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Diffstat (limited to 'isisd/modified/command.c')
| -rw-r--r-- | isisd/modified/command.c | 2983 |
1 files changed, 0 insertions, 2983 deletions
diff --git a/isisd/modified/command.c b/isisd/modified/command.c deleted file mode 100644 index 5c18fd94..00000000 --- a/isisd/modified/command.c +++ /dev/null @@ -1,2983 +0,0 @@ -/* 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 <zebra.h> - -#include "command.h" -#include "memory.h" -#include "log.h" -#include "version.h" - -/* Command vector which includes some level of command lists. Normally - each daemon maintains each own cmdvec. */ -vector cmdvec; - -/* Host information structure. */ -struct host host; - -/* Default motd string. */ -char *default_motd = -"\r\n\ -Hello, this is zebra (version " ZEBRA_VERSION ").\r\n\ -Copyright 1996-2002 Kunihiro Ishiguro.\r\n\ -\r\n"; - -/* 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 -}; - -/* Utility function to concatenate argv argument into a single string - with inserting ' ' character between each argument. */ -char * -argv_concat (char **argv, int argc, int shift) -{ - int i; - int len; - int index; - char *str; - - str = NULL; - index = 0; - - for (i = shift; i < argc; i++) - { - len = strlen (argv[i]); - - if (i == shift) - { - str = XSTRDUP (MTYPE_TMP, argv[i]); - index = len; - } - else - { - str = XREALLOC (MTYPE_TMP, str, (index + len + 2)); - str[index++] = ' '; - memcpy (str + index, argv[i], len); - index += len; - str[index] = '\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 (). */ -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); -} - -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 () -{ - int i, j; - struct cmd_node *cnode; - vector descvec; - struct cmd_element *cmd_element; - - for (i = 0; i < vector_max (cmdvec); i++) - if ((cnode = vector_slot (cmdvec, i)) != NULL) - { - vector cmd_vector = cnode->cmd_vector; - qsort (cmd_vector->index, cmd_vector->max, sizeof (void *), cmp_node); - - for (j = 0; j < vector_max (cmd_vector); j++) - if ((cmd_element = vector_slot (cmd_vector, j)) != NULL) - { - descvec = vector_slot (cmd_element->strvec, - vector_max (cmd_element->strvec) - 1); - qsort (descvec->index, descvec->max, 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 (char *string) -{ - char *cp, *start, *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 = XMALLOC (MTYPE_STRVEC, strlen + 1); - 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) -{ - int i; - char *cp; - - if (!v) - return; - - for (i = 0; i < vector_max (v); i++) - if ((cp = vector_slot (v, i)) != NULL) - XFREE (MTYPE_STRVEC, cp); - - vector_free (v); -} - -/* Fetch next description. Used in cmd_make_descvec(). */ -char * -cmd_desc_str (char **string) -{ - char *cp, *start, *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 = XMALLOC (MTYPE_STRVEC, strlen + 1); - memcpy (token, start, strlen); - *(token + strlen) = '\0'; - - *string = cp; - - return token; -} - -/* New string vector. */ -vector -cmd_make_descvec (char *string, char *descstr) -{ - int multiple = 0; - char *sp; - char *token; - int len; - char *cp; - 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 = XMALLOC (MTYPE_STRVEC, len + 1); - memcpy (token, sp, len); - *(token + len) = '\0'; - - desc = XCALLOC (MTYPE_DESC, sizeof (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. */ -int -cmd_cmdsize (vector strvec) -{ - int i; - char *str; - int size = 0; - vector descvec; - - for (i = 0; i < vector_max (strvec); i++) - { - descvec = vector_slot (strvec, i); - - if (vector_max (descvec) == 1) - { - struct desc *desc = vector_slot (descvec, 0); - - str = desc->cmd; - - if (str == NULL || CMD_OPTION (str)) - return size; - else - size++; - } - else - size++; - } - return size; -} - -/* Return prompt character of specified node. */ -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); -} - -static unsigned char itoa64[] = -"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; - -void -to64(char *s, long v, int n) -{ - while (--n >= 0) - { - *s++ = itoa64[v&0x3f]; - v >>= 6; - } -} - -char *zencrypt (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); -} - -/* This