xref: /onnv-gate/usr/src/ucbcmd/install.d/install.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1996 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate  * The Regents of the University of California
33*0Sstevel@tonic-gate  * All Rights Reserved
34*0Sstevel@tonic-gate  *
35*0Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate  * contributors.
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #include <sys/param.h>
43*0Sstevel@tonic-gate #include <sys/types.h>
44*0Sstevel@tonic-gate #include <sys/stat.h>
45*0Sstevel@tonic-gate #include <sys/file.h>
46*0Sstevel@tonic-gate #include <fcntl.h>
47*0Sstevel@tonic-gate #include <grp.h>
48*0Sstevel@tonic-gate #include <pwd.h>
49*0Sstevel@tonic-gate #include <stdio.h>
50*0Sstevel@tonic-gate #include <ctype.h>
51*0Sstevel@tonic-gate #include <errno.h>
52*0Sstevel@tonic-gate #include <locale.h>
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate #define	DEF_GROUP	"staff"		/* default group */
55*0Sstevel@tonic-gate #define	DEF_OWNER	"root"		/* default owner */
56*0Sstevel@tonic-gate #define	DEF_MODE	0755		/* default mode */
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate char *group = DEF_GROUP;
59*0Sstevel@tonic-gate char *owner = DEF_OWNER;
60*0Sstevel@tonic-gate int mode    = DEF_MODE;
61*0Sstevel@tonic-gate int sflag = 0;
62*0Sstevel@tonic-gate struct passwd *pp;
63*0Sstevel@tonic-gate struct group *gp;
64*0Sstevel@tonic-gate extern int errno;
65*0Sstevel@tonic-gate int copy();
66*0Sstevel@tonic-gate void usage();
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate main(argc, argv)
69*0Sstevel@tonic-gate 	int	argc;
70*0Sstevel@tonic-gate 	char	**argv;
71*0Sstevel@tonic-gate {
72*0Sstevel@tonic-gate 	extern char	*optarg;
73*0Sstevel@tonic-gate 	extern int	optind;
74*0Sstevel@tonic-gate 	struct stat	stb;
75*0Sstevel@tonic-gate 	char	*dirname;
76*0Sstevel@tonic-gate 	int	ch;
77*0Sstevel@tonic-gate 	int	i;
78*0Sstevel@tonic-gate 	int	rc;
79*0Sstevel@tonic-gate 	int	dflag = 0;
80*0Sstevel@tonic-gate 	int	gflag = 0;
81*0Sstevel@tonic-gate 	int	oflag = 0;
82*0Sstevel@tonic-gate 	int	mflag = 0;
83*0Sstevel@tonic-gate 
84*0Sstevel@tonic-gate 	(void) setlocale(LC_ALL, "");
85*0Sstevel@tonic-gate 
86*0Sstevel@tonic-gate #if !defined(TEXT_DOMAIN)
87*0Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST"
88*0Sstevel@tonic-gate #endif
89*0Sstevel@tonic-gate 	(void) textdomain(TEXT_DOMAIN);
90*0Sstevel@tonic-gate 
91*0Sstevel@tonic-gate 	while ((ch = getopt(argc, argv, "dcg:o:m:s")) != EOF)
92*0Sstevel@tonic-gate 		switch((char)ch) {
93*0Sstevel@tonic-gate 		case 'c':
94*0Sstevel@tonic-gate 			break;	/* always do "copy" */
95*0Sstevel@tonic-gate 		case 'd':
96*0Sstevel@tonic-gate 			dflag++;
97*0Sstevel@tonic-gate 			break;
98*0Sstevel@tonic-gate 		case 'g':
99*0Sstevel@tonic-gate 			gflag++;
100*0Sstevel@tonic-gate 			group = optarg;
101*0Sstevel@tonic-gate 			break;
102*0Sstevel@tonic-gate 		case 'm':
103*0Sstevel@tonic-gate 			mflag++;
