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tenfourfox/security/manager/ssl/nsNSSCertificateDB.cpp
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// XXX: This must be done prior to including cert.h (directly or indirectly).
// CERT_AddTempCertToPerm is exposed as __CERT_AddTempCertToPerm, but it is
// only exported so PSM can use it for this specific purpose.
#define CERT_AddTempCertToPerm __CERT_AddTempCertToPerm
#include "nsNSSComponent.h"
#include "nsNSSCertificateDB.h"
#include "CertVerifier.h"
#include "ExtendedValidation.h"
#include "NSSCertDBTrustDomain.h"
#include "pkix/pkixtypes.h"
#include "pkix/Time.h"
#include "nsNSSComponent.h"
#include "mozilla/Base64.h"
#include "nsCOMPtr.h"
#include "nsNSSCertificate.h"
#include "nsNSSHelper.h"
#include "nsNSSCertHelper.h"
#include "nsCRT.h"
#include "nsICertificateDialogs.h"
#include "nsNSSCertTrust.h"
#include "nsIFile.h"
#include "nsPKCS12Blob.h"
#include "nsPK11TokenDB.h"
#include "nsReadableUtils.h"
#include "nsIMutableArray.h"
#include "nsArrayUtils.h"
#include "nsNSSShutDown.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch.h"
#include "nsComponentManagerUtils.h"
#include "nsIPrompt.h"
#include "nsThreadUtils.h"
#include "nsIObserverService.h"
#include "SharedSSLState.h"
#include "nspr.h"
#include "certdb.h"
#include "secerr.h"
#include "nssb64.h"
#include "secasn1.h"
#include "secder.h"
#include "ssl.h"
#include "plbase64.h"
using namespace mozilla;
using namespace mozilla::psm;
using mozilla::psm::SharedSSLState;
extern PRLogModuleInfo* gPIPNSSLog;
static nsresult
attemptToLogInWithDefaultPassword()
{
#ifdef NSS_DISABLE_DBM
// The SQL NSS DB requires the user to be authenticated to set certificate
// trust settings, even if the user's password is empty. To maintain
// compatibility with the DBM-based database, try to log in with the
// default empty password. This will allow, at least, tests that need to
// change certificate trust to pass on all platforms. TODO(bug 978120): Do
// proper testing and/or implement a better solution so that we are confident
// that this does the correct thing outside of xpcshell tests too.
ScopedPK11SlotInfo slot(PK11_GetInternalKeySlot());
if (!slot) {
return MapSECStatus(SECFailure);
}
if (PK11_NeedUserInit(slot)) {
// Ignore the return value. Presumably PK11_InitPin will fail if the user
// has a non-default password.
(void) PK11_InitPin(slot, nullptr, nullptr);
}
#endif
return NS_OK;
}
NS_IMPL_ISUPPORTS(nsNSSCertificateDB, nsIX509CertDB)
nsNSSCertificateDB::~nsNSSCertificateDB()
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return;
}
shutdown(calledFromObject);
}
NS_IMETHODIMP
nsNSSCertificateDB::FindCertByNickname(nsISupports *aToken,
const nsAString &nickname,
nsIX509Cert **_rvCert)
{
NS_ENSURE_ARG_POINTER(_rvCert);
*_rvCert = nullptr;
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
ScopedCERTCertificate cert;
char *asciiname = nullptr;
NS_ConvertUTF16toUTF8 aUtf8Nickname(nickname);
asciiname = const_cast<char*>(aUtf8Nickname.get());
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("Getting \"%s\"\n", asciiname));
cert = PK11_FindCertFromNickname(asciiname, nullptr);
if (!cert) {
cert = CERT_FindCertByNickname(CERT_GetDefaultCertDB(), asciiname);
}
if (cert) {
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("got it\n"));
nsCOMPtr<nsIX509Cert> pCert = nsNSSCertificate::Create(cert.get());
if (pCert) {
pCert.forget(_rvCert);
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsNSSCertificateDB::FindCertByDBKey(const char *aDBkey, nsISupports *aToken,
nsIX509Cert **_cert)
{
NS_ENSURE_ARG_POINTER(aDBkey);
NS_ENSURE_ARG(aDBkey[0]);
NS_ENSURE_ARG_POINTER(_cert);
*_cert = nullptr;
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
SECItem keyItem = {siBuffer, nullptr, 0};
SECItem *dummy;
CERTIssuerAndSN issuerSN;
//unsigned long moduleID,slotID;
dummy = NSSBase64_DecodeBuffer(nullptr, &keyItem, aDBkey,
(uint32_t)strlen(aDBkey));
if (!dummy || keyItem.len < NS_NSS_LONG*4) {
PR_FREEIF(keyItem.data);
return NS_ERROR_INVALID_ARG;
}
ScopedCERTCertificate cert;
// someday maybe we can speed up the search using the moduleID and slotID
// moduleID = NS_NSS_GET_LONG(keyItem.data);
// slotID = NS_NSS_GET_LONG(&keyItem.data[NS_NSS_LONG]);
// build the issuer/SN structure
issuerSN.serialNumber.len = NS_NSS_GET_LONG(&keyItem.data[NS_NSS_LONG*2]);
issuerSN.derIssuer.len = NS_NSS_GET_LONG(&keyItem.data[NS_NSS_LONG*3]);
if (issuerSN.serialNumber.len == 0 || issuerSN.derIssuer.len == 0
|| issuerSN.serialNumber.len + issuerSN.derIssuer.len
!= keyItem.len - NS_NSS_LONG*4) {
PR_FREEIF(keyItem.data);
return NS_ERROR_INVALID_ARG;
}
issuerSN.serialNumber.data= &keyItem.data[NS_NSS_LONG*4];
issuerSN.derIssuer.data= &keyItem.data[NS_NSS_LONG*4+
issuerSN.serialNumber.len];
cert = CERT_FindCertByIssuerAndSN(CERT_GetDefaultCertDB(), &issuerSN);
PR_FREEIF(keyItem.data);
if (cert) {
nsCOMPtr<nsIX509Cert> nssCert = nsNSSCertificate::Create(cert.get());
if (!nssCert)
return NS_ERROR_OUT_OF_MEMORY;
nssCert.forget(_cert);
}
return NS_OK;
}
NS_IMETHODIMP
nsNSSCertificateDB::FindCertNicknames(nsISupports *aToken,
uint32_t aType,
uint32_t *_count,
char16_t ***_certNames)
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
nsresult rv = NS_ERROR_FAILURE;
/*
* obtain the cert list from NSS
*/
ScopedCERTCertList certList(PK11_ListCerts(PK11CertListUnique, nullptr));
if (!certList)
goto cleanup;
/*
* get list of cert names from list of certs
* XXX also cull the list (NSS only distinguishes based on user/non-user
*/
getCertNames(certList.get(), aType, _count, _certNames, locker);
rv = NS_OK;
/*
* finish up
*/
cleanup:
return rv;
}
SECStatus
collect_certs(void *arg, SECItem **certs, int numcerts)
{
CERTDERCerts *collectArgs;
SECItem *cert;
SECStatus rv;
collectArgs = (CERTDERCerts *)arg;
collectArgs->numcerts = numcerts;
collectArgs->rawCerts = (SECItem *) PORT_ArenaZAlloc(collectArgs->arena,
sizeof(SECItem) * numcerts);
if (!collectArgs->rawCerts)
return(SECFailure);
cert = collectArgs->rawCerts;
while ( numcerts-- ) {
rv = SECITEM_CopyItem(collectArgs->arena, cert, *certs);
if ( rv == SECFailure )
return(SECFailure);
cert++;
certs++;
}
return (SECSuccess);
}
CERTDERCerts*
nsNSSCertificateDB::getCertsFromPackage(PLArenaPool *arena, uint8_t *data,
uint32_t length,
const nsNSSShutDownPreventionLock &/*proofOfLock*/)
{
CERTDERCerts *collectArgs =
(CERTDERCerts *)PORT_ArenaZAlloc(arena, sizeof(CERTDERCerts));
if (!collectArgs)
return nullptr;
collectArgs->arena = arena;
SECStatus sec_rv = CERT_DecodeCertPackage(reinterpret_cast<char *>(data),
length, collect_certs,
(void *)collectArgs);
if (sec_rv != SECSuccess)
return nullptr;
return collectArgs;
}
nsresult
nsNSSCertificateDB::handleCACertDownload(nsIArray *x509Certs,
nsIInterfaceRequestor *ctx,
const nsNSSShutDownPreventionLock &proofOfLock)
{
// First thing we have to do is figure out which certificate we're
// gonna present to the user. The CA may have sent down a list of
// certs which may or may not be a chained list of certs. Until
// the day we can design some solid UI for the general case, we'll
// code to the > 90% case. That case is where a CA sends down a
// list that is a hierarchy whose root is either the first or
// the last cert. What we're gonna do is compare the first
// 2 entries, if the second was signed by the first, we assume
// the root cert is the first cert and display it. Otherwise,
// we compare the last 2 entries, if the second to last cert was
// signed by the last cert, then we assume the last cert is the
// root and display it.
