FM / proftpd

/usr/include/proftpd

Name	Size	Mode	Actions
ascii.h	2674	0644	edit dl rm
auth.h	6381	0644	edit dl rm
base.h	3497	0644	edit dl rm
bindings.h	8027	0644	edit dl rm
buildstamp.h	50	0644	edit dl rm
ccan-json.h	3677	0644	edit dl rm
child.h	1511	0644	edit dl rm
class.h	3096	0644	edit dl rm
cmd.h	4463	0644	edit dl rm
compat.h	1324	0644	edit dl rm
conf.h	3948	0644	edit dl rm
config.h	36627	0644	edit dl rm
configdb.h	5864	0644	edit dl rm
ctrls.h	8524	0644	edit dl rm
data.h	2582	0644	edit dl rm
default_paths.h	3037	0644	edit dl rm
dirtree.h	7648	0644	edit dl rm
display.h	2514	0644	edit dl rm
encode.h	3757	0644	edit dl rm
env.h	1913	0644	edit dl rm
error.h	18894	0644	edit dl rm
event.h	3583	0644	edit dl rm
expr.h	2209	0644	edit dl rm
feat.h	1303	0644	edit dl rm
filter.h	2113	0644	edit dl rm
fsio.h	19528	0644	edit dl rm
ftp.h	9196	0644	edit dl rm
glibc-glob.h	7294	0644	edit dl rm
hanson-tpl.h	4505	0644	edit dl rm
help.h	1265	0644	edit dl rm
ident.h	1334	0644	edit dl rm
inet.h	5395	0644	edit dl rm
jot.h	8736	0644	edit dl rm
json.h	6282	0644	edit dl rm
lastlog.h	1655	0644	edit dl rm
log.h	6822	0644	edit dl rm
logfmt.h	3444	0644	edit dl rm
memcache.h	5056	0644	edit dl rm
mkhome.h	1569	0644	edit dl rm
modules.h	6474	0644	edit dl rm
mod_ctrls.h	4058	0644	edit dl rm
mod_sftp.h	10959	0644	edit dl rm
mod_tls.h	6478	0644	edit dl rm
netacl.h	2571	0644	edit dl rm
netaddr.h	15999	0644	edit dl rm
netio.h	8176	0644	edit dl rm
openbsd-blowfish.h	2967	0644	edit dl rm
options.h	8531	0644	edit dl rm
os.h	7391	0644	edit dl rm
parser.h	6351	0644	edit dl rm
pidfile.h	1331	0644	edit dl rm
pool.h	4138	0644	edit dl rm
pr-syslog.h	3552	0644	edit dl rm
privs.h	2613	0644	edit dl rm
proctitle.h	1682	0644	edit dl rm
proftpd.h	9727	0644	edit dl rm
random.h	1325	0644	edit dl rm
redis.h	15953	0644	edit dl rm
regexp.h	3720	0644	edit dl rm
response.h	3145	0644	edit dl rm
rlimit.h	1873	0644	edit dl rm
scoreboard.h	4760	0644	edit dl rm
session.h	4430	0644	edit dl rm
sets.h	1986	0644	edit dl rm
signals.h	1879	0644	edit dl rm
stash.h	2174	0644	edit dl rm
str.h	5729	0644	edit dl rm
support.h	4494	0644	edit dl rm
table.h	11883	0644	edit dl rm
throttle.h	1299	0644	edit dl rm
timers.h	3370	0644	edit dl rm
trace.h	2421	0644	edit dl rm
utf8.h	1407	0644	edit dl rm
var.h	4419	0644	edit dl rm
version.h	1631	0644	edit dl rm
xferlog.h	1374	0644	edit dl rm

Edit: /usr/include/proftpd/bindings.h (8027B)

/*
 * ProFTPD - FTP server daemon
 * Copyright (c) 2001-2020 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, The ProFTPD Project team 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.
 */

/* ProFTPD bindings support routines. */

#ifndef PR_BINDINGS_H
#define PR_BINDINGS_H

#include "conf.h"
#include "pool.h"

/* NOTE: the is* members could possibly become a bitmasked number */

/* Structure associating an IP address to a server_rec */
typedef struct ipbind_rec {
  struct ipbind_rec *ib_next;

/* IP address to which this binding is "bound" */
  const pr_netaddr_t *ib_addr;
  unsigned int ib_port;

/* Default server to handle requests to this binding.  If namebinds are
   * present, they will be checked before using this server
   */
  server_rec *ib_server;

/* Listener associated with this binding.  This listener, and
   * ib_server->listen, are the same listener.  The duplicate locations
   * are necessary for inetd-run servers (at present).
   */
  conn_t *ib_listener;

/* List of name-based servers bound to the above IP address.  Note that
   * if this functionality becomes widely adopted and used, a more efficient
   * search-and-lookup mechanism will be needed, for performance reasons.
   */
  array_header *ib_namebinds;

/* If this binding is the DefaultServer binding */
  unsigned char ib_isdefault;

/* If this binding handles localhost requests */
  unsigned char ib_islocalhost;

/* If this binding is active */
  unsigned char ib_isactive;

} pr_ipbind_t;

/* Structure associating a name to a server_rec */
typedef struct namebind_rec {
  const char *nb_name;
  unsigned char nb_iswildcard;
  unsigned char nb_isactive;
  server_rec *nb_server;
  unsigned int nb_server_port;

} pr_namebind_t;

/* Define the size of the hash table used to store server configurations.
 * It needs to be a power of two.
 */
#define PR_BINDINGS_TABLE_SIZE	256

