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Allow listen adresses to be non-numeric (using domains)

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This commit is contained in:
Erik Ekman 2021-06-04 18:39:28 +02:00
parent 8041e0368c
commit a6d82b1a44
2 changed files with 5 additions and 3 deletions
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4
man/iodine.8
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@ -271,10 +271,12 @@ automatically fragmented when needed.
.B -l listen_ip4 .B -l listen_ip4
Make the server listen only on 'listen_ip4' for incoming IPv4 requests. Make the server listen only on 'listen_ip4' for incoming IPv4 requests.
By default, incoming requests are accepted from all interfaces (0.0.0.0). By default, incoming requests are accepted from all interfaces (0.0.0.0).
A domain name can be used as argument - use one with only one A record.
.TP .TP
.B -L listen_ip6 .B -L listen_ip6
Make the server listen only on 'listen_ip6' for incoming IPv6 requests. Make the server listen only on 'listen_ip6' for incoming IPv6 requests.
By default, incoming requests are accepted from all interfaces (::) By default, incoming requests are accepted from all interfaces (::).
A domain name can be used as argument - use one with only one AAAA record.
.TP .TP
.B -p port .B -p port
Make the server listen on 'port' instead of 53 for traffic. Make the server listen on 'port' instead of 53 for traffic.

4
src/iodined.c
View File

@ -2578,14 +2578,14 @@ main(int argc, char **argv)
foreground = 1; foreground = 1;
} }
if (addrfamily == AF_UNSPEC || addrfamily == AF_INET) { if (addrfamily == AF_UNSPEC || addrfamily == AF_INET) {
dns4addr_len = get_addr(listen_ip4, port, AF_INET, AI_PASSIVE | AI_NUMERICHOST, &dns4addr); dns4addr_len = get_addr(listen_ip4, port, AF_INET, AI_PASSIVE, &dns4addr);
if (dns4addr_len < 0) { if (dns4addr_len < 0) {
warnx("Bad IPv4 address to listen on."); warnx("Bad IPv4 address to listen on.");
usage(); usage();
} }
} }
if (addrfamily == AF_UNSPEC || addrfamily == AF_INET6) { if (addrfamily == AF_UNSPEC || addrfamily == AF_INET6) {
dns6addr_len = get_addr(listen_ip6, port, AF_INET6, AI_PASSIVE | AI_NUMERICHOST, &dns6addr); dns6addr_len = get_addr(listen_ip6, port, AF_INET6, AI_PASSIVE, &dns6addr);
if (dns6addr_len < 0) { if (dns6addr_len < 0) {
warnx("Bad IPv6 address to listen on."); warnx("Bad IPv6 address to listen on.");
usage(); usage();