X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fxcb_util.c;h=b337d27ab71125882ba4e89c553c5279c1c854a4;hb=89b3485dadef47a30264a5bf150b96522183376b;hp=c3cbfa6c1aafcb00c071e4ff83f74209bebe7f28;hpb=1cf2a87def76f4646fe05e282b45605d572f2513;p=free-sw%2Fxcb%2Flibxcb

diff --git a/src/xcb_util.c b/src/xcb_util.c
index c3cbfa6..b337d27 100644
--- a/src/xcb_util.c
+++ b/src/xcb_util.c
@@ -28,6 +28,7 @@
 #include <assert.h>
 #include <sys/types.h>
 #include <sys/socket.h>
+#include <sys/syslimits.h>
 #include <sys/un.h>
 #include <netinet/in.h>
 #include <netinet/tcp.h>
@@ -41,6 +42,7 @@
 #include <stdlib.h>
 #include <stddef.h>
 #include <unistd.h>
+#include <fcntl.h>
 #include <string.h>
 
 #include "xcb.h"
@@ -66,7 +68,14 @@ static int _xcb_parse_display(const char *name, char **host, char **protocol,
         name = getenv("DISPLAY");
     if(!name)
         return 0;
+
+#ifdef HAVE_LAUNCHD
+    if(strncmp(name, "/tmp/launch", 11) == 0)
+        slash = NULL;
+    else
+#endif
     slash = strrchr(name, '/');
+
     if (slash) {
         len = slash - name;
         if (protocol) {
@@ -134,12 +143,19 @@ static int _xcb_open(char *host, char *protocol, const int display)
 #ifdef HAVE_ABSTRACT_SOCKETS
     int fd;
 #endif
-    static const char base[] = "/tmp/.X11-unix/X";
-    char file[sizeof(base) + 20];
+    static const char unix_base[] = "/tmp/.X11-unix/X";
+    const char *base = unix_base;
+    char file[PATH_MAX + 1];
     int filelen;
 
     if(*host)
     {
+#ifdef HAVE_LAUNCHD
+        if(strncmp(host, "/tmp/launch", 11) == 0) {
+	    base = host;
+        } else {
+#endif
+
 #ifdef DNETCONN
         /* DECnet displays have two colons, so _xcb_parse_display will have
            left one at the end.  However, an IPv6 address can end with *two*
@@ -160,10 +176,18 @@ static int _xcb_open(char *host, char *protocol, const int display)
                 unsigned short port = X_TCP_PORT + display;
                 return _xcb_open_tcp(host, protocol, port);
             }
+#ifdef HAVE_LAUNCHD
+        }
+#endif
     }
 
     /* display specifies Unix socket */
-    filelen = snprintf(file, sizeof(file), "%s%d", base, display);
+#ifdef HAVE_LAUNCHD
+    if(base == host)
+        filelen = snprintf(file, sizeof(file), "%s:%d", base, display);
+    else
+#endif
+        filelen = snprintf(file, sizeof(file), "%s%d", base, display);
     if(filelen < 0)
         return -1;
     /* snprintf may truncate the file */
@@ -177,6 +201,22 @@ static int _xcb_open(char *host, char *protocol, const int display)
     return  _xcb_open_unix(protocol, file);
 }
 
+static int _xcb_socket(int family, int type, int proto)
+{
+    int fd;
+
+#ifdef SOCK_CLOEXEC
+    fd = socket(family, type | SOCK_CLOEXEC, proto);
+    if (fd == -1 && errno == EINVAL)
+#endif
+    {
+	fd = socket(family, type, proto);
+	if (fd >= 0)
+	    fcntl(fd, F_SETFD, FD_CLOEXEC);
+    }
+    return fd;
+}
+
 #ifdef DNETCONN
 static int _xcb_open_decnet(const char *host, const char *protocol, const unsigned short port)
 {
@@ -199,7 +239,7 @@ static int _xcb_open_decnet(const char *host, const char *protocol, const unsign
         return -1;
     addr.sdn_objnum = 0;
 
-    fd = socket(PF_DECnet, SOCK_STREAM, 0);
+    fd = _xcb_socket(PF_DECnet, SOCK_STREAM, 0);
     if(fd == -1)
         return -1;
 
@@ -256,7 +296,7 @@ static int _xcb_open_tcp(char *host, char *protocol, const unsigned short port)
 
     for(addr = results; addr; addr = addr->ai_next)
     {
-        fd = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
+        fd = _xcb_socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
         if(fd >= 0) {
             int on = 1;
             setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on));
@@ -285,7 +325,7 @@ static int _xcb_open_unix(char *protocol, const char *file)
 #ifdef HAVE_SOCKADDR_SUN_LEN
     addr.sun_len = SUN_LEN(&addr);
 #endif
-    fd = socket(AF_UNIX, SOCK_STREAM, 0);
+    fd = _xcb_socket(AF_UNIX, SOCK_STREAM, 0);
     if(fd == -1)
         return -1;
     if(connect(fd, (struct sockaddr *) &addr, sizeof(addr)) == -1) {
@@ -311,7 +351,7 @@ static int _xcb_open_abstract(char *protocol, const char *file, size_t filelen)
 #ifdef HAVE_SOCKADDR_SUN_LEN
     addr.sun_len = 1 + filelen;
 #endif
-    fd = socket(AF_UNIX, SOCK_STREAM, 0);
+    fd = _xcb_socket(AF_UNIX, SOCK_STREAM, 0);
     if (fd == -1)
         return -1;
     if (connect(fd, (struct sockaddr *) &addr, namelen) == -1) {
@@ -337,13 +377,6 @@ xcb_connection_t *xcb_connect_to_display_with_auth_info(const char *displayname,
 
     int parsed = _xcb_parse_display(displayname, &host, &protocol, &display, screenp);
     
-#ifdef HAVE_LAUNCHD
-    if(!displayname)
-        displayname = getenv("DISPLAY");
-    if(displayname && strlen(displayname)>11 && !strncmp(displayname, "/tmp/launch", 11))
-        fd = _xcb_open_unix(NULL, displayname);
-    else
-#endif
     if(!parsed)
         return (xcb_connection_t *) &error_connection;
     else