src/src/lookups/whoson.c

   1 /* $Cambridge: exim/src/src/lookups/whoson.c,v 1.5 2009/11/16 19:50:38 nm4 Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2009 */
   8 /* See the file NOTICE for conditions of use and distribution. */
   9
  10 /* This code originally came from Robert Wal. */
  11
  12 #include "../exim.h"
  13
  14
  15 #include <whoson.h>        /* Public header */
  16
  17
  18 /*************************************************
  19 *              Open entry point                  *
  20 *************************************************/
  21
  22 /* See local README for interface description. */
  23
  24 static void *
  25 whoson_open(uschar *filename, uschar **errmsg)
  26 {
  27 filename = filename;   /* Keep picky compilers happy */
  28 errmsg = errmsg;
  29 return (void *)(1);    /* Just return something non-null */
  30 }
  31
  32
  33 /*************************************************
  34 *               Find entry point                 *
  35 *************************************************/
  36
  37 /* See local README for interface description. */
  38
  39 static int
  40 whoson_find(void *handle, uschar *filename, uschar *query, int length,
  41   uschar **result, uschar **errmsg, BOOL *do_cache)
  42 {
  43 uschar buffer[80];
  44 handle = handle;          /* Keep picky compilers happy */
  45 filename = filename;
  46 length = length;
  47 errmsg = errmsg;
  48 do_cache = do_cache;
  49
  50 switch (wso_query(query, CS buffer, sizeof(buffer)))
  51   {
  52   case 0:
  53   *result = string_copy(buffer);    /* IP in database; return name of user */
  54   return OK;
  55
  56   case +1:
  57   return FAIL;                      /* IP not in database */
  58
  59   default:
  60   *errmsg = string_sprintf("WHOSON: failed to complete: %s", buffer);
  61   return DEFER;
  62   }
  63 }
  64
  65
  66
  67 /*************************************************
  68 *         Version reporting entry point          *
  69 *************************************************/
  70
  71 /* See local README for interface description. */
  72
  73 #include "../version.h"
  74
  75 void
  76 whoson_version_report(FILE *f)
  77 {
  78 fprintf(f, "Library version: Whoson: Runtime: %s\n", wso_version());
  79 #ifdef DYNLOOKUP
  80 fprintf(f, "                         Exim version %s\n", EXIM_VERSION_STR);
  81 #endif
  82 }
  83
  84 static lookup_info _lookup_info = {
  85   US"whoson",                    /* lookup name */
  86   lookup_querystyle,             /* query-style lookup */
  87   whoson_open,                   /* open function */
  88   NULL,                          /* check function */
  89   whoson_find,                   /* find function */
  90   NULL,                          /* no close function */
  91   NULL,                          /* no tidy function */
  92   NULL,                          /* no quoting function */
  93   whoson_version_report          /* version reporting */
  94 };
  95
  96 #ifdef DYNLOOKUP
  97 #define whoson_lookup_module_info _lookup_module_info
  98 #endif
  99
 100 static lookup_info *_lookup_list[] = { &_lookup_info };
 101 lookup_module_info whoson_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 1 };
 102
 103 /* End of lookups/whoson.c */