projects / exim.git / blame
| Commit | Line | Data |
|---|---|---|
| 184e8823 | 1 | /* $Cambridge: exim/src/src/lookups/whoson.c,v 1.4 2007/01/08 10:50:19 ph10 Exp $ */ |
| 0756eb3c PH |
2 | |
| 3 | /************************************************* | |
| 4 | * Exim - an Internet mail transport agent * | |
| 5 | *************************************************/ | |
| 6 | ||
| 184e8823 | 7 | /* Copyright (c) University of Cambridge 1995 - 2007 */ |
| 0756eb3c PH |
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 | /* We can't just compile this code and allow the library mechanism to omit the | |
| 16 | functions if they are not wanted, because we need to have the WHOSON headers | |
| 17 | available for compiling. Therefore, compile these functions only if | |
| 18 | LOOKUP_WHOSON is defined. However, some compilers don't like compiling empty | |
| 19 | modules, so keep them happy with a dummy when skipping the rest. Make it | |
| 20 | reference itself to stop picky compilers complaining that it is unused, and put | |
| 21 | in a dummy argument to stop even pickier compilers complaining about infinite | |
| 22 | loops. */ | |
| 23 | ||
| 24 | #ifndef LOOKUP_WHOSON | |
| 25 | static void dummy(int x) { dummy(x-1); } | |
| 26 | #else | |
| 27 | ||
| 28 | ||
| 29 | #include <whoson.h> /* Public header */ | |
| 30 | #include "whoson.h" /* Local header */ | |
| 31 | ||
| 32 | ||
| 33 | /************************************************* | |
| 34 | * Open entry point * | |
| 35 | *************************************************/ | |
| 36 | ||
| 37 | /* See local README for interface description. */ | |
| 38 | ||
| 39 | void * | |
| 40 | whoson_open(uschar *filename, uschar **errmsg) | |
| 41 | { | |
| 42 | filename = filename; /* Keep picky compilers happy */ | |
| 43 | errmsg = errmsg; | |
| 44 | return (void *)(1); /* Just return something non-null */ | |
| 45 | } | |
| 46 | ||
| 47 | ||
| 48 | /************************************************* | |
| 49 | * Find entry point * | |
| 50 | *************************************************/ | |
| 51 | ||
| 52 | /* See local README for interface description. */ | |
| 53 | ||
| 54 | int | |
| 55 | whoson_find(void *handle, uschar *filename, uschar *query, int length, | |
| 56 | uschar **result, uschar **errmsg, BOOL *do_cache) | |
| 57 | { | |
| 58 | uschar buffer[80]; | |
| 59 | handle = handle; /* Keep picky compilers happy */ | |
| 60 | filename = filename; | |
| 61 | length = length; | |
| 62 | errmsg = errmsg; | |
| 63 | do_cache = do_cache; | |
| 64 | ||
| 65 | switch (wso_query(query, CS buffer, sizeof(buffer))) | |
| 66 | { | |
| 67 | case 0: | |
| 68 | *result = string_copy(buffer); /* IP in database; return name of user */ | |
| 69 | return OK; | |
| 70 | ||
| 71 | case +1: | |
| 72 | return FAIL; /* IP not in database */ | |
| 73 | ||
| 74 | default: | |
| 75 | *errmsg = string_sprintf("WHOSON: failed to complete: %s", buffer); | |
| 76 | return DEFER; | |
| 77 | } | |
| 78 | } | |
| 79 | ||
| 80 | #endif /* LOOKUP_WHOSON */ | |
| 81 | ||
| 82 | /* End of lookups/whoson.c */ |