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110
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1 /*
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2 * histolog.c -- File history handling
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3 *
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4 * Copyright (C) 2005 Mikael Berthe <bmikael@lists.lilotux.net>
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5 *
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6 * This program is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 2 of the License, or (at
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9 * your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program; if not, write to the Free Software
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18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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19 * USA
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20 */
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21
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22 #include <string.h>
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23 #include <stdlib.h>
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24 #include <time.h>
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113
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25 #include <ctype.h>
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26 #include <sys/types.h>
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27 #include <sys/stat.h>
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28 #include <fcntl.h>
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110
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29
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30 #include "histolog.h"
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113
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31 #include "jabglue.h"
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110
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32 #include "screen.h"
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33
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34 static guint UseFileLogging;
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35 static char *RootDir;
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36
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37
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38 // user_histo_file()
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39 // Returns history filename for the given jid
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40 // Note: the caller *must* free the filename after use (if not null).
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111
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41 static char *user_histo_file(const char *jid)
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110
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42 {
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43 char *filename;
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44 if (!UseFileLogging)
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45 return NULL;
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46
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47 filename = g_new(char, strlen(RootDir) + strlen(jid) + 1);
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48 strcpy(filename, RootDir);
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49 strcat(filename, jid);
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50 return filename;
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51 }
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52
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53 // write()
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54 // Adds a history (multi-)line to the jid's history logfile
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113
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55 static void write_histo_line(const char *jid,
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56 time_t timestamp, guchar type, guchar info, const char *data)
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110
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57 {
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58 guint len = 0;
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113
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59 FILE *fp;
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110
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60 time_t ts;
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113
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61 const char *p;
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62 char *filename = user_histo_file(jid);
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63
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64 if (!filename)
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65 return;
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66
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67 // If timestamp is null, get current date
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68 if (timestamp)
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69 ts = timestamp;
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70 else
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71 time(&ts);
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72
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73 if (!data)
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74 data = "";
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75
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76 // Count number of extra lines
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77 for (p=data ; *p ; p++)
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78 if (*p == '\n') len++;
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79
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118
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80 /* Line format: "TI DDDDDDDDDD LLL [data]"
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81 * T=Type, I=Info, DDDDDDDDDD=date, LLL=0-padded-len
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110
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82 *
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83 * Types:
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84 * - M message Info: S (send) R (receive)
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85 * - S status Info: [oaifdcn]
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86 * We don't check them, we'll trust the caller.
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87 */
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88
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113
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89 fp = fopen(filename, "a");
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90 if (!fp)
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91 return;
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118
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92 fprintf(fp, "%c%c %10u %03d %s\n", type, info, (unsigned int)ts, len, data);
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113
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93 fclose(fp);
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110
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94 }
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95
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96 // hlog_enable()
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97 // Enable logging to files. If root_dir is NULL, then $HOME/.mcabber is used.
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98 void hlog_enable(guint enable, char *root_dir)
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99 {
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100 UseFileLogging = enable;
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101
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102 if (enable) {
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103 if (root_dir) {
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104 int l = strlen(root_dir);
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105 if (l < 1) {
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106 scr_LogPrint("root_dir too short");
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107 UseFileLogging = FALSE;
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108 return;
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109 }
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110 // RootDir must be slash-terminated
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111 if (root_dir[l-1] == '/')
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112 RootDir = g_strdup(root_dir);
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113 else {
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114 RootDir = g_new(char, l+2);
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115 strcpy(RootDir, root_dir);
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116 strcat(RootDir, "/");
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117 }
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118 } else {
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119 char *home = getenv("HOME");
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120 char *dir = "/.mcabber/";
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121 RootDir = g_new(char, strlen(home) + strlen(dir) + 1);
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122 strcpy(RootDir, home);
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123 strcat(RootDir, dir);
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124 }
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125 // FIXME
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126 // We should check the directory actually exists
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127 } else // Disable history logging
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128 if (RootDir) {
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129 g_free(RootDir);
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130 }
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131 }
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132
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113
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133 inline void hlog_write_message(const char *jid, time_t timestamp, int sent,
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134 const char *msg)
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135 {
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136 write_histo_line(jid, timestamp, 'M', ((sent) ? 'S' : 'R'), msg);
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137 }
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138
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139 inline void hlog_write_status(const char *jid, time_t timestamp,
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140 enum imstatus status)
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141 {
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142 // #1 XXX Check status value?
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143 // #2 We could add a user-readable comment
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144 write_histo_line(jid, timestamp, 'S', toupper(imstatus2char[status]),
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145 NULL);
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146 }
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147
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