nsresult
nsPluggableJVM::loadPluginDLL(const char* plugin_home)
{
char* plugin_dll = PR_GetLibraryName(plugin_home, LIBJVMP);
JVMP_GetPlugin_t fJVMP_GetPlugin;
char errorMsg[1024] = "<unknown; can't get error from NSPR>";
OJI_LOG2("Loading JVMP from %s", plugin_dll);
m_dll = PR_LoadLibrary(plugin_dll);
PR_Free(plugin_dll);
if (!m_dll)
{
if (PR_GetErrorTextLength() < (int) sizeof(errorMsg))
PR_GetErrorText(errorMsg);
OJI_LOG2("Cannot load plugin DLL: %s", errorMsg);
return NS_ERROR_FAILURE;
}
fJVMP_GetPlugin =
(JVMP_GetPlugin_t) PR_FindSymbol(m_dll, "JVMP_GetPlugin");
if (!fJVMP_GetPlugin)
{
if (PR_GetErrorTextLength() < (int) sizeof(errorMsg))
PR_GetErrorText(errorMsg);
OJI_LOG2("Cannot resolve JVMP_GetPlugin: %s", errorMsg);
return NS_ERROR_FAILURE;
}
(*fJVMP_GetPlugin)(&m_jvmp_context);
return NS_OK;
}
/****************************************************************
*
* J z i p O p e n
*
* Opens a new ZIP file and creates a new ZIPfile structure to
* control the process of installing files into a zip.
*/
ZIPfile *
JzipOpen(char *filename, char *comment)
{
ZIPfile *zipfile;
PRExplodedTime prtime;
zipfile = PORT_ZAlloc(sizeof(ZIPfile));
if (!zipfile)
out_of_memory();
/* Construct time and date */
PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &prtime);
zipfile->date = ((prtime.tm_year - 1980) << 9) |
((prtime.tm_month + 1) << 5) |
prtime.tm_mday;
zipfile->time = (prtime.tm_hour << 11) |
(prtime.tm_min << 5) |
(prtime.tm_sec & 0x3f);
zipfile->fp = NULL;
if (filename &&
(zipfile->fp = PR_Open(filename,
PR_WRONLY |
PR_CREATE_FILE |
PR_TRUNCATE,
0777)) == NULL) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "%s: can't open output jar, %s.%s\n",
PROGRAM_NAME,
filename, nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
zipfile->list = NULL;
if (filename) {
zipfile->filename = PORT_ZAlloc(strlen(filename) + 1);
if (!zipfile->filename)
out_of_memory();
PORT_Strcpy(zipfile->filename, filename);
}
if (comment) {
zipfile->comment = PORT_ZAlloc(strlen(comment) + 1);
if (!zipfile->comment)
out_of_memory();
PORT_Strcpy(zipfile->comment, comment);
}
return zipfile;
}
static void DisplayPR_LoadLibraryErrorMessage(const char *libName)
{
char errorMsg[PLUGIN_MAX_LEN_OF_TMP_ARR] = "Cannot get error from NSPR.";
if (PR_GetErrorTextLength() < (int) sizeof(errorMsg))
PR_GetErrorText(errorMsg);
fprintf(stderr, "LoadPlugin: failed to initialize shared library %s [%s]\n",
libName, errorMsg);
}
/**********************************************************************
*
* A d d M o d u l e
*
* Add the named module, with the given library file, ciphers, and
* default mechanism flags
*/
Error
AddModule(char *moduleName, char *libFile, char *cipherString,
char *mechanismString, char *modparms)
{
unsigned long ciphers;
unsigned long mechanisms;
SECStatus status;
mechanisms =
getFlagsFromString(mechanismString, mechanismStrings,
numMechanismStrings);
ciphers =
getFlagsFromString(cipherString, cipherStrings, numCipherStrings);
status =
SECMOD_AddNewModuleEx(moduleName, libFile,
SECMOD_PubMechFlagstoInternal(mechanisms),
SECMOD_PubCipherFlagstoInternal(ciphers),
modparms, NULL);
if (status != SECSuccess) {
char *errtxt = NULL;
PRInt32 copied = 0;
if (PR_GetErrorTextLength()) {
errtxt = PR_Malloc(PR_GetErrorTextLength() + 1);
copied = PR_GetErrorText(errtxt);
}
if (copied && errtxt) {
PR_fprintf(PR_STDERR, errStrings[ADD_MODULE_FAILED_ERR],
moduleName, errtxt);
PR_Free(errtxt);
} else {
PR_fprintf(PR_STDERR, errStrings[ADD_MODULE_FAILED_ERR],
moduleName, SECU_Strerror(PORT_GetError()));
}
return ADD_MODULE_FAILED_ERR;
} else {
PR_fprintf(PR_STDOUT, msgStrings[ADD_MODULE_SUCCESS_MSG], moduleName);
return SUCCESS;
}
}
// Release the retun value with PR_FREEIF
static char* getPRErrorText ()
{
PRInt32 errTextLen = PR_GetErrorTextLength ();
