src/util/dirpath.c

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #include <afsconfig.h>
  11 #include <afs/param.h>
  12
  13 #include <roken.h>
  14 #include <afs/opr.h>
  15
  16 #include <stddef.h>
  17 #include <ctype.h>
  18 #include <limits.h>
  19
  20 #include "afsutil.h"
  21 #include "fileutil.h"
  22
  23 #include <afs/opr.h>
  24
  25 #ifdef AFS_PTHREAD_ENV
  26 #include <pthread.h>
  27 static pthread_once_t dirInit_once = PTHREAD_ONCE_INIT;
  28 #endif
  29
  30 #ifdef AFS_NT40_ENV
  31 #include <WINNT\afssw.h>
  32 #endif
  33
  34 /* local vars */
  35 /* static storage for path strings */
  36 static char dirPathArray[AFSDIR_PATHSTRING_MAX][AFSDIR_PATH_MAX];
  37
  38 /* indicate if and how the dirpath module initialized. */
  39 static int initFlag = 0;
  40 static unsigned int initStatus = 0;
  41
  42
  43 /* storage for dynamically-determined install dir (NT only; long and short) */
  44 #ifdef AFS_NT40_ENV
  45 static char ntServerInstallDirLong[AFSDIR_PATH_MAX];
  46 static char ntServerInstallDirShort[AFSDIR_PATH_MAX];
  47 static char ntClientConfigDirLong[AFSDIR_PATH_MAX];
  48 static char ntClientConfigDirShort[AFSDIR_PATH_MAX];
  49 #endif
  50
  51 /* storage for local afs server/client paths (top-level) */
  52 static char afsSrvDirPath[AFSDIR_PATH_MAX];
  53 static char afsClntDirPath[AFSDIR_PATH_MAX];
  54
  55 /* internal array init function */
  56 static void initDirPathArray(void);
  57
  58 /* Additional macros for ease of use */
  59 /* buf is expected to be atleast AFS_PATH_MAX bytes long */
  60 #define AFSDIR_SERVER_DIRPATH(buf, dir)  \
  61             (void) strcompose(buf, AFSDIR_PATH_MAX, serverPrefix, dir, (char *)NULL)
  62
  63 #define AFSDIR_SERVER_FILEPATH(buf, dir, file)  \
  64             (void) strcompose(buf, AFSDIR_PATH_MAX, serverPrefix, dir, "/", file,  (char *)NULL)
  65
  66 #define AFSDIR_CLIENT_DIRPATH(buf, dir)  \
  67             (void) strcompose(buf, AFSDIR_PATH_MAX, clientPrefix, dir, (char *)NULL)
  68
  69 #define AFSDIR_CLIENT_FILEPATH(buf, dir, file)  \
  70             (void) strcompose(buf, AFSDIR_PATH_MAX,  clientPrefix, dir, "/", file,  (char *)NULL)
  71
  72
  73 /* initAFSDirPath() -- External users call this function to initialize
  74  * the dirpath module and/or to determine the initialization status.
  75  */
  76 unsigned int
  77 initAFSDirPath(void)
  78 {
  79     if (initFlag == 0) {        /* not yet init'ed, so initialize */
  80 #ifdef AFS_PTHREAD_ENV
  81         pthread_once(&dirInit_once, initDirPathArray);
  82 #else
  83         initDirPathArray();
  84 #endif
  85     }
  86     return initStatus;
  87 }
  88
  89
  90 /* initDirPathArray() -- Initializes the afs dir paths for the
  91  *     server and client installations.
  92  *
  93  *     For NT these are determined dynamically; for Unix they are static.
  94  *
  95  *     NT NOTE: If a particular component (client/server) is not installed
  96  *              then we may not be able to initialize the paths to anything
  97  *              meaningful.  In this case the paths are set to the local
  98  *              temp directory to avoid later reference to an uninitialized
  99  *              variable.  The initStatus flag is set to indicate which
 100  *              paths (client/server) initialized properly for callers of
 101  *              initAFSDirPath() who would like to know this information.
