xref: /freebsd/crypto/heimdal/appl/login/tty.c (revision 6a068746777241722b2b32c5d0bc443a2a64d80b)
1b528cefcSMark Murray /*
2*ae771770SStanislav Sedov  * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
3b528cefcSMark Murray  * (Royal Institute of Technology, Stockholm, Sweden).
4b528cefcSMark Murray  * All rights reserved.
5b528cefcSMark Murray  *
6b528cefcSMark Murray  * Redistribution and use in source and binary forms, with or without
7b528cefcSMark Murray  * modification, are permitted provided that the following conditions
8b528cefcSMark Murray  * are met:
9b528cefcSMark Murray  *
10b528cefcSMark Murray  * 1. Redistributions of source code must retain the above copyright
11b528cefcSMark Murray  *    notice, this list of conditions and the following disclaimer.
12b528cefcSMark Murray  *
13b528cefcSMark Murray  * 2. Redistributions in binary form must reproduce the above copyright
14b528cefcSMark Murray  *    notice, this list of conditions and the following disclaimer in the
15b528cefcSMark Murray  *    documentation and/or other materials provided with the distribution.
16b528cefcSMark Murray  *
17b528cefcSMark Murray  * 3. Neither the name of the Institute nor the names of its contributors
18b528cefcSMark Murray  *    may be used to endorse or promote products derived from this software
19b528cefcSMark Murray  *    without specific prior written permission.
20b528cefcSMark Murray  *
21b528cefcSMark Murray  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22b528cefcSMark Murray  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23b528cefcSMark Murray  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24b528cefcSMark Murray  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25b528cefcSMark Murray  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26b528cefcSMark Murray  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27b528cefcSMark Murray  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28b528cefcSMark Murray  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29b528cefcSMark Murray  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30b528cefcSMark Murray  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31b528cefcSMark Murray  * SUCH DAMAGE.
32b528cefcSMark Murray  */
33b528cefcSMark Murray 
34b528cefcSMark Murray #include "login_locl.h"
35b528cefcSMark Murray 
36*ae771770SStanislav Sedov RCSID("$Id$");
37b528cefcSMark Murray 
38b528cefcSMark Murray /*
39b528cefcSMark Murray  * Clean the tty name.  Return a pointer to the cleaned version.
40b528cefcSMark Murray  */
41b528cefcSMark Murray 
42b528cefcSMark Murray char *
clean_ttyname(char * tty)43b528cefcSMark Murray clean_ttyname (char *tty)
44b528cefcSMark Murray {
45b528cefcSMark Murray   char *res = tty;
46b528cefcSMark Murray 
47b528cefcSMark Murray   if (strncmp (res, _PATH_DEV, strlen(_PATH_DEV)) == 0)
48b528cefcSMark Murray     res += strlen(_PATH_DEV);
49b528cefcSMark Murray   if (strncmp (res, "pty/", 4) == 0)
50b528cefcSMark Murray     res += 4;
51b528cefcSMark Murray   if (strncmp (res, "ptym/", 5) == 0)
52b528cefcSMark Murray     res += 5;
53b528cefcSMark Murray   return res;
54b528cefcSMark Murray }
55b528cefcSMark Murray 
56b528cefcSMark Murray /*
57b528cefcSMark Murray  * Generate a name usable as an `ut_id', typically without `tty'.
58b528cefcSMark Murray  */
59b528cefcSMark Murray 
60b528cefcSMark Murray char *
make_id(char * tty)61b528cefcSMark Murray make_id (char *tty)
62b528cefcSMark Murray {
63b528cefcSMark Murray   char *res = tty;
64b528cefcSMark Murray 
65b528cefcSMark Murray   if (strncmp (res, "pts/", 4) == 0)
66b528cefcSMark Murray     res += 4;
67b528cefcSMark Murray   if (strncmp (res, "tty", 3) == 0)
68b528cefcSMark Murray     res += 3;
69b528cefcSMark Murray   return res;
70b528cefcSMark Murray }
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