From 92c63e2e79d224c3ca5a0023766d04b58d9b327f Mon Sep 17 00:00:00 2001
From: Bob Gilligan <gilligan@vyatta.com>
Date: Mon, 1 Jun 2009 18:03:58 -0700
Subject: Bugfix 4108: Check pointers before dereferencing them.
---
vyatta-restricted.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/vyatta-restricted.c b/vyatta-restricted.c
index 50612f8..c0337e7 100644
--- a/vyatta-restricted.c
+++ b/vyatta-restricted.c
@@ -174,9 +174,10 @@ vyatta_check_expansion(COMMAND *cmd, int full)
switch (cmd->type) {
case cm_simple:
cS = cmd->value.Simple;
- if (!(cS->redirects)) {
+ if (cS && !(cS->redirects)) {
/* simple command, no redirects */
- if (is_in_command_list(cS->words->word->word, expand_disable_cmds)) {
+ if (cS->words && cS->words->word &&
+ is_in_command_list(cS->words->word->word, expand_disable_cmds)) {
/* user command => quote all words */
make_restricted_wordlist(cS->words);
}
--
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