openssh/openssh-5.5p1-x11.patch

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diff -up openssh-5.3p1/channels.c.bz595935 openssh-5.3p1/channels.c
--- openssh-5.3p1/channels.c.bz595935 2010-08-12 14:19:28.000000000 +0200
+++ openssh-5.3p1/channels.c 2010-08-12 14:33:51.000000000 +0200
@@ -3185,7 +3185,7 @@ x11_create_display_inet(int x11_display_
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}
static int
-connect_local_xsocket_path(const char *pathname)
+connect_local_xsocket_path(const char *pathname, int len)
{
int sock;
struct sockaddr_un addr;
@@ -3195,11 +3195,14 @@ connect_local_xsocket_path(const char *p
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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 (connect(sock, (struct sockaddr *)&addr, sizeof(addr)) == 0)
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+ 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 - (sizeof addr.sun_path - len) ) == 0)
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return sock;
close(sock);
- error("connect %.100s: %.100s", addr.sun_path, strerror(errno));
return -1;
}
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@@ -3207,8 +3210,18 @@ static int
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connect_local_xsocket(u_int dnr)
{
char buf[1024];
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- snprintf(buf, sizeof buf, _PATH_UNIX_X, dnr);
- return connect_local_xsocket_path(buf);
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+ int len, ret;
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+ len = snprintf(buf + 1, sizeof (buf) - 1, _PATH_UNIX_X, dnr);
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+#ifdef linux
+ /* try abstract socket first */
+ buf[0] = '\0';
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+ if ((ret = connect_local_xsocket_path(buf, len + 1)) >= 0)
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+ return ret;
+#endif
+ if ((ret = connect_local_xsocket_path(buf + 1, len)) >= 0)
+ return ret;
+ error("connect %.100s: %.100s", buf + 1, strerror(errno));
+ return -1;
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}
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int