summaryrefslogtreecommitdiff
path: root/modules/pam_unix/passverify.h
blob: 21bb9232cf2346ab3b0f0f03e280cbf13e43921a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * Copyright information at end of file.
 */

#include <sys/types.h>
#include <pwd.h>
#include <security/pam_modules.h>

#define PAM_UNIX_RUN_HELPER PAM_CRED_INSUFFICIENT

#define MAXPASS		200	/* the maximum length of a password */

#define OLD_PASSWORDS_FILE      "/etc/security/opasswd"

int
verify_pwd_hash(const char *p, char *hash, unsigned int nullok);

int
is_pwd_shadowed(const struct passwd *pwd);

char *
crypt_md5_wrapper(const char *pass_new);

char *
create_password_hash(const char *password, unsigned int ctrl, int rounds);

int
unix_selinux_confined(void);

int
lock_pwdf(void);

void
unlock_pwdf(void);

#ifdef HELPER_COMPILE
int
save_old_password(const char *forwho, const char *oldpass,
		  int howmany);
#else
int
save_old_password(pam_handle_t *pamh, const char *forwho, const char *oldpass,
		  int howmany);
#endif

#ifdef HELPER_COMPILE
void
helper_log_err(int err, const char *format,...);

int
helper_verify_password(const char *name, const char *p, int nullok);

void
setup_signals(void);

char *
getuidname(uid_t uid);

int
read_passwords(int fd, int npass, char **passwords);

int
get_account_info(const char *name,
	struct passwd **pwd, struct spwd **spwdent);

int
get_pwd_hash(const char *name,
	struct passwd **pwd, char **hash);

int
check_shadow_expiry(struct spwd *spent, int *daysleft);

int
unix_update_passwd(const char *forwho, const char *towhat);

int
unix_update_shadow(const char *forwho, char *towhat);
#else
int
get_account_info(pam_handle_t *pamh, const char *name,
	struct passwd **pwd,  struct spwd **spwdent);

int
get_pwd_hash(pam_handle_t *pamh, const char *name,
	struct passwd **pwd, char **hash);

int
check_shadow_expiry(pam_handle_t *pamh, struct spwd *spent, int *daysleft);

int
unix_update_passwd(pam_handle_t *pamh, const char *forwho, const char *towhat);

int
unix_update_shadow(pam_handle_t *pamh, const char *forwho, char *towhat);
#endif

/* ****************************************************************** *
 * Copyright (c) Red Hat, Inc. 2007.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, and the entire permission notice in its entirety,
 *    including the disclaimer of warranties.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote
 *    products derived from this software without specific prior
 *    written permission.
 *
 * ALTERNATIVELY, this product may be distributed under the terms of
 * the GNU Public License, in which case the provisions of the GPL are
 * required INSTEAD OF the above restrictions.  (This clause is
 * necessary due to a potential bad interaction between the GPL and
 * the restrictions contained in a BSD-style copyright.)
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */