int
main(int argc, char **argv)
{
struct passwd *pw;
char *s, *path, *label, *home, **var;
int opt, flags, quiet, keys;
#if defined(DEBUG) && defined(__OpenBSD__)
malloc_options = (char *) "AFGJPX";
#endif
flags = IDENTIFY_256COLOURS | IDENTIFY_UTF8;
quiet = 0;
label = path = NULL;
login_shell = (**argv == '-');
while ((opt = getopt(argc, argv, "28c:Cdf:lL:qS:uUvV")) != -1) {
switch (opt) {
case '2':
flags |= IDENTIFY_256COLOURS;
flags &= ~IDENTIFY_88COLOURS;
break;
case '8':
flags |= IDENTIFY_88COLOURS;
flags &= ~IDENTIFY_256COLOURS;
break;
case 'c':
free(shell_cmd);
shell_cmd = xstrdup(optarg);
break;
case 'C':
if (flags & IDENTIFY_CONTROL)
flags |= IDENTIFY_TERMIOS;
else
flags |= IDENTIFY_CONTROL;
break;
case 'V':
printf("%s %s\n", __progname, VERSION);
exit(0);
case 'f':
free(cfg_file);
cfg_file = xstrdup(optarg);
break;
case 'l':
login_shell = 1;
break;
case 'L':
free(label);
label = xstrdup(optarg);
break;
case 'q':
quiet = 1;
break;
case 'S':
free(path);
path = xstrdup(optarg);
break;
case 'u':
flags |= IDENTIFY_UTF8;
break;
case 'v':
debug_level++;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (shell_cmd != NULL && argc != 0)
usage();
if (!(flags & IDENTIFY_UTF8)) {
/*
* If the user has set whichever of LC_ALL, LC_CTYPE or LANG
* exist (in that order) to contain UTF-8, it is a safe
* assumption that either they are using a UTF-8 terminal, or
* if not they know that output from UTF-8-capable programs may
* be wrong.
*/
if ((s = getenv("LC_ALL")) == NULL || *s == '\0') {
if ((s = getenv("LC_CTYPE")) == NULL || *s == '\0')
s = getenv("LANG");
}
if (s != NULL && (strcasestr(s, "UTF-8") != NULL ||
strcasestr(s, "UTF8") != NULL))
flags |= IDENTIFY_UTF8;
}
environ_init(&global_environ);
for (var = environ; *var != NULL; var++)
environ_put(&global_environ, *var);
options_init(&global_options, NULL);
options_table_populate_tree(server_options_table, &global_options);
options_set_number(&global_options, "quiet", quiet);
options_init(&global_s_options, NULL);
options_table_populate_tree(session_options_table, &global_s_options);
options_set_string(&global_s_options, "default-shell", "%s", getshell());
options_init(&global_w_options, NULL);
options_table_populate_tree(window_options_table, &global_w_options);
/* Enable UTF-8 if the first client is on UTF-8 terminal. */
if (flags & IDENTIFY_UTF8) {
options_set_number(&global_s_options, "status-utf8", 1);
options_set_number(&global_s_options, "mouse-utf8", 1);
options_set_number(&global_w_options, "utf8", 1);
}
/* Override keys to vi if VISUAL or EDITOR are set. */
if ((s = getenv("VISUAL")) != NULL || (s = getenv("EDITOR")) != NULL) {
if (strrchr(s, '/') != NULL)
s = strrchr(s, '/') + 1;
if (strstr(s, "vi") != NULL)
keys = MODEKEY_VI;
else
keys = MODEKEY_EMACS;
options_set_number(&global_s_options, "status-keys", keys);
options_set_number(&global_w_options, "mode-keys", keys);
}
/* Locate the configuration file. */
if (cfg_file == NULL) {
home = getenv("HOME");
if (home == NULL || *home == '\0') {
pw = getpwuid(getuid());
if (pw != NULL)
home = pw->pw_dir;
}
xasprintf(&cfg_file, "%s/%s", home, DEFAULT_CFG);
if (access(cfg_file, R_OK) != 0 && errno == ENOENT) {
free(cfg_file);
cfg_file = NULL;
}
}
/*
* Figure out the socket path. If specified on the command-line with -S
* or -L, use it, otherwise try $TMUX or assume -L default.
