Chameleon

Chameleon Commit Details

Date:2017-03-25 13:41:11 (2 years 3 months ago)
Author:ErmaC
Commit:2868
Parents: 2867
Message:Added XMLConvertTagPtrToXMLString and ability to convert Tag to property list (Micky1979)
Changes:
M/branches/ErmaC/Enoch/i386/libsaio/xml.c
M/branches/ErmaC/Enoch/i386/libsaio/xml.h

File differences

branches/ErmaC/Enoch/i386/libsaio/xml.c
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XMLFreeTag(tmpTag);
return false;
}
//==========================================================================
// Micky1979
// XMLConvertTagPtrToXMLString
// convert back a TagPtr to a xml representation
// Here is still w/o header and footer
char *XMLConvertTagPtrToXMLString(TagPtr aDict, long parentType, int indent)
{
indent ++;
// TODO check if we can use a buffer for the booter stuff already reserved somewhere
char *string = "";
char *ind = "";
for (int i = 0; i < indent; i++)
{
char *ind2 = malloc(strlen(ind) + strlen("\t") +1);
strcpy(ind2, ind);
ind2[strlen(ind)] = '\t';
ind2[strlen(ind) +1] = '\0';
ind = ind2;
}
unsigned long length = 0;
int count = XMLTagCount(aDict);
while(count)
{
// parsing only supported tags
char *key = NULL;
TagPtr sub = NULL;
if (!XMLIsArray(aDict))
{
key = XMLCastString(XMLGetKey(aDict, count));
sub = XMLGetProperty(aDict, key);
}
else
{
key = "";
sub = XMLGetElement( aDict, count-1);
}
if(sub)
{
if(XMLIsData(sub))
{
char *temp;
if (parentType == kTagTypeArray)
{
length = (strlen(ind) +
strlen(sub->string ? sub->string : "") +
strlen("<data>") +
strlen("</data>\n") +
1);
temp = malloc(strlen(string) + length);
snprintf(temp, length+strlen(string), "%s%s<data>%s</data>\n", string, ind, sub->string ? sub->string : "");
} else {
length = (strlen(ind) +
strlen(key) +
strlen("<key>") +
strlen("</key>\n") +
strlen(ind) +
strlen(sub->string ? sub->string : "") +
strlen("<data>") +
strlen("</data>\n") +
1);
temp = malloc(strlen(string) + length);
snprintf(temp, length+strlen(string), "%s%s<key>%s</key>\n%s<data>%s</data>\n",
string, ind, key, ind, sub->string ? sub->string : "");
}
temp[strlen(string) + length] = '\0';
string = temp;
}
else if(XMLIsString(sub))
{
char *temp;
if (parentType == kTagTypeArray)
{
length = (strlen(ind) +
strlen("<string>") +
strlen(XMLCastString(sub) ? XMLCastString(sub) : "") +
strlen("</string>\n") +
1);
temp = malloc(strlen(string) + length);
snprintf(temp, length+strlen(string), "%s%s<string>%s</string>\n",
string, ind, XMLCastString(sub) ? XMLCastString(sub) : "");
} else {
length = (strlen(ind) +
strlen(key) +
strlen("<key>") +
strlen("</key>\n") +
strlen(ind) +
strlen("<string>") +
strlen(XMLCastString(sub) ? XMLCastString(sub) : "") +
strlen("</string>\n") +
1);
temp = malloc(strlen(string) + length);
snprintf(temp, length+strlen(string), "%s%s<key>%s</key>\n%s<string>%s</string>\n",
string, ind, key, ind, XMLCastString(sub) ? XMLCastString(sub) : "");
}
temp[strlen(string) + length] = '\0';
string = temp;
}
else if(XMLIsInteger(sub))
{
// 'real' (float/dowble) cannot be parsed. only integers
int x = XMLCastInteger(sub);
char xBuf[snprintf( NULL, 0, "%d", x )];
