diff options
Diffstat (limited to 'isisd/isis_routemap.c')
| -rw-r--r-- | isisd/isis_routemap.c | 551 |
1 files changed, 505 insertions, 46 deletions
diff --git a/isisd/isis_routemap.c b/isisd/isis_routemap.c index 84a14ac5..3e0ab047 100644 --- a/isisd/isis_routemap.c +++ b/isisd/isis_routemap.c @@ -1,13 +1,10 @@ /* - * IS-IS Rout(e)ing protocol - isis_routemap.c - * - * Copyright (C) 2001,2002 Sampo Saaristo - * Tampere University of Technology - * Institute of Communications Engineering + * IS-IS Rout(e)ing protocol - isis_routemap.c * + * Copyright (C) 2013-2015 Christian Franke <chris@opensourcerouting.org> * * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public Licenseas published by the Free + * 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. * @@ -20,18 +17,22 @@ * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + #include <zebra.h> -#include "thread.h" +#include "command.h" +#include "filter.h" +#include "hash.h" +#include "if.h" #include "linklist.h" -#include "vty.h" #include "log.h" #include "memory.h" #include "prefix.h" -#include "hash.h" -#include "if.h" -#include "table.h" +#include "plist.h" #include "routemap.h" +#include "table.h" +#include "thread.h" +#include "vty.h" #include "isis_constants.h" #include "isis_common.h" @@ -47,60 +48,518 @@ #include "isis_spf.h" #include "isis_route.h" #include "isis_zebra.h" +#include "isis_routemap.h" -extern struct isis *isis; +static route_map_result_t +route_match_ip_address(void *rule, struct prefix *prefix, + route_map_object_t type, void *object) +{ + struct access_list *alist; -/* - * Prototypes. - */ -void isis_route_map_upd(const char *); -void isis_route_map_event(route_map_event_t, const char *); -void isis_route_map_init(void); + if (type != RMAP_ISIS) + return RMAP_NOMATCH; + alist = access_list_lookup(AFI_IP, (char*)rule); + if (access_list_apply(alist, prefix) != FILTER_DENY) + return RMAP_MATCH; -void -isis_route_map_upd (const char *name) + return RMAP_NOMATCH; +} + +static void * +route_match_ip_address_compile(const char *arg) +{ + return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg); +} + +static void +route_match_ip_address_free(void *rule) +{ + XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); +} + +static struct route_map_rule_cmd route_match_ip_address_cmd = +{ + "ip address", + route_match_ip_address, + route_match_ip_address_compile, + route_match_ip_address_free +}; + +/* ------------------------------------------------------------*/ + +static route_map_result_t +route_match_ip_address_prefix_list(void *rule, struct prefix *prefix, + route_map_object_t type, void *object) +{ + struct prefix_list *plist; + + if (type != RMAP_ISIS) + return RMAP_NOMATCH; + + plist = prefix_list_lookup(AFI_IP, (char*)rule); + if (prefix_list_apply(plist, prefix) != PREFIX_DENY) + return RMAP_MATCH; + + return RMAP_NOMATCH; +} + +static void * +route_match_ip_address_prefix_list_compile(const char *arg) +{ + return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg); +} + +static void +route_match_ip_address_prefix_list_free (void *rule) +{ + XFREE (MTYPE_ROUTE_MAP_COMPILED, rule); +} + +struct route_map_rule_cmd route_match_ip_address_prefix_list_cmd = +{ + "ip address prefix-list", + route_match_ip_address_prefix_list, + route_match_ip_address_prefix_list_compile, + route_match_ip_address_prefix_list_free +}; + +/* ------------------------------------------------------------*/ + +static route_map_result_t +route_match_ipv6_address(void *rule, struct prefix *prefix, + route_map_object_t type, void *object) { - int i = 0; + struct access_list *alist; - if (!isis) - return; + if (type != RMAP_ISIS) + return RMAP_NOMATCH; + + alist = access_list_lookup(AFI_IP6, (char*)rule); + if (access_list_apply(alist, prefix) != FILTER_DENY) + return