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 #include "localedir.h"
  11
  12 #define MODULE_NAME "pam_winbind"
  13 #define PAM_SM_AUTH
  14 #define PAM_SM_ACCOUNT
  15 #define PAM_SM_PASSWORD
  16 #define PAM_SM_SESSION
  17
  18 #ifndef PAM_WINBIND_CONFIG_FILE
  19 #define PAM_WINBIND_CONFIG_FILE "/etc/security/pam_winbind.conf"
  20 #endif
  21
  22 #include <iniparser.h>
  23
  24 #ifdef HAVE_LIBINTL_H
  25 #include <libintl.h>
  26 #endif
  27
  28 #ifndef LINUX
  29
  30 /* Solaris always uses dynamic pam modules */
  31 #define PAM_EXTERN extern
  32 #if defined(HAVE_SECURITY_PAM_APPL_H)
  33 #include <security/pam_appl.h>
  34 #elif defined(HAVE_PAM_PAM_APPL_H)
  35 #include <pam/pam_appl.h>
  36 #endif
  37
  38 #ifndef PAM_AUTHTOK_RECOVER_ERR
  39 #define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR
  40 #endif
  41
  42 #endif /* defined(SUNOS5) || defined(SUNOS4) || defined(HPUX) || defined(FREEBSD) || defined(AIX) */
  43
  44 #if defined(HAVE_SECURITY_PAM_MODULES_H)
  45 #include <security/pam_modules.h>
  46 #elif defined(HAVE_PAM_PAM_MODULES_H)
  47 #include <pam/pam_modules.h>
  48 #endif
  49
  50 #if defined(HAVE_SECURITY__PAM_MACROS_H)
  51 #include <security/_pam_macros.h>
  52 #elif defined(HAVE_PAM__PAM_MACROS_H)
  53 #include <pam/_pam_macros.h>
  54 #else
  55 /* Define required macros from (Linux PAM 0.68) security/_pam_macros.h */
  56 #define _pam_drop_reply(/* struct pam_response * */ reply, /* int */ replies) \
  57 do {                                              \
  58     int reply_i;                                  \
  59                                                   \
  60     for (reply_i=0; reply_i<replies; ++reply_i) { \
  61         if (reply[reply_i].resp) {                \
  62             _pam_overwrite(reply[reply_i].resp);  \
  63             free(reply[reply_i].resp);            \
  64         }                                         \
  65     }                                             \
  66     if (reply)                                    \
  67         free(reply);                              \
  68 } while (0)
  69
  70 #define _pam_overwrite(x)        \
  71 do {                             \
  72      register char *__xx__;      \
  73      if ((__xx__=(x)))           \
  74           while (*__xx__)        \
  75                *__xx__++ = '\0'; \
  76 } while (0)
  77
  78 /*
  79  * Don't just free it, forget it too.
  80  */
  81
  82 #define _pam_drop(X) SAFE_FREE(X)
  83
  84 #define  x_strdup(s)  ( (s) ? strdup(s):NULL )
  85 #endif /* HAVE_SECURITY__PAM_MACROS_H */
  86
  87 #ifdef HAVE_SECURITY_PAM_EXT_H
  88 #include <security/pam_ext.h>
  89 #endif
  90
  91 #define WINBIND_DEBUG_ARG               0x00000001
  92 #define WINBIND_USE_AUTHTOK_ARG         0x00000002
  93 #define WINBIND_UNKNOWN_OK_ARG          0x00000004
  94 #define WINBIND_TRY_FIRST_PASS_ARG      0x00000008
  95 #define WINBIND_USE_FIRST_PASS_ARG      0x00000010
  96 #define WINBIND__OLD_PASSWORD           0x00000020
  97 #define WINBIND_REQUIRED_MEMBERSHIP     0x00000040
  98 #define WINBIND_KRB5_AUTH               0x00000080
  99 #define WINBIND_KRB5_CCACHE_TYPE        0x00000100
 100 #define WINBIND_CACHED_LOGIN            0x00000200
 101 #define WINBIND_CONFIG_FILE             0x00000400
 102 #define WINBIND_SILENT                  0x00000800
 103 #define WINBIND_DEBUG_STATE             0x00001000
 104 #define WINBIND_WARN_PWD_EXPIRE         0x00002000
 105
 106 #if defined(HAVE_GETTEXT) && !defined(__LCLINT__)
 107 #define _(string) dgettext(MODULE_NAME, string)
 108 #else
 109 #define _(string) string
 110 #endif
 111
 112 #define N_(string) string
 113
 114 /*
 115  * here is the string to inform the user that the new passwords they
 116  * typed were not the same.
