[enctypes round 2: PATCH 05/26] rpc: gss: Add oid values to the gss_api mechanism structures

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From: Usha Ketineni <uketinen@xxxxxxxxxx>

On NFSV4 server side, these are required as part of the security
triple(oid,qop,service) information being sent in the response of the
SECINFO operation.

Signed-off-by: Usha Ketineni <uketinen@xxxxxxxxxx>
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxxxxxx>
---

 fs/nfsd/nfs4xdr.c                    |    6 +++---
 include/linux/sunrpc/gss_api.h       |    2 +-
 include/linux/sunrpc/gss_krb5.h      |    2 ++
 net/sunrpc/auth_gss/gss_krb5_mech.c  |    4 +++-
 net/sunrpc/auth_gss/gss_spkm3_mech.c |    4 +++-
 5 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index c513bbd..737dbe8 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -2512,9 +2512,9 @@ nfsd4_encode_secinfo(struct nfsd4_compoundres *resp, __be32 nfserr,
 			RESERVE_SPACE(4);
 			WRITE32(RPC_AUTH_GSS);
 			ADJUST_ARGS();
-			RESERVE_SPACE(4 + gm->gm_oid.len);
-			WRITE32(gm->gm_oid.len);
-			WRITEMEM(gm->gm_oid.data, gm->gm_oid.len);
+			RESERVE_SPACE(4 + gm->gm_oid->len);
+			WRITE32(gm->gm_oid->len);
+			WRITEMEM(gm->gm_oid->data, gm->gm_oid->len);
 			ADJUST_ARGS();
 			RESERVE_SPACE(4);
 			WRITE32(0); /* qop */
diff --git a/include/linux/sunrpc/gss_api.h b/include/linux/sunrpc/gss_api.h
index 459c5fc..ed0b80c 100644
--- a/include/linux/sunrpc/gss_api.h
+++ b/include/linux/sunrpc/gss_api.h
@@ -76,7 +76,7 @@ struct pf_desc {
 struct gss_api_mech {
 	struct list_head	gm_list;
 	struct module		*gm_owner;
-	struct xdr_netobj	gm_oid;
+	struct xdr_netobj	*gm_oid;
 	char			*gm_name;
 	const struct gss_api_ops *gm_ops;
 	/* pseudoflavors supported by this mechanism: */
diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h
index 5bb227e..65003b2 100644
--- a/include/linux/sunrpc/gss_krb5.h
+++ b/include/linux/sunrpc/gss_krb5.h
@@ -79,6 +79,8 @@ enum seal_alg {
 	SEAL_ALG_DES3KD = 0x0002
 };
 
+extern struct xdr_netobj krb5_oid;
+
 #define CKSUMTYPE_CRC32			0x0001
 #define CKSUMTYPE_RSA_MD4		0x0002
 #define CKSUMTYPE_RSA_MD4_DES		0x0003
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index 60c3dba..3c070d0 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -232,10 +232,12 @@ static struct pf_desc gss_kerberos_pfs[] = {
 	},
 };
 
+struct xdr_netobj krb5_oid = {9, "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02"};
+
 static struct gss_api_mech gss_kerberos_mech = {
 	.gm_name	= "krb5",
 	.gm_owner	= THIS_MODULE,
-	.gm_oid		= {9, (void *)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x02"},
+	.gm_oid		= &krb5_oid,
 	.gm_ops		= &gss_kerberos_ops,
 	.gm_pf_num	= ARRAY_SIZE(gss_kerberos_pfs),
 	.gm_pfs		= gss_kerberos_pfs,
diff --git a/net/sunrpc/auth_gss/gss_spkm3_mech.c b/net/sunrpc/auth_gss/gss_spkm3_mech.c
index 5deb4b6..210b23b 100644
--- a/net/sunrpc/auth_gss/gss_spkm3_mech.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_mech.c
@@ -214,10 +214,12 @@ static struct pf_desc gss_spkm3_pfs[] = {
 	{RPC_AUTH_GSS_SPKMI, RPC_GSS_SVC_INTEGRITY, "spkm3i"},
 };
 
+struct xdr_netobj spkm3_oid = {7, "\053\006\001\005\005\001\003"};
+
 static struct gss_api_mech gss_spkm3_mech = {
 	.gm_name	= "spkm3",
 	.gm_owner	= THIS_MODULE,
-	.gm_oid		= {7, "\053\006\001\005\005\001\003"},
+	.gm_oid		= &spkm3_oid,
 	.gm_ops		= &gss_spkm3_ops,
 	.gm_pf_num	= ARRAY_SIZE(gss_spkm3_pfs),
 	.gm_pfs		= gss_spkm3_pfs,

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