胡斌 / srs

转到一个项目
Toggle navigation Toggle navigation pinning
winlin
b2ae1aca 1 parent fba11228

copy http-parser-2.1 into srs http stack.

内嵌 并排对比
正在显示 7 个修改的文件 包含 2638 行增加 和 178 行删除
... ... @@ -439,42 +439,7 @@ fi
#####################################################################################
# check the cross build flag file, if flag changed, need to rebuild the st.
if [ $SRS_HTTP_CORE = YES ]; then
# ok, arm specified, if the flag filed does not exists, need to rebuild.
if [ $SRS_CROSS_BUILD = YES ]; then
if [[ -f ${SRS_OBJS}/_flag.st.hp.tmp && -f ${SRS_OBJS}/hp/http_parser.h && -f ${SRS_OBJS}/hp/libhttp_parser.a ]]; then
echo "http-parser-2.1 for arm is ok.";
else
echo "build http-parser-2.1 for arm";
(
rm -rf ${SRS_OBJS}/http-parser-2.1 && cd ${SRS_OBJS} && unzip -q ../3rdparty/http-parser-2.1.zip &&
cd http-parser-2.1 &&
patch -p0 < ../../3rdparty/patches/2.http.parser.patch &&
make CC=${SrsArmCC} AR=${SrsArmAR} package &&
cd .. && rm -rf hp && ln -sf http-parser-2.1 hp &&
cd .. && touch ${SRS_OBJS}/_flag.st.hp.tmp
)
fi
else
# cross build not specified, if exists flag, need to rebuild for no-arm platform.
if [[ ! -f ${SRS_OBJS}/_flag.st.hp.tmp && -f ${SRS_OBJS}/hp/http_parser.h && -f ${SRS_OBJS}/hp/libhttp_parser.a ]]; then
echo "http-parser-2.1 is ok.";
else
echo "build http-parser-2.1";
(
rm -rf ${SRS_OBJS}/http-parser-2.1 && cd ${SRS_OBJS} && unzip -q ../3rdparty/http-parser-2.1.zip &&
cd http-parser-2.1 &&
patch -p0 < ../../3rdparty/patches/2.http.parser.patch &&
make package &&
cd .. && rm -rf hp && ln -sf http-parser-2.1 hp &&
cd .. && rm -f ${SRS_OBJS}/_flag.st.hp.tmp
)
fi
fi
# check status
ret=$?; if [[ $ret -ne 0 ]]; then echo "build http-parser-2.1 failed, ret=$ret"; exit $ret; fi
if [[ ! -f ${SRS_OBJS}/hp/http_parser.h ]]; then echo "build http-parser-2.1 failed"; exit -1; fi
if [[ ! -f ${SRS_OBJS}/hp/libhttp_parser.a ]]; then echo "build http-parser-2.1 failed"; exit -1; fi
echo "http-parser is copied into srs_http_stack.*pp"
fi
#####################################################################################
... ...
... ... @@ -116,9 +116,6 @@ END
#
# st(state-threads) the basic network library for SRS.
LibSTRoot="${SRS_OBJS_DIR}/st"; LibSTfile="${LibSTRoot}/libst.a"
# hp(http-parser) the http request/url parser, for SRS to support HTTP callback.
LibHttpParserRoot=""; LibHttpParserfile=""
if [ $SRS_HTTP_CORE = YES ]; then LibHttpParserRoot="${SRS_OBJS_DIR}/hp"; LibHttpParserfile="${LibHttpParserRoot}/libhttp_parser.a"; fi
# openssl-1.0.1f, for the RTMP complex handshake.
LibSSLRoot="";LibSSLfile=""
if [ $SRS_SSL = YES ]; then if [ $SRS_USE_SYS_SSL = NO ]; then LibSSLRoot="${SRS_OBJS_DIR}/openssl/include"; LibSSLfile="${SRS_OBJS_DIR}/openssl/lib/libssl.a ${SRS_OBJS_DIR}/openssl/lib/libcrypto.a"; fi fi
... ... @@ -171,7 +168,7 @@ PROTOCOL_OBJS="${MODULE_OBJS[@]}"
if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
MODULE_ID="APP"
MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL")
ModuleLibIncs=(${LibSTRoot} ${LibHttpParserRoot} ${LibSSLRoot} ${SRS_OBJS_DIR})
ModuleLibIncs=(${LibSTRoot} ${LibSSLRoot} ${SRS_OBJS_DIR})
MODULE_FILES=("srs_app_server" "srs_app_conn" "srs_app_rtmp_conn" "srs_app_source"
"srs_app_refer" "srs_app_hls" "srs_app_forward" "srs_app_encoder" "srs_app_http_stream"
"srs_app_thread" "srs_app_bandwidth" "srs_app_st" "srs_app_log" "srs_app_config"
... ... @@ -204,7 +201,7 @@ LIBS_OBJS="${MODULE_OBJS[@]}"
if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
MODULE_ID="MAIN"
MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "APP")
ModuleLibIncs=(${LibSTRoot} ${SRS_OBJS_DIR} ${LibGperfRoot} ${LibHttpParserRoot} ${LibSSLRoot})
ModuleLibIncs=(${LibSTRoot} ${SRS_OBJS_DIR} ${LibGperfRoot} ${LibSSLRoot})
MODULE_FILES=("srs_main_server" "srs_main_ingest_hls")
# add each modules for main
for SRS_MODULE in ${SRS_MODULES[*]}; do
... ... @@ -230,7 +227,7 @@ if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
done
#
# all depends libraries
ModuleLibFiles=(${LibSTfile} ${LibHttpParserfile} ${LibSSLfile} ${LibGperfFile})
ModuleLibFiles=(${LibSTfile} ${LibSSLfile} ${LibGperfFile})
# all depends objects
MODULE_OBJS="${CORE_OBJS[@]} ${KERNEL_OBJS[@]} ${PROTOCOL_OBJS[@]} ${APP_OBJS[@]} ${MAIN_OBJS[@]}"
LINK_OPTIONS="${SrsLinkOptions}${SrsGprofLink}${SrsGperfLink}"
... ... @@ -260,7 +257,7 @@ if [ $SRS_UTEST = YES ]; then
"srs_utest_kernel" "srs_utest_core" "srs_utest_config"
"srs_utest_reload")
ModuleLibIncs=(${SRS_OBJS_DIR} ${LibSTRoot} ${LibSSLRoot})
ModuleLibFiles=(${LibSTfile} ${LibHttpParserfile} ${LibSSLfile})
ModuleLibFiles=(${LibSTfile} ${LibSSLfile})
MODULE_DEPENDS=("CORE" "KERNEL" "PROTOCOL" "APP")
MODULE_OBJS="${CORE_OBJS[@]} ${KERNEL_OBJS[@]} ${PROTOCOL_OBJS[@]} ${APP_OBJS[@]}"
LINK_OPTIONS="-lpthread ${SrsLinkOptions}" MODULE_DIR="src/utest" APP_NAME="srs_utest" . auto/utest.sh
... ...
... ... @@ -1063,100 +1063,6 @@ int SrsHttpParser::on_body(http_parser* parser, const char* at, size_t length)
return 0;
}
SrsHttpUri::SrsHttpUri()
{
port = SRS_DEFAULT_HTTP_PORT;
}
SrsHttpUri::~SrsHttpUri()
{
}
int SrsHttpUri::initialize(string _url)
{
int ret = ERROR_SUCCESS;
url = _url;
const char* purl = url.c_str();
http_parser_url hp_u;
if((ret = http_parser_parse_url(purl, url.length(), 0, &hp_u)) != 0){
int code = ret;
ret = ERROR_HTTP_PARSE_URI;
srs_error("parse url %s failed, code=%d, ret=%d", purl, code, ret);
return ret;
}
std::string field = get_uri_field(url, &hp_u, UF_SCHEMA);
if(!field.empty()){
schema = field;
}
host = get_uri_field(url, &hp_u, UF_HOST);
field = get_uri_field(url, &hp_u, UF_PORT);
if(!field.empty()){
port = atoi(field.c_str());
}
path = get_uri_field(url, &hp_u, UF_PATH);
srs_info("parse url %s success", purl);
query = get_uri_field(url, &hp_u, UF_QUERY);
srs_info("parse query %s success", query.c_str());
return ret;
}
string SrsHttpUri::get_url()
{
return url;
}
string SrsHttpUri::get_schema()
{
return schema;
}
string SrsHttpUri::get_host()
{
return host;
}
int SrsHttpUri::get_port()
{
return port;
}
string SrsHttpUri::get_path()
{
return path;
}
string SrsHttpUri::get_query()
{
return query;
}
string SrsHttpUri::get_uri_field(string uri, http_parser_url* hp_u, http_parser_url_fields field)
{
if((hp_u->field_set & (1 << field)) == 0){
return "";
}
srs_verbose("uri field matched, off=%d, len=%d, value=%.*s",
hp_u->field_data[field].off,
hp_u->field_data[field].len,
hp_u->field_data[field].len,
uri.c_str() + hp_u->field_data[field].off);
int offset = hp_u->field_data[field].off;
int len = hp_u->field_data[field].len;
return uri.substr(offset, len);
}
SrsHttpConn::SrsHttpConn(IConnectionManager* cm, st_netfd_t fd, ISrsHttpServeMux* m)
: SrsConnection(cm, fd)
{
... ...
