*/
#include <stdlib.h>
+#include <string.h>
#include <getopt.h>
#include "busybox.h"
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;
+ char *prefix = NULL;
+ char *filename = NULL;
+ char *output_buffer = NULL;
int opt = 0;
- int optflag = 0;
+ int arg_type = 0;
+ int deb_extract_funct = extract_create_leading_dirs | extract_unconditional;
- while ((opt = getopt(argc, argv, "cexXl")) != -1) {
+ const int arg_type_prefix = 1;
+ const int arg_type_field = 2;
+ const int arg_type_filename = 4;
+// const int arg_type_un_ar_gz = 8;
+
+ while ((opt = getopt(argc, argv, "ceftXxI")) != -1) {
switch (opt) {
case 'c':
- optflag |= dpkg_deb_contents;
+ deb_extract_funct |= extract_data_tar_gz;
+ deb_extract_funct |= extract_verbose_list;
break;
case 'e':
- optflag |= dpkg_deb_control;
+ arg_type = arg_type_prefix;
+ deb_extract_funct |= extract_control_tar_gz;
+ deb_extract_funct |= extract_all_to_fs;
break;
- case 'X':
- optflag |= dpkg_deb_verbose_extract;
+ case 'f':
+ arg_type = arg_type_field;
+ deb_extract_funct |= extract_control_tar_gz;
+ deb_extract_funct |= extract_one_to_buffer;
+ filename = xstrdup("./control");
break;
- case 'x':
- optflag |= dpkg_deb_extract;
+ case 't': /* --fsys-tarfile, i just made up this short name */
+ /* Integrate the functionality needed with some code from ar.c */
+ error_msg_and_die("Option disabled");
+// arg_type = arg_type_un_ar_gz;
break;
- case 'l':
- optflag |= dpkg_deb_list;
+ case 'X':
+ arg_type = arg_type_prefix;
+ deb_extract_funct |= extract_data_tar_gz;
+ deb_extract_funct |= extract_all_to_fs;
+ deb_extract_funct |= extract_list;
+ case 'x':
+ arg_type = arg_type_prefix;
+ deb_extract_funct |= extract_data_tar_gz;
+ deb_extract_funct |= extract_all_to_fs;
break;
-/* case 'I':
- optflag |= dpkg_deb_info;
+ case 'I':
+ arg_type = arg_type_filename;
+ deb_extract_funct |= extract_control_tar_gz;
+ deb_extract_funct |= extract_one_to_buffer;
break;
-*/
default:
show_usage();
}
}
- if (((optind + 1 ) > argc) || (optflag == 0)) {
+ if (optind == argc) {
show_usage();
}
- if ((optflag & dpkg_deb_control) || (optflag & dpkg_deb_extract) || (optflag & dpkg_deb_verbose_extract)) {
- if ( (optind + 1) == argc ) {
- target_dir = (char *) xmalloc(7);
- strcpy(target_dir, "DEBIAN");
+
+ /* Workout where to extract the files */
+ if (arg_type == arg_type_prefix) {
+ /* argument is a dir name */
+ if ((optind + 1) == argc ) {
+ prefix = xstrdup("./DEBIAN/");
+ } else {
+ prefix = (char *) xmalloc(strlen(argv[optind + 1]) + 2);
+ strcpy(prefix, argv[optind + 1]);
+ /* Make sure the directory has a trailing '/' */
+ if (last_char_is(prefix, '/') == NULL) {
+ strcat(prefix, "/");
+ }
+ }
+ mkdir(prefix, 0777);
+ }
+
+ if (arg_type == arg_type_filename) {
+ if ((optind + 1) != argc) {
+ filename = xstrdup(argv[optind + 1]);
} else {
- target_dir = (char *) xmalloc(strlen(argv[optind + 1]));
- strcpy(target_dir, argv[optind + 1]);
+ error_msg_and_die("-I currently requires a filename to be specified");
}
}
- deb_extract(argv[optind], optflag, target_dir);
-/* else if (optflag & dpkg_deb_info) {
- extract_flag = TRUE;
- extract_to_stdout = TRUE;
- strcpy(ar_filename, "control.tar.gz");
- extract_list = argv+optind+1;
- printf("list one is [%s]\n",extract_list[0]);
+
+ output_buffer = deb_extract(argv[optind], stdout, deb_extract_funct, prefix, filename);
+
+ if ((arg_type == arg_type_filename) && (output_buffer != NULL)) {
+ puts(output_buffer);
+ }
+ else if (arg_type == arg_type_field) {
+ char *field = NULL;
+ int field_start = 0;
+
+ while ((field = read_package_field(&output_buffer[field_start])) != NULL) {
+ field_start += (strlen(field) + 1);
+ if (strstr(field, argv[optind + 1]) == field) {
+ puts(field + strlen(argv[optind + 1]) + 2);
+ }
+ free(field);
+ }
}
-*/
+
return(EXIT_SUCCESS);
}