104*0Sstevel@tonic-gate 			mode = atoo(optarg);
105*0Sstevel@tonic-gate 			break;
106*0Sstevel@tonic-gate 		case 'o':
107*0Sstevel@tonic-gate 			oflag++;
108*0Sstevel@tonic-gate 			owner = optarg;
109*0Sstevel@tonic-gate 			break;
110*0Sstevel@tonic-gate 		case 's':
111*0Sstevel@tonic-gate 			sflag++;
112*0Sstevel@tonic-gate 			break;
113*0Sstevel@tonic-gate 		case '?':
114*0Sstevel@tonic-gate 		default:
115*0Sstevel@tonic-gate 			usage();
116*0Sstevel@tonic-gate 		}
117*0Sstevel@tonic-gate 	argc -= optind;
118*0Sstevel@tonic-gate 	argv += optind;
119*0Sstevel@tonic-gate 
120*0Sstevel@tonic-gate 	/* get group and owner id's */
121*0Sstevel@tonic-gate 	if (!(gp = getgrnam(group))) {
122*0Sstevel@tonic-gate 		fprintf(stderr, gettext("install: unknown group %s.\n"), group);
123*0Sstevel@tonic-gate 		exit(1);
124*0Sstevel@tonic-gate 	}
125*0Sstevel@tonic-gate 	if (!(pp = getpwnam(owner))) {
126*0Sstevel@tonic-gate 		fprintf(stderr, gettext("install: unknown user %s.\n"), owner);
127*0Sstevel@tonic-gate 		exit(1);
128*0Sstevel@tonic-gate 	}
129*0Sstevel@tonic-gate 
130*0Sstevel@tonic-gate 	if (dflag) {		/* install a directory */
131*0Sstevel@tonic-gate 		int exists = 0;
132*0Sstevel@tonic-gate 
133*0Sstevel@tonic-gate 		if (argc != 1)
134*0Sstevel@tonic-gate 			usage();
135*0Sstevel@tonic-gate 		dirname = argv[0];
136*0Sstevel@tonic-gate 		if (mkdirp(dirname, 0777) < 0) {
137*0Sstevel@tonic-gate 			exists = errno == EEXIST;
138*0Sstevel@tonic-gate 			if (!exists) {
139*0Sstevel@tonic-gate 				fprintf(stderr, gettext("install: mkdir: %s: %s\n"), dirname, strerror(errno));
140*0Sstevel@tonic-gate 				exit(1);
141*0Sstevel@tonic-gate 			}
142*0Sstevel@tonic-gate 		}
143*0Sstevel@tonic-gate 		if (stat(dirname, &stb) < 0) {
144*0Sstevel@tonic-gate 			fprintf(stderr, gettext("install: stat: %s: %s\n"), dirname, strerror(errno));
145*0Sstevel@tonic-gate 			exit(1);
146*0Sstevel@tonic-gate 		}
147*0Sstevel@tonic-gate 		if ((stb.st_mode&S_IFMT) != S_IFDIR) {
148*0Sstevel@tonic-gate 			fprintf(stderr, gettext("install: %s is not a directory\n"), dirname);
149*0Sstevel@tonic-gate 		}
150*0Sstevel@tonic-gate 		/* make sure directory setgid bit is inherited */
151*0Sstevel@tonic-gate 		mode = (mode & ~S_ISGID) | (stb.st_mode & S_ISGID);
152*0Sstevel@tonic-gate 		if (mflag && chmod(dirname, mode)) {
153*0Sstevel@tonic-gate 			fprintf(stderr, gettext("install: chmod: %s: %s\n"), dirname, strerror(errno));
154*0Sstevel@tonic-gate 			if (!exists)
155*0Sstevel@tonic-gate 				(void) unlink(dirname);
156*0Sstevel@tonic-gate 			exit(1) ;
157*0Sstevel@tonic-gate 		}
158*0Sstevel@tonic-gate 		if (oflag && chown(dirname, pp->pw_uid, -1) && errno != EPERM) {
159*0Sstevel@tonic-gate 			fprintf(stderr, gettext("install: chown: %s: %s\n"), dirname, strerror(errno));
160*0Sstevel@tonic-gate 			if (!exists)
161*0Sstevel@tonic-gate 				(void) unlink(dirname);
162*0Sstevel@tonic-gate 			exit(1) ;
163*0Sstevel@tonic-gate 		}
