appl/ftp/ftpd/auth.h

   1 /*
   2  * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed by the Kungliga Tekniska
  20  *      Högskolan and its contributors.
  21  *
  22  * 4. Neither the name of the Institute nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 /* $Id$ */
  40
  41 #ifndef __AUTH_H__
  42 #define __AUTH_H__
  43
  44 #include <stdarg.h>
  45
  46 struct at {
  47   char *name;
  48   int (*auth)(char*);
  49   int (*adat)(char*);
  50   int (*pbsz)(int);
  51   int (*prot)(int);
  52   int (*ccc)(void);
  53   int (*mic)(char*);
  54   int (*conf)(char*);
  55   int (*enc)(char*);
  56   int (*read)(int, void*, int);
  57   int (*write)(int, void*, int);
  58   int (*userok)(char*);
  59   int (*vprintf)(const char*, va_list);
  60 };
  61
  62 extern struct at *ct;
  63
  64 enum protection_levels {
  65   prot_clear, prot_safe, prot_confidential, prot_private
  66 };
  67
  68 extern char *protection_names[];
  69
  70 extern char *ftp_command;
  71 extern int prot_level;
  72
  73 void delete_ftp_command(void);
  74
  75 extern int data_protection;
  76 extern int buffer_size;
  77 extern unsigned char *data_buffer;
  78 extern int auth_complete;
  79
  80 void auth_init(void);
  81
  82 int auth_ok(void);
  83
  84 void auth(char*);
  85 void adat(char*);
  86 void pbsz(int);
  87 void prot(char*);
  88 void ccc(void);
  89 void mic(char*);
  90 void conf(char*);
  91 void enc(char*);
  92
  93 int auth_read(int, void*, int);
  94 int auth_write(int, void*, int);
  95
  96 void auth_vprintf(const char *fmt, va_list ap)
  97 #ifdef __GNUC__
  98 __attribute__ ((format (printf, 1, 0)))
  99 #endif
 100 ;
 101 void auth_printf(const char *fmt, ...)
 102 #ifdef __GNUC__
 103 __attribute__ ((format (printf, 1, 2)))
 104 #endif
 105 ;
 106
 107 void new_ftp_command(char *command);
 108
 109 #endif /* __AUTH_H__ */