Security-54.tar.gz

[apple/security.git] / SecurityServer / MacYarrow / YarrowServer / entropyFileUnix.c

diff --git a/SecurityServer/MacYarrow/YarrowServer/entropyFileUnix.c b/SecurityServer/MacYarrow/YarrowServer/entropyFileUnix.c
deleted file mode 100644 (file)
index 89ab1f7..0000000
--- a/SecurityServer/MacYarrow/YarrowServer/entropyFileUnix.c
+++ /dev/null
@@ -1,189 +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.
- */
-
-
-/*
-       File:           entropyFileUnix.c
-
-       Contains:       Module to maintain MacYarrow's entropy file, UNIX version.
-
-       Written by:     Doug Mitchell
-
-       Copyright: (c) 2000 by Apple Computer, Inc., all rights reserved.
-
-       Change History (most recent first):
-
-               05/22/00        dpm             Created.
- 
-*/
-
-#include "entropyFile.h"
-#include "debug.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <string.h>
-#include <CoreServices/../Frameworks/CarbonCore.framework/Headers/MacErrors.h>
-
-/*
- * For now we use the same file location for all builds. Generally for
- * debugging - when this code is not running as root - you need to do
- * the following once per system before using this code:
- *
- * > su to root
- * # touch /var/db/SystemEntropyCache
- * # chmod 666 /var/db/SystemEntropyCache
- */
-#define DEFAULT_ENTROPY_FILE_PATH              "/var/db/SystemEntropyCache"
-
-/* NULL ==> use default, else use caller-specified path */
-static char *entropyFilePath = NULL;
-
-static OSErr errNoToOSErr(int err)
-{
-       switch(err) {
-               case ENOENT:
-                       return fnfErr;
-               case EPERM:
-                       return permErr;
-               /* anything else interesting? */
-               default:
-                       return ioErr;
-       }
-}
-
-static char *getEntropyFilePath()
-{
-       if(entropyFilePath) {
-               return entropyFilePath;
-       }
-       else {
-               return DEFAULT_ENTROPY_FILE_PATH;
-       }
-}
-
-/*
- * Specify optional entropy file path. If this is never called,
- * this module will use its own default path. 
- */
-OSErr setEntropyFilePath(
-       const char *path)
-{
-       unsigned len;
-       
-       if(entropyFilePath) {
-               free(entropyFilePath);
-               entropyFilePath = NULL;
-       }
-       if(path == NULL) {
-               return noErr;
-       }
-       len = strlen(path);
-       if(len > 255) {
-               /* no can do */
-               return bdNamErr;
-       }
-       entropyFilePath = malloc(len + 1);
-       if(entropyFilePath == NULL) {
-               return memFullErr;
-       }
-       memmove(entropyFilePath, path, len + 1);
-       return noErr;
-}
-
-/*
- * Write specified data to entropy file. A new file will be created
- * if none exists. Existing file's data is replaced with caller's data.
- */
-OSErr writeEntropyFile(
-       UInt8           *bytes,
-       UInt32          numBytes)
-{
-       int             rtn;
-       int     fd;
-       OSErr   ortn;
-       
-       fd = open(getEntropyFilePath(), O_RDWR | O_CREAT | O_TRUNC, 0600);
-       if(fd <= 0) {
-               rtn = errno;
-               errorLog1("writeEntropyFile: open returned %d\n", rtn);
-               return errNoToOSErr(rtn);
-       }
-       rtn = lseek(fd, 0, SEEK_SET);
-       if(rtn < 0) {
-               rtn = errno;
-               errorLog1("writeEntropyFile: lseek returned %d\n", rtn);
-               return errNoToOSErr(rtn);
-       }
-       rtn = write(fd, bytes, (size_t)numBytes);
-       if(rtn != (int)numBytes) {
-               if(rtn < 0) {
-                       errorLog1("writeEntropyFile: write() returned %d\n", rtn);
-                       ortn = errNoToOSErr(errno);
-               }
-               else {
-                       errorLog0("writeEntropyFile(): short write\n");
-                       ortn = ioErr;
-               }
-       }
-       else {
-               ortn = noErr;
-       }
-       close(fd);
-       return ortn;
-}
-       
-/*
- * Read data from entropy file.
- */
-OSErr readEntropyFile(
-       UInt8           *bytes,
-       UInt32          numBytes,               // max # of bytes to read
-       UInt32          *actualBytes)   // RETURNED - number of bytes actually read
-{
-       int rtn;
-       int fd;
-       OSErr ortn;
-       
-       *actualBytes = 0;
-       fd = open(getEntropyFilePath(), O_RDONLY, 0);
-       if(fd <= 0) {
-               rtn = errno;
-               errorLog1("readEntropyFile: open returned %d\n", rtn);
-               return errNoToOSErr(rtn);
-       }
-       rtn = lseek(fd, 0, SEEK_SET);
-       if(rtn < 0) {
-               rtn = errno;
-               errorLog1("readEntropyFile: lseek returned %d\n", rtn);
-               return errNoToOSErr(rtn);
-       }
-       rtn = read(fd, bytes, (size_t)numBytes);
-       if(rtn < 0) {
-               errorLog1("readEntropyFile: read() returned %d\n", rtn);
-               ortn = errNoToOSErr(errno);
-       }
-       else {
-               *actualBytes = (UInt32)rtn;
-               ortn = noErr;
-       }
-       close(fd);
-       return ortn;
-}