static int fill_create_process_event( struct debug_event *event, const void *arg )
{
struct process *debugger = event->debugger->process;
struct thread *thread = event->sender;
struct process *process = thread->process;
struct process_dll *exe_module = get_process_exe_module( process );
const client_ptr_t *entry = arg;
obj_handle_t handle;
/* documented: PROCESS_VM_READ | PROCESS_VM_WRITE */
if (!(handle = alloc_handle( debugger, process, PROCESS_ALL_ACCESS, 0 ))) return 0;
event->data.create_process.process = handle;
/* documented: THREAD_GET_CONTEXT | THREAD_SET_CONTEXT | THREAD_SUSPEND_RESUME */
if (!(handle = alloc_handle( debugger, thread, THREAD_ALL_ACCESS, 0 )))
{
close_handle( debugger, event->data.create_process.process );
return 0;
}
event->data.create_process.thread = handle;
event->data.create_process.file = 0;
event->data.create_process.teb = thread->teb;
event->data.create_process.base = exe_module->base;
event->data.create_process.start = *entry;
event->data.create_process.dbg_offset = exe_module->dbg_offset;
event->data.create_process.dbg_size = exe_module->dbg_size;
event->data.create_process.name = exe_module->name;
event->data.create_process.unicode = 1;
if (exe_module->mapping) /* the doc says write access too, but this doesn't seem a good idea */
event->data.create_process.file = open_mapping_file( debugger, exe_module->mapping, GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE );
return 1;
}
Registration::Registration()
: _handle(alloc_handle()),
_default_eid(core::BundleCore::local), _no_more_bundles(false),
_persistent(false), _detached(false), _expiry(0), _filter_fragments(true)
{
_default_eid.setApplication(_handle);
}
/******************************************************************************
* new_object
*
* Allocates a new object of size cbSize on the current process's heap.
* Initializes the object header using the destructor and dwType params.
* Allocates a handle to the object in the handle table pointed to by lpTable.
* Returns a pointer to the created object in ppObject.
* Returns a handle to the created object.
*
* PARAMS
* lpTable [I] Pointer to the handle table, from which a handle is to be
* allocated.
* cbSize [I] Size of the object to be allocated in bytes.
* dwType [I] Object type; will be copied to the object header.
* destructor [I] Function pointer to a destructor function. Will be called
* once the object's reference count gets zero.
* ppObject [O] Pointer to a pointer variable, where a pointer to the newly
* created object will be stored. You may set this to NULL.
*
* RETURNS
* INVALID_HANDLE_VALUE, if something went wrong.
* a handle to the new object, if successful.
*/
unsigned int new_object(HANDLETABLE *lpTable, size_t cbSize, DWORD dwType, DESTRUCTOR destructor,
OBJECTHDR **ppObject)
{
OBJECTHDR *pObject;
unsigned int hObject;
if (ppObject)
*ppObject = NULL;
pObject = HeapAlloc(GetProcessHeap(), 0, cbSize);
if (!pObject)
return (unsigned int)INVALID_HANDLE_VALUE;
pObject->dwType = dwType;
pObject->refcount = 0;
pObject->destructor = destructor;
if (!alloc_handle(lpTable, pObject, &hObject))
HeapFree(GetProcessHeap(), 0, pObject);
else
if (ppObject)
*ppObject = pObject;
return hObject;
}
/* lookup
* deprecated NULL parent && NULL path implies root handle
*/
static fsal_status_t lookup(struct fsal_obj_handle *parent,
const char *path, struct fsal_obj_handle **handle,
struct attrlist *attrs_out)
{
fsal_errors_t fsal_error = ERR_FSAL_NO_ERROR;
int retval = 0;
fsal_status_t status;
struct gpfs_fsal_obj_handle *hdl;
struct attrlist attrib;
struct gpfs_file_handle *fh = alloca(sizeof(struct gpfs_file_handle));
struct fsal_filesystem *fs;
*handle = NULL; /* poison it first */
fs = parent->fs;
if (!path)
return fsalstat(ERR_FSAL_FAULT, 0);
memset(fh, 0, sizeof(struct gpfs_file_handle));
fh->handle_size = GPFS_MAX_FH_SIZE;
if (!parent->obj_ops.handle_is(parent, DIRECTORY)) {
LogCrit(COMPONENT_FSAL,
"Parent handle is not a directory. hdl = 0x%p", parent);
return fsalstat(ERR_FSAL_NOTDIR, 0);
}
if (parent->fsal != parent->fs->fsal) {
LogDebug(COMPONENT_FSAL,
"FSAL %s operation for handle belonging to FSAL %s, return EXDEV",
parent->fsal->name, parent->fs->fsal->name);
retval = EXDEV;
goto hdlerr;
}
fsal_prepare_attrs(&attrib, ATTR_GPFS_ALLOC_HANDLE);
if (attrs_out != NULL)
attrib.mask |= attrs_out->mask;
status = GPFSFSAL_lookup(op_ctx, parent, path, &attrib, fh, &fs);
if (FSAL_IS_ERROR(status))
return status;
/* allocate an obj_handle and fill it up */
hdl = alloc_handle(fh, fs, &attrib, NULL, op_ctx->fsal_export);
if (attrs_out != NULL) {
/* Copy the attributes to caller, passing ACL ref. */
fsal_copy_attrs(attrs_out, &attrib, true);
} else {
/* Done with the attrs */
fsal_release_attrs(&attrib);
}
*handle = &hdl->obj_handle;
return fsalstat(ERR_FSAL_NO_ERROR, 0);
hdlerr:
fsal_error = posix2fsal_error(retval);
return fsalstat(fsal_error, retval);
}
TC_HANDLE_T
TC_INIT(const char *tablename)
{
TC_HANDLE_T h;
STRUCT_GETINFO info;
unsigned int i;
int tmp;
socklen_t s;
iptc_fn = TC_INIT;
if (sockfd != -1)
close(sockfd);
sockfd = socket(TC_AF, SOCK_RAW, IPPROTO_RAW);
if (sockfd < 0)
return NULL;
s = sizeof(info);
if (strlen(tablename) >= TABLE_MAXNAMELEN) {
errno = EINVAL;
return NULL;
}
strcpy(info.name, tablename);
if (getsockopt(sockfd, TC_IPPROTO, SO_GET_INFO, &info, &s) < 0)
return NULL;
if ((h = alloc_handle(info.name, info.size, info.num_entries))
== NULL)
return NULL;
/* Too hard --RR */
#if 0
sprintf(pathname, "%s/%s", IPT_LIB_DIR, info.name);
dynlib = dlopen(pathname, RTLD_NOW);
if (!dynlib) {
errno = ENOENT;
return NULL;
}
h->hooknames = dlsym(dynlib, "hooknames");
if (!h->hooknames) {
errno = ENOENT;
return NULL;
}
#else
h->hooknames = hooknames;
#endif
/* Initialize current state */
h->info = info;
h->new_number = h->info.num_entries;
for (i = 0; i < h->info.num_entries; i++)
h->counter_map[i]
= ((struct counter_map){COUNTER_MAP_NORMAL_MAP, i});
static int fill_create_thread_event( struct debug_event *event, void *arg )
{
struct process *debugger = event->debugger->process;
struct thread *thread = event->sender;
obj_handle_t handle;
/* documented: THREAD_GET_CONTEXT | THREAD_SET_CONTEXT | THREAD_SUSPEND_RESUME */
if (!(handle = alloc_handle( debugger, thread, THREAD_ALL_ACCESS, 0 ))) return 0;
event->data.info.create_thread.handle = handle;
event->data.info.create_thread.teb = thread->teb;
event->data.info.create_thread.start = arg;
return 1;
}
static fsal_status_t makenode(struct fsal_obj_handle *dir_hdl,
const char *name,
object_file_type_t nodetype, /* IN */
fsal_dev_t *dev, /* IN */
struct attrlist *attrib,
struct fsal_obj_handle **handle)
{
fsal_errors_t fsal_error = ERR_FSAL_NO_ERROR;
int retval = 0;
fsal_status_t status;
struct pt_fsal_obj_handle *hdl;
ptfsal_handle_t *dir_fh = NULL;
ptfsal_handle_t *fh = alloca(sizeof(ptfsal_handle_t));
*handle = NULL; /* poison it */
if (!dir_hdl->ops->handle_is(dir_hdl, DIRECTORY)) {
LogCrit(COMPONENT_FSAL,
"Parent handle is not a directory. hdl = 0x%p",
dir_hdl);
return fsalstat(ERR_FSAL_NOTDIR, 0);
}
memset(fh, 0, sizeof(ptfsal_handle_t));
fh->data.handle.handle_size = FSI_CCL_PERSISTENT_HANDLE_N_BYTES;
attrib->mask =
op_ctx->fsal_export->ops->fs_supported_attrs(op_ctx->fsal_export);
status =
PTFSAL_mknode(dir_hdl, name, op_ctx, attrib->mode,
nodetype, dev, fh,
attrib);
if (FSAL_IS_ERROR(status))
return status;
/* allocate an obj_handle and fill it up */
hdl = alloc_handle(fh, attrib, NULL, dir_fh, NULL,
op_ctx->fsal_export);
if (hdl == NULL) {
retval = ENOMEM;
goto nodeerr;
}
*handle = &hdl->obj_handle;
return fsalstat(ERR_FSAL_NO_ERROR, 0);
nodeerr:
fsal_error = posix2fsal_error(retval);
return fsalstat(fsal_error, retval);
}
static int fill_load_dll_event( struct debug_event *event, void *arg )
{
struct process *debugger = event->debugger->process;
struct process_dll *dll = arg;
obj_handle_t handle = 0;
if (dll->file && !(handle = alloc_handle( debugger, dll->file, GENERIC_READ, 0 )))
return 0;
event->data.info.load_dll.handle = handle;
event->data.info.load_dll.base = dll->base;
event->data.info.load_dll.dbg_offset = dll->dbg_offset;
event->data.info.load_dll.dbg_size = dll->dbg_size;
event->data.info.load_dll.name = dll->name;
event->data.info.load_dll.unicode = 1;
return 1;
}
/*
* Call this to do a TLS accept on a sockbuf.
