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Bug 902761 - Stop storing certs used for MAR verification in EXE resource files. r=rstrong

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This commit is contained in:
Brian R. Bondy 2014-10-15 23:01:11 -04:00
parent e7bce8b740
commit 4c478ec4ae
2 changed files with 18 additions and 71 deletions
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70
toolkit/mozapps/update/updater/archivereader.cpp
View File

@ -15,6 +15,14 @@
#include "updatehelper.h"
#endif
#ifdef XP_WIN
// These are generated at compile time based on the DER file for the channel
// being used
#include "primaryCert.h"
#include "secondaryCert.h"
#include "xpcshellCert.h"
#endif
#define UPDATER_NO_STRING_GLUE_STL
#include "nsVersionComparator.cpp"
#undef UPDATER_NO_STRING_GLUE_STL
@ -33,62 +41,20 @@ static char *outbuf = nullptr;
#ifdef XP_WIN
#include "resource.h"
/**
* Obtains the data of the specified resource name and type.
*
* @param name The name ID of the resource
* @param type The type ID of the resource
* @param data Out parameter which sets the pointer to a buffer containing
* the needed data.
* @param size Out parameter which sets the size of the returned data buffer
* @return TRUE on success
*/
BOOL
LoadFileInResource(int name, int type, const uint8_t *&data, uint32_t& size)
{
HMODULE handle = GetModuleHandle(nullptr);
if (!handle) {
return FALSE;
}
HRSRC resourceInfoBlockHandle = FindResource(handle,
MAKEINTRESOURCE(name),
MAKEINTRESOURCE(type));
if (!resourceInfoBlockHandle) {
FreeLibrary(handle);
return FALSE;
}
HGLOBAL resourceHandle = LoadResource(handle, resourceInfoBlockHandle);
if (!resourceHandle) {
FreeLibrary(handle);
return FALSE;
}
size = SizeofResource(handle, resourceInfoBlockHandle);
data = static_cast<const uint8_t*>(::LockResource(resourceHandle));
FreeLibrary(handle);
return TRUE;
}
/**
* Performs a verification on the opened MAR file with the passed in
* certificate name ID and type ID.
*
* @param archive The MAR file to verify the signature on
* @param name The name ID of the resource
* @param type THe type ID of the resource
* @return OK on success, CERT_LOAD_ERROR or CERT_VERIFY_ERROR on failure.
* @param archive The MAR file to verify the signature on.
* @param certData The certificate data.
* @return OK on success, CERT_VERIFY_ERROR on failure.
*/
template<uint32_t SIZE>
int
VerifyLoadedCert(MarFile *archive, int name, int type)
VerifyLoadedCert(MarFile *archive, const uint8_t (&certData)[SIZE])
{
uint32_t size = 0;
const uint8_t *data = nullptr;
if (!LoadFileInResource(name, type, data, size) || !data || !size) {
return CERT_LOAD_ERROR;
}
const uint32_t size = SIZE;
const uint8_t * const data = &certData[0];
if (mar_verify_signaturesW(archive, &data, &size, 1)) {
return CERT_VERIFY_ERROR;
}
@ -118,11 +84,11 @@ ArchiveReader::VerifySignature()
// use the XPCShell specific cert for the signed MAR.
int rv;
if (DoesFallbackKeyExist()) {
rv = VerifyLoadedCert(mArchive, IDR_XPCSHELL_CERT, TYPE_CERT);
rv = VerifyLoadedCert(mArchive, xpcshellCertData);
} else {
rv = VerifyLoadedCert(mArchive, IDR_PRIMARY_CERT, TYPE_CERT);
rv = VerifyLoadedCert(mArchive, primaryCertData);
if (rv != OK) {
rv = VerifyLoadedCert(mArchive, IDR_BACKUP_CERT, TYPE_CERT);
rv = VerifyLoadedCert(mArchive, secondaryCertData);
}
}
return rv;

19
toolkit/mozapps/update/updater/updater.rc
View File

@ -40,25 +40,6 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
IDI_DIALOG ICON "updater.ico"
/////////////////////////////////////////////////////////////////////////////
//
// Embedded certificates for allowed MARs
//
#if defined(MAR_SIGNING_RELEASE_BETA)
IDR_PRIMARY_CERT TYPE_CERT "release_primary.der"
IDR_BACKUP_CERT TYPE_CERT "release_secondary.der"
#elif defined(MAR_SIGNING_AURORA_NIGHTLY)
IDR_PRIMARY_CERT TYPE_CERT "nightly_aurora_level3_primary.der"
IDR_BACKUP_CERT TYPE_CERT "nightly_aurora_level3_secondary.der"
#else
IDR_PRIMARY_CERT TYPE_CERT "dep1.der"
IDR_BACKUP_CERT TYPE_CERT "dep2.der"
#endif
IDR_XPCSHELL_CERT TYPE_CERT "xpcshellCertificate.der"
/////////////////////////////////////////////////////////////////////////////
//
// Embedded an identifier to uniquely identiy this as a Mozilla updater.