 117  */
 118
 119 #define MISTYPED_PASS _("Sorry, passwords do not match")
 120
 121 #define on(x, y) (x & y)
 122 #define off(x, y) (!(x & y))
 123
 124 #define PAM_WINBIND_NEW_AUTHTOK_REQD "PAM_WINBIND_NEW_AUTHTOK_REQD"
 125 #define PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH "PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH"
 126 #define PAM_WINBIND_HOMEDIR "PAM_WINBIND_HOMEDIR"
 127 #define PAM_WINBIND_LOGONSCRIPT "PAM_WINBIND_LOGONSCRIPT"
 128 #define PAM_WINBIND_LOGONSERVER "PAM_WINBIND_LOGONSERVER"
 129 #define PAM_WINBIND_PROFILEPATH "PAM_WINBIND_PROFILEPATH"
 130 #define PAM_WINBIND_PWD_LAST_SET "PAM_WINBIND_PWD_LAST_SET"
 131
 132 #define SECONDS_PER_DAY 86400
 133
 134 #define DEFAULT_DAYS_TO_WARN_BEFORE_PWD_EXPIRES 14
 135
 136 #include "winbind_client.h"
 137
 138 #define PAM_WB_REMARK_DIRECT(c,x)\
 139 {\
 140         const char *error_string = NULL; \
 141         error_string = _get_ntstatus_error_string(x);\
 142         if (error_string != NULL) {\
 143                 _make_remark(c, PAM_ERROR_MSG, error_string);\
 144         } else {\
 145                 _make_remark(c, PAM_ERROR_MSG, x);\
 146         };\
 147 };
 148
 149 #define PAM_WB_REMARK_DIRECT_RET(h,f,x)\
 150 {\
 151         const char *error_string = NULL; \
 152         error_string = _get_ntstatus_error_string(x);\
 153         if (error_string != NULL) {\
 154                 _make_remark(h, f, PAM_ERROR_MSG, error_string);\
 155                 return ret;\
 156         };\
 157         _make_remark(h, f, PAM_ERROR_MSG, x);\
 158         return ret;\
 159 };
 160
 161 #define PAM_WB_REMARK_CHECK_RESPONSE(c,x,y)\
 162 {\
 163         const char *ntstatus = x.data.auth.nt_status_string; \
 164         const char *error_string = NULL; \
 165         if (!strcasecmp(ntstatus,y)) {\
 166                 error_string = _get_ntstatus_error_string(y);\
 167                 if (error_string != NULL) {\
 168                         _make_remark(c, PAM_ERROR_MSG, error_string);\
 169                 };\
 170                 if (x.data.auth.error_string[0] != '\0') {\
 171                         _make_remark(c, PAM_ERROR_MSG, x.data.auth.error_string);\
 172                 };\
 173                 _make_remark(c, PAM_ERROR_MSG, y);\
 174         };\
 175 };
 176
 177 #define PAM_WB_REMARK_CHECK_RESPONSE_RET(c,x,y)\
 178 {\
 179         const char *ntstatus = x.data.auth.nt_status_string; \
 180         const char *error_string = NULL; \
 181         if (!strcasecmp(ntstatus,y)) {\
 182                 error_string = _get_ntstatus_error_string(y);\
 183                 if (error_string != NULL) {\
 184                         _make_remark(c, PAM_ERROR_MSG, error_string);\
 185                         return ret;\
 186                 };\
 187                 if (x.data.auth.error_string[0] != '\0') {\
 188                         _make_remark(c, PAM_ERROR_MSG, x.data.auth.error_string);\
 189                         return ret;\
 190                 };\
 191                 _make_remark(c, PAM_ERROR_MSG, y);\
 192                 return ret;\
 193         };\
 194 };
 195
 196 /* from samr.idl */
 197 #define DOMAIN_PASSWORD_COMPLEX         0x00000001
 198
 199 #define SAMR_REJECT_OTHER               0x00000000
 200 #define SAMR_REJECT_TOO_SHORT           0x00000001
 201 #define SAMR_REJECT_IN_HISTORY          0x00000002
 202 #define SAMR_REJECT_COMPLEXITY          0x00000005
 203
 204 #define ACB_PWNOEXP                     0x00000200
 205
 206 /* from netlogon.idl */
 207 #define NETLOGON_CACHED_ACCOUNT         0x00000004
 208 #define NETLOGON_GRACE_LOGON            0x01000000
 209
 210 /* from include/rpc_netlogon.h */
 211 #define LOGON_KRB5_FAIL_CLOCK_SKEW      0x02000000
 212
 213 #define PAM_WB_CACHED_LOGON(x) (x & NETLOGON_CACHED_ACCOUNT)
 214 #define PAM_WB_KRB5_CLOCK_SKEW(x) (x & LOGON_KRB5_FAIL_CLOCK_SKEW)
 215 #define PAM_WB_GRACE_LOGON(x)  ((NETLOGON_CACHED_ACCOUNT|NETLOGON_GRACE_LOGON) == ( x & (NETLOGON_CACHED_ACCOUNT|NETLOGON_GRACE_LOGON)))
 216
 217 struct pwb_context {
 218         pam_handle_t *pamh;
 219         int flags;
 220         int argc;
 221         const char **argv;
 222         dictionary *dict;
 223         uint32_t ctrl;
 224 };