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Date:: Wed Dec 29 20:36:54 2021 UTC
Message:: add ability to proxy requests Add to gmid the ability to forwad a request to another gemini server and thus acting like a reverse proxy. The current syntax for the config file is server "example.com" { ... proxy relay-to host:port } Further options (like the use of custom certificates) are planned. cf. github issue #7
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  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 bc99d868 2021-03-19 op #include <limits.h>
 30 bc99d868 2021-03-19 op #include <netdb.h>
 31 ca21e100 2021-02-04 op #include <signal.h>
 32 488f059a 2020-12-24 op #include <stdio.h>
 33 488f059a 2020-12-24 op #include <stdlib.h>
 34 b63e30ff 2021-02-07 op #include <time.h>
 35 488f059a 2020-12-24 op #include <tls.h>
 36 488f059a 2020-12-24 op #include <unistd.h>
 37 488f059a 2020-12-24 op 
 38 02be96c6 2021-02-09 op #include <openssl/x509.h>
 39 efb6210d 2021-10-02 op 
 40 efb6210d 2021-10-02 op #if HAVE_EVENT2
 41 efb6210d 2021-10-02 op # include <event2/event.h>
 42 efb6210d 2021-10-02 op # include <event2/event_compat.h>
 43 efb6210d 2021-10-02 op # include <event2/event_struct.h>
 44 efb6210d 2021-10-02 op # include <event2/buffer.h>
 45 efb6210d 2021-10-02 op # include <event2/buffer_compat.h>
 46 efb6210d 2021-10-02 op # include <event2/bufferevent.h>
 47 efb6210d 2021-10-02 op # include <event2/bufferevent_struct.h>
 48 efb6210d 2021-10-02 op # include <event2/bufferevent_compat.h>
 49 efb6210d 2021-10-02 op #else
 50 efb6210d 2021-10-02 op # include <event.h>
 51 efb6210d 2021-10-02 op #endif
 52 ce2c9edb 2021-05-15 op 
 53 f361f799 2021-07-10 op #define GMID_STRING	"gmid " VERSION
 54 f361f799 2021-07-10 op #define GMID_VERSION	"gmid/" VERSION
 55 02be96c6 2021-02-09 op 
 56 488f059a 2020-12-24 op #define GEMINI_URL_LEN (1024+3)	/* URL max len + \r\n + \0 */
 57 488f059a 2020-12-24 op 
 58 488f059a 2020-12-24 op #define SUCCESS		20
 59 0be51733 2021-01-20 op #define TEMP_REDIRECT	30
 60 488f059a 2020-12-24 op #define TEMP_FAILURE	40
 61 35744950 2021-02-01 op #define CGI_ERROR	42
 62 72b033ef 2021-12-29 op #define PROXY_ERROR	43
 63 488f059a 2020-12-24 op #define NOT_FOUND	51
 64 7b1d9790 2021-01-11 op #define PROXY_REFUSED	53
 65 488f059a 2020-12-24 op #define BAD_REQUEST	59
 66 02be96c6 2021-02-09 op #define CLIENT_CERT_REQ	60
 67 02be96c6 2021-02-09 op #define CERT_NOT_AUTH	61
 68 488f059a 2020-12-24 op 
 69 35cf19e3 2021-01-28 op /* maximum hostname and label length, +1 for the NUL-terminator */
 70 35cf19e3 2021-01-28 op #define DOMAIN_NAME_LEN	(253+1)
 71 35cf19e3 2021-01-28 op #define LABEL_LEN	(63+1)
 72 2c3e53da 2021-03-03 op 
 73 8ad1c570 2021-05-09 op #define FCGI_MAX	32
 74 2c3e53da 2021-03-03 op #define PROC_MAX	16
 75 054387bb 2021-12-29 op 
 76 054387bb 2021-12-29 op struct iri {
 77 054387bb 2021-12-29 op 	char		*schema;
 78 054387bb 2021-12-29 op 	char		*host;
 79 054387bb 2021-12-29 op 	char		*port;
 80 054387bb 2021-12-29 op 	uint16_t	 port_no;
 81 054387bb 2021-12-29 op 	char		*path;
