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>
33 #include <libubox/ustream-ssl.h>
38 #define UH_LIMIT_CLIENTS 64
40 #define __enum_header(_name) HDR_##_name,
41 #define __blobmsg_header(_name) [HDR_##_name] = { .name = #_name, .type = BLOBMSG_TYPE_STRING },
49 const char *error_handler
;
50 const char *cgi_prefix
;
52 const char *lua_handler
;
53 const char *lua_prefix
;
65 struct list_head list
;
84 enum http_method method
;
85 enum http_version version
;
89 uint8_t transfer_chunked
;
90 const struct auth_realm
*realm
;
102 struct list_head list
;
116 const struct interpreter
*ip
;
125 struct ustream_fd sfd
;
126 struct uloop_process proc
;
133 void (*header_cb
)(struct relay
*r
, const char *name
, const char *value
);
134 void (*header_end
)(struct relay
*r
);
135 void (*close
)(struct relay
*r
, int ret
);
138 struct dispatch_proc
{
140 struct uloop_fd wrfd
;
146 struct dispatch_handler
{
147 struct list_head list
;
149 bool (*check_url
)(const char *url
);
150 bool (*check_path
)(struct path_info
*pi
, const char *url
);
151 void (*handle_request
)(struct client
*cl
, const char *url
, struct path_info
*pi
);
155 int (*data_send
)(struct client
*cl
, const char *data
, int len
);
156 void (*data_done
)(struct client
*cl
);
157 void (*write_cb
)(struct client
*cl
);
158 void (*close_fds
)(struct client
*cl
);
159 void (*free
)(struct client
*cl
);
164 struct blob_attr
**hdr
;
167 struct dispatch_proc proc
;
172 struct list_head list
;
176 struct ustream_fd sfd
;
178 struct ustream_ssl ssl
;
180 struct uloop_timeout timeout
;
182 enum client_state state
;
185 struct http_request request
;
186 struct uh_addr srv_addr
, peer_addr
;
189 struct dispatch dispatch
;
192 extern char uh_buf
[4096];
193 extern int n_clients
;
194 extern struct config conf
;
195 extern const char * const http_versions
[];
196 extern const char * const http_methods
[];
197 extern struct dispatch_handler cgi_dispatch
;
199 void uh_index_add(const char *filename
);
201 bool uh_accept_client(int fd
, bool tls
);
203 void uh_unblock_listeners(void);
204 void uh_setup_listeners(void);
205 int uh_socket_bind(const char *host
, const char *port
, bool tls
);
207 bool uh_use_chunked(struct client
*cl
);
208 void uh_chunk_write(struct client
*cl
, const void *data
, int len
);
209 void uh_chunk_vprintf(struct client
*cl
, const char *format
, va_list arg
);
212 uh_chunk_printf(struct client
*cl
, const char *format
, ...);
214 void uh_chunk_eof(struct client
*cl
);
215 void uh_request_done(struct client
*cl
);
217 void uh_http_header(struct client
*cl
, int code
, const char *summary
);
219 uh_client_error(struct client
*cl
, int code
, const char *summary
, const char *fmt
, ...);
221 void uh_handle_request(struct client
*cl
);
222 void client_poll_post_data(struct client
*cl
);
223 void uh_client_read_cb(struct client
*cl
);
224 void uh_client_notify_state(struct client
*cl
);
226 void uh_auth_add(const char *path
, const char *user
, const char *pass
);
227 bool uh_auth_check(struct client
*cl
, struct path_info
*pi
);
229 void uh_close_listen_fds(void);
230 void uh_close_fds(void);
232 void uh_interpreter_add(const char *ext
, const char *path
);
233 void uh_dispatch_add(struct dispatch_handler
*d
);
235 void uh_relay_open(struct client
*cl
, struct relay
*r
, int fd
, int pid
);
236 void uh_relay_close(struct relay
*r
, int ret
);
237 void uh_relay_free(struct relay
*r
);
239 struct env_var
*uh_get_process_vars(struct client
*cl
, struct path_info
*pi
);
240 bool uh_create_process(struct client
*cl
, struct path_info
*pi
, const char *url
,
241 void (*cb
)(struct client
*cl
, struct path_info
*pi
, const char *url
));
243 int uh_plugin_init(const char *name
);