1 /*
2 * Hotspot 2.0 OSU client
3 * Copyright (c) 2012-2014, Qualcomm Atheros, Inc.
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "includes.h"
10 #include <time.h>
11 #include <sys/stat.h>
12 #ifdef ANDROID
13 #include "private/android_filesystem_config.h"
14 #endif /* ANDROID */
15
16 #include "common.h"
17 #include "utils/browser.h"
18 #include "utils/base64.h"
19 #include "utils/xml-utils.h"
20 #include "utils/http-utils.h"
21 #include "common/wpa_ctrl.h"
22 #include "common/wpa_helpers.h"
23 #include "eap_common/eap_defs.h"
24 #include "crypto/crypto.h"
25 #include "crypto/sha256.h"
26 #include "osu_client.h"
27
28 const char *spp_xsd_fname = "spp.xsd";
29
30
write_result(struct hs20_osu_client * ctx,const char * fmt,...)31 void write_result(struct hs20_osu_client *ctx, const char *fmt, ...)
32 {
33 va_list ap;
34 FILE *f;
35 char buf[500];
36
37 va_start(ap, fmt);
38 vsnprintf(buf, sizeof(buf), fmt, ap);
39 va_end(ap);
40 write_summary(ctx, "%s", buf);
41
42 if (!ctx->result_file)
43 return;
44
45 f = fopen(ctx->result_file, "w");
46 if (f == NULL)
47 return;
48
49 va_start(ap, fmt);
50 vfprintf(f, fmt, ap);
51 va_end(ap);
52 fprintf(f, "\n");
53 fclose(f);
54 }
55
56
write_summary(struct hs20_osu_client * ctx,const char * fmt,...)57 void write_summary(struct hs20_osu_client *ctx, const char *fmt, ...)
58 {
59 va_list ap;
60 FILE *f;
61
62 if (!ctx->summary_file)
63 return;
64
65 f = fopen(ctx->summary_file, "a");
66 if (f == NULL)
67 return;
68
69 va_start(ap, fmt);
70 vfprintf(f, fmt, ap);
71 va_end(ap);
72 fprintf(f, "\n");
73 fclose(f);
74 }
75
76
debug_dump_node(struct hs20_osu_client * ctx,const char * title,xml_node_t * node)77 void debug_dump_node(struct hs20_osu_client *ctx, const char *title,
78 xml_node_t *node)
79 {
80 char *str = xml_node_to_str(ctx->xml, node);
81 wpa_printf(MSG_DEBUG, "[hs20] %s: '%s'", title, str);
82 free(str);
83 }
84
85
valid_fqdn(const char * fqdn)86 static int valid_fqdn(const char *fqdn)
87 {
88 const char *pos;
89
90 /* TODO: could make this more complete.. */
91 if (strchr(fqdn, '.') == 0 || strlen(fqdn) > 255)
92 return 0;
93 for (pos = fqdn; *pos; pos++) {
94 if (*pos >= 'a' && *pos <= 'z')
95 continue;
96 if (*pos >= 'A' && *pos <= 'Z')
97 continue;
98 if (*pos >= '0' && *pos <= '9')
99 continue;
100 if (*pos == '-' || *pos == '.' || *pos == '_')
101 continue;
102 return 0;
103 }
104 return 1;
105 }
106
107
android_update_permission(const char * path,mode_t mode)108 static int android_update_permission(const char *path, mode_t mode)
109 {
110 #ifdef ANDROID
111 /* we need to change file/folder permission for Android */
112
113 if (!path) {
114 wpa_printf(MSG_ERROR, "file path null");
115 return -1;
116 }
117
118 /* Allow processes running with Group ID as AID_WIFI,
119 * to read files from SP, SP/<fqdn>, Cert and osu-info directories */
120 if (lchown(path, -1, AID_WIFI)) {
121 wpa_printf(MSG_INFO, "CTRL: Could not lchown directory: %s",
122 strerror(errno));
123 return -1;
124 }
125
126 if (chmod(path, mode) < 0) {
127 wpa_printf(MSG_INFO, "CTRL: Could not chmod directory: %s",
128 strerror(errno));
129 return -1;
130 }
131 #endif /* ANDROID */
132
133 return 0;
134 }
135
136
osu_get_certificate(struct hs20_osu_client * ctx,xml_node_t * getcert)137 int osu_get_certificate(struct hs20_osu_client *ctx, xml_node_t *getcert)
138 {
139 xml_node_t *node;
140 char *url, *user = NULL, *pw = NULL;
141 char *proto;
142 int ret = -1;
143
144 proto = xml_node_get_attr_value(ctx->xml, getcert,
145 "enrollmentProtocol");
146 if (!proto)
147 return -1;
148 wpa_printf(MSG_INFO, "getCertificate - enrollmentProtocol=%s", proto);
149 write_summary(ctx, "getCertificate - enrollmentProtocol=%s", proto);
150 if (os_strcasecmp(proto, "EST") != 0) {
151 wpa_printf(MSG_INFO, "Unsupported enrollmentProtocol");
152 xml_node_get_attr_value_free(ctx->xml, proto);
153 return -1;
154 }
155 xml_node_get_attr_value_free(ctx->xml, proto);
156
157 node = get_node(ctx->xml, getcert, "enrollmentServerURI");
158 if (node == NULL) {
159 wpa_printf(MSG_INFO, "Could not find enrollmentServerURI node");
160 xml_node_get_attr_value_free(ctx->xml, proto);
161 return -1;
162 }
163 url = xml_node_get_text(ctx->xml, node);
164 if (url == NULL) {
165 wpa_printf(MSG_INFO, "Could not get URL text");
166 return -1;
167 }
168 wpa_printf(MSG_INFO, "enrollmentServerURI: %s", url);
169 write_summary(ctx, "enrollmentServerURI: %s", url);
170
171 node = get_node(ctx->xml, getcert, "estUserID");
172 if (node == NULL && !ctx->client_cert_present) {
173 wpa_printf(MSG_INFO, "Could not find estUserID node");
174 goto fail;
175 }
176 if (node) {
177 user = xml_node_get_text(ctx->xml, node);
178 if (user == NULL) {
179 wpa_printf(MSG_INFO, "Could not get estUserID text");
180 goto fail;
181 }
182 wpa_printf(MSG_INFO, "estUserID: %s", user);
183 write_summary(ctx, "estUserID: %s", user);
184 }
185
186 node = get_node(ctx->xml, getcert, "estPassword");
187 if (node == NULL && !ctx->client_cert_present) {
188 wpa_printf(MSG_INFO, "Could not find estPassword node");
189 goto fail;
190 }
191 if (node) {
192 pw = xml_node_get_base64_text(ctx->xml, node, NULL);
193 if (pw == NULL) {
194 wpa_printf(MSG_INFO, "Could not get estPassword text");
195 goto fail;
196 }
197 wpa_printf(MSG_INFO, "estPassword: %s", pw);
198 }
199
200 mkdir("Cert", S_IRWXU);
201 android_update_permission("Cert", S_IRWXU | S_IRWXG);
202
203 if (est_load_cacerts(ctx, url) < 0 ||
204 est_build_csr(ctx, url) < 0 ||
205 est_simple_enroll(ctx, url, user, pw) < 0)
206 goto fail;
207
208 ret = 0;
209 fail:
210 xml_node_get_text_free(ctx->xml, url);
211 xml_node_get_text_free(ctx->xml, user);
212 xml_node_get_text_free(ctx->xml, pw);
213
214 return ret;
215 }
216
217
process_est_cert(struct hs20_osu_client * ctx,xml_node_t * cert,const char * fqdn)218 static int process_est_cert(struct hs20_osu_client *ctx, xml_node_t *cert,
219 const char *fqdn)
220 {
221 u8 digest1[SHA256_MAC_LEN], digest2[SHA256_MAC_LEN];
222 char *der, *pem;
223 size_t der_len, pem_len;
224 char *fingerprint;
225 char buf[200];
226
227 wpa_printf(MSG_INFO, "PPS for certificate credential - fqdn=%s", fqdn);
228
229 fingerprint = xml_node_get_text(ctx->xml, cert);
230 if (fingerprint == NULL)
231 return -1;
232 if (hexstr2bin(fingerprint, digest1, SHA256_MAC_LEN) < 0) {
233 wpa_printf(MSG_INFO, "Invalid SHA256 hash value");
234 write_result(ctx, "Invalid client certificate SHA256 hash value in PPS");
235 xml_node_get_text_free(ctx->xml, fingerprint);
236 return -1;
237 }
238 xml_node_get_text_free(ctx->xml, fingerprint);
239
240 der = os_readfile("Cert/est_cert.der", &der_len);
241 if (der == NULL) {
242 wpa_printf(MSG_INFO, "Could not find client certificate from EST");
243 write_result(ctx, "Could not find client certificate from EST");
244 return -1;
245 }
246
247 if (sha256_vector(1, (const u8 **) &der, &der_len, digest2) < 0) {
248 os_free(der);
249 return -1;
250 }
251 os_free(der);
252
253 if (os_memcmp(digest1, digest2, sizeof(digest1)) != 0) {
254 wpa_printf(MSG_INFO, "Client certificate from EST does not match fingerprint from PPS MO");
255 write_result(ctx, "Client certificate from EST does not match fingerprint from PPS MO");
256 return -1;
257 }
258
259 wpa_printf(MSG_INFO, "Client certificate from EST matches PPS MO");
260 unlink("Cert/est_cert.der");
261
262 os_snprintf(buf, sizeof(buf), "SP/%s/client-ca.pem", fqdn);
263 if (rename("Cert/est-cacerts.pem", buf) < 0) {
264 wpa_printf(MSG_INFO, "Could not move est-cacerts.pem to client-ca.pem: %s",
265 strerror(errno));
266 return -1;
267 }
268 pem = os_readfile(buf, &pem_len);
269
270 os_snprintf(buf, sizeof(buf), "SP/%s/client-cert.pem", fqdn);
271 if (rename("Cert/est_cert.pem", buf) < 0) {
272 wpa_printf(MSG_INFO, "Could not move est_cert.pem to client-cert.pem: %s",
273 strerror(errno));
274 os_free(pem);
275 return -1;
276 }
277
278 if (pem) {
279 FILE *f = fopen(buf, "a");
280 if (f) {
281 fwrite(pem, pem_len, 1, f);
282 fclose(f);
283 }
284 os_free(pem);
285 }
286
287 os_snprintf(buf, sizeof(buf), "SP/%s/client-key.pem", fqdn);
288 if (rename("Cert/privkey-plain.pem", buf) < 0) {
289 wpa_printf(MSG_INFO, "Could not move privkey-plain.pem to client-key.pem: %s",
290 strerror(errno));
291 return -1;
292 }
293
294 unlink("Cert/est-req.b64");
295 unlink("Cert/est-req.pem");
296 rmdir("Cert");
297
298 return 0;
299 }
300
301
302 #define TMP_CERT_DL_FILE "tmp-cert-download"
303
download_cert(struct hs20_osu_client * ctx,xml_node_t * params,const char * fname)304 static int download_cert(struct hs20_osu_client *ctx, xml_node_t *params,
305 const char *fname)
306 {
307 xml_node_t *url_node, *hash_node;
308 char *url, *hash;
309 char *cert;
310 size_t len;
311 u8 digest1[SHA256_MAC_LEN], digest2[SHA256_MAC_LEN];
312 int res;
313 unsigned char *b64;
314 FILE *f;
315
316 url_node = get_node(ctx->xml, params, "CertURL");
317 hash_node = get_node(ctx->xml, params, "CertSHA256Fingerprint");
318 if (url_node == NULL || hash_node == NULL)
319 return -1;
320 url = xml_node_get_text(ctx->xml, url_node);
321 hash = xml_node_get_text(ctx->xml, hash_node);
