Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Copyright (c) 2018 Yubico AB. All rights reserved. |
3 | | * Use of this source code is governed by a BSD-style |
4 | | * license that can be found in the LICENSE file. |
5 | | */ |
6 | | |
7 | | #include <openssl/sha.h> |
8 | | #include "fido.h" |
9 | | |
10 | | #ifndef TLS |
11 | | #define TLS |
12 | | #endif |
13 | | |
14 | | typedef struct dev_manifest_func_node { |
15 | | dev_manifest_func_t manifest_func; |
16 | | struct dev_manifest_func_node *next; |
17 | | } dev_manifest_func_node_t; |
18 | | |
19 | | static TLS dev_manifest_func_node_t *manifest_funcs = NULL; |
20 | | static TLS bool disable_u2f_fallback; |
21 | | |
22 | | static void |
23 | | find_manifest_func_node(dev_manifest_func_t f, dev_manifest_func_node_t **curr, |
24 | | dev_manifest_func_node_t **prev) |
25 | 2.26k | { |
26 | 2.26k | *prev = NULL; |
27 | 2.26k | *curr = manifest_funcs; |
28 | | |
29 | 3.40k | while (*curr != NULL && (*curr)->manifest_func != f) { |
30 | 1.13k | *prev = *curr; |
31 | 1.13k | *curr = (*curr)->next; |
32 | 1.13k | } |
33 | 2.26k | } |
34 | | |
35 | | #ifdef FIDO_FUZZ |
36 | | static void |
37 | | set_random_report_len(fido_dev_t *dev) |
38 | 64.7k | { |
39 | 64.7k | dev->rx_len = CTAP_MIN_REPORT_LEN + |
40 | 64.7k | uniform_random(CTAP_MAX_REPORT_LEN - CTAP_MIN_REPORT_LEN + 1); |
41 | 64.7k | dev->tx_len = CTAP_MIN_REPORT_LEN + |
42 | 64.7k | uniform_random(CTAP_MAX_REPORT_LEN - CTAP_MIN_REPORT_LEN + 1); |
43 | 64.7k | } |
44 | | #endif |
45 | | |
46 | | static void |
47 | | fido_dev_set_extension_flags(fido_dev_t *dev, const fido_cbor_info_t *info) |
48 | 7.87k | { |
49 | 7.87k | char * const *ptr = fido_cbor_info_extensions_ptr(info); |
50 | 7.87k | size_t len = fido_cbor_info_extensions_len(info); |
51 | | |
52 | 23.6k | for (size_t i = 0; i < len; i++) |
53 | 15.7k | if (strcmp(ptr[i], "credProtect") == 0) |
54 | 3.80k | dev->flags |= FIDO_DEV_CRED_PROT; |
55 | 7.87k | } |
56 | | |
57 | | static void |
58 | | fido_dev_set_option_flags(fido_dev_t *dev, const fido_cbor_info_t *info) |
59 | 7.87k | { |
60 | 7.87k | char * const *ptr = fido_cbor_info_options_name_ptr(info); |
61 | 7.87k | const bool *val = fido_cbor_info_options_value_ptr(info); |
62 | 7.87k | size_t len = fido_cbor_info_options_len(info); |
63 | | |
64 | 47.5k | for (size_t i = 0; i < len; i++) |
65 | 39.6k | if (strcmp(ptr[i], "clientPin") == 0) { |
66 | 3.79k | dev->flags |= val[i] ? FIDO_DEV_PIN_SET : FIDO_DEV_PIN_UNSET; |
67 | 35.8k | } else if (strcmp(ptr[i], "credMgmt") == 0 || |
68 | 35.8k | strcmp(ptr[i], "credentialMgmtPreview") == 0) { |
69 | 3.19k | if (val[i]) |
70 | 3.16k | dev->flags |= FIDO_DEV_CREDMAN; |
71 | 32.6k | } else if (strcmp(ptr[i], "uv") == 0) { |
72 | 586 | dev->flags |= val[i] ? FIDO_DEV_UV_SET : FIDO_DEV_UV_UNSET; |
73 | 32.1k | } else if (strcmp(ptr[i], "pinUvAuthToken") == 0) { |
74 | 402 | if (val[i]) |
75 | 388 | dev->flags |= FIDO_DEV_TOKEN_PERMS; |
76 | 402 | } |
77 | 7.87k | } |
78 | | |
79 | | static void |
80 | | fido_dev_set_protocol_flags(fido_dev_t *dev, const fido_cbor_info_t *info) |
81 | 7.87k | { |
