diff options
Diffstat (limited to 'lib/util/util_net.c')
| -rw-r--r-- | lib/util/util_net.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/util/util_net.c b/lib/util/util_net.c index 98eef3bd8b..57a0b1e40c 100644 --- a/lib/util/util_net.c +++ b/lib/util/util_net.c @@ -54,6 +54,15 @@ bool interpret_string_addr_internal(struct addrinfo **ppres, /* By default make sure it supports TCP. */ hints.ai_socktype = SOCK_STREAM; + + /* always try as a numeric host first. This prevents unnecessary name + * lookups, and also ensures we accept IPv6 addresses */ + hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST; + ret = getaddrinfo(str, NULL, &hints, ppres); + if (ret == 0) { + return true; + } + hints.ai_flags = flags; /* Linux man page on getaddrinfo() says port will be |