X-Git-Url: https://vcs.fsf.org/?p=exim.git;a=blobdiff_plain;f=src%2Fsrc%2Flookups%2Fdsearch.c;h=990b69c8bcb123866ac394452042cb4ef17d8579;hp=2e98b360eb66899a4dec2e60337554263c395b3b;hb=9852336a0e497e2f2ef5e12919ac602defef957b;hpb=d7d7b7b91dd75cec636fc144da7e27eed860f971 diff --git a/src/src/lookups/dsearch.c b/src/src/lookups/dsearch.c index 2e98b360e..990b69c8b 100644 --- a/src/src/lookups/dsearch.c +++ b/src/src/lookups/dsearch.c @@ -1,20 +1,17 @@ -/* $Cambridge: exim/src/src/lookups/dsearch.c,v 1.3 2006/02/07 11:19:01 ph10 Exp $ */ - /************************************************* * Exim - an Internet mail transport agent * *************************************************/ -/* Copyright (c) University of Cambridge 1995 - 2006 */ +/* Copyright (c) University of Cambridge 1995 - 2009 */ /* See the file NOTICE for conditions of use and distribution. */ /* The idea for this code came from Matthew Byng-Maddick, but his original has -been heavily reworked a lot for Exim 4 (and it now uses stat() rather than a -directory scan). */ +been heavily reworked a lot for Exim 4 (and it now uses stat() (more precisely: +lstat()) rather than a directory scan). */ #include "../exim.h" #include "lf_functions.h" -#include "dsearch.h" @@ -24,10 +21,10 @@ directory scan). */ /* See local README for interface description. We open the directory to test whether it exists and whether it is searchable. However, we don't need to keep -it open, because the "search" can be done by a call to stat() rather than +it open, because the "search" can be done by a call to lstat() rather than actually scanning through the list of files. */ -void * +static void * dsearch_open(uschar *dirname, uschar **errmsg) { DIR *dp = opendir(CS dirname); @@ -51,7 +48,7 @@ return (void *)(-1); integer as this gives warnings on 64-bit systems. */ BOOL -dsearch_check(void *handle, uschar *filename, int modemask, uid_t *owners, +static dsearch_check(void *handle, uschar *filename, int modemask, uid_t *owners, gid_t *owngroups, uschar **errmsg) { handle = handle; @@ -64,12 +61,12 @@ return lf_check_file(-1, filename, S_IFDIR, modemask, owners, owngroups, * Find entry point * *************************************************/ -/* See local README for interface description. We use stat() instead of +/* See local README for interface description. We use lstat() instead of scanning the directory, as it is hopefully faster to let the OS do the scanning for us. */ int -dsearch_find(void *handle, uschar *dirname, uschar *keystring, int length, +static dsearch_find(void *handle, uschar *dirname, uschar *keystring, int length, uschar **result, uschar **errmsg, BOOL *do_cache) { struct stat statbuf; @@ -93,7 +90,7 @@ if (!string_format(filename, sizeof(filename), "%s/%s", dirname, keystring)) return DEFER; } -if (Ustat(filename, &statbuf) >= 0) +if (Ulstat(filename, &statbuf) >= 0) { *result = string_copy(keystring); return OK; @@ -102,7 +99,7 @@ if (Ustat(filename, &statbuf) >= 0) if (errno == ENOENT) return FAIL; save_errno = errno; -*errmsg = string_sprintf("%s: stat failed", filename); +*errmsg = string_sprintf("%s: lstat failed", filename); errno = save_errno; return DEFER; } @@ -115,9 +112,46 @@ return DEFER; /* See local README for interface description */ void -dsearch_close(void *handle) +static dsearch_close(void *handle) { handle = handle; /* Avoid compiler warning */ } + +/************************************************* +* Version reporting entry point * +*************************************************/ + +/* See local README for interface description. */ + +#include "../version.h" + +void +dsearch_version_report(FILE *f) +{ +#ifdef DYNLOOKUP +fprintf(f, "Library version: dsearch: Exim version %s\n", EXIM_VERSION_STR); +#endif +} + + +static lookup_info _lookup_info = { + US"dsearch", /* lookup name */ + lookup_absfile, /* uses absolute file name */ + dsearch_open, /* open function */ + dsearch_check, /* check function */ + dsearch_find, /* find function */ + dsearch_close, /* close function */ + NULL, /* no tidy function */ + NULL, /* no quoting function */ + dsearch_version_report /* version reporting */ +}; + +#ifdef DYNLOOKUP +#define dsearch_lookup_module_info _lookup_module_info +#endif + +static lookup_info *_lookup_list[] = { &_lookup_info }; +lookup_module_info dsearch_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 1 }; + /* End of lookups/dsearch.c */