uint32_t numCerts;
x509Certs->GetLength(&numCerts);
NS_ASSERTION(numCerts > 0, "Didn't get any certs to import.");
if (numCerts == 0)
return NS_OK; // Nothing to import, so nothing to do.
nsCOMPtr<nsIX509Cert> certToShow;
nsCOMPtr<nsISupports> isupports;
uint32_t selCertIndex;
if (numCerts == 1) {
// There's only one cert, so let's show it.
selCertIndex = 0;
certToShow = do_QueryElementAt(x509Certs, selCertIndex);
} else {
nsCOMPtr<nsIX509Cert> cert0; // first cert
nsCOMPtr<nsIX509Cert> cert1; // second cert
nsCOMPtr<nsIX509Cert> certn_2; // second to last cert
nsCOMPtr<nsIX509Cert> certn_1; // last cert
cert0 = do_QueryElementAt(x509Certs, 0);
cert1 = do_QueryElementAt(x509Certs, 1);
certn_2 = do_QueryElementAt(x509Certs, numCerts-2);
certn_1 = do_QueryElementAt(x509Certs, numCerts-1);
nsXPIDLString cert0SubjectName;
nsXPIDLString cert1IssuerName;
nsXPIDLString certn_2IssuerName;
nsXPIDLString certn_1SubjectName;
cert0->GetSubjectName(cert0SubjectName);
cert1->GetIssuerName(cert1IssuerName);
certn_2->GetIssuerName(certn_2IssuerName);
certn_1->GetSubjectName(certn_1SubjectName);
if (cert1IssuerName.Equals(cert0SubjectName)) {
// In this case, the first cert in the list signed the second,
// so the first cert is the root. Let's display it.
selCertIndex = 0;
certToShow = cert0;
} else
if (certn_2IssuerName.Equals(certn_1SubjectName)) {
// In this case the last cert has signed the second to last cert.
// The last cert is the root, so let's display it.
selCertIndex = numCerts-1;
certToShow = certn_1;
} else {
// It's not a chain, so let's just show the first one in the
// downloaded list.
selCertIndex = 0;
certToShow = cert0;
}
}
if (!certToShow)
return NS_ERROR_FAILURE;
nsCOMPtr<nsICertificateDialogs> dialogs;
nsresult rv = ::getNSSDialogs(getter_AddRefs(dialogs),
NS_GET_IID(nsICertificateDialogs),
NS_CERTIFICATEDIALOGS_CONTRACTID);
if (NS_FAILED(rv))
return rv;
SECItem der;
rv=certToShow->GetRawDER(&der.len, (uint8_t **)&der.data);
if (NS_FAILED(rv))
return rv;
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("Creating temp cert\n"));
CERTCertDBHandle *certdb = CERT_GetDefaultCertDB();
ScopedCERTCertificate tmpCert(CERT_FindCertByDERCert(certdb, &der));
if (!tmpCert) {
tmpCert = CERT_NewTempCertificate(certdb, &der,
nullptr, false, true);
}
free(der.data);
der.data = nullptr;
der.len = 0;
if (!tmpCert) {
NS_ERROR("Couldn't create cert from DER blob");
return NS_ERROR_FAILURE;
}
if (!CERT_IsCACert(tmpCert.get(), nullptr)) {
DisplayCertificateAlert(ctx, "NotACACert", certToShow, proofOfLock);
return NS_ERROR_FAILURE;
}
if (tmpCert->isperm) {
DisplayCertificateAlert(ctx, "CaCertExists", certToShow, proofOfLock);
return NS_ERROR_FAILURE;
}
uint32_t trustBits;
bool allows;
rv = dialogs->ConfirmDownloadCACert(ctx, certToShow, &trustBits, &allows);
if (NS_FAILED(rv))
return rv;
if (!allows)
return NS_ERROR_NOT_AVAILABLE;
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("trust is %d\n", trustBits));
nsXPIDLCString nickname;
nickname.Adopt(CERT_MakeCANickname(tmpCert.get()));
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("Created nick \"%s\"\n", nickname.get()));
nsNSSCertTrust trust;
trust.SetValidCA();
trust.AddCATrust(!!(trustBits & nsIX509CertDB::TRUSTED_SSL),
!!(trustBits & nsIX509CertDB::TRUSTED_EMAIL),
!!(trustBits & nsIX509CertDB::TRUSTED_OBJSIGN));
SECStatus srv = __CERT_AddTempCertToPerm(tmpCert.get(),
const_cast<char*>(nickname.get()),
trust.GetTrust());
if (srv != SECSuccess)
return NS_ERROR_FAILURE;
// Import additional delivered certificates that can be verified.
// build a CertList for filtering
ScopedCERTCertList certList(CERT_NewCertList());
if (!certList) {
return NS_ERROR_FAILURE;
}
// get all remaining certs into temp store
for (uint32_t i=0; i<numCerts; i++) {
if (i == selCertIndex) {
// we already processed that one
continue;
}
certToShow = do_QueryElementAt(x509Certs, i);
certToShow->GetRawDER(&der.len, (uint8_t **)&der.data);
CERTCertificate *tmpCert2 =
CERT_NewTempCertificate(certdb, &der, nullptr, false, true);
free(der.data);
der.data = nullptr;
der.len = 0;
if (!tmpCert2) {
NS_ERROR("Couldn't create temp cert from DER blob");
continue; // Let's try to import the rest of 'em
}
CERT_AddCertToListTail(certList.get(), tmpCert2);
}
return ImportValidCACertsInList(certList.get(), ctx, proofOfLock);
}
NS_IMETHODIMP
nsNSSCertificateDB::ImportCertificates(uint8_t * data, uint32_t length,
uint32_t type,
nsIInterfaceRequestor *ctx)
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
nsresult nsrv;
PLArenaPool *arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if (!arena)
return NS_ERROR_OUT_OF_MEMORY;
CERTDERCerts *certCollection = getCertsFromPackage(arena, data, length, locker);
if (!certCollection) {
PORT_FreeArena(arena, false);
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIMutableArray> array =
do_CreateInstance(NS_ARRAY_CONTRACTID, &nsrv);
if (NS_FAILED(nsrv)) {
PORT_FreeArena(arena, false);
return nsrv;
}
// Now let's create some certs to work with
nsCOMPtr<nsIX509Cert> x509Cert;
nsNSSCertificate *nssCert;
SECItem *currItem;
for (int i=0; i<certCollection->numcerts; i++) {
currItem = &certCollection->rawCerts[i];
nssCert = nsNSSCertificate::ConstructFromDER((char*)currItem->data, currItem->len);
if (!nssCert)
return NS_ERROR_FAILURE;
x509Cert = do_QueryInterface((nsIX509Cert*)nssCert);
array->AppendElement(x509Cert, false);
}
switch (type) {
case nsIX509Cert::CA_CERT:
nsrv = handleCACertDownload(array, ctx, locker);
break;
default:
// We only deal with import CA certs in this method currently.
nsrv = NS_ERROR_FAILURE;
break;
}
PORT_FreeArena(arena, false);
return nsrv;
}
static
SECStatus
ImportCertsIntoPermanentStorage(
const ScopedCERTCertList& certChain,
const SECCertUsage usage, const PRBool caOnly)
{
CERTCertDBHandle *certdb = CERT_GetDefaultCertDB();
int chainLen = 0;
for (CERTCertListNode *chainNode = CERT_LIST_HEAD(certChain);
!CERT_LIST_END(chainNode, certChain);
chainNode = CERT_LIST_NEXT(chainNode)) {
chainLen++;
}
SECItem **rawArray;
rawArray = (SECItem **) PORT_Alloc(chainLen * sizeof(SECItem *));
if (!rawArray) {
return SECFailure;
}
int i = 0;
for (CERTCertListNode *chainNode = CERT_LIST_HEAD(certChain);
!CERT_LIST_END(chainNode, certChain);
chainNode = CERT_LIST_NEXT(chainNode), i++) {
rawArray[i] = &chainNode->cert->derCert;
}
SECStatus srv = CERT_ImportCerts(certdb, usage, chainLen, rawArray,
nullptr, true, caOnly, nullptr);
PORT_Free(rawArray);
return srv;
}
NS_IMETHODIMP
nsNSSCertificateDB::ImportEmailCertificate(uint8_t * data, uint32_t length,
nsIInterfaceRequestor *ctx)
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
SECStatus srv = SECFailure;
nsresult nsrv = NS_OK;
CERTCertDBHandle *certdb;
CERTCertificate **certArray = nullptr;
ScopedCERTCertList certList;
CERTCertListNode *node;
SECItem **rawArray;
int numcerts;
int i;
PLArenaPool *arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if (!arena)
return NS_ERROR_OUT_OF_MEMORY;
CERTDERCerts *certCollection = getCertsFromPackage(arena, data, length, locker);
if (!certCollection) {
PORT_FreeArena(arena, false);
return NS_ERROR_FAILURE;
}
RefPtr<SharedCertVerifier> certVerifier(GetDefaultCertVerifier());
NS_ENSURE_TRUE(certVerifier, NS_ERROR_UNEXPECTED);
certdb = CERT_GetDefaultCertDB();
numcerts = certCollection->numcerts;
rawArray = (SECItem **) PORT_Alloc(sizeof(SECItem *) * numcerts);
if ( !rawArray ) {
nsrv = NS_ERROR_FAILURE;
goto loser;
}
for (i=0; i < numcerts; i++) {
rawArray[i] = &certCollection->rawCerts[i];
}
srv = CERT_ImportCerts(certdb, certUsageEmailRecipient, numcerts, rawArray,
&certArray, false, false, nullptr);
PORT_Free(rawArray);
rawArray = nullptr;
if (srv != SECSuccess) {
nsrv = NS_ERROR_FAILURE;
goto loser;
}
// build a CertList for filtering
certList = CERT_NewCertList();
if (!certList) {
nsrv = NS_ERROR_FAILURE;
goto loser;
}
for (i=0; i < numcerts; i++) {
CERTCertificate *cert = certArray[i];
if (cert)
cert = CERT_DupCertificate(cert);
if (cert)
CERT_AddCertToListTail(certList.get(), cert);
}
/* go down the remaining list of certs and verify that they have
* valid chains, then import them.
