зеркало из https://github.com/mozilla/pjs.git
b=79153 r=javi sr=blizzard
Crypto key generation feedback, prevent crash, cleanup code, add a call from second code path.
This commit is contained in:
kaie%netscape.com
Родитель
a9e3165363
Коммит
f2dd5922e1
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@ -23,6 +23,8 @@
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#include "nsNSSComponent.h"
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#include "nsCrypto.h"
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#include "nsKeygenHandler.h"
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#include "nsKeygenThread.h"
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#include "nsINSSDialogs.h"
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#include "nsNSSCertificate.h"
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#include "nsPKCS12Blob.h"
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#include "nsPK11TokenDB.h"
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@ -595,6 +597,10 @@ cryptojs_generateOneKeyPair(JSContext *cx, nsKeyPairInfo *keyPairInfo,
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PK11SlotInfo *slot, PRBool willEscrow)
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{
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nsIGeneratingKeypairInfoDialogs * dialogs;
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nsKeygenThread *KeygenRunnable = 0;
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nsCOMPtr<nsIKeygenThread> runnable;
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PRUint32 mechanism = cryptojs_convert_to_mechanism(keyPairInfo->keyGenType);
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void *keyGenParams = nsConvertToActualKeyGenParams(mechanism, params,
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(params) ? nsCRT::strlen(params):0,
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@ -634,11 +640,46 @@ cryptojs_generateOneKeyPair(JSContext *cx, nsKeyPairInfo *keyPairInfo,
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isPerm = PR_TRUE;
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}
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rv = getNSSDialogs((void**)&dialogs,
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NS_GET_IID(nsIGeneratingKeypairInfoDialogs));
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if (NS_SUCCEEDED(rv)) {
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KeygenRunnable = new nsKeygenThread();
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if (KeygenRunnable) {
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NS_ADDREF(KeygenRunnable);
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}
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}
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if (NS_FAILED(rv) || !KeygenRunnable) {
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rv = NS_OK;
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keyPairInfo->privKey = PK11_GenerateKeyPair(slot, mechanism, keyGenParams,
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&keyPairInfo->pubKey, isPerm,
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isPerm, uiCxt);
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} else {
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KeygenRunnable->SetParams( slot, mechanism, keyGenParams, isPerm, isPerm, uiCxt );
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runnable = do_QueryInterface(KeygenRunnable);
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if (runnable) {
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rv = dialogs->DisplayGeneratingKeypairInfo(uiCxt, runnable);
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// We call join on the thread,
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// so we can be sure that no simultaneous access to the passed parameters will happen.
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KeygenRunnable->Join();
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NS_RELEASE(dialogs);
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if (!NS_FAILED(rv)) {
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rv = KeygenRunnable->GetParams(&keyPairInfo->privKey, &keyPairInfo->pubKey);
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}
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}
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}
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nsFreeKeyGenParams(mechanism, keyGenParams);
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if (KeygenRunnable) {
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NS_RELEASE(KeygenRunnable);
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}
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if (!keyPairInfo->privKey || !keyPairInfo->pubKey) {
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if (intSlot)
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PK11_FreeSlot(intSlot);
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@ -358,7 +358,7 @@ nsKeygenFormProcessor::GetPublicKey(nsString& aValue, nsString& aChallenge,
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CERTPublicKeyAndChallenge pkac;
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SECKeySizeChoiceInfo *choice = SECKeySizeChoiceList;
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nsIGeneratingKeypairInfoDialogs * dialogs;
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nsKeygenThread KeygenRunnable;
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nsKeygenThread *KeygenRunnable = 0;
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nsCOMPtr<nsIKeygenThread> runnable;
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// Get the key size //
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@ -440,40 +440,37 @@ found_match:
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rv = getNSSDialogs((void**)&dialogs,
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NS_GET_IID(nsIGeneratingKeypairInfoDialogs));
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if (NS_FAILED(rv)) {
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if (NS_SUCCEEDED(rv)) {
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KeygenRunnable = new nsKeygenThread();
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if (KeygenRunnable) {
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NS_ADDREF(KeygenRunnable);
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}
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}
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if (NS_FAILED(rv) || !KeygenRunnable) {
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rv = NS_OK;
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privateKey = PK11_GenerateKeyPair(slot, keyGenMechanism, params,
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&publicKey, PR_TRUE, PR_TRUE, nsnull);
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} else {
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GenerateKeypairParameters gkp;
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gkp.privateKey = nsnull;
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gkp.publicKey = nsnull;
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gkp.slot = slot;
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gkp.keyGenMechanism = keyGenMechanism;
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gkp.params = params;
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KeygenRunnable.SetParams(&gkp);
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// Our parameters instance will be modified by the thread.
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KeygenRunnable->SetParams( slot, keyGenMechanism, params, PR_TRUE, PR_TRUE, nsnull );
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runnable = do_QueryInterface(&KeygenRunnable);
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runnable = do_QueryInterface(KeygenRunnable);
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if (runnable) {
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rv = dialogs->DisplayGeneratingKeypairInfo(m_ctx, runnable);
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// We call join on the thread,
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// so we can be sure that no simultaneous access will happen.
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KeygenRunnable.Join();
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// so we can be sure that no simultaneous access to the passed parameters will happen.
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KeygenRunnable->Join();
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NS_RELEASE(dialogs);
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if (!NS_FAILED(rv)) {
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privateKey = gkp.privateKey;
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publicKey = gkp.publicKey;
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slot = gkp.slot;
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keyGenMechanism = gkp.keyGenMechanism;
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params = gkp.params;
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rv = KeygenRunnable->GetParams(&privateKey, &publicKey);
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}
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}
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}
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if (!privateKey) {
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if (NS_FAILED(rv) || !privateKey) {
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goto loser;
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}
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// just in case we'll need to authenticate to the db -jp //
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@ -547,6 +544,9 @@ loser:
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if (slot != nsnull) {
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PK11_FreeSlot(slot);
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}
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if (KeygenRunnable) {
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NS_RELEASE(KeygenRunnable);
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}
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return rv;
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}
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@ -32,25 +32,94 @@ nsKeygenThread::nsKeygenThread()
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iAmRunning(PR_FALSE),
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keygenReady(PR_FALSE),
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statusDialogClosed(PR_FALSE),
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threadHandle(nsnull),
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params(nsnull)
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alreadyReceivedParams(PR_FALSE),
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privateKey(nsnull),
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publicKey(nsnull),
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slot(nsnull),
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keyGenMechanism(0),
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params(nsnull),
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isPerm(PR_FALSE),
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isSensitive(PR_FALSE),
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wincx(nsnull),
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threadHandle(nsnull)
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{
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NS_INIT_ISUPPORTS();
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mutex = PR_NewLock();
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}
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nsKeygenThread::~nsKeygenThread()
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{
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if (mutex)
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if (mutex) {
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PR_DestroyLock(mutex);
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}
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void nsKeygenThread::SetParams(GenerateKeypairParameters *p)
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if (statusDialogPtr) {
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NS_RELEASE(statusDialogPtr);
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}
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}
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void nsKeygenThread::SetParams(
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PK11SlotInfo *a_slot,
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PRUint32 a_keyGenMechanism,
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void *a_params,
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PRBool a_isPerm,
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PRBool a_isSensitive,
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void *a_wincx )
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{
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PR_Lock(mutex);
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params = p;
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if (!alreadyReceivedParams) {
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alreadyReceivedParams = PR_TRUE;
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if (a_slot) {
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slot = PK11_ReferenceSlot(a_slot);
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}
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else {
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slot = nsnull;
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}
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keyGenMechanism = a_keyGenMechanism;
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params = a_params;
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isPerm = a_isPerm;
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isSensitive = a_isSensitive;
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wincx = a_wincx;
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}
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PR_Unlock(mutex);
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}
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nsresult nsKeygenThread::GetParams(
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SECKEYPrivateKey **a_privateKey,
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SECKEYPublicKey **a_publicKey)
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{
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if (!a_privateKey || !a_publicKey) {
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return NS_ERROR_FAILURE;
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}
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nsresult rv;
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PR_Lock(mutex);
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// GetParams must not be called until thread creator called
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// Join on this thread.
