2007-10-07 17:14:02 +05:30
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/*
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* Copyright 1991 - 1994, Julianne Frances Haugh
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Julianne F. Haugh nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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2007-10-07 17:14:59 +05:30
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* ARE DISCLAIMED. IN NO EVENT SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE
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2007-10-07 17:14:02 +05:30
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <config.h>
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2007-11-11 05:16:11 +05:30
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#ident "$Id$"
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2007-10-07 17:17:01 +05:30
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2007-10-07 17:14:02 +05:30
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#include <ctype.h>
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2007-10-07 17:17:01 +05:30
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#include <errno.h>
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2007-10-07 17:14:02 +05:30
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#include <fcntl.h>
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2007-10-07 17:17:11 +05:30
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#include <getopt.h>
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2007-10-07 17:17:01 +05:30
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#include <grp.h>
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#include <lastlog.h>
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#include <pwd.h>
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2007-10-07 17:14:38 +05:30
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#ifdef USE_PAM
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2007-10-07 17:17:11 +05:30
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#include "pam_defs.h"
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2007-10-07 17:14:59 +05:30
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#endif /* USE_PAM */
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2007-10-07 17:17:01 +05:30
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <time.h>
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2007-10-07 17:14:02 +05:30
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#include "chkname.h"
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2007-10-07 17:17:01 +05:30
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#include "defines.h"
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2007-10-07 17:14:02 +05:30
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#include "faillog.h"
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#include "getdef.h"
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2007-10-07 17:16:34 +05:30
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#include "groupio.h"
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#include "nscd.h"
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2007-10-07 17:17:01 +05:30
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#include "prototypes.h"
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#include "pwauth.h"
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2007-10-07 17:16:34 +05:30
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#include "pwio.h"
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#ifdef SHADOWGRP
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#include "sgroupio.h"
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#endif
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#include "shadowio.h"
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2007-10-07 17:14:02 +05:30
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/*
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* exit status values
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* for E_GRP_UPDATE and E_NOSPACE (not used yet), other update requests
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* will be implemented (as documented in the Solaris 2.x man page).
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*/
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#define E_SUCCESS 0 /* success */
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#define E_PW_UPDATE 1 /* can't update password file */
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#define E_USAGE 2 /* invalid command syntax */
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#define E_BAD_ARG 3 /* invalid argument to option */
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2007-10-07 17:16:25 +05:30
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#define E_UID_IN_USE 4 /* UID already in use (and no -o) */
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2007-10-07 17:17:57 +05:30
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/* #define E_BAD_PWFILE 5 passwd file contains errors */
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2007-10-07 17:14:02 +05:30
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#define E_NOTFOUND 6 /* specified user/group doesn't exist */
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#define E_USER_BUSY 8 /* user to modify is logged in */
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#define E_NAME_IN_USE 9 /* username already in use */
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#define E_GRP_UPDATE 10 /* can't update group file */
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2007-10-07 17:17:57 +05:30
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/* #define E_NOSPACE 11 insufficient space to move home dir */
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2007-10-07 17:14:02 +05:30
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#define E_HOMEDIR 12 /* unable to complete home dir move */
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#define VALID(s) (strcspn (s, ":\n") == strlen (s))
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2007-10-07 17:17:01 +05:30
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/*
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* Global variables
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*/
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2007-10-07 17:14:02 +05:30
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static char *user_name;
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static char *user_newname;
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static char *user_pass;
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static uid_t user_id;
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static uid_t user_newid;
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static gid_t user_gid;
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static gid_t user_newgid;
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static char *user_comment;
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static char *user_home;
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static char *user_newhome;
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static char *user_shell;
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static long user_expire;
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static long user_inactive;
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2007-10-07 17:14:51 +05:30
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static long sys_ngroups;
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2007-10-07 17:14:59 +05:30
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static char **user_groups; /* NULL-terminated list */
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2007-10-07 17:14:02 +05:30
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2007-10-07 17:17:22 +05:30
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#ifdef WITH_AUDIT
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static char *user_newcomment; /* Audit */
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static char *user_newshell; /* Audit */
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static long user_newexpire; /* Audit */
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static long user_newinactive; /* Audit */
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#endif
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2007-10-07 17:14:02 +05:30
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static char *Prog;
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static int
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2007-11-17 17:12:47 +05:30
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aflg = 0, /* append to existing secondary group set */
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2007-10-07 17:16:07 +05:30
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cflg = 0, /* new comment (GECOS) field */
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2007-10-07 17:16:34 +05:30
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dflg = 0, /* new home directory */
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2007-10-07 17:16:07 +05:30
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eflg = 0, /* days since 1970-01-01 when account becomes expired */
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2007-10-07 17:16:34 +05:30
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fflg = 0, /* days until account with expired password is locked */
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gflg = 0, /* new primary group ID */
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Gflg = 0, /* new secondary group set */
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2007-10-07 17:16:07 +05:30
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Lflg = 0, /* lock the password */
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2007-10-07 17:16:34 +05:30
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lflg = 0, /* new user name */
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mflg = 0, /* create user's home directory if it doesn't exist */
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oflg = 0, /* permit non-unique user ID to be specified with -u */
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2007-10-07 17:16:07 +05:30
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pflg = 0, /* new encrypted password */
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2007-10-07 17:16:34 +05:30
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sflg = 0, /* new shell program */
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uflg = 0, /* specify new user ID */
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Uflg = 0; /* unlock the password */
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2007-10-07 17:14:02 +05:30
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static int is_shadow_pwd;
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2007-10-07 17:16:25 +05:30
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2007-10-07 17:14:02 +05:30
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#ifdef SHADOWGRP
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static int is_shadow_grp;
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#endif
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2007-11-17 17:12:47 +05:30
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static int pw_locked = 0;
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static int spw_locked = 0;
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static int gr_locked = 0;
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#ifdef SHADOWGRP
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static int sgr_locked = 0;
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#endif
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2007-10-07 17:14:02 +05:30
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/* local function prototypes */
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2007-10-07 17:14:59 +05:30
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static int get_groups (char *);
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static void usage (void);
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static void new_pwent (struct passwd *);
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static void new_spent (struct spwd *);
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static void fail_exit (int);
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2007-11-17 17:12:47 +05:30
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static void update_group (void);
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2007-10-07 17:14:59 +05:30
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2007-10-07 17:14:02 +05:30
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#ifdef SHADOWGRP
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2007-11-17 17:12:47 +05:30
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static void update_gshadow (void);
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2007-10-07 17:14:02 +05:30
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#endif
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2007-11-17 17:12:47 +05:30
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static void grp_update (void);
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2007-10-07 17:14:59 +05:30
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static long get_number (const char *);
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static uid_t get_id (const char *);
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static void process_flags (int, char **);
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static void close_files (void);
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static void open_files (void);
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static void usr_update (void);
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static void move_home (void);
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static void update_files (void);
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2007-10-07 17:14:02 +05:30
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#ifndef NO_MOVE_MAILBOX
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2007-10-07 17:14:59 +05:30
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static void move_mailbox (void);
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2007-10-07 17:14:02 +05:30
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#endif
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2007-10-07 17:14:59 +05:30
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/*
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* Had to move this over from useradd.c since we have groups named
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2007-10-07 17:14:02 +05:30
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* "56k-family"... ergh.
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2007-10-07 17:14:59 +05:30
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* --Pac.
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*/
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2007-10-07 17:17:57 +05:30
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static struct group *getgr_nam_gid (const char *grname)
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2007-10-07 17:14:02 +05:30
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{
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2007-10-07 17:17:57 +05:30
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long val;
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char *errptr;
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2007-10-07 17:14:02 +05:30
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2007-10-07 17:17:57 +05:30
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val = strtol (grname, &errptr, 10);
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2007-10-07 20:06:51 +05:30
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if (*grname != '\0' && *errptr == '\0' && errno != ERANGE && val >= 0)
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return getgrgid (val);
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2007-10-07 17:17:57 +05:30
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return getgrnam (grname);
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2007-10-07 17:14:02 +05:30
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}
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/*
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* get_groups - convert a list of group names to an array of group IDs
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*
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* get_groups() takes a comma-separated list of group names and
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2007-10-07 17:14:59 +05:30
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* converts it to a NULL-terminated array. Any unknown group names are
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* reported as errors.
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2007-10-07 17:14:02 +05:30
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*/
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2007-10-07 17:14:59 +05:30
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static int get_groups (char *list)
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2007-10-07 17:14:02 +05:30
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{
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char *cp;
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const struct group *grp;
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int errors = 0;
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int ngroups = 0;
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/*
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* Initialize the list to be empty
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*/
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user_groups[0] = (char *) 0;
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2007-10-07 17:14:59 +05:30
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if (!*list)
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2007-10-07 17:14:02 +05:30
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return 0;
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/*
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2007-10-07 17:14:59 +05:30
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* So long as there is some data to be converted, strip off each
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* name and look it up. A mix of numerical and string values for
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* group identifiers is permitted.
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2007-10-07 17:14:02 +05:30
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*/
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do {
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/*
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* Strip off a single name from the list
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*/
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if ((cp = strchr (list, ',')))
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*cp++ = '\0';
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/*
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2007-10-07 17:14:59 +05:30
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* Names starting with digits are treated as numerical GID
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* values, otherwise the string is looked up as is.
