OSX/libsecurity_cdsa_utilities/lib/AuthorizationData.h

   1 /*
   2  * Copyright (c) 2000,2002-2006,2011,2014 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 /*
  26  *  AuthorizationData.h
  27  *  Authorization
  28  */
  29
  30 #ifndef _H_AUTHORIZATIONDATA
  31 #define _H_AUTHORIZATIONDATA  1
  32
  33 #include <Security/Authorization.h>
  34 #include <Security/AuthorizationPlugin.h>
  35 #include <security_cdsa_utilities/cssmdata.h>
  36 #include <CoreFoundation/CFDate.h>
  37
  38 #include <security_utilities/refcount.h>
  39 #include <security_utilities/alloc.h>
  40
  41 #include <map>
  42 #include <set>
  43 #include <string>
  44
  45 // ptrdiff_t needed, so including STL type closest
  46 #include <vector>
  47
  48 // @@@ Should consider making the various types better citizens by taking an Allocator, for now values are wiped.
  49
  50 namespace Authorization
  51 {
  52
  53 class AuthValueOverlay : public AuthorizationValue
  54 {
  55 public:
  56         AuthValueOverlay(const string& stringValue) { length = stringValue.length(); data = const_cast<char *>(stringValue.c_str()); }
  57         AuthValueOverlay(UInt32 inLength, void *inData) { length = inLength; data = inData; }
  58 };
  59
  60 class AuthValueRef;
  61
  62 class AuthValue : public RefCount
  63 {
  64         friend class AuthValueRef;
  65 private:
  66         AuthValue(const AuthValue& value) {}
  67 protected:
  68         AuthValue(const AuthorizationValue &value);
  69         AuthValue(UInt32 length, void *data);
  70 public:
  71     AuthValue &operator = (const AuthValue &other);
  72     ~AuthValue();
  73     void fillInAuthorizationValue(AuthorizationValue &value);
  74     const AuthorizationValue& value() const { return mValue; }
  75 private:
  76     AuthorizationValue mValue;
  77     mutable bool mOwnsValue;
  78 };
  79
  80 // AuthValueRef impl
  81 class AuthValueRef : public RefPointer<AuthValue>
  82 {
  83 public:
  84     AuthValueRef(const AuthValue &value);
  85     AuthValueRef(const AuthorizationValue &value);
  86     AuthValueRef(UInt32 length, void *data);
  87 };
  88
  89
  90 // vector should become a member with accessors
  91 class AuthValueVector : public vector<AuthValueRef>
  92 {
  93 public:
  94     AuthValueVector() {}
  95     ~AuthValueVector() {}
  96
  97     AuthValueVector &operator = (const AuthorizationValueVector& valueVector);
  98 };
  99
 100
 101
 102 class AuthItemRef;
 103
 104 class AuthItem : public RefCount
 105 {
 106     friend class AuthItemRef;
 107 private:
 108     AuthItem(const AuthItem& item);
 109 protected:
 110     AuthItem(const AuthorizationItem &item);
 111     AuthItem(AuthorizationString name);
 112     AuthItem(AuthorizationString name, AuthorizationValue value);
 113     AuthItem(AuthorizationString name, AuthorizationValue value, AuthorizationFlags flags);
 114
 115     bool operator < (const AuthItem &other) const;
 116
 117 public:
 118     AuthItem &operator = (const AuthItem &other);
 119     ~AuthItem();
 120
 121     AuthorizationString name() const { return mName; }
 122     const AuthorizationValue& value() const { return mValue; }
 123         string stringValue() const { return string(static_cast<char *>(mValue.data), mValue.length); }
 124     AuthorizationFlags flags() const { return mFlags; }
 125         void setFlags(AuthorizationFlags inFlags) { mFlags = inFlags; };
 126
 127 private:
 128     AuthorizationString mName;
 129     AuthorizationValue mValue;
 130     AuthorizationFlags mFlags;
 131     mutable bool mOwnsName;
 132     mutable bool mOwnsValue;
 133
 134 public:
 135         bool getString(string &value);
 136         bool getCssmData(CssmAutoData &value);
 137 };
 138
 139 class AuthItemRef : public RefPointer<AuthItem>
 140 {
 141 public:
 142     AuthItemRef(const AuthorizationItem &item);
 143     AuthItemRef(AuthorizationString name);
 144     AuthItemRef(AuthorizationString name, AuthorizationValue value, AuthorizationFlags flags = 0);
 145
 146     bool operator < (const AuthItemRef &other) const
 147     {
 148         return **this < *other;
 149     }
 150 };
 151
 152 // set should become a member with accessors
 153 class AuthItemSet : public set<AuthItemRef>
 154 {
 155 public:
 156     AuthItemSet();
 157     ~AuthItemSet();
 158     AuthItemSet(const AuthorizationItemSet *item);
 159     AuthItemSet(const AuthItemSet& itemSet);
 160
 161     AuthItemSet &operator = (const AuthorizationItemSet& itemSet);
 162     AuthItemSet &operator = (const AuthItemSet& itemSet);
 163
 164 public:
 165         AuthItem *find(const char *name);
 166 };
 167
 168 class FindAuthItemByRightName
 169 {
 170 public:
 171     FindAuthItemByRightName(const char *find_name) : name(find_name) { }
 172
 173     bool operator()( const AuthItemRef& authitem )
 174     {
 175         return (!strcmp(name, authitem->name()));
 176     }
 177     bool operator()( const AuthorizationItem* authitem )
 178     {
 179         return (!strcmp(name, authitem->name));
 180     }
 181
 182 private:
 183     const char *name;
 184 };
 185
 186 }; // namespace Authorization
 187
 188 #endif /* ! _H_AUTHORIZATIONDATA */