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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-02-10 00:59:09 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-02-10 00:59:09 +0000
commit7f66b9e8ba186fb14a2db598a87dfa8de7b5a47b (patch)
treeb5e07812e82f00c780d2c035dca102b8e364f447 /kaffeine/src/input/dvb/lib/libdvben50221/en50221_app_auth.c
downloadkaffeine-7f66b9e8ba186fb14a2db598a87dfa8de7b5a47b.tar.gz
kaffeine-7f66b9e8ba186fb14a2db598a87dfa8de7b5a47b.zip
Added old abandoned KDE3 version of Kaffeine
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kaffeine@1088031 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kaffeine/src/input/dvb/lib/libdvben50221/en50221_app_auth.c')
-rw-r--r--kaffeine/src/input/dvb/lib/libdvben50221/en50221_app_auth.c179
1 files changed, 179 insertions, 0 deletions
diff --git a/kaffeine/src/input/dvb/lib/libdvben50221/en50221_app_auth.c b/kaffeine/src/input/dvb/lib/libdvben50221/en50221_app_auth.c
new file mode 100644
index 0000000..b062e3e
--- /dev/null
+++ b/kaffeine/src/input/dvb/lib/libdvben50221/en50221_app_auth.c
@@ -0,0 +1,179 @@
+/*
+ en50221 encoder An implementation for libdvb
+ an implementation for the en50221 transport layer
+
+ Copyright (C) 2004, 2005 Manu Abraham (manu@kromtek.com)
+ Copyright (C) 2005 Julian Scheel (julian at jusst dot de)
+ Copyright (C) 2006 Andrew de Quincey (adq_dvb@lidskialf.net)
+
+ This library 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 <string.h>
+#include <libdvbmisc/dvbmisc.h>
+#include <pthread.h>
+#include "en50221_app_auth.h"
+#include "en50221_app_tags.h"
+#include "asn_1.h"
+
+struct en50221_app_auth_private {
+ struct en50221_app_send_functions *funcs;
+
+ en50221_app_auth_request_callback callback;
+ void *callback_arg;
+
+ pthread_mutex_t lock;
+};
+
+static int en50221_app_auth_parse_request(struct en50221_app_auth_private *private,
+ uint8_t slot_id, uint16_t session_number,
+ uint8_t *data, uint32_t data_length);
+
+
+en50221_app_auth en50221_app_auth_create(struct en50221_app_send_functions *funcs)
+{
+ struct en50221_app_auth_private *private = NULL;
+
+ // create structure and set it up
+ private = malloc(sizeof(struct en50221_app_auth_private));
+ if (private == NULL) {
+ return NULL;
+ }
+ private->funcs = funcs;
+ private->callback = NULL;
+
+ pthread_mutex_init(&private->lock, NULL);
+
+ // done
+ return private;
+}
+
+void en50221_app_auth_destroy(en50221_app_auth auth)
+{
+ struct en50221_app_auth_private *private = (struct en50221_app_auth_private *) auth;
+
+ pthread_mutex_destroy(&private->lock);
+ free(private);
+}
+
+void en50221_app_auth_register_request_callback(en50221_app_auth auth,
+ en50221_app_auth_request_callback callback, void *arg)
+{
+ struct en50221_app_auth_private *private = (struct en50221_app_auth_private *) auth;
+
+ pthread_mutex_lock(&private->lock);
+ private->callback = callback;
+ private->callback_arg = arg;
+ pthread_mutex_unlock(&private->lock);
+}
+
+int en50221_app_auth_send(en50221_app_auth auth,
+ uint16_t session_number,
+ uint16_t auth_protocol_id, uint8_t *auth_data,
+ uint32_t auth_data_length)
+{
+ struct en50221_app_auth_private *private = (struct en50221_app_auth_private *) auth;
+ uint8_t buf[10];
+
+ // the header
+ buf[0] = (TAG_AUTH_RESP >> 16) & 0xFF;
+ buf[1] = (TAG_AUTH_RESP >> 8) & 0xFF;
+ buf[2] = TAG_AUTH_RESP & 0xFF;
+
+ // encode the length field
+ int length_field_len;
+ if ((length_field_len = asn_1_encode(auth_data_length+2, buf+3, 3)) < 0) {
+ return -1;
+ }
+
+ // the phase_id
+ buf[3+length_field_len] = auth_protocol_id>>8;
+ buf[3+length_field_len+1] = auth_protocol_id;
+
+ // build the iovecs
+ struct iovec iov[2];
+ iov[0].iov_base = buf;
+ iov[0].iov_len = 3+length_field_len+2;
+ iov[1].iov_base = auth_data;
+ iov[1].iov_len = auth_data_length;
+
+ // sendit
+ return private->funcs->send_datav(private->funcs->arg, session_number, iov, 2);
+}
+
+int en50221_app_auth_message(en50221_app_auth auth,
+ uint8_t slot_id,
+ uint16_t session_number,
+ uint32_t resource_id,
+ uint8_t *data, uint32_t data_length)
+{
+ struct en50221_app_auth_private *private = (struct en50221_app_auth_private *) auth;
+ (void) resource_id;
+
+ // get the tag
+ if (data_length < 3) {
+ print(LOG_LEVEL, ERROR, 1, "Received short data\n");
+ return -1;
+ }
+ uint32_t tag = (data[0] << 16) | (data[1] << 8) | data[2];
+
+ switch(tag)
+ {
+ case TAG_AUTH_REQ:
+ return en50221_app_auth_parse_request(private, slot_id, session_number, data+3, data_length-3);
+ }
+
+ print(LOG_LEVEL, ERROR, 1, "Received unexpected tag %x\n", tag);
+ return -1;
+}
+
+
+
+static int en50221_app_auth_parse_request(struct en50221_app_auth_private *private,
+ uint8_t slot_id, uint16_t session_number,
+ uint8_t *data, uint32_t data_length)
+{
+ // first of all, decode the length field
+ uint16_t asn_data_length;
+ int length_field_len;
+ if ((length_field_len = asn_1_decode(&asn_data_length, data, data_length)) < 0) {
+ print(LOG_LEVEL, ERROR, 1, "ASN.1 decode error\n");
+ return -1;
+ }
+
+ // check it
+ if (asn_data_length < 2) {
+ print(LOG_LEVEL, ERROR, 1, "Received short data\n");
+ return -1;
+ }
+ if (asn_data_length > (data_length-length_field_len)) {
+ print(LOG_LEVEL, ERROR, 1, "Received short data\n");
+ return -1;
+ }
+ uint8_t *auth_data = data + length_field_len;
+
+ // process it
+ uint16_t auth_protocol_id = (auth_data[0]<<8) | auth_data[1];
+
+ // tell the app
+ pthread_mutex_lock(&private->lock);
+ en50221_app_auth_request_callback cb = private->callback;
+ void *cb_arg = private->callback_arg;
+ pthread_mutex_unlock(&private->lock);
+ if (cb) {
+ return cb(cb_arg, slot_id, session_number, auth_protocol_id, auth_data+2, asn_data_length-2);
+ }
+ return 0;
+}