From a1c9af4d4467354132417c2d8db10d6e928a7f77 Mon Sep 17 00:00:00 2001 From: David Howells Date: Tue, 30 Jan 2024 08:24:58 +0000 Subject: rxrpc: Don't pick values out of the wire header when setting up security Don't pick values out of the wire header in rxkad when setting up DATA packet security, but rather use other sources. This makes it easier to get rid of txb->wire. Signed-off-by: David Howells cc: Marc Dionne cc: "David S. Miller" cc: Eric Dumazet cc: Jakub Kicinski cc: Paolo Abeni cc: linux-afs@lists.infradead.org cc: netdev@vger.kernel.org --- net/rxrpc/rxkad.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'net/rxrpc') diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c index e451ac90bfee..ef0849c8329c 100644 --- a/net/rxrpc/rxkad.c +++ b/net/rxrpc/rxkad.c @@ -259,7 +259,7 @@ static int rxkad_secure_packet_auth(const struct rxrpc_call *call, _enter(""); - check = txb->seq ^ ntohl(txb->wire.callNumber); + check = txb->seq ^ call->call_id; hdr->data_size = htonl((u32)check << 16 | txb->len); txb->len += sizeof(struct rxkad_level1_hdr); @@ -302,7 +302,7 @@ static int rxkad_secure_packet_encrypt(const struct rxrpc_call *call, _enter(""); - check = txb->seq ^ ntohl(txb->wire.callNumber); + check = txb->seq ^ call->call_id; rxkhdr->data_size = htonl(txb->len | (u32)check << 16); rxkhdr->checksum = 0; @@ -362,9 +362,9 @@ static int rxkad_secure_packet(struct rxrpc_call *call, struct rxrpc_txbuf *txb) memcpy(&iv, call->conn->rxkad.csum_iv.x, sizeof(iv)); /* calculate the security checksum */ - x = (ntohl(txb->wire.cid) & RXRPC_CHANNELMASK) << (32 - RXRPC_CIDSHIFT); + x = (call->cid & RXRPC_CHANNELMASK) << (32 - RXRPC_CIDSHIFT); x |= txb->seq & 0x3fffffff; - crypto.buf[0] = txb->wire.callNumber; + crypto.buf[0] = htonl(call->call_id); crypto.buf[1] = htonl(x); sg_init_one(&sg, crypto.buf, 8); -- cgit