emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Move deb_extract() to libbb, dpkg now independent of dpkg-deb

Browse Source
This commit is contained in:
Glenn L McGrath
2001-04-11 02:12:08 +00:00
parent 9d53c8ab74
commit d22e560ad6
8 changed files with 147 additions and 215 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
archival/dpkg.c
View File

@@ -31,7 +31,7 @@
#endif
/* from dpkg-deb.c */
extern int deb_extract(int optflags, const char *dir_name, const char *deb_filename);
static const int dpkg_deb_contents = 1;
static const int dpkg_deb_control = 2;
// const int dpkg_deb_info = 4;

109
archival/dpkg_deb.c
View File

@@ -14,113 +14,18 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* Merge this applet into dpkg when dpkg becomes more stable
*/
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <signal.h>
#include <getopt.h>
#include "busybox.h"
/* From gunzip.c */
extern int gz_open(FILE *compressed_file, int *pid);
extern void gz_close(int gunzip_pid);
extern int tar_unzip_init(int tarFd);
extern int readTarFile(int tarFd, int extractFlag, int listFlag,
int tostdoutFlag, int verboseFlag, char** extractList, char** excludeList);
static const int dpkg_deb_contents = 1;
static const int dpkg_deb_control = 2;
// const int dpkg_deb_info = 4;
static const int dpkg_deb_extract = 8;
static const int dpkg_deb_verbose_extract = 16;
static const int dpkg_deb_list = 32;
extern int deb_extract(int optflags, const char *dir_name, const char *deb_filename)
{
char **extract_list = NULL;
ar_headers_t *ar_headers = NULL;
char ar_filename[15];
int extract_flag = FALSE;
int list_flag = FALSE;
int verbose_flag = FALSE;
int extract_to_stdout = FALSE;
int srcFd = 0;
int status;
pid_t pid;
FILE *comp_file = NULL;
if (dpkg_deb_contents == (dpkg_deb_contents & optflags)) {
strcpy(ar_filename, "data.tar.gz");
verbose_flag = TRUE;
list_flag = TRUE;
}
if (dpkg_deb_list == (dpkg_deb_list & optflags)) {
strcpy(ar_filename, "data.tar.gz");
list_flag = TRUE;
}
if (dpkg_deb_control == (dpkg_deb_control & optflags)) {
strcpy(ar_filename, "control.tar.gz");
extract_flag = TRUE;
}
if (dpkg_deb_extract == (dpkg_deb_extract & optflags)) {
strcpy(ar_filename, "data.tar.gz");
extract_flag = TRUE;
}
if (dpkg_deb_verbose_extract == (dpkg_deb_verbose_extract & optflags)) {
strcpy(ar_filename, "data.tar.gz");
extract_flag = TRUE;
list_flag = TRUE;
}
ar_headers = (ar_headers_t *) xmalloc(sizeof(ar_headers_t));
srcFd = open(deb_filename, O_RDONLY);
*ar_headers = get_ar_headers(srcFd);
if (ar_headers->next == NULL) {
error_msg_and_die("Couldnt find %s in %s", ar_filename, deb_filename);
}
while (ar_headers->next != NULL) {
if (strcmp(ar_headers->name, ar_filename) == 0) {
break;
}
ar_headers = ar_headers->next;
}
lseek(srcFd, ar_headers->offset, SEEK_SET);
/* Uncompress the file */
comp_file = fdopen(srcFd, "r");
if ((srcFd = gz_open(comp_file, &pid)) == EXIT_FAILURE) {
error_msg_and_die("Couldnt unzip file");
}
if ( dir_name != NULL) {
if (is_directory(dir_name, TRUE, NULL)==FALSE) {
mkdir(dir_name, 0755);
}
if (chdir(dir_name)==-1) {
error_msg_and_die("Cannot change to dir %s", dir_name);
}
}
status = readTarFile(srcFd, extract_flag, list_flag,
extract_to_stdout, verbose_flag, NULL, extract_list);
/* we are deliberately terminating the child so we can safely ignore this */
signal(SIGTERM, SIG_IGN);
gz_close(pid);
close(srcFd);
fclose(comp_file);
return status;
}
extern int dpkg_deb_main(int argc, char **argv)
{
const int dpkg_deb_contents = 1;
const int dpkg_deb_control = 2;
// const int dpkg_deb_info = 4;
const int dpkg_deb_extract = 8;
const int dpkg_deb_verbose_extract = 16;
const int dpkg_deb_list = 32;
char *target_dir = NULL;
int opt = 0;
int optflag = 0;