/* Given an fd returned by select(), accept() and return the connt_t structure
 * for the binding associated with that fd.  Returns the conn_t if successful,
 * NULL if not found or if the arguments were NULL.
 */
conn_t *pr_ipbind_accept_conn(fd_set *readfds, int *listenfd);

/* Create a new IP-based binding for the server given, using the provided
 * arguments. The new binding is added the list maintained by the bindings
 * layer.  Returns 0 on success, -1 on failure.
 */
int pr_ipbind_create(server_rec *server, const pr_netaddr_t *addr,
  unsigned int port);

/* Close all IP bindings associated with the given IP address/port combination.
 * The bindings are then marked as inactive, so that future lookups via
 * pr_ipbind_find() skip these bindings.  Returns 0 on success, -1 on failure
 * (eg no associated bindings found).
 */
int pr_ipbind_close(const pr_netaddr_t *addr, unsigned int port,
  unsigned char close_namebinds);

/* Close all listenings fds.  This needs to happen just after a process
 * has been forked to handle a session.
 */
int pr_ipbind_close_listeners(void);

/* Search through the given server's configuration records, and for each
 * associated bind configuration found, create an additional IP binding for
 * that bind address.  Honors SocketBindTight, if set.  Returns 0 on
 * success, -1 on failure (if server == NULL, for example).
 */
int pr_ipbind_add_binds(server_rec *server);

/* Search the binding list, and return the pr_ipbind_t for the given addr and
 * port.  If requested, skip over inactive bindings while searching.
 */
pr_ipbind_t *pr_ipbind_find(const pr_netaddr_t *addr, unsigned int port,
  unsigned char skip_inactive);

/* Iterate through the binding list, returning the next ipbind.  Returns NULL
 * once the end of the list is reached.  If prev is NULL, the iterator
 * restarts at the beginning of the list.
 */
pr_ipbind_t *pr_ipbind_get(pr_ipbind_t *prev);

/* Search the binding list, and return the server_rec * that is bound to the
 * given IP address/port combination.
 */
server_rec *pr_ipbind_get_server(const pr_netaddr_t *addr, unsigned int port);

/* Listens on each file descriptor in the given set, and returns the file
 * descriptor associated with an incoming connection request.  Returns -1
 * on error, as when the fd_set argument is NULL.
 */
int pr_ipbind_listen(fd_set *readfds);

/* Prepares the IP-based binding associated with the given server for listening.
 * Returns 0 on success, -1 on failure.
 */
int pr_ipbind_open(const pr_netaddr_t *addr, unsigned int port,
  conn_t *listen_conn, unsigned char isdefault, unsigned char islocalhost,
  unsigned char open_namebinds);

conn_t *pr_ipbind_get_listening_conn(server_rec *server,
  const pr_netaddr_t *addr, unsigned int port);

/* Close the pr_namebind_t with the given name. */
int pr_namebind_close(const char *name, const pr_netaddr_t *addr);

/* Create a pr_namebind_t, similar to a pr_ipbind_t, which maps the name (usu.
 * DNS hostname) to the server_rec.  The given addr is used to associate this
 * pr_namebind_t with the given IP address (to which the DNS hostname should
 * resolve).
 */
int pr_namebind_create(server_rec *server, const char *name,
  pr_ipbind_t *ipbind, const pr_netaddr_t *addr, unsigned int port);

/* Search the Bindings layer, and return the pr_namebind_t associated with
 * the given addr, port, and name.  If requested, skip over inactive
 * bindings while searching.
 */
pr_namebind_t *pr_namebind_find(const char *name, const pr_netaddr_t *addr,
  unsigned int port, unsigned char skip_inactive);

/* Find the server_rec associated with the given name.  If none are found,
 * default to the server_rec of the containing pr_ipbind_t.
 */
server_rec *pr_namebind_get_server(const char *name, const pr_netaddr_t *addr,
  unsigned int port);

/* Opens the pr_namebind_t with the given name. */
int pr_namebind_open(const char *name, const pr_netaddr_t *addr,
  unsigned int port);

/* Provides a count of the number of namebinds associated with this
 * server_rec.
 */
unsigned int pr_namebind_count(server_rec *);

/* Initialize the Bindings layer. */
void init_bindings(void);

/* Free the Bindings layer. */
void free_bindings(void);

/* Macro error-handling wrappers */
#define PR_ADD_IPBINDS(s) \
  if ((res = pr_ipbind_add_binds((s))) < 0) \
    pr_log_pri(PR_LOG_NOTICE, \
      "%s:%d: notice: unable to add binds to ipbind '%s': %s", \
      __FILE__, __LINE__, (s)->ServerAddress, strerror(errno))

#define PR_CLOSE_IPBIND(a, p, c) \
  if ((res = pr_ipbind_close((a), (p), (c))) < 0) \
    pr_log_pri(PR_LOG_NOTICE, \
      "%s:%d: notice: unable to close ipbind: %s", \
      __FILE__, __LINE__, strerror(errno))

#define PR_CREATE_IPBIND(s, a, p) \
  if ((res = pr_ipbind_create((s), (a), (p))) < 0) \
    pr_log_pri(PR_LOG_NOTICE, \
      "%s:%d: notice: unable to create ipbind '%s#%u': %s", \
      __FILE__, __LINE__, (s)->ServerAddress, (p), strerror(errno))

#define PR_OPEN_IPBIND(a, p, c, d, l, o) \
  if ((res = pr_ipbind_open((a), (p), (c), (d), (l), (o))) < 0) \
    pr_log_pri(PR_LOG_NOTICE, \
      "%s:%d: notice: unable to open ipbind '%s': %s", \
      __FILE__, __LINE__, pr_netaddr_get_ipstr((a)), strerror(errno))

#endif /* PR_BINDINGS_H */

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