kqueue: Nuke unused code
[dragonfly.git] / crypto / openssh / auth.c
blob5e60682ce28ba5221914fedf974588cdb47cd796
1 /* $OpenBSD: auth.c,v 1.106 2014/07/15 15:54:14 millert Exp $ */
2 /*
3 * Copyright (c) 2000 Markus Friedl. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #include "includes.h"
28 #include <sys/types.h>
29 #include <sys/stat.h>
30 #include <sys/param.h>
32 #include <netinet/in.h>
34 #include <errno.h>
35 #include <fcntl.h>
36 #ifdef HAVE_PATHS_H
37 # include <paths.h>
38 #endif
39 #include <pwd.h>
40 #ifdef HAVE_LOGIN_H
41 #include <login.h>
42 #endif
43 #ifdef USE_SHADOW
44 #include <shadow.h>
45 #endif
46 #ifdef HAVE_LIBGEN_H
47 #include <libgen.h>
48 #endif
49 #include <stdarg.h>
50 #include <stdio.h>
51 #include <string.h>
52 #include <unistd.h>
54 #include "xmalloc.h"
55 #include "match.h"
56 #include "groupaccess.h"
57 #include "log.h"
58 #include "buffer.h"
59 #include "misc.h"
60 #include "servconf.h"
61 #include "key.h"
62 #include "hostfile.h"
63 #include "auth.h"
64 #include "auth-options.h"
65 #include "canohost.h"
66 #include "uidswap.h"
67 #include "packet.h"
68 #include "loginrec.h"
69 #ifdef GSSAPI
70 #include "ssh-gss.h"
71 #endif
72 #include "authfile.h"
73 #include "monitor_wrap.h"
74 #include "krl.h"
75 #include "compat.h"
77 /* import */
78 extern ServerOptions options;
79 extern int use_privsep;
80 extern Buffer loginmsg;
81 extern struct passwd *privsep_pw;
83 /* Debugging messages */
84 Buffer auth_debug;
85 int auth_debug_init;
88 * Check if the user is allowed to log in via ssh. If user is listed
89 * in DenyUsers or one of user's groups is listed in DenyGroups, false
90 * will be returned. If AllowUsers isn't empty and user isn't listed
91 * there, or if AllowGroups isn't empty and one of user's groups isn't
92 * listed there, false will be returned.
93 * If the user's shell is not executable, false will be returned.
94 * Otherwise true is returned.
96 int
97 allowed_user(struct passwd * pw)
99 struct stat st;
100 const char *hostname = NULL, *ipaddr = NULL, *passwd = NULL;
101 u_int i;
102 #ifdef USE_SHADOW
103 struct spwd *spw = NULL;
104 #endif
106 /* Shouldn't be called if pw is NULL, but better safe than sorry... */
107 if (!pw || !pw->pw_name)
108 return 0;
110 #ifdef USE_SHADOW
111 if (!options.use_pam)
112 spw = getspnam(pw->pw_name);
113 #ifdef HAS_SHADOW_EXPIRE
114 if (!options.use_pam && spw != NULL && auth_shadow_acctexpired(spw))
115 return 0;
116 #endif /* HAS_SHADOW_EXPIRE */
117 #endif /* USE_SHADOW */
119 /* grab passwd field for locked account check */
120 passwd = pw->pw_passwd;
121 #ifdef USE_SHADOW
122 if (spw != NULL)
123 #ifdef USE_LIBIAF
124 passwd = get_iaf_password(pw);
125 #else
126 passwd = spw->sp_pwdp;
127 #endif /* USE_LIBIAF */
128 #endif
130 /* check for locked account */
131 if (!options.use_pam && passwd && *passwd) {
132 int locked = 0;
134 #ifdef LOCKED_PASSWD_STRING
135 if (strcmp(passwd, LOCKED_PASSWD_STRING) == 0)
136 locked = 1;
137 #endif
138 #ifdef LOCKED_PASSWD_PREFIX
139 if (strncmp(passwd, LOCKED_PASSWD_PREFIX,
140 strlen(LOCKED_PASSWD_PREFIX)) == 0)
141 locked = 1;
142 #endif
143 #ifdef LOCKED_PASSWD_SUBSTR
144 if (strstr(passwd, LOCKED_PASSWD_SUBSTR))
145 locked = 1;
146 #endif
147 #ifdef USE_LIBIAF
148 free((void *) passwd);
149 #endif /* USE_LIBIAF */
150 if (locked) {
151 logit("User %.100s not allowed because account is locked",
152 pw->pw_name);
153 return 0;
158 * Deny if shell does not exist or is not executable unless we
159 * are chrooting.
