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authorDavid Howells <dhowells@redhat.com>2009-09-14 01:17:46 +0000
committerDavid S. Miller <davem@davemloft.net>2009-09-15 02:44:33 -0700
commit99455153d0670ba110e6a3b855b8369bcbd11120 (patch)
tree166ba6e3046654f7d1cd5f0debdcae1aa8938080 /include/keys
parented6dd18b5aceb322da9840f01a68d648e91c8a72 (diff)
downloadop-kernel-dev-99455153d0670ba110e6a3b855b8369bcbd11120.zip
op-kernel-dev-99455153d0670ba110e6a3b855b8369bcbd11120.tar.gz
RxRPC: Parse security index 5 keys (Kerberos 5)
Parse RxRPC security index 5 type keys (Kerberos 5 tokens). Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/keys')
-rw-r--r--include/keys/rxrpc-type.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/include/keys/rxrpc-type.h b/include/keys/rxrpc-type.h
index c0d9121..5eb2357 100644
--- a/include/keys/rxrpc-type.h
+++ b/include/keys/rxrpc-type.h
@@ -36,6 +36,54 @@ struct rxkad_key {
};
/*
+ * Kerberos 5 principal
+ * name/name/name@realm
+ */
+struct krb5_principal {
+ u8 n_name_parts; /* N of parts of the name part of the principal */
+ char **name_parts; /* parts of the name part of the principal */
+ char *realm; /* parts of the realm part of the principal */
+};
+
+/*
+ * Kerberos 5 tagged data
+ */
+struct krb5_tagged_data {
+ /* for tag value, see /usr/include/krb5/krb5.h
+ * - KRB5_AUTHDATA_* for auth data
+ * -
+ */
+ int32_t tag;
+ uint32_t data_len;
+ u8 *data;
+};
+
+/*
+ * RxRPC key for Kerberos V (type-5 security)
+ */
+struct rxk5_key {
+ uint64_t authtime; /* time at which auth token generated */
+ uint64_t starttime; /* time at which auth token starts */
+ uint64_t endtime; /* time at which auth token expired */
+ uint64_t renew_till; /* time to which auth token can be renewed */
+ int32_t is_skey; /* T if ticket is encrypted in another ticket's
+ * skey */
+ int32_t flags; /* mask of TKT_FLG_* bits (krb5/krb5.h) */
+ struct krb5_principal client; /* client principal name */
+ struct krb5_principal server; /* server principal name */
+ uint16_t ticket_len; /* length of ticket */
+ uint16_t ticket2_len; /* length of second ticket */
+ u8 n_authdata; /* number of authorisation data elements */
+ u8 n_addresses; /* number of addresses */
+ struct krb5_tagged_data session; /* session data; tag is enctype */
+ struct krb5_tagged_data *addresses; /* addresses */
+ u8 *ticket; /* krb5 ticket */
+ u8 *ticket2; /* second krb5 ticket, if related to ticket (via
+ * DUPLICATE-SKEY or ENC-TKT-IN-SKEY) */
+ struct krb5_tagged_data *authdata; /* authorisation data */
+};
+
+/*
* list of tokens attached to an rxrpc key
*/
struct rxrpc_key_token {
@@ -43,6 +91,7 @@ struct rxrpc_key_token {
struct rxrpc_key_token *next; /* the next token in the list */
union {
struct rxkad_key *kad;
+ struct rxk5_key *k5;
};
};
@@ -64,8 +113,11 @@ struct rxrpc_key_data_v1 {
* - based on openafs-1.4.10/src/auth/afs_token.xg
*/
#define AFSTOKEN_LENGTH_MAX 16384 /* max payload size */
+#define AFSTOKEN_STRING_MAX 256 /* max small string length */
+#define AFSTOKEN_DATA_MAX 64 /* max small data length */
#define AFSTOKEN_CELL_MAX 64 /* max cellname length */
#define AFSTOKEN_MAX 8 /* max tokens per payload */
+#define AFSTOKEN_BDATALN_MAX 16384 /* max big data length */
#define AFSTOKEN_RK_TIX_MAX 12000 /* max RxKAD ticket size */
#define AFSTOKEN_GK_KEY_MAX 64 /* max GSSAPI key size */
#define AFSTOKEN_GK_TOKEN_MAX 16384 /* max GSSAPI token size */
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