Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1 | /* |
| 2 | $Id: command.c,v 1.47 2005/04/25 16:26:42 paul Exp $ |
| 3 | |
| 4 | Command interpreter routine for virtual terminal [aka TeletYpe] |
| 5 | Copyright (C) 1997, 98, 99 Kunihiro Ishiguro |
Harald Welte | e08da97 | 2017-11-13 01:00:26 +0900 | [diff] [blame] | 6 | Copyright (C) 2010-2011 Holger Hans Peter Freyther <zecke@selfish.org> |
| 7 | Copyright (C) 2012 Sylvain Munaut <tnt@246tNt.com> |
| 8 | Copyright (C) 2013,2015 Harald Welte <laforge@gnumonks.org> |
| 9 | Copyright (C) 2013,2017 sysmocom - s.f.m.c. GmbH |
| 10 | |
| 11 | SPDX-License-Identifier: GPL-2.0+ |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 12 | |
| 13 | This file is part of GNU Zebra. |
| 14 | |
| 15 | GNU Zebra is free software; you can redistribute it and/or modify |
| 16 | it under the terms of the GNU General Public License as published |
| 17 | by the Free Software Foundation; either version 2, or (at your |
| 18 | option) any later version. |
| 19 | |
| 20 | GNU Zebra is distributed in the hope that it will be useful, but |
| 21 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 23 | General Public License for more details. |
| 24 | |
| 25 | You should have received a copy of the GNU General Public License |
| 26 | along with GNU Zebra; see the file COPYING. If not, write to the |
Jaroslav Škarvada | 2b82c1c | 2015-11-11 16:02:54 +0100 | [diff] [blame] | 27 | Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 28 | Boston, MA 02110-1301, USA. */ |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 29 | |
| 30 | #include <stdio.h> |
| 31 | #include <stdlib.h> |
| 32 | #include <string.h> |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 33 | #include <stdbool.h> |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 34 | #include <syslog.h> |
| 35 | #include <errno.h> |
| 36 | #define _XOPEN_SOURCE |
| 37 | #include <unistd.h> |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 38 | #include <ctype.h> |
| 39 | #include <time.h> |
Pau Espin Pedrol | 9fdc871 | 2020-07-30 14:56:38 +0200 | [diff] [blame] | 40 | #include <limits.h> |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 41 | #include <sys/time.h> |
| 42 | #include <sys/stat.h> |
| 43 | |
| 44 | #include <osmocom/vty/vector.h> |
| 45 | #include <osmocom/vty/vty.h> |
| 46 | #include <osmocom/vty/command.h> |
| 47 | |
Pablo Neira Ayuso | 8341934 | 2011-03-22 16:36:13 +0100 | [diff] [blame] | 48 | #include <osmocom/core/talloc.h> |
Harald Welte | a99d45a | 2015-11-12 13:48:23 +0100 | [diff] [blame] | 49 | #include <osmocom/core/utils.h> |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 50 | |
Ruben Undheim | 766f77c | 2018-11-18 13:02:47 +0100 | [diff] [blame] | 51 | #ifndef MAXPATHLEN |
| 52 | #define MAXPATHLEN 4096 |
| 53 | #endif |
| 54 | |
| 55 | |
Harald Welte | e881b1b | 2011-08-17 18:52:30 +0200 | [diff] [blame] | 56 | /*! \addtogroup command |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 57 | * @{ |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 58 | * VTY command handling |
Neels Hofmeyr | 17518fe | 2017-06-20 04:35:06 +0200 | [diff] [blame] | 59 | * |
| 60 | * \file command.c */ |
Harald Welte | 7acb30c | 2011-08-17 17:13:48 +0200 | [diff] [blame] | 61 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 62 | #define CONFIGFILE_MASK 022 |
| 63 | |
| 64 | void *tall_vty_cmd_ctx; |
| 65 | |
| 66 | /* Command vector which includes some level of command lists. Normally |
| 67 | each daemon maintains each own cmdvec. */ |
| 68 | vector cmdvec; |
| 69 | |
| 70 | /* Host information structure. */ |
| 71 | struct host host; |
| 72 | |
| 73 | /* Standard command node structures. */ |
| 74 | struct cmd_node auth_node = { |
| 75 | AUTH_NODE, |
| 76 | "Password: ", |
Neels Hofmeyr | 3b68157 | 2017-12-09 03:54:32 +0100 | [diff] [blame] | 77 | .name = "auth", |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 78 | }; |
| 79 | |
| 80 | struct cmd_node view_node = { |
| 81 | VIEW_NODE, |
| 82 | "%s> ", |
Neels Hofmeyr | 3b68157 | 2017-12-09 03:54:32 +0100 | [diff] [blame] | 83 | .name = "view", |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 84 | }; |
| 85 | |
| 86 | struct cmd_node auth_enable_node = { |
| 87 | AUTH_ENABLE_NODE, |
| 88 | "Password: ", |
Neels Hofmeyr | 3b68157 | 2017-12-09 03:54:32 +0100 | [diff] [blame] | 89 | .name = "auth-enable", |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 90 | }; |
| 91 | |
| 92 | struct cmd_node enable_node = { |
| 93 | ENABLE_NODE, |
| 94 | "%s# ", |
Neels Hofmeyr | 3b68157 | 2017-12-09 03:54:32 +0100 | [diff] [blame] | 95 | .name = "enable", |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 96 | }; |
| 97 | |
| 98 | struct cmd_node config_node = { |
| 99 | CONFIG_NODE, |
| 100 | "%s(config)# ", |
| 101 | 1 |
| 102 | }; |
| 103 | |
| 104 | /* Default motd string. */ |
| 105 | const char *default_motd = ""; |
| 106 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 107 | /*! print the version (and optionally copyright) information |
Harald Welte | 7acb30c | 2011-08-17 17:13:48 +0200 | [diff] [blame] | 108 | * |
| 109 | * This is called from main when a daemon is invoked with -v or --version. */ |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 110 | void print_version(int print_copyright) |
| 111 | { |
Harald Welte | 237f624 | 2010-05-25 23:00:45 +0200 | [diff] [blame] | 112 | printf("%s version %s\n", host.app_info->name, host.app_info->version); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 113 | if (print_copyright) |
Harald Welte | 237f624 | 2010-05-25 23:00:45 +0200 | [diff] [blame] | 114 | printf("\n%s\n", host.app_info->copyright); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | /* Utility function to concatenate argv argument into a single string |
| 118 | with inserting ' ' character between each argument. */ |
| 119 | char *argv_concat(const char **argv, int argc, int shift) |
| 120 | { |
| 121 | int i; |
| 122 | size_t len; |
| 123 | char *str; |
| 124 | char *p; |
| 125 | |
| 126 | len = 0; |
| 127 | for (i = shift; i < argc; i++) |
| 128 | len += strlen(argv[i]) + 1; |
| 129 | if (!len) |
| 130 | return NULL; |
| 131 | p = str = _talloc_zero(tall_vty_cmd_ctx, len, "arvg_concat"); |
| 132 | for (i = shift; i < argc; i++) { |
| 133 | size_t arglen; |
| 134 | memcpy(p, argv[i], (arglen = strlen(argv[i]))); |
| 135 | p += arglen; |
| 136 | *p++ = ' '; |
| 137 | } |
| 138 | *(p - 1) = '\0'; |
| 139 | return str; |
| 140 | } |
| 141 | |
Neels Hofmeyr | 657c5b6 | 2017-09-18 16:42:06 +0200 | [diff] [blame] | 142 | /* Strip all characters from a string (prompt) except for alnum, '-' and '_'. |
| 143 | * For example used to derive a node->name from node->prompt if the user didn't provide a name; |
| 144 | * in turn, this name us used for XML IDs in 'show online-help'. */ |
| 145 | static const char *node_name_from_prompt(const char *prompt, char *name_buf, size_t name_buf_size) |
| 146 | { |
| 147 | const char *pos; |
| 148 | int dest = 0; |
| 149 | |
| 150 | if (!prompt || !*prompt) |
| 151 | return ""; |
| 152 | |
| 153 | for (pos = prompt; *pos && dest < (name_buf_size-1); pos++) { |
| 154 | if (pos[0] == '%' && pos[1]) { |
| 155 | /* skip "%s"; loop pos++ does the second one. */ |
| 156 | pos++; |
| 157 | continue; |
| 158 | } |
| 159 | if (!(isalnum(pos[0]) || pos[0] == '-' || pos[0] == '_')) |
| 160 | continue; |
| 161 | name_buf[dest] = pos[0]; |
| 162 | dest++; |
| 163 | } |
| 164 | name_buf[dest] = '\0'; |
| 165 | return name_buf; |
| 166 | } |
| 167 | |
Neels Hofmeyr | f4f23bd | 2017-09-20 15:39:37 +0200 | [diff] [blame] | 168 | static void install_basic_node_commands(int node); |
| 169 | |
| 170 | /*! Install top node of command vector, without adding basic node commands. */ |
| 171 | static void install_node_bare(struct cmd_node *node, int (*func) (struct vty *)) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 172 | { |
| 173 | vector_set_index(cmdvec, node->node, node); |
| 174 | node->func = func; |
| 175 | node->cmd_vector = vector_init(VECTOR_MIN_SIZE); |
Neels Hofmeyr | 657c5b6 | 2017-09-18 16:42:06 +0200 | [diff] [blame] | 176 | if (!*node->name) |
| 177 | node_name_from_prompt(node->prompt, node->name, sizeof(node->name)); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 178 | } |
| 179 | |
Neels Hofmeyr | f4f23bd | 2017-09-20 15:39:37 +0200 | [diff] [blame] | 180 | /*! Install top node of command vector. */ |
| 181 | void install_node(struct cmd_node *node, int (*func) (struct vty *)) |
| 182 | { |
| 183 | install_node_bare(node, func); |
| 184 | install_basic_node_commands(node->node); |
| 185 | } |
| 186 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 187 | /* Compare two command's string. Used in sort_node (). */ |
| 188 | static int cmp_node(const void *p, const void *q) |
| 189 | { |
| 190 | struct cmd_element *a = *(struct cmd_element **)p; |
| 191 | struct cmd_element *b = *(struct cmd_element **)q; |
| 192 | |
| 193 | return strcmp(a->string, b->string); |
| 194 | } |
| 195 | |
| 196 | static int cmp_desc(const void *p, const void *q) |
| 197 | { |
| 198 | struct desc *a = *(struct desc **)p; |
| 199 | struct desc *b = *(struct desc **)q; |
| 200 | |
| 201 | return strcmp(a->cmd, b->cmd); |
| 202 | } |
| 203 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 204 | /*! Sort each node's command element according to command string. */ |
Harald Welte | 95b2b47 | 2011-07-16 11:58:09 +0200 | [diff] [blame] | 205 | void sort_node(void) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 206 | { |
| 207 | unsigned int i, j; |
| 208 | struct cmd_node *cnode; |
| 209 | vector descvec; |
| 210 | struct cmd_element *cmd_element; |
| 211 | |
| 212 | for (i = 0; i < vector_active(cmdvec); i++) |
| 213 | if ((cnode = vector_slot(cmdvec, i)) != NULL) { |
| 214 | vector cmd_vector = cnode->cmd_vector; |
| 215 | qsort(cmd_vector->index, vector_active(cmd_vector), |
| 216 | sizeof(void *), cmp_node); |
| 217 | |
| 218 | for (j = 0; j < vector_active(cmd_vector); j++) |
| 219 | if ((cmd_element = |
| 220 | vector_slot(cmd_vector, j)) != NULL |
| 221 | && vector_active(cmd_element->strvec)) { |
| 222 | descvec = |
| 223 | vector_slot(cmd_element->strvec, |
| 224 | vector_active |
| 225 | (cmd_element->strvec) - |
| 226 | 1); |
| 227 | qsort(descvec->index, |
| 228 | vector_active(descvec), |
| 229 | sizeof(void *), cmp_desc); |
| 230 | } |
| 231 | } |
| 232 | } |
| 233 | |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 234 | /*! Break up string in command tokens. Return leading indents. |
| 235 | * \param[in] string String to split. |
| 236 | * \param[out] indent If not NULL, return a talloc_strdup of indent characters. |
| 237 | * \param[out] strvec_p Returns vector of split tokens, must not be NULL. |
| 238 | * \returns CMD_SUCCESS or CMD_ERR_INVALID_INDENT |
| 239 | * |
| 240 | * If \a indent is passed non-NULL, only simple space ' ' indents are allowed, |
| 241 | * so that \a indent can simply return the count of leading spaces. |
| 242 | * Otherwise any isspace() characters are allowed for indenting (backwards compat). |
| 243 | */ |
| 244 | int cmd_make_strvec2(const char *string, char **indent, vector *strvec_p) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 245 | { |
| 246 | const char *cp, *start; |
| 247 | char *token; |
| 248 | int strlen; |
| 249 | vector strvec; |
| 250 | |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 251 | *strvec_p = NULL; |
| 252 | if (indent) |
| 253 | *indent = 0; |
| 254 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 255 | if (string == NULL) |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 256 | return CMD_SUCCESS; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 257 | |
| 258 | cp = string; |
| 259 | |
| 260 | /* Skip white spaces. */ |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 261 | while (isspace((int)*cp) && *cp != '\0') { |
| 262 | /* if we're counting indents, we need to be strict about them */ |
| 263 | if (indent && (*cp != ' ') && (*cp != '\t')) { |
| 264 | /* Ignore blank lines, they appear as leading whitespace with line breaks. */ |
| 265 | if (*cp == '\n' || *cp == '\r') { |
| 266 | cp++; |
| 267 | string = cp; |
| 268 | continue; |
| 269 | } |
| 270 | return CMD_ERR_INVALID_INDENT; |
| 271 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 272 | cp++; |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | if (indent) |
| 276 | *indent = talloc_strndup(tall_vty_cmd_ctx, string, cp - string); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 277 | |
| 278 | /* Return if there is only white spaces */ |
| 279 | if (*cp == '\0') |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 280 | return CMD_SUCCESS; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 281 | |
| 282 | if (*cp == '!' || *cp == '#') |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 283 | return CMD_SUCCESS; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 284 | |
| 285 | /* Prepare return vector. */ |
| 286 | strvec = vector_init(VECTOR_MIN_SIZE); |
| 287 | |
| 288 | /* Copy each command piece and set into vector. */ |
| 289 | while (1) { |
| 290 | start = cp; |
| 291 | while (!(isspace((int)*cp) || *cp == '\r' || *cp == '\n') && |
| 292 | *cp != '\0') |
| 293 | cp++; |
| 294 | strlen = cp - start; |
| 295 | token = _talloc_zero(tall_vty_cmd_ctx, strlen + 1, "make_strvec"); |
| 296 | memcpy(token, start, strlen); |
| 297 | *(token + strlen) = '\0'; |
| 298 | vector_set(strvec, token); |
| 299 | |
| 300 | while ((isspace((int)*cp) || *cp == '\n' || *cp == '\r') && |
| 301 | *cp != '\0') |
| 302 | cp++; |
| 303 | |
| 304 | if (*cp == '\0') |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 305 | break; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 306 | } |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 307 | |
| 308 | *strvec_p = strvec; |
| 309 | return CMD_SUCCESS; |
| 310 | } |
| 311 | |
| 312 | /*! Breaking up string into each command piece. I assume given |
| 313 | character is separated by a space character. Return value is a |
| 314 | vector which includes char ** data element. */ |
| 315 | vector cmd_make_strvec(const char *string) |
| 316 | { |
| 317 | vector strvec; |
| 318 | cmd_make_strvec2(string, NULL, &strvec); |
| 319 | return strvec; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 320 | } |
| 321 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 322 | /*! Free allocated string vector. */ |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 323 | void cmd_free_strvec(vector v) |
| 324 | { |
| 325 | unsigned int i; |
| 326 | char *cp; |
| 327 | |
| 328 | if (!v) |
| 329 | return; |
| 330 | |
| 331 | for (i = 0; i < vector_active(v); i++) |
| 332 | if ((cp = vector_slot(v, i)) != NULL) |
| 333 | talloc_free(cp); |
| 334 | |
| 335 | vector_free(v); |
| 336 | } |
| 337 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 338 | /*! Fetch next description. Used in \ref cmd_make_descvec(). */ |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 339 | static char *cmd_desc_str(const char **string) |
| 340 | { |
| 341 | const char *cp, *start; |
| 342 | char *token; |
| 343 | int strlen; |
| 344 | |
| 345 | cp = *string; |
| 346 | |
| 347 | if (cp == NULL) |
| 348 | return NULL; |
| 349 | |
| 350 | /* Skip white spaces. */ |
| 351 | while (isspace((int)*cp) && *cp != '\0') |
| 352 | cp++; |
| 353 | |
| 354 | /* Return if there is only white spaces */ |
| 355 | if (*cp == '\0') |
| 356 | return NULL; |
| 357 | |
| 358 | start = cp; |
| 359 | |
| 360 | while (!(*cp == '\r' || *cp == '\n') && *cp != '\0') |
| 361 | cp++; |
| 362 | |
| 363 | strlen = cp - start; |
| 364 | token = _talloc_zero(tall_vty_cmd_ctx, strlen + 1, "cmd_desc_str"); |
| 365 | memcpy(token, start, strlen); |
| 366 | *(token + strlen) = '\0'; |
| 367 | |
| 368 | *string = cp; |
| 369 | |
| 370 | return token; |
| 371 | } |
| 372 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 373 | /*! New string vector. */ |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 374 | static vector cmd_make_descvec(const char *string, const char *descstr) |
| 375 | { |
| 376 | int multiple = 0; |
Neels Hofmeyr | b55f4d2 | 2019-01-31 08:13:31 +0100 | [diff] [blame] | 377 | int optional_brace = 0; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 378 | const char *sp; |
| 379 | char *token; |
| 380 | int len; |
| 381 | const char *cp; |
| 382 | const char *dp; |
| 383 | vector allvec; |
| 384 | vector strvec = NULL; |
| 385 | struct desc *desc; |
| 386 | |
| 387 | cp = string; |
| 388 | dp = descstr; |
| 389 | |
| 390 | if (cp == NULL) |
| 391 | return NULL; |
| 392 | |
| 393 | allvec = vector_init(VECTOR_MIN_SIZE); |
| 394 | |
| 395 | while (1) { |
| 396 | while (isspace((int)*cp) && *cp != '\0') |
| 397 | cp++; |
| 398 | |
Neels Hofmeyr | b55f4d2 | 2019-01-31 08:13:31 +0100 | [diff] [blame] | 399 | /* Explicitly detect optional multi-choice braces like [(one|two)]. */ |
| 400 | if (cp[0] == '[' && cp[1] == '(') { |
| 401 | optional_brace = 1; |
| 402 | cp++; |
| 403 | } |
| 404 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 405 | if (*cp == '(') { |
| 406 | multiple = 1; |
| 407 | cp++; |
| 408 | } |
| 409 | if (*cp == ')') { |
| 410 | multiple = 0; |
| 411 | cp++; |
Neels Hofmeyr | b55f4d2 | 2019-01-31 08:13:31 +0100 | [diff] [blame] | 412 | if (*cp == ']') |
| 413 | cp++; |
| 414 | optional_brace = 0; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 415 | } |
| 416 | if (*cp == '|') { |
Harald Welte | a99d45a | 2015-11-12 13:48:23 +0100 | [diff] [blame] | 417 | OSMO_ASSERT(multiple); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 418 | cp++; |
| 419 | } |
| 420 | |
| 421 | while (isspace((int)*cp) && *cp != '\0') |
| 422 | cp++; |
| 423 | |
| 424 | if (*cp == '(') { |
| 425 | multiple = 1; |
| 426 | cp++; |
| 427 | } |
| 428 | |
| 429 | if (*cp == '\0') |
| 430 | return allvec; |
| 431 | |
| 432 | sp = cp; |
| 433 | |
| 434 | while (! |
| 435 | (isspace((int)*cp) || *cp == '\r' || *cp == '\n' |
| 436 | || *cp == ')' || *cp == '|') && *cp != '\0') |
| 437 | cp++; |
| 438 | |
| 439 | len = cp - sp; |
| 440 | |
Neels Hofmeyr | b55f4d2 | 2019-01-31 08:13:31 +0100 | [diff] [blame] | 441 | token = _talloc_zero(tall_vty_cmd_ctx, len + (optional_brace? 2 : 0) + 1, "cmd_make_descvec"); |
| 442 | if (optional_brace) { |
| 443 | /* Place each individual multi-choice token in its own square braces */ |
| 444 | token[0] = '['; |
| 445 | memcpy(token + 1, sp, len); |
| 446 | token[1 + len] = ']'; |
| 447 | token[2 + len] = '\0'; |
| 448 | } else { |
| 449 | memcpy(token, sp, len); |
| 450 | *(token + len) = '\0'; |
| 451 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 452 | |
| 453 | desc = talloc_zero(tall_vty_cmd_ctx, struct desc); |
| 454 | desc->cmd = token; |
| 455 | desc->str = cmd_desc_str(&dp); |
| 456 | |
| 457 | if (multiple) { |
| 458 | if (multiple == 1) { |
| 459 | strvec = vector_init(VECTOR_MIN_SIZE); |
| 460 | vector_set(allvec, strvec); |
| 461 | } |
| 462 | multiple++; |
| 463 | } else { |
| 464 | strvec = vector_init(VECTOR_MIN_SIZE); |
| 465 | vector_set(allvec, strvec); |
| 466 | } |
| 467 | vector_set(strvec, desc); |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | /* Count mandantory string vector size. This is to determine inputed |
| 472 | command has enough command length. */ |
| 473 | static int cmd_cmdsize(vector strvec) |
| 474 | { |
| 475 | unsigned int i; |
| 476 | int size = 0; |
| 477 | vector descvec; |
| 478 | struct desc *desc; |
| 479 | |
| 480 | for (i = 0; i < vector_active(strvec); i++) |
| 481 | if ((descvec = vector_slot(strvec, i)) != NULL) { |
Neels Hofmeyr | c197809 | 2019-01-31 08:14:26 +0100 | [diff] [blame] | 482 | if ((vector_active(descvec)) >= 1 |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 483 | && (desc = vector_slot(descvec, 0)) != NULL) { |
| 484 | if (desc->cmd == NULL || CMD_OPTION(desc->cmd)) |
| 485 | return size; |
| 486 | else |
| 487 | size++; |
| 488 | } else |
| 489 | size++; |
| 490 | } |
| 491 | return size; |
| 492 | } |
| 493 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 494 | /*! Return prompt character of specified node. */ |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 495 | const char *cmd_prompt(enum node_type node) |
| 496 | { |
| 497 | struct cmd_node *cnode; |
| 498 | |
| 499 | cnode = vector_slot(cmdvec, node); |
| 500 | return cnode->prompt; |
| 501 | } |
| 502 | |
Alexander Couzens | ad580ba | 2016-05-16 16:01:45 +0200 | [diff] [blame] | 503 | /*! |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 504 | * escape all special asciidoc symbols |
Alexander Couzens | ad580ba | 2016-05-16 16:01:45 +0200 | [diff] [blame] | 505 | * \param unsafe string |
| 506 | * \return a new talloc char * |
| 507 | */ |
| 508 | char *osmo_asciidoc_escape(const char *inp) |
| 509 | { |
| 510 | int _strlen; |
