// For a given jobject or Metadata*, this will return the same index
// repeatedly. The index can later be given to nmethod::oop_at or
// metadata_at to retrieve the oop.
// However, the oop must not be changed via nmethod::oop_addr_at.
int find_index(T h) {
int index = maybe_find_index(h);
if (index < 0) { // previously unallocated
index = add_handle(h, true);
}
return index;
}
/* Add a point by splitting segment into two, putting the new point at
'point' or, if NULL, in the middle */
ObjectChange *
polyshape_add_point(PolyShape *poly, int segment, Point *point)
{
Point realpoint;
Handle *new_handle;
ConnectionPoint *new_cp1, *new_cp2;
if (point == NULL) {
realpoint.x = (poly->points[segment].x+poly->points[segment+1].x)/2;
realpoint.y = (poly->points[segment].y+poly->points[segment+1].y)/2;
} else {
realpoint = *point;
}
new_handle = g_new(Handle, 1);
new_cp1 = g_new0(ConnectionPoint, 1);
new_cp1->object = &poly->object;
new_cp2 = g_new0(ConnectionPoint, 1);
new_cp2->object = &poly->object;
setup_handle(new_handle);
add_handle(poly, segment+1, &realpoint, new_handle, new_cp1, new_cp2);
return polyshape_create_change(poly, TYPE_ADD_POINT,
&realpoint, segment+1, new_handle,
new_cp1, new_cp2);
}
/* Open a new handle from data that needs to be copied from memory.
src is the source buffer from which to copy data. It can be NULL to simply
reserve buffer space.
size is the requested size. The call will only be successful if the
requested amount of data can entirely fit in the buffer without wrapping.
Return value is the handle id for success or <0 for failure.
*/
int bufalloc(const void *src, size_t size, enum data_type type)
{
struct memory_handle *h = add_handle(size, false, true);
if (!h)
return ERR_BUFFER_FULL;
if (src) {
if (type == TYPE_ID3 && size == sizeof(struct mp3entry)) {
/* specially take care of struct mp3entry */
copy_mp3entry((struct mp3entry *)&buffer[buf_widx],
(const struct mp3entry *)src);
} else {
memcpy(&buffer[buf_widx], src, size);
}
}
h->fd = -1;
*h->path = 0;
h->filesize = size;
h->filerem = 0;
h->offset = 0;
h->ridx = buf_widx;
h->widx = buf_widx + size; /* this is safe because the data doesn't wrap */
h->data = buf_widx;
h->available = size;
h->type = type;
buf_widx += size; /* safe too */
logf("bufalloc: new hdl %d", h->id);
return h->id;
}
kqt_Handle kqt_new_Handle(void)
{
Handle* handle = memory_alloc_item(Handle);
if (handle == NULL)
{
Handle_set_error(0, ERROR_MEMORY, "Couldn't allocate memory");
return 0;
}
if (!Handle_init(handle))
{
memory_free(handle);
return 0;
}
kqt_Handle id = add_handle(handle);
if (id == 0)
{
Handle_deinit(handle);
memory_free(handle);
return 0;
}
return id;
}
static struct frame *get_frame(uint16_t handle)
{
register handle_info *t = handle_table;
register int i;
for (i = 0; i < HANDLE_TABLE_SIZE; i++)
if (t[i].handle == handle)
return &t[i].frm;
return add_handle(handle);
}
static void
polyconn_change_apply(struct PointChange *change, DiaObject *obj)
{
change->applied = 1;
switch (change->type) {
case TYPE_ADD_POINT:
add_handle((PolyConn *)obj, change->pos, &change->point,
change->handle);
break;
case TYPE_REMOVE_POINT:
object_unconnect(obj, change->handle);
remove_handle((PolyConn *)obj, change->pos);
break;
}
}
void cmdserver::read_handle(
const boost::system::error_code& ec,
std::size_t bytes_read)
{
std::cout << "Unix read handle. Bytes read: " << bytes_read << std::endl;
if (!ec) {
if (bytes_read == sizeof(cmd::cmd)) {
std::cout << "Looks like a command packet" << std::endl;
process_command();
}
add_handle();
} else {
std::cout << "There was an error" << std::endl;
