SRCDIRS :=
SRCDIRS += libgcc
SRCDIRS += core
-SRCDIRS += net net/tcp net/udp net/infiniband net/80211
+SRCDIRS += net net/oncrpc net/tcp net/udp net/infiniband net/80211
SRCDIRS += image
SRCDIRS += drivers/bus
SRCDIRS += drivers/net
#ifdef DOWNLOAD_PROTO_FTP
REQUIRE_OBJECT ( ftp );
#endif
+#ifdef DOWNLOAD_PROTO_NFS
+REQUIRE_OBJECT ( nfs_open );
+#endif
#ifdef DOWNLOAD_PROTO_SLAM
REQUIRE_OBJECT ( slam );
#endif
#undef DOWNLOAD_PROTO_HTTPS /* Secure Hypertext Transfer Protocol */
#undef DOWNLOAD_PROTO_FTP /* File Transfer Protocol */
#undef DOWNLOAD_PROTO_SLAM /* Scalable Local Area Multicast */
+#undef DOWNLOAD_PROTO_NFS /* Network File System Protocol */
/*
* SAN boot protocols
#ifndef ETHERBOOT_BIG_BSWAP_H
#define ETHERBOOT_BIG_BSWAP_H
+#define htonll(x) (x)
+#define ntohll(x) (x)
#define ntohl(x) (x)
#define htonl(x) (x)
#define ntohs(x) (x)
*/
#define DHCP_EB_REVERSE_PASSWORD DHCP_ENCAP_OPT ( DHCP_EB_ENCAP, 0xc1 )
+/** User ID
+ *
+ * This will be used as the user id for AUTH_SYS based authentication in NFS.
+ */
+#define DHCP_EB_UID DHCP_ENCAP_OPT ( DHCP_EB_ENCAP, 0xc2 )
+
+/** Group ID
+ *
+ * This will be used as the group id for AUTH_SYS based authentication in NFS.
+ */
+#define DHCP_EB_GID DHCP_ENCAP_OPT ( DHCP_EB_ENCAP, 0xc3 )
+
/** iPXE version number */
#define DHCP_EB_VERSION DHCP_ENCAP_OPT ( DHCP_EB_ENCAP, 0xeb )
#define ERRFILE_fcoe ( ERRFILE_NET | 0x002e0000 )
#define ERRFILE_fcns ( ERRFILE_NET | 0x002f0000 )
#define ERRFILE_vlan ( ERRFILE_NET | 0x00300000 )
+#define ERRFILE_oncrpc ( ERRFILE_NET | 0x00310000 )
+#define ERRFILE_portmap ( ERRFILE_NET | 0x00320000 )
+#define ERRFILE_nfs ( ERRFILE_NET | 0x00330000 )
+#define ERRFILE_nfs_open ( ERRFILE_NET | 0x00340000 )
+#define ERRFILE_mount ( ERRFILE_NET | 0x00350000 )
+#define ERRFILE_oncrpc_iob ( ERRFILE_NET | 0x00360000 )
#define ERRFILE_image ( ERRFILE_IMAGE | 0x00000000 )
#define ERRFILE_elf ( ERRFILE_IMAGE | 0x00010000 )
#define DHCP_EB_FEATURE_VLAN 0x26 /**< VLAN support */
#define DHCP_EB_FEATURE_MENU 0x27 /**< Menu support */
#define DHCP_EB_FEATURE_SDI 0x28 /**< SDI image support */
+#define DHCP_EB_FEATURE_NFS 0x29 /**< NFS protocol */
/** @} */
--- /dev/null
+#ifndef _IPXE_MOUNT_H
+#define _IPXE_MOUNT_H
+
+#include <ipxe/nfs.h>
+
+/** @file
+ *
+ * NFS MOUNT protocol.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** NFS MOUNT protocol number */
+#define ONCRPC_MOUNT 100005
+/** NFS MOUNT protocol version */
+#define MOUNT_VERS 3
+
+
+/** No error */
+#define MNT3_OK 0
+/** Not owner */
+#define MNT3ERR_PERM 1
+/** No such file or directory */
+#define MNT3ERR_NOENT 2
+/** I/O error */
+#define MNT3ERR_IO 5
+/** Permission denied */
+#define MNT3ERR_ACCES 13
+/** Not a directory */
+#define MNT3ERR_NOTDIR 20
+/** Invalid argument */
+#define MNT3ERR_INVAL 22
+/** Filename too long */
+#define MNT3ERR_NAMETOOLONG 63
+/** Operation not supported */
+#define MNT3ERR_NOTSUPP 10004
+/** A failure on the server */
+#define MNT3ERR_SERVERFAULT 10006
+
+
+/**
+ * A MOUNT MNT reply
+ *
+ */
+struct mount_mnt_reply {
+ /** Reply status */
+ uint32_t status;
+ /** Root file handle */
+ struct nfs_fh fh;
+};
+
+/**
+ * Prepare an ONC RPC session to be used as a MOUNT session
+ *
+ * @v session ONC RPC session
+ * @v credential ONC RPC credential
+ *
+ * The credential parameter must not be NULL, use 'oncrpc_auth_none' if you
+ * don't want a particular scheme to be used.
+ */
+static inline void mount_init_session ( struct oncrpc_session *session,
+ struct oncrpc_cred *credential ) {
+ oncrpc_init_session ( session, credential, &oncrpc_auth_none,
+ ONCRPC_MOUNT, MOUNT_VERS );
+}
+
+int mount_mnt ( struct interface *intf, struct oncrpc_session *session,
+ const char *mountpoint );
+int mount_umnt ( struct interface *intf, struct oncrpc_session *session,
+ const char *mountpoint );
+
+int mount_get_mnt_reply ( struct mount_mnt_reply *mnt_reply,
+ struct oncrpc_reply *reply );
+
+#endif /* _IPXE_MOUNT_H */
--- /dev/null
+#ifndef _IPXE_NFS_H
+#define _IPXE_NFS_H
+
+#include <stdint.h>
+#include <ipxe/oncrpc.h>
+
+/** @file
+ *
+ * Network File System protocol.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** NFS protocol number */
+#define ONCRPC_NFS 100003
+
+/** NFS protocol version */
+#define NFS_VERS 3
+
+/** No error*/
+#define NFS3_OK 0
+/** Not owner */
+#define NFS3ERR_PERM 1
+/** No such file or directory */
+#define NFS3ERR_NOENT 2
+/** I/O error */
+#define NFS3ERR_IO 5
+/** No such device or address */
+#define NFS3ERR_NXIO 6
+/** Permission denied */
+#define NFS3ERR_ACCES 13
+/** The file specified already exists */
+#define NFS3ERR_EXIST 17
+/** Attempt to do a cross-device hard link */
+#define NFS3ERR_XDEV 18
+/** No such device */
+#define NFS3ERR_NODEV 19
+/** Not a directory */
+#define NFS3ERR_NOTDIR 20
+ /**Is a directory */
+#define NFS3ERR_ISDIR 21
+/** Invalid argument */
+#define NFS3ERR_INVAL 22
+/** Filename too long */
+#define NFS3ERR_NAMETOOLONG 63
+/** Invalid file handle */
+#define NFS3ERR_STALE 70
+/** Too many levels of remote in path */
+#define NFS3ERR_REMOTE 71
+/** Illegal NFS file handle */
+#define NFS3ERR_BADHANDLE 10001
+/** READDIR or READDIRPLUS cookie is stale */
+#define NFS3ERR_BAD_COOKIE 10003
+/** Operation not supported */
+#define NFS3ERR_NOTSUPP 10004
+/** Buffer or request is too small */
+#define NFS3ERR_TOOSMALL 10005
+/** An error occurred on the server which does not map to any of the legal NFS
+ * version 3 protocol error values */
+#define NFS3ERR_SERVERFAULT 10006
+/** The server initiated the request, but was not able to complete it in a
+ * timely fashion */
+#define NFS3ERR_JUKEBOX 10008
+
+enum nfs_attr_type {
+ NFS_ATTR_SYMLINK = 5,
+};
+
+/**
+ * A NFS file handle
+ *
+ */
+struct nfs_fh {
+ uint8_t fh[64];
+ size_t size;
+};
+
+/**
+ * A NFS LOOKUP reply
+ *
+ */
+struct nfs_lookup_reply {
+ /** Reply status */
+ uint32_t status;
+ /** Entity type */
+ enum nfs_attr_type ent_type;
+ /** File handle */
+ struct nfs_fh fh;
+};
+
+/**
+ * A NFS READLINK reply
+ *
+ */
+struct nfs_readlink_reply {
+ /** Reply status */
+ uint32_t status;
+ /** File path length */
+ uint32_t path_len;
+ /** File path */
+ char *path;
+};
+
+
+/**
+ * A NFS READ reply
+ *
+ */
+struct nfs_read_reply {
+ /** Reply status */
+ uint32_t status;
+ /** File size */
+ uint64_t filesize;
+ /** Bytes read */
+ uint32_t count;
+ /** End-of-File indicator */
+ uint32_t eof;
+ /** Data length */
+ uint32_t data_len;
+ /** Data read */
+ void *data;
+};
+
+size_t nfs_iob_get_fh ( struct io_buffer *io_buf, struct nfs_fh *fh );
+size_t nfs_iob_add_fh ( struct io_buffer *io_buf, const struct nfs_fh *fh );
+
+/**
+ * Prepare an ONC RPC session to be used as a NFS session
+ *
+ * @v session ONC RPC session
+ * @v credential ONC RPC credential
+ *
+ * The credential parameter must not be NULL, use 'oncrpc_auth_none' if you
+ * don't want a particular scheme to be used.
