Mercurial > syslog2iptables

annotate src/syslogconfig.cpp @ 75:ae5e6bcc5017

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
sendmail auth failure detection for both login and plain methods
author Carl Byington <carl@five-ten-sg.com>
date Mon, 24 Dec 2018 08:31:27 -0800
parents 0e736950a117
children c6c8a2102a3e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
1 /*
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
2
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
3 Copyright (c) 2007 Carl Byington - 510 Software Group, released under
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
4 the GPL version 3 or any later version at your choice available at
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
5 http://www.gnu.org/licenses/gpl-3.0.txt
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
6
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
7 */
1
551433a01cab initial coding
carl
parents:
diff changeset
8
551433a01cab initial coding
carl
parents:
diff changeset
9 #include "includes.h"
2
6e88da080f08 initial coding
carl
parents: 1
diff changeset
10 #include <fcntl.h>
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
11 #include <sys/socket.h>
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
12 #include <netinet/in.h>
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
13 #include <arpa/inet.h>
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
14 #include <netdb.h>
4
2737ab01659a initial coding
carl
parents: 3
diff changeset
15 #include <limits.h>
1
551433a01cab initial coding
carl
parents:
diff changeset
16
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
17 const char *token_add;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
18 const char *token_bucket;
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
19 const char *token_context;
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
20 const char *token_file;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
21 const char *token_ignore;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
22 const char *token_include;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
23 const char *token_index;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
24 const char *token_lbrace;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
25 const char *token_message;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
26 const char *token_pattern;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
27 const char *token_rbrace;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
28 const char *token_remove;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
29 const char *token_semi;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
30 const char *token_slash;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
31 const char *token_threshold;
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
32 string_set all_strings;// owns all the strings, only modified by the config loader thread
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
33 recorder_map recorders; // all the recorders are named
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
34 const int maxlen = 1000; // used for snprintf buffers
58
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
35 const int scale_max = 500000;
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
36
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
37
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
38 ////////////////////////////////////////////////
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
39 //
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
40
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
41 IPR::IPR() {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
42 reference_count = 0;
58
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
43 daily_timer = 86400;
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
44 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
45
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
46 IPR* IPR::find(const char* name) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
47 recorder_map::iterator m = recorders.find(name);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
48 if (m == recorders.end()) recorders[name] = new IPR;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
49 recorders[name]->reference(1);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
50 return recorders[name];
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
51 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
52
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
53
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
54 void IPR::release(const char* name) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
55 recorder_map::iterator m = recorders.find(name);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
56 IPR* i = (*m).second;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
57 int r = i->reference(-1);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
58 if (r == 0) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
59 delete i;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
60 recorders.erase(m);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
61 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
62 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
63
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
64
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
65 void IPR::add(int ip, int amount, CONTEXT &con, const char *file_name, int pattern_index, const char *message) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
66 if (con.looking(ip)) {
63
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
67 if (amount > 0) {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
68 ip_buckets::iterator j = repeat_offenders.find(ip);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
69 int scale = (j == repeat_offenders.end()) ? 1 : (*j).second.count;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
70 amount *= scale;
58
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
71
63
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
72 ip_buckets::iterator i = violations.find(ip);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
73 if (i == violations.end()) {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
74 bucket b;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
75 b.count = amount;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
76 b.blocked = (con.get_threshold() <= b.count);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
77 violations[ip] = b;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
78 if (b.blocked) {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
79 update(ip, true, scale, file_name, pattern_index, message);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
80 changed(con, ip, true);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
81 }
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
82 }
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
83 else {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
84 bucket &b = (*i).second;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
85 if ((b.count >= 0) && (b.count < 2600000)) {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
86 // good authentication (count<0) prevents blocking
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
87 // not much point in blocking for more than a month
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
88 b.count += amount;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
89 if ((!b.blocked) && (con.get_threshold() <= b.count)) {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
90 b.blocked = true;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
91 update(ip, true, scale, file_name, pattern_index, message);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
92 changed(con, ip, true);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
93 }
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
94 }
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
95 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
96 }
63
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
97
69
0e736950a117 fix post uninstall script; allow config bucket count zero to disable a pattern
Carl Byington <carl@five-ten-sg.com>
parents: 63
diff changeset
98 else if (amount < 0) {
63
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
99 char buf[maxlen];
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
100 in_addr ad;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
101 ad.s_addr = htonl(ip);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
102 snprintf(buf, maxlen, "%s for %s", message, inet_ntoa(ad));
