1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
3*0Sstevel@tonic-gate * Use is subject to license terms.
4*0Sstevel@tonic-gate */
5*0Sstevel@tonic-gate
6*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
7*0Sstevel@tonic-gate
8*0Sstevel@tonic-gate /*
9*0Sstevel@tonic-gate * Copyright (c) 1988, 1990 Regents of the University of California.
10*0Sstevel@tonic-gate * All rights reserved.
11*0Sstevel@tonic-gate *
12*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without
13*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions
14*0Sstevel@tonic-gate * are met:
15*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the above copyright
16*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer.
17*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright
18*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in the
19*0Sstevel@tonic-gate * documentation and/or other materials provided with the distribution.
20*0Sstevel@tonic-gate * 3. All advertising materials mentioning features or use of this software
21*0Sstevel@tonic-gate * must display the following acknowledgement:
22*0Sstevel@tonic-gate * This product includes software developed by the University of
23*0Sstevel@tonic-gate * California, Berkeley and its contributors.
24*0Sstevel@tonic-gate * 4. Neither the name of the University nor the names of its contributors
25*0Sstevel@tonic-gate * may be used to endorse or promote products derived from this software
26*0Sstevel@tonic-gate * without specific prior written permission.
27*0Sstevel@tonic-gate *
28*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29*0Sstevel@tonic-gate * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30*0Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31*0Sstevel@tonic-gate * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32*0Sstevel@tonic-gate * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33*0Sstevel@tonic-gate * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34*0Sstevel@tonic-gate * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35*0Sstevel@tonic-gate * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36*0Sstevel@tonic-gate * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37*0Sstevel@tonic-gate * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38*0Sstevel@tonic-gate * SUCH DAMAGE.
39*0Sstevel@tonic-gate */
40*0Sstevel@tonic-gate
41*0Sstevel@tonic-gate #ifndef lint
42*0Sstevel@tonic-gate char copyright[] =
43*0Sstevel@tonic-gate "@(#) Copyright (c) 1988, 1990 Regents of the University of California.\n"
44*0Sstevel@tonic-gate " All rights reserved.\n";
45*0Sstevel@tonic-gate #endif /* not lint */
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate #ifndef lint
48*0Sstevel@tonic-gate static char sccsid[] = "@(#)main.c 5.5 (Berkeley) 12/18/92";
49*0Sstevel@tonic-gate #endif /* not lint */
50*0Sstevel@tonic-gate
51*0Sstevel@tonic-gate #include <string.h>
52*0Sstevel@tonic-gate #include <sys/types.h>
53*0Sstevel@tonic-gate
54*0Sstevel@tonic-gate #include "ring.h"
55*0Sstevel@tonic-gate #include "externs.h"
56*0Sstevel@tonic-gate #include "defines.h"
57*0Sstevel@tonic-gate
58*0Sstevel@tonic-gate /* These values need to be the same as defined in libtelnet/kerberos5.c */
59*0Sstevel@tonic-gate /* Either define them in both places, or put in some common header file. */
60*0Sstevel@tonic-gate #define OPTS_FORWARD_CREDS 0x00000002
61*0Sstevel@tonic-gate #define OPTS_FORWARDABLE_CREDS 0x00000001
62*0Sstevel@tonic-gate
63*0Sstevel@tonic-gate /*
64*0Sstevel@tonic-gate * This flag is incremented, if any of the
65*0Sstevel@tonic-gate * Kerberos command line options are used.
66*0Sstevel@tonic-gate */
67*0Sstevel@tonic-gate int krb5auth_flag = 0;
68*0Sstevel@tonic-gate
69*0Sstevel@tonic-gate /*
70*0Sstevel@tonic-gate * Initialize variables.
