* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2012 */
+/* Copyright (c) The Exim Maintainers 2020 - 2024 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
/* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "../exim.h"
#include "lf_functions.h"
/* See local README for interface description */
static void *
-dbmdb_open(uschar *filename, uschar **errmsg)
+dbmdb_open(const uschar * filename, uschar ** errmsg)
{
-EXIM_DB *yield = NULL;
-EXIM_DBOPEN(filename, O_RDONLY, 0, &yield);
-if (yield == NULL)
- {
- int save_errno = errno;
- *errmsg = string_open_failed(errno, "%s as a %s file", filename, EXIM_DBTYPE);
- errno = save_errno;
- }
+uschar * dirname = string_copy(filename);
+uschar * s;
+EXIM_DB * yield = NULL;
+
+if ((s = Ustrrchr(dirname, '/'))) *s = '\0';
+if (!(yield = exim_dbopen(filename, dirname, O_RDONLY, 0)))
+ *errmsg = string_open_failed("%s as a %s file", filename, EXIM_DBTYPE);
return yield;
}
*/
static BOOL
-dbmdb_check(void *handle, uschar *filename, int modemask, uid_t *owners,
+dbmdb_check(void *handle, const uschar *filename, int modemask, uid_t *owners,
gid_t *owngroups, uschar **errmsg)
{
int rc;
-handle = handle; /* Keep picky compilers happy */
#if defined(USE_DB) || defined(USE_TDB) || defined(USE_GDBM)
rc = lf_check_file(-1, filename, S_IFREG, modemask, owners, owngroups,
the keylength in order to include the terminating zero. */
static int
-dbmdb_find(void *handle, uschar *filename, uschar *keystring, int length,
- uschar **result, uschar **errmsg, BOOL *do_cache)
+dbmdb_find(void * handle, const uschar * filename, const uschar * keystring,
+ int length, uschar ** result, uschar ** errmsg, uint * do_cache,
+ const uschar * opts)
{
EXIM_DB *d = (EXIM_DB *)handle;
EXIM_DATUM key, data;
-filename = filename; /* Keep picky compilers happy */
-errmsg = errmsg;
-do_cache = do_cache;
-
-EXIM_DATUM_INIT(key); /* Some DBM libraries require datums to */
-EXIM_DATUM_INIT(data); /* be cleared before use. */
-EXIM_DATUM_DATA(key) = CS keystring;
-EXIM_DATUM_SIZE(key) = length + 1;
+exim_datum_init(&key); /* Some DBM libraries require datums to */
+exim_datum_init(&data); /* be cleared before use. */
+length++;
+exim_datum_data_set(&key,
+ memcpy(store_get(length, keystring), keystring, length)); /* key can have embedded NUL */
+exim_datum_size_set(&key, length);
-if (EXIM_DBGET(d, key, data))
+if (exim_dbget(d, &key, &data))
{
- *result = string_copyn(US EXIM_DATUM_DATA(data), EXIM_DATUM_SIZE(data));
- EXIM_DATUM_FREE(data); /* Some DBM libraries need a free() call */
+ unsigned len = exim_datum_size_get(&data);
+ *result = len > 0 ? string_copyn(exim_datum_data_get(&data), len) : US"";
+ exim_datum_free(&data); /* Some DBM libraries need a free() call */
return OK;
}
return FAIL;
/* See local README for interface description */
-int
-static dbmnz_find(void *handle, uschar *filename, uschar *keystring, int length,
- uschar **result, uschar **errmsg, BOOL *do_cache)
+static int
+dbmnz_find(void * handle, const uschar * filename, const uschar * keystring,
+ int length, uschar ** result, uschar ** errmsg, uint * do_cache,
+ const uschar * opts)
{
return dbmdb_find(handle, filename, keystring, length-1, result, errmsg,
- do_cache);
+ do_cache, opts);
}
*/
static int
-dbmjz_find(void *handle, uschar *filename, uschar *keystring, int length,
- uschar **result, uschar **errmsg, BOOL *do_cache)
+dbmjz_find(void * handle, const uschar * filename, const uschar * keystring,
+ int length, uschar ** result, uschar ** errmsg, uint * do_cache,
+ const uschar * opts)
{
uschar *key_item, *key_buffer, *key_p;
-uschar *key_elems = keystring;
+const uschar *key_elems = keystring;
int buflen, bufleft, key_item_len, sep = 0;
/* To a first approximation, the size of the lookup key needs to be about,
