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authorThijs Vermeir <thijsvermeir@gmail.com>2007-09-19 13:06:17 +0000
committerThijs Vermeir <thijsvermeir@gmail.com>2007-09-19 13:06:17 +0000
commita458032e6ebafa9245575155c0d3233d30843762 (patch)
tree9cb4912f66174a424be01e45bef943936be6c554 /gst/librfb
parent416a4f18cf4d0cc3126f9628165612477c4d7092 (diff)
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gst/librfb/gstrfbsrc.c: Add password property (write only)
Original commit message from CVS: * gst/librfb/gstrfbsrc.c: Add password property (write only) * gst/librfb/rfbdecoder.c: Read the reason on failure Use the password property for authentication * gst/librfb/rfbdecoder.h: Add defines for version checking
Diffstat (limited to 'gst/librfb')
-rw-r--r--gst/librfb/gstrfbsrc.c17
-rw-r--r--gst/librfb/rfbdecoder.c42
-rw-r--r--gst/librfb/rfbdecoder.h7
3 files changed, 55 insertions, 11 deletions
diff --git a/gst/librfb/gstrfbsrc.c b/gst/librfb/gstrfbsrc.c
index b0fd6962..38560b8b 100644
--- a/gst/librfb/gstrfbsrc.c
+++ b/gst/librfb/gstrfbsrc.c
@@ -1,4 +1,5 @@
/* GStreamer
+ * Copyright (C) <2007> Thijs Vermeir <thijsvermeir@gmail.com>
* Copyright (C) <2006> Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>
* Copyright (C) <2004> David A. Schleef <ds@schleef.org>
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
@@ -36,6 +37,7 @@ enum
ARG_HOST,
ARG_PORT,
ARG_VERSION,
+ ARG_PASSWORD,
};
#define RGB332_R(x) ((((x)&0x07) * 0x124)>>3)
@@ -50,7 +52,8 @@ GST_ELEMENT_DETAILS ("Rfb source",
"Source/Video",
"Creates a rfb video stream",
"David A. Schleef <ds@schleef.org>, "
- "Andre Moreira Magalhaes <andre.magalhaes@indt.org.br");
+ "Andre Moreira Magalhaes <andre.magalhaes@indt.org.br>, "
+ "Thijs Vermeir <thijsvermeir@gmail.com>");
static GstStaticPadTemplate gst_rfb_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
@@ -120,6 +123,9 @@ gst_rfb_src_class_init (GstRfbSrcClass * klass)
g_object_class_install_property (gobject_class, ARG_VERSION,
g_param_spec_string ("version", "RFB protocol version",
"RFB protocol version", "3.3", G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class, ARG_PASSWORD,
+ g_param_spec_string ("password", "Password for authentication",
+ "Password for authentication", "", G_PARAM_WRITABLE));
gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_rfb_src_start);
gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_rfb_src_stop);
@@ -142,6 +148,9 @@ gst_rfb_src_init (GstRfbSrc * src, GstRfbSrcClass * klass)
src->port = 5900;
src->version_major = 3;
src->version_minor = 3;
+
+ src->decoder = rfb_decoder_new ();
+
}
static void
@@ -213,6 +222,10 @@ gst_rfb_src_set_property (GObject * object, guint prop_id,
case ARG_VERSION:
gst_rfb_property_set_version (src, g_strdup (g_value_get_string (value)));
break;
+ case ARG_PASSWORD:
+ g_free (src->decoder->password);
+ src->decoder->password = g_strdup (g_value_get_string (value));
+ break;
default:
break;
}
@@ -250,7 +263,7 @@ gst_rfb_src_start (GstBaseSrc * bsrc)
RfbDecoder *decoder;
GstCaps *caps;
- decoder = rfb_decoder_new ();
+ decoder = src->decoder;
GST_DEBUG_OBJECT (src, "connecting to host %s on port %d",
src->host, src->port);
diff --git a/gst/librfb/rfbdecoder.c b/gst/librfb/rfbdecoder.c
index 6f6050ff..1b56c63c 100644
--- a/gst/librfb/rfbdecoder.c
+++ b/gst/librfb/rfbdecoder.c
@@ -60,6 +60,8 @@ rfb_decoder_new (void)
decoder->fd = -1;
decoder->bytestream = rfb_bytestream_new ();
+ decoder->password = NULL;
+
return decoder;
}
@@ -263,8 +265,17 @@ rfb_decoder_state_wait_for_protocol_version (RfbDecoder * decoder)
static gboolean
rfb_decoder_state_reason (RfbDecoder * decoder)
{
- /* \TODO Read the reason from the server why he quits */
- return TRUE;
+ RfbBuffer *buffer;
+ gint reason_length;
+
+ rfb_bytestream_read (decoder->bytestream, &buffer, 4);
+ reason_length = RFB_GET_UINT32 (buffer->data);
+ rfb_buffer_free (buffer);
+ rfb_bytestream_read (decoder->bytestream, &buffer, reason_length);
+ GST_WARNING ("Reason by server: %s", buffer->data);
+ rfb_buffer_free (buffer);
+
+ return FALSE;
}
static gboolean
@@ -280,7 +291,7 @@ rfb_decoder_state_wait_for_security (RfbDecoder * decoder)
* connection has failed and is followed by a string giving the reason, as described
* above.