 82 054387bb 2021-12-29 op 	char		*query;
 83 054387bb 2021-12-29 op 	char		*fragment;
 84 054387bb 2021-12-29 op };
 85 054387bb 2021-12-29 op 
 86 054387bb 2021-12-29 op struct parser {
 87 054387bb 2021-12-29 op 	char		*iri;
 88 054387bb 2021-12-29 op 	struct iri	*parsed;
 89 054387bb 2021-12-29 op 	const char	*err;
 90 054387bb 2021-12-29 op };
 91 3300cbe0 2021-01-27 op 
 92 8ad1c570 2021-05-09 op struct fcgi {
 93 8ad1c570 2021-05-09 op 	int		 id;
 94 8ad1c570 2021-05-09 op 	char		*path;
 95 8ad1c570 2021-05-09 op 	char		*port;
 96 8ad1c570 2021-05-09 op 	char		*prog;
 97 8ad1c570 2021-05-09 op };
 98 8ad1c570 2021-05-09 op extern struct fcgi fcgi[FCGI_MAX];
 99 8ad1c570 2021-05-09 op 
100 b8e64ccd 2021-03-31 op TAILQ_HEAD(lochead, location);
101 c8b74339 2021-01-24 op struct location {
102 fe5967cd 2021-01-27 op 	const char	*match;
103 fe5967cd 2021-01-27 op 	const char	*lang;
104 fe5967cd 2021-01-27 op 	const char	*default_mime;
105 fe5967cd 2021-01-27 op 	const char	*index;
106 252908e6 2021-01-24 op 	int		 auto_index; /* 0 auto, -1 off, 1 on */
107 6abda252 2021-02-06 op 	int		 block_code;
108 6abda252 2021-02-06 op 	const char	*block_fmt;
109 6abda252 2021-02-06 op 	int		 strip;
110 02be96c6 2021-02-09 op 	X509_STORE	*reqca;
111 793835cb 2021-02-23 op 	int		 disable_log;
112 8ad1c570 2021-05-09 op 	int		 fcgi;
113 fdea6aa0 2021-04-30 op 
114 72b033ef 2021-12-29 op 	char		*proxy_host;
115 72b033ef 2021-12-29 op 	const char	*proxy_port;
116 72b033ef 2021-12-29 op 
117 fdea6aa0 2021-04-30 op 	const char	*dir;
118 fdea6aa0 2021-04-30 op 	int		 dirfd;
119 b8e64ccd 2021-03-31 op 
120 b8e64ccd 2021-03-31 op 	TAILQ_ENTRY(location) locations;
121 c8b74339 2021-01-24 op };
122 c8b74339 2021-01-24 op 
123 9cc630aa 2021-04-28 op TAILQ_HEAD(envhead, envlist);
124 9cc630aa 2021-04-28 op struct envlist {
125 9cc630aa 2021-04-28 op 	char		*name;
126 9cc630aa 2021-04-28 op 	char		*value;
127 9cc630aa 2021-04-28 op 	TAILQ_ENTRY(envlist) envs;
128 9cc630aa 2021-04-28 op };
129 9cc630aa 2021-04-28 op 
130 cc8c2901 2021-04-29 op TAILQ_HEAD(aliashead, alist);
131 cc8c2901 2021-04-29 op struct alist {
132 cc8c2901 2021-04-29 op 	char		*alias;
133 cc8c2901 2021-04-29 op 	TAILQ_ENTRY(alist) aliases;
134 cc8c2901 2021-04-29 op };
135 cc8c2901 2021-04-29 op 
136 b8e64ccd 2021-03-31 op extern TAILQ_HEAD(vhosthead, vhost) hosts;
137 15902770 2021-01-15 op struct vhost {
138 15902770 2021-01-15 op 	const char	*domain;
139 15902770 2021-01-15 op 	const char	*cert;
140 15902770 2021-01-15 op 	const char	*key;
141 ff05125e 2021-10-15 op 	const char	*ocsp;
142 15902770 2021-01-15 op 	const char	*cgi;
143 e3ddf390 2021-02-06 op 	const char	*entrypoint;
144 b8e64ccd 2021-03-31 op 
145 b8e64ccd 2021-03-31 op 	TAILQ_ENTRY(vhost) vhosts;
146 6016a593 2021-01-30 op 
147 a8a1f439 2021-07-07 op 	/*
148 a8a1f439 2021-07-07 op 	 * the first location rule is always '*' and holds the default
149 b8e64ccd 2021-03-31 op 	 * settings for the vhost, then follows the "real" location
150 a8a1f439 2021-07-07 op 	 * rules as specified in the configuration.