71*0Sstevel@tonic-gate */
72*0Sstevel@tonic-gate int
tninit()73*0Sstevel@tonic-gate tninit()
74*0Sstevel@tonic-gate {
75*0Sstevel@tonic-gate init_terminal();
76*0Sstevel@tonic-gate
77*0Sstevel@tonic-gate init_network();
78*0Sstevel@tonic-gate
79*0Sstevel@tonic-gate if (init_telnet() == 0)
80*0Sstevel@tonic-gate return (0);
81*0Sstevel@tonic-gate
82*0Sstevel@tonic-gate init_sys();
83*0Sstevel@tonic-gate
84*0Sstevel@tonic-gate return (1);
85*0Sstevel@tonic-gate }
86*0Sstevel@tonic-gate
87*0Sstevel@tonic-gate #if defined(USE_TOS)
88*0Sstevel@tonic-gate #define TELNET_OPTIONS "8EKLS:X:acde:fFk:l:n:rt:x"
89*0Sstevel@tonic-gate #else
90*0Sstevel@tonic-gate #define TELNET_OPTIONS "8EKLX:acde:fFk:l:n:rt:x"
91*0Sstevel@tonic-gate #endif /* USE_TOS */
92*0Sstevel@tonic-gate
93*0Sstevel@tonic-gate static void
usage()94*0Sstevel@tonic-gate usage()
95*0Sstevel@tonic-gate {
96*0Sstevel@tonic-gate (void) fprintf(stderr, "Usage: %s %s\n",
97*0Sstevel@tonic-gate prompt,
98*0Sstevel@tonic-gate " [-8] [-E] [-K] [-L] [-a] [-c] [-d] [-f/-F] [-r] [-x]"
99*0Sstevel@tonic-gate "\n\t[-e char] [-k realm] [-l user] [-n tracefile] [-X atype]"
100*0Sstevel@tonic-gate "\n\t[host-name [port]]");
101*0Sstevel@tonic-gate exit(1);
102*0Sstevel@tonic-gate }
103*0Sstevel@tonic-gate
104*0Sstevel@tonic-gate /*
105*0Sstevel@tonic-gate * main. Parse arguments, invoke the protocol or command parser.
106*0Sstevel@tonic-gate */
107*0Sstevel@tonic-gate
108*0Sstevel@tonic-gate
109*0Sstevel@tonic-gate int
main(int argc,char * argv[])110*0Sstevel@tonic-gate main(int argc, char *argv[])
111*0Sstevel@tonic-gate {
112*0Sstevel@tonic-gate int ch;
113*0Sstevel@tonic-gate char *user;
114*0Sstevel@tonic-gate extern boolean_t auth_enable_encrypt;
115*0Sstevel@tonic-gate extern int forward_flags;
116*0Sstevel@tonic-gate
117*0Sstevel@tonic-gate /* Clear out things */
118*0Sstevel@tonic-gate if (tninit() == 0)
119*0Sstevel@tonic-gate return (EXIT_FAILURE);
120*0Sstevel@tonic-gate
121*0Sstevel@tonic-gate if (!isatty(fileno(stdin))) {
122*0Sstevel@tonic-gate setbuf(stdin, NULL);
123*0Sstevel@tonic-gate }
124*0Sstevel@tonic-gate if (!isatty(fileno(stdout))) {
125*0Sstevel@tonic-gate setbuf(stdout, NULL);
126*0Sstevel@tonic-gate }
127*0Sstevel@tonic-gate
128*0Sstevel@tonic-gate TerminalSaveState();
129*0Sstevel@tonic-gate
130*0Sstevel@tonic-gate if (prompt = strrchr(argv[0], '/'))
131*0Sstevel@tonic-gate ++prompt;
132*0Sstevel@tonic-gate else
133*0Sstevel@tonic-gate prompt = argv[0];
134*0Sstevel@tonic-gate
135*0Sstevel@tonic-gate user = NULL;
136*0Sstevel@tonic-gate
137*0Sstevel@tonic-gate rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE;
138*0Sstevel@tonic-gate autologin = -1;
139*0Sstevel@tonic-gate
140*0Sstevel@tonic-gate while ((ch = getopt(argc, argv, TELNET_OPTIONS)) != EOF) {
141*0Sstevel@tonic-gate switch (ch) {
142*0Sstevel@tonic-gate case 'K':
