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Fix various fatal errors around --send-eth

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This commit is contained in:
dmiller
2025-09-03 17:04:47 +00:00
parent 5bb82a2ad0
commit 99e396b4a0
8 changed files with 27 additions and 19 deletions
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11
libnetutil/netutil.cc
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@@ -1128,12 +1128,21 @@ int netutil_raw_socket(const char *device) {
#endif
}
int raw_socket_or_eth(int sendpref, const char *ifname,
int raw_socket_or_eth(int sendpref, const char *ifname, devtype iftype,
int *rawsd, netutil_eth_t **ethsd) {
assert(rawsd != NULL);
*rawsd = -1;
assert(ethsd != NULL);
*ethsd = NULL;
#ifndef WIN32
/* In general, on Windows we need to use Ether headers.
* On other platforms, avoid it. */
if (iftype != devt_ethernet) {
sendpref = PACKET_SEND_IP;
}
#endif
bool may_try_eth = ifname && !(sendpref & PACKET_SEND_IP_STRONG);
bool may_try_ip = !(sendpref & PACKET_SEND_ETH_STRONG);
bool try_eth = may_try_eth && (sendpref & PACKET_SEND_ETH);