Security-57336.1.9.tar.gz

[apple/security.git] / Security / libsecurity_ssl / lib / sslMemory.c

diff --git a/Security/libsecurity_ssl/lib/sslMemory.c b/Security/libsecurity_ssl/lib/sslMemory.c
deleted file mode 100644 (file)
index 831b886..0000000
--- a/Security/libsecurity_ssl/lib/sslMemory.c
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
- * Copyright (c) 1999-2001,2005-2007,2010-2012,2014 Apple Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
- * The 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.
- * 
- * @APPLE_LICENSE_HEADER_END@
- */
-
-/*
- * sslMemory.c - Memory allocator implementation
- */
-
-/* THIS FILE CONTAINS KERNEL CODE */
-
-#include "sslMemory.h"
-#include "sslDebug.h"
-
-#include <string.h>                    /* memset */
-#include <AssertMacros.h>
-
-// MARK: -
-// MARK: Basic low-level malloc/free
-
-/*
- * For now, all allocs/frees go thru here.
- */
-
-#ifdef KERNEL
-
-/* BSD Malloc */
-#include <sys/malloc.h>
-#include <IOKit/IOLib.h>
-#include <libkern/libkern.h>
-
-/* Define this for debugging sslMalloc and sslFree */
-//#define SSL_CANARIS
-
-void *
-sslMalloc(size_t length)
-{
-    void *p;
-
-#ifdef SSL_CANARIS
-    length+=8;
-#endif
-    
-    p = _MALLOC(length, M_TEMP, M_WAITOK);
-    check(p);
-    
-    if(p==NULL)
-        return p;
-    
-#ifdef SSL_CANARIS
-    *(uint32_t *)p=(uint32_t)length-8;
-    printf("sslMalloc @%p of 0x%08lx bytes\n", p, length-8);
-    *(uint32_t *)(p+length-4)=0xdeadbeed;
-    p+=4;
-#endif
-
-    return p;
-}
-
-void
-sslFree(void *p)
-{
-       if(p != NULL) {
-
-#ifdef SSL_CANARIS
-        p=p-4;
-        uint32_t len=*(uint32_t *)p;
-        uint32_t marker=*(uint32_t *)(p+4+len);
-        printf("sslFree @%p len=0x%08x\n", p, len);
-        if(marker!=0xdeadbeef)
-            panic("Buffer overflow in SSL!\n");
-#endif
-        
-        _FREE(p, M_TEMP);
-       }
-}
-
-void *
-sslRealloc(void *oldPtr, size_t oldLen, size_t newLen)
-{
-    /* _REALLOC is in sys/malloc.h but is only exported in debug kernel */
-    /* return _REALLOC(oldPtr, newLen, M_TEMP, M_NOWAIT); */
-
-    /* FIXME */
-    void *newPtr;
-    if(newLen>oldLen) {
-        newPtr=sslMalloc(newLen);
-        if(newPtr) {
-            memcpy(newPtr, oldPtr, oldLen);
-            sslFree(oldPtr);
-        }
-    } else {
-        newPtr=oldPtr;
-    }
-    return newPtr;
-}
-
-#else
-
-#include <stdlib.h>
-
-void *
-sslMalloc(size_t length)
-{
-       return malloc(length);
-}
-
-void
-sslFree(void *p)
-{   
-       if(p != NULL) {
-               free(p);
-       }
-}
-
-void *
-sslRealloc(void *oldPtr, size_t oldLen, size_t newLen)
-{
-       return realloc(oldPtr, newLen);
-}
-
-#endif
-
-// MARK: -
-// MARK: SSLBuffer-level alloc/free
-
-int SSLAllocBuffer(
-       SSLBuffer *buf,
-       size_t length)
-{
-       buf->data = (uint8_t *)sslMalloc(length);
-       if(buf->data == NULL) {
-        sslErrorLog("SSLAllocBuffer: NULL buf!\n");
-        check(0);
-               buf->length = 0;
-               return -1;
-       }
-    buf->length = length;
-    return 0;
-}
-
-int
-SSLFreeBuffer(SSLBuffer *buf)
-{   
-       if(buf == NULL) {
-               sslErrorLog("SSLFreeBuffer: NULL buf!\n");
-        check(0);
-               return -1;
-       }
-    sslFree(buf->data);
-    buf->data = NULL;
-    buf->length = 0;
-    return 0;
-}
-
-int
-SSLReallocBuffer(SSLBuffer *buf, size_t newSize)
-{   
-       buf->data = (uint8_t *)sslRealloc(buf->data, buf->length, newSize);
-       if(buf->data == NULL) {
-        sslErrorLog("SSLReallocBuffer: NULL buf!\n");
-        check(0);
-               buf->length = 0;
-               return -1;
-       }
-       buf->length = newSize;
-       return 0;
-}
-
-// MARK: -
-// MARK: Convenience routines
-
-uint8_t *sslAllocCopy(
-       const uint8_t *src,
-       size_t len)
-{
-       uint8_t *dst;
-       
-       dst = (uint8_t *)sslMalloc(len);
-       if(dst == NULL) {
-               return NULL;
-       }
-       memmove(dst, src, len);
-       return dst;
-}
-
-int SSLAllocCopyBuffer(
-       const SSLBuffer *src, 
-       SSLBuffer **dst)                // buffer and data mallocd and returned 
-{   
-       int serr;
-       
-       SSLBuffer *rtn = (SSLBuffer *)sslMalloc(sizeof(SSLBuffer));
-       if(rtn == NULL) {
-        sslErrorLog("SSLAllocCopyBuffer: NULL buf!\n");
-        check(0);
-               return -1;
-       }
-       serr = SSLCopyBuffer(src, rtn);
-       if(serr) {
-               sslFree(rtn);
-       }
-       else {
-               *dst = rtn;
-       }
-       return serr;
-}
-
-int SSLCopyBufferFromData(
-       const void *src,
-       size_t len,
-       SSLBuffer *dst)         // data mallocd and returned 
-{   
-       dst->data = sslAllocCopy((const uint8_t *)src, len);
-       if(dst->data == NULL) {
-        sslErrorLog("SSLCopyBufferFromData: NULL buf!\n");
-        check(0);
-               return -1;
-       }
-    dst->length = len;
-    return 0;
-}
-
-int SSLCopyBuffer(
-       const SSLBuffer *src, 
-       SSLBuffer *dst)         // data mallocd and returned 
-{   
-       return SSLCopyBufferFromData(src->data, src->length, dst);
-}
-