142 lines
4.1 KiB
C
142 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 <time.h>
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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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void (*prev_execute_ex)(zend_execute_data *execute_data) = NULL;
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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] hook_compile_file called\n", (long)time(NULL));
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if (file_handle) {
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if (file_handle->filename) {
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fprintf(f, "[%ld] file_handle->filename = %s\n", (long)time(NULL), file_handle->filename);
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} else {
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fprintf(f, "[%ld] file_handle->filename = (null)\n", (long)time(NULL));
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}
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}
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fclose(f);
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}
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return prev_compile_file ? prev_compile_file(file_handle, type) : NULL;
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}
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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] hook_compile_string: filename = %s\n", (long)time(NULL), filename ? filename : "(null)");
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if (Z_TYPE_P(source_string) == IS_STRING) {
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zend_string *s = Z_STR_P(source_string);
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fprintf(f, "[DECRYPTED] %.*s\n", (int)(s->len > 200 ? 200 : s->len), s->val);
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}
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fclose(f);
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}
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return prev_compile_string ? prev_compile_string(source_string, filename) : NULL;
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}
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void hook_execute_ex(zend_execute_data *execute_data)
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{
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const zend_function *func = execute_data->func;
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if (func && ZEND_USER_CODE(func->type)) {
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const zend_op_array *opa = &func->op_array;
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FILE *f = fopen("/tmp/dec_interceptor.log", "a");
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if (f) {
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const char *fname = func->common.function_name ? ZSTR_VAL(func->common.function_name) : "(no name)";
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const char *file = opa->filename ? ZSTR_VAL(opa->filename) : "(no file)";
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fprintf(f, "[%ld] hook_execute_ex: %s (from %s)\n", (long)time(NULL), fname, file);
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fclose(f);
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}
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} else {
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// fallback logging for internal functions or missing info
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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] hook_execute_ex: (internal or unknown function)\n", (long)time(NULL));
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fclose(f);
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}
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}
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if (prev_execute_ex) {
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prev_execute_ex(execute_data);
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}
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}
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PHP_RINIT_FUNCTION(dec_interceptor)
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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] RINIT: zend_compile_file = %p\n", (long)time(NULL), zend_compile_file);
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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_MINIT_FUNCTION(dec_interceptor)
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{
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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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prev_execute_ex = zend_execute_ex;
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zend_execute_ex = hook_execute_ex;
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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 done\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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zend_compile_file = prev_compile_file;
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zend_compile_string = prev_compile_string;
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zend_execute_ex = prev_execute_ex;
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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] MSHUTDOWN done\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_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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PHP_RINIT(dec_interceptor),
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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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