5 use Fuse qw(fuse_get_context);
6 use POSIX qw(ENOENT EISDIR EINVAL);
15 cont => "File 'a'.\n",
21 cont => "This is file 'b'.\n",
37 $file = '.' unless length($file);
42 my ($file) = filename_fixup(shift);
44 $file = '.' unless length($file);
45 return -ENOENT() unless exists($files{$file});
46 my ($size) = exists($files{$file}{cont}) ? length($files{$file}{cont}) : 0;
47 $size = $files{$file}{size} if exists $files{$file}{size};
48 my ($modes) = ($files{$file}{type}<<9) + $files{$file}{mode};
49 my ($dev, $ino, $rdev, $blocks, $gid, $uid, $nlink, $blksize) = (0,0,0,1,0,0,1,1024);
50 my ($atime, $ctime, $mtime);
51 $atime = $ctime = $mtime = $files{$file}{ctime};
52 # 2 possible types of return values:
53 #return -ENOENT(); # or any other error you care to
54 #print(join(",",($dev,$ino,$modes,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks)),"\n");
55 return ($dev,$ino,$modes,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,$blksize,$blocks);
59 # return as many text filenames as you like, followed by the retval.
60 print((scalar keys %files)."\n");
61 return (keys %files),0;
65 # VFS sanity check; it keeps all the necessary state, not much to do here.
66 my ($file) = filename_fixup(shift);
67 print("open called\n");
68 return -ENOENT() unless exists($files{$file});
69 return -EISDIR() if $files{$file}{type} & 0040;
75 # return an error numeric, or binary/text string. (note: 0 means EOF, "0" will
76 # give a byte (ascii "0") to the reading program)
77 my ($file) = filename_fixup(shift);
79 return -ENOENT() unless exists($files{$file});
80 if(!exists($files{$file}{cont})) {
81 return -EINVAL() if $off > 0;
82 my $context = fuse_get_context();
83 return sprintf("pid=0x%08x uid=0x%08x gid=0x%08x\n",@$context{'pid','uid','gid'});
85 return -EINVAL() if $off > length($files{$file}{cont});
86 return 0 if $off == length($files{$file}{cont});
87 return substr($files{$file}{cont},$off,$buf);
90 sub e_statfs { return 255, 1, 1, 1, 1, 2 }
92 # If you run the script directly, it will run fusermount, which will in turn
93 # re-run this script. Hence the funky semantics.
94 my ($mountpoint) = "";
95 $mountpoint = shift(@ARGV) if @ARGV;
97 mountpoint=>$mountpoint,
98 getattr=>"main::e_getattr",
99 getdir =>"main::e_getdir",
100 open =>"main::e_open",
101 statfs =>"main::e_statfs",
102 read =>"main::e_read",