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2007-10-07 17:14:02 +05:30
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*/
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2007-10-07 17:14:59 +05:30
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grp = getgr_nam_gid (list);
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2007-10-07 17:14:02 +05:30
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/*
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* There must be a match, either by GID value or by
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* string name.
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*/
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if (!grp) {
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2007-10-07 17:14:59 +05:30
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fprintf (stderr, _("%s: unknown group %s\n"),
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Prog, list);
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2007-10-07 17:14:02 +05:30
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errors++;
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}
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list = cp;
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/*
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2007-10-07 17:14:59 +05:30
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* If the group doesn't exist, don't dump core. Instead,
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* try the next one. --marekm
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2007-10-07 17:14:02 +05:30
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*/
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2007-10-07 17:14:59 +05:30
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if (!grp)
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2007-10-07 17:14:02 +05:30
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continue;
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#ifdef USE_NIS
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/*
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2007-10-07 17:14:59 +05:30
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* Don't add this group if they are an NIS group. Tell the
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* user to go to the server for this group.
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2007-10-07 17:14:02 +05:30
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*/
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if (__isgrNIS ()) {
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2007-10-07 17:14:59 +05:30
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fprintf (stderr,
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2007-10-07 17:17:33 +05:30
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_("%s: group '%s' is a NIS group.\n"),
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2007-10-07 17:14:59 +05:30
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Prog, grp->gr_name);
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2007-10-07 17:14:02 +05:30
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continue;
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}
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#endif
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2007-10-07 17:14:51 +05:30
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if (ngroups == sys_ngroups) {
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2007-10-07 17:14:59 +05:30
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fprintf (stderr,
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_
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("%s: too many groups specified (max %d).\n"),
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Prog, ngroups);
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2007-10-07 17:14:02 +05:30
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break;
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}
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/*
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* Add the group name to the user's list of groups.
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*/
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2007-10-07 17:14:59 +05:30
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user_groups[ngroups++] = xstrdup (grp->gr_name);
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2007-10-07 17:14:02 +05:30
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} while (list);
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user_groups[ngroups] = (char *) 0;
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/*
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* Any errors in finding group names are fatal
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*/
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if (errors)
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return -1;
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return 0;
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}
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/*
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* usage - display usage message and exit
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*/
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2007-10-07 17:14:59 +05:30
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static void usage (void)
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2007-10-07 17:14:02 +05:30
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{
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2007-10-07 17:17:45 +05:30
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fprintf (stderr, _("Usage: usermod [options] LOGIN\n"
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2007-10-07 17:17:11 +05:30
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"\n"
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"Options:\n"
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" -c, --comment COMMENT new value of the GECOS field\n"
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2007-10-07 17:17:45 +05:30
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" -d, --home HOME_DIR new home directory for the user account\n"
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2007-10-07 17:17:11 +05:30
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" -e, --expiredate EXPIRE_DATE set account expiration date to EXPIRE_DATE\n"
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" -f, --inactive INACTIVE set password inactive after expiration\n"
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" to INACTIVE\n"
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2007-10-07 17:17:45 +05:30
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" -g, --gid GROUP force use GROUP as new primary group\n"
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" -G, --groups GROUPS new list of supplementary GROUPS\n"
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2007-10-27 18:31:19 +05:30
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" -a, --append append the user to the supplemental GROUPS\n"
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" mentioned by the -G option without removing\n"
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" him/her from other groups\n"
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2007-10-07 17:17:11 +05:30
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" -h, --help display this help message and exit\n"
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2007-10-07 17:17:45 +05:30
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" -l, --login NEW_LOGIN new value of the login name\n"
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2007-10-07 17:17:11 +05:30
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" -L, --lock lock the user account\n"
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|
" -m, --move-home move contents of the home directory to the new\n"
|
|
|
|
" location (use only with -d)\n"
|
|
|
|
" -o, --non-unique allow using duplicate (non-unique) UID\n"
|
|
|
|
" -p, --password PASSWORD use encrypted password for the new password\n"
|
|
|
|
" -s, --shell SHELL new login shell for the user account\n"
|
|
|
|
" -u, --uid UID new UID for the user account\n"
|
2007-10-07 17:17:45 +05:30
|
|
|
" -U, --unlock unlock the user account\n"
|
|
|
|
"\n"));
|
2007-10-07 17:14:59 +05:30
|
|
|
exit (E_USAGE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
/*
|
|
|
|
* update encrypted password string (for both shadow and non-shadow
|
|
|
|
* passwords)
|
|
|
|
*/
|
|
|
|
static char *new_pw_passwd (char *pw_pass, const char *pw_name)
|
2007-10-07 17:14:32 +05:30
|
|
|
{
|
|
|
|
if (Lflg && pw_pass[0] != '!') {
|
2007-10-07 17:14:59 +05:30
|
|
|
char *buf = xmalloc (strlen (pw_pass) + 2);
|
2007-10-07 17:14:32 +05:30
|
|
|
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog, "updating passwd",
|
|
|
|
user_newname, user_newid, 0);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO, "lock user `%s' password", pw_name));
|
|
|
|
strcpy (buf, "!");
|
|
|
|
strcat (buf, pw_pass);
|
2007-10-07 17:14:32 +05:30
|
|
|
pw_pass = buf;
|
|
|
|
} else if (Uflg && pw_pass[0] == '!') {
|
|
|
|
char *s;
|
|
|
|
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog, "updating password",
|
|
|
|
user_newname, user_newid, 0);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO, "unlock user `%s' password", pw_name));
|
2007-10-07 17:14:32 +05:30
|
|
|
s = pw_pass;
|
|
|
|
while (*s) {
|
|
|
|
*s = *(s + 1);
|
|
|
|
s++;
|
|
|
|
}
|
|
|
|
} else if (pflg) {
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog, "changing password",
|
|
|
|
user_newname, user_newid, 1);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO, "change user `%s' password", pw_name));
|
|
|
|
pw_pass = xstrdup (user_pass);
|
2007-10-07 17:14:32 +05:30
|
|
|
}
|
|
|
|
return pw_pass;
|
|
|
|
}
|
|
|
|
|
2007-10-07 17:14:02 +05:30
|
|
|
/*
|
|
|
|
* new_pwent - initialize the values in a password file entry
|
|
|
|
*
|
2007-10-07 17:14:59 +05:30
|
|
|
* new_pwent() takes all of the values that have been entered and fills
|
|
|
|
* in a (struct passwd) with them.
|
2007-10-07 17:14:02 +05:30
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
static void new_pwent (struct passwd *pwent)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
|
|
|
if (lflg) {
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog, "changing name",
|
|
|
|
user_newname, user_newid, 1);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO, "change user name `%s' to `%s'",
|
|
|
|
pwent->pw_name, user_newname));
|
2007-10-07 17:14:02 +05:30
|
|
|
pwent->pw_name = xstrdup (user_newname);
|
|
|
|
}
|
|
|
|
if (!is_shadow_pwd)
|
2007-10-07 17:14:59 +05:30
|
|
|
pwent->pw_passwd =
|
|
|
|
new_pw_passwd (pwent->pw_passwd, pwent->pw_name);
|
2007-10-07 17:14:32 +05:30
|
|
|
|
2007-10-07 17:14:02 +05:30
|
|
|
if (uflg) {
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog, "changing uid",
|
|
|
|
user_newname, user_newid, 1);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO,
|
|
|
|
"change user `%s' UID from `%d' to `%d'",
|
|
|
|
pwent->pw_name, pwent->pw_uid, user_newid));
|
2007-10-07 17:14:02 +05:30
|
|
|
pwent->pw_uid = user_newid;
|
|
|
|
}
|
|
|
|
if (gflg) {
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"changing primary group", user_newname,
|
|
|
|
user_newid, 1);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO,
|
|
|
|
"change user `%s' GID from `%d' to `%d'",
|
|
|
|
pwent->pw_name, pwent->pw_gid, user_newgid));
|
2007-10-07 17:14:02 +05:30
|
|
|
pwent->pw_gid = user_newgid;
|
|
|
|
}
|
2007-10-07 17:17:01 +05:30
|
|
|
if (cflg) {
|
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog, "changing comment",
|
|
|
|
user_newname, user_newid, 1);
|
|
|
|
pwent->pw_gecos = user_newcomment;
|
|
|
|
#else
|
2007-10-07 17:14:02 +05:30
|
|
|
pwent->pw_gecos = user_comment;
|
2007-10-07 17:17:01 +05:30
|
|
|
#endif
|
|
|
|
}
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
if (dflg) {
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"changing home directory", user_newname,
|
|
|
|
user_newid, 1);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO,
|
|
|
|
"change user `%s' home from `%s' to `%s'",
|
|
|
|
pwent->pw_name, pwent->pw_dir, user_newhome));
|
2007-10-07 17:14:02 +05:30
|
|
|
pwent->pw_dir = user_newhome;
|
|
|
|
}
|
|
|
|
if (sflg) {
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog, "changing user shell",
|
|
|
|
user_newname, user_newid, 1);
|
|
|
|
SYSLOG ((LOG_INFO, "change user `%s' shell from `%s' to `%s'",
|
|
|
|
pwent->pw_name, pwent->pw_shell, user_newshell));
|
|
|
|
pwent->pw_shell = user_newshell;
|
|
|
|
#else
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO,
|
|
|
|
"change user `%s' shell from `%s' to `%s'",
|
|
|
|
pwent->pw_name, pwent->pw_shell, user_shell));
|
2007-10-07 17:14:02 +05:30
|
|
|
pwent->pw_shell = user_shell;
|
2007-10-07 17:17:01 +05:30
|
|
|
#endif
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* new_spent - initialize the values in a shadow password file entry
|
|
|
|
*
|
2007-10-07 17:14:59 +05:30
|
|
|
* new_spent() takes all of the values that have been entered and fills
|
|
|
|
* in a (struct spwd) with them.
|
2007-10-07 17:14:02 +05:30
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
static void new_spent (struct spwd *spent)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
|
|
|
if (lflg)
|
|
|
|
spent->sp_namp = xstrdup (user_newname);
|
|
|
|
|
|
|
|
if (fflg) {
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"changing inactive days", user_newname,
|
|
|
|
user_newid, 1);
|
|
|
|
SYSLOG ((LOG_INFO,
|
|
|
|
"change user `%s' inactive from `%ld' to `%ld'",
|
|
|
|
spent->sp_namp, spent->sp_inact, user_newinactive));
|
|
|
|
spent->sp_inact = user_newinactive;
|
|
|
|
#else
|
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO,
|
|
|
|
"change user `%s' inactive from `%ld' to `%ld'",
|
|
|
|
spent->sp_namp, spent->sp_inact, user_inactive));
|
2007-10-07 17:14:02 +05:30
|
|
|
spent->sp_inact = user_inactive;
|
2007-10-07 17:17:01 +05:30
|
|
|
#endif
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
if (eflg) {
|
|
|
|
/* XXX - dates might be better than numbers of days. --marekm */
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
if (audit_fd >= 0) {
|
|
|
|
time_t exp_t;
|
|
|
|
struct tm *exp_tm;
|
|
|
|
char new_exp[16], old_exp[16];
|
|
|
|
|
|
|
|
if (user_newexpire == -1)
|
|
|
|
new_exp[0] = '\0';
|
|
|
|
else {
|
|
|
|
exp_t = user_newexpire * DAY;
|
|
|
|
exp_tm = gmtime (&exp_t);
|
|
|
|
#ifdef HAVE_STRFTIME
|
|
|
|
strftime (new_exp, sizeof (new_exp), "%Y-%m-%d",
|
|
|
|
exp_tm);
|
|
|
|
#else
|
|
|
|
memset (new_exp, 0, sizeof (new_exp));
|
|
|
|
snprintf (new_exp, sizeof (new_exp) - 1,
|
|
|
|
"%04i-%02i-%02i",
|
|
|
|
exp_tm->tm_year + 1900,
|
|
|
|
exp_tm->tm_mon + 1, exp_tm->tm_mday);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
if (user_expire == -1)
|
|
|
|
old_exp[0] = '\0';
|
|
|
|
else {
|
|
|
|
exp_t = user_expire * DAY;
|
|
|
|
exp_tm = gmtime (&exp_t);
|
|
|
|
#ifdef HAVE_STRFTIME
|
|
|
|
strftime (old_exp, sizeof (old_exp), "%Y-%m-%d",
|
|
|
|
exp_tm);
|
|
|
|
#else
|
|
|
|
memset (old_exp, 0, sizeof (old_exp));
|
|
|
|
snprintf (old_exp, sizeof (old_exp) - 1,
|
|
|
|
"%04i-%02i-%02i",
|
|
|
|
exp_tm->tm_year + 1900,
|
|
|
|
exp_tm->tm_mon + 1, exp_tm->tm_mday);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"changing expiration date", user_newname,
|
|
|
|
user_newid, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
SYSLOG ((LOG_INFO,
|
|
|
|
"change user `%s' expiration from `%ld' to `%ld'",
|
|
|
|
spent->sp_namp, spent->sp_expire, user_newexpire));
|
|
|
|
spent->sp_expire = user_newexpire;
|
|
|
|
#else
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO,
|
|
|
|
"change user `%s' expiration from `%ld' to `%ld'",
|
|
|
|
spent->sp_namp, spent->sp_expire, user_expire));
|
2007-10-07 17:14:02 +05:30
|
|
|
spent->sp_expire = user_expire;
|
2007-10-07 17:17:01 +05:30
|
|
|
#endif
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:14:59 +05:30
|
|
|
spent->sp_pwdp = new_pw_passwd (spent->sp_pwdp, spent->sp_namp);
|
2007-10-07 17:16:52 +05:30
|
|
|
if (pflg)
|
|
|
|
spent->sp_lstchg = time ((time_t *) 0) / SCALE;
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* fail_exit - exit with an error code after unlocking files
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
static void fail_exit (int code)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
2007-11-17 17:12:47 +05:30
|
|
|
if (gr_locked)
|
|
|
|
gr_unlock ();
|
2007-10-07 17:14:02 +05:30
|
|
|
#ifdef SHADOWGRP
|
2007-11-17 17:12:47 +05:30
|
|
|
if (sgr_locked)
|
2007-10-07 17:14:02 +05:30
|
|
|
sgr_unlock ();
|
|
|
|
#endif
|
2007-11-17 17:12:47 +05:30
|
|
|
if (spw_locked)
|
2007-10-07 17:14:02 +05:30
|
|
|
spw_unlock ();
|
2007-11-17 17:12:47 +05:30
|
|
|
if (pw_locked)
|
|
|
|
pw_unlock ();
|
|
|
|
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog, "modifying account",
|
|
|
|
user_name, -1, 0);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
exit (code);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
|
|
|
|
|
2007-11-17 17:12:47 +05:30
|
|
|
static void update_group (void)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
|
|
|
int is_member;
|
|
|
|
int was_member;
|
|
|
|
int changed;
|
|
|
|
const struct group *grp;
|
|
|
|
struct group *ngrp;
|
|
|
|
|
|
|
|
changed = 0;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Scan through the entire group file looking for the groups that
|
|
|
|
* the user is a member of.
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
while ((grp = gr_next ())) {
|
2007-10-07 17:14:02 +05:30
|
|
|
/*
|
|
|
|
* See if the user specified this group as one of their
|
|
|
|
* concurrent groups.
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
was_member = is_on_list (grp->gr_mem, user_name);
|
|
|
|
is_member = Gflg && is_on_list (user_groups, grp->gr_name);
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
if (!was_member && !is_member)
|
|
|
|
continue;
|
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
ngrp = __gr_dup (grp);
|
2007-10-07 17:14:02 +05:30
|
|
|
if (!ngrp) {
|
2007-10-07 17:14:59 +05:30
|
|
|
fprintf (stderr,
|
2007-11-17 05:09:42 +05:30
|
|
|
_("%s: Out of memory. Cannot update the group database.\n"),
|
2007-10-07 17:14:59 +05:30
|
|
|
Prog);
|
2007-11-17 17:12:47 +05:30
|
|
|
fail_exit (E_GRP_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
|
|
|
|
if (was_member && (!Gflg || is_member)) {
|
|
|
|
if (lflg) {
|
2007-10-07 17:14:59 +05:30
|
|
|
ngrp->gr_mem = del_list (ngrp->gr_mem,
|
|
|
|
user_name);
|
|
|
|
ngrp->gr_mem = add_list (ngrp->gr_mem,
|
|
|
|
user_newname);
|
2007-10-07 17:14:02 +05:30
|
|
|
changed = 1;
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"changing group member",
|
|
|
|
user_newname, -1, 1);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO,
|
|
|
|
"change `%s' to `%s' in group `%s'",
|
|
|
|
user_name, user_newname,
|
|
|
|
ngrp->gr_name));
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:16:34 +05:30
|
|
|
} else if (was_member && !aflg && Gflg && !is_member) {
|
2007-10-07 17:14:02 +05:30
|
|
|
ngrp->gr_mem = del_list (ngrp->gr_mem, user_name);
|
|
|
|
changed = 1;
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"removing group member", user_name, -1,
|
|
|
|
1);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO, "delete `%s' from group `%s'",
|
|
|
|
user_name, ngrp->gr_name));
|
2007-10-07 17:14:02 +05:30
|
|
|
} else if (!was_member && Gflg && is_member) {
|
|
|
|
ngrp->gr_mem = add_list (ngrp->gr_mem,
|
2007-10-07 17:14:59 +05:30
|
|
|
lflg ? user_newname :
|
|
|
|
user_name);
|
2007-10-07 17:14:02 +05:30
|
|
|
changed = 1;
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"adding user to group", user_name, -1, 1);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO, "add `%s' to group `%s'",
|
|
|
|
lflg ? user_newname : user_name,
|
|
|
|
ngrp->gr_name));
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
if (!changed)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
changed = 0;
|
2007-10-07 17:14:59 +05:30
|
|
|
if (!gr_update (ngrp)) {
|
|
|
|
fprintf (stderr,
|
2007-10-07 17:16:07 +05:30
|
|
|
_("%s: error adding new group entry\n"), Prog);
|
2007-11-17 17:12:47 +05:30
|
|
|
SYSLOG ((LOG_ERR, "error adding new group entry"));
|
|
|
|
fail_exit (E_GRP_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef SHADOWGRP
|
2007-11-17 17:12:47 +05:30
|
|
|
static void update_gshadow (void)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
|
|
|
int is_member;
|
|
|
|
int was_member;
|
|
|
|
int was_admin;
|
|
|
|
int changed;
|
|
|
|
const struct sgrp *sgrp;
|
|
|
|
struct sgrp *nsgrp;
|
|
|
|
|
|
|
|
changed = 0;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Scan through the entire shadow group file looking for the groups
|
|
|
|
* that the user is a member of.
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
while ((sgrp = sgr_next ())) {
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
/*
|
|
|
|
* See if the user was a member of this group
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
was_member = is_on_list (sgrp->sg_mem, user_name);
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
/*
|
|
|
|
* See if the user was an administrator of this group
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
was_admin = is_on_list (sgrp->sg_adm, user_name);
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
/*
|
|
|
|
* See if the user specified this group as one of their
|
|
|
|
* concurrent groups.
|
|
|
|
*/
|
2007-10-07 17:16:07 +05:30
|
|
|
is_member = Gflg && is_on_list (user_groups, sgrp->sg_name);
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
if (!was_member && !was_admin && !is_member)
|
|
|
|
continue;
|
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
nsgrp = __sgr_dup (sgrp);
|
2007-10-07 17:14:02 +05:30
|
|
|
if (!nsgrp) {
|
2007-10-07 17:14:59 +05:30
|
|
|
fprintf (stderr,
|
2007-11-17 05:09:42 +05:30
|
|
|
_("%s: Out of memory. Cannot update the shadow group database.\n"),
|
2007-10-07 17:14:59 +05:30
|
|
|
Prog);
|
2007-11-17 17:12:47 +05:30
|
|
|
fail_exit (E_GRP_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
|
|
|
|
if (was_admin && lflg) {
|
2007-10-07 17:16:07 +05:30
|
|
|
nsgrp->sg_adm = del_list (nsgrp->sg_adm, user_name);
|
|
|
|
nsgrp->sg_adm = add_list (nsgrp->sg_adm, user_newname);
|
2007-10-07 17:14:02 +05:30
|
|
|
changed = 1;
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"changing admin name in shadow group",
|
|
|
|
user_name, -1, 1);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO,
|
|
|
|
"change admin `%s' to `%s' in shadow group `%s'",
|
|
|
|
user_name, user_newname, nsgrp->sg_name));
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
if (was_member && (!Gflg || is_member)) {
|
|
|
|
if (lflg) {
|
|
|
|
nsgrp->sg_mem = del_list (nsgrp->sg_mem,
|
2007-10-07 17:14:59 +05:30
|
|
|
user_name);
|
2007-10-07 17:14:02 +05:30
|
|
|
nsgrp->sg_mem = add_list (nsgrp->sg_mem,
|
2007-10-07 17:14:59 +05:30
|
|
|
user_newname);
|
2007-10-07 17:14:02 +05:30
|
|
|
changed = 1;
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"changing member in shadow group",
|
|
|
|
user_name, -1, 1);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO,
|
|
|
|
"change `%s' to `%s' in shadow group `%s'",
|
|
|
|
user_name, user_newname,
|
|
|
|
nsgrp->sg_name));
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:16:34 +05:30
|
|
|
} else if (was_member && !aflg && Gflg && !is_member) {
|
2007-10-07 17:16:07 +05:30
|
|
|
nsgrp->sg_mem = del_list (nsgrp->sg_mem, user_name);
|
2007-10-07 17:14:02 +05:30
|
|
|
changed = 1;
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"removing user from shadow group",
|
|
|
|
user_name, -1, 1);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO,
|
|
|
|
"delete `%s' from shadow group `%s'",
|
|
|
|
user_name, nsgrp->sg_name));
|
2007-10-07 17:14:02 +05:30
|
|
|
} else if (!was_member && Gflg && is_member) {
|
|
|
|
nsgrp->sg_mem = add_list (nsgrp->sg_mem,
|
2007-10-07 17:14:59 +05:30
|
|
|
lflg ? user_newname :
|
|
|
|
user_name);
|
2007-10-07 17:14:02 +05:30
|
|
|
changed = 1;
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"adding user to shadow group",
|
|
|
|
user_newname, -1, 1);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
SYSLOG ((LOG_INFO, "add `%s' to shadow group `%s'",
|
|
|
|
lflg ? user_newname : user_name,
|
|
|
|
nsgrp->sg_name));
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
if (!changed)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
changed = 0;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Update the group entry to reflect the changes.
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
if (!sgr_update (nsgrp)) {
|
|
|
|
fprintf (stderr,
|
2007-11-17 17:12:47 +05:30
|
|
|
_("%s: error adding new shadow group entry\n"), Prog);
|
2007-10-07 17:16:07 +05:30
|
|
|
SYSLOG ((LOG_ERR, "error adding shadow group entry"));
|
2007-11-17 17:12:47 +05:30
|
|
|
fail_exit (E_GRP_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2007-10-07 17:14:59 +05:30
|
|
|
#endif /* SHADOWGRP */
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
/*
|
|
|
|
* grp_update - add user to secondary group set
|
|
|
|
*
|
2007-10-07 17:14:59 +05:30
|
|
|
* grp_update() takes the secondary group set given in user_groups and
|
|
|
|
* adds the user to each group given by that set.
|
2007-10-07 17:14:02 +05:30
|
|
|
*/
|
2007-11-17 17:12:47 +05:30
|
|
|
static void grp_update (void)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
2007-11-17 17:12:47 +05:30
|
|
|
update_group ();
|
2007-10-07 17:14:02 +05:30
|
|
|
#ifdef SHADOWGRP
|
2007-11-17 17:12:47 +05:30
|
|
|
if (is_shadow_grp)
|
|
|
|
update_gshadow ();
|
2007-10-07 17:14:02 +05:30
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2007-10-07 17:17:57 +05:30
|
|
|
static long get_number (const char *numstr)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
|
|
|
long val;
|
2007-10-07 17:17:57 +05:30
|
|
|
char *errptr;
|
2007-10-07 17:14:59 +05:30
|
|
|
|
2007-10-07 17:17:57 +05:30
|
|
|
val = strtol (numstr, &errptr, 10);
|
|
|
|
if (*errptr || errno == ERANGE) {
|
|
|
|
fprintf (stderr, _("%s: invalid numeric argument '%s'\n"), Prog,
|
|
|
|
numstr);
|
|
|
|
exit (E_BAD_ARG);
|
|
|
|
}
|
|
|
|
return val;
|
2007-10-07 17:14:59 +05:30
|
|
|
}
|
|
|
|
|
2007-10-07 17:17:57 +05:30
|
|
|
static uid_t get_id (const char *uidstr)
|
2007-10-07 17:14:59 +05:30
|
|
|
{
|
2007-10-07 17:17:57 +05:30
|
|
|
long val;
|
|
|
|
char *errptr;
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2007-10-07 17:17:57 +05:30
|
|
|
val = strtol (uidstr, &errptr, 10);
|
|
|
|
if (*errptr || errno == ERANGE || val < 0) {
|
|
|
|
fprintf (stderr, _("%s: invalid numeric argument '%s'\n"), Prog,
|
|
|
|
uidstr);
|
|
|
|
exit (E_BAD_ARG);
|
|
|
|
}
|
|
|
|
return val;
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* process_flags - perform command line argument setting
|
|
|
|
*
|
2007-10-07 17:14:59 +05:30
|
|
|
* process_flags() interprets the command line arguments and sets the
|
|
|
|
* values that the user will be created with accordingly. The values
|
|
|
|
* are checked for sanity.
|
2007-10-07 17:14:02 +05:30
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
static void process_flags (int argc, char **argv)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
|
|
|
const struct group *grp;
|
|
|
|
const struct passwd *pwd;
|
2007-10-07 17:14:59 +05:30
|
|
|
|
2007-10-07 17:14:02 +05:30
|
|
|
const struct spwd *spwd = NULL;
|
2007-10-07 17:14:59 +05:30
|
|
|
int anyflag = 0;
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
if (argc == 1 || argv[argc - 1][0] == '-')
|
|
|
|
usage ();
|
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
if (!(pwd = getpwnam (argv[argc - 1]))) {
|
|
|
|
fprintf (stderr, _("%s: user %s does not exist\n"),
|
|
|
|
Prog, argv[argc - 1]);
|
|
|
|
exit (E_NOTFOUND);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:17:01 +05:30
|
|
|
|
2007-10-07 17:14:02 +05:30
|
|
|
user_name = argv[argc - 1];
|
2007-10-07 17:17:01 +05:30
|
|
|
user_id = pwd->pw_uid;
|
|
|
|
user_gid = pwd->pw_gid;
|
|
|
|
user_comment = xstrdup (pwd->pw_gecos);
|
|
|
|
user_home = xstrdup (pwd->pw_dir);
|
|
|
|
user_shell = xstrdup (pwd->pw_shell);
|
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
user_newname = user_name;
|
|
|
|
user_newid = user_id;
|
|
|
|
user_newgid = user_gid;
|
|
|
|
user_newcomment = user_comment;
|
|
|
|
user_newhome = user_home;
|
|
|
|
user_newshell = user_shell;
|
|
|
|
#endif
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
#ifdef USE_NIS
|
|
|
|
/*
|
|
|
|
* Now make sure it isn't an NIS user.
