LCOV - code coverage report
Current view: top level - security/manager/ssl - nsCertOverrideService.h (source / functions) Hit Total Coverage
Test: output.info Lines: 0 35 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 13 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2             :  *
       3             :  * This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef nsCertOverrideService_h
       8             : #define nsCertOverrideService_h
       9             : 
      10             : #include "mozilla/Mutex.h"
      11             : #include "mozilla/TypedEnumBits.h"
      12             : #include "nsICertOverrideService.h"
      13             : #include "nsIFile.h"
      14             : #include "nsIObserver.h"
      15             : #include "nsString.h"
      16             : #include "nsTHashtable.h"
      17             : #include "nsWeakReference.h"
      18             : #include "secoidt.h"
      19             : 
      20           0 : class nsCertOverride
      21             : {
      22             : public:
      23             :   enum class OverrideBits {
      24             :     None = 0,
      25             :     Untrusted = nsICertOverrideService::ERROR_UNTRUSTED,
      26             :     Mismatch = nsICertOverrideService::ERROR_MISMATCH,
      27             :     Time = nsICertOverrideService::ERROR_TIME,
      28             :   };
      29             : 
      30           0 :   nsCertOverride()
      31           0 :     : mPort(-1)
      32           0 :     , mOverrideBits(OverrideBits::None)
      33             :   {
      34           0 :   }
      35             : 
      36             :   nsCertOverride(const nsCertOverride &other)
      37             :   {
      38             :     this->operator=(other);
      39             :   }
      40             : 
      41           0 :   nsCertOverride &operator=(const nsCertOverride &other)
      42             :   {
      43           0 :     mAsciiHost = other.mAsciiHost;
      44           0 :     mPort = other.mPort;
      45           0 :     mIsTemporary = other.mIsTemporary;
      46           0 :     mFingerprintAlgOID = other.mFingerprintAlgOID;
      47           0 :     mFingerprint = other.mFingerprint;
      48           0 :     mOverrideBits = other.mOverrideBits;
      49           0 :     mDBKey = other.mDBKey;
      50           0 :     mCert = other.mCert;
      51           0 :     return *this;
      52             :   }
      53             : 
      54             :   nsCString mAsciiHost;
      55             :   int32_t mPort;
      56             :   bool mIsTemporary; // true: session only, false: stored on disk
      57             :   nsCString mFingerprint;
      58             :   nsCString mFingerprintAlgOID;
      59             :   OverrideBits mOverrideBits;
      60             :   nsCString mDBKey;
      61             :   nsCOMPtr <nsIX509Cert> mCert;
      62             : 
      63             :   static void convertBitsToString(OverrideBits ob, nsACString &str);
      64             :   static void convertStringToBits(const nsACString &str, OverrideBits &ob);
      65             : };
      66             : 
      67           0 : MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(nsCertOverride::OverrideBits)
      68             : 
      69             : // hash entry class
      70             : class nsCertOverrideEntry final : public PLDHashEntryHdr
      71             : {
      72             :   public:
      73             :     // Hash methods
      74             :     typedef const char* KeyType;
      75             :     typedef const char* KeyTypePointer;
      76             : 
      77             :     // do nothing with aHost - we require mHead to be set before we're live!
