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: }
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