Security-57031.1.35.tar.gz

[apple/security.git] / libsecurity_cdsa_plugin / lib / csputilities.cpp

diff --git a/libsecurity_cdsa_plugin/lib/csputilities.cpp b/libsecurity_cdsa_plugin/lib/csputilities.cpp
deleted file mode 100644 (file)
index 467cdd5..0000000
--- a/libsecurity_cdsa_plugin/lib/csputilities.cpp
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
- * 
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
- * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
- * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
- * specific language governing rights and limitations under the License.
- */
-
-
-//
-// csputilities - utility classes for CSP implementation
-//
-#include <security_cdsa_plugin/CSPsession.h>
-#include <security_cdsa_plugin/cssmplugin.h>
-#include <security_utilities/memutils.h>
-#include <security_cdsa_utilities/cssmdates.h>
-
-using LowLevelMemoryUtilities::increment;
-
-
-//
-// Writer objects
-//
-CSPFullPluginSession::Writer::Writer(CssmData *v, uint32 n, CssmData *rem)
-: vec(v), firstVec(v), lastVec(v + n - 1), remData(rem)
-{
-    if (vec == NULL || n == 0)
-        CssmError::throwMe(CSSMERR_CSP_INVALID_OUTPUT_VECTOR); // CDSA p.253, amended
-       useData(vec);
-    written = 0;
-}
-
-void CSPFullPluginSession::Writer::allocate(size_t needed, Allocator &alloc)
-{
-       if (!needed)
-               return; // No output buffer space needed so we're done.
-    else if (vec == firstVec && !*vec) {       // initial null vector element, wants allocation there
-        *vec = makeBuffer(needed, alloc);
-        lastVec = vec;         // ignore all subsequent buffers in vector
-               useData(vec);
-    } else {
-        // how much output space do we have left?
-        size_t size = currentSize;
-        for (CssmData *v = vec + 1; v <= lastVec; v++)
-            size += v->length();
-        if (size >= needed)
-            return;    // we're fine
-        if (remData) {
-            if (!*remData) {           // have overflow, can allocate
-                *remData = makeBuffer(needed - size, alloc);
-                return;        // got it
-            }
-            if (size + remData->length() >= needed)
-                return;        // will fit into overflow
-        }
-        // not enough buffer space, and can't allocate
-        CssmError::throwMe(CSSMERR_CSP_OUTPUT_LENGTH_ERROR);
-    }
-}
-
-void CSPFullPluginSession::Writer::nextBlock(void * &ptr, size_t &size)
-{
-    ptr = currentBuffer;
-    size = currentSize;
-}
-
-void CSPFullPluginSession::Writer::use(size_t used)
-{
-    assert(used <= currentSize);
-    written += used;
-    if (used < currentSize) {
-        currentBuffer = increment(currentBuffer, used);
-        currentSize -= used;
-    } else {
-        if (vec < lastVec) {
-            useData(vec++);                            // use next vector buffer
-        } else if (vec == lastVec && remData) {
-            useData(remData);                  // use remainder buffer
-            vec++;                                             // mark used
-#if !defined(NDEBUG) && 0
-        } else if (vec == lastVec) {
-            vec++;
-        } else if (vec > lastVec) {
-            assert(false);                             // 2nd try to overflow end
-#endif /* !NDEBUG */
-        } else {
-            currentBuffer = NULL;              // no more output buffer
-            currentSize = 0;
-        }
-    }
-}
-
-void CSPFullPluginSession::Writer::put(void *addr, size_t size)
-{
-    while (size > 0) {
-        void *p; size_t sz;
-        nextBlock(p, sz);
-        if (size < sz)
-            sz = size; // cap transfer
-        memcpy(p, addr, sz);
-        use(sz);
-        addr = increment(addr, sz);
-        size -= sz;
-    }
-}
-
-size_t CSPFullPluginSession::Writer::close()
-{
-    return written;
-}
-
-
-//
-// Common algorithm utilities
-//
-void CSPFullPluginSession::setKey(CssmKey &key,
-                                                                 const Context &context, CSSM_KEYCLASS keyClass,
-                                                                 CSSM_KEYATTR_FLAGS attrs, CSSM_KEYUSE use)
-{
-    // general setup
-    memset(&key.KeyHeader, 0, sizeof(key.KeyHeader));
-    key.KeyHeader.HeaderVersion = CSSM_KEYHEADER_VERSION;
-    key.KeyHeader.CspId = plugin.myGuid();
-    key.KeyHeader.AlgorithmId = context.algorithm();
-    key.KeyHeader.KeyClass = keyClass;
-    key.KeyHeader.KeyUsage = use;
-    key.KeyHeader.KeyAttr = attrs;
-
-       CssmDate *theDate = context.get<CssmDate>(CSSM_ATTRIBUTE_START_DATE);
-       if(theDate) {
-               key.KeyHeader.StartDate = *theDate;
-       }
-       theDate = context.get<CssmDate>(CSSM_ATTRIBUTE_END_DATE);
-       if(theDate) {
-               key.KeyHeader.EndDate = *theDate;
-       }
-
-    // defaults (change as needed)
-    key.KeyHeader.WrapAlgorithmId = CSSM_ALGID_NONE;
-    
-    // clear key data (standard says, "Always allocate this, ignore prior contents.")
-    key = CssmData();
-}