+ */
+static inline void nfs_init_session ( struct oncrpc_session *session,
+ struct oncrpc_cred *credential ) {
+ oncrpc_init_session ( session, credential, &oncrpc_auth_none,
+ ONCRPC_NFS, NFS_VERS );
+}
+
+int nfs_lookup ( struct interface *intf, struct oncrpc_session *session,
+ const struct nfs_fh *fh, const char *filename );
+int nfs_readlink ( struct interface *intf, struct oncrpc_session *session,
+ const struct nfs_fh *fh );
+int nfs_read ( struct interface *intf, struct oncrpc_session *session,
+ const struct nfs_fh *fh, uint64_t offset, uint32_t count );
+
+int nfs_get_lookup_reply ( struct nfs_lookup_reply *lookup_reply,
+ struct oncrpc_reply *reply );
+int nfs_get_readlink_reply ( struct nfs_readlink_reply *readlink_reply,
+ struct oncrpc_reply *reply );
+int nfs_get_read_reply ( struct nfs_read_reply *read_reply,
+ struct oncrpc_reply *reply );
+
+#endif /* _IPXE_NFS_H */
--- /dev/null
+#ifndef _IPXE_NFS_OPEN_H
+#define _IPXE_NFS_OPEN_H
+
+/** @file
+ *
+ * Network File System protocol.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#endif /* _IPXE_NFS_OPEN_H */
--- /dev/null
+#ifndef _IPXE_ONCRPC_H
+#define _IPXE_ONCRPC_H
+
+#include <stdint.h>
+#include <ipxe/interface.h>
+#include <ipxe/iobuf.h>
+
+/** @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 */
--- /dev/null
+#ifndef _IPXE_ONCRPC_IOB_H
+#define _IPXE_ONCRPC_IOB_H
+
+#include <stdint.h>
+#include <string.h>
+#include <ipxe/iobuf.h>
+#include <ipxe/refcnt.h>
+#include <ipxe/oncrpc.h>
+
+/** @file
+ *
+ * SUN ONC RPC protocol.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/**
+ * Add a string to the end of an I/O buffer
+ *
+ * @v io_buf I/O buffer
+ * @v val String
+ * @ret size Size of the data written
+ */
+#define oncrpc_iob_add_string( buf, str ) \
+( { \
+ const char * _str = (str); \
+ oncrpc_iob_add_array ( (buf), strlen ( _str ), _str ); \
+} )
+
+/**
+ * Get a 32 bits integer from the beginning of an I/O buffer
+ *
+ * @v buf I/O buffer
+ * @ret int Integer
+ */
+
+#define oncrpc_iob_get_int( buf ) \
+( { \
+ uint32_t *_val; \
+ _val = (buf)->data; \
+ iob_pull ( (buf), sizeof ( uint32_t ) ); \
+ ntohl ( *_val ); \
+} )
+
+/**
+ * Get a 64 bits integer from the beginning of an I/O buffer
+ *
+ * @v buf I/O buffer
+ * @ret int Integer
+ */
+#define oncrpc_iob_get_int64( buf ) \
+( { \
+ uint64_t *_val; \
+ _val = (buf)->data; \
+ iob_pull ( (buf), sizeof ( uint64_t ) ); \
+ ntohll ( *_val ); \
+} )
+
+
+size_t oncrpc_iob_add_fields ( struct io_buffer *io_buf,
+ const struct oncrpc_field fields[] );
+
+size_t oncrpc_iob_add_array ( struct io_buffer *io_buf, size_t length,
+ const void *data );
+
+size_t oncrpc_iob_add_intarray ( struct io_buffer *io_buf, size_t length,
+ const uint32_t *array );
+
+size_t oncrpc_iob_add_cred ( struct io_buffer *io_buf,
+ const struct oncrpc_cred *cred );
+
+size_t oncrpc_iob_get_cred ( struct io_buffer *io_buf,
+ struct oncrpc_cred *cred );
+
+/**
+ * Add a 32 bits integer to the end of an I/O buffer
+ *
+ * @v io_buf I/O buffer
+ * @v val Integer
+ * @ret size Size of the data written
+ */
+static inline size_t oncrpc_iob_add_int ( struct io_buffer *io_buf,
+ uint32_t val ) {
+ * ( uint32_t * ) iob_put ( io_buf, sizeof ( val ) ) = htonl ( val );
+ return ( sizeof ( val) );
+}
+
+/**
+ * Add a 64 bits integer to the end of an I/O buffer
+ *
+ * @v io_buf I/O buffer
+ * @v val Integer
+ * @ret size Size of the data written
+ */
+static inline size_t oncrpc_iob_add_int64 ( struct io_buffer *io_buf,
+ uint64_t val ) {
+ * ( uint64_t * ) iob_put ( io_buf, sizeof ( val ) ) = htonll ( val );
+ return ( sizeof ( val) );
+}
+
+#endif /* _IPXE_ONCRPC_IOB_H */
--- /dev/null
+#ifndef _IPXE_PORTMAP_H
+#define _IPXE_PORTMAP_H
+
+#include <stdint.h>
+#include <ipxe/oncrpc.h>
+
+/** @file
+ *
+ * SUN ONC RPC protocol.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** PORTMAP default port */
+#define PORTMAP_PORT 111
+
+/** PORTMAP protocol number */
+#define ONCRPC_PORTMAP 100000
+
+/** PORTMAP version */
+#define PORTMAP_VERS 2
+
+
+/** TCP protocol number */
+#define PORTMAP_PROTO_TCP 6
+/** UDB protocol number */
+#define PORTMAP_PROTO_UDP 17
+
+
+/**
+ * A PORTMAP GETPORT reply
+ *
+ */
+struct portmap_getport_reply {
+ /** Port returned */
+ uint32_t port;
+};
+
+
+/**
+ * Prepare an ONC RPC session to be used as a PORTMAP session
+ *
+ * @v session ONC RPC session
+ * @v credential ONC RPC credential
+ *
+ * The credential parameter must not be NULL, use 'oncrpc_auth_none' if you
+ * don't want a particular scheme to be used.