* Everything else is the same as with tls_connect.
*/
int
ldap_pvt_tls_accept( Sockbuf *sb, void *ctx_arg )
{
int err;
tls_session *ssl = NULL;
if ( HAS_TLS( sb )) {
ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_SSL, (void *)&ssl );
} else {
ssl = alloc_handle( ctx_arg, 1 );
if ( ssl == NULL ) return -1;
#ifdef LDAP_DEBUG
ber_sockbuf_add_io( sb, &ber_sockbuf_io_debug,
LBER_SBIOD_LEVEL_TRANSPORT, (void *)"tls_" );
#endif
ber_sockbuf_add_io( sb, tls_imp->ti_sbio,
LBER_SBIOD_LEVEL_TRANSPORT, (void *)ssl );
}
err = tls_imp->ti_session_accept( ssl );
#ifdef HAVE_WINSOCK
errno = WSAGetLastError();
#endif
if ( err < 0 )
{
if ( update_flags( sb, ssl, err )) return 1;
if ( DebugTest( LDAP_DEBUG_ANY ) ) {
char buf[256], *msg;
msg = tls_imp->ti_session_errmsg( ssl, err, buf, sizeof(buf) );
Debug( LDAP_DEBUG_ANY,"TLS: can't accept: %s.\n",
msg ? msg : "(unknown)", 0, 0 );
}
ber_sockbuf_remove_io( sb, tls_imp->ti_sbio,
LBER_SBIOD_LEVEL_TRANSPORT );
#ifdef LDAP_DEBUG
ber_sockbuf_remove_io( sb, &ber_sockbuf_io_debug,
LBER_SBIOD_LEVEL_TRANSPORT );
#endif
return -1;
}
return 0;
}
/* duplicate a handle */
obj_handle_t duplicate_handle( struct process *src, obj_handle_t src_handle, struct process *dst,
unsigned int access, unsigned int attr, unsigned int options )
{
obj_handle_t res;
struct handle_entry *entry;
unsigned int src_access;
struct object *obj = get_handle_obj( src, src_handle, 0, NULL );
if (!obj) return 0;
if ((entry = get_handle( src, src_handle )))
src_access = entry->access;
else /* pseudo-handle, give it full access */
src_access = obj->ops->map_access( obj, GENERIC_ALL );
src_access &= ~RESERVED_ALL;
if (options & DUP_HANDLE_SAME_ACCESS)
access = src_access;
else
access = obj->ops->map_access( obj, access ) & ~RESERVED_ALL;
/* asking for the more access rights than src_access? */
if (access & ~src_access)
{
if (options & DUP_HANDLE_MAKE_GLOBAL)
res = alloc_global_handle( obj, access );
else
res = alloc_handle( dst, obj, access, attr );
}
else
{
if (options & DUP_HANDLE_MAKE_GLOBAL)
res = alloc_global_handle_no_access_check( obj, access );
else if ((options & DUP_HANDLE_CLOSE_SOURCE) && src == dst &&
entry && !(entry->access & RESERVED_CLOSE_PROTECT))
{
if (attr & OBJ_INHERIT) access |= RESERVED_INHERIT;
entry->access = access;
res = src_handle;
}
else
res = alloc_handle_entry( dst, obj, access, attr );
}
release_object( obj );
return res;
}
/* queue an irp to the device */
static obj_handle_t queue_irp( struct device_file *file, struct irp_call *irp,
const async_data_t *async_data, int blocking )
{
obj_handle_t handle = 0;
if (blocking && !(handle = alloc_handle( current->process, irp, SYNCHRONIZE, 0 ))) return 0;
if (!(irp->async = fd_queue_async( file->fd, async_data, ASYNC_TYPE_WAIT )))
{
if (handle) close_handle( current->process, handle );
return 0;
}
irp->user_arg = async_data->arg;
add_irp_to_queue( file, irp, current );
set_error( STATUS_PENDING );
return handle;
}
/* create
* create a regular file and set its attributes
*/
fsal_status_t create(struct fsal_obj_handle *dir_hdl,
const char *name, struct attrlist *attr_in,
struct fsal_obj_handle **handle,
struct attrlist *attrs_out)
{
struct gpfs_fsal_obj_handle *hdl;
fsal_status_t status;
/* Use a separate attrlist to getch the actual attributes into */
struct attrlist attrib;
struct gpfs_file_handle *fh = alloca(sizeof(struct gpfs_file_handle));
*handle = NULL; /* poison it */
if (!dir_hdl->obj_ops.handle_is(dir_hdl, DIRECTORY)) {
LogCrit(COMPONENT_FSAL,
"Parent handle is not a directory. hdl = 0x%p",
dir_hdl);
return fsalstat(ERR_FSAL_NOTDIR, 0);
}
memset(fh, 0, sizeof(struct gpfs_file_handle));
fh->handle_size = GPFS_MAX_FH_SIZE;
fsal_prepare_attrs(&attrib, ATTR_GPFS_ALLOC_HANDLE);
if (attrs_out != NULL)
attrib.mask |= attrs_out->mask;
status =
GPFSFSAL_create(dir_hdl, name, op_ctx, attr_in->mode, fh, &attrib);
if (FSAL_IS_ERROR(status))
return status;
/* allocate an obj_handle and fill it up */
hdl = alloc_handle(fh, dir_hdl->fs, &attrib, NULL, op_ctx->fsal_export);
if (attrs_out != NULL) {
/* Copy the attributes to caller, passing ACL ref. */
fsal_copy_attrs(attrs_out, &attrib, true);
} else {
/* Done with the attrs */
fsal_release_attrs(&attrib);
}
*handle = &hdl->obj_handle;
return fsalstat(ERR_FSAL_NO_ERROR, 0);
}
/******************************************************************************
* copy_handle
*
* Copies a handle. Increments the reference count of the object referenced
* by the handle.
*
* PARAMS
* lpTable [I] Pointer to the handle table, which holds the handle to be copied.
* handle [I] The handle to be copied.
* copy [O] Pointer to a handle variable, where the copied handle is put.
*
* RETURNS
* non zero, if successful
* zero, if not successful (invalid handle or out of memory)
*/
int copy_handle(struct handle_table *lpTable, HCRYPTKEY handle, DWORD dwType, HCRYPTKEY *copy)
{
OBJECTHDR *pObject;
int ret;
TRACE("(lpTable=%p, handle=%ld, copy=%p)\n", lpTable, handle, copy);
EnterCriticalSection(&lpTable->mutex);
if (!lookup_handle(lpTable, handle, dwType, &pObject))
{
*copy = (HCRYPTKEY)INVALID_HANDLE_VALUE;
LeaveCriticalSection(&lpTable->mutex);
return 0;
}
ret = alloc_handle(lpTable, pObject, copy);
LeaveCriticalSection(&lpTable->mutex);
return ret;
}
/******************************************************************************
* copy_handle
*
* Copies a handle. Increments the reference count of the object referenced
* by the handle.
*
* PARAMS
* lpTable [I] Pointer to the handle table, which holds the handle to be copied.
* handle [I] The handle to be copied.
* copy [O] Pointer to a handle variable, where the copied handle is put.
