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Userspace youtubeUnblock: support kernel versions less than 3.8

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The behaviour of nfnetlink_queue is changed since then but old kernels
require BIND/UNBIND_PF commands.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0360ae412d09bc6f4864c801effcb20bfd84520e

Co-Authored-by: renr4 <renr4@users.noreply.github.com>
This commit is contained in:
Vadim Vetrov 2024-10-22 17:46:02 +03:00
parent 55d359d3e7
commit f1ab2ac1a9
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GPG Key ID: E8A308689D7A73A5
1 changed files with 37 additions and 0 deletions
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youtubeUnblock.c
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@ -454,6 +454,43 @@ int init_queue(int queue_num) {
struct nlmsghdr *nlh;
char buf[BUF_SIZE];
/* Support for kernels versions < 3.8 */
// Obsolete and ignored in kernel version 3.8
// https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0360ae412d09bc6f4864c801effcb20bfd84520e
nlh = nfq_nlmsg_put(buf, NFQNL_MSG_CONFIG, queue_num);
nfq_nlmsg_cfg_put_cmd(nlh, PF_INET, NFQNL_CFG_CMD_PF_UNBIND);
if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
perror("mnl_socket_send");
goto die;
}
nlh = nfq_nlmsg_put(buf, NFQNL_MSG_CONFIG, queue_num);
nfq_nlmsg_cfg_put_cmd(nlh, PF_INET, NFQNL_CFG_CMD_PF_BIND);
if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
perror("mnl_socket_send");
goto die;
}
nlh = nfq_nlmsg_put(buf, NFQNL_MSG_CONFIG, queue_num);
nfq_nlmsg_cfg_put_cmd(nlh, PF_INET6, NFQNL_CFG_CMD_PF_UNBIND);
if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
perror("mnl_socket_send");
goto die;
}
nlh = nfq_nlmsg_put(buf, NFQNL_MSG_CONFIG, queue_num);
nfq_nlmsg_cfg_put_cmd(nlh, PF_INET6, NFQNL_CFG_CMD_PF_BIND);
if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
perror("mnl_socket_send");
goto die;
}
/* End of support for kernel versions < 3.8 */
nlh = nfq_nlmsg_put(buf, NFQNL_MSG_CONFIG, queue_num);
nfq_nlmsg_cfg_put_cmd(nlh, AF_INET, NFQNL_CFG_CMD_BIND);