- updated version to BackupPC-2.1.0beta0

[BackupPC.git] / lib / BackupPC / Lib.pm

diff --git a/lib/BackupPC/Lib.pm b/lib/BackupPC/Lib.pm
index cf99f4b..49354b6 100644 (file)
--- a/lib/BackupPC/Lib.pm
+++ b/lib/BackupPC/Lib.pm
@@ -29,7 +29,7 @@
 #
 #========================================================================
 #
-# Version 2.1.0_CVS, released 3 Jul 2003.
+# Version 2.1.0beta0, released 20 Mar 2004.
 #
 # See http://backuppc.sourceforge.net.
 #
@@ -48,6 +48,7 @@ use File::Compare;
 use Socket;
 use Cwd;
 use Digest::MD5;
+use Config;
 
 sub new
 {
@@ -58,7 +59,7 @@ sub new
         TopDir  => $topDir || '/data/BackupPC',
         BinDir  => $installDir || '/usr/local/BackupPC',
         LibDir  => $installDir || '/usr/local/BackupPC',
-        Version => '2.1.0_CVS',
+        Version => '2.1.0beta0',
         BackupFields => [qw(
                     num type startTime endTime
                     nFiles size nFilesExist sizeExist nFilesNew sizeNew
@@ -70,6 +71,9 @@ sub new
                     num startTime endTime result errorMsg nFiles size
                     tarCreateErrs xferErrs
                 )],
+        ArchiveFields => [qw(
+                    num startTime endTime result errorMsg
+                )],
     }, $class;
     $bpc->{BinDir} .= "/bin";
     $bpc->{LibDir} .= "/lib";
@@ -89,7 +93,7 @@ sub new
     if ( !$noUserCheck
            && $bpc->{Conf}{BackupPCUserVerify}
            && $> != (my $uid = (getpwnam($bpc->{Conf}{BackupPCUser}))[2]) ) {
-       print("Wrong user: my userid is $>, instead of $uid"
+       print(STDERR "Wrong user: my userid is $>, instead of $uid"
            . " ($bpc->{Conf}{BackupPCUser})\n");
        return;
     }
@@ -151,6 +155,20 @@ sub verbose
     return $bpc->{verbose};
 }
 
+sub sigName2num
+{
+    my($bpc, $sig) = @_;
+
+    if ( !defined($bpc->{SigName2Num}) ) {
+       my $i = 0;
+       foreach my $name ( split(' ', $Config{sig_name}) ) {
+           $bpc->{SigName2Num}{$name} = $i;
+           $i++;
+       }
+    }
+    return $bpc->{SigName2Num}{$sig};
+}
+
 #
 # Generate an ISO 8601 format timeStamp (but without the "T").
 # See http://www.w3.org/TR/NOTE-datetime and
@@ -255,6 +273,51 @@ sub RestoreInfoWrite
     close(LOCK);
 }
 
