import gvfs-1.36.2-6.el8

This commit is contained in:
CentOS Sources 2019-11-05 14:38:24 -05:00 committed by Andrew Lukoshko
parent b65f7a912f
commit d9919cf528
6 changed files with 823 additions and 6 deletions

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@ -0,0 +1,385 @@
From af4d0d88604af7c196e461a743f2d1e81239d76a Mon Sep 17 00:00:00 2001
From: Ondrej Holy <oholy@redhat.com>
Date: Tue, 14 May 2019 09:31:37 +0200
Subject: [PATCH 2/3] daemon: Handle lockdown option to disable writing
Handle the new mount-removable-storage-devices-as-read-only option of
org.gnome.desktop.lockdown schema and present AFC, MTP, GPhoto2 devices
as read-only if enabled.
---
daemon/gvfsbackend.c | 62 ++++++++++++++++++++++++++++++++--
daemon/gvfsbackend.h | 6 ++++
daemon/gvfsbackendafc.c | 2 ++
daemon/gvfsbackendgphoto2.c | 1 +
daemon/gvfsbackendmtp.c | 1 +
daemon/gvfsjobcopy.c | 7 ++++
daemon/gvfsjobdelete.c | 7 ++++
daemon/gvfsjobmakedirectory.c | 7 ++++
daemon/gvfsjobmakesymlink.c | 7 ++++
daemon/gvfsjobmove.c | 7 ++++
daemon/gvfsjobopenforwrite.c | 7 ++++
daemon/gvfsjobpush.c | 7 ++++
daemon/gvfsjobqueryfsinfo.c | 11 ++----
daemon/gvfsjobsetattribute.c | 7 ++++
daemon/gvfsjobsetdisplayname.c | 7 ++++
daemon/gvfsjobtrash.c | 7 ++++
16 files changed, 143 insertions(+), 10 deletions(-)
diff --git a/daemon/gvfsbackend.c b/daemon/gvfsbackend.c
index 4fd3455c..599733ef 100644
--- a/daemon/gvfsbackend.c
+++ b/daemon/gvfsbackend.c
@@ -80,6 +80,9 @@ struct _GVfsBackendPrivate
char *default_location;
GMountSpec *mount_spec;
gboolean block_requests;
+
+ GSettings *lockdown_settings;
+ gboolean readonly_lockdown;
};
@@ -155,7 +158,9 @@ g_vfs_backend_finalize (GObject *object)
g_free (backend->priv->default_location);
if (backend->priv->mount_spec)
g_mount_spec_unref (backend->priv->mount_spec);
-
+
+ g_clear_object (&backend->priv->lockdown_settings);
+
if (G_OBJECT_CLASS (g_vfs_backend_parent_class)->finalize)
(*G_OBJECT_CLASS (g_vfs_backend_parent_class)->finalize) (object);
}
@@ -587,7 +592,29 @@ g_vfs_backend_add_auto_info (GVfsBackend *backend,
g_file_attribute_matcher_matches (matcher,
G_FILE_ATTRIBUTE_THUMBNAILING_FAILED)))
get_thumbnail_attributes (uri, info);
-
+
+ if (backend->priv->readonly_lockdown)
+ {
+ g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_ACCESS_CAN_DELETE, FALSE);
+ g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_ACCESS_CAN_RENAME, FALSE);
+ g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_ACCESS_CAN_TRASH, FALSE);
+ g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_ACCESS_CAN_WRITE, FALSE);
+ }
+}
+
+void
+g_vfs_backend_add_auto_fs_info (GVfsBackend *backend,
+ GFileAttributeMatcher *matcher,
+ GFileInfo *info)
+{
+ const char *type;
+
+ type = g_vfs_backend_get_backend_type (backend);
+ if (type)
+ g_file_info_set_attribute_string (info, G_FILE_ATTRIBUTE_GVFS_BACKEND, type);
+
+ if (backend->priv->readonly_lockdown)
+ g_file_info_set_attribute_boolean (info, G_FILE_ATTRIBUTE_FILESYSTEM_READONLY, TRUE);
}
void
@@ -1047,3 +1074,34 @@ g_vfs_backend_force_unmount (GVfsBackend *backend)
(GAsyncReadyCallback) forced_unregister_mount_callback,
NULL);
}
+
+static void
+lockdown_settings_changed (GSettings *settings,
+ gchar *key,
+ gpointer user_data)
+{
+ GVfsBackend *backend = G_VFS_BACKEND (user_data);
+
+ backend->priv->readonly_lockdown = g_settings_get_boolean (settings,
+ "mount-removable-storage-devices-as-read-only");
+}
+
+
+void
+g_vfs_backend_handle_readonly_lockdown (GVfsBackend *backend)
+{
+ backend->priv->lockdown_settings = g_settings_new ("org.gnome.desktop.lockdown");
+ backend->priv->readonly_lockdown = g_settings_get_boolean (backend->priv->lockdown_settings,
+ "mount-removable-storage-devices-as-read-only");
+ g_signal_connect_object (backend->priv->lockdown_settings,
+ "changed",
+ G_CALLBACK (lockdown_settings_changed),
+ backend,
+ 0);
+}
+
+gboolean
+g_vfs_backend_get_readonly_lockdown (GVfsBackend *backend)
+{
+ return backend->priv->readonly_lockdown;
+}
diff --git a/daemon/gvfsbackend.h b/daemon/gvfsbackend.h
index 9c7476cf..431dd290 100644
--- a/daemon/gvfsbackend.h
+++ b/daemon/gvfsbackend.h
@@ -516,6 +516,9 @@ void g_vfs_backend_add_auto_info (GVfsBackend
GFileAttributeMatcher *matcher,
GFileInfo *info,
const char *uri);
+void g_vfs_backend_add_auto_fs_info (GVfsBackend *backend,
+ GFileAttributeMatcher *matcher,
+ GFileInfo *info);
void g_vfs_backend_set_block_requests (GVfsBackend *backend,
gboolean value);
@@ -534,6 +537,9 @@ gboolean g_vfs_backend_invocation_first_handler (GVfsDBusMount *object,
GDBusMethodInvocation *invocation,
GVfsBackend *backend);
+void g_vfs_backend_handle_readonly_lockdown (GVfsBackend *backend);
+gboolean g_vfs_backend_get_readonly_lockdown (GVfsBackend *backend);
+
G_END_DECLS
#endif /* __G_VFS_BACKEND_H__ */
diff --git a/daemon/gvfsbackendafc.c b/daemon/gvfsbackendafc.c
index b6e6a106..ce68aa45 100644
--- a/daemon/gvfsbackendafc.c
+++ b/daemon/gvfsbackendafc.c
@@ -2760,6 +2760,8 @@ g_vfs_backend_afc_init (GVfsBackendAfc *self)
}
g_mutex_init (&self->apps_lock);
+
+ g_vfs_backend_handle_readonly_lockdown (G_VFS_BACKEND (self));
}
static void
diff --git a/daemon/gvfsbackendgphoto2.c b/daemon/gvfsbackendgphoto2.c
index 51e9a3bd..7e50194a 100644
--- a/daemon/gvfsbackendgphoto2.c
+++ b/daemon/gvfsbackendgphoto2.c
@@ -614,6 +614,7 @@ g_vfs_backend_gphoto2_init (GVfsBackendGphoto2 *gphoto2_backend)
g_mutex_init (&gphoto2_backend->lock);
g_vfs_backend_set_display_name (backend, "gphoto2");
+ g_vfs_backend_handle_readonly_lockdown (G_VFS_BACKEND (backend));
mount_spec = g_mount_spec_new ("gphoto2");
g_vfs_backend_set_mount_spec (backend, mount_spec);
diff --git a/daemon/gvfsbackendmtp.c b/daemon/gvfsbackendmtp.c
index e3a25ef2..c4f1e855 100644
--- a/daemon/gvfsbackendmtp.c
+++ b/daemon/gvfsbackendmtp.c
@@ -379,6 +379,7 @@ g_vfs_backend_mtp_init (GVfsBackendMtp *backend)
g_mutex_init (&backend->mutex);
g_vfs_backend_set_display_name (G_VFS_BACKEND (backend), "mtp");
g_vfs_backend_set_icon_name (G_VFS_BACKEND (backend), "multimedia-player");
+ g_vfs_backend_handle_readonly_lockdown (G_VFS_BACKEND (backend));
mount_spec = g_mount_spec_new ("mtp");
g_vfs_backend_set_mount_spec (G_VFS_BACKEND (backend), mount_spec);
diff --git a/daemon/gvfsjobcopy.c b/daemon/gvfsjobcopy.c
index 785d7480..cf33da56 100644
--- a/daemon/gvfsjobcopy.c
+++ b/daemon/gvfsjobcopy.c
@@ -141,6 +141,13 @@ try (GVfsJob *job)
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
gboolean res;
+ if (g_vfs_backend_get_readonly_lockdown (op_job->backend))
+ {
+ g_vfs_job_failed (job, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED,
+ _("Filesystem is read-only"));
+ return TRUE;
+ }
+
if (class->try_copy == NULL)
return FALSE;
diff --git a/daemon/gvfsjobdelete.c b/daemon/gvfsjobdelete.c
index 92892f15..8d5e5b8e 100644
--- a/daemon/gvfsjobdelete.c
+++ b/daemon/gvfsjobdelete.c
@@ -120,6 +120,13 @@ try (GVfsJob *job)
GVfsJobDelete *op_job = G_VFS_JOB_DELETE (job);
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
+ if (g_vfs_backend_get_readonly_lockdown (op_job->backend))
+ {
+ g_vfs_job_failed (job, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED,
+ _("Filesystem is read-only"));
+ return TRUE;
+ }
+
if (class->try_delete == NULL)
return FALSE;
diff --git a/daemon/gvfsjobmakedirectory.c b/daemon/gvfsjobmakedirectory.c
index 98bb28d5..56a9c42a 100644
--- a/daemon/gvfsjobmakedirectory.c
+++ b/daemon/gvfsjobmakedirectory.c
@@ -120,6 +120,13 @@ try (GVfsJob *job)
GVfsJobMakeDirectory *op_job = G_VFS_JOB_MAKE_DIRECTORY (job);
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
+ if (g_vfs_backend_get_readonly_lockdown (op_job->backend))
+ {
+ g_vfs_job_failed (job, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED,
+ _("Filesystem is read-only"));
+ return TRUE;
+ }
+
if (class->try_make_directory == NULL)
return FALSE;
diff --git a/daemon/gvfsjobmakesymlink.c b/daemon/gvfsjobmakesymlink.c