}
}
int mql_begin_transaction(char *name)
{
mqi_handle_t h;
MDB_CHECKARG(name, -1);
if ((h = mqi_begin_transaction()) == MQI_HANDLE_INVALID)
return -1;
if (add_handle(name, h) < 0) {
mqi_rollback_transaction(h);
return -1;
}
return 0;
}
static void
polyconn_change_revert(struct PointChange *change, DiaObject *obj)
{
switch (change->type) {
case TYPE_ADD_POINT:
remove_handle((PolyConn *)obj, change->pos);
break;
case TYPE_REMOVE_POINT:
add_handle((PolyConn *)obj, change->pos, &change->point,
change->handle);
if (change->connected_to) {
object_connect(obj, change->handle, change->connected_to);
}
break;
}
change->applied = 0;
}
cmdserver::cmdserver(
boost::asio::io_service& io_service,
std::function<void(commonserver::toptype, const size_t, std::vector<std::string>&)> get_top
)
:
m_get_top(get_top)
{
::unlink(socket_path.c_str());
std::shared_ptr<boost::asio::local::datagram_protocol::socket> socket(
new boost::asio::local::datagram_protocol::socket(
io_service,
boost::asio::local::datagram_protocol::endpoint(socket_path)
)
);
m_socket = socket;
m_buffer.resize(buffer_size);
add_handle();
}
/* Add a point by splitting segment into two, putting the new point at
'point' or, if NULL, in the middle */
ObjectChange *
polyconn_add_point(PolyConn *poly, int segment, Point *point)
{
Point realpoint;
Handle *new_handle;
if (point == NULL) {
realpoint.x = (poly->points[segment].x+poly->points[segment+1].x)/2;
realpoint.y = (poly->points[segment].y+poly->points[segment+1].y)/2;
} else {
realpoint = *point;
}
new_handle = g_malloc(sizeof(Handle));
setup_handle(new_handle, PC_HANDLE_CORNER);
add_handle(poly, segment+1, &realpoint, new_handle);
return polyconn_create_change(poly, TYPE_ADD_POINT,
&realpoint, segment+1, new_handle,
NULL);
}
static int32_t
acquire_cred(struct client *c,
krb5_principal principal,
krb5_get_init_creds_opt *opt,
int32_t *handle)
{
krb5_error_code ret;
krb5_creds cred;
krb5_ccache id;
gss_cred_id_t gcred;
OM_uint32 maj_stat, min_stat;
*handle = 0;
krb5_get_init_creds_opt_set_forwardable (opt, 1);
krb5_get_init_creds_opt_set_renew_life (opt, 3600 * 24 * 30);
memset(&cred, 0, sizeof(cred));
ret = krb5_get_init_creds_password (context,
&cred,
principal,
NULL,
NULL,
NULL,
0,
NULL,
opt);
if (ret) {
logmessage(c, __FILE__, __LINE__, 0,
"krb5_get_init_creds failed: %d", ret);
return convert_krb5_to_gsm(ret);
}
ret = krb5_cc_new_unique(context, "MEMORY", NULL, &id);
if (ret)
krb5_err (context, 1, ret, "krb5_cc_initialize");
ret = krb5_cc_initialize (context, id, cred.client);
if (ret)
krb5_err (context, 1, ret, "krb5_cc_initialize");
ret = krb5_cc_store_cred (context, id, &cred);
if (ret)
krb5_err (context, 1, ret, "krb5_cc_store_cred");
krb5_free_cred_contents (context, &cred);
maj_stat = gss_krb5_import_cred(&min_stat,
id,
NULL,
NULL,
&gcred);
krb5_cc_close(context, id);
if (maj_stat) {
logmessage(c, __FILE__, __LINE__, 0,
"krb5 import creds failed with: %d", maj_stat);
return convert_gss_to_gsm(maj_stat);
}
*handle = add_handle(c, handle_cred, gcred);
return 0;
}
// Generate a new index on which CodeBlob::oop_addr_at will work.
// allocate_index and find_index never return the same index,
// and allocate_index never returns the same index twice.
// In fact, two successive calls to allocate_index return successive ints.
int allocate_index(jobject h) {
return add_handle(h, false);
}
/* Reserve space in the buffer for a file.
filename: name of the file to open
offset: offset at which to start buffering the file, useful when the first
(offset-1) bytes of the file aren't needed.
