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Annotation of embedaddon/sudo/plugins/sudoers/auth/secureware.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (c) 1998-2005, 2010-2011 Todd C. Miller <Todd.Miller@courtesan.com>
        !             3:  *
        !             4:  * Permission to use, copy, modify, and distribute this software for any
        !             5:  * purpose with or without fee is hereby granted, provided that the above
        !             6:  * copyright notice and this permission notice appear in all copies.
        !             7:  *
        !             8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !             9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            15:  *
        !            16:  * Sponsored in part by the Defense Advanced Research Projects
        !            17:  * Agency (DARPA) and Air Force Research Laboratory, Air Force
        !            18:  * Materiel Command, USAF, under agreement number F39502-99-1-0512.
        !            19:  */
        !            20: 
        !            21: #include <config.h>
        !            22: 
        !            23: #include <sys/types.h>
        !            24: #include <sys/param.h>
        !            25: #include <stdio.h>
        !            26: #ifdef STDC_HEADERS
        !            27: # include <stdlib.h>
        !            28: # include <stddef.h>
        !            29: #else
        !            30: # ifdef HAVE_STDLIB_H
        !            31: #  include <stdlib.h>
        !            32: # endif
        !            33: #endif /* STDC_HEADERS */
        !            34: #ifdef HAVE_STRING_H
        !            35: # include <string.h>
        !            36: #endif /* HAVE_STRING_H */
        !            37: #ifdef HAVE_STRINGS_H
        !            38: # include <strings.h>
        !            39: #endif /* HAVE_STRINGS_H */
        !            40: #ifdef HAVE_UNISTD_H
        !            41: # include <unistd.h>
        !            42: #endif /* HAVE_UNISTD_H */
        !            43: #include <pwd.h>
        !            44: #ifdef __hpux
        !            45: #  undef MAXINT
        !            46: #  include <hpsecurity.h>
        !            47: #else
        !            48: #  include <sys/security.h>
        !            49: #endif /* __hpux */
        !            50: #include <prot.h>
        !            51: 
        !            52: #include "sudoers.h"
        !            53: #include "sudo_auth.h"
        !            54: 
        !            55: int
        !            56: secureware_init(struct passwd *pw, sudo_auth *auth)
        !            57: {
        !            58: #ifdef __alpha
        !            59:     extern int crypt_type;
        !            60: 
        !            61:     if (crypt_type == INT_MAX)
        !            62:        return AUTH_FAILURE;                    /* no shadow */
        !            63: #endif
        !            64:     sudo_setspent();
        !            65:     auth->data = sudo_getepw(pw);
        !            66:     sudo_endspent();
        !            67:     return AUTH_SUCCESS;
        !            68: }
        !            69: 
        !            70: int
        !            71: secureware_verify(struct passwd *pw, char *pass, sudo_auth *auth)
        !            72: {
        !            73:     char *pw_epasswd = auth->data;
        !            74: #ifdef __alpha
        !            75:     extern int crypt_type;
        !            76: 
        !            77: #  ifdef HAVE_DISPCRYPT
        !            78:     if (strcmp(pw_epasswd, dispcrypt(pass, pw_epasswd, crypt_type)) == 0)
        !            79:        return AUTH_SUCCESS;
        !            80: #  else
        !            81:     if (crypt_type == AUTH_CRYPT_BIGCRYPT) {
        !            82:        if (strcmp(pw_epasswd, bigcrypt(pass, pw_epasswd)) == 0)
        !            83:            return AUTH_SUCCESS;
        !            84:     } else if (crypt_type == AUTH_CRYPT_CRYPT16) {
        !            85:        if (strcmp(pw_epasswd, crypt(pass, pw_epasswd)) == 0)
        !            86:            return AUTH_SUCCESS;
        !            87:     }
        !            88: #  endif /* HAVE_DISPCRYPT */
        !            89: #elif defined(HAVE_BIGCRYPT)
        !            90:     if (strcmp(pw_epasswd, bigcrypt(pass, pw_epasswd)) == 0)
        !            91:        return AUTH_SUCCESS;
        !            92: #endif /* __alpha */
        !            93: 
        !            94:        return AUTH_FAILURE;
        !            95: }
        !            96: 
        !            97: int
        !            98: secureware_cleanup(pw, auth)
        !            99:     struct passwd *pw;
        !           100:     sudo_auth *auth;
        !           101: {
        !           102:     char *pw_epasswd = auth->data;
        !           103: 
        !           104:     if (pw_epasswd != NULL) {
        !           105:        zero_bytes(pw_epasswd, strlen(pw_epasswd));
        !           106:        efree(pw_epasswd);
        !           107:     }
        !           108:     return AUTH_SUCCESS;
        !           109: }