mirror of
https://github.com/irungentoo/toxcore.git
synced 2024-03-22 13:30:51 +08:00
restored this branch to be on par with upstream
This commit is contained in:
parent
c3b5fe3fa1
commit
5ceb601fcd
|
@ -23,13 +23,67 @@
|
|||
|
||||
#include "LAN_discovery.h"
|
||||
|
||||
#define MAX_INTERFACES 16
|
||||
#define ERR_INTERFACES 0
|
||||
#define ERR_IOCTL 1
|
||||
|
||||
/*Return the broadcast ip
|
||||
TODO: make it return the real one, not the 255.255.255.255 one.*/
|
||||
#ifdef __linux
|
||||
/* get the first running interface's broadcast IP,
|
||||
* return is higher than 0 on success
|
||||
* ERR_IOCTL on an ioctl error
|
||||
* ERR_INTERFACES on general error */
|
||||
uint32_t get_broadcast(void)
|
||||
{
|
||||
/* not sure how many platforms this will
|
||||
* run on, so it's wrapped in __linux for now */
|
||||
struct ifconf ifconf;
|
||||
struct ifreq i_faces[MAX_INTERFACES];
|
||||
int count = 0;
|
||||
int sock = 0;
|
||||
int i = 0;
|
||||
struct sockaddr_in *sock_holder = NULL;
|
||||
|
||||
/* configure ifconf for the ioctl call */
|
||||
sock = socket(AF_INET, SOCK_STREAM, 0);
|
||||
ifconf.ifc_buf = (char *)i_faces;
|
||||
ifconf.ifc_len = sizeof(i_faces);
|
||||
count = ifconf.ifc_len / sizeof(i_faces[0]);
|
||||
|
||||
for(i = 0; i < count; i++) {
|
||||
/* skip the loopback interface, as it's useless */
|
||||
if(strcmp(i_faces[i].ifr_name, "lo") != 0) {
|
||||
if(ioctl(sock, SIOCGIFBRDADDR, &i_faces[i]) < 0) {
|
||||
perror("[!] get_broadcast: ioctl error");
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* just to clarify where we're getting the values from */
|
||||
sock_holder = (struct sockaddr_in *)&i_faces[i].ifr_broadaddr;
|
||||
break;
|
||||
}
|
||||
}
|
||||
close(sock);
|
||||
|
||||
if(sock_holder == NULL)
|
||||
return ERR_INTERFACES;
|
||||
|
||||
return sock_holder->sin_addr.s_addr;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Return the broadcast ip */
|
||||
IP broadcast_ip()
|
||||
{
|
||||
IP ip;
|
||||
#ifdef __linux
|
||||
ip.i = get_broadcast();
|
||||
if(ip.i == ERR_INTERFACES)
|
||||
ip.i = ~0;
|
||||
else if(ip.i == ERR_IOCTL)
|
||||
ip.i = 0;
|
||||
#else
|
||||
ip.i = ~0;
|
||||
#endif
|
||||
return ip;
|
||||
}
|
||||
|
||||
|
|
|
@ -28,6 +28,14 @@
|
|||
|
||||
#include "DHT.h"
|
||||
|
||||
/* used for get_broadcast() */
|
||||
#ifdef __linux
|
||||
#include <sys/ioctl.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <linux/netdevice.h>
|
||||
#endif
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
|
Loading…
Reference in New Issue
Block a user