src/lookups/passwd.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2009 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 #include "../exim.h"
   9
  10
  11
  12 /*************************************************
  13 *              Open entry point                  *
  14 *************************************************/
  15
  16 /* See local README for interface description */
  17
  18 static void *
  19 passwd_open(uschar *filename, uschar **errmsg)
  20 {
  21 filename = filename;     /* Keep picky compilers happy */
  22 errmsg = errmsg;
  23 return (void *)(-1);     /* Just return something non-null */
  24 }
  25
  26
  27
  28
  29 /*************************************************
  30 *         Find entry point for passwd           *
  31 *************************************************/
  32
  33 /* See local README for interface description */
  34
  35 static int
  36 passwd_find(void *handle, uschar *filename, uschar *keystring, int length,
  37   uschar **result, uschar **errmsg, BOOL *do_cache)
  38 {
  39 struct passwd *pw;
  40
  41 handle = handle;         /* Keep picky compilers happy */
  42 filename = filename;
  43 length = length;
  44 errmsg = errmsg;
  45 do_cache = do_cache;
  46
  47 if (!route_finduser(keystring, &pw, NULL)) return FAIL;
  48 *result = string_sprintf("*:%d:%d:%s:%s:%s", (int)pw->pw_uid, (int)pw->pw_gid,
  49   pw->pw_gecos, pw->pw_dir, pw->pw_shell);
  50 return OK;
  51 }
  52
  53
  54
  55 /*************************************************
  56 *         Version reporting entry point          *
  57 *************************************************/
  58
  59 /* See local README for interface description. */
  60
  61 #include "../version.h"
  62
  63 void
  64 passwd_version_report(FILE *f)
  65 {
  66 #ifdef DYNLOOKUP
  67 fprintf(f, "Library version: passwd: Exim version %s\n", EXIM_VERSION_STR);
  68 #endif
  69 }
  70
  71 static lookup_info _lookup_info = {
  72   US"passwd",                    /* lookup name */
  73   lookup_querystyle,             /* query-style lookup */
  74   passwd_open,                   /* open function */
  75   NULL,                          /* no check function */
  76   passwd_find,                   /* find function */
  77   NULL,                          /* no close function */
  78   NULL,                          /* no tidy function */
  79   NULL,                          /* no quoting function */
  80   passwd_version_report          /* version reporting */
  81 };
  82
  83 #ifdef DYNLOOKUP
  84 #define passwd_lookup_module_info _lookup_module_info
  85 #endif
  86
  87 static lookup_info *_lookup_list[] = { &_lookup_info };
  88 lookup_module_info passwd_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 1 };
  89
  90 /* End of lookups/passwd.c */