*/
for (node = CERT_LIST_HEAD(certList);
!CERT_LIST_END(node,certList);
node = CERT_LIST_NEXT(node)) {
if (!node->cert) {
continue;
}
ScopedCERTCertList certChain;
SECStatus rv = certVerifier->VerifyCert(node->cert,
certificateUsageEmailRecipient,
mozilla::pkix::Now(), ctx,
nullptr, 0, nullptr, &certChain);
if (rv != SECSuccess) {
nsCOMPtr<nsIX509Cert> certToShow = nsNSSCertificate::Create(node->cert);
DisplayCertificateAlert(ctx, "NotImportingUnverifiedCert", certToShow, locker);
continue;
}
rv = ImportCertsIntoPermanentStorage(certChain, certUsageEmailRecipient,
false);
if (rv != SECSuccess) {
goto loser;
}
CERT_SaveSMimeProfile(node->cert, nullptr, nullptr);
}
loser:
if (certArray) {
CERT_DestroyCertArray(certArray, numcerts);
}
if (arena)
PORT_FreeArena(arena, true);
return nsrv;
}
NS_IMETHODIMP
nsNSSCertificateDB::ImportServerCertificate(uint8_t * data, uint32_t length,
nsIInterfaceRequestor *ctx)
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
SECStatus srv = SECFailure;
nsresult nsrv = NS_OK;
ScopedCERTCertificate cert;
SECItem **rawCerts = nullptr;
int numcerts;
int i;
nsNSSCertTrust trust;
char *serverNickname = nullptr;
PLArenaPool *arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if (!arena)
return NS_ERROR_OUT_OF_MEMORY;
CERTDERCerts *certCollection = getCertsFromPackage(arena, data, length, locker);
if (!certCollection) {
PORT_FreeArena(arena, false);
return NS_ERROR_FAILURE;
}
cert = CERT_NewTempCertificate(CERT_GetDefaultCertDB(), certCollection->rawCerts,
nullptr, false, true);
if (!cert) {
nsrv = NS_ERROR_FAILURE;
goto loser;
}
numcerts = certCollection->numcerts;
rawCerts = (SECItem **) PORT_Alloc(sizeof(SECItem *) * numcerts);
if ( !rawCerts ) {
nsrv = NS_ERROR_FAILURE;
goto loser;
}
for ( i = 0; i < numcerts; i++ ) {
rawCerts[i] = &certCollection->rawCerts[i];
}
serverNickname = DefaultServerNicknameForCert(cert.get());
srv = CERT_ImportCerts(CERT_GetDefaultCertDB(), certUsageSSLServer,
numcerts, rawCerts, nullptr, true, false,
serverNickname);
PR_FREEIF(serverNickname);
if ( srv != SECSuccess ) {
nsrv = NS_ERROR_FAILURE;
goto loser;
}
trust.SetValidServerPeer();
srv = CERT_ChangeCertTrust(CERT_GetDefaultCertDB(), cert.get(),
trust.GetTrust());
if ( srv != SECSuccess ) {
nsrv = NS_ERROR_FAILURE;
goto loser;
}
loser:
PORT_Free(rawCerts);
if (arena)
PORT_FreeArena(arena, true);
return nsrv;
}
nsresult
nsNSSCertificateDB::ImportValidCACerts(int numCACerts, SECItem *CACerts, nsIInterfaceRequestor *ctx, const nsNSSShutDownPreventionLock &proofOfLock)
{
ScopedCERTCertList certList;
SECItem **rawArray;
// build a CertList for filtering
certList = CERT_NewCertList();
if (!certList) {
return NS_ERROR_FAILURE;
}
// get all certs into temp store
SECStatus srv = SECFailure;
CERTCertificate **certArray = nullptr;
rawArray = (SECItem **) PORT_Alloc(sizeof(SECItem *) * numCACerts);
if ( !rawArray ) {
return NS_ERROR_FAILURE;
}
for (int i=0; i < numCACerts; i++) {
rawArray[i] = &CACerts[i];
}
srv = CERT_ImportCerts(CERT_GetDefaultCertDB(), certUsageAnyCA, numCACerts, rawArray,
&certArray, false, true, nullptr);
PORT_Free(rawArray);
rawArray = nullptr;
if (srv != SECSuccess) {
return NS_ERROR_FAILURE;
}
for (int i2=0; i2 < numCACerts; i2++) {
CERTCertificate *cacert = certArray[i2];
if (cacert)
cacert = CERT_DupCertificate(cacert);
if (cacert)
CERT_AddCertToListTail(certList, cacert);
}
CERT_DestroyCertArray(certArray, numCACerts);
return ImportValidCACertsInList(certList, ctx, proofOfLock);
}
nsresult
nsNSSCertificateDB::ImportValidCACertsInList(CERTCertList *certList, nsIInterfaceRequestor *ctx,
const nsNSSShutDownPreventionLock &proofOfLock)
{
RefPtr<SharedCertVerifier> certVerifier(GetDefaultCertVerifier());
if (!certVerifier)
return NS_ERROR_UNEXPECTED;
/* filter out the certs we don't want */
SECStatus srv = CERT_FilterCertListByUsage(certList, certUsageAnyCA, true);
if (srv != SECSuccess) {
return NS_ERROR_FAILURE;
}
/* go down the remaining list of certs and verify that they have
* valid chains, if yes, then import.
*/
CERTCertListNode *node;
for (node = CERT_LIST_HEAD(certList);
!CERT_LIST_END(node,certList);
node = CERT_LIST_NEXT(node)) {
ScopedCERTCertList certChain;
SECStatus rv = certVerifier->VerifyCert(node->cert,
certificateUsageVerifyCA,
mozilla::pkix::Now(), ctx,
nullptr, 0, nullptr, &certChain);
if (rv != SECSuccess) {
nsCOMPtr<nsIX509Cert> certToShow = nsNSSCertificate::Create(node->cert);
DisplayCertificateAlert(ctx, "NotImportingUnverifiedCert", certToShow, proofOfLock);
continue;
}
rv = ImportCertsIntoPermanentStorage(certChain, certUsageAnyCA, true);
if (rv != SECSuccess) {
return NS_ERROR_FAILURE;
}
}
return NS_OK;
}
void nsNSSCertificateDB::DisplayCertificateAlert(nsIInterfaceRequestor *ctx,
const char *stringID,
nsIX509Cert *certToShow,
const nsNSSShutDownPreventionLock &/*proofOfLock*/)
{
static NS_DEFINE_CID(kNSSComponentCID, NS_NSSCOMPONENT_CID);
if (!NS_IsMainThread()) {
NS_ERROR("nsNSSCertificateDB::DisplayCertificateAlert called off the main thread");
return;
}
nsCOMPtr<nsIInterfaceRequestor> my_ctx = ctx;
if (!my_ctx) {
my_ctx = new PipUIContext();
}
// This shall be replaced by embedding ovverridable prompts
// as discussed in bug 310446, and should make use of certToShow.
nsresult rv;
nsCOMPtr<nsINSSComponent> nssComponent(do_GetService(kNSSComponentCID, &rv));
if (NS_SUCCEEDED(rv)) {
nsAutoString tmpMessage;
nssComponent->GetPIPNSSBundleString(stringID, tmpMessage);
nsCOMPtr<nsIPrompt> prompt (do_GetInterface(my_ctx));
if (!prompt) {
return;
}
prompt->Alert(nullptr, tmpMessage.get());
}
}
NS_IMETHODIMP
nsNSSCertificateDB::ImportUserCertificate(uint8_t *data, uint32_t length, nsIInterfaceRequestor *ctx)
{
if (!NS_IsMainThread()) {
NS_ERROR("nsNSSCertificateDB::ImportUserCertificate called off the main thread");
return NS_ERROR_NOT_SAME_THREAD;
}
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
ScopedPK11SlotInfo slot;
nsAutoCString nickname;
nsresult rv = NS_ERROR_FAILURE;
int numCACerts;
SECItem *CACerts;
CERTDERCerts * collectArgs;
PLArenaPool *arena;
ScopedCERTCertificate cert;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if (!arena) {
goto loser;
}
collectArgs = getCertsFromPackage(arena, data, length, locker);
if (!collectArgs) {
goto loser;
}
cert = CERT_NewTempCertificate(CERT_GetDefaultCertDB(), collectArgs->rawCerts,
nullptr, false, true);
if (!cert) {
goto loser;
}
slot = PK11_KeyForCertExists(cert.get(), nullptr, ctx);
if (!slot) {
nsCOMPtr<nsIX509Cert> certToShow = nsNSSCertificate::Create(cert.get());
DisplayCertificateAlert(ctx, "UserCertIgnoredNoPrivateKey", certToShow, locker);
goto loser;
}
slot = nullptr;
/* pick a nickname for the cert */
if (cert->nickname) {
/* sigh, we need a call to look up other certs with this subject and
* identify nicknames from them. We can no longer walk down internal
* database structures rjr */
nickname = cert->nickname;
}
else {
get_default_nickname(cert.get(), ctx, nickname, locker);
}
/* user wants to import the cert */
{
char *cast_const_away = const_cast<char*>(nickname.get());
slot = PK11_ImportCertForKey(cert.get(), cast_const_away, ctx);
}
if (!slot) {
goto loser;
}
slot = nullptr;
{
nsCOMPtr<nsIX509Cert> certToShow = nsNSSCertificate::Create(cert.get());
DisplayCertificateAlert(ctx, "UserCertImported", certToShow, locker);
}
rv = NS_OK;
numCACerts = collectArgs->numcerts - 1;
if (numCACerts) {
CACerts = collectArgs->rawCerts+1;
rv = ImportValidCACerts(numCACerts, CACerts, ctx, locker);
}
loser:
if (arena) {
PORT_FreeArena(arena, false);
}
return rv;
}
NS_IMETHODIMP
nsNSSCertificateDB::DeleteCertificate(nsIX509Cert *aCert)
{
NS_ENSURE_ARG_POINTER(aCert);
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
ScopedCERTCertificate cert(aCert->GetCert());
if (!cert) {
return NS_ERROR_FAILURE;
}
SECStatus srv = SECSuccess;
uint32_t certType;
aCert->GetCertType(&certType);
if (NS_FAILED(aCert->MarkForPermDeletion()))
{
return NS_ERROR_FAILURE;
}
if (cert->slot && certType != nsIX509Cert::USER_CERT) {
// To delete a cert of a slot (builtin, most likely), mark it as
// completely untrusted. This way we keep a copy cached in the
// local database, and next time we try to load it off of the
// external token/slot, we'll know not to trust it. We don't
// want to do that with user certs, because a user may re-store
// the cert onto the card again at which point we *will* want to
// trust that cert if it chains up properly.
