+++ /dev/null
-/*
- * Copyright (c) 2012-2014 Apple Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-
-#include <utilities/SecCFError.h>
-#include <utilities/SecCFRelease.h>
-#include <utilities/debugging.h>
-#include <notify.h>
-
-
-//
-// OSStatus values we magically know
-//
-enum {
- parameterError = -50, /* One or more parameters passed to a function were not valid. */
- allocationError = -108, /* Failed to allocate memory. */
-};
-
-bool SecKernError(kern_return_t result, CFErrorRef *error, CFStringRef format, ...) {
- if (!result) return true;
- if (error) {
- va_list args;
- CFIndex code = result;
- CFErrorRef previousError = *error;
-
- *error = NULL;
- va_start(args, format);
- SecCFCreateErrorWithFormatAndArguments(code, kSecKernDomain, previousError, error, NULL, format, args);
- va_end(args);
- }
- return false;
-}
-
-bool SecCheckErrno(int result, CFErrorRef *error, CFStringRef format, ...) {
- if (result == 0) return true;
- if (error) {
- va_list args;
- int errnum = errno;
- CFIndex code = errnum;
- CFErrorRef previousError = *error;
-
- *error = NULL;
- va_start(args, format);
- CFStringRef message = CFStringCreateWithFormatAndArguments(kCFAllocatorDefault, NULL, format, args);
- va_end(args);
- SecCFCreateErrorWithFormat(code, kSecErrnoDomain, previousError, error, NULL, CFSTR("%@: [%d] %s"), message, errnum, strerror(errnum));
- CFReleaseSafe(message);
- }
- return false;
-}
-
-bool SecPOSIXError(int error, CFErrorRef *cferror, CFStringRef format, ...)
-{
- if (error == 0) return true;
- if (error) {
- va_list args;
- CFIndex code = error;
- CFErrorRef previousError = *cferror;
-
- *cferror = NULL;
- va_start(args, format);
- SecCFCreateErrorWithFormatAndArguments(code, kSecErrnoDomain, previousError, cferror, NULL, format, args);
- va_end(args);
- }
- return false;
-}
-
-bool SecCoreCryptoError(int error, CFErrorRef *cferror, CFStringRef format, ...)
-{
- if (error == 0) return true;
- if (error) {
- va_list args;
- CFIndex code = error;
- CFErrorRef previousError = *cferror;
-
- *cferror = NULL;
- va_start(args, format);
- SecCFCreateErrorWithFormatAndArguments(code, kSecCoreCryptoDomain, previousError, cferror, NULL, format, args);
- va_end(args);
- }
- return false;
-}
-
-
-bool SecNotifyError(uint32_t result, CFErrorRef *error, CFStringRef format, ...) {
- if (result == NOTIFY_STATUS_OK) return true;
- if (error) {
- va_list args;
- CFIndex code = result;
- CFErrorRef previousError = *error;
-
- *error = NULL;
- va_start(args, format);
- SecCFCreateErrorWithFormatAndArguments(code, kSecNotifyDomain, previousError, error, NULL, format, args);
- va_end(args);
- }
- return false;
-}
-
-bool SecError(OSStatus status, CFErrorRef *error, CFStringRef format, ...) {
- if (status == 0) return true;
- if (error) {
- va_list args;
- CFIndex code = status;
- CFErrorRef previousError = *error;
-
- *error = NULL;
- va_start(args, format);
- SecCFCreateErrorWithFormatAndArguments(code, kSecErrorDomain, previousError, error, NULL, format, args);
- va_end(args);
- }
- return false;
-}
-
-// Parameter error
-bool SecRequirementError(bool requirement, CFErrorRef *error, CFStringRef format, ...) {
- if (requirement) return true;
- if (error) {
- va_list args;
- CFErrorRef previousError = *error;
-
- *error = NULL;
- va_start(args, format);
- SecCFCreateErrorWithFormatAndArguments(parameterError, kSecErrorDomain, previousError, error, NULL, format, args);
- va_end(args);
- }
- return false;
-}
-
-// Allocation failure
-bool SecAllocationError(const void *allocated, CFErrorRef *error, CFStringRef format, ...) {
- if (allocated) return true;
- if (error) {
- va_list args;
- CFErrorRef previousError = *error;
-
- *error = NULL;
- va_start(args, format);
- SecCFCreateErrorWithFormatAndArguments(allocationError, kSecErrorDomain, previousError, error, NULL, format, args);
- va_end(args);
- }
- return false;
-}
-
-bool SecCFCreateErrorWithFormat(CFIndex errorCode, CFStringRef domain, CFErrorRef previousError, CFErrorRef *newError,
- CFDictionaryRef formatoptions, CFStringRef format, ...)
-{
- va_list args;
- va_start(args, format);
-
- bool result = SecCFCreateErrorWithFormatAndArguments(errorCode, domain, previousError, newError, formatoptions, format, args);
-
- va_end(args);
-
- return result;
-}
-
-// Also consumes whatever newError points to
-bool SecCFCreateErrorWithFormatAndArguments(CFIndex errorCode, CFStringRef domain,
- CF_CONSUMED CFErrorRef previousError, CFErrorRef *newError,
- CFDictionaryRef formatoptions, CFStringRef format, va_list args)
-{
- if (newError && !(*newError)) {
- CFStringRef formattedString = CFStringCreateWithFormatAndArguments(NULL, formatoptions, format, args);
-
- const void* keys[2] = { kCFErrorDescriptionKey, kCFErrorUnderlyingErrorKey};
- const void* values[2] = { formattedString, previousError };
- const CFIndex numEntriesToUse = (previousError != NULL) ? 2 : 1;
-
- // Prepare to release whatever we replaced, as long as they didn't tell us to do so via previousError
- // In a sane world, this function wouldn't have a previousError argument, since it should always release what it's replacing,
- // but changing all callsites is a huge change
- CFErrorRef replacing = ((*newError) == previousError) ? NULL : *newError;
-
- *newError = CFErrorCreateWithUserInfoKeysAndValues(kCFAllocatorDefault, domain, errorCode,
- keys, values, numEntriesToUse);
-
- CFReleaseNull(formattedString);
- if (previousError)
- secdebug("error_thee_well", "encapsulated %@ with new error: %@", previousError, *newError);
-
- CFReleaseNull(replacing);
- CFReleaseNull(previousError);
- } else {
- if (previousError && newError && (previousError != *newError)) {
- secdebug("error_thee_well", "dropping %@", previousError);
- CFRelease(previousError);
- }
- }
-
- if (newError)
- secdebug("error_thee_well", "SecError: %@", *newError);
-
-
- return false;
-}
projects / apple / security.git / blobdiff