Annotation of embedaddon/ntp/lib/isc/win32/strerror.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC")
! 3: * Copyright (C) 2001, 2002 Internet Software Consortium.
! 4: *
! 5: * Permission to use, copy, modify, and/or distribute this software for any
! 6: * purpose with or without fee is hereby granted, provided that the above
! 7: * copyright notice and this permission notice appear in all copies.
! 8: *
! 9: * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
! 10: * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
! 11: * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
! 12: * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
! 13: * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
! 14: * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
! 15: * PERFORMANCE OF THIS SOFTWARE.
! 16: */
! 17:
! 18: /* $Id: strerror.c,v 1.8 2007/06/19 23:47:19 tbox Exp $ */
! 19:
! 20: #include <config.h>
! 21:
! 22: #include <stdio.h>
! 23: #include <string.h>
! 24: #include <winsock2.h>
! 25:
! 26: #include <isc/mutex.h>
! 27: #include <isc/once.h>
! 28: #include <isc/print.h>
! 29: #include <isc/strerror.h>
! 30: #include <isc/util.h>
! 31:
! 32: /*
! 33: * Forward declarations
! 34: */
! 35:
! 36: char *
! 37: FormatError(int error);
! 38:
! 39: char *
! 40: GetWSAErrorMessage(int errval);
! 41:
! 42: char *
! 43: NTstrerror(int err, BOOL *bfreebuf);
! 44:
! 45: /*
! 46: * We need to do this this way for profiled locks.
! 47: */
! 48:
! 49: static isc_mutex_t isc_strerror_lock;
! 50: static void init_lock(void) {
! 51: RUNTIME_CHECK(isc_mutex_init(&isc_strerror_lock) == ISC_R_SUCCESS);
! 52: }
! 53:
! 54: /*
! 55: * This routine needs to free up any buffer allocated by FormatMessage
! 56: * if that routine gets used.
! 57: */
! 58:
! 59: void
! 60: isc__strerror(int num, char *buf, size_t size) {
! 61: char *msg;
! 62: BOOL freebuf;
! 63: unsigned int unum = num;
! 64: static isc_once_t once = ISC_ONCE_INIT;
! 65:
! 66: REQUIRE(buf != NULL);
! 67:
! 68: RUNTIME_CHECK(isc_once_do(&once, init_lock) == ISC_R_SUCCESS);
! 69:
! 70: LOCK(&isc_strerror_lock);
! 71: freebuf = FALSE;
! 72: msg = NTstrerror(num, &freebuf);
! 73: if (msg != NULL)
! 74: snprintf(buf, size, "%s", msg);
! 75: else
! 76: snprintf(buf, size, "Unknown error: %u", unum);
! 77: if(freebuf && msg != NULL) {
! 78: LocalFree(msg);
! 79: }
! 80: UNLOCK(&isc_strerror_lock);
! 81: }
! 82:
! 83: /*
! 84: * Note this will cause a memory leak unless the memory allocated here
! 85: * is freed by calling LocalFree. isc__strerror does this before unlocking.
! 86: * This only gets called if there is a system type of error and will likely
! 87: * be an unusual event.
! 88: */
! 89: char *
! 90: FormatError(int error) {
! 91: LPVOID lpMsgBuf = NULL;
! 92: FormatMessage(
! 93: FORMAT_MESSAGE_ALLOCATE_BUFFER |
! 94: FORMAT_MESSAGE_FROM_SYSTEM |
! 95: FORMAT_MESSAGE_IGNORE_INSERTS,
! 96: NULL,
! 97: error,
! 98: /* Default language */
! 99: MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
! 100: (LPTSTR) &lpMsgBuf,
! 101: 0,
! 102: NULL);
! 103:
! 104: return (lpMsgBuf);
! 105: }
! 106:
! 107: /*
! 108: * This routine checks the error value and calls the WSA Windows Sockets
! 109: * Error message function GetWSAErrorMessage below if it's within that range
! 110: * since those messages are not available in the system error messages.
! 111: */
! 112: char *
! 113: NTstrerror(int err, BOOL *bfreebuf) {
! 114: char *retmsg = NULL;
! 115:
! 116: /* Copy the error value first in case of other errors */
! 117: DWORD errval = err;
! 118:
! 119: *bfreebuf = FALSE;
! 120:
! 121: /* Get the Winsock2 error messages */
! 122: if (errval >= WSABASEERR && errval <= (WSABASEERR + 1015)) {
! 123: retmsg = GetWSAErrorMessage(errval);
! 124: if (retmsg != NULL)
! 125: return (retmsg);
! 126: }
! 127: /*
! 128: * If it's not one of the standard Unix error codes,
! 129: * try a system error message
! 130: */
! 131: if (errval > (DWORD) _sys_nerr) {
! 132: *bfreebuf = TRUE;
! 133: return (FormatError(errval));
! 134: } else {
! 135: return (strerror(errval));
! 136: }
! 137: }
! 138:
! 139: /*
! 140: * This is a replacement for perror
! 141: */
! 142: void __cdecl
! 143: NTperror(char *errmsg) {
! 144: /* Copy the error value first in case of other errors */
! 145: int errval = errno;
! 146: BOOL bfreebuf = FALSE;
! 147: char *msg;
! 148:
! 149: msg = NTstrerror(errval, &bfreebuf);
! 150: fprintf(stderr, "%s: %s\n", errmsg, msg);
! 151: if(bfreebuf == TRUE) {
! 152: LocalFree(msg);
! 153: }
! 154:
! 155: }
! 156:
! 157: /*
! 158: * Return the error string related to Winsock2 errors.
! 159: * This function is necessary since FormatMessage knows nothing about them
! 160: * and there is no function to get them.
! 161: */
! 162: char *
! 163: GetWSAErrorMessage(int errval) {
! 164: char *msg;
! 165:
! 166: switch (errval) {
! 167:
! 168: case WSAEINTR:
! 169: msg = "Interrupted system call";
! 170: break;
! 171:
! 172: case WSAEBADF:
! 173: msg = "Bad file number";
! 174: break;
! 175:
! 176: case WSAEACCES:
! 177: msg = "Permission denied";
! 178: break;
! 179:
! 180: case WSAEFAULT:
! 181: msg = "Bad address";
! 182: break;
! 183:
! 184: case WSAEINVAL:
! 185: msg = "Invalid argument";
! 186: break;
! 187:
! 188: case WSAEMFILE:
! 189: msg = "Too many open sockets";
! 190: break;
! 191:
! 192: case WSAEWOULDBLOCK:
! 193: msg = "Operation would block";
! 194: break;
! 195:
! 196: case WSAEINPROGRESS:
! 197: msg = "Operation now in progress";
! 198: break;
! 199:
! 200: case WSAEALREADY:
! 201: msg = "Operation already in progress";
! 202: break;
! 203:
! 204: case WSAENOTSOCK:
! 205: msg = "Socket operation on non-socket";
! 206: break;
! 207:
! 208: case WSAEDESTADDRREQ:
! 209: msg = "Destination address required";
! 210: break;
! 211:
! 212: case WSAEMSGSIZE:
! 213: msg = "Message too long";
! 214: break;
! 215:
! 216: case WSAEPROTOTYPE:
! 217: msg = "Protocol wrong type for socket";
! 218: break;
! 219:
! 220: case WSAENOPROTOOPT:
! 221: msg = "Bad protocol option";
! 222: break;
! 223:
! 224: case WSAEPROTONOSUPPORT:
! 225: msg = "Protocol not supported";
! 226: break;
! 227:
! 228: case WSAESOCKTNOSUPPORT:
! 229: msg = "Socket type not supported";
! 230: break;
! 231:
! 232: case WSAEOPNOTSUPP:
! 233: msg = "Operation not supported on socket";
! 234: break;
! 235:
! 236: case WSAEPFNOSUPPORT:
! 237: msg = "Protocol family not supported";
