2 3e4749f7 2020-10-02 op * Copyright (c) 2020 Omar Polo <op@omarpolo.com>
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.
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.
17 8443bff7 2021-01-25 op #include <sys/stat.h>
19 592fd624 2020-10-07 op #include <errno.h>
20 3e4749f7 2020-10-02 op #include <fcntl.h>
21 bcf5d929 2021-02-01 op #include <limits.h>
22 231bfcdc 2020-12-21 op #include <limits.h>
23 709d6e5e 2021-01-10 op #include <netdb.h>
24 ae08ec7d 2021-01-25 op #include <pwd.h>
25 0cf902af 2020-11-03 op #include <signal.h>
26 80bbcad5 2021-01-10 op #include <stdarg.h>
27 3e4749f7 2020-10-02 op #include <string.h>
29 8443bff7 2021-01-25 op #include <openssl/pem.h>
30 8443bff7 2021-01-25 op #include <openssl/x509.h>
32 488f059a 2020-12-24 op #include "gmid.h"
34 15902770 2021-01-15 op struct vhost hosts[HOSTSLEN];
36 d672b8fb 2021-02-03 op int exfd, foreground, verbose, sock4, sock6;
38 d672b8fb 2021-02-03 op const char *config_path, *certs_dir, *hostname;
40 15902770 2021-01-15 op struct conf conf;
42 ae08ec7d 2021-01-25 op struct tls *ctx;
45 80bbcad5 2021-01-10 op fatal(const char *fmt, ...)
49 80bbcad5 2021-01-10 op va_start(ap, fmt);
51 46af8c6c 2021-01-27 op if (foreground) {
52 80bbcad5 2021-01-10 op vfprintf(stderr, fmt, ap);
53 80bbcad5 2021-01-10 op fprintf(stderr, "\n");
55 80bbcad5 2021-01-10 op vsyslog(LOG_DAEMON | LOG_CRIT, fmt, ap);
62 709d6e5e 2021-01-10 op logs(int priority, struct client *c,
63 709d6e5e 2021-01-10 op const char *fmt, ...)
65 709d6e5e 2021-01-10 op char hbuf[NI_MAXHOST], sbuf[NI_MAXSERV];
66 709d6e5e 2021-01-10 op char *fmted, *s;
71 8904fa0e 2021-01-27 op if (foreground && !verbose) {
72 8904fa0e 2021-01-27 op if (priority == LOG_DEBUG || priority == LOG_INFO)
76 80bbcad5 2021-01-10 op va_start(ap, fmt);
78 dafb57b8 2021-01-15 op if (c == NULL) {
79 dafb57b8 2021-01-15 op strncpy(hbuf, "<internal>", sizeof(hbuf));
80 dafb57b8 2021-01-15 op sbuf[0] = '\0';
82 dafb57b8 2021-01-15 op len = sizeof(c->addr);
83 dafb57b8 2021-01-15 op ec = getnameinfo((struct sockaddr*)&c->addr, len,
84 f7b816dc 2021-01-15 op hbuf, sizeof(hbuf),
85 f7b816dc 2021-01-15 op sbuf, sizeof(sbuf),
86 f7b816dc 2021-01-15 op NI_NUMERICHOST | NI_NUMERICSERV);
88 dafb57b8 2021-01-15 op fatal("getnameinfo: %s", gai_strerror(ec));
91 709d6e5e 2021-01-10 op if (vasprintf(&fmted, fmt, ap) == -1)
92 709d6e5e 2021-01-10 op fatal("vasprintf: %s", strerror(errno));
94 46af8c6c 2021-01-27 op if (foreground)
95 709d6e5e 2021-01-10 op fprintf(stderr, "%s:%s %s\n", hbuf, sbuf, fmted);
97 709d6e5e 2021-01-10 op if (asprintf(&s, "%s:%s %s", hbuf, sbuf, fmted) == -1)
98 709d6e5e 2021-01-10 op fatal("asprintf: %s", strerror(errno));
99 709d6e5e 2021-01-10 op syslog(priority | LOG_DAEMON, "%s", s);
108 0be51733 2021-01-20 op /* strchr, but with a bound */
109 0be51733 2021-01-20 op static char *
110 0be51733 2021-01-20 op gmid_strnchr(char *s, int c, size_t len)
114 0be51733 2021-01-20 op for (i = 0; i < len; ++i)
115 0be51733 2021-01-20 op if (s[i] == c)
116 0be51733 2021-01-20 op return &s[i];
121 0be51733 2021-01-20 op log_request(struct client *c, char *meta, size_t l)
