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openssh-portable
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- stevesk@cvs.openbsd.org 2002/07/19 17:42:40 

[ssh.c]
     display a warning from ssh when XAuthLocation does not exist or xauth
     returned no authentication data. ok markus@
This commit is contained in:
Ben Lindstrom 2002-07-23 21:03:02 +00:00
parent 264ee307a8
commit ee8d52d008
2 changed files with 17 additions and 4 deletions
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6
ChangeLog
View File

@ -5,6 +5,10 @@
[log.c log.h session.c sshd.c]
remove fatal cleanups after fork; based on discussions with and code
from solar.
- stevesk@cvs.openbsd.org 2002/07/19 17:42:40
[ssh.c]
display a warning from ssh when XAuthLocation does not exist or xauth
returned no authentication data. ok markus@
20020722
- (bal) AIX tty data limiting patch fix by leigh@solinno.co.uk
@ -1428,4 +1432,4 @@
- (stevesk) entropy.c: typo in debug message
- (djm) ssh-keygen -i needs seeded RNG; report from markus@
$Id: ChangeLog,v 1.2395 2002/07/23 21:01:56 mouring Exp $
$Id: ChangeLog,v 1.2396 2002/07/23 21:03:02 mouring Exp $

15
ssh.c
View File

@ -40,7 +40,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: ssh.c,v 1.181 2002/07/03 14:21:05 markus Exp $");
RCSID("$OpenBSD: ssh.c,v 1.182 2002/07/19 17:42:40 stevesk Exp $");
#include <openssl/evp.h>
#include <openssl/err.h>
@ -734,11 +734,19 @@ x11_get_proto(char **_proto, char **_data)
FILE *f;
int got_data = 0, i;
char *display;
struct stat st;
*_proto = proto;
*_data = data;
proto[0] = data[0] = '\0';
if (options.xauth_location && (display = getenv("DISPLAY"))) {
if (!options.xauth_location ||
(stat(options.xauth_location, &st) == -1)) {
debug("No xauth program.");
} else {
if ((display = getenv("DISPLAY")) == NULL) {
debug("x11_get_proto: DISPLAY not set");
return;
}
/* Try to get Xauthority information for the display. */
if (strncmp(display, "localhost:", 10) == 0)
/*
@ -753,7 +761,7 @@ x11_get_proto(char **_proto, char **_data)
else
snprintf(line, sizeof line, "%s list %.200s 2>"
_PATH_DEVNULL, options.xauth_location, display);
debug2("x11_get_proto %s", line);
debug2("x11_get_proto: %s", line);
f = popen(line, "r");
if (f && fgets(line, sizeof(line), f) &&
sscanf(line, "%*s %511s %511s", proto, data) == 2)
@ -772,6 +780,7 @@ x11_get_proto(char **_proto, char **_data)
if (!got_data) {
u_int32_t rand = 0;
log("Warning: No xauth data; using fake authentication data for X11 forwarding.");
strlcpy(proto, "MIT-MAGIC-COOKIE-1", sizeof proto);
for (i = 0; i < 16; i++) {
if (i % 4 == 0)