Annotation of src/usr.bin/telnet/main.c, Revision 1.29
1.29 ! guenther 1: /* $OpenBSD: main.c,v 1.28 2014/07/20 10:32:23 jsg Exp $ */
1.2 niklas 2: /* $NetBSD: main.c,v 1.5 1996/02/28 21:04:05 thorpej Exp $ */
3:
1.1 deraadt 4: /*
1.2 niklas 5: * Copyright (c) 1988, 1990, 1993
6: * The Regents of the University of California. All rights reserved.
1.1 deraadt 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.
1.14 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 art 33: #include "telnet_locl.h"
1.1 deraadt 34:
1.26 guenther 35: #include <sys/socket.h>
36: #include <stdlib.h>
37: #include <string.h>
1.25 guenther 38: #include <unistd.h>
1.1 deraadt 39:
1.15 otto 40: int family = AF_UNSPEC;
1.22 sthen 41: int rtableid = -1;
1.15 otto 42:
1.1 deraadt 43: /*
44: * Initialize variables.
45: */
46: void
47: tninit()
48: {
49: init_terminal();
50:
51: init_network();
1.2 niklas 52:
1.1 deraadt 53: init_telnet();
54:
55: init_sys();
56: }
57:
1.27 guenther 58: static __dead void
59: usage(void)
1.1 deraadt 60: {
1.16 jmc 61: extern char *__progname;
62:
63: (void)fprintf(stderr,
1.23 guenther 64: "usage: %s [-4678acDdEKLr] [-b hostalias] [-e escapechar] "
65: "[-l user]\n"
66: "\t[-n tracefile] [-V rtable] [host [port]]\n",
1.16 jmc 67: __progname);
68:
1.1 deraadt 69: exit(1);
70: }
71:
72: /*
73: * main. Parse arguments, invoke the protocol or command parser.
74: */
75:
1.7 art 76: int
1.1 deraadt 77: main(argc, argv)
78: int argc;
79: char *argv[];
80: {
81: int ch;
1.5 art 82: char *user, *alias;
1.17 claudio 83: const char *errstr;
1.11 hin 84:
1.1 deraadt 85: tninit(); /* Clear out things */
86:
87: TerminalSaveState();
88:
1.5 art 89: if ((prompt = strrchr(argv[0], '/')))
1.1 deraadt 90: ++prompt;
91: else
92: prompt = argv[0];
93:
1.3 niklas 94: user = alias = NULL;
1.1 deraadt 95:
96: rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE;
1.5 art 97:
1.1 deraadt 98: autologin = -1;
99:
1.23 guenther 100: while ((ch = getopt(argc, argv, "4678ab:cDdEe:KLl:n:rV:"))
1.15 otto 101: != -1) {
1.1 deraadt 102: switch(ch) {
1.15 otto 103: case '4':
104: family = AF_INET;
105: break;
106: case '6':
107: family = AF_INET6;
108: break;
1.23 guenther 109: case '7':
110: eight = 0;
111: break;
1.1 deraadt 112: case '8':
113: eight = 3; /* binary output and input */
114: break;
1.23 guenther 115: case 'a':
116: autologin = 1;
117: break;
118: case 'b':
119: alias = optarg;
120: break;
121: case 'c':
122: skiprc = 1;
1.5 art 123: break;
124: case 'D': {
125: /* sometimes we don't want a mangled display */
126: char *p;
127: if((p = getenv("DISPLAY")))
128: env_define("DISPLAY", (unsigned char*)p);
129: break;
130: }
1.23 guenther 131: case 'd':
132: debug = 1;
133: break;
1.1 deraadt 134: case 'E':
135: rlogin = escape = _POSIX_VDISABLE;
136: break;
1.23 guenther 137: case 'e':
138: set_escape_char(optarg);
139: break;
1.1 deraadt 140: case 'K':
141: autologin = 0;
142: break;
143: case 'L':
144: eight |= 2; /* binary output only */
145: break;
146: case 'l':
1.6 art 147: autologin = -1;
1.1 deraadt 148: user = optarg;
149: break;
150: case 'n':
1.23 guenther 151: SetNetTrace(optarg);
1.1 deraadt 152: break;
153: case 'r':
154: rlogin = '~';
155: break;
1.17 claudio 156: case 'V':
1.22 sthen 157: rtableid = (int)strtonum(optarg, 0,
1.17 claudio 158: RT_TABLEID_MAX, &errstr);
159: if (errstr) {
1.20 guenther 160: fprintf(stderr, "%s: Warning: "
161: "-V ignored, rtable %s: %s\n",
1.17 claudio 162: prompt, errstr, optarg);
163: }
1.1 deraadt 164: break;
165: case '?':
166: default:
167: usage();
168: }
169: }
1.5 art 170:
1.1 deraadt 171: if (autologin == -1)
172: autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1;
173:
174: argc -= optind;
175: argv += optind;
176:
177: if (argc) {
1.29 ! guenther 178: char *args[8], **argp = args;
1.1 deraadt 179:
180: if (argc > 2)
181: usage();
182: *argp++ = prompt;
183: if (user) {
184: *argp++ = "-l";
185: *argp++ = user;
1.3 niklas 186: }
187: if (alias) {
188: *argp++ = "-b";
189: *argp++ = alias;
1.1 deraadt 190: }
191: *argp++ = argv[0]; /* host */
192: if (argc > 1)
193: *argp++ = argv[1]; /* port */
1.28 jsg 194: *argp = NULL;
1.1 deraadt 195:
196: if (setjmp(toplevel) != 0)
197: Exit(0);
198: if (tn(argp - args, args) == 1)
199: return (0);
200: else
201: return (1);
202: }
203: (void)setjmp(toplevel);
204: for (;;) {
1.28 jsg 205: command(1, NULL, 0);
1.1 deraadt 206: }
1.7 art 207: return 0;
1.1 deraadt 208: }
![[BACK]](/icons/back.gif){kind=icon}
Return to main.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / telnet