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Merge pull request #10631 from FRRouting/mergify/bp/dev/8.2/pr-10615

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pimd: Do not allow 224.0.0.0/24 range in igmp join (backport #10615)
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Donatas Abraitis 2022-02-23 10:34:37 +02:00 committed by GitHub
commit fa2713e7b5
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1 changed files with 9 additions and 0 deletions
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9
pimd/pim_nb_config.c
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@ -31,6 +31,7 @@
#include "pim_ssm.h"
#include "pim_ssmpingd.h"
#include "pim_vxlan.h"
#include "pim_util.h"
#include "log.h"
#include "lib_errors.h"
@ -2833,6 +2834,14 @@ int lib_interface_gmp_address_family_static_group_create(
ifp_name);
return NB_ERR_VALIDATION;
}
yang_dnode_get_ip(&group_addr, args->dnode, "./group-addr");
if (pim_is_group_224_0_0_0_24(group_addr.ip._v4_addr)) {
snprintf(
args->errmsg, args->errmsg_len,
"Groups within 224.0.0.0/24 are reserved and cannot be joined");
return NB_ERR_VALIDATION;
}
break;
case NB_EV_PREPARE:
case NB_EV_ABORT: