135 lines
3.2 KiB
C
135 lines
3.2 KiB
C
/*
|
|
* livepatch_main.c - kernel live patch main infrastructure
|
|
*
|
|
* Copyright (c) 2014 SUSE
|
|
* Author: Miroslav Benes <mbenes@suse.cz>
|
|
*
|
|
* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <linux/livepatch.h>
|
|
#include <linux/module.h>
|
|
#include <linux/types.h>
|
|
|
|
#include "uname_patch/livepatch_uname.h"
|
|
|
|
/* Auto expanded KLP_PATCHES_INCLUDES: */
|
|
#include "bsc1248631/livepatch_bsc1248631.h"
|
|
#include "bsc1249534/livepatch_bsc1249534.h"
|
|
#include "bsc1249537/livepatch_bsc1249537.h"
|
|
|
|
|
|
static struct klp_object objs[] = {
|
|
/* Auto expanded KLP_PATCHES_OBJS: */
|
|
{
|
|
.name = NULL,
|
|
.funcs = (struct klp_func[]) {
|
|
{
|
|
.old_name = __stringify(KLP_SYSCALL_SYM(newuname)),
|
|
.new_func = KLP_SYSCALL_SYM(klp_newuname),
|
|
},
|
|
#ifdef KLP_ARCH_HAS_SYSCALL_COMPAT_STUBS
|
|
{
|
|
.old_name = __stringify(KLP_SYSCALL_COMPAT_STUB_SYM(newuname)),
|
|
.new_func = KLP_SYSCALL_COMPAT_STUB_SYM(klp_newuname),
|
|
},
|
|
#endif
|
|
{ }
|
|
}
|
|
},
|
|
#if IS_ENABLED(CONFIG_ICE)
|
|
{
|
|
.name = "ice",
|
|
.funcs = (struct klp_func[]) {
|
|
{ .old_name = __stringify(ice_copy_and_init_pkg), .new_func = klpp_ice_copy_and_init_pkg, },
|
|
{ }
|
|
}
|
|
},
|
|
#endif
|
|
{
|
|
.name = "nf_tables",
|
|
.funcs = (struct klp_func[]) {
|
|
{ .old_name = __stringify(nf_tables_newchain), .new_func = klpp_nf_tables_newchain, },
|
|
{ .old_name = __stringify(nf_tables_newflowtable), .new_func = klpp_nf_tables_newflowtable, },
|
|
{ }
|
|
}
|
|
},
|
|
{
|
|
.name = "tls",
|
|
.funcs = (struct klp_func[]) {
|
|
{ .old_name = __stringify(tls_rx_rec_wait), .new_func = klpp_tls_rx_rec_wait, },
|
|
{ }
|
|
}
|
|
},
|
|
{ }
|
|
};
|
|
|
|
static struct klp_patch patch = {
|
|
.mod = THIS_MODULE,
|
|
.objs = objs,
|
|
.replace = true,
|
|
};
|
|
|
|
static int __init klp_patch_init(void)
|
|
{
|
|
int retval;
|
|
|
|
pr_info("livepatch: initializing\n");
|
|
|
|
/* Auto expanded KLP_PATCHES_INIT_CALLS: */
|
|
retval = livepatch_bsc1248631_init();
|
|
if (retval)
|
|
goto err_bsc1248631;
|
|
|
|
retval = livepatch_bsc1249534_init();
|
|
if (retval)
|
|
goto err_bsc1249534;
|
|
|
|
retval = livepatch_bsc1249537_init();
|
|
if (retval)
|
|
goto err_bsc1249537;
|
|
|
|
retval = klp_enable_patch(&patch);
|
|
if (!retval)
|
|
return retval;
|
|
|
|
/* Auto expanded KLP_PATCHES_INIT_ERR_HANDLERS: */
|
|
livepatch_bsc1249537_cleanup();
|
|
err_bsc1249537:
|
|
livepatch_bsc1249534_cleanup();
|
|
err_bsc1249534:
|
|
livepatch_bsc1248631_cleanup();
|
|
err_bsc1248631:
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void __exit klp_patch_cleanup(void)
|
|
{
|
|
pr_info("livepatch: removed\n");
|
|
|
|
/* Auto expanded KLP_PATCHES_CLEANUP_CALLS: */
|
|
livepatch_bsc1248631_cleanup();
|
|
livepatch_bsc1249534_cleanup();
|
|
livepatch_bsc1249537_cleanup();
|
|
|
|
}
|
|
|
|
module_init(klp_patch_init);
|
|
module_exit(klp_patch_cleanup);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_INFO(livepatch, "Y");
|
|
MODULE_INFO(klpgitrev, "4e337e9e93616c67e3f91aded54763a1b062ae9c");
|