 102  */
 103 static void
 104 initDirPathArray(void)
 105 {
 106     char *pathp, *clntEtcDir;
 107     const char *clientPrefix = "";
 108     const char *serverPrefix = "";
 109
 110 #ifdef AFS_NT40_ENV
 111     char *buf;
 112     int status;
 113
 114     /* get the afs server software installation dir from the registry */
 115     if (afssw_GetServerInstallDir(&buf)) {
 116         /* failed; server not installed; use temp directory */
 117         strcpy(ntServerInstallDirLong, gettmpdir());
 118     } else {
 119         strcpy(ntServerInstallDirLong, buf);
 120         free(buf);
 121         initStatus |= AFSDIR_SERVER_PATHS_OK;
 122     }
 123     FilepathNormalize(ntServerInstallDirLong);
 124     status =
 125         GetShortPathName(ntServerInstallDirLong, ntServerInstallDirShort,
 126                          AFSDIR_PATH_MAX);
 127     if (status == 0 || status > AFSDIR_PATH_MAX) {
 128         /* can't convert path to short version; just use long version */
 129         strcpy(ntServerInstallDirShort, ntServerInstallDirLong);
 130     }
 131     FilepathNormalize(ntServerInstallDirShort);
 132
 133     /* get the afs client configuration directory (/usr/vice/etc equivalent) */
 134     if (afssw_GetClientCellServDBDir(&buf)) {
 135         /* failed */
 136         status = GetWindowsDirectory(ntClientConfigDirLong, AFSDIR_PATH_MAX);
 137         if (status == 0 || status > AFSDIR_PATH_MAX) {
 138             /* failed to get canonical Windows directory; use temp directory */
 139             strcpy(ntClientConfigDirLong, gettmpdir());
 140         } else {
 141             initStatus |= AFSDIR_CLIENT_PATHS_OK;
 142         }
 143     } else {
 144         strcpy(ntClientConfigDirLong, buf);
 145         free(buf);
 146         initStatus |= AFSDIR_CLIENT_PATHS_OK;
 147     }
 148     FilepathNormalize(ntClientConfigDirLong);
 149
 150     status =
 151         GetShortPathName(ntClientConfigDirLong, ntClientConfigDirShort,
 152                          AFSDIR_PATH_MAX);
 153     if (status == 0 || status > AFSDIR_PATH_MAX) {
 154         /* can't convert path to short version; just use long version */
 155         strcpy(ntClientConfigDirShort, ntClientConfigDirLong);
 156     }
 157     FilepathNormalize(ntClientConfigDirShort);
 158     clientPrefix = ntClientConfigDirShort;
 159
 160     /* setup the root server directory path (/usr/afs equivalent) */
 161     strcpy(afsSrvDirPath, ntServerInstallDirShort);
 162     strcat(afsSrvDirPath, AFSDIR_CANONICAL_SERVER_AFS_DIRPATH);
 163
 164     /* there is no root client directory path (/usr/vice equivalent) */
 165     afsClntDirPath[0] = '\0';
 166
 167     /* setup top level dirpath (/usr equivalent); valid for server ONLY */
 168     strcpy(dirPathArray[AFSDIR_USR_DIRPATH_ID], ntServerInstallDirShort);
 169     serverPrefix = ntServerInstallDirShort;
 170     strcat(dirPathArray[AFSDIR_USR_DIRPATH_ID], AFSDIR_CANONICAL_USR_DIRPATH);
 171
 172 #else /* AFS_NT40_ENV */
 173     /* setup the root server directory path */
 174     strcpy(afsSrvDirPath, AFSDIR_CANONICAL_SERVER_AFS_DIRPATH);
 175
 176     /* setup the root client directory path */
 177 #ifdef AFS_DARWIN_ENV
 178     if (access(AFSDIR_ALTERNATE_CLIENT_VICE_DIRPATH, F_OK) == 0)
 179         strcpy(afsClntDirPath, AFSDIR_ALTERNATE_CLIENT_VICE_DIRPATH);
 180     else
 181 #endif
 182         strcpy(afsClntDirPath, AFSDIR_CANONICAL_CLIENT_VICE_DIRPATH);
 183
 184     /* setup top level dirpath; valid for both server and client */
