nsresult
nsPermissionManager::Import()
{
nsresult rv;
nsCOMPtr<nsIFile> permissionsFile;
rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(permissionsFile));
if (NS_FAILED(rv)) return rv;
rv = permissionsFile->AppendNative(NS_LITERAL_CSTRING(kHostpermFileName));
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIInputStream> fileInputStream;
rv = NS_NewLocalFileInputStream(getter_AddRefs(fileInputStream),
permissionsFile);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsILineInputStream> lineInputStream = do_QueryInterface(fileInputStream, &rv);
NS_ENSURE_SUCCESS(rv, rv);
// start a transaction on the storage db, to optimize insertions.
// transaction will automically commit on completion
mozStorageTransaction transaction(mDBConn, PR_TRUE);
/* format is:
* matchtype \t type \t permission \t host
* Only "host" is supported for matchtype
* type is a string that identifies the type of permission (e.g. "cookie")
* permission is an integer between 1 and 15
*/
nsCAutoString buffer;
PRBool isMore = PR_TRUE;
while (isMore && NS_SUCCEEDED(lineInputStream->ReadLine(buffer, &isMore))) {
if (buffer.IsEmpty() || buffer.First() == '#') {
continue;
}
nsTArray<nsCString> lineArray;
// Split the line at tabs
ParseString(buffer, '\t', lineArray);
if (lineArray[0].EqualsLiteral(kMatchTypeHost) &&
lineArray.Length() == 4) {
PRInt32 error;
PRUint32 permission = lineArray[2].ToInteger(&error);
if (error)
continue;
// hosts might be encoded in UTF8; switch them to ACE to be consistent
if (!IsASCII(lineArray[3])) {
rv = NormalizeToACE(lineArray[3]);
if (NS_FAILED(rv))
continue;
}
rv = AddInternal(lineArray[3], lineArray[1], permission, 0,
nsIPermissionManager::EXPIRE_NEVER, 0, eDontNotify, eWriteToDB);
NS_ENSURE_SUCCESS(rv, rv);
}
}
// we're done importing - delete the old file
permissionsFile->Remove(PR_FALSE);
return NS_OK;
}
constexpr
static inline bool
IsASCII(const char ch)
{
return IsASCII((unsigned char)ch);
}
// returns TRUE if SAN was used to produce names
// return FALSE if nothing was produced
// names => a single name or a list of names
// multipleNames => whether multiple names were delivered
static bool
GetSubjectAltNames(CERTCertificate *nssCert,
nsINSSComponent *component,
nsString &allNames,
uint32_t &nameCount)
{
allNames.Truncate();
nameCount = 0;
SECItem altNameExtension = {siBuffer, nullptr, 0 };
CERTGeneralName *sanNameList = nullptr;
SECStatus rv = CERT_FindCertExtension(nssCert, SEC_OID_X509_SUBJECT_ALT_NAME,
&altNameExtension);
if (rv != SECSuccess) {
return false;
}
ScopedPLArenaPool arena(PORT_NewArena(DER_DEFAULT_CHUNKSIZE));
if (!arena) {
return false;
}
sanNameList = CERT_DecodeAltNameExtension(arena.get(), &altNameExtension);
if (!sanNameList) {
return false;
}
SECITEM_FreeItem(&altNameExtension, false);
CERTGeneralName *current = sanNameList;
do {
nsAutoString name;
switch (current->type) {
case certDNSName:
{
nsDependentCSubstring nameFromCert(reinterpret_cast<char*>
(current->name.other.data),
current->name.other.len);
// dNSName fields are defined as type IA5String and thus should
// be limited to ASCII characters.
