diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:54:37 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:54:37 +0000 |
commit | 97c26c1924b076ef23ebe4381558e8aa025712b2 (patch) | |
tree | 109724175f07436696f51b14b5abbd3f4d704d6d /src/chage.c | |
parent | Initial commit. (diff) | |
download | shadow-97c26c1924b076ef23ebe4381558e8aa025712b2.tar.xz shadow-97c26c1924b076ef23ebe4381558e8aa025712b2.zip |
Adding upstream version 1:4.13+dfsg1.upstream/1%4.13+dfsg1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/chage.c | 904 |
1 files changed, 904 insertions, 0 deletions
diff --git a/src/chage.c b/src/chage.c new file mode 100644 index 0000000..01570d7 --- /dev/null +++ b/src/chage.c @@ -0,0 +1,904 @@ +/* + * SPDX-FileCopyrightText: 1989 - 1994, Julianne Frances Haugh + * SPDX-FileCopyrightText: 1996 - 2000, Marek Michałkiewicz + * SPDX-FileCopyrightText: 2000 - 2006, Tomasz Kłoczko + * SPDX-FileCopyrightText: 2007 - 2011, Nicolas François + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <config.h> + +#ident "$Id$" + +#include <ctype.h> +#include <fcntl.h> +#include <getopt.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <time.h> +#ifdef ACCT_TOOLS_SETUID +#ifdef USE_PAM +#include "pam_defs.h" +#endif /* USE_PAM */ +#endif /* ACCT_TOOLS_SETUID */ +#include <pwd.h> +#include "prototypes.h" +#include "defines.h" +#include "pwio.h" +#include "shadowio.h" +#include "shadowlog.h" +#ifdef WITH_TCB +#include "tcbfuncs.h" +#endif +/*@-exitarg@*/ +#include "exitcodes.h" + +/* + * Global variables + */ +const char *Prog; + +static bool + dflg = false, /* set last password change date */ + Eflg = false, /* set account expiration date */ + iflg = false, /* set iso8601 date formatting */ + Iflg = false, /* set password inactive after expiration */ + lflg = false, /* show account aging information */ + mflg = false, /* set minimum number of days before password change */ + Mflg = false, /* set maximum number of days before password change */ + Wflg = false; /* set expiration warning days */ +static bool amroot = false; + +static bool pw_locked = false; /* Indicate if the password file is locked */ +static bool spw_locked = false; /* Indicate if the shadow file is locked */ +/* The name and UID of the user being worked on */ +static char user_name[BUFSIZ] = ""; +static uid_t user_uid = -1; + +static long mindays; +static long maxdays; +static long lstchgdate; +static long warndays; +static long inactdays; +static long expdate; + +/* local function prototypes */ +static /*@noreturn@*/void usage (int status); +static int new_fields (void); +static void print_date (time_t date); +static void list_fields (void); +static void process_flags (int argc, char **argv); +static void check_flags (int argc, int opt_index); +static void check_perms (void); +static void open_files (bool readonly); +static void close_files (void); +static /*@noreturn@*/void fail_exit (int code); + +/* + * fail_exit - do some cleanup and exit with the given error code + */ +static /*@noreturn@*/void fail_exit (int code) +{ + if (spw_locked) { + if (spw_unlock () == 0) { + fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, spw_dbname ()); + SYSLOG ((LOG_ERR, "failed to unlock %s", spw_dbname ())); + /* continue */ + } + } + if (pw_locked) { + if (pw_unlock () == 0) { + fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, pw_dbname ()); + SYSLOG ((LOG_ERR, "failed to unlock %s", pw_dbname ())); + /* continue */ + } + } + closelog (); + +#ifdef WITH_AUDIT + if (E_SUCCESS != code) { + audit_logger (AUDIT_USER_CHAUTHTOK, Prog, + "change age", + user_name, (unsigned int) user_uid, 0); + } +#endif + + exit (code); +} + +/* + * usage - print command line syntax and exit + */ +static /*@noreturn@*/void usage (int status) +{ + FILE *usageout = (E_SUCCESS != status) ? stderr : stdout; + (void) fprintf (usageout, + _("Usage: %s [options] LOGIN\n" + "\n" + "Options:\n"), + Prog); + (void) fputs (_(" -d, --lastday LAST_DAY set date of last password change to LAST_DAY\n"), usageout); + (void) fputs (_(" -E, --expiredate EXPIRE_DATE set account expiration date to EXPIRE_DATE\n"), usageout); + (void) fputs (_(" -h, --help display this help message and exit\n"), usageout); + (void) fputs (_(" -i, --iso8601 use YYYY-MM-DD when printing dates\n"), usageout); + (void) fputs (_(" -I, --inactive INACTIVE set password inactive after expiration\n" + " to INACTIVE\n"), usageout); + (void) fputs (_(" -l, --list show account aging information\n"), usageout); + (void) fputs (_(" -m, --mindays MIN_DAYS set minimum number of days before password\n" + " change to MIN_DAYS\n"), usageout); + (void) fputs (_(" -M, --maxdays MAX_DAYS set maximum number of days before password\n" + " change to MAX_DAYS\n"), usageout); + (void) fputs (_(" -R, --root CHROOT_DIR directory to chroot into\n"), usageout); + (void) fputs (_(" -W, --warndays WARN_DAYS set expiration warning days to WARN_DAYS\n"), usageout); + (void) fputs ("\n", usageout); + exit (status); +} + +/* + * new_fields - change the user's password aging information interactively. + * + * prompt the user for all of the password age values. set the fields + * from the user's response, or leave alone if nothing was entered. The + * value (-1) is used to indicate the field should be removed if possible. + * any other negative value is an error. very large positive values will + * be handled elsewhere. + */ +static int new_fields (void) +{ + char buf[200]; + + (void) puts (_("Enter the new value, or press ENTER for the default")); + (void) puts (""); + + (void) snprintf (buf, sizeof buf, "%ld", mindays); + change_field (buf, sizeof buf, _("Minimum Password Age")); + if ( (getlong (buf, &mindays) == 0) + || (mindays < -1)) { + return 0; + } + + (void) snprintf (buf, sizeof buf, "%ld", maxdays); + change_field (buf, sizeof buf, _("Maximum Password Age")); + if ( (getlong (buf, &maxdays) == 0) + || (maxdays < -1)) { + return 0; + } + + if (-1 == lstchgdate || lstchgdate > LONG_MAX / SCALE) { + strcpy (buf, "-1"); + } else { + date_to_str (sizeof(buf), buf, lstchgdate * SCALE); + } + + change_field (buf, sizeof buf, _("Last Password Change (YYYY-MM-DD)")); + + if (strcmp (buf, "-1") == 0) { + lstchgdate = -1; + } else { + lstchgdate = strtoday (buf); + if (lstchgdate <= -1) { + return 0; + } + } + + (void) snprintf (buf, sizeof buf, "%ld", warndays); + change_field (buf, sizeof buf, _("Password Expiration Warning")); + if ( (getlong (buf, &warndays) == 0) + || (warndays < -1)) { + return 0; + } + + (void) snprintf (buf, sizeof buf, "%ld", inactdays); + change_field (buf, sizeof buf, _("Password Inactive")); + if ( (getlong (buf, &inactdays) == 0) + || (inactdays < -1)) { + return 0; + } + + if (-1 == expdate || LONG_MAX / SCALE < expdate) { + strcpy (buf, "-1"); + } else { + date_to_str (sizeof(buf), buf, expdate * SCALE); + } + + change_field (buf, sizeof buf, + _("Account