164*0Sstevel@tonic-gate 		if (gflag && chown(dirname, -1, gp->gr_gid) && errno != EPERM) {
165*0Sstevel@tonic-gate 			fprintf(stderr, gettext("install: chgrp: %s: %s\n"), dirname, strerror(errno));
166*0Sstevel@tonic-gate 			if (!exists)
167*0Sstevel@tonic-gate 				(void) unlink(dirname);
168*0Sstevel@tonic-gate 			exit(1) ;
169*0Sstevel@tonic-gate 		}
170*0Sstevel@tonic-gate 		exit(0);
171*0Sstevel@tonic-gate 	}
172*0Sstevel@tonic-gate 
173*0Sstevel@tonic-gate 	if (argc < 2)
174*0Sstevel@tonic-gate 		usage();
175*0Sstevel@tonic-gate 
176*0Sstevel@tonic-gate         if (argc > 2) {		/* last arg must be a directory */
177*0Sstevel@tonic-gate                 if (stat(argv[argc-1], &stb) < 0)
178*0Sstevel@tonic-gate                         usage();
179*0Sstevel@tonic-gate                 if ((stb.st_mode&S_IFMT) != S_IFDIR)
180*0Sstevel@tonic-gate                         usage();
181*0Sstevel@tonic-gate         }
182*0Sstevel@tonic-gate         rc = 0;
183*0Sstevel@tonic-gate         for (i = 0; i < argc-1; i++)
184*0Sstevel@tonic-gate                 rc |= install(argv[i], argv[argc-1]);
185*0Sstevel@tonic-gate         exit(rc);
186*0Sstevel@tonic-gate 	/* NOTREACHED */
187*0Sstevel@tonic-gate }
188*0Sstevel@tonic-gate 
189*0Sstevel@tonic-gate int
190*0Sstevel@tonic-gate install(from, to)
191*0Sstevel@tonic-gate 	char *from, *to;
192*0Sstevel@tonic-gate {
193*0Sstevel@tonic-gate 	int to_fd;
194*0Sstevel@tonic-gate 	int devnull;
195*0Sstevel@tonic-gate 	int status = 0;
196*0Sstevel@tonic-gate 	char *path;
197*0Sstevel@tonic-gate 	struct stat from_sb, to_sb;
198*0Sstevel@tonic-gate 	static char pbuf[MAXPATHLEN];
199*0Sstevel@tonic-gate 	char buf[MAXPATHLEN + 10];
200*0Sstevel@tonic-gate 
201*0Sstevel@tonic-gate 	/* check source */
202*0Sstevel@tonic-gate 	if (stat(from, &from_sb)) {
203*0Sstevel@tonic-gate 		fprintf(stderr, gettext("install: %s: %s\n"), from, strerror(errno));
204*0Sstevel@tonic-gate 		return (1);
205*0Sstevel@tonic-gate 	}
206*0Sstevel@tonic-gate 	/* special case for removing files */
207*0Sstevel@tonic-gate 	devnull = !strcmp(from, "/dev/null");
208*0Sstevel@tonic-gate 	if (!devnull && !((from_sb.st_mode&S_IFMT) == S_IFREG)) {
209*0Sstevel@tonic-gate 		fprintf(stderr, gettext("install: %s isn't a regular file.\n"), from);
210*0Sstevel@tonic-gate 		return (1);
211*0Sstevel@tonic-gate 	}
212*0Sstevel@tonic-gate 
213*0Sstevel@tonic-gate 	/* build target path, find out if target is same as source */
214*0Sstevel@tonic-gate 	if (!stat(path = to, &to_sb)) {
215*0Sstevel@tonic-gate 		if ((to_sb.st_mode&S_IFMT) == S_IFDIR) {
216*0Sstevel@tonic-gate 			char *C, *strrchr();
217*0Sstevel@tonic-gate 
218*0Sstevel@tonic-gate 			(void) sprintf(path = pbuf, "%s/%s", to, (C = strrchr(from, '/')) ? ++C : from);
219*0Sstevel@tonic-gate 			if (stat(path, &to_sb))
220*0Sstevel@tonic-gate 				goto nocompare;
221*0Sstevel@tonic-gate 		}
222*0Sstevel@tonic-gate 		if ((to_sb.st_mode&S_IFMT) != S_IFREG) {
