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@ -1,6 +1,8 @@
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dnl Enable or disable dec_interceptor as a Zend extension
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PHP_ARG_ENABLE(dec_interceptor, whether to enable dec_interceptor support,
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[ --enable-dec_interceptor Enable dec_interceptor support])
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[ --enable-dec_interceptor Enable dec_interceptor Zend extension])
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if test "$PHP_DEC_INTERCEPTOR" = "yes"; then
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PHP_NEW_EXTENSION(dec_interceptor, dec_interceptor_string.c, $ext_shared)
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if test "$PHP_DEC_INTERCEPTOR" != "no"; then
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dnl 注册为 Zend 扩展，源码文件列表只需 dec_interceptor.c
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ZEND_EXTENSION_ENTRY(dec_interceptor, dec_interceptor.c, $ext_shared)
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fi
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@ -1,88 +1,70 @@
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/* dec_interceptor.c */
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#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 "zend_compile.h"
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#include "php_dec_interceptor.h"
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#include <time.h>
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#include <string.h>
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#include <limits.h>
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/* 保存原始函数指针 */
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zend_op_array *(*original_compile_file)(zend_file_handle *file_handle, int type) = NULL;
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zend_op_array *(*original_compile_string)(zval *source_string, const char *filename) = NULL;
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/* 先声明保留所有可能的原始指针 */
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static zend_op_array *(*prev_compile_file)(zend_file_handle *fh, int type);
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static zend_op_array *(*prev_compile_string)(zval *src, const char *filename);
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static zend_op_array *(*prev_compile)(zend_file_handle *fh, int type);
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/* hook zend_compile_file */
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zend_op_array *custom_compile_file(zend_file_handle *file_handle, int type)
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{
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FILE *f = fopen("/tmp/dec_interceptor.log", "a");
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/* 1. 覆盖 zend_compile_file */
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static zend_op_array *hook_compile_file(zend_file_handle *fh, int type) {
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/* 记录到日志 */
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FILE *f = fopen("/tmp/dec_interceptor.log","a");
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if (f) {
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time_t t = time(NULL);
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fprintf(f, "[%ld] compile_file: %s\n", t,
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file_handle->filename ? file_handle->filename : "(null)");
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fprintf(f, "[%ld] compile_file: %s\n",
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(long)time(NULL), fh->filename ? fh->filename : "(null)");
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fclose(f);
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}
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return original_compile_file(file_handle, type);
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/* 链式调用：先走上一个（可能是原生，也可能是 swoole_loader） */
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return prev_compile_file(fh, type);
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}
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/* hook zend_compile_string */
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zend_op_array *custom_compile_string(zval *source_string, const char *filename)
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{
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FILE *f = fopen("/tmp/dec_interceptor.log", "a");
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/* 2. 覆盖 zend_compile_string */
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static zend_op_array *hook_compile_string(zval *src, const char *filename) {
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FILE *f = fopen("/tmp/dec_interceptor.log","a");
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if (f) {
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time_t t = time(NULL);
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fprintf(f, "[%ld] compile_string: %s\n", t, filename ? filename : "(null)");
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if (Z_TYPE_P(source_string) == IS_STRING) {
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fwrite(Z_STRVAL_P(source_string), 1, Z_STRLEN_P(source_string), f);
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fprintf(f, "\n----\n");
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fprintf(f, "[%ld] compile_string: %s\n",
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(long)time(NULL), filename?filename:"(null)");
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if (Z_TYPE_P(src)==IS_STRING) {
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fwrite(Z_STRVAL_P(src),1,Z_STRLEN_P(src),f);
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fprintf(f,"\n----\n");
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}
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fclose(f);
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}
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return original_compile_string(source_string, filename);
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return prev_compile_string(src, filename);
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}
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PHP_MINIT_FUNCTION(dec_interceptor)
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{
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FILE *f = fopen("/tmp/dec_interceptor.log", "a");
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/* Zend 扩展的启动函数 */
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static void dec_interceptor_startup(zend_extension *extension) {
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/* 链式 Hook：把当前引擎指针交给 prev_* 保存，然后重写 */
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prev_compile_file = zend_compile_file;
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zend_compile_file = hook_compile_file;
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prev_compile_string = zend_compile_string;
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zend_compile_string = hook_compile_string;
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/* 追加一条 MINIT 日志 */
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FILE *f = fopen("/tmp/dec_interceptor.log","a");
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if (f) {
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time_t t = time(NULL);
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fprintf(f, "[%ld] MINIT: hook setup\n", t);
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fprintf(f, "[%ld] [ZendExt] hook initialized\n", (long)time(NULL));
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fclose(f);
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}
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original_compile_file = zend_compile_file;
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zend_compile_file = custom_compile_file;
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original_compile_string = zend_compile_string;
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zend_compile_string = custom_compile_string;
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return SUCCESS;
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}
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PHP_MSHUTDOWN_FUNCTION(dec_interceptor)
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{
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zend_compile_file = original_compile_file;
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zend_compile_string = original_compile_string;
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return SUCCESS;
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}
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PHP_MINFO_FUNCTION(dec_interceptor)
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{
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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_FUNCTION(dec_interceptor),
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NULL,
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NULL,
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PHP_MINFO_FUNCTION(dec_interceptor),
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PHP_DEC_INTERCEPTOR_VERSION,
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STANDARD_MODULE_PROPERTIES
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/* zend_extension_entry 结构 */
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zend_extension dec_interceptor_zend_extension = {
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.name = "dec_interceptor",
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.version = PHP_DEC_INTERCEPTOR_VERSION,
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.startup = dec_interceptor_startup,
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.shutdown = NULL,
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.activate = NULL,
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.deactivate = NULL,
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.message_handler = NULL,
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.op_array_handler= NULL,
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.resource_number = 0,
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.build_id = ZEND_MODULE_API_NO,
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.disable_zend_debug = 0
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};
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ZEND_GET_MODULE(dec_interceptor)
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