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tenfourfox/security/manager/ssl/nsCertTree.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/. */
#include "nsCertTree.h"
#include "pkix/pkixtypes.h"
#include "nsNSSComponent.h" // for PIPNSS string bundle calls.
#include "nsITreeColumns.h"
#include "nsIX509Cert.h"
#include "nsIX509CertValidity.h"
#include "nsIX509CertDB.h"
#include "nsXPIDLString.h"
#include "nsReadableUtils.h"
#include "nsUnicharUtils.h"
#include "nsNSSCertificate.h"
#include "nsNSSCertHelper.h"
#include "nsIMutableArray.h"
#include "nsArrayUtils.h"
#include "nsISupportsPrimitives.h"
#include "nsXPCOMCID.h"
#include "nsTHashtable.h"
#include "nsHashKeys.h"
#include "mozilla/Logging.h"
using namespace mozilla;
extern PRLogModuleInfo* gPIPNSSLog;
static NS_DEFINE_CID(kCertOverrideCID, NS_CERTOVERRIDE_CID);
// treeArrayElStr
//
// structure used to hold map of tree. Each thread (an organization
// field from a cert) has an element in the array. The numChildren field
// stores the number of certs corresponding to that thread.
struct treeArrayElStr {
nsString orgName; /* heading for thread */
bool open; /* toggle open state for thread */
int32_t certIndex; /* index into cert array for 1st cert */
int32_t numChildren; /* number of chidren (certs) for thread */
};
CompareCacheHashEntryPtr::CompareCacheHashEntryPtr()
{
entry = new CompareCacheHashEntry;
}
CompareCacheHashEntryPtr::~CompareCacheHashEntryPtr()
{
delete entry;
}
CompareCacheHashEntry::CompareCacheHashEntry()
:key(nullptr)
{
for (int i = 0; i < max_criterions; ++i) {
mCritInit[i] = false;
}
}
static bool
CompareCacheMatchEntry(PLDHashTable *table, const PLDHashEntryHdr *hdr,
const void *key)
{
const CompareCacheHashEntryPtr *entryPtr = static_cast<const CompareCacheHashEntryPtr*>(hdr);
return entryPtr->entry->key == key;
}
static void
CompareCacheInitEntry(PLDHashEntryHdr *hdr, const void *key)
{
new (hdr) CompareCacheHashEntryPtr();
CompareCacheHashEntryPtr *entryPtr = static_cast<CompareCacheHashEntryPtr*>(hdr);
entryPtr->entry->key = (void*)key;
}
static void
CompareCacheClearEntry(PLDHashTable *table, PLDHashEntryHdr *hdr)
{
CompareCacheHashEntryPtr *entryPtr = static_cast<CompareCacheHashEntryPtr*>(hdr);
entryPtr->~CompareCacheHashEntryPtr();
}
static const PLDHashTableOps gMapOps = {
PLDHashTable::HashVoidPtrKeyStub,
CompareCacheMatchEntry,
PLDHashTable::MoveEntryStub,
CompareCacheClearEntry,
CompareCacheInitEntry
};
NS_IMPL_ISUPPORTS0(nsCertAddonInfo)
NS_IMPL_ISUPPORTS(nsCertTreeDispInfo, nsICertTreeItem)
nsCertTreeDispInfo::nsCertTreeDispInfo()
:mAddonInfo(nullptr)
,mTypeOfEntry(direct_db)
,mPort(-1)
,mOverrideBits(nsCertOverride::ob_None)
,mIsTemporary(true)
{
}
nsCertTreeDispInfo::nsCertTreeDispInfo(nsCertTreeDispInfo &other)
{
mAddonInfo = other.mAddonInfo;
mTypeOfEntry = other.mTypeOfEntry;
mAsciiHost = other.mAsciiHost;
mPort = other.mPort;
mOverrideBits = other.mOverrideBits;
mIsTemporary = other.mIsTemporary;
mCert = other.mCert;
}
nsCertTreeDispInfo::~nsCertTreeDispInfo()
{
}
NS_IMETHODIMP
nsCertTreeDispInfo::GetCert(nsIX509Cert **_cert)
{
NS_ENSURE_ARG(_cert);
if (mCert) {
// we may already have the cert for temporary overrides
*_cert = mCert;
NS_IF_ADDREF(*_cert);
return NS_OK;
}
if (mAddonInfo) {
*_cert = mAddonInfo->mCert.get();
NS_IF_ADDREF(*_cert);
}
else {
*_cert = nullptr;
}
return NS_OK;
}
NS_IMETHODIMP
nsCertTreeDispInfo::GetHostPort(nsAString &aHostPort)
{
nsAutoCString hostPort;
nsCertOverrideService::GetHostWithPort(mAsciiHost, mPort, hostPort);
aHostPort = NS_ConvertUTF8toUTF16(hostPort);
return NS_OK;
}
NS_IMPL_ISUPPORTS(nsCertTree, nsICertTree, nsITreeView)
nsCertTree::nsCertTree()
: mTreeArray(nullptr)
, mCompareCache(&gMapOps, sizeof(CompareCacheHashEntryPtr),
kInitialCacheLength)
{
static NS_DEFINE_CID(kNSSComponentCID, NS_NSSCOMPONENT_CID);
mNSSComponent = do_GetService(kNSSComponentCID);
mOverrideService = do_GetService("@mozilla.org/security/certoverride;1");
// Might be a different service if someone is overriding the contract
nsCOMPtr<nsICertOverrideService> origCertOverride =
do_GetService(kCertOverrideCID);
mOriginalOverrideService =
static_cast<nsCertOverrideService*>(origCertOverride.get());
mCellText = nullptr;
}
void nsCertTree::ClearCompareHash()
{
mCompareCache.ClearAndPrepareForLength(kInitialCacheLength);
}
nsCertTree::~nsCertTree()
{
delete [] mTreeArray;
}
void
nsCertTree::FreeCertArray()
{
mDispInfo.Clear();
}
CompareCacheHashEntry *
nsCertTree::getCacheEntry(void *cache, void *aCert)
{
PLDHashTable &aCompareCache = *reinterpret_cast<PLDHashTable*>(cache);
auto entryPtr = static_cast<CompareCacheHashEntryPtr*>
(aCompareCache.Add(aCert, fallible));
return entryPtr ? entryPtr->entry : nullptr;
}
void nsCertTree::RemoveCacheEntry(void *key)
{
mCompareCache.Remove(key);
}
// CountOrganizations
//
// Count the number of different organizations encountered in the cert
// list.
