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This commit is contained in:
hailin 2025-07-30 22:53:52 +08:00
parent e12849a644
commit ecbfced114
3 changed files with 68 additions and 49 deletions
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8
dec_interceptor/config.m4
View File

@ -1,8 +1,8 @@
dnl Enable or disable dec_interceptor as a Zend extension
/* config.m4 */
dnl Enable or disable dec_interceptor as a PHP extension
PHP_ARG_ENABLE(dec_interceptor, whether to enable dec_interceptor support,
[ --enable-dec_interceptor Enable dec_interceptor Zend extension])
[ --enable-dec_interceptor Enable dec_interceptor support])
if test "$PHP_DEC_INTERCEPTOR" != "no"; then
dnl 注册为 Zend 扩展，源码文件列表只需 dec_interceptor.c
ZEND_EXTENSION_ENTRY(dec_interceptor, dec_interceptor.c, $ext_shared)
PHP_NEW_EXTENSION(dec_interceptor, dec_interceptor.c, $ext_shared)
fi

97
dec_interceptor/dec_interceptor_string.c
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@ -1,70 +1,87 @@
/* dec_interceptor.c */
#include "php.h"
#include "zend_compile.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "php_dec_interceptor.h"
#include <time.h>
#include <limits.h>
/* 先声明保留所有可能的原始指针 */
static zend_op_array *(*prev_compile_file)(zend_file_handle *fh, int type);
static zend_op_array *(*prev_compile_string)(zval *src, const char *filename);
static zend_op_array *(*prev_compile)(zend_file_handle *fh, int type);
/* chain-hook originals */
zend_op_array *(*prev_compile_file)(zend_file_handle *file_handle, int type) = NULL;
zend_op_array *(*prev_compile_string)(zval *source_string, const char *filename) = NULL;
/* 1. 覆盖 zend_compile_file */
static zend_op_array *hook_compile_file(zend_file_handle *fh, int type) {
/* 记录到日志 */
FILE *f = fopen("/tmp/dec_interceptor.log","a");
/* hook zend_compile_file */
zend_op_array *hook_compile_file(zend_file_handle *file_handle, int type)
{
FILE *f = fopen("/tmp/dec_interceptor.log", "a");
if (f) {
fprintf(f, "[%ld] compile_file: %s\n",
(long)time(NULL), fh->filename ? fh->filename : "(null)");
(long)time(NULL),
file_handle->filename ?: "(null)");
fclose(f);
}
/* 链式调用：先走上一个（可能是原生，也可能是 swoole_loader） */
return prev_compile_file(fh, type);
return prev_compile_file(file_handle, type);
}
/* 2. 覆盖 zend_compile_string */
static zend_op_array *hook_compile_string(zval *src, const char *filename) {
FILE *f = fopen("/tmp/dec_interceptor.log","a");
/* hook zend_compile_string */
zend_op_array *hook_compile_string(zval *source_string, const char *filename)
{
FILE *f = fopen("/tmp/dec_interceptor.log", "a");
if (f) {
fprintf(f, "[%ld] compile_string: %s\n",
(long)time(NULL), filename?filename:"(null)");
if (Z_TYPE_P(src)==IS_STRING) {
fwrite(Z_STRVAL_P(src),1,Z_STRLEN_P(src),f);
fprintf(f,"\n----\n");
(long)time(NULL),
filename ?: "(null)");
if (Z_TYPE_P(source_string) == IS_STRING) {
fwrite(Z_STRVAL_P(source_string), 1, Z_STRLEN_P(source_string), f);
fprintf(f, "\n----\n");
}
fclose(f);
}
return prev_compile_string(src, filename);
return prev_compile_string(source_string, filename);
}
/* Zend 扩展的启动函数 */
static void dec_interceptor_startup(zend_extension *extension) {
/* 链式 Hook：把当前引擎指针交给 prev_* 保存，然后重写 */
PHP_MINIT_FUNCTION(dec_interceptor)
{
/* chain hook setup */
prev_compile_file = zend_compile_file;
zend_compile_file = hook_compile_file;
prev_compile_string = zend_compile_string;
zend_compile_string = hook_compile_string;
/* 追加一条 MINIT 日志 */
FILE *f = fopen("/tmp/dec_interceptor.log","a");
/* log init */
FILE *f = fopen("/tmp/dec_interceptor.log", "a");
if (f) {
fprintf(f, "[%ld] [ZendExt] hook initialized\n", (long)time(NULL));
fprintf(f, "[%ld] MINIT: chain hooks registered\n", (long)time(NULL));
fclose(f);
}
return SUCCESS;
}
/* zend_extension_entry 结构 */
zend_extension dec_interceptor_zend_extension = {
.name = "dec_interceptor",
.version = PHP_DEC_INTERCEPTOR_VERSION,
.startup = dec_interceptor_startup,
.shutdown = NULL,
.activate = NULL,
.deactivate = NULL,
.message_handler = NULL,
.op_array_handler= NULL,
.resource_number = 0,
.build_id = ZEND_MODULE_API_NO,
.disable_zend_debug = 0
PHP_MSHUTDOWN_FUNCTION(dec_interceptor)
{
zend_compile_file = prev_compile_file;
zend_compile_string = prev_compile_string;
return SUCCESS;
}
PHP_MINFO_FUNCTION(dec_interceptor)
{
php_info_print_table_start();
php_info_print_table_row(2, "dec_interceptor support", "enabled");
php_info_print_table_end();
}
zend_module_entry dec_interceptor_module_entry = {
STANDARD_MODULE_HEADER,
"dec_interceptor",
NULL,
PHP_MINIT(dec_interceptor),
PHP_MSHUTDOWN(dec_interceptor),
NULL,
NULL,
PHP_MINFO(dec_interceptor),
PHP_DEC_INTERCEPTOR_VERSION,
STANDARD_MODULE_PROPERTIES
};
ZEND_GET_MODULE(dec_interceptor)

12
dec_interceptor/php_dec_interceptor.h
View File

@ -1,3 +1,4 @@
/* php_dec_interceptor.h */
#ifndef PHP_DEC_INTERCEPTOR_H
#define PHP_DEC_INTERCEPTOR_H
@ -9,13 +10,14 @@
extern zend_module_entry dec_interceptor_module_entry;
#define phpext_dec_interceptor_ptr &dec_interceptor_module_entry
/* ✅ 正确的函数指针类型 */
extern zend_op_array *(*original_compile_string)(zval *source_string, const char *filename);
/* chain-hook originals */
extern zend_op_array *(*prev_compile_file)(zend_file_handle *file_handle, int type);
extern zend_op_array *(*prev_compile_string)(zval *source_string, const char *filename);
/* ✅ 正确的 hook 函数声明 */
zend_op_array *custom_compile_string(zval *source_string, const char *filename);
/* hooks */
zend_op_array *hook_compile_file(zend_file_handle *file_handle, int type);
zend_op_array *hook_compile_string(zval *source_string, const char *filename);
/* 模块生命周期函数 */
PHP_MINIT_FUNCTION(dec_interceptor);
PHP_MSHUTDOWN_FUNCTION(dec_interceptor);
PHP_MINFO_FUNCTION(dec_interceptor);