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/auth.h (6381B)

/*
 * ProFTPD - FTP server daemon
 * Copyright (c) 2004-2020 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 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 Auth API */

#ifndef PR_AUTH_H
#define PR_AUTH_H

/* Possible return codes for auth handlers
 */

/* Account authenticated by means other than PASS (e.g. RFC2228 modules).
 * This value is more generic than PR_AUTH_RFC2228_OK.
 */
#define PR_AUTH_OK_NO_PASS		3

/* Account authenticated by RFC2228 security data exchange */
#define PR_AUTH_RFC2228_OK		2

/* Account authenticated normally */
#define PR_AUTH_OK			0

/* Error occurred in auth handler */
#define PR_AUTH_ERROR			-1

/* Account does not exist */
#define PR_AUTH_NOPWD			-2

/* Password mismatch */
#define PR_AUTH_BADPWD			-3

/* Password hasn't been changed recently enough */
#define PR_AUTH_AGEPWD			-4

/* Account has been disabled */
#define PR_AUTH_DISABLEDPWD		-5

/* Insufficient credentials. */
#define PR_AUTH_CRED_INSUFFICIENT	-6

/* Unavailable credentials. */
#define PR_AUTH_CRED_UNAVAIL		-7

/* Failure setting/using credentials. */
#define PR_AUTH_CRED_ERROR		-8

/* Unavailable credential/authentication service. */
#define PR_AUTH_INFO_UNAVAIL		-9

/* Max authentication attempts reached. */
#define PR_AUTH_MAX_ATTEMPTS_EXCEEDED	-10

/* Authentication service initialization failure. */
#define PR_AUTH_INIT_ERROR		-11

/* New authentication token/credentials needed. */
#define PR_AUTH_NEW_TOKEN_REQUIRED	-12

void pr_auth_setpwent(pool *);
void pr_auth_endpwent(pool *);
void pr_auth_setgrent(pool *);
void pr_auth_endgrent(pool *);
struct passwd *pr_auth_getpwent(pool *);
struct group *pr_auth_getgrent(pool *);
struct passwd *pr_auth_getpwnam(pool *, const char *);
struct passwd *pr_auth_getpwuid(pool *, uid_t);
struct group *pr_auth_getgrnam(pool *, const char *);
struct group *pr_auth_getgrgid(pool *, gid_t);
int pr_auth_authenticate(pool *, const char *, const char *);
int pr_auth_authorize(pool *, const char *);
int pr_auth_check(pool *, const char *, const char *, const char *);
const char *pr_auth_uid2name(pool *, uid_t);
const char *pr_auth_gid2name(pool *, gid_t);
uid_t pr_auth_name2uid(pool *, const char *);
gid_t pr_auth_name2gid(pool *, const char *);
int pr_auth_getgroups(pool *, const char *, array_header **, array_header **);
int pr_auth_requires_pass(pool *, const char *);

/* This is a convenience function used by mod_auth as part of the
 * authentication process.  Given a user name, retrieve the <Anonymous>
 * configuration for that user.  If the user name is not be handled as
 * an anonymous login, NULL is returned.
 */
config_rec *pr_auth_get_anon_config(pool *p, const char **login_user,
  char **real_user, char **anon_user);

/* Wrapper function around the chroot(2) system call, handles setting of
 * appropriate environment variables if necessary.
 */
int pr_auth_chroot(const char *);

/* Check the /etc/ftpusers file, as per the UseFtpUsers directive, to see
 * if the given user is allowed.  Returns TRUE if the user is banned by
 * /etc/ftpusers, FALSE if not banned, and -1 if there was an error.
 */
int pr_auth_banned_by_ftpusers(xaset_t *, const char *);

/* Check the /etc/shells file, as per the RequireValidShell directive, to
 * ensure that the given shell is valid.  Returns TRUE if the user has
 * a valid shell, FALSE if an invalid shell, and -1 if there was an error.
 */
int pr_auth_is_valid_shell(xaset_t *, const char *);

/* Add to the list of authenticating-only modules (e.g. PAM). */
int pr_auth_add_auth_only_module(const char *);

/* Remove the named module from the list of authenticating-only modules. */
int pr_auth_remove_auth_only_module(const char *);

/* Clear the authenticating-only module list, e.g. when authentication has
 * completed.
 */
int pr_auth_clear_auth_only_modules(void);

/* Clears any cached IDs/names. */
void pr_auth_cache_clear(void);

/* Enable caching of certain data within the Auth API. */
int pr_auth_cache_set(int enable, unsigned int flags);
#define PR_AUTH_CACHE_FL_UID2NAME	0x00001
#define PR_AUTH_CACHE_FL_GID2NAME	0x00002
#define PR_AUTH_CACHE_FL_AUTH_MODULE	0x00004
#define PR_AUTH_CACHE_FL_NAME2UID	0x00008
#define PR_AUTH_CACHE_FL_NAME2GID	0x00010
#define PR_AUTH_CACHE_FL_BAD_UID2NAME	0x00020
#define PR_AUTH_CACHE_FL_BAD_GID2NAME	0x00040
#define PR_AUTH_CACHE_FL_BAD_NAME2UID	0x00080
#define PR_AUTH_CACHE_FL_BAD_NAME2GID	0x00100

/* Default Auth API cache flags/settings. */
#define PR_AUTH_CACHE_FL_DEFAULT \
  (PR_AUTH_CACHE_FL_UID2NAME|\
   PR_AUTH_CACHE_FL_GID2NAME|\
   PR_AUTH_CACHE_FL_AUTH_MODULE|\
   PR_AUTH_CACHE_FL_NAME2UID|\
   PR_AUTH_CACHE_FL_NAME2GID|\
   PR_AUTH_CACHE_FL_BAD_UID2NAME|\
   PR_AUTH_CACHE_FL_BAD_GID2NAME|\
   PR_AUTH_CACHE_FL_BAD_NAME2UID|\
   PR_AUTH_CACHE_FL_BAD_NAME2GID)

/* Wrapper function for retrieving the user's home directory.  This handles
 * any possible RewriteHome configuration.
 */
const char *pr_auth_get_home(pool *, const char *pw_dir);

/* Policy setting for the maximum allowable password length.  This is
 * supported for mitigating potential resource consumption attack via the
 * crypt(3) function.
 */
size_t pr_auth_set_max_password_len(pool *p, size_t len);

/* Pool-using convenience wrapper for the bcrypt() function. */
char *pr_auth_bcrypt(pool *p, const char *key, const char *salt,
  size_t *hashed_len);

/* For internal use only. */
int init_auth(void);
int set_groups(pool *, gid_t, array_header *);

#endif /* PR_MODULES_H */

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