mirror of
https://github.com/php/php-src.git
synced 2024-09-22 10:27:25 +00:00
423 lines
15 KiB
C
423 lines
15 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2014 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Bob Weinand <bwoebi@php.net> |
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+----------------------------------------------------------------------+
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*/
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#include "phpdbg_wait.h"
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#include "phpdbg_prompt.h"
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#include "ext/standard/php_var.h"
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#include "ext/standard/basic_functions.h"
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ZEND_EXTERN_MODULE_GLOBALS(phpdbg);
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ZEND_EXTERN_MODULE_GLOBALS(json);
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static void phpdbg_rebuild_http_globals_array(int type, const char *name TSRMLS_DC) {
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zval **zvpp;
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if (PG(http_globals)[type]) {
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zval_dtor(PG(http_globals)[type]);
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}
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if (zend_hash_find(&EG(symbol_table), name, strlen(name) + 1, (void **) &zvpp) == SUCCESS) {
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Z_SET_REFCOUNT_PP(zvpp, 2);
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PG(http_globals)[type] = *zvpp;
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}
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}
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static int phpdbg_dearm_autoglobals(zend_auto_global *auto_global TSRMLS_DC) {
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if (auto_global->name_len != sizeof("GLOBALS") - 1 || memcmp(auto_global->name, "GLOBALS", sizeof("GLOBALS") - 1)) {
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auto_global->armed = 0;
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}
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return ZEND_HASH_APPLY_KEEP;
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}
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typedef struct {
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HashTable *ht[2];
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HashPosition pos[2];
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} phpdbg_intersect_ptr;
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static int phpdbg_array_data_compare(const void *a, const void *b TSRMLS_DC) {
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Bucket *f, *s;
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zval result;
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zval *first, *second;
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f = *((Bucket **) a);
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s = *((Bucket **) b);
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first = *((zval **) f->pData);
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second = *((zval **) s->pData);
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if (string_compare_function(&result, first, second TSRMLS_CC) == FAILURE) {
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return 0;
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}
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if (Z_LVAL(result) < 0) {
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return -1;
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} else if (Z_LVAL(result) > 0) {
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return 1;
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}
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return 0;
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}
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static void phpdbg_array_intersect_init(phpdbg_intersect_ptr *info, HashTable *ht1, HashTable *ht2 TSRMLS_DC) {
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info->ht[0] = ht1;
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info->ht[1] = ht2;
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zend_hash_sort(info->ht[0], zend_qsort, (compare_func_t) phpdbg_array_data_compare, 0 TSRMLS_CC);
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zend_hash_sort(info->ht[1], zend_qsort, (compare_func_t) phpdbg_array_data_compare, 0 TSRMLS_CC);
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zend_hash_internal_pointer_reset_ex(info->ht[0], &info->pos[0]);
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zend_hash_internal_pointer_reset_ex(info->ht[1], &info->pos[1]);
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}
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/* -1 => first array, 0 => both arrays equal, 1 => second array */
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static int phpdbg_array_intersect(phpdbg_intersect_ptr *info, zval ***ptr) {
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int ret;
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zval **zvpp[2];
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int invalid = !info->ht[0] + !info->ht[1];
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if (invalid > 0) {
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invalid = !info->ht[0];
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if (zend_hash_get_current_data_ex(info->ht[invalid], (void **) ptr, &info->pos[invalid]) == FAILURE) {
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*ptr = NULL;
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return 0;
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}
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zend_hash_move_forward_ex(info->ht[invalid], &info->pos[invalid]);
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return invalid ? 1 : -1;