RMAP_MATCH; + + return RMAP_NOMATCH; +} + +static void * +route_match_ipv6_address_compile(const char *arg) +{ + return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg); +} + +static void +route_match_ipv6_address_free(void *rule) +{ + XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); +} + +static struct route_map_rule_cmd route_match_ipv6_address_cmd = +{ + "ipv6 address", + route_match_ipv6_address, + route_match_ipv6_address_compile, + route_match_ipv6_address_free +}; + +/* ------------------------------------------------------------*/ + +static route_map_result_t +route_match_ipv6_address_prefix_list(void *rule, struct prefix *prefix, + route_map_object_t type, void *object) +{ + struct prefix_list *plist; - for (i = 0; i <= ZEBRA_ROUTE_MAX; i++) + if (type != RMAP_ISIS) + return RMAP_NOMATCH; + + plist = prefix_list_lookup(AFI_IP6, (char*)rule); + if (prefix_list_apply(plist, prefix) != PREFIX_DENY) + return RMAP_MATCH; + + return RMAP_NOMATCH; +} + +static void * +route_match_ipv6_address_prefix_list_compile(const char *arg) +{ + return XSTRDUP (MTYPE_ROUTE_MAP_COMPILED, arg); +} + +static void +route_match_ipv6_address_prefix_list_free (void *rule) +{ + XFREE (MTYPE_ROUTE_MAP_COMPILED, rule); +} + +struct route_map_rule_cmd route_match_ipv6_address_prefix_list_cmd = +{ + "ipv6 address prefix-list", + route_match_ipv6_address_prefix_list, + route_match_ipv6_address_prefix_list_compile, + route_match_ipv6_address_prefix_list_free +}; + +/* ------------------------------------------------------------*/ + +static route_map_result_t +route_set_metric(void *rule, struct prefix *prefix, + route_map_object_t type, void *object) +{ + uint32_t *metric; + struct isis_ext_info *info; + + if (type == RMAP_ISIS) { - if (isis->rmap[i].name) - isis->rmap[i].map = route_map_lookup_by_name (isis->rmap[i].name); - else - isis->rmap[i].map = NULL; + metric = rule; + info = object; + + info->metric = *metric; } - /* FIXME: do the address family sub-mode AF_INET6 here ? */ + return RMAP_OKAY; } -void -isis_route_map_event (route_map_event_t event, const char *name) +static void * +route_set_metric_compile(const char *arg) +{ + unsigned long metric; + char *endp; + uint32_t *ret; + + metric = strtoul(arg, &endp, 10); + if (arg[0] == '\0' || *endp != '\0' || metric > MAX_WIDE_PATH_METRIC) + return NULL; + + ret = XCALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(ret)); + *ret = metric; + + return ret; +} + +static void +route_set_metric_free(void *rule) { - int type; + XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); +} + +static struct route_map_rule_cmd route_set_metric_cmd = +{ + "metric", + route_set_metric, + route_set_metric_compile, + route_set_metric_free +}; - if (!isis) - return; +/* ------------------------------------------------------------*/ + +static int +isis_route_match_add(struct vty *vty, struct route_map_index *index, + const char *command, const char *arg) +{ + int ret; - for (type = 0; type <= ZEBRA_ROUTE_MAX; type++) + ret = route_map_add_match (index, command, arg); + if (ret) { - if (isis->rmap[type].name && isis->rmap[type].map && - !strcmp (isis->rmap[type].name, name)) - { - isis_distribute_list_update (type); - } + switch (ret) + { + case RMAP_RULE_MISSING: + vty_out (vty, "%% Can't find rule.%s", VTY_NEWLINE); + return CMD_WARNING; + case RMAP_COMPILE_ERROR: + vty_out (vty, "%% Argument is malformed.%s", VTY_NEWLINE); + return CMD_WARNING; + } } + return CMD_SUCCESS; +} + +static int +isis_route_match_delete(struct vty *vty, struct route_map_index *index, + const char *command, const char *arg) +{ + int ret; + + ret = route_map_delete_match (index, command, arg); + if (ret) + { + switch (ret) + { + case RMAP_RULE_MISSING: + vty_out (vty, "%% Can't find rule.