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- improved the x11 patch (#598671)

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This commit is contained in:
Jan F. Chadima 2010-06-30 14:45:30 +00:00
parent a3dee6b29d
commit 2664a60307
1 changed files with 32 additions and 7 deletions
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39
openssh-5.5p1-x11.patch
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@ -1,21 +1,46 @@
diff -up openssh-5.5p1/channels.c.x11 openssh-5.5p1/channels.c
--- openssh-5.5p1/channels.c.x11 2010-06-25 13:35:44.000000000 +0200
+++ openssh-5.5p1/channels.c 2010-06-25 13:40:40.000000000 +0200
@@ -3354,7 +3354,17 @@ static int
--- openssh-5.5p1/channels.c.x11 2010-06-30 15:22:45.000000000 +0200
+++ openssh-5.5p1/channels.c 2010-06-30 15:27:42.000000000 +0200
@@ -3332,7 +3332,7 @@ x11_create_display_inet(int x11_display_
}
static int
-connect_local_xsocket_path(const char *pathname)
+connect_local_xsocket_path(const char *pathname, int len)
{
int sock;
struct sockaddr_un addr;
@@ -3342,7 +3342,11 @@ connect_local_xsocket_path(const char *p
error("socket: %.100s", strerror(errno));
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
- strlcpy(addr.sun_path, pathname, sizeof addr.sun_path);
+ if (len <= 0)
+ return -1;
+ if (len > sizeof addr.sun_path)
+ len = sizeof addr.sun_path;
+ memcpy(addr.sun_path, pathname , len);
if (connect(sock, (struct sockaddr *)&addr, sizeof(addr)) == 0)
return sock;
close(sock);
@@ -3354,8 +3358,18 @@ static int
connect_local_xsocket(u_int dnr)
{
char buf[1024];
- snprintf(buf, sizeof buf, _PATH_UNIX_X, dnr);
- return connect_local_xsocket_path(buf);
+ int len;
+#ifdef linux
+ int ret;
+#endif
snprintf(buf, sizeof buf, _PATH_UNIX_X, dnr);
+ len = snprintf(buf + 1, sizeof (buf) - 1, _PATH_UNIX_X, dnr);
+#ifdef linux
+ /* try abstract socket first */
+ buf[0] = '\0';
+ if ((ret = connect_local_xsocket_path(buf)) >= 0)
+ if ((ret = connect_local_xsocket_path(buf, len + 1)) >= 0)
+ return ret;
+ buf[0] = '/';
+#endif
return connect_local_xsocket_path(buf);
+ return connect_local_xsocket_path(buf + 1, len);
}
int