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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	sbin/ttyflags/ttyflags.c	Lines:	0	102	0.0 %
Date:	2017-11-07	Branches:	0	81	0.0 %


/*	$OpenBSD: ttyflags.c,v 1.13 2012/12/04 02:27:00 deraadt Exp $	*/
/*	$NetBSD: ttyflags.c,v 1.8 1996/04/09 05:20:30 cgd Exp $	*/

/*
 * Copyright (c) 1996 Theo de Raadt
 * Copyright (c) 1994 Christopher G. Demetriou
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Christopher G. Demetriou.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/types.h>
#include <sys/ioctl.h>

#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ttyent.h>
#include <unistd.h>

int all(int);
int ttys(char **, int);
int ttyflags(struct ttyent *, int);
void usage(void);

int nflag, vflag;

/*
 * Ttyflags sets the device-specific tty flags, based on the contents
 * of /etc/ttys.  It can either set all of the ttys' flags, or set
 * the flags of the ttys specified on the command line.
 */
int
main(int argc, char *argv[])
{
	int aflag, ch, rval, pflag = 0;

	aflag = nflag = vflag = 0;
	while ((ch = getopt(argc, argv, "panv")) != -1)
		switch (ch) {
		case 'a':
			aflag = 1;
			break;
		case 'n':		/* undocumented */
			nflag = 1;
			break;
		case 'p':
			pflag = 1;
			break;
		case 'v':
			vflag = 1;
			break;
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	if (aflag && argc != 0)
		usage();

	if (setttyent() == 0)
		err(1, "setttyent");

	if (aflag)
		rval = all(pflag);
	else
		rval = ttys(argv, pflag);

	if (endttyent() == 0)
		warn("endttyent");

	exit(rval);
}

/*
 * Change all /etc/ttys entries' flags.
 */
int
all(int print)
{
	struct ttyent *tep;
	int rval;

	rval = 0;
	for (tep = getttyent(); tep != NULL; tep = getttyent())
		if (ttyflags(tep, print))
			rval = 1;
	return (rval);
}

/*
 * Change the specified ttys' flags.
 */
int
ttys(char **ttylist, int print)
{
	struct ttyent *tep;
	int rval;

	rval = 0;
	for (; *ttylist != NULL; ttylist++) {
		tep = getttynam(*ttylist);
		if (tep == NULL) {
			warnx("couldn't find an entry in %s for \"%s\"",
			    _PATH_TTYS, *ttylist);
			rval = 1;
			continue;
		}

		if (ttyflags(tep, print))
			rval = 1;
	}
	return (rval);
}


/*
 * Actually do the work; find out what the new flags value should be,
 * open the device, and change the flags.
 */
int
ttyflags(struct ttyent *tep, int print)
{
	int fd, flags = 0, rval = 0, st, sep = 0;
	char path[PATH_MAX];
	char strflags[256];

	st = tep->ty_status;
	strflags[0] = '\0';

	/* Find the full device path name. */
	(void)snprintf(path, sizeof path, "%s%s", _PATH_DEV, tep->ty_name);

	if (print == 0) {
		/* Convert ttyent.h flags into ioctl flags. */
		if (st & TTY_LOCAL) {
			flags |= TIOCFLAG_CLOCAL;
			(void)strlcat(strflags, "local", sizeof strflags);
			sep++;
		}
		if (st & TTY_RTSCTS) {
			flags |= TIOCFLAG_CRTSCTS;
			if (sep++)
				(void)strlcat(strflags, "|", sizeof strflags);
			(void)strlcat(strflags, "rtscts", sizeof strflags);
		}
		if (st & TTY_SOFTCAR) {
			flags |= TIOCFLAG_SOFTCAR;
			if (sep++)
				(void)strlcat(strflags, "|", sizeof strflags);
			(void)strlcat(strflags, "softcar", sizeof strflags);
		}
		if (st & TTY_MDMBUF) {
			flags |= TIOCFLAG_MDMBUF;
			if (sep++)
				(void)strlcat(strflags, "|", sizeof strflags);
			(void)strlcat(strflags, "mdmbuf", sizeof strflags);
		}
		if (vflag)
			printf("%s setting flags to: %s\n", path, strflags);
	}

	if (nflag)
		return (0);

