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The Exclude argument should only use active interfaces.

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This commit is contained in:
MissValeska 2014-05-20 14:17:55 -07:00
parent 83cc78f40b
commit f976e01bc3
1 changed files with 16 additions and 12 deletions
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28
src/netsukuku.c
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@ -325,28 +325,32 @@ void free_server_opt(void)
} }
void exclude_interface(void) { void exclude_interface(void) {
char *a_ifs = "null1"; char *ifs = "null1";
char *old_tmp = "null2"; char *old_tmp = "null2";
struct ifaddrs *addrs,*tmp; struct ifaddrs *addrs,*tmp;
struct ifreq *a_ifs;
getifaddrs(&addrs); getifaddrs(&addrs);
tmp = addrs; tmp = addrs;
int run_c = 1;
while(tmp) { while(tmp) {
old_tmp = a_ifs; old_tmp = ifs;
if(tmp->ifa_addr && tmp->ifa_addr->sa_family == AF_PACKET)
a_ifs = tmp->ifa_name;
if(strncmp(a_ifs, "lo", 2) == 0 || strncmp(a_ifs, "tunl0", 5) == 0 || strncmp(a_ifs, "tunl1", 5) == 0 || strcmp(a_ifs, optarg) == 0) { if(tmp->ifa_addr && tmp->ifa_addr->sa_family == AF_PACKET)
ifs = tmp->ifa_name;
if(strncmp(ifs, "lo", 2) == 0 || strncmp(ifs, "tunl0", 5) == 0 || strncmp(ifs, "tunl1", 5) == 0 || strcmp(ifs, optarg) == 0) {
tmp = tmp->ifa_next; tmp = tmp->ifa_next;
if(tmp->ifa_addr && tmp->ifa_addr->sa_family == AF_PACKET) if(tmp->ifa_addr && tmp->ifa_addr->sa_family == AF_PACKET)
a_ifs = tmp->ifa_name; ifs = tmp->ifa_name;
} }
a_ifs = ifs;
if(a_ifs->ifr_name != IFF_UP) {
tmp = tmp->ifa_next;
ifs = tmp->ifa_name;
}
tmp = tmp->ifa_next; tmp = tmp->ifa_next;
run_c++; if(strcmp(old_tmp, ifs) == 0)
if(strcmp(old_tmp, a_ifs) == 0)
break; break;
server_opt.ifs[server_opt.ifs_n++]=xstrndup(a_ifs, IFNAMSIZ-1); server_opt.ifs[server_opt.ifs_n++]=xstrndup(ifs, IFNAMSIZ-1);
} }
freeifaddrs(addrs); freeifaddrs(addrs);
@ -573,7 +577,7 @@ void check_conflicting_options(void)
void init_netsukuku(char **argv) void init_netsukuku(char **argv)
{ {
xsrand(); xsrand();
if(geteuid()) if(geteuid())
fatal("Need root privileges"); fatal("Need root privileges");