xconnect is non-conforming to "xfunc like libc" rule. Fixing

6 files changed, 20 insertions, 12 deletions

diff --git a/include/libbb.h b/include/libbb.h
index 7b8327ff5..a2267f942 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -452,7 +452,9 @@ extern struct hostent *xgethostbyname(const char *name);
 extern struct hostent *xgethostbyname2(const char *name, int af);
 extern int create_icmp_socket(void);
 extern int create_icmp6_socket(void);
-extern int xconnect(struct sockaddr_in *s_addr);
+extern void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen);
+extern int xconnect_tcp_v4(struct sockaddr_in *s_addr);
+
 extern unsigned short bb_lookup_port(const char *port, const char *protocol, unsigned short default_port);
 extern void bb_lookup_host(struct sockaddr_in *s_in, const char *host);
 
diff --git a/libbb/xconnect.c b/libbb/xconnect.c
index f88136a1a..7cf9d00e9 100644
--- a/libbb/xconnect.c
+++ b/libbb/xconnect.c
@@ -49,14 +49,20 @@ void bb_lookup_host(struct sockaddr_in *s_in, const char *host)
         memcpy(&(s_in->sin_addr), he->h_addr_list[0], he->h_length);
 }
 
-int xconnect(struct sockaddr_in *s_addr)
+void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen)
 {
-        int s = xsocket(AF_INET, SOCK_STREAM, 0);
-        if (connect(s, (struct sockaddr *)s_addr, sizeof(struct sockaddr_in)) < 0)
-        {
+        if (connect(s, s_addr, addrlen) < 0) {
                 if (ENABLE_FEATURE_CLEAN_UP) close(s);
-                bb_perror_msg_and_die("unable to connect to remote host (%s)",
-                                inet_ntoa(s_addr->sin_addr));
+                if (s_addr->sa_family == AF_INET)
+                        bb_perror_msg_and_die("unable to connect to remote host (%s)",
+                                inet_ntoa(((struct sockaddr_in *)s_addr)->sin_addr));
+                bb_perror_msg_and_die("unable to connect to remote host");
         }
+}
+
+int xconnect_tcp_v4(struct sockaddr_in *s_addr)
+{
+        int s = xsocket(AF_INET, SOCK_STREAM, 0);
+        xconnect(s, (struct sockaddr*) s_addr, sizeof(*s_addr));
         return s;
 }
diff --git a/networking/ftpgetput.c b/networking/ftpgetput.c
index aafeaf6e9..6608e6830 100644
--- a/networking/ftpgetput.c
+++ b/networking/ftpgetput.c
@@ -67,7 +67,7 @@ static int xconnect_ftpdata(ftp_host_info_t *server, const char *buf)
         port_num += xatoul_range(buf_ptr + 1, 0, 255) * 256;
 
         server->s_in->sin_port = htons(port_num);
-        return xconnect(server->s_in);
+        return xconnect_tcp_v4(server->s_in);
 }
 
 static FILE *ftp_login(ftp_host_info_t *server)
@@ -76,7 +76,7 @@ static FILE *ftp_login(ftp_host_info_t *server)
         char buf[512];
 
         /* Connect to the command socket */
-        control_stream = fdopen(xconnect(server->s_in), "r+");
+        control_stream = fdopen(xconnect_tcp_v4(server->s_in), "r+");
         if (control_stream == NULL) {
                 bb_perror_msg_and_die("cannot open control stream");
         }
diff --git a/networking/telnet.c b/networking/telnet.c
index cd4c33a86..5b8c885e2 100644
--- a/networking/telnet.c
+++ b/networking/telnet.c
@@ -639,7 +639,7 @@ int telnet_main(int argc, char** argv)
         s_in.sin_port = bb_lookup_port((argc == 3) ? argv[2] : "telnet", "tcp", 23);
 #endif
 
-        G.netfd = xconnect(&s_in);
+        G.netfd = xconnect_tcp_v4(&s_in);
 
         setsockopt(G.netfd, SOL_SOCKET, SO_KEEPALIVE, &one, sizeof one);
 
diff --git a/networking/wget.c b/networking/wget.c
index 090b58d9a..425abc13f 100644
--- a/networking/wget.c
+++ b/networking/wget.c
@@ -585,7 +585,7 @@ static FILE *open_socket(struct sockaddr_in *s_in)
 {
         FILE *fp;
 
-        fp = fdopen(xconnect(s_in), "r+");
+        fp = fdopen(xconnect_tcp_v4(s_in), "r+");
         if (fp == NULL)
                 bb_perror_msg_and_die("fdopen");
 
diff --git a/util-linux/rdate.c b/util-linux/rdate.c
index 6ad055434..645b0b929 100644
--- a/util-linux/rdate.c
+++ b/util-linux/rdate.c
@@ -42,7 +42,7 @@ static time_t askremotedate(const char *host)
         alarm(10);
         signal(SIGALRM, socket_timeout);
 
-        fd = xconnect(&s_in);
+        fd = xconnect_tcp_v4(&s_in);
 
         if (safe_read(fd, (void *)&nett, 4) != 4)    /* read time from server */
                 bb_error_msg_and_die("%s did not send the complete time", host);