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Ensure request name in buffer for ipset lookup.

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This commit is contained in:
Simon Kelley
2014-04-13 20:48:57 +01:00
parent 97dce08ed7
commit 82a14af5e7
1 changed files with 15 additions and 12 deletions
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27
src/forward.c
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@@ -535,20 +535,23 @@ static size_t process_reply(struct dns_header *header, time_t now, struct server
(void) do_bit;
#ifdef HAVE_IPSET
/* Similar algorithm to search_servers. */
struct ipsets *ipset_pos;
unsigned int namelen = strlen(daemon->namebuff);
unsigned int matchlen = 0;
for (ipset_pos = daemon->ipsets; ipset_pos; ipset_pos = ipset_pos->next)
if (daemon->ipsets && extract_request(header, n, daemon->namebuff, NULL))
{
unsigned int domainlen = strlen(ipset_pos->domain);
char *matchstart = daemon->namebuff + namelen - domainlen;
if (namelen >= domainlen && hostname_isequal(matchstart, ipset_pos->domain) &&
(domainlen == 0 || namelen == domainlen || *(matchstart - 1) == '.' ) &&
domainlen >= matchlen)
/* Similar algorithm to search_servers. */
struct ipsets *ipset_pos;
unsigned int namelen = strlen(daemon->namebuff);
unsigned int matchlen = 0;
for (ipset_pos = daemon->ipsets; ipset_pos; ipset_pos = ipset_pos->next)
{
matchlen = domainlen;
sets = ipset_pos->sets;
unsigned int domainlen = strlen(ipset_pos->domain);
char *matchstart = daemon->namebuff + namelen - domainlen;
if (namelen >= domainlen && hostname_isequal(matchstart, ipset_pos->domain) &&
(domainlen == 0 || namelen == domainlen || *(matchstart - 1) == '.' ) &&
domainlen >= matchlen)
{
matchlen = domainlen;
sets = ipset_pos->sets;
}
}
}
#endif