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ripngd: add ability to match by ipv6 access/prefix list in route-maps #9200

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ripngd: add ability to match by ipv6 access/prefix list in route-maps #9200

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72 changes: 72 additions & 0 deletions ripngd/ripng_routemap.c
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Original file line number Diff line number Diff line change
Expand Up @@ -127,6 +127,70 @@ static const struct route_map_rule_cmd route_match_interface_cmd = {
route_match_interface_free
};

/* match ipv6 address WORD */

static enum route_map_cmd_result_t
route_match_ipv6_address(void *rule, const struct prefix *prefix, void *object)
{
struct access_list *alist;

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 const 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
};

/* match ipv6 address prefix-list PREFIX_LIST */

static enum route_map_cmd_result_t
route_match_ipv6_address_prefix_list(void *rule, const struct prefix *prefix,
void *object)
{
struct prefix_list *plist;

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);
}

static const 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
};

/* `match tag TAG' */
/* Match function return 1 if match is success else return zero. */
static enum route_map_cmd_result_t route_match_tag(void *rule,
Expand Down Expand Up @@ -342,6 +406,12 @@ void ripng_route_map_init(void)
route_map_match_interface_hook(generic_match_add);
route_map_no_match_interface_hook(generic_match_delete);

route_map_match_ipv6_address_hook(generic_match_add);
route_map_no_match_ipv6_address_hook(generic_match_delete);

route_map_match_ipv6_address_prefix_list_hook(generic_match_add);
route_map_no_match_ipv6_address_prefix_list_hook(generic_match_delete);

route_map_match_metric_hook(generic_match_add);
route_map_no_match_metric_hook(generic_match_delete);

Expand All @@ -359,6 +429,8 @@ void ripng_route_map_init(void)

route_map_install_match(&route_match_metric_cmd);
route_map_install_match(&route_match_interface_cmd);
route_map_install_match(&route_match_ipv6_address_cmd);
route_map_install_match(&route_match_ipv6_address_prefix_list_cmd);
route_map_install_match(&route_match_tag_cmd);
route_map_install_set(&route_set_metric_cmd);
route_map_install_set(&route_set_ipv6_nexthop_local_cmd);
Expand Down