Move listen code to listen.c

1 files changed, 0 insertions, 167 deletions

diff --git a/linger.c b/linger.c
deleted file mode 100644
index 3e34fab..0000000
--- a/linger.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/* Copyright (C) 2019  C. McEnroe <june@causal.agency>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <err.h>
-#include <limits.h>
-#include <netdb.h>
-#include <netinet/in.h>
-#include <poll.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/socket.h>
-#include <sysexits.h>
-#include <tls.h>
-#include <unistd.h>
-
-#ifndef DEFAULT_CERT_PATH
-#define DEFAULT_CERT_PATH "/usr/local/etc/letsencrypt/live/%s/fullchain.pem"
-#endif
-
-#ifndef DEFAULT_PRIV_PATH
-#define DEFAULT_PRIV_PATH "/usr/local/etc/letsencrypt/live/%s/privkey.pem"
-#endif
-
-static char *censor(char *arg) {
-	char *dup = strdup(arg);
-	if (!dup) err(EX_OSERR, "strdup");
-	memset(arg, '*', strlen(dup));
-	return dup;
-}
-
-int main(int argc, char *argv[]) {
-	int error;
-
-	const char *localHost = "localhost";
-	const char *localPort = "6697";
-	const char *localPass = NULL;
-	char certPath[PATH_MAX] = "";
-	char privPath[PATH_MAX] = "";
-
-	const char *host = NULL;
-	const char *port = "6697";
-	const char *pass = NULL;
-	const char *auth = NULL;
-	const char *nick = NULL;
-	const char *user = NULL;
-	const char *real = NULL;
-	const char *join = NULL;
-
-	int opt;
-	while (0 < (opt = getopt(argc, argv, "C:H:K:P:W:a:h:j:n:p:r:u:w:"))) {
-		switch (opt) {
-			break; case 'C': strlcpy(certPath, optarg, sizeof(certPath));
-			break; case 'H': localHost = optarg;
-			break; case 'K': strlcpy(privPath, optarg, sizeof(privPath));
-			break; case 'P': localPort = optarg;
-			break; case 'W': localPass = censor(optarg);
-			break; case 'a': auth = censor(optarg);
-			break; case 'h': host = optarg;
-			break; case 'j': join = optarg;
-			break; case 'n': nick = optarg;
-			break; case 'p': port = optarg;
-			break; case 'r': real = optarg;
-			break; case 'u': user = optarg;
-			break; case 'w': pass = censor(optarg);
-			break; default:  return EX_USAGE;
-		}
-	}
-
-	if (!certPath[0]) {
-		snprintf(certPath, sizeof(certPath), DEFAULT_CERT_PATH, localHost);
-	}
-	if (!privPath[0]) {
-		snprintf(privPath, sizeof(privPath), DEFAULT_PRIV_PATH, localHost);
-	}
-
-	if (!host) errx(EX_USAGE, "no host");
-	if (!nick) {
-		nick = getenv("USER");
-		if (!nick) errx(EX_CONFIG, "USER unset");
-	}
-	if (!user) user = nick;
-	if (!real) real = nick;
-
-	struct tls_config *config = tls_config_new();
-	if (!config) errx(EX_SOFTWARE, "tls_config_new");
-
-	error = tls_config_set_keypair_file(config, certPath, privPath);
-	if (error) {
-		errx(
-			EX_CONFIG, "tls_config_set_keypair_file: %s",
-			tls_config_error(config)
-		);
-	}
-
-	struct tls *server = tls_server();
-	if (!server) errx(EX_SOFTWARE, "tls_server");
-
-	error = tls_configure(server, config);
-	if (error) errx(EX_SOFTWARE, "tls_configure: %s", tls_error(server));
-	tls_config_free(config);
-
-	struct addrinfo *head;
-	struct addrinfo hints = {
-		.ai_family = AF_UNSPEC,
-		.ai_socktype = SOCK_STREAM,
-		.ai_protocol = IPPROTO_TCP,
-	};
-	error = getaddrinfo(localHost, localPort, &hints, &head);
-	if (error) {
-		errx(EX_NOHOST, "%s:%s: %s", localHost, localPort, gai_strerror(error));
-	}
-
-	enum { PollCap = 64 };
-	struct pollfd fds[PollCap];
-
-	size_t binds = 0;
-	for (struct addrinfo *ai = head; ai; ai = ai->ai_next) {
-		fds[binds].fd = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
-		if (fds[binds].fd < 0) err(EX_OSERR, "socket");
-
-		error = bind(fds[binds].fd, ai->ai_addr, ai->ai_addrlen);
-		if (error) {
-			warn("%s:%s", localHost, localPort);
-			close(fds[binds].fd);
-			continue;
-		}
-
-		if (++binds == PollCap) errx(EX_CONFIG, "too many sockets to bind");
-	}
-	if (!binds) return EX_UNAVAILABLE;
-	freeaddrinfo(head);
-
-	for (size_t i = 0; i < binds; ++i) {
-		fds[i].events = POLLIN;
-		error = listen(fds[i].fd, 1);
-		if (error) err(EX_IOERR, "listen");
-	}
-
-	while (0 < poll(fds, binds, -1)) {
-		for (size_t i = 0; i < binds; ++i) {
-			if (!fds[i].revents) continue;
-
-			int sock = accept(fds[i].fd, NULL, NULL);
-			if (sock < 0) err(EX_IOERR, "accept");
-
-			struct tls *client;
-			error = tls_accept_socket(server, &client, sock);
-			if (error) {
-				errx(EX_SOFTWARE, "tls_accept_socket: %s", tls_error(server));
-			}
-		}
-	}
-}