	/* Open the device NON-BLOCKING, set the flags, and close it. */
	if ((fd = open(path, O_RDONLY | O_NONBLOCK, 0)) == -1) {
		if (!(errno == ENXIO ||
		      (errno == ENOENT && (st & TTY_ON) == 0)))
			rval = 1;
		if (vflag)
			warn("open %s", path);
		return (rval);
	}
	if (print == 0) {
		if (ioctl(fd, TIOCSFLAGS, &flags) == -1)
			if (errno != ENOTTY || vflag) {
				warn("TIOCSFLAGS on %s", path);
				rval = (errno != ENOTTY);
			}
	} else {
		if (ioctl(fd, TIOCGFLAGS, &flags) == -1)
			if (errno != ENOTTY || vflag) {
				warn("TIOCGFLAGS on %s", path);
				rval = (errno != ENOTTY);
			}
		if (flags & TIOCFLAG_CLOCAL) {
			(void)strlcat(strflags, "local", sizeof strflags);
			sep++;
		}
		if (flags & TIOCFLAG_CRTSCTS) {
			if (sep++)
				(void)strlcat(strflags, "|", sizeof strflags);
			(void)strlcat(strflags, "rtscts", sizeof strflags);
		}
		if (flags & TIOCFLAG_SOFTCAR) {
			if (sep++)
				(void)strlcat(strflags, "|", sizeof strflags);
			(void)strlcat(strflags, "softcar", sizeof strflags);
		}
		if (flags & TIOCFLAG_MDMBUF) {
			if (sep++)
				(void)strlcat(strflags, "|", sizeof strflags);
			(void)strlcat(strflags, "mdmbuf", sizeof strflags);
		}
		printf("%s flags are: %s\n", path, strflags);
	}
	if (close(fd) == -1) {
		warn("close %s", path);
		return (1);
	}
	return (rval);
}

