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[AFS]: Add security support.

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Add security support to the AFS filesystem.  Kerberos IV tickets are added as
RxRPC keys are added to the session keyring with the klog program.  open() and
other VFS operations then find this ticket with request_key() and either use
it immediately (eg: mkdir, unlink) or attach it to a file descriptor (open).

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Howells
2007-04-26 15:57:07 -07:00
committed by David S. Miller
parent 436058a49e
commit 00d3b7a453
18 changed files with 950 additions and 243 deletions
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9
fs/afs/fsclient.c
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@ -148,6 +148,7 @@ static int afs_deliver_fs_fetch_status(struct afs_call *call,
* FS.FetchStatus operation type
*/
static const struct afs_call_type afs_RXFSFetchStatus = {
.name = "FS.FetchStatus",
.deliver = afs_deliver_fs_fetch_status,
.abort_to_error = afs_abort_to_error,
.destructor = afs_flat_call_destructor,
@ -157,6 +158,7 @@ static const struct afs_call_type afs_RXFSFetchStatus = {
* fetch the status information for a file
*/
int afs_fs_fetch_file_status(struct afs_server *server,
struct key *key,
struct afs_vnode *vnode,
struct afs_volsync *volsync,
const struct afs_wait_mode *wait_mode)
@ -164,12 +166,13 @@ int afs_fs_fetch_file_status(struct afs_server *server,
struct afs_call *call;
__be32 *bp;
_enter("");
_enter(",%x,,,", key_serial(key));
call = afs_alloc_flat_call(&afs_RXFSFetchStatus, 16, 120);
if (!call)
return -ENOMEM;
call->key = key;
call->reply = vnode;
call->reply2 = volsync;
call->service_id = FS_SERVICE;
@ -279,6 +282,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call,
* FS.FetchData operation type
*/
static const struct afs_call_type afs_RXFSFetchData = {
.name = "FS.FetchData",
.deliver = afs_deliver_fs_fetch_data,
.abort_to_error = afs_abort_to_error,
.destructor = afs_flat_call_destructor,
@ -288,6 +292,7 @@ static const struct afs_call_type afs_RXFSFetchData = {
* fetch data from a file
*/
int afs_fs_fetch_data(struct afs_server *server,
struct key *key,
struct afs_vnode *vnode,
off_t offset, size_t length,
struct page *buffer,
@ -303,6 +308,7 @@ int afs_fs_fetch_data(struct afs_server *server,
if (!call)
return -ENOMEM;
call->key = key;
call->reply = vnode;
call->reply2 = volsync;
call->reply3 = buffer;
@ -338,6 +344,7 @@ static int afs_deliver_fs_give_up_callbacks(struct afs_call *call,
* FS.GiveUpCallBacks operation type
*/
static const struct afs_call_type afs_RXFSGiveUpCallBacks = {
.name = "FS.GiveUpCallBacks",
.deliver = afs_deliver_fs_give_up_callbacks,
.abort_to_error = afs_abort_to_error,
.destructor = afs_flat_call_destructor,