mirror of https://github.com/SuperBFG7/ympd
153 lines
6.5 KiB
C
153 lines
6.5 KiB
C
// Copyright (c) 2004-2013 Sergey Lyubka <valenok@gmail.com>
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// Copyright (c) 2013-2014 Cesanta Software Limited
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// All rights reserved
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//
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// This software is dual-licensed: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2 as
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// published by the Free Software Foundation. For the terms of this
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// license, see <http://www.gnu.org/licenses/>.
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//
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// You are free to use this software under the terms of the GNU General
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// Public License, but WITHOUT ANY WARRANTY; without even the implied
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// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// Alternatively, you can license this software under a commercial
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// license, as set out in <http://cesanta.com/>.
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#ifndef MONGOOSE_HEADER_INCLUDED
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#define MONGOOSE_HEADER_INCLUDED
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#define MONGOOSE_VERSION "5.6"
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#include <stdio.h> // required for FILE
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#include <stddef.h> // required for size_t
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#include <sys/types.h> // required for time_t
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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// This structure contains information about HTTP request.
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struct mg_connection {
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const char *request_method; // "GET", "POST", etc
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const char *uri; // URL-decoded URI
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const char *http_version; // E.g. "1.0", "1.1"
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const char *query_string; // URL part after '?', not including '?', or NULL
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char remote_ip[48]; // Max IPv6 string length is 45 characters
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char local_ip[48]; // Local IP address
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unsigned short remote_port; // Client's port
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unsigned short local_port; // Local port number
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int num_headers; // Number of HTTP headers
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struct mg_header {
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const char *name; // HTTP header name
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const char *value; // HTTP header value
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} http_headers[30];
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char *content; // POST (or websocket message) data, or NULL
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size_t content_len; // Data length
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int is_websocket; // Connection is a websocket connection
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int status_code; // HTTP status code for HTTP error handler
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int wsbits; // First byte of the websocket frame
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void *server_param; // Parameter passed to mg_create_server()
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void *connection_param; // Placeholder for connection-specific data
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void *callback_param;
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};
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struct mg_server; // Opaque structure describing server instance
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enum mg_result { MG_FALSE, MG_TRUE, MG_MORE };
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enum mg_event {
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MG_POLL = 100, // Callback return value is ignored
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MG_CONNECT, // If callback returns MG_FALSE, connect fails
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MG_AUTH, // If callback returns MG_FALSE, authentication fails
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MG_REQUEST, // If callback returns MG_FALSE, Mongoose continues with req
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MG_REPLY, // If callback returns MG_FALSE, Mongoose closes connection
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MG_RECV, // Mongoose has received POST data chunk.
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// Callback should return a number of bytes to discard from
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// the receive buffer, or -1 to close the connection.
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MG_CLOSE, // Connection is closed, callback return value is ignored
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MG_WS_HANDSHAKE, // New websocket connection, handshake request
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MG_WS_CONNECT, // New websocket connection established
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MG_HTTP_ERROR // If callback returns MG_FALSE, Mongoose continues with err
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};
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typedef int (*mg_handler_t)(struct mg_connection *, enum mg_event);
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// Websocket opcodes, from http://tools.ietf.org/html/rfc6455
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enum {
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WEBSOCKET_OPCODE_CONTINUATION = 0x0,
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WEBSOCKET_OPCODE_TEXT = 0x1,
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WEBSOCKET_OPCODE_BINARY = 0x2,
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WEBSOCKET_OPCODE_CONNECTION_CLOSE = 0x8,
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WEBSOCKET_OPCODE_PING = 0x9,
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WEBSOCKET_OPCODE_PONG = 0xa
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};
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// Server management functions
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struct mg_server *mg_create_server(void *server_param, mg_handler_t handler);
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void mg_destroy_server(struct mg_server **);
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const char *mg_set_option(struct mg_server *, const char *opt, const char *val);
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time_t mg_poll_server(struct mg_server *, int milliseconds);
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const char **mg_get_valid_option_names(void);
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const char *mg_get_option(const struct mg_server *server, const char *name);
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void mg_copy_listeners(struct mg_server *from, struct mg_server *to);
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struct mg_connection *mg_next(struct mg_server *, struct mg_connection *);
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void mg_wakeup_server(struct mg_server *);
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void mg_wakeup_server_ex(struct mg_server *, mg_handler_t, const char *, ...);
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struct mg_connection *mg_connect(struct mg_server *, const char *);
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// Connection management functions
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void mg_send_status(struct mg_connection *, int status_code);
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void mg_send_header(struct mg_connection *, const char *name, const char *val);
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size_t mg_send_data(struct mg_connection *, const void *data, int data_len);
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size_t mg_printf_data(struct mg_connection *, const char *format, ...);
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size_t mg_write(struct mg_connection *, const void *buf, size_t len);
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size_t mg_printf(struct mg_connection *conn, const char *fmt, ...);
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size_t mg_websocket_write(struct mg_connection *, int opcode,
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const char *data, size_t data_len);
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size_t mg_websocket_printf(struct mg_connection* conn, int opcode,
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const char *fmt, ...);
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void mg_send_file(struct mg_connection *, const char *path, const char *);
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void mg_send_file_data(struct mg_connection *, int fd);
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const char *mg_get_header(const struct mg_connection *, const char *name);
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const char *mg_get_mime_type(const char *name, const char *default_mime_type);
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int mg_get_var(const struct mg_connection *conn, const char *var_name,
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char *buf, size_t buf_len);
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int mg_parse_header(const char *hdr, const char *var_name, char *buf, size_t);
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int mg_parse_multipart(const char *buf, int buf_len,
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char *var_name, int var_name_len,
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char *file_name, int file_name_len,
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const char **data, int *data_len);
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// Utility functions
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void *mg_start_thread(void *(*func)(void *), void *param);
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char *mg_md5(char buf[33], ...);
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int mg_authorize_digest(struct mg_connection *c, FILE *fp);
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size_t mg_url_encode(const char *src, size_t s_len, char *dst, size_t dst_len);
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int mg_url_decode(const char *src, size_t src_len, char *dst, size_t dst_len, int);
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int mg_terminate_ssl(struct mg_connection *c, const char *cert);
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int mg_forward(struct mg_connection *c, const char *addr);
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void *mg_mmap(FILE *fp, size_t size);
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void mg_munmap(void *p, size_t size);
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// Templates support
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struct mg_expansion {
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const char *keyword;
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void (*handler)(struct mg_connection *);
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};
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void mg_template(struct mg_connection *, const char *text,
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struct mg_expansion *expansions);
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif // MONGOOSE_HEADER_INCLUDED
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