function write configuration of this host. */ -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.logfile) - vty_out (vty, "log file %s%s", host.logfile, VTY_NEWLINE); - - if (host.log_stdout) - vty_out (vty, "log stdout%s", VTY_NEWLINE); - - if (host.log_syslog) - vty_out (vty, "log syslog%s", VTY_NEWLINE); - - if (zlog_default->maskpri != LOG_DEBUG) - vty_out (vty, "log trap %s%s", zlog_priority[zlog_default->maskpri], VTY_NEWLINE); - - if (zlog_default->record_priority == 1) - vty_out (vty, "log record-priority%s", 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.motd) - vty_out (vty, "no banner motd%s", VTY_NEWLINE); - - return 1; -} - -/* Utility function for getting command vector. */ -vector -cmd_node_vector (vector v, enum node_type ntype) -{ - struct cmd_node *cnode = vector_slot (v, ntype); - return cnode->cmd_vector; -} - -/* Filter command vector by symbol */ -int -cmd_filter_by_symbol (char *command, char *symbol) -{ - int i, lim; - - if (strcmp (symbol, "IPV4_ADDRESS") == 0) - { - i = 0; - lim = strlen (command); - while (i < lim) - { - if (! (isdigit ((int) command[i]) || command[i] == '.' || command[i] == '/')) - return 1; - i++; - } - return 0; - } - if (strcmp (symbol, "STRING") == 0) - { - i = 0; - lim = strlen (command); - while (i < lim) - { - if (! (isalpha ((int) command[i]) || command[i] == '_' || command[i] == '-')) - return 1; - i++; - } - return 0; - } - if (strcmp (symbol, "IFNAME") == 0) - { - i = 0; - lim = strlen (command); - while (i < lim) - { - if (! isalnum ((int) command[i])) - return 1; - i++; - } - return 0; - } - return 0; -} - -/* 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 -}; - -enum match_type -cmd_ipv4_match (char *str) -{ - 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; -} - -enum match_type -cmd_ipv4_prefix_match (char *str) -{ - 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 - -enum match_type -cmd_ipv6_match (char *str) -{ - int state = STATE_START; - int colons = 0, nums = 0, double_colon = 0; - char *sp = NULL; - - if (str == NULL) - return partly_match; - - if (strspn (str, IPV6_ADDR_STR) != strlen (str)) - return no_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; -} - -enum match_type -cmd_ipv6_prefix_match (char *str) -{ - int state = STATE_START; - int colons = 0, nums = 0, double_colon = 0; - int mask; - 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; -} - -#define DECIMAL_STRLEN_MAX 10 - -int -cmd_range_match (char *range, 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. */ -enum match_type -cmd_filter_by_completion (char *command, vector v, int index) -{ - int i; - 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_max (v); i++) - if ((cmd_element = vector_slot (v, i)) != NULL) - { - if (index >= vector_max (cmd_element->strvec)) - vector_slot (v, i) = NULL; - else - { - int j; - int matched = 0; - - descvec = vector_slot (cmd_element->strvec, index); - - for (j = 0; j < vector_max (descvec); j++) - { - 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++; - } - } - 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++; - } - } - 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. */ -enum match_type -cmd_filter_by_string (char *command, vector v, int index) -{ - int i; - 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_max (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_max (cmd_element->strvec)) - vector_slot (v, i) = NULL; - else - { - int j; - int matched = 0; - - descvec = vector_slot (cmd_element->strvec, index); - - for (j = 0; j < vector_max (descvec); j++) - { - 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++; - } - } - 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++; - } - } - 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 */ -int -is_cmd_ambiguous (char *command, vector v, int index, enum match_type type) -{ - int i; - int j; - char *str = NULL; - struct cmd_element *cmd_element; - char *matched = NULL; - vector descvec; - struct desc *desc; - - for (i = 0; i < vector_max (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_max (descvec); j++) - { - enum match_type ret; - - desc = vector_slot (descvec, j); - 