Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Copyright (c) 2018-2021 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 <openssl/x509.h> |
9 | | |
10 | | #include "fido.h" |
11 | | #include "fido/es256.h" |
12 | | |
13 | | #ifndef FIDO_MAXMSG_CRED |
14 | 1.30k | #define FIDO_MAXMSG_CRED 4096 |
15 | | #endif |
16 | | |
17 | | static int |
18 | | parse_makecred_reply(const cbor_item_t *key, const cbor_item_t *val, void *arg) |
19 | 1.35k | { |
20 | 1.35k | fido_cred_t *cred = arg; |
21 | | |
22 | 1.35k | if (cbor_isa_uint(key) == false || |
23 | 1.35k | cbor_int_get_width(key) != CBOR_INT_8) { |
24 | 24 | fido_log_debug("%s: cbor type", __func__); |
25 | 24 | return (0); /* ignore */ |
26 | 24 | } |
27 | | |
28 | 1.33k | switch (cbor_get_uint8(key)) { |
29 | 576 | case 1: /* fmt */ |
30 | 576 | return (cbor_decode_fmt(val, &cred->fmt)); |
31 | 439 | case 2: /* authdata */ |
32 | 439 | if (fido_blob_decode(val, &cred->authdata_raw) < 0) { |
33 | 1 | fido_log_debug("%s: fido_blob_decode", __func__); |
34 | 1 | return (-1); |
35 | 1 | } |
36 | 438 | return (cbor_decode_cred_authdata(val, cred->type, |
37 | 438 | &cred->authdata_cbor, &cred->authdata, &cred->attcred, |
38 | 438 | &cred->authdata_ext)); |
39 | 305 | case 3: /* attestation statement */ |
40 | 305 | return (cbor_decode_attstmt(val, &cred->attstmt)); |
41 | 1 | case 5: /* large blob key */ |
42 | 1 | return (fido_blob_decode(val, &cred->largeblob_key)); |
43 | 10 | default: /* ignore */ |
44 | 10 | fido_log_debug("%s: cbor type", __func__); |
45 | 10 | return (0); |
46 | 1.33k | } |
47 | 1.33k | } |
48 | | |
49 | | static int |
50 | | fido_dev_make_cred_tx(fido_dev_t *dev, fido_cred_t *cred, const char *pin, |
51 | | int *ms) |
52 | 1.15k | { |
53 | 1.15k | fido_blob_t f; |
54 | 1.15k | fido_blob_t *ecdh = NULL; |
55 | 1.15k | fido_opt_t uv = cred->uv; |
56 | 1.15k | es256_pk_t *pk = NULL; |
57 | 1.15k | cbor_item_t *argv[9]; |
58 | 1.15k | const uint8_t cmd = CTAP_CBOR_MAKECRED; |
59 | 1.15k | int r; |
60 | | |
61 | 1.15k | memset(&f, 0, sizeof(f)); |
62 | 1.15k | memset(argv, 0, sizeof(argv)); |
63 | | |
64 | 1.15k | if (cred->cdh.ptr == NULL || cred->type == 0) { |
65 | 2 | fido_log_debug("%s: cdh=%p, type=%d", __func__, |
66 | 2 | (void *)cred->cdh.ptr, cred->type); |
67 | 2 | r = FIDO_ERR_INVALID_ARGUMENT; |
68 | 2 | goto fail; |
69 | 2 | } |
70 | | |
71 | 1.15k | if ((argv[0] = fido_blob_encode(&cred->cdh)) == NULL || |
72 | 1.15k | (argv[1] = cbor_encode_rp_entity(&cred->rp)) == NULL || |
73 | 1.15k | (argv[2] = cbor_encode_user_entity(&cred->user)) == NULL || |
74 | 1.15k | (argv[3] = cbor_encode_pubkey_param(cred->type)) == NULL) { |
75 | 46 | fido_log_debug("%s: cbor encode", __func__); |
76 | 46 | r = FIDO_ERR_INTERNAL; |
77 | 46 | goto fail; |
78 | 46 | } |
79 | | |
80 | | /* excluded credentials */ |
81 | 1.10k | if (cred->excl.len) |
82 | 752 | if ((argv[4] = cbor_encode_pubkey_list(&cred->excl)) == NULL) { |
83 | 58 | fido_log_debug("%s: cbor_encode_pubkey_list", __func__); |
84 | 58 | r = FIDO_ERR_INTERNAL; |
85 | 58 | goto fail; |
86 | 58 | } |
87 | | |
88 | | /* extensions */ |
89 | 1.05k | if (cred->ext.mask) |
90 | 866 | if ((argv[5] = cbor_encode_cred_ext(&cred->ext, |
91 | 866 | &cred->blob)) == NULL) { |
92 | 10 | fido_log_debug("%s: cbor_encode_cred_ext", __func__); |
93 | 10 | r = FIDO_ERR_INTERNAL; |
94 | 10 | goto fail; |
95 | 10 | } |
96 | | |
97 | | /* user verification */ |
98 | 1.04k | if (pin != NULL || (uv == FIDO_OPT_TRUE && |
99 | 785 | fido_dev_supports_permissions(dev))) { |
100 | 785 | if ((r = fido_do_ecdh(dev, &pk, &ecdh, ms)) != FIDO_OK) { |
101 | 190 | fido_log_debug("%s: fido_do_ecdh", __func__); |
102 | 190 | goto fail; |
103 | 190 | } |
104 | 595 | if ((r = cbor_add_uv_params(dev, cmd, &cred->cdh, pk, ecdh, |
105 | 595 | pin, cred->rp.id, &argv[7], &argv[8], ms)) != FIDO_OK) { |
106 | 121 | fido_log_debug("%s: cbor_add_uv_params", __func__); |
107 | 121 | goto fail; |
108 | 121 | } |
109 | 474 | uv = FIDO_OPT_OMIT; |
110 | 474 | } |
111 | | |
112 | | /* options */ |
113 | 729 | if (cred->rk != FIDO_OPT_OMIT || uv != FIDO_OPT_OMIT) |
114 | 312 | if ((argv[6] = cbor_encode_cred_opt(cred->rk, uv)) == NULL) { |
115 | 3 | fido_log_debug("%s: cbor_encode_cred_opt", __func__); |
116 | 3 | r = FIDO_ERR_INTERNAL; |
117 | 3 | goto fail; |
118 | 3 | } |
119 | | |
120 | | /* framing and transmission */ |
121 | 726 | if (cbor_build_frame(cmd, argv, nitems(argv), &f) < 0 || |
122 | 726 | fido_tx(dev, CTAP_CMD_CBOR, f.ptr, f.len, ms) < 0) { |
123 | 71 | fido_log_debug("%s: fido_tx", __func__); |
124 | 71 | r = FIDO_ERR_TX; |
125 | 71 | goto fail; |
126 | 71 | } |
127 | | |
128 | 655 | r = FIDO_OK; |
129 | 1.15k | fail: |
130 | 1.15k | es256_pk_free(&pk); |
131 | 1.15k | fido_blob_free(&ecdh); |
132 | 1.15k | cbor_vector_free(argv, nitems(argv)); |
133 | 1.15k | free(f.ptr); |
134 | | |
135 | 1.15k | return (r); |
136 | 655 | } |
137 | | |
138 | | static int |
139 | | fido_dev_make_cred_rx(fido_dev_t *dev, fido_cred_t *cred, int *ms) |
140 | 655 | { |
141 | 655 | unsigned char *reply; |
142 | 655 | int reply_len; |
143 | 655 | int r; |
144 | | |
145 | 655 | fido_cred_reset_rx(cred); |
146 | | |
147 | 655 | if ((reply = malloc(FIDO_MAXMSG_CRED)) == NULL) { |
148 | 2 | r = FIDO_ERR_INTERNAL; |
149 | 2 | goto fail; |
150 | 2 | } |
151 | | |
152 | 653 | if ((reply_len = fido_rx(dev, CTAP_CMD_CBOR, reply, FIDO_MAXMSG_CRED, |
153 | 653 | ms)) < 0) { |
154 | 49 | fido_log_debug("%s: fido_rx", __func__); |
155 | 49 | r = FIDO_ERR_RX; |
156 | 49 | goto fail; |
157 | 49 | } |
158 | | |
159 | 604 | if ((r = cbor_parse_reply(reply, (size_t)reply_len, cred, |
160 | 604 | parse_makecred_reply)) != FIDO_OK) { |
161 | 355 | fido_log_debug("%s: parse_makecred_reply", __func__); |
162 | 355 | goto fail; |
163 | 355 | } |
164 | | |
165 | 249 | if (cred->fmt == NULL || fido_blob_is_empty(&cred->authdata_cbor) || |
166 | 249 | fido_blob_is_empty(&cred->attcred.id)) { |
167 | 8 | r = FIDO_ERR_INVALID_CBOR; |
168 | 8 | goto fail; |
169 | 8 | } |
170 | | |
171 | 241 | r = FIDO_OK; |
172 | 655 | fail: |
173 | 655 | free(reply); |
174 | | |
175 | 655 | if (r != FIDO_OK) |
176 | 414 | fido_cred_reset_rx(cred); |
177 | | |
178 | 655 | return (r); |
179 | 241 | } |
180 | | |
181 | | static int |
182 | | fido_dev_make_cred_wait(fido_dev_t *dev, fido_cred_t *cred, const char *pin, |
183 | | int *ms) |
184 | 1.15k | { |
185 | 1.15k | int r; |
186 | | |
187 | 1.15k | if ((r = fido_dev_make_cred_tx(dev, cred, pin, ms)) != FIDO_OK || |
188 | 1.15k | (r = fido_dev_make_cred_rx(dev, cred, ms)) != FIDO_OK) |
189 | 915 | return (r); |
190 | | |
191 | 241 | return (FIDO_OK); |
192 | 1.15k | } |
193 | | |
194 | | int |
195 | | fido_dev_make_cred(fido_dev_t *dev, fido_cred_t *cred, const char *pin) |
196 | 2.32k | { |
197 | 2.32k | int ms = dev->timeout_ms; |
198 | | |
199 | | #ifdef USE_WINHELLO |
200 | | if (dev->flags & FIDO_DEV_WINHELLO) |
201 | | return (fido_winhello_make_cred(dev, cred, pin, ms)); |
202 | | #endif |
203 | 2.32k | if (fido_dev_is_fido2(dev) == false) { |
204 | 1.17k | if (pin != NULL || cred->rk == FIDO_OPT_TRUE || |
205 | 1.17k | cred->ext.mask != 0) |
206 | 724 | return (FIDO_ERR_UNSUPPORTED_OPTION); |
207 | 449 | return (u2f_register(dev, cred, &ms)); |
208 | 1.17k | } |
209 | | |
210 | 1.15k | return (fido_dev_make_cred_wait(dev, cred, pin, &ms)); |
211 | 2.32k | } |
212 | | |
213 | | static int |
214 | | check_extensions(const fido_cred_ext_t *authdata_ext, |
215 | | const fido_cred_ext_t *ext) |
216 | 162 | { |
217 | 162 | fido_cred_ext_t tmp; |
218 | | |
219 | | /* XXX: largeBlobKey is not part of the extensions map */ |
220 | 162 | memcpy(&tmp, ext, sizeof(tmp)); |
221 | 162 | tmp.mask &= ~FIDO_EXT_LARGEBLOB_KEY; |
222 | | |
223 | 162 | return (timingsafe_bcmp(authdata_ext, &tmp, sizeof(*authdata_ext))); |
224 | 162 | } |
225 | | |
226 | | int |
227 | | fido_check_rp_id(const char *id, const unsigned char *obtained_hash) |
228 | 659 | { |
229 | 659 | unsigned char expected_hash[SHA256_DIGEST_LENGTH]; |
230 | | |
231 | 659 | explicit_bzero(expected_hash, sizeof(expected_hash)); |
232 | | |
233 | 659 | if (SHA256((const unsigned char *)id, strlen(id), |
234 | 659 | expected_hash) != expected_hash) { |
235 | 4 | fido_log_debug("%s: sha256", __func__); |
236 | 4 | return (-1); |
237 | 4 | } |
238 | | |
239 | 655 | return (timingsafe_bcmp(expected_hash, obtained_hash, |
240 | 655 | SHA256_DIGEST_LENGTH)); |
241 | 659 | } |
242 | | |
243 | | static int |
244 | | get_signed_hash_u2f(fido_blob_t *dgst, const unsigned char *rp_id, |
245 | | size_t rp_id_len, const fido_blob_t *clientdata, const fido_blob_t *id, |
246 | | const es256_pk_t *pk) |
247 | 66 | { |
248 | 66 | const uint8_t zero = 0; |
249 | 66 | const uint8_t four = 4; /* uncompressed point */ |
250 | 66 | const EVP_MD *md = NULL; |
251 | 66 | EVP_MD_CTX *ctx = NULL; |
252 | 66 | int ok = -1; |
253 | | |
254 | 66 | if (dgst->len != SHA256_DIGEST_LENGTH || |
255 | 66 | (md = EVP_sha256()) == NULL || |
256 | 66 | (ctx = EVP_MD_CTX_new()) == NULL || |
257 | 66 | EVP_DigestInit_ex(ctx, md, NULL) != 1 || |
258 | 66 | EVP_DigestUpdate(ctx, &zero, sizeof(zero)) != 1 || |
259 | 66 | EVP_DigestUpdate(ctx, rp_id, rp_id_len) != 1 || |
260 | 66 | EVP_DigestUpdate(ctx, clientdata->ptr, clientdata->len) != 1 || |
261 | 66 | EVP_DigestUpdate(ctx, id->ptr, id->len) != 1 || |
262 | 66 | EVP_DigestUpdate(ctx, &four, sizeof(four)) != 1 || |
263 | 66 | EVP_DigestUpdate(ctx, pk->x, sizeof(pk->x)) != 1 || |
264 | 66 | EVP_DigestUpdate(ctx, pk->y, sizeof(pk->y)) != 1 || |
265 | 66 | EVP_DigestFinal_ex(ctx, dgst->ptr, NULL) != 1) { |
266 | 14 | fido_log_debug("%s: sha256", __func__); |
267 | 14 | goto fail; |
268 | 14 | } |
269 | | |
270 | 52 | ok = 0; |
271 | 66 | fail: |
272 | 66 | EVP_MD_CTX_free(ctx); |
273 | | |
274 | 66 | return (ok); |
275 | 52 | } |
276 | | |
277 | | static int |
278 | | verify_attstmt(const fido_blob_t *dgst, const fido_attstmt_t *attstmt) |
279 | 69 | { |
280 | 69 | BIO *rawcert = NULL; |
281 | 69 | X509 *cert = NULL; |
282 | 69 | EVP_PKEY *pkey = NULL; |
283 | 69 | int ok = -1; |
284 | | |
285 | | /* openssl needs ints */ |
