Annotation of src/usr.bin/telnet/authenc.c, Revision 1.6.6.1
1.6.6.1 ! brad 1: /* $OpenBSD: authenc.c,v 1.6 2003/06/03 02:56:18 millert 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.
1.6 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
1.5 hin 33: /*
1.6.6.1 ! brad 34: RCSID("$Id: authenc.c,v 1.6 2003/06/03 02:56:18 millert Exp $");
1.5 hin 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: {
1.5 hin 69: extern int scheduler_lockout_tty;
70:
71: scheduler_lockout_tty = 1;
72: Scheduler(0);
73: scheduler_lockout_tty = 0;
74:
75: return 0;
76:
1.1 deraadt 77: }
78:
79: char *
80: telnet_getenv(val)
1.4 hin 81: const char *val;
1.1 deraadt 82: {
1.6.6.1 ! brad 83: return((char *)env_getvalue((unsigned char *)val, 0));
1.1 deraadt 84: }
85:
86: char *
87: telnet_gets(prompt, result, length, echo)
88: char *prompt;
89: char *result;
90: int length;
91: int echo;
92: {
93: extern char *getpass();
94: extern int globalmode;
95: int om = globalmode;
96: char *res;
97:
98: TerminalNewMode(-1);
99: if (echo) {
100: printf("%s", prompt);
101: res = fgets(result, length, stdin);
1.3 art 102: } else if ((res = getpass(prompt))) {
1.1 deraadt 103: strncpy(result, res, length);
104: res = result;
105: }
106: TerminalNewMode(om);
107: return(res);
108: }
109: #endif /* defined(AUTHENTICATION) */