... ... @@ -31,10 +31,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include <srs_core.hpp>
#ifdef SRS_AUTO_HTTP_CORE
#include <http_parser.h>
#endif
#ifdef SRS_AUTO_HTTP_CORE
#include <map>
#include <string>
... ... @@ -348,41 +344,6 @@ private:
static int on_body(http_parser* parser, const char* at, size_t length);
};
/**
* used to resolve the http uri.
*/
class SrsHttpUri
{
private:
std::string url;
std::string schema;
std::string host;
int port;
std::string path;
std::string query;
public:
SrsHttpUri();
virtual ~SrsHttpUri();
public:
/**
* initialize the http uri.
*/
virtual int initialize(std::string _url);
public:
virtual std::string get_url();
virtual std::string get_schema();
virtual std::string get_host();
virtual int get_port();
virtual std::string get_path();
virtual std::string get_query();
private:
/**
* get the parsed url field.
* @return return empty string if not set.
*/
virtual std::string get_uri_field(std::string uri, http_parser_url* hp_u, http_parser_url_fields field);
};
class SrsHttpConn : public SrsConnection
{
private:
... ...
... ... @@ -33,8 +33,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifdef SRS_AUTO_HTTP_CALLBACK
#include <http_parser.h>
class SrsHttpUri;
class SrsStSocket;
class SrsRequest;
... ...
... ... @@ -778,3 +778,2296 @@ char* ISrsHttpMessage::http_ts_send_buffer()
#endif
/* Based on src/http/ngx_http_parse.c from NGINX copyright Igor Sysoev
*
* Additional changes are licensed under the same terms as NGINX and
* copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
//#include "http_parser.h"
#include <assert.h>
#include <stddef.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#ifndef ULLONG_MAX
# define ULLONG_MAX ((uint64_t) -1) /* 2^64-1 */
#endif
#ifndef MIN
# define MIN(a,b) ((a) < (b) ? (a) : (b))
#endif
#ifndef ARRAY_SIZE
# define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
#endif
#ifndef BIT_AT
# define BIT_AT(a, i) \
(!!((unsigned int) (a)[(unsigned int) (i) >> 3] & \
(1 << ((unsigned int) (i) & 7))))
#endif
#ifndef ELEM_AT
# define ELEM_AT(a, i, v) ((unsigned int) (i) < ARRAY_SIZE(a) ? (a)[(i)] : (v))
#endif
#define SET_ERRNO(e) \
do { \
parser->http_errno = (e); \
} while(0)
/* Run the notify callback FOR, returning ER if it fails */
#define CALLBACK_NOTIFY_(FOR, ER) \
do { \
assert(HTTP_PARSER_ERRNO(parser) == HPE_OK); \
\
if (settings->on_##FOR) { \
if (0 != settings->on_##FOR(parser)) { \
SET_ERRNO(HPE_CB_##FOR); \
} \
\
/* We either errored above or got paused; get out */ \
if (HTTP_PARSER_ERRNO(parser) != HPE_OK) { \
return (ER); \
} \
} \
} while (0)
/* Run the notify callback FOR and consume the current byte */
#define CALLBACK_NOTIFY(FOR) CALLBACK_NOTIFY_(FOR, p - data + 1)
/* Run the notify callback FOR and don't consume the current byte */
#define CALLBACK_NOTIFY_NOADVANCE(FOR) CALLBACK_NOTIFY_(FOR, p - data)
/* Run data callback FOR with LEN bytes, returning ER if it fails */
#define CALLBACK_DATA_(FOR, LEN, ER) \
do { \
assert(HTTP_PARSER_ERRNO(parser) == HPE_OK); \
\
if (FOR##_mark) { \
if (settings->on_##FOR) { \
if (0 != settings->on_##FOR(parser, FOR##_mark, (LEN))) { \
SET_ERRNO(HPE_CB_##FOR); \
} \
\
/* We either errored above or got paused; get out */ \
if (HTTP_PARSER_ERRNO(parser) != HPE_OK) { \
return (ER); \
} \
} \
FOR##_mark = NULL; \
} \
} while (0)
/* Run the data callback FOR and consume the current byte */
#define CALLBACK_DATA(FOR) \
CALLBACK_DATA_(FOR, p - FOR##_mark, p - data + 1)
/* Run the data callback FOR and don't consume the current byte */
#define CALLBACK_DATA_NOADVANCE(FOR) \
CALLBACK_DATA_(FOR, p - FOR##_mark, p - data)
/* Set the mark FOR; non-destructive if mark is already set */
#define MARK(FOR) \
do { \
if (!FOR##_mark) { \
FOR##_mark = p; \
} \
} while (0)
#define PROXY_CONNECTION "proxy-connection"
#define CONNECTION "connection"
#define CONTENT_LENGTH "content-length"
#define TRANSFER_ENCODING "transfer-encoding"
#define UPGRADE "upgrade"
#define CHUNKED "chunked"
#define KEEP_ALIVE "keep-alive"
#define CLOSE "close"
static const char *method_strings[] =
{
#define XX(num, name, string) #string,
HTTP_METHOD_MAP(XX)
#undef XX
};
/* Tokens as defined by rfc 2616. Also lowercases them.
* token = 1*<any CHAR except CTLs or separators>
* separators = "(" | ")" | "<" | ">" | "@"
* | "," | ";" | ":" | "\" | <">
* | "/" | "[" | "]" | "?" | "="
* | "{" | "}" | SP | HT
*/
static const char tokens[256] = {
/* 0 nul 1 soh 2 stx 3 etx 4 eot 5 enq 6 ack 7 bel */
0, 0, 0, 0, 0, 0, 0, 0,
/* 8 bs 9 ht 10 nl 11 vt 12 np 13 cr 14 so 15 si */
0, 0, 0, 0, 0, 0, 0, 0,
/* 16 dle 17 dc1 18 dc2 19 dc3 20 dc4 21 nak 22 syn 23 etb */
0, 0, 0, 0, 0, 0, 0, 0,
/* 24 can 25 em 26 sub 27 esc 28 fs 29 gs 30 rs 31 us */
0, 0, 0, 0, 0, 0, 0, 0,
/* 32 sp 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' */
0, '!', 0, '#', '$', '%', '&', '\'',
/* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */
0, 0, '*', '+', 0, '-', '.', 0,
/* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */
'0', '1', '2', '3', '4', '5', '6', '7',
/* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */
'8', '9', 0, 0, 0, 0, 0, 0,
/* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */
0, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
/* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */
'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
/* 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W */
'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
/* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */
'x', 'y', 'z', 0, 0, 0, '^', '_',
/* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */
'`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
/* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */
'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
/* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */
'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
/* 120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 del */
'x', 'y', 'z', 0, '|', 0, '~', 0 };
static const int8_t unhex[256] =
{-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,-1,-1,-1,-1,-1,-1
,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
,-1,10,11,12,13,14,15,-1,-1,-1,-1,-1,-1,-1,-1,-1
,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
};
#if HTTP_PARSER_STRICT
# define T(v) 0
#else
# define T(v) v
#endif
static const uint8_t normal_url_char[32] = {
/* 0 nul 1 soh 2 stx 3 etx 4 eot 5 enq 6 ack 7 bel */
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
/* 8 bs 9 ht 10 nl 11 vt 12 np 13 cr 14 so 15 si */
0 | T(2) | 0 | 0 | T(16) | 0 | 0 | 0,
/* 16 dle 17 dc1 18 dc2 19 dc3 20 dc4 21 nak 22 syn 23 etb */
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
/* 24 can 25 em 26 sub 27 esc 28 fs 29 gs 30 rs 31 us */
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,
/* 32 sp 33 ! 34 " 35 # 36 $ 37 % 38 & 39 ' */
0 | 2 | 4 | 0 | 16 | 32 | 64 | 128,
/* 40 ( 41 ) 42 * 43 + 44 , 45 - 46 . 47 / */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 48 0 49 1 50 2 51 3 52 4 53 5 54 6 55 7 */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 56 8 57 9 58 : 59 ; 60 < 61 = 62 > 63 ? */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 0,
/* 64 @ 65 A 66 B 67 C 68 D 69 E 70 F 71 G */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 72 H 73 I 74 J 75 K 76 L 77 M 78 N 79 O */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 80 P 81 Q 82 R 83 S 84 T 85 U 86 V 87 W */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 88 X 89 Y 90 Z 91 [ 92 \ 93 ] 94 ^ 95 _ */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 96 ` 97 a 98 b 99 c 100 d 101 e 102 f 103 g */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 104 h 105 i 106 j 107 k 108 l 109 m 110 n 111 o */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 112 p 113 q 114 r 115 s 116 t 117 u 118 v 119 w */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 128,
/* 120 x 121 y 122 z 123 { 124 | 125 } 126 ~ 127 del */
1 | 2 | 4 | 8 | 16 | 32 | 64 | 0, };
#undef T
enum state
{ s_dead = 1 /* important that this is > 0 */
, s_start_req_or_res
, s_res_or_resp_H
, s_start_res
, s_res_H
, s_res_HT
, s_res_HTT
, s_res_HTTP
, s_res_first_http_major
, s_res_http_major
, s_res_first_http_minor
, s_res_http_minor
, s_res_first_status_code
, s_res_status_code
, s_res_status
, s_res_line_almost_done
, s_start_req
, s_req_method
, s_req_spaces_before_url
, s_req_schema
, s_req_schema_slash
, s_req_schema_slash_slash
, s_req_server_start
, s_req_server
, s_req_server_with_at
, s_req_path
, s_req_query_string_start
, s_req_query_string
, s_req_fragment_start
, s_req_fragment
, s_req_http_start
, s_req_http_H
, s_req_http_HT
, s_req_http_HTT
, s_req_http_HTTP
, s_req_first_http_major
, s_req_http_major
, s_req_first_http_minor
, s_req_http_minor
, s_req_line_almost_done
, s_header_field_start
, s_header_field
, s_header_value_start
, s_header_value
, s_header_value_lws
, s_header_almost_done
, s_chunk_size_start
, s_chunk_size
, s_chunk_parameters
, s_chunk_size_almost_done
, s_headers_almost_done
, s_headers_done
/* Important: 's_headers_done' must be the last 'header' state. All
* states beyond this must be 'body' states. It is used for overflow
* checking. See the PARSING_HEADER() macro.