char *s = (char*)PR_MALLOC (errTextLen + 1);
if (s)
{
s[0] = '\0';
(void)PR_GetErrorText (s);
}
return s;
}
// Release the retun value with PR_FREEIF
static char* getPRErrorText ()
{
PRInt32 errTextLen = PR_GetErrorTextLength ();
char *rv = (char*)PR_MALLOC (errTextLen + 1);
if (rv)
{
rv[0] = '\0';
(void)PR_GetErrorText (rv);
}
return rv;
}
static gchar *get_error_text(void)
{
PRInt32 len = PR_GetErrorTextLength();
gchar *ret = NULL;
if (len > 0) {
ret = g_malloc(len + 1);
len = PR_GetErrorText(ret);
ret[len] = '\0';
}
return ret;
}
void
SECU_PrintPRandOSError(const char *progName)
{
char buffer[513];
PRInt32 errLen = PR_GetErrorTextLength();
if (errLen > 0 && errLen < sizeof buffer) {
PR_GetErrorText(buffer);
}
SECU_PrintError(progName, "function failed");
if (errLen > 0 && errLen < sizeof buffer) {
PR_fprintf(PR_STDERR, "\t%s\n", buffer);
}
}
static void
load_nss (GsdSmartcardManager *self)
{
GsdSmartcardManagerPrivate *priv = self->priv;
NSSInitContext *context = NULL;
/* The first field in the NSSInitParameters structure
* is the size of the structure. NSS requires this, so
* that it can change the size of the structure in future
* versions of NSS in a detectable way
*/
NSSInitParameters parameters = { sizeof (parameters), };
static const guint32 flags = NSS_INIT_READONLY
| NSS_INIT_FORCEOPEN
| NSS_INIT_NOROOTINIT
| NSS_INIT_OPTIMIZESPACE
| NSS_INIT_PK11RELOAD;
g_debug ("attempting to load NSS database '%s'",
GSD_SMARTCARD_MANAGER_NSS_DB);
PR_Init (PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
context = NSS_InitContext (GSD_SMARTCARD_MANAGER_NSS_DB,
"", "", SECMOD_DB, ¶meters, flags);
if (context == NULL) {
gsize error_message_size;
char *error_message;
error_message_size = PR_GetErrorTextLength ();
if (error_message_size == 0) {
g_debug ("NSS security system could not be initialized");
} else {
error_message = g_alloca (error_message_size);
PR_GetErrorText (error_message);
g_debug ("NSS security system could not be initialized - %s",
error_message);
}
priv->nss_context = NULL;
return;
}
g_debug ("NSS database '%s' loaded", GSD_SMARTCARD_MANAGER_NSS_DB);
priv->nss_context = context;
}
char *
sc_get_nss_error (void)
{
gsize error_message_size;
gchar *error_message;
error_message_size = PR_GetErrorTextLength ();
if (error_message_size) {
error_message = g_malloc0 (error_message_size);
PR_GetErrorText (error_message);
} else {
error_message = g_strdup (_("unavailable nss error"));
}
return error_message;
}
void
e_msgport_put (EMsgPort *msgport, EMsg *msg)
{
gint fd;
#ifdef HAVE_NSS
PRFileDesc *prfd;
#endif
g_return_if_fail (msgport != NULL);
g_return_if_fail (msg != NULL);
g_async_queue_lock (msgport->queue);
msg->flags = 0;
fd = msgport->pipe[1];
while (fd >= 0) {
if (E_WRITE (fd, "E", 1) > 0) {
msg->flags |= MSG_FLAG_SYNC_WITH_PIPE;
break;
} else if (!E_IS_STATUS_INTR ()) {
g_warning ("%s: Failed to write to pipe: %s",
G_STRFUNC, g_strerror (errno));
break;
}
}
#ifdef HAVE_NSS
prfd = msgport->prpipe[1];
while (prfd != NULL) {
if (PR_Write (prfd, "E", 1) > 0) {
msg->flags |= MSG_FLAG_SYNC_WITH_PR_PIPE;
break;
} else if (PR_GetError () != PR_PENDING_INTERRUPT_ERROR) {
gchar *text = g_alloca (PR_GetErrorTextLength ());
PR_GetErrorText (text);
g_warning ("%s: Failed to write to NSPR pipe: %s",
G_STRFUNC, text);
break;
}
}
#endif
g_async_queue_push_unlocked (msgport->queue, msg);
g_async_queue_unlock (msgport->queue);
}
static void
msgport_sync_with_prpipe (PRFileDesc *prfd)
{
gchar buffer[1];
while (prfd != NULL) {
if (PR_Read (prfd, buffer, 1) > 0)
break;
else if (PR_GetError () != PR_PENDING_INTERRUPT_ERROR) {
gchar *text = g_alloca (PR_GetErrorTextLength ());
PR_GetErrorText (text);
g_warning ("%s: Failed to read from NSPR pipe: %s",
G_STRFUNC, text);
break;
}
}
}
void
nss_gen_err(const char *fmt, ...)