int32_t
nsCertTree::CountOrganizations()
{
uint32_t i, certCount;
certCount = mDispInfo.Length();
if (certCount == 0) return 0;
nsCOMPtr<nsIX509Cert> orgCert = nullptr;
nsCertAddonInfo *addonInfo = mDispInfo.ElementAt(0)->mAddonInfo;
if (addonInfo) {
orgCert = addonInfo->mCert;
}
nsCOMPtr<nsIX509Cert> nextCert = nullptr;
int32_t orgCount = 1;
for (i=1; i<certCount; i++) {
nextCert = nullptr;
addonInfo = mDispInfo.SafeElementAt(i, nullptr)->mAddonInfo;
if (addonInfo) {
nextCert = addonInfo->mCert;
}
// XXX we assume issuer org is always criterion 1
if (CmpBy(&mCompareCache, orgCert, nextCert, sort_IssuerOrg, sort_None, sort_None) != 0) {
orgCert = nextCert;
orgCount++;
}
}
return orgCount;
}
// GetThreadDescAtIndex
//
// If the row at index is an organization thread, return the collection
// associated with that thread. Otherwise, return null.
treeArrayEl *
nsCertTree::GetThreadDescAtIndex(int32_t index)
{
int i, idx=0;
if (index < 0) return nullptr;
for (i=0; i<mNumOrgs; i++) {
if (index == idx) {
return &mTreeArray[i];
}
if (mTreeArray[i].open) {
idx += mTreeArray[i].numChildren;
}
idx++;
if (idx > index) break;
}
return nullptr;
}
// GetCertAtIndex
//
// If the row at index is a cert, return that cert. Otherwise, return null.
already_AddRefed<nsIX509Cert>
nsCertTree::GetCertAtIndex(int32_t index, int32_t *outAbsoluteCertOffset)
{
RefPtr<nsCertTreeDispInfo> certdi(
GetDispInfoAtIndex(index, outAbsoluteCertOffset));
if (!certdi)
return nullptr;
nsCOMPtr<nsIX509Cert> ret;
if (certdi->mCert) {
ret = certdi->mCert;
} else if (certdi->mAddonInfo) {
ret = certdi->mAddonInfo->mCert;
}
return ret.forget();
}
// If the row at index is a cert, return that cert. Otherwise, return null.
already_AddRefed<nsCertTreeDispInfo>
nsCertTree::GetDispInfoAtIndex(int32_t index,
int32_t *outAbsoluteCertOffset)
{
int i, idx = 0, cIndex = 0, nc;
if (index < 0) return nullptr;
// Loop over the threads
for (i=0; i<mNumOrgs; i++) {
if (index == idx) return nullptr; // index is for thread
idx++; // get past the thread
nc = (mTreeArray[i].open) ? mTreeArray[i].numChildren : 0;
if (index < idx + nc) { // cert is within range of this thread
int32_t certIndex = cIndex + index - idx;
if (outAbsoluteCertOffset)
*outAbsoluteCertOffset = certIndex;
RefPtr<nsCertTreeDispInfo> certdi(mDispInfo.SafeElementAt(certIndex,
nullptr));
if (certdi) {
return certdi.forget();
}
break;
}
if (mTreeArray[i].open)
idx += mTreeArray[i].numChildren;
cIndex += mTreeArray[i].numChildren;
if (idx > index) break;
}
return nullptr;
}
nsCertTree::nsCertCompareFunc
nsCertTree::GetCompareFuncFromCertType(uint32_t aType)
{
switch (aType) {
case nsIX509Cert::ANY_CERT:
case nsIX509Cert::USER_CERT:
return CmpUserCert;
case nsIX509Cert::CA_CERT:
return CmpCACert;
case nsIX509Cert::EMAIL_CERT:
return CmpEmailCert;
case nsIX509Cert::SERVER_CERT:
default:
return CmpWebSiteCert;
}
}
struct nsCertAndArrayAndPositionAndCounterAndTracker
{
RefPtr<nsCertAddonInfo> certai;
nsTArray< RefPtr<nsCertTreeDispInfo> > *array;
int position;
int counter;
nsTHashtable<nsCStringHashKey> *tracker;
};
// Used to enumerate host:port overrides that match a stored
// certificate, creates and adds a display-info-object to the
// provided array. Increments insert position and entry counter.
// We remove the given key from the tracker, which is used to
// track entries that have not yet been handled.
// The created display-info references the cert, so make a note
// of that by incrementing the cert usage counter.
static void
MatchingCertOverridesCallback(const nsCertOverride &aSettings,
void *aUserData)
{
nsCertAndArrayAndPositionAndCounterAndTracker *cap =
(nsCertAndArrayAndPositionAndCounterAndTracker*)aUserData;
if (!cap)
return;
nsCertTreeDispInfo *certdi = new nsCertTreeDispInfo;
if (certdi) {
if (cap->certai)
cap->certai->mUsageCount++;
certdi->mAddonInfo = cap->certai;
certdi->mTypeOfEntry = nsCertTreeDispInfo::host_port_override;
certdi->mAsciiHost = aSettings.mAsciiHost;
certdi->mPort = aSettings.mPort;
certdi->mOverrideBits = aSettings.mOverrideBits;
certdi->mIsTemporary = aSettings.mIsTemporary;
certdi->mCert = aSettings.mCert;
cap->array->InsertElementAt(cap->position, certdi);
cap->position++;
cap->counter++;
}
// this entry is now associated to a displayed cert, remove
// it from the list of remaining entries
nsAutoCString hostPort;
nsCertOverrideService::GetHostWithPort(aSettings.mAsciiHost, aSettings.mPort, hostPort);
cap->tracker->RemoveEntry(hostPort);
}
// Used to collect a list of the (unique) host:port keys
// for all stored overrides.
