2 * Copyright (c) 1989 - 1994, Julianne Frances Haugh
3 * Copyright (c) 1996 - 2000, Marek Michałkiewicz
4 * Copyright (c) 2001 - 2006, Tomasz Kłoczko
5 * Copyright (c) 2007 - 2009, Nicolas François
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the copyright holders or contributors may not be used to
17 * endorse or promote products derived from this software without
18 * specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
23 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43 #include <sys/types.h>
45 #include <selinux/selinux.h>
46 #include <selinux/flask.h>
47 #include <selinux/av_permissions.h>
48 #include <selinux/context.h>
49 #endif /* WITH_SELINUX */
54 #include "prototypes.h"
63 #define E_SUCCESS 0 /* success */
64 #define E_NOPERM 1 /* permission denied */
65 #define E_USAGE 2 /* invalid combination of options */
66 #define E_FAILURE 3 /* unexpected failure, nothing done */
67 #define E_MISSING 4 /* unexpected failure, passwd file missing */
68 #define E_PWDBUSY 5 /* passwd file busy, try again later */
69 #define E_BAD_ARG 6 /* invalid argument to option */
73 char *Prog; /* Program name */
75 static char *name; /* The name of user whose password is being changed */
76 static char *myname; /* The current user's name */
77 static bool amroot; /* The caller's real UID was 0 */
80 aflg = false, /* -a - show status for all users */
81 dflg = false, /* -d - delete password */
82 eflg = false, /* -e - force password change */
83 iflg = false, /* -i - set inactive days */
84 kflg = false, /* -k - change only if expired */
85 lflg = false, /* -l - lock the user's password */
86 nflg = false, /* -n - set minimum days */
87 qflg = false, /* -q - quiet mode */
88 Sflg = false, /* -S - show password status */
89 uflg = false, /* -u - unlock the user's password */
90 wflg = false, /* -w - set warning days */
91 xflg = false; /* -x - set maximum days */
94 * set to 1 if there are any flags which require root privileges,
95 * and require username to be specified
97 static bool anyflag = false;
99 static long age_min = 0; /* Minimum days before change */
100 static long age_max = 0; /* Maximum days until change */
101 static long warn = 0; /* Warning days before change */
102 static long inact = 0; /* Days without change before locked */
105 static bool do_update_age = false;
106 #endif /* ! USE_PAM */
108 static bool pw_locked = false;
109 static bool spw_locked = false;
113 * Size of the biggest passwd:
125 static char crypt_passwd[256];
126 static bool do_update_pwd = false;
127 #endif /* !USE_PAM */
130 * External identifiers
133 /* local function prototypes */
134 static void usage (int);
137 static int reuse (const char *, const struct passwd *);
138 static int new_password (const struct passwd *);
140 static void check_password (const struct passwd *, const struct spwd *);
141 static char *insert_crypt_passwd (const char *, const char *);
142 #endif /* !USE_PAM */
143 static char *date_to_str (time_t);
144 static const char *pw_status (const char *);
145 static void print_status (const struct passwd *);
146 static void fail_exit (int);
147 static void oom (void);
148 static char *update_crypt_pw (char *);
149 static void update_noshadow (void);
151 static void update_shadow (void);
153 static int check_selinux_access (const char *changed_user,
155 access_vector_t requested_access);
156 #endif /* WITH_SELINUX */
159 * usage - print command usage and exit
161 static void usage (int status)
163 fputs (_("Usage: passwd [options] [LOGIN]\n"
166 " -a, --all report password status on all accounts\n"
167 " -d, --delete delete the password for the named account\n"
168 " -e, --expire force expire the password for the named account\n"
169 " -h, --help display this help message and exit\n"
170 " -k, --keep-tokens change password only if expired\n"
171 " -i, --inactive INACTIVE set password inactive after expiration\n"
173 " -l, --lock lock the password of the named account\n"