{
va_list ap;
char *text;
int len;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
if ((len = PR_GetErrorTextLength()) > 0) {
text = ac_alloc(len);
if (PR_GetErrorText(text) > 0)
fprintf(stderr, ": %s\n", text);
ac_free(text);
} else
fprintf(stderr, ": %s.\n", nss_strerror(PR_GetError()));
}
static void
load_nss (GsdSmartcardManager *self)
{
GsdSmartcardManagerPrivate *priv = self->priv;
SECStatus status = SECSuccess;
static const guint32 flags = NSS_INIT_READONLY
| NSS_INIT_FORCEOPEN
| NSS_INIT_NOROOTINIT
| NSS_INIT_OPTIMIZESPACE
| NSS_INIT_PK11RELOAD;
g_debug ("attempting to load NSS database '%s'",
GSD_SMARTCARD_MANAGER_NSS_DB);
PR_Init (PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
status = NSS_Initialize (GSD_SMARTCARD_MANAGER_NSS_DB,
"", "", SECMOD_DB, flags);
if (status != SECSuccess) {
gsize error_message_size;
char *error_message;
error_message_size = PR_GetErrorTextLength ();
if (error_message_size == 0) {
g_debug ("NSS security system could not be initialized");
} else {
error_message = g_alloca (error_message_size);
PR_GetErrorText (error_message);
g_debug ("NSS security system could not be initialized - %s",
error_message);
}
priv->nss_is_loaded = FALSE;
return;
}
g_debug ("NSS database '%s' loaded", GSD_SMARTCARD_MANAGER_NSS_DB);
priv->nss_is_loaded = TRUE;
}
void _PR_InitLinker(void)
{
PRLibrary *lm = NULL;
#if defined(XP_UNIX) || defined(XP_AMIGAOS)
void *h;
#endif
if (!pr_linker_lock) {
pr_linker_lock = PR_NewNamedMonitor("linker-lock");
}
PR_EnterMonitor(pr_linker_lock);
#if defined(XP_PC)
lm = PR_NEWZAP(PRLibrary);
lm->name = strdup("Executable");
#if defined(XP_OS2)
lm->dlh = NULLHANDLE;
#else
/* A module handle for the executable. */
lm->dlh = GetModuleHandle(NULL);
#endif /* ! XP_OS2 */
lm->refCount = 1;
lm->staticTable = NULL;
pr_exe_loadmap = lm;
pr_loadmap = lm;
#elif defined(XP_UNIX) || defined(XP_AMIGAOS)
#ifdef HAVE_DLL
#if defined(USE_DLFCN) && !defined(NO_DLOPEN_NULL)
h = dlopen(0, RTLD_LAZY);
if (!h) {
char *error;
DLLErrorInternal(_MD_ERRNO());
error = (char*)PR_MALLOC(PR_GetErrorTextLength());
(void) PR_GetErrorText(error);
fprintf(stderr, "failed to initialize shared libraries [%s]\n",
error);
PR_DELETE(error);
abort();/* XXX */
}
#elif defined(USE_HPSHL)
h = NULL;
/* don't abort with this NULL */
#elif defined(USE_MACH_DYLD) || defined(NO_DLOPEN_NULL)
h = NULL; /* XXXX toshok */ /* XXXX vlad */
#else
#error no dll strategy
#endif /* USE_DLFCN */
lm = PR_NEWZAP(PRLibrary);
if (lm) {
lm->name = strdup("a.out");
lm->refCount = 1;
lm->dlh = h;
lm->staticTable = NULL;
}
pr_exe_loadmap = lm;
pr_loadmap = lm;
#endif /* HAVE_DLL */
#endif /* XP_UNIX */
if (lm) {
PR_LOG(_pr_linker_lm, PR_LOG_MIN,
("Loaded library %s (init)", lm->name));
}
PR_ExitMonitor(pr_linker_lock);
}
JSObject*
Library::Create(JSContext* cx, HandleValue path, const JSCTypesCallbacks* callbacks)
{
RootedObject libraryObj(cx, JS_NewObject(cx, &sLibraryClass));
if (!libraryObj)
return nullptr;
// initialize the library
JS_SetReservedSlot(libraryObj, SLOT_LIBRARY, PrivateValue(nullptr));
// attach API functions
if (!JS_DefineFunctions(cx, libraryObj, sLibraryFunctions))
return nullptr;
if (!path.isString()) {
JS_ReportErrorASCII(cx, "open takes a string argument");
return nullptr;
}
PRLibSpec libSpec;
RootedFlatString pathStr(cx, JS_FlattenString(cx, path.toString()));
if (!pathStr)
return nullptr;
AutoStableStringChars pathStrChars(cx);
if (!pathStrChars.initTwoByte(cx, pathStr))
return nullptr;
#ifdef XP_WIN
// On Windows, converting to native charset may corrupt path string.