index 2c55e26b..2684b6fd 100644
--- a/daemon/gvfsjobmakesymlink.c
+++ b/daemon/gvfsjobmakesymlink.c
@@ -124,6 +124,13 @@ try (GVfsJob *job)
GVfsJobMakeSymlink *op_job = G_VFS_JOB_MAKE_SYMLINK (job);
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
+ if (g_vfs_backend_get_readonly_lockdown (op_job->backend))
+ {
+ g_vfs_job_failed (job, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED,
+ _("Filesystem is read-only"));
+ return TRUE;
+ }
+
if (class->try_make_symlink == NULL)
return FALSE;
diff --git a/daemon/gvfsjobmove.c b/daemon/gvfsjobmove.c
index cc4ad220..5903d17a 100644
--- a/daemon/gvfsjobmove.c
+++ b/daemon/gvfsjobmove.c
@@ -141,6 +141,13 @@ try (GVfsJob *job)
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
gboolean res;
+ if (g_vfs_backend_get_readonly_lockdown (op_job->backend))
+ {
+ g_vfs_job_failed (job, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED,
+ _("Filesystem is read-only"));
+ return TRUE;
+ }
+
if (class->try_move == NULL)
return FALSE;
diff --git a/daemon/gvfsjobopenforwrite.c b/daemon/gvfsjobopenforwrite.c
index 68eae532..60ce64f9 100644
--- a/daemon/gvfsjobopenforwrite.c
+++ b/daemon/gvfsjobopenforwrite.c
@@ -230,6 +230,13 @@ try (GVfsJob *job)
GVfsJobOpenForWrite *op_job = G_VFS_JOB_OPEN_FOR_WRITE (job);
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
+ if (g_vfs_backend_get_readonly_lockdown (op_job->backend))
+ {
+ g_vfs_job_failed (job, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED,
+ _("Filesystem is read-only"));
+ return TRUE;
+ }
+
if (op_job->mode == OPEN_FOR_WRITE_CREATE)
{
if (class->try_create == NULL)
diff --git a/daemon/gvfsjobpush.c b/daemon/gvfsjobpush.c
index d7e48d86..a8df73a8 100644
--- a/daemon/gvfsjobpush.c
+++ b/daemon/gvfsjobpush.c
@@ -146,6 +146,13 @@ try (GVfsJob *job)
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
gboolean res;
+ if (g_vfs_backend_get_readonly_lockdown (op_job->backend))
+ {
+ g_vfs_job_failed (job, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED,
+ _("Filesystem is read-only"));
+ return TRUE;
+ }
+
if (class->try_push == NULL)
return FALSE;
diff --git a/daemon/gvfsjobqueryfsinfo.c b/daemon/gvfsjobqueryfsinfo.c
index 898052ea..3363311a 100644
--- a/daemon/gvfsjobqueryfsinfo.c
+++ b/daemon/gvfsjobqueryfsinfo.c
@@ -147,15 +147,10 @@ create_reply (GVfsJob *job,
GDBusMethodInvocation *invocation)
{
GVfsJobQueryFsInfo *op_job = G_VFS_JOB_QUERY_FS_INFO (job);
- const char *type;
-
- type = g_vfs_backend_get_backend_type (op_job->backend);
-
- if (type)
- g_file_info_set_attribute_string (op_job->file_info,
- G_FILE_ATTRIBUTE_GVFS_BACKEND,
- type);
+ g_vfs_backend_add_auto_fs_info (op_job->backend,
+ op_job->attribute_matcher,
+ op_job->file_info);
g_file_info_set_attribute_mask (op_job->file_info,
op_job->attribute_matcher);
diff --git a/daemon/gvfsjobsetattribute.c b/daemon/gvfsjobsetattribute.c
index 1efe7c94..ac7618a4 100644
--- a/daemon/gvfsjobsetattribute.c
+++ b/daemon/gvfsjobsetattribute.c
@@ -146,6 +146,13 @@ try (GVfsJob *job)
GVfsJobSetAttribute *op_job = G_VFS_JOB_SET_ATTRIBUTE (job);
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
+ if (g_vfs_backend_get_readonly_lockdown (op_job->backend))
+ {
+ g_vfs_job_failed (job, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED,
+ _("Filesystem is read-only"));
+ return TRUE;
+ }
+
if (class->try_set_attribute == NULL)
return FALSE;
diff --git a/daemon/gvfsjobsetdisplayname.c b/daemon/gvfsjobsetdisplayname.c
index badb10dd..e12ae879 100644
--- a/daemon/gvfsjobsetdisplayname.c
+++ b/daemon/gvfsjobsetdisplayname.c
@@ -124,6 +124,13 @@ try (GVfsJob *job)
GVfsJobSetDisplayName *op_job = G_VFS_JOB_SET_DISPLAY_NAME (job);
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
+ if (g_vfs_backend_get_readonly_lockdown (op_job->backend))
+ {
+ g_vfs_job_failed (job, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED,
+ _("Filesystem is read-only"));
+ return TRUE;
+ }
+
if (class->try_set_display_name == NULL)
