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Compatibility for kernel version 3

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This commit is contained in:
Vadim Vetrov
2024-09-19 19:21:49 +03:00
parent 3187b3ca61
commit 5415bc37ec
7 changed files with 380 additions and 13 deletions
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28
kmod_utils.c
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@@ -32,8 +32,7 @@ int open_raw_socket(void) {
rawsocket->sk->sk_mark=config.mark;
return 0;
sr_err:
sock_release(rawsocket);
err:
return ret;
}
@@ -63,9 +62,19 @@ static int send_raw_ipv4(const uint8_t *pkt, uint32_t pktlen) {
struct msghdr msg;
struct kvec iov;
memset(&msg, 0, sizeof(msg));
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)
iov.iov_base = (__u8 *)pkt;
iov.iov_len = pktlen;
iov_iter_kvec(&msg.msg_iter, READ, &iov, 1, 1);
#else
iov.iov_base = (__u8 *)pkt;
iov.iov_len = pktlen;
// msg.msg_iov = (struct iovec *)&iov;
// msg.msg_iovlen = iov.iov_len;
#endif
msg.msg_flags = 0;
msg.msg_name = &daddr;
@@ -73,6 +82,7 @@ static int send_raw_ipv4(const uint8_t *pkt, uint32_t pktlen) {
msg.msg_control = NULL;
msg.msg_controllen = 0;
ret = kernel_sendmsg(rawsocket, &msg, &iov, 1, pktlen);
return ret;
@@ -92,8 +102,7 @@ int open_raw6_socket(void) {
raw6socket->sk->sk_mark=config.mark;
return 0;
sr_err:
sock_release(raw6socket);
err:
return ret;
}
@@ -120,11 +129,20 @@ int send_raw_ipv6(const uint8_t *pkt, uint32_t pktlen) {
.sin6_addr = iph->ip6_dst
};
struct msghdr msg;
struct kvec iov;
struct msghdr msg;
memset(&msg, 0, sizeof(msg));
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)
iov.iov_base = (__u8 *)pkt;
iov.iov_len = pktlen;
iov_iter_kvec(&msg.msg_iter, READ, &iov, 1, 1);
#else
iov.iov_base = (__u8 *)pkt;
iov.iov_len = pktlen;
// msg.msg_iov = (struct iovec *)&iov;
// msg.msg_iovlen = iov.iov_len;
#endif
msg.msg_flags = 0;
msg.msg_name = &daddr;