gsmd: Submitting a PIN for authentication needs to respond with status too.(Andrzej Zaborowski)

git-svn-id: http://svn.openmoko.org/trunk/src/target/gsm@3545 99fdad57-331a-0410-800a-d7fa5415bdb3

6 files changed, 98 insertions, 104 deletions

diff --git a/src/gsmd/unsolicited.c b/src/gsmd/unsolicited.c
index 4819571..b4bf260 100644
--- a/src/gsmd/unsolicited.c
+++ b/src/gsmd/unsolicited.c
@@ -487,12 +487,40 @@ static int is_in_array(unsigned int val, unsigned int *arr, unsigned int arr_len
 	return 0;
 }
 
+const int pintype_from_cme[GSM0707_CME_UNKNOWN] = {
+	[GSM0707_CME_PH_SIM_PIN_REQUIRED]	= GSMD_PIN_PH_SIM_PIN,
+	[GSM0707_CME_PH_FSIM_PIN_REQUIRED]	= GSMD_PIN_PH_FSIM_PIN,
+	[GSM0707_CME_PH_FSIM_PUK_REQUIRED]	= GSMD_PIN_PH_FSIM_PUK,
+	[GSM0707_CME_SIM_PIN_REQUIRED]		= GSMD_PIN_SIM_PIN,
+	[GSM0707_CME_SIM_PUK_REQUIRED]		= GSMD_PIN_SIM_PUK,
+	[GSM0707_CME_SIM_PIN2_REQUIRED]		= GSMD_PIN_SIM_PIN2,
+	[GSM0707_CME_SIM_PUK2_REQUIRED]		= GSMD_PIN_SIM_PUK2,
+	[GSM0707_CME_NETPERS_PIN_REQUIRED]	= GSMD_PIN_PH_NET_PIN,
+	[GSM0707_CME_NETPERS_PUK_REQUIRED]	= GSMD_PIN_PH_NET_PUK,
+	[GSM0707_CME_NETSUBSET_PIN_REQUIRED]	= GSMD_PIN_PH_NETSUB_PIN,
+	[GSM0707_CME_NETSUBSET_PUK_REQUIRED]	= GSMD_PIN_PH_NETSUB_PUK,
+	[GSM0707_CME_PROVIDER_PIN_REQUIRED]	= GSMD_PIN_PH_SP_PIN,
+	[GSM0707_CME_PROVIDER_PUK_REQUIRED]	= GSMD_PIN_PH_SP_PUK,
+	[GSM0707_CME_CORPORATE_PIN_REQUIRED]	= GSMD_PIN_PH_CORP_PIN,
+	[GSM0707_CME_CORPORATE_PUK_REQUIRED]	= GSMD_PIN_PH_CORP_PUK,
+	/* FIXME: */
+	[GSM0707_CME_SIM_FAILURE]		= 0,
+	[GSM0707_CME_SIM_BUSY]			= 0,
+	[GSM0707_CME_SIM_WRONG]			= 0,
+	[GSM0707_CME_MEMORY_FULL]		= 0,
+	[GSM0707_CME_MEMORY_FAILURE]		= 0,
+	[GSM0707_CME_PHONE_FAILURE]		= 0,
+	[GSM0707_CME_PHONE_NOCONNECT]		= 0,
+	[GSM0707_CME_PHONE_ADAPT_RESERVED]	= 0,
+	[GSM0707_CME_SIM_NOT_INSERTED]		= 0,
+};
+
 int generate_event_from_cme(struct gsmd *g, unsigned int cme_error)
 {
 	struct gsmd_ucmd *gu;
 	struct gsmd_evt_auxdata *eaux;
 
- 	if (!is_in_array(cme_error, errors_creating_events,
+	if (!is_in_array(cme_error, errors_creating_events,
 		ARRAY_SIZE(errors_creating_events))) {
 
 		gu = usock_build_event(GSMD_MSG_EVENT, GSMD_EVT_IN_ERROR, sizeof(*eaux));
@@ -501,78 +529,18 @@ int generate_event_from_cme(struct gsmd *g, unsigned int cme_error)
 		eaux = ((void *)gu) + sizeof(*gu);
 		eaux->u.cme_err.number = cme_error;
 		return usock_evt_send(g, gu, GSMD_EVT_IN_ERROR);
- 	}
-	else {
-		gu = usock_build_event(GSMD_MSG_EVENT, GSMD_EVT_PIN, sizeof(*eaux));
+ 	} else {
+		if (cme_error >= GSM0707_CME_UNKNOWN ||
+				!pintype_from_cme[cme_error])
+			return 0;
+
+		gu = usock_build_event(GSMD_MSG_EVENT, GSMD_EVT_PIN,
+				sizeof(*eaux));
 		if (!gu)
 			return -1;
+
 		eaux = ((void *)gu) + sizeof(*gu);
-	
-		switch (cme_error) {
-		case GSM0707_CME_PH_SIM_PIN_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_PH_SIM_PIN;
-			break;
-		case GSM0707_CME_PH_FSIM_PIN_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_PH_FSIM_PIN;
-			break;
-		case GSM0707_CME_PH_FSIM_PUK_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_PH_FSIM_PUK;
-			break;
-		case GSM0707_CME_SIM_PIN_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_SIM_PIN;
-			break;
-		case GSM0707_CME_SIM_PUK_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_SIM_PUK;
-			break;
-		case GSM0707_CME_SIM_PIN2_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_SIM_PIN2;
-			break;
-		case GSM0707_CME_SIM_PUK2_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_SIM_PUK2;
-			break;
-		case GSM0707_CME_NETPERS_PIN_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_PH_NET_PIN;
-			break;
-		case GSM0707_CME_NETPERS_PUK_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_PH_NET_PUK;
-			break;
-		case GSM0707_CME_NETSUBSET_PIN_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_PH_NETSUB_PIN;
-			break;
-		case GSM0707_CME_NETSUBSET_PUK_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_PH_NETSUB_PUK;
-			break;
-		case GSM0707_CME_PROVIDER_PIN_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_PH_SP_PIN;
-			break;
-		case GSM0707_CME_PROVIDER_PUK_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_PH_SP_PUK;
-			break;
-		case GSM0707_CME_CORPORATE_PIN_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_PH_CORP_PIN;
-			break;
-		case GSM0707_CME_CORPORATE_PUK_REQUIRED:
-			eaux->u.pin.type = GSMD_PIN_PH_CORP_PUK;
-			break;
-	
-		case GSM0707_CME_SIM_FAILURE:
-		case GSM0707_CME_SIM_BUSY:
-		case GSM0707_CME_SIM_WRONG:
-		case GSM0707_CME_MEMORY_FULL:
-		case GSM0707_CME_MEMORY_FAILURE:
-		case GSM0707_CME_PHONE_FAILURE:
-		case GSM0707_CME_PHONE_NOCONNECT:
-		case GSM0707_CME_PHONE_ADAPT_RESERVED:
-		case GSM0707_CME_SIM_NOT_INSERTED:
-			/* FIXME */
-			talloc_free(gu);
-			return 0;
-			break;
-		default:
-			talloc_free(gu);
-			return 0;
-			break;
-		}
+		eaux->u.pin.type = pintype_from_cme[cme_error];
 		return usock_evt_send(g, gu, GSMD_EVT_PIN);
 	}
 }
diff --git a/src/gsmd/usock.c b/src/gsmd/usock.c
index cf3aea9..73bb3c3 100644
--- a/src/gsmd/usock.c
+++ b/src/gsmd/usock.c
@@ -185,19 +185,18 @@ static int null_cmd_cb(struct gsmd_atcmd *cmd, void *ctx, char *resp)
 /* PIN command callback. Gets called for response to AT+CPIN cmcd */
 static int pin_cmd_cb(struct gsmd_atcmd *cmd, void *ctx, char *resp)
 {
-	gsmd_log(GSMD_DEBUG, "pin cmd cb\n");
+	struct gsmd_user *gu = ctx;
+	struct gsmd_ucmd *ucmd = gsmd_ucmd_fill(sizeof(int), GSMD_MSG_PIN,
+			GSMD_PIN_INPUT, 0);
 