82 | 7.87k | const uint8_t *ptr = fido_cbor_info_protocols_ptr(info); |
83 | 7.87k | size_t len = fido_cbor_info_protocols_len(info); |
84 | | |
85 | 17.0k | for (size_t i = 0; i < len; i++) |
86 | 9.21k | switch (ptr[i]) { |
87 | 7.14k | case CTAP_PIN_PROTOCOL1: |
88 | 7.14k | dev->flags |= FIDO_DEV_PIN_PROTOCOL1; |
89 | 7.14k | break; |
90 | 977 | case CTAP_PIN_PROTOCOL2: |
91 | 977 | dev->flags |= FIDO_DEV_PIN_PROTOCOL2; |
92 | 977 | break; |
93 | 1.09k | default: |
94 | 1.09k | fido_log_debug("%s: unknown protocol %u", __func__, |
95 | 1.09k | ptr[i]); |
96 | 1.09k | break; |
97 | 9.21k | } |
98 | 7.87k | } |
99 | | |
100 | | static void |
101 | | fido_dev_set_flags(fido_dev_t *dev, const fido_cbor_info_t *info) |
102 | 7.87k | { |
103 | 7.87k | fido_dev_set_extension_flags(dev, info); |
104 | 7.87k | fido_dev_set_option_flags(dev, info); |
105 | 7.87k | fido_dev_set_protocol_flags(dev, info); |
106 | 7.87k | } |
107 | | |
108 | | static int |
109 | | fido_dev_open_tx(fido_dev_t *dev, const char *path, int *ms) |
110 | 64.7k | { |
111 | 64.7k | int r; |
112 | | |
113 | 64.7k | if (dev->io_handle != NULL) { |
114 | 0 | fido_log_debug("%s: handle=%p", __func__, dev->io_handle); |
115 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
116 | 0 | } |
117 | | |
118 | 64.7k | if (dev->io.open == NULL || dev->io.close == NULL) { |
119 | 0 | fido_log_debug("%s: NULL open/close", __func__); |
120 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
121 | 0 | } |
122 | | |
123 | 64.7k | if (dev->cid != CTAP_CID_BROADCAST) { |
124 | 0 | fido_log_debug("%s: cid=0x%x", __func__, dev->cid); |
125 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
126 | 0 | } |
127 | | |
128 | 64.7k | if (fido_get_random(&dev->nonce, sizeof(dev->nonce)) < 0) { |
129 | 0 | fido_log_debug("%s: fido_get_random", __func__); |
130 | 0 | return (FIDO_ERR_INTERNAL); |
131 | 0 | } |
132 | | |
133 | 64.7k | if ((dev->io_handle = dev->io.open(path)) == NULL) { |
134 | 0 | fido_log_debug("%s: dev->io.open", __func__); |
135 | 0 | return (FIDO_ERR_INTERNAL); |
136 | 0 | } |
137 | | |
138 | 64.7k | if (dev->io_own) { |
139 | 64.7k | dev->rx_len = CTAP_MAX_REPORT_LEN; |
140 | 64.7k | dev->tx_len = CTAP_MAX_REPORT_LEN; |
141 | 64.7k | } else { |
142 | 0 | dev->rx_len = fido_hid_report_in_len(dev->io_handle); |
143 | 0 | dev->tx_len = fido_hid_report_out_len(dev->io_handle); |
144 | 0 | } |
145 | | |
146 | 64.7k | #ifdef FIDO_FUZZ |
147 | 64.7k | set_random_report_len(dev); |
148 | 64.7k | #endif |
149 | | |
150 | 64.7k | if (dev->rx_len < CTAP_MIN_REPORT_LEN || |
151 | 64.7k | dev->rx_len > CTAP_MAX_REPORT_LEN) { |
152 | 0 | fido_log_debug("%s: invalid rx_len %zu", __func__, dev->rx_len); |
153 | 0 | r = FIDO_ERR_RX; |
154 | 0 | goto fail; |
155 | 0 | } |
156 | | |
157 | 64.7k | if (dev->tx_len < CTAP_MIN_REPORT_LEN || |
158 | 64.7k | dev->tx_len > CTAP_MAX_REPORT_LEN) { |
159 | 0 | fido_log_debug("%s: invalid tx_len %zu", __func__, dev->tx_len); |
160 | 0 | r = FIDO_ERR_TX; |
161 | 0 | goto fail; |
162 | 0 | } |
163 | | |
164 | 64.7k | if (fido_tx(dev, CTAP_CMD_INIT, &dev->nonce, sizeof(dev->nonce), |