123 0be51733 2021-01-20 op char hbuf[NI_MAXHOST], sbuf[NI_MAXSERV], b[GEMINI_URL_LEN];
128 0be51733 2021-01-20 op len = sizeof(c->addr);
129 0be51733 2021-01-20 op ec = getnameinfo((struct sockaddr*)&c->addr, len,
130 0be51733 2021-01-20 op hbuf, sizeof(hbuf),
131 0be51733 2021-01-20 op sbuf, sizeof(sbuf),
132 0be51733 2021-01-20 op NI_NUMERICHOST | NI_NUMERICSERV);
134 0be51733 2021-01-20 op fatal("getnameinfo: %s", gai_strerror(ec));
136 0ab65593 2021-01-21 op if (c->iri.schema != NULL) {
137 0ab65593 2021-01-21 op /* serialize the IRI */
138 0ab65593 2021-01-21 op strlcpy(b, c->iri.schema, sizeof(b));
139 0ab65593 2021-01-21 op strlcat(b, "://", sizeof(b));
141 3300cbe0 2021-01-27 op /* log the decoded host name, but if it was invalid
142 3300cbe0 2021-01-27 op * use the raw one. */
143 3300cbe0 2021-01-27 op if (*c->domain != '\0')
144 3300cbe0 2021-01-27 op strlcat(b, c->domain, sizeof(b));
146 3300cbe0 2021-01-27 op strlcat(b, c->iri.host, sizeof(b));
148 0ab65593 2021-01-21 op strlcat(b, "/", sizeof(b));
149 0ab65593 2021-01-21 op strlcat(b, c->iri.path, sizeof(b)); /* TODO: sanitize UTF8 */
150 0ab65593 2021-01-21 op if (*c->iri.query != '\0') { /* TODO: sanitize UTF8 */
151 0ab65593 2021-01-21 op strlcat(b, "?", sizeof(b));
152 0ab65593 2021-01-21 op strlcat(b, c->iri.query, sizeof(b));
155 0ab65593 2021-01-21 op strlcpy(b, c->req, sizeof(b));
158 0be51733 2021-01-20 op if ((t = gmid_strnchr(meta, '\r', l)) == NULL)
159 0be51733 2021-01-20 op t = meta + len;
161 46af8c6c 2021-01-27 op if (foreground)
162 0be51733 2021-01-20 op fprintf(stderr, "%s:%s GET %s %.*s\n", hbuf, sbuf, b,
163 0be51733 2021-01-20 op (int)(t - meta), meta);
165 0be51733 2021-01-20 op syslog(LOG_INFO | LOG_DAEMON, "%s:%s GET %s %.*s",
166 0be51733 2021-01-20 op hbuf, sbuf, b, (int)(t - meta), meta);
170 4a28dd01 2020-12-28 op sig_handler(int sig)
176 8443bff7 2021-01-25 op gen_certificate(const char *host, const char *certpath, const char *keypath)
179 8443bff7 2021-01-25 op EVP_PKEY *pkey;
182 8443bff7 2021-01-25 op X509_NAME *name;
184 8443bff7 2021-01-25 op const char *org = "gmid";
186 44ee1bac 2021-01-27 op LOGN(NULL, "generating new certificate for %s (it could take a while)",
189 8443bff7 2021-01-25 op if ((pkey = EVP_PKEY_new()) == NULL)
190 8443bff7 2021-01-25 op fatal("couldn't create a new private key");
192 8443bff7 2021-01-25 op if ((rsa = RSA_new()) == NULL)
193 8443bff7 2021-01-25 op fatal("could'nt generate rsa");
196 8443bff7 2021-01-25 op BN_set_word(&e, 17);
197 8443bff7 2021-01-25 op if (!RSA_generate_key_ex(rsa, 4096, &e, NULL))
198 8443bff7 2021-01-25 op fatal("couldn't generate a rsa key");
200 8443bff7 2021-01-25 op if (!EVP_PKEY_assign_RSA(pkey, rsa))
201 8443bff7 2021-01-25 op fatal("couldn't assign the key");
203 8443bff7 2021-01-25 op if ((x509 = X509_new()) == NULL)
204 8443bff7 2021-01-25 op fatal("couldn't generate the X509 certificate");
206 8443bff7 2021-01-25 op ASN1_INTEGER_set(X509_get_serialNumber(x509), 1);
207 8443bff7 2021-01-25 op X509_gmtime_adj(X509_get_notBefore(x509), 0);
208 8443bff7 2021-01-25 op X509_gmtime_adj(X509_get_notAfter(x509), 315360000L); /* 10 years */
210 8443bff7 2021-01-25 op if (!X509_set_pubkey(x509, pkey))
