ChronosXYZ/netsukuku
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I added a lot of stuff! I fully set up exclude_interface to ignore inactive interfaces, and optarg, Along with a small list of other interfaces. I did some bug fixing, And looked into how netsukuku sets it's interfaces by default, And added some stuff to deal with that too.

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I, Also, Figured out that, The entire exclude_interface function is probably unnecessary, And can be fully replaced with just check_excluded, Which would be much simpler, Easier, And elegant. Along with the fact that, It will probably just work.
This commit is contained in:
MissValeska 2014-05-26 20:21:17 -07:00
parent 3b039c4e55
commit 19ce039cee
1 changed files with 39 additions and 12 deletions
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51
src/netsukuku.c
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@ -324,37 +324,55 @@ void free_server_opt(void)
xfree(server_opt.ifs[i]);
}
// Checks and removes any existing interface which is intended to be excluded
void check_excluded(void) {
int i;
printf("Number of Interfaces in Use: %d\n", server_opt.ifs_n);
printf("Interface names in Use: %s", server_opt.ifs);
for(i=0; i<server_opt.ifs_n; i++) {
if(strcmp(server_opt.ifs[i], optarg) == 0) {
printf("Interface %s removed, And replaced with %s", server_opt.ifs[i], server_opt.ifs[server_opt.ifs_n]);
strncpy(server_opt.ifs[i], server_opt.ifs[server_opt.ifs_n], strlen(server_opt.ifs[server_opt.ifs_n]));
server_opt.ifs_n -= 1;
}
}
}
int exclude_interface(void) {
// Adds all interfaces available which are up, And not the interface set by the user.
// -e eth0 would exclude eth0 from being used by netsukuku.
// returns 0 on success, -1 on error, And 1 if it has already been run.
int exclude_interface(int prevent_doubles) {
if(prevent_doubles == 1) {
check_excluded();
return 1;
}
char *ifs = "null1";
char *old_tmp = "null2";
char *old_tmp1 = "null3";
interface ifs_a;
int ifs_n = 1;
struct ifaddrs *addrs,*tmp;
if (getifaddrs(&addrs) !=0) {
printf("%s\n", strerror(errno));
exit(1);
exit(-1);
}
tmp = addrs;
while(tmp) {
old_tmp = ifs;
Re_Check:
old_tmp1 = ifs;
if(tmp && tmp->ifa_addr && tmp->ifa_addr->sa_family == AF_PACKET && tmp->ifa_flags & IFF_UP && (strncmp(ifs, "lo", 2) == 0 || strncmp(ifs, "tunl0", 5) == 0 || strncmp(ifs, "tunl1", 5) == 0 || strcmp(optarg, ifs) == 0))
if(tmp && tmp->ifa_addr && tmp->ifa_addr->sa_family == AF_PACKET && tmp->ifa_flags & IFF_UP && !(tmp->ifa_flags & IFF_LOOPBACK) (strncmp(tmp->ifa_name, "tunl0", 5) != 0 || strncmp(tmp->ifa_name, "tunl1", 5) != 0 || strcmp(optarg, tmp->ifa_name) != 0)) {
ifs = tmp->ifa_name;
else if(tmp && strcmp(old_tmp1, ifs) == 0) {
tmp = tmp->ifa_next;
goto Re_Check;
ifs_n++;
}
printf("Good ifs is: %s\n", ifs);
@ -368,7 +386,13 @@ int exclude_interface(void) {
tmp = tmp->ifa_next;
server_opt.ifs[server_opt.ifs_n++]=xstrndup(ifs, IFNAMSIZ-1);
printf("Using Interface: %s\n", ifs);
ifs_a[ifs_n].dev_idx = (int)tmp->ifa_flags;
strncpy(ifs_a[ifs_n].dev_name, ifs, (int)strlen(ifs));
check_excluded();
}
freeifaddrs(addrs);
@ -416,7 +440,10 @@ void parse_options(int argc, char **argv)
exit(0);
break;
case 'e':
exclude_interface();
//int prevent_doubles = -1;
//prevent_doubles++;
//exclude_interface(prevent_doubles);
check_excluded();
break;
case 'k':
if(is_ntkd_already_running() == 1){