*/
, s_chunk_data
, s_chunk_data_almost_done
, s_chunk_data_done
, s_body_identity
, s_body_identity_eof
, s_message_done
};
#define PARSING_HEADER(state) (state <= s_headers_done)
enum header_states
{ h_general = 0
, h_C
, h_CO
, h_CON
, h_matching_connection
, h_matching_proxy_connection
, h_matching_content_length
, h_matching_transfer_encoding
, h_matching_upgrade
, h_connection
, h_content_length
, h_transfer_encoding
, h_upgrade
, h_matching_transfer_encoding_chunked
, h_matching_connection_keep_alive
, h_matching_connection_close
, h_transfer_encoding_chunked
, h_connection_keep_alive
, h_connection_close
};
enum http_host_state
{
s_http_host_dead = 1
, s_http_userinfo_start
, s_http_userinfo
, s_http_host_start
, s_http_host_v6_start
, s_http_host
, s_http_host_v6
, s_http_host_v6_end
, s_http_host_port_start
, s_http_host_port
};
/* Macros for character classes; depends on strict-mode */
#define CR '\r'
#define LF '\n'
#define LOWER(c) (unsigned char)(c | 0x20)
#define IS_ALPHA(c) (LOWER(c) >= 'a' && LOWER(c) <= 'z')
#define IS_NUM(c) ((c) >= '0' && (c) <= '9')
#define IS_ALPHANUM(c) (IS_ALPHA(c) || IS_NUM(c))
#define IS_HEX(c) (IS_NUM(c) || (LOWER(c) >= 'a' && LOWER(c) <= 'f'))
#define IS_MARK(c) ((c) == '-' || (c) == '_' || (c) == '.' || \
(c) == '!' || (c) == '~' || (c) == '*' || (c) == '\'' || (c) == '(' || \
(c) == ')')
#define IS_USERINFO_CHAR(c) (IS_ALPHANUM(c) || IS_MARK(c) || (c) == '%' || \
(c) == ';' || (c) == ':' || (c) == '&' || (c) == '=' || (c) == '+' || \
(c) == '$' || (c) == ',')
#if HTTP_PARSER_STRICT
#define TOKEN(c) (tokens[(unsigned char)c])
#define IS_URL_CHAR(c) (BIT_AT(normal_url_char, (unsigned char)c))
#define IS_HOST_CHAR(c) (IS_ALPHANUM(c) || (c) == '.' || (c) == '-')
#else
#define TOKEN(c) ((c == ' ') ? ' ' : tokens[(unsigned char)c])
#define IS_URL_CHAR(c) \
(BIT_AT(normal_url_char, (unsigned char)c) || ((c) & 0x80))
#define IS_HOST_CHAR(c) \
(IS_ALPHANUM(c) || (c) == '.' || (c) == '-' || (c) == '_')
#endif
#define start_state (parser->type == HTTP_REQUEST ? s_start_req : s_start_res)
#if HTTP_PARSER_STRICT
# define STRICT_CHECK(cond) \
do { \
if (cond) { \
SET_ERRNO(HPE_STRICT); \
goto error; \
} \
} while (0)
# define NEW_MESSAGE() (http_should_keep_alive(parser) ? start_state : s_dead)
#else
# define STRICT_CHECK(cond)
# define NEW_MESSAGE() start_state
#endif
/* Map errno values to strings for human-readable output */
#define HTTP_STRERROR_GEN(n, s) { "HPE_" #n, s },
static struct {
const char *name;
const char *description;
} http_strerror_tab[] = {
HTTP_ERRNO_MAP(HTTP_STRERROR_GEN)
};
#undef HTTP_STRERROR_GEN
int http_message_needs_eof(const http_parser *parser);
/* Our URL parser.
*
* This is designed to be shared by http_parser_execute() for URL validation,
* hence it has a state transition + byte-for-byte interface. In addition, it
* is meant to be embedded in http_parser_parse_url(), which does the dirty
* work of turning state transitions URL components for its API.
*
* This function should only be invoked with non-space characters. It is
* assumed that the caller cares about (and can detect) the transition between
* URL and non-URL states by looking for these.
*/
static enum state
parse_url_char(enum state s, const char ch)
{
if (ch == ' ' || ch == '\r' || ch == '\n') {
return s_dead;
}
#if HTTP_PARSER_STRICT
if (ch == '\t' || ch == '\f') {
return s_dead;
}
#endif
switch (s) {
case s_req_spaces_before_url:
/* Proxied requests are followed by scheme of an absolute URI (alpha).
* All methods except CONNECT are followed by '/' or '*'.
*/
if (ch == '/' || ch == '*') {
return s_req_path;
}
if (IS_ALPHA(ch)) {
return s_req_schema;
}
break;
case s_req_schema:
if (IS_ALPHA(ch)) {
return s;
}
if (ch == ':') {
return s_req_schema_slash;
}
break;
case s_req_schema_slash:
if (ch == '/') {
return s_req_schema_slash_slash;
}
break;
case s_req_schema_slash_slash:
if (ch == '/') {
return s_req_server_start;
}
break;
case s_req_server_with_at:
if (ch == '@') {
return s_dead;
}
/* FALLTHROUGH */
case s_req_server_start:
case s_req_server:
if (ch == '/') {
return s_req_path;
}
if (ch == '?') {
return s_req_query_string_start;
}
if (ch == '@') {
return s_req_server_with_at;
}
if (IS_USERINFO_CHAR(ch) || ch == '[' || ch == ']') {
return s_req_server;
}
break;
case s_req_path:
if (IS_URL_CHAR(ch)) {
return s;
}
switch (ch) {
case '?':
return s_req_query_string_start;
case '#':
return s_req_fragment_start;
}
break;
case s_req_query_string_start:
case s_req_query_string:
if (IS_URL_CHAR(ch)) {
return s_req_query_string;
}
switch (ch) {
case '?':
/* allow extra '?' in query string */
return s_req_query_string;
case '#':
return s_req_fragment_start;
}
break;
case s_req_fragment_start:
if (IS_URL_CHAR(ch)) {
return s_req_fragment;
}
switch (ch) {
case '?':
return s_req_fragment;
case '#':
return s;
}
break;
case s_req_fragment:
if (IS_URL_CHAR(ch)) {
return s;
}
switch (ch) {
case '?':
case '#':
return s;
}
break;
default:
break;
}
/* We should never fall out of the switch above unless there's an error */
return s_dead;
}
size_t http_parser_execute (http_parser *parser,
const http_parser_settings *settings,
const char *data,
size_t len)
{
char c, ch;
int8_t unhex_val;
const char *p = data;
const char *header_field_mark = 0;
const char *header_value_mark = 0;
const char *url_mark = 0;
const char *body_mark = 0;
/* We're in an error state. Don't bother doing anything. */
if (HTTP_PARSER_ERRNO(parser) != HPE_OK) {
return 0;
}
if (len == 0) {
switch (parser->state) {
case s_body_identity_eof:
/* Use of CALLBACK_NOTIFY() here would erroneously return 1 byte read if
* we got paused.
