source/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 #ifdef HAVE_FEATURES_H
   8 #include <features.h>
   9 #endif
  10
  11 #include <stdlib.h>
  12 #include <unistd.h>
  13 #include <string.h>
  14 #include <syslog.h>
  15 #include <stdarg.h>
  16 #include <sys/types.h>
  17 #include <sys/stat.h>
  18 #include <fcntl.h>
  19 #include <errno.h>
  20 #include <time.h>
  21
  22 #include <config.h>
  23
  24 #define MODULE_NAME "pam_winbind"
  25 #define PAM_SM_AUTH
  26 #define PAM_SM_ACCOUNT
  27 #define PAM_SM_PASSWORD
  28
  29 #include <iniparser.h>
  30
  31 #if defined(SUNOS5) || defined(SUNOS4) || defined(HPUX) || defined(FREEBSD) || defined(AIX)
  32
  33 /* Solaris always uses dynamic pam modules */
  34 #define PAM_EXTERN extern
  35 #include <security/pam_appl.h>
  36
  37 #ifndef PAM_AUTHTOK_RECOVER_ERR
  38 #define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR
  39 #endif
  40
  41 #endif
  42
  43 #ifdef HAVE_SECURITY_PAM_MODULES_H
  44 #include <security/pam_modules.h>
  45 #endif
  46
  47 #ifdef HAVE_SECURITY__PAM_MACROS_H
  48 #include <security/_pam_macros.h>
  49 #else
  50 /* Define required macros from (Linux PAM 0.68) security/_pam_macros.h */
  51 #define _pam_drop_reply(/* struct pam_response * */ reply, /* int */ replies) \
  52 do {                                              \
  53     int reply_i;                                  \
  54                                                   \
  55     for (reply_i=0; reply_i<replies; ++reply_i) { \
  56         if (reply[reply_i].resp) {                \
  57             _pam_overwrite(reply[reply_i].resp);  \
  58             free(reply[reply_i].resp);            \
  59         }                                         \
  60     }                                             \
  61     if (reply)                                    \
  62         free(reply);                              \
  63 } while (0)
  64
  65 #define _pam_overwrite(x)        \
  66 do {                             \
  67      register char *__xx__;      \
  68      if ((__xx__=(x)))           \
  69           while (*__xx__)        \
  70                *__xx__++ = '\0'; \
  71 } while (0)
  72
  73 /*
  74  * Don't just free it, forget it too.
  75  */
  76
  77 #define _pam_drop(X) SAFE_FREE(X)
  78
  79 #define  x_strdup(s)  ( (s) ? strdup(s):NULL )
  80 #endif
  81
  82 #define WINBIND_DEBUG_ARG (1<<0)
  83 #define WINBIND_USE_AUTHTOK_ARG (1<<1)
  84 #define WINBIND_UNKNOWN_OK_ARG (1<<2)
  85 #define WINBIND_TRY_FIRST_PASS_ARG (1<<3)
  86 #define WINBIND_USE_FIRST_PASS_ARG (1<<4)
  87 #define WINBIND__OLD_PASSWORD (1<<5)
  88 #define WINBIND_REQUIRED_MEMBERSHIP (1<<6)
  89 #define WINBIND_KRB5_AUTH (1<<7)
  90 #define WINBIND_KRB5_CCACHE_TYPE (1<<8)
  91 #define WINBIND_CACHED_LOGIN (1<<9)
  92 #define WINBIND_CONFIG_FILE (1<<10)
  93
  94 /*
  95  * here is the string to inform the user that the new passwords they
  96  * typed were not the same.
  97  */
  98
  99 #define MISTYPED_PASS "Sorry, passwords do not match"
 100
 101 #define on(x, y) (x & y)
 102 #define off(x, y) (!(x & y))
 103
 104 #define PAM_WINBIND_NEW_AUTHTOK_REQD "PAM_WINBIND_NEW_AUTHTOK_REQD"
 105 #define PAM_WINBIND_HOMEDIR "PAM_WINBIND_HOMEDIR"
 106
 107 #define SECONDS_PER_DAY 86400
 108
 109 #define DAYS_TO_WARN_BEFORE_PWD_EXPIRES 5
 110
 111 #include "winbind_client.h"
 112
 113 #include <dynconfig.h>
 114
 115 #define PAM_WB_REMARK_DIRECT(h,x)\
 116 {\
 117         const char *error_string = NULL; \
 118         error_string = _get_ntstatus_error_string(x);\
 119         if (error_string != NULL) {\
 120                 _make_remark(h, PAM_ERROR_MSG, error_string);\
 121         } else {\
 122                 _make_remark(h, PAM_ERROR_MSG, x);\
 123         };\
 124 };
 125
 126 #define PAM_WB_REMARK_DIRECT_RET(h,x)\
 127 {\
 128         const char *error_string = NULL; \
 129         error_string = _get_ntstatus_error_string(x);\
 130         if (error_string != NULL) {\
 131                 _make_remark(h, PAM_ERROR_MSG, error_string);\
 132                 return ret;\
 133         };\
 134         _make_remark(h, PAM_ERROR_MSG, x);\
 135         return ret;\
 136 };
 137
 138 #define PAM_WB_REMARK_CHECK_RESPONSE_RET(h,x,y)\
 139 {\
 140         const char *ntstatus = x.data.auth.nt_status_string; \
 141         const char *error_string = NULL; \
 142         if (!strcasecmp(ntstatus,y)) {\
 143                 error_string = _get_ntstatus_error_string(y);\
 144                 if (error_string != NULL) {\
 145                         _make_remark(h, PAM_ERROR_MSG, error_string);\
 146                         return ret;\
 147                 };\
 148                 if (x.data.auth.error_string[0] != '\0') {\
 149                         _make_remark(h, PAM_ERROR_MSG, x.data.auth.error_string);\
 150                         return ret;\
 151                 };\
 152                 _make_remark(h, PAM_ERROR_MSG, y);\
 153                 return ret;\
 154         };\
 155 };
 156
 157 /* from include/rpc_samr.h */
 158 #define DOMAIN_PASSWORD_COMPLEX            0x00000001
 159
 160 #define REJECT_REASON_OTHER             0x00000000
 161 #define REJECT_REASON_TOO_SHORT         0x00000001
 162 #define REJECT_REASON_IN_HISTORY        0x00000002
 163 #define REJECT_REASON_NOT_COMPLEX       0x00000005
 164
 165 /* from include/smb.h */
 166 #define ACB_PWNOEXP                     0x00000200
 167
 168 /* from include/rpc_netlogon.h */
 169 #define LOGON_CACHED_ACCOUNT            0x00000004
 170