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annotate src/syslogconfig.h @ 48:ba0259c9e411 stable-1-0-11

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Fixes to compile on Fedora 9 and for const correctness
author Carl Byington <carl@five-ten-sg.com>
date Thu, 29 May 2008 11:38:42 -0700
parents 26c29da3fbdf
children 206448c00b55
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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
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10 class SYSLOGCONFIG;
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11 class CONFIG;
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12
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13 struct IPPAIR {
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14 int first;
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15 int last;
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16 int cidr;
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17 };
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18
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19 class PATTERN {
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20 const char * pattern; // owned by the string table
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21 regex_t re;
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22 int index; // zero based substring of the regex match that contains the ip address or hostname
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23 int amount; // count to add to the ip address leaky bucket
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24 const char * message; // for logging, owned by the string table
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25 public:
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26 ~PATTERN();
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27 PATTERN(TOKEN &tok, const char *pattern_, int index_, int amount_, const char *msg_);
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28 bool process(char *buf, CONFIG &con, const char *file_name, int pattern_index);
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29 void dump(int level);
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30 };
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31
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32 typedef SYSLOGCONFIG * SYSLOGCONFIGP;
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33 typedef PATTERN * PATTERNP;
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34 typedef list<SYSLOGCONFIGP> syslogconfig_list;
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35 typedef list<IPPAIR> ippair_list;
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36 typedef list<PATTERNP> pattern_list;
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37 const int buflen = 1024;
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38
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39 class SYSLOGCONFIG {
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40 TOKEN * tokp;
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41 const char * file_name; // name of the syslog file
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42 pattern_list patterns; // owns the patterns
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43 int fd;
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44 struct stat openfdstat;
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45 int len; // bytes in the buffer
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46 char buf[buflen];
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47 public:
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48 SYSLOGCONFIG(TOKEN &tok, const char *file_name_);
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49 ~SYSLOGCONFIG();
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50 bool failed() { return (fd == -1); };
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51 void open(bool msg);
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52 bool read(CONFIG &con);
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53 void close();
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54 void add_pattern(PATTERNP pat);
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55 void process(CONFIG &con);
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56 void dump(int level);
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57 };
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58
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59 class CONFIG {
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60 public:
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61 // the only mutable stuff once it has been loaded from the config file
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62 int reference_count; // protected by the global config_mutex
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63 // all the rest is constant after loading from the config file
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64 int generation;
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65 time_t load_time;
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66 string_set config_files;
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67 int threshold;
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68 ippair_list ignore; // owns all the ippairs
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69 const char * add_command; // owned by the string table
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70 const char * remove_command; // ""
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71 syslogconfig_list syslogconfigs; // owns all the syslogconfigs
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72
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73 CONFIG();
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74 ~CONFIG();
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75 void set_add(const char *add) { add_command = add; };
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76 void set_remove(const char *remove) { remove_command = remove; };
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77 void set_threshold(int threshold_) { threshold = threshold_; };
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78 int get_threshold() { return threshold; };
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79 void add_syslogconfig(SYSLOGCONFIGP con);
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80 void add_pair(IPPAIR pair);
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81 void dump();
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82 void read();
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83 void sleep(int duration, time_t &previous);
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84 void free_all();
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85 bool looking(int ip);
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86 };
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87
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88 void discard(string_set &s);
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89 const char* register_string(string_set &s, const char *name);
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90 const char* register_string(const char *name);
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91 void clear_strings();
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92 int ip_address(const char *have);
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93 bool load_conf(CONFIG &dc, const char *fn);
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94 void token_init();
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95
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96 extern const char *token_add;
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97 extern const char *token_bucket;
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98 extern const char *token_file;
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99 extern const char *token_ignore;
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100 extern const char *token_include;
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101 extern const char *token_index;
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102 extern const char *token_lbrace;
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103 extern const char *token_pattern;
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104 extern const char *token_rbrace;
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105 extern const char *token_remove;
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106 extern const char *token_semi;
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107 extern const char *token_slash;
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108 extern const char *token_threshold;
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109