in CoreFoundation/PlugIn.subproj/CFBundle_InfoPlist.c [850:958]
static Boolean _CFBundleGetPackageInfoInDirectoryWithInfoDictionary(CFAllocatorRef alloc, CFURLRef url, CFDictionaryRef infoDict, UInt32 *packageType, UInt32 *packageCreator) {
Boolean retVal = false, hasType = false, hasCreator = false, releaseInfoDict = false;
CFURLRef tempURL;
CFDataRef pkgInfoData = NULL;
// Check for a "real" new bundle
tempURL = CFURLCreateWithString(kCFAllocatorSystemDefault, _CFBundlePkgInfoURLFromBase2, url);
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated"
CFURLCreateDataAndPropertiesFromResource(kCFAllocatorSystemDefault, tempURL, &pkgInfoData, NULL, NULL, NULL);
#pragma GCC diagnostic pop
CFRelease(tempURL);
if (!pkgInfoData) {
tempURL = CFURLCreateWithString(kCFAllocatorSystemDefault, _CFBundlePkgInfoURLFromBase1, url);
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated"
CFURLCreateDataAndPropertiesFromResource(kCFAllocatorSystemDefault, tempURL, &pkgInfoData, NULL, NULL, NULL);
#pragma GCC diagnostic pop
CFRelease(tempURL);
}
if (!pkgInfoData) {
// Check for a "pseudo" new bundle
tempURL = CFURLCreateWithString(kCFAllocatorSystemDefault, _CFBundlePseudoPkgInfoURLFromBase, url);
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated"
CFURLCreateDataAndPropertiesFromResource(kCFAllocatorSystemDefault, tempURL, &pkgInfoData, NULL, NULL, NULL);
#pragma GCC diagnostic pop
CFRelease(tempURL);
}
// Now, either we have a pkgInfoData or not. If not, then is it because this is a new bundle without one (do we allow this?), or is it dbecause it is an old bundle.
// If we allow new bundles to not have a PkgInfo (because they already have the same data in the Info.plist), then we have to go read the info plist which makes failure expensive.
// drd: So we assume that a new bundle _must_ have a PkgInfo if they have this data at all, otherwise we manufacture it from the extension.
if (pkgInfoData && CFDataGetLength(pkgInfoData) >= (int)(sizeof(UInt32) * 2)) {
UInt32 *pkgInfo = (UInt32 *)CFDataGetBytePtr(pkgInfoData);
if (packageType) *packageType = CFSwapInt32BigToHost(pkgInfo[0]);
if (packageCreator) *packageCreator = CFSwapInt32BigToHost(pkgInfo[1]);
retVal = hasType = hasCreator = true;
}
if (pkgInfoData) CFRelease(pkgInfoData);
if (!retVal) {
if (!infoDict) {
infoDict = _CFBundleCopyInfoDictionaryInDirectory(kCFAllocatorSystemDefault, url, NULL);
releaseInfoDict = true;
}
if (infoDict) {
CFStringRef typeString = (CFStringRef)CFDictionaryGetValue(infoDict, _kCFBundlePackageTypeKey), creatorString = (CFStringRef)CFDictionaryGetValue(infoDict, _kCFBundleSignatureKey);
UInt32 tmp;
CFIndex usedBufLen = 0;
if (typeString && CFGetTypeID(typeString) == CFStringGetTypeID() && CFStringGetLength(typeString) == 4 && 4 == CFStringGetBytes(typeString, CFRangeMake(0, 4), kCFStringEncodingMacRoman, 0, false, (UInt8 *)&tmp, 4, &usedBufLen) && 4 == usedBufLen) {
if (packageType) *packageType = CFSwapInt32BigToHost(tmp);
retVal = hasType = true;
}
if (creatorString && CFGetTypeID(creatorString) == CFStringGetTypeID() && CFStringGetLength(creatorString) == 4 && 4 == CFStringGetBytes(creatorString, CFRangeMake(0, 4), kCFStringEncodingMacRoman, 0, false, (UInt8 *)&tmp, 4, &usedBufLen) && 4 == usedBufLen) {
if (packageCreator) *packageCreator = CFSwapInt32BigToHost(tmp);
retVal = hasCreator = true;
}
if (releaseInfoDict) CFRelease(infoDict);
}
}
if (!hasType || !hasCreator) {
// If this looks like a bundle then manufacture the type and creator.
if (retVal || _CFBundleURLLooksLikeBundle(url)) {
if (packageCreator && !hasCreator) *packageCreator = 0x3f3f3f3f; // '????'
