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Don't bind to temporary IPv6 addresses (linux)

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This commit is contained in:
Grant Limberg 2021-05-26 15:50:14 -07:00
parent b8b65da51c
commit ab87b8f881
1 changed files with 9 additions and 0 deletions
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9
osdep/Binder.hpp
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@ -36,6 +36,7 @@
#ifdef __LINUX__
#include <net/if.h>
#include <sys/ioctl.h>
#include <linux/if_addr.h>
#endif
#endif
@ -211,17 +212,25 @@ class Binder {
unsigned char ipbits[16];
memset(ipbits, 0, sizeof(ipbits));
char* devname = (char*)0;
int flags = 0;
int n = 0;
for (char* f = Utils::stok(tmp, " \t\r\n", &saveptr); (f); f = Utils::stok((char*)0, " \t\r\n", &saveptr)) {
switch (n++) {
case 0: // IP in hex
Utils::unhex(f, 32, ipbits, 16);
break;
case 4:
flags = atoi(f);
break;
case 5: // device name
devname = f;
break;
}
}
if ( (flags & IFA_F_TEMPORARY) != 0) {
continue;
}
if (devname) {
ifnames.insert(devname);
InetAddress ip(ipbits, 16, 0);