static int
news_open(News * news)
{
int sock, status, fd;
sock = openSocket(news->host, "nntp", news->port);
if (sock < 0)
goto open_err;
news->rf = newInputStream(sock);
if ((fd = dup(sock)) < 0)
goto open_err;
news->wf = fdopen(fd, "wb");
if (!news->rf || !news->wf)
goto open_err;
IStype(news->rf) |= IST_UNCLOSE;
news_command(news, NULL, NULL, &status);
if (status != 200 && status != 201)
goto open_err;
if (news->mode) {
news_command(news, "MODE", news->mode, &status);
if (status != 200 && status != 201)
goto open_err;
}
return TRUE;
open_err:
news_close(news);
return FALSE;
}
static void
news_close(News * news)
{
if (!news->host)
return;
if (news->rf) {
IStype(news->rf) &= ~IST_UNCLOSE;
ISclose(news->rf);
news->rf = NULL;
}
if (news->wf) {
fclose(news->wf);
news->wf = NULL;
}
news->host = NULL;
}
int
ISfileno(InputStream stream)
{
if (stream == NULL)
return -1;
switch (IStype(stream) & ~IST_UNCLOSE) {
case IST_BASIC:
return *(int *)stream->base.handle;
case IST_FILE:
return fileno(stream->file.handle->f);
#ifdef USE_SSL
case IST_SSL:
return stream->ssl.handle->sock;
#endif
case IST_ENCODED:
return ISfileno(stream->ens.handle->is);
default:
return -1;
}
}
static void
ftp_close(FTP ftp)
{
if (!ftp->host)
return;
if (ftp->rf) {
IStype(ftp->rf) &= ~IST_UNCLOSE;
ISclose(ftp->rf);
ftp->rf = NULL;
}
if (ftp->wf) {
fclose(ftp->wf);
ftp->wf = NULL;
}
if (ftp->data) {
fclose(ftp->data);
ftp->data = NULL;
}
ftp->host = NULL;
return;
}
static int
ftp_login(FTP ftp)
{
int sock, status;
sock = openSocket(ftp->host, "ftp", 21);
if (sock < 0)
goto open_err;
if (ftppass_hostnamegen && !strcmp(ftp->user, "anonymous")) {
size_t n = strlen(ftp->pass);
if (n > 0 && ftp->pass[n - 1] == '@') {
#ifdef INET6
struct sockaddr_storage sockname;
#else
struct sockaddr_in sockname;
#endif
socklen_t socknamelen = sizeof(sockname);
if (!getsockname(sock, (struct sockaddr *)&sockname, &socknamelen)) {
struct hostent *sockent;
Str tmp = Strnew_charp(ftp->pass);
#ifdef INET6
char hostbuf[NI_MAXHOST];
if (getnameinfo((struct sockaddr *)&sockname, socknamelen,
hostbuf, sizeof hostbuf, NULL, 0, NI_NAMEREQD)
== 0)
Strcat_charp(tmp, hostbuf);
else if (getnameinfo((struct sockaddr *)&sockname, socknamelen,
hostbuf, sizeof hostbuf, NULL, 0, NI_NUMERICHOST)
== 0)
Strcat_m_charp(tmp, "[", hostbuf, "]", NULL);
else
Strcat_charp(tmp, "unknown");
#else
if ((sockent = gethostbyaddr((char *)&sockname.sin_addr,
sizeof(sockname.sin_addr),
sockname.sin_family)))
Strcat_charp(tmp, sockent->h_name);
else
Strcat_m_charp(tmp, "[", inet_ntoa(sockname.sin_addr),
"]", NULL);
#endif
ftp->pass = tmp->ptr;
}
}
}
ftp->rf = newInputStream(sock);
ftp->wf = fdopen(dup(sock), "wb");
if (!ftp->rf || !ftp->wf)
goto open_err;
IStype(ftp->rf) |= IST_UNCLOSE;
ftp_command(ftp, NULL, NULL, &status);
if (status != 220)
goto open_err;
if (fmInitialized) {
message(Sprintf("Sending FTP username (%s) to remote server.",
ftp->user)->ptr, 0, 0);
refresh();
}
ftp_command(ftp, "USER", ftp->user, &status);
/*
* Some ftp daemons(e.g. publicfile) return code 230 for user command.
*/
if (status == 230)
goto succeed;
if (status != 331)
goto open_err;
if (fmInitialized) {
message("Sending FTP password to remote server.", 0, 0);
refresh();
}
ftp_command(ftp, "PASS", ftp->pass, &status);
if (status != 230)
goto open_err;
succeed:
return TRUE;
open_err:
ftp_close(ftp);
return FALSE;
}