return FALSE;
diff --git a/daemon/gvfsjobtrash.c b/daemon/gvfsjobtrash.c
index 1738f8a2..5234ebf8 100644
--- a/daemon/gvfsjobtrash.c
+++ b/daemon/gvfsjobtrash.c
@@ -119,6 +119,13 @@ try (GVfsJob *job)
GVfsJobTrash *op_job = G_VFS_JOB_TRASH (job);
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
+ if (g_vfs_backend_get_readonly_lockdown (op_job->backend))
+ {
+ g_vfs_job_failed (job, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED,
+ _("Filesystem is read-only"));
+ return TRUE;
+ }
+
if (class->try_trash == NULL)
return FALSE;
--
2.21.0

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@ -0,0 +1,99 @@
From 396216f71abf6907efd1383ca0d1a597918cd83d Mon Sep 17 00:00:00 2001
From: Ondrej Holy <oholy@redhat.com>
Date: Thu, 11 Oct 2018 17:47:59 +0200
Subject: [PATCH] daemon: Prevent spawning new daemons if outgoing operation
exists
A new daemon is always spawned if MountLocation method (or LookupMount for
automounted) is called and the respective mount isn't registered yet. This
is not usually an issue, because the redundant daemons are consequently
terminated. However, this is a problem if mount operations hang for some reason.
This may happen e.g. with trash backend due to stale NFS mounts. Consequently,
new and new daemons are spawned which may lead to system failures due to lack
of system resources. See the following downstream bug report:
https://bugzilla.redhat.com/show_bug.cgi?id=1632960
Let's fix that behavior simply by preventing spawning of new daemons if
respective outgoing mount operations exist.
https://gitlab.gnome.org/GNOME/gvfs/merge_requests/19
---
daemon/mount.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/daemon/mount.c b/daemon/mount.c
index e242666d..33cae597 100644
--- a/daemon/mount.c
+++ b/daemon/mount.c
@@ -73,6 +73,7 @@ typedef void (*MountCallback) (VfsMountable *mountable,
static GList *mountables = NULL;
static GList *mounts = NULL;
+static GList *ongoing = NULL;
static gboolean fuse_available;
@@ -253,6 +254,7 @@ typedef struct {
char *obj_path;
gboolean spawned;
GVfsDBusSpawner *spawner;
+ GList *pending; /* MountData */
} MountData;
static void spawn_mount (MountData *data);
@@ -264,6 +266,7 @@ mount_data_free (MountData *data)
g_mount_spec_unref (data->mount_spec);
g_free (data->obj_path);
g_clear_object (&data->spawner);
+ g_list_free_full (data->pending, (GDestroyNotify) mount_data_free);
g_free (data);
}
@@ -271,7 +274,17 @@ mount_data_free (MountData *data)
static void
mount_finish (MountData *data, GError *error)
{
+ GList *l;
+
+ ongoing = g_list_remove (ongoing, data);
+
data->callback (data->mountable, error, data->user_data);
+ for (l = data->pending; l != NULL; l = l->next)
+ {
+ MountData *pending_data = l->data;
+ pending_data->callback (pending_data->mountable, error, pending_data->user_data);
+ }
+
mount_data_free (data);
}
@@ -493,6 +506,7 @@ mountable_mount (VfsMountable *mountable,
gpointer user_data)
{
MountData *data;
+ GList *l;
data = g_new0 (MountData, 1);
data->automount = automount;
@@ -502,6 +516,18 @@ mountable_mount (VfsMountable *mountable,
data->callback = callback;
data->user_data = user_data;
+ for (l = ongoing; l != NULL; l = l->next)
+ {
+ MountData *ongoing_data = l->data;
+ if (g_mount_spec_equal (ongoing_data->mount_spec, mount_spec))
+ {
+ ongoing_data->pending = g_list_append (ongoing_data->pending, data);
+ return;
+ }
+ }
+
+ ongoing = g_list_append (ongoing, data);
+
if (mountable->dbus_name == NULL)
spawn_mount (data);
else
--
2.20.1

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@ -0,0 +1,92 @@
From e3808a1b4042761055b1d975333a8243d67b8bfe Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@collabora.com>
Date: Wed, 5 Jun 2019 13:33:38 +0100
Subject: [PATCH] gvfsdaemon: Check that the connecting client is the same user
Otherwise, an attacker who learns the abstract socket address from
netstat(8) or similar could connect to it and issue D-Bus method
calls.
Signed-off-by: Simon McVittie <smcv@collabora.com>
---
daemon/gvfsdaemon.c | 36 +++++++++++++++++++++++++++++++++++-
1 file changed, 35 insertions(+), 1 deletion(-)
diff --git a/daemon/gvfsdaemon.c b/daemon/gvfsdaemon.c
index 406d4f8e..be148a7b 100644
--- a/daemon/gvfsdaemon.c
+++ b/daemon/gvfsdaemon.c
@@ -79,6 +79,7 @@ struct _GVfsDaemon
gint mount_counter;
+ GDBusAuthObserver *auth_observer;
GDBusConnection *conn;
GVfsDBusDaemon *daemon_skeleton;
GVfsDBusMountable *mountable_skeleton;
@@ -171,6 +172,8 @@ g_vfs_daemon_finalize (GObject *object)
}
if (daemon->conn != NULL)
g_object_unref (daemon->conn);
+ if (daemon->auth_observer != NULL)
+ g_object_unref (daemon->auth_observer);
g_hash_table_destroy (daemon->registered_paths);
g_hash_table_destroy (daemon->client_connections);
@@ -236,6 +239,35 @@ name_vanished_handler (GDBusConnection *connection,
daemon->lost_main_daemon = TRUE;
}
+/*
+ * Authentication observer signal handler that authorizes connections
+ * from the same uid as this process. This matches the behaviour of a
+ * libdbus DBusServer/DBusConnection when no DBusAllowUnixUserFunction
+ * has been set, but is not the default in GDBus.
+ */
+static gboolean
+authorize_authenticated_peer_cb (GDBusAuthObserver *observer,
+ G_GNUC_UNUSED GIOStream *stream,
+ GCredentials *credentials,
+ G_GNUC_UNUSED gpointer user_data)
+{
+ gboolean authorized = FALSE;
+
+ if (credentials != NULL)
+ {
+ GCredentials *own_credentials;
+
+ own_credentials = g_credentials_new ();
+
+ if (g_credentials_is_same_user (credentials, own_credentials, NULL))
+ authorized = TRUE;
+
+ g_object_unref (own_credentials);
+ }
+
+ return authorized;
+}
+
static void
g_vfs_daemon_init (GVfsDaemon *daemon)
{
@@ -265,6 +297,8 @@ g_vfs_daemon_init (GVfsDaemon *daemon)
daemon->conn = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
g_assert (daemon->conn != NULL);
+ daemon->auth_observer = g_dbus_auth_observer_new ();
+ g_signal_connect (daemon->auth_observer, "authorize-authenticated-peer", G_CALLBACK (authorize_authenticated_peer_cb), NULL);
daemon->daemon_skeleton = gvfs_dbus_daemon_skeleton_new ();
g_signal_connect (daemon->daemon_skeleton, "handle-get-connection", G_CALLBACK (handle_get_connection), daemon);
@@ -876,7 +910,7 @@ handle_get_connection (GVfsDBusDaemon *object,
server = g_dbus_server_new_sync (address1,
G_DBUS_SERVER_FLAGS_NONE,
guid,
- NULL, /* GDBusAuthObserver */
+ daemon->auth_observer,
NULL, /* GCancellable */
&error);
g_free (guid);
--
2.21.0

View File

@ -0,0 +1,89 @@
diff --git a/configure.ac b/configure.ac
index 3b5836ff..daeee728 100644
--- a/configure.ac
+++ b/configure.ac
@@ -546,6 +546,11 @@ if test "x$enable_samba" != "xno"; then
if test "x$msg_samba" = "xyes"; then
PKG_CHECK_MODULES([SAMBA], [smbclient])
AC_DEFINE([HAVE_SAMBA], 1, [Define to 1 if you have the samba libraries])
+
+ AC_CHECK_LIB(smbclient, smbc_setOptionProtocols,
+ AC_DEFINE(HAVE_SMBC_SETOPTIONPROTOCOLS, 1, [Define to 1 if smbc_setOptionProtocols() is available]),
+ []
+ )
fi
fi
diff --git a/daemon/gvfsbackendsmbbrowse.c b/daemon/gvfsbackendsmbbrowse.c
index f08d2988..3b11883e 100644
--- a/daemon/gvfsbackendsmbbrowse.c
+++ b/daemon/gvfsbackendsmbbrowse.c
@@ -45,6 +45,7 @@
#include "gvfskeyring.h"
#include "gmounttracker.h"
#include "gvfsbackendsmbprivate.h"
+#include "gvfsutils.h"
#include <libsmbclient.h>
@@ -847,6 +848,47 @@ do_mount (GVfsBackend *backend,
else
op_backend->server = g_strdup (op_backend->mounted_server);
+#ifdef HAVE_SMBC_SETOPTIONPROTOCOLS
+ /* Force NT1 protocol version if server can't be resolved (i.e. is not
+ * hostname, nor IP address). This is needed for workgroup support, because
+ * "client max protocol" has been changed from NT1 to SMB3 in recent samba
+ * versions.
+ */
+
+ if (op_backend->server != NULL)
+ {
+ GResolver *resolver;
+ GList *addresses;
+ GError *error = NULL;
+ gchar *server;
+
+ resolver = g_resolver_get_default ();
+
+ /* IPv6 server includes brackets in GMountSpec, GResolver doesn't */
+ if (gvfs_is_ipv6 (op_backend->server))
+ server = g_strndup (op_backend->server + 1, strlen (op_backend->server) - 2);
+ else
+ server = g_strdup (op_backend->server);
+
+ addresses = g_resolver_lookup_by_name (resolver, server, NULL, &error);
+ if (addresses == NULL)
+ {
+ if (error != NULL)
+ {
+ g_debug ("%s\n", error->message);
+ g_error_free (error);
+ }
+
+ g_debug ("Forcing NT1 protocol version\n");
+ smbc_setOptionProtocols (smb_context, "NT1", "NT1");
+ }
+
+ g_resolver_free_addresses (addresses);
+ g_object_unref (resolver);
+ g_free (server);
+ }
+#endif
+
icon = NULL;
symbolic_icon = NULL;
if (op_backend->server == NULL)
diff --git a/meson.build b/meson.build
index 34600188..3a876172 100644
--- a/meson.build
+++ b/meson.build
@@ -416,6 +416,8 @@ config_h.set10('HAVE_LIBUSB', enable_libusb)
enable_samba = get_option('smb')
if enable_samba
smbclient_dep = dependency('smbclient')
+
+ config_h.set('HAVE_SMBC_SETOPTIONPROTOCOLS', cc.has_function('smbc_setOptionProtocols', dependencies: smbclient_dep))
endif
# *** Check for libarchive ***

View File

@ -0,0 +1,128 @@
From 9fdd59cfda93b508e76770146a8295d0a26b175d Mon Sep 17 00:00:00 2001
From: Ondrej Holy <oholy@redhat.com>
Date: Tue, 14 May 2019 08:46:48 +0200
Subject: [PATCH 1/3] udisks2: Handle lockdown option to disable writing
Handle the new mount-removable-storage-devices-as-read-only option of
org.gnome.desktop.lockdown schema and mount removable devices as read-only
if enabled.
---
monitor/udisks2/gvfsudisks2volume.c | 8 +++++
monitor/udisks2/gvfsudisks2volumemonitor.c | 34 ++++++++++++++++++++++
monitor/udisks2/gvfsudisks2volumemonitor.h | 1 +
3 files changed, 43 insertions(+)
diff --git a/monitor/udisks2/gvfsudisks2volume.c b/monitor/udisks2/gvfsudisks2volume.c
index a509b5dd..b2545058 100644
--- a/monitor/udisks2/gvfsudisks2volume.c
+++ b/monitor/udisks2/gvfsudisks2volume.c
@@ -1093,6 +1093,7 @@ do_mount (GTask *task)
{
MountData *data = g_task_get_task_data (task);
GVariantBuilder builder;
+ GVfsUDisks2Volume *volume = g_task_get_source_object (task);
g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
if (data->mount_operation == NULL)
@@ -1101,6 +1102,13 @@ do_mount (GTask *task)
"{sv}",
"auth.no_user_interaction", g_variant_new_boolean (TRUE));
}
+ if (gvfs_udisks2_volume_monitor_get_readonly_lockdown (volume->monitor))
+ {
+ g_variant_builder_add (&builder,
+ "{sv}",
+ "options", g_variant_new_string ("ro"));
+
+ }
udisks_filesystem_call_mount (data->filesystem_to_mount,
g_variant_builder_end (&builder),
g_task_get_cancellable (task),
diff --git a/monitor/udisks2/gvfsudisks2volumemonitor.c b/monitor/udisks2/gvfsudisks2volumemonitor.c
index 0a5ce96e..37c81fcf 100644
--- a/monitor/udisks2/gvfsudisks2volumemonitor.c
+++ b/monitor/udisks2/gvfsudisks2volumemonitor.c
@@ -65,6 +65,9 @@ struct _GVfsUDisks2VolumeMonitor
/* we keep volumes/mounts for blank and audio discs separate to handle e.g. mixed discs properly */
GList *disc_volumes;
GList *disc_mounts;
+
+ GSettings *lockdown_settings;
+ gboolean readonly_lockdown;
};
static UDisksClient *get_udisks_client_sync (GError **error);
@@ -140,6 +143,8 @@ gvfs_udisks2_volume_monitor_finalize (GObject *object)
g_list_free_full (monitor->disc_volumes, g_object_unref);
g_list_free_full (monitor->disc_mounts, g_object_unref);
+ g_clear_object (&monitor->lockdown_settings);
+
G_OBJECT_CLASS (gvfs_udisks2_volume_monitor_parent_class)->finalize (object);
}
@@ -304,6 +309,17 @@ gvfs_udisks2_volume_monitor_constructor (GType type,
return ret;
}
+static void
+lockdown_settings_changed (GSettings *settings,
+ gchar *key,
+ gpointer user_data)
+{
+ GVfsUDisks2VolumeMonitor *monitor = GVFS_UDISKS2_VOLUME_MONITOR (user_data);
+
+ monitor->readonly_lockdown = g_settings_get_boolean (settings,
+ "mount-removable-storage-devices-as-read-only");
+}
+
static void
gvfs_udisks2_volume_monitor_init (GVfsUDisks2VolumeMonitor *monitor)
{
@@ -325,6 +341,15 @@ gvfs_udisks2_volume_monitor_init (GVfsUDisks2VolumeMonitor *monitor)
G_CALLBACK (mountpoints_changed),
monitor);
+ monitor->lockdown_settings = g_settings_new ("org.gnome.desktop.lockdown");
+ monitor->readonly_lockdown = g_settings_get_boolean (monitor->lockdown_settings,
+ "mount-removable-storage-devices-as-read-only");
+ g_signal_connect_object (monitor->lockdown_settings,
+ "changed",
+ G_CALLBACK (lockdown_settings_changed),
+ monitor,
+ 0);
+
update_all (monitor, FALSE, TRUE);
}
@@ -388,6 +413,15 @@ gvfs_udisks2_volume_monitor_get_gudev_client (GVfsUDisks2VolumeMonitor *monitor)
/* ---------------------------------------------------------------------------------------------------- */
+gboolean
+gvfs_udisks2_volume_monitor_get_readonly_lockdown (GVfsUDisks2VolumeMonitor *monitor)
+{
+ g_return_val_if_fail (GVFS_IS_UDISKS2_VOLUME_MONITOR (monitor), FALSE);
+ return monitor->readonly_lockdown;
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
void
gvfs_udisks2_volume_monitor_update (GVfsUDisks2VolumeMonitor *monitor)
{
diff --git a/monitor/udisks2/gvfsudisks2volumemonitor.h b/monitor/udisks2/gvfsudisks2volumemonitor.h
index 7f0215dc..751a0236 100644
--- a/monitor/udisks2/gvfsudisks2volumemonitor.h
+++ b/monitor/udisks2/gvfsudisks2volumemonitor.h
@@ -49,6 +49,7 @@ GVolumeMonitor *gvfs_udisks2_volume_monitor_new (void);
UDisksClient *gvfs_udisks2_volume_monitor_get_udisks_client (GVfsUDisks2VolumeMonitor *monitor);
void gvfs_udisks2_volume_monitor_update (GVfsUDisks2VolumeMonitor *monitor);
GUdevClient *gvfs_udisks2_volume_monitor_get_gudev_client (GVfsUDisks2VolumeMonitor *monitor);
