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- driver data is now allocated and destroyed by drivers

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- new type driver_data_t, driver data is not stored in struct rf_driver.
- added some comments and better debug messages


git-svn-id: https://vsmartcard.svn.sourceforge.net/svnroot/vsmartcard@357 96b47cad-a561-4643-ad3b-153ac7d7599c
This commit is contained in:
frankmorgner
2010-11-13 13:32:57 +00:00
parent 227f67d32d
commit c9d4c12a3b
4 changed files with 51 additions and 46 deletions
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17
pcsc-relay/src/lnfc.c
View File

@@ -99,7 +99,7 @@ static size_t get_historical_bytes(unsigned char *atr, size_t atrlen,
} }
static int lnfc_connect(void **driver_data) static int lnfc_connect(driver_data_t **driver_data)
{ {
struct lnfc_data *data; struct lnfc_data *data;
/* data derived from German (test) identity card issued 2010 */ /* data derived from German (test) identity card issued 2010 */
@@ -131,10 +131,11 @@ static int lnfc_connect(void **driver_data)
} }
if (verbose >= 0) if (verbose >= 0)
printf("Connected to %s\n", data->pndTarget->acName); printf("Connected to %s\n", nfc_device_name(data->pndTarget));
DEBUG("Waiting for a command that is not part of the anti-collision...\n");
if (!nfc_target_init (data->pndTarget, &ntEmulatedTarget, data->abtCapdu, &data->szCapduLen)) { if (!nfc_target_init (data->pndTarget, &ntEmulatedTarget, data->abtCapdu, &data->szCapduLen)) {
ERROR("Initialization of NFC emulator failed"); ERROR("nfc_target_init: %s\n", nfc_strerror(data->pndTarget));
nfc_disconnect (data->pndTarget); nfc_disconnect (data->pndTarget);
return 0; return 0;
} }
@@ -144,18 +145,21 @@ static int lnfc_connect(void **driver_data)
return 1; return 1;
} }
static int lnfc_disconnect(void *driver_data) static int lnfc_disconnect(driver_data_t *driver_data)
{ {
struct lnfc_data *data = driver_data; struct lnfc_data *data = driver_data;
if (data) {
nfc_disconnect (data->pndTarget); nfc_disconnect (data->pndTarget);
free(data);
}
return 1; return 1;
} }
static int lnfc_receive_capdu(void *driver_data, static int lnfc_receive_capdu(driver_data_t *driver_data,
unsigned char **capdu, size_t *len) unsigned char **capdu, size_t *len)
{ {
struct lnfc_data *data = driver_data; struct lnfc_data *data = driver_data;
@@ -185,7 +189,7 @@ static int lnfc_receive_capdu(void *driver_data,
return 1; return 1;
} }
static int lnfc_send_rapdu(void *driver_data, static int lnfc_send_rapdu(driver_data_t *driver_data,
const unsigned char *rapdu, size_t len) const unsigned char *rapdu, size_t len)
{ {
struct lnfc_data *data = driver_data; struct lnfc_data *data = driver_data;
@@ -205,7 +209,6 @@ static int lnfc_send_rapdu(void *driver_data,
struct rf_driver driver_libnfc = { struct rf_driver driver_libnfc = {
.data = NULL,
.connect = lnfc_connect, .connect = lnfc_connect,
.disconnect = lnfc_disconnect, .disconnect = lnfc_disconnect,
.receive_capdu = lnfc_receive_capdu, .receive_capdu = lnfc_receive_capdu,