-	/* We need to verify if there is some error */
-	switch (cmd->ret) {
-	case 0:
-		break;
-	case GSM0707_CME_INCORRECT_PASSWORD:
-		/* prompt for pin again */
-		break;
-	default:	
-		/* something went wrong */
-		break;
-	}
+	if (!ucmd)
+		return -ENOMEM;
+
+	/* Pass a GSM07.07 CME code directly, don't issue a new PIN
+	 * request because the client waits for a response to her
+	 * PIN submission rather than an event.  */
+	((int *) ucmd->buf)[0] = cmd->ret;
+	usock_cmd_enqueue(ucmd, gu);
 	return 0;
 }
 
@@ -409,7 +408,7 @@ struct gsmd_ucmd *gsmd_ucmd_fill(int len, u_int8_t msg_type,
 	ucmd = ucmd_alloc(len);
 	if (!ucmd)
 		return NULL;
-	
+
 	ucmd->hdr.version = GSMD_PROTO_VERSION;
 	ucmd->hdr.msg_type = msg_type;
 	ucmd->hdr.msg_subtype = msg_subtype;
@@ -651,7 +650,7 @@ static int network_ownnumbers_cb(struct gsmd_atcmd *cmd, void *ctx, char *resp)
 		num->service = GSMD_SERVICE_UNKNOWN;
 	num->name[len] = 0;
 	num->addr.type = type;
-	num->is_last = (cmd->ret == 0, NULL);
+	num->is_last = (cmd->ret == 0);
 
 	usock_cmd_enqueue(ucmd, gu);
 
diff --git a/src/libgsmd/libgsmd_pin.c b/src/libgsmd/libgsmd_pin.c
index 5ae6625..f99084a 100644
--- a/src/libgsmd/libgsmd_pin.c
+++ b/src/libgsmd/libgsmd_pin.c
@@ -55,7 +55,8 @@ const char *lgsm_pin_name(enum gsmd_pin_type ptype)
 	return pin_type_names[ptype];
 }
 
-int lgsm_pin(struct lgsm_handle *lh, unsigned int type, char *pin, char *newpin)
+int lgsm_pin(struct lgsm_handle *lh, unsigned int type,
+		const char *pin, const char *newpin)
 {
 	int rc;
 	struct {
@@ -74,9 +75,7 @@ int lgsm_pin(struct lgsm_handle *lh, unsigned int type, char *pin, char *newpin)
 		return -ENOMEM;
 
 	gm->gp.type = type;
-
-	gm->gp.pin[0] = '\0';
-	strcat(gm->gp.pin, pin);
+	strcpy(gm->gp.pin, pin);
 
 	switch (type) {
 	case GSMD_PIN_SIM_PUK:
@@ -84,10 +83,11 @@ int lgsm_pin(struct lgsm_handle *lh, unsigned int type, char *pin, char *newpin)
 		/* GSM 07.07 explicitly states that only those two PUK types
 		 * require a new pin to be specified! Don't know if this is a
 		 * bug or a feature. */
-		if (!newpin)
+		if (!newpin) {
+			free(gm);
 			return -EINVAL;
-		gm->gp.newpin[0] = '\0';
-		strcat(gm->gp.newpin, newpin);
+		}
+		strcpy(gm->gp.newpin, newpin);
 		break;
 	default:
 		break;
diff --git a/src/util/pin.c b/src/util/pin.c
index fdd0099..b873535 100644
--- a/src/util/pin.c
+++ b/src/util/pin.c
@@ -27,24 +27,28 @@
 #include <libgsmd/event.h>
 #include <libgsmd/pin.h>
 
+#include "shell.h"
+
 #define PIN_SIZE 8
 
-static char *pin;
+static const char *pin;
 static char pinbuf[PIN_SIZE+1];
 static char pinbuf2[PIN_SIZE+1];
 
-static int pin_handler(struct lgsm_handle *lh, int evt, struct gsmd_evt_auxdata *aux)
+static int pin_handler(struct lgsm_handle *lh,
+		int evt, struct gsmd_evt_auxdata *aux)
 {
 	int rc;
 	int type = aux->u.pin.type;
 	char *newpin = NULL;
 
