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https://github.com/geode-sdk/geode.git
synced 2024-11-27 01:45:35 -05:00
97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
#include <stdlib.h> /* getenv */
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#include <stdio.h>
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#include <string.h>
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#include <iostream>
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#include <fstream>
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#include <set>
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#include <unordered_map>
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#include <sys/param.h>
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#include "./dobby_monitor.h"
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std::unordered_map<FILE *, const char *> *TracedFopenFileList;
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FILE *(*orig_fopen)(const char *filename, const char *mode);
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FILE *fake_fopen(const char *filename, const char *mode) {
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FILE *result = NULL;
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result = orig_fopen(filename, mode);
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if (result != NULL) {
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char *traced_filename = (char *)malloc(MAXPATHLEN);
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// FIXME: strncpy
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strcpy(traced_filename, filename);
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std::cout << "[-] trace file: " << filename << std::endl;
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TracedFopenFileList->insert(std::make_pair(result, traced_filename));
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}
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return result;
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}
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static const char *GetFileDescriptorTraced(FILE *stream, bool removed) {
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std::unordered_map<FILE *, const char *>::iterator it;
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it = TracedFopenFileList->find(stream);
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if (it != TracedFopenFileList->end()) {
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if (removed)
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TracedFopenFileList->erase(it);
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return it->second;
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}
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return NULL;
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}
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size_t (*orig_fread)(void *ptr, size_t size, size_t count, FILE *stream);
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size_t fake_fread(void *ptr, size_t size, size_t count, FILE *stream) {
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const char *file_name = GetFileDescriptorTraced(stream, false);
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if (file_name) {
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LOG("[-] fread: %s, buffer: %p\n", file_name, ptr);
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}
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return orig_fread(ptr, size, count, stream);
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}
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size_t (*orig_fwrite)(const void *ptr, size_t size, size_t count, FILE *stream);
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size_t fake_fwrite(void *ptr, size_t size, size_t count, FILE *stream) {
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const char *file_name = GetFileDescriptorTraced(stream, false);
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if (file_name) {
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LOG("[-] fwrite %s\n from %p\n", file_name, ptr);
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}
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return orig_fwrite(ptr, size, count, stream);
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}
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__attribute__((constructor)) void __main() {
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TracedFopenFileList = new std::unordered_map<FILE *, const char *>();
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#if defined(__APPLE__)
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#include <TargetConditionals.h>
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#if (TARGET_OS_IPHONE || TARGET_OS_MAC)
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std::ifstream file;
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file.open("/System/Library/CoreServices/SystemVersion.plist");
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std::cout << file.rdbuf();
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#endif
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#endif
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// DobbyHook((void *)fopen, (void *)fake_fopen, (void **)&orig_fopen);
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// DobbyHook((void *)fwrite, (void *)fake_fwrite, (void **)&orig_fwrite);
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// DobbyHook((void *)fread, (void *)fake_fread, (void **)&orig_fread);
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char *home = getenv("HOME");
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char *subdir = (char *)"/Library/Caches/";
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std::string filePath = std::string(home) + std::string(subdir) + "temp.log";
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char buffer[64];
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memset(buffer, 'B', 64);
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FILE *fd = fopen(filePath.c_str(), "w+");
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if (!fd)
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std::cout << "[!] open " << filePath << "failed!\n";
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fwrite(buffer, 64, 1, fd);
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fflush(fd);
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fseek(fd, 0, SEEK_SET);
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memset(buffer, 0, 64);
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fread(buffer, 64, 1, fd);
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return;
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}
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