diff options
| -rw-r--r-- | osdep/LinuxNetLink.cpp | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/osdep/LinuxNetLink.cpp b/osdep/LinuxNetLink.cpp index 74e56934..dad72c8b 100644 --- a/osdep/LinuxNetLink.cpp +++ b/osdep/LinuxNetLink.cpp @@ -32,15 +32,15 @@ namespace ZeroTier { struct nl_route_req { - struct nlmsghdr nl; - struct rtmsg rt; - char buf[8192]; + struct nlmsghdr nl; + struct rtmsg rt; + char buf[8192]; }; struct nl_if_req { - struct nlmsghdr nl; - struct ifinfomsg ifa; - char buf[8192]; + struct nlmsghdr nl; + struct ifinfomsg ifa; + char buf[8192]; }; struct nl_adr_req { @@ -100,9 +100,10 @@ void LinuxNetLink::_setSocketTimeout(int fd, int seconds) } } +#define ZT_NL_BUF_SIZE 16384 int LinuxNetLink::_doRecv(int fd) { - char *const buf = (char *)valloc(8192); + char *const buf = (char *)valloc(ZT_NL_BUF_SIZE); if (!buf) { fprintf(stderr,"malloc failed!\n"); ::exit(1); @@ -115,7 +116,7 @@ int LinuxNetLink::_doRecv(int fd) p = buf; for(;;) { - rtn = recv(fd, p, 8192 - nll, 0); + rtn = recv(fd, p, ZT_NL_BUF_SIZE - nll, 0); if (rtn > 0) { nlp = (struct nlmsghdr *)p; @@ -377,8 +378,7 @@ void LinuxNetLink::_linkAdded(struct nlmsghdr *nlp) switch(rtap->rta_type) { case IFLA_ADDRESS: ptr2 = (unsigned char*)RTA_DATA(rtap); - snprintf(mac, 20, "%02x:%02x:%02x:%02x:%02x:%02x", - ptr2[0], ptr2[1], ptr2[2], ptr2[3], ptr2[4], ptr2[5]); + snprintf(mac,18,"%02x:%02x:%02x:%02x:%02x:%02x",(unsigned int)ptr2[0],(unsigned int)ptr2[1],(unsigned int)ptr2[2],(unsigned int)ptr2[3],(unsigned int)ptr2[4],(unsigned int)ptr2[5]); memcpy(mac_bin, ptr, 6); break; case IFLA_IFNAME: |