op public repos

Blame

Date:: Sat Jul 1 18:41:46 2023 UTC
Message:: change log_request to take the code and meta unpacked don't know what i was smoking when I wrote log_request() like that...
Actions:: History | Blob | Raw File
  1 3e4749f7 2020-10-02 op /*
  2 a555e0d6 2022-07-04 op  * Copyright (c) 2020, 2021, 2022 Omar Polo <op@omarpolo.com>
  3 3e4749f7 2020-10-02 op  *
  4 3e4749f7 2020-10-02 op  * Permission to use, copy, modify, and distribute this software for any
  5 3e4749f7 2020-10-02 op  * purpose with or without fee is hereby granted, provided that the above
  6 3e4749f7 2020-10-02 op  * copyright notice and this permission notice appear in all copies.
  7 3e4749f7 2020-10-02 op  *
  8 3e4749f7 2020-10-02 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9 3e4749f7 2020-10-02 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10 3e4749f7 2020-10-02 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11 3e4749f7 2020-10-02 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12 3e4749f7 2020-10-02 op  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13 3e4749f7 2020-10-02 op  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14 3e4749f7 2020-10-02 op  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15 3e4749f7 2020-10-02 op  */
 16 52418c8d 2021-02-12 op 
 17 52418c8d 2021-02-12 op #include "gmid.h"
 18 3e4749f7 2020-10-02 op 
 19 8443bff7 2021-01-25 op #include <sys/stat.h>
 20 8443bff7 2021-01-25 op 
 21 592fd624 2020-10-07 op #include <errno.h>
 22 3e4749f7 2020-10-02 op #include <fcntl.h>
 23 5777923b 2021-06-29 op #include <getopt.h>
 24 0046c1fe 2023-06-06 op #include <locale.h>
 25 7e1df73d 2021-03-31 op #include <libgen.h>
 26 bcf5d929 2021-02-01 op #include <limits.h>
 27 c9e97a6e 2022-12-24 op #include <grp.h>
 28 ae08ec7d 2021-01-25 op #include <pwd.h>
 29 0cf902af 2020-11-03 op #include <signal.h>
 30 3e4749f7 2020-10-02 op #include <string.h>
 31 eae52ad4 2023-06-06 op #include <syslog.h>
 32 cc68fe70 2020-10-07 op 
 33 eae52ad4 2023-06-06 op #include "log.h"
 34 c26f2460 2023-06-08 op #include "proc.h"
 35 df5058c9 2023-06-05 op 
 36 c26f2460 2023-06-08 op #ifndef nitems
 37 c26f2460 2023-06-08 op #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
 38 c26f2460 2023-06-08 op #endif
 39 5777923b 2021-06-29 op 
 40 c26f2460 2023-06-08 op static int main_configure(struct conf *);
 41 c26f2460 2023-06-08 op static void main_configure_done(struct conf *);
 42 c26f2460 2023-06-08 op static void main_reload(struct conf *);
 43 c26f2460 2023-06-08 op static void main_sig_handler(int, short, void *);
 44 c26f2460 2023-06-08 op static int main_dispatch_server(int, struct privsep_proc *, struct imsg *);
 45 86693a33 2023-06-11 op static int main_dispatch_crypto(int, struct privsep_proc *, struct imsg *);
 46 c26f2460 2023-06-08 op static int main_dispatch_logger(int, struct privsep_proc *, struct imsg *);
 47 c26f2460 2023-06-08 op static void __dead main_shutdown(struct conf *);
