Create libosmovty as library from OpenBSC VTY functions
diff --git a/src/vty/command.c b/src/vty/command.c
new file mode 100644
index 0000000..7275a3d
--- /dev/null
+++ b/src/vty/command.c
@@ -0,0 +1,3176 @@
+/*
+ $Id: command.c,v 1.47 2005/04/25 16:26:42 paul Exp $
+
+ Command interpreter routine for virtual terminal [aka TeletYpe]
+ Copyright (C) 1997, 98, 99 Kunihiro Ishiguro
+
+This file is part of GNU Zebra.
+
+GNU Zebra is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published
+by the Free Software Foundation; either version 2, or (at your
+option) any later version.
+
+GNU Zebra is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Zebra; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+#include <errno.h>
+#define _XOPEN_SOURCE
+#include <unistd.h>
+#include <assert.h>
+#include <ctype.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+
+#include <osmocom/vty/vector.h>
+#include <osmocom/vty/vty.h>
+#include <osmocom/vty/command.h>
+
+#include <osmocore/talloc.h>
+
+#define CONFIGFILE_MASK 022
+
+void *tall_vty_cmd_ctx;
+
+/* Command vector which includes some level of command lists. Normally
+ each daemon maintains each own cmdvec. */
+vector cmdvec;
+
+/* Host information structure. */
+struct host host;
+
+/* Standard command node structures. */
+struct cmd_node auth_node = {
+ AUTH_NODE,
+ "Password: ",
+};
+
+struct cmd_node view_node = {
+ VIEW_NODE,
+ "%s> ",
+};
+
+struct cmd_node auth_enable_node = {
+ AUTH_ENABLE_NODE,
+ "Password: ",
+};
+
+struct cmd_node enable_node = {
+ ENABLE_NODE,
+ "%s# ",
+};
+
+struct cmd_node config_node = {
+ CONFIG_NODE,
+ "%s(config)# ",
+ 1
+};
+
+/* Default motd string. */
+const char *default_motd = "";
+
+/* This is called from main when a daemon is invoked with -v or --version. */
+void print_version(int print_copyright)
+{
+ printf("%s version %s\n", host.prog_name, host.prog_version);
+ if (print_copyright)
+ printf("\n%s\n", host.prog_copyright);
+}
+
+/* Utility function to concatenate argv argument into a single string
+ with inserting ' ' character between each argument. */
+char *argv_concat(const char **argv, int argc, int shift)
+{
+ int i;
+ size_t len;
+ char *str;
+ char *p;
+
+ len = 0;
+ for (i = shift; i < argc; i++)
+ len += strlen(argv[i]) + 1;
+ if (!len)
+ return NULL;
+ p = str = _talloc_zero(tall_vty_cmd_ctx, len, "arvg_concat");
+ for (i = shift; i < argc; i++) {
+ size_t arglen;
+ memcpy(p, argv[i], (arglen = strlen(argv[i])));
+ p += arglen;
+ *p++ = ' ';
+ }
+ *(p - 1) = '\0';
+ return str;
+}
+
+/* Install top node of command vector. */
+void install_node(struct cmd_node *node, int (*func) (struct vty *))
+{
+ vector_set_index(cmdvec, node->node, node);
+ node->func = func;
+ node->cmd_vector = vector_init(VECTOR_MIN_SIZE);
+}
+
+/* Compare two command's string. Used in sort_node (). */
+static int cmp_node(const void *p, const void *q)
+{
+ struct cmd_element *a = *(struct cmd_element **)p;
+ struct cmd_element *b = *(struct cmd_element **)q;
+
+ return strcmp(a->string, b->string);
+}
+
+static int cmp_desc(const void *p, const void *q)
+{
+ struct desc *a = *(struct desc **)p;
+ struct desc *b = *(struct desc **)q;
+
+ return strcmp(a->cmd, b->cmd);
+}
+
+/* Sort each node's command element according to command string. */
+void sort_node()
+{
+ unsigned int i, j;
+ struct cmd_node *cnode;
+ vector descvec;
+ struct cmd_element *cmd_element;
+
+ for (i = 0; i < vector_active(cmdvec); i++)
+ if ((cnode = vector_slot(cmdvec, i)) != NULL) {
+ vector cmd_vector = cnode->cmd_vector;
+ qsort(cmd_vector->index, vector_active(cmd_vector),
+ sizeof(void *), cmp_node);
+
+ for (j = 0; j < vector_active(cmd_vector); j++)
+ if ((cmd_element =
+ vector_slot(cmd_vector, j)) != NULL
+ && vector_active(cmd_element->strvec)) {
+ descvec =
+ vector_slot(cmd_element->strvec,
+ vector_active
+ (cmd_element->strvec) -
+ 1);
+ qsort(descvec->index,
+ vector_active(descvec),
+ sizeof(void *), cmp_desc);
+ }
+ }
+}
+
+/* Breaking up string into each command piece. I assume given
+ character is separated by a space character. Return value is a
+ vector which includes char ** data element. */
+vector cmd_make_strvec(const char *string)
+{
+ const char *cp, *start;
+ char *token;
+ int strlen;
+ vector strvec;
+
+ if (string == NULL)
+ return NULL;
+
+ cp = string;
+
+ /* Skip white spaces. */
+ while (isspace((int)*cp) && *cp != '\0')
+ cp++;
+
+ /* Return if there is only white spaces */
+ if (*cp == '\0')
+ return NULL;
+
+ if (*cp == '!' || *cp == '#')
+ return NULL;
+
+ /* Prepare return vector. */
+ strvec = vector_init(VECTOR_MIN_SIZE);
+
+ /* Copy each command piece and set into vector. */
+ while (1) {
+ start = cp;
+ while (!(isspace((int)*cp) || *cp == '\r' || *cp == '\n') &&
+ *cp != '\0')
+ cp++;
+ strlen = cp - start;
+ token = _talloc_zero(tall_vty_cmd_ctx, strlen + 1, "make_strvec");
+ memcpy(token, start, strlen);
+ *(token + strlen) = '\0';
+ vector_set(strvec, token);
+
+ while ((isspace((int)*cp) || *cp == '\n' || *cp == '\r') &&
+ *cp != '\0')
+ cp++;
+
+ if (*cp == '\0')
+ return strvec;
+ }
+}
+
+/* Free allocated string vector. */
+void cmd_free_strvec(vector v)
+{
+ unsigned int i;
+ char *cp;
+
+ if (!v)
+ return;
+
+ for (i = 0; i < vector_active(v); i++)
+ if ((cp = vector_slot(v, i)) != NULL)
+ talloc_free(cp);
+
+ vector_free(v);
+}
+
+/* Fetch next description. Used in cmd_make_descvec(). */
+static char *cmd_desc_str(const char **string)
+{
+ const char *cp, *start;
+ char *token;
+ int strlen;
+
+ cp = *string;
+
+ if (cp == NULL)
+ return NULL;
+
+ /* Skip white spaces. */
+ while (isspace((int)*cp) && *cp != '\0')
+ cp++;
+
+ /* Return if there is only white spaces */
+ if (*cp == '\0')
+ return NULL;
+
+ start = cp;
+
+ while (!(*cp == '\r' || *cp == '\n') && *cp != '\0')
+ cp++;
+
+ strlen = cp - start;
+ token = _talloc_zero(tall_vty_cmd_ctx, strlen + 1, "cmd_desc_str");
+ memcpy(token, start, strlen);
+ *(token + strlen) = '\0';
+
+ *string = cp;
+
+ return token;
+}
+
+/* New string vector. */
+static vector cmd_make_descvec(const char *string, const char *descstr)
+{
+ int multiple = 0;
+ const char *sp;
+ char *token;
+ int len;
+ const char *cp;
+ const char *dp;
+ vector allvec;
+ vector strvec = NULL;
+ struct desc *desc;
+
+ cp = string;
+ dp = descstr;
+
+ if (cp == NULL)
+ return NULL;
+
+ allvec = vector_init(VECTOR_MIN_SIZE);
+
+ while (1) {
+ while (isspace((int)*cp) && *cp != '\0')
+ cp++;
+
+ if (*cp == '(') {
+ multiple = 1;
+ cp++;
+ }
+ if (*cp == ')') {
+ multiple = 0;
+ cp++;
+ }
+ if (*cp == '|') {
+ if (!multiple) {
+ fprintf(stderr, "Command parse error!: %s\n",
+ string);
+ exit(1);
+ }
+ cp++;
+ }
+
+ while (isspace((int)*cp) && *cp != '\0')
+ cp++;
+
+ if (*cp == '(') {
+ multiple = 1;
+ cp++;
+ }
+
+ if (*cp == '\0')
+ return allvec;
+
+ sp = cp;
+
+ while (!
+ (isspace((int)*cp) || *cp == '\r' || *cp == '\n'
+ || *cp == ')' || *cp == '|') && *cp != '\0')
+ cp++;
+
+ len = cp - sp;
+
+ token = _talloc_zero(tall_vty_cmd_ctx, len + 1, "cmd_make_descvec");
+ memcpy(token, sp, len);
+ *(token + len) = '\0';
+
+ desc = talloc_zero(tall_vty_cmd_ctx, struct desc);
+ desc->cmd = token;
+ desc->str = cmd_desc_str(&dp);
+
+ if (multiple) {
+ if (multiple == 1) {
+ strvec = vector_init(VECTOR_MIN_SIZE);
+ vector_set(allvec, strvec);
+ }
+ multiple++;
+ } else {
+ strvec = vector_init(VECTOR_MIN_SIZE);
+ vector_set(allvec, strvec);
+ }
+ vector_set(strvec, desc);
+ }
+}
+
+/* Count mandantory string vector size. This is to determine inputed
+ command has enough command length. */
+static int cmd_cmdsize(vector strvec)
+{
+ unsigned int i;
+ int size = 0;
+ vector descvec;
+ struct desc *desc;
+
+ for (i = 0; i < vector_active(strvec); i++)
+ if ((descvec = vector_slot(strvec, i)) != NULL) {
+ if ((vector_active(descvec)) == 1
+ && (desc = vector_slot(descvec, 0)) != NULL) {
+ if (desc->cmd == NULL || CMD_OPTION(desc->cmd))
+ return size;
+ else
+ size++;
+ } else
+ size++;
+ }
+ return size;
+}
+
+/* Return prompt character of specified node. */
+const char *cmd_prompt(enum node_type node)
+{
+ struct cmd_node *cnode;
+
+ cnode = vector_slot(cmdvec, node);
+ return cnode->prompt;
+}
+
+/* Install a command into a node. */
+void install_element(enum node_type ntype, struct cmd_element *cmd)
+{
+ struct cmd_node *cnode;
+
+ cnode = vector_slot(cmdvec, ntype);
+
+ if (cnode == NULL) {
+ fprintf(stderr,
+ "Command node %d doesn't exist, please check it\n",
+ ntype);
+ exit(1);
+ }
+
+ vector_set(cnode->cmd_vector, cmd);
+
+ cmd->strvec = cmd_make_descvec(cmd->string, cmd->doc);
+ cmd->cmdsize = cmd_cmdsize(cmd->strvec);
+}
+
+/* Install a command into VIEW and ENABLE node */
+void install_element_ve(struct cmd_element *cmd)
+{
+ install_element(VIEW_NODE, cmd);
+ install_element(ENABLE_NODE, cmd);
+}
+
+#ifdef VTY_CRYPT_PW
+static unsigned char itoa64[] =
+ "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+
+static void to64(char *s, long v, int n)
+{
+ while (--n >= 0) {
+ *s++ = itoa64[v & 0x3f];
+ v >>= 6;
+ }
+}
+
+static char *zencrypt(const char *passwd)
+{
+ char salt[6];
+ struct timeval tv;
+ char *crypt(const char *, const char *);
+
+ gettimeofday(&tv, 0);
+
+ to64(&salt[0], random(), 3);
+ to64(&salt[3], tv.tv_usec, 3);
+ salt[5] = '\0';
+
+ return crypt(passwd, salt);
+}
+#endif
+
+/* This function write configuration of this host. */
+static int config_write_host(struct vty *vty)
+{
+ if (host.name)
+ vty_out(vty, "hostname %s%s", host.name, VTY_NEWLINE);
+
+ if (host.encrypt) {
+ if (host.password_encrypt)
+ vty_out(vty, "password 8 %s%s", host.password_encrypt,
+ VTY_NEWLINE);
+ if (host.enable_encrypt)
+ vty_out(vty, "enable password 8 %s%s",
+ host.enable_encrypt, VTY_NEWLINE);
+ } else {
+ if (host.password)
+ vty_out(vty, "password %s%s", host.password,
+ VTY_NEWLINE);
+ if (host.enable)
+ vty_out(vty, "enable password %s%s", host.enable,
+ VTY_NEWLINE);
+ }
+
+ if (host.advanced)
+ vty_out(vty, "service advanced-vty%s", VTY_NEWLINE);
+
+ if (host.encrypt)
+ vty_out(vty, "service password-encryption%s", VTY_NEWLINE);
+
+ if (host.lines >= 0)
+ vty_out(vty, "service terminal-length %d%s", host.lines,
+ VTY_NEWLINE);
+
+ if (host.motdfile)
+ vty_out(vty, "banner motd file %s%s", host.motdfile,
+ VTY_NEWLINE);
+ else if (!host.motd)
+ vty_out(vty, "no banner motd%s", VTY_NEWLINE);
+
+ return 1;
+}
+
+/* Utility function for getting command vector. */
+static vector cmd_node_vector(vector v, enum node_type ntype)
+{
+ struct cmd_node *cnode = vector_slot(v, ntype);
+ return cnode->cmd_vector;
+}
+
+/* Completion match types. */
+enum match_type {
+ no_match,
+ extend_match,
+ ipv4_prefix_match,
+ ipv4_match,
+ ipv6_prefix_match,
+ ipv6_match,
+ range_match,
+ vararg_match,
+ partly_match,
+ exact_match
+};
+
+static enum match_type cmd_ipv4_match(const char *str)
+{
+ const char *sp;
+ int dots = 0, nums = 0;
+ char buf[4];
+
+ if (str == NULL)
+ return partly_match;
+
+ for (;;) {
+ memset(buf, 0, sizeof(buf));
+ sp = str;
+ while (*str != '\0') {
+ if (*str == '.') {
+ if (dots >= 3)
+ return no_match;
+
+ if (*(str + 1) == '.')
