Annotation of src/usr.bin/telnet/authenc.c, Revision 1.4
1.4 ! hin 1: /* $OpenBSD: authenc.c,v 1.3 1998/03/12 04:57:27 art Exp $ */
1.2 niklas 2: /* $NetBSD: authenc.c,v 1.5 1996/02/28 21:03:52 thorpej Exp $ */
3:
1.1 deraadt 4: /*-
5: * Copyright (c) 1991, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
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: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
1.3 art 37: #include "telnet_locl.h"
1.1 deraadt 38:
1.3 art 39: #if defined(AUTHENTICATION) || defined(ENCRYPTION)
1.1 deraadt 40:
41: int
1.4 ! hin 42: telnet_net_write(str, len)
1.1 deraadt 43: unsigned char *str;
44: int len;
45: {
46: if (NETROOM() > len) {
47: ring_supply_data(&netoring, str, len);
48: if (str[0] == IAC && str[1] == SE)
49: printsub('>', &str[2], len-2);
50: return(len);
51: }
52: return(0);
53: }
54:
55: void
56: net_encrypt()
57: {
1.3 art 58: #if defined(ENCRYPTION)
59: if (encrypt_output)
60: ring_encrypt(&netoring, encrypt_output);
61: else
62: ring_clearto(&netoring);
63: #endif
1.1 deraadt 64: }
65:
66: int
67: telnet_spin()
68: {
69: return(-1);
70: }
71:
72: char *
73: telnet_getenv(val)
1.4 ! hin 74: const char *val;
1.1 deraadt 75: {
76: return((char *)env_getvalue((unsigned char *)val));
77: }
78:
79: char *
80: telnet_gets(prompt, result, length, echo)
81: char *prompt;
82: char *result;
83: int length;
84: int echo;
85: {
86: extern char *getpass();
87: extern int globalmode;
88: int om = globalmode;
89: char *res;
90:
91: TerminalNewMode(-1);
92: if (echo) {
93: printf("%s", prompt);
94: res = fgets(result, length, stdin);
1.3 art 95: } else if ((res = getpass(prompt))) {
1.1 deraadt 96: strncpy(result, res, length);
97: res = result;
98: }
99: TerminalNewMode(om);
100: return(res);
101: }
102: #endif /* defined(AUTHENTICATION) */