if (IsASCII(nameFromCert)) {
name.Assign(NS_ConvertASCIItoUTF16(nameFromCert));
if (!allNames.IsEmpty()) {
allNames.AppendLiteral(", ");
}
++nameCount;
allNames.Append(name);
}
}
break;
case certIPAddress:
{
char buf[INET6_ADDRSTRLEN];
PRNetAddr addr;
if (current->name.other.len == 4) {
addr.inet.family = PR_AF_INET;
memcpy(&addr.inet.ip, current->name.other.data, current->name.other.len);
PR_NetAddrToString(&addr, buf, sizeof(buf));
name.AssignASCII(buf);
} else if (current->name.other.len == 16) {
addr.ipv6.family = PR_AF_INET6;
memcpy(&addr.ipv6.ip, current->name.other.data, current->name.other.len);
PR_NetAddrToString(&addr, buf, sizeof(buf));
name.AssignASCII(buf);
} else {
/* invalid IP address */
}
if (!name.IsEmpty()) {
if (!allNames.IsEmpty()) {
allNames.AppendLiteral(", ");
}
++nameCount;
allNames.Append(name);
}
break;
}
default: // all other types of names are ignored
break;
}
current = CERT_GetNextGeneralName(current);
} while (current != sanNameList); // double linked
return true;
}
NS_IMETHODIMP
nsDNSService::Resolve(const nsACString &hostname,
PRUint32 flags,
nsIDNSRecord **result)
{
// grab reference to global host resolver and IDN service. beware
// simultaneous shutdown!!
nsRefPtr<nsHostResolver> res;
nsCOMPtr<nsIIDNService> idn;
{
nsAutoLock lock(mLock);
res = mResolver;
idn = mIDN;
}
NS_ENSURE_TRUE(res, NS_ERROR_OFFLINE);
const nsACString *hostPtr = &hostname;
nsresult rv;
nsCAutoString hostACE;
if (idn && !IsASCII(hostname)) {
if (NS_SUCCEEDED(idn->ConvertUTF8toACE(hostname, hostACE)))
hostPtr = &hostACE;
}
//
// sync resolve: since the host resolver only works asynchronously, we need
// to use a mutex and a condvar to wait for the result. however, since the
// result may be in the resolvers cache, we might get called back recursively
// on the same thread. so, our mutex needs to be re-entrant. inotherwords,
// we need to use a monitor! ;-)
//
PRMonitor *mon = PR_NewMonitor();
if (!mon)
return NS_ERROR_OUT_OF_MEMORY;
PR_EnterMonitor(mon);
nsDNSSyncRequest syncReq(mon);
PRUint16 af = GetAFForLookup(*hostPtr);
rv = res->ResolveHost(PromiseFlatCString(*hostPtr).get(), flags, af, &syncReq);
if (NS_SUCCEEDED(rv)) {
// wait for result
while (!syncReq.mDone)
PR_Wait(mon, PR_INTERVAL_NO_TIMEOUT);
if (NS_FAILED(syncReq.mStatus))
rv = syncReq.mStatus;
else {
NS_ASSERTION(syncReq.mHostRecord, "no host record");
nsDNSRecord *rec = new nsDNSRecord(syncReq.mHostRecord);
if (!rec)
rv = NS_ERROR_OUT_OF_MEMORY;
else
NS_ADDREF(*result = rec);
}
}
PR_ExitMonitor(mon);
PR_DestroyMonitor(mon);
return rv;
}
/* nsIURI createFixupURI (in nsAUTF8String aURIText, in unsigned long aFixupFlags); */
NS_IMETHODIMP
nsDefaultURIFixup::CreateFixupURI(const nsACString& aStringURI, PRUint32 aFixupFlags, nsIURI **aURI)
{
NS_ENSURE_ARG(!aStringURI.IsEmpty());
NS_ENSURE_ARG_POINTER(aURI);
nsresult rv;
*aURI = nsnull;
nsCAutoString uriString(aStringURI);
uriString.Trim(" "); // Cleanup the empty spaces that might be on each end.
