Add -E and -e to enable and disable data file encryption

2 files changed, 20 insertions, 7 deletions

diff --git a/ratox.1 b/ratox.1
index e01954b..904a9d2 100644
--- a/ratox.1
+++ b/ratox.1
@@ -6,7 +6,9 @@
 .Nd FIFO based tox client
 .Sh SYNOPSIS
 .Nm
-.Op Fl 46tp
+.Op Fl 4 | Fl 6
+.Op Fl E | Fl e
+.Op Fl tp
 .Sh DESCRIPTION
 .Nm
 is a client implementation of the rather popular tox protocol.
@@ -19,6 +21,10 @@ interaction through FIFOs.
 Switch to IPv4-only mode.  This is the default.
 .It Fl 6
 Switch to IPv6-only mode.
+.It Fl E
+Enable data file encryption.
+.It Fl e
+Disable data file encryption.
 .It Fl t
 Enable TCP mode.  By default, tox operates with UDP and is recommended, as TCP mode implies certain security considerations.
 .It Fl p
diff --git a/ratox.c b/ratox.c
index 25acc9b..54239a4 100644
--- a/ratox.c
+++ b/ratox.c
@@ -1968,12 +1968,13 @@ shutdown(void)
 static void
 usage(void)
 {
-	fprintf(stderr, "usage: %s [-4|-6] [-t] [-p]\n"
-	                " -4\tIPv4 only\n"
-	                " -6\tIPv6 only\n"
-	                " -t\tEnable TCP mode (UDP by default)\n"
-	                " -p\tEnable TCP socks5 proxy\n", argv0);
-	exit(1);
+	eprintf("usage: %s [-4|-6] [-E|-e] [-tp]\n"
+		" -4\tIPv4 only\n"
+		" -6\tIPv6 only\n"
+		" -E\tEnable data file encryption\n"
+		" -e\tDisable data file encryption\n"
+		" -t\tEnable TCP mode (UDP by default)\n"
+		" -p\tEnable TCP socks5 proxy\n", argv0);
 }
 
 int
@@ -1985,6 +1986,12 @@ main(int argc, char *argv[])
 	case '6':
 		ipv6 = 1;
 		break;
+	case 'E':
+		encryptdatafile = 1;
+		break;
+	case 'e':
+		encryptdatafile = 0;
+		break;
 	case 't':
 		tcpflag = 1;
 		break;