SecurityServer/server.h

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 //
  20 // server - the actual Server object
  21 //
  22 #ifndef _H_SERVER
  23 #define _H_SERVER
  24
  25 #include "securityserver.h"
  26 #include <Security/machserver.h>
  27 #include <Security/powerwatch.h>
  28 #include <Security/cssmclient.h>
  29 #include <Security/cspclient.h>
  30 #include <Security/osxsigner.h>
  31 #include <Security/devrandom.h>
  32 #include <Security/uniformrandom.h>
  33 #include "connection.h"
  34 #include "key.h"
  35 #include "xdatabase.h"
  36 #include "authority.h"
  37 #include <map>
  38
  39
  40 class Server : public MachPlusPlus::MachServer,
  41                public UniformRandomBlobs<DevRandomGenerator> {
  42 public:
  43         Server(Authority &myAuthority, const char *bootstrapName);
  44         ~Server();
  45
  46     // run the server until it shuts down
  47         void run();
  48
  49     //
  50     // Retrieve pieces of the Server's object web.
  51     // These are all static methods that use the active() Server of this thread.
  52     //
  53         static Server &active() { return safer_cast<Server &>(MachServer::active()); }
  54
  55         static Connection &connection(mach_port_t replyPort);
  56         static Connection &connection(bool tolerant = false);
  57         static void requestComplete();
  58
  59         static Key &key(KeyHandle key)
  60         { return findHandle<Key>(key, CSSMERR_CSP_INVALID_KEY); }
  61     static Key *optionalKey(KeyHandle k) { return (k == noKey) ? NULL : &key(k); }
  62         static Database &database(DbHandle db)
  63         { return findHandle<Database>(db, CSSMERR_DL_INVALID_DB_HANDLE); }
  64         static Database *optionalDatabase(DbHandle db) { return db ? &database(db) : NULL; }
  65     static Authority &authority() { return active().mAuthority; }
  66         static CodeSigning::OSXSigner &signer() { return active().mSigner; }
  67         static SecurityServerAcl &aclBearer(AclKind kind, CSSM_HANDLE handle);
  68         static CssmClient::CSP &csp() { return active().getCsp(); }
  69
  70     void loadCssm()     { getCsp(); }
  71
  72 public:
  73         void setupConnection(Port replyPort, Port taskPort,
  74         const security_token_t &securityToken, const char *executablePath);
  75     Process *resetConnection();
  76         void endConnection(Port replyPort);
  77
  78         static void releaseWhenDone(CssmAllocator &alloc, void *memory)
  79         { MachServer::active().releaseWhenDone(alloc, memory); }
  80         static void releaseWhenDone(void *memory)
  81         { releaseWhenDone(CssmAllocator::standard(), memory); }
  82
  83 protected:
  84     // implementation methods of MachServer
  85         boolean_t handle(mach_msg_header_t *in, mach_msg_header_t *out);
  86         void notifyDeadName(Port port);
  87
  88 private:
  89     class SleepWatcher : public MachPlusPlus::PortPowerWatcher {
  90     public:
  91         void systemWillSleep();
  92     };
  93     SleepWatcher sleepWatcher;
  94
  95 private:
  96         Mutex lock;                                     // master lock
  97
  98         // map of connections (by client reply port)
  99         typedef map<mach_port_t, Connection *> ConnectionMap;
 100         ConnectionMap connections;
 101
 102         // map of processes (by process task port)
 103         typedef map<mach_port_t, Process *> ProcessMap;
 104         ProcessMap processes;
 105
 106         // Current connection, if any (per thread).
 107         // Set as a side effect of calling the connection() method.
 108         PerThreadPointer<Connection> mCurrentConnection;
 109
 110     // CSSM components
 111     CssmClient::Cssm mCssm;
 112     CssmClient::Module mCSPModule;
 113         CssmClient::CSP mCSP;
 114     CssmClient::CSP &getCsp();
 115
 116         Authority &mAuthority;
 117         CodeSigning::OSXSigner mSigner;
 118 };
 119
 120 #endif //_H_SERVER