X-Git-Url: https://jfr.im/git/solanum.git/blobdiff_plain/9b24cbdecc72337e825764f39cdf59ca23f41788..9f928dc532a304f0cc690d580b0637e5386bdebd:/authd/dns.c diff --git a/authd/dns.c b/authd/dns.c index 45db36a2..b251dd63 100644 --- a/authd/dns.c +++ b/authd/dns.c @@ -20,6 +20,7 @@ #include "authd.h" #include "dns.h" +#include "notice.h" #include "res.h" static void handle_lookup_ip_reply(void *data, struct DNSReply *reply); @@ -118,11 +119,14 @@ static void handle_lookup_ip_reply(void *data, struct DNSReply *reply) { struct dns_query *query = data; - char ip[64] = "*"; + char ip[HOSTIPLEN] = "*"; if(query == NULL) + { /* Shouldn't happen */ - exit(2); + warn_opers(L_CRIT, "DNS: handle_lookup_ip_reply: query == NULL!"); + exit(EX_DNS_ERROR); + } if(reply == NULL) goto end; @@ -147,7 +151,9 @@ handle_lookup_ip_reply(void *data, struct DNSReply *reply) break; #endif default: - exit(3); + warn_opers(L_CRIT, "DNS: handle_lookup_ip_reply: unknown query type %d", + query->type); + exit(EX_DNS_ERROR); } end: @@ -165,8 +171,11 @@ handle_lookup_hostname_reply(void *data, struct DNSReply *reply) char *hostname = NULL; if(query == NULL) + { /* Shouldn't happen */ - exit(4); + warn_opers(L_CRIT, "DNS: handle_lookup_hostname_reply: query == NULL!"); + exit(EX_DNS_ERROR); + } if(reply == NULL) goto end; @@ -192,8 +201,12 @@ handle_lookup_hostname_reply(void *data, struct DNSReply *reply) } #endif else + { /* Shouldn't happen */ - exit(5); + warn_opers(L_CRIT, "DNS: handle_lookup_hostname_reply: unknown query type %d", + query->type); + exit(EX_DNS_ERROR); + } end: if(query->callback) query->callback(hostname, hostname != NULL, query->type, query->data); @@ -207,7 +220,10 @@ submit_dns_answer(const char *reply, bool status, query_type type, void *data) char *id = data; if(!id || type == QUERY_INVALID) - exit(6); + { + warn_opers(L_CRIT, "DNS: submit_dns_answer gave us a bad query"); + exit(EX_DNS_ERROR); + } if(reply == NULL || status == false) { @@ -221,7 +237,7 @@ submit_dns_answer(const char *reply, bool status, query_type type, void *data) } void -resolve_dns(int parc, char *parv[]) +handle_resolve_dns(int parc, char *parv[]) { char *id = rb_strdup(parv[1]); char qtype = *parv[2]; @@ -246,44 +262,49 @@ resolve_dns(int parc, char *parv[]) submit_dns_answer(NULL, false, qtype, NULL); break; default: - exit(7); + warn_opers(L_CRIT, "DNS: handle_resolve_dns got an unknown query: %c", qtype); + exit(EX_DNS_ERROR); } } void -enumerate_nameservers(const char *rid, const char letter) +enumerate_nameservers(uint32_t rid, const char letter) { char buf[(HOSTIPLEN + 1) * IRCD_MAXNS]; - char *c = buf; - int i; + size_t s = 0; if (!irc_nscount) { /* Shouldn't happen */ - rb_helper_write(authd_helper, "X %s %c NONAMESERVERS", rid, letter); - return; + warn_opers(L_CRIT, "DNS: no name servers!"); + stats_error(rid, letter, "NONAMESERVERS"); + exit(EX_DNS_ERROR); } - for(i = 0; i < irc_nscount; i++) + for(int i = 0; i < irc_nscount; i++) { char addr[HOSTIPLEN]; + size_t addrlen; rb_inet_ntop_sock((struct sockaddr *)&irc_nsaddr_list[i], addr, sizeof(addr)); if (!addr[0]) { /* Shouldn't happen */ - rb_helper_write(authd_helper, "X %s %c INVALIDNAMESERVER", rid, letter); - return; + warn_opers(L_CRIT, "DNS: bad nameserver!"); + stats_error(rid, letter, "INVALIDNAMESERVER"); + exit(EX_DNS_ERROR); } - (void)snprintf(c, HOSTIPLEN + 1, "%s ", addr); - c += strlen(addr) + 1; + addrlen = strlen(addr) + 1; + (void)snprintf(&buf[s], sizeof(buf) - s, "%s ", addr); + s += addrlen; } - *(--c) = '\0'; + if(s > 0) + buf[--s] = '\0'; - rb_helper_write(authd_helper, "Y %s %c %s", rid, letter, buf); + stats_result(rid, letter, "%s", buf); } void