// Eliminate embedded newlines, which single-line text fields now allow:
uriString.StripChars("\r\n");
NS_ENSURE_TRUE(!uriString.IsEmpty(), NS_ERROR_FAILURE);
nsCOMPtr<nsIIOService> ioService = do_GetService(NS_IOSERVICE_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCAutoString scheme;
ioService->ExtractScheme(aStringURI, scheme);
// View-source is a pseudo scheme. We're interested in fixing up the stuff
// after it. The easiest way to do that is to call this method again with the
// "view-source:" lopped off and then prepend it again afterwards.
if (scheme.LowerCaseEqualsLiteral("view-source"))
{
nsCOMPtr<nsIURI> uri;
PRUint32 newFixupFlags = aFixupFlags & ~FIXUP_FLAG_ALLOW_KEYWORD_LOOKUP;
rv = CreateFixupURI(Substring(uriString,
sizeof("view-source:") - 1,
uriString.Length() -
(sizeof("view-source:") - 1)),
newFixupFlags, getter_AddRefs(uri));
if (NS_FAILED(rv))
return NS_ERROR_FAILURE;
nsCAutoString spec;
uri->GetSpec(spec);
uriString.Assign(NS_LITERAL_CSTRING("view-source:") + spec);
}
else {
// Check for if it is a file URL
FileURIFixup(uriString, aURI);
if(*aURI)
return NS_OK;
#if defined(XP_WIN) || defined(XP_OS2)
// Not a file URL, so translate '\' to '/' for convenience in the common protocols
// e.g. catch
//
// http:\\broken.com\address
// http:\\broken.com/blah
// broken.com\blah
//
// Code will also do partial fix up the following urls
//
// http:\\broken.com\address/somewhere\image.jpg (stops at first forward slash)
// http:\\broken.com\blah?arg=somearg\foo.jpg (stops at question mark)
// http:\\broken.com#odd\ref (stops at hash)
//
if (scheme.IsEmpty() ||
scheme.LowerCaseEqualsLiteral("http") ||
scheme.LowerCaseEqualsLiteral("https") ||
scheme.LowerCaseEqualsLiteral("ftp"))
{
// Walk the string replacing backslashes with forward slashes until
// the end is reached, or a question mark, or a hash, or a forward
// slash. The forward slash test is to stop before trampling over
// URIs which legitimately contain a mix of both forward and
// backward slashes.
nsCAutoString::iterator start;
nsCAutoString::iterator end;
uriString.BeginWriting(start);
uriString.EndWriting(end);
while (start != end) {
if (*start == '?' || *start == '#' || *start == '/')
break;
if (*start == '\\')
*start = '/';
++start;
}
}
#endif
}
// For these protocols, use system charset instead of the default UTF-8,
// if the URI is non ASCII.
PRBool bAsciiURI = IsASCII(uriString);
PRBool bUseNonDefaultCharsetForURI =
!bAsciiURI &&
(scheme.IsEmpty() ||
scheme.LowerCaseEqualsLiteral("http") ||
scheme.LowerCaseEqualsLiteral("https") ||
scheme.LowerCaseEqualsLiteral("ftp") ||
scheme.LowerCaseEqualsLiteral("file"));
// Now we need to check whether "scheme" is something we don't
// really know about.
nsCOMPtr<nsIProtocolHandler> ourHandler, extHandler;
ioService->GetProtocolHandler(scheme.get(), getter_AddRefs(ourHandler));
extHandler = do_GetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX"default");
if (ourHandler != extHandler || !PossiblyHostPortUrl(uriString)) {
// Just try to create an URL out of it
rv = NS_NewURI(aURI, uriString,
bUseNonDefaultCharsetForURI ? GetCharsetForUrlBar() : nsnull);
if (!*aURI && rv != NS_ERROR_MALFORMED_URI) {
return rv;
}
}
if (*aURI) {
if (aFixupFlags & FIXUP_FLAGS_MAKE_ALTERNATE_URI)
MakeAlternateURI(*aURI);
return NS_OK;
}
// See if it is a keyword
// Test whether keywords need to be fixed up
PRBool fixupKeywords = PR_FALSE;
if (aFixupFlags & FIXUP_FLAG_ALLOW_KEYWORD_LOOKUP) {
if (mPrefBranch)
{