151 a8a1f439 2021-07-07 op 	 */
152 b8e64ccd 2021-03-31 op 	struct lochead	 locations;
153 9cc630aa 2021-04-28 op 
154 9cc630aa 2021-04-28 op 	struct envhead	 env;
155 f740b61b 2021-06-11 op 	struct envhead	 params;
156 cc8c2901 2021-04-29 op 	struct aliashead aliases;
157 15902770 2021-01-15 op };
158 15902770 2021-01-15 op 
159 a010b0dd 2021-01-18 op struct etm {			/* extension to mime */
160 a010b0dd 2021-01-18 op 	const char	*mime;
161 a010b0dd 2021-01-18 op 	const char	*ext;
162 a010b0dd 2021-01-18 op };
163 a010b0dd 2021-01-18 op 
164 b2a6b613 2021-01-21 op struct mime {
165 a010b0dd 2021-01-18 op 	struct etm	*t;
166 a010b0dd 2021-01-18 op 	size_t		len;
167 a010b0dd 2021-01-18 op 	size_t		cap;
168 a010b0dd 2021-01-18 op };
169 a010b0dd 2021-01-18 op 
170 15902770 2021-01-15 op struct conf {
171 3abf91b0 2021-02-07 op 	/* from command line */
172 3abf91b0 2021-02-07 op 	int		 foreground;
173 3abf91b0 2021-02-07 op 	int		 verbose;
174 3abf91b0 2021-02-07 op 
175 3abf91b0 2021-02-07 op 	/* in the config */
176 ae08ec7d 2021-01-25 op 	int		 port;
177 ae08ec7d 2021-01-25 op 	int		 ipv6;
178 ae08ec7d 2021-01-25 op 	uint32_t	 protos;
179 ae08ec7d 2021-01-25 op 	struct mime	 mime;
180 ae08ec7d 2021-01-25 op 	char		*chroot;
181 ae08ec7d 2021-01-25 op 	char		*user;
182 a709ddf5 2021-02-07 op 	int		 prefork;
183 15902770 2021-01-15 op };
184 15902770 2021-01-15 op 
185 d090dc84 2021-02-08 op extern const char *config_path;
186 15902770 2021-01-15 op extern struct conf conf;
187 376a5407 2021-02-23 op 
188 bc99d868 2021-03-19 op extern struct imsgbuf logibuf, exibuf, servibuf[PROC_MAX];
189 15902770 2021-01-15 op 
190 2c3e53da 2021-03-03 op extern int servpipes[PROC_MAX];
191 2c3e53da 2021-03-03 op 
192 bc99d868 2021-03-19 op typedef void (imsg_handlerfn)(struct imsgbuf*, struct imsg*, size_t);
193 bc99d868 2021-03-19 op 
194 efe7d180 2021-10-02 op enum {
195 efe7d180 2021-10-02 op 	REQUEST_UNDECIDED,
196 efe7d180 2021-10-02 op 	REQUEST_FILE,
197 efe7d180 2021-10-02 op 	REQUEST_DIR,
198 efe7d180 2021-10-02 op 	REQUEST_CGI,
199 efe7d180 2021-10-02 op 	REQUEST_FCGI,
200 72b033ef 2021-12-29 op 	REQUEST_PROXY,
201 efe7d180 2021-10-02 op 	REQUEST_DONE,
202 efe7d180 2021-10-02 op };
203 112802ea 2021-02-01 op 
204 72b033ef 2021-12-29 op #define IS_INTERNAL_REQUEST(x) \
205 72b033ef 2021-12-29 op 	((x) != REQUEST_CGI && \
