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Fix follow pointer

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This commit is contained in:
BullyWiiPlaza 2017-08-20 19:13:54 +02:00
parent 767bc71cb5
commit 029bb4b14e
3 changed files with 16 additions and 20 deletions
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2
meta/meta.xml
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@ -3,7 +3,7 @@
<app>
<name>TCP Gecko</name>
<coder>BullyWiiPlaza, wj44, dimok, Chadderz, Marionumber1</coder>
<version>2.3</version>
<version>2.4</version>
<short_description>WiiU RAM Hacking</short_description>
<long_description>A memory editor that does magical things to your games. In order to develop and apply real-time
cheats use JGecko U.

34
src/tcp_gecko.cpp
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@ -84,7 +84,7 @@ struct pygecko_bss_t {
#define ONLY_ZEROS_READ 0xB0
#define NON_ZEROS_READ 0xBD
#define VERSION_HASH 0x3AC9444B
#define VERSION_HASH 0xC9D0452
ZEXTERN int ZEXPORT
deflateEnd OF((z_streamp
@ -1074,7 +1074,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
break;
}*/
case COMMAND_FOLLOW_POINTER: {
ret = recvwait(bss, clientfd, buffer, 8);
ret = recvwait(bss, clientfd, buffer, sizeof(int) * 2);
ASSERT_FUNCTION_SUCCEEDED(ret, "recvwait (Pointer address and offsets count)")
// Retrieve the pointer address and amount of offsets
@ -1082,7 +1082,7 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
int offsetsCount = ((int *) buffer)[1];
// Receive the offsets
ret = recvwait(bss, clientfd, buffer, offsetsCount * 4);
ret = recvwait(bss, clientfd, buffer, offsetsCount * sizeof(int));
ASSERT_FUNCTION_SUCCEEDED(ret, "recvwait (offsets)")
int offsets[offsetsCount];
int offsetIndex = 0;
@ -1091,30 +1091,26 @@ static int processCommands(struct pygecko_bss_t *bss, int clientfd) {
}
int destinationAddress = baseAddress;
if (isValidDataAddress(destinationAddress)) {
// Apply pointer offsets
for (offsetIndex = 0; offsetIndex < offsetsCount; offsetIndex++) {
int pointerValue = *(int *) destinationAddress;
int offset = offsets[offsetIndex];
destinationAddress = pointerValue + offset;
// Apply pointer offsets
for (offsetIndex = 0; offsetIndex < offsetsCount; offsetIndex++) {
int pointerValue = *(int *) destinationAddress;
int offset = offsets[offsetIndex];
destinationAddress = pointerValue + offset;
// Validate the pointer address
bool isValidDestinationAddress = isValidDataAddress(destinationAddress);
// Validate the pointer address
bool isValidDestinationAddress = isValidDataAddress(destinationAddress);
// Bail out if invalid
if (!isValidDestinationAddress) {
destinationAddress = -1;
// Bail out if invalid
if (!isValidDestinationAddress) {
destinationAddress = -1;
break;
}
break;
}
} else {
destinationAddress = -1;
}
// Return the destination address
((int *) buffer)[0] = destinationAddress;
ret = sendwait(bss, clientfd, buffer, 4);
ret = sendwait(bss, clientfd, buffer, sizeof(int));
ASSERT_FUNCTION_SUCCEEDED(ret, "recvwait (destination address)")
break;

BIN
tcpgecko.elf
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