286 | 69 | if (attstmt->x5c.len > INT_MAX) { |
287 | 0 | fido_log_debug("%s: x5c.len=%zu", __func__, attstmt->x5c.len); |
288 | 0 | return (-1); |
289 | 0 | } |
290 | | |
291 | | /* fetch key from x509 */ |
292 | 69 | if ((rawcert = BIO_new_mem_buf(attstmt->x5c.ptr, |
293 | 69 | (int)attstmt->x5c.len)) == NULL || |
294 | 69 | (cert = d2i_X509_bio(rawcert, NULL)) == NULL || |
295 | 69 | (pkey = X509_get_pubkey(cert)) == NULL) { |
296 | 16 | fido_log_debug("%s: x509 key", __func__); |
297 | 16 | goto fail; |
298 | 16 | } |
299 | | |
300 | 53 | switch (attstmt->alg) { |
301 | 3 | case COSE_UNSPEC: |
302 | 41 | case COSE_ES256: |
303 | 41 | ok = es256_verify_sig(dgst, pkey, &attstmt->sig); |
304 | 41 | break; |
305 | 1 | case COSE_RS256: |
306 | 1 | ok = rs256_verify_sig(dgst, pkey, &attstmt->sig); |
307 | 1 | break; |
308 | 10 | case COSE_RS1: |
309 | 10 | ok = rs1_verify_sig(dgst, pkey, &attstmt->sig); |
310 | 10 | break; |
311 | 1 | case COSE_EDDSA: |
312 | 1 | ok = eddsa_verify_sig(dgst, pkey, &attstmt->sig); |
313 | 1 | break; |
314 | 0 | default: |
315 | 0 | fido_log_debug("%s: unknown alg %d", __func__, attstmt->alg); |
316 | 0 | break; |
317 | 53 | } |
318 | | |
319 | 69 | fail: |
320 | 69 | BIO_free(rawcert); |
321 | 69 | X509_free(cert); |
322 | 69 | EVP_PKEY_free(pkey); |
323 | | |
324 | 69 | return (ok); |
325 | 53 | } |
326 | | |
327 | | int |
328 | | fido_cred_verify(const fido_cred_t *cred) |
329 | 2.60k | { |
330 | 2.60k | unsigned char buf[SHA256_DIGEST_LENGTH]; |
331 | 2.60k | fido_blob_t dgst; |
332 | 2.60k | int r; |
333 | | |
334 | 2.60k | dgst.ptr = buf; |
335 | 2.60k | dgst.len = sizeof(buf); |
336 | | |
337 | | /* do we have everything we need? */ |
338 | 2.60k | if (cred->cdh.ptr == NULL || cred->authdata_cbor.ptr == NULL || |
339 | 2.60k | cred->attstmt.x5c.ptr == NULL || cred->attstmt.sig.ptr == NULL || |
340 | 2.60k | cred->fmt == NULL || cred->attcred.id.ptr == NULL || |
341 | 2.60k | cred->rp.id == NULL) { |
342 | 2.43k | fido_log_debug("%s: cdh=%p, authdata=%p, x5c=%p, sig=%p, " |
343 | 2.43k | "fmt=%p id=%p, rp.id=%s", __func__, (void *)cred->cdh.ptr, |
344 | 2.43k | (void *)cred->authdata_cbor.ptr, |
345 | 2.43k | (void *)cred->attstmt.x5c.ptr, |
346 | 2.43k | (void *)cred->attstmt.sig.ptr, (void *)cred->fmt, |
347 | 2.43k | (void *)cred->attcred.id.ptr, cred->rp.id); |
348 | 2.43k | r = FIDO_ERR_INVALID_ARGUMENT; |
349 | 2.43k | goto out; |
350 | 2.43k | } |
351 | | |
352 | 165 | if (fido_check_rp_id(cred->rp.id, cred->authdata.rp_id_hash) != 0) { |
353 | 67 | fido_log_debug("%s: fido_check_rp_id", __func__); |
354 | 67 | r = FIDO_ERR_INVALID_PARAM; |
355 | 67 | goto out; |
356 | 67 | } |
357 | | |
358 | 98 | if (fido_check_flags(cred->authdata.flags, FIDO_OPT_TRUE, |
359 | 98 | cred->uv) < 0) { |
360 | 1 | fido_log_debug("%s: fido_check_flags", __func__); |
361 | 1 | r = FIDO_ERR_INVALID_PARAM; |
362 | 1 | goto out; |
363 | 1 | } |
364 | | |
365 | 97 | if (check_extensions(&cred->authdata_ext, &cred->ext) != 0) { |
366 | 1 | fido_log_debug("%s: check_extensions", __func__); |
367 | 1 | r = FIDO_ERR_INVALID_PARAM; |
368 | 1 | goto out; |
369 | 1 | } |
370 | | |
371 | 96 | if (!strcmp(cred->fmt, "packed")) { |
372 | 9 | if (fido_get_signed_hash(COSE_ES256, &dgst, &cred->cdh, |
373 | 9 | &cred->authdata_cbor) < 0) { |
374 | 1 | fido_log_debug("%s: fido_get_signed_hash", __func__); |
375 | 1 | r = FIDO_ERR_INTERNAL; |
376 | 1 | goto out; |
377 | 1 | } |
378 | 87 | } else if (!strcmp(cred->fmt, "fido-u2f")) { |
379 | 65 | if (get_signed_hash_u2f(&dgst, cred->authdata.rp_id_hash, |
380 | 65 | sizeof(cred->authdata.rp_id_hash), &cred->cdh, |
381 | 65 | &cred->attcred.id, &cred->attcred.pubkey.es256) < 0) { |
382 | 13 | fido_log_debug("%s: get_signed_hash_u2f", __func__); |
383 | 13 | r = FIDO_ERR_INTERNAL; |
384 | 13 | goto out; |
385 | 13 | } |
386 | 65 | } else if (!strcmp(cred->fmt, "tpm")) { |
387 | 22 | if (fido_get_signed_hash_tpm(&dgst, &cred->cdh, |
388 | 22 | &cred->authdata_raw, &cred->attstmt, &cred->attcred) < 0) { |
389 | 13 | fido_log_debug("%s: fido_get_signed_hash_tpm", __func__); |
390 | 13 | r = FIDO_ERR_INTERNAL; |
391 | 13 | goto out; |
392 | 13 | } |
393 | 22 | } else { |
394 | 0 | fido_log_debug("%s: unknown fmt %s", __func__, cred->fmt); |
395 | 0 | r = FIDO_ERR_INVALID_ARGUMENT; |
396 | 0 | goto out; |
397 | 0 | } |
398 | | |
399 | 69 | if (verify_attstmt(&dgst, &cred->attstmt) < 0) { |
400 | 68 | fido_log_debug("%s: verify_attstmt", __func__); |
401 | 68 | r = FIDO_ERR_INVALID_SIG; |
402 | 68 | goto out; |
403 | 68 | } |
404 | | |
405 | 1 | r = FIDO_OK; |
406 | 2.60k | out: |
407 | 2.60k | explicit_bzero(buf, sizeof(buf)); |
408 | | |
409 | 2.60k | return (r); |
410 | 1 | } |
411 | | |
412 | | int |
413 | | fido_cred_verify_self(const fido_cred_t *cred) |
414 | 2.60k | { |
415 | 2.60k | unsigned char buf[1024]; /* XXX */ |
416 | 2.60k | fido_blob_t dgst; |
417 | 2.60k | int ok = -1; |
418 | 2.60k | int r; |
419 | | |
420 | 2.60k | dgst.ptr = buf; |
421 | 2.60k | dgst.len = sizeof(buf); |
422 | | |
423 | | /* do we have everything we need? */ |
424 | 2.60k | if (cred->cdh.ptr == NULL || cred->authdata_cbor.ptr == NULL || |
425 | 2.60k | cred->attstmt.x5c.ptr != NULL || cred->attstmt.sig.ptr == NULL || |
426 | 2.60k | cred->fmt == NULL || cred->attcred.id.ptr == NULL || |
427 | 2.60k | cred->rp.id == NULL) { |
428 | 2.49k | fido_log_debug("%s: cdh=%p, authdata=%p, x5c=%p, sig=%p, " |
429 | 2.49k | "fmt=%p id=%p, rp.id=%s", __func__, (void *)cred->cdh.ptr, |
430 | 2.49k | (void *)cred->authdata_cbor.ptr, |
431 | 2.49k | (void *)cred->attstmt.x5c.ptr, |
432 | 2.49k | (void *)cred->attstmt.sig.ptr, (void *)cred->fmt, |
433 | 2.49k | (void *)cred->attcred.id.ptr, cred->rp.id); |
434 | 2.49k | r = FIDO_ERR_INVALID_ARGUMENT; |
435 | 2.49k | goto out; |
436 | 2.49k | } |
437 | | |
438 | 104 | if (fido_check_rp_id(cred->rp.id, cred->authdata.rp_id_hash) != 0) { |
439 | 37 | fido_log_debug("%s: fido_check_rp_id", __func__); |
440 | 37 | r = FIDO_ERR_INVALID_PARAM; |
441 | 37 | goto out; |
442 | 37 | } |
443 | | |
444 | 67 | if (fido_check_flags(cred->authdata.flags, FIDO_OPT_TRUE, |
445 | 67 | cred->uv) < 0) { |
446 | 2 | fido_log_debug("%s: fido_check_flags", __func__); |
447 | 2 | r = FIDO_ERR_INVALID_PARAM; |
448 | 2 | goto out; |
449 | 2 | } |
450 | | |
451 | 65 | if (check_extensions(&cred->authdata_ext, &cred->ext) != 0) { |
452 | 1 | fido_log_debug("%s: check_extensions", __func__); |
453 | 1 | r = FIDO_ERR_INVALID_PARAM; |
454 | 1 | goto out; |
455 | 1 | } |
456 | | |
457 | 64 | if (!strcmp(cred->fmt, "packed")) { |
458 | 62 | if (fido_get_signed_hash(cred->attcred.type, &dgst, &cred->cdh, |
459 | 62 | &cred->authdata_cbor) < 0) { |
460 | 5 | fido_log_debug("%s: fido_get_signed_hash", __func__); |
461 | 5 | r = FIDO_ERR_INTERNAL; |
462 | 5 | goto out; |
463 | 5 | } |
464 | 62 | } else if (!strcmp(cred->fmt, "fido-u2f")) { |
465 | 1 | if (get_signed_hash_u2f(&dgst, cred->authdata.rp_id_hash, |
466 | 1 | sizeof(cred->authdata.rp_id_hash), &cred->cdh, |
467 | 1 | &cred->attcred.id, &cred->attcred.pubkey.es256) < 0) { |
468 | 1 | fido_log_debug("%s: get_signed_hash_u2f", __func__); |
469 | 1 | r = FIDO_ERR_INTERNAL; |
470 | 1 | goto out; |
471 | 1 | } |
472 | 1 | } else { |
473 | 1 | fido_log_debug("%s: unknown fmt %s", __func__, cred->fmt); |
474 | 1 | r = FIDO_ERR_INVALID_ARGUMENT; |
475 | 1 | goto out; |
476 | 1 | } |
477 | | |
478 | 57 | switch (cred->attcred.type) { |
479 | 2 | case COSE_ES256: |
480 | 2 | ok = es256_pk_verify_sig(&dgst, &cred->attcred.pubkey.es256, |
481 | 2 | &cred->attstmt.sig); |
482 | 2 | break; |
483 | 24 | case COSE_RS256: |
484 | 24 | ok = rs256_pk_verify_sig(&dgst, &cred->attcred.pubkey.rs256, |
485 | 24 | &cred->attstmt.sig); |
486 | 24 | break; |
487 | 31 | case COSE_EDDSA: |
488 | 31 | ok = eddsa_pk_verify_sig(&dgst, &cred->attcred.pubkey.eddsa, |
489 | 31 | &cred->attstmt.sig); |
490 | 31 | break; |
491 | 0 | default: |
492 | 0 | fido_log_debug("%s: unsupported cose_alg %d", __func__, |
493 | 0 | cred->attcred.type); |
494 | 0 | r = FIDO_ERR_UNSUPPORTED_OPTION; |
495 | 0 | goto out; |
496 | 57 | } |
497 | | |
498 | 57 | if (ok < 0) |
499 | 57 | r = FIDO_ERR_INVALID_SIG; |
500 | 0 | else |
501 | 0 | r = FIDO_OK; |
502 | | |
503 | 2.60k | out: |
504 | 2.60k | explicit_bzero(buf, sizeof(buf)); |
505 | | |
506 | 2.60k | return (r); |
507 | 57 | } |
508 | | |
509 | | fido_cred_t * |
510 | | fido_cred_new(void) |
511 | 8.82k | { |
512 | 8.82k | return (calloc(1, sizeof(fido_cred_t))); |
513 | 8.82k | } |
514 | | |
515 | | static void |
516 | | fido_cred_clean_authdata(fido_cred_t *cred) |
517 | 42.9k | { |
518 | 42.9k | fido_blob_reset(&cred->authdata_cbor); |
519 | 42.9k | fido_blob_reset(&cred->authdata_raw); |
520 | 42.9k | fido_blob_reset(&cred->attcred.id); |
521 | | |
522 | 42.9k | memset(&cred->authdata_ext, 0, sizeof(cred->authdata_ext)); |
523 | 42.9k | memset(&cred->authdata, 0, sizeof(cred->authdata)); |
524 | 42.9k | memset(&cred->attcred, 0, sizeof(cred->attcred)); |
525 | 42.9k | } |
526 | | |
527 | | static void |
528 | | fido_cred_clean_attstmt(fido_attstmt_t *attstmt) |
529 | 33.7k | { |
530 | 33.7k | fido_blob_reset(&attstmt->certinfo); |
531 | 33.7k | fido_blob_reset(&attstmt->pubarea); |
532 | 33.7k | fido_blob_reset(&attstmt->cbor); |
533 | 33.7k | fido_blob_reset(&attstmt->x5c); |
534 | 33.7k | fido_blob_reset(&attstmt->sig); |
535 | | |
536 | 33.7k | memset(attstmt, 0, sizeof(*attstmt)); |
537 | 33.7k | } |
538 | | |
539 | | void |
540 | | fido_cred_reset_tx(fido_cred_t *cred) |
541 | 22.8k | { |
542 | 22.8k | fido_blob_reset(&cred->cd); |
543 | 22.8k | fido_blob_reset(&cred->cdh); |
544 | 22.8k | fido_blob_reset(&cred->user.id); |
545 | 22.8k | fido_blob_reset(&cred->blob); |
546 | | |
547 | 22.8k | free(cred->rp.id); |
548 | 22.8k | free(cred->rp.name); |
549 | 22.8k | free(cred->user.icon); |
550 | 22.8k | free(cred->user.name); |
551 | 22.8k | free(cred->user.display_name); |
552 | 22.8k | fido_free_blob_array(&cred->excl); |
553 | | |
554 | 22.8k | memset(&cred->rp, 0, sizeof(cred->rp)); |
555 | 22.8k | memset(&cred->user, 0, sizeof(cred->user)); |