Expiration Date (YYYY-MM-DD)")); + + if (strcmp (buf, "-1") == 0) { + expdate = -1; + } else { + expdate = strtoday (buf); + if (expdate <= -1) { + return 0; + } + } + + return 1; +} + +static void print_date (time_t date) +{ + struct tm *tp; + char buf[80]; + + tp = gmtime (&date); + if (NULL == tp) { + (void) printf ("time_t: %lu\n", (unsigned long)date); + } else { + (void) strftime (buf, sizeof buf, iflg ? "%Y-%m-%d" : "%b %d, %Y", tp); + (void) puts (buf); + } +} + +/* + * list_fields - display the current values of the expiration fields + * + * display the password age information from the password fields. Date + * values will be displayed as a calendar date, or the word "never" if + * the date is 1/1/70, which is day number 0. + */ +static void list_fields (void) +{ + long changed = 0; + long expires; + + /* + * The "last change" date is either "never" or the date the password + * was last modified. The date is the number of days since 1/1/1970. + */ + (void) fputs (_("Last password change\t\t\t\t\t: "), stdout); + if (lstchgdate < 0 || lstchgdate > LONG_MAX / SCALE) { + (void) puts (_("never")); + } else if (lstchgdate == 0) { + (void) puts (_("password must be changed")); + } else { + changed = lstchgdate * SCALE; + print_date ((time_t) changed); + } + + /* + * The password expiration date is determined from the last change + * date plus the number of days the password is valid for. + */ + (void) fputs (_("Password expires\t\t\t\t\t: "), stdout); + if (lstchgdate == 0) { + (void) puts (_("password must be changed")); + } else if ( (lstchgdate < 0) + || (maxdays >= (10000 * (DAY / SCALE))) + || (maxdays < 0) + || ((LONG_MAX - changed) / SCALE < maxdays)) { + (void) puts (_("never")); + } else { + expires = changed + maxdays * SCALE; + print_date ((time_t) expires); + } + + /* + * The account becomes inactive if the password is expired for more + * than "inactdays". The expiration date is calculated and the + * number of inactive days is added. The resulting date is when the + * active will be disabled. + */ + (void) fputs (_("Password inactive\t\t\t\t\t: "), stdout); + if (lstchgdate == 0) { + (void) puts (_("password must be changed")); + } else if ( (lstchgdate < 0) + || (inactdays < 0) + || (maxdays >= (10000 * (DAY / SCALE))) + || (maxdays < 0) + || (maxdays > LONG_MAX - inactdays) + || ((LONG_MAX - changed) / SCALE < maxdays + inactdays)) { + (void) puts (_("never")); + } else { + expires = changed + (maxdays + inactdays) * SCALE; + print_date ((time_t) expires); + } + + /* + * The account will expire on the given date regardless of the + * password expiring or not. + */ + (void) fputs (_("Account expires\t\t\t\t\t\t: "), stdout); + if (expdate < 0 || LONG_MAX / SCALE < expdate) { + (void) puts (_("never")); + } else { + expires = expdate * SCALE; + print_date ((time_t) expires); + } + + /* + * Start with the easy numbers - the number of days before the + * password can be changed, the number of days after which the + * password must be changed, the number of days before the password + * expires that the user is told, and the number of days after the + * password expires that the account becomes unusable. + */ + printf (_("Minimum number of days between password change\t\t: %ld\n"), + mindays); + printf (_("Maximum number of days between password change\t\t: %ld\n"), + maxdays); + printf (_("Number of days of warning before password expires\t: %ld\n"), + warndays); +} + +/* + * process_flags - parse the command line options + * + * It will not return if an error is encountered. + */ +static void process_flags (int argc, char **argv) +{ + /* + * Parse the command line options. + */ + int c; + static struct option long_options[] = { + {"lastday", required_argument, NULL, 'd'}, + {"expiredate", required_argument, NULL, 'E'}, + {"help", no_argument, NULL, 'h'}, + {"inactive", required_argument, NULL, 'I'}, + {"list", no_argument, NULL, 'l'}, + {"mindays", required_argument, NULL, 'm'}, + {"maxdays", required_argument, NULL, 'M'}, + {"root", required_argument, NULL, 'R'}, + {"warndays", required_argument, NULL, 'W'}, + {"iso8601", no_argument, NULL, 'i'}, + {NULL, 0, NULL, '\0'} + }; + + while ((c = getopt_long (argc, argv, "d:E:hiI:lm:M:R:W:", + long_options, NULL)) != -1) { + switch (c) { + case 'd': + dflg = true; + lstchgdate = strtoday (optarg); + if (lstchgdate < -1) { + fprintf (stderr, + _("%s: invalid date '%s'\n"), + Prog, optarg); + usage (E_USAGE); + } + break; + case 'E': + Eflg = true; + expdate = strtoday (optarg); + if (expdate < -1) { + fprintf (stderr, + _("%s: invalid date '%s'\n"), + Prog, optarg); + usage (E_USAGE); + } + break; + case 'h': + usage (E_SUCCESS); + /*@notreached@*/break; + case 'i': + iflg = true; + break; + case 'I': + Iflg = true; + if ( (getlong (optarg, &inactdays) == 0) + || (inactdays < -1)) { + fprintf (stderr, + _("%s: invalid numeric argument '%s'\n"), + Prog, optarg); + usage (E_USAGE); + } + break; + case 'l': + lflg = true; + break; + case 'm': + mflg = true; + if ( (getlong (optarg, &mindays) == 0) + || (mindays < -1)) { + fprintf (stderr, + _("%s: invalid numeric argument '%s'\n"), + Prog, optarg); + usage (E_USAGE); + } + break; + case 'M': + Mflg = true; + if ( (getlong (optarg, &maxdays) == 0) + || (maxdays < -1)) { + fprintf (stderr, + _("%s: invalid numeric argument '%s'\n"), + Prog, optarg); + usage (E_USAGE); + } + break; + case 'R': /* no-op, handled in process_root_flag () */ + break; + case 'W': + Wflg = true; + if ( (getlong (optarg, &warndays) == 0) + || (warndays < -1)) { + fprintf (stderr, + _("%s: invalid numeric argument '%s'\n"), + Prog, optarg); + usage (E_USAGE); + } + break; + default: + usage (E_USAGE); + } + } + + check_flags (argc, optind); +} + +/* + * check_flags - check flags and parameters consistency + * + * It will not return if an error is encountered. + */ +static void check_flags (int argc, int opt_index) +{ + /* + * Make certain the flags do not conflict and that there is a user + * name on the command line. + */ + + if (argc != opt_index + 1) { + usage (E_USAGE); + } + + if (lflg && (mflg || Mflg || dflg || Wflg || Iflg || Eflg)) { + fprintf (stderr, + _("%s: do not include \"l\" with other flags\n"), + Prog); + usage (E_USAGE); + } +} + +/* + * check_perms - check if the caller is allowed to add a group + * + * Non-root users are only allowed to display their aging information. + * (we will later make sure that the user is only listing her aging + * information) + * + * With PAM support, the setuid bit can be set on chage to allow + * non-root users to groups. + * Without PAM support, only users who can write in the group databases + * can add groups. + * + * It will not return if the user is not allowed. + */ +static void check_perms (void) +{ +#ifdef ACCT_TOOLS_SETUID +#ifdef USE_PAM + pam_handle_t *pamh = NULL; + struct passwd *pampw; + int retval; +#endif /* USE_PAM */ +#endif /* ACCT_TOOLS_SETUID */ + + /* + * An unprivileged user can ask for their own aging information, but + * only root can change it, or list another user's aging + * information. + */ + + if (!amroot && !lflg) { + fprintf (stderr, _("%s: Permission denied.\n"), Prog); + fail_exit (E_NOPERM); + } + +#ifdef ACCT_TOOLS_SETUID +#ifdef USE_PAM + pampw = getpwuid (getuid ()); /* local, no need for xgetpwuid */ + if (NULL == pampw) { + fprintf (stderr, + _("%s: Cannot determine your user name.\n"), + Prog); + exit (E_NOPERM); + } + + retval = pam_start ("chage", pampw->pw_name, &conv, &pamh); + + if (PAM_SUCCESS == retval) { + retval = pam_authenticate (pamh, 0); + } + + if (PAM_SUCCESS == retval) { + retval = pam_acct_mgmt (pamh, 0); + } + + if (PAM_SUCCESS != retval) { + fprintf (stderr, _("%s: PAM: %s\n"), + Prog, pam_strerror (pamh, retval)); + SYSLOG((LOG_ERR, "%s", pam_strerror (pamh, retval))); + if (NULL != pamh) { + (void) pam_end (pamh, retval); + } + fail_exit (E_NOPERM); + } + (void) pam_end (pamh, retval); +#endif /* USE_PAM */ +#endif /* ACCT_TOOLS_SETUID */ +} + +/* + * open_files - open the shadow database + * + * In read-only mode, the databases are not locked and are opened + * only for reading. + */ +static void open_files (bool readonly) +{ + /* + * Lock and open the password file. This loads all of the password + * file entries into memory. Then we get a pointer to the password + * file entry for the requested user. + */ + if (!readonly) { + if (pw_lock () == 0) { + fprintf (stderr, + _("%s: cannot lock %s; try again later.\n"), + Prog, pw_dbname ()); + fail_exit (E_NOPERM); + } + pw_locked = true; + } + if (pw_open (readonly ? O_RDONLY: O_CREAT | O_RDWR) == 0) { + fprintf (stderr, _("%s: cannot open %s\n"), Prog, pw_dbname ()); + SYSLOG ((LOG_WARN, "cannot open %s", pw_dbname ())); + fail_exit (E_NOPERM); + } + + /* + * For shadow password files we have to lock the file and read in + * the entries as was done for the password file. The user entries + * does not have to exist in this case; a new entry will be created + * for this user if one does not exist already. + */ + if (!readonly) { + if (spw_lock () == 0) { + fprintf (stderr, + _("%s: cannot lock %s; try again later.\n"), + Prog, spw_dbname ()); + fail_exit (E_NOPERM); + } + spw_locked = true; + } + if (spw_open (readonly ? O_RDONLY: O_CREAT | O_RDWR) == 0) { + fprintf (stderr, + _("%s: cannot open %s\n"), Prog, spw_dbname ()); + SYSLOG ((LOG_WARN, "cannot open %s", spw_dbname ())); + fail_exit (E_NOPERM); + } +} + +/* + * close_files - close and unlock the password/shadow databases + */ +static void close_files (void) +{ + /* + * Now close the shadow password file, which will cause all of the + * entries to be re-written. + */ + if (spw_close () == 0) { + fprintf (stderr, + _("%s: failure while writing changes to %s\n"), Prog, spw_dbname ()); + SYSLOG ((LOG_ERR, "failure while writing changes to %s", spw_dbname ())); + fail_exit (E_NOPERM); + } + + /* + * Close the password file. If any entries were modified, the file + * will be re-written. + */ + if (pw_close () == 0) { + fprintf (stderr, _("%s: failure while writing changes to %s\n"), Prog, pw_dbname ()); + SYSLOG ((LOG_ERR, "failure while writing changes to %s", pw_dbname ())); + fail_exit (E_NOPERM); + } + if (spw_unlock () == 0) { + fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, spw_dbname ()); + SYSLOG ((LOG_ERR, "failed to unlock %s", spw_dbname ())); + /* continue */ + } + spw_locked = false; + if (pw_unlock () == 0) { + fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, pw_dbname ()); + SYSLOG ((LOG_ERR, "failed to unlock %s", pw_dbname ())); + /* continue */ + } + pw_locked = false; +} + +/* + * update_age - update the aging information in the database + * + * It will not return in case of error + */ +static void update_age (/*@null@*/const struct spwd *sp, + /*@notnull@*/const struct passwd *pw) +{ + struct spwd spwent; + + /* + * There was no shadow entry. The new entry will have the encrypted + * password transferred from the normal password file along with the + * aging information. + */ + if (NULL == sp) { + struct passwd pwent = *pw; + + memzero (&spwent, sizeof spwent); + spwent.sp_namp = xstrdup (pwent.pw_name); + spwent.sp_pwdp = xstrdup (pwent.pw_passwd); + spwent.sp_flag = SHADOW_SP_FLAG_UNSET; + + pwent.pw_passwd = SHADOW_PASSWD_STRING; /* XXX warning: const */ + if (pw_update (&pwent) == 0) { + fprintf (stderr, + _("%s: failed to prepare the new %s entry '%s'\n"), Prog, pw_dbname (), pwent.pw_name); + fail_exit (E_NOPERM); + } + } else { + spwent.sp_namp = xstrdup (sp->sp_namp); + spwent.sp_pwdp = xstrdup (sp->sp_pwdp); + spwent.sp_flag = sp->sp_flag; + } + + /* + * Copy the fields back to the shadow file entry and write the + * modified entry back to the shadow file. Closing the shadow and + * password files will commit any changes that have been made. + */ + spwent.sp_max = maxdays; + spwent.sp_min = mindays; + spwent.sp_lstchg = lstchgdate; + spwent.sp_warn = warndays; + spwent.sp_inact = inactdays; + spwent.sp_expire = expdate; + + if (spw_update (&spwent) == 0) { + fprintf (stderr, + _("%s: failed to prepare the new %s entry '%s'\n"), Prog, spw_dbname (), spwent.sp_namp); + fail_exit (E_NOPERM); + } + +} + +/* + * get_defaults - get the value of the fields not set from the command line + */ +static void get_defaults (/*@null@*/const struct spwd *sp) +{ + /* + * Set the fields that aren't being set from the command line from + * the password file. + */ + if (NULL != sp) { + if (!Mflg) { + maxdays = sp->sp_max; + } + if (!mflg) { + mindays = sp->sp_min; + } + if (!dflg) { + lstchgdate = sp->sp_lstchg; + } + if (!Wflg) { + warndays = sp->sp_warn; + } + if (!Iflg) { + inactdays = sp->sp_inact; + } + if (!Eflg) { + expdate = sp->sp_expire; + } + } else { + /* + * Use default values that will not change the behavior of the + * account. + */ + if (!Mflg) { + maxdays = -1; + } + if (!mflg) { + mindays = -1; + } + if (!dflg) { + lstchgdate = -1; + } + if (!Wflg) { + warndays = -1; + } + if (!Iflg) { + inactdays = -1; + } + if (!Eflg) { + expdate = -1; + } + } +} + +/* + * chage - change a user's password aging information + * + * This command controls the password aging information. + * + * The valid options are + * + * -d set last password change date (*) + * -E set account expiration date (*) + * -I set password inactive after expiration (*) + * -l show account aging information + * -M set maximum number of days before password change (*) + * -m set minimum number of days before password change (*) + * -W set expiration warning days (*) + * + * (*) requires root permission to execute. + * + * All of the time fields are entered in the internal format which is + * either seconds or days. + */ + +int main (int argc, char **argv) +{ + const struct spwd *sp; + uid_t ruid; + gid_t rgid; + const struct