%s", VTY_NEWLINE); + return CMD_WARNING; + case RMAP_COMPILE_ERROR: + vty_out (vty, "%% Argument is malformed.%s", VTY_NEWLINE); + return CMD_WARNING; + } + } + return CMD_SUCCESS; +} + +static int +isis_route_set_add(struct vty *vty, struct route_map_index *index, + const char *command, const char *arg) +{ + int ret; + + ret = route_map_add_set(index, command, arg); + if (ret) + { + switch (ret) + { + case RMAP_RULE_MISSING: + vty_out (vty, "%% Can't find rule.%s", VTY_NEWLINE); + return CMD_WARNING; + case RMAP_COMPILE_ERROR: + vty_out (vty, "%% Argument is malformed.%s", VTY_NEWLINE); + return CMD_WARNING; + } + } + + return CMD_SUCCESS; +} + +static int +isis_route_set_delete (struct vty *vty, struct route_map_index *index, + const char *command, const char *arg) +{ + int ret; + + ret = route_map_delete_set (index, command, arg); + if (ret) + { + switch (ret) + { + case RMAP_RULE_MISSING: + vty_out (vty, "%% Can't find rule.%s", VTY_NEWLINE); + return CMD_WARNING; + case RMAP_COMPILE_ERROR: + vty_out (vty, "%% Argument is malformed.%s", VTY_NEWLINE); + return CMD_WARNING; + } + } + + return CMD_SUCCESS; +} + +/* ------------------------------------------------------------*/ + +DEFUN(match_ip_address, + match_ip_address_cmd, + "match ip address (<1-199>|<1300-2699>|WORD)", + MATCH_STR + IP_STR + "Match address of route\n" + "IP access-list number\n" + "IP access-list number (expanded range)\n" + "IP Access-list name\n") +{ + return isis_route_match_add(vty, vty->index, "ip address", argv[0]); +} + +DEFUN(no_match_ip_address, + no_match_ip_address_val_cmd, + "no match ip address (<1-199>|<1300-2699>|WORD)", + NO_STR + MATCH_STR + IP_STR + "Match address of route\n" + "IP access-list number\n" + "IP access-list number (expanded range)\n" + "IP Access-list name\n") +{ + if (argc == 0) + return isis_route_match_delete(vty, vty->index, "ip address", NULL); + return isis_route_match_delete(vty, vty->index, "ip address", argv[0]); } +ALIAS(no_match_ip_address, + no_match_ip_address_cmd, + "no match ip address", + NO_STR + MATCH_STR + IP_STR + "Match address of route\n" +); + +/* ------------------------------------------------------------*/ + +DEFUN(match_ip_address_prefix_list, + match_ip_address_prefix_list_cmd, + "match ip address prefix-list WORD", + MATCH_STR + IP_STR + "Match address of route\n" + "Match entries of prefix-lists\n" + "IP prefix-list name\n") +{ + return isis_route_match_add(vty, vty->index, "ip address prefix-list", argv[0]); +} + +DEFUN(no_match_ip_address_prefix_list, + no_match_ip_address_prefix_list_cmd, + "no match ip address prefix-list", + NO_STR + MATCH_STR + IP_STR + "Match address of route\n" + "Match entries of prefix-lists\n") +{ + if (argc == 0) + return isis_route_match_delete (vty, vty->index, "ip address prefix-list", NULL); + return isis_route_match_delete (vty, vty->index, "ip address prefix-list", argv[0]); +} + +ALIAS(no_match_ip_address_prefix_list, + no_match_ip_address_prefix_list_val_cmd, + "no match ip address prefix-list WORD", + NO_STR + MATCH_STR + IP_STR + "Match address of route\n" + "Match entries of prefix-lists\n" + "IP prefix-list name\n" +); + +/* ------------------------------------------------------------*/ + +DEFUN(match_ipv6_address, + match_ipv6_address_cmd, + "match ipv6 address WORD", + MATCH_STR + IPV6_STR + "Match IPv6 address of route\n" + "IPv6 access-list name\n") +{ + return isis_route_match_add(vty, vty->index, "ipv6 address", argv[0]); +} + +DEFUN(no_match_ipv6_address, + no_match_ipv6_address_val_cmd, + "no match ipv6 address WORD", + NO_STR + MATCH_STR + IPV6_STR + "Match IPv6 address of route\n" + "IPv6 access-list name\n") +{ + if (argc == 0) + return isis_route_match_delete(vty, vty->index, "ipv6 address", NULL); + return isis_route_match_delete(vty, vty->index, "ipv6 