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/*
 * Copyright (c) 1988, 1990, 1993
 *      The Regents of the University of California.  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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
 */
 
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1988, 1990, 1993\n\
        The Regents of the University of California.  All rights reserved.\n";
#endif /* not lint */
 
#ifndef lint
static char sccsid[] = "@(#)main.c      8.2 (Berkeley) 12/15/93";
#endif /* not lint */
 
#include <sys/types.h>
#include <stdlib.h>
#include <unistd.h>
 
#include "ring.h"
#include "externs.h"
#include "defines.h"
 
/* These values need to be the same as defined in libtelnet/kerberos5.c */
/* Either define them in both places, or put in some common header file. */
#define OPTS_FORWARD_CREDS           0x00000002
#define OPTS_FORWARDABLE_CREDS       0x00000001
 
#if 0
#define FORWARD
#endif
 
/*
 * Initialize variables.
 */
    void
tninit()
{
    init_terminal();
 
    init_network();
 
    init_telnet();
 
    init_sys();
 
#if defined(TN3270)
    init_3270();
#endif
}
 
        void
usage()
{
        fprintf(stderr, "Usage: %s %s%s%s%s\n",
            prompt,
#ifdef  AUTHENTICATION
            "[-8] [-E] [-K] [-L] [-S tos] [-X atype] [-a] [-c] [-d] [-e char]",
            "\n\t[-k realm] [-l user] [-f/-F] [-n tracefile] ",
#else
            "[-8] [-E] [-L] [-S tos] [-a] [-c] [-d] [-e char] [-l user]",
            "\n\t[-n tracefile]",
#endif
#if defined(TN3270) && defined(unix)
# ifdef AUTHENTICATION
            "[-noasynch] [-noasynctty]\n\t[-noasyncnet] [-r] [-t transcom] ",
# else
            "[-noasynch] [-noasynctty] [-noasyncnet] [-r]\n\t[-t transcom]",
# endif
#else
            "[-r] ",
#endif
            "[host-name [port]]"
        );
        exit(1);
}
 
/*
 * main.  Parse arguments, invoke the protocol or command parser.
 */
 
 
main(argc, argv)
        int argc;
        char *argv[];
{
        extern char *optarg;
        extern int optind;
        int ch;
        char *user, *strrchr();
#ifdef  FORWARD
        extern int forward_flags;
#endif  /* FORWARD */
 
        tninit();               /* Clear out things */
#if     defined(CRAY) && !defined(__STDC__)
        _setlist_init();        /* Work around compiler bug */
#endif
 
        TerminalSaveState();
 
        if (prompt = strrchr(argv[0], '/'))
                ++prompt;
        else
                prompt = argv[0];
 
        user = NULL;
 
        rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE;
        autologin = -1;
 
        while ((ch = getopt(argc, argv, "8EKLNS:X:acde:fFk:l:n:rt:x")) != -1) {
                switch(ch) {
                case '8':
                        eight = 3;      /* binary output and input */
                        break;
                case 'E':
                        rlogin = escape = _POSIX_VDISABLE;
                        break;
                case 'K':
#ifdef  AUTHENTICATION
                        autologin = 0;
#endif
                        break;
                case 'L':
                        eight |= 2;     /* binary output only */
                        break;
                case 'N':
                        doaddrlookup = 0;
                        break;
                case 'S':
                    {
#ifdef  HAS_GETTOS
                        extern int tos;
 