if (packageType && !hasType) {
// Detect "app", "debug", "profile", or "framework" extensions
CFURLRef absoluteURL = CFURLCopyAbsoluteURL(url);
CFStringRef urlStr = CFURLCopyFileSystemPath(absoluteURL, PLATFORM_PATH_STYLE);
CFRelease(absoluteURL);
if (urlStr) {
UniChar buff[CFMaxPathSize];
CFIndex strLen, startOfExtension;
strLen = CFStringGetLength(urlStr);
if (strLen > CFMaxPathSize) strLen = CFMaxPathSize;
CFStringGetCharacters(urlStr, CFRangeMake(0, strLen), buff);
CFRelease(urlStr);
startOfExtension = _CFStartOfPathExtension(buff, strLen);
if ((strLen - startOfExtension == 4 || strLen - startOfExtension == 5) && buff[startOfExtension] == (UniChar)'.' && buff[startOfExtension+1] == (UniChar)'a' && buff[startOfExtension+2] == (UniChar)'p' && buff[startOfExtension+3] == (UniChar)'p' && (strLen - startOfExtension == 4 || buff[startOfExtension+4] == (UniChar)PATH_SEP)) {
// This is an app
*packageType = 0x4150504c; // 'APPL'
} else if ((strLen - startOfExtension == 6 || strLen - startOfExtension == 7) && buff[startOfExtension] == (UniChar)'.' && buff[startOfExtension+1] == (UniChar)'d' && buff[startOfExtension+2] == (UniChar)'e' && buff[startOfExtension+3] == (UniChar)'b' && buff[startOfExtension+4] == (UniChar)'u' && buff[startOfExtension+5] == (UniChar)'g' && (strLen - startOfExtension == 6 || buff[startOfExtension+6] == (UniChar)PATH_SEP)) {
// This is an app (debug version)
*packageType = 0x4150504c; // 'APPL'
} else if ((strLen - startOfExtension == 8 || strLen - startOfExtension == 9) && buff[startOfExtension] == (UniChar)'.' && buff[startOfExtension+1] == (UniChar)'p' && buff[startOfExtension+2] == (UniChar)'r' && buff[startOfExtension+3] == (UniChar)'o' && buff[startOfExtension+4] == (UniChar)'f' && buff[startOfExtension+5] == (UniChar)'i' && buff[startOfExtension+6] == (UniChar)'l' && buff[startOfExtension+7] == (UniChar)'e' && (strLen - startOfExtension == 8 || buff[startOfExtension+8] == (UniChar)PATH_SEP)) {
// This is an app (profile version)
*packageType = 0x4150504c; // 'APPL'
} else if ((strLen - startOfExtension == 8 || strLen - startOfExtension == 9) && buff[startOfExtension] == (UniChar)'.' && buff[startOfExtension+1] == (UniChar)'s' && buff[startOfExtension+2] == (UniChar)'e' && buff[startOfExtension+3] == (UniChar)'r' && buff[startOfExtension+4] == (UniChar)'v' && buff[startOfExtension+5] == (UniChar)'i' && buff[startOfExtension+6] == (UniChar)'c' && buff[startOfExtension+7] == (UniChar)'e' && (strLen - startOfExtension == 8 || buff[startOfExtension+8] == (UniChar)PATH_SEP)) {
// This is a service
*packageType = 0x4150504c; // 'APPL'
} else if ((strLen - startOfExtension == 10 || strLen - startOfExtension == 11) && buff[startOfExtension] == (UniChar)'.' && buff[startOfExtension+1] == (UniChar)'f' && buff[startOfExtension+2] == (UniChar)'r' && buff[startOfExtension+3] == (UniChar)'a' && buff[startOfExtension+4] == (UniChar)'m' && buff[startOfExtension+5] == (UniChar)'e' && buff[startOfExtension+6] == (UniChar)'w' && buff[startOfExtension+7] == (UniChar)'o' && buff[startOfExtension+8] == (UniChar)'r' && buff[startOfExtension+9] == (UniChar)'k' && (strLen - startOfExtension == 10 || buff[startOfExtension+10] == (UniChar)PATH_SEP)) {
// This is a framework
*packageType = 0x464d574b; // 'FMWK'
} else {
// Default to BNDL for generic bundle
*packageType = 0x424e444c; // 'BNDL'
}
} else {
// Default to BNDL for generic bundle
*packageType = 0x424e444c; // 'BNDL'
}
}
retVal = true;
}
}
return retVal;
}