 185     strcpy(dirPathArray[AFSDIR_USR_DIRPATH_ID], AFSDIR_CANONICAL_USR_DIRPATH);
 186
 187     initStatus |= (AFSDIR_CLIENT_PATHS_OK | AFSDIR_SERVER_PATHS_OK);
 188 #endif /* AFS_NT40_ENV */
 189
 190     /* now initialize various dir and file paths exported by dirpath module */
 191
 192     /* server dir paths */
 193     strcpy(dirPathArray[AFSDIR_SERVER_AFS_DIRPATH_ID], afsSrvDirPath);
 194
 195     pathp = dirPathArray[AFSDIR_SERVER_ETC_DIRPATH_ID];
 196     AFSDIR_SERVER_DIRPATH(pathp, AFSDIR_SERVER_ETC_DIR);
 197
 198     pathp = dirPathArray[AFSDIR_SERVER_BIN_DIRPATH_ID];
 199     AFSDIR_SERVER_DIRPATH(pathp, AFSDIR_SERVER_BIN_DIR);
 200
 201     pathp = dirPathArray[AFSDIR_SERVER_CORES_DIRPATH_ID];
 202     AFSDIR_SERVER_DIRPATH(pathp, AFSDIR_CORES_DIR);
 203
 204     pathp = dirPathArray[AFSDIR_SERVER_DB_DIRPATH_ID];
 205     AFSDIR_SERVER_DIRPATH(pathp, AFSDIR_DB_DIR);
 206
 207     pathp = dirPathArray[AFSDIR_SERVER_LOGS_DIRPATH_ID];
 208     AFSDIR_SERVER_DIRPATH(pathp, AFSDIR_LOGS_DIR);
 209
 210     pathp = dirPathArray[AFSDIR_SERVER_LOCAL_DIRPATH_ID];
 211     AFSDIR_SERVER_DIRPATH(pathp, AFSDIR_LOCAL_DIR);
 212
 213     pathp = dirPathArray[AFSDIR_SERVER_BACKUP_DIRPATH_ID];
 214     AFSDIR_SERVER_DIRPATH(pathp, AFSDIR_BACKUP_DIR);
 215
 216     pathp = dirPathArray[AFSDIR_SERVER_MIGRATE_DIRPATH_ID];
 217     AFSDIR_SERVER_DIRPATH(pathp, AFSDIR_MIGR_DIR);
 218
 219     pathp = dirPathArray[AFSDIR_SERVER_BIN_FILE_DIRPATH_ID];
 220     AFSDIR_SERVER_DIRPATH(pathp, AFSDIR_BIN_FILE_DIR);
 221
 222     /* client dir path */
 223 #ifdef AFS_NT40_ENV
 224     strcpy(dirPathArray[AFSDIR_CLIENT_VICE_DIRPATH_ID],
 225            "/NoUsrViceDirectoryOnWindows");
 226     strcpy(dirPathArray[AFSDIR_CLIENT_ETC_DIRPATH_ID],
 227            ntClientConfigDirShort);
 228
 229     clntEtcDir = pathp = dirPathArray[AFSDIR_CLIENT_ETC_DIRPATH_ID];
 230 #else
 231     strcpy(dirPathArray[AFSDIR_CLIENT_VICE_DIRPATH_ID], afsClntDirPath);
 232
 233     clntEtcDir = pathp = dirPathArray[AFSDIR_CLIENT_ETC_DIRPATH_ID];
 234 #ifdef AFS_DARWIN_ENV
 235     if (access(AFSDIR_ALTERNATE_CLIENT_ETC_DIR, F_OK) == 0)
 236         AFSDIR_CLIENT_DIRPATH(pathp, AFSDIR_ALTERNATE_CLIENT_ETC_DIR);
 237     else
 238 #endif
 239         AFSDIR_CLIENT_DIRPATH(pathp, AFSDIR_CLIENT_ETC_DIR);
 240 #endif /* AFS_NT40_ENV */
 241
 242 #ifndef AFS_NT40_ENV
 243     pathp = dirPathArray[AFSDIR_CLIENT_DATA_DIRPATH_ID];
 244 #ifdef AFS_DARWIN_ENV
 245     if (access(AFSDIR_ALTERNATE_CLIENT_DATA_DIR, F_OK) == 0)
 246         AFSDIR_CLIENT_DIRPATH(pathp, AFSDIR_ALTERNATE_CLIENT_DATA_DIR);
 247     else
 248 #endif
 249         AFSDIR_CLIENT_DIRPATH(pathp, AFSDIR_DATA_DIR);
 250 #endif
 251
 252     /* server file paths */
 253     pathp = dirPathArray[AFSDIR_SERVER_THISCELL_FILEPATH_ID];
 254     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_SERVER_ETC_DIR,
 255                            AFSDIR_THISCELL_FILE);
 256
 257     pathp = dirPathArray[AFSDIR_SERVER_CELLSERVDB_FILEPATH_ID];
 258     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_SERVER_ETC_DIR,
 259                            AFSDIR_CELLSERVDB_FILE);
 260
 261     pathp = dirPathArray[AFSDIR_SERVER_NOAUTH_FILEPATH_ID];
 262     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOCAL_DIR, AFSDIR_NOAUTH_FILE);
 263
 264     pathp = dirPathArray[AFSDIR_SERVER_BUDBLOG_FILEPATH_ID];
 265     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOGS_DIR, AFSDIR_BUDBLOG_FILE);
