static void
emit_greeting(struct vsf_session* p_sess)
{
struct mystr str_log_line = INIT_MYSTR;
/* Check for client limits (standalone mode only) */
if (tunable_max_clients > 0 &&
p_sess->num_clients > tunable_max_clients)
{
str_alloc_text(&str_log_line, "Connection refused: too many sessions.");
vsf_log_line(p_sess, kVSFLogEntryConnection, &str_log_line);
vsf_cmdio_write_noblock(p_sess, FTP_TOO_MANY_USERS,
"There are too many connected users, please try later.");
vsf_sysutil_exit(0);
}
if (tunable_max_per_ip > 0 &&
p_sess->num_this_ip > tunable_max_per_ip)
{
str_alloc_text(&str_log_line,
"Connection refused: too many sessions for this address.");
vsf_log_line(p_sess, kVSFLogEntryConnection, &str_log_line);
vsf_cmdio_write_noblock(p_sess, FTP_IP_LIMIT,
"There are too many connections from your internet address.");
vsf_sysutil_exit(0);
}
if (!p_sess->tcp_wrapper_ok)
{
str_alloc_text(&str_log_line,
"Connection refused: tcp_wrappers denial.");
vsf_log_line(p_sess, kVSFLogEntryConnection, &str_log_line);
vsf_cmdio_write_noblock(p_sess, FTP_IP_DENY, "Service not available.");
vsf_sysutil_exit(0);
}
vsf_log_line(p_sess, kVSFLogEntryConnection, &str_log_line);
if (!str_isempty(&p_sess->banner_str))
{
vsf_banner_write(p_sess, &p_sess->banner_str, FTP_GREET);
str_free(&p_sess->banner_str);
vsf_cmdio_write(p_sess, FTP_GREET, "");
}
else if (tunable_ftpd_banner == 0)
{
vsf_cmdio_write(p_sess, FTP_GREET, "(vsFTPd " VSF_VERSION
")");
}
else
{
vsf_cmdio_write(p_sess, FTP_GREET, tunable_ftpd_banner);
}
}
static void
emit_greeting(struct vsf_session* p_sess)
{
if (!str_isempty(&p_sess->banner_str))
{
vsf_banner_write(p_sess, &p_sess->banner_str, FTP_GREET);
str_free(&p_sess->banner_str);
vsf_cmdio_write(p_sess, FTP_GREET, "");
}
else if (tunable_ftpd_banner == 0)
{
vsf_cmdio_write(p_sess, FTP_GREET, "(vsFTPd " VSF_VERSION
")");
}
else
{
vsf_cmdio_write(p_sess, FTP_GREET, tunable_ftpd_banner);
}
}
void
vsf_banner_dir_changed(struct vsf_session* p_sess, int ftpcode)
{
struct mystr dir_str = INIT_MYSTR;
/* Do nothing if .message support is off */
if (!tunable_dirmessage_enable)
{
return;
}
if (p_sess->p_visited_dir_list == 0)
{
struct mystr_list the_list = INIT_STRLIST;
p_sess->p_visited_dir_list = vsf_sysutil_malloc(sizeof(struct mystr_list));
*p_sess->p_visited_dir_list = the_list;
}
str_getcwd(&dir_str);
/* Do nothing if we already visited this directory */
if (!str_list_contains_str(p_sess->p_visited_dir_list, &dir_str))
{
/* Just in case, cap the max. no of visited directories we'll remember */
if (str_list_get_length(p_sess->p_visited_dir_list) <
VSFTP_MAX_VISIT_REMEMBER)
{
str_list_add(p_sess->p_visited_dir_list, &dir_str, 0);
}
/* If we have a .message file, squirt it out prepended by the ftpcode and
* the continuation mark '-'
*/
{
struct mystr msg_file_str = INIT_MYSTR;
if (tunable_message_file)
{
(void) str_fileread(&msg_file_str, tunable_message_file,
VSFTP_MAX_MSGFILE_SIZE);
}
vsf_banner_write(p_sess, &msg_file_str, ftpcode);
str_free(&msg_file_str);
}
}
str_free(&dir_str);
}
