2 * <security/pam_modules.h>
4 * This header file collects definitions for the PAM API --- that is,
5 * public interface between the PAM library and PAM modules.
7 * Note, the copyright information is at end of file.
10 #ifndef _SECURITY_PAM_MODULES_H
11 #define _SECURITY_PAM_MODULES_H
17 #include <security/_pam_types.h> /* Linux-PAM common defined types */
19 /* -------------- The Linux-PAM Module PI ------------- */
21 extern int PAM_NONNULL((1,2))
22 pam_set_data(pam_handle_t *pamh, const char *module_data_name, void *data,
23 void (*cleanup)(pam_handle_t *pamh, void *data,
26 extern int PAM_NONNULL((1,2,3))
27 pam_get_data(const pam_handle_t *pamh, const char *module_data_name,
30 extern int PAM_NONNULL((1,2))
31 pam_get_user(pam_handle_t *pamh, const char **user, const char *prompt);
33 /* Authentication API's */
34 int pam_sm_authenticate(pam_handle_t *pamh, int flags,
35 int argc, const char **argv);
36 int pam_sm_setcred(pam_handle_t *pamh, int flags,
37 int argc, const char **argv);
39 /* Account Management API's */
40 int pam_sm_acct_mgmt(pam_handle_t *pamh, int flags,
41 int argc, const char **argv);
43 /* Session Management API's */
44 int pam_sm_open_session(pam_handle_t *pamh, int flags,
45 int argc, const char **argv);
47 int pam_sm_close_session(pam_handle_t *pamh, int flags,
48 int argc, const char **argv);
50 /* Password Management API's */
51 int pam_sm_chauthtok(pam_handle_t *pamh, int flags,
52 int argc, const char **argv);
54 /* The following two flags are for use across the Linux-PAM/module
55 * interface only. The Application is not permitted to use these
58 * The password service should only perform preliminary checks. No
59 * passwords should be updated. */
60 #define PAM_PRELIM_CHECK 0x4000
62 /* The password service should update passwords Note: PAM_PRELIM_CHECK
63 * and PAM_UPDATE_AUTHTOK cannot both be set simultaneously! */
64 #define PAM_UPDATE_AUTHTOK 0x2000
68 * here are some proposed error status definitions for the
69 * 'error_status' argument used by the cleanup function associated
70 * with data items they should be logically OR'd with the error_status
71 * of the latest return from libpam -- new with .52 and positive
72 * impression from Sun although not official as of 1996/9/4 there are
73 * others in _pam_types.h -- they are for common module/app use.
76 #define PAM_DATA_REPLACE 0x20000000 /* used when replacing a data item */
78 /* PAM_EXTERN isn't needed anymore, but don't remove it to not break
79 lot of external code using it. */
80 #define PAM_EXTERN extern
82 /* take care of any compatibility issues */
83 #include <security/_pam_compat.h>
89 /* Copyright (C) Theodore Ts'o, 1996.
90 * Copyright (C) Andrew Morgan, 1996-8.
91 * All rights reserved.
93 * Redistribution and use in source and binary forms, with or without
94 * modification, are permitted provided that the following conditions
96 * 1. Redistributions of source code must retain the above copyright
97 * notice, and the entire permission notice in its entirety,
98 * including the disclaimer of warranties.
99 * 2. Redistributions in binary form must reproduce the above copyright
100 * notice, this list of conditions and the following disclaimer in the
101 * documentation and/or other materials provided with the distribution.
102 * 3. The name of the author may not be used to endorse or promote
103 * products derived from this software without specific prior
104 * written permission.
106 * ALTERNATIVELY, this product may be distributed under the terms of
107 * the GNU General Public License, in which case the provisions of the
108 * GNU GPL are required INSTEAD OF the above restrictions. (This
109 * clause is necessary due to a potential bad interaction between the
110 * GNU GPL and the restrictions contained in a BSD-style copyright.)
112 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
113 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
114 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
115 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
116 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
117 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
118 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
119 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
120 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
121 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
122 * OF THE POSSIBILITY OF SUCH DAMAGE. */
124 #endif /* _SECURITY_PAM_MODULES_H */