summaryrefslogtreecommitdiffstats
path: root/src/read_config_lex.l
blob: 24040586b33d1b35fb35ce5422511eac34405435 (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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
%{
/*
 * (C) 2006 by Pablo Neira Ayuso <pablo@netfilter.org>
 * 
 * This program 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 2 of the License, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * Description: configuration file syntax
 */

#include <string.h>

#include "read_config_yy.h"
%}

%option yylineno
%option noinput
%option nounput

ws		[ \t]+
comment         #.*$
nl		[\n\r]

is_on		[o|O][n|N]
is_off		[o|O][f|F][f|F]
integer		[0-9]+
signed_integer	[\-\+][0-9]+
path		\/[^\"\n ]*
ip4_cidr	\/[0-2]*[0-9]+
ip4_end		[0-9]*[0-9]+
ip4_part	[0-2]*{ip4_end}
ip4		{ip4_part}\.{ip4_part}\.{ip4_part}\.{ip4_part}{ip4_cidr}?
hex_255		[0-9a-fA-F]{1,4}
ip6_cidr	\/[0-1]*[0-9]*[0-9]+
ip6_part	{hex_255}":"?
ip6_form1	{ip6_part}{0,7}"::"{ip6_part}{0,7}
ip6_form2	({hex_255}":"){0,7}{hex_255}
ip6		{ip6_form1}{ip6_cidr}?|{ip6_form2}{ip6_cidr}?
string		[a-zA-Z][a-zA-Z0-9\.\-\_]*
persistent	[P|p][E|e][R|r][S|s][I|i][S|s][T|t][E|e][N|n][T|T]
nack		[N|n][A|a][C|c][K|k]
alarm		[A|a][L|l][A|a][R|r][M|m]
ftfw		[F|f][T|t][F|f][W|w]
notrack		[N|n][O|o][T|t][R|r][A|a][C|c][K|k]