165 | 64.7k | ms) < 0) { |
166 | 1.56k | fido_log_debug("%s: fido_tx", __func__); |
167 | 1.56k | r = FIDO_ERR_TX; |
168 | 1.56k | goto fail; |
169 | 1.56k | } |
170 | | |
171 | 63.1k | return (FIDO_OK); |
172 | 1.56k | fail: |
173 | 1.56k | dev->io.close(dev->io_handle); |
174 | 1.56k | dev->io_handle = NULL; |
175 | | |
176 | 1.56k | return (r); |
177 | 63.1k | } |
178 | | |
179 | | static int |
180 | | fido_dev_open_rx(fido_dev_t *dev, int *ms) |
181 | 63.1k | { |
182 | 63.1k | fido_cbor_info_t *info = NULL; |
183 | 63.1k | int reply_len; |
184 | 63.1k | int r; |
185 | | |
186 | 63.1k | if ((reply_len = fido_rx(dev, CTAP_CMD_INIT, &dev->attr, |
187 | 63.1k | sizeof(dev->attr), ms)) < 0) { |
188 | 36.0k | fido_log_debug("%s: fido_rx", __func__); |
189 | 36.0k | r = FIDO_ERR_RX; |
190 | 36.0k | goto fail; |
191 | 36.0k | } |
192 | | |
193 | 27.1k | #ifdef FIDO_FUZZ |
194 | 27.1k | dev->attr.nonce = dev->nonce; |
195 | 27.1k | #endif |
196 | | |
197 | 27.1k | if ((size_t)reply_len != sizeof(dev->attr) || |
198 | 27.1k | dev->attr.nonce != dev->nonce) { |
199 | 569 | fido_log_debug("%s: invalid nonce", __func__); |
200 | 569 | r = FIDO_ERR_RX; |
201 | 569 | goto fail; |
202 | 569 | } |
203 | | |
204 | 26.5k | dev->flags = 0; |
205 | 26.5k | dev->cid = dev->attr.cid; |
206 | | |
207 | 26.5k | if (fido_dev_is_fido2(dev)) { |
208 | 21.2k | if ((info = fido_cbor_info_new()) == NULL) { |
209 | 67 | fido_log_debug("%s: fido_cbor_info_new", __func__); |
210 | 67 | r = FIDO_ERR_INTERNAL; |
211 | 67 | goto fail; |
212 | 67 | } |
213 | 21.1k | if ((r = fido_dev_get_cbor_info_wait(dev, info, |
214 | 21.1k | ms)) != FIDO_OK) { |
215 | 13.2k | fido_log_debug("%s: fido_dev_cbor_info_wait: %d", |
216 | 13.2k | __func__, r); |
217 | 13.2k | if (disable_u2f_fallback) |
218 | 0 | goto fail; |
219 | 13.2k | fido_log_debug("%s: falling back to u2f", __func__); |
220 | 13.2k | fido_dev_force_u2f(dev); |
221 | 13.2k | } else { |
222 | 7.87k | fido_dev_set_flags(dev, info); |
223 | 7.87k | } |
224 | 21.1k | } |
225 | | |
226 | 26.5k | if (fido_dev_is_fido2(dev) && info != NULL) { |
227 | 7.87k | dev->maxmsgsize = fido_cbor_info_maxmsgsiz(info); |
228 | 7.87k | fido_log_debug("%s: FIDO_MAXMSG=%d, maxmsgsiz=%lu", __func__, |
229 | 7.87k | FIDO_MAXMSG, (unsigned long)dev->maxmsgsize); |
230 | 7.87k | } |
231 | | |
232 | 26.4k | r = FIDO_OK; |
233 | 63.1k | fail: |
234 | 63.1k | fido_cbor_info_free(&info); |
235 | | |
236 | 63.1k | if (r != FIDO_OK) { |
237 | 36.6k | dev->io.close(dev->io_handle); |
238 | 36.6k | dev->io_handle = NULL; |
239 | 36.6k | } |
240 | | |
241 | 63.1k | return (r); |
242 | 26.4k | } |
243 | | |
244 | | static int |
245 | | fido_dev_open_wait(fido_dev_t *dev, const char *path, int *ms) |
246 | 64.7k | { |
247 | 64.7k | int r; |
248 | | |
249 | | #ifdef USE_WINHELLO |
250 | | if (strcmp(path, FIDO_WINHELLO_PATH) == 0) |
251 | | return (fido_winhello_open(dev)); |
252 | | #endif |
253 | 64.7k | if ((r = fido_dev_open_tx(dev, path, ms)) != FIDO_OK || |
254 | 64.7k | (r = fido_dev_open_rx(dev, ms)) != FIDO_OK) |
255 | 64.7k | return (r); |
256 | | |
257 | 26.4k | return (FIDO_OK); |
