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1 #!/usr/local/bin/perl
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2 # Customize these variables.
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3 # If you change APOPFILEBASE, change the same variable in apopcall.c too.
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4 # See http://www.gentei.org/~yuuji/software/imapext/
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5
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6 $HOME=$ENV{"HOME"};
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7
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8 $DEFAULTMAILDIR = "Maildir"; # Must be same as ../src/osdep/unix/Makefile
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9
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10 $APOPFILEBASE = ".apop"; # "$HOME/$APOPFILEBASE" is the password file
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11 # $APOPFILEBASE = "$DEFAULTMAILDIR/apop";
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12 # $APOPFILEBASE = "Mail/apop";
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13
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14 $ENCODER = "cat";
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15 # $ENCODER = "gzip";
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16 # $ENCODER = "uuencode $$|gzip";
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17
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18 $DECODER = "cat";
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19 # $DECODER = "gzip -dc";
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20 # $DECODER = "gzip -dc | uudecode";
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21
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22 $DOTQMAIL = ".qmail"; # qmail
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23 # $DOTQMAIL = ".forward"; # Postfix
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24
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25 $XADDR_DELIM = "-"; # qmail
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26 # $XADDR_DELIM = "+"; # Postfix
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27
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28 $HERE = "."; # qmail
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29 # $HERE = "~"; # Postfix
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30
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31 $EXT = "";
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32 $force = 0;
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33 $base = 0;
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34
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35 $APOPFILE = "$HOME/$APOPFILEBASE";
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36
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37 sub handler {
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38 system "stty echo";
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39 print STDERR "Abort:\n";
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40 exit 1;
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41 }
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42
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43 $SIG{'INT'} = $SIG{'KILL'} = $SIG{'QUIT'} = $SIG{'HUP'} = 'handler';
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44
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45 while ($_=$ARGV[0], /^-.+/ && shift) {
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46 if (/^-e/) {
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47 $APOPFILE .= $XADDR_DELIM . ($EXT=shift);
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48 } elsif (/^-b/) {
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49 $base++;
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50 } elsif (/^-c/) {
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51 $create++;
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52 } elsif (/^-s/) {
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53 $stream++;
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54 # and exit;
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55 } elsif (/^-h/) {
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56 &usage; # and exit
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57 }
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58 }
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59
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60 sub checkmaildir {
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61 local($dotqmail) = ("$HOME/$DOTQMAIL");
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62 local($maildir) = ($DEFAULTMAILDIR); # default
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63 $dotqmail .= "$XADDR_DELIM$EXT" if $EXT;
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64 $maildir .= "-$EXT" if $EXT;
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65 unless (-f "$dotqmail") {
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66 if ($create) {
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67 if (open(DQMAIL, "> $dotqmail")) {
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68 print DQMAIL "$HERE/$maildir/\n";
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69 print "File [$dotqmail] created\n";
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70 close(DQMAIL);
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71 }
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72 } else {
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73 print "$dotqmail file does not exist.\n"; # should go to stdout
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74 print "Your should create $maildir first!\n";
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75 print "(-c option automatically makes it)\n";
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76 exit 1;
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77 }
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78 }
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79 if (-s $dotqmail) {
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80 $maildir='';
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81 if (open(DQMAIL, "< $dotqmail")) {
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82 while (<DQMAIL>) {
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83 s/[\r\n \t]*$//g;
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84 next if /#/;
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85 next unless m,\./.*/,;
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86 chop; # strip trailing "/"
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87 $maildir = $_;
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88 last;
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89 }
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90 close(DQMAIL);
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91 $maildir = $DEFAULTMAILDIR if $maildir eq '';
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92 unless (-d "$HOME/$maildir"
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93 && -d "$HOME/$maildir/new"
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94 && -d "$HOME/$maildir/cur"
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95 && -d "$HOME/$maildir/tmp") {
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96 if ($create) {
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97 mkdir "$HOME/$maildir", 0700;
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98 mkdir "$HOME/$maildir/new", 0700;
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99 mkdir "$HOME/$maildir/cur", 0700;
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100 mkdir "$HOME/$maildir/tmp", 0700;
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101 print "Maildir [$maildir/] created\n";
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102 } else {
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103 print "Maildir($maildir) does not exist\n";
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104 print "Your should do maildirmake $maildir first!\n";
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105 print "(-c option automatically makes it)\n";
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106 exit 1;
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107 }
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108 }
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109 }
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110 }
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111 }
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112
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113 sub usage {
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114 local($mydir, $myname) = ($0 =~ m,(.*)/(.*),);
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115 print<<_EOU_;
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116 $myname Change Mail password for imap-4.7+qmailapop
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117 Usage: $myname [options]
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118 Options are...