 48 5af19830 2023-06-09 op static void main_print_conf(struct conf *);
 49 c26f2460 2023-06-08 op 
 50 c26f2460 2023-06-08 op static struct privsep_proc procs[] = {
 51 c26f2460 2023-06-08 op 	{ "server",	PROC_SERVER,	main_dispatch_server, server },
 52 86693a33 2023-06-11 op 	{ "crypto",	PROC_CRYPTO,	main_dispatch_crypto, crypto },
 53 c26f2460 2023-06-08 op 	{ "logger",	PROC_LOGGER,	main_dispatch_logger, logger },
 54 c26f2460 2023-06-08 op };
 55 c26f2460 2023-06-08 op 
 56 7fff8aa6 2023-06-09 op static const char	*opts = "c:D:fI:hnP:T:U:VvX:";
 57 c26f2460 2023-06-08 op 
 58 e5d82d94 2022-03-19 op static const struct option longopts[] = {
 59 5777923b 2021-06-29 op 	{"help",	no_argument,		NULL,	'h'},
 60 5777923b 2021-06-29 op 	{"version",	no_argument,		NULL,	'V'},
 61 5777923b 2021-06-29 op 	{NULL,		0,			NULL,	0},
 62 5777923b 2021-06-29 op };
 63 15902770 2021-01-15 op 
 64 bc99d868 2021-03-19 op int sock4, sock6;
 65 c26f2460 2023-06-08 op int privsep_process;
 66 c26f2460 2023-06-08 op int pidfd = -1;
 67 d672b8fb 2021-02-03 op 
 68 ca84625a 2023-06-08 op int debug, verbose;
 69 ca84625a 2023-06-08 op 
 70 32fbc478 2022-09-08 op const char *config_path = "/etc/gmid.conf";
 71 32fbc478 2022-09-08 op const char *pidfile;
 72 881a9dd9 2021-01-16 op 
 73 3abf91b0 2021-02-07 op static void
 74 9327bc04 2021-06-29 op usage(void)
 75 3abf91b0 2021-02-07 op {
 76 3abf91b0 2021-02-07 op 	fprintf(stderr,
 77 0be2a537 2021-06-29 op 	    "Version: " GMID_STRING "\n"
 78 0ac785a6 2023-06-05 op 	    "Usage: %s [-fnv] [-c config] [-D macro=value] [-P pidfile]\n",
 79 9327bc04 2021-06-29 op 	    getprogname());
 80 3abf91b0 2021-02-07 op }
 81 3abf91b0 2021-02-07 op 
 82 47b0ff10 2023-06-08 op /* used by the server process, defined here so gg can provide its own impl. */
 83 47b0ff10 2023-06-08 op void
 84 2c381068 2023-07-01 op log_request(struct client *c, int code, const char *meta)
 85 47b0ff10 2023-06-08 op {
 86 af1dab18 2023-06-09 op 	struct conf *conf = c->conf;
 87 ed164e72 2023-06-26 op 	char b[GEMINI_URL_LEN];
 88 47b0ff10 2023-06-08 op 	char *fmted;
 89 47b0ff10 2023-06-08 op 	const char *t;
 90 47b0ff10 2023-06-08 op 	int ec;
 91 47b0ff10 2023-06-08 op 
 92 47b0ff10 2023-06-08 op 	if (c->iri.schema != NULL) {
 93 47b0ff10 2023-06-08 op 		/* serialize the IRI */
 94 47b0ff10 2023-06-08 op 		strlcpy(b, c->iri.schema, sizeof(b));
 95 47b0ff10 2023-06-08 op 		strlcat(b, "://", sizeof(b));
 96 47b0ff10 2023-06-08 op 
 97 47b0ff10 2023-06-08 op 		/* log the decoded host name, but if it was invalid
 98 47b0ff10 2023-06-08 op 		 * use the raw one. */
 99 47b0ff10 2023-06-08 op 		if (*c->domain != '\0')
100 47b0ff10 2023-06-08 op 			strlcat(b, c->domain, sizeof(b));
101 47b0ff10 2023-06-08 op 		else
102 47b0ff10 2023-06-08 op 			strlcat(b, c->iri.host, sizeof(b));
103 47b0ff10 2023-06-08 op 
104 47b0ff10 2023-06-08 op 		if (*c->iri.path != '/')
105 47b0ff10 2023-06-08 op 			strlcat(b, "/", sizeof(b));
