1 d5aba4c7 2020-12-24 op /*
  2 d5aba4c7 2020-12-24 op  * Copyright (c) 2020 Omar Polo <op@omarpolo.com>
  3 d5aba4c7 2020-12-24 op  *
  4 d5aba4c7 2020-12-24 op  * Permission to use, copy, modify, and distribute this software for any
  5 d5aba4c7 2020-12-24 op  * purpose with or without fee is hereby granted, provided that the above
  6 d5aba4c7 2020-12-24 op  * copyright notice and this permission notice appear in all copies.
  7 d5aba4c7 2020-12-24 op  *
  8 d5aba4c7 2020-12-24 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9 d5aba4c7 2020-12-24 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10 d5aba4c7 2020-12-24 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11 d5aba4c7 2020-12-24 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12 d5aba4c7 2020-12-24 op  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13 d5aba4c7 2020-12-24 op  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14 d5aba4c7 2020-12-24 op  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15 d5aba4c7 2020-12-24 op  */
 16 d5aba4c7 2020-12-24 op 
 17 488f059a 2020-12-24 op #ifndef GMID_H
 18 488f059a 2020-12-24 op #define GMID_H
 19 52418c8d 2021-02-12 op 
 20 52418c8d 2021-02-12 op #include "config.h"
 21 488f059a 2020-12-24 op 
 22 252908e6 2021-01-24 op #include <sys/socket.h>
 23 252908e6 2021-01-24 op #include <sys/types.h>
 24 252908e6 2021-01-24 op 
 25 488f059a 2020-12-24 op #include <arpa/inet.h>
 26 488f059a 2020-12-24 op #include <netinet/in.h>
 27 488f059a 2020-12-24 op 
 28 252908e6 2021-01-24 op #include <dirent.h>
 29 8ad1c570 2021-05-09 op #include <event.h>
 30 bc99d868 2021-03-19 op #include <limits.h>
 31 bc99d868 2021-03-19 op #include <netdb.h>
 32 ca21e100 2021-02-04 op #include <signal.h>
 33 488f059a 2020-12-24 op #include <stdio.h>
 34 488f059a 2020-12-24 op #include <stdlib.h>
 35 b63e30ff 2021-02-07 op #include <time.h>
 36 488f059a 2020-12-24 op #include <tls.h>
 37 488f059a 2020-12-24 op #include <unistd.h>
 38 488f059a 2020-12-24 op 
 39 02be96c6 2021-02-09 op #include <openssl/x509.h>
 40 02be96c6 2021-02-09 op 
 41 488f059a 2020-12-24 op #define GEMINI_URL_LEN (1024+3)	/* URL max len + \r\n + \0 */
 42 488f059a 2020-12-24 op 
 43 488f059a 2020-12-24 op #define SUCCESS		20
 44 0be51733 2021-01-20 op #define TEMP_REDIRECT	30
 45 488f059a 2020-12-24 op #define TEMP_FAILURE	40
 46 35744950 2021-02-01 op #define CGI_ERROR	42
 47 488f059a 2020-12-24 op #define NOT_FOUND	51
 48 7b1d9790 2021-01-11 op #define PROXY_REFUSED	53
 49 488f059a 2020-12-24 op #define BAD_REQUEST	59
 50 02be96c6 2021-02-09 op #define CLIENT_CERT_REQ	60
 51 02be96c6 2021-02-09 op #define CERT_NOT_AUTH	61
 52 488f059a 2020-12-24 op 
 53 488f059a 2020-12-24 op #define MAX_USERS	64
 54 488f059a 2020-12-24 op 
 55 35cf19e3 2021-01-28 op /* maximum hostname and label length, +1 for the NUL-terminator */
 56 35cf19e3 2021-01-28 op #define DOMAIN_NAME_LEN	(253+1)
 57 35cf19e3 2021-01-28 op #define LABEL_LEN	(63+1)
