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authorKevin Coffman <kwc@citi.umich.edu>2010-03-17 13:02:54 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-05-14 15:09:17 -0400
commit47d84807762966c3611c38adecec6ea703ddda7a (patch)
treeac67fb9e29aa03e7eba58adae29e8db05fd35537 /include/linux/sunrpc
parent4891f2d008e4343eedea39ba1fe74864f1d32be0 (diff)
downloadblackbird-op-linux-47d84807762966c3611c38adecec6ea703ddda7a.tar.gz
blackbird-op-linux-47d84807762966c3611c38adecec6ea703ddda7a.zip
gss_krb5: handle new context format from gssd
For encryption types other than DES, gssd sends down context information in a new format. This new format includes the information needed to support the new Kerberos GSS-API tokens defined in rfc4121. Signed-off-by: Kevin Coffman <kwc@citi.umich.edu> Signed-off-by: Steve Dickson <steved@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/gss_krb5.h23
1 files changed, 21 insertions, 2 deletions
diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h
index d31ba0304d18..04d5279f17df 100644
--- a/include/linux/sunrpc/gss_krb5.h
+++ b/include/linux/sunrpc/gss_krb5.h
@@ -72,21 +72,36 @@ struct gss_krb5_enctype {
u32 (*decrypt) (struct crypto_blkcipher *tfm,
void *iv, void *in, void *out,
int length); /* decryption function */
- u32 (*mk_key) (struct gss_krb5_enctype *gk5e,
+ u32 (*mk_key) (const struct gss_krb5_enctype *gk5e,
struct xdr_netobj *in,
struct xdr_netobj *out); /* complete key generation */
};
+/* krb5_ctx flags definitions */
+#define KRB5_CTX_FLAG_INITIATOR 0x00000001
+#define KRB5_CTX_FLAG_CFX 0x00000002
+#define KRB5_CTX_FLAG_ACCEPTOR_SUBKEY 0x00000004
+
struct krb5_ctx {
int initiate; /* 1 = initiating, 0 = accepting */
u32 enctype;
+ u32 flags;
const struct gss_krb5_enctype *gk5e; /* enctype-specific info */
struct crypto_blkcipher *enc;
struct crypto_blkcipher *seq;
+ struct crypto_blkcipher *acceptor_enc;
+ struct crypto_blkcipher *initiator_enc;
u8 cksum[GSS_KRB5_MAX_KEYLEN];
s32 endtime;
u32 seq_send;
+ u64 seq_send64;
struct xdr_netobj mech_used;
+ u8 initiator_sign[GSS_KRB5_MAX_KEYLEN];
+ u8 acceptor_sign[GSS_KRB5_MAX_KEYLEN];
+ u8 initiator_seal[GSS_KRB5_MAX_KEYLEN];
+ u8 acceptor_seal[GSS_KRB5_MAX_KEYLEN];
+ u8 initiator_integ[GSS_KRB5_MAX_KEYLEN];
+ u8 acceptor_integ[GSS_KRB5_MAX_KEYLEN];
};
extern spinlock_t krb5_seq_lock;
@@ -151,6 +166,10 @@ enum seal_alg {
#define ENCTYPE_DES3_CBC_RAW 0x0006 /* DES-3 cbc mode raw */
#define ENCTYPE_DES_HMAC_SHA1 0x0008
#define ENCTYPE_DES3_CBC_SHA1 0x0010
+#define ENCTYPE_AES128_CTS_HMAC_SHA1_96 0x0011
+#define ENCTYPE_AES256_CTS_HMAC_SHA1_96 0x0012
+#define ENCTYPE_ARCFOUR_HMAC 0x0017
+#define ENCTYPE_ARCFOUR_HMAC_EXP 0x0018
#define ENCTYPE_UNKNOWN 0x01ff
/*
@@ -238,7 +257,7 @@ int
xdr_extend_head(struct xdr_buf *buf, unsigned int base, unsigned int shiftlen);
u32
-krb5_derive_key(struct gss_krb5_enctype *gk5e,
+krb5_derive_key(const struct gss_krb5_enctype *gk5e,
const struct xdr_netobj *inkey,
struct xdr_netobj *outkey,
const struct xdr_netobj *in_constant);
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