Add IMSI retrieval to sim driver

Modified patch originally provided by Jukka Saunamäki.
This commit is contained in:
Aki Niemi 2009-09-12 18:58:18 +03:00
parent 6ee21a3fc1
commit df8a202e94
1 changed files with 130 additions and 5 deletions

View File

@ -42,33 +42,63 @@
#include "isi.h"
#define PN_SIM 0x09
#define SIM_TIMEOUT 5
#define SIM_MAX_IMSI_LENGTH 15
enum return_code {
SIM_SERV_OK = 0x01
};
enum message_id {
SIM_IMSI_REQ_READ_IMSI = 0x1D,
SIM_IMSI_RESP_READ_IMSI = 0x1E,
COMMON_MESSAGE = 0xF0
};
enum service_type {
READ_IMSI = 0x2D
};
struct sim_data {
GIsiClient *client;
struct isi_version version;
};
static void sim_debug(const void *restrict buf, size_t len, void *data)
{
DBG("");
dump_msg(buf, len);
}
static void isi_read_file_info(struct ofono_sim *sim, int fileid,
ofono_sim_file_info_cb_t cb, void *data)
{
DBG("Not implemented (fileid = %04x)",fileid);
CALLBACK_WITH_FAILURE(cb, -1, -1, -1, NULL, data);
}
static void isi_read_file_transparent(struct ofono_sim *sim, int fileid,
int start, int length,
ofono_sim_read_cb_t cb, void *data)
{
DBG("Not implemented (fileid = %04x)",fileid);
CALLBACK_WITH_FAILURE(cb, NULL, 0, data);
}
static void isi_read_file_linear(struct ofono_sim *sim, int fileid,
int record, int length,
ofono_sim_read_cb_t cb, void *data)
{
DBG("Not implemented (fileid = %04x)",fileid);
CALLBACK_WITH_FAILURE(cb, NULL, 0, data);
}
static void isi_read_file_cyclic(struct ofono_sim *sim, int fileid,
int record, int length,
ofono_sim_read_cb_t cb, void *data)
{
DBG("Not implemented (fileid = %04x)",fileid);
CALLBACK_WITH_FAILURE(cb, NULL, 0, data);
}
static void isi_write_file_transparent(struct ofono_sim *sim, int fileid,
@ -76,6 +106,8 @@ static void isi_write_file_transparent(struct ofono_sim *sim, int fileid,
const unsigned char *value,
ofono_sim_write_cb_t cb, void *data)
{
DBG("Not implemented (fileid = %04x)",fileid);
CALLBACK_WITH_FAILURE(cb, data);
}
static void isi_write_file_linear(struct ofono_sim *sim, int fileid,
@ -83,33 +115,126 @@ static void isi_write_file_linear(struct ofono_sim *sim, int fileid,
const unsigned char *value,
ofono_sim_write_cb_t cb, void *data)
{
DBG("Not implemented (fileid = %04x)",fileid);
CALLBACK_WITH_FAILURE(cb, data);
}
static void isi_write_file_cyclic(struct ofono_sim *sim, int fileid,
int length, const unsigned char *value,
ofono_sim_write_cb_t cb, void *data)
{
DBG("Not implemented (fileid = %04x)",fileid);
CALLBACK_WITH_FAILURE(cb, data);
}
static bool imsi_resp_cb(GIsiClient *client, const void *restrict data,
size_t len, uint16_t object, void *opaque)
{
const unsigned char *msg = data;
struct isi_cb_data *cbd = opaque;
ofono_sim_imsi_cb_t cb = cbd->cb;
char imsi[SIM_MAX_IMSI_LENGTH + 1];
int index = 0;
size_t i = 0;
size_t imsi_len = 0;
DBG("");
if(!msg) {
DBG("ISI client error: %d", g_isi_client_error(client));
goto error;
}
if (len < 5 || msg[0] != SIM_IMSI_RESP_READ_IMSI)
goto error;
if (msg[1] != READ_IMSI || msg[2] != SIM_SERV_OK)
goto error;
imsi_len = msg[3];
if (imsi_len == 0 || imsi_len > len)
goto error;
msg += 4;
/* Ignore the low-order semi-octet of the first byte */
imsi[0] = ((msg[0] & 0xF0) >> 4) + '0';
for (i = 1, index = 1; i < imsi_len; i++) {
char nibble;
imsi[index++] = (msg[i] & 0x0F) + '0';
nibble = (msg[i] & 0xF0) >> 4;
if (nibble != 0x0F)
imsi[index++] = nibble + '0';
}
imsi[index] = '\0';
CALLBACK_WITH_SUCCESS(cb, imsi, cbd->data);
goto out;
error:
CALLBACK_WITH_FAILURE(cb, NULL, cbd->data);
out:
g_free(cbd);
return true;
}
static void isi_read_imsi(struct ofono_sim *sim,
ofono_sim_imsi_cb_t cb, void *data)
{
struct sim_data *sd = ofono_sim_get_data(sim);
struct isi_cb_data *cbd = isi_cb_data_new(sim, cb, data);
const unsigned char msg[] = {
SIM_IMSI_REQ_READ_IMSI,
READ_IMSI
};
if (!cbd)
goto error;
if (g_isi_request_make(sd->client, msg, sizeof(msg),
SIM_TIMEOUT,
imsi_resp_cb, cbd))
return;
error:
if (cbd)
g_free(cbd);
CALLBACK_WITH_FAILURE(cb, NULL, data);
}
static gboolean isi_sim_register(gpointer user)
{
struct ofono_sim *sim = user;
struct sim_data *sd = ofono_sim_get_data(sim);
g_isi_client_set_debug(sd->client, sim_debug, NULL);
ofono_sim_register(sim);
return FALSE;
}
static int isi_sim_probe(struct ofono_sim *sim, unsigned int vendor,
void *user)
{
GIsiModem *idx = user;
struct sim_data *data = g_try_new0(struct sim_data, 1);
struct sim_data *sd = g_try_new0(struct sim_data, 1);
if (!data)
if (!sd)
return -ENOMEM;
data->client = g_isi_client_create(idx, PN_SIM);
if (!data->client)
sd->client = g_isi_client_create(idx, PN_SIM);
if (!sd->client)
return -ENOMEM;
ofono_sim_set_data(sim, data);
ofono_sim_set_data(sim, sd);
g_idle_add(isi_sim_register, sim);
return 0;
}