106 47b0ff10 2023-06-08 op 		strlcat(b, c->iri.path, sizeof(b)); /* TODO: sanitize UTF8 */
107 47b0ff10 2023-06-08 op 		if (*c->iri.query != '\0') {	    /* TODO: sanitize UTF8 */
108 47b0ff10 2023-06-08 op 			strlcat(b, "?", sizeof(b));
109 47b0ff10 2023-06-08 op 			strlcat(b, c->iri.query, sizeof(b));
110 47b0ff10 2023-06-08 op 		}
111 47b0ff10 2023-06-08 op 	} else {
112 47b0ff10 2023-06-08 op 		if ((t = c->req) == NULL)
113 47b0ff10 2023-06-08 op 			t = "";
114 47b0ff10 2023-06-08 op 		strlcpy(b, t, sizeof(b));
115 47b0ff10 2023-06-08 op 	}
116 47b0ff10 2023-06-08 op 
117 2c381068 2023-07-01 op 	ec = asprintf(&fmted, "%s:%s GET %s %d %s", c->rhost, c->rserv, b,
118 2c381068 2023-07-01 op 	    code, meta);
119 47b0ff10 2023-06-08 op 	if (ec == -1)
120 792f302a 2023-06-09 op 		fatal("asprintf");
121 47b0ff10 2023-06-08 op 
122 af1dab18 2023-06-09 op 	proc_compose(conf->ps, PROC_LOGGER, IMSG_LOG_REQUEST,
123 47b0ff10 2023-06-08 op 	    fmted, ec + 1);
124 47b0ff10 2023-06-08 op 
125 47b0ff10 2023-06-08 op 	free(fmted);
126 47b0ff10 2023-06-08 op }
127 47b0ff10 2023-06-08 op 
128 419a4235 2021-04-28 op static int
129 419a4235 2021-04-28 op write_pidfile(const char *pidfile)
130 419a4235 2021-04-28 op {
131 419a4235 2021-04-28 op 	struct flock	lock;
132 419a4235 2021-04-28 op 	int		fd;
133 d672b8fb 2021-02-03 op 
134 419a4235 2021-04-28 op 	if (pidfile == NULL)
135 419a4235 2021-04-28 op 		return -1;
136 419a4235 2021-04-28 op 
137 419a4235 2021-04-28 op 	if ((fd = open(pidfile, O_WRONLY|O_CREAT|O_CLOEXEC, 0600)) == -1)
138 df5058c9 2023-06-05 op 		fatal("can't open pidfile %s", pidfile);
139 419a4235 2021-04-28 op 
140 419a4235 2021-04-28 op 	lock.l_start = 0;
141 419a4235 2021-04-28 op 	lock.l_len = 0;
142 419a4235 2021-04-28 op 	lock.l_type = F_WRLCK;
143 419a4235 2021-04-28 op 	lock.l_whence = SEEK_SET;
144 419a4235 2021-04-28 op 
145 419a4235 2021-04-28 op 	if (fcntl(fd, F_SETLK, &lock) == -1)
146 df5058c9 2023-06-05 op 		fatalx("can't lock %s, gmid is already running?", pidfile);
147 419a4235 2021-04-28 op 
148 419a4235 2021-04-28 op 	if (ftruncate(fd, 0) == -1)
149 df5058c9 2023-06-05 op 		fatal("ftruncate %s", pidfile);
150 419a4235 2021-04-28 op 
151 419a4235 2021-04-28 op 	dprintf(fd, "%d\n", getpid());
152 419a4235 2021-04-28 op 
153 419a4235 2021-04-28 op 	return fd;
154 419a4235 2021-04-28 op }
155 419a4235 2021-04-28 op 
156 8d6ae384 2021-01-24 op int
157 8d6ae384 2021-01-24 op main(int argc, char **argv)
158 8d6ae384 2021-01-24 op {
159 af1dab18 2023-06-09 op 	struct conf *conf;
160 c26f2460 2023-06-08 op 	struct privsep *ps;
161 c26f2460 2023-06-08 op 	const char *errstr, *title = NULL;
162 7fff8aa6 2023-06-09 op 	const char *user = NULL, *chroot = NULL;
163 c26f2460 2023-06-08 op 	size_t i;
164 c26f2460 2023-06-08 op 	int ch, conftest = 0;
165 c26f2460 2023-06-08 op 	int proc_instance = 0;
166 c26f2460 2023-06-08 op 	int proc_id = PROC_PARENT;
167 c26f2460 2023-06-08 op 	int argc0 = argc;
168 501e489c 2021-01-24 op 
