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nfqws: move code

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This commit is contained in:
bol-van 2024-11-13 19:08:59 +03:00
parent e5bcc5f682
commit ef9f9ae428
7 changed files with 53 additions and 56 deletions
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31
nfq/darkmagic.c
View File

@ -1871,3 +1871,34 @@ void verdict_udp_csum_fix(uint8_t verdict, struct udphdr *udphdr, size_t transpo
udp_fix_checksum(udphdr,transport_len,ip,ip6hdr);
}
}
void dbgprint_socket_buffers(int fd)
{
if (params.debug)
{
int v;
socklen_t sz;
sz = sizeof(int);
if (!getsockopt(fd, SOL_SOCKET, SO_RCVBUF, &v, &sz))
DLOG("fd=%d SO_RCVBUF=%d\n", fd, v);
sz = sizeof(int);
if (!getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &v, &sz))
DLOG("fd=%d SO_SNDBUF=%d\n", fd, v);
}
}
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)
{
DLOG_PERROR("setsockopt (SO_RCVBUF)");
return false;
}
if (sndbuf && setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &sndbuf, sizeof(int)) < 0)
{
DLOG_PERROR("setsockopt (SO_SNDBUF)");
return false;
}
dbgprint_socket_buffers(fd);
return true;
}

3
nfq/darkmagic.h
View File

@ -247,3 +247,6 @@ void do_nat(bool bOutbound, struct ip *ip, struct ip6_hdr *ip6, struct tcphdr *t
void verdict_tcp_csum_fix(uint8_t verdict, struct tcphdr *tcphdr, size_t transport_len, struct ip *ip, struct ip6_hdr *ip6hdr);
void verdict_udp_csum_fix(uint8_t verdict, struct udphdr *udphdr, size_t transport_len, struct ip *ip, struct ip6_hdr *ip6hdr);
void dbgprint_socket_buffers(int fd);
bool set_socket_buffers(int fd, int rcvbuf, int sndbuf);

4
nfq/desync.c
View File

@ -2163,7 +2163,7 @@ static void packet_debug(bool replay, const struct dissect *dis)
char s[80];
str_tcphdr(s,sizeof(s),dis->tcp);
DLOG(" %s\n",s);
if (dis->len_payload) { DLOG("TCP: len=%zu : ",dis->len_payload); hexdump_limited_dlog(dis->data_payload, dis->len_payload, 32); DLOG("\n"); }
if (dis->len_payload) { DLOG("TCP: len=%zu : ",dis->len_payload); hexdump_limited_dlog(dis->data_payload, dis->len_payload, PKTDATA_MAXDUMP); DLOG("\n"); }
}
else if (dis->udp)
@ -2171,7 +2171,7 @@ static void packet_debug(bool replay, const struct dissect *dis)
char s[30];
str_udphdr(s,sizeof(s),dis->udp);
DLOG(" %s\n",s);
if (dis->len_payload) { DLOG("UDP: len=%zu : ",dis->len_payload); hexdump_limited_dlog(dis->data_payload, dis->len_payload, 32); DLOG("\n"); }
if (dis->len_payload) { DLOG("UDP: len=%zu : ",dis->len_payload); hexdump_limited_dlog(dis->data_payload, dis->len_payload, PKTDATA_MAXDUMP); DLOG("\n"); }
}
else
DLOG("\n");

51
nfq/helpers.c
View File

@ -5,12 +5,11 @@
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/stat.h>
#include <libgen.h>
#include "params.h"
int unique_size_t(size_t *pu, int ct)
{
int i, j, u;
@ -64,22 +63,6 @@ char *strncasestr(const char *s, const char *find, size_t slen)
return (char *)s;
}
void hexdump_limited_dlog(const uint8_t *data, size_t size, size_t limit)
{
size_t k;
bool bcut = false;
if (size > limit)
{
size = limit;
bcut = true;
}
if (!size) return;
for (k = 0; k < size; k++) DLOG("%02X ", data[k]);
DLOG(bcut ? "... : " : ": ");
for (k = 0; k < size; k++) DLOG("%c", data[k] >= 0x20 && data[k] <= 0x7F ? (char)data[k] : '.');
if (bcut) DLOG(" ...");
}
bool load_file(const char *filename, void *buffer, size_t *buffer_size)
{
@ -220,38 +203,6 @@ uint16_t saport(const struct sockaddr *sa)
sa->sa_family==AF_INET6 ? ((struct sockaddr_in6*)sa)->sin6_port : 0);
}
void dbgprint_socket_buffers(int fd)
{
if (params.debug)
{
int v;
socklen_t sz;
sz = sizeof(int);
if (!getsockopt(fd, SOL_SOCKET, SO_RCVBUF, &v, &sz))
DLOG("fd=%d SO_RCVBUF=%d\n", fd, v);
sz = sizeof(int);
if (!getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &v, &sz))
DLOG("fd=%d SO_SNDBUF=%d\n", fd, v);
}
}
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)
{
DLOG_PERROR("setsockopt (SO_RCVBUF)");
close(fd);
return false;
}
if (sndbuf && setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &sndbuf, sizeof(int)) < 0)
{
DLOG_PERROR("setsockopt (SO_SNDBUF)");
close(fd);
return false;
}
dbgprint_socket_buffers(fd);
return true;
}
uint64_t pntoh64(const void *p)
{

4
nfq/helpers.h
View File

@ -24,7 +24,6 @@ void rtrim(char *s);
void replace_char(char *s, char from, char to);
char *strncasestr(const char *s,const char *find, size_t slen);
void hexdump_limited_dlog(const uint8_t *data, size_t size, size_t limit);
bool load_file(const char *filename,void *buffer,size_t *buffer_size);
bool load_file_nonempty(const char *filename,void *buffer,size_t *buffer_size);
bool save_file(const char *filename, const void *buffer, size_t buffer_size);
@ -40,9 +39,6 @@ uint16_t saport(const struct sockaddr *sa);
bool seq_within(uint32_t s, uint32_t s1, uint32_t s2);
void dbgprint_socket_buffers(int fd);
bool set_socket_buffers(int fd, int rcvbuf, int sndbuf);
uint64_t pntoh64(const void *p);
void phton64(uint8_t *p, uint64_t v);

15
nfq/params.c
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@ -154,6 +154,21 @@ int HOSTLIST_DEBUGLOG_APPEND(const char *format, ...)
return 0;
}
void hexdump_limited_dlog(const uint8_t *data, size_t size, size_t limit)
{
size_t k;
bool bcut = false;
if (size > limit)
{
size = limit;
bcut = true;
}
if (!size) return;
for (k = 0; k < size; k++) DLOG("%02X ", data[k]);
DLOG(bcut ? "... : " : ": ");
for (k = 0; k < size; k++) DLOG("%c", data[k] >= 0x20 && data[k] <= 0x7F ? (char)data[k] : '.');
if (bcut) DLOG(" ...");
}
struct desync_profile_list *dp_list_add(struct desync_profile_list_head *head)
{

1
nfq/params.h
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@ -148,3 +148,4 @@ int DLOG_ERR(const char *format, ...);
int DLOG_PERROR(const char *s);
int DLOG_CONDUP(const char *format, ...);
int HOSTLIST_DEBUGLOG_APPEND(const char *format, ...);
void hexdump_limited_dlog(const uint8_t *data, size_t size, size_t limit);