211 8443bff7 2021-01-25 op fatal("couldn't set the public key");
213 8443bff7 2021-01-25 op name = X509_get_subject_name(x509);
214 8443bff7 2021-01-25 op if (!X509_NAME_add_entry_by_txt(name, "O", MBSTRING_ASC, org, -1, -1, 0))
215 8443bff7 2021-01-25 op fatal("couldn't add N to cert");
216 8443bff7 2021-01-25 op if (!X509_NAME_add_entry_by_txt(name, "CN", MBSTRING_ASC, host, -1, -1, 0))
217 8443bff7 2021-01-25 op fatal("couldn't add CN to cert");
218 8443bff7 2021-01-25 op X509_set_issuer_name(x509, name);
220 8443bff7 2021-01-25 op if (!X509_sign(x509, pkey, EVP_sha256()))
221 8443bff7 2021-01-25 op fatal("couldn't sign the certificate");
223 8443bff7 2021-01-25 op if ((f = fopen(keypath, "w")) == NULL)
224 8443bff7 2021-01-25 op fatal("fopen(%s): %s", keypath, strerror(errno));
225 8443bff7 2021-01-25 op if (!PEM_write_PrivateKey(f, pkey, NULL, NULL, 0, NULL, NULL))
226 8443bff7 2021-01-25 op fatal("couldn't write private key");
229 8443bff7 2021-01-25 op if ((f = fopen(certpath, "w")) == NULL)
230 8443bff7 2021-01-25 op fatal("fopen(%s): %s", certpath, strerror(errno));
231 8443bff7 2021-01-25 op if (!PEM_write_X509(f, x509))
232 8443bff7 2021-01-25 op fatal("couldn't write cert");
235 8443bff7 2021-01-25 op X509_free(x509);
236 8443bff7 2021-01-25 op RSA_free(rsa);
239 8443bff7 2021-01-25 op /* XXX: create recursively */
241 8443bff7 2021-01-25 op mkdirs(const char *path)
243 8443bff7 2021-01-25 op if (mkdir(path, 0755) == -1 && errno != EEXIST)
244 8443bff7 2021-01-25 op fatal("can't mkdir %s: %s", path, strerror(errno));
247 8443bff7 2021-01-25 op /* $XDG_DATA_HOME/gmid */
249 8443bff7 2021-01-25 op data_dir(void)
251 8443bff7 2021-01-25 op const char *home, *xdg;
254 8443bff7 2021-01-25 op if ((xdg = getenv("XDG_DATA_HOME")) == NULL) {
255 8443bff7 2021-01-25 op if ((home = getenv("HOME")) == NULL)
256 8443bff7 2021-01-25 op errx(1, "XDG_DATA_HOME and HOME both empty");
257 8443bff7 2021-01-25 op if (asprintf(&t, "%s/.local/share/gmid", home) == -1)
258 8443bff7 2021-01-25 op err(1, "asprintf");
263 8443bff7 2021-01-25 op if (asprintf(&t, "%s/gmid", xdg) == -1)
264 8443bff7 2021-01-25 op err(1, "asprintf");
270 8443bff7 2021-01-25 op load_local_cert(const char *hostname, const char *dir)
272 8443bff7 2021-01-25 op char *cert, *key;
274 8443bff7 2021-01-25 op if (asprintf(&cert, "%s/%s.cert.pem", dir, hostname) == -1)
275 8443bff7 2021-01-25 op errx(1, "asprintf");
276 8443bff7 2021-01-25 op if (asprintf(&key, "%s/%s.key.pem", dir, hostname) == -1)
277 8443bff7 2021-01-25 op errx(1, "asprintf");
279 8443bff7 2021-01-25 op if (access(cert, R_OK) == -1 || access(key, R_OK) == -1)
280 8443bff7 2021-01-25 op gen_certificate(hostname, cert, key);
282 8443bff7 2021-01-25 op hosts[0].cert = cert;
283 8443bff7 2021-01-25 op hosts[0].key = key;
284 8443bff7 2021-01-25 op hosts[0].domain = hostname;
288 ae08ec7d 2021-01-25 op load_vhosts(void)
290 15902770 2021-01-15 op struct vhost *h;
292 15902770 2021-01-15 op for (h = hosts; h->domain != NULL; ++h) {
293 d3a08f4d 2021-01-17 op if ((h->dirfd = open(h->dir, O_RDONLY | O_DIRECTORY)) == -1)
