diff options
Diffstat (limited to 'packaging/SGI/sambalp')
| -rw-r--r-- | packaging/SGI/sambalp | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/packaging/SGI/sambalp b/packaging/SGI/sambalp deleted file mode 100644 index 27ca5165f97..00000000000 --- a/packaging/SGI/sambalp +++ /dev/null @@ -1,161 +0,0 @@ -#!/bin/perl -# -# Hacked by Alan Stebbens <aks@sgi.com> to setuid to the username if -# valid on this system. Written as a secure Perl script. To enable, -# -# chown root /usr/samba/bin/sambalp -# chmod u+s,+x /usr/samba/bin/sambalp -# -# If setuidshells is not enabled on your system, you must also do this: -# -# systune -i -# nosuidshells = 0 -# y -# quit -# -# reboot -# -# This script will still work as a normal user; it will not try -# to setuid in this case. -# -# If the "$PSFIX" variable is set below... -# -# Workaround Win95 printer driver/Impressario bug by removing -# the PS check for available virtual memory. Note that this -# bug appears to be in all Win95 print drivers that generate -# PostScript; but is for certain there with a QMS-PS 810 (the -# printer type I configure on the Win95-side for printing with -# Samba). -# -# the perl script fixes 3 different bugs. -# 1. remove the JCL statements added by some HP printer drivers to the -# beginning of the postscript output. -# 2. Fix a bug in output from word files with long filenames. A non-printing -# character added to the end of the title comment by word is -# removed. -# 3. The VM fix described above. -# -# -# Modified for Perl4 compatibility. -# - -$PROG = "sambalp"; - -$PSFIX = 1; # set to 0 if you don't want to run - # the "psfix" portion - -# Untaint the PATH variable -@PATH = split(' ',<<EOF); - /usr/sbin /usr/bsd /sbin /usr/bin /bin /usr/lib /usr/local/bin -EOF -$ENV{'PATH'} = join(':',@PATH); - - print "$#ARGV ".scalar(@ARGV)."\n"; -if (scalar(@ARGV) < 2) { - print STDERR "usage: $PROG printer file [user] [system]\n"; - exit; -} - -$printer = $ARGV[0]; -$file = $ARGV[1]; -$user = $ARGV[2]; -$system = $ARGV[3]; - -$user = "nobody" unless($user); -$system = `hostname` unless($system); - -open(LPSTAT,"/usr/bin/lpstat -t|") || die("Can't get printer list.\n"); -@printers = (); -while (<LPSTAT>) { - next unless /^printer (\w+)/; - push(@printers,$1); -} -close LPSTAT; -# Create a hash list -@printers{@printers} = @printers; - -# Untaint the printer name -if (defined($prtname = $printers{$printer})) { - $printer = $prtname; -} else { - die("Unknown printer: \"$printer\"\n"); -} - -if ($> == 0) { # are we root? - # yes -- then perform a taint checks and possibly do a suid check - - # Untaint the file and system names (pretend to filter them) - $file = $file =~ /^(.*)/ ? $1 : die("Bad file: $file\n"); - $system = $system =~ /^(.*)/ ? $1 : die("Bad system: $system\n"); - - # Get the valid users - setpwent; - %users = (); - while (@pwe = getpwent()) { - $uids{$pwe[0]} = $pwe[2]; - $users{$pwe[2]} = $pwe[0]; - } - endpwent(); - - # Check out the user -- if the user is a real user on this system, - # then become that user so that the printer header page looks right - # otherwise, remain as the default user (probably "nobody"). - - if (defined($uid = $uids{$user})) { - - # before we change UID, we must ensure that the file is still - # readable after the UID change. - chown($uid, 9, $file); # make the file owned by the user - - # Now, go ahead and become the user - $name = $users{$uid}; - $> = $uid; # become the user - $< = $uid; - } else { # do untaint filtering - $name = $user =~ /^(\w+)/ ? $1 : die("Bad user: $user\n"); - } -} else { # otherwise, just be me - $name = $user; # whomever that is -} - -$lpcommand = "/usr/bin/lp -c -d$printer -t'$name on $system'"; - -# This code is from the original "psfix" but it has been completely -# rewritten for speed. - -if ($PSFIX) { # are we running a "psfix"? - open(FILE, $file) || die("Can't read $file: $!\n"); - open(LP, "|$lpcommand -") || die("Can't open pipe to \"lp\": $!\n"); - select(LP); - while (<FILE>) { # - $_ =~ s/^\004//; # strip any ctrl-d's - if (/^\e%/) { # get rid of any non-postscript commands - while (<FILE>) { # remove text until next %!PS - s/^\001M//; # lenmark driver prefixes Ctrl-A M to %!PS - last if /^%!PS/; - } - last if eof(FILE); - } elsif (/^%%Title:/) { # fix bug in long titles from MS Word - s/.\r$/\r/; # remove trailing character on the title - } elsif (/^\/VM\?/) { # remove VM test - print "/VM? { pop } bind def\r\n"; - while (<FILE>) { last if /def\r/; } - next; # don't print - } - print; - } - close FILE; - close LP; -} else { # we're not running psfix? - system("$lpcommand $file"); -} - -if ($file =~ m(^/)) { - # $file is a fully specified path - # Remove the file only if it lives in a directory ending in /tmp. - unlink($file) if ($file =~ m(/tmp/[^/]+$)); -} else { - # $file is NOT a fully specified path - # Remove the file only if current directory ends in /tmp. - unlink($file) if (`pwd` =~ m(/tmp$)); -} |