322 if (url == NULL || hash == NULL) {
323 xml_node_get_text_free(ctx->xml, url);
324 xml_node_get_text_free(ctx->xml, hash);
325 return -1;
326 }
327
328 wpa_printf(MSG_INFO, "CertURL: %s", url);
329 wpa_printf(MSG_INFO, "SHA256 hash: %s", hash);
330
331 if (hexstr2bin(hash, digest1, SHA256_MAC_LEN) < 0) {
332 wpa_printf(MSG_INFO, "Invalid SHA256 hash value");
333 write_result(ctx, "Invalid SHA256 hash value for downloaded certificate");
334 xml_node_get_text_free(ctx->xml, hash);
335 return -1;
336 }
337 xml_node_get_text_free(ctx->xml, hash);
338
339 write_summary(ctx, "Download certificate from %s", url);
340 ctx->no_osu_cert_validation = 1;
341 http_ocsp_set(ctx->http, 1);
342 res = http_download_file(ctx->http, url, TMP_CERT_DL_FILE, NULL);
343 http_ocsp_set(ctx->http,
344 (ctx->workarounds & WORKAROUND_OCSP_OPTIONAL) ? 1 : 2);
345 ctx->no_osu_cert_validation = 0;
346 xml_node_get_text_free(ctx->xml, url);
347 if (res < 0)
348 return -1;
349
350 cert = os_readfile(TMP_CERT_DL_FILE, &len);
351 remove(TMP_CERT_DL_FILE);
352 if (cert == NULL)
353 return -1;
354
355 if (sha256_vector(1, (const u8 **) &cert, &len, digest2) < 0) {
356 os_free(cert);
357 return -1;
358 }
359
360 if (os_memcmp(digest1, digest2, sizeof(digest1)) != 0) {
361 wpa_printf(MSG_INFO, "Downloaded certificate fingerprint did not match");
362 write_result(ctx, "Downloaded certificate fingerprint did not match");
363 os_free(cert);
364 return -1;
365 }
366
367 b64 = base64_encode((unsigned char *) cert, len, NULL);
368 os_free(cert);
369 if (b64 == NULL)
370 return -1;
371
372 f = fopen(fname, "wb");
373 if (f == NULL) {
374 os_free(b64);
375 return -1;
376 }
377
378 fprintf(f, "-----BEGIN CERTIFICATE-----\n"
379 "%s"
380 "-----END CERTIFICATE-----\n",
381 b64);
382
383 os_free(b64);
384 fclose(f);
385
386 wpa_printf(MSG_INFO, "Downloaded certificate into %s and validated fingerprint",
387 fname);
388 write_summary(ctx, "Downloaded certificate into %s and validated fingerprint",
389 fname);
390
391 return 0;
392 }
393
394
cmd_dl_osu_ca(struct hs20_osu_client * ctx,const char * pps_fname,const char * ca_fname)395 static int cmd_dl_osu_ca(struct hs20_osu_client *ctx, const char *pps_fname,
396 const char *ca_fname)
397 {
398 xml_node_t *pps, *node;
399 int ret;
400
401 pps = node_from_file(ctx->xml, pps_fname);
402 if (pps == NULL) {
403 wpa_printf(MSG_INFO, "Could not read or parse '%s'", pps_fname);
404 return -1;
405 }
406
407 node = get_child_node(ctx->xml, pps,
408 "SubscriptionUpdate/TrustRoot");
409 if (node == NULL) {
410 wpa_printf(MSG_INFO, "No SubscriptionUpdate/TrustRoot/CertURL found from PPS");
411 xml_node_free(ctx->xml, pps);
412 return -1;
413 }
414
415 ret = download_cert(ctx, node, ca_fname);
416 xml_node_free(ctx->xml, pps);
417
418 return ret;
419 }
420
421
cmd_dl_polupd_ca(struct hs20_osu_client * ctx,const char * pps_fname,const char * ca_fname)422 static int cmd_dl_polupd_ca(struct hs20_osu_client *ctx, const char *pps_fname,
423 const char *ca_fname)
424 {
425 xml_node_t *pps, *node;
426 int ret;
427
428 pps = node_from_file(ctx->xml, pps_fname);
429 if (pps == NULL) {
430 wpa_printf(MSG_INFO, "Could not read or parse '%s'", pps_fname);
431 return -1;
432 }
433
434 node = get_child_node(ctx->xml, pps,
435 "Policy/PolicyUpdate/TrustRoot");
436 if (node == NULL) {
437 wpa_printf(MSG_INFO, "No Policy/PolicyUpdate/TrustRoot/CertURL found from PPS");
438 xml_node_free(ctx->xml, pps);
439 return -2;
440 }
441
442 ret = download_cert(ctx, node, ca_fname);
443 xml_node_free(ctx->xml, pps);
444
445 return ret;
446 }
447
448
cmd_dl_aaa_ca(struct hs20_osu_client * ctx,const char * pps_fname,const char * ca_fname)449 static int cmd_dl_aaa_ca(struct hs20_osu_client *ctx, const char *pps_fname,
450 const char *ca_fname)
451 {
452 xml_node_t *pps, *node, *aaa;
453 int ret;
454
455 pps = node_from_file(ctx->xml, pps_fname);
456 if (pps == NULL) {
457 wpa_printf(MSG_INFO, "Could not read or parse '%s'", pps_fname);
458 return -1;
459 }
460
461 node = get_child_node(ctx->xml, pps,
462 "AAAServerTrustRoot");
463 if (node == NULL) {
464 wpa_printf(MSG_INFO, "No AAAServerTrustRoot/CertURL found from PPS");
465 xml_node_free(ctx->xml, pps);
466 return -2;
467 }
468
469 aaa = xml_node_first_child(ctx->xml, node);
470 if (aaa == NULL) {
471 wpa_printf(MSG_INFO, "No AAAServerTrustRoot/CertURL found from PPS");
472 xml_node_free(ctx->xml, pps);
473 return -1;
474 }
475
476 ret = download_cert(ctx, aaa, ca_fname);
477 xml_node_free(ctx->xml, pps);
478
479 return ret;
480 }
481
482
download_trust_roots(struct hs20_osu_client * ctx,const char * pps_fname)483 static int download_trust_roots(struct hs20_osu_client *ctx,
484 const char *pps_fname)
485 {
486 char *dir, *pos;
487 char fname[300];
488 int ret, ret1;
489
490 dir = os_strdup(pps_fname);
491 if (dir == NULL)
492 return -1;
493 pos = os_strrchr(dir, '/');
494 if (pos == NULL) {
495 os_free(dir);
496 return -1;
497 }
498 *pos = '\0';
499
500 snprintf(fname, sizeof(fname), "%s/ca.pem", dir);
501 ret = cmd_dl_osu_ca(ctx, pps_fname, fname);
502 snprintf(fname, sizeof(fname), "%s/polupd-ca.pem", dir);
503 ret1 = cmd_dl_polupd_ca(ctx, pps_fname, fname);
504 if (ret == 0 && ret1 == -1)
505 ret = -1;
506 snprintf(fname, sizeof(fname), "%s/aaa-ca.pem", dir);
507 ret1 = cmd_dl_aaa_ca(ctx, pps_fname, fname);
508 if (ret == 0 && ret1 == -1)
509 ret = -1;
510
511 os_free(dir);
512
513 return ret;
514 }
515
516
server_dnsname_suffix_match(struct hs20_osu_client * ctx,const char * fqdn)517 static int server_dnsname_suffix_match(struct hs20_osu_client *ctx,
518 const char *fqdn)
519 {
520 size_t match_len, len, i;
521 const char *val;
522
523 match_len = os_strlen(fqdn);
524
525 for (i = 0; i < ctx->server_dnsname_count; i++) {
526 wpa_printf(MSG_INFO,
527 "Checking suffix match against server dNSName %s",
528 ctx->server_dnsname[i]);
529 val = ctx->server_dnsname[i];
530 len = os_strlen(val);
531
532 if (match_len > len)
533 continue;
534
535 if (os_strncasecmp(val + len - match_len, fqdn, match_len) != 0)
536 continue; /* no match */
537
538 if (match_len == len)
539 return 1; /* exact match */
540
541 if (val[len - match_len - 1] == '.')
542 return 1; /* full label match completes suffix match */
543
544 /* Reject due to incomplete label match */
545 }
546
547 /* None of the dNSName(s) matched */
548 return 0;
549 }
550
551
hs20_add_pps_mo(struct hs20_osu_client * ctx,const char * uri,xml_node_t * add_mo,char * fname,size_t fname_len)552 int hs20_add_pps_mo(struct hs20_osu_client *ctx, const char *uri,
553 xml_node_t *add_mo, char *fname, size_t fname_len)
554 {
555 char *str;
556 char *fqdn, *pos;
557 xml_node_t *tnds, *mo, *cert;
558 const char *name;
559 int ret;
560
561 if (strncmp(uri, "./Wi-Fi/", 8) != 0) {
562 wpa_printf(MSG_INFO, "Unsupported location for addMO to add PPS MO: '%s'",
563 uri);
564 write_result(ctx, "Unsupported location for addMO to add PPS MO: '%s'",
565 uri);
566 return -1;
567 }
568
569 fqdn = strdup(uri + 8);
570 if (fqdn == NULL)
571 return -1;
572 pos = strchr(fqdn, '/');
573 if (pos) {
574 if (os_strcasecmp(pos, "/PerProviderSubscription") != 0) {
575 wpa_printf(MSG_INFO, "Unsupported location for addMO to add PPS MO (extra directory): '%s'",
576 uri);
577 write_result(ctx, "Unsupported location for addMO to "
578 "add PPS MO (extra directory): '%s'", uri);
579 free(fqdn);
580 return -1;
581 }
582 *pos = '\0'; /* remove trailing slash and PPS node name */
583 }
584 wpa_printf(MSG_INFO, "SP FQDN: %s", fqdn);
585
586 if (!server_dnsname_suffix_match(ctx, fqdn)) {
587 wpa_printf(MSG_INFO,
588 "FQDN '%s' for new PPS MO did not have suffix match with server's dNSName values, count: %d",
589 fqdn, (int) ctx->server_dnsname_count);
590 write_result(ctx, "FQDN '%s' for new PPS MO did not have suffix match with server's dNSName values",
591 fqdn);
592 free(fqdn);
593 return -1;
594 }
595
596 if (!valid_fqdn(fqdn)) {
597 wpa_printf(MSG_INFO, "Invalid FQDN '%s'", fqdn);
598 write_result(ctx, "Invalid FQDN '%s'", fqdn);
599 free(fqdn);
600 return -1;
601 }
602
603 mkdir("SP", S_IRWXU);
604 snprintf(fname, fname_len, "SP/%s", fqdn);
605 if (mkdir(fname, S_IRWXU) < 0) {
606 if (errno != EEXIST) {
607 int err = errno;
608 wpa_printf(MSG_INFO, "mkdir(%s) failed: %s",
609 fname, strerror(err));
610 free(fqdn);
611 return -1;
612 }
613 }
614
615 android_update_permission("SP", S_IRWXU | S_IRWXG);
616 android_update_permission(fname, S_IRWXU | S_IRWXG);
617
618 snprintf(fname, fname_len, "SP/%s/pps.xml", fqdn);
619
620 if (os_file_exists(fname)) {
621 wpa_printf(MSG_INFO, "PPS file '%s' exists - reject addMO",
622 fname);
623 write_result(ctx, "PPS file '%s' exists - reject addMO",
624 fname);
625 free(fqdn);
626 return -2;
627 }
628 wpa_printf(MSG_INFO, "Using PPS file: %s", fname);
629
630 str = xml_node_get_text(ctx->xml, add_mo);
631 if (str == NULL) {
632 wpa_printf(MSG_INFO, "Could not extract MO text");
633 free(fqdn);
634 return -1;
635 }
636 wpa_printf(MSG_DEBUG, "[hs20] addMO text: '%s'", str);
637
638 tnds = xml_node_from_buf(ctx->xml, str);
639 xml_node_get_text_free(ctx->xml, str);
640 if (tnds == NULL) {
641 wpa_printf(MSG_INFO, "[hs20] Could not parse addMO text");
642 free(fqdn);
643 return -1;
644 }
645
646 mo = tnds_to_mo(ctx->xml, tnds);
647 if (mo == NULL) {
648 wpa_printf(MSG_INFO, "[hs20] Could not parse addMO TNDS text");
649 free(fqdn);
650 return -1;
651 }
652
653 debug_dump_node(ctx, "Parsed TNDS", mo);
654
655 name = xml_node_get_localname(ctx->xml, mo);
656 if (os_strcasecmp(name, "PerProviderSubscription") != 0) {
657 wpa_printf(MSG_INFO, "[hs20] Unexpected PPS MO root node name '%s'",
658 name);
659 free(fqdn);
660 return -1;
661 }
662
663 cert = get_child_node(ctx->xml, mo,
664 "Credential/DigitalCertificate/"
665 "CertSHA256Fingerprint");
666 if (cert && process_est_cert(ctx, cert, fqdn) < 0) {
667 xml_node_free(ctx->xml, mo);
668 free(fqdn);
669 return -1;
670 }
671 free(fqdn);
672
673 if (node_to_file(ctx->xml, fname, mo) < 0) {
674 wpa_printf(MSG_INFO, "Could not write MO to file");
675 xml_node_free(ctx->xml, mo);
676 return -1;
677 }
678 xml_node_free(ctx->xml, mo);
679
680 wpa_printf(MSG_INFO, "A new PPS MO added as '%s'", fname);
681 write_summary(ctx, "A new PPS MO added as '%s'", fname);
682
683 ret = download_trust_roots(ctx, fname);
684 if (ret < 0) {
685 wpa_printf(MSG_INFO, "Remove invalid PPS MO file");
686 write_summary(ctx, "Remove invalid PPS MO file");
687 unlink(fname);
688 }
689
690 return ret;
691 }
692
693
update_pps_file(struct hs20_osu_client * ctx,const char * pps_fname,xml_node_t * pps)694 int update_pps_file(struct hs20_osu_client *ctx, const char *pps_fname,
695 xml_node_t *pps)
696 {
697 char *str;
698 FILE *f;
699 char backup[300];
700
701 if (ctx->client_cert_present) {
702 xml_node_t *cert;
703 cert = get_child_node(ctx->xml, pps,
704 "Credential/DigitalCertificate/"
705 "CertSHA256Fingerprint");
706 if (cert && os_file_exists("Cert/est_cert.der") &&
707 process_est_cert(ctx, cert, ctx->fqdn) < 0) {
708 wpa_printf(MSG_INFO, "EST certificate update processing failed on PPS MO update");
709 return -1;
710 }
711 }
712
713 wpa_printf(MSG_INFO, "Updating PPS MO %s", pps_fname);
714
715 str = xml_node_to_str(ctx->xml, pps);
716 if (str == NULL) {
717 wpa_printf(MSG_ERROR, "No node found");
718 return -1;
719 }
720 wpa_printf(MSG_MSGDUMP, "[hs20] Updated PPS: '%s'", str);
721
722 snprintf(backup, sizeof(backup), "%s.bak", pps_fname);
723 rename(pps_fname, backup);
724 f = fopen(pps_fname, "w");
725 if (f == NULL) {
726 wpa_printf(MSG_INFO, "Could not write PPS");
727 rename(backup, pps_fname);
728 free(str);
729 return -1;
730 }
731 fprintf(f, "%s\n", str);
732 fclose(f);
733
734 free(str);
735
736 return 0;
737 }
738
739
get_user_pw(struct hs20_osu_client * ctx,xml_node_t * pps,const char * alt_loc,char ** user,char ** pw)740 void get_user_pw(struct hs20_osu_client *ctx, xml_node_t *pps,
741 const char *alt_loc, char **user, char **pw)
742 {
743 xml_node_t *node;
744
745 node = get_child_node(ctx->xml, pps,
746 "Credential/UsernamePassword/Username");
747 if (node)
748 *user = xml_node_get_text(ctx->xml, node);
749
750 node = get_child_node(ctx->xml, pps,
751 "Credential/UsernamePassword/Password");
752 if (node)
753 *pw = xml_node_get_base64_text(ctx->xml, node, NULL);
754
755 node = get_child_node(ctx->xml, pps, alt_loc);
756 if (node) {
757 xml_node_t *a;
758 a = get_node(ctx->xml, node, "Username");
759 if (a) {
760 xml_node_get_text_free(ctx->xml, *user);
761 *user = xml_node_get_text(ctx->xml, a);
762 wpa_printf(MSG_INFO, "Use OSU username '%s'", *user);
763 }
764
765 a = get_node(ctx->xml, node, "Password");
766 if (a) {
767 free(*pw);
768 *pw = xml_node_get_base64_text(ctx->xml, a, NULL);
769 wpa_printf(MSG_INFO, "Use OSU password");
770 }
771 }
772 }
773
774
775 /* Remove old credentials based on HomeSP/FQDN */
remove_sp_creds(struct hs20_osu_client * ctx,const char * fqdn)776 static void remove_sp_creds(struct hs20_osu_client *ctx, const char *fqdn)
777 {
778 char cmd[300];
779 os_snprintf(cmd, sizeof(cmd), "REMOVE_CRED provisioning_sp=%s", fqdn);
780 if (wpa_command(ctx->ifname, cmd) < 0)
781 wpa_printf(MSG_INFO, "Failed to remove old credential(s)");
782 }
783
784
set_pps_cred_policy_spe(struct hs20_osu_client * ctx,int id,xml_node_t * spe)785 static void set_pps_cred_policy_spe(struct hs20_osu_client *ctx, int id,
786 xml_node_t *spe)
787 {
788 xml_node_t *ssid;
789 char *txt;
790
791 ssid = get_node(ctx->xml, spe, "SSID");
792 if (ssid == NULL)
793 return;
794 txt = xml_node_get_text(ctx->xml, ssid);
795 if (txt == NULL)
796 return;
797 wpa_printf(MSG_DEBUG, "- Policy/SPExclusionList/<X+>/SSID = %s", txt);
798 if (set_cred_quoted(ctx->ifname, id, "excluded_ssid", txt) < 0)
799 wpa_printf(MSG_INFO, "Failed to set cred excluded_ssid");
800 xml_node_get_text_free(ctx->xml, txt);
801 }
802
803
set_pps_cred_policy_spel(struct hs20_osu_client * ctx,int id,xml_node_t * spel)804 static void set_pps_cred_policy_spel(struct hs20_osu_client *ctx, int id,
805 xml_node_t *spel)
806 {
807 xml_node_t *child;
808
809 xml_node_for_each_child(ctx->xml, child, spel) {
810 xml_node_for_each_check(ctx->xml, child);
811 set_pps_cred_policy_spe(ctx, id, child);
812 }
813 }
814
815
set_pps_cred_policy_prp(struct hs20_osu_client * ctx,int id,xml_node_t * prp)816 static void set_pps_cred_policy_prp(struct hs20_osu_client *ctx, int id,
817 xml_node_t *prp)
818 {
819 xml_node_t *node;
820 char *txt = NULL, *pos;
821 char *prio, *country_buf = NULL;
822 const char *country;
823 char val[200];
824 int priority;
825
826 node = get_node(ctx->xml, prp, "Priority");
827 if (node == NULL)
828 return;
829 prio = xml_node_get_text(ctx->xml, node);
830 if (prio == NULL)
831 return;
832 wpa_printf(MSG_INFO, "- Policy/PreferredRoamingPartnerList/<X+>/Priority = %s",
833 prio);
834 priority = atoi(prio);
835 xml_node_get_text_free(ctx->xml, prio);
836
837 node = get_node(ctx->xml, prp, "Country");
838 if (node) {
839 country_buf = xml_node_get_text(ctx->xml, node);
840 if (country_buf == NULL)
841 return;
842 country = country_buf;
843 wpa_printf(MSG_INFO, "- Policy/PreferredRoamingPartnerList/<X+>/Country = %s",
844 country);
845 } else {
846 country = "*";
847 }
848
849 node = get_node(ctx->xml, prp, "FQDN_Match");
850 if (node == NULL)
851 goto out;
852 txt = xml_node_get_text(ctx->xml, node);
853 if (txt == NULL)
854 goto out;
855 wpa_printf(MSG_INFO, "- Policy/PreferredRoamingPartnerList/<X+>/FQDN_Match = %s",
856 txt);
857 pos = strrchr(txt, ',');
858 if (pos == NULL)
859 goto out;
860 *pos++ = '\0';
861
862 snprintf(val, sizeof(val), "%s,%d,%d,%s", txt,
863 strcmp(pos, "includeSubdomains") != 0, priority, country);
864 if (set_cred_quoted(ctx->ifname, id, "roaming_partner", val) < 0)
865 wpa_printf(MSG_INFO, "Failed to set cred roaming_partner");
866 out:
867 xml_node_get_text_free(ctx->xml, country_buf);
868 xml_node_get_text_free(ctx->xml, txt);
869 }
870
871
set_pps_cred_policy_prpl(struct hs20_osu_client * ctx,int id,xml_node_t * prpl)872 static void set_pps_cred_policy_prpl(struct hs20_osu_client *ctx, int id,
873 xml_node_t *prpl)
874 {
875 xml_node_t *child;
876
877 xml_node_for_each_child(ctx->xml, child, prpl) {
878 xml_node_for_each_check(ctx->xml, child);
879 set_pps_cred_policy_prp(ctx, id, child);
880 }
881 }
882
883
set_pps_cred_policy_min_backhaul(struct hs20_osu_client * ctx,int id,xml_node_t * min_backhaul)884 static void set_pps_cred_policy_min_backhaul(struct hs20_osu_client *ctx, int id,
885 xml_node_t *min_backhaul)
886 {
887 xml_node_t *node;
888 char *type, *dl = NULL, *ul = NULL;
889 int home;
890
891 node = get_node(ctx->xml, min_backhaul, "NetworkType");
892 if (node == NULL) {
893 wpa_printf(MSG_INFO, "Ignore MinBackhaulThreshold without mandatory NetworkType node");
894 return;
895 }
896
897 type = xml_node_get_text(ctx->xml, node);
898 if (type == NULL)
899 return;
900 wpa_printf(MSG_INFO, "- Policy/MinBackhaulThreshold/<X+>/NetworkType = %s",
901 type);
902 if (os_strcasecmp(type, "home") == 0)
903 home = 1;
904 else if (os_strcasecmp(type, "roaming") == 0)
905 home = 0;
906 else {
907 wpa_printf(MSG_INFO, "Ignore MinBackhaulThreshold with invalid NetworkType");
908 xml_node_get_text_free(ctx->xml, type);
909 return;
910 }
911 xml_node_get_text_free(ctx->xml, type);
912
913 node = get_node(ctx->xml, min_backhaul, "DLBandwidth");
914 if (node)
915 dl = xml_node_get_text(ctx->xml, node);
916
917 node = get_node(ctx->xml, min_backhaul, "ULBandwidth");
918 if (node)
919 ul = xml_node_get_text(ctx->xml, node);
920
921 if (dl == NULL && ul == NULL) {
922 wpa_printf(MSG_INFO, "Ignore MinBackhaulThreshold without either DLBandwidth or ULBandwidth nodes");
923 return;
924 }
925
926 if (dl)
927 wpa_printf(MSG_INFO, "- Policy/MinBackhaulThreshold/<X+>/DLBandwidth = %s",
928 dl);
929 if (ul)
930 wpa_printf(MSG_INFO, "- Policy/MinBackhaulThreshold/<X+>/ULBandwidth = %s",
931 ul);
932
933 if (home) {
934 if (dl &&
935 set_cred(ctx->ifname, id, "min_dl_bandwidth_home", dl) < 0)
936 wpa_printf(MSG_INFO, "Failed to set cred bandwidth limit");
937 if (ul &&
938 set_cred(ctx->ifname, id, "min_ul_bandwidth_home", ul) < 0)
939 wpa_printf(MSG_INFO, "Failed to set cred bandwidth limit");