|
|
|
|
*/
|
|
|
|
if (__ispwNIS ()) {
|
2007-10-07 17:14:59 +05:30
|
|
|
char *nis_domain;
|
|
|
|
char *nis_master;
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
fprintf (stderr, _("%s: user %s is a NIS user\n"),
|
|
|
|
Prog, user_name);
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
if (!yp_get_default_domain (&nis_domain) &&
|
2007-10-07 17:16:07 +05:30
|
|
|
!yp_master (nis_domain, "passwd.byname", &nis_master)) {
|
2007-10-07 17:14:59 +05:30
|
|
|
fprintf (stderr, _("%s: %s is the NIS master\n"),
|
|
|
|
Prog, nis_master);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:14:59 +05:30
|
|
|
exit (E_NOTFOUND);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (is_shadow_pwd && (spwd = getspnam (user_name))) {
|
|
|
|
user_expire = spwd->sp_expire;
|
|
|
|
user_inactive = spwd->sp_inact;
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
user_newexpire = user_expire;
|
|
|
|
user_newinactive = user_inactive;
|
|
|
|
#endif
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:16:25 +05:30
|
|
|
|
2007-10-07 17:17:11 +05:30
|
|
|
{
|
|
|
|
/*
|
|
|
|
* Parse the command line options.
|
|
|
|
*/
|
|
|
|
int c;
|
|
|
|
static struct option long_options[] = {
|
2007-10-07 20:06:51 +05:30
|
|
|
{"append", no_argument, NULL, 'a'},
|
2007-10-07 17:17:11 +05:30
|
|
|
{"comment", required_argument, NULL, 'c'},
|
|
|
|
{"home", required_argument, NULL, 'd'},
|
|
|
|
{"expiredate", required_argument, NULL, 'e'},
|
|
|
|
{"inactive", required_argument, NULL, 'f'},
|
|
|
|
{"gid", required_argument, NULL, 'g'},
|
|
|
|
{"groups", required_argument, NULL, 'G'},
|
|
|
|
{"help", no_argument, NULL, 'h'},
|
|
|
|
{"login", required_argument, NULL, 'l'},
|
|
|
|
{"lock", no_argument, NULL, 'L'},
|
|
|
|
{"move-home", no_argument, NULL, 'm'},
|
|
|
|
{"non-unique", no_argument, NULL, 'o'},
|
|
|
|
{"password", required_argument, NULL, 'p'},
|
|
|
|
{"shell", required_argument, NULL, 's'},
|
|
|
|
{"uid", required_argument, NULL, 'u'},
|
|
|
|
{"unlock", no_argument, NULL, 'U'},
|
|
|
|
{NULL, 0, NULL, '\0'}
|
|
|
|
};
|
|
|
|
while ((c =
|
2007-10-07 17:17:57 +05:30
|
|
|
getopt_long (argc, argv, "ac:d:e:f:g:G:hl:Lmop:s:u:U",
|
2007-10-07 17:17:11 +05:30
|
|
|
long_options, NULL)) != -1) {
|
|
|
|
switch (c) {
|
|
|
|
case 'a':
|
|
|
|
aflg++;
|
|
|
|
break;
|
|
|
|
case 'c':
|
|
|
|
if (!VALID (optarg)) {
|
|
|
|
fprintf (stderr,
|
2007-10-07 17:17:33 +05:30
|
|
|
_("%s: invalid field '%s'\n"),
|
2007-10-07 17:17:11 +05:30
|
|
|
Prog, optarg);
|
|
|
|
exit (E_BAD_ARG);
|
|
|
|
}
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
2007-10-07 17:17:11 +05:30
|
|
|
user_newcomment = optarg;
|
2007-10-07 17:17:01 +05:30
|
|
|
#else
|
2007-10-07 17:17:11 +05:30
|
|
|
user_comment = optarg;
|
2007-10-07 17:17:01 +05:30
|
|
|
#endif
|
2007-10-07 17:17:11 +05:30
|
|
|
cflg++;
|
|
|
|
break;
|
|
|
|
case 'd':
|
|
|
|
if (!VALID (optarg)) {
|
2007-10-07 17:14:59 +05:30
|
|
|
fprintf (stderr,
|
2007-10-07 17:17:33 +05:30
|
|
|
_("%s: invalid field '%s'\n"),
|
2007-10-07 17:14:59 +05:30
|
|
|
Prog, optarg);
|
|
|
|
exit (E_BAD_ARG);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:17:11 +05:30
|
|
|
dflg++;
|
|
|
|
user_newhome = optarg;
|
|
|
|
break;
|
|
|
|
case 'e':
|
|
|
|
if (*optarg) {
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
2007-10-07 17:17:11 +05:30
|
|
|
user_newexpire = strtoday (optarg);
|
|
|
|
if (user_newexpire == -1) {
|
2007-10-07 17:17:01 +05:30
|
|
|
#else
|
2007-10-07 17:17:11 +05:30
|
|
|
user_expire = strtoday (optarg);
|
|
|
|
if (user_expire == -1) {
|
2007-10-07 17:17:01 +05:30
|
|
|
#endif
|
2007-10-07 17:17:11 +05:30
|
|
|
fprintf (stderr,
|
|
|
|
_
|
2007-10-07 17:17:33 +05:30
|
|
|
("%s: invalid date '%s'\n"),
|
2007-10-07 17:17:11 +05:30
|
|
|
Prog, optarg);
|
|
|
|
exit (E_BAD_ARG);
|
|
|
|
}
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
2007-10-07 17:17:11 +05:30
|
|
|
user_newexpire *= DAY / SCALE;
|
2007-10-07 17:17:01 +05:30
|
|
|
#else
|
2007-10-07 17:17:11 +05:30
|
|
|
user_expire *= DAY / SCALE;
|
2007-10-07 17:17:01 +05:30
|
|
|
#endif
|
2007-10-07 17:17:11 +05:30
|
|
|
} else
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
2007-10-07 17:17:11 +05:30
|
|
|
user_newexpire = -1;
|
2007-10-07 17:17:01 +05:30
|
|
|
#else
|
2007-10-07 17:17:11 +05:30
|
|
|
user_expire = -1;
|
2007-10-07 17:17:01 +05:30
|
|
|
#endif
|
2007-10-07 17:17:11 +05:30
|
|
|
eflg++;
|
|
|
|
break;
|
|
|
|
case 'f':
|
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
user_newinactive = get_number (optarg);
|
|
|
|
#else
|
|
|
|
user_inactive = get_number (optarg);
|
|
|
|
#endif
|
|
|
|
fflg++;
|
|
|
|
break;
|
|
|
|
case 'g':
|
|
|
|
grp = getgr_nam_gid (optarg);
|
|
|
|
if (!grp) {
|
|
|
|
fprintf (stderr,
|
|
|
|
_("%s: unknown group %s\n"),
|
|
|
|
Prog, optarg);
|
|
|
|
exit (E_NOTFOUND);
|
|
|
|
}
|
|
|
|
user_newgid = grp->gr_gid;
|
|
|
|
gflg++;
|
|
|
|
break;
|
|
|
|
case 'G':
|
|
|
|
if (get_groups (optarg))
|
|
|
|
exit (E_NOTFOUND);
|
|
|
|
Gflg++;
|
|
|
|
break;
|
|
|
|
case 'l':
|
|
|
|
if (!check_user_name (optarg)) {
|
|
|
|
fprintf (stderr,
|
2007-10-07 17:17:33 +05:30
|
|
|
_("%s: invalid field '%s'\n"),
|
2007-10-07 17:17:11 +05:30
|
|
|
Prog, optarg);
|
|
|
|
exit (E_BAD_ARG);
|
|
|
|
}
|
2007-10-07 17:14:32 +05:30
|
|
|
|
2007-10-07 17:17:11 +05:30
|
|
|
/*
|
|
|
|
* If the name does not really change, we mustn't
|
|
|
|
* set the flag as this will cause rather serious
|
|
|
|
* problems later!