206 72b033ef 2021-12-29 op 	 (x) != REQUEST_FCGI && \
207 72b033ef 2021-12-29 op 	 (x) != REQUEST_PROXY)
208 efe7d180 2021-10-02 op 
209 488f059a 2020-12-24 op struct client {
210 207b3e80 2021-10-07 op 	uint32_t	 id;
211 488f059a 2020-12-24 op 	struct tls	*ctx;
212 efe7d180 2021-10-02 op 	char		*req;
213 0be51733 2021-01-20 op 	struct iri	 iri;
214 3300cbe0 2021-01-27 op 	char		 domain[DOMAIN_NAME_LEN];
215 8ad1c570 2021-05-09 op 
216 efe7d180 2021-10-02 op 	struct bufferevent *bev;
217 8ad1c570 2021-05-09 op 
218 efe7d180 2021-10-02 op 	int		 type;
219 efe7d180 2021-10-02 op 
220 efe7d180 2021-10-02 op 	struct bufferevent *cgibev;
221 72b033ef 2021-12-29 op 
222 72b033ef 2021-12-29 op 	struct bufferevent *proxybev;
223 72b033ef 2021-12-29 op 	struct tls	*proxyctx;
224 72b033ef 2021-12-29 op 	struct event	 proxyev;
225 efe7d180 2021-10-02 op 
226 efe7d180 2021-10-02 op 	char		*header;
227 efe7d180 2021-10-02 op 
228 488f059a 2020-12-24 op 	int		 code;
229 488f059a 2020-12-24 op 	const char	*meta;
230 abc007d2 2021-02-08 op 	int		 fd, pfd;
231 11c98667 2021-04-25 op 	struct dirent	**dir;
232 11c98667 2021-04-25 op 	int		 dirlen, diroff;
233 c836cdfa 2021-03-29 op 
234 c836cdfa 2021-03-29 op 	/* big enough to store STATUS + SPACE + META + CRLF */
235 c836cdfa 2021-03-29 op 	char		 sbuf[1029];
236 27b2fa9a 2021-02-12 op 	ssize_t		 len, off;
237 c836cdfa 2021-03-29 op 
238 709d6e5e 2021-01-10 op 	struct sockaddr_storage	 addr;
239 bc99d868 2021-03-19 op 	struct vhost	*host;	/* host they're talking to */
240 1feaf2a6 2021-05-15 op 	size_t		 loc;	/* location matched */
241 488f059a 2020-12-24 op 
242 207b3e80 2021-10-07 op 	SPLAY_ENTRY(client) entry;
243 207b3e80 2021-10-07 op };
244 207b3e80 2021-10-07 op SPLAY_HEAD(client_tree_id, client);
245 207b3e80 2021-10-07 op extern struct client_tree_id clients;
246 8ad1c570 2021-05-09 op 
247 bc99d868 2021-03-19 op struct cgireq {
248 bc99d868 2021-03-19 op 	char		buf[GEMINI_URL_LEN];
249 bc99d868 2021-03-19 op 
250 bc99d868 2021-03-19 op 	size_t		iri_schema_off;
251 bc99d868 2021-03-19 op 	size_t		iri_host_off;
252 bc99d868 2021-03-19 op 	size_t		iri_port_off;
253 bc99d868 2021-03-19 op 	size_t		iri_path_off;
254 bc99d868 2021-03-19 op 	size_t		iri_query_off;
255 bc99d868 2021-03-19 op 	size_t		iri_fragment_off;
256 bc99d868 2021-03-19 op 	int		iri_portno;
