Edit: /usr/include/proftpd/options.h (8531B)
/*
* ProFTPD - FTP server daemon
* Copyright (c) 1997, 1998 Public Flood Software
* Copyright (c) 1999, 2000 MacGyver aka Habeeb J. Dihu
* Copyright (c) 2001-2023 The ProFTPD Project team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
*
* As a special exemption, Public Flood Software/MacGyver aka Habeeb J. Dihu
* and other respective copyright holders give permission to link this program
* with OpenSSL, and distribute the resulting executable, without including
* the source code for OpenSSL in the source distribution.
*/
/* User configurable defaults and tunable parameters. */
#ifndef PR_OPTIONS_H
#define PR_OPTIONS_H
/* Tunable parameters */
/* This defines the timeout for the main select() loop, defines the number
* of seconds to wait for a session request before checking for things such
* as shutdown requests, perform signal dispatching, etc before waitinng
* for requests again.
*/
#define PR_TUNABLE_SELECT_TIMEOUT 30
/* Hash table size is the number of items in the module hash tables.
*/
#define PR_TUNABLE_HASH_TABLE_SIZE 40
/* "Backlog" is the number of connections that can be received at one
* burst before the kernel rejects. This can be configured by the
* "tcpBackLog" configuration directive, this value is just the default.
* If a backlog value of -1 is supported, it means "use system/kernel default".
*/
#ifndef PR_TUNABLE_DEFAULT_BACKLOG
# ifdef LISTEN_NEGATIVE_BACKLOG
# define PR_TUNABLE_DEFAULT_BACKLOG -1
# else
# define PR_TUNABLE_DEFAULT_BACKLOG 128
# endif /* LISTEN_NEGATIVE_BACKLOG */
#endif /* PR_TUNABLE_DEFAULT_BACKLOG */
/* The default TCP send/receive buffer sizes, should explicit sizes not
* be defined at compile time, or should the runtime determination process
* fail.
*
* Note that these default buffer sizes are only used if the service cannot
* determine the platform's favored network buffer sizes using getsockopt(2).
* If you wish to override the use of getsockopt(2) to determine the network
* buffer sizes to use, you can use the PR_TUNABLE_RCVBUFSZ and
* PR_TUNABLE_SNDBUFSZ macros to define, at compile-time, the network buffer
* sizes to use.
*/
#ifndef PR_TUNABLE_DEFAULT_RCVBUFSZ
# define PR_TUNABLE_DEFAULT_RCVBUFSZ 65536
#endif /* PR_TUNABLE_DEFAULT_RCVBUFSZ */
#ifndef PR_TUNABLE_DEFAULT_SNDBUFSZ
# define PR_TUNABLE_DEFAULT_SNDBUFSZ 65536
#endif /* PR_TUNABLE_DEFAULT_SNDBUFSZ */
/* Default internal buffer size used for data transfers and other
* miscellaneous tasks.
*/
#ifndef PR_TUNABLE_BUFFER_SIZE
# define PR_TUNABLE_BUFFER_SIZE 1024
#endif
/* There is also a definable buffer size used specifically for parsing
* lines of text from the config file: PR_TUNABLE_PARSER_BUFFER_SIZE.
*
* You should manually set the PR_TUNABLE_PARSER_BUFFER_SIZE only if you
* have exceptionally long configuration lines.
*/
#ifndef PR_TUNABLE_PARSER_BUFFER_SIZE
# define PR_TUNABLE_PARSER_BUFFER_SIZE 4096
#endif
/* There is also a definable buffer size used specifically for data
* transfers: PR_TUNABLE_XFER_BUFFER_SIZE. By default, this buffer
* size is automatically determined, at runtime, as the smaller of the
* TCP receive and send buffer sizes.
*
* You should manually set the PR_TUNABLE_XFER_BUFFER_SIZE only in
* special circumstances, when you need to explicitly control that
* buffer size.
*/
#ifndef PR_TUNABLE_XFER_BUFFER_SIZE
# define PR_TUNABLE_XFER_BUFFER_SIZE PR_TUNABLE_BUFFER_SIZE
#endif
/* Maximum FTP command size. For details on this size of 512KB, see
* the Bug#4014 discussion.
*/
#ifndef PR_TUNABLE_CMD_BUFFER_SIZE
# define PR_TUNABLE_CMD_BUFFER_SIZE (512 * 1024)
#endif
/* Maximum path length. GNU HURD (and some others) do not define
* MAXPATHLEN. POSIX' PATH_MAX is mandated to be at least 256
* (according to some), so 1K, in the absence of MAXPATHLEN, should be
* a reasonable default.
*/
#ifndef PR_TUNABLE_PATH_MAX
# ifdef MAXPATHLEN
# define PR_TUNABLE_PATH_MAX MAXPATHLEN
# else
# define PR_TUNABLE_PATH_MAX 1024
# endif
#endif
/* Default timeouts, if not explicitly configured via
* the TimeoutLogin, TimeoutIdle, etc directives.
