oamuser/user/userdel.c

	userdel.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*  Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*    All Rights Reserved   */


/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <ctype.h>
#include <limits.h>
#include <pwd.h>
#include <project.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <userdefs.h>
#include <stdlib.h>
#include <errno.h>
#include "users.h"
#include "messages.h"
#include "funcs.h"

/*******************************************************************************
 *  userdel [-r] login
 *
 *  This command deletes user logins.  Arguments are:
 *
 *  -r - when given, this option removes home directory & its contents
 *
 *  login - a string of printable chars except colon (:)
 ******************************************************************************/

extern char *prerrno();
extern int check_perm(), isbusy();
extern int rm_files(), call_passmgmt(), edit_group();

extern char *optarg;        /* used by getopt */
extern int optind, opterr;  /* used by getopt */

static char *logname;           /* login name to delete */
static char *nargv[20];     /* arguments for execvp of passmgmt */

char *cmdname;

int
main(int argc, char **argv)
{
    int ch, ret = 0, rflag = 0, argindex, tries;
    struct passwd *pstruct;
    struct stat statbuf;
#ifndef att
    FILE *pwf;      /* fille ptr for opened passwd file */
#endif
    char *usertype = NULL;
    int rc;

    cmdname = argv[0];

    if( geteuid() != 0 ) {
        errmsg( M_PERM_DENIED );
        exit( EX_NO_PERM );
    }

    opterr = 0;         /* no print errors from getopt */
    usertype = getusertype(argv[0]);

    while( (ch = getopt(argc, argv, "r")) != EOF ) {
        switch(ch) {
            case 'r':
                rflag++;
                break;
            case '?':
                if (is_role(usertype))
                    errmsg( M_DRUSAGE );
                else
                    errmsg( M_DUSAGE );
                exit( EX_SYNTAX );
        }
    }

    if( optind != argc - 1 ) {
        if (is_role(usertype))
            errmsg( M_DRUSAGE );
        else
            errmsg( M_DUSAGE );
        exit( EX_SYNTAX );
    }

    logname = argv[optind];

#ifdef att
    pstruct = getpwnam(logname);
#else
    /*
     * Do this with fgetpwent to make sure we are only looking on local
     * system (since passmgmt only works on local system).
     */
    if ((pwf = fopen("/etc/passwd", "r")) == NULL) {
        errmsg( M_OOPS, "open", "/etc/passwd");
        exit(EX_FAILURE);
    }
    while ((pstruct = fgetpwent(pwf)) != NULL)
        if (strcmp(pstruct->pw_name, logname) == 0)
            break;

    fclose(pwf);
#endif

    if (pstruct == NULL) {
        errmsg( M_EXIST, logname );
        exit( EX_NAME_NOT_EXIST );
    }

    if( isbusy(logname) ) {
        errmsg( M_BUSY, logname, "remove" );
        exit( EX_BUSY );
    }

    /* that's it for validations - now do the work */
    /* set up arguments to  passmgmt in nargv array */
    nargv[0] = "passmgmt";
    nargv[1] = "-d";    /* delete */
    argindex = 2;       /* next argument */

    /* finally - login name */
    nargv[argindex++] = logname;

    /* set the last to null */
    nargv[argindex++] = NULL;

    /* remove home directory */
    if( rflag ) {
        /* Check Permissions */
        if( stat( pstruct->pw_dir, &statbuf ) ) {
            errmsg( M_OOPS, "find status about home directory",
                prerrno( errno ) );
            exit( EX_HOMEDIR );
        }

        if( check_perm( statbuf, pstruct->pw_uid, pstruct->pw_gid,
            S_IWOTH|S_IXOTH ) != 0 ) {
            errmsg( M_NO_PERM, logname, pstruct->pw_dir );
            exit( EX_HOMEDIR );
        }

        if( rm_files(pstruct->pw_dir, logname) != EX_SUCCESS )
            exit( EX_HOMEDIR );
    }

    /* now call passmgmt */
    ret = PEX_FAILED;
    for( tries = 3; ret != PEX_SUCCESS && tries--; ) {
        switch( ret = call_passmgmt( nargv ) ) {
        case PEX_SUCCESS:
            ret = edit_group( logname, (char *)0, (int **)0, 1 );
            if( ret != EX_SUCCESS )
                errmsg( M_UPDATE, "deleted" );
            break;

        case PEX_BUSY:
            break;

        case PEX_HOSED_FILES:
            errmsg( M_HOSED_FILES );
            exit( EX_INCONSISTENT );
            break;

        case PEX_SYNTAX:
        case PEX_BADARG:
            /* should NEVER occur that passmgmt usage is wrong */
            if (is_role(usertype))
                errmsg( M_DRUSAGE );
            else
                errmsg( M_DUSAGE );
            exit( EX_SYNTAX );
            break;

        case PEX_BADUID:
            /* uid is used - shouldn't happen but print message anyway */
            errmsg( M_UID_USED, pstruct->pw_uid );
            exit( EX_ID_EXISTS );
            break;

        case PEX_BADNAME:
            /* invalid loname */
            errmsg( M_USED, logname);
            exit( EX_NAME_EXISTS );
            break;

        default:
            errmsg( M_UPDATE, "deleted" );
            exit( ret );
            break;
        }
    }
    if( tries == 0 )
        errmsg( M_UPDATE, "deleted" );

/*
 * Now, remove this user from all project entries
 */

    rc = edit_project(logname, (char *)0, (projid_t **)0, 1);
    if (rc != EX_SUCCESS) {
        errmsg(M_UPDATE, "modified");
        exit(rc);
    }

    exit( ret );
    /*NOTREACHED*/
}