+ return no_match;
+
+ if (*(str + 1) == '\0')
+ return partly_match;
+
+ dots++;
+ break;
+ }
+ if (!isdigit((int)*str))
+ return no_match;
+
+ str++;
+ }
+
+ if (str - sp > 3)
+ return no_match;
+
+ strncpy(buf, sp, str - sp);
+ if (atoi(buf) > 255)
+ return no_match;
+
+ nums++;
+
+ if (*str == '\0')
+ break;
+
+ str++;
+ }
+
+ if (nums < 4)
+ return partly_match;
+
+ return exact_match;
+}
+
+static enum match_type cmd_ipv4_prefix_match(const char *str)
+{
+ const char *sp;
+ int dots = 0;
+ char buf[4];
+
+ if (str == NULL)
+ return partly_match;
+
+ for (;;) {
+ memset(buf, 0, sizeof(buf));
+ sp = str;
+ while (*str != '\0' && *str != '/') {
+ if (*str == '.') {
+ if (dots == 3)
+ return no_match;
+
+ if (*(str + 1) == '.' || *(str + 1) == '/')
+ return no_match;
+
+ if (*(str + 1) == '\0')
+ return partly_match;
+
+ dots++;
+ break;
+ }
+
+ if (!isdigit((int)*str))
+ return no_match;
+
+ str++;
+ }
+
+ if (str - sp > 3)
+ return no_match;
+
+ strncpy(buf, sp, str - sp);
+ if (atoi(buf) > 255)
+ return no_match;
+
+ if (dots == 3) {
+ if (*str == '/') {
+ if (*(str + 1) == '\0')
+ return partly_match;
+
+ str++;
+ break;
+ } else if (*str == '\0')
+ return partly_match;
+ }
+
+ if (*str == '\0')
+ return partly_match;
+
+ str++;
+ }
+
+ sp = str;
+ while (*str != '\0') {
+ if (!isdigit((int)*str))
+ return no_match;
+
+ str++;
+ }
+
+ if (atoi(sp) > 32)
+ return no_match;
+
+ return exact_match;
+}
+
+#define IPV6_ADDR_STR "0123456789abcdefABCDEF:.%"
+#define IPV6_PREFIX_STR "0123456789abcdefABCDEF:.%/"
+#define STATE_START 1
+#define STATE_COLON 2
+#define STATE_DOUBLE 3
+#define STATE_ADDR 4
+#define STATE_DOT 5
+#define STATE_SLASH 6
+#define STATE_MASK 7
+
+#ifdef HAVE_IPV6
+
+static enum match_type cmd_ipv6_match(const char *str)
+{
+ int state = STATE_START;
+ int colons = 0, nums = 0, double_colon = 0;
+ const char *sp = NULL;
+ struct sockaddr_in6 sin6_dummy;
+ int ret;
+
+ if (str == NULL)
+ return partly_match;
+
+ if (strspn(str, IPV6_ADDR_STR) != strlen(str))
+ return no_match;
+
+ /* use inet_pton that has a better support,
+ * for example inet_pton can support the automatic addresses:
+ * ::1.2.3.4
+ */
+ ret = inet_pton(AF_INET6, str, &sin6_dummy.sin6_addr);
+
+ if (ret == 1)
+ return exact_match;
+
+ while (*str != '\0') {
+ switch (state) {
+ case STATE_START:
+ if (*str == ':') {
+ if (*(str + 1) != ':' && *(str + 1) != '\0')
+ return no_match;
+ colons--;
+ state = STATE_COLON;
+ } else {
+ sp = str;
+ state = STATE_ADDR;
+ }
+
+ continue;
+ case STATE_COLON:
+ colons++;
+ if (*(str + 1) == ':')
+ state = STATE_DOUBLE;
+ else {
+ sp = str + 1;
+ state = STATE_ADDR;
+ }
+ break;
+ case STATE_DOUBLE:
+ if (double_colon)
+ return no_match;
+
+ if (*(str + 1) == ':')
+ return no_match;
+ else {
+ if (*(str + 1) != '\0')
+ colons++;
+ sp = str + 1;
+ state = STATE_ADDR;
+ }
+
+ double_colon++;
+ nums++;
+ break;
+ case STATE_ADDR:
+ if (*(str + 1) == ':' || *(str + 1) == '\0') {
+ if (str - sp > 3)
+ return no_match;
+
+ nums++;
+ state = STATE_COLON;
+ }
+ if (*(str + 1) == '.')
+ state = STATE_DOT;
+ break;
+ case STATE_DOT:
+ state = STATE_ADDR;
+ break;
+ default:
+ break;
+ }
+
+ if (nums > 8)
+ return no_match;
+
+ if (colons > 7)
+ return no_match;
+
+ str++;
+ }
+
+#if 0
+ if (nums < 11)
+ return partly_match;
+#endif /* 0 */
+
+ return exact_match;
+}
+
+static enum match_type cmd_ipv6_prefix_match(const char *str)
+{
+ int state = STATE_START;
+ int colons = 0, nums = 0, double_colon = 0;
+ int mask;
+ const char *sp = NULL;
+ char *endptr = NULL;
+
+ if (str == NULL)
+ return partly_match;
+
+ if (strspn(str, IPV6_PREFIX_STR) != strlen(str))
+ return no_match;
+
+ while (*str != '\0' && state != STATE_MASK) {
+ switch (state) {
+ case STATE_START:
+ if (*str == ':') {
+ if (*(str + 1) != ':' && *(str + 1) != '\0')
+ return no_match;
+ colons--;
+ state = STATE_COLON;
+ } else {
+ sp = str;
+ state = STATE_ADDR;
+ }
+
+ continue;
+ case STATE_COLON:
+ colons++;
+ if (*(str + 1) == '/')
+ return no_match;
+ else if (*(str + 1) == ':')
+ state = STATE_DOUBLE;
+ else {
+ sp = str + 1;
+ state = STATE_ADDR;
+ }
+ break;
+ case STATE_DOUBLE:
+ if (double_colon)
+ return no_match;
+
+ if (*(str + 1) == ':')
+ return no_match;
+ else {
+ if (*(str + 1) != '\0' && *(str + 1) != '/')
+ colons++;
+ sp = str + 1;
+
+ if (*(str + 1) == '/')
+ state = STATE_SLASH;
+ else
+ state = STATE_ADDR;
+ }
+
+ double_colon++;
+ nums += 1;
+ break;
+ case STATE_ADDR:
+ if (*(str + 1) == ':' || *(str + 1) == '.'
+ || *(str + 1) == '\0' || *(str + 1) == '/') {
+ if (str - sp > 3)
+ return no_match;
+
+ for (; sp <= str; sp++)
+ if (*sp == '/')
+ return no_match;
+
+ nums++;
+
+ if (*(str + 1) == ':')
+ state = STATE_COLON;
+ else if (*(str + 1) == '.')
+ state = STATE_DOT;
+ else if (*(str + 1) == '/')
+ state = STATE_SLASH;
+ }
+ break;
+ case STATE_DOT:
+ state = STATE_ADDR;
+ break;
+ case STATE_SLASH:
+ if (*(str + 1) == '\0')
+ return partly_match;
+
+ state = STATE_MASK;
+ break;
+ default:
+ break;
+ }
+
+ if (nums > 11)
+ return no_match;
+
+ if (colons > 7)
+ return no_match;
+
+ str++;
+ }
+
+ if (state < STATE_MASK)
+ return partly_match;
+
+ mask = strtol(str, &endptr, 10);
+ if (*endptr != '\0')
+ return no_match;
+
+ if (mask < 0 || mask > 128)
+ return no_match;
+
+/* I don't know why mask < 13 makes command match partly.