|
|
|
|
*/
|
|
|
|
if (strcmp (user_name, optarg))
|
|
|
|
lflg++;
|
|
|
|
|
|
|
|
user_newname = optarg;
|
|
|
|
break;
|
|
|
|
case 'L':
|
|
|
|
Lflg++;
|
|
|
|
break;
|
|
|
|
case 'm':
|
|
|
|
mflg++;
|
|
|
|
break;
|
|
|
|
case 'o':
|
|
|
|
if (!uflg)
|
|
|
|
usage ();
|
|
|
|
|
|
|
|
oflg++;
|
|
|
|
break;
|
|
|
|
case 'p':
|
|
|
|
user_pass = optarg;
|
|
|
|
pflg++;
|
|
|
|
break;
|
|
|
|
case 's':
|
|
|
|
if (!VALID (optarg)) {
|
|
|
|
fprintf (stderr,
|
2007-10-07 17:17:33 +05:30
|
|
|
_("%s: invalid field '%s'\n"),
|
2007-10-07 17:17:11 +05:30
|
|
|
Prog, optarg);
|
|
|
|
exit (E_BAD_ARG);
|
|
|
|
}
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
2007-10-07 17:17:11 +05:30
|
|
|
user_newshell = optarg;
|
2007-10-07 17:17:01 +05:30
|
|
|
#else
|
2007-10-07 17:17:11 +05:30
|
|
|
user_shell = optarg;
|
2007-10-07 17:17:01 +05:30
|
|
|
#endif
|
2007-10-07 17:17:11 +05:30
|
|
|
sflg++;
|
|
|
|
break;
|
|
|
|
case 'u':
|
|
|
|
user_newid = get_id (optarg);
|
|
|
|
uflg++;
|
|
|
|
break;
|
|
|
|
case 'U':
|
|
|
|
Uflg++;
|
|
|
|
break;
|
|
|
|
default:
|
2007-10-07 17:14:32 +05:30
|
|
|
usage ();
|
2007-10-07 17:17:11 +05:30
|
|
|
}
|
|
|
|
anyflag++;
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
}
|
2007-10-07 17:17:11 +05:30
|
|
|
|
2007-10-07 17:14:02 +05:30
|
|
|
if (anyflag == 0) {
|
2007-10-07 17:14:59 +05:30
|
|
|
fprintf (stderr, _("%s: no flags given\n"), Prog);
|
|
|
|
exit (E_USAGE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
if (!is_shadow_pwd && (eflg || fflg)) {
|
2007-10-07 17:14:59 +05:30
|
|
|
fprintf (stderr,
|
|
|
|
_
|
|
|
|
("%s: shadow passwords required for -e and -f\n"),
|
|
|
|
Prog);
|
|
|
|
exit (E_USAGE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
|
|
|
|
if (optind != argc - 1)
|
|
|
|
usage ();
|
|
|
|
|
2007-10-07 17:16:34 +05:30
|
|
|
if (aflg && (!Gflg)) {
|
|
|
|
fprintf (stderr,
|
|
|
|
_("%s: -a flag is ONLY allowed with the -G flag\n"),
|
|
|
|
Prog);
|
|
|
|
usage ();
|
|
|
|
exit (E_USAGE);
|
|
|
|
}
|
|
|
|
|
2007-11-17 20:03:26 +05:30
|
|
|
if ((Lflg && (pflg || Uflg)) || (pflg && Uflg)) {
|
|
|
|
fprintf (stderr,
|
|
|
|
_("%s: the -L, -p, and -U flags are exclusive\n"),
|
|
|
|
Prog);
|
|
|
|
usage ();
|
|
|
|
exit (E_USAGE);
|
|
|
|
}
|
|
|
|
|
2007-11-17 19:51:05 +05:30
|
|
|
if (mflg && !dflg) {
|
|
|
|
fprintf (stderr,
|
|
|
|
_("%s: -m flag is ONLY allowed with the -d flag\n"),
|
|
|
|
Prog);
|
|
|
|
usage ();
|
|
|
|
exit (E_USAGE);
|
|
|
|
}
|
|
|
|
|
2007-10-07 17:14:02 +05:30
|
|
|
if (dflg && strcmp (user_home, user_newhome) == 0)
|
|
|
|
dflg = mflg = 0;
|
|
|
|
|
|
|
|
if (uflg && user_id == user_newid)
|
|
|
|
uflg = oflg = 0;
|
|
|
|
|
|
|
|
if (lflg && getpwnam (user_newname)) {
|
2007-10-07 17:16:07 +05:30
|
|
|
fprintf (stderr, _("%s: user %s exists\n"), Prog, user_newname);
|
2007-10-07 17:14:59 +05:30
|
|
|
exit (E_NAME_IN_USE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
if (uflg && !oflg && getpwuid (user_newid)) {
|
|
|
|
fprintf (stderr, _("%s: uid %lu is not unique\n"),
|
|
|
|
Prog, (unsigned long) user_newid);
|
|
|
|
exit (E_UID_IN_USE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* close_files - close all of the files that were opened
|
|
|
|
*
|
2007-10-07 17:14:59 +05:30
|
|
|
* close_files() closes all of the files that were opened for this new
|
|
|
|
* user. This causes any modified entries to be written out.
|
2007-10-07 17:14:02 +05:30
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
static void close_files (void)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
2007-10-07 17:14:59 +05:30
|
|
|
if (!pw_close ()) {
|
2007-10-07 17:16:07 +05:30
|
|
|
fprintf (stderr, _("%s: cannot rewrite password file\n"), Prog);
|
2007-10-07 17:14:59 +05:30
|
|
|
fail_exit (E_PW_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:14:59 +05:30
|
|
|
if (is_shadow_pwd && !spw_close ()) {
|
|
|
|
fprintf (stderr,
|
2007-10-07 17:16:07 +05:30
|
|
|
_("%s: cannot rewrite shadow password file\n"), Prog);
|
2007-10-07 17:14:59 +05:30
|
|
|
fail_exit (E_PW_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-11-17 17:12:47 +05:30
|
|
|
|
|
|
|
if (Gflg || lflg) {
|
|
|
|
if (!gr_close ()) {
|
|
|
|
fprintf (stderr, _("%s: cannot rewrite group file\n"),
|
|
|
|
Prog);
|
|
|
|
fail_exit (E_GRP_UPDATE);
|
|
|
|
}
|
|
|
|
#ifdef SHADOWGRP
|
|
|
|
if (is_shadow_grp && !sgr_close ()) {
|
|
|
|
fprintf (stderr,
|
|
|
|
_("%s: cannot rewrite shadow group file\n"),
|
|
|
|
Prog);
|
|
|
|
fail_exit (E_GRP_UPDATE);
|
|
|
|
}
|
|
|
|
if (is_shadow_grp)
|
|
|
|
sgr_unlock ();
|
|
|
|
#endif
|
|
|
|
gr_unlock ();
|
|
|
|
}
|
|
|
|
|
2007-10-07 17:14:02 +05:30
|
|
|
if (is_shadow_pwd)
|
|
|
|
spw_unlock ();
|
2007-11-17 17:12:47 +05:30
|
|
|
pw_unlock ();
|
|
|
|
|
|
|
|
pw_locked = 0;
|
|
|
|
spw_locked = 0;
|
|
|
|
gr_locked = 0;
|
|
|
|
sgr_locked = 0;
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
/*
|
|
|
|
* Close the DBM and/or flat files
|
|
|
|
*/
|
|
|
|
endpwent ();
|
|
|
|
endspent ();
|
|
|
|
endgrent ();
|
|
|
|
#ifdef SHADOWGRP
|
|
|
|
endsgent ();
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* open_files - lock and open the password files
|
|
|
|
*
|
|
|
|
* open_files() opens the two password files.
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
static void open_files (void)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
2007-10-07 17:14:59 +05:30
|
|
|
if (!pw_lock ()) {
|
2007-10-07 17:16:07 +05:30
|
|
|
fprintf (stderr, _("%s: unable to lock password file\n"), Prog);
|
2007-11-17 17:12:47 +05:30
|
|
|
fail_exit (E_PW_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-11-17 17:12:47 +05:30
|
|
|
pw_locked = 1;
|
2007-10-07 17:14:59 +05:30
|
|
|
if (!pw_open (O_RDWR)) {
|
2007-10-07 17:16:07 +05:30
|
|
|
fprintf (stderr, _("%s: unable to open password file\n"), Prog);
|
2007-10-07 17:14:59 +05:30
|
|
|
fail_exit (E_PW_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:14:59 +05:30
|
|
|
if (is_shadow_pwd && !spw_lock ()) {
|
|
|
|
fprintf (stderr,
|
2007-10-07 17:16:07 +05:30
|
|
|
_("%s: cannot lock shadow password file\n"), Prog);
|
2007-10-07 17:14:59 +05:30
|
|
|
fail_exit (E_PW_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-11-17 17:12:47 +05:30
|
|
|
spw_locked = 1;
|
2007-10-07 17:14:59 +05:30
|
|
|
if (is_shadow_pwd && !spw_open (O_RDWR)) {
|
|
|
|
fprintf (stderr,
|
2007-10-07 17:16:07 +05:30
|
|
|
_("%s: cannot open shadow password file\n"), Prog);
|
2007-10-07 17:14:59 +05:30
|
|
|
fail_exit (E_PW_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-11-17 17:12:47 +05:30
|
|
|
|
|
|
|
if (Gflg || lflg) {
|
|
|
|
/*
|
|
|
|
* Lock and open the group file. This will load all of the
|
|
|
|
* group entries.
|
|
|
|
*/
|
|
|
|
if (!gr_lock ()) {
|
|
|
|
fprintf (stderr, _("%s: error locking group file\n"),
|
|
|
|
Prog);
|
|
|
|
fail_exit (E_GRP_UPDATE);
|
|
|
|
}
|
|
|
|
gr_locked = 1;
|
|
|
|
if (!gr_open (O_RDWR)) {
|
|
|
|
fprintf (stderr, _("%s: error opening group file\n"),
|
|
|
|
Prog);
|
|
|
|
fail_exit (E_GRP_UPDATE);
|
|
|
|
}
|
|
|
|
#ifdef SHADOWGRP
|
|
|
|
if (is_shadow_grp && !sgr_lock ()) {
|
|
|
|
fprintf (stderr,
|
|
|
|
_("%s: error locking shadow group file\n"),
|
|
|
|
Prog);
|
|
|
|
fail_exit (E_GRP_UPDATE);
|
|
|
|
}
|
|
|
|
sgr_locked = 1;
|
|
|
|
if (is_shadow_grp && !sgr_open (O_RDWR)) {
|
|
|
|
fprintf (stderr,
|
|
|
|
_("%s: error opening shadow group file\n"),
|
|
|
|
Prog);
|
|
|
|
fail_exit (E_GRP_UPDATE);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* usr_update - create the user entries
|
|
|
|
*
|
2007-10-07 17:14:59 +05:30
|
|
|
* usr_update() creates the password file entries for this user and
|
|
|
|
* will update the group entries if required.
|
2007-10-07 17:14:02 +05:30
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
static void usr_update (void)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
|
|
|
struct passwd pwent;
|
|
|
|
const struct passwd *pwd;
|
2007-10-07 17:14:59 +05:30
|
|
|
|
2007-10-07 17:14:02 +05:30
|
|
|
struct spwd spent;
|
|
|
|
const struct spwd *spwd = NULL;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Locate the entry in /etc/passwd, which MUST exist.
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
pwd = pw_locate (user_name);
|
2007-10-07 17:14:02 +05:30
|
|
|
if (!pwd) {
|
2007-10-07 17:14:59 +05:30
|
|
|
fprintf (stderr, _("%s: %s not found in /etc/passwd\n"),
|
|
|
|
Prog, user_name);
|
|
|
|
fail_exit (E_NOTFOUND);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
pwent = *pwd;
|
|
|
|
new_pwent (&pwent);
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
2007-10-07 17:14:59 +05:30
|
|
|
* Locate the entry in /etc/shadow. It doesn't have to exist, and
|
|
|
|
* won't be created if it doesn't.
|
2007-10-07 17:14:02 +05:30
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
if (is_shadow_pwd && (spwd = spw_locate (user_name))) {
|
2007-10-07 17:14:02 +05:30
|
|
|
spent = *spwd;
|
|
|
|
new_spent (&spent);
|
|
|
|
}
|
|
|
|
|
2007-10-07 17:15:23 +05:30
|
|
|
if (lflg || uflg || gflg || cflg || dflg || sflg || pflg
|
2007-10-07 17:14:59 +05:30
|
|
|
|| Lflg || Uflg) {
|
|
|
|
if (!pw_update (&pwent)) {
|
|
|
|
fprintf (stderr,
|
|
|
|
_("%s: error changing password entry\n"),
|
|
|
|
Prog);
|
|
|
|
fail_exit (E_PW_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:14:59 +05:30
|
|
|
if (lflg && !pw_remove (user_name)) {
|
|
|
|
fprintf (stderr,
|
|
|
|
_("%s: error removing password entry\n"),
|
|
|
|
Prog);
|
|
|
|
fail_exit (E_PW_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
}
|
2007-10-07 17:15:23 +05:30
|
|
|
if (spwd && (lflg || eflg || fflg || pflg || Lflg || Uflg)) {
|
2007-10-07 17:14:59 +05:30
|
|
|
if (!spw_update (&spent)) {
|
|
|
|
fprintf (stderr,
|
|
|
|
_
|
|
|
|
("%s: error adding new shadow password entry\n"),
|
|
|
|
Prog);
|
|
|
|
fail_exit (E_PW_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:14:59 +05:30
|
|
|
if (lflg && !spw_remove (user_name)) {
|
|
|
|
fprintf (stderr,
|
|
|
|
_
|
|
|
|
("%s: error removing shadow password entry\n"),
|
|
|
|
Prog);
|
|
|
|
fail_exit (E_PW_UPDATE);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* move_home - move the user's home directory
|
|
|
|
*
|
2007-10-07 17:14:59 +05:30
|
|
|
* move_home() moves the user's home directory to a new location. The
|
|
|
|
* files will be copied if the directory cannot simply be renamed.
|
2007-10-07 17:14:02 +05:30
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
static void move_home (void)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
2007-10-07 17:14:59 +05:30
|
|
|
struct stat sb;
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
if (mflg && stat (user_home, &sb) == 0) {
|
|
|
|
/*
|
|
|
|
* Don't try to move it if it is not a directory
|
|
|
|
* (but /dev/null for example). --marekm
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
if (!S_ISDIR (sb.st_mode))
|
2007-10-07 17:14:02 +05:30
|
|
|
return;
|
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
if (access (user_newhome, F_OK) == 0) {
|
|
|
|
fprintf (stderr, _("%s: directory %s exists\n"),
|
|
|
|
Prog, user_newhome);
|
|
|
|
fail_exit (E_HOMEDIR);
|
2007-10-07 17:14:02 +05:30
|
|
|
} else if (rename (user_home, user_newhome)) {
|
|
|
|
if (errno == EXDEV) {
|
2007-10-07 17:16:07 +05:30
|
|
|
if (mkdir (user_newhome, sb.st_mode & 0777)) {
|
2007-10-07 17:14:59 +05:30
|
|
|
fprintf (stderr,
|
|
|
|
_
|
|
|
|
("%s: can't create %s\n"),
|
|
|
|
Prog, user_newhome);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:16:07 +05:30
|
|
|
if (chown (user_newhome, sb.st_uid, sb.st_gid)) {
|
2007-10-07 17:14:59 +05:30
|
|
|
fprintf (stderr,
|
|
|
|
_("%s: can't chown %s\n"),
|
|
|
|
Prog, user_newhome);
|
2007-10-07 17:14:02 +05:30
|
|
|
rmdir (user_newhome);
|
2007-10-07 17:14:59 +05:30
|
|
|
fail_exit (E_HOMEDIR);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
if (copy_tree (user_home, user_newhome,
|
2007-10-07 17:14:59 +05:30
|
|
|
uflg ? user_newid : -1,
|
2007-10-07 17:16:25 +05:30
|
|
|
gflg ? user_newgid : -1) == 0) {
|
|
|
|
if (remove_tree (user_home) != 0 ||
|
|
|
|
rmdir (user_home) != 0)
|
|
|
|
fprintf (stderr,
|
|
|
|
_
|
|
|
|
("%s: warning: failed to completely remove old home directory %s"),
|
|
|
|
Prog, user_home);
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK,
|
|
|
|
Prog,
|
|
|
|
"moving home directory",
|
|
|
|
user_newname, user_newid,
|
|
|
|
1);
|
|
|
|
#endif
|
2007-10-07 17:14:02 +05:30
|
|
|
return;
|
2007-10-07 17:16:25 +05:30
|
|
|
}
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
(void) remove_tree (user_newhome);
|
|
|
|
(void) rmdir (user_newhome);
|
|
|
|
}
|
2007-10-07 17:14:59 +05:30
|
|
|
fprintf (stderr,
|
|
|
|
_
|
|
|
|
("%s: cannot rename directory %s to %s\n"),
|
|
|
|
Prog, user_home, user_newhome);
|
|
|
|
fail_exit (E_HOMEDIR);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"moving home directory", user_newname, user_newid,
|
|
|
|
1);
|
|
|
|
#endif
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:17:01 +05:30
|
|
|
if (uflg || gflg) {
|
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"changing home directory owner", user_newname,
|
|
|
|
user_newid, 1);
|
|
|
|
#endif
|
2007-10-07 17:14:59 +05:30
|
|
|
chown (dflg ? user_newhome : user_home,
|
|
|
|
uflg ? user_newid : user_id,
|
|
|
|
gflg ? user_newgid : user_gid);
|
2007-10-07 17:17:01 +05:30
|
|
|
}
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* update_files - update the lastlog and faillog files
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
static void update_files (void)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
2007-10-07 17:14:59 +05:30
|
|
|
struct lastlog ll;
|
|
|
|
struct faillog fl;
|
|
|
|
int fd;
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
/*
|
2007-10-07 17:14:59 +05:30
|
|
|
* Relocate the "lastlog" entries for the user. The old entry is
|
|
|
|
* left alone in case the UID was shared. It doesn't hurt anything
|
|
|
|
* to just leave it be.
|
2007-10-07 17:14:02 +05:30
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
if ((fd = open (LASTLOG_FILE, O_RDWR)) != -1) {
|
|
|
|
lseek (fd, (off_t) user_id * sizeof ll, SEEK_SET);
|
|
|
|
if (read (fd, (char *) &ll, sizeof ll) == sizeof ll) {
|
2007-10-07 17:16:07 +05:30
|
|
|
lseek (fd, (off_t) user_newid * sizeof ll, SEEK_SET);
|
2007-10-07 17:14:59 +05:30
|
|
|
write (fd, (char *) &ll, sizeof ll);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:14:59 +05:30
|
|
|
close (fd);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Relocate the "faillog" entries in the same manner.