 58 2c3e53da 2021-03-03 op 
 59 8ad1c570 2021-05-09 op #define FCGI_MAX	32
 60 2c3e53da 2021-03-03 op #define PROC_MAX	16
 61 3300cbe0 2021-01-27 op 
 62 8ad1c570 2021-05-09 op struct fcgi {
 63 8ad1c570 2021-05-09 op 	int		 id;
 64 8ad1c570 2021-05-09 op 	char		*path;
 65 8ad1c570 2021-05-09 op 	char		*port;
 66 8ad1c570 2021-05-09 op 	char		*prog;
 67 8ad1c570 2021-05-09 op 	int		 fd;
 68 8ad1c570 2021-05-09 op 	struct event	 e;
 69 8ad1c570 2021-05-09 op 
 70 8ad1c570 2021-05-09 op #define FCGI_OFF	0
 71 8ad1c570 2021-05-09 op #define FCGI_INFLIGHT	1
 72 8ad1c570 2021-05-09 op #define FCGI_READY	2
 73 8ad1c570 2021-05-09 op 	int		 s;
 74 8ad1c570 2021-05-09 op };
 75 8ad1c570 2021-05-09 op extern struct fcgi fcgi[FCGI_MAX];
 76 8ad1c570 2021-05-09 op 
 77 b8e64ccd 2021-03-31 op TAILQ_HEAD(lochead, location);
 78 c8b74339 2021-01-24 op struct location {
 79 fe5967cd 2021-01-27 op 	const char	*match;
 80 fe5967cd 2021-01-27 op 	const char	*lang;
 81 fe5967cd 2021-01-27 op 	const char	*default_mime;
 82 fe5967cd 2021-01-27 op 	const char	*index;
 83 252908e6 2021-01-24 op 	int		 auto_index; /* 0 auto, -1 off, 1 on */
 84 6abda252 2021-02-06 op 	int		 block_code;
 85 6abda252 2021-02-06 op 	const char	*block_fmt;
 86 6abda252 2021-02-06 op 	int		 strip;
 87 02be96c6 2021-02-09 op 	X509_STORE	*reqca;
 88 793835cb 2021-02-23 op 	int		 disable_log;
 89 8ad1c570 2021-05-09 op 	int		 fcgi;
 90 fdea6aa0 2021-04-30 op 
 91 fdea6aa0 2021-04-30 op 	const char	*dir;
 92 fdea6aa0 2021-04-30 op 	int		 dirfd;
 93 b8e64ccd 2021-03-31 op 
 94 b8e64ccd 2021-03-31 op 	TAILQ_ENTRY(location) locations;
 95 c8b74339 2021-01-24 op };
 96 c8b74339 2021-01-24 op 
 97 9cc630aa 2021-04-28 op TAILQ_HEAD(envhead, envlist);
 98 9cc630aa 2021-04-28 op struct envlist {
 99 9cc630aa 2021-04-28 op 	char		*name;
100 9cc630aa 2021-04-28 op 	char		*value;
101 9cc630aa 2021-04-28 op 	TAILQ_ENTRY(envlist) envs;
102 9cc630aa 2021-04-28 op };
103 9cc630aa 2021-04-28 op 
104 cc8c2901 2021-04-29 op TAILQ_HEAD(aliashead, alist);
105 cc8c2901 2021-04-29 op struct alist {
106 cc8c2901 2021-04-29 op 	char		*alias;
107 cc8c2901 2021-04-29 op 	TAILQ_ENTRY(alist) aliases;
108 cc8c2901 2021-04-29 op };
109 cc8c2901 2021-04-29 op 
110 b8e64ccd 2021-03-31 op extern TAILQ_HEAD(vhosthead, vhost) hosts;
111 15902770 2021-01-15 op struct vhost {
112 15902770 2021-01-15 op 	const char	*domain;
113 15902770 2021-01-15 op 	const char	*cert;
114 15902770 2021-01-15 op 	const char	*key;
115 15902770 2021-01-15 op 	const char	*cgi;
116 e3ddf390 2021-02-06 op 	const char	*entrypoint;
117 b8e64ccd 2021-03-31 op 
118 b8e64ccd 2021-03-31 op 	TAILQ_ENTRY(vhost) vhosts;
119 6016a593 2021-01-30 op 
120 6016a593 2021-01-30 op 	/* the first location rule is always '*' and holds the default
121 b8e64ccd 2021-03-31 op 	 * settings for the vhost, then follows the "real" location
122 b8e64ccd 2021-03-31 op 	 * rules as specified in the configuration. */
123 b8e64ccd 2021-03-31 op 	struct lochead	 locations;
124 9cc630aa 2021-04-28 op 
125 9cc630aa 2021-04-28 op 	struct envhead	 env;
126 cc8c2901 2021-04-29 op 	struct aliashead aliases;
127 15902770 2021-01-15 op };
128 15902770 2021-01-15 op 
129 a010b0dd 2021-01-18 op struct etm {			/* extension to mime */
130 a010b0dd 2021-01-18 op 	const char	*mime;
131 a010b0dd 2021-01-18 op 	const char	*ext;
132 a010b0dd 2021-01-18 op };
133 a010b0dd 2021-01-18 op 
134 b2a6b613 2021-01-21 op struct mime {
135 a010b0dd 2021-01-18 op 	struct etm	*t;
136 a010b0dd 2021-01-18 op 	size_t		len;
137 a010b0dd 2021-01-18 op 	size_t		cap;
138 a010b0dd 2021-01-18 op };
139 a010b0dd 2021-01-18 op 
140 15902770 2021-01-15 op struct conf {
141 3abf91b0 2021-02-07 op 	/* from command line */
142 3abf91b0 2021-02-07 op 	int		 foreground;
143 3abf91b0 2021-02-07 op 	int		 verbose;
144 3abf91b0 2021-02-07 op 
145 3abf91b0 2021-02-07 op 	/* in the config */
146 ae08ec7d 2021-01-25 op 	int		 port;
147 ae08ec7d 2021-01-25 op 	int		 ipv6;
148 ae08ec7d 2021-01-25 op 	uint32_t	 protos;
149 ae08ec7d 2021-01-25 op 	struct mime	 mime;
150 ae08ec7d 2021-01-25 op 	char		*chroot;
151 ae08ec7d 2021-01-25 op 	char		*user;
152 a709ddf5 2021-02-07 op 	int		 prefork;
153 15902770 2021-01-15 op };
154 15902770 2021-01-15 op 
155 d090dc84 2021-02-08 op extern const char *config_path;
156 15902770 2021-01-15 op extern struct conf conf;
157 376a5407 2021-02-23 op 
158 bc99d868 2021-03-19 op extern struct imsgbuf logibuf, exibuf, servibuf[PROC_MAX];
159 15902770 2021-01-15 op 
160 2c3e53da 2021-03-03 op extern int servpipes[PROC_MAX];
161 2c3e53da 2021-03-03 op 
162 0be51733 2021-01-20 op struct iri {
163 0be51733 2021-01-20 op 	char		*schema;
164 0be51733 2021-01-20 op 	char		*host;
165 0be51733 2021-01-20 op 	char		*port;
166 0be51733 2021-01-20 op 	uint16_t	 port_no;
167 0be51733 2021-01-20 op 	char		*path;
168 0be51733 2021-01-20 op 	char		*query;
169 0be51733 2021-01-20 op 	char		*fragment;
170 0be51733 2021-01-20 op };
171 0be51733 2021-01-20 op 
172 0be51733 2021-01-20 op struct parser {
173 0be51733 2021-01-20 op 	char		*iri;
174 0be51733 2021-01-20 op 	struct iri	*parsed;
175 0be51733 2021-01-20 op 	const char	*err;
176 0be51733 2021-01-20 op };
177 0be51733 2021-01-20 op 
178 8ad1c570 2021-05-09 op struct mbuf {
179 8ad1c570 2021-05-09 op 	size_t			len;
180 8ad1c570 2021-05-09 op 	size_t			off;
181 8ad1c570 2021-05-09 op 	TAILQ_ENTRY(mbuf)	mbufs;
182 8ad1c570 2021-05-09 op 	char			data[];
183 8ad1c570 2021-05-09 op };
184 8ad1c570 2021-05-09 op TAILQ_HEAD(mbufhead, mbuf);
185 488f059a 2020-12-24 op 
186 bc99d868 2021-03-19 op typedef void (imsg_handlerfn)(struct imsgbuf*, struct imsg*, size_t);
187 bc99d868 2021-03-19 op 
188 abc007d2 2021-02-08 op typedef void (*statefn)(int, short, void*);
189 112802ea 2021-02-01 op 
190 92da8285 2021-02-01 op /*
191 92da8285 2021-02-01 op  * DFA: handle_handshake is the initial state, close_conn the final.
