initially checkin

1 files changed, 114 insertions, 0 deletions

diff --git a/g10/compressed.c b/g10/compressed.c
new file mode 100644
index 000000000..cc0eafcfa
--- /dev/null
+++ b/g10/compressed.c
@@ -0,0 +1,114 @@
+/* compressed.c -  process an compressed packet
+ *	Copyright (c) 1997 by Werner Koch (dd9jn)
+ *
+ * This file is part of G10.
+ *
+ * G10 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * G10 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+/*#include <zlib.h>*/
+#include "util.h"
+#include "memory.h"
+#include "packet.h"
+
+
+/****************
+ * Handle a compressed packet
+ */
+int
+handle_compressed( PKT_compressed *zd )
+{
+  return -1;
+  #if 0
+    int c, zrc, rc = 0;
+    z_stream *zs = NULL;
+    unsigned inbufsize = 4096;
+    unsigned outbufsize = 16384;
+    unsigned n;
+    byte *inbuf = NULL;
+    byte *outbuf = NULL;
+
+    if( zd->algorithm != 1 ) {
+	rc =G10ERR_COMPR_ALGO;
+	goto leave;
+    }
+
+    zs = m_alloc_clear( sizeof *zs );
+    if( (zrc = inflateInit( zs )) != Z_OK ) {
+	log_fatal("zlib problem: %s\n", zs->msg? zs->msg :
+			      zrc == Z_MEM_ERROR ? "out of core" :
+			      zrc == Z_VERSION_ERROR ? "invalid lib version" :
+						       "unknown error" );
+    }
+
+    inbuf = m_alloc( inbufsize );
+    outbuf = m_alloc( outbufsize ); /* Fixme: put it in secure space? */
+
+    zs->next_in = inbuf;
+    zs->avail_in = inbufsize;
+    zs->next_out = outbuf;
+    zs->avail_out = outbufsize;
+
+    n = 0;
+    inbuf[n++] = 0x58;
+    inbuf[n++] = 0x09;
+    for(; n < inbufsize && (c=iobuf_get(zd->buf)) != -1 ; n++ )
+	inbuf[n] = c;
+    if( n ) {
+	{ int i;
+	  printf("start of compressed packet (n=%u):\n", n);
+	  for(i=0; i < 32 && i < n; i++ )
+	    printf(" %02x", inbuf[i] );
+	  putchar('\n');
+	}
+	zrc = inflate( zs, Z_PARTIAL_FLUSH );
+	switch( zrc ) {
+	  case Z_OK:
+	    log_info("inflate returned okay\n");
+	    break;
+	  case Z_STREAM_END:
+	    log_info("inflate returned stream-end\n");
+	    break;
+	  case Z_NEED_DICT:
+	  case Z_DATA_ERROR:
+	  case Z_STREAM_ERROR:
+	  case Z_MEM_ERROR:
+	  case Z_BUF_ERROR:
+	  default:
+	    if( zs->msg )
+		log_error("zlib inflate problem: %s\n", zs->msg );
+	    else
+		log_error("zlib inflate problem: rc=%d\n", zrc );
+	    break;
+	}
+    }
+
+  leave:
+    if( zs ) {
+	inflateEnd(zs);
+	m_free(zs);
+    }
+    m_free(inbuf);
+    m_free(outbuf);
+    return rc;
+  #endif
+}
+