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;
63 struct list_head list;
82 enum http_method method;
83 enum http_version version;
87 uint8_t transfer_chunked;
88 const struct auth_realm *realm;
100 struct list_head list;
114 const struct interpreter *ip;
123 struct ustream_fd sfd;
124 struct uloop_process proc;
131 void (*header_cb)(struct relay *r, const char *name, const char *value);
132 void (*header_end)(struct relay *r);
133 void (*close)(struct relay *r, int ret);
136 struct dispatch_proc {
138 struct uloop_fd wrfd;
144 struct dispatch_handler {
145 struct list_head list;
147 bool (*check_url)(const char *url);
148 bool (*check_path)(struct path_info *pi, const char *url);
149 void (*handle_request)(struct client *cl, const char *url, struct path_info *pi);
153 int (*data_send)(struct client *cl, const char *data, int len);
154 void (*data_done)(struct client *cl);
155 void (*write_cb)(struct client *cl);
156 void (*close_fds)(struct client *cl);
157 void (*free)(struct client *cl);
162 struct blob_attr **hdr;
165 struct dispatch_proc proc;
170 struct list_head list;
174 struct ustream_fd sfd;
176 struct ustream_ssl ssl;
178 struct uloop_timeout timeout;
180 enum client_state state;
183 struct http_request request;
184 struct uh_addr srv_addr, peer_addr;
187 struct dispatch dispatch;
190 extern char uh_buf[4096];
191 extern int n_clients;
192 extern struct config conf;
193 extern const char * const http_versions[];
194 extern const char * const http_methods[];
195 extern struct dispatch_handler cgi_dispatch;
197 void uh_index_add(const char *filename);
199 bool uh_accept_client(int fd, bool tls);
201 void uh_unblock_listeners(void);
202 void uh_setup_listeners(void);
203 int uh_socket_bind(const char *host, const char *port, bool tls);
205 bool uh_use_chunked(struct client *cl);
206 void uh_chunk_write(struct client *cl, const void *data, int len);
207 void uh_chunk_vprintf(struct client *cl, const char *format, va_list arg);
210 uh_chunk_printf(struct client *cl, const char *format, ...);
212 void uh_chunk_eof(struct client *cl);
213 void uh_request_done(struct client *cl);
215 void uh_http_header(struct client *cl, int code, const char *summary);
217 uh_client_error(struct client *cl, int code, const char *summary, const char *fmt, ...);
219 void uh_handle_request(struct client *cl);
220 void client_poll_post_data(struct client *cl);
221 void uh_client_read_cb(struct client *cl);
222 void uh_client_notify_state(struct client *cl);
224 void uh_auth_add(const char *path, const char *user, const char *pass);
225 bool uh_auth_check(struct client *cl, struct path_info *pi);
227 void uh_close_listen_fds(void);
228 void uh_close_fds(void);
230 void uh_interpreter_add(const char *ext, const char *path);
231 void uh_dispatch_add(struct dispatch_handler *d);
233 void uh_relay_open(struct client *cl, struct relay *r, int fd, int pid);
234 void uh_relay_close(struct relay *r, int ret);
235 void uh_relay_free(struct relay *r);
237 struct env_var *uh_get_process_vars(struct client *cl, struct path_info *pi);
238 bool uh_create_process(struct client *cl, struct path_info *pi,
239 void (*cb)(struct client *cl, struct path_info *pi));