Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Copyright (c) 2018-2022 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 | 649 | #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 | 763 | { |
20 | 763 | fido_cred_t *cred = arg; |
21 | | |
22 | 763 | if (cbor_isa_uint(key) == false || |
23 | 763 | cbor_int_get_width(key) != CBOR_INT_8) { |
24 | 11 | fido_log_debug("%s: cbor type", __func__); |
25 | 11 | return (0); /* ignore */ |
26 | 11 | } |
27 | | |
28 | 752 | switch (cbor_get_uint8(key)) { |
29 | 274 | case 1: /* fmt */ |
30 | 274 | return (cbor_decode_fmt(val, &cred->fmt)); |
31 | 265 | case 2: /* authdata */ |
32 | 265 | 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 | 264 | return (cbor_decode_cred_authdata(val, cred->type, |
37 | 264 | &cred->authdata_cbor, &cred->authdata, &cred->attcred, |
38 | 264 | &cred->authdata_ext)); |
39 | 204 | case 3: /* attestation statement */ |
40 | 204 | 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 | 8 | default: /* ignore */ |
44 | 8 | fido_log_debug("%s: cbor type", __func__); |
45 | 8 | return (0); |
46 | 752 | } |
47 | 752 | } |
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 | 697 | { |
53 | 697 | fido_blob_t f; |
54 | 697 | fido_blob_t *ecdh = NULL; |
55 | 697 | fido_opt_t uv = cred->uv; |
56 | 697 | es256_pk_t *pk = NULL; |
57 | 697 | cbor_item_t *argv[9]; |
58 | 697 | const uint8_t cmd = CTAP_CBOR_MAKECRED; |
59 | 697 | int r; |
60 | | |
61 | 697 | memset(&f, 0, sizeof(f)); |
62 | 697 | memset(argv, 0, sizeof(argv)); |
63 | | |
64 | 697 | if (cred->cdh.ptr == NULL || cred->type == 0) { |
65 | 1 | fido_log_debug("%s: cdh=%p, type=%d", __func__, |
66 | 1 | (void *)cred->cdh.ptr, cred->type); |
67 | 1 | r = FIDO_ERR_INVALID_ARGUMENT; |
68 | 1 | goto fail; |
69 | 1 | } |
70 | | |
71 | 696 | if ((argv[0] = fido_blob_encode(&cred->cdh)) == NULL || |
72 | 696 | (argv[1] = cbor_encode_rp_entity(&cred->rp)) == NULL || |
73 | 696 | (argv[2] = cbor_encode_user_entity(&cred->user)) == NULL || |
74 | 696 | (argv[3] = cbor_encode_pubkey_param(cred->type)) == NULL) { |
75 | 24 | fido_log_debug("%s: cbor encode", __func__); |
76 | 24 | r = FIDO_ERR_INTERNAL; |
77 | 24 | goto fail; |
78 | 24 | } |
79 | | |
80 | | /* excluded credentials */ |
81 | 672 | if (cred->excl.len) |
82 | 450 | if ((argv[4] = cbor_encode_pubkey_list(&cred->excl)) == NULL) { |
83 | 22 | fido_log_debug("%s: cbor_encode_pubkey_list", __func__); |
84 | 22 | r = FIDO_ERR_INTERNAL; |
85 | 22 | goto fail; |
86 | 22 | } |
87 | | |
88 | | /* extensions */ |
89 | 650 | if (cred->ext.mask) |
90 | 541 | if ((argv[5] = cbor_encode_cred_ext(&cred->ext, |
91 | 541 | &cred->blob)) == NULL) { |
92 | 9 | fido_log_debug("%s: cbor_encode_cred_ext", __func__); |
93 | 9 | r = FIDO_ERR_INTERNAL; |
94 | 9 | goto fail; |
95 | 9 | } |
96 | | |
97 | | /* user verification */ |
98 | 641 | if (pin != NULL || (uv == FIDO_OPT_TRUE && |
99 | 431 | fido_dev_supports_permissions(dev))) { |
100 | 431 | if ((r = fido_do_ecdh(dev, &pk, &ecdh, ms)) != FIDO_OK) { |
101 | 145 | fido_log_debug("%s: fido_do_ecdh", __func__); |
102 | 145 | goto fail; |
103 | 145 | } |
104 | 286 | if ((r = cbor_add_uv_params(dev, cmd, &cred->cdh, pk, ecdh, |
105 | 286 | pin, cred->rp.id, &argv[7], &argv[8], ms)) != FIDO_OK) { |
106 | 101 | fido_log_debug("%s: cbor_add_uv_params", __func__); |
107 | 101 | goto fail; |
108 | 101 | } |
109 | 185 | uv = FIDO_OPT_OMIT; |
110 | 185 | } |
111 | | |
112 | | /* options */ |
113 | 395 | if (cred->rk != FIDO_OPT_OMIT || uv != FIDO_OPT_OMIT) |
114 | 205 | 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 | 392 | if (cbor_build_frame(cmd, argv, nitems(argv), &f) < 0 || |
122 | 392 | fido_tx(dev, CTAP_CMD_CBOR, f.ptr, f.len, ms) < 0) { |
123 | 67 | fido_log_debug("%s: fido_tx", __func__); |
124 | 67 | r = FIDO_ERR_TX; |
125 | 67 | goto fail; |
126 | 67 | } |
127 | | |
128 | 325 | r = FIDO_OK; |
129 | 697 | fail: |
130 | 697 | es256_pk_free(&pk); |
131 | 697 | fido_blob_free(&ecdh); |
132 | 697 | cbor_vector_free(argv, nitems(argv)); |
133 | 697 | free(f.ptr); |
134 | | |
135 | 697 | return (r); |
136 | 325 | } |
137 | | |
138 | | static int |
139 | | fido_dev_make_cred_rx(fido_dev_t *dev, fido_cred_t *cred, int *ms) |
140 | 325 | { |
141 | 325 | unsigned char *reply; |
142 | 325 | int reply_len; |
143 | 325 | int r; |
144 | | |
145 | 325 | fido_cred_reset_rx(cred); |
146 | | |
147 | 325 | if ((reply = malloc(FIDO_MAXMSG_CRED)) == NULL) { |
148 | 1 | r = FIDO_ERR_INTERNAL; |
149 | 1 | goto fail; |
150 | 1 | } |
151 | | |
152 | 324 | if ((reply_len = fido_rx(dev, CTAP_CMD_CBOR, reply, FIDO_MAXMSG_CRED, |
153 | 324 | ms)) < 0) { |
154 | 27 | fido_log_debug("%s: fido_rx", __func__); |
155 | 27 | r = FIDO_ERR_RX; |
156 | 27 | goto fail; |
157 | 27 | } |
158 | | |
159 | 297 | if ((r = cbor_parse_reply(reply, (size_t)reply_len, cred, |
160 | 297 | parse_makecred_reply)) != FIDO_OK) { |
161 | 113 | fido_log_debug("%s: parse_makecred_reply", __func__); |
162 | 113 | goto fail; |
163 | 113 | } |
164 | | |
165 | 184 | if (cred->fmt == NULL || fido_blob_is_empty(&cred->authdata_cbor) || |
166 | 184 | fido_blob_is_empty(&cred->attcred.id)) { |
167 | 5 | r = FIDO_ERR_INVALID_CBOR; |
168 | 5 | goto fail; |
169 | 5 | } |
170 | | |
171 | 179 | r = FIDO_OK; |
172 | 325 | fail: |
173 | 325 | free(reply); |
174 | | |
175 | 325 | if (r != FIDO_OK) |
176 | 146 | fido_cred_reset_rx(cred); |
177 | | |
178 | 325 | return (r); |
179 | 179 | } |
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 | 697 | { |
185 | 697 | int r; |
186 | | |
187 | 697 | if ((r = fido_dev_make_cred_tx(dev, cred, pin, ms)) != FIDO_OK || |
188 | 697 | (r = fido_dev_make_cred_rx(dev, cred, ms)) != FIDO_OK) |
189 | 518 | return (r); |
190 | | |
191 | 179 | return (FIDO_OK); |
192 | 697 | } |
193 | | |
194 | | int |
195 | | fido_dev_make_cred(fido_dev_t *dev, fido_cred_t *cred, const char *pin) |
196 | 1.57k | { |
197 | 1.57k | 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 | 1.57k | if (fido_dev_is_fido2(dev) == false) { |
204 | 875 | if (pin != NULL || cred->rk == FIDO_OPT_TRUE || |
205 | 875 | cred->ext.mask != 0) |
206 | 446 | return (FIDO_ERR_UNSUPPORTED_OPTION); |
207 | 429 | return (u2f_register(dev, cred, &ms)); |
208 | 875 | } |
209 | | |
210 | 697 | return (fido_dev_make_cred_wait(dev, cred, pin, &ms)); |
211 | 1.57k | } |
212 | | |
213 | | static int |
214 | | check_extensions(const fido_cred_ext_t *authdata_ext, |
215 | | const fido_cred_ext_t *ext) |
216 | 167 | { |
217 | 167 | fido_cred_ext_t tmp; |
218 | | |
219 | | /* XXX: largeBlobKey is not part of the extensions map */ |
220 | 167 | memcpy(&tmp, ext, sizeof(tmp)); |
221 | 167 | tmp.mask &= ~FIDO_EXT_LARGEBLOB_KEY; |
222 | | |
223 | 167 | return (timingsafe_bcmp(authdata_ext, &tmp, sizeof(*authdata_ext))); |
224 | 167 | } |
225 | | |
226 | | int |
227 | | fido_check_rp_id(const char *id, const unsigned char *obtained_hash) |
228 | 561 | { |
229 | 561 | unsigned char expected_hash[SHA256_DIGEST_LENGTH]; |
230 | | |
231 | 561 | explicit_bzero(expected_hash, sizeof(expected_hash)); |
232 | | |
233 | 561 | if (SHA256((const unsigned char *)id, strlen(id), |
234 | 561 | expected_hash) != expected_hash) { |
235 | 6 | fido_log_debug("%s: sha256", __func__); |
236 | 6 | return (-1); |
237 | 6 | } |
238 | | |
239 | 555 | return (timingsafe_bcmp(expected_hash, obtained_hash, |
240 | 555 | SHA256_DIGEST_LENGTH)); |
241 | 561 | } |
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 | 47 | { |
248 | 47 | const uint8_t zero = 0; |
249 | 47 | const uint8_t four = 4; /* uncompressed point */ |
250 | 47 | const EVP_MD *md = NULL; |
251 | 47 | EVP_MD_CTX *ctx = NULL; |
252 | 47 | int ok = -1; |
253 | | |
254 | 47 | if (dgst->len < SHA256_DIGEST_LENGTH || |
255 | 47 | (md = EVP_sha256()) == NULL || |
256 | 47 | (ctx = EVP_MD_CTX_new()) == NULL || |
257 | 47 | EVP_DigestInit_ex(ctx, md, NULL) != 1 || |
258 | 47 | EVP_DigestUpdate(ctx, &zero, sizeof(zero)) != 1 || |
259 | 47 | EVP_DigestUpdate(ctx, rp_id, rp_id_len) != 1 || |
260 | 47 | EVP_DigestUpdate(ctx, clientdata->ptr, clientdata->len) != 1 || |
261 | 47 | EVP_DigestUpdate(ctx, id->ptr, id->len) != 1 || |
262 | 47 | EVP_DigestUpdate(ctx, &four, sizeof(four)) != 1 || |
263 | 47 | EVP_DigestUpdate(ctx, pk->x, sizeof(pk->x)) != 1 || |
264 | 47 | EVP_DigestUpdate(ctx, pk->y, sizeof(pk->y)) != 1 || |
265 | 47 | EVP_DigestFinal_ex(ctx, dgst->ptr, NULL) != 1) { |
266 | 12 | fido_log_debug("%s: sha256", __func__); |
267 | 12 | goto fail; |
268 | 12 | } |
269 | 35 | dgst->len = SHA256_DIGEST_LENGTH; |
270 | | |
271 | 35 | ok = 0; |
272 | 47 | fail: |
273 | 47 | EVP_MD_CTX_free(ctx); |
274 | | |
275 | 47 | return (ok); |
276 | 35 | } |
277 | | |
278 | | static int |
279 | | verify_attstmt(const fido_blob_t *dgst, const fido_attstmt_t *attstmt) |
280 | 56 | { |
281 | 56 | BIO *rawcert = NULL; |
282 | 56 | X509 *cert = NULL; |
283 | 56 | EVP_PKEY *pkey = NULL; |
284 | 56 | int ok = -1; |
285 | | |
286 | | /* openssl needs ints */ |
287 | 56 | if (attstmt->x5c.len > INT_MAX) { |
288 | 0 | fido_log_debug("%s: x5c.len=%zu", __func__, attstmt->x5c.len); |
289 | 0 | return (-1); |
290 | 0 | } |
291 | | |
292 | | /* fetch key from x509 */ |
293 | 56 | if ((rawcert = BIO_new_mem_buf(attstmt->x5c.ptr, |
294 | 56 | (int)attstmt->x5c.len)) == NULL || |
295 | 56 | (cert = d2i_X509_bio(rawcert, NULL)) == NULL || |
296 | 56 | (pkey = X509_get_pubkey(cert)) == NULL) { |
297 | 6 | fido_log_debug("%s: x509 key", __func__); |
298 | 6 | goto fail; |
299 | 6 | } |
300 | | |
301 | 50 | switch (attstmt->alg) { |
302 | 5 | case COSE_UNSPEC: |
303 | 32 | case COSE_ES256: |
304 | 32 | ok = es256_verify_sig(dgst, pkey, &attstmt->sig); |
305 | 32 | break; |
306 | 4 | case COSE_ES384: |
307 | 4 | ok = es384_verify_sig(dgst, pkey, &attstmt->sig); |
308 | 4 | break; |
309 | 1 | case COSE_RS256: |
310 | 1 | ok = rs256_verify_sig(dgst, pkey, &attstmt->sig); |
311 | 1 | break; |
312 | 12 | case COSE_RS1: |
313 | 12 | ok = rs1_verify_sig(dgst, pkey, &attstmt->sig); |
314 | 12 | break; |
