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Annotation of embedaddon/sudo/plugins/sudoers/auth/secureware.c, revision 1.1.1.5

1.1       misho       1: /*
1.1.1.3   misho       2:  * Copyright (c) 1998-2005, 2010-2013 Todd C. Miller <Todd.Miller@courtesan.com>
1.1       misho       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 <stdio.h>
                     25: #ifdef STDC_HEADERS
                     26: # include <stdlib.h>
                     27: # include <stddef.h>
                     28: #else
                     29: # ifdef HAVE_STDLIB_H
                     30: #  include <stdlib.h>
                     31: # endif
                     32: #endif /* STDC_HEADERS */
                     33: #ifdef HAVE_STRING_H
                     34: # include <string.h>
                     35: #endif /* HAVE_STRING_H */
                     36: #ifdef HAVE_STRINGS_H
                     37: # include <strings.h>
                     38: #endif /* HAVE_STRINGS_H */
                     39: #ifdef HAVE_UNISTD_H
                     40: # include <unistd.h>
                     41: #endif /* HAVE_UNISTD_H */
                     42: #include <pwd.h>
                     43: #ifdef __hpux
                     44: #  undef MAXINT
                     45: #  include <hpsecurity.h>
                     46: #else
                     47: #  include <sys/security.h>
                     48: #endif /* __hpux */
                     49: #include <prot.h>
                     50: 
                     51: #include "sudoers.h"
                     52: #include "sudo_auth.h"
                     53: 
                     54: int
1.1.1.2   misho      55: sudo_secureware_init(struct passwd *pw, sudo_auth *auth)
1.1       misho      56: {
                     57: #ifdef __alpha
                     58:     extern int crypt_type;
1.1.1.2   misho      59:     debug_decl(sudo_secureware_init, SUDO_DEBUG_AUTH)
1.1       misho      60: 
                     61:     if (crypt_type == INT_MAX)
1.1.1.2   misho      62:        debug_return_int(AUTH_FAILURE);                 /* no shadow */
                     63: #else
                     64:     debug_decl(secureware_init, SUDO_DEBUG_AUTH)
1.1       misho      65: #endif
                     66:     sudo_setspent();
                     67:     auth->data = sudo_getepw(pw);
                     68:     sudo_endspent();
1.1.1.2   misho      69:     debug_return_int(AUTH_SUCCESS);
1.1       misho      70: }
                     71: 
                     72: int
1.1.1.2   misho      73: sudo_secureware_verify(struct passwd *pw, char *pass, sudo_auth *auth)
1.1       misho      74: {
                     75:     char *pw_epasswd = auth->data;
1.1.1.3   misho      76:     char *epass = NULL;
1.1.1.2   misho      77:     debug_decl(sudo_secureware_verify, SUDO_DEBUG_AUTH)
1.1       misho      78: #ifdef __alpha
1.1.1.2   misho      79:     {
                     80:        extern int crypt_type;
1.1       misho      81: 
1.1.1.3   misho      82: # ifdef HAVE_DISPCRYPT
                     83:        epass = dispcrypt(pass, pw_epasswd, crypt_type);
                     84: # else
                     85:        if (crypt_type == AUTH_CRYPT_BIGCRYPT)
                     86:            epass = bigcrypt(pass, pw_epasswd);
                     87:        else if (crypt_type == AUTH_CRYPT_CRYPT16)
                     88:            epass = crypt(pass, pw_epasswd);
                     89: # endif /* HAVE_DISPCRYPT */
1.1.1.5 ! misho      90:     }
1.1       misho      91: #elif defined(HAVE_BIGCRYPT)
1.1.1.3   misho      92:     epass = bigcrypt(pass, pw_epasswd);
1.1       misho      93: #endif /* __alpha */
                     94: 
1.1.1.3   misho      95:     if (epass != NULL && strcmp(pw_epasswd, epass) == 0)
                     96:        debug_return_int(AUTH_SUCCESS);
                     97:     debug_return_int(AUTH_FAILURE);
1.1       misho      98: }
                     99: 
                    100: int
1.1.1.2   misho     101: sudo_secureware_cleanup(pw, auth)
1.1       misho     102:     struct passwd *pw;
                    103:     sudo_auth *auth;
                    104: {
                    105:     char *pw_epasswd = auth->data;
1.1.1.2   misho     106:     debug_decl(sudo_secureware_cleanup, SUDO_DEBUG_AUTH)
1.1       misho     107: 
                    108:     if (pw_epasswd != NULL) {
1.1.1.4   misho     109:        memset_s(pw_epasswd, SUDO_CONV_REPL_MAX, 0, strlen(pw_epasswd));
1.1       misho     110:        efree(pw_epasswd);
                    111:     }
1.1.1.2   misho     112:     debug_return_int(AUTH_SUCCESS);
1.1       misho     113: }