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| author | Igor Ryzhov <iryzhov@nfware.com> | 2021-08-06 17:09:46 +0300 |
|---|---|---|
| committer | Igor Ryzhov <iryzhov@nfware.com> | 2021-08-06 17:09:46 +0300 |
| commit | b5bb70e3779f4e9dcf93edc64c7c47bda533bcd7 (patch) | |
| tree | 1aaa48d214b50b4221a06c1a785af98ef1cfa10f /lib/route_opaque.h | |
| parent | a9bf0ff26805e8cb7ff247451ecc8ad6f0c6ad57 (diff) | |
bgpd: add protection against too large opaque data structure
BGP opaque data shouldn't be larger than zebra's buffer.
Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
Diffstat (limited to 'lib/route_opaque.h')
| -rw-r--r-- | lib/route_opaque.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/route_opaque.h b/lib/route_opaque.h index fd4e3d5891..7c4e9a16e1 100644 --- a/lib/route_opaque.h +++ b/lib/route_opaque.h @@ -21,6 +21,9 @@ #ifndef FRR_ROUTE_OPAQUE_H #define FRR_ROUTE_OPAQUE_H +#include "assert.h" +#include "zclient.h" + #include "bgpd/bgp_aspath.h" #include "bgpd/bgp_community.h" #include "bgpd/bgp_lcommunity.h" @@ -35,4 +38,7 @@ struct bgp_zebra_opaque { char lcommunity[LCOMMUNITY_SIZE * 30]; }; +static_assert(sizeof(struct bgp_zebra_opaque) <= ZAPI_MESSAGE_OPAQUE_LENGTH, + "BGP opaque data shouldn't be larger than zebra's buffer"); + #endif /* FRR_ROUTE_OPAQUE_H */ |