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29 * @(#)main.c 8.3 (Berkeley) 5/30/95
30 * $FreeBSD: src/crypto/telnet/telnet/main.c,v 1.4.2.5 2002/04/13 10:59:08 markm Exp $
33 #include <sys/types.h>
34 #include <sys/socket.h>
44 #include <libtelnet/auth.h>
47 #include <libtelnet/encrypt.h>
50 /* These values need to be the same as defined in libtelnet/kerberos5.c */
51 /* Either define them in both places, or put in some common header file. */
52 #define OPTS_FORWARD_CREDS 0x00000002
53 #define OPTS_FORWARDABLE_CREDS 0x00000001
59 #if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
60 char *ipsec_policy_in = NULL;
61 char *ipsec_policy_out = NULL;
64 int family = AF_UNSPEC;
67 * Initialize variables.
84 fprintf(stderr, "Usage: %s %s%s%s%s\n",
87 "[-4] [-6] [-8] [-E] [-K] [-L] [-N] [-S tos] [-X atype] [-c] [-d]",
88 "\n\t[-e char] [-k realm] [-l user] [-f/-F] [-n tracefile] ",
90 "[-4] [-6] [-8] [-E] [-L] [-N] [-S tos] [-c] [-d]",
91 "\n\t[-e char] [-l user] [-n tracefile] ",
93 "[-r] [-s src_addr] [-u] ",
94 #if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
98 "[-y] [host-name [port]]"
99 #else /* ENCRYPTION */
101 #endif /* ENCRYPTION */
107 * main. Parse arguments, invoke the protocol or command parser.
111 main(int argc, char *argv[])
115 char *src_addr = NULL;
117 extern int forward_flags;
120 tninit(); /* Clear out things */
124 if ((prompt = strrchr(argv[0], '/')))
131 rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE;
132 #ifdef AUTHENTICATION
143 #if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
144 #define IPSECOPT "P:"
148 while ((ch = getopt(argc, argv,
149 "468EKLNS:X:acde:fFk:l:n:rs:t:uxy" IPSECOPT)) != -1)
162 eight = 3; /* binary output and input */
165 rlogin = escape = _POSIX_VDISABLE;
168 #ifdef AUTHENTICATION
169 /* It's the default now, so ignore */
173 eight |= 2; /* binary output only */
183 if ((tos = parsetos(optarg, "tcp")) < 0)
184 fprintf(stderr, "%s%s%s%s\n",
185 prompt, ": Bad TOS argument '",
187 "; will try to use default TOS");
190 "%s: Warning: -S ignored, no parsetos() support.\n",
196 #ifdef AUTHENTICATION
197 auth_disable_name(optarg);
210 set_escape_char(optarg);
213 #ifdef AUTHENTICATION
214 #if defined(KRB5) && defined(FORWARD)
215 if (forward_flags & OPTS_FORWARD_CREDS) {
217 "%s: Only one of -f and -F allowed.\n",
221 forward_flags |= OPTS_FORWARD_CREDS;
224 "%s: Warning: -f ignored, no Kerberos V5 support.\n",
229 "%s: Warning: -f ignored, no Kerberos V5 support.\n",
234 #ifdef AUTHENTICATION
235 #if defined(KRB5) && defined(FORWARD)
236 if (forward_flags & OPTS_FORWARD_CREDS) {
238 "%s: Only one of -f and -F allowed.\n",
242 forward_flags |= OPTS_FORWARD_CREDS;
243 forward_flags |= OPTS_FORWARDABLE_CREDS;
246 "%s: Warning: -F ignored, no Kerberos V5 support.\n",
251 "%s: Warning: -F ignored, no Kerberos V5 support.\n",
256 #ifdef AUTHENTICATION
259 extern char *dest_realm, dst_realm_buf[], dst_realm_sz;
260 dest_realm = dst_realm_buf;
261 (void)strncpy(dest_realm, optarg, dst_realm_sz);
265 "%s: Warning: -k ignored, no Kerberos V4 support.\n",
270 "%s: Warning: -k ignored, no Kerberos V4 support.\n",
275 #ifdef AUTHENTICATION
276 /* This is the default now, so ignore it */
297 "%s: Warning: -x ignored, no ENCRYPT support.\n",
299 #endif /* ENCRYPTION */
307 "%s: Warning: -y ignored, no ENCRYPT support.\n",
309 #endif /* ENCRYPTION */
311 #if defined(IPSEC) && defined(IPSEC_POLICY_IPSEC)
313 if (!strncmp("in", optarg, 2))
314 ipsec_policy_in = strdup(optarg);
315 else if (!strncmp("out", optarg, 3))
316 ipsec_policy_out = strdup(optarg);
328 autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1;
334 char *args[9], **argp = args;
340 *argp++ = strdup("-l");
344 *argp++ = strdup("-s");
347 *argp++ = argv[0]; /* host */
349 *argp++ = argv[1]; /* port */
352 if (setjmp(toplevel) != 0)
354 if (tn(argp - args, args) == 1)
359 (void)setjmp(toplevel);