                        if ((tos = parsetos(optarg, "tcp")) < 0)
                                fprintf(stderr, "%s%s%s%s\n",
                                        prompt, ": Bad TOS argument '",
                                        optarg,
                                        "; will try to use default TOS");
#else
                        fprintf(stderr,
                           "%s: Warning: -S ignored, no parsetos() support.\n",
                                                                prompt);
#endif
                    }
                        break;
                case 'X':
#ifdef  AUTHENTICATION
                        auth_disable_name(optarg);
#endif
                        break;
                case 'a':
                        autologin = 1;
                        break;
                case 'c':
                        skiprc = 1;
                        break;
                case 'd':
                        debug = 1;
                        break;
                case 'e':
                        set_escape_char(optarg);
                        break;
                case 'f':
#if defined(AUTHENTICATION) && defined(KRB5) && defined(FORWARD)
                        if (forward_flags & OPTS_FORWARD_CREDS) {
                            fprintf(stderr,
                                    "%s: Only one of -f and -F allowed.\n",
                                    prompt);
                            usage();
                        }
                        forward_flags |= OPTS_FORWARD_CREDS;
#else
                        fprintf(stderr,
                         "%s: Warning: -f ignored, no Kerberos V5 support.\n",
                                prompt);
#endif
                        break;
                case 'F':
#if defined(AUTHENTICATION) && defined(KRB5) && defined(FORWARD)
                        if (forward_flags & OPTS_FORWARD_CREDS) {
                            fprintf(stderr,
                                    "%s: Only one of -f and -F allowed.\n",
                                    prompt);
                            usage();
                        }
                        forward_flags |= OPTS_FORWARD_CREDS;
                        forward_flags |= OPTS_FORWARDABLE_CREDS;
#else
                        fprintf(stderr,
                         "%s: Warning: -F ignored, no Kerberos V5 support.\n",
                                prompt);
#endif
                        break;
                case 'k':
#if defined(AUTHENTICATION) && defined(KRB4)
                    {
                        extern char *dest_realm, dst_realm_buf[], dst_realm_sz;
                        dest_realm = dst_realm_buf;
                        (void)strncpy(dest_realm, optarg, dst_realm_sz);
                    }
#else
                        fprintf(stderr,
                           "%s: Warning: -k ignored, no Kerberos V4 support.\n",
                                                                prompt);
#endif
                        break;
                case 'l':
                        autologin = 1;
                        user = optarg;
                        break;
                case 'n':
#if defined(TN3270) && defined(unix)
                        /* distinguish between "-n oasynch" and "-noasynch" */
                        if (argv[optind - 1][0] == '-' && argv[optind - 1][1]
                            == 'n' && argv[optind - 1][2] == 'o') {
                                if (!strcmp(optarg, "oasynch")) {
                                        noasynchtty = 1;
                                        noasynchnet = 1;
                                } else if (!strcmp(optarg, "oasynchtty"))
                                        noasynchtty = 1;
                                else if (!strcmp(optarg, "oasynchnet"))
                                        noasynchnet = 1;
                        } else
#endif  /* defined(TN3270) && defined(unix) */
                                SetNetTrace(optarg);
                        break;
                case 'r':
                        rlogin = '~';
                        break;
                case 't':
#if defined(TN3270) && defined(unix)
                        transcom = tline;
                        (void)strcpy(transcom, optarg);
#else
                        fprintf(stderr,
                           "%s: Warning: -t ignored, no TN3270 support.\n",
                                                                prompt);
#endif
                        break;
                case 'x':
                        fprintf(stderr,
                            "%s: Warning: -x ignored, no ENCRYPT support.\n",
                                                                prompt);
                        break;
                case '?':
                default:
                        usage();
                        /* NOTREACHED */
                }
        }
        if (autologin == -1)
                autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1;
 
        argc -= optind;
        argv += optind;
 
        if (argc) {
                char *args[7], **argp = args;
 
                if (argc > 2)
                        usage();
                *argp++ = prompt;
                if (user) {
                        *argp++ = "-l";
                        *argp++ = user;
                }
                *argp++ = argv[0];               /* host */
                if (argc > 1)
                        *argp++ = argv[1];      /* port */
                *argp = 0;
 
#ifndef EMBED
                if (setjmp(toplevel) != 0)
                        Exit(0);
#endif
                if (tn(argp - args, args) == 1)
                        return (0);
                else
                        return (1);
        }
#ifndef EMBED
        (void)setjmp(toplevel);
#endif
        for (;;) {
#ifdef TN3270
                if (shell_active)
                        shell_continue();
                else
#endif
                        command(1, 0, 0);
        }
}

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[/] [or1k/] [trunk/] [uclinux/] [userland/] [telnet/] [main.c] - Blame information for rev 1778