315 | 1 | case COSE_EDDSA: |
316 | 1 | ok = eddsa_verify_sig(dgst, pkey, &attstmt->sig); |
317 | 1 | break; |
318 | 0 | default: |
319 | 0 | fido_log_debug("%s: unknown alg %d", __func__, attstmt->alg); |
320 | 0 | break; |
321 | 50 | } |
322 | | |
323 | 56 | fail: |
324 | 56 | BIO_free(rawcert); |
325 | 56 | X509_free(cert); |
326 | 56 | EVP_PKEY_free(pkey); |
327 | | |
328 | 56 | return (ok); |
329 | 50 | } |
330 | | |
331 | | int |
332 | | fido_cred_verify(const fido_cred_t *cred) |
333 | 1.82k | { |
334 | 1.82k | unsigned char buf[1024]; /* XXX */ |
335 | 1.82k | fido_blob_t dgst; |
336 | 1.82k | int cose_alg; |
337 | 1.82k | int r; |
338 | | |
339 | 1.82k | dgst.ptr = buf; |
340 | 1.82k | dgst.len = sizeof(buf); |
341 | | |
342 | | /* do we have everything we need? */ |
343 | 1.82k | if (cred->cdh.ptr == NULL || cred->authdata_cbor.ptr == NULL || |
344 | 1.82k | cred->attstmt.x5c.ptr == NULL || cred->attstmt.sig.ptr == NULL || |
345 | 1.82k | cred->fmt == NULL || cred->attcred.id.ptr == NULL || |
346 | 1.82k | cred->rp.id == NULL) { |
347 | 1.70k | fido_log_debug("%s: cdh=%p, authdata=%p, x5c=%p, sig=%p, " |
348 | 1.70k | "fmt=%p id=%p, rp.id=%s", __func__, (void *)cred->cdh.ptr, |
349 | 1.70k | (void *)cred->authdata_cbor.ptr, |
350 | 1.70k | (void *)cred->attstmt.x5c.ptr, |
351 | 1.70k | (void *)cred->attstmt.sig.ptr, (void *)cred->fmt, |
352 | 1.70k | (void *)cred->attcred.id.ptr, cred->rp.id); |
353 | 1.70k | r = FIDO_ERR_INVALID_ARGUMENT; |
354 | 1.70k | goto out; |
355 | 1.70k | } |
356 | | |
357 | 126 | if (fido_check_rp_id(cred->rp.id, cred->authdata.rp_id_hash) != 0) { |
358 | 29 | fido_log_debug("%s: fido_check_rp_id", __func__); |
359 | 29 | r = FIDO_ERR_INVALID_PARAM; |
360 | 29 | goto out; |
361 | 29 | } |
362 | | |
363 | 97 | if (fido_check_flags(cred->authdata.flags, FIDO_OPT_TRUE, |
364 | 97 | cred->uv) < 0) { |
365 | 1 | fido_log_debug("%s: fido_check_flags", __func__); |
366 | 1 | r = FIDO_ERR_INVALID_PARAM; |
367 | 1 | goto out; |
368 | 1 | } |
369 | | |
370 | 96 | if (check_extensions(&cred->authdata_ext, &cred->ext) != 0) { |
371 | 3 | fido_log_debug("%s: check_extensions", __func__); |
372 | 3 | r = FIDO_ERR_INVALID_PARAM; |
373 | 3 | goto out; |
374 | 3 | } |
375 | | |
376 | 93 | if ((cose_alg = cred->attstmt.alg) == COSE_UNSPEC) |
377 | 7 | cose_alg = COSE_ES256; /* backwards compat */ |
378 | | |
379 | 93 | if (!strcmp(cred->fmt, "packed")) { |
380 | 19 | if (fido_get_signed_hash(cose_alg, &dgst, &cred->cdh, |
381 | 19 | &cred->authdata_cbor) < 0) { |
382 | 7 | fido_log_debug("%s: fido_get_signed_hash", __func__); |
383 | 7 | r = FIDO_ERR_INTERNAL; |
384 | 7 | goto out; |
385 | 7 | } |
386 | 74 | } else if (!strcmp(cred->fmt, "fido-u2f")) { |
387 | 43 | if (get_signed_hash_u2f(&dgst, cred->authdata.rp_id_hash, |
388 | 43 | sizeof(cred->authdata.rp_id_hash), &cred->cdh, |
389 | 43 | &cred->attcred.id, &cred->attcred.pubkey.es256) < 0) { |
390 | 11 | fido_log_debug("%s: get_signed_hash_u2f", __func__); |
391 | 11 | r = FIDO_ERR_INTERNAL; |
392 | 11 | goto out; |
393 | 11 | } |
394 | 43 | } else if (!strcmp(cred->fmt, "tpm")) { |
395 | 31 | if (fido_get_signed_hash_tpm(&dgst, &cred->cdh, |
396 | 31 | &cred->authdata_raw, &cred->attstmt, &cred->attcred) < 0) { |
397 | 19 | fido_log_debug("%s: fido_get_signed_hash_tpm", __func__); |
398 | 19 | r = FIDO_ERR_INTERNAL; |
399 | 19 | goto out; |
400 | 19 | } |
401 | 31 | } else { |
402 | 0 | fido_log_debug("%s: unknown fmt %s", __func__, cred->fmt); |
403 | 0 | r = FIDO_ERR_INVALID_ARGUMENT; |
404 | 0 | goto out; |
405 | 0 | } |
406 | | |
407 | 56 | if (verify_attstmt(&dgst, &cred->attstmt) < 0) { |
408 | 53 | fido_log_debug("%s: verify_attstmt", __func__); |
409 | 53 | r = FIDO_ERR_INVALID_SIG; |
410 | 53 | goto out; |
411 | 53 | } |
412 | | |
413 | 3 | r = FIDO_OK; |
414 | 1.82k | out: |
415 | 1.82k | explicit_bzero(buf, sizeof(buf)); |
416 | | |
417 | 1.82k | return (r); |
418 | 3 | } |
419 | | |
420 | | int |
421 | | fido_cred_verify_self(const fido_cred_t *cred) |
422 | 1.82k | { |
423 | 1.82k | unsigned char buf[1024]; /* XXX */ |
424 | 1.82k | fido_blob_t dgst; |
425 | 1.82k | int ok = -1; |
426 | 1.82k | int r; |
427 | | |
428 | 1.82k | dgst.ptr = buf; |
429 | 1.82k | dgst.len = sizeof(buf); |
430 | | |
431 | | /* do we have everything we need? */ |
432 | 1.82k | if (cred->cdh.ptr == NULL || cred->authdata_cbor.ptr == NULL || |
433 | 1.82k | cred->attstmt.x5c.ptr != NULL || cred->attstmt.sig.ptr == NULL || |
434 | 1.82k | cred->fmt == NULL || cred->attcred.id.ptr == NULL || |
435 | 1.82k | cred->rp.id == NULL) { |
436 | 1.74k | fido_log_debug("%s: cdh=%p, authdata=%p, x5c=%p, sig=%p, " |
437 | 1.74k | "fmt=%p id=%p, rp.id=%s", __func__, (void *)cred->cdh.ptr, |
438 | 1.74k | (void *)cred->authdata_cbor.ptr, |
439 | 1.74k | (void *)cred->attstmt.x5c.ptr, |
440 | 1.74k | (void *)cred->attstmt.sig.ptr, (void *)cred->fmt, |
441 | 1.74k | (void *)cred->attcred.id.ptr, cred->rp.id); |
442 | 1.74k | r = FIDO_ERR_INVALID_ARGUMENT; |
443 | 1.74k | goto out; |
444 | 1.74k | } |
445 | | |
446 | 87 | if (fido_check_rp_id(cred->rp.id, cred->authdata.rp_id_hash) != 0) { |
447 | 14 | fido_log_debug("%s: fido_check_rp_id", __func__); |
448 | 14 | r = FIDO_ERR_INVALID_PARAM; |
449 | 14 | goto out; |
450 | 14 | } |
451 | | |
452 | 73 | if (fido_check_flags(cred->authdata.flags, FIDO_OPT_TRUE, |
453 | 73 | cred->uv) < 0) { |
454 | 2 | fido_log_debug("%s: fido_check_flags", __func__); |
455 | 2 | r = FIDO_ERR_INVALID_PARAM; |
456 | 2 | goto out; |
457 | 2 | } |
458 | | |
459 | 71 | if (check_extensions(&cred->authdata_ext, &cred->ext) != 0) { |
460 | 2 | fido_log_debug("%s: check_extensions", __func__); |
461 | 2 | r = FIDO_ERR_INVALID_PARAM; |
462 | 2 | goto out; |
463 | 2 | } |
464 | | |
465 | 69 | if (!strcmp(cred->fmt, "packed")) { |
466 | 64 | if (fido_get_signed_hash(cred->attcred.type, &dgst, &cred->cdh, |
467 | 64 | &cred->authdata_cbor) < 0) { |
468 | 7 | fido_log_debug("%s: fido_get_signed_hash", __func__); |
469 | 7 | r = FIDO_ERR_INTERNAL; |
470 | 7 | goto out; |
471 | 7 | } |
472 | 64 | } else if (!strcmp(cred->fmt, "fido-u2f")) { |
473 | 4 | if (get_signed_hash_u2f(&dgst, cred->authdata.rp_id_hash, |
474 | 4 | sizeof(cred->authdata.rp_id_hash), &cred->cdh, |
475 | 4 | &cred->attcred.id, &cred->attcred.pubkey.es256) < 0) { |
476 | 1 | fido_log_debug("%s: get_signed_hash_u2f", __func__); |
477 | 1 | r = FIDO_ERR_INTERNAL; |
478 | 1 | goto out; |
479 | 1 | } |
480 | 4 | } else { |
481 | 1 | fido_log_debug("%s: unknown fmt %s", __func__, cred->fmt); |
482 | 1 | r = FIDO_ERR_INVALID_ARGUMENT; |
483 | 1 | goto out; |
484 | 1 | } |
485 | | |
486 | 60 | switch (cred->attcred.type) { |
487 | 4 | case COSE_ES256: |
488 | 4 | ok = es256_pk_verify_sig(&dgst, &cred->attcred.pubkey.es256, |
489 | 4 | &cred->attstmt.sig); |
490 | 4 | break; |
491 | 0 | case COSE_ES384: |
492 | 0 | ok = es384_pk_verify_sig(&dgst, &cred->attcred.pubkey.es384, |
493 | 0 | &cred->attstmt.sig); |
494 | 0 | break; |
495 | 30 | case COSE_RS256: |
496 | 30 | ok = rs256_pk_verify_sig(&dgst, &cred->attcred.pubkey.rs256, |
497 | 30 | &cred->attstmt.sig); |
498 | 30 | break; |
499 | 26 | case COSE_EDDSA: |
500 | 26 | ok = eddsa_pk_verify_sig(&dgst, &cred->attcred.pubkey.eddsa, |
501 | 26 | &cred->attstmt.sig); |
502 | 26 | break; |
503 | 0 | default: |
504 | 0 | fido_log_debug("%s: unsupported cose_alg %d", __func__, |
505 | 0 | cred->attcred.type); |
506 | 0 | r = FIDO_ERR_UNSUPPORTED_OPTION; |
507 | 0 | goto out; |
508 | 60 | } |
509 | | |
510 | 60 | if (ok < 0) |
511 | 60 | r = FIDO_ERR_INVALID_SIG; |
512 | 0 | else |
513 | 0 | r = FIDO_OK; |
514 | | |
515 | 1.82k | out: |
516 | 1.82k | explicit_bzero(buf, sizeof(buf)); |
517 | | |
518 | 1.82k | return (r); |
519 | 60 | } |
520 | | |
521 | | fido_cred_t * |
522 | | fido_cred_new(void) |
523 | 6.29k | { |
524 | 6.29k | return (calloc(1, sizeof(fido_cred_t))); |
525 | 6.29k | } |
526 | | |
527 | | static void |
528 | | fido_cred_clean_authdata(fido_cred_t *cred) |
529 | 20.7k | { |
530 | 20.7k | fido_blob_reset(&cred->authdata_cbor); |
531 | 20.7k | fido_blob_reset(&cred->authdata_raw); |
532 | 20.7k | fido_blob_reset(&cred->attcred.id); |
533 | | |
534 | 20.7k | memset(&cred->authdata_ext, 0, sizeof(cred->authdata_ext)); |
535 | 20.7k | memset(&cred->authdata, 0, sizeof(cred->authdata)); |
536 | 20.7k | memset(&cred->attcred, 0, sizeof(cred->attcred)); |
537 | 20.7k | } |
538 | | |
539 | | static void |
540 | | fido_cred_clean_attstmt(fido_attstmt_t *attstmt) |
541 | 14.2k | { |
542 | 14.2k | fido_blob_reset(&attstmt->certinfo); |
543 | 14.2k | fido_blob_reset(&attstmt->pubarea); |
544 | 14.2k | fido_blob_reset(&attstmt->cbor); |
545 | 14.2k | fido_blob_reset(&attstmt->x5c); |
546 | 14.2k | fido_blob_reset(&attstmt->sig); |
547 | | |
548 | 14.2k | memset(attstmt, 0, sizeof(*attstmt)); |
549 | 14.2k | } |
550 | | |
551 | | void |
552 | | fido_cred_reset_tx(fido_cred_t *cred) |
553 | 6.84k | { |
554 | 6.84k | fido_blob_reset(&cred->cd); |
555 | 6.84k | fido_blob_reset(&cred->cdh); |
556 | 6.84k | fido_blob_reset(&cred->user.id); |
557 | 6.84k | fido_blob_reset(&cred->blob); |
558 | | |
559 | 6.84k | free(cred->rp.id); |
560 | 6.84k | free(cred->rp.name); |
561 | 6.84k | free(cred->user.icon); |
562 | 6.84k | free(cred->user.name); |
563 | 6.84k | free(cred->user.display_name); |
564 | 6.84k | fido_free_blob_array(&cred->excl); |
565 | | |
566 | 6.84k | memset(&cred->rp, 0, sizeof(cred->rp)); |
567 | 6.84k | memset(&cred->user, 0, sizeof(cred->user)); |
568 | 6.84k | memset(&cred->excl, 0, sizeof(cred->excl)); |
569 | 6.84k | memset(&cred->ext, 0, sizeof(cred->ext)); |
570 | | |
571 | 6.84k | cred->type = 0; |
572 | 6.84k | cred->rk = FIDO_OPT_OMIT; |
573 | 6.84k | cred->uv = FIDO_OPT_OMIT; |
574 | 6.84k | } |
575 | | |
576 | | void |
577 | | fido_cred_reset_rx(fido_cred_t *cred) |
578 | 7.31k | { |
579 | 7.31k | free(cred->fmt); |
580 | 7.31k | cred->fmt = NULL; |
581 | 7.31k | fido_cred_clean_authdata(cred); |
582 | 7.31k | fido_cred_clean_attstmt(&cred->attstmt); |