+ */
+static inline void portmap_init_session ( struct oncrpc_session *session,
+ struct oncrpc_cred *credential) {
+ oncrpc_init_session ( session, credential, &oncrpc_auth_none,
+ ONCRPC_PORTMAP, PORTMAP_VERS );
+}
+
+
+int portmap_getport ( struct interface *intf, struct oncrpc_session *session,
+ uint32_t prog, uint32_t vers, uint32_t proto );
+int portmap_get_getport_reply ( struct portmap_getport_reply *getport_reply,
+ struct oncrpc_reply *reply );
+
+
+#endif /* _IPXE_PORTMAP_H */
* Note that this is a separate concept from a URI with an absolute
* path.
*/
-static inline int uri_is_absolute ( struct uri *uri ) {
+static inline int uri_is_absolute ( const struct uri *uri ) {
return ( uri->scheme != NULL );
}
+/**
+ * URI has an opaque part
+ *
+ * @v uri URI
+ * @ret has_opaque URI has an opaque part
+ */
+static inline int uri_has_opaque ( const struct uri *uri ) {
+ return ( uri->opaque && ( uri->opaque[0] != '\0' ) );
+
+}
/**
* URI has a path
*
* @v uri URI
* @ret has_path URI has a path
*/
-static inline int uri_has_path ( struct uri *uri ) {
+static inline int uri_has_path ( const struct uri *uri ) {
return ( uri->path && ( uri->path[0] != '\0' ) );
}
* concept from an absolute URI. Note also that a URI may not have a
* path at all.
*/
-static inline int uri_has_absolute_path ( struct uri *uri ) {
+static inline int uri_has_absolute_path ( const struct uri *uri ) {
return ( uri->path && ( uri->path[0] == '/' ) );
}
* this is a separate concept from a relative URI. Note also that a
* URI may not have a path at all.
*/
-static inline int uri_has_relative_path ( struct uri *uri ) {
+static inline int uri_has_relative_path ( const struct uri *uri ) {
return ( uri->path && ( uri->path[0] != '/' ) );
}
FILE_LICENCE ( GPL2_OR_LATER );
+#define htonll(x) __bswap_64(x)
+#define ntohll(x) __bswap_64(x)
#define ntohl(x) __bswap_32(x)
#define htonl(x) __bswap_32(x)
#define ntohs(x) __bswap_16(x)
--- /dev/null
+/*
+ * 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 <libgen.h>
+#include <byteswap.h>
+#include <ipxe/time.h>
+#include <ipxe/iobuf.h>
+#include <ipxe/open.h>
+#include <ipxe/features.h>
+#include <ipxe/oncrpc.h>
+#include <ipxe/oncrpc_iob.h>
+#include <ipxe/nfs.h>
+#include <ipxe/mount.h>
+
+/** @file
+ *
+ * NFS MOUNT protocol
+ *
+ */
+
+/** MNT procedure number */
+#define MOUNT_MNT 1
+/** UMNT procedure number */
+#define MOUNT_UMNT 3
+
+/**
+ * Send a MNT request
+ *
+ * @v intf Interface to send the request on
+ * @v session ONC RPC session
+ * @v mountpoinrt The path of the directory to mount.
+ * @ret rc Return status code
+ */
+int mount_mnt ( struct interface *intf, struct oncrpc_session *session,
+ const char *mountpoint ) {
+ struct oncrpc_field fields[] = {
+ ONCRPC_FIELD ( str, mountpoint ),
+ ONCRPC_FIELD_END,
+ };
+
+ return oncrpc_call ( intf, session, MOUNT_MNT, fields );
+}
+
+/**
+ * Send a UMNT request
+ *
+ * @v intf Interface to send the request on
+ * @v session ONC RPC session
+ * @v mountpoinrt The path of the directory to unmount.
+ * @ret rc Return status code
+ */
+int mount_umnt ( struct interface *intf, struct oncrpc_session *session,
+ const char *mountpoint ) {
+ struct oncrpc_field fields[] = {
+ ONCRPC_FIELD ( str, mountpoint ),
+ ONCRPC_FIELD_END,
+ };
+
+ return oncrpc_call ( intf, session, MOUNT_UMNT, fields );
+}
+
+/**
+ * Parse an MNT reply
+ *
+ * @v mnt_reply A structure where the data will be saved
+ * @v reply The ONC RPC reply to get data from
+ * @ret rc Return status code
+ */
+int mount_get_mnt_reply ( struct mount_mnt_reply *mnt_reply,
+ struct oncrpc_reply *reply ) {
+ if ( ! mnt_reply || ! reply )
+ return -EINVAL;
+
+ mnt_reply->status = oncrpc_iob_get_int ( reply->data );
+
+ switch ( mnt_reply->status )
+ {
+ case MNT3_OK:
+ break;
+ case MNT3ERR_NOENT:
+ return -ENOENT;
+ case MNT3ERR_IO:
+ return -EIO;
+ case MNT3ERR_ACCES:
+ return -EACCES;
+ case MNT3ERR_NOTDIR:
+ return -ENOTDIR;
+ case MNT3ERR_NAMETOOLONG:
+ return -ENAMETOOLONG;
+ default:
+ return -EPROTO;
+ }
+
+ nfs_iob_get_fh ( reply->data, &mnt_reply->fh );
+
+ return 0;
+}
--- /dev/null
+/*
+ * 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 <libgen.h>
+#include <byteswap.h>
+#include <ipxe/time.h>
+#include <ipxe/iobuf.h>
+#include <ipxe/open.h>
+#include <ipxe/features.h>
+#include <ipxe/nfs.h>
+#include <ipxe/oncrpc.h>
+#include <ipxe/oncrpc_iob.h>
+#include <ipxe/portmap.h>
+#include <ipxe/mount.h>
+#include <ipxe/settings.h>
+
+/** @file
+ *
+ * Network File System protocol
+ *
+ */
+
+/** NFS LOOKUP procedure */
+#define NFS_LOOKUP 3
+/** NFS READLINK procedure */
+#define NFS_READLINK 5
+/** NFS READ procedure */
+#define NFS_READ 6
+
+/**
+ * Extract a file handle from the beginning of an I/O buffer
+ *
+ * @v io_buf I/O buffer
+ * @v fh File handle
+ * @ret size Size of the data read
+ */
+size_t nfs_iob_get_fh ( struct io_buffer *io_buf, struct nfs_fh *fh ) {
+ fh->size = oncrpc_iob_get_int ( io_buf );
+
+ if ( fh->size > 64 )
+ return sizeof ( uint32_t );
+
+ memcpy (fh->fh, io_buf->data, fh->size );
+ iob_pull ( io_buf, fh->size );
+