556 | 22.8k | memset(&cred->excl, 0, sizeof(cred->excl)); |
557 | 22.8k | memset(&cred->ext, 0, sizeof(cred->ext)); |
558 | | |
559 | 22.8k | cred->type = 0; |
560 | 22.8k | cred->rk = FIDO_OPT_OMIT; |
561 | 22.8k | cred->uv = FIDO_OPT_OMIT; |
562 | 22.8k | } |
563 | | |
564 | | void |
565 | | fido_cred_reset_rx(fido_cred_t *cred) |
566 | 23.8k | { |
567 | 23.8k | free(cred->fmt); |
568 | 23.8k | cred->fmt = NULL; |
569 | 23.8k | fido_cred_clean_authdata(cred); |
570 | 23.8k | fido_cred_clean_attstmt(&cred->attstmt); |
571 | 23.8k | fido_blob_reset(&cred->largeblob_key); |
572 | 23.8k | } |
573 | | |
574 | | void |
575 | | fido_cred_free(fido_cred_t **cred_p) |
576 | 8.78k | { |
577 | 8.78k | fido_cred_t *cred; |
578 | | |
579 | 8.78k | if (cred_p == NULL || (cred = *cred_p) == NULL) |
580 | 3 | return; |
581 | 8.77k | fido_cred_reset_tx(cred); |
582 | 8.77k | fido_cred_reset_rx(cred); |
583 | 8.77k | free(cred); |
584 | 8.77k | *cred_p = NULL; |
585 | 8.77k | } |
586 | | |
587 | | int |
588 | | fido_cred_set_authdata(fido_cred_t *cred, const unsigned char *ptr, size_t len) |
589 | 5.28k | { |
590 | 5.28k | cbor_item_t *item = NULL; |
591 | 5.28k | struct cbor_load_result cbor; |
592 | 5.28k | int r = FIDO_ERR_INVALID_ARGUMENT; |
593 | | |
594 | 5.28k | fido_cred_clean_authdata(cred); |
595 | | |
596 | 5.28k | if (ptr == NULL || len == 0) |
597 | 4.56k | goto fail; |
598 | | |
599 | 724 | if ((item = cbor_load(ptr, len, &cbor)) == NULL) { |
600 | 3 | fido_log_debug("%s: cbor_load", __func__); |
601 | 3 | goto fail; |
602 | 3 | } |
603 | | |
604 | 721 | if (fido_blob_decode(item, &cred->authdata_raw) < 0) { |
605 | 7 | fido_log_debug("%s: fido_blob_decode", __func__); |
606 | 7 | goto fail; |
607 | 7 | } |
608 | | |
609 | 714 | if (cbor_decode_cred_authdata(item, cred->type, &cred->authdata_cbor, |
610 | 714 | &cred->authdata, &cred->attcred, &cred->authdata_ext) < 0) { |
611 | 35 | fido_log_debug("%s: cbor_decode_cred_authdata", __func__); |
612 | 35 | goto fail; |
613 | 35 | } |
614 | | |
615 | 679 | r = FIDO_OK; |
616 | 5.28k | fail: |
617 | 5.28k | if (item != NULL) |
618 | 721 | cbor_decref(&item); |
619 | | |
620 | 5.28k | if (r != FIDO_OK) |
621 | 4.60k | fido_cred_clean_authdata(cred); |
622 | | |
623 | 5.28k | return (r); |
624 | 679 | } |
625 | | |
626 | | int |
627 | | fido_cred_set_authdata_raw(fido_cred_t *cred, const unsigned char *ptr, |
628 | | size_t len) |
629 | 4.60k | { |
630 | 4.60k | cbor_item_t *item = NULL; |
631 | 4.60k | int r = FIDO_ERR_INVALID_ARGUMENT; |
632 | | |
633 | 4.60k | fido_cred_clean_authdata(cred); |
634 | | |
635 | 4.60k | if (ptr == NULL || len == 0) |
636 | 4.56k | goto fail; |
637 | | |
638 | 43 | if (fido_blob_set(&cred->authdata_raw, ptr, len) < 0) { |
639 | 3 | fido_log_debug("%s: fido_blob_set", __func__); |
640 | 3 | r = FIDO_ERR_INTERNAL; |
641 | 3 | goto fail; |
642 | 3 | } |
643 | | |
644 | 40 | if ((item = cbor_build_bytestring(ptr, len)) == NULL) { |
645 | 2 | fido_log_debug("%s: cbor_build_bytestring", __func__); |
646 | 2 | r = FIDO_ERR_INTERNAL; |
647 | 2 | goto fail; |
648 | 2 | } |
649 | | |
650 | 38 | if (cbor_decode_cred_authdata(item, cred->type, &cred->authdata_cbor, |
651 | 38 | &cred->authdata, &cred->attcred, &cred->authdata_ext) < 0) { |
652 | 12 | fido_log_debug("%s: cbor_decode_cred_authdata", __func__); |
653 | 12 | goto fail; |
654 | 12 | } |
655 | | |
656 | 26 | r = FIDO_OK; |
657 | 4.60k | fail: |
658 | 4.60k | if (item != NULL) |
659 | 38 | cbor_decref(&item); |
660 | | |
661 | 4.60k | if (r != FIDO_OK) |
662 | 4.57k | fido_cred_clean_authdata(cred); |
663 | | |
664 | 4.60k | return (r); |
665 | 26 | } |
666 | | |
667 | | int |
668 | | fido_cred_set_id(fido_cred_t *cred, const unsigned char *ptr, size_t len) |
669 | 3.55k | { |
670 | 3.55k | if (fido_blob_set(&cred->attcred.id, ptr, len) < 0) |
671 | 13 | return (FIDO_ERR_INVALID_ARGUMENT); |
672 | | |
673 | 3.54k | return (FIDO_OK); |
674 | 3.55k | } |
675 | | |
676 | | int |
677 | | fido_cred_set_x509(fido_cred_t *cred, const unsigned char *ptr, size_t len) |
678 | 7.22k | { |
679 | 7.22k | if (fido_blob_set(&cred->attstmt.x5c, ptr, len) < 0) |
680 | 7.01k | return (FIDO_ERR_INVALID_ARGUMENT); |
681 | | |
682 | 213 | return (FIDO_OK); |
683 | 7.22k | } |
684 | | |
685 | | int |
686 | | fido_cred_set_sig(fido_cred_t *cred, const unsigned char *ptr, size_t len) |
687 | 7.22k | { |
688 | 7.22k | if (fido_blob_set(&cred->attstmt.sig, ptr, len) < 0) |
689 | 6.90k | return (FIDO_ERR_INVALID_ARGUMENT); |
690 | | |
691 | 320 | return (FIDO_OK); |
692 | 7.22k | } |
693 | | |
694 | | int |
695 | | fido_cred_set_attstmt(fido_cred_t *cred, const unsigned char *ptr, size_t len) |
696 | 5.28k | { |
697 | 5.28k | cbor_item_t *item = NULL; |
698 | 5.28k | struct cbor_load_result cbor; |
699 | 5.28k | int r = FIDO_ERR_INVALID_ARGUMENT; |
700 | | |
701 | 5.28k | fido_cred_clean_attstmt(&cred->attstmt); |
702 | | |
703 | 5.28k | if (ptr == NULL || len == 0) |
704 | 4.59k | goto fail; |
705 | | |
706 | 692 | if ((item = cbor_load(ptr, len, &cbor)) == NULL) { |
