/*-
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)extern.h 8.2 (Berkeley) 4/4/94
*/
#include <stdio.h>
#include <setjmp.h>
#include <stdarg.h>
#include <sys/socket.h>
#ifndef NO_FTPS_SUPPORT
#include <openssl/ssl.h>
#include <openssl/err.h>
#endif
extern void cwd __P ((const char *));
extern int checkuser __P ((const char *filename, const char *name));
extern void delete __P ((const char *));
extern int display_file __P ((const char *name, int code));
extern void dologout __P ((int));
extern void fatal __P ((const char *));
extern int ftpd_pclose __P ((FILE *));
extern char *ftpd_popen_escape __P ((const char *));
extern FILE *ftpd_popen __P ((char *, const char *));
#if !defined(HAVE_DECL_GETUSERSHELL) || HAVE_DECL_GETUSERSHELL == 0
extern char *getusershell __P ((void));
#endif
/* @see logwtmpko.c in libinetutils */
extern void logwtmp_keep_open __P ((char *, char *, char *));
extern void logwtmp __P ((const char *, const char *, const char *));
extern void lreply __P ((int, const char *, ...));
extern void makedir __P ((const char *));
extern void nack __P ((const char *));
extern void pass __P ((const char *));
extern void passive __P ((void));
extern void perror_reply __P ((int, const char *));
extern void pwd __P ((void));
extern void removedir __P ((const char *));
extern void removedir_recursive __P ((const char *));
extern void renamecmd __P ((const char *, const char *));
extern char *renamefrom __P ((const char *));
extern void reply __P ((int, const char *, ...))
#ifdef __GNUC__
__attribute__ ((__format__(__printf__, 2, 3)))
#endif
;
extern void retrieve __P ((const char *, const char *));
extern void send_file_list __P ((const char *));
extern void setproctitle __P ((const char *, ...));
extern void statcmd __P ((void));
extern void statfilecmd __P ((const char *));
extern void store __P ((const char *, const char *, int));
extern void toolong __P ((int));
extern char *get_controlconnection_line __P ((char *, int));
extern void upper __P ((char *));
extern void user __P ((const char *));
extern char *sgetsave __P ((const char *));
extern void sizecmd __P ((const char *));
extern void quota __P ((void));
/* Exported from ftpd.c. */
jmp_buf errcatch;
extern struct sockaddr_storage data_dest;
extern struct sockaddr_storage his_addr;
extern int g_extended_passive_all;
extern int logging;
extern int type;
extern int form;
extern int debug;
extern int timeout;
extern int maxtimeout;
extern int pdata;
extern char *hostname;
// extern char *remotehost;
extern char proctitle[];
extern int usedefault;
extern char tmpline[];
#if 1 /* FRITZBOX */
extern int max_clients;
#endif
#ifndef NO_RFC2640_SUPPORT
extern int g_utf8;
#endif
#ifndef NO_FTPS_SUPPORT
extern int g_PBSZ_Received;
#endif
extern unsigned short sockaddr_port __P ((struct sockaddr_storage *ss));
extern char *sockaddr_addr2string __P ((struct sockaddr_storage *ss));
extern struct sockaddr_storage *numericaladdr2sockaddr_storage __P ((const int family, const char *addr));
/* AVM */
extern int is_same_addr __P ((struct sockaddr_storage *ss1, struct sockaddr_storage *ss2));
extern void extended_port __P ((char *param));
extern void extended_passive __P ((unsigned net_prot));
extern void passive_ex __P ((int extended, int family));
#ifndef NO_FTPS_SUPPORT
extern void clear_ssl_errors __P ((void));
extern void Log_SSL_Errors __P ((void));
#endif
/* Exported from ftpcmd.y. */
extern off_t restart_point;
extern int yyparse __P ((void));
/* Exported from server_mode.c. */
extern int server_mode __P ((const char *pidfile,
struct sockaddr_storage *phis_addr));
/* Credential for the request. */
struct credentials
{
char *display_name;
char *name;
char *homedir;
char *rootdir;
char *shell;
char *remotehost;
char *passwd;
char *pass;
char *message; /* Sending back custom messages. */
uid_t uid;
gid_t gid;
int guest;
int dochroot;
int logged_in;
#define AUTH_TYPE_PASSWD 0
#define AUTH_TYPE_PAM 1
#define AUTH_TYPE_KERBEROS 2
#define AUTH_TYPE_KERBEROS5 3
#define AUTH_TYPE_OPIE 4
int auth_type;
#if 1 /* FRITZBOX */
short access_from_internet; // client access from the internet or local lan
char remote_addr_string[39+1];
#endif
};
extern struct credentials cred;
extern int sgetcred __P ((const char *, const char *, struct credentials *));
extern int auth_user __P ((const char *, const char *, struct credentials *));
extern int auth_pass __P ((const char *, struct credentials *));
extern int IsPrePERF12CompatibilityMode(void);
extern int IsSkipAuthenticationFromHomenetwork(char **pskip_username);
/* Exported from pam.c */
#ifdef WITH_PAM
extern int pam_user __P ((const char *, struct credentials *));
extern int pam_pass __P ((const char *, struct credentials *));
#endif
#ifndef NO_FTPS_SUPPORT
extern void SetControlConnectionSecurity __P ((void));
extern void SetDataConnectionSecurity __P ((void));
struct SecuredConnection {
SSL_CTX *ctx;
SSL *ssl;
};
extern struct SecuredConnection *g_pControlConnectionSecurity;
extern int g_bInternetFTPSOnly;
extern int g_bSecureDataConnection;
extern struct SecuredConnection *g_pDataConnectionSecurity;
extern unsigned short g_OpenedIPv4Port;
#endif // NO_FTPS_SUPPORT
#ifdef USE_IPV6
extern unsigned short g_OpenedIPv6Port;
#endif
void control_putc(char c);
void control_putchar(char c);
int control_vprintf(char *fmt, va_list ap)
#ifdef __GNUC__
__attribute__ ((__format__(__printf__, 1, 0)))
#endif
;
int control_printf(char *fmt, ...)
#ifdef __GNUC__
__attribute__ ((__format__(__printf__, 1, 2)))
#endif
;
void control_flush(void);
int control_ferror(void);
void data_putc(char c);
ssize_t data_write(const void *buf, size_t count);
ssize_t data_read(void *buf, size_t count);
void data_flush(void);
void data_fclose(void);
int data_get_fd(void);
int data_ferror(void);
int data_getc(void);
int data_printf(char *fmt, ...)
#ifdef __GNUC__
__attribute__ ((__format__(__printf__, 1, 2)))
#endif
;
int pattern_too_complex(const char *pattern);
void passive_firewall_close(void);
// #define FTPD_DEBUG
#ifdef FTPD_DEBUG
#define Log(x) _Log x
extern void _Log(char *fmt, ...)
#ifdef __GNUC__
__attribute__ ((__format__(__printf__, 1, 2)))
#endif
;
#define hex_dump(a,b,c) _hex_dump(a,b,c)
extern void _hex_dump(const char *hint, unsigned char *data, size_t siz);
#else
#define Log(x)
#define hex_dump(a,b,c)
#endif