+ return fh->size + sizeof ( uint32_t );
+}
+
+/**
+ * Add a file handle to the end of an I/O buffer
+ *
+ * @v io_buf I/O buffer
+ * @v fh File handle
+ * @ret size Size of the data written
+ */
+size_t nfs_iob_add_fh ( struct io_buffer *io_buf, const struct nfs_fh *fh ) {
+ size_t s;
+
+ s = oncrpc_iob_add_int ( io_buf, fh->size );
+ memcpy ( iob_put ( io_buf, fh->size ), &fh->fh, fh->size );
+
+ return s + fh->size;
+}
+
+/**
+ * Send a LOOKUP request
+ *
+ * @v intf Interface to send the request on
+ * @v session ONC RPC session
+ * @v fh The file handle of the the directory
+ * @v filename The file name
+ * @ret rc Return status code
+ */
+int nfs_lookup ( struct interface *intf, struct oncrpc_session *session,
+ const struct nfs_fh *fh, const char *filename ) {
+ struct oncrpc_field fields[] = {
+ ONCRPC_SUBFIELD ( array, fh->size, &fh->fh ),
+ ONCRPC_FIELD ( str, filename ),
+ ONCRPC_FIELD_END,
+ };
+
+ return oncrpc_call ( intf, session, NFS_LOOKUP, fields );
+}
+
+/**
+ * Send a READLINK request
+ *
+ * @v intf Interface to send the request on
+ * @v session ONC RPC session
+ * @v fh The symlink file handle
+ * @ret rc Return status code
+ */
+int nfs_readlink ( struct interface *intf, struct oncrpc_session *session,
+ const struct nfs_fh *fh ) {
+ struct oncrpc_field fields[] = {
+ ONCRPC_SUBFIELD ( array, fh->size, &fh->fh ),
+ ONCRPC_FIELD_END,
+ };
+
+ return oncrpc_call ( intf, session, NFS_READLINK, fields );
+}
+
+/**
+ * Send a READ request
+ *
+ * @v intf Interface to send the request on
+ * @v session ONC RPC session
+ * @v fh The file handle
+ * @v offset Offset
+ * @v count Byte count
+ * @ret rc Return status code
+ */
+int nfs_read ( struct interface *intf, struct oncrpc_session *session,
+ const struct nfs_fh *fh, uint64_t offset, uint32_t count ) {
+ struct oncrpc_field fields[] = {
+ ONCRPC_SUBFIELD ( array, fh->size, &fh->fh ),
+ ONCRPC_FIELD ( int64, offset ),
+ ONCRPC_FIELD ( int32, count ),
+ ONCRPC_FIELD_END,
+ };
+
+ return oncrpc_call ( intf, session, NFS_READ, fields );
+}
+
+/**
+ * Parse a LOOKUP reply
+ *
+ * @v lookup_reply A structure where the data will be saved
+ * @v reply The ONC RPC reply to get data from
+ * @ret rc Return status code
+ */
+int nfs_get_lookup_reply ( struct nfs_lookup_reply *lookup_reply,
+ struct oncrpc_reply *reply ) {
+ if ( ! lookup_reply || ! reply )
+ return -EINVAL;
+
+ lookup_reply->status = oncrpc_iob_get_int ( reply->data );
+ switch ( lookup_reply->status )
+ {
+ case NFS3_OK:
+ break;
+ case NFS3ERR_PERM:
+ return -EPERM;
+ case NFS3ERR_NOENT:
+ return -ENOENT;
+ case NFS3ERR_IO:
+ return -EIO;
+ case NFS3ERR_ACCES:
+ return -EACCES;
+ case NFS3ERR_NOTDIR:
+ return -ENOTDIR;
+ case NFS3ERR_NAMETOOLONG:
+ return -ENAMETOOLONG;
+ case NFS3ERR_STALE:
+ return -ESTALE;
+ case NFS3ERR_BADHANDLE:
+ case NFS3ERR_SERVERFAULT:
+ default:
+ return -EPROTO;
+ }
+
+ nfs_iob_get_fh ( reply->data, &lookup_reply->fh );
+
+ if ( oncrpc_iob_get_int ( reply->data ) == 1 )
+ lookup_reply->ent_type = oncrpc_iob_get_int ( reply->data );
+
+ return 0;
+}
+/**
+ * Parse a READLINK reply
+ *
+ * @v readlink_reply A structure where the data will be saved
+ * @v reply The ONC RPC reply to get data from
+ * @ret rc Return status code
+ */
+int nfs_get_readlink_reply ( struct nfs_readlink_reply *readlink_reply,
+ struct oncrpc_reply *reply ) {
+ if ( ! readlink_reply || ! reply )
+ return -EINVAL;
+
+ readlink_reply->status = oncrpc_iob_get_int ( reply->data );
+ switch ( readlink_reply->status )
+ {
+ case NFS3_OK:
+ break;
+ case NFS3ERR_IO:
+ return -EIO;
+ case NFS3ERR_ACCES:
+ return -EACCES;
+ case NFS3ERR_INVAL:
+ return -EINVAL;
+ case NFS3ERR_NOTSUPP:
+ return -ENOTSUP;
+ case NFS3ERR_STALE:
+ return -ESTALE;
+ case NFS3ERR_BADHANDLE:
+ case NFS3ERR_SERVERFAULT:
+ default:
+ return -EPROTO;
+ }
+
+ if ( oncrpc_iob_get_int ( reply->data ) == 1 )
+ iob_pull ( reply->data, 5 * sizeof ( uint32_t ) +
+ 8 * sizeof ( uint64_t ) );
+
+ readlink_reply->path_len = oncrpc_iob_get_int ( reply->data );
+ readlink_reply->path = reply->data->data;
+
+ return 0;
+}
+
+/**
+ * Parse a READ reply
+ *
+ * @v read_reply A structure where the data will be saved
+ * @v reply The ONC RPC reply to get data from
+ * @ret rc Return status code
+ */
+int nfs_get_read_reply ( struct nfs_read_reply *read_reply,
+ struct oncrpc_reply *reply ) {
+ if ( ! read_reply || ! reply )
+ return -EINVAL;
+
+ read_reply->status = oncrpc_iob_get_int ( reply->data );
+ switch ( read_reply->status )
+ {
+ case NFS3_OK:
+ break;
+ case NFS3ERR_PERM:
+ return -EPERM;
+ case NFS3ERR_NOENT:
+ return -ENOENT;
+ case NFS3ERR_IO:
+ return -EIO;
+ case NFS3ERR_NXIO:
+ return -ENXIO;
+ case NFS3ERR_ACCES:
+ return -EACCES;
+ case NFS3ERR_INVAL:
+ return -EINVAL;
+ case NFS3ERR_STALE:
+ return -ESTALE;
+ case NFS3ERR_BADHANDLE:
+ case NFS3ERR_SERVERFAULT:
+ default:
+ return -EPROTO;
+ }
+
+ if ( oncrpc_iob_get_int ( reply->data ) == 1 )
+ {
+ iob_pull ( reply->data, 5 * sizeof ( uint32_t ) );
+ read_reply->filesize = oncrpc_iob_get_int64 ( reply->data );
+ iob_pull ( reply->data, 7 * sizeof ( uint64_t ) );
