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zebra: use safe stream decodes for evpn zapi msg

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Signed-off-by: Quentin Young <qlyoung@nvidia.com>
This commit is contained in:
Quentin Young 2020-09-23 15:40:28 -04:00
parent f3aa221ffd
commit 693fc882d7
1 changed files with 8 additions and 5 deletions
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13
zebra/zebra_evpn_mh.c
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@ -2484,8 +2484,8 @@ void zebra_evpn_proc_remote_es(ZAPI_HANDLER_ARGS)
memset(&esi, 0, sizeof(esi_t)); memset(&esi, 0, sizeof(esi_t));
s = msg; s = msg;
stream_get(&esi, s, sizeof(esi_t)); STREAM_GET(&esi, s, sizeof(esi_t));
vtep_ip.s_addr = stream_get_ipv4(s); STREAM_GET(&vtep_ip.s_addr, s, sizeof(vtep_ip.s_addr));
if (hdr->command == ZEBRA_REMOTE_ES_VTEP_ADD) { if (hdr->command == ZEBRA_REMOTE_ES_VTEP_ADD) {
uint32_t zapi_flags; uint32_t zapi_flags;
@ -2493,16 +2493,19 @@ void zebra_evpn_proc_remote_es(ZAPI_HANDLER_ARGS)
uint16_t df_pref; uint16_t df_pref;
bool esr_rxed; bool esr_rxed;
zapi_flags = stream_getl(s); STREAM_GETL(s, zapi_flags);
esr_rxed = (zapi_flags & ZAPI_ES_VTEP_FLAG_ESR_RXED) ? true esr_rxed = (zapi_flags & ZAPI_ES_VTEP_FLAG_ESR_RXED) ? true
: false; : false;
df_alg = stream_getc(s); STREAM_GETC(s, df_alg);
df_pref = stream_getw(s); STREAM_GETW(s, df_pref);
zebra_evpn_remote_es_add(&esi, vtep_ip, esr_rxed, df_alg, zebra_evpn_remote_es_add(&esi, vtep_ip, esr_rxed, df_alg,
df_pref); df_pref);
} else { } else {
zebra_evpn_remote_es_del(&esi, vtep_ip); zebra_evpn_remote_es_del(&esi, vtep_ip);
} }
stream_failure:
return;
} }
void zebra_evpn_es_mac_deref_entry(zebra_mac_t *mac) void zebra_evpn_es_mac_deref_entry(zebra_mac_t *mac)