Create libosmovty as library from OpenBSC VTY functions
diff --git a/include/osmocom/vty/Makefile.am b/include/osmocom/vty/Makefile.am
new file mode 100644
index 0000000..e51dcb8
--- /dev/null
+++ b/include/osmocom/vty/Makefile.am
@@ -0,0 +1,2 @@
+noinst_HEADERS = buffer.h command.h vector.h vty.h \
+ telnet_interface.h
diff --git a/include/osmocom/vty/buffer.h b/include/osmocom/vty/buffer.h
new file mode 100644
index 0000000..c9467a9
--- /dev/null
+++ b/include/osmocom/vty/buffer.h
@@ -0,0 +1,102 @@
+/*
+ * Buffering to output and input.
+ * Copyright (C) 1998 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.
+ */
+
+#ifndef _ZEBRA_BUFFER_H
+#define _ZEBRA_BUFFER_H
+
+#include <sys/types.h>
+
+/* Create a new buffer. Memory will be allocated in chunks of the given
+ size. If the argument is 0, the library will supply a reasonable
+ default size suitable for buffering socket I/O. */
+struct buffer *buffer_new(void *ctx, size_t);
+
+/* Free all data in the buffer. */
+void buffer_reset(struct buffer *);
+
+/* This function first calls buffer_reset to release all buffered data.
+ Then it frees the struct buffer itself. */
+void buffer_free(struct buffer *);
+
+/* Add the given data to the end of the buffer. */
+extern void buffer_put(struct buffer *, const void *, size_t);
+/* Add a single character to the end of the buffer. */
+extern void buffer_putc(struct buffer *, u_char);
+/* Add a NUL-terminated string to the end of the buffer. */
+extern void buffer_putstr(struct buffer *, const char *);
+
+/* Combine all accumulated (and unflushed) data inside the buffer into a
+ single NUL-terminated string allocated using XMALLOC(MTYPE_TMP). Note
+ that this function does not alter the state of the buffer, so the data
+ is still inside waiting to be flushed. */
+char *buffer_getstr(struct buffer *);
+
+/* Returns 1 if there is no pending data in the buffer. Otherwise returns 0. */
+int buffer_empty(struct buffer *);
+
+typedef enum {
+ /* An I/O error occurred. The buffer should be destroyed and the
+ file descriptor should be closed. */
+ BUFFER_ERROR = -1,
+
+ /* The data was written successfully, and the buffer is now empty
+ (there is no pending data waiting to be flushed). */
+ BUFFER_EMPTY = 0,
+
+ /* There is pending data in the buffer waiting to be flushed. Please
+ try flushing the buffer when select indicates that the file descriptor
+ is writeable. */
+ BUFFER_PENDING = 1
+} buffer_status_t;
+
+/* Try to write this data to the file descriptor. Any data that cannot
+ be written immediately is added to the buffer queue. */
+extern buffer_status_t buffer_write(struct buffer *, int fd,
+ const void *, size_t);
+
+/* This function attempts to flush some (but perhaps not all) of
+ the queued data to the given file descriptor. */
+extern buffer_status_t buffer_flush_available(struct buffer *, int fd);
+
+/* The following 2 functions (buffer_flush_all and buffer_flush_window)
+ are for use in lib/vty.c only. They should not be used elsewhere. */
+
+/* Call buffer_flush_available repeatedly until either all data has been
+ flushed, or an I/O error has been encountered, or the operation would
+ block. */
+extern buffer_status_t buffer_flush_all(struct buffer *, int fd);
+
+/* Attempt to write enough data to the given fd to fill a window of the
+ given width and height (and remove the data written from the buffer).
+
+ If !no_more, then a message saying " --More-- " is appended.
+ If erase is true, then first overwrite the previous " --More-- " message
+ with spaces.
+
+ Any write error (including EAGAIN or EINTR) will cause this function
+ to return -1 (because the logic for handling the erase and more features
+ is too complicated to retry the write later).
+*/
+extern buffer_status_t buffer_flush_window(struct buffer *, int fd, int width,
+ int height, int erase, int no_more);
+
+#endif /* _ZEBRA_BUFFER_H */
diff --git a/include/osmocom/vty/command.h b/include/osmocom/vty/command.h
new file mode 100644
index 0000000..1db8ffe
--- /dev/null
+++ b/include/osmocom/vty/command.h
@@ -0,0 +1,392 @@
+/*
+ * Zebra configuration command interface routine
+ * Copyright (C) 1997, 98 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.
+ */
+
+#ifndef _ZEBRA_COMMAND_H
+#define _ZEBRA_COMMAND_H
+
+#include <stdio.h>
+#include <sys/types.h>
+#include "vector.h"
+#include "vty.h"
+
+/* Host configuration variable */
+struct host {
+ /* Host name of this router. */
+ char *name;
+
+ /* Password for vty interface. */
+ char *password;
+ char *password_encrypt;
+
+ /* Enable password */
+ char *enable;
+ char *enable_encrypt;
+
+ /* System wide terminal lines. */
+ int lines;
+
+ /* Log filename. */
+ char *logfile;
+
+ /* config file name of this host */
+ char *config;
+
+ /* Flags for services */
+ int advanced;
+ int encrypt;
+
+ /* Banner configuration. */
+ const char *motd;
+ char *motdfile;
+
+ const char *prog_name;
+ const char *prog_version;
+ const char *prog_copyright;
+};
+
+/* There are some command levels which called from command node. */
+enum node_type {
+ AUTH_NODE, /* Authentication mode of vty interface. */
+ VIEW_NODE, /* View node. Default mode of vty interface. */
+ AUTH_ENABLE_NODE, /* Authentication mode for change enable. */
+ ENABLE_NODE, /* Enable node. */
+ CONFIG_NODE, /* Config node. Default mode of config file. */
+ SERVICE_NODE, /* Service node. */
+ DEBUG_NODE, /* Debug node. */
+#if 0
+ AAA_NODE, /* AAA node. */
+ KEYCHAIN_NODE, /* Key-chain node. */
+ KEYCHAIN_KEY_NODE, /* Key-chain key node. */
+ INTERFACE_NODE, /* Interface mode node. */
+ ZEBRA_NODE, /* zebra connection node. */
+ TABLE_NODE, /* rtm_table selection node. */
+ RIP_NODE, /* RIP protocol mode node. */
+ RIPNG_NODE, /* RIPng protocol mode node. */
+ BGP_NODE, /* BGP protocol mode which includes BGP4+ */
+ BGP_VPNV4_NODE, /* BGP MPLS-VPN PE exchange. */
+ BGP_IPV4_NODE, /* BGP IPv4 unicast address family. */
+ BGP_IPV4M_NODE, /* BGP IPv4 multicast address family. */
+ BGP_IPV6_NODE, /* BGP IPv6 address family */
+ OSPF_NODE, /* OSPF protocol mode */
+ OSPF6_NODE, /* OSPF protocol for IPv6 mode */
+ ISIS_NODE, /* ISIS protocol mode */
+ MASC_NODE, /* MASC for multicast. */
+ IRDP_NODE, /* ICMP Router Discovery Protocol mode. */
+ IP_NODE, /* Static ip route node. */
+ ACCESS_NODE, /* Access list node. */
+ PREFIX_NODE, /* Prefix list node. */
+ ACCESS_IPV6_NODE, /* Access list node. */
+ PREFIX_IPV6_NODE, /* Prefix list node. */
+ AS_LIST_NODE, /* AS list node. */
+ COMMUNITY_LIST_NODE, /* Community list node. */
+ RMAP_NODE, /* Route map node. */
+ SMUX_NODE, /* SNMP configuration node. */
+ DUMP_NODE, /* Packet dump node. */
+ FORWARDING_NODE, /* IP forwarding node. */
+#endif
+ VTY_NODE, /* Vty node. */
+
+ GSMNET_NODE,
+ BTS_NODE,
+ TRX_NODE,
+ TS_NODE,
+ SUBSCR_NODE,
+ MGCP_NODE,
+ GBPROXY_NODE,
+ SGSN_NODE,
+ NS_NODE,
+ BSSGP_NODE,
+};
+
+/* Node which has some commands and prompt string and configuration
+ function pointer . */
+struct cmd_node {
+ /* Node index. */
+ enum node_type node;
+
+ /* Prompt character at vty interface. */