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NS_ASSERTION(keygenReady, "logic error in nsKeygenThread::GetParams");
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if (keygenReady) {
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*a_privateKey = privateKey;
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*a_publicKey = publicKey;
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privateKey = 0;
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publicKey = 0;
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rv = NS_OK;
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}
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else {
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rv = NS_ERROR_FAILURE;
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}
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PR_Unlock(mutex);
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return rv;
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}
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static void PR_CALLBACK nsKeygenThreadRunner(void *arg)
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{
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nsKeygenThread *self = NS_STATIC_CAST(nsKeygenThread *, arg);
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@ -78,15 +147,15 @@ nsresult nsKeygenThread::StartKeyGeneration(nsIDOMWindowInternal *statusDialog)
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PR_Lock(mutex);
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statusDialogPtr = wi;
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NS_ADDREF(statusDialogPtr);
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wi = 0;
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if (iAmRunning || keygenReady) {
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PR_Unlock(mutex);
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return NS_OK;
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}
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statusDialogPtr = wi;
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NS_ADDREF(statusDialogPtr);
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wi = 0;
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iAmRunning = PR_TRUE;
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threadHandle = PR_CreateThread(PR_USER_THREAD, nsKeygenThreadRunner, NS_STATIC_CAST(void*, this),
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@ -119,8 +188,6 @@ nsresult nsKeygenThread::UserCanceled(PRBool *threadAlreadyClosedDialog)
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// it again to avoid problems.
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statusDialogClosed = PR_TRUE;
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NS_RELEASE(statusDialogPtr);
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PR_Unlock(mutex);
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return NS_OK;
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@ -128,22 +195,21 @@ nsresult nsKeygenThread::UserCanceled(PRBool *threadAlreadyClosedDialog)
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void nsKeygenThread::Run(void)
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{
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GenerateKeypairParameters *p = 0;
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PRBool canGenerate = PR_FALSE;
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PR_Lock(mutex);
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if (params) {
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p = params;
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// Make sure it's impossible that will use the same parameters again.
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params = 0;
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if (alreadyReceivedParams) {
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canGenerate = PR_TRUE;
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keygenReady = PR_FALSE;
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}
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PR_Unlock(mutex);
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if (p)
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p->privateKey = PK11_GenerateKeyPair(p->slot, p->keyGenMechanism,
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p->params, &p->publicKey,
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PR_TRUE, PR_TRUE, nsnull);
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if (canGenerate)
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privateKey = PK11_GenerateKeyPair(slot, keyGenMechanism,
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params, &publicKey,
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isPerm, isSensitive, wincx);
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// This call gave us ownership over privateKey and publicKey.
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// But as the params structure is owner by our caller,
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@ -158,6 +224,15 @@ void nsKeygenThread::Run(void)
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keygenReady = PR_TRUE;
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iAmRunning = PR_FALSE;
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// forget our parameters
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if (slot) {
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PK11_FreeSlot(slot);
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slot = 0;
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}
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keyGenMechanism = 0;
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params = 0;
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wincx = 0;
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if (!statusDialogClosed)
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windowToClose = statusDialogPtr;
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@ -26,15 +26,6 @@
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#include "nsIKeygenThread.h"
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struct GenerateKeypairParameters
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{
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SECKEYPrivateKey *privateKey;
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SECKEYPublicKey *publicKey;
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PK11SlotInfo *slot;
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PRUint32 keyGenMechanism;
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void *params;
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};
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class nsKeygenThread : public nsIKeygenThread
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{
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private:
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@ -45,11 +36,19 @@ private:
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PRBool iAmRunning;
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PRBool keygenReady;
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PRBool statusDialogClosed;
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PRBool alreadyReceivedParams;
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SECKEYPrivateKey *privateKey;
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SECKEYPublicKey *publicKey;
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PK11SlotInfo *slot;
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PRUint32 keyGenMechanism;
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void *params;
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PRBool isPerm;
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PRBool isSensitive;
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void *wincx;
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PRThread *threadHandle;
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GenerateKeypairParameters *params;
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public:
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nsKeygenThread();
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virtual ~nsKeygenThread();
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@ -57,10 +56,17 @@ public:
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NS_DECL_NSIKEYGENTHREAD
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NS_DECL_ISUPPORTS
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// This transfers a reference of parameters to the thread
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// The parameters will not be copied, the caller keeps ownership.
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// Once the thread is finished, the original instance will be accessed
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void SetParams(GenerateKeypairParameters *p);
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void SetParams(
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PK11SlotInfo *a_slot,
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PRUint32 a_keyGenMechanism,
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void *a_params,
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PRBool a_isPerm,
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PRBool a_isSensitive,
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void *a_wincx );
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nsresult GetParams(
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SECKEYPrivateKey **a_privateKey,
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SECKEYPublicKey **a_publicKey);
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void Join(void);
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