nsNSSCertTrust trust(0, 0, 0);
srv = CERT_ChangeCertTrust(CERT_GetDefaultCertDB(),
cert.get(), trust.GetTrust());
}
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("cert deleted: %d", srv));
return (srv) ? NS_ERROR_FAILURE : NS_OK;
}
NS_IMETHODIMP
nsNSSCertificateDB::SetCertTrust(nsIX509Cert *cert,
uint32_t type,
uint32_t trusted)
{
NS_ENSURE_ARG_POINTER(cert);
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
nsNSSCertTrust trust;
nsresult rv;
ScopedCERTCertificate nsscert(cert->GetCert());
rv = attemptToLogInWithDefaultPassword();
if (NS_WARN_IF(rv != NS_OK)) {
return rv;
}
SECStatus srv;
if (type == nsIX509Cert::CA_CERT) {
// always start with untrusted and move up
trust.SetValidCA();
trust.AddCATrust(!!(trusted & nsIX509CertDB::TRUSTED_SSL),
!!(trusted & nsIX509CertDB::TRUSTED_EMAIL),
!!(trusted & nsIX509CertDB::TRUSTED_OBJSIGN));
srv = CERT_ChangeCertTrust(CERT_GetDefaultCertDB(),
nsscert.get(),
trust.GetTrust());
} else if (type == nsIX509Cert::SERVER_CERT) {
// always start with untrusted and move up
trust.SetValidPeer();
trust.AddPeerTrust(trusted & nsIX509CertDB::TRUSTED_SSL, 0, 0);
srv = CERT_ChangeCertTrust(CERT_GetDefaultCertDB(),
nsscert.get(),
trust.GetTrust());
} else if (type == nsIX509Cert::EMAIL_CERT) {
// always start with untrusted and move up
trust.SetValidPeer();
trust.AddPeerTrust(0, !!(trusted & nsIX509CertDB::TRUSTED_EMAIL), 0);
srv = CERT_ChangeCertTrust(CERT_GetDefaultCertDB(),
nsscert.get(),
trust.GetTrust());
} else {
// ignore user certs
return NS_OK;
}
return MapSECStatus(srv);
}
NS_IMETHODIMP
nsNSSCertificateDB::IsCertTrusted(nsIX509Cert *cert,
uint32_t certType,
uint32_t trustType,
bool *_isTrusted)
{
NS_ENSURE_ARG_POINTER(_isTrusted);
*_isTrusted = false;
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
SECStatus srv;
ScopedCERTCertificate nsscert(cert->GetCert());
CERTCertTrust nsstrust;
srv = CERT_GetCertTrust(nsscert.get(), &nsstrust);
if (srv != SECSuccess)
return NS_ERROR_FAILURE;
nsNSSCertTrust trust(&nsstrust);
if (certType == nsIX509Cert::CA_CERT) {
if (trustType & nsIX509CertDB::TRUSTED_SSL) {
*_isTrusted = trust.HasTrustedCA(true, false, false);
} else if (trustType & nsIX509CertDB::TRUSTED_EMAIL) {
*_isTrusted = trust.HasTrustedCA(false, true, false);
} else if (trustType & nsIX509CertDB::TRUSTED_OBJSIGN) {
*_isTrusted = trust.HasTrustedCA(false, false, true);
} else {
return NS_ERROR_FAILURE;
}
} else if (certType == nsIX509Cert::SERVER_CERT) {
if (trustType & nsIX509CertDB::TRUSTED_SSL) {
*_isTrusted = trust.HasTrustedPeer(true, false, false);
} else if (trustType & nsIX509CertDB::TRUSTED_EMAIL) {
*_isTrusted = trust.HasTrustedPeer(false, true, false);
} else if (trustType & nsIX509CertDB::TRUSTED_OBJSIGN) {
*_isTrusted = trust.HasTrustedPeer(false, false, true);
} else {
return NS_ERROR_FAILURE;
}
} else if (certType == nsIX509Cert::EMAIL_CERT) {
if (trustType & nsIX509CertDB::TRUSTED_SSL) {
*_isTrusted = trust.HasTrustedPeer(true, false, false);
} else if (trustType & nsIX509CertDB::TRUSTED_EMAIL) {
*_isTrusted = trust.HasTrustedPeer(false, true, false);
} else if (trustType & nsIX509CertDB::TRUSTED_OBJSIGN) {
*_isTrusted = trust.HasTrustedPeer(false, false, true);
} else {
return NS_ERROR_FAILURE;
}
} /* user: ignore */
return NS_OK;
}
NS_IMETHODIMP
nsNSSCertificateDB::ImportCertsFromFile(nsISupports *aToken,
nsIFile *aFile,
uint32_t aType)
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
NS_ENSURE_ARG(aFile);
switch (aType) {
case nsIX509Cert::CA_CERT:
case nsIX509Cert::EMAIL_CERT:
case nsIX509Cert::SERVER_CERT:
// good
break;
default:
// not supported (yet)
return NS_ERROR_FAILURE;
}
nsresult rv;
PRFileDesc *fd = nullptr;
rv = aFile->OpenNSPRFileDesc(PR_RDONLY, 0, &fd);
if (NS_FAILED(rv))
return rv;
if (!fd)
return NS_ERROR_FAILURE;
PRFileInfo file_info;
if (PR_SUCCESS != PR_GetOpenFileInfo(fd, &file_info))
return NS_ERROR_FAILURE;
unsigned char *buf = new unsigned char[file_info.size];
int32_t bytes_obtained = PR_Read(fd, buf, file_info.size);
PR_Close(fd);
if (bytes_obtained != file_info.size)
rv = NS_ERROR_FAILURE;
else {
nsCOMPtr<nsIInterfaceRequestor> cxt = new PipUIContext();
switch (aType) {
case nsIX509Cert::CA_CERT:
rv = ImportCertificates(buf, bytes_obtained, aType, cxt);
break;
case nsIX509Cert::SERVER_CERT:
rv = ImportServerCertificate(buf, bytes_obtained, cxt);
break;
case nsIX509Cert::EMAIL_CERT:
rv = ImportEmailCertificate(buf, bytes_obtained, cxt);
break;
default:
break;
}
}
delete [] buf;
return rv;
}
NS_IMETHODIMP
nsNSSCertificateDB::ImportPKCS12File(nsISupports *aToken,
nsIFile *aFile)
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
NS_ENSURE_ARG(aFile);
nsPKCS12Blob blob;
nsCOMPtr<nsIPK11Token> token = do_QueryInterface(aToken);
if (token) {
blob.SetToken(token);
}
return blob.ImportFromFile(aFile);
}
NS_IMETHODIMP
nsNSSCertificateDB::ExportPKCS12File(nsISupports *aToken,
nsIFile *aFile,
uint32_t count,
nsIX509Cert **certs)
//const char16_t **aCertNames)
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
NS_ENSURE_ARG(aFile);
nsPKCS12Blob blob;
if (count == 0) return NS_OK;
nsCOMPtr<nsIPK11Token> localRef;
if (!aToken) {
ScopedPK11SlotInfo keySlot(PK11_GetInternalKeySlot());
NS_ASSERTION(keySlot,"Failed to get the internal key slot");
localRef = new nsPK11Token(keySlot);
}
else {
localRef = do_QueryInterface(aToken);
}
blob.SetToken(localRef);
//blob.LoadCerts(aCertNames, count);
//return blob.ExportToFile(aFile);
return blob.ExportToFile(aFile, certs, count);