*
* RETURNS
* non zero, if successful
* zero, if not successful (invalid handle or out of memory)
*/
int copy_handle(HANDLETABLE *lpTable, unsigned int handle, DWORD dwType, unsigned int *copy)
{
OBJECTHDR *pObject;
int ret;
TRACE("(lpTable=%p, handle=%d, copy=%p)\n", lpTable, handle, copy);
EnterCriticalSection(&lpTable->mutex);
if (!lookup_handle(lpTable, handle, dwType, &pObject))
{
*copy = (unsigned int)INVALID_HANDLE_VALUE;
LeaveCriticalSection(&lpTable->mutex);
return 0;
}
ret = alloc_handle(lpTable, pObject, copy);
LeaveCriticalSection(&lpTable->mutex);
return ret;
}
int sqlcli( int aArg1 )
{
SQLRETURN rc;
SQLHENV env; // Environment Handle
SQLHDBC dbc; // Connection Handle
int conn_flag;
env = SQL_NULL_HENV;
dbc = SQL_NULL_HDBC;
conn_flag = 0;
/* allocate handle */
rc = alloc_handle(env, dbc);
if ( rc != SQL_SUCCESS )
{
free_handle(env, dbc, conn_flag);
exit(1);
}
/* Connect to Altibase Server */
rc = db_connect(dbc, conn_flag);
if ( rc != SQL_SUCCESS )
{
free_handle(env, dbc, conn_flag);
exit(1);
}
/* select data */
rc = execute_select(dbc);
if ( rc != SQL_SUCCESS )
{
free_handle(env, dbc, conn_flag);
exit(1);
}
/* disconnect, free handles */
free_handle(env, dbc, conn_flag);
}
static fsal_status_t pt_lookup(struct fsal_obj_handle *parent,
const char *path,
struct fsal_obj_handle **handle)
{
fsal_errors_t fsal_error = ERR_FSAL_NO_ERROR;
int retval = 0;
fsal_status_t status;
struct pt_fsal_obj_handle *hdl;
struct attrlist attrib;
ptfsal_handle_t *fh = alloca(sizeof(ptfsal_handle_t));
*handle = NULL; /* poison it first */
if (!path)
return fsalstat(ERR_FSAL_FAULT, 0);
memset(fh, 0, sizeof(ptfsal_handle_t));
fh->data.handle.handle_size = FSI_CCL_PERSISTENT_HANDLE_N_BYTES;
if (!parent->ops->handle_is(parent, DIRECTORY)) {
LogCrit(COMPONENT_FSAL,
"Parent handle is not a directory. hdl = 0x%p", parent);
return fsalstat(ERR_FSAL_NOTDIR, 0);
}
attrib.mask = parent->attributes.mask;
status = PTFSAL_lookup(op_ctx, parent, path, &attrib, fh);
if (FSAL_IS_ERROR(status))
return status;
/* allocate an obj_handle and fill it up */
hdl = alloc_handle(fh, &attrib, NULL, NULL, NULL,
op_ctx->fsal_export);
if (hdl == NULL) {
retval = ENOMEM;
goto hdlerr;
}
*handle = &hdl->obj_handle;
return fsalstat(ERR_FSAL_NO_ERROR, 0);
hdlerr:
fsal_error = posix2fsal_error(retval);
return fsalstat(fsal_error, retval);
}
static inline int make_file_safe(struct vfs_fsal_obj_handle *dir_hdl,
const struct req_op_context *opctx,
int dir_fd, const char *name, mode_t unix_mode,
uid_t user, gid_t group,
struct vfs_fsal_obj_handle **hdl)
{
int retval;
struct stat stat;
vfs_file_handle_t *fh;
vfs_alloc_handle(fh);
retval = fchownat(dir_fd, name, user, group, AT_SYMLINK_NOFOLLOW);
if (retval < 0)
goto fileerr;
/* now that it is owned properly, set accessible mode */
retval = fchmodat(dir_fd, name, unix_mode, 0);
if (retval < 0)
goto fileerr;
retval = vfs_name_to_handle(dir_fd, dir_hdl->obj_handle.fs, name, fh);
if (retval < 0)
goto fileerr;
retval = fstatat(dir_fd, name, &stat, AT_SYMLINK_NOFOLLOW);
if (retval < 0)
goto fileerr;
/* allocate an obj_handle and fill it up */
*hdl = alloc_handle(dir_fd, fh, dir_hdl->obj_handle.fs, &stat,
dir_hdl->handle, name, opctx->fsal_export);
if (*hdl == NULL)
return ENOMEM;
return 0;
fileerr:
retval = errno;
return retval;
}
static obj_handle_t device_ioctl( struct fd *fd, ioctl_code_t code, const async_data_t *async_data,
int blocking, const void *data, data_size_t size )
{
struct device *device = get_fd_user( fd );
struct ioctl_call *ioctl;
obj_handle_t handle;
if (!device->manager) /* it has been deleted */
{
set_error( STATUS_FILE_DELETED );
return 0;
}
if (!(ioctl = create_ioctl( device, code, data, size, get_reply_max_size() )))
return 0;
ioctl->thread = (struct thread *)grab_object( current );
ioctl->user_arg = async_data->arg;
if (!(handle = alloc_handle( current->process, ioctl, SYNCHRONIZE, 0 )))
{
release_object( ioctl );
return 0;
}
if (!(ioctl->async = fd_queue_async( device->fd, async_data, ASYNC_TYPE_WAIT )))
{
close_handle( current->process, handle );
release_object( ioctl );
return 0;
}
list_add_tail( &device->requests, &ioctl->dev_entry );
list_add_tail( &device->manager->requests, &ioctl->mgr_entry );
if (list_head( &device->manager->requests ) == &ioctl->mgr_entry) /* first one */
wake_up( &device->manager->obj, 0 );
/* don't release ioctl since it is now queued in the device */
set_error( STATUS_PENDING );
return handle;
}
/* open a new handle to an existing object */
obj_handle_t open_object( struct process *process, obj_handle_t parent, unsigned int access,
const struct object_ops *ops, const struct unicode_str *name,
unsigned int attributes )
{
obj_handle_t handle = 0;
struct directory *root = NULL;
struct object *obj;
if (name->len >= 65534)
{
set_error( STATUS_OBJECT_NAME_INVALID );
return 0;
}
if (parent && !(root = get_directory_obj( process, parent, 0 ))) return 0;
if ((obj = open_object_dir( root, name, attributes, ops )))
{
handle = alloc_handle( process, obj, access, attributes );
release_object( obj );
}
if (root) release_object( root );
return handle;
}
fsal_status_t vfs_open2(struct fsal_obj_handle *obj_hdl,
struct state_t *state,
fsal_openflags_t openflags,
enum fsal_create_mode createmode,
const char *name,
struct attrlist *attrib_set,
fsal_verifier_t verifier,
struct fsal_obj_handle **new_obj,
struct attrlist *attrs_out,
bool *caller_perm_check)
{
int posix_flags = 0;
int fd, dir_fd;
int retval = 0;
mode_t unix_mode;
fsal_status_t status = {0, 0};
struct vfs_fd *my_fd = NULL;
struct vfs_fsal_obj_handle *myself, *hdl = NULL;
struct stat stat;
vfs_file_handle_t *fh = NULL;
bool truncated;
bool created = false;
if (state != NULL)
my_fd = (struct vfs_fd *)(state + 1);
myself = container_of(obj_hdl, struct vfs_fsal_obj_handle, obj_handle);
LogAttrlist(COMPONENT_FSAL, NIV_FULL_DEBUG,
"attrib_set ", attrib_set, false);
fsal2posix_openflags(openflags, &posix_flags);
truncated = (posix_flags & O_TRUNC) != 0;
LogFullDebug(COMPONENT_FSAL,
truncated ? "Truncate" : "No truncate");
if (createmode >= FSAL_EXCLUSIVE) {
/* Now fixup attrs for verifier if exclusive create */
set_common_verifier(attrib_set, verifier);
}
if (name == NULL) {
/* This is an open by handle */
struct vfs_fsal_obj_handle *myself;
myself = container_of(obj_hdl,
struct vfs_fsal_obj_handle,
obj_handle);
if (obj_hdl->fsal != obj_hdl->fs->fsal) {
LogDebug(COMPONENT_FSAL,
"FSAL %s operation for handle belonging to FSAL %s, return EXDEV",
obj_hdl->fsal->name, obj_hdl->fs->fsal->name);
return fsalstat(posix2fsal_error(EXDEV), EXDEV);
}
if (state != NULL) {
/* Prepare to take the share reservation, but only if we
* are called with a valid state (if state is NULL the
* caller is a stateless create such as NFS v3 CREATE).
*/
/* This can block over an I/O operation. */
PTHREAD_RWLOCK_wrlock(&obj_hdl->lock);
/* Check share reservation conflicts. */
status = check_share_conflict(&myself->u.file.share,
openflags,
false);
if (FSAL_IS_ERROR(status)) {
PTHREAD_RWLOCK_unlock(&obj_hdl->lock);
return status;
}
/* Take the share reservation now by updating the
* counters.
*/
update_share_counters(&myself->u.file.share,
FSAL_O_CLOSED,
openflags);
PTHREAD_RWLOCK_unlock(&obj_hdl->lock);
} else {
/* We need to use the global fd to continue, and take
* the lock to protect it.
*/
my_fd = &hdl->u.file.fd;
PTHREAD_RWLOCK_wrlock(&obj_hdl->lock);
}
status = vfs_open_my_fd(myself, openflags, posix_flags, my_fd);
if (FSAL_IS_ERROR(status)) {
if (state == NULL) {
/* Release the lock taken above, and return
* since there is nothing to undo.
*/
PTHREAD_RWLOCK_unlock(&obj_hdl->lock);
return status;
} else {
/* Error - need to release the share */
goto undo_share;
}
}
if (createmode >= FSAL_EXCLUSIVE || truncated) {
/* Refresh the attributes */
struct stat stat;
retval = fstat(my_fd->fd, &stat);
if (retval == 0) {
LogFullDebug(COMPONENT_FSAL,
"New size = %" PRIx64,
stat.st_size);
} else {
if (errno == EBADF)
errno = ESTALE;
status = fsalstat(posix2fsal_error(errno),
errno);
}
/* Now check verifier for exclusive, but not for
* FSAL_EXCLUSIVE_9P.
*/
if (!FSAL_IS_ERROR(status) &&
createmode >= FSAL_EXCLUSIVE &&
createmode != FSAL_EXCLUSIVE_9P &&
!check_verifier_stat(&stat, verifier)) {
/* Verifier didn't match, return EEXIST */
status =
fsalstat(posix2fsal_error(EEXIST), EEXIST);
}
}
if (state == NULL) {
/* If no state, release the lock taken above and return
* status.
*/
PTHREAD_RWLOCK_unlock(&obj_hdl->lock);
return status;
}
if (!FSAL_IS_ERROR(status)) {
/* Return success. */
return status;
}
(void) vfs_close_my_fd(my_fd);
undo_share:
/* Can only get here with state not NULL and an error */
/* On error we need to release our share reservation
* and undo the update of the share counters.
* This can block over an I/O operation.