*/
#ifndef PR_TUNABLE_TIMEOUTIDENT
# define PR_TUNABLE_TIMEOUTIDENT 10
#endif
#ifndef PR_TUNABLE_TIMEOUTIDLE
# define PR_TUNABLE_TIMEOUTIDLE 600
#endif
/* The default command timeout in many command-line FTP clients (e.g.
* lukemftp, used on BSDs and maybe Linux?) is 60 seconds. To avoid having
* those clients close the control connection because proftpd takes too
* long, while performing lingering closes, to send a response, keep the
* default linger timeout under 60 seconds.
*/
#ifndef PR_TUNABLE_TIMEOUTLINGER
# define PR_TUNABLE_TIMEOUTLINGER 10
#endif
#ifndef PR_TUNABLE_TIMEOUTLOGIN
# define PR_TUNABLE_TIMEOUTLOGIN 300
#endif
#ifndef PR_TUNABLE_TIMEOUTNOXFER
# define PR_TUNABLE_TIMEOUTNOXFER 300
#endif
#ifndef PR_TUNABLE_TIMEOUTSTALLED
# define PR_TUNABLE_TIMEOUTSTALLED 3600
#endif
/* Number of bytes in a new memory pool. During file transfers,
* quite a few pools can be created, which eat up a lot of memory.
* Tune this if ProFTPD seems too memory hungry (warning! too low
* can negatively impact performance)
*/
#ifndef PR_TUNABLE_NEW_POOL_SIZE
# define PR_TUNABLE_NEW_POOL_SIZE 512
#endif
/* Number of bytes in certain scoreboard fields, usually for reporting
* the full command received from the connected client, or the current
* working directory for the session.
*/
#ifndef PR_TUNABLE_SCOREBOARD_BUFFER_SIZE
# define PR_TUNABLE_SCOREBOARD_BUFFER_SIZE 80
#endif
/* Number of seconds between scoreboard scrubs, where the scoreboard is
* scanned for slots containing invalid PIDs. Defaults to 30 seconds.
*/
#ifndef PR_TUNABLE_SCOREBOARD_SCRUB_TIMER
# define PR_TUNABLE_SCOREBOARD_SCRUB_TIMER 30
#endif
/* Maximum number of attempted updates to the scoreboard during a
* file transfer before an actual write is done. This is to allow
* an optimization where the scoreboard is not updated on every loop
* through the transfer buffer.
*/
#ifndef PR_TUNABLE_XFER_SCOREBOARD_UPDATES
# define PR_TUNABLE_XFER_SCOREBOARD_UPDATES 10
#endif
#ifndef PR_TUNABLE_CALLER_DEPTH
/* Max depth of call stack if stacktrace support is enabled. */
# define PR_TUNABLE_CALLER_DEPTH 32
#endif
#ifndef PR_TUNABLE_ENV_MAX
/* Max length of environment variable values allowed by proftpd. */
# define PR_TUNABLE_ENV_MAX 2048
#endif
#ifndef PR_TUNABLE_GLOBBING_MAX_RECURSION
/* Max number of recursion/directory levels to support when globbing.
*/
# define PR_TUNABLE_GLOBBING_MAX_RECURSION 8
#endif
#ifndef PR_TUNABLE_GLOBBING_MAX_MATCHES
/* Max number of matches to support when globbing.
*/
# define PR_TUNABLE_GLOBBING_MAX_MATCHES 100000UL
#endif
#ifndef PR_TUNABLE_LOGIN_MAX
/* Maximum length of login name.
*
* Ideally, we'd use _POSIX_LOGIN_NAME_MAX here, if it was defined. However,
* doing so would cause trouble for those sites that use databases for
* storing user information; such sites often use email addresses as
* login names. Given that, let's use 256 as a login name size.
*/
# define PR_TUNABLE_LOGIN_MAX 256
#endif
#ifndef PR_TUNABLE_PASSWORD_MAX
/* Maximum length of a password. */
# define PR_TUNABLE_PASSWORD_MAX 1024
#endif
#ifndef PR_TUNABLE_EINTR_RETRY_INTERVAL
/* Define the time to delay, in seconds, after a system call has been
* interrupted (errno is EINTR) before retrying that call.
*
* The default behavior is delay 0.1 secs between retries.
*/
# define PR_TUNABLE_EINTR_RETRY_INTERVAL 0.1
#endif
#ifndef PR_TUNABLE_XFER_LOG_MODE
# define PR_TUNABLE_XFER_LOG_MODE 0644
#endif
/* FS Statcache tuning. */
#if !defined(PR_TUNABLE_FS_STATCACHE_SIZE)
# define PR_TUNABLE_FS_STATCACHE_SIZE 30000
#endif
#if !defined(PR_TUNABLE_FS_STATCACHE_MAX_AGE)
# define PR_TUNABLE_FS_STATCACHE_MAX_AGE 3
#endif
#endif /* PR_OPTIONS_H */