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Diffstat (limited to 'src/include/dkimverify.h')
| -rw-r--r-- | src/include/dkimverify.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/include/dkimverify.h b/src/include/dkimverify.h new file mode 100644 index 0000000..64de2a1 --- /dev/null +++ b/src/include/dkimverify.h @@ -0,0 +1,152 @@ +/***************************************************************************** +* Copyright 2005 Alt-N Technologies, Ltd. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* This code incorporates intellectual property owned by Yahoo! and licensed +* pursuant to the Yahoo! DomainKeys Patent License Agreement. +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +* +* Changes done by ¢feh@fehcom.de obeying the above license +* +*****************************************************************************/ +#ifndef DKIMVERIFY_H +#define DKIMVERIFY_H + +#include "dkimbase.h" +#include <vector> + +/* not used anymore +#define DKIM_ADSP_UNKNOWN 1 +#define DKIM_ADSP_ALL 2 +#define DKIM_ADSP_DISCARDABLE 3 +*/ + +#define DKIM_POLICY_DOMAIN_NAME_TOO_LONG -50 // internal error +#define DKIM_POLICY_DNS_TEMP_FAILURE -51 // internal error +#define DKIM_POLICY_DNS_PERM_FAILURE -52 // internal error +#define DKIM_POLICY_INVALID -53 // internal error + +/* dito +#define DKIM_SIG_VERSION_PRE_02 0 +#define DKIM_SIG_VERSION_02_PLUS 1 +*/ + +class SelectorInfo +{ +public: + SelectorInfo(const string &sSelector,const string &sDomain); + ~SelectorInfo(); + + string Domain; + string Selector; + string Granularity; + bool AllowSHA1; + bool AllowSHA256; + EVP_PKEY *PublicKey; /* the public key */ + bool Testing; + bool SameDomain; + + int Status; + + int Parse(char* Buffer); +}; + +class SignatureInfo +{ +public: + SignatureInfo(bool SaveCanonicalizedData); + ~SignatureInfo(); + + void Hash(const char* szBuffer,unsigned nBufLength,bool IsBody=false); + + string Header; + unsigned Version; + string Domain; + string Selector; + string SignatureData; + string BodyHashData; + string IdentityLocalPart; + string IdentityDomain; + string CanonicalizedData; + vector<string> SignedHeaders; + unsigned BodyLength; + unsigned HeaderCanonicalization; + unsigned BodyCanonicalization; + unsigned ExpireTime; + + unsigned VerifiedBodyCount; + unsigned UnverifiedBodyCount; + +#if ((OPENSSL_VERSION_NUMBER < 0x10100000L) || (LIBRESSL_VERSION_NUMBER > 0 && LIBRESSL_VERSION_NUMBER < 0x20700000L)) + EVP_MD_CTX m_Hdr_ctx; + EVP_MD_CTX m_Bdy_ctx; +#else + EVP_MD_CTX *m_Hdr_ctx; + EVP_MD_CTX *m_Bdy_ctx; +#endif +#if (OPENSSL_VERSION_NUMBER > 0x10101000L) + EVP_MD_CTX *m_Msg_ctx; +#endif + + SelectorInfo *m_pSelector; + + int Status; + int m_nHash; // use one of the DKIM_HASH_xxx constants here + unsigned EmptyLineCount; + bool m_SaveCanonicalizedData; +}; + +class CDKIMVerify : public CDKIMBase +{ +public: + + CDKIMVerify(); + ~CDKIMVerify(); +// virtual ~CDKIMVerify() = 0; + + int Init(DKIMVerifyOptions* pOptions); + + int GetResults(void); + int GetDetails(int* nSigCount,DKIMVerifyDetails** pDetails); +// int _DNSGetTXT(const char* szFQDN,char* Buffer,int nBufLen); + + virtual int ProcessHeaders(void); + virtual int ProcessBody(char* szBuffer,int nBufLength,bool bEOF); + + const char* GetPractices() { return Practices.c_str(); } + +protected: + + int ParseDKIMSignature(const string& sHeader,SignatureInfo &sig); + + SelectorInfo& GetSelector(const string &sSelector,const string &sDomain); + +// int GetADSP(const string &sDomain,int &iADSP); + + list<SignatureInfo> Signatures; + list<SelectorInfo> Selectors; + + DKIMDNSCALLBACK m_pfnSelectorCallback; // selector record callback +// DKIMDNSCALLBACK m_pfnPracticesCallback; // ADSP record callback + + bool m_HonorBodyLengthTag; + bool m_CheckPractices; + bool m_SubjectIsRequired; + bool m_SaveCanonicalizedData; + bool m_AllowUnsignedFromHeaders; + + vector<DKIMVerifyDetails> Details; + string Practices; +}; + +#endif //DKIMVERIFY_H |