| 511 | char *out, *out_ptr; |
Pau Espin Pedrol | e1e1ec3 | 2019-06-19 14:55:45 +0200 | [diff] [blame] | 512 | int len = 0, i; |
Alexander Couzens | ad580ba | 2016-05-16 16:01:45 +0200 | [diff] [blame] | 513 | |
| 514 | if (!inp) |
| 515 | return NULL; |
| 516 | _strlen = strlen(inp); |
| 517 | |
| 518 | for (i = 0; i < _strlen; ++i) { |
| 519 | switch (inp[i]) { |
| 520 | case '|': |
| 521 | len += 2; |
| 522 | break; |
| 523 | default: |
| 524 | len += 1; |
| 525 | break; |
| 526 | } |
| 527 | } |
| 528 | |
Neels Hofmeyr | f2d323e | 2018-07-09 19:18:35 +0200 | [diff] [blame] | 529 | out = talloc_size(tall_vty_cmd_ctx, len + 1); |
Alexander Couzens | ad580ba | 2016-05-16 16:01:45 +0200 | [diff] [blame] | 530 | if (!out) |
| 531 | return NULL; |
| 532 | |
| 533 | out_ptr = out; |
| 534 | |
Alexander Couzens | ad580ba | 2016-05-16 16:01:45 +0200 | [diff] [blame] | 535 | for (i = 0; i < _strlen; ++i) { |
| 536 | switch (inp[i]) { |
| 537 | case '|': |
Pau Espin Pedrol | e1e1ec3 | 2019-06-19 14:55:45 +0200 | [diff] [blame] | 538 | /* Prepend escape character "\": */ |
| 539 | *(out_ptr++) = '\\'; |
| 540 | /* fall through */ |
Alexander Couzens | ad580ba | 2016-05-16 16:01:45 +0200 | [diff] [blame] | 541 | default: |
| 542 | *(out_ptr++) = inp[i]; |
| 543 | break; |
| 544 | } |
| 545 | } |
| 546 | |
Alexander Couzens | ad580ba | 2016-05-16 16:01:45 +0200 | [diff] [blame] | 547 | out_ptr[0] = '\0'; |
| 548 | return out; |
| 549 | } |
| 550 | |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 551 | static char *xml_escape(const char *inp) |
| 552 | { |
| 553 | int _strlen; |
| 554 | char *out, *out_ptr; |
| 555 | int len = 0, i, j; |
| 556 | |
| 557 | if (!inp) |
| 558 | return NULL; |
| 559 | _strlen = strlen(inp); |
| 560 | |
| 561 | for (i = 0; i < _strlen; ++i) { |
| 562 | switch (inp[i]) { |
| 563 | case '"': |
| 564 | len += 6; |
| 565 | break; |
| 566 | case '\'': |
| 567 | len += 6; |
| 568 | break; |
| 569 | case '<': |
| 570 | len += 4; |
| 571 | break; |
| 572 | case '>': |
| 573 | len += 4; |
| 574 | break; |
| 575 | case '&': |
| 576 | len += 5; |
| 577 | break; |
| 578 | default: |
| 579 | len += 1; |
| 580 | break; |
| 581 | } |
| 582 | } |
| 583 | |
Neels Hofmeyr | f2d323e | 2018-07-09 19:18:35 +0200 | [diff] [blame] | 584 | out = talloc_size(tall_vty_cmd_ctx, len + 1); |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 585 | if (!out) |
| 586 | return NULL; |
| 587 | |
| 588 | out_ptr = out; |
| 589 | |
| 590 | #define ADD(out, str) \ |
| 591 | for (j = 0; j < strlen(str); ++j) \ |
| 592 | *(out++) = str[j]; |
| 593 | |
| 594 | for (i = 0; i < _strlen; ++i) { |
| 595 | switch (inp[i]) { |
| 596 | case '"': |
| 597 | ADD(out_ptr, """); |
| 598 | break; |
| 599 | case '\'': |
| 600 | ADD(out_ptr, "'"); |
| 601 | break; |
| 602 | case '<': |
| 603 | ADD(out_ptr, "<"); |
| 604 | break; |
| 605 | case '>': |
| 606 | ADD(out_ptr, ">"); |
| 607 | break; |
| 608 | case '&': |
| 609 | ADD(out_ptr, "&"); |
| 610 | break; |
| 611 | default: |
| 612 | *(out_ptr++) = inp[i]; |
| 613 | break; |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | #undef ADD |
| 618 | |
| 619 | out_ptr[0] = '\0'; |
| 620 | return out; |
| 621 | } |
| 622 | |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 623 | typedef int (*print_func_t)(void *data, const char *fmt, ...); |
| 624 | |
Vadim Yanitskiy | 7f6c87d | 2020-09-28 13:03:49 +0700 | [diff] [blame] | 625 | static const struct value_string cmd_attr_desc[] = { |
| 626 | { CMD_ATTR_DEPRECATED, "This command is deprecated" }, |
| 627 | { CMD_ATTR_HIDDEN, "This command is hidden" }, |
| 628 | { CMD_ATTR_IMMEDIATE, "This command applies immediately" }, |
Vadim Yanitskiy | ceb3b39 | 2020-10-06 00:20:24 +0700 | [diff] [blame] | 629 | { CMD_ATTR_NODE_EXIT, "This command applies on VTY node exit" }, |
Vadim Yanitskiy | 99d5c2d | 2020-10-06 00:22:06 +0700 | [diff] [blame] | 630 | /* CMD_ATTR_LIB_COMMAND is intentionally skipped */ |
Vadim Yanitskiy | 7f6c87d | 2020-09-28 13:03:49 +0700 | [diff] [blame] | 631 | { 0, NULL } |
| 632 | }; |
| 633 | |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 634 | /* |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 635 | * Write one cmd_element as XML via a print_func_t. |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 636 | */ |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 637 | static int vty_dump_element(struct cmd_element *cmd, print_func_t print_func, void *data, const char *newline) |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 638 | { |
| 639 | char *xml_string = xml_escape(cmd->string); |
Vadim Yanitskiy | 34e94f3 | 2020-08-15 23:27:55 +0700 | [diff] [blame] | 640 | unsigned int i; |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 641 | |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 642 | print_func(data, " <command id='%s'>%s", xml_string, newline); |
Vadim Yanitskiy | 34e94f3 | 2020-08-15 23:27:55 +0700 | [diff] [blame] | 643 | |
Vadim Yanitskiy | 7f6c87d | 2020-09-28 13:03:49 +0700 | [diff] [blame] | 644 | /* Print global attributes and their description */ |
| 645 | if (cmd->attr != 0x00) { /* ... if at least one flag is set */ |
| 646 | print_func(data, " <attributes scope='global'>%s", newline); |
| 647 | |
| 648 | for (i = 0; i < ARRAY_SIZE(cmd_attr_desc) - 1; i++) { |
| 649 | char *xml_att_desc; |
| 650 | |
| 651 | if (~cmd->attr & cmd_attr_desc[i].value) |
| 652 | continue; |
| 653 | |
| 654 | xml_att_desc = xml_escape(cmd_attr_desc[i].str); |
| 655 | print_func(data, " <attribute doc='%s' />%s", |
| 656 | xml_att_desc, newline); |
| 657 | talloc_free(xml_att_desc); |
| 658 | } |
| 659 | |
| 660 | print_func(data, " </attributes>%s", newline); |
| 661 | } |
| 662 | |
Vadim Yanitskiy | 34e94f3 | 2020-08-15 23:27:55 +0700 | [diff] [blame] | 663 | /* Print application specific attributes and their description */ |
| 664 | if (cmd->usrattr != 0x00) { /* ... if at least one flag is set */ |
| 665 | print_func(data, " <attributes scope='application'>%s", newline); |
| 666 | |
| 667 | for (i = 0; i < ARRAY_SIZE(host.app_info->usr_attr_desc); i++) { |
| 668 | char *xml_att_desc; |
| 669 | char flag; |
| 670 | |
| 671 | /* Skip attribute if *not* set */ |
| 672 | if (~cmd->usrattr & (1 << i)) |
| 673 | continue; |
| 674 | |
| 675 | xml_att_desc = xml_escape(host.app_info->usr_attr_desc[i]); |
| 676 | print_func(data, " <attribute doc='%s'", xml_att_desc); |
| 677 | talloc_free(xml_att_desc); |
| 678 | |
| 679 | if ((flag = host.app_info->usr_attr_letters[i]) != '\0') |
| 680 | print_func(data, " flag='%c'", flag); |
| 681 | print_func(data, " />%s", newline); |
| 682 | } |
| 683 | |
| 684 | print_func(data, " </attributes>%s", newline); |
| 685 | } |
| 686 | |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 687 | print_func(data, " <params>%s", newline); |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 688 | |
Vadim Yanitskiy | 478dd1b | 2020-08-18 18:40:16 +0700 | [diff] [blame] | 689 | for (i = 0; i < vector_count(cmd->strvec); ++i) { |
| 690 | vector descvec = vector_slot(cmd->strvec, i); |
| 691 | int j; |
| 692 | for (j = 0; j < vector_active(descvec); ++j) { |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 693 | char *xml_param, *xml_doc; |
Vadim Yanitskiy | 478dd1b | 2020-08-18 18:40:16 +0700 | [diff] [blame] | 694 | struct desc *desc = vector_slot(descvec, j); |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 695 | if (desc == NULL) |
| 696 | continue; |
| 697 | |
| 698 | xml_param = xml_escape(desc->cmd); |
| 699 | xml_doc = xml_escape(desc->str); |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 700 | print_func(data, " <param name='%s' doc='%s' />%s", |
| 701 | xml_param, xml_doc, newline); |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 702 | talloc_free(xml_param); |
| 703 | talloc_free(xml_doc); |
| 704 | } |
| 705 | } |
| 706 | |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 707 | print_func(data, " </params>%s", newline); |
| 708 | print_func(data, " </command>%s", newline); |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 709 | |
| 710 | talloc_free(xml_string); |
| 711 | return 0; |
| 712 | } |
| 713 | |
Neels Hofmeyr | 69054e2 | 2017-10-19 02:44:57 +0200 | [diff] [blame] | 714 | static bool vty_command_is_common(struct cmd_element *cmd); |
| 715 | |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 716 | /* |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 717 | * Dump all nodes and commands associated with a given node as XML via a print_func_t. |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 718 | */ |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 719 | static int vty_dump_nodes(print_func_t print_func, void *data, const char *newline) |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 720 | { |
| 721 | int i, j; |
Neels Hofmeyr | 657c5b6 | 2017-09-18 16:42:06 +0200 | [diff] [blame] | 722 | int same_name_count; |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 723 | |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 724 | print_func(data, "<vtydoc xmlns='urn:osmocom:xml:libosmocore:vty:doc:1.0'>%s", newline); |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 725 | |
Neels Hofmeyr | 69054e2 | 2017-10-19 02:44:57 +0200 | [diff] [blame] | 726 | /* Only once, list all common node commands. Use the CONFIG node to find common node commands. */ |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 727 | print_func(data, " <node id='_common_cmds_'>%s", newline); |
| 728 | print_func(data, " <name>Common Commands</name>%s", newline); |
| 729 | print_func(data, " <description>These commands are available on all VTY nodes. They are listed" |
| 730 | " here only once, to unclutter the VTY reference.</description>%s", newline); |
Neels Hofmeyr | 69054e2 | 2017-10-19 02:44:57 +0200 | [diff] [blame] | 731 | for (i = 0; i < vector_active(cmdvec); ++i) { |
| 732 | struct cmd_node *cnode; |
| 733 | cnode = vector_slot(cmdvec, i); |
| 734 | if (!cnode) |
| 735 | continue; |
| 736 | if (cnode->node != CONFIG_NODE) |
| 737 | continue; |
| 738 | |
| 739 | for (j = 0; j < vector_active(cnode->cmd_vector); ++j) { |
| 740 | struct cmd_element *elem; |
| 741 | elem = vector_slot(cnode->cmd_vector, j); |
| 742 | if (!vty_command_is_common(elem)) |
| 743 | continue; |
Neels Hofmeyr | 5398911 | 2018-09-24 18:39:00 +0200 | [diff] [blame] | 744 | if (!(elem->attr & (CMD_ATTR_DEPRECATED | CMD_ATTR_HIDDEN))) |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 745 | vty_dump_element(elem, print_func, data, newline); |
Neels Hofmeyr | 69054e2 | 2017-10-19 02:44:57 +0200 | [diff] [blame] | 746 | } |
| 747 | } |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 748 | print_func(data, " </node>%s", newline); |
Neels Hofmeyr | 69054e2 | 2017-10-19 02:44:57 +0200 | [diff] [blame] | 749 | |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 750 | for (i = 0; i < vector_active(cmdvec); ++i) { |
| 751 | struct cmd_node *cnode; |
| 752 | cnode = vector_slot(cmdvec, i); |
| 753 | if (!cnode) |
| 754 | continue; |
Neels Hofmeyr | f716277 | 2017-10-22 02:31:33 +0200 | [diff] [blame] | 755 | if (vector_active(cnode->cmd_vector) < 1) |
| 756 | continue; |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 757 | |
Neels Hofmeyr | 657c5b6 | 2017-09-18 16:42:06 +0200 | [diff] [blame] | 758 | /* De-dup node IDs: how many times has this same name been used before? Count the first |
| 759 | * occurence as _1 and omit that first suffix, so that the first occurence is called |
| 760 | * 'name', the second becomes 'name_2', then 'name_3', ... */ |
| 761 | same_name_count = 1; |
| 762 | for (j = 0; j < i; ++j) { |
| 763 | struct cmd_node *cnode2; |
| 764 | cnode2 = vector_slot(cmdvec, j); |
| 765 | if (!cnode2) |
| 766 | continue; |
| 767 | if (strcmp(cnode->name, cnode2->name) == 0) |
| 768 | same_name_count ++; |
| 769 | } |
| 770 | |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 771 | print_func(data, " <node id='%s", cnode->name); |
Neels Hofmeyr | 657c5b6 | 2017-09-18 16:42:06 +0200 | [diff] [blame] | 772 | if (same_name_count > 1 || !*cnode->name) |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 773 | print_func(data, "_%d", same_name_count); |
| 774 | print_func(data, "'>%s", newline); |
| 775 | print_func(data, " <name>%s</name>%s", cnode->name, newline); |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 776 | |
| 777 | for (j = 0; j < vector_active(cnode->cmd_vector); ++j) { |
| 778 | struct cmd_element *elem; |
| 779 | elem = vector_slot(cnode->cmd_vector, j); |
Neels Hofmeyr | 69054e2 | 2017-10-19 02:44:57 +0200 | [diff] [blame] | 780 | if (vty_command_is_common(elem)) |
| 781 | continue; |
Neels Hofmeyr | 5398911 | 2018-09-24 18:39:00 +0200 | [diff] [blame] | 782 | if (!(elem->attr & (CMD_ATTR_DEPRECATED | CMD_ATTR_HIDDEN))) |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 783 | vty_dump_element(elem, print_func, data, newline); |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 784 | } |
| 785 | |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 786 | print_func(data, " </node>%s", newline); |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 787 | } |
| 788 | |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 789 | print_func(data, "</vtydoc>%s", newline); |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 790 | |
| 791 | return 0; |
| 792 | } |
| 793 | |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 794 | static int print_func_vty(void *data, const char *format, ...) |
| 795 | { |
| 796 | struct vty *vty = data; |
| 797 | va_list args; |
| 798 | int rc; |
| 799 | va_start(args, format); |
| 800 | rc = vty_out_va(vty, format, args); |
| 801 | va_end(args); |
| 802 | return rc; |
| 803 | } |
| 804 | |
| 805 | static int vty_dump_xml_ref_to_vty(struct vty *vty) |
| 806 | { |
| 807 | return vty_dump_nodes(print_func_vty, vty, VTY_NEWLINE); |
| 808 | } |
| 809 | |
| 810 | static int print_func_stream(void *data, const char *format, ...) |
| 811 | { |
| 812 | va_list args; |
| 813 | int rc; |
| 814 | va_start(args, format); |
| 815 | rc = vfprintf((FILE*)data, format, args); |
| 816 | va_end(args); |
| 817 | return rc; |
| 818 | } |
| 819 | |
| 820 | /*! Print the XML reference of all VTY nodes to the given stream. |
| 821 | */ |
| 822 | int vty_dump_xml_ref(FILE *stream) |
| 823 | { |
| 824 | return vty_dump_nodes(print_func_stream, stream, "\n"); |
| 825 | } |
| 826 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 827 | /* Check if a command with given string exists at given node */ |
Harald Welte | addeaa3 | 2017-01-07 12:52:00 +0100 | [diff] [blame] | 828 | static int check_element_exists(struct cmd_node *cnode, const char *cmdstring) |
| 829 | { |
| 830 | int i; |
| 831 | |
| 832 | for (i = 0; i < vector_active(cnode->cmd_vector); ++i) { |
| 833 | struct cmd_element *elem; |
| 834 | elem = vector_slot(cnode->cmd_vector, i); |
| 835 | if (!elem->string) |
| 836 | continue; |
| 837 | if (!strcmp(elem->string, cmdstring)) |
| 838 | return 1; |
| 839 | } |
| 840 | return 0; |
| 841 | } |
| 842 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 843 | /*! Install a command into a node |
Harald Welte | 7acb30c | 2011-08-17 17:13:48 +0200 | [diff] [blame] | 844 | * \param[in] ntype Node Type |
| 845 | * \param[cmd] element to be installed |
| 846 | */ |
Holger Hans Peter Freyther | a9e5252 | 2015-08-02 02:14:07 +0000 | [diff] [blame] | 847 | void install_element(int ntype, struct cmd_element *cmd) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 848 | { |
| 849 | struct cmd_node *cnode; |
| 850 | |
| 851 | cnode = vector_slot(cmdvec, ntype); |
| 852 | |
Harald Welte | a99d45a | 2015-11-12 13:48:23 +0100 | [diff] [blame] | 853 | OSMO_ASSERT(cnode); |
Harald Welte | addeaa3 | 2017-01-07 12:52:00 +0100 | [diff] [blame] | 854 | /* ensure no _identical_ command has been registered at this |
| 855 | * node so far */ |
| 856 | OSMO_ASSERT(!check_element_exists(cnode, cmd->string)); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 857 | |
| 858 | vector_set(cnode->cmd_vector, cmd); |
| 859 | |
| 860 | cmd->strvec = cmd_make_descvec(cmd->string, cmd->doc); |
| 861 | cmd->cmdsize = cmd_cmdsize(cmd->strvec); |
| 862 | } |
| 863 | |
Vadim Yanitskiy | 99d5c2d | 2020-10-06 00:22:06 +0700 | [diff] [blame] | 864 | /*! Install a library command into a node |
| 865 | * \param[in] ntype Node Type |
| 866 | * \param[in] cmd element to be installed |
| 867 | */ |
| 868 | void install_lib_element(int ntype, struct cmd_element *cmd) |
| 869 | { |
| 870 | cmd->attr |= CMD_ATTR_LIB_COMMAND; |
| 871 | install_element(ntype, cmd); |
| 872 | } |
| 873 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 874 | /* Install a command into VIEW and ENABLE node */ |
| 875 | void install_element_ve(struct cmd_element *cmd) |
| 876 | { |
| 877 | install_element(VIEW_NODE, cmd); |
| 878 | install_element(ENABLE_NODE, cmd); |
| 879 | } |
| 880 | |
Vadim Yanitskiy | 99d5c2d | 2020-10-06 00:22:06 +0700 | [diff] [blame] | 881 | /* Install a library command into VIEW and ENABLE node */ |
| 882 | void install_lib_element_ve(struct cmd_element *cmd) |
| 883 | { |
| 884 | cmd->attr |= CMD_ATTR_LIB_COMMAND; |
| 885 | install_element_ve(cmd); |
| 886 | } |
| 887 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 888 | #ifdef VTY_CRYPT_PW |
| 889 | static unsigned char itoa64[] = |
| 890 | "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; |
| 891 | |
| 892 | static void to64(char *s, long v, int n) |
| 893 | { |
| 894 | while (--n >= 0) { |
| 895 | *s++ = itoa64[v & 0x3f]; |
| 896 | v >>= 6; |
| 897 | } |
| 898 | } |
| 899 | |
| 900 | static char *zencrypt(const char *passwd) |
| 901 | { |
| 902 | char salt[6]; |
| 903 | struct timeval tv; |
| 904 | char *crypt(const char *, const char *); |
| 905 | |
Neels Hofmeyr | 8e2f7e8 | 2016-09-22 03:58:13 +0200 | [diff] [blame] | 906 | osmo_gettimeofday(&tv, 0); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 907 | |
| 908 | to64(&salt[0], random(), 3); |
| 909 | to64(&salt[3], tv.tv_usec, 3); |
| 910 | salt[5] = '\0'; |
| 911 | |
| 912 | return crypt(passwd, salt); |
| 913 | } |
| 914 | #endif |
| 915 | |
| 916 | /* This function write configuration of this host. */ |
| 917 | static int config_write_host(struct vty *vty) |
| 918 | { |
| 919 | if (host.name) |
| 920 | vty_out(vty, "hostname %s%s", host.name, VTY_NEWLINE); |
| 921 | |
| 922 | if (host.encrypt) { |
| 923 | if (host.password_encrypt) |
| 924 | vty_out(vty, "password 8 %s%s", host.password_encrypt, |
| 925 | VTY_NEWLINE); |
| 926 | if (host.enable_encrypt) |
| 927 | vty_out(vty, "enable password 8 %s%s", |
| 928 | host.enable_encrypt, VTY_NEWLINE); |
| 929 | } else { |
| 930 | if (host.password) |
| 931 | vty_out(vty, "password %s%s", host.password, |
| 932 | VTY_NEWLINE); |
| 933 | if (host.enable) |
| 934 | vty_out(vty, "enable password %s%s", host.enable, |
| 935 | VTY_NEWLINE); |
| 936 | } |
| 937 | |
| 938 | if (host.advanced) |
| 939 | vty_out(vty, "service advanced-vty%s", VTY_NEWLINE); |
| 940 | |
| 941 | if (host.encrypt) |
| 942 | vty_out(vty, "service password-encryption%s", VTY_NEWLINE); |
| 943 | |
| 944 | if (host.lines >= 0) |
| 945 | vty_out(vty, "service terminal-length %d%s", host.lines, |
| 946 | VTY_NEWLINE); |
| 947 | |
| 948 | if (host.motdfile) |
| 949 | vty_out(vty, "banner motd file %s%s", host.motdfile, |
| 950 | VTY_NEWLINE); |
| 951 | else if (!host.motd) |
| 952 | vty_out(vty, "no banner motd%s", VTY_NEWLINE); |
| 953 | |
| 954 | return 1; |
| 955 | } |
| 956 | |
| 957 | /* Utility function for getting command vector. */ |
| 958 | static vector cmd_node_vector(vector v, enum node_type ntype) |
| 959 | { |
| 960 | struct cmd_node *cnode = vector_slot(v, ntype); |
| 961 | return cnode->cmd_vector; |
| 962 | } |
| 963 | |
| 964 | /* Completion match types. */ |
| 965 | enum match_type { |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 966 | NO_MATCH = 0, |
| 967 | ANY_MATCH, |
| 968 | EXTEND_MATCH, |
| 969 | IPV4_PREFIX_MATCH, |
| 970 | IPV4_MATCH, |
| 971 | IPV6_PREFIX_MATCH, |
| 972 | IPV6_MATCH, |
| 973 | RANGE_MATCH, |
| 974 | VARARG_MATCH, |
| 975 | PARTLY_MATCH, |
| 976 | EXACT_MATCH, |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 977 | }; |
| 978 | |
| 979 | static enum match_type cmd_ipv4_match(const char *str) |
| 980 | { |
| 981 | const char *sp; |
| 982 | int dots = 0, nums = 0; |
| 983 | char buf[4]; |
| 984 | |
| 985 | if (str == NULL) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 986 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 987 | |
| 988 | for (;;) { |
| 989 | memset(buf, 0, sizeof(buf)); |
| 990 | sp = str; |
| 991 | while (*str != '\0') { |
| 992 | if (*str == '.') { |
| 993 | if (dots >= 3) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 994 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 995 | |
| 996 | if (*(str + 1) == '.') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 997 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 998 | |
| 999 | if (*(str + 1) == '\0') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1000 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1001 | |
| 1002 | dots++; |
| 1003 | break; |
| 1004 | } |
| 1005 | if (!isdigit((int)*str)) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1006 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1007 | |
| 1008 | str++; |
| 1009 | } |
| 1010 | |
| 1011 | if (str - sp > 3) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1012 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1013 | |
| 1014 | strncpy(buf, sp, str - sp); |
| 1015 | if (atoi(buf) > 255) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1016 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1017 | |
| 1018 | nums++; |
| 1019 | |
| 1020 | if (*str == '\0') |
| 1021 | break; |
| 1022 | |
| 1023 | str++; |
| 1024 | } |
| 1025 | |
| 1026 | if (nums < 4) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1027 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1028 | |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1029 | return EXACT_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1030 | } |
| 1031 | |
| 1032 | static enum match_type cmd_ipv4_prefix_match(const char *str) |
| 1033 | { |
| 1034 | const char *sp; |
| 1035 | int dots = 0; |
| 1036 | char buf[4]; |
| 1037 | |
| 1038 | if (str == NULL) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1039 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1040 | |
| 1041 | for (;;) { |
| 1042 | memset(buf, 0, sizeof(buf)); |
| 1043 | sp = str; |
| 1044 | while (*str != '\0' && *str != '/') { |
| 1045 | if (*str == '.') { |
| 1046 | if (dots == 3) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1047 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1048 | |
| 1049 | if (*(str + 1) == '.' || *(str + 1) == '/') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1050 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1051 | |
| 1052 | if (*(str + 1) == '\0') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1053 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1054 | |
| 1055 | dots++; |
| 1056 | break; |
| 1057 | } |
| 1058 | |
| 1059 | if (!isdigit((int)*str)) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1060 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1061 | |
| 1062 | str++; |
| 1063 | } |
| 1064 | |
| 1065 | if (str - sp > 3) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1066 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1067 | |
| 1068 | strncpy(buf, sp, str - sp); |
| 1069 | if (atoi(buf) > 255) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1070 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1071 | |
| 1072 | if (dots == 3) { |
| 1073 | if (*str == '/') { |
| 1074 | if (*(str + 1) == '\0') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1075 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1076 | |
| 1077 | str++; |
| 1078 | break; |
| 1079 | } else if (*str == '\0') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1080 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1081 | } |
| 1082 | |
| 1083 | if (*str == '\0') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1084 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1085 | |
| 1086 | str++; |
| 1087 | } |
| 1088 | |
| 1089 | sp = str; |
| 1090 | while (*str != '\0') { |
| 1091 | if (!isdigit((int)*str)) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1092 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1093 | |
| 1094 | str++; |
| 1095 | } |
| 1096 | |
| 1097 | if (atoi(sp) > 32) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1098 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1099 | |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1100 | return EXACT_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1101 | } |
| 1102 | |
| 1103 | #define IPV6_ADDR_STR "0123456789abcdefABCDEF:.%" |
| 1104 | #define IPV6_PREFIX_STR "0123456789abcdefABCDEF:.%/" |
| 1105 | #define STATE_START 1 |
| 1106 | #define STATE_COLON 2 |
| 1107 | #define STATE_DOUBLE 3 |
| 1108 | #define STATE_ADDR 4 |
| 1109 | #define STATE_DOT 5 |
| 1110 | #define STATE_SLASH 6 |
| 1111 | #define STATE_MASK 7 |
| 1112 | |
| 1113 | #ifdef HAVE_IPV6 |
| 1114 | |
| 1115 | static enum match_type cmd_ipv6_match(const char *str) |
| 1116 | { |
| 1117 | int state = STATE_START; |
| 1118 | int colons = 0, nums = 0, double_colon = 0; |
| 1119 | const char *sp = NULL; |
| 1120 | struct sockaddr_in6 sin6_dummy; |
| 1121 | int ret; |
| 1122 | |
| 1123 | if (str == NULL) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1124 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1125 | |
| 1126 | if (strspn(str, IPV6_ADDR_STR) != strlen(str)) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1127 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1128 | |
| 1129 | /* use inet_pton that has a better support, |
| 1130 | * for example inet_pton can support the automatic addresses: |
| 1131 | * ::1.2.3.4 |
| 1132 | */ |
| 1133 | ret = inet_pton(AF_INET6, str, &sin6_dummy.sin6_addr); |
| 1134 | |
| 1135 | if (ret == 1) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1136 | return EXACT_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1137 | |
| 1138 | while (*str != '\0') { |
| 1139 | switch (state) { |
| 1140 | case STATE_START: |
| 1141 | if (*str == ':') { |
| 1142 | if (*(str + 1) != ':' && *(str + 1) != '\0') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1143 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1144 | colons--; |
| 1145 | state = STATE_COLON; |
| 1146 | } else { |
| 1147 | sp = str; |
| 1148 | state = STATE_ADDR; |
| 1149 | } |
| 1150 | |
| 1151 | continue; |
| 1152 | case STATE_COLON: |
| 1153 | colons++; |
| 1154 | if (*(str + 1) == ':') |
| 1155 | state = STATE_DOUBLE; |
| 1156 | else { |
| 1157 | sp = str + 1; |
| 1158 | state = STATE_ADDR; |
| 1159 | } |
| 1160 | break; |
| 1161 | case STATE_DOUBLE: |
| 1162 | if (double_colon) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1163 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1164 | |
| 1165 | if (*(str + 1) == ':') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1166 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1167 | else { |
| 1168 | if (*(str + 1) != '\0') |
| 1169 | colons++; |
| 1170 | sp = str + 1; |
| 1171 | state = STATE_ADDR; |
| 1172 | } |
| 1173 | |
| 1174 | double_colon++; |
| 1175 | nums++; |
| 1176 | break; |
| 1177 | case STATE_ADDR: |
| 1178 | if (*(str + 1) == ':' || *(str + 1) == '\0') { |
| 1179 | if (str - sp > 3) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1180 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1181 | |
| 1182 | nums++; |
| 1183 | state = STATE_COLON; |
| 1184 | } |
| 1185 | if (*(str + 1) == '.') |
| 1186 | state = STATE_DOT; |
| 1187 | break; |
| 1188 | case STATE_DOT: |
| 1189 | state = STATE_ADDR; |
| 1190 | break; |
| 1191 | default: |
| 1192 | break; |
| 1193 | } |
| 1194 | |
| 1195 | if (nums > 8) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1196 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1197 | |
| 1198 | if (colons > 7) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1199 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1200 | |
| 1201 | str++; |
| 1202 | } |
| 1203 | |
| 1204 | #if 0 |
| 1205 | if (nums < 11) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1206 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1207 | #endif /* 0 */ |
| 1208 | |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1209 | return EXACT_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1210 | } |
| 1211 | |
| 1212 | static enum match_type cmd_ipv6_prefix_match(const char *str) |
| 1213 | { |
| 1214 | int state = STATE_START; |
| 1215 | int colons = 0, nums = 0, double_colon = 0; |
| 1216 | int mask; |
| 1217 | const char *sp = NULL; |
| 1218 | char *endptr = NULL; |
| 1219 | |
| 1220 | if (str == NULL) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1221 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1222 | |
| 1223 | if (strspn(str, IPV6_PREFIX_STR) != strlen(str)) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1224 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1225 | |
| 1226 | while (*str != '\0' && state != STATE_MASK) { |
| 1227 | switch (state) { |
| 1228 | case STATE_START: |
| 1229 | if (*str == ':') { |
| 1230 | if (*(str + 1) != ':' && *(str + 1) != '\0') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1231 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1232 | colons--; |
| 1233 | state = STATE_COLON; |
| 1234 | } else { |
| 1235 | sp = str; |
| 1236 | state = STATE_ADDR; |
| 1237 | } |
| 1238 | |
| 1239 | continue; |
| 1240 | case STATE_COLON: |
| 1241 | colons++; |
| 1242 | if (*(str + 1) == '/') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1243 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1244 | else if (*(str + 1) == ':') |
| 1245 | state = STATE_DOUBLE; |
| 1246 | else { |
| 1247 | sp = str + 1; |
| 1248 | state = STATE_ADDR; |
| 1249 | } |
| 1250 | break; |
| 1251 | case STATE_DOUBLE: |
| 1252 | if (double_colon) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1253 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1254 | |
| 1255 | if (*(str + 1) == ':') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1256 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1257 | else { |
| 1258 | if (*(str + 1) != '\0' && *(str + 1) != '/') |
| 1259 | colons++; |
| 1260 | sp = str + 1; |
| 1261 | |
| 1262 | if (*(str + 1) == '/') |
| 1263 | state = STATE_SLASH; |
| 1264 | else |
| 1265 | state = STATE_ADDR; |
| 1266 | } |
| 1267 | |
| 1268 | double_colon++; |
| 1269 | nums += 1; |
| 1270 | break; |
| 1271 | case STATE_ADDR: |
| 1272 | if (*(str + 1) == ':' || *(str + 1) == '.' |
| 1273 | || *(str + 1) == '\0' || *(str + 1) == '/') { |
| 1274 | if (str - sp > 3) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1275 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1276 | |
| 1277 | for (; sp <= str; sp++) |
| 1278 | if (*sp == '/') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1279 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1280 | |
| 1281 | nums++; |
| 1282 | |
| 1283 | if (*(str + 1) == ':') |
| 1284 | state = STATE_COLON; |
| 1285 | else if (*(str + 1) == '.') |
| 1286 | state = STATE_DOT; |
| 1287 | else if (*(str + 1) == '/') |
| 1288 | state = STATE_SLASH; |
| 1289 | } |
| 1290 | break; |
| 1291 | case STATE_DOT: |
| 1292 | state = STATE_ADDR; |
| 1293 | break; |
| 1294 | case STATE_SLASH: |
| 1295 | if (*(str + 1) == '\0') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1296 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1297 | |
| 1298 | state = STATE_MASK; |
| 1299 | break; |
| 1300 | default: |
| 1301 | break; |
| 1302 | } |
| 1303 | |
| 1304 | if (nums > 11) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1305 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1306 | |
| 1307 | if (colons > 7) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1308 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1309 | |
| 1310 | str++; |
| 1311 | } |
| 1312 | |
| 1313 | if (state < STATE_MASK) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1314 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1315 | |
| 1316 | mask = strtol(str, &endptr, 10); |
| 1317 | if (*endptr != '\0') |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1318 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1319 | |
| 1320 | if (mask < 0 || mask > 128) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1321 | return NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1322 | |
| 1323 | /* I don't know why mask < 13 makes command match partly. |
| 1324 | Forgive me to make this comments. I Want to set static default route |
| 1325 | because of lack of function to originate default in ospf6d; sorry |
| 1326 | yasu |
| 1327 | if (mask < 13) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1328 | return PARTLY_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1329 | */ |
| 1330 | |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1331 | return EXACT_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1332 | } |
| 1333 | |
| 1334 | #endif /* HAVE_IPV6 */ |
| 1335 | |
Pau Espin Pedrol | 9fdc871 | 2020-07-30 14:56:38 +0200 | [diff] [blame] | 1336 | |
| 1337 | #if ULONG_MAX == 18446744073709551615UL |
| 1338 | #define DECIMAL_STRLEN_MAX_UNSIGNED 20 |
| 1339 | #elif ULONG_MAX == 4294967295UL |
| 1340 | #define DECIMAL_STRLEN_MAX_UNSIGNED 10 |
| 1341 | #else |
| 1342 | #error "ULONG_MAX not defined!" |
| 1343 | #endif |
| 1344 | |
| 1345 | #if LONG_MAX == 9223372036854775807L |
| 1346 | #define DECIMAL_STRLEN_MAX_SIGNED 19 |
| 1347 | #elif LONG_MAX == 2147483647L |
| 1348 | #define DECIMAL_STRLEN_MAX_SIGNED 10 |
| 1349 | #else |
| 1350 | #error "LONG_MAX not defined!" |
| 1351 | #endif |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1352 | |
| 1353 | static int cmd_range_match(const char *range, const char *str) |
| 1354 | { |
| 1355 | char *p; |
Pau Espin Pedrol | 9fdc871 | 2020-07-30 14:56:38 +0200 | [diff] [blame] | 1356 | char buf[DECIMAL_STRLEN_MAX_UNSIGNED + 1]; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1357 | char *endptr = NULL; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1358 | |
| 1359 | if (str == NULL) |
| 1360 | return 1; |
| 1361 | |
Andreas Eversberg | 33f0fc3 | 2010-07-13 13:50:39 +0200 | [diff] [blame] | 1362 | if (range[1] == '-') { |
| 1363 | signed long min = 0, max = 0, val; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1364 | |
Andreas Eversberg | 33f0fc3 | 2010-07-13 13:50:39 +0200 | [diff] [blame] | 1365 | val = strtol(str, &endptr, 10); |
| 1366 | if (*endptr != '\0') |
| 1367 | return 0; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1368 | |
Andreas Eversberg | 33f0fc3 | 2010-07-13 13:50:39 +0200 | [diff] [blame] | 1369 | range += 2; |
| 1370 | p = strchr(range, '-'); |
| 1371 | if (p == NULL) |
| 1372 | return 0; |
Pau Espin Pedrol | 9fdc871 | 2020-07-30 14:56:38 +0200 | [diff] [blame] | 1373 | if (p - range > DECIMAL_STRLEN_MAX_SIGNED) |
Andreas Eversberg | 33f0fc3 | 2010-07-13 13:50:39 +0200 | [diff] [blame] | 1374 | return 0; |
| 1375 | strncpy(buf, range, p - range); |
| 1376 | buf[p - range] = '\0'; |
| 1377 | min = -strtol(buf, &endptr, 10); |
| 1378 | if (*endptr != '\0') |
| 1379 | return 0; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1380 | |
Andreas Eversberg | 33f0fc3 | 2010-07-13 13:50:39 +0200 | [diff] [blame] | 1381 | range = p + 1; |
| 1382 | p = strchr(range, '>'); |
| 1383 | if (p == NULL) |
| 1384 | return 0; |
Pau Espin Pedrol | 9fdc871 | 2020-07-30 14:56:38 +0200 | [diff] [blame] | 1385 | if (p - range > DECIMAL_STRLEN_MAX_SIGNED) |
Andreas Eversberg | 33f0fc3 | 2010-07-13 13:50:39 +0200 | [diff] [blame] | 1386 | return 0; |
| 1387 | strncpy(buf, range, p - range); |
| 1388 | buf[p - range] = '\0'; |
| 1389 | max = strtol(buf, &endptr, 10); |
| 1390 | if (*endptr != '\0') |
| 1391 | return 0; |
| 1392 | |
| 1393 | if (val < min || val > max) |
| 1394 | return 0; |
| 1395 | } else { |
| 1396 | unsigned long min, max, val; |
| 1397 | |
Pau Espin Pedrol | a184701 | 2020-07-28 17:44:48 +0200 | [diff] [blame] | 1398 | if (str[0] == '-') |
| 1399 | return 0; |
| 1400 | |
Andreas Eversberg | 33f0fc3 | 2010-07-13 13:50:39 +0200 | [diff] [blame] | 1401 | val = strtoul(str, &endptr, 10); |
| 1402 | if (*endptr != '\0') |
| 1403 | return 0; |
| 1404 | |
| 1405 | range++; |
| 1406 | p = strchr(range, '-'); |
| 1407 | if (p == NULL) |
| 1408 | return 0; |
Pau Espin Pedrol | 9fdc871 | 2020-07-30 14:56:38 +0200 | [diff] [blame] | 1409 | if (p - range > DECIMAL_STRLEN_MAX_UNSIGNED) |
Andreas Eversberg | 33f0fc3 | 2010-07-13 13:50:39 +0200 | [diff] [blame] | 1410 | return 0; |
| 1411 | strncpy(buf, range, p - range); |
| 1412 | buf[p - range] = '\0'; |
| 1413 | min = strtoul(buf, &endptr, 10); |
| 1414 | if (*endptr != '\0') |
| 1415 | return 0; |
| 1416 | |
| 1417 | range = p + 1; |
| 1418 | p = strchr(range, '>'); |
| 1419 | if (p == NULL) |
| 1420 | return 0; |
Pau Espin Pedrol | 9fdc871 | 2020-07-30 14:56:38 +0200 | [diff] [blame] | 1421 | if (p - range > DECIMAL_STRLEN_MAX_UNSIGNED) |
Andreas Eversberg | 33f0fc3 | 2010-07-13 13:50:39 +0200 | [diff] [blame] | 1422 | return 0; |
| 1423 | strncpy(buf, range, p - range); |
| 1424 | buf[p - range] = '\0'; |
| 1425 | max = strtoul(buf, &endptr, 10); |
| 1426 | if (*endptr != '\0') |
| 1427 | return 0; |
| 1428 | |
| 1429 | if (val < min || val > max) |
| 1430 | return 0; |
| 1431 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1432 | |
| 1433 | return 1; |
| 1434 | } |
| 1435 | |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1436 | /* helper to retrieve the 'real' argument string from an optional argument */ |
Neels Hofmeyr | 5314c51 | 2018-07-09 23:22:21 +0200 | [diff] [blame] | 1437 | static char *cmd_deopt(void *ctx, const char *str) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1438 | { |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1439 | /* we've got "[blah]". We want to strip off the []s and redo the |
| 1440 | * match check for "blah" |
| 1441 | */ |
| 1442 | size_t len = strlen(str); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1443 | |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1444 | if (len < 3) |
| 1445 | return NULL; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1446 | |
Neels Hofmeyr | 5314c51 | 2018-07-09 23:22:21 +0200 | [diff] [blame] | 1447 | return talloc_strndup(ctx, str + 1, len - 2); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1448 | } |
| 1449 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1450 | static enum match_type |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1451 | cmd_match(const char *str, const char *command, |
| 1452 | enum match_type min, bool recur) |
| 1453 | { |
| 1454 | |
| 1455 | if (recur && CMD_OPTION(str)) |
| 1456 | { |
| 1457 | enum match_type ret; |
Neels Hofmeyr | 5314c51 | 2018-07-09 23:22:21 +0200 | [diff] [blame] | 1458 | char *tmp = cmd_deopt(tall_vty_cmd_ctx, str); |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1459 | |
| 1460 | /* this would be a bug in a command, however handle it gracefully |
| 1461 | * as it we only discover it if a user tries to run it |
| 1462 | */ |
| 1463 | if (tmp == NULL) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1464 | return NO_MATCH; |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1465 | |
| 1466 | ret = cmd_match(tmp, command, min, false); |
| 1467 | |
| 1468 | talloc_free(tmp); |
| 1469 | |
| 1470 | return ret; |
| 1471 | } |
| 1472 | else if (CMD_VARARG(str)) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1473 | return VARARG_MATCH; |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1474 | else if (CMD_RANGE(str)) |
| 1475 | { |
| 1476 | if (cmd_range_match(str, command)) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1477 | return RANGE_MATCH; |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1478 | } |
| 1479 | #ifdef HAVE_IPV6 |
| 1480 | else if (CMD_IPV6(str)) |
| 1481 | { |
| 1482 | if (cmd_ipv6_match(command) >= min) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1483 | return IPV6_MATCH; |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1484 | } |
| 1485 | else if (CMD_IPV6_PREFIX(str)) |
| 1486 | { |
| 1487 | if (cmd_ipv6_prefix_match(command) >= min) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1488 | return IPV6_PREFIX_MATCH; |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1489 | } |
| 1490 | #endif /* HAVE_IPV6 */ |
| 1491 | else if (CMD_IPV4(str)) |
| 1492 | { |
| 1493 | if (cmd_ipv4_match(command) >= min) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1494 | return IPV4_MATCH; |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1495 | } |
| 1496 | else if (CMD_IPV4_PREFIX(str)) |
| 1497 | { |
| 1498 | if (cmd_ipv4_prefix_match(command) >= min) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1499 | return IPV4_PREFIX_MATCH; |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1500 | } |
| 1501 | else if (CMD_VARIABLE(str)) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1502 | return EXTEND_MATCH; |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1503 | else if (strncmp(command, str, strlen(command)) == 0) |
| 1504 | { |
| 1505 | if (strcmp(command, str) == 0) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1506 | return EXACT_MATCH; |
| 1507 | else if (PARTLY_MATCH >= min) |
| 1508 | return PARTLY_MATCH; |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1509 | } |
| 1510 | |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1511 | return NO_MATCH; |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1512 | } |
