2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * @(#) Copyright (c) 1992, 1993 The Regents of the University of California. All rights reserved.
35 * @(#)remote.c 8.1 (Berkeley) 6/6/93
36 * $FreeBSD: src/usr.bin/tip/tip/remote.c,v 1.4 1999/08/28 01:06:35 peter Exp $
45 #include "pathnames.h"
48 * Attributes to be gleened from remote host description
51 static char **caps[] = {
52 &AT, &DV, &CM, &CU, &EL, &IE, &OE, &PN, &PR, &DI,
53 &ES, &EX, &FO, &RC, &RE, &PA, &LI, &LO
56 static char *capstrings[] = {
57 "at", "dv", "cm", "cu", "el", "ie", "oe", "pn", "pr",
58 "di", "es", "ex", "fo", "rc", "re", "pa", "li", "lo", 0
61 static char *db_array[3] = { _PATH_REMOTE, 0, 0 };
63 #define cgetflag(f) (cgetcap(bp, f, ':') != NULL)
65 static void getremcap(char *);
68 Expand the start tilde sequence at the start of the
69 specified path. Optionally, free space allocated to
70 path before reinitializing it.
73 expand_tilde (char **path, void (*free) (char *p))
76 char buffer [PATH_MAX];
78 if ((tailp = strchr (*path + 1, '/')) != NULL)
82 if (*(*path + 1) == '\0')
83 strcpy (buffer, getlogin ());
85 strcpy (buffer, *path + 1);
86 if ((pwd = getpwnam (buffer)) != NULL)
88 strcpy (buffer, pwd->pw_dir);
90 strcat (buffer, tailp);
93 *path = strdup (buffer);
102 getremcap(char *host)
109 rempath = getenv("REMOTE");
110 if (rempath != NULL) {
112 /* we have an entry */
114 else { /* we have a path */
115 db_array[1] = rempath;
116 db_array[2] = _PATH_REMOTE;
120 if ((stat = cgetent(&bp, db_array, host)) < 0) {
122 (host[0] == '/' && access(DV = host, R_OK | W_OK) == 0)) {
134 warnx("unknown host %s", host);
137 warnx("can't open host description file");
140 warnx("possible reference loop in host description file");
146 for (p = capstrings, q = caps; *p != NULL; p++, q++)
149 if (!BR && (cgetnum(bp, "br", &BR) == -1))
151 if (cgetnum(bp, "fs", &FS) == -1)
158 fprintf(stderr, "%s: missing device spec\n", host);
161 if (DU && CU == NULL)
163 if (DU && PN == NULL) {
164 fprintf(stderr, "%s: missing phone number\n", host);
171 * This effectively eliminates the "hw" attribute
172 * from the description file
175 HW = (CU == NULL) || (DU && equal(DV, CU));
179 If login script, verify access
183 (void) expand_tilde (&LI, NULL);
184 if (access (LI, F_OK | X_OK) != 0) {
185 printf("tip (warning): can't open login script \"%s\"\n", LI);
191 If logout script, verify access
195 (void) expand_tilde (&LO, NULL);
196 if (access (LO, F_OK | X_OK) != 0) {
197 printf("tip (warning): can't open logout script \"%s\"\n", LO);
203 * see if uppercase mode should be turned on initially
206 boolean(value(RAISE)) = 1;
208 boolean(value(ECHOCHECK)) = 1;
210 boolean(value(BEAUTIFY)) = 1;
212 boolean(value(BEAUTIFY)) = 0;
214 boolean(value(SCRIPT)) = 1;
216 boolean(value(TABEXPAND)) = 1;
218 boolean(value(VERBOSE)) = 1;
220 boolean(value(VERBOSE)) = 0;
222 boolean(value(TAND)) = 1;
224 boolean(value(TAND)) = 0;
226 boolean(value(RAWFTP)) = 1;
228 boolean(value(HALFDUPLEX)) = 1;
230 RE = (char *)"tip.record";
232 EX = (char *)"\t\n\b\f";
241 if (cgetnum(bp, "dl", &DL) == -1)
243 if (cgetnum(bp, "cl", &CL) == -1)
245 if (cgetnum(bp, "et", &ET) == -1)
250 getremote(char *host)
254 static int lookedup = 0;
257 if (host == NULL && (host = getenv("HOST")) == NULL)
258 errx(3, "no host specified");
264 * We return a new device each time we're called (to allow
265 * a rotary action to be simulated)
269 if ((cp = index(next, ',')) == NULL) {