xref: /titanic_41/usr/src/cmd/svr4pkg/libinst/srcpath.c (revision d676c6678e0d7d3d3a700014d359b227edba0042)
15c51f124SMoriah Waterland /*
25c51f124SMoriah Waterland  * CDDL HEADER START
35c51f124SMoriah Waterland  *
45c51f124SMoriah Waterland  * The contents of this file are subject to the terms of the
55c51f124SMoriah Waterland  * Common Development and Distribution License (the "License").
65c51f124SMoriah Waterland  * You may not use this file except in compliance with the License.
75c51f124SMoriah Waterland  *
85c51f124SMoriah Waterland  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
95c51f124SMoriah Waterland  * or http://www.opensolaris.org/os/licensing.
105c51f124SMoriah Waterland  * See the License for the specific language governing permissions
115c51f124SMoriah Waterland  * and limitations under the License.
125c51f124SMoriah Waterland  *
135c51f124SMoriah Waterland  * When distributing Covered Code, include this CDDL HEADER in each
145c51f124SMoriah Waterland  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
155c51f124SMoriah Waterland  * If applicable, add the following below this CDDL HEADER, with the
165c51f124SMoriah Waterland  * fields enclosed by brackets "[]" replaced with your own identifying
175c51f124SMoriah Waterland  * information: Portions Copyright [yyyy] [name of copyright owner]
185c51f124SMoriah Waterland  *
195c51f124SMoriah Waterland  * CDDL HEADER END
205c51f124SMoriah Waterland  */
215c51f124SMoriah Waterland 
225c51f124SMoriah Waterland /*
23*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
245c51f124SMoriah Waterland  * Use is subject to license terms.
255c51f124SMoriah Waterland  */
265c51f124SMoriah Waterland 
275c51f124SMoriah Waterland /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
285c51f124SMoriah Waterland /* All Rights Reserved */
295c51f124SMoriah Waterland 
305c51f124SMoriah Waterland 
315c51f124SMoriah Waterland 
325c51f124SMoriah Waterland #include <limits.h>
335c51f124SMoriah Waterland #include <string.h>
345c51f124SMoriah Waterland #include <stdio.h>
355c51f124SMoriah Waterland #include <stdlib.h>
365c51f124SMoriah Waterland #include <unistd.h>
375c51f124SMoriah Waterland #include <fcntl.h>
38*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India #include <libinst.h>
395c51f124SMoriah Waterland 
405c51f124SMoriah Waterland char *
srcpath(char * dir,char * src,int part,int nparts)415c51f124SMoriah Waterland srcpath(char *dir, char *src, int part, int nparts)
425c51f124SMoriah Waterland {
435c51f124SMoriah Waterland 	static char tmppath[PATH_MAX];
445c51f124SMoriah Waterland 	char	*copy;
455c51f124SMoriah Waterland 	size_t	copyLen;
465c51f124SMoriah Waterland 
475c51f124SMoriah Waterland 	copy = tmppath;
485c51f124SMoriah Waterland 
495c51f124SMoriah Waterland 	if (dir != NULL) {
505c51f124SMoriah Waterland 		size_t theLen = strlen(dir);
515c51f124SMoriah Waterland 
525c51f124SMoriah Waterland 		(void) strcpy(copy, dir);
535c51f124SMoriah Waterland 		copy += theLen;
545c51f124SMoriah Waterland 		copyLen = (sizeof (tmppath) - theLen);
555c51f124SMoriah Waterland 	} else {
565c51f124SMoriah Waterland 		copy[0] = '\0';
575c51f124SMoriah Waterland 		copyLen = sizeof (tmppath);
585c51f124SMoriah Waterland 	}
595c51f124SMoriah Waterland 
605c51f124SMoriah Waterland 	if (nparts > 1) {
615c51f124SMoriah Waterland 		(void) snprintf(copy, copyLen,
625c51f124SMoriah Waterland 			((src[0] == '/') ? "/root.%d%s" : "/reloc.%d/%s"),
635c51f124SMoriah Waterland 			part, src);
645c51f124SMoriah Waterland 	} else {
655c51f124SMoriah Waterland 		(void) snprintf(copy, copyLen,
665c51f124SMoriah Waterland 			((src[0] == '/') ? "/root%s" : "/reloc/%s"), src);
675c51f124SMoriah Waterland 	}
685c51f124SMoriah Waterland 
695c51f124SMoriah Waterland 	return (tmppath);
705c51f124SMoriah Waterland }
71*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 
72*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India /*
73*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India  * During a partial install(Ex. Migration of a zone), if the'contchg' field of
74*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India  * mstat structure is set i.e. there is a mismatch between the entry in pkgmap
75*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India  * and package database and the file is of type 'f', the source path on the
76*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India  * Global zone is to be generated(mostly for being copied again to the NGZ).
77*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India  * Given the local source path(relocatable), this function builds the absolute
78*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India  * source path.
79*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India  *
80*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India  * NOTE: This function is a private interface. Should only be called during a
81*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India  *	 a partial install and for files of type 'f'.
82*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India  *	 Source translation is done differently from 'e' and 'v' types.
83*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India  */
84*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India char *
trans_srcp_pi(char * local_path)85*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India trans_srcp_pi(char *local_path)
86*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India {
87*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	static char pi_srcPath[PATH_MAX];
88*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	char *tmp_basedir, *tmp_inst_root;
89*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	int inst_root_len, basedir_len;
90*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 
91*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	/* Get the basedir and it's length */
92*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	tmp_basedir = get_basedir();
93*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	basedir_len = strlen(tmp_basedir);
94*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 
95*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	/* Get the install root and it's length */
96*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	tmp_inst_root = get_inst_root();
97*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	inst_root_len = strlen(tmp_inst_root);
98*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 
99*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	/*
100*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 * Get past install root if something exists
101*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 * Example:
102*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 * INSTROOT = /a (on scratch zone)
103*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 * BASEDIR = /a/usr (on scratch zone)
104*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 * local_path = "~bin/ls"
105*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 *
106*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 * Absolute path for source on GZ:
107*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 * a) If BASEDIR == INSTROOT
108*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 *	/<local_path string starting from index 1>
109*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 * In the above example, absolute path is
110*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 * 	/bin/ls
111*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 *
112*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 * b) If BASEDIR > INSTROOT
113*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 *	/usr/<local_path string starting from index 1>
114*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 * In the above example, absolute path is
115*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 * 	/usr/bin/ls
116*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	 */
117*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	if ((strncmp(tmp_inst_root, tmp_basedir, inst_root_len) == 0) &&
118*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	    (inst_root_len == basedir_len)) {
119*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 		/*
120*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 		 * Prefix root to the local path. NOTE that local_path[0]
121*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 		 * has a '~' character. Move past it.
122*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 		 *
123*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 		 * NOTE: local_path array size is expected to be >= 2.
124*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 		 */
125*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 		(void) snprintf(pi_srcPath, PATH_MAX, "/%s",
126*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 		    &(local_path[1]));
127*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	} else {
128*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 		/*
129*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 		 * NOTE: local_path array size is expected to be >= 2.
130*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 		 */
131*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 		(void) snprintf(pi_srcPath, PATH_MAX, "%s/%s",
132*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 		    &(tmp_basedir[inst_root_len]), &(local_path[1]));
133*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	}
134*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 
135*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India 	return (pi_srcPath);
136*d676c667Sphaniram rampura krishnamurthy - Sun Microsystems - Bangalore India }
137