*/
parseenvironment();
if (path == NULL) {
/* If no -L, use the environment. */
if (label == NULL) {
if (environ_path != NULL)
path = xstrdup(environ_path);
}
/* -L or default set. */
if (!path) {
if ((path = makesocketpath(label)) == NULL) {
fprintf(stderr, "can't create socket\n");
exit(1);
}
}
}
free(label);
strlcpy(socket_path, path, sizeof socket_path);
free(path);
#ifdef HAVE_SETPROCTITLE
/* Set process title. */
setproctitle("%s (%s)", __progname, socket_path);
#endif
/* Pass control to the client. */
ev_base = osdep_event_init();
exit(client_main(argc, argv, flags));
}
int
main(int argc, char **argv)
{
char *path, *label, tmp[PATH_MAX];
char *shellcmd = NULL, **var;
const char *s, *shell;
int opt, flags, keys;
const struct options_table_entry *oe;
if (setlocale(LC_CTYPE, "en_US.UTF-8") == NULL) {
if (setlocale(LC_CTYPE, "") == NULL)
errx(1, "invalid LC_ALL, LC_CTYPE or LANG");
s = nl_langinfo(CODESET);
if (strcasecmp(s, "UTF-8") != 0 && strcasecmp(s, "UTF8") != 0)
errx(1, "need UTF-8 locale (LC_CTYPE) but have %s", s);
}
setlocale(LC_TIME, "");
tzset();
if (**argv == '-')
flags = CLIENT_LOGIN;
else
flags = 0;
label = path = NULL;
while ((opt = getopt(argc, argv, "2c:Cdf:lL:qS:uUVv")) != -1) {
switch (opt) {
case '2':
flags |= CLIENT_256COLOURS;
break;
case 'c':
free(shellcmd);
shellcmd = xstrdup(optarg);
break;
case 'C':
if (flags & CLIENT_CONTROL)
flags |= CLIENT_CONTROLCONTROL;
else
flags |= CLIENT_CONTROL;
break;
case 'V':
printf("%s %s\n", getprogname(), VERSION);
exit(0);
case 'f':
set_cfg_file(optarg);
break;
case 'l':
flags |= CLIENT_LOGIN;
break;
case 'L':
free(label);
label = xstrdup(optarg);
break;
case 'q':
break;
case 'S':
free(path);
path = xstrdup(optarg);
break;
case 'u':
flags |= CLIENT_UTF8;
break;
case 'v':
log_add_level();
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (shellcmd != NULL && argc != 0)
usage();
if ((ptm_fd = getptmfd()) == -1)
err(1, "getptmfd");
if (pledge("stdio rpath wpath cpath flock fattr unix getpw sendfd "
"recvfd proc exec tty ps", NULL) != 0)
err(1, "pledge");
/*
* tmux is a UTF-8 terminal, so if TMUX is set, assume UTF-8.
* Otherwise, if the user has set LC_ALL, LC_CTYPE or LANG to contain
* UTF-8, it is a safe assumption that either they are using a UTF-8
* terminal, or if not they know that output from UTF-8-capable
* programs may be wrong.
*/
if (getenv("TMUX") != NULL)
flags |= CLIENT_UTF8;
else {
s = getenv("LC_ALL");
if (s == NULL || *s == '\0')
s = getenv("LC_CTYPE");
if (s == NULL || *s == '\0')
s = getenv("LANG");
if (s == NULL || *s == '\0')
s = "";
if (strcasestr(s, "UTF-8") != NULL ||
strcasestr(s, "UTF8") != NULL)
flags |= CLIENT_UTF8;
}
global_hooks = hooks_create(NULL);
global_environ = environ_create();
for (var = environ; *var != NULL; var++)
environ_put(global_environ, *var);
if (getcwd(tmp, sizeof tmp) != NULL)
environ_set(global_environ, "PWD", "%s", tmp);
global_options = options_create(NULL);
global_s_options = options_create(NULL);
global_w_options = options_create(NULL);
for (oe = options_table; oe->name != NULL; oe++) {
if (oe->scope == OPTIONS_TABLE_SERVER)
options_default(global_options, oe);
if (oe->scope == OPTIONS_TABLE_SESSION)
options_default(global_s_options, oe);
if (oe->scope == OPTIONS_TABLE_WINDOW)
options_default(global_w_options, oe);
}
/*
* The default shell comes from SHELL or from the user's passwd entry
* if available.
