From 59c13056067d25e1cb9f2525625d1fe3dfed41e1 Mon Sep 17 00:00:00 2001
From: Stephan Bosch <stephan@rename-it.nl>
Date: Wed, 22 Jul 2009 00:51:36 +0200
Subject: [PATCH] Fixed potential segfault argument parameter validation.
---
src/lib-sieve/sieve-validator.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/lib-sieve/sieve-validator.c b/src/lib-sieve/sieve-validator.c
index d8b50539f..2bd49741e 100644
--- a/src/lib-sieve/sieve-validator.c
+++ b/src/lib-sieve/sieve-validator.c
@@ -766,6 +766,15 @@ bool sieve_validate_tag_parameter
struct sieve_ast_argument *tag, struct sieve_ast_argument *param,
enum sieve_ast_argument_type req_type)
{
+ if ( param == NULL ) {
+ sieve_argument_validate_error(validator, tag,
+ "the :%s tag for the %s %s requires %s as parameter, "
+ "but no more arguments were found", sieve_ast_argument_tag(tag),
+ cmd->command->identifier, sieve_command_type_name(cmd->command),
+ sieve_ast_argument_type_name(req_type));
+ return FALSE;
+ }
+
if ( sieve_ast_argument_type(param) != req_type &&
(sieve_ast_argument_type(param) != SAAT_STRING ||
req_type != SAAT_STRING_LIST) )
--
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