snprintf( xBuf, snprintf( NULL, 0, "%d", x ) +1, "%d", x );
char *temp;
if (parentType == kTagTypeArray)
{
length = (strlen(ind) +
strlen("<integer>") +
sizeof(xBuf) +
strlen("</integer>\n") +
1);
temp = malloc(strlen(string) + length);
snprintf(temp, length+strlen(string), "%s%s<integer>%s</integer>\n", string, ind, (char *)xBuf);
} else {
length = (strlen(ind) +
strlen(key) +
strlen("<key>") +
strlen("</key>\n") +
strlen(ind) +
strlen("<integer>") +
sizeof(xBuf) +
strlen("</integer>\n") +
1);
temp = malloc(strlen(string) + length);
snprintf(temp, length+strlen(string), "%s%s<key>%s</key>\n%s<integer>%s</integer>\n",
string, ind, key, ind, (char *)xBuf);
}
temp[strlen(string) + length] = '\0';
string = temp;
}
else if(XMLIsBoolean(sub))
{
char *temp;
int v = XMLCastBoolean(sub);
if (parentType == kTagTypeArray)
{
length = (strlen(ind) +
strlen(v ? "<true/>\n" : "<false/>\n") +
1);
temp = malloc(strlen(string) + length);
snprintf(temp, length+strlen(string), "%s%s%s", string, ind, v ? "<true/>\n" : "<false/>\n");
} else {
length = (strlen(ind) +
strlen(key) +
strlen("<key>") +
strlen("</key>\n") +
strlen(ind) +
strlen(v ? "<true/>\n" : "<false/>\n") +
1);
temp = malloc(strlen(string) + length);
snprintf(temp, length+strlen(string), "%s%s<key>%s</key>\n%s%s",
string, ind, key, ind, v ? "<true/>\n" : "<false/>\n");
}
temp[strlen(string) + length] = '\0';
string = temp;
}
else if (XMLIsDict(sub) || XMLIsArray(sub)) // its a contenitor..
{
int subCount = XMLTagCount(sub);
char *otag = subCount <=0 ? "" : XMLIsDict(sub) ? "<dict>\n" : "<array>\n";
char *ctag = subCount <=0 ? XMLIsDict(sub) ? "<dict/>\n" :
"<array/>\n" : XMLIsDict(sub) ? "</dict>\n" : "</array>\n";
char *dict = NULL;
dict = NULL;
dict = XMLConvertTagPtrToXMLString(sub, sub->type, indent);
length = (strlen(ind) +
strlen(key) +
strlen("<key>") +
strlen("</key>\n") +
strlen(ind) +
strlen(otag) +
strlen(dict) +
strlen(ind) +
strlen(ctag) +
1);
char *temp = malloc(strlen(string) + length);
snprintf(temp, length+strlen(string), "%s%s<key>%s</key>\n%s%s%s%s%s\n",
string, ind, key, ind, otag, dict, ind, ctag);
temp[strlen(string) + length] = '\0';
string = temp;
}
}
count--;
}
if(strlen(ind))
{
free(ind);
} // not mallocated if ""
return string;
}
// XMLConvertTagPtrToPropertyList_v1
// convert back a TagPtr to a xml representation
// with header and footer
char *XMLConvertTagPtrToPropertyList_v1(TagPtr aDict)
{
if (!aDict)
{
return NULL;
}
char *s = XMLConvertTagPtrToXMLString(aDict, aDict->type, 1);
if (s == NULL)
{
return NULL;
}
unsigned long length = ((strlen(kXMLv1) -1 /* -1 for %s included */) +
strlen(s) +
1);
char *propertyList = malloc(length);
snprintf(propertyList, length, kXMLv1, s);
if (strlen(s))
{
free(s);
}
return (char *)propertyList;
}
// XMLGenerateKextInjectorFromTag
// generate an full Info.plist to create a kext injector
// sDict should contains all the contents of IOKitPersonalities
// personalityName is a funcy name. Must not be a real kext name
// OSBundleRequired should be the same of the real kext you want to hack (Root, Safe Boot, Network-Root etc.)