192 5f715ce4 2021-02-02 op  * Sometimes we have an enter_* function to handle the state switch.
193 92da8285 2021-02-01 op  *
194 92da8285 2021-02-01 op  * handle_handshake -> handle_open_conn
195 92da8285 2021-02-01 op  * handle_handshake -> close_conn		// on err
196 92da8285 2021-02-01 op  *
197 35744950 2021-02-01 op  * handle_open_conn -> handle_cgi_reply		// via open_file/dir/...
198 8ad1c570 2021-05-09 op  * handle_open_conn -> send_fcgi_req		// via apply_fastcgi, IMSG_FCGI_FD
199 5f715ce4 2021-02-02 op  * handle_open_conn -> handle_dirlist		// ...same
200 92da8285 2021-02-01 op  * handle_open_conn -> send_file		// ...same
201 35744950 2021-02-01 op  * handle_open_conn -> start_reply		// on error
202 92da8285 2021-02-01 op  *
203 35744950 2021-02-01 op  * handle_cgi_reply -> handle_cgi	// after logging the CGI reply
204 35744950 2021-02-01 op  * handle_cgi_reply -> start_reply	// on error
205 35744950 2021-02-01 op  *
206 92da8285 2021-02-01 op  * handle_cgi -> close_conn
207 5f715ce4 2021-02-02 op  *
208 8ad1c570 2021-05-09 op  * send_fcgi_req -> copy_mbuf		// via handle_fcgi
209 8ad1c570 2021-05-09 op  * handle_fcgi -> close_all		// on error
210 8ad1c570 2021-05-09 op  * copy_mbuf -> close_conn		// on success/error
211 8ad1c570 2021-05-09 op  *
212 5f715ce4 2021-02-02 op  * handle_dirlist -> send_directory_listing
213 5f715ce4 2021-02-02 op  * handle_dirlist -> close_conn			// on error
214 92da8285 2021-02-01 op  *
215 92da8285 2021-02-01 op  * send_directory_listing -> close_conn
216 92da8285 2021-02-01 op  *
217 92da8285 2021-02-01 op  * send_file -> close_conn
218 92da8285 2021-02-01 op  */
219 488f059a 2020-12-24 op struct client {
220 bc99d868 2021-03-19 op 	int		 id;
221 488f059a 2020-12-24 op 	struct tls	*ctx;
222 0be51733 2021-01-20 op 	char		 req[GEMINI_URL_LEN];
223 0be51733 2021-01-20 op 	struct iri	 iri;
224 3300cbe0 2021-01-27 op 	char		 domain[DOMAIN_NAME_LEN];
225 8ad1c570 2021-05-09 op 
226 8ad1c570 2021-05-09 op 	/*
227 8ad1c570 2021-05-09 op 	 * start_reply uses this to know what function call after the
228 8ad1c570 2021-05-09 op 	 * reply.  It's also used as sentinel value in fastcgi to know
229 8ad1c570 2021-05-09 op 	 * if the server has closed the request.
230 8ad1c570 2021-05-09 op 	 */
231 abc007d2 2021-02-08 op 	statefn		 next;
232 8ad1c570 2021-05-09 op 
233 488f059a 2020-12-24 op 	int		 code;
234 488f059a 2020-12-24 op 	const char	*meta;
235 abc007d2 2021-02-08 op 	int		 fd, pfd;
236 11c98667 2021-04-25 op 	struct dirent	**dir;
237 11c98667 2021-04-25 op 	int		 dirlen, diroff;
238 8ad1c570 2021-05-09 op 	int		 fcgi;
239 c836cdfa 2021-03-29 op 
240 c836cdfa 2021-03-29 op 	/* big enough to store STATUS + SPACE + META + CRLF */
241 c836cdfa 2021-03-29 op 	char		 sbuf[1029];
242 27b2fa9a 2021-02-12 op 	ssize_t		 len, off;
243 c836cdfa 2021-03-29 op 
244 8ad1c570 2021-05-09 op 	struct mbufhead	 mbufhead;
245 8ad1c570 2021-05-09 op 
246 709d6e5e 2021-01-10 op 	struct sockaddr_storage	 addr;
247 bc99d868 2021-03-19 op 	struct vhost	*host;	/* host they're talking to */
248 1feaf2a6 2021-05-15 op 	size_t		 loc;	/* location matched */
249 488f059a 2020-12-24 op };
250 488f059a 2020-12-24 op 