Line No.	Rev	Author	Line
1	763	simons	`/*`
2			`* Copyright (c) 1988, 1990, 1993`
3			`* The Regents of the University of California. 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 copyright[] =`
36			`"@(#) Copyright (c) 1988, 1990, 1993\n\`
37			`The Regents of the University of California. All rights reserved.\n";`
38			`#endif /* not lint */`
39
40			`#ifndef lint`
41			`static char sccsid[] = "@(#)main.c 8.2 (Berkeley) 12/15/93";`
42			`#endif /* not lint */`
43
44			`#include <sys/types.h>`
45			`#include <stdlib.h>`
46			`#include <unistd.h>`
47
48			`#include "ring.h"`
49			`#include "externs.h"`
50			`#include "defines.h"`
51
52			`/* These values need to be the same as defined in libtelnet/kerberos5.c */`
53			`/* Either define them in both places, or put in some common header file. */`
54			`#define OPTS_FORWARD_CREDS 0x00000002`
55			`#define OPTS_FORWARDABLE_CREDS 0x00000001`
56
57			`#if 0`
58			`#define FORWARD`
59			`#endif`
60
61			`/*`
62			`* Initialize variables.`
63			`*/`
64			`void`
65			`tninit()`
66			`{`
67			`init_terminal();`
68
69			`init_network();`
70
71			`init_telnet();`
72
73			`init_sys();`
74
75			`#if defined(TN3270)`
76			`init_3270();`
77			`#endif`
78			`}`
79
80			`void`
81			`usage()`
82			`{`
83			`fprintf(stderr, "Usage: %s %s%s%s%s\n",`
84			`prompt,`
85			`#ifdef AUTHENTICATION`
86			`"[-8] [-E] [-K] [-L] [-S tos] [-X atype] [-a] [-c] [-d] [-e char]",`
87			`"\n\t[-k realm] [-l user] [-f/-F] [-n tracefile] ",`
88			`#else`
89			`"[-8] [-E] [-L] [-S tos] [-a] [-c] [-d] [-e char] [-l user]",`
90			`"\n\t[-n tracefile]",`
91			`#endif`
92			`#if defined(TN3270) && defined(unix)`
93			`# ifdef AUTHENTICATION`
94			`"[-noasynch] [-noasynctty]\n\t[-noasyncnet] [-r] [-t transcom] ",`
95			`# else`
96			`"[-noasynch] [-noasynctty] [-noasyncnet] [-r]\n\t[-t transcom]",`
97			`# endif`
98			`#else`
99			`"[-r] ",`
100			`#endif`
101			`"[host-name [port]]"`
102			`);`
103			`exit(1);`
104			`}`
105
106			`/*`
107			`* main. Parse arguments, invoke the protocol or command parser.`
108			`*/`
109
110
111			`main(argc, argv)`
112			`int argc;`
113			`char *argv[];`
114			`{`
115			`extern char *optarg;`
116			`extern int optind;`
117			`int ch;`
118			`char user, strrchr();`
119			`#ifdef FORWARD`
120			`extern int forward_flags;`
121			`#endif /* FORWARD */`
122
123			`tninit(); /* Clear out things */`
124			`#if defined(CRAY) && !defined(__STDC__)`
125			`_setlist_init(); /* Work around compiler bug */`
126			`#endif`
127
128			`TerminalSaveState();`
129
130			`if (prompt = strrchr(argv[0], '/'))`
131			`++prompt;`
132			`else`
133			`prompt = argv[0];`
134
135			`user = NULL;`
136
137			`rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE;`
138			`autologin = -1;`
139
140			`while ((ch = getopt(argc, argv, "8EKLNS:X:acde:fFk:l:n:rt:x")) != -1) {`
141			`switch(ch) {`
142			`case '8':`
143			`eight = 3; /* binary output and input */`
144			`break;`
145			`case 'E':`
146			`rlogin = escape = _POSIX_VDISABLE;`
147			`break;`
148			`case 'K':`
149			`#ifdef AUTHENTICATION`
150			`autologin = 0;`
151			`#endif`
152			`break;`
153			`case 'L':`
154			`eight \|= 2; /* binary output only */`
155			`break;`
156			`case 'N':`
157			`doaddrlookup = 0;`
158			`break;`
159			`case 'S':`
160			`{`
161			`#ifdef HAS_GETTOS`
162			`extern int tos;`
163
164			`if ((tos = parsetos(optarg, "tcp")) < 0)`
165			`fprintf(stderr, "%s%s%s%s\n",`
166			`prompt, ": Bad TOS argument '",`
167			`optarg,`
168			`"; will try to use default TOS");`
169			`#else`
170			`fprintf(stderr,`
171			`"%s: Warning: -S ignored, no parsetos() support.\n",`
172			`prompt);`
173			`#endif`
174			`}`
175			`break;`
176			`case 'X':`
177			`#ifdef AUTHENTICATION`
