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33 * @(#)main.c 8.3 (Berkeley) 5/30/95
34 * $FreeBSD: src/crypto/telnet/telnet/main.c,v 1.4.2.5 2002/04/13 10:59:08 markm Exp $
37 #include <sys/types.h>
38 #include <sys/socket.h>
48 #include <libtelnet/auth.h>
51 #include <libtelnet/encrypt.h>
54 /* These values need to be the same as defined in libtelnet/kerberos5.c */
55 /* Either define them in both places, or put in some common header file. */
56 #define OPTS_FORWARD_CREDS 0x00000002
57 #define OPTS_FORWARDABLE_CREDS 0x00000001
63 #if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
64 char *ipsec_policy_in = NULL;
65 char *ipsec_policy_out = NULL;
68 int family = AF_UNSPEC;
71 * Initialize variables.
88 fprintf(stderr, "Usage: %s %s%s%s%s\n",
91 "[-4] [-6] [-8] [-E] [-K] [-L] [-N] [-S tos] [-X atype] [-c] [-d]",
92 "\n\t[-e char] [-k realm] [-l user] [-f/-F] [-n tracefile] ",
94 "[-4] [-6] [-8] [-E] [-L] [-N] [-S tos] [-c] [-d]",
95 "\n\t[-e char] [-l user] [-n tracefile] ",
97 "[-r] [-s src_addr] [-u] ",
98 #if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
102 "[-y] [host-name [port]]"
103 #else /* ENCRYPTION */
105 #endif /* ENCRYPTION */
111 * main. Parse arguments, invoke the protocol or command parser.
115 main(int argc, char *argv[])
119 char *src_addr = NULL;
121 extern int forward_flags;
124 tninit(); /* Clear out things */
128 if ((prompt = strrchr(argv[0], '/')))
135 rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE;
136 #ifdef AUTHENTICATION
147 #if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
148 #define IPSECOPT "P:"
152 while ((ch = getopt(argc, argv,
153 "468EKLNS:X:acde:fFk:l:n:rs:t:uxy" IPSECOPT)) != -1)
166 eight = 3; /* binary output and input */
169 rlogin = escape = _POSIX_VDISABLE;
172 #ifdef AUTHENTICATION
173 /* It's the default now, so ignore */
177 eight |= 2; /* binary output only */
187 if ((tos = parsetos(optarg, "tcp")) < 0)
188 fprintf(stderr, "%s%s%s%s\n",
189 prompt, ": Bad TOS argument '",
191 "; will try to use default TOS");
194 "%s: Warning: -S ignored, no parsetos() support.\n",
200 #ifdef AUTHENTICATION
201 auth_disable_name(optarg);
214 set_escape_char(optarg);
217 #ifdef AUTHENTICATION
218 #if defined(KRB5) && defined(FORWARD)
219 if (forward_flags & OPTS_FORWARD_CREDS) {
221 "%s: Only one of -f and -F allowed.\n",
225 forward_flags |= OPTS_FORWARD_CREDS;
228 "%s: Warning: -f ignored, no Kerberos V5 support.\n",
233 "%s: Warning: -f ignored, no Kerberos V5 support.\n",
238 #ifdef AUTHENTICATION
239 #if defined(KRB5) && defined(FORWARD)
240 if (forward_flags & OPTS_FORWARD_CREDS) {
242 "%s: Only one of -f and -F allowed.\n",
246 forward_flags |= OPTS_FORWARD_CREDS;
247 forward_flags |= OPTS_FORWARDABLE_CREDS;
250 "%s: Warning: -F ignored, no Kerberos V5 support.\n",
255 "%s: Warning: -F ignored, no Kerberos V5 support.\n",
260 #ifdef AUTHENTICATION
263 extern char *dest_realm, dst_realm_buf[], dst_realm_sz;
264 dest_realm = dst_realm_buf;
265 (void)strncpy(dest_realm, optarg, dst_realm_sz);
269 "%s: Warning: -k ignored, no Kerberos V4 support.\n",
274 "%s: Warning: -k ignored, no Kerberos V4 support.\n",
279 #ifdef AUTHENTICATION
280 /* This is the default now, so ignore it */
301 "%s: Warning: -x ignored, no ENCRYPT support.\n",
303 #endif /* ENCRYPTION */
311 "%s: Warning: -y ignored, no ENCRYPT support.\n",
313 #endif /* ENCRYPTION */
315 #if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
317 if (!strncmp("in", optarg, 2))
318 ipsec_policy_in = strdup(optarg);
319 else if (!strncmp("out", optarg, 3))
320 ipsec_policy_out = strdup(optarg);
332 autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1;
338 char *args[9], **argp = args;
344 *argp++ = strdup("-l");
348 *argp++ = strdup("-s");
351 *argp++ = argv[0]; /* host */
353 *argp++ = argv[1]; /* port */
356 if (setjmp(toplevel) != 0)
358 if (tn(argp - args, args) == 1)
363 (void)setjmp(toplevel);