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
if ((fd = open (FAILLOG_FILE, O_RDWR)) != -1) {
|
|
|
|
lseek (fd, (off_t) user_id * sizeof fl, SEEK_SET);
|
|
|
|
if (read (fd, (char *) &fl, sizeof fl) == sizeof fl) {
|
2007-10-07 17:16:07 +05:30
|
|
|
lseek (fd, (off_t) user_newid * sizeof fl, SEEK_SET);
|
2007-10-07 17:14:59 +05:30
|
|
|
write (fd, (char *) &fl, sizeof fl);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
2007-10-07 17:14:59 +05:30
|
|
|
close (fd);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifndef NO_MOVE_MAILBOX
|
|
|
|
/*
|
|
|
|
* This is the new and improved code to carefully chown/rename the user's
|
2007-10-07 17:14:59 +05:30
|
|
|
* mailbox. Maybe I am too paranoid but the mail spool dir sometimes
|
2007-10-07 17:14:02 +05:30
|
|
|
* happens to be mode 1777 (this makes mail user agents work without
|
|
|
|
* being setgid mail, but is NOT recommended; they all should be fixed
|
|
|
|
* to use movemail). --marekm
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
static void move_mailbox (void)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
|
|
|
const char *maildir;
|
|
|
|
char mailfile[1024], newmailfile[1024];
|
|
|
|
int fd;
|
|
|
|
struct stat st;
|
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
maildir = getdef_str ("MAIL_DIR");
|
2007-10-07 17:14:02 +05:30
|
|
|
#ifdef MAIL_SPOOL_DIR
|
2007-10-07 17:14:59 +05:30
|
|
|
if (!maildir && !getdef_str ("MAIL_FILE"))
|
2007-10-07 17:14:02 +05:30
|
|
|
maildir = MAIL_SPOOL_DIR;
|
|
|
|
#endif
|
|
|
|
if (!maildir)
|
|
|
|
return;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* O_NONBLOCK is to make sure open won't hang on mandatory locks.
|
|
|
|
* We do fstat/fchown to make sure there are no races (someone
|
|
|
|
* replacing /var/spool/mail/luser with a hard link to /etc/passwd
|
|
|
|
* between stat and chown). --marekm
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
snprintf (mailfile, sizeof mailfile, "%s/%s", maildir, user_name);
|
|
|
|
fd = open (mailfile, O_RDONLY | O_NONBLOCK, 0);
|
2007-10-07 17:14:02 +05:30
|
|
|
if (fd < 0) {
|
|
|
|
/* no need for warnings if the mailbox doesn't exist */
|
|
|
|
if (errno != ENOENT)
|
2007-10-07 17:14:59 +05:30
|
|
|
perror (mailfile);
|
2007-10-07 17:14:02 +05:30
|
|
|
return;
|
|
|
|
}
|
2007-10-07 17:14:59 +05:30
|
|
|
if (fstat (fd, &st) < 0) {
|
|
|
|
perror ("fstat");
|
|
|
|
close (fd);
|
2007-10-07 17:14:02 +05:30
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (st.st_uid != user_id) {
|
|
|
|
/* better leave it alone */
|
2007-10-07 17:14:59 +05:30
|
|
|
fprintf (stderr, _("%s: warning: %s not owned by %s\n"),
|
|
|
|
Prog, mailfile, user_name);
|
|
|
|
close (fd);
|
2007-10-07 17:14:02 +05:30
|
|
|
return;
|
|
|
|
}
|
2007-10-07 17:17:01 +05:30
|
|
|
if (uflg) {
|
|
|
|
if (fchown (fd, user_newid, (gid_t) - 1) < 0) {
|
|
|
|
perror (_("failed to change mailbox owner"));
|
|
|
|
}
|
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
else {
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"changing mail file owner", user_newname,
|
|
|
|
user_newid, 1);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
close (fd);
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
if (lflg) {
|
2007-10-07 17:14:59 +05:30
|
|
|
snprintf (newmailfile, sizeof newmailfile, "%s/%s",
|
|
|
|
maildir, user_newname);
|
2007-10-07 17:17:01 +05:30
|
|
|
if (link (mailfile, newmailfile) || unlink (mailfile)) {
|
2007-10-07 17:14:59 +05:30
|
|
|
perror (_("failed to rename mailbox"));
|
2007-10-07 17:17:01 +05:30
|
|
|
}
|
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
else {
|
|
|
|
audit_logger (AUDIT_USER_CHAUTHTOK, Prog,
|
|
|
|
"changing mail file name", user_newname,
|
|
|
|
user_newid, 1);
|
|
|
|
}
|
|
|
|
#endif
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/*
|
|
|
|
* main - usermod command
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
int main (int argc, char **argv)
|
2007-10-07 17:14:02 +05:30
|
|
|
{
|
2007-10-07 17:14:38 +05:30
|
|
|
#ifdef USE_PAM
|
|
|
|
pam_handle_t *pamh = NULL;
|
|
|
|
struct passwd *pampw;
|
|
|
|
int retval;
|
|
|
|
#endif
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2007-10-07 17:17:01 +05:30
|
|
|
#ifdef WITH_AUDIT
|
|
|
|
audit_help_open ();
|
|
|
|
#endif
|
|
|
|
|
2007-10-07 17:14:02 +05:30
|
|
|
/*
|
|
|
|
* Get my name so that I can use it to report errors.
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
Prog = Basename (argv[0]);
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
setlocale (LC_ALL, "");
|
|
|
|
bindtextdomain (PACKAGE, LOCALEDIR);
|
|
|
|
textdomain (PACKAGE);
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2007-10-07 17:15:40 +05:30
|
|
|
sys_ngroups = sysconf (_SC_NGROUPS_MAX);
|
|
|
|
user_groups = malloc ((1 + sys_ngroups) * sizeof (char *));
|
|
|
|
user_groups[0] = (char *) 0;
|
|
|
|
|
2007-10-07 17:16:07 +05:30
|
|
|
OPENLOG ("usermod");
|
2007-10-07 17:15:40 +05:30
|
|
|
|
|
|
|
is_shadow_pwd = spw_file_present ();
|
|
|
|
#ifdef SHADOWGRP
|
|
|
|
is_shadow_grp = sgr_file_present ();
|
|
|
|
#endif
|
|
|
|
|
|
|
|
process_flags (argc, argv);
|
|
|
|
|
2007-10-07 17:14:38 +05:30
|
|
|
#ifdef USE_PAM
|
|
|
|
retval = PAM_SUCCESS;
|
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
pampw = getpwuid (getuid ());
|
2007-10-07 17:14:38 +05:30
|
|
|
if (pampw == NULL) {
|
|
|
|
retval = PAM_USER_UNKNOWN;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (retval == PAM_SUCCESS) {
|
2007-10-07 17:16:07 +05:30
|
|
|
retval = pam_start ("usermod", pampw->pw_name, &conv, &pamh);
|
2007-10-07 17:14:38 +05:30
|
|
|
}
|
|
|
|
|
|
|
|
if (retval == PAM_SUCCESS) {
|
2007-10-07 17:14:59 +05:30
|
|
|
retval = pam_authenticate (pamh, 0);
|
2007-10-07 17:14:38 +05:30
|
|
|
if (retval != PAM_SUCCESS) {
|
2007-10-07 17:14:59 +05:30
|
|
|
pam_end (pamh, retval);
|
2007-10-07 17:14:38 +05:30
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (retval == PAM_SUCCESS) {
|
2007-10-07 17:14:59 +05:30
|
|
|
retval = pam_acct_mgmt (pamh, 0);
|
2007-10-07 17:14:38 +05:30
|
|
|
if (retval != PAM_SUCCESS) {
|
2007-10-07 17:14:59 +05:30
|
|
|
pam_end (pamh, retval);
|
2007-10-07 17:14:38 +05:30
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (retval != PAM_SUCCESS) {
|
2007-10-07 17:16:07 +05:30
|
|
|
fprintf (stderr, _("%s: PAM authentication failed\n"), Prog);
|
2007-10-07 17:14:38 +05:30
|
|
|
exit (1);
|
|
|
|
}
|
2007-10-07 17:15:40 +05:30
|
|
|
#endif /* USE_PAM */
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
/*
|
|
|
|
* Do the hard stuff - open the files, change the user entries,
|
|
|
|
* change the home directory, then close and update the files.
|
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
open_files ();
|
|
|
|
usr_update ();
|
2007-10-07 17:14:02 +05:30
|
|
|
if (Gflg || lflg)
|
2007-11-17 17:12:47 +05:30
|
|
|
grp_update ();
|
|
|
|
close_files ();
|
2007-10-07 17:14:02 +05:30
|
|
|
|
2007-11-17 04:59:41 +05:30
|
|
|
nscd_flush_cache ("passwd");
|
|
|
|
nscd_flush_cache ("group");
|
|
|
|
|
2007-10-07 17:14:02 +05:30
|
|
|
if (mflg)
|
2007-10-07 17:14:59 +05:30
|
|
|
move_home ();
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
#ifndef NO_MOVE_MAILBOX
|
|
|
|
if (lflg || uflg)
|
2007-10-07 17:14:59 +05:30
|
|
|
move_mailbox ();
|
2007-10-07 17:14:02 +05:30
|
|
|
#endif
|
|
|
|
|
|
|
|
if (uflg) {
|
2007-10-07 17:14:59 +05:30
|
|
|
update_files ();
|
2007-10-07 17:14:02 +05:30
|
|
|
|
|
|
|
/*
|
2007-10-07 17:14:59 +05:30
|
|
|
* Change the UID on all of the files owned by `user_id' to
|
|
|
|
* `user_newid' in the user's home directory.
|
2007-10-07 17:14:02 +05:30
|
|
|
*/
|
2007-10-07 17:14:59 +05:30
|
|
|
chown_tree (dflg ? user_newhome : user_home,
|
|
|
|
user_id, user_newid,
|
|
|
|
user_gid, gflg ? user_newgid : user_gid);
|
2007-10-07 17:14:02 +05:30
|
|
|
}
|
|
|
|
|
2007-10-07 17:14:38 +05:30
|
|
|
#ifdef USE_PAM
|
|
|
|
if (retval == PAM_SUCCESS)
|
2007-10-07 17:14:59 +05:30
|
|
|
pam_end (pamh, PAM_SUCCESS);
|
|
|
|
#endif /* USE_PAM */
|
2007-10-07 17:14:38 +05:30
|
|
|
|
2007-10-07 17:14:59 +05:30
|
|
|
exit (E_SUCCESS);
|
2007-10-07 17:15:23 +05:30
|
|
|
/* NOT REACHED */
|
|
|
|
}
|