address", argv[0]); +} + +ALIAS(no_match_ipv6_address, + no_match_ipv6_address_cmd, + "no match ipv6 address", + NO_STR + MATCH_STR + IPV6_STR + "Match IPv6 address of route\n" +); + +/* ------------------------------------------------------------*/ + +DEFUN(match_ipv6_address_prefix_list, + match_ipv6_address_prefix_list_cmd, + "match ipv6 address prefix-list WORD", + MATCH_STR + IPV6_STR + "Match address of route\n" + "Match entries of prefix-lists\n" + "IP prefix-list name\n") +{ + return isis_route_match_add(vty, vty->index, "ipv6 address prefix-list", argv[0]); +} + +DEFUN(no_match_ipv6_address_prefix_list, + no_match_ipv6_address_prefix_list_cmd, + "no match ipv6 address prefix-list", + NO_STR + MATCH_STR + IPV6_STR + "Match address of route\n" + "Match entries of prefix-lists\n") +{ + if (argc == 0) + return isis_route_match_delete (vty, vty->index, "ipv6 address prefix-list", NULL); + return isis_route_match_delete (vty, vty->index, "ipv6 address prefix-list", argv[0]); +} + +ALIAS(no_match_ipv6_address_prefix_list, + no_match_ipv6_address_prefix_list_val_cmd, + "no match ipv6 address prefix-list WORD", + NO_STR + MATCH_STR + IPV6_STR + "Match address of route\n" + "Match entries of prefix-lists\n" + "IP prefix-list name\n" +); + +/* ------------------------------------------------------------*/ + +/* set metric already exists e.g. in the ospf routemap. vtysh doesn't cope well with different + * commands at the same node, therefore add set metric with the same 32-bit range as ospf and + * verify that the input is a valid isis metric */ +DEFUN(set_metric, + set_metric_cmd, + "set metric <0-4294967295>", + SET_STR + "Metric vale for destination routing protocol\n" + "Metric value\n") +{ + return isis_route_set_add(vty, vty->index, "metric", argv[0]); +} + +DEFUN(no_set_metric, + no_set_metric_val_cmd, + "no set metric <0-4294967295>", + NO_STR + SET_STR + "Metric value for destination routing protocol\n" + "Metric value\n") +{ + if (argc == 0) + return isis_route_set_delete(vty, vty->index, "metric", NULL); + return isis_route_set_delete(vty, vty->index, "metric", argv[0]); +} + +ALIAS(no_set_metric, + no_set_metric_cmd, + "no set metric", + NO_STR + SET_STR + "Metric vale for destination routing protocol\n" +); + void -isis_route_map_init (void) +isis_route_map_init(void) { - route_map_init (); - route_map_init_vty (); + route_map_init(); + route_map_init_vty(); + + route_map_install_match(&route_match_ip_address_cmd); + install_element(RMAP_NODE, &match_ip_address_cmd); + install_element(RMAP_NODE, &no_match_ip_address_val_cmd); + install_element(RMAP_NODE, &no_match_ip_address_cmd); + + route_map_install_match(&route_match_ip_address_prefix_list_cmd); + install_element(RMAP_NODE, &match_ip_address_prefix_list_cmd); + install_element(RMAP_NODE, &no_match_ip_address_prefix_list_val_cmd); + install_element(RMAP_NODE, &no_match_ip_address_prefix_list_cmd); + + route_map_install_match(&route_match_ipv6_address_cmd); + install_element(RMAP_NODE, &match_ipv6_address_cmd); + install_element(RMAP_NODE, &no_match_ipv6_address_val_cmd); + install_element(RMAP_NODE, &no_match_ipv6_address_cmd); + + route_map_install_match(&route_match_ipv6_address_prefix_list_cmd); + install_element(RMAP_NODE, &match_ipv6_address_prefix_list_cmd); + install_element(RMAP_NODE, &no_match_ipv6_address_prefix_list_val_cmd); + install_element(RMAP_NODE, &no_match_ipv6_address_prefix_list_cmd); - route_map_add_hook (isis_route_map_upd); - route_map_delete_hook (isis_route_map_upd); - route_map_event_hook (isis_route_map_event); + route_map_install_set(&route_set_metric_cmd); + install_element(RMAP_NODE, &set_metric_cmd); + install_element(RMAP_NODE, &no_set_metric_val_cmd); + install_element(RMAP_NODE, &no_set_metric_cmd); } |