static void
CollectAllHostPortOverridesCallback(const nsCertOverride &aSettings,
void *aUserData)
{
nsTHashtable<nsCStringHashKey> *collectorTable =
(nsTHashtable<nsCStringHashKey> *)aUserData;
if (!collectorTable)
return;
nsAutoCString hostPort;
nsCertOverrideService::GetHostWithPort(aSettings.mAsciiHost, aSettings.mPort, hostPort);
collectorTable->PutEntry(hostPort);
}
struct nsArrayAndPositionAndCounterAndTracker
{
nsTArray< RefPtr<nsCertTreeDispInfo> > *array;
int position;
int counter;
nsTHashtable<nsCStringHashKey> *tracker;
};
// Used when enumerating the stored host:port overrides where
// no associated certificate was found in the NSS database.
static void
AddRemaningHostPortOverridesCallback(const nsCertOverride &aSettings,
void *aUserData)
{
nsArrayAndPositionAndCounterAndTracker *cap =
(nsArrayAndPositionAndCounterAndTracker*)aUserData;
if (!cap)
return;
nsAutoCString hostPort;
nsCertOverrideService::GetHostWithPort(aSettings.mAsciiHost, aSettings.mPort, hostPort);
if (!cap->tracker->GetEntry(hostPort))
return;
// This entry is not associated to any stored cert,
// so we still need to display it.
nsCertTreeDispInfo *certdi = new nsCertTreeDispInfo;
if (certdi) {
certdi->mAddonInfo = nullptr;
certdi->mTypeOfEntry = nsCertTreeDispInfo::host_port_override;
certdi->mAsciiHost = aSettings.mAsciiHost;
certdi->mPort = aSettings.mPort;
certdi->mOverrideBits = aSettings.mOverrideBits;
certdi->mIsTemporary = aSettings.mIsTemporary;
certdi->mCert = aSettings.mCert;
cap->array->InsertElementAt(cap->position, certdi);
cap->position++;
cap->counter++;
}
}
nsresult
nsCertTree::GetCertsByTypeFromCertList(CERTCertList *aCertList,
uint32_t aWantedType,
nsCertCompareFunc aCertCmpFn,
void *aCertCmpFnArg)
{
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("GetCertsByTypeFromCertList"));
if (!aCertList)
return NS_ERROR_FAILURE;
if (!mOriginalOverrideService)
return NS_ERROR_FAILURE;
nsTHashtable<nsCStringHashKey> allHostPortOverrideKeys;
if (aWantedType == nsIX509Cert::SERVER_CERT) {
mOriginalOverrideService->
EnumerateCertOverrides(nullptr,
CollectAllHostPortOverridesCallback,
&allHostPortOverrideKeys);
}
CERTCertListNode *node;
int count = 0;
for (node = CERT_LIST_HEAD(aCertList);
!CERT_LIST_END(node, aCertList);
node = CERT_LIST_NEXT(node)) {
bool wantThisCert = (aWantedType == nsIX509Cert::ANY_CERT);
bool wantThisCertIfNoOverrides = false;
bool wantThisCertIfHaveOverrides = false;
bool addOverrides = false;
if (!wantThisCert) {
uint32_t thisCertType = getCertType(node->cert);
// The output from getCertType is a "guess", which can be wrong.
// The guess is based on stored trust flags, but for the host:port
// overrides, we are storing certs without any trust flags associated.
// So we must check whether the cert really belongs to the
// server, email or unknown tab. We will lookup the cert in the override
// list to come to the decision. Unfortunately, the lookup in the
// override list is quite expensive. Therefore we are using this
// lengthy if/else statement to minimize
// the number of override-list-lookups.
if (aWantedType == nsIX509Cert::SERVER_CERT
&& thisCertType == nsIX509Cert::UNKNOWN_CERT) {
// This unknown cert was stored without trust
// Are there host:port based overrides stored?
// If yes, display them.
addOverrides = true;
}
else
if (aWantedType == nsIX509Cert::UNKNOWN_CERT
&& thisCertType == nsIX509Cert::UNKNOWN_CERT) {
// This unknown cert was stored without trust.
// If there are associated overrides, do not show as unknown.
// If there are no associated overrides, display as unknown.
wantThisCertIfNoOverrides = true;
}
else
if (aWantedType == nsIX509Cert::SERVER_CERT
&& thisCertType == nsIX509Cert::SERVER_CERT) {
// This server cert is explicitly marked as a web site peer,
// with or without trust, but editable, so show it
wantThisCert = true;
// Are there host:port based overrides stored?
// If yes, display them.
addOverrides = true;
}
else
if (aWantedType == nsIX509Cert::SERVER_CERT
&& thisCertType == nsIX509Cert::EMAIL_CERT) {
// This cert might have been categorized as an email cert
// because it carries an email address. But is it really one?
// Our cert categorization is uncertain when it comes to
// distinguish between email certs and web site certs.
// So, let's see if we have an override for that cert
// and if there is, conclude it's really a web site cert.
addOverrides = true;
}
else
if (aWantedType == nsIX509Cert::EMAIL_CERT
&& thisCertType == nsIX509Cert::EMAIL_CERT) {
// This cert might have been categorized as an email cert
// because it carries an email address. But is it really one?
// Our cert categorization is uncertain when it comes to
// distinguish between email certs and web site certs.
// So, let's see if we have an override for that cert
// and if there is, conclude it's really a web site cert.
wantThisCertIfNoOverrides = true;
}
else
if (thisCertType == aWantedType) {
wantThisCert = true;
}
}
nsCOMPtr<nsIX509Cert> pipCert = nsNSSCertificate::Create(node->cert);
if (!pipCert)
return NS_ERROR_OUT_OF_MEMORY;
if (wantThisCertIfNoOverrides || wantThisCertIfHaveOverrides) {
uint32_t ocount = 0;
nsresult rv =
mOverrideService->IsCertUsedForOverrides(pipCert,
true, // we want temporaries
true, // we want permanents
&ocount);
if (wantThisCertIfNoOverrides) {
if (NS_FAILED(rv) || ocount == 0) {
// no overrides for this cert
wantThisCert = true;
}
}
if (wantThisCertIfHaveOverrides) {
if (NS_SUCCEEDED(rv) && ocount > 0) {
// there are overrides for this cert
wantThisCert = true;
}
}
}
RefPtr<nsCertAddonInfo> certai(new nsCertAddonInfo);
certai->mCert = pipCert;
certai->mUsageCount = 0;
if (wantThisCert || addOverrides) {
int InsertPosition = 0;
for (; InsertPosition < count; ++InsertPosition) {
nsCOMPtr<nsIX509Cert> cert = nullptr;
RefPtr<nsCertTreeDispInfo> elem(
mDispInfo.SafeElementAt(InsertPosition, nullptr));
if (elem && elem->mAddonInfo) {
cert = elem->mAddonInfo->mCert;
}
if ((*aCertCmpFn)(aCertCmpFnArg, pipCert, cert) < 0) {
break;
}
}
if (wantThisCert) {
nsCertTreeDispInfo *certdi = new nsCertTreeDispInfo;
certdi->mAddonInfo = certai;
certai->mUsageCount++;
certdi->mTypeOfEntry = nsCertTreeDispInfo::direct_db;
// not necessary: certdi->mAsciiHost.Clear(); certdi->mPort = -1;
certdi->mOverrideBits = nsCertOverride::ob_None;
certdi->mIsTemporary = false;
mDispInfo.InsertElementAt(InsertPosition, certdi);
++count;
++InsertPosition;
}
if (addOverrides) {
nsCertAndArrayAndPositionAndCounterAndTracker cap;
cap.certai = certai;
cap.array = &mDispInfo;
cap.position = InsertPosition;
cap.counter = 0;
cap.tracker = &allHostPortOverrideKeys;
mOriginalOverrideService->
EnumerateCertOverrides(pipCert, MatchingCertOverridesCallback, &cap);
count += cap.counter;
}
}
}
if (aWantedType == nsIX509Cert::SERVER_CERT) {
nsArrayAndPositionAndCounterAndTracker cap;
cap.array = &mDispInfo;
cap.position = 0;
cap.counter = 0;
cap.tracker = &allHostPortOverrideKeys;
mOriginalOverrideService->
EnumerateCertOverrides(nullptr, AddRemaningHostPortOverridesCallback, &cap);
}
return NS_OK;
}
nsresult
nsCertTree::GetCertsByType(uint32_t aType,
nsCertCompareFunc aCertCmpFn,
void *aCertCmpFnArg)
{
nsNSSShutDownPreventionLock locker;
nsCOMPtr<nsIInterfaceRequestor> cxt = new PipUIContext();
ScopedCERTCertList certList(PK11_ListCerts(PK11CertListUnique, cxt));
return GetCertsByTypeFromCertList(certList.get(), aType, aCertCmpFn,
aCertCmpFnArg);
}
nsresult
nsCertTree::GetCertsByTypeFromCache(nsIX509CertList *aCache,
uint32_t aType,
nsCertCompareFunc aCertCmpFn,
void *aCertCmpFnArg)
{
NS_ENSURE_ARG_POINTER(aCache);
// GetRawCertList checks for NSS shutdown since we can't do it ourselves here
// easily. We still have to acquire a shutdown prevention lock to prevent NSS
// shutting down after GetRawCertList has returned. While cumbersome, this is
// at least mostly correct. The rest of this implementation doesn't even go
// this far in attempting to check for or prevent NSS shutdown at the
// appropriate times. If this were reimplemented at a higher level using
// more encapsulated types that handled NSS shutdown themselves, we wouldn't
// be having these kinds of problems.
nsNSSShutDownPreventionLock locker;
CERTCertList *certList = reinterpret_cast<CERTCertList*>(aCache->GetRawCertList());
if (!certList)
return NS_ERROR_FAILURE;
return GetCertsByTypeFromCertList(certList, aType, aCertCmpFn, aCertCmpFnArg);
}
// LoadCerts
//
// Load all of the certificates in the DB for this type. Sort them
// by token, organization, then common name.