%%
"UNIX"				{ return T_UNIX; }
"IPv4_address"			{ return T_IPV4_ADDR; }
"IPv6_address"			{ return T_IPV6_ADDR; }
"IPv4_Destination_Address"	{ return T_IPV4_DEST_ADDR; }
"IPv6_Destination_Address"	{ return T_IPV6_DEST_ADDR; }
"IPv4_interface"		{ return T_IPV4_IFACE; }
"IPv6_interface"		{ return T_IPV6_IFACE; }
"Interface"			{ return T_IFACE; }
"Multicast"			{ return T_MULTICAST; }
"UDP"				{ return T_UDP; }
"TCP"				{ return T_TCP; }
"HashSize"			{ return T_HASHSIZE; }
"RefreshTime"			{ return T_REFRESH; }
"CacheTimeout"			{ return T_EXPIRE; }
"CommitTimeout"			{ return T_TIMEOUT; }
"DelayDestroyMessages"		{ return T_DELAY; }
"HashLimit"			{ return T_HASHLIMIT; }
"Path"				{ return T_PATH; }
"IgnoreProtocol"		{ return T_IGNORE_PROTOCOL; }
"IgnoreTrafficFor"		{ return T_IGNORE_TRAFFIC; }
"StripNAT"			{ return T_STRIP_NAT; }
"Backlog"			{ return T_BACKLOG; }
"Group"				{ return T_GROUP; }
"Port"				{ return T_PORT; }
"LogFile"			{ return T_LOG; }
"Syslog"			{ return T_SYSLOG; }
"LockFile"			{ return T_LOCK; }
"General"			{ return T_GENERAL; }
"Sync"				{ return T_SYNC; }
"Stats"				{ return T_STATS; }
"RelaxTransitions"		{ return T_RELAX_TRANSITIONS; }
"SocketBufferSize"		{ return T_BUFFER_SIZE; /* alias */ }
"SocketBufferSizeMaxGrown"	{ return T_BUFFER_SIZE_MAX_GROWN; /* alias */ }
"SocketBufferSizeMaxGrowth"	{ return T_BUFFER_SIZE_MAX_GROWN; /* alias */ }
"NetlinkBufferSize"		{ return T_BUFFER_SIZE; }
"NetlinkBufferSizeMaxGrowth"	{ return T_BUFFER_SIZE_MAX_GROWN; }
"Mode"				{ return T_SYNC_MODE; }
"ListenTo"			{ return T_LISTEN_TO; }
"Family"			{ return T_FAMILY; }
"ResendBufferSize"		{ return T_RESEND_BUFFER_SIZE; }
"ResendQueueSize"		{ return T_RESEND_QUEUE_SIZE; }
"Checksum"			{ return T_CHECKSUM; }
"ACKWindowSize"			{ return T_WINDOWSIZE; }
"Replicate"			{ return T_REPLICATE; }
"for"				{ return T_FOR; }
"CacheWriteThrough"		{ return T_WRITE_THROUGH; }
"SYN_SENT"			{ return T_SYN_SENT; }
"SYN_RECV"			{ return T_SYN_RECV; }
"ESTABLISHED"			{ return T_ESTABLISHED; }
"FIN_WAIT"			{ return T_FIN_WAIT; }
"CLOSE_WAIT"			{ return T_CLOSE_WAIT; }
"LAST_ACK"			{ return T_LAST_ACK; }
"TIME_WAIT"			{ return T_TIME_WAIT; }
"CLOSE"				{ return T_CLOSE; /* alias of CLOSED */ }
"CLOSED"			{ return T_CLOSE; }
"LISTEN"			{ return T_LISTEN; }
"LogFileBufferSize"		{ return T_STAT_BUFFER_SIZE; }
"DestroyTimeout"		{ return T_DESTROY_TIMEOUT; }
"McastSndSocketBuffer"		{ return T_SNDBUFF; /* deprecated */ }
"McastRcvSocketBuffer"		{ return T_RCVBUFF; /* deprecated */ }
"SndSocketBuffer"		{ return T_SNDBUFF; }
"RcvSocketBuffer"		{ return T_RCVBUFF; }
"Filter"			{ return T_FILTER; }
"Protocol"			{ return T_PROTOCOL; }
"Address"			{ return T_ADDRESS; }
"State"				{ return T_STATE; }
"Accept"			{ return T_ACCEPT; }
"Ignore"			{ return T_IGNORE; }
"PurgeTimeout"			{ return T_PURGE; }
"From"				{ return T_FROM; }
"Userspace"			{ return T_USERSPACE; }
"Kernelspace"			{ return T_KERNELSPACE; }
"EventIterationLimit"		{ return T_EVENT_ITER_LIMIT; }
"Default"			{ return T_DEFAULT; }
"PollSecs"			{ return T_POLL_SECS; }
"NetlinkOverrunResync"		{ return T_NETLINK_OVERRUN_RESYNC; }
"Nice"				{ return T_NICE; }
"Scheduler"			{ return T_SCHEDULER; }
"Type"				{ return T_TYPE; }
"Priority"			{ return T_PRIO; }
"NetlinkEventsReliable"		{ return T_NETLINK_EVENTS_RELIABLE; }
"DisableInternalCache"		{ return T_DISABLE_INTERNAL_CACHE; }
"DisableExternalCache"		{ return T_DISABLE_EXTERNAL_CACHE; }
"Options"			{ return T_OPTIONS; }
"TCPWindowTracking"		{ return T_TCP_WINDOW_TRACKING; }
"ExpectationSync"		{ return T_EXPECT_SYNC; }
"ErrorQueueLength"		{ return T_ERROR_QUEUE_LENGTH; }
"Helper"			{ return T_HELPER; }
"QueueNum"			{ return T_HELPER_QUEUE_NUM; }
"QueueLen"			{ return T_HELPER_QUEUE_LEN; }
"Policy"			{ return T_HELPER_POLICY; }
"ExpectMax"			{ return T_HELPER_EXPECT_MAX; }
"ExpectTimeout"			{ return T_HELPER_EXPECT_TIMEOUT; }
"Systemd"			{ return T_SYSTEMD; }

{is_on}			{ return T_ON; }
{is_off}		{ return T_OFF; }
{integer}		{ yylval.val = atoi(yytext); return T_NUMBER; }
{signed_integer}	{ yylval.val = atoi(yytext); return T_SIGNED_NUMBER; }
{ip4}			{ yylval.string = strdup(yytext); return T_IP; }
{ip6}			{ yylval.string = strdup(yytext); return T_IP; }
{path}			{ yylval.string = strdup(yytext); return T_PATH_VAL; }
{alarm}			{ return T_ALARM; }
{persistent}		{ fprintf(stderr, "\nWARNING: Now `persistent' mode "
				  "is called `alarm'. Please, update "
				  "your conntrackd.conf file.\n");
			  return T_ALARM; }
{ftfw}			{ return T_FTFW; }
{nack}			{ fprintf(stderr, "\nWARNING: Now `nack' mode "
				  "is called `ftfw'. Please, update "
				  "your conntrackd.conf file.\n");
			  return T_FTFW; }
{notrack}		{ return T_NOTRACK; }
{string}		{ yylval.string = strdup(yytext); return T_STRING; }

{comment}	;
{ws}		;
{nl}		;

<<EOF>>		{ yyterminate(); }

.		{ return yytext[0]; }

%%

int
yywrap()
{
	return 1;
}