; hacky way to get PIN capability. Proper version should check AT+CPIN?
; first and then decide if PIN is needed at all.
; arekm@maven.pl, 20120409
diff -ur ../../test/chan_dongle/at_command.c chan_dongle/at_command.c
--- ../../test/chan_dongle/at_command.c	2012-04-26 11:11:01.000000000 +0200
+++ chan_dongle/at_command.c	2012-05-09 14:43:39.994983010 +0200
@@ -148,6 +148,7 @@
 		ATQ_CMD_DECLARE_ST(CMD_AT_CGMR, cmd8),		/* Get software version */
 		ATQ_CMD_DECLARE_ST(CMD_AT_CMEE, cmd9),		/* set MS Error Report to 'ERROR' only  TODO: change to 1 or 2 and add support in response handlers */
 
+		ATQ_CMD_DECLARE_DYNI(CMD_AT_CPIN_NUMBER),
 		ATQ_CMD_DECLARE_ST(CMD_AT_CGSN, cmd10),		/* IMEI Read */
 		ATQ_CMD_DECLARE_ST(CMD_AT_CIMI, cmd11),		/* IMSI Read */
 		ATQ_CMD_DECLARE_ST(CMD_AT_CPIN, cmd12),		/* check is password authentication requirement and the remainder validation times */
@@ -173,6 +174,7 @@
 	unsigned in, out;
 	int begin = -1;
 	int err;
+	char * ptmp0 = NULL;
 	char * ptmp1 = NULL;
 	char * ptmp2 = NULL;
 	pvt_t * pvt = cpvt->pvt;
@@ -193,10 +195,18 @@
 			continue;
 		if(st_cmds[in].cmd == CMD_AT_U2DIAG && CONF_SHARED(pvt, u2diag) == -1)
 			continue;
+		if(st_cmds[in].cmd == CMD_AT_CPIN_NUMBER && (!CONF_UNIQ(pvt, pin) || !strlen(CONF_UNIQ(pvt, pin))))
+			continue;
 
 		memcpy(&cmds[out], &st_cmds[in], sizeof(st_cmds[in]));
 
-		if(cmds[out].cmd == CMD_AT_U2DIAG)
+		if(st_cmds[in].cmd == CMD_AT_CPIN_NUMBER) {
+			err = at_fill_generic_cmd(&cmds[out], "AT+CPIN=\"%s\"\r", CONF_UNIQ(pvt, pin));
+			if (err)
+				goto failure;
+			ptmp0 = cmds[out].data;
+		}
+		else if(cmds[out].cmd == CMD_AT_U2DIAG)
 		{
 			err = at_fill_generic_cmd(&cmds[out], "AT^U2DIAG=%d\r", CONF_SHARED(pvt, u2diag));
 			if(err)
@@ -219,6 +229,8 @@
 		return at_queue_insert(cpvt, cmds, out, 0);
 	return 0;
 failure:
+	if(ptmp0)
+		ast_free(ptmp0);
 	if(ptmp1)
 		ast_free(ptmp1);
 	if(ptmp2)
diff -ur ../../test/chan_dongle/at_command.h chan_dongle/at_command.h
--- ../../test/chan_dongle/at_command.h	2012-04-26 11:11:01.000000000 +0200
+++ chan_dongle/at_command.h	2012-05-08 12:20:28.218759636 +0200
@@ -43,6 +43,7 @@
 
 	CMD_AT_COPS,
 	CMD_AT_COPS_INIT,
+	CMD_AT_CPIN_NUMBER,
 	CMD_AT_CPIN,
 	CMD_AT_CPMS,
 
diff -ur ../../test/chan_dongle/at_response.c chan_dongle/at_response.c
--- ../../test/chan_dongle/at_response.c	2012-04-26 11:11:01.000000000 +0200
+++ chan_dongle/at_response.c	2012-05-09 14:39:54.298193606 +0200
@@ -135,6 +135,7 @@
 			case CMD_AT_CGSN:
 			case CMD_AT_CIMI:
 			case CMD_AT_CPIN:
+			case CMD_AT_CPIN_NUMBER:
 			case CMD_AT_CCWA_SET:
 			case CMD_AT_CCWA_STATUS:
 			case CMD_AT_CHLD_2:
@@ -364,6 +365,11 @@
 				ast_log (LOG_ERROR, "[%s] Getting IMSI number failed\n", PVT_ID(pvt));
 				goto e_return;
 
+			case CMD_AT_CPIN_NUMBER:
+				ast_log (LOG_ERROR, "[%s] Error sending PIN - ignored\n", PVT_ID(pvt));
+				break;
+				//goto e_return;
+
 			case CMD_AT_CPIN:
 				ast_log (LOG_ERROR, "[%s] Error checking PIN state\n", PVT_ID(pvt));
 				goto e_return;
diff -ur ../../test/chan_dongle/dc_config.c chan_dongle/dc_config.c
--- ../../test/chan_dongle/dc_config.c	2012-04-26 11:11:01.000000000 +0200
+++ chan_dongle/dc_config.c	2012-05-09 14:43:14.849045773 +0200
@@ -32,11 +32,13 @@
 	const char * data_tty;
 	const char * imei;
 	const char * imsi;
+	const char * pin;
 
 	audio_tty = ast_variable_retrieve (cfg, cat, "audio");
 	data_tty  = ast_variable_retrieve (cfg, cat, "data");
 	imei = ast_variable_retrieve (cfg, cat, "imei");
 	imsi = ast_variable_retrieve (cfg, cat, "imsi");
+	pin = ast_variable_retrieve (cfg, cat, "pin");
 
 	if(imei && strlen(imei) != IMEI_SIZE) {
 		ast_log (LOG_WARNING, "[%s] Ignore invalid IMEI value '%s'\n", cat, imei);
@@ -46,6 +48,10 @@
 		ast_log (LOG_WARNING, "[%s] Ignore invalid IMSI value '%s'\n", cat, imsi);
 		imsi = NULL;
 		}
+	if(pin && strlen(pin) == 0) {
+		ast_log (LOG_WARNING, "[%s] Ignore invalid PIN value '%s'\n", cat, pin);
+		pin = NULL;
+		}
 
 	if(!audio_tty && !imei && !imsi)
 	{
@@ -70,6 +76,7 @@
 	ast_copy_string (config->audio_tty,	S_OR(audio_tty, ""), sizeof (config->audio_tty));
 	ast_copy_string (config->imei,		S_OR(imei, ""),	     sizeof (config->imei));
 	ast_copy_string (config->imsi,		S_OR(imsi, ""),	     sizeof (config->imsi));
+	ast_copy_string (config->pin,		S_OR(pin, ""),	     sizeof (config->pin));
 
 	return 0;
 }
diff -ur ../../test/chan_dongle/dc_config.h chan_dongle/dc_config.h
--- ../../test/chan_dongle/dc_config.h	2012-04-26 11:11:01.000000000 +0200
+++ chan_dongle/dc_config.h	2012-05-09 14:41:42.945044440 +0200
@@ -109,6 +109,7 @@
 	char			data_tty[DEVPATHLEN];		/*!< tty for AT commands */
 	char			imei[IMEI_SIZE+1];		/*!< search device by imei */
 	char			imsi[IMSI_SIZE+1];		/*!< search device by imsi */
+	char			pin[128]; // how long it can be really?
 } dc_uconfig_t;
 
 /* all Config settings join in one place */