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main: create dir in two steps with xattrs permissions

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if xattrs permissions are used, create the directory in two steps and
set the correct ownership before moving it into the target.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano 2023-11-02 11:49:14 +01:00
parent d65ce2a8bb
commit d9e78eadb7
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GPG Key ID: 67E38F7A8BA21772
1 changed files with 2 additions and 1 deletions
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main.c
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@ -2866,7 +2866,7 @@ create_directory (struct ovl_data *lo, int dirfd, const char *name, const struct
bool need_rename; bool need_rename;
mode_t backing_file_mode = mode | (lo->xattr_permissions ? 0755 : 0); mode_t backing_file_mode = mode | (lo->xattr_permissions ? 0755 : 0);
need_rename = set_opaque || times || xattr_sfd >= 0 || uid != lo->uid || gid != lo->gid; need_rename = set_opaque || times || xattr_sfd >= 0 || uid != lo->uid || gid != lo->gid || get_upper_layer (lo)->stat_override_mode != STAT_OVERRIDE_NONE;
if (! need_rename) if (! need_rename)
{ {
/* mkdir can be used directly without a temporary directory in the working directory. */ /* mkdir can be used directly without a temporary directory in the working directory. */
@ -2937,6 +2937,7 @@ create_directory (struct ovl_data *lo, int dirfd, const char *name, const struct
ret = fstat (dfd, st_out); ret = fstat (dfd, st_out);
if (ret < 0) if (ret < 0)
goto out; goto out;
st_out->st_mode = (st_out->st_mode & S_IFMT) | (mode & ~S_IFMT);
} }
ret = inherit_acl (lo, parent, dfd, NULL); ret = inherit_acl (lo, parent, dfd, NULL);