src/src/lookups/whoson.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2015 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 /* This code originally came from Robert Wal. */
   9
  10 #include "../exim.h"
  11
  12
  13 #include <whoson.h>        /* Public header */
  14
  15
  16 /*************************************************
  17 *              Open entry point                  *
  18 *************************************************/
  19
  20 /* See local README for interface description. */
  21
  22 static void *
  23 whoson_open(uschar *filename, uschar **errmsg)
  24 {
  25 filename = filename;   /* Keep picky compilers happy */
  26 errmsg = errmsg;
  27 return (void *)(1);    /* Just return something non-null */
  28 }
  29
  30
  31 /*************************************************
  32 *               Find entry point                 *
  33 *************************************************/
  34
  35 /* See local README for interface description. */
  36
  37 static int
  38 whoson_find(void *handle, uschar *filename, uschar *query, int length,
  39   uschar **result, uschar **errmsg, uint *do_cache)
  40 {
  41 uschar buffer[80];
  42 handle = handle;          /* Keep picky compilers happy */
  43 filename = filename;
  44 length = length;
  45 errmsg = errmsg;
  46 do_cache = do_cache;
  47
  48 switch (wso_query(CS query, CS buffer, sizeof(buffer)))
  49   {
  50   case 0:
  51   *result = string_copy(buffer);    /* IP in database; return name of user */
  52   return OK;
  53
  54   case +1:
  55   return FAIL;                      /* IP not in database */
  56
  57   default:
  58   *errmsg = string_sprintf("WHOSON: failed to complete: %s", buffer);
  59   return DEFER;
  60   }
  61 }
  62
  63
  64
  65 /*************************************************
  66 *         Version reporting entry point          *
  67 *************************************************/
  68
  69 /* See local README for interface description. */
  70
  71 #include "../version.h"
  72
  73 void
  74 whoson_version_report(FILE *f)
  75 {
  76 fprintf(f, "Library version: Whoson: Runtime: %s\n", wso_version());
  77 #ifdef DYNLOOKUP
  78 fprintf(f, "                         Exim version %s\n", EXIM_VERSION_STR);
  79 #endif
  80 }
  81
  82 static lookup_info _lookup_info = {
  83   US"whoson",                    /* lookup name */
  84   lookup_querystyle,             /* query-style lookup */
  85   whoson_open,                   /* open function */
  86   NULL,                          /* check function */
  87   whoson_find,                   /* find function */
  88   NULL,                          /* no close function */
  89   NULL,                          /* no tidy function */
  90   NULL,                          /* no quoting function */
  91   whoson_version_report          /* version reporting */
  92 };
  93
  94 #ifdef DYNLOOKUP
  95 #define whoson_lookup_module_info _lookup_module_info
  96 #endif
  97
  98 static lookup_info *_lookup_list[] = { &_lookup_info };
  99 lookup_module_info whoson_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 1 };
 100
 101 /* End of lookups/whoson.c */