161 if (options.chroot_directory == NULL ||
162 strcasecmp(options.chroot_directory, "none") == 0) {
163 char *shell = xstrdup((pw->pw_shell[0] == '\0') ?
164 _PATH_BSHELL : pw->pw_shell); /* empty = /bin/sh */
166 if (stat(shell, &st) != 0) {
167 logit("User %.100s not allowed because shell %.100s "
168 "does not exist", pw->pw_name, shell);
169 free(shell);
170 return 0;
172 if (S_ISREG(st.st_mode) == 0 ||
173 (st.st_mode & (S_IXOTH|S_IXUSR|S_IXGRP)) == 0) {
174 logit("User %.100s not allowed because shell %.100s "
175 "is not executable", pw->pw_name, shell);
176 free(shell);
177 return 0;
179 free(shell);
182 if (options.num_deny_users > 0 || options.num_allow_users > 0 ||
183 options.num_deny_groups > 0 || options.num_allow_groups > 0) {
184 hostname = get_canonical_hostname(options.use_dns);
185 ipaddr = get_remote_ipaddr();
188 /* Return false if user is listed in DenyUsers */
189 if (options.num_deny_users > 0) {
190 for (i = 0; i < options.num_deny_users; i++)
191 if (match_user(pw->pw_name, hostname, ipaddr,
192 options.deny_users[i])) {
193 logit("User %.100s from %.100s not allowed "
194 "because listed in DenyUsers",
195 pw->pw_name, hostname);
196 return 0;
199 /* Return false if AllowUsers isn't empty and user isn't listed there */
200 if (options.num_allow_users > 0) {
201 for (i = 0; i < options.num_allow_users; i++)
202 if (match_user(pw->pw_name, hostname, ipaddr,
203 options.allow_users[i]))
204 break;
205 /* i < options.num_allow_users iff we break for loop */
206 if (i >= options.num_allow_users) {
207 logit("User %.100s from %.100s not allowed because "
208 "not listed in AllowUsers", pw->pw_name, hostname);
209 return 0;
212 if (options.num_deny_groups > 0 || options.num_allow_groups > 0) {
213 /* Get the user's group access list (primary and supplementary) */
214 if (ga_init(pw->pw_name, pw->pw_gid) == 0) {
215 logit("User %.100s from %.100s not allowed because "
216 "not in any group", pw->pw_name, hostname);
217 return 0;
220 /* Return false if one of user's groups is listed in DenyGroups */
221 if (options.num_deny_groups > 0)
222 if (ga_match(options.deny_groups,
223 options.num_deny_groups)) {
224 ga_free();
225 logit("User %.100s from %.100s not allowed "
226 "because a group is listed in DenyGroups",
227 pw->pw_name, hostname);
228 return 0;
231 * Return false if AllowGroups isn't empty and one of user's groups
232 * isn't listed there
234 if (options.num_allow_groups > 0)
235 if (!ga_match(options.allow_groups,
236 options.num_allow_groups)) {
237 ga_free();
238 logit("User %.100s from %.100s not allowed "
239 "because none of user's groups are listed "
240 "in AllowGroups", pw->pw_name, hostname);
241 return 0;
243 ga_free();
246 #ifdef CUSTOM_SYS_AUTH_ALLOWED_USER
247 if (!sys_auth_allowed_user(pw, &loginmsg))
248 return 0;
249 #endif
251 /* We found no reason not to let this user try to log on... */
252 return 1;
255 void
256 auth_info(Authctxt *authctxt, const char *fmt, ...)
258 va_list ap;
259 int i;
261 free(authctxt->info);
262 authctxt->info = NULL;
264 va_start(ap, fmt);
265 i = vasprintf(&authctxt->info, fmt, ap);
266 va_end(ap);
268 if (i < 0 || authctxt->info == NULL)
269 fatal("vasprintf failed");
272 void
273 auth_log(Authctxt *authctxt, int authenticated, int partial,
274 const char *method, const char *submethod)
276 void (*authlog) (const char *fmt,...) = verbose;
277 char *authmsg;
279 if (use_privsep && !mm_is_monitor() && !authctxt->postponed)
280 return;
282 /* Raise logging level */
283 if (authenticated == 1 ||
284 !authctxt->valid ||
285 authctxt->failures >= options.max_authtries / 2 ||
286 strcmp(method, "password") == 0)
287 authlog = logit;
289 if (authctxt->postponed)
290 authmsg = "Postponed";
291 else if (partial)
292 authmsg = "Partial";
293 else
294 authmsg = authenticated ? "Accepted" : "Failed";
296 authlog("%s %s%s%s for %s%.100s from %.200s port %d %s%s%s",
297 authmsg,
298 method,
299 submethod != NULL ? "/" : "", submethod == NULL ? "" : submethod,
300 authctxt->valid ? "" : "invalid user ",
301 authctxt->user,
302 get_remote_ipaddr(),
303 get_remote_port(),
304 compat20 ? "ssh2" : "ssh1",
305 authctxt->info != NULL ? ": " : "",
306 authctxt->info != NULL ? authctxt->info : "");
307 free(authctxt->info);
308 authctxt->info = NULL;
310 #ifdef CUSTOM_FAILED_LOGIN
311 if (authenticated == 0 && !authctxt->postponed &&
312 (strcmp(method, "password") == 0 ||
313 strncmp(method, "keyboard-interactive", 20) == 0 ||
314 strcmp(method, "challenge-response") == 0))
315 record_failed_login(authctxt->user,
316 get_canonical_hostname(options.use_dns), "ssh");
317 # ifdef WITH_AIXAUTHENTICATE
318 if (authenticated)
319 sys_auth_record_login(authctxt->user,
320 get_canonical_hostname(options.use_dns), "ssh", &loginmsg);
321 # endif
322 #endif
323 #ifdef SSH_AUDIT_EVENTS
324 if (authenticated == 0 && !authctxt->postponed)
325 audit_event(audit_classify_auth(method));
326 #endif
330 void
331 auth_maxtries_exceeded(Authctxt *authctxt)
333 packet_disconnect("Too many authentication failures for "
334 "%s%.100s from %.200s port %d %s",
335 authctxt->valid ? "" : "invalid user ",
336 authctxt->user,
337 get_remote_ipaddr(),
338 get_remote_port(),
339 compat20 ? "ssh2" : "ssh1");
340 /* NOTREACHED */
344 * Check whether root logins are disallowed.
347 auth_root_allowed(const char *method)
349 switch (options.permit_root_login) {
350 case PERMIT_YES:
351 return 1;
352 case PERMIT_NO_PASSWD:
353 if (strcmp(method, "password") != 0)
354 return 1;
355 break;
356 case PERMIT_FORCED_ONLY:
357 if (forced_command) {
358 logit("Root login accepted for forced command.");
359 return 1;
361 break;
363 logit("ROOT LOGIN REFUSED FROM %.200s", get_remote_ipaddr());
364 return 0;
369 * Given a template and a passwd structure, build a filename
370 * by substituting % tokenised options. Currently, %% becomes '%',
371 * %h becomes the home directory and %u the username.
373 * This returns a buffer allocated by xmalloc.