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
103 my_syslog(buf);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
104
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
105 ip_buckets::iterator j = repeat_offenders.find(ip);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
106 if (j != repeat_offenders.end()) {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
107 repeat_offenders.erase(j++);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
108 snprintf(buf, maxlen, "removing %s from repeat offenders", inet_ntoa(ad));
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
109 my_syslog(buf);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
110 }
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
111 ip_buckets::iterator i = violations.find(ip);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
112 if (i == violations.end()) {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
113 bucket b;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
114 b.count = amount;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
115 b.blocked = false;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
116 violations[ip] = b;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
117 }
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
118 else {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
119 bucket &b = (*i).second;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
120 b.count = amount;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
121 if (b.blocked) {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
122 update(ip, false, 0, NULL, 0, NULL);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
123 changed(con, ip, false);
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
124 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
125 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
126 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
127 }
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
128 }
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
129
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
130
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
131 void IPR::leak(int amount, CONTEXT &con) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
132 for (ip_buckets::iterator i=violations.begin(); i!=violations.end(); ) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
133 int ip = (*i).first;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
134 bucket &b = (*i).second;
63
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
135 if (b.count < 0) {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
136 if (b.count >= -amount) violations.erase(i++);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
137 else {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
138 b.count += amount;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
139 i++;
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
140 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
141 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
142 else {
63
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
143 if (b.count <= amount) {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
144 if (b.blocked) {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
145 update(ip, false, 0, NULL, 0, NULL);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
146 changed(con, ip, false);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
147 }
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
148 violations.erase(i++);
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
149 }
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
150 else {
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
151 b.count -= amount;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
152 i++;
60f59936fabb good authentication prevents ip blocking for awhile
Carl Byington <carl@five-ten-sg.com>
parents: 59
diff changeset
153 }
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
154 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
155 }
58
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
156 daily_timer -= amount;
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
157 if (daily_timer < 0) {
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
158 daily_timer = 86400;
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
159 for (ip_buckets::iterator j=repeat_offenders.begin(); j!=repeat_offenders.end(); ) {
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
160 int ip = (*j).first;
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
161 bucket &b = (*j).second;
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
162 b.count = b.count * 2 / 3;
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
163 if (b.count <= 2) {
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
164 repeat_offenders.erase(j++);
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
165 char buf[maxlen];
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
166 in_addr ad;
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
167 ad.s_addr = htonl(ip);
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
168 snprintf(buf, maxlen, "removing %s from repeat offenders", inet_ntoa(ad));
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
169 my_syslog(buf);
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
170 }
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
171 else {
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
172 j++;
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
173 }
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
174 }
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
175 }
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
176 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
177
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
178
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
179 void IPR::free_all(CONTEXT &con) {
37
e4eb969dfc4a shutdown removes iptables entries that we added
carl
parents: 36
diff changeset
180 if (debug_syslog > 2) {
e4eb969dfc4a shutdown removes iptables entries that we added
carl
parents: 36
diff changeset
181 my_syslog("syslog2iptables shutting down");
e4eb969dfc4a shutdown removes iptables entries that we added
carl
parents: 36
diff changeset
182 }
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
183 for (ip_buckets::iterator i=violations.begin(); i!=violations.end(); i++) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
184 int ip = (*i).first;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
185 bucket &b = (*i).second;
58
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
186 if (b.blocked) {
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
187 update(ip, false, 0, NULL, 0, NULL);
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
188 changed(con, ip, false);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
189 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
190 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
191 violations.clear();
20
0d65c3de34fd add better logging
carl
parents: 12
diff changeset
192 }
0d65c3de34fd add better logging
carl
parents: 12
diff changeset
193
0d65c3de34fd add better logging
carl
parents: 12
diff changeset
194
58
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
195 void IPR::update(int ip, bool added, int scale, const char *file_name, int pattern_index, const char *message) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
196 if (debug_syslog > 2) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
197 char buf[maxlen];
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
198 in_addr ad;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
199 ad.s_addr = htonl(ip);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
200 if (added) {
58
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
201 if (message) snprintf(buf, maxlen, "dropping traffic from/to %s based on %s in %s, scale %d", inet_ntoa(ad), message, file_name, scale);
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
202 else snprintf(buf, maxlen, "dropping traffic from/to %s based on pattern match %d in %s", inet_ntoa(ad), pattern_index, file_name);
58
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
203 ip_buckets::iterator j = repeat_offenders.find(ip);
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
204 if (j == repeat_offenders.end()) {
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
205 bucket b;
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
206 b.count = 2;
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
207 b.blocked = true; // unused
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
208 repeat_offenders[ip] = b;
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
209 }
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
210 else {
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
211 bucket &b = (*j).second;
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
212 if (b.count < scale_max) b.count = b.count * 3 / 2;
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
213 }
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
214 }
58
b45dddebe8fc Add exponential increase in penalty for repeat offenders
Carl Byington <carl@five-ten-sg.com>
parents: 51
diff changeset
215 else snprintf(buf, maxlen, "allowing traffic from/to %s", inet_ntoa(ad));
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
216 my_syslog(buf);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
217 }
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
218 }
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
219
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
220
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
221 void IPR::changed(CONTEXT &con, int ip, bool added) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
222 int t = con.get_threshold();
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
223 char buf[maxlen];
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
224 if (added) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
225 bucket &b = violations[ip];
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
226 if (con.looking(ip) && (b.count > t)) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
227 in_addr ad;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
228 ad.s_addr = htonl(ip);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
229 snprintf(buf, maxlen, con.add_command, inet_ntoa(ad));
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
230 system(buf);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
231 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
232 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
233 else {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
234 in_addr ad;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
235 ad.s_addr = htonl(ip);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
236 snprintf(buf, maxlen, con.remove_command, inet_ntoa(ad));
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
237 system(buf);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
238 }
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
239 }
1
551433a01cab initial coding
carl
parents:
diff changeset
240
551433a01cab initial coding
carl
parents:
diff changeset
241
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
242 ////////////////////////////////////////////////
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
243 //
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
244 int ip_address(const char *have);
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
245 int ip_address(const char *have) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
246 int ipaddr = 0;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
247 in_addr ip;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
248 if (inet_aton(have, &ip)) ipaddr = ip.s_addr;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
249 else {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
250 struct hostent *host = gethostbyname(have);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
251 if (host && host->h_addrtype == AF_INET) memcpy(&ipaddr, host->h_addr, sizeof(ipaddr));
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
252 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
253 return ntohl(ipaddr);
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
254 }
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
255
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
256
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
257 ////////////////////////////////////////////////
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
258 //
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
259 PATTERN::PATTERN(TOKEN &tok, const char *pattern_, int index_, int amount_, const char *msg_) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
260 pattern = pattern_;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
261 index = index_;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
262 amount = amount_;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
263 message = msg_;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
264 if (pattern) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
265 int rc = regcomp(&re, pattern, REG_ICASE | REG_EXTENDED);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
266 if (rc) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
267 char bu[maxlen];
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
268 regerror(rc, &re, bu, maxlen);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
269 char buf[maxlen];
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
270 snprintf(buf, sizeof(buf), "pattern %s not valid - %s", pattern, bu);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
271 tok.token_error(buf);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
272 pattern = NULL;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
273 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
274 }
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
275 }
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
276
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
277
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
278 PATTERN::~PATTERN() {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
279 regfree(&re);
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
280 }
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
281
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
282
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
283 bool PATTERN::process(char *buf, CONTEXT &con, const char *file_name, int pattern_index) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
284 if (pattern) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
285 const int nmatch = index+1;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
286 regmatch_t match[nmatch];
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
287 if (0 == regexec(&re, buf, nmatch, match, 0)) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
288 int s = match[index].rm_so;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
289 int e = match[index].rm_eo;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
290 if (s != -1) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
291 if (debug_syslog > 3) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
292 my_syslog(buf); // show lines with matches
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
293 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
294 buf[e] = '\0';
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
295 int ip = ip_address(buf+s);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
296 if (ip) {
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
297 con.recorder->add(ip, amount, con, file_name, pattern_index, message);
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
298 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
299 return true;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
300 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
301 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
302 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
303 return false;
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
304 }
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
305
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
306
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
307 void PATTERN::dump(int level) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
308 char indent[maxlen];
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
309 int i = min(maxlen-1, level*4);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
310 memset(indent, ' ', i);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
311 indent[i] = '\0';
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
312 printf("%s pattern \"%s\" {; \n", indent, pattern);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
313 printf("%s index %d; \n", indent, index);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
314 printf("%s bucket %d; \n", indent, amount);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
315 if (message) printf("%s message \"%s\"; \n", indent, message);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
316 printf("%s }; \n", indent);
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
317 }
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
318
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
319
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