+ const char *prompt;
+
+ /* Is this node's configuration goes to vtysh ? */
+ int vtysh;
+
+ /* Node's configuration write function */
+ int (*func) (struct vty *);
+
+ /* Vector of this node's command list. */
+ vector cmd_vector;
+};
+
+enum {
+ CMD_ATTR_DEPRECATED = 1,
+ CMD_ATTR_HIDDEN,
+};
+
+/* Structure of command element. */
+struct cmd_element {
+ const char *string; /* Command specification by string. */
+ int (*func) (struct cmd_element *, struct vty *, int, const char *[]);
+ const char *doc; /* Documentation of this command. */
+ int daemon; /* Daemon to which this command belong. */
+ vector strvec; /* Pointing out each description vector. */
+ unsigned int cmdsize; /* Command index count. */
+ char *config; /* Configuration string */
+ vector subconfig; /* Sub configuration string */
+ u_char attr; /* Command attributes */
+};
+
+/* Command description structure. */
+struct desc {
+ const char *cmd; /* Command string. */
+ const char *str; /* Command's description. */
+};
+
+/* Return value of the commands. */
+#define CMD_SUCCESS 0
+#define CMD_WARNING 1
+#define CMD_ERR_NO_MATCH 2
+#define CMD_ERR_AMBIGUOUS 3
+#define CMD_ERR_INCOMPLETE 4
+#define CMD_ERR_EXEED_ARGC_MAX 5
+#define CMD_ERR_NOTHING_TODO 6
+#define CMD_COMPLETE_FULL_MATCH 7
+#define CMD_COMPLETE_MATCH 8
+#define CMD_COMPLETE_LIST_MATCH 9
+#define CMD_SUCCESS_DAEMON 10
+
+/* Argc max counts. */
+#define CMD_ARGC_MAX 25
+
+/* Turn off these macros when uisng cpp with extract.pl */
+#ifndef VTYSH_EXTRACT_PL
+
+/* helper defines for end-user DEFUN* macros */
+#define DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
+ static struct cmd_element cmdname = \
+ { \
+ .string = cmdstr, \
+ .func = funcname, \
+ .doc = helpstr, \
+ .attr = attrs, \
+ .daemon = dnum, \
+ };
+
+/* global (non static) cmd_element */
+#define gDEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attrs, dnum) \
+ struct cmd_element cmdname = \
+ { \
+ .string = cmdstr, \
+ .func = funcname, \
+ .doc = helpstr, \
+ .attr = attrs, \
+ .daemon = dnum, \
+ };
+
+#define DEFUN_CMD_FUNC_DECL(funcname) \
+ static int funcname (struct cmd_element *, struct vty *, int, const char *[]); \
+
+#define DEFUN_CMD_FUNC_TEXT(funcname) \
+ static int funcname \
+ (struct cmd_element *self, struct vty *vty, int argc, const char *argv[])
+
+/* DEFUN for vty command interafce. Little bit hacky ;-). */
+#define DEFUN(funcname, cmdname, cmdstr, helpstr) \
+ DEFUN_CMD_FUNC_DECL(funcname) \
+ DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
+ DEFUN_CMD_FUNC_TEXT(funcname)
+
+/* global (non static) cmd_element */
+#define gDEFUN(funcname, cmdname, cmdstr, helpstr) \
+ DEFUN_CMD_FUNC_DECL(funcname) \
+ gDEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0) \
+ DEFUN_CMD_FUNC_TEXT(funcname)
+
+#define DEFUN_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
+ DEFUN_CMD_FUNC_DECL(funcname) \
+ DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0) \
+ DEFUN_CMD_FUNC_TEXT(funcname)
+
+#define DEFUN_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
+ DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
+
+#define DEFUN_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
+ DEFUN_ATTR (funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED) \
+
+/* DEFUN_NOSH for commands that vtysh should ignore */