+ }
+
+ read_reply->count = oncrpc_iob_get_int ( reply->data );
+ read_reply->eof = oncrpc_iob_get_int ( reply->data );
+ read_reply->data_len = oncrpc_iob_get_int ( reply->data );
+ read_reply->data = reply->data->data;
+
+ if ( read_reply->count != read_reply->data_len )
+ return -EPROTO;
+
+ return 0;
+}
+
--- /dev/null
+/*
+ * 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 <libgen.h>
+#include <byteswap.h>
+#include <ipxe/time.h>
+#include <ipxe/socket.h>
+#include <ipxe/tcpip.h>
+#include <ipxe/in.h>
+#include <ipxe/iobuf.h>
+#include <ipxe/xfer.h>
+#include <ipxe/open.h>
+#include <ipxe/uri.h>
+#include <ipxe/features.h>
+#include <ipxe/nfs.h>
+#include <ipxe/nfs_open.h>
+#include <ipxe/oncrpc.h>
+#include <ipxe/oncrpc_iob.h>
+#include <ipxe/portmap.h>
+#include <ipxe/mount.h>
+
+/** @file
+ *
+ * Network File System protocol
+ *
+ */
+
+FEATURE ( FEATURE_PROTOCOL, "NFS", DHCP_EB_FEATURE_NFS, 1 );
+
+#define NFS_RSIZE 100000
+
+enum nfs_pm_state {
+ NFS_PORTMAP_NONE = 0,
+ NFS_PORTMAP_MOUNTPORT,
+ NFS_PORTMAP_NFSPORT,
+ MFS_PORTMAP_CLOSED,
+};
+
+enum nfs_mount_state {
+ NFS_MOUNT_NONE = 0,
+ NFS_MOUNT_MNT,
+ NFS_MOUNT_UMNT,
+ NFS_MOUNT_CLOSED,
+};
+
+enum nfs_state {
+ NFS_NONE = 0,
+ NFS_LOOKUP,
+ NFS_LOOKUP_SENT,
+ NFS_READLINK,
+ NFS_READLINK_SENT,
+ NFS_READ,
+ NFS_READ_SENT,
+ NFS_CLOSED,
+};
+
+/**
+ * A NFS request
+ *
+ */
+struct nfs_request {
+ /** Reference counter */
+ struct refcnt refcnt;
+ /** Data transfer interface */
+ struct interface xfer;
+
+ struct interface pm_intf;
+ struct interface mount_intf;
+ struct interface nfs_intf;
+
+ enum nfs_pm_state pm_state;
+ enum nfs_mount_state mount_state;
+ enum nfs_state nfs_state;
+
+ struct oncrpc_session pm_session;
+ struct oncrpc_session mount_session;
+ struct oncrpc_session nfs_session;
+
+ struct oncrpc_cred_sys auth_sys;
+
+ char * hostname;
+ char * path;
+ char * mountpoint;
+ char * filename;
+ size_t filename_offset;
+
+ struct nfs_fh readlink_fh;
+ struct nfs_fh current_fh;
+ uint64_t file_offset;
+
+ size_t remaining;
+ int eof;
+};
+
+static void nfs_step ( struct nfs_request *nfs );
+
+/**
+ * Free NFS request
+ *
+ * @v refcnt Reference counter
+ */
+static void nfs_free ( struct refcnt *refcnt ) {
+ struct nfs_request *nfs;
+
+ nfs = container_of ( refcnt, struct nfs_request, refcnt );
+ DBGC ( nfs, "NFS_OPEN %p freed\n", nfs );
+
+ free ( nfs->hostname );
+ free ( nfs->path );
+ free ( nfs->auth_sys.hostname );
+ free ( nfs );
+}
+
+/**
+ * Mark NFS operation as complete
+ *
+ * @v nfs NFS request
+ * @v rc Return status code
+ */
+static void nfs_done ( struct nfs_request *nfs, int rc ) {
+ if ( rc == 0 && nfs->nfs_state != NFS_CLOSED )
+ rc = -ECONNRESET;
+
+ DBGC ( nfs, "NFS_OPEN %p completed (%s)\n", nfs, strerror ( rc ) );
+
+ intf_shutdown ( &nfs->xfer, rc );
+ intf_shutdown ( &nfs->pm_intf, rc );
+ intf_shutdown ( &nfs->mount_intf, rc );
+ intf_shutdown ( &nfs->nfs_intf, rc );
+}
+
+static int nfs_connect ( struct interface *intf, uint16_t port,
+ const char *hostname ) {
+ struct sockaddr_tcpip peer;
+ struct sockaddr_tcpip local;
+
+ if ( ! intf || ! hostname || ! port )
+ return -EINVAL;
+
+ memset ( &peer, 0, sizeof ( peer ) );
+ memset ( &peer, 0, sizeof ( local ) );
+ peer.st_port = htons ( port );
+
+ /* Use a local port < 1024 to avoid using the 'insecure' option in
+ * /etc/exports file. */
+ local.st_port = htons ( 1 + ( rand() % 1023 ) );
+
+ return xfer_open_named_socket ( intf, SOCK_STREAM,
+ ( struct sockaddr * ) &peer, hostname,
+ ( struct sockaddr * ) &local );
+}
+
+static void nfs_pm_step ( struct nfs_request *nfs ) {
+ int rc;
+
+ if ( ! xfer_window ( &nfs->pm_intf ) )
+ return;
+
+ if ( nfs->pm_state == NFS_PORTMAP_NONE ) {
+ DBGC ( nfs, "NFS_OPEN %p GETPORT call (mount)\n", nfs );
+
+ rc = portmap_getport ( &nfs->pm_intf, &nfs->pm_session,
+ ONCRPC_MOUNT, MOUNT_VERS,
+ PORTMAP_PROTO_TCP );
+ if ( rc != 0 )
+ goto err;
+
+ nfs->pm_state++;
+ return;
+ }
+
+ if ( nfs->pm_state == NFS_PORTMAP_NFSPORT ) {
+ DBGC ( nfs, "NFS_OPEN %p GETPORT call (nfs)\n", nfs );
+
+ rc = portmap_getport ( &nfs->pm_intf, &nfs->pm_session,
+ ONCRPC_NFS, NFS_VERS,
+ PORTMAP_PROTO_TCP );
+ if ( rc != 0 )
+ goto err;
+
+ return;
+ }
+
+ return;
+err:
+ nfs_done ( nfs, rc );
+}
+
+static int nfs_pm_deliver ( struct nfs_request *nfs,
+ struct io_buffer *io_buf,
+ struct xfer_metadata *meta __unused ) {
+ int rc;
+ struct oncrpc_reply reply;
+ struct portmap_getport_reply getport_reply;
+
+ oncrpc_get_reply ( &nfs->pm_session, &reply, io_buf );
+ if ( reply.accept_state != 0 )
+ {
+ rc = -EPROTO;
+ goto err;
+ }
+
+ if ( nfs->pm_state == NFS_PORTMAP_MOUNTPORT ) {
+ DBGC ( nfs, "NFS_OPEN %p got GETPORT reply (mount)\n", nfs );
+
+ rc = portmap_get_getport_reply ( &getport_reply, &reply );
+ if ( rc != 0 )
+ goto err;
+
+ rc = nfs_connect ( &nfs->mount_intf, getport_reply.port,
+ nfs->hostname );
+ if ( rc != 0 )
+ goto err;
+
+ nfs->pm_state++;
+ nfs_pm_step ( nfs );
+
+ goto done;
+ }
+
+ if ( nfs->pm_state == NFS_PORTMAP_NFSPORT ) {
+ DBGC ( nfs, "NFS_OPEN %p got GETPORT reply (nfs)\n", nfs );