}
/*
* NSS Helper Routines (private to nsNSSCertificateDB)
*/
#define DELIM '\001'
/*
* GetSortedNameList
*
* Converts a CERTCertList to a list of certificate names
*/
void
nsNSSCertificateDB::getCertNames(CERTCertList *certList,
uint32_t type,
uint32_t *_count,
char16_t ***_certNames,
const nsNSSShutDownPreventionLock &/*proofOfLock*/)
{
CERTCertListNode *node;
uint32_t numcerts = 0, i=0;
char16_t **tmpArray = nullptr;
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("List of certs %d:\n", type));
for (node = CERT_LIST_HEAD(certList);
!CERT_LIST_END(node, certList);
node = CERT_LIST_NEXT(node)) {
if (getCertType(node->cert) == type) {
numcerts++;
}
}
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("num certs: %d\n", numcerts));
int nc = (numcerts == 0) ? 1 : numcerts;
tmpArray = (char16_t **)moz_xmalloc(sizeof(char16_t *) * nc);
if (numcerts == 0) goto finish;
for (node = CERT_LIST_HEAD(certList);
!CERT_LIST_END(node, certList);
node = CERT_LIST_NEXT(node)) {
if (getCertType(node->cert) == type) {
RefPtr<nsNSSCertificate> pipCert(new nsNSSCertificate(node->cert));
char *dbkey = nullptr;
char *namestr = nullptr;
nsAutoString certstr;
pipCert->GetDbKey(&dbkey);
nsAutoString keystr = NS_ConvertASCIItoUTF16(dbkey);
PR_FREEIF(dbkey);
if (type == nsIX509Cert::EMAIL_CERT) {
namestr = node->cert->emailAddr;
} else {
namestr = node->cert->nickname;
if (namestr) {
char *sc = strchr(namestr, ':');
if (sc) *sc = DELIM;
}
}
nsAutoString certname = NS_ConvertASCIItoUTF16(namestr ? namestr : "");
certstr.Append(char16_t(DELIM));
certstr += certname;
certstr.Append(char16_t(DELIM));
certstr += keystr;
tmpArray[i++] = ToNewUnicode(certstr);
}
}
finish:
*_count = numcerts;
*_certNames = tmpArray;
}
NS_IMETHODIMP
nsNSSCertificateDB::FindEmailEncryptionCert(const nsAString& aNickname,
nsIX509Cert** _retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = nullptr;
if (aNickname.IsEmpty())
return NS_OK;
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
nsCOMPtr<nsIInterfaceRequestor> ctx = new PipUIContext();
char *asciiname = nullptr;
NS_ConvertUTF16toUTF8 aUtf8Nickname(aNickname);
asciiname = const_cast<char*>(aUtf8Nickname.get());
/* Find a good cert in the user's database */
ScopedCERTCertificate cert(CERT_FindUserCertByUsage(CERT_GetDefaultCertDB(),
asciiname,
certUsageEmailRecipient,
true, ctx));
if (!cert) {
return NS_OK;
}
nsCOMPtr<nsIX509Cert> nssCert = nsNSSCertificate::Create(cert.get());
if (!nssCert) {
return NS_ERROR_OUT_OF_MEMORY;
}
nssCert.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
nsNSSCertificateDB::FindEmailSigningCert(const nsAString& aNickname,
nsIX509Cert** _retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = nullptr;
if (aNickname.IsEmpty())
return NS_OK;
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
nsCOMPtr<nsIInterfaceRequestor> ctx = new PipUIContext();
char *asciiname = nullptr;
NS_ConvertUTF16toUTF8 aUtf8Nickname(aNickname);
asciiname = const_cast<char*>(aUtf8Nickname.get());
/* Find a good cert in the user's database */
ScopedCERTCertificate cert(CERT_FindUserCertByUsage(CERT_GetDefaultCertDB(),
asciiname,
certUsageEmailSigner,
true, ctx));
if (!cert) {
return NS_OK;
}
nsCOMPtr<nsIX509Cert> nssCert = nsNSSCertificate::Create(cert.get());
if (!nssCert) {
return NS_ERROR_OUT_OF_MEMORY;
}
nssCert.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
nsNSSCertificateDB::FindCertByEmailAddress(nsISupports *aToken, const char *aEmailAddress, nsIX509Cert **_retval)
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
RefPtr<SharedCertVerifier> certVerifier(GetDefaultCertVerifier());
NS_ENSURE_TRUE(certVerifier, NS_ERROR_UNEXPECTED);
ScopedCERTCertList certlist(
PK11_FindCertsFromEmailAddress(aEmailAddress, nullptr));
if (!certlist)
return NS_ERROR_FAILURE;
// certlist now contains certificates with the right email address,
// but they might not have the correct usage or might even be invalid
if (CERT_LIST_END(CERT_LIST_HEAD(certlist), certlist))
return NS_ERROR_FAILURE; // no certs found
CERTCertListNode *node;
// search for a valid certificate
for (node = CERT_LIST_HEAD(certlist);
!CERT_LIST_END(node, certlist);
node = CERT_LIST_NEXT(node)) {
SECStatus srv = certVerifier->VerifyCert(node->cert,
certificateUsageEmailRecipient,
mozilla::pkix::Now(),
nullptr /*XXX pinarg*/,
nullptr /*hostname*/);
if (srv == SECSuccess) {
break;
}
}
if (CERT_LIST_END(node, certlist)) {
// no valid cert found
return NS_ERROR_FAILURE;
}
// node now contains the first valid certificate with correct usage
RefPtr<nsNSSCertificate> nssCert = nsNSSCertificate::Create(node->cert);
if (!nssCert)
return NS_ERROR_OUT_OF_MEMORY;
nssCert.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
nsNSSCertificateDB::ConstructX509FromBase64(const char *base64,
nsIX509Cert **_retval)
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
if (NS_WARN_IF(!_retval)) {
return NS_ERROR_INVALID_POINTER;
}
// sure would be nice to have a smart pointer class for PL_ allocations
// unfortunately, we cannot distinguish out-of-memory from bad-input here
uint32_t len = base64 ? strlen(base64) : 0;
char *certDER = PL_Base64Decode(base64, len, nullptr);
if (!certDER)
return NS_ERROR_ILLEGAL_VALUE;
if (!*certDER) {
PL_strfree(certDER);
return NS_ERROR_ILLEGAL_VALUE;
}
// If we get to this point, we know we had well-formed base64 input;
// therefore the input string cannot have been less than two
// characters long. Compute the unpadded length of the decoded data.
