mirror of
https://github.com/samsonjs/arq_restore.git
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91 lines
2.9 KiB
Objective-C
91 lines
2.9 KiB
Objective-C
/*
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Copyright (c) 2009-2017, Haystack Software LLC https://www.arqbackup.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the names of PhotoMinds LLC or Haystack Software, nor the names of
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their contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef USE_OPENSSL
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#import "OpenSSL.h"
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#import <openssl/err.h>
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#import <openssl/ssl.h>
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static BOOL initialized = NO;
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static SSL_CTX *ctx;
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@implementation OpenSSL
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+ (BOOL)initializeSSL:(NSError **)error {
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if (!initialized) {
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#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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SSL_library_init();
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OpenSSL_add_all_algorithms();
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SSL_load_error_strings();
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ERR_load_crypto_strings();
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ctx = SSL_CTX_new(SSLv23_method());
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if (ctx == NULL) {
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SETNSERROR(@"SSLErrorDomain", -1, @"SSL_CTX_new: %@", [OpenSSL errorMessage]);
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return NO;
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}
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initialized = YES;
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#pragma GCC diagnostic warning "-Wdeprecated-declarations"
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}
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return YES;
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}
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+ (SSL_CTX *)context {
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return ctx;
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}
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+ (NSString *)errorMessage {
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NSMutableString *msg = [NSMutableString string];
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#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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for (;;) {
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unsigned long err = ERR_get_error();
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if (err == 0) {
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break;
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}
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if ([msg length] > 0) {
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[msg appendString:@"; "];
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}
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[msg appendFormat:@"%s", ERR_reason_error_string(err)];
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}
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if ([msg length] == 0) {
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[msg appendString:@"(no error)"];
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}
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#pragma GCC diagnostic warning "-Wdeprecated-declarations"
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return msg;
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}
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@end
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#endif /* USE_OPENSSL */
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