2 * Copyright (c) 2020 Omar Polo <op@omarpolo.com>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include <arpa/inet.h>
21 #include <netinet/in.h>
31 # define pledge(a, b) 0
32 # define unveil(a, b) 0
39 #define GEMINI_URL_LEN (1024+3) /* URL max len + \r\n + \0 */
41 /* large enough to hold a copy of a gemini URL and still have extra room */
45 #define TEMP_FAILURE 40
47 #define BAD_REQUEST 59
63 int fd, waiting_on_child;
65 char sbuf[1024]; /* static buffer */
66 void *buf, *i; /* mmap buffer */
67 ssize_t len, off; /* mmap/static buffer */
96 void sig_handler(int);
97 int starts_with(const char*, const char*);
99 int start_reply(struct pollfd*, struct client*, int, const char*);
100 ssize_t filesize(int);
101 const char *path_ext(const char*);
102 const char *mime(const char*);
103 int check_path(struct client*, const char*, int*);
104 int check_for_cgi(char *, char*, struct pollfd*, struct client*);
105 int open_file(char*, char*, struct pollfd*, struct client*);
106 int start_cgi(const char*, const char*, const char*, struct pollfd*, struct client*);
107 void cgi_poll_on_child(struct pollfd*, struct client*);
108 void cgi_poll_on_client(struct pollfd*, struct client*);
109 void handle_cgi(struct pollfd*, struct client*);
110 void send_file(char*, char*, struct pollfd*, struct client*);
111 void send_dir(char*, struct pollfd*, struct client*);
112 void handle(struct pollfd*, struct client*);
114 void mark_nonblock(int);
116 void do_accept(int, struct tls*, struct pollfd*, struct client*);
117 void goodbye(struct pollfd*, struct client*);
118 void loop(struct tls*, int);
120 void usage(const char*);
123 int valid_multibyte_utf8(struct parser*);
126 int parse_uri(char*, struct uri*, const char**);
127 int trim_req_uri(char*);