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119 -e EXT Set target email address to "user-EXT"
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120 -c If no .qmail file and Maildir, create them
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121
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122 _EOU_
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123 exit 0;
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124 }
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125
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126 if ($stream) {
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127 &stream;
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128 exit; # not reached
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129 }
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130 $OK=0;
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131 until ($OK) {
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132 system "stty -echo";
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133 print STDERR "Enter APOP Password: ";
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134 $new1 = <>;
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135 print STDERR "\n";
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136 if (length($new1) == 1) {
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137 print STDERR "Canceled\n";
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138 exit 1;
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139 } elsif (length($new1) < 9) {
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140 print STDERR "Password is too short! Please use more than 8 chars.\n";
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141 next;
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142 }
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143 print STDERR "Again APOP Password: ";
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144 $new2 = <>;
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145 if ($new1 eq $new2) {
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146 $OK=1;
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147 } else {
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148 print STDERR "\nPassword mismatch! Try again.\n";
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149 }
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150 }
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151 #OK
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152 &checkmaildir;
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153 system "stty echo";
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154 open(NP, "| $ENCODER > $APOPFILE") || die "Cannot write on $APOPFILE\n";
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155 print NP "$new1";
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156 close(NP);
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157 chmod 0600, $APOPFILE;
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158 print STDERR "\nUpdated APOP password successfully.\n";
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159
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160 sub stream { # Must match with old password
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161 local($PASS, $old, $new1, $new2, $master) = (0);
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162 local($masterfile) = ($APOPFILE);
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163 $masterfile = "$HOME/$APOPFILEBASE" if $base;
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164 exit 1 if ($> == 0);
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165 while (<>) {
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166 chop;
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167 if (/^PASS (.*)$/i) {
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168 $old = $1;
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169 } elsif (/^NEW (.*)/i) {
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170 $new1 = $1;
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171 } elsif (/^NEW2 (.*)/i) {
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172 $new2 = $1;
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173 }
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174 last if ("$new1" ne "" && "$new2" ne "");
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175 }
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176 if (-s $APOPFILE || ($base && -f $masterfile)) { # Already exist
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177 if (open(OLD, "$DECODER $masterfile |")) {
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178 ($master = <OLD>) =~ s/[\n\r]$//g;
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179 close(OLD);
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180 } else {
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181 print "Old password file corrupted.\n";
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182 print "Please ask to administrator.\n";
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183 exit 1;
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184 }
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185 if ($master ne $old) {
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186 print "Illegal password\nBye\n";
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187 exit 1;
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188 }
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189 }
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190 if ($new1 ne $new2) {
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191 print "Password(new) mismatch\nBye\n";
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192 exit 1;
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193 }
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194 # OK, now begin to create!
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195 &checkmaildir;
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196 if (open(P, "| $ENCODER > $APOPFILE")) {
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197 # open success
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198 print P "$new1\n";
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199 close(P);
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200 chmod 0600, $APOPFILE;
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201 if (-s $APOPFILE) {
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202 print "Success!\n";
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203 exit 0;
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204 }
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205 } else {
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206 print "Cannot output to $APOPFILE\nBye\n";
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207 exit 1;
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208 }
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209 exit 0;
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210 }
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