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blacklist: Remove the sscanf() for the IPv4 blacklist check. 

From ratbox r27061 (androsyn).
This commit is contained in:
William Pitcock 2010-12-04 23:11:04 -06:00
parent b0e752b0f9
commit b67bc679f3
1 changed files with 8 additions and 4 deletions
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12
src/blacklist.c
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@ -117,7 +117,7 @@ static void initiate_blacklist_dnsquery(struct Blacklist *blptr, struct Client *
{ {
struct BlacklistClient *blcptr = rb_malloc(sizeof(struct BlacklistClient)); struct BlacklistClient *blcptr = rb_malloc(sizeof(struct BlacklistClient));
char buf[IRCD_RES_HOSTLEN + 1]; char buf[IRCD_RES_HOSTLEN + 1];
int ip[4]; uint8_t *ip;
blcptr->blacklist = blptr; blcptr->blacklist = blptr;
blcptr->client_p = client_p; blcptr->client_p = client_p;
@ -125,11 +125,15 @@ static void initiate_blacklist_dnsquery(struct Blacklist *blptr, struct Client *
blcptr->dns_query.ptr = blcptr; blcptr->dns_query.ptr = blcptr;
blcptr->dns_query.callback = blacklist_dns_callback; blcptr->dns_query.callback = blacklist_dns_callback;
/* XXX: yes I know this is bad, I don't really care right now */ ip = (uint8_t *)&((struct sockaddr_in *)&client_p->localClient->ip)->sin_addr.s_addr;
sscanf(client_p->sockhost, "%d.%d.%d.%d", &ip[3], &ip[2], &ip[1], &ip[0]);
/* becomes 2.0.0.127.torbl.ahbl.org or whatever */ /* becomes 2.0.0.127.torbl.ahbl.org or whatever */
rb_snprintf(buf, sizeof buf, "%d.%d.%d.%d.%s", ip[0], ip[1], ip[2], ip[3], blptr->host); rb_snprintf(buf, sizeof buf, "%d.%d.%d.%d.%s",
(unsigned int) ip[3],
(unsigned int) ip[2],
(unsigned int) ip[1],
(unsigned int) ip[0],
blptr->host);
gethost_byname_type(buf, &blcptr->dns_query, T_A); gethost_byname_type(buf, &blcptr->dns_query, T_A);