+#define DEFUN_NOSH(funcname, cmdname, cmdstr, helpstr) \
+ DEFUN(funcname, cmdname, cmdstr, helpstr)
+
+/* DEFSH for vtysh. */
+#define DEFSH(daemon, cmdname, cmdstr, helpstr) \
+ DEFUN_CMD_ELEMENT(NULL, cmdname, cmdstr, helpstr, 0, daemon) \
+
+/* DEFUN + DEFSH */
+#define DEFUNSH(daemon, funcname, cmdname, cmdstr, helpstr) \
+ DEFUN_CMD_FUNC_DECL(funcname) \
+ DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon) \
+ DEFUN_CMD_FUNC_TEXT(funcname)
+
+/* DEFUN + DEFSH with attributes */
+#define DEFUNSH_ATTR(daemon, funcname, cmdname, cmdstr, helpstr, attr) \
+ DEFUN_CMD_FUNC_DECL(funcname) \
+ DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, daemon) \
+ DEFUN_CMD_FUNC_TEXT(funcname)
+
+#define DEFUNSH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
+ DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN)
+
+#define DEFUNSH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
+ DEFUNSH_ATTR (daemon, funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED)
+
+/* ALIAS macro which define existing command's alias. */
+#define ALIAS(funcname, cmdname, cmdstr, helpstr) \
+ DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
+
+/* global (non static) cmd_element */
+#define gALIAS(funcname, cmdname, cmdstr, helpstr) \
+ gDEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, 0)
+
+#define ALIAS_ATTR(funcname, cmdname, cmdstr, helpstr, attr) \
+ DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, attr, 0)
+
+#define ALIAS_HIDDEN(funcname, cmdname, cmdstr, helpstr) \
+ DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, 0)
+
+#define ALIAS_DEPRECATED(funcname, cmdname, cmdstr, helpstr) \
+ DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, 0)
+
+#define ALIAS_SH(daemon, funcname, cmdname, cmdstr, helpstr) \
+ DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, 0, daemon)
+
+#define ALIAS_SH_HIDDEN(daemon, funcname, cmdname, cmdstr, helpstr) \
+ DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_HIDDEN, daemon)
+
+#define ALIAS_SH_DEPRECATED(daemon, funcname, cmdname, cmdstr, helpstr) \
+ DEFUN_CMD_ELEMENT(funcname, cmdname, cmdstr, helpstr, CMD_ATTR_DEPRECATED, daemon)
+
+#endif /* VTYSH_EXTRACT_PL */
+
+/* Some macroes */
+#define CMD_OPTION(S) ((S[0]) == '[')
+#define CMD_VARIABLE(S) (((S[0]) >= 'A' && (S[0]) <= 'Z') || ((S[0]) == '<'))
+#define CMD_VARARG(S) ((S[0]) == '.')
+#define CMD_RANGE(S) ((S[0] == '<'))
+
+#define CMD_IPV4(S) ((strcmp ((S), "A.B.C.D") == 0))
+#define CMD_IPV4_PREFIX(S) ((strcmp ((S), "A.B.C.D/M") == 0))
+#define CMD_IPV6(S) ((strcmp ((S), "X:X::X:X") == 0))
+#define CMD_IPV6_PREFIX(S) ((strcmp ((S), "X:X::X:X/M") == 0))
+
+/* Common descriptions. */
+#define SHOW_STR "Show running system information\n"
+#define IP_STR "IP information\n"
+#define IPV6_STR "IPv6 information\n"
+#define NO_STR "Negate a command or set its defaults\n"
+#define CLEAR_STR "Reset functions\n"
+#define RIP_STR "RIP information\n"
+#define BGP_STR "BGP information\n"
+#define OSPF_STR "OSPF information\n"
+#define NEIGHBOR_STR "Specify neighbor router\n"
+#define DEBUG_STR "Debugging functions (see also 'undebug')\n"
+#define UNDEBUG_STR "Disable debugging functions (see also 'debug')\n"
+#define ROUTER_STR "Enable a routing process\n"
+#define AS_STR "AS number\n"
+#define MBGP_STR "MBGP information\n"
+#define MATCH_STR "Match values from routing table\n"
