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Fixes possible buffer overflow when printing BGP attributes.

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Thanks to Alexander V. Chernikov for the patch.
This commit is contained in:
Ondrej Zajicek 2011-09-03 21:59:40 +02:00
parent 2918e61046
commit 6c4df70373
1 changed files with 4 additions and 2 deletions
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6
proto/bgp/attrs.c
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@ -1576,16 +1576,18 @@ bgp_get_attr(eattr *a, byte *buf, int buflen)
{
unsigned int i = EA_ID(a->id);
struct attr_desc *d;
int len;
if (ATTR_KNOWN(i))
{
d = &bgp_attr_table[i];
buf += bsprintf(buf, "%s", d->name);
len = bsprintf(buf, "%s", d->name);
buf += len;
if (d->format)
{
*buf++ = ':';
*buf++ = ' ';
d->format(a, buf, buflen);
d->format(a, buf, buflen - len - 2);
return GA_FULL;
}
return GA_NAME;