1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/* vi: set sw=4 ts=4: */
/* uname -- print system information
* Copyright (C) 1989-1999 Free Software Foundation, Inc.
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
/* BB_AUDIT SUSv3 compliant */
/* http://www.opengroup.org/onlinepubs/007904975/utilities/uname.html */
/* Option Example
* -s, --sysname SunOS
* -n, --nodename rocky8
* -r, --release 4.0
* -v, --version
* -m, --machine sun
* -a, --all SunOS rocky8 4.0 sun
*
* The default behavior is equivalent to '-s'.
*
* David MacKenzie <djm@gnu.ai.mit.edu>
*
* GNU coreutils 6.10:
* Option: struct Example(s):
* utsname
* field:
* -s, --kernel-name sysname Linux
* -n, --nodename nodename localhost.localdomain
* -r, --kernel-release release 2.6.29
* -v, --kernel-version version #1 SMP Sun Jan 11 20:52:37 EST 2009
* -m, --machine machine x86_64 i686
* -p, --processor (none) x86_64 i686
* -i, --hardware-platform (none) x86_64 i386
* NB: vanilla coreutils reports "unknown" -p and -i,
* x86_64 and i686/i386 shown above are Fedora's inventions.
* -o, --operating-system (none) GNU/Linux
* -a, --all: all of the above, in the order shown.
* If -p or -i is not known, don't show them
*/
/* Busyboxed by Erik Andersen
*
* Before 2003: Glenn McGrath and Manuel Novoa III
* Further size reductions.
* Mar 16, 2003: Manuel Novoa III (mjn3@codepoet.org)
* Now does proper error checking on i/o. Plus some further space savings.
* Jan 2009:
* Fix handling of -a to not print "unknown", add -o and -i support.
*/
//usage:#define uname_trivial_usage
//usage: "[-amnrspvio]"
//usage:#define uname_full_usage "\n\n"
//usage: "Print system information\n"
//usage: "\n -a Print all"
//usage: "\n -m The machine (hardware) type"
//usage: "\n -n Hostname"
//usage: "\n -r Kernel release"
//usage: "\n -s Kernel name (default)"
//usage: "\n -p Processor type"
//usage: "\n -v Kernel version"
//usage: "\n -i The hardware platform"
//usage: "\n -o OS name"
//usage:
//usage:#define uname_example_usage
//usage: "$ uname -a\n"
//usage: "Linux debian 2.4.23 #2 Tue Dec 23 17:09:10 MST 2003 i686 GNU/Linux\n"
#include "libbb.h"
/* After libbb.h, since it needs sys/types.h on some systems */
#include <sys/utsname.h>
typedef struct {
struct utsname name;
char processor[sizeof(((struct utsname*)NULL)->machine)];
char platform[sizeof(((struct utsname*)NULL)->machine)];
char os[sizeof(CONFIG_UNAME_OSNAME)];
} uname_info_t;
static const char options[] ALIGN1 = "snrvmpioa";
static const unsigned short utsname_offset[] = {
offsetof(uname_info_t, name.sysname), /* -s */
offsetof(uname_info_t, name.nodename), /* -n */
offsetof(uname_info_t, name.release), /* -r */
offsetof(uname_info_t, name.version), /* -v */
offsetof(uname_info_t, name.machine), /* -m */
offsetof(uname_info_t, processor), /* -p */
offsetof(uname_info_t, platform), /* -i */
offsetof(uname_info_t, os), /* -o */
};
int uname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int uname_main(int argc UNUSED_PARAM, char **argv)
{
#if ENABLE_LONG_OPTS
static const char uname_longopts[] ALIGN1 =
/* name, has_arg, val */
"all\0" No_argument "a"
"kernel-name\0" No_argument "s"
"nodename\0" No_argument "n"
"kernel-release\0" No_argument "r"
"release\0" No_argument "r"
"kernel-version\0" No_argument "v"
"machine\0" No_argument "m"
"processor\0" No_argument "p"
"hardware-platform\0" No_argument "i"
"operating-system\0" No_argument "o"
;
#endif
uname_info_t uname_info;
#if defined(__sparc__) && defined(__linux__)
char *fake_sparc = getenv("FAKE_SPARC");
#endif
const char *unknown_str = "unknown";
const char *fmt;
const unsigned short *delta;
unsigned toprint;
IF_LONG_OPTS(applet_long_options = uname_longopts);
toprint = getopt32(argv, options);
if (argv[optind]) { /* coreutils-6.9 compat */
bb_show_usage();
}
if (toprint & (1 << 8)) { /* -a => all opts on */
toprint = (1 << 8) - 1;
unknown_str = ""; /* -a does not print unknown fields */
}
if (toprint == 0) { /* no opts => -s (sysname) */
toprint = 1;
}
uname(&uname_info.name); /* never fails */
#if defined(__sparc__) && defined(__linux__)
if (fake_sparc && (fake_sparc[0] | 0x20) == 'y') {
strcpy(uname_info.name.machine, "sparc");
}
#endif
strcpy(uname_info.processor, unknown_str);
strcpy(uname_info.platform, unknown_str);
strcpy(uname_info.os, CONFIG_UNAME_OSNAME);
#if 0
/* Fedora does something like this */
strcpy(uname_info.processor, uname_info.name.machine);
strcpy(uname_info.platform, uname_info.name.machine);
if (uname_info.platform[0] == 'i'
&& uname_info.platform[1]
&& uname_info.platform[2] == '8'
&& uname_info.platform[3] == '6'
) {
uname_info.platform[1] = '3';
}
#endif
delta = utsname_offset;
fmt = " %s" + 1;
do {
if (toprint & 1) {
const char *p = (char *)(&uname_info) + *delta;
if (p[0]) {
printf(fmt, p);
fmt = " %s";
}
}
++delta;
} while (toprint >>= 1);
bb_putchar('\n');
fflush_stdout_and_exit(EXIT_SUCCESS); /* coreutils-6.9 compat */
}
|
