authpgsql.c

   1 /*
   2 ** Copyright 2000-2008 Double Precision, Inc.  See COPYING for
   3 ** distribution information.
   4 */
   5 #if     HAVE_CONFIG_H
   6 #include        "courier_auth_config.h"
   7 #endif
   8 #include        <stdio.h>
   9 #include        <stdlib.h>
  10 #include        <string.h>
  11 #include        <errno.h>
  12 #include        <pwd.h>
  13 #if     HAVE_UNISTD_H
  14 #include        <unistd.h>
  15 #endif
  16
  17 #include        "auth.h"
  18 #include        "authpgsql.h"
  19 #include        "courierauth.h"
  20 #include        "courierauthstaticlist.h"
  21 #include        "courierauthdebug.h"
  22 #include        "libhmac/hmac.h"
  23
  24 extern void auth_pgsql_enumerate( void(*cb_func)(const char *name,
  25                                                  uid_t uid,
  26                                                  gid_t gid,
  27                                                  const char *homedir,
  28                                                  const char *maildir,
  29                                                  const char *options,
  30                                                  void *void_arg),
  31                                   void *void_arg);
  32
  33 static int auth_pgsql_cram(const char *service,
  34                            const char *authtype, char *authdata,
  35                            int (*callback_func)(struct authinfo *, void *),
  36                            void *callback_arg)
  37 {
  38         struct  cram_callback_info      cci;
  39
  40         if (auth_get_cram(authtype, authdata, &cci))
  41                 return (-1);
  42
  43         cci.callback_func=callback_func;
  44         cci.callback_arg=callback_arg;
  45
  46         return auth_pgsql_pre(cci.user, service, &auth_cram_callback, &cci);
  47 }
  48
  49 int auth_pgsql(const char *service, const char *authtype, char *authdata,
  50                int (*callback_func)(struct authinfo *, void *),
  51                void *callback_arg)
  52 {
  53         if (strcmp(authtype, AUTHTYPE_LOGIN) == 0)
  54                 return (auth_pgsql_login(service, authdata,
  55                         callback_func, callback_arg));
  56
  57         return (auth_pgsql_cram(service, authtype, authdata,
  58                         callback_func, callback_arg));
  59 }
  60
  61 extern int auth_pgsql_pre(const char *user, const char *service,
  62                           int (*callback)(struct authinfo *, void *),
  63                           void *arg);
  64
  65 static struct authstaticinfo authpgsql_info={
  66         "authpgsql",
  67         auth_pgsql,
  68         auth_pgsql_pre,
  69         auth_pgsql_cleanup,
  70         auth_pgsql_changepw,
  71         auth_pgsql_cleanup,
  72         auth_pgsql_enumerate};
  73
  74 struct authstaticinfo *courier_authpgsql_init()
  75 {
  76         return &authpgsql_info;
  77 }