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[lonetix/bgp] Check for AGGREGATOR4 presence before checking its correctness

This commit is contained in:
Lorenzo Cogotti 2021-10-18 11:45:17 +02:00
parent 631ee335d8
commit bfdde40031
1 changed files with 8 additions and 6 deletions
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2
lonetix/bgp/attribute.c
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@ -547,6 +547,7 @@ Bgpattr *Bgp_GetRealAggregator(const Bgpattrseg *tpa,
if (Bgp_GetErrStat(NULL)) if (Bgp_GetErrStat(NULL))
return NULL; // forward error return NULL; // forward error
if (attr4) {
if (!BGP_CHKAGGRSIZ(attr4, TRUE)) { if (!BGP_CHKAGGRSIZ(attr4, TRUE)) {
Bgp_SetErrStat(BGPEBADAGGR4); Bgp_SetErrStat(BGPEBADAGGR4);
return NULL; return NULL;
@ -555,6 +556,7 @@ Bgpattr *Bgp_GetRealAggregator(const Bgpattrseg *tpa,
attr = attr4; attr = attr4;
asn32bit = TRUE; asn32bit = TRUE;
} }
}
*isAsn32bit = asn32bit; *isAsn32bit = asn32bit;
return attr; // error already cleared return attr; // error already cleared