diff options
Diffstat (limited to 'tests/socket-helpers.c')
| -rw-r--r-- | tests/socket-helpers.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/tests/socket-helpers.c b/tests/socket-helpers.c index 8112763f5b..19a51e887e 100644 --- a/tests/socket-helpers.c +++ b/tests/socket-helpers.c @@ -30,7 +30,16 @@ # define EAI_ADDRFAMILY 0 #endif -int socket_can_bind_connect(const char *hostname) +/* + * @hostname: a DNS name or numeric IP address + * + * Check whether it is possible to bind & connect to ports + * on the DNS name or IP address @hostname. If an IP address + * is used, it must not be a wildcard address. + * + * Returns 0 on success, -1 on error with errno set + */ +static int socket_can_bind_connect(const char *hostname, int family) { int lfd = -1, cfd = -1, afd = -1; struct addrinfo ai, *res = NULL; @@ -44,7 +53,7 @@ int socket_can_bind_connect(const char *hostname) memset(&ai, 0, sizeof(ai)); ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG; - ai.ai_family = AF_UNSPEC; + ai.ai_family = family; ai.ai_socktype = SOCK_STREAM; /* lookup */ @@ -129,7 +138,7 @@ int socket_check_protocol_support(bool *has_ipv4, bool *has_ipv6) { *has_ipv4 = *has_ipv6 = false; - if (socket_can_bind_connect("127.0.0.1") < 0) { + if (socket_can_bind_connect("127.0.0.1", PF_INET) < 0) { if (errno != EADDRNOTAVAIL) { return -1; } @@ -137,7 +146,7 @@ int socket_check_protocol_support(bool *has_ipv4, bool *has_ipv6) *has_ipv4 = true; } - if (socket_can_bind_connect("::1") < 0) { + if (socket_can_bind_connect("::1", PF_INET6) < 0) { if (errno != EADDRNOTAVAIL) { return -1; } |