int
processBootOptions()
{
const char * cp = gBootArgs;
const char * val = 0;
const char * kernel;
int cnt;
int userCnt;
int cntRemaining;
char * argP;
char uuidStr[64];
bool uuidSet = false;
char * configKernelFlags;
char * valueBuffer;
valueBuffer = malloc(VALUE_SIZE);
skipblanks( &cp );
// Update the unit and partition number.
if ( gBootVolume )
{
if (!( gBootVolume->flags & kBVFlagNativeBoot ))
{
readBootSector( gBootVolume->biosdev, gBootVolume->part_boff,
(void *) 0x7c00 );
//
// Setup edx, and signal intention to chain load the
// foreign booter.
//
chainbootdev = gBootVolume->biosdev;
chainbootflag = 1;
return 1;
}
setRootVolume(gBootVolume);
}
// If no boot volume fail immediately because we're just going to fail
// trying to load the config file anyway.
else
return -1;
// Load config table specified by the user, or use the default.
if (!getValueForBootKey(cp, "config", &val, &cnt)) {
val = 0;
cnt = 0;
}
// Load com.apple.Boot.plist from the selected volume
// and use its contents to override default bootConfig.
// This is not a mandatory operation anymore.
loadOverrideConfig(&bootInfo->overrideConfig);
// Use the kernel name specified by the user, or fetch the name
// in the config table, or use the default if not specified.
// Specifying a kernel name on the command line, or specifying
// a non-default kernel name in the config file counts as
// overriding the kernel, which causes the kernelcache not
// to be used.
gOverrideKernel = false;
if (( kernel = extractKernelName((char **)&cp) )) {
strcpy( bootInfo->bootFile, kernel );
gOverrideKernel = true;
} else {
if ( getValueForKey( kKernelNameKey, &val, &cnt, &bootInfo->bootConfig ) ) {
strlcpy( bootInfo->bootFile, val, cnt+1 );
if (strcmp( bootInfo->bootFile, kDefaultKernel ) != 0) {
gOverrideKernel = true;
}
} else {
strcpy( bootInfo->bootFile, kDefaultKernel );
}
}
cntRemaining = BOOT_STRING_LEN - 2; // save 1 for NULL, 1 for space
argP = bootArgs->CommandLine;
// Get config table kernel flags, if not ignored.
if (getValueForBootKey(cp, kIgnoreBootFileFlag, &val, &cnt) ||
!getValueForKey( kKernelFlagsKey, &val, &cnt, &bootInfo->bootConfig )) {
val = "";
cnt = 0;
}
configKernelFlags = malloc(cnt + 1);
strlcpy(configKernelFlags, val, cnt + 1);
if (processBootArgument(kBootUUIDKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, 0)) {
// boot-uuid was set either on the command-line
// or in the config file.
uuidSet = true;
} else {
//
// Try an alternate method for getting the root UUID on boot helper partitions.
//
if (gBootVolume->flags & kBVFlagBooter)
{
if((loadHelperConfig(&bootInfo->helperConfig) == 0)
&& getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig) )
{
getValueForKey(kHelperRootUUIDKey, &val, &cnt, &bootInfo->helperConfig);
copyArgument(kBootUUIDKey, val, cnt, &argP, &cntRemaining);
uuidSet = true;
}
}
if (!uuidSet && gBootVolume->fs_getuuid && gBootVolume->fs_getuuid (gBootVolume, uuidStr) == 0) {
verbose("Setting boot-uuid to: %s\n", uuidStr);
copyArgument(kBootUUIDKey, uuidStr, strlen(uuidStr), &argP, &cntRemaining);
uuidSet = true;
}
}
if (!processBootArgument(kRootDeviceKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, gRootDevice)) {
cnt = 0;
if ( getValueForKey( kBootDeviceKey, &val, &cnt, &bootInfo->bootConfig)) {
valueBuffer[0] = '*';
cnt++;
strlcpy(valueBuffer + 1, val, cnt);
val = valueBuffer;
} else {
if (uuidSet) {
val = "*uuid";
cnt = 5;
} else {
// Don't set "rd=.." if there is no boot device key
// and no UUID.
val = "";
cnt = 0;
}
}
if (cnt > 0) {
copyArgument( kRootDeviceKey, val, cnt, &argP, &cntRemaining);
}
strlcpy( gRootDevice, val, (cnt + 1));
}
/*
* Removed. We don't need this anymore.