+#define SET_STR "Set values in destination routing protocol\n"
+#define OUT_STR "Filter outgoing routing updates\n"
+#define IN_STR "Filter incoming routing updates\n"
+#define V4NOTATION_STR "specify by IPv4 address notation(e.g. 0.0.0.0)\n"
+#define OSPF6_NUMBER_STR "Specify by number\n"
+#define INTERFACE_STR "Interface infomation\n"
+#define IFNAME_STR "Interface name(e.g. ep0)\n"
+#define IP6_STR "IPv6 Information\n"
+#define OSPF6_STR "Open Shortest Path First (OSPF) for IPv6\n"
+#define OSPF6_ROUTER_STR "Enable a routing process\n"
+#define OSPF6_INSTANCE_STR "<1-65535> Instance ID\n"
+#define SECONDS_STR "<1-65535> Seconds\n"
+#define ROUTE_STR "Routing Table\n"
+#define PREFIX_LIST_STR "Build a prefix list\n"
+#define OSPF6_DUMP_TYPE_LIST \
+"(neighbor|interface|area|lsa|zebra|config|dbex|spf|route|lsdb|redistribute|hook|asbr|prefix|abr)"
+#define ISIS_STR "IS-IS information\n"
+#define AREA_TAG_STR "[area tag]\n"
+
+#define CONF_BACKUP_EXT ".sav"
+
+/* IPv4 only machine should not accept IPv6 address for peer's IP
+ address. So we replace VTY command string like below. */
+#ifdef HAVE_IPV6
+#define NEIGHBOR_CMD "neighbor (A.B.C.D|X:X::X:X) "
+#define NO_NEIGHBOR_CMD "no neighbor (A.B.C.D|X:X::X:X) "
+#define NEIGHBOR_ADDR_STR "Neighbor address\nIPv6 address\n"
+#define NEIGHBOR_CMD2 "neighbor (A.B.C.D|X:X::X:X|WORD) "
+#define NO_NEIGHBOR_CMD2 "no neighbor (A.B.C.D|X:X::X:X|WORD) "
+#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor IPv6 address\nNeighbor tag\n"
+#else
+#define NEIGHBOR_CMD "neighbor A.B.C.D "
+#define NO_NEIGHBOR_CMD "no neighbor A.B.C.D "
+#define NEIGHBOR_ADDR_STR "Neighbor address\n"
+#define NEIGHBOR_CMD2 "neighbor (A.B.C.D|WORD) "
+#define NO_NEIGHBOR_CMD2 "no neighbor (A.B.C.D|WORD) "
+#define NEIGHBOR_ADDR_STR2 "Neighbor address\nNeighbor tag\n"
+#endif /* HAVE_IPV6 */
+
+/* Prototypes. */
+void install_node(struct cmd_node *, int (*)(struct vty *));
+void install_default(enum node_type);
+void install_element(enum node_type, struct cmd_element *);
+void install_element_ve(struct cmd_element *cmd);
+void sort_node();
+
+/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
+ string with a space between each element (allocated using
+ XMALLOC(MTYPE_TMP)). Returns NULL if shift >= argc. */
+char *argv_concat(const char **argv, int argc, int shift);
+
+vector cmd_make_strvec(const char *);
+void cmd_free_strvec(vector);
+vector cmd_describe_command();
+char **cmd_complete_command();
+const char *cmd_prompt(enum node_type);
+int config_from_file(struct vty *, FILE *);
+enum node_type node_parent(enum node_type);
+int cmd_execute_command(vector, struct vty *, struct cmd_element **, int);
+int cmd_execute_command_strict(vector, struct vty *, struct cmd_element **);
+void config_replace_string(struct cmd_element *, char *, ...);
+void cmd_init(int);
+
+/* Export typical functions. */
+extern struct cmd_element config_exit_cmd;
+extern struct cmd_element config_help_cmd;
+extern struct cmd_element config_list_cmd;
+char *host_config_file();
+void host_config_set(const char *);
+
+/* This is called from main when a daemon is invoked with -v or --version. */
+void print_version(int print_copyright);
+
+extern void *tall_vty_cmd_ctx;
+
+enum node_type (*vty_go_parent_cb)(struct vty *vty);
+
+#endif /* _ZEBRA_COMMAND_H */