*/
shell = getshell();
options_set_string(global_s_options, "default-shell", 0, "%s", shell);
/* Override keys to vi if VISUAL or EDITOR are set. */
if ((s = getenv("VISUAL")) != NULL || (s = getenv("EDITOR")) != NULL) {
if (strrchr(s, '/') != NULL)
s = strrchr(s, '/') + 1;
if (strstr(s, "vi") != NULL)
keys = MODEKEY_VI;
else
keys = MODEKEY_EMACS;
options_set_number(global_s_options, "status-keys", keys);
options_set_number(global_w_options, "mode-keys", keys);
}
/*
* If socket is specified on the command-line with -S or -L, it is
* used. Otherwise, $TMUX is checked and if that fails "default" is
* used.
*/
if (path == NULL && label == NULL) {
s = getenv("TMUX");
if (s != NULL && *s != '\0' && *s != ',') {
path = xstrdup(s);
path[strcspn(path, ",")] = '\0';
}
}
if (path == NULL && (path = make_label(label)) == NULL) {
fprintf(stderr, "can't create socket: %s\n", strerror(errno));
exit(1);
}
socket_path = path;
free(label);
/* Pass control to the client. */
exit(client_main(osdep_event_init(), argc, argv, flags, shellcmd));
}
static void client_bootstrap(struct tmate_session *_session)
{
struct tmate_ssh_client *client = &_session->ssh_client;
int grace_period = TMATE_SSH_GRACE_PERIOD;
ssh_event mainloop;
ssh_session session = client->session;
tmate_notice("Bootstrapping ssh client ip=%s", client->ip_address);
_session->ev_base = osdep_event_init();
/* new process group, we don't want to die with our parent (upstart) */
setpgid(0, 0);
{
int flag = 1;
setsockopt(ssh_get_fd(session), IPPROTO_TCP, TCP_NODELAY,
&flag, sizeof(flag));
}
signal(SIGALRM, handle_sigalrm);
alarm(grace_period);
/*
* We should die early if we can't connect to proxy. This way the
* tmate daemon will pick another server to work on.
*/
_session->proxy_fd = -1;
if (tmate_has_proxy())
_session->proxy_fd = tmate_connect_to_proxy();
ssh_server_cb.userdata = client;
ssh_callbacks_init(&ssh_server_cb);
ssh_set_server_callbacks(client->session, &ssh_server_cb);
ssh_options_set(session, SSH_OPTIONS_TIMEOUT, &grace_period);
ssh_options_set(session, SSH_OPTIONS_COMPRESSION, "yes");
ssh_set_auth_methods(client->session, SSH_AUTH_METHOD_PUBLICKEY);
tmate_info("Exchanging DH keys");
if (ssh_handle_key_exchange(session) < 0)
tmate_fatal("Error doing the key exchange: %s",
ssh_get_error(session));
mainloop = ssh_event_new();
ssh_event_add_session(mainloop, session);
while (!client->role) {
if (ssh_event_dopoll(mainloop, -1) == SSH_ERROR)
tmate_fatal("Error polling ssh socket: %s", ssh_get_error(session));
}
alarm(0);
/* The latency is callback set later */
tmate_start_ssh_latency_probes(client, &ssh_server_cb, TMATE_SSH_KEEPALIVE * 1000);
register_on_ssh_read(client);
tmate_spawn(_session);
/* never reached */
}
int
main(int argc, char **argv)
{
char *s, *path, *label, **var, tmp[PATH_MAX];
char in[256];
const char *home;
long long pid;
int opt, flags, keys, session;
#if defined(DEBUG) && defined(__OpenBSD__)
malloc_options = (char *) "AFGJPX";
#endif
setlocale(LC_TIME, "");
flags = 0;
label = path = NULL;
login_shell = (**argv == '-');
while ((opt = getopt(argc, argv, "2c:Cdf:lL:qS:uUVv")) != -1) {
switch (opt) {
case '2':
flags |= CLIENT_256COLOURS;
break;
case 'c':
free(shell_cmd);
shell_cmd = xstrdup(optarg);
break;
case 'C':
if (flags & CLIENT_CONTROL)
flags |= CLIENT_CONTROLCONTROL;
else
flags |= CLIENT_CONTROL;
break;
case 'V':
printf("%s %s\n", __progname, VERSION);
exit(0);
case 'f':
free(cfg_file);
cfg_file = xstrdup(optarg);
break;
case 'l':
login_shell = 1;
break;
case 'L':
free(label);
label = xstrdup(optarg);
break;
case 'q':
break;
case 'S':
free(path);
path = xstrdup(optarg);
break;
case 'u':
flags |= CLIENT_UTF8;
break;
case 'v':
debug_level++;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (shell_cmd != NULL && argc != 0)
usage();
if (!(flags & CLIENT_UTF8)) {
/*
* If the user has set whichever of LC_ALL, LC_CTYPE or LANG
* exist (in that order) to contain UTF-8, it is a safe
* assumption that either they are using a UTF-8 terminal, or
* if not they know that output from UTF-8-capable programs may
* be wrong.
