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vfs_gpfs: Implement CAP_DAC_OVERRIDE for fstatat

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BUG: https://bugzilla.samba.org/show_bug.cgi?id=15507

Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Nov  8 18:42:13 UTC 2023 on atb-devel-224
This commit is contained in:
Christof Schmitt 2023-10-26 15:51:02 -07:00 committed by Ralph Boehme
parent cbdc16a7cf
commit 963fc353e7
1 changed files with 26 additions and 0 deletions
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26
source3/modules/vfs_gpfs.c
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@ -1702,6 +1702,31 @@ static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
return ret;
}
static int vfs_gpfs_fstatat(struct vfs_handle_struct *handle,
const struct files_struct *dirfsp,
const struct smb_filename *smb_fname,
SMB_STRUCT_STAT *sbuf,
int flags)
{
int ret;
ret = SMB_VFS_NEXT_FSTATAT(handle, dirfsp, smb_fname, sbuf, flags);
if (ret == -1 && errno == EACCES) {
bool fake_dctime =
lp_fake_directory_create_times(SNUM(handle->conn));
DBG_DEBUG("fstatat for %s failed with EACCES. Trying with "
"CAP_DAC_OVERRIDE.\n", dirfsp->fsp_name->base_name);
ret = fstatat_with_cap_dac_override(fsp_get_pathref_fd(dirfsp),
smb_fname->base_name,
sbuf,
flags,
fake_dctime);
}
return ret;
}
static int timespec_to_gpfs_time(
struct timespec ts, gpfs_timestruc_t *gt, int idx, int *flags)
{
@ -2637,6 +2662,7 @@ static struct vfs_fn_pointers vfs_gpfs_fns = {
.stat_fn = vfs_gpfs_stat,
.fstat_fn = vfs_gpfs_fstat,
.lstat_fn = vfs_gpfs_lstat,
.fstatat_fn = vfs_gpfs_fstatat,
.fntimes_fn = vfs_gpfs_fntimes,
.aio_force_fn = vfs_gpfs_aio_force,
.sendfile_fn = vfs_gpfs_sendfile,