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gst-libs/gst/netbuffer/gstnetbuffer.*: Make gst_netaddress_get_ip4_address fail for v6 addresses.

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Original commit message from CVS:
Patch by: Andrew Feren <acferen at yahoo dot com>
* gst-libs/gst/netbuffer/gstnetbuffer.c:
(gst_netaddress_get_ip4_address), (gst_netaddress_get_ip6_address),
(gst_netaddress_get_address_bytes),
(gst_netaddress_set_address_bytes):
* gst-libs/gst/netbuffer/gstnetbuffer.h:
Make gst_netaddress_get_ip4_address fail for v6 addresses.
Make gst_netaddress_get_ip6_address either fail or return the v4
address as a transitional v6 address.
Add two convenience functions:
API: gst_netaddress_get_address_bytes()
API: gst_netaddress_set_address_bytes()
Fixes #564896.
This commit is contained in:
Andrew Feren 2008-12-18 12:37:33 +00:00 committed by Wim Taymans
parent 8567ee2149
commit a628077e96
3 changed files with 122 additions and 13 deletions
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17
ChangeLog
View file

@ -1,3 +1,20 @@
2008-12-18 Wim Taymans <wim.taymans@collabora.co.uk>
Patch by: Andrew Feren <acferen at yahoo dot com>
* gst-libs/gst/netbuffer/gstnetbuffer.c:
(gst_netaddress_get_ip4_address), (gst_netaddress_get_ip6_address),
(gst_netaddress_get_address_bytes),
(gst_netaddress_set_address_bytes):
* gst-libs/gst/netbuffer/gstnetbuffer.h:
Make gst_netaddress_get_ip4_address fail for v6 addresses.
Make gst_netaddress_get_ip6_address either fail or return the v4
address as a transitional v6 address.
Add two convenience functions:
API: gst_netaddress_get_address_bytes()
API: gst_netaddress_set_address_bytes()
Fixes #564896.
2008-12-17 Stefan Kost <ensonic@users.sf.net>
* gst/adder/Makefile.am:

97
gst-libs/gst/netbuffer/gstnetbuffer.c
View file

@ -190,7 +190,8 @@ gst_netaddress_get_net_type (GstNetAddress * naddr)
* @address: a location to store the address.
* @port: a location to store the port.
*
* Get the IPv4 address stored in @naddr into @address.
* Get the IPv4 address stored in @naddr into @address. This function requires
* that the address type of @naddr is of type #GST_NET_TYPE_IP4.
*
* Returns: TRUE if the address could be retrieved.
*/
@ -200,7 +201,7 @@ gst_netaddress_get_ip4_address (GstNetAddress * naddr, guint32 * address,
{
g_return_val_if_fail (naddr != NULL, FALSE);
if (naddr->type == GST_NET_TYPE_UNKNOWN)
if (naddr->type == GST_NET_TYPE_UNKNOWN || naddr->type == GST_NET_TYPE_IP6)
return FALSE;
if (address)
@ -219,25 +220,113 @@ gst_netaddress_get_ip4_address (GstNetAddress * naddr, guint32 * address,
*
* Get the IPv6 address stored in @naddr into @address.
*
* If @naddr is of type GST_NET_TYPE_IP4, the transitional IP6 address is
* returned.
*
* Returns: TRUE if the address could be retrieved.
*/
gboolean
gst_netaddress_get_ip6_address (GstNetAddress * naddr, guint8 address[16],
guint16 * port)
{
static guint8 ip4_transition[16] =
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF };
g_return_val_if_fail (naddr != NULL, FALSE);
if (naddr->type == GST_NET_TYPE_UNKNOWN)
return FALSE;
if (address)
memcpy (address, naddr->address.ip6, 16);
if (address) {
if (naddr->type == GST_NET_TYPE_IP6) {
memcpy (address, naddr->address.ip6, 16);
} else { /* naddr->type == GST_NET_TYPE_IP4 */
memcpy (address, ip4_transition, 12);
memcpy (address + 12, (guint8 *) & (naddr->address.ip4), 4);
}
}
if (port)
*port = naddr->port;
return TRUE;
}
/**
* gst_netaddress_get_address_bytes:
* @naddr: a network address
* @address: a location to store the result.
* @port: a location to store the port.
*
* Get just the address bytes stored in @naddr into @address.
*
* Returns: number of bytes actually copied
*
* Since: 0.10.22
*/
gint
gst_netaddress_get_address_bytes (GstNetAddress * naddr, guint8 address[16],
guint16 * port)
{
gint ret = 0;
g_return_val_if_fail (naddr != NULL, FALSE);
if (naddr->type == GST_NET_TYPE_UNKNOWN)
return 0;
if (address) {
if (naddr->type == GST_NET_TYPE_IP6) {
memcpy (address, naddr->address.ip6, 16);
ret = 16;
} else { /* naddr->type == GST_NET_TYPE_IP4 */
memcpy (address, (guint8 *) & (naddr->address.ip4), 4);
ret = 4;
}
}
if (port)
*port = naddr->port;
return ret;
}
/**
* gst_netaddress_set_address_bytes:
* @naddr: a network address
* @address: a location to store the result.
* @port: a location to store the port.
*
* Set just the address bytes stored in @naddr into @address.
*
* Returns: number of bytes actually copied
*
* Since: 0.10.22
*/
gint
gst_netaddress_set_address_bytes (GstNetAddress * naddr, GstNetType type,
guint8 address[16], guint16 port)
{
gint len = 0;
g_return_val_if_fail (naddr != NULL, 0);
naddr->type = type;
switch (naddr->type) {
case GST_NET_TYPE_UNKNOWN:
case GST_NET_TYPE_IP6:
len = 16;
memcpy (naddr->address.ip6, address, 16);
break;
case GST_NET_TYPE_IP4:
len = 4;
memcpy ((guint8 *) & (naddr->address.ip4), address, 4);
break;
}
if (port)
naddr->port = port;
return len;
}
/**
* gst_netaddress_equal:
* @naddr1: The first #GstNetAddress

21
gst-libs/gst/netbuffer/gstnetbuffer.h
View file

@ -93,20 +93,23 @@ struct _GstNetBufferClass {
};
/* creating buffers */
GType gst_netbuffer_get_type (void);
GType gst_netbuffer_get_type (void);
GstNetBuffer* gst_netbuffer_new (void);
GstNetBuffer* gst_netbuffer_new (void);
/* address operations */
void gst_netaddress_set_ip4_address (GstNetAddress *naddr, guint32 address, guint16 port);
void gst_netaddress_set_ip6_address (GstNetAddress *naddr, guint8 address[16], guint16 port);
void gst_netaddress_set_ip4_address (GstNetAddress *naddr, guint32 address, guint16 port);
void gst_netaddress_set_ip6_address (GstNetAddress *naddr, guint8 address[16], guint16 port);
gint gst_netaddress_set_address_bytes (GstNetAddress *naddr, GstNetType type,
guint8 address[16], guint16 port);
GstNetType gst_netaddress_get_net_type (GstNetAddress *naddr);
gboolean gst_netaddress_get_ip4_address (GstNetAddress *naddr, guint32 *address, guint16 *port);
gboolean gst_netaddress_get_ip6_address (GstNetAddress *naddr, guint8 address[16], guint16 *port);
GstNetType gst_netaddress_get_net_type (GstNetAddress *naddr);
gboolean gst_netaddress_get_ip4_address (GstNetAddress *naddr, guint32 *address, guint16 *port);
gboolean gst_netaddress_get_ip6_address (GstNetAddress *naddr, guint8 address[16], guint16 *port);
gint gst_netaddress_get_address_bytes (GstNetAddress *naddr, guint8 address[16], guint16 *port);
gboolean gst_netaddress_equal (const GstNetAddress *naddr1,
const GstNetAddress *naddr2);
gboolean gst_netaddress_equal (const GstNetAddress *naddr1,
const GstNetAddress *naddr2);
G_END_DECLS