107 	KbdintAuthctxt *kbdintctxt;  in kbdint_alloc()  local
116 	kbdintctxt = xcalloc(1, sizeof(KbdintAuthctxt));  in kbdint_alloc()
125 		if ((kbdintctxt->devices = sshbuf_dup_string(&b)) == NULL)  in kbdint_alloc()
129 		kbdintctxt->devices = xstrdup(devs);  in kbdint_alloc()
131 	debug("kbdint_alloc: devices '%s'", kbdintctxt->devices);  in kbdint_alloc()
132 	kbdintctxt->ctxt = NULL;  in kbdint_alloc()
133 	kbdintctxt->device = NULL;  in kbdint_alloc()
134 	kbdintctxt->nreq = 0;  in kbdint_alloc()
136 	return kbdintctxt;  in kbdint_alloc()
139 kbdint_reset_device(KbdintAuthctxt *kbdintctxt)  in kbdint_reset_device()  argument
141 	if (kbdintctxt->ctxt) {  in kbdint_reset_device()
142 		kbdintctxt->device->free_ctx(kbdintctxt->ctxt);  in kbdint_reset_device()
143 		kbdintctxt->ctxt = NULL;  in kbdint_reset_device()
145 	kbdintctxt->device = NULL;  in kbdint_reset_device()
148 kbdint_free(KbdintAuthctxt *kbdintctxt)  in kbdint_free()  argument
150 	if (kbdintctxt->device)  in kbdint_free()
151 		kbdint_reset_device(kbdintctxt);  in kbdint_free()
152 	free(kbdintctxt->devices);  in kbdint_free()
153 	explicit_bzero(kbdintctxt, sizeof(*kbdintctxt));  in kbdint_free()
154 	free(kbdintctxt);  in kbdint_free()
158 kbdint_next_device(Authctxt *authctxt, KbdintAuthctxt *kbdintctxt)  in kbdint_next_device()  argument
164 	if (kbdintctxt->device)  in kbdint_next_device()
165 		kbdint_reset_device(kbdintctxt);  in kbdint_next_device()
167 		len = kbdintctxt->devices ?  in kbdint_next_device()
168 		    strcspn(kbdintctxt->devices, ",") : 0;  in kbdint_next_device()
173 			if ((kbdintctxt->devices_done & (1 << i)) != 0 ||  in kbdint_next_device()
177 			if (strncmp(kbdintctxt->devices, devices[i]->name,  in kbdint_next_device()
179 				kbdintctxt->device = devices[i];  in kbdint_next_device()
180 				kbdintctxt->devices_done |= 1 << i;  in kbdint_next_device()
183 		t = kbdintctxt->devices;  in kbdint_next_device()
184 		kbdintctxt->devices = t[len] ? xstrdup(t+len+1) : NULL;  in kbdint_next_device()
186 		debug2("kbdint_next_device: devices %s", kbdintctxt->devices ?  in kbdint_next_device()
187 		    kbdintctxt->devices : "<empty>");  in kbdint_next_device()
188 	} while (kbdintctxt->devices && !kbdintctxt->device);  in kbdint_next_device()
190 	return kbdintctxt->device ? 1 : 0;  in kbdint_next_device()
206 	if (authctxt->kbdintctxt == NULL)  in auth2_challenge()
207 		authctxt->kbdintctxt = kbdint_alloc(devs);  in auth2_challenge()
217 	if (authctxt->kbdintctxt != NULL) {  in auth2_challenge_stop()
218 		kbdint_free(authctxt->kbdintctxt);  in auth2_challenge_stop()
219 		authctxt->kbdintctxt = NULL;  in auth2_challenge_stop()
227 	KbdintAuthctxt *kbdintctxt = authctxt->kbdintctxt;  in auth2_challenge_start()  local
230 	    kbdintctxt->devices ?  kbdintctxt->devices : "<empty>");  in auth2_challenge_start()
232 	if (kbdint_next_device(authctxt, kbdintctxt) == 0) {  in auth2_challenge_start()
237 	    kbdintctxt->device->name);  in auth2_challenge_start()
239 	if ((kbdintctxt->ctxt = kbdintctxt->device->init_ctx(authctxt)) == NULL) {  in auth2_challenge_start()
257 	KbdintAuthctxt *kbdintctxt;  in send_userauth_info_request()  local
261 	kbdintctxt = authctxt->kbdintctxt;  in send_userauth_info_request()
262 	if (kbdintctxt->device->query(kbdintctxt->ctxt,  in send_userauth_info_request()
263 	    &name, &instr, &kbdintctxt->nreq, &prompts, &echo_on))  in send_userauth_info_request()
270 	packet_put_int(kbdintctxt->nreq);  in send_userauth_info_request()
271 	for (i = 0; i < kbdintctxt->nreq; i++) {  in send_userauth_info_request()
278 	for (i = 0; i < kbdintctxt->nreq; i++)  in send_userauth_info_request()
291 	KbdintAuthctxt *kbdintctxt;  in input_userauth_info_response()  local
299 	kbdintctxt = authctxt->kbdintctxt;  in input_userauth_info_response()
300 	if (kbdintctxt == NULL || kbdintctxt->ctxt == NULL)  in input_userauth_info_response()
302 	if (kbdintctxt->device == NULL)  in input_userauth_info_response()
307 	if (nresp != kbdintctxt->nreq)  in input_userauth_info_response()
318 	res = kbdintctxt->device->respond(kbdintctxt->ctxt, nresp, response);  in input_userauth_info_response()
340 	devicename = kbdintctxt->device->name;  in input_userauth_info_response()