143*0Sstevel@tonic-gate autologin_set = 1;
144*0Sstevel@tonic-gate autologin = 0;
145*0Sstevel@tonic-gate krb5auth_flag++;
146*0Sstevel@tonic-gate break;
147*0Sstevel@tonic-gate case 'X':
148*0Sstevel@tonic-gate auth_disable_name(optarg);
149*0Sstevel@tonic-gate krb5auth_flag++;
150*0Sstevel@tonic-gate break;
151*0Sstevel@tonic-gate case 'a':
152*0Sstevel@tonic-gate autologin_set = 1;
153*0Sstevel@tonic-gate autologin = 1;
154*0Sstevel@tonic-gate krb5auth_flag++;
155*0Sstevel@tonic-gate break;
156*0Sstevel@tonic-gate case 'f':
157*0Sstevel@tonic-gate if (forward_flags & OPTS_FORWARD_CREDS) {
158*0Sstevel@tonic-gate (void) fprintf(stderr, gettext(
159*0Sstevel@tonic-gate "%s: Only one of -f "
160*0Sstevel@tonic-gate "and -F allowed.\n"), prompt);
161*0Sstevel@tonic-gate usage();
162*0Sstevel@tonic-gate }
163*0Sstevel@tonic-gate forward_flags |= OPTS_FORWARD_CREDS;
164*0Sstevel@tonic-gate forward_flag_set = 1;
165*0Sstevel@tonic-gate krb5auth_flag++;
166*0Sstevel@tonic-gate break;
167*0Sstevel@tonic-gate case 'F':
168*0Sstevel@tonic-gate if (forward_flags & OPTS_FORWARD_CREDS) {
169*0Sstevel@tonic-gate (void) fprintf(stderr, gettext(
170*0Sstevel@tonic-gate "%s: Only one of -f "
171*0Sstevel@tonic-gate "and -F allowed.\n"), prompt);
172*0Sstevel@tonic-gate usage();
173*0Sstevel@tonic-gate }
174*0Sstevel@tonic-gate forward_flags |= OPTS_FORWARD_CREDS;
175*0Sstevel@tonic-gate forward_flags |= OPTS_FORWARDABLE_CREDS;
176*0Sstevel@tonic-gate forwardable_flag_set = 1;
177*0Sstevel@tonic-gate forward_flag = 1;
178*0Sstevel@tonic-gate krb5auth_flag++;
179*0Sstevel@tonic-gate break;
180*0Sstevel@tonic-gate case 'k':
181*0Sstevel@tonic-gate set_krb5_realm(optarg);
182*0Sstevel@tonic-gate krb5auth_flag++;
183*0Sstevel@tonic-gate break;
184*0Sstevel@tonic-gate case 'x':
185*0Sstevel@tonic-gate if (krb5_privacy_allowed()) {
186*0Sstevel@tonic-gate encrypt_auto(1);
187*0Sstevel@tonic-gate decrypt_auto(1);
188*0Sstevel@tonic-gate wantencryption = B_TRUE;
189*0Sstevel@tonic-gate autologin = 1;
190*0Sstevel@tonic-gate autologin_set = 1;
191*0Sstevel@tonic-gate auth_enable_encrypt = B_TRUE;
192*0Sstevel@tonic-gate encrypt_flag_set = 1;
193*0Sstevel@tonic-gate krb5auth_flag++;
194*0Sstevel@tonic-gate } else {
195*0Sstevel@tonic-gate (void) fprintf(stderr, gettext(
196*0Sstevel@tonic-gate "%s: Encryption not supported.\n"),
197*0Sstevel@tonic-gate prompt);
198*0Sstevel@tonic-gate exit(1);
199*0Sstevel@tonic-gate }
200*0Sstevel@tonic-gate break;
201*0Sstevel@tonic-gate
202*0Sstevel@tonic-gate /* begin common options */
203*0Sstevel@tonic-gate case '8':
204*0Sstevel@tonic-gate eight = 3; /* binary output and input */
205*0Sstevel@tonic-gate break;
206*0Sstevel@tonic-gate case 'E':
207*0Sstevel@tonic-gate escape_valid = B_FALSE;
208*0Sstevel@tonic-gate rlogin = escape = _POSIX_VDISABLE;
209*0Sstevel@tonic-gate break;
210*0Sstevel@tonic-gate case 'L':