type: one of the data types supported (audio, image, cuesheet, others
user_data: user data passed possibly passed in subcalls specific to a
data_type (only used for image (albumart) buffering so far )
return value: <0 if the file cannot be opened, or one file already
queued to be opened, otherwise the handle for the file in the buffer
*/
int bufopen(const char *file, size_t offset, enum data_type type,
void *user_data)
{
#ifndef HAVE_ALBUMART
/* currently only used for aa loading */
(void)user_data;
#endif
if (type == TYPE_ID3)
{
/* ID3 case: allocate space, init the handle and return. */
struct memory_handle *h = add_handle(sizeof(struct mp3entry), false, true);
if (!h)
return ERR_BUFFER_FULL;
h->fd = -1;
h->filesize = sizeof(struct mp3entry);
h->filerem = sizeof(struct mp3entry);
h->offset = 0;
h->data = buf_widx;
h->ridx = buf_widx;
h->widx = buf_widx;
h->available = 0;
h->type = type;
strlcpy(h->path, file, MAX_PATH);
buf_widx += sizeof(struct mp3entry); /* safe because the handle
can't wrap */
/* Inform the buffering thread that we added a handle */
LOGFQUEUE("buffering > Q_HANDLE_ADDED %d", h->id);
queue_post(&buffering_queue, Q_HANDLE_ADDED, h->id);
return h->id;
}
/* Other cases: there is a little more work. */
int fd = open(file, O_RDONLY);
if (fd < 0)
return ERR_FILE_ERROR;
size_t size = filesize(fd);
bool can_wrap = type==TYPE_PACKET_AUDIO || type==TYPE_CODEC;
size_t adjusted_offset = offset;
if (adjusted_offset > size)
adjusted_offset = 0;
/* Reserve extra space because alignment can move data forward */
size_t padded_size = STORAGE_PAD(size-adjusted_offset);
struct memory_handle *h = add_handle(padded_size, can_wrap, false);
if (!h)
{
DEBUGF("%s(): failed to add handle\n", __func__);
close(fd);
return ERR_BUFFER_FULL;
}
strlcpy(h->path, file, MAX_PATH);
h->offset = adjusted_offset;
/* Don't bother to storage align bitmaps because they are not
* loaded directly into the buffer.
*/
if (type != TYPE_BITMAP)
{
size_t alignment_pad;
/* Remember where data area starts, for use by reset_handle */
h->start = buf_widx;
/* Align to desired storage alignment */
alignment_pad = STORAGE_OVERLAP(adjusted_offset - (size_t)(&buffer[buf_widx]));
buf_widx = ringbuf_add(buf_widx, alignment_pad);
}
h->ridx = buf_widx;
h->widx = buf_widx;
h->data = buf_widx;
h->available = 0;
h->filerem = 0;
h->type = type;
#ifdef HAVE_ALBUMART
if (type == TYPE_BITMAP)
{
/* Bitmap file: we load the data instead of the file */
int rc;
mutex_lock(&llist_mod_mutex); /* Lock because load_bitmap yields */
rc = load_image(fd, file, (struct dim*)user_data);
mutex_unlock(&llist_mod_mutex);
if (rc <= 0)
{
rm_handle(h);
close(fd);
return ERR_FILE_ERROR;
}
h->filerem = 0;
h->filesize = rc;
h->available = rc;
h->widx = buf_widx + rc; /* safe because the data doesn't wrap */
buf_widx += rc; /* safe too */
}
else
#endif
{
h->filerem = size - adjusted_offset;
h->filesize = size;
h->available = 0;
h->widx = buf_widx;
}
if (type == TYPE_CUESHEET) {
h->fd = fd;
/* Immediately start buffering those */
LOGFQUEUE("buffering >| Q_BUFFER_HANDLE %d", h->id);
queue_send(&buffering_queue, Q_BUFFER_HANDLE, h->id);
} else {
/* Other types will get buffered in the course of normal operations */
h->fd = -1;
close(fd);
/* Inform the buffering thread that we added a handle */
LOGFQUEUE("buffering > Q_HANDLE_ADDED %d", h->id);
queue_post(&buffering_queue, Q_HANDLE_ADDED, h->id);
}
logf("bufopen: new hdl %d", h->id);
return h->id;
}
static int
HandleOP(InitContext)
{
OM_uint32 maj_stat, min_stat, ret_flags;
int32_t hContext, hCred, flags;
krb5_data target_name, in_token;
int32_t new_context_id = 0, gsm_error = 0;
krb5_data out_token = { 0 , NULL };
gss_ctx_id_t ctx;
gss_cred_id_t creds;
gss_name_t gss_target_name;
gss_buffer_desc input_token, output_token;
gss_OID oid = GSS_C_NO_OID;
gss_buffer_t input_token_ptr = GSS_C_NO_BUFFER;
ret32(c, hContext);
ret32(c, hCred);
ret32(c, flags);
retdata(c, target_name);
retdata(c, in_token);
logmessage(c, __FILE__, __LINE__, 0,
"targetname: <%.*s>", (int)target_name.length,
(char *)target_name.data);
ctx = find_handle(c->handles, hContext, handle_context);
if (ctx == NULL)
hContext = 0;
