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 #include "lib/replace/replace.h"
   8 #include "system/syslog.h"
   9 #include "system/time.h"
  10
  11 #define MODULE_NAME "pam_winbind"
  12 #define PAM_SM_AUTH
  13 #define PAM_SM_ACCOUNT
  14 #define PAM_SM_PASSWORD
  15
  16 #ifndef PAM_WINBIND_CONFIG_FILE
  17 #define PAM_WINBIND_CONFIG_FILE "/etc/security/pam_winbind.conf"
  18 #endif
  19
  20 #include <iniparser.h>
  21
  22 #ifndef LINUX
  23
  24 /* Solaris always uses dynamic pam modules */
  25 #define PAM_EXTERN extern
  26 #include <security/pam_appl.h>
  27
  28 #ifndef PAM_AUTHTOK_RECOVER_ERR
  29 #define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR
  30 #endif
  31
  32 #endif /* defined(SUNOS5) || defined(SUNOS4) || defined(HPUX) || defined(FREEBSD) || defined(AIX) */
  33
  34 #ifdef HAVE_SECURITY_PAM_MODULES_H
  35 #include <security/pam_modules.h>
  36 #endif
  37
  38 #ifdef HAVE_SECURITY__PAM_MACROS_H
  39 #include <security/_pam_macros.h>
  40 #else
  41 /* Define required macros from (Linux PAM 0.68) security/_pam_macros.h */
  42 #define _pam_drop_reply(/* struct pam_response * */ reply, /* int */ replies) \
  43 do {                                              \
  44     int reply_i;                                  \
  45                                                   \
  46     for (reply_i=0; reply_i<replies; ++reply_i) { \
  47         if (reply[reply_i].resp) {                \
  48             _pam_overwrite(reply[reply_i].resp);  \
  49             free(reply[reply_i].resp);            \
  50         }                                         \
  51     }                                             \
  52     if (reply)                                    \
  53         free(reply);                              \
  54 } while (0)
  55
  56 #define _pam_overwrite(x)        \
  57 do {                             \
  58      register char *__xx__;      \
  59      if ((__xx__=(x)))           \
  60           while (*__xx__)        \
  61                *__xx__++ = '\0'; \
  62 } while (0)
  63
  64 /*
  65  * Don't just free it, forget it too.
  66  */
  67
  68 #define _pam_drop(X) SAFE_FREE(X)
  69
  70 #define  x_strdup(s)  ( (s) ? strdup(s):NULL )
  71 #endif /* HAVE_SECURITY__PAM_MACROS_H */
  72
  73 #ifdef HAVE_SECURITY_PAM_EXT_H
  74 #include <security/pam_ext.h>
  75 #endif
  76
  77 #define WINBIND_DEBUG_ARG (1<<0)
  78 #define WINBIND_USE_AUTHTOK_ARG (1<<1)
  79 #define WINBIND_UNKNOWN_OK_ARG (1<<2)
  80 #define WINBIND_TRY_FIRST_PASS_ARG (1<<3)
  81 #define WINBIND_USE_FIRST_PASS_ARG (1<<4)
  82 #define WINBIND__OLD_PASSWORD (1<<5)
  83 #define WINBIND_REQUIRED_MEMBERSHIP (1<<6)
  84 #define WINBIND_KRB5_AUTH (1<<7)
  85 #define WINBIND_KRB5_CCACHE_TYPE (1<<8)
  86 #define WINBIND_CACHED_LOGIN (1<<9)
  87 #define WINBIND_CONFIG_FILE (1<<10)
  88 #define WINBIND_SILENT (1<<11)
  89 #define WINBIND_DEBUG_STATE (1<<12)
  90
  91 /*
  92  * here is the string to inform the user that the new passwords they
  93  * typed were not the same.
