void-packages/srcpkgs/xarchiver/patches/fix-rpm-support.patch

87 lines
3.1 KiB
Diff

diff -Naur src/rpm.c.orig src/rpm.c
--- src/rpm.c.orig 2014-02-09 16:26:24.000000000 +0100
+++ src/rpm.c 2014-02-19 07:54:27.744136749 +0100
@@ -23,8 +23,11 @@
void xa_open_rpm (XArchive *archive)
{
+ unsigned char bytes[8];
unsigned short int i;
- int response;
+ int dl,il,sigsize,offset,response;
+ gchar *ibs,*executable;
+ gchar *gzip_tmp = NULL;
GSList *list = NULL;
FILE *stream;
gboolean result;
@@ -53,14 +56,68 @@
archive->column_types[i] = types[i];
xa_create_liststore (archive,names);
+ if (fseek ( stream, 104 , SEEK_CUR ) )
+ {
+ fclose (stream);
+ response = xa_show_message_dialog (GTK_WINDOW (xa_main_window),GTK_DIALOG_MODAL,GTK_MESSAGE_ERROR,GTK_BUTTONS_OK,_("Can't fseek to position 104:"),g_strerror(errno));
+ return;
+ }
+ if ( fread ( bytes, 1, 8, stream ) == 0 )
+ {
+ fclose ( stream );
+ response = xa_show_message_dialog (GTK_WINDOW (xa_main_window),GTK_DIALOG_MODAL,GTK_MESSAGE_ERROR,GTK_BUTTONS_OK,_("Can't read data from file:"),g_strerror(errno));
+ return;
+ }
+ il = 256 * ( 256 * ( 256 * bytes[0] + bytes[1]) + bytes[2] ) + bytes[3];
+ dl = 256 * ( 256 * ( 256 * bytes[4] + bytes[5]) + bytes[6] ) + bytes[7];
+ sigsize = 8 + 16 * il + dl;
+ offset = 104 + sigsize + ( 8 - ( sigsize % 8 ) ) % 8 + 8;
+ if (fseek ( stream, offset , SEEK_SET ) )
+ {
+ fclose (stream);
+ response = xa_show_message_dialog (GTK_WINDOW (xa_main_window),GTK_DIALOG_MODAL,GTK_MESSAGE_ERROR,GTK_BUTTONS_OK,_("Can't fseek in file:"),g_strerror(errno));
+ return;
+ }
+ if ( fread ( bytes, 1, 8, stream ) == 0 )
+ {
+ fclose ( stream );
+ response = xa_show_message_dialog (GTK_WINDOW (xa_main_window),GTK_DIALOG_MODAL,GTK_MESSAGE_ERROR,GTK_BUTTONS_OK,_("Can't read data from file:"),g_strerror(errno));
+ return;
+ }
+ il = 256 * ( 256 * ( 256 * bytes[0] + bytes[1]) + bytes[2] ) + bytes[3];
+ dl = 256 * ( 256 * ( 256 * bytes[4] + bytes[5]) + bytes[6] ) + bytes[7];
+ sigsize = 8 + 16 * il + dl;
+ offset = offset + sigsize;
+ fclose (stream);
/* Create a unique temp dir in /tmp */
result = xa_create_temp_directory (archive);
if (!result)
return;
+ gzip_tmp = g_strconcat (archive->tmp,"/file.gz_bz",NULL);
+ ibs = g_strdup_printf ( "%u" , offset );
+
/* Now I run dd to have the bzip2 / gzip compressed cpio archive in /tmp */
- gchar *command = g_strconcat ( "sh -c \"rpm2cpio ",archive->escaped_path," > ",archive->tmp, "/file.cpio\"",NULL);
+ gchar *command = g_strconcat ( "dd if=",archive->escaped_path," ibs=",ibs," skip=1 of=",gzip_tmp,NULL);
+ g_free (ibs);
+ list = g_slist_append(list,command);
+ batch_mode = TRUE;
+ result = xa_run_command (archive,list);
+ if (result == FALSE)
+ {
+ g_free (gzip_tmp);
+ return;
+ }
+ if (xa_detect_archive_type (gzip_tmp) == XARCHIVETYPE_GZIP)
+ executable = "gzip -dc ";
+ else if (xa_detect_archive_type (gzip_tmp) == XARCHIVETYPE_BZIP2)
+ executable = "bzip2 -dc ";
+ else
+ executable = "xz -dc ";
+
+ command = g_strconcat("sh -c \"",executable,gzip_tmp," > ",archive->tmp,"/file.cpio\"",NULL);
+ g_free(gzip_tmp);
list = NULL;
list = g_slist_append(list,command);
result = xa_run_command (archive,list);