88 lines
2.4 KiB
C
88 lines
2.4 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 <time.h>
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#include <limits.h>
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/* 链式保存原始指针 */
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zend_op_array *(*prev_compile_file)(zend_file_handle *file_handle, int type) = NULL;
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zend_op_array *(*prev_compile_string)(zval *source_string, const char *filename) = NULL;
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/* hook zend_compile_file */
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zend_op_array *hook_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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if (f) {
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fprintf(f, "[%ld] compile_file: %s\n",
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(long)time(NULL),
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file_handle->filename ? file_handle->filename : "(null)");
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fclose(f);
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}
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return prev_compile_file(file_handle, type);
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}
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/* hook zend_compile_string */
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zend_op_array *hook_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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if (f) {
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fprintf(f, "[%ld] compile_string: %s\n",
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(long)time(NULL),
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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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}
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fclose(f);
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}
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return prev_compile_string(source_string, filename);
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}
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PHP_MINIT_FUNCTION(dec_interceptor)
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{
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/* 注册链式钩子 */
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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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/* 初始化日志 */
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FILE *f = fopen("/tmp/dec_interceptor.log", "a");
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if (f) {
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fprintf(f, "[%ld] MINIT: chain hooks registered\n", (long)time(NULL));
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fclose(f);
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}
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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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/* 恢复原始指针 */
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zend_compile_file = prev_compile_file;
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zend_compile_string = prev_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(dec_interceptor),
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NULL,
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NULL,
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PHP_MINFO(dec_interceptor),
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PHP_DEC_INTERCEPTOR_VERSION,
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STANDARD_MODULE_PROPERTIES
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};
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ZEND_GET_MODULE(dec_interceptor)
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