+ Forgive me to make this comments. I Want to set static default route
+ because of lack of function to originate default in ospf6d; sorry
+ yasu
+ if (mask < 13)
+ return partly_match;
+*/
+
+ return exact_match;
+}
+
+#endif /* HAVE_IPV6 */
+
+#define DECIMAL_STRLEN_MAX 10
+
+static int cmd_range_match(const char *range, const char *str)
+{
+ char *p;
+ char buf[DECIMAL_STRLEN_MAX + 1];
+ char *endptr = NULL;
+ unsigned long min, max, val;
+
+ if (str == NULL)
+ return 1;
+
+ val = strtoul(str, &endptr, 10);
+ if (*endptr != '\0')
+ return 0;
+
+ range++;
+ p = strchr(range, '-');
+ if (p == NULL)
+ return 0;
+ if (p - range > DECIMAL_STRLEN_MAX)
+ return 0;
+ strncpy(buf, range, p - range);
+ buf[p - range] = '\0';
+ min = strtoul(buf, &endptr, 10);
+ if (*endptr != '\0')
+ return 0;
+
+ range = p + 1;
+ p = strchr(range, '>');
+ if (p == NULL)
+ return 0;
+ if (p - range > DECIMAL_STRLEN_MAX)
+ return 0;
+ strncpy(buf, range, p - range);
+ buf[p - range] = '\0';
+ max = strtoul(buf, &endptr, 10);
+ if (*endptr != '\0')
+ return 0;
+
+ if (val < min || val > max)
+ return 0;
+
+ return 1;
+}
+
+/* Make completion match and return match type flag. */
+static enum match_type
+cmd_filter_by_completion(char *command, vector v, unsigned int index)
+{
+ unsigned int i;
+ const char *str;
+ struct cmd_element *cmd_element;
+ enum match_type match_type;
+ vector descvec;
+ struct desc *desc;
+
+ match_type = no_match;
+
+ /* If command and cmd_element string does not match set NULL to vector */
+ for (i = 0; i < vector_active(v); i++)
+ if ((cmd_element = vector_slot(v, i)) != NULL) {
+ if (index >= vector_active(cmd_element->strvec))
+ vector_slot(v, i) = NULL;
+ else {
+ unsigned int j;
+ int matched = 0;
+
+ descvec =
+ vector_slot(cmd_element->strvec, index);
+
+ for (j = 0; j < vector_active(descvec); j++)
+ if ((desc = vector_slot(descvec, j))) {
+ str = desc->cmd;
+
+ if (CMD_VARARG(str)) {
+ if (match_type <
+ vararg_match)
+ match_type =
+ vararg_match;
+ matched++;
+ } else if (CMD_RANGE(str)) {
+ if (cmd_range_match
+ (str, command)) {
+ if (match_type <
+ range_match)
+ match_type
+ =
+ range_match;
+
+ matched++;
+ }
+ }
+#ifdef HAVE_IPV6
+ else if (CMD_IPV6(str)) {
+ if (cmd_ipv6_match
+ (command)) {
+ if (match_type <
+ ipv6_match)
+ match_type
+ =
+ ipv6_match;
+
+ matched++;
+ }
+ } else if (CMD_IPV6_PREFIX(str)) {
+ if (cmd_ipv6_prefix_match(command)) {
+ if (match_type <
+ ipv6_prefix_match)
+ match_type
+ =
+ ipv6_prefix_match;
+
+ matched++;
+ }
+ }
+#endif /* HAVE_IPV6 */
+ else if (CMD_IPV4(str)) {
+ if (cmd_ipv4_match
+ (command)) {
+ if (match_type <
+ ipv4_match)
+ match_type
+ =
+ ipv4_match;
+
+ matched++;
+ }
+ } else if (CMD_IPV4_PREFIX(str)) {
+ if (cmd_ipv4_prefix_match(command)) {
+ if (match_type <
+ ipv4_prefix_match)
+ match_type
+ =
+ ipv4_prefix_match;
+ matched++;
+ }
+ } else
+ /* Check is this point's argument optional ? */
+ if (CMD_OPTION(str)
+ ||
+ CMD_VARIABLE(str)) {
+ if (match_type <
+ extend_match)
+ match_type =
+ extend_match;
+ matched++;
+ } else
+ if (strncmp
+ (command, str,
+ strlen(command)) ==
+ 0) {
+ if (strcmp(command, str)
+ == 0)
+ match_type =
+ exact_match;
+ else {
+ if (match_type <
+ partly_match)
+ match_type
+ =
+ partly_match;
+ }
+ matched++;
+ }
+ }
+ if (!matched)
+ vector_slot(v, i) = NULL;
+ }
+ }
+ return match_type;
+}
+
+/* Filter vector by command character with index. */
+static enum match_type
+cmd_filter_by_string(char *command, vector v, unsigned int index)
+{
+ unsigned int i;
+ const char *str;
+ struct cmd_element *cmd_element;
+ enum match_type match_type;
+ vector descvec;
+ struct desc *desc;
+
+ match_type = no_match;
+
+ /* If command and cmd_element string does not match set NULL to vector */
+ for (i = 0; i < vector_active(v); i++)
+ if ((cmd_element = vector_slot(v, i)) != NULL) {
+ /* If given index is bigger than max string vector of command,
+ set NULL */
+ if (index >= vector_active(cmd_element->strvec))
+ vector_slot(v, i) = NULL;
+ else {
+ unsigned int j;
+ int matched = 0;
+
+ descvec =
+ vector_slot(cmd_element->strvec, index);
+
+ for (j = 0; j < vector_active(descvec); j++)
+ if ((desc = vector_slot(descvec, j))) {
+ str = desc->cmd;
+
+ if (CMD_VARARG(str)) {
+ if (match_type <
+ vararg_match)
+ match_type =
+ vararg_match;
+ matched++;
+ } else if (CMD_RANGE(str)) {
+ if (cmd_range_match
+ (str, command)) {
+ if (match_type <
+ range_match)
+ match_type
+ =
+ range_match;
+ matched++;
+ }
+ }
+#ifdef HAVE_IPV6
+ else if (CMD_IPV6(str)) {
+ if (cmd_ipv6_match
+ (command) ==
+ exact_match) {
+ if (match_type <
+ ipv6_match)
+ match_type
+ =
+ ipv6_match;
+ matched++;
+ }
+ } else if (CMD_IPV6_PREFIX(str)) {
+ if (cmd_ipv6_prefix_match(command) == exact_match) {
+ if (match_type <
+ ipv6_prefix_match)
+ match_type
+ =
+ ipv6_prefix_match;
+ matched++;
+ }
+ }
+#endif /* HAVE_IPV6 */
+ else if (CMD_IPV4(str)) {
+ if (cmd_ipv4_match
+ (command) ==
+ exact_match) {
+ if (match_type <
+ ipv4_match)
+ match_type
+ =
+ ipv4_match;
+ matched++;
+ }
+ } else if (CMD_IPV4_PREFIX(str)) {
+ if (cmd_ipv4_prefix_match(command) == exact_match) {
+ if (match_type <
+ ipv4_prefix_match)
+ match_type
+ =
+ ipv4_prefix_match;
+ matched++;
+ }
+ } else if (CMD_OPTION(str)
+ || CMD_VARIABLE(str))
+ {
+ if (match_type <
+ extend_match)
+ match_type =
+ extend_match;
+ matched++;
+ } else {
+ if (strcmp(command, str)
+ == 0) {
+ match_type =
+ exact_match;
+ matched++;
+ }
+ }
+ }
+ if (!matched)
+ vector_slot(v, i) = NULL;
+ }
+ }
+ return match_type;
+}
+
+/* Check ambiguous match */
+static int
+is_cmd_ambiguous(char *command, vector v, int index, enum match_type type)
+{
+ unsigned int i;
+ unsigned int j;
+ const char *str = NULL;
+ struct cmd_element *cmd_element;
+ const char *matched = NULL;
+ vector descvec;
+ struct desc *desc;
+
+ for (i = 0; i < vector_active(v); i++)
+ if ((cmd_element = vector_slot(v, i)) != NULL) {
+ int match = 0;
+
+ descvec = vector_slot(cmd_element->strvec, index);
+
+ for (j = 0; j < vector_active(descvec); j++)
+ if ((desc = vector_slot(descvec, j))) {
+ enum match_type ret;
+
+ str = desc->cmd;
+
+ switch (type) {
+ case exact_match:
+ if (!
+ (CMD_OPTION(str)
+ || CMD_VARIABLE(str))
+&& strcmp(command, str) == 0)
+ match++;
+ break;
+ case partly_match:
+ if (!
+ (CMD_OPTION(str)
+ || CMD_VARIABLE(str))
+&& strncmp(command, str, strlen(command)) == 0) {
+ if (matched
+ && strcmp(matched,
+ str) != 0)
+ return 1; /* There is ambiguous match. */
+ else
+ matched = str;
+ match++;
+ }
+ break;
+ case range_match:
+ if (cmd_range_match
+ (str, command)) {
+ if (matched
+ && strcmp(matched,
+ str) != 0)
+ return 1;
+ else
+ matched = str;
+ match++;
+ }
+ break;
+#ifdef HAVE_IPV6
+ case ipv6_match:
+ if (CMD_IPV6(str))
+ match++;
+ break;
+ case ipv6_prefix_match:
+ if ((ret =
+ cmd_ipv6_prefix_match
+ (command)) != no_match) {
+ if (ret == partly_match)
+ return 2; /* There is incomplete match. */
+
+ match++;
+ }
+ break;
+#endif /* HAVE_IPV6 */
+ case ipv4_match:
+ if (CMD_IPV4(str))
+ match++;
+ break;
+ case ipv4_prefix_match:
+ if ((ret =
+ cmd_ipv4_prefix_match
+ (command)) != no_match) {
+ if (ret == partly_match)
+ return 2; /* There is incomplete match. */
+
+ match++;
+ }
+ break;
+ case extend_match:
+ if (CMD_OPTION(str)
+ || CMD_VARIABLE(str))
+ match++;
+ break;
+ case no_match:
+ default:
+ break;
+ }
+ }
+ if (!match)
+ vector_slot(v, i) = NULL;
+ }
+ return 0;
+}
+
+/* If src matches dst return dst string, otherwise return NULL */
+static const char *cmd_entry_function(const char *src, const char *dst)
+{
+ /* Skip variable arguments. */
+ if (CMD_OPTION(dst) || CMD_VARIABLE(dst) || CMD_VARARG(dst) ||
+ CMD_IPV4(dst) || CMD_IPV4_PREFIX(dst) || CMD_RANGE(dst))
+ return NULL;
+
+ /* In case of 'command \t', given src is NULL string. */
+ if (src == NULL)
+ return dst;
+
+ /* Matched with input string. */
+ if (strncmp(src, dst, strlen(src)) == 0)
+ return dst;
+
+ return NULL;
+}
+
+/* If src matches dst return dst string, otherwise return NULL */
+/* This version will return the dst string always if it is
+ CMD_VARIABLE for '?' key processing */
+static const char *cmd_entry_function_desc(const char *src, const char *dst)
+{
+ if (CMD_VARARG(dst))
+ return dst;
+
+ if (CMD_RANGE(dst)) {
+ if (cmd_range_match(dst, src))
+ return dst;
+ else
+ return NULL;
+ }
+#ifdef HAVE_IPV6
+ if (CMD_IPV6(dst)) {
+ if (cmd_ipv6_match(src))
+ return dst;
+ else
+ return NULL;
+ }
+
+ if (CMD_IPV6_PREFIX(dst)) {
+ if (cmd_ipv6_prefix_match(src))
+ return dst;
+ else
+ return NULL;
+ }
+#endif /* HAVE_IPV6 */
+
+ if (CMD_IPV4(dst)) {
+ if (cmd_ipv4_match(src))
+ return dst;
+ else
+ return NULL;
+ }
+
+ if (CMD_IPV4_PREFIX(dst)) {
+ if (cmd_ipv4_prefix_match(src))
+ return dst;
+ else
+ return NULL;
+ }
+
+ /* Optional or variable commands always match on '?' */
+ if (CMD_OPTION(dst) || CMD_VARIABLE(dst))
+ return dst;
+
+ /* In case of 'command \t', given src is NULL string. */
+ if (src == NULL)
+ return dst;
+
+ if (strncmp(src, dst, strlen(src)) == 0)
+ return dst;
+ else
+ return NULL;
+}
+
+/* Check same string element existence. If it isn't there return
+ 1. */
+static int cmd_unique_string(vector v, const char *str)
+{
+ unsigned int i;
+ char *match;
+
+ for (i = 0; i < vector_active(v); i++)