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}
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if (zend_hash_get_current_data_ex(info->ht[0], (void **) &zvpp[0], &info->pos[0]) == FAILURE) {
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info->ht[0] = NULL;
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return phpdbg_array_intersect(info, ptr);
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}
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if (zend_hash_get_current_data_ex(info->ht[1], (void **) &zvpp[1], &info->pos[1]) == FAILURE) {
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info->ht[1] = NULL;
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return phpdbg_array_intersect(info, ptr);
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}
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ret = zend_binary_zval_strcmp(*zvpp[0], *zvpp[1]);
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if (ret <= 0) {
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*ptr = zvpp[0];
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zend_hash_move_forward_ex(info->ht[0], &info->pos[0]);
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}
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if (ret >= 0) {
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*ptr = zvpp[1];
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zend_hash_move_forward_ex(info->ht[1], &info->pos[1]);
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}
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return ret;
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}
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void phpdbg_webdata_decompress(char *msg, int len TSRMLS_DC) {
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zval *free_zv = NULL;
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zval zv, *zvp = &zv, **zvpp;
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HashTable *ht;
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php_unserialize_data_t var_hash;
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PHP_VAR_UNSERIALIZE_INIT(var_hash);
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if (!php_var_unserialize(&zvp, (const unsigned char **) &msg, (unsigned char *) msg + len, &var_hash TSRMLS_CC)) {
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PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
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phpdbg_error("wait", "type=\"invaliddata\" import=\"fail\"", "Malformed serialized was sent to this socket, arborting");
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return;
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}
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PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
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ht = Z_ARRVAL(zv);
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/* Reapply symbol table */
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if (zend_hash_find(ht, "GLOBALS", sizeof("GLOBALS"), (void **) &zvpp) == SUCCESS && Z_TYPE_PP(zvpp) == IS_ARRAY) {
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{
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zval **srv;
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if (zend_hash_find(Z_ARRVAL_PP(zvpp), "_SERVER", sizeof("_SERVER"), (void **) &srv) == SUCCESS && Z_TYPE_PP(srv) == IS_ARRAY) {
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zval **script;
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if (zend_hash_find(Z_ARRVAL_PP(srv), "SCRIPT_FILENAME", sizeof("SCRIPT_FILENAME"), (void **) &script) == SUCCESS && Z_TYPE_PP(script) == IS_STRING) {
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phpdbg_param_t param;
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param.str = Z_STRVAL_PP(script);
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PHPDBG_COMMAND_HANDLER(exec)(¶m TSRMLS_CC);
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}
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}
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}
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PG(auto_globals_jit) = 0;
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zend_hash_apply(CG(auto_globals), (apply_func_t) phpdbg_dearm_autoglobals TSRMLS_CC);
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zend_hash_clean(&EG(symbol_table));
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EG(symbol_table) = *Z_ARRVAL_PP(zvpp);
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/* Rebuild cookies, env vars etc. from GLOBALS (PG(http_globals)) */
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phpdbg_rebuild_http_globals_array(TRACK_VARS_POST, "_POST" TSRMLS_CC);
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phpdbg_rebuild_http_globals_array(TRACK_VARS_GET, "_GET" TSRMLS_CC);
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phpdbg_rebuild_http_globals_array(TRACK_VARS_COOKIE, "_COOKIE" TSRMLS_CC);
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phpdbg_rebuild_http_globals_array(TRACK_VARS_SERVER, "_SERVER" TSRMLS_CC);
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phpdbg_rebuild_http_globals_array(TRACK_VARS_ENV, "_ENV" TSRMLS_CC);
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phpdbg_rebuild_http_globals_array(TRACK_VARS_FILES, "_FILES" TSRMLS_CC);
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Z_ADDREF_PP(zvpp);
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free_zv = *zvpp;
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}
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#if PHP_VERSION_ID >= 50600
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if (zend_hash_find(ht, "input", sizeof("input"), (void **) &zvpp) == SUCCESS && Z_TYPE_PP(zvpp) == IS_STRING) {
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if (SG(request_info).request_body) {
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php_stream_close(SG(request_info).request_body);
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}
