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/modules.h (6474B)

/*
 * ProFTPD - FTP server daemon
 * Copyright (c) 1997, 1998 Public Flood Software
 * Copyright (c) 1999, 2000 MacGyver aka Habeeb J. Dihu <macgyver@tos.net>
 * 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.
 */

/* ProFTPD module definitions. */

#ifndef PR_MODULES_H
#define PR_MODULES_H

typedef struct module_struc	module;
typedef struct modret_struc	modret_t;

struct modret_struc {
  module *mr_handler_module;		/* which module handled this? */
  int mr_error;				/* !0 if error */
  const char *mr_numeric;		/* numeric error code */
  const char *mr_message;		/* text message */
  void *data;				/* add'l data -- undefined */
};

/* The following macros are for creating basic modret_t, and can
 * only be used inside of module handlers
 */

#define MODRET				static modret_t*
#define PR_HANDLED(cmd)			mod_create_ret((cmd),\
					0,NULL,NULL)
#define PR_DECLINED(cmd)		(modret_t*)NULL
#define PR_ERROR(cmd)			mod_create_ret((cmd),\
					1,NULL,NULL)
#define PR_ERROR_MSG(cmd,n,m)		mod_create_ret((cmd),\
					1,(n),(m))
#define PR_ERROR_INT(cmd,n)		mod_create_error((cmd),(n))

#define MODRET_ISDECLINED(x)		((x) == NULL)
#define MODRET_ISHANDLED(x)		((x) && !(x)->mr_error)
#define MODRET_ISERROR(x)		((x) && (x)->mr_error)
#define MODRET_HASNUM(x)		((x) && (x)->mr_numeric)
#define MODRET_HASMSG(x)		((x) && (x)->mr_message)
#define MODRET_ERROR(x)			((x) ? (x)->mr_error : 0)
#define MODRET_ERRNUM(x)		((x) ? (x)->mr_numeric : NULL)
#define MODRET_ERRMSG(x)		((x) ? (x)->mr_message : NULL)
#define MODRET_HASDATA(x)		((x) ? ((x)->data ? TRUE : FALSE) : FALSE)

typedef struct conftab_rec {
  char *directive;
  modret_t *(*handler)(cmd_rec *);

module *m;				/* Reference to owning module
					 * set when module is initialized
					 */

} conftable;

/* Classes of commands.  These are used as logging categories as well. */
#define CL_NONE		0x0000
#define CL_AUTH		0x0001  /* USER, PASS */
#define CL_INFO		0x0002  /* Informational commands (PWD, SYST, etc) */
#define CL_DIRS		0x0004  /* Directory commands (LIST, NLST, CWD, etc) */
#define CL_READ		0x0008  /* File reading commands (RETR) */
#define CL_WRITE	0x0010  /* Writing commands (STOR, MKD, etc) */
#define CL_MISC		0x0020  /* Miscellaneous (RNFR/RNTO, SITE, etc) */
#define CL_SEC		0x0040  /* RFC2228 Security commands, SSH key exchange */
#define CL_CONNECT	0x0080  /* Session start */
#define CL_DISCONNECT	0x0100  /* Session end */
#define CL_SSH		0x0200  /* SSH requests */
#define CL_SFTP		0x0400  /* SFTP requests */

/* Note that CL_ALL explicitly does NOT include CL_DISCONNECT; this is to
 * preserve backward compatible behavior.
 */
#define CL_ALL\
  (CL_AUTH|CL_INFO|CL_DIRS|CL_READ|\
   CL_WRITE|CL_MISC|CL_SEC|CL_SSH|CL_SFTP)

/* Command handler types for command table */
#define PRE_CMD				1
#define CMD				2
#define POST_CMD			3
#define POST_CMD_ERR			4
#define LOG_CMD				5
#define LOG_CMD_ERR			6
#define HOOK				7

typedef struct cmdtab_rec {

/* See above for cmd types. */
  unsigned char cmd_type;
  const char *command;

/* Command group. */
  const char *group;
  modret_t *(*handler)(cmd_rec *);

/* Does this command require authentication? */
  unsigned char requires_auth;

/* Can this command be issued during a transfer? (Now obsolete) */
  unsigned char interrupt_xfer;

int cmd_class;
  module *m;

} cmdtable;

typedef struct authtab_rec {
  int auth_flags;			/* future use */
  const char *name;
  modret_t *(*handler)(cmd_rec *);

module *m;
} authtable;

#define PR_AUTH_FL_REQUIRED		0x00001

struct module_struc {
  module *next, *prev;

int api_version;			/* API version _not_ module version */
  const char *name;			/* Module name */

struct conftab_rec *conftable;	/* Configuration directive table */
  struct cmdtab_rec *cmdtable;		/* Command table */
  struct authtab_rec *authtable; 	/* Authentication handler table */

int (*init)(void); 			/* Module initialization */
  int (*sess_init)(void);		/* Session initialization */

const char *module_version;		/* Module version */
  void *handle;				/* Module handle */

/* Internal use; high number == higher priority. */
  int priority;
};

#define ANY_MODULE			((module*)0xffffffff)

/* Prototypes */

unsigned char command_exists(const char *);
int modules_init(void);
void modules_list(int flags);
void modules_list2(int (*listf)(const char *, ...), int flags);
#define PR_MODULES_LIST_FL_SHOW_VERSION		0x00001
#define PR_MODULES_LIST_FL_SHOW_STATIC		0x00002

int modules_session_init(void);

unsigned char pr_module_exists(const char *);
module *pr_module_get(const char *);
int pr_module_load(module *m);
int pr_module_unload(module *m);

/* Load the various symbol tables from this module. */
int pr_module_load_authtab(module *m);
int pr_module_load_cmdtab(module *m);
int pr_module_load_conftab(module *m);

modret_t *pr_module_call(module *, modret_t *(*)(cmd_rec *), cmd_rec *);

/* This function is in main.c, but is prototyped here */
void set_auth_check(int (*ck)(cmd_rec *));

/* This callback is defined/stored in src/main.c */
extern int (*cmd_auth_chk)(cmd_rec *);

/* For use from inside module handler functions */
modret_t *mod_create_ret(cmd_rec *, unsigned char, const char *, const char *);
modret_t *mod_create_error(cmd_rec *, int);
modret_t *mod_create_data(cmd_rec *, void *);

/* Implemented in mod_core.c */
int core_chgrp(cmd_rec *, const char *, uid_t, gid_t);
int core_chmod(cmd_rec *, const char *, mode_t);

#endif /* PR_MODULES_H */

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