// So, we have to use Unicode path directly.
char16ptr_t pathChars = pathStrChars.twoByteChars();
libSpec.value.pathname_u = pathChars;
libSpec.type = PR_LibSpec_PathnameU;
#else
// Convert to platform native charset if the appropriate callback has been
// provided.
char* pathBytes;
if (callbacks && callbacks->unicodeToNative) {
pathBytes =
callbacks->unicodeToNative(cx, pathStrChars.twoByteChars(), pathStr->length());
if (!pathBytes)
return nullptr;
} else {
// Fallback: assume the platform native charset is UTF-8. This is true
// for Mac OS X, Android, and probably Linux.
size_t nbytes =
GetDeflatedUTF8StringLength(cx, pathStrChars.twoByteChars(), pathStr->length());
if (nbytes == (size_t) -1)
return nullptr;
pathBytes = static_cast<char*>(JS_malloc(cx, nbytes + 1));
if (!pathBytes)
return nullptr;
ASSERT_OK(DeflateStringToUTF8Buffer(cx, pathStrChars.twoByteChars(),
pathStr->length(), pathBytes, &nbytes));
pathBytes[nbytes] = 0;
}
libSpec.value.pathname = pathBytes;
libSpec.type = PR_LibSpec_Pathname;
#endif
PRLibrary* library = PR_LoadLibraryWithFlags(libSpec, PR_LD_NOW);
#ifndef XP_WIN
JS_free(cx, pathBytes);
#endif
if (!library) {
#define MAX_ERROR_LEN 1024
char error[MAX_ERROR_LEN] = "Cannot get error from NSPR.";
uint32_t errorLen = PR_GetErrorTextLength();
if (errorLen && errorLen < MAX_ERROR_LEN)
PR_GetErrorText(error);
#undef MAX_ERROR_LEN
if (JS::StringIsASCII(error)) {
JSAutoByteString pathCharsUTF8;
if (pathCharsUTF8.encodeUtf8(cx, pathStr))
JS_ReportErrorUTF8(cx, "couldn't open library %s: %s", pathCharsUTF8.ptr(), error);
} else {
JSAutoByteString pathCharsLatin1;
if (pathCharsLatin1.encodeLatin1(cx, pathStr))
JS_ReportErrorLatin1(cx, "couldn't open library %s: %s", pathCharsLatin1.ptr(), error);
}
return nullptr;
}
// stash the library
JS_SetReservedSlot(libraryObj, SLOT_LIBRARY, PrivateValue(library));
return libraryObj;
}
const mozilla::Module*
nsNativeModuleLoader::LoadModule(nsILocalFile* aFile)
{
nsresult rv;
if (!NS_IsMainThread()) {
// If this call is off the main thread, synchronously proxy it
// to the main thread.
