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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.c115
1 files changed, 86 insertions, 29 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index f35a94a04026..956629b9cdc9 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -44,13 +44,14 @@
#include <linux/namei.h>
#include <linux/statfs.h>
#include <linux/utsname.h>
-#include <linux/nfsd_idmap.h>
-#include <linux/nfs4_acl.h>
#include <linux/sunrpc/svcauth_gss.h>
+#include "idmap.h"
+#include "acl.h"
#include "xdr4.h"
#include "vfs.h"
+
#define NFSDDBG_FACILITY NFSDDBG_XDR
/*
@@ -288,17 +289,17 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval,
len += XDR_QUADLEN(dummy32) << 2;
READMEM(buf, dummy32);
ace->whotype = nfs4_acl_get_whotype(buf, dummy32);
- host_err = 0;
+ status = nfs_ok;
if (ace->whotype != NFS4_ACL_WHO_NAMED)
ace->who = 0;
else if (ace->flag & NFS4_ACE_IDENTIFIER_GROUP)
- host_err = nfsd_map_name_to_gid(argp->rqstp,
+ status = nfsd_map_name_to_gid(argp->rqstp,
buf, dummy32, &ace->who);
else
- host_err = nfsd_map_name_to_uid(argp->rqstp,
+ status = nfsd_map_name_to_uid(argp->rqstp,
buf, dummy32, &ace->who);
- if (host_err)
- goto out_nfserr;
+ if (status)
+ return status;
}
} else
*acl = NULL;
@@ -420,6 +421,21 @@ nfsd4_decode_access(struct nfsd4_compoundargs *argp, struct nfsd4_access *access
DECODE_TAIL;
}
+static __be32 nfsd4_decode_bind_conn_to_session(struct nfsd4_compoundargs *argp, struct nfsd4_bind_conn_to_session *bcts)
+{
+ DECODE_HEAD;
+ u32 dummy;
+
+ READ_BUF(NFS4_MAX_SESSIONID_LEN + 8);
+ COPYMEM(bcts->sessionid.data, NFS4_MAX_SESSIONID_LEN);
+ READ32(bcts->dir);
+ /* XXX: Perhaps Tom Tucker could help us figure out how we
+ * should be using ctsa_use_conn_in_rdma_mode: */
+ READ32(dummy);
+
+ DECODE_TAIL;
+}
+
static __be32
nfsd4_decode_close(struct nfsd4_compoundargs *argp, struct nfsd4_close *close)
{
@@ -847,6 +863,17 @@ nfsd4_decode_secinfo(struct nfsd4_compoundargs *argp,
}
static __be32
+nfsd4_decode_secinfo_no_name(struct nfsd4_compoundargs *argp,
+ struct nfsd4_secinfo_no_name *sin)
+{
+ DECODE_HEAD;
+
+ READ_BUF(4);
+ READ32(sin->sin_style);
+ DECODE_TAIL;
+}
+
+static __be32
nfsd4_decode_setattr(struct nfsd4_compoundargs *argp, struct nfsd4_setattr *setattr)
{
__be32 status;
@@ -1005,7 +1032,7 @@ static __be32
nfsd4_decode_exchange_id(struct nfsd4_compoundargs *argp,
struct nfsd4_exchange_id *exid)
{
- int dummy;
+ int dummy, tmp;
DECODE_HEAD;
READ_BUF(NFS4_VERIFIER_SIZE);
@@ -1053,15 +1080,23 @@ nfsd4_decode_exchange_id(struct nfsd4_compoundargs *argp,
/* ssp_hash_algs<> */
READ_BUF(4);
- READ32(dummy);
- READ_BUF(dummy);
- p += XDR_QUADLEN(dummy);
+ READ32(tmp);
+ while (tmp--) {
+ READ_BUF(4);
+ READ32(dummy);
+ READ_BUF(dummy);
+ p += XDR_QUADLEN(dummy);
+ }
/* ssp_encr_algs<> */
READ_BUF(4);
- READ32(dummy);
- READ_BUF(dummy);
- p += XDR_QUADLEN(dummy);
+ READ32(tmp);
+ while (tmp--) {
+ READ_BUF(4);
+ READ32(dummy);
+ READ_BUF(dummy);
+ p += XDR_QUADLEN(dummy);
+ }
/* ssp_window and ssp_num_gss_handles */
READ_BUF(8);
@@ -1339,7 +1374,7 @@ static nfsd4_dec nfsd41_dec_ops[] = {
/* new operations for NFSv4.1 */
[OP_BACKCHANNEL_CTL] = (nfsd4_dec)nfsd4_decode_notsupp,
- [OP_BIND_CONN_TO_SESSION]= (nfsd4_dec)nfsd4_decode_notsupp,
+ [OP_BIND_CONN_TO_SESSION]= (nfsd4_dec)nfsd4_decode_bind_conn_to_session,
[OP_EXCHANGE_ID] = (nfsd4_dec)nfsd4_decode_exchange_id,
[OP_CREATE_SESSION] = (nfsd4_dec)nfsd4_decode_create_session,
[OP_DESTROY_SESSION] = (nfsd4_dec)nfsd4_decode_destroy_session,
@@ -1350,7 +1385,7 @@ static nfsd4_dec nfsd41_dec_ops[] = {