*/
CALLBACK_NOTIFY_NOADVANCE(message_complete);
return 0;
case s_dead:
case s_start_req_or_res:
case s_start_res:
case s_start_req:
return 0;
default:
SET_ERRNO(HPE_INVALID_EOF_STATE);
return 1;
}
}
if (parser->state == s_header_field)
header_field_mark = data;
if (parser->state == s_header_value)
header_value_mark = data;
switch (parser->state) {
case s_req_path:
case s_req_schema:
case s_req_schema_slash:
case s_req_schema_slash_slash:
case s_req_server_start:
case s_req_server:
case s_req_server_with_at:
case s_req_query_string_start:
case s_req_query_string:
case s_req_fragment_start:
case s_req_fragment:
url_mark = data;
break;
}
for (p=data; p != data + len; p++) {
ch = *p;
if (PARSING_HEADER(parser->state)) {
++parser->nread;
/* Buffer overflow attack */
if (parser->nread > HTTP_MAX_HEADER_SIZE) {
SET_ERRNO(HPE_HEADER_OVERFLOW);
goto error;
}
}
reexecute_byte:
switch (parser->state) {
case s_dead:
/* this state is used after a 'Connection: close' message
* the parser will error out if it reads another message
*/
if (ch == CR || ch == LF)
break;
SET_ERRNO(HPE_CLOSED_CONNECTION);
goto error;
case s_start_req_or_res:
{
if (ch == CR || ch == LF)
break;
parser->flags = 0;
parser->content_length = ULLONG_MAX;
if (ch == 'H') {
parser->state = s_res_or_resp_H;
CALLBACK_NOTIFY(message_begin);
} else {
parser->type = HTTP_REQUEST;
parser->state = s_start_req;
goto reexecute_byte;
}
break;
}
case s_res_or_resp_H:
if (ch == 'T') {
parser->type = HTTP_RESPONSE;
parser->state = s_res_HT;
} else {
if (ch != 'E') {
SET_ERRNO(HPE_INVALID_CONSTANT);
goto error;
}
parser->type = HTTP_REQUEST;
parser->method = HTTP_HEAD;
parser->index = 2;
parser->state = s_req_method;
}
break;
case s_start_res:
{
parser->flags = 0;
parser->content_length = ULLONG_MAX;
switch (ch) {
case 'H':
parser->state = s_res_H;
break;
case CR:
case LF:
break;
default:
SET_ERRNO(HPE_INVALID_CONSTANT);
goto error;
}
CALLBACK_NOTIFY(message_begin);
break;
}
case s_res_H:
STRICT_CHECK(ch != 'T');
parser->state = s_res_HT;
break;
case s_res_HT:
STRICT_CHECK(ch != 'T');
parser->state = s_res_HTT;
break;
case s_res_HTT:
STRICT_CHECK(ch != 'P');
parser->state = s_res_HTTP;
break;
case s_res_HTTP:
STRICT_CHECK(ch != '/');
parser->state = s_res_first_http_major;
break;
case s_res_first_http_major:
if (ch < '0' || ch > '9') {
SET_ERRNO(HPE_INVALID_VERSION);
goto error;
}
parser->http_major = ch - '0';
parser->state = s_res_http_major;
break;
/* major HTTP version or dot */
case s_res_http_major:
{
if (ch == '.') {
parser->state = s_res_first_http_minor;
break;
}
if (!IS_NUM(ch)) {
SET_ERRNO(HPE_INVALID_VERSION);
goto error;
}
parser->http_major *= 10;
parser->http_major += ch - '0';
if (parser->http_major > 999) {
SET_ERRNO(HPE_INVALID_VERSION);
goto error;
}
break;
}
/* first digit of minor HTTP version */
case s_res_first_http_minor:
if (!IS_NUM(ch)) {
SET_ERRNO(HPE_INVALID_VERSION);
goto error;
}
parser->http_minor = ch - '0';
parser->state = s_res_http_minor;
break;
/* minor HTTP version or end of request line */
case s_res_http_minor:
{
if (ch == ' ') {
parser->state = s_res_first_status_code;
break;
}
if (!IS_NUM(ch)) {
SET_ERRNO(HPE_INVALID_VERSION);
goto error;
}
parser->http_minor *= 10;
parser->http_minor += ch - '0';
if (parser->http_minor > 999) {
SET_ERRNO(HPE_INVALID_VERSION);
goto error;
}
break;
}
case s_res_first_status_code:
{
if (!IS_NUM(ch)) {
if (ch == ' ') {
break;
}
SET_ERRNO(HPE_INVALID_STATUS);
goto error;
}
parser->status_code = ch - '0';
parser->state = s_res_status_code;
break;
}
case s_res_status_code:
{
if (!IS_NUM(ch)) {
switch (ch) {
case ' ':
parser->state = s_res_status;
break;
case CR:
parser->state = s_res_line_almost_done;
break;
case LF:
parser->state = s_header_field_start;
break;
default:
SET_ERRNO(HPE_INVALID_STATUS);
goto error;
}
break;
}
parser->status_code *= 10;
parser->status_code += ch - '0';
if (parser->status_code > 999) {
SET_ERRNO(HPE_INVALID_STATUS);
goto error;
}
break;
}
case s_res_status:
/* the human readable status. e.g. "NOT FOUND"
* we are not humans so just ignore this */
if (ch == CR) {
parser->state = s_res_line_almost_done;
break;
}
if (ch == LF) {
parser->state = s_header_field_start;
break;
}
break;
case s_res_line_almost_done:
STRICT_CHECK(ch != LF);
parser->state = s_header_field_start;
CALLBACK_NOTIFY(status_complete);
break;
case s_start_req:
{
if (ch == CR || ch == LF)
break;
parser->flags = 0;
parser->content_length = ULLONG_MAX;
if (!IS_ALPHA(ch)) {
SET_ERRNO(HPE_INVALID_METHOD);
goto error;
}
parser->method = (enum http_method) 0;
parser->index = 1;
switch (ch) {
case 'C': parser->method = HTTP_CONNECT; /* or COPY, CHECKOUT */ break;
case 'D': parser->method = HTTP_DELETE; break;
case 'G': parser->method = HTTP_GET; break;
case 'H': parser->method = HTTP_HEAD; break;
case 'L': parser->method = HTTP_LOCK; break;
case 'M': parser->method = HTTP_MKCOL; /* or MOVE, MKACTIVITY, MERGE, M-SEARCH */ break;
case 'N': parser->method = HTTP_NOTIFY; break;
case 'O': parser->method = HTTP_OPTIONS; break;
case 'P': parser->method = HTTP_POST;
/* or PROPFIND|PROPPATCH|PUT|PATCH|PURGE */
break;
case 'R': parser->method = HTTP_REPORT; break;
case 'S': parser->method = HTTP_SUBSCRIBE; /* or SEARCH */ break;
case 'T': parser->method = HTTP_TRACE; break;
case 'U': parser->method = HTTP_UNLOCK; /* or UNSUBSCRIBE */ break;
default:
SET_ERRNO(HPE_INVALID_METHOD);
goto error;
}
parser->state = s_req_method;
CALLBACK_NOTIFY(message_begin);
break;
}
case s_req_method:
{
const char *matcher;
if (ch == '\0') {
SET_ERRNO(HPE_INVALID_METHOD);
goto error;
}
matcher = method_strings[parser->method];
if (ch == ' ' && matcher[parser->index] == '\0') {
parser->state = s_req_spaces_before_url;
} else if (ch == matcher[parser->index]) {
; /* nada */
} else if (parser->method == HTTP_CONNECT) {
if (parser->index == 1 && ch == 'H') {
parser->method = HTTP_CHECKOUT;
} else if (parser->index == 2 && ch == 'P') {
parser->method = HTTP_COPY;
} else {
goto error;
}
} else if (parser->method == HTTP_MKCOL) {
if (parser->index == 1 && ch == 'O') {
parser->method = HTTP_MOVE;
} else if (parser->index == 1 && ch == 'E') {
parser->method = HTTP_MERGE;
} else if (parser->index == 1 && ch == '-') {
parser->method = HTTP_MSEARCH;
} else if (parser->index == 2 && ch == 'A') {
parser->method = HTTP_MKACTIVITY;
} else {
goto error;
}
} else if (parser->method == HTTP_SUBSCRIBE) {
if (parser->index == 1 && ch == 'E') {
parser->method = HTTP_SEARCH;
} else {
goto error;
}
} else if (parser->index == 1 && parser->method == HTTP_POST) {
if (ch == 'R') {
parser->method = HTTP_PROPFIND; /* or HTTP_PROPPATCH */
} else if (ch == 'U') {
parser->method = HTTP_PUT; /* or HTTP_PURGE */
} else if (ch == 'A') {
parser->method = HTTP_PATCH;
} else {
goto error;
}
} else if (parser->index == 2) {
if (parser->method == HTTP_PUT) {
if (ch == 'R') parser->method = HTTP_PURGE;
} else if (parser->method == HTTP_UNLOCK) {
if (ch == 'S') parser->method = HTTP_UNSUBSCRIBE;
}
} else if (parser->index == 4 && parser->method == HTTP_PROPFIND && ch == 'P') {
parser->method = HTTP_PROPPATCH;
} else {
SET_ERRNO(HPE_INVALID_METHOD);
goto error;
}
++parser->index;
break;
}
case s_req_spaces_before_url:
{
if (ch == ' ') break;
MARK(url);
if (parser->method == HTTP_CONNECT) {
parser->state = s_req_server_start;
}
parser->state = parse_url_char((enum state)parser->state, ch);
if (parser->state == s_dead) {
SET_ERRNO(HPE_INVALID_URL);
goto error;
}
break;
}
case s_req_schema:
case s_req_schema_slash:
case s_req_schema_slash_slash:
case s_req_server_start:
{
switch (ch) {
/* No whitespace allowed here */
case ' ':
case CR:
case LF:
SET_ERRNO(HPE_INVALID_URL);
goto error;
default:
parser->state = parse_url_char((enum state)parser->state, ch);
if (parser->state == s_dead) {
SET_ERRNO(HPE_INVALID_URL);
goto error;
}
}
break;
}
case s_req_server:
case s_req_server_with_at:
case s_req_path:
case s_req_query_string_start:
case s_req_query_string:
case s_req_fragment_start:
case s_req_fragment:
{
switch (ch) {
case ' ':
parser->state = s_req_http_start;
CALLBACK_DATA(url);
break;
case CR:
case LF:
parser->http_major = 0;
parser->http_minor = 9;
parser->state = (ch == CR) ?
