Module: sip-router Branch: 3.2 Commit: 07a7b98cea64fdbde4ac4d75de19b34d351659bb URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=07a7b98… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: Sun Nov 25 21:54:32 2012 +0100 dialog(k): safety check for callid parameter in mi commands - if not provided properly, it may result in crash - reported by Ricardo Martinez (cherry picked from commit 8acb59ee4de31ab76763a021acaf7b5a13e02f23) --- modules_k/dialog/dlg_hash.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/modules_k/dialog/dlg_hash.c b/modules_k/dialog/dlg_hash.c index 2dbf9a0..a2fbbdd 100644 --- a/modules_k/dialog/dlg_hash.c +++ b/modules_k/dialog/dlg_hash.c @@ -1042,6 +1042,8 @@ static inline struct mi_root* process_mi_params(struct mi_root *cmd_tree, /* we have params -> get callid and fromtag */ callid = &node->value; + if(callid->s==NULL || callid->len<=0) + return init_mi_tree(400, MI_SSTR(MI_MISSING_PARM)); LM_DBG("callid='%.*s'\n", callid->len, callid->s); node = node->next;