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
|
/*
* Copyright (c) 2012 Balabit
* Copyright (c) 2012 Balázs Scheidler
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, or (at your option) 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "syslog-parser.h"
void
syslog_parser_set_drop_invalid(LogParser *s, gboolean drop_invalid)
{
SyslogParser *self = (SyslogParser *) s;
self->drop_invalid = drop_invalid;
}
static gboolean
syslog_parser_process(LogParser *s, LogMessage **pmsg, const LogPathOptions *path_options, const gchar *input,
gsize input_len)
{
SyslogParser *self = (SyslogParser *) s;
LogMessage *msg;
msg = log_msg_make_writable(pmsg, path_options);
msg_trace("syslog-parser message processing started",
evt_tag_str("input", input),
evt_tag_msg_reference(*pmsg));
if (self->drop_invalid)
{
gsize problem_position = 0;
return msg_format_try_parse_into(&self->parse_options, msg, (guchar *) input, input_len, &problem_position);
}
else
{
msg_format_parse_into(&self->parse_options, msg, (guchar *) input, input_len);
return TRUE;
}
}
static gboolean
syslog_parser_init(LogPipe *s)
{
SyslogParser *self = (SyslogParser *) s;
msg_format_options_init(&self->parse_options, log_pipe_get_config(s));
return log_parser_init_method(s);
}
static LogPipe *
syslog_parser_clone(LogPipe *s)
{
SyslogParser *self = (SyslogParser *) s;
SyslogParser *cloned;
cloned = (SyslogParser *) syslog_parser_new(s->cfg);
log_parser_clone_settings(&self->super, &cloned->super);
msg_format_options_copy(&cloned->parse_options, &self->parse_options);
return &cloned->super.super;
}
static void
syslog_parser_free(LogPipe *s)
{
SyslogParser *self = (SyslogParser *) s;
msg_format_options_destroy(&self->parse_options);
log_parser_free_method(s);
}
/*
* Parse comma-separated values from a log message.
*/
LogParser *
syslog_parser_new(GlobalConfig *cfg)
{
SyslogParser *self = g_new0(SyslogParser, 1);
log_parser_init_instance(&self->super, cfg);
self->super.super.free_fn = syslog_parser_free;
self->super.super.clone = syslog_parser_clone;
self->super.super.init = syslog_parser_init;
self->super.process = syslog_parser_process;
msg_format_options_defaults(&self->parse_options);
return &self->super;
}
|
