rilmodem: Implement ril_sim_read_info inline

This commit is contained in:
Denis Kenzior 2015-11-20 21:35:56 -06:00
parent 17844e231e
commit f6591998de
1 changed files with 96 additions and 22 deletions

View File

@ -57,6 +57,9 @@
/* Number of passwords in EPINC response */
#define MTK_EPINC_NUM_PASSWD 4
/* Commands defined for TS 27.007 +CRSM */
#define CMD_GET_RESPONSE 192 /* 0xC0 */
/*
* Based on ../drivers/atmodem/sim.c.
*
@ -209,6 +212,55 @@ error:
cb(&error, -1, -1, -1, NULL, EF_STATUS_INVALIDATED, cbd->data);
}
#define ROOTMF ((char[]) {'\x3F', '\x00'})
#define ROOTMF_SZ sizeof(ROOTMF)
static char *get_path(int vendor, guint app_type, const int fileid,
const unsigned char *path, unsigned int path_len)
{
unsigned char db_path[6] = { 0x00 };
unsigned char *comm_path = db_path;
int len = 0;
if (path_len > 0 && path_len < 7) {
memcpy(db_path, path, path_len);
len = path_len;
goto done;
}
switch (app_type) {
case RIL_APPTYPE_USIM:
len = sim_ef_db_get_path_3g(fileid, db_path);
break;
case RIL_APPTYPE_SIM:
len = sim_ef_db_get_path_2g(fileid, db_path);
break;
default:
ofono_error("Unsupported app_type: 0%x", app_type);
return NULL;
}
done:
/*
* db_path contains the ID of the MF, but MediaTek modems return an
* error if we do not remove it. Other devices work the other way
* around: they need the MF in the path. In fact MTK behaviour seem to
* be the right one: to have the MF in the file is forbidden following
* ETSI TS 102 221, section 8.4.2 (we are accessing the card in mode
* "select by path from MF", see 3gpp 27.007, +CRSM).
*/
if (vendor == OFONO_RIL_VENDOR_MTK && len >= (int) ROOTMF_SZ &&
memcmp(db_path, ROOTMF, ROOTMF_SZ) == 0) {
comm_path = db_path + ROOTMF_SZ;
len -= ROOTMF_SZ;
}
if (len == 0)
return NULL;
return encode_hex(comm_path, len, 0);
}
static void ril_sim_read_info(struct ofono_sim *sim, int fileid,
const unsigned char *path,
unsigned int path_len,
@ -217,38 +269,60 @@ static void ril_sim_read_info(struct ofono_sim *sim, int fileid,
struct sim_data *sd = ofono_sim_get_data(sim);
struct cb_data *cbd = cb_data_new(cb, data, sd);
struct parcel rilp;
struct req_sim_read_info req;
guint ret = 0;
char *hex_path;
DBG("file %04x", fileid);
req.app_type = sd->app_type;
req.aid_str = sd->aid_str;
req.fileid = fileid;
req.path = path;
req.path_len = path_len;
if (!g_ril_request_sim_read_info(sd->ril,
&req,
&rilp)) {
ofono_error("Couldn't build SIM read info request");
hex_path = get_path(g_ril_vendor(sd->ril),
sd->app_type, fileid, path, path_len);
if (hex_path == NULL) {
ofono_error("Couldn't build SIM read info request - NULL path");
goto error;
}
g_ril_append_print_buf(sd->ril,
"%s0,0,15,(null),pin2=(null),aid=%s)",
print_buf,
sd->aid_str);
parcel_init(&rilp);
ret = g_ril_send(sd->ril, RIL_REQUEST_SIM_IO, &rilp,
ril_file_info_cb, cbd, g_free);
parcel_w_int32(&rilp, CMD_GET_RESPONSE);
parcel_w_int32(&rilp, fileid);
parcel_w_string(&rilp, hex_path);
parcel_w_int32(&rilp, 0); /* P1 */
parcel_w_int32(&rilp, 0); /* P2 */
/*
* TODO: review parameters values used by Android.
* The values of P1-P3 in this code were based on
* values used by the atmodem driver impl.
*
* NOTE:
* GET_RESPONSE_EF_SIZE_BYTES == 15; !255
*/
parcel_w_int32(&rilp, 15); /* P3 - max length */
parcel_w_string(&rilp, NULL); /* data; only req'd for writes */
parcel_w_string(&rilp, NULL); /* pin2; only req'd for writes */
parcel_w_string(&rilp, sd->aid_str); /* AID (Application ID) */
/*
* sessionId, specific to latest MTK modems (harmless for older ones).
* It looks like this field selects one or another SIM application, but
* we use only one at a time so using zero here seems safe.
*/
if (g_ril_vendor(sd->ril) == OFONO_RIL_VENDOR_MTK)
parcel_w_int32(&rilp, 0);
g_ril_append_print_buf(sd->ril, "(cmd=0x%.2X,efid=0x%.4X,path=%s,"
"0,0,15,(null),pin2=(null),aid=%s)",
CMD_GET_RESPONSE, fileid, hex_path,
sd->aid_str);
g_free(hex_path);
if (g_ril_send(sd->ril, RIL_REQUEST_SIM_IO, &rilp,
ril_file_info_cb, cbd, g_free) > 0)
return;
error:
if (ret == 0) {
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, -1, -1, -1, NULL,
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, -1, -1, -1, NULL,
EF_STATUS_INVALIDATED, data);
}
}
static void ril_file_io_cb(struct ril_msg *message, gpointer user_data)