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SG(request_info).request_body = php_stream_temp_create_ex(TEMP_STREAM_DEFAULT, SAPI_POST_BLOCK_SIZE, PG(upload_tmp_dir));
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php_stream_truncate_set_size(SG(request_info).request_body, 0);
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php_stream_write(SG(request_info).request_body, Z_STRVAL_PP(zvpp), Z_STRLEN_PP(zvpp));
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}
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#endif
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if (zend_hash_find(ht, "cwd", sizeof("cwd"), (void **) &zvpp) == SUCCESS && Z_TYPE_PP(zvpp) == IS_STRING) {
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if (VCWD_CHDIR(Z_STRVAL_PP(zvpp)) == SUCCESS) {
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if (BG(CurrentStatFile) && !IS_ABSOLUTE_PATH(BG(CurrentStatFile), strlen(BG(CurrentStatFile)))) {
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efree(BG(CurrentStatFile));
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BG(CurrentStatFile) = NULL;
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}
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if (BG(CurrentLStatFile) && !IS_ABSOLUTE_PATH(BG(CurrentLStatFile), strlen(BG(CurrentLStatFile)))) {
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efree(BG(CurrentLStatFile));
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BG(CurrentLStatFile) = NULL;
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}
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}
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}
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if (zend_hash_find(ht, "sapi_name", sizeof("sapi_name"), (void **) &zvpp) == SUCCESS && (Z_TYPE_PP(zvpp) == IS_STRING || Z_TYPE_PP(zvpp) == IS_NULL)) {
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if (PHPDBG_G(sapi_name_ptr)) {
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free(PHPDBG_G(sapi_name_ptr));
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}
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if (Z_TYPE_PP(zvpp) == IS_STRING) {
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PHPDBG_G(sapi_name_ptr) = sapi_module.name = strdup(Z_STRVAL_PP(zvpp));
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} else {
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PHPDBG_G(sapi_name_ptr) = sapi_module.name = NULL;
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}
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}
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if (zend_hash_find(ht, "modules", sizeof("modules"), (void **) &zvpp) == SUCCESS && Z_TYPE_PP(zvpp) == IS_ARRAY) {
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HashPosition position;
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phpdbg_intersect_ptr pos;
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zval **module;
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zend_module_entry *mod;
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HashTable zv_registry;
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/* intersect modules, unregister modules loaded "too much", announce not yet registered modules (phpdbg_notice) */
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zend_hash_init(&zv_registry, zend_hash_num_elements(&module_registry), 0, ZVAL_PTR_DTOR, 0);
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for (zend_hash_internal_pointer_reset_ex(&module_registry, &position);
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zend_hash_get_current_data_ex(&module_registry, (void **) &mod, &position) == SUCCESS;
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zend_hash_move_forward_ex(&module_registry, &position)) {
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if (mod->name) {
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zval **value = emalloc(sizeof(zval *));
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MAKE_STD_ZVAL(*value);
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ZVAL_STRING(*value, mod->name, 1);
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zend_hash_next_index_insert(&zv_registry, value, sizeof(zval *), NULL);
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}
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}
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phpdbg_array_intersect_init(&pos, &zv_registry, Z_ARRVAL_PP(zvpp) TSRMLS_CC);
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do {
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int mode = phpdbg_array_intersect(&pos, &module);
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if (mode < 0) {
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// loaded module, but not needed
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if (strcmp(PHPDBG_NAME, Z_STRVAL_PP(module))) {
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zend_hash_del(&module_registry, Z_STRVAL_PP(module), Z_STRLEN_PP(module) + 1);
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}
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} else if (mode > 0) {
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// not loaded module
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if (!sapi_module.name || strcmp(sapi_module.name, Z_STRVAL_PP(module))) {
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phpdbg_notice("wait", "missingmodule=\"%.*s\"", "The module %.*s isn't present in " PHPDBG_NAME ", you still can load via dl /path/to/module/%.*s.so", Z_STRLEN_PP(module), Z_STRVAL_PP(module), Z_STRLEN_PP(module), Z_STRVAL_PP(module));
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}
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}
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} while (module);
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zend_hash_clean(&zv_registry);
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}
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if (zend_hash_find(ht, "extensions", sizeof("extensions"), (void **) &zvpp) == SUCCESS && Z_TYPE_PP(zvpp) == IS_ARRAY) {