-	printf("EVENT: PIN request (type='%s') ", lgsm_pin_name(aux->u.pin.type));
+	printf("EVENT: PIN request (type='%s') ", lgsm_pin_name(type));
 
 	/* FIXME: read pin from STDIN and send it back via lgsm_pin */
 	if (type == 1 && pin) {
 		printf("Auto-responding with pin `%s'\n", pin);
-		lgsm_pin(lh, type, pin, NULL);
+		pending_responses ++;
+		return lgsm_pin(lh, type, pin, NULL);
 	} else {
 		do {
 			printf("Please enter %s: ", lgsm_pin_name(type));
@@ -64,10 +68,9 @@ static int pin_handler(struct lgsm_handle *lh, int evt, struct gsmd_evt_auxdata
 			break;
 		}
 
+		pending_responses ++;
 		return lgsm_pin(lh, type, pinbuf, newpin);
 	}
-
-	return 0;
 }
 
 int pin_init(struct lgsm_handle *lh, const char *pin_preset)
diff --git a/src/util/shell.c b/src/util/shell.c
index 031ed34..373ce33 100644
--- a/src/util/shell.c
+++ b/src/util/shell.c
@@ -44,7 +44,7 @@
 static int nFIND = 0;
 static int nREADRG = 0;
 
-static int pending_responses = 0;
+int pending_responses = 0;
 
 /* this is the handler for receiving passthrough responses */
 static int pt_msghandler(struct lgsm_handle *lh, struct gsmd_msg_hdr *gmh)
@@ -373,6 +373,32 @@ static int phone_msghandler(struct lgsm_handle *lh, struct gsmd_msg_hdr *gmh)
 	return 0;
 }
 
+static int pin_msghandler(struct lgsm_handle *lh, struct gsmd_msg_hdr *gmh)
+{
+	int result = *(int *) gmh->data;
+
+	if (result)
+		printf("PIN error %i\n", result);
+	else
+		printf("PIN accepted!\n");
+	pending_responses --;
+	return 0;
+}
+
+static const struct msghandler_s {
+	int type;
+	lgsm_msg_handler *fn;
+} msghandlers[] = {
+	{ GSMD_MSG_PASSTHROUGH,	pt_msghandler },
+	{ GSMD_MSG_PHONEBOOK,	pb_msghandler },
+	{ GSMD_MSG_SMS,		sms_msghandler },
+	{ GSMD_MSG_NETWORK,	net_msghandler },
+	{ GSMD_MSG_PHONE,	phone_msghandler },
+	{ GSMD_MSG_PIN,		pin_msghandler },
+
+	{ 0, 0 }
+};
+
 static int shell_help(void)
 {
 	printf( "\tA\tAnswer incoming call\n"
@@ -424,12 +450,10 @@ int shell_main(struct lgsm_handle *lgsmh, int sync)
 	fd_set readset;
 	char *ptr, *fcomma, *lcomma;
 	int gsm_fd = lgsm_fd(lgsmh);
+	const struct msghandler_s *hndl;
 
-	lgsm_register_handler(lgsmh, GSMD_MSG_PASSTHROUGH, &pt_msghandler);
-	lgsm_register_handler(lgsmh, GSMD_MSG_PHONEBOOK, &pb_msghandler);
-	lgsm_register_handler(lgsmh, GSMD_MSG_SMS, &sms_msghandler);
-	lgsm_register_handler(lgsmh, GSMD_MSG_NETWORK, &net_msghandler);
-	lgsm_register_handler(lgsmh, GSMD_MSG_PHONE, &phone_msghandler);
+	for (hndl = msghandlers; hndl->fn; hndl ++)
+		lgsm_register_handler(lgsmh, hndl->type, hndl->fn);
 
 	fcntl(0, F_SETFD, O_NONBLOCK);
 	fcntl(gsm_fd, F_SETFD, O_NONBLOCK);
diff --git a/src/util/shell.h b/src/util/shell.h
index f0bebb3..81a8dc3 100644
--- a/src/util/shell.h
+++ b/src/util/shell.h
@@ -1,2 +1,2 @@
-
 extern int shell_main(struct lgsm_handle *lgsmh, int sync);
+extern int pending_responses;