initially checkin

1 files changed, 114 insertions, 0 deletions

diff --git a/g10/plaintext.c b/g10/plaintext.c
new file mode 100644
index 000000000..be8047bd0
--- /dev/null
+++ b/g10/plaintext.c
@@ -0,0 +1,114 @@
+/* plaintext.c -  process an plaintext 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 <errno.h>
+#include "util.h"
+#include "memory.h"
+#include "options.h"
+#include "packet.h"
+#include "ttyio.h"
+
+
+/****************
+ * Handle a plaintext packet
+ */
+int
+handle_plaintext( PKT_plaintext *pt )
+{
+    char *fname;
+    FILE *fp = NULL;
+    int rc = 0;
+    int c;
+
+    /* create the filename as C string */
+    if( opt.outfile ) {
+	fname = m_alloc( strlen( opt.outfile ) + 1);
+	strcpy(fname, opt.outfile );
+    }
+    else {
+	fname = m_alloc( pt->namelen +1 );
+	memcpy( fname, pt->name, pt->namelen );
+	fname[pt->namelen] = 0;
+    }
+
+    if( !*fname ) { /* no filename given */
+	if( opt.outfile_is_stdout )
+	    fp = stdout;
+	else {
+	    log_error("no outputfile given\n");
+	    goto leave;
+	}
+    }
+    else if( overwrite_filep( fname ) )
+	goto leave;
+
+    if( fp )
+	;
+    else if( !(fp = fopen(fname,"wb")) ) {
+	log_error("Error creating '%s': %s\n", fname, strerror(errno) );
+	rc = G10ERR_WRITE_FILE;
+	goto leave;
+    }
+
+    if( pt->len ) {
+	for( ; pt->len; pt->len-- ) {
+	    if( (c = iobuf_get(pt->buf)) == -1 ) {
+		log_error("Problem reading source\n");
+		rc = G10ERR_READ_FILE;
+		goto leave;
+	    }
+	    if( putc( c, fp ) == EOF ) {
+		log_error("Error writing to '%s': %s\n", fname, strerror(errno) );
+		rc = G10ERR_WRITE_FILE;
+		goto leave;
+	    }
+	}
+    }
+    else {
+	while( (c = iobuf_get(pt->buf)) != -1 ) {
+	    if( putc( c, fp ) == EOF ) {
+		log_error("Error writing to '%s': %s\n",
+					    fname, strerror(errno) );
+		rc = G10ERR_WRITE_FILE;
+		goto leave;
+	    }
+	}
+	iobuf_clear_eof(pt->buf);
+    }
+
+    if( fp && fp != stdout && fclose(fp) ) {
+	log_error("Error closing '%s': %s\n", fname, strerror(errno) );
+	fp = NULL;
+	rc = G10ERR_WRITE_FILE;
+	goto leave;
+    }
+    fp = NULL;
+
+  leave:
+    if( fp && fp != stdout )
+	fclose(fp);
+    m_free(fname);
+    return rc;
+}
+