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
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
/* filemode.c -- make a string describing file modes
Copyright (C) 1985-2015 Free Software Foundation, Inc.
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 3, 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, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
#include "sysdep.h"
#include "bfd.h"
#include "bucomm.h"
static char ftypelet (unsigned long);
static void setst (unsigned long, char *);
/* filemodestring - fill in string STR with an ls-style ASCII
representation of the st_mode field of file stats block STATP.
10 characters are stored in STR; no terminating null is added.
The characters stored in STR are:
0 File type. 'd' for directory, 'c' for character
special, 'b' for block special, 'm' for multiplex,
'l' for symbolic link, 's' for socket, 'p' for fifo,
'-' for any other file type
1 'r' if the owner may read, '-' otherwise.
2 'w' if the owner may write, '-' otherwise.
3 'x' if the owner may execute, 's' if the file is
set-user-id, '-' otherwise.
'S' if the file is set-user-id, but the execute
bit isn't set.
4 'r' if group members may read, '-' otherwise.
5 'w' if group members may write, '-' otherwise.
6 'x' if group members may execute, 's' if the file is
set-group-id, '-' otherwise.
'S' if it is set-group-id but not executable.
7 'r' if any user may read, '-' otherwise.
8 'w' if any user may write, '-' otherwise.
9 'x' if any user may execute, 't' if the file is "sticky"
(will be retained in swap space after execution), '-'
otherwise.
'T' if the file is sticky but not executable. */
/* Get definitions for the file permission bits. */
#ifndef S_IRWXU
#define S_IRWXU 0700
#endif
#ifndef S_IRUSR
#define S_IRUSR 0400
#endif
#ifndef S_IWUSR
#define S_IWUSR 0200
#endif
#ifndef S_IXUSR
#define S_IXUSR 0100
#endif
#ifndef S_IRWXG
#define S_IRWXG 0070
#endif
#ifndef S_IRGRP
#define S_IRGRP 0040
#endif
#ifndef S_IWGRP
#define S_IWGRP 0020
#endif
#ifndef S_IXGRP
#define S_IXGRP 0010
#endif
#ifndef S_IRWXO
#define S_IRWXO 0007
#endif
#ifndef S_IROTH
#define S_IROTH 0004
#endif
#ifndef S_IWOTH
#define S_IWOTH 0002
#endif
#ifndef S_IXOTH
#define S_IXOTH 0001
#endif
/* Like filemodestring, but only the relevant part of the `struct stat'
is given as an argument. */
void
mode_string (unsigned long mode, char *str)
{
str[0] = ftypelet ((unsigned long) mode);
str[1] = (mode & S_IRUSR) != 0 ? 'r' : '-';
str[2] = (mode & S_IWUSR) != 0 ? 'w' : '-';
str[3] = (mode & S_IXUSR) != 0 ? 'x' : '-';
str[4] = (mode & S_IRGRP) != 0 ? 'r' : '-';
str[5] = (mode & S_IWGRP) != 0 ? 'w' : '-';
str[6] = (mode & S_IXGRP) != 0 ? 'x' : '-';
str[7] = (mode & S_IROTH) != 0 ? 'r' : '-';
str[8] = (mode & S_IWOTH) != 0 ? 'w' : '-';
str[9] = (mode & S_IXOTH) != 0 ? 'x' : '-';
setst ((unsigned long) mode, str);
}
/* Return a character indicating the type of file described by
file mode BITS:
'd' for directories
'b' for block special files
'c' for character special files
'm' for multiplexer files
'l' for symbolic links
's' for sockets
'p' for fifos
'-' for any other file type. */
#ifndef S_ISDIR
#ifdef S_IFDIR
#define S_ISDIR(i) (((i) & S_IFMT) == S_IFDIR)
#else /* ! defined (S_IFDIR) */
#define S_ISDIR(i) (((i) & 0170000) == 040000)
#endif /* ! defined (S_IFDIR) */
#endif /* ! defined (S_ISDIR) */
#ifndef S_ISBLK
#ifdef S_IFBLK
#define S_ISBLK(i) (((i) & S_IFMT) == S_IFBLK)
#else /* ! defined (S_IFBLK) */
#define S_ISBLK(i) 0
#endif /* ! defined (S_IFBLK) */
#endif /* ! defined (S_ISBLK) */
#ifndef S_ISCHR
#ifdef S_IFCHR
#define S_ISCHR(i) (((i) & S_IFMT) == S_IFCHR)
#else /* ! defined (S_IFCHR) */
#define S_ISCHR(i) 0
#endif /* ! defined (S_IFCHR) */
#endif /* ! defined (S_ISCHR) */
#ifndef S_ISFIFO
#ifdef S_IFIFO
#define S_ISFIFO(i) (((i) & S_IFMT) == S_IFIFO)
#else /* ! defined (S_IFIFO) */
#define S_ISFIFO(i) 0
#endif /* ! defined (S_IFIFO) */
#endif /* ! defined (S_ISFIFO) */
#ifndef S_ISSOCK
#ifdef S_IFSOCK
#define S_ISSOCK(i) (((i) & S_IFMT) == S_IFSOCK)
#else /* ! defined (S_IFSOCK) */
#define S_ISSOCK(i) 0
#endif /* ! defined (S_IFSOCK) */
#endif /* ! defined (S_ISSOCK) */
#ifndef S_ISLNK
#ifdef S_IFLNK
#define S_ISLNK(i) (((i) & S_IFMT) == S_IFLNK)
#else /* ! defined (S_IFLNK) */
#define S_ISLNK(i) 0
#endif /* ! defined (S_IFLNK) */
#endif /* ! defined (S_ISLNK) */
static char
ftypelet (unsigned long bits)
{
if (S_ISDIR (bits))
return 'd';
if (S_ISLNK (bits))
return 'l';
if (S_ISBLK (bits))
return 'b';
if (S_ISCHR (bits))
return 'c';
if (S_ISSOCK (bits))
return 's';
if (S_ISFIFO (bits))
return 'p';
#ifdef S_IFMT
#ifdef S_IFMPC
if ((bits & S_IFMT) == S_IFMPC
|| (bits & S_IFMT) == S_IFMPB)
return 'm';
#endif
#ifdef S_IFNWK
if ((bits & S_IFMT) == S_IFNWK)
return 'n';
#endif
#endif
return '-';
}
/* Set the 's' and 't' flags in file attributes string CHARS,
according to the file mode BITS. */
static void
setst (unsigned long bits ATTRIBUTE_UNUSED, char *chars ATTRIBUTE_UNUSED)
{
#ifdef S_ISUID
if (bits & S_ISUID)
{
if (chars[3] != 'x')
/* Set-uid, but not executable by owner. */
chars[3] = 'S';
else
chars[3] = 's';
}
#endif
#ifdef S_ISGID
if (bits & S_ISGID)
{
if (chars[6] != 'x')
/* Set-gid, but not executable by group. */
chars[6] = 'S';
else
chars[6] = 's';
}
#endif
#ifdef S_ISVTX
if (bits & S_ISVTX)
{
if (chars[9] != 'x')
/* Sticky, but not executable by others. */
chars[9] = 'T';
else
chars[9] = 't';
}
#endif
}
|
GitWeb