707 | 10 | fido_log_debug("%s: cbor_load", __func__); |
708 | 10 | goto fail; |
709 | 10 | } |
710 | | |
711 | 682 | if (cbor_decode_attstmt(item, &cred->attstmt) < 0) { |
712 | 35 | fido_log_debug("%s: cbor_decode_attstmt", __func__); |
713 | 35 | goto fail; |
714 | 35 | } |
715 | | |
716 | 647 | r = FIDO_OK; |
717 | 5.28k | fail: |
718 | 5.28k | if (item != NULL) |
719 | 682 | cbor_decref(&item); |
720 | | |
721 | 5.28k | if (r != FIDO_OK) |
722 | 4.63k | fido_cred_clean_attstmt(&cred->attstmt); |
723 | | |
724 | 5.28k | return (r); |
725 | 647 | } |
726 | | |
727 | | int |
728 | | fido_cred_exclude(fido_cred_t *cred, const unsigned char *id_ptr, size_t id_len) |
729 | 72.5k | { |
730 | 72.5k | fido_blob_t id_blob; |
731 | 72.5k | fido_blob_t *list_ptr; |
732 | | |
733 | 72.5k | memset(&id_blob, 0, sizeof(id_blob)); |
734 | | |
735 | 72.5k | if (fido_blob_set(&id_blob, id_ptr, id_len) < 0) |
736 | 582 | return (FIDO_ERR_INVALID_ARGUMENT); |
737 | | |
738 | 71.9k | if (cred->excl.len == SIZE_MAX) { |
739 | 0 | free(id_blob.ptr); |
740 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
741 | 0 | } |
742 | | |
743 | 71.9k | if ((list_ptr = recallocarray(cred->excl.ptr, cred->excl.len, |
744 | 71.9k | cred->excl.len + 1, sizeof(fido_blob_t))) == NULL) { |
745 | 232 | free(id_blob.ptr); |
746 | 232 | return (FIDO_ERR_INTERNAL); |
747 | 232 | } |
748 | | |
749 | 71.7k | list_ptr[cred->excl.len++] = id_blob; |
750 | 71.7k | cred->excl.ptr = list_ptr; |
751 | | |
752 | 71.7k | return (FIDO_OK); |
753 | 71.9k | } |
754 | | |
755 | | int |
756 | | fido_cred_set_clientdata(fido_cred_t *cred, const unsigned char *data, |
757 | | size_t data_len) |
758 | 0 | { |
759 | 0 | if (!fido_blob_is_empty(&cred->cdh) || |
760 | 0 | fido_blob_set(&cred->cd, data, data_len) < 0) { |
761 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
762 | 0 | } |
763 | 0 | if (fido_sha256(&cred->cdh, data, data_len) < 0) { |
764 | 0 | fido_blob_reset(&cred->cd); |
765 | 0 | return (FIDO_ERR_INTERNAL); |
766 | 0 | } |
767 | | |
768 | 0 | return (FIDO_OK); |
769 | 0 | } |
770 | | |
771 | | int |
772 | | fido_cred_set_clientdata_hash(fido_cred_t *cred, const unsigned char *hash, |
773 | | size_t hash_len) |
774 | 7.25k | { |
775 | 7.25k | if (!fido_blob_is_empty(&cred->cd) || |
776 | 7.25k | fido_blob_set(&cred->cdh, hash, hash_len) < 0) |
777 | 313 | return (FIDO_ERR_INVALID_ARGUMENT); |
778 | | |
779 | 6.94k | return (FIDO_OK); |
780 | 7.25k | } |
781 | | |
782 | | int |
783 | | fido_cred_set_rp(fido_cred_t *cred, const char *id, const char *name) |
784 | 7.25k | { |
785 | 7.25k | fido_rp_t *rp = &cred->rp; |
786 | | |
787 | 7.25k | if (rp->id != NULL) { |
788 | 2.32k | free(rp->id); |
789 | 2.32k | rp->id = NULL; |
790 | 2.32k | } |
791 | 7.25k | if (rp->name != NULL) { |
792 | 2.32k | free(rp->name); |
793 | 2.32k | rp->name = NULL; |
794 | 2.32k | } |
795 | | |
796 | 7.25k | if (id != NULL && (rp->id = strdup(id)) == NULL) |
797 | 16 | goto fail; |
798 | 7.24k | if (name != NULL && (rp->name = strdup(name)) == NULL) |
799 | 22 | goto fail; |
800 | | |
801 | 7.22k | return (FIDO_OK); |
802 | 38 | fail: |
803 | 38 | free(rp->id); |
804 | 38 | free(rp->name); |
805 | 38 | rp->id = NULL; |
806 | 38 | rp->name = NULL; |
807 | | |
808 | 38 | return (FIDO_ERR_INTERNAL); |
809 | 7.24k | } |
810 | | |
811 | | int |
812 | | fido_cred_set_user(fido_cred_t *cred, const unsigned char *user_id, |
813 | | size_t user_id_len, const char *name, const char *display_name, |
814 | | const char *icon) |
815 | 5.59k | { |
816 | 5.59k | fido_user_t *up = &cred->user; |
817 | | |
818 | 5.59k | if (up->id.ptr != NULL) { |
819 | 2.29k | free(up->id.ptr); |
820 | 2.29k | up->id.ptr = NULL; |
821 | 2.29k | up->id.len = 0; |
822 | 2.29k | } |
823 | 5.59k | if (up->name != NULL) { |
824 | 2.29k | free(up->name); |
825 | 2.29k | up->name = NULL; |
826 | 2.29k | } |
827 | 5.59k | if (up->display_name != NULL) { |
828 | 2.29k | free(up->display_name); |
829 | 2.29k | up->display_name = NULL; |
830 | 2.29k | } |
831 | 5.59k | if (up->icon != NULL) { |
832 | 2.29k | free(up->icon); |
833 | 2.29k | up->icon = NULL; |
834 | 2.29k | } |
835 | | |
836 | 5.59k | if (user_id != NULL && fido_blob_set(&up->id, user_id, user_id_len) < 0) |
837 | 17 | goto fail; |
838 | 5.57k | if (name != NULL && (up->name = strdup(name)) == NULL) |
839 | 25 | goto fail; |
840 | 5.55k | if (display_name != NULL && |
841 | 5.55k | (up->display_name = strdup(display_name)) == NULL) |
842 | 21 | goto fail; |
843 | 5.52k | if (icon != NULL && (up->icon = strdup(icon)) == NULL) |
844 | 12 | goto fail; |
845 | | |
846 | 5.51k | return (FIDO_OK); |
847 | 75 | fail: |
848 | 75 | free(up->id.ptr); |
849 | 75 | free(up->name); |
850 | 75 | free(up->display_name); |
851 | 75 | free(up->icon); |
852 | | |
853 | 75 | up->id.ptr = NULL; |
854 | 75 | up->id.len = 0; |
855 | 75 | up->name = NULL; |
856 | 75 | up->display_name = NULL; |
857 | 75 | up->icon = NULL; |
858 | | |
859 | 75 | return (FIDO_ERR_INTERNAL); |
860 | 5.52k | } |
861 | | |
862 | | int |
863 | | fido_cred_set_extensions(fido_cred_t *cred, int ext) |
