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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 ROUTECONFIG;
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11 class CONFIG;
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12
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13 enum pattern_style {style_reset, style_path, style_announce, style_withdraw, style_ip};
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14 enum suspicion {suspicious_none, suspicious_origin, suspicious_adjacency};
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15
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16 class PATTERN {
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17 pattern_style style;
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18 char * pattern; // owned by the string table
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19 regex_t re;
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20 int index1; // zero based substring of the regex match that contains the as list or prefix value
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21 int index2; // zero based substring of the regex match that contains the prefix length
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22 public:
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23 ~PATTERN();
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24 PATTERN(TOKEN &tok, pattern_style style_, char *pattern_, int index1_, int index2_);
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25 bool process(char *buf, CONFIG &con, char *file_name, int pattern_index);
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26 void dump(int level, int index, char *token);
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27 void dump(int level);
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28 };
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29
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30 typedef ROUTECONFIG * ROUTECONFIGP;
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31 typedef PATTERN * PATTERNP;
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32 typedef list<ROUTECONFIGP> routeconfig_list;
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33 typedef list<PATTERNP> pattern_list;
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34 const int buflen = 1024;
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35
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36 class ROUTECONFIG {
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37 TOKEN * tokp;
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38 char * file_name; // name of the syslog file
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39 pattern_list patterns; // owns the patterns
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40 int fd;
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41 struct stat openfdstat;
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42 int len; // bytes in the buffer
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43 char buf[buflen];
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44 public:
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45 ROUTECONFIG(TOKEN &tok, char *file_name_);
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46 ~ROUTECONFIG();
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47 bool failed() { return (fd == -1); };
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48 void open(bool msg);
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49 bool read(CONFIG &con);
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50 void close();
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51 void add_pattern(PATTERNP pat);
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52 void process(CONFIG &con);
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53 void dump(int level);
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54 };
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55
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56 class CONFIG {
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57 public:
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58 // the only mutable stuff once it has been loaded from the config file
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59 int reference_count; // protected by the global config_mutex
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60 // all the rest is constant after loading from the config file
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61 int generation;
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62 time_t load_time;
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63 string_set config_files;
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64 routeconfig_list routeconfigs; // owns all the route configs
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65
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66 CONFIG();
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67 ~CONFIG();
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68 void add_routeconfig(ROUTECONFIGP con) {routeconfigs.push_back(con);};
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69 void dump();
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70 void read();
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71 };
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72
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73 void discard(string_set &s);
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74 char* register_string(string_set &s, char *name);
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75 char* register_string(char *name);
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76 void clear_strings();
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77 void clear_rib();
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78 int ip_address(char *have);
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79 bool load_conf(CONFIG &dc, char *fn);
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80 void routing_hourly_update();
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81 void token_init();
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82
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83 extern char *token_announce_aslist_index;
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84 extern char *token_announce_pattern;
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85 extern char *token_announce_prelen_index;
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86 extern char *token_announce_preval_index;
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87 extern char *token_file;
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88 extern char *token_include;
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89 extern char *token_lbrace;
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90 extern char *token_rbrace;
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91 extern char *token_semi;
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92 extern char *token_slash;
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93 extern char *token_withdraw_aslist_index;
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94 extern char *token_withdraw_pattern;
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95 extern char *token_withdraw_prelen_index;
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96 extern char *token_withdraw_preval_index;
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97
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