* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) Tom Kistner <tom@duncanthrax.net> 2003-2015 */
-/* License: GPL */
+/* Copyright (c) Tom Kistner <tom@duncanthrax.net> 2003-2015
+ * License: GPL
+ * Copyright (c) The Exim Maintainers 2016 - 2018
+ */
/* Code for matching regular expressions against headers and body.
Called from acl.c. */
static int
matcher(pcre_list * re_list_head, uschar * linebuffer, int len)
{
-pcre_list * ri;
-
-for(ri = re_list_head; ri; ri = ri->next)
+for(pcre_list * ri = re_list_head; ri; ri = ri->next)
{
int ovec[3*(REGEX_VARS+1)];
- int n, nn;
+ int n;
/* try matcher on the line */
- n = pcre_exec(ri->re, NULL, CS linebuffer, len, 0, 0, ovec, nelem(ovec));
- if (n > 0)
+ if ((n = pcre_exec(ri->re, NULL, CS linebuffer, len, 0, 0, ovec, nelem(ovec))) > 0)
{
Ustrncpy(regex_match_string_buffer, ri->pcre_text,
sizeof(regex_match_string_buffer)-1);
regex_match_string = regex_match_string_buffer;
- for (nn = 1; nn < n; nn++)
+ for (int nn = 1; nn < n; nn++)
regex_vars[nn-1] =
string_copyn(linebuffer + ovec[nn*2], ovec[nn*2+1] - ovec[nn*2]);
if (!mime_stream) /* We are in the DATA ACL */
{
- if (!(mbox_file = spool_mbox(&mbox_size, NULL)))
+ if (!(mbox_file = spool_mbox(&mbox_size, NULL, NULL)))
{ /* error while spooling */
log_write(0, LOG_MAIN|LOG_PANIC,
"regex acl condition: error while creating mbox spool file");
else
{
clearerr(mime_stream);
- fseek(mime_stream, f_pos, SEEK_SET);
+ if (fseek(mime_stream, f_pos, SEEK_SET) == -1)
+ {
+ log_write(0, LOG_MAIN|LOG_PANIC,
+ "regex acl condition: mime_stream: %s", strerror(errno));
+ clearerr(mime_stream);
+ }
}
return ret;