Chameleon

Chameleon Commit Details

Date:2017-03-25 02:19:47 (7 years 1 month ago)
Author:ErmaC
Commit:2865
Parents: 2864
Message:Update/extend DecodeMachO and DecodeSegment functions
Changes:
M/branches/ErmaC/Enoch/i386/libsaio/saio_internal.h
M/branches/ErmaC/Enoch/i386/libsaio/load.c
M/branches/ErmaC/Enoch/i386/libsaio/xml.c
M/branches/ErmaC/Enoch/i386/boot2/drivers.c
M/branches/ErmaC/Enoch/i386/boot2/boot.c

File differences

branches/ErmaC/Enoch/i386/libsaio/xml.c
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␉␉}␊
␉}␊
␊
␊
␉/***** false ****/␊
␉else if (!strncmp(tagName, kXMLTagFalse, sizeof(kXMLTagFalse)))␊
␉{␊
␉␉length = ParseTagBoolean(buffer + pos, tag, kTagTypeFalse);␊
␉}␊
␊
␉/***** true ****/␊
␉else if (!strncmp(tagName, kXMLTagTrue, sizeof(kXMLTagTrue)))␊
␉{␊
␉␉length = ParseTagBoolean(buffer + pos, tag, kTagTypeTrue);␊
␉}␊
␊
␉/***** plist ****/␊
␊
␊
␉/***** dict ****/␊
␊
␊
␉/***** data ****/␊
␉else if (!strncmp(tagName, kXMLTagData, sizeof(kXMLTagData)))␊
␉{␊
␉{␊
␉␉length = ParseTagDate(buffer + pos, tag);␊
␉}␊
␊
␉/***** false ****/␊
␉else if (!strncmp(tagName, kXMLTagFalse, sizeof(kXMLTagFalse)))␊
␉{␊
␉␉length = ParseTagBoolean(buffer + pos, tag, kTagTypeFalse);␊
␉}␊
␊
␉/***** true ****/␊
␉else if (!strncmp(tagName, kXMLTagTrue, sizeof(kXMLTagTrue)))␊
␉{␊
␉␉length = ParseTagBoolean(buffer + pos, tag, kTagTypeTrue);␊
␉}␊
␊
␉/***** array ****/␊
␉else if (!strncmp(tagName, kXMLTagArray, sizeof(kXMLTagArray) ))␊
␉{␊
branches/ErmaC/Enoch/i386/libsaio/load.c
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#endif␊
␊
// Private functions.␊
static long DecodeSegment(long cmdBase, unsigned int*load_addr, unsigned int *load_size);␊
static long DecodeSegment(long cmdBase, unsigned int *load_addr, unsigned int *load_size, void *binary, u_int32_t uncompressed_size);␊
static long DecodeUnixThread(long cmdBase, unsigned int *entry);␊
static long DecodeSymbolTable(long cmdBase);␊
␊
␊
//==============================================================================␊
␊
long DecodeMachO(void *binary, entry_t *rentry, char **raddr, int *rsize)␊
long DecodeMachO(void *binary, u_int32_t uncompressed_size, entry_t *rentry, char **raddr, int *rsize)␊
{␊
␉struct mach_header *mH;␊
␉unsigned long ncmds, cmdBase, cmd, cmdsize, cmdstart;␊
␉␉{␊
␉␉␉case LC_SEGMENT:␊
␉␉␉case LC_SEGMENT_64:␊
␉␉␉ret = DecodeSegment(cmdBase, &load_addr, &load_size);␊
␉␉␉ret = DecodeSegment(cmdBase, &load_addr, &load_size, binary, uncompressed_size);␊
␊
␉␉␉if (ret == 0 && load_size != 0 && load_addr >= KERNEL_ADDR)␊
␉␉␉{␊
␉␉␉break;␊
␉␉}␊
␊
␊
␉if (ret != 0)␊
␉{␊
␉␉return -1;␊
//==============================================================================␊
// Private function.␊
␊
␊
static long DecodeSegment(long cmdBase, unsigned int *load_addr, unsigned int *load_size)␊
static long DecodeSegment(long cmdBase, unsigned int *load_addr, unsigned int *load_size, void *binary, u_int32_t uncompressed_size)␊
{␊
␉char *segname;␊
␉long vmsize, filesize;␊
␉unsigned long vmaddr, fileaddr;␊
␉unsigned long vmaddr, fileoff, fileaddr;␊
␊
␉if (((long *)cmdBase)[0] == LC_SEGMENT_64)␊
␉{␊
␉␉struct segment_command_64 *segCmd;␊
␉␉segCmd = (struct segment_command_64 *)cmdBase;␊
␉␉vmaddr = (segCmd->vmaddr & 0x3fffffff);␊
␉␉vmsize = segCmd->vmsize;␊
␉␉segCmd = (struct segment_command_64 *)cmdBase;␊
␉␉vmaddr = (segCmd->vmaddr & 0x3fffffff);␊
␉␉vmsize = segCmd->vmsize;␊
␉␉fileoff = segCmd->fileoff;␊
␉␉fileaddr = (gBinaryAddress + segCmd->fileoff);␊
␉␉filesize = segCmd->filesize;␊
␉␉segname = segCmd->segname;␊
␉␉segname = (char *)segCmd->segname;␊
␊
#ifdef DEBUG␊
␉printf("segname: %s, vmaddr: %x, vmsize: %x, fileoff: %x, filesize: %x, nsects: %d, flags: %x.\n",␊
␉␉segCmd->segname, (unsigned)vmaddr, (unsigned)vmsize, (unsigned)fileaddr, (unsigned)filesize,␊
␉printf("segname: %s, vmaddr: %x, vmsize: %x, fileoff: %x, fileaddr: %x, filesize: %x, nsects: %d, flags: %x.\n",␊
␉␉segCmd->segname, (unsigned)vmaddr, (unsigned)vmsize, segCmd->fileoff, (unsigned)fileaddr, (unsigned)filesize,␊
␉␉(unsigned) segCmd->nsects, (unsigned)segCmd->flags);␊
␉getchar();␊
#endif␊
␉{␊
␉␉struct segment_command *segCmd;␊
␊
␉␉segCmd = (struct segment_command *)cmdBase;␊
␉␉segCmd = (struct segment_command *)cmdBase;␊
␊
␉␉vmaddr = (segCmd->vmaddr & 0x3fffffff);␊
␉␉vmsize = segCmd->vmsize;␊
␉␉vmaddr = (segCmd->vmaddr & 0x3fffffff);␊
␉␉vmsize = segCmd->vmsize;␊
␉␉fileoff = segCmd->fileoff;␊
␉␉fileaddr = (gBinaryAddress + segCmd->fileoff);␊
␉␉filesize = segCmd->filesize;␊
␉␉segname = segCmd->segname;␊
␉␉segname = (char *)segCmd->segname;␊
␊
#ifdef DEBUG␊
␉printf("segname: %s, vmaddr: %x, vmsize: %x, fileoff: %x, filesize: %x, nsects: %d, flags: %x.\n",␊
␉␉segCmd->segname, (unsigned)vmaddr, (unsigned)vmsize, (unsigned)fileaddr, (unsigned)filesize, (unsigned) segCmd->nsects, (unsigned)segCmd->flags);␊
␉printf("segname: %s, vmaddr: %x, vmsize: %x, fileoff: %x, fileaddr: %x, filesize: %x, nsects: %d, flags: %x.\n",␊
␉␉segCmd->segname, (unsigned)vmaddr, (unsigned)vmsize, segCmd->fileoff, (unsigned)fileaddr, (unsigned)filesize,␊
␉␉(unsigned) segCmd->nsects, (unsigned)segCmd->flags);␊
␉getchar();␊
#endif␊
␉}␊
branches/ErmaC/Enoch/i386/libsaio/saio_internal.h
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/* load.c */␊
extern bool gHaveKernelCache;␊
extern long ThinFatFile(void **binary, unsigned long *length);␊
extern long DecodeMachO(void *binary, entry_t *rentry, char **raddr, int *rsize);␊
extern long DecodeMachO(void *binary, u_int32_t uncompressed_size, entry_t *rentry, char **raddr, int *rsize);␊
␊
/* memory.c */␊
long AllocateKernelMemory( long inSize );␊
branches/ErmaC/Enoch/i386/boot2/drivers.c
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␉␉␉strcpy(dirSpecExtra, "rd(0,0)/Extra/");␊
␉␉␉FileLoadDrivers(dirSpecExtra, 0);␊
␉␉}␊
␉␉verbose("Attempting to loading drivers from \"Extra\" repository:\n");␊
␉␉// verbose("Attempting to loading drivers from \"Extra\" repository:\n");␊
␊
␉␉// =====================================================================␊
␉␉// Firstly try to load drivers from Common folder␊
␉␉// Secondly try to load drivers from Common folder␊
␉␉sprintf(dirSpecExtra, "bt(0,0)/Extra/Common/");␊
␉␉FileLoadDrivers(dirSpecExtra, 0);␊
␉␉// =====================================================================␊
␉␉␉␉fileName = prop->string;␊
␉␉␉␉snprintf(gFileSpec, 4096, "%s%s", module->executablePath, fileName);␊
␊
␉␉␉␉length = LoadThinFatFile(gFileSpec, &executableAddr);␊
␉␉␉␉if (length == 0)␊
␉␉␉␉{␊
␉␉␉␉␉length = LoadFile(gFileSpec);␊
␉␉␉␉␉executableAddr = (void *)kLoadAddr;␊
␉␉␉␉}␊
␉␉␉␉␉length = LoadThinFatFile(gFileSpec, &executableAddr);␊
