123 lines
4.5 KiB
Objective-C
123 lines
4.5 KiB
Objective-C
/*
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* Copyright (c) 2011, Florian Zeitz <florob@babelmonkeys.de>
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*
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* https://webkeks.org/git/?p=objxmpp.git
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#import <ObjFW/ObjFW.h>
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#import "XMPPAuthenticator.h"
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#import "XMPPConnection.h"
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/**
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* \brief A class to authenticate using SCRAM
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*/
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@interface XMPPSCRAMAuth: XMPPAuthenticator
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{
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Class _hashType;
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OFString *_cNonce;
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OFString *_GS2Header;
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OFString *_clientFirstMessageBare;
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OFDataArray *_serverSignature;
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XMPPConnection *_connection;
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bool _plusAvailable;
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bool _authenticated;
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}
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/**
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* \brief Creates a new autoreleased XMPPSCRAMAuth with an authcid and password.
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*
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* \param authcid The authcid to authenticate with
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* \param password The password to authenticate with
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* \param connection The connection over which authentication is done
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* \param hash The class to use for calulating hashes
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* \param plusAvailable Whether the PLUS variant was offered
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* \return A new autoreleased XMPPSCRAMAuth
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*/
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+ (instancetype)SCRAMAuthWithAuthcid: (OFString*)authcid
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password: (OFString*)password
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connection: (XMPPConnection*)connection
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hash: (Class)hash
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plusAvailable: (bool)plusAvailable;
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/**
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* \brief Creates a new autoreleased XMPPSCRAMAuth with an authzid, authcid and
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* password.
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*
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* \param authzid The authzid to get authorization for
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* \param authcid The authcid to authenticate with
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* \param password The password to authenticate with
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* \param connection The connection over which authentication is done
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* \param hash The class to use for calulating hashes
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* \param plusAvailable Whether the PLUS variant was offered
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* \return A new autoreleased XMPPSCRAMAuth
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*/
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+ (instancetype)SCRAMAuthWithAuthzid: (OFString*)authzid
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authcid: (OFString*)authcid
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password: (OFString*)password
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connection: (XMPPConnection*)connection
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hash: (Class)hash
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plusAvailable: (bool)plusAvailable;
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/**
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* \brief Initializes an already allocated XMPPSCRAMAuth with an authcid and
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* password.
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*
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* \param authcid The authcid to authenticate with
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* \param password The password to authenticate with
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* \param connection The connection over which authentication is done
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* \param hash The class to use for calulating hashes
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* \param plusAvailable Whether the PLUS variant was offered
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* \return A initialized XMPPSCRAMAuth
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*/
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- initWithAuthcid: (OFString*)authcid
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password: (OFString*)password
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connection: (XMPPConnection*)connection
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hash: (Class)hash
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plusAvailable: (bool)plusAvailable;
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/**
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* \brief Initializes an already allocated XMPPSCRAMAuth with a authzid,
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* authcid and password.
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*
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* \param authzid The authzid to get authorization for
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* \param authcid The authcid to authenticate with
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* \param password The password to authenticate with
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* \param connection The connection over which authentication is done
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* \param hash The class to use for calulating hashes
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* \param plusAvailable Whether the PLUS variant was offered
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* \return A initialized XMPPSCRAMAuth
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*/
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- initWithAuthzid: (OFString*)authzid
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authcid: (OFString*)authcid
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password: (OFString*)password
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connection: (XMPPConnection*)connection
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hash: (Class)hash
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plusAvailable: (bool)plusAvailable;
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/// \cond internal
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- (OFString*)XMPP_genNonce;
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- (const uint8_t*)XMPP_HMACWithKey: (OFDataArray*)key
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data: (OFDataArray*)data;
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- (OFDataArray*)XMPP_hiWithData: (OFDataArray*)str
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salt: (OFDataArray*)salt
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iterationCount: (intmax_t)i;
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- (OFDataArray*)XMPP_parseServerFirstMessage: (OFDataArray*)data;
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- (OFDataArray*)XMPP_parseServerFinalMessage: (OFDataArray*)data;
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/// \endcond
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@end
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