+ if ((match = vector_slot(v, i)) != NULL)
+ if (strcmp(match, str) == 0)
+ return 0;
+ return 1;
+}
+
+/* Compare string to description vector. If there is same string
+ return 1 else return 0. */
+static int desc_unique_string(vector v, const char *str)
+{
+ unsigned int i;
+ struct desc *desc;
+
+ for (i = 0; i < vector_active(v); i++)
+ if ((desc = vector_slot(v, i)) != NULL)
+ if (strcmp(desc->cmd, str) == 0)
+ return 1;
+ return 0;
+}
+
+static int cmd_try_do_shortcut(enum node_type node, char *first_word)
+{
+ if (first_word != NULL &&
+ node != AUTH_NODE &&
+ node != VIEW_NODE &&
+ node != AUTH_ENABLE_NODE &&
+ node != ENABLE_NODE && 0 == strcmp("do", first_word))
+ return 1;
+ return 0;
+}
+
+/* '?' describe command support. */
+static vector
+cmd_describe_command_real(vector vline, struct vty *vty, int *status)
+{
+ unsigned int i;
+ vector cmd_vector;
+#define INIT_MATCHVEC_SIZE 10
+ vector matchvec;
+ struct cmd_element *cmd_element;
+ unsigned int index;
+ int ret;
+ enum match_type match;
+ char *command;
+ static struct desc desc_cr = { "<cr>", "" };
+
+ /* Set index. */
+ if (vector_active(vline) == 0) {
+ *status = CMD_ERR_NO_MATCH;
+ return NULL;
+ } else
+ index = vector_active(vline) - 1;
+
+ /* Make copy vector of current node's command vector. */
+ cmd_vector = vector_copy(cmd_node_vector(cmdvec, vty->node));
+
+ /* Prepare match vector */
+ matchvec = vector_init(INIT_MATCHVEC_SIZE);
+
+ /* Filter commands. */
+ /* Only words precedes current word will be checked in this loop. */
+ for (i = 0; i < index; i++)
+ if ((command = vector_slot(vline, i))) {
+ match =
+ cmd_filter_by_completion(command, cmd_vector, i);
+
+ if (match == vararg_match) {
+ struct cmd_element *cmd_element;
+ vector descvec;
+ unsigned int j, k;
+
+ for (j = 0; j < vector_active(cmd_vector); j++)
+ if ((cmd_element =
+ vector_slot(cmd_vector, j)) != NULL
+ &&
+ (vector_active
+ (cmd_element->strvec))) {
+ descvec =
+ vector_slot(cmd_element->
+ strvec,
+ vector_active
+ (cmd_element->
+ strvec) - 1);
+ for (k = 0;
+ k < vector_active(descvec);
+ k++) {
+ struct desc *desc =
+ vector_slot(descvec,
+ k);
+ vector_set(matchvec,
+ desc);
+ }
+ }
+
+ vector_set(matchvec, &desc_cr);
+ vector_free(cmd_vector);
+
+ return matchvec;
+ }
+
+ if ((ret =
+ is_cmd_ambiguous(command, cmd_vector, i,
+ match)) == 1) {
+ vector_free(cmd_vector);
+ *status = CMD_ERR_AMBIGUOUS;
+ return NULL;
+ } else if (ret == 2) {
+ vector_free(cmd_vector);
+ *status = CMD_ERR_NO_MATCH;
+ return NULL;
+ }
+ }
+
+ /* Prepare match vector */
+ /* matchvec = vector_init (INIT_MATCHVEC_SIZE); */
+
+ /* Make sure that cmd_vector is filtered based on current word */
+ command = vector_slot(vline, index);
+ if (command)
+ match = cmd_filter_by_completion(command, cmd_vector, index);
+
+ /* Make description vector. */
+ for (i = 0; i < vector_active(cmd_vector); i++)
+ if ((cmd_element = vector_slot(cmd_vector, i)) != NULL) {
+ const char *string = NULL;
+ vector strvec = cmd_element->strvec;
+
+ /* if command is NULL, index may be equal to vector_active */
+ if (command && index >= vector_active(strvec))
+ vector_slot(cmd_vector, i) = NULL;
+ else {
+ /* Check if command is completed. */
+ if (command == NULL
+ && index == vector_active(strvec)) {
+ string = "<cr>";
+ if (!desc_unique_string
+ (matchvec, string))
+ vector_set(matchvec, &desc_cr);
+ } else {
+ unsigned int j;
+ vector descvec =
+ vector_slot(strvec, index);
+ struct desc *desc;
+
+ for (j = 0; j < vector_active(descvec);
+ j++)
+ if ((desc =
+ vector_slot(descvec, j))) {
+ string =
+ cmd_entry_function_desc
+ (command,
+ desc->cmd);
+ if (string) {
+ /* Uniqueness check */
+ if (!desc_unique_string(matchvec, string))
+ vector_set
+ (matchvec,
+ desc);
+ }
+ }
+ }
+ }
+ }
+ vector_free(cmd_vector);
+
+ if (vector_slot(matchvec, 0) == NULL) {
+ vector_free(matchvec);
+ *status = CMD_ERR_NO_MATCH;
+ } else
+ *status = CMD_SUCCESS;
+
+ return matchvec;
+}
+
+vector cmd_describe_command(vector vline, struct vty * vty, int *status)
+{
+ vector ret;
+
+ if (cmd_try_do_shortcut(vty->node, vector_slot(vline, 0))) {
+ enum node_type onode;
+ vector shifted_vline;
+ unsigned int index;
+
+ onode = vty->node;
+ vty->node = ENABLE_NODE;
+ /* We can try it on enable node, cos' the vty is authenticated */
+
+ shifted_vline = vector_init(vector_count(vline));
+ /* use memcpy? */
+ for (index = 1; index < vector_active(vline); index++) {
+ vector_set_index(shifted_vline, index - 1,
+ vector_lookup(vline, index));
+ }
+
+ ret = cmd_describe_command_real(shifted_vline, vty, status);
+
+ vector_free(shifted_vline);
+ vty->node = onode;
+ return ret;
+ }
+
+ return cmd_describe_command_real(vline, vty, status);
+}
+
+/* Check LCD of matched command. */
+static int cmd_lcd(char **matched)
+{
+ int i;
+ int j;
+ int lcd = -1;
+ char *s1, *s2;
+ char c1, c2;
+
+ if (matched[0] == NULL || matched[1] == NULL)
+ return 0;
+
+ for (i = 1; matched[i] != NULL; i++) {
+ s1 = matched[i - 1];
+ s2 = matched[i];
+
+ for (j = 0; (c1 = s1[j]) && (c2 = s2[j]); j++)
+ if (c1 != c2)
+ break;
+
+ if (lcd < 0)
+ lcd = j;
+ else {
+ if (lcd > j)
+ lcd = j;
+ }
+ }
+ return lcd;
+}
+
+/* Command line completion support. */
+static char **cmd_complete_command_real(vector vline, struct vty *vty,
+ int *status)
+{
+ unsigned int i;
+ vector cmd_vector = vector_copy(cmd_node_vector(cmdvec, vty->node));
+#define INIT_MATCHVEC_SIZE 10
+ vector matchvec;
+ struct cmd_element *cmd_element;
+ unsigned int index;
+ char **match_str;
+ struct desc *desc;
+ vector descvec;
+ char *command;
+ int lcd;
+
+ if (vector_active(vline) == 0) {
+ *status = CMD_ERR_NO_MATCH;
+ return NULL;
+ } else
+ index = vector_active(vline) - 1;
+
+ /* First, filter by preceeding command string */
+ for (i = 0; i < index; i++)
+ if ((command = vector_slot(vline, i))) {
+ enum match_type match;
+ int ret;
+
+ /* First try completion match, if there is exactly match return 1 */
+ match =
+ cmd_filter_by_completion(command, cmd_vector, i);
+
+ /* If there is exact match then filter ambiguous match else check
+ ambiguousness. */
+ if ((ret =
+ is_cmd_ambiguous(command, cmd_vector, i,
+ match)) == 1) {
+ vector_free(cmd_vector);
+ *status = CMD_ERR_AMBIGUOUS;
+ return NULL;
+ }
+ /*
+ else if (ret == 2)
+ {
+ vector_free (cmd_vector);
+ *status = CMD_ERR_NO_MATCH;
+ return NULL;
+ }
+ */
+ }
+
+ /* Prepare match vector. */
+ matchvec = vector_init(INIT_MATCHVEC_SIZE);
+
+ /* Now we got into completion */
+ for (i = 0; i < vector_active(cmd_vector); i++)
+ if ((cmd_element = vector_slot(cmd_vector, i))) {
+ const char *string;
+ vector strvec = cmd_element->strvec;
+
+ /* Check field length */
+ if (index >= vector_active(strvec))
+ vector_slot(cmd_vector, i) = NULL;
+ else {
+ unsigned int j;
+
+ descvec = vector_slot(strvec, index);
+ for (j = 0; j < vector_active(descvec); j++)
+ if ((desc = vector_slot(descvec, j))) {
+ if ((string = cmd_entry_function(vector_slot(vline, index), desc->cmd)))
+ if (cmd_unique_string (matchvec, string))
+ vector_set (matchvec, talloc_strdup(tall_vty_cmd_ctx, string));
+ }
+ }
+ }
+
+ /* We don't need cmd_vector any more. */
+ vector_free(cmd_vector);
+
+ /* No matched command */
+ if (vector_slot(matchvec, 0) == NULL) {
+ vector_free(matchvec);
+
+ /* In case of 'command \t' pattern. Do you need '?' command at
+ the end of the line. */
+ if (vector_slot(vline, index) == '\0')
+ *status = CMD_ERR_NOTHING_TODO;
+ else
+ *status = CMD_ERR_NO_MATCH;
+ return NULL;
+ }
+
+ /* Only one matched */
+ if (vector_slot(matchvec, 1) == NULL) {
+ match_str = (char **)matchvec->index;
+ vector_only_wrapper_free(matchvec);
+ *status = CMD_COMPLETE_FULL_MATCH;
+ return match_str;
+ }
+ /* Make it sure last element is NULL. */
+ vector_set(matchvec, NULL);
+
+ /* Check LCD of matched strings. */
+ if (vector_slot(vline, index) != NULL) {
+ lcd = cmd_lcd((char **)matchvec->index);
+
+ if (lcd) {
+ int len = strlen(vector_slot(vline, index));
+
+ if (len < lcd) {
+ char *lcdstr;
+
+ lcdstr = _talloc_zero(tall_vty_cmd_ctx, lcd + 1,
+ "complete-lcdstr");
+ memcpy(lcdstr, matchvec->index[0], lcd);
+ lcdstr[lcd] = '\0';
+
+ /* match_str = (char **) &lcdstr; */
+
+ /* Free matchvec. */
+ for (i = 0; i < vector_active(matchvec); i++) {
+ if (vector_slot(matchvec, i))
+ talloc_free(vector_slot(matchvec, i));
+ }
+ vector_free(matchvec);
+
+ /* Make new matchvec. */
+ matchvec = vector_init(INIT_MATCHVEC_SIZE);
+ vector_set(matchvec, lcdstr);
+ match_str = (char **)matchvec->index;
+ vector_only_wrapper_free(matchvec);
+
+ *status = CMD_COMPLETE_MATCH;
+ return match_str;
+ }
+ }
+ }
+
+ match_str = (char **)matchvec->index;
+ vector_only_wrapper_free(matchvec);
+ *status = CMD_COMPLETE_LIST_MATCH;
+ return match_str;
+}
+
+char **cmd_complete_command(vector vline, struct vty *vty, int *status)
+{
+ char **ret;
+
+ if (cmd_try_do_shortcut(vty->node, vector_slot(vline, 0))) {
+ enum node_type onode;
+ vector shifted_vline;
+ unsigned int index;
+
+ onode = vty->node;
+ vty->node = ENABLE_NODE;
+ /* We can try it on enable node, cos' the vty is authenticated */
+
+ shifted_vline = vector_init(vector_count(vline));
+ /* use memcpy? */
+ for (index = 1; index < vector_active(vline); index++) {
+ vector_set_index(shifted_vline, index - 1,
+ vector_lookup(vline, index));
+ }
+
