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- Fix for #878: Invalid IP address in unbound.conf causes Segmentation

Browse source 
Fault on OpenBSD.
This commit is contained in:
W.C.A. Wijngaards 2023-04-19 09:56:31 +02:00
parent e11d206a82
commit fe46bc47d7
2 changed files with 21 additions and 9 deletions
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4
doc/Changelog
View file

@ -1,3 +1,7 @@
19 April 2023: Wouter
- Fix for #878: Invalid IP address in unbound.conf causes Segmentation
Fault on OpenBSD.
14 April 2023: Wouter
- Merge #875: change obsolete txt URL in unbound-anchor.c to point
to RFC 7958, and Fix #874.

10
services/listen_dnsport.c
View file

@ -1018,7 +1018,7 @@ make_sock(int stype, const char* ifname, const char* port,
log_err("node %s:%s getaddrinfo: %s %s",
ifname?ifname:"default", port, gai_strerror(r),
#ifdef EAI_SYSTEM
r==EAI_SYSTEM?(char*)strerror(errno):""
(r==EAI_SYSTEM?(char*)strerror(errno):"")
#else
""
#endif
@ -1252,6 +1252,7 @@ ports_create_if(const char* ifname, int do_auto, int do_udp, int do_tcp,
if((s = make_sock_port(SOCK_DGRAM, ifname, port, hints, 1,
&noip6, rcv, snd, reuseport, transparent,
tcp_mss, nodelay, freebind, use_systemd, dscp, ub_sock)) == -1) {
if(ub_sock->addr)
freeaddrinfo(ub_sock->addr);
free(ub_sock);
if(noip6) {
@ -1263,6 +1264,7 @@ ports_create_if(const char* ifname, int do_auto, int do_udp, int do_tcp,
/* getting source addr packet info is highly non-portable */
if(!set_recvpktinfo(s, hints->ai_family)) {
sock_close(s);
if(ub_sock->addr)
freeaddrinfo(ub_sock->addr);
free(ub_sock);
return 0;
@ -1271,6 +1273,7 @@ ports_create_if(const char* ifname, int do_auto, int do_udp, int do_tcp,
?listen_type_udpancil_dnscrypt:listen_type_udpancil,
is_pp2, ub_sock)) {
sock_close(s);
if(ub_sock->addr)
freeaddrinfo(ub_sock->addr);
free(ub_sock);
return 0;
@ -1283,6 +1286,7 @@ ports_create_if(const char* ifname, int do_auto, int do_udp, int do_tcp,
if((s = make_sock_port(SOCK_DGRAM, ifname, port, hints, 1,
&noip6, rcv, snd, reuseport, transparent,
tcp_mss, nodelay, freebind, use_systemd, dscp, ub_sock)) == -1) {
if(ub_sock->addr)
freeaddrinfo(ub_sock->addr);
free(ub_sock);
if(noip6) {
@ -1295,6 +1299,7 @@ ports_create_if(const char* ifname, int do_auto, int do_udp, int do_tcp,
?listen_type_udp_dnscrypt:listen_type_udp,
is_pp2, ub_sock)) {
sock_close(s);
if(ub_sock->addr)
freeaddrinfo(ub_sock->addr);
free(ub_sock);
return 0;
@ -1318,6 +1323,7 @@ ports_create_if(const char* ifname, int do_auto, int do_udp, int do_tcp,
if((s = make_sock_port(SOCK_STREAM, ifname, port, hints, 1,
&noip6, 0, 0, reuseport, transparent, tcp_mss, nodelay,
freebind, use_systemd, dscp, ub_sock)) == -1) {
if(ub_sock->addr)
freeaddrinfo(ub_sock->addr);
free(ub_sock);
if(noip6) {
@ -1330,6 +1336,7 @@ ports_create_if(const char* ifname, int do_auto, int do_udp, int do_tcp,
verbose(VERB_ALGO, "setup TCP for SSL service");
if(!port_insert(list, s, port_type, is_pp2, ub_sock)) {
sock_close(s);
if(ub_sock->addr)
freeaddrinfo(ub_sock->addr);
free(ub_sock);
return 0;
@ -1908,6 +1915,7 @@ void listening_ports_free(struct listen_port* list)
}
/* rc_ports don't have ub_socket */
if(list->socket) {
if(list->socket->addr)
freeaddrinfo(list->socket->addr);
free(list->socket);
}