diff --git a/include/osmocom/vty/logging.h b/include/osmocom/vty/logging.h
new file mode 100644
index 0000000..f8ffbc3
--- /dev/null
+++ b/include/osmocom/vty/logging.h
@@ -0,0 +1,7 @@
+#ifndef _VTY_LOGGING_H
+#define _VTY_LOGGING_H
+
+#define LOGGING_STR "Configure log message to this terminal\n"
+#define FILTER_STR "Filter log messages\n"
+
+#endif /* _VTY_LOGGING_H */
diff --git a/include/osmocom/vty/telnet_interface.h b/include/osmocom/vty/telnet_interface.h
new file mode 100644
index 0000000..444e649
--- /dev/null
+++ b/include/osmocom/vty/telnet_interface.h
@@ -0,0 +1,40 @@
+/* minimalistic telnet/network interface it might turn into a wire interface */
+/* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * All Rights Reserved
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#ifndef TELNET_INTERFACE_H
+#define TELNET_INTERFACE_H
+
+#include <osmocore/logging.h>
+#include <osmocore/select.h>
+
+#include <osmocom/vty/vty.h>
+
+struct telnet_connection {
+ struct llist_head entry;
+ void *priv;
+ struct bsc_fd fd;
+ struct vty *vty;
+ struct log_target *dbg;
+};
+
+
+int telnet_init(void *tall_ctx, void *priv, int port);
+
+#endif
diff --git a/include/osmocom/vty/vector.h b/include/osmocom/vty/vector.h
new file mode 100644
index 0000000..22a184d
--- /dev/null
+++ b/include/osmocom/vty/vector.h
@@ -0,0 +1,64 @@
+/*
+ * Generic vector interface header.
+ * Copyright (C) 1997, 98 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.
+ */
+
+#ifndef _ZEBRA_VECTOR_H
+#define _ZEBRA_VECTOR_H
+
+/* struct for vector */
+struct _vector {
+ unsigned int active; /* number of active slots */
+ unsigned int alloced; /* number of allocated slot */
+ void **index; /* index to data */
+};
+typedef struct _vector *vector;
+
+#define VECTOR_MIN_SIZE 1
+
+/* (Sometimes) usefull macros. This macro convert index expression to
+ array expression. */
+/* Reference slot at given index, caller must ensure slot is active */
+#define vector_slot(V,I) ((V)->index[(I)])
+/* Number of active slots.
+ * Note that this differs from vector_count() as it the count returned
+ * will include any empty slots
+ */
+#define vector_active(V) ((V)->active)
+
+/* Prototypes. */
+vector vector_init(unsigned int size);
+void vector_ensure(vector v, unsigned int num);
+int vector_empty_slot(vector v);
+int vector_set(vector v, void *val);
+int vector_set_index(vector v, unsigned int i, void *val);
+void vector_unset(vector v, unsigned int i);
+unsigned int vector_count(vector v);
+void vector_only_wrapper_free(vector v);
+void vector_only_index_free(void *index);
+void vector_free(vector v);
+vector vector_copy(vector v);
+
+void *vector_lookup(vector, unsigned int);
+void *vector_lookup_ensure(vector, unsigned int);
+
+extern void *tall_vty_vec_ctx;
+
+#endif /* _ZEBRA_VECTOR_H */
diff --git a/include/osmocom/vty/vty.h b/include/osmocom/vty/vty.h
new file mode 100644
index 0000000..f82ada1
--- /dev/null
+++ b/include/osmocom/vty/vty.h
@@ -0,0 +1,151 @@
+#ifndef _VTY_H
+#define _VTY_H
+
+#include <stdio.h>
+#include <stdarg.h>
+
+/* GCC have printf type attribute check. */
+#ifdef __GNUC__
+#define VTY_PRINTF_ATTRIBUTE(a,b) __attribute__ ((__format__ (__printf__, a, b)))
+#else
+#define VTY_PRINTF_ATTRIBUTE(a,b)
+#endif /* __GNUC__ */
+
+/* Does the I/O error indicate that the operation should be retried later? */