 266
 267     pathp = dirPathArray[AFSDIR_SERVER_TAPECONFIG_FILEPATH_ID];
 268     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_BACKUP_DIR, AFSDIR_TAPECONFIG_FILE);
 269
 270     pathp = dirPathArray[AFSDIR_SERVER_KALOGDB_FILEPATH_ID];
 271     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOGS_DIR, AFSDIR_KALOGDB_FILE);
 272
 273     pathp = dirPathArray[AFSDIR_SERVER_KALOG_FILEPATH_ID];
 274     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOGS_DIR, AFSDIR_KALOG_FILE);
 275
 276     pathp = dirPathArray[AFSDIR_SERVER_KADB_FILEPATH_ID];
 277     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_DB_DIR, AFSDIR_KADB_FILE);
 278
 279     pathp = dirPathArray[AFSDIR_SERVER_NTPD_FILEPATH_ID];
 280     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_SERVER_BIN_DIR, AFSDIR_NTPD_FILE);
 281
 282     pathp = dirPathArray[AFSDIR_SERVER_PRDB_FILEPATH_ID];
 283     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_DB_DIR, AFSDIR_PRDB_FILE);
 284
 285     pathp = dirPathArray[AFSDIR_SERVER_PTLOG_FILEPATH_ID];
 286     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOGS_DIR, AFSDIR_PTLOG_FILE);
 287
 288     pathp = dirPathArray[AFSDIR_SERVER_KCONF_FILEPATH_ID];
 289     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_SERVER_ETC_DIR, AFSDIR_KCONF_FILE);
 290
 291     pathp = dirPathArray[AFSDIR_SERVER_VLDB_FILEPATH_ID];
 292     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_DB_DIR, AFSDIR_VLDB_FILE);
 293
 294     pathp = dirPathArray[AFSDIR_SERVER_VLOG_FILEPATH_ID];
 295     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOGS_DIR, AFSDIR_VLOG_FILE);
 296
 297     pathp = dirPathArray[AFSDIR_SERVER_CORELOG_FILEPATH_ID];
 298     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOGS_DIR, AFSDIR_CORE_FILE);
 299
 300     pathp = dirPathArray[AFSDIR_SERVER_SLVGLOG_FILEPATH_ID];
 301     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOGS_DIR, AFSDIR_SLVGLOG_FILE);
 302
 303     pathp = dirPathArray[AFSDIR_SERVER_SALSRVLOG_FILEPATH_ID];
 304     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOGS_DIR, AFSDIR_SALSRVLOG_FILE);
 305
 306     pathp = dirPathArray[AFSDIR_SERVER_SALVAGER_FILEPATH_ID];
 307     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_SERVER_BIN_DIR,
 308                            AFSDIR_SALVAGER_FILE);
 309
 310     pathp = dirPathArray[AFSDIR_SERVER_SALSRV_FILEPATH_ID];
 311     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_SERVER_BIN_DIR,
 312                            AFSDIR_SALSRV_FILE);
 313
 314     pathp = dirPathArray[AFSDIR_SERVER_SLVGLOCK_FILEPATH_ID];
 315     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOCAL_DIR, AFSDIR_SLVGLOCK_FILE);
 316
 317     pathp = dirPathArray[AFSDIR_SERVER_KEY_FILEPATH_ID];
 318     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_SERVER_ETC_DIR, AFSDIR_KEY_FILE);
 319
 320     pathp = dirPathArray[AFSDIR_SERVER_ULIST_FILEPATH_ID];
 321     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_SERVER_ETC_DIR, AFSDIR_ULIST_FILE);
 322
 323     pathp = dirPathArray[AFSDIR_SERVER_BOZCONF_FILEPATH_ID];
 324     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_BOSCONFIG_DIR, AFSDIR_BOZCONF_FILE);
 325
 326     pathp = dirPathArray[AFSDIR_SERVER_BOZCONFNEW_FILEPATH_ID];
 327     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_BOSCONFIG_DIR,
 328                            AFSDIR_BOZCONFNEW_FILE);
 329
 330     pathp = dirPathArray[AFSDIR_SERVER_BOZLOG_FILEPATH_ID];
