Add unfinished gpgtar.

Collected changes and ports of bug fixes from stable.

1 files changed, 124 insertions, 0 deletions

diff --git a/tools/gpgtar.h b/tools/gpgtar.h
new file mode 100644
index 000000000..57fb34a48
--- /dev/null
+++ b/tools/gpgtar.h
@@ -0,0 +1,124 @@
+/* gpgtar.h - Global definitions for gpgtar
+ * Copyright (C) 2010 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuPG is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GPGTAR_H
+#define GPGTAR_H
+
+#include "../common/util.h"
+
+/* We keep all global options in the structure OPT.  */
+struct
+{
+  int verbose;
+  int quiet;
+  char *outfile;
+  int symmetric;
+} opt;
+
+
+/* The size of a tar record.  All IO is done in chunks of this size.
+   Note that we don't care about blocking because this version of tar
+   is not expected to be used directly on a tape drive in fact it is
+   used in a pipeline with GPG and thus any blocking would be
+   useless.  */
+#define RECORDSIZE 512 
+
+
+/* Description of the USTAR header format.  */
+struct ustar_raw_header
+{
+  char name[100];
+  char mode[8];
+  char uid[8];
+  char gid[8];
+  char size[12];
+  char mtime[12];
+  char checksum[8];
+  char typeflag[1];
+  char linkname[100];
+  char magic[6];
+  char version[2];
+  char uname[32];
+  char gname[32];   
+  char devmajor[8]; 
+  char devminor[8];
+  char prefix[155]; 
+  char pad[12];
+};
+
+
+/* Filetypes as defined by USTAR.  */
+typedef enum 
+  {
+    TF_REGULAR,
+    TF_HARDLINK,
+    TF_SYMLINK,
+    TF_CHARDEV,
+    TF_BLOCKDEV,
+    TF_DIRECTORY,
+    TF_FIFO,
+    TF_RESERVED,
+    TF_UNKNOWN,    /* Needs to be treated as regular file.  */
+    TF_NOTSUP      /* Not supported (used with --create).  */
+  } typeflag_t;
+
+
+/* The internal represenation of a TAR header.  */
+struct tar_header_s;
+typedef struct tar_header_s *tar_header_t;
+struct tar_header_s
+{
+  tar_header_t next;        /* Used to build a linked list iof entries.  */
+
+  unsigned long mode;       /* The file mode.  */
+  unsigned long nlink;      /* Number of hard links.  */
+  unsigned long uid;        /* The user id of the file.  */
+  unsigned long gid;        /* The group id of the file.  */
+  unsigned long long size;  /* The size of the file.  */
+  unsigned long long mtime; /* Modification time since Epoch.  Note
+                               that we don't use time_t here but a
+                               type which is more likely to be larger
+                               that 32 bit and thus allows to track
+                               times beyond 2106.  */
+  typeflag_t typeflag;      /* The type of the file.  */
+  
+
+  unsigned long long nrecords; /* Number of data records.  */
+
+  char name[1];             /* Filename (dynamically extended).  */
+};
+
+
+/*-- gpgtar.c --*/
+gpg_error_t read_record (estream_t stream, void *record);
+gpg_error_t write_record (estream_t stream, const void *record);
+
+/*-- gpgtar-create.c --*/
+void gpgtar_create (char **inpattern);
+
+/*-- gpgtar-extract.c --*/
+void gpgtar_extract (const char *filename);
+
+/*-- gpgtar-list.c --*/
+void gpgtar_list (const char *filename);
+tar_header_t gpgtar_read_header (estream_t stream);
+void gpgtar_print_header (tar_header_t header, estream_t out);
+
+
+#endif /*GPGTAR_H*/