*/
- if (decoder->protocol_major == 3 && decoder->protocol_minor == 3) {
+ if (IS_VERSION_3_3 (decoder)) {
ret = rfb_bytestream_read (decoder->bytestream, &buffer, 4);
g_return_val_if_fail (ret == 4, FALSE);
@@ -296,8 +307,11 @@ rfb_decoder_state_wait_for_security (RfbDecoder * decoder)
switch (decoder->security_type) {
case SECURITY_NONE:
GST_DEBUG ("Security type is None");
- /* \TODO version 3.8 goes to the security result */
- decoder->state = rfb_decoder_state_send_client_initialisation;
+ if (IS_VERSION_3_8 (decoder)) {
+ decoder->state = rfb_decoder_state_security_result;
+ } else {
+ decoder->state = rfb_decoder_state_send_client_initialisation;
+ }
break;
case SECURITY_VNC:
/**
@@ -305,18 +319,25 @@ rfb_decoder_state_wait_for_security (RfbDecoder * decoder)
* server sends a random 16-byte challenge
*/
GST_DEBUG ("Security type is VNC Authentication");
+ /* VNC Authentication can't be used if the password is not set */
+ if (!decoder->password) {
+ GST_WARNING
+ ("VNC Authentication can't be used if the password is not set");
+ return FALSE;
+ }
ret = rfb_bytestream_read (decoder->bytestream, &buffer, 16);
g_return_val_if_fail (ret == 16, FALSE);
- vncEncryptBytes ((unsigned char *) buffer->data, "testtest");
+ vncEncryptBytes ((unsigned char *) buffer->data, decoder->password);
rfb_decoder_send (decoder, buffer->data, 16);
+ rfb_buffer_free (buffer);
GST_DEBUG ("Encrypted challenge send to server");
decoder->state = rfb_decoder_state_security_result;
break;
default:
- GST_INFO ("Security type is not known");
+ GST_WARNING ("Security type is not known");
return FALSE;
break;
}
@@ -336,8 +357,11 @@ rfb_decoder_state_security_result (RfbDecoder * decoder)
ret = rfb_bytestream_read (decoder->bytestream, &buffer, 4);
g_return_val_if_fail (ret == 4, FALSE);
if (RFB_GET_UINT32 (buffer->data) != 0) {
- GST_INFO ("Security handshaking failed");
- /* \TODO version 3.8 gives a reason why it failed */
+ GST_WARNING ("Security handshaking failed");
+ if (IS_VERSION_3_8 (decoder)) {
+ decoder->state = rfb_decoder_state_reason;
+ return TRUE;
+ }
return FALSE;
}
diff --git a/gst/librfb/rfbdecoder.h b/gst/librfb/rfbdecoder.h
index 1a0c2831..2f423341 100644
--- a/gst/librfb/rfbdecoder.h
+++ b/gst/librfb/rfbdecoder.h
@@ -12,6 +12,11 @@ enum {
SECURITY_VNC,
};
+#define IS_VERSION(x, ma, mi) ((x->protocol_major == ma) && (x->protocol_minor == mi))
+#define IS_VERSION_3_3(x) IS_VERSION(x, 3, 3)
+#define IS_VERSION_3_7(x) IS_VERSION(x, 3, 7)
+#define IS_VERSION_3_8(x) IS_VERSION(x, 3, 8)
+
typedef struct _RfbDecoder RfbDecoder;
struct _RfbDecoder
@@ -41,6 +46,8 @@ struct _RfbDecoder
guint protocol_minor;
guint security_type;
+ gchar *password;
+
guint width;
guint height;
guint bpp;