[openssh.git] / auth-options.c

/* $OpenBSD: auth-options.c,v 1.40 2006/08/03 03:34:41 deraadt Exp $ */
/*
 * Author: Tatu Ylonen <ylo@cs.hut.fi>
 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
 *                    All rights reserved
 * As far as I am concerned, the code I have written for this software
 * can be used freely for any purpose.  Any derived versions of this
 * software must be clearly marked as such, and if the derived work is
 * incompatible with the protocol description in the RFC file, it must be
 * called by a name other than "ssh" or "Secure Shell".
 */

#include "includes.h"

#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 "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;

/* "command=" option. */
char *forced_command = NULL;

/* "environment=" options. */
struct envstring *custom_environment = NULL;

/* "tunnel=" option. */
int forced_tun_device = -1;

extern ServerOptions options;

void
auth_clear_options(void)
{
	no_agent_forwarding_flag = 0;
	no_port_forwarding_flag = 0;
	no_pty_flag = 0;
	no_x11_forwarding_flag = 0;
	while (custom_environment) {
		struct envstring *ce = custom_environment;
		custom_environment = ce->next;
		xfree(ce->s);
		xfree(ce);
	}
	if (forced_command) {
		xfree(forced_command);
		forced_command = NULL;
	}
	forced_tun_device = -1;
	channel_clear_permitted_opens();
	auth_debug_reset();
}

/*
 * return 1 if access is granted, 0 if not.
 * side effect: sets key option flags
 */
int
auth_parse_options(struct passwd *pw, char *opts, char *file, u_long linenum)
{
	const char *cp;
	int i;

	/* reset options */
	auth_clear_options();

	if (!opts)
		return 1;

	while (*opts && *opts != ' ' && *opts != '\t') {
		cp = "no-port-forwarding";
		if (strncasecmp(opts, cp, strlen(cp)) == 0) {
			auth_debug_add("Port forwarding disabled.");
			no_port_forwarding_flag = 1;
			opts += strlen(cp);
			goto next_option;
		}
		cp = "no-agent-forwarding";
		if (strncasecmp(opts, cp, strlen(cp)) == 0) {
			auth_debug_add("Agent forwarding disabled.");
			no_agent_forwarding_flag = 1;
			opts += strlen(cp);
			goto next_option;
		}
		cp = "no-X11-forwarding";
		if (strncasecmp(opts, cp, strlen(cp)) == 0) {
			auth_debug_add("X11 forwarding disabled.");
			no_x11_forwarding_flag = 1;
			opts += strlen(cp);
			goto next_option;
		}
		cp = "no-pty";
		if (strncasecmp(opts, cp, strlen(cp)) == 0) {
			auth_debug_add("Pty allocation disabled.");
			no_pty_flag = 1;
			opts += strlen(cp);
			goto next_option;
		}
		cp = "command=\"";
		if (strncasecmp(opts, cp, strlen(cp)) == 0) {
			opts += strlen(cp);
			forced_command = xmalloc(strlen(opts) + 1);
			i = 0;
			while (*opts) {
				if (*opts == '"')
					break;
				if (*opts == '\\' && opts[1] == '"') {
					opts += 2;
					forced_command[i++] = '"';
					continue;
				}
				forced_command[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(forced_command);
				forced_command = NULL;
				goto bad_option;
			}
			forced_command[i] = '\0';
			auth_debug_add("Forced command: %.900s", forced_command);
			opts++;
			goto next_option;
		}
		cp = "environment=\"";
		if (options.permit_user_env &&
		    strncasecmp(opts, cp, strlen(cp)) == 0) {
			char *s;
			struct envstring *new_envstring;

			opts += strlen(cp);
			s = xmalloc(strlen(opts) + 1);
			i = 0;
			while (*opts) {
				if (*opts == '"')
					break;
				if (*opts == '\\' && opts[1] == '"') {
					opts += 2;
					s[i++] = '"';
					continue;
				}
				s[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(s);
				goto bad_option;
			}
			s[i] = '\0';
			auth_debug_add("Adding to environment: %.900s", s);
			debug("Adding to environment: %.900s", s);
			opts++;
			new_envstring = xmalloc(sizeof(struct envstring));
			new_envstring->s = s;
			new_envstring->next = custom_environment;
			custom_environment = new_envstring;
			goto next_option;
		}
		cp = "from=\"";
		if (strncasecmp(opts, cp, strlen(cp)) == 0) {
			const char *remote_ip = get_remote_ipaddr();
			const char *remote_host = get_canonical_hostname(
			    options.use_dns);
			char *patterns = xmalloc(strlen(opts) + 1);

			opts += strlen(cp);
			i = 0;
			while (*opts) {
				if (*opts == '"')
					break;
				if (*opts == '\\' && opts[1] == '"') {
					opts += 2;
					patterns[i++] = '"';
					continue;
				}
				patterns[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(patterns);
				goto bad_option;
			}
			patterns[i] = '\0';
			opts++;
			if (match_host_and_ip(remote_host, remote_ip,
			    patterns) != 1) {
				xfree(patterns);
				logit("Authentication tried for %.100s with "
				    "correct key but not from a permitted "
				    "host (host=%.200s, ip=%.200s).",
				    pw->pw_name, remote_host, remote_ip);
				auth_debug_add("Your host '%.200s' is not "
				    "permitted to use this key for login.",
				    remote_host);
				/* deny access */
				return 0;
			}
			xfree(patterns);
			/* Host name matches. */
			goto next_option;
		}
		cp = "permitopen=\"";
		if (strncasecmp(opts, cp, strlen(cp)) == 0) {
			char *host, *p;
			u_short port;
			char *patterns = xmalloc(strlen(opts) + 1);

			opts += strlen(cp);
			i = 0;
			while (*opts) {
				if (*opts == '"')
					break;
				if (*opts == '\\' && opts[1] == '"') {
					opts += 2;
					patterns[i++] = '"';
					continue;
				}
				patterns[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(patterns);
				goto bad_option;
			}
			patterns[i] = '\0';
			opts++;
			p = patterns;
			host = hpdelim(&p);
			if (host == NULL || strlen(host) >= NI_MAXHOST) {
				debug("%.100s, line %lu: Bad permitopen "
				    "specification <%.100s>", file, linenum,
				    patterns);
				auth_debug_add("%.100s, line %lu: "
				    "Bad permitopen specification", file,
				    linenum);
				xfree(patterns);
				goto bad_option;
			}
			host = cleanhostname(host);
			if (p == NULL || (port = a2port(p)) == 0) {
				debug("%.100s, line %lu: Bad permitopen port "
				    "<%.100s>", file, linenum, p ? p : "");
				auth_debug_add("%.100s, line %lu: "
				    "Bad permitopen port", file, linenum);
				xfree(patterns);
				goto bad_option;
			}
			if (options.allow_tcp_forwarding)
				channel_add_permitted_opens(host, port);
			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
		 * (or break out if there are no more).
		 */
		if (!*opts)
			fatal("Bugs in auth-options.c option processing.");
		if (*opts == ' ' || *opts == '\t')
			break;		/* End of options. */
		if (*opts != ',')
			goto bad_option;
		opts++;
		/* Process the next option. */
	}

	if (!use_privsep)
		auth_debug_send();

	/* grant access */
	return 1;

bad_option:
	logit("Bad options in %.100s file, line %lu: %.50s",
	    file, linenum, opts);
	auth_debug_add("Bad options in %.100s file, line %lu: %.50s",
	    file, linenum, opts);

	if (!use_privsep)
		auth_debug_send();

	/* deny access */
	return 0;
}
Commit	Line	Data
31652869	1	/* $OpenBSD: auth-options.c,v 1.40 2006/08/03 03:34:41 deraadt Exp $ */
bcbf86ec	2	/*
	3	* Author: Tatu Ylonen <ylo@cs.hut.fi>
	4	* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
	5	* All rights reserved
bcbf86ec	6	* As far as I am concerned, the code I have written for this software
	7	* can be used freely for any purpose. Any derived versions of this
	8	* software must be clearly marked as such, and if the derived work is
	9	* incompatible with the protocol description in the RFC file, it must be
	10	* called by a name other than "ssh" or "Secure Shell".
	11	*/
	12
38c295d6	13	#include "includes.h"
38c295d6	14
b1842393	15	#include <sys/types.h>
b1842393	16
28cb0a43	17	#include <netdb.h>
b1842393	18	#include <pwd.h>
00146caa	19	#include <string.h>
31652869	20	#include <stdio.h>
31652869	21	#include <stdarg.h>
b1842393	22
38c295d6	23	#include "xmalloc.h"
38c295d6	24	#include "match.h"
42f11eb2	25	#include "log.h"
42f11eb2	26	#include "canohost.h"
31652869	27	#include "buffer.h"
a5efa1bb	28	#include "channels.h"
42f11eb2	29	#include "auth-options.h"
61e96248	30	#include "servconf.h"
ed787d14	31	#include "misc.h"
31652869	32	#include "key.h"
31652869	33	#include "hostfile.h"
01dafcb5	34	#include "auth.h"
31652869	35	#ifdef GSSAPI
	36	#include "ssh-gss.h"
	37	#endif
	38	#include "monitor_wrap.h"
38c295d6	39
	40	/* Flags set authorized_keys flags */
	41	int no_port_forwarding_flag = 0;
	42	int no_agent_forwarding_flag = 0;
	43	int no_x11_forwarding_flag = 0;
	44	int no_pty_flag = 0;
	45
	46	/* "command=" option. */
	47	char *forced_command = NULL;
	48
	49	/* "environment=" options. */
	50	struct envstring *custom_environment = NULL;
	51
d20f3c9e	52	/* "tunnel=" option. */
	53	int forced_tun_device = -1;
	54
61e96248	55	extern ServerOptions options;
61e96248	56
94ec8c6b	57	void
	58	auth_clear_options(void)
	59	{
	60	no_agent_forwarding_flag = 0;
	61	no_port_forwarding_flag = 0;
	62	no_pty_flag = 0;
	63	no_x11_forwarding_flag = 0;
	64	while (custom_environment) {
	65	struct envstring *ce = custom_environment;
	66	custom_environment = ce->next;
	67	xfree(ce->s);
	68	xfree(ce);
	69	}
	70	if (forced_command) {
	71	xfree(forced_command);
	72	forced_command = NULL;
	73	}
d20f3c9e	74	forced_tun_device = -1;
01794848	75	channel_clear_permitted_opens();
01dafcb5	76	auth_debug_reset();
94ec8c6b	77	}
94ec8c6b	78
42f11eb2	79	/*
	80	* return 1 if access is granted, 0 if not.
	81	* side effect: sets key option flags
	82	*/
38c295d6	83	int
61e96248	84	auth_parse_options(struct passwd pw, char opts, char *file, u_long linenum)
38c295d6	85	{
38c295d6	86	const char *cp;
01794848	87	int i;
94ec8c6b	88
	89	/* reset options */
	90	auth_clear_options();
	91
e0b2cf6b	92	if (!opts)
	93	return 1;
	94
61e96248	95	while (opts && opts != ' ' && *opts != '\t') {
38c295d6	96	cp = "no-port-forwarding";
61e96248	97	if (strncasecmp(opts, cp, strlen(cp)) == 0) {
01dafcb5	98	auth_debug_add("Port forwarding disabled.");
38c295d6	99	no_port_forwarding_flag = 1;
61e96248	100	opts += strlen(cp);
38c295d6	101	goto next_option;
	102	}
	103	cp = "no-agent-forwarding";
61e96248	104	if (strncasecmp(opts, cp, strlen(cp)) == 0) {
01dafcb5	105	auth_debug_add("Agent forwarding disabled.");
38c295d6	106	no_agent_forwarding_flag = 1;
61e96248	107	opts += strlen(cp);
38c295d6	108	goto next_option;
	109	}
	110	cp = "no-X11-forwarding";
61e96248	111	if (strncasecmp(opts, cp, strlen(cp)) == 0) {
01dafcb5	112	auth_debug_add("X11 forwarding disabled.");
38c295d6	113	no_x11_forwarding_flag = 1;
61e96248	114	opts += strlen(cp);
38c295d6	115	goto next_option;
	116	}
	117	cp = "no-pty";
61e96248	118	if (strncasecmp(opts, cp, strlen(cp)) == 0) {
01dafcb5	119	auth_debug_add("Pty allocation disabled.");