174 " -n, --mindays MIN_DAYS set minimum number of days before password\n"
175 " change to MIN_DAYS\n"
176 " -q, --quiet quiet mode\n"
177 " -r, --repository REPOSITORY change password in REPOSITORY repository\n"
178 " -S, --status report password status on the named account\n"
179 " -u, --unlock unlock the password of the named account\n"
180 " -w, --warndays WARN_DAYS set expiration warning days to WARN_DAYS\n"
181 " -x, --maxdays MAX_DAYS set maximum number of days before password\n"
182 " change to MAX_DAYS\n"
183 "\n"), (E_SUCCESS != status) ? stderr : stdout);
188 static int reuse (const char *pass, const struct passwd *pw)
190 #ifdef HAVE_LIBCRACK_HIST
193 #ifdef HAVE_LIBCRACK_PW
194 const char *FascistHistoryPw (const char *, const struct passwd *);
196 reason = FascistHistory (pass, pw);
197 #else /* !HAVE_LIBCRACK_PW */
198 const char *FascistHistory (const char *, int);
200 reason = FascistHistory (pass, pw->pw_uid);
201 #endif /* !HAVE_LIBCRACK_PW */
202 if (NULL != reason) {
203 printf (_("Bad password: %s. "), reason);
206 #endif /* HAVE_LIBCRACK_HIST */
211 * new_password - validate old password and replace with new (both old and
212 * new in global "char crypt_passwd[128]")
214 static int new_password (const struct passwd *pw)
216 char *clear; /* Pointer to clear text */
217 char *cipher; /* Pointer to cipher text */
218 char *cp; /* Pointer to getpass() response */
219 char orig[200]; /* Original password */
220 char pass[200]; /* New password */
221 int i; /* Counter for retries */
223 int pass_max_len = -1;
226 #ifdef HAVE_LIBCRACK_HIST
227 int HistUpdate (const char *, const char *);
228 #endif /* HAVE_LIBCRACK_HIST */
231 * Authenticate the user. The user will be prompted for their own
235 if (!amroot && crypt_passwd[0]) {
236 clear = getpass (_("Old password: "));
241 cipher = pw_encrypt (clear, crypt_passwd);
242 if (strcmp (cipher, crypt_passwd) != 0) {
243 SYSLOG ((LOG_WARN, "incorrect password for %s",
247 _("Incorrect password for %s.\n"),
251 STRFCPY (orig, clear);
259 * Get the new password. The user is prompted for the new password
260 * and has five tries to get it right. The password will be tested
261 * for strength, unless it is the root user. This provides an escape
262 * for initial login passwords.
264 if ((method = getdef_str ("ENCRYPT_METHOD")) == NULL) {
265 if (!getdef_bool ("MD5_CRYPT_ENAB")) {
266 pass_max_len = getdef_num ("PASS_MAX_LEN", 8);
269 if ( (strcmp (method, "MD5") == 0)
271 || (strcmp (method, "SHA256") == 0)
272 || (strcmp (method, "SHA512") == 0)
273 #endif /* USE_SHA_CRYPT */
277 pass_max_len = getdef_num ("PASS_MAX_LEN", 8);
281 if (pass_max_len == -1) {
283 "Enter the new password (minimum of %d characters)\n"
284 "Please use a combination of upper and lower case letters and numbers.\n"),
285 getdef_num ("PASS_MIN_LEN", 5));
288 "Enter the new password (minimum of %d, maximum of %d characters)\n"
289 "Please use a combination of upper and lower case letters and numbers.\n"),
290 getdef_num ("PASS_MIN_LEN", 5), pass_max_len);
295 for (i = getdef_num ("PASS_CHANGE_TRIES", 5); i > 0; i--) {
296 cp = getpass (_("New password: "));
298 memzero (orig, sizeof orig);
301 if (warned && (strcmp (pass, cp) != 0)) {
307 if (!amroot && (!obscure (orig, pass, pw) || reuse (pass, pw))) {
308 puts (_("Try again."));
313 * If enabled, warn about weak passwords even if you are
314 * root (enter this password again to use it anyway).
317 if (amroot && !warned && getdef_bool ("PASS_ALWAYS_WARN")
318 && (!obscure (orig, pass, pw) || reuse (pass, pw))) {
319 puts (_("\nWarning: weak password (enter it again to use it anyway)."));
323 cp = getpass (_("Re-enter new password: "));
325 memzero (orig, sizeof orig);
328 if (strcmp (cp, pass) != 0) {
329 fputs (_("They don't match; try again.\n"), stderr);
335 memzero (orig, sizeof orig);
338 memzero (pass, sizeof pass);
343 * Encrypt the password, then wipe the cleartext password.
