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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | /* * linux/include/linux/gss_api.h * * 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 * * $Id$ */ #ifndef _LINUX_SUNRPC_GSS_API_H #define _LINUX_SUNRPC_GSS_API_H #ifdef __KERNEL__ #include <linux/sunrpc/xdr.h> #include <linux/uio.h> /* The mechanism-independent gss-api context: */ struct gss_ctx { struct gss_api_mech *mech_type; void *internal_ctx_id; }; #define GSS_C_NO_BUFFER ((struct xdr_netobj) 0) #define GSS_C_NO_CONTEXT ((struct gss_ctx *) 0) #define GSS_C_NULL_OID ((struct xdr_netobj) 0) /*XXX arbitrary length - is this set somewhere? */ #define GSS_OID_MAX_LEN 32 /* gss-api prototypes; note that these are somewhat simplified versions of * the prototypes specified in RFC 2744. */ int gss_import_sec_context( const void* input_token, size_t bufsize, struct gss_api_mech *mech, struct gss_ctx **ctx_id); u32 gss_get_mic( struct gss_ctx *ctx_id, u32 qop, struct xdr_buf *message, struct xdr_netobj *mic_token); u32 gss_verify_mic( struct gss_ctx *ctx_id, struct xdr_buf *message, struct xdr_netobj *mic_token, u32 *qstate); u32 gss_delete_sec_context( struct gss_ctx **ctx_id); u32 gss_pseudoflavor_to_service(struct gss_api_mech *, u32 pseudoflavor); char *gss_service_to_auth_domain_name(struct gss_api_mech *, u32 service); struct pf_desc { u32 pseudoflavor; u32 qop; u32 service; char *name; char *auth_domain_name; }; /* Different mechanisms (e.g., krb5 or spkm3) may implement gss-api, and * mechanisms may be dynamically registered or unregistered by modules. */ /* Each mechanism is described by the following struct: */ struct gss_api_mech { struct list_head gm_list; struct module *gm_owner; struct xdr_netobj gm_oid; char *gm_name; struct gss_api_ops *gm_ops; /* pseudoflavors supported by this mechanism: */ int gm_pf_num; struct pf_desc * gm_pfs; }; /* and must provide the following operations: */ struct gss_api_ops { int (*gss_import_sec_context)( const void *input_token, size_t bufsize, struct gss_ctx *ctx_id); u32 (*gss_get_mic)( struct gss_ctx *ctx_id, u32 qop, struct xdr_buf *message, struct xdr_netobj *mic_token); u32 (*gss_verify_mic)( struct gss_ctx *ctx_id, struct xdr_buf *message, struct xdr_netobj *mic_token, u32 *qstate); void (*gss_delete_sec_context)( void *internal_ctx_id); }; int gss_mech_register(struct gss_api_mech *); void gss_mech_unregister(struct gss_api_mech *); /* returns a mechanism descriptor given an OID, and increments the mechanism's * reference count. */ struct gss_api_mech * gss_mech_get_by_OID(struct xdr_netobj *); /* Returns a reference to a mechanism, given a name like "krb5" etc. */ struct gss_api_mech *gss_mech_get_by_name(const char *); /* Similar, but get by pseudoflavor. */ struct gss_api_mech *gss_mech_get_by_pseudoflavor(u32); /* Just increments the mechanism's reference count and returns its input: */ struct gss_api_mech * gss_mech_get(struct gss_api_mech *); /* For every succesful gss_mech_get or gss_mech_get_by_* call there must be a * corresponding call to gss_mech_put. */ void gss_mech_put(struct gss_api_mech *); #endif /* __KERNEL__ */ #endif /* _LINUX_SUNRPC_GSS_API_H */ |