void cmd_status(int argc, char **argv)
{
OPT_HELP_NEW(_("Show status."), "status [options]", NULL);
maxargs(optind - 1);
if(ftp_connected())
printf(_("connected to '%s'\n"), host_getoname(ftp->host));
else
puts(_("not connected"));
if(ftp_loggedin())
printf(_("logged in as '%s'\n"), ftp->url->username);
#ifdef HAVE_KERBEROS
if(ftp_connected())
sec_status();
#endif
if(list_numitem(gvFtpList) > 1 || ftp_connected())
printf(_("There are totally %u connections open\n"),
list_numitem(gvFtpList));
}
int ftp_open_url(url_t *urlp, bool reset_vars)
{
bool use_proxy;
int i;
if(reset_vars)
ftp_reset_vars();
/* don't assume server is in ascii mode initially even if RFC says so */
ftp->prev_type = '?';
#ifdef HAVE_POSIX_SIGSETJMP
if(sigsetjmp(open_timeout_jmp, 1))
#else
if(setjmp(open_timeout_jmp))
#endif
{
ftp_close();
ftp_err(_("Connection timeout after %u seconds\n"),
ftp->open_timeout);
return 1;
}
ftp_set_signal(SIGALRM, ftp_open_handler);
alarm(ftp->open_timeout);
use_proxy = (proxy_type(urlp) != 0);
ftp_err(_("Looking up %s... "),
use_proxy ? gvProxyUrl->hostname : urlp->hostname);
/* Set the default port (22) for SSH if no port is specified. We
* need to do this here, 'cause host_lookup() sets it to 21
* (default port for vanilla FTP)
*/
if(urlp->protocol) {
if(strcmp(urlp->protocol, "sftp") == 0)
url_setprotocol(urlp, "ssh");
if(strcmp(urlp->protocol, "ssh") == 0 && urlp->port == -1)
urlp->port = 22; /* default SSH port */
}
ftp->host = host_create(use_proxy ? gvProxyUrl : urlp);
if(!host_lookup(ftp->host)) {
herror(host_getname(ftp->host));
alarm(0);
ftp_set_signal(SIGALRM, SIG_IGN);
return -1;
}
/* keep the value in urlp->port
urlp->port = ntohs(ftp->host->port);
and set it to 21 if it is -1 */
if(urlp->port == -1) {
urlp->port = 21;
}
fprintf(stderr, "\r ");
i = strlen(use_proxy ? gvProxyUrl->hostname : urlp->hostname);
while(i--)
fprintf(stderr, " ");
fprintf(stderr, "\r");
ftp_trace("\n");
#ifdef HAVE_LIBSSH
if(urlp->protocol && strcmp(urlp->protocol, "ssh") == 0) {
int ret = ssh_open_url(urlp);
alarm(0);
return ret;
}
#endif
if(urlp->protocol && strcmp(urlp->protocol, "ftp") != 0) {
ftp_err(_("Sorry, don't know how to handle your '%s' protocol\n"
"trying 'ftp' instead...\n"),
urlp->protocol);
url_setprotocol(urlp, 0);
}
if(use_proxy) {
ftp_err(_("Connecting to proxy %s at port %d...\n"),
host_getoname(ftp->host), urlp->port);
} else {
ftp_err(_("Connecting to %s at port %d...\n"),
host_getoname(ftp->host), urlp->port);
}
ftp->ctrl = sock_create();
if (ftp->ctrl == 0) {
ftp_err(_("Unable to create socket.\n"));
alarm(0);
ftp_set_signal(SIGALRM, SIG_IGN);
return -1;
}
if(!sock_connect_host(ftp->ctrl, ftp->host)) {
alarm(0);
ftp_set_signal(SIGALRM, SIG_IGN);
return -1;
}
sock_lowdelay(ftp->ctrl);
char* ip = host_getip(ftp->host);
ftp_err(_("Connected to %s ([%s]:%d).\n"),
host_getoname(ftp->host), ip, urlp->port);
free(ip);
/* read startup message from server */
ftp_set_tmp_verbosity(vbCommand);
ftp_read_reply();
if(ftp->fullcode == 120) {
ftp_set_tmp_verbosity(vbCommand);
ftp_read_reply();
}
alarm(0);
ftp_set_signal(SIGALRM, SIG_IGN);
if(!sock_connected(ftp->ctrl)) {
ftp_close();
return 1;
}
ftp->connected = (ftp->fullcode == 220);
if(ftp->connected) {
void (*tracefunq)(const char *fmt, ...);
url_destroy(ftp->url);
ftp->url = url_clone(urlp);
tracefunq = (ftp->verbosity == vbDebug ? ftp_err : ftp_trace);
char* remote_addr = printable_address(sock_remote_addr(ftp->ctrl)),