375 char *
376 expand_authorized_keys(const char *filename, struct passwd *pw)
378 char *file, ret[MAXPATHLEN];
379 int i;
381 file = percent_expand(filename, "h", pw->pw_dir,
382 "u", pw->pw_name, (char *)NULL);
385 * Ensure that filename starts anchored. If not, be backward
386 * compatible and prepend the '%h/'
388 if (*file == '/')
389 return (file);
391 i = snprintf(ret, sizeof(ret), "%s/%s", pw->pw_dir, file);
392 if (i < 0 || (size_t)i >= sizeof(ret))
393 fatal("expand_authorized_keys: path too long");
394 free(file);
395 return (xstrdup(ret));
398 char *
399 authorized_principals_file(struct passwd *pw)
401 if (options.authorized_principals_file == NULL ||
402 strcasecmp(options.authorized_principals_file, "none") == 0)
403 return NULL;
404 return expand_authorized_keys(options.authorized_principals_file, pw);
407 /* return ok if key exists in sysfile or userfile */
408 HostStatus
409 check_key_in_hostfiles(struct passwd *pw, Key *key, const char *host,
410 const char *sysfile, const char *userfile)
412 char *user_hostfile;
413 struct stat st;
414 HostStatus host_status;
415 struct hostkeys *hostkeys;
416 const struct hostkey_entry *found;
418 hostkeys = init_hostkeys();
419 load_hostkeys(hostkeys, host, sysfile);
420 if (userfile != NULL) {
421 user_hostfile = tilde_expand_filename(userfile, pw->pw_uid);
422 if (options.strict_modes &&
423 (stat(user_hostfile, &st) == 0) &&
424 ((st.st_uid != 0 && st.st_uid != pw->pw_uid) ||
425 (st.st_mode & 022) != 0)) {
426 logit("Authentication refused for %.100s: "
427 "bad owner or modes for %.200s",
428 pw->pw_name, user_hostfile);
429 auth_debug_add("Ignored %.200s: bad ownership or modes",
430 user_hostfile);
431 } else {
432 temporarily_use_uid(pw);
433 load_hostkeys(hostkeys, host, user_hostfile);
434 restore_uid();
436 free(user_hostfile);
438 host_status = check_key_in_hostkeys(hostkeys, key, &found);
439 if (host_status == HOST_REVOKED)
440 error("WARNING: revoked key for %s attempted authentication",
441 found->host);
442 else if (host_status == HOST_OK)
443 debug("%s: key for %s found at %s:%ld", __func__,
444 found->host, found->file, found->line);
445 else
446 debug("%s: key for host %s not found", __func__, host);
448 free_hostkeys(hostkeys);
450 return host_status;
454 * Check a given path for security. This is defined as all components
455 * of the path to the file must be owned by either the owner of
456 * of the file or root and no directories must be group or world writable.
458 * XXX Should any specific check be done for sym links ?
460 * Takes a file name, its stat information (preferably from fstat() to
461 * avoid races), the uid of the expected owner, their home directory and an
462 * error buffer plus max size as arguments.
464 * Returns 0 on success and -1 on failure
467 auth_secure_path(const char *name, struct stat *stp, const char *pw_dir,
468 uid_t uid, char *err, size_t errlen)
470 char buf[MAXPATHLEN], homedir[MAXPATHLEN];
471 char *cp;
472 int comparehome = 0;
473 struct stat st;
475 if (realpath(name, buf) == NULL) {
476 snprintf(err, errlen, "realpath %s failed: %s", name,
477 strerror(errno));
478 return -1;
480 if (pw_dir != NULL && realpath(pw_dir, homedir) != NULL)
481 comparehome = 1;
483 if (!S_ISREG(stp->st_mode)) {
484 snprintf(err, errlen, "%s is not a regular file", buf);
485 return -1;
487 if ((!platform_sys_dir_uid(stp->st_uid) && stp->st_uid != uid) ||
488 (stp->st_mode & 022) != 0) {
489 snprintf(err, errlen, "bad ownership or modes for file %s",
490 buf);
491 return -1;
494 /* for each component of the canonical path, walking upwards */
495 for (;;) {
496 if ((cp = dirname(buf)) == NULL) {
497 snprintf(err, errlen, "dirname() failed");
498 return -1;
500 strlcpy(buf, cp, sizeof(buf));
502 if (stat(buf, &st) < 0 ||
503 (!platform_sys_dir_uid(st.st_uid) && st.st_uid != uid) ||
504 (st.st_mode & 022) != 0) {
505 snprintf(err, errlen,
506 "bad ownership or modes for directory %s", buf);
507 return -1;
510 /* If are past the homedir then we can stop */
511 if (comparehome && strcmp(homedir, buf) == 0)
512 break;
515 * dirname should always complete with a "/" path,
516 * but we can be paranoid and check for "." too
518 if ((strcmp("/", buf) == 0) || (strcmp(".", buf) == 0))
519 break;
521 return 0;
525 * Version of secure_path() that accepts an open file descriptor to
526 * avoid races.
528 * Returns 0 on success and -1 on failure
530 static int
531 secure_filename(FILE *f, const char *file, struct passwd *pw,
532 char *err, size_t errlen)
534 struct stat st;
536 /* check the open file to avoid races */
537 if (fstat(fileno(f), &st) < 0) {
538 snprintf(err, errlen, "cannot stat file %s: %s",
539 file, strerror(errno));
540 return -1;
542 return auth_secure_path(file, &st, pw->pw_dir, pw->pw_uid, err, errlen);
545 static FILE *
546 auth_openfile(const char *file, struct passwd *pw, int strict_modes,
547 int log_missing, char *file_type)
549 char line[1024];
550 struct stat st;
551 int fd;
552 FILE *f;
554 if ((fd = open(file, O_RDONLY|O_NONBLOCK)) == -1) {
555 if (log_missing || errno != ENOENT)
556 debug("Could not open %s '%s': %s", file_type, file,
557 strerror(errno));
558 return NULL;
561 if (fstat(fd, &st) < 0) {
562 close(fd);
563 return NULL;
565 if (!S_ISREG(st.st_mode)) {
566 logit("User %s %s %s is not a regular file",
567 pw->pw_name, file_type, file);
568 close(fd);
569 return NULL;
571 unset_nonblock(fd);
572 if ((f = fdopen(fd, "r")) == NULL) {
573 close(fd);
574 return NULL;
576 if (strict_modes &&
577 secure_filename(f, file, pw, line, sizeof(line)) != 0) {
578 fclose(f);
579 logit("Authentication refused: %s", line);
580 auth_debug_add("Ignored %s: %s", file_type, line);
581 return NULL;
584 return f;
588 FILE *
589 auth_openkeyfile(const char *file, struct passwd *pw, int strict_modes)
591 return auth_openfile(file, pw, strict_modes, 1, "authorized keys");
594 FILE *
595 auth_openprincipals(const char *file, struct passwd *pw, int strict_modes)
597 return auth_openfile(file, pw, strict_modes, 0,
598 "authorized principals");
601 struct passwd *
602 getpwnamallow(const char *user)
604 #ifdef HAVE_LOGIN_CAP
605 extern login_cap_t *lc;
606 #ifdef BSD_AUTH
607 auth_session_t *as;
608 #endif
609 #endif
610 struct passwd *pw;
611 struct connection_info *ci = get_connection_info(1, options.use_dns);
613 ci->user = user;
614 parse_server_match_config(&options, ci);
616 #if defined(_AIX) && defined(HAVE_SETAUTHDB)
617 aix_setauthdb(user);
618 #endif
620 pw = getpwnam(user);
622 #if defined(_AIX) && defined(HAVE_SETAUTHDB)
623 aix_restoreauthdb();
624 #endif
625 #ifdef HAVE_CYGWIN
627 * Windows usernames are case-insensitive. To avoid later problems
628 * when trying to match the username, the user is only allowed to
629 * login if the username is given in the same case as stored in the
630 * user database.
