Mirror/youtubeUnblock
1
0
Fork 0
mirror of https://github.com/Waujito/youtubeUnblock.git synced 2025-12-31 03:38:07 +03:00
Code Issues Packages Projects Releases Wiki Activity

Add none strategy to udp-faking-strategy

Browse Source
This commit is contained in:
Vadim Vetrov
2024-12-29 23:01:26 +03:00
parent bc345ed6d4
commit 254b363599
8 changed files with 61 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
utils.c
View File

@@ -7,6 +7,7 @@
#include <libnetfilter_queue/libnetfilter_queue_ipv4.h>
#include <libnetfilter_queue/libnetfilter_queue_ipv6.h>
#include <libnetfilter_queue/libnetfilter_queue_tcp.h>
#include <libnetfilter_queue/libnetfilter_queue_udp.h>
#else
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24))
#include <net/ip6_checksum.h>
@@ -31,6 +32,20 @@ void tcp4_set_checksum(struct tcphdr *tcph, struct iphdr *iph)
#endif
}
void udp4_set_checksum(struct udphdr *udph, struct iphdr *iph)
{
#ifdef KERNEL_SPACE
uint32_t udp_packet_len = ntohs(iph->tot_len) - (iph->ihl << 2);
udph->check = 0;
udph->check = csum_tcpudp_magic(
iph->saddr, iph->daddr, udp_packet_len,
IPPROTO_UDP,
csum_partial(udph, udp_packet_len, 0));
#else
nfq_udp_compute_checksum_ipv4(udph, iph);
#endif
}
void ip4_set_checksum(struct iphdr *iph)
{
#ifdef KERNEL_SPACE
@@ -52,6 +67,17 @@ void tcp6_set_checksum(struct tcphdr *tcph, struct ip6_hdr *iph) {
#endif
}
void udp6_set_checksum(struct udphdr *udph, struct ip6_hdr *iph) {
#ifdef KERNEL_SPACE
udph->check = 0;
udph->check = csum_ipv6_magic(&iph->saddr, &iph->daddr,
ntohs(iph->ip6_plen), IPPROTO_UDP,
csum_partial(udph, ntohs(iph->ip6_plen), 0));
#else
nfq_udp_compute_checksum_ipv6(udph, iph);
#endif
}
int set_ip_checksum(void *iph, uint32_t iphb_len) {
int ipvx = netproto_version(iph, iphb_len);
@@ -77,6 +103,21 @@ int set_tcp_checksum(struct tcphdr *tcph, void *iph, uint32_t iphb_len) {
return 0;
}
int set_udp_checksum(struct udphdr *udph, void *iph, uint32_t iphb_len) {
int ipvx = netproto_version(iph, iphb_len);
if (ipvx == IP4VERSION) {
udp4_set_checksum(udph, iph);
} else if (ipvx == IP6VERSION) {
udp6_set_checksum(udph, iph);
} else {
return -1;
}
return 0;
}
int ip4_payload_split(uint8_t *pkt, uint32_t buflen,
struct iphdr **iph, uint32_t *iph_len,
uint8_t **payload, uint32_t *plen) {