passwd *pw; + + /* + * Get the program name so that error messages can use it. + */ + Prog = Basename (argv[0]); + log_set_progname(Prog); + log_set_logfd(stderr); + + sanitize_env (); + (void) setlocale (LC_ALL, ""); + (void) bindtextdomain (PACKAGE, LOCALEDIR); + (void) textdomain (PACKAGE); + + process_root_flag ("-R", argc, argv); + +#ifdef WITH_AUDIT + audit_help_open (); +#endif + OPENLOG ("chage"); + + ruid = getuid (); + rgid = getgid (); + amroot = (ruid == 0); +#ifdef WITH_SELINUX + if (amroot) { + amroot = (check_selinux_permit ("rootok") == 0); + } +#endif + + process_flags (argc, argv); + + check_perms (); + + if (!spw_file_present ()) { + fprintf (stderr, + _("%s: the shadow password file is not present\n"), + Prog); + SYSLOG ((LOG_WARN, "can't find the shadow password file")); + closelog (); + exit (E_SHADOW_NOTFOUND); + } + + open_files (lflg); + /* Drop privileges */ + if (lflg && ( (setregid (rgid, rgid) != 0) + || (setreuid (ruid, ruid) != 0))) { + fprintf (stderr, _("%s: failed to drop privileges (%s)\n"), + Prog, strerror (errno)); + fail_exit (E_NOPERM); + } + + pw = pw_locate (argv[optind]); + if (NULL == pw) { + fprintf (stderr, _("%s: user '%s' does not exist in %s\n"), + Prog, argv[optind], pw_dbname ()); + closelog (); + fail_exit (E_NOPERM); + } + + STRFCPY (user_name, pw->pw_name); +#ifdef WITH_TCB + if (shadowtcb_set_user (pw->pw_name) == SHADOWTCB_FAILURE) { + fail_exit (E_NOPERM); + } +#endif + user_uid = pw->pw_uid; + + sp = spw_locate (argv[optind]); + get_defaults (sp); + + /* + * Print out the expiration fields if the user has requested the + * list option. + */ + if (lflg) { + if (!amroot && (ruid != user_uid)) { + fprintf (stderr, _("%s: Permission denied.\n"), Prog); + fail_exit (E_NOPERM); + } +#ifdef WITH_AUDIT + audit_logger (AUDIT_USER_CHAUTHTOK, Prog, + "display aging info", + user_name, (unsigned int) user_uid, 1); +#endif + list_fields (); + fail_exit (E_SUCCESS); + } + + /* + * If none of the fields were changed from the command line, let the + * user interactively change them. + */ + if (!mflg && !Mflg && !dflg && !Wflg && !Iflg && !Eflg) { + printf (_("Changing the aging information for %s\n"), + user_name); + if (new_fields () == 0) { + fprintf (stderr, _("%s: error changing fields\n"), + Prog); + fail_exit (E_NOPERM); + } +#ifdef WITH_AUDIT + else { + audit_logger (AUDIT_USER_CHAUTHTOK, Prog, + "change all aging information", + user_name, (unsigned int) user_uid, 1); + } +#endif + } else { +#ifdef WITH_AUDIT + if (Mflg) { + audit_logger (AUDIT_USER_CHAUTHTOK, Prog, + "change max age", + user_name, (unsigned int) user_uid, 1); + } + if (mflg) { + audit_logger (AUDIT_USER_CHAUTHTOK, Prog, + "change min age", + user_name, (unsigned int) user_uid, 1); + } + if (dflg) { + audit_logger (AUDIT_USER_CHAUTHTOK, Prog, + "change last change date", + user_name, (unsigned int) user_uid, 1); + } + if (Wflg) { + audit_logger (AUDIT_USER_CHAUTHTOK, Prog, + "change passwd warning", + user_name, (unsigned int) user_uid, 1); + } + if (Iflg) { + audit_logger (AUDIT_USER_CHAUTHTOK, Prog, + "change inactive days", + user_name, (unsigned int) user_uid, 1); + } + if (Eflg) { + audit_logger (AUDIT_USER_CHAUTHTOK, Prog, + "change passwd expiration", + user_name, (unsigned int) user_uid, 1); + } +#endif + } + + update_age (sp, pw); + + close_files (); + + SYSLOG ((LOG_INFO, "changed password expiry for %s", user_name)); + + closelog (); + exit (E_SUCCESS); +} + |