86 lines
3.1 KiB
Diff
86 lines
3.1 KiB
Diff
diff -Naur src/rpm.c.orig src/rpm.c
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--- src/rpm.c.orig 2014-02-09 16:26:24.000000000 +0100
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+++ src/rpm.c 2014-02-19 07:54:27.744136749 +0100
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@@ -23,8 +23,11 @@
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void xa_open_rpm (XArchive *archive)
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{
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+ unsigned char bytes[8];
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unsigned short int i;
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- int response;
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+ int dl,il,sigsize,offset,response;
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+ gchar *ibs,*executable;
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+ gchar *gzip_tmp = NULL;
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GSList *list = NULL;
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FILE *stream;
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gboolean result;
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@@ -53,14 +56,68 @@
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archive->column_types[i] = types[i];
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xa_create_liststore (archive,names);
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+ if (fseek ( stream, 104 , SEEK_CUR ) )
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+ {
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+ fclose (stream);
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+ 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));
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+ return;
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+ }
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+ if ( fread ( bytes, 1, 8, stream ) == 0 )
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+ {
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+ fclose ( stream );
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+ 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));
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+ return;
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+ }
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+ il = 256 * ( 256 * ( 256 * bytes[0] + bytes[1]) + bytes[2] ) + bytes[3];
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+ dl = 256 * ( 256 * ( 256 * bytes[4] + bytes[5]) + bytes[6] ) + bytes[7];
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+ sigsize = 8 + 16 * il + dl;
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+ offset = 104 + sigsize + ( 8 - ( sigsize % 8 ) ) % 8 + 8;
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+ if (fseek ( stream, offset , SEEK_SET ) )
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+ {
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+ fclose (stream);
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+ 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));
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+ return;
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+ }
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+ if ( fread ( bytes, 1, 8, stream ) == 0 )
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+ {
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+ fclose ( stream );
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+ 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));
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+ return;
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+ }
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+ il = 256 * ( 256 * ( 256 * bytes[0] + bytes[1]) + bytes[2] ) + bytes[3];
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+ dl = 256 * ( 256 * ( 256 * bytes[4] + bytes[5]) + bytes[6] ) + bytes[7];
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+ sigsize = 8 + 16 * il + dl;
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+ offset = offset + sigsize;
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+ fclose (stream);
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/* Create a unique temp dir in /tmp */
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result = xa_create_temp_directory (archive);
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if (!result)
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return;
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+ gzip_tmp = g_strconcat (archive->tmp,"/file.gz_bz",NULL);
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+ ibs = g_strdup_printf ( "%u" , offset );
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+
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/* Now I run dd to have the bzip2 / gzip compressed cpio archive in /tmp */
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- gchar *command = g_strconcat ( "sh -c \"rpm2cpio ",archive->escaped_path," > ",archive->tmp, "/file.cpio\"",NULL);
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+ gchar *command = g_strconcat ( "dd if=",archive->escaped_path," ibs=",ibs," skip=1 of=",gzip_tmp,NULL);
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+ g_free (ibs);
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+ list = g_slist_append(list,command);
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+ batch_mode = TRUE;
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+ result = xa_run_command (archive,list);
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+ if (result == FALSE)
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+ {
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+ g_free (gzip_tmp);
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+ return;
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+ }
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+ if (xa_detect_archive_type (gzip_tmp) == XARCHIVETYPE_GZIP)
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+ executable = "gzip -dc ";
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+ else if (xa_detect_archive_type (gzip_tmp) == XARCHIVETYPE_BZIP2)
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+ executable = "bzip2 -dc ";
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+ else
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+ executable = "xz -dc ";
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+
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+ command = g_strconcat("sh -c \"",executable,gzip_tmp," > ",archive->tmp,"/file.cpio\"",NULL);
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+ g_free(gzip_tmp);
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list = NULL;
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list = g_slist_append(list,command);
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result = xa_run_command (archive,list);
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