4166089bd700775004c1ede8da4bc7812660ff63
[exim.git] / src / src / lookups / whoson.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 /* 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, BOOL *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 */