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zend_extension *extension;
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zend_llist_position pos;
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HashPosition hpos;
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zval **name, key;
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extension = (zend_extension *) zend_llist_get_first_ex(&zend_extensions, &pos);
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while (extension) {
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extension = (zend_extension *) zend_llist_get_next_ex(&zend_extensions, &pos);
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/* php_serach_array() body should be in some ZEND_API function */
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for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(zvpp), &hpos);
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zend_hash_get_current_data_ex(Z_ARRVAL_PP(zvpp), (void **) &name, &hpos) == SUCCESS;
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zend_hash_move_forward_ex(Z_ARRVAL_PP(zvpp), &hpos)) {
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if (Z_TYPE_PP(name) == IS_STRING && !zend_binary_strcmp(extension->name, strlen(extension->name), Z_STRVAL_PP(name), Z_STRLEN_PP(name))) {
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break;
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}
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}
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if (zend_hash_get_current_data_ex(Z_ARRVAL_PP(zvpp), (void **) &zvpp, &hpos) == FAILURE) {
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/* sigh, breaking the encapsulation, there aren't any functions manipulating the llist at the place of the zend_llist_position */
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zend_llist_element *elm = pos;
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if (elm->prev) {
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elm->prev->next = elm->next;
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} else {
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zend_extensions.head = elm->next;
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}
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if (elm->next) {
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elm->next->prev = elm->prev;
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} else {
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zend_extensions.tail = elm->prev;
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}
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#if ZEND_EXTENSIONS_SUPPORT
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if (extension->shutdown) {
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extension->shutdown(extension);
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}
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#endif
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if (zend_extensions.dtor) {
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zend_extensions.dtor(elm->data);
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}
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pefree(elm, zend_extensions.persistent);
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zend_extensions.count--;
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} else {
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zend_hash_get_current_key_zval_ex(Z_ARRVAL_PP(zvpp), &key, &hpos);
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if (Z_TYPE(key) == IS_LONG) {
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zend_hash_index_del(Z_ARRVAL_PP(zvpp), Z_LVAL(key));
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}
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}
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for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(zvpp), &hpos);
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zend_hash_get_current_data_ex(Z_ARRVAL_PP(zvpp), (void **) &name, &hpos) == SUCCESS;
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zend_hash_move_forward_ex(Z_ARRVAL_PP(zvpp), &hpos)) {
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phpdbg_notice("wait", "missingextension=\"%.*s\"", "The Zend extension %.*s isn't present in " PHPDBG_NAME ", you still can load via dl /path/to/extension.so", Z_STRLEN_PP(name), Z_STRVAL_PP(name));
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}
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}
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}
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zend_ini_deactivate(TSRMLS_C);
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if (zend_hash_find(ht, "systemini", sizeof("systemini"), (void **) &zvpp) == SUCCESS && Z_TYPE_PP(zvpp) == IS_ARRAY) {
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HashPosition position;
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zval **ini_entry;
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zend_ini_entry *original_ini;
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zval key;
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for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(zvpp), &position);
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zend_hash_get_current_data_ex(Z_ARRVAL_PP(zvpp), (void**) &ini_entry, &position) == SUCCESS;
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zend_hash_move_forward_ex(Z_ARRVAL_PP(zvpp), &position)) {
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zend_hash_get_current_key_zval_ex(Z_ARRVAL_PP(zvpp), &key, &position);
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if (Z_TYPE(key) == IS_STRING) {
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if (Z_TYPE_PP(ini_entry) == IS_STRING) {
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if (zend_hash_find(EG(ini_directives), Z_STRVAL(key), Z_STRLEN(key) + 1, (void **) &original_ini) == SUCCESS) {
