+++ /dev/null
-/*
- +--------------------------------------------------------------------+
- | PECL :: http |
- +--------------------------------------------------------------------+
- | Redistribution and use in source and binary forms, with or without |
- | modification, are permitted provided that the conditions mentioned |
- | in the accompanying LICENSE file are met. |
- +--------------------------------------------------------------------+
- | Copyright (c) 2004-2014, Michael Wallner <mike@php.net> |
- +--------------------------------------------------------------------+
-*/
-
-#include "php_http_api.h"
-
-#ifndef DBG_PARSER
-# define DBG_PARSER 0
-#endif
-
-typedef struct php_http_header_parser_state_spec {
- php_http_header_parser_state_t state;
- unsigned need_data:1;
-} php_http_header_parser_state_spec_t;
-
-static const php_http_header_parser_state_spec_t php_http_header_parser_states[] = {
- {PHP_HTTP_HEADER_PARSER_STATE_START, 1},
- {PHP_HTTP_HEADER_PARSER_STATE_KEY, 1},
- {PHP_HTTP_HEADER_PARSER_STATE_VALUE, 1},
- {PHP_HTTP_HEADER_PARSER_STATE_VALUE_EX, 0},
- {PHP_HTTP_HEADER_PARSER_STATE_HEADER_DONE, 0},
- {PHP_HTTP_HEADER_PARSER_STATE_DONE, 0}
-};
-
-php_http_header_parser_t *php_http_header_parser_init(php_http_header_parser_t *parser TSRMLS_DC)
-{
- if (!parser) {
- parser = emalloc(sizeof(*parser));
- }
- memset(parser, 0, sizeof(*parser));
-
- TSRMLS_SET_CTX(parser->ts);
-
- return parser;
-}
-
-php_http_header_parser_state_t php_http_header_parser_state_push(php_http_header_parser_t *parser, unsigned argc, ...)
-{
- va_list va_args;
- unsigned i;
- php_http_header_parser_state_t state = 0;
-
- /* short circuit */
- ZEND_PTR_STACK_RESIZE_IF_NEEDED((&parser->stack), argc);
-
- va_start(va_args, argc);
- for (i = 0; i < argc; ++i) {
- state = va_arg(va_args, php_http_header_parser_state_t);
- zend_ptr_stack_push(&parser->stack, (void *) state);
- }
- va_end(va_args);
-
- return state;
-}
-
-php_http_header_parser_state_t php_http_header_parser_state_is(php_http_header_parser_t *parser)
-{
- if (parser->stack.top) {
- return (php_http_header_parser_state_t) parser->stack.elements[parser->stack.top - 1];
- }
-
- return PHP_HTTP_HEADER_PARSER_STATE_START;
-}
-
-php_http_header_parser_state_t php_http_header_parser_state_pop(php_http_header_parser_t *parser)
-{
- if (parser->stack.top) {
- return (php_http_header_parser_state_t) zend_ptr_stack_pop(&parser->stack);
- }
-
- return PHP_HTTP_HEADER_PARSER_STATE_START;
-}
-
-void php_http_header_parser_dtor(php_http_header_parser_t *parser)
-{
- zend_ptr_stack_destroy(&parser->stack);
- php_http_info_dtor(&parser->info);
- PTR_FREE(parser->_key.str);
- PTR_FREE(parser->_val.str);
-}
-
-void php_http_header_parser_free(php_http_header_parser_t **parser)
-{
- if (*parser) {
- php_http_header_parser_dtor(*parser);
- efree(*parser);
- *parser = NULL;
- }
-}
-
-/* NOTE: 'str' has to be null terminated */
-static void php_http_header_parser_error(size_t valid_len, char *str, size_t len, const char *eol_str TSRMLS_DC)
-{
- int escaped_len;
- char *escaped_str;
-
- escaped_str = php_addcslashes(str, len, &escaped_len, 0, ZEND_STRL("\x0..\x1F\x7F..\xFF") TSRMLS_CC);
-
- if (valid_len != len && (!eol_str || (str+valid_len) != eol_str)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse headers: unexpected character '\\%03o' at pos %zu of '%.*s'", str[valid_len], valid_len, escaped_len, escaped_str);
- } else if (eol_str) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse headers: unexpected end of line at pos %zu of '%.*s'", eol_str - str, escaped_len, escaped_str);
