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
|
/* vi: set sw=4 ts=4: */
/*
* Mini find implementation for busybox
*
* Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
* Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
*
* Reworked by David Douthitt <n9ubh@callsign.net> and
* Matt Kraai <kraai@alumni.carnegiemellon.edu>.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <unistd.h>
#include <dirent.h>
#include <string.h>
#include <stdlib.h>
#include <fnmatch.h>
#include <time.h>
#include <ctype.h>
#include "busybox.h"
static char *pattern;
#ifdef CONFIG_FEATURE_FIND_TYPE
static int type_mask = 0;
#endif
#ifdef CONFIG_FEATURE_FIND_PERM
static char perm_char = 0;
static int perm_mask = 0;
#endif
#ifdef CONFIG_FEATURE_FIND_MTIME
static char mtime_char;
static int mtime_days;
#endif
#ifdef CONFIG_FEATURE_FIND_XDEV
static dev_t *xdev_dev;
static int xdev_count = 0;
#endif
static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
if (pattern != NULL) {
const char *tmp = strrchr(fileName, '/');
if (tmp == NULL)
tmp = fileName;
else
tmp++;
if (!(fnmatch(pattern, tmp, FNM_PERIOD) == 0))
goto no_match;
}
#ifdef CONFIG_FEATURE_FIND_TYPE
if (type_mask != 0) {
if (!((statbuf->st_mode & S_IFMT) == type_mask))
goto no_match;
}
#endif
#ifdef CONFIG_FEATURE_FIND_PERM
if (perm_mask != 0) {
if (!((isdigit(perm_char) && (statbuf->st_mode & 07777) == perm_mask) ||
(perm_char == '-' && (statbuf->st_mode & perm_mask) == perm_mask) ||
(perm_char == '+' && (statbuf->st_mode & perm_mask) != 0)))
goto no_match;
}
#endif
#ifdef CONFIG_FEATURE_FIND_MTIME
if (mtime_days != 0) {
time_t file_age = time(NULL) - statbuf->st_mtime;
time_t mtime_secs = mtime_days * 24 * 60 * 60;
if (!((isdigit(mtime_char) && mtime_secs >= file_age &&
mtime_secs < file_age + 24 * 60 * 60) ||
(mtime_char == '+' && mtime_secs >= file_age) ||
(mtime_char == '-' && mtime_secs < file_age)))
goto no_match;
}
#endif
#ifdef CONFIG_FEATURE_FIND_XDEV
if (xdev_count) {
int i;
for (i=0; i<xdev_count; i++) {
if (xdev_dev[i] == statbuf-> st_dev)
break;
}
if (i == xdev_count) {
if(S_ISDIR(statbuf->st_mode))
return SKIP;
else
goto no_match;
}
}
#endif
puts(fileName);
no_match:
return (TRUE);
}
#ifdef CONFIG_FEATURE_FIND_TYPE
static int find_type(char *type)
{
int mask = 0;
switch (type[0]) {
case 'b':
mask = S_IFBLK;
break;
case 'c':
mask = S_IFCHR;
break;
case 'd':
mask = S_IFDIR;
break;
case 'p':
mask = S_IFIFO;
break;
case 'f':
mask = S_IFREG;
break;
case 'l':
mask = S_IFLNK;
break;
case 's':
mask = S_IFSOCK;
break;
}
if (mask == 0 || type[1] != '\0')
error_msg_and_die("invalid argument `%s' to `-type'", type);
return mask;
}
#endif
int find_main(int argc, char **argv)
{
int dereference = FALSE;
int i, firstopt, status = EXIT_SUCCESS;
for (firstopt = 1; firstopt < argc; firstopt++) {
if (argv[firstopt][0] == '-')
break;
}
/* Parse any options */
for (i = firstopt; i < argc; i++) {
if (strcmp(argv[i], "-follow") == 0)
dereference = TRUE;
else if (strcmp(argv[i], "-print") == 0) {
;
}
else if (strcmp(argv[i], "-name") == 0) {
if (++i == argc)
error_msg_and_die("option `-name' requires an argument");
pattern = argv[i];
#ifdef CONFIG_FEATURE_FIND_TYPE
} else if (strcmp(argv[i], "-type") == 0) {
if (++i == argc)
error_msg_and_die("option `-type' requires an argument");
type_mask = find_type(argv[i]);
#endif
#ifdef CONFIG_FEATURE_FIND_PERM
} else if (strcmp(argv[i], "-perm") == 0) {
char *end;
if (++i == argc)
error_msg_and_die("option `-perm' requires an argument");
perm_mask = strtol(argv[i], &end, 8);
if (end[0] != '\0')
error_msg_and_die("invalid argument `%s' to `-perm'", argv[i]);
if (perm_mask > 07777)
error_msg_and_die("invalid argument `%s' to `-perm'", argv[i]);
if ((perm_char = argv[i][0]) == '-')
perm_mask = -perm_mask;
#endif
#ifdef CONFIG_FEATURE_FIND_MTIME
} else if (strcmp(argv[i], "-mtime") == 0) {
char *end;
if (++i == argc)
error_msg_and_die("option `-mtime' requires an argument");
mtime_days = strtol(argv[i], &end, 10);
if (end[0] != '\0')
error_msg_and_die("invalid argument `%s' to `-mtime'", argv[i]);
if ((mtime_char = argv[i][0]) == '-')
mtime_days = -mtime_days;
#endif
#ifdef CONFIG_FEATURE_FIND_XDEV
} else if (strcmp(argv[i], "-xdev") == 0) {
struct stat stbuf;
xdev_count = ( firstopt - 1 ) ? ( firstopt - 1 ) : 1;
xdev_dev = xmalloc ( xdev_count * sizeof( dev_t ));
if ( firstopt == 1 ) {
if ( stat ( ".", &stbuf ) < 0 )
error_msg_and_die("could not stat '.'" );
xdev_dev [0] = stbuf. st_dev;
}
else {
for (i = 1; i < firstopt; i++) {
if ( stat ( argv [i], &stbuf ) < 0 )
error_msg_and_die("could not stat '%s'", argv [i] );
xdev_dev [i-1] = stbuf. st_dev;
}
}
#endif
} else
show_usage();
}
if (firstopt == 1) {
if (! recursive_action(".", TRUE, dereference, FALSE, fileAction,
fileAction, NULL))
status = EXIT_FAILURE;
} else {
for (i = 1; i < firstopt; i++) {
if (! recursive_action(argv[i], TRUE, dereference, FALSE, fileAction,
fileAction, NULL))
status = EXIT_FAILURE;
}
}
return status;
}
|