[OP_LAYOUTCOMMIT] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_LAYOUTGET] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_LAYOUTRETURN] = (nfsd4_dec)nfsd4_decode_notsupp,
- [OP_SECINFO_NO_NAME] = (nfsd4_dec)nfsd4_decode_notsupp,
+ [OP_SECINFO_NO_NAME] = (nfsd4_dec)nfsd4_decode_secinfo_no_name,
[OP_SEQUENCE] = (nfsd4_dec)nfsd4_decode_sequence,
[OP_SET_SSV] = (nfsd4_dec)nfsd4_decode_notsupp,
[OP_TEST_STATEID] = (nfsd4_dec)nfsd4_decode_notsupp,
@@ -2309,8 +2344,6 @@ nfsd4_encode_dirent(void *ccdv, const char *name, int namlen,
case nfserr_resource:
nfserr = nfserr_toosmall;
goto fail;
- case nfserr_dropit:
- goto fail;
case nfserr_noent:
goto skip_entry;
default:
@@ -2365,6 +2398,21 @@ nfsd4_encode_access(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_
return nfserr;
}
+static __be32 nfsd4_encode_bind_conn_to_session(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_bind_conn_to_session *bcts)
+{
+ __be32 *p;
+
+ if (!nfserr) {
+ RESERVE_SPACE(NFS4_MAX_SESSIONID_LEN + 8);
+ WRITEMEM(bcts->sessionid.data, NFS4_MAX_SESSIONID_LEN);
+ WRITE32(bcts->dir);
+ /* XXX: ? */
+ WRITE32(0);
+ ADJUST_ARGS();
+ }
+ return nfserr;
+}
+
static __be32
nfsd4_encode_close(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_close *close)
{
@@ -2826,11 +2874,10 @@ nfsd4_encode_rename(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_
}
static __be32
-nfsd4_encode_secinfo(struct nfsd4_compoundres *resp, __be32 nfserr,
- struct nfsd4_secinfo *secinfo)
+nfsd4_do_encode_secinfo(struct nfsd4_compoundres *resp,
+ __be32 nfserr,struct svc_export *exp)
{
int i = 0;
- struct svc_export *exp = secinfo->si_exp;
u32 nflavs;
struct exp_flavor_info *flavs;
struct exp_flavor_info def_flavs[2];
@@ -2892,6 +2939,20 @@ out:
return nfserr;
}
+static __be32
+nfsd4_encode_secinfo(struct nfsd4_compoundres *resp, __be32 nfserr,
+ struct nfsd4_secinfo *secinfo)
+{
+ return nfsd4_do_encode_secinfo(resp, nfserr, secinfo->si_exp);
+}
+
+static __be32
+nfsd4_encode_secinfo_no_name(struct nfsd4_compoundres *resp, __be32 nfserr,
+ struct nfsd4_secinfo_no_name *secinfo)
+{
+ return nfsd4_do_encode_secinfo(resp, nfserr, secinfo->sin_exp);
+}
+
/*
* The SETATTR encode routine is special -- it always encodes a bitmap,
* regardless of the error status.
@@ -3076,13 +3137,9 @@ nfsd4_encode_sequence(struct nfsd4_compoundres *resp, int nfserr,
WRITE32(seq->seqid);
WRITE32(seq->slotid);
WRITE32(seq->maxslots);
- /*
- * FIXME: for now:
- * target_maxslots = maxslots
- * status_flags = 0
- */
+ /* For now: target_maxslots = maxslots */
WRITE32(seq->maxslots);
- WRITE32(0);
+ WRITE32(seq->status_flags);
ADJUST_ARGS();
resp->cstate.datap = p; /* DRC cache data pointer */
@@ -3143,7 +3200,7 @@ static nfsd4_enc nfsd4_enc_ops[] = {
/* NFSv4.1 operations */
[OP_BACKCHANNEL_CTL] = (nfsd4_enc)nfsd4_encode_noop,
- [OP_BIND_CONN_TO_SESSION] = (nfsd4_enc)nfsd4_encode_noop,
+ [OP_BIND_CONN_TO_SESSION] = (nfsd4_enc)nfsd4_encode_bind_conn_to_session,
[OP_EXCHANGE_ID] = (nfsd4_enc)nfsd4_encode_exchange_id,
[OP_CREATE_SESSION] = (nfsd4_enc)nfsd4_encode_create_session,
[OP_DESTROY_SESSION] = (nfsd4_enc)nfsd4_encode_destroy_session,
@@ -3154,7 +3211,7 @@ static nfsd4_enc nfsd4_enc_ops[] = {
[OP_LAYOUTCOMMIT] = (nfsd4_enc)nfsd4_encode_noop,
[OP_LAYOUTGET] = (nfsd4_enc)nfsd4_encode_noop,
[OP_LAYOUTRETURN] = (nfsd4_enc)nfsd4_encode_noop,
- [OP_SECINFO_NO_NAME] = (nfsd4_enc)nfsd4_encode_noop,
+ [OP_SECINFO_NO_NAME] = (nfsd4_enc)nfsd4_encode_secinfo_no_name,
[OP_SEQUENCE] = (nfsd4_enc)nfsd4_encode_sequence,
[OP_SET_SSV] = (nfsd4_enc)nfsd4_encode_noop,
[OP_TEST_STATEID] = (nfsd4_enc)nfsd4_encode_noop,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.