Separate ircConnect and ircDisconnect

master
Curtis McEnroe 2018-11-30 18:06:43 -05:00
parent 3d9906b00f
commit 9d769111ae
No known key found for this signature in database
GPG Key ID: CEA2F97ADCFCD77C
4 changed files with 88 additions and 62 deletions

22
chat.c
View File

@ -60,39 +60,35 @@ static char *prompt(const char *prompt) {
int main(int argc, char *argv[]) {
char *host = NULL;
const char *port = "6697";
const char *pass = NULL;
const char *webirc = NULL;
char *port = "6697";
char *pass = NULL;
char *webirc = NULL;
int opt;
while (0 < (opt = getopt(argc, argv, "NW:h:j:l:n:p:u:vw:"))) {
switch (opt) {
break; case 'N': self.notify = true;
break; case 'W': webirc = optarg;
break; case 'W': webirc = strdup(optarg);
break; case 'h': host = strdup(optarg);
break; case 'j': selfJoin(optarg);
break; case 'l': logOpen(optarg);
break; case 'n': selfNick(optarg);
break; case 'p': port = optarg;
break; case 'p': port = strdup(optarg);
break; case 'u': selfUser(optarg);
break; case 'v': self.verbose = true;
break; case 'w': pass = optarg;
break; case 'w': pass = strdup(optarg);
break; default: return EX_USAGE;
}
}
if (!port) err(EX_OSERR, "strdup");
if (!host) host = prompt("Host: ");
if (!self.nick) self.nick = prompt("Name: ");
if (!self.user) selfUser(self.nick);
inputTab();
uiInit();
uiLog(TagStatus, UIWarm, L"Traveling...");
uiDraw();
int irc = ircConnect(host, port, pass, webirc);
free(host);
eventLoop(STDIN_FILENO, irc);
ircInit(host, port, pass, webirc);
eventLoop();
}

8
chat.h
View File

@ -43,7 +43,7 @@ void selfJoin(const char *join);
void eventWait(const char *argv[static 2]);
void eventPipe(const char *argv[static 2]);
void eventLoop(int ui, int irc);
void eventLoop(void);
struct Tag {
size_t id;
@ -100,9 +100,9 @@ void handle(char *line);
void input(struct Tag tag, char *line);
void inputTab(void);
int ircConnect(
const char *host, const char *port, const char *pass, const char *webPass
);
void ircInit(char *host, char *port, char *pass, char *webPass);
int ircConnect(void);
void ircDisconnect(const char *quit);
void ircRead(void);
void ircWrite(const char *ptr, size_t len);
void ircFmt(const char *format, ...) __attribute__((format(printf, 1, 2)));

View File

@ -106,13 +106,15 @@ static void sigint(int sig) {
exit(EX_OK);
}
void eventLoop(int ui, int irc) {
void eventLoop(void) {
signal(SIGINT, sigint);
signal(SIGCHLD, sigchld);
int irc = ircConnect();
struct pollfd fds[3] = {
{ irc, POLLIN, 0 },
{ ui, POLLIN, 0 },
{ STDIN_FILENO, POLLIN, 0 },
{ -1, POLLIN, 0 },
};
for (;;) {