+ ret = cmd_complete_command_real(shifted_vline, vty, status);
+
+ vector_free(shifted_vline);
+ vty->node = onode;
+ return ret;
+ }
+
+ return cmd_complete_command_real(vline, vty, status);
+}
+
+/* return parent node */
+/* MUST eventually converge on CONFIG_NODE */
+enum node_type vty_go_parent(struct vty *vty)
+{
+ assert(vty->node > CONFIG_NODE);
+
+ if (vty_go_parent_cb)
+ vty_go_parent_cb(vty);
+ else
+ vty->node = CONFIG_NODE;
+
+ return vty->node;
+}
+
+/* Execute command by argument vline vector. */
+static int
+cmd_execute_command_real(vector vline, struct vty *vty,
+ struct cmd_element **cmd)
+{
+ unsigned int i;
+ unsigned int index;
+ vector cmd_vector;
+ struct cmd_element *cmd_element;
+ struct cmd_element *matched_element;
+ unsigned int matched_count, incomplete_count;
+ int argc;
+ const char *argv[CMD_ARGC_MAX];
+ enum match_type match = 0;
+ int varflag;
+ char *command;
+
+ /* Make copy of command elements. */
+ cmd_vector = vector_copy(cmd_node_vector(cmdvec, vty->node));
+
+ for (index = 0; index < vector_active(vline); index++)
+ if ((command = vector_slot(vline, index))) {
+ int ret;
+
+ match =
+ cmd_filter_by_completion(command, cmd_vector,
+ index);
+
+ if (match == vararg_match)
+ break;
+
+ ret =
+ is_cmd_ambiguous(command, cmd_vector, index, match);
+
+ if (ret == 1) {
+ vector_free(cmd_vector);
+ return CMD_ERR_AMBIGUOUS;
+ } else if (ret == 2) {
+ vector_free(cmd_vector);
+ return CMD_ERR_NO_MATCH;
+ }
+ }
+
+ /* Check matched count. */
+ matched_element = NULL;
+ matched_count = 0;
+ incomplete_count = 0;
+
+ for (i = 0; i < vector_active(cmd_vector); i++)
+ if ((cmd_element = vector_slot(cmd_vector, i))) {
+ if (match == vararg_match
+ || index >= cmd_element->cmdsize) {
+ matched_element = cmd_element;
+#if 0
+ printf("DEBUG: %s\n", cmd_element->string);
+#endif
+ matched_count++;
+ } else {
+ incomplete_count++;
+ }
+ }
+
+ /* Finish of using cmd_vector. */
+ vector_free(cmd_vector);
+
+ /* To execute command, matched_count must be 1. */
+ if (matched_count == 0) {
+ if (incomplete_count)
+ return CMD_ERR_INCOMPLETE;
+ else
+ return CMD_ERR_NO_MATCH;
+ }
+
+ if (matched_count > 1)
+ return CMD_ERR_AMBIGUOUS;
+
+ /* Argument treatment */
+ varflag = 0;
+ argc = 0;
+
+ for (i = 0; i < vector_active(vline); i++) {
+ if (varflag)
+ argv[argc++] = vector_slot(vline, i);
+ else {
+ vector descvec =
+ vector_slot(matched_element->strvec, i);
+
+ if (vector_active(descvec) == 1) {
+ struct desc *desc = vector_slot(descvec, 0);
+
+ if (CMD_VARARG(desc->cmd))
+ varflag = 1;
+
+ if (varflag || CMD_VARIABLE(desc->cmd)
+ || CMD_OPTION(desc->cmd))
+ argv[argc++] = vector_slot(vline, i);
+ } else
+ argv[argc++] = vector_slot(vline, i);
+ }
+
+ if (argc >= CMD_ARGC_MAX)
+ return CMD_ERR_EXEED_ARGC_MAX;
+ }
+
+ /* For vtysh execution. */
+ if (cmd)
+ *cmd = matched_element;
+
+ if (matched_element->daemon)
+ return CMD_SUCCESS_DAEMON;
+
+ /* Execute matched command. */
+ return (*matched_element->func) (matched_element, vty, argc, argv);
+}
+
+int
+cmd_execute_command(vector vline, struct vty *vty, struct cmd_element **cmd,
+ int vtysh)
+{
+ int ret, saved_ret, tried = 0;
+ enum node_type onode;
+ void *oindex;
+
+ onode = vty->node;
+ oindex = vty->index;
+
+ if (cmd_try_do_shortcut(vty->node, vector_slot(vline, 0))) {
+ vector shifted_vline;
+ unsigned int index;
+
+ vty->node = ENABLE_NODE;
+ /* We can try it on enable node, cos' the vty is authenticated */
+
+ shifted_vline = vector_init(vector_count(vline));
+ /* use memcpy? */
+ for (index = 1; index < vector_active(vline); index++) {
+ vector_set_index(shifted_vline, index - 1,
+ vector_lookup(vline, index));
+ }
+
+ ret = cmd_execute_command_real(shifted_vline, vty, cmd);
+
+ vector_free(shifted_vline);
+ vty->node = onode;
+ return ret;
+ }
+
+ saved_ret = ret = cmd_execute_command_real(vline, vty, cmd);
+
+ if (vtysh)
+ return saved_ret;
+
+ /* This assumes all nodes above CONFIG_NODE are childs of CONFIG_NODE */
+ while (ret != CMD_SUCCESS && ret != CMD_WARNING
+ && vty->node > CONFIG_NODE) {
+ vty_go_parent(vty);
+ ret = cmd_execute_command_real(vline, vty, cmd);
+ tried = 1;
+ if (ret == CMD_SUCCESS || ret == CMD_WARNING) {
+ /* succesfull command, leave the node as is */
+ return ret;
+ }
+ }
+ /* no command succeeded, reset the vty to the original node and
+ return the error for this node */
+ if (tried) {
+ vty->node = onode;
+ vty->index = oindex;
+ }
+ return saved_ret;
+}
+
+/* Execute command by argument readline. */
+int
+cmd_execute_command_strict(vector vline, struct vty *vty,
+ struct cmd_element **cmd)
+{
+ unsigned int i;
+ unsigned int index;
+ vector cmd_vector;
+ struct cmd_element *cmd_element;
+ struct cmd_element *matched_element;
+ unsigned int matched_count, incomplete_count;
+ int argc;
+ const char *argv[CMD_ARGC_MAX];
+ int varflag;
+ enum match_type match = 0;
+ char *command;
+
+ /* Make copy of command element */
+ cmd_vector = vector_copy(cmd_node_vector(cmdvec, vty->node));
+
+ for (index = 0; index < vector_active(vline); index++)
+ if ((command = vector_slot(vline, index))) {
+ int ret;
+
+ match = cmd_filter_by_string(vector_slot(vline, index),
+ cmd_vector, index);
+
+ /* If command meets '.VARARG' then finish matching. */
+ if (match == vararg_match)
+ break;
+
+ ret =
+ is_cmd_ambiguous(command, cmd_vector, index, match);
+ if (ret == 1) {
+ vector_free(cmd_vector);
+ return CMD_ERR_AMBIGUOUS;
+ }
+ if (ret == 2) {
+ vector_free(cmd_vector);
+ return CMD_ERR_NO_MATCH;
+ }
+ }
+
+ /* Check matched count. */
+ matched_element = NULL;
+ matched_count = 0;
+ incomplete_count = 0;
+ for (i = 0; i < vector_active(cmd_vector); i++)
+ if (vector_slot(cmd_vector, i) != NULL) {
+ cmd_element = vector_slot(cmd_vector, i);
+
+ if (match == vararg_match
+ || index >= cmd_element->cmdsize) {
+ matched_element = cmd_element;
+ matched_count++;
+ } else
+ incomplete_count++;
+ }
+
+ /* Finish of using cmd_vector. */
+ vector_free(cmd_vector);
+
+ /* To execute command, matched_count must be 1. */
+ if (matched_count == 0) {
+ if (incomplete_count)
+ return CMD_ERR_INCOMPLETE;
+ else
+ return CMD_ERR_NO_MATCH;
+ }
+
+ if (matched_count > 1)
+ return CMD_ERR_AMBIGUOUS;
+
+ /* Argument treatment */
+ varflag = 0;
+ argc = 0;
+
+ for (i = 0; i < vector_active(vline); i++) {
+ if (varflag)
+ argv[argc++] = vector_slot(vline, i);
+ else {
+ vector descvec =
+ vector_slot(matched_element->strvec, i);
+
+ if (vector_active(descvec) == 1) {
+ struct desc *desc = vector_slot(descvec, 0);
+
+ if (CMD_VARARG(desc->cmd))
+ varflag = 1;
+
+ if (varflag || CMD_VARIABLE(desc->cmd)
+ || CMD_OPTION(desc->cmd))
+ argv[argc++] = vector_slot(vline, i);
+ } else
+ argv[argc++] = vector_slot(vline, i);
+ }
+
+ if (argc >= CMD_ARGC_MAX)
+ return CMD_ERR_EXEED_ARGC_MAX;
+ }
+
+ /* For vtysh execution. */
+ if (cmd)
+ *cmd = matched_element;
+
+ if (matched_element->daemon)
+ return CMD_SUCCESS_DAEMON;
+
+ /* Now execute matched command */
+ return (*matched_element->func) (matched_element, vty, argc, argv);
+}
+
+/* Configration make from file. */
+int config_from_file(struct vty *vty, FILE * fp)
+{
+ int ret;
+ vector vline;
+
+ while (fgets(vty->buf, VTY_BUFSIZ, fp)) {
+ vline = cmd_make_strvec(vty->buf);
+
+ /* In case of comment line */
+ if (vline == NULL)
+ continue;
+ /* Execute configuration command : this is strict match */
+ ret = cmd_execute_command_strict(vline, vty, NULL);
+
+ /* Try again with setting node to CONFIG_NODE */
+ while (ret != CMD_SUCCESS && ret != CMD_WARNING
+ && ret != CMD_ERR_NOTHING_TODO
+ && vty->node != CONFIG_NODE) {
+ vty_go_parent(vty);
+ ret = cmd_execute_command_strict(vline, vty, NULL);
+ }
+
+ cmd_free_strvec(vline);
+
+ if (ret != CMD_SUCCESS && ret != CMD_WARNING
+ && ret != CMD_ERR_NOTHING_TODO)
+ return ret;
+ }
+ return CMD_SUCCESS;
+}
+
+/* Configration from terminal */
+DEFUN(config_terminal,
+ config_terminal_cmd,
+ "configure terminal",
+ "Configuration from vty interface\n" "Configuration terminal\n")
+{
+ if (vty_config_lock(vty))
+ vty->node = CONFIG_NODE;
+ else {
+ vty_out(vty, "VTY configuration is locked by other VTY%s",
+ VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+ return CMD_SUCCESS;
+}
+
+/* Enable command */
+DEFUN(enable, config_enable_cmd, "enable", "Turn on privileged mode command\n")
+{
+ /* If enable password is NULL, change to ENABLE_NODE */
+ if ((host.enable == NULL && host.enable_encrypt == NULL) ||
+ vty->type == VTY_SHELL_SERV)
+ vty->node = ENABLE_NODE;
+ else
+ vty->node = AUTH_ENABLE_NODE;
+
+ return CMD_SUCCESS;
+}
+
+/* Disable command */
+DEFUN(disable,
+ config_disable_cmd, "disable", "Turn off privileged mode command\n")
+{
+ if (vty->node == ENABLE_NODE)
+ vty->node = VIEW_NODE;
+ return CMD_SUCCESS;
+}
+
+/* Down vty node level. */
+gDEFUN(config_exit,
+ config_exit_cmd, "exit", "Exit current mode and down to previous mode\n")
+{
+ switch (vty->node) {
+ case VIEW_NODE:
+ case ENABLE_NODE:
+ if (0) //vty_shell (vty))
+ exit(0);
+ else
+ vty->status = VTY_CLOSE;
+ break;
+ case CONFIG_NODE:
+ vty->node = ENABLE_NODE;
+ vty_config_unlock(vty);
+ break;
+ case VTY_NODE:
+ vty->node = CONFIG_NODE;
+ break;
+ default:
+ break;
+ }
+ return CMD_SUCCESS;
+}
+
+/* End of configuration. */
+ gDEFUN(config_end,
+ config_end_cmd, "end", "End current mode and change to enable mode.")