320 ////////////////////////////////////////////////
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
321 //
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
322 CONTEXT::CONTEXT(const char *nam) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
323 name = nam;
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
324 threshold = 500;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
325 add_command = "/sbin/iptables -I INPUT --src %s --jump DROP";
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
326 remove_command = "/sbin/iptables -D INPUT --src %s --jump DROP";
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
327 recorder = IPR::find(name);
1
551433a01cab initial coding
carl
parents:
diff changeset
328 }
551433a01cab initial coding
carl
parents:
diff changeset
329
551433a01cab initial coding
carl
parents:
diff changeset
330
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
331 ////////////////////////////////////////////////
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
332 //
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
333 CONTEXT::~CONTEXT() {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
334 ignore.clear();
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
335 for (syslogconfig_list::iterator i=syslogconfigs.begin(); i!=syslogconfigs.end(); i++) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
336 SYSLOGCONFIG *c = *i;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
337 delete c;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
338 }
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
339 IPR::release(name);
1
551433a01cab initial coding
carl
parents:
diff changeset
340 }
551433a01cab initial coding
carl
parents:
diff changeset
341
551433a01cab initial coding
carl
parents:
diff changeset
342
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
343 void CONTEXT::add_syslogconfig(SYSLOGCONFIGP con) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
344 syslogconfigs.push_back(con);
1
551433a01cab initial coding
carl
parents:
diff changeset
345 }
551433a01cab initial coding
carl
parents:
diff changeset
346
551433a01cab initial coding
carl
parents:
diff changeset
347
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
348 void CONTEXT::add_pair(IPPAIR pair) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
349 ignore.push_back(pair);
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
350 }
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
351
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
352
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
353 void CONTEXT::dump() {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
354 string indents(" ");
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
355 const char *indent = indents.c_str();
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
356
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
357 printf("context %s {\n", name);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
358 printf("%s threshold %d; \n\n", indent, threshold);
27
28fec0c67646 make add/remove commands configureable
carl
parents: 24
diff changeset
359
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
360 printf("%s add_command \"%s\"; \n", indent, add_command);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
361 printf("%s remove_command \"%s\"; \n\n", indent, remove_command);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
362
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
363 printf("%s ignore { \n", indent);
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
364 for (ippair_list::iterator i=ignore.begin(); i!=ignore.end(); i++) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
365 IPPAIR &p = *i;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
366 in_addr ip;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
367 ip.s_addr = htonl(p.first);
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
368 printf("%s %s/%d; \n", indent, inet_ntoa(ip), p.cidr);
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
369 }
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
370 printf("%s }; \n\n", indent);
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
371
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
372 for (syslogconfig_list::iterator i=syslogconfigs.begin(); i!=syslogconfigs.end(); i++) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
373 SYSLOGCONFIGP c = *i;
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
374 c->dump(1);
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
375 }
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
376 printf("}; \n\n");
1
551433a01cab initial coding
carl
parents:
diff changeset
377 }
551433a01cab initial coding
carl
parents:
diff changeset
378
551433a01cab initial coding
carl
parents:
diff changeset
379
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
380 void CONTEXT::read(CONFIG &con) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
381 while (true) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
382 bool have = false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
383 for (syslogconfig_list::iterator i=syslogconfigs.begin(); i!=syslogconfigs.end(); i++) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
384 SYSLOGCONFIGP c = *i;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
385 have |= c->read(*this);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
386 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
387 if (!have) break;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
388 }
2
6e88da080f08 initial coding
carl
parents: 1
diff changeset
389 }
6e88da080f08 initial coding
carl
parents: 1
diff changeset
390
6e88da080f08 initial coding
carl
parents: 1
diff changeset
391
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
392 void CONTEXT::free_all() {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
393 recorder->free_all(*this);
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
394 }
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
395
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
396
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
397 void CONTEXT::leak(int delta) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
398 recorder->leak(delta, *this);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
399
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
400 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
401
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
402
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
403 bool CONTEXT::looking(int ip) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
404 for (ippair_list::iterator i=ignore.begin(); i!=ignore.end(); i++) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
405 IPPAIR &p = *i;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
406 if ((p.first <= ip) && (ip <= p.last)) return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
407 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
408 return true;
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
409 }
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
410
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
411 ////////////////////////////////////////////////
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
412 //
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
413 CONFIG::CONFIG() {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
414 reference_count = 0;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
415 generation = 0;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
416 load_time = 0;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
417 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
418
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
419
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
420 CONFIG::~CONFIG() {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
421 for (context_list::iterator i=contexts.begin(); i!=contexts.end(); i++) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
422 CONTEXT *c = *i;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
423 delete c;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
424 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
425 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
426
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
427
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
428 void CONFIG::dump() {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
429 for (context_list::iterator i=contexts.begin(); i!=contexts.end(); i++) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
430 CONTEXTP c = *i;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
431 c->dump();
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
432 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
433 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
434
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
435
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
436 void CONFIG::read() {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
437 for (context_list::iterator i=contexts.begin(); i!=contexts.end(); i++) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
438 CONTEXT *c = *i;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
439 c->read(*this);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
440 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
441 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
442
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
443
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
444 void CONFIG::sleep(int duration, time_t &previous) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
445 ::sleep(duration);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
446 time_t now = time(NULL);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
447 for (context_list::iterator i=contexts.begin(); i!=contexts.end(); i++) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
448 CONTEXT *c = *i;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
449 c->leak(now-previous);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
450 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
451 previous = now;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
452 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
453
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
454
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
455 void CONFIG::free_all() {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
456 for (context_list::iterator i=contexts.begin(); i!=contexts.end(); i++) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
457 CONTEXT *c = *i;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
458 c->free_all();
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
459 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
460 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
461
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
462
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
463 ////////////////////////////////////////////////
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
464 //
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
465 SYSLOGCONFIG::SYSLOGCONFIG(TOKEN &tok, const char *file_name_) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
466 tokp = &tok;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
467 file_name = file_name_;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
468 open(true);
1
551433a01cab initial coding
carl
parents:
diff changeset
469 }
551433a01cab initial coding
carl
parents:
diff changeset
470
551433a01cab initial coding
carl
parents:
diff changeset
471
551433a01cab initial coding
carl
parents:
diff changeset
472 SYSLOGCONFIG::~SYSLOGCONFIG() {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
473 close();
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
474 for (pattern_list::iterator i=patterns.begin(); i!=patterns.end(); i++) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
475 PATTERN *p = *i;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
476 delete p;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
477 }
2
6e88da080f08 initial coding
carl
parents: 1
diff changeset
478 }
6e88da080f08 initial coding
carl
parents: 1
diff changeset
479
6e88da080f08 initial coding
carl
parents: 1
diff changeset
480
4
2737ab01659a initial coding
carl
parents: 3
diff changeset
481 void SYSLOGCONFIG::open(bool msg) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
482 fd = ::open(file_name, O_RDONLY);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
483 len = 0;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
484 if (fd == -1) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
485 if (msg) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
486 char buf[maxlen];
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
487 snprintf(buf, sizeof(buf), "syslog file %s not readable", file_name);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
488 tokp->token_error(buf);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
489 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
490 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
491 else {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
492 if (debug_syslog > 1) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
493 snprintf(buf, sizeof(buf), "syslog file %s opened", file_name);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
494 my_syslog(buf);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
495 }
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
496 if (msg) lseek(fd, 0, SEEK_END);
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
497 if (fstat(fd, &openfdstat)) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
498 close();
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
499 snprintf(buf, sizeof(buf), "syslog file %s cannot stat after open", file_name);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
500 tokp->token_error(buf);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
501 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
502 // specify that this fd gets closed on exec, so that selinux
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
503 // won't complain about iptables trying to read log files.
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
504 int oldflags = fcntl(fd, F_GETFD, 0);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
505 if (oldflags >= 0) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
506 fcntl(fd, F_SETFD, oldflags | FD_CLOEXEC);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
507 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
508 }
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
509 }
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
510
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
511
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
512 bool SYSLOGCONFIG::read(CONTEXT &con) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
513 if (failed()) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
514 open(false);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
515 if (failed()) return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
516 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
517 int n = ::read(fd, buf+len, buflen-len);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
518 bool have = (n > 0);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
519 if (have) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
520 len += n;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
521 while (true) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
522 char *p = (char*)memchr(buf, '\n', len);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
523 if (!p) break;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
524 n = p-buf;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
525 *p = '\0';
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
526 process(con); // process null terminated string
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
527 len -= n+1;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
528 memmove(buf, p+1, len);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
529 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
530 // no <lf> in a full buffer
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
531 if (len == buflen) len = 0;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
532 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
533 else {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
534 // check for file close
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
535 struct stat filenamest;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
536 if (0 == stat(file_name, &filenamest)) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
537 if ((filenamest.st_dev != openfdstat.st_dev) ||
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
538 (filenamest.st_ino != openfdstat.st_ino)) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
539 close();
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
540 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
541 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
542 else {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
543 // filename no longer exists
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
544 close();
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
545 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
