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ae7faed1 WJ |
1 | /*- |
2 | * Copyright (c) 1991 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | static char sccsid[] = "@(#)authenc.c 5.1 (Berkeley) 3/1/91"; | |
36 | #endif /* not lint */ | |
37 | ||
38 | #if defined(ENCRYPT) || defined(AUTHENTICATE) | |
39 | #include <sys/types.h> | |
40 | #include <arpa/telnet.h> | |
41 | #include <libtelnet/encrypt.h> | |
42 | #include <libtelnet/misc.h> | |
43 | ||
44 | #include "general.h" | |
45 | #include "ring.h" | |
46 | #include "externs.h" | |
47 | #include "defines.h" | |
48 | #include "types.h" | |
49 | ||
50 | int | |
51 | net_write(str, len) | |
52 | unsigned char *str; | |
53 | int len; | |
54 | { | |
55 | if (NETROOM() > len) { | |
56 | ring_supply_data(&netoring, str, len); | |
57 | if (str[0] == IAC && str[1] == SE) | |
58 | printsub('>', &str[2], len-2); | |
59 | return(len); | |
60 | } | |
61 | return(0); | |
62 | } | |
63 | ||
64 | void | |
65 | net_encrypt() | |
66 | { | |
67 | #if defined(ENCRYPT) | |
68 | if (encrypt_output) | |
69 | ring_encrypt(&netoring, encrypt_output); | |
70 | else | |
71 | ring_clearto(&netoring); | |
72 | #endif | |
73 | } | |
74 | ||
75 | int | |
76 | telnet_spin() | |
77 | { | |
78 | return(-1); | |
79 | } | |
80 | ||
81 | char * | |
82 | telnet_getenv(val) | |
83 | char *val; | |
84 | { | |
85 | return((char *)env_getvalue((unsigned char *)val)); | |
86 | } | |
87 | ||
88 | char * | |
89 | telnet_gets(prompt, result, length, echo) | |
90 | char *prompt; | |
91 | char *result; | |
92 | int length; | |
93 | int echo; | |
94 | { | |
95 | extern char *getpass(); | |
96 | extern int globalmode; | |
97 | int om = globalmode; | |
98 | char *res; | |
99 | ||
100 | TerminalNewMode(-1); | |
101 | if (echo) { | |
102 | printf("%s", prompt); | |
103 | res = fgets(result, length, stdin); | |
104 | } else if (res = getpass(prompt)) { | |
105 | strncpy(result, res, length); | |
106 | res = result; | |
107 | } | |
108 | TerminalNewMode(om); | |
109 | return(res); | |
110 | } | |
111 | #endif |