 331     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOGS_DIR, AFSDIR_BOZLOG_FILE);
 332
 333     pathp = dirPathArray[AFSDIR_SERVER_BOZINIT_FILEPATH_ID];
 334     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_BOSCONFIG_DIR, AFSDIR_BOZINIT_FILE);
 335
 336     pathp = dirPathArray[AFSDIR_SERVER_BOZRXBIND_FILEPATH_ID];
 337     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_BOSCONFIG_DIR, AFSDIR_BOZRXBIND_FILE);
 338
 339     pathp = dirPathArray[AFSDIR_SERVER_BOSVR_FILEPATH_ID];
 340     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_BOSSERVER_DIR, AFSDIR_BOSVR_FILE);
 341
 342     pathp = dirPathArray[AFSDIR_SERVER_VOLSERLOG_FILEPATH_ID];
 343     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOGS_DIR, AFSDIR_VOLSERLOG_FILE);
 344
 345     pathp = dirPathArray[AFSDIR_SERVER_ROOTVOL_FILEPATH_ID];
 346     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_SERVER_ETC_DIR, AFSDIR_ROOTVOL_FILE);
 347
 348     pathp = dirPathArray[AFSDIR_SERVER_HOSTDUMP_FILEPATH_ID];
 349     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOCAL_DIR, AFSDIR_HOSTDUMP_FILE);
 350
 351     pathp = dirPathArray[AFSDIR_SERVER_CLNTDUMP_FILEPATH_ID];
 352     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOCAL_DIR, AFSDIR_CLNTDUMP_FILE);
 353
 354     pathp = dirPathArray[AFSDIR_SERVER_CBKDUMP_FILEPATH_ID];
 355     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOCAL_DIR, AFSDIR_CBKDUMP_FILE);
 356
 357     pathp = dirPathArray[AFSDIR_SERVER_OLDSYSID_FILEPATH_ID];
 358     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOCAL_DIR, AFSDIR_OLDSYSID_FILE);
 359
 360     pathp = dirPathArray[AFSDIR_SERVER_SYSID_FILEPATH_ID];
 361     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOCAL_DIR, AFSDIR_SYSID_FILE);
 362
 363     pathp = dirPathArray[AFSDIR_SERVER_FILELOG_FILEPATH_ID];
 364     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOGS_DIR, AFSDIR_FILELOG_FILE);
 365
 366     pathp = dirPathArray[AFSDIR_SERVER_AUDIT_FILEPATH_ID];
 367     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOCAL_DIR, AFSDIR_AUDIT_FILE);
 368
 369     pathp = dirPathArray[AFSDIR_SERVER_CONFIG_FILE_FILEPATH_ID];
 370     AFSDIR_CLIENT_FILEPATH(pathp, AFSDIR_SERVER_ETC_DIR,
 371                            AFSDIR_SERVER_CONFIG_FILE);
 372
 373     pathp = dirPathArray[AFSDIR_SERVER_NETINFO_FILEPATH_ID];
 374     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOCAL_DIR, AFSDIR_NETINFO_FILE);
 375
 376     pathp = dirPathArray[AFSDIR_SERVER_NETRESTRICT_FILEPATH_ID];
 377     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOCAL_DIR, AFSDIR_NETRESTRICT_FILE);
 378
 379     pathp = dirPathArray[AFSDIR_SERVER_WEIGHTING_CONSTANTS_FILEPATH_ID];
 380     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_MIGR_DIR,
 381                            AFSDIR_WEIGHTINGCONST_FILE);
 382
 383     pathp = dirPathArray[AFSDIR_SERVER_THRESHOLD_CONSTANTS_FILEPATH_ID];
 384     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_MIGR_DIR,
 385                            AFSDIR_THRESHOLDCONST_FILE);
 386
 387     pathp = dirPathArray[AFSDIR_SERVER_MIGRATELOG_FILEPATH_ID];
 388     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_MIGR_DIR, AFSDIR_MIGRATE_LOGNAME);
 389
 390     pathp = dirPathArray[AFSDIR_SERVER_KRB_EXCL_FILEPATH_ID];
 391     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_SERVER_ETC_DIR, AFSDIR_KRB_EXCL_FILE);
 392
 393     pathp = dirPathArray[AFSDIR_SERVER_FSSTATE_FILEPATH_ID];