*/
if ((s = getenv("LC_ALL")) == NULL || *s == '\0') {
if ((s = getenv("LC_CTYPE")) == NULL || *s == '\0')
s = getenv("LANG");
}
if (s != NULL && (strcasestr(s, "UTF-8") != NULL ||
strcasestr(s, "UTF8") != NULL))
flags |= CLIENT_UTF8;
}
environ_init(&global_environ);
for (var = environ; *var != NULL; var++)
environ_put(&global_environ, *var);
if (getcwd(tmp, sizeof tmp) != NULL)
environ_set(&global_environ, "PWD", tmp);
options_init(&global_options, NULL);
options_table_populate_tree(server_options_table, &global_options);
options_init(&global_s_options, NULL);
options_table_populate_tree(session_options_table, &global_s_options);
options_set_string(&global_s_options, "default-shell", "%s",
getshell());
options_init(&global_w_options, NULL);
options_table_populate_tree(window_options_table, &global_w_options);
/* Enable UTF-8 if the first client is on UTF-8 terminal. */
if (flags & CLIENT_UTF8) {
options_set_number(&global_s_options, "status-utf8", 1);
options_set_number(&global_s_options, "mouse-utf8", 1);
options_set_number(&global_w_options, "utf8", 1);
}
/* Override keys to vi if VISUAL or EDITOR are set. */
if ((s = getenv("VISUAL")) != NULL || (s = getenv("EDITOR")) != NULL) {
if (strrchr(s, '/') != NULL)
s = strrchr(s, '/') + 1;
if (strstr(s, "vi") != NULL)
keys = MODEKEY_VI;
else
keys = MODEKEY_EMACS;
options_set_number(&global_s_options, "status-keys", keys);
options_set_number(&global_w_options, "mode-keys", keys);
}
/* Locate the configuration file. */
if (cfg_file == NULL) {
home = find_home();
if (home != NULL) {
xasprintf(&cfg_file, "%s/.tmux.conf", home);
if (access(cfg_file, R_OK) != 0 && errno == ENOENT) {
free(cfg_file);
cfg_file = NULL;
}
}
}
/* Get path from environment. */
s = getenv("TMUX");
if (s != NULL && sscanf(s, "%255[^,],%lld,%d", in, &pid, &session) == 3)
environ_path = xstrdup(in);
/*
* Figure out the socket path. If specified on the command-line with -S
* or -L, use it, otherwise try $TMUX or assume -L default.
