1 04e4e993 2023-08-14 op /*
 2 c2117f4b 2023-08-31 op  * This is free and unencumbered software released into the public domain.
 3 04e4e993 2023-08-14 op  *
 4 c2117f4b 2023-08-31 op  * Anyone is free to copy, modify, publish, use, compile, sell, or
 5 c2117f4b 2023-08-31 op  * distribute this software, either in source code form or as a compiled
 6 c2117f4b 2023-08-31 op  * binary, for any purpose, commercial or non-commercial, and by any
 7 c2117f4b 2023-08-31 op  * means.
 8 04e4e993 2023-08-14 op  *
 9 c2117f4b 2023-08-31 op  * In jurisdictions that recognize copyright laws, the author or authors
10 c2117f4b 2023-08-31 op  * of this software dedicate any and all copyright interest in the
11 c2117f4b 2023-08-31 op  * software to the public domain. We make this dedication for the benefit
12 c2117f4b 2023-08-31 op  * of the public at large and to the detriment of our heirs and
13 c2117f4b 2023-08-31 op  * successors. We intend this dedication to be an overt act of
14 c2117f4b 2023-08-31 op  * relinquishment in perpetuity of all present and future rights to this
15 c2117f4b 2023-08-31 op  * software under copyright law.
16 c2117f4b 2023-08-31 op  *
17 c2117f4b 2023-08-31 op  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 c2117f4b 2023-08-31 op  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 c2117f4b 2023-08-31 op  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 c2117f4b 2023-08-31 op  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 c2117f4b 2023-08-31 op  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 c2117f4b 2023-08-31 op  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 c2117f4b 2023-08-31 op  * OTHER DEALINGS IN THE SOFTWARE.
24 04e4e993 2023-08-14 op  */
25 04e4e993 2023-08-14 op 
26 04e4e993 2023-08-14 op enum http_method {
27 04e4e993 2023-08-14 op 	METHOD_UNKNOWN,
28 04e4e993 2023-08-14 op 	METHOD_GET,
29 04e4e993 2023-08-14 op 	METHOD_POST,
30 04e4e993 2023-08-14 op };
31 04e4e993 2023-08-14 op 
32 c83e450a 2023-08-14 op enum http_version {
33 c83e450a 2023-08-14 op 	HTTP_1_0,
34 c83e450a 2023-08-14 op 	HTTP_1_1,
35 c83e450a 2023-08-14 op };
36 c83e450a 2023-08-14 op 
37 3634fa70 2023-08-31 op struct bufio;
38 04e4e993 2023-08-14 op 
39 3634fa70 2023-08-31 op struct request {
40 04e4e993 2023-08-14 op 	char	*path;
41 04e4e993 2023-08-14 op 	int	 method;
42 c83e450a 2023-08-14 op 	int	 version;
43 b42d807f 2023-09-02 op 	char	*secret;
44 04e4e993 2023-08-14 op 	char	*ctype;
45 3634fa70 2023-08-31 op 	char	*body;
46 04e4e993 2023-08-14 op 	size_t	 clen;
47 b42d807f 2023-09-02 op 
48 b42d807f 2023-09-02 op #define R_CONNUPGR  0x01
49 b42d807f 2023-09-02 op #define R_UPGRADEWS 0x02
50 b42d807f 2023-09-02 op #define R_WSVERSION 0x04
51 b42d807f 2023-09-02 op 	int	 flags;
52 04e4e993 2023-08-14 op };
53 04e4e993 2023-08-14 op 
54 3634fa70 2023-08-31 op struct client;
55 3634fa70 2023-08-31 op typedef void (*route_fn)(struct client *);
56 3634fa70 2023-08-31 op 
57 b42d807f 2023-09-02 op TAILQ_HEAD(clthead, client);
58 3634fa70 2023-08-31 op struct client {
59 35cca6c5 2023-09-07 op 	char		*buf;
60 3634fa70 2023-08-31 op 	size_t		len;
61 35cca6c5 2023-09-07 op 	size_t		cap;
62 3634fa70 2023-08-31 op 	struct bufio	bio;
63 3634fa70 2023-08-31 op 	struct request	req;
64 3634fa70 2023-08-31 op 	int		err;
65 3634fa70 2023-08-31 op 	int		chunked;
66 b42d807f 2023-09-02 op 	int		ws;		/* if talking ws:// */
67 3634fa70 2023-08-31 op 	int		reqdone;	/* done parsing the request */
68 3634fa70 2023-08-31 op 	int		done;		/* done handling the client */
69 3634fa70 2023-08-31 op 	route_fn	route;
70 b42d807f 2023-09-02 op 
71 b42d807f 2023-09-02 op 	TAILQ_ENTRY(client) clients;
72 04e4e993 2023-08-14 op };
73 04e4e993 2023-08-14 op 
74 3634fa70 2023-08-31 op int	http_init(struct client *, int);
75 3634fa70 2023-08-31 op int	http_parse(struct client *);
76 3634fa70 2023-08-31 op int	http_read(struct client *);
77 2216d3fb 2023-09-07 op void	http_postdata(struct client *, char **, size_t *);
78 3634fa70 2023-08-31 op int	http_reply(struct client *, int, const char *, const char *);
79 3634fa70 2023-08-31 op int	http_flush(struct client *);
80 3634fa70 2023-08-31 op int	http_write(struct client *, const char *, size_t);
81 3634fa70 2023-08-31 op int	http_writes(struct client *, const char *);
82 3634fa70 2023-08-31 op int	http_fmt(struct client *, const char *, ...);
83 3634fa70 2023-08-31 op int	http_urlescape(struct client *, const char *);
84 3634fa70 2023-08-31 op int	http_htmlescape(struct client *, const char *);
85 3634fa70 2023-08-31 op int	http_close(struct client *);
86 3634fa70 2023-08-31 op void	http_free(struct client *);