940 } else {
941 if (dl &&
942 set_cred(ctx->ifname, id, "min_dl_bandwidth_roaming", dl) <
943 0)
944 wpa_printf(MSG_INFO, "Failed to set cred bandwidth limit");
945 if (ul &&
946 set_cred(ctx->ifname, id, "min_ul_bandwidth_roaming", ul) <
947 0)
948 wpa_printf(MSG_INFO, "Failed to set cred bandwidth limit");
949 }
950
951 xml_node_get_text_free(ctx->xml, dl);
952 xml_node_get_text_free(ctx->xml, ul);
953 }
954
955
set_pps_cred_policy_min_backhaul_list(struct hs20_osu_client * ctx,int id,xml_node_t * node)956 static void set_pps_cred_policy_min_backhaul_list(struct hs20_osu_client *ctx,
957 int id, xml_node_t *node)
958 {
959 xml_node_t *child;
960
961 wpa_printf(MSG_INFO, "- Policy/MinBackhaulThreshold");
962
963 xml_node_for_each_child(ctx->xml, child, node) {
964 xml_node_for_each_check(ctx->xml, child);
965 set_pps_cred_policy_min_backhaul(ctx, id, child);
966 }
967 }
968
969
set_pps_cred_policy_update(struct hs20_osu_client * ctx,int id,xml_node_t * node)970 static void set_pps_cred_policy_update(struct hs20_osu_client *ctx, int id,
971 xml_node_t *node)
972 {
973 wpa_printf(MSG_INFO, "- Policy/PolicyUpdate");
974 /* Not used in wpa_supplicant */
975 }
976
977
set_pps_cred_policy_required_proto_port(struct hs20_osu_client * ctx,int id,xml_node_t * tuple)978 static void set_pps_cred_policy_required_proto_port(struct hs20_osu_client *ctx,
979 int id, xml_node_t *tuple)
980 {
981 xml_node_t *node;
982 char *proto, *port;
983 char *buf;
984 size_t buflen;
985
986 node = get_node(ctx->xml, tuple, "IPProtocol");
987 if (node == NULL) {
988 wpa_printf(MSG_INFO, "Ignore RequiredProtoPortTuple without mandatory IPProtocol node");
989 return;
990 }
991
992 proto = xml_node_get_text(ctx->xml, node);
993 if (proto == NULL)
994 return;
995
996 wpa_printf(MSG_INFO, "- Policy/RequiredProtoPortTuple/<X+>/IPProtocol = %s",
997 proto);
998
999 node = get_node(ctx->xml, tuple, "PortNumber");
1000 port = node ? xml_node_get_text(ctx->xml, node) : NULL;
1001 if (port) {
1002 wpa_printf(MSG_INFO, "- Policy/RequiredProtoPortTuple/<X+>/PortNumber = %s",
1003 port);
1004 buflen = os_strlen(proto) + os_strlen(port) + 10;
1005 buf = os_malloc(buflen);
1006 if (buf)
1007 os_snprintf(buf, buflen, "%s:%s", proto, port);
1008 xml_node_get_text_free(ctx->xml, port);
1009 } else {
1010 buflen = os_strlen(proto) + 10;
1011 buf = os_malloc(buflen);
1012 if (buf)
1013 os_snprintf(buf, buflen, "%s", proto);
1014 }
1015
1016 xml_node_get_text_free(ctx->xml, proto);
1017
1018 if (buf == NULL)
1019 return;
1020
1021 if (set_cred(ctx->ifname, id, "req_conn_capab", buf) < 0)
1022 wpa_printf(MSG_INFO, "Could not set req_conn_capab");
1023
1024 os_free(buf);
1025 }
1026
1027
set_pps_cred_policy_required_proto_ports(struct hs20_osu_client * ctx,int id,xml_node_t * node)1028 static void set_pps_cred_policy_required_proto_ports(struct hs20_osu_client *ctx,
1029 int id, xml_node_t *node)
1030 {
1031 xml_node_t *child;
1032
1033 wpa_printf(MSG_INFO, "- Policy/RequiredProtoPortTuple");
1034
1035 xml_node_for_each_child(ctx->xml, child, node) {
1036 xml_node_for_each_check(ctx->xml, child);
1037 set_pps_cred_policy_required_proto_port(ctx, id, child);
1038 }
1039 }
1040
1041
set_pps_cred_policy_max_bss_load(struct hs20_osu_client * ctx,int id,xml_node_t * node)1042 static void set_pps_cred_policy_max_bss_load(struct hs20_osu_client *ctx, int id,
1043 xml_node_t *node)
1044 {
1045 char *str = xml_node_get_text(ctx->xml, node);
1046 if (str == NULL)
1047 return;
1048 wpa_printf(MSG_INFO, "- Policy/MaximumBSSLoadValue - %s", str);
1049 if (set_cred(ctx->ifname, id, "max_bss_load", str) < 0)
1050 wpa_printf(MSG_INFO, "Failed to set cred max_bss_load limit");
1051 xml_node_get_text_free(ctx->xml, str);
1052 }
1053
1054
set_pps_cred_policy(struct hs20_osu_client * ctx,int id,xml_node_t * node)1055 static void set_pps_cred_policy(struct hs20_osu_client *ctx, int id,
1056 xml_node_t *node)
1057 {
1058 xml_node_t *child;
1059 const char *name;
1060
1061 wpa_printf(MSG_INFO, "- Policy");
1062
1063 xml_node_for_each_child(ctx->xml, child, node) {
1064 xml_node_for_each_check(ctx->xml, child);
1065 name = xml_node_get_localname(ctx->xml, child);
1066 if (os_strcasecmp(name, "PreferredRoamingPartnerList") == 0)
1067 set_pps_cred_policy_prpl(ctx, id, child);
1068 else if (os_strcasecmp(name, "MinBackhaulThreshold") == 0)
1069 set_pps_cred_policy_min_backhaul_list(ctx, id, child);
1070 else if (os_strcasecmp(name, "PolicyUpdate") == 0)
1071 set_pps_cred_policy_update(ctx, id, child);
1072 else if (os_strcasecmp(name, "SPExclusionList") == 0)
1073 set_pps_cred_policy_spel(ctx, id, child);
1074 else if (os_strcasecmp(name, "RequiredProtoPortTuple") == 0)
1075 set_pps_cred_policy_required_proto_ports(ctx, id, child);
1076 else if (os_strcasecmp(name, "MaximumBSSLoadValue") == 0)
1077 set_pps_cred_policy_max_bss_load(ctx, id, child);
1078 else
1079 wpa_printf(MSG_INFO, "Unknown Policy node '%s'", name);
1080 }
1081 }
1082
1083
set_pps_cred_priority(struct hs20_osu_client * ctx,int id,xml_node_t * node)1084 static void set_pps_cred_priority(struct hs20_osu_client *ctx, int id,
1085 xml_node_t *node)
1086 {
1087 char *str = xml_node_get_text(ctx->xml, node);
1088 if (str == NULL)
1089 return;
1090 wpa_printf(MSG_INFO, "- CredentialPriority = %s", str);
1091 if (set_cred(ctx->ifname, id, "sp_priority", str) < 0)
1092 wpa_printf(MSG_INFO, "Failed to set cred sp_priority");
1093 xml_node_get_text_free(ctx->xml, str);
1094 }
1095
1096
set_pps_cred_aaa_server_trust_root(struct hs20_osu_client * ctx,int id,xml_node_t * node)1097 static void set_pps_cred_aaa_server_trust_root(struct hs20_osu_client *ctx,
1098 int id, xml_node_t *node)
1099 {
1100 wpa_printf(MSG_INFO, "- AAAServerTrustRoot - TODO");
1101 }
1102
1103
set_pps_cred_sub_update(struct hs20_osu_client * ctx,int id,xml_node_t * node)1104 static void set_pps_cred_sub_update(struct hs20_osu_client *ctx, int id,
1105 xml_node_t *node)
1106 {
1107 wpa_printf(MSG_INFO, "- SubscriptionUpdate");
1108 /* not used within wpa_supplicant */
1109 }
1110
1111
set_pps_cred_home_sp_network_id(struct hs20_osu_client * ctx,int id,xml_node_t * node)1112 static void set_pps_cred_home_sp_network_id(struct hs20_osu_client *ctx,
1113 int id, xml_node_t *node)
1114 {
1115 xml_node_t *ssid_node, *hessid_node;
1116 char *ssid, *hessid;
1117
1118 ssid_node = get_node(ctx->xml, node, "SSID");
1119 if (ssid_node == NULL) {
1120 wpa_printf(MSG_INFO, "Ignore HomeSP/NetworkID without mandatory SSID node");
1121 return;
1122 }
1123
1124 hessid_node = get_node(ctx->xml, node, "HESSID");
1125
1126 ssid = xml_node_get_text(ctx->xml, ssid_node);
1127 if (ssid == NULL)
1128 return;
1129 hessid = hessid_node ? xml_node_get_text(ctx->xml, hessid_node) : NULL;
1130
1131 wpa_printf(MSG_INFO, "- HomeSP/NetworkID/<X+>/SSID = %s", ssid);
1132 if (hessid)
1133 wpa_printf(MSG_INFO, "- HomeSP/NetworkID/<X+>/HESSID = %s",
1134 hessid);
1135
1136 /* TODO: Configure to wpa_supplicant */
1137
1138 xml_node_get_text_free(ctx->xml, ssid);
1139 xml_node_get_text_free(ctx->xml, hessid);
1140 }
1141
1142
set_pps_cred_home_sp_network_ids(struct hs20_osu_client * ctx,int id,xml_node_t * node)1143 static void set_pps_cred_home_sp_network_ids(struct hs20_osu_client *ctx,
1144 int id, xml_node_t *node)
1145 {
1146 xml_node_t *child;
1147
1148 wpa_printf(MSG_INFO, "- HomeSP/NetworkID");
1149
1150 xml_node_for_each_child(ctx->xml, child, node) {
1151 xml_node_for_each_check(ctx->xml, child);
1152 set_pps_cred_home_sp_network_id(ctx, id, child);
1153 }
1154 }
1155
1156
set_pps_cred_home_sp_friendly_name(struct hs20_osu_client * ctx,int id,xml_node_t * node)1157 static void set_pps_cred_home_sp_friendly_name(struct hs20_osu_client *ctx,
1158 int id, xml_node_t *node)
1159 {
1160 char *str = xml_node_get_text(ctx->xml, node);
1161 if (str == NULL)
1162 return;
1163 wpa_printf(MSG_INFO, "- HomeSP/FriendlyName = %s", str);
1164 /* not used within wpa_supplicant(?) */
1165 xml_node_get_text_free(ctx->xml, str);
1166 }
1167
1168
set_pps_cred_home_sp_icon_url(struct hs20_osu_client * ctx,int id,xml_node_t * node)1169 static void set_pps_cred_home_sp_icon_url(struct hs20_osu_client *ctx,
1170 int id, xml_node_t *node)
1171 {
1172 char *str = xml_node_get_text(ctx->xml, node);
1173 if (str == NULL)
1174 return;
1175 wpa_printf(MSG_INFO, "- HomeSP/IconURL = %s", str);
1176 /* not used within wpa_supplicant */
1177 xml_node_get_text_free(ctx->xml, str);
1178 }
1179
1180
set_pps_cred_home_sp_fqdn(struct hs20_osu_client * ctx,int id,xml_node_t * node)1181 static void set_pps_cred_home_sp_fqdn(struct hs20_osu_client *ctx, int id,
1182 xml_node_t *node)
1183 {
1184 char *str = xml_node_get_text(ctx->xml, node);
1185 if (str == NULL)
1186 return;
1187 wpa_printf(MSG_INFO, "- HomeSP/FQDN = %s", str);
1188 if (set_cred_quoted(ctx->ifname, id, "domain", str) < 0)
1189 wpa_printf(MSG_INFO, "Failed to set cred domain");
1190 if (set_cred_quoted(ctx->ifname, id, "domain_suffix_match", str) < 0)
1191 wpa_printf(MSG_INFO, "Failed to set cred domain_suffix_match");
1192 xml_node_get_text_free(ctx->xml, str);
1193 }
1194
1195
