getnameinfo: check size and family of salen
parent
346474a43b
commit
1c265b9628
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@ -395,6 +395,8 @@ int pc_getnameinfo(const struct sockaddr *sa, socklen_t salen,
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if(!proxychains_resolver) {
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ret = true_getnameinfo(sa, salen, host, hostlen, serv, servlen, flags);
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} else {
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if(salen < sizeof(struct sockaddr_in) || SOCKFAMILY(*sa) != AF_INET)
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return EAI_FAMILY;
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if(hostlen) {
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pc_stringfromipv4((unsigned char*) &(SOCKADDR_2(*sa)), ip_buf);
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if(snprintf(host, hostlen, "%s", ip_buf) >= hostlen)
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