summaryrefslogtreecommitdiff
path: root/package/uhttpd/src/uhttpd.h
blob: 32e39700722c7c41488539ad1d197fa71a77f181 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
/*
 * uhttpd - Tiny single-threaded httpd - Main header
 *
 *   Copyright (C) 2010 Jo-Philipp Wich <xm@subsignal.org>
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

#ifndef _UHTTPD_

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/select.h>
#include <sys/wait.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <linux/limits.h>
#include <netdb.h>
#include <ctype.h>
#include <errno.h>
#include <dlfcn.h>


#ifdef HAVE_LUA
#include <lua.h>
#endif

#ifdef HAVE_TLS
#include <openssl/ssl.h>
#endif


#define UH_LIMIT_MSGHEAD	4096
#define UH_LIMIT_HEADERS	64

#define UH_LIMIT_LISTENERS	16
#define UH_LIMIT_CLIENTS	64
#define UH_LIMIT_AUTHREALMS	8

#define UH_HTTP_MSG_GET		0
#define UH_HTTP_MSG_HEAD	1
#define UH_HTTP_MSG_POST	2

struct listener;
struct client;
struct http_request;

struct config {
	char docroot[PATH_MAX];
	char *realm;
	char *file;
	int no_symlinks;
	int network_timeout;
#ifdef HAVE_CGI
	char *cgi_prefix;
#endif
#ifdef HAVE_LUA
	char *lua_prefix;
	char *lua_handler;
	lua_State * (*lua_init) (const char *handler);
	void (*lua_close) (lua_State *L);
	void (*lua_request) (struct client *cl, struct http_request *req, lua_State *L);
#endif
#if defined(HAVE_CGI) || defined(HAVE_LUA)
	int script_timeout;
#endif
#ifdef HAVE_TLS
	char *cert;
	char *key;
	SSL_CTX *tls;
	SSL_CTX * (*tls_init) (void);
	int (*tls_cert) (SSL_CTX *c, const char *file);
	int (*tls_key) (SSL_CTX *c, const char *file);
	void (*tls_free) (struct listener *l);
	void (*tls_accept) (struct client *c);
	void (*tls_close) (struct client *c);
	int (*tls_recv) (struct client *c, void *buf, int len);
	int (*tls_send) (struct client *c, void *buf, int len);
#endif
};

struct listener {
	int socket;
	struct sockaddr_in6 addr;
	struct config *conf;
#ifdef HAVE_TLS
	SSL_CTX *tls;
#endif
};

struct client {
	int socket;
	int peeklen;
	char peekbuf[UH_LIMIT_MSGHEAD];
	struct listener *server;
	struct sockaddr_in6 servaddr;
	struct sockaddr_in6 peeraddr;
#ifdef HAVE_TLS
	SSL *tls;
#endif
};

struct auth_realm {
	char path[PATH_MAX];
	char user[32];
	char pass[128];
};

struct http_request {
	int	method;
	float version;
	char *url;
	char *headers[UH_LIMIT_HEADERS];
	struct auth_realm *realm;
};

struct http_response {
	int statuscode;
	char *statusmsg;
	char *headers[UH_LIMIT_HEADERS];
};

#endif