mirror of
https://gitlab.xiph.org/xiph/icecast-common.git
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ae2a956d88
This added support for the standard HTTP/1.1 methods:
* OPTIONS
- Query the server to tell what features are supported.
* DELETE
- Delete a resource on a server. In Icecast2 context this is
about what is known as 'kick source'.
* TRACE
- Asks the server to return the request to the client as body.
The client is to send a body-less request and the server
will return with a 200 OK and the body to to be the exact
bitstream it got from the client (or any (reverse) proxy).
The Content-Type is to be set to 'message/http'.
* CONNECT
- Client asks the server to proxy the request to the given resource.
This hardly seems to make sense for Icecast2 but may be used by
some clients such as libshout. Therefor I added it as well
so we have at least an ID assigned to it.
Please note that this is a ABI breaker and you will need to recompile
your projects (use 'make clean all').
See: RFC2616
112 lines
3.9 KiB
C
112 lines
3.9 KiB
C
/* httpp.h
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**
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** http parsing library
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**
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** Copyright (C) 2014 Michael Smith <msmith@icecast.org>,
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** Ralph Giles <giles@xiph.org>,
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** Karl Heyes <karl@xiph.org>,
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** Philipp "ph3-der-loewe" Schafft <lion@lion.leolix.org>
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**
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** This library is free software; you can redistribute it and/or
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** modify it under the terms of the GNU Library General Public
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** License as published by the Free Software Foundation; either
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** version 2 of the License, or (at your option) any later version.
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**
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** This library is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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** Library General Public License for more details.
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**
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** You should have received a copy of the GNU Library General Public
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** License along with this library; if not, write to the
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** Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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** Boston, MA 02110-1301, USA.
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**
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*/
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#ifndef __HTTPP_H
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#define __HTTPP_H
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#include <avl/avl.h>
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#define HTTPP_VAR_PROTOCOL "__protocol"
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#define HTTPP_VAR_VERSION "__version"
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#define HTTPP_VAR_URI "__uri"
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#define HTTPP_VAR_RAWURI "__rawuri"
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#define HTTPP_VAR_QUERYARGS " __queryargs"
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#define HTTPP_VAR_REQ_TYPE "__req_type"
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#define HTTPP_VAR_ERROR_MESSAGE "__errormessage"
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#define HTTPP_VAR_ERROR_CODE "__errorcode"
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#define HTTPP_VAR_ICYPASSWORD "__icy_password"
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typedef enum httpp_request_type_tag {
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/* Initial and internally used state of the engine */
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httpp_req_none = 0,
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/* Part of HTTP standard: GET, POST, PUT and HEAD */
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httpp_req_get,
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httpp_req_post,
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httpp_req_put,
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httpp_req_head,
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httpp_req_options,
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httpp_req_delete,
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httpp_req_trace,
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httpp_req_connect,
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/* Icecast SOURCE, to be replaced with PUT some day */
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httpp_req_source,
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/* XXX: ??? */
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httpp_req_play,
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/* Icecast 2.x STATS, to request a live stream of stats events */
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httpp_req_stats,
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/* Used if request method is unknown. MUST BE LAST ONE IN LIST. */
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httpp_req_unknown
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} httpp_request_type_e;
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typedef struct http_var_tag {
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char *name;
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char *value;
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} http_var_t;
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typedef struct http_varlist_tag {
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http_var_t var;
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struct http_varlist_tag *next;
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} http_varlist_t;
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typedef struct http_parser_tag {
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httpp_request_type_e req_type;
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char *uri;
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avl_tree *vars;
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avl_tree *queryvars;
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} http_parser_t;
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#ifdef _mangle
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# define httpp_create_parser _mangle(httpp_create_parser)
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# define httpp_initialize _mangle(httpp_initialize)
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# define httpp_parse _mangle(httpp_parse)
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# define httpp_parse_icy _mangle(httpp_parse_icy)
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# define httpp_parse_response _mangle(httpp_parse_response)
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# define httpp_setvar _mangle(httpp_setvar)
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# define httpp_getvar _mangle(httpp_getvar)
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# define httpp_set_query_param _mangle(httpp_set_query_param)
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# define httpp_get_query_param _mangle(httpp_get_query_param)
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# define httpp_destroy _mangle(httpp_destroy)
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# define httpp_clear _mangle(httpp_clear)
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#endif
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http_parser_t *httpp_create_parser(void);
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void httpp_initialize(http_parser_t *parser, http_varlist_t *defaults);
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int httpp_parse(http_parser_t *parser, const char *http_data, unsigned long len);
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int httpp_parse_icy(http_parser_t *parser, const char *http_data, unsigned long len);
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int httpp_parse_response(http_parser_t *parser, const char *http_data, unsigned long len, const char *uri);
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void httpp_setvar(http_parser_t *parser, const char *name, const char *value);
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void httpp_deletevar(http_parser_t *parser, const char *name);
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const char *httpp_getvar(http_parser_t *parser, const char *name);
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void httpp_set_query_param(http_parser_t *parser, const char *name, const char *value);
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const char *httpp_get_query_param(http_parser_t *parser, const char *name);
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void httpp_destroy(http_parser_t *parser);
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void httpp_clear(http_parser_t *parser);
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/* util functions */
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httpp_request_type_e httpp_str_to_method(const char * method);
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#endif
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