864 | 3.89k | { |
865 | 3.89k | if (ext == 0) |
866 | 160 | cred->ext.mask = 0; |
867 | 3.73k | else { |
868 | 3.73k | if ((ext & FIDO_EXT_CRED_MASK) != ext) |
869 | 2.39k | return (FIDO_ERR_INVALID_ARGUMENT); |
870 | 1.33k | cred->ext.mask |= ext; |
871 | 1.33k | } |
872 | | |
873 | 1.49k | return (FIDO_OK); |
874 | 3.89k | } |
875 | | |
876 | | int |
877 | | fido_cred_set_options(fido_cred_t *cred, bool rk, bool uv) |
878 | 0 | { |
879 | 0 | cred->rk = rk ? FIDO_OPT_TRUE : FIDO_OPT_FALSE; |
880 | 0 | cred->uv = uv ? FIDO_OPT_TRUE : FIDO_OPT_FALSE; |
881 | |
|
882 | 0 | return (FIDO_OK); |
883 | 0 | } |
884 | | |
885 | | int |
886 | | fido_cred_set_rk(fido_cred_t *cred, fido_opt_t rk) |
887 | 1.57k | { |
888 | 1.57k | cred->rk = rk; |
889 | | |
890 | 1.57k | return (FIDO_OK); |
891 | 1.57k | } |
892 | | |
893 | | int |
894 | | fido_cred_set_uv(fido_cred_t *cred, fido_opt_t uv) |
895 | 1.48k | { |
896 | 1.48k | cred->uv = uv; |
897 | | |
898 | 1.48k | return (FIDO_OK); |
899 | 1.48k | } |
900 | | |
901 | | int |
902 | | fido_cred_set_prot(fido_cred_t *cred, int prot) |
903 | 5.47k | { |
904 | 5.47k | if (prot == 0) { |
905 | 2.54k | cred->ext.mask &= ~FIDO_EXT_CRED_PROTECT; |
906 | 2.54k | cred->ext.prot = 0; |
907 | 2.92k | } else { |
908 | 2.92k | if (prot != FIDO_CRED_PROT_UV_OPTIONAL && |
909 | 2.92k | prot != FIDO_CRED_PROT_UV_OPTIONAL_WITH_ID && |
910 | 2.92k | prot != FIDO_CRED_PROT_UV_REQUIRED) |
911 | 49 | return (FIDO_ERR_INVALID_ARGUMENT); |
912 | | |
913 | 2.88k | cred->ext.mask |= FIDO_EXT_CRED_PROTECT; |
914 | 2.88k | cred->ext.prot = prot; |
915 | 2.88k | } |
916 | | |
917 | 5.42k | return (FIDO_OK); |
918 | 5.47k | } |
919 | | |
920 | | int |
921 | | fido_cred_set_pin_minlen(fido_cred_t *cred, size_t len) |
922 | 3.26k | { |
923 | 3.26k | if (len == 0) |
924 | 2.47k | cred->ext.mask &= ~FIDO_EXT_MINPINLEN; |
925 | 785 | else |
926 | 785 | cred->ext.mask |= FIDO_EXT_MINPINLEN; |
927 | | |
928 | 3.26k | cred->ext.minpinlen = len; |
929 | | |
930 | 3.26k | return (FIDO_OK); |
931 | 3.26k | } |
932 | | |
933 | | int |
934 | | fido_cred_set_blob(fido_cred_t *cred, const unsigned char *ptr, size_t len) |
935 | 582 | { |
936 | 582 | if (ptr == NULL || len == 0) |
937 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
938 | 582 | if (fido_blob_set(&cred->blob, ptr, len) < 0) |
939 | 3 | return (FIDO_ERR_INTERNAL); |
940 | | |
941 | 579 | cred->ext.mask |= FIDO_EXT_CRED_BLOB; |
942 | | |
943 | 579 | return (FIDO_OK); |
944 | 582 | } |
945 | | |
946 | | int |
947 | | fido_cred_set_fmt(fido_cred_t *cred, const char *fmt) |
948 | 407 | { |
949 | 407 | free(cred->fmt); |
950 | 407 | cred->fmt = NULL; |
951 | | |
952 | 407 | if (fmt == NULL) |
953 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
954 | | |
955 | 407 | if (strcmp(fmt, "packed") && strcmp(fmt, "fido-u2f") && |
956 | 407 | strcmp(fmt, "none") && strcmp(fmt, "tpm")) |
957 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
958 | | |
959 | 407 | if ((cred->fmt = strdup(fmt)) == NULL) |
960 | 6 | return (FIDO_ERR_INTERNAL); |
961 | | |
962 | 401 | return (FIDO_OK); |
963 | 407 | } |
964 | | |
965 | | int |
966 | | fido_cred_set_type(fido_cred_t *cred, int cose_alg) |
967 | 7.25k | { |
968 | 7.25k | if ((cose_alg != COSE_ES256 && cose_alg != COSE_RS256 && |
969 | 7.25k | cose_alg != COSE_EDDSA) || cred->type != 0) |
970 | 2.32k | return (FIDO_ERR_INVALID_ARGUMENT); |
971 | | |
972 | 4.93k | cred->type = cose_alg; |
973 | | |
974 | 4.93k | return (FIDO_OK); |
975 | 7.25k | } |
976 | | |
977 | | int |
978 | | fido_cred_type(const fido_cred_t *cred) |
979 | 3.80k | { |
980 | 3.80k | return (cred->type); |
981 | 3.80k | } |
982 | | |
983 | | uint8_t |
984 | | fido_cred_flags(const fido_cred_t *cred) |
985 | 2.60k | { |
986 | 2.60k | return (cred->authdata.flags); |
987 | 2.60k | } |
988 | | |
989 | | uint32_t |
990 | | fido_cred_sigcount(const fido_cred_t *cred) |
991 | 2.60k | { |
992 | 2.60k | return (cred->authdata.sigcount); |
993 | 2.60k | } |
994 | | |
995 | | const unsigned char * |
996 | | fido_cred_clientdata_hash_ptr(const fido_cred_t *cred) |
997 | 2.61k | { |
998 | 2.61k | return (cred->cdh.ptr); |
999 | 2.61k | } |
1000 | | |
1001 | | size_t |
1002 | | fido_cred_clientdata_hash_len(const fido_cred_t *cred) |
1003 | 2.61k | { |
1004 | 2.61k | return (cred->cdh.len); |
1005 | 2.61k | } |
1006 | | |
1007 | | const unsigned char * |
1008 | | fido_cred_x5c_ptr(const fido_cred_t *cred) |
1009 | 2.61k | { |
1010 | 2.61k | return (cred->attstmt.x5c.ptr); |
1011 | 2.61k | } |
1012 | | |
1013 | | size_t |
1014 | | fido_cred_x5c_len(const fido_cred_t *cred) |
1015 | 2.61k | { |
1016 | 2.61k | return (cred->attstmt.x5c.len); |
1017 | 2.61k | } |
1018 | | |
1019 | | const unsigned char * |
1020 | | fido_cred_sig_ptr(const fido_cred_t *cred) |
1021 | 2.61k | { |
1022 | 2.61k | return (cred->attstmt.sig.ptr); |
1023 | 2.61k | } |
1024 | | |
1025 | | size_t |
1026 | | fido_cred_sig_len(const fido_cred_t *cred) |
1027 | 2.61k | { |
1028 | 2.61k | return (cred->attstmt.sig.len); |
1029 | 2.61k | } |
1030 | | |