251 8ad1c570 2021-05-09 op extern struct client clients[MAX_USERS];
252 8ad1c570 2021-05-09 op 
253 bc99d868 2021-03-19 op struct cgireq {
254 bc99d868 2021-03-19 op 	char		buf[GEMINI_URL_LEN];
255 bc99d868 2021-03-19 op 
256 bc99d868 2021-03-19 op 	size_t		iri_schema_off;
257 bc99d868 2021-03-19 op 	size_t		iri_host_off;
258 bc99d868 2021-03-19 op 	size_t		iri_port_off;
259 bc99d868 2021-03-19 op 	size_t		iri_path_off;
260 bc99d868 2021-03-19 op 	size_t		iri_query_off;
261 bc99d868 2021-03-19 op 	size_t		iri_fragment_off;
262 bc99d868 2021-03-19 op 	int		iri_portno;
263 bc99d868 2021-03-19 op 
264 bc99d868 2021-03-19 op 	char		spath[PATH_MAX+1];
265 bc99d868 2021-03-19 op 	char		relpath[PATH_MAX+1];
266 bc99d868 2021-03-19 op 	char		addr[NI_MAXHOST+1];
267 bc99d868 2021-03-19 op 
268 bc99d868 2021-03-19 op 	/* AFAIK there isn't an upper limit for these two fields. */
269 bc99d868 2021-03-19 op 	char		subject[64+1];
270 bc99d868 2021-03-19 op 	char		issuer[64+1];
271 bc99d868 2021-03-19 op 
272 bc99d868 2021-03-19 op 	char		hash[128+1];
273 89541eee 2021-04-13 op 	char		version[8];
274 89541eee 2021-04-13 op 	char		cipher[32];
275 89541eee 2021-04-13 op 	int		cipher_strength;
276 bc99d868 2021-03-19 op 	time_t		notbefore;
277 bc99d868 2021-03-19 op 	time_t		notafter;
278 bc99d868 2021-03-19 op 
279 bc99d868 2021-03-19 op 	size_t		host_off;
280 fdea6aa0 2021-04-30 op 	size_t		loc_off;
281 bc99d868 2021-03-19 op };
282 bc99d868 2021-03-19 op 
283 488f059a 2020-12-24 op enum {
284 488f059a 2020-12-24 op 	FILE_EXISTS,
285 488f059a 2020-12-24 op 	FILE_EXECUTABLE,
286 488f059a 2020-12-24 op 	FILE_DIRECTORY,
287 488f059a 2020-12-24 op 	FILE_MISSING,
288 488f059a 2020-12-24 op };
289 488f059a 2020-12-24 op 
290 bc99d868 2021-03-19 op enum imsg_type {
291 bc99d868 2021-03-19 op 	IMSG_CGI_REQ,
292 bc99d868 2021-03-19 op 	IMSG_CGI_RES,
293 8ad1c570 2021-05-09 op 	IMSG_FCGI_REQ,
294 8ad1c570 2021-05-09 op 	IMSG_FCGI_FD,
295 bc99d868 2021-03-19 op 	IMSG_LOG,
296 bc99d868 2021-03-19 op 	IMSG_QUIT,
297 bc99d868 2021-03-19 op };
298 bc99d868 2021-03-19 op 
299 33d32d1f 2020-12-25 op /* gmid.c */
300 8443bff7 2021-01-25 op char		*data_dir(void);
301 8443bff7 2021-01-25 op void		 load_local_cert(const char*, const char*);
302 ae08ec7d 2021-01-25 op void		 load_vhosts(void);
303 33ac26a0 2021-01-21 op int		 make_socket(int, int);
304 ae08ec7d 2021-01-25 op void		 setup_tls(void);
305 c8b74339 2021-01-24 op void		 init_config(void);
306 ca21e100 2021-02-04 op void		 free_config(void);
307 ae08ec7d 2021-01-25 op void		 drop_priv(void);
308 488f059a 2020-12-24 op 
309 f7b816dc 2021-01-15 op /* provided by lex/yacc */
310 15902770 2021-01-15 op extern FILE *yyin;
311 15902770 2021-01-15 op extern int yylineno;
312 15902770 2021-01-15 op extern int yyparse(void);
313 15902770 2021-01-15 op extern int yylex(void);
314 15902770 2021-01-15 op 
315 6abda252 2021-02-06 op void		 yyerror(const char*, ...);
316 13ed2fb6 2021-01-27 op int		 parse_portno(const char*);
317 13ed2fb6 2021-01-27 op void		 parse_conf(const char*);
318 13ed2fb6 2021-01-27 op 
319 3abf91b0 2021-02-07 op /* log.c */
320 3abf91b0 2021-02-07 op void		 fatal(const char*, ...)