169 0046c1fe 2023-06-06 op 	setlocale(LC_CTYPE, "");
170 0046c1fe 2023-06-06 op 
171 eae52ad4 2023-06-06 op 	/* log to stderr until daemonized */
172 eae52ad4 2023-06-06 op 	log_init(1, LOG_DAEMON);
173 8d6ae384 2021-01-24 op 
174 5777923b 2021-06-29 op 	while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
175 3e4749f7 2020-10-02 op 		switch (ch) {
176 0ac785a6 2023-06-05 op 		case 'c':
177 0ac785a6 2023-06-05 op 			config_path = absolutify_path(optarg);
178 0ac785a6 2023-06-05 op 			break;
179 f98e9045 2021-06-29 op 		case 'D':
180 f98e9045 2021-06-29 op 			if (cmdline_symset(optarg) == -1)
181 df5058c9 2023-06-05 op 				fatalx("could not parse macro definition: %s",
182 8a50fc03 2021-07-07 op 				    optarg);
183 f98e9045 2021-06-29 op 			break;
184 0ac785a6 2023-06-05 op 		case 'f':
185 ca84625a 2023-06-08 op 			debug = 1;
186 46af8c6c 2021-01-27 op 			break;
187 3e4749f7 2020-10-02 op 		case 'h':
188 9327bc04 2021-06-29 op 			usage();
189 3e4749f7 2020-10-02 op 			return 0;
190 c26f2460 2023-06-08 op 		case 'I':
191 c26f2460 2023-06-08 op 			proc_instance = strtonum(optarg, 0, PROC_MAX_INSTANCES,
192 c26f2460 2023-06-08 op 			    &errstr);
193 c26f2460 2023-06-08 op 			if (errstr != NULL)
194 c26f2460 2023-06-08 op 				fatalx("invalid process instance");
195 c26f2460 2023-06-08 op 			break;
196 15902770 2021-01-15 op 		case 'n':
197 f0a01fc7 2021-10-09 op 			conftest++;
198 721e2325 2020-11-18 op 			break;
199 8e8b2e25 2021-04-28 op 		case 'P':
200 f1f13cb7 2023-06-08 op 			pidfile = absolutify_path(optarg);
201 8e8b2e25 2021-04-28 op 			break;
202 c26f2460 2023-06-08 op 		case 'T':
203 c26f2460 2023-06-08 op 			title = optarg;
204 c26f2460 2023-06-08 op 			proc_id = proc_getid(procs, nitems(procs), title);
205 c26f2460 2023-06-08 op 			if (proc_id == PROC_MAX)
206 c26f2460 2023-06-08 op 				fatalx("invalid process name");
207 c26f2460 2023-06-08 op 			break;
208 7fff8aa6 2023-06-09 op 		case 'U':
209 7fff8aa6 2023-06-09 op 			user = optarg;
210 7fff8aa6 2023-06-09 op 			break;
211 5777923b 2021-06-29 op 		case 'V':
212 fdb43a4c 2021-06-29 op 			puts("Version: " GMID_STRING);
213 5777923b 2021-06-29 op 			return 0;
214 8904fa0e 2021-01-27 op 		case 'v':
215 ca84625a 2023-06-08 op 			verbose = 1;
216 8904fa0e 2021-01-27 op 			break;
217 7fff8aa6 2023-06-09 op 		case 'X':
218 7fff8aa6 2023-06-09 op 			chroot = optarg;
219 7fff8aa6 2023-06-09 op 			break;
220 3e4749f7 2020-10-02 op 		default:
221 9327bc04 2021-06-29 op 			usage();
222 3e4749f7 2020-10-02 op 			return 1;
223 3e4749f7 2020-10-02 op 		}
224 3e4749f7 2020-10-02 op 	}
225 3e4749f7 2020-10-02 op 
226 c26f2460 2023-06-08 op 	if (argc - optind != 0)
227 d29a2ee2 2022-09-06 op 		usage();
228 d29a2ee2 2022-09-06 op 
229 af1dab18 2023-06-09 op 	conf = config_new();
230 af1dab18 2023-06-09 op 
231 7fff8aa6 2023-06-09 op 	/*
232 7fff8aa6 2023-06-09 op 	 * Only the parent loads the config, the others get user and
233 7fff8aa6 2023-06-09 op 	 * chroot via flags and the rest via imsg.
