-/* $Cambridge: exim/src/src/lookups/dsearch.c,v 1.4 2007/01/08 10:50:19 ph10 Exp $ */
-
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2007 */
+/* 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"
/* 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);
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;
* 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;
return DEFER;
}
-if (Ustat(filename, &statbuf) >= 0)
+if (Ulstat(filename, &statbuf) >= 0)
{
*result = string_copy(keystring);
return OK;
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;
}
/* 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 */