257 bc99d868 2021-03-19 op 
258 bc99d868 2021-03-19 op 	char		spath[PATH_MAX+1];
259 bc99d868 2021-03-19 op 	char		relpath[PATH_MAX+1];
260 bc99d868 2021-03-19 op 	char		addr[NI_MAXHOST+1];
261 bc99d868 2021-03-19 op 
262 bc99d868 2021-03-19 op 	/* AFAIK there isn't an upper limit for these two fields. */
263 bc99d868 2021-03-19 op 	char		subject[64+1];
264 bc99d868 2021-03-19 op 	char		issuer[64+1];
265 bc99d868 2021-03-19 op 
266 bc99d868 2021-03-19 op 	char		hash[128+1];
267 89541eee 2021-04-13 op 	char		version[8];
268 89541eee 2021-04-13 op 	char		cipher[32];
269 89541eee 2021-04-13 op 	int		cipher_strength;
270 bc99d868 2021-03-19 op 	time_t		notbefore;
271 bc99d868 2021-03-19 op 	time_t		notafter;
272 bc99d868 2021-03-19 op 
273 bc99d868 2021-03-19 op 	size_t		host_off;
274 fdea6aa0 2021-04-30 op 	size_t		loc_off;
275 bc99d868 2021-03-19 op };
276 bc99d868 2021-03-19 op 
277 72b033ef 2021-12-29 op struct connreq {
278 72b033ef 2021-12-29 op 	char	host[NI_MAXHOST];
279 72b033ef 2021-12-29 op 	char	port[NI_MAXSERV];
280 72b033ef 2021-12-29 op 	int	flag;
281 72b033ef 2021-12-29 op };
282 72b033ef 2021-12-29 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 72b033ef 2021-12-29 op 	IMSG_CONN_REQ,
296 72b033ef 2021-12-29 op 	IMSG_CONN_FD,
297 bc99d868 2021-03-19 op 	IMSG_LOG,
298 41395640 2021-07-19 op 	IMSG_LOG_REQUEST,
299 e952c505 2021-06-15 op 	IMSG_LOG_TYPE,
300 bc99d868 2021-03-19 op 	IMSG_QUIT,
301 bc99d868 2021-03-19 op };
302 bc99d868 2021-03-19 op 
303 33d32d1f 2020-12-25 op /* gmid.c */
304 8443bff7 2021-01-25 op char		*data_dir(void);
305 8443bff7 2021-01-25 op void		 load_local_cert(const char*, const char*);
306 ae08ec7d 2021-01-25 op void		 load_vhosts(void);
307 33ac26a0 2021-01-21 op int		 make_socket(int, int);
308 ae08ec7d 2021-01-25 op void		 setup_tls(void);
309 c8b74339 2021-01-24 op void		 init_config(void);
310 ca21e100 2021-02-04 op void		 free_config(void);
311 ae08ec7d 2021-01-25 op void		 drop_priv(void);
312 15902770 2021-01-15 op 
313 6abda252 2021-02-06 op void		 yyerror(const char*, ...);
314 13ed2fb6 2021-01-27 op void		 parse_conf(const char*);
315 f0a01fc7 2021-10-09 op void		 print_conf(void);
316 3b21cca3 2021-06-29 op int		 cmdline_symset(char *);
317 13ed2fb6 2021-01-27 op 
318 3abf91b0 2021-02-07 op /* log.c */
319 3abf91b0 2021-02-07 op void		 fatal(const char*, ...)
