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
|
/* Copyright (C) 2015-2021 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* 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
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Victor Julien <victor@inliniac.net>
*
* Implement JSON/eve logging app-layer NFS.
*/
#include "suricata-common.h"
#include "detect.h"
#include "pkt-var.h"
#include "conf.h"
#include "threads.h"
#include "threadvars.h"
#include "tm-threads.h"
#include "util-unittest.h"
#include "util-buffer.h"
#include "util-debug.h"
#include "util-byte.h"
#include "output.h"
#include "output-json.h"
#include "app-layer.h"
#include "app-layer-parser.h"
#include "output-json-nfs.h"
#include "rust.h"
bool EveNFSAddMetadataRPC(const Flow *f, uint64_t tx_id, JsonBuilder *jb)
{
NFSState *state = FlowGetAppState(f);
if (state) {
NFSTransaction *tx = AppLayerParserGetTx(f->proto, ALPROTO_NFS, state, tx_id);
if (tx) {
return rs_rpc_log_json_response(tx, jb);
}
}
return false;
}
bool EveNFSAddMetadata(const Flow *f, uint64_t tx_id, JsonBuilder *jb)
{
NFSState *state = FlowGetAppState(f);
if (state) {
NFSTransaction *tx = AppLayerParserGetTx(f->proto, ALPROTO_NFS, state, tx_id);
if (tx) {
return rs_nfs_log_json_response(state, tx, jb);
}
}
return false;
}
static int JsonNFSLogger(ThreadVars *tv, void *thread_data,
const Packet *p, Flow *f, void *state, void *tx, uint64_t tx_id)
{
NFSTransaction *nfstx = tx;
OutputJsonThreadCtx *thread = thread_data;
if (rs_nfs_tx_logging_is_filtered(state, nfstx))
return TM_ECODE_OK;
JsonBuilder *jb = CreateEveHeader(p, LOG_DIR_PACKET, "nfs", NULL, thread->ctx);
if (unlikely(jb == NULL)) {
return TM_ECODE_OK;
}
jb_open_object(jb, "rpc");
rs_rpc_log_json_response(tx, jb);
jb_close(jb);
jb_open_object(jb, "nfs");
rs_nfs_log_json_response(state, tx, jb);
jb_close(jb);
MemBufferReset(thread->buffer);
OutputJsonBuilderBuffer(jb, thread);
jb_free(jb);
return TM_ECODE_OK;
}
static OutputInitResult NFSLogInitSub(ConfNode *conf,
OutputCtx *parent_ctx)
{
AppLayerParserRegisterLogger(IPPROTO_TCP, ALPROTO_NFS);
AppLayerParserRegisterLogger(IPPROTO_UDP, ALPROTO_NFS);
return OutputJsonLogInitSub(conf, parent_ctx);
}
void JsonNFSLogRegister(void)
{
/* Register as an eve sub-module. */
OutputRegisterTxSubModule(LOGGER_JSON_TX, "eve-log", "JsonNFSLog", "eve-log.nfs", NFSLogInitSub,
ALPROTO_NFS, JsonNFSLogger, JsonLogThreadInit, JsonLogThreadDeinit, NULL);
SCLogDebug("NFS JSON logger registered.");
}
|