- } else {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse headers: unexpected end of input at pos %zu of '%.*s'", len, escaped_len, escaped_str);
- }
-
- efree(escaped_str);
-}
-
-php_http_header_parser_state_t php_http_header_parser_parse(php_http_header_parser_t *parser, php_http_buffer_t *buffer, unsigned flags, HashTable *headers, php_http_info_callback_t callback_func, void *callback_arg)
-{
- TSRMLS_FETCH_FROM_CTX(parser->ts);
-
- while (buffer->used || !php_http_header_parser_states[php_http_header_parser_state_is(parser)].need_data) {
-#if DBG_PARSER
- const char *state[] = {"START", "KEY", "VALUE", "VALUE_EX", "HEADER_DONE", "DONE"};
- fprintf(stderr, "#HP: %s (avail:%zu, num:%d cleanup:%u)\n", php_http_header_parser_state_is(parser) < 0 ? "FAILURE" : state[php_http_header_parser_state_is(parser)], buffer->used, headers?zend_hash_num_elements(headers):0, flags);
- _dpf(0, buffer->data, buffer->used);
-#endif
- switch (php_http_header_parser_state_pop(parser)) {
- case PHP_HTTP_HEADER_PARSER_STATE_FAILURE:
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse headers");
- return php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_FAILURE);
-
- case PHP_HTTP_HEADER_PARSER_STATE_START: {
- char *ptr = buffer->data;
-
- while (ptr - buffer->data < buffer->used && PHP_HTTP_IS_CTYPE(space, *ptr)) {
- ++ptr;
- }
-
- php_http_buffer_cut(buffer, 0, ptr - buffer->data);
- php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_KEY);
- break;
- }
-
- case PHP_HTTP_HEADER_PARSER_STATE_KEY: {
- const char *colon, *eol_str = NULL;
- int eol_len = 0;
-
- /* fix buffer here, so eol_str pointer doesn't become obsolete afterwards */
- php_http_buffer_fix(buffer);
-
- if (buffer->data == (eol_str = php_http_locate_bin_eol(buffer->data, buffer->used, &eol_len))) {
- /* end of headers */
- php_http_buffer_cut(buffer, 0, eol_len);
- php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_DONE);
- } else if (php_http_info_parse(&parser->info, buffer->data TSRMLS_CC)) {
- /* new message starting with request/response line */
- if (callback_func) {
- callback_func(callback_arg, &headers, &parser->info TSRMLS_CC);
- }
- php_http_info_dtor(&parser->info);
- php_http_buffer_cut(buffer, 0, eol_str + eol_len - buffer->data);
- php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_HEADER_DONE);
- } else if ((colon = memchr(buffer->data, ':', buffer->used)) && (!eol_str || eol_str > colon)) {
- /* header: string */
- size_t valid_len;
-
- parser->_key.len = colon - buffer->data;
- parser->_key.str = estrndup(buffer->data, parser->_key.len);
-
- valid_len = strspn(parser->_key.str, PHP_HTTP_HEADER_NAME_CHARS);
- if (valid_len != parser->_key.len) {
- php_http_header_parser_error(valid_len, parser->_key.str, parser->_key.len, eol_str TSRMLS_CC);
- PTR_SET(parser->_key.str, NULL);
- return php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_FAILURE);
- }
- while (PHP_HTTP_IS_CTYPE(space, *++colon) && *colon != '\n' && *colon != '\r');
- php_http_buffer_cut(buffer, 0, colon - buffer->data);
- php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_VALUE);
- } else if (eol_str || (flags & PHP_HTTP_HEADER_PARSER_CLEANUP)) {
- /* neither reqeust/response line nor 'header:' string, or injected new line or NUL etc. */
- php_http_header_parser_error(strspn(buffer->data, PHP_HTTP_HEADER_NAME_CHARS), buffer->data, buffer->used, eol_str TSRMLS_CC);
- return php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_FAILURE);
- } else {
- /* keep feeding */
- return php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_KEY);
- }
- break;
- }
-
- case PHP_HTTP_HEADER_PARSER_STATE_VALUE: {
- const char *eol_str;
- int eol_len;
-
-#define SET_ADD_VAL(slen, eol_len) \
- do { \
- const char *ptr = buffer->data; \
- size_t len = slen; \
- \
- while (len > 0 && PHP_HTTP_IS_CTYPE(space, *ptr)) { \
- ++ptr; \
- --len; \
- } \
- while (len > 0 && PHP_HTTP_IS_CTYPE(space, ptr[len - 1])) { \
- --len; \
- } \
- \
- if (len > 0) { \
- if (parser->_val.str) { \
- parser->_val.str = erealloc(parser->_val.str, parser->_val.len + len + 2); \
- parser->_val.str[parser->_val.len++] = ' '; \
- memcpy(&parser->_val.str[parser->_val.len], ptr, len); \
- parser->_val.len += len; \
- parser->_val.str[parser->_val.len] = '\0'; \
- } else { \
- parser->_val.len = len; \
- parser->_val.str = estrndup(ptr, len); \
- } \
- } \
- php_http_buffer_cut(buffer, 0, slen + eol_len); \
- } while (0)
-
- if ((eol_str = php_http_locate_bin_eol(buffer->data, buffer->used, &eol_len))) {
- SET_ADD_VAL(eol_str - buffer->data, eol_len);
- php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_VALUE_EX);
- } else if (flags & PHP_HTTP_HEADER_PARSER_CLEANUP) {
- if (buffer->used) {
- SET_ADD_VAL(buffer->used, 0);
- }
- php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_HEADER_DONE);
- } else {
- return php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_VALUE);
- }
- break;
- }
-
- case PHP_HTTP_HEADER_PARSER_STATE_VALUE_EX:
- if (buffer->used && (*buffer->data == ' ' || *buffer->data == '\t')) {
- php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_VALUE);
- } else if (buffer->used || (flags & PHP_HTTP_HEADER_PARSER_CLEANUP)) {
- php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_HEADER_DONE);
- } else {
- /* keep feeding */
- return php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_VALUE_EX);
- }
- break;
-
- case PHP_HTTP_HEADER_PARSER_STATE_HEADER_DONE:
- if (parser->_key.str && parser->_val.str) {
- zval array, **exist;
- size_t valid_len = strlen(parser->_val.str);
-
- /* check for truncation */
- if (valid_len != parser->_val.len) {
- php_http_header_parser_error(valid_len, parser->_val.str, parser->_val.len, NULL TSRMLS_CC);
-
- PTR_SET(parser->_key.str, NULL);
- PTR_SET(parser->_val.str, NULL);
-
- return php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_FAILURE);
- }
-
- if (!headers && callback_func) {
- callback_func(callback_arg, &headers, NULL TSRMLS_CC);
- }
-
- INIT_PZVAL_ARRAY(&array, headers);
- php_http_pretty_key(parser->_key.str, parser->_key.len, 1, 1);
- if (SUCCESS == zend_symtable_find(headers, parser->_key.str, parser->_key.len + 1, (void *) &exist)) {
- convert_to_array(*exist);
- add_next_index_stringl(*exist, parser->_val.str, parser->_val.len, 0);
- } else {
- add_assoc_stringl_ex(&array, parser->_key.str, parser->_key.len + 1, parser->_val.str, parser->_val.len, 0);
- }
- parser->_val.str = NULL;
- }
-
- PTR_SET(parser->_key.str, NULL);
- PTR_SET(parser->_val.str, NULL);
-
- php_http_header_parser_state_push(parser, 1, PHP_HTTP_HEADER_PARSER_STATE_KEY);
- break;
-
- case PHP_HTTP_HEADER_PARSER_STATE_DONE:
- return PHP_HTTP_HEADER_PARSER_STATE_DONE;
- }
- }
-
- return php_http_header_parser_state_is(parser);
-}
-
-php_http_header_parser_state_t php_http_header_parser_parse_stream(php_http_header_parser_t *parser, php_http_buffer_t *buf, php_stream *s, unsigned flags, HashTable *headers, php_http_info_callback_t callback_func, void *callback_arg)
-{
