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1 /*
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2 config.c
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3
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4 The following macros must be set, when compiling this file:
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5 CONFIGFILE
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6 SPOOLDIR
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7 VERSION
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8
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2
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9 $Id: config.c 7 2000-01-06 09:30:49Z enz $
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0
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10 */
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11
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12 #include "config.h"
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13
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14 #include <limits.h>
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15 #include "log.h"
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16 #include "util.h"
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17
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18 typedef struct
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19 {
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20 Str name;
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21 Str user;
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22 Str pass;
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23 }
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24 ServEntry;
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25
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26 struct
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27 {
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28 /* Compile time options */
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29 const char *spoolDir;
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30 const char *version;
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31 /* Options from the config file */
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32 int maxFetch;
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33 int autoUnsubscribeDays;
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34 int threadFollowTime;
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35 int connectTimeout;
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36 Bool autoSubscribe;
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37 Bool autoUnsubscribe;
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38 Bool removeMsgId;
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39 Bool replaceMsgId;
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40 Str autoSubscribeMode;
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41 Str mailTo;
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42 int numServ;
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43 int maxServ;
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44 ServEntry *serv;
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45 int servIdx; /* for server enumeration */
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46 } config =
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47 {
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2
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48 SPOOLDIR, /* spoolDir */
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49 VERSION, /* version */
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50 300, /* maxFetch */
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51 30, /* autoUnsubscribeDays */
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52 7, /* threadFollowTime */
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53 30, /* connectTimeout */
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54 FALSE, /* autoSubscribe */
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55 FALSE, /* autoUnsubscribe */
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56 FALSE, /* removeMsgId */
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57 TRUE, /* replaceMsgId */
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58 "over", /* autoSubscribeMode */
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59 "", /* mailTo */
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60 0, /* numServ */
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61 0, /* maxServ */
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62 NULL, /* serv */
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63 0 /* servIdx */
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0
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64 };
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65
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66 const char * Cfg_spoolDir( void ) { return config.spoolDir; }
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67 const char * Cfg_version( void ) { return config.version; }
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68
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69 int Cfg_maxFetch( void ) { return config.maxFetch; }
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70 int Cfg_autoUnsubscribeDays( void ) { return config.autoUnsubscribeDays; }
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71 int Cfg_threadFollowTime( void ) { return config.threadFollowTime; }
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72 int Cfg_connectTimeout( void ) { return config.connectTimeout; }
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73 Bool Cfg_autoUnsubscribe( void ) { return config.autoUnsubscribe; }
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74 Bool Cfg_autoSubscribe( void ) { return config.autoSubscribe; }
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75 Bool Cfg_removeMsgId( void ) { return config.removeMsgId; }
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76 Bool Cfg_replaceMsgId( void ) { return config.replaceMsgId; }
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77 const char * Cfg_autoSubscribeMode( void ) {
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78 return config.autoSubscribeMode; }
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79 const char * Cfg_mailTo( void ) { return config.mailTo; }
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80
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81 void
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82 Cfg_beginServEnum( void )
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83 {
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84 config.servIdx = 0;
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85 }
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86
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87 Bool
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88 Cfg_nextServ( Str name )
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89 {
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90 if ( config.servIdx >= config.numServ )
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91 return FALSE;
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92 strcpy( name, config.serv[ config.servIdx ].name );
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93 ++config.servIdx;
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94 return TRUE;
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95 }
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96
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97 static Bool
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98 searchServ( const char *name, int *idx )
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99 {
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100 int i;
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101
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102 for ( i = 0; i < config.numServ; ++i )
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103 if ( strcmp( name, config.serv[ i ].name ) == 0 )
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104 {
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105 *idx = i;
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106 return TRUE;
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107 }
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108 return FALSE;
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109 }
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110
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111 Bool
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112 Cfg_servListContains( const char *name )
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113 {
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114 int idx;
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115
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116 return searchServ( name, &idx );
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117 }
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118
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119 Bool
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120 Cfg_servIsPreferential( const char *name1, const char *name2 )
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121 {
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122 Bool exists1, exists2;
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123 int idx1, idx2;
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124
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125 exists1 = searchServ( name1, &idx1 );
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126 exists2 = searchServ( name2, &idx2 );
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127 if ( exists1 && exists2 )
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128 return ( idx1 < idx2 );
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129 if ( exists1 && ! exists2 )
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130 return TRUE;
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131 /* ( ! exists1 && exists2 ) || ( ! exists1 && ! exists2 ) */
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132 return FALSE;
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133 }
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134
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135 void
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136 Cfg_authInfo( const char *name, Str user, Str pass )
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137 {
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138 int idx;
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139
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140 if ( searchServ( name, &idx ) )
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141 {
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142 strcpy( user, config.serv[ idx ].user );
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143 strcpy( pass, config.serv[ idx ].pass );
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144 }
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145 else
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146 {
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147 user[ 0 ] = '\0';
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148 pass[ 0 ] = '\0';
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149 }
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150 }
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151
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152 static void
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153 logSyntaxErr( const char *line )
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154 {
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155 Log_err( "Syntax error in config file: %s", line );
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156 }
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157
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158 static void
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159 getBool( Bool *variable, const char *line )
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160 {