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; - 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; - 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 */ -char * -cmd_entry_function (char *src, 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 */ -char * -cmd_entry_function_desc (char *src, char *dst) -{ - if (CMD_VARARG (dst)) - return dst; - - if (CMD_RANGE (dst)) - { - if (cmd_range_match (dst, src)) - return dst; - else - return NULL; - } - - 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; - } - - 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. */ -int -cmd_unique_string (vector v, char *str) -{ - int i; - char *match; - - for (i = 0; i < vector_max (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. */ -int -desc_unique_string (vector v, char *str) -{ - int i; - struct desc *desc; - - for (i = 0; i < vector_max (v); i++) - if ((desc = vector_slot (v, i)) != NULL) - if (strcmp (desc->cmd, str) == 0) - return 1; - return 0; -} - -/* '?' describe command support. */ -vector -cmd_describe_command (vector vline, struct vty *vty, int *status) -{ - int i; - vector cmd_vector; -#define INIT_MATCHVEC_SIZE 10 - vector matchvec; - struct cmd_element *cmd_element; - int index; - static struct desc desc_cr = { "<cr>", "" }; - - /* Set index. */ - index = vector_max (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. */ - for (i = 0; i < index; i++) - { - enum match_type match; - char *command; - int ret; - - 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; - int j, k; - - for (j = 0; j < vector_max (cmd_vector); j++) - if ((cmd_element = vector_slot (cmd_vector, j)) != NULL) - { - descvec = vector_slot (cmd_element->strvec, - vector_max (cmd_element->strvec) - 1); - for (k = 0; k < vector_max (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 description vector. */ - for (i = 0; i < vector_max (cmd_vector); i++) - if ((cmd_element = vector_slot (cmd_vector, i)) != NULL) - { - char *string = NULL; - vector strvec = cmd_element->strvec; - - if (index > vector_max (strvec)) - vector_slot (cmd_vector, i) = NULL; - else - { - /* Check is command is completed. */ - if (index == vector_max (strvec)) - { - string = "<cr>"; - if (! desc_unique_string (matchvec, string)) - vector_set (matchvec, &desc_cr); - } - else - { - int j; - vector descvec = vector_slot (strvec, index); - struct desc *desc; - - for (j = 0; j < vector_max (descvec); j++) - { - desc = vector_slot (descvec, j); - string = cmd_entry_function_desc (vector_slot (vline, index), 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; -} - -/* Check LCD of matched command. */ -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. */ -char ** -cmd_complete_command (vector vline, struct vty *vty, int *status) -{ - 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; - int index = vector_max (vline) - 1; - char **match_str; - struct desc *desc; - vector descvec; - char *command; - int lcd; - - /* First, filter by preceeding command string */ - for (i = 0; i < index; i++) - { - enum match_type match; - int ret; - - command = vector_slot (vline, i); - - /* 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_max (cmd_vector); i++) - if ((cmd_element = vector_slot (cmd_vector, i)) != NULL) - { - char *string; - vector strvec = cmd_element->strvec; - - /* Check field length */ - if (index >= vector_max (strvec)) - vector_slot (cmd_vector, i) = NULL; - else - { - int j; - - descvec = vector_slot (strvec, index); - for (j = 0; j < vector_max (descvec); j++) - { - 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, XSTRDUP (MTYPE_TMP, 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 = XMALLOC (MTYPE_TMP, lcd + 1); - memcpy (lcdstr, matchvec->index[0], lcd); - lcdstr[lcd] = '\0'; - - /* match_str = (char **) &lcdstr; */ - - /* Free matchvec. */ - for (i = 0; i < vector_max (matchvec); i++) - { - if (vector_slot (matchvec, i)) - XFREE (MTYPE_TMP, 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; -} - -/* Execute command by argument vline vector. */ -int -cmd_execute_command (vector vline, struct vty *vty, struct cmd_element **cmd) -{ - int i; - int index; - vector cmd_vector; - struct cmd_element *cmd_element; - struct cmd_element *matched_element; - unsigned int matched_count, incomplete_count; - int argc; - 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_max (vline); index++) - { - int ret; - - command = vector_slot (vline, index); - - 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_max (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; -#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_max (vline); i++) - { - if (varflag) - argv[argc++] = vector_slot (vline, i); - else - { - vector descvec = vector_slot (matched_element->strvec, i); - - if (vector_max (descvec) == 1) - { - struct desc *desc = vector_slot (descvec, 0); - char *str = desc->cmd; - - if (CMD_VARARG (str)) - varflag = 1; - - if (varflag || CMD_VARIABLE (str) || CMD_OPTION (str)) - 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); -} - -/* Execute command by argument readline. */ -int -cmd_execute_command_strict (vector vline, struct vty *vty, - struct cmd_element **cmd) -{ - int i; - int index; - vector cmd_vector; - struct cmd_element *cmd_element; - struct cmd_element *matched_element; - unsigned int matched_count, incomplete_count; - int argc; - 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_max (vline); index++) - { - int ret; - - command = vector_slot (vline, index); - - 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_max (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_max (vline); i++) - { - if (varflag) - argv[argc++] = vector_slot (vline, i); - else - { - vector descvec = vector_slot (matched_element->strvec, i); - - if (vector_max (descvec) == 1) - { - struct desc *desc = vector_slot (descvec, 0); - char *str = desc->cmd; - - if (CMD_VARARG (str)) - varflag = 1; - - if (varflag || CMD_VARIABLE (str) || CMD_OPTION (str)) - 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 */ - if (ret != CMD_SUCCESS && ret != CMD_WARNING) - { - if (vty->node == KEYCHAIN_KEY_NODE) - { - vty->node = KEYCHAIN_NODE; - - ret = cmd_execute_command_strict (vline, vty, NULL); - - if (ret != CMD_SUCCESS && ret != CMD_WARNING) - { - vty->node = CONFIG_NODE; - ret = cmd_execute_command_strict (vline, vty, NULL); - } - } - else - { - vty->node = CONFIG_NODE; - ret = cmd_execute_command_strict (vline, vty, NULL); - } - } - - cmd_free_strvec (vline); - - if (ret != CMD_SUCCESS && ret != CMD_WARNING) - 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. */ -DEFUN (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 (vty_shell (vty)) - exit (0); - else - vty->status = VTY_CLOSE; - break; - case CONFIG_NODE: - vty->node = ENABLE_NODE; - vty_config_unlock (vty); - break; - case INTERFACE_NODE: - case ZEBRA_NODE: - case BGP_NODE: - case RIP_NODE: - case RIPNG_NODE: - case OSPF_NODE: - case OSPF6_NODE: - case ISIS_NODE: - case KEYCHAIN_NODE: - case MASC_NODE: - case RMAP_NODE: - case VTY_NODE: - vty->node = CONFIG_NODE; - break; - case BGP_VPNV4_NODE: - case BGP_IPV4_NODE: - case BGP_IPV4M_NODE: - case BGP_IPV6_NODE: - vty->node = BGP_NODE; - break; - case KEYCHAIN_KEY_NODE: - vty->node = KEYCHAIN_NODE; - break; - default: - break; - } - return CMD_SUCCESS; -} - -/* quit is alias of exit. */ -ALIAS (config_exit, - config_quit_cmd, - "quit", - "Exit current mode and down to previous mode\n") - -/* End of configuration. */ -DEFUN (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 INTERFACE_NODE: - case ZEBRA_NODE: - case RIP_NODE: - case RIPNG_NODE: - case BGP_NODE: - case BGP_VPNV4_NODE: - case BGP_IPV4_NODE: - case BGP_IPV4M_NODE: - case BGP_IPV6_NODE: - case RMAP_NODE: - case OSPF_NODE: - case OSPF6_NODE: - case ISIS_NODE: - case KEYCHAIN_NODE: - case KEYCHAIN_KEY_NODE: - case MASC_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 zebra version\n") -{ - vty_out (vty, "Zebra %s (%s).%s", ZEBRA_VERSION, - host_name, - VTY_NEWLINE); - vty_out (vty, "Copyright 1996-2002, Kunihiro Ishiguro.%s", VTY_NEWLINE); - - return CMD_SUCCESS; -} - -/* Help display function for all node. */ -DEFUN (config_help, - config_help_cmd, - "help", - "Description of the interactive help system\n") -{ - vty_out (vty, - "Zebra VTY provides advanced help feature. 