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This commit is contained in:
hailin 2025-07-31 15:55:30 +08:00
parent d3e7d2c981
commit bf6e0f8a70
1 changed files with 33 additions and 20 deletions
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53
dec_interceptor/dec_interceptor.c
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@ -26,41 +26,54 @@ zend_op_array *hook_compile_file(zend_file_handle *file_handle, int type)
FILE *log = fopen("/tmp/dec_interceptor.log", "a");
if (log) {
fprintf(log, "[%ld] hook_compile_file called\n", (long)time(NULL));
if (file_handle && file_handle->filename) {
fprintf(log, "[%ld] file_handle->filename = %s\n", (long)time(NULL), file_handle->filename);
if (file_handle) {
fprintf(log, " file_handle->filename = %s\n", file_handle->filename ? file_handle->filename : "(null)");
fprintf(log, " file_handle->type = %d\n", file_handle->type);
}
}
// 只针对 install.php 做 hook
if (file_handle && file_handle->filename &&
strstr(file_handle->filename, "install.php") != NULL &&
file_handle->handle.fp) {
// 拦截 install.php 或其他目标文件
if (file_handle && file_handle->filename && strstr(file_handle->filename, "install.php")) {
if (file_handle->type == ZEND_HANDLE_FP && file_handle->handle.fp) {
// 正常文件指针
fseek(file_handle->handle.fp, 0, SEEK_SET);
char buffer[10241] = {0}; // 最多读取 10KB
size_t read_len = fread(buffer, 1, 10240, file_handle->handle.fp);
// 尝试 dump 前2000字节
char buffer[2049];
memset(buffer, 0, sizeof(buffer));
if (log && read_len > 0) {
fprintf(log, "[DECRYPTED_SOURCE install.php] (%zu bytes)\n%.*s\n", read_len, (int)read_len, buffer);
}
// 先保存当前文件指针位置（一般应为0）
long pos = ftell(file_handle->handle.fp);
fseek(file_handle->handle.fp, 0, SEEK_SET); // 重置位置
} else if (file_handle->type == ZEND_HANDLE_STREAM && file_handle->handle.stream.handle) {
// stream 类型，如 swoole_loader 包裹的加密解密流
php_stream *stream = (php_stream *) file_handle->handle.stream.handle;
// 读取前2000字节
size_t n = fread(buffer, 1, 2000, file_handle->handle.fp);
// 复位文件指针
fseek(file_handle->handle.fp, pos, SEEK_SET);
if (log) {
fprintf(log, "[DECRYPTED_SOURCE install.php]\n%.*s\n", (int)n, buffer);
if (php_stream_seek(stream, 0, SEEK_SET) == 0) {
char *contents = NULL;
size_t len = php_stream_copy_to_mem(stream, &contents, 10240, 0); // 最多10KB
if (contents && len > 0 && log) {
fprintf(log, "[DECRYPTED_STREAM_SOURCE install.php] (%zu bytes)\n%.*s\n", len, (int)len, contents);
}
if (contents) {
efree(contents);
}
php_stream_seek(stream, 0, SEEK_SET); // 重置流位置
} else if (log) {
fprintf(log, "[WARN] php_stream_seek failed\n");
}
} else if (log) {
fprintf(log, "[WARN] Unknown file_handle type or null stream/fp\n");
}
}
if (log) fclose(log);
// 调用原始编译器
return prev_compile_file ? prev_compile_file(file_handle, type) : NULL;
}
zend_op_array *hook_compile_string(zend_string *source_string, const char *filename)
{
FILE *f = fopen("/tmp/dec_interceptor.log", "a");