Fix bug when handling debian packages.
If we read the contents of compressed files within the ar archive,
e.g. control.tar.gz, then file position gets all out of whack, so
it has to be reset before reading thenext header.
diff --git a/archival/libunarchive/get_header_ar.c b/archival/libunarchive/get_header_ar.c
index 6c576a8..25fc837 100644
--- a/archival/libunarchive/get_header_ar.c
+++ b/archival/libunarchive/get_header_ar.c
@@ -45,7 +45,7 @@
if (read(archive_handle->src_fd, ar.raw, 60) != 60) {
/* End Of File */
return(EXIT_FAILURE);
- }
+ }
/* Some ar entries have a trailing '\n' after the previous data entry */
if (ar.raw[0] == '\n') {
@@ -55,7 +55,7 @@
archive_handle->offset++;
}
archive_handle->offset += 60;
-
+
/* align the headers based on the header magic */
if ((ar.formated.magic[0] != '`') || (ar.formated.magic[1] != '\n')) {
bb_error_msg_and_die("Invalid ar header");
@@ -115,7 +115,9 @@
data_skip(archive_handle);
}
- archive_handle->offset += typed->size + 1;
+ archive_handle->offset += typed->size;
+ /* Set the file pointer to the correct spot, we may have been reading a compressed file */
+ lseek(archive_handle->src_fd, archive_handle->offset, SEEK_SET);
return(EXIT_SUCCESS);
}