234 7fff8aa6 2023-06-09 op 	 */
235 7fff8aa6 2023-06-09 op 	if (proc_id == PROC_PARENT) {
236 7fff8aa6 2023-06-09 op 		if (parse_conf(conf, config_path) == -1)
237 7fff8aa6 2023-06-09 op 			fatalx("failed to load configuration file");
238 7fff8aa6 2023-06-09 op 		if (*conf->chroot != '\0' && *conf->user == '\0')
239 7fff8aa6 2023-06-09 op 			fatalx("can't chroot without a user to switch to.");
240 7fff8aa6 2023-06-09 op 	} else {
241 7fff8aa6 2023-06-09 op 		if (user)
242 7fff8aa6 2023-06-09 op 			strlcpy(conf->user, user, sizeof(conf->user));
243 7fff8aa6 2023-06-09 op 		if (chroot)
244 7fff8aa6 2023-06-09 op 			strlcpy(conf->chroot, chroot, sizeof(conf->chroot));
245 7fff8aa6 2023-06-09 op 	}
246 d672b8fb 2021-02-03 op 
247 132cae8c 2021-01-18 op 	if (conftest) {
248 f0a01fc7 2021-10-09 op 		fprintf(stderr, "config OK\n");
249 f0a01fc7 2021-10-09 op 		if (conftest > 1)
250 5af19830 2023-06-09 op 			main_print_conf(conf);
251 132cae8c 2021-01-18 op 		return 0;
252 132cae8c 2021-01-18 op 	}
253 4a28dd01 2020-12-28 op 
254 c26f2460 2023-06-08 op 	if ((ps = calloc(1, sizeof(*ps))) == NULL)
255 c26f2460 2023-06-08 op 		fatal("calloc");
256 af1dab18 2023-06-09 op 	ps->ps_env = conf;
257 af1dab18 2023-06-09 op 	conf->ps = ps;
258 af1dab18 2023-06-09 op 	if (*conf->user) {
259 c26f2460 2023-06-08 op 		if (geteuid())
260 c26f2460 2023-06-08 op 			fatalx("need root privileges");
261 af1dab18 2023-06-09 op 		if ((ps->ps_pw = getpwnam(conf->user)) == NULL)
262 af1dab18 2023-06-09 op 			fatalx("unknown user %s", conf->user);
263 287ab865 2023-06-24 op 		if (*conf->chroot == '\0')
264 287ab865 2023-06-24 op 			strlcpy(conf->chroot, ps->ps_pw->pw_dir,
265 287ab865 2023-06-24 op 			    sizeof(conf->chroot));
266 c26f2460 2023-06-08 op 	}
267 8a50fc03 2021-07-07 op 
268 af1dab18 2023-06-09 op 	ps->ps_instances[PROC_SERVER] = conf->prefork;
269 c26f2460 2023-06-08 op 	ps->ps_instance = proc_instance;
270 c26f2460 2023-06-08 op 	if (title != NULL)
271 c26f2460 2023-06-08 op 		ps->ps_title[proc_id] = title;
272 c26f2460 2023-06-08 op 
273 af1dab18 2023-06-09 op 	if (*conf->chroot != '\0') {
274 c26f2460 2023-06-08 op 		for (i = 0; i < nitems(procs); ++i)
275 af1dab18 2023-06-09 op 			procs[i].p_chroot = conf->chroot;
276 0170ba02 2021-01-17 op 	}
277 c26f2460 2023-06-08 op 
278 ca84625a 2023-06-08 op 	log_init(debug, LOG_DAEMON);
279 ca84625a 2023-06-08 op 	log_setverbose(verbose);
280 c26f2460 2023-06-08 op 	if (title != NULL)
281 c26f2460 2023-06-08 op 		log_procinit(title);
282 4a28dd01 2020-12-28 op 
283 c26f2460 2023-06-08 op 	/* only the parent returns */
284 ca84625a 2023-06-08 op 	proc_init(ps, procs, nitems(procs), debug, argc0, argv, proc_id);
285 3e4749f7 2020-10-02 op 
286 c26f2460 2023-06-08 op 	log_procinit("main");
287 ca84625a 2023-06-08 op 	if (!debug && daemon(0, 0) == -1)
288 c26f2460 2023-06-08 op 		fatal("daemon");
289 3841a369 2021-04-20 op 
290 8e8b2e25 2021-04-28 op 	pidfd = write_pidfile(pidfile);
291 8e8b2e25 2021-04-28 op 
292 c26f2460 2023-06-08 op 	sandbox_main_process();
293 c26f2460 2023-06-08 op 
294 c26f2460 2023-06-08 op 	event_init();