set_pps_cred_home_sp_oi(struct hs20_osu_client * ctx,int id,xml_node_t * node)1196 static void set_pps_cred_home_sp_oi(struct hs20_osu_client *ctx, int id,
1197 xml_node_t *node)
1198 {
1199 xml_node_t *child;
1200 const char *name;
1201 char *homeoi = NULL;
1202 int required = 0;
1203 char *str;
1204
1205 xml_node_for_each_child(ctx->xml, child, node) {
1206 xml_node_for_each_check(ctx->xml, child);
1207 name = xml_node_get_localname(ctx->xml, child);
1208 if (strcasecmp(name, "HomeOI") == 0 && !homeoi) {
1209 homeoi = xml_node_get_text(ctx->xml, child);
1210 wpa_printf(MSG_INFO, "- HomeSP/HomeOIList/<X+>/HomeOI = %s",
1211 homeoi);
1212 } else if (strcasecmp(name, "HomeOIRequired") == 0) {
1213 str = xml_node_get_text(ctx->xml, child);
1214 wpa_printf(MSG_INFO, "- HomeSP/HomeOIList/<X+>/HomeOIRequired = '%s'",
1215 str);
1216 if (str == NULL)
1217 continue;
1218 required = strcasecmp(str, "true") == 0;
1219 xml_node_get_text_free(ctx->xml, str);
1220 } else
1221 wpa_printf(MSG_INFO, "Unknown HomeOIList node '%s'",
1222 name);
1223 }
1224
1225 if (homeoi == NULL) {
1226 wpa_printf(MSG_INFO, "- HomeSP/HomeOIList/<X+> without HomeOI ignored");
1227 return;
1228 }
1229
1230 wpa_printf(MSG_INFO, "- HomeSP/HomeOIList/<X+> '%s' required=%d",
1231 homeoi, required);
1232
1233 if (required) {
1234 if (set_cred(ctx->ifname, id, "required_roaming_consortium",
1235 homeoi) < 0)
1236 wpa_printf(MSG_INFO, "Failed to set cred required_roaming_consortium");
1237 } else {
1238 if (set_cred(ctx->ifname, id, "roaming_consortium", homeoi) < 0)
1239 wpa_printf(MSG_INFO, "Failed to set cred roaming_consortium");
1240 }
1241
1242 xml_node_get_text_free(ctx->xml, homeoi);
1243 }
1244
1245
set_pps_cred_home_sp_oi_list(struct hs20_osu_client * ctx,int id,xml_node_t * node)1246 static void set_pps_cred_home_sp_oi_list(struct hs20_osu_client *ctx, int id,
1247 xml_node_t *node)
1248 {
1249 xml_node_t *child;
1250
1251 wpa_printf(MSG_INFO, "- HomeSP/HomeOIList");
1252
1253 xml_node_for_each_child(ctx->xml, child, node) {
1254 xml_node_for_each_check(ctx->xml, child);
1255 set_pps_cred_home_sp_oi(ctx, id, child);
1256 }
1257 }
1258
1259
set_pps_cred_home_sp_other_partner(struct hs20_osu_client * ctx,int id,xml_node_t * node)1260 static void set_pps_cred_home_sp_other_partner(struct hs20_osu_client *ctx,
1261 int id, xml_node_t *node)
1262 {
1263 xml_node_t *child;
1264 const char *name;
1265 char *fqdn = NULL;
1266
1267 xml_node_for_each_child(ctx->xml, child, node) {
1268 xml_node_for_each_check(ctx->xml, child);
1269 name = xml_node_get_localname(ctx->xml, child);
1270 if (os_strcasecmp(name, "FQDN") == 0 && !fqdn) {
1271 fqdn = xml_node_get_text(ctx->xml, child);
1272 wpa_printf(MSG_INFO, "- HomeSP/OtherHomePartners/<X+>/FQDN = %s",
1273 fqdn);
1274 } else
1275 wpa_printf(MSG_INFO, "Unknown OtherHomePartners node '%s'",
1276 name);
1277 }
1278
1279 if (fqdn == NULL) {
1280 wpa_printf(MSG_INFO, "- HomeSP/OtherHomePartners/<X+> without FQDN ignored");
1281 return;
1282 }
1283
1284 if (set_cred_quoted(ctx->ifname, id, "domain", fqdn) < 0)
1285 wpa_printf(MSG_INFO, "Failed to set cred domain for OtherHomePartners node");
1286
1287 xml_node_get_text_free(ctx->xml, fqdn);
1288 }
1289
1290
set_pps_cred_home_sp_other_partners(struct hs20_osu_client * ctx,int id,xml_node_t * node)1291 static void set_pps_cred_home_sp_other_partners(struct hs20_osu_client *ctx,
1292 int id,
1293 xml_node_t *node)
1294 {
1295 xml_node_t *child;
1296
1297 wpa_printf(MSG_INFO, "- HomeSP/OtherHomePartners");
1298
1299 xml_node_for_each_child(ctx->xml, child, node) {
1300 xml_node_for_each_check(ctx->xml, child);
1301 set_pps_cred_home_sp_other_partner(ctx, id, child);
1302 }
1303 }
1304
1305
set_pps_cred_home_sp_roaming_consortium_oi(struct hs20_osu_client * ctx,int id,xml_node_t * node)1306 static void set_pps_cred_home_sp_roaming_consortium_oi(
1307 struct hs20_osu_client *ctx, int id, xml_node_t *node)
1308 {
1309 char *str = xml_node_get_text(ctx->xml, node);
1310 if (str == NULL)
1311 return;
1312 wpa_printf(MSG_INFO, "- HomeSP/RoamingConsortiumOI = %s", str);
1313 if (set_cred_quoted(ctx->ifname, id, "roaming_consortiums",
1314 str) < 0)
1315 wpa_printf(MSG_INFO, "Failed to set cred roaming_consortiums");
1316 xml_node_get_text_free(ctx->xml, str);
1317 }
1318
1319
set_pps_cred_home_sp(struct hs20_osu_client * ctx,int id,xml_node_t * node)1320 static void set_pps_cred_home_sp(struct hs20_osu_client *ctx, int id,
1321 xml_node_t *node)
1322 {
1323 xml_node_t *child;
1324 const char *name;
1325
1326 wpa_printf(MSG_INFO, "- HomeSP");
1327
1328 xml_node_for_each_child(ctx->xml, child, node) {
1329 xml_node_for_each_check(ctx->xml, child);
1330 name = xml_node_get_localname(ctx->xml, child);
1331 if (os_strcasecmp(name, "NetworkID") == 0)
1332 set_pps_cred_home_sp_network_ids(ctx, id, child);
1333 else if (os_strcasecmp(name, "FriendlyName") == 0)
1334 set_pps_cred_home_sp_friendly_name(ctx, id, child);
1335 else if (os_strcasecmp(name, "IconURL") == 0)
1336 set_pps_cred_home_sp_icon_url(ctx, id, child);
1337 else if (os_strcasecmp(name, "FQDN") == 0)
1338 set_pps_cred_home_sp_fqdn(ctx, id, child);
1339 else if (os_strcasecmp(name, "HomeOIList") == 0)
1340 set_pps_cred_home_sp_oi_list(ctx, id, child);
1341 else if (os_strcasecmp(name, "OtherHomePartners") == 0)
1342 set_pps_cred_home_sp_other_partners(ctx, id, child);
1343 else if (os_strcasecmp(name, "RoamingConsortiumOI") == 0)
1344 set_pps_cred_home_sp_roaming_consortium_oi(ctx, id,
1345 child);
1346 else
1347 wpa_printf(MSG_INFO, "Unknown HomeSP node '%s'", name);
1348 }
1349 }
1350
1351
set_pps_cred_sub_params(struct hs20_osu_client * ctx,int id,xml_node_t * node)1352 static void set_pps_cred_sub_params(struct hs20_osu_client *ctx, int id,
1353 xml_node_t *node)
1354 {
1355 wpa_printf(MSG_INFO, "- SubscriptionParameters");
1356 /* not used within wpa_supplicant */
1357 }
1358
1359
set_pps_cred_creation_date(struct hs20_osu_client * ctx,int id,xml_node_t * node)1360 static void set_pps_cred_creation_date(struct hs20_osu_client *ctx, int id,
1361 xml_node_t *node)
1362 {
1363 char *str = xml_node_get_text(ctx->xml, node);
1364 if (str == NULL)
1365 return;
1366 wpa_printf(MSG_INFO, "- Credential/CreationDate = %s", str);
1367 /* not used within wpa_supplicant */
1368 xml_node_get_text_free(ctx->xml, str);
1369 }
1370
1371
set_pps_cred_expiration_date(struct hs20_osu_client * ctx,int id,xml_node_t * node)1372 static void set_pps_cred_expiration_date(struct hs20_osu_client *ctx, int id,
1373 xml_node_t *node)
1374 {
1375 char *str = xml_node_get_text(ctx->xml, node);
1376 if (str == NULL)
1377 return;
1378 wpa_printf(MSG_INFO, "- Credential/ExpirationDate = %s", str);
1379 /* not used within wpa_supplicant */
1380 xml_node_get_text_free(ctx->xml, str);
1381 }
1382
1383
set_pps_cred_username(struct hs20_osu_client * ctx,int id,xml_node_t * node)1384 static void set_pps_cred_username(struct hs20_osu_client *ctx, int id,
1385 xml_node_t *node)
1386 {
1387 char *str = xml_node_get_text(ctx->xml, node);
1388 if (str == NULL)
1389 return;
1390 wpa_printf(MSG_INFO, "- Credential/UsernamePassword/Username = %s",
1391 str);
1392 if (set_cred_quoted(ctx->ifname, id, "username", str) < 0)
1393 wpa_printf(MSG_INFO, "Failed to set cred username");
1394 xml_node_get_text_free(ctx->xml, str);
1395 }
1396
1397
set_pps_cred_password(struct hs20_osu_client * ctx,int id,xml_node_t * node)1398 static void set_pps_cred_password(struct hs20_osu_client *ctx, int id,
1399 xml_node_t *node)
1400 {
1401 int len, i;
1402 char *pw, *hex, *pos, *end;
1403
1404 pw = xml_node_get_base64_text(ctx->xml, node, &len);
1405 if (pw == NULL)
1406 return;
1407
1408 wpa_printf(MSG_INFO, "- Credential/UsernamePassword/Password = %s", pw);
1409
1410 hex = malloc(len * 2 + 1);
1411 if (hex == NULL) {
1412 free(pw);
1413 return;
1414 }
1415 end = hex + len * 2 + 1;
1416 pos = hex;
1417 for (i = 0; i < len; i++) {
1418 snprintf(pos, end - pos, "%02x", pw[i]);
1419 pos += 2;
1420 }
1421 free(pw);
1422
1423 if (set_cred(ctx->ifname, id, "password", hex) < 0)
1424 wpa_printf(MSG_INFO, "Failed to set cred password");
1425 free(hex);
1426 }
1427
1428
set_pps_cred_machine_managed(struct hs20_osu_client * ctx,int id,xml_node_t * node)1429 static void set_pps_cred_machine_managed(struct hs20_osu_client *ctx, int id,
1430 xml_node_t *node)
1431 {
1432 char *str = xml_node_get_text(ctx->xml, node);
1433 if (str == NULL)
1434 return;
1435 wpa_printf(MSG_INFO, "- Credential/UsernamePassword/MachineManaged = %s",
1436 str);
1437 /* not used within wpa_supplicant */
1438 xml_node_get_text_free(ctx->xml, str);
1439 }
1440
1441
set_pps_cred_soft_token_app(struct hs20_osu_client * ctx,int id,xml_node_t * node)1442 static void set_pps_cred_soft_token_app(struct hs20_osu_client *ctx, int id,
1443 xml_node_t *node)
1444 {
1445 char *str = xml_node_get_text(ctx->xml, node);
1446 if (str == NULL)
1447 return;
1448 wpa_printf(MSG_INFO, "- Credential/UsernamePassword/SoftTokenApp = %s",
1449 str);
1450 /* not used within wpa_supplicant */
1451 xml_node_get_text_free(ctx->xml, str);
1452 }
1453
1454
