From 0519775fae697ae72c6cd12b733f2a01bcf622b5 Mon Sep 17 00:00:00 2001
From: mh <mh@immerda.ch>
Date: Sun, 10 Jul 2011 21:56:42 +0200
Subject: update rrsync script to latest from rsync upstream

---
 files/rrsync/rrsync | 76 +++++++++++++++++++++++++++++++----------------------
 1 file changed, 45 insertions(+), 31 deletions(-)

diff --git a/files/rrsync/rrsync b/files/rrsync/rrsync
index b084200..7c7c659 100755
--- a/files/rrsync/rrsync
+++ b/files/rrsync/rrsync
@@ -16,10 +16,10 @@ use constant LOGFILE => 'rrsync.log';
 
 my $Usage = <<EOM;
 Use 'command="$0 [-ro] SUBDIR"'
-	in front of lines in $ENV{HOME}/.ssh/authorized_keys
+  in front of lines in $ENV{HOME}/.ssh/authorized_keys
 EOM
 
-our $ro = (@ARGV && $ARGV[0] eq '-ro') ? shift : '';	# -ro = Read-Only
+our $ro = (@ARGV && $ARGV[0] eq '-ro') ? shift : '';  # -ro = Read-Only
 our $subdir = shift;
 die "$0: No subdirectory specified\n$Usage" unless defined $subdir;
 $subdir = abs_path($subdir);
@@ -37,8 +37,9 @@ die "$0: Restricted directory does not exist!\n" if $subdir ne '/' && !-d $subdi
 # SSH_CONNECTION=client_addr client_port server_port
 
 my $command = $ENV{SSH_ORIGINAL_COMMAND};
-die "$0: Not invoked via sshd\n$Usage"	unless defined $command;
+die "$0: Not invoked via sshd\n$Usage"  unless defined $command;
 die "$0: SSH_ORIGINAL_COMMAND='$command' is not rsync\n" unless $command =~ s/^rsync\s+//;
+die "$0: --server option is not first\n" unless $command =~ /^--server\s/;
 our $am_sender = $command =~ /^--server\s+--sender\s/; # Restrictive on purpose!
 die "$0 -ro: sending to read-only server not allowed\n" if $ro && !$am_sender;
 
@@ -48,9 +49,9 @@ die "$0 -ro: sending to read-only server not allowed\n" if $ro && !$am_sender;
 # and only in the option format that the stock rsync produces.
 
 # To disable a short-named option, add its letter to this string:
-our $short_disabled = '';
+our $short_disabled = 's';
 
-our $short_no_arg = 'ACDEHIKLORSWXbcdgiklmnoprstuvxz'; # DO NOT REMOVE ANY
+our $short_no_arg = 'ACDEHIKLORSWXbcdgklmnoprstuvxz'; # DO NOT REMOVE ANY
 our $short_with_num = 'B'; # DO NOT REMOVE ANY
 
 # To disable a long-named option, change its value to a -1.  The values mean:
@@ -65,23 +66,30 @@ our %long_opt = (
   'compress-level' => 1,
   'copy-dest' => 2,
   'copy-unsafe-links' => 0,
-  'daemon' => 0,
+  'daemon' => -1,
   'delay-updates' => 0,
   'delete' => 0,
   'delete-after' => 0,
   'delete-before' => 0,
+  'delete-delay' => 0,
   'delete-during' => 0,
   'delete-excluded' => 0,
+  'delete-missing-args' => 0,
   'existing' => 0,
+  'fake-super' => 0,
   'files-from' => 3,
   'force' => 0,
   'from0' => 0,
   'fuzzy' => 0,
+  'groupmap' => 1,
+  'iconv' => 1,
   'ignore-errors' => 0,
   'ignore-existing' => 0,
+  'ignore-missing-args' => 0,
   'inplace' => 0,
   'link-dest' => 2,
   'list-only' => 0,
+  'log-file' => 3,
   'log-format' => 1,
   'max-delete' => 1,
   'max-size' => 1,
@@ -101,11 +109,15 @@ our %long_opt = (
   'sender' => 0,
   'server' => 0,
   'size-only' => 0,
+  'skip-compress' => 1,
   'specials' => 0,
+  'stats' => 0,
   'suffix' => 1,
   'super' => 0,
   'temp-dir' => 2,
   'timeout' => 1,
+  'use-qsort' => 0,
+  'usermap' => 1,
 );
 