+
+ rc = portmap_get_getport_reply ( &getport_reply, &reply );
+ if ( rc != 0 )
+ goto err;
+
+ rc = nfs_connect ( &nfs->nfs_intf, getport_reply.port,
+ nfs->hostname );
+ if ( rc != 0 )
+ goto err;
+
+ intf_shutdown ( &nfs->pm_intf, 0 );
+ nfs->pm_state++;
+
+ goto done;
+ }
+
+ rc = -EPROTO;
+err:
+ nfs_done ( nfs, rc );
+done:
+ free_iob ( io_buf );
+ return 0;
+}
+
+static void nfs_mount_step ( struct nfs_request *nfs ) {
+ int rc;
+
+ if ( ! xfer_window ( &nfs->mount_intf ) )
+ return;
+
+ if ( nfs->mount_state == NFS_MOUNT_NONE ) {
+ DBGC ( nfs, "NFS_OPEN %p MNT call (%s)\n", nfs,
+ nfs->mountpoint );
+
+ rc = mount_mnt ( &nfs->mount_intf, &nfs->mount_session,
+ nfs->mountpoint );
+ if ( rc != 0 )
+ goto err;
+
+ nfs->mount_state++;
+ return;
+ }
+
+ if ( nfs->mount_state == NFS_MOUNT_UMNT ) {
+ DBGC ( nfs, "NFS_OPEN %p UMNT call\n", nfs );
+
+ rc = mount_umnt ( &nfs->mount_intf, &nfs->mount_session,
+ nfs->mountpoint );
+ if ( rc != 0 )
+ goto err;
+ }
+
+ return;
+err:
+ nfs_done ( nfs, rc );
+}
+
+static int nfs_mount_deliver ( struct nfs_request *nfs,
+ struct io_buffer *io_buf,
+ struct xfer_metadata *meta __unused ) {
+ int rc;
+ char *sep;
+ struct oncrpc_reply reply;
+ struct mount_mnt_reply mnt_reply;
+
+ oncrpc_get_reply ( &nfs->mount_session, &reply, io_buf );
+ if ( reply.accept_state != 0 )
+ {
+ rc = -EPROTO;
+ goto err;
+ }
+
+ if ( nfs->mount_state == NFS_MOUNT_MNT ) {
+ DBGC ( nfs, "NFS_OPEN %p got MNT reply\n", nfs );
+ rc = mount_get_mnt_reply ( &mnt_reply, &reply );
+ if ( rc != 0 ) {
+ if ( mnt_reply.status != MNT3ERR_NOTDIR )
+ goto err;
+
+ if ( strcmp ( nfs->mountpoint, "/" ) == 0 )
+ goto err;
+
+ sep = strrchr ( nfs->mountpoint, '/' );
+ nfs->filename[-1] = '/';
+ nfs->filename = sep + 1;
+ *sep = '\0';
+
+ DBGC ( nfs, "NFS_OPEN %p ENOTDIR received retrying" \
+ "with %s\n", nfs, nfs->mountpoint );
+ goto done;
+ }
+
+ nfs->current_fh = mnt_reply.fh;
+ nfs->nfs_state = NFS_LOOKUP;
+ nfs_step ( nfs );
+
+ goto done;
+ }
+
+ if ( nfs->mount_state == NFS_MOUNT_UMNT ) {
+ DBGC ( nfs, "NFS_OPEN %p got UMNT reply\n", nfs );
+ nfs_done ( nfs, 0 );
+
+ goto done;
+ }
+
+ rc = -EPROTO;
+err:
+ nfs_done ( nfs, rc );
+done:
+ free_iob ( io_buf );
+ return 0;
+}
+
+static void nfs_step ( struct nfs_request *nfs ) {
+ int rc;
+ char *path_component = NULL;
+
+ if ( ! xfer_window ( &nfs->nfs_intf ) )
+ return;
+
+ if ( nfs->nfs_state == NFS_LOOKUP ) {
+ while ( path_component == NULL || path_component[0] == '\0') {
+ path_component = nfs->filename;
+ while ( *nfs->filename != '\0' ) {
+ nfs->filename_offset++;
+ if ( *nfs->filename++ == '/' ) {
+ *(nfs->filename - 1) = '\0';
+ break;
+ }
+ }
+ }
+
+ DBGC ( nfs, "NFS_OPEN %p LOOKUP call (%s)\n", nfs,
+ path_component );
+
+ rc = nfs_lookup ( &nfs->nfs_intf, &nfs->nfs_session,
+ &nfs->current_fh, path_component );
+ if ( rc != 0 )
+ goto err;
+
+ nfs->nfs_state++;
+ return;
+ }
+
+
+ if ( nfs->nfs_state == NFS_READLINK ) {
+ DBGC ( nfs, "NFS_OPEN %p READLINK call\n", nfs );
+
+ rc = nfs_readlink ( &nfs->nfs_intf, &nfs->nfs_session,
+ &nfs->readlink_fh );
+ if ( rc != 0 )
+ goto err;
+
+ nfs->nfs_state++;
+ return;
+ }
+
+ if ( nfs->nfs_state == NFS_READ ) {
+ DBGC ( nfs, "NFS_OPEN %p READ call\n", nfs );
+
+ rc = nfs_read ( &nfs->nfs_intf, &nfs->nfs_session,
+ &nfs->current_fh, nfs->file_offset,
+ NFS_RSIZE );
+ if ( rc != 0 )
+ goto err;
+
+ nfs->nfs_state++;
+ return;
+ }
+
+ return;
+err:
+ nfs_done ( nfs, rc );
+}
+
+static int nfs_deliver ( struct nfs_request *nfs,
+ struct io_buffer *io_buf,
+ struct xfer_metadata *meta __unused ) {
+ int rc;
+ struct oncrpc_reply reply;
+
+ if ( nfs->remaining == 0 ) {
+ oncrpc_get_reply ( &nfs->nfs_session, &reply, io_buf );
+ if ( reply.accept_state != 0 ) {
+ rc = -EPROTO;
+ goto err;
+ }
+ }
+
+ if ( nfs->nfs_state == NFS_LOOKUP_SENT ) {
+ struct nfs_lookup_reply lookup_reply;
+
+ DBGC ( nfs, "NFS_OPEN %p got LOOKUP reply\n", nfs );
+
+ rc = nfs_get_lookup_reply ( &lookup_reply, &reply );
+ if ( rc != 0 )
+ goto err;
+
+ if ( lookup_reply.ent_type == NFS_ATTR_SYMLINK ) {
+ nfs->readlink_fh = lookup_reply.fh;
+ nfs->nfs_state = NFS_READLINK;
+ } else {
+ nfs->current_fh = lookup_reply.fh;
+
+ if ( nfs->filename[0] == '\0' )
+ nfs->nfs_state = NFS_READ;
+ else
+ nfs->nfs_state--;
+ }
+
+ nfs_step ( nfs );
+ goto done;
+ }
+
+ if ( nfs->nfs_state == NFS_READLINK_SENT ) {
+ char *new_filename;
+ struct nfs_readlink_reply readlink_reply;
+
+ DBGC ( nfs, "NFS_OPEN %p got READLINK reply\n", nfs );
+
+ rc = nfs_get_readlink_reply ( &readlink_reply, &reply );
+ if ( rc != 0 )
+ goto err;
+
+ if ( readlink_reply.path_len == 0 )
+ return -EINVAL;
+
+ if ( readlink_reply.path[0] == '/' ) {
+ if ( strncmp ( readlink_reply.path, nfs->mountpoint,
+ strlen ( nfs->mountpoint ) ) != 0 )
+ return -EINVAL;
+
+ /* The mountpoint part of the path is ended by a '/' */
+ if ( strlen ( nfs->mountpoint ) !=
+ readlink_reply.path_len ) {
+ readlink_reply.path += 1;
+ readlink_reply.path_len -= 1;
+ }
+
+ /* We are considering the last part of the absolute
+ * path as a relative path from the mountpoint.