  94  */
  95
  96 #define MISTYPED_PASS "Sorry, passwords do not match"
  97
  98 #define on(x, y) (x & y)
  99 #define off(x, y) (!(x & y))
 100
 101 #define PAM_WINBIND_NEW_AUTHTOK_REQD "PAM_WINBIND_NEW_AUTHTOK_REQD"
 102 #define PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH "PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH"
 103 #define PAM_WINBIND_HOMEDIR "PAM_WINBIND_HOMEDIR"
 104 #define PAM_WINBIND_LOGONSCRIPT "PAM_WINBIND_LOGONSCRIPT"
 105 #define PAM_WINBIND_LOGONSERVER "PAM_WINBIND_LOGONSERVER"
 106 #define PAM_WINBIND_PROFILEPATH "PAM_WINBIND_PROFILEPATH"
 107 #define PAM_WINBIND_PWD_LAST_SET "PAM_WINBIND_PWD_LAST_SET"
 108
 109 #define SECONDS_PER_DAY 86400
 110
 111 #define DAYS_TO_WARN_BEFORE_PWD_EXPIRES 5
 112
 113 #include "winbind_client.h"
 114
 115 #define PAM_WB_REMARK_DIRECT(h,f,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, f, PAM_ERROR_MSG, error_string);\
 121         } else {\
 122                 _make_remark(h, f, PAM_ERROR_MSG, x);\
 123         };\
 124 };
 125
 126 #define PAM_WB_REMARK_DIRECT_RET(h,f,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, f, PAM_ERROR_MSG, error_string);\
 132                 return ret;\
 133         };\
 134         _make_remark(h, f, PAM_ERROR_MSG, x);\
 135         return ret;\
 136 };
 137
 138 #define PAM_WB_REMARK_CHECK_RESPONSE(h,f,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, f, PAM_ERROR_MSG, error_string);\
 146                 };\
 147                 if (x.data.auth.error_string[0] != '\0') {\
 148                         _make_remark(h, f, PAM_ERROR_MSG, x.data.auth.error_string);\
 149                 };\
 150                 _make_remark(h, f, PAM_ERROR_MSG, y);\
 151         };\
 152 };
 153
 154 #define PAM_WB_REMARK_CHECK_RESPONSE_RET(h,f,x,y)\
 155 {\
 156         const char *ntstatus = x.data.auth.nt_status_string; \
 157         const char *error_string = NULL; \
 158         if (!strcasecmp(ntstatus,y)) {\
 159                 error_string = _get_ntstatus_error_string(y);\
 160                 if (error_string != NULL) {\
 161                         _make_remark(h, f, PAM_ERROR_MSG, error_string);\
 162                         return ret;\
 163                 };\
 164                 if (x.data.auth.error_string[0] != '\0') {\
 165                         _make_remark(h, f, PAM_ERROR_MSG, x.data.auth.error_string);\
 166                         return ret;\
 167                 };\
 168                 _make_remark(h, f, PAM_ERROR_MSG, y);\
 169                 return ret;\
 170         };\
 171 };
 172
 173 /* from include/rpc_samr.h */
 174 #define DOMAIN_PASSWORD_COMPLEX            0x00000001
 175
 176 #define REJECT_REASON_OTHER             0x00000000
 177 #define REJECT_REASON_TOO_SHORT         0x00000001
 178 #define REJECT_REASON_IN_HISTORY        0x00000002
 179 #define REJECT_REASON_NOT_COMPLEX       0x00000005
 180
 181 /* from include/smb.h */
 182 #define ACB_PWNOEXP                     0x00000200
 183
 184 /* from include/rpc_netlogon.h */
 185 #define LOGON_CACHED_ACCOUNT            0x00000004
 186 #define LOGON_GRACE_LOGON               0x01000000
 187
 188 #define PAM_WB_CACHED_LOGON(x) (x & LOGON_CACHED_ACCOUNT)
 189 #define PAM_WB_GRACE_LOGON(x)  ((LOGON_CACHED_ACCOUNT|LOGON_GRACE_LOGON) == ( x & (LOGON_CACHED_ACCOUNT|LOGON_GRACE_LOGON)))