or less than, the length of the delimited list passed in + 1. */
buflen = length + 3;
-key_buffer = store_get(buflen);
+key_buffer = store_get(buflen, keystring);
key_buffer[0] = '\0';
empty element to put one in. Boundary: key length 1, is a NULL */
key_item_len = key_p - key_buffer - 1;
-DEBUG(D_lookup) debug_printf("NUL-joined key length: %d\n", key_item_len);
+DEBUG(D_lookup) debug_printf_indent("NUL-joined key length: %d\n", key_item_len);
/* beware that dbmdb_find() adds 1 to length to get back terminating NUL, so
because we've calculated the real length, we need to subtract one more here */
-return dbmdb_find(handle, filename,
- key_buffer, key_item_len - 1,
- result, errmsg, do_cache);
+
+return dbmdb_find(handle, filename, key_buffer, key_item_len - 1,
+ result, errmsg, do_cache, opts);
}
void
static dbmdb_close(void *handle)
{
-EXIM_DBCLOSE((EXIM_DB *)handle);
+exim_dbclose((EXIM_DB *)handle);
}
#include "../version.h"
-void
-dbm_version_report(FILE *f)
+gstring *
+dbm_version_report(gstring * g)
{
#ifdef DYNLOOKUP
-fprintf(f, "Library version: DBM: Exim version %s\n", EXIM_VERSION_STR);
+g = string_fmt_append(g, "Library version: DBM: Exim version %s\n", EXIM_VERSION_STR);
#endif
+return g;
}
lookup_info dbm_lookup_info = {
- US"dbm", /* lookup name */
- lookup_absfile, /* uses absolute file name */
- dbmdb_open, /* open function */
- dbmdb_check, /* check function */
- dbmdb_find, /* find function */
- dbmdb_close, /* close function */
- NULL, /* no tidy function */
- NULL, /* no quoting function */
- dbm_version_report /* version reporting */
+ .name = US"dbm", /* lookup name */
+ .type = lookup_absfile, /* uses absolute file name */
+ .open = dbmdb_open, /* open function */
+ .check = dbmdb_check, /* check function */
+ .find = dbmdb_find, /* find function */
+ .close = dbmdb_close, /* close function */
+ .tidy = NULL, /* no tidy function */
+ .quote = NULL, /* no quoting function */
+ .version_report = dbm_version_report /* version reporting */
};
lookup_info dbmz_lookup_info = {
- US"dbmnz", /* lookup name */
- lookup_absfile, /* uses absolute file name */
- dbmdb_open, /* sic */ /* open function */
- dbmdb_check, /* sic */ /* check function */
- dbmnz_find, /* find function */
- dbmdb_close, /* sic */ /* close function */
- NULL, /* no tidy function */
- NULL, /* no quoting function */
- NULL /* no version reporting (redundant) */
+ .name = US"dbmnz", /* lookup name */
+ .type = lookup_absfile, /* uses absolute file name */
+ .open = dbmdb_open, /* sic */ /* open function */
+ .check = dbmdb_check, /* sic */ /* check function */
+ .find = dbmnz_find, /* find function */
+ .close = dbmdb_close, /* sic */ /* close function */
+ .tidy = NULL, /* no tidy function */
+ .quote = NULL, /* no quoting function */
+ .version_report = NULL /* no version reporting (redundant) */
};
lookup_info dbmjz_lookup_info = {
- US"dbmjz", /* lookup name */
- lookup_absfile, /* uses absolute file name */
- dbmdb_open, /* sic */ /* open function */
- dbmdb_check, /* sic */ /* check function */
- dbmjz_find, /* find function */
- dbmdb_close, /* sic */ /* close function */
- NULL, /* no tidy function */
- NULL, /* no quoting function */
- NULL /* no version reporting (redundant) */
+ .name = US"dbmjz", /* lookup name */
+ .type = lookup_absfile, /* uses absolute file name */
+ .open = dbmdb_open, /* sic */ /* open function */
+ .check = dbmdb_check, /* sic */ /* check function */
+ .find = dbmjz_find, /* find function */
+ .close = dbmdb_close, /* sic */ /* close function */
+ .tidy = NULL, /* no tidy function */
+ .quote = NULL, /* no quoting function */
+ .version_report = NULL /* no version reporting (redundant) */
};
#ifdef DYNLOOKUP
lookup_module_info dbmdb_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 3 };
/* End of lookups/dbmdb.c */
+/* vi: aw ai sw=2
+*/