+ */
+ readlink_reply.path += strlen ( nfs->mountpoint );
+ readlink_reply.path_len -= strlen ( nfs->mountpoint );
+ }
+
+ new_filename = malloc ( readlink_reply.path_len +
+ strlen ( nfs->filename ) + 2 );
+ if ( ! new_filename ) {
+ rc = -ENOMEM;
+ goto err;
+ }
+
+ memcpy ( new_filename, readlink_reply.path,
+ readlink_reply.path_len );
+ strcpy ( new_filename + readlink_reply.path_len + 1,
+ nfs->filename );
+ new_filename[readlink_reply.path_len] = '/';
+
+ free ( nfs->filename - nfs->filename_offset );
+ nfs->filename = new_filename;
+ nfs->filename_offset = 0;
+
+ DBGC ( nfs, "NFS_OPEN %p new filename: %s\n", nfs,
+ nfs->filename );
+
+ nfs->nfs_state = NFS_LOOKUP;
+ nfs_step ( nfs );
+ goto done;
+ }
+
+ if ( nfs->nfs_state == NFS_READ_SENT ) {
+ if ( nfs->remaining == 0 ) {
+ DBGC ( nfs, "NFS_OPEN %p got READ reply\n", nfs );
+
+ struct nfs_read_reply read_reply;
+
+ rc = nfs_get_read_reply ( &read_reply, &reply );
+ if ( rc != 0 )
+ goto err;
+
+ if ( nfs->file_offset == 0 ) {
+ DBGC2 ( nfs, "NFS_OPEN %p size: %llu bytes\n",
+ nfs, read_reply.filesize );
+
+ xfer_seek ( &nfs->xfer, read_reply.filesize );
+ xfer_seek ( &nfs->xfer, 0 );
+ }
+
+ nfs->file_offset += read_reply.count;
+ nfs->remaining = read_reply.count;
+ nfs->eof = read_reply.eof;
+ }
+
+ size_t len = iob_len ( io_buf );
+ if ( len > nfs->remaining )
+ iob_unput ( io_buf, len - nfs->remaining );
+
+ nfs->remaining -= iob_len ( io_buf );
+
+ DBGC ( nfs, "NFS_OPEN %p got %zd bytes\n", nfs,
+ iob_len ( io_buf ) );
+
+ rc = xfer_deliver_iob ( &nfs->xfer, iob_disown ( io_buf ) );
+ if ( rc != 0 )
+ goto err;
+
+ if ( nfs->remaining == 0 ) {
+ if ( ! nfs->eof ) {
+ nfs->nfs_state--;
+ nfs_step ( nfs );
+ } else {
+ intf_shutdown ( &nfs->nfs_intf, 0 );
+ nfs->nfs_state++;
+ nfs->mount_state++;
+ nfs_mount_step ( nfs );
+ }
+ }
+
+ return 0;
+ }
+
+ rc = -EPROTO;
+err:
+ nfs_done ( nfs, rc );
+done:
+ free_iob ( io_buf );
+ return 0;
+}
+
+/*****************************************************************************
+ * Interfaces
+ *
+ */
+
+static struct interface_operation nfs_xfer_operations[] = {
+ INTF_OP ( intf_close, struct nfs_request *, nfs_done ),
+};
+
+/** NFS data transfer interface descriptor */
+static struct interface_descriptor nfs_xfer_desc =
+ INTF_DESC ( struct nfs_request, xfer, nfs_xfer_operations );
+
+static struct interface_operation nfs_pm_operations[] = {
+ INTF_OP ( intf_close, struct nfs_request *, nfs_done ),
+ INTF_OP ( xfer_deliver, struct nfs_request *, nfs_pm_deliver ),
+ INTF_OP ( xfer_window_changed, struct nfs_request *, nfs_pm_step ),
+};
+
+static struct interface_descriptor nfs_pm_desc =
+ INTF_DESC ( struct nfs_request, pm_intf, nfs_pm_operations );
+
+static struct interface_operation nfs_mount_operations[] = {
+ INTF_OP ( intf_close, struct nfs_request *, nfs_done ),
+ INTF_OP ( xfer_deliver, struct nfs_request *, nfs_mount_deliver ),
+ INTF_OP ( xfer_window_changed, struct nfs_request *, nfs_mount_step ),
+};
+
+static struct interface_descriptor nfs_mount_desc =
+ INTF_DESC ( struct nfs_request, mount_intf, nfs_mount_operations );
+
+static struct interface_operation nfs_operations[] = {
+ INTF_OP ( intf_close, struct nfs_request *, nfs_done ),
+ INTF_OP ( xfer_deliver, struct nfs_request *, nfs_deliver ),
+ INTF_OP ( xfer_window_changed, struct nfs_request *, nfs_step ),
+};
+
+static struct interface_descriptor nfs_desc =
+ INTF_DESC_PASSTHRU ( struct nfs_request, nfs_intf, nfs_operations,
+ xfer );
+
+/*****************************************************************************
+ *
+ * URI opener
+ *
+ */
+
+static int nfs_parse_uri ( struct nfs_request *nfs, const struct uri *uri ) {
+ int rc;
+
+ if ( ! uri || ! uri->host || ! uri->path )
+ return -EINVAL;
+
+ if ( ! ( nfs->path = strdup ( uri->path ) ) )
+ return -ENOMEM;
+
+ if ( ! ( nfs->hostname = strdup ( uri->host ) ) ) {
+ rc = -ENOMEM;
+ goto err_hostname;
+ }
+
+ nfs->filename = basename ( nfs->path );
+ nfs->mountpoint = dirname ( nfs->path );
+
+ if ( nfs->filename[0] == '\0' )
+ goto err_filename;
+
+ DBGC ( nfs, "NFS_OPEN %p URI parsed: (mountpoint=%s, filename=%s)\n",
+ nfs, nfs->mountpoint, nfs->filename );
+
+ return 0;
+
+err_filename:
+ rc = -EINVAL;
+ free ( nfs->hostname );
+err_hostname:
+ free ( nfs->path );
+ return rc;
+}
+
+/**
+ * Initiate a NFS connection
+ *
+ * @v xfer Data transfer interface
+ * @v uri Uniform Resource Identifier
+ * @ret rc Return status code
+ */
+static int nfs_open ( struct interface *xfer, struct uri *uri ) {
+ int rc;
+ struct nfs_request *nfs;
+
+ nfs = zalloc ( sizeof ( *nfs ) );
+ if ( ! nfs )
+ return -ENOMEM;
+
+ rc = nfs_parse_uri( nfs, uri );
+ if ( rc != 0 )
+ goto err_uri;
+
+ rc = oncrpc_init_cred_sys ( &nfs->auth_sys );
+ if ( rc != 0 )
+ goto err_cred;
+
+ ref_init ( &nfs->refcnt, nfs_free );
+ intf_init ( &nfs->xfer, &nfs_xfer_desc, &nfs->refcnt );
+ intf_init ( &nfs->pm_intf, &nfs_pm_desc, &nfs->refcnt );
+ intf_init ( &nfs->mount_intf, &nfs_mount_desc, &nfs->refcnt );
+ intf_init ( &nfs->nfs_intf, &nfs_desc, &nfs->refcnt );
+
+ portmap_init_session ( &nfs->pm_session, &nfs->auth_sys.credential );
+ mount_init_session ( &nfs->mount_session, &nfs->auth_sys.credential );
+ nfs_init_session ( &nfs->nfs_session, &nfs->auth_sys.credential );
+
+ rc = nfs_connect ( &nfs->pm_intf, PORTMAP_PORT, nfs->hostname );
+ if ( rc != 0 )
+ goto err_connect;
+
+ /* Attach to parent interface, mortalise self, and return */
+ intf_plug_plug ( &nfs->xfer, xfer );
+ ref_put ( &nfs->refcnt );
+
+ return 0;
+
+err_connect:
+ free ( nfs->auth_sys.hostname );
+err_cred:
+err_uri:
+ free ( nfs );
+ return rc;
+}
+
+/** NFS URI opener */
+struct uri_opener nfs_uri_opener __uri_opener = {
+ .scheme = "nfs",
+ .open = nfs_open,
+};
--- /dev/null
+/*
+ * 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/xfer.h>
+#include <ipxe/open.h>
+#include <ipxe/uri.h>