*/
PTHREAD_RWLOCK_wrlock(&obj_hdl->lock);
update_share_counters(&myself->u.file.share,
openflags,
FSAL_O_CLOSED);
PTHREAD_RWLOCK_unlock(&obj_hdl->lock);
return status;
}
/* In this path where we are opening by name, we can't check share
* reservation yet since we don't have an object_handle yet. If we
* indeed create the object handle (there is no race with another
* open by name), then there CAN NOT be a share conflict, otherwise
* the share conflict will be resolved when the object handles are
* merged.
*/
#ifdef ENABLE_VFS_DEBUG_ACL
if (createmode != FSAL_NO_CREATE) {
/* Need to ammend attributes for inherited ACL, these will be
* set later. We also need to test for permission to create
* since there might be an ACL.
*/
struct attrlist attrs;
fsal_accessflags_t access_type;
access_type = FSAL_MODE_MASK_SET(FSAL_W_OK) |
FSAL_ACE4_MASK_SET(FSAL_ACE_PERM_ADD_FILE);
status = obj_hdl->obj_ops.test_access(obj_hdl, access_type,
NULL, NULL, false);
if (FSAL_IS_ERROR(status))
return status;
fsal_prepare_attrs(&attrs, ATTR_ACL);
status = obj_hdl->obj_ops.getattrs(obj_hdl, &attrs);
if (FSAL_IS_ERROR(status))
return status;
status.major = fsal_inherit_acls(attrib_set, attrs.acl,
FSAL_ACE_FLAG_FILE_INHERIT);
/* Done with the attrs */
fsal_release_attrs(&attrs);
if (FSAL_IS_ERROR(status))
return status;
}
#endif /* ENABLE_VFS_DEBUG_ACL */
if (createmode != FSAL_NO_CREATE) {
/* Now add in O_CREAT and O_EXCL. */
posix_flags |= O_CREAT;
/* And if we are at least FSAL_GUARDED, do an O_EXCL create. */
if (createmode >= FSAL_GUARDED)
posix_flags |= O_EXCL;
/* Fetch the mode attribute to use in the openat system call. */
unix_mode = fsal2unix_mode(attrib_set->mode) &
~op_ctx->fsal_export->exp_ops.fs_umask(op_ctx->fsal_export);
/* Don't set the mode if we later set the attributes */
FSAL_UNSET_MASK(attrib_set->mask, ATTR_MODE);
}
if (createmode == FSAL_UNCHECKED && (attrib_set->mask != 0)) {
/* If we have FSAL_UNCHECKED and want to set more attributes
* than the mode, we attempt an O_EXCL create first, if that
* succeeds, then we will be allowed to set the additional
* attributes, otherwise, we don't know we created the file
* and this can NOT set the attributes.
*/
posix_flags |= O_EXCL;
}
dir_fd = vfs_fsal_open(myself, O_PATH | O_NOACCESS, &status.major);
if (dir_fd < 0)
return fsalstat(status.major, -dir_fd);
/** @todo: not sure what this accomplishes... */
retval = vfs_stat_by_handle(dir_fd, &stat);
if (retval < 0) {
retval = errno;
status = fsalstat(posix2fsal_error(retval), retval);
goto direrr;
}
/* Become the user because we are creating an object in this dir.
*/
if (createmode != FSAL_NO_CREATE)
fsal_set_credentials(op_ctx->creds);
if ((posix_flags & O_CREAT) != 0)
fd = openat(dir_fd, name, posix_flags, unix_mode);
else
fd = openat(dir_fd, name, posix_flags);
if (fd == -1 && errno == EEXIST && createmode == FSAL_UNCHECKED) {
/* We tried to create O_EXCL to set attributes and failed.
* Remove O_EXCL and retry. We still try O_CREAT again just in
* case file disappears out from under us.
*
* Note that because we have dropped O_EXCL, later on we will
* not assume we created the file, and thus will not set
* additional attributes. We don't need to separately track
* the condition of not wanting to set attributes.
*/
posix_flags &= ~O_EXCL;
fd = openat(dir_fd, name, posix_flags, unix_mode);
}
/* Preserve errno */
retval = errno;
/* If we were creating, restore credentials now. */
if (createmode != FSAL_NO_CREATE)
fsal_restore_ganesha_credentials();
if (fd < 0) {
status = fsalstat(posix2fsal_error(retval), retval);
goto direrr;
}
/* Remember if we were responsible for creating the file.
* Note that in an UNCHECKED retry we MIGHT have re-created the
* file and won't remember that. Oh well, so in that rare case we
* leak a partially created file if we have a subsequent error in here.
* Also notify caller to do permission check if we DID NOT create the
* file. Note it IS possible in the case of a race between an UNCHECKED
* open and an external unlink, we did create the file, but we will
* still force a permission check. Of course that permission check
* SHOULD succeed since we also won't set the mode the caller requested
* and the default file create permissions SHOULD allow the owner
* read/write.
*/
created = (posix_flags & O_EXCL) != 0;
*caller_perm_check = !created;
vfs_alloc_handle(fh);
retval = vfs_name_to_handle(dir_fd, obj_hdl->fs, name, fh);
if (retval < 0) {
retval = errno;
status = fsalstat(posix2fsal_error(retval), retval);
goto fileerr;
}
retval = fstat(fd, &stat);
if (retval < 0) {
retval = errno;
status = fsalstat(posix2fsal_error(retval), retval);
goto fileerr;
}
/* allocate an obj_handle and fill it up */
hdl = alloc_handle(dir_fd, fh, obj_hdl->fs, &stat, myself->handle, name,
op_ctx->fsal_export);
if (hdl == NULL) {
status = fsalstat(posix2fsal_error(ENOMEM), ENOMEM);
goto fileerr;
}
/* If we didn't have a state above, use the global fd. At this point,
* since we just created the global fd, no one else can have a
* reference to it, and thus we can mamnipulate unlocked which is
* handy since we can then call setattr2 which WILL take the lock
* without a double locking deadlock.
*/
if (my_fd == NULL)
my_fd = &hdl->u.file.fd;
my_fd->fd = fd;
my_fd->openflags = openflags;
*new_obj = &hdl->obj_handle;
if (created && attrib_set->mask != 0) {
/* Set attributes using our newly opened file descriptor as the
* share_fd if there are any left to set (mode and truncate
* have already been handled).
*
* Note that we only set the attributes if we were responsible
* for creating the file and we have attributes to set.
*
* Note if we have ENABLE_VFS_DEBUG_ACL an inherited ACL might
* be part of the attributes we are setting here.
*/
status = (*new_obj)->obj_ops.setattr2(*new_obj,
false,
state,
attrib_set);
if (FSAL_IS_ERROR(status)) {
/* Release the handle we just allocated. */
(*new_obj)->obj_ops.release(*new_obj);
*new_obj = NULL;
goto fileerr;
}
if (attrs_out != NULL) {
status = (*new_obj)->obj_ops.getattrs(*new_obj,
attrs_out);
if (FSAL_IS_ERROR(status) &&
(attrs_out->mask & ATTR_RDATTR_ERR) == 0) {
/* Get attributes failed and caller expected
* to get the attributes. Otherwise continue
* with attrs_out indicating ATTR_RDATTR_ERR.
*/
goto fileerr;
}
}
} else if (attrs_out != NULL) {
/* Since we haven't set any attributes other than what was set
* on create (if we even created), just use the stat results
* we used to create the fsal_obj_handle.
*/
posix2fsal_attributes(&stat, attrs_out);
/* Make sure ATTR_RDATTR_ERR is cleared on success. */
attrs_out->mask &= ~ATTR_RDATTR_ERR;
}
close(dir_fd);
if (state != NULL) {
/* Prepare to take the share reservation, but only if we are
* called with a valid state (if state is NULL the caller is
* a stateless create such as NFS v3 CREATE).
*/
/* This can block over an I/O operation. */
PTHREAD_RWLOCK_wrlock(&(*new_obj)->lock);
/* Take the share reservation now by updating the counters. */
update_share_counters(&hdl->u.file.share,
FSAL_O_CLOSED,
openflags);
PTHREAD_RWLOCK_unlock(&(*new_obj)->lock);
}
return fsalstat(ERR_FSAL_NO_ERROR, 0);
fileerr:
close(fd);
/* Delete the file if we actually created it. */
if (created)
unlinkat(dir_fd, name, 0);
direrr:
close(dir_fd);
return fsalstat(posix2fsal_error(retval), retval);
}
static fsal_status_t lookup(struct fsal_obj_handle *parent,
const char *path, struct fsal_obj_handle **handle)
{
struct vfs_fsal_obj_handle *parent_hdl, *hdl;
fsal_errors_t fsal_error = ERR_FSAL_NO_ERROR;
int retval, dirfd;
struct stat stat;
vfs_file_handle_t *fh = NULL;
vfs_alloc_handle(fh);
fsal_dev_t dev;
struct fsal_filesystem *fs;
bool xfsal = false;
*handle = NULL; /* poison it first */
parent_hdl =
container_of(parent, struct vfs_fsal_obj_handle, obj_handle);
if (!parent->obj_ops.handle_is(parent, DIRECTORY)) {
LogCrit(COMPONENT_FSAL,
"Parent handle is not a directory. hdl = 0x%p", parent);
return fsalstat(ERR_FSAL_NOTDIR, 0);
}
if (parent->fsal != parent->fs->fsal) {
LogDebug(COMPONENT_FSAL,
"FSAL %s operation for handle belonging to FSAL %s, return EXDEV",
parent->fsal->name,
parent->fs->fsal != NULL
? parent->fs->fsal->name
: "(none)");
retval = EXDEV;
goto hdlerr;
}
fs = parent->fs;
dirfd = vfs_fsal_open(parent_hdl, O_PATH | O_NOACCESS, &fsal_error);
if (dirfd < 0)
return fsalstat(fsal_error, -dirfd);
retval = fstatat(dirfd, path, &stat, AT_SYMLINK_NOFOLLOW);
if (retval < 0) {
retval = errno;
goto direrr;
}
dev = posix2fsal_devt(stat.st_dev);
if ((dev.minor != parent_hdl->dev.minor) ||
(dev.major != parent_hdl->dev.major)) {
/* XDEV */
fs = lookup_dev(&dev);
if (fs == NULL) {
LogDebug(COMPONENT_FSAL,
"Lookup of %s crosses filesystem boundary to "
"unknown file system dev=%"PRIu64".%"PRIu64,
path, dev.major, dev.minor);
retval = EXDEV;
goto direrr;
}
if (fs->fsal != parent->fsal) {
xfsal = true;
LogDebug(COMPONENT_FSAL,
"Lookup of %s crosses filesystem boundary to file system %s into FSAL %s",
path, fs->path,
fs->fsal != NULL
? fs->fsal->name
: "(none)");
} else {
LogDebug(COMPONENT_FSAL,
"Lookup of %s crosses filesystem boundary to file system %s",
path, fs->path);
}
}
if (xfsal || vfs_name_to_handle(dirfd, fs, path, fh) < 0) {
retval = errno;
if (((retval == ENOTTY) ||
(retval == EOPNOTSUPP) ||
(retval == ENOTSUP) ||
xfsal) &&
(fs != parent->fs)) {
/* Crossed device into territory not handled by
* this FSAL (XFS or VFS). Need to invent a handle.
