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- djm@cvs.openbsd.org 2006/07/06 10:47:05

Browse Source 
[servconf.c servconf.h session.c sshd_config.5]
     support arguments to Subsystem commands; ok markus@
This commit is contained in:
Damien Miller 2006-07-10 20:36:47 +10:00
parent 8ec8c3e98a
commit 917f9b6b6e
5 changed files with 28 additions and 11 deletions
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5
ChangeLog
View File

@ -35,6 +35,9 @@
[serverloop.c sshconnect.c uuencode.c]
move #include <netinet/in.h> out of includes.h; ok deraadt@
(also ssh-rand-helper.c logintest.c loginrec.c)
- djm@cvs.openbsd.org 2006/07/06 10:47:05
[servconf.c servconf.h session.c sshd_config.5]
support arguments to Subsystem commands; ok markus@
20060706
- (dtucker) [configure.ac] Try AIX blibpath test in different order when
@ -4768,4 +4771,4 @@
- (djm) Trim deprecated options from INSTALL. Mention UsePAM
- (djm) Fix quote handling in sftp; Patch from admorten AT umich.edu
$Id: ChangeLog,v 1.4368 2006/07/10 10:35:38 djm Exp $
$Id: ChangeLog,v 1.4369 2006/07/10 10:36:47 djm Exp $

14
servconf.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: servconf.c,v 1.150 2006/03/25 13:17:02 djm Exp $ */
/* $OpenBSD: servconf.c,v 1.151 2006/07/06 10:47:05 djm Exp $ */
/*
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
@ -446,6 +446,7 @@ process_server_config_line(ServerOptions *options, char *line,
ServerOpCodes opcode;
u_short port;
u_int i;
size_t len;
cp = line;
if ((arg = strdelim(&cp)) == NULL)
@ -901,6 +902,17 @@ parse_flag:
fatal("%s line %d: Missing subsystem command.",
filename, linenum);
options->subsystem_command[options->num_subsystems] = xstrdup(arg);
/* Collect arguments (separate to executable) */
p = xstrdup(arg);
len = strlen(p) + 1;
while ((arg = strdelim(&cp)) != NULL && *arg != '\0') {
len += 1 + strlen(arg);
p = xrealloc(p, 1, len);
strlcat(p, " ", len);
strlcat(p, arg, len);
}
options->subsystem_args[options->num_subsystems] = p;
options->num_subsystems++;
break;

3
servconf.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: servconf.h,v 1.73 2006/03/25 22:22:43 djm Exp $ */
/* $OpenBSD: servconf.h,v 1.74 2006/07/06 10:47:05 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -111,6 +111,7 @@ typedef struct {
u_int num_subsystems;
char *subsystem_name[MAX_SUBSYSTEMS];
char *subsystem_command[MAX_SUBSYSTEMS];
char *subsystem_args[MAX_SUBSYSTEMS];
u_int num_accept_env;
char *accept_env[MAX_ACCEPT_ENV];

11
session.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: session.c,v 1.204 2006/07/02 22:45:59 stevesk Exp $ */
/* $OpenBSD: session.c,v 1.205 2006/07/06 10:47:05 djm Exp $ */
/*
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
@ -1841,7 +1841,7 @@ session_subsystem_req(Session *s)
struct stat st;
u_int len;
int success = 0;
char *cmd, *subsys = packet_get_string(&len);
char *prog, *cmd, *subsys = packet_get_string(&len);
u_int i;
packet_check_eom();
@ -1849,9 +1849,10 @@ session_subsystem_req(Session *s)
for (i = 0; i < options.num_subsystems; i++) {
if (strcmp(subsys, options.subsystem_name[i]) == 0) {
cmd = options.subsystem_command[i];
if (stat(cmd, &st) < 0) {
error("subsystem: cannot stat %s: %s", cmd,
prog = options.subsystem_command[i];
cmd = options.subsystem_args[i];
if (stat(prog, &st) < 0) {
error("subsystem: cannot stat %s: %s", prog,
strerror(errno));
break;
}

6
sshd_config.5
View File

@ -34,7 +34,7 @@
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.\" $OpenBSD: sshd_config.5,v 1.58 2006/07/02 17:12:58 stevesk Exp $
.\" $OpenBSD: sshd_config.5,v 1.59 2006/07/06 10:47:05 djm Exp $
.Dd September 25, 1999
.Dt SSHD_CONFIG 5
.Os
@ -643,8 +643,8 @@ The default is
.Dq yes .
.It Cm Subsystem
Configures an external subsystem (e.g. file transfer daemon).
Arguments should be a subsystem name and a command to execute upon subsystem
request.
Arguments should be a subsystem name and a command (with optional arguments)
to execute upon subsystem request.
The command
.Xr sftp-server 8
implements the