Annotation of src/usr.bin/passwd/passwd.c, Revision 1.1
1.1 ! deraadt 1: /*
! 2: * Copyright (c) 1988 The Regents of the University of California.
! 3: * All rights reserved.
! 4: *
! 5: * Redistribution and use in source and binary forms, with or without
! 6: * modification, are permitted provided that the following conditions
! 7: * are met:
! 8: * 1. Redistributions of source code must retain the above copyright
! 9: * notice, this list of conditions and the following disclaimer.
! 10: * 2. Redistributions in binary form must reproduce the above copyright
! 11: * notice, this list of conditions and the following disclaimer in the
! 12: * documentation and/or other materials provided with the distribution.
! 13: * 3. All advertising materials mentioning features or use of this software
! 14: * must display the following acknowledgement:
! 15: * This product includes software developed by the University of
! 16: * California, Berkeley and its contributors.
! 17: * 4. Neither the name of the University nor the names of its contributors
! 18: * may be used to endorse or promote products derived from this software
! 19: * without specific prior written permission.
! 20: *
! 21: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 24: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 31: * SUCH DAMAGE.
! 32: */
! 33:
! 34: #ifndef lint
! 35: char copyright[] =
! 36: "@(#) Copyright (c) 1988 The Regents of the University of California.\n\
! 37: All rights reserved.\n";
! 38: #endif /* not lint */
! 39:
! 40: #ifndef lint
! 41: /*static char sccsid[] = "from: @(#)passwd.c 5.5 (Berkeley) 7/6/91";*/
! 42: static char rcsid[] = "$Id: passwd.c,v 1.7 1995/02/12 17:45:56 phil Exp $";
! 43: #endif /* not lint */
! 44:
! 45: #include <stdio.h>
! 46: #include <string.h>
! 47: #include <unistd.h>
! 48:
! 49: /*
! 50: * Note on configuration:
! 51: * Generally one would not use both Kerberos and YP
! 52: * to maintain passwords.
! 53: *
! 54: */
! 55:
! 56: int use_kerberos;
! 57: int use_yp;
! 58:
! 59: #ifdef YP
! 60: int force_yp;
! 61: #endif
! 62:
! 63: main(argc, argv)
! 64: int argc;
! 65: char **argv;
! 66: {
! 67: extern int optind;
! 68: register int ch;
! 69: char *username;
! 70: int status = 0;
! 71: char *basename;
! 72:
! 73: #if defined(KERBEROS) || defined(KERBEROS5)
! 74: use_kerberos = 1;
! 75: #endif
! 76: #ifdef YP
! 77: use_yp = _yp_check(NULL);
! 78: #endif
! 79:
! 80: basename = strrchr(argv[0], '/');
! 81: if (basename == NULL)
! 82: basename = argv[0];
! 83: if (strcmp(basename, "yppasswd") == 0) {
! 84: #ifdef YP
! 85: if (!use_yp) {
! 86: fprintf(stderr, "yppasswd: YP not in use.\n");
! 87: exit (1);
! 88: }
! 89: use_kerberos = 0;
! 90: use_yp = 1;
! 91: force_yp = 1;
! 92: #else
! 93: fprintf(stderr, "yppasswd: YP not compiled in\n");
! 94: exit(1);
! 95: #endif
! 96: }
! 97:
! 98:
! 99: while ((ch = getopt(argc, argv, "lky")) != EOF)
! 100: switch (ch) {
! 101: case 'l': /* change local password file */
! 102: use_kerberos = 0;
! 103: use_yp = 0;
! 104: break;
! 105: case 'k': /* change Kerberos password */
! 106: #if defined(KERBEROS) || defined(KERBEROS5)
! 107: use_kerberos = 1;
! 108: use_yp = 0;
! 109: break;
! 110: #else
! 111: fprintf(stderr, "passwd: Kerberos not compiled in\n");
! 112: exit(1);
! 113: #endif
! 114: case 'y': /* change YP password */
! 115: #ifdef YP
! 116: if (!use_yp) {
! 117: fprintf(stderr, "passwd: YP not in use.\n");
! 118: exit(1);
! 119: }
! 120: use_kerberos = 0;
! 121: use_yp = 1;
! 122: force_yp = 1;
! 123: break;
! 124: #else
! 125: fprintf(stderr, "passwd: YP not compiled in\n");
! 126: exit(1);
! 127: #endif
! 128: default:
! 129: usage();
! 130: exit(1);
! 131: }
! 132:
! 133: argc -= optind;
! 134: argv += optind;
! 135:
! 136: username = getlogin();
! 137: if (username == NULL) {
! 138: fprintf(stderr, "passwd: who are you ??\n");
! 139: exit(1);
! 140: }
! 141:
! 142: switch(argc) {
! 143: case 0:
! 144: break;
! 145: case 1:
! 146: #if defined(KERBEROS) || defined(KERBEROS5)
! 147: if (use_kerberos && strcmp(argv[0], username)) {
! 148: (void)fprintf(stderr, "passwd: %s\n\t%s\n%s\n",
! 149: "to change another user's Kerberos password, do",
! 150: "\"kinit <user>; passwd; kdestroy\";",
! 151: "to change a user's local passwd, use \"passwd -l <user>\"");
! 152: exit(1);
! 153: }
! 154: #endif
! 155: username = argv[0];
! 156: break;
! 157: default:
! 158: usage();
! 159: exit(1);
! 160: }
! 161:
! 162: #if defined(KERBEROS) || defined(KERBEROS5)
! 163: if (use_kerberos)
! 164: exit(krb_passwd());
! 165: #endif
! 166: #ifdef YP
! 167: if (force_yp || ((status = local_passwd(username)) && use_yp))
! 168: exit(yp_passwd(username));
! 169: exit(status);
! 170: #endif
! 171: exit(local_passwd(username));
! 172: }
! 173:
! 174: usage()
! 175: {
! 176: fprintf(stderr, "usage: passwd [-l] [-k] [-y] user\n");
! 177: }
![[BACK]](/icons/back.gif){kind=icon}
Return to passwd.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / passwd