SPDX: license tags (mostly by guesswork)

[exim.git] / src / src / lookups / dbmdb.c

diff --git a/src/src/lookups/dbmdb.c b/src/src/lookups/dbmdb.c
index cac8008e5959e178891c4a0c0646f94debc58cc3..c99e948b59a532294e87a564ffe3874f3682e0bc 100644 (file)
--- a/src/src/lookups/dbmdb.c
+++ b/src/src/lookups/dbmdb.c
@@ -2,8 +2,10 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
+/* Copyright (c) The Exim Maintainers 2020 - 2022 */
 /* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-only */
 
 #include "../exim.h"
 #include "lf_functions.h"
@@ -20,16 +22,11 @@ dbmdb_open(const uschar * filename, uschar ** errmsg)
 {
 uschar * dirname = string_copy(filename);
 uschar * s;
-EXIM_DB *yield = NULL;
+EXIM_DB * yield = NULL;
 
 if ((s = Ustrrchr(dirname, '/'))) *s = '\0';
-EXIM_DBOPEN(filename, dirname, O_RDONLY, 0, &yield);
-if (!yield)
-  {
-  int save_errno = errno;
-  *errmsg = string_open_failed(errno, "%s as a %s file", filename, EXIM_DBTYPE);
-  errno = save_errno;
-  }
+if (!(yield = exim_dbopen(filename, dirname, O_RDONLY, 0)))
+  *errmsg = string_open_failed("%s as a %s file", filename, EXIM_DBTYPE);
 return yield;
 }
 
@@ -51,7 +48,6 @@ 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,
@@ -97,19 +93,17 @@ dbmdb_find(void * handle, const uschar * filename, const uschar * keystring,
 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. */
+length++;
+exim_datum_data_set(&key,
+  memcpy(store_get(length, keystring), keystring, length)); /* key can have embedded NUL */
+exim_datum_size_set(&key, length);
 
-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;
-
-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 */
+  *result = string_copyn(exim_datum_data_get(&data), exim_datum_size_get(&data));
+  exim_datum_free(&data);            /* Some DBM libraries need a free() call */
   return OK;
   }
 return FAIL;
@@ -157,7 +151,7 @@ int buflen, bufleft, key_item_len, sep = 0;
 or less than, the length of the delimited list passed in + 1. */
 
 buflen = length + 3;
-key_buffer = store_get(buflen, is_tainted(keystring));
+key_buffer = store_get(buflen, keystring);
 
 key_buffer[0] = '\0';
 
@@ -222,7 +216,7 @@ return dbmdb_find(handle, filename, key_buffer, key_item_len - 1,
 void
 static dbmdb_close(void *handle)
 {
-EXIM_DBCLOSE((EXIM_DB *)handle);
+exim_dbclose((EXIM_DB *)handle);
 }
 
 
@@ -235,12 +229,13 @@ 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;
 }