! 238: break;
! 239:
! 240: case WSAEAFNOSUPPORT:
! 241: msg = "Address family not supported";
! 242: break;
! 243:
! 244: case WSAEADDRINUSE:
! 245: msg = "Address already in use";
! 246: break;
! 247:
! 248: case WSAEADDRNOTAVAIL:
! 249: msg = "Can't assign requested address";
! 250: break;
! 251:
! 252: case WSAENETDOWN:
! 253: msg = "Network is down";
! 254: break;
! 255:
! 256: case WSAENETUNREACH:
! 257: msg = "Network is unreachable";
! 258: break;
! 259:
! 260: case WSAENETRESET:
! 261: msg = "Net connection reset";
! 262: break;
! 263:
! 264: case WSAECONNABORTED:
! 265: msg = "Software caused connection abort";
! 266: break;
! 267:
! 268: case WSAECONNRESET:
! 269: msg = "Connection reset by peer";
! 270: break;
! 271:
! 272: case WSAENOBUFS:
! 273: msg = "No buffer space available";
! 274: break;
! 275:
! 276: case WSAEISCONN:
! 277: msg = "Socket is already connected";
! 278: break;
! 279:
! 280: case WSAENOTCONN:
! 281: msg = "Socket is not connected";
! 282: break;
! 283:
! 284: case WSAESHUTDOWN:
! 285: msg = "Can't send after socket shutdown";
! 286: break;
! 287:
! 288: case WSAETOOMANYREFS:
! 289: msg = "Too many references: can't splice";
! 290: break;
! 291:
! 292: case WSAETIMEDOUT:
! 293: msg = "Connection timed out";
! 294: break;
! 295:
! 296: case WSAECONNREFUSED:
! 297: msg = "Connection refused";
! 298: break;
! 299:
! 300: case WSAELOOP:
! 301: msg = "Too many levels of symbolic links";
! 302: break;
! 303:
! 304: case WSAENAMETOOLONG:
! 305: msg = "File name too long";
! 306: break;
! 307:
! 308: case WSAEHOSTDOWN:
! 309: msg = "Host is down";
! 310: break;
! 311:
! 312: case WSAEHOSTUNREACH:
! 313: msg = "No route to host";
! 314: break;
! 315:
! 316: case WSAENOTEMPTY:
! 317: msg = "Directory not empty";
! 318: break;
! 319:
! 320: case WSAEPROCLIM:
! 321: msg = "Too many processes";
! 322: break;
! 323:
! 324: case WSAEUSERS:
! 325: msg = "Too many users";
! 326: break;
! 327:
! 328: case WSAEDQUOT:
! 329: msg = "Disc quota exceeded";
! 330: break;
! 331:
! 332: case WSAESTALE:
! 333: msg = "Stale NFS file handle";
! 334: break;
! 335:
! 336: case WSAEREMOTE:
! 337: msg = "Too many levels of remote in path";
! 338: break;
! 339:
! 340: case WSASYSNOTREADY:
! 341: msg = "Network system is unavailable";
! 342: break;
! 343:
! 344: case WSAVERNOTSUPPORTED:
! 345: msg = "Winsock version out of range";
! 346: break;
! 347:
! 348: case WSANOTINITIALISED:
! 349: msg = "WSAStartup not yet called";
! 350: break;
! 351:
! 352: case WSAEDISCON:
! 353: msg = "Graceful shutdown in progress";
! 354: break;
! 355: /*
! 356: case WSAHOST_NOT_FOUND:
! 357: msg = "Host not found";
! 358: break;
! 359:
! 360: case WSANO_DATA:
! 361: msg = "No host data of that type was found";
! 362: break;
! 363: */
! 364: default:
! 365: msg = NULL;
! 366: break;
! 367: }
! 368: return (msg);
! 369: }
! 370:
! 371: /*
! 372: * These error messages are more informative about CryptAPI Errors than the
! 373: * standard error messages
! 374: */
! 375:
! 376: char *