+#include <ipxe/features.h>
+#include <ipxe/oncrpc.h>
+#include <ipxe/oncrpc_iob.h>
+
+/** @file
+ *
+ * SUN ONC RPC protocol
+ *
+ */
+
+size_t oncrpc_iob_add_fields ( struct io_buffer *io_buf,
+ const struct oncrpc_field fields[] ) {
+ size_t i;
+ size_t s = 0;
+
+ struct oncrpc_field f;
+
+ if ( ! io_buf )
+ return 0;
+
+ for ( i = 0; fields[i].type != oncrpc_none; i++ ) {
+ f = fields[i];
+ switch ( f.type ) {
+ case oncrpc_int32:
+ s += oncrpc_iob_add_int ( io_buf, f.value.int32 );
+ break;
+
+ case oncrpc_int64:
+ s += oncrpc_iob_add_int64 ( io_buf, f.value.int64 );
+ break;
+
+ case oncrpc_str:
+ s += oncrpc_iob_add_string ( io_buf, f.value.str );
+ break;
+
+ case oncrpc_array:
+ s += oncrpc_iob_add_array ( io_buf,
+ f.value.array.length,
+ f.value.array.ptr );
+ break;
+
+ case oncrpc_intarray:
+ s += oncrpc_iob_add_intarray ( io_buf,
+ f.value.intarray.length,
+ f.value.intarray.ptr );
+ break;
+
+ case oncrpc_cred:
+ s += oncrpc_iob_add_cred ( io_buf, f.value.cred);
+ break;
+
+ default:
+ return s;
+ }
+ }
+
+ return s;
+}
+
+/**
+ * Add an array of bytes to the end of an I/O buffer
+ *
+ * @v io_buf I/O buffer
+ * @v val String
+ * @ret size Size of the data written
+ *
+ * In the ONC RPC protocol, every data is four byte paded, we add padding when
+ * necessary by using oncrpc_align()
+ */
+size_t oncrpc_iob_add_array ( struct io_buffer *io_buf, size_t length,
+ const void *data ) {
+ size_t padding = oncrpc_align ( length ) - length;
+
+ oncrpc_iob_add_int ( io_buf, length );
+ memcpy ( iob_put ( io_buf, length ), data, length );
+ memset ( iob_put ( io_buf, padding ), 0, padding );
+
+ return length + padding + sizeof ( uint32_t );
+}
+
+/**
+ * Add an int array to the end of an I/O buffer
+ *
+ * @v io_buf I/O buffer
+ * @v length Length od the array
+ * @v val Int array
+ * @ret size Size of the data written
+ */
+size_t oncrpc_iob_add_intarray ( struct io_buffer *io_buf, size_t length,
+ const uint32_t *array ) {
+ size_t i;
+
+ oncrpc_iob_add_int ( io_buf, length );
+
+ for ( i = 0; i < length; ++i )
+ oncrpc_iob_add_int ( io_buf, array[i] );
+
+ return ( ( length + 1 ) * sizeof ( uint32_t ) );
+}
+
+/**
+ * Add credential information to the end of an I/O buffer
+ *
+ * @v io_buf I/O buffer
+ * @v cred Credential information
+ * @ret size Size of the data written
+ */
+size_t oncrpc_iob_add_cred ( struct io_buffer *io_buf,
+ const struct oncrpc_cred *cred ) {
+ struct oncrpc_cred_sys *syscred;
+ size_t s;
+
+ struct oncrpc_field credfields[] = {
+ ONCRPC_FIELD ( int32, cred->flavor ),
+ ONCRPC_FIELD ( int32, cred->length ),
+ ONCRPC_FIELD_END,
+ };
+
+ if ( ! io_buf || ! cred )
+ return 0;
+
+ s = oncrpc_iob_add_fields ( io_buf, credfields);
+
+ switch ( cred->flavor ) {
+ case ONCRPC_AUTH_NONE:
+ break;
+
+ case ONCRPC_AUTH_SYS:
+ syscred = container_of ( cred, struct oncrpc_cred_sys,
+ credential );
+
+ struct oncrpc_field syscredfields[] = {
+ ONCRPC_FIELD ( int32, syscred->stamp ),
+ ONCRPC_FIELD ( str, syscred->hostname ),
+ ONCRPC_FIELD ( int32, syscred->uid ),
+ ONCRPC_FIELD ( int32, syscred->gid ),
+ ONCRPC_SUBFIELD ( intarray, syscred->aux_gid_len,
+ syscred->aux_gid ),
+ ONCRPC_FIELD_END,
+ };
+
+ s += oncrpc_iob_add_fields ( io_buf, syscredfields );
+ break;
+ }
+
+ return s;
+}
+
+/**
+ * Get credential information from the beginning of an I/O buffer
+ *
+ * @v io_buf I/O buffer
+ * @v cred Struct where the information will be saved
+ * @ret size Size of the data read
+ */
+size_t oncrpc_iob_get_cred ( struct io_buffer *io_buf,
+ struct oncrpc_cred *cred ) {
+ if ( cred == NULL )
+ return * ( uint32_t * ) io_buf->data;
+
+ cred->flavor = oncrpc_iob_get_int ( io_buf );
+ cred->length = oncrpc_iob_get_int ( io_buf );
+
+ iob_pull ( io_buf, cred->length );
+
+ return ( 2 * sizeof ( uint32_t ) + cred->length );
+}
--- /dev/null
+/*
+ * 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/xfer.h>
+#include <ipxe/open.h>
+#include <ipxe/uri.h>
+#include <ipxe/features.h>
+#include <ipxe/timer.h>
+#include <ipxe/oncrpc.h>
+#include <ipxe/oncrpc_iob.h>
+#include <ipxe/portmap.h>
+
+/** @file
+ *
+ * PORTMAPPER protocol.
+ *
+ */
+
+/** PORTMAP GETPORT procedure. */
+#define PORTMAP_GETPORT 3
+
+/**
+ * Send a GETPORT request
+ *
+ * @v intf Interface to send the request on
+ * @v session ONC RPC session
+ * @v prog ONC RPC program number
+ * @v vers ONC RPC rogram version number
+ * @v proto Protocol (TCP or UDP)
+ * @ret rc Return status code
+ */
+int portmap_getport ( struct interface *intf, struct oncrpc_session *session,
+ uint32_t prog, uint32_t vers, uint32_t proto ) {
+ struct oncrpc_field fields[] = {
+ ONCRPC_FIELD ( int32, prog ),
+ ONCRPC_FIELD ( int32, vers ),
+ ONCRPC_FIELD ( int32, proto ),
+ ONCRPC_FIELD ( int32, 0 ), /* The port field is only meaningful
+ in GETPORT reply */
+ ONCRPC_FIELD_END,
+ };
+
+ return oncrpc_call ( intf, session, PORTMAP_GETPORT, fields );
+}
+
+/**
+ * Parse a GETPORT reply
+ *
+ * @v getport_reply A structure where the data will be saved
+ * @v reply The ONC RPC reply to get data from
+ * @ret rc Return status code
+ */
+int portmap_get_getport_reply ( struct portmap_getport_reply *getport_reply,
+ struct oncrpc_reply *reply ) {
+ if ( ! getport_reply || ! reply )
+ return -EINVAL;
+
+ getport_reply->port = oncrpc_iob_get_int ( reply->data );
+ if ( getport_reply == 0 || getport_reply->port >= 65536 )
+ return -EINVAL;
+
+ return 0;
+}
--- /dev/null
+/*
+ * 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 <config/general.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
+};
+
+struct setting uid_setting __setting ( SETTING_AUTH ) = {
+ .name = "uid",
+ .description = "User ID",
+ .tag = DHCP_EB_UID,
+ .type = &setting_type_uint32
+};
+
+struct setting gid_setting __setting ( SETTING_AUTH ) = {
+ .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;
+}
projects / thirdparty / ipxe.git / commitdiff