294 132cae8c 2021-01-18 op fatal("open %s for domain %s", h->dir, h->domain);
299 9468027b 2020-10-15 op make_socket(int port, int family)
302 9468027b 2020-10-15 op struct sockaddr_in addr4;
303 9468027b 2020-10-15 op struct sockaddr_in6 addr6;
304 9468027b 2020-10-15 op struct sockaddr *addr;
305 9468027b 2020-10-15 op socklen_t len;
307 9468027b 2020-10-15 op switch (family) {
308 9468027b 2020-10-15 op case AF_INET:
309 9468027b 2020-10-15 op bzero(&addr4, sizeof(addr4));
310 9468027b 2020-10-15 op addr4.sin_family = family;
311 9468027b 2020-10-15 op addr4.sin_port = htons(port);
312 9468027b 2020-10-15 op addr4.sin_addr.s_addr = INADDR_ANY;
313 9468027b 2020-10-15 op addr = (struct sockaddr*)&addr4;
314 9468027b 2020-10-15 op len = sizeof(addr4);
317 9468027b 2020-10-15 op case AF_INET6:
318 9468027b 2020-10-15 op bzero(&addr6, sizeof(addr6));
319 9468027b 2020-10-15 op addr6.sin6_family = AF_INET6;
320 9468027b 2020-10-15 op addr6.sin6_port = htons(port);
321 9468027b 2020-10-15 op addr6.sin6_addr = in6addr_any;
322 9468027b 2020-10-15 op addr = (struct sockaddr*)&addr6;
323 9468027b 2020-10-15 op len = sizeof(addr6);
327 9468027b 2020-10-15 op /* unreachable */
331 9468027b 2020-10-15 op if ((sock = socket(family, SOCK_STREAM, 0)) == -1)
332 80bbcad5 2021-01-10 op fatal("socket: %s", strerror(errno));
335 3e4749f7 2020-10-02 op if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &v, sizeof(v)) == -1)
336 80bbcad5 2021-01-10 op fatal("setsockopt(SO_REUSEADDR): %s", strerror(errno));
339 3e4749f7 2020-10-02 op if (setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, &v, sizeof(v)) == -1)
340 80bbcad5 2021-01-10 op fatal("setsockopt(SO_REUSEPORT): %s", strerror(errno));
342 592fd624 2020-10-07 op mark_nonblock(sock);
344 9468027b 2020-10-15 op if (bind(sock, addr, len) == -1)
345 80bbcad5 2021-01-10 op fatal("bind: %s", strerror(errno));
347 3e4749f7 2020-10-02 op if (listen(sock, 16) == -1)
348 80bbcad5 2021-01-10 op fatal("listen: %s", strerror(errno));
354 ae08ec7d 2021-01-25 op setup_tls(void)
356 881a9dd9 2021-01-16 op struct tls_config *tlsconf;
357 ae08ec7d 2021-01-25 op struct vhost *h;
359 881a9dd9 2021-01-16 op if ((tlsconf = tls_config_new()) == NULL)
360 132cae8c 2021-01-18 op fatal("tls_config_new");
362 881a9dd9 2021-01-16 op /* optionally accept client certs, but don't try to verify them */
363 881a9dd9 2021-01-16 op tls_config_verify_client_optional(tlsconf);
364 881a9dd9 2021-01-16 op tls_config_insecure_noverifycert(tlsconf);
366 881a9dd9 2021-01-16 op if (tls_config_set_protocols(tlsconf, conf.protos) == -1)
367 132cae8c 2021-01-18 op fatal("tls_config_set_protocols");
369 881a9dd9 2021-01-16 op if ((ctx = tls_server()) == NULL)
370 132cae8c 2021-01-18 op fatal("tls_server failure");
372 ae08ec7d 2021-01-25 op /* we need to set something, then we can add how many key we want */
373 ae08ec7d 2021-01-25 op if (tls_config_set_keypair_file(tlsconf, hosts->cert, hosts->key))
374 ae08ec7d 2021-01-25 op fatal("tls_config_set_keypair_file failed");
376 8443bff7 2021-01-25 op for (h = &hosts[1]; h->domain != NULL; ++h) {
377 ae08ec7d 2021-01-25 op if (tls_config_add_keypair_file(tlsconf, h->cert, h->key) == -1)