211*0Sstevel@tonic-gate eight |= 2; /* binary output only */
212*0Sstevel@tonic-gate break;
213*0Sstevel@tonic-gate #if USE_TOS
214*0Sstevel@tonic-gate case 'S':
215*0Sstevel@tonic-gate (void) fprintf(stderr,
216*0Sstevel@tonic-gate "%s: Warning: -S ignored, no parsetos() support.\n",
217*0Sstevel@tonic-gate prompt);
218*0Sstevel@tonic-gate break;
219*0Sstevel@tonic-gate #endif /* USE_TOS */
220*0Sstevel@tonic-gate case 'c':
221*0Sstevel@tonic-gate skiprc = 1;
222*0Sstevel@tonic-gate break;
223*0Sstevel@tonic-gate case 'd':
224*0Sstevel@tonic-gate debug = 1;
225*0Sstevel@tonic-gate break;
226*0Sstevel@tonic-gate case 'e':
227*0Sstevel@tonic-gate escape_valid = B_TRUE;
228*0Sstevel@tonic-gate set_escape_char(optarg);
229*0Sstevel@tonic-gate break;
230*0Sstevel@tonic-gate case 'l':
231*0Sstevel@tonic-gate autologin_set = 1;
232*0Sstevel@tonic-gate autologin = 1;
233*0Sstevel@tonic-gate user = optarg;
234*0Sstevel@tonic-gate break;
235*0Sstevel@tonic-gate case 'n':
236*0Sstevel@tonic-gate SetNetTrace(optarg);
237*0Sstevel@tonic-gate break;
238*0Sstevel@tonic-gate case 'r':
239*0Sstevel@tonic-gate rlogin = '~';
240*0Sstevel@tonic-gate break;
241*0Sstevel@tonic-gate case 't':
242*0Sstevel@tonic-gate (void) fprintf(stderr,
243*0Sstevel@tonic-gate "%s: Warning: -t ignored, no TN3270 support.\n",
244*0Sstevel@tonic-gate prompt);
245*0Sstevel@tonic-gate break;
246*0Sstevel@tonic-gate default:
247*0Sstevel@tonic-gate usage();
248*0Sstevel@tonic-gate /* NOTREACHED */
249*0Sstevel@tonic-gate }
250*0Sstevel@tonic-gate }
251*0Sstevel@tonic-gate if (autologin == -1)
252*0Sstevel@tonic-gate autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1;
253*0Sstevel@tonic-gate
254*0Sstevel@tonic-gate argc -= optind;
255*0Sstevel@tonic-gate argv += optind;
256*0Sstevel@tonic-gate
257*0Sstevel@tonic-gate if (argc) {
258*0Sstevel@tonic-gate char *args[7], **argp = args;
259*0Sstevel@tonic-gate
260*0Sstevel@tonic-gate if (argc > 2)
261*0Sstevel@tonic-gate usage();
262*0Sstevel@tonic-gate *argp++ = prompt;
263*0Sstevel@tonic-gate if (user) {
264*0Sstevel@tonic-gate *argp++ = "-l";
265*0Sstevel@tonic-gate *argp++ = user;
266*0Sstevel@tonic-gate }
267*0Sstevel@tonic-gate *argp++ = argv[0]; /* host */
268*0Sstevel@tonic-gate if (argc > 1)
269*0Sstevel@tonic-gate *argp++ = argv[1]; /* port */
270*0Sstevel@tonic-gate *argp = 0;
271*0Sstevel@tonic-gate
272*0Sstevel@tonic-gate if (setjmp(toplevel) != 0)
273*0Sstevel@tonic-gate Exit(EXIT_SUCCESS);
274*0Sstevel@tonic-gate if (tn(argp - args, args) == 1)
275*0Sstevel@tonic-gate return (EXIT_SUCCESS);
276*0Sstevel@tonic-gate else
277*0Sstevel@tonic-gate return (EXIT_FAILURE);
278*0Sstevel@tonic-gate }
279*0Sstevel@tonic-gate (void) setjmp(toplevel);
280*0Sstevel@tonic-gate for (;;) {
281*0Sstevel@tonic-gate command(1, 0, 0);
282*0Sstevel@tonic-gate }
283*0Sstevel@tonic-gate }
284