support solaris X/Open connect call too

solaris curiously defines connect to point to __xnet_connect when
_XOPEN_SOURCE is defined 600.
that means some programs use the real connect symbol, while others
use __xnet_connect.

thanks to @Low-power for testing.

https://github.com/nxmirrors/onnv/blob/master/usr/src/lib/libsocket/socket/socket.c
https://github.com/nxmirrors/onnv/blob/master/usr/src/uts/common/sys/socket.h#L486

1 files changed, 15 insertions, 0 deletions

diff --git a/src/libproxychains.c b/src/libproxychains.c
index c3d31e0..9a036d3 100644
--- a/src/libproxychains.c
+++ b/src/libproxychains.c
@@ -45,6 +45,12 @@
 #define     SOCKFAMILY(x)     (satosin(x)->sin_family)
 #define     MAX_CHAIN 512
 
+#ifdef IS_SOLARIS
+#undef connect
+int __xnet_connect(int sock, const struct sockaddr *addr, unsigned int len);
+connect_t true___xnet_connect;
+#endif
+
 close_t true_close;
 connect_t true_connect;
 gethostbyname_t true_gethostbyname;
@@ -108,6 +114,9 @@ static void setup_hooks(void) {
 	SETUP_SYM(gethostbyaddr);
 	SETUP_SYM(getnameinfo);
 	SETUP_SYM(close);
+#ifdef IS_SOLARIS
+	SETUP_SYM(__xnet_connect);
+#endif
 }
 
 static int close_fds[16];
@@ -399,6 +408,12 @@ int connect(int sock, const struct sockaddr *addr, unsigned int len) {
 	return ret;
 }
 
+#ifdef IS_SOLARIS
+int __xnet_connect(int sock, const struct sockaddr *addr, unsigned int len) {
+	return connect(sock, addr, len);
+}
+#endif
+
 static struct gethostbyname_data ghbndata;
 struct hostent *gethostbyname(const char *name) {
 	INIT();