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>
35 #define UH_LIMIT_CLIENTS 64
37 #define __enum_header(_name) HDR_##_name,
38 #define __blobmsg_header(_name) [HDR_##_name] = { .name = #_name, .type = BLOBMSG_TYPE_STRING },
46 const char *error_handler
;
47 const char *cgi_prefix
;
60 struct list_head list
;
79 enum http_method method
;
80 enum http_version version
;
84 uint8_t transfer_chunked
;
85 const struct auth_realm
*realm
;
97 struct list_head list
;
111 const struct interpreter
*ip
;
120 struct ustream_fd sfd
;
121 struct uloop_process proc
;
128 void (*header_cb
)(struct relay
*r
, const char *name
, const char *value
);
129 void (*header_end
)(struct relay
*r
);
130 void (*close
)(struct relay
*r
, int ret
);
133 struct dispatch_proc
{
135 struct uloop_fd wrfd
;
141 struct dispatch_handler
{
142 struct list_head list
;
144 bool (*check_url
)(const char *url
);
145 bool (*check_path
)(struct path_info
*pi
, const char *url
);
146 void (*handle_request
)(struct client
*cl
, const char *url
, struct path_info
*pi
);
150 int (*data_send
)(struct client
*cl
, const char *data
, int len
);
151 void (*data_done
)(struct client
*cl
);
152 void (*write_cb
)(struct client
*cl
);
153 void (*close_fds
)(struct client
*cl
);
154 void (*free
)(struct client
*cl
);
159 struct blob_attr
**hdr
;
162 struct dispatch_proc proc
;
167 struct list_head list
;
171 struct ustream_fd sfd
;
173 struct ustream_ssl stream_ssl
;
175 struct uloop_timeout timeout
;
177 enum client_state state
;
179 struct http_request request
;
180 struct uh_addr srv_addr
, peer_addr
;
183 struct dispatch dispatch
;
186 extern char uh_buf
[4096];
187 extern int n_clients
;
188 extern struct config conf
;
189 extern const char * const http_versions
[];
190 extern const char * const http_methods
[];
191 extern struct dispatch_handler cgi_dispatch
;
193 void uh_index_add(const char *filename
);
195 bool uh_accept_client(int fd
);
197 void uh_unblock_listeners(void);
198 void uh_setup_listeners(void);
199 int uh_socket_bind(const char *host
, const char *port
, bool tls
);
201 bool uh_use_chunked(struct client
*cl
);
202 void uh_chunk_write(struct client
*cl
, const void *data
, int len
);
203 void uh_chunk_vprintf(struct client
*cl
, const char *format
, va_list arg
);
206 uh_chunk_printf(struct client
*cl
, const char *format
, ...);
208 void uh_chunk_eof(struct client
*cl
);
209 void uh_request_done(struct client
*cl
);
211 void uh_http_header(struct client
*cl
, int code
, const char *summary
);
213 uh_client_error(struct client
*cl
, int code
, const char *summary
, const char *fmt
, ...);
215 void uh_handle_request(struct client
*cl
);
216 void client_poll_post_data(struct client
*cl
);
218 void uh_auth_add(const char *path
, const char *user
, const char *pass
);
219 bool uh_auth_check(struct client
*cl
, struct path_info
*pi
);
221 void uh_close_listen_fds(void);
222 void uh_close_fds(void);
224 void uh_interpreter_add(const char *ext
, const char *path
);
225 void uh_dispatch_add(struct dispatch_handler
*d
);
227 void uh_relay_open(struct client
*cl
, struct relay
*r
, int fd
, int pid
);
228 void uh_relay_close(struct relay
*r
, int ret
);
229 void uh_relay_free(struct relay
*r
);
231 struct env_var
*uh_get_process_vars(struct client
*cl
, struct path_info
*pi
);
232 bool uh_create_process(struct client
*cl
, struct path_info
*pi
,
233 void (*cb
)(struct client
*cl
, struct path_info
*pi
));