123 lines
4.1 KiB
C
123 lines
4.1 KiB
C
#include "php.h"
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#include "php_ini.h"
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#include "ext/standard/info.h"
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#include "php_dec_interceptor.h"
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#include "main/php_streams.h"
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static zend_op_array* (*original_compile_file)(zend_file_handle *file_handle, int type);
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static zend_op_array* custom_compile_file(zend_file_handle *file_handle, int type) {
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fprintf(stderr, "[hook] zend_compile_file called\n");
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if (file_handle && file_handle->filename) {
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const char *source_path = file_handle->filename;
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fprintf(stderr, "[hook] filename = %s\n", source_path);
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fprintf(stderr, "[hook] file_handle->type = %d\n", file_handle->type);
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// ✅ 只处理 install.php
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if (!strstr(source_path, "install.php")) {
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fprintf(stderr, "[skip] not install.php, skip dump: %s\n", source_path);
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return original_compile_file(file_handle, type);
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}
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char *buffer = NULL;
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size_t size = 0;
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if (file_handle->type == ZEND_HANDLE_FP && file_handle->handle.fp) {
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fprintf(stderr, "[info] Detected ZEND_HANDLE_FP\n");
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FILE *fp = file_handle->handle.fp;
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fseek(fp, 0, SEEK_END);
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size = ftell(fp);
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fseek(fp, 0, SEEK_SET);
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if (size > 0 && size < 100 * 1024 * 1024) {
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buffer = emalloc(size + 1);
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if (fread(buffer, 1, size, fp) != size) {
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fprintf(stderr, "[warn] fread failed on %s\n", source_path);
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efree(buffer);
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buffer = NULL;
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} else {
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buffer[size] = '\0';
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}
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}
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} else if (file_handle->type == ZEND_HANDLE_STREAM && file_handle->handle.stream.handle) {
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fprintf(stderr, "[info] Detected ZEND_HANDLE_STREAM\n");
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php_stream *stream = (php_stream *)file_handle->handle.stream.handle;
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php_stream_seek(stream, 0, SEEK_END);
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size = php_stream_tell(stream);
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php_stream_seek(stream, 0, SEEK_SET);
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if (size > 0 && size < 100 * 1024 * 1024) {
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buffer = emalloc(size + 1);
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size_t read_bytes = php_stream_read(stream, buffer, size);
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if (read_bytes <= 0) {
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fprintf(stderr, "[warn] php_stream_read failed: %zu bytes\n", read_bytes);
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efree(buffer);
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buffer = NULL;
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} else {
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buffer[read_bytes] = '\0';
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size = read_bytes;
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}
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}
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}
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if (buffer && size > 0) {
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char output_path[PATH_MAX];
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snprintf(output_path, sizeof(output_path), "%s.dec.php", source_path);
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FILE *out = fopen(output_path, "wb");
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if (out) {
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fwrite(buffer, 1, size, out);
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fclose(out);
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fprintf(stderr, "[dump] saved to: %s (%zu bytes)\n", output_path, size);
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} else {
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fprintf(stderr, "[error] failed to open output file: %s\n", output_path);
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}
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efree(buffer);
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} else {
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fprintf(stderr, "[skip] buffer is NULL or size = 0\n");
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}
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} else {
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fprintf(stderr, "[warn] file_handle or filename is NULL\n");
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}
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return original_compile_file(file_handle, type);
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}
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PHP_MINIT_FUNCTION(dec_interceptor) {
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original_compile_file = zend_compile_file;
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zend_compile_file = custom_compile_file;
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fprintf(stderr, "[init] dec_interceptor loaded\n");
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return SUCCESS;
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}
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PHP_MSHUTDOWN_FUNCTION(dec_interceptor) {
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zend_compile_file = original_compile_file;
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fprintf(stderr, "[shutdown] dec_interceptor unloaded\n");
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return SUCCESS;
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}
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PHP_MINFO_FUNCTION(dec_interceptor) {
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php_info_print_table_start();
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php_info_print_table_row(2, "dec_interceptor support", "enabled");
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php_info_print_table_end();
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}
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zend_module_entry dec_interceptor_module_entry = {
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STANDARD_MODULE_HEADER,
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"dec_interceptor",
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NULL,
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PHP_MINIT(dec_interceptor),
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PHP_MSHUTDOWN(dec_interceptor),
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NULL,
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NULL,
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PHP_MINFO(dec_interceptor),
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"0.1",
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STANDARD_MODULE_PROPERTIES
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};
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ZEND_GET_MODULE(dec_interceptor)
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