345 cp = pw_encrypt (pass, crypt_make_salt (NULL, NULL));
346 memzero (pass, sizeof pass);
348 #ifdef HAVE_LIBCRACK_HIST
349 HistUpdate (pw->pw_name, crypt_passwd);
350 #endif /* HAVE_LIBCRACK_HIST */
351 STRFCPY (crypt_passwd, cp);
356 * check_password - test a password to see if it can be changed
358 * check_password() sees if the invoker has permission to change the
359 * password for the given user.
361 static void check_password (const struct passwd *pw, const struct spwd *sp)
366 exp_status = isexpired (pw, sp);
369 * If not expired and the "change only if expired" option (idea from
370 * PAM) was specified, do nothing. --marekm
372 if (kflg && (0 == exp_status)) {
377 * Root can change any password any time.
386 * Expired accounts cannot be changed ever. Passwords which are
387 * locked may not be changed. Passwords where min > max may not be
388 * changed. Passwords which have been inactive too long cannot be
391 if ( (sp->sp_pwdp[0] == '!')
393 || ( (sp->sp_max >= 0)
394 && (sp->sp_min > sp->sp_max))) {
396 _("The password for %s cannot be changed.\n"),
398 SYSLOG ((LOG_WARN, "password locked for '%s'", sp->sp_namp));
404 * Passwords may only be changed after sp_min time is up.
406 if (sp->sp_lstchg > 0) {
408 last = sp->sp_lstchg * SCALE;
409 ok = last + (sp->sp_min > 0 ? sp->sp_min * SCALE : 0);
413 _("The password for %s cannot be changed yet.\n"),
415 SYSLOG ((LOG_WARN, "now < minimum age for '%s'", pw->pw_name));
423 * insert_crypt_passwd - add an "old-style" password to authentication
424 * string result now malloced to avoid overflow, just in case. --marekm
426 static char *insert_crypt_passwd (const char *string, const char *passwd)
428 return xstrdup (passwd);
430 #endif /* !USE_PAM */
432 static char *date_to_str (time_t t)
439 strftime (buf, sizeof buf, "%m/%d/%Y", tm);
440 #else /* !HAVE_STRFTIME */
441 snprintf (buf, sizeof buf, "%02d/%02d/%04d",
442 tm->tm_mon + 1, tm->tm_mday, tm->tm_year + 1900);
443 #endif /* !HAVE_STRFTIME */
447 static const char *pw_status (const char *pass)
449 if (*pass == '*' || *pass == '!') {
459 * print_status - print current password status
461 static void print_status (const struct passwd *pw)
465 sp = getspnam (pw->pw_name); /* local, no need for xgetspnam */
467 printf ("%s %s %s %ld %ld %ld %ld\n",
469 pw_status (sp->sp_pwdp),
470 date_to_str (sp->sp_lstchg * SCALE),
471 (sp->sp_min * SCALE) / DAY,
472 (sp->sp_max * SCALE) / DAY,
473 (sp->sp_warn * SCALE) / DAY,
474 (sp->sp_inact * SCALE) / DAY);
476 printf ("%s %s\n", pw->pw_name, pw_status (pw->pw_passwd));
481 static void fail_exit (int status)
484 if (pw_unlock () == 0) {
485 fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, pw_dbname ());
486 SYSLOG ((LOG_ERR, "failed to unlock %s", pw_dbname ()));
492 if (spw_unlock () == 0) {
493 fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, spw_dbname ());
494 SYSLOG ((LOG_ERR, "failed to unlock %s", spw_dbname ()));
502 static void oom (void)
504 fprintf (stderr, _("%s: out of memory\n"), Prog);
505 fail_exit (E_FAILURE);
508 static char *update_crypt_pw (char *cp)
512 cp = insert_crypt_passwd (cp, crypt_passwd);
514 #endif /* !USE_PAM */
520 if (uflg && *cp == '!') {
523 _("%s: unlocking the password would result in a passwordless account.\n"
524 "You should set a password with usermod -p to unlock the password of this account.\n"),
526 fail_exit (E_FAILURE);
532 if (lflg && *cp != '!') {
533 char *newpw = xmalloc (strlen (cp) + 2);
543 static void update_noshadow (void)
545 const struct passwd *pw;
548 if (pw_lock () == 0) {
550 _("%s: cannot lock %s; try again later.\n"),
555 if (pw_open (O_RDWR) == 0) {
557 _("%s: cannot open %s\n"),
559 SYSLOG ((LOG_WARN, "cannot open %s", pw_dbname ()));
560 fail_exit (E_MISSING);
562 pw = pw_locate (name);
565 _("%s: user '%s' does not exist in %s\n"),
566 Prog, name, pw_dbname ());
567 fail_exit (E_NOPERM);
573 npw->pw_passwd = update_crypt_pw (npw->pw_passwd);
574 if (pw_update (npw) == 0) {
576 _("%s: failed to prepare the new %s entry '%s'\n"),
577 Prog, pw_dbname (), npw->pw_name);
578 fail_exit (E_FAILURE);
580 if (pw_close () == 0) {
582 _("%s: failure while writing changes to %s\n"),
584 SYSLOG ((LOG_ERR, "failure while writing changes to %s", pw_dbname ()));
585 fail_exit (E_FAILURE);
587 if (pw_unlock () == 0) {
588 fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, pw_dbname ());
589 SYSLOG ((LOG_ERR, "failed to unlock %s", pw_dbname ()));
595 static void update_shadow (void)
597 const struct spwd *sp;
600 if (spw_lock () == 0) {
602 _("%s: cannot lock %s; try again later.\n"),
603 Prog, spw_dbname ());
607 if (spw_open (O_RDWR) == 0) {
608 fprintf (stderr, _("%s: cannot open %s\n"), Prog, spw_dbname ());
609 SYSLOG ((LOG_WARN, "cannot open %s", spw_dbname ()));
610 fail_exit (E_FAILURE);
612 sp = spw_locate (name);
614 /* Try to update the password in /etc/passwd instead. */
617 if (spw_unlock () == 0) {
618 fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, spw_dbname ());
619 SYSLOG ((LOG_ERR, "failed to unlock %s", spw_dbname ()));
625 nsp = __spw_dup (sp);
629 nsp->sp_pwdp = update_crypt_pw (nsp->sp_pwdp);
631 nsp->sp_max = (age_max * DAY) / SCALE;
634 nsp->sp_min = (age_min * DAY) / SCALE;
637 nsp->sp_warn = (warn * DAY) / SCALE;
640 nsp->sp_inact = (inact * DAY) / SCALE;
644 nsp->sp_lstchg = (long) time ((time_t *) 0) / SCALE;
645 if (0 == nsp->sp_lstchg) {
646 /* Better disable aging than requiring a password
651 #endif /* !USE_PAM */
654 * Force change on next login, like SunOS 4.x passwd -e or Solaris
655 * 2.x passwd -f. Solaris 2.x seems to do the same thing (set
662 if (spw_update (nsp) == 0) {
664 _("%s: failed to prepare the new %s entry '%s'\n"),
665 Prog, spw_dbname (), nsp->sp_namp);
666 fail_exit (E_FAILURE);
668 if (spw_close () == 0) {
670 _("%s: failure while writing changes to %s\n"),
671 Prog, spw_dbname ());
672 SYSLOG ((LOG_ERR, "failure while writing changes to %s", spw_dbname ()));
673 fail_exit (E_FAILURE);
675 if (spw_unlock () == 0) {
676 fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, spw_dbname ());
677 SYSLOG ((LOG_ERR, "failed to unlock %s", spw_dbname ()));
684 static int check_selinux_access (const char *changed_user,
686 access_vector_t requested_access)
689 security_context_t user_context;
693 /* if in permissive mode then allow the operation */
694 if (security_getenforce() == 0) {
698 /* get the context of the process which executed passwd */
699 if (getprevcon(&user_context) != 0) {
703 /* get the "user" portion of the context (the part before the first
705 c = context_new(user_context);
706 user = context_user_get(c);
708 /* if changing a password for an account with UID==0 or for an account
709 where the identity matches then return success */
710 if (changed_uid != 0 && strcmp(changed_user, user) == 0) {
713 struct av_decision avd;
715 retval = security_compute_av(user_context,
721 ((requested_access & avd.allowed) == requested_access)) {
726 freecon(user_context);
730 #endif /* WITH_SELINUX */
733 * passwd - change a user's password file information
735 * This command controls the password file and commands which are used
738 * The valid options are
740 * -d delete the password for the named account (*)
741 * -e expire the password for the named account (*)
742 * -f execute chfn command to interpret flags
743 * -g execute gpasswd command to interpret flags
744 * -i # set sp_inact to # days (*)
745 * -k change password only if expired
746 * -l lock the password of the named account (*)
747 * -n # set sp_min to # days (*)
748 * -r # change password in # repository
749 * -s execute chsh command to interpret flags
750 * -S show password status of named account
751 * -u unlock the password of the named account (*)
752 * -w # set sp_warn to # days (*)
753 * -x # set sp_max to # days (*)
755 * (*) requires root permission to execute.
757 * All of the time fields are entered in days and converted to the
758 * appropriate internal format. For finer resolute the chage
759 * command must be used.
761 int main (int argc, char **argv)
763 const struct passwd *pw; /* Password file entry for user */
766 char *cp; /* Miscellaneous character pointing */
768 const struct spwd *sp; /* Shadow file entry for user */
769 #endif /* !USE_PAM */
771 (void) setlocale (LC_ALL, "");
772 (void) bindtextdomain (PACKAGE, LOCALEDIR);
773 (void) textdomain (PACKAGE);
776 * The program behaves differently when executed by root than when
777 * executed by a normal user.
779 amroot = (getuid () == 0);
782 * Get the program name. The program name is used as a prefix to
783 * most error messages.
785 Prog = Basename (argv[0]);
793 * Parse the command line options.
795 int option_index = 0;
797 static struct option long_options[] = {
798 {"all", no_argument, NULL, 'a'},
799 {"delete", no_argument, NULL, 'd'},
800 {"expire", no_argument, NULL, 'e'},
801 {"help", no_argument, NULL, 'h'},
802 {"inactive", required_argument, NULL, 'i'},
803 {"keep-tokens", no_argument, NULL, 'k'},
804 {"lock", no_argument, NULL, 'l'},
805 {"mindays", required_argument, NULL, 'n'},
806 {"quiet", no_argument, NULL, 'q'},
807 {"repository", required_argument, NULL, 'r'},
808 {"status", no_argument, NULL, 'S'},
809 {"unlock", no_argument, NULL, 'u'},
810 {"warndays", required_argument, NULL, 'w'},
811 {"maxdays", required_argument, NULL, 'x'},
812 {NULL, 0, NULL, '\0'}
815 while ((c = getopt_long (argc, argv, "adehi:kln:qr:Suw:x:",
816 long_options, &option_index)) != -1) {
830 if ( (getlong (optarg, &inact) == 0)
833 _("%s: invalid numeric argument '%s'\n"),
841 /* change only if expired, like Linux-PAM passwd -k. */
842 kflg = true; /* ok for users */
849 if ( (getlong (optarg, &age_min) == 0)
852 _("%s: invalid numeric argument '%s'\n"),
860 qflg = true; /* ok for users */
863 /* -r repository (files|nis|nisplus) */
864 /* only "files" supported for now */
865 if (strcmp (optarg, "files") != 0) {
867 _("%s: repository %s not supported\n"),
873 Sflg = true; /* ok for users */
880 if ( (getlong (optarg, &warn) == 0)
883 _("%s: invalid numeric argument '%s'\n"),
891 if ( (getlong (optarg, &age_max) == 0)
894 _("%s: invalid numeric argument '%s'\n"),
911 * Now I have to get the user name. The name will be gotten from the
912 * command line if possible. Otherwise it is figured out from the
915 pw = get_my_pwent ();
918 _("%s: Cannot determine your user name.\n"), Prog);
919 SYSLOG ((LOG_WARN, "Cannot determine the user name of the caller (UID %lu)",
920 (unsigned long) getuid ()));
923 myname = xstrdup (pw->pw_name);
931 * Make sure that at most one username was specified.