uint32_t lengthDER = (len * 3) / 4;
if (base64[len-1] == '=') {
lengthDER--;
if (base64[len-2] == '=')
lengthDER--;
}
nsresult rv = ConstructX509(certDER, lengthDER, _retval);
PL_strfree(certDER);
return rv;
}
NS_IMETHODIMP
nsNSSCertificateDB::ConstructX509(const char* certDER,
uint32_t lengthDER,
nsIX509Cert** _retval)
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
if (NS_WARN_IF(!_retval)) {
return NS_ERROR_INVALID_POINTER;
}
SECItem secitem_cert;
secitem_cert.type = siDERCertBuffer;
secitem_cert.data = (unsigned char*)certDER;
secitem_cert.len = lengthDER;
ScopedCERTCertificate cert(CERT_NewTempCertificate(CERT_GetDefaultCertDB(),
&secitem_cert, nullptr,
false, true));
if (!cert)
return (PORT_GetError() == SEC_ERROR_NO_MEMORY)
? NS_ERROR_OUT_OF_MEMORY : NS_ERROR_FAILURE;
nsCOMPtr<nsIX509Cert> nssCert = nsNSSCertificate::Create(cert.get());
if (!nssCert) {
return NS_ERROR_OUT_OF_MEMORY;
}
nssCert.forget(_retval);
return NS_OK;
}
void
nsNSSCertificateDB::get_default_nickname(CERTCertificate *cert,
nsIInterfaceRequestor* ctx,
nsCString &nickname,
const nsNSSShutDownPreventionLock &/*proofOfLock*/)
{
static NS_DEFINE_CID(kNSSComponentCID, NS_NSSCOMPONENT_CID);
nickname.Truncate();
nsresult rv;
CK_OBJECT_HANDLE keyHandle;
CERTCertDBHandle *defaultcertdb = CERT_GetDefaultCertDB();
nsCOMPtr<nsINSSComponent> nssComponent(do_GetService(kNSSComponentCID, &rv));
if (NS_FAILED(rv))
return;
nsAutoCString username;
char *temp_un = CERT_GetCommonName(&cert->subject);
if (temp_un) {
username = temp_un;
PORT_Free(temp_un);
temp_un = nullptr;
}
nsAutoCString caname;
char *temp_ca = CERT_GetOrgName(&cert->issuer);
if (temp_ca) {
caname = temp_ca;
PORT_Free(temp_ca);
temp_ca = nullptr;
}
nsAutoString tmpNickFmt;
nssComponent->GetPIPNSSBundleString("nick_template", tmpNickFmt);
NS_ConvertUTF16toUTF8 nickFmt(tmpNickFmt);
nsAutoCString baseName;
char *temp_nn = PR_smprintf(nickFmt.get(), username.get(), caname.get());
if (!temp_nn) {
return;
} else {
baseName = temp_nn;
PR_smprintf_free(temp_nn);
temp_nn = nullptr;
}
nickname = baseName;
/*
* We need to see if the private key exists on a token, if it does
* then we need to check for nicknames that already exist on the smart
* card.
*/
ScopedPK11SlotInfo slot(PK11_KeyForCertExists(cert, &keyHandle, ctx));
if (!slot)
return;
if (!PK11_IsInternal(slot)) {
char *tmp = PR_smprintf("%s:%s", PK11_GetTokenName(slot), baseName.get());
if (!tmp) {
nickname.Truncate();
return;
}
baseName = tmp;
PR_smprintf_free(tmp);
nickname = baseName;
}
int count = 1;
while (true) {
if ( count > 1 ) {
char *tmp = PR_smprintf("%s #%d", baseName.get(), count);
if (!tmp) {
nickname.Truncate();
return;
}
nickname = tmp;
PR_smprintf_free(tmp);
}
ScopedCERTCertificate dummycert;
if (PK11_IsInternal(slot)) {
/* look up the nickname to make sure it isn't in use already */
dummycert = CERT_FindCertByNickname(defaultcertdb, nickname.get());
} else {
/*
* Check the cert against others that already live on the smart
* card.
*/
dummycert = PK11_FindCertFromNickname(nickname.get(), ctx);
if (dummycert) {
/*
* Make sure the subject names are different.
*/
if (CERT_CompareName(&cert->subject, &dummycert->subject) == SECEqual)
{
/*
* There is another certificate with the same nickname and
* the same subject name on the smart card, so let's use this
* nickname.
*/
dummycert = nullptr;
}
}
}
if (!dummycert) {
break;
}
count++;
}
}
NS_IMETHODIMP nsNSSCertificateDB::AddCertFromBase64(const char* aBase64,
const char* aTrust,
const char* aName)
{
NS_ENSURE_ARG_POINTER(aBase64);
nsCOMPtr <nsIX509Cert> newCert;
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
nsNSSCertTrust trust;
// need to calculate the trust bits from the aTrust string.
