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authorGlenn L McGrath <bug1@ihug.co.nz>2001-01-02 23:49:26 +0000
committerGlenn L McGrath <bug1@ihug.co.nz>2001-01-02 23:49:26 +0000
commit58a408512b6d0eb4b0966ee2476cabb3a669b8cd (patch)
tree53ef3160386f1627c958634d38e5391e896e5601 /archival/dpkg_deb.c
parent7541e3a812b0d6190b63bcc8327526d9cbef68e2 (diff)
downloadbusybox-w32-58a408512b6d0eb4b0966ee2476cabb3a669b8cd.tar.gz
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really add dpkg-deb.c this time
Diffstat (limited to 'archival/dpkg_deb.c')
-rw-r--r--archival/dpkg_deb.c159
1 files changed, 159 insertions, 0 deletions
diff --git a/archival/dpkg_deb.c b/archival/dpkg_deb.c
new file mode 100644
index 000000000..b20cc2695
--- /dev/null
+++ b/archival/dpkg_deb.c
@@ -0,0 +1,159 @@
1/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU Library General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
15 */
16
17#include <stdio.h>
18#include <stdlib.h>
19#include <fcntl.h>
20#include "busybox.h"
21
22typedef struct ar_headers_s {
23 char *name;
24 size_t size;
25 uid_t uid;
26 gid_t gid;
27 mode_t mode;
28 time_t mtime;
29 off_t offset;
30 struct ar_headers_s *next;
31} ar_headers_t;
32
33extern ar_headers_t get_headers(int srcFd);
34extern int tar_unzip_init(int tarFd);
35extern int readTarFile(int tarFd, int extractFlag, int listFlag,
36 int tostdoutFlag, int verboseFlag, char** extractList,
37 char** excludeList);
38
39extern int dpkg_deb_main(int argc, char **argv)
40{
41 const int dpkg_deb_contents = 1;
42 const int dpkg_deb_control = 2;
43 const int dpkg_deb_info = 4;
44 const int dpkg_deb_extract = 8;
45 const int dpkg_deb_verbose_extract = 16;
46 int opt=0;
47 int optflag=0;
48 int extract_flag = FALSE;
49 int list_flag = FALSE;
50 int verbose_flag = FALSE;
51 int extract_to_stdout = FALSE;
52 char ar_filename[15];
53 int srcFd=0;
54 int status=0;
55 ar_headers_t *ar_headers = NULL;
56 char **extract_list=NULL;
57 char *target_dir=NULL;
58
59 while ((opt = getopt(argc, argv, "cexX")) != -1) {
60 switch (opt) {
61 case 'c':
62 optflag |= dpkg_deb_contents;
63 break;
64 case 'e':
65 optflag |= dpkg_deb_control;
66 break;
67/* case 'I':
68 optflag |= dpkg_deb_info;
69 break;
70*/
71 case 'x':
72 optflag |= dpkg_deb_extract;
73 break;
74 case 'X':
75 optflag |= dpkg_deb_verbose_extract;
76 break;
77 default:
78 usage(dpkg_deb_usage);
79 return EXIT_FAILURE;
80 }
81 }
82
83 if (((optind + 1 ) > argc) || (optflag == 0)) {
84 usage(dpkg_deb_usage);
85 return(EXIT_FAILURE);
86 }
87
88 if (optflag & dpkg_deb_contents) {
89 list_flag = TRUE;
90 verbose_flag = TRUE;
91 strcpy(ar_filename, "data.tar.gz");
92 }
93 else if (optflag & dpkg_deb_control) {
94 extract_flag = TRUE;
95 strcpy(ar_filename, "control.tar.gz");
96 if ( (optind + 1) == argc ) {
97 target_dir = (char *) xmalloc(7);
98 strcpy(target_dir, "DEBIAN");
99 }
100 else {
101 target_dir = (char *) xmalloc(strlen(argv[optind+1]));
102
103 strcpy(target_dir, argv[optind+1]);
104 }
105 }
106/* else if (optflag & dpkg_deb_info) {
107 extract_flag = TRUE;
108 extract_to_stdout = TRUE;
109 strcpy(ar_filename, "control.tar.gz");
110 extract_list = argv+optind+1;
111 printf("list one is [%s]\n",extract_list[0]);
112 }
113*/
114 else if (optflag & dpkg_deb_extract) {
115 extract_flag = TRUE;
116 strcpy(ar_filename, "data.tar.gz");
117 if ( (optind + 2) > argc ) {
118 error_msg_and_die("No directory specified\n");
119 }
120 target_dir = (char *) xmalloc(strlen(argv[optind+1]));
121 strcpy(target_dir, argv[optind+1]);
122 }
123 else if (optflag & dpkg_deb_verbose_extract) {
124 extract_flag = TRUE;
125 list_flag = TRUE;
126 strcpy(ar_filename, "data.tar.gz");
127 if ( (optind + 2) > argc ) {
128 error_msg_and_die("No directory specified\n");
129 }
130 target_dir = (char *) xmalloc(strlen(argv[optind+1]));
131 strcpy(target_dir, argv[optind+1]);
132 }
133
134 ar_headers = (ar_headers_t *) xmalloc(sizeof(ar_headers_t));
135 srcFd = open(argv[optind], O_RDONLY);
136
137 *ar_headers = get_headers(srcFd);
138 if (ar_headers->next==NULL)
139 error_msg_and_die("Couldnt find %s in %s\n",ar_filename, argv[optind]);
140
141 while (ar_headers->next != NULL) {
142 if (strcmp(ar_headers->name, ar_filename)==0)
143 break;
144 ar_headers = ar_headers->next;
145 }
146
147 lseek(srcFd, ar_headers->offset, SEEK_SET);
148 srcFd = tar_unzip_init(srcFd);
149 if ( target_dir != NULL) {
150 if (is_directory(target_dir, TRUE, NULL)==FALSE) {
151 mkdir(target_dir, 0755);
152 }
153 if (chdir(target_dir)==-1) {
154 error_msg_and_die("Cannot change to dir %s\n",argv[optind+1]);
155 }
156 }
157 status = readTarFile(srcFd, extract_flag, list_flag, extract_to_stdout, verbose_flag, NULL, extract_list);
158 return(EXIT_SUCCESS);
159}
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