@@ -7,7 +7,7 @@ MODULELIB = pam_dual_control.so

 UNAME_S := $(shell uname -s)

 .PHONY: all

-all: test dual_control.a

+all: dual_control.a

 dual_control.a: $(MODULEOBJS)

 	ar rvs $@ $^

@@ -26,7 +26,7 @@ distclean: clean

 	@rm -f Makefile config.h

 dual_control_test: dual_control_test.c $(LOGICOBJS)

-	$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ $^

+	$(CC) $(CFLAGS) $(CPPFLAGS) -lpam -o $@ $^

 .PHONY: test

 test: dual_control_test

@@ -36,7 +36,7 @@ test: dual_control_test

 .PHONY: install

 install: $(MODULEOBJS)

 ifeq ($(UNAME_S), Linux)

-	ld $(LDFLAGS) -x --shared -o $(DESTDIR)@PAM_MODULE_DIRECTORY@/$(MODULELIB) $(MODULEOBJS)

+	ld $(LDFLAGS) -x --shared -lpam -o $(DESTDIR)@PAM_MODULE_DIRECTORY@/$(MODULELIB) $(MODULEOBJS)

 else

 	@echo installation recipe not known for $(UNAME_S)

 endif

@@ -12,7 +12,30 @@ PAM_EXTERN int pam_sm_authenticate(pam_handle_t *pamh, int flags, int argc, cons

     printf("Authentication\n");

     log_dual_control();

-    return PAM_SUCCESS;

+    struct pam_conv *conversation;

+    int get_item_result = pam_get_item(pamh, PAM_CONV, (void *)&conversation);

+    if (get_item_result != PAM_SUCCESS) {

+        return get_item_result;

+    }

+

+    struct pam_message msg1;

+    msg1.msg_style = PAM_PROMPT_ECHO_ON;

+    msg1.msg = "Birthday: ";

+

+    struct pam_message *messages[1];

+    messages[0] = &msg1;

+

+

+    struct pam_response *responses[1];

+

+

+    int conversation_result  = conversation->conv(1, &messages, &responses, conversation->appdata_ptr);

+    if (conversation_result != PAM_SUCCESS) {

+        return conversation_result;

+    }

+

+   printf("code: %d   response: %s\n", responses[0]->resp_retcode, responses[0]->resp);

+   return PAM_SUCCESS;

 }

 PAM_EXTERN int pam_sm_setcred(pam_handle_t *pamh, int flags, int argc, const char **argv) {