+#define ERRNO_IO_RETRY(EN) \
+ (((EN) == EAGAIN) || ((EN) == EWOULDBLOCK) || ((EN) == EINTR))
+
+/* Vty read buffer size. */
+#define VTY_READ_BUFSIZ 512
+
+#define VTY_BUFSIZ 512
+#define VTY_MAXHIST 20
+
+/* Vty events */
+enum event {
+ VTY_SERV,
+ VTY_READ,
+ VTY_WRITE,
+ VTY_CLOSED,
+ VTY_TIMEOUT_RESET,
+#ifdef VTYSH
+ VTYSH_SERV,
+ VTYSH_READ,
+ VTYSH_WRITE
+#endif /* VTYSH */
+};
+
+struct vty {
+ FILE *file;
+
+ /* private data, specified by creator */
+ void *priv;
+
+ /* File descripter of this vty. */
+ int fd;
+
+ /* Is this vty connect to file or not */
+ enum { VTY_TERM, VTY_FILE, VTY_SHELL, VTY_SHELL_SERV } type;
+
+ /* Node status of this vty */
+ int node;
+
+ /* Failure count */
+ int fail;
+
+ /* Output buffer. */
+ struct buffer *obuf;
+
+ /* Command input buffer */
+ char *buf;
+
+ /* Command cursor point */
+ int cp;
+
+ /* Command length */
+ int length;
+
+ /* Command max length. */
+ int max;
+
+ /* Histry of command */
+ char *hist[VTY_MAXHIST];
+
+ /* History lookup current point */
+ int hp;
+
+ /* History insert end point */
+ int hindex;
+
+ /* For current referencing point of interface, route-map,
+ access-list etc... */
+ void *index;
+
+ /* For multiple level index treatment such as key chain and key. */
+ void *index_sub;
+
+ /* For escape character. */
+ unsigned char escape;
+
+ /* Current vty status. */
+ enum { VTY_NORMAL, VTY_CLOSE, VTY_MORE, VTY_MORELINE } status;
+
+ /* IAC handling: was the last character received the IAC
+ * (interpret-as-command) escape character (and therefore the next
+ * character will be the command code)? Refer to Telnet RFC 854. */
+ unsigned char iac;
+
+ /* IAC SB (option subnegotiation) handling */
+ unsigned char iac_sb_in_progress;
+ /* At the moment, we care only about the NAWS (window size) negotiation,
+ * and that requires just a 5-character buffer (RFC 1073):
+ * <NAWS char> <16-bit width> <16-bit height> */
+#define TELNET_NAWS_SB_LEN 5
+ unsigned char sb_buf[TELNET_NAWS_SB_LEN];
+ /* How many subnegotiation characters have we received? We just drop
+ * those that do not fit in the buffer. */
+ size_t sb_len;
+
+ /* Window width/height. */
+ int width;
+ int height;
+
+ /* Configure lines. */
+ int lines;
+
+ int monitor;
+
+ /* In configure mode. */
+ int config;
+};
+
+/* Small macro to determine newline is newline only or linefeed needed. */
+#define VTY_NEWLINE ((vty->type == VTY_TERM) ? "\r\n" : "\n")
+
+static inline char *vty_newline(struct vty *vty)
+{
+ return VTY_NEWLINE;
+}
+
+/* Prototypes. */
+void vty_init(const char *name, const char *version, const char *copyright);
+int vty_read_config_file(const char *file_name, void *priv);
+void vty_init_vtysh (void);
+void vty_reset (void);
+struct vty *vty_new (void);
+struct vty *vty_create (int vty_sock, void *priv);
+int vty_out (struct vty *, const char *, ...) VTY_PRINTF_ATTRIBUTE(2, 3);
+int vty_out_newline(struct vty *);
+int vty_read(struct vty *vty);
+//void vty_time_print (struct vty *, int);
+void vty_close (struct vty *);
+char *vty_get_cwd (void);
+void vty_log (const char *level, const char *proto, const char *fmt, va_list);
+int vty_config_lock (struct vty *);
+int vty_config_unlock (struct vty *);
+int vty_shell (struct vty *);
+int vty_shell_serv (struct vty *);
+void vty_hello (struct vty *);
+
+void *tall_vty_ctx;
+#endif