* vim:expandtab:shiftwidth=8:tabstop=8:
*
* Modified from NFSv4 project for Lustre
- * Copyright 2004 - 2006, Cluster File Systems, Inc.
- * All rights reserved
+ *
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ *
* Author: Eric Mei <ericm@clusterfs.com>
*/
__u8 *buf;
} rawobj_buf_t;
+int rawobj_empty(rawobj_t *obj);
int rawobj_alloc(rawobj_t *obj, char *buf, int len);
void rawobj_free(rawobj_t *obj);
int rawobj_equal(rawobj_t *a, rawobj_t *b);
return expiry;
}
-/* we try to force reconnect import 20m eariler than real expiry.
- * kerberos 5 usually allow 5m time skew, but which is adjustable,
- * so if we set krb5 to allow > 20m time skew, we have chance that
- * server's reverse ctx expired but client still hasn't start to
- * refresh it -- it's BAD. So here we actually put a limit on the
- * enviroment of krb5 (or other authentication mechanism)
- */
-#define GSS_MAX_TIME_SKEW (20 * 60)
-
-static inline
-unsigned long gss_round_imp_reconnect(unsigned long expiry)
-{
- unsigned long now = get_seconds();
- unsigned long nice = GSS_MAX_TIME_SKEW + __TIMEOUT_DELTA;
-
- while (nice && (now + nice >= expiry))
- nice = nice / 2;
-
- return (expiry - nice);
-}
-
/*
* Max encryption element in block cipher algorithms.
*/
PTLRPC_GSS_PROC_ERR = 4,
};
-enum ptlrpc_gss_svc {
- PTLRPC_GSS_SVC_NONE = 1,
- PTLRPC_GSS_SVC_INTEGRITY = 2,
- PTLRPC_GSS_SVC_PRIVACY = 3,
+enum ptlrpc_gss_tgt {
+ LUSTRE_GSS_TGT_MGS = 0,
+ LUSTRE_GSS_TGT_MDS = 1,
+ LUSTRE_GSS_TGT_OSS = 2,
};
-enum ptlrpc_gss_tgt {
- LUSTRE_GSS_TGT_MDS = 0,
- LUSTRE_GSS_TGT_OSS = 1,
+enum ptlrpc_gss_header_flags {
+ LUSTRE_GSS_PACK_BULK = 1,
+ LUSTRE_GSS_PACK_USER = 2,
};
static inline
{
const char *name = imp->imp_obd->obd_type->typ_name;
+ if (!strcmp(name, LUSTRE_MGC_NAME))
+ return LUSTRE_GSS_TGT_MGS;
if (!strcmp(name, LUSTRE_MDC_NAME))
return LUSTRE_GSS_TGT_MDS;
if (!strcmp(name, LUSTRE_OSC_NAME))
* following 3 header must have the same size and offset
*/
struct gss_header {
- __u32 gh_version; /* gss version */
+ __u8 gh_version; /* gss version */
+ __u8 gh_sp; /* sec part */
+ __u16 gh_pad0;
__u32 gh_flags; /* wrap flags */
__u32 gh_proc; /* proc */
__u32 gh_seq; /* sequence */
};
struct gss_rep_header {
- __u32 gh_version;
+ __u8 gh_version;
+ __u8 gh_sp;
+ __u16 gh_pad0;
__u32 gh_flags;
__u32 gh_proc;
__u32 gh_major;
};
struct gss_err_header {
- __u32 gh_version;
+ __u8 gh_version;
+ __u8 gh_sp;
+ __u16 gh_pad0;
__u32 gh_flags;
__u32 gh_proc;
__u32 gh_major;
* used later by server.
*/
struct gss_wire_ctx {
+ __u32 gw_flags;
__u32 gw_proc;
__u32 gw_seq;
__u32 gw_svc;
PTLRPC_GSS_MAX_HANDLE_SIZE)
+static inline __u64 gss_handle_to_u64(rawobj_t *handle)
+{
+ if (handle->len != PTLRPC_GSS_MAX_HANDLE_SIZE)
+ return -1;
+ return *((__u64 *) handle->data);
+}
+
#define GSS_SEQ_WIN (2048)
#define GSS_SEQ_WIN_MAIN GSS_SEQ_WIN
#define GSS_SEQ_WIN_BACK (128)
};
struct gss_svc_ctx {
- unsigned int gsc_usr_root:1,
- gsc_usr_mds:1,
- gsc_remote:1;
+ struct gss_ctx *gsc_mechctx;
+ struct gss_svc_seq_data gsc_seqdata;
+ rawobj_t gsc_rvs_hdl;
+ __u32 gsc_rvs_seq;
uid_t gsc_uid;
gid_t gsc_gid;
uid_t gsc_mapped_uid;
- rawobj_t gsc_rvs_hdl;
- struct gss_svc_seq_data gsc_seqdata;
- struct gss_ctx *gsc_mechctx;
+ unsigned int gsc_usr_root:1,
+ gsc_usr_mds:1,
+ gsc_remote:1,
+ gsc_reverse:1;
};
struct gss_svc_reqctx {
- struct ptlrpc_svc_ctx src_base;
- struct gss_wire_ctx src_wirectx;
- struct gss_svc_ctx *src_ctx;
- unsigned int src_init:1,
- src_init_continue:1,
- src_err_notify:1;
- int src_reserve_len;
+ struct ptlrpc_svc_ctx src_base;
+ /*
+ * context
+ */
+ struct gss_wire_ctx src_wirectx;
+ struct gss_svc_ctx *src_ctx;
+ /*
+ * record place of bulk_sec_desc in request/reply buffer
+ */
+ struct ptlrpc_bulk_sec_desc *src_reqbsd;
+ int src_reqbsd_size;
+ struct ptlrpc_bulk_sec_desc *src_repbsd;
+ int src_repbsd_size;
+ /*
+ * flags
+ */
+ unsigned int src_init:1,
+ src_init_continue:1,
+ src_err_notify:1;
+ int src_reserve_len;
};
struct gss_cli_ctx {
atomic_t gc_seq;
rawobj_t gc_handle;
struct gss_ctx *gc_mechctx;
+ /* handle for the buddy svc ctx */
+ rawobj_t gc_svc_handle;
};
struct gss_cli_ctx_keyring {
struct gss_sec_keyring {
struct gss_sec gsk_base;
/*
- * unique sec_id.