583 | 7.31k | fido_blob_reset(&cred->largeblob_key); |
584 | 7.31k | } |
585 | | |
586 | | void |
587 | | fido_cred_free(fido_cred_t **cred_p) |
588 | 6.26k | { |
589 | 6.26k | fido_cred_t *cred; |
590 | | |
591 | 6.26k | if (cred_p == NULL || (cred = *cred_p) == NULL) |
592 | 3 | return; |
593 | 6.26k | fido_cred_reset_tx(cred); |
594 | 6.26k | fido_cred_reset_rx(cred); |
595 | 6.26k | free(cred); |
596 | 6.26k | *cred_p = NULL; |
597 | 6.26k | } |
598 | | |
599 | | int |
600 | | fido_cred_set_authdata(fido_cred_t *cred, const unsigned char *ptr, size_t len) |
601 | 3.72k | { |
602 | 3.72k | cbor_item_t *item = NULL; |
603 | 3.72k | struct cbor_load_result cbor; |
604 | 3.72k | int r = FIDO_ERR_INVALID_ARGUMENT; |
605 | | |
606 | 3.72k | fido_cred_clean_authdata(cred); |
607 | | |
608 | 3.72k | if (ptr == NULL || len == 0) |
609 | 3.19k | goto fail; |
610 | | |
611 | 526 | if ((item = cbor_load(ptr, len, &cbor)) == NULL) { |
612 | 4 | fido_log_debug("%s: cbor_load", __func__); |
613 | 4 | goto fail; |
614 | 4 | } |
615 | | |
616 | 522 | if (fido_blob_decode(item, &cred->authdata_raw) < 0) { |
617 | 5 | fido_log_debug("%s: fido_blob_decode", __func__); |
618 | 5 | goto fail; |
619 | 5 | } |
620 | | |
621 | 517 | if (cbor_decode_cred_authdata(item, cred->type, &cred->authdata_cbor, |
622 | 517 | &cred->authdata, &cred->attcred, &cred->authdata_ext) < 0) { |
623 | 40 | fido_log_debug("%s: cbor_decode_cred_authdata", __func__); |
624 | 40 | goto fail; |
625 | 40 | } |
626 | | |
627 | 477 | r = FIDO_OK; |
628 | 3.72k | fail: |
629 | 3.72k | if (item != NULL) |
630 | 522 | cbor_decref(&item); |
631 | | |
632 | 3.72k | if (r != FIDO_OK) |
633 | 3.24k | fido_cred_clean_authdata(cred); |
634 | | |
635 | 3.72k | return (r); |
636 | 477 | } |
637 | | |
638 | | int |
639 | | fido_cred_set_authdata_raw(fido_cred_t *cred, const unsigned char *ptr, |
640 | | size_t len) |
641 | 3.23k | { |
642 | 3.23k | cbor_item_t *item = NULL; |
643 | 3.23k | int r = FIDO_ERR_INVALID_ARGUMENT; |
644 | | |
645 | 3.23k | fido_cred_clean_authdata(cred); |
646 | | |
647 | 3.23k | if (ptr == NULL || len == 0) |
648 | 3.19k | goto fail; |
649 | | |
650 | 45 | if (fido_blob_set(&cred->authdata_raw, ptr, len) < 0) { |
651 | 1 | fido_log_debug("%s: fido_blob_set", __func__); |
652 | 1 | r = FIDO_ERR_INTERNAL; |
653 | 1 | goto fail; |
654 | 1 | } |
655 | | |
656 | 44 | if ((item = cbor_build_bytestring(ptr, len)) == NULL) { |
657 | 3 | fido_log_debug("%s: cbor_build_bytestring", __func__); |
658 | 3 | r = FIDO_ERR_INTERNAL; |
659 | 3 | goto fail; |
660 | 3 | } |
661 | | |
662 | 41 | if (cbor_decode_cred_authdata(item, cred->type, &cred->authdata_cbor, |
663 | 41 | &cred->authdata, &cred->attcred, &cred->authdata_ext) < 0) { |
664 | 5 | fido_log_debug("%s: cbor_decode_cred_authdata", __func__); |
665 | 5 | goto fail; |
666 | 5 | } |
667 | | |
668 | 36 | r = FIDO_OK; |
669 | 3.23k | fail: |
670 | 3.23k | if (item != NULL) |
671 | 41 | cbor_decref(&item); |
672 | | |
673 | 3.23k | if (r != FIDO_OK) |
674 | 3.20k | fido_cred_clean_authdata(cred); |
675 | | |
676 | 3.23k | return (r); |
677 | 36 | } |
678 | | |
679 | | int |
680 | | fido_cred_set_id(fido_cred_t *cred, const unsigned char *ptr, size_t len) |
681 | 2.59k | { |
682 | 2.59k | if (fido_blob_set(&cred->attcred.id, ptr, len) < 0) |
683 | 25 | return (FIDO_ERR_INVALID_ARGUMENT); |
684 | | |
685 | 2.57k | return (FIDO_OK); |
686 | 2.59k | } |
687 | | |
688 | | int |
689 | | fido_cred_set_x509(fido_cred_t *cred, const unsigned char *ptr, size_t len) |
690 | 5.06k | { |
691 | 5.06k | if (fido_blob_set(&cred->attstmt.x5c, ptr, len) < 0) |
692 | 4.91k | return (FIDO_ERR_INVALID_ARGUMENT); |
693 | | |
694 | 149 | return (FIDO_OK); |
695 | 5.06k | } |
696 | | |
697 | | int |
698 | | fido_cred_set_sig(fido_cred_t *cred, const unsigned char *ptr, size_t len) |
699 | 5.06k | { |
700 | 5.06k | if (fido_blob_set(&cred->attstmt.sig, ptr, len) < 0) |
701 | 4.82k | return (FIDO_ERR_INVALID_ARGUMENT); |
702 | | |
703 | 243 | return (FIDO_OK); |
704 | 5.06k | } |
705 | | |
706 | | int |
707 | | fido_cred_set_attstmt(fido_cred_t *cred, const unsigned char *ptr, size_t len) |
708 | 3.71k | { |
709 | 3.71k | cbor_item_t *item = NULL; |
710 | 3.71k | struct cbor_load_result cbor; |
711 | 3.71k | int r = FIDO_ERR_INVALID_ARGUMENT; |
712 | | |
713 | 3.71k | fido_cred_clean_attstmt(&cred->attstmt); |
714 | | |
715 | 3.71k | if (ptr == NULL || len == 0) |
716 | 3.21k | goto fail; |
717 | | |
718 | 504 | if ((item = cbor_load(ptr, len, &cbor)) == NULL) { |
719 | 7 | fido_log_debug("%s: cbor_load", __func__); |
720 | 7 | goto fail; |
721 | 7 | } |
722 | | |
723 | 497 | if (cbor_decode_attstmt(item, &cred->attstmt) < 0) { |
724 | 23 | fido_log_debug("%s: cbor_decode_attstmt", __func__); |
725 | 23 | goto fail; |
726 | 23 | } |
727 | | |
728 | 474 | r = FIDO_OK; |
729 | 3.71k | fail: |
730 | 3.71k | if (item != NULL) |
731 | 497 | cbor_decref(&item); |
732 | | |
733 | 3.71k | if (r != FIDO_OK) |
734 | 3.24k | fido_cred_clean_attstmt(&cred->attstmt); |
