diff options
| -rw-r--r-- | fs/nfsd/nfs4state.c | 30 | ||||
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 21 | ||||
| -rw-r--r-- | fs/nfsd/state.h | 4 | ||||
| -rw-r--r-- | fs/nfsd/xdr4.h | 3 |
4 files changed, 46 insertions, 12 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 640cd221fc77..94de5c348a41 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1899,6 +1899,8 @@ static void __free_client(struct kref *k) free_svc_cred(&clp->cl_cred); kfree(clp->cl_ownerstr_hashtbl); kfree(clp->cl_name.data); + kfree(clp->cl_nii_domain.data); + kfree(clp->cl_nii_name.data); idr_destroy(&clp->cl_stateids); kmem_cache_free(client_slab, clp); } @@ -2261,6 +2263,15 @@ static int client_info_show(struct seq_file *m, void *v) seq_printf(m, "name: "); seq_quote_mem(m, clp->cl_name.data, clp->cl_name.len); seq_printf(m, "\nminor version: %d\n", clp->cl_minorversion); + if (clp->cl_nii_domain.data) { + seq_printf(m, "Implementation domain: "); + seq_quote_mem(m, clp->cl_nii_domain.data, + clp->cl_nii_domain.len); + seq_printf(m, "\nImplementation name: "); + seq_quote_mem(m, clp->cl_nii_name.data, clp->cl_nii_name.len); + seq_printf(m, "\nImplementation time: [%ld, %ld]\n", + clp->cl_nii_time.tv_sec, clp->cl_nii_time.tv_nsec); + } drop_client(clp); return 0; @@ -2901,6 +2912,22 @@ static bool client_has_state(struct nfs4_client *clp) || !list_empty(&clp->async_copies); } +static __be32 copy_impl_id(struct nfs4_client *clp, + struct nfsd4_exchange_id *exid) +{ + if (!exid->nii_domain.data) + return 0; + xdr_netobj_dup(&clp->cl_nii_domain, &exid->nii_domain, GFP_KERNEL); + if (!clp->cl_nii_domain.data) + return nfserr_jukebox; + xdr_netobj_dup(&clp->cl_nii_name, &exid->nii_name, GFP_KERNEL); + if (!clp->cl_nii_name.data) + return nfserr_jukebox; + clp->cl_nii_time.tv_sec = exid->nii_time.tv_sec; + clp->cl_nii_time.tv_nsec = exid->nii_time.tv_nsec; + return 0; +} + __be32 nfsd4_exchange_id(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, union nfsd4_op_u *u) @@ -2927,6 +2954,9 @@ nfsd4_exchange_id(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, new = create_client(exid->clname, rqstp, &verf); if (new == NULL) return nfserr_jukebox; + status = copy_impl_id(new, exid); + if (status) + goto out_nolock; switch (exid->spa_how) { case SP4_MACH_CRED: diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 548a5a843b67..442811809f3d 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1389,7 +1389,6 @@ nfsd4_decode_exchange_id(struct nfsd4_compoundargs *argp, goto xdr_error; } - /* Ignore Implementation ID */ READ_BUF(4); /* nfs_impl_id4 array length */ dummy = be32_to_cpup(p++); @@ -1397,21 +1396,19 @@ nfsd4_decode_exchange_id(struct nfsd4_compoundargs *argp, goto xdr_error; if (dummy == 1) { - /* nii_domain */ - READ_BUF(4); - dummy = be32_to_cpup(p++); - READ_BUF(dummy); - p += XDR_QUADLEN(dummy); + status = nfsd4_decode_opaque(argp, &exid->nii_domain); + if (status) + goto xdr_error; /* nii_name */ - READ_BUF(4); - dummy = be32_to_cpup(p++); - READ_BUF(dummy); - p += XDR_QUADLEN(dummy); + status = nfsd4_decode_opaque(argp, &exid->nii_name); + if (status) + goto xdr_error; /* nii_date */ - READ_BUF(12); - p += 3; + status = nfsd4_decode_time(argp, &exid->nii_time); + if (status) + goto xdr_error; } DECODE_TAIL; } diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index 81852cbf6b0a..8cb20cab012b 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -317,6 +317,10 @@ struct nfs4_client { clientid_t cl_clientid; /* generated by server */ nfs4_verifier cl_confirm; /* generated by server */ u32 cl_minorversion; + /* NFSv4.1 client implementation id: */ + struct xdr_netobj cl_nii_domain; + struct xdr_netobj cl_nii_name; + struct timespec cl_nii_time; /* for v4.0 and v4.1 callbacks: */ struct nfs4_cb_conn cl_cb_conn; diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h index c2b631eefc6d..d64c870f998a 100644 --- a/fs/nfsd/xdr4.h +++ b/fs/nfsd/xdr4.h @@ -410,6 +410,9 @@ struct nfsd4_exchange_id { int spa_how; u32 spo_must_enforce[3]; u32 spo_must_allow[3]; + struct xdr_netobj nii_domain; + struct xdr_netobj nii_name; + struct timespec64 nii_time; }; struct nfsd4_sequence { |