[sr-dev] git:master: modules/sipcapture: added check for corrupted and defragmented packets

[Alexandr Dubovikov]

Module: sip-router
Branch: master
Commit: cb8c24f1ef873d16fd5c7edd96e2c0d3847b3dda
URL:    http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=cb8c24f1ef873d16fd5c7edd96e2c0d3847b3dda

Author: Alexandr Dubovikov <alexandr.dubovikov at gmail.com>
Committer: Alexandr Dubovikov <alexandr.dubovikov at gmail.com>
Date:   Wed Mar 14 09:29:24 2012 +0100

modules/sipcapture: added check for  corrupted and defragmented packets

---

 modules/sipcapture/sipcapture.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/modules/sipcapture/sipcapture.c b/modules/sipcapture/sipcapture.c
index 7e3a228..506c215 100644
--- a/modules/sipcapture/sipcapture.c
+++ b/modules/sipcapture/sipcapture.c
@@ -1528,6 +1528,12 @@ int raw_capture_rcv_loop(int rsock, int port1, int port2, int ipip) {
                 /* fill dst_port && src_port */
                 dst_port=ntohs(udph->uh_dport);
                 src_port=ntohs(udph->uh_sport);
+                                              
+                /* if the message has not alpha */
+                if(!isalnum((buf+offset)[0])) {
+                        DBG("not alpha and not digit... skiping...\n");
+                        continue;
+                }
                                                         
 
                 DBG("PORT: [%d] and [%d]\n", port1, port2);
@@ -1586,6 +1592,7 @@ int raw_capture_rcv_loop(int rsock, int port1, int port2, int ipip) {
 
      	                ri.bind_address=si;		        		        
 		        
+
      	                /* and now recieve message */
         		receive_msg(buf+offset, len, &ri);		                          
 	        	if(si) pkg_free(si);