/*
 * Print usage information when a bogus set of arguments is given.
 */
void
usage(void)
{
	(void)fprintf(stderr, "usage: ttyflags [-pv] [-a | tty ...]\n");
	exit(1);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: ttyflags.c,v 1.13 2012/12/04 02:27:00 deraadt Exp $ */
2			/* $NetBSD: ttyflags.c,v 1.8 1996/04/09 05:20:30 cgd Exp $ */
3
4			/*
5			* Copyright (c) 1996 Theo de Raadt
6			* Copyright (c) 1994 Christopher G. Demetriou
7			* All rights reserved.
8			*
9			* Redistribution and use in source and binary forms, with or without
10			* modification, are permitted provided that the following conditions
11			* are met:
12			* 1. Redistributions of source code must retain the above copyright
13			* notice, this list of conditions and the following disclaimer.
14			* 2. Redistributions in binary form must reproduce the above copyright
15			* notice, this list of conditions and the following disclaimer in the
16			* documentation and/or other materials provided with the distribution.
17			* 3. All advertising materials mentioning features or use of this software
18			* must display the following acknowledgement:
19			* This product includes software developed by Christopher G. Demetriou.
20			* 4. The name of the author may not be used to endorse or promote products
21			* derived from this software without specific prior written permission
22			*
23			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24			* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25			* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26			* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27			* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29			* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30			* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31			* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32			* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33			*/
34
35			#include <sys/types.h>
36			#include <sys/ioctl.h>
37
38			#include <err.h>
39			#include <errno.h>
40			#include <fcntl.h>
41			#include <limits.h>
42			#include <paths.h>
43			#include <stdio.h>
44			#include <stdlib.h>
45			#include <string.h>
46			#include <ttyent.h>
47			#include <unistd.h>
48
49			int all(int);
50			int ttys(char **, int);
51			int ttyflags(struct ttyent *, int);
52			void usage(void);
53
54			int nflag, vflag;
55
56			/*
57			* Ttyflags sets the device-specific tty flags, based on the contents
58			* of /etc/ttys. It can either set all of the ttys' flags, or set
59			* the flags of the ttys specified on the command line.
60			*/
61			int
62			main(int argc, char *argv[])
63			{
64			int aflag, ch, rval, pflag = 0;
65
66			aflag = nflag = vflag = 0;
67			while ((ch = getopt(argc, argv, "panv")) != -1)
68			switch (ch) {
69			case 'a':
70			aflag = 1;
71			break;
72			case 'n': /* undocumented */
73			nflag = 1;
74			break;
75			case 'p':
76			pflag = 1;
77			break;
78			case 'v':
79			vflag = 1;
80			break;
81			case '?':
82			default:
83			usage();
84			}
85			argc -= optind;
86			argv += optind;
87
88			if (aflag && argc != 0)
89			usage();
90
91			if (setttyent() == 0)
92			err(1, "setttyent");
93
94			if (aflag)
95			rval = all(pflag);
96			else
97			rval = ttys(argv, pflag);
98
99			if (endttyent() == 0)
100			warn("endttyent");
101
102			exit(rval);
103			}
104
105			/*
106			* Change all /etc/ttys entries' flags.
107			*/
108			int
109			all(int print)
110			{
111			struct ttyent *tep;
112			int rval;
113
114			rval = 0;
115			for (tep = getttyent(); tep != NULL; tep = getttyent())
116			if (ttyflags(tep, print))
117			rval = 1;
118			return (rval);
119			}
120
121			/*
122			* Change the specified ttys' flags.
123			*/
124			int
125			ttys(char **ttylist, int print)
126			{
127			struct ttyent *tep;
128			int rval;
129
130			rval = 0;
131			for (; *ttylist != NULL; ttylist++) {
132			tep = getttynam(*ttylist);
133			if (tep == NULL) {
134			warnx("couldn't find an entry in %s for \"%s\"",
135			_PATH_TTYS, *ttylist);
136			rval = 1;
137			continue;
138			}
139
140			if (ttyflags(tep, print))
141			rval = 1;
142			}
143			return (rval);
144			}
145
146
147			/*
148			* Actually do the work; find out what the new flags value should be,
149			* open the device, and change the flags.
150			*/
151			int
152			ttyflags(struct ttyent *tep, int print)
153			{
154			int fd, flags = 0, rval = 0, st, sep = 0;
155			char path[PATH_MAX];
156			char strflags[256];
157
158			st = tep->ty_status;
159			strflags[0] = '\0';
160
161			/* Find the full device path name. */
162			(void)snprintf(path, sizeof path, "%s%s", _PATH_DEV, tep->ty_name);
163
164			if (print == 0) {
165			/* Convert ttyent.h flags into ioctl flags. */
166			if (st & TTY_LOCAL) {
167			flags \|= TIOCFLAG_CLOCAL;
168			(void)strlcat(strflags, "local", sizeof strflags);
169			sep++;
170			}
171			if (st & TTY_RTSCTS) {
172			flags \|= TIOCFLAG_CRTSCTS;
173			if (sep++)
174			(void)strlcat(strflags, "\|", sizeof strflags);
175			(void)strlcat(strflags, "rtscts", sizeof strflags);
176			}
177			if (st & TTY_SOFTCAR) {
178			flags \|= TIOCFLAG_SOFTCAR;
179			if (sep++)
180			(void)strlcat(strflags, "\|", sizeof strflags);
181			(void)strlcat(strflags, "softcar", sizeof strflags);
182			}
183			if (st & TTY_MDMBUF) {
184			flags \|= TIOCFLAG_MDMBUF;
185			if (sep++)
186			(void)strlcat(strflags, "\|", sizeof strflags);
187			(void)strlcat(strflags, "mdmbuf", sizeof strflags);
188			}
189			if (vflag)
190			printf("%s setting flags to: %s\n", path, strflags);
191			}
192
193			if (nflag)
194			return (0);
195
196			/* Open the device NON-BLOCKING, set the flags, and close it. */
197			if ((fd = open(path, O_RDONLY \| O_NONBLOCK, 0)) == -1) {
198			if (!(errno == ENXIO \|\|
199			(errno == ENOENT && (st & TTY_ON) == 0)))
200			rval = 1;
201			if (vflag)
202			warn("open %s", path);
203			return (rval);
204			}
205			if (print == 0) {
206			if (ioctl(fd, TIOCSFLAGS, &flags) == -1)
207			if (errno != ENOTTY \|\| vflag) {
208			warn("TIOCSFLAGS on %s", path);
209			rval = (errno != ENOTTY);
210			}
211			} else {
212			if (ioctl(fd, TIOCGFLAGS, &flags) == -1)
213			if (errno != ENOTTY \|\| vflag) {
214			warn("TIOCGFLAGS on %s", path);
215			rval = (errno != ENOTTY);
216			}
217			if (flags & TIOCFLAG_CLOCAL) {
218			(void)strlcat(strflags, "local", sizeof strflags);
219			sep++;
220			}
221			if (flags & TIOCFLAG_CRTSCTS) {
222			if (sep++)
223			(void)strlcat(strflags, "\|", sizeof strflags);
224			(void)strlcat(strflags, "rtscts", sizeof strflags);
225			}
226			if (flags & TIOCFLAG_SOFTCAR) {
227			if (sep++)
228			(void)strlcat(strflags, "\|", sizeof strflags);
229			(void)strlcat(strflags, "softcar", sizeof strflags);
230			}
231			if (flags & TIOCFLAG_MDMBUF) {
232			if (sep++)
233			(void)strlcat(strflags, "\|", sizeof strflags);
234			(void)strlcat(strflags, "mdmbuf", sizeof strflags);
235			}
236			printf("%s flags are: %s\n", path, strflags);
237			}
238			if (close(fd) == -1) {
239			warn("close %s", path);
240			return (1);
241			}
242			return (rval);
243			}
244
245			/*
246			* Print usage information when a bogus set of arguments is given.
247			*/
248			void
249			usage(void)
250			{
251			(void)fprintf(stderr, "usage: ttyflags [-pv] [-a \| tty ...]\n");
252			exit(1);
253			}