735 | | |
736 | 3.71k | return (r); |
737 | 474 | } |
738 | | |
739 | | int |
740 | | fido_cred_exclude(fido_cred_t *cred, const unsigned char *id_ptr, size_t id_len) |
741 | 53.8k | { |
742 | 53.8k | fido_blob_t id_blob; |
743 | 53.8k | fido_blob_t *list_ptr; |
744 | | |
745 | 53.8k | memset(&id_blob, 0, sizeof(id_blob)); |
746 | | |
747 | 53.8k | if (fido_blob_set(&id_blob, id_ptr, id_len) < 0) |
748 | 442 | return (FIDO_ERR_INVALID_ARGUMENT); |
749 | | |
750 | 53.4k | if (cred->excl.len == SIZE_MAX) { |
751 | 0 | free(id_blob.ptr); |
752 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
753 | 0 | } |
754 | | |
755 | 53.4k | if ((list_ptr = recallocarray(cred->excl.ptr, cred->excl.len, |
756 | 53.4k | cred->excl.len + 1, sizeof(fido_blob_t))) == NULL) { |
757 | 167 | free(id_blob.ptr); |
758 | 167 | return (FIDO_ERR_INTERNAL); |
759 | 167 | } |
760 | | |
761 | 53.2k | list_ptr[cred->excl.len++] = id_blob; |
762 | 53.2k | cred->excl.ptr = list_ptr; |
763 | | |
764 | 53.2k | return (FIDO_OK); |
765 | 53.4k | } |
766 | | |
767 | | int |
768 | | fido_cred_set_clientdata(fido_cred_t *cred, const unsigned char *data, |
769 | | size_t data_len) |
770 | 0 | { |
771 | 0 | if (!fido_blob_is_empty(&cred->cdh) || |
772 | 0 | fido_blob_set(&cred->cd, data, data_len) < 0) { |
773 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
774 | 0 | } |
775 | 0 | if (fido_sha256(&cred->cdh, data, data_len) < 0) { |
776 | 0 | fido_blob_reset(&cred->cd); |
777 | 0 | return (FIDO_ERR_INTERNAL); |
778 | 0 | } |
779 | | |
780 | 0 | return (FIDO_OK); |
781 | 0 | } |
782 | | |
783 | | int |
784 | | fido_cred_set_clientdata_hash(fido_cred_t *cred, const unsigned char *hash, |
785 | | size_t hash_len) |
786 | 4.97k | { |
787 | 4.97k | if (!fido_blob_is_empty(&cred->cd) || |
788 | 4.97k | fido_blob_set(&cred->cdh, hash, hash_len) < 0) |
789 | 283 | return (FIDO_ERR_INVALID_ARGUMENT); |
790 | | |
791 | 4.69k | return (FIDO_OK); |
792 | 4.97k | } |
793 | | |
794 | | int |
795 | | fido_cred_set_rp(fido_cred_t *cred, const char *id, const char *name) |
796 | 4.97k | { |
797 | 4.97k | fido_rp_t *rp = &cred->rp; |
798 | | |
799 | 4.97k | if (rp->id != NULL) { |
800 | 1.56k | free(rp->id); |
801 | 1.56k | rp->id = NULL; |
802 | 1.56k | } |
803 | 4.97k | if (rp->name != NULL) { |
804 | 1.56k | free(rp->name); |
805 | 1.56k | rp->name = NULL; |
806 | 1.56k | } |
807 | | |
808 | 4.97k | if (id != NULL && (rp->id = strdup(id)) == NULL) |
809 | 22 | goto fail; |
810 | 4.95k | if (name != NULL && (rp->name = strdup(name)) == NULL) |
811 | 13 | goto fail; |
812 | | |
813 | 4.93k | return (FIDO_OK); |
814 | 35 | fail: |
815 | 35 | free(rp->id); |
816 | 35 | free(rp->name); |
817 | 35 | rp->id = NULL; |
818 | 35 | rp->name = NULL; |
819 | | |
820 | 35 | return (FIDO_ERR_INTERNAL); |
821 | 4.95k | } |
822 | | |
823 | | int |
824 | | fido_cred_set_user(fido_cred_t *cred, const unsigned char *user_id, |
825 | | size_t user_id_len, const char *name, const char *display_name, |
826 | | const char *icon) |
827 | 3.90k | { |
828 | 3.90k | fido_user_t *up = &cred->user; |
829 | | |
830 | 3.90k | if (up->id.ptr != NULL) { |
831 | 1.53k | free(up->id.ptr); |
832 | 1.53k | up->id.ptr = NULL; |
833 | 1.53k | up->id.len = 0; |
834 | 1.53k | } |
835 | 3.90k | if (up->name != NULL) { |
836 | 1.53k | free(up->name); |
837 | 1.53k | up->name = NULL; |
838 | 1.53k | } |
839 | 3.90k | if (up->display_name != NULL) { |
840 | 1.53k | free(up->display_name); |
841 | 1.53k | up->display_name = NULL; |
842 | 1.53k | } |
843 | 3.90k | if (up->icon != NULL) { |
844 | 1.53k | free(up->icon); |
845 | 1.53k | up->icon = NULL; |
846 | 1.53k | } |
847 | | |
848 | 3.90k | if (user_id != NULL && fido_blob_set(&up->id, user_id, user_id_len) < 0) |
849 | 42 | goto fail; |
850 | 3.86k | if (name != NULL && (up->name = strdup(name)) == NULL) |
851 | 16 | goto fail; |
852 | 3.84k | if (display_name != NULL && |
853 | 3.84k | (up->display_name = strdup(display_name)) == NULL) |
854 | 14 | goto fail; |
855 | 3.83k | if (icon != NULL && (up->icon = strdup(icon)) == NULL) |
856 | 16 | goto fail; |
857 | | |
858 | 3.81k | return (FIDO_OK); |
859 | 88 | fail: |
860 | 88 | free(up->id.ptr); |
861 | 88 | free(up->name); |
862 | 88 | free(up->display_name); |
863 | 88 | free(up->icon); |
864 | | |
865 | 88 | up->id.ptr = NULL; |
866 | 88 | up->id.len = 0; |
867 | 88 | up->name = NULL; |
868 | 88 | up->display_name = NULL; |
869 | 88 | up->icon = NULL; |
870 | | |
871 | 88 | return (FIDO_ERR_INTERNAL); |
872 | 3.83k | } |
873 | | |
874 | | int |
875 | | fido_cred_set_extensions(fido_cred_t *cred, int ext) |
876 | 2.76k | { |
877 | 2.76k | if (ext == 0) |
878 | 53 | cred->ext.mask = 0; |
879 | 2.70k | else { |
880 | 2.70k | if ((ext & FIDO_EXT_CRED_MASK) != ext) |
881 | 1.73k | return (FIDO_ERR_INVALID_ARGUMENT); |
882 | 970 | cred->ext.mask |= ext; |
883 | 970 | } |
884 | | |
885 | 1.02k | return (FIDO_OK); |
886 | 2.76k | } |
887 | | |
888 | | int |
889 | | fido_cred_set_options(fido_cred_t *cred, bool rk, bool uv) |