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. */ -DEFUN (config_list, - config_list_cmd, - "list", - "Print command list\n") -{ - int i; - struct cmd_node *cnode = vector_slot (cmdvec, vty->node); - struct cmd_element *cmd; - - for (i = 0; i < vector_max (cnode->cmd_vector); i++) - if ((cmd = vector_slot (cnode->cmd_vector, i)) != NULL) - 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") -{ - 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 = malloc (strlen (config_file) + strlen (CONF_BACKUP_EXT) + 1); - strcpy (config_file_sav, config_file); - strcat (config_file_sav, CONF_BACKUP_EXT); - - - config_file_tmp = malloc (strlen (config_file) + 8); - 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); - free (config_file_tmp); - 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! Zebra configuration saved from vty\n! "); - vty_time_print (file_vty, 1); - vty_out (file_vty, "!\n"); - - for (i = 0; i < vector_max (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); - free (config_file_sav); - 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); - free (config_file_sav); - 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); - free (config_file_sav); - 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); - free (config_file_sav); - free (config_file_tmp); - unlink (config_file_tmp); - return CMD_WARNING; - } - unlink (config_file_tmp); - sync (); - - free (config_file_sav); - free (config_file_tmp); - 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") -{ - int i; - struct cmd_node *node; - - if (vty->type == VTY_SHELL_SERV) - { - for (i = 0; i < vector_max (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_max (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) - XFREE (0, host.name); - - host.name = strdup (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) - XFREE (0, 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) - XFREE (0, host.password); - host.password = NULL; - if (host.password_encrypt) - XFREE (0, host.password_encrypt); - host.password_encrypt = XSTRDUP (0, strdup (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) - XFREE (0, host.password); - host.password = NULL; - - if (host.encrypt) - { - if (host.password_encrypt) - XFREE (0, host.password_encrypt); - host.password_encrypt = XSTRDUP (0, zencrypt (argv[0])); - } - else - host.password = XSTRDUP (0, 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) - XFREE (0, host.enable); - host.enable = NULL; - - if (host.enable_encrypt) - XFREE (0, host.enable_encrypt); - host.enable_encrypt = XSTRDUP (0, 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) - XFREE (0, host.enable); - host.enable = NULL; - - /* Plain password input. */ - if (host.encrypt) - { - if (host.enable_encrypt) - XFREE (0, host.enable_encrypt); - host.enable_encrypt = XSTRDUP (0, zencrypt (argv[0])); - } - else - host.enable = XSTRDUP (0, 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) - XFREE (0, host.enable); - host.enable = NULL; - - if (host.enable_encrypt) - XFREE (0, host.enable_encrypt); - host.enable_encrypt = NULL; - - return CMD_SUCCESS; -} - -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) - XFREE (0, host.password_encrypt); - host.password_encrypt = XSTRDUP (0, zencrypt (host.password)); - } - if (host.enable) - { - if (host.enable_encrypt) - XFREE (0, host.enable_encrypt); - host.enable_encrypt = XSTRDUP (0, 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) - XFREE (0, host.password_encrypt); - host.password_encrypt = NULL; - - if (host.enable_encrypt) - XFREE (0, host.enable_encrypt); - host.enable_encrypt = NULL; - - return CMD_SUCCESS; -} - -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 (config_log_stdout, - config_log_stdout_cmd, - "log stdout", - "Logging control\n" - "Logging goes to stdout\n") -{ - zlog_set_flag (NULL, ZLOG_STDOUT); - host.log_stdout = 1; - return CMD_SUCCESS; -} - -DEFUN (no_config_log_stdout, - no_config_log_stdout_cmd, - "no log stdout", - NO_STR - "Logging control\n" - "Cancel logging to stdout\n") -{ - zlog_reset_flag (NULL, ZLOG_STDOUT); - host.log_stdout = 0; - return CMD_SUCCESS; -} - -DEFUN (config_log_file, - config_log_file_cmd, - "log file FILENAME", - "Logging control\n" - "Logging