258 | 26.4k | } |
259 | | |
260 | | int |
261 | | fido_dev_register_manifest_func(const dev_manifest_func_t f) |
262 | 2.26k | { |
263 | 2.26k | dev_manifest_func_node_t *prev, *curr, *n; |
264 | | |
265 | 2.26k | find_manifest_func_node(f, &curr, &prev); |
266 | 2.26k | if (curr != NULL) |
267 | 2.26k | return (FIDO_OK); |
268 | | |
269 | 2 | if ((n = calloc(1, sizeof(*n))) == NULL) { |
270 | 0 | fido_log_debug("%s: calloc", __func__); |
271 | 0 | return (FIDO_ERR_INTERNAL); |
272 | 0 | } |
273 | | |
274 | 2 | n->manifest_func = f; |
275 | 2 | n->next = manifest_funcs; |
276 | 2 | manifest_funcs = n; |
277 | | |
278 | 2 | return (FIDO_OK); |
279 | 2 | } |
280 | | |
281 | | void |
282 | | fido_dev_unregister_manifest_func(const dev_manifest_func_t f) |
283 | 0 | { |
284 | 0 | dev_manifest_func_node_t *prev, *curr; |
285 | |
|
286 | 0 | find_manifest_func_node(f, &curr, &prev); |
287 | 0 | if (curr == NULL) |
288 | 0 | return; |
289 | 0 | if (prev != NULL) |
290 | 0 | prev->next = curr->next; |
291 | 0 | else |
292 | 0 | manifest_funcs = curr->next; |
293 | |
|
294 | 0 | free(curr); |
295 | 0 | } |
296 | | |
297 | | int |
298 | | fido_dev_info_manifest(fido_dev_info_t *devlist, size_t ilen, size_t *olen) |
299 | 1.13k | { |
300 | 1.13k | dev_manifest_func_node_t *curr = NULL; |
301 | 1.13k | dev_manifest_func_t m_func; |
302 | 1.13k | size_t curr_olen; |
303 | 1.13k | int r; |
304 | | |
305 | 1.13k | *olen = 0; |
306 | | |
307 | 1.13k | if (fido_dev_register_manifest_func(fido_hid_manifest) != FIDO_OK) |
308 | 1.13k | return (FIDO_ERR_INTERNAL); |
309 | 1.13k | #ifdef NFC_LINUX |
310 | 1.13k | if (fido_dev_register_manifest_func(fido_nfc_manifest) != FIDO_OK) |
311 | 1.13k | return (FIDO_ERR_INTERNAL); |
312 | 1.13k | #endif |
313 | | #ifdef USE_WINHELLO |
314 | | if (fido_dev_register_manifest_func(fido_winhello_manifest) != FIDO_OK) |
315 | | return (FIDO_ERR_INTERNAL); |
316 | | #endif |
317 | | |
318 | 3.34k | for (curr = manifest_funcs; curr != NULL; curr = curr->next) { |
319 | 2.25k | curr_olen = 0; |
320 | 2.25k | m_func = curr->manifest_func; |
321 | 2.25k | r = m_func(devlist + *olen, ilen - *olen, &curr_olen); |
322 | 2.25k | if (r != FIDO_OK) |
323 | 2.25k | return (r); |
324 | 2.23k | *olen += curr_olen; |
325 | 2.23k | if (*olen == ilen) |
326 | 25 | break; |
327 | 2.23k | } |
328 | | |
329 | 1.13k | return (FIDO_OK); |
330 | 1.13k | } |
331 | | |
332 | | int |
333 | | fido_dev_open_with_info(fido_dev_t *dev) |
334 | 0 | { |
335 | 0 | int ms = dev->timeout_ms; |
336 | |
|
337 | 0 | if (dev->path == NULL) |
338 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
339 | | |
340 | 0 | return (fido_dev_open_wait(dev, dev->path, &ms)); |
341 | 0 | } |
342 | | |
343 | | int |
344 | | fido_dev_open(fido_dev_t *dev, const char *path) |
345 | 64.7k | { |
346 | 64.7k | int ms = dev->timeout_ms; |
347 | | |
348 | 64.7k | #ifdef NFC_LINUX |
349 | 64.7k | if (strncmp(path, FIDO_NFC_PREFIX, strlen(FIDO_NFC_PREFIX)) == 0) { |
350 | 0 | dev->io_own = true; |
351 | 0 | dev->io = (fido_dev_io_t) { |
352 | 0 | fido_nfc_open, |
353 | 0 | fido_nfc_close, |