890 | 0 | { |
891 | 0 | cred->rk = rk ? FIDO_OPT_TRUE : FIDO_OPT_FALSE; |
892 | 0 | cred->uv = uv ? FIDO_OPT_TRUE : FIDO_OPT_FALSE; |
893 | |
|
894 | 0 | return (FIDO_OK); |
895 | 0 | } |
896 | | |
897 | | int |
898 | | fido_cred_set_rk(fido_cred_t *cred, fido_opt_t rk) |
899 | 1.07k | { |
900 | 1.07k | cred->rk = rk; |
901 | | |
902 | 1.07k | return (FIDO_OK); |
903 | 1.07k | } |
904 | | |
905 | | int |
906 | | fido_cred_set_uv(fido_cred_t *cred, fido_opt_t uv) |
907 | 921 | { |
908 | 921 | cred->uv = uv; |
909 | | |
910 | 921 | return (FIDO_OK); |
911 | 921 | } |
912 | | |
913 | | int |
914 | | fido_cred_set_prot(fido_cred_t *cred, int prot) |
915 | 3.46k | { |
916 | 3.46k | if (prot == 0) { |
917 | 2.03k | cred->ext.mask &= ~FIDO_EXT_CRED_PROTECT; |
918 | 2.03k | cred->ext.prot = 0; |
919 | 2.03k | } else { |
920 | 1.42k | if (prot != FIDO_CRED_PROT_UV_OPTIONAL && |
921 | 1.42k | prot != FIDO_CRED_PROT_UV_OPTIONAL_WITH_ID && |
922 | 1.42k | prot != FIDO_CRED_PROT_UV_REQUIRED) |
923 | 4 | return (FIDO_ERR_INVALID_ARGUMENT); |
924 | | |
925 | 1.42k | cred->ext.mask |= FIDO_EXT_CRED_PROTECT; |
926 | 1.42k | cred->ext.prot = prot; |
927 | 1.42k | } |
928 | | |
929 | 3.45k | return (FIDO_OK); |
930 | 3.46k | } |
931 | | |
932 | | int |
933 | | fido_cred_set_pin_minlen(fido_cred_t *cred, size_t len) |
934 | 2.23k | { |
935 | 2.23k | if (len == 0) |
936 | 1.85k | cred->ext.mask &= ~FIDO_EXT_MINPINLEN; |
937 | 381 | else |
938 | 381 | cred->ext.mask |= FIDO_EXT_MINPINLEN; |
939 | | |
940 | 2.23k | cred->ext.minpinlen = len; |
941 | | |
942 | 2.23k | return (FIDO_OK); |
943 | 2.23k | } |
944 | | |
945 | | int |
946 | | fido_cred_set_blob(fido_cred_t *cred, const unsigned char *ptr, size_t len) |
947 | 347 | { |
948 | 347 | if (ptr == NULL || len == 0) |
949 | 1 | return (FIDO_ERR_INVALID_ARGUMENT); |
950 | 346 | if (fido_blob_set(&cred->blob, ptr, len) < 0) |
951 | 1 | return (FIDO_ERR_INTERNAL); |
952 | | |
953 | 345 | cred->ext.mask |= FIDO_EXT_CRED_BLOB; |
954 | | |
955 | 345 | return (FIDO_OK); |
956 | 346 | } |
957 | | |
958 | | int |
959 | | fido_cred_set_fmt(fido_cred_t *cred, const char *fmt) |
960 | 299 | { |
961 | 299 | free(cred->fmt); |
962 | 299 | cred->fmt = NULL; |
963 | | |
964 | 299 | if (fmt == NULL) |
965 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
966 | | |
967 | 299 | if (strcmp(fmt, "packed") && strcmp(fmt, "fido-u2f") && |
968 | 299 | strcmp(fmt, "none") && strcmp(fmt, "tpm")) |
969 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
970 | | |
971 | 299 | if ((cred->fmt = strdup(fmt)) == NULL) |
972 | 3 | return (FIDO_ERR_INTERNAL); |
973 | | |
974 | 296 | return (FIDO_OK); |
975 | 299 | } |
976 | | |
977 | | int |
978 | | fido_cred_set_type(fido_cred_t *cred, int cose_alg) |
979 | 4.97k | { |
980 | 4.97k | if (cred->type != 0) |
981 | 1.57k | return (FIDO_ERR_INVALID_ARGUMENT); |
982 | 3.40k | if (cose_alg != COSE_ES256 && cose_alg != COSE_ES384 && |
983 | 3.40k | cose_alg != COSE_RS256 && cose_alg != COSE_EDDSA) |
984 | 0 | return (FIDO_ERR_INVALID_ARGUMENT); |
985 | | |
986 | 3.40k | cred->type = cose_alg; |
987 | | |
988 | 3.40k | return (FIDO_OK); |
989 | 3.40k | } |
990 | | |
991 | | int |
992 | | fido_cred_type(const fido_cred_t *cred) |
993 | 1.96k | { |
994 | 1.96k | return (cred->type); |
995 | 1.96k | } |
996 | | |
997 | | uint8_t |
998 | | fido_cred_flags(const fido_cred_t *cred) |
999 | 1.82k | { |
1000 | 1.82k | return (cred->authdata.flags); |
1001 | 1.82k | } |
1002 | | |
1003 | | uint32_t |
1004 | | fido_cred_sigcount(const fido_cred_t *cred) |
1005 | 1.82k | { |
1006 | 1.82k | return (cred->authdata.sigcount); |
1007 | 1.82k | } |
1008 | | |
1009 | | const unsigned char * |
1010 | | fido_cred_clientdata_hash_ptr(const fido_cred_t *cred) |
1011 | 1.84k | { |
1012 | 1.84k | return (cred->cdh.ptr); |
1013 | 1.84k | } |
1014 | | |
1015 | | size_t |
1016 | | fido_cred_clientdata_hash_len(const fido_cred_t *cred) |
1017 | 1.84k | { |
1018 | 1.84k | return (cred->cdh.len); |
1019 | 1.84k | } |
1020 | | |
1021 | | const unsigned char * |
1022 | | fido_cred_x5c_ptr(const fido_cred_t *cred) |
1023 | 1.84k | { |
1024 | 1.84k | return (cred->attstmt.x5c.ptr); |
1025 | 1.84k | } |
1026 | | |
1027 | | size_t |
1028 | | fido_cred_x5c_len(const fido_cred_t *cred) |
1029 | 1.84k | { |
1030 | 1.84k | return (cred->attstmt.x5c.len); |
1031 | 1.84k | } |
1032 | | |
1033 | | const unsigned char * |
1034 | | fido_cred_sig_ptr(const fido_cred_t *cred) |
1035 | 1.84k | { |
1036 | 1.84k | return (cred->attstmt.sig.ptr); |
1037 | 1.84k | } |
1038 | | |
1039 | | size_t |
1040 | | fido_cred_sig_len(const fido_cred_t *cred) |
1041 | 1.84k | { |
1042 | 1.84k | return (cred->attstmt.sig.len); |
1043 | 1.84k | } |
1044 | | |
1045 | | const unsigned char * |
1046 | | fido_cred_authdata_ptr(const fido_cred_t *cred) |
1047 | 1.84k | { |
1048 | 1.84k | return (cred->authdata_cbor.ptr); |
1049 | 1.84k | } |
1050 | | |
1051 | | size_t |
1052 | | fido_cred_authdata_len(const fido_cred_t *cred) |