- */
- int gsk_id;
- /*
* all contexts listed here. access is protected by sec spinlock.
*/
struct hlist_head gsk_clist;
return container_of(ctx, struct gss_svc_reqctx, src_base);
}
+static inline
+struct gss_svc_ctx *gss_svc_ctx2gssctx(struct ptlrpc_svc_ctx *ctx)
+{
+ LASSERT(ctx);
+ return gss_svc_ctx2reqctx(ctx)->src_ctx;
+}
+
/* sec_gss.c */
int gss_cli_ctx_match(struct ptlrpc_cli_ctx *ctx, struct vfs_cred *vcred);
int gss_cli_ctx_display(struct ptlrpc_cli_ctx *ctx, char *buf, int bufsize);
struct ptlrpc_sec_policy *policy,
struct obd_import *imp,
struct ptlrpc_svc_ctx *ctx,
- __u32 flavor,
- unsigned long flags);
+ struct sptlrpc_flavor *sf);
void gss_sec_destroy_common(struct gss_sec *gsec);
+void gss_sec_kill(struct ptlrpc_sec *sec);
int gss_cli_ctx_init_common(struct ptlrpc_sec *sec,
struct ptlrpc_cli_ctx *ctx,
int gss_cli_ctx_fini_common(struct ptlrpc_sec *sec,
struct ptlrpc_cli_ctx *ctx);
+void gss_cli_ctx_flags2str(unsigned long flags, char *buf, int bufsize);
+
/* gss_keyring.c */
-extern struct ptlrpc_sec_policy gss_policy_keyring;
int __init gss_init_keyring(void);
void __exit gss_exit_keyring(void);
void __exit gss_exit_pipefs(void);
/* gss_bulk.c */
+int gss_cli_prep_bulk(struct ptlrpc_request *req,
+ struct ptlrpc_bulk_desc *desc);
int gss_cli_ctx_wrap_bulk(struct ptlrpc_cli_ctx *ctx,
struct ptlrpc_request *req,
struct ptlrpc_bulk_desc *desc);
int gss_cli_ctx_unwrap_bulk(struct ptlrpc_cli_ctx *ctx,
struct ptlrpc_request *req,
struct ptlrpc_bulk_desc *desc);
+int gss_svc_prep_bulk(struct ptlrpc_request *req,
+ struct ptlrpc_bulk_desc *desc);
int gss_svc_unwrap_bulk(struct ptlrpc_request *req,
struct ptlrpc_bulk_desc *desc);
int gss_svc_wrap_bulk(struct ptlrpc_request *req,
int gss_svc_upcall_install_rvs_ctx(struct obd_import *imp,
struct gss_sec *gsec,
struct gss_cli_ctx *gctx);
+int gss_svc_upcall_expire_rvs_ctx(rawobj_t *handle);
+int gss_svc_upcall_dup_handle(rawobj_t *handle, struct gss_svc_ctx *ctx);
+int gss_svc_upcall_update_sequence(rawobj_t *handle, __u32 seq);
int gss_svc_upcall_handle_init(struct ptlrpc_request *req,
struct gss_svc_reqctx *grctx,
struct gss_wire_ctx *gw,
OBD_ALLOC(buf, bufsize);
if (!buf) {
- printk("DUMP ERROR: can't alloc %d bytes\n", bufsize);
+ CDEBUG(D_ERROR, "DUMP ERROR: can't alloc %d bytes\n", bufsize);
return;
}
for (i = 0; i < size; i++)
sprintf(&buf[i+i], "%02x", (__u8) p[i]);
buf[size + size] = '\0';
- printk("DUMP %s@%p(%d): %s\n", name, ptr, size, buf);
+ LCONSOLE_INFO("DUMP %s@%p(%d): %s\n", name, ptr, size, buf);
OBD_FREE(buf, bufsize);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff