1 | /********************************************************************\ |
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2 | * BitlBee -- An IRC to other IM-networks gateway * |
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3 | * * |
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4 | * Copyright 2002-2010 Wilmer van der Gaast and others * |
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5 | \********************************************************************/ |
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6 | |
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7 | /* Some stuff that doesn't belong anywhere else. */ |
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8 | |
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9 | /* |
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10 | This program is free software; you can redistribute it and/or modify |
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11 | it under the terms of the GNU General Public License as published by |
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12 | the Free Software Foundation; either version 2 of the License, or |
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13 | (at your option) any later version. |
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14 | |
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15 | This program is distributed in the hope that it will be useful, |
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16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 | GNU General Public License for more details. |
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19 | |
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20 | You should have received a copy of the GNU General Public License with |
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21 | the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; |
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22 | if not, write to the Free Software Foundation, Inc., 51 Franklin St., |
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23 | Fifth Floor, Boston, MA 02110-1301 USA |
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24 | */ |
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25 | |
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26 | #include "bitlbee.h" |
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27 | |
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28 | char *set_eval_timezone(set_t *set, char *value) |
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29 | { |
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30 | char *s; |
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31 | |
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32 | if (strcmp(value, "local") == 0 || |
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33 | strcmp(value, "gmt") == 0 || strcmp(value, "utc") == 0) { |
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34 | return value; |
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35 | } |
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36 | |
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37 | /* Otherwise: +/- at the beginning optional, then one or more numbers, |
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38 | possibly followed by a colon and more numbers. Don't bother bound- |
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39 | checking them since users are free to shoot themselves in the foot. */ |
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40 | s = value; |
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41 | if (*s == '+' || *s == '-') { |
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42 | s++; |
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43 | } |
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44 | |
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45 | /* \d+ */ |
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46 | if (!g_ascii_isdigit(*s)) { |
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47 | return SET_INVALID; |
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48 | } |
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49 | while (*s && g_ascii_isdigit(*s)) { |
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50 | s++; |
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51 | } |
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52 | |
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53 | /* EOS? */ |
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54 | if (*s == '\0') { |
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55 | return value; |
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56 | } |
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57 | |
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58 | /* Otherwise, colon */ |
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59 | if (*s != ':') { |
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60 | return SET_INVALID; |
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61 | } |
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62 | s++; |
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63 | |
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64 | /* \d+ */ |
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65 | if (!g_ascii_isdigit(*s)) { |
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66 | return SET_INVALID; |
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67 | } |
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68 | while (*s && g_ascii_isdigit(*s)) { |
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69 | s++; |
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70 | } |
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71 | |
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72 | /* EOS */ |
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73 | return *s == '\0' ? value : SET_INVALID; |
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74 | } |
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75 | |
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76 | char *irc_format_timestamp(irc_t *irc, time_t msg_ts) |
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77 | { |
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78 | time_t now_ts = time(NULL); |
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79 | struct tm now, msg; |
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80 | char *set; |
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81 | |
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82 | /* If the timestamp is <= 0 or less than a minute ago, discard it as |
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83 | it doesn't seem to add to much useful info and/or might be noise. */ |
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84 | if (msg_ts <= 0 || msg_ts > now_ts - 60) { |
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85 | return NULL; |
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86 | } |
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87 | |
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88 | set = set_getstr(&irc->b->set, "timezone"); |
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89 | if (strcmp(set, "local") == 0) { |
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90 | localtime_r(&now_ts, &now); |
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91 | localtime_r(&msg_ts, &msg); |
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92 | } else { |
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93 | int hr, min = 0, sign = 60; |
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94 | |
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95 | if (set[0] == '-') { |
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96 | sign *= -1; |
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97 | set++; |
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98 | } else if (set[0] == '+') { |
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99 | set++; |
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100 | } |
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101 | |
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102 | if (sscanf(set, "%d:%d", &hr, &min) >= 1) { |
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103 | msg_ts += sign * (hr * 60 + min); |
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104 | now_ts += sign * (hr * 60 + min); |
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105 | } |
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106 | |
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107 | gmtime_r(&now_ts, &now); |
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108 | gmtime_r(&msg_ts, &msg); |
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109 | } |
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110 | |
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111 | if (msg.tm_year == now.tm_year && msg.tm_yday == now.tm_yday) { |
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112 | return g_strdup_printf("\x02[\x02\x02\x02%02d:%02d:%02d\x02]\x02 ", |
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113 | msg.tm_hour, msg.tm_min, msg.tm_sec); |
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114 | } else { |
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115 | return g_strdup_printf("\x02[\x02\x02\x02%04d-%02d-%02d " |
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116 | "%02d:%02d:%02d\x02]\x02 ", |
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117 | msg.tm_year + 1900, msg.tm_mon + 1, msg.tm_mday, |
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118 | msg.tm_hour, msg.tm_min, msg.tm_sec); |
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119 | } |
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120 | } |
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