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if (!original_ini->on_modify || original_ini->on_modify(original_ini, Z_STRVAL_PP(ini_entry), Z_STRLEN_PP(ini_entry), original_ini->mh_arg1, original_ini->mh_arg2, original_ini->mh_arg3, ZEND_INI_STAGE_ACTIVATE TSRMLS_CC) == SUCCESS) {
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if (original_ini->modified && original_ini->orig_value != original_ini->value) {
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efree(original_ini->value);
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}
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original_ini->value = Z_STRVAL_PP(ini_entry);
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original_ini->value_length = Z_STRLEN_PP(ini_entry);
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Z_TYPE_PP(ini_entry) = IS_NULL; /* don't free the value */
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}
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}
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}
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efree(Z_STRVAL(key));
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}
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}
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}
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if (zend_hash_find(ht, "userini", sizeof("userini"), (void **) &zvpp) == SUCCESS && Z_TYPE_PP(zvpp) == IS_ARRAY) {
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HashPosition position;
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zval **ini_entry;
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zval key;
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for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(zvpp), &position);
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zend_hash_get_current_data_ex(Z_ARRVAL_PP(zvpp), (void**) &ini_entry, &position) == SUCCESS;
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zend_hash_move_forward_ex(Z_ARRVAL_PP(zvpp), &position)) {
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zend_hash_get_current_key_zval_ex(Z_ARRVAL_PP(zvpp), &key, &position);
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if (Z_TYPE(key) == IS_STRING) {
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if (Z_TYPE_PP(ini_entry) == IS_STRING) {
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zend_alter_ini_entry_ex(Z_STRVAL(key), Z_STRLEN(key) + 1, Z_STRVAL_PP(ini_entry), Z_STRLEN_PP(ini_entry), ZEND_INI_PERDIR, ZEND_INI_STAGE_HTACCESS, 1 TSRMLS_CC);
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}
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efree(Z_STRVAL(key));
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}
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}
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}
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zval_dtor(&zv);
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if (free_zv) {
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/* separate freeing to not dtor the symtable too, just the container zval... */
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efree(free_zv);
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}
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/* Reapply raw input */
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/* ??? */
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}
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PHPDBG_COMMAND(wait) /* {{{ */
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{
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#ifdef HAVE_JSON
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struct sockaddr_un local, remote;
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int rlen, sr, sl;
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unlink(PHPDBG_G(socket_path));
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if (PHPDBG_G(socket_server_fd) == -1) {
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int len;
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PHPDBG_G(socket_server_fd) = sl = socket(AF_UNIX, SOCK_STREAM, 0);
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local.sun_family = AF_UNIX;
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strcpy(local.sun_path, PHPDBG_G(socket_path));
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len = strlen(local.sun_path) + sizeof(local.sun_family);
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if (bind(sl, (struct sockaddr *)&local, len) == -1) {
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phpdbg_error("wait", "type=\"nosocket\" import=\"fail\"", "Unable to connect to UNIX domain socket at %s defined by phpdbg.path ini setting", PHPDBG_G(socket_path));
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return FAILURE;
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}
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chmod(PHPDBG_G(socket_path), 0666);
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listen(sl, 2);
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} else {
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sl = PHPDBG_G(socket_server_fd);
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}
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rlen = sizeof(remote);
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sr = accept(sl, (struct sockaddr *) &remote, (socklen_t *) &rlen);
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|
|
char msglen[5];
|
|
int recvd = 4;
|
|
|
|
do {
|
|
recvd -= recv(sr, &(msglen[4 - recvd]), recvd, 0);
|
|
} while (recvd > 0);
|
|
|
|
recvd = *(size_t *) msglen;
|
|
char *data = emalloc(recvd);
|
|
|
|
do {
|
|
recvd -= recv(sr, &(data[(*(int *) msglen) - recvd]), recvd, 0);
|
|
} while (recvd > 0);
|
|
|
|
phpdbg_webdata_decompress(data, *(int *) msglen TSRMLS_CC);
|
|
|
|
if (PHPDBG_G(socket_fd) != -1) {
|
|
close(PHPDBG_G(socket_fd));
|
|
}
|
|
PHPDBG_G(socket_fd) = sr;
|
|
|
|
efree(data);
|
|
|
|
phpdbg_notice("wait", "import=\"success\"", "Successfully imported request data, stopped before executing");
|
|
|
|
return SUCCESS;
|
|
#endif
|
|
} /* }}} */
|