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 #ifdef HAVE_LIBINTL_H
  26 #include <libintl.h>
  27 #endif
  28
  29 #if defined(LINUX)
  30
  31 /* newer versions of PAM have this in _pam_compat.h */
  32 #ifndef PAM_AUTHTOK_RECOVERY_ERR
  33 #define PAM_AUTHTOK_RECOVERY_ERR PAM_AUTHTOK_RECOVER_ERR
  34 #endif
  35
  36 #else /* !LINUX */
  37
  38 /* Solaris always uses dynamic pam modules */
  39 #define PAM_EXTERN extern
  40 #if defined(HAVE_SECURITY_PAM_APPL_H)
  41 #include <security/pam_appl.h>
  42 #elif defined(HAVE_PAM_PAM_APPL_H)
  43 #include <pam/pam_appl.h>
  44 #endif
  45
  46 #ifndef PAM_AUTHTOK_RECOVER_ERR
  47 #define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR
  48 #endif
  49
  50 #endif /* defined(SUNOS5) || defined(SUNOS4) || defined(HPUX) || defined(FREEBSD) || defined(AIX) */
  51
  52 #if defined(HAVE_SECURITY_PAM_MODULES_H)
  53 #include <security/pam_modules.h>
  54 #elif defined(HAVE_PAM_PAM_MODULES_H)
  55 #include <pam/pam_modules.h>
  56 #endif
  57
  58 #if defined(HAVE_SECURITY__PAM_MACROS_H)
  59 #include <security/_pam_macros.h>
  60 #elif defined(HAVE_PAM__PAM_MACROS_H)
  61 #include <pam/_pam_macros.h>
  62 #else
  63 /* Define required macros from (Linux PAM 0.68) security/_pam_macros.h */
  64 #define _pam_drop_reply(/* struct pam_response * */ reply, /* int */ replies) \
  65 do {                                              \
  66     int reply_i;                                  \
  67                                                   \
  68     for (reply_i=0; reply_i<replies; ++reply_i) { \
  69         if (reply[reply_i].resp) {                \
  70             _pam_overwrite(reply[reply_i].resp);  \
  71             free(reply[reply_i].resp);            \
  72         }                                         \
  73     }                                             \
  74     if (reply)                                    \
  75         free(reply);                              \
  76 } while (0)
  77
  78 #define _pam_overwrite(x)        \
  79 do {                             \
  80      register char *__xx__;      \
  81      if ((__xx__=(x)))           \
  82           while (*__xx__)        \
  83                *__xx__++ = '\0'; \
  84 } while (0)
  85
  86 /*
  87  * Don't just free it, forget it too.
  88  */
  89
  90 #define _pam_drop(X) SAFE_FREE(X)
  91
  92 #define  x_strdup(s)  ( (s) ? strdup(s):NULL )
  93 #endif /* HAVE_SECURITY__PAM_MACROS_H */
  94
  95 #ifdef HAVE_SECURITY_PAM_EXT_H
  96 #include <security/pam_ext.h>
  97 #endif
  98
  99 #define WINBIND_DEBUG_ARG               0x00000001
 100 #define WINBIND_USE_AUTHTOK_ARG         0x00000002
 101 #define WINBIND_UNKNOWN_OK_ARG          0x00000004
 102 #define WINBIND_TRY_FIRST_PASS_ARG      0x00000008
 103 #define WINBIND_USE_FIRST_PASS_ARG      0x00000010
 104 #define WINBIND__OLD_PASSWORD           0x00000020
 105 #define WINBIND_REQUIRED_MEMBERSHIP     0x00000040
 106 #define WINBIND_KRB5_AUTH               0x00000080
 107 #define WINBIND_KRB5_CCACHE_TYPE        0x00000100
 108 #define WINBIND_CACHED_LOGIN            0x00000200
 109 #define WINBIND_CONFIG_FILE             0x00000400
 110 #define WINBIND_SILENT                  0x00000800
 111 #define WINBIND_DEBUG_STATE             0x00001000
 112 #define WINBIND_WARN_PWD_EXPIRE         0x00002000
 113 #define WINBIND_MKHOMEDIR               0x00004000
 114
 115 #if defined(HAVE_GETTEXT) && !defined(__LCLINT__)
 116 #define _(string) dgettext(MODULE_NAME, string)
 117 #else
 118 #define _(string) string
 119 #endif
 120
 121 #define N_(string) string
 122
 123 /*
 124  * here is the string to inform the user that the new passwords they
 125  * typed were not the same.
 126  */
 127
 128 #define MISTYPED_PASS _("Sorry, passwords do not match")
 129
 130 #define on(x, y) (x & y)
 131 #define off(x, y) (!(x & y))
 132
 133 #define PAM_WINBIND_NEW_AUTHTOK_REQD "PAM_WINBIND_NEW_AUTHTOK_REQD"
 134 #define PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH "PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH"
 135 #define PAM_WINBIND_HOMEDIR "PAM_WINBIND_HOMEDIR"
 136 #define PAM_WINBIND_LOGONSCRIPT "PAM_WINBIND_LOGONSCRIPT"
 137 #define PAM_WINBIND_LOGONSERVER "PAM_WINBIND_LOGONSERVER"
 138 #define PAM_WINBIND_PROFILEPATH "PAM_WINBIND_PROFILEPATH"
 139 #define PAM_WINBIND_PWD_LAST_SET "PAM_WINBIND_PWD_LAST_SET"
 140
 141 #define SECONDS_PER_DAY 86400
 142
 143 #define DEFAULT_DAYS_TO_WARN_BEFORE_PWD_EXPIRES 14
 144
 145 #include "winbind_client.h"
 146
 147 #define PAM_WB_REMARK_DIRECT(c,x)\
 148 {\
 149         const char *error_string = NULL; \
 150         error_string = _get_ntstatus_error_string(x);\
 151         if (error_string != NULL) {\
 152                 _make_remark(c, PAM_ERROR_MSG, error_string);\
 153         } else {\
 154                 _make_remark(c, PAM_ERROR_MSG, x);\
 155         };\
 156 };
 157
 158 #define LOGON_KRB5_FAIL_CLOCK_SKEW      0x02000000
 159
 160 #define PAM_WB_CACHED_LOGON(x) (x & WBC_AUTH_USER_INFO_CACHED_ACCOUNT)
 161 #define PAM_WB_KRB5_CLOCK_SKEW(x) (x & LOGON_KRB5_FAIL_CLOCK_SKEW)
 162 #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)))
 163
 164 struct pwb_context {
 165         pam_handle_t *pamh;
 166         int flags;
 167         int argc;
 168         const char **argv;
 169         dictionary *dict;
 170         uint32_t ctrl;
 171 };
 172
 173 #ifndef TALLOC_FREE
 174 #define TALLOC_FREE(ctx) do { talloc_free(ctx); ctx=NULL; } while(0)
 175 #endif
 176 #define TALLOC_ZERO_P(ctx, type) (type *)_talloc_zero(ctx, sizeof(type), #type)
 177 #define TALLOC_P(ctx, type) (type *)talloc_named_const(ctx, sizeof(type), #type)