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vfs_gpfs: add path based fallback for gpfswrap_fstat_x() on pathref handles

Browse Source 
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14771

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Christof Schmitt <cs@samba.org>
This commit is contained in:
Ralph Boehme 2021-07-29 19:28:14 +02:00
parent 730f8c49a9
commit fde1b98143
1 changed files with 30 additions and 3 deletions
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33
source3/modules/vfs_gpfs.c
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@ -1474,6 +1474,9 @@ static NTSTATUS vfs_gpfs_fget_dos_attributes(struct vfs_handle_struct *handle,
uint32_t *dosmode)
{
struct gpfs_config_data *config;
int fd = fsp_get_pathref_fd(fsp);
char buf[PATH_MAX];
const char *p = NULL;
struct gpfs_iattr64 iattr = { };
unsigned int litemask;
struct timespec ts;
@ -1489,7 +1492,22 @@ static NTSTATUS vfs_gpfs_fget_dos_attributes(struct vfs_handle_struct *handle,
return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle, fsp, dosmode);
}
ret = gpfswrap_fstat_x(fsp_get_pathref_fd(fsp), &litemask, &iattr, sizeof(iattr));
if (fsp->fsp_flags.is_pathref && !config->pathref_ok.gpfs_fstat_x) {
if (fsp->fsp_flags.have_proc_fds) {
p = sys_proc_fd_path(fd, buf, sizeof(buf));
if (p == NULL) {
return NT_STATUS_NO_MEMORY;
}
} else {
p = fsp->fsp_name->base_name;
}
}
if (p != NULL) {
ret = gpfswrap_stat_x(p, &litemask, &iattr, sizeof(iattr));
} else {
ret = gpfswrap_fstat_x(fd, &litemask, &iattr, sizeof(iattr));
}
if (ret == -1 && errno == ENOSYS) {
return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle, fsp, dosmode);
}
@ -1506,8 +1524,17 @@ static NTSTATUS vfs_gpfs_fget_dos_attributes(struct vfs_handle_struct *handle,
set_effective_capability(DAC_OVERRIDE_CAPABILITY);
ret = gpfswrap_fstat_x(fsp_get_pathref_fd(fsp), &litemask,
&iattr, sizeof(iattr));
if (p != NULL) {
ret = gpfswrap_stat_x(p,
&litemask,
&iattr,
sizeof(iattr));
} else {
ret = gpfswrap_fstat_x(fd,
&litemask,
&iattr,
sizeof(iattr));
}
if (ret == -1) {
saved_errno = errno;
}