nsRefPtr<LoadModuleMainThreadRunnable> r = new LoadModuleMainThreadRunnable(this, aFile);
NS_DispatchToMainThread(r, NS_DISPATCH_SYNC);
return r->mResult;
}
nsCOMPtr<nsIHashable> hashedFile(do_QueryInterface(aFile));
if (!hashedFile) {
NS_ERROR("nsIFile is not nsIHashable");
return NULL;
}
nsCAutoString filePath;
aFile->GetNativePath(filePath);
NativeLoadData data;
if (mLibraries.Get(hashedFile, &data)) {
NS_ASSERTION(data.module, "Corrupt mLibraries hash");
LOG(PR_LOG_DEBUG,
("nsNativeModuleLoader::LoadModule(\"%s\") - found in cache",
filePath.get()));
return data.module;
}
// We haven't loaded this module before
rv = aFile->Load(&data.library);
if (NS_FAILED(rv)) {
char errorMsg[1024] = "<unknown; can't get error from NSPR>";
if (PR_GetErrorTextLength() < (int) sizeof(errorMsg))
PR_GetErrorText(errorMsg);
LOG(PR_LOG_ERROR,
("nsNativeModuleLoader::LoadModule(\"%s\") - load FAILED, "
"rv: %lx, error:\n\t%s\n",
filePath.get(), rv, errorMsg));
#ifdef DEBUG
fprintf(stderr,
"nsNativeModuleLoader::LoadModule(\"%s\") - load FAILED, "
"rv: %lx, error:\n\t%s\n",
filePath.get(), (unsigned long)rv, errorMsg);
#endif
return NULL;
}
#ifdef IMPLEMENT_BREAK_AFTER_LOAD
nsCAutoString leafName;
aFile->GetNativeLeafName(leafName);
char *env = getenv("XPCOM_BREAK_ON_LOAD");
char *blist;
if (env && *env && (blist = strdup(env))) {
char *nextTok = blist;
while (char *token = NS_strtok(":", &nextTok)) {
if (leafName.Find(token, PR_TRUE) != kNotFound) {
NS_BREAK();
}
}
free(blist);
}
#endif
void *module = PR_FindSymbol(data.library, "NSModule");
if (module) {
data.module = *(mozilla::Module const *const *) module;
if (mLibraries.Put(hashedFile, data))
return data.module;
}
else {
LOG(PR_LOG_ERROR,
("nsNativeModuleLoader::LoadModule(\"%s\") - "
"Symbol NSModule not found", filePath.get()));
}
// at some point we failed, clean up
data.module = nsnull;
PR_UnloadLibrary(data.library);
return NULL;
}
ErrorString::ErrorString() : code(PR_GetError()), buffer(new char[PR_GetErrorTextLength()]), used(PR_GetErrorText(buffer)) {}
/****************************************************************
*
* J z i p A d d
*
* Adds a new file into a ZIP file. The ZIP file must have already
* been opened with JzipOpen.
*/
int
JzipAdd(char *fullname, char *filename, ZIPfile *zipfile, int compression_level)
{
ZIPentry *entry;
PRFileDesc *readfp;
PRFileDesc *zipfp;
unsigned long crc;
unsigned long local_size_pos;
int num;
int err;
int deflate_percent;
z_stream zstream;
Bytef inbuf[BUFSIZ];
Bytef outbuf[BUFSIZ];
if (!fullname || !filename || !zipfile) {
return -1;
}
zipfp = zipfile->fp;
if (!zipfp)
return -1;
if ((readfp = PR_Open(fullname, PR_RDONLY, 0777)) == NULL) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "%s: %s\n", fullname, nsprErr ? nsprErr : "");
errorCount++;
if (nsprErr)
PR_Free(nsprErr);
exit(ERRX);
}
/*
* Make sure the input file is not the output file.
* Add a few bytes to the end of the JAR file and see if the input file
* twitches
*/
{
PRInt32 endOfJar;
PRInt32 inputSize;
PRBool isSame;
inputSize = PR_Available(readfp);
endOfJar = PR_Seek(zipfp, 0L, PR_SEEK_CUR);
if (PR_Write(zipfp, "abcde", 5) < 5) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Writing to zip file: %s\n",
nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
isSame = (PR_Available(readfp) != inputSize);
PR_Seek(zipfp, endOfJar, PR_SEEK_SET);
if (isSame) {
/* It's the same file! Forget it! */
PR_Close(readfp);
return 0;
}
}
if (verbosity >= 0) {
PR_fprintf(outputFD, "adding %s to %s...", fullname, zipfile->filename);
}
entry = PORT_ZAlloc(sizeof(ZIPentry));
if (!entry)
out_of_memory();
entry->filename = PORT_Strdup(filename);
entry->comment = NULL;
/* Set up local file header */
longtox(LSIG, entry->local.signature);
inttox(strlen(filename), entry->local.filename_len);
inttox(zipfile->time, entry->local.time);
inttox(zipfile->date, entry->local.date);
inttox(Z_DEFLATED, entry->local.method);
/* Set up central directory entry */
longtox(CSIG, entry->central.signature);
inttox(strlen(filename), entry->central.filename_len);
if (entry->comment) {
inttox(strlen(entry->comment), entry->central.commentfield_len);
}
longtox(PR_Seek(zipfile->fp, 0, PR_SEEK_CUR),
entry->central.localhdr_offset);
inttox(zipfile->time, entry->central.time);
inttox(zipfile->date, entry->central.date);
inttox(Z_DEFLATED, entry->central.method);
/* Compute crc. Too bad we have to process the whole file to do this*/
crc = crc32(0L, NULL, 0);
