void xa_open_rpm (XArchive *archive)
{
unsigned short int i;
int response;
GSList *list = NULL;
FILE *stream;
gboolean result;
signal (SIGPIPE, SIG_IGN);
stream = fopen ( archive->path , "r" );
if (stream == NULL)
{
gchar *msg = g_strdup_printf (_("Can't open RPM file %s:") , archive->path);
response = xa_show_message_dialog (GTK_WINDOW (xa_main_window) , GTK_DIALOG_MODAL,GTK_MESSAGE_ERROR,GTK_BUTTONS_OK,
msg,g_strerror(errno));
g_free (msg);
return;
}
archive->can_extract = archive->has_properties = TRUE;
archive->can_add = archive->has_sfx = archive->has_test = FALSE;
archive->dummy_size = 0;
archive->nr_of_files = 0;
archive->nc = 8;
archive->format ="RPM";
char *names[]= {(_("Points to")),(_("Size")),(_("Permission")),(_("Date")),(_("Hard Link")),(_("Owner")),(_("Group")),NULL};
GType types[]= {GDK_TYPE_PIXBUF,G_TYPE_STRING,G_TYPE_STRING,G_TYPE_UINT64,G_TYPE_STRING,G_TYPE_STRING,G_TYPE_STRING,G_TYPE_STRING,G_TYPE_STRING,G_TYPE_POINTER};
archive->column_types = g_malloc0(sizeof(types));
for (i = 0; i < 10; i++)
archive->column_types[i] = types[i];
xa_create_liststore (archive,names);
/* Create a unique temp dir in /tmp */
result = xa_create_temp_directory (archive);
if (!result)
return;
/* 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);
list = NULL;
list = g_slist_append(list,command);
result = xa_run_command (archive,list);
if (result == FALSE)
{
gtk_widget_set_sensitive(Stop_button,FALSE);
xa_set_button_state (1,1,1,1,archive->can_add,archive->can_extract,0,archive->has_test,archive->has_properties,archive->has_passwd,0);
gtk_label_set_text(GTK_LABEL(total_label),"");
return;
}
/* And finally cpio to receive the content */
command = g_strconcat ("sh -c \"cpio -tv < ",archive->tmp,"/file.cpio\"",NULL);
archive->parse_output = xa_get_cpio_line_content;
xa_spawn_async_process (archive,command);
g_free(command);
}
static int xa_rpm2cpio (XArchive *archive)
{
unsigned char bytes[HDRSIG_ENTRY_INFO_LEN];
int datalen, entries;
long offset;
gchar *cpio_z, *ibs, *command, *executable;
GSList *list;
FILE *stream;
signal(SIGPIPE, SIG_IGN);
stream = fopen(archive->path, "r");
if (stream == NULL)
{
gchar *msg = g_strdup_printf(_("Can't open RPM file %s:"), archive->path);
xa_show_message_dialog(GTK_WINDOW(xa_main_window), GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, msg, g_strerror(errno));
g_free(msg);
return -1;
}
/* Signature section */
if (fseek(stream, SIGNATURE_START, SEEK_CUR) == -1)
{
fclose (stream);
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 -1;
}
if (fread(bytes, 1, HDRSIG_ENTRY_INFO_LEN, stream) != HDRSIG_ENTRY_INFO_LEN)
{
fclose ( stream );
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 -1;
}
entries = 256 * (256 * (256 * bytes[0] + bytes[1]) + bytes[2]) + bytes[3];
datalen = 256 * (256 * (256 * bytes[4] + bytes[5]) + bytes[6]) + bytes[7];
datalen += (16 - (datalen % 16)) % 16; // header section is aligned
offset = HDRSIG_ENTRY_INDEX_LEN * entries + datalen;
/* Header section */
if (fseek(stream, offset, SEEK_CUR))
{
fclose (stream);
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 -1;
}
if (fread(bytes, 1, HDRSIG_ENTRY_INFO_LEN, stream) != HDRSIG_ENTRY_INFO_LEN)
{
fclose ( stream );
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 -1;
}
entries = 256 * (256 * (256 * bytes[0] + bytes[1]) + bytes[2]) + bytes[3];
datalen = 256 * (256 * (256 * bytes[4] + bytes[5]) + bytes[6]) + bytes[7];
offset = HDRSIG_ENTRY_INDEX_LEN * entries + datalen;
offset += ftell(stream); // offset from top
fclose(stream);
/* create a unique temp dir in /tmp */
if (!xa_create_temp_directory(archive))
return -1;
cpio_z = g_strconcat(archive->tmp, "/xa-tmp.cpio_z", NULL);
ibs = g_strdup_printf("%lu", offset);
/* run dd to have the payload (compressed cpio archive) in /tmp */
command = g_strconcat("dd if=", archive->escaped_path, " ibs=", ibs, " skip=1 of=", cpio_z, NULL);
list = g_slist_append(NULL, command);
g_free(ibs);
if (!xa_run_command(archive, list))
{
g_free(cpio_z);
return -1;
}
switch (xa_detect_archive_type(cpio_z))
{
case XARCHIVETYPE_GZIP:
executable = "gzip -dc ";
break;
case XARCHIVETYPE_BZIP2:
executable = "bzip2 -dc ";
break;
default:
executable = "xz -dc ";
break;
}
command = g_strconcat("sh -c \"", executable, cpio_z, " > ", archive->tmp, "/xa-tmp.cpio\"", NULL);
list = g_slist_append(NULL, command);
g_free(cpio_z);
if (!xa_run_command(archive, list))
return 0;
return 1;
}