Imported Upstream version 1.1.1+rev1207upstream/1.1.1+rev1207

1 files changed, 198 insertions, 0 deletions

diff --git a/util/zap/zap_ca.c b/util/zap/zap_ca.c
new file mode 100644
index 0000000..b78fdcf
--- /dev/null
+++ b/util/zap/zap_ca.c
@@ -0,0 +1,198 @@
+/*
+	ZAP utility CA functions
+
+	Copyright (C) 2004, 2005 Manu Abraham <abraham.manu@gmail.com>
+	Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU Lesser General Public License as
+	published by the Free Software Foundation; either version 2.1 of
+	the License, or (at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Lesser General Public License for more details.
+
+	You should have received a copy of the GNU Lesser General Public
+	License along with this library; if not, write to the Free Software
+	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/poll.h>
+#include <pthread.h>
+#include <libdvben50221/en50221_stdcam.h>
+#include "zap_ca.h"
+
+
+static int zap_ca_info_callback(void *arg, uint8_t slot_id, uint16_t session_number, uint32_t ca_id_count, uint16_t *ca_ids);
+static int zap_ai_callback(void *arg, uint8_t slot_id, uint16_t session_number,
+			     uint8_t application_type, uint16_t application_manufacturer,
+			     uint16_t manufacturer_code, uint8_t menu_string_length,
+			     uint8_t *menu_string);
+static void *camthread_func(void* arg);
+
+static struct en50221_transport_layer *tl = NULL;
+static struct en50221_session_layer *sl = NULL;
+static struct en50221_stdcam *stdcam = NULL;
+
+static int ca_resource_connected = 0;
+
+static int camthread_shutdown = 0;
+static pthread_t camthread;
+static int seenpmt = 0;
+static int moveca = 0;
+
+void zap_ca_start(struct zap_ca_params *params)
+{
+	// create transport layer
+	tl = en50221_tl_create(1, 16);
+	if (tl == NULL) {
+		fprintf(stderr, "Failed to create transport layer\n");
+		return;
+	}
+
+	// create session layer
+	sl = en50221_sl_create(tl, 16);
+	if (sl == NULL) {
+		fprintf(stderr, "Failed to create session layer\n");
+		en50221_tl_destroy(tl);
+		return;
+	}
+
+	// create the stdcam instance
+	stdcam = en50221_stdcam_create(params->adapter_id, params->caslot_num, tl, sl);
+	if (stdcam == NULL) {
+		en50221_sl_destroy(sl);
+		en50221_tl_destroy(tl);
+		return;
+	}
+
+	// hook up the AI callbacks
+	if (stdcam->ai_resource) {
+		en50221_app_ai_register_callback(stdcam->ai_resource, zap_ai_callback, stdcam);
+	}
+
+	// hook up the CA callbacks
+	if (stdcam->ca_resource) {
+		en50221_app_ca_register_info_callback(stdcam->ca_resource, zap_ca_info_callback, stdcam);
+	}
+
+	// any other stuff
+	moveca = params->moveca;
+
+	// start the cam thread
+	pthread_create(&camthread, NULL, camthread_func, NULL);
+}
+
+void zap_ca_stop(void)
+{
+	if (stdcam == NULL)
+		return;
+
+	// shutdown the cam thread
+	camthread_shutdown = 1;
+	pthread_join(camthread, NULL);
+
+	// destroy session layer
+	en50221_sl_destroy(sl);
+
+	// destroy transport layer
+	en50221_tl_destroy(tl);
+
+	// destroy the stdcam
+	if (stdcam->destroy)
+		stdcam->destroy(stdcam, 1);
+}
+
+int zap_ca_new_pmt(struct mpeg_pmt_section *pmt)
+{
+	uint8_t capmt[4096];
+	int size;
+
+	if (stdcam == NULL)
+		return -1;
+
+	if (ca_resource_connected) {
+		fprintf(stderr, "Received new PMT - sending to CAM...\n");
+
+		// translate it into a CA PMT
+		int listmgmt = CA_LIST_MANAGEMENT_ONLY;
+		if (seenpmt) {
+			listmgmt = CA_LIST_MANAGEMENT_UPDATE;
+		}
+		seenpmt = 1;
+
+		if ((size = en50221_ca_format_pmt(pmt, capmt, sizeof(capmt), moveca, listmgmt,
+						  CA_PMT_CMD_ID_OK_DESCRAMBLING)) < 0) {
+			fprintf(stderr, "Failed to format PMT\n");
+			return -1;
+		}
+
+		// set it
+		if (en50221_app_ca_pmt(stdcam->ca_resource, stdcam->ca_session_number, capmt, size)) {
+			fprintf(stderr, "Failed to send PMT\n");
+			return -1;
+		}
+
+		// we've seen this PMT
+		return 1;
+	}
+
+	return 0;
+}
+
+void zap_ca_new_dvbtime(time_t dvb_time)
+{
+	if (stdcam == NULL)
+		return;
+
+	if (stdcam->dvbtime)
+		stdcam->dvbtime(stdcam, dvb_time);
+}
+
+static void *camthread_func(void* arg)
+{
+	(void) arg;
+
+	while(!camthread_shutdown) {
+		stdcam->poll(stdcam);
+	}
+
+	return 0;
+}
+
+static int zap_ai_callback(void *arg, uint8_t slot_id, uint16_t session_number,
+			     uint8_t application_type, uint16_t application_manufacturer,
+			     uint16_t manufacturer_code, uint8_t menu_string_length,
+			     uint8_t *menu_string)
+{
+	(void) arg;
+	(void) slot_id;
+	(void) session_number;
+
+	printf("CAM Application type: %02x\n", application_type);
+	printf("CAM Application manufacturer: %04x\n", application_manufacturer);
+	printf("CAM Manufacturer code: %04x\n", manufacturer_code);
+	printf("CAM Menu string: %.*s\n", menu_string_length, menu_string);
+
+	return 0;
+}
+
+static int zap_ca_info_callback(void *arg, uint8_t slot_id, uint16_t session_number, uint32_t ca_id_count, uint16_t *ca_ids)
+{
+	(void) arg;
+	(void) slot_id;
+	(void) session_number;
+
+	printf("CAM supports the following ca system ids:\n");
+	uint32_t i;
+	for(i=0; i< ca_id_count; i++) {
+		printf("  0x%04x\n", ca_ids[i]);
+	}
+	ca_resource_connected = 1;
+	return 0;
+}