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
|
/*
Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#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"
#include "common-utils.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 = -EINVAL;
GF_VALIDATE_OR_GOTO ("rpc", msgbuf, out);
GF_VALIDATE_OR_GOTO ("rpc", reply, 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)) {
gf_log ("rpc", GF_LOG_WARNING, "failed to decode reply msg");
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;
}
int
rpc_request_to_xdr (struct rpc_msg *request, char *dest, size_t len,
struct iovec *dst)
{
XDR xdr;
int ret = -1;
GF_VALIDATE_OR_GOTO ("rpc", dest, out);
GF_VALIDATE_OR_GOTO ("rpc", request, out);
GF_VALIDATE_OR_GOTO ("rpc", dst, out);
xdrmem_create (&xdr, dest, len, XDR_ENCODE);
if (!xdr_callmsg (&xdr, request)) {
gf_log ("rpc", GF_LOG_WARNING, "failed to encode call msg");
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;
GF_VALIDATE_OR_GOTO ("rpc", au, out);
GF_VALIDATE_OR_GOTO ("rpc", dest, out);
GF_VALIDATE_OR_GOTO ("rpc", iov, out);
xdrmem_create (&xdr, dest, len, XDR_DECODE);
if (!xdr_authunix_parms (&xdr, au)) {
gf_log ("rpc", GF_LOG_WARNING, "failed to decode authunix parms");
goto out;
}
iov->iov_base = dest;
iov->iov_len = xdr_encoded_length (xdr);
ret = 0;
out:
return ret;
}
|