354 | 0 | fido_nfc_read, |
355 | 0 | fido_nfc_write, |
356 | 0 | }; |
357 | 0 | dev->transport = (fido_dev_transport_t) { |
358 | 0 | fido_nfc_rx, |
359 | 0 | fido_nfc_tx, |
360 | 0 | }; |
361 | 0 | } |
362 | 64.7k | #endif |
363 | | |
364 | 64.7k | return (fido_dev_open_wait(dev, path, &ms)); |
365 | 64.7k | } |
366 | | |
367 | | int |
368 | | fido_dev_close(fido_dev_t *dev) |
369 | 26.4k | { |
370 | | #ifdef USE_WINHELLO |
371 | | if (dev->flags & FIDO_DEV_WINHELLO) |
372 | | return (fido_winhello_close(dev)); |
373 | | #endif |
374 | 26.4k | if (dev->io_handle == NULL || dev->io.close == NULL) |
375 | 26.4k | return (FIDO_ERR_INVALID_ARGUMENT); |
376 | | |
377 | 26.4k | dev->io.close(dev->io_handle); |
378 | 26.4k | dev->io_handle = NULL; |
379 | 26.4k | dev->cid = CTAP_CID_BROADCAST; |
380 | | |
381 | 26.4k | return (FIDO_OK); |
382 | 26.4k | } |
383 | | |
384 | | int |
385 | | fido_dev_set_sigmask(fido_dev_t *dev, const fido_sigset_t *sigmask) |
386 | 0 | { |
387 | 0 | if (dev->io_handle == NULL || sigmask == NULL) |
388 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
389 | | |
390 | 0 | #ifdef NFC_LINUX |
391 | 0 | if (dev->transport.rx == fido_nfc_rx && dev->io.read == fido_nfc_read) |
392 | 0 | return (fido_nfc_set_sigmask(dev->io_handle, sigmask)); |
393 | 0 | #endif |
394 | 0 | if (dev->transport.rx == NULL && dev->io.read == fido_hid_read) |
395 | 0 | return (fido_hid_set_sigmask(dev->io_handle, sigmask)); |
396 | | |
397 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
398 | 0 | } |
399 | | |
400 | | int |
401 | | fido_dev_cancel(fido_dev_t *dev) |
402 | 6.44k | { |
403 | 6.44k | int ms = dev->timeout_ms; |
404 | | |
405 | | #ifdef USE_WINHELLO |
406 | | if (dev->flags & FIDO_DEV_WINHELLO) |
407 | | return (fido_winhello_cancel(dev)); |
408 | | #endif |
409 | 6.44k | if (fido_dev_is_fido2(dev) == false) |
410 | 6.44k | return (FIDO_ERR_INVALID_ARGUMENT); |
411 | 2.47k | if (fido_tx(dev, CTAP_CMD_CANCEL, NULL, 0, &ms) < 0) |
412 | 97 | return (FIDO_ERR_TX); |
413 | | |
414 | 2.37k | return (FIDO_OK); |
415 | 2.37k | } |
416 | | |
417 | | int |
418 | | fido_dev_get_touch_begin(fido_dev_t *dev) |
419 | 2.23k | { |
420 | 2.23k | fido_blob_t f; |
421 | 2.23k | cbor_item_t *argv[9]; |
422 | 2.23k | const char *clientdata = FIDO_DUMMY_CLIENTDATA; |
423 | 2.23k | const uint8_t user_id = FIDO_DUMMY_USER_ID; |
424 | 2.23k | unsigned char cdh[SHA256_DIGEST_LENGTH]; |
425 | 2.23k | fido_rp_t rp; |
426 | 2.23k | fido_user_t user; |
427 | 2.23k | int ms = dev->timeout_ms; |
428 | 2.23k | int r = FIDO_ERR_INTERNAL; |
429 | | |
430 | 2.23k | memset(&f, 0, sizeof(f)); |
431 | 2.23k | memset(argv, 0, sizeof(argv)); |
432 | 2.23k | memset(cdh, 0, sizeof(cdh)); |
433 | 2.23k | memset(&rp, 0, sizeof(rp)); |
434 | 2.23k | memset(&user, 0, sizeof(user)); |
435 | | |
436 | 2.23k | if (fido_dev_is_fido2(dev) == false) |
437 | 2.23k | return (u2f_get_touch_begin(dev, &ms)); |
438 | | |
439 | 173 | if (SHA256((const void *)clientdata, strlen(clientdata), cdh) != cdh) { |
440 | 1 | fido_log_debug("%s: sha256", __func__); |
441 | 1 | return (FIDO_ERR_INTERNAL); |
442 | 1 | } |
443 | | |
444 | 172 | if ((rp.id = strdup(FIDO_DUMMY_RP_ID)) == NULL || |
445 | 172 | (user.name = strdup(FIDO_DUMMY_USER_NAME)) == NULL) { |
446 | 5 | fido_log_debug("%s: strdup", __func__); |
447 | 5 | goto fail; |
448 | 5 | } |
449 | | |
450 | 167 | if (fido_blob_set(&user.id, &user_id, sizeof(user_id)) < 0) { |
451 | 2 | fido_log_debug("%s: fido_blob_set", __func__); |
452 | 2 | goto fail; |
453 | 2 | } |
454 | | |
455 | 165 | if ((argv[0] = cbor_build_bytestring(cdh, sizeof(cdh))) == NULL || |
456 | 165 | (argv[1] = cbor_encode_rp_entity(&rp)) == NULL || |
457 | 165 | (argv[2] = cbor_encode_user_entity(&user)) == NULL || |
458 | 165 | (argv[3] = cbor_encode_pubkey_param(COSE_ES256)) == NULL) { |
459 | 35 | fido_log_debug("%s: cbor encode", __func__); |
460 | 35 | goto fail; |
461 | 35 | } |
462 | | |
463 | 130 | if (fido_dev_supports_pin(dev)) { |
464 | 124 | if ((argv[7] = cbor_new_definite_bytestring()) == NULL || |
465 | 124 | (argv[8] = cbor_encode_pin_opt(dev)) == NULL) { |
466 | 3 | fido_log_debug("%s: cbor encode", __func__); |
467 | 3 | goto fail; |
468 | 3 | } |
469 | 127 | } |
470 | | |
471 | 127 | if (cbor_build_frame(CTAP_CBOR_MAKECRED, argv, nitems(argv), &f) < 0 || |
472 | 127 | fido_tx(dev, CTAP_CMD_CBOR, f.ptr, f.len, &ms) < 0) { |
473 | 27 | fido_log_debug("%s: fido_tx", __func__); |
474 | 27 | r = FIDO_ERR_TX; |
475 | 27 | goto fail; |
476 | 27 | } |
477 | | |
478 | 100 | r = FIDO_OK; |
479 | 172 | fail: |
480 | 172 | cbor_vector_free(argv, nitems(argv)); |
481 | 172 | free(f.ptr); |
482 | 172 | free(rp.id); |
483 | 172 | free(user.name); |
484 | 172 | free(user.id.ptr); |
485 | | |
486 | 172 | return (r); |
487 | 100 | } |
488 | | |
489 | | int |
490 | | fido_dev_get_touch_status(fido_dev_t *dev, int *touched, int ms) |
491 | 2.23k | { |
492 | 2.23k | int r; |
493 | | |
494 | 2.23k | *touched = 0; |
495 | | |
496 | 2.23k | if (fido_dev_is_fido2(dev) == false) |
497 | 2.23k | return (u2f_get_touch_status(dev, touched, &ms)); |
498 | | |
499 | 173 | switch ((r = fido_rx_cbor_status(dev, &ms))) { |
500 | 1 | case FIDO_ERR_PIN_AUTH_INVALID: |
501 | 2 | case FIDO_ERR_PIN_INVALID: |
502 | 3 | case FIDO_ERR_PIN_NOT_SET: |
503 | 71 | case FIDO_ERR_SUCCESS: |
504 | 71 | *touched = 1; |
505 | 71 | break; |
506 | 51 | case FIDO_ERR_RX: |
507 | | /* ignore */ |
508 | 51 | break; |
509 | 51 | default: |
510 | 51 | fido_log_debug("%s: fido_rx_cbor_status", __func__); |
511 | 51 | return (r); |
512 | 122 | } |
513 | | |
514 | 122 | return (FIDO_OK); |
515 | 122 | } |
516 | | |
517 | | int |
518 | | fido_dev_set_io_functions(fido_dev_t *dev, const fido_dev_io_t *io) |
519 | 64.7k | { |
520 | 64.7k | if (dev->io_handle != NULL) { |
521 | 0 | fido_log_debug("%s: non-NULL handle", __func__); |
522 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
523 | 0 | } |
524 | | |
525 | 64.7k | if (io == NULL || io->open == NULL || io->close == NULL || |
526 | 64.7k | io->read == NULL || io->write == NULL) { |
527 | 0 | fido_log_debug("%s: NULL function", __func__); |
528 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
529 | 0 | } |
530 | | |
531 | 64.7k | dev->io = *io; |
532 | 64.7k | dev->io_own = true; |
533 | | |
534 | 64.7k | return (FIDO_OK); |
535 | 64.7k | } |
536 | | |
537 | | int |
538 | | fido_dev_set_transport_functions(fido_dev_t *dev, const fido_dev_transport_t *t) |
539 | 660 | { |
540 | 660 | if (dev->io_handle != NULL) { |
541 | 0 | fido_log_debug("%s: non-NULL handle", __func__); |
542 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
543 | 0 | } |
544 | | |
545 | 660 | dev->transport = *t; |
546 | 660 | dev->io_own = true; |
547 | | |
548 | 660 | return (FIDO_OK); |
549 | 660 | } |
550 | | |
551 | | void |
552 | | fido_init(int flags) |
553 | 16.0k | { |
554 | 16.0k | if (flags & FIDO_DEBUG || getenv("FIDO_DEBUG") != NULL) |
555 | 16.0k | fido_log_init(); |
556 | | |
557 | 16.0k | disable_u2f_fallback = (flags & FIDO_DISABLE_U2F_FALLBACK); |
558 | 16.0k | } |
559 | | |
560 | | fido_dev_t * |
561 | | fido_dev_new(void) |
562 | 64.9k | { |
563 | 64.9k | fido_dev_t *dev; |
564 | | |
565 | 64.9k | if ((dev = calloc(1, sizeof(*dev))) == NULL) |
566 | 64.9k | return (NULL); |
567 | | |
568 | 64.7k | dev->cid = CTAP_CID_BROADCAST; |
569 | 64.7k | dev->timeout_ms = -1; |
570 | 64.7k | dev->io = (fido_dev_io_t) { |
571 | 64.7k | &fido_hid_open, |
572 | 64.7k | &fido_hid_close, |
573 | 64.7k | &fido_hid_read, |
574 | 64.7k | &fido_hid_write, |
575 | 64.7k | }; |
576 | | |
577 | 64.7k | return (dev); |
578 | 64.7k | } |
579 | | |
580 | | fido_dev_t * |
581 | | fido_dev_new_with_info(const fido_dev_info_t *di) |
582 | 0 | { |
583 | 0 | fido_dev_t *dev; |
584 | |
|
585 | 0 | if ((dev = calloc(1, sizeof(*dev))) == NULL) |
586 | 0 | return (NULL); |
587 | | |
588 | | #if 0 |
589 | | if (di->io.open == NULL || di->io.close == NULL || |
590 | | di->io.read == NULL || di->io.write == NULL) { |
591 | | fido_log_debug("%s: NULL function", __func__); |
592 | | fido_dev_free(&dev); |
593 | | return (NULL); |
594 | | } |
595 | | #endif |
596 | | |
597 | 0 | dev->io = di->io; |
598 | 0 | dev->io_own = di->transport.tx != NULL || di->transport.rx != NULL; |
599 | 0 | dev->transport = di->transport; |
600 | 0 | dev->cid = CTAP_CID_BROADCAST; |
601 | 0 | dev->timeout_ms = -1; |
602 | |
|
603 | 0 | if ((dev->path = strdup(di->path)) == NULL) { |
604 | 0 | fido_log_debug("%s: strdup", __func__); |
605 | 0 | fido_dev_free(&dev); |
606 | 0 | return (NULL); |
607 | 0 | } |
608 | | |
609 | 0 | return (dev); |
610 | 0 | } |
611 | | |
612 | | void |
613 | | fido_dev_free(fido_dev_t **dev_p) |
614 | 72.8k | { |
615 | 72.8k | fido_dev_t *dev; |
616 | | |
617 | 72.8k | if (dev_p == NULL || (dev = *dev_p) == NULL) |
618 | 72.8k | return; |
619 | | |
620 | 64.7k | free(dev->path); |
621 | 64.7k | free(dev); |
622 | | |
623 | 64.7k | *dev_p = NULL; |
624 | 64.7k | } |
625 | | |
626 | | uint8_t |
627 | | fido_dev_protocol(const fido_dev_t *dev) |
628 | 431 | { |
629 | 431 | return (dev->attr.protocol); |
630 | 431 | } |
631 | | |
632 | | uint8_t |
633 | | fido_dev_major(const fido_dev_t *dev) |
634 | 431 | { |
635 | 431 | return (dev->attr.major); |
636 | 431 | } |
637 | | |
638 | | uint8_t |
639 | | fido_dev_minor(const fido_dev_t *dev) |