38c295d6	120	no_pty_flag = 1;
61e96248	121	opts += strlen(cp);
38c295d6	122	goto next_option;
	123	}
	124	cp = "command=\"";
61e96248	125	if (strncasecmp(opts, cp, strlen(cp)) == 0) {
61e96248	126	opts += strlen(cp);
61e96248	127	forced_command = xmalloc(strlen(opts) + 1);
38c295d6	128	i = 0;
61e96248	129	while (*opts) {
61e96248	130	if (*opts == '"')
38c295d6	131	break;
61e96248	132	if (*opts == '\\' && opts[1] == '"') {
61e96248	133	opts += 2;
38c295d6	134	forced_command[i++] = '"';
	135	continue;
	136	}
61e96248	137	forced_command[i++] = *opts++;
38c295d6	138	}
61e96248	139	if (!*opts) {
38c295d6	140	debug("%.100s, line %lu: missing end quote",
42f11eb2	141	file, linenum);
01dafcb5	142	auth_debug_add("%.100s, line %lu: missing end quote",
42f11eb2	143	file, linenum);
acc9d6d7	144	xfree(forced_command);
	145	forced_command = NULL;
	146	goto bad_option;
38c295d6	147	}
774de098	148	forced_command[i] = '\0';
01dafcb5	149	auth_debug_add("Forced command: %.900s", forced_command);
61e96248	150	opts++;
38c295d6	151	goto next_option;
	152	}
	153	cp = "environment=\"";
f00bab84	154	if (options.permit_user_env &&
f00bab84	155	strncasecmp(opts, cp, strlen(cp)) == 0) {
38c295d6	156	char *s;
38c295d6	157	struct envstring *new_envstring;
01794848	158
61e96248	159	opts += strlen(cp);
61e96248	160	s = xmalloc(strlen(opts) + 1);
38c295d6	161	i = 0;
61e96248	162	while (*opts) {
61e96248	163	if (*opts == '"')
38c295d6	164	break;
61e96248	165	if (*opts == '\\' && opts[1] == '"') {
61e96248	166	opts += 2;
38c295d6	167	s[i++] = '"';
	168	continue;
	169	}
61e96248	170	s[i++] = *opts++;
38c295d6	171	}
61e96248	172	if (!*opts) {
38c295d6	173	debug("%.100s, line %lu: missing end quote",
42f11eb2	174	file, linenum);
01dafcb5	175	auth_debug_add("%.100s, line %lu: missing end quote",
42f11eb2	176	file, linenum);
acc9d6d7	177	xfree(s);
acc9d6d7	178	goto bad_option;
38c295d6	179	}
774de098	180	s[i] = '\0';
01dafcb5	181	auth_debug_add("Adding to environment: %.900s", s);
38c295d6	182	debug("Adding to environment: %.900s", s);
61e96248	183	opts++;
38c295d6	184	new_envstring = xmalloc(sizeof(struct envstring));
	185	new_envstring->s = s;
	186	new_envstring->next = custom_environment;
	187	custom_environment = new_envstring;
	188	goto next_option;
	189	}
	190	cp = "from=\"";
61e96248	191	if (strncasecmp(opts, cp, strlen(cp)) == 0) {
61e96248	192	const char *remote_ip = get_remote_ipaddr();
61e96248	193	const char *remote_host = get_canonical_hostname(
c5a7d788	194	options.use_dns);
61e96248	195	char *patterns = xmalloc(strlen(opts) + 1);
01794848	196
61e96248	197	opts += strlen(cp);
38c295d6	198	i = 0;
61e96248	199	while (*opts) {
61e96248	200	if (*opts == '"')
38c295d6	201	break;
61e96248	202	if (*opts == '\\' && opts[1] == '"') {
61e96248	203	opts += 2;
38c295d6	204	patterns[i++] = '"';
	205	continue;
	206	}
61e96248	207	patterns[i++] = *opts++;
38c295d6	208	}
61e96248	209	if (!*opts) {
38c295d6	210	debug("%.100s, line %lu: missing end quote",
42f11eb2	211	file, linenum);
01dafcb5	212	auth_debug_add("%.100s, line %lu: missing end quote",
42f11eb2	213	file, linenum);
acc9d6d7	214	xfree(patterns);
acc9d6d7	215	goto bad_option;
38c295d6	216	}
774de098	217	patterns[i] = '\0';
61e96248	218	opts++;
2cee8a25	219	if (match_host_and_ip(remote_host, remote_ip,
	220	patterns) != 1) {
	221	xfree(patterns);
bbe88b6d	222	logit("Authentication tried for %.100s with "
61e96248	223	"correct key but not from a permitted "
	224	"host (host=%.200s, ip=%.200s).",
	225	pw->pw_name, remote_host, remote_ip);
01dafcb5	226	auth_debug_add("Your host '%.200s' is not "
61e96248	227	"permitted to use this key for login.",
61e96248	228	remote_host);
38c295d6	229	/* deny access */
	230	return 0;
	231	}
2cee8a25	232	xfree(patterns);
