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Diffstat (limited to 'libbb/xconnect.c')
-rw-r--r--libbb/xconnect.c27
1 files changed, 23 insertions, 4 deletions
diff --git a/libbb/xconnect.c b/libbb/xconnect.c
index 188837e..61fe7fd 100644
--- a/libbb/xconnect.c
+++ b/libbb/xconnect.c
@@ -114,7 +114,10 @@ void set_nport(len_and_sockaddr *lsa, unsigned port)
/* host: "1.2.3.4[:port]", "www.google.com[:port]"
* port: if neither of above specifies port #
*/
-static len_and_sockaddr* str2sockaddr(const char *host, int port, int ai_flags)
+static len_and_sockaddr* str2sockaddr(
+ const char *host, int port,
+USE_FEATURE_IPV6(sa_family_t af,)
+ int ai_flags)
{
int rc;
len_and_sockaddr *r; // = NULL;
@@ -147,9 +150,10 @@ static len_and_sockaddr* str2sockaddr(const char *host, int port, int ai_flags)
}
memset(&hint, 0 , sizeof(hint));
- /* hint.ai_family = AF_UNSPEC; - zero anyway */
#if !ENABLE_FEATURE_IPV6
hint.ai_family = AF_INET; /* do not try to find IPv6 */
+#else
+ hint.ai_family = af;
#endif
/* Needed. Or else we will get each address thrice (or more)
* for each possible socket type (tcp,udp,raw...): */
@@ -165,15 +169,25 @@ static len_and_sockaddr* str2sockaddr(const char *host, int port, int ai_flags)
freeaddrinfo(result);
return r;
}
+#if !ENABLE_FEATURE_IPV6
+#define str2sockaddr(host, port, af, ai_flags) str2sockaddr(host, port, ai_flags)
+#endif
+
+#if ENABLE_FEATURE_IPV6
+len_and_sockaddr* host_and_af2sockaddr(const char *host, int port, sa_family_t af)
+{
+ return str2sockaddr(host, port, af, 0);
+}
+#endif
len_and_sockaddr* host2sockaddr(const char *host, int port)
{
- return str2sockaddr(host, port, 0);
+ return str2sockaddr(host, port, AF_UNSPEC, 0);
}
static len_and_sockaddr* dotted2sockaddr(const char *host, int port)
{
- return str2sockaddr(host, port, NI_NUMERICHOST);
+ return str2sockaddr(host, port, AF_UNSPEC, NI_NUMERICHOST);
}
int xsocket_stream(len_and_sockaddr **lsap)
@@ -282,6 +296,11 @@ char* xmalloc_sockaddr2host(const struct sockaddr *sa, socklen_t salen)
return sockaddr2str(sa, salen, 0);
}
+char* xmalloc_sockaddr2host_noport(const struct sockaddr *sa, socklen_t salen)
+{
+ return sockaddr2str(sa, salen, IGNORE_PORT);
+}
+
char* xmalloc_sockaddr2hostonly_noport(const struct sockaddr *sa, socklen_t salen)
{
return sockaddr2str(sa, salen, NI_NAMEREQD | IGNORE_PORT);