+/* $OpenBSD: auth-options.c,v 1.41 2008/03/26 21:28:14 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
*/
#include "includes.h"
-RCSID("$OpenBSD: auth-options.c,v 1.31 2005/03/10 22:40:38 deraadt Exp $");
+
+#include <sys/types.h>
+
+#include <netdb.h>
+#include <pwd.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
#include "xmalloc.h"
#include "match.h"
#include "log.h"
#include "canohost.h"
+#include "buffer.h"
#include "channels.h"
#include "auth-options.h"
#include "servconf.h"
#include "misc.h"
-#include "monitor_wrap.h"
+#include "key.h"
+#include "hostfile.h"
#include "auth.h"
+#ifdef GSSAPI
+#include "ssh-gss.h"
+#endif
+#include "monitor_wrap.h"
/* Flags set authorized_keys flags */
int no_port_forwarding_flag = 0;
int no_agent_forwarding_flag = 0;
int no_x11_forwarding_flag = 0;
int no_pty_flag = 0;
+int no_user_rc = 0;
/* "command=" option. */
char *forced_command = NULL;
/* "environment=" options. */
struct envstring *custom_environment = NULL;
+/* "tunnel=" option. */
+int forced_tun_device = -1;
+
extern ServerOptions options;
void
no_port_forwarding_flag = 0;
no_pty_flag = 0;
no_x11_forwarding_flag = 0;
+ no_user_rc = 0;
while (custom_environment) {
struct envstring *ce = custom_environment;
custom_environment = ce->next;
xfree(forced_command);
forced_command = NULL;
}
+ forced_tun_device = -1;
channel_clear_permitted_opens();
auth_debug_reset();
}
opts += strlen(cp);
goto next_option;
}
+ cp = "no-user-rc";
+ if (strncasecmp(opts, cp, strlen(cp)) == 0) {
+ auth_debug_add("User rc file execution disabled.");
+ no_user_rc = 1;
+ opts += strlen(cp);
+ goto next_option;
+ }
cp = "command=\"";
if (strncasecmp(opts, cp, strlen(cp)) == 0) {
opts += strlen(cp);
forced_command = NULL;
goto bad_option;
}
- forced_command[i] = 0;
+ forced_command[i] = '\0';
auth_debug_add("Forced command: %.900s", forced_command);
opts++;
goto next_option;
xfree(s);
goto bad_option;
}
- s[i] = 0;
+ s[i] = '\0';
auth_debug_add("Adding to environment: %.900s", s);
debug("Adding to environment: %.900s", s);
opts++;
xfree(patterns);
goto bad_option;
}
- patterns[i] = 0;
+ patterns[i] = '\0';
opts++;
if (match_host_and_ip(remote_host, remote_ip,
patterns) != 1) {
xfree(patterns);
goto bad_option;
}
- patterns[i] = 0;
+ patterns[i] = '\0';
opts++;
p = patterns;
host = hpdelim(&p);
xfree(patterns);
goto next_option;
}
+ cp = "tunnel=\"";
+ if (strncasecmp(opts, cp, strlen(cp)) == 0) {
+ char *tun = NULL;
+ opts += strlen(cp);
+ tun = xmalloc(strlen(opts) + 1);
+ i = 0;
+ while (*opts) {
+ if (*opts == '"')
+ break;
+ tun[i++] = *opts++;
+ }
+ if (!*opts) {
+ debug("%.100s, line %lu: missing end quote",
+ file, linenum);
+ auth_debug_add("%.100s, line %lu: missing end quote",
+ file, linenum);
+ xfree(tun);
+ forced_tun_device = -1;
+ goto bad_option;
+ }
+ tun[i] = '\0';
+ forced_tun_device = a2tun(tun, NULL);
+ xfree(tun);
+ if (forced_tun_device == SSH_TUNID_ERR) {
+ debug("%.100s, line %lu: invalid tun device",
+ file, linenum);
+ auth_debug_add("%.100s, line %lu: invalid tun device",
+ file, linenum);
+ forced_tun_device = -1;
+ goto bad_option;
+ }
+ auth_debug_add("Forced tun device: %d", forced_tun_device);
+ opts++;
+ goto next_option;
+ }
next_option:
/*
* Skip the comma, and move to the next option