Annotation of embedaddon/sudo/plugins/sudoers/auth/aix_auth.c, revision 1.1.1.4
1.1 misho 1: /*
1.1.1.4 ! misho 2: * Copyright (c) 1999-2005, 2007-2013 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_STRING_H */
39: #ifdef HAVE_UNISTD_H
40: # include <unistd.h>
41: #endif /* HAVE_UNISTD_H */
42: #include <pwd.h>
43: #include <usersec.h>
44:
45: #include "sudoers.h"
46: #include "sudo_auth.h"
47:
48: /*
49: * For a description of the AIX authentication API, see
50: * http://publib16.boulder.ibm.com/doc_link/en_US/a_doc_lib/libs/basetrf1/authenticate.htm
51: */
52: int
1.1.1.2 misho 53: sudo_aix_verify(struct passwd *pw, char *prompt, sudo_auth *auth)
1.1 misho 54: {
55: char *pass, *message = NULL;
56: int result = 1, reenter = 0;
57: int rval = AUTH_SUCCESS;
1.1.1.2 misho 58: debug_decl(sudo_aix_verify, SUDO_DEBUG_AUTH)
1.1 misho 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);
1.1.1.4 ! misho 68: memset_s(pass, SUDO_CONV_REPL_MAX, 0, strlen(pass));
1.1 misho 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);
1.1.1.2 misho 87: debug_return_int(rval);
1.1 misho 88: }
89:
90: int
1.1.1.2 misho 91: sudo_aix_cleanup(struct passwd *pw, sudo_auth *auth)
1.1 misho 92: {
1.1.1.2 misho 93: debug_decl(sudo_aix_cleanup, SUDO_DEBUG_AUTH)
94:
1.1 misho 95: /* Unset AUTHSTATE as it may not be correct for the runas user. */
1.1.1.2 misho 96: sudo_unsetenv("AUTHSTATE");
1.1 misho 97:
1.1.1.2 misho 98: debug_return_int(AUTH_SUCCESS);
1.1 misho 99: }
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