// can also be NULL or "" assuming the target kext does not have this key.
char * XMLGenerateKextInjectorFromTag(TagPtr aDict, char *personalityName, char *OSBundleRequired)
{
if (!aDict || personalityName == NULL)
{
return NULL;
}
char *IOKitPersonalities = XMLConvertTagPtrToXMLString(aDict, aDict->type, 1);
if (IOKitPersonalities == NULL)
{
return NULL;
}
char *OBRkey = OSBundleRequired == NULL ? "" : OSBundleRequired;
char *propertyList;
unsigned long length = 0;
if (strlen(OBRkey))
{
length = (strlen("\t<key>OSBundleRequired</key>\n\t<string>") +
strlen(OBRkey) +
strlen("</string>\n") +
1);
char temp[length];
snprintf(temp, length, "\t<key>OSBundleRequired</key>\n\t<string>%s</string>\n", OBRkey);
unsigned long mlength = ((strlen(kFakeInjectorKext) -8 /* %s x 8 */) +
strlen(personalityName) +
strlen(personalityName) +
strlen(IOKitPersonalities) +
length +
1);
propertyList = malloc(mlength);
snprintf(propertyList, mlength, kFakeInjectorKext, personalityName, personalityName, IOKitPersonalities, temp);
}
else
{
unsigned long mlength = ((strlen(kFakeInjectorKext) -8 /* %s x 8 */) +
strlen(personalityName) +
strlen(personalityName) +
strlen(IOKitPersonalities) +
1);
propertyList = malloc(mlength);
snprintf(propertyList, mlength, kFakeInjectorKext, personalityName, personalityName, IOKitPersonalities, "");
}
if (strlen(IOKitPersonalities))
{
free(IOKitPersonalities);
}
return propertyList;
}
branches/ErmaC/Enoch/i386/libsaio/xml.h
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#define kPropIOKitPersonalities("IOKitPersonalities")
#define kPropIONameMatch("IONameMatch")
// Micky1979
// kXMLv1 require one argument
#define kXMLv1 "<\?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n\
<plist version=\"1.0\">\n\
<dict>\n%s\n\
</dict>\n\
</plist>"
// Micky1979
// kFakeInjectorKext require 4 arguments (a generic name (used twice) + IOKitPersonalities + OSBundleRequired ("" if not needed)):
// name, name, IOKitPersonalities, OSBundleRequired
#define kFakeInjectorKext "<\?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n\
<plist version=\"1.0\">\n\
<dict>\n\
<key>CFBundleDevelopmentRegion</key>\n\
<string>English</string>\n\
<key>CFBundleIdentifier</key>\n\
<string>com.Enoch.plist.%s</string>\n\
<key>CFBundleInfoDictionaryVersion</key>\n\
<string>6.0</string>\n\
<key>CFBundleName</key>\n\
<string>%s</string>\n\
<key>CFBundlePackageType</key>\n\
<string>KEXT</string>\n\
<key>CFBundleSignature</key>\n\
<string>\?\?\?\?</string>\n\
<key>CFBundleVersion</key>\n\
<string>1.0.0</string>\n\
<key>IOKitPersonalities</key>\n\
<dict>\n%s\
</dict>\n%s\
</dict>\n\
</plist>\n"
// Micky1979 following 3 funtions are to convert a TagPtr to a property list v1 and to create kexts injector
char *XMLConvertTagPtrToXMLString(TagPtr aDict, long parentType, int indent);
char *XMLConvertTagPtrToPropertyList_v1(TagPtr aDict);
char *XMLGenerateKextInjectorFromTag(TagPtr aDict, char *personalityName, char *OSBundleRequired);
extern long gImageFirstBootXAddr;
extern long gImageLastKernelAddr;

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Revision: 2868