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openssh-portable
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- markus@cvs.openbsd.org 2001/10/09 19:32:49 

[session.c]
     stat subsystem command before calling do_exec, and return error to client.
This commit is contained in:
Damien Miller 2001-10-10 15:08:06 +10:00
parent 139d4cd908
commit ae45246696
2 changed files with 18 additions and 7 deletions
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5
ChangeLog
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@ -37,6 +37,9 @@
- markus@cvs.openbsd.org 2001/10/09 10:12:08 - markus@cvs.openbsd.org 2001/10/09 10:12:08
[session.c] [session.c]
chdir $HOME after krb_afslog(); from bbense@networking.stanford.edu chdir $HOME after krb_afslog(); from bbense@networking.stanford.edu
- markus@cvs.openbsd.org 2001/10/09 19:32:49
[session.c]
stat subsystem command before calling do_exec, and return error to client.
20011007 20011007
- (bal) ssh-copy-id corrected permissions for .ssh/ and authorized_keys. - (bal) ssh-copy-id corrected permissions for .ssh/ and authorized_keys.
@ -6682,4 +6685,4 @@
- Wrote replacements for strlcpy and mkdtemp - Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1 - Released 1.0pre1
$Id: ChangeLog,v 1.1595 2001/10/10 05:07:44 djm Exp $ $Id: ChangeLog,v 1.1596 2001/10/10 05:08:06 djm Exp $

18
session.c
View File

@ -33,7 +33,7 @@
*/ */
#include "includes.h" #include "includes.h"
RCSID("$OpenBSD: session.c,v 1.104 2001/10/09 10:12:08 markus Exp $"); RCSID("$OpenBSD: session.c,v 1.105 2001/10/09 19:32:49 markus Exp $");
#include "ssh.h" #include "ssh.h"
#include "ssh1.h" #include "ssh1.h"
@ -1672,9 +1672,10 @@ session_pty_req(Session *s)
static int static int
session_subsystem_req(Session *s) session_subsystem_req(Session *s)
{ {
struct stat st;
u_int len; u_int len;
int success = 0; int success = 0;
char *subsys = packet_get_string(&len); char *cmd, *subsys = packet_get_string(&len);
int i; int i;
packet_done(); packet_done();
@ -1682,15 +1683,22 @@ session_subsystem_req(Session *s)
for (i = 0; i < options.num_subsystems; i++) { for (i = 0; i < options.num_subsystems; i++) {
if (strcmp(subsys, options.subsystem_name[i]) == 0) { if (strcmp(subsys, options.subsystem_name[i]) == 0) {
debug("subsystem: exec() %s", options.subsystem_command[i]); cmd = options.subsystem_command[i];
if (stat(cmd, &st) < 0) {
error("subsystem: cannot stat %s: %s", cmd,
strerror(errno));
break;
}
debug("subsystem: exec() %s", cmd);
s->is_subsystem = 1; s->is_subsystem = 1;
do_exec(s, options.subsystem_command[i]); do_exec(s, cmd);
success = 1; success = 1;
} }
} }
if (!success) if (!success)
log("subsystem request for %s failed, subsystem not found", subsys); log("subsystem request for %s failed, subsystem not found",
subsys);
xfree(subsys); xfree(subsys);
return success; return success;