diff options
Diffstat (limited to 'qemu/roms/ipxe/src/net/tcp/oncrpc.c')
| -rw-r--r-- | qemu/roms/ipxe/src/net/tcp/oncrpc.c | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/qemu/roms/ipxe/src/net/tcp/oncrpc.c b/qemu/roms/ipxe/src/net/tcp/oncrpc.c deleted file mode 100644 index 6469867e9..000000000 --- a/qemu/roms/ipxe/src/net/tcp/oncrpc.c +++ /dev/null @@ -1,250 +0,0 @@ -/* - * Copyright (C) 2013 Marin Hannache <ipxe@mareo.fr>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include <stdint.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <assert.h> -#include <errno.h> -#include <byteswap.h> -#include <ipxe/socket.h> -#include <ipxe/tcpip.h> -#include <ipxe/in.h> -#include <ipxe/iobuf.h> -#include <ipxe/dhcp.h> -#include <ipxe/xfer.h> -#include <ipxe/open.h> -#include <ipxe/uri.h> -#include <ipxe/features.h> -#include <ipxe/oncrpc.h> -#include <ipxe/oncrpc_iob.h> -#include <ipxe/init.h> -#include <ipxe/settings.h> -#include <ipxe/version.h> - -/** @file - * - * SUN ONC RPC protocol - * - */ - -/** Set most significant bit to 1. */ -#define SET_LAST_FRAME( x ) ( (x) | 1 << 31 ) -#define GET_FRAME_SIZE( x ) ( (x) & ~( 1 << 31 ) ) - -#define ONCRPC_CALL 0 -#define ONCRPC_REPLY 1 - -/** AUTH NONE authentication flavor */ -struct oncrpc_cred oncrpc_auth_none = { - .flavor = ONCRPC_AUTH_NONE, - .length = 0 -}; - -const struct setting uid_setting __setting ( SETTING_AUTH, uid ) = { - .name = "uid", - .description = "User ID", - .tag = DHCP_EB_UID, - .type = &setting_type_uint32 -}; - -const struct setting gid_setting __setting ( SETTING_AUTH, gid ) = { - .name = "gid", - .description = "Group ID", - .tag = DHCP_EB_GID, - .type = &setting_type_uint32 -}; - -/** - * Initialize an ONC RPC AUTH SYS credential structure - * - * @v auth_sys The structure to initialize - * - * The hostname field is filled with the value of the hostname setting, if the - * hostname setting is empty, PRODUCT_SHORT_NAME (usually "iPXE") is used - * instead. - */ -int oncrpc_init_cred_sys ( struct oncrpc_cred_sys *auth_sys ) { - if ( ! auth_sys ) - return -EINVAL; - - fetch_string_setting_copy ( NULL, &hostname_setting, - &auth_sys->hostname ); - if ( ! auth_sys->hostname ) - if ( ! ( auth_sys->hostname = strdup ( product_short_name ) ) ) - return -ENOMEM; - - auth_sys->uid = fetch_uintz_setting ( NULL, &uid_setting ); - auth_sys->gid = fetch_uintz_setting ( NULL, &uid_setting ); - auth_sys->aux_gid_len = 0; - auth_sys->stamp = 0; - - auth_sys->credential.flavor = ONCRPC_AUTH_SYS; - auth_sys->credential.length = 16 + - oncrpc_strlen ( auth_sys->hostname ); - - return 0; -} - -/** - * Prepare an ONC RPC session structure to be used by the ONC RPC layer - * - * @v session ONC RPC session - * @v credential Credential structure pointer - * @v verifier Verifier structure pointer - * @v prog_name ONC RPC program number - * @v prog_vers ONC RPC program version number - */ -void oncrpc_init_session ( struct oncrpc_session *session, - struct oncrpc_cred *credential, - struct oncrpc_cred *verifier, uint32_t prog_name, - uint32_t prog_vers ) { - if ( ! session ) - return; - - session->rpc_id = rand(); - session->credential = credential; - session->verifier = verifier; - session->prog_name = prog_name; - session->prog_vers = prog_vers; -} - -int oncrpc_call ( struct interface *intf, struct oncrpc_session *session, - uint32_t proc_name, const struct oncrpc_field fields[] ) { - int rc; - size_t frame_size; - struct io_buffer *io_buf; - - if ( ! session ) - return -EINVAL; - - struct oncrpc_field header[] = { - ONCRPC_FIELD ( int32, 0 ), - ONCRPC_FIELD ( int32, ++session->rpc_id ), - ONCRPC_FIELD ( int32, ONCRPC_CALL ), - ONCRPC_FIELD ( int32, ONCRPC_VERS ), - ONCRPC_FIELD ( int32, session->prog_name ), - ONCRPC_FIELD ( int32, session->prog_vers ), - ONCRPC_FIELD ( int32, proc_name ), - ONCRPC_FIELD ( cred, session->credential ), - ONCRPC_FIELD ( cred, session->verifier ), - ONCRPC_FIELD_END, - }; - - frame_size = oncrpc_compute_size ( header ); - frame_size += oncrpc_compute_size ( fields ); - - io_buf = alloc_iob ( frame_size ); - if ( ! io_buf ) - return -ENOBUFS; - - header[0].value.int32 = SET_LAST_FRAME ( frame_size - - sizeof ( uint32_t ) ); - - oncrpc_iob_add_fields ( io_buf, header ); - oncrpc_iob_add_fields ( io_buf, fields ); - - rc = xfer_deliver_iob ( intf, io_buf ); - if ( rc != 0 ) - free_iob ( io_buf ); - - return rc; -} - -size_t oncrpc_compute_size ( const struct oncrpc_field fields[] ) { - - size_t i; - size_t size = 0; - - for ( i = 0; fields[i].type != oncrpc_none; i++ ) { - switch ( fields[i].type ) { - case oncrpc_int32: - size += sizeof ( uint32_t ); - break; - - case oncrpc_int64: - size += sizeof ( uint64_t ); - break; - - case oncrpc_str: - size += oncrpc_strlen ( fields[i].value.str ); - break; - - case oncrpc_array: - size += oncrpc_align ( fields[i].value.array.length ); - size += sizeof ( uint32_t ); - break; - - case oncrpc_intarray: - size += sizeof ( uint32_t ) * - fields[i].value.intarray.length; - size += sizeof ( uint32_t ); - break; - - case oncrpc_cred: - size += fields[i].value.cred->length; - size += 2 * sizeof ( uint32_t ); - break; - - default: - return size; - } - } - - return size; -} - -/** - * Parse an I/O buffer to extract a ONC RPC REPLY - * @v session ONC RPC session - * @v reply Reply structure where data will be saved - * @v io_buf I/O buffer - */ -int oncrpc_get_reply ( struct oncrpc_session *session __unused, - struct oncrpc_reply *reply, struct io_buffer *io_buf ) { - if ( ! reply || ! io_buf ) - return -EINVAL; - - reply->frame_size = GET_FRAME_SIZE ( oncrpc_iob_get_int ( io_buf ) ); - reply->rpc_id = oncrpc_iob_get_int ( io_buf ); - - /* iPXE has no support for handling ONC RPC call */ - if ( oncrpc_iob_get_int ( io_buf ) != ONCRPC_REPLY ) - return -ENOSYS; - - reply->reply_state = oncrpc_iob_get_int ( io_buf ); - - if ( reply->reply_state == 0 ) - { - /* verifier.flavor */ - oncrpc_iob_get_int ( io_buf ); - /* verifier.length */ - iob_pull ( io_buf, oncrpc_iob_get_int ( io_buf )); - - /* We don't use the verifier in iPXE, let it be an empty - verifier. */ - reply->verifier = &oncrpc_auth_none; - } - - reply->accept_state = oncrpc_iob_get_int ( io_buf ); - reply->data = io_buf; - - return 0; -} |