* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2016 */
/* See the file NOTICE for conditions of use and distribution. */
ensures that Exim has exclusive use of the database before it even tries to
open it. If there is a database, there should be a lock file in existence. */
-sprintf(CS buffer, "%s/db/%s.lockfile", spool_directory, name);
+sprintf(CS buffer, "%s/db/%.200s.lockfile", spool_directory, name);
dbblock->lockfd = Uopen(buffer, flags, 0);
if (dbblock->lockfd < 0)
if (rc < 0)
{
printf("** Failed to get %s lock for %s: %s",
- ((flags & O_RDONLY) != 0)? "read" : "write", buffer,
- (errno == ETIMEDOUT)? "timed out" : strerror(errno));
+ flags & O_WRONLY ? "write" : "read",
+ buffer,
+ errno == ETIMEDOUT ? "timed out" : strerror(errno));
(void)close(dbblock->lockfd);
return NULL;
}
*/
void *
-dbfn_read_with_length(open_db *dbblock, uschar *key, int *length)
+dbfn_read_with_length(open_db *dbblock, const uschar *key, int *length)
{
void *yield;
EXIM_DATUM key_datum, result_datum;
+int klen = Ustrlen(key) + 1;
+uschar * key_copy = store_get(klen);
+
+memcpy(key_copy, key, klen);
EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require the datum */
EXIM_DATUM_INIT(result_datum); /* to be cleared before use. */
-EXIM_DATUM_DATA(key_datum) = CS key;
-EXIM_DATUM_SIZE(key_datum) = Ustrlen(key) + 1;
+EXIM_DATUM_DATA(key_datum) = CS key_copy;
+EXIM_DATUM_SIZE(key_datum) = klen;
if (!EXIM_DBGET(dbblock->dbptr, key_datum, result_datum)) return NULL;
*/
int
-dbfn_write(open_db *dbblock, uschar *key, void *ptr, int length)
+dbfn_write(open_db *dbblock, const uschar *key, void *ptr, int length)
{
EXIM_DATUM key_datum, value_datum;
dbdata_generic *gptr = (dbdata_generic *)ptr;
+int klen = Ustrlen(key) + 1;
+uschar * key_copy = store_get(klen);
+
+memcpy(key_copy, key, klen);
gptr->time_stamp = time(NULL);
EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require the datum */
EXIM_DATUM_INIT(value_datum); /* to be cleared before use. */
-EXIM_DATUM_DATA(key_datum) = CS key;
-EXIM_DATUM_SIZE(key_datum) = Ustrlen(key) + 1;
+EXIM_DATUM_DATA(key_datum) = CS key_copy;
+EXIM_DATUM_SIZE(key_datum) = klen;
EXIM_DATUM_DATA(value_datum) = CS ptr;
EXIM_DATUM_SIZE(value_datum) = length;
return EXIM_DBPUT(dbblock->dbptr, key_datum, value_datum);
*/
int
-dbfn_delete(open_db *dbblock, uschar *key)
+dbfn_delete(open_db *dbblock, const uschar *key)
{
+int klen = Ustrlen(key) + 1;
+uschar * key_copy = store_get(klen);
+
+memcpy(key_copy, key, klen);
EXIM_DATUM key_datum;
EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require clearing */
-EXIM_DATUM_DATA(key_datum) = CS key;
-EXIM_DATUM_SIZE(key_datum) = Ustrlen(key) + 1;
+EXIM_DATUM_DATA(key_datum) = CS key_copy;
+EXIM_DATUM_SIZE(key_datum) = klen;
return EXIM_DBDEL(dbblock->dbptr, key_datum);
}
printf("\n");
}
- /* Old-style domain record, without separate timestamps. This code can
- eventually be thrown away, say in 5 years' time (it's now Feb 2003). */
-
- else
- {
- printf("%s %s callout=%s postmaster=%s random=%s\n",
- print_time(((dbdata_generic *)value)->time_stamp),
- keybuffer,
- print_cache(callout->result),
- print_cache(callout->postmaster_result),
- print_cache(callout->random_result));
- }
-
break;
case type_ratelimit:
if (record == NULL) printf("not found\n"); else
{
time_t tt;
- int length = 0; /* Stops compiler warning */
+ /*int length = 0; Stops compiler warning */
switch(dbdata_type)
{
case type_retry:
retry = (dbdata_retry *)record;
- length = sizeof(dbdata_retry) + Ustrlen(retry->text);
+ /* length = sizeof(dbdata_retry) + Ustrlen(retry->text); */
switch(fieldno)
{
case type_callout:
callout = (dbdata_callout_cache *)record;
- length = sizeof(dbdata_callout_cache);
+ /* length = sizeof(dbdata_callout_cache); */
switch(fieldno)
{
case 0: