| modification, are permitted provided that the conditions mentioned |
| in the accompanying LICENSE file are met. |
+--------------------------------------------------------------------+
- | Copyright (c) 2004-2011, Michael Wallner <mike@php.net> |
+ | 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_message_parser_state_spec {
php_http_message_parser_state_t state;
unsigned need_data:1;
{PHP_HTTP_MESSAGE_PARSER_STATE_DONE, 0}
};
-PHP_HTTP_API php_http_message_parser_t *php_http_message_parser_init(php_http_message_parser_t *parser TSRMLS_DC)
+#if DBG_PARSER
+const char *php_http_message_parser_state_name(php_http_message_parser_state_t state) {
+ const char *states[] = {"START", "HEADER", "HEADER_DONE", "BODY", "BODY_DUMB", "BODY_LENGTH", "BODY_CHUNK", "BODY_DONE", "DONE"};
+
+ if (state < 0 || state > (sizeof(states)/sizeof(char*))-1) {
+ return "FAILURE";
+ }
+ return states[state];
+}
+#endif
+
+php_http_message_parser_t *php_http_message_parser_init(php_http_message_parser_t *parser TSRMLS_DC)
{
if (!parser) {
parser = emalloc(sizeof(*parser));
TSRMLS_SET_CTX(parser->ts);
php_http_header_parser_init(&parser->header TSRMLS_CC);
- zend_stack_init(&parser->stack);
return parser;
}
-PHP_HTTP_API php_http_message_parser_state_t php_http_message_parser_state_push(php_http_message_parser_t *parser, unsigned argc, ...)
+php_http_message_parser_state_t php_http_message_parser_state_push(php_http_message_parser_t *parser, unsigned argc, ...)
{
+ php_http_message_parser_state_t state;
va_list va_args;
unsigned i;
- va_start(va_args, argc);
- php_http_message_parser_state_t state;
+ /* 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_message_parser_state_t);
- zend_stack_push(&parser->stack, &state, sizeof(state));
+ zend_ptr_stack_push(&parser->stack, (void *) state);
}
va_end(va_args);
return state;
}
-PHP_HTTP_API php_http_message_parser_state_t php_http_message_parser_state_is(php_http_message_parser_t *parser)
+php_http_message_parser_state_t php_http_message_parser_state_is(php_http_message_parser_t *parser)
{
- php_http_message_parser_state_t *state;
-
- if (SUCCESS == zend_stack_top(&parser->stack, (void *) &state)) {
- return *state;
+ if (parser->stack.top) {
+ return (php_http_message_parser_state_t) parser->stack.elements[parser->stack.top - 1];
}
return PHP_HTTP_MESSAGE_PARSER_STATE_START;
}
-PHP_HTTP_API php_http_message_parser_state_t php_http_message_parser_state_pop(php_http_message_parser_t *parser)
+php_http_message_parser_state_t php_http_message_parser_state_pop(php_http_message_parser_t *parser)
{
- php_http_message_parser_state_t state, *state_ptr;
- if (SUCCESS == zend_stack_top(&parser->stack, (void *) &state_ptr)) {
- state = *state_ptr;
- zend_stack_del_top(&parser->stack);
- return state;
+ if (parser->stack.top) {
+ return (php_http_message_parser_state_t) zend_ptr_stack_pop(&parser->stack);
}
return PHP_HTTP_MESSAGE_PARSER_STATE_START;
}
-PHP_HTTP_API void php_http_message_parser_dtor(php_http_message_parser_t *parser)
+void php_http_message_parser_dtor(php_http_message_parser_t *parser)
{
php_http_header_parser_dtor(&parser->header);
- zend_stack_destroy(&parser->stack);
+ zend_ptr_stack_destroy(&parser->stack);
if (parser->dechunk) {
php_http_encoding_stream_free(&parser->dechunk);
}
}
}
-PHP_HTTP_API void php_http_message_parser_free(php_http_message_parser_t **parser)
+void php_http_message_parser_free(php_http_message_parser_t **parser)
{
if (*parser) {
php_http_message_parser_dtor(*parser);
}
}
-PHP_HTTP_API php_http_message_parser_state_t php_http_message_parser_parse_stream(php_http_message_parser_t *parser, php_stream *s, php_http_message_t **message)
+php_http_message_parser_state_t php_http_message_parser_parse_stream(php_http_message_parser_t *parser, php_stream *s, unsigned flags, php_http_message_t **message)
{
php_http_buffer_t buf;
+ php_http_message_parser_state_t state = PHP_HTTP_MESSAGE_PARSER_STATE_START;
TSRMLS_FETCH_FROM_CTX(parser->ts);
php_http_buffer_init_ex(&buf, 0x1000, PHP_HTTP_BUFFER_INIT_PREALLOC);
while (!php_stream_eof(s)) {
size_t len = 0;
-
- switch (php_http_message_parser_state_is(parser)) {
+#if DBG_PARSER
+ fprintf(stderr, "#SP: %s (f:%u)\n", php_http_message_parser_state_name(state), flags);
+#endif
+ switch (state) {
case PHP_HTTP_MESSAGE_PARSER_STATE_START:
case PHP_HTTP_MESSAGE_PARSER_STATE_HEADER:
case PHP_HTTP_MESSAGE_PARSER_STATE_HEADER_DONE:
/* read line */
- php_stream_get_line(s, buf.data, buf.free, &len);
- buf.used += len;
- buf.free -= len;
+ php_stream_get_line(s, buf.data + buf.used, buf.free, &len);
+ php_http_buffer_account(&buf, len);
break;
case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DUMB:
/* read all */
- len = php_stream_read(s, buf.data, buf.free);
- buf.used += len;
- buf.free -= len;
+ php_http_buffer_account(&buf, php_stream_read(s, buf.data + buf.used, buf.free));
break;
case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH:
/* read body_length */
- len = php_stream_read(s, buf.data, MIN(buf.free, parser->body_length));
- buf.used += len;
- buf.free -= len;
+ php_http_buffer_account(&buf, php_stream_read(s, buf.data + buf.used, MIN(buf.free, parser->body_length)));
break;
case PHP_HTTP_MESSAGE_PARSER_STATE_BODY_CHUNKED:
/* duh, this is very naive */
if (len) {
- size_t read = php_stream_read(s, buf.data, MIN(len, buf.free));
+ size_t read = php_stream_read(s, buf.data + buf.used, MIN(len, buf.free));
- buf.used += read;
- buf.free -= read;
+ php_http_buffer_account(&buf, read);
len -= read;
} else {
+ php_http_buffer_resize(&buf, 24);
php_stream_get_line(s, buf.data, buf.free, &len);
- buf.used += len;
- buf.free -= len;
+ php_http_buffer_account(&buf, len);
- len = strtoul(buf.data - len, NULL, 16);
+ len = strtoul(buf.data + buf.used - len, NULL, 16);
}
break;
return php_http_message_parser_state_is(parser);
}
- php_http_message_parser_parse(parser, &buf, 0, message);
+ state = php_http_message_parser_parse(parser, &buf, flags, message);
}
php_http_buffer_dtor(&buf);
}
-PHP_HTTP_API php_http_message_parser_state_t php_http_message_parser_parse(php_http_message_parser_t *parser, php_http_buffer_t *buffer, unsigned flags, php_http_message_t **message)
+php_http_message_parser_state_t php_http_message_parser_parse(php_http_message_parser_t *parser, php_http_buffer_t *buffer, unsigned flags, php_http_message_t **message)
{
- TSRMLS_FETCH_FROM_CTX(parser->ts);