s_req_line_almost_done :
s_header_field_start;
CALLBACK_DATA(url);
break;
default:
parser->state = parse_url_char((enum state)parser->state, ch);
if (parser->state == s_dead) {
SET_ERRNO(HPE_INVALID_URL);
goto error;
}
}
break;
}
case s_req_http_start:
switch (ch) {
case 'H':
parser->state = s_req_http_H;
break;
case ' ':
break;
default:
SET_ERRNO(HPE_INVALID_CONSTANT);
goto error;
}
break;
case s_req_http_H:
STRICT_CHECK(ch != 'T');
parser->state = s_req_http_HT;
break;
case s_req_http_HT:
STRICT_CHECK(ch != 'T');
parser->state = s_req_http_HTT;
break;
case s_req_http_HTT:
STRICT_CHECK(ch != 'P');
parser->state = s_req_http_HTTP;
break;
case s_req_http_HTTP:
STRICT_CHECK(ch != '/');
parser->state = s_req_first_http_major;
break;
/* first digit of major HTTP version */
case s_req_first_http_major:
if (ch < '1' || ch > '9') {
SET_ERRNO(HPE_INVALID_VERSION);
goto error;
}
parser->http_major = ch - '0';
parser->state = s_req_http_major;
break;
/* major HTTP version or dot */
case s_req_http_major:
{
if (ch == '.') {
parser->state = s_req_first_http_minor;
break;
}
if (!IS_NUM(ch)) {
SET_ERRNO(HPE_INVALID_VERSION);
goto error;
}
parser->http_major *= 10;
parser->http_major += ch - '0';
if (parser->http_major > 999) {
SET_ERRNO(HPE_INVALID_VERSION);
goto error;
}
break;
}
/* first digit of minor HTTP version */
case s_req_first_http_minor:
if (!IS_NUM(ch)) {
SET_ERRNO(HPE_INVALID_VERSION);
goto error;
}
parser->http_minor = ch - '0';
parser->state = s_req_http_minor;
break;
/* minor HTTP version or end of request line */
case s_req_http_minor:
{
if (ch == CR) {
parser->state = s_req_line_almost_done;
break;
}
if (ch == LF) {
parser->state = s_header_field_start;
break;
}
/* XXX allow spaces after digit? */
if (!IS_NUM(ch)) {
SET_ERRNO(HPE_INVALID_VERSION);
goto error;
}
parser->http_minor *= 10;
parser->http_minor += ch - '0';
if (parser->http_minor > 999) {
SET_ERRNO(HPE_INVALID_VERSION);
goto error;
}
break;
}
/* end of request line */
case s_req_line_almost_done:
{
if (ch != LF) {
SET_ERRNO(HPE_LF_EXPECTED);
goto error;
}
parser->state = s_header_field_start;
break;
}
case s_header_field_start:
{
if (ch == CR) {
parser->state = s_headers_almost_done;
break;
}
if (ch == LF) {
/* they might be just sending \n instead of \r\n so this would be
* the second \n to denote the end of headers*/
parser->state = s_headers_almost_done;
goto reexecute_byte;
}
c = TOKEN(ch);
if (!c) {
SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
goto error;
}
MARK(header_field);
parser->index = 0;
parser->state = s_header_field;
switch (c) {
case 'c':
parser->header_state = h_C;
break;
case 'p':
parser->header_state = h_matching_proxy_connection;
break;
case 't':
parser->header_state = h_matching_transfer_encoding;
break;
case 'u':
parser->header_state = h_matching_upgrade;
break;
default:
parser->header_state = h_general;
break;
}
break;
}
case s_header_field:
{
c = TOKEN(ch);
if (c) {
switch (parser->header_state) {
case h_general:
break;
case h_C:
parser->index++;
parser->header_state = (c == 'o' ? h_CO : h_general);
break;
case h_CO:
parser->index++;
parser->header_state = (c == 'n' ? h_CON : h_general);
break;
case h_CON:
parser->index++;
switch (c) {
case 'n':
parser->header_state = h_matching_connection;
break;
case 't':
parser->header_state = h_matching_content_length;
break;
default:
parser->header_state = h_general;
break;
}
break;
/* connection */
case h_matching_connection:
parser->index++;
if (parser->index > sizeof(CONNECTION)-1
|| c != CONNECTION[parser->index]) {
parser->header_state = h_general;
} else if (parser->index == sizeof(CONNECTION)-2) {
parser->header_state = h_connection;
}
break;
/* proxy-connection */
case h_matching_proxy_connection:
parser->index++;
if (parser->index > sizeof(PROXY_CONNECTION)-1
|| c != PROXY_CONNECTION[parser->index]) {
parser->header_state = h_general;
} else if (parser->index == sizeof(PROXY_CONNECTION)-2) {
parser->header_state = h_connection;
}
break;
/* content-length */
case h_matching_content_length:
parser->index++;
if (parser->index > sizeof(CONTENT_LENGTH)-1
|| c != CONTENT_LENGTH[parser->index]) {
parser->header_state = h_general;
} else if (parser->index == sizeof(CONTENT_LENGTH)-2) {
parser->header_state = h_content_length;
}
break;
/* transfer-encoding */
case h_matching_transfer_encoding:
parser->index++;
if (parser->index > sizeof(TRANSFER_ENCODING)-1
|| c != TRANSFER_ENCODING[parser->index]) {
parser->header_state = h_general;
} else if (parser->index == sizeof(TRANSFER_ENCODING)-2) {
parser->header_state = h_transfer_encoding;
}
break;
/* upgrade */
case h_matching_upgrade:
parser->index++;
if (parser->index > sizeof(UPGRADE)-1
|| c != UPGRADE[parser->index]) {
parser->header_state = h_general;
} else if (parser->index == sizeof(UPGRADE)-2) {
parser->header_state = h_upgrade;
}
break;
case h_connection:
case h_content_length:
case h_transfer_encoding:
case h_upgrade:
if (ch != ' ') parser->header_state = h_general;
break;
default:
assert(0 && "Unknown header_state");
break;
}
break;
}
if (ch == ':') {
parser->state = s_header_value_start;
CALLBACK_DATA(header_field);
break;
}
if (ch == CR) {
parser->state = s_header_almost_done;
CALLBACK_DATA(header_field);
break;
}
if (ch == LF) {
parser->state = s_header_field_start;
CALLBACK_DATA(header_field);
break;
}
SET_ERRNO(HPE_INVALID_HEADER_TOKEN);
goto error;
}
case s_header_value_start:
{
if (ch == ' ' || ch == '\t') break;
MARK(header_value);
parser->state = s_header_value;
parser->index = 0;
if (ch == CR) {
parser->header_state = h_general;
parser->state = s_header_almost_done;
CALLBACK_DATA(header_value);
break;
}
if (ch == LF) {
parser->state = s_header_field_start;
CALLBACK_DATA(header_value);
break;
}
c = LOWER(ch);
switch (parser->header_state) {
case h_upgrade:
parser->flags |= F_UPGRADE;
parser->header_state = h_general;
break;
case h_transfer_encoding:
/* looking for 'Transfer-Encoding: chunked' */
if ('c' == c) {
parser->header_state = h_matching_transfer_encoding_chunked;
} else {
parser->header_state = h_general;
}
break;
case h_content_length:
if (!IS_NUM(ch)) {
SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
goto error;
}
parser->content_length = ch - '0';
break;
case h_connection:
/* looking for 'Connection: keep-alive' */
if (c == 'k') {
parser->header_state = h_matching_connection_keep_alive;
/* looking for 'Connection: close' */
} else if (c == 'c') {
parser->header_state = h_matching_connection_close;
} else {
parser->header_state = h_general;
}
break;
default:
parser->header_state = h_general;
break;
}
break;
}
case s_header_value:
{
if (ch == CR) {
parser->state = s_header_almost_done;
CALLBACK_DATA(header_value);
break;
}
if (ch == LF) {
parser->state = s_header_almost_done;
CALLBACK_DATA_NOADVANCE(header_value);
goto reexecute_byte;
}
c = LOWER(ch);
switch (parser->header_state) {
case h_general:
break;
case h_connection:
case h_transfer_encoding:
assert(0 && "Shouldn't get here.");
break;
case h_content_length:
{
uint64_t t;
if (ch == ' ') break;
if (!IS_NUM(ch)) {
SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
goto error;
}
t = parser->content_length;
t *= 10;
t += ch - '0';
/* Overflow? */
if (t < parser->content_length || t == ULLONG_MAX) {
SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
goto error;
}
parser->content_length = t;
break;
}
/* Transfer-Encoding: chunked */
case h_matching_transfer_encoding_chunked:
parser->index++;
if (parser->index > sizeof(CHUNKED)-1
|| c != CHUNKED[parser->index]) {
parser->header_state = h_general;
} else if (parser->index == sizeof(CHUNKED)-2) {
parser->header_state = h_transfer_encoding_chunked;
}
break;
/* looking for 'Connection: keep-alive' */
case h_matching_connection_keep_alive:
parser->index++;
if (parser->index > sizeof(KEEP_ALIVE)-1
|| c != KEEP_ALIVE[parser->index]) {
parser->header_state = h_general;
} else if (parser->index == sizeof(KEEP_ALIVE)-2) {
parser->header_state = h_connection_keep_alive;
}
break;
/* looking for 'Connection: close' */
case h_matching_connection_close:
parser->index++;
if (parser->index > sizeof(CLOSE)-1 || c != CLOSE[parser->index]) {
parser->header_state = h_general;
} else if (parser->index == sizeof(CLOSE)-2) {
parser->header_state = h_connection_close;
}
break;
case h_transfer_encoding_chunked:
case h_connection_keep_alive:
case h_connection_close:
if (ch != ' ') parser->header_state = h_general;
break;
default:
parser->state = s_header_value;
parser->header_state = h_general;
break;
}
break;
}
case s_header_almost_done:
{
STRICT_CHECK(ch != LF);
parser->state = s_header_value_lws;
switch (parser->header_state) {
case h_connection_keep_alive:
parser->flags |= F_CONNECTION_KEEP_ALIVE;
break;
case h_connection_close:
parser->flags |= F_CONNECTION_CLOSE;
break;
case h_transfer_encoding_chunked:
parser->flags |= F_CHUNKED;
break;
default:
break;
}
break;
}
case s_header_value_lws:
{
if (ch == ' ' || ch == '\t')
parser->state = s_header_value_start;
else
{
parser->state = s_header_field_start;
goto reexecute_byte;
}
break;
}
case s_headers_almost_done:
{
STRICT_CHECK(ch != LF);
if (parser->flags & F_TRAILING) {
/* End of a chunked request */
parser->state = NEW_MESSAGE();
CALLBACK_NOTIFY(message_complete);
break;
}
parser->state = s_headers_done;
/* Set this here so that on_headers_complete() callbacks can see it */
parser->upgrade =
(parser->flags & F_UPGRADE || parser->method == HTTP_CONNECT);
/* Here we call the headers_complete callback. This is somewhat
* different than other callbacks because if the user returns 1, we
* will interpret that as saying that this message has no body. This
* is needed for the annoying case of recieving a response to a HEAD
* request.