* The made up handle will be JUST the fsid, we
* do not expect to see the handle on the wire, and
* this handle will not be valid for any form of this
* FSAL.
*/
LogDebug(COMPONENT_FSAL,
"vfs_name_to_handle %s, inventing FSAL %s handle for FSAL %s filesystem %s",
xfsal ? "skipped" : "failed",
parent->fsal->name,
fs->fsal != NULL
? fs->fsal->name
: "(none)",
path);
retval = vfs_encode_dummy_handle(fh, fs);
if (retval < 0) {
retval = errno;
goto direrr;
}
retval = 0;
} else {
/* Some other error */
goto direrr;
}
}
/* allocate an obj_handle and fill it up */
hdl = alloc_handle(dirfd, fh, fs, &stat, parent_hdl->handle, path,
op_ctx->fsal_export);
close(dirfd);
if (hdl == NULL) {
retval = ENOMEM;
goto hdlerr;
}
*handle = &hdl->obj_handle;
return fsalstat(ERR_FSAL_NO_ERROR, 0);
direrr:
close(dirfd);
hdlerr:
fsal_error = posix2fsal_error(retval);
return fsalstat(fsal_error, retval);
}
fsal_status_t vfs_create_handle(struct fsal_export *exp_hdl,
struct gsh_buffdesc *hdl_desc,
struct fsal_obj_handle **handle)
{
fsal_status_t status;
struct vfs_fsal_obj_handle *hdl;
struct stat obj_stat;
vfs_file_handle_t *fh = NULL;
fsal_errors_t fsal_error = ERR_FSAL_NO_ERROR;
int retval = 0;
int fd;
int flags = O_PATH | O_NOACCESS | O_NOFOLLOW;
struct fsal_filesystem *fs;
bool dummy;
vfs_alloc_handle(fh);
*handle = NULL; /* poison it first */
status = vfs_check_handle(exp_hdl, hdl_desc, &fs, fh, &dummy);
if (FSAL_IS_ERROR(status))
return status;
if (dummy) {
/* We don't need fd here, just stat the fs->path */
fd = -1;
retval = stat(fs->path, &obj_stat);
} else {
fd = vfs_open_by_handle(fs->private, fh, flags, &fsal_error);
if (fd < 0) {
retval = -fd;
goto errout;
}
retval = vfs_stat_by_handle(fd, fh, &obj_stat, flags);
}
/* Test the result of stat */
if (retval != 0) {
retval = errno;
LogDebug(COMPONENT_FSAL,
"%s failed with %s",
dummy ? "stat" : "vfs_stat_by_handle",
strerror(retval));
fsal_error = posix2fsal_error(retval);
if (fd >= 0)
close(fd);
goto errout;
}
hdl = alloc_handle(fd, fh, fs, &obj_stat, NULL, "", exp_hdl);
if (fd >= 0)
close(fd);
if (hdl == NULL) {
LogDebug(COMPONENT_FSAL,
"Could not allocate handle");
fsal_error = ERR_FSAL_NOMEM;
goto errout;
}
*handle = &hdl->obj_handle;
errout:
return fsalstat(fsal_error, retval);
}
static fsal_status_t makedir(struct fsal_obj_handle *dir_hdl,
const char *name, struct attrlist *attrib,
struct fsal_obj_handle **handle)
{
struct vfs_fsal_obj_handle *myself, *hdl;
int dir_fd;
struct stat stat;
mode_t unix_mode;
fsal_errors_t fsal_error = ERR_FSAL_NO_ERROR;
int retval = 0;
int flags = O_PATH | O_NOACCESS;
vfs_file_handle_t *fh = NULL;
vfs_alloc_handle(fh);
LogDebug(COMPONENT_FSAL, "create %s", name);
*handle = NULL; /* poison it */
if (!dir_hdl->obj_ops.handle_is(dir_hdl, DIRECTORY)) {
LogCrit(COMPONENT_FSAL,
"Parent handle is not a directory. hdl = 0x%p",
dir_hdl);
return fsalstat(ERR_FSAL_NOTDIR, 0);
}
myself = container_of(dir_hdl, struct vfs_fsal_obj_handle, obj_handle);
if (dir_hdl->fsal != dir_hdl->fs->fsal) {
LogDebug(COMPONENT_FSAL,
"FSAL %s operation for handle belonging to FSAL %s, return EXDEV",
dir_hdl->fsal->name,
dir_hdl->fs->fsal != NULL
? dir_hdl->fs->fsal->name
: "(none)");
retval = EXDEV;
goto hdlerr;
}
unix_mode = fsal2unix_mode(attrib->mode)
& ~op_ctx->fsal_export->exp_ops.fs_umask(op_ctx->fsal_export);
dir_fd = vfs_fsal_open(myself, flags, &fsal_error);
if (dir_fd < 0)
return fsalstat(fsal_error, -dir_fd);
retval = vfs_stat_by_handle(dir_fd, myself->handle, &stat, flags);
if (retval < 0) {
retval = errno;
goto direrr;
}
/* Become the user because we are creating an object in this dir.
*/
fsal_set_credentials(op_ctx->creds);
retval = mkdirat(dir_fd, name, unix_mode);
if (retval < 0) {
retval = errno;
fsal_restore_ganesha_credentials();
goto direrr;
}
fsal_restore_ganesha_credentials();
retval = vfs_name_to_handle(dir_fd, dir_hdl->fs, name, fh);
if (retval < 0) {
retval = errno;
goto fileerr;
}
retval = fstatat(dir_fd, name, &stat, AT_SYMLINK_NOFOLLOW);
if (retval < 0) {
retval = errno;
goto fileerr;
}
/* allocate an obj_handle and fill it up */
hdl = alloc_handle(dir_fd, fh, dir_hdl->fs, &stat,
myself->handle, name,
op_ctx->fsal_export);
if (hdl == NULL) {
retval = ENOMEM;
goto fileerr;
}
*handle = &hdl->obj_handle;
close(dir_fd);
return fsalstat(ERR_FSAL_NO_ERROR, 0);
fileerr:
unlinkat(dir_fd, name, 0);
direrr:
close(dir_fd);
hdlerr:
fsal_error = posix2fsal_error(retval);
return fsalstat(fsal_error, retval);
}
static int
ldap_int_tls_connect( LDAP *ld, LDAPConn *conn )
{
Sockbuf *sb = conn->lconn_sb;
int err;
tls_session *ssl = NULL;
if ( HAS_TLS( sb )) {
ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_SSL, (void *)&ssl );
} else {
struct ldapoptions *lo;
tls_ctx *ctx;
ctx = ld->ld_options.ldo_tls_ctx;
ssl = alloc_handle( ctx, 0 );
if ( ssl == NULL ) return -1;
#ifdef LDAP_DEBUG
ber_sockbuf_add_io( sb, &ber_sockbuf_io_debug,
LBER_SBIOD_LEVEL_TRANSPORT, (void *)"tls_" );
#endif
ber_sockbuf_add_io( sb, tls_imp->ti_sbio,
LBER_SBIOD_LEVEL_TRANSPORT, (void *)ssl );
lo = LDAP_INT_GLOBAL_OPT();
if( ctx == NULL ) {
ctx = lo->ldo_tls_ctx;
ld->ld_options.ldo_tls_ctx = ctx;
tls_ctx_ref( ctx );
}
if ( ld->ld_options.ldo_tls_connect_cb )
ld->ld_options.ldo_tls_connect_cb( ld, ssl, ctx,
ld->ld_options.ldo_tls_connect_arg );
if ( lo && lo->ldo_tls_connect_cb && lo->ldo_tls_connect_cb !=
ld->ld_options.ldo_tls_connect_cb )
lo->ldo_tls_connect_cb( ld, ssl, ctx, lo->ldo_tls_connect_arg );
}
err = tls_imp->ti_session_connect( ld, ssl );
#ifdef HAVE_WINSOCK
errno = WSAGetLastError();
#endif
if ( err < 0 )
{
char buf[256], *msg;
if ( update_flags( sb, ssl, err )) {
return 1;
}
msg = tls_imp->ti_session_errmsg( ssl, err, buf, sizeof(buf) );
if ( msg ) {
if ( ld->ld_error ) {
LDAP_FREE( ld->ld_error );
}
ld->ld_error = LDAP_STRDUP( msg );
#ifdef HAVE_EBCDIC
if ( ld->ld_error ) __etoa(ld->ld_error);
#endif
}
Debug( LDAP_DEBUG_ANY,"TLS: can't connect: %s.\n",
ld->ld_error ? ld->ld_error : "" ,0,0);
ber_sockbuf_remove_io( sb, tls_imp->ti_sbio,
LBER_SBIOD_LEVEL_TRANSPORT );
#ifdef LDAP_DEBUG
ber_sockbuf_remove_io( sb, &ber_sockbuf_io_debug,
LBER_SBIOD_LEVEL_TRANSPORT );
#endif
return -1;
}
return 0;
}
static fsal_status_t makesymlink(struct fsal_obj_handle *dir_hdl,
const char *name, const char *link_path,
struct attrlist *attrib,
struct fsal_obj_handle **handle)
{
struct vfs_fsal_obj_handle *myself, *hdl;
int dir_fd = -1;
struct stat stat;
fsal_errors_t fsal_error = ERR_FSAL_NO_ERROR;
int retval = 0;
int flags = O_PATH | O_NOACCESS;
vfs_file_handle_t *fh = NULL;
vfs_alloc_handle(fh);
LogDebug(COMPONENT_FSAL, "create %s", name);
*handle = NULL; /* poison it first */
if (!dir_hdl->obj_ops.handle_is(dir_hdl, DIRECTORY)) {
LogCrit(COMPONENT_FSAL,
