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 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #include <stdlib.h> 29 #include <sys/types.h> 30 #include <string.h> 31 #include "rtc.h" 32 #include "_conv.h" 33 #include "config_msg.h" 34 35 #define FEATSZ MSG_GBL_OSQBRKT_SIZE + \ 36 MSG_CONF_EDLIBPATH_SIZE + \ 37 MSG_CONF_ESLIBPATH_SIZE + \ 38 MSG_CONF_ADLIBPATH_SIZE + \ 39 MSG_CONF_ASLIBPATH_SIZE + \ 40 MSG_CONF_DIRCFG_SIZE + \ 41 MSG_CONF_OBJALT_SIZE + \ 42 MSG_CONF_MEMRESV_SIZE + \ 43 MSG_CONF_ENVS_SIZE + \ 44 MSG_CONF_FLTR_SIZE + \ 45 CONV_INV_STRSIZE + MSG_GBL_CSQBRKT_SIZE 46 47 /* 48 * String conversion routine for configuration file information. 49 */ 50 const char * 51 conv_config_feat(int features) 52 { 53 static char string[FEATSZ]; 54 static Val_desc vda[] = { 55 { CONF_EDLIBPATH, MSG_ORIG(MSG_CONF_EDLIBPATH) }, 56 { CONF_ESLIBPATH, MSG_ORIG(MSG_CONF_ESLIBPATH) }, 57 { CONF_ADLIBPATH, MSG_ORIG(MSG_CONF_ADLIBPATH) }, 58 { CONF_ASLIBPATH, MSG_ORIG(MSG_CONF_ASLIBPATH) }, 59 { CONF_DIRCFG, MSG_ORIG(MSG_CONF_DIRCFG) }, 60 { CONF_OBJALT, MSG_ORIG(MSG_CONF_OBJALT) }, 61 { CONF_MEMRESV, MSG_ORIG(MSG_CONF_MEMRESV) }, 62 { CONF_ENVS, MSG_ORIG(MSG_CONF_ENVS) }, 63 { CONF_FLTR, MSG_ORIG(MSG_CONF_FLTR) }, 64 { 0, 0 } 65 }; 66 67 (void) strlcpy(string, MSG_ORIG(MSG_GBL_OSQBRKT), FEATSZ); 68 if (conv_expn_field(string, FEATSZ, vda, features, 69 features, 0, 0)) 70 (void) strlcat(string, MSG_ORIG(MSG_GBL_CSQBRKT), FEATSZ); 71 72 return ((const char *)string); 73 } 74 75 #define FLAGSZ MSG_GBL_OSQBRKT_SIZE + \ 76 MSG_CONF_DIRENT_SIZE + \ 77 MSG_CONF_ALLENTS_SIZE + \ 78 MSG_CONF_NOEXIST_SIZE + \ 79 MSG_CONF_EXEC_SIZE + \ 80 MSG_CONF_ALTER_SIZE + \ 81 MSG_CONF_OPTIONAL_SIZE + \ 82 MSG_CONF_DUMP_SIZE + \ 83 MSG_CONF_REALPATH_SIZE + \ 84 MSG_CONF_NOALTER_SIZE + \ 85 MSG_CONF_GROUP_SIZE + \ 86 MSG_CONF_APP_SIZE + \ 87 MSG_CONF_CMDLINE_SIZE + \ 88 MSG_CONF_FILTER_SIZE + \ 89 MSG_CONF_FILTEE_SIZE + \ 90 CONV_INV_STRSIZE + MSG_GBL_CSQBRKT_SIZE 91 92 /* 93 * String conversion routine for object flags. 94 */ 95 const char * 96 conv_config_obj(ushort_t flags) 97 { 98 static char string[FLAGSZ]; 99 static Val_desc vda[] = { 100 { RTC_OBJ_DIRENT, MSG_ORIG(MSG_CONF_DIRENT) }, 101 { RTC_OBJ_ALLENTS, MSG_ORIG(MSG_CONF_ALLENTS) }, 102 { RTC_OBJ_NOEXIST, MSG_ORIG(MSG_CONF_NOEXIST) }, 103 { RTC_OBJ_EXEC, MSG_ORIG(MSG_CONF_EXEC) }, 104 { RTC_OBJ_ALTER, MSG_ORIG(MSG_CONF_ALTER) }, 105 { RTC_OBJ_DUMP, MSG_ORIG(MSG_CONF_DUMP) }, 106 { RTC_OBJ_NOALTER, MSG_ORIG(MSG_CONF_NOALTER) }, 107 { RTC_OBJ_REALPTH, MSG_ORIG(MSG_CONF_REALPATH) }, 108 { RTC_OBJ_GROUP, MSG_ORIG(MSG_CONF_GROUP) }, 109 { RTC_OBJ_APP, MSG_ORIG(MSG_CONF_APP) }, 110 { RTC_OBJ_CMDLINE, MSG_ORIG(MSG_CONF_CMDLINE) }, 111 { RTC_OBJ_FILTER, MSG_ORIG(MSG_CONF_FILTER) }, 112 { RTC_OBJ_FILTEE, MSG_ORIG(MSG_CONF_FILTEE) }, 113 { 0, 0 } 114 }; 115 ushort_t _flags = flags; 116 117 if ((flags == 0) || (flags == RTC_OBJ_OPTINAL)) 118 return (MSG_ORIG(MSG_GBL_NULL)); 119 120 (void) strlcpy(string, MSG_ORIG(MSG_GBL_OSQBRKT), FLAGSZ); 121 122 /* 123 * Print an alternative-optional object simply as optional. 124 */ 125 if ((flags & (RTC_OBJ_ALTER | RTC_OBJ_OPTINAL)) == 126 (RTC_OBJ_ALTER | RTC_OBJ_OPTINAL)) { 127 if (strlcat(string, MSG_ORIG(MSG_CONF_OPTIONAL), 128 FLAGSZ) >= FLAGSZ) 129 return (conv_invalid_val(string, FLAGSZ, flags, 0)); 130 flags = _flags &= ~(RTC_OBJ_ALTER | RTC_OBJ_OPTINAL); 131 } 132 flags = _flags &= ~RTC_OBJ_OPTINAL; 133 134 if (conv_expn_field(string, FLAGSZ, vda, flags, _flags, 0, 0)) 135 (void) strlcat(string, MSG_ORIG(MSG_GBL_CSQBRKT), FLAGSZ); 136 137 return ((const char *)string); 138 } 139 140 /* 141 * Determine whether and old pathname exists within a search path string, 142 * without a new pathname, i.e., does the search path string contain "/usr/lib" 143 * but not "/lib". If so, add the new pathname before the old pathname. For 144 * example, convert: 145 * 146 * /local/lib:/opt/sfw/lib:/usr/lib 147 * to: 148 * /local/lib:/opt/sfw/lib:/lib:/usr/lib 149 */ 150 const char * 151 conv_config_upm(const char *str, const char *old, const char *new, 152 size_t newlen) 153 { 154 const char *curstr, *ptr; 155 const char *curold = 0, *curnew = 0; 156 const char *ptrold = old, * ptrnew = new; 157 int chkold = 1, chknew = 1; 158 159 for (curstr = ptr = str; *ptr; ptr++) { 160 if (*ptr == ':') { 161 /* 162 * We've come to the end of a token within the string. 163 */ 164 if ((uintptr_t)ptr - (uintptr_t)curstr) { 165 /* 166 * If the old or new string checking is still 167 * enabled, we've found a match. 168 */ 169 if (chkold) 170 curold = curstr; 171 if (chknew) 172 curnew = curstr; 173 } 174 curstr = (char *)(ptr + 1); 175 176 /* 177 * If an old or new string hasn't yet been matched, 178 * re-enable the checking for either. 179 */ 180 if (curold == 0) { 181 ptrold = old; 182 chkold = 1; 183 } 184 if (curnew == 0) { 185 ptrnew = new; 186 chknew = 1; 187 } 188 continue; 189 } 190 191 /* 192 * Determine if the current token matches the old or new string. 193 * If not, disable the checking for each string. 194 */ 195 if (chkold && (*ptr != *ptrold++)) 196 chkold = 0; 197 if (chknew && (*ptr != *ptrnew++)) 198 chknew = 0; 199 } 200 201 /* 202 * We've come to the end of the string, if the old or new string 203 * checking is still enabled, we've found a match. 204 */ 205 if ((uintptr_t)ptr - (uintptr_t)curstr) { 206 if (chkold) 207 curold = curstr; 208 if (chknew) 209 curnew = curstr; 210 } 211 212 /* 213 * If an old string hasn't been found, or it has and a new string has 214 * been found, return the original string. 215 */ 216 if ((curold == 0) || curnew) 217 return (str); 218 else { 219 char *newstr; 220 size_t len; 221 222 /* 223 * Allocate a new string, enlarged to accommodate the new string 224 * that will be inserted, and an associated separator. 225 */ 226 if ((curstr = malloc(newlen + 2 + 227 (uintptr_t)ptr - (uintptr_t)str)) == 0) 228 return (str); 229 230 newstr = (char *)curstr; 231 for (len = (uintptr_t)curold - (uintptr_t)str; len; len--) 232 *(newstr++) = *(str++); /* copy up to */ 233 /* insertion point */ 234 for (len = newlen; len; len--) 235 *(newstr++) = *(new++); /* add new string and */ 236 *(newstr++) = ':'; /* separator */ 237 for (len = (uintptr_t)ptr - (uintptr_t)str; len; len--) 238 *(newstr++) = *(str++); /* add remaining */ 239 *(newstr++) = '\0'; /* string */ 240 241 return (curstr); 242 } 243 } 244