*
* We'd like to use CALLBACK_NOTIFY_NOADVANCE() here but we cannot, so
* we have to simulate it by handling a change in errno below.
*/
if (settings->on_headers_complete) {
switch (settings->on_headers_complete(parser)) {
case 0:
break;
case 1:
parser->flags |= F_SKIPBODY;
break;
default:
SET_ERRNO(HPE_CB_headers_complete);
return p - data; /* Error */
}
}
if (HTTP_PARSER_ERRNO(parser) != HPE_OK) {
return p - data;
}
goto reexecute_byte;
}
case s_headers_done:
{
STRICT_CHECK(ch != LF);
parser->nread = 0;
/* Exit, the rest of the connect is in a different protocol. */
if (parser->upgrade) {
parser->state = NEW_MESSAGE();
CALLBACK_NOTIFY(message_complete);
return (p - data) + 1;
}
if (parser->flags & F_SKIPBODY) {
parser->state = NEW_MESSAGE();
CALLBACK_NOTIFY(message_complete);
} else if (parser->flags & F_CHUNKED) {
/* chunked encoding - ignore Content-Length header */
parser->state = s_chunk_size_start;
} else {
if (parser->content_length == 0) {
/* Content-Length header given but zero: Content-Length: 0\r\n */
parser->state = NEW_MESSAGE();
CALLBACK_NOTIFY(message_complete);
} else if (parser->content_length != ULLONG_MAX) {
/* Content-Length header given and non-zero */
parser->state = s_body_identity;
} else {
if (parser->type == HTTP_REQUEST ||
!http_message_needs_eof(parser)) {
/* Assume content-length 0 - read the next */
parser->state = NEW_MESSAGE();
CALLBACK_NOTIFY(message_complete);
} else {
/* Read body until EOF */
parser->state = s_body_identity_eof;
}
}
}
break;
}
case s_body_identity:
{
uint64_t to_read = MIN(parser->content_length,
(uint64_t) ((data + len) - p));
assert(parser->content_length != 0
&& parser->content_length != ULLONG_MAX);
/* The difference between advancing content_length and p is because
* the latter will automaticaly advance on the next loop iteration.
* Further, if content_length ends up at 0, we want to see the last
* byte again for our message complete callback.
*/
MARK(body);
parser->content_length -= to_read;
p += to_read - 1;
if (parser->content_length == 0) {
parser->state = s_message_done;
/* Mimic CALLBACK_DATA_NOADVANCE() but with one extra byte.
*
* The alternative to doing this is to wait for the next byte to
* trigger the data callback, just as in every other case. The
* problem with this is that this makes it difficult for the test
* harness to distinguish between complete-on-EOF and
* complete-on-length. It's not clear that this distinction is
* important for applications, but let's keep it for now.
*/
CALLBACK_DATA_(body, p - body_mark + 1, p - data);
goto reexecute_byte;
}
break;
}
/* read until EOF */
case s_body_identity_eof:
MARK(body);
p = data + len - 1;
break;
case s_message_done:
parser->state = NEW_MESSAGE();
CALLBACK_NOTIFY(message_complete);
break;
case s_chunk_size_start:
{
assert(parser->nread == 1);
assert(parser->flags & F_CHUNKED);
unhex_val = unhex[(unsigned char)ch];
if (unhex_val == -1) {
SET_ERRNO(HPE_INVALID_CHUNK_SIZE);
goto error;
}
parser->content_length = unhex_val;
parser->state = s_chunk_size;
break;
}
case s_chunk_size:
{
uint64_t t;
assert(parser->flags & F_CHUNKED);
if (ch == CR) {
parser->state = s_chunk_size_almost_done;
break;
}
unhex_val = unhex[(unsigned char)ch];
if (unhex_val == -1) {
if (ch == ';' || ch == ' ') {
parser->state = s_chunk_parameters;
break;
}
SET_ERRNO(HPE_INVALID_CHUNK_SIZE);
goto error;
}
t = parser->content_length;
t *= 16;
t += unhex_val;
/* Overflow? */
if (t < parser->content_length || t == ULLONG_MAX) {
SET_ERRNO(HPE_INVALID_CONTENT_LENGTH);
goto error;
}
parser->content_length = t;
break;
}
case s_chunk_parameters:
{
assert(parser->flags & F_CHUNKED);
/* just ignore this shit. TODO check for overflow */
if (ch == CR) {
parser->state = s_chunk_size_almost_done;
break;
}
break;
}
case s_chunk_size_almost_done:
{
assert(parser->flags & F_CHUNKED);
STRICT_CHECK(ch != LF);
parser->nread = 0;
if (parser->content_length == 0) {
parser->flags |= F_TRAILING;
parser->state = s_header_field_start;
} else {
parser->state = s_chunk_data;
}
break;
}
case s_chunk_data:
{
uint64_t to_read = MIN(parser->content_length,
(uint64_t) ((data + len) - p));
assert(parser->flags & F_CHUNKED);
assert(parser->content_length != 0
&& parser->content_length != ULLONG_MAX);
/* See the explanation in s_body_identity for why the content
* length and data pointers are managed this way.
*/
MARK(body);
parser->content_length -= to_read;
p += to_read - 1;
if (parser->content_length == 0) {
parser->state = s_chunk_data_almost_done;
}
break;
}
case s_chunk_data_almost_done:
assert(parser->flags & F_CHUNKED);
assert(parser->content_length == 0);
STRICT_CHECK(ch != CR);
parser->state = s_chunk_data_done;
CALLBACK_DATA(body);
break;
case s_chunk_data_done:
assert(parser->flags & F_CHUNKED);
STRICT_CHECK(ch != LF);
parser->nread = 0;
parser->state = s_chunk_size_start;
break;
default:
assert(0 && "unhandled state");
SET_ERRNO(HPE_INVALID_INTERNAL_STATE);
goto error;
}
}
/* Run callbacks for any marks that we have leftover after we ran our of
* bytes. There should be at most one of these set, so it's OK to invoke
* them in series (unset marks will not result in callbacks).
*
* We use the NOADVANCE() variety of callbacks here because 'p' has already
* overflowed 'data' and this allows us to correct for the off-by-one that
* we'd otherwise have (since CALLBACK_DATA() is meant to be run with a 'p'
* value that's in-bounds).
*/
assert(((header_field_mark ? 1 : 0) +
(header_value_mark ? 1 : 0) +
(url_mark ? 1 : 0) +
(body_mark ? 1 : 0)) <= 1);
CALLBACK_DATA_NOADVANCE(header_field);
CALLBACK_DATA_NOADVANCE(header_value);
CALLBACK_DATA_NOADVANCE(url);
CALLBACK_DATA_NOADVANCE(body);
return len;
error:
if (HTTP_PARSER_ERRNO(parser) == HPE_OK) {
SET_ERRNO(HPE_UNKNOWN);
}
return (p - data);
}
/* Does the parser need to see an EOF to find the end of the message? */
int
http_message_needs_eof (const http_parser *parser)
{
if (parser->type == HTTP_REQUEST) {
return 0;
}
/* See RFC 2616 section 4.4 */
if (parser->status_code / 100 == 1 || /* 1xx e.g. Continue */
parser->status_code == 204 || /* No Content */
parser->status_code == 304 || /* Not Modified */
parser->flags & F_SKIPBODY) { /* response to a HEAD request */
return 0;
}
if ((parser->flags & F_CHUNKED) || parser->content_length != ULLONG_MAX) {
return 0;
}
return 1;
}
int
http_should_keep_alive (const http_parser *parser)
{
if (parser->http_major > 0 && parser->http_minor > 0) {
/* HTTP/1.1 */
if (parser->flags & F_CONNECTION_CLOSE) {
return 0;
}
} else {
/* HTTP/1.0 or earlier */
if (!(parser->flags & F_CONNECTION_KEEP_ALIVE)) {
return 0;
}
}
return !http_message_needs_eof(parser);
}
const char *
http_method_str (enum http_method m)
{
return ELEM_AT(method_strings, m, "<unknown>");
}
void
http_parser_init (http_parser *parser, enum http_parser_type t)
{
void *data = parser->data; /* preserve application data */
memset(parser, 0, sizeof(*parser));
parser->data = data;
parser->type = t;
parser->state = (t == HTTP_REQUEST ? s_start_req : (t == HTTP_RESPONSE ? s_start_res : s_start_req_or_res));
parser->http_errno = HPE_OK;
}
const char *
http_errno_name(enum http_errno err) {
assert(err < (sizeof(http_strerror_tab)/sizeof(http_strerror_tab[0])));
return http_strerror_tab[err].name;
}
const char *
http_errno_description(enum http_errno err) {
assert(err < (sizeof(http_strerror_tab)/sizeof(http_strerror_tab[0])));
return http_strerror_tab[err].description;
}
static enum http_host_state
http_parse_host_char(enum http_host_state s, const char ch) {
switch(s) {
case s_http_userinfo:
case s_http_userinfo_start:
if (ch == '@') {
return s_http_host_start;
}
if (IS_USERINFO_CHAR(ch)) {
return s_http_userinfo;
}
break;
case s_http_host_start:
if (ch == '[') {
return s_http_host_v6_start;
}
if (IS_HOST_CHAR(ch)) {
return s_http_host;
}
break;
case s_http_host:
if (IS_HOST_CHAR(ch)) {
return s_http_host;
}
/* FALLTHROUGH */
case s_http_host_v6_end:
if (ch == ':') {
return s_http_host_port_start;
}
break;
case s_http_host_v6:
if (ch == ']') {
return s_http_host_v6_end;
}
/* FALLTHROUGH */
case s_http_host_v6_start:
if (IS_HEX(ch) || ch == ':' || ch == '.') {
return s_http_host_v6;
}
break;
case s_http_host_port:
case s_http_host_port_start:
if (IS_NUM(ch)) {
return s_http_host_port;
}
break;
default:
break;
}
return s_http_host_dead;
}
static int
http_parse_host(const char * buf, struct http_parser_url *u, int found_at) {
enum http_host_state s;
const char *p;
size_t buflen = u->field_data[UF_HOST].off + u->field_data[UF_HOST].len;
u->field_data[UF_HOST].len = 0;
s = found_at ? s_http_userinfo_start : s_http_host_start;
for (p = buf + u->field_data[UF_HOST].off; p < buf + buflen; p++) {
enum http_host_state new_s = http_parse_host_char(s, *p);
if (new_s == s_http_host_dead) {
return 1;
}
switch(new_s) {
case s_http_host:
if (s != s_http_host) {
u->field_data[UF_HOST].off = p - buf;
}
u->field_data[UF_HOST].len++;
break;
case s_http_host_v6:
if (s != s_http_host_v6) {
u->field_data[UF_HOST].off = p - buf;
}
u->field_data[UF_HOST].len++;
break;
case s_http_host_port:
if (s != s_http_host_port) {
u->field_data[UF_PORT].off = p - buf;
u->field_data[UF_PORT].len = 0;
u->field_set |= (1 << UF_PORT);
}
u->field_data[UF_PORT].len++;
break;
case s_http_userinfo:
if (s != s_http_userinfo) {
u->field_data[UF_USERINFO].off = p - buf ;
u->field_data[UF_USERINFO].len = 0;
u->field_set |= (1 << UF_USERINFO);
}
u->field_data[UF_USERINFO].len++;
break;
default:
break;
}
s = new_s;
}
/* Make sure we don't end somewhere unexpected */
switch (s) {
case s_http_host_start:
case s_http_host_v6_start:
case s_http_host_v6:
case s_http_host_port_start:
case s_http_userinfo:
case s_http_userinfo_start:
return 1;
default:
break;
}
return 0;
}
int
http_parser_parse_url(const char *buf, size_t buflen, int is_connect,
struct http_parser_url *u)
{
enum state s;
const char *p;
enum http_parser_url_fields uf, old_uf;
int found_at = 0;
u->port = u->field_set = 0;
s = is_connect ? s_req_server_start : s_req_spaces_before_url;
uf = old_uf = UF_MAX;
for (p = buf; p < buf + buflen; p++) {
s = parse_url_char(s, *p);
/* Figure out the next field that we're operating on */
switch (s) {
case s_dead:
return 1;
/* Skip delimeters */
case s_req_schema_slash:
case s_req_schema_slash_slash:
case s_req_server_start:
case s_req_query_string_start:
case s_req_fragment_start:
continue;
case s_req_schema:
uf = UF_SCHEMA;
break;
case s_req_server_with_at:
found_at = 1;
/* FALLTROUGH */
case s_req_server:
uf = UF_HOST;
break;
case s_req_path:
uf = UF_PATH;
break;
case s_req_query_string:
uf = UF_QUERY;
break;
case s_req_fragment:
uf = UF_FRAGMENT;
break;
default:
assert(!"Unexpected state");
return 1;
}
/* Nothing's changed; soldier on */
if (uf == old_uf) {
u->field_data[uf].len++;
continue;
}
u->field_data[uf].off = p - buf;
u->field_data[uf].len = 1;
u->field_set |= (1 << uf);
old_uf = uf;
}
/* host must be present if there is a schema */
/* parsing http:///toto will fail */
if ((u->field_set & ((1 << UF_SCHEMA) | (1 << UF_HOST))) != 0) {
if (http_parse_host(buf, u, found_at) != 0) {
return 1;
}
}
/* CONNECT requests can only contain "hostname:port" */
if (is_connect && u->field_set != ((1 << UF_HOST)|(1 << UF_PORT))) {
return 1;
}
if (u->field_set & (1 << UF_PORT)) {
/* Don't bother with endp; we've already validated the string */
unsigned long v = strtoul(buf + u->field_data[UF_PORT].off, NULL, 10);
/* Ports have a max value of 2^16 */
if (v > 0xffff) {
return 1;
}
u->port = (uint16_t) v;
}
return 0;
}
void
http_parser_pause(http_parser *parser, int paused) {
/* Users should only be pausing/unpausing a parser that is not in an error
* state. In non-debug builds, there's not much that we can do about this
* other than ignore it.
*/
if (HTTP_PARSER_ERRNO(parser) == HPE_OK ||
HTTP_PARSER_ERRNO(parser) == HPE_PAUSED) {
SET_ERRNO((paused) ? HPE_PAUSED : HPE_OK);
} else {
assert(0 && "Attempting to pause parser in error state");
}
}
int
http_body_is_final(const struct http_parser *parser) {
return parser->state == s_message_done;
}
/*
The MIT License (MIT)
Copyright (c) 2013-2015 SRS(ossrs)
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
SrsHttpUri::SrsHttpUri()
{
port = SRS_DEFAULT_HTTP_PORT;
}
SrsHttpUri::~SrsHttpUri()
{
}
int SrsHttpUri::initialize(string _url)
{
int ret = ERROR_SUCCESS;
url = _url;
const char* purl = url.c_str();
http_parser_url hp_u;
if((ret = http_parser_parse_url(purl, url.length(), 0, &hp_u)) != 0){
int code = ret;
ret = ERROR_HTTP_PARSE_URI;
srs_error("parse url %s failed, code=%d, ret=%d", purl, code, ret);
return ret;
}
std::string field = get_uri_field(url, &hp_u, UF_SCHEMA);
if(!field.empty()){
schema = field;
}
host = get_uri_field(url, &hp_u, UF_HOST);
field = get_uri_field(url, &hp_u, UF_PORT);
if(!field.empty()){
port = atoi(field.c_str());
}
path = get_uri_field(url, &hp_u, UF_PATH);
srs_info("parse url %s success", purl);
query = get_uri_field(url, &hp_u, UF_QUERY);
srs_info("parse query %s success", query.c_str());
return ret;
}
string SrsHttpUri::get_url()
{
return url;
}
string SrsHttpUri::get_schema()
{
return schema;
}
string SrsHttpUri::get_host()
{
return host;
}
int SrsHttpUri::get_port()
{
return port;
}
string SrsHttpUri::get_path()
{
return path;
}
string SrsHttpUri::get_query()
{
return query;
}
string SrsHttpUri::get_uri_field(string uri, http_parser_url* hp_u, http_parser_url_fields field)
{
if((hp_u->field_set & (1 << field)) == 0){
return "";
}
srs_verbose("uri field matched, off=%d, len=%d, value=%.*s",
hp_u->field_data[field].off,
hp_u->field_data[field].len,
hp_u->field_data[field].len,
uri.c_str() + hp_u->field_data[field].off);
int offset = hp_u->field_data[field].off;
int len = hp_u->field_data[field].len;
return uri.substr(offset, len);
}
... ...
... ... @@ -539,5 +539,345 @@ public:
#endif
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef http_parser_h
#define http_parser_h
#ifdef __cplusplus
extern "C" {
#endif
#define HTTP_PARSER_VERSION_MAJOR 2
#define HTTP_PARSER_VERSION_MINOR 1
#include <sys/types.h>
#if defined(_WIN32) && !defined(__MINGW32__) && (!defined(_MSC_VER) || _MSC_VER<1600)
#include <BaseTsd.h>
#include <stddef.h>
typedef __int8 int8_t;
typedef unsigned __int8 uint8_t;
typedef __int16 int16_t;
typedef unsigned __int16 uint16_t;
typedef __int32 int32_t;
typedef unsigned __int32 uint32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
#include <stdint.h>
#endif
/* Compile with -DHTTP_PARSER_STRICT=0 to make less checks, but run
* faster
*/
#ifndef HTTP_PARSER_STRICT
# define HTTP_PARSER_STRICT 1
#endif
/* Maximium header size allowed */
#define HTTP_MAX_HEADER_SIZE (80*1024)
typedef struct http_parser http_parser;
typedef struct http_parser_settings http_parser_settings;
/* Callbacks should return non-zero to indicate an error. The parser will
* then halt execution.
