Return-Path: From: Waldemar Rymarkiewicz To: CC: Marcel Holtmann , , Waldemar Rymarkiewicz Subject: [PATCH 3/4] Sim Access Profile Server Date: Wed, 20 Oct 2010 14:11:20 +0200 Message-ID: <1287576681-12669-3-git-send-email-waldemar.rymarkiewicz@tieto.com> In-Reply-To: <1287576681-12669-1-git-send-email-waldemar.rymarkiewicz@tieto.com> References: <1287576681-12669-1-git-send-email-waldemar.rymarkiewicz@tieto.com> MIME-Version: 1.0 Content-Type: text/plain List-ID: Add a Sim Access Server to the SAP plugin and a framework for the dummy sap driver as well. --- Makefile.am | 3 +- sap/sap-dummy.c | 85 ++++ sap/sap.h | 187 +++++++ sap/server.c | 1476 ++++++++++++++++++++++++++++++++++++++++++++++++++++++- 4 files changed, 1745 insertions(+), 6 deletions(-) create mode 100644 sap/sap-dummy.c create mode 100644 sap/sap.h diff --git a/Makefile.am b/Makefile.am index 4c91469..0facbe2 100644 --- a/Makefile.am +++ b/Makefile.am @@ -146,7 +146,8 @@ if SAPPLUGIN builtin_modules += sap builtin_sources += sap/main.c \ sap/manager.h sap/manager.c \ - sap/server.h sap/server.c + sap/server.h sap/server.c \ + sap/sap.h sap/sap-dummy.c endif if INPUTPLUGIN diff --git a/sap/sap-dummy.c b/sap/sap-dummy.c new file mode 100644 index 0000000..e04660f --- /dev/null +++ b/sap/sap-dummy.c @@ -0,0 +1,85 @@ +/* + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2010 ST-Ericsson SA + * + * Author: Waldemar Rymarkiewicz for ST-Ericsson + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "log.h" +#include "sap.h" + +void sap_connect_req(void *sap_device, uint16_t maxmsgsize) +{ + sap_connect_rsp(sap_device, SAP_STATUS_OK, maxmsgsize); + sap_status_ind(sap_device, SAP_STATUS_CHANGE_CARD_RESET); +} + +void sap_disconnect_req(void *sap_device, uint8_t linkloss) +{ + sap_disconnect_rsp(sap_device); +} + +void sap_transfer_apdu_req(void *sap_device, sap_parameter *param) +{ + sap_transfer_apdu_rsp(sap_device, SAP_RESULT_OK, NULL, 0); +} + +void sap_transfer_atr_req(void * sap_device) +{ + uint8_t atr[] = {0x3b, 0x9a, 0x96, 0x00, 0x92, 0x01, 0x98, 0x93, 0x17, + 0x00, 0x02, 0x28, 0x03, 0x00}; + + sap_transfer_atr_rsp(sap_device, SAP_RESULT_OK, atr, 0x0E); +} + +void sap_power_sim_off_req(void *sap_device) +{ + sap_power_sim_off_rsp(sap_device, SAP_RESULT_OK); +} + +void sap_power_sim_on_req(void *sap_device) +{ + sap_power_sim_on_rsp(sap_device, SAP_RESULT_OK); +} + +void sap_reset_sim_req(void *sap_device) +{ + sap_reset_sim_rsp(sap_device, SAP_RESULT_OK); + sap_status_ind(sap_device, SAP_STATUS_CHANGE_CARD_RESET); +} + +void sap_transfer_card_reader_status_req(void * sap_device) +{ + sap_transfer_card_reader_status_rsp(sap_device, SAP_RESULT_OK, + ICC_READER_CARD_POWERED_ON); +} + +void sap_set_transport_protocol_req(void * sap_device,sap_parameter * param) +{ + sap_transport_protocol_rsp(sap_device, SAP_RESULT_NOT_SUPPORTED); +} + +int sap_init(void) +{ + DBG("SAP driver init."); + return 0; +} + +void sap_exit(void) +{ + DBG("SAP driver exit."); +} diff --git a/sap/sap.h b/sap/sap.h new file mode 100644 index 0000000..a9189fc --- /dev/null +++ b/sap/sap.h @@ -0,0 +1,187 @@ +/* + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2010 ST-Ericsson SA + * Copyright (C) 2010 Claudio Takahasi + * + * Author: Marek Skowron for ST-Ericsson. + * Author: Waldemar Rymarkiewicz for ST-Ericsson. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include + + #define SAP_VERSION 0x0101 + +/* Connection Status - SAP v1.1 section 5.2.2 */ +typedef enum { + SAP_STATUS_OK = 0x00, + SAP_STATUS_CONNECTION_FAILED = 0x01, + SAP_STATUS_MAX_MSG_SIZE_NOT_SUPPORTED = 0x02, + SAP_STATUS_MAX_MSG_SIZE_TOO_SMALL = 0x03, + SAP_STATUS_OK_ONGOING_CALL = 0x04 +} sap_status_t; + +/* Disconnection Type - SAP v1.1 section 5.2.3 */ +typedef enum { + SAP_DISCONNECTION_TYPE_GRACEFUL = 0x00, + SAP_DISCONNECTION_TYPE_IMMEDIATE = 0x01, + SAP_DISCONNECTION_TYPE_CLIENT = 0xFF +} sap_disconnection_type_t; + +/* Result codes - SAP v1.1 section 5.2.4 */ +typedef enum { + SAP_RESULT_OK = 0x00, + SAP_RESULT_ERROR_NO_REASON = 0x01, + SAP_RESULT_ERROR_NOT_ACCESSIBLE = 0x02, + SAP_RESULT_ERROR_POWERED_OFF = 0x03, + SAP_RESULT_ERROR_CARD_REMOVED = 0x04, + SAP_RESULT_ERROR_POWERED_ON = 0x05, + SAP_RESULT_ERROR_NO_DATA = 0x06, + SAP_RESULT_NOT_SUPPORTED = 0x07 +} sap_result_t; + +/* Status Change - SAP v1.1 section 5.2.8 */ +typedef enum { + SAP_STATUS_CHANGE_UNKNOWN_ERROR = 0x00, + SAP_STATUS_CHANGE_CARD_RESET = 0x01, + SAP_STATUS_CHANGE_CARD_NOT_ACCESSIBLE = 0x02, + SAP_STATUS_CHANGE_CARD_REMOVED = 0x03, + SAP_STATUS_CHANGE_CARD_INSERTED = 0x04, + SAP_STATUS_CHANGE_CARD_RECOVERED = 0x05 +} sap_status_change_t; + +/* Message format - SAP v1.1 section 5.1 */ +typedef struct { + uint8_t id; + uint8_t reserved; + uint16_t len; + uint8_t val[0]; + /* + * Padding bytes 0-3 bytes + */ +} __attribute__ ((packed)) sap_parameter; + +typedef struct { + uint8_t id; + uint8_t nparam; + uint16_t reserved; + sap_parameter param[0]; +} __attribute__ ((packed)) sap_message; + + +typedef enum { + ICC_READER_UNSPECIFIED_ERROR, /* No further information available */ + ICC_READER_NOT_PRESENT, /* Card Reader removed or not present */ + ICC_READER_BUSY, /* Card Reader in use */ + ICC_READER_CARD_POWERED_ON, /* Card in reader and is powered on */ + ICC_READER_DEACTIVATED, /* Card Reader deactivated */ + ICC_READER_CARD_POWERED_OFF, /* Card in reader, but powered off */ + ICC_READER_NO_CARD, /* No card in reader */ + ICC_READER_LAST +} icc_reader_status_t; + + +#define SAP_BUF_SIZE 512 + +#define SAP_MSG_HEADER_SIZE 4 + +typedef enum { + SAP_CONNECT_REQ = 0x00, + SAP_CONNECT_RESP = 0x01, + SAP_DISCONNECT_REQ = 0x02, + SAP_DISCONNECT_RESP = 0x03, + SAP_DISCONNECT_IND = 0x04, + SAP_TRANSFER_APDU_REQ = 0x05, + SAP_TRANSFER_APDU_RESP = 0x06, + SAP_TRANSFER_ATR_REQ = 0x07, + SAP_TRANSFER_ATR_RESP = 0x08, + SAP_POWER_SIM_OFF_REQ = 0x09, + SAP_POWER_SIM_OFF_RESP = 0x0A, + SAP_POWER_SIM_ON_REQ = 0x0B, + SAP_POWER_SIM_ON_RESP = 0x0C, + SAP_RESET_SIM_REQ = 0x0D, + SAP_RESET_SIM_RESP = 0x0E, + SAP_TRANSFER_CARD_READER_STATUS_REQ = 0x0F, + SAP_TRANSFER_CARD_READER_STATUS_RESP = 0x10, + SAP_STATUS_IND = 0x11, + SAP_ERROR_RESP = 0x12, + SAP_SET_TRANSPORT_PROTOCOL_REQ = 0x13, + SAP_SET_TRANSPORT_PROTOCOL_RESP = 0x14, +} sap_protocol; + +/* Parameters Ids - SAP 1.1 section 5.2 */ +#define SAP_PARAM_ID_MAX_MSG_SIZE 0x00 +#define SAP_PARAM_ID_MAX_MSG_SIZE_LEN 0x02 + +#define SAP_PARAM_ID_CONN_STATUS 0x01 +#define SAP_PARAM_ID_CONN_STATUS_LEN 0x01 + +#define SAP_PARAM_ID_RESULT_CODE 0x02 +#define SAP_PARAM_ID_RESULT_CODE_LEN 0x01 + +#define SAP_PARAM_ID_DISCONNECT_IND 0x03 +#define SAP_PARAM_ID_DISCONNECT_IND_LEN 0x01 + +#define SAP_PARAM_ID_COMMAND_APDU 0x04 +#define SAP_PARAM_ID_RESPONSE_APDU 0x05 +#define SAP_PARAM_ID_ATR 0x06 + +#define SAP_PARAM_ID_CARD_READER_STATUS 0x07 +#define SAP_PARAM_ID_CARD_READER_STATUS_LEN 0x01 + +#define SAP_PARAM_ID_STATUS_CHANGE 0x08 +#define SAP_PARAM_ID_STATUS_CHANGE_LEN 0x01 + +#define SAP_PARAM_ID_TRANSPORT_PROTOCOL 0x09 +#define SAP_PARAM_ID_TRANSPORT_PROTOCOL_LEN 0x01 + +#define SAP_PARAM_ID_COMMAND_APDU7816 0x10 + +/* Transport Protocol - SAP v1.1 section 5.2.9 */ +#define SAP_TRANSPORT_PROTOCOL_T0 0x00 +#define SAP_TRANSPORT_PROTOCOL_T1 0x01 + +/*SAP driver init and exit routines. Implemented by sap-*.c */ +int sap_init(void); +void sap_exit(void); + +/* SAP requests implemented by sap-*.c */ +void sap_connect_req(void *sap_device, uint16_t maxmsgsize); +void sap_disconnect_req(void *sap_device, uint8_t linkloss); +void sap_transfer_apdu_req(void *sap_device, sap_parameter *param); +void sap_transfer_atr_req(void *sap_device); +void sap_power_sim_off_req(void *sap_device); +void sap_power_sim_on_req(void *sap_device); +void sap_reset_sim_req(void *sap_device); +void sap_transfer_card_reader_status_req(void *sap_device); +void sap_set_transport_protocol_req(void *sap_device, sap_parameter *param); + +/*SAP responses to SAP requests. Implemented by server.c */ +int sap_connect_rsp(void *sap_device, sap_status_t status, uint16_t maxmsgsize); +int sap_disconnect_rsp(void *sap_device); +int sap_transfer_apdu_rsp(void *sap_device, sap_result_t result, uint8_t *sap_apdu_resp, uint16_t length); +int sap_transfer_atr_rsp(void *sap_device, sap_result_t result, uint8_t *sap_atr, uint16_t length); +int sap_power_sim_off_rsp(void *sap_device, sap_result_t result); +int sap_power_sim_on_rsp(void *sap_device, sap_result_t result); +int sap_reset_sim_rsp(void *sap_device, sap_result_t result); +int sap_transfer_card_reader_status_rsp(void *sap_device, sap_result_t result, icc_reader_status_t status); +int sap_error_rsp(void *sap_device); +int sap_transport_protocol_rsp(void *sap_device, sap_result_t result); + +/* Event indication. Implemented by server.c*/ +int sap_status_ind(void *sap_device, sap_status_change_t status_change); + diff --git a/sap/server.c b/sap/server.c index 2728778..5683e66 100644 --- a/sap/server.c +++ b/sap/server.c @@ -2,7 +2,9 @@ * BlueZ - Bluetooth protocol stack for Linux * * Copyright (C) 2010 ST-Ericsson SA + * Copyright (C) 2010 Claudio Takahasi * + * Author: Marek Skowron for ST-Ericsson. * Author: Waldemar Rymarkiewicz for ST-Ericsson. * * This program is free software; you can redistribute it and/or modify @@ -19,30 +21,1494 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#include "bluetooth.h" +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#include +#include +#include + +#include "adapter.h" +#include "btio.h" +#include "sdpd.h" #include "log.h" +#include "error.h" +#include "dbus-common.h" +#include "sap.h" #include "server.h" +#define SAP_SERVER_INTERFACE "org.bluez.SimAccess" +#define SAP_UUID "0000112D-0000-1000-8000-00805F9B34FB" +#define SAP_SERVER_CHANNEL 8 +#define SAP_BUF_SIZE 512 + +#define PADDING4(x) (4 - (x & 0x03)) +#define PARAMETER_SIZE(x) (sizeof(sap_parameter) + x + PADDING4(x)) + +#define SAP_NO_REQ 0xFF + +#define SAP_TIMER_GRACEFUL_DISCONNECT 30 +#define SAP_TIMER_NO_ACTIVITY 30 + +typedef enum { + SAP_STATE_DISCONNECTED, + SAP_STATE_CONNECT_IN_PROGRESS, + SAP_STATE_CONNECTED, + SAP_STATE_GRACEFUL_DISCONNECT, + SAP_STATE_IMMEDIATE_DISCONNECT, + SAP_STATE_CLIENT_DISCONNECT +} sap_state_t; + +struct sap_server { + bdaddr_t src; + char *path; + gboolean enable; + uint32_t record_id; + GIOChannel *listen_io; + GIOChannel *io; /* Connected client channel.*/ + sap_state_t state; + uint8_t processing_req; + guint timer_id; +}; + +static DBusConnection *connection = NULL; + +static void connect_req(void *data, sap_parameter *param); +static int disconnect_req(void *data, sap_disconnection_type_t disc_type); +static void transfer_apdu_req(void *data, sap_parameter *param); +static void transfer_atr_req(void *data); +static void power_sim_off_req(void *data); +static void power_sim_on_req(void *data); +static void reset_sim_req(void *data); +static void transfer_card_reader_status_req(void *data); +static void set_transport_protocol_req(void *data, sap_parameter *param); +static int disconnect_ind(void *sap_device, sap_disconnection_type_t type); + +static gsize add_result_parameter(sap_result_t result, sap_parameter *param); + +static int is_power_sim_off_req_allowed(uint8_t processing_req); +static int is_reset_sim_req_allowed(uint8_t processing_req); + +static int check_msg(sap_message *msg); + +static void start_guard_timer(struct sap_server *server, guint interval); +static void stop_guard_timer(struct sap_server *server); +static gboolean guard_timeout(gpointer data); + +static gsize add_result_parameter(sap_result_t result, sap_parameter *param) +{ + param->id = SAP_PARAM_ID_RESULT_CODE; + param->len = htons(SAP_PARAM_ID_RESULT_CODE_LEN); + *param->val = (uint8_t) result; + return PARAMETER_SIZE(SAP_PARAM_ID_RESULT_CODE_LEN); +} + + +static inline int is_power_sim_off_req_allowed(uint8_t processing_req) +{ + switch(processing_req) { + case SAP_NO_REQ: + case SAP_TRANSFER_APDU_REQ: + case SAP_TRANSFER_ATR_REQ: + case SAP_POWER_SIM_ON_REQ: + case SAP_RESET_SIM_REQ: + case SAP_TRANSFER_CARD_READER_STATUS_REQ: + return 1; + default: + return 0; + } +} + +static inline int is_reset_sim_req_allowed(uint8_t processing_req) +{ + switch(processing_req) { + case SAP_NO_REQ: + case SAP_TRANSFER_APDU_REQ: + case SAP_TRANSFER_ATR_REQ: + case SAP_TRANSFER_CARD_READER_STATUS_REQ: + return 1; + default: + return 0; + } +} + +static int check_msg(sap_message *msg) +{ + if(!msg) + return -EFAULT; + + switch(msg->id) { + case SAP_CONNECT_REQ: + if (msg->nparam == 0x01 && + msg->param->id == SAP_PARAM_ID_MAX_MSG_SIZE && + ntohs(msg->param->len) == SAP_PARAM_ID_MAX_MSG_SIZE_LEN) + return 0; + break; + case SAP_TRANSFER_APDU_REQ: + if (msg->nparam == 0x01 && + (msg->param->id == SAP_PARAM_ID_COMMAND_APDU || + msg->param->id == SAP_PARAM_ID_COMMAND_APDU7816) && + msg->param->len != 0x00) + return 0; + break; + case SAP_SET_TRANSPORT_PROTOCOL_REQ: + if (msg->nparam == 0x01 && + msg->param->id == SAP_PARAM_ID_TRANSPORT_PROTOCOL && + ntohs(msg->param->len) == SAP_PARAM_ID_TRANSPORT_PROTOCOL_LEN && + (*msg->param->val == SAP_TRANSPORT_PROTOCOL_T0 || + *msg->param->val == SAP_TRANSPORT_PROTOCOL_T1)) + return 0; + break; + case SAP_DISCONNECT_REQ: + case SAP_TRANSFER_ATR_REQ: + case SAP_POWER_SIM_OFF_REQ: + case SAP_POWER_SIM_ON_REQ: + case SAP_RESET_SIM_REQ: + case SAP_TRANSFER_CARD_READER_STATUS_REQ: + if (msg->nparam == 0x00) + return 0; + break; + } + + error("Invalid message"); + return -EBADMSG; +} + + +static void start_guard_timer(struct sap_server *server, guint interval) +{ + if(!server) + return; + + if (!server->timer_id) + server->timer_id = g_timeout_add_seconds(interval, + guard_timeout, server); + else + error("Timer is already active."); +} + +static void stop_guard_timer(struct sap_server *server) +{ + if (server && server->timer_id) { + g_source_remove(server->timer_id); + server->timer_id = 0; + } +} + +static gboolean guard_timeout(gpointer data) +{ + struct sap_server *server = data; + + if (!server) + return FALSE; + + DBG("guard_timeout: state: %x pr %x", server->state, + server->processing_req); + + server->timer_id = 0; + + switch(server->state) { + case SAP_STATE_DISCONNECTED: + /* Client opened RFCOMM channel but didn't send CONNECT_REQ, + * in fixed time or client disconnected SAP connection but + * didn't closed RFCOMM channel in fixed time.*/ + if (server->io) + g_io_channel_shutdown(server->io, TRUE, NULL); + break; + case SAP_STATE_GRACEFUL_DISCONNECT: + /* Client didn't disconnect SAP connection in fixed time, + * so close SAP connection immediately. */ + disconnect_req(server, SAP_DISCONNECTION_TYPE_IMMEDIATE); + break; + default: + error("guard_timeout: Unexpected state."); + break; + } + + return FALSE; +} + +static sdp_record_t *create_sap_record(uint8_t channel) +{ + sdp_list_t *apseq, *aproto, *profiles, *proto[2], *root, *svclass_id; + uuid_t sap_uuid, gt_uuid, root_uuid, l2cap, rfcomm; + sdp_profile_desc_t profile; + sdp_record_t *record; + sdp_data_t *ch; + + record = sdp_record_alloc(); + if (!record) + return NULL; + + root = sdp_list_append(NULL, &root_uuid); + sdp_set_browse_groups(record, root); + sdp_list_free(root, NULL); + + sdp_uuid16_create(&sap_uuid, SAP_SVCLASS_ID); + svclass_id = sdp_list_append(NULL, &sap_uuid); + sdp_uuid16_create(>_uuid, GENERIC_TELEPHONY_SVCLASS_ID); + svclass_id = sdp_list_append(svclass_id, >_uuid); + + sdp_set_service_classes(record, svclass_id); + sdp_list_free(svclass_id, NULL); + + sdp_uuid16_create(&profile.uuid, SAP_PROFILE_ID); + profile.version = SAP_VERSION; + profiles = sdp_list_append(NULL, &profile); + sdp_set_profile_descs(record, profiles); + sdp_list_free(profiles, NULL); + + sdp_uuid16_create(&l2cap, L2CAP_UUID); + proto[0] = sdp_list_append(NULL, &l2cap); + apseq = sdp_list_append(NULL, proto[0]); + + sdp_uuid16_create(&rfcomm, RFCOMM_UUID); + proto[1] = sdp_list_append(NULL, &rfcomm); + ch = sdp_data_alloc(SDP_UINT8, &channel); + proto[1] = sdp_list_append(proto[1], ch); + apseq = sdp_list_append(apseq, proto[1]); + + aproto = sdp_list_append(NULL, apseq); + sdp_set_access_protos(record, aproto); + + sdp_set_info_attr(record, "SIM Access Server", + NULL, NULL); + + sdp_data_free(ch); + 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 int send_message(struct sap_server *server, gchar *buf, gssize size) +{ + gsize written = 0; + GError *gerr = NULL; + GIOStatus gstatus; + + if(!server || !buf) + return -1; + + DBG("send_message: size=%x",(unsigned int)size); + + gstatus = g_io_channel_write_chars(server->io, buf, size, &written, &gerr); + + if (gstatus != G_IO_STATUS_NORMAL) { + if (gerr) + g_error_free(gerr); + + error("send_message:write error (%d)", gstatus); + return -1; + } + if(written != (gsize)size) { + error("send_message:write error. written %d size %d", written, size); + } + DBG("send_message: written=%x",(unsigned int)written); + return 0; +} + +static void connect_req(void *data, sap_parameter *param) +{ + struct sap_server *server = data; + uint16_t maxmsgsize, *val; + + if(!server || !param) + goto error_rsp; + + if (server->state != SAP_STATE_DISCONNECTED) + goto error_rsp; + + stop_guard_timer(server); + + val = (uint16_t *) ¶m->val; + maxmsgsize = ntohs(*val); + + DBG("Connect MaxMsgSize: 0x%04X(%d)", maxmsgsize, maxmsgsize); + + server->state = SAP_STATE_CONNECT_IN_PROGRESS; + + if (maxmsgsize <= SAP_BUF_SIZE){ + server->processing_req = SAP_CONNECT_REQ; + sap_connect_req(server, maxmsgsize); + }else{ + sap_connect_rsp(server, SAP_STATUS_MAX_MSG_SIZE_NOT_SUPPORTED, + SAP_BUF_SIZE); + } + + return; + +error_rsp: + error("Wrong state (state %x pr %x)", server->state, + server->processing_req); + sap_error_rsp(data); +} + +static int disconnect_req(void *data, sap_disconnection_type_t disc_type) +{ + struct sap_server *server = data; + + if(!server) + goto error_rsp; + + DBG("disconnect_req: type 0x%x state %d", disc_type, server->state); + + switch(disc_type) { + case SAP_DISCONNECTION_TYPE_GRACEFUL: + + if (server->state == SAP_STATE_DISCONNECTED || + server->state == SAP_STATE_CONNECT_IN_PROGRESS) + goto error_req; + + if (server->state == SAP_STATE_CONNECTED) { + server->state = SAP_STATE_GRACEFUL_DISCONNECT; + server->processing_req = SAP_NO_REQ; + disconnect_ind(server, disc_type); + + /* Start guard timer - timer will disconnect connection + * if client doesn't do it. */ + start_guard_timer(server, SAP_TIMER_GRACEFUL_DISCONNECT); + + return 0; + } + /* Disconnection is ongoing - do nothing. */ + return 0; + + case SAP_DISCONNECTION_TYPE_IMMEDIATE: + + if (server->state == SAP_STATE_DISCONNECTED || + server->state == SAP_STATE_CONNECT_IN_PROGRESS) + goto error_req; + + if (server->state == SAP_STATE_CONNECTED || + server->state == SAP_STATE_GRACEFUL_DISCONNECT) { + server->state = SAP_STATE_IMMEDIATE_DISCONNECT; + server->processing_req = SAP_NO_REQ; + + stop_guard_timer(server); + + disconnect_ind(server, disc_type); + sap_disconnect_req(server, 0); + + return 0; + } + /* Disconnection is ongoing - do nothing. */ + return 0; + + case SAP_DISCONNECTION_TYPE_CLIENT: + + if (server->state != SAP_STATE_CONNECTED && + server->state != SAP_STATE_GRACEFUL_DISCONNECT) + goto error_rsp; + + server->state = SAP_STATE_CLIENT_DISCONNECT; + server->processing_req = SAP_NO_REQ; + + stop_guard_timer(server); + + sap_disconnect_req(server, 0); + + return 0; + + default: + error("Unknown disconnection type (type %x).", disc_type); + return -EINVAL; + } + +error_rsp: + sap_error_rsp(server); +error_req: + error("Wrong state (state %x pr %x)", server->state, + server->processing_req); + return -EPERM; +} + +static void transfer_apdu_req(void * data, sap_parameter * param) +{ + struct sap_server *server = data; + + if(!server || !param) + goto error_rsp; + + param->len = ntohs(param->len); + + DBG("transfer_apdu_req: data %p state %d", data, server->state); + DBG("transfer_apdu_req: apdu param id %d val %s len %d ", + param->id, param->val, param->len); + + if (server->state != SAP_STATE_CONNECTED && + server->state != SAP_STATE_GRACEFUL_DISCONNECT) + goto error_rsp; + + if (server->processing_req != SAP_NO_REQ) + goto error_rsp; + + server->processing_req = SAP_TRANSFER_APDU_REQ; + sap_transfer_apdu_req(server, param); + + return; + +error_rsp: + error("Wrong state (state %x pr %x)", server->state, + server->processing_req); + sap_error_rsp(server); +} + + +static void transfer_atr_req(void * data) +{ + struct sap_server *server = data; + + if(!server) + goto error_rsp; + + DBG("transfer_atr_req: data %p state %d", data, server->state); + + if (server->state != SAP_STATE_CONNECTED) + goto error_rsp; + + if (server->processing_req != SAP_NO_REQ) + goto error_rsp; + + server->processing_req = SAP_TRANSFER_ATR_REQ; + sap_transfer_atr_req(server); + + return; + +error_rsp: + error("Wrong state (state %x pr %x)", server->state, + server->processing_req); + sap_error_rsp(server); +} + + +static void power_sim_off_req(void *data) +{ + struct sap_server *server = data; + + if(!server) + goto error_rsp; + + DBG("power_sim_off_req: data %p state %d", data, server->state); + + if (server->state != SAP_STATE_CONNECTED) + goto error_rsp; + + if (!is_power_sim_off_req_allowed(server->processing_req)) + goto error_rsp; + + server->processing_req = SAP_POWER_SIM_OFF_REQ; + sap_power_sim_off_req(server); + + return; + +error_rsp: + error("Wrong state (state %x pr %x)", server->state, + server->processing_req); + sap_error_rsp(server); +} + +static void power_sim_on_req(void *data) +{ + struct sap_server *server = data; + + if(!server) + goto error_rsp; + + DBG("power_sim_on_req: data %p state %d", data, server->state); + + if (server->state != SAP_STATE_CONNECTED) + goto error_rsp; + + if (server->processing_req != SAP_NO_REQ) + goto error_rsp; + + server->processing_req = SAP_POWER_SIM_ON_REQ; + sap_power_sim_on_req(server); + + return; + +error_rsp: + error("Wrong state (state %x pr %x)", server->state, + server->processing_req); + sap_error_rsp(server); +} + +static void reset_sim_req(void *data) +{ + struct sap_server *server = data; + + if(!server) + goto error_rsp; + + DBG("reset_sim_req: data %p state %d", data, server->state); + + if (server->state != SAP_STATE_CONNECTED) + goto error_rsp; + + if (!is_reset_sim_req_allowed(server->processing_req)) + goto error_rsp; + + server->processing_req = SAP_RESET_SIM_REQ; + sap_reset_sim_req(server); + + return; + +error_rsp: + error("Wrong state (state %x pr %x)", server->state, + server->processing_req); + sap_error_rsp(server); +} + +static void transfer_card_reader_status_req(void * data) +{ + struct sap_server *server = data; + + if(!server) + goto error_rsp; + + DBG("transfer_card_reader_status_req: data %p state %d", + data, server->state); + + if (server->state != SAP_STATE_CONNECTED) + goto error_rsp; + + if (server->processing_req != SAP_NO_REQ) + goto error_rsp; + + server->processing_req = SAP_TRANSFER_CARD_READER_STATUS_REQ; + sap_transfer_card_reader_status_req(server); + + return; + +error_rsp: + error("Wrong state (state %x pr %x)", server->state, + server->processing_req); + sap_error_rsp(server); +} + +static void set_transport_protocol_req(void *data, sap_parameter *param) +{ + struct sap_server *server = data; + + if(!server || !param) + goto error_rsp; + + DBG("set_transport_protocol_req: data %p state %d param %p", + data, server->state, param); + + if (server->state != SAP_STATE_CONNECTED) + goto error_rsp; + + if (server->processing_req != SAP_NO_REQ) + goto error_rsp; + + server->processing_req = SAP_SET_TRANSPORT_PROTOCOL_REQ; + sap_set_transport_protocol_req(server, param); + + return; + +error_rsp: + error("Wrong state (state %x pr %x)", server->state, + server->processing_req); + sap_error_rsp(server); +} + +static int disconnect_ind(void *sap_device, sap_disconnection_type_t type) +{ + struct sap_server *server = sap_device; + gchar buf[SAP_BUF_SIZE]; + sap_message *msg = (sap_message *) buf; + sap_parameter *param = (sap_parameter *) msg->param; + gsize size = sizeof(sap_message); + + if(!server) + return -1; + + DBG("disconnect_ind: data %p state %d disc_type %d", + server, server->state, type); + + if (server->state != SAP_STATE_GRACEFUL_DISCONNECT && + server->state != SAP_STATE_IMMEDIATE_DISCONNECT) + goto error_ind; + + memset(buf, 0, sizeof(buf)); + msg->id = SAP_DISCONNECT_IND; + msg->nparam = 0x01; + + /* Add disconnection type. */ + param->id = SAP_PARAM_ID_DISCONNECT_IND; + param->len = htons(SAP_PARAM_ID_DISCONNECT_IND_LEN); + *param->val = (uint8_t) type; + size += PARAMETER_SIZE(SAP_PARAM_ID_DISCONNECT_IND_LEN); + + return send_message(sap_device, buf, size); + +error_ind: + error("Wrong state (state %x pr %x)", server->state, + server->processing_req); + return -EPERM; +} + +int sap_connect_rsp(void *sap_device, sap_status_t status, uint16_t maxmsgsize) +{ + struct sap_server *server = sap_device; + gchar buf[SAP_BUF_SIZE]; + sap_message *msg = (sap_message *) buf; + sap_parameter *param = (sap_parameter *) msg->param; + gsize size = sizeof(sap_message); + + if(!server) + return -1; + + DBG("sap_connect_rsp: state %x pr %x status %x", server->state, + server->processing_req, status); + + if (server->state != SAP_STATE_CONNECT_IN_PROGRESS) { + return -EPERM; + } + + memset(buf, 0, sizeof(buf)); + msg->id = SAP_CONNECT_RESP; + msg->nparam = 0x01; + + /* Add connection status */ + param->id = SAP_PARAM_ID_CONN_STATUS; + param->len = htons(SAP_PARAM_ID_CONN_STATUS_LEN); + *param->val = (uint8_t)status; + size += PARAMETER_SIZE(SAP_PARAM_ID_CONN_STATUS_LEN); + + /* Add MaxMsgSize */ + if (maxmsgsize && (status == SAP_STATUS_MAX_MSG_SIZE_NOT_SUPPORTED || + status == SAP_STATUS_MAX_MSG_SIZE_TOO_SMALL)) { + uint16_t *len; + msg->nparam++; + /* Skip the first param */ + param = (sap_parameter *) &buf[size]; + param->id = SAP_PARAM_ID_MAX_MSG_SIZE; + param->len = htons(SAP_PARAM_ID_MAX_MSG_SIZE_LEN); + len = (uint16_t *) ¶m->val; + *len = htons(maxmsgsize); + size += PARAMETER_SIZE(SAP_PARAM_ID_MAX_MSG_SIZE_LEN); + } + + if (status == SAP_STATUS_OK) { + gboolean connected = TRUE; + emit_property_changed(connection, server->path, SAP_SERVER_INTERFACE, + "Connected", DBUS_TYPE_BOOLEAN, &connected); + + server->state = SAP_STATE_CONNECTED; + } else { + server->state = SAP_STATE_DISCONNECTED; + + /* Timer will shutdown channel if client doesn't send + * CONNECT_REQ or doesn't shutdown channel itself.*/ + start_guard_timer(server, SAP_TIMER_NO_ACTIVITY); + } + + server->processing_req = SAP_NO_REQ; + return send_message(sap_device, buf, size); +} + +int sap_disconnect_rsp(void *sap_device) +{ + struct sap_server *server = sap_device; + sap_message msg = {0}; + + if(!server) + return -1; + + DBG("sap_disconnect_rsp: state %x pr %x", server->state, + server->processing_req); + + switch(server->state) { + case SAP_STATE_CLIENT_DISCONNECT: + msg.id = SAP_DISCONNECT_RESP; + + server->state = SAP_STATE_DISCONNECTED; + server->processing_req = SAP_NO_REQ; + + /* Timer will close channel if client doesn't do it.*/ + start_guard_timer(server, SAP_TIMER_NO_ACTIVITY); + + return send_message(sap_device, (gchar *) &msg, sizeof(msg)); + + case SAP_STATE_IMMEDIATE_DISCONNECT: + server->state = SAP_STATE_DISCONNECTED; + server->processing_req = SAP_NO_REQ; + + if (server->io) + g_io_channel_shutdown(server->io, TRUE, NULL); + return 0; + default: + break; + } + + return 0; +} + +int sap_transfer_apdu_rsp(void *sap_device, sap_result_t result, uint8_t *apdu, + uint16_t length) +{ + struct sap_server *server = sap_device; + gchar buf[SAP_BUF_SIZE] = {0}; + sap_message *msg = (sap_message *) buf; + sap_parameter *param = (sap_parameter *) msg->param; + gsize size = sizeof(sap_message); + + if(!server) + return -1; + + DBG("sap_transfer_apdu_rsp: state %x pr %x", server->state, + server->processing_req); + + if (server->processing_req != SAP_TRANSFER_APDU_REQ) + /* Ignore this response because processing (state) request + * has been changed. This situation can happen e.g. when + * client sends disconnect request while server is processing + * another request.*/ + return 0; + + if (result == SAP_RESULT_OK && (!apdu || (apdu && length == 0x00))) + return -EINVAL; + + msg->id = SAP_TRANSFER_APDU_RESP; + + /* Add result code */ + msg->nparam = 0x01; + size += add_result_parameter(result, param); + + /* Add APDU response. */ + if (result == SAP_RESULT_OK) { + msg->nparam++; + /* Skipping the first param. */ + param = (sap_parameter *) &buf[size]; + param->id = SAP_PARAM_ID_RESPONSE_APDU; + param->len = htons(length); + + size += PARAMETER_SIZE(length); + if (size > SAP_BUF_SIZE) + return -EOVERFLOW; + + memcpy(param->val, apdu, length); + } + + server->processing_req = SAP_NO_REQ; + return send_message(sap_device, buf, size); +} + +int sap_transfer_atr_rsp(void *sap_device, sap_result_t result, uint8_t *atr, + uint16_t length) +{ + struct sap_server *server = sap_device; + gchar buf[SAP_BUF_SIZE]= {0}; + sap_message *msg = (sap_message *) buf; + sap_parameter *param = (sap_parameter *) msg->param; + gsize size = sizeof(sap_message); + + if(!server) + return -1; + + DBG("sap_transfer_atr_rsp: state %x pr %x", server->state, + server->processing_req); + + if (server->processing_req != SAP_TRANSFER_ATR_REQ) + /* Ignore this response because processing (state) request + * has been changed. This situation can happen e.g. when + * client sends disconnect request while server is processing + * another request.*/ + return 0; + + if (result == SAP_RESULT_OK && (!atr || (atr && length == 0x00))) + return -EINVAL; + + msg->id = SAP_TRANSFER_ATR_RESP; + + /* Add result code */ + msg->nparam = 0x01; + size += add_result_parameter(result, param); + + /* Add ATR response */ + if (result == SAP_RESULT_OK) { + msg->nparam++; + /* Skip the first param */ + param = (sap_parameter *) &buf[size]; + param->id = SAP_PARAM_ID_ATR; + param->len = htons(length); + + size += PARAMETER_SIZE(length); + if (size > SAP_BUF_SIZE) + return -EOVERFLOW; + + memcpy(param->val, atr, length); + } + + server->processing_req = SAP_NO_REQ; + return send_message(sap_device, buf, size); +} + +int sap_power_sim_off_rsp(void *sap_device, sap_result_t result) +{ + struct sap_server *server = sap_device; + gchar buf[SAP_BUF_SIZE] = {0}; + sap_message *msg = (sap_message *) buf; + gsize size = sizeof(sap_message); + + if(!server) + return -1; + + DBG("sap_power_sim_off_rsp: state %x pr %x", server->state, + server->processing_req); + + if (server->processing_req != SAP_POWER_SIM_OFF_REQ) + /* Ignore this response because processing (state) request + * has been changed. This situation can happen e.g. when + * client sends disconnect request while server is processing + * another request.*/ + return 0; + + msg->id = SAP_POWER_SIM_OFF_RESP; + + /* Add result code.*/ + msg->nparam = 0x01; + size += add_result_parameter(result, msg->param); + + server->processing_req = SAP_NO_REQ; + return send_message(sap_device, buf, size); +} + +int sap_power_sim_on_rsp(void *sap_device, sap_result_t result) +{ + struct sap_server *server = sap_device; + gchar buf[SAP_BUF_SIZE] = {0}; + sap_message *msg = (sap_message *) buf; + gsize size = sizeof(sap_message); + + if(!server) + return -1; + + DBG("sap_power_sim_on_rsp: state %x pr %x", server->state, + server->processing_req); + + if (server->processing_req != SAP_POWER_SIM_ON_REQ) + /* Ignore this response because processing (state) request + * has been changed. This situation can happen e.g. when + * client sends disconnect request while server is processing + * another request.*/ + return 0; + + msg->id = SAP_POWER_SIM_ON_RESP; + + /* Add result code */ + msg->nparam = 0x01; + size += add_result_parameter(result, msg->param); + + server->processing_req = SAP_NO_REQ; + return send_message(sap_device, buf, size); +} + +int sap_reset_sim_rsp(void *sap_device, sap_result_t result) +{ + struct sap_server *server = sap_device; + gchar buf[SAP_BUF_SIZE] = {0}; + sap_message *msg = (sap_message *) buf; + gsize size = sizeof(sap_message); + + if(!server) + return -1; + + DBG("sap_reset_sim_rsp: state %x pr %x", server->state, + server->processing_req); + + if (server->processing_req != SAP_RESET_SIM_REQ) + /* Ignore this response because processing (state) request + * has been changed. This situation can happen e.g. when + * client sends disconnect request while server is processing + * another request.*/ + return 0; + + msg->id = SAP_RESET_SIM_RESP; + + /* Add result code */ + msg->nparam = 0x01; + size += add_result_parameter(result, msg->param); + + server->processing_req = SAP_NO_REQ; + return send_message(sap_device, buf, size); +} + +int sap_transfer_card_reader_status_rsp(void *sap_device, sap_result_t result, + icc_reader_status_t status) +{ + struct sap_server *server = sap_device; + gchar buf[SAP_BUF_SIZE] = {0}; + sap_message *msg = (sap_message *) buf; + sap_parameter *param = (sap_parameter *) msg->param; + gsize size = sizeof(sap_message); + + if(!server) + return -1; + + DBG("sap_transfer_card_reader_status_rsp: state %x pr %x", server->state, + server->processing_req); + + if (server->processing_req != SAP_TRANSFER_CARD_READER_STATUS_REQ) + /* Ignore this response because processing (state) request + * has been changed. This situation can happen e.g. when + * client sends disconnect request while server is processing + * another request.*/ + return 0; + + msg->id = SAP_TRANSFER_CARD_READER_STATUS_RESP; + + /* Add result code */ + msg->nparam = 0x01; + size += add_result_parameter(result, param); + + /* Add card reader status. */ + if (result == SAP_RESULT_OK) { + msg->nparam++; + /* Skipp the first param. */ + param = (sap_parameter *) &buf[size]; + param->id = SAP_PARAM_ID_CARD_READER_STATUS; + param->len = htons(SAP_PARAM_ID_CARD_READER_STATUS_LEN); + *param->val = (uint8_t) status; + size += PARAMETER_SIZE(SAP_PARAM_ID_CARD_READER_STATUS_LEN); + } + + server->processing_req = SAP_NO_REQ; + return send_message(sap_device, buf, size); +} + +int sap_transport_protocol_rsp(void *sap_device, sap_result_t result) +{ + struct sap_server *server = sap_device; + gchar buf[SAP_BUF_SIZE] = {0}; + sap_message *msg = (sap_message *) buf; + gsize size = sizeof(sap_message); + + if(!server) + return -1; + + DBG("sap_transport_protocol_rsp: state %x pr %x", server->state, + server->processing_req); + + if (server->processing_req != SAP_SET_TRANSPORT_PROTOCOL_REQ) + /* Ignore this response because processing (state) request + * has been changed. This situation can happen e.g. when + * client sends disconnect request while server is processing + * another request.