set_pps_cred_able_to_share(struct hs20_osu_client * ctx,int id,xml_node_t * node)1455 static void set_pps_cred_able_to_share(struct hs20_osu_client *ctx, int id,
1456 xml_node_t *node)
1457 {
1458 char *str = xml_node_get_text(ctx->xml, node);
1459 if (str == NULL)
1460 return;
1461 wpa_printf(MSG_INFO, "- Credential/UsernamePassword/AbleToShare = %s",
1462 str);
1463 /* not used within wpa_supplicant */
1464 xml_node_get_text_free(ctx->xml, str);
1465 }
1466
1467
set_pps_cred_eap_method_eap_type(struct hs20_osu_client * ctx,int id,xml_node_t * node)1468 static void set_pps_cred_eap_method_eap_type(struct hs20_osu_client *ctx,
1469 int id, xml_node_t *node)
1470 {
1471 char *str = xml_node_get_text(ctx->xml, node);
1472 int type;
1473 const char *eap_method = NULL;
1474
1475 if (!str)
1476 return;
1477 wpa_printf(MSG_INFO,
1478 "- Credential/UsernamePassword/EAPMethod/EAPType = %s", str);
1479 type = atoi(str);
1480 switch (type) {
1481 case EAP_TYPE_TLS:
1482 eap_method = "TLS";
1483 break;
1484 case EAP_TYPE_TTLS:
1485 eap_method = "TTLS";
1486 break;
1487 case EAP_TYPE_PEAP:
1488 eap_method = "PEAP";
1489 break;
1490 case EAP_TYPE_PWD:
1491 eap_method = "PWD";
1492 break;
1493 }
1494 xml_node_get_text_free(ctx->xml, str);
1495 if (!eap_method) {
1496 wpa_printf(MSG_INFO, "Unknown EAPType value");
1497 return;
1498 }
1499
1500 if (set_cred(ctx->ifname, id, "eap", eap_method) < 0)
1501 wpa_printf(MSG_INFO, "Failed to set cred eap");
1502 }
1503
1504
set_pps_cred_eap_method_inner_method(struct hs20_osu_client * ctx,int id,xml_node_t * node)1505 static void set_pps_cred_eap_method_inner_method(struct hs20_osu_client *ctx,
1506 int id, xml_node_t *node)
1507 {
1508 char *str = xml_node_get_text(ctx->xml, node);
1509 const char *phase2 = NULL;
1510
1511 if (!str)
1512 return;
1513 wpa_printf(MSG_INFO,
1514 "- Credential/UsernamePassword/EAPMethod/InnerMethod = %s",
1515 str);
1516 if (os_strcmp(str, "PAP") == 0)
1517 phase2 = "auth=PAP";
1518 else if (os_strcmp(str, "CHAP") == 0)
1519 phase2 = "auth=CHAP";
1520 else if (os_strcmp(str, "MS-CHAP") == 0)
1521 phase2 = "auth=MSCHAP";
1522 else if (os_strcmp(str, "MS-CHAP-V2") == 0)
1523 phase2 = "auth=MSCHAPV2";
1524 xml_node_get_text_free(ctx->xml, str);
1525 if (!phase2) {
1526 wpa_printf(MSG_INFO, "Unknown InnerMethod value");
1527 return;
1528 }
1529
1530 if (set_cred_quoted(ctx->ifname, id, "phase2", phase2) < 0)
1531 wpa_printf(MSG_INFO, "Failed to set cred phase2");
1532 }
1533
1534
set_pps_cred_eap_method(struct hs20_osu_client * ctx,int id,xml_node_t * node)1535 static void set_pps_cred_eap_method(struct hs20_osu_client *ctx, int id,
1536 xml_node_t *node)
1537 {
1538 xml_node_t *child;
1539 const char *name;
1540
1541 wpa_printf(MSG_INFO, "- Credential/UsernamePassword/EAPMethod");
1542
1543 xml_node_for_each_child(ctx->xml, child, node) {
1544 xml_node_for_each_check(ctx->xml, child);
1545 name = xml_node_get_localname(ctx->xml, child);
1546 if (os_strcasecmp(name, "EAPType") == 0)
1547 set_pps_cred_eap_method_eap_type(ctx, id, child);
1548 else if (os_strcasecmp(name, "InnerMethod") == 0)
1549 set_pps_cred_eap_method_inner_method(ctx, id, child);
1550 else
1551 wpa_printf(MSG_INFO, "Unknown Credential/UsernamePassword/EAPMethod node '%s'",
1552 name);
1553 }
1554 }
1555
1556
set_pps_cred_username_password(struct hs20_osu_client * ctx,int id,xml_node_t * node)1557 static void set_pps_cred_username_password(struct hs20_osu_client *ctx, int id,
1558 xml_node_t *node)
1559 {
1560 xml_node_t *child;
1561 const char *name;
1562
1563 wpa_printf(MSG_INFO, "- Credential/UsernamePassword");
1564
1565 xml_node_for_each_child(ctx->xml, child, node) {
1566 xml_node_for_each_check(ctx->xml, child);
1567 name = xml_node_get_localname(ctx->xml, child);
1568 if (os_strcasecmp(name, "Username") == 0)
1569 set_pps_cred_username(ctx, id, child);
1570 else if (os_strcasecmp(name, "Password") == 0)
1571 set_pps_cred_password(ctx, id, child);
1572 else if (os_strcasecmp(name, "MachineManaged") == 0)
1573 set_pps_cred_machine_managed(ctx, id, child);
1574 else if (os_strcasecmp(name, "SoftTokenApp") == 0)
1575 set_pps_cred_soft_token_app(ctx, id, child);
1576 else if (os_strcasecmp(name, "AbleToShare") == 0)
1577 set_pps_cred_able_to_share(ctx, id, child);
1578 else if (os_strcasecmp(name, "EAPMethod") == 0)
1579 set_pps_cred_eap_method(ctx, id, child);
1580 else
1581 wpa_printf(MSG_INFO, "Unknown Credential/UsernamePassword node '%s'",
1582 name);
1583 }
1584 }
1585
1586
set_pps_cred_digital_cert(struct hs20_osu_client * ctx,int id,xml_node_t * node,const char * fqdn)1587 static void set_pps_cred_digital_cert(struct hs20_osu_client *ctx, int id,
1588 xml_node_t *node, const char *fqdn)
1589 {
1590 char buf[200], dir[200];
1591
1592 wpa_printf(MSG_INFO, "- Credential/DigitalCertificate");
1593
1594 if (getcwd(dir, sizeof(dir)) == NULL)
1595 return;
1596
1597 /* TODO: could build username from Subject of Subject AltName */
1598 if (set_cred_quoted(ctx->ifname, id, "username", "cert") < 0) {
1599 wpa_printf(MSG_INFO, "Failed to set username");
1600 }
1601
1602 snprintf(buf, sizeof(buf), "%s/SP/%s/client-cert.pem", dir, fqdn);
1603 if (os_file_exists(buf)) {
1604 if (set_cred_quoted(ctx->ifname, id, "client_cert", buf) < 0) {
1605 wpa_printf(MSG_INFO, "Failed to set client_cert");
1606 }
1607 }
1608
1609 snprintf(buf, sizeof(buf), "%s/SP/%s/client-key.pem", dir, fqdn);
1610 if (os_file_exists(buf)) {
1611 if (set_cred_quoted(ctx->ifname, id, "private_key", buf) < 0) {
1612 wpa_printf(MSG_INFO, "Failed to set private_key");
1613 }
1614 }
1615 }
1616
1617
set_pps_cred_realm(struct hs20_osu_client * ctx,int id,xml_node_t * node,const char * fqdn,int sim)1618 static void set_pps_cred_realm(struct hs20_osu_client *ctx, int id,
1619 xml_node_t *node, const char *fqdn, int sim)
1620 {
1621 char *str = xml_node_get_text(ctx->xml, node);
1622 char buf[200], dir[200];
1623
1624 if (str == NULL)
1625 return;
1626
1627 wpa_printf(MSG_INFO, "- Credential/Realm = %s", str);
1628 if (set_cred_quoted(ctx->ifname, id, "realm", str) < 0)
1629 wpa_printf(MSG_INFO, "Failed to set cred realm");
1630 xml_node_get_text_free(ctx->xml, str);
1631
1632 if (sim)
1633 return;
1634
1635 if (getcwd(dir, sizeof(dir)) == NULL)
1636 return;
1637 snprintf(buf, sizeof(buf), "%s/SP/%s/aaa-ca.pem", dir, fqdn);
1638 if (os_file_exists(buf)) {
1639 if (set_cred_quoted(ctx->ifname, id, "ca_cert", buf) < 0) {
1640 wpa_printf(MSG_INFO, "Failed to set CA cert");
1641 }
1642 }
1643 }
1644
1645
set_pps_cred_check_aaa_cert_status(struct hs20_osu_client * ctx,int id,xml_node_t * node)1646 static void set_pps_cred_check_aaa_cert_status(struct hs20_osu_client *ctx,
1647 int id, xml_node_t *node)
1648 {
1649 char *str = xml_node_get_text(ctx->xml, node);
1650
1651 if (str == NULL)
1652 return;
1653
1654 wpa_printf(MSG_INFO, "- Credential/CheckAAAServerCertStatus = %s", str);
1655 if (os_strcasecmp(str, "true") == 0 &&
1656 set_cred(ctx->ifname, id, "ocsp", "2") < 0)
1657 wpa_printf(MSG_INFO, "Failed to set cred ocsp");
1658 xml_node_get_text_free(ctx->xml, str);
1659 }
1660
1661
set_pps_cred_sim(struct hs20_osu_client * ctx,int id,xml_node_t * sim,xml_node_t * realm)1662 static void set_pps_cred_sim(struct hs20_osu_client *ctx, int id,
1663 xml_node_t *sim, xml_node_t *realm)
1664 {
1665 xml_node_t *node;
1666 char *imsi, *eaptype, *str, buf[20];
1667 int type;
1668 int mnc_len = 3;
1669 size_t imsi_len;
1670
1671 node = get_node(ctx->xml, sim, "EAPType");
1672 if (node == NULL) {
1673 wpa_printf(MSG_INFO, "No SIM/EAPType node in credential");
1674 return;
1675 }
1676 eaptype = xml_node_get_text(ctx->xml, node);
1677 if (eaptype == NULL) {
1678 wpa_printf(MSG_INFO, "Could not extract SIM/EAPType");
1679 return;
1680 }
1681 wpa_printf(MSG_INFO, " - Credential/SIM/EAPType = %s", eaptype);
1682 type = atoi(eaptype);
1683 xml_node_get_text_free(ctx->xml, eaptype);
1684
1685 switch (type) {
1686 case EAP_TYPE_SIM:
1687 if (set_cred(ctx->ifname, id, "eap", "SIM") < 0)
1688 wpa_printf(MSG_INFO, "Could not set eap=SIM");
1689 break;
1690 case EAP_TYPE_AKA:
1691 if (set_cred(ctx->ifname, id, "eap", "AKA") < 0)
1692 wpa_printf(MSG_INFO, "Could not set eap=SIM");
1693 break;
1694 case EAP_TYPE_AKA_PRIME:
1695 if (set_cred(ctx->ifname, id, "eap", "AKA'") < 0)
1696 wpa_printf(MSG_INFO, "Could not set eap=SIM");
1697 break;
1698 default:
1699 wpa_printf(MSG_INFO, "Unsupported SIM/EAPType %d", type);
1700 return;
1701 }
1702
1703 node = get_node(ctx->xml, sim, "IMSI");
1704 if (node == NULL) {
1705 wpa_printf(MSG_INFO, "No SIM/IMSI node in credential");
1706 return;
1707 }
1708 imsi = xml_node_get_text(ctx->xml, node);
1709 if (imsi == NULL) {
1710 wpa_printf(MSG_INFO, "Could not extract SIM/IMSI");
1711 return;
1712 }
1713 wpa_printf(MSG_INFO, " - Credential/SIM/IMSI = %s", imsi);
1714 imsi_len = os_strlen(imsi);
1715 if (imsi_len < 7 || imsi_len + 2 > sizeof(buf)) {
1716 wpa_printf(MSG_INFO, "Invalid IMSI length");
1717 xml_node_get_text_free(ctx->xml, imsi);
1718 return;
1719 }
1720
1721 str = xml_node_get_text(ctx->xml, node);
1722 if (str) {
1723 char *pos;