546 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
547 return have;
2
6e88da080f08 initial coding
carl
parents: 1
diff changeset
548 }
6e88da080f08 initial coding
carl
parents: 1
diff changeset
549
6e88da080f08 initial coding
carl
parents: 1
diff changeset
550
4
2737ab01659a initial coding
carl
parents: 3
diff changeset
551 void SYSLOGCONFIG::close() {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
552 if (debug_syslog > 1) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
553 snprintf(buf, sizeof(buf), "syslog file %s closed", file_name);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
554 my_syslog(buf);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
555 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
556 if (fd != -1) ::close(fd);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
557 fd = -1;
4
2737ab01659a initial coding
carl
parents: 3
diff changeset
558 }
2737ab01659a initial coding
carl
parents: 3
diff changeset
559
2737ab01659a initial coding
carl
parents: 3
diff changeset
560
2737ab01659a initial coding
carl
parents: 3
diff changeset
561 void SYSLOGCONFIG::add_pattern(PATTERNP pat) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
562 patterns.push_back(pat);
4
2737ab01659a initial coding
carl
parents: 3
diff changeset
563 }
2737ab01659a initial coding
carl
parents: 3
diff changeset
564
2737ab01659a initial coding
carl
parents: 3
diff changeset
565
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
566 void SYSLOGCONFIG::process(CONTEXT &con) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
567 int pi=0;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
568 for (pattern_list::iterator i=patterns.begin(); i!=patterns.end(); i++) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
569 PATTERN *p = *i;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
570 if (p->process(buf, con, file_name, pi)) break;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
571 pi++;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
572 }
1
551433a01cab initial coding
carl
parents:
diff changeset
573 }
551433a01cab initial coding
carl
parents:
diff changeset
574
551433a01cab initial coding
carl
parents:
diff changeset
575
551433a01cab initial coding
carl
parents:
diff changeset
576 void SYSLOGCONFIG::dump(int level) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
577 char indent[maxlen];
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
578 int i = min(maxlen-1, level*4);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
579 memset(indent, ' ', i);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
580 indent[i] = '\0';
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
581 printf("%s file \"%s\" {\n", indent, file_name);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
582 for (pattern_list::iterator i=patterns.begin(); i!=patterns.end(); i++) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
583 PATTERN *p = *i;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
584 p->dump(level+1);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
585 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
586 printf("%s }; \n", indent);
1
551433a01cab initial coding
carl
parents:
diff changeset
587 }
551433a01cab initial coding
carl
parents:
diff changeset
588
551433a01cab initial coding
carl
parents:
diff changeset
589
551433a01cab initial coding
carl
parents:
diff changeset
590 ////////////////////////////////////////////////
551433a01cab initial coding
carl
parents:
diff changeset
591 // helper to discard the strings held by a string_set
551433a01cab initial coding
carl
parents:
diff changeset
592 //
551433a01cab initial coding
carl
parents:
diff changeset
593 void discard(string_set &s) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
594 for (string_set::iterator i=s.begin(); i!=s.end(); i++) {
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
595 free((void*)*i);
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
596 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
597 s.clear();
1
551433a01cab initial coding
carl
parents:
diff changeset
598 }
551433a01cab initial coding
carl
parents:
diff changeset
599
551433a01cab initial coding
carl
parents:
diff changeset
600
551433a01cab initial coding
carl
parents:
diff changeset
601 ////////////////////////////////////////////////
551433a01cab initial coding
carl
parents:
diff changeset
602 // helper to register a string in a string set
551433a01cab initial coding
carl
parents:
diff changeset
603 //
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
604 const char* register_string(string_set &s, const char *name) {
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
605 string_set::const_iterator i = s.find(name);
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
606 if (i != s.end()) return *i;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
607 char *x = strdup(name);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
608 s.insert(x);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
609 return x;
1
551433a01cab initial coding
carl
parents:
diff changeset
610 }
551433a01cab initial coding
carl
parents:
diff changeset
611
551433a01cab initial coding
carl
parents:
diff changeset
612
551433a01cab initial coding
carl
parents:
diff changeset
613 ////////////////////////////////////////////////
551433a01cab initial coding
carl
parents:
diff changeset
614 // register a global string
551433a01cab initial coding
carl
parents:
diff changeset
615 //
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
616 const char* register_string(const char *name) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
617 return register_string(all_strings, name);
1
551433a01cab initial coding
carl
parents:
diff changeset
618 }
551433a01cab initial coding
carl
parents:
diff changeset
619
551433a01cab initial coding
carl
parents:
diff changeset
620
551433a01cab initial coding
carl
parents:
diff changeset
621 ////////////////////////////////////////////////
38
26c29da3fbdf shutdown removes iptables entries that we added
carl
parents: 37
diff changeset
622 // clear all global strings, helper for valgrind checking
26c29da3fbdf shutdown removes iptables entries that we added
carl
parents: 37
diff changeset
623 //
26c29da3fbdf shutdown removes iptables entries that we added
carl
parents: 37
diff changeset
624 void clear_strings() {
26c29da3fbdf shutdown removes iptables entries that we added
carl
parents: 37
diff changeset
625 discard(all_strings);
26c29da3fbdf shutdown removes iptables entries that we added
carl
parents: 37
diff changeset
626 }
26c29da3fbdf shutdown removes iptables entries that we added
carl
parents: 37
diff changeset
627
26c29da3fbdf shutdown removes iptables entries that we added
carl
parents: 37
diff changeset
628
26c29da3fbdf shutdown removes iptables entries that we added
carl
parents: 37
diff changeset
629 ////////////////////////////////////////////////
1
551433a01cab initial coding
carl
parents:
diff changeset
630 //
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
631 bool tsa(TOKEN &tok, const char *token);
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
632 bool tsa(TOKEN &tok, const char *token) {
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
633 const char *have = tok.next();
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
634 if (have == token) return true;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
635 tok.token_error(token, have);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
636 return false;
1
551433a01cab initial coding
carl
parents:
diff changeset
637 }
551433a01cab initial coding
carl
parents:
diff changeset
638
551433a01cab initial coding
carl
parents:
diff changeset
639
551433a01cab initial coding
carl
parents:
diff changeset
640 ////////////////////////////////////////////////
551433a01cab initial coding
carl
parents:
diff changeset
641 //
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
642 bool parse_pattern(TOKEN &tok, SYSLOGCONFIG &con, CONTEXT &me);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
643 bool parse_pattern(TOKEN &tok, SYSLOGCONFIG &con, CONTEXT &me) {
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
644 const char *pat = tok.next();
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
645 int ind = 0;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
646 int buc = 0;
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
647 const char *msg = NULL;
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
648 if (!tsa(tok, token_lbrace)) return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
649 while (true) {
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
650 const char *have = tok.next();
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
