Return to aix_auth.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / sudo / plugins / sudoers / auth

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

1.1     ! misho       1: /*
        !             2:  * Copyright (c) 1999-2005, 2007-2011 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_STRING_H */
        !            40: #ifdef HAVE_UNISTD_H
        !            41: # include <unistd.h>
        !            42: #endif /* HAVE_UNISTD_H */
        !            43: #include <pwd.h>
        !            44: #include <usersec.h>
        !            45: 
        !            46: #include "sudoers.h"
        !            47: #include "sudo_auth.h"
        !            48: 
        !            49: /*
        !            50:  * For a description of the AIX authentication API, see
        !            51:  * http://publib16.boulder.ibm.com/doc_link/en_US/a_doc_lib/libs/basetrf1/authenticate.htm
        !            52:  */
        !            53: int
        !            54: aixauth_verify(struct passwd *pw, char *prompt, sudo_auth *auth)
        !            55: {
        !            56:     char *pass, *message = NULL;
        !            57:     int result = 1, reenter = 0;
        !            58:     int rval = AUTH_SUCCESS;
        !            59: 
        !            60:     do {
        !            61:        pass = auth_getpass(prompt, def_passwd_timeout * 60,
        !            62:            SUDO_CONV_PROMPT_ECHO_OFF);
        !            63:        if (pass == NULL)
        !            64:            break;
        !            65:        efree(message);
        !            66:        message = NULL;
        !            67:        result = authenticate(pw->pw_name, pass, &reenter, &message);
        !            68:        zero_bytes(pass, strlen(pass));
        !            69:        prompt = message;
        !            70:     } while (reenter);
        !            71: 
        !            72:     if (result != 0) {
        !            73:        /* Display error message, if any. */
        !            74:        if (message != NULL) {
        !            75:            struct sudo_conv_message msg;
        !            76:            struct sudo_conv_reply repl;
        !            77: 
        !            78:            memset(&msg, 0, sizeof(msg));
        !            79:            msg.msg_type = SUDO_CONV_ERROR_MSG;
        !            80:            msg.msg = message;
        !            81:            memset(&repl, 0, sizeof(repl));
        !            82:            sudo_conv(1, &msg, &repl);
        !            83:        }
        !            84:        rval = pass ? AUTH_FAILURE : AUTH_INTR;
        !            85:     }
        !            86:     efree(message);
        !            87:     return rval;
        !            88: }
        !            89: 
        !            90: int
        !            91: aixauth_cleanup(struct passwd *pw, sudo_auth *auth)
        !            92: {
        !            93:     /* Unset AUTHSTATE as it may not be correct for the runas user. */
        !            94:     unsetenv("AUTHSTATE");
        !            95: 
        !            96:     return AUTH_SUCCESS;
        !            97: }