 394     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_LOCAL_DIR, AFSDIR_FSSTATE_FILE);
 395
 396     pathp = dirPathArray[AFSDIR_SERVER_RXKAD_KEYTAB_FILEPATH_ID];
 397     AFSDIR_SERVER_FILEPATH(pathp, AFSDIR_SERVER_ETC_DIR, AFSDIR_RXKAD_KEYTAB_FILE);
 398
 399     /* client file paths */
 400 #ifdef AFS_NT40_ENV
 401     strcpy(dirPathArray[AFSDIR_CLIENT_THISCELL_FILEPATH_ID],
 402            "/NoUsrViceEtcThisCellFileOnWindows");
 403     sprintf(dirPathArray[AFSDIR_CLIENT_CELLSERVDB_FILEPATH_ID], "%s/%s",
 404             ntClientConfigDirShort, AFSDIR_CELLSERVDB_FILE_NTCLIENT);
 405     strcpy(dirPathArray[AFSDIR_CLIENT_CELLALIAS_FILEPATH_ID],
 406            "/NoCellAliasOnWindows");
 407 #else
 408     pathp = dirPathArray[AFSDIR_CLIENT_THISCELL_FILEPATH_ID];
 409     AFSDIR_CLIENT_FILEPATH(pathp, clntEtcDir, AFSDIR_THISCELL_FILE);
 410
 411     pathp = dirPathArray[AFSDIR_CLIENT_CELLSERVDB_FILEPATH_ID];
 412     AFSDIR_CLIENT_FILEPATH(pathp, clntEtcDir, AFSDIR_CELLSERVDB_FILE);
 413
 414     pathp = dirPathArray[AFSDIR_CLIENT_CELLALIAS_FILEPATH_ID];
 415     AFSDIR_CLIENT_FILEPATH(pathp, clntEtcDir, AFSDIR_CELLALIAS_FILE);
 416 #endif /* AFS_NT40_ENV */
 417
 418     pathp = dirPathArray[AFSDIR_CLIENT_CONFIG_FILE_FILEPATH_ID];
 419     AFSDIR_CLIENT_FILEPATH(pathp, clntEtcDir, AFSDIR_CLIENT_CONFIG_FILE);
 420
 421     pathp = dirPathArray[AFSDIR_CLIENT_NETINFO_FILEPATH_ID];
 422     AFSDIR_CLIENT_FILEPATH(pathp, clntEtcDir, AFSDIR_NETINFO_FILE);
 423
 424     pathp = dirPathArray[AFSDIR_CLIENT_NETRESTRICT_FILEPATH_ID];
 425     AFSDIR_CLIENT_FILEPATH(pathp, clntEtcDir, AFSDIR_NETRESTRICT_FILE);
 426
 427     initFlag = 1;               /* finished dirpath initialization */
 428     return;
 429 }
 430
 431 /* afs_getDirPath - returns a const char pointer to the requested string
 432  * from the internal path array.
 433  * string_id - index into the path array
 434  */
 435 const char *
 436 afs_getDirPath(afsdir_id_t string_id)
 437 {
 438     /* check if the array has been initialized */
 439     if (initFlag == 0) {        /* no it's not, so initialize */
 440 #ifdef AFS_PTHREAD_ENV
 441         pthread_once(&dirInit_once, initDirPathArray);
 442 #else
 443         initDirPathArray();
 444 #endif
 445     }
 446     return (const char *)dirPathArray[string_id];
 447 }
 448
 449 #ifdef AFS_NT40_ENV
 450 /* getDirPath - present for ABI compatibility on Windows systems;
 451  * Unix systems should not use it. */
 452 const char *
 453 getDirPath(afsdir_id_t string_id)
 454 {
 455     return afs_getDirPath(string_id);
 456 }
 457 #endif
 458
 459 /*
 460  * LocalizePathHead() -- Make path relative to local part
 461  *
 462  * ConstructLocalPath takes a path and a directory that path should
 463  * be considered relative to.  There are two possible cases:
 464  *
 465  * The path is an absolute path.  In this case, the relative path
 466  * is ignored.  We check the path for a prefix that represents a
 467  * canonical path, and if one is found, we adjust the path to remove
 468  * the prefix and adjust the directory to which it should be
 469  * considered relative to be the local version of that canonical path.
 470  *
 471  * The path is a relative path.  In this case, we check to see if the
 472  * directory to which it is relative represents a canonical path, and
 473  * if so, we adjust that directory to be the local version of that
 474  * canonical path.  The relative path itself is left unchanged.
 475  */
 476
 477 /* The following array  maps cannonical parts to local parts.  It
 478  * might  seem reasonable to  simply construct an array in parallel to
 479  * dirpatharray  but it turns out you don't want translations for all
 480  * local paths.
 481 */
 482
 483 struct canonmapping {
 484     const char *canonical;
 485     const char *local;
 486 };
 487 static struct canonmapping CanonicalTranslations[] = {
 488     {AFSDIR_CANONICAL_SERVER_ETC_DIRPATH, AFSDIR_SERVER_ETC_DIR},
 489     {AFSDIR_CANONICAL_SERVER_LOGS_DIRPATH, AFSDIR_LOGS_DIR},
 490     {AFSDIR_CANONICAL_SERVER_LOCAL_DIRPATH, AFSDIR_LOCAL_DIR},
 491     {AFSDIR_CANONICAL_SERVER_BIN_DIRPATH, AFSDIR_SERVER_BIN_DIR},
 492     {NULL, NULL}
 493 };
 494
 495 static void
 496 LocalizePathHead(const char **path, const char **relativeTo)
 497 {
 498      struct canonmapping *map;
 499
 500      if (**path == '/') {
 501          for (map = CanonicalTranslations; map->local != NULL; map++) {
 502              int canonlength = strlen(map->canonical);
 503              if (strncmp(*path, map->canonical, canonlength) == 0) {
 504                  (*path) += canonlength;
 505                  if (**path == '/')
 506                      (*path)++;
 507                  *relativeTo = map->local;
 508                  return;
 509              }
 510          }
 511      } else {
 512          for (map = CanonicalTranslations; map->local != NULL; map++) {
 513              if (strcmp(*relativeTo, map->canonical) == 0) {
 514                  *relativeTo = map->local;
 515                  return;
 516              }
 517          }
 518      }
 519 }
 520
 521
 522 #ifdef AFS_NT40_ENV
 523 /* NT version of ConstructLocalPath() */
 524
 525 /*
 526  * ConstructLocalPath() --  Convert a canonical (wire-format) path to a fully
 527  *     specified local path.  Upon successful completion, *fullPathBufp is
 528  *     set to an allocated buffer containing the fully specified local path
 529  *     constructed from the cpath argument.
 530  *
 531  *     On NT, path construction proceeds as follows:
 532  *         1) If cpath is fully qualified (i.e., starts with 'X:/') then the
 533  *            path returned is equivalent to cpath.
 534  *         2) If cpath begins with a drive letter but is not fully qualified,
 535  *            i.e., it is drive relative, then the function fails with EINVAL.
 536  *         3) If cpath begins with '/' (or '\') then the path returned is the
 537  *            concatenation  AFS-server-install-dir + cpath after translating for localization.
 538  *         4) Otherwise the path returned is the concatenation
 539  *            AFS-server-install-dir + relativeTo + cpath.
 540  *
 541  *     Leading whitespace in cpath is ignored; the constructed path is
 542  *     normalized (FilepathNormalize()).
 543  *
 544  * RETURN CODES: 0 if successful; errno code otherwise.