- php_http_header_parser_state_t state = PHP_HTTP_HEADER_PARSER_STATE_START;
- TSRMLS_FETCH_FROM_CTX(parser->ts);
-
- if (!buf->data) {
- php_http_buffer_resize_ex(buf, 0x1000, 1, 0);
- }
- while (1) {
- size_t justread = 0;
-#if DBG_PARSER
- const char *states[] = {"START", "KEY", "VALUE", "VALUE_EX", "HEADER_DONE", "DONE"};
- fprintf(stderr, "#SHP: %s (f:%u)\n", states[state], flags);
-#endif
- /* resize if needed */
- if (buf->free < 0x1000) {
- php_http_buffer_resize_ex(buf, 0x1000, 1, 0);
- }
- switch (state) {
- case PHP_HTTP_HEADER_PARSER_STATE_FAILURE:
- case PHP_HTTP_HEADER_PARSER_STATE_DONE:
- return state;
-
- default:
- /* read line */
- php_stream_get_line(s, buf->data + buf->used, buf->free, &justread);
- /* if we fail reading a whole line, try a single char */
- if (!justread) {
- int c = php_stream_getc(s);
-
- if (c != EOF) {
- char s[1] = {c};
- justread = php_http_buffer_append(buf, s, 1);
- }
- }
- php_http_buffer_account(buf, justread);
- }
-
- if (justread) {
- state = php_http_header_parser_parse(parser, buf, flags, headers, callback_func, callback_arg);
- } else if (php_stream_eof(s)) {
- return php_http_header_parser_parse(parser, buf, flags | PHP_HTTP_HEADER_PARSER_CLEANUP, headers, callback_func, callback_arg);
- } else {
- return state;
- }
- }
-
- return PHP_HTTP_HEADER_PARSER_STATE_DONE;
-}
-
-zend_class_entry *php_http_header_parser_class_entry;
-static zend_object_handlers php_http_header_parser_object_handlers;
-
-zend_object_value php_http_header_parser_object_new(zend_class_entry *ce TSRMLS_DC)
-{
- return php_http_header_parser_object_new_ex(ce, NULL, NULL TSRMLS_CC);
-}
-
-zend_object_value php_http_header_parser_object_new_ex(zend_class_entry *ce, php_http_header_parser_t *parser, php_http_header_parser_object_t **ptr TSRMLS_DC)
-{
- php_http_header_parser_object_t *o;
-
- o = ecalloc(1, sizeof(php_http_header_parser_object_t));
- zend_object_std_init((zend_object *) o, ce TSRMLS_CC);
- object_properties_init((zend_object *) o, ce);
-
- if (ptr) {
- *ptr = o;
- }
-
- if (parser) {
- o->parser = parser;
- } else {
- o->parser = php_http_header_parser_init(NULL TSRMLS_CC);
- }
- o->buffer = php_http_buffer_new();
-
- o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_http_header_parser_object_free, NULL TSRMLS_CC);
- o->zv.handlers = &php_http_header_parser_object_handlers;
-
- return o->zv;
-}
-
-void php_http_header_parser_object_free(void *object TSRMLS_DC)
-{
- php_http_header_parser_object_t *o = (php_http_header_parser_object_t *) object;
-
- if (o->parser) {
- php_http_header_parser_free(&o->parser);
- }
- if (o->buffer) {
- php_http_buffer_free(&o->buffer);
- }
- zend_object_std_dtor((zend_object *) o TSRMLS_CC);
- efree(o);
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_HttpHeaderParser_getState, 0, 0, 0)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(HttpHeaderParser, getState)
-{
- php_http_header_parser_object_t *parser_obj = zend_object_store_get_object(getThis() TSRMLS_CC);
-
- zend_parse_parameters_none();
- /* always return the real state */
- RETVAL_LONG(php_http_header_parser_state_is(parser_obj->parser));
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_HttpHeaderParser_parse, 0, 0, 3)
- ZEND_ARG_INFO(0, data)
- ZEND_ARG_INFO(0, flags)
- ZEND_ARG_ARRAY_INFO(1, headers, 1)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(HttpHeaderParser, parse)
-{
- php_http_header_parser_object_t *parser_obj;
- zval *zmsg;
- char *data_str;
- int data_len;
- long flags;
-
