1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2015 */
6 /* Copyright (c) The Exim Maintainers 2020 */
7 /* See the file NOTICE for conditions of use and distribution. */
8
9 /* This code originally came from Robert Wal. */
10
11 #include "../exim.h"
12
13
14 #include <whoson.h> /* Public header */
15
16
17 /*************************************************
18 * Open entry point *
19 *************************************************/
20
21 /* See local README for interface description. */
22
23 static void *
whoson_open(const uschar * filename,uschar ** errmsg)24 whoson_open(const uschar * filename, uschar ** errmsg)
25 {
26 return (void *)(1); /* Just return something non-null */
27 }
28
29
30 /*************************************************
31 * Find entry point *
32 *************************************************/
33
34 /* See local README for interface description. */
35
36 static int
whoson_find(void * handle,const uschar * filename,uschar * query,int length,uschar ** result,uschar ** errmsg,uint * do_cache,const uschar * opts)37 whoson_find(void * handle, const uschar * filename, uschar * query, int length,
38 uschar ** result, uschar ** errmsg, uint * do_cache, const uschar * opts)
39 {
40 uschar buffer[80];
41
42 switch (wso_query(CS query, CS buffer, sizeof(buffer)))
43 {
44 case 0:
45 *result = string_copy(buffer); /* IP in database; return name of user */
46 return OK;
47
48 case +1:
49 return FAIL; /* IP not in database */
50
51 default:
52 *errmsg = string_sprintf("WHOSON: failed to complete: %s", buffer);
53 return DEFER;
54 }
55 }
56
57
58
59 /*************************************************
60 * Version reporting entry point *
61 *************************************************/
62
63 /* See local README for interface description. */
64
65 #include "../version.h"
66
67 void
whoson_version_report(FILE * f)68 whoson_version_report(FILE *f)
69 {
70 fprintf(f, "Library version: Whoson: Runtime: %s\n", wso_version());
71 #ifdef DYNLOOKUP
72 fprintf(f, " Exim version %s\n", EXIM_VERSION_STR);
73 #endif
74 }
75
76 static lookup_info _lookup_info = {
77 .name = US"whoson", /* lookup name */
78 .type = lookup_querystyle, /* query-style lookup */
79 .open = whoson_open, /* open function */
80 .check = NULL, /* check function */
81 .find = whoson_find, /* find function */
82 .close = NULL, /* no close function */
83 .tidy = NULL, /* no tidy function */
84 .quote = NULL, /* no quoting function */
85 .version_report = whoson_version_report /* version reporting */
86 };
87
88 #ifdef DYNLOOKUP
89 #define whoson_lookup_module_info _lookup_module_info
90 #endif
91
92 static lookup_info *_lookup_list[] = { &_lookup_info };
93 lookup_module_info whoson_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 1 };
94
95 /* End of lookups/whoson.c */
96