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Annotation of src/usr.bin/passwd/passwd.c, Revision 1.27

1.27    ! deraadt     1: /*     $OpenBSD: passwd.c,v 1.26 2014/05/19 15:05:13 tedu Exp $        */
1.4       deraadt     2:
1.1       deraadt     3: /*
                      4:  * Copyright (c) 1988 The Regents of the University of California.
                      5:  * All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
1.16      millert    15:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    16:  *    may be used to endorse or promote products derived from this software
                     17:  *    without specific prior written permission.
                     18:  *
                     19:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     20:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     21:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     22:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     23:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     24:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     25:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     26:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     27:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     28:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     29:  * SUCH DAMAGE.
                     30:  */
                     31:
                     32: #include <stdio.h>
1.17      david      33: #include <stdlib.h>
1.1       deraadt    34: #include <string.h>
                     35: #include <unistd.h>
1.12      millert    36: #include <err.h>
1.1       deraadt    37:
1.9       millert    38: extern int local_passwd(char *, int);
1.15      deraadt    39: void usage(int retval);
1.6       weingart   40:
                     41: int
1.15      deraadt    42: main(int argc, char **argv)
1.1       deraadt    43: {
                     44:        extern int optind;
1.15      deraadt    45:        char *username;
1.13      mpech      46:        int ch;
1.1       deraadt    47:
1.6       weingart   48:        /* Process args and options */
1.27    ! deraadt    49:        while ((ch = getopt(argc, argv, "")) != -1)
1.1       deraadt    50:                switch (ch) {
                     51:                default:
1.8       ericj      52:                        usage(1);
1.1       deraadt    53:                }
                     54:
                     55:        argc -= optind;
                     56:        argv += optind;
                     57:
                     58:        username = getlogin();
                     59:        if (username == NULL) {
                     60:                fprintf(stderr, "passwd: who are you ??\n");
                     61:                exit(1);
                     62:        }
1.15      deraadt    63:
                     64:        switch (argc) {
1.1       deraadt    65:        case 0:
                     66:                break;
                     67:        case 1:
                     68:                username = argv[0];
                     69:                break;
                     70:        default:
1.8       ericj      71:                usage(1);
1.1       deraadt    72:        }
1.7       art        73:
1.24      cloder     74:        exit(local_passwd(username, 0));
1.1       deraadt    75: }
                     76:
1.6       weingart   77: void
1.15      deraadt    78: usage(int retval)
1.1       deraadt    79: {
1.27    ! deraadt    80:        fprintf(stderr, "usage: passwd [user]\n");
1.8       ericj      81:        exit(retval);
1.1       deraadt    82: }