114
irc.c
View File

@ -29,35 +29,40 @@
#include "chat.h"
static struct tls *client;
static struct {
char *host;
char *port;
char *pass;
char *webirc;
int sock;
struct tls_config *config;
struct tls *client;
} irc = {
.sock = -1,
};
static void webirc(const char *pass) {
const char *ssh = getenv("SSH_CLIENT");
if (!ssh) return;
int len = strlen(ssh);
const char *sp = strchr(ssh, ' ');
if (sp) len = sp - ssh;
ircFmt(
"WEBIRC %s %s %.*s %.*s\r\n",
pass, self.user, len, ssh, len, ssh
);
void ircInit(char *host, char *port, char *pass, char *webirc) {
irc.host = host;
irc.port = port;
irc.pass = pass;
irc.webirc = webirc;
irc.config = tls_config_new();
int error = tls_config_set_ciphers(irc.config, "compat");
if (error) errx(EX_SOFTWARE, "tls_config");
irc.client = tls_client();
if (!irc.client) errx(EX_SOFTWARE, "tls_client");
}
int ircConnect(
const char *host, const char *port, const char *pass, const char *webPass
) {
int ircConnect(void) {
int error;
struct tls_config *config = tls_config_new();
error = tls_config_set_ciphers(config, "compat");
if (error) errx(EX_SOFTWARE, "tls_config: %s", tls_config_error(config));
tls_reset(irc.client);
error = tls_configure(irc.client, irc.config);
if (error) errx(EX_SOFTWARE, "tls_configure: %s", tls_error(irc.client));
client = tls_client();
if (!client) errx(EX_SOFTWARE, "tls_client");
error = tls_configure(client, config);
if (error) errx(EX_SOFTWARE, "tls_configure");
tls_config_free(config);
uiFmt(TagStatus, UIWarm, "Traveling to %s", irc.host);
struct addrinfo *head;
struct addrinfo hints = {
@ -65,42 +70,65 @@ int ircConnect(
.ai_socktype = SOCK_STREAM,
.ai_protocol = IPPROTO_TCP,
};
error = getaddrinfo(host, port, &hints, &head);
error = getaddrinfo(irc.host, irc.port, &hints, &head);
if (error) errx(EX_NOHOST, "getaddrinfo: %s", gai_strerror(error));
int sock = -1;
for (struct addrinfo *ai = head; ai; ai = ai->ai_next) {
sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
if (sock < 0) err(EX_OSERR, "socket");
irc.sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
if (irc.sock < 0) err(EX_OSERR, "socket");
error = connect(sock, ai->ai_addr, ai->ai_addrlen);
error = connect(irc.sock, ai->ai_addr, ai->ai_addrlen);
if (!error) break;
close(sock);
sock = -1;
close(irc.sock);
irc.sock = -1;
}
if (sock < 0) err(EX_UNAVAILABLE, "connect");
if (irc.sock < 0) err(EX_UNAVAILABLE, "connect");
freeaddrinfo(head);
error = fcntl(sock, F_SETFD, FD_CLOEXEC);
error = fcntl(irc.sock, F_SETFD, FD_CLOEXEC);
if (error) err(EX_IOERR, "fcntl");
error = tls_connect_socket(client, sock, host);
if (error) errx(EX_PROTOCOL, "tls_connect: %s", tls_error(client));
error = tls_connect_socket(irc.client, irc.sock, irc.host);
if (error) errx(EX_PROTOCOL, "tls_connect: %s", tls_error(irc.client));
if (webPass) webirc(webPass);
if (pass) ircFmt("PASS :%s\r\n", pass);
ircFmt("NICK %s\r\n", self.nick);
ircFmt("USER %s 0 * :%s\r\n", self.user, self.nick);
const char *ssh = getenv("SSH_CLIENT");
if (irc.webirc && ssh) {
int len = strlen(ssh);
const char *sp = strchr(ssh, ' ');
if (sp) len = sp - ssh;
ircFmt(
"WEBIRC %s %s %.*s %.*s\r\n",
irc.webirc, self.user, len, ssh, len, ssh
);
}
return sock;
if (irc.pass) ircFmt("PASS :%s\r\n", irc.pass);
ircFmt(
"NICK %s\r\n"
"USER %s 0 * :%s\r\n",
self.nick, self.user, self.nick
);
return irc.sock;
}
void ircDisconnect(const char *quit) {
// TODO: Wait for response, send quit to UI.
ircFmt("QUIT :%s\r\n", quit);
int error = tls_close(irc.client);
if (error) errx(EX_IOERR, "tls_close: %s", tls_error(irc.client));
error = close(irc.sock);
if (error) err(EX_IOERR, "close");
}
void ircWrite(const char *ptr, size_t len) {
while (len) {
ssize_t ret = tls_write(client, ptr, len);
ssize_t ret = tls_write(irc.client, ptr, len);
if (ret == TLS_WANT_POLLIN || ret == TLS_WANT_POLLOUT) continue;
if (ret < 0) errx(EX_IOERR, "tls_write: %s", tls_error(client));
if (ret < 0) errx(EX_IOERR, "tls_write: %s", tls_error(irc.client));
ptr += ret;
len -= ret;
}
@ -127,8 +155,8 @@ void ircRead(void) {
static char buf[4096];
static size_t len;
ssize_t read = tls_read(client, &buf[len], sizeof(buf) - len);
if (read < 0) errx(EX_IOERR, "tls_read: %s", tls_error(client));
ssize_t read = tls_read(irc.client, &buf[len], sizeof(buf) - len);
if (read < 0) errx(EX_IOERR, "tls_read: %s", tls_error(irc.client));
if (!read) {
uiExit();
exit(EX_OK);