authpwd.c

   1 /*
   2 ** Copyright 1998 - 2004 Double Precision, Inc.  See COPYING for
   3 ** distribution information.
   4 */
   5
   6 #if     HAVE_CONFIG_H
   7 #include        "courier_auth_config.h"
   8 #endif
   9 #include        <stdio.h>
  10 #include        <stdlib.h>
  11 #include        <string.h>
  12 #include        <errno.h>
  13 #include        <pwd.h>
  14 #if     HAVE_UNISTD_H
  15 #include        <unistd.h>
  16 #endif
  17
  18 #include        "auth.h"
  19 #include        "courierauthstaticlist.h"
  20 #include        "courierauthdebug.h"
  21
  22
  23 extern int auth_pwd_pre(const char *userid, const char *service,
  24         int (*callback)(struct authinfo *, void *),
  25                         void *arg);
  26 extern void auth_pwd_enumerate( void(*cb_func)(const char *name,
  27                                                uid_t uid,
  28                                                gid_t gid,
  29                                                const char *homedir,
  30                                                const char *maildir,
  31                                                const char *options,
  32                                                void *void_arg),
  33                                 void *void_arg);
  34
  35 int auth_pwd(const char *service, const char *authtype, char *authdata,
  36              int (*callback_func)(struct authinfo *, void *),
  37              void *callback_arg)
  38 {
  39         const char *user, *pass;
  40
  41         if (strcmp(authtype, AUTHTYPE_LOGIN) ||
  42                 (user=strtok(authdata, "\n")) == 0 ||
  43                 (pass=strtok(0, "\n")) == 0)
  44         {
  45                 errno=EPERM;
  46                 return (-1);
  47         }
  48
  49         return auth_sys_common(&auth_pwd_pre,
  50                                user,
  51                                pass,
  52                                service,
  53                                callback_func,
  54                                callback_arg);
  55 }
  56
  57 static void auth_pwd_cleanup()
  58 {
  59 #if     HAVE_ENDPWENT
  60
  61         endpwent();
  62 #endif
  63 }
  64
  65 static struct authstaticinfo authpwd_info={
  66         "authpwd",
  67         auth_pwd,
  68         auth_pwd_pre,
  69         auth_pwd_cleanup,
  70         auth_syspasswd,
  71         auth_pwd_cleanup,
  72         auth_pwd_enumerate,
  73 } ;
  74
  75
  76 struct authstaticinfo *courier_authpwd_init()
  77 {
  78         return &authpwd_info;
  79 }