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 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * setlabel - sets a file label. 31 */ 32 33 #include <errno.h> 34 #include <fcntl.h> 35 #include <locale.h> 36 #include <pwd.h> 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <unistd.h> 40 #include <string.h> 41 #include <utmp.h> 42 43 #include <tsol/label.h> 44 45 static int set_label(char *, char *); 46 static int setlabel(char *, bslabel_t *); 47 static void usage(void); 48 static void m_label_err(const char *, const int); 49 50 static char *prog = NULL; 51 52 int 53 main(int argc, char **argv) 54 { 55 int rc = 0; 56 char *label; 57 58 (void) setlocale(LC_ALL, ""); 59 #if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */ 60 #define TEXT_DOMAIN "SYS_TEST" /* Use this only if it weren't */ 61 #endif 62 (void) textdomain(TEXT_DOMAIN); 63 64 if ((prog = strrchr(argv[0], '/')) == NULL) 65 prog = argv[0]; 66 else 67 prog++; 68 69 if (argc < 3) { 70 usage(); 71 return (2); 72 } 73 74 argv++; 75 argc--; 76 77 label = *argv; 78 argv++; 79 argc--; 80 while (argc-- > 0) { 81 if (set_label(*argv++, label) != 0) 82 rc = 1; 83 } 84 85 return (rc); 86 } 87 88 static int 89 set_label(char *filename, char *label) 90 { 91 int rval = 0; 92 int err; 93 m_label_t *blabel; 94 95 if ((blabel = m_label_alloc(MAC_LABEL)) == NULL) { 96 (void) fprintf(stderr, "setlabel: "); 97 perror(filename); 98 return (2); 99 } 100 rval = getlabel(filename, blabel); 101 if (rval) { 102 (void) fprintf(stderr, "setlabel: "); 103 perror(filename); 104 return (rval); 105 } 106 if (!bslvalid(blabel)) { 107 (void) fprintf(stderr, 108 gettext("%s: Current label is invalid\n"), 109 filename); 110 blabel = NULL; 111 } 112 if (str_to_label(label, &blabel, MAC_LABEL, L_DEFAULT, &err) == -1) { 113 m_label_err(label, err); 114 } 115 116 rval = setlabel(filename, blabel); 117 if (rval == 0) 118 m_label_free(blabel); 119 return (rval); 120 } 121 122 static int 123 setlabel(char *filename, bslabel_t *label) 124 { 125 int rval; 126 127 rval = setflabel(filename, label); 128 129 if (rval) { 130 (void) fprintf(stderr, "setlabel: "); 131 perror(filename); 132 } 133 return (rval); 134 } 135 136 static void 137 m_label_err(const char *ascii, const int err) 138 { 139 if (errno == EINVAL) { 140 switch (err) { 141 case M_BAD_STRING: 142 (void) fprintf(stderr, 143 gettext("setlabel: bad string %s\n"), ascii); 144 break; 145 case M_BAD_LABEL: 146 (void) fprintf(stderr, 147 gettext("setlabel: bad previous label\n")); 148 break; 149 default: 150 (void) fprintf(stderr, 151 gettext("setlabel: parsing error found in " 152 "\"%s\" at position %d\n"), ascii, err); 153 break; 154 } 155 } else { 156 perror("setlabel"); 157 } 158 exit(1); 159 } 160 /* 161 * usage() 162 * 163 * This routine is called whenever there is a usage type of error has 164 * occured. For example, when a invalid option has has been specified. 165 * 166 */ 167 static void 168 usage(void) 169 { 170 171 (void) fprintf(stderr, gettext("Usage: \n")); 172 (void) fprintf(stderr, gettext( 173 " %s newlabel filename [...] \n"), prog); 174 175 } 176