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GoodbyeDPI
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Minor modifications

This commit is contained in:
ValdikSS 2017-12-17 00:28:11 +03:00
parent bfed8638e5
commit 60e87f769a
4 changed files with 9 additions and 9 deletions
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6
Makefile
View File

@ -9,9 +9,9 @@ TARGET = goodbyedpi.exe
LIBS = -L$(WINDIVERTLIBS) -lWinDivert -lws2_32
CC = $(CPREFIX)gcc
CCWINDRES = $(CPREFIX)windres
CFLAGS = -Wall -I$(WINDIVERTHEADERS) -L$(WINDIVERTLIBS) \
CFLAGS = -Wall -Wextra -I$(WINDIVERTHEADERS) -L$(WINDIVERTLIBS) \
-O2 -pie -fPIE -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2
LDFLAGS = -pie
LDFLAGS = -Wl,-O1,--sort-common,--as-needed
.PHONY: default all clean
@ -30,7 +30,7 @@ manifest:
.PRECIOUS: $(TARGET) $(OBJECTS)
$(TARGET): $(OBJECTS)
$(CC) $(OBJECTS) -Wall $(LIBS) -s -o $@
$(CC) $(OBJECTS) -Wall $(LDFLAGS) $(LIBS) -s -o $@
clean:
-rm -f *.o

3
dnsredir.c
View File

@ -141,6 +141,8 @@ void dns_cleanup() {
}
int dns_is_dns_packet(const char *packet_data, const UINT packet_dataLen, const int outgoing) {
if (packet_dataLen < 16) return FALSE;
if (outgoing && (ntohs(*(const uint16_t*)(packet_data + 2)) & 0xFA00) == 0 &&
(ntohs(*(const uint32_t*)(packet_data + 6))) == 0) {
return TRUE;
@ -171,7 +173,6 @@ int dns_handle_outgoing(const uint32_t srcip, const uint16_t srcport,
}
int dns_handle_incoming(const uint32_t srcip, const uint16_t srcport,
const uint32_t dstip, const uint16_t dstport,
const char *packet_data, const UINT packet_dataLen,
conntrack_info_t *conn_info) {

1
dnsredir.h
View File

@ -8,7 +8,6 @@ typedef struct conntrack_info {
} conntrack_info_t;
int dns_handle_incoming(const uint32_t srcip, const uint16_t srcport,
const uint32_t dstip, const uint16_t dstport,
const char *packet_data, const UINT packet_dataLen,
conntrack_info_t *conn_info);

8
goodbyedpi.c
View File

@ -137,7 +137,7 @@ static void deinit_all() {
}
}
static void sigint_handler(int sig) {
static void sigint_handler(int sig __attribute__((unused))) {
deinit_all();
exit(EXIT_SUCCESS);
}
@ -208,7 +208,7 @@ static void change_window_size(const char *pkt, int size) {
/* HTTP method end without trailing space */
static PVOID find_http_method_end(const char *pkt, int offset) {
int i;
unsigned int i;
for (i = 0; i<(sizeof(http_methods) / sizeof(*http_methods)); i++) {
if (memcmp(pkt, http_methods[i], strlen(http_methods[i])) == 0) {
return (char*)pkt + strlen(http_methods[i]) - 1;
@ -285,6 +285,7 @@ int main(int argc, char *argv[]) {
do_passivedpi = do_host = do_host_removespace \
= do_fragment_https = 1;
https_fragment_size = 40;
break;
case '4':
do_passivedpi = do_host = do_host_removespace = 1;
break;
@ -354,7 +355,7 @@ int main(int argc, char *argv[]) {
exit(EXIT_FAILURE);
}
dns_port = atoi(optarg);
if (dns_port <= 0 || dns_port > 65535) {
if (atoi(optarg) <= 0 || atoi(optarg) > 65535) {
printf("DNS port parameter error!\n");
exit(EXIT_FAILURE);
}
@ -584,7 +585,6 @@ int main(int argc, char *argv[]) {
if (addr.Direction == WINDIVERT_DIRECTION_INBOUND) {
if (dns_handle_incoming(ppIpHdr->DstAddr, ppUdpHdr->DstPort,
ppIpHdr->SrcAddr, ppUdpHdr->SrcPort,
packet_data, packet_dataLen,
&dns_conn_info))
{