NS_ENSURE_SUCCESS(mPrefBranch->GetBoolPref("keyword.enabled", &fixupKeywords), NS_ERROR_FAILURE);
}
if (fixupKeywords)
{
KeywordURIFixup(uriString, aURI);
if(*aURI)
return NS_OK;
}
}
// Prune duff protocol schemes
//
// ://totallybroken.url.com
// //shorthand.url.com
//
if (StringBeginsWith(uriString, NS_LITERAL_CSTRING("://")))
{
uriString = StringTail(uriString, uriString.Length() - 3);
}
else if (StringBeginsWith(uriString, NS_LITERAL_CSTRING("//")))
{
uriString = StringTail(uriString, uriString.Length() - 2);
}
// Add ftp:// or http:// to front of url if it has no spec
//
// Should fix:
//
// no-scheme.com
// ftp.no-scheme.com
// ftp4.no-scheme.com
// no-scheme.com/query?foo=http://www.foo.com
//
PRInt32 schemeDelim = uriString.Find("://",0);
PRInt32 firstDelim = uriString.FindCharInSet("/:");
if (schemeDelim <= 0 ||
(firstDelim != -1 && schemeDelim > firstDelim)) {
// find host name
PRInt32 hostPos = uriString.FindCharInSet("/:?#");
if (hostPos == -1)
hostPos = uriString.Length();
// extract host name
nsCAutoString hostSpec;
uriString.Left(hostSpec, hostPos);
// insert url spec corresponding to host name
if (IsLikelyFTP(hostSpec))
uriString.Assign(NS_LITERAL_CSTRING("ftp://") + uriString);
else
uriString.Assign(NS_LITERAL_CSTRING("http://") + uriString);
// For ftp & http, we want to use system charset.
if (!bAsciiURI)
bUseNonDefaultCharsetForURI = PR_TRUE;
} // end if checkprotocol
rv = NS_NewURI(aURI, uriString, bUseNonDefaultCharsetForURI ? GetCharsetForUrlBar() : nsnull);
// Did the caller want us to try an alternative URI?
// If so, attempt to fixup http://foo into http://www.foo.com
if (*aURI && aFixupFlags & FIXUP_FLAGS_MAKE_ALTERNATE_URI) {
MakeAlternateURI(*aURI);
}
// If we still haven't been able to construct a valid URI, try to force a
// keyword match. This catches search strings with '.' or ':' in them.
if (!*aURI && fixupKeywords)
{
KeywordToURI(aStringURI, aURI);
if(*aURI)
return NS_OK;
}
return rv;
}
nsresult
nsXHTMLContentSerializer::EscapeURI(nsIContent* aContent, const nsAString& aURI, nsAString& aEscapedURI)
{
// URL escape %xx cannot be used in JS.
// No escaping if the scheme is 'javascript'.
if (IsJavaScript(aContent, nsGkAtoms::href, kNameSpaceID_None, aURI)) {
aEscapedURI = aURI;
return NS_OK;
}
// nsITextToSubURI does charset convert plus uri escape
// This is needed to convert to a document charset which is needed to support existing browsers.
// But we eventually want to use UTF-8 instead of a document charset, then the code would be much simpler.
// See HTML 4.01 spec, "Appendix B.2.1 Non-ASCII characters in URI attribute values"
nsCOMPtr<nsITextToSubURI> textToSubURI;
nsAutoString uri(aURI); // in order to use FindCharInSet()
nsresult rv = NS_OK;
if (!mCharset.IsEmpty() && !IsASCII(uri)) {
textToSubURI = do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
}
int32_t start = 0;
int32_t end;
nsAutoString part;
nsXPIDLCString escapedURI;
aEscapedURI.Truncate(0);
// Loop and escape parts by avoiding escaping reserved characters
// (and '%', '#', as well as '[' and ']' for IPv6 address literals).
while ((end = uri.FindCharInSet("%#;/?:@&=+$,[]", start)) != -1) {
part = Substring(aURI, start, (end-start));
if (textToSubURI && !IsASCII(part)) {
rv = textToSubURI->ConvertAndEscape(mCharset.get(), part.get(), getter_Copies(escapedURI));
NS_ENSURE_SUCCESS(rv, rv);
} else if (NS_WARN_IF(!NS_Escape(NS_ConvertUTF16toUTF8(part), escapedURI,
url_Path))) {
return NS_ERROR_OUT_OF_MEMORY;
}
AppendASCIItoUTF16(escapedURI, aEscapedURI);
// Append a reserved character without escaping.