      78           0 :     explicit nsCertOverrideEntry(KeyTypePointer aHostWithPortUTF8)
      79           0 :     {
      80           0 :     }
      81             : 
      82           0 :     nsCertOverrideEntry(const nsCertOverrideEntry& toCopy)
      83           0 :     {
      84           0 :       mSettings = toCopy.mSettings;
      85           0 :       mHostWithPort = toCopy.mHostWithPort;
      86           0 :     }
      87             : 
      88           0 :     ~nsCertOverrideEntry()
      89           0 :     {
      90           0 :     }
      91             : 
      92             :     KeyType GetKey() const
      93             :     {
      94             :       return HostWithPortPtr();
      95             :     }
      96             : 
      97             :     KeyTypePointer GetKeyPointer() const
      98             :     {
      99             :       return HostWithPortPtr();
     100             :     }
     101             : 
     102           0 :     bool KeyEquals(KeyTypePointer aKey) const
     103             :     {
     104           0 :       return !strcmp(HostWithPortPtr(), aKey);
     105             :     }
     106             : 
     107           0 :     static KeyTypePointer KeyToPointer(KeyType aKey)
     108             :     {
     109           0 :       return aKey;
     110             :     }
     111             : 
     112           0 :     static PLDHashNumber HashKey(KeyTypePointer aKey)
     113             :     {
     114           0 :       return PLDHashTable::HashStringKey(aKey);
     115             :     }
     116             : 
     117             :     enum { ALLOW_MEMMOVE = false };
     118             : 
     119             :     // get methods
     120             :     inline const nsCString &HostWithPort() const { return mHostWithPort; }
     121             : 
     122           0 :     inline KeyTypePointer HostWithPortPtr() const
     123             :     {
     124           0 :       return mHostWithPort.get();
     125             :     }
     126             : 
     127             :     nsCertOverride mSettings;
     128             :     nsCString mHostWithPort;
     129             : };
     130             : 
     131             : class nsCertOverrideService final : public nsICertOverrideService
     132             :                                   , public nsIObserver
     133             :                                   , public nsSupportsWeakReference
     134             : {
     135             : public:
     136             :   NS_DECL_THREADSAFE_ISUPPORTS
     137             :   NS_DECL_NSICERTOVERRIDESERVICE
     138             :   NS_DECL_NSIOBSERVER
     139             : 
     140             :   nsCertOverrideService();
     141             : 
     142             :   nsresult Init();
     143             :   void RemoveAllTemporaryOverrides();
     144             : 
     145             :   typedef void
     146             :   (*CertOverrideEnumerator)(const nsCertOverride &aSettings,
     147             :                             void *aUserData);
     148             : 
     149             :   // aCert == null: return all overrides
     150             :   // aCert != null: return overrides that match the given cert
     151             :   nsresult EnumerateCertOverrides(nsIX509Cert *aCert,
     152             :                                   CertOverrideEnumerator enumerator,
     153             :                                   void *aUserData);
     154             : 
     155             :     // Concates host name and the port number. If the port number is -1 then
     156             :     // port 443 is automatically used. This method ensures there is always a port
     157             :     // number separated with colon.
     158             :     static void GetHostWithPort(const nsACString & aHostName, int32_t aPort, nsACString& _retval);
     159             : 
     160             : protected:
     161             :     ~nsCertOverrideService();
     162             : 
     163             :     mozilla::Mutex mMutex;
     164             :     nsCOMPtr<nsIFile> mSettingsFile;
     165             :     nsTHashtable<nsCertOverrideEntry> mSettingsTable;
     166             : 
     167             :     SECOidTag mOidTagForStoringNewHashes;
     168             :     nsCString mDottedOidForStoringNewHashes;
     169             : 
     170             :     void CountPermanentOverrideTelemetry(const mozilla::MutexAutoLock& aProofOfLock);
     171             : 
     172             :     void RemoveAllFromMemory();
     173             :     nsresult Read(const mozilla::MutexAutoLock& aProofOfLock);
     174             :     nsresult Write(const mozilla::MutexAutoLock& aProofOfLock);
     175             :     nsresult AddEntryToList(const nsACString &host, int32_t port,
     176             :                             nsIX509Cert *aCert,
     177             :                             const bool aIsTemporary,
     178             :                             const nsACString &algo_oid,
     179             :                             const nsACString &fingerprint,
     180             :                             nsCertOverride::OverrideBits ob,
     181             :                             const nsACString &dbKey,
     182             :                             const mozilla::MutexAutoLock& aProofOfLock);
     183             : };
     184             : 
     185             : #define NS_CERTOVERRIDE_CID { /* 67ba681d-5485-4fff-952c-2ee337ffdcd6 */ \
     186             :     0x67ba681d,                                                        \
     187             :     0x5485,                                                            \
     188             :     0x4fff,                                                            \
     189             :     {0x95, 0x2c, 0x2e, 0xe3, 0x37, 0xff, 0xdc, 0xd6}                   \
     190             :   }
     191             : 
     192             : #endif // nsCertOverrideService_h

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