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path: root/fs/nfsd/nfs4xdr.c
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Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
-rw-r--r--fs/nfsd/nfs4xdr.c148
1 files changed, 145 insertions, 3 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 09415bc..671f9b9 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1099,7 +1099,108 @@ static __be32
nfsd4_decode_create_session(struct nfsd4_compoundargs *argp,
struct nfsd4_create_session *sess)
{
- return nfserr_opnotsupp; /* stub */
+ DECODE_HEAD;
+
+ u32 dummy;
+ char *machine_name;
+ int i;
+ int nr_secflavs;
+
+ READ_BUF(16);
+ COPYMEM(&sess->clientid, 8);
+ READ32(sess->seqid);
+ READ32(sess->flags);
+
+ /* Fore channel attrs */
+ READ_BUF(28);
+ READ32(dummy); /* headerpadsz is always 0 */
+ READ32(sess->fore_channel.maxreq_sz);
+ READ32(sess->fore_channel.maxresp_sz);
+ READ32(sess->fore_channel.maxresp_cached);
+ READ32(sess->fore_channel.maxops);
+ READ32(sess->fore_channel.maxreqs);
+ READ32(sess->fore_channel.nr_rdma_attrs);
+ if (sess->fore_channel.nr_rdma_attrs == 1) {
+ READ_BUF(4);
+ READ32(sess->fore_channel.rdma_attrs);
+ } else if (sess->fore_channel.nr_rdma_attrs > 1) {
+ dprintk("Too many fore channel attr bitmaps!\n");
+ goto xdr_error;
+ }
+
+ /* Back channel attrs */
+ READ_BUF(28);
+ READ32(dummy); /* headerpadsz is always 0 */
+ READ32(sess->back_channel.maxreq_sz);
+ READ32(sess->back_channel.maxresp_sz);
+ READ32(sess->back_channel.maxresp_cached);
+ READ32(sess->back_channel.maxops);
+ READ32(sess->back_channel.maxreqs);
+ READ32(sess->back_channel.nr_rdma_attrs);
+ if (sess->back_channel.nr_rdma_attrs == 1) {
+ READ_BUF(4);
+ READ32(sess->back_channel.rdma_attrs);
+ } else if (sess->back_channel.nr_rdma_attrs > 1) {
+ dprintk("Too many back channel attr bitmaps!\n");
+ goto xdr_error;
+ }
+
+ READ_BUF(8);
+ READ32(sess->callback_prog);
+
+ /* callback_sec_params4 */
+ READ32(nr_secflavs);
+ for (i = 0; i < nr_secflavs; ++i) {
+ READ_BUF(4);
+ READ32(dummy);
+ switch (dummy) {
+ case RPC_AUTH_NULL:
+ /* Nothing to read */
+ break;
+ case RPC_AUTH_UNIX:
+ READ_BUF(8);
+ /* stamp */
+ READ32(dummy);
+
+ /* machine name */
+ READ32(dummy);
+ READ_BUF(dummy);
+ SAVEMEM(machine_name, dummy);
+
+ /* uid, gid */
+ READ_BUF(8);
+ READ32(sess->uid);
+ READ32(sess->gid);
+
+ /* more gids */
+ READ_BUF(4);
+ READ32(dummy);
+ READ_BUF(dummy * 4);
+ for (i = 0; i < dummy; ++i)
+ READ32(dummy);
+ break;
+ case RPC_AUTH_GSS:
+ dprintk("RPC_AUTH_GSS callback secflavor "
+ "not supported!\n");
+ READ_BUF(8);
+ /* gcbp_service */
+ READ32(dummy);
+ /* gcbp_handle_from_server */
+ READ32(dummy);
+ READ_BUF(dummy);
+ p += XDR_QUADLEN(dummy);
+ /* gcbp_handle_from_client */
+ READ_BUF(4);
+ READ32(dummy);
+ READ_BUF(dummy);
+ p += XDR_QUADLEN(dummy);
+ break;
+ default:
+ dprintk("Illegal callback secflavor\n");
+ return nfserr_inval;
+ }
+ }
+ DECODE_TAIL;
}
static __be32
@@ -2821,8 +2922,49 @@ static __be32
nfsd4_encode_create_session(struct nfsd4_compoundres *resp, int nfserr,
struct nfsd4_create_session *sess)
{
- /* stub */
- return nfserr;
+ ENCODE_HEAD;
+
+ if (nfserr)
+ return nfserr;
+
+ RESERVE_SPACE(24);
+ WRITEMEM(sess->sessionid.data, NFS4_MAX_SESSIONID_LEN);
+ WRITE32(sess->seqid);
+ WRITE32(sess->flags);
+ ADJUST_ARGS();
+
+ RESERVE_SPACE(28);
+ WRITE32(0); /* headerpadsz */
+ WRITE32(sess->fore_channel.maxreq_sz);
+ WRITE32(sess->fore_channel.maxresp_sz);
+ WRITE32(sess->fore_channel.maxresp_cached);
+ WRITE32(sess->fore_channel.maxops);
+ WRITE32(sess->fore_channel.maxreqs);
+ WRITE32(sess->fore_channel.nr_rdma_attrs);
+ ADJUST_ARGS();
+
+ if (sess->fore_channel.nr_rdma_attrs) {
+ RESERVE_SPACE(4);
+ WRITE32(sess->fore_channel.rdma_attrs);
+ ADJUST_ARGS();
+ }
+
+ RESERVE_SPACE(28);
+ WRITE32(0); /* headerpadsz */
+ WRITE32(sess->back_channel.maxreq_sz);
+ WRITE32(sess->back_channel.maxresp_sz);
+ WRITE32(sess->back_channel.maxresp_cached);
+ WRITE32(sess->back_channel.maxops);
+ WRITE32(sess->back_channel.maxreqs);
+ WRITE32(sess->back_channel.nr_rdma_attrs);
+ ADJUST_ARGS();
+
+ if (sess->back_channel.nr_rdma_attrs) {
+ RESERVE_SPACE(4);
+ WRITE32(sess->back_channel.rdma_attrs);
+ ADJUST_ARGS();
+ }
+ return 0;
}
static __be32