321 3abf91b0 2021-02-07 op 	__attribute__((format (printf, 1, 2)))
322 3abf91b0 2021-02-07 op 	__attribute__((__noreturn__));
323 3abf91b0 2021-02-07 op 
324 3abf91b0 2021-02-07 op #define LOG_ATTR_FMT __attribute__((format (printf, 2, 3)))
325 3abf91b0 2021-02-07 op void		 log_err(struct client*, const char*, ...)	LOG_ATTR_FMT;
326 3abf91b0 2021-02-07 op void		 log_warn(struct client*, const char*, ...)	LOG_ATTR_FMT;
327 3abf91b0 2021-02-07 op void		 log_notice(struct client*, const char*, ...)	LOG_ATTR_FMT;
328 3abf91b0 2021-02-07 op void		 log_info(struct client*, const char*, ...)	LOG_ATTR_FMT;
329 3abf91b0 2021-02-07 op void		 log_debug(struct client*, const char*, ...)	LOG_ATTR_FMT;
330 3abf91b0 2021-02-07 op void		 log_request(struct client*, char*, size_t);
331 376a5407 2021-02-23 op int		 logger_main(int, struct imsgbuf*);
332 3abf91b0 2021-02-07 op 
333 0fbe79b3 2021-01-18 op /* mime.c */
334 b2a6b613 2021-01-21 op void		 init_mime(struct mime*);
335 b2a6b613 2021-01-21 op void		 add_mime(struct mime*, const char*, const char*);
336 b2a6b613 2021-01-21 op void		 load_default_mime(struct mime*);
337 6119e13e 2021-01-19 op const char	*mime(struct vhost*, const char*);
338 0fbe79b3 2021-01-18 op 
339 d3a08f4d 2021-01-17 op /* server.c */
340 c8b74339 2021-01-24 op const char	*vhost_lang(struct vhost*, const char*);
341 c8b74339 2021-01-24 op const char	*vhost_default_mime(struct vhost*, const char*);
342 c8b74339 2021-01-24 op const char	*vhost_index(struct vhost*, const char*);
343 252908e6 2021-01-24 op int		 vhost_auto_index(struct vhost*, const char*);
344 6abda252 2021-02-06 op int		 vhost_block_return(struct vhost*, const char*, int*, const char**);
345 8ad1c570 2021-05-09 op int		 vhost_fastcgi(struct vhost*, const char*);
346 1feaf2a6 2021-05-15 op int		 vhost_dirfd(struct vhost*, const char*, size_t*);
347 6abda252 2021-02-06 op int		 vhost_strip(struct vhost*, const char*);
348 02be96c6 2021-02-09 op X509_STORE	*vhost_require_ca(struct vhost*, const char*);
349 793835cb 2021-02-23 op int		 vhost_disable_log(struct vhost*, const char*);
350 8ad1c570 2021-05-09 op 
351 9b8f5ed2 2021-02-03 op void		 mark_nonblock(int);
352 8ad1c570 2021-05-09 op void		 start_reply(struct client*, int, const char*);
353 8ad1c570 2021-05-09 op void		 close_conn(int, short, void*);
354 8ad1c570 2021-05-09 op struct client	*try_client_by_id(int);
355 bc99d868 2021-03-19 op void		 loop(struct tls*, int, int, struct imsgbuf*);
356 d3a08f4d 2021-01-17 op 
357 11c98667 2021-04-25 op /* dirs.c */
358 11c98667 2021-04-25 op int		 scandir_fd(int, struct dirent***, int(*)(const struct dirent*),
359 11c98667 2021-04-25 op 		    int(*)(const struct dirent**, const struct dirent**));
360 11c98667 2021-04-25 op int		 select_non_dot(const struct dirent*);
361 11c98667 2021-04-25 op int		 select_non_dotdot(const struct dirent*);
362 11c98667 2021-04-25 op 