1724 pos = os_strstr(str, "mnc");
1725 if (pos && os_strlen(pos) >= 6) {
1726 if (os_strncmp(imsi + 3, pos + 3, 3) == 0)
1727 mnc_len = 3;
1728 else if (os_strncmp(imsi + 3, pos + 4, 2) == 0)
1729 mnc_len = 2;
1730 }
1731 xml_node_get_text_free(ctx->xml, str);
1732 }
1733
1734 os_memcpy(buf, imsi, 3 + mnc_len);
1735 buf[3 + mnc_len] = '-';
1736 os_strlcpy(buf + 3 + mnc_len + 1, imsi + 3 + mnc_len,
1737 sizeof(buf) - 3 - mnc_len - 1);
1738
1739 xml_node_get_text_free(ctx->xml, imsi);
1740
1741 if (set_cred_quoted(ctx->ifname, id, "imsi", buf) < 0)
1742 wpa_printf(MSG_INFO, "Could not set IMSI");
1743
1744 if (set_cred_quoted(ctx->ifname, id, "milenage",
1745 "90dca4eda45b53cf0f12d7c9c3bc6a89:"
1746 "cb9cccc4b9258e6dca4760379fb82581:000000000123") <
1747 0)
1748 wpa_printf(MSG_INFO, "Could not set Milenage parameters");
1749 }
1750
1751
set_pps_cred_credential(struct hs20_osu_client * ctx,int id,xml_node_t * node,const char * fqdn)1752 static void set_pps_cred_credential(struct hs20_osu_client *ctx, int id,
1753 xml_node_t *node, const char *fqdn)
1754 {
1755 xml_node_t *child, *sim, *realm;
1756 const char *name;
1757
1758 wpa_printf(MSG_INFO, "- Credential");
1759
1760 sim = get_node(ctx->xml, node, "SIM");
1761 realm = get_node(ctx->xml, node, "Realm");
1762
1763 xml_node_for_each_child(ctx->xml, child, node) {
1764 xml_node_for_each_check(ctx->xml, child);
1765 name = xml_node_get_localname(ctx->xml, child);
1766 if (os_strcasecmp(name, "CreationDate") == 0)
1767 set_pps_cred_creation_date(ctx, id, child);
1768 else if (os_strcasecmp(name, "ExpirationDate") == 0)
1769 set_pps_cred_expiration_date(ctx, id, child);
1770 else if (os_strcasecmp(name, "UsernamePassword") == 0)
1771 set_pps_cred_username_password(ctx, id, child);
1772 else if (os_strcasecmp(name, "DigitalCertificate") == 0)
1773 set_pps_cred_digital_cert(ctx, id, child, fqdn);
1774 else if (os_strcasecmp(name, "Realm") == 0)
1775 set_pps_cred_realm(ctx, id, child, fqdn, sim != NULL);
1776 else if (os_strcasecmp(name, "CheckAAAServerCertStatus") == 0)
1777 set_pps_cred_check_aaa_cert_status(ctx, id, child);
1778 else if (os_strcasecmp(name, "SIM") == 0)
1779 set_pps_cred_sim(ctx, id, child, realm);
1780 else
1781 wpa_printf(MSG_INFO, "Unknown Credential node '%s'",
1782 name);
1783 }
1784 }
1785
1786
set_pps_credential(struct hs20_osu_client * ctx,int id,xml_node_t * cred,const char * fqdn)1787 static void set_pps_credential(struct hs20_osu_client *ctx, int id,
1788 xml_node_t *cred, const char *fqdn)
1789 {
1790 xml_node_t *child;
1791 const char *name;
1792
1793 xml_node_for_each_child(ctx->xml, child, cred) {
1794 xml_node_for_each_check(ctx->xml, child);
1795 name = xml_node_get_localname(ctx->xml, child);
1796 if (os_strcasecmp(name, "Policy") == 0)
1797 set_pps_cred_policy(ctx, id, child);
1798 else if (os_strcasecmp(name, "CredentialPriority") == 0)
1799 set_pps_cred_priority(ctx, id, child);
1800 else if (os_strcasecmp(name, "AAAServerTrustRoot") == 0)
1801 set_pps_cred_aaa_server_trust_root(ctx, id, child);
1802 else if (os_strcasecmp(name, "SubscriptionUpdate") == 0)
1803 set_pps_cred_sub_update(ctx, id, child);
1804 else if (os_strcasecmp(name, "HomeSP") == 0)
1805 set_pps_cred_home_sp(ctx, id, child);
1806 else if (os_strcasecmp(name, "SubscriptionParameters") == 0)
1807 set_pps_cred_sub_params(ctx, id, child);
1808 else if (os_strcasecmp(name, "Credential") == 0)
1809 set_pps_cred_credential(ctx, id, child, fqdn);
1810 else
1811 wpa_printf(MSG_INFO, "Unknown credential node '%s'",
1812 name);
1813 }
1814 }
1815
1816
set_pps(struct hs20_osu_client * ctx,xml_node_t * pps,const char * fqdn)1817 static void set_pps(struct hs20_osu_client *ctx, xml_node_t *pps,
1818 const char *fqdn)
1819 {
1820 xml_node_t *child;
1821 const char *name;
1822 int id;
1823 char *update_identifier = NULL;
1824
1825 /*
1826 * TODO: Could consider more complex mechanism that would remove
1827 * credentials only if there are changes in the information sent to
1828 * wpa_supplicant.
1829 */
1830 remove_sp_creds(ctx, fqdn);
1831
1832 xml_node_for_each_child(ctx->xml, child, pps) {
1833 xml_node_for_each_check(ctx->xml, child);
1834 name = xml_node_get_localname(ctx->xml, child);
1835 if (os_strcasecmp(name, "UpdateIdentifier") == 0) {
1836 update_identifier = xml_node_get_text(ctx->xml, child);
1837 if (update_identifier) {
1838 wpa_printf(MSG_INFO, "- UpdateIdentifier = %s",
1839 update_identifier);
1840 break;
1841 }
1842 }
1843 }
1844
1845 xml_node_for_each_child(ctx->xml, child, pps) {
1846 xml_node_for_each_check(ctx->xml, child);
1847 name = xml_node_get_localname(ctx->xml, child);
1848 if (os_strcasecmp(name, "UpdateIdentifier") == 0)
1849 continue;
1850 id = add_cred(ctx->ifname);
1851 if (id < 0) {
1852 wpa_printf(MSG_INFO, "Failed to add credential to wpa_supplicant");
1853 write_summary(ctx, "Failed to add credential to wpa_supplicant");
1854 break;
1855 }
1856 write_summary(ctx, "Add a credential to wpa_supplicant");
1857 if (update_identifier &&
1858 set_cred(ctx->ifname, id, "update_identifier",
1859 update_identifier) < 0)
1860 wpa_printf(MSG_INFO, "Failed to set update_identifier");
1861 if (set_cred_quoted(ctx->ifname, id, "provisioning_sp", fqdn) <
1862 0)
1863 wpa_printf(MSG_INFO, "Failed to set provisioning_sp");
1864 wpa_printf(MSG_INFO, "credential localname: '%s'", name);
1865 set_pps_credential(ctx, id, child, fqdn);
1866 ctx->pps_cred_set = 1;
1867 }
1868
1869 xml_node_get_text_free(ctx->xml, update_identifier);
1870 }
1871
1872
cmd_set_pps(struct hs20_osu_client * ctx,const char * pps_fname)1873 void cmd_set_pps(struct hs20_osu_client *ctx, const char *pps_fname)
1874 {
1875 xml_node_t *pps;
1876 const char *fqdn;
1877 char *fqdn_buf = NULL, *pos;
1878
1879 pps = node_from_file(ctx->xml, pps_fname);
1880 if (pps == NULL) {
1881 wpa_printf(MSG_INFO, "Could not read or parse '%s'", pps_fname);
1882 return;
1883 }
1884
1885 fqdn = os_strstr(pps_fname, "SP/");
1886 if (fqdn) {
1887 fqdn_buf = os_strdup(fqdn + 3);
1888 if (fqdn_buf == NULL)
1889 return;
1890 pos = os_strchr(fqdn_buf, '/');
1891 if (pos)
1892 *pos = '\0';
1893 fqdn = fqdn_buf;
1894 } else
1895 fqdn = "wi-fi.org";
1896
1897 wpa_printf(MSG_INFO, "Set PPS MO info to wpa_supplicant - SP FQDN %s",
1898 fqdn);
1899 set_pps(ctx, pps, fqdn);
1900
1901 os_free(fqdn_buf);
1902 xml_node_free(ctx->xml, pps);
1903 }
1904
1905
cmd_get_fqdn(struct hs20_osu_client * ctx,const char * pps_fname)1906 static int cmd_get_fqdn(struct hs20_osu_client *ctx, const char *pps_fname)
1907 {
1908 xml_node_t *pps, *node;
1909 char *fqdn = NULL;
1910
1911 pps = node_from_file(ctx->xml, pps_fname);
1912 if (pps == NULL) {
1913 wpa_printf(MSG_INFO, "Could not read or parse '%s'", pps_fname);
1914 return -1;
1915 }
1916
1917 node = get_child_node(ctx->xml, pps, "HomeSP/FQDN");
1918 if (node)
1919 fqdn = xml_node_get_text(ctx->xml, node);
1920
1921 xml_node_free(ctx->xml, pps);
1922
1923 if (fqdn) {
1924 FILE *f = fopen("pps-fqdn", "w");
1925 if (f) {
1926 fprintf(f, "%s", fqdn);
1927 fclose(f);
1928 }
1929 xml_node_get_text_free(ctx->xml, fqdn);
1930 return 0;
1931 }
1932
1933 xml_node_get_text_free(ctx->xml, fqdn);
1934 return -1;
1935 }
1936
1937
cmd_to_tnds(struct hs20_osu_client * ctx,const char * in_fname,const char * out_fname,const char * urn,int use_path)1938 static void cmd_to_tnds(struct hs20_osu_client *ctx, const char *in_fname,
1939 const char *out_fname, const char *urn, int use_path)
1940 {
1941 xml_node_t *mo, *node;
1942
1943 mo = node_from_file(ctx->xml, in_fname);
1944 if (mo == NULL) {
1945 wpa_printf(MSG_INFO, "Could not read or parse '%s'", in_fname);
1946 return;
1947 }
1948
1949 node = mo_to_tnds(ctx->xml, mo, use_path, urn, NULL);
1950 if (node) {
1951 node_to_file(ctx->xml, out_fname, node);
1952 xml_node_free(ctx->xml, node);
1953 }
1954
1955 xml_node_free(ctx->xml, mo);
1956 }
1957
1958
cmd_from_tnds(struct hs20_osu_client * ctx,const char * in_fname,const char * out_fname)1959 static void cmd_from_tnds(struct hs20_osu_client *ctx, const char *in_fname,
1960 const char *out_fname)
1961 {
1962 xml_node_t *tnds, *mo;
1963
1964 tnds = node_from_file(ctx->xml, in_fname);
1965 if (tnds == NULL) {
1966 wpa_printf(MSG_INFO, "Could not read or parse '%s'", in_fname);
1967 return;
1968 }
1969
1970 mo = tnds_to_mo(ctx->xml, tnds);
1971 if (mo) {
1972 node_to_file(ctx->xml, out_fname, mo);
1973 xml_node_free(ctx->xml, mo);
1974 }
1975
1976 xml_node_free(ctx->xml, tnds);
1977 }
1978
1979
1980 struct osu_icon {
1981 int id;
1982 char lang[4];
1983 char mime_type[256];
1984 char filename[256];
1985 };
1986
1987 struct osu_data {
1988 char bssid[20];
1989 char url[256];
1990 unsigned int methods;
1991 char osu_ssid[33];
1992 char osu_ssid2[33];
1993 char osu_nai[256];
1994 char osu_nai2[256];
1995 struct osu_lang_text friendly_name[MAX_OSU_VALS];
1996 size_t friendly_name_count;
1997 struct osu_lang_text serv_desc[MAX_OSU_VALS];
1998 size_t serv_desc_count;
1999 struct osu_icon icon[MAX_OSU_VALS];
2000 size_t icon_count;
2001 };
2002
2003
parse_osu_providers(const char * fname,size_t * count)2004 static struct osu_data * parse_osu_providers(const char *fname, size_t *count)