*/
if (path == NULL) {
/* If no -L, use the environment. */
if (label == NULL) {
if (environ_path != NULL)
path = xstrdup(environ_path);
else
label = xstrdup("default");
}
/* -L or default set. */
if (label != NULL) {
if ((path = makesocketpath(label)) == NULL) {
fprintf(stderr, "can't create socket: %s\n",
strerror(errno));
exit(1);
}
}
}
free(label);
if (strlcpy(socket_path, path, sizeof socket_path) >= sizeof socket_path) {
fprintf(stderr, "socket path too long: %s\n", path);
exit(1);
}
free(path);
#ifdef HAVE_SETPROCTITLE
/* Set process title. */
setproctitle("%s (%s)", __progname, socket_path);
#endif
/* Pass control to the client. */
ev_base = osdep_event_init();
exit(client_main(argc, argv, flags));
}
int
main(int argc, char **argv)
{
char *path, *label, **var, tmp[PATH_MAX];
const char *s;
int opt, flags, keys;
#if defined(DEBUG) && defined(__OpenBSD__)
malloc_options = (char *) "AFGJPX";
#endif
setlocale(LC_TIME, "");
tzset();
if (**argv == '-')
flags = CLIENT_LOGIN;
else
flags = 0;
label = path = NULL;
while ((opt = getopt(argc, argv, "2c:Cdf:lL:qS:uUVv")) != -1) {
switch (opt) {
case '2':
flags |= CLIENT_256COLOURS;
break;
case 'c':
free(shell_cmd);
shell_cmd = xstrdup(optarg);
break;
case 'C':
if (flags & CLIENT_CONTROL)
flags |= CLIENT_CONTROLCONTROL;
else
flags |= CLIENT_CONTROL;
break;
case 'V':
printf("%s %s\n", __progname, VERSION);
exit(0);
case 'f':
set_cfg_file(optarg);
break;
case 'l':
flags |= CLIENT_LOGIN;
break;
case 'L':
free(label);
label = xstrdup(optarg);
break;
case 'q':
break;
case 'S':
free(path);
path = xstrdup(optarg);
break;
case 'u':
flags |= CLIENT_UTF8;
break;
case 'v':
debug_level++;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (shell_cmd != NULL && argc != 0)
usage();
#ifdef __OpenBSD__
if (pledge("stdio rpath wpath cpath flock fattr unix sendfd recvfd "
"proc exec tty ps", NULL) != 0)
err(1, "pledge");
#endif
/*
* tmux is a UTF-8 terminal, so if TMUX is set, assume UTF-8.
* Otherwise, if the user has set LC_ALL, LC_CTYPE or LANG to contain
* UTF-8, it is a safe assumption that either they are using a UTF-8
* terminal, or if not they know that output from UTF-8-capable
* programs may be wrong.
*/
if (getenv("TMUX") != NULL)
flags |= CLIENT_UTF8;
else {
s = getenv("LC_ALL");
if (s == NULL || *s == '\0')
s = getenv("LC_CTYPE");
if (s == NULL || *s == '\0')
s = getenv("LANG");
if (s == NULL || *s == '\0')
s = "";
if (strcasestr(s, "UTF-8") != NULL ||
strcasestr(s, "UTF8") != NULL)
flags |= CLIENT_UTF8;
}
global_environ = environ_create();
for (var = environ; *var != NULL; var++)
environ_put(global_environ, *var);
if (getcwd(tmp, sizeof tmp) != NULL)
environ_set(global_environ, "PWD", tmp);
global_options = options_create(NULL);
options_table_populate_tree(server_options_table, global_options);
global_s_options = options_create(NULL);
options_table_populate_tree(session_options_table, global_s_options);
options_set_string(global_s_options, "default-shell", "%s", getshell());
global_w_options = options_create(NULL);
options_table_populate_tree(window_options_table, global_w_options);
/* Override keys to vi if VISUAL or EDITOR are set. */
if ((s = getenv("VISUAL")) != NULL || (s = getenv("EDITOR")) != NULL) {
if (strrchr(s, '/') != NULL)
s = strrchr(s, '/') + 1;
if (strstr(s, "vi") != NULL)
keys = MODEKEY_VI;
else
keys = MODEKEY_EMACS;
options_set_number(global_s_options, "status-keys", keys);
options_set_number(global_w_options, "mode-keys", keys);
}
/*
* Figure out the socket path. If specified on the command-line with -S
* or -L, use it, otherwise try $TMUX or assume -L default.
*/
if (path == NULL) {
/* If no -L, use the environment. */
if (label == NULL) {
s = getenv("TMUX");
if (s != NULL) {
path = xstrdup(s);
path[strcspn (path, ",")] = '\0';
if (*path == '\0') {
free(path);
label = xstrdup("default");
}
} else
label = xstrdup("default");
}
/* -L or default set. */
if (label != NULL) {
if ((path = makesocketpath(label)) == NULL) {
fprintf(stderr, "can't create socket: %s\n",
strerror(errno));
exit(1);
}
}
}
free(label);
if (strlcpy(socket_path, path, sizeof socket_path) >=
sizeof socket_path) {
fprintf(stderr, "socket path too long: %s\n", path);
exit(1);
}
free(path);
/* Pass control to the client. */
exit(client_main(osdep_event_init(), argc, argv, flags));
}
