From 30de9e8300e97c4b56e29f5a3b08e4615b30606f Mon Sep 17 00:00:00 2001 From: Marin Hannache Date: Mon, 15 Jul 2013 17:56:29 +0200 Subject: [nfs] Add support for NFS protocol MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Tested-by: Robin Smidsrød Signed-off-by: Marin Hannache Signed-off-by: Michael Brown --- src/include/ipxe/oncrpc.h | 128 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 src/include/ipxe/oncrpc.h (limited to 'src/include/ipxe/oncrpc.h') diff --git a/src/include/ipxe/oncrpc.h b/src/include/ipxe/oncrpc.h new file mode 100644 index 0000000..76c1260 --- /dev/null +++ b/src/include/ipxe/oncrpc.h @@ -0,0 +1,128 @@ +#ifndef _IPXE_ONCRPC_H +#define _IPXE_ONCRPC_H + +#include +#include +#include + +/** @file + * + * SUN ONC RPC protocol. + * + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +/** ONC RCP Version */ +#define ONCRPC_VERS 2 + +/** ONC RPC Null Authentication */ +#define ONCRPC_AUTH_NONE 0 + +/** ONC RPC System Authentication (also called UNIX Authentication) */ +#define ONCRPC_AUTH_SYS 1 + +/** Size of an ONC RPC header */ +#define ONCRPC_HEADER_SIZE ( 11 * sizeof ( uint32_t ) ) + +#define ONCRPC_FIELD( type, value ) { oncrpc_ ## type, { .type = value } } +#define ONCRPC_SUBFIELD( type, args... ) \ + { oncrpc_ ## type, { .type = { args } } } + +#define ONCRPC_FIELD_END { oncrpc_none, { } } + +/** Enusure that size is a multiple of four */ +#define oncrpc_align( size ) ( ( (size) + 3 ) & ~3 ) + +/** + * Calculate the length of a string, including padding bytes. + * + * @v str String + * @ret size Length of the padded string + */ +#define oncrpc_strlen( str ) ( oncrpc_align ( strlen ( str ) ) + \ + sizeof ( uint32_t ) ) + +struct oncrpc_cred { + uint32_t flavor; + uint32_t length; +}; + +struct oncrpc_cred_sys { + struct oncrpc_cred credential; + uint32_t stamp; + char *hostname; + uint32_t uid; + uint32_t gid; + uint32_t aux_gid_len; + uint32_t aux_gid[16]; +}; + +struct oncrpc_reply +{ + struct oncrpc_cred *verifier; + uint32_t rpc_id; + uint32_t reply_state; + uint32_t accept_state; + uint32_t frame_size; + struct io_buffer *data; +}; + +struct oncrpc_session { + struct oncrpc_reply pending_reply; + struct oncrpc_cred *credential; + struct oncrpc_cred *verifier; + uint32_t rpc_id; + uint32_t prog_name; + uint32_t prog_vers; +}; + +enum oncrpc_field_type { + oncrpc_none = 0, + oncrpc_int32, + oncrpc_int64, + oncrpc_str, + oncrpc_array, + oncrpc_intarray, + oncrpc_cred, +}; + +union oncrpc_field_value { + struct { + size_t length; + const void *ptr; + } array; + + struct { + size_t length; + const uint32_t *ptr; + } intarray; + + int64_t int64; + int32_t int32; + const char *str; + const struct oncrpc_cred *cred; +}; + +struct oncrpc_field { + enum oncrpc_field_type type; + union oncrpc_field_value value; +}; + +extern struct oncrpc_cred oncrpc_auth_none; + +int oncrpc_init_cred_sys ( struct oncrpc_cred_sys *auth_sys ); +void oncrpc_init_session ( struct oncrpc_session *session, + struct oncrpc_cred *credential, + struct oncrpc_cred *verifier, uint32_t prog_name, + uint32_t prog_vers ); + +int oncrpc_call ( struct interface *intf, struct oncrpc_session *session, + uint32_t proc_name, const struct oncrpc_field fields[] ); + +size_t oncrpc_compute_size ( const struct oncrpc_field fields[] ); + +int oncrpc_get_reply ( struct oncrpc_session *session, + struct oncrpc_reply *reply, struct io_buffer *io_buf ); + +#endif /* _IPXE_ONCRPC_H */ -- cgit v1.1