| 1513 | |
| 1514 | /* Filter vector at the specified index and by the given command string, to |
| 1515 | * the desired matching level (thus allowing part matches), and return match |
| 1516 | * type flag. |
| 1517 | */ |
| 1518 | static enum match_type |
| 1519 | cmd_filter(char *command, vector v, unsigned int index, enum match_type level) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1520 | { |
| 1521 | unsigned int i; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1522 | struct cmd_element *cmd_element; |
| 1523 | enum match_type match_type; |
| 1524 | vector descvec; |
| 1525 | struct desc *desc; |
| 1526 | |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1527 | match_type = NO_MATCH; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1528 | |
| 1529 | /* If command and cmd_element string does not match set NULL to vector */ |
| 1530 | for (i = 0; i < vector_active(v); i++) |
| 1531 | if ((cmd_element = vector_slot(v, i)) != NULL) { |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1532 | if (index >= vector_active(cmd_element->strvec)) |
| 1533 | vector_slot(v, i) = NULL; |
| 1534 | else { |
| 1535 | unsigned int j; |
| 1536 | int matched = 0; |
| 1537 | |
| 1538 | descvec = |
| 1539 | vector_slot(cmd_element->strvec, index); |
| 1540 | |
| 1541 | for (j = 0; j < vector_active(descvec); j++) |
| 1542 | if ((desc = vector_slot(descvec, j))) { |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1543 | enum match_type ret; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1544 | |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1545 | ret = cmd_match (desc->cmd, command, level, true); |
| 1546 | |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1547 | if (ret != NO_MATCH) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1548 | matched++; |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1549 | |
| 1550 | if (match_type < ret) |
| 1551 | match_type = ret; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1552 | } |
| 1553 | if (!matched) |
| 1554 | vector_slot(v, i) = NULL; |
| 1555 | } |
| 1556 | } |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1557 | |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1558 | if (match_type == NO_MATCH) |
| 1559 | return NO_MATCH; |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1560 | |
| 1561 | /* 2nd pass: We now know the 'strongest' match type for the index, so we |
| 1562 | * go again and filter out commands whose argument (at this index) is |
| 1563 | * 'weaker'. E.g., if we have 2 commands: |
| 1564 | * |
| 1565 | * foo bar <1-255> |
| 1566 | * foo bar BLAH |
| 1567 | * |
| 1568 | * and the command string is 'foo bar 10', then we will get here with with |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1569 | * 'RANGE_MATCH' being the strongest match. However, if 'BLAH' came |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1570 | * earlier, it won't have been filtered out (as a CMD_VARIABLE allows "10"). |
| 1571 | * |
| 1572 | * If we don't do a 2nd pass and filter it out, the higher-layers will |
| 1573 | * consider this to be ambiguous. |
| 1574 | */ |
| 1575 | for (i = 0; i < vector_active(v); i++) |
| 1576 | if ((cmd_element = vector_slot(v, i)) != NULL) { |
| 1577 | if (index >= vector_active(cmd_element->strvec)) |
| 1578 | vector_slot(v, i) = NULL; |
| 1579 | else { |
| 1580 | unsigned int j; |
| 1581 | int matched = 0; |
| 1582 | |
| 1583 | descvec = |
| 1584 | vector_slot(cmd_element->strvec, index); |
| 1585 | |
| 1586 | for (j = 0; j < vector_active(descvec); j++) |
| 1587 | if ((desc = vector_slot(descvec, j))) { |
| 1588 | enum match_type ret; |
| 1589 | |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1590 | ret = cmd_match(desc->cmd, command, ANY_MATCH, true); |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 1591 | |
| 1592 | if (ret >= match_type) |
| 1593 | matched++; |
| 1594 | } |
| 1595 | if (!matched) |
| 1596 | vector_slot(v, i) = NULL; |
| 1597 | } |
| 1598 | } |
| 1599 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1600 | return match_type; |
| 1601 | } |
| 1602 | |
| 1603 | /* Check ambiguous match */ |
| 1604 | static int |
| 1605 | is_cmd_ambiguous(char *command, vector v, int index, enum match_type type) |
| 1606 | { |
Neels Hofmeyr | 5314c51 | 2018-07-09 23:22:21 +0200 | [diff] [blame] | 1607 | int ret = 0; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1608 | unsigned int i; |
| 1609 | unsigned int j; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1610 | struct cmd_element *cmd_element; |
| 1611 | const char *matched = NULL; |
| 1612 | vector descvec; |
| 1613 | struct desc *desc; |
| 1614 | |
Neels Hofmeyr | 5314c51 | 2018-07-09 23:22:21 +0200 | [diff] [blame] | 1615 | /* In this loop, when a match is found, 'matched' points to it. If on a later iteration, an |
| 1616 | * identical match is found, the command is ambiguous. The trickiness is that a string may be |
| 1617 | * enclosed in '[str]' square brackets, which get removed by a talloc_strndup(), via cmd_deopt(). |
| 1618 | * Such a string is usually needed for one loop iteration, except when 'matched' points to it. In |
| 1619 | * that case, the string must remain allocated until this function exits or another match comes |
| 1620 | * around. This is sufficiently confusing to justify a separate talloc tree to store all of the |
| 1621 | * odd allocations, and to free them all at the end. We are not expecting too many optional args |
| 1622 | * or ambiguities to cause a noticeable memory footprint from keeping all allocations. */ |
| 1623 | void *cmd_deopt_ctx = NULL; |
| 1624 | |
Pau Espin Pedrol | 274ac4d | 2019-06-12 13:06:41 +0200 | [diff] [blame] | 1625 | for (i = 0; i < vector_active(v); i++) { |
| 1626 | cmd_element = vector_slot(v, i); |
| 1627 | if (!cmd_element) |
| 1628 | continue; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1629 | |
Pau Espin Pedrol | 274ac4d | 2019-06-12 13:06:41 +0200 | [diff] [blame] | 1630 | int match = 0; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1631 | |
Pau Espin Pedrol | 274ac4d | 2019-06-12 13:06:41 +0200 | [diff] [blame] | 1632 | descvec = vector_slot(cmd_element->strvec, index); |
| 1633 | |
| 1634 | for (j = 0; j < vector_active(descvec); j++) { |
| 1635 | desc = vector_slot(descvec, j); |
| 1636 | if (!desc) |
| 1637 | continue; |
| 1638 | |
| 1639 | enum match_type mtype; |
| 1640 | const char *str = desc->cmd; |
| 1641 | |
| 1642 | if (CMD_OPTION(str)) { |
| 1643 | if (!cmd_deopt_ctx) |
| 1644 | cmd_deopt_ctx = |
| 1645 | talloc_named_const(tall_vty_cmd_ctx, 0, |
| 1646 | __func__); |
| 1647 | str = cmd_deopt(cmd_deopt_ctx, str); |
| 1648 | if (str == NULL) |
Pau Espin Pedrol | 4742526 | 2019-06-11 21:04:09 +0200 | [diff] [blame] | 1649 | continue; |
Pau Espin Pedrol | 4742526 | 2019-06-11 21:04:09 +0200 | [diff] [blame] | 1650 | } |
Pau Espin Pedrol | 274ac4d | 2019-06-12 13:06:41 +0200 | [diff] [blame] | 1651 | |
| 1652 | switch (type) { |
| 1653 | case EXACT_MATCH: |
| 1654 | if (!(CMD_VARIABLE (str)) |
| 1655 | && strcmp(command, str) == 0) |
| 1656 | match++; |
| 1657 | break; |
| 1658 | case PARTLY_MATCH: |
| 1659 | if (!(CMD_VARIABLE (str)) |
| 1660 | && strncmp(command, str, strlen (command)) == 0) |
| 1661 | { |
| 1662 | if (matched |
| 1663 | && strcmp(matched, |
| 1664 | str) != 0) { |
| 1665 | ret = 1; /* There is ambiguous match. */ |
| 1666 | goto free_and_return; |
| 1667 | } else |
| 1668 | matched = str; |
| 1669 | match++; |
| 1670 | } |
| 1671 | break; |
| 1672 | case RANGE_MATCH: |
| 1673 | if (cmd_range_match |
| 1674 | (str, command)) { |
| 1675 | if (matched |
| 1676 | && strcmp(matched, |
| 1677 | str) != 0) { |
| 1678 | ret = 1; |
| 1679 | goto free_and_return; |
| 1680 | } else |
| 1681 | matched = str; |
| 1682 | match++; |
| 1683 | } |
| 1684 | break; |
| 1685 | #ifdef HAVE_IPV6 |
| 1686 | case IPV6_MATCH: |
| 1687 | if (CMD_IPV6(str)) |
| 1688 | match++; |
| 1689 | break; |
| 1690 | case IPV6_PREFIX_MATCH: |
| 1691 | if ((mtype = |
| 1692 | cmd_ipv6_prefix_match |
| 1693 | (command)) != NO_MATCH) { |
| 1694 | if (mtype == PARTLY_MATCH) { |
| 1695 | ret = 2; /* There is incomplete match. */ |
| 1696 | goto free_and_return; |
| 1697 | } |
| 1698 | |
| 1699 | match++; |
| 1700 | } |
| 1701 | break; |
| 1702 | #endif /* HAVE_IPV6 */ |
| 1703 | case IPV4_MATCH: |
| 1704 | if (CMD_IPV4(str)) |
| 1705 | match++; |
| 1706 | break; |
| 1707 | case IPV4_PREFIX_MATCH: |
| 1708 | if ((mtype = |
| 1709 | cmd_ipv4_prefix_match |
| 1710 | (command)) != NO_MATCH) { |
| 1711 | if (mtype == PARTLY_MATCH) { |
| 1712 | ret = 2; /* There is incomplete match. */ |
| 1713 | goto free_and_return; |
| 1714 | } |
| 1715 | |
| 1716 | match++; |
| 1717 | } |
| 1718 | break; |
| 1719 | case EXTEND_MATCH: |
| 1720 | if (CMD_VARIABLE (str)) |
| 1721 | match++; |
| 1722 | break; |
| 1723 | case NO_MATCH: |
| 1724 | default: |
| 1725 | break; |
| 1726 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1727 | } |
Pau Espin Pedrol | 274ac4d | 2019-06-12 13:06:41 +0200 | [diff] [blame] | 1728 | if (!match) |
| 1729 | vector_slot(v, i) = NULL; |
| 1730 | } |
Neels Hofmeyr | 5314c51 | 2018-07-09 23:22:21 +0200 | [diff] [blame] | 1731 | |
| 1732 | free_and_return: |
| 1733 | if (cmd_deopt_ctx) |
| 1734 | talloc_free(cmd_deopt_ctx); |
| 1735 | return ret; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1736 | } |
| 1737 | |
| 1738 | /* If src matches dst return dst string, otherwise return NULL */ |
| 1739 | static const char *cmd_entry_function(const char *src, const char *dst) |
| 1740 | { |
| 1741 | /* Skip variable arguments. */ |
| 1742 | if (CMD_OPTION(dst) || CMD_VARIABLE(dst) || CMD_VARARG(dst) || |
| 1743 | CMD_IPV4(dst) || CMD_IPV4_PREFIX(dst) || CMD_RANGE(dst)) |
| 1744 | return NULL; |
| 1745 | |
| 1746 | /* In case of 'command \t', given src is NULL string. */ |
| 1747 | if (src == NULL) |
| 1748 | return dst; |
| 1749 | |
| 1750 | /* Matched with input string. */ |
| 1751 | if (strncmp(src, dst, strlen(src)) == 0) |
| 1752 | return dst; |
| 1753 | |
| 1754 | return NULL; |
| 1755 | } |
| 1756 | |
| 1757 | /* If src matches dst return dst string, otherwise return NULL */ |
| 1758 | /* This version will return the dst string always if it is |
| 1759 | CMD_VARIABLE for '?' key processing */ |
| 1760 | static const char *cmd_entry_function_desc(const char *src, const char *dst) |
| 1761 | { |
| 1762 | if (CMD_VARARG(dst)) |
| 1763 | return dst; |
| 1764 | |
| 1765 | if (CMD_RANGE(dst)) { |
| 1766 | if (cmd_range_match(dst, src)) |
| 1767 | return dst; |
| 1768 | else |
| 1769 | return NULL; |
| 1770 | } |
| 1771 | #ifdef HAVE_IPV6 |
| 1772 | if (CMD_IPV6(dst)) { |
| 1773 | if (cmd_ipv6_match(src)) |
| 1774 | return dst; |
| 1775 | else |
| 1776 | return NULL; |
| 1777 | } |
| 1778 | |
| 1779 | if (CMD_IPV6_PREFIX(dst)) { |
| 1780 | if (cmd_ipv6_prefix_match(src)) |
| 1781 | return dst; |
| 1782 | else |
| 1783 | return NULL; |
| 1784 | } |
| 1785 | #endif /* HAVE_IPV6 */ |
| 1786 | |
| 1787 | if (CMD_IPV4(dst)) { |
| 1788 | if (cmd_ipv4_match(src)) |
| 1789 | return dst; |
| 1790 | else |
| 1791 | return NULL; |
| 1792 | } |
| 1793 | |
| 1794 | if (CMD_IPV4_PREFIX(dst)) { |
| 1795 | if (cmd_ipv4_prefix_match(src)) |
| 1796 | return dst; |
| 1797 | else |
| 1798 | return NULL; |
| 1799 | } |
| 1800 | |
| 1801 | /* Optional or variable commands always match on '?' */ |
| 1802 | if (CMD_OPTION(dst) || CMD_VARIABLE(dst)) |
| 1803 | return dst; |
| 1804 | |
| 1805 | /* In case of 'command \t', given src is NULL string. */ |
| 1806 | if (src == NULL) |
| 1807 | return dst; |
| 1808 | |
| 1809 | if (strncmp(src, dst, strlen(src)) == 0) |
| 1810 | return dst; |
| 1811 | else |
| 1812 | return NULL; |
| 1813 | } |
| 1814 | |
| 1815 | /* Check same string element existence. If it isn't there return |
| 1816 | 1. */ |
| 1817 | static int cmd_unique_string(vector v, const char *str) |
| 1818 | { |
| 1819 | unsigned int i; |
| 1820 | char *match; |
| 1821 | |
| 1822 | for (i = 0; i < vector_active(v); i++) |
| 1823 | if ((match = vector_slot(v, i)) != NULL) |
| 1824 | if (strcmp(match, str) == 0) |
| 1825 | return 0; |
| 1826 | return 1; |
| 1827 | } |
| 1828 | |
| 1829 | /* Compare string to description vector. If there is same string |
| 1830 | return 1 else return 0. */ |
| 1831 | static int desc_unique_string(vector v, const char *str) |
| 1832 | { |
| 1833 | unsigned int i; |
| 1834 | struct desc *desc; |
| 1835 | |
| 1836 | for (i = 0; i < vector_active(v); i++) |
| 1837 | if ((desc = vector_slot(v, i)) != NULL) |
| 1838 | if (strcmp(desc->cmd, str) == 0) |
| 1839 | return 1; |
| 1840 | return 0; |
| 1841 | } |
| 1842 | |
| 1843 | static int cmd_try_do_shortcut(enum node_type node, char *first_word) |
| 1844 | { |
| 1845 | if (first_word != NULL && |
| 1846 | node != AUTH_NODE && |
| 1847 | node != VIEW_NODE && |
| 1848 | node != AUTH_ENABLE_NODE && |
| 1849 | node != ENABLE_NODE && 0 == strcmp("do", first_word)) |
| 1850 | return 1; |
| 1851 | return 0; |
| 1852 | } |
| 1853 | |
| 1854 | /* '?' describe command support. */ |
| 1855 | static vector |
| 1856 | cmd_describe_command_real(vector vline, struct vty *vty, int *status) |
| 1857 | { |
| 1858 | unsigned int i; |
| 1859 | vector cmd_vector; |
| 1860 | #define INIT_MATCHVEC_SIZE 10 |
| 1861 | vector matchvec; |
| 1862 | struct cmd_element *cmd_element; |
| 1863 | unsigned int index; |
| 1864 | int ret; |
| 1865 | enum match_type match; |
| 1866 | char *command; |
| 1867 | static struct desc desc_cr = { "<cr>", "" }; |
| 1868 | |
| 1869 | /* Set index. */ |
| 1870 | if (vector_active(vline) == 0) { |
| 1871 | *status = CMD_ERR_NO_MATCH; |
| 1872 | return NULL; |
| 1873 | } else |
| 1874 | index = vector_active(vline) - 1; |
| 1875 | |
| 1876 | /* Make copy vector of current node's command vector. */ |
| 1877 | cmd_vector = vector_copy(cmd_node_vector(cmdvec, vty->node)); |
| 1878 | |
| 1879 | /* Prepare match vector */ |
| 1880 | matchvec = vector_init(INIT_MATCHVEC_SIZE); |
| 1881 | |
| 1882 | /* Filter commands. */ |
| 1883 | /* Only words precedes current word will be checked in this loop. */ |
Harald Welte | 80d30fe | 2013-02-12 11:08:57 +0100 | [diff] [blame] | 1884 | for (i = 0; i < index; i++) { |
| 1885 | command = vector_slot(vline, i); |
| 1886 | if (!command) |
| 1887 | continue; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1888 | |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1889 | match = cmd_filter(command, cmd_vector, i, ANY_MATCH); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1890 | |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1891 | if (match == VARARG_MATCH) { |
Harald Welte | 80d30fe | 2013-02-12 11:08:57 +0100 | [diff] [blame] | 1892 | struct cmd_element *cmd_element; |
| 1893 | vector descvec; |
| 1894 | unsigned int j, k; |
| 1895 | |
| 1896 | for (j = 0; j < vector_active(cmd_vector); j++) |
| 1897 | if ((cmd_element = |
| 1898 | vector_slot(cmd_vector, j)) != NULL |
| 1899 | && |
| 1900 | (vector_active(cmd_element->strvec))) { |
| 1901 | descvec = |
| 1902 | vector_slot(cmd_element-> |
| 1903 | strvec, |
| 1904 | vector_active |
| 1905 | (cmd_element-> |
| 1906 | strvec) - 1); |
| 1907 | for (k = 0; |
| 1908 | k < vector_active(descvec); |
| 1909 | k++) { |
| 1910 | struct desc *desc = |
| 1911 | vector_slot(descvec, |
| 1912 | k); |
| 1913 | vector_set(matchvec, |
| 1914 | desc); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1915 | } |
Harald Welte | 80d30fe | 2013-02-12 11:08:57 +0100 | [diff] [blame] | 1916 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1917 | |
Harald Welte | 80d30fe | 2013-02-12 11:08:57 +0100 | [diff] [blame] | 1918 | vector_set(matchvec, &desc_cr); |
| 1919 | vector_free(cmd_vector); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1920 | |
Harald Welte | 80d30fe | 2013-02-12 11:08:57 +0100 | [diff] [blame] | 1921 | return matchvec; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1922 | } |
| 1923 | |
Harald Welte | 80d30fe | 2013-02-12 11:08:57 +0100 | [diff] [blame] | 1924 | if ((ret = is_cmd_ambiguous(command, cmd_vector, i, |
| 1925 | match)) == 1) { |
| 1926 | vector_free(cmd_vector); |
Holger Hans Peter Freyther | 047213b | 2013-07-03 09:32:37 +0200 | [diff] [blame] | 1927 | vector_free(matchvec); |
Harald Welte | 80d30fe | 2013-02-12 11:08:57 +0100 | [diff] [blame] | 1928 | *status = CMD_ERR_AMBIGUOUS; |
| 1929 | return NULL; |
| 1930 | } else if (ret == 2) { |
| 1931 | vector_free(cmd_vector); |
Holger Hans Peter Freyther | 047213b | 2013-07-03 09:32:37 +0200 | [diff] [blame] | 1932 | vector_free(matchvec); |
Harald Welte | 80d30fe | 2013-02-12 11:08:57 +0100 | [diff] [blame] | 1933 | *status = CMD_ERR_NO_MATCH; |
| 1934 | return NULL; |
| 1935 | } |
| 1936 | } |
| 1937 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1938 | /* Prepare match vector */ |
| 1939 | /* matchvec = vector_init (INIT_MATCHVEC_SIZE); */ |
| 1940 | |
| 1941 | /* Make sure that cmd_vector is filtered based on current word */ |
| 1942 | command = vector_slot(vline, index); |
| 1943 | if (command) |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 1944 | cmd_filter(command, cmd_vector, index, ANY_MATCH); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1945 | |
| 1946 | /* Make description vector. */ |
Harald Welte | 80d30fe | 2013-02-12 11:08:57 +0100 | [diff] [blame] | 1947 | for (i = 0; i < vector_active(cmd_vector); i++) { |
| 1948 | const char *string = NULL; |
| 1949 | vector strvec; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1950 | |
Harald Welte | 80d30fe | 2013-02-12 11:08:57 +0100 | [diff] [blame] | 1951 | cmd_element = vector_slot(cmd_vector, i); |
| 1952 | if (!cmd_element) |
| 1953 | continue; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1954 | |
Harald Welte | d17aa59 | 2013-02-12 11:11:34 +0100 | [diff] [blame] | 1955 | if (cmd_element->attr & (CMD_ATTR_DEPRECATED|CMD_ATTR_HIDDEN)) |
| 1956 | continue; |
| 1957 | |
Harald Welte | 80d30fe | 2013-02-12 11:08:57 +0100 | [diff] [blame] | 1958 | strvec = cmd_element->strvec; |
| 1959 | |
| 1960 | /* if command is NULL, index may be equal to vector_active */ |
| 1961 | if (command && index >= vector_active(strvec)) |
| 1962 | vector_slot(cmd_vector, i) = NULL; |
| 1963 | else { |
| 1964 | /* Check if command is completed. */ |
| 1965 | if (command == NULL |
| 1966 | && index == vector_active(strvec)) { |
| 1967 | string = "<cr>"; |
| 1968 | if (!desc_unique_string(matchvec, string)) |
| 1969 | vector_set(matchvec, &desc_cr); |
| 1970 | } else { |
| 1971 | unsigned int j; |
| 1972 | vector descvec = vector_slot(strvec, index); |
| 1973 | struct desc *desc; |
| 1974 | |
| 1975 | for (j = 0; j < vector_active(descvec); j++) { |
| 1976 | desc = vector_slot(descvec, j); |
| 1977 | if (!desc) |
| 1978 | continue; |
| 1979 | string = cmd_entry_function_desc |
| 1980 | (command, desc->cmd); |
| 1981 | if (!string) |
| 1982 | continue; |
| 1983 | /* Uniqueness check */ |
| 1984 | if (!desc_unique_string(matchvec, string)) |
| 1985 | vector_set(matchvec, desc); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1986 | } |
| 1987 | } |
| 1988 | } |
Harald Welte | 80d30fe | 2013-02-12 11:08:57 +0100 | [diff] [blame] | 1989 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 1990 | vector_free(cmd_vector); |
| 1991 | |
| 1992 | if (vector_slot(matchvec, 0) == NULL) { |
| 1993 | vector_free(matchvec); |
| 1994 | *status = CMD_ERR_NO_MATCH; |
| 1995 | } else |
| 1996 | *status = CMD_SUCCESS; |
| 1997 | |
| 1998 | return matchvec; |
| 1999 | } |
| 2000 | |
| 2001 | vector cmd_describe_command(vector vline, struct vty * vty, int *status) |
| 2002 | { |
| 2003 | vector ret; |
| 2004 | |
| 2005 | if (cmd_try_do_shortcut(vty->node, vector_slot(vline, 0))) { |
| 2006 | enum node_type onode; |
| 2007 | vector shifted_vline; |
| 2008 | unsigned int index; |
| 2009 | |
| 2010 | onode = vty->node; |
| 2011 | vty->node = ENABLE_NODE; |
| 2012 | /* We can try it on enable node, cos' the vty is authenticated */ |
| 2013 | |
| 2014 | shifted_vline = vector_init(vector_count(vline)); |
| 2015 | /* use memcpy? */ |
| 2016 | for (index = 1; index < vector_active(vline); index++) { |
| 2017 | vector_set_index(shifted_vline, index - 1, |
| 2018 | vector_lookup(vline, index)); |
| 2019 | } |
| 2020 | |
| 2021 | ret = cmd_describe_command_real(shifted_vline, vty, status); |
| 2022 | |
| 2023 | vector_free(shifted_vline); |
| 2024 | vty->node = onode; |
| 2025 | return ret; |
| 2026 | } |
| 2027 | |
| 2028 | return cmd_describe_command_real(vline, vty, status); |
| 2029 | } |
| 2030 | |
| 2031 | /* Check LCD of matched command. */ |
| 2032 | static int cmd_lcd(char **matched) |
| 2033 | { |
| 2034 | int i; |
| 2035 | int j; |
| 2036 | int lcd = -1; |
| 2037 | char *s1, *s2; |
| 2038 | char c1, c2; |
| 2039 | |
| 2040 | if (matched[0] == NULL || matched[1] == NULL) |