*
if (!processBootArgument(kPlatformKey, cp, configKernelFlags, bootInfo->config, &argP, &cntRemaining, gPlatformName)) {
getPlatformName(gPlatformName);
copyArgument(kPlatformKey, gPlatformName, strlen(gPlatformName), &argP, &cntRemaining);
}
*/
if (!getValueForBootKey(cp, kSafeModeFlag, &val, &cnt) &&
!getValueForBootKey(configKernelFlags, kSafeModeFlag, &val, &cnt)) {
if (gBootMode & kBootModeSafe) {
copyArgument(0, kSafeModeFlag, strlen(kSafeModeFlag), &argP, &cntRemaining);
}
}
// Store the merged kernel flags and boot args.
cnt = strlen(configKernelFlags);
if (cnt) {
if (cnt > cntRemaining) {
error("Warning: boot arguments too long, truncating\n");
cnt = cntRemaining;
}
strncpy(argP, configKernelFlags, cnt);
argP[cnt++] = ' ';
cntRemaining -= cnt;
}
userCnt = strlen(cp);
if (userCnt > cntRemaining) {
error("Warning: boot arguments too long, truncating\n");
userCnt = cntRemaining;
}
strncpy(&argP[cnt], cp, userCnt);
argP[cnt+userCnt] = '\0';
if(!shouldboot)
{
gVerboseMode = getValueForKey( kVerboseModeFlag, &val, &cnt, &bootInfo->bootConfig ) ||
getValueForKey( kSingleUserModeFlag, &val, &cnt, &bootInfo->bootConfig );
gBootMode = ( getValueForKey( kSafeModeFlag, &val, &cnt, &bootInfo->bootConfig ) ) ?
kBootModeSafe : kBootModeNormal;
if ( getValueForKey( kIgnoreCachesFlag, &val, &cnt, &bootInfo->bootConfig ) ) {
gBootMode = kBootModeSafe;
}
}
if ( getValueForKey( kMKextCacheKey, &val, &cnt, &bootInfo->bootConfig ) )
{
strlcpy(gMKextName, val, cnt + 1);
}
free(configKernelFlags);
free(valueBuffer);
return 0;
}
int
processBootOptions()
{
const char *cp = gBootArgs;
const char *val = 0;
const char *kernel;
int cnt;
int userCnt;
int cntRemaining;
char *argP;
char *configKernelFlags;
char *valueBuffer;
valueBuffer = malloc(VALUE_SIZE);
skipblanks( &cp );
// Update the unit and partition number.
if ( gBootVolume ) {
if (!( gBootVolume->flags & kBVFlagNativeBoot )) {
readBootSector( gBootVolume->biosdev, gBootVolume->part_boff, (void *) 0x7c00 );
//
// Setup edx, and signal intention to chain load the
// foreign booter.
//
chainbootdev = gBootVolume->biosdev;
chainbootflag = 1;
return 1;
}
setRootVolume(gBootVolume);
}
// If no boot volume fail immediately because we're just going to fail
// trying to load the config file anyway.
else {
return -1;
}
// Find out which version mac os we're booting.
strncpy(gMacOSVersion, gBootVolume->OSVersion, sizeof(gMacOSVersion));
// Load config table specified by the user, or use the default.
if (!getValueForBootKey(cp, "config", &val, &cnt)) {
val = 0;
cnt = 0;
}
// Load com.apple.Boot.plist from the selected volume
// and use its contents to override default bootConfig.
loadSystemConfig(&bootInfo->bootConfig);
loadChameleonConfig(&bootInfo->chameleonConfig, NULL);
// Use the kernel name specified by the user, or fetch the name
// in the config table, or use the default if not specified.
// Specifying a kernel name on the command line, or specifying
// a non-default kernel name in the config file counts as
// overriding the kernel, which causes the kernelcache not
// to be used.
gOverrideKernel = false;
if (( kernel = extractKernelName((char **)&cp) ))
{
strlcpy( bootInfo->bootFile, kernel, sizeof(bootInfo->bootFile) );
}
else
{
if ( getValueForKey( kKernelNameKey, &val, &cnt, &bootInfo->bootConfig ) )
{
strlcpy( bootInfo->bootFile, val, cnt+1 );
}
else
{
if( YOSEMITE ) // is 10.10
{
strlcpy( bootInfo->bootFile, kOSXKernel, sizeof(bootInfo->bootFile) );
//printf(HEADER "/System/Library/Kernels/%s\n", bootInfo->bootFile);
}
else
{ // OSX is not 10.10
strlcpy( bootInfo->bootFile, kDefaultKernel, sizeof(bootInfo->bootFile) );
//printf(HEADER "/%s\n", bootInfo->bootFile);
}
}
}
if (!YOSEMITE) // not 10.10 so 10.9 and previus
{
if (strcmp( bootInfo->bootFile, kDefaultKernel ) != 0)
{
//printf(HEADER "org.chameleon.Boot.plist found path for custom '%s' found!\n", bootInfo->bootFile);
gOverrideKernel = true;
}
}
else
{ // OSX is 10.10
if (strcmp( bootInfo->bootFile, kOSXKernel ) != 0)
{
//printf(HEADER "org.chameleon.Boot.plist found path for custom '%s' found!\n", bootInfo->bootFile);
gOverrideKernel = true;
}
}
// Ermac : Inject "kext-dev-mode=1" if OS X 10.10 is detected
if( YOSEMITE ) // is 10.10
{
addBootArg("kext-dev-mode=1");
}
cntRemaining = BOOT_STRING_LEN - 2; // save 1 for NULL, 1 for space
argP = bootArgs->CommandLine;
// Get config kernel flags, if not ignored.
if (getValueForBootKey(cp, kIgnoreBootFileFlag, &val, &cnt) ||
!getValueForKey( kKernelFlagsKey, &val, &cnt, &bootInfo->bootConfig ))
{
val = "";
cnt = 0;
}
configKernelFlags = malloc(cnt + 1);
strlcpy(configKernelFlags, val, cnt + 1);
// boot-uuid can be set either on the command-line or in the config file
if (!processBootArgument(kBootUUIDKey, cp, configKernelFlags, bootInfo->config,
&argP, &cntRemaining, gBootUUIDString, sizeof(gBootUUIDString)))
{
//
// Try an alternate method for getting the root UUID on boot helper partitions.
//
if (gBootVolume->flags & kBVFlagBooter)
{
// Load the configuration store in the boot helper partition
if (loadHelperConfig(&bootInfo->helperConfig) == 0)
{
val = getStringForKey(kHelperRootUUIDKey, &bootInfo->helperConfig);
if (val != NULL)
{
strlcpy(gBootUUIDString, val, sizeof(gBootUUIDString));
}
}
}
/*
// Try to get the volume uuid string
if (!strlen(gBootUUIDString) && gBootVolume->fs_getuuid)
{
gBootVolume->fs_getuuid(gBootVolume, gBootUUIDString);
}
*/
// If we have the volume uuid add it to the commandline arguments
if (strlen(gBootUUIDString))
{
copyArgument(kBootUUIDKey, gBootUUIDString, strlen(gBootUUIDString), &argP, &cntRemaining);
}
// Try to get the volume uuid string
if (!strlen(gBootUUIDString) && gBootVolume->fs_getuuid)
{
gBootVolume->fs_getuuid(gBootVolume, gBootUUIDString);
DBG("boot-uuid: %s\n", gBootUUIDString);
}
}
if (!processBootArgument(kRootDeviceKey, cp, configKernelFlags, bootInfo->config,
&argP, &cntRemaining, gRootDevice, ROOT_DEVICE_SIZE))
{
cnt = 0;
if ( getValueForKey( kBootDeviceKey, &val, &cnt, &bootInfo->chameleonConfig))
{
valueBuffer[0] = '*';
cnt++;
strlcpy(valueBuffer + 1, val, cnt);
val = valueBuffer;
}
else
{ /*
if (strlen(gBootUUIDString))
{
val = "*uuid";
cnt = 5;
}
else
{ */
// Don't set "rd=.." if there is no boot device key
// and no UUID.
val = "";
cnt = 0;
/* } */
}
if (cnt > 0)
{
copyArgument( kRootDeviceKey, val, cnt, &argP, &cntRemaining);
}
strlcpy( gRootDevice, val, (cnt + 1));
}
/*
* Removed. We don't need this anymore.
*
if (!processBootArgument(kPlatformKey, cp, configKernelFlags, bootInfo->config,
&argP, &cntRemaining, gPlatformName, sizeof(gCacheNameAdler)))
{
getPlatformName(gPlatformName);
copyArgument(kPlatformKey, gPlatformName, strlen(gPlatformName), &argP, &cntRemaining);
}
*/
if (!getValueForBootKey(cp, kSafeModeFlag, &val, &cnt) &&
!getValueForBootKey(configKernelFlags, kSafeModeFlag, &val, &cnt))
{
if (gBootMode & kBootModeSafe)
{
copyArgument(0, kSafeModeFlag, strlen(kSafeModeFlag), &argP, &cntRemaining);
}
}
// Store the merged kernel flags and boot args.
cnt = strlen(configKernelFlags);
if (cnt)
{
if (cnt > cntRemaining)
{
error("Warning: boot arguments too long, truncating\n");
cnt = cntRemaining;
}
strncpy(argP, configKernelFlags, cnt);
argP[cnt++] = ' ';
cntRemaining -= cnt;
}
userCnt = strlen(cp);
if (userCnt > cntRemaining)
{
error("Warning: boot arguments too long, truncating\n");
userCnt = cntRemaining;
}
strncpy(&argP[cnt], cp, userCnt);
argP[cnt+userCnt] = '\0';
if(!shouldboot)
{
gVerboseMode = getValueForKey( kVerboseModeFlag, &val, &cnt, &bootInfo->chameleonConfig ) ||
getValueForKey( kSingleUserModeFlag, &val, &cnt, &bootInfo->chameleonConfig );
gBootMode = ( getValueForKey( kSafeModeFlag, &val, &cnt, &bootInfo->chameleonConfig ) ) ?
kBootModeSafe : kBootModeNormal;
if ( getValueForKey( kIgnoreCachesFlag, &val, &cnt, &bootInfo->chameleonConfig ) )
{
gBootMode = kBootModeSafe;
}
}
if ( getValueForKey( kMKextCacheKey, &val, &cnt, &bootInfo->bootConfig ) )
{
strlcpy(gMKextName, val, cnt + 1);
}
else
{
gMKextName[0]=0;
}
free(configKernelFlags);
free(valueBuffer);
return 0;
}