*
* The one exception is on_headers_complete. In a HTTP_RESPONSE parser
* returning '1' from on_headers_complete will tell the parser that it
* should not expect a body. This is used when receiving a response to a
* HEAD request which may contain 'Content-Length' or 'Transfer-Encoding:
* chunked' headers that indicate the presence of a body.
*
* http_data_cb does not return data chunks. It will be call arbitrarally
* many times for each string. E.G. you might get 10 callbacks for "on_url"
* each providing just a few characters more data.
*/
typedef int (*http_data_cb) (http_parser*, const char *at, size_t length);
typedef int (*http_cb) (http_parser*);
/* Request Methods */
#define HTTP_METHOD_MAP(XX) \
XX(0, DELETE, DELETE) \
XX(1, GET, GET) \
XX(2, HEAD, HEAD) \
XX(3, POST, POST) \
XX(4, PUT, PUT) \
/* pathological */ \
XX(5, CONNECT, CONNECT) \
XX(6, OPTIONS, OPTIONS) \
XX(7, TRACE, TRACE) \
/* webdav */ \
XX(8, COPY, COPY) \
XX(9, LOCK, LOCK) \
XX(10, MKCOL, MKCOL) \
XX(11, MOVE, MOVE) \
XX(12, PROPFIND, PROPFIND) \
XX(13, PROPPATCH, PROPPATCH) \
XX(14, SEARCH, SEARCH) \
XX(15, UNLOCK, UNLOCK) \
/* subversion */ \
XX(16, REPORT, REPORT) \
XX(17, MKACTIVITY, MKACTIVITY) \
XX(18, CHECKOUT, CHECKOUT) \
XX(19, MERGE, MERGE) \
/* upnp */ \
XX(20, MSEARCH, M-SEARCH) \
XX(21, NOTIFY, NOTIFY) \
XX(22, SUBSCRIBE, SUBSCRIBE) \
XX(23, UNSUBSCRIBE, UNSUBSCRIBE) \
/* RFC-5789 */ \
XX(24, PATCH, PATCH) \
XX(25, PURGE, PURGE) \
enum http_method
{
#define XX(num, name, string) HTTP_##name = num,
HTTP_METHOD_MAP(XX)
#undef XX
};
enum http_parser_type { HTTP_REQUEST, HTTP_RESPONSE, HTTP_BOTH };
/* Flag values for http_parser.flags field */
enum flags
{ F_CHUNKED = 1 << 0
, F_CONNECTION_KEEP_ALIVE = 1 << 1
, F_CONNECTION_CLOSE = 1 << 2
, F_TRAILING = 1 << 3
, F_UPGRADE = 1 << 4
, F_SKIPBODY = 1 << 5
};
/* Map for errno-related constants
*
* The provided argument should be a macro that takes 2 arguments.
*/
#define HTTP_ERRNO_MAP(XX) \
/* No error */ \
XX(OK, "success") \
\
/* Callback-related errors */ \
XX(CB_message_begin, "the on_message_begin callback failed") \
XX(CB_status_complete, "the on_status_complete callback failed") \
XX(CB_url, "the on_url callback failed") \
XX(CB_header_field, "the on_header_field callback failed") \
XX(CB_header_value, "the on_header_value callback failed") \
XX(CB_headers_complete, "the on_headers_complete callback failed") \
XX(CB_body, "the on_body callback failed") \
XX(CB_message_complete, "the on_message_complete callback failed") \
\
/* Parsing-related errors */ \
XX(INVALID_EOF_STATE, "stream ended at an unexpected time") \
XX(HEADER_OVERFLOW, \
"too many header bytes seen; overflow detected") \
XX(CLOSED_CONNECTION, \
"data received after completed connection: close message") \
XX(INVALID_VERSION, "invalid HTTP version") \
XX(INVALID_STATUS, "invalid HTTP status code") \
XX(INVALID_METHOD, "invalid HTTP method") \
XX(INVALID_URL, "invalid URL") \
XX(INVALID_HOST, "invalid host") \
XX(INVALID_PORT, "invalid port") \
XX(INVALID_PATH, "invalid path") \
XX(INVALID_QUERY_STRING, "invalid query string") \
XX(INVALID_FRAGMENT, "invalid fragment") \
XX(LF_EXPECTED, "LF character expected") \
XX(INVALID_HEADER_TOKEN, "invalid character in header") \
XX(INVALID_CONTENT_LENGTH, \
"invalid character in content-length header") \
XX(INVALID_CHUNK_SIZE, \
"invalid character in chunk size header") \
XX(INVALID_CONSTANT, "invalid constant string") \
XX(INVALID_INTERNAL_STATE, "encountered unexpected internal state")\
XX(STRICT, "strict mode assertion failed") \
XX(PAUSED, "parser is paused") \
XX(UNKNOWN, "an unknown error occurred")
/* Define HPE_* values for each errno value above */
#define HTTP_ERRNO_GEN(n, s) HPE_##n,
enum http_errno {
HTTP_ERRNO_MAP(HTTP_ERRNO_GEN)
};
#undef HTTP_ERRNO_GEN
/* Get an http_errno value from an http_parser */
#define HTTP_PARSER_ERRNO(p) ((enum http_errno) (p)->http_errno)
struct http_parser {
/** PRIVATE **/
unsigned char type : 2; /* enum http_parser_type */
unsigned char flags : 6; /* F_* values from 'flags' enum; semi-public */
unsigned char state; /* enum state from http_parser.c */
unsigned char header_state; /* enum header_state from http_parser.c */
unsigned char index; /* index into current matcher */
uint32_t nread; /* # bytes read in various scenarios */
uint64_t content_length; /* # bytes in body (0 if no Content-Length header) */
/** READ-ONLY **/
unsigned short http_major;
unsigned short http_minor;
unsigned short status_code; /* responses only */
unsigned char method; /* requests only */
unsigned char http_errno : 7;
/* 1 = Upgrade header was present and the parser has exited because of that.
* 0 = No upgrade header present.
* Should be checked when http_parser_execute() returns in addition to
* error checking.
*/
unsigned char upgrade : 1;
/** PUBLIC **/
void *data; /* A pointer to get hook to the "connection" or "socket" object */
};
struct http_parser_settings {
http_cb on_message_begin;
http_data_cb on_url;
http_cb on_status_complete;
http_data_cb on_header_field;
http_data_cb on_header_value;
http_cb on_headers_complete;
http_data_cb on_body;
http_cb on_message_complete;
};
enum http_parser_url_fields
{ UF_SCHEMA = 0
, UF_HOST = 1
, UF_PORT = 2
, UF_PATH = 3
, UF_QUERY = 4
, UF_FRAGMENT = 5
, UF_USERINFO = 6
, UF_MAX = 7
};
/* Result structure for http_parser_parse_url().
*
* Callers should index into field_data[] with UF_* values iff field_set
* has the relevant (1 << UF_*) bit set. As a courtesy to clients (and
* because we probably have padding left over), we convert any port to
* a uint16_t.
*/
struct http_parser_url {
uint16_t field_set; /* Bitmask of (1 << UF_*) values */
uint16_t port; /* Converted UF_PORT string */
struct {
uint16_t off; /* Offset into buffer in which field starts */
uint16_t len; /* Length of run in buffer */
} field_data[UF_MAX];
};
void http_parser_init(http_parser *parser, enum http_parser_type type);
size_t http_parser_execute(http_parser *parser,
const http_parser_settings *settings,
const char *data,
size_t len);
/* If http_should_keep_alive() in the on_headers_complete or
* on_message_complete callback returns 0, then this should be
* the last message on the connection.
* If you are the server, respond with the "Connection: close" header.
* If you are the client, close the connection.
*/
int http_should_keep_alive(const http_parser *parser);
/* Returns a string version of the HTTP method. */
const char *http_method_str(enum http_method m);
/* Return a string name of the given error */
const char *http_errno_name(enum http_errno err);
/* Return a string description of the given error */
const char *http_errno_description(enum http_errno err);
/* Parse a URL; return nonzero on failure */
int http_parser_parse_url(const char *buf, size_t buflen,
int is_connect,
struct http_parser_url *u);
/* Pause or un-pause the parser; a nonzero value pauses */
void http_parser_pause(http_parser *parser, int paused);
/* Checks if this is the final chunk of the body. */
int http_body_is_final(const http_parser *parser);
#ifdef __cplusplus
}
#endif
#endif
/**
* used to resolve the http uri.
*/
class SrsHttpUri
{
private:
std::string url;
std::string schema;
std::string host;
int port;
std::string path;
std::string query;
public:
SrsHttpUri();
virtual ~SrsHttpUri();
public:
/**
* initialize the http uri.
*/
virtual int initialize(std::string _url);
public:
virtual std::string get_url();
virtual std::string get_schema();
virtual std::string get_host();
virtual int get_port();
virtual std::string get_path();
virtual std::string get_query();
private:
/**
* get the parsed url field.
* @return return empty string if not set.
*/
virtual std::string get_uri_field(std::string uri, http_parser_url* hp_u, http_parser_url_fields field);
};
#endif
... ...