 ### END of options data produced by the cull_options script. ###
@@ -135,29 +147,30 @@ while ($command =~ /((?:[^\s\\]+|\\.[^\s\\]*)+)/g) {
     if ($_ eq '.') {
       $in_options = 0;
     } else {
-      next if /^-($short_no_arg|e\d*\.\d*)+$/o || /^-$short_with_num\d+$/o;
+      die "$0: invalid option: '-'\n" if $_ eq '-';
+      next if /^-$short_no_arg*(e\d*\.\w*)?$/o || /^-$short_with_num\d+$/o;
 
       my($opt,$arg) = /^--([^=]+)(?:=(.*))?$/;
       my $disabled;
       if (defined $opt) {
-	my $ct = $long_opt{$opt};
-	last unless defined $ct;
-	next if $ct == 0;
-	if ($ct > 0) {
-	  if (!defined $arg) {
-	    $check_type = $ct;
-	    $last_opt = $opt;
-	    next;
-	  }
-	  $arg = check_arg($opt, $arg, $ct);
-	  $opts[-1] =~ s/=.*/=$arg/;
-	  next;
-	}
-	$disabled = 1;
-	$opt = "--$opt";
+  my $ct = $long_opt{$opt};
+  last unless defined $ct;
+  next if $ct == 0;
+  if ($ct > 0) {
+    if (!defined $arg) {
+      $check_type = $ct;
+      $last_opt = $opt;
+      next;
+    }
+    $arg = check_arg($opt, $arg, $ct);
+    $opts[-1] =~ s/=.*/=$arg/;
+    next;
+  }
+  $disabled = 1;
+  $opt = "--$opt";
       } elsif ($short_disabled ne '') {
-	$disabled = /^-$short_no_arg*([$short_disabled])/o;
-	$opt = "-$1";
+  $disabled = /^-$short_no_arg*([$short_disabled])/o;
+  $opt = "-$1";
       }
 
       last unless $disabled; # Generate generic failure
@@ -166,10 +179,10 @@ while ($command =~ /((?:[^\s\\]+|\\.[^\s\\]*)+)/g) {
   } else {
     if ($subdir ne '/') {
       # Validate args to ensure they don't try to leave our restricted dir.
-      s#//+#/#g;
-      s#^/##;
-      s#^$#.#;
-      die "Do not use .. in any path!\n" if m#(^|/)\\?\.\\?\.(\\?/|$)#;
+      s{//+}{/}g;
+      s{^/}{};
+      s{^$}{.};
+      die "$0: do not use .. in any path!\n" if m{(^|/)\\?\.\\?\.(\\?/|$)};
     }
     push(@args, bsd_glob($_, GLOB_LIMIT|GLOB_NOCHECK|GLOB_BRACE|GLOB_QUOTE));
   }
@@ -196,10 +209,11 @@ sub check_arg
   my($opt, $arg, $type) = @_;
   $arg =~ s/\\(.)/$1/g;
   if ($subdir ne '/' && ($type == 3 || ($type == 2 && !$am_sender))) {
-    $arg =~ s#//#/#g;
+    $arg =~ s{//}{/}g;
     die "Do not use .. in --$opt; anchor the path at the root of your restricted dir.\n"
-      if $arg =~ m#(^|/)\.\.(/|$)#;
-    $arg =~ s#^/#$subdir/#;
+      if $arg =~ m{(^|/)\.\.(/|$)};
+    $arg =~ s{^/}{$subdir/};
   }
   $arg;
 }
+
-- 
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