-/* $Cambridge: exim/src/src/readconf.c,v 1.40 2010/06/05 09:10:10 pdp Exp $ */
+/* $Cambridge: exim/src/src/readconf.c,v 1.43 2010/06/07 08:23:20 pdp Exp $ */
/*************************************************
* Exim - an Internet mail transport agent *
gid_t gid;
BOOL boolvalue = TRUE;
BOOL freesptr = TRUE;
+BOOL extra_condition = FALSE;
optionlist *ol, *ol2;
struct passwd *pw;
void *reset_point;
uschar *inttype = US"";
uschar *sptr;
uschar *s = buffer;
+uschar *saved_condition, *strtemp;
+uschar **str_target;
uschar name[64];
uschar name2[64];
{
uschar *mname = name;
if (Ustrncmp(mname, "no_", 3) == 0) mname += 3;
- log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN,
- "\"%s\" option set for the second time", mname);
+ if (Ustrcmp(mname, "condition") == 0)
+ extra_condition = TRUE;
+ else
+ log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN,
+ "\"%s\" option set for the second time", mname);
}
ol->type |= opt_set | issecure;
control block and flags word. */
case opt_stringptr:
+ if (data_block == NULL)
+ str_target = (uschar **)(ol->value);
+ else
+ str_target = (uschar **)((uschar *)data_block + (long int)(ol->value));
+ if (extra_condition)
+ {
+ /* We already have a condition, we're conducting a crude hack to let
+ multiple condition rules be chained together, despite storing them in
+ text form. */
+ saved_condition = *str_target;
+ strtemp = string_sprintf("${if and{{bool_lax{%s}}{bool_lax{%s}}}}",
+ saved_condition, sptr);
+ *str_target = string_copy_malloc(strtemp);
+ /* TODO(pdp): there is a memory leak here when we set 3 or more
+ conditions; I still don't understand the store mechanism enough
+ to know what's the safe way to free content from an earlier store.
+ AFAICT, stores stack, so freeing an early stored item also stores
+ all data alloc'd after it. If we knew conditions were adjacent,
+ we could survive that, but we don't. So I *think* we need to take
+ another bit from opt_type to indicate "malloced"; this seems like
+ quite a hack, especially for this one case. It also means that
+ we can't ever reclaim the store from the *first* condition.
+
+ Because we only do this once, near process start-up, I'm prepared to
+ let this slide for the time being, even though it rankles. */
+ }
+ else
+ {
+ *str_target = sptr;
+ freesptr = FALSE;
+ }
+ break;
+
case opt_rewrite:
if (data_block == NULL)
*((uschar **)(ol->value)) = sptr;
readconf_main(void)
{
int sep = 0;
-long dummy_l;
struct stat statbuf;
uschar *s, *filename;
uschar *list = config_main_filelist;