 545  */
 546 int
 547 ConstructLocalPath(const char *cpath, const char *relativeTo,
 548                    char **fullPathBufp)
 549 {
 550     int status = 0;
 551     char *newPath = NULL;
 552
 553     if (initFlag == 0) {        /* dirpath module not yet initialized */
 554 #ifdef AFS_PTHREAD_ENV
 555         pthread_once(&dirInit_once, initDirPathArray);
 556 #else
 557         initDirPathArray();
 558 #endif
 559     }
 560
 561     *fullPathBufp = NULL;
 562
 563     while (isspace(*cpath)) {
 564         cpath++;
 565     }
 566
 567     LocalizePathHead(&cpath, &relativeTo);
 568     if ((((*cpath >= 'a') && (*cpath <= 'z'))
 569          || ((*cpath >= 'A') && (*cpath <= 'Z'))) && (*(cpath + 1) == ':')) {
 570
 571         /* cpath has a leading drive letter */
 572         if ((*(cpath + 2) != '/') && (*(cpath + 2) != '\\')) {
 573             /* drive letter relative path; this is not allowed */
 574             status = EINVAL;
 575         } else {
 576             /* fully qualified path; just make a copy */
 577             newPath = strdup(cpath);
 578             if (!newPath)
 579                 status = ENOMEM;
 580         }
 581
 582     } else {
 583         /* cpath has NO leading drive letter; make relative to install dir */
 584         size_t pathSize = strlen(ntServerInstallDirShort) + 2;
 585
 586         if ((*cpath == '/') || (*cpath == '\\')) {
 587             /* construct path relative to install directory only */
 588             pathSize += strlen(cpath);
 589
 590             newPath = malloc(pathSize);
 591             if (!newPath) {
 592                 status = ENOMEM;
 593             } else {
 594                 sprintf(newPath, "%s/%s", ntServerInstallDirShort, cpath);
 595             }
 596         } else {
 597             /* construct path relative to 'relativeTo' (and install dir) */
 598             pathSize += strlen(relativeTo) + 1 + strlen(cpath);
 599
 600             newPath = malloc(pathSize);
 601             if (!newPath) {
 602                 status = ENOMEM;
 603             } else {
 604                 sprintf(newPath, "%s/%s/%s", ntServerInstallDirShort,
 605                         relativeTo, cpath);
 606             }
 607         }
 608     }
 609
 610     if (status == 0) {
 611         FilepathNormalize(newPath);
 612
 613         /* return buffer containing fully specified path */
 614         *fullPathBufp = newPath;
 615     }
 616
 617     return status;
 618 }
 619
 620 #else
 621 /* Unix version of ConstructLocalPath() */
 622
 623 /*
 624  * ConstructLocalPath() --  Convert a canonical (wire-format) path to a fully
 625  *     specified local path.  Upon successful completion, *fullPathBufp is
 626  *     set to an allocated buffer containing the fully specified local path
 627  *     constructed from the cpath argument.
 628  *
 629  *     On Unix, path construction proceeds as follows:
 630  *         1) If cpath begins with '/' then the path returned is equivalent
 631  *            to cpath.
 632  *         2) Otherwise the path returned is the concatenation
 633  *            relativeTo + cpath.
 634  *
 635  *     Leading whitespace in cpath is ignored; the constructed path is
 636  *     normalized (FilepathNormalize()).
 637  *
 638  * RETURN CODES: 0 if successful; errno code otherwise.
 639  */
 640 int
 641 ConstructLocalPath(const char *cpath, const char *relativeTo,
 642                    char **fullPathBufp)
 643 {
 644     int status = 0;
 645     char *newPath = NULL;
 646
 647     if (initFlag == 0) {        /* dirpath module not yet initialized */
 648 #ifdef AFS_PTHREAD_ENV
 649         pthread_once(&dirInit_once, initDirPathArray);
 650 #else
 651         initDirPathArray();
 652 #endif
 653     }
 654
 655     *fullPathBufp = NULL;
 656
 657     while (isspace(*cpath)) {
 658         cpath++;
 659     }
 660
 661     LocalizePathHead(&cpath, &relativeTo);
 662     if (*cpath == '/') {
 663         newPath = strdup(cpath);
 664     } else {
 665         if (asprintf(&newPath, "%s/%s", relativeTo, cpath) < 0)
 666             newPath = NULL;
 667     }
 668     if (newPath == NULL)
 669         status = ENOMEM;
 670
 671     if (status == 0) {
 672         FilepathNormalize(newPath);
 673
 674         /* return buffer containing fully specified path */
 675         *fullPathBufp = newPath;
 676     }
 677
 678     return status;
 679 }
 680 #endif /* AFS_NT40_ENV */
 681
 682
 683 /*
 684  * ConstructLocalBinPath() -- A convenience wrapper for ConstructLocalPath()
 685  *     that specifies the canonical AFS server binary directory as the relative
 686  *     directory.
 687  */
 688 int
 689 ConstructLocalBinPath(const char *cpath, char **fullPathBufp)
 690 {
 691     return ConstructLocalPath(cpath, AFSDIR_SERVER_BIN_DIRPATH,
 692                               fullPathBufp);
 693 }
 694
 695
 696 /*
 697  * ConstructLocalLogPath() -- A convenience wrapper for ConstructLocalPath()
 698  *     that specifies the canonical AFS server logs directory as the relative
 699  *     directory.
 700  */
 701 int
 702 ConstructLocalLogPath(const char *cpath, char **fullPathBufp)
 703 {
 704     return ConstructLocalPath(cpath, AFSDIR_SERVER_LOGS_DIRPATH,
 705                               fullPathBufp);
 706 }