diff options
Diffstat (limited to 'xlators/nfs/lib/src/xdr-rpc.c')
| -rw-r--r-- | xlators/nfs/lib/src/xdr-rpc.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/xlators/nfs/lib/src/xdr-rpc.c b/xlators/nfs/lib/src/xdr-rpc.c deleted file mode 100644 index 274e118a3c0..00000000000 --- a/xlators/nfs/lib/src/xdr-rpc.c +++ /dev/null @@ -1,229 +0,0 @@ -/* - Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU Affero General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS 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 - Affero General Public License for more details. - - You should have received a copy of the GNU Affero General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _CONFIG_H -#define _CONFIG_H -#include "config.h" -#endif - -#include <string.h> -#include <rpc/rpc.h> -#include <rpc/pmap_clnt.h> -#include <arpa/inet.h> -#include <rpc/xdr.h> -#include <sys/uio.h> -#include <rpc/auth_unix.h> - -#include "mem-pool.h" -#include "xdr-rpc.h" -#include "xdr-common.h" -#include "logging.h" - -/* Decodes the XDR format in msgbuf into rpc_msg. - * The remaining payload is returned into payload. - */ -int -nfs_xdr_to_rpc_call (char *msgbuf, size_t len, struct rpc_msg *call, - struct iovec *payload, char *credbytes, char *verfbytes) -{ - XDR xdr; - char opaquebytes[MAX_AUTH_BYTES]; - struct opaque_auth *oa = NULL; - - if ((!msgbuf) || (!call)) - return -1; - - memset (call, 0, sizeof (*call)); - - oa = &call->rm_call.cb_cred; - if (!credbytes) - oa->oa_base = opaquebytes; - else - oa->oa_base = credbytes; - - oa = &call->rm_call.cb_verf; - if (!verfbytes) - oa->oa_base = opaquebytes; - else - oa->oa_base = verfbytes; - - xdrmem_create (&xdr, msgbuf, len, XDR_DECODE); - if (!xdr_callmsg (&xdr, call)) - return -1; - - if (payload) { - payload->iov_base = nfs_xdr_decoded_remaining_addr (xdr); - payload->iov_len = nfs_xdr_decoded_remaining_len (xdr); - } - - return 0; -} - - -bool_t -nfs_true_func (XDR *s, caddr_t *a) -{ - return TRUE; -} - - -int -nfs_rpc_fill_empty_reply (struct rpc_msg *reply, uint32_t xid) -{ - if (!reply) - return -1; - - /* Setting to 0 also results in reply verifier flavor to be - * set to AUTH_NULL which is what we want right now. - */ - memset (reply, 0, sizeof (*reply)); - reply->rm_xid = xid; - reply->rm_direction = REPLY; - - return 0; -} - -int -nfs_rpc_fill_denied_reply (struct rpc_msg *reply, int rjstat, int auth_err) -{ - if (!reply) - return -1; - - reply->rm_reply.rp_stat = MSG_DENIED; - reply->rjcted_rply.rj_stat = rjstat; - if (rjstat == RPC_MISMATCH) { - /* No problem with hardocoding - * RPC version numbers. We only support - * v2 anyway. - */ - reply->rjcted_rply.rj_vers.low = 2; - reply->rjcted_rply.rj_vers.high = 2; - } else if (rjstat == AUTH_ERROR) - reply->rjcted_rply.rj_why = auth_err; - - return 0; -} - - -int -nfs_rpc_fill_accepted_reply (struct rpc_msg *reply, int arstat, int proglow, - int proghigh, int verf, int len, char *vdata) -{ - if (!reply) - return -1; - - reply->rm_reply.rp_stat = MSG_ACCEPTED; - reply->acpted_rply.ar_stat = arstat; - - reply->acpted_rply.ar_verf.oa_flavor = verf; - reply->acpted_rply.ar_verf.oa_length = len; - reply->acpted_rply.ar_verf.oa_base = vdata; - if (arstat == PROG_MISMATCH) { - reply->acpted_rply.ar_vers.low = proglow; - reply->acpted_rply.ar_vers.high = proghigh; - } else if (arstat == SUCCESS) { - - /* This is a hack. I'd really like to build a custom - * XDR library because Sun RPC interface is not very flexible. - */ - reply->acpted_rply.ar_results.proc = (xdrproc_t)nfs_true_func; - reply->acpted_rply.ar_results.where = NULL; - } - - return 0; -} - -int -nfs_rpc_reply_to_xdr (struct rpc_msg *reply, char *dest, size_t len, - struct iovec *dst) -{ - XDR xdr; - - if ((!dest) || (!reply) || (!dst)) - return -1; - - xdrmem_create (&xdr, dest, len, XDR_ENCODE); - if (!xdr_replymsg(&xdr, reply)) - return -1; - - dst->iov_base = dest; - dst->iov_len = nfs_xdr_encoded_length (xdr); - - return 0; -} - - -int -nfs_xdr_to_auth_unix_cred (char *msgbuf, int msglen, struct authunix_parms *au, - char *machname, gid_t *gids) -{ - XDR xdr; - - if ((!msgbuf) || (!machname) || (!gids) || (!au)) - return -1; - - au->aup_machname = machname; -#ifdef GF_DARWIN_HOST_OS - au->aup_gids = (int *)gids; -#else - au->aup_gids = gids; -#endif - - xdrmem_create (&xdr, msgbuf, msglen, XDR_DECODE); - - if (!xdr_authunix_parms (&xdr, au)) - return -1; - - return 0; -} - -ssize_t -nfs_xdr_length_round_up (size_t len, size_t bufsize) -{ - int roundup = 0; - - roundup = len % NFS_XDR_BYTES_PER_UNIT; - if (roundup > 0) - roundup = NFS_XDR_BYTES_PER_UNIT - roundup; - - if ((roundup > 0) && ((roundup + len) <= bufsize)) - len += roundup; - - return len; -} - -int -nfs_xdr_bytes_round_up (struct iovec *vec, size_t bufsize) -{ - vec->iov_len = nfs_xdr_length_round_up (vec->iov_len, bufsize); - return 0; -} - -void -nfs_xdr_vector_round_up (struct iovec *vec, int vcount, uint32_t count) -{ - uint32_t round_count = 0; - - round_count = nfs_xdr_length_round_up (count, 1048576); - round_count -= count; - if (round_count == 0) - return; - - vec[vcount-1].iov_len += round_count; -} |