[PATCHv4 16/17] android/socket: Add SDP record for OPP profile

[Andrei Emeltchenko <Andrei.Emeltchenko.news@gmail.com>]

From: Andrei Emeltchenko <andrei.emeltchenko@intel.com>

This adds SDP record for OPP shown below:

Service Name: OBEX Object Push
Service RecHandle: 0x10002
Service Class ID List:
  "OBEX Object Push" (0x1105)
Protocol Descriptor List:
  "RFCOMM" (0x0003)
    Channel: 9
  "OBEX" (0x0008)
Profile Descriptor List:
  "OBEX Object Push" (0x1105)
    Version: 0x0100
---
 android/socket.c |   94 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)

diff --git a/android/socket.c b/android/socket.c
index 3c4c238..5e25b14 100644
--- a/android/socket.c
+++ b/android/socket.c
@@ -36,6 +36,7 @@
 #include "lib/sdp_lib.h"
 #include "src/sdp-client.h"
 
+#include "bluetooth.h"
 #include "log.h"
 #include "hal-msg.h"
 #include "hal-ipc.h"
@@ -46,6 +47,9 @@
 #define OPP_DEFAULT_CHANNEL	9
 #define PBAP_DEFAULT_CHANNEL	15
 
+/* Use Object Transfer for all services */
+#define SVC_HINT_OBEX 0x10
+
 static bdaddr_t adapter_addr;
 
 /* Simple list of RFCOMM server sockets */
@@ -59,6 +63,7 @@ struct rfcomm_sock {
 	int real_sock;	/* real RFCOMM socket */
 	int channel;	/* RFCOMM channel */
 	bdaddr_t dst;
+	uint32_t service_handle;
 };
 
 static struct rfcomm_sock *create_rfsock(int sock, int *hal_fd)
@@ -90,6 +95,9 @@ static void cleanup_rfsock(struct rfcomm_sock *rfsock)
 	if (rfsock->real_sock > 0)
 		close(rfsock->real_sock);
 
+	if (rfsock->service_handle)
+		bt_adapter_remove_record(rfsock->service_handle);
+
 	g_free(rfsock);
 }
 
@@ -112,6 +120,90 @@ static struct {
 	}
 };
 
+static sdp_record_t *create_opp_record(uint8_t chan)
+{
+	sdp_list_t *svclass_id, *pfseq, *apseq, *root;
+	uuid_t root_uuid, opush_uuid, rfcomm_uuid, obex_uuid;
+	sdp_profile_desc_t profile[1];
+	sdp_list_t *aproto, *proto[2];
+	uint8_t formats[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0xff };
+	void *dtds[sizeof(formats)], *values[sizeof(formats)];
+	unsigned int i;
+	uint8_t dtd = SDP_UINT8;
+	sdp_data_t *sflist;
+	sdp_data_t *channel;
+	sdp_record_t *record;
+
+	record = sdp_record_alloc();
+	if (!record)
+		return NULL;
+
+	sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
+	root = sdp_list_append(NULL, &root_uuid);
+	sdp_set_browse_groups(record, root);
+
+	sdp_uuid16_create(&opush_uuid, OBEX_OBJPUSH_SVCLASS_ID);
+	svclass_id = sdp_list_append(NULL, &opush_uuid);
+	sdp_set_service_classes(record, svclass_id);
+
+	sdp_uuid16_create(&profile[0].uuid, OBEX_OBJPUSH_PROFILE_ID);
+	profile[0].version = 0x0100;
+	pfseq = sdp_list_append(NULL, profile);
+	sdp_set_profile_descs(record, pfseq);
+
+	sdp_uuid16_create(&rfcomm_uuid, RFCOMM_UUID);
+	proto[0] = sdp_list_append(NULL, &rfcomm_uuid);
+	channel = sdp_data_alloc(SDP_UINT8, &chan);
+	proto[0] = sdp_list_append(proto[0], channel);
+	apseq = sdp_list_append(NULL, proto[0]);
+
+	sdp_uuid16_create(&obex_uuid, OBEX_UUID);
+	proto[1] = sdp_list_append(NULL, &obex_uuid);
+	apseq = sdp_list_append(apseq, proto[1]);
+
+	aproto = sdp_list_append(NULL, apseq);
+	sdp_set_access_protos(record, aproto);
+
+	for (i = 0; i < sizeof(formats); i++) {
+		dtds[i] = &dtd;
+		values[i] = &formats[i];
+	}
+	sflist = sdp_seq_alloc(dtds, values, sizeof(formats));
+	sdp_attr_add(record, SDP_ATTR_SUPPORTED_FORMATS_LIST, sflist);
+
+	sdp_set_info_attr(record, "OBEX Object Push", 0, 0);
+
+	sdp_data_free(channel);
+	sdp_list_free(proto[0], NULL);
+	sdp_list_free(proto[1], NULL);
+	sdp_list_free(apseq, NULL);
+	sdp_list_free(aproto, NULL);
+
+	return record;
+}
+
+static uint32_t sdp_service_register(uint8_t chan)
+{
+	sdp_record_t *record;
+
+	switch (chan) {
+	case OPP_DEFAULT_CHANNEL:
+		record = create_opp_record(chan);
+		break;
+	default:
+		DBG("Not implemented");
+		return 0;
+	}
+
+	if (bt_adapter_add_record(record, SVC_HINT_OBEX) < 0) {
+		error("Failed to register on SDP record");
+		sdp_record_free(record);
+		return 0;
+	}
+
+	return record->handle;
+}
+
 static int bt_sock_send_fd(int sock_fd, const void *buf, int len, int send_fd)
 {
 	ssize_t ret;
@@ -374,6 +466,8 @@ static int handle_listen(void *buf)
 		return -1;
 	}
 
+	rfsock->service_handle = sdp_service_register(chan);
+
 	DBG("real_sock %d fd %d hal_fd %d",
 				rfsock->real_sock, rfsock->fd, hal_fd);
 
-- 
1.7.10.4