NS_IMETHODIMP
nsCertTree::LoadCertsFromCache(nsIX509CertList *aCache, uint32_t aType)
{
if (mTreeArray) {
FreeCertArray();
delete [] mTreeArray;
mTreeArray = nullptr;
mNumRows = 0;
}
ClearCompareHash();
nsresult rv = GetCertsByTypeFromCache(aCache, aType,
GetCompareFuncFromCertType(aType),
&mCompareCache);
if (NS_FAILED(rv)) return rv;
return UpdateUIContents();
}
NS_IMETHODIMP
nsCertTree::LoadCerts(uint32_t aType)
{
if (mTreeArray) {
FreeCertArray();
delete [] mTreeArray;
mTreeArray = nullptr;
mNumRows = 0;
}
ClearCompareHash();
nsresult rv = GetCertsByType(aType, GetCompareFuncFromCertType(aType),
&mCompareCache);
if (NS_FAILED(rv)) return rv;
return UpdateUIContents();
}
nsresult
nsCertTree::UpdateUIContents()
{
uint32_t count = mDispInfo.Length();
mNumOrgs = CountOrganizations();
mTreeArray = new treeArrayEl[mNumOrgs];
mCellText = do_CreateInstance(NS_ARRAY_CONTRACTID);
if (count) {
uint32_t j = 0;
nsCOMPtr<nsIX509Cert> orgCert = nullptr;
nsCertAddonInfo *addonInfo = mDispInfo.ElementAt(j)->mAddonInfo;
if (addonInfo) {
orgCert = addonInfo->mCert;
}
for (int32_t i=0; i<mNumOrgs; i++) {
nsString &orgNameRef = mTreeArray[i].orgName;
if (!orgCert) {
mNSSComponent->GetPIPNSSBundleString("CertOrgUnknown", orgNameRef);
}
else {
orgCert->GetIssuerOrganization(orgNameRef);
if (orgNameRef.IsEmpty())
orgCert->GetCommonName(orgNameRef);
}
mTreeArray[i].open = true;
mTreeArray[i].certIndex = j;
mTreeArray[i].numChildren = 1;
if (++j >= count) break;
nsCOMPtr<nsIX509Cert> nextCert = nullptr;
nsCertAddonInfo *addonInfo = mDispInfo.SafeElementAt(j, nullptr)->mAddonInfo;
if (addonInfo) {
nextCert = addonInfo->mCert;
}
while (0 == CmpBy(&mCompareCache, orgCert, nextCert, sort_IssuerOrg, sort_None, sort_None)) {
mTreeArray[i].numChildren++;
if (++j >= count) break;
nextCert = nullptr;
addonInfo = mDispInfo.SafeElementAt(j, nullptr)->mAddonInfo;
if (addonInfo) {
nextCert = addonInfo->mCert;
}
}
orgCert = nextCert;
}
}
if (mTree) {
mTree->BeginUpdateBatch();
mTree->RowCountChanged(0, -mNumRows);
}
mNumRows = count + mNumOrgs;
if (mTree)
mTree->EndUpdateBatch();
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::DeleteEntryObject(uint32_t index)
{
if (!mTreeArray) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIX509CertDB> certdb =
do_GetService("@mozilla.org/security/x509certdb;1");
if (!certdb) {
return NS_ERROR_FAILURE;
}
int i;
uint32_t idx = 0, cIndex = 0, nc;
// Loop over the threads
for (i=0; i<mNumOrgs; i++) {
if (index == idx)
return NS_OK; // index is for thread
idx++; // get past the thread
nc = (mTreeArray[i].open) ? mTreeArray[i].numChildren : 0;
if (index < idx + nc) { // cert is within range of this thread
int32_t certIndex = cIndex + index - idx;
bool canRemoveEntry = false;
RefPtr<nsCertTreeDispInfo> certdi(mDispInfo.SafeElementAt(certIndex,
nullptr));
// We will remove the element from the visual tree.
// Only if we have a certdi, then we can check for additional actions.
nsCOMPtr<nsIX509Cert> cert = nullptr;
if (certdi) {
if (certdi->mAddonInfo) {
cert = certdi->mAddonInfo->mCert;
}
nsCertAddonInfo* addonInfo =
certdi->mAddonInfo ? certdi->mAddonInfo.get() : nullptr;
if (certdi->mTypeOfEntry == nsCertTreeDispInfo::host_port_override) {
mOverrideService->ClearValidityOverride(certdi->mAsciiHost, certdi->mPort);
if (addonInfo) {
addonInfo->mUsageCount--;
if (addonInfo->mUsageCount == 0) {
// The certificate stored in the database is no longer
// referenced by any other object displayed.
// That means we no longer need to keep it around
// and really can remove it.
canRemoveEntry = true;
}
}
}
else {
if (addonInfo && addonInfo->mUsageCount > 1) {
// user is trying to delete a perm trusted cert,
// although there are still overrides stored,
// so, we keep the cert, but remove the trust
ScopedCERTCertificate nsscert(cert->GetCert());
if (nsscert) {
CERTCertTrust trust;
memset((void*)&trust, 0, sizeof(trust));
SECStatus srv = CERT_DecodeTrustString(&trust, ""); // no override
if (srv == SECSuccess) {
CERT_ChangeCertTrust(CERT_GetDefaultCertDB(), nsscert.get(),
&trust);
}
}
}
else {
canRemoveEntry = true;
}
}
}
mDispInfo.RemoveElementAt(certIndex);
if (canRemoveEntry) {
RemoveCacheEntry(cert);
certdb->DeleteCertificate(cert);
}
delete [] mTreeArray;
mTreeArray = nullptr;
return UpdateUIContents();
}
if (mTreeArray[i].open)
idx += mTreeArray[i].numChildren;
cIndex += mTreeArray[i].numChildren;
if (idx > index)
break;
}
return NS_ERROR_FAILURE;
}
//////////////////////////////////////////////////////////////////////////////
//
// Begin nsITreeView methods
//
/////////////////////////////////////////////////////////////////////////////
NS_IMETHODIMP
nsCertTree::GetCert(uint32_t aIndex, nsIX509Cert **_cert)
{
NS_ENSURE_ARG(_cert);
*_cert = GetCertAtIndex(aIndex).take();
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::GetTreeItem(uint32_t aIndex, nsICertTreeItem **_treeitem)
{
NS_ENSURE_ARG(_treeitem);
RefPtr<nsCertTreeDispInfo> certdi(GetDispInfoAtIndex(aIndex));
if (!certdi)
return NS_ERROR_FAILURE;
*_treeitem = certdi;
NS_IF_ADDREF(*_treeitem);
