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Attempt skipping IPv6 if not supported

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This commit is contained in:
Erik Ekman 2021-08-09 12:14:42 +02:00
parent 3c7169fcf5
commit 559dafb030
1 changed files with 17 additions and 3 deletions
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20
src/iodined.c
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@ -2598,10 +2598,24 @@ main(int argc, char **argv)
listen_ip4 = NULL;
}
if (addrfamily == AF_UNSPEC || addrfamily == AF_INET6) {
dns6addr_len = get_addr(listen_ip6, port, AF_INET6, AI_PASSIVE, &dns6addr);
if (dns6addr_len < 0) {
warnx("Bad IPv6 address to listen on: '%s'", listen_ip6);
int addr6_res = get_addr(listen_ip6, port, AF_INET6, AI_PASSIVE, &dns6addr);
if (
#ifdef EAI_ADDRFAMILY
addr6_res == EAI_ADDRFAMILY ||
#endif
addr6_res == EAI_FAMILY) {
if (addrfamily == AF_INET6) {
fprintf(stderr, "IPv6 not supported");
exit(4);
} else {
warnx("IPv6 not supported, skipping");
addrfamily = AF_INET;
}
} else if (addr6_res < 0) {
warn("Failed to get IPv6 address to listen on: '%s'", listen_ip6);
usage();
} else {
dns6addr_len = addr6_res;
}
// Use dns6addr from here on.
listen_ip6 = NULL;