"Parent handle is not a directory. hdl = 0x%p",
dir_hdl);
return fsalstat(ERR_FSAL_NOTDIR, 0);
}
myself = container_of(dir_hdl, struct vfs_fsal_obj_handle, obj_handle);
if (dir_hdl->fsal != dir_hdl->fs->fsal) {
LogDebug(COMPONENT_FSAL,
"FSAL %s operation for handle belonging to FSAL %s, return EXDEV",
dir_hdl->fsal->name,
dir_hdl->fs->fsal != NULL
? dir_hdl->fs->fsal->name
: "(none)");
retval = EXDEV;
goto hdlerr;
}
dir_fd = vfs_fsal_open(myself, flags, &fsal_error);
if (dir_fd < 0)
return fsalstat(fsal_error, -dir_fd);
flags |= O_NOFOLLOW; /* BSD needs O_NOFOLLOW for
* fhopen() of symlinks */
retval = vfs_stat_by_handle(dir_fd, myself->handle, &stat, flags);
if (retval < 0) {
retval = errno;
goto direrr;
}
/* Become the user because we are creating an object in this dir.
*/
fsal_set_credentials(op_ctx->creds);
retval = symlinkat(link_path, dir_fd, name);
if (retval < 0) {
retval = errno;
fsal_restore_ganesha_credentials();
goto direrr;
}
fsal_restore_ganesha_credentials();
retval = vfs_name_to_handle(dir_fd, dir_hdl->fs, name, fh);
if (retval < 0) {
retval = errno;
goto linkerr;
}
/* now get attributes info,
* being careful to get the link, not the target */
retval = fstatat(dir_fd, name, &stat, AT_SYMLINK_NOFOLLOW);
if (retval < 0) {
retval = errno;
goto linkerr;
}
/* allocate an obj_handle and fill it up */
hdl = alloc_handle(dir_fd, fh, dir_hdl->fs, &stat, NULL, name,
op_ctx->fsal_export);
if (hdl == NULL) {
retval = ENOMEM;
goto linkerr;
}
*handle = &hdl->obj_handle;
close(dir_fd);
return fsalstat(ERR_FSAL_NO_ERROR, 0);
linkerr:
unlinkat(dir_fd, name, 0);
direrr:
close(dir_fd);
hdlerr:
if (retval == ENOENT)
fsal_error = ERR_FSAL_STALE;
else
fsal_error = posix2fsal_error(retval);
return fsalstat(fsal_error, retval);
}
/* lookup
* deprecated NULL parent && NULL path implies root handle
*/
static fsal_status_t lustre_lookup(struct fsal_obj_handle *parent,
const char *path,
struct fsal_obj_handle **handle)
{
struct lustre_fsal_obj_handle *parent_hdl, *hdl;
fsal_errors_t fsal_error = ERR_FSAL_NO_ERROR;
int rc;
struct stat stat;
char *link_content = NULL;
struct lustre_file_handle *dir_hdl = NULL;
const char *sock_name = NULL;
ssize_t retlink;
char fidpath[MAXPATHLEN];
char link_buff[PATH_MAX+1];
struct lustre_file_handle *fh =
alloca(sizeof(struct lustre_file_handle));
struct fsal_filesystem *fs;
*handle = NULL; /* poison it first */
fs = parent->fs;
if (!path)
return fsalstat(ERR_FSAL_FAULT, 0);
memset(fh, 0, sizeof(struct lustre_file_handle));
parent_hdl =
container_of(parent, struct lustre_fsal_obj_handle, obj_handle);
if (!parent->ops->handle_is(parent, DIRECTORY)) {
LogCrit(COMPONENT_FSAL,
"Parent handle is not a directory. hdl = 0x%p", parent);
return fsalstat(ERR_FSAL_NOTDIR, 0);
}
if (parent->fsal != parent->fs->fsal) {
LogDebug(COMPONENT_FSAL,
"FSAL %s operation for handle belonging to FSAL %s, return EXDEV",
parent->fsal->name, parent->fs->fsal->name);
rc = EXDEV;
return fsalstat(posix2fsal_error(rc), rc);
}
rc = lustre_name_to_handle_at(fs->path,
parent_hdl->handle, path, fh, 0);
if (rc < 0) {
rc = errno;
fsal_error = posix2fsal_error(rc);
goto errout;
}
lustre_handle_to_path(fs->path, fh,
fidpath);
rc = lstat(fidpath, &stat);
if (rc < 0) {
rc = errno;
fsal_error = posix2fsal_error(rc);
goto errout;
}
if (S_ISLNK(stat.st_mode)) { /* I could lazy eval this... */
retlink = readlink(fidpath, link_buff, PATH_MAX);
if (retlink < 0 || retlink == PATH_MAX) {
rc = errno;
if (retlink == PATH_MAX)
rc = ENAMETOOLONG;
fsal_error = posix2fsal_error(rc);
goto errout;
}
link_buff[retlink] = '\0';
link_content = &link_buff[0];
} else if (S_ISSOCK(stat.st_mode)) {
dir_hdl = parent_hdl->handle;
sock_name = path;
}
/* allocate an obj_handle and fill it up */
hdl =
alloc_handle(fh, fs, &stat, link_content, dir_hdl, sock_name,
op_ctx->fsal_export);
if (hdl != NULL) {
*handle = &hdl->obj_handle;
} else {
fsal_error = ERR_FSAL_NOMEM;
*handle = NULL; /* poison it */
goto errout;
}
return fsalstat(ERR_FSAL_NO_ERROR, 0);
errout:
return fsalstat(fsal_error, rc);
}
static fsal_status_t lustre_makedir(struct fsal_obj_handle *dir_hdl,
const char *name, struct attrlist *attrib,
struct fsal_obj_handle **handle)
{
struct lustre_fsal_obj_handle *myself, *hdl;
char dirpath[MAXPATHLEN];
char newpath[MAXPATHLEN];
struct stat stat;
mode_t unix_mode;
fsal_errors_t fsal_error = ERR_FSAL_NO_ERROR;
int rc = 0;
struct lustre_file_handle *fh =
alloca(sizeof(struct lustre_file_handle));
*handle = NULL; /* poison it */
if (!dir_hdl->ops->handle_is(dir_hdl, DIRECTORY)) {
LogCrit(COMPONENT_FSAL,
"Parent handle is not a directory. hdl = 0x%p",
dir_hdl);
return fsalstat(ERR_FSAL_NOTDIR, 0);
}
memset(fh, 0, sizeof(struct lustre_file_handle));
myself =
container_of(dir_hdl, struct lustre_fsal_obj_handle, obj_handle);
unix_mode = fsal2unix_mode(attrib->mode)
& ~op_ctx->fsal_export->ops->fs_umask(op_ctx->fsal_export);
lustre_handle_to_path(dir_hdl->fs->path,
myself->handle, dirpath);
rc = lstat(dirpath, &stat);
if (rc < 0) {
rc = errno;
goto direrr;
}
/* create it with no access because we are root when we do this */
snprintf(newpath, MAXPATHLEN, "%s/%s", dirpath, name);
rc = CRED_WRAP(op_ctx->creds, int, mkdir, newpath, unix_mode);
if (rc < 0) {
rc = errno;
goto direrr;
}
rc =
get_stat_by_handle_at(dir_hdl->fs->path,
myself->handle, name, fh, &stat);
if (rc < 0)
goto fileerr;
/* allocate an obj_handle and fill it up */
hdl = alloc_handle(fh, dir_hdl->fs,
&stat, NULL, NULL, NULL, op_ctx->fsal_export);
if (hdl != NULL) {
*handle = &hdl->obj_handle;
} else {
fsal_error = ERR_FSAL_NOMEM;
goto errout;
}
return fsalstat(ERR_FSAL_NO_ERROR, 0);
direrr:
rc = errno;
fsal_error = posix2fsal_error(rc);
return fsalstat(fsal_error, rc);
fileerr:
fsal_error = posix2fsal_error(rc);
rmdir(newpath); /* remove the evidence on errors */
errout:
return fsalstat(fsal_error, rc);
}
static fsal_status_t lustre_makenode(struct fsal_obj_handle *dir_hdl,
const char *name,
object_file_type_t nodetype, /* IN */
fsal_dev_t *dev, /* IN */
struct attrlist *attrib,
struct fsal_obj_handle **handle)
{
struct lustre_fsal_obj_handle *myself, *hdl;
char dirpath[MAXPATHLEN];
char newpath[MAXPATHLEN];
struct stat stat;
mode_t unix_mode;
fsal_errors_t fsal_error = ERR_FSAL_NO_ERROR;
int rc = 0;
dev_t unix_dev = 0;
struct lustre_file_handle *dir_fh = NULL;
const char *sock_name = NULL;
struct lustre_file_handle *fh =
alloca(sizeof(struct lustre_file_handle));
*handle = NULL; /* poison it */
if (!dir_hdl->ops->handle_is(dir_hdl, DIRECTORY)) {
LogCrit(COMPONENT_FSAL,
"Parent handle is not a directory. hdl = 0x%p",
dir_hdl);
return fsalstat(ERR_FSAL_NOTDIR, 0);
}
memset(fh, 0, sizeof(struct lustre_file_handle));
myself =
container_of(dir_hdl, struct lustre_fsal_obj_handle, obj_handle);
