Abhishekmishra2808 commented on code in PR #19165:
URL: https://github.com/apache/nuttx/pull/19165#discussion_r3446750418
##########
fs/tmpfs/fs_tmpfs.c:
##########
@@ -1936,6 +2139,36 @@ static int tmpfs_fstat(FAR const struct file *filep, FAR
struct stat *buf)
return OK;
}
+/****************************************************************************
+ * Name: tmpfs_fchstat
+ ****************************************************************************/
+
+static int tmpfs_fchstat(FAR const struct file *filep,
+ FAR const struct stat *buf, int flags)
+{
+ DEBUGASSERT(filep->f_priv != NULL && buf != NULL);
+
+#ifndef CONFIG_FS_PERMISSION
Review Comment:
Done
##########
fs/tmpfs/fs_tmpfs.c:
##########
@@ -555,12 +561,176 @@ static int tmpfs_add_dirent(FAR struct tmpfs_directory_s
*tdo,
return OK;
}
+#if defined(CONFIG_FS_PERMISSION)
+
+/****************************************************************************
+ * Name: tmpfs_init_object
+ ****************************************************************************/
+
+static void tmpfs_init_object(FAR struct tmpfs_object_s *to, mode_t mode)
+{
+ FAR struct tcb_s *rtcb;
+
+ to->to_mode = mode & 07777;
+ rtcb = nxsched_self();
+ if ((rtcb->flags & TCB_FLAG_TTYPE_MASK) == TCB_FLAG_TTYPE_KERNEL ||
+ rtcb->group == NULL)
+ {
+ to->to_uid = 0;
+ to->to_gid = 0;
+ }
+ else
+ {
+ to->to_uid = rtcb->group->tg_euid;
+ to->to_gid = rtcb->group->tg_egid;
+ }
+}
+
+/****************************************************************************
+ * Name: tmpfs_check_pathperm
+ ****************************************************************************/
+
+static int tmpfs_check_pathperm(FAR struct tmpfs_s *fs,
+ FAR const char *relpath, size_t relpathlen,
+ int final_amode)
+{
+ FAR struct tmpfs_directory_s *tdo;
+ FAR struct tmpfs_object_s *to;
+ size_t begin = 0;
+ size_t end;
+ int ret;
+
+ while (begin < relpathlen && relpath[begin] == '/')
+ {
+ begin++;
+ }
+
+ if (begin >= relpathlen)
+ {
+ to = fs->tfs_root.tde_object;
+ return fs_checkmode(to->to_uid, to->to_gid,
+ to->to_mode | S_IFDIR, final_amode);
+ }
+
+ end = begin;
+ while (end <= relpathlen)
+ {
+ if (end < relpathlen && relpath[end] != '/')
+ {
+ end++;
+ continue;
+ }
+
+ if (end == begin)
+ {
+ break;
+ }
+
+ ret = tmpfs_find_directory(fs, relpath, end, &tdo, NULL);
+ if (ret < 0)
+ {
+ return ret;
+ }
+
+ to = (FAR struct tmpfs_object_s *)tdo;
+ ret = fs_checkmode(to->to_uid, to->to_gid,
+ to->to_mode | S_IFDIR,
+ (end >= relpathlen) ? final_amode : X_OK);
Review Comment:
Done
##########
fs/tmpfs/fs_tmpfs.c:
##########
@@ -555,12 +561,176 @@ static int tmpfs_add_dirent(FAR struct tmpfs_directory_s
*tdo,
return OK;
}
+#if defined(CONFIG_FS_PERMISSION)
+
+/****************************************************************************
+ * Name: tmpfs_init_object
+ ****************************************************************************/
+
+static void tmpfs_init_object(FAR struct tmpfs_object_s *to, mode_t mode)
+{
+ FAR struct tcb_s *rtcb;
+
+ to->to_mode = mode & 07777;
+ rtcb = nxsched_self();
+ if ((rtcb->flags & TCB_FLAG_TTYPE_MASK) == TCB_FLAG_TTYPE_KERNEL ||
+ rtcb->group == NULL)
+ {
+ to->to_uid = 0;
+ to->to_gid = 0;
+ }
+ else
+ {
+ to->to_uid = rtcb->group->tg_euid;
+ to->to_gid = rtcb->group->tg_egid;
+ }
+}
+
+/****************************************************************************
+ * Name: tmpfs_check_pathperm
+ ****************************************************************************/
+
+static int tmpfs_check_pathperm(FAR struct tmpfs_s *fs,
+ FAR const char *relpath, size_t relpathlen,
+ int final_amode)
+{
+ FAR struct tmpfs_directory_s *tdo;
+ FAR struct tmpfs_object_s *to;
+ size_t begin = 0;
+ size_t end;
+ int ret;
+
+ while (begin < relpathlen && relpath[begin] == '/')
+ {
+ begin++;
+ }
+
+ if (begin >= relpathlen)
+ {
+ to = fs->tfs_root.tde_object;
+ return fs_checkmode(to->to_uid, to->to_gid,
+ to->to_mode | S_IFDIR, final_amode);
+ }
+
+ end = begin;
+ while (end <= relpathlen)
+ {
+ if (end < relpathlen && relpath[end] != '/')
+ {
+ end++;
+ continue;
+ }
+
+ if (end == begin)
Review Comment:
Done
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