while ((num = PR_Read(readfp, inbuf, BUFSIZ)) > 0) {
crc = crc32(crc, inbuf, num);
}
PR_Seek(readfp, 0L, PR_SEEK_SET);
/* Store CRC */
longtox(crc, entry->local.crc32);
longtox(crc, entry->central.crc32);
/* Stick this entry onto the end of the list */
entry->next = NULL;
if (zipfile->list == NULL) {
/* First entry */
zipfile->list = entry;
} else {
ZIPentry *pe;
pe = zipfile->list;
while (pe->next != NULL) {
pe = pe->next;
}
pe->next = entry;
}
/*
* Start writing stuff out
*/
local_size_pos = PR_Seek(zipfp, 0, PR_SEEK_CUR) + 18;
/* File header */
if (PR_Write(zipfp, &entry->local, sizeof(struct ZipLocal)) <
sizeof(struct ZipLocal)) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Writing zip data: %s\n", nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
/* File Name */
if (PR_Write(zipfp, filename, strlen(filename)) < strlen(filename)) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Writing zip data: %s\n", nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
/*
* File data
*/
/* Initialize zstream */
zstream.zalloc = my_alloc_func;
zstream.zfree = my_free_func;
zstream.opaque = NULL;
zstream.next_in = inbuf;
zstream.avail_in = BUFSIZ;
zstream.next_out = outbuf;
zstream.avail_out = BUFSIZ;
/* Setting the windowBits to -MAX_WBITS is an undocumented feature of
* zlib (see deflate.c in zlib). It is the same thing that Java does
* when you specify the nowrap option for deflation in java.util.zip.
* It causes zlib to leave out its headers and footers, which don't
* work in PKZIP files.
*/
err = deflateInit2(&zstream, compression_level, Z_DEFLATED,
-MAX_WBITS, 8 /*default*/, Z_DEFAULT_STRATEGY);
if (err != Z_OK) {
handle_zerror(err, zstream.msg);
exit(ERRX);
}
while ((zstream.avail_in = PR_Read(readfp, inbuf, BUFSIZ)) > 0) {
zstream.next_in = inbuf;
/* Process this chunk of data */
while (zstream.avail_in > 0) {
err = deflate(&zstream, Z_NO_FLUSH);
if (err != Z_OK) {
handle_zerror(err, zstream.msg);
exit(ERRX);
}
if (zstream.avail_out <= 0) {
if (PR_Write(zipfp, outbuf, BUFSIZ) < BUFSIZ) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Writing zip data: %s\n",
nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
zstream.next_out = outbuf;
zstream.avail_out = BUFSIZ;
}
}
}
/* Now flush everything */
while (1) {
err = deflate(&zstream, Z_FINISH);
if (err == Z_STREAM_END) {
break;
} else if (err == Z_OK) {
/* output buffer full, repeat */
} else {
handle_zerror(err, zstream.msg);
exit(ERRX);
}
if (PR_Write(zipfp, outbuf, BUFSIZ) < BUFSIZ) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Writing zip data: %s\n",
nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
zstream.avail_out = BUFSIZ;
zstream.next_out = outbuf;
}
/* If there's any output left, write it out. */
if (zstream.next_out != outbuf) {
if (PR_Write(zipfp, outbuf, zstream.next_out - outbuf) <
zstream.next_out - outbuf) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Writing zip data: %s\n",
nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
zstream.avail_out = BUFSIZ;
zstream.next_out = outbuf;
}
/* Now that we know the compressed size, write this to the headers */
longtox(zstream.total_in, entry->local.orglen);
longtox(zstream.total_out, entry->local.size);
if (PR_Seek(zipfp, local_size_pos, PR_SEEK_SET) == -1) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Accessing zip file: %s\n", nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
if (PR_Write(zipfp, entry->local.size, 8) != 8) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Writing zip data: %s\n", nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
if (PR_Seek(zipfp, 0L, PR_SEEK_END) == -1) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Accessing zip file: %s\n",
nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
longtox(zstream.total_in, entry->central.orglen);
longtox(zstream.total_out, entry->central.size);
/* Close out the deflation operation */
err = deflateEnd(&zstream);
if (err != Z_OK) {
handle_zerror(err, zstream.msg);
exit(ERRX);
}
PR_Close(readfp);
if ((zstream.total_in > zstream.total_out) && (zstream.total_in > 0)) {
deflate_percent = (int)((zstream.total_in -
zstream.total_out) *
100 / zstream.total_in);
} else {
deflate_percent = 0;
}
if (verbosity >= 0) {
PR_fprintf(outputFD, "(deflated %d%%)\n", deflate_percent);
}
return 0;
}
/********************************************************************
* J z i p C l o s e
*
* Finishes the ZipFile. ALSO DELETES THE ZIPFILE STRUCTURE PASSED IN!!