+gboolean gvfs_udisks2_volume_monitor_get_readonly_lockdown (GVfsUDisks2VolumeMonitor *monitor);
G_END_DECLS
--
2.21.0

View File

@ -5,6 +5,7 @@
%global gettext_version 0.19.4 %global gettext_version 0.19.4
%global glib2_version 2.51.0 %global glib2_version 2.51.0
%global goa_version 3.17.1 %global goa_version 3.17.1
%global gsettings_desktop_schemas_version 3.28.1-2
%global gudev_version 147 %global gudev_version 147
%global libarchive_version 3.0.22 %global libarchive_version 3.0.22
%global libcdio_paranoia_version 0.78.2 %global libcdio_paranoia_version 0.78.2
@ -24,16 +25,29 @@
Name: gvfs Name: gvfs
Version: 1.36.2 Version: 1.36.2
Release: 2%{?dist}.1 Release: 6%{?dist}
Summary: Backends for the gio framework in GLib Summary: Backends for the gio framework in GLib
License: GPLv3 and LGPLv2+ and BSD and MPLv2.0 License: GPLv3 and LGPLv2+ and BSD and MPLv2.0
URL: https://wiki.gnome.org/Projects/gvfs URL: https://wiki.gnome.org/Projects/gvfs
Source0: https://download.gnome.org/sources/gvfs/1.36/gvfs-%{version}.tar.xz Source0: https://download.gnome.org/sources/gvfs/1.36/gvfs-%{version}.tar.xz
# https://bugzilla.redhat.com/show_bug.cgi?id=1690470 # https://bugzilla.redhat.com/show_bug.cgi?id=1673888
Patch0: admin-Prevent-access-if-any-authentication-agent-isn.patch Patch0: admin-Prevent-access-if-any-authentication-agent-isn.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1662193
Patch1: udisks2-Handle-lockdown-option-to-disable-writing.patch
Patch2: daemon-Handle-lockdown-option-to-disable-writing.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1729885
Patch3: gvfsdaemon-Check-that-the-connecting-client-is-the-s.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1739117
Patch4: daemon-Prevent-spawning-new-daemons-if-outgoing-oper.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1739116
Patch5: smbbrowse-Force-NT1-protocol-version-for-workgroup-s.patch
BuildRequires: pkgconfig BuildRequires: pkgconfig
BuildRequires: pkgconfig(glib-2.0) >= %{glib2_version} BuildRequires: pkgconfig(glib-2.0) >= %{glib2_version}
BuildRequires: pkgconfig(dbus-glib-1) BuildRequires: pkgconfig(dbus-glib-1)
@ -60,6 +74,7 @@ BuildRequires: libtool
Requires: %{name}-client%{?_isa} = %{version}-%{release} Requires: %{name}-client%{?_isa} = %{version}-%{release}
Requires: glib2%{?_isa} >= %{glib2_version} Requires: glib2%{?_isa} >= %{glib2_version}
Requires: udisks2 >= %{udisks2_version} Requires: udisks2 >= %{udisks2_version}
Requires: gsettings-desktop-schemas >= %{gsettings_desktop_schemas_version}
# for file triggers # for file triggers
Requires(post): desktop-file-utils >= 0.22-6 Requires(post): desktop-file-utils >= 0.22-6
@ -215,8 +230,7 @@ The gvfs-tests package contains tests that can be used to verify
the functionality of the installed gvfs package. the functionality of the installed gvfs package.
%prep %prep
%setup -q %autosetup -p1
%patch0 -p1 -b .admin-Prevent-access-if-any-authentication-agent-isn
autoreconf -fi autoreconf -fi
@ -409,8 +423,18 @@ killall -USR1 gvfsd >&/dev/null || :
%{_datadir}/installed-tests %{_datadir}/installed-tests
%changelog %changelog
* Mon Apr 01 2019 Ondrej Holy <oholy@redhat.com> - 1.36.2-2.1 * Fri Aug 09 2019 Ondrej Holy <oholy@redhat.com> - 1.36.2-6
- CVE-2019-3827: Prevent access if any authentication agent isn't available (#1690470) - Prevent spawning new daemons if outgoing operation exists (#1739117)
- Force NT1 protocol version for workgroup support (#1739116)
* Thu Aug 08 2019 Ondrej Holy <oholy@redhat.com> - 1.36.2-5
- CVE-2019-12795 Check that the connecting client is the same user (#1729885)
* Thu May 16 2019 Ondrej Holy <oholy@redhat.com> - 1.36.2-4
- Handle lockdown option to disable writing (#1662193)
* Mon Apr 01 2019 Ondrej Holy <oholy@redhat.com> - 1.36.2-3
- CVE-2019-3827: Prevent access if any authentication agent isn't available (#1673888)
* Fri Dec 14 2018 Ray Strode <rstrode@redhat.com> - 1.36.2-2 * Fri Dec 14 2018 Ray Strode <rstrode@redhat.com> - 1.36.2-2
- rebuild - rebuild