378 ae08ec7d 2021-01-25 op fatal("failed to load the keypair (%s, %s)",
379 ae08ec7d 2021-01-25 op h->cert, h->key);
382 881a9dd9 2021-01-16 op if (tls_configure(ctx, tlsconf) == -1)
383 132cae8c 2021-01-18 op fatal("tls_configure: %s", tls_error(ctx));
387 ae08ec7d 2021-01-25 op listener_main(void)
389 ae08ec7d 2021-01-25 op load_default_mime(&conf.mime);
390 ae08ec7d 2021-01-25 op load_vhosts();
392 881a9dd9 2021-01-16 op loop(ctx, sock4, sock6);
397 8d6ae384 2021-01-24 op init_config(void)
401 15902770 2021-01-15 op bzero(hosts, sizeof(hosts));
402 15902770 2021-01-15 op for (i = 0; i < HOSTSLEN; ++i)
403 15902770 2021-01-15 op hosts[i].dirfd = -1;
405 15902770 2021-01-15 op conf.port = 1965;
406 15902770 2021-01-15 op conf.ipv6 = 0;
407 5bc3c98e 2021-01-15 op conf.protos = TLS_PROTOCOL_TLSv1_2 | TLS_PROTOCOL_TLSv1_3;
409 b2a6b613 2021-01-21 op init_mime(&conf.mime);
411 ae08ec7d 2021-01-25 op conf.chroot = NULL;
412 ae08ec7d 2021-01-25 op conf.user = NULL;
416 ae08ec7d 2021-01-25 op drop_priv(void)
418 ae08ec7d 2021-01-25 op struct passwd *pw = NULL;
420 ae08ec7d 2021-01-25 op if (conf.chroot != NULL && conf.user == NULL)
421 ae08ec7d 2021-01-25 op fatal("can't chroot without an user to switch to after.");
423 ae08ec7d 2021-01-25 op if (conf.user != NULL) {
424 ae08ec7d 2021-01-25 op if ((pw = getpwnam(conf.user)) == NULL)
425 ae08ec7d 2021-01-25 op fatal("can't find user %s", conf.user);
428 ae08ec7d 2021-01-25 op if (conf.chroot != NULL) {
429 ae08ec7d 2021-01-25 op if (chroot(conf.chroot) != 0 || chdir("/") != 0)
430 ae08ec7d 2021-01-25 op fatal("%s: %s", conf.chroot, strerror(errno));
433 ae08ec7d 2021-01-25 op if (pw != NULL) {
434 ae08ec7d 2021-01-25 op if (setresuid(pw->pw_uid, pw->pw_uid, pw->pw_uid) == -1)
435 ae08ec7d 2021-01-25 op fatal("setresuid(%d): %s", pw->pw_uid,
436 ae08ec7d 2021-01-25 op strerror(errno));
439 ae08ec7d 2021-01-25 op if (getuid() == 0)
440 ae08ec7d 2021-01-25 op LOGW(NULL, "%s",
441 ae08ec7d 2021-01-25 op "not a good idea to run a network daemon as root");
445 2030e314 2021-01-25 op usage(const char *me)
447 2030e314 2021-01-25 op fprintf(stderr,
448 46af8c6c 2021-01-27 op "USAGE: %s [-fn] [-c config] | [-6h] [-d certs-dir] [-H host]"
449 8443bff7 2021-01-25 op " [-p port] [-x cgi] [dir]",
454 d672b8fb 2021-02-03 op serve(int argc, char **argv, int *p)
456 d672b8fb 2021-02-03 op char path[PATH_MAX];
458 d672b8fb 2021-02-03 op if (config_path == NULL) {
459 d672b8fb 2021-02-03 op if (hostname == NULL)
460 d672b8fb 2021-02-03 op hostname = "localhost";
461 d672b8fb 2021-02-03 op if (certs_dir == NULL)
462 d672b8fb 2021-02-03 op certs_dir = data_dir();
463 d672b8fb 2021-02-03 op load_local_cert(hostname, certs_dir);
465 d672b8fb 2021-02-03 op hosts[0].domain = "*";
466 d672b8fb 2021-02-03 op hosts[0].locations[0].auto_index = 1;
467 d672b8fb 2021-02-03 op hosts[0].locations[0].match = "*";
469 d672b8fb 2021-02-03 op switch (argc) {
471 d672b8fb 2021-02-03 op hosts[0].dir = getcwd(path, sizeof(path));
474 d672b8fb 2021-02-03 op hosts[0].dir = absolutify_path(argv[0]);
477 d672b8fb 2021-02-03 op usage(getprogname());
481 d672b8fb 2021-02-03 op LOGN(NULL, "serving %s on port %d", hosts[0].dir, conf.port);
