and constant AT_EMPTY_PATH for chowning a directory/file opened via
openat(2), for example when walking/creating a directory tree without
following symlinks.
Signed-off-by: Fabian Grünbichler <f.gruenbich...@proxmox.com>
---
src/PVE/Syscall.pm | 1 +
src/PVE/Tools.pm | 7 +++++++
2 files changed, 8 insertions(+)
diff --git a/src/PVE/Syscall.pm b/src/PVE/Syscall.pm
index a2903b7..99e43e7 100644
--- a/src/PVE/Syscall.pm
+++ b/src/PVE/Syscall.pm
@@ -14,6 +14,7 @@ BEGIN {
mkdirat => &SYS_mkdirat,
faccessat => &SYS_faccessat,
setresuid => &SYS_setresuid,
+ fchownat => &SYS_fchownat,
);
};
diff --git a/src/PVE/Tools.pm b/src/PVE/Tools.pm
index 676647e..550da09 100644
--- a/src/PVE/Tools.pm
+++ b/src/PVE/Tools.pm
@@ -85,6 +85,8 @@ use constant {CLONE_NEWNS => 0x00020000,
use constant {O_PATH => 0x00200000,
O_TMPFILE => 0x00410000}; # This includes O_DIRECTORY
+use constant {AT_EMPTY_PATH => 0x1000};
+
sub run_with_timeout {
my ($timeout, $code, @param) = @_;
@@ -1556,6 +1558,11 @@ sub mkdirat($$$) {
return syscall(PVE::Syscall::mkdirat, $dirfd, $name, $mode) == 0;
}
+sub fchownat($$$$$) {
+ my ($dirfd, $pathname, $owner, $group, $flags) = @_;
+ return syscall(PVE::Syscall::fchownat, $dirfd, $pathname, $owner, $group,
$flags) == 0;
+}
+
my $salt_starter = time();
sub encrypt_pw {
--
2.20.1
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