Open Ali-aqrabawi opened 1 year ago
example of the if_id nlattr:
// if_id attribute struct nlattr *if_id = (struct nlattr *) (((char *) crypt_nla) + NLMSG_ALIGN(crypt_nla->nla_len)); if_id->nla_len = sizeof(struct nlattr) + sizeof(uint32_t); if_id->nla_type = XFRMA_IF_ID; uint32_t if_index = 43; // Replace with the actual interface index memcpy(((char *) if_id + NLA_HDRLEN), &if_index, sizeof(uint32_t));
sudo ip xfrm state src 192.168.2.175 dst 192.168.2.1 proto esp spi 0x01000000 reqid 123455 mode tunnel replay-window 0 auth-trunc hmac(sha256) 0x00010000000000000000000000000000 96 enc cbc(aes) 0x3132333435363738393031323334353637383930313233343536373839303132 encap type espinudp sport 0 dport 0 addr 192.168.2.1 anti-replay context: seq 0x0, oseq 0x0, bitmap 0x00000000 if_id 0x2b <------- sel src 0.0.0.0/0 dst 0.0.0.0/0
example of the if_id nlattr: