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libguestfs/0004-RHEL-Remove-9p-APIs-from-RHEL-RHBZ-921710.patch
Richard W.M. Jones e0c7084adb Rebase to new stable branch version 1.46.1 
resolves: rhbz#2011711
Fix usage of strerror_r which caused corrupted error messages
resolves: rhbz#2030396
2021-12-09 19:35:58 +00:00

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From f0dce483f0d4bc49c6df6d056f3f4321754fa32d Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Thu, 18 Jul 2013 18:31:53 +0100
Subject: [PATCH] RHEL: Remove 9p APIs from RHEL (RHBZ#921710).
---
daemon/9p.c | 182 --------------------------------------
daemon/Makefile.am | 1 -
docs/C_SOURCE_FILES | 1 -
generator/actions_core.ml | 21 -----
generator/proc_nr.ml | 2 -
gobject/Makefile.inc | 2 -
po/POTFILES | 2 -
tests/Makefile.am | 1 -
8 files changed, 212 deletions(-)
delete mode 100644 daemon/9p.c
diff --git a/daemon/9p.c b/daemon/9p.c
deleted file mode 100644
index 9a3a5cfdf..000000000
--- a/daemon/9p.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/* libguestfs - the guestfsd daemon
- * Copyright (C) 2011 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.
- */
-
-#include <config.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <limits.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <dirent.h>
-#include <fcntl.h>
-
-#include "ignore-value.h"
-
-#include "daemon.h"
-#include "actions.h"
-
-#define BUS_PATH "/sys/bus/virtio/drivers/9pnet_virtio"
-
-static void
-modprobe_9pnet_virtio (void)
-{
- /* Required with Linux 5.6 and maybe earlier kernels. For unclear
- * reasons the module is not an automatic dependency of the 9p
- * module so doesn't get loaded automatically.
- */
- ignore_value (command (NULL, NULL, "modprobe", "9pnet_virtio", NULL));
-}
-
-/* https://bugzilla.redhat.com/show_bug.cgi?id=714981#c1 */
-char **
-do_list_9p (void)
-{
- CLEANUP_FREE_STRINGSBUF DECLARE_STRINGSBUF (r);
- DIR *dir;
-
- modprobe_9pnet_virtio ();
-
- dir = opendir (BUS_PATH);
- if (!dir) {
- perror ("opendir: " BUS_PATH);
- if (errno != ENOENT) {
- reply_with_perror ("opendir: " BUS_PATH);
- return NULL;
- }
-
- /* If this directory doesn't exist, it probably means that
- * the virtio driver isn't loaded. Don't return an error
- * in this case, but return an empty list.
- */
- if (end_stringsbuf (&r) == -1)
- return NULL;
-
- return take_stringsbuf (&r);
- }
-
- while (1) {
- struct dirent *d;
-
- errno = 0;
- d = readdir (dir);
- if (d == NULL) break;
-
- if (STRPREFIX (d->d_name, "virtio")) {
- CLEANUP_FREE char *mount_tag_path = NULL;
- if (asprintf (&mount_tag_path, BUS_PATH "/%s/mount_tag",
- d->d_name) == -1) {
- reply_with_perror ("asprintf");
- closedir (dir);
- return NULL;
- }
-
- /* A bit unclear, but it looks like the virtio transport allows
- * the mount tag length to be unlimited (or up to 65536 bytes).
- * See: linux/include/linux/virtio_9p.h
- */
- CLEANUP_FREE char *mount_tag = read_whole_file (mount_tag_path, NULL);
- if (mount_tag == 0)
- continue;
-
- if (add_string (&r, mount_tag) == -1) {
- closedir (dir);
- return NULL;
- }
- }
- }
-
- /* Check readdir didn't fail */
- if (errno != 0) {
- reply_with_perror ("readdir: " BUS_PATH);
- closedir (dir);
- return NULL;
- }
-
- /* Close the directory handle */
- if (closedir (dir) == -1) {
- reply_with_perror ("closedir: " BUS_PATH);
- return NULL;
- }
-
- /* Sort the tags. */
- if (r.size > 0)
- sort_strings (r.argv, r.size);
-
- /* NULL terminate the list */
- if (end_stringsbuf (&r) == -1)
- return NULL;
-
- return take_stringsbuf (&r);
-}
-
-/* Takes optional arguments, consult optargs_bitmask. */
-int
-do_mount_9p (const char *mount_tag, const char *mountpoint, const char *options)
-{
- CLEANUP_FREE char *mp = NULL, *opts = NULL, *err = NULL;
- struct stat statbuf;
- int r;
-
- ABS_PATH (mountpoint, 0, return -1);
-
- mp = sysroot_path (mountpoint);
- if (!mp) {
- reply_with_perror ("malloc");
- return -1;
- }
-
- /* Check the mountpoint exists and is a directory. */
- if (stat (mp, &statbuf) == -1) {
- reply_with_perror ("%s", mountpoint);
- return -1;
- }
- if (!S_ISDIR (statbuf.st_mode)) {
- reply_with_perror ("%s: mount point is not a directory", mountpoint);
- return -1;
- }
-
- /* Add trans=virtio to the options. */
- if ((optargs_bitmask & GUESTFS_MOUNT_9P_OPTIONS_BITMASK) &&
- STRNEQ (options, "")) {
- if (asprintf (&opts, "trans=virtio,%s", options) == -1) {
- reply_with_perror ("asprintf");
- return -1;
- }
- }
- else {
- opts = strdup ("trans=virtio");
- if (opts == NULL) {
- reply_with_perror ("strdup");
- return -1;
- }
- }
-
- modprobe_9pnet_virtio ();
- r = command (NULL, &err,
- "mount", "-o", opts, "-t", "9p", mount_tag, mp, NULL);
- if (r == -1) {
- reply_with_error ("%s on %s: %s", mount_tag, mountpoint, err);
- return -1;
- }
-
- return 0;
-}
diff --git a/daemon/Makefile.am b/daemon/Makefile.am
index 7322bfa5d..872eaa8bc 100644
--- a/daemon/Makefile.am
+++ b/daemon/Makefile.am
@@ -84,7 +84,6 @@ guestfsd_SOURCES = \
../common/protocol/guestfs_protocol.h \
../common/utils/cleanups.h \
../common/utils/guestfs-utils.h \
- 9p.c \
acl.c \
actions.h \
available.c \
diff --git a/docs/C_SOURCE_FILES b/docs/C_SOURCE_FILES
index 6a97d8b0e..896314e7e 100644
--- a/docs/C_SOURCE_FILES
+++ b/docs/C_SOURCE_FILES
@@ -43,7 +43,6 @@ common/visit/visit.c
common/visit/visit.h
common/windows/windows.c
common/windows/windows.h
-daemon/9p.c
daemon/acl.c
daemon/actions.h
daemon/augeas.c
diff --git a/generator/actions_core.ml b/generator/actions_core.ml
index 226fb860a..05320fcd3 100644
--- a/generator/actions_core.ml
+++ b/generator/actions_core.ml
@@ -6157,27 +6157,6 @@ This returns true iff the device exists and contains all zero bytes.
Note that for large devices this can take a long time to run." };
- { defaults with
- name = "list_9p"; added = (1, 11, 12);
- style = RStringList (RPlainString, "mounttags"), [], [];
- shortdesc = "list 9p filesystems";
- longdesc = "\
-List all 9p filesystems attached to the guest. A list of
-mount tags is returned." };
-
- { defaults with
- name = "mount_9p"; added = (1, 11, 12);
- style = RErr, [String (PlainString, "mounttag"); String (PlainString, "mountpoint")], [OString "options"];
- camel_name = "Mount9P";
- shortdesc = "mount 9p filesystem";
- longdesc = "\
-Mount the virtio-9p filesystem with the tag C<mounttag> on the
-directory C<mountpoint>.
-
-If required, C<trans=virtio> will be automatically added to the options.
-Any other options required can be passed in the optional C<options>
-parameter." };
-
{ defaults with
name = "list_dm_devices"; added = (1, 11, 15);
style = RStringList (RDevice, "devices"), [], [];
diff --git a/generator/proc_nr.ml b/generator/proc_nr.ml
index 74b95baf7..6b6cb7353 100644
--- a/generator/proc_nr.ml
+++ b/generator/proc_nr.ml
@@ -295,8 +295,6 @@ let proc_nr = [
282, "internal_autosync";
283, "is_zero";
284, "is_zero_device";
-285, "list_9p";
-286, "mount_9p";
287, "list_dm_devices";
288, "ntfsresize";
289, "btrfs_filesystem_resize";
diff --git a/gobject/Makefile.inc b/gobject/Makefile.inc
index 650f8ddac..c4e735967 100644
--- a/gobject/Makefile.inc
+++ b/gobject/Makefile.inc
@@ -94,7 +94,6 @@ guestfs_gobject_headers= \
include/guestfs-gobject/optargs-mksquashfs.h \
include/guestfs-gobject/optargs-mkswap.h \
include/guestfs-gobject/optargs-mktemp.h \
- include/guestfs-gobject/optargs-mount_9p.h \
include/guestfs-gobject/optargs-mount_local.h \
include/guestfs-gobject/optargs-ntfsclone_out.h \
include/guestfs-gobject/optargs-ntfsfix.h \
@@ -188,7 +187,6 @@ guestfs_gobject_sources= \
src/optargs-mksquashfs.c \
src/optargs-mkswap.c \
src/optargs-mktemp.c \
- src/optargs-mount_9p.c \
src/optargs-mount_local.c \
src/optargs-ntfsclone_out.c \
src/optargs-ntfsfix.c \
diff --git a/po/POTFILES b/po/POTFILES
index 29205b6a6..23afe619c 100644
--- a/po/POTFILES
+++ b/po/POTFILES
@@ -26,7 +26,6 @@ common/utils/stringlists-utils.c
common/utils/utils.c
common/visit/visit.c
common/windows/windows.c
-daemon/9p.c
daemon/acl.c
daemon/augeas.c
daemon/available.c
@@ -264,7 +263,6 @@ gobject/src/optargs-mkfs_btrfs.c
gobject/src/optargs-mksquashfs.c
gobject/src/optargs-mkswap.c
gobject/src/optargs-mktemp.c
-gobject/src/optargs-mount_9p.c
gobject/src/optargs-mount_local.c
gobject/src/optargs-ntfsclone_out.c
gobject/src/optargs-ntfsfix.c
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 919e2f248..e3613fec4 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -43,7 +43,6 @@ check-slow:
check-valgrind:
$(MAKE) VG="@VG@" check
-TESTS += 9p/test-9p.sh
EXTRA_DIST += 9p/test-9p.sh
SLOW_TESTS += bigdirs/test-big-dirs.pl
--
2.31.1
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