1 files changed, 130 insertions, 0 deletions
diff --git a/release/src/router/busybox/dpkg_deb.c b/release/src/router/busybox/dpkg_deb.c
new file mode 100644
index 00000000..a933c694
--- /dev/null
+++ b/release/src/router/busybox/dpkg_deb.c
@@ -0,0 +1,130 @@
+/*
+ *  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 *prefix = NULL;
+	char *filename = NULL;
+	char *output_buffer = NULL;
+	int opt = 0;
+	int arg_type = 0;
+	int deb_extract_funct = extract_create_leading_dirs | extract_unconditional;	
+	
+	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':
+				deb_extract_funct |= extract_data_tar_gz;
+				deb_extract_funct |= extract_verbose_list;
+				break;
+			case 'e':
+				arg_type = arg_type_prefix;
+				deb_extract_funct |= extract_control_tar_gz;
+				deb_extract_funct |= extract_all_to_fs;
+				break;
+			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 '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 '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':
+				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 == argc)  {
+		show_usage();
+	}
+
+	/* 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 {
+			error_msg_and_die("-I currently requires a filename to be specified");
+		}
+	}
+
+	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;
+		char *name;
+		char *value;
+		int field_start = 0;
+
+		while (1) {
+			field_start += read_package_field(&output_buffer[field_start], &name, &value);
+			if (name == NULL) {
+				break;
+			}
+			if (strcmp(name, argv[optind + 1]) == 0) {
+				puts(value);
+			}
+			free(field);
+		}
+	}
+
+	return(EXIT_SUCCESS);
+}