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161 Str value, name, lowerLn;
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162
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163 strcpy( lowerLn, line );
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164 Utl_toLower( lowerLn );
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165 if ( sscanf( lowerLn, "%s %s", name, value ) != 2 )
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166 {
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167 logSyntaxErr( line );
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168 return;
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169 }
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170
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171 if ( strcmp( value, "yes" ) == 0 )
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172 *variable = TRUE;
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173 else if ( strcmp( value, "no" ) == 0 )
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174 *variable = FALSE;
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175 else
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176 Log_err( "Error in config file %s must be yes or no", name );
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177 }
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178
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179 static void
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180 getInt( int *variable, int min, int max, const char *line )
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181 {
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182 int value;
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183 Str name;
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184
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185 if ( sscanf( line, "%s %d", name, &value ) != 2 )
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186 {
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187 logSyntaxErr( line );
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188 return;
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189 }
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190 if ( value < min || value > max )
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191 {
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192 Log_err( "Range error in config file %s [%d,%d]", name, min, max );
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193 return;
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194 }
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195 *variable = value;
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196 }
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197
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198 static void
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199 getStr( char *variable, const char *line )
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200 {
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201 Str dummy;
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202
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203 if ( sscanf( line, "%s %s", dummy, variable ) != 2 )
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204 {
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205 logSyntaxErr( line );
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206 return;
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207 }
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208 }
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209
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210 static void
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211 getServ( const char *line )
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212 {
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213 Str dummy;
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214 int r, len;
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215 ServEntry entry;
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216
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217 entry.user[ 0 ] = '\0';
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218 entry.pass[ 0 ] = '\0';
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219 r = sscanf( line, "%s %s %s %s",
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220 dummy, entry.name, entry.user, entry.pass );
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221 if ( r < 2 )
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222 {
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223 logSyntaxErr( line );
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224 return;
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225 }
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226 len = strlen( entry.name );
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227 /* To make server name more definit, it is made lowercase and
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228 port is removed, if it is the default port */
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229 if ( len > 4 && strcmp( entry.name + len - 4, ":119" ) == 0 )
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230 entry.name[ len - 4 ] = '\0';
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231 Utl_toLower( entry.name );
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232
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233 if ( config.maxServ < config.numServ + 1 )
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234 {
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235 if ( ! ( config.serv = realloc( config.serv,
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236 ( config.maxServ + 5 )
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237 * sizeof( ServEntry ) ) ) )
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238 {
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239 Log_err( "Could not realloc server list" );
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240 exit( EXIT_FAILURE );
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241 }
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242 config.maxServ += 5;
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243 }
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244 config.serv[ config.numServ++ ] = entry;
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245 }
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246
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247 void
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248 Cfg_read( void )
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249 {
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250 char *p;
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251 FILE *f;
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252 Str file, line, lowerLine, name, s;
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253
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254 snprintf( file, MAXCHAR, CONFIGFILE );
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255 if ( ! ( f = fopen( file, "r" ) ) )
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256 {
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257 Log_err( "Cannot read %s", file );
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258 return;
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259 }
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260 while ( fgets( line, MAXCHAR, f ) )
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261 {
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262 Utl_cpyStr( lowerLine, line );
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263 Utl_toLower( lowerLine );
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264 p = Utl_stripWhiteSpace( lowerLine );
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265 if ( *p == '#' || *p == '\0' )
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266 continue;
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267 if ( sscanf( p, "%s", name ) != 1 )
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268 Log_err( "Syntax error in %s: %s", file, line );
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269 else if ( strcmp( "max-fetch", name ) == 0 )
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270 getInt( &config.maxFetch, 0, INT_MAX, p );
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271 else if ( strcmp( "auto-unsubscribe-days", name ) == 0 )
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272 getInt( &config.autoUnsubscribe, -1, INT_MAX, p );
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273 else if ( strcmp( "thread-follow-time", name ) == 0 )
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274 getInt( &config.threadFollowTime, 0, INT_MAX, p );
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275 else if ( strcmp( "connect-timeout", name ) == 0 )
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276 getInt( &config.connectTimeout, 0, INT_MAX, p );
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277 else if ( strcmp( "auto-subscribe", name ) == 0 )
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278 getBool( &config.autoSubscribe, p );
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279 else if ( strcmp( "auto-unsubscribe", name ) == 0 )
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280 getBool( &config.autoUnsubscribe, p );
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281 else if ( strcmp( "remove-messageid", name ) == 0 )
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282 getBool( &config.removeMsgId, p );
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283 else if ( strcmp( "replace-messageid", name ) == 0 )
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284 getBool( &config.replaceMsgId, p );
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285 else if ( strcmp( "auto-subscribe-mode", name ) == 0 )
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286 {
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287 getStr( s, p );
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288 Utl_toLower( s );
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289 if ( strcmp( s, "full" ) != 0
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290 && strcmp( s, "thread" ) != 0
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291 && strcmp( s, "over" ) != 0
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292 && strcmp( s, "off" ) != 0 )
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293 {
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294 Log_err( "Syntax error in config file: %s", line );
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295 return;
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296 }
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297 else
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298 strcpy( config.autoSubscribeMode, s );
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299 }
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300 else if ( strcmp( "server", name ) == 0 )
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301 /* Server needs line not p,
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302 because password may contain uppercase */
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303 getServ( line );
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304 else if ( strcmp( "mail-to", name ) == 0 )
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305 getStr( config.mailTo, p );
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306 else
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307 Log_err( "Unknown config option: %s", name );
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308 }
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309 fclose( f );
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310 if ( ! config.numServ )
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311 {
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312 Log_err( "Config file contains no server" );
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313 exit( EXIT_FAILURE );
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314 }
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315 }
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