1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 31 32 #include <limits.h> 33 #include <string.h> 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <unistd.h> 37 #include <fcntl.h> 38 #include <libinst.h> 39 40 char * 41 srcpath(char *dir, char *src, int part, int nparts) 42 { 43 static char tmppath[PATH_MAX]; 44 char *copy; 45 size_t copyLen; 46 47 copy = tmppath; 48 49 if (dir != NULL) { 50 size_t theLen = strlen(dir); 51 52 (void) strcpy(copy, dir); 53 copy += theLen; 54 copyLen = (sizeof (tmppath) - theLen); 55 } else { 56 copy[0] = '\0'; 57 copyLen = sizeof (tmppath); 58 } 59 60 if (nparts > 1) { 61 (void) snprintf(copy, copyLen, 62 ((src[0] == '/') ? "/root.%d%s" : "/reloc.%d/%s"), 63 part, src); 64 } else { 65 (void) snprintf(copy, copyLen, 66 ((src[0] == '/') ? "/root%s" : "/reloc/%s"), src); 67 } 68 69 return (tmppath); 70 } 71 72 /* 73 * During a partial install(Ex. Migration of a zone), if the'contchg' field of 74 * mstat structure is set i.e. there is a mismatch between the entry in pkgmap 75 * and package database and the file is of type 'f', the source path on the 76 * Global zone is to be generated(mostly for being copied again to the NGZ). 77 * Given the local source path(relocatable), this function builds the absolute 78 * source path. 79 * 80 * NOTE: This function is a private interface. Should only be called during a 81 * a partial install and for files of type 'f'. 82 * Source translation is done differently from 'e' and 'v' types. 83 */ 84 char * 85 trans_srcp_pi(char *local_path) 86 { 87 static char pi_srcPath[PATH_MAX]; 88 char *tmp_basedir, *tmp_inst_root; 89 int inst_root_len, basedir_len; 90 91 /* Get the basedir and it's length */ 92 tmp_basedir = get_basedir(); 93 basedir_len = strlen(tmp_basedir); 94 95 /* Get the install root and it's length */ 96 tmp_inst_root = get_inst_root(); 97 inst_root_len = strlen(tmp_inst_root); 98 99 /* 100 * Get past install root if something exists 101 * Example: 102 * INSTROOT = /a (on scratch zone) 103 * BASEDIR = /a/usr (on scratch zone) 104 * local_path = "~bin/ls" 105 * 106 * Absolute path for source on GZ: 107 * a) If BASEDIR == INSTROOT 108 * /<local_path string starting from index 1> 109 * In the above example, absolute path is 110 * /bin/ls 111 * 112 * b) If BASEDIR > INSTROOT 113 * /usr/<local_path string starting from index 1> 114 * In the above example, absolute path is 115 * /usr/bin/ls 116 */ 117 if ((strncmp(tmp_inst_root, tmp_basedir, inst_root_len) == 0) && 118 (inst_root_len == basedir_len)) { 119 /* 120 * Prefix root to the local path. NOTE that local_path[0] 121 * has a '~' character. Move past it. 122 * 123 * NOTE: local_path array size is expected to be >= 2. 124 */ 125 (void) snprintf(pi_srcPath, PATH_MAX, "/%s", 126 &(local_path[1])); 127 } else { 128 /* 129 * NOTE: local_path array size is expected to be >= 2. 130 */ 131 (void) snprintf(pi_srcPath, PATH_MAX, "%s/%s", 132 &(tmp_basedir[inst_root_len]), &(local_path[1])); 133 } 134 135 return (pi_srcPath); 136 } 137