632 if (pw != NULL && strcmp(user, pw->pw_name) != 0) {
633 logit("Login name %.100s does not match stored username %.100s",
634 user, pw->pw_name);
635 pw = NULL;
637 #endif
638 if (pw == NULL) {
639 logit("Invalid user %.100s from %.100s",
640 user, get_remote_ipaddr());
641 #ifdef CUSTOM_FAILED_LOGIN
642 record_failed_login(user,
643 get_canonical_hostname(options.use_dns), "ssh");
644 #endif
645 #ifdef SSH_AUDIT_EVENTS
646 audit_event(SSH_INVALID_USER);
647 #endif /* SSH_AUDIT_EVENTS */
648 return (NULL);
650 if (!allowed_user(pw))
651 return (NULL);
652 #ifdef HAVE_LOGIN_CAP
653 if ((lc = login_getclass(pw->pw_class)) == NULL) {
654 debug("unable to get login class: %s", user);
655 return (NULL);
657 #ifdef BSD_AUTH
658 if ((as = auth_open()) == NULL || auth_setpwd(as, pw) != 0 ||
659 auth_approval(as, lc, pw->pw_name, "ssh") <= 0) {
660 debug("Approval failure for %s", user);
661 pw = NULL;
663 if (as != NULL)
664 auth_close(as);
665 #endif
666 #endif
667 if (pw != NULL)
668 return (pwcopy(pw));
669 return (NULL);
672 /* Returns 1 if key is revoked by revoked_keys_file, 0 otherwise */
674 auth_key_is_revoked(Key *key)
676 #ifdef WITH_OPENSSL
677 char *key_fp;
679 if (options.revoked_keys_file == NULL)
680 return 0;
681 switch (ssh_krl_file_contains_key(options.revoked_keys_file, key)) {
682 case 0:
683 return 0; /* Not revoked */
684 case -2:
685 break; /* Not a KRL */
686 default:
687 goto revoked;
689 #endif
690 debug3("%s: treating %s as a key list", __func__,
691 options.revoked_keys_file);
692 switch (key_in_file(key, options.revoked_keys_file, 0)) {
693 case 0:
694 /* key not revoked */
695 return 0;
696 case -1:
697 /* Error opening revoked_keys_file: refuse all keys */
698 error("Revoked keys file is unreadable: refusing public key "
699 "authentication");
700 return 1;
701 #ifdef WITH_OPENSSL
702 case 1:
703 revoked:
704 /* Key revoked */
705 key_fp = key_fingerprint(key, SSH_FP_MD5, SSH_FP_HEX);
706 error("WARNING: authentication attempt with a revoked "
707 "%s key %s ", key_type(key), key_fp);
708 free(key_fp);
709 return 1;
710 #endif
712 fatal("key_in_file returned junk");
715 void
716 auth_debug_add(const char *fmt,...)
718 char buf[1024];
719 va_list args;
721 if (!auth_debug_init)
722 return;
724 va_start(args, fmt);
725 vsnprintf(buf, sizeof(buf), fmt, args);
726 va_end(args);
727 buffer_put_cstring(&auth_debug, buf);
730 void
731 auth_debug_send(void)
733 char *msg;
735 if (!auth_debug_init)
736 return;
737 while (buffer_len(&auth_debug)) {
738 msg = buffer_get_string(&auth_debug, NULL);
739 packet_send_debug("%s", msg);
740 free(msg);
744 void
745 auth_debug_reset(void)
747 if (auth_debug_init)
748 buffer_clear(&auth_debug);
749 else {
750 buffer_init(&auth_debug);
751 auth_debug_init = 1;
755 struct passwd *
756 fakepw(void)
758 static struct passwd fake;
760 memset(&fake, 0, sizeof(fake));
761 fake.pw_name = "NOUSER";
762 fake.pw_passwd =
763 "$2a$06$r3.juUaHZDlIbQaO2dS9FuYxL1W9M81R1Tc92PoSNmzvpEqLkLGrK";
764 #ifdef HAVE_STRUCT_PASSWD_PW_GECOS
765 fake.pw_gecos = "NOUSER";
766 #endif
767 fake.pw_uid = privsep_pw == NULL ? (uid_t)-1 : privsep_pw->pw_uid;
768 fake.pw_gid = privsep_pw == NULL ? (gid_t)-1 : privsep_pw->pw_gid;
769 #ifdef HAVE_STRUCT_PASSWD_PW_CLASS
770 fake.pw_class = "";
771 #endif
772 fake.pw_dir = "/nonexist";
773 fake.pw_shell = "/nonexist";
775 return (&fake);