1031 | | const unsigned char * |
1032 | | fido_cred_authdata_ptr(const fido_cred_t *cred) |
1033 | 2.61k | { |
1034 | 2.61k | return (cred->authdata_cbor.ptr); |
1035 | 2.61k | } |
1036 | | |
1037 | | size_t |
1038 | | fido_cred_authdata_len(const fido_cred_t *cred) |
1039 | 2.61k | { |
1040 | 2.61k | return (cred->authdata_cbor.len); |
1041 | 2.61k | } |
1042 | | |
1043 | | const unsigned char * |
1044 | | fido_cred_authdata_raw_ptr(const fido_cred_t *cred) |
1045 | 2.61k | { |
1046 | 2.61k | return (cred->authdata_raw.ptr); |
1047 | 2.61k | } |
1048 | | |
1049 | | size_t |
1050 | | fido_cred_authdata_raw_len(const fido_cred_t *cred) |
1051 | 2.61k | { |
1052 | 2.61k | return (cred->authdata_raw.len); |
1053 | 2.61k | } |
1054 | | |
1055 | | const unsigned char * |
1056 | | fido_cred_attstmt_ptr(const fido_cred_t *cred) |
1057 | 2.61k | { |
1058 | 2.61k | return (cred->attstmt.cbor.ptr); |
1059 | 2.61k | } |
1060 | | |
1061 | | size_t |
1062 | | fido_cred_attstmt_len(const fido_cred_t *cred) |
1063 | 2.61k | { |
1064 | 2.61k | return (cred->attstmt.cbor.len); |
1065 | 2.61k | } |
1066 | | |
1067 | | const unsigned char * |
1068 | | fido_cred_pubkey_ptr(const fido_cred_t *cred) |
1069 | 3.80k | { |
1070 | 3.80k | const void *ptr; |
1071 | | |
1072 | 3.80k | switch (cred->attcred.type) { |
1073 | 784 | case COSE_ES256: |
1074 | 784 | ptr = &cred->attcred.pubkey.es256; |
1075 | 784 | break; |
1076 | 53 | case COSE_RS256: |
1077 | 53 | ptr = &cred->attcred.pubkey.rs256; |
1078 | 53 | break; |
1079 | 104 | case COSE_EDDSA: |
1080 | 104 | ptr = &cred->attcred.pubkey.eddsa; |
1081 | 104 | break; |
1082 | 2.86k | default: |
1083 | 2.86k | ptr = NULL; |
1084 | 2.86k | break; |
1085 | 3.80k | } |
1086 | | |
1087 | 3.80k | return (ptr); |
1088 | 3.80k | } |
1089 | | |
1090 | | size_t |
1091 | | fido_cred_pubkey_len(const fido_cred_t *cred) |
1092 | 3.80k | { |
1093 | 3.80k | size_t len; |
1094 | | |
1095 | 3.80k | switch (cred->attcred.type) { |
1096 | 784 | case COSE_ES256: |
1097 | 784 | len = sizeof(cred->attcred.pubkey.es256); |
1098 | 784 | break; |
1099 | 53 | case COSE_RS256: |
1100 | 53 | len = sizeof(cred->attcred.pubkey.rs256); |
1101 | 53 | break; |
1102 | 104 | case COSE_EDDSA: |
1103 | 104 | len = sizeof(cred->attcred.pubkey.eddsa); |
1104 | 104 | break; |
1105 | 2.86k | default: |
1106 | 2.86k | len = 0; |
1107 | 2.86k | break; |
1108 | 3.80k | } |
1109 | | |
1110 | 3.80k | return (len); |
1111 | 3.80k | } |
1112 | | |
1113 | | const unsigned char * |
1114 | | fido_cred_id_ptr(const fido_cred_t *cred) |
1115 | 6.43k | { |
1116 | 6.43k | return (cred->attcred.id.ptr); |
1117 | 6.43k | } |
1118 | | |
1119 | | size_t |
1120 | | fido_cred_id_len(const fido_cred_t *cred) |
1121 | 6.43k | { |
1122 | 6.43k | return (cred->attcred.id.len); |
1123 | 6.43k | } |
1124 | | |
1125 | | const unsigned char * |
1126 | | fido_cred_aaguid_ptr(const fido_cred_t *cred) |
1127 | 2.60k | { |
1128 | 2.60k | return (cred->attcred.aaguid); |
1129 | 2.60k | } |
1130 | | |
1131 | | size_t |
1132 | | fido_cred_aaguid_len(const fido_cred_t *cred) |
1133 | 2.60k | { |
1134 | 2.60k | return (sizeof(cred->attcred.aaguid)); |
1135 | 2.60k | } |
1136 | | |
1137 | | int |
1138 | | fido_cred_prot(const fido_cred_t *cred) |
1139 | 3.82k | { |
1140 | 3.82k | return (cred->ext.prot); |
1141 | 3.82k | } |
1142 | | |
1143 | | size_t |
1144 | | fido_cred_pin_minlen(const fido_cred_t *cred) |
1145 | 5.22k | { |
1146 | 5.22k | return (cred->ext.minpinlen); |
1147 | 5.22k | } |
1148 | | |
1149 | | const char * |
1150 | | fido_cred_fmt(const fido_cred_t *cred) |
1151 | 2.61k | { |
1152 | 2.61k | return (cred->fmt); |
1153 | 2.61k | } |
1154 | | |
1155 | | const char * |
1156 | | fido_cred_rp_id(const fido_cred_t *cred) |
1157 | 2.61k | { |
1158 | 2.61k | return (cred->rp.id); |
1159 | 2.61k | } |
1160 | | |
1161 | | const char * |
1162 | | fido_cred_rp_name(const fido_cred_t *cred) |
1163 | 2.61k | { |
1164 | 2.61k | return (cred->rp.name); |
1165 | 2.61k | } |
1166 | | |
1167 | | const char * |
1168 | | fido_cred_user_name(const fido_cred_t *cred) |
1169 | 3.80k | { |
1170 | 3.80k | return (cred->user.name); |
1171 | 3.80k | } |
1172 | | |
1173 | | const char * |
1174 | | fido_cred_display_name(const fido_cred_t *cred) |
1175 | 3.80k | { |
1176 | 3.80k | return (cred->user.display_name); |
1177 | 3.80k | } |
1178 | | |
1179 | | const unsigned char * |
1180 | | fido_cred_user_id_ptr(const fido_cred_t *cred) |
1181 | 3.80k | { |
1182 | 3.80k | return (cred->user.id.ptr); |
1183 | 3.80k | } |
1184 | | |
1185 | | size_t |
1186 | | fido_cred_user_id_len(const fido_cred_t *cred) |
1187 | 3.80k | { |
1188 | 3.80k | return (cred->user.id.len); |
1189 | 3.80k | } |
1190 | | |
1191 | | const unsigned char * |
1192 | | fido_cred_largeblob_key_ptr(const fido_cred_t *cred) |
1193 | 2.60k | { |
1194 | 2.60k | return (cred->largeblob_key.ptr); |
1195 | 2.60k | } |
1196 | | |
1197 | | size_t |
1198 | | fido_cred_largeblob_key_len(const fido_cred_t *cred) |
1199 | 2.60k | { |
1200 | 2.60k | return (cred->largeblob_key.len); |
1201 | 2.60k | } |