223*0Sstevel@tonic-gate 			fprintf(stderr, gettext("install: %s isn't a regular file.\n"), path);
224*0Sstevel@tonic-gate 			return (1);
225*0Sstevel@tonic-gate 		}
226*0Sstevel@tonic-gate 		if (to_sb.st_dev == from_sb.st_dev && to_sb.st_ino == from_sb.st_ino) {
227*0Sstevel@tonic-gate 			fprintf(stderr, gettext("install: %s and %s are the same file.\n"), from, path);
228*0Sstevel@tonic-gate 			return (1);
229*0Sstevel@tonic-gate 		}
230*0Sstevel@tonic-gate 		/* unlink now... avoid ETXTBSY errors later */
231*0Sstevel@tonic-gate 		(void) unlink(path);
232*0Sstevel@tonic-gate 	}
233*0Sstevel@tonic-gate 
234*0Sstevel@tonic-gate nocompare:
235*0Sstevel@tonic-gate 	/* open target, set mode, owner, group */
236*0Sstevel@tonic-gate 	if ((to_fd = open(path, O_CREAT|O_WRONLY|O_TRUNC, 0)) < 0) {
237*0Sstevel@tonic-gate 		fprintf(stderr, gettext("install: %s: %s\n"), path, strerror(errno));
238*0Sstevel@tonic-gate 		return (1);
239*0Sstevel@tonic-gate 	}
240*0Sstevel@tonic-gate 	if (fchmod(to_fd, mode)) {
241*0Sstevel@tonic-gate 		fprintf(stderr, gettext("install: chmod: %s: %s\n"), path, strerror(errno));
242*0Sstevel@tonic-gate 		status = 1;
243*0Sstevel@tonic-gate 		close(to_fd);
244*0Sstevel@tonic-gate 		goto inst_done;
245*0Sstevel@tonic-gate 	}
246*0Sstevel@tonic-gate 	if (!devnull) {
247*0Sstevel@tonic-gate 		status = copy(from, to_fd, path);  /* copy */
248*0Sstevel@tonic-gate 		close(to_fd);
249*0Sstevel@tonic-gate 	}
250*0Sstevel@tonic-gate 	if (sflag) {
251*0Sstevel@tonic-gate 		sprintf(buf, "strip %s", path);
252*0Sstevel@tonic-gate 		system(buf);
253*0Sstevel@tonic-gate 	}
254*0Sstevel@tonic-gate 	if (chown(path, pp->pw_uid, gp->gr_gid) && errno != EPERM) {
255*0Sstevel@tonic-gate 		fprintf(stderr, gettext("install: chown: %s: %s\n"), path, strerror(errno));
256*0Sstevel@tonic-gate 		status = 1;
257*0Sstevel@tonic-gate 	}
258*0Sstevel@tonic-gate 
259*0Sstevel@tonic-gate inst_done:
260*0Sstevel@tonic-gate 	if (status)
261*0Sstevel@tonic-gate 		(void) unlink(path);
262*0Sstevel@tonic-gate 	return (status);
263*0Sstevel@tonic-gate }
264*0Sstevel@tonic-gate 
265*0Sstevel@tonic-gate /*
266*0Sstevel@tonic-gate  * copy --
267*0Sstevel@tonic-gate  *	copy from one file to another
268*0Sstevel@tonic-gate  */
269*0Sstevel@tonic-gate int
270*0Sstevel@tonic-gate copy(from_name, to_fd, to_name)
271*0Sstevel@tonic-gate 	int to_fd;
272*0Sstevel@tonic-gate 	char *from_name, *to_name;
273*0Sstevel@tonic-gate {
274*0Sstevel@tonic-gate 	int n, from_fd;
275*0Sstevel@tonic-gate 	int status = 0;
276*0Sstevel@tonic-gate 	char buf[MAXBSIZE];
277*0Sstevel@tonic-gate 
278*0Sstevel@tonic-gate 	if ((from_fd = open(from_name, O_RDONLY, 0)) < 0) {
279*0Sstevel@tonic-gate 		fprintf(stderr, gettext("install: open: %s: %s\n"), from_name, strerror(errno));
280*0Sstevel@tonic-gate 		return (1);
281*0Sstevel@tonic-gate 	}
282*0Sstevel@tonic-gate 	while ((n = read(from_fd, buf, sizeof(buf))) > 0)
283*0Sstevel@tonic-gate 		if (write(to_fd, buf, n) != n) {
