Mercurial > syslog2iptables

annotate src/syslogconfig.cpp @ 73:4685767c0c85 stable-1-0-17

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RHEL7 systemd and /var/run on tmpfs
author Carl Byington <carl@five-ten-sg.com>
date Thu, 09 Feb 2017 15:01:05 -0800
parents 0e736950a117
children c6c8a2102a3e
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1 /*
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2
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3 Copyright (c) 2007 Carl Byington - 510 Software Group, released under
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4 the GPL version 3 or any later version at your choice available at
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5 http://www.gnu.org/licenses/gpl-3.0.txt
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6
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7 */
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8
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9 #include "includes.h"
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10 #include <fcntl.h>
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11 #include <sys/socket.h>
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12 #include <netinet/in.h>
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13 #include <arpa/inet.h>
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14 #include <netdb.h>
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15 #include <limits.h>
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16
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17 const char *token_add;
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18 const char *token_bucket;
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19 const char *token_context;
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20 const char *token_file;
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21 const char *token_ignore;
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22 const char *token_include;
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23 const char *token_index;
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24 const char *token_lbrace;
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25 const char *token_message;
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26 const char *token_pattern;
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27 const char *token_rbrace;
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28 const char *token_remove;
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29 const char *token_semi;
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30 const char *token_slash;
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31 const char *token_threshold;
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32 string_set all_strings;// owns all the strings, only modified by the config loader thread
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33 recorder_map recorders; // all the recorders are named
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34 const int maxlen = 1000; // used for snprintf buffers
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35 const int scale_max = 500000;
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36
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37
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38 ////////////////////////////////////////////////
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39 //
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40
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41 IPR::IPR() {
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42 reference_count = 0;
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43 daily_timer = 86400;
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44 }
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45
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46 IPR* IPR::find(const char* name) {
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47 recorder_map::iterator m = recorders.find(name);
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48 if (m == recorders.end()) recorders[name] = new IPR;
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49 recorders[name]->reference(1);
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50 return recorders[name];
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51 }
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53
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54 void IPR::release(const char* name) {
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55 recorder_map::iterator m = recorders.find(name);
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56 IPR* i = (*m).second;
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57 int r = i->reference(-1);
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58 if (r == 0) {
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59 delete i;
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60 recorders.erase(m);
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61 }
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62 }
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64
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65 void IPR::add(int ip, int amount, CONTEXT &con, const char *file_name, int pattern_index, const char *message) {
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66 if (con.looking(ip)) {
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67 if (amount > 0) {
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68 ip_buckets::iterator j = repeat_offenders.find(ip);
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69 int scale = (j == repeat_offenders.end()) ? 1 : (*j).second.count;
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70 amount *= scale;
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71
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72 ip_buckets::iterator i = violations.find(ip);
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73 if (i == violations.end()) {
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74 bucket b;
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75 b.count = amount;
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76 b.blocked = (con.get_threshold() <= b.count);
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77 violations[ip] = b;
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78 if (b.blocked) {
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79 update(ip, true, scale, file_name, pattern_index, message);
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80 changed(con, ip, true);
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81 }
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82 }
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83 else {
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84 bucket &b = (*i).second;
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85 if ((b.count >= 0) && (b.count < 2600000)) {
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86 // good authentication (count<0) prevents blocking
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87 // not much point in blocking for more than a month
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88 b.count += amount;
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89 if ((!b.blocked) && (con.get_threshold() <= b.count)) {
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90 b.blocked = true;
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91 update(ip, true, scale, file_name, pattern_index, message);
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92 changed(con, ip, true);
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93 }
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94 }
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95 }
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96 }
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97
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98 else if (amount < 0) {
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99 char buf[maxlen];
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100 in_addr ad;
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101 ad.s_addr = htonl(ip);
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102 snprintf(buf, maxlen, "%s for %s", message, inet_ntoa(ad));
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103 my_syslog(buf);
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104
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105 ip_buckets::iterator j = repeat_offenders.find(ip);
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106 if (j != repeat_offenders.end()) {
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107 repeat_offenders.erase(j++);
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108 snprintf(buf, maxlen, "removing %s from repeat offenders", inet_ntoa(ad));
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109 my_syslog(buf);
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110 }
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111 ip_buckets::iterator i = violations.find(ip);
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112 if (i == violations.end()) {
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113 bucket b;
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114 b.count = amount;
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115 b.blocked = false;
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116 violations[ip] = b;
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117 }
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118 else {
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119 bucket &b = (*i).second;
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120 b.count = amount;
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121 if (b.blocked) {
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122 update(ip, false, 0, NULL, 0, NULL);
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123 changed(con, ip, false);
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124 }
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125 }
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126 }
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127 }
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128 }
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129
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130
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131 void IPR::leak(int amount, CONTEXT &con) {
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132 for (ip_buckets::iterator i=violations.begin(); i!=violations.end(); ) {
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133 int ip = (*i).first;
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134 bucket &b = (*i).second;
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135 if (b.count < 0) {
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136 if (b.count >= -amount) violations.erase(i++);
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137 else {
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138 b.count += amount;
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139 i++;
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140 }
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141 }
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142 else {
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143 if (b.count <= amount) {
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144 if (b.blocked) {
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145 update(ip, false, 0, NULL, 0, NULL);
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146 changed(con, ip, false);
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147 }
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148 violations.erase(i++);
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149 }
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150 else {
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151 b.count -= amount;
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152 i++;
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153 }
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154 }
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155 }
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156 daily_timer -= amount;
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157 if (daily_timer < 0) {
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158 daily_timer = 86400;
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159 for (ip_buckets::iterator j=repeat_offenders.begin(); j!=repeat_offenders.end(); ) {
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160 int ip = (*j).first;
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161 bucket &b = (*j).second;
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162 b.count = b.count * 2 / 3;
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163 if (b.count <= 2) {
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164 repeat_offenders.erase(j++);
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165 char buf[maxlen];
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166 in_addr ad;
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167 ad.s_addr = htonl(ip);
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168 snprintf(buf, maxlen, "removing %s from repeat offenders", inet_ntoa(ad));
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169 my_syslog(buf);
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170 }
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171 else {
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172 j++;
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173 }
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174 }
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175 }
36
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176 }
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177
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178
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179 void IPR::free_all(CONTEXT &con) {
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180 if (debug_syslog > 2) {
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181 my_syslog("syslog2iptables shutting down");
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182 }
36
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183 for (ip_buckets::iterator i=violations.begin(); i!=violations.end(); i++) {
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184 int ip = (*i).first;
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185 bucket &b = (*i).second;
58
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186 if (b.blocked) {
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187 update(ip, false, 0, NULL, 0, NULL);
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188 changed(con, ip, false);
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189 }
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190 }
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191 violations.clear();
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192 }
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193
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194
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195 void IPR::update(int ip, bool added, int scale, const char *file_name, int pattern_index, const char *message) {
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196 if (debug_syslog > 2) {
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197 char buf[maxlen];
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198 in_addr ad;
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199 ad.s_addr = htonl(ip);
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200 if (added) {
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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
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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
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203 ip_buckets::iterator j = repeat_offenders.find(ip);
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204 if (j == repeat_offenders.end()) {
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205 bucket b;
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206 b.count = 2;
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207 b.blocked = true; // unused
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208 repeat_offenders[ip] = b;
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209 }
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210 else {
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211 bucket &b = (*j).second;
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212 if (b.count < scale_max) b.count = b.count * 3 / 2;
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213 }
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214 }
58
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diff changeset
215 else snprintf(buf, maxlen, "allowing traffic from/to %s", inet_ntoa(ad));
36
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216 my_syslog(buf);
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217 }
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218 }
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219
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220
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221 void IPR::changed(CONTEXT &con, int ip, bool added) {
36
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222 int t = con.get_threshold();
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223 char buf[maxlen];
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224 if (added) {
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225 bucket &b = violations[ip];