*/ + return 0; + + msg->id = SAP_SET_TRANSPORT_PROTOCOL_RESP; + + /* Add result code */ + msg->nparam = 0x01; + size += add_result_parameter(result, msg->param); + + server->processing_req = SAP_NO_REQ; + return send_message(sap_device, buf, size); +} + +int sap_error_rsp(void *sap_device) +{ + sap_message msg; + + memset(&msg, 0, sizeof(msg)); + msg.id = SAP_ERROR_RESP; + + return send_message(sap_device, (gchar *) &msg, sizeof(msg)); +} + +int sap_status_ind(void *sap_device, sap_status_change_t status_change) +{ + struct sap_server *server = sap_device; + gchar buf[SAP_BUF_SIZE] = {0}; + sap_message *msg = (sap_message *) buf; + sap_parameter *param = (sap_parameter *) msg->param; + gsize size = sizeof(sap_message); + + if(!server) + return -1; + + DBG("sap_status_ind: state %x pr %x", server->state, + server->processing_req); + + if (server->state != SAP_STATE_CONNECTED && + server->state != SAP_STATE_GRACEFUL_DISCONNECT) + /*Don't propagate status indication if client is not connected */ + return 0; + + msg->id = SAP_STATUS_IND; + msg->nparam = 0x01; + + /* Add status change. */ + param->id = SAP_PARAM_ID_STATUS_CHANGE; + param->len = htons(SAP_PARAM_ID_STATUS_CHANGE_LEN); + *param->val = (uint8_t) status_change; + size += PARAMETER_SIZE(SAP_PARAM_ID_STATUS_CHANGE_LEN); + + return send_message(sap_device, buf, size); +} + +static int handle_cmd(void *data, gchar *buf, gsize size) +{ + sap_message *msg = (sap_message *) buf; + + if (size < sizeof(sap_message)) + goto error_rsp; + + if (msg->nparam != 0 && + size < (sizeof(sap_message) + sizeof(sap_parameter) + 4)) + goto error_rsp; + + if (check_msg(msg) < 0) + goto error_rsp; + + switch(msg->id) { + case SAP_CONNECT_REQ: + DBG("SAP Connect."); + connect_req(data, msg->param); + return 0; + case SAP_DISCONNECT_REQ: + DBG("SAP Disconnect."); + disconnect_req(data, SAP_DISCONNECTION_TYPE_CLIENT); + return 0; + case SAP_TRANSFER_APDU_REQ: + DBG("SAP Transfer APDU."); + transfer_apdu_req(data, msg->param); + return 0; + case SAP_TRANSFER_ATR_REQ: + DBG("SAP Transfer ATR."); + transfer_atr_req(data); + return 0; + case SAP_POWER_SIM_OFF_REQ: + DBG("SAP SIM off."); + power_sim_off_req(data); + return 0; + case SAP_POWER_SIM_ON_REQ: + DBG("SAP SIM on."); + power_sim_on_req(data); + return 0; + case SAP_RESET_SIM_REQ: + DBG("SAP SIM reset."); + reset_sim_req(data); + return 0; + case SAP_TRANSFER_CARD_READER_STATUS_REQ: + DBG("SAP reader status."); + transfer_card_reader_status_req(data); + return 0; + case SAP_SET_TRANSPORT_PROTOCOL_REQ: + DBG("SAP set proto request."); + set_transport_protocol_req(data, msg->param); + return 0; + default: + DBG("SAP unknown message."); + break; + } + +error_rsp: + DBG("SAP ERROR RSP"); + sap_error_rsp(data); + return -EBADMSG; +} + +static gboolean sap_io_cb(GIOChannel *chan, GIOCondition cond, void *data) +{ + gchar buf[SAP_BUF_SIZE]; + gsize bytes_read = 0; + GError *gerr = NULL; + GIOStatus gstatus; + + if (cond & G_IO_NVAL){ + DBG("ERR (G_IO_NVAL) on rfcomm socket."); + return FALSE; + } + + if (cond & G_IO_ERR) { + DBG("ERR (G_IO_ERR) on rfcomm socket."); + return FALSE; + } + + if (cond & G_IO_HUP ) { + DBG("HUP on rfcomm socket."); + return FALSE; + } + + gstatus = g_io_channel_read_chars(chan, buf, sizeof(buf) - 1, + &bytes_read, &gerr); + + if (gstatus != G_IO_STATUS_NORMAL) { + if(gerr) + g_error_free(gerr); + return TRUE; + } + + if (handle_cmd(data, buf, bytes_read) < 0) { + error("Invalid SAP message."); + } + + return TRUE; +} + +static void sap_io_destroy(void *data) +{ + struct sap_server *server = data; + + if (server && server->io) { + gboolean connected = FALSE; + + stop_guard_timer(server); + + g_io_channel_shutdown(server->io, TRUE, NULL); + g_io_channel_unref(server->io); + + server->io = NULL; + + if (server->state != SAP_STATE_CONNECT_IN_PROGRESS) + emit_property_changed(connection, server->path, + SAP_SERVER_INTERFACE,"Connected", + DBUS_TYPE_BOOLEAN, &connected); + + if (server->state == SAP_STATE_CONNECT_IN_PROGRESS || + server->state == SAP_STATE_CONNECTED || + server->state == SAP_STATE_GRACEFUL_DISCONNECT){ + sap_disconnect_req(NULL, 1); + } + + server->state = SAP_STATE_DISCONNECTED; + } +} + +static void sap_connect_cb(GIOChannel *chan, GError *gerr, gpointer data) +{ + struct sap_server *server = data; + + if(!server) + return; + + /* Timer will shutdown the channel in case of lack of client activity */ + start_guard_timer(server, SAP_TIMER_NO_ACTIVITY); + + g_io_add_watch_full(chan, G_PRIORITY_DEFAULT, + G_IO_IN | G_IO_ERR | G_IO_HUP| G_IO_NVAL, + (GIOFunc) sap_io_cb, server, sap_io_destroy); +} + +static void connect_auth_cb(DBusError *derr, void *data) +{ + struct sap_server *server = data; + GError *gerr = NULL; + + if(!server || !server->io) + return; + + if (derr && dbus_error_is_set(derr)) { + error("Access denied: %s", derr->message); + goto drop; + } + + if (!bt_io_accept(server->io, sap_connect_cb, server, NULL, &gerr)) { + error("bt_io_accept: %s", gerr->message); + g_error_free(gerr); + goto drop; + } + return; + +drop: + g_io_channel_shutdown(server->io, TRUE, NULL); + g_io_channel_unref(server->io); + server->io = NULL; +} + +static void connect_confirm_cb(GIOChannel *chan, gpointer data) +{ + struct sap_server *server = data; + GError *gerr = NULL; + bdaddr_t src, dst; + int err; + + if(!chan || !server) + return; + + if (server->io) + goto drop; + + bt_io_get(chan, BT_IO_RFCOMM, &gerr, + BT_IO_OPT_SOURCE_BDADDR, &src, + BT_IO_OPT_DEST_BDADDR, &dst, + BT_IO_OPT_INVALID); + if (gerr) { + error("%s", gerr->message); + g_error_free(gerr); + goto drop; + } + + server->io = g_io_channel_ref(chan); + + err = btd_request_authorization(&src, &dst, SAP_UUID, connect_auth_cb, server); + + if (err < 0) { + DBG("Authorization denied: %s", strerror(err)); + goto drop; + } + + DBG("SAP incoming connection (sock %d) authorization.", g_io_channel_unix_get_fd(chan)); + + return; + +drop: + g_io_channel_shutdown(chan, TRUE, NULL); + if (server->io && server->io == chan) { + g_io_channel_unref(server->io); + server->io = NULL; + } +} + + + +static inline DBusMessage *message_failed(DBusMessage *msg, + const char *description) +{ + return g_dbus_create_error(msg, ERROR_INTERFACE ".Failed", + "%s", description); +} + +static DBusMessage *enable(DBusConnection *conn, + DBusMessage *msg, void *data) +{ + struct sap_server *server = data; + sdp_record_t *record = NULL; + GIOChannel *io = NULL; + GError *gerr = NULL; + + if (!server) + return message_failed(msg, "Server internal error."); + + if (server->enable) + return message_failed(msg, "Server already enabled."); + + record = create_sap_record(SAP_SERVER_CHANNEL); + if (!record) + return message_failed(msg, "Can't create SDP record for SAP."); + + if (add_record_to_server(&server->src, record) < 0) { + sdp_record_free(record); + return message_failed(msg, "SDP record registration failed."); + } + + io = bt_io_listen(BT_IO_RFCOMM, NULL, connect_confirm_cb, server, NULL, &gerr, + BT_IO_OPT_SOURCE_BDADDR, &server->src, + BT_IO_OPT_CHANNEL, SAP_SERVER_CHANNEL, + BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_HIGH, + BT_IO_OPT_MASTER, TRUE, + BT_IO_OPT_INVALID); + if (!io) { + g_error_free(gerr); + sdp_record_free(record); + return message_failed(msg, "Listen rfcomm channel failed."); + } + + DBG("Listen socket %x", g_io_channel_unix_get_fd(io)); + + server->enable = TRUE; + server->record_id = record->handle; + server->listen_io = io; + + emit_property_changed(connection, server->path, SAP_SERVER_INTERFACE, + "Enabled", DBUS_TYPE_BOOLEAN, &server->enable); + + return dbus_message_new_method_return(msg); +} + +static DBusMessage *disable(DBusConnection *conn, + DBusMessage *msg, void *data) +{ + struct sap_server *server = data; + DBusMessage *reply = NULL; + + if(!server) + return message_failed(msg, "Server internal error."); + + if (!server->enable) + return message_failed(msg, "Server already disabled."); + + if (server->state != SAP_STATE_DISCONNECTED) + return message_failed(msg, "Ongoing connection exists."); + + reply = dbus_message_new_method_return(msg); + if (!reply) + return NULL; + + remove_record_from_server(server->record_id); + + if (server->listen_io) { + g_io_channel_shutdown(server->listen_io, TRUE, NULL); + g_io_channel_unref(server->listen_io); + server->listen_io = NULL; + } + + server->enable = FALSE; + + emit_property_changed(connection, server->path, SAP_SERVER_INTERFACE, + "Enabled", DBUS_TYPE_BOOLEAN, &server->enable); + + return reply; +} + +static DBusMessage *get_properties(DBusConnection *conn, + DBusMessage *msg, void *data) +{ + struct sap_server *server = data; + DBusMessage *reply; + DBusMessageIter iter; + DBusMessageIter dict; + dbus_bool_t connected; + + if(!server) + return message_failed(msg, "Server internal error."); + + reply = dbus_message_new_method_return(msg); + if (!reply) + return NULL; + + dbus_message_iter_init_append(reply, &iter); + + dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, + DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING + DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING + DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict); + + dict_append_entry(&dict, "Enabled", DBUS_TYPE_BOOLEAN, &server->enable); + + connected = (server->state == SAP_STATE_CONNECTED || + server->state == SAP_STATE_GRACEFUL_DISCONNECT); + dict_append_entry(&dict, "Connected", DBUS_TYPE_BOOLEAN, &connected); + + dbus_message_iter_close_container(&iter, &dict); + + return reply; +} + +static DBusMessage *disconnect(DBusConnection *conn, DBusMessage *msg, void *data) +{ + struct sap_server *server = data; + dbus_bool_t disc_type; + sap_disconnection_type_t sap_disc_type; + + if (!server) + return message_failed(msg, "Server internal error."); + + if (!server->enable) + return g_dbus_create_error(msg, ERROR_INTERFACE + ".Failed", + "Server already disabled"); + + if (dbus_message_get_args(msg, NULL, DBUS_TYPE_BOOLEAN, &disc_type, + DBUS_TYPE_INVALID) == FALSE) + return NULL; + + sap_disc_type = disc_type ? SAP_DISCONNECTION_TYPE_GRACEFUL : + SAP_DISCONNECTION_TYPE_IMMEDIATE; + if (disconnect_req(server, sap_disc_type) < 0) + return g_dbus_create_error(msg, ERROR_INTERFACE + ".Failed", + "There is no active connection"); + + return dbus_message_new_method_return(msg); +} + +static GDBusMethodTable server_methods[] = { + { "Enable","","", enable }, + { "Disable","","", disable }, + { "GetProperties","","a{sv}",get_properties }, + { "Disconnect","b","", disconnect }, + { } +}; + +static GDBusSignalTable server_signals[] = { + { "PropertyChanged", "sv"}, + { } +}; + +static void server_free(struct sap_server *server) +{ + DBG("[%s::%s]", __FILE__, __FUNCTION__); + + if (!server) + return; + + g_free(server->path); + g_free(server); +} + +static void destroy_sap_interface(void *data) +{ + struct sap_server *server = data; + + DBG("Unregistered interface %s on path %s", + SAP_SERVER_INTERFACE, server->path); + + server_free(server); +} + int sap_server_register(const char *path, bdaddr_t *src) { - DBG("Register SAP server."); + struct sap_server *server; + + if(sap_init() < 0) { + error("Sap driver initialization failed."); + return -1; + } + + server = g_new0(struct sap_server, 1); + + if (!server) { + sap_exit(); + return -ENOMEM; + } + + server->enable = FALSE; + + if (!g_dbus_register_interface(connection, path, SAP_SERVER_INTERFACE, + server_methods, server_signals, NULL, + server, destroy_sap_interface)) { + error("D-Bus failed to register %s interface", + SAP_SERVER_INTERFACE); + server_free(server); + sap_exit(); + return -1; + } + + server->path = g_strdup(path); + bacpy(&server->src, src); + return 0; } int sap_server_unregister(const char *path) { - DBG("Unregister SAP server."); + g_dbus_unregister_interface(connection, path, SAP_SERVER_INTERFACE); + sap_exit(); return 0; } int sap_server_init(DBusConnection *conn) { - DBG("Init SAP server."); + connection = dbus_connection_ref(conn); return 0; } void sap_server_exit(void) { - DBG("Exit SAP server."); + dbus_connection_unref(connection); + connection = NULL; } -- 1.7.0.4