2 * Copyright 1998 Juniper Networks, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
37 #include <security/pam_appl.h>
38 #include <security/pam_modules.h>
39 #include <security/pam_mod_misc.h>
41 #define PASSWORD_PROMPT "Password:"
43 extern int klogin(struct passwd *, char *, char *, char *);
45 /* Globals used by klogin.c */
47 int noticketsdontcomplain = 1;
51 pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc, const char **argv)
53 struct options options;
59 char localhost[MAXHOSTNAMELEN + 1];
62 pam_std_option(&options, NULL, argc, argv);
64 PAM_LOG("Options processed");
66 retval = pam_get_user(pamh, &user, NULL);
67 if (retval != PAM_SUCCESS)
70 PAM_LOG("Got user: %s", user);
72 retval = pam_get_pass(pamh, &password, PASSWORD_PROMPT, &options);
73 if (retval != PAM_SUCCESS)
76 PAM_LOG("Got password");
78 if (gethostname(localhost, sizeof localhost - 1) == -1)
79 PAM_RETURN(PAM_SYSTEM_ERR);
81 PAM_LOG("Got localhost: %s", localhost);
83 principal = strdup(user);
84 if (principal == NULL)
85 PAM_RETURN(PAM_BUF_ERR);
87 instance = strchr(principal, '.');
93 PAM_LOG("Got principal.instance: %s.%s", principal, instance);
95 retval = PAM_AUTH_ERR;
98 if (klogin(pwd, instance, localhost, (char *)password) == 0) {
99 if (!(flags & PAM_SILENT) && notickets && !noticketsdontcomplain)
100 pam_prompt(pamh, PAM_ERROR_MSG,
101 "Warning: no Kerberos tickets issued",
104 * XXX - I think the ticket file isn't supposed to
105 * be created until pam_sm_setcred() is called.
107 if (krbtkfile_env != NULL)
108 setenv("KRBTKFILE", krbtkfile_env, 1);
109 retval = PAM_SUCCESS;
112 PAM_LOG("Done klogin()");
116 * The PAM infrastructure will obliterate the cleartext
117 * password before returning to the application.
121 if (retval != PAM_SUCCESS)
122 PAM_VERBOSE_ERROR("Kerberos IV refuses you");
128 pam_sm_setcred(pam_handle_t *pamh, int flags, int argc, const char **argv)
130 struct options options;
132 pam_std_option(&options, NULL, argc, argv);
134 PAM_LOG("Options processed");
136 PAM_RETURN(PAM_SUCCESS);
139 PAM_MODULE_ENTRY("pam_kerberosIV");