SECStatus stat = CERT_DecodeTrustString(trust.GetTrust(),
/* this is const, but not declared that way */(char *) aTrust);
NS_ENSURE_STATE(stat == SECSuccess); // if bad trust passed in, return error.
nsresult rv = ConstructX509FromBase64(aBase64, getter_AddRefs(newCert));
NS_ENSURE_SUCCESS(rv, rv);
SECItem der;
rv = newCert->GetRawDER(&der.len, (uint8_t **)&der.data);
NS_ENSURE_SUCCESS(rv, rv);
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("Creating temp cert\n"));
CERTCertDBHandle *certdb = CERT_GetDefaultCertDB();
ScopedCERTCertificate tmpCert(CERT_FindCertByDERCert(certdb, &der));
if (!tmpCert)
tmpCert = CERT_NewTempCertificate(certdb, &der,
nullptr, false, true);
free(der.data);
der.data = nullptr;
der.len = 0;
if (!tmpCert) {
NS_ERROR("Couldn't create cert from DER blob");
return MapSECStatus(SECFailure);
}
// If there's already a certificate that matches this one in the database,
// we still want to set its trust to the given value.
if (tmpCert->isperm) {
return SetCertTrustFromString(newCert, aTrust);
}
nsXPIDLCString nickname;
nickname.Adopt(CERT_MakeCANickname(tmpCert.get()));
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("Created nick \"%s\"\n", nickname.get()));
rv = attemptToLogInWithDefaultPassword();
if (NS_WARN_IF(rv != NS_OK)) {
return rv;
}
SECStatus srv = __CERT_AddTempCertToPerm(tmpCert.get(),
const_cast<char*>(nickname.get()),
trust.GetTrust());
return MapSECStatus(srv);
}
NS_IMETHODIMP
nsNSSCertificateDB::AddCert(const nsACString & aCertDER, const char *aTrust,
const char *aName)
{
nsCString base64;
nsresult rv = Base64Encode(aCertDER, base64);
NS_ENSURE_SUCCESS(rv, rv);
return AddCertFromBase64(base64.get(), aTrust, aName);
}
NS_IMETHODIMP
nsNSSCertificateDB::SetCertTrustFromString(nsIX509Cert* cert,
const char* trustString)
{
CERTCertTrust trust;
// need to calculate the trust bits from the aTrust string.
SECStatus srv = CERT_DecodeTrustString(&trust,
const_cast<char *>(trustString));
if (srv != SECSuccess) {
return MapSECStatus(SECFailure);
}
ScopedCERTCertificate nssCert(cert->GetCert());
nsresult rv = attemptToLogInWithDefaultPassword();
if (NS_WARN_IF(rv != NS_OK)) {
return rv;
}
srv = CERT_ChangeCertTrust(CERT_GetDefaultCertDB(), nssCert.get(), &trust);
return MapSECStatus(srv);
}
NS_IMETHODIMP
nsNSSCertificateDB::GetCerts(nsIX509CertList **_retval)
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
nsCOMPtr<nsIInterfaceRequestor> ctx = new PipUIContext();
nsCOMPtr<nsIX509CertList> nssCertList;
ScopedCERTCertList certList(PK11_ListCerts(PK11CertListUnique, ctx));
// nsNSSCertList 1) adopts certList, and 2) handles the nullptr case fine.
// (returns an empty list)
nssCertList = new nsNSSCertList(certList, locker);
nssCertList.forget(_retval);
return NS_OK;
}
nsresult
VerifyCertAtTime(nsIX509Cert* aCert,
int64_t /*SECCertificateUsage*/ aUsage,
uint32_t aFlags,
const char* aHostname,
mozilla::pkix::Time aTime,
nsIX509CertList** aVerifiedChain,
bool* aHasEVPolicy,
int32_t* /*PRErrorCode*/ _retval,
const nsNSSShutDownPreventionLock& locker)
{
NS_ENSURE_ARG_POINTER(aCert);
NS_ENSURE_ARG_POINTER(aHasEVPolicy);
NS_ENSURE_ARG_POINTER(aVerifiedChain);
NS_ENSURE_ARG_POINTER(_retval);
*aVerifiedChain = nullptr;
*aHasEVPolicy = false;
*_retval = PR_UNKNOWN_ERROR;
#ifndef MOZ_NO_EV_CERTS
EnsureIdentityInfoLoaded();
#endif
ScopedCERTCertificate nssCert(aCert->GetCert());
if (!nssCert) {
return NS_ERROR_INVALID_ARG;
}
RefPtr<SharedCertVerifier> certVerifier(GetDefaultCertVerifier());
NS_ENSURE_TRUE(certVerifier, NS_ERROR_FAILURE);
ScopedCERTCertList resultChain;
SECOidTag evOidPolicy;
SECStatus srv;
if (aHostname && aUsage == certificateUsageSSLServer) {
srv = certVerifier->VerifySSLServerCert(nssCert,
nullptr, // stapledOCSPResponse
aTime,
nullptr, // Assume no context
aHostname,
false, // don't save intermediates
aFlags,
&resultChain,
&evOidPolicy);
} else {
srv = certVerifier->VerifyCert(nssCert, aUsage, aTime,
nullptr, // Assume no context
aHostname,
aFlags,
nullptr, // stapledOCSPResponse
&resultChain,
&evOidPolicy);
}
PRErrorCode error = PR_GetError();
nsCOMPtr<nsIX509CertList> nssCertList;
// This adopts the list
nssCertList = new nsNSSCertList(resultChain, locker);
NS_ENSURE_TRUE(nssCertList, NS_ERROR_FAILURE);
if (srv == SECSuccess) {
if (evOidPolicy != SEC_OID_UNKNOWN) {
*aHasEVPolicy = true;
}
*_retval = 0;
} else {
NS_ENSURE_TRUE(evOidPolicy == SEC_OID_UNKNOWN, NS_ERROR_FAILURE);
NS_ENSURE_TRUE(error != 0, NS_ERROR_FAILURE);
*_retval = error;
}
nssCertList.forget(aVerifiedChain);
return NS_OK;
}
NS_IMETHODIMP
nsNSSCertificateDB::VerifyCertNow(nsIX509Cert* aCert,
int64_t /*SECCertificateUsage*/ aUsage,
uint32_t aFlags,
const char* aHostname,
nsIX509CertList** aVerifiedChain,
bool* aHasEVPolicy,
int32_t* /*PRErrorCode*/ _retval)
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
return ::VerifyCertAtTime(aCert, aUsage, aFlags, aHostname,
mozilla::pkix::Now(),
aVerifiedChain, aHasEVPolicy, _retval, locker);
}
NS_IMETHODIMP
nsNSSCertificateDB::VerifyCertAtTime(nsIX509Cert* aCert,
int64_t /*SECCertificateUsage*/ aUsage,
uint32_t aFlags,
const char* aHostname,
uint64_t aTime,
nsIX509CertList** aVerifiedChain,
bool* aHasEVPolicy,
int32_t* /*PRErrorCode*/ _retval)
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
return ::VerifyCertAtTime(aCert, aUsage, aFlags, aHostname,
mozilla::pkix::TimeFromEpochInSeconds(aTime),
aVerifiedChain, aHasEVPolicy, _retval, locker);
}
NS_IMETHODIMP
nsNSSCertificateDB::ClearOCSPCache()
{
nsNSSShutDownPreventionLock locker;
if (isAlreadyShutDown()) {
return NS_ERROR_NOT_AVAILABLE;
}
RefPtr<SharedCertVerifier> certVerifier(GetDefaultCertVerifier());
NS_ENSURE_TRUE(certVerifier, NS_ERROR_FAILURE);
certVerifier->ClearOCSPCache();
return NS_OK;
}
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