cb6f450ccb7ded1c3c6fe202de08cda34288cebb
[kai/samba.git] / source3 / nsswitch / pam_winbind.h
1 /* pam_winbind header file 
2    (Solaris needs some macros from Linux for common PAM code)
3
4    Shirish Kalele 2000
5 */
6
7 #include "../lib/replace/replace.h"
8 #include "system/syslog.h"
9 #include "system/time.h"
10 #include <talloc.h>
11 #include "libwbclient/wbclient.h"
12
13 #define MODULE_NAME "pam_winbind"
14 #define PAM_SM_AUTH
15 #define PAM_SM_ACCOUNT
16 #define PAM_SM_PASSWORD
17 #define PAM_SM_SESSION
18
19 #ifndef PAM_WINBIND_CONFIG_FILE
20 #define PAM_WINBIND_CONFIG_FILE "/etc/security/pam_winbind.conf"
21 #endif
22
23 #include <iniparser.h>
24
25 #ifndef LINUX
26
27 /* Solaris always uses dynamic pam modules */
28 #define PAM_EXTERN extern
29 #if defined(HAVE_SECURITY_PAM_APPL_H)
30 #include <security/pam_appl.h> 
31 #elif defined(HAVE_PAM_PAM_APPL_H)
32 #include <pam/pam_appl.h>
33 #endif
34
35 #ifndef PAM_AUTHTOK_RECOVER_ERR
36 #define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR
37 #endif
38
39 #endif /* defined(SUNOS5) || defined(SUNOS4) || defined(HPUX) || defined(FREEBSD) || defined(AIX) */
40
41 #if defined(HAVE_SECURITY_PAM_MODULES_H)
42 #include <security/pam_modules.h>
43 #elif defined(HAVE_PAM_PAM_MODULES_H)
44 #include <pam/pam_modules.h>
45 #endif
46
47 #if defined(HAVE_SECURITY__PAM_MACROS_H)
48 #include <security/_pam_macros.h>
49 #elif defined(HAVE_PAM__PAM_MACROS_H)
50 #include <pam/_pam_macros.h>
51 #else
52 /* Define required macros from (Linux PAM 0.68) security/_pam_macros.h */
53 #define _pam_drop_reply(/* struct pam_response * */ reply, /* int */ replies) \
54 do {                                              \
55     int reply_i;                                  \
56                                                   \
57     for (reply_i=0; reply_i<replies; ++reply_i) { \
58         if (reply[reply_i].resp) {                \
59             _pam_overwrite(reply[reply_i].resp);  \
60             free(reply[reply_i].resp);            \
61         }                                         \
62     }                                             \
63     if (reply)                                    \
64         free(reply);                              \
65 } while (0)
66
67 #define _pam_overwrite(x)        \
68 do {                             \
69      register char *__xx__;      \
70      if ((__xx__=(x)))           \
71           while (*__xx__)        \
72                *__xx__++ = '\0'; \
73 } while (0)
74
75 /*
76  * Don't just free it, forget it too.
77  */
78
79 #define _pam_drop(X) SAFE_FREE(X)
80
81 #define  x_strdup(s)  ( (s) ? strdup(s):NULL )     
82 #endif /* HAVE_SECURITY__PAM_MACROS_H */
83
84 #ifdef HAVE_SECURITY_PAM_EXT_H
85 #include <security/pam_ext.h>
86 #endif
87
88 #define WINBIND_DEBUG_ARG               0x00000001
89 #define WINBIND_USE_AUTHTOK_ARG         0x00000002
90 #define WINBIND_UNKNOWN_OK_ARG          0x00000004
91 #define WINBIND_TRY_FIRST_PASS_ARG      0x00000008
92 #define WINBIND_USE_FIRST_PASS_ARG      0x00000010
93 #define WINBIND__OLD_PASSWORD           0x00000020
94 #define WINBIND_REQUIRED_MEMBERSHIP     0x00000040
95 #define WINBIND_KRB5_AUTH               0x00000080
96 #define WINBIND_KRB5_CCACHE_TYPE        0x00000100
97 #define WINBIND_CACHED_LOGIN            0x00000200
98 #define WINBIND_CONFIG_FILE             0x00000400
99 #define WINBIND_SILENT                  0x00000800
100 #define WINBIND_DEBUG_STATE             0x00001000
101 #define WINBIND_WARN_PWD_EXPIRE         0x00002000
102 #define WINBIND_MKHOMEDIR               0x00004000
103
104 /*
105  * here is the string to inform the user that the new passwords they
106  * typed were not the same.
107  */
108
109 #define MISTYPED_PASS "Sorry, passwords do not match"
110
111 #define on(x, y) (x & y)
112 #define off(x, y) (!(x & y))
113
114 #define PAM_WINBIND_NEW_AUTHTOK_REQD "PAM_WINBIND_NEW_AUTHTOK_REQD"
115 #define PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH "PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH"
116 #define PAM_WINBIND_HOMEDIR "PAM_WINBIND_HOMEDIR"
117 #define PAM_WINBIND_LOGONSCRIPT "PAM_WINBIND_LOGONSCRIPT"
118 #define PAM_WINBIND_LOGONSERVER "PAM_WINBIND_LOGONSERVER"
119 #define PAM_WINBIND_PROFILEPATH "PAM_WINBIND_PROFILEPATH"
120 #define PAM_WINBIND_PWD_LAST_SET "PAM_WINBIND_PWD_LAST_SET"
121
122 #define SECONDS_PER_DAY 86400
123
124 #define DEFAULT_DAYS_TO_WARN_BEFORE_PWD_EXPIRES 14
125
126 #include "winbind_client.h"
127
128 #define PAM_WB_REMARK_DIRECT(c,x)\
129 {\
130         const char *error_string = NULL; \
131         error_string = _get_ntstatus_error_string(x);\
132         if (error_string != NULL) {\
133                 _make_remark(c, PAM_ERROR_MSG, error_string);\
134         } else {\
135                 _make_remark(c, PAM_ERROR_MSG, x);\
136         };\
137 };
138
139 #define LOGON_KRB5_FAIL_CLOCK_SKEW      0x02000000
140
141 #define PAM_WB_CACHED_LOGON(x) (x & WBC_AUTH_USER_INFO_CACHED_ACCOUNT)
142 #define PAM_WB_KRB5_CLOCK_SKEW(x) (x & LOGON_KRB5_FAIL_CLOCK_SKEW)
143 #define PAM_WB_GRACE_LOGON(x)  ((WBC_AUTH_USER_INFO_CACHED_ACCOUNT|WBC_AUTH_USER_INFO_GRACE_LOGON) == ( x & (WBC_AUTH_USER_INFO_CACHED_ACCOUNT|WBC_AUTH_USER_INFO_GRACE_LOGON)))
144
145 struct pwb_context {
146         pam_handle_t *pamh;
147         int flags;
148         int argc;
149         const char **argv;
150         dictionary *dict;
151         uint32_t ctrl;
152 };
153
154 #define TALLOC_FREE(ctx) do { if ((ctx) != NULL) {talloc_free(ctx); ctx=NULL;} } while(0)
155 #define TALLOC_ZERO_P(ctx, type) (type *)_talloc_zero(ctx, sizeof(type), #type)
156 #define TALLOC_P(ctx, type) (type *)talloc_named_const(ctx, sizeof(type), #type)
157