640 | 431 | { |
641 | 431 | return (dev->attr.minor); |
642 | 431 | } |
643 | | |
644 | | uint8_t |
645 | | fido_dev_build(const fido_dev_t *dev) |
646 | 431 | { |
647 | 431 | return (dev->attr.build); |
648 | 431 | } |
649 | | |
650 | | uint8_t |
651 | | fido_dev_flags(const fido_dev_t *dev) |
652 | 431 | { |
653 | 431 | return (dev->attr.flags); |
654 | 431 | } |
655 | | |
656 | | bool |
657 | | fido_dev_is_fido2(const fido_dev_t *dev) |
658 | 80.1k | { |
659 | 80.1k | return (dev->attr.flags & FIDO_CAP_CBOR); |
660 | 80.1k | } |
661 | | |
662 | | bool |
663 | | fido_dev_is_winhello(const fido_dev_t *dev) |
664 | 0 | { |
665 | 0 | return (dev->flags & FIDO_DEV_WINHELLO); |
666 | 0 | } |
667 | | |
668 | | bool |
669 | | fido_dev_supports_pin(const fido_dev_t *dev) |
670 | 3.42k | { |
671 | 3.42k | return (dev->flags & (FIDO_DEV_PIN_SET|FIDO_DEV_PIN_UNSET)); |
672 | 3.42k | } |
673 | | |
674 | | bool |
675 | | fido_dev_has_pin(const fido_dev_t *dev) |
676 | 3.29k | { |
677 | 3.29k | return (dev->flags & FIDO_DEV_PIN_SET); |
678 | 3.29k | } |
679 | | |
680 | | bool |
681 | | fido_dev_supports_cred_prot(const fido_dev_t *dev) |
682 | 3.95k | { |
683 | 3.95k | return (dev->flags & FIDO_DEV_CRED_PROT); |
684 | 3.95k | } |
685 | | |
686 | | bool |
687 | | fido_dev_supports_credman(const fido_dev_t *dev) |
688 | 3.95k | { |
689 | 3.95k | return (dev->flags & FIDO_DEV_CREDMAN); |
690 | 3.95k | } |
691 | | |
692 | | bool |
693 | | fido_dev_supports_uv(const fido_dev_t *dev) |
694 | 3.29k | { |
695 | 3.29k | return (dev->flags & (FIDO_DEV_UV_SET|FIDO_DEV_UV_UNSET)); |
696 | 3.29k | } |
697 | | |
698 | | bool |
699 | | fido_dev_has_uv(const fido_dev_t *dev) |
700 | 3.40k | { |
701 | 3.40k | return (dev->flags & FIDO_DEV_UV_SET); |
702 | 3.40k | } |
703 | | |
704 | | bool |
705 | | fido_dev_supports_permissions(const fido_dev_t *dev) |
706 | 5.69k | { |
707 | 5.69k | return (dev->flags & FIDO_DEV_TOKEN_PERMS); |
708 | 5.69k | } |
709 | | |
710 | | void |
711 | | fido_dev_force_u2f(fido_dev_t *dev) |
712 | 14.7k | { |
713 | 14.7k | dev->attr.flags &= (uint8_t)~FIDO_CAP_CBOR; |
714 | 14.7k | dev->flags = 0; |
715 | 14.7k | } |
716 | | |
717 | | void |
718 | | fido_dev_force_fido2(fido_dev_t *dev) |
719 | 0 | { |
720 | 0 | dev->attr.flags |= FIDO_CAP_CBOR; |
721 | 0 | } |
722 | | |
723 | | uint8_t |
724 | | fido_dev_get_pin_protocol(const fido_dev_t *dev) |
725 | 25.4k | { |
726 | 25.4k | if (dev->flags & FIDO_DEV_PIN_PROTOCOL2) |
727 | 25.4k | return (CTAP_PIN_PROTOCOL2); |
728 | 23.7k | else if (dev->flags & FIDO_DEV_PIN_PROTOCOL1) |
729 | 23.7k | return (CTAP_PIN_PROTOCOL1); |
730 | | |
731 | 2.42k | return (0); |
732 | 2.42k | } |
733 | | |
734 | | uint64_t |
735 | | fido_dev_maxmsgsize(const fido_dev_t *dev) |
736 | 2.95k | { |
737 | 2.95k | return (dev->maxmsgsize); |
738 | 2.95k | } |
739 | | |
740 | | int |
741 | | fido_dev_set_timeout(fido_dev_t *dev, int ms) |
742 | 64.7k | { |
743 | 64.7k | if (ms < -1) |
744 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
745 | | |
746 | 64.7k | dev->timeout_ms = ms; |
747 | | |
748 | 64.7k | return (FIDO_OK); |
749 | 64.7k | } |