summaryrefslogtreecommitdiffstats
path: root/rpc/rpc-lib/src/xdr-rpcclnt.c
blob: 98676ae61ab41d6ee6d3ffc23c2fe362cca66892 (plain)
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
123
124
125
126
127
128
129
130
131
/*
  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 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
  General Public License for more details.

  You should have received a copy of the GNU 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 <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 <errno.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
xdr_to_rpc_reply (char *msgbuf, size_t len, struct rpc_msg *reply,
                  struct iovec *payload, char *verfbytes)
{
        XDR                     xdr;
        int                     ret = -1;

        if ((!msgbuf) || (!reply)) {
                ret = -EINVAL;
                goto out;
        }

        memset (reply, 0, sizeof (struct rpc_msg));

        reply->acpted_rply.ar_verf = _null_auth;
        reply->acpted_rply.ar_results.where = NULL;
        reply->acpted_rply.ar_results.proc = (xdrproc_t)(xdr_void);

        xdrmem_create (&xdr, msgbuf, len, XDR_DECODE);
        if (!xdr_replymsg (&xdr, reply)) {
                ret = -errno;
                goto out;
        }
        if (payload) {
                payload->iov_base = xdr_decoded_remaining_addr (xdr);
                payload->iov_len = xdr_decoded_remaining_len (xdr);
        }

        ret = 0;
out:
        return ret;
}

#if 0
bool_t
true_func (XDR *s, caddr_t *a)
{
        return TRUE;
}
#endif

int
rpc_request_to_xdr (struct rpc_msg *request, char *dest, size_t len,
                    struct iovec *dst)
{
        XDR xdr;
        int ret = -1;

        if ((!dest) || (!request) || (!dst)) {
                goto out;
        }

        xdrmem_create (&xdr, dest, len, XDR_ENCODE);
        if (!xdr_callmsg (&xdr, request)) {
                goto out;
        }

        dst->iov_base = dest;
        dst->iov_len = xdr_encoded_length (xdr);

        ret = 0;

out:
        return ret;
}


int
auth_unix_cred_to_xdr (struct authunix_parms *au, char *dest, size_t len,
                       struct iovec *iov)
{
        XDR xdr;
        int ret = -1;

        if (!au || !dest || !iov) {
                goto out;
        }

        xdrmem_create (&xdr, dest, len, XDR_DECODE);

        if (!xdr_authunix_parms (&xdr, au)) {
                goto out;
        }

        iov->iov_base = dest;
        iov->iov_len = xdr_encoded_length (xdr);

        ret = 0;
out:
        return ret;
}