diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/ptlrpc/gss/gss_api.h')
| -rw-r--r-- | drivers/staging/lustre/lustre/ptlrpc/gss/gss_api.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/ptlrpc/gss/gss_api.h b/drivers/staging/lustre/lustre/ptlrpc/gss/gss_api.h new file mode 100644 index 000000000000..feac60482c97 --- /dev/null +++ b/drivers/staging/lustre/lustre/ptlrpc/gss/gss_api.h @@ -0,0 +1,179 @@ +/* + * Modifications for Lustre + * + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. + * + * Author: Eric Mei <ericm@clusterfs.com> + */ + +/* + * Somewhat simplified version of the gss api. + * + * Dug Song <dugsong@monkey.org> + * Andy Adamson <andros@umich.edu> + * Bruce Fields <bfields@umich.edu> + * Copyright (c) 2000 The Regents of the University of Michigan + * + */ + +#ifndef __PTLRPC_GSS_GSS_API_H_ +#define __PTLRPC_GSS_GSS_API_H_ + +struct gss_api_mech; + +/* The mechanism-independent gss-api context: */ +struct gss_ctx { + struct gss_api_mech *mech_type; + void *internal_ctx_id; +}; + +#define GSS_C_NO_BUFFER ((rawobj_t) 0) +#define GSS_C_NO_CONTEXT ((struct gss_ctx *) 0) +#define GSS_C_NULL_OID ((rawobj_t) 0) + +/* + * gss-api prototypes; note that these are somewhat simplified versions of + * the prototypes specified in RFC 2744. + */ +__u32 lgss_import_sec_context( + rawobj_t *input_token, + struct gss_api_mech *mech, + struct gss_ctx **ctx); +__u32 lgss_copy_reverse_context( + struct gss_ctx *ctx, + struct gss_ctx **ctx_new); +__u32 lgss_inquire_context( + struct gss_ctx *ctx, + unsigned long *endtime); +__u32 lgss_get_mic( + struct gss_ctx *ctx, + int msgcnt, + rawobj_t *msgs, + int iovcnt, + lnet_kiov_t *iovs, + rawobj_t *mic_token); +__u32 lgss_verify_mic( + struct gss_ctx *ctx, + int msgcnt, + rawobj_t *msgs, + int iovcnt, + lnet_kiov_t *iovs, + rawobj_t *mic_token); +__u32 lgss_wrap( + struct gss_ctx *ctx, + rawobj_t *gsshdr, + rawobj_t *msg, + int msg_buflen, + rawobj_t *out_token); +__u32 lgss_unwrap( + struct gss_ctx *ctx, + rawobj_t *gsshdr, + rawobj_t *token, + rawobj_t *out_msg); +__u32 lgss_prep_bulk( + struct gss_ctx *gctx, + struct ptlrpc_bulk_desc *desc); +__u32 lgss_wrap_bulk( + struct gss_ctx *gctx, + struct ptlrpc_bulk_desc *desc, + rawobj_t *token, + int adj_nob); +__u32 lgss_unwrap_bulk( + struct gss_ctx *gctx, + struct ptlrpc_bulk_desc *desc, + rawobj_t *token, + int adj_nob); +__u32 lgss_delete_sec_context( + struct gss_ctx **ctx); +int lgss_display( + struct gss_ctx *ctx, + char *buf, + int bufsize); + +struct subflavor_desc { + __u32 sf_subflavor; + __u32 sf_qop; + __u32 sf_service; + char *sf_name; +}; + +/* Each mechanism is described by the following struct: */ +struct gss_api_mech { + struct list_head gm_list; + module_t *gm_owner; + char *gm_name; + rawobj_t gm_oid; + atomic_t gm_count; + struct gss_api_ops *gm_ops; + int gm_sf_num; + struct subflavor_desc *gm_sfs; +}; + +/* and must provide the following operations: */ +struct gss_api_ops { + __u32 (*gss_import_sec_context)( + rawobj_t *input_token, + struct gss_ctx *ctx); + __u32 (*gss_copy_reverse_context)( + struct gss_ctx *ctx, + struct gss_ctx *ctx_new); + __u32 (*gss_inquire_context)( + struct gss_ctx *ctx, + unsigned long *endtime); + __u32 (*gss_get_mic)( + struct gss_ctx *ctx, + int msgcnt, + rawobj_t *msgs, + int iovcnt, + lnet_kiov_t *iovs, + rawobj_t *mic_token); + __u32 (*gss_verify_mic)( + struct gss_ctx *ctx, + int msgcnt, + rawobj_t *msgs, + int iovcnt, + lnet_kiov_t *iovs, + rawobj_t *mic_token); + __u32 (*gss_wrap)( + struct gss_ctx *ctx, + rawobj_t *gsshdr, + rawobj_t *msg, + int msg_buflen, + rawobj_t *out_token); + __u32 (*gss_unwrap)( + struct gss_ctx *ctx, + rawobj_t *gsshdr, + rawobj_t *token, + rawobj_t *out_msg); + __u32 (*gss_prep_bulk)( + struct gss_ctx *gctx, + struct ptlrpc_bulk_desc *desc); + __u32 (*gss_wrap_bulk)( + struct gss_ctx *gctx, + struct ptlrpc_bulk_desc *desc, + rawobj_t *token, + int adj_nob); + __u32 (*gss_unwrap_bulk)( + struct gss_ctx *gctx, + struct ptlrpc_bulk_desc *desc, + rawobj_t *token, + int adj_nob); + void (*gss_delete_sec_context)( + void *ctx); + int (*gss_display)( + struct gss_ctx *ctx, + char *buf, + int bufsize); +}; + +int lgss_mech_register(struct gss_api_mech *mech); +void lgss_mech_unregister(struct gss_api_mech *mech); + +struct gss_api_mech * lgss_OID_to_mech(rawobj_t *oid); +struct gss_api_mech * lgss_name_to_mech(char *name); +struct gss_api_mech * lgss_subflavor_to_mech(__u32 subflavor); + +struct gss_api_mech * lgss_mech_get(struct gss_api_mech *mech); +void lgss_mech_put(struct gss_api_mech *mech); + +#endif /* __PTLRPC_GSS_GSS_API_H_ */ |