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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
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11 struct ltint
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12 {
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13 bool operator()(const int s1, const int s2) const
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14 {
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15 return (unsigned)s1 < (unsigned)s2;
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16 }
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17 };
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18
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19
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20 const int buflen = 1024;
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21
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22
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23 class CONFIG {
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24 public:
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25 // the only mutable stuff once it has been loaded from the config file
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26 int reference_count; // protected by the global config_mutex
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27 // input side
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28 int fd; // input fn syslog file
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29 struct stat openfdstat;
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30 int len; // bytes in the buffer
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31 char buf[buflen];
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32 // output side
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33 int fdo; // output tempin wflogs file
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34 time_t open_time; // time when fdo opened
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35 // all the rest is constant after loading from the config file
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36 int generation;
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37 time_t load_time;
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38 string_set config_files;
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39 TOKEN *tokp;
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40 // our data
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41 int period; // in seconds
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42 int versions; // number to keep
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43 // all strings owned by the string table
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44 const char * output; // output file name pattern
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45 const char * tempin; // temp wflogs input file name
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46 const char * wflogs; // wflogs command line
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47 const char * fn; // name of the syslog file
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48 const char * pattern; // regex to filter lines
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49 regex_t re; // internal regex to filter lines
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50
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51 CONFIG();
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52 ~CONFIG();
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53 void set_token(TOKEN &tok) { tokp = &tok; };
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54 void set_period(int p) { period = p; };
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55 void set_versions(int v) { versions = v; };
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56 void set_output(const char * o) { output = o; };
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57 void set_tempin(const char * t) { tempin = t; openo(true); };
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58 void set_wflogs(const char * w) { wflogs = w; };
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59 void set_file(const char * f) { fn = f; open(true); };
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60 void set_pattern(const char * p) { pattern = p; };
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61 bool failedo() { return (fdo == -1); };
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62 bool failed() { return (fd == -1); };
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63 void dump();
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64 void open(bool msg);
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65 void openo(bool msg);
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66 bool read();
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67 bool write(char *p);
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68 void process(char *p);
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69 void close();
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70 void closeo();
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71 void sleep(int duration, time_t &previous);
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72 void check_wflog(); // time to call it?
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73 void free_all();
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74 };
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75
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76 void discard(string_set &s);
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77 const char* register_string(string_set &s, const char *name);
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78 const char* register_string(const char *name);
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79 void clear_strings();
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80 int ip_address(const char *have);
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81 bool load_conf(CONFIG &dc, const char *fn);
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82 void token_init();
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83
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84
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85 extern const char *token_file;
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86 extern const char *token_include;
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87 extern const char *token_lbrace;
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88 extern const char *token_output;
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89 extern const char *token_pattern;
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90 extern const char *token_period;
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91 extern const char *token_rbrace;
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92 extern const char *token_semi;
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93 extern const char *token_tempin;
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94 extern const char *token_versions;
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95 extern const char *token_wflogs;
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