- php_http_expect(SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "slz", &data_str, &data_len, &flags, &zmsg), invalid_arg, return);
-
- if (Z_TYPE_P(zmsg) != IS_ARRAY) {
- zval_dtor(zmsg);
- array_init(zmsg);
- }
- parser_obj = zend_object_store_get_object(getThis() TSRMLS_CC);
- php_http_buffer_append(parser_obj->buffer, data_str, data_len);
- RETVAL_LONG(php_http_header_parser_parse(parser_obj->parser, parser_obj->buffer, flags, Z_ARRVAL_P(zmsg), NULL, NULL));
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_HttpHeaderParser_stream, 0, 0, 3)
- ZEND_ARG_INFO(0, stream)
- ZEND_ARG_INFO(0, flags)
- ZEND_ARG_ARRAY_INFO(1, headers, 1)
-ZEND_END_ARG_INFO();
-static PHP_METHOD(HttpHeaderParser, stream)
-{
- php_http_header_parser_object_t *parser_obj;
- zend_error_handling zeh;
- zval *zmsg, *zstream;
- php_stream *s;
- long flags;
-
- php_http_expect(SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlz", &zstream, &flags, &zmsg), invalid_arg, return);
-
- zend_replace_error_handling(EH_THROW, php_http_exception_unexpected_val_class_entry, &zeh TSRMLS_CC);
- php_stream_from_zval(s, &zstream);
- zend_restore_error_handling(&zeh TSRMLS_CC);
-
- if (Z_TYPE_P(zmsg) != IS_ARRAY) {
- zval_dtor(zmsg);
- array_init(zmsg);
- }
- parser_obj = zend_object_store_get_object(getThis() TSRMLS_CC);
- RETVAL_LONG(php_http_header_parser_parse_stream(parser_obj->parser, parser_obj->buffer, s, flags, Z_ARRVAL_P(zmsg), NULL, NULL));
-}
-
-static zend_function_entry php_http_header_parser_methods[] = {
- PHP_ME(HttpHeaderParser, getState, ai_HttpHeaderParser_getState, ZEND_ACC_PUBLIC)
- PHP_ME(HttpHeaderParser, parse, ai_HttpHeaderParser_parse, ZEND_ACC_PUBLIC)
- PHP_ME(HttpHeaderParser, stream, ai_HttpHeaderParser_stream, ZEND_ACC_PUBLIC)
- {NULL, NULL, NULL}
-};
-
-PHP_MINIT_FUNCTION(http_header_parser)
-{
- zend_class_entry ce;
-
- INIT_NS_CLASS_ENTRY(ce, "http\\Header", "Parser", php_http_header_parser_methods);
- php_http_header_parser_class_entry = zend_register_internal_class(&ce TSRMLS_CC);
- memcpy(&php_http_header_parser_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
- php_http_header_parser_class_entry->create_object = php_http_header_parser_object_new;
- php_http_header_parser_object_handlers.clone_obj = NULL;
-
- zend_declare_class_constant_long(php_http_header_parser_class_entry, ZEND_STRL("CLEANUP"), PHP_HTTP_HEADER_PARSER_CLEANUP TSRMLS_CC);
-
- zend_declare_class_constant_long(php_http_header_parser_class_entry, ZEND_STRL("STATE_FAILURE"), PHP_HTTP_HEADER_PARSER_STATE_FAILURE TSRMLS_CC);
- zend_declare_class_constant_long(php_http_header_parser_class_entry, ZEND_STRL("STATE_START"), PHP_HTTP_HEADER_PARSER_STATE_START TSRMLS_CC);
- zend_declare_class_constant_long(php_http_header_parser_class_entry, ZEND_STRL("STATE_KEY"), PHP_HTTP_HEADER_PARSER_STATE_KEY TSRMLS_CC);
- zend_declare_class_constant_long(php_http_header_parser_class_entry, ZEND_STRL("STATE_VALUE"), PHP_HTTP_HEADER_PARSER_STATE_VALUE TSRMLS_CC);
- zend_declare_class_constant_long(php_http_header_parser_class_entry, ZEND_STRL("STATE_VALUE_EX"), PHP_HTTP_HEADER_PARSER_STATE_VALUE_EX TSRMLS_CC);
- zend_declare_class_constant_long(php_http_header_parser_class_entry, ZEND_STRL("STATE_HEADER_DONE"), PHP_HTTP_HEADER_PARSER_STATE_HEADER_DONE TSRMLS_CC);
- zend_declare_class_constant_long(php_http_header_parser_class_entry, ZEND_STRL("STATE_DONE"), PHP_HTTP_HEADER_PARSER_STATE_DONE TSRMLS_CC);
-
- return SUCCESS;
-}
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- * vim600: noet sw=4 ts=4 fdm=marker
- * vim<600: noet sw=4 ts=4
- */
-