char *str = NULL;
size_t len = 0;
size_t cut = 0;
+ TSRMLS_FETCH_FROM_CTX(parser->ts);
while (buffer->used || !php_http_message_parser_states[php_http_message_parser_state_is(parser)].need_data) {
-#if 0
- const char *state[] = {"START", "HEADER", "HEADER_DONE", "BODY", "BODY_DUMB", "BODY_LENGTH", "BODY_CHUNK", "BODY_DONE", "DONE"};
- fprintf(stderr, "#MP: %s (%d)\n", php_http_message_parser_state_is(parser) < 0 ? "FAILURE" : state[php_http_message_parser_state_is(parser)], message && *message ? (*message)->type : -1);
+#if DBG_PARSER
+ fprintf(stderr, "#MP: %s (f: %u, t:%d, l:%zu)\n",
+ php_http_message_parser_state_name(php_http_message_parser_state_is(parser)),
+ flags,
+ message && *message ? (*message)->type : -1,
+ buffer->used
+ );
_dpf(0, buffer->data, buffer->used);
#endif
if (h_cl) {
char *stop;
- parser->body_length = strtoul(Z_STRVAL_PP(h_cl), &stop, 10);
+ if (Z_TYPE_PP(h_cl) == IS_STRING) {
+ parser->body_length = strtoul(Z_STRVAL_PP(h_cl), &stop, 10);
- if (stop != Z_STRVAL_PP(h_cl)) {
- php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH);
+ if (stop != Z_STRVAL_PP(h_cl)) {
+ php_http_message_parser_state_push(parser, 1, !parser->body_length?PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE:PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH);
+ break;
+ }
+ } else if (Z_TYPE_PP(h_cl) == IS_LONG) {
+ parser->body_length = Z_LVAL_PP(h_cl);
+ php_http_message_parser_state_push(parser, 1, !parser->body_length?PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE:PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH);
break;
}
}
if (end >= start && (!total || end < total)) {
parser->body_length = end + 1 - start;
- php_http_message_parser_state_push(parser, 1, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH);
+ php_http_message_parser_state_push(parser, 1, !parser->body_length?PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE:PHP_HTTP_MESSAGE_PARSER_STATE_BODY_LENGTH);
break;
}
}
len = dec_len;
}
- php_stream_write(php_http_message_body_stream(&(*message)->body), str, len);
+ php_stream_write(php_http_message_body_stream((*message)->body), str, len);
/* keep track */
MAKE_STD_ZVAL(zcl);
- ZVAL_LONG(zcl, php_http_message_body_size(&(*message)->body));
+ ZVAL_LONG(zcl, php_http_message_body_size((*message)->body));
zend_hash_update(&(*message)->hdrs, "Content-Length", sizeof("Content-Length"), &zcl, sizeof(zval *), NULL);
}
size_t dec_len;
if (SUCCESS != php_http_encoding_stream_update(parser->dechunk, buffer->data, buffer->used, &dec_str, &dec_len)) {
- return FAILURE;
+ return PHP_HTTP_MESSAGE_PARSER_STATE_FAILURE;
}
str = dec_str;
len = dec_len;
if (php_http_encoding_stream_done(parser->dechunk)) {
- cut = buffer->used - PHP_HTTP_BUFFER_LEN(parser->dechunk->ctx);
+ cut = buffer->used - PHP_HTTP_BUFFER(parser->dechunk->ctx)->used;
php_http_message_parser_state_push(parser, 2, PHP_HTTP_MESSAGE_PARSER_STATE_BODY_DONE, PHP_HTTP_MESSAGE_PARSER_STATE_BODY);
} else {
cut = buffer->used;
}
php_http_buffer_cut(buffer, 0, ptr - buffer->data);
+
+ if (!(flags & PHP_HTTP_MESSAGE_PARSER_GREEDY)) {
+ return PHP_HTTP_MESSAGE_PARSER_STATE_DONE;
+ }
break;
}
}
projects / m6w6 / ext-http / blobdiff