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nfqws: tls client hello reassemble

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bol-van
2023-11-15 19:36:34 +03:00
parent f25f1f104b
commit a9a4cd5cb4
23 changed files with 377 additions and 149 deletions
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18
nfq/helpers.c
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@@ -5,6 +5,7 @@
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include <time.h>
void hexdump_limited_dlog(const uint8_t *data, size_t size, size_t limit)
{
@@ -149,12 +150,12 @@ void dbgprint_socket_buffers(int fd)
bool set_socket_buffers(int fd, int rcvbuf, int sndbuf)
{
DLOG("set_socket_buffers fd=%d rcvbuf=%d sndbuf=%d\n", fd, rcvbuf, sndbuf)
if (rcvbuf && setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &rcvbuf, sizeof(int)) < 0)
{
perror("setsockopt (SO_RCVBUF)");
close(fd);
return false;
}
if (rcvbuf && setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &rcvbuf, sizeof(int)) < 0)
{
perror("setsockopt (SO_RCVBUF)");
close(fd);
return false;
}
if (sndbuf && setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &sndbuf, sizeof(int)) < 0)
{
perror("setsockopt (SO_SNDBUF)");
@@ -188,6 +189,11 @@ void phton64(uint8_t *p, uint64_t v)
p[7] = (uint8_t)(v >> 0);
}
bool seq_within(uint32_t s, uint32_t s1, uint32_t s2)
{
return s2>=s1 && s>=s1 && s<=s2 || s2<s1 && (s<=s2 || s>=s1);
}
bool ipv6_addr_is_zero(const struct in6_addr *a)
{
return !memcmp(a,"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",16);