+{
+ switch (vty->node) {
+ case VIEW_NODE:
+ case ENABLE_NODE:
+ /* Nothing to do. */
+ break;
+ case CONFIG_NODE:
+ case VTY_NODE:
+ vty_config_unlock(vty);
+ vty->node = ENABLE_NODE;
+ break;
+ default:
+ break;
+ }
+ return CMD_SUCCESS;
+}
+
+/* Show version. */
+DEFUN(show_version,
+ show_version_cmd, "show version", SHOW_STR "Displays program version\n")
+{
+ vty_out(vty, "%s %s (%s).%s", host.prog_name, host.prog_version,
+ host.name ? host.name : "", VTY_NEWLINE);
+ vty_out(vty, "%s%s", host.prog_copyright, VTY_NEWLINE);
+
+ return CMD_SUCCESS;
+}
+
+/* Help display function for all node. */
+gDEFUN(config_help,
+ config_help_cmd, "help", "Description of the interactive help system\n")
+{
+ vty_out(vty,
+ "This VTY provides advanced help features. When you need help,%s\
+anytime at the command line please press '?'.%s\
+%s\
+If nothing matches, the help list will be empty and you must backup%s\
+ until entering a '?' shows the available options.%s\
+Two styles of help are provided:%s\
+1. Full help is available when you are ready to enter a%s\
+command argument (e.g. 'show ?') and describes each possible%s\
+argument.%s\
+2. Partial help is provided when an abbreviated argument is entered%s\
+ and you want to know what arguments match the input%s\
+ (e.g. 'show me?'.)%s%s", VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE,
+ VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE, VTY_NEWLINE);
+ return CMD_SUCCESS;
+}
+
+/* Help display function for all node. */
+gDEFUN(config_list, config_list_cmd, "list", "Print command list\n")
+{
+ unsigned int i;
+ struct cmd_node *cnode = vector_slot(cmdvec, vty->node);
+ struct cmd_element *cmd;
+
+ for (i = 0; i < vector_active(cnode->cmd_vector); i++)
+ if ((cmd = vector_slot(cnode->cmd_vector, i)) != NULL
+ && !(cmd->attr == CMD_ATTR_DEPRECATED
+ || cmd->attr == CMD_ATTR_HIDDEN))
+ vty_out(vty, " %s%s", cmd->string, VTY_NEWLINE);
+ return CMD_SUCCESS;
+}
+
+/* Write current configuration into file. */
+DEFUN(config_write_file,
+ config_write_file_cmd,
+ "write file",
+ "Write running configuration to memory, network, or terminal\n"
+ "Write to configuration file\n")
+{
+ unsigned int i;
+ int fd;
+ struct cmd_node *node;
+ char *config_file;
+ char *config_file_tmp = NULL;
+ char *config_file_sav = NULL;
+ struct vty *file_vty;
+
+ /* Check and see if we are operating under vtysh configuration */
+ if (host.config == NULL) {
+ vty_out(vty, "Can't save to configuration file, using vtysh.%s",
+ VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ /* Get filename. */
+ config_file = host.config;
+
+ config_file_sav =
+ _talloc_zero(tall_vty_cmd_ctx,
+ strlen(config_file) + strlen(CONF_BACKUP_EXT) + 1,
+ "config_file_sav");
+ strcpy(config_file_sav, config_file);
+ strcat(config_file_sav, CONF_BACKUP_EXT);
+
+ config_file_tmp = _talloc_zero(tall_vty_cmd_ctx, strlen(config_file) + 8,
+ "config_file_tmp");
+ sprintf(config_file_tmp, "%s.XXXXXX", config_file);
+
+ /* Open file to configuration write. */
+ fd = mkstemp(config_file_tmp);
+ if (fd < 0) {
+ vty_out(vty, "Can't open configuration file %s.%s",
+ config_file_tmp, VTY_NEWLINE);
+ talloc_free(config_file_tmp);
+ talloc_free(config_file_sav);
+ return CMD_WARNING;
+ }
+
+ /* Make vty for configuration file. */
+ file_vty = vty_new();
+ file_vty->fd = fd;
+ file_vty->type = VTY_FILE;
+
+ /* Config file header print. */
+ vty_out(file_vty, "!\n! %s (%s) configuration saved from vty\n!",
+ host.prog_name, host.prog_version);
+ //vty_time_print (file_vty, 1);
+ vty_out(file_vty, "!\n");
+
+ for (i = 0; i < vector_active(cmdvec); i++)
+ if ((node = vector_slot(cmdvec, i)) && node->func) {
+ if ((*node->func) (file_vty))
+ vty_out(file_vty, "!\n");
+ }
+ vty_close(file_vty);
+
+ if (unlink(config_file_sav) != 0)
+ if (errno != ENOENT) {
+ vty_out(vty,
+ "Can't unlink backup configuration file %s.%s",
+ config_file_sav, VTY_NEWLINE);
+ talloc_free(config_file_sav);
+ talloc_free(config_file_tmp);
+ unlink(config_file_tmp);
+ return CMD_WARNING;
+ }
+ if (link(config_file, config_file_sav) != 0) {
+ vty_out(vty, "Can't backup old configuration file %s.%s",
+ config_file_sav, VTY_NEWLINE);
+ talloc_free(config_file_sav);
+ talloc_free(config_file_tmp);
+ unlink(config_file_tmp);
+ return CMD_WARNING;
+ }
+ sync();
+ if (unlink(config_file) != 0) {
+ vty_out(vty, "Can't unlink configuration file %s.%s",
+ config_file, VTY_NEWLINE);
+ talloc_free(config_file_sav);
+ talloc_free(config_file_tmp);
+ unlink(config_file_tmp);
+ return CMD_WARNING;
+ }
+ if (link(config_file_tmp, config_file) != 0) {
+ vty_out(vty, "Can't save configuration file %s.%s", config_file,
+ VTY_NEWLINE);
+ talloc_free(config_file_sav);
+ talloc_free(config_file_tmp);
+ unlink(config_file_tmp);
+ return CMD_WARNING;
+ }
+ unlink(config_file_tmp);
+ sync();
+
+ talloc_free(config_file_sav);
+ talloc_free(config_file_tmp);
+
+ if (chmod(config_file, 0666 & ~CONFIGFILE_MASK) != 0) {
+ vty_out(vty, "Can't chmod configuration file %s: %s (%d).%s",
+ config_file, strerror(errno), errno, VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ vty_out(vty, "Configuration saved to %s%s", config_file, VTY_NEWLINE);
+ return CMD_SUCCESS;
+}
+
+ALIAS(config_write_file,
+ config_write_cmd,
+ "write", "Write running configuration to memory, network, or terminal\n")
+
+ ALIAS(config_write_file,
+ config_write_memory_cmd,
+ "write memory",
+ "Write running configuration to memory, network, or terminal\n"
+ "Write configuration to the file (same as write file)\n")
+
+ ALIAS(config_write_file,
+ copy_runningconfig_startupconfig_cmd,
+ "copy running-config startup-config",
+ "Copy configuration\n"
+ "Copy running config to... \n"
+ "Copy running config to startup config (same as write file)\n")
+
+/* Write current configuration into the terminal. */
+ DEFUN(config_write_terminal,
+ config_write_terminal_cmd,
+ "write terminal",
+ "Write running configuration to memory, network, or terminal\n"
+ "Write to terminal\n")
+{
+ unsigned int i;
+ struct cmd_node *node;
+
+ if (vty->type == VTY_SHELL_SERV) {
+ for (i = 0; i < vector_active(cmdvec); i++)
+ if ((node = vector_slot(cmdvec, i)) && node->func
+ && node->vtysh) {
+ if ((*node->func) (vty))
+ vty_out(vty, "!%s", VTY_NEWLINE);
+ }
+ } else {
+ vty_out(vty, "%sCurrent configuration:%s", VTY_NEWLINE,
+ VTY_NEWLINE);
+ vty_out(vty, "!%s", VTY_NEWLINE);
+
+ for (i = 0; i < vector_active(cmdvec); i++)
+ if ((node = vector_slot(cmdvec, i)) && node->func) {
+ if ((*node->func) (vty))
+ vty_out(vty, "!%s", VTY_NEWLINE);
+ }
+ vty_out(vty, "end%s", VTY_NEWLINE);
+ }
+ return CMD_SUCCESS;
+}
+
+/* Write current configuration into the terminal. */
+ALIAS(config_write_terminal,
+ show_running_config_cmd,
+ "show running-config", SHOW_STR "running configuration\n")
+
+/* Write startup configuration into the terminal. */
+ DEFUN(show_startup_config,
+ show_startup_config_cmd,
+ "show startup-config", SHOW_STR "Contentes of startup configuration\n")
+{
+ char buf[BUFSIZ];
+ FILE *confp;
+
+ confp = fopen(host.config, "r");
+ if (confp == NULL) {
+ vty_out(vty, "Can't open configuration file [%s]%s",
+ host.config, VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ while (fgets(buf, BUFSIZ, confp)) {
+ char *cp = buf;
+
+ while (*cp != '\r' && *cp != '\n' && *cp != '\0')
+ cp++;
+ *cp = '\0';
+
+ vty_out(vty, "%s%s", buf, VTY_NEWLINE);
+ }
+
+ fclose(confp);
+
+ return CMD_SUCCESS;
+}
+
+/* Hostname configuration */
+DEFUN(config_hostname,
+ hostname_cmd,
+ "hostname WORD",
+ "Set system's network name\n" "This system's network name\n")
+{
+ if (!isalpha((int)*argv[0])) {
+ vty_out(vty, "Please specify string starting with alphabet%s",
+ VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ if (host.name)
+ talloc_free(host.name);
+
+ host.name = talloc_strdup(tall_vty_cmd_ctx, argv[0]);
+ return CMD_SUCCESS;
+}
+
+DEFUN(config_no_hostname,
+ no_hostname_cmd,
+ "no hostname [HOSTNAME]",
+ NO_STR "Reset system's network name\n" "Host name of this router\n")
+{
+ if (host.name)
+ talloc_free(host.name);
+ host.name = NULL;
+ return CMD_SUCCESS;
+}
+
+/* VTY interface password set. */
+DEFUN(config_password, password_cmd,
+ "password (8|) WORD",
+ "Assign the terminal connection password\n"
+ "Specifies a HIDDEN password will follow\n"
+ "dummy string \n" "The HIDDEN line password string\n")
+{
+ /* Argument check. */
+ if (argc == 0) {
+ vty_out(vty, "Please specify password.%s", VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ if (argc == 2) {
+ if (*argv[0] == '8') {
+ if (host.password)
+ talloc_free(host.password);
+ host.password = NULL;
+ if (host.password_encrypt)
+ talloc_free(host.password_encrypt);
+ host.password_encrypt = talloc_strdup(tall_vty_cmd_ctx, argv[1]);
+ return CMD_SUCCESS;
+ } else {
+ vty_out(vty, "Unknown encryption type.%s", VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+ }
+
+ if (!isalnum((int)*argv[0])) {
+ vty_out(vty,
+ "Please specify string starting with alphanumeric%s",
+ VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ if (host.password)
+ talloc_free(host.password);
+ host.password = NULL;
+