320 3abf91b0 2021-02-07 op 	__attribute__((format (printf, 1, 2)))
321 3abf91b0 2021-02-07 op 	__attribute__((__noreturn__));
322 3abf91b0 2021-02-07 op 
323 3abf91b0 2021-02-07 op #define LOG_ATTR_FMT __attribute__((format (printf, 2, 3)))
324 3abf91b0 2021-02-07 op void		 log_err(struct client*, const char*, ...)	LOG_ATTR_FMT;
325 3abf91b0 2021-02-07 op void		 log_warn(struct client*, const char*, ...)	LOG_ATTR_FMT;
326 3abf91b0 2021-02-07 op void		 log_notice(struct client*, const char*, ...)	LOG_ATTR_FMT;
327 3abf91b0 2021-02-07 op void		 log_info(struct client*, const char*, ...)	LOG_ATTR_FMT;
328 3abf91b0 2021-02-07 op void		 log_debug(struct client*, const char*, ...)	LOG_ATTR_FMT;
329 3abf91b0 2021-02-07 op void		 log_request(struct client*, char*, size_t);
330 376a5407 2021-02-23 op int		 logger_main(int, struct imsgbuf*);
331 3abf91b0 2021-02-07 op 
332 0fbe79b3 2021-01-18 op /* mime.c */
333 b2a6b613 2021-01-21 op void		 init_mime(struct mime*);
334 b2a6b613 2021-01-21 op void		 add_mime(struct mime*, const char*, const char*);
335 b2a6b613 2021-01-21 op void		 load_default_mime(struct mime*);
336 6119e13e 2021-01-19 op const char	*mime(struct vhost*, const char*);
337 0fbe79b3 2021-01-18 op 
338 d3a08f4d 2021-01-17 op /* server.c */
339 090b8a89 2021-07-06 op extern int	shutting_down;
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 72b033ef 2021-12-29 op struct location	*vhost_reverse_proxy(struct vhost *, const char *);
346 8ad1c570 2021-05-09 op int		 vhost_fastcgi(struct vhost*, const char*);
347 1feaf2a6 2021-05-15 op int		 vhost_dirfd(struct vhost*, const char*, size_t*);
348 6abda252 2021-02-06 op int		 vhost_strip(struct vhost*, const char*);
349 02be96c6 2021-02-09 op X509_STORE	*vhost_require_ca(struct vhost*, const char*);
350 793835cb 2021-02-23 op int		 vhost_disable_log(struct vhost*, const char*);
351 8ad1c570 2021-05-09 op 
352 9b8f5ed2 2021-02-03 op void		 mark_nonblock(int);
353 efe7d180 2021-10-02 op void		 client_write(struct bufferevent *, void *);
354 8ad1c570 2021-05-09 op void		 start_reply(struct client*, int, const char*);
355 efe7d180 2021-10-02 op void		 client_close(struct client *);
356 8ad1c570 2021-05-09 op struct client	*try_client_by_id(int);
357 bc99d868 2021-03-19 op void		 loop(struct tls*, int, int, struct imsgbuf*);
358 d3a08f4d 2021-01-17 op 
359 207b3e80 2021-10-07 op int		 client_tree_cmp(struct client *, struct client *);
360 207b3e80 2021-10-07 op SPLAY_PROTOTYPE(client_tree_id, client, entry, client_tree_cmp);
361 207b3e80 2021-10-07 op 
362 11c98667 2021-04-25 op /* dirs.c */
363 11c98667 2021-04-25 op int		 scandir_fd(int, struct dirent***, int(*)(const struct dirent*),
364 11c98667 2021-04-25 op 		    int(*)(const struct dirent**, const struct dirent**));
365 11c98667 2021-04-25 op int		 select_non_dot(const struct dirent*);
366 11c98667 2021-04-25 op int		 select_non_dotdot(const struct dirent*);
367 11c98667 2021-04-25 op 
368 881a9dd9 2021-01-16 op /* ex.c */
369 881a9dd9 2021-01-16 op int		 send_string(int, const char*);