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::IsHostPortOverride(uint32_t aIndex, bool *_retval)
{
NS_ENSURE_ARG(_retval);
RefPtr<nsCertTreeDispInfo> certdi(GetDispInfoAtIndex(aIndex));
if (!certdi)
return NS_ERROR_FAILURE;
*_retval = (certdi->mTypeOfEntry == nsCertTreeDispInfo::host_port_override);
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::GetRowCount(int32_t *aRowCount)
{
if (!mTreeArray)
return NS_ERROR_NOT_INITIALIZED;
uint32_t count = 0;
for (int32_t i=0; i<mNumOrgs; i++) {
if (mTreeArray[i].open) {
count += mTreeArray[i].numChildren;
}
count++;
}
*aRowCount = count;
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::GetSelection(nsITreeSelection * *aSelection)
{
*aSelection = mSelection;
NS_IF_ADDREF(*aSelection);
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::SetSelection(nsITreeSelection * aSelection)
{
mSelection = aSelection;
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::GetRowProperties(int32_t index, nsAString& aProps)
{
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::GetCellProperties(int32_t row, nsITreeColumn* col,
nsAString& aProps)
{
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::GetColumnProperties(nsITreeColumn* col, nsAString& aProps)
{
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::IsContainer(int32_t index, bool *_retval)
{
if (!mTreeArray)
return NS_ERROR_NOT_INITIALIZED;
treeArrayEl *el = GetThreadDescAtIndex(index);
if (el) {
*_retval = true;
} else {
*_retval = false;
}
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::IsContainerOpen(int32_t index, bool *_retval)
{
if (!mTreeArray)
return NS_ERROR_NOT_INITIALIZED;
treeArrayEl *el = GetThreadDescAtIndex(index);
if (el && el->open) {
*_retval = true;
} else {
*_retval = false;
}
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::IsContainerEmpty(int32_t index, bool *_retval)
{
*_retval = !mTreeArray;
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::IsSeparator(int32_t index, bool *_retval)
{
*_retval = false;
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::GetParentIndex(int32_t rowIndex, int32_t *_retval)
{
if (!mTreeArray)
return NS_ERROR_NOT_INITIALIZED;
int i, idx = 0;
for (i = 0; i < mNumOrgs && idx < rowIndex; i++, idx++) {
if (mTreeArray[i].open) {
if (rowIndex <= idx + mTreeArray[i].numChildren) {
*_retval = idx;
return NS_OK;
}
idx += mTreeArray[i].numChildren;
}
}
*_retval = -1;
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::HasNextSibling(int32_t rowIndex, int32_t afterIndex,
bool *_retval)
{
if (!mTreeArray)
return NS_ERROR_NOT_INITIALIZED;
int i, idx = 0;
for (i = 0; i < mNumOrgs && idx <= rowIndex; i++, idx++) {
if (mTreeArray[i].open) {
idx += mTreeArray[i].numChildren;
if (afterIndex <= idx) {
*_retval = afterIndex < idx;
return NS_OK;
}
}
}
*_retval = false;
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::GetLevel(int32_t index, int32_t *_retval)
{
if (!mTreeArray)
return NS_ERROR_NOT_INITIALIZED;
treeArrayEl *el = GetThreadDescAtIndex(index);
if (el) {
*_retval = 0;
} else {
*_retval = 1;
}
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::GetImageSrc(int32_t row, nsITreeColumn* col,
nsAString& _retval)
{
_retval.Truncate();
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::GetProgressMode(int32_t row, nsITreeColumn* col, int32_t* _retval)
{
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::GetCellValue(int32_t row, nsITreeColumn* col,
nsAString& _retval)
{
_retval.Truncate();
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::GetCellText(int32_t row, nsITreeColumn* col,
nsAString& _retval)
{
if (!mTreeArray)
return NS_ERROR_NOT_INITIALIZED;
nsresult rv;
_retval.Truncate();
const char16_t* colID;
col->GetIdConst(&colID);
treeArrayEl *el = GetThreadDescAtIndex(row);
if (el) {
if (NS_LITERAL_STRING("certcol").Equals(colID))
_retval.Assign(el->orgName);
else
_retval.Truncate();
return NS_OK;
}
int32_t absoluteCertOffset;
RefPtr<nsCertTreeDispInfo> certdi(GetDispInfoAtIndex(row, &absoluteCertOffset));
if (!certdi)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIX509Cert> cert = certdi->mCert;
if (!cert && certdi->mAddonInfo) {
cert = certdi->mAddonInfo->mCert;
}
int32_t colIndex;
col->GetIndex(&colIndex);
uint32_t arrayIndex=absoluteCertOffset+colIndex*(mNumRows-mNumOrgs);
uint32_t arrayLength=0;
if (mCellText) {
mCellText->GetLength(&arrayLength);
}
if (arrayIndex < arrayLength) {
nsCOMPtr<nsISupportsString> myString(do_QueryElementAt(mCellText, arrayIndex));
if (myString) {
myString->GetData(_retval);
return NS_OK;
}
}
if (NS_LITERAL_STRING("certcol").Equals(colID)) {
if (!cert) {
mNSSComponent->GetPIPNSSBundleString("CertNotStored", _retval);
}
else {
rv = cert->GetCommonName(_retval);
if (NS_FAILED(rv) || _retval.IsEmpty()) {
// kaie: I didn't invent the idea to cut off anything before
// the first colon. :-)
nsAutoString nick;
rv = cert->GetNickname(nick);
nsAString::const_iterator start, end, end2;
nick.BeginReading(start);
nick.EndReading(end);
end2 = end;
if (FindInReadable(NS_LITERAL_STRING(":"), start, end)) {
// found. end points to the first char after the colon,
// that's what we want.