creds = find_handle(c->handles, hCred, handle_cred);
if (creds == NULL)
abort();
input_token.length = target_name.length;
input_token.value = target_name.data;
maj_stat = gss_import_name(&min_stat,
&input_token,
GSS_KRB5_NT_PRINCIPAL_NAME,
&gss_target_name);
if (GSS_ERROR(maj_stat)) {
logmessage(c, __FILE__, __LINE__, 0,
"import name creds failed with: %d", maj_stat);
gsm_error = convert_gss_to_gsm(maj_stat);
goto out;
}
/* oid from flags */
if (in_token.length) {
input_token.length = in_token.length;
input_token.value = in_token.data;
input_token_ptr = &input_token;
if (ctx == NULL)
krb5_errx(context, 1, "initcreds, context NULL, but not first req");
} else {
input_token.length = 0;
input_token.value = NULL;
if (ctx)
krb5_errx(context, 1, "initcreds, context not NULL, but first req");
}
if ((flags & GSS_C_DELEG_FLAG) != 0)
logmessage(c, __FILE__, __LINE__, 0, "init_sec_context delegating");
if ((flags & GSS_C_DCE_STYLE) != 0)
logmessage(c, __FILE__, __LINE__, 0, "init_sec_context dce-style");
maj_stat = gss_init_sec_context(&min_stat,
creds,
&ctx,
gss_target_name,
oid,
flags & 0x7f,
0,
NULL,
input_token_ptr,
NULL,
&output_token,
&ret_flags,
NULL);
if (GSS_ERROR(maj_stat)) {
if (hContext != 0)
del_handle(&c->handles, hContext);
new_context_id = 0;
logmessage(c, __FILE__, __LINE__, 0,
"gss_init_sec_context returns code: %d/%d",
maj_stat, min_stat);
} else {
if (input_token.length == 0)
new_context_id = add_handle(c, handle_context, ctx);
else
new_context_id = hContext;
}
gsm_error = convert_gss_to_gsm(maj_stat);
if (output_token.length) {
out_token.data = output_token.value;
out_token.length = output_token.length;
}
out:
logmessage(c, __FILE__, __LINE__, 0,
"InitContext return code: %d", gsm_error);
put32(c, new_context_id);
put32(c, gsm_error);
putdata(c, out_token);
gss_release_name(&min_stat, &gss_target_name);
if (output_token.length)
gss_release_buffer(&min_stat, &output_token);
krb5_data_free(&in_token);
krb5_data_free(&target_name);
return 0;
}
static int
HandleOP(AcceptContext)
{
OM_uint32 maj_stat, min_stat, ret_flags;
int32_t hContext, deleg_hcred, flags;
krb5_data in_token;
int32_t new_context_id = 0, gsm_error = 0;
krb5_data out_token = { 0 , NULL };
gss_ctx_id_t ctx;
gss_cred_id_t deleg_cred = GSS_C_NO_CREDENTIAL;
gss_buffer_desc input_token, output_token;
ret32(c, hContext);
ret32(c, flags);
retdata(c, in_token);
ctx = find_handle(c->handles, hContext, handle_context);
if (ctx == NULL)
hContext = 0;
if (in_token.length) {
input_token.length = in_token.length;
input_token.value = in_token.data;
} else {
input_token.length = 0;
input_token.value = NULL;
}
maj_stat = gss_accept_sec_context(&min_stat,
&ctx,
GSS_C_NO_CREDENTIAL,
&input_token,
GSS_C_NO_CHANNEL_BINDINGS,
NULL,
NULL,
&output_token,
&ret_flags,
NULL,
&deleg_cred);
if (GSS_ERROR(maj_stat)) {
if (hContext != 0)
del_handle(&c->handles, hContext);
logmessage(c, __FILE__, __LINE__, 0,
"gss_accept_sec_context returns code: %d/%d",
maj_stat, min_stat);
new_context_id = 0;
} else {
if (hContext == 0)
new_context_id = add_handle(c, handle_context, ctx);
else
new_context_id = hContext;
}
if (output_token.length) {
out_token.data = output_token.value;
out_token.length = output_token.length;
}
if ((ret_flags & GSS_C_DCE_STYLE) != 0)
logmessage(c, __FILE__, __LINE__, 0, "accept_sec_context dce-style");
if ((ret_flags & GSS_C_DELEG_FLAG) != 0) {
deleg_hcred = add_handle(c, handle_cred, deleg_cred);
logmessage(c, __FILE__, __LINE__, 0,
"accept_context delegated handle: %d", deleg_hcred);
} else {
gss_release_cred(&min_stat, &deleg_cred);
deleg_hcred = 0;
}
gsm_error = convert_gss_to_gsm(maj_stat);
put32(c, new_context_id);
put32(c, gsm_error);
putdata(c, out_token);
put32(c, deleg_hcred);
if (output_token.length)
gss_release_buffer(&min_stat, &output_token);
krb5_data_free(&in_token);
return 0;
}
// Generate a new index on which nmethod::oop_addr_at will work.
// allocate_index and find_index never return the same index,
// and allocate_index never returns the same index twice.
// In fact, two successive calls to allocate_index return successive ints.
int allocate_index(T h) {
return add_handle(h, false);
}