484 d672b8fb 2021-02-03 op /* setup tls before dropping privileges: we don't want user
485 d672b8fb 2021-02-03 op * to put private certs inside the chroot. */
488 d672b8fb 2021-02-03 op switch (fork()) {
490 d672b8fb 2021-02-03 op fatal("fork: %s", strerror(errno));
492 d672b8fb 2021-02-03 op case 0: /* child */
496 d672b8fb 2021-02-03 op listener_main();
499 d672b8fb 2021-02-03 op default: /* parent */
503 4e2e2ab1 2021-02-03 op return executor_main();
508 8d6ae384 2021-01-24 op main(int argc, char **argv)
510 8d6ae384 2021-01-24 op int ch, p[2];
511 8443bff7 2021-01-25 op int conftest = 0, configless = 0;
513 501e489c 2021-01-24 op init_config();
515 8904fa0e 2021-01-27 op while ((ch = getopt(argc, argv, "6c:d:fH:hnp:vx:")) != -1) {
516 3e4749f7 2020-10-02 op switch (ch) {
518 15902770 2021-01-15 op conf.ipv6 = 1;
519 8443bff7 2021-01-25 op configless = 1;
523 15902770 2021-01-15 op config_path = optarg;
527 8443bff7 2021-01-25 op certs_dir = optarg;
528 8443bff7 2021-01-25 op configless = 1;
532 46af8c6c 2021-01-27 op foreground = 1;
536 8443bff7 2021-01-25 op hostname = optarg;
537 8443bff7 2021-01-25 op configless = 1;
541 3e4749f7 2020-10-02 op usage(*argv);
545 15902770 2021-01-15 op conftest = 1;
549 15902770 2021-01-15 op conf.port = parse_portno(optarg);
550 8443bff7 2021-01-25 op configless = 1;
558 15902770 2021-01-15 op /* drop the starting / (if any) */
559 15902770 2021-01-15 op if (*optarg == '/')
561 15902770 2021-01-15 op hosts[0].cgi = optarg;
562 8443bff7 2021-01-25 op configless = 1;
566 3e4749f7 2020-10-02 op usage(*argv);
570 8443bff7 2021-01-25 op argc -= optind;
571 8443bff7 2021-01-25 op argv += optind;
573 d672b8fb 2021-02-03 op if (config_path == NULL) {
574 72bbed91 2021-01-27 op configless = 1;
575 72bbed91 2021-01-27 op foreground = 1;
578 d672b8fb 2021-02-03 op if (config_path != NULL && (argc > 0 || configless))
579 d672b8fb 2021-02-03 op err(1, "can't specify options in config mode.");
581 132cae8c 2021-01-18 op if (conftest) {
582 d672b8fb 2021-02-03 op parse_conf(config_path);
583 132cae8c 2021-01-18 op puts("config OK");
587 4a28dd01 2020-12-28 op signal(SIGPIPE, SIG_IGN);
588 4a28dd01 2020-12-28 op signal(SIGCHLD, SIG_IGN);
590 4a28dd01 2020-12-28 op #ifdef SIGINFO
591 4a28dd01 2020-12-28 op signal(SIGINFO, sig_handler);
593 4a28dd01 2020-12-28 op signal(SIGUSR2, sig_handler);
594 46af8c6c 2021-01-27 op signal(SIGHUP, SIG_IGN);
596 46af8c6c 2021-01-27 op if (!foreground && !configless) {
597 0170ba02 2021-01-17 op if (daemon(1, 1) == -1)
598 132cae8c 2021-01-18 op fatal("daemon: %s", strerror(errno));
601 8503a143 2021-01-31 op if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC,
602 8503a143 2021-01-31 op PF_UNSPEC, p) == -1)
603 881a9dd9 2021-01-16 op fatal("socketpair: %s", strerror(errno));
605 d672b8fb 2021-02-03 op if (config_path != NULL)
606 d672b8fb 2021-02-03 op parse_conf(config_path);
608 d672b8fb 2021-02-03 op sock4 = make_socket(conf.port, AF_INET);
610 d672b8fb 2021-02-03 op if (conf.ipv6)
611 d672b8fb 2021-02-03 op sock6 = make_socket(conf.port, AF_INET6);
613 d672b8fb 2021-02-03 op return serve(argc, argv, p);