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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/* 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.
*/
/* 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.
*/
//config:config UNAME
//config: bool "uname (3.7 kb)"
//config: default y
//config: help
//config: uname is used to print system information.
//config:
//config:config UNAME_OSNAME
//config: string "Operating system name"
//config: default "GNU/Linux"
//config: depends on UNAME
//config: help
//config: Sets the operating system name reported by uname -o. The
//config: default is "GNU/Linux".
//config:
//can't use "ARCH" for this applet, all hell breaks loose in build system :)
//config:config BB_ARCH
//config: bool "arch (1.6 kb)"
//config: default y
//config: help
//config: Same as uname -m.
//applet:IF_UNAME(APPLET(uname, BB_DIR_BIN, BB_SUID_DROP))
// APPLET_ODDNAME:name main location suid_type help
//applet:IF_BB_ARCH(APPLET_ODDNAME(arch, uname, BB_DIR_BIN, BB_SUID_DROP, arch))
//kbuild:lib-$(CONFIG_UNAME) += uname.o
//kbuild:lib-$(CONFIG_BB_ARCH) += uname.o
/* BB_AUDIT SUSv3 compliant */
/* http://www.opengroup.org/onlinepubs/007904975/utilities/uname.html */
//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"
//usage:#define arch_trivial_usage
//usage: ""
//usage:#define arch_full_usage "\n\n"
//usage: "Print system architecture"
#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;
#if ENABLE_UNAME
#define options "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 */
};
#endif
int uname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int uname_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
{
uname_info_t uname_info;
IF_UNAME(const char *unknown_str = "unknown";)
unsigned toprint;
toprint = (1 << 4); /* "arch" = "uname -m" */
#if ENABLE_UNAME
if (!ENABLE_BB_ARCH || applet_name[0] == 'u') {
# 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
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;
}
} /* if "uname" */
#endif
uname(&uname_info.name); /* never fails */
#if defined(__sparc__) && defined(__linux__)
{
char *fake_sparc = getenv("FAKE_SPARC");
if (fake_sparc && (fake_sparc[0] | 0x20) == 'y') {
strcpy(uname_info.name.machine, "sparc");
}
}
#endif
if (ENABLE_BB_ARCH && (!ENABLE_UNAME || applet_name[0] == 'a')) {
puts(uname_info.name.machine);
} else {
#if ENABLE_UNAME
/* "uname" */
const char *fmt;
const unsigned short *delta;
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');
#endif
}
fflush_stdout_and_exit(EXIT_SUCCESS); /* coreutils-6.9 compat */
}
|