38c295d6	233	/* Host name matches. */
	234	goto next_option;
	235	}
01794848	236	cp = "permitopen=\"";
01794848	237	if (strncasecmp(opts, cp, strlen(cp)) == 0) {
3867aa0a	238	char host, p;
01794848	239	u_short port;
01794848	240	char *patterns = xmalloc(strlen(opts) + 1);
	241
	242	opts += strlen(cp);
	243	i = 0;
	244	while (*opts) {
	245	if (*opts == '"')
	246	break;
	247	if (*opts == '\\' && opts[1] == '"') {
	248	opts += 2;
	249	patterns[i++] = '"';
	250	continue;
	251	}
	252	patterns[i++] = *opts++;
	253	}
	254	if (!*opts) {
	255	debug("%.100s, line %lu: missing end quote",
	256	file, linenum);
3867aa0a	257	auth_debug_add("%.100s, line %lu: missing "
3867aa0a	258	"end quote", file, linenum);
01794848	259	xfree(patterns);
	260	goto bad_option;
	261	}
774de098	262	patterns[i] = '\0';
01794848	263	opts++;
3867aa0a	264	p = patterns;
	265	host = hpdelim(&p);
	266	if (host == NULL \|\| strlen(host) >= NI_MAXHOST) {
	267	debug("%.100s, line %lu: Bad permitopen "
16d3d2bc	268	"specification <%.100s>", file, linenum,
3867aa0a	269	patterns);
01dafcb5	270	auth_debug_add("%.100s, line %lu: "
3867aa0a	271	"Bad permitopen specification", file,
3867aa0a	272	linenum);
01794848	273	xfree(patterns);
	274	goto bad_option;
	275	}
f8cc7664	276	host = cleanhostname(host);
f8cc7664	277	if (p == NULL \|\| (port = a2port(p)) == 0) {
3867aa0a	278	debug("%.100s, line %lu: Bad permitopen port "
3867aa0a	279	"<%.100s>", file, linenum, p ? p : "");
01dafcb5	280	auth_debug_add("%.100s, line %lu: "
ed787d14	281	"Bad permitopen port", file, linenum);
01794848	282	xfree(patterns);
	283	goto bad_option;
	284	}
b1ed8313	285	if (options.allow_tcp_forwarding)
ed787d14	286	channel_add_permitted_opens(host, port);
01794848	287	xfree(patterns);
	288	goto next_option;
	289	}
d20f3c9e	290	cp = "tunnel=\"";
	291	if (strncasecmp(opts, cp, strlen(cp)) == 0) {
	292	char *tun = NULL;
	293	opts += strlen(cp);
	294	tun = xmalloc(strlen(opts) + 1);
	295	i = 0;
	296	while (*opts) {
	297	if (*opts == '"')
	298	break;
	299	tun[i++] = *opts++;
	300	}
	301	if (!*opts) {
	302	debug("%.100s, line %lu: missing end quote",
	303	file, linenum);
	304	auth_debug_add("%.100s, line %lu: missing end quote",
	305	file, linenum);
	306	xfree(tun);
	307	forced_tun_device = -1;
	308	goto bad_option;
	309	}
774de098	310	tun[i] = '\0';
d20f3c9e	311	forced_tun_device = a2tun(tun, NULL);
d20f3c9e	312	xfree(tun);
a4f24bf8	313	if (forced_tun_device == SSH_TUNID_ERR) {
d20f3c9e	314	debug("%.100s, line %lu: invalid tun device",
	315	file, linenum);
	316	auth_debug_add("%.100s, line %lu: invalid tun device",
	317	file, linenum);
	318	forced_tun_device = -1;
	319	goto bad_option;
	320	}
	321	auth_debug_add("Forced tun device: %d", forced_tun_device);
	322	opts++;
	323	goto next_option;
	324	}
38c295d6	325	next_option:
	326	/*
	327	* Skip the comma, and move to the next option
	328	* (or break out if there are no more).
	329	*/
61e96248	330	if (!*opts)
38c295d6	331	fatal("Bugs in auth-options.c option processing.");
61e96248	332	if (opts == ' ' \|\| opts == '\t')
38c295d6	333	break; /* End of options. */
61e96248	334	if (*opts != ',')
38c295d6	335	goto bad_option;
61e96248	336	opts++;
38c295d6	337	/* Process the next option. */
38c295d6	338	}
1853d1ef	339
1853d1ef	340	if (!use_privsep)
01dafcb5	341	auth_debug_send();
1853d1ef	342
38c295d6	343	/* grant access */
	344	return 1;
	345
	346	bad_option:
bbe88b6d	347	logit("Bad options in %.100s file, line %lu: %.50s",
61e96248	348	file, linenum, opts);
01dafcb5	349	auth_debug_add("Bad options in %.100s file, line %lu: %.50s",
61e96248	350	file, linenum, opts);
1853d1ef	351
1853d1ef	352	if (!use_privsep)
01dafcb5	353	auth_debug_send();
1853d1ef	354
38c295d6	355	/* deny access */
	356	return 0;
	357	}