370 881a9dd9 2021-01-16 op int		 recv_string(int, char**);
371 2fafa2d2 2021-02-01 op int		 send_iri(int, struct iri*);
372 2fafa2d2 2021-02-01 op int		 recv_iri(int, struct iri*);
373 2fafa2d2 2021-02-01 op void		 free_recvd_iri(struct iri*);
374 881a9dd9 2021-01-16 op int		 send_vhost(int, struct vhost*);
375 881a9dd9 2021-01-16 op int		 recv_vhost(int, struct vhost**);
376 b63e30ff 2021-02-07 op int		 send_time(int, time_t);
377 b63e30ff 2021-02-07 op int		 recv_time(int, time_t*);
378 881a9dd9 2021-01-16 op int		 send_fd(int, int);
379 881a9dd9 2021-01-16 op int		 recv_fd(int);
380 bc99d868 2021-03-19 op int		 executor_main(struct imsgbuf*);
381 881a9dd9 2021-01-16 op 
382 8ad1c570 2021-05-09 op /* fcgi.c */
383 741b69be 2021-09-26 op void		 fcgi_read(struct bufferevent *, void *);
384 741b69be 2021-09-26 op void		 fcgi_write(struct bufferevent *, void *);
385 741b69be 2021-09-26 op void		 fcgi_error(struct bufferevent *, short, void *);
386 4cd25209 2021-10-07 op void		 fcgi_req(struct client *);
387 8ad1c570 2021-05-09 op 
388 dafb57b8 2021-01-15 op /* sandbox.c */
389 62e001b0 2021-03-20 op void		 sandbox_server_process(void);
390 62e001b0 2021-03-20 op void		 sandbox_executor_process(void);
391 62e001b0 2021-03-20 op void		 sandbox_logger_process(void);
392 dafb57b8 2021-01-15 op 
393 ef04b551 2021-01-09 op /* utf8.c */
394 ef04b551 2021-01-09 op int		 valid_multibyte_utf8(struct parser*);
395 3300cbe0 2021-01-27 op char		*utf8_nth(char*, size_t);
396 ef04b551 2021-01-09 op 
397 3c1cf9d0 2021-01-11 op /* iri.c */
398 3c1cf9d0 2021-01-11 op int		 parse_iri(char*, struct iri*, const char**);
399 2fafa2d2 2021-02-01 op int		 serialize_iri(struct iri*, char*, size_t);
400 9f006a21 2021-02-07 op char		*pct_decode_str(char *);
401 33d32d1f 2020-12-25 op 
402 72b033ef 2021-12-29 op /* proxy.c */
403 72b033ef 2021-12-29 op int		 proxy_init(struct client *);
404 72b033ef 2021-12-29 op 
405 3300cbe0 2021-01-27 op /* puny.c */
406 a2fd8013 2021-01-29 op int		 puny_decode(const char*, char*, size_t, const char**);
407 3300cbe0 2021-01-27 op 
408 44ee1bac 2021-01-27 op /* utils.c */
409 ca21e100 2021-02-04 op void		 block_signals(void);
410 ca21e100 2021-02-04 op void		 unblock_signals(void);
411 44ee1bac 2021-01-27 op int		 starts_with(const char*, const char*);
412 44ee1bac 2021-01-27 op int		 ends_with(const char*, const char*);
413 44ee1bac 2021-01-27 op ssize_t		 filesize(int);
414 2fafa2d2 2021-02-01 op char		*absolutify_path(const char*);
415 ca21e100 2021-02-04 op char		*xstrdup(const char*);
416 b8e64ccd 2021-03-31 op void		*xcalloc(size_t, size_t);
417 3abf91b0 2021-02-07 op void		 gen_certificate(const char*, const char*, const char*);
418 02be96c6 2021-02-09 op X509_STORE	*load_ca(const char*);
419 02be96c6 2021-02-09 op int		 validate_against_ca(X509_STORE*, const uint8_t*, size_t);
420 bc99d868 2021-03-19 op void		 dispatch_imsg(struct imsgbuf*, imsg_handlerfn**, size_t);
421 44ee1bac 2021-01-27 op 
422 488f059a 2020-12-24 op #endif