| 2041 | return 0; |
| 2042 | |
| 2043 | for (i = 1; matched[i] != NULL; i++) { |
| 2044 | s1 = matched[i - 1]; |
| 2045 | s2 = matched[i]; |
| 2046 | |
| 2047 | for (j = 0; (c1 = s1[j]) && (c2 = s2[j]); j++) |
| 2048 | if (c1 != c2) |
| 2049 | break; |
| 2050 | |
| 2051 | if (lcd < 0) |
| 2052 | lcd = j; |
| 2053 | else { |
| 2054 | if (lcd > j) |
| 2055 | lcd = j; |
| 2056 | } |
| 2057 | } |
| 2058 | return lcd; |
| 2059 | } |
| 2060 | |
| 2061 | /* Command line completion support. */ |
| 2062 | static char **cmd_complete_command_real(vector vline, struct vty *vty, |
| 2063 | int *status) |
| 2064 | { |
| 2065 | unsigned int i; |
| 2066 | vector cmd_vector = vector_copy(cmd_node_vector(cmdvec, vty->node)); |
| 2067 | #define INIT_MATCHVEC_SIZE 10 |
| 2068 | vector matchvec; |
| 2069 | struct cmd_element *cmd_element; |
| 2070 | unsigned int index; |
| 2071 | char **match_str; |
| 2072 | struct desc *desc; |
| 2073 | vector descvec; |
| 2074 | char *command; |
| 2075 | int lcd; |
| 2076 | |
| 2077 | if (vector_active(vline) == 0) { |
| 2078 | *status = CMD_ERR_NO_MATCH; |
Holger Hans Peter Freyther | 047213b | 2013-07-03 09:32:37 +0200 | [diff] [blame] | 2079 | vector_free(cmd_vector); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2080 | return NULL; |
| 2081 | } else |
| 2082 | index = vector_active(vline) - 1; |
| 2083 | |
| 2084 | /* First, filter by preceeding command string */ |
| 2085 | for (i = 0; i < index; i++) |
| 2086 | if ((command = vector_slot(vline, i))) { |
| 2087 | enum match_type match; |
| 2088 | int ret; |
| 2089 | |
| 2090 | /* First try completion match, if there is exactly match return 1 */ |
| 2091 | match = |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 2092 | cmd_filter(command, cmd_vector, i, ANY_MATCH); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2093 | |
| 2094 | /* If there is exact match then filter ambiguous match else check |
| 2095 | ambiguousness. */ |
| 2096 | if ((ret = |
| 2097 | is_cmd_ambiguous(command, cmd_vector, i, |
| 2098 | match)) == 1) { |
| 2099 | vector_free(cmd_vector); |
| 2100 | *status = CMD_ERR_AMBIGUOUS; |
| 2101 | return NULL; |
| 2102 | } |
| 2103 | /* |
| 2104 | else if (ret == 2) |
| 2105 | { |
| 2106 | vector_free (cmd_vector); |
| 2107 | *status = CMD_ERR_NO_MATCH; |
| 2108 | return NULL; |
| 2109 | } |
| 2110 | */ |
| 2111 | } |
| 2112 | |
| 2113 | /* Prepare match vector. */ |
| 2114 | matchvec = vector_init(INIT_MATCHVEC_SIZE); |
| 2115 | |
| 2116 | /* Now we got into completion */ |
| 2117 | for (i = 0; i < vector_active(cmd_vector); i++) |
| 2118 | if ((cmd_element = vector_slot(cmd_vector, i))) { |
| 2119 | const char *string; |
| 2120 | vector strvec = cmd_element->strvec; |
| 2121 | |
| 2122 | /* Check field length */ |
| 2123 | if (index >= vector_active(strvec)) |
| 2124 | vector_slot(cmd_vector, i) = NULL; |
| 2125 | else { |
| 2126 | unsigned int j; |
| 2127 | |
| 2128 | descvec = vector_slot(strvec, index); |
| 2129 | for (j = 0; j < vector_active(descvec); j++) |
| 2130 | if ((desc = vector_slot(descvec, j))) { |
Neels Hofmeyr | 9ea9dd0 | 2019-01-31 08:15:23 +0100 | [diff] [blame] | 2131 | const char *cmd = desc->cmd; |
| 2132 | char *tmp = NULL; |
| 2133 | |
| 2134 | if (CMD_OPTION(desc->cmd)) { |
| 2135 | tmp = cmd_deopt(tall_vty_cmd_ctx, desc->cmd); |
| 2136 | cmd = tmp; |
| 2137 | } |
| 2138 | if ((string = cmd_entry_function(vector_slot(vline, index), cmd))) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2139 | if (cmd_unique_string (matchvec, string)) |
| 2140 | vector_set (matchvec, talloc_strdup(tall_vty_cmd_ctx, string)); |
Neels Hofmeyr | 9ea9dd0 | 2019-01-31 08:15:23 +0100 | [diff] [blame] | 2141 | if (tmp) |
| 2142 | talloc_free(tmp); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2143 | } |
| 2144 | } |
| 2145 | } |
| 2146 | |
| 2147 | /* We don't need cmd_vector any more. */ |
| 2148 | vector_free(cmd_vector); |
| 2149 | |
| 2150 | /* No matched command */ |
| 2151 | if (vector_slot(matchvec, 0) == NULL) { |
| 2152 | vector_free(matchvec); |
| 2153 | |
| 2154 | /* In case of 'command \t' pattern. Do you need '?' command at |
| 2155 | the end of the line. */ |
Pau Espin Pedrol | 0f7bcb5 | 2017-11-02 19:08:14 +0100 | [diff] [blame] | 2156 | if (vector_slot(vline, index) == NULL) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2157 | *status = CMD_ERR_NOTHING_TODO; |
| 2158 | else |
| 2159 | *status = CMD_ERR_NO_MATCH; |
| 2160 | return NULL; |
| 2161 | } |
| 2162 | |
| 2163 | /* Only one matched */ |
| 2164 | if (vector_slot(matchvec, 1) == NULL) { |
| 2165 | match_str = (char **)matchvec->index; |
| 2166 | vector_only_wrapper_free(matchvec); |
| 2167 | *status = CMD_COMPLETE_FULL_MATCH; |
| 2168 | return match_str; |
| 2169 | } |
| 2170 | /* Make it sure last element is NULL. */ |
| 2171 | vector_set(matchvec, NULL); |
| 2172 | |
| 2173 | /* Check LCD of matched strings. */ |
| 2174 | if (vector_slot(vline, index) != NULL) { |
| 2175 | lcd = cmd_lcd((char **)matchvec->index); |
| 2176 | |
| 2177 | if (lcd) { |
| 2178 | int len = strlen(vector_slot(vline, index)); |
| 2179 | |
| 2180 | if (len < lcd) { |
| 2181 | char *lcdstr; |
| 2182 | |
| 2183 | lcdstr = _talloc_zero(tall_vty_cmd_ctx, lcd + 1, |
| 2184 | "complete-lcdstr"); |
| 2185 | memcpy(lcdstr, matchvec->index[0], lcd); |
| 2186 | lcdstr[lcd] = '\0'; |
| 2187 | |
| 2188 | /* match_str = (char **) &lcdstr; */ |
| 2189 | |
| 2190 | /* Free matchvec. */ |
| 2191 | for (i = 0; i < vector_active(matchvec); i++) { |
| 2192 | if (vector_slot(matchvec, i)) |
| 2193 | talloc_free(vector_slot(matchvec, i)); |
| 2194 | } |
| 2195 | vector_free(matchvec); |
| 2196 | |
| 2197 | /* Make new matchvec. */ |
| 2198 | matchvec = vector_init(INIT_MATCHVEC_SIZE); |
| 2199 | vector_set(matchvec, lcdstr); |
| 2200 | match_str = (char **)matchvec->index; |
| 2201 | vector_only_wrapper_free(matchvec); |
| 2202 | |
| 2203 | *status = CMD_COMPLETE_MATCH; |
| 2204 | return match_str; |
| 2205 | } |
| 2206 | } |
| 2207 | } |
| 2208 | |
| 2209 | match_str = (char **)matchvec->index; |
| 2210 | vector_only_wrapper_free(matchvec); |
| 2211 | *status = CMD_COMPLETE_LIST_MATCH; |
| 2212 | return match_str; |
| 2213 | } |
| 2214 | |
| 2215 | char **cmd_complete_command(vector vline, struct vty *vty, int *status) |
| 2216 | { |
| 2217 | char **ret; |
| 2218 | |
| 2219 | if (cmd_try_do_shortcut(vty->node, vector_slot(vline, 0))) { |
| 2220 | enum node_type onode; |
| 2221 | vector shifted_vline; |
| 2222 | unsigned int index; |
| 2223 | |
| 2224 | onode = vty->node; |
| 2225 | vty->node = ENABLE_NODE; |
| 2226 | /* We can try it on enable node, cos' the vty is authenticated */ |
| 2227 | |
| 2228 | shifted_vline = vector_init(vector_count(vline)); |
| 2229 | /* use memcpy? */ |
| 2230 | for (index = 1; index < vector_active(vline); index++) { |
| 2231 | vector_set_index(shifted_vline, index - 1, |
| 2232 | vector_lookup(vline, index)); |
| 2233 | } |
| 2234 | |
| 2235 | ret = cmd_complete_command_real(shifted_vline, vty, status); |
| 2236 | |
| 2237 | vector_free(shifted_vline); |
| 2238 | vty->node = onode; |
| 2239 | return ret; |
| 2240 | } |
| 2241 | |
| 2242 | return cmd_complete_command_real(vline, vty, status); |
| 2243 | } |
| 2244 | |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 2245 | static struct vty_parent_node *vty_parent(struct vty *vty) |
| 2246 | { |
| 2247 | return llist_first_entry_or_null(&vty->parent_nodes, |
| 2248 | struct vty_parent_node, |
| 2249 | entry); |
| 2250 | } |
| 2251 | |
| 2252 | static bool vty_pop_parent(struct vty *vty) |
| 2253 | { |
| 2254 | struct vty_parent_node *parent = vty_parent(vty); |
| 2255 | if (!parent) |
| 2256 | return false; |
| 2257 | llist_del(&parent->entry); |
| 2258 | vty->node = parent->node; |
| 2259 | vty->priv = parent->priv; |
| 2260 | if (vty->indent) |
| 2261 | talloc_free(vty->indent); |
| 2262 | vty->indent = parent->indent; |
| 2263 | talloc_free(parent); |
| 2264 | return true; |
| 2265 | } |
| 2266 | |
| 2267 | static void vty_clear_parents(struct vty *vty) |
| 2268 | { |
| 2269 | while (vty_pop_parent(vty)); |
| 2270 | } |
| 2271 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2272 | /* return parent node */ |
Jacob Erlbeck | b3657e1 | 2013-09-10 14:04:54 +0200 | [diff] [blame] | 2273 | /* |
| 2274 | * This function MUST eventually converge on a node when called repeatedly, |
| 2275 | * there must not be any cycles. |
| 2276 | * All 'config' nodes shall converge on CONFIG_NODE. |
| 2277 | * All other 'enable' nodes shall converge on ENABLE_NODE. |
| 2278 | * All 'view' only nodes shall converge on VIEW_NODE. |
| 2279 | * All other nodes shall converge on themselves or it must be ensured, |
| 2280 | * that the user's rights are not extended anyhow by calling this function. |
| 2281 | * |
| 2282 | * Note that these requirements also apply to all functions that are used |
| 2283 | * as go_parent_cb. |
| 2284 | * Note also that this function relies on the is_config_child callback to |
| 2285 | * recognize non-config nodes if go_parent_cb is not set. |
| 2286 | */ |
Holger Hans Peter Freyther | a9e5252 | 2015-08-02 02:14:07 +0000 | [diff] [blame] | 2287 | int vty_go_parent(struct vty *vty) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2288 | { |
Jacob Erlbeck | 7eed053 | 2013-09-06 16:51:59 +0200 | [diff] [blame] | 2289 | switch (vty->node) { |
Vadim Yanitskiy | b0bbd72 | 2020-08-15 22:59:46 +0700 | [diff] [blame] | 2290 | case AUTH_NODE: |
| 2291 | case VIEW_NODE: |
| 2292 | case ENABLE_NODE: |
| 2293 | case CONFIG_NODE: |
| 2294 | vty_clear_parents(vty); |
| 2295 | break; |
Jacob Erlbeck | 7eed053 | 2013-09-06 16:51:59 +0200 | [diff] [blame] | 2296 | |
Vadim Yanitskiy | b0bbd72 | 2020-08-15 22:59:46 +0700 | [diff] [blame] | 2297 | case AUTH_ENABLE_NODE: |
| 2298 | vty->node = VIEW_NODE; |
| 2299 | vty_clear_parents(vty); |
| 2300 | break; |
Jacob Erlbeck | b3657e1 | 2013-09-10 14:04:54 +0200 | [diff] [blame] | 2301 | |
Vadim Yanitskiy | b0bbd72 | 2020-08-15 22:59:46 +0700 | [diff] [blame] | 2302 | default: |
| 2303 | if (host.app_info->go_parent_cb) |
| 2304 | host.app_info->go_parent_cb(vty); |
| 2305 | vty_pop_parent(vty); |
| 2306 | break; |
Jacob Erlbeck | 7eed053 | 2013-09-06 16:51:59 +0200 | [diff] [blame] | 2307 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2308 | |
| 2309 | return vty->node; |
| 2310 | } |
| 2311 | |
| 2312 | /* Execute command by argument vline vector. */ |
| 2313 | static int |
| 2314 | cmd_execute_command_real(vector vline, struct vty *vty, |
| 2315 | struct cmd_element **cmd) |
| 2316 | { |
Pau Espin Pedrol | 7e1b03f | 2019-06-12 14:47:48 +0200 | [diff] [blame] | 2317 | unsigned int i, j; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2318 | unsigned int index; |
| 2319 | vector cmd_vector; |
| 2320 | struct cmd_element *cmd_element; |
| 2321 | struct cmd_element *matched_element; |
| 2322 | unsigned int matched_count, incomplete_count; |
| 2323 | int argc; |
| 2324 | const char *argv[CMD_ARGC_MAX]; |
| 2325 | enum match_type match = 0; |
| 2326 | int varflag; |
| 2327 | char *command; |
Pau Espin Pedrol | 7e1b03f | 2019-06-12 14:47:48 +0200 | [diff] [blame] | 2328 | int rc; |
| 2329 | /* Used for temporary storage of cmd_deopt() allocated arguments during |
| 2330 | argv[] generation */ |
| 2331 | void *cmd_deopt_ctx = NULL; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2332 | |
| 2333 | /* Make copy of command elements. */ |
| 2334 | cmd_vector = vector_copy(cmd_node_vector(cmdvec, vty->node)); |
| 2335 | |
Vadim Yanitskiy | f5781c9 | 2019-06-01 00:27:22 +0700 | [diff] [blame] | 2336 | for (index = 0; index < vector_active(vline); index++) { |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2337 | if ((command = vector_slot(vline, index))) { |
| 2338 | int ret; |
| 2339 | |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 2340 | match = cmd_filter(command, cmd_vector, index, |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 2341 | ANY_MATCH); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2342 | |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 2343 | if (match == VARARG_MATCH) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2344 | break; |
| 2345 | |
| 2346 | ret = |
| 2347 | is_cmd_ambiguous(command, cmd_vector, index, match); |
| 2348 | |
| 2349 | if (ret == 1) { |
| 2350 | vector_free(cmd_vector); |
| 2351 | return CMD_ERR_AMBIGUOUS; |
| 2352 | } else if (ret == 2) { |
| 2353 | vector_free(cmd_vector); |
| 2354 | return CMD_ERR_NO_MATCH; |
| 2355 | } |
| 2356 | } |
Vadim Yanitskiy | f5781c9 | 2019-06-01 00:27:22 +0700 | [diff] [blame] | 2357 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2358 | |
| 2359 | /* Check matched count. */ |
| 2360 | matched_element = NULL; |
| 2361 | matched_count = 0; |
| 2362 | incomplete_count = 0; |
| 2363 | |
Vadim Yanitskiy | f5781c9 | 2019-06-01 00:27:22 +0700 | [diff] [blame] | 2364 | for (i = 0; i < vector_active(cmd_vector); i++) { |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2365 | if ((cmd_element = vector_slot(cmd_vector, i))) { |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 2366 | if (match == VARARG_MATCH |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2367 | || index >= cmd_element->cmdsize) { |
| 2368 | matched_element = cmd_element; |
| 2369 | #if 0 |
| 2370 | printf("DEBUG: %s\n", cmd_element->string); |
| 2371 | #endif |
| 2372 | matched_count++; |
| 2373 | } else { |
| 2374 | incomplete_count++; |
| 2375 | } |
| 2376 | } |
Vadim Yanitskiy | f5781c9 | 2019-06-01 00:27:22 +0700 | [diff] [blame] | 2377 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2378 | |
| 2379 | /* Finish of using cmd_vector. */ |
| 2380 | vector_free(cmd_vector); |
| 2381 | |
| 2382 | /* To execute command, matched_count must be 1. */ |
| 2383 | if (matched_count == 0) { |
| 2384 | if (incomplete_count) |
| 2385 | return CMD_ERR_INCOMPLETE; |
| 2386 | else |
| 2387 | return CMD_ERR_NO_MATCH; |
| 2388 | } |
| 2389 | |
| 2390 | if (matched_count > 1) |
| 2391 | return CMD_ERR_AMBIGUOUS; |
| 2392 | |
| 2393 | /* Argument treatment */ |
| 2394 | varflag = 0; |
| 2395 | argc = 0; |
| 2396 | |
Pau Espin Pedrol | 7e1b03f | 2019-06-12 14:47:48 +0200 | [diff] [blame] | 2397 | cmd_deopt_ctx = talloc_named_const(tall_vty_cmd_ctx, 0, __func__); |
| 2398 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2399 | for (i = 0; i < vector_active(vline); i++) { |
Pau Espin Pedrol | 7e1b03f | 2019-06-12 14:47:48 +0200 | [diff] [blame] | 2400 | if (argc == CMD_ARGC_MAX) { |
| 2401 | rc = CMD_ERR_EXEED_ARGC_MAX; |
| 2402 | goto rc_free_deopt_ctx; |
| 2403 | } |
Pau Espin Pedrol | 8930ace | 2019-06-12 17:51:34 +0200 | [diff] [blame] | 2404 | if (varflag) { |
| 2405 | argv[argc++] = vector_slot(vline, i); |
| 2406 | continue; |
| 2407 | } |
| 2408 | |
| 2409 | vector descvec = vector_slot(matched_element->strvec, i); |
Pau Espin Pedrol | 32e6710 | 2019-06-12 18:35:46 +0200 | [diff] [blame] | 2410 | const char *tmp_cmd; |
Pau Espin Pedrol | 8930ace | 2019-06-12 17:51:34 +0200 | [diff] [blame] | 2411 | |
| 2412 | if (vector_active(descvec) == 1) { |
Pau Espin Pedrol | 32e6710 | 2019-06-12 18:35:46 +0200 | [diff] [blame] | 2413 | /* Single coice argument, no "(...|...)". */ |
Pau Espin Pedrol | 8930ace | 2019-06-12 17:51:34 +0200 | [diff] [blame] | 2414 | struct desc *desc = vector_slot(descvec, 0); |
| 2415 | |
Pau Espin Pedrol | 32e6710 | 2019-06-12 18:35:46 +0200 | [diff] [blame] | 2416 | if (CMD_OPTION(desc->cmd)) { |
| 2417 | /* we need to first remove the [] chars, then check to see what's inside (var or token) */ |
| 2418 | tmp_cmd = cmd_deopt(cmd_deopt_ctx, desc->cmd); |
| 2419 | } else { |
| 2420 | tmp_cmd = desc->cmd; |
| 2421 | } |
Pau Espin Pedrol | 8930ace | 2019-06-12 17:51:34 +0200 | [diff] [blame] | 2422 | |
Pau Espin Pedrol | 32e6710 | 2019-06-12 18:35:46 +0200 | [diff] [blame] | 2423 | if (CMD_VARARG(tmp_cmd)) |
| 2424 | varflag = 1; |
| 2425 | if (varflag || CMD_VARIABLE(tmp_cmd)) |
Pau Espin Pedrol | 8930ace | 2019-06-12 17:51:34 +0200 | [diff] [blame] | 2426 | argv[argc++] = vector_slot(vline, i); |
Pau Espin Pedrol | 32e6710 | 2019-06-12 18:35:46 +0200 | [diff] [blame] | 2427 | else if (CMD_OPTION(desc->cmd)) |
| 2428 | argv[argc++] = tmp_cmd; |
| 2429 | /* else : we don't want to add non-opt single-choice static args in argv[] */ |
Pau Espin Pedrol | 8930ace | 2019-06-12 17:51:34 +0200 | [diff] [blame] | 2430 | } else { |
Pau Espin Pedrol | 7e1b03f | 2019-06-12 14:47:48 +0200 | [diff] [blame] | 2431 | /* multi choice argument. look up which choice |
| 2432 | the user meant (can only be one after |
| 2433 | filtering and checking for ambigous). For instance, |
| 2434 | if user typed "th" for "(two|three)" arg, we |
| 2435 | want to pass "three" in argv[]. */ |
| 2436 | for (j = 0; j < vector_active(descvec); j++) { |
| 2437 | struct desc *desc = vector_slot(descvec, j); |
Pau Espin Pedrol | 7e1b03f | 2019-06-12 14:47:48 +0200 | [diff] [blame] | 2438 | if (!desc) |
| 2439 | continue; |
| 2440 | if (cmd_match(desc->cmd, vector_slot(vline, i), ANY_MATCH, true) == NO_MATCH) |
| 2441 | continue; |
| 2442 | if (CMD_OPTION(desc->cmd)) { |
| 2443 | /* we need to first remove the [] chars, then check to see what's inside (var or token) */ |
| 2444 | tmp_cmd = cmd_deopt(cmd_deopt_ctx, desc->cmd); |
| 2445 | } else { |
| 2446 | tmp_cmd = desc->cmd; |
| 2447 | } |
| 2448 | |
| 2449 | if(CMD_VARIABLE(tmp_cmd)) { |
| 2450 | argv[argc++] = vector_slot(vline, i); |
| 2451 | } else { |
| 2452 | argv[argc++] = tmp_cmd; |
| 2453 | } |
| 2454 | break; |
| 2455 | } |
Pau Espin Pedrol | 8930ace | 2019-06-12 17:51:34 +0200 | [diff] [blame] | 2456 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2457 | } |
| 2458 | |
| 2459 | /* For vtysh execution. */ |
| 2460 | if (cmd) |
| 2461 | *cmd = matched_element; |
| 2462 | |
| 2463 | if (matched_element->daemon) |
Pau Espin Pedrol | 7e1b03f | 2019-06-12 14:47:48 +0200 | [diff] [blame] | 2464 | rc = CMD_SUCCESS_DAEMON; |
Neels Hofmeyr | d31de23 | 2019-10-31 16:09:23 +0100 | [diff] [blame] | 2465 | else { |
| 2466 | /* Execute matched command. */ |
| 2467 | struct vty_parent_node this_node = { |
| 2468 | .node = vty->node, |
| 2469 | .priv = vty->priv, |
| 2470 | .indent = vty->indent, |
| 2471 | }; |
| 2472 | struct vty_parent_node *parent = vty_parent(vty); |
Pau Espin Pedrol | 7e1b03f | 2019-06-12 14:47:48 +0200 | [diff] [blame] | 2473 | rc = (*matched_element->func) (matched_element, vty, argc, argv); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2474 | |
Neels Hofmeyr | d31de23 | 2019-10-31 16:09:23 +0100 | [diff] [blame] | 2475 | /* If we have stepped down into a child node, push a parent frame. |
| 2476 | * The causality is such: we don't expect every single node entry implementation to push |
| 2477 | * a parent node entry onto vty->parent_nodes. Instead we expect vty_go_parent() to *pop* |
| 2478 | * a parent node. Hence if the node changed without the parent node changing, we must |
| 2479 | * have stepped into a child node. */ |
| 2480 | if (vty->node != this_node.node && parent == vty_parent(vty) |
| 2481 | && vty->node > CONFIG_NODE) { |
| 2482 | /* Push the parent node. */ |
| 2483 | parent = talloc_zero(vty, struct vty_parent_node); |
| 2484 | *parent = this_node; |
| 2485 | llist_add(&parent->entry, &vty->parent_nodes); |
| 2486 | } |
| 2487 | } |
| 2488 | |
Pau Espin Pedrol | 7e1b03f | 2019-06-12 14:47:48 +0200 | [diff] [blame] | 2489 | rc_free_deopt_ctx: |
| 2490 | /* Now after we called the command func, we can free temporary strings */ |
| 2491 | talloc_free(cmd_deopt_ctx); |
| 2492 | return rc; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2493 | } |
| 2494 | |
| 2495 | int |
| 2496 | cmd_execute_command(vector vline, struct vty *vty, struct cmd_element **cmd, |
| 2497 | int vtysh) |
| 2498 | { |
Neels Hofmeyr | d64b6ae | 2017-09-07 04:52:05 +0200 | [diff] [blame] | 2499 | int ret; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2500 | enum node_type onode; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2501 | |
| 2502 | onode = vty->node; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2503 | |
| 2504 | if (cmd_try_do_shortcut(vty->node, vector_slot(vline, 0))) { |
| 2505 | vector shifted_vline; |
| 2506 | unsigned int index; |
| 2507 | |
| 2508 | vty->node = ENABLE_NODE; |
| 2509 | /* We can try it on enable node, cos' the vty is authenticated */ |
| 2510 | |
| 2511 | shifted_vline = vector_init(vector_count(vline)); |
| 2512 | /* use memcpy? */ |
| 2513 | for (index = 1; index < vector_active(vline); index++) { |
| 2514 | vector_set_index(shifted_vline, index - 1, |
| 2515 | vector_lookup(vline, index)); |
| 2516 | } |
| 2517 | |
| 2518 | ret = cmd_execute_command_real(shifted_vline, vty, cmd); |
| 2519 | |
| 2520 | vector_free(shifted_vline); |
| 2521 | vty->node = onode; |
| 2522 | return ret; |
| 2523 | } |
| 2524 | |
Neels Hofmeyr | d64b6ae | 2017-09-07 04:52:05 +0200 | [diff] [blame] | 2525 | return cmd_execute_command_real(vline, vty, cmd); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2526 | } |
| 2527 | |
| 2528 | /* Execute command by argument readline. */ |
| 2529 | int |
| 2530 | cmd_execute_command_strict(vector vline, struct vty *vty, |
| 2531 | struct cmd_element **cmd) |
| 2532 | { |
| 2533 | unsigned int i; |
| 2534 | unsigned int index; |
| 2535 | vector cmd_vector; |
| 2536 | struct cmd_element *cmd_element; |
| 2537 | struct cmd_element *matched_element; |
| 2538 | unsigned int matched_count, incomplete_count; |
| 2539 | int argc; |
| 2540 | const char *argv[CMD_ARGC_MAX]; |
| 2541 | int varflag; |
| 2542 | enum match_type match = 0; |
| 2543 | char *command; |
| 2544 | |
| 2545 | /* Make copy of command element */ |
| 2546 | cmd_vector = vector_copy(cmd_node_vector(cmdvec, vty->node)); |
| 2547 | |
| 2548 | for (index = 0; index < vector_active(vline); index++) |
| 2549 | if ((command = vector_slot(vline, index))) { |
| 2550 | int ret; |
| 2551 | |
Sylvain Munaut | 4d8eea4 | 2012-12-28 11:58:23 +0100 | [diff] [blame] | 2552 | match = cmd_filter(vector_slot(vline, index), |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 2553 | cmd_vector, index, EXACT_MATCH); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2554 | |
| 2555 | /* If command meets '.VARARG' then finish matching. */ |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 2556 | if (match == VARARG_MATCH) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2557 | break; |
| 2558 | |
| 2559 | ret = |
| 2560 | is_cmd_ambiguous(command, cmd_vector, index, match); |
| 2561 | if (ret == 1) { |
| 2562 | vector_free(cmd_vector); |
| 2563 | return CMD_ERR_AMBIGUOUS; |
| 2564 | } |
| 2565 | if (ret == 2) { |
| 2566 | vector_free(cmd_vector); |
| 2567 | return CMD_ERR_NO_MATCH; |
| 2568 | } |
| 2569 | } |
| 2570 | |
| 2571 | /* Check matched count. */ |
| 2572 | matched_element = NULL; |
| 2573 | matched_count = 0; |
| 2574 | incomplete_count = 0; |
| 2575 | for (i = 0; i < vector_active(cmd_vector); i++) |
| 2576 | if (vector_slot(cmd_vector, i) != NULL) { |
| 2577 | cmd_element = vector_slot(cmd_vector, i); |
| 2578 | |
Pau Espin Pedrol | de89099 | 2019-06-12 12:27:32 +0200 | [diff] [blame] | 2579 | if (match == VARARG_MATCH |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2580 | || index >= cmd_element->cmdsize) { |
| 2581 | matched_element = cmd_element; |
| 2582 | matched_count++; |
| 2583 | } else |
| 2584 | incomplete_count++; |
| 2585 | } |
| 2586 | |
| 2587 | /* Finish of using cmd_vector. */ |
| 2588 | vector_free(cmd_vector); |
| 2589 | |
| 2590 | /* To execute command, matched_count must be 1. */ |
| 2591 | if (matched_count == 0) { |
| 2592 | if (incomplete_count) |
| 2593 | return CMD_ERR_INCOMPLETE; |
| 2594 | else |
| 2595 | return CMD_ERR_NO_MATCH; |
| 2596 | } |
| 2597 | |
| 2598 | if (matched_count > 1) |
| 2599 | return CMD_ERR_AMBIGUOUS; |
| 2600 | |
| 2601 | /* Argument treatment */ |
| 2602 | varflag = 0; |
| 2603 | argc = 0; |
| 2604 | |
| 2605 | for (i = 0; i < vector_active(vline); i++) { |
Pau Espin Pedrol | c17c6d6 | 2019-06-14 12:38:42 +0200 | [diff] [blame] | 2606 | if (argc == CMD_ARGC_MAX) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2607 | return CMD_ERR_EXEED_ARGC_MAX; |
Pau Espin Pedrol | 8930ace | 2019-06-12 17:51:34 +0200 | [diff] [blame] | 2608 | if (varflag) { |
| 2609 | argv[argc++] = vector_slot(vline, i); |
| 2610 | continue; |
| 2611 | } |
| 2612 | |
| 2613 | vector descvec = vector_slot(matched_element->strvec, i); |
| 2614 | |
| 2615 | if (vector_active(descvec) == 1) { |
| 2616 | struct desc *desc = vector_slot(descvec, 0); |
| 2617 | |
| 2618 | if (CMD_VARARG(desc->cmd)) |
| 2619 | varflag = 1; |
| 2620 | |
| 2621 | if (varflag || CMD_VARIABLE(desc->cmd) |
| 2622 | || CMD_OPTION(desc->cmd)) |
| 2623 | argv[argc++] = vector_slot(vline, i); |
| 2624 | } else { |
| 2625 | argv[argc++] = vector_slot(vline, i); |
| 2626 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2627 | } |
| 2628 | |
| 2629 | /* For vtysh execution. */ |
| 2630 | if (cmd) |
| 2631 | *cmd = matched_element; |
| 2632 | |
| 2633 | if (matched_element->daemon) |
| 2634 | return CMD_SUCCESS_DAEMON; |
| 2635 | |
| 2636 | /* Now execute matched command */ |
| 2637 | return (*matched_element->func) (matched_element, vty, argc, argv); |
| 2638 | } |
| 2639 | |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 2640 | static inline size_t len(const char *str) |
| 2641 | { |
| 2642 | return str? strlen(str) : 0; |
| 2643 | } |
| 2644 | |
Neels Hofmeyr | 00b5ed3 | 2017-09-20 00:46:03 +0200 | [diff] [blame] | 2645 | /*! Make sure the common length of strings a and b is identical, then compare their lengths. I.e., if a |
| 2646 | * is longer than b, a must start with exactly b, and vice versa. |
| 2647 | * \returns EINVAL on mismatch, -1 for a < b, 0 for a == b, 1 for a > b. |
| 2648 | */ |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 2649 | static int indent_cmp(const char *a, const char *b) |
| 2650 | { |
| 2651 | size_t al, bl; |
| 2652 | al = len(a); |
| 2653 | bl = len(b); |
| 2654 | if (al > bl) { |
| 2655 | if (bl && strncmp(a, b, bl) != 0) |
| 2656 | return EINVAL; |
| 2657 | return 1; |
| 2658 | } |
| 2659 | /* al <= bl */ |
| 2660 | if (al && strncmp(a, b, al) != 0) |
| 2661 | return EINVAL; |
| 2662 | return (al < bl)? -1 : 0; |
| 2663 | } |
| 2664 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2665 | /* Configration make from file. */ |
| 2666 | int config_from_file(struct vty *vty, FILE * fp) |
| 2667 | { |
| 2668 | int ret; |
| 2669 | vector vline; |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 2670 | char *indent; |
| 2671 | int cmp; |
| 2672 | struct vty_parent_node this_node; |
| 2673 | struct vty_parent_node *parent; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2674 | |
| 2675 | while (fgets(vty->buf, VTY_BUFSIZ, fp)) { |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 2676 | indent = NULL; |
| 2677 | vline = NULL; |
| 2678 | ret = cmd_make_strvec2(vty->buf, &indent, &vline); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2679 | |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 2680 | if (ret != CMD_SUCCESS) |
| 2681 | goto return_invalid_indent; |
| 2682 | |
| 2683 | /* In case of comment or empty line */ |
| 2684 | if (vline == NULL) { |
| 2685 | if (indent) { |
| 2686 | talloc_free(indent); |
| 2687 | indent = NULL; |
| 2688 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2689 | continue; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2690 | } |
| 2691 | |
Neels Hofmeyr | 4306363 | 2017-09-19 23:54:01 +0200 | [diff] [blame] | 2692 | /* We have a nonempty line. */ |
| 2693 | if (!vty->indent) { |
| 2694 | /* We have just entered a node and expecting the first child to come up; but we |
| 2695 | * may also skip right back to a parent or ancestor level. */ |
| 2696 | parent = vty_parent(vty); |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 2697 | |
Neels Hofmeyr | 4306363 | 2017-09-19 23:54:01 +0200 | [diff] [blame] | 2698 | /* If there is no parent, record any indentation we encounter. */ |
| 2699 | cmp = parent ? indent_cmp(indent, parent->indent) : 1; |
| 2700 | |
| 2701 | if (cmp == EINVAL) |
| 2702 | goto return_invalid_indent; |
| 2703 | |
| 2704 | if (cmp <= 0) { |
| 2705 | /* We have gone right back to the parent level or higher, we are skipping |
| 2706 | * this child node level entirely. Pop the parent to go back to a node |
| 2707 | * that was actually there (to reinstate vty->indent) and re-use below |
| 2708 | * go-parent while-loop to find an accurate match of indent in the node |
| 2709 | * ancestry. */ |
| 2710 | vty_go_parent(vty); |
| 2711 | } else { |
| 2712 | /* The indent is deeper than the just entered parent, record the new |
| 2713 | * indentation characters. */ |
| 2714 | vty->indent = talloc_strdup(vty, indent); |
| 2715 | /* This *is* the new indentation. */ |
| 2716 | cmp = 0; |
| 2717 | } |
| 2718 | } else { |
| 2719 | /* There is a known indentation for this node level, validate and detect node |
| 2720 | * exits. */ |
| 2721 | cmp = indent_cmp(indent, vty->indent); |
| 2722 | if (cmp == EINVAL) |
| 2723 | goto return_invalid_indent; |
| 2724 | } |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 2725 | |
| 2726 | /* Less indent: go up the parent nodes to find matching amount of less indent. When this |
| 2727 | * loop exits, we want to have found an exact match, i.e. cmp == 0. */ |
| 2728 | while (cmp < 0) { |
| 2729 | vty_go_parent(vty); |
| 2730 | cmp = indent_cmp(indent, vty->indent); |
| 2731 | if (cmp == EINVAL) |
| 2732 | goto return_invalid_indent; |
| 2733 | } |
| 2734 | |
| 2735 | /* More indent without having entered a child node level? Either the parent node's indent |
| 2736 | * wasn't hit exactly (e.g. there's a space more than the parent level had further above) |
| 2737 | * or the indentation increased even though the vty command didn't enter a child. */ |
| 2738 | if (cmp > 0) |
| 2739 | goto return_invalid_indent; |
| 2740 | |
| 2741 | /* Remember the current node before the command possibly changes it. */ |
| 2742 | this_node = (struct vty_parent_node){ |
| 2743 | .node = vty->node, |
| 2744 | .priv = vty->priv, |
| 2745 | .indent = vty->indent, |
| 2746 | }; |
| 2747 | |
| 2748 | parent = vty_parent(vty); |
| 2749 | ret = cmd_execute_command_strict(vline, vty, NULL); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2750 | cmd_free_strvec(vline); |
| 2751 | |
Pau Espin Pedrol | a0c8195 | 2019-10-22 18:38:01 +0200 | [diff] [blame] | 2752 | if (ret != CMD_SUCCESS && ret != CMD_ERR_NOTHING_TODO) { |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 2753 | if (indent) { |
| 2754 | talloc_free(indent); |
| 2755 | indent = NULL; |
| 2756 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2757 | return ret; |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 2758 | } |
| 2759 | |
| 2760 | /* If we have stepped down into a child node, push a parent frame. |
| 2761 | * The causality is such: we don't expect every single node entry implementation to push |
| 2762 | * a parent node entry onto vty->parent_nodes. Instead we expect vty_go_parent() to *pop* |
| 2763 | * a parent node. Hence if the node changed without the parent node changing, we must |
| 2764 | * have stepped into a child node (and now expect a deeper indent). */ |
| 2765 | if (vty->node != this_node.node && parent == vty_parent(vty)) { |
| 2766 | /* Push the parent node. */ |
| 2767 | parent = talloc_zero(vty, struct vty_parent_node); |
| 2768 | *parent = this_node; |
| 2769 | llist_add(&parent->entry, &vty->parent_nodes); |
| 2770 | |
| 2771 | /* The current talloc'ed vty->indent string will now be owned by this parent |
| 2772 | * struct. Indicate that we don't know what deeper indent characters the user |
| 2773 | * will choose. */ |
| 2774 | vty->indent = NULL; |
| 2775 | } |
| 2776 | |
| 2777 | if (indent) { |
| 2778 | talloc_free(indent); |
| 2779 | indent = NULL; |
| 2780 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2781 | } |
Pau Espin Pedrol | 0fd0fe6 | 2019-10-11 14:10:31 +0200 | [diff] [blame] | 2782 | /* Make sure we call go_parent_cb for all remaining indent levels at the end of file */ |
| 2783 | while (vty_parent(vty)) |
| 2784 | vty_go_parent(vty); |
| 2785 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2786 | return CMD_SUCCESS; |
Neels Hofmeyr | 4a31ffa | 2017-09-07 03:08:06 +0200 | [diff] [blame] | 2787 | |
| 2788 | return_invalid_indent: |
| 2789 | if (vline) |
| 2790 | cmd_free_strvec(vline); |
| 2791 | if (indent) { |
| 2792 | talloc_free(indent); |
| 2793 | indent = NULL; |
| 2794 | } |
| 2795 | return CMD_ERR_INVALID_INDENT; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2796 | } |
| 2797 | |
| 2798 | /* Configration from terminal */ |
| 2799 | DEFUN(config_terminal, |
| 2800 | config_terminal_cmd, |
| 2801 | "configure terminal", |
| 2802 | "Configuration from vty interface\n" "Configuration terminal\n") |
| 2803 | { |
| 2804 | if (vty_config_lock(vty)) |
| 2805 | vty->node = CONFIG_NODE; |
| 2806 | else { |
| 2807 | vty_out(vty, "VTY configuration is locked by other VTY%s", |
| 2808 | VTY_NEWLINE); |
| 2809 | return CMD_WARNING; |
| 2810 | } |
| 2811 | return CMD_SUCCESS; |
| 2812 | } |
| 2813 | |
| 2814 | /* Enable command */ |
| 2815 | DEFUN(enable, config_enable_cmd, "enable", "Turn on privileged mode command\n") |
| 2816 | { |
| 2817 | /* If enable password is NULL, change to ENABLE_NODE */ |
| 2818 | if ((host.enable == NULL && host.enable_encrypt == NULL) || |
| 2819 | vty->type == VTY_SHELL_SERV) |
| 2820 | vty->node = ENABLE_NODE; |
| 2821 | else |
| 2822 | vty->node = AUTH_ENABLE_NODE; |
| 2823 | |
| 2824 | return CMD_SUCCESS; |
| 2825 | } |
| 2826 | |
| 2827 | /* Disable command */ |
| 2828 | DEFUN(disable, |
| 2829 | config_disable_cmd, "disable", "Turn off privileged mode command\n") |
| 2830 | { |
| 2831 | if (vty->node == ENABLE_NODE) |
| 2832 | vty->node = VIEW_NODE; |
| 2833 | return CMD_SUCCESS; |
| 2834 | } |
| 2835 | |
| 2836 | /* Down vty node level. */ |
| 2837 | gDEFUN(config_exit, |
| 2838 | config_exit_cmd, "exit", "Exit current mode and down to previous mode\n") |
| 2839 | { |
| 2840 | switch (vty->node) { |
Jacob Erlbeck | b3657e1 | 2013-09-10 14:04:54 +0200 | [diff] [blame] | 2841 | case AUTH_NODE: |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2842 | case VIEW_NODE: |
| 2843 | case ENABLE_NODE: |
Harald Welte | a99d45a | 2015-11-12 13:48:23 +0100 | [diff] [blame] | 2844 | vty->status = VTY_CLOSE; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2845 | break; |
| 2846 | case CONFIG_NODE: |
| 2847 | vty->node = ENABLE_NODE; |
| 2848 | vty_config_unlock(vty); |
| 2849 | break; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2850 | default: |
Jacob Erlbeck | 7eed053 | 2013-09-06 16:51:59 +0200 | [diff] [blame] | 2851 | if (vty->node > CONFIG_NODE) |
| 2852 | vty_go_parent (vty); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2853 | break; |
| 2854 | } |
| 2855 | return CMD_SUCCESS; |
| 2856 | } |
| 2857 | |
| 2858 | /* End of configuration. */ |
| 2859 | gDEFUN(config_end, |
| 2860 | config_end_cmd, "end", "End current mode and change to enable mode.") |
| 2861 | { |
Jacob Erlbeck | 7eed053 | 2013-09-06 16:51:59 +0200 | [diff] [blame] | 2862 | if (vty->node > ENABLE_NODE) { |
Jacob Erlbeck | 2349721 | 2013-09-10 09:07:31 +0200 | [diff] [blame] | 2863 | int last_node = CONFIG_NODE; |
Jacob Erlbeck | 7eed053 | 2013-09-06 16:51:59 +0200 | [diff] [blame] | 2864 | |
| 2865 | /* Repeatedly call go_parent until a top node is reached. */ |
| 2866 | while (vty->node > CONFIG_NODE) { |
| 2867 | if (vty->node == last_node) { |
| 2868 | /* Ensure termination, this shouldn't happen. */ |
| 2869 | break; |
| 2870 | } |
| 2871 | last_node = vty->node; |
| 2872 | vty_go_parent(vty); |
| 2873 | } |
| 2874 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2875 | vty_config_unlock(vty); |
Jacob Erlbeck | 7eed053 | 2013-09-06 16:51:59 +0200 | [diff] [blame] | 2876 | if (vty->node > ENABLE_NODE) |
| 2877 | vty->node = ENABLE_NODE; |
| 2878 | vty->index = NULL; |
| 2879 | vty->index_sub = NULL; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2880 | } |
| 2881 | return CMD_SUCCESS; |
| 2882 | } |
| 2883 | |
| 2884 | /* Show version. */ |
| 2885 | DEFUN(show_version, |
| 2886 | show_version_cmd, "show version", SHOW_STR "Displays program version\n") |
| 2887 | { |
Harald Welte | 237f624 | 2010-05-25 23:00:45 +0200 | [diff] [blame] | 2888 | vty_out(vty, "%s %s (%s).%s", host.app_info->name, |
| 2889 | host.app_info->version, |
| 2890 | host.app_info->name ? host.app_info->name : "", VTY_NEWLINE); |
| 2891 | vty_out(vty, "%s%s", host.app_info->copyright, VTY_NEWLINE); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2892 | |
| 2893 | return CMD_SUCCESS; |
| 2894 | } |
| 2895 | |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 2896 | DEFUN(show_online_help, |
| 2897 | show_online_help_cmd, "show online-help", SHOW_STR "Online help\n") |
| 2898 | { |
Neels Hofmeyr | cf70aa0 | 2020-05-14 16:51:26 +0200 | [diff] [blame] | 2899 | vty_dump_xml_ref_to_vty(vty); |
Holger Hans Peter Freyther | 8297c81 | 2011-11-18 23:14:24 +0100 | [diff] [blame] | 2900 | return CMD_SUCCESS; |
| 2901 | } |
| 2902 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2903 | /* Help display function for all node. */ |
| 2904 | gDEFUN(config_help, |
| 2905 | config_help_cmd, "help", "Description of the interactive help system\n") |
| 2906 | { |
Vadim Yanitskiy | 1d7ae15 | 2020-08-12 16:52:35 +0700 | [diff] [blame] | 2907 | vty_out(vty, "This VTY provides advanced help features. When you need help,%s" |
| 2908 | "anytime at the command line please press '?'.%s%s" |
| 2909 | "If nothing matches, the help list will be empty and you must backup%s" |
| 2910 | " until entering a '?' shows the available options.%s" |
| 2911 | "Two styles of help are provided:%s" |
| 2912 | "1. Full help is available when you are ready to enter a%s" |
| 2913 | "command argument (e.g. 'show ?') and describes each possible%s" |
| 2914 | "argument.%s" |
| 2915 | "2. Partial help is provided when an abbreviated argument is entered%s" |
| 2916 | " and you want to know what arguments match the input%s" |
| 2917 | " (e.g. 'show me?'.)%s%s", |
| 2918 | VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, |
| 2919 | VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, |
| 2920 | VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, |
| 2921 | VTY_NEWLINE); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2922 | return CMD_SUCCESS; |
| 2923 | } |
| 2924 | |
| 2925 | /* Help display function for all node. */ |
| 2926 | gDEFUN(config_list, config_list_cmd, "list", "Print command list\n") |
| 2927 | { |
| 2928 | unsigned int i; |
| 2929 | struct cmd_node *cnode = vector_slot(cmdvec, vty->node); |
| 2930 | struct cmd_element *cmd; |
| 2931 | |
Vadim Yanitskiy | 6f50e21 | 2020-08-12 17:32:18 +0700 | [diff] [blame] | 2932 | for (i = 0; i < vector_active(cnode->cmd_vector); i++) { |
| 2933 | if ((cmd = vector_slot(cnode->cmd_vector, i)) == NULL) |
| 2934 | continue; |
| 2935 | if (cmd->attr & (CMD_ATTR_DEPRECATED | CMD_ATTR_HIDDEN)) |
| 2936 | continue; |
| 2937 | vty_out(vty, " %s%s", cmd->string, VTY_NEWLINE); |
| 2938 | } |
| 2939 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2940 | return CMD_SUCCESS; |
| 2941 | } |
| 2942 | |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 2943 | static int write_config_file(const char *config_file, char **outpath) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2944 | { |
| 2945 | unsigned int i; |
| 2946 | int fd; |
| 2947 | struct cmd_node *node; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2948 | char *config_file_tmp = NULL; |
| 2949 | char *config_file_sav = NULL; |
| 2950 | struct vty *file_vty; |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 2951 | struct stat st; |
| 2952 | |
| 2953 | *outpath = NULL; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2954 | |
Neels Hofmeyr | d65f3ea | 2018-03-28 16:12:45 +0200 | [diff] [blame] | 2955 | /* The string composition code here would be a case for talloc_asprintf(), but the pseudotalloc.c |
| 2956 | * talloc_asprintf() implementation would truncate a too-long path with "[...]", so doing it |
| 2957 | * manually instead. */ |
| 2958 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2959 | /* Check and see if we are operating under vtysh configuration */ |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2960 | config_file_sav = |
| 2961 | _talloc_zero(tall_vty_cmd_ctx, |
| 2962 | strlen(config_file) + strlen(CONF_BACKUP_EXT) + 1, |
| 2963 | "config_file_sav"); |
Neels Hofmeyr | d65f3ea | 2018-03-28 16:12:45 +0200 | [diff] [blame] | 2964 | if (!config_file_sav) |
| 2965 | return -1; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2966 | strcpy(config_file_sav, config_file); |
| 2967 | strcat(config_file_sav, CONF_BACKUP_EXT); |
| 2968 | |
| 2969 | config_file_tmp = _talloc_zero(tall_vty_cmd_ctx, strlen(config_file) + 8, |
Neels Hofmeyr | d65f3ea | 2018-03-28 16:12:45 +0200 | [diff] [blame] | 2970 | "config_file_tmp"); |
| 2971 | if (!config_file_tmp) { |
| 2972 | talloc_free(config_file_sav); |
| 2973 | return -1; |
| 2974 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2975 | sprintf(config_file_tmp, "%s.XXXXXX", config_file); |
| 2976 | |
| 2977 | /* Open file to configuration write. */ |
| 2978 | fd = mkstemp(config_file_tmp); |
| 2979 | if (fd < 0) { |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 2980 | *outpath = talloc_strdup(tall_vty_cmd_ctx, config_file_tmp); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2981 | talloc_free(config_file_tmp); |
