is_mounted: use realpath on the mountpoint

This will avoid problmes with symlinks as well as paths
containing ./, ../ or trailing slashes.

diff --git a/src/PVE/ProcFSTools.pm b/src/PVE/ProcFSTools.pm
index 467069430c6a7baa927a4975ae3e9159925f3abe..368ae73a1674b93018d1df9505604c7746f07811 100644 (file)
--- a/src/PVE/ProcFSTools.pm
+++ b/src/PVE/ProcFSTools.pm
@@ -6,6 +6,7 @@ use POSIX;
 use Time::HiRes qw (gettimeofday);
 use IO::File;
 use PVE::Tools;
 use Time::HiRes qw (gettimeofday);
 use IO::File;
 use PVE::Tools;

+use Cwd;

 
 my $clock_ticks = POSIX::sysconf(&POSIX::_SC_CLK_TCK);
 
 
 my $clock_ticks = POSIX::sysconf(&POSIX::_SC_CLK_TCK);
 


@@ -291,6 +292,8 @@ sub read_proc_mounts {
 sub is_mounted {
     my ($mountpoint) = @_;
 
 sub is_mounted {
     my ($mountpoint) = @_;
 

+    $mountpoint = Cwd::realpath($mountpoint);
+

     my $mountdata = read_proc_mounts();
 
     if ($mountdata =~ m/\s$mountpoint\s/) {
     my $mountdata = read_proc_mounts();
 
     if ($mountdata =~ m/\s$mountpoint\s/) {