␉␉␉␉␉if (length == 0)␊
␉␉␉␉␉{␊
␉␉␉␉␉␉length = LoadFile(gFileSpec);␊
␉␉␉␉␉␉executableAddr = (void *)kLoadAddr;␊
␉␉␉␉␉}␊
//␉␉␉␉printf("%s length = %d addr = 0x%x\n", gFileSpec, length, driverModuleAddr); getchar();␊
␉␉␉}␊
␉␉␉else␊
␉␉␉if ((length != -1) && executableAddr)␊
␉␉␉{␊
␉␉␉␉// Make make in the image area.␊
␊
␊
␉␉␉␉execute_hook("LoadMatchedModules", module, &length, executableAddr, NULL);␊
␊
␉␉␉␉driverLength = sizeof(DriverInfo) + module->plistLength + length + module->bundlePathLength;␊
␊
␉required = XMLGetProperty(moduleDict, kPropOSBundleRequired);␊
␊
␉if ( (required == 0) || (required->type != kTagTypeString) || !strncmp(required->string, "Safe Boot", sizeof("Safe Boot")))␊
␉{␊
␉␉XMLFreeTag(moduleDict);␊
␉␉return -2;␊
␉}␊
␉␉if ( (required == 0) || (required->type != kTagTypeString) || !strncmp(required->string, "Safe Boot", sizeof("Safe Boot")))␊
␉␉{␊
␉␉␉XMLFreeTag(moduleDict);␊
␉␉␉return -2;␊
␉␉}␊
␊
␉tmpModule = malloc(sizeof(Module));␊
␉if (tmpModule == 0)␊
␊
/* ================================================================ */␊
␊
␉// Entry point␊
␊
/* ================================================================ */␊
␊
␉ret = DecodeMachO(binary, rentry, raddr, rsize);␊
␉ret = DecodeMachO(binary, uncompressed_size, rentry, raddr, rsize);␊
␉if (ret < 0 && archCpuType == CPU_TYPE_X86_64)␊
␉{␊
␉␉archCpuType = CPU_TYPE_I386;␊
␉␉ret = DecodeMachO(binary, rentry, raddr, rsize);␊
␉␉ret = DecodeMachO(binary, uncompressed_size, rentry, raddr, rsize);␊
␉}␊
␊
␉return ret;␊
branches/ErmaC/Enoch/i386/boot2/boot.c
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//␊
void setupBooterArgs()␊
{␊
␉bool KPRebootOption␉= false;␊
␉bool HiDPIOption␉= false;␊
␉bool FlagBlackOption␉= false;␊
␉bool KPRebootOption␉= false; // I don't want this by default ( It makes me angry because I do not see the reason for the panic)+␊
//␉bool HiDPIOption␉= false; // (Disabled by default) 10.8+␊
//␉bool FlagBlackOption␉= false; // (Disabled by default) 10.10+␊
␊
␉// OS X Lion 10.7␊
␉if ( MacOSVerCurrent >= MacOSVer2Int("10.7") ) // Lion and Up!␊
␉{␊
␉␉// Pike R. Alpha: Adding a 16 KB log space.␊
␉␉bootArgs->performanceDataSize␉␉= 0;␊
␉␉bootArgs->performanceDataStart␉␉= 0;␊
␊
␉␉// Pike R. Alpha: AppleKeyStore.kext␊
␉␉bootArgs->keyStoreDataSize␉␉= 0;␊
␉␉bootArgs->keyStoreDataStart␉␉= 0;␊
␊
␉␉bootArgs->bootMemSize␉␉␉= 0;␊
␉␉bootArgs->bootMemStart␉␉␉= 0;␊
␉}␊
␊
␉// OS X Mountain Lion 10.8␊
␉if ( MacOSVerCurrent >= MacOSVer2Int("10.8") ) // Mountain Lion and Up!␊
␉{␊
␉␉verbose("DTrace Restrictions: %s\n", ((csrValue & 0x20) == 0) ? "enabled":"disabled"); /* (1 << 5) Allow unrestricted dtrace */␊
␉␉verbose("NVRAM Protections: %s\n", ((csrValue & 0x40) == 0) ? "enabled":"disabled"); /* (1 << 6) Allow unrestricted NVRAM */␊
//␉␉verbose("DEVICE configuration: %s\n", ((csrValue & 0x80) == 0) ? "enabled":"disabled"); /* (1 << 7) Allow device configuration */␊
//␉␉verbose("Disable BaseSystem Verification: %s\n", ((csrValue & 0x100) == 0) ? "enabled":"disabled"); /* (1 << 8) Disable BaseSystem Verification */␊
␉}␊
␉verbose("\n");␊
}␊
␉unsigned long s2 = 0; // (adler >> 16) & 0xffff;␊
␉unsigned long result;␊
␊
␉while (len > 0) {␊
␉while (len > 0)␊
␉{␊
␉␉k = len < NMAX ? len : NMAX;␊
␉␉len -= k;␊
␉␉while (k >= 16)␊

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Revision: 2865