295 c26f2460 2023-06-08 op 
296 c26f2460 2023-06-08 op 	signal(SIGPIPE, SIG_IGN);
297 b9c9123b 2021-03-20 op 
298 c26f2460 2023-06-08 op 	signal_set(&ps->ps_evsigint, SIGINT, main_sig_handler, ps);
299 c26f2460 2023-06-08 op 	signal_set(&ps->ps_evsigterm, SIGTERM, main_sig_handler, ps);
300 c26f2460 2023-06-08 op 	signal_set(&ps->ps_evsigchld, SIGCHLD, main_sig_handler, ps);
301 c26f2460 2023-06-08 op 	signal_set(&ps->ps_evsighup, SIGHUP, main_sig_handler, ps);
302 ca21e100 2021-02-04 op 
303 c26f2460 2023-06-08 op 	signal_add(&ps->ps_evsigint, NULL);
304 c26f2460 2023-06-08 op 	signal_add(&ps->ps_evsigterm, NULL);
305 c26f2460 2023-06-08 op 	signal_add(&ps->ps_evsigchld, NULL);
306 c26f2460 2023-06-08 op 	signal_add(&ps->ps_evsighup, NULL);
307 1d3eb470 2021-03-20 op 
308 c26f2460 2023-06-08 op 	proc_connect(ps);
309 ca21e100 2021-02-04 op 
310 af1dab18 2023-06-09 op 	if (main_configure(conf) == -1)
311 c26f2460 2023-06-08 op 		fatal("configuration failed");
312 bc99d868 2021-03-19 op 
313 c26f2460 2023-06-08 op 	event_dispatch();
314 af1dab18 2023-06-09 op 	main_shutdown(conf);
315 c26f2460 2023-06-08 op 	/* NOTREACHED */
316 c26f2460 2023-06-08 op 	return 0;
317 c26f2460 2023-06-08 op }
318 ca21e100 2021-02-04 op 
319 c26f2460 2023-06-08 op static int
320 c26f2460 2023-06-08 op main_configure(struct conf *conf)
321 c26f2460 2023-06-08 op {
322 c26f2460 2023-06-08 op 	struct privsep	*ps = conf->ps;
323 ca21e100 2021-02-04 op 
324 86693a33 2023-06-11 op 	conf->reload = conf->prefork + 1; /* servers, crypto */
325 ca21e100 2021-02-04 op 
326 c26f2460 2023-06-08 op 	if (proc_compose(ps, PROC_SERVER, IMSG_RECONF_START, NULL, 0) == -1)
327 86693a33 2023-06-11 op 		return -1;
328 86693a33 2023-06-11 op 	if (proc_compose(ps, PROC_CRYPTO, IMSG_RECONF_START, NULL, 0) == -1)
329 c26f2460 2023-06-08 op 		return -1;
330 ca21e100 2021-02-04 op 
331 e45334e6 2023-06-09 op 	if (config_send(conf) == -1)
332 c26f2460 2023-06-08 op 		return -1;
333 c26f2460 2023-06-08 op 
334 c26f2460 2023-06-08 op 	if (proc_compose(ps, PROC_SERVER, IMSG_RECONF_END, NULL, 0) == -1)
335 c26f2460 2023-06-08 op 		return -1;
336 86693a33 2023-06-11 op 	if (proc_compose(ps, PROC_CRYPTO, IMSG_RECONF_END, NULL, 0) == -1)
337 86693a33 2023-06-11 op 		return -1;
338 c26f2460 2023-06-08 op 
339 c26f2460 2023-06-08 op 	return 0;
340 c26f2460 2023-06-08 op }
341 c26f2460 2023-06-08 op 
342 c26f2460 2023-06-08 op static void
343 c26f2460 2023-06-08 op main_configure_done(struct conf *conf)
344 c26f2460 2023-06-08 op {
345 c26f2460 2023-06-08 op 	if (conf->reload == 0) {
346 c26f2460 2023-06-08 op 		log_warnx("configuration already done");
347 c26f2460 2023-06-08 op 		return;
348 ca21e100 2021-02-04 op 	}
349 1d3eb470 2021-03-20 op 
350 c26f2460 2023-06-08 op 	conf->reload--;
351 c26f2460 2023-06-08 op 	/* send IMSG_CTL_START? */
352 c26f2460 2023-06-08 op }
353 c26f2460 2023-06-08 op 
354 c26f2460 2023-06-08 op static void
355 c26f2460 2023-06-08 op main_reload(struct conf *conf)
356 c26f2460 2023-06-08 op {
357 c26f2460 2023-06-08 op 	if (conf->reload) {
358 c26f2460 2023-06-08 op 		log_debug("%s: already in progress: %d pending",
359 c26f2460 2023-06-08 op 		    __func__, conf->reload);
360 c26f2460 2023-06-08 op 		return;
361 5c485529 2022-09-10 op 	}
362 1d3eb470 2021-03-20 op 
363 c26f2460 2023-06-08 op 	log_debug("%s: config file %s", __func__, config_path);
364 af1dab18 2023-06-09 op 	config_purge(conf);
365 1d3eb470 2021-03-20 op 
366 68368f4c 2023-06-09 op 	if (parse_conf(conf, config_path) == -1) {
367 68368f4c 2023-06-09 op 		log_warnx("failed to parse the config");
368 68368f4c 2023-06-09 op 		return;
369 68368f4c 2023-06-09 op 	}
370 68368f4c 2023-06-09 op 
371 c26f2460 2023-06-08 op 	main_configure(conf);
372 c26f2460 2023-06-08 op }
373 c26f2460 2023-06-08 op 
374 c26f2460 2023-06-08 op static void
375 c26f2460 2023-06-08 op main_sig_handler(int sig, short ev, void *arg)
376 c26f2460 2023-06-08 op {
377 c26f2460 2023-06-08 op 	struct privsep	*ps = arg;
378 c26f2460 2023-06-08 op 
379 c26f2460 2023-06-08 op 	/*
380 c26f2460 2023-06-08 op 	 * Normal signal handler rules don't apply here because libevent
381 c26f2460 2023-06-08 op 	 * decouples for us.
382 c26f2460 2023-06-08 op 	 */
383 c26f2460 2023-06-08 op 
384 c26f2460 2023-06-08 op 	switch (sig) {
385 c26f2460 2023-06-08 op 	case SIGHUP:
386 c26f2460 2023-06-08 op 		if (privsep_process != PROC_PARENT)
387 c26f2460 2023-06-08 op 			return;
388 c26f2460 2023-06-08 op 		log_info("reload requested with SIGHUP");
389 c26f2460 2023-06-08 op 		main_reload(ps->ps_env);
390 c26f2460 2023-06-08 op 		break;
391 c26f2460 2023-06-08 op 	case SIGCHLD:
392 c26f2460 2023-06-08 op 		log_warnx("one child died, quitting");
393 c26f2460 2023-06-08 op 		/* fallthrough */
394 c26f2460 2023-06-08 op 	case SIGTERM:
395 c26f2460 2023-06-08 op 	case SIGINT:
396 c26f2460 2023-06-08 op 		main_shutdown(ps->ps_env);
397 c26f2460 2023-06-08 op 		break;
398 c26f2460 2023-06-08 op 	default:
399 c26f2460 2023-06-08 op 		fatalx("unexpected signal %d", sig);
400 c26f2460 2023-06-08 op 	}
401 c26f2460 2023-06-08 op }
402 c26f2460 2023-06-08 op 
403 c26f2460 2023-06-08 op static int
404 c26f2460 2023-06-08 op main_dispatch_server(int fd, struct privsep_proc *p, struct imsg *imsg)
405 c26f2460 2023-06-08 op {
406 c26f2460 2023-06-08 op 	struct privsep	*ps = p->p_ps;
407 c26f2460 2023-06-08 op 	struct conf	*conf = ps->ps_env;
408 c26f2460 2023-06-08 op 
409 c26f2460 2023-06-08 op 	switch (imsg->hdr.type) {
410 c26f2460 2023-06-08 op 	case IMSG_RECONF_DONE:
411 c26f2460 2023-06-08 op 		main_configure_done(conf);
412 c26f2460 2023-06-08 op 		break;
413 c26f2460 2023-06-08 op 	default:
414 c26f2460 2023-06-08 op 		return -1;
415 c26f2460 2023-06-08 op 	}
416 c26f2460 2023-06-08 op 
417 c26f2460 2023-06-08 op 	return 0;
418 c26f2460 2023-06-08 op }
419 c26f2460 2023-06-08 op 
420 c26f2460 2023-06-08 op static int
421 86693a33 2023-06-11 op main_dispatch_crypto(int fd, struct privsep_proc *p, struct imsg *imsg)
422 86693a33 2023-06-11 op {
423 86693a33 2023-06-11 op 	struct privsep	*ps = p->p_ps;
424 86693a33 2023-06-11 op 	struct conf	*conf = ps->ps_env;