part = Substring(aURI, end, 1);
aEscapedURI.Append(part);
start = end + 1;
}
if (start < (int32_t) aURI.Length()) {
// Escape the remaining part.
part = Substring(aURI, start, aURI.Length()-start);
if (textToSubURI) {
rv = textToSubURI->ConvertAndEscape(mCharset.get(), part.get(), getter_Copies(escapedURI));
NS_ENSURE_SUCCESS(rv, rv);
} else if (NS_WARN_IF(!NS_Escape(NS_ConvertUTF16toUTF8(part), escapedURI,
url_Path))) {
return NS_ERROR_OUT_OF_MEMORY;
}
AppendASCIItoUTF16(escapedURI, aEscapedURI);
}
return rv;
}
bool IsASCII(const Unit &U) { return IsASCII(U.data(), U.size()); }
constexpr
static inline bool
IsPrintableASCII(TCHAR ch)
{
return IsASCII(ch) && ch >= 0x20;
}
bool SkeletonState::DecodeFisbone(ogg_packet* aPacket)
{
if (aPacket->bytes < static_cast<long>(FISBONE_MSG_FIELDS_OFFSET + 4)) {
return false;
}
uint32_t offsetMsgField = LittleEndian::readUint32(aPacket->packet + FISBONE_MSG_FIELDS_OFFSET);
if (aPacket->bytes < static_cast<long>(FISBONE_SERIALNO_OFFSET + 4)) {
return false;
}
uint32_t serialno = LittleEndian::readUint32(aPacket->packet + FISBONE_SERIALNO_OFFSET);
CheckedUint32 checked_fields_pos = CheckedUint32(FISBONE_MSG_FIELDS_OFFSET) + offsetMsgField;
if (!checked_fields_pos.isValid() ||
aPacket->bytes < static_cast<int64_t>(checked_fields_pos.value())) {
return false;
}
int64_t msgLength = aPacket->bytes - checked_fields_pos.value();
char* msgProbe = (char*)aPacket->packet + checked_fields_pos.value();
char* msgHead = msgProbe;
nsAutoPtr<MessageField> field(new MessageField());
const static FieldPatternType kFieldTypeMaps[] = {
{"Content-Type:", eContentType},
{"Role:", eRole},
{"Name:", eName},
{"Language:", eLanguage},
{"Title:", eTitle},
{"Display-hint:", eDisplayHint},
{"Altitude:", eAltitude},
{"TrackOrder:", eTrackOrder},
{"Track dependencies:", eTrackDependencies}
};
bool isContentTypeParsed = false;
while (msgLength > 1) {
if (*msgProbe == '\r' && *(msgProbe+1) == '\n') {
nsAutoCString strMsg(msgHead, msgProbe-msgHead);
for (size_t i = 0; i < ArrayLength(kFieldTypeMaps); i++) {
if (strMsg.Find(kFieldTypeMaps[i].mPatternToRecognize) != -1) {
// The content of message header fields follows [RFC2822], and the
// mandatory message field must be encoded in US-ASCII, others
// must be be encoded in UTF-8. "Content-Type" must come first
// for all of message header fields.
// See http://svn.annodex.net/standards/draft-pfeiffer-oggskeleton-current.txt.
if (i != 0 && !isContentTypeParsed) {
return false;
}
if ((i == 0 && IsASCII(strMsg)) || (i != 0 && IsUTF8(strMsg))) {
EMsgHeaderType eHeaderType = kFieldTypeMaps[i].mMsgHeaderType;
if (!field->mValuesStore.Contains(eHeaderType)) {
uint32_t nameLen = strlen(kFieldTypeMaps[i].mPatternToRecognize);
field->mValuesStore.Put(eHeaderType, new nsCString(msgHead+nameLen,
msgProbe-msgHead-nameLen));
}
isContentTypeParsed = i==0 ? true : isContentTypeParsed;
}
break;
}
}
msgProbe += 2;
msgLength -= 2;
msgHead = msgProbe;
continue;
}
msgLength--;
msgProbe++;
};
if (!mMsgFieldStore.Contains(serialno)) {
mMsgFieldStore.Put(serialno, field.forget());
} else {
return false;
}
return true;
}