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226 if (con.looking(ip) && (b.count > t)) {
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227 in_addr ad;
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228 ad.s_addr = htonl(ip);
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229 snprintf(buf, maxlen, con.add_command, inet_ntoa(ad));
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230 system(buf);
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231 }
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232 }
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233 else {
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234 in_addr ad;
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235 ad.s_addr = htonl(ip);
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236 snprintf(buf, maxlen, con.remove_command, inet_ntoa(ad));
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237 system(buf);
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238 }
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239 }
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240
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241
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242 ////////////////////////////////////////////////
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243 //
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244 int ip_address(const char *have);
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245 int ip_address(const char *have) {
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246 int ipaddr = 0;
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247 in_addr ip;
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248 if (inet_aton(have, &ip)) ipaddr = ip.s_addr;
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249 else {
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250 struct hostent *host = gethostbyname(have);
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251 if (host && host->h_addrtype == AF_INET) memcpy(&ipaddr, host->h_addr, sizeof(ipaddr));
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252 }
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253 return ntohl(ipaddr);
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254 }
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255
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256
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257 ////////////////////////////////////////////////
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258 //
48
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diff changeset
259 PATTERN::PATTERN(TOKEN &tok, const char *pattern_, int index_, int amount_, const char *msg_) {
36
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diff changeset
260 pattern = pattern_;
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261 index = index_;
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262 amount = amount_;
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263 message = msg_;
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264 if (pattern) {
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265 int rc = regcomp(&re, pattern, REG_ICASE | REG_EXTENDED);
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266 if (rc) {
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267 char bu[maxlen];
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268 regerror(rc, &re, bu, maxlen);
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269 char buf[maxlen];
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270 snprintf(buf, sizeof(buf), "pattern %s not valid - %s", pattern, bu);
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271 tok.token_error(buf);
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272 pattern = NULL;
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273 }
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274 }
3
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275 }
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276
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277
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278 PATTERN::~PATTERN() {
36
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279 regfree(&re);
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280 }
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281
8fe310e5cd44 initial coding
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282
51
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diff changeset
283 bool PATTERN::process(char *buf, CONTEXT &con, const char *file_name, int pattern_index) {
36
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284 if (pattern) {
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285 const int nmatch = index+1;
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286 regmatch_t match[nmatch];
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287 if (0 == regexec(&re, buf, nmatch, match, 0)) {
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288 int s = match[index].rm_so;
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289 int e = match[index].rm_eo;
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290 if (s != -1) {
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291 if (debug_syslog > 3) {
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292 my_syslog(buf); // show lines with matches
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293 }
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294 buf[e] = '\0';
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295 int ip = ip_address(buf+s);
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diff changeset
296 if (ip) {
51
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diff changeset
297 con.recorder->add(ip, amount, con, file_name, pattern_index, message);
36
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298 }
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299 return true;
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300 }
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diff changeset
301 }
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diff changeset
302 }
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303 return false;
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diff changeset
304 }
8fe310e5cd44 initial coding
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305
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306
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diff changeset
307 void PATTERN::dump(int level) {
36
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diff changeset
308 char indent[maxlen];
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diff changeset
309 int i = min(maxlen-1, level*4);
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310 memset(indent, ' ', i);
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311 indent[i] = '\0';
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312 printf("%s pattern \"%s\" {; \n", indent, pattern);
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313 printf("%s index %d; \n", indent, index);
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314 printf("%s bucket %d; \n", indent, amount);
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315 if (message) printf("%s message \"%s\"; \n", indent, message);
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316 printf("%s }; \n", indent);
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317 }
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318
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319
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320 ////////////////////////////////////////////////
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diff changeset
321 //
51
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diff changeset
322 CONTEXT::CONTEXT(const char *nam) {
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diff changeset
323 name = nam;
36
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diff changeset
324 threshold = 500;
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325 add_command = "/sbin/iptables -I INPUT --src %s --jump DROP";
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diff changeset
326 remove_command = "/sbin/iptables -D INPUT --src %s --jump DROP";
51
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diff changeset
327 recorder = IPR::find(name);
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diff changeset
328 }
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329
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330
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
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diff changeset
331 ////////////////////////////////////////////////
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diff changeset
332 //
206448c00b55 Allow multiple contexts with independent add/remove commands.
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diff changeset
333 CONTEXT::~CONTEXT() {
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parents: 48
diff changeset
334 ignore.clear();
36
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335 for (syslogconfig_list::iterator i=syslogconfigs.begin(); i!=syslogconfigs.end(); i++) {
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diff changeset
336 SYSLOGCONFIG *c = *i;
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diff changeset
337 delete c;
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parents: 35
diff changeset
338 }
51
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diff changeset
339 IPR::release(name);
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340 }
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341
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342
51
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parents: 48
diff changeset
343 void CONTEXT::add_syslogconfig(SYSLOGCONFIGP con) {
36
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parents: 35
diff changeset
344 syslogconfigs.push_back(con);
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345 }
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346
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347
51
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diff changeset
348 void CONTEXT::add_pair(IPPAIR pair) {
36
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parents: 35
diff changeset
349 ignore.push_back(pair);
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diff changeset
350 }
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diff changeset
351
8fe310e5cd44 initial coding
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diff changeset
352
51
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diff changeset
353 void CONTEXT::dump() {
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Carl Byington <carl@five-ten-sg.com>
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diff changeset
354 string indents(" ");
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Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
355 const char *indent = indents.c_str();
3
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parents: 2
diff changeset
356
51
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diff changeset
357 printf("context %s {\n", name);
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diff changeset
358 printf("%s threshold %d; \n\n", indent, threshold);
27
28fec0c67646 make add/remove commands configureable
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parents: 24
diff changeset
359
51
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parents: 48
diff changeset
360 printf("%s add_command \"%s\"; \n", indent, add_command);
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parents: 48
diff changeset
361 printf("%s remove_command \"%s\"; \n\n", indent, remove_command);
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Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
362
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Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
363 printf("%s ignore { \n", indent);
36
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parents: 35
diff changeset
364 for (ippair_list::iterator i=ignore.begin(); i!=ignore.end(); i++) {
6a2f26976898 shutdown removes iptables entries that we added
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diff changeset
365 IPPAIR &p = *i;
6a2f26976898 shutdown removes iptables entries that we added
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diff changeset
366 in_addr ip;
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diff changeset
367 ip.s_addr = htonl(p.first);
51
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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
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diff changeset
369 }
51
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diff changeset
370 printf("%s }; \n\n", indent);
3
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parents: 2
diff changeset
371
36
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372 for (syslogconfig_list::iterator i=syslogconfigs.begin(); i!=syslogconfigs.end(); i++) {
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373 SYSLOGCONFIGP c = *i;
51
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diff changeset
374 c->dump(1);
36
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parents: 35
diff changeset
375 }
51
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parents: 48
diff changeset
376 printf("}; \n\n");
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377 }
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378
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379
51
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diff changeset
380 void CONTEXT::read(CONFIG &con) {
36
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diff changeset
381 while (true) {
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diff changeset
382 bool have = false;
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383 for (syslogconfig_list::iterator i=syslogconfigs.begin(); i!=syslogconfigs.end(); i++) {
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diff changeset
384 SYSLOGCONFIGP c = *i;
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diff changeset
385 have |= c->read(*this);
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diff changeset
386 }
6a2f26976898 shutdown removes iptables entries that we added
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diff changeset
387 if (!have) break;
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diff changeset
388 }
2
6e88da080f08 initial coding
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parents: 1
diff changeset
389 }
6e88da080f08 initial coding
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parents: 1
diff changeset
390
6e88da080f08 initial coding
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parents: 1
diff changeset
391
51
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diff changeset
392 void CONTEXT::free_all() {
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diff changeset
393 recorder->free_all(*this);
3
8fe310e5cd44 initial coding
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diff changeset
394 }
8fe310e5cd44 initial coding
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parents: 2
diff changeset
395
8fe310e5cd44 initial coding
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parents: 2
diff changeset
396
51
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parents: 48
diff changeset
397 void CONTEXT::leak(int delta) {
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Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
398 recorder->leak(delta, *this);
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Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
399
36
6a2f26976898 shutdown removes iptables entries that we added
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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
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diff changeset
408 return true;
3
8fe310e5cd44 initial coding
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parents: 2
diff changeset
409 }
8fe310e5cd44 initial coding
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parents: 2
diff changeset
410
8fe310e5cd44 initial coding
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parents: 2
diff changeset
411 ////////////////////////////////////////////////
8fe310e5cd44 initial coding
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parents: 2
diff changeset
412 //
51
206448c00b55 Allow multiple contexts with independent add/remove commands.
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parents: 48
diff changeset
413 CONFIG::CONFIG() {
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Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
414 reference_count = 0;
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Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
415 generation = 0;
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Carl Byington <carl@five-ten-sg.com>
parents: 48
diff changeset
416 load_time = 0;
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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.
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parents: 48
diff changeset
419
206448c00b55 Allow multiple contexts with independent add/remove commands.
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parents: 48
diff changeset
420 CONFIG::~CONFIG() {
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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.
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parents: 48
diff changeset
422 CONTEXT *c = *i;
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parents: 48
diff changeset
423 delete c;
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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() {
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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.
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parents: 48
diff changeset
431 c->dump();
206448c00b55 Allow multiple contexts with independent add/remove commands.
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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
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856 token_include = register_string("include");
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857 token_index = register_string("index");
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858 token_lbrace = register_string("{");
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859 token_message = register_string("message");
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860 token_pattern = register_string("pattern");
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861 token_rbrace = register_string("}");
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862 token_remove = register_string("remove_command");
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863 token_semi = register_string(";");
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864 token_slash = register_string("/");
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865 token_threshold = register_string("threshold");
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551433a01cab initial coding
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866 }