_retval = Substring(end, end2);
}
else {
_retval = nick;
}
}
}
} else if (NS_LITERAL_STRING("tokencol").Equals(colID) && cert) {
rv = cert->GetTokenName(_retval);
} else if (NS_LITERAL_STRING("emailcol").Equals(colID) && cert) {
rv = cert->GetEmailAddress(_retval);
} else if (NS_LITERAL_STRING("purposecol").Equals(colID) && mNSSComponent && cert) {
uint32_t verified;
nsAutoString theUsages;
rv = cert->GetUsagesString(false, &verified, theUsages); // allow OCSP
if (NS_FAILED(rv)) {
verified = nsIX509Cert::NOT_VERIFIED_UNKNOWN;
}
switch (verified) {
case nsIX509Cert::VERIFIED_OK:
_retval = theUsages;
break;
case nsIX509Cert::CERT_REVOKED:
rv = mNSSComponent->GetPIPNSSBundleString("VerifyRevoked", _retval);
break;
case nsIX509Cert::CERT_EXPIRED:
rv = mNSSComponent->GetPIPNSSBundleString("VerifyExpired", _retval);
break;
case nsIX509Cert::CERT_NOT_TRUSTED:
rv = mNSSComponent->GetPIPNSSBundleString("VerifyNotTrusted", _retval);
break;
case nsIX509Cert::ISSUER_NOT_TRUSTED:
rv = mNSSComponent->GetPIPNSSBundleString("VerifyIssuerNotTrusted", _retval);
break;
case nsIX509Cert::ISSUER_UNKNOWN:
rv = mNSSComponent->GetPIPNSSBundleString("VerifyIssuerUnknown", _retval);
break;
case nsIX509Cert::INVALID_CA:
rv = mNSSComponent->GetPIPNSSBundleString("VerifyInvalidCA", _retval);
break;
case nsIX509Cert::SIGNATURE_ALGORITHM_DISABLED:
rv = mNSSComponent->GetPIPNSSBundleString("VerifyDisabledAlgorithm", _retval);
break;
case nsIX509Cert::NOT_VERIFIED_UNKNOWN:
case nsIX509Cert::USAGE_NOT_ALLOWED:
default:
rv = mNSSComponent->GetPIPNSSBundleString("VerifyUnknown", _retval);
break;
}
} else if (NS_LITERAL_STRING("issuedcol").Equals(colID) && cert) {
nsCOMPtr<nsIX509CertValidity> validity;
rv = cert->GetValidity(getter_AddRefs(validity));
if (NS_SUCCEEDED(rv)) {
validity->GetNotBeforeLocalDay(_retval);
}
} else if (NS_LITERAL_STRING("expiredcol").Equals(colID) && cert) {
nsCOMPtr<nsIX509CertValidity> validity;
rv = cert->GetValidity(getter_AddRefs(validity));
if (NS_SUCCEEDED(rv)) {
validity->GetNotAfterLocalDay(_retval);
}
} else if (NS_LITERAL_STRING("serialnumcol").Equals(colID) && cert) {
rv = cert->GetSerialNumber(_retval);
} else if (NS_LITERAL_STRING("overridetypecol").Equals(colID)) {
// default to classic permanent-trust
nsCertOverride::OverrideBits ob = nsCertOverride::ob_Untrusted;
if (certdi->mTypeOfEntry == nsCertTreeDispInfo::host_port_override) {
ob = certdi->mOverrideBits;
}
nsAutoCString temp;
nsCertOverride::convertBitsToString(ob, temp);
_retval = NS_ConvertUTF8toUTF16(temp);
} else if (NS_LITERAL_STRING("sitecol").Equals(colID)) {
if (certdi->mTypeOfEntry == nsCertTreeDispInfo::host_port_override) {
nsAutoCString hostPort;
nsCertOverrideService::GetHostWithPort(certdi->mAsciiHost, certdi->mPort, hostPort);
_retval = NS_ConvertUTF8toUTF16(hostPort);
}
else {
_retval = NS_LITERAL_STRING("*");
}
} else if (NS_LITERAL_STRING("lifetimecol").Equals(colID)) {
const char *stringID =
(certdi->mIsTemporary) ? "CertExceptionTemporary" : "CertExceptionPermanent";
rv = mNSSComponent->GetPIPNSSBundleString(stringID, _retval);
} else if (NS_LITERAL_STRING("typecol").Equals(colID) && cert) {
uint32_t type = nsIX509Cert::UNKNOWN_CERT;
rv = cert->GetCertType(&type);
switch (type) {
case nsIX509Cert::USER_CERT:
rv = mNSSComponent->GetPIPNSSBundleString("CertUser", _retval);
break;
case nsIX509Cert::CA_CERT:
rv = mNSSComponent->GetPIPNSSBundleString("CertCA", _retval);
break;
case nsIX509Cert::SERVER_CERT:
rv = mNSSComponent->GetPIPNSSBundleString("CertSSL", _retval);
break;
case nsIX509Cert::EMAIL_CERT:
rv = mNSSComponent->GetPIPNSSBundleString("CertEmail", _retval);
break;
default:
rv = mNSSComponent->GetPIPNSSBundleString("CertUnknown", _retval);
break;
}
} else {
return NS_ERROR_FAILURE;
}
if (mCellText) {
nsCOMPtr<nsISupportsString> text(do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv));
NS_ENSURE_SUCCESS(rv, rv);
text->SetData(_retval);
mCellText->ReplaceElementAt(text, arrayIndex, false);
}
return rv;
}
NS_IMETHODIMP
nsCertTree::SetTree(nsITreeBoxObject *tree)
{
mTree = tree;
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::ToggleOpenState(int32_t index)
{
if (!mTreeArray)
return NS_ERROR_NOT_INITIALIZED;
treeArrayEl *el = GetThreadDescAtIndex(index);
if (el) {
el->open = !el->open;
int32_t newChildren = (el->open) ? el->numChildren : -el->numChildren;
if (mTree) mTree->RowCountChanged(index + 1, newChildren);
}
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::CycleHeader(nsITreeColumn* col)
{
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::SelectionChanged()
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsCertTree::CycleCell(int32_t row, nsITreeColumn* col)
{
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::IsEditable(int32_t row, nsITreeColumn* col, bool *_retval)
{
*_retval = false;
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::IsSelectable(int32_t row, nsITreeColumn* col, bool *_retval)
{
*_retval = false;
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::SetCellValue(int32_t row, nsITreeColumn* col,
const nsAString& value)
{
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::SetCellText(int32_t row, nsITreeColumn* col,
const nsAString& value)
{
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::PerformAction(const char16_t *action)
{
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::PerformActionOnRow(const char16_t *action, int32_t row)
{
return NS_OK;
}
NS_IMETHODIMP
nsCertTree::PerformActionOnCell(const char16_t *action, int32_t row,
nsITreeColumn* col)
{
return NS_OK;
}
#ifdef DEBUG_CERT_TREE
void
nsCertTree::dumpMap()
{
for (int i=0; i<mNumOrgs; i++) {
nsAutoString org(mTreeArray[i].orgName);
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("ORG[%s]", NS_LossyConvertUTF16toASCII(org).get()));
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("OPEN[%d]", mTreeArray[i].open));
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("INDEX[%d]", mTreeArray[i].certIndex));
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("NCHILD[%d]", mTreeArray[i].numChildren));
}
for (int i=0; i<mNumRows; i++) {
treeArrayEl *el = GetThreadDescAtIndex(i);
if (el) {
nsAutoString td(el->orgName);
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("thread desc[%d]: %s", i, NS_LossyConvertUTF16toASCII(td).get()));
}
nsCOMPtr<nsIX509Cert> ct = GetCertAtIndex(i);
if (ct) {
char16_t *goo;
ct->GetCommonName(&goo);
nsAutoString doo(goo);
MOZ_LOG(gPIPNSSLog, LogLevel::Debug, ("cert [%d]: %s", i, NS_LossyConvertUTF16toASCII(doo).get()));
}
}
}
#endif
//
// CanDrop
//
NS_IMETHODIMP nsCertTree::CanDrop(int32_t index, int32_t orientation,
nsIDOMDataTransfer* aDataTransfer, bool *_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = false;
return NS_OK;
}
//
// Drop
//
NS_IMETHODIMP nsCertTree::Drop(int32_t row, int32_t orient, nsIDOMDataTransfer* aDataTransfer)
{
return NS_OK;
}
//
// IsSorted
//
// ...
