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gst/librfb/gstrfbsrc.c: Add password property (write only)

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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
This commit is contained in:
Thijs Vermeir 2007-09-19 13:06:17 +00:00
parent 416a4f18cf
commit a458032e6e
4 changed files with 65 additions and 11 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2007-09-19 Thijs Vermeir <thijsvermeir@gmail.com>
* 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
2007-09-19 Sebastian Dröge <slomo@circular-chaos.org>
* ext/directfb/dfbvideosink.c: (gst_dfbvideosink_surface_destroy),

17
gst/librfb/gstrfbsrc.c
View file

@ -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);

42
gst/librfb/rfbdecoder.c
View file

@ -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;
}

7
gst/librfb/rfbdecoder.h
View file

@ -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;