opnsense-ports/games/0verkill/files/patch-net.c
Franco Fichtner 8cb1a96ede ports: pull in a snapshot of the FreeBSD ports tree
Taken from:	https://github.com/freebsd/freebsd-ports.git
Commit id:	5070672073b68be364139bc6b3a89100bd17d331
2014-11-09 14:03:21 +01:00

20 lines
503 B
C

--- net.c.orig 2001-12-15 20:51:50.000000000 +0300
+++ net.c 2013-11-17 11:19:18.535476607 +0400
@@ -78,12 +78,16 @@
{
unsigned char *p;
int retval;
- unsigned long crc;
+ unsigned int crc;
int s,r;
p=mem_alloc(max_len+12);
if (!p)return -1; /* not enough memory */
retval=recvfrom(fd,p,max_len+12,0,addr,addr_len);
+ if (retval<12) {
+ mem_free(p);
+ return -1;
+ }
memcpy(packet,p+12,max_len);
crc=p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24);
s=p[4]+(p[5]<<8)+(p[6]<<16)+(p[7]<<24);