| 2982 | talloc_free(config_file_sav); |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 2983 | return -1; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2984 | } |
| 2985 | |
| 2986 | /* Make vty for configuration file. */ |
| 2987 | file_vty = vty_new(); |
| 2988 | file_vty->fd = fd; |
| 2989 | file_vty->type = VTY_FILE; |
| 2990 | |
| 2991 | /* Config file header print. */ |
| 2992 | vty_out(file_vty, "!\n! %s (%s) configuration saved from vty\n!", |
Harald Welte | 237f624 | 2010-05-25 23:00:45 +0200 | [diff] [blame] | 2993 | host.app_info->name, host.app_info->version); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 2994 | //vty_time_print (file_vty, 1); |
| 2995 | vty_out(file_vty, "!\n"); |
| 2996 | |
| 2997 | for (i = 0; i < vector_active(cmdvec); i++) |
| 2998 | if ((node = vector_slot(cmdvec, i)) && node->func) { |
| 2999 | if ((*node->func) (file_vty)) |
| 3000 | vty_out(file_vty, "!\n"); |
| 3001 | } |
| 3002 | vty_close(file_vty); |
| 3003 | |
| 3004 | if (unlink(config_file_sav) != 0) |
| 3005 | if (errno != ENOENT) { |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 3006 | *outpath = talloc_strdup(tall_vty_cmd_ctx, config_file_sav); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 3007 | talloc_free(config_file_sav); |
| 3008 | talloc_free(config_file_tmp); |
| 3009 | unlink(config_file_tmp); |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 3010 | return -2; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 3011 | } |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 3012 | |
| 3013 | /* Only link the .sav file if the original file exists */ |
| 3014 | if (stat(config_file, &st) == 0) { |
| 3015 | if (link(config_file, config_file_sav) != 0) { |
| 3016 | *outpath = talloc_strdup(tall_vty_cmd_ctx, config_file_sav); |
| 3017 | talloc_free(config_file_sav); |
| 3018 | talloc_free(config_file_tmp); |
| 3019 | unlink(config_file_tmp); |
| 3020 | return -3; |
| 3021 | } |
| 3022 | sync(); |
| 3023 | if (unlink(config_file) != 0) { |
| 3024 | *outpath = talloc_strdup(tall_vty_cmd_ctx, config_file); |
| 3025 | talloc_free(config_file_sav); |
| 3026 | talloc_free(config_file_tmp); |
| 3027 | unlink(config_file_tmp); |
| 3028 | return -4; |
| 3029 | } |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 3030 | } |
| 3031 | if (link(config_file_tmp, config_file) != 0) { |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 3032 | *outpath = talloc_strdup(tall_vty_cmd_ctx, config_file); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 3033 | talloc_free(config_file_sav); |
| 3034 | talloc_free(config_file_tmp); |
| 3035 | unlink(config_file_tmp); |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 3036 | return -5; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 3037 | } |
| 3038 | unlink(config_file_tmp); |
| 3039 | sync(); |
| 3040 | |
| 3041 | talloc_free(config_file_sav); |
| 3042 | talloc_free(config_file_tmp); |
| 3043 | |
| 3044 | if (chmod(config_file, 0666 & ~CONFIGFILE_MASK) != 0) { |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 3045 | *outpath = talloc_strdup(tall_vty_cmd_ctx, config_file); |
| 3046 | return -6; |
| 3047 | } |
| 3048 | |
| 3049 | return 0; |
| 3050 | } |
| 3051 | |
| 3052 | |
| 3053 | /* Write current configuration into file. */ |
| 3054 | DEFUN(config_write_file, |
| 3055 | config_write_file_cmd, |
Pau Espin Pedrol | eda8b7b | 2019-09-26 19:30:47 +0200 | [diff] [blame] | 3056 | "write file [PATH]", |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 3057 | "Write running configuration to memory, network, or terminal\n" |
Pau Espin Pedrol | eda8b7b | 2019-09-26 19:30:47 +0200 | [diff] [blame] | 3058 | "Write to configuration file\n" |
| 3059 | "Set file path to store the config, or replace if already exists\n") |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 3060 | { |
| 3061 | char *failed_file; |
| 3062 | int rc; |
| 3063 | |
Holger Hans Peter Freyther | 9f0f978 | 2014-11-21 10:40:07 +0100 | [diff] [blame] | 3064 | if (host.app_info->config_is_consistent) { |
| 3065 | rc = host.app_info->config_is_consistent(vty); |
| 3066 | if (!rc) { |
| 3067 | vty_out(vty, "Configuration is not consistent%s", |
| 3068 | VTY_NEWLINE); |
| 3069 | return CMD_WARNING; |
| 3070 | } |
| 3071 | } |
| 3072 | |
Pau Espin Pedrol | eda8b7b | 2019-09-26 19:30:47 +0200 | [diff] [blame] | 3073 | if (argc == 1) |
| 3074 | host_config_set(argv[0]); |
| 3075 | |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 3076 | if (host.config == NULL) { |
| 3077 | vty_out(vty, "Can't save to configuration file, using vtysh.%s", |
| 3078 | VTY_NEWLINE); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 3079 | return CMD_WARNING; |
| 3080 | } |
| 3081 | |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 3082 | rc = write_config_file(host.config, &failed_file); |
| 3083 | switch (rc) { |
| 3084 | case -1: |
| 3085 | vty_out(vty, "Can't open configuration file %s.%s", |
| 3086 | failed_file, VTY_NEWLINE); |
| 3087 | rc = CMD_WARNING; |
| 3088 | break; |
| 3089 | case -2: |
| 3090 | vty_out(vty, "Can't unlink backup configuration file %s.%s", |
| 3091 | failed_file, VTY_NEWLINE); |
| 3092 | rc = CMD_WARNING; |
| 3093 | break; |
| 3094 | case -3: |
| 3095 | vty_out(vty, "Can't backup old configuration file %s.%s", |
| 3096 | failed_file, VTY_NEWLINE); |
| 3097 | rc = CMD_WARNING; |
| 3098 | break; |
| 3099 | case -4: |
| 3100 | vty_out(vty, "Can't unlink configuration file %s.%s", |
| 3101 | failed_file, VTY_NEWLINE); |
| 3102 | rc = CMD_WARNING; |
| 3103 | break; |
| 3104 | case -5: |
| 3105 | vty_out(vty, "Can't save configuration file %s.%s", failed_file, |
| 3106 | VTY_NEWLINE); |
| 3107 | rc = CMD_WARNING; |
| 3108 | break; |
| 3109 | case -6: |
| 3110 | vty_out(vty, "Can't chmod configuration file %s: %s (%d).%s", |
| 3111 | failed_file, strerror(errno), errno, VTY_NEWLINE); |
| 3112 | rc = CMD_WARNING; |
| 3113 | break; |
| 3114 | default: |
| 3115 | vty_out(vty, "Configuration saved to %s%s", host.config, VTY_NEWLINE); |
| 3116 | rc = CMD_SUCCESS; |
| 3117 | break; |
| 3118 | } |
| 3119 | |
| 3120 | talloc_free(failed_file); |
| 3121 | return rc; |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 3122 | } |
| 3123 | |
| 3124 | ALIAS(config_write_file, |
| 3125 | config_write_cmd, |
| 3126 | "write", "Write running configuration to memory, network, or terminal\n") |
| 3127 | |
| 3128 | ALIAS(config_write_file, |
| 3129 | config_write_memory_cmd, |
| 3130 | "write memory", |
| 3131 | "Write running configuration to memory, network, or terminal\n" |
| 3132 | "Write configuration to the file (same as write file)\n") |
| 3133 | |
| 3134 | ALIAS(config_write_file, |
| 3135 | copy_runningconfig_startupconfig_cmd, |
| 3136 | "copy running-config startup-config", |
| 3137 | "Copy configuration\n" |
| 3138 | "Copy running config to... \n" |
| 3139 | "Copy running config to startup config (same as write file)\n") |
| 3140 | |
| 3141 | /* Write current configuration into the terminal. */ |
| 3142 | DEFUN(config_write_terminal, |
| 3143 | config_write_terminal_cmd, |
| 3144 | "write terminal", |
| 3145 | "Write running configuration to memory, network, or terminal\n" |
| 3146 | "Write to terminal\n") |
| 3147 | { |
| 3148 | unsigned int i; |
| 3149 | struct cmd_node *node; |
| 3150 | |
| 3151 | if (vty->type == VTY_SHELL_SERV) { |
| 3152 | for (i = 0; i < vector_active(cmdvec); i++) |
| 3153 | if ((node = vector_slot(cmdvec, i)) && node->func |
| 3154 | && node->vtysh) { |
| 3155 | if ((*node->func) (vty)) |
| 3156 | vty_out(vty, "!%s", VTY_NEWLINE); |
| 3157 | } |
| 3158 | } else { |
| 3159 | vty_out(vty, "%sCurrent configuration:%s", VTY_NEWLINE, |
| 3160 | VTY_NEWLINE); |
| 3161 | vty_out(vty, "!%s", VTY_NEWLINE); |
| 3162 | |
| 3163 | for (i = 0; i < vector_active(cmdvec); i++) |
| 3164 | if ((node = vector_slot(cmdvec, i)) && node->func) { |
| 3165 | if ((*node->func) (vty)) |
| 3166 | vty_out(vty, "!%s", VTY_NEWLINE); |
| 3167 | } |
| 3168 | vty_out(vty, "end%s", VTY_NEWLINE); |
| 3169 | } |
| 3170 | return CMD_SUCCESS; |
| 3171 | } |
| 3172 | |
| 3173 | /* Write current configuration into the terminal. */ |
| 3174 | ALIAS(config_write_terminal, |
| 3175 | show_running_config_cmd, |
| 3176 | "show running-config", SHOW_STR "running configuration\n") |
| 3177 | |
| 3178 | /* Write startup configuration into the terminal. */ |
| 3179 | DEFUN(show_startup_config, |
| 3180 | show_startup_config_cmd, |
| 3181 | "show startup-config", SHOW_STR "Contentes of startup configuration\n") |
| 3182 | { |
| 3183 | char buf[BUFSIZ]; |
| 3184 | FILE *confp; |
| 3185 | |
| 3186 | confp = fopen(host.config, "r"); |
| 3187 | if (confp == NULL) { |
| 3188 | vty_out(vty, "Can't open configuration file [%s]%s", |
| 3189 | host.config, VTY_NEWLINE); |
| 3190 | return CMD_WARNING; |
| 3191 | } |
| 3192 | |
| 3193 | while (fgets(buf, BUFSIZ, confp)) { |
| 3194 | char *cp = buf; |
| 3195 | |
| 3196 | while (*cp != '\r' && *cp != '\n' && *cp != '\0') |
| 3197 | cp++; |
| 3198 | *cp = '\0'; |
| 3199 | |
| 3200 | vty_out(vty, "%s%s", buf, VTY_NEWLINE); |
| 3201 | } |
| 3202 | |
| 3203 | fclose(confp); |
| 3204 | |
| 3205 | return CMD_SUCCESS; |
| 3206 | } |
| 3207 | |
| 3208 | /* Hostname configuration */ |
| 3209 | DEFUN(config_hostname, |
| 3210 | hostname_cmd, |
| 3211 | "hostname WORD", |
| 3212 | "Set system's network name\n" "This system's network name\n") |
| 3213 | { |
| 3214 | if (!isalpha((int)*argv[0])) { |
| 3215 | vty_out(vty, "Please specify string starting with alphabet%s", |
| 3216 | VTY_NEWLINE); |
| 3217 | return CMD_WARNING; |
| 3218 | } |
| 3219 | |
| 3220 | if (host.name) |
| 3221 | talloc_free(host.name); |
| 3222 | |
| 3223 | host.name = talloc_strdup(tall_vty_cmd_ctx, argv[0]); |
| 3224 | return CMD_SUCCESS; |
| 3225 | } |
| 3226 | |
| 3227 | DEFUN(config_no_hostname, |
| 3228 | no_hostname_cmd, |
| 3229 | "no hostname [HOSTNAME]", |
| 3230 | NO_STR "Reset system's network name\n" "Host name of this router\n") |
| 3231 | { |
| 3232 | if (host.name) |
| 3233 | talloc_free(host.name); |
| 3234 | host.name = NULL; |
| 3235 | return CMD_SUCCESS; |
| 3236 | } |
| 3237 | |
| 3238 | /* VTY interface password set. */ |
| 3239 | DEFUN(config_password, password_cmd, |
| 3240 | "password (8|) WORD", |
| 3241 | "Assign the terminal connection password\n" |
| 3242 | "Specifies a HIDDEN password will follow\n" |
| 3243 | "dummy string \n" "The HIDDEN line password string\n") |
| 3244 | { |
| 3245 | /* Argument check. */ |
| 3246 | if (argc == 0) { |
| 3247 | vty_out(vty, "Please specify password.%s", VTY_NEWLINE); |
| 3248 | return CMD_WARNING; |
| 3249 | } |
| 3250 | |
| 3251 | if (argc == 2) { |
| 3252 | if (*argv[0] == '8') { |
| 3253 | if (host.password) |
| 3254 | talloc_free(host.password); |
| 3255 | host.password = NULL; |
| 3256 | if (host.password_encrypt) |
| 3257 | talloc_free(host.password_encrypt); |
| 3258 | host.password_encrypt = talloc_strdup(tall_vty_cmd_ctx, argv[1]); |
| 3259 | return CMD_SUCCESS; |
| 3260 | } else { |
| 3261 | vty_out(vty, "Unknown encryption type.%s", VTY_NEWLINE); |
| 3262 | return CMD_WARNING; |
| 3263 | } |
| 3264 | } |
| 3265 | |
| 3266 | if (!isalnum((int)*argv[0])) { |
| 3267 | vty_out(vty, |
| 3268 | "Please specify string starting with alphanumeric%s", |
| 3269 | VTY_NEWLINE); |
| 3270 | return CMD_WARNING; |
| 3271 | } |
| 3272 | |
| 3273 | if (host.password) |
| 3274 | talloc_free(host.password); |
| 3275 | host.password = NULL; |
| 3276 | |
| 3277 | #ifdef VTY_CRYPT_PW |
| 3278 | if (host.encrypt) { |
| 3279 | if (host.password_encrypt) |
| 3280 | talloc_free(host.password_encrypt); |
| 3281 | host.password_encrypt = talloc_strdup(tall_vty_cmd_ctx, zencrypt(argv[0])); |
| 3282 | } else |
| 3283 | #endif |
| 3284 | host.password = talloc_strdup(tall_vty_cmd_ctx, argv[0]); |
| 3285 | |
| 3286 | return CMD_SUCCESS; |
| 3287 | } |
| 3288 | |
| 3289 | ALIAS(config_password, password_text_cmd, |
| 3290 | "password LINE", |
| 3291 | "Assign the terminal connection password\n" |
| 3292 | "The UNENCRYPTED (cleartext) line password\n") |
| 3293 | |
| 3294 | /* VTY enable password set. */ |
| 3295 | DEFUN(config_enable_password, enable_password_cmd, |
| 3296 | "enable password (8|) WORD", |
| 3297 | "Modify enable password parameters\n" |
| 3298 | "Assign the privileged level password\n" |
| 3299 | "Specifies a HIDDEN password will follow\n" |
| 3300 | "dummy string \n" "The HIDDEN 'enable' password string\n") |
| 3301 | { |
| 3302 | /* Argument check. */ |
| 3303 | if (argc == 0) { |
| 3304 | vty_out(vty, "Please specify password.%s", VTY_NEWLINE); |
| 3305 | return CMD_WARNING; |
| 3306 | } |
| 3307 | |
| 3308 | /* Crypt type is specified. */ |
| 3309 | if (argc == 2) { |
| 3310 | if (*argv[0] == '8') { |
| 3311 | if (host.enable) |
| 3312 | talloc_free(host.enable); |
| 3313 | host.enable = NULL; |
| 3314 | |
| 3315 | if (host.enable_encrypt) |
| 3316 | talloc_free(host.enable_encrypt); |
| 3317 | host.enable_encrypt = talloc_strdup(tall_vty_cmd_ctx, argv[1]); |
| 3318 | |
| 3319 | return CMD_SUCCESS; |
| 3320 | } else { |
| 3321 | vty_out(vty, "Unknown encryption type.%s", VTY_NEWLINE); |
| 3322 | return CMD_WARNING; |
| 3323 | } |
| 3324 | } |
| 3325 | |
| 3326 | if (!isalnum((int)*argv[0])) { |
| 3327 | vty_out(vty, |
| 3328 | "Please specify string starting with alphanumeric%s", |
| 3329 | VTY_NEWLINE); |
| 3330 | return CMD_WARNING; |
| 3331 | } |
| 3332 | |
| 3333 | if (host.enable) |
| 3334 | talloc_free(host.enable); |
| 3335 | host.enable = NULL; |
| 3336 | |
| 3337 | /* Plain password input. */ |
| 3338 | #ifdef VTY_CRYPT_PW |
| 3339 | if (host.encrypt) { |
| 3340 | if (host.enable_encrypt) |
| 3341 | talloc_free(host.enable_encrypt); |
| 3342 | host.enable_encrypt = talloc_strdup(tall_vty_cmd_ctx, zencrypt(argv[0])); |
| 3343 | } else |
| 3344 | #endif |
| 3345 | host.enable = talloc_strdup(tall_vty_cmd_ctx, argv[0]); |
| 3346 | |
| 3347 | return CMD_SUCCESS; |
| 3348 | } |
| 3349 | |
| 3350 | ALIAS(config_enable_password, |
| 3351 | enable_password_text_cmd, |
| 3352 | "enable password LINE", |
| 3353 | "Modify enable password parameters\n" |
| 3354 | "Assign the privileged level password\n" |
| 3355 | "The UNENCRYPTED (cleartext) 'enable' password\n") |
| 3356 | |
| 3357 | /* VTY enable password delete. */ |
| 3358 | DEFUN(no_config_enable_password, no_enable_password_cmd, |
| 3359 | "no enable password", |
| 3360 | NO_STR |
| 3361 | "Modify enable password parameters\n" |
| 3362 | "Assign the privileged level password\n") |
| 3363 | { |
| 3364 | if (host.enable) |
| 3365 | talloc_free(host.enable); |
| 3366 | host.enable = NULL; |
| 3367 | |
| 3368 | if (host.enable_encrypt) |
| 3369 | talloc_free(host.enable_encrypt); |
| 3370 | host.enable_encrypt = NULL; |
| 3371 | |
| 3372 | return CMD_SUCCESS; |
| 3373 | } |
| 3374 | |
| 3375 | #ifdef VTY_CRYPT_PW |
| 3376 | DEFUN(service_password_encrypt, |
| 3377 | service_password_encrypt_cmd, |
| 3378 | "service password-encryption", |
| 3379 | "Set up miscellaneous service\n" "Enable encrypted passwords\n") |
| 3380 | { |
| 3381 | if (host.encrypt) |
| 3382 | return CMD_SUCCESS; |
| 3383 | |
| 3384 | host.encrypt = 1; |
| 3385 | |
| 3386 | if (host.password) { |
| 3387 | if (host.password_encrypt) |
| 3388 | talloc_free(host.password_encrypt); |
| 3389 | host.password_encrypt = talloc_strdup(tall_vty_cmd_ctx, zencrypt(host.password)); |
| 3390 | } |
| 3391 | if (host.enable) { |
| 3392 | if (host.enable_encrypt) |
| 3393 | talloc_free(host.enable_encrypt); |
| 3394 | host.enable_encrypt = talloc_strdup(tall_vty_cmd_ctx, zencrypt(host.enable)); |
| 3395 | } |
| 3396 | |
| 3397 | return CMD_SUCCESS; |
| 3398 | } |
| 3399 | |
| 3400 | DEFUN(no_service_password_encrypt, |
| 3401 | no_service_password_encrypt_cmd, |
| 3402 | "no service password-encryption", |
| 3403 | NO_STR "Set up miscellaneous service\n" "Enable encrypted passwords\n") |
| 3404 | { |
| 3405 | if (!host.encrypt) |
| 3406 | return CMD_SUCCESS; |
| 3407 | |
| 3408 | host.encrypt = 0; |
| 3409 | |
| 3410 | if (host.password_encrypt) |
| 3411 | talloc_free(host.password_encrypt); |
| 3412 | host.password_encrypt = NULL; |
| 3413 | |
| 3414 | if (host.enable_encrypt) |
| 3415 | talloc_free(host.enable_encrypt); |
| 3416 | host.enable_encrypt = NULL; |
| 3417 | |
| 3418 | return CMD_SUCCESS; |
| 3419 | } |
| 3420 | #endif |
| 3421 | |
| 3422 | DEFUN(config_terminal_length, config_terminal_length_cmd, |
| 3423 | "terminal length <0-512>", |
| 3424 | "Set terminal line parameters\n" |
| 3425 | "Set number of lines on a screen\n" |
| 3426 | "Number of lines on screen (0 for no pausing)\n") |
| 3427 | { |
| 3428 | int lines; |
| 3429 | char *endptr = NULL; |
| 3430 | |
| 3431 | lines = strtol(argv[0], &endptr, 10); |
| 3432 | if (lines < 0 || lines > 512 || *endptr != '\0') { |
| 3433 | vty_out(vty, "length is malformed%s", VTY_NEWLINE); |
| 3434 | return CMD_WARNING; |
| 3435 | } |
| 3436 | vty->lines = lines; |
| 3437 | |
| 3438 | return CMD_SUCCESS; |
| 3439 | } |
| 3440 | |
| 3441 | DEFUN(config_terminal_no_length, config_terminal_no_length_cmd, |
| 3442 | "terminal no length", |
| 3443 | "Set terminal line parameters\n" |
| 3444 | NO_STR "Set number of lines on a screen\n") |
| 3445 | { |
| 3446 | vty->lines = -1; |
| 3447 | return CMD_SUCCESS; |
| 3448 | } |
| 3449 | |
| 3450 | DEFUN(service_terminal_length, service_terminal_length_cmd, |
| 3451 | "service terminal-length <0-512>", |
| 3452 | "Set up miscellaneous service\n" |
| 3453 | "System wide terminal length configuration\n" |
| 3454 | "Number of lines of VTY (0 means no line control)\n") |
| 3455 | { |
| 3456 | int lines; |
| 3457 | char *endptr = NULL; |
| 3458 | |
| 3459 | lines = strtol(argv[0], &endptr, 10); |
| 3460 | if (lines < 0 || lines > 512 || *endptr != '\0') { |
| 3461 | vty_out(vty, "length is malformed%s", VTY_NEWLINE); |
| 3462 | return CMD_WARNING; |
| 3463 | } |
| 3464 | host.lines = lines; |
| 3465 | |
| 3466 | return CMD_SUCCESS; |
| 3467 | } |
| 3468 | |
| 3469 | DEFUN(no_service_terminal_length, no_service_terminal_length_cmd, |
| 3470 | "no service terminal-length [<0-512>]", |
| 3471 | NO_STR |
| 3472 | "Set up miscellaneous service\n" |
| 3473 | "System wide terminal length configuration\n" |
| 3474 | "Number of lines of VTY (0 means no line control)\n") |
| 3475 | { |
| 3476 | host.lines = -1; |
| 3477 | return CMD_SUCCESS; |
| 3478 | } |
| 3479 | |
| 3480 | DEFUN_HIDDEN(do_echo, |
| 3481 | echo_cmd, |
| 3482 | "echo .MESSAGE", |
| 3483 | "Echo a message back to the vty\n" "The message to echo\n") |
| 3484 | { |
| 3485 | char *message; |
| 3486 | |
| 3487 | vty_out(vty, "%s%s", |
| 3488 | ((message = |
| 3489 | argv_concat(argv, argc, 0)) ? message : ""), VTY_NEWLINE); |
| 3490 | if (message) |
| 3491 | talloc_free(message); |
| 3492 | return CMD_SUCCESS; |
| 3493 | } |
| 3494 | |
| 3495 | #if 0 |
| 3496 | DEFUN(config_logmsg, |
| 3497 | config_logmsg_cmd, |
| 3498 | "logmsg " LOG_LEVELS " .MESSAGE", |
| 3499 | "Send a message to enabled logging destinations\n" |
| 3500 | LOG_LEVEL_DESC "The message to send\n") |
| 3501 | { |
| 3502 | int level; |
| 3503 | char *message; |
| 3504 | |
| 3505 | if ((level = level_match(argv[0])) == ZLOG_DISABLED) |
| 3506 | return CMD_ERR_NO_MATCH; |
| 3507 | |
| 3508 | zlog(NULL, level, |
| 3509 | ((message = argv_concat(argv, argc, 1)) ? message : "")); |
| 3510 | if (message) |
| 3511 | talloc_free(message); |
| 3512 | return CMD_SUCCESS; |
| 3513 | } |
| 3514 | |
| 3515 | DEFUN(show_logging, |
| 3516 | show_logging_cmd, |
| 3517 | "show logging", SHOW_STR "Show current logging configuration\n") |
| 3518 | { |
| 3519 | struct zlog *zl = zlog_default; |
| 3520 | |
| 3521 | vty_out(vty, "Syslog logging: "); |
| 3522 | if (zl->maxlvl[ZLOG_DEST_SYSLOG] == ZLOG_DISABLED) |
| 3523 | vty_out(vty, "disabled"); |
| 3524 | else |
| 3525 | vty_out(vty, "level %s, facility %s, ident %s", |
| 3526 | zlog_priority[zl->maxlvl[ZLOG_DEST_SYSLOG]], |
| 3527 | facility_name(zl->facility), zl->ident); |
| 3528 | vty_out(vty, "%s", VTY_NEWLINE); |
| 3529 | |
| 3530 | vty_out(vty, "Stdout logging: "); |
| 3531 | if (zl->maxlvl[ZLOG_DEST_STDOUT] == ZLOG_DISABLED) |
| 3532 | vty_out(vty, "disabled"); |
| 3533 | else |
| 3534 | vty_out(vty, "level %s", |
| 3535 | zlog_priority[zl->maxlvl[ZLOG_DEST_STDOUT]]); |
| 3536 | vty_out(vty, "%s", VTY_NEWLINE); |
| 3537 | |
| 3538 | vty_out(vty, "Monitor logging: "); |
| 3539 | if (zl->maxlvl[ZLOG_DEST_MONITOR] == ZLOG_DISABLED) |
| 3540 | vty_out(vty, "disabled"); |
| 3541 | else |
| 3542 | vty_out(vty, "level %s", |
| 3543 | zlog_priority[zl->maxlvl[ZLOG_DEST_MONITOR]]); |
| 3544 | vty_out(vty, "%s", VTY_NEWLINE); |
| 3545 | |
| 3546 | vty_out(vty, "File logging: "); |
| 3547 | if ((zl->maxlvl[ZLOG_DEST_FILE] == ZLOG_DISABLED) || !zl->fp) |
| 3548 | vty_out(vty, "disabled"); |
| 3549 | else |
| 3550 | vty_out(vty, "level %s, filename %s", |