651 if (!have) break;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
652 if (have == token_rbrace) break;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
653 if (have == token_index) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
654 have = tok.next();
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
655 ind = atoi(have);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
656 if (!tsa(tok, token_semi)) return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
657 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
658 else if (have == token_bucket) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
659 have = tok.next();
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
660 buc = atoi(have);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
661 if (!tsa(tok, token_semi)) return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
662 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
663 else if (have == token_message) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
664 msg = tok.next();
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
665 if (!tsa(tok, token_semi)) return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
666 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
667 else {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
668 tok.token_error("index/bucket", have);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
669 return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
670 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
671 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
672 if (!tsa(tok, token_semi)) return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
673 PATTERNP patt = new PATTERN(tok, pat, ind, buc, msg);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
674 con.add_pattern(patt);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
675 return true;
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
676 }
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
677
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
678
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
679 ////////////////////////////////////////////////
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
680 //
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
681 bool parse_ignore(TOKEN &tok, CONFIG &dc, CONTEXT &me);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
682 bool parse_ignore(TOKEN &tok, CONFIG &dc, CONTEXT &me) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
683 if (!tsa(tok, token_lbrace)) return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
684 while (true) {
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
685 const char *have = tok.next();
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
686 if (!have) break;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
687 if (have == token_rbrace) break;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
688 int ipaddr = ip_address(have);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
689 if (ipaddr == 0) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
690 tok.token_error("ip address", have);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
691 return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
692 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
693 if (!tsa(tok, token_slash)) return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
694 have = tok.next();
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
695 int mask = atoi(have);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
696 if ((mask < 8) || (mask > 32)) {
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
697 tok.token_error("cidr 8..32 value", have);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
698 return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
699 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
700 if (!tsa(tok, token_semi)) return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
701 IPPAIR pair;
59
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
702 const unsigned int masks[33] = {0xffffffff, // 0
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
703 0x7fffffff, // 1
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
704 0x3fffffff, // 2
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
705 0x1fffffff, // 3
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
706 0x0fffffff, // 4
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
707 0x07ffffff, // 5
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
708 0x03ffffff, // 6
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
709 0x01ffffff, // 7
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
710 0x00ffffff, // 8
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
711 0x007fffff, // 9
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
712 0x003fffff, // 10
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
713 0x001fffff, // 11
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
714 0x000fffff, // 12
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
715 0x0007ffff, // 13
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
716 0x0003ffff, // 14
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
717 0x0001ffff, // 15
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
718 0x0000ffff, // 16
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
719 0x00007fff, // 17
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
720 0x00003fff, // 18
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
721 0x00001fff, // 19
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
722 0x00000fff, // 20
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
723 0x000007ff, // 21
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
724 0x000003ff, // 22
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
725 0x000001ff, // 23
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
726 0x000000ff, // 24
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
727 0x0000007f, // 25
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
728 0x0000003f, // 26
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
729 0x0000001f, // 27
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
730 0x0000000f, // 28
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
731 0x00000007, // 29
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
732 0x00000003, // 30
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
733 0x00000001, // 31
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
734 0x00000000}; // 32
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
735 pair.first = ipaddr;
59
f133196b8591 fix c++11 compiler warnings
Carl Byington <carl@five-ten-sg.com>
parents: 58
diff changeset
736 pair.last = ipaddr | (int)masks[mask];
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
737 pair.cidr = mask;
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
738 me.add_pair(pair);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
739 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
740 if (!tsa(tok, token_semi)) return false;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
741 return true;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
742 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
743
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
744
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
745 ////////////////////////////////////////////////
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
746 //
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
747 bool parse_syslogconfig(TOKEN &tok, CONFIG &dc, CONTEXT &me);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
748 bool parse_syslogconfig(TOKEN &tok, CONFIG &dc, CONTEXT &me) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
749 const char *name = tok.next();
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
750 if (!tsa(tok, token_lbrace)) return false;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
751 SYSLOGCONFIGP con = new SYSLOGCONFIG(tok, name);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
752 if (con->failed()) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
753 delete con;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
754 return false;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
755 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
756 me.add_syslogconfig(con);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
757 while (true) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
758 const char *have = tok.next();
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
759 if (!have) break;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
760 if (have == token_rbrace) break;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
