261 lines
6.5 KiB
C
261 lines
6.5 KiB
C
/* 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 <fcntl.h>
|
|
#include <locale.h>
|
|
#include <poll.h>
|
|
#include <signal.h>
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/wait.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 = { .color = Default };
|
|
|
|
static const char *save;
|
|
static void exitSave(void) {
|
|
int error = uiSave(save);
|
|
if (error) {
|
|
warn("%s", save);
|
|
_exit(EX_IOERR);
|
|
}
|
|
}
|
|
|
|
uint32_t hashInit;
|
|
|
|
int procPipe[2] = { -1, -1 };
|
|
|
|
static void pipeRead(void) {
|
|
char buf[1024];
|
|
ssize_t len = read(procPipe[0], buf, sizeof(buf) - 1);
|
|
if (len < 0) err(EX_IOERR, "read");
|
|
if (!len) return;
|
|
buf[len - 1] = '\0';
|
|
char *ptr = buf;
|
|
while (ptr) {
|
|
char *line = strsep(&ptr, "\n");
|
|
uiFormat(Network, Warm, NULL, "%s", line);
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
const char *Opts = "!C:H:O:a:c:eh:j:k:n:p:r:s:u:vw:";
|
|
const struct option LongOpts[] = {
|
|
{ "insecure", no_argument, NULL, '!' },
|
|
{ "copy", required_argument, NULL, 'C' },
|
|
{ "hash", required_argument, NULL, 'H' },
|
|
{ "open", required_argument, NULL, 'O' },
|
|
{ "sasl-plain", required_argument, NULL, 'a' },
|
|
{ "cert", required_argument, NULL, 'c' },
|
|
{ "sasl-external", no_argument, NULL, 'e' },
|
|
{ "host", required_argument, NULL, 'h' },
|
|
{ "join", required_argument, NULL, 'j' },
|
|
{ "priv", required_argument, NULL, 'k' },
|
|
{ "nick", required_argument, NULL, 'n' },
|
|
{ "port", required_argument, NULL, 'p' },
|
|
{ "real", required_argument, NULL, 'r' },
|
|
{ "save", required_argument, NULL, 's' },
|
|
{ "user", required_argument, NULL, 'u' },
|
|
{ "debug", no_argument, NULL, 'v' },
|
|
{ "pass", required_argument, NULL, 'w' },
|
|
{0},
|
|
};
|
|
|
|
int opt;
|
|
while (0 < (opt = getopt_config(argc, argv, Opts, LongOpts, NULL))) {
|
|
switch (opt) {
|
|
break; case '!': insecure = true;
|
|
break; case 'C': urlCopyUtil = optarg;
|
|
break; case 'H': hashInit = strtoul(optarg, NULL, 0);
|
|
break; case 'O': urlOpenUtil = optarg;
|
|
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 's': save = optarg;
|
|
break; case 'u': user = optarg;
|
|
break; case 'v': self.debug = true;
|
|
break; case 'w': pass = optarg;
|
|
break; default: return EX_USAGE;
|
|
}
|
|
}
|
|
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.nick, "*");
|
|
set(&self.network, host);
|
|
set(&self.chanTypes, "#&");
|
|
set(&self.prefixes, "@+");
|
|
commandComplete();
|
|
|
|
FILE *certFile = NULL;
|
|
FILE *privFile = NULL;
|
|
if (cert) {
|
|
certFile = configOpen(cert, "r");
|
|
if (!certFile) return EX_NOINPUT;
|
|
}
|
|
if (priv) {
|
|
privFile = configOpen(priv, "r");
|
|
if (!privFile) return EX_NOINPUT;
|
|
}
|
|
ircConfig(insecure, certFile, privFile);
|
|
if (certFile) fclose(certFile);
|
|
if (privFile) fclose(privFile);
|
|
|
|
uiInit();
|
|
if (save) {
|
|
uiLoad(save);
|
|
atexit(exitSave);
|
|
}
|
|
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);
|
|
signal(SIGCHLD, signalHandler);
|
|
sig_t cursesWinch = signal(SIGWINCH, signalHandler);
|
|
|
|
int error = pipe(procPipe);
|
|
if (error) err(EX_OSERR, "pipe");
|
|
|
|
fcntl(irc, F_SETFD, FD_CLOEXEC);
|
|
fcntl(procPipe[0], F_SETFD, FD_CLOEXEC);
|
|
fcntl(procPipe[1], F_SETFD, FD_CLOEXEC);
|
|
|
|
struct pollfd fds[3] = {
|
|
{ .events = POLLIN, .fd = STDIN_FILENO },
|
|
{ .events = POLLIN, .fd = irc },
|
|
{ .events = POLLIN, .fd = procPipe[0] },
|
|
};
|
|
while (!self.quit) {
|
|
int nfds = poll(fds, ARRAY_LEN(fds), -1);
|
|
if (nfds < 0 && errno != EINTR) err(EX_IOERR, "poll");
|
|
if (nfds > 0) {
|
|
if (fds[0].revents) uiRead();
|
|
if (fds[1].revents) ircRecv();
|
|
if (fds[2].revents) pipeRead();
|
|
}
|
|
|
|
if (signals[SIGHUP]) self.quit = "zzz";
|
|
if (signals[SIGINT] || signals[SIGTERM]) break;
|
|
|
|
if (signals[SIGCHLD]) {
|
|
signals[SIGCHLD] = 0;
|
|
int status;
|
|
while (0 < waitpid(-1, &status, WNOHANG)) {
|
|
if (WIFEXITED(status) && WEXITSTATUS(status)) {
|
|
uiFormat(
|
|
Network, Warm, NULL,
|
|
"Process exits with status %d", WEXITSTATUS(status)
|
|
);
|
|
} else if (WIFSIGNALED(status)) {
|
|
uiFormat(
|
|
Network, Warm, NULL,
|
|
"Process terminates from %s",
|
|
strsignal(WTERMSIG(status))
|
|
);
|
|
}
|
|
}
|
|
uiShow();
|
|
}
|
|
|
|
if (signals[SIGWINCH]) {
|
|
signals[SIGWINCH] = 0;
|
|
cursesWinch(SIGWINCH);
|
|
// XXX: For some reason, calling uiDraw() here is the only way to
|
|
// get uiRead() to properly receive KEY_RESIZE.
|
|
uiDraw();
|
|
uiRead();
|
|
}
|
|
|
|
uiDraw();
|
|
}
|
|
|
|
if (self.quit) {
|
|
ircFormat("QUIT :%s\r\n", self.quit);
|
|
} else {
|
|
ircFormat("QUIT\r\n");
|
|
}
|
|
struct Message msg = {
|
|
.nick = self.nick,
|
|
.user = self.user,
|
|
.cmd = "QUIT",
|
|
.params[0] = self.quit,
|
|
};
|
|
handle(msg);
|
|
|
|
uiHide();
|
|
}
|