2 * uhttpd - Tiny single-threaded httpd - Main header
4 * Copyright (C) 2010-2012 Jo-Philipp Wich <xm@subsignal.org>
5 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
23 #include <netinet/in.h>
27 #include <libubox/list.h>
28 #include <libubox/uloop.h>
29 #include <libubox/ustream.h>
30 #include <libubox/blob.h>
31 #include <libubox/utils.h>
34 #include <json/json.h>
37 #include <libubox/ustream-ssl.h>
42 #define UH_LIMIT_CLIENTS 64
44 #define __enum_header(_name) HDR_##_name,
45 #define __blobmsg_header(_name) [HDR_##_name] = { .name = #_name, .type = BLOBMSG_TYPE_STRING },
53 const char *error_handler
;
54 const char *cgi_prefix
;
56 const char *lua_handler
;
57 const char *lua_prefix
;
58 const char *ubus_prefix
;
59 const char *ubus_socket
;
71 struct list_head list
;
90 enum http_method method
;
91 enum http_version version
;
95 uint8_t transfer_chunked
;
96 const struct auth_realm
*realm
;
108 struct list_head list
;
122 const struct interpreter
*ip
;
131 struct ustream_fd sfd
;
132 struct uloop_process proc
;
139 void (*header_cb
)(struct relay
*r
, const char *name
, const char *value
);
140 void (*header_end
)(struct relay
*r
);
141 void (*close
)(struct relay
*r
, int ret
);
144 struct dispatch_proc
{
146 struct uloop_fd wrfd
;
152 struct dispatch_handler
{
153 struct list_head list
;
155 bool (*check_url
)(const char *url
);
156 bool (*check_path
)(struct path_info
*pi
, const char *url
);
157 void (*handle_request
)(struct client
*cl
, char *url
, struct path_info
*pi
);
161 struct dispatch_ubus
{
162 struct ubus_request req
;
164 struct uloop_timeout timeout
;
165 struct json_tokener
*jstok
;
166 struct json_object
*jsobj
;
167 struct json_object
*jsobj_cur
;
182 int (*data_send
)(struct client
*cl
, const char *data
, int len
);
183 void (*data_done
)(struct client
*cl
);
184 void (*write_cb
)(struct client
*cl
);
185 void (*close_fds
)(struct client
*cl
);
186 void (*free
)(struct client
*cl
);
191 struct blob_attr
**hdr
;
194 struct dispatch_proc proc
;
196 struct dispatch_ubus ubus
;
202 struct list_head list
;
206 struct ustream_fd sfd
;
208 struct ustream_ssl ssl
;
210 struct uloop_timeout timeout
;
212 enum client_state state
;
215 struct http_request request
;
216 struct uh_addr srv_addr
, peer_addr
;
219 struct dispatch dispatch
;
222 extern char uh_buf
[4096];
223 extern int n_clients
;
224 extern struct config conf
;
225 extern const char * const http_versions
[];
226 extern const char * const http_methods
[];
227 extern struct dispatch_handler cgi_dispatch
;
229 void uh_index_add(const char *filename
);
231 bool uh_accept_client(int fd
, bool tls
);
233 void uh_unblock_listeners(void);
234 void uh_setup_listeners(void);
235 int uh_socket_bind(const char *host
, const char *port
, bool tls
);
237 bool uh_use_chunked(struct client
*cl
);
238 void uh_chunk_write(struct client
*cl
, const void *data
, int len
);
239 void uh_chunk_vprintf(struct client
*cl
, const char *format
, va_list arg
);
242 uh_chunk_printf(struct client
*cl
, const char *format
, ...);
244 void uh_chunk_eof(struct client
*cl
);
245 void uh_request_done(struct client
*cl
);
247 void uh_http_header(struct client
*cl
, int code
, const char *summary
);
249 uh_client_error(struct client
*cl
, int code
, const char *summary
, const char *fmt
, ...);
251 void uh_handle_request(struct client
*cl
);
252 void client_poll_post_data(struct client
*cl
);
253 void uh_client_read_cb(struct client
*cl
);
254 void uh_client_notify_state(struct client
*cl
);
256 void uh_auth_add(const char *path
, const char *user
, const char *pass
);
257 bool uh_auth_check(struct client
*cl
, struct path_info
*pi
);
259 void uh_close_listen_fds(void);
260 void uh_close_fds(void);
262 void uh_interpreter_add(const char *ext
, const char *path
);
263 void uh_dispatch_add(struct dispatch_handler
*d
);
265 void uh_relay_open(struct client
*cl
, struct relay
*r
, int fd
, int pid
);
266 void uh_relay_close(struct relay
*r
, int ret
);
267 void uh_relay_free(struct relay
*r
);
269 struct env_var
*uh_get_process_vars(struct client
*cl
, struct path_info
*pi
);
270 bool uh_create_process(struct client
*cl
, struct path_info
*pi
, char *url
,
271 void (*cb
)(struct client
*cl
, struct path_info
*pi
, char *url
));
273 int uh_plugin_init(const char *name
);
274 void uh_plugin_post_init(void);