1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* 2 /*
3 * linux/init/version.c 3 * linux/init/version.c
4 * 4 *
5 * Copyright (C) 1992 Theodore Ts'o 5 * Copyright (C) 1992 Theodore Ts'o
6 * 6 *
7 * May be freely distributed as part of Linux 7 * May be freely distributed as part of Linux.
8 */ 8 */
9 9
10 #include <generated/compile.h> 10 #include <generated/compile.h>
11 #include <linux/build-salt.h> 11 #include <linux/build-salt.h>
12 #include <linux/elfnote-lto.h> 12 #include <linux/elfnote-lto.h>
13 #include <linux/export.h> 13 #include <linux/export.h>
14 #include <linux/init.h> 14 #include <linux/init.h>
15 #include <linux/printk.h> 15 #include <linux/printk.h>
16 #include <linux/uts.h> 16 #include <linux/uts.h>
17 #include <linux/utsname.h> 17 #include <linux/utsname.h>
>> 18 #include <generated/utsrelease.h>
>> 19 #include <linux/version.h>
18 #include <linux/proc_ns.h> 20 #include <linux/proc_ns.h>
19 21
>> 22 struct uts_namespace init_uts_ns = {
>> 23 .ns.count = REFCOUNT_INIT(2),
>> 24 .name = {
>> 25 .sysname = UTS_SYSNAME,
>> 26 .nodename = UTS_NODENAME,
>> 27 .release = UTS_RELEASE,
>> 28 .version = UTS_VERSION,
>> 29 .machine = UTS_MACHINE,
>> 30 .domainname = UTS_DOMAINNAME,
>> 31 },
>> 32 .user_ns = &init_user_ns,
>> 33 .ns.inum = PROC_UTS_INIT_INO,
>> 34 #ifdef CONFIG_UTS_NS
>> 35 .ns.ops = &utsns_operations,
>> 36 #endif
>> 37 };
>> 38 EXPORT_SYMBOL_GPL(init_uts_ns);
>> 39
20 static int __init early_hostname(char *arg) 40 static int __init early_hostname(char *arg)
21 { 41 {
22 size_t bufsize = sizeof(init_uts_ns.na 42 size_t bufsize = sizeof(init_uts_ns.name.nodename);
23 size_t maxlen = bufsize - 1; 43 size_t maxlen = bufsize - 1;
24 ssize_t arglen; !! 44 size_t arglen;
25 45
26 arglen = strscpy(init_uts_ns.name.node !! 46 arglen = strlcpy(init_uts_ns.name.nodename, arg, bufsize);
27 if (arglen < 0) { !! 47 if (arglen > maxlen) {
28 pr_warn("hostname parameter ex 48 pr_warn("hostname parameter exceeds %zd characters and will be truncated",
29 maxlen); 49 maxlen);
30 } 50 }
31 return 0; 51 return 0;
32 } 52 }
33 early_param("hostname", early_hostname); 53 early_param("hostname", early_hostname);
34 54
>> 55 /* FIXED STRINGS! Don't touch! */
>> 56 const char linux_banner[] =
>> 57 "Linux version " UTS_RELEASE " (" LINUX_COMPILE_BY "@"
>> 58 LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION "\n";
>> 59
35 const char linux_proc_banner[] = 60 const char linux_proc_banner[] =
36 "%s version %s" 61 "%s version %s"
37 " (" LINUX_COMPILE_BY "@" LINUX_COMPIL 62 " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ")"
38 " (" LINUX_COMPILER ") %s\n"; 63 " (" LINUX_COMPILER ") %s\n";
39 64
40 BUILD_SALT; 65 BUILD_SALT;
41 BUILD_LTO_INFO; 66 BUILD_LTO_INFO;
42 <<
43 /* <<
44 * init_uts_ns and linux_banner contain the bu <<
45 * which are really fixed at the very last ste <<
46 * They are compiled with __weak first, and wi <<
47 */ <<
48 <<
49 struct uts_namespace init_uts_ns __weak; <<
50 const char linux_banner[] __weak; <<
51 <<
52 #include "version-timestamp.c" <<
53 <<
54 EXPORT_SYMBOL_GPL(init_uts_ns); <<
55 67
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.