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acp: implement bad media transport format

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This commit is contained in:
Milanka Ringwald 2017-01-03 12:29:08 +01:00
parent a1242ad483
commit aa0799ab6c
1 changed files with 60 additions and 13 deletions
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73
test/avdtp/avdtp_acceptor.c
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@ -93,31 +93,83 @@ static int avdtp_pack_service_capabilities(uint8_t * buffer, int size, avdtp_cap
return pos;
}
static uint16_t avdtp_unpack_service_capabilities(avdtp_connection_t * connection, avdtp_capabilities_t * caps, uint8_t * packet, uint16_t size){
uint16_t registered_service_categories = 0;
int pos = 0;
avdtp_service_category_t category = (avdtp_service_category_t)packet[pos++];
static int avdtp_unpack_service_capabilities_has_errors(avdtp_connection_t * connection, avdtp_service_category_t category, uint8_t cap_len){
connection->error_code = 0;
if (category < AVDTP_MEDIA_TRANSPORT || category > AVDTP_DELAY_REPORTING){
printf(" ACP: BAD SERVICE CATEGORY %d\n", category);
connection->reject_service_category = category;
connection->error_code = BAD_SERV_CATEGORY;
return 0;
return 1;
}
if (connection->signaling_packet.signal_identifier == AVDTP_SI_RECONFIGURE){
if (category != AVDTP_CONTENT_PROTECTION && category != AVDTP_MEDIA_CODEC){
printf(" ACP: REJECT CATEGORY, INVALID_CAPABILITIES\n");
connection->reject_service_category = category;
connection->error_code = INVALID_CAPABILITIES;
return 1;
}
}
switch(category){
case AVDTP_MEDIA_TRANSPORT:
if (cap_len != 0){
printf(" ACP: REJECT CATEGORY, BAD_MEDIA_TRANSPORT\n");
connection->reject_service_category = category;
connection->error_code = BAD_MEDIA_TRANSPORT_FORMAT;
return 1;
}
break;
case AVDTP_REPORTING:
case AVDTP_DELAY_REPORTING:
if (cap_len != 0){
printf(" ACP: REJECT CATEGORY, BAD_LENGTH\n");
connection->reject_service_category = category;
connection->error_code = BAD_LENGTH;
return 1;
}
break;
case AVDTP_RECOVERY:
if (cap_len < 3){
printf(" ACP: REJECT CATEGORY, BAD_MEDIA_TRANSPORT\n");
connection->reject_service_category = category;
connection->error_code = BAD_RECOVERY_FORMAT;
return 1;
}
break;
case AVDTP_CONTENT_PROTECTION:
if (cap_len < 2){
connection->reject_service_category = category;
connection->error_code = BAD_CP_FORMAT;
return 1;
}
break;
case AVDTP_HEADER_COMPRESSION:
break;
case AVDTP_MULTIPLEXING:
break;
case AVDTP_MEDIA_CODEC:
break;
default:
break;
}
return 0;
}
static uint16_t avdtp_unpack_service_capabilities(avdtp_connection_t * connection, avdtp_capabilities_t * caps, uint8_t * packet, uint16_t size){
uint16_t registered_service_categories = 0;
int pos = 0;
int i;
avdtp_service_category_t category = (avdtp_service_category_t)packet[pos++];
uint8_t cap_len = packet[pos++];
if (avdtp_unpack_service_capabilities_has_errors(connection, category, cap_len)) return 0;
printf(" avdtp_unpack_service_capabilities category %d, len %d\n", category, cap_len);
int processed_cap_len = 0;
while (pos < size){
processed_cap_len = pos;
switch(category){
case AVDTP_MEDIA_TRANSPORT:
case AVDTP_MEDIA_TRANSPORT:
break;
case AVDTP_REPORTING:
break;
@ -129,12 +181,6 @@ static uint16_t avdtp_unpack_service_capabilities(avdtp_connection_t * connectio
caps->recovery.maximum_number_media_packets = packet[pos++];
break;
case AVDTP_CONTENT_PROTECTION:
if (cap_len < 2){
connection->reject_service_category = category;
connection->error_code = BAD_CP_FORMAT;
return 0;
}
caps->content_protection.cp_type = big_endian_read_16(packet, pos);
pos+=2;
@ -177,6 +223,7 @@ static uint16_t avdtp_unpack_service_capabilities(avdtp_connection_t * connectio
if (cap_len <= processed_cap_len && pos < size-2){
category = (avdtp_service_category_t)packet[pos++];
cap_len = packet[pos++];
if (avdtp_unpack_service_capabilities_has_errors(connection, category, cap_len)) return 0;
}
}
return registered_service_categories;
@ -256,7 +303,7 @@ int avdtp_acceptor_stream_config_subsm(avdtp_connection_t * connection, avdtp_st
sep.in_use = 1;
if (connection->error_code){
// fire capabilities parsing errors
printf("fire capabilities parsing errors \n");
connection->reject_signal_identifier = connection->signaling_packet.signal_identifier;
stream_endpoint->acceptor_config_state = AVDTP_ACCEPTOR_W2_REJECT_CATEGORY_WITH_ERROR_CODE;
break;