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nfq: switch to PF_DIVERT/SOCK_RAW on FreeBSD 14

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FreeBSD/FreeBSD-src@8624f4347e ("divert: declare PF_DIVERT
domain and stop abusing PF_INET") deprecated IPPROTO_DIVERT
by introducing address family-independent PF_DIVERT.

Use socket(PF_DIVERT, SOCK_RAW, 0) to avoid deprecated behavior,
i.e. FreeBSD/FreeBSD-src@f70a2e2948.
This commit is contained in:
Evgeniy Khramtsov 2023-07-16 17:22:38 +00:00
parent d5b104d781
commit aed912e702
2 changed files with 10 additions and 1 deletions
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7
nfq/darkmagic.c
View File

@ -899,7 +899,12 @@ static int rawsend_socket_divert(sa_family_t family)
// we either have to go to the link layer (its hard, possible problems arise, compat testing, ...) or use some HACKING
// from my point of view disabling direct ability to send ip frames is not security. its SHIT
int fd = socket(family, SOCK_RAW, IPPROTO_DIVERT);
int fd;
#if __FreeBSD_version >= 1400066 && defined(PF_DIVERT)
fd = socket(PF_DIVERT, SOCK_RAW, 0);
#else
fd = socket(family, SOCK_RAW, IPPROTO_DIVERT);
#endif
if (fd!=-1 && !set_socket_buffers(fd,4096,RAW_SNDBUF))
{
close(fd);

4
nfq/nfqws.c
View File

@ -347,7 +347,11 @@ static int dvt_main()
bp4.sin_addr.s_addr = INADDR_ANY;
printf("creating divert4 socket\n");
#if __FreeBSD_version >= 1400066 && defined(PF_DIVERT)
fd[0] = socket(PF_DIVERT, SOCK_RAW, 0);
#else
fd[0] = socket(AF_INET, SOCK_RAW, IPPROTO_DIVERT);
#endif
if (fd[0] == -1) {
perror("socket (DIVERT4)");
goto exiterr;