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Interface patch byor Clemens Resen

Browse source 
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@326 f882894a-f735-0410-b71e-b25c423dba1c
This commit is contained in:
Ethan Galstad 2003-02-16 02:46:40 +00:00
parent 983b1edec4
commit 33139519aa
1 changed files with 8 additions and 0 deletions
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8
contrib/check_dhcp.c
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@ -515,6 +515,7 @@ int receive_dhcp_packet(void *buffer, int buffer_size, int sock, int timeout, st
/* creates a socket for DHCP communication */
int create_dhcp_socket(void){
struct sockaddr_in myname;
struct ifreq interface;
int sock;
int flag=1;
@ -549,6 +550,13 @@ int create_dhcp_socket(void){
exit(STATE_UNKNOWN);
}
/* bind socket to interface */
strncpy(interface.ifr_ifrn.ifrn_name,network_interface_name,IFNAMSIZ);
if(setsockopt(sock,SOL_SOCKET,SO_BINDTODEVICE,(char *)&interface,sizeof(interface))<0){
printf("Error: Could not bind socket to interface %s. Check your privileges...\n",network_interface_name);
exit(STATE_UNKNOWN);
}
/* bind the socket */
if(bind(sock,(struct sockaddr *)&myname,sizeof(myname))<0){
printf("Error: Could not bind to DHCP socket (port %d)! Check your privileges...\n",DHCP_CLIENT_PORT);