40
pcsc-relay/src/opicc.c
View File

@@ -52,11 +52,14 @@ int picc_encode_rapdu(const unsigned char *inbuf, size_t inlen,
return 0; return 0;
} }
*outbuf = p; *outbuf = p;
*outlen = length;
sprintf(*outbuf, "%04X:", inlen); /* write length of R-APDU */
sprintf(p, "%04X:", inlen);
/* next points to the next byte to encode */
next = inbuf; next = inbuf;
/* let p point behind ':' */ /* let p point behind ':' to write hex encoded bytes */
p += 5; p += 5;
while (inbuf+inlen > next) { while (inbuf+inlen > next) {
sprintf(p," %02X",*next); sprintf(p," %02X",*next);
@@ -64,7 +67,6 @@ int picc_encode_rapdu(const unsigned char *inbuf, size_t inlen,
p += 3; p += 3;
} }
*outlen = length;
return 1; return 1;
} }
@@ -115,7 +117,7 @@ int picc_decode_apdu(const char *inbuf, size_t inlen,
} }
static int picc_connect(void **driver_data) static int picc_connect(driver_data_t **driver_data)
{ {
struct picc_data *data; struct picc_data *data;
@@ -128,15 +130,15 @@ static int picc_connect(void **driver_data)
return 0; return 0;
*driver_data = data; *driver_data = data;
data->buf = NULL;
data->bufmax = 0;
data->fd = fopen(PICCDEV, "a+"); /*O_NOCTTY ?*/ data->fd = fopen(PICCDEV, "a+"); /*O_NOCTTY ?*/
if (!data->fd) { if (!data->fd) {
ERROR("Error opening %s: %s\n", PICCDEV, strerror(errno)); ERROR("Error opening %s: %s\n", PICCDEV, strerror(errno));
return 0; return 0;
} }
data->buf = NULL;
data->bufmax = 0;
if (verbose >= 0) if (verbose >= 0)
printf("Connected to %s\n", PICCDEV); printf("Connected to %s\n", PICCDEV);
@@ -144,7 +146,7 @@ static int picc_connect(void **driver_data)
return 1; return 1;
} }
static int picc_disconnect(void *driver_data) static int picc_disconnect(driver_data_t *driver_data)
{ {
struct picc_data *data = driver_data; struct picc_data *data = driver_data;
@@ -152,17 +154,15 @@ static int picc_disconnect(void *driver_data)
if (data) { if (data) {
if (data->fd) if (data->fd)
fclose(data->fd); fclose(data->fd);
data->fd = NULL;
free(data->buf); free(data->buf);
data->buf = NULL; free(data);
data->bufmax = 0;
} }
return 1; return 1;
} }
static int picc_receive_capdu(void *driver_data, static int picc_receive_capdu(driver_data_t *driver_data,
unsigned char **capdu, size_t *len) unsigned char **capdu, size_t *len)
{ {
ssize_t linelen; ssize_t linelen;
@@ -184,7 +184,8 @@ static int picc_receive_capdu(void *driver_data,
*len = 0; *len = 0;
return 1; return 1;
} }
fflush(data->fd); if (fflush(data->fd) != 0)
ERROR("Warning, fflush failed: %s\n", strerror(errno));
DEBUG("%s\n", data->buf); DEBUG("%s\n", data->buf);
@@ -193,7 +194,7 @@ static int picc_receive_capdu(void *driver_data,
return picc_decode_apdu(data->buf, linelen, capdu, len); return picc_decode_apdu(data->buf, linelen, capdu, len);
} }
static int picc_send_rapdu(void *driver_data, static int picc_send_rapdu(driver_data_t *driver_data,
const unsigned char *rapdu, size_t len) const unsigned char *rapdu, size_t len)
{ {
struct picc_data *data = driver_data; struct picc_data *data = driver_data;
@@ -213,14 +214,12 @@ static int picc_send_rapdu(void *driver_data,
/* write R-APDU */ /* write R-APDU */
DEBUG("INF: Writing R-APDU\r\n%s\r\n", data->buf); DEBUG("INF: Writing R-APDU\r\n%s\r\n", data->buf);
if (fprintf(data->fd,"%s\r\n", (char *) data->buf) < 0) { if (fprintf(data->fd,"%s\r\n", data->buf) < 0) {
ERROR("fprintf: %s\n", strerror(errno)); ERROR("Error writing to %s: %s\n", PICCDEV, strerror(errno));
return 0;
}
if (fflush(data->fd) != 0) {
ERROR("fflush: %s\n", strerror(errno));
return 0; return 0;
} }
if (fflush(data->fd) != 0)
ERROR("Warning, fflush failed: %s\n", strerror(errno));
return 1; return 1;
@@ -228,7 +227,6 @@ static int picc_send_rapdu(void *driver_data,
struct rf_driver driver_openpicc = { struct rf_driver driver_openpicc = {
.data = NULL,
.connect = picc_connect, .connect = picc_connect,
.disconnect = picc_disconnect, .disconnect = picc_disconnect,
.receive_capdu = picc_receive_capdu, .receive_capdu = picc_receive_capdu,

28
pcsc-relay/src/pcsc-relay.c
View File

@@ -59,6 +59,7 @@ static int dodaemon = 1;
int verbose = 0; int verbose = 0;
static unsigned int readernum = 0; static unsigned int readernum = 0;
static struct rf_driver *driver = &driver_openpicc; static struct rf_driver *driver = &driver_openpicc;
static driver_data_t *driver_data = NULL;
static LPSTR readers = NULL; static LPSTR readers = NULL;
@@ -66,12 +67,12 @@ static SCARDCONTEXT hContext = 0;
static SCARDHANDLE hCard = 0; static SCARDHANDLE hCard = 0;
/* Forward declaration */ /* Forward declaration */
static void daemonize(); static void daemonize(void);
static void cleanup_exit(int signo); static void cleanup_exit(int signo);
static void cleanup(void); static void cleanup(void);
void daemonize() { void daemonize(void) {
pid_t pid, sid; pid_t pid, sid;
/* Fork and continue as child process */ /* Fork and continue as child process */
@@ -117,7 +118,8 @@ void cleanup_exit(int signo){
} }
void cleanup(void) { void cleanup(void) {
driver->disconnect(driver->data); driver->disconnect(driver_data);
driver_data = NULL;
pcsc_disconnect(hContext, hCard, readers); pcsc_disconnect(hContext, hCard, readers);
} }
@@ -195,12 +197,6 @@ int main (int argc, char **argv)
} }
if (dodaemon) {
verbose = -1;
daemonize();
}
/* Register signal handlers */ /* Register signal handlers */
new_sig.sa_handler = cleanup_exit; new_sig.sa_handler = cleanup_exit;
sigemptyset(&new_sig.sa_mask); sigemptyset(&new_sig.sa_mask);
@@ -213,7 +209,7 @@ int main (int argc, char **argv)
/* Open the device */ /* Open the device */
if (!driver->connect(&driver->data)) if (!driver->connect(&driver_data))
goto err; goto err;
@@ -224,9 +220,16 @@ int main (int argc, char **argv)
goto err; goto err;
if (dodaemon) {
INFO("Forking to background...\n");
verbose = -1;
daemonize();
}
while(1) { while(1) {
/* get C-APDU */ /* get C-APDU */
if (!driver->receive_capdu(driver->data, &buf, &buflen)) if (!driver->receive_capdu(driver_data, &buf, &buflen))
goto err; goto err;
if (!buflen || !buf) if (!buflen || !buf)
continue; continue;
@@ -246,10 +249,11 @@ int main (int argc, char **argv)
if (verbose >= 0) if (verbose >= 0)
printb("R-APDU:\n", outputBuffer, outputLength); printb("R-APDU:\n", outputBuffer, outputLength);
if (!driver->send_rapdu(driver->data, outputBuffer, outputLength)) if (!driver->send_rapdu(driver_data, outputBuffer, outputLength))
goto err; goto err;
} }
err: err:
cleanup(); cleanup();

10
pcsc-relay/src/pcsc-relay.h
View File

@@ -27,13 +27,13 @@
extern "C" { extern "C" {
#endif #endif
typedef void driver_data_t;
struct rf_driver { struct rf_driver {
void *data; int (*connect) (driver_data_t **driver_data);
int (*connect) (void **driver_data); int (*disconnect) (driver_data_t *driver_data);
int (*disconnect) (void *driver_data); int (*receive_capdu) (driver_data_t *driver_data,
int (*receive_capdu) (void *driver_data,
unsigned char **capdu, size_t *len); unsigned char **capdu, size_t *len);
int (*send_rapdu) (void *driver_data, int (*send_rapdu) (driver_data_t *driver_data,
const unsigned char *rapdu, size_t len); const unsigned char *rapdu, size_t len);
}; };