933 if (argc > (optind+1)) {
938 * The -a flag requires -S, no other flags, no username, and
939 * you must be root. --marekm
942 if (anyflag || !Sflg || (optind < argc)) {
946 fprintf (stderr, _("%s: Permission denied.\n"), Prog);
950 while ( (pw = getpwent ()) != NULL ) {
958 * Allow certain users (administrators) to change passwords of
959 * certain users. Not implemented yet. --marekm
961 if (may_change_passwd (myname, name))
966 * If any of the flags were given, a user name must be supplied on
967 * the command line. Only an unadorned command line doesn't require
968 * the user's name be given. Also, -x, -n, -w, -i, -e, -d,
969 * -l, -u may appear with each other. -S, -k must appear alone.
973 * -S now ok for normal users (check status of my own account), and
974 * doesn't require username. --marekm
976 if (anyflag && optind >= argc) {
981 || (anyflag && (Sflg || kflg))) {
985 if (anyflag && !amroot) {
986 fprintf (stderr, _("%s: Permission denied.\n"), Prog);
990 pw = xgetpwnam (name);
992 fprintf (stderr, _("%s: user '%s' does not exist\n"), Prog, name);
996 /* only do this check when getuid()==0 because it's a pre-condition for
997 changing a password without entering the old one */
998 if ((is_selinux_enabled() > 0) && (getuid() == 0) &&
999 (check_selinux_access (name, pw->pw_uid, PASSWD__PASSWD) != 0)) {
1000 security_context_t user_context = NULL;
1001 const char *user = "Unknown user context";
1002 if (getprevcon (&user_context) == 0) {
1003 user = user_context;
1006 "%s is not authorized to change the password of %s",
1009 _("%s: %s is not authorized to change the password of %s\n"),
1011 if (NULL != user_context) {
1012 freecon (user_context);
1016 #endif /* WITH_SELINUX */
1019 * If the UID of the user does not match the current real UID,
1020 * check if I'm root.
1022 if (!amroot && (pw->pw_uid != getuid ())) {
1024 _("%s: You may not view or modify password information for %s.\n"),
1027 "%s: can't view or modify password information for %s",
1039 * The user name is valid, so let's get the shadow file entry.
1041 sp = getspnam (name); /* !USE_PAM, no need for xgetspnam */
1043 sp = pwd_to_spwd (pw);
1049 * If there are no other flags, just change the password.
1052 STRFCPY (crypt_passwd, cp);
1055 * See if the user is permitted to change the password.
1056 * Otherwise, go ahead and set a new password.
1058 check_password (pw, sp);
1061 * Let the user know whose password is being changed.
1064 printf (_("Changing password for %s\n"), name);
1067 if (new_password (pw)) {
1069 _("The password for %s is unchanged.\n"),
1074 do_update_pwd = true;
1075 do_update_age = true;
1077 #endif /* !USE_PAM */
1079 * Before going any further, raise the ulimit to prevent colliding
1080 * into a lowered ulimit, and set the real UID to root to protect
1081 * against unexpected signals. Any keyboard signals are set to be
1088 * Don't set the real UID for PAM...
1091 do_pam_passwd (name, qflg, kflg);
1094 #endif /* USE_PAM */
1095 if (setuid (0) != 0) {
1096 fputs (_("Cannot change ID to root.\n"), stderr);
1097 SYSLOG ((LOG_ERR, "can't setuid(0)"));
1101 if (spw_file_present ()) {
1107 nscd_flush_cache ("passwd");
1108 nscd_flush_cache ("group");
1110 SYSLOG ((LOG_INFO, "password for '%s' changed by '%s'", name, myname));
1115 printf (_("%s: password changed.\n"), Prog);
1116 #endif /* USE_PAM */
1118 printf (_("%s: password expiry information changed.\n"), Prog);