425 86693a33 2023-06-11 op 
426 86693a33 2023-06-11 op 	switch (imsg->hdr.type) {
427 86693a33 2023-06-11 op 	case IMSG_RECONF_DONE:
428 86693a33 2023-06-11 op 		main_configure_done(conf);
429 86693a33 2023-06-11 op 		break;
430 86693a33 2023-06-11 op 	default:
431 86693a33 2023-06-11 op 		return -1;
432 86693a33 2023-06-11 op 	}
433 86693a33 2023-06-11 op 
434 86693a33 2023-06-11 op 	return 0;
435 86693a33 2023-06-11 op }
436 86693a33 2023-06-11 op 
437 86693a33 2023-06-11 op static int
438 c26f2460 2023-06-08 op main_dispatch_logger(int fd, struct privsep_proc *p, struct imsg *imsg)
439 c26f2460 2023-06-08 op {
440 c26f2460 2023-06-08 op 	struct privsep	*ps = p->p_ps;
441 c26f2460 2023-06-08 op 	struct conf	*conf = ps->ps_env;
442 c26f2460 2023-06-08 op 
443 c26f2460 2023-06-08 op 	switch (imsg->hdr.type) {
444 c26f2460 2023-06-08 op 	case IMSG_RECONF_DONE:
445 c26f2460 2023-06-08 op 		main_configure_done(conf);
446 c26f2460 2023-06-08 op 		break;
447 c26f2460 2023-06-08 op 	default:
448 c26f2460 2023-06-08 op 		return -1;
449 c26f2460 2023-06-08 op 	}
450 c26f2460 2023-06-08 op 
451 c26f2460 2023-06-08 op 	return 0;
452 c26f2460 2023-06-08 op }
453 c26f2460 2023-06-08 op 
454 c26f2460 2023-06-08 op static void __dead
455 c26f2460 2023-06-08 op main_shutdown(struct conf *conf)
456 c26f2460 2023-06-08 op {
457 c26f2460 2023-06-08 op 	proc_kill(conf->ps);
458 af1dab18 2023-06-09 op 	config_purge(conf);
459 c26f2460 2023-06-08 op 	free(conf->ps);
460 c26f2460 2023-06-08 op 	/* free(conf); */
461 c26f2460 2023-06-08 op 
462 c26f2460 2023-06-08 op 	log_info("parent terminating, pid %d", getpid());
463 c26f2460 2023-06-08 op 
464 8e8b2e25 2021-04-28 op 	if (pidfd != -1)
465 8e8b2e25 2021-04-28 op 		close(pidfd);
466 8e8b2e25 2021-04-28 op 
467 c26f2460 2023-06-08 op 	exit(0);
468 5af19830 2023-06-09 op }
469 5af19830 2023-06-09 op 
470 5af19830 2023-06-09 op static void
471 5af19830 2023-06-09 op main_print_conf(struct conf *conf)
472 5af19830 2023-06-09 op {
473 5af19830 2023-06-09 op 	struct vhost	*h;
474 5af19830 2023-06-09 op 	/* struct location	*l; */
475 5af19830 2023-06-09 op 	/* struct envlist	*e; */
476 5af19830 2023-06-09 op 	/* struct alist	*a; */
477 5af19830 2023-06-09 op 
478 5af19830 2023-06-09 op 	if (*conf->chroot != '\0')
479 5af19830 2023-06-09 op 		printf("chroot \"%s\"\n", conf->chroot);
480 5af19830 2023-06-09 op 	/* XXX: defined mimes? */
481 5af19830 2023-06-09 op 	printf("prefork %d\n", conf->prefork);
482 5af19830 2023-06-09 op 	/* XXX: protocols? */
483 5af19830 2023-06-09 op 	if (*conf->user != '\0')
484 5af19830 2023-06-09 op 		printf("user \"%s\"\n", conf->user);
485 5af19830 2023-06-09 op 
486 5af19830 2023-06-09 op 	TAILQ_FOREACH(h, &conf->hosts, vhosts) {
487 5af19830 2023-06-09 op 		printf("\nserver \"%s\" {\n", h->domain);
488 5af19830 2023-06-09 op 		printf("	cert \"%s\"\n", h->cert);
489 5af19830 2023-06-09 op 		printf("	key \"%s\"\n", h->key);
490 5af19830 2023-06-09 op 		/* TODO: print locations... */
491 5af19830 2023-06-09 op 		printf("}\n");
492 5af19830 2023-06-09 op 	}
493 3e4749f7 2020-10-02 op }