284*0Sstevel@tonic-gate 			fprintf(stderr, gettext("install: write: %s: %s\n"), to_name, strerror(errno));
285*0Sstevel@tonic-gate 		status = 1;
286*0Sstevel@tonic-gate 		goto copy_done;
287*0Sstevel@tonic-gate 		}
288*0Sstevel@tonic-gate 	if (n == -1) {
289*0Sstevel@tonic-gate 		fprintf(stderr, gettext("install: read: %s: %s\n"), from_name, strerror(errno));
290*0Sstevel@tonic-gate 		status = 1;
291*0Sstevel@tonic-gate 		goto copy_done;
292*0Sstevel@tonic-gate 	}
293*0Sstevel@tonic-gate 
294*0Sstevel@tonic-gate copy_done:
295*0Sstevel@tonic-gate 	(void) close(from_fd);
296*0Sstevel@tonic-gate 	return (status);
297*0Sstevel@tonic-gate }
298*0Sstevel@tonic-gate 
299*0Sstevel@tonic-gate /*
300*0Sstevel@tonic-gate  * atoo --
301*0Sstevel@tonic-gate  *      octal string to int
302*0Sstevel@tonic-gate  */
303*0Sstevel@tonic-gate int
304*0Sstevel@tonic-gate atoo(str)
305*0Sstevel@tonic-gate         register char   *str;
306*0Sstevel@tonic-gate {
307*0Sstevel@tonic-gate         register int    val;
308*0Sstevel@tonic-gate 
309*0Sstevel@tonic-gate         for (val = 0; isdigit(*str); ++str)
310*0Sstevel@tonic-gate                 val = val * 8 + *str - '0';
311*0Sstevel@tonic-gate         return(val);
312*0Sstevel@tonic-gate }
313*0Sstevel@tonic-gate 
314*0Sstevel@tonic-gate 
315*0Sstevel@tonic-gate /*
316*0Sstevel@tonic-gate  * usage --
317*0Sstevel@tonic-gate  *	print a usage message and die
318*0Sstevel@tonic-gate  */
319*0Sstevel@tonic-gate void
320*0Sstevel@tonic-gate usage()
321*0Sstevel@tonic-gate {
322*0Sstevel@tonic-gate 	fputs(gettext("usage: install [-cs] [-g group] [-m mode] [-o owner] file ...  destination\n"), stderr);
323*0Sstevel@tonic-gate 	fputs(gettext("       install  -d   [-g group] [-m mode] [-o owner] dir\n"), stderr);
324*0Sstevel@tonic-gate 	exit(1);
325*0Sstevel@tonic-gate }
326*0Sstevel@tonic-gate 
327*0Sstevel@tonic-gate /*
328*0Sstevel@tonic-gate  * mkdirp --
329*0Sstevel@tonic-gate  *	make a directory and parents if needed
330*0Sstevel@tonic-gate  */
331*0Sstevel@tonic-gate int
332*0Sstevel@tonic-gate mkdirp(dir, mode)
333*0Sstevel@tonic-gate 	char *dir;
334*0Sstevel@tonic-gate 	int mode;
335*0Sstevel@tonic-gate {
336*0Sstevel@tonic-gate 	int err;
337*0Sstevel@tonic-gate 	char *slash;
338*0Sstevel@tonic-gate 	char *strrchr();
339*0Sstevel@tonic-gate 	extern int errno;
340*0Sstevel@tonic-gate 
341*0Sstevel@tonic-gate 	if (mkdir(dir, mode) == 0)
342*0Sstevel@tonic-gate 		return (0);
343*0Sstevel@tonic-gate 	if (errno != ENOENT)
344*0Sstevel@tonic-gate 		return (-1);
345*0Sstevel@tonic-gate 	slash = strrchr(dir, '/');
346*0Sstevel@tonic-gate 	if (slash == NULL)
347*0Sstevel@tonic-gate 		return (-1);
348*0Sstevel@tonic-gate 	*slash = '\0';
349*0Sstevel@tonic-gate 	err = mkdirp(dir, 0777);
350*0Sstevel@tonic-gate 	*slash = '/';
351*0Sstevel@tonic-gate 	if (err)
352*0Sstevel@tonic-gate 		return (err);
353*0Sstevel@tonic-gate 	return mkdir(dir, mode);
354*0Sstevel@tonic-gate }
355