libsecurity_cdsa_utilities/lib/AuthorizationData.h

   1 /*
   2  * Copyright (c) 2000,2002-2006 Apple Computer, 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     void copy(AuthorizationValueVector **data, size_t *length) const;
 100 };
 101
 102
 103
 104 class AuthItemRef;
 105
 106 class AuthItem : public RefCount
 107 {
 108     friend class AuthItemRef;
 109 private:
 110     AuthItem(const AuthItem& item);
 111 protected:
 112     AuthItem(const AuthorizationItem &item);
 113     AuthItem(AuthorizationString name);
 114     AuthItem(AuthorizationString name, AuthorizationValue value);
 115     AuthItem(AuthorizationString name, AuthorizationValue value, AuthorizationFlags flags);
 116
 117     bool operator < (const AuthItem &other) const;
 118
 119 public:
 120     AuthItem &operator = (const AuthItem &other);
 121     ~AuthItem();
 122
 123     void fillInAuthorizationItem(AuthorizationItem &item);
 124
 125     AuthorizationString name() const { return mName; }
 126     const AuthorizationValue& value() const { return mValue; }
 127         string stringValue() const { return string(static_cast<char *>(mValue.data), mValue.length); }
 128     AuthorizationFlags flags() const { return mFlags; }
 129         void setFlags(AuthorizationFlags inFlags) { mFlags = inFlags; };
 130
 131 private:
 132     AuthorizationString mName;
 133     AuthorizationValue mValue;
 134     AuthorizationFlags mFlags;
 135     mutable bool mOwnsName;
 136     mutable bool mOwnsValue;
 137
 138 public:
 139         bool getBool(bool &value);
 140         bool getString(string &value);
 141         bool getCssmData(CssmAutoData &value);
 142 };
 143
 144 class AuthItemRef : public RefPointer<AuthItem>
 145 {
 146 public:
 147     AuthItemRef(const AuthorizationItem &item);
 148     AuthItemRef(AuthorizationString name);
 149     AuthItemRef(AuthorizationString name, AuthorizationValue value, AuthorizationFlags flags = 0);
 150
 151     bool operator < (const AuthItemRef &other) const
 152     {
 153         return **this < *other;
 154     }
 155 };
 156
 157 // set should become a member with accessors
 158 class AuthItemSet : public set<AuthItemRef>
 159 {
 160 public:
 161     AuthItemSet();
 162     ~AuthItemSet();
 163     AuthItemSet(const AuthorizationItemSet *item);
 164     AuthItemSet(const AuthItemSet& itemSet);
 165
 166     AuthItemSet &operator = (const AuthorizationItemSet& itemSet);
 167     AuthItemSet &operator = (const AuthItemSet& itemSet);
 168
 169         void copy(AuthorizationItemSet *&data, size_t &length, Allocator &alloc = Allocator::standard()) const;
 170         AuthorizationItemSet *copy() const;
 171
 172         char *firstItemName;
 173
 174 public:
 175         AuthItem *find(const char *name);
 176
 177 private:
 178         void duplicate(const AuthItemSet& itemSet);
 179 };
 180
 181 class FindAuthItemByRightName
 182 {
 183 public:
 184     FindAuthItemByRightName(const char *find_name) : name(find_name) { }
 185
 186     bool operator()( const AuthItemRef& authitem )
 187     {
 188         return (!strcmp(name, authitem->name()));
 189     }
 190     bool operator()( const AuthorizationItem* authitem )
 191     {
 192         return (!strcmp(name, authitem->name));
 193     }
 194
 195 private:
 196     const char *name;
 197 };
 198
 199 }; // namespace Authorization
 200
 201 #endif /* ! _H_AUTHORIZATIONDATA */