! 377: GetCryptErrorMessage(int errval) {
! 378: char *msg;
! 379:
! 380: switch (errval) {
! 381:
! 382: case NTE_BAD_FLAGS:
! 383: msg = "The dwFlags parameter has an illegal value.";
! 384: break;
! 385: case NTE_BAD_KEYSET:
! 386: msg = "The Registry entry for the key container "
! 387: "could not be opened and may not exist.";
! 388: break;
! 389: case NTE_BAD_KEYSET_PARAM:
! 390: msg = "The pszContainer or pszProvider parameter "
! 391: "is set to an illegal value.";
! 392: break;
! 393: case NTE_BAD_PROV_TYPE:
! 394: msg = "The value of the dwProvType parameter is out "
! 395: "of range. All provider types must be from "
! 396: "1 to 999, inclusive.";
! 397: break;
! 398: case NTE_BAD_SIGNATURE:
! 399: msg = "The provider DLL signature did not verify "
! 400: "correctly. Either the DLL or the digital "
! 401: "signature has been tampered with.";
! 402: break;
! 403: case NTE_EXISTS:
! 404: msg = "The dwFlags parameter is CRYPT_NEWKEYSET, but the key"
! 405: " container already exists.";
! 406: break;
! 407: case NTE_KEYSET_ENTRY_BAD:
! 408: msg = "The Registry entry for the pszContainer key container "
! 409: "was found (in the HKEY_CURRENT_USER window), but is "
! 410: "corrupt. See the section System Administration for "
! 411: " etails about CryptoAPI's Registry usage.";
! 412: break;
! 413: case NTE_KEYSET_NOT_DEF:
! 414: msg = "No Registry entry exists in the HKEY_CURRENT_USER "
! 415: "window for the key container specified by "
! 416: "pszContainer.";
! 417: break;
! 418: case NTE_NO_MEMORY:
! 419: msg = "The CSP ran out of memory during the operation.";
! 420: break;
! 421: case NTE_PROV_DLL_NOT_FOUND:
! 422: msg = "The provider DLL file does not exist or is not on the "
! 423: "current path.";
! 424: break;
! 425: case NTE_PROV_TYPE_ENTRY_BAD:
! 426: msg = "The Registry entry for the provider type specified by "
! 427: "dwProvType is corrupt. This error may relate to "
! 428: "either the user default CSP list or the machine "
! 429: "default CSP list. See the section System "
! 430: "Administration for details about CryptoAPI's "
! 431: "Registry usage.";
! 432: break;
! 433: case NTE_PROV_TYPE_NO_MATCH:
! 434: msg = "The provider type specified by dwProvType does not "
! 435: "match the provider type found in the Registry. Note "
! 436: "that this error can only occur when pszProvider "
! 437: "specifies an actual CSP name.";
! 438: break;
! 439: case NTE_PROV_TYPE_NOT_DEF:
! 440: msg = "No Registry entry exists for the provider type "
! 441: "specified by dwProvType.";
! 442: break;
! 443: case NTE_PROVIDER_DLL_FAIL:
! 444: msg = "The provider DLL file could not be loaded, and "
! 445: "may not exist. If it exists, then the file is "
! 446: "not a valid DLL.";
! 447: break;
! 448: case NTE_SIGNATURE_FILE_BAD:
! 449: msg = "An error occurred while loading the DLL file image, "
! 450: "prior to verifying its signature.";
! 451: break;
! 452:
! 453: default:
! 454: msg = NULL;
! 455: break;
! 456: }
! 457: return msg;
! 458: }
! 459:
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