*/
int
JzipClose(ZIPfile *zipfile)
{
ZIPentry *pe, *dead;
PRFileDesc *zipfp;
struct ZipEnd zipend;
unsigned int entrycount = 0;
if (!zipfile) {
return -1;
}
if (!zipfile->filename) {
/* bogus */
return 0;
}
zipfp = zipfile->fp;
zipfile->central_start = PR_Seek(zipfp, 0L, PR_SEEK_CUR);
/* Write out all the central directories */
pe = zipfile->list;
while (pe) {
entrycount++;
/* Write central directory info */
if (PR_Write(zipfp, &pe->central, sizeof(struct ZipCentral)) <
sizeof(struct ZipCentral)) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Writing zip data: %s\n",
nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
/* Write filename */
if (PR_Write(zipfp, pe->filename, strlen(pe->filename)) <
strlen(pe->filename)) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Writing zip data: %s\n",
nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
/* Write file comment */
if (pe->comment) {
if (PR_Write(zipfp, pe->comment, strlen(pe->comment)) <
strlen(pe->comment)) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Writing zip data: %s\n",
nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
}
/* Delete the structure */
dead = pe;
pe = pe->next;
if (dead->filename) {
PORT_Free(dead->filename);
}
if (dead->comment) {
PORT_Free(dead->comment);
}
PORT_Free(dead);
}
zipfile->central_end = PR_Seek(zipfile->fp, 0L, PR_SEEK_CUR);
/* Create the ZipEnd structure */
PORT_Memset(&zipend, 0, sizeof(zipend));
longtox(ESIG, zipend.signature);
inttox(entrycount, zipend.total_entries_disk);
inttox(entrycount, zipend.total_entries_archive);
longtox(zipfile->central_end - zipfile->central_start,
zipend.central_dir_size);
longtox(zipfile->central_start, zipend.offset_central_dir);
if (zipfile->comment) {
inttox(strlen(zipfile->comment), zipend.commentfield_len);
}
/* Write out ZipEnd xtructure */
if (PR_Write(zipfp, &zipend, sizeof(zipend)) < sizeof(zipend)) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Writing zip data: %s\n",
nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
/* Write out Zipfile comment */
if (zipfile->comment) {
if (PR_Write(zipfp, zipfile->comment, strlen(zipfile->comment)) <
strlen(zipfile->comment)) {
char *nsprErr;
if (PR_GetErrorTextLength()) {
nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
PR_GetErrorText(nsprErr);
} else {
nsprErr = NULL;
}
PR_fprintf(errorFD, "Writing zip data: %s\n",
nsprErr ? nsprErr : "");
if (nsprErr)
PR_Free(nsprErr);
errorCount++;
exit(ERRX);
}
}
PR_Close(zipfp);
/* Free the memory of the zipfile structure */
if (zipfile->filename) {
PORT_Free(zipfile->filename);
}
if (zipfile->comment) {
PORT_Free(zipfile->comment);
}
PORT_Free(zipfile);
return 0;
}
const mozilla::Module*
nsNativeModuleLoader::LoadModule(nsILocalFile* aFile)
{
nsresult rv;
if (!NS_IsMainThread()) {
// If this call is off the main thread, synchronously proxy it
// to the main thread.