//
NS_IMETHODIMP nsCertTree::IsSorted(bool *_retval)
{
*_retval = false;
return NS_OK;
}
#define RETURN_NOTHING
void
nsCertTree::CmpInitCriterion(nsIX509Cert *cert, CompareCacheHashEntry *entry,
sortCriterion crit, int32_t level)
{
NS_ENSURE_TRUE(cert && entry, RETURN_NOTHING);
entry->mCritInit[level] = true;
nsXPIDLString &str = entry->mCrit[level];
switch (crit) {
case sort_IssuerOrg:
cert->GetIssuerOrganization(str);
if (str.IsEmpty())
cert->GetCommonName(str);
break;
case sort_Org:
cert->GetOrganization(str);
break;
case sort_Token:
cert->GetTokenName(str);
break;
case sort_CommonName:
cert->GetCommonName(str);
break;
case sort_IssuedDateDescending:
{
nsresult rv;
nsCOMPtr<nsIX509CertValidity> validity;
PRTime notBefore;
rv = cert->GetValidity(getter_AddRefs(validity));
if (NS_SUCCEEDED(rv)) {
rv = validity->GetNotBefore(&notBefore);
}
if (NS_SUCCEEDED(rv)) {
PRExplodedTime explodedTime;
PR_ExplodeTime(notBefore, PR_GMTParameters, &explodedTime);
char datebuf[20]; // 4 + 2 + 2 + 2 + 2 + 2 + 1 = 15
if (0 != PR_FormatTime(datebuf, sizeof(datebuf), "%Y%m%d%H%M%S", &explodedTime)) {
str = NS_ConvertASCIItoUTF16(nsDependentCString(datebuf));
}
}
}
break;
case sort_Email:
cert->GetEmailAddress(str);
break;
case sort_None:
default:
break;
}
}
int32_t
nsCertTree::CmpByCrit(nsIX509Cert *a, CompareCacheHashEntry *ace,
nsIX509Cert *b, CompareCacheHashEntry *bce,
sortCriterion crit, int32_t level)
{
NS_ENSURE_TRUE(a && ace && b && bce, 0);
if (!ace->mCritInit[level]) {
CmpInitCriterion(a, ace, crit, level);
}
if (!bce->mCritInit[level]) {
CmpInitCriterion(b, bce, crit, level);
}
nsXPIDLString &str_a = ace->mCrit[level];
nsXPIDLString &str_b = bce->mCrit[level];
int32_t result;
if (str_a && str_b)
result = Compare(str_a, str_b, nsCaseInsensitiveStringComparator());
else
result = !str_a ? (!str_b ? 0 : -1) : 1;
if (sort_IssuedDateDescending == crit)
result *= -1; // reverse compare order
return result;
}
int32_t
nsCertTree::CmpBy(void *cache, nsIX509Cert *a, nsIX509Cert *b,
sortCriterion c0, sortCriterion c1, sortCriterion c2)
{
// This will be called when comparing items for display sorting.
// Some items might have no cert associated, so either a or b is null.
// We want all those orphans show at the top of the list,
// so we treat a null cert as "smaller" by returning -1.
// We don't try to sort within the group of no-cert entries,
// so we treat them as equal wrt sort order.
if (!a && !b)
return 0;
if (!a)
return -1;
if (!b)
return 1;
NS_ENSURE_TRUE(cache && a && b, 0);
CompareCacheHashEntry *ace = getCacheEntry(cache, a);
CompareCacheHashEntry *bce = getCacheEntry(cache, b);
int32_t cmp;
cmp = CmpByCrit(a, ace, b, bce, c0, 0);
if (cmp != 0)
return cmp;
if (c1 != sort_None) {
cmp = CmpByCrit(a, ace, b, bce, c1, 1);
if (cmp != 0)
return cmp;
if (c2 != sort_None) {
return CmpByCrit(a, ace, b, bce, c2, 2);
}
}
return cmp;
}
int32_t
nsCertTree::CmpCACert(void *cache, nsIX509Cert *a, nsIX509Cert *b)
{
// XXX we assume issuer org is always criterion 1
return CmpBy(cache, a, b, sort_IssuerOrg, sort_Org, sort_Token);
}
int32_t
nsCertTree::CmpWebSiteCert(void *cache, nsIX509Cert *a, nsIX509Cert *b)
{
// XXX we assume issuer org is always criterion 1
return CmpBy(cache, a, b, sort_IssuerOrg, sort_CommonName, sort_None);
}
int32_t
nsCertTree::CmpUserCert(void *cache, nsIX509Cert *a, nsIX509Cert *b)
{
// XXX we assume issuer org is always criterion 1
return CmpBy(cache, a, b, sort_IssuerOrg, sort_Token, sort_IssuedDateDescending);
}
int32_t
nsCertTree::CmpEmailCert(void *cache, nsIX509Cert *a, nsIX509Cert *b)
{
// XXX we assume issuer org is always criterion 1
return CmpBy(cache, a, b, sort_IssuerOrg, sort_Email, sort_CommonName);
}
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