From 47c2286a345f40f61f3fd8d186a01f1f26db8d61 Mon Sep 17 00:00:00 2001 From: skarg Date: Sat, 2 Apr 2005 14:09:15 +0000 Subject: [PATCH] corrected string copy memory overwrite. --- bacnet-stack/ports/linux/ethernet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/bacnet-stack/ports/linux/ethernet.c b/bacnet-stack/ports/linux/ethernet.c index 3fbf78d9..218742cd 100644 --- a/bacnet-stack/ports/linux/ethernet.c +++ b/bacnet-stack/ports/linux/ethernet.c @@ -130,7 +130,7 @@ static int ethernet_bind(struct sockaddr *eth_addr, char *interface_name) /* Clear the memory before copying */ memset(eth_addr->sa_data, '\0', sizeof(eth_addr->sa_data)); /* Strcpy the interface name into the address */ - strncpy(eth_addr->sa_data, interface_name, IFNAMSIZ); + strncpy(eth_addr->sa_data, interface_name, sizeof(eth_addr->sa_data)-1); fprintf(stderr,"ethernet: binding \"%s\"\n",eth_addr->sa_data); /* Attempt to bind the socket to the interface */ if (bind(sock_fd, eth_addr, sizeof(struct sockaddr)) != 0)