363 881a9dd9 2021-01-16 op /* ex.c */
364 881a9dd9 2021-01-16 op int		 send_string(int, const char*);
365 881a9dd9 2021-01-16 op int		 recv_string(int, char**);
366 2fafa2d2 2021-02-01 op int		 send_iri(int, struct iri*);
367 2fafa2d2 2021-02-01 op int		 recv_iri(int, struct iri*);
368 2fafa2d2 2021-02-01 op void		 free_recvd_iri(struct iri*);
369 881a9dd9 2021-01-16 op int		 send_vhost(int, struct vhost*);
370 881a9dd9 2021-01-16 op int		 recv_vhost(int, struct vhost**);
371 b63e30ff 2021-02-07 op int		 send_time(int, time_t);
372 b63e30ff 2021-02-07 op int		 recv_time(int, time_t*);
373 881a9dd9 2021-01-16 op int		 send_fd(int, int);
374 881a9dd9 2021-01-16 op int		 recv_fd(int);
375 bc99d868 2021-03-19 op int		 executor_main(struct imsgbuf*);
376 881a9dd9 2021-01-16 op 
377 8ad1c570 2021-05-09 op /* fcgi.c */
378 8ad1c570 2021-05-09 op void		 handle_fcgi(int, short, void*);
379 8ad1c570 2021-05-09 op void		 send_fcgi_req(struct fcgi*, struct client*);
380 8ad1c570 2021-05-09 op 
381 dafb57b8 2021-01-15 op /* sandbox.c */
382 62e001b0 2021-03-20 op void		 sandbox_server_process(void);
383 62e001b0 2021-03-20 op void		 sandbox_executor_process(void);
384 62e001b0 2021-03-20 op void		 sandbox_logger_process(void);
385 dafb57b8 2021-01-15 op 
386 ef04b551 2021-01-09 op /* utf8.c */
387 ef04b551 2021-01-09 op int		 valid_multibyte_utf8(struct parser*);
388 3300cbe0 2021-01-27 op char		*utf8_nth(char*, size_t);
389 ef04b551 2021-01-09 op 
390 3c1cf9d0 2021-01-11 op /* iri.c */
391 3c1cf9d0 2021-01-11 op int		 parse_iri(char*, struct iri*, const char**);
392 c4f682f8 2021-01-27 op int		 trim_req_iri(char*, const char **);
393 2fafa2d2 2021-02-01 op int		 serialize_iri(struct iri*, char*, size_t);
394 9f006a21 2021-02-07 op char		*pct_decode_str(char *);
395 33d32d1f 2020-12-25 op 
396 3300cbe0 2021-01-27 op /* puny.c */
397 a2fd8013 2021-01-29 op int		 puny_decode(const char*, char*, size_t, const char**);
398 3300cbe0 2021-01-27 op 
399 44ee1bac 2021-01-27 op /* utils.c */
400 ca21e100 2021-02-04 op void		 block_signals(void);
401 ca21e100 2021-02-04 op void		 unblock_signals(void);
402 44ee1bac 2021-01-27 op int		 starts_with(const char*, const char*);
403 44ee1bac 2021-01-27 op int		 ends_with(const char*, const char*);
404 44ee1bac 2021-01-27 op ssize_t		 filesize(int);
405 2fafa2d2 2021-02-01 op char		*absolutify_path(const char*);
406 ca21e100 2021-02-04 op char		*xstrdup(const char*);
407 b8e64ccd 2021-03-31 op void		*xcalloc(size_t, size_t);
408 3abf91b0 2021-02-07 op void		 gen_certificate(const char*, const char*, const char*);
409 02be96c6 2021-02-09 op X509_STORE	*load_ca(const char*);
410 02be96c6 2021-02-09 op int		 validate_against_ca(X509_STORE*, const uint8_t*, size_t);
411 bc99d868 2021-03-19 op void		 dispatch_imsg(struct imsgbuf*, imsg_handlerfn**, size_t);
412 44ee1bac 2021-01-27 op 
413 488f059a 2020-12-24 op #endif