to file\n" - "Logging filename\n") -{ - int ret; - char *cwd; - char *fullpath; - - /* Path detection. */ - if (! IS_DIRECTORY_SEP (*argv[0])) - { - cwd = getcwd (NULL, MAXPATHLEN); - fullpath = XMALLOC (MTYPE_TMP, - strlen (cwd) + strlen (argv[0]) + 2); - sprintf (fullpath, "%s/%s", cwd, argv[0]); - } - else - fullpath = argv[0]; - - ret = zlog_set_file (NULL, ZLOG_FILE, fullpath); - - if (!ret) - { - vty_out (vty, "can't open logfile %s\n", argv[0]); - return CMD_WARNING; - } - - if (host.logfile) - XFREE (MTYPE_TMP, host.logfile); - - host.logfile = strdup (argv[0]); - - return CMD_SUCCESS; -} - -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) - XFREE (MTYPE_TMP, host.logfile); - - host.logfile = NULL; - - return CMD_SUCCESS; -} - -DEFUN (config_log_syslog, - config_log_syslog_cmd, - "log syslog", - "Logging control\n" - "Logging goes to syslog\n") -{ - zlog_set_flag (NULL, ZLOG_SYSLOG); - host.log_syslog = 1; - return CMD_SUCCESS; -} - -DEFUN (no_config_log_syslog, - no_config_log_syslog_cmd, - "no log syslog", - NO_STR - "Logging control\n" - "Cancel logging to syslog\n") -{ - zlog_reset_flag (NULL, ZLOG_SYSLOG); - host.log_syslog = 0; - return CMD_SUCCESS; -} - -DEFUN (config_log_trap, - config_log_trap_cmd, - "log trap (emergencies|alerts|critical|errors|warnings|notifications|informational|debugging)", - "Logging control\n" - "Limit logging to specifed level\n") -{ - int new_level ; - - for ( new_level = 0 ; zlog_priority [new_level] != NULL ; new_level ++ ) - { - if ( strcmp ( argv[0], zlog_priority [new_level] ) == 0 ) - /* found new logging level */ - { - zlog_default->maskpri = new_level; - return CMD_SUCCESS; - } - } - return CMD_ERR_NO_MATCH; -} - -DEFUN (no_config_log_trap, - no_config_log_trap_cmd, - "no log trap", - NO_STR - "Logging control\n" - "Permit all logging information\n") -{ - zlog_default->maskpri = 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; -} - - -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; - return CMD_SUCCESS; -} - -/* Set config filename. Called from vty.c */ -void -host_config_set (char *filename) -{ - host.config = strdup (filename); -} - -void -install_default (enum node_type node) -{ - install_element (node, &config_exit_cmd); - install_element (node, &config_quit_cmd); - install_element (node, &config_end_cmd); - 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); -} - -/* 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; - - /* 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_quit_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); - } - - if (terminal) - { - install_default (ENABLE_NODE); - install_element (ENABLE_NODE, &config_disable_cmd); - install_element (ENABLE_NODE, &config_terminal_cmd); - install_element (ENABLE_NODE, &show_running_config_cmd); - install_element (ENABLE_NODE, ©_runningconfig_startupconfig_cmd); - } - install_element (ENABLE_NODE, &show_startup_config_cmd); - install_element (ENABLE_NODE, &show_version_cmd); - install_element (ENABLE_NODE, &config_terminal_length_cmd); - install_element (ENABLE_NODE, &config_terminal_no_length_cmd); - - if (terminal) - install_default (CONFIG_NODE); - install_element (CONFIG_NODE, &hostname_cmd); - install_element (CONFIG_NODE, &no_hostname_cmd); - 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); - if (terminal) - { - install_element (CONFIG_NODE, &config_log_stdout_cmd); - install_element (CONFIG_NODE, &no_config_log_stdout_cmd); - install_element (CONFIG_NODE, &config_log_file_cmd); - install_element (CONFIG_NODE, &no_config_log_file_cmd); - install_element (CONFIG_NODE, &config_log_syslog_cmd); - install_element (CONFIG_NODE, &no_config_log_syslog_cmd); - install_element (CONFIG_NODE, &config_log_trap_cmd); - install_element (CONFIG_NODE, &no_config_log_trap_cmd); - install_element (CONFIG_NODE, &config_log_record_priority_cmd); - install_element (CONFIG_NODE, &no_config_log_record_priority_cmd); - install_element (CONFIG_NODE, &service_password_encrypt_cmd); - install_element (CONFIG_NODE, &no_service_password_encrypt_cmd); - install_element (CONFIG_NODE, &banner_motd_default_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)); -} |