761 if (have == token_pattern) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
762 if (!parse_pattern(tok, *con, me)) return false;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
763 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
764 else {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
765 tok.token_error("pattern", have);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
766 return false;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
767 }
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
768 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
769 if (!tsa(tok, token_semi)) return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
770 return true;
3
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
771 }
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
772
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
773
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
774 ////////////////////////////////////////////////
8fe310e5cd44 initial coding
carl
parents: 2
diff changeset
775 //
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
776 bool parse_context(TOKEN &tok, CONFIG &dc, CONTEXTP parent);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
777 bool parse_context(TOKEN &tok, CONFIG &dc, CONTEXTP parent) {
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
778 const char *name = tok.next();
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
779 if (!tsa(tok, token_lbrace)) return false;
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
780 CONTEXTP con = new CONTEXT(name);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
781
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
782 while (true) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
783 const char *have = tok.next();
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
784 if (!have) break;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
785 if (have == token_rbrace) break; // done
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
786 if (have == token_threshold) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
787 have = tok.next();
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
788 con->set_threshold(atoi(have));
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
789 if (!tsa(tok, token_semi)) return false;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
790 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
791 else if (have == token_ignore) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
792 if (!parse_ignore(tok, dc, *con)) return false;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
793 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
794 else if (have == token_add) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
795 have = tok.next();
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
796 con->set_add(have);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
797 if (!tsa(tok, token_semi)) return false;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
798 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
799 else if (have == token_remove) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
800 have = tok.next();
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
801 con->set_remove(have);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
802 if (!tsa(tok, token_semi)) return false;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
803 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
804 else if (have == token_file) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
805 if (!parse_syslogconfig(tok, dc, *con)) return false;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
806 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
807 else {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
808 tok.token_error("threshold/ignore/add_command/remove_command/file", have);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
809 return false;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
810 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
811 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
812 if (!tsa(tok, token_semi)) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
813 delete con;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
814 return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
815 }
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
816 dc.add_context(con);
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
817 return true;
1
551433a01cab initial coding
carl
parents:
diff changeset
818 }
551433a01cab initial coding
carl
parents:
diff changeset
819
551433a01cab initial coding
carl
parents:
diff changeset
820
551433a01cab initial coding
carl
parents:
diff changeset
821 ////////////////////////////////////////////////
551433a01cab initial coding
carl
parents:
diff changeset
822 // parse a config file
551433a01cab initial coding
carl
parents:
diff changeset
823 //
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
824 bool load_conf(CONFIG &dc, const char *fn) {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
825 int count = 0;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
826 TOKEN tok(fn, &dc.config_files);
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
827 while (true) {
48
ba0259c9e411 Fixes to compile on Fedora 9 and for const correctness
Carl Byington <carl@five-ten-sg.com>
parents: 42
diff changeset
828 const char *have = tok.next();
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
829 if (!have) break;
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
830 if (have == token_context) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
831 if (!parse_context(tok, dc, NULL)) {
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
832 tok.token_error("load_conf() failed to parse context");
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
833 return false;
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
834 }
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
835 else count++;
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
836 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
837 else {
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
838 tok.token_error(token_context, have);
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
839 return false;
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
840 }
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
841 }
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
842 tok.token_error("load_conf() found %d contexts in %s", count, fn);
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
843 return (!dc.contexts.empty());
1
551433a01cab initial coding
carl
parents:
diff changeset
844 }
551433a01cab initial coding
carl
parents:
diff changeset
845
551433a01cab initial coding
carl
parents:
diff changeset
846
551433a01cab initial coding
carl
parents:
diff changeset
847 ////////////////////////////////////////////////
551433a01cab initial coding
carl
parents:
diff changeset
848 // init the tokens
551433a01cab initial coding
carl
parents:
diff changeset
849 //
551433a01cab initial coding
carl
parents:
diff changeset
850 void token_init() {
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
851 token_add = register_string("add_command");
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
852 token_bucket = register_string("bucket");
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
853 token_context = register_string("context");
36
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
854 token_file = register_string("file");
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
855 token_ignore = register_string("ignore");
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
856 token_include = register_string("include");
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
857 token_index = register_string("index");
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
858 token_lbrace = register_string("{");
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
859 token_message = register_string("message");
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
860 token_pattern = register_string("pattern");
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
861 token_rbrace = register_string("}");
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
862 token_remove = register_string("remove_command");
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
863 token_semi = register_string(";");
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
864 token_slash = register_string("/");
6a2f26976898 shutdown removes iptables entries that we added
carl
parents: 35
diff changeset
865 token_threshold = register_string("threshold");
1
551433a01cab initial coding
carl
parents:
diff changeset
866 }