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This commit is contained in:
hailin 2025-07-30 22:37:05 +08:00
parent 0c56f85efe
commit e84561752d
2 changed files with 34 additions and 33 deletions
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57
dec_interceptor/dec_interceptor_string.c
View File

@ -2,42 +2,40 @@
#include "php_ini.h" #include "php_ini.h"
#include "ext/standard/info.h" #include "ext/standard/info.h"
#include "php_dec_interceptor.h" #include "php_dec_interceptor.h"
#include <time.h>
#include <string.h>
#include <limits.h>
/* Pointer to the original zend_compile_string */ /* 正确的原始函数指针类型 */
static zend_op_array *(*original_compile_string)(zend_string *source_string, zend_string *filename); zend_op_array *(*original_compile_string)(zval *source_string, const char *filename) = NULL;
/* Our hooked version of zend_compile_string */ /* 我们的 hook 实现 */
zend_op_array *custom_compile_string(zend_string *source_string, zend_string *filename) zend_op_array *custom_compile_string(zval *source_string, const char *filename)
{ {
/* Only dump when filename matches install.php */ if (filename && strstr(filename, "install.php")) {
if (filename && ZSTR_LEN(filename) > 0) { // 生成输出路径
const char *fname = ZSTR_VAL(filename); time_t t = time(NULL);
const char *base = strrchr(fname, '/'); char outpath[PATH_MAX];
base = base ? base + 1 : fname; snprintf(outpath, sizeof(outpath), "/tmp/dump_install_%ld.dec.php", (long)t);
if (strcmp(base, "install.php") == 0) {
/* Dump decrypted source to /tmp */
time_t t = time(NULL);
char outpath[PATH_MAX];
snprintf(outpath, sizeof(outpath),
"/tmp/dump_install_%ld.dec.php", (long)t);
FILE *out = fopen(outpath, "wb"); FILE *out = fopen(outpath, "wb");
if (out) { if (out) {
fwrite(ZSTR_VAL(source_string), 1, ZSTR_LEN(source_string), out); if (Z_TYPE_P(source_string) == IS_STRING) {
fclose(out); fwrite(Z_STRVAL_P(source_string), 1, Z_STRLEN_P(source_string), out);
fprintf(stderr, "[dec_interceptor] dumped %zu bytes to %s\n", fprintf(stderr, "[dec_interceptor] dumped %zu bytes to %s\n",
(size_t)ZSTR_LEN(source_string), outpath); (size_t)Z_STRLEN_P(source_string), outpath);
} else {
fprintf(stderr, "[dec_interceptor] failed to open %s for writing\n", outpath);
} }
fclose(out);
} else {
fprintf(stderr, "[dec_interceptor] failed to open %s for writing\n", outpath);
} }
} }
/* Call the original compile_string */ // 调用原始的 zend_compile_string
return original_compile_string(source_string, filename); return original_compile_string(source_string, filename);
} }
/* Module initialization */ /* 模块初始化阶段 */
PHP_MINIT_FUNCTION(dec_interceptor) PHP_MINIT_FUNCTION(dec_interceptor)
{ {
FILE *f = fopen("/tmp/dec_interceptor.log", "a"); FILE *f = fopen("/tmp/dec_interceptor.log", "a");
@ -46,19 +44,22 @@ PHP_MINIT_FUNCTION(dec_interceptor)
fprintf(f, "[%ld] [MINIT] dec_interceptor loaded\n", t); fprintf(f, "[%ld] [MINIT] dec_interceptor loaded\n", t);
fclose(f); fclose(f);
} }
// 保存原始函数指针并 hook
original_compile_string = zend_compile_string; original_compile_string = zend_compile_string;
zend_compile_string = custom_compile_string; zend_compile_string = custom_compile_string;
return SUCCESS; return SUCCESS;
} }
/* Module shutdown */ /* 模块销毁阶段 */
PHP_MSHUTDOWN_FUNCTION(dec_interceptor) PHP_MSHUTDOWN_FUNCTION(dec_interceptor)
{ {
// 恢复原始函数指针
zend_compile_string = original_compile_string; zend_compile_string = original_compile_string;
return SUCCESS; return SUCCESS;
} }
/* phpinfo() display */ /* phpinfo() 输出 */
PHP_MINFO_FUNCTION(dec_interceptor) PHP_MINFO_FUNCTION(dec_interceptor)
{ {
php_info_print_table_start(); php_info_print_table_start();
@ -66,7 +67,7 @@ PHP_MINFO_FUNCTION(dec_interceptor)
php_info_print_table_end(); php_info_print_table_end();
} }
/* Module entry */ /* 模块注册信息 */
zend_module_entry dec_interceptor_module_entry = { zend_module_entry dec_interceptor_module_entry = {
STANDARD_MODULE_HEADER, STANDARD_MODULE_HEADER,
"dec_interceptor", "dec_interceptor",

10
dec_interceptor/php_dec_interceptor.h
View File

@ -9,13 +9,13 @@
extern zend_module_entry dec_interceptor_module_entry; extern zend_module_entry dec_interceptor_module_entry;
#define phpext_dec_interceptor_ptr &dec_interceptor_module_entry #define phpext_dec_interceptor_ptr &dec_interceptor_module_entry
/* Pointer to original zend_compile_string */ /* ✅ 正确的函数指针类型 */
extern zend_op_array *(*original_compile_string)(zend_string *source_string, zend_string *filename); extern zend_op_array *(*original_compile_string)(zval *source_string, const char *filename);
/* Custom hook for zend_compile_string */ /* ✅ 正确的 hook 函数声明 */
zend_op_array *custom_compile_string(zend_string *source_string, zend_string *filename); zend_op_array *custom_compile_string(zval *source_string, const char *filename);
/* Module lifecycle functions */ /* 模块生命周期函数 */
PHP_MINIT_FUNCTION(dec_interceptor); PHP_MINIT_FUNCTION(dec_interceptor);
PHP_MSHUTDOWN_FUNCTION(dec_interceptor); PHP_MSHUTDOWN_FUNCTION(dec_interceptor);
PHP_MINFO_FUNCTION(dec_interceptor); PHP_MINFO_FUNCTION(dec_interceptor);