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
|
/*
* 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 Library 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 <stdlib.h>
#include <string.h>
#include <getopt.h>
#include "busybox.h"
extern int dpkg_deb_main(int argc, char **argv)
{
char *argument = NULL;
char *output_buffer = NULL;
int opt = 0;
int optflag = 0;
while ((opt = getopt(argc, argv, "ceftXxI")) != -1) {
switch (opt) {
case 'c':
optflag |= extract_contents;
break;
case 'e':
optflag |= extract_control;
break;
case 'f':
optflag |= extract_field;
break;
case 't':
optflag |= extract_fsys_tarfile;
break;
case 'X':
optflag |= extract_verbose_extract;
break;
case 'x':
optflag |= extract_extract;
break;
case 'I':
optflag |= extract_info;
break;
default:
show_usage();
}
}
if (optind == argc) {
show_usage();
}
switch (optflag) {
case (extract_control):
case (extract_extract):
case (extract_verbose_extract):
/* argument is a dir name */
if ( (optind + 1) == argc ) {
argument = xstrdup("DEBIAN");
} else {
argument = xstrdup(argv[optind + 1]);
}
break;
case (extract_field):
/* argument is a control field name */
if ((optind + 1) != argc) {
argument = xstrdup(argv[optind + 1]);
}
break;
case (extract_info):
/* argument is a control field name */
if ((optind + 1) != argc) {
argument = xstrdup(argv[optind + 1]);
break;
} else {
error_msg("-I currently requires a filename to be specifies");
return(EXIT_FAILURE);
}
/* argument is a filename */
default:
}
output_buffer = deb_extract(argv[optind], optflag, argument, NULL);
if (optflag & extract_field) {
char *field = NULL;
int field_length = 0;
int field_start = 0;
while ((field = read_package_field(&output_buffer[field_start])) != NULL) {
field_length = strlen(field);
field_start += (field_length + 1);
if (strstr(field, argument) == field) {
puts(field + strlen(argument) + 2);
}
free(field);
}
}
return(EXIT_SUCCESS);
}
|