+#ifdef VTY_CRYPT_PW
+ if (host.encrypt) {
+ if (host.password_encrypt)
+ talloc_free(host.password_encrypt);
+ host.password_encrypt = talloc_strdup(tall_vty_cmd_ctx, zencrypt(argv[0]));
+ } else
+#endif
+ host.password = talloc_strdup(tall_vty_cmd_ctx, argv[0]);
+
+ return CMD_SUCCESS;
+}
+
+ALIAS(config_password, password_text_cmd,
+ "password LINE",
+ "Assign the terminal connection password\n"
+ "The UNENCRYPTED (cleartext) line password\n")
+
+/* VTY enable password set. */
+ DEFUN(config_enable_password, enable_password_cmd,
+ "enable password (8|) WORD",
+ "Modify enable password parameters\n"
+ "Assign the privileged level password\n"
+ "Specifies a HIDDEN password will follow\n"
+ "dummy string \n" "The HIDDEN 'enable' password string\n")
+{
+ /* Argument check. */
+ if (argc == 0) {
+ vty_out(vty, "Please specify password.%s", VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ /* Crypt type is specified. */
+ if (argc == 2) {
+ if (*argv[0] == '8') {
+ if (host.enable)
+ talloc_free(host.enable);
+ host.enable = NULL;
+
+ if (host.enable_encrypt)
+ talloc_free(host.enable_encrypt);
+ host.enable_encrypt = talloc_strdup(tall_vty_cmd_ctx, argv[1]);
+
+ return CMD_SUCCESS;
+ } else {
+ vty_out(vty, "Unknown encryption type.%s", VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+ }
+
+ if (!isalnum((int)*argv[0])) {
+ vty_out(vty,
+ "Please specify string starting with alphanumeric%s",
+ VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+
+ if (host.enable)
+ talloc_free(host.enable);
+ host.enable = NULL;
+
+ /* Plain password input. */
+#ifdef VTY_CRYPT_PW
+ if (host.encrypt) {
+ if (host.enable_encrypt)
+ talloc_free(host.enable_encrypt);
+ host.enable_encrypt = talloc_strdup(tall_vty_cmd_ctx, zencrypt(argv[0]));
+ } else
+#endif
+ host.enable = talloc_strdup(tall_vty_cmd_ctx, argv[0]);
+
+ return CMD_SUCCESS;
+}
+
+ALIAS(config_enable_password,
+ enable_password_text_cmd,
+ "enable password LINE",
+ "Modify enable password parameters\n"
+ "Assign the privileged level password\n"
+ "The UNENCRYPTED (cleartext) 'enable' password\n")
+
+/* VTY enable password delete. */
+ DEFUN(no_config_enable_password, no_enable_password_cmd,
+ "no enable password",
+ NO_STR
+ "Modify enable password parameters\n"
+ "Assign the privileged level password\n")
+{
+ if (host.enable)
+ talloc_free(host.enable);
+ host.enable = NULL;
+
+ if (host.enable_encrypt)
+ talloc_free(host.enable_encrypt);
+ host.enable_encrypt = NULL;
+
+ return CMD_SUCCESS;
+}
+
+#ifdef VTY_CRYPT_PW
+DEFUN(service_password_encrypt,
+ service_password_encrypt_cmd,
+ "service password-encryption",
+ "Set up miscellaneous service\n" "Enable encrypted passwords\n")
+{
+ if (host.encrypt)
+ return CMD_SUCCESS;
+
+ host.encrypt = 1;
+
+ if (host.password) {
+ if (host.password_encrypt)
+ talloc_free(host.password_encrypt);
+ host.password_encrypt = talloc_strdup(tall_vty_cmd_ctx, zencrypt(host.password));
+ }
+ if (host.enable) {
+ if (host.enable_encrypt)
+ talloc_free(host.enable_encrypt);
+ host.enable_encrypt = talloc_strdup(tall_vty_cmd_ctx, zencrypt(host.enable));
+ }
+
+ return CMD_SUCCESS;
+}
+
+DEFUN(no_service_password_encrypt,
+ no_service_password_encrypt_cmd,
+ "no service password-encryption",
+ NO_STR "Set up miscellaneous service\n" "Enable encrypted passwords\n")
+{
+ if (!host.encrypt)
+ return CMD_SUCCESS;
+
+ host.encrypt = 0;
+
+ if (host.password_encrypt)
+ talloc_free(host.password_encrypt);
+ host.password_encrypt = NULL;
+
+ if (host.enable_encrypt)
+ talloc_free(host.enable_encrypt);
+ host.enable_encrypt = NULL;
+
+ return CMD_SUCCESS;
+}
+#endif
+
+DEFUN(config_terminal_length, config_terminal_length_cmd,
+ "terminal length <0-512>",
+ "Set terminal line parameters\n"
+ "Set number of lines on a screen\n"
+ "Number of lines on screen (0 for no pausing)\n")
+{
+ int lines;
+ char *endptr = NULL;
+
+ lines = strtol(argv[0], &endptr, 10);
+ if (lines < 0 || lines > 512 || *endptr != '\0') {
+ vty_out(vty, "length is malformed%s", VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+ vty->lines = lines;
+
+ return CMD_SUCCESS;
+}
+
+DEFUN(config_terminal_no_length, config_terminal_no_length_cmd,
+ "terminal no length",
+ "Set terminal line parameters\n"
+ NO_STR "Set number of lines on a screen\n")
+{
+ vty->lines = -1;
+ return CMD_SUCCESS;
+}
+
+DEFUN(service_terminal_length, service_terminal_length_cmd,
+ "service terminal-length <0-512>",
+ "Set up miscellaneous service\n"
+ "System wide terminal length configuration\n"
+ "Number of lines of VTY (0 means no line control)\n")
+{
+ int lines;
+ char *endptr = NULL;
+
+ lines = strtol(argv[0], &endptr, 10);
+ if (lines < 0 || lines > 512 || *endptr != '\0') {
+ vty_out(vty, "length is malformed%s", VTY_NEWLINE);
+ return CMD_WARNING;
+ }
+ host.lines = lines;
+
+ return CMD_SUCCESS;
+}
+
+DEFUN(no_service_terminal_length, no_service_terminal_length_cmd,
+ "no service terminal-length [<0-512>]",
+ NO_STR
+ "Set up miscellaneous service\n"
+ "System wide terminal length configuration\n"
+ "Number of lines of VTY (0 means no line control)\n")
+{
+ host.lines = -1;
+ return CMD_SUCCESS;
+}
+
+DEFUN_HIDDEN(do_echo,
+ echo_cmd,
+ "echo .MESSAGE",
+ "Echo a message back to the vty\n" "The message to echo\n")
+{
+ char *message;
+
+ vty_out(vty, "%s%s",
+ ((message =
+ argv_concat(argv, argc, 0)) ? message : ""), VTY_NEWLINE);
+ if (message)
+ talloc_free(message);
+ return CMD_SUCCESS;
+}
+
+#if 0
+DEFUN(config_logmsg,
+ config_logmsg_cmd,
+ "logmsg " LOG_LEVELS " .MESSAGE",
+ "Send a message to enabled logging destinations\n"
+ LOG_LEVEL_DESC "The message to send\n")
+{
+ int level;
+ char *message;
+
+ if ((level = level_match(argv[0])) == ZLOG_DISABLED)
+ return CMD_ERR_NO_MATCH;
+
+ zlog(NULL, level,
+ ((message = argv_concat(argv, argc, 1)) ? message : ""));
+ if (message)
+ talloc_free(message);
+ return CMD_SUCCESS;
+}
+
+DEFUN(show_logging,
+ show_logging_cmd,
+ "show logging", SHOW_STR "Show current logging configuration\n")
+{
+ struct zlog *zl = zlog_default;
+
+ vty_out(vty, "Syslog logging: ");
+ if (zl->maxlvl[ZLOG_DEST_SYSLOG] == ZLOG_DISABLED)
+ vty_out(vty, "disabled");
+ else
+ vty_out(vty, "level %s, facility %s, ident %s",
+ zlog_priority[zl->maxlvl[ZLOG_DEST_SYSLOG]],
+ facility_name(zl->facility), zl->ident);
+ vty_out(vty, "%s", VTY_NEWLINE);
+
+ vty_out(vty, "Stdout logging: ");
+ if (zl->maxlvl[ZLOG_DEST_STDOUT] == ZLOG_DISABLED)
+ vty_out(vty, "disabled");
+ else
+ vty_out(vty, "level %s",
+ zlog_priority[zl->maxlvl[ZLOG_DEST_STDOUT]]);
+ vty_out(vty, "%s", VTY_NEWLINE);
+
+ vty_out(vty, "Monitor logging: ");
+ if (zl->maxlvl[ZLOG_DEST_MONITOR] == ZLOG_DISABLED)
+ vty_out(vty, "disabled");
+ else
+ vty_out(vty, "level %s",
+ zlog_priority[zl->maxlvl[ZLOG_DEST_MONITOR]]);
+ vty_out(vty, "%s", VTY_NEWLINE);
+
+ vty_out(vty, "File logging: ");
+ if ((zl->maxlvl[ZLOG_DEST_FILE] == ZLOG_DISABLED) || !zl->fp)
+ vty_out(vty, "disabled");
+ else
+ vty_out(vty, "level %s, filename %s",
+ zlog_priority[zl->maxlvl[ZLOG_DEST_FILE]],
+ zl->filename);
+ vty_out(vty, "%s", VTY_NEWLINE);
+
+ vty_out(vty, "Protocol name: %s%s",
+ zlog_proto_names[zl->protocol], VTY_NEWLINE);
+ vty_out(vty, "Record priority: %s%s",
+ (zl->record_priority ? "enabled" : "disabled"), VTY_NEWLINE);
+
+ return CMD_SUCCESS;
+}
+
+DEFUN(config_log_stdout,
+ config_log_stdout_cmd,
+ "log stdout", "Logging control\n" "Set stdout logging level\n")
+{
+ zlog_set_level(NULL, ZLOG_DEST_STDOUT, zlog_default->default_lvl);
+ return CMD_SUCCESS;
+}
+
+DEFUN(config_log_stdout_level,
+ config_log_stdout_level_cmd,
+ "log stdout " LOG_LEVELS,
+ "Logging control\n" "Set stdout logging level\n" LOG_LEVEL_DESC)
+{
+ int level;
+
+ if ((level = level_match(argv[0])) == ZLOG_DISABLED)
+ return CMD_ERR_NO_MATCH;
+ zlog_set_level(NULL, ZLOG_DEST_STDOUT, level);
+ return CMD_SUCCESS;
+}
+
+DEFUN(no_config_log_stdout,
+ no_config_log_stdout_cmd,
+ "no log stdout [LEVEL]",
+ NO_STR "Logging control\n" "Cancel logging to stdout\n" "Logging level\n")
+{
+ zlog_set_level(NULL, ZLOG_DEST_STDOUT, ZLOG_DISABLED);
+ return CMD_SUCCESS;
+}
+
+DEFUN(config_log_monitor,
+ config_log_monitor_cmd,
+ "log monitor",
+ "Logging control\n" "Set terminal line (monitor) logging level\n")
+{
+ zlog_set_level(NULL, ZLOG_DEST_MONITOR, zlog_default->default_lvl);
+ return CMD_SUCCESS;
+}
+
+DEFUN(config_log_monitor_level,
+ config_log_monitor_level_cmd,
+ "log monitor " LOG_LEVELS,
+ "Logging control\n"
+ "Set terminal line (monitor) logging level\n" LOG_LEVEL_DESC)
+{
+ int level;
+
+ if ((level = level_match(argv[0])) == ZLOG_DISABLED)
+ return CMD_ERR_NO_MATCH;
+ zlog_set_level(NULL, ZLOG_DEST_MONITOR, level);
+ return CMD_SUCCESS;
+}
+
+DEFUN(no_config_log_monitor,
+ no_config_log_monitor_cmd,
+ "no log monitor [LEVEL]",
+ NO_STR
+ "Logging control\n"
+ "Disable terminal line (monitor) logging\n" "Logging level\n")
+{
+ zlog_set_level(NULL, ZLOG_DEST_MONITOR, ZLOG_DISABLED);
+ return CMD_SUCCESS;
+}
+
+static int set_log_file(struct vty *vty, const char *fname, int loglevel)
+{
+ int ret;
+ char *p = NULL;
+ const char *fullpath;
+
+ /* Path detection. */
+ if (!IS_DIRECTORY_SEP(*fname)) {
+ char cwd[MAXPATHLEN + 1];
+ cwd[MAXPATHLEN] = '\0';
+
+ if (getcwd(cwd, MAXPATHLEN) == NULL) {
+ zlog_err("config_log_file: Unable to alloc mem!");
+ return CMD_WARNING;
+ }
+
+ if ((p = _talloc_zero(tall_vcmd_ctx,
+ strlen(cwd) + strlen(fname) + 2),
+ "set_log_file")
+ == NULL) {
+ zlog_err("config_log_file: Unable to alloc mem!");
+ return CMD_WARNING;
+ }
+ sprintf(p, "%s/%s", cwd, fname);
+ fullpath = p;
+ } else
+ fullpath = fname;
+
+ ret = zlog_set_file(NULL, fullpath, loglevel);
+
+ if (p)
+ talloc_free(p);
+
+ if (!ret) {
+ vty_out(vty, "can't open logfile %s\n", fname);
+ return CMD_WARNING;
+ }
+
+ if (host.logfile)
+ talloc_free(host.logfile);
+
+ host.logfile = talloc_strdup(tall_vty_cmd_ctx, fname);
+
+ return CMD_SUCCESS;
+}
+
+DEFUN(config_log_file,
+ config_log_file_cmd,
+ "log file FILENAME",
+ "Logging control\n" "Logging to file\n" "Logging filename\n")
+{
+ return set_log_file(vty, argv[0], zlog_default->default_lvl);
+}
+
+DEFUN(config_log_file_level,
+ config_log_file_level_cmd,
+ "log file FILENAME " LOG_LEVELS,
+ "Logging control\n"
+ "Logging to file\n" "Logging filename\n" LOG_LEVEL_DESC)
+{
+ int level;
+
+ if ((level = level_match(argv[1])) == ZLOG_DISABLED)
+ return CMD_ERR_NO_MATCH;
+ return set_log_file(vty, argv[0], level);
+}
+
+DEFUN(no_config_log_file,
+ no_config_log_file_cmd,
+ "no log file [FILENAME]",
+ NO_STR
+ "Logging control\n" "Cancel logging to file\n" "Logging file name\n")
+{
+ zlog_reset_file(NULL);
+
+ if (host.logfile)
+ talloc_free(host.logfile);
+
+ host.logfile = NULL;
+
+ return CMD_SUCCESS;
+}
+
+ALIAS(no_config_log_file,
+ no_config_log_file_level_cmd,
+ "no log file FILENAME LEVEL",
+ NO_STR
+ "Logging control\n"
+ "Cancel logging to file\n" "Logging file name\n" "Logging level\n")
+
+ DEFUN(config_log_syslog,
+ config_log_syslog_cmd,
+ "log syslog", "Logging control\n" "Set syslog logging level\n")
+{
+ zlog_set_level(NULL, ZLOG_DEST_SYSLOG, zlog_default->default_lvl);
+ return CMD_SUCCESS;
+}
+
+DEFUN(config_log_syslog_level,
+ config_log_syslog_level_cmd,
+ "log syslog " LOG_LEVELS,
+ "Logging control\n" "Set syslog logging level\n" LOG_LEVEL_DESC)
+{
+ int level;
+
+ if ((level = level_match(argv[0])) == ZLOG_DISABLED)
+ return CMD_ERR_NO_MATCH;
+ zlog_set_level(NULL, ZLOG_DEST_SYSLOG, level);
+ return CMD_SUCCESS;
+}
+
+DEFUN_DEPRECATED(config_log_syslog_facility,
+ config_log_syslog_facility_cmd,
+ "log syslog facility " LOG_FACILITIES,
+ "Logging control\n"
+ "Logging goes to syslog\n"
+ "(Deprecated) Facility parameter for syslog messages\n"
+ LOG_FACILITY_DESC)
+{
+ int facility;
+
+ if ((facility = facility_match(argv[0])) < 0)
+ return CMD_ERR_NO_MATCH;
+
+ zlog_set_level(NULL, ZLOG_DEST_SYSLOG, zlog_default->default_lvl);
+ zlog_default->facility = facility;
+ return CMD_SUCCESS;
+}
+
+DEFUN(no_config_log_syslog,
+ no_config_log_syslog_cmd,
+ "no log syslog [LEVEL]",
+ NO_STR "Logging control\n" "Cancel logging to syslog\n" "Logging level\n")
+{
+ zlog_set_level(NULL, ZLOG_DEST_SYSLOG, ZLOG_DISABLED);
+ return CMD_SUCCESS;
+}
+
+ALIAS(no_config_log_syslog,
+ no_config_log_syslog_facility_cmd,
+ "no log syslog facility " LOG_FACILITIES,
+ NO_STR
+ "Logging control\n"
+ "Logging goes to syslog\n"
+ "Facility parameter for syslog messages\n" LOG_FACILITY_DESC)
+
+ DEFUN(config_log_facility,
+ config_log_facility_cmd,
+ "log facility " LOG_FACILITIES,
+ "Logging control\n"
+ "Facility parameter for syslog messages\n" LOG_FACILITY_DESC)
+{
+ int facility;
+
+ if ((facility = facility_match(argv[0])) < 0)
+ return CMD_ERR_NO_MATCH;
+ zlog_default->facility = facility;
+ return CMD_SUCCESS;
+}
+
+DEFUN(no_config_log_facility,
+ no_config_log_facility_cmd,
+ "no log facility [FACILITY]",
+ NO_STR
+ "Logging control\n"
+ "Reset syslog facility to default (daemon)\n" "Syslog facility\n")
+{
+ zlog_default->facility = LOG_DAEMON;
+ return CMD_SUCCESS;
+}
+
+DEFUN_DEPRECATED(config_log_trap,
+ config_log_trap_cmd,
+ "log trap " LOG_LEVELS,
+ "Logging control\n"
+ "(Deprecated) Set logging level and default for all destinations\n"
+ LOG_LEVEL_DESC)
+{
+ int new_level;
+ int i;
+
+ if ((new_level = level_match(argv[0])) == ZLOG_DISABLED)
+ return CMD_ERR_NO_MATCH;
+
+ zlog_default->default_lvl = new_level;
+ for (i = 0; i < ZLOG_NUM_DESTS; i++)
+ if (zlog_default->maxlvl[i] != ZLOG_DISABLED)
+ zlog_default->maxlvl[i] = new_level;
+ return CMD_SUCCESS;
+}
+
+DEFUN_DEPRECATED(no_config_log_trap,
+ no_config_log_trap_cmd,
+ "no log trap [LEVEL]",
+ NO_STR
+ "Logging control\n"
+ "Permit all logging information\n" "Logging level\n")
+{
+ zlog_default->default_lvl = LOG_DEBUG;
+ return CMD_SUCCESS;
+}
+
+DEFUN(config_log_record_priority,
+ config_log_record_priority_cmd,
+ "log record-priority",
+ "Logging control\n"
+ "Log the priority of the message within the message\n")
+{
+ zlog_default->record_priority = 1;
+ return CMD_SUCCESS;
+}
+
+DEFUN(no_config_log_record_priority,
+ no_config_log_record_priority_cmd,
+ "no log record-priority",
+ NO_STR
+ "Logging control\n"
+ "Do not log the priority of the message within the message\n")
+{
+ zlog_default->record_priority = 0;
+ return CMD_SUCCESS;
+}
+#endif
+
+DEFUN(banner_motd_file,
+ banner_motd_file_cmd,
+ "banner motd file [FILE]",
+ "Set banner\n" "Banner for motd\n" "Banner from a file\n" "Filename\n")
+{
+ if (host.motdfile)
+ talloc_free(host.motdfile);
+ host.motdfile = talloc_strdup(tall_vty_cmd_ctx, argv[0]);
+
+ return CMD_SUCCESS;
+}
+
+DEFUN(banner_motd_default,
+ banner_motd_default_cmd,
+ "banner motd default",
+ "Set banner string\n" "Strings for motd\n" "Default string\n")
+{
+ host.motd = default_motd;
+ return CMD_SUCCESS;
+}
+
+DEFUN(no_banner_motd,
+ no_banner_motd_cmd,
+ "no banner motd", NO_STR "Set banner string\n" "Strings for motd\n")
+{
+ host.motd = NULL;
+ if (host.motdfile)
+ talloc_free(host.motdfile);
+ host.motdfile = NULL;
+ return CMD_SUCCESS;
+}
+
+/* Set config filename. Called from vty.c */
+void host_config_set(const char *filename)
+{
+ host.config = talloc_strdup(tall_vty_cmd_ctx, filename);
+}
+
+void install_default(enum node_type node)
+{
+ install_element(node, &config_help_cmd);
+ install_element(node, &config_list_cmd);
+
+ install_element(node, &config_write_terminal_cmd);
+ install_element(node, &config_write_file_cmd);
+ install_element(node, &config_write_memory_cmd);
+ install_element(node, &config_write_cmd);
+ install_element(node, &show_running_config_cmd);
+}
+
+/* Initialize command interface. Install basic nodes and commands. */
+void cmd_init(int terminal)
+{
+ /* Allocate initial top vector of commands. */
+ cmdvec = vector_init(VECTOR_MIN_SIZE);
+
+ /* Default host value settings. */
+ host.name = NULL;
+ host.password = NULL;
+ host.enable = NULL;
+ host.logfile = NULL;
+ host.config = NULL;
+ host.lines = -1;
+ host.motd = default_motd;
+ host.motdfile = NULL;
+
+ /* Install top nodes. */
+ install_node(&view_node, NULL);
+ install_node(&enable_node, NULL);
+ install_node(&auth_node, NULL);
+ install_node(&auth_enable_node, NULL);
+ install_node(&config_node, config_write_host);
+
+ /* Each node's basic commands. */
+ install_element(VIEW_NODE, &show_version_cmd);
+ if (terminal) {
+ install_element(VIEW_NODE, &config_list_cmd);
+ install_element(VIEW_NODE, &config_exit_cmd);
+ install_element(VIEW_NODE, &config_help_cmd);
+ install_element(VIEW_NODE, &config_enable_cmd);
+ install_element(VIEW_NODE, &config_terminal_length_cmd);
+ install_element(VIEW_NODE, &config_terminal_no_length_cmd);
+ install_element(VIEW_NODE, &echo_cmd);
+ }
+
+ if (terminal) {
+ install_element(ENABLE_NODE, &config_exit_cmd);
+ install_default(ENABLE_NODE);
+ install_element(ENABLE_NODE, &config_disable_cmd);
+ install_element(ENABLE_NODE, &config_terminal_cmd);
+ install_element (ENABLE_NODE, ©_runningconfig_startupconfig_cmd);
+ }
+ install_element (ENABLE_NODE, &show_startup_config_cmd);
+ install_element(ENABLE_NODE, &show_version_cmd);
+
+ if (terminal) {
+ install_element(ENABLE_NODE, &config_terminal_length_cmd);
+ install_element(ENABLE_NODE, &config_terminal_no_length_cmd);
+ install_element(ENABLE_NODE, &echo_cmd);
+
+ install_default(CONFIG_NODE);
+ install_element(CONFIG_NODE, &config_exit_cmd);
+ }
+
+ install_element(CONFIG_NODE, &hostname_cmd);
+ install_element(CONFIG_NODE, &no_hostname_cmd);
+
+ if (terminal) {
+ install_element(CONFIG_NODE, &password_cmd);
+ install_element(CONFIG_NODE, &password_text_cmd);
+ install_element(CONFIG_NODE, &enable_password_cmd);
+ install_element(CONFIG_NODE, &enable_password_text_cmd);
+ install_element(CONFIG_NODE, &no_enable_password_cmd);
+
+#ifdef VTY_CRYPT_PW
+ install_element(CONFIG_NODE, &service_password_encrypt_cmd);
+ install_element(CONFIG_NODE, &no_service_password_encrypt_cmd);
+#endif
+ install_element(CONFIG_NODE, &banner_motd_default_cmd);
+ install_element(CONFIG_NODE, &banner_motd_file_cmd);
+ install_element(CONFIG_NODE, &no_banner_motd_cmd);
+ install_element(CONFIG_NODE, &service_terminal_length_cmd);
+ install_element(CONFIG_NODE, &no_service_terminal_length_cmd);
+
+ }
+ srand(time(NULL));
+}