unix_mode = fsal2unix_mode(attrib->mode)
& ~op_ctx->fsal_export->ops->fs_umask(op_ctx->fsal_export);
switch (nodetype) {
case BLOCK_FILE:
if (!dev) {
fsal_error = ERR_FSAL_FAULT;
goto errout;
}
unix_dev =
CRED_WRAP(op_ctx->creds, dev_t, makedev, dev->major,
dev->minor);
break;
case CHARACTER_FILE:
if (!dev) {
fsal_error = ERR_FSAL_FAULT;
goto errout;
}
unix_dev =
CRED_WRAP(op_ctx->creds, dev_t, makedev, dev->major,
dev->minor);
break;
case FIFO_FILE:
break;
case SOCKET_FILE:
dir_fh = myself->handle;
sock_name = name;
break;
default:
LogMajor(COMPONENT_FSAL, "Invalid node type in FSAL_mknode: %d",
nodetype);
fsal_error = ERR_FSAL_INVAL;
goto errout;
}
lustre_handle_to_path(dir_hdl->fs->path,
myself->handle, dirpath);
rc = lstat(dirpath, &stat);
if (rc < 0) {
rc = errno;
goto errout;
}
/* create it with no access because we are root when we do this */
snprintf(newpath, MAXPATHLEN, "%s/%s", dirpath, name);
rc =
CRED_WRAP(op_ctx->creds, int, mknod, newpath, unix_mode, unix_dev);
if (rc < 0) {
rc = errno;
goto direrr;
}
rc =
get_stat_by_handle_at(dir_hdl->fs->path,
myself->handle, name, fh, &stat);
if (rc < 0)
goto direrr;
/* allocate an obj_handle and fill it up */
hdl = alloc_handle(fh, dir_hdl->fs,
&stat, NULL, dir_fh, sock_name,
op_ctx->fsal_export);
if (hdl == NULL) {
fsal_error = ERR_FSAL_NOMEM;
goto unlinkout;
}
*handle = &hdl->obj_handle;
return fsalstat(ERR_FSAL_NO_ERROR, 0);
direrr:
fsal_error = posix2fsal_error(rc);
unlinkout:
unlink(newpath);
errout:
return fsalstat(fsal_error, rc);
}
static fsal_status_t lustre_makesymlink(struct fsal_obj_handle *dir_hdl,
const char *name, const char *link_path,
struct attrlist *attrib,
struct fsal_obj_handle **handle)
{
struct lustre_fsal_obj_handle *myself, *hdl;
char dirpath[MAXPATHLEN];
char newpath[MAXPATHLEN];
struct stat stat;
fsal_errors_t fsal_error = ERR_FSAL_NO_ERROR;
int rc = 0;
uid_t user;
gid_t group;
struct lustre_file_handle *fh =
alloca(sizeof(struct lustre_file_handle));
*handle = NULL; /* poison it first */
if (!dir_hdl->ops->handle_is(dir_hdl, DIRECTORY)) {
LogCrit(COMPONENT_FSAL,
"Parent handle is not a directory. hdl = 0x%p",
dir_hdl);
return fsalstat(ERR_FSAL_NOTDIR, 0);
}
memset(fh, 0, sizeof(struct lustre_file_handle));
myself =
container_of(dir_hdl, struct lustre_fsal_obj_handle, obj_handle);
user = attrib->owner;
group = attrib->group;
lustre_handle_to_path(dir_hdl->fs->path,
myself->handle, dirpath);
rc = lstat(dirpath, &stat);
if (rc < 0)
goto direrr;
if (stat.st_mode & S_ISGID) {
/*setgid bit on dir propagates dir group owner */
group = -1;
}
/* create it with no access because we are root when we do this */
snprintf(newpath, MAXPATHLEN, "%s/%s", dirpath, name);
rc = CRED_WRAP(op_ctx->creds, int, symlink, link_path, newpath);
if (rc < 0)
goto direrr;
/* do this all by hand because we can't use fchmodat on symlinks...
*/
rc = lchown(newpath, user, group);
if (rc < 0)
goto linkerr;
rc =
lustre_name_to_handle_at(dir_hdl->fs->path,
myself->handle, name, fh, 0);
if (rc < 0)
goto linkerr;
/* now get attributes info, being careful
* to get the link, not the target */
rc = lstat(newpath, &stat);
if (rc < 0)
goto linkerr;
/* allocate an obj_handle and fill it up */
hdl = alloc_handle(fh, dir_hdl->fs,
&stat, link_path, NULL, NULL,
op_ctx->fsal_export);
if (hdl == NULL) {
rc = ENOMEM;
goto errout;
}
*handle = &hdl->obj_handle;
return fsalstat(ERR_FSAL_NO_ERROR, 0);
linkerr:
rc = errno;
unlink(newpath);
goto errout;
direrr:
rc = errno;
errout:
if (rc == ENOENT)
fsal_error = ERR_FSAL_STALE;
else
fsal_error = posix2fsal_error(rc);
return fsalstat(fsal_error, rc);
}
static long stm_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
#endif
{
struct stm_v4l2_handles *handle = file->private_data;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
unsigned int minor = iminor(inode);
#else
unsigned minor = iminor(file->f_dentry->d_inode);
#endif
int ret = 0;
int type = -1,index = -1;
int n;
switch (cmd)
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30)
case VIDIOC_RESERVED: //_IO ('V', 1)
case VIDIOC_G_MPEGCOMP: //_IOR ('V', 6, struct v4l2_mpeg_compression)
case VIDIOC_S_MPEGCOMP: //_IOW ('V', 7, struct v4l2_mpeg_compression)
case VIDIOC_G_PRIORITY: //_IOR ('V', 67, enum v4l2_priority)
case VIDIOC_S_PRIORITY: //_IOW ('V', 68, enum v4l2_priority)
case VIDIOC_G_SLICED_VBI_CAP: //_IOR ('V', 69, struct v4l2_sliced_vbi_cap)
case VIDIOC_G_MODULATOR: //_IOWR ('V', 54, struct v4l2_modulator)
case VIDIOC_S_MODULATOR: //_IOW ('V', 55, struct v4l2_modulator)
case VIDIOC_G_FREQUENCY: //_IOWR ('V', 56, struct v4l2_frequency)
case VIDIOC_S_FREQUENCY: //_IOW ('V', 57, struct v4l2_frequency)
case VIDIOC_G_TUNER: //_IOWR ('V', 29, struct v4l2_tuner)
case VIDIOC_S_TUNER: //_IOW ('V', 30, struct v4l2_tuner)
case VIDIOC_G_JPEGCOMP: //_IOR ('V', 61, struct v4l2_jpegcompression)
case VIDIOC_S_JPEGCOMP: //_IOW ('V', 62, struct v4l2_jpegcompression)
default:
debug_msg("IOCTL is not implemented\n");
ret = -ENODEV;// TIMPLEMENTED;
break;
#endif
// video ioctls
case VIDIOC_QUERYCAP: //_IOR ('V', 0, struct v4l2_capability)
{
struct v4l2_capability *b = arg;
//debug_msg("v4l2_ioctl - VIDIOC_QUERYCAP\n");
strcpy(b->driver, "stm_v4l2");
strcpy(b->card, "STMicroelectronics CE Device");
strcpy(b->bus_info,"");
b->version = LINUX_VERSION_CODE;
b->capabilities = V4L2_CAP_VIDEO_OVERLAY | V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING;
return 0;
}
// audio input ioctls
case VIDIOC_G_AUDIO: //_IOR ('V', 33, struct v4l2_audio)
case VIDIOC_S_AUDIO: //_IOW ('V', 34, struct v4l2_audio)
case VIDIOC_ENUMAUDIO: //_IOWR ('V', 65, struct v4l2_audio)
{
struct v4l2_audio *audio = arg;
type = STM_V4L2_AUDIO_INPUT;
if (audio) index = audio->index;
else ret = -EINVAL;
}
break;
// audio output ioctls
case VIDIOC_ENUMAUDOUT: //_IOWR ('V', 66, struct v4l2_audioout)
case VIDIOC_G_AUDOUT: //_IOR ('V', 49, struct v4l2_audioout)
case VIDIOC_S_AUDOUT: //_IOW ('V', 50, struct v4l2_audioout)
{
struct v4l2_audio *audio = arg;
type = STM_V4L2_AUDIO_OUTPUT;
if (audio) index = audio->index;
else ret = -EINVAL;
}
break;
// video input ioctls
case VIDIOC_ENUMINPUT: //_IOWR ('V', 26, struct v4l2_input)
{
struct v4l2_input *input = arg;
type = STM_V4L2_VIDEO_INPUT;
if (input) index = input->index;
else ret = -EINVAL;
}
break;
case VIDIOC_G_INPUT: //_IOR ('V', 38, int)
case VIDIOC_S_INPUT: //_IOWR ('V', 39, int)
{
int *input = arg;
type = STM_V4L2_VIDEO_INPUT;
if (arg) index = *input;
else ret = -EINVAL;
}
break;
case VIDIOC_G_FBUF: //_IOR ('V', 10, struct v4l2_framebuffer)
case VIDIOC_S_FBUF: //_IOW ('V', 11, struct v4l2_framebuffer)
case VIDIOC_OVERLAY: //_IOW ('V', 14, int)
type = STM_V4L2_VIDEO_INPUT;
break;
// these are for inputs only, read the spec...
case VIDIOC_G_STD: //_IOR ('V', 23, v4l2_std_id)
case VIDIOC_S_STD: //_IOW ('V', 24, v4l2_std_id)
type = STM_V4L2_VIDEO_INPUT;
break;
// video output ioctls
case VIDIOC_G_OUTPUT: //_IOR ('V', 46, int)
case VIDIOC_S_OUTPUT: //_IOWR ('V', 47, int)
{
int *input = arg;
type = STM_V4L2_VIDEO_OUTPUT;
if (arg) index = *input;
else ret = -EINVAL;
}
break;
case VIDIOC_ENUMOUTPUT: //_IOWR ('V', 48, struct v4l2_output)
{
struct v4l2_output *output = arg;
type = STM_V4L2_VIDEO_OUTPUT;
if (output) index = output->index;
else ret = -EINVAL;
}
break;
case VIDIOC_G_FMT: //_IOWR ('V', 4, struct v4l2_format)
case VIDIOC_S_FMT: //_IOWR ('V', 5, struct v4l2_format)
case VIDIOC_TRY_FMT: //_IOWR ('V', 64, struct v4l2_format)
{
struct v4l2_format *format = arg;
if (format) {
if (format->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
type = STM_V4L2_VIDEO_OUTPUT;
else
type = STM_V4L2_VIDEO_INPUT;
} else ret = -EINVAL;
}
break;
// this needs to be generic, and probably a way to allocate from video or system memory
// remember buffers can be allocated for input or output, for the moment we will pass to the driver
case VIDIOC_REQBUFS: //_IOWR ('V', 8, struct v4l2_requestbuffers)
{
struct v4l2_requestbuffers *rb = arg;
if (rb) {
if (rb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
type = STM_V4L2_VIDEO_OUTPUT;
else
type = STM_V4L2_VIDEO_INPUT;
} else ret = -EINVAL;
}
break;
case VIDIOC_QUERYBUF: //_IOWR ('V', 9, struct v4l2_buffer)
case VIDIOC_QBUF: //_IOWR ('V', 15, struct v4l2_buffer)
case VIDIOC_DQBUF: //_IOWR ('V', 17, struct v4l2_buffer)
{
struct v4l2_buffer *buffer = arg;
if (buffer) {
if (buffer->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
type = STM_V4L2_VIDEO_OUTPUT;
else
type = STM_V4L2_VIDEO_INPUT;
} else ret = -EINVAL;
}
break;
case VIDIOC_G_PARM: //_IOWR ('V', 21, struct v4l2_streamparm)
case VIDIOC_S_PARM: //_IOWR ('V', 22, struct v4l2_streamparm)
{
struct v4l2_streamparm *param = arg;
if (param) {
if (param->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
type = STM_V4L2_VIDEO_OUTPUT;
else
type = STM_V4L2_VIDEO_INPUT;
} else ret = -EINVAL;
}
break;
case VIDIOC_CROPCAP: //_IOWR ('V', 58, struct v4l2_cropcap)
{
struct v4l2_cropcap *cropcap = arg;
if (cropcap) {
if (cropcap->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
type = STM_V4L2_VIDEO_OUTPUT;
else
type = STM_V4L2_VIDEO_INPUT;
} else ret = -EINVAL;
}
break;
case VIDIOC_G_CROP: //_IOWR ('V', 59, struct v4l2_crop)
case VIDIOC_S_CROP: //_IOW ('V', 60, struct v4l2_crop)
{
struct v4l2_crop *crop = arg;
if (crop) {
// what should we do about BUF_TYPE_PRIVATE
if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT || crop->type == V4L2_BUF_TYPE_PRIVATE)
type = STM_V4L2_VIDEO_OUTPUT;
else
type = STM_V4L2_VIDEO_INPUT;
} else ret = -EINVAL;
}
break;
// can be input or output but why not audio?????
case VIDIOC_STREAMON: //_IOW ('V', 18, int)
case VIDIOC_STREAMOFF: //_IOW ('V', 19, int)
{
int *v4ltype = arg;
if (v4ltype) {
if (*v4ltype == V4L2_BUF_TYPE_VIDEO_OUTPUT)
type = STM_V4L2_VIDEO_OUTPUT;
else
type = STM_V4L2_VIDEO_INPUT;
} else ret = -EINVAL;
}
break;
// Driver independent
// however we need to get the correct ones
case VIDIOC_ENUM_FMT: //_IOWR ('V', 2, struct v4l2_fmtdesc)
{
struct v4l2_fmtdesc *crop = arg;
if (crop) {
if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
type = STM_V4L2_VIDEO_OUTPUT;
else
type = STM_V4L2_VIDEO_INPUT;
} else ret = -EINVAL;
}
break;
// These should be driver independent the stmvout modules does not
// comply with the spec...
case VIDIOC_ENUMSTD: //_IOWR ('V', 25, struct v4l2_standard)
case VIDIOC_QUERYSTD: //_IOR ('V', 63, v4l2_std_id)
type = STM_V4L2_VIDEO_OUTPUT;
break;
// control ioctls
case VIDIOC_G_CTRL: //_IOWR ('V', 27, struct v4l2_control)
case VIDIOC_S_CTRL: //_IOWR ('V', 28, struct v4l2_control)
case VIDIOC_QUERYCTRL: //_IOWR ('V', 36, struct v4l2_queryctrl)
case VIDIOC_QUERYMENU: //_IOWR ('V', 37, struct v4l2_querymenu)
{ // cheat a little we know id is always first one
struct v4l2_control *control = arg;
if (arg) index = control->id;
else ret = -EINVAL;
type = STM_V4L2_VIDEO_INPUT;
}
break;
};
// Cool now we have all the information we need.
// first if we got an error lets just return that
if (ret) return ret;
// If it is a control let's deal with that
if (type==STM_V4L2_MAX_TYPES) {
for (n=0;n<number_drivers;n++)
if (index >= drivers[n].control_start_index[minor] && index < (drivers[n].control_start_index[minor] + drivers[n].number_controls[minor]))
{
struct v4l2_control *control = arg;
control->id -= drivers[n].control_start_index[minor];
ret = drivers[n].ioctl(handle,&drivers[n],minor,drivers[n].type,file,cmd,arg);
control->id += drivers[n].control_start_index[minor];
return ret;
}
return -EINVAL;
}
// if no handle, then we need to get one
// or there would be no handle for a specified type
if (!handle || (handle && type != -1 && handle->v4l2type[type].driver == NULL)) {
if (!handle) handle = alloc_handle();
for (n=0;n<number_drivers;n++) {
if (type == -1 || type == drivers[n].type) {
ret = drivers[n].ioctl(handle,&drivers[n],minor,drivers[n].type,file,cmd,arg);
if (handle->v4l2type[drivers[n].type].handle) {
if (ret) printk("%s: BUG ON... can't set a handle and return an error\n",__FUNCTION__);
handle->v4l2type[drivers[n].type].driver = &drivers[n];
handle->device = minor;
printk("%s: Assigning handle %x to device %d\n",__FUNCTION__,(unsigned int)handle,minor);
file->private_data = handle;
return ret;
}
// Not sure if this is safe but if the driver didn't return a problem then assume
// it was an enum or something that didn't need to be associated (allocated is too strong a word)
if (!ret) {
if (!file->private_data) memset(handle,0,sizeof(struct stm_v4l2_handles));
return ret;
}
}
}
// Nothing worked so clear the handle and go again
if (!file->private_data) memset(handle,0,sizeof(struct stm_v4l2_handles));
return -ENODEV;
}
// Ok if type != -1 and handle[type].driver->ioctl and handle[type].handle, just call it
if (type != -1)
{
if (handle->v4l2type[type].driver)
{
return handle->v4l2type[type].driver->ioctl(handle,handle->v4l2type[type].driver,minor,type,file,cmd,arg);
}
else
{
return -ENODEV;
}
}
for (n=0;n<STM_V4L2_MAX_TYPES;n++)
if (handle->v4l2type[n].driver)
if (!handle->v4l2type[n].driver->ioctl(handle,handle->v4l2type[n].driver,minor,n,file,cmd,arg))
return 0;
return -ENODEV;
}