nsRefPtr<LoadModuleMainThreadRunnable> r = new LoadModuleMainThreadRunnable(this, aFile);
NS_DispatchToMainThread(r, NS_DISPATCH_SYNC);
return r->mResult;
}
nsCOMPtr<nsIHashable> hashedFile(do_QueryInterface(aFile));
if (!hashedFile) {
NS_ERROR("nsIFile is not nsIHashable");
return NULL;
}
nsCAutoString filePath;
aFile->GetNativePath(filePath);
NativeLoadData data;
if (mLibraries.Get(hashedFile, &data)) {
NS_ASSERTION(data.module, "Corrupt mLibraries hash");
LOG(PR_LOG_DEBUG,
("nsNativeModuleLoader::LoadModule(\"%s\") - found in cache",
filePath.get()));
return data.module;
}
// We haven't loaded this module before
rv = aFile->Load(&data.library);
if (NS_FAILED(rv)) {
char errorMsg[1024] = "<unknown; can't get error from NSPR>";
if (PR_GetErrorTextLength() < (int) sizeof(errorMsg))
PR_GetErrorText(errorMsg);
LogMessage("Failed to load native module at path '%s': (%lx) %s",
filePath.get(), rv, errorMsg);
return NULL;
}
#ifdef IMPLEMENT_BREAK_AFTER_LOAD
nsCAutoString leafName;
aFile->GetNativeLeafName(leafName);
char *env = getenv("XPCOM_BREAK_ON_LOAD");
char *blist;
if (env && *env && (blist = strdup(env))) {
char *nextTok = blist;
while (char *token = NS_strtok(":", &nextTok)) {
if (leafName.Find(token, true) != kNotFound) {
NS_BREAK();
}
}
free(blist);
}
#endif
void *module = PR_FindSymbol(data.library, "NSModule");
if (!module) {
LogMessage("Native module at path '%s' doesn't export symbol `NSModule`.",
filePath.get());
PR_UnloadLibrary(data.library);
return NULL;
}
data.module = *(mozilla::Module const *const *) module;
if (mozilla::Module::kVersion != data.module->mVersion) {
LogMessage("Native module at path '%s' is incompatible with this version of Firefox, has version %i, expected %i.",
filePath.get(), data.module->mVersion,
mozilla::Module::kVersion);
PR_UnloadLibrary(data.library);
return NULL;
}
mLibraries.Put(hashedFile, data); // infallible
return data.module;
}
JSBool
__Core_include (JSContext* cx, std::string path)
{
if (__Core_isIncluded(path)) {
#ifdef DEBUG
std::cerr << "(already included) " << path << "." << std::endl;
#endif
return JS_TRUE;
}
if (path.substr(path.length()-3) == ".js") {
struct stat pathStat;
if (stat(path.c_str(), &pathStat) == -1) {
#ifdef DEBUG
std::cerr << "(javascript) ";
#endif
std::cerr << path << " not found." << std::endl;
return JS_FALSE;
}
std::string cachePath = path + "c";
struct stat cacheStat;
if (!stat(cachePath.c_str(), &cacheStat)) {
if (cacheStat.st_mtime >= pathStat.st_mtime) {
try {
lulzJS::Script script(cx, cachePath, lulzJS::Script::Bytecode);
script.execute();
}
catch (std::exception e) { }
if (JS_IsExceptionPending(cx)) {
JS_ReportPendingException(cx);
return JS_FALSE;
}
}
}
#ifdef DEBUG
std::cerr << "(javascript) path: " << path << std::endl;
#endif
try {
lulzJS::Script script(cx, path, lulzJS::Script::Text);
script.execute();
if (JS_IsExceptionPending(cx)) {
JS_ReportPendingException(cx);
return JS_FALSE;
}
script.save(cachePath, lulzJS::Script::Bytecode);
}
catch (std::runtime_error e) {
JS_ReportPendingException(cx);
return JS_FALSE;
}
}
else if (path.substr(path.length()-3) == ".so") {
#ifdef DEBUG
std::cerr << "(object) path: " << path << std::endl;
#endif
struct stat test;
if (stat(path.c_str(), &test)) {
#ifdef DEBUG
std::cerr << "(object) ";
#endif
std::cerr << path << " not found." << std::endl;
return JS_FALSE;
}
PRLibrary* lib = PR_LoadLibrary(path.c_str());
if (!lib) {
char* error = new char[PR_GetErrorTextLength()];
PR_GetErrorText(error);
std::cerr << error << std::endl;
delete [] error;
return JS_FALSE;
}
JSBool (*exec)(JSContext*) = (JSBool (*)(JSContext*)) PR_FindSymbol(lib, "exec");
if (exec == NULL || !(*exec)(cx)) {
#ifdef DEBUG
std::cerr << "Couldn't retrieve the symbol." << std::endl;
#endif
std::cerr << "The initialization of the module failed." << std::endl;
return JS_FALSE;
}
}
else {
#ifdef DEBUG
std::cerr << "(module) path: " << path << std::endl;
#endif
struct stat test;
if (stat(path.c_str(), &test)) {
#ifdef DEBUG
std::cerr << "(module) ";
#endif
std::cerr << path << " not found." << std::endl;
return JS_FALSE;
}
if (!__Core_include(cx, path + "/init.js")) {
return JS_FALSE;
}
}
included.push_back(path);
return JS_TRUE;
}
