gpgtar: List and extract using extended headers.

* tools/gpgtar.h (TF_EXTHDR, TF_GEXTHDR): New.
* tools/gpgtar-list.c (parse_header): Set the new type flags.
(parse_extended_header): New.
(read_header): Add arg r_extheader and parse extended header.
(print_header): Consult the extended header.
(gpgtar_list): Pass an extended header object.
(gpgtar_read_header): Ditto.
(gpgtar_print_header): Ditto.
* tools/gpgtar-extract.c (extract): New arg exthdr and factor name
checking out to ...
(check_suspicious_name): new.
(extract_regular): Add arg exthdr and consult it.
(extract_directory): Likewise.
(gpgtar_extract): Provide extheader object.
--

GnuPG-bug-id: 5754

1 files changed, 5 insertions, 2 deletions

diff --git a/tools/gpgtar.h b/tools/gpgtar.h
index c931b8247..02b2d358c 100644
--- a/tools/gpgtar.h
+++ b/tools/gpgtar.h
@@ -95,6 +95,8 @@ typedef enum
     TF_DIRECTORY,
     TF_FIFO,
     TF_RESERVED,
+    TF_GEXTHDR,    /* Global extended header.  */
+    TF_EXTHDR,     /* Extended header.  */
     TF_UNKNOWN,    /* Needs to be treated as regular file.  */
     TF_NOTSUP      /* Not supported (used with --create).  */
   } typeflag_t;
@@ -140,8 +142,9 @@ gpg_error_t gpgtar_extract (const char *filename, int decrypt);
 /*-- gpgtar-list.c --*/
 gpg_error_t gpgtar_list (const char *filename, int decrypt);
 gpg_error_t gpgtar_read_header (estream_t stream, tarinfo_t info,
-                                tar_header_t *r_header);
-void gpgtar_print_header (tar_header_t header, estream_t out);
+                                tar_header_t *r_header, strlist_t *r_extheader);
+void gpgtar_print_header (tar_header_t header, strlist_t extheader,
+                          estream_t out);
 
 
 #endif /*GPGTAR_H*/