1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/*
* Copyright (c) 1998 - 2005 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* 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.
*
* 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*/
/* $Id: security.h 21224 2007-06-20 10:15:13Z lha $ */
#ifndef __security_h__
#define __security_h__
enum protection_level {
prot_clear,
prot_safe,
prot_confidential,
prot_private
};
struct sec_client_mech {
char *name;
size_t size;
int (*init)(void *);
int (*auth)(void *, char*);
void (*end)(void *);
int (*check_prot)(void *, int);
int (*overhead)(void *, int, int);
int (*encode)(void *, void*, int, int, void**);
int (*decode)(void *, void*, int, int);
};
struct sec_server_mech {
char *name;
size_t size;
int (*init)(void *);
void (*end)(void *);
int (*check_prot)(void *, int);
int (*overhead)(void *, int, int);
int (*encode)(void *, void*, int, int, void**);
int (*decode)(void *, void*, int, int);
int (*auth)(void *);
int (*adat)(void *, void*, size_t);
size_t (*pbsz)(void *, size_t);
int (*ccc)(void*);
int (*userok)(void*, char*);
int (*session)(void*, char*);
};
#define AUTH_OK 0
#define AUTH_CONTINUE 1
#define AUTH_ERROR 2
extern int ftp_do_gss_bindings;
extern int ftp_do_gss_delegate;
#ifdef FTP_SERVER
extern struct sec_server_mech krb4_server_mech, gss_server_mech;
#else
extern struct sec_client_mech krb4_client_mech, gss_client_mech;
#endif
extern int sec_complete;
#ifdef FTP_SERVER
extern char *ftp_command;
void new_ftp_command(char*);
void delete_ftp_command(void);
#endif
/* ---- */
int sec_fflush (FILE *);
int sec_fprintf (FILE *, const char *, ...)
__attribute__ ((format (printf, 2,3)));
int sec_getc (FILE *);
int sec_putc (int, FILE *);
int sec_read (int, void *, int);
int sec_read_msg (char *, int);
int sec_vfprintf (FILE *, const char *, va_list)
__attribute__ ((format (printf, 2,0)));
int sec_fprintf2(FILE *f, const char *fmt, ...)
__attribute__ ((format (printf, 2,3)));
int sec_vfprintf2(FILE *, const char *, va_list)
__attribute__ ((format (printf, 2,0)));
int sec_write (int, char *, int);
#ifdef FTP_SERVER
void adat (char *);
void auth (char *);
void ccc (void);
void mec (char *, enum protection_level);
void pbsz (int);
void prot (char *);
void delete_ftp_command (void);
void new_ftp_command (char *);
int sec_userok (char *);
int sec_session(char *);
int secure_command (void);
enum protection_level get_command_prot(void);
#else
void sec_end (void);
int sec_login (char *);
void sec_prot (int, char **);
void sec_prot_command (int, char **);
int sec_request_prot (char *);
void sec_set_protection_level (void);
void sec_status (void);
enum protection_level set_command_prot(enum protection_level);
#endif
#endif /* __security_h__ */
|