178			`auth_disable_name(optarg);`
179			`#endif`
180			`break;`
181			`case 'a':`
182			`autologin = 1;`
183			`break;`
184			`case 'c':`
185			`skiprc = 1;`
186			`break;`
187			`case 'd':`
188			`debug = 1;`
189			`break;`
190			`case 'e':`
191			`set_escape_char(optarg);`
192			`break;`
193			`case 'f':`
194			`#if defined(AUTHENTICATION) && defined(KRB5) && defined(FORWARD)`
195			`if (forward_flags & OPTS_FORWARD_CREDS) {`
196			`fprintf(stderr,`
197			`"%s: Only one of -f and -F allowed.\n",`
198			`prompt);`
199			`usage();`
200			`}`
201			`forward_flags \|= OPTS_FORWARD_CREDS;`
202			`#else`
203			`fprintf(stderr,`
204			`"%s: Warning: -f ignored, no Kerberos V5 support.\n",`
205			`prompt);`
206			`#endif`
207			`break;`
208			`case 'F':`
209			`#if defined(AUTHENTICATION) && defined(KRB5) && defined(FORWARD)`
210			`if (forward_flags & OPTS_FORWARD_CREDS) {`
211			`fprintf(stderr,`
212			`"%s: Only one of -f and -F allowed.\n",`
213			`prompt);`
214			`usage();`
215			`}`
216			`forward_flags \|= OPTS_FORWARD_CREDS;`
217			`forward_flags \|= OPTS_FORWARDABLE_CREDS;`
218			`#else`
219			`fprintf(stderr,`
220			`"%s: Warning: -F ignored, no Kerberos V5 support.\n",`
221			`prompt);`
222			`#endif`
223			`break;`
224			`case 'k':`
225			`#if defined(AUTHENTICATION) && defined(KRB4)`
226			`{`
227			`extern char *dest_realm, dst_realm_buf[], dst_realm_sz;`
228			`dest_realm = dst_realm_buf;`
229			`(void)strncpy(dest_realm, optarg, dst_realm_sz);`
230			`}`
231			`#else`
232			`fprintf(stderr,`
233			`"%s: Warning: -k ignored, no Kerberos V4 support.\n",`
234			`prompt);`
235			`#endif`
236			`break;`
237			`case 'l':`
238			`autologin = 1;`
239			`user = optarg;`
240			`break;`
241			`case 'n':`
242			`#if defined(TN3270) && defined(unix)`
243			`/* distinguish between "-n oasynch" and "-noasynch" */`
244			`if (argv[optind - 1][0] == '-' && argv[optind - 1][1]`
245			`== 'n' && argv[optind - 1][2] == 'o') {`
246			`if (!strcmp(optarg, "oasynch")) {`
247			`noasynchtty = 1;`
248			`noasynchnet = 1;`
249			`} else if (!strcmp(optarg, "oasynchtty"))`
250			`noasynchtty = 1;`
251			`else if (!strcmp(optarg, "oasynchnet"))`
252			`noasynchnet = 1;`
253			`} else`
254			`#endif /* defined(TN3270) && defined(unix) */`
255			`SetNetTrace(optarg);`
256			`break;`
257			`case 'r':`
258			`rlogin = '~';`
259			`break;`
260			`case 't':`
261			`#if defined(TN3270) && defined(unix)`
262			`transcom = tline;`
263			`(void)strcpy(transcom, optarg);`
264			`#else`
265			`fprintf(stderr,`
266			`"%s: Warning: -t ignored, no TN3270 support.\n",`
267			`prompt);`
268			`#endif`
269			`break;`
270			`case 'x':`
271			`fprintf(stderr,`
272			`"%s: Warning: -x ignored, no ENCRYPT support.\n",`
273			`prompt);`
274			`break;`
275			`case '?':`
276			`default:`
277			`usage();`
278			`/* NOTREACHED */`
279			`}`
280			`}`
281			`if (autologin == -1)`
282			`autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1;`
283
284			`argc -= optind;`
285			`argv += optind;`
286
287			`if (argc) {`
288			`char args[7], *argp = args;`
289
290			`if (argc > 2)`
291			`usage();`
292			`*argp++ = prompt;`
293			`if (user) {`
294			`*argp++ = "-l";`
295			`*argp++ = user;`
296			`}`
297			`argp++ = argv[0]; / host */`
298			`if (argc > 1)`
299			`argp++ = argv[1]; / port */`
300			`*argp = 0;`
301
302			`#ifndef EMBED`
303			`if (setjmp(toplevel) != 0)`
304			`Exit(0);`
305			`#endif`
306			`if (tn(argp - args, args) == 1)`
307			`return (0);`
308			`else`
309			`return (1);`
310			`}`
311			`#ifndef EMBED`
312			`(void)setjmp(toplevel);`
313			`#endif`
314			`for (;;) {`
315			`#ifdef TN3270`
316			`if (shell_active)`
317			`shell_continue();`
318			`else`
319			`#endif`
320			`command(1, 0, 0);`
321			`}`
322			`}`