| 3551 | zlog_priority[zl->maxlvl[ZLOG_DEST_FILE]], |
| 3552 | zl->filename); |
| 3553 | vty_out(vty, "%s", VTY_NEWLINE); |
| 3554 | |
| 3555 | vty_out(vty, "Protocol name: %s%s", |
| 3556 | zlog_proto_names[zl->protocol], VTY_NEWLINE); |
| 3557 | vty_out(vty, "Record priority: %s%s", |
| 3558 | (zl->record_priority ? "enabled" : "disabled"), VTY_NEWLINE); |
| 3559 | |
| 3560 | return CMD_SUCCESS; |
| 3561 | } |
| 3562 | |
| 3563 | DEFUN(config_log_stdout, |
| 3564 | config_log_stdout_cmd, |
| 3565 | "log stdout", "Logging control\n" "Set stdout logging level\n") |
| 3566 | { |
| 3567 | zlog_set_level(NULL, ZLOG_DEST_STDOUT, zlog_default->default_lvl); |
| 3568 | return CMD_SUCCESS; |
| 3569 | } |
| 3570 | |
| 3571 | DEFUN(config_log_stdout_level, |
| 3572 | config_log_stdout_level_cmd, |
| 3573 | "log stdout " LOG_LEVELS, |
| 3574 | "Logging control\n" "Set stdout logging level\n" LOG_LEVEL_DESC) |
| 3575 | { |
| 3576 | int level; |
| 3577 | |
| 3578 | if ((level = level_match(argv[0])) == ZLOG_DISABLED) |
| 3579 | return CMD_ERR_NO_MATCH; |
| 3580 | zlog_set_level(NULL, ZLOG_DEST_STDOUT, level); |
| 3581 | return CMD_SUCCESS; |
| 3582 | } |
| 3583 | |
| 3584 | DEFUN(no_config_log_stdout, |
| 3585 | no_config_log_stdout_cmd, |
| 3586 | "no log stdout [LEVEL]", |
| 3587 | NO_STR "Logging control\n" "Cancel logging to stdout\n" "Logging level\n") |
| 3588 | { |
| 3589 | zlog_set_level(NULL, ZLOG_DEST_STDOUT, ZLOG_DISABLED); |
| 3590 | return CMD_SUCCESS; |
| 3591 | } |
| 3592 | |
| 3593 | DEFUN(config_log_monitor, |
| 3594 | config_log_monitor_cmd, |
| 3595 | "log monitor", |
| 3596 | "Logging control\n" "Set terminal line (monitor) logging level\n") |
| 3597 | { |
| 3598 | zlog_set_level(NULL, ZLOG_DEST_MONITOR, zlog_default->default_lvl); |
| 3599 | return CMD_SUCCESS; |
| 3600 | } |
| 3601 | |
| 3602 | DEFUN(config_log_monitor_level, |
| 3603 | config_log_monitor_level_cmd, |
| 3604 | "log monitor " LOG_LEVELS, |
| 3605 | "Logging control\n" |
| 3606 | "Set terminal line (monitor) logging level\n" LOG_LEVEL_DESC) |
| 3607 | { |
| 3608 | int level; |
| 3609 | |
| 3610 | if ((level = level_match(argv[0])) == ZLOG_DISABLED) |
| 3611 | return CMD_ERR_NO_MATCH; |
| 3612 | zlog_set_level(NULL, ZLOG_DEST_MONITOR, level); |
| 3613 | return CMD_SUCCESS; |
| 3614 | } |
| 3615 | |
| 3616 | DEFUN(no_config_log_monitor, |
| 3617 | no_config_log_monitor_cmd, |
| 3618 | "no log monitor [LEVEL]", |
| 3619 | NO_STR |
| 3620 | "Logging control\n" |
| 3621 | "Disable terminal line (monitor) logging\n" "Logging level\n") |
| 3622 | { |
| 3623 | zlog_set_level(NULL, ZLOG_DEST_MONITOR, ZLOG_DISABLED); |
| 3624 | return CMD_SUCCESS; |
| 3625 | } |
| 3626 | |
| 3627 | static int set_log_file(struct vty *vty, const char *fname, int loglevel) |
| 3628 | { |
| 3629 | int ret; |
| 3630 | char *p = NULL; |
| 3631 | const char *fullpath; |
| 3632 | |
| 3633 | /* Path detection. */ |
| 3634 | if (!IS_DIRECTORY_SEP(*fname)) { |
| 3635 | char cwd[MAXPATHLEN + 1]; |
| 3636 | cwd[MAXPATHLEN] = '\0'; |
| 3637 | |
| 3638 | if (getcwd(cwd, MAXPATHLEN) == NULL) { |
| 3639 | zlog_err("config_log_file: Unable to alloc mem!"); |
| 3640 | return CMD_WARNING; |
| 3641 | } |
| 3642 | |
| 3643 | if ((p = _talloc_zero(tall_vcmd_ctx, |
| 3644 | strlen(cwd) + strlen(fname) + 2), |
| 3645 | "set_log_file") |
| 3646 | == NULL) { |
| 3647 | zlog_err("config_log_file: Unable to alloc mem!"); |
| 3648 | return CMD_WARNING; |
| 3649 | } |
| 3650 | sprintf(p, "%s/%s", cwd, fname); |
| 3651 | fullpath = p; |
| 3652 | } else |
| 3653 | fullpath = fname; |
| 3654 | |
| 3655 | ret = zlog_set_file(NULL, fullpath, loglevel); |
| 3656 | |
| 3657 | if (p) |
| 3658 | talloc_free(p); |
| 3659 | |
| 3660 | if (!ret) { |
| 3661 | vty_out(vty, "can't open logfile %s\n", fname); |
| 3662 | return CMD_WARNING; |
| 3663 | } |
| 3664 | |
| 3665 | if (host.logfile) |
| 3666 | talloc_free(host.logfile); |
| 3667 | |
| 3668 | host.logfile = talloc_strdup(tall_vty_cmd_ctx, fname); |
| 3669 | |
| 3670 | return CMD_SUCCESS; |
| 3671 | } |
| 3672 | |
| 3673 | DEFUN(config_log_file, |
| 3674 | config_log_file_cmd, |
| 3675 | "log file FILENAME", |
| 3676 | "Logging control\n" "Logging to file\n" "Logging filename\n") |
| 3677 | { |
| 3678 | return set_log_file(vty, argv[0], zlog_default->default_lvl); |
| 3679 | } |
| 3680 | |
| 3681 | DEFUN(config_log_file_level, |
| 3682 | config_log_file_level_cmd, |
| 3683 | "log file FILENAME " LOG_LEVELS, |
| 3684 | "Logging control\n" |
| 3685 | "Logging to file\n" "Logging filename\n" LOG_LEVEL_DESC) |
| 3686 | { |
| 3687 | int level; |
| 3688 | |
| 3689 | if ((level = level_match(argv[1])) == ZLOG_DISABLED) |
| 3690 | return CMD_ERR_NO_MATCH; |
| 3691 | return set_log_file(vty, argv[0], level); |
| 3692 | } |
| 3693 | |
| 3694 | DEFUN(no_config_log_file, |
| 3695 | no_config_log_file_cmd, |
| 3696 | "no log file [FILENAME]", |
| 3697 | NO_STR |
| 3698 | "Logging control\n" "Cancel logging to file\n" "Logging file name\n") |
| 3699 | { |
| 3700 | zlog_reset_file(NULL); |
| 3701 | |
| 3702 | if (host.logfile) |
| 3703 | talloc_free(host.logfile); |
| 3704 | |
| 3705 | host.logfile = NULL; |
| 3706 | |
| 3707 | return CMD_SUCCESS; |
| 3708 | } |
| 3709 | |
| 3710 | ALIAS(no_config_log_file, |
| 3711 | no_config_log_file_level_cmd, |
| 3712 | "no log file FILENAME LEVEL", |
| 3713 | NO_STR |
| 3714 | "Logging control\n" |
| 3715 | "Cancel logging to file\n" "Logging file name\n" "Logging level\n") |
| 3716 | |
| 3717 | DEFUN(config_log_syslog, |
| 3718 | config_log_syslog_cmd, |
| 3719 | "log syslog", "Logging control\n" "Set syslog logging level\n") |
| 3720 | { |
| 3721 | zlog_set_level(NULL, ZLOG_DEST_SYSLOG, zlog_default->default_lvl); |
| 3722 | return CMD_SUCCESS; |
| 3723 | } |
| 3724 | |
| 3725 | DEFUN(config_log_syslog_level, |
| 3726 | config_log_syslog_level_cmd, |
| 3727 | "log syslog " LOG_LEVELS, |
| 3728 | "Logging control\n" "Set syslog logging level\n" LOG_LEVEL_DESC) |
| 3729 | { |
| 3730 | int level; |
| 3731 | |
| 3732 | if ((level = level_match(argv[0])) == ZLOG_DISABLED) |
| 3733 | return CMD_ERR_NO_MATCH; |
| 3734 | zlog_set_level(NULL, ZLOG_DEST_SYSLOG, level); |
| 3735 | return CMD_SUCCESS; |
| 3736 | } |
| 3737 | |
| 3738 | DEFUN_DEPRECATED(config_log_syslog_facility, |
| 3739 | config_log_syslog_facility_cmd, |
| 3740 | "log syslog facility " LOG_FACILITIES, |
| 3741 | "Logging control\n" |
| 3742 | "Logging goes to syslog\n" |
| 3743 | "(Deprecated) Facility parameter for syslog messages\n" |
| 3744 | LOG_FACILITY_DESC) |
| 3745 | { |
| 3746 | int facility; |
| 3747 | |
| 3748 | if ((facility = facility_match(argv[0])) < 0) |
| 3749 | return CMD_ERR_NO_MATCH; |
| 3750 | |
| 3751 | zlog_set_level(NULL, ZLOG_DEST_SYSLOG, zlog_default->default_lvl); |
| 3752 | zlog_default->facility = facility; |
| 3753 | return CMD_SUCCESS; |
| 3754 | } |
| 3755 | |
| 3756 | DEFUN(no_config_log_syslog, |
| 3757 | no_config_log_syslog_cmd, |
| 3758 | "no log syslog [LEVEL]", |
| 3759 | NO_STR "Logging control\n" "Cancel logging to syslog\n" "Logging level\n") |
| 3760 | { |
| 3761 | zlog_set_level(NULL, ZLOG_DEST_SYSLOG, ZLOG_DISABLED); |
| 3762 | return CMD_SUCCESS; |
| 3763 | } |
| 3764 | |
| 3765 | ALIAS(no_config_log_syslog, |
| 3766 | no_config_log_syslog_facility_cmd, |
| 3767 | "no log syslog facility " LOG_FACILITIES, |
| 3768 | NO_STR |
| 3769 | "Logging control\n" |
| 3770 | "Logging goes to syslog\n" |
| 3771 | "Facility parameter for syslog messages\n" LOG_FACILITY_DESC) |
| 3772 | |
| 3773 | DEFUN(config_log_facility, |
| 3774 | config_log_facility_cmd, |
| 3775 | "log facility " LOG_FACILITIES, |
| 3776 | "Logging control\n" |
| 3777 | "Facility parameter for syslog messages\n" LOG_FACILITY_DESC) |
| 3778 | { |
| 3779 | int facility; |
| 3780 | |
| 3781 | if ((facility = facility_match(argv[0])) < 0) |
| 3782 | return CMD_ERR_NO_MATCH; |
| 3783 | zlog_default->facility = facility; |
| 3784 | return CMD_SUCCESS; |
| 3785 | } |
| 3786 | |
| 3787 | DEFUN(no_config_log_facility, |
| 3788 | no_config_log_facility_cmd, |
| 3789 | "no log facility [FACILITY]", |
| 3790 | NO_STR |
| 3791 | "Logging control\n" |
| 3792 | "Reset syslog facility to default (daemon)\n" "Syslog facility\n") |
| 3793 | { |
| 3794 | zlog_default->facility = LOG_DAEMON; |
| 3795 | return CMD_SUCCESS; |
| 3796 | } |
| 3797 | |
| 3798 | DEFUN_DEPRECATED(config_log_trap, |
| 3799 | config_log_trap_cmd, |
| 3800 | "log trap " LOG_LEVELS, |
| 3801 | "Logging control\n" |
| 3802 | "(Deprecated) Set logging level and default for all destinations\n" |
| 3803 | LOG_LEVEL_DESC) |
| 3804 | { |
| 3805 | int new_level; |
| 3806 | int i; |
| 3807 | |
| 3808 | if ((new_level = level_match(argv[0])) == ZLOG_DISABLED) |
| 3809 | return CMD_ERR_NO_MATCH; |
| 3810 | |
| 3811 | zlog_default->default_lvl = new_level; |
| 3812 | for (i = 0; i < ZLOG_NUM_DESTS; i++) |
| 3813 | if (zlog_default->maxlvl[i] != ZLOG_DISABLED) |
| 3814 | zlog_default->maxlvl[i] = new_level; |
| 3815 | return CMD_SUCCESS; |
| 3816 | } |
| 3817 | |
| 3818 | DEFUN_DEPRECATED(no_config_log_trap, |
| 3819 | no_config_log_trap_cmd, |
| 3820 | "no log trap [LEVEL]", |
| 3821 | NO_STR |
| 3822 | "Logging control\n" |
| 3823 | "Permit all logging information\n" "Logging level\n") |
| 3824 | { |
| 3825 | zlog_default->default_lvl = LOG_DEBUG; |
| 3826 | return CMD_SUCCESS; |
| 3827 | } |
| 3828 | |
| 3829 | DEFUN(config_log_record_priority, |
| 3830 | config_log_record_priority_cmd, |
| 3831 | "log record-priority", |
| 3832 | "Logging control\n" |
| 3833 | "Log the priority of the message within the message\n") |
| 3834 | { |
| 3835 | zlog_default->record_priority = 1; |
| 3836 | return CMD_SUCCESS; |
| 3837 | } |
| 3838 | |
| 3839 | DEFUN(no_config_log_record_priority, |
| 3840 | no_config_log_record_priority_cmd, |
| 3841 | "no log record-priority", |
| 3842 | NO_STR |
| 3843 | "Logging control\n" |
| 3844 | "Do not log the priority of the message within the message\n") |
| 3845 | { |
| 3846 | zlog_default->record_priority = 0; |
| 3847 | return CMD_SUCCESS; |
| 3848 | } |
| 3849 | #endif |
| 3850 | |
| 3851 | DEFUN(banner_motd_file, |
| 3852 | banner_motd_file_cmd, |
| 3853 | "banner motd file [FILE]", |
| 3854 | "Set banner\n" "Banner for motd\n" "Banner from a file\n" "Filename\n") |
| 3855 | { |
| 3856 | if (host.motdfile) |
| 3857 | talloc_free(host.motdfile); |
| 3858 | host.motdfile = talloc_strdup(tall_vty_cmd_ctx, argv[0]); |
| 3859 | |
| 3860 | return CMD_SUCCESS; |
| 3861 | } |
| 3862 | |
| 3863 | DEFUN(banner_motd_default, |
| 3864 | banner_motd_default_cmd, |
| 3865 | "banner motd default", |
| 3866 | "Set banner string\n" "Strings for motd\n" "Default string\n") |
| 3867 | { |
| 3868 | host.motd = default_motd; |
| 3869 | return CMD_SUCCESS; |
| 3870 | } |
| 3871 | |
| 3872 | DEFUN(no_banner_motd, |
| 3873 | no_banner_motd_cmd, |
| 3874 | "no banner motd", NO_STR "Set banner string\n" "Strings for motd\n") |
| 3875 | { |
| 3876 | host.motd = NULL; |
| 3877 | if (host.motdfile) |
| 3878 | talloc_free(host.motdfile); |
| 3879 | host.motdfile = NULL; |
| 3880 | return CMD_SUCCESS; |
| 3881 | } |
| 3882 | |
| 3883 | /* Set config filename. Called from vty.c */ |
| 3884 | void host_config_set(const char *filename) |
| 3885 | { |
| 3886 | host.config = talloc_strdup(tall_vty_cmd_ctx, filename); |
| 3887 | } |
| 3888 | |
Neels Hofmeyr | f4f23bd | 2017-09-20 15:39:37 +0200 | [diff] [blame] | 3889 | /*! Deprecated, now happens implicitly when calling install_node(). |
| 3890 | * Users of the API may still attempt to call this function, hence |
| 3891 | * leave it here as a no-op. */ |
Holger Hans Peter Freyther | a9e5252 | 2015-08-02 02:14:07 +0000 | [diff] [blame] | 3892 | void install_default(int node) |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 3893 | { |
Neels Hofmeyr | f4f23bd | 2017-09-20 15:39:37 +0200 | [diff] [blame] | 3894 | } |
| 3895 | |
| 3896 | /*! Deprecated, now happens implicitly when calling install_node(). |
| 3897 | * Users of the API may still attempt to call this function, hence |
| 3898 | * leave it here as a no-op. */ |
| 3899 | void vty_install_default(int node) |
| 3900 | { |
| 3901 | } |
| 3902 | |
| 3903 | /*! Install common commands like 'exit' and 'list'. */ |
| 3904 | static void install_basic_node_commands(int node) |
| 3905 | { |
Vadim Yanitskiy | 8e7c496 | 2020-10-04 15:37:31 +0700 | [diff] [blame^] | 3906 | install_lib_element(node, &config_help_cmd); |
| 3907 | install_lib_element(node, &config_list_cmd); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 3908 | |
Vadim Yanitskiy | 8e7c496 | 2020-10-04 15:37:31 +0700 | [diff] [blame^] | 3909 | install_lib_element(node, &config_write_terminal_cmd); |
| 3910 | install_lib_element(node, &config_write_file_cmd); |
| 3911 | install_lib_element(node, &config_write_memory_cmd); |
| 3912 | install_lib_element(node, &config_write_cmd); |
| 3913 | install_lib_element(node, &show_running_config_cmd); |
Jacob Erlbeck | 0c987bd | 2013-09-06 16:52:00 +0200 | [diff] [blame] | 3914 | |
Vadim Yanitskiy | 8e7c496 | 2020-10-04 15:37:31 +0700 | [diff] [blame^] | 3915 | install_lib_element(node, &config_exit_cmd); |
Jacob Erlbeck | 0c987bd | 2013-09-06 16:52:00 +0200 | [diff] [blame] | 3916 | |
| 3917 | if (node >= CONFIG_NODE) { |
| 3918 | /* It's not a top node. */ |
Vadim Yanitskiy | 8e7c496 | 2020-10-04 15:37:31 +0700 | [diff] [blame^] | 3919 | install_lib_element(node, &config_end_cmd); |
Jacob Erlbeck | 0c987bd | 2013-09-06 16:52:00 +0200 | [diff] [blame] | 3920 | } |
| 3921 | } |
| 3922 | |
Neels Hofmeyr | 69054e2 | 2017-10-19 02:44:57 +0200 | [diff] [blame] | 3923 | /*! Return true if a node is installed by install_basic_node_commands(), so |
| 3924 | * that we can avoid repeating them for each and every node during 'show |
| 3925 | * running-config' */ |
| 3926 | static bool vty_command_is_common(struct cmd_element *cmd) |
| 3927 | { |
| 3928 | if (cmd == &config_help_cmd |
| 3929 | || cmd == &config_list_cmd |
| 3930 | || cmd == &config_write_terminal_cmd |
| 3931 | || cmd == &config_write_file_cmd |
| 3932 | || cmd == &config_write_memory_cmd |
| 3933 | || cmd == &config_write_cmd |
| 3934 | || cmd == &show_running_config_cmd |
| 3935 | || cmd == &config_exit_cmd |
| 3936 | || cmd == &config_end_cmd) |
| 3937 | return true; |
| 3938 | return false; |
| 3939 | } |
| 3940 | |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 3941 | /** |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 3942 | * Write the current running config to a given file |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 3943 | * \param[in] vty the vty of the code |
| 3944 | * \param[in] filename where to store the file |
| 3945 | * \return 0 in case of success. |
| 3946 | * |
| 3947 | * If the filename already exists create a filename.sav |
| 3948 | * version with the current code. |
| 3949 | * |
| 3950 | */ |
| 3951 | int osmo_vty_write_config_file(const char *filename) |
| 3952 | { |
| 3953 | char *failed_file; |
| 3954 | int rc; |
| 3955 | |
| 3956 | rc = write_config_file(filename, &failed_file); |
| 3957 | talloc_free(failed_file); |
| 3958 | return rc; |
| 3959 | } |
| 3960 | |
| 3961 | /** |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 3962 | * Save the current state to the config file |
Holger Hans Peter Freyther | 738f133 | 2012-03-24 18:26:24 +0100 | [diff] [blame] | 3963 | * \return 0 in case of success. |
| 3964 | * |
| 3965 | * If the filename already exists create a filename.sav |
| 3966 | * version with the current code. |
| 3967 | * |
| 3968 | */ |
| 3969 | int osmo_vty_save_config_file(void) |
| 3970 | { |
| 3971 | char *failed_file; |
| 3972 | int rc; |
| 3973 | |
| 3974 | if (host.config == NULL) |
| 3975 | return -7; |
| 3976 | |
| 3977 | rc = write_config_file(host.config, &failed_file); |
| 3978 | talloc_free(failed_file); |
| 3979 | return rc; |
| 3980 | } |
| 3981 | |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 3982 | /* Initialize command interface. Install basic nodes and commands. */ |
| 3983 | void cmd_init(int terminal) |
| 3984 | { |
| 3985 | /* Allocate initial top vector of commands. */ |
| 3986 | cmdvec = vector_init(VECTOR_MIN_SIZE); |
| 3987 | |
| 3988 | /* Default host value settings. */ |
| 3989 | host.name = NULL; |
| 3990 | host.password = NULL; |
| 3991 | host.enable = NULL; |
| 3992 | host.logfile = NULL; |
| 3993 | host.config = NULL; |
| 3994 | host.lines = -1; |
| 3995 | host.motd = default_motd; |
| 3996 | host.motdfile = NULL; |
| 3997 | |
| 3998 | /* Install top nodes. */ |
Neels Hofmeyr | f4f23bd | 2017-09-20 15:39:37 +0200 | [diff] [blame] | 3999 | install_node_bare(&view_node, NULL); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 4000 | install_node(&enable_node, NULL); |
Neels Hofmeyr | f4f23bd | 2017-09-20 15:39:37 +0200 | [diff] [blame] | 4001 | install_node_bare(&auth_node, NULL); |
| 4002 | install_node_bare(&auth_enable_node, NULL); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 4003 | install_node(&config_node, config_write_host); |
| 4004 | |
| 4005 | /* Each node's basic commands. */ |
Vadim Yanitskiy | 8e7c496 | 2020-10-04 15:37:31 +0700 | [diff] [blame^] | 4006 | install_lib_element(VIEW_NODE, &show_version_cmd); |
| 4007 | install_lib_element(VIEW_NODE, &show_online_help_cmd); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 4008 | if (terminal) { |
Vadim Yanitskiy | 8e7c496 | 2020-10-04 15:37:31 +0700 | [diff] [blame^] | 4009 | install_lib_element(VIEW_NODE, &config_list_cmd); |
| 4010 | install_lib_element(VIEW_NODE, &config_exit_cmd); |
| 4011 | install_lib_element(VIEW_NODE, &config_help_cmd); |
| 4012 | install_lib_element(VIEW_NODE, &config_enable_cmd); |
| 4013 | install_lib_element(VIEW_NODE, &config_terminal_length_cmd); |
| 4014 | install_lib_element(VIEW_NODE, &config_terminal_no_length_cmd); |
| 4015 | install_lib_element(VIEW_NODE, &echo_cmd); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 4016 | } |
| 4017 | |
| 4018 | if (terminal) { |
Vadim Yanitskiy | 8e7c496 | 2020-10-04 15:37:31 +0700 | [diff] [blame^] | 4019 | install_lib_element(ENABLE_NODE, &config_disable_cmd); |
| 4020 | install_lib_element(ENABLE_NODE, &config_terminal_cmd); |
| 4021 | install_lib_element(ENABLE_NODE, ©_runningconfig_startupconfig_cmd); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 4022 | } |
Vadim Yanitskiy | 8e7c496 | 2020-10-04 15:37:31 +0700 | [diff] [blame^] | 4023 | install_lib_element(ENABLE_NODE, &show_startup_config_cmd); |
| 4024 | install_lib_element(ENABLE_NODE, &show_version_cmd); |
| 4025 | install_lib_element(ENABLE_NODE, &show_online_help_cmd); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 4026 | |
| 4027 | if (terminal) { |
Vadim Yanitskiy | 8e7c496 | 2020-10-04 15:37:31 +0700 | [diff] [blame^] | 4028 | install_lib_element(ENABLE_NODE, &config_terminal_length_cmd); |
| 4029 | install_lib_element(ENABLE_NODE, &config_terminal_no_length_cmd); |
| 4030 | install_lib_element(ENABLE_NODE, &echo_cmd); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 4031 | } |
| 4032 | |
Vadim Yanitskiy | 8e7c496 | 2020-10-04 15:37:31 +0700 | [diff] [blame^] | 4033 | install_lib_element(CONFIG_NODE, &hostname_cmd); |
| 4034 | install_lib_element(CONFIG_NODE, &no_hostname_cmd); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 4035 | |
| 4036 | if (terminal) { |
Vadim Yanitskiy | 8e7c496 | 2020-10-04 15:37:31 +0700 | [diff] [blame^] | 4037 | install_lib_element(CONFIG_NODE, &password_cmd); |
| 4038 | install_lib_element(CONFIG_NODE, &password_text_cmd); |
| 4039 | install_lib_element(CONFIG_NODE, &enable_password_cmd); |
| 4040 | install_lib_element(CONFIG_NODE, &enable_password_text_cmd); |
| 4041 | install_lib_element(CONFIG_NODE, &no_enable_password_cmd); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 4042 | |
| 4043 | #ifdef VTY_CRYPT_PW |
Vadim Yanitskiy | 8e7c496 | 2020-10-04 15:37:31 +0700 | [diff] [blame^] | 4044 | install_lib_element(CONFIG_NODE, &service_password_encrypt_cmd); |
| 4045 | install_lib_element(CONFIG_NODE, &no_service_password_encrypt_cmd); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 4046 | #endif |
Vadim Yanitskiy | 8e7c496 | 2020-10-04 15:37:31 +0700 | [diff] [blame^] | 4047 | install_lib_element(CONFIG_NODE, &banner_motd_default_cmd); |
| 4048 | install_lib_element(CONFIG_NODE, &banner_motd_file_cmd); |
| 4049 | install_lib_element(CONFIG_NODE, &no_banner_motd_cmd); |
| 4050 | install_lib_element(CONFIG_NODE, &service_terminal_length_cmd); |
| 4051 | install_lib_element(CONFIG_NODE, &no_service_terminal_length_cmd); |
Harald Welte | 3fb0b6f | 2010-05-19 19:02:52 +0200 | [diff] [blame] | 4052 | |
| 4053 | } |
| 4054 | srand(time(NULL)); |
| 4055 | } |
Harald Welte | 7acb30c | 2011-08-17 17:13:48 +0200 | [diff] [blame] | 4056 | |
Sylvain Munaut | dca7d2c | 2012-04-18 21:53:23 +0200 | [diff] [blame] | 4057 | /*! @} */ |