*local_addr = printable_address(sock_local_addr(ftp->ctrl));
tracefunq("remote address: %s\n", remote_addr);
tracefunq("local address: %s\n", local_addr);
free(remote_addr);
free(local_addr);
return 0;
} else {
ftp_close();
return 1;
}
}
char *expand_prompt(const char *fmt)
{
unsigned maxlen;
char *ins, *e;
bool freeins;
char *tmp;
if(!fmt)
return 0;
char* prompt = (char *)xmalloc(strlen(fmt)+1);
char* cp = prompt;
while(fmt && *fmt) {
if(*fmt == '%') {
fmt++;
ins = 0;
freeins = false;
maxlen = (unsigned)-1;
if(isdigit((int)*fmt)) {
maxlen = (unsigned)atoi(fmt);
while(isdigit((int)*fmt))
fmt++;
}
switch(*fmt) {
case 'c':
if (asprintf(&ins, "%u", list_numitem(gvFtpList)) == -1)
{
fprintf(stderr, _("Failed to allocate memory.\n"));
free(prompt);
return NULL;
}
freeins = true;
break;
case 'C':
if (asprintf(&ins, "%u", connection_number()) == -1)
{
fprintf(stderr, _("Failed to allocate memory.\n"));
free(prompt);
return NULL;
}
freeins = true;
break;
case 'u': /* username */
ins = ftp_loggedin() ? ftp->url->username : "******";
break;
case 'h': /* remote hostname (as passed to cmd_open()) */
ins = ftp_connected() ? ftp->url->hostname : "?";
break;
case 'H': /* %h up to first '.' */
if(!ftp_connected()) {
ins = "?";
break;
}
e = strchr(ftp->url->hostname, '.');
if(e) {
ins = xstrndup(ftp->url->hostname, e - ftp->url->hostname);
freeins = true;
} else
ins = ftp->url->hostname;
break;
case 'm':
/* remote machine name (as returned from gethostbynmame) */
ins = xstrdup(ftp_connected() ? host_getoname(ftp->host) : "?");
freeins = true;
break;
case 'M': /* %m up to first '.' */
if(!ftp_connected()) {
ins = "?";
break;
}
e = strchr(host_getoname(ftp->host), '.');
if(e) {
ins = xstrndup(host_getoname(ftp->host),
e - host_getoname(ftp->host));
} else
ins = xstrdup(host_getoname(ftp->host));
freeins = true;
break;
case 'n': /* remote ip number */
ins = xstrdup(ftp_connected() ? host_getoname(ftp->host) : "?");
freeins = true;
break;
case 'w': /* current remote directory */
if(!ftp_loggedin()) {
ins = "?";
break;
}
ins = shortpath(ftp->curdir, maxlen, 0);
freeins = true;
break;
case 'W': /* basename(%w) */
if(!ftp_loggedin()) {
ins = "?";
break;
}
ins = (char *)base_name_ptr(ftp->curdir);
break;
case '~': /* %w but homedir replaced with '~' */
if(!ftp_loggedin()) {
ins = "?";
break;
}
ins = shortpath(ftp->curdir, maxlen, ftp->homedir);
freeins = true;
break;
case 'l': /* current local directory */
tmp = getcwd(NULL, 0);
ins = shortpath(tmp, maxlen, 0);
freeins = true;
free(tmp);
break;
case 'L': /* basename(%l) */
tmp = getcwd(NULL, 0);
ins = (char *)base_name_ptr(tmp);
free(tmp);
break;
case '%': /* percent sign */
ins = "%";
break;
case '#': /* local user == root ? '#' : '$' */
ins = getuid() == 0 ? "#" : "$";
break;
case '{': /* begin non-printable character string */
#ifdef HAVE_LIBREADLINE
ins = "\001\001"; /* \001 + RL_PROMPT_START_IGNORE */
#endif
break;
case '}': /* end non-printable character string */
#ifdef HAVE_LIBREADLINE
ins = "\001\002"; /* \001 + RL_PROMPT_END_IGNORE */
#endif
break;
case 'e': /* escape (0x1B) */
ins = "\x1B";
break;
default: /* illegal format specifier */
break;
}
if(ins) {
const size_t len = strlen(prompt) + strlen(ins) + strlen(fmt+1) + 1;
char* tmp = xmalloc(len);
strlcpy(tmp, prompt, len);
strlcat(tmp, ins, len);
cp = tmp + strlen(prompt) + strlen(ins);
free(prompt);
prompt = tmp;
if(freeins)
free(ins);
}
} else
*cp++ = *fmt;
fmt++;
}
unquote_escapes(prompt);
return prompt;
}