1053 | 1.84k | { |
1054 | 1.84k | return (cred->authdata_cbor.len); |
1055 | 1.84k | } |
1056 | | |
1057 | | const unsigned char * |
1058 | | fido_cred_authdata_raw_ptr(const fido_cred_t *cred) |
1059 | 1.84k | { |
1060 | 1.84k | return (cred->authdata_raw.ptr); |
1061 | 1.84k | } |
1062 | | |
1063 | | size_t |
1064 | | fido_cred_authdata_raw_len(const fido_cred_t *cred) |
1065 | 1.84k | { |
1066 | 1.84k | return (cred->authdata_raw.len); |
1067 | 1.84k | } |
1068 | | |
1069 | | const unsigned char * |
1070 | | fido_cred_attstmt_ptr(const fido_cred_t *cred) |
1071 | 1.84k | { |
1072 | 1.84k | return (cred->attstmt.cbor.ptr); |
1073 | 1.84k | } |
1074 | | |
1075 | | size_t |
1076 | | fido_cred_attstmt_len(const fido_cred_t *cred) |
1077 | 1.84k | { |
1078 | 1.84k | return (cred->attstmt.cbor.len); |
1079 | 1.84k | } |
1080 | | |
1081 | | const unsigned char * |
1082 | | fido_cred_pubkey_ptr(const fido_cred_t *cred) |
1083 | 1.96k | { |
1084 | 1.96k | const void *ptr; |
1085 | | |
1086 | 1.96k | switch (cred->attcred.type) { |
1087 | 181 | case COSE_ES256: |
1088 | 181 | ptr = &cred->attcred.pubkey.es256; |
1089 | 181 | break; |
1090 | 2 | case COSE_ES384: |
1091 | 2 | ptr = &cred->attcred.pubkey.es384; |
1092 | 2 | break; |
1093 | 53 | case COSE_RS256: |
1094 | 53 | ptr = &cred->attcred.pubkey.rs256; |
1095 | 53 | break; |
1096 | 74 | case COSE_EDDSA: |
1097 | 74 | ptr = &cred->attcred.pubkey.eddsa; |
1098 | 74 | break; |
1099 | 1.65k | default: |
1100 | 1.65k | ptr = NULL; |
1101 | 1.65k | break; |
1102 | 1.96k | } |
1103 | | |
1104 | 1.96k | return (ptr); |
1105 | 1.96k | } |
1106 | | |
1107 | | size_t |
1108 | | fido_cred_pubkey_len(const fido_cred_t *cred) |
1109 | 1.96k | { |
1110 | 1.96k | size_t len; |
1111 | | |
1112 | 1.96k | switch (cred->attcred.type) { |
1113 | 181 | case COSE_ES256: |
1114 | 181 | len = sizeof(cred->attcred.pubkey.es256); |
1115 | 181 | break; |
1116 | 2 | case COSE_ES384: |
1117 | 2 | len = sizeof(cred->attcred.pubkey.es384); |
1118 | 2 | break; |
1119 | 53 | case COSE_RS256: |
1120 | 53 | len = sizeof(cred->attcred.pubkey.rs256); |
1121 | 53 | break; |
1122 | 74 | case COSE_EDDSA: |
1123 | 74 | len = sizeof(cred->attcred.pubkey.eddsa); |
1124 | 74 | break; |
1125 | 1.65k | default: |
1126 | 1.65k | len = 0; |
1127 | 1.65k | break; |
1128 | 1.96k | } |
1129 | | |
1130 | 1.96k | return (len); |
1131 | 1.96k | } |
1132 | | |
1133 | | const unsigned char * |
1134 | | fido_cred_id_ptr(const fido_cred_t *cred) |
1135 | 3.79k | { |
1136 | 3.79k | return (cred->attcred.id.ptr); |
1137 | 3.79k | } |
1138 | | |
1139 | | size_t |
1140 | | fido_cred_id_len(const fido_cred_t *cred) |
1141 | 3.79k | { |
1142 | 3.79k | return (cred->attcred.id.len); |
1143 | 3.79k | } |
1144 | | |
1145 | | const unsigned char * |
1146 | | fido_cred_aaguid_ptr(const fido_cred_t *cred) |
1147 | 1.82k | { |
1148 | 1.82k | return (cred->attcred.aaguid); |
1149 | 1.82k | } |
1150 | | |
1151 | | size_t |
1152 | | fido_cred_aaguid_len(const fido_cred_t *cred) |
1153 | 1.82k | { |
1154 | 1.82k | return (sizeof(cred->attcred.aaguid)); |
1155 | 1.82k | } |
1156 | | |
1157 | | int |
1158 | | fido_cred_prot(const fido_cred_t *cred) |
1159 | 1.97k | { |
1160 | 1.97k | return (cred->ext.prot); |
1161 | 1.97k | } |
1162 | | |
1163 | | size_t |
1164 | | fido_cred_pin_minlen(const fido_cred_t *cred) |
1165 | 3.66k | { |
1166 | 3.66k | return (cred->ext.minpinlen); |
1167 | 3.66k | } |
1168 | | |
1169 | | const char * |
1170 | | fido_cred_fmt(const fido_cred_t *cred) |
1171 | 1.84k | { |
1172 | 1.84k | return (cred->fmt); |
1173 | 1.84k | } |
1174 | | |
1175 | | const char * |
1176 | | fido_cred_rp_id(const fido_cred_t *cred) |
1177 | 1.84k | { |
1178 | 1.84k | return (cred->rp.id); |
1179 | 1.84k | } |
1180 | | |
1181 | | const char * |
1182 | | fido_cred_rp_name(const fido_cred_t *cred) |
1183 | 1.84k | { |
1184 | 1.84k | return (cred->rp.name); |
1185 | 1.84k | } |
1186 | | |
1187 | | const char * |
1188 | | fido_cred_user_name(const fido_cred_t *cred) |
1189 | 1.96k | { |
1190 | 1.96k | return (cred->user.name); |
1191 | 1.96k | } |
1192 | | |
1193 | | const char * |
1194 | | fido_cred_display_name(const fido_cred_t *cred) |
1195 | 1.96k | { |
1196 | 1.96k | return (cred->user.display_name); |
1197 | 1.96k | } |
1198 | | |
1199 | | const unsigned char * |
1200 | | fido_cred_user_id_ptr(const fido_cred_t *cred) |
1201 | 1.96k | { |
1202 | 1.96k | return (cred->user.id.ptr); |
1203 | 1.96k | } |
1204 | | |
1205 | | size_t |
1206 | | fido_cred_user_id_len(const fido_cred_t *cred) |
1207 | 1.96k | { |
1208 | 1.96k | return (cred->user.id.len); |
1209 | 1.96k | } |
1210 | | |
1211 | | const unsigned char * |
1212 | | fido_cred_largeblob_key_ptr(const fido_cred_t *cred) |
1213 | 1.82k | { |
1214 | 1.82k | return (cred->largeblob_key.ptr); |
1215 | 1.82k | } |
1216 | | |
1217 | | size_t |
1218 | | fido_cred_largeblob_key_len(const fido_cred_t *cred) |
1219 | 1.82k | { |
1220 | 1.82k | return (cred->largeblob_key.len); |
1221 | 1.82k | } |