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| author | Christoph Hellwig <hch@lst.de> | 2020-05-28 07:12:35 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-05-28 20:11:46 +0200 |
| commit | 298cd88a66a02c899772ffafbf648786ceb5ab95 (patch) | |
| tree | ff5a1b2e6e6c89240cd6846873e1fa54fe3de943 /Documentation/networking/rxrpc.rst | |
| parent | ipv6: add ip6_sock_set_recvpktinfo (diff) | |
| download | linux-298cd88a66a02c899772ffafbf648786ceb5ab95.tar.xz linux-298cd88a66a02c899772ffafbf648786ceb5ab95.zip | |
rxrpc: add rxrpc_sock_set_min_security_level
Add a helper to directly set the RXRPC_MIN_SECURITY_LEVEL sockopt from
kernel space without going through a fake uaccess.
Thanks to David Howells for the documentation updates.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking/rxrpc.rst')
| -rw-r--r-- | Documentation/networking/rxrpc.rst | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/Documentation/networking/rxrpc.rst b/Documentation/networking/rxrpc.rst index 5ad35113d0f4..68552b92dc44 100644 --- a/Documentation/networking/rxrpc.rst +++ b/Documentation/networking/rxrpc.rst @@ -477,7 +477,7 @@ AF_RXRPC sockets support a few socket options at the SOL_RXRPC level: Encrypted checksum plus packet padded and first eight bytes of packet encrypted - which includes the actual packet length. - (c) RXRPC_SECURITY_ENCRYPTED + (c) RXRPC_SECURITY_ENCRYPT Encrypted checksum plus entire packet padded and encrypted, including actual packet length. @@ -578,7 +578,7 @@ A client would issue an operation by: This issues a request_key() to get the key representing the security context. The minimum security level can be set:: - unsigned int sec = RXRPC_SECURITY_ENCRYPTED; + unsigned int sec = RXRPC_SECURITY_ENCRYPT; setsockopt(client, SOL_RXRPC, RXRPC_MIN_SECURITY_LEVEL, &sec, sizeof(sec)); @@ -1090,6 +1090,15 @@ The kernel interface functions are as follows: jiffies). In the event of the timeout occurring, the call will be aborted and -ETIME or -ETIMEDOUT will be returned. + (#) Apply the RXRPC_MIN_SECURITY_LEVEL sockopt to a socket from within in the + kernel:: + + int rxrpc_sock_set_min_security_level(struct sock *sk, + unsigned int val); + + This specifies the minimum security level required for calls on this + socket. + Configurable Parameters ======================= |