summary refs log tree commit diff
path: root/chat.c
blob: 1656a530b74ec224eac61ac56cef75337befb545 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
/* Copyright (C) 2020  C. McEnroe <june@causal.agency>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include <err.h>
#include <errno.h>
#include <locale.h>
#include <poll.h>
#include <signal.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sysexits.h>
#include <unistd.h>

#include "chat.h"

char *idNames[IDCap] = {
	[None] = "<none>",
	[Debug] = "<debug>",
	[Network] = "<network>",
};

enum Color idColors[IDCap] = {
	[None] = Black,
	[Debug] = Green,
	[Network] = Gray,
};

size_t idNext = Network + 1;

struct Self self;

static volatile sig_atomic_t signals[NSIG];
static void signalHandler(int signal) {
	signals[signal] = 1;
}

int main(int argc, char *argv[]) {
	setlocale(LC_CTYPE, "");

	bool insecure = false;
	const char *host = NULL;
	const char *port = "6697";
	const char *cert = NULL;
	const char *priv = NULL;

	bool sasl = false;
	const char *pass = NULL;
	const char *nick = NULL;
	const char *user = NULL;
	const char *real = NULL;

	int opt;
	while (0 < (opt = getopt(argc, argv, "!a:c:eh:j:k:n:p:r:u:vw:"))) {
		switch (opt) {
			break; case '!': insecure = true;
			break; case 'a': sasl = true; self.plain = optarg;
			break; case 'c': cert = optarg;
			break; case 'e': sasl = true;
			break; case 'h': host = optarg;
			break; case 'j': self.join = optarg;
			break; case 'k': priv = optarg;
			break; case 'n': nick = optarg;
			break; case 'p': port = optarg;
			break; case 'r': real = optarg;
			break; case 'u': user = optarg;
			break; case 'v': self.debug = true;
			break; case 'w': pass = optarg;
		}
	}
	if (!host) errx(EX_USAGE, "host required");

	if (!nick) nick = getenv("USER");
	if (!nick) errx(EX_CONFIG, "USER unset");
	if (!user) user = nick;
	if (!real) real = nick;

	set(&self.network, host);
	set(&self.chanTypes, "#&");
	set(&self.prefixes, "@+");

	ircConfig(insecure, cert, priv);

	uiInit();
	uiShowID(Network);
	uiFormat(Network, Cold, NULL, "Traveling...");
	uiDraw();
	
	int irc = ircConnect(host, port);
	if (pass) ircFormat("PASS :%s\r\n", pass);
	if (sasl) ircFormat("CAP REQ :sasl\r\n");
	ircFormat("CAP LS\r\n");
	ircFormat("NICK :%s\r\n", nick);
	ircFormat("USER %s 0 * :%s\r\n", user, real);

	signal(SIGHUP, signalHandler);
	signal(SIGINT, signalHandler);
	signal(SIGTERM, signalHandler);
	sig_t cursesWinch = signal(SIGWINCH, signalHandler);

	struct pollfd fds[2] = {
		{ .events = POLLIN, .fd = STDIN_FILENO },
		{ .events = POLLIN, .fd = irc },
	};
	for (;;) {
		int nfds = poll(fds, 2, -1);
		if (nfds < 0 && errno != EINTR) err(EX_IOERR, "poll");

		if (signals[SIGHUP] || signals[SIGINT] || signals[SIGTERM]) {
			break;
		}
		if (signals[SIGWINCH]) {
			signals[SIGWINCH] = 0;
			cursesWinch(SIGWINCH);
			uiRead();
		}

		if (nfds > 0 && fds[0].revents) uiRead();
		if (nfds > 0 && fds[1].revents) ircRecv();
		uiDraw();
	}

	ircFormat("QUIT\r\n");
	uiHide();
}