| 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 */ |