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libguestfs/Omit-file--S-option-on-older-distros-that-lack-support.patch
Charles Arnold 791af902b9 - bsc#1215543 - guestfs regression: file: Use -S option with -z
Omit-file--S-option-on-older-distros-that-lack-support.patch
- bsc#1215586 - guestfs regression: non functional network due to
  missing sysconfig-netconfig
  libguestfs.spec

OBS-URL: https://build.opensuse.org/package/show/Virtualization/libguestfs?expand=0&rev=547
2023-09-25 21:01:06 +00:00

126 lines
4.3 KiB
Diff

Subject: daemon: Omit 'file -S' option on older distros that lack support
From: Richard W.M. Jones rjones@redhat.com Thu Sep 21 12:32:50 2023 +0100
Date: Thu Sep 21 15:09:14 2023 +0100:
Git: c95d8c4cf64142bb707b42c32cf3e1ba3c4a5eb1
OpenSUSE LEAP 15 lacks support for this option, so test for it before
using it.
See also:
https://listman.redhat.com/archives/libguestfs/2023-September/032613.html
Reported-by: Olaf Hering
Fixes: commit 23986d3c4f4d1f9cbac44cc743d3e6af721e4237
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
--- a/daemon/Makefile.am
+++ b/daemon/Makefile.am
@@ -280,6 +280,7 @@ SOURCES_MLI = \
devsparts.mli \
file.mli \
filearch.mli \
+ file_helper.mli \
findfs.mli \
inspect.mli \
inspect_fs.mli \
@@ -321,6 +322,7 @@ SOURCES_ML = \
btrfs.ml \
cryptsetup.ml \
devsparts.ml \
+ file_helper.ml \
file.ml \
filearch.ml \
isoinfo.ml \
--- a/daemon/file.ml
+++ b/daemon/file.ml
@@ -43,7 +43,10 @@ let file path =
| S_SOCK -> "socket"
| S_REG ->
(* Regular file, so now run [file] on it. *)
- let out = command "file" ["-zSb"; Sysroot.sysroot_path path] in
+ let file_options =
+ sprintf "-z%sb"
+ (if File_helper.file_has_S_option () then "S" else "") in
+ let out = command "file" [file_options; Sysroot.sysroot_path path] in
(* We need to remove the trailing \n from output of file(1).
*
@@ -54,6 +57,9 @@ let file path =
String.trimr out
)
else (* it's a device *) (
- let out = command "file" ["-zSbsL"; path] in
+ let file_options =
+ sprintf "-z%sbsL"
+ (if File_helper.file_has_S_option () then "S" else "") in
+ let out = command "file" [file_options; path] in
String.trimr out
)
--- /dev/null
+++ b/daemon/file_helper.ml
@@ -0,0 +1,28 @@
+(* libguestfs daemon
+ * Copyright (C) 2009-2023 Red Hat Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *)
+
+open Std_utils
+
+(* Does [file] support the [-S] / [--no-sandbox] option
+ * (not on OpenSUSE LEAP 15).
+ *)
+let test_option = lazy (
+ let out = Utils.command "file" ["--help"] in
+ String.find out "--no-sandbox" >= 0
+)
+let file_has_S_option () = Lazy.force test_option
--- /dev/null
+++ b/daemon/file_helper.mli
@@ -0,0 +1,19 @@
+(* libguestfs daemon
+ * Copyright (C) 2009-2023 Red Hat Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *)
+
+val file_has_S_option : unit -> bool
--- a/daemon/filearch.ml
+++ b/daemon/filearch.ml
@@ -128,7 +128,10 @@ and cpio_arch magic orig_path path =
| bin :: bins ->
let bin_path = tmpdir // bin in
if is_regular_file bin_path then (
- let out = command "file" ["-zSb"; bin_path] in
+ let file_options =
+ sprintf "-z%sb"
+ (if File_helper.file_has_S_option () then "S" else "") in
+ let out = command "file" [file_options; bin_path] in
file_architecture_of_magic out orig_path bin_path
)
else