+sub ArchiveInfoRead
+{
+    my($bpc, $host) = @_;
+    local(*ARCHIVE_INFO, *LOCK);
+    my(@Archives);
+
+    flock(LOCK, LOCK_EX) if open(LOCK, "$bpc->{TopDir}/pc/$host/LOCK");
+    if ( open(ARCHIVE_INFO, "$bpc->{TopDir}/pc/$host/archives") ) {
+        binmode(ARCHIVE_INFO);
+        while ( <ARCHIVE_INFO> ) {
+            s/[\n\r]+//;
+            next if ( !/^(\d+.*)/ );
+            $_ = $1;
+            @{$Archives[@Archives]}{@{$bpc->{ArchiveFields}}} = split(/\t/);
+        }
+        close(ARCHIVE_INFO);
+    }
+    close(LOCK);
+    return @Archives;
+}
+
+sub ArchiveInfoWrite
+{
+    my($bpc, $host, @Archives) = @_;
+    local(*ARCHIVE_INFO, *LOCK);
+    my($i);
+
+    flock(LOCK, LOCK_EX) if open(LOCK, "$bpc->{TopDir}/pc/$host/LOCK");
+    unlink("$bpc->{TopDir}/pc/$host/archives.old")
+                if ( -f "$bpc->{TopDir}/pc/$host/archives.old" );
+    rename("$bpc->{TopDir}/pc/$host/archives",
+           "$bpc->{TopDir}/pc/$host/archives.old")
+                if ( -f "$bpc->{TopDir}/pc/$host/archives" );
+    if ( open(ARCHIVE_INFO, ">$bpc->{TopDir}/pc/$host/archives") ) {
+        binmode(ARCHIVE_INFO);
+        for ( $i = 0 ; $i < @Archives ; $i++ ) {
+            my %b = %{$Archives[$i]};
+            printf(ARCHIVE_INFO "%s\n",
+                        join("\t", @b{@{$bpc->{ArchiveFields}}}));
+        }
+        close(ARCHIVE_INFO);
+    }
+    close(LOCK);
+}
+
 sub ConfigRead
 {
     my($bpc, $host) = @_;
@@ -386,7 +449,7 @@ sub RmTreeQuiet
     if ( defined($roots) && length($roots) ) {
       $roots = [$roots] unless ref $roots;
     } else {
-      print "RmTreeQuiet: No root path(s) specified\n";
+      print(STDERR "RmTreeQuiet: No root path(s) specified\n");
     }
     chdir($pwd);
     foreach $root (@{$roots}) {
@@ -399,14 +462,17 @@ sub RmTreeQuiet
        #
        if ( !unlink($root) ) {
             if ( -d $root ) {
-                my $d = DirHandle->new($root)
-                  or print "Can't read $pwd/$root: $!";
-                @files = $d->read;
-                $d->close;
-                @files = grep $_!~/^\.{1,2}$/, @files;
-                $bpc->RmTreeQuiet("$pwd/$root", \@files);
-                chdir($pwd);
-                rmdir($root) || rmdir($root);
+                my $d = DirHandle->new($root);
+               if ( !defined($d) ) {
+                   print(STDERR "Can't read $pwd/$root: $!\n");
+               } else {
+                   @files = $d->read;
+                   $d->close;
+                   @files = grep $_!~/^\.{1,2}$/, @files;
+                   $bpc->RmTreeQuiet("$pwd/$root", \@files);
+                   chdir($pwd);
+                   rmdir($root) || rmdir($root);
+               }
             } else {
                 unlink($root) || unlink($root);
             }
@@ -692,7 +758,8 @@ sub MakeFileLink
         return -2 if ( !defined($rawFile = $bpc->MD52Path($d, $compress)) );
         $rawFile .= "_$i" if ( $i >= 0 );
         if ( -f $rawFile ) {
-            if ( !compare($name, $rawFile) ) {
+            if ( (stat(_))[3] < $bpc->{Conf}{HardLinkMax}
+                    && !compare($name, $rawFile) ) {
                 unlink($name);
                 return -3 if ( !link($rawFile, $name) );
                 return 1;
@@ -1039,7 +1106,12 @@ sub cmdExecOrEval
        print(STDERR "cmdExecOrEval: about to exec ",
              $bpc->execCmd2ShellCmd(@$cmd), "\n")
                        if ( $bpc->{verbose} );
-        exec(map { m/(.*)/ } @$cmd);           # untaint
+       alarm(0);
+       $cmd = [map { m/(.*)/ } @$cmd];         # untaint
+       #
+       # force list-form of exec(), ie: no shell even for 1 arg
+       #
+        exec { $cmd->[0] } @$cmd;
         print(STDERR "Exec failed for @$cmd\n");
         exit(1);
     }
@@ -1094,8 +1166,13 @@ sub cmdSystemOrEval
            #
             close(STDERR);
            open(STDERR, ">&STDOUT");
-           exec(map { m/(.*)/ } @$cmd);                # untaint
-            print("Exec of @$cmd failed\n");
+           alarm(0);
+           $cmd = [map { m/(.*)/ } @$cmd];             # untaint
+           #
+           # force list-form of exec(), ie: no shell even for 1 arg
+           #
+           exec { $cmd->[0] } @$cmd;
+            print(STDERR "Exec of @$cmd failed\n");
             exit(1);
        }
        #