static void channel_np_connect_done(void * args) {
ChannelConnectInfo * info = (ChannelConnectInfo *)((AsyncReqInfo *)args)->client_data;
if (info->req.error) {
if (info->req.error == EPERM) {
info->req.error = set_fmt_errno(ERR_OTHER, "Failed to handshake the connection h:%s p:%s", info->host, info->port);
}
else if (info->req.error == ECONNREFUSED) {
info->req.error = set_fmt_errno(ERR_OTHER, "Failed to establish connection h:%s p:%s", info->host, info->port);
}
if (info->np_sock) nopoll_conn_close(info->np_sock);
info->callback(info->callback_args, info->req.error, NULL);
}
else {
ChannelNP * c = create_channel(info->np_sock, info->is_ssl, 0);
if (c == NULL) {
if (info->np_sock) nopoll_conn_close(info->np_sock);
info->callback(info->callback_args, errno, NULL);
}
else {
set_peer_addr(c, info->addr_buf, info->addr_len);
info->callback(info->callback_args, 0, &c->chan);
}
}
nopoll_ctx_unref(info->np_ctx);
loc_free(info->host);
loc_free(info->port);
loc_free(info->addr_buf);
loc_free(info);
}
static StreamClient * find_client(char * s, Channel * c) {
unsigned id = 0;
if (str2id(s, &id)) {
unsigned h = get_client_hash(id, c);
LINK * l = handle_hash[h].next;
while (l != &handle_hash[h]) {
StreamClient * client = hash2client(l);
if (client->stream->id == id && client->channel == c) return client;
l = l->next;
}
}
errno = set_fmt_errno(ERR_OTHER, "No such stream: %s", s);
return NULL;
}
static void command_launch(char * token, Channel * c) {
int err = 0;
char encoding[TERM_PROP_DEF_SIZE];
char pty_type[TERM_PROP_DEF_SIZE];
const char * args[] = TERM_LAUNCH_ARGS;
const char * exec = TERM_LAUNCH_EXEC;
int selfattach = 0;
ProcessStartParams prms;
Terminal * term = (Terminal *)loc_alloc_zero(sizeof(Terminal));
memset(&prms, 0, sizeof(prms));
json_read_string(&c->inp, pty_type, sizeof(pty_type));
json_test_char(&c->inp, MARKER_EOA);
json_read_string(&c->inp, encoding, sizeof(encoding));
json_test_char(&c->inp, MARKER_EOA);
prms.envp = read_env(&c->inp);
json_test_char(&c->inp, MARKER_EOM);
#if !defined(_WIN32) && !defined(__CYGWIN__)
{
struct stat st;
if (err == 0 && stat(exec, &st) != 0) {
err = errno;
if (err == ENOENT) {
static char fnm[FILE_PATH_SIZE];
/* On some systems (e.g. Free DSB) bash is installed under /usr/local */
assert(exec[0] == '/');
snprintf(fnm, sizeof(fnm), "/usr/local%s", exec);
if (stat(fnm, &st) == 0) {
args[0] = exec = fnm;
err = 0;
}
}
if (err == ENOENT && strcmp(exec, "/bin/bash") == 0) {
/* "bash" not found, try "sh" */
const char * fnm = "/bin/sh";
if (stat(fnm, &st) == 0) {
args[0] = exec = fnm;
err = 0;
}
}
if (err) err = set_fmt_errno(err, "Cannot start %s", exec);
}
}
set_terminal_env(&prms.envp, pty_type, encoding, exec);
prms.dir = getenv("HOME");
if (prms.dir) prms.dir = tmp_strdup(prms.dir);
#else
{
const char * home_drv = getenv("HOMEDRIVE");
const char * home_dir = getenv("HOMEPATH");
if (home_drv && home_dir) {
prms.dir = tmp_strdup2(home_drv, home_dir);
}
}
#endif
prms.exe = exec;
prms.args = (char **)args;
prms.service = TERMINALS;
prms.use_terminal = 1;
prms.exit_cb = terminal_exited;
prms.exit_args = term;
if (err == 0 && start_process(c, &prms, &selfattach, &term->prs) < 0) err = errno;
if (!err) {
term->bcg = c->bcg;
channel_lock_with_msg(term->channel = c, TERMINALS);
strlcpy(term->pty_type, pty_type, sizeof(term->pty_type));
strlcpy(term->encoding, encoding, sizeof(term->encoding));
list_add_first(&term->link, &terms_list);
assert(find_terminal(get_process_pid(term->prs)) == term);
}
else {
assert(term->prs == NULL);
loc_free(term);
}
/* write result back */
write_stringz(&c->out, "R");
write_stringz(&c->out, token);
write_errno(&c->out, err);
if (err) {
write_stringz(&c->out, "null");
}
else {
write_context(&c->out, get_process_pid(term->prs));
write_stream(&c->out, 0);
}
write_stream(&c->out, MARKER_EOM);
}