2005 {
2006 FILE *f;
2007 char buf[1000];
2008 struct osu_data *osu = NULL, *last = NULL;
2009 size_t osu_count = 0;
2010 char *pos, *end;
2011
2012 f = fopen(fname, "r");
2013 if (f == NULL) {
2014 wpa_printf(MSG_ERROR, "Could not open %s", fname);
2015 return NULL;
2016 }
2017
2018 while (fgets(buf, sizeof(buf), f)) {
2019 pos = strchr(buf, '\n');
2020 if (pos)
2021 *pos = '\0';
2022
2023 if (strncmp(buf, "OSU-PROVIDER ", 13) == 0) {
2024 last = realloc(osu, (osu_count + 1) * sizeof(*osu));
2025 if (last == NULL)
2026 break;
2027 osu = last;
2028 last = &osu[osu_count++];
2029 memset(last, 0, sizeof(*last));
2030 snprintf(last->bssid, sizeof(last->bssid), "%s",
2031 buf + 13);
2032 continue;
2033 }
2034 if (!last)
2035 continue;
2036
2037 if (strncmp(buf, "uri=", 4) == 0) {
2038 snprintf(last->url, sizeof(last->url), "%s", buf + 4);
2039 continue;
2040 }
2041
2042 if (strncmp(buf, "methods=", 8) == 0) {
2043 last->methods = strtol(buf + 8, NULL, 16);
2044 continue;
2045 }
2046
2047 if (strncmp(buf, "osu_ssid=", 9) == 0) {
2048 snprintf(last->osu_ssid, sizeof(last->osu_ssid),
2049 "%s", buf + 9);
2050 continue;
2051 }
2052
2053 if (strncmp(buf, "osu_ssid2=", 10) == 0) {
2054 snprintf(last->osu_ssid2, sizeof(last->osu_ssid2),
2055 "%s", buf + 10);
2056 continue;
2057 }
2058
2059 if (os_strncmp(buf, "osu_nai=", 8) == 0) {
2060 os_snprintf(last->osu_nai, sizeof(last->osu_nai),
2061 "%s", buf + 8);
2062 continue;
2063 }
2064
2065 if (os_strncmp(buf, "osu_nai2=", 9) == 0) {
2066 os_snprintf(last->osu_nai2, sizeof(last->osu_nai2),
2067 "%s", buf + 9);
2068 continue;
2069 }
2070
2071 if (strncmp(buf, "friendly_name=", 14) == 0) {
2072 struct osu_lang_text *txt;
2073 if (last->friendly_name_count == MAX_OSU_VALS)
2074 continue;
2075 pos = strchr(buf + 14, ':');
2076 if (pos == NULL)
2077 continue;
2078 *pos++ = '\0';
2079 txt = &last->friendly_name[last->friendly_name_count++];
2080 snprintf(txt->lang, sizeof(txt->lang), "%s", buf + 14);
2081 snprintf(txt->text, sizeof(txt->text), "%s", pos);
2082 }
2083
2084 if (strncmp(buf, "desc=", 5) == 0) {
2085 struct osu_lang_text *txt;
2086 if (last->serv_desc_count == MAX_OSU_VALS)
2087 continue;
2088 pos = strchr(buf + 5, ':');
2089 if (pos == NULL)
2090 continue;
2091 *pos++ = '\0';
2092 txt = &last->serv_desc[last->serv_desc_count++];
2093 snprintf(txt->lang, sizeof(txt->lang), "%s", buf + 5);
2094 snprintf(txt->text, sizeof(txt->text), "%s", pos);
2095 }
2096
2097 if (strncmp(buf, "icon=", 5) == 0) {
2098 struct osu_icon *icon;
2099 if (last->icon_count == MAX_OSU_VALS)
2100 continue;
2101 icon = &last->icon[last->icon_count++];
2102 icon->id = atoi(buf + 5);
2103 pos = strchr(buf, ':');
2104 if (pos == NULL)
2105 continue;
2106 pos = strchr(pos + 1, ':');
2107 if (pos == NULL)
2108 continue;
2109 pos = strchr(pos + 1, ':');
2110 if (pos == NULL)
2111 continue;
2112 pos++;
2113 end = strchr(pos, ':');
2114 if (!end)
2115 continue;
2116 *end = '\0';
2117 snprintf(icon->lang, sizeof(icon->lang), "%s", pos);
2118 pos = end + 1;
2119
2120 end = strchr(pos, ':');
2121 if (end)
2122 *end = '\0';
2123 snprintf(icon->mime_type, sizeof(icon->mime_type),
2124 "%s", pos);
2125 if (!pos)
2126 continue;
2127 pos = end + 1;
2128
2129 end = strchr(pos, ':');
2130 if (end)
2131 *end = '\0';
2132 snprintf(icon->filename, sizeof(icon->filename),
2133 "%s", pos);
2134 continue;
2135 }
2136 }
2137
2138 fclose(f);
2139
2140 *count = osu_count;
2141 return osu;
2142 }
2143
2144
osu_connect(struct hs20_osu_client * ctx,const char * bssid,const char * ssid,const char * ssid2,const char * url,unsigned int methods,int no_prod_assoc,const char * osu_nai,const char * osu_nai2)2145 static int osu_connect(struct hs20_osu_client *ctx, const char *bssid,
2146 const char *ssid, const char *ssid2, const char *url,
2147 unsigned int methods, int no_prod_assoc,
2148 const char *osu_nai, const char *osu_nai2)
2149 {
2150 int id;
2151 const char *ifname = ctx->ifname;
2152 char buf[200];
2153 struct wpa_ctrl *mon;
2154 int res;
2155
2156 if (ssid2 && ssid2[0] == '\0')
2157 ssid2 = NULL;
2158
2159 if (ctx->osu_ssid) {
2160 if (os_strcmp(ssid, ctx->osu_ssid) == 0) {
2161 wpa_printf(MSG_DEBUG,
2162 "Enforced OSU SSID matches ANQP info");
2163 ssid2 = NULL;
2164 } else if (ssid2 && os_strcmp(ssid2, ctx->osu_ssid) == 0) {
2165 wpa_printf(MSG_DEBUG,
2166 "Enforced OSU SSID matches RSN[OSEN] info");
2167 ssid = ssid2;
2168 } else {
2169 wpa_printf(MSG_INFO, "Enforced OSU SSID did not match");
2170 write_summary(ctx, "Enforced OSU SSID did not match");
2171 return -1;
2172 }
2173 }
2174
2175 id = add_network(ifname);
2176 if (id < 0)
2177 return -1;
2178 if (set_network_quoted(ifname, id, "ssid", ssid) < 0)
2179 return -1;
2180 if (ssid2)
2181 osu_nai = osu_nai2;
2182 if (osu_nai && os_strlen(osu_nai) > 0) {
2183 char dir[255], fname[300];
2184 if (getcwd(dir, sizeof(dir)) == NULL)
2185 return -1;
2186 os_snprintf(fname, sizeof(fname), "%s/osu-ca.pem", dir);
2187
2188 if (ssid2 && set_network_quoted(ifname, id, "ssid", ssid2) < 0)
2189 return -1;
2190
2191 if (set_network(ifname, id, "proto", "OSEN") < 0 ||
2192 set_network(ifname, id, "key_mgmt", "OSEN") < 0 ||
2193 set_network(ifname, id, "pairwise", "CCMP") < 0 ||
2194 set_network(ifname, id, "group", "GTK_NOT_USED CCMP") < 0 ||
2195 set_network(ifname, id, "eap", "WFA-UNAUTH-TLS") < 0 ||
2196 set_network(ifname, id, "ocsp", "2") < 0 ||
2197 set_network_quoted(ifname, id, "identity", osu_nai) < 0 ||
2198 set_network_quoted(ifname, id, "ca_cert", fname) < 0)
2199 return -1;
2200 } else if (ssid2) {
2201 wpa_printf(MSG_INFO, "No OSU_NAI set for RSN[OSEN]");
2202 write_summary(ctx, "No OSU_NAI set for RSN[OSEN]");
2203 return -1;
2204 } else {
2205 if (set_network(ifname, id, "key_mgmt", "NONE") < 0)
2206 return -1;
2207 }
2208
2209 mon = open_wpa_mon(ifname);
2210 if (mon == NULL)
2211 return -1;
2212
2213 wpa_printf(MSG_INFO, "Associate with OSU SSID");
2214 write_summary(ctx, "Associate with OSU SSID");
2215 snprintf(buf, sizeof(buf), "SELECT_NETWORK %d", id);
2216 if (wpa_command(ifname, buf) < 0)
2217 return -1;
2218
2219 res = get_wpa_cli_event(mon, "CTRL-EVENT-CONNECTED",
2220 buf, sizeof(buf));
2221
2222 wpa_ctrl_detach(mon);
2223 wpa_ctrl_close(mon);
2224
2225 if (res < 0) {
2226 wpa_printf(MSG_INFO, "Could not connect");
2227 write_summary(ctx, "Could not connect to OSU network");
2228 wpa_printf(MSG_INFO, "Remove OSU network connection");
2229 snprintf(buf, sizeof(buf), "REMOVE_NETWORK %d", id);
2230 wpa_command(ifname, buf);
2231 return -1;
2232 }
2233
2234 write_summary(ctx, "Waiting for IP address for subscription registration");
2235 if (wait_ip_addr(ifname, 15) < 0) {
2236 wpa_printf(MSG_INFO, "Could not get IP address for WLAN - try connection anyway");
2237 }
2238
2239 if (no_prod_assoc) {
2240 if (res < 0)
2241 return -1;
2242 wpa_printf(MSG_INFO, "No production connection used for testing purposes");
2243 write_summary(ctx, "No production connection used for testing purposes");
2244 return 0;
2245 }
2246
2247 ctx->no_reconnect = 1;
2248 if (methods & 0x02) {
2249 wpa_printf(MSG_DEBUG, "Calling cmd_prov from osu_connect");
2250 res = cmd_prov(ctx, url);
2251 } else if (methods & 0x01) {
2252 wpa_printf(MSG_DEBUG,
2253 "Calling cmd_oma_dm_prov from osu_connect");
2254 res = cmd_oma_dm_prov(ctx, url);
2255 }
2256
2257 wpa_printf(MSG_INFO, "Remove OSU network connection");
2258 write_summary(ctx, "Remove OSU network connection");
2259 snprintf(buf, sizeof(buf), "REMOVE_NETWORK %d", id);
2260 wpa_command(ifname, buf);
2261
2262 if (res < 0)
2263 return -1;
2264
2265 wpa_printf(MSG_INFO, "Requesting reconnection with updated configuration");
2266 write_summary(ctx, "Requesting reconnection with updated configuration");
2267 if (wpa_command(ctx->ifname, "INTERWORKING_SELECT auto") < 0) {
2268 wpa_printf(MSG_INFO, "Failed to request wpa_supplicant to reconnect");
2269 write_summary(ctx, "Failed to request wpa_supplicant to reconnect");
2270 return -1;
2271 }
2272
2273 return 0;
2274 }
2275
2276
cmd_osu_select(struct hs20_osu_client * ctx,const char * dir,int connect,int no_prod_assoc,const char * friendly_name)2277 static int cmd_osu_select(struct hs20_osu_client *ctx, const char *dir,
2278 int connect, int no_prod_assoc,
2279 const char *friendly_name)
2280 {
2281 char fname[255];
2282 FILE *f;
2283 struct osu_data *osu = NULL, *last = NULL;
2284 size_t osu_count = 0, i, j;
2285 int ret;
2286
2287 write_summary(ctx, "OSU provider selection");
2288
2289 if (dir == NULL) {
2290 wpa_printf(MSG_INFO, "Missing dir parameter to osu_select");
2291 return -1;
2292 }
2293
2294 snprintf(fname, sizeof(fname), "%s/osu-providers.txt", dir);
2295 osu = parse_osu_providers(fname, &osu_count);
2296 if (osu == NULL) {
2297 wpa_printf(MSG_INFO, "Could not find any OSU providers from %s",
2298 fname);
2299 write_result(ctx, "No OSU providers available");
2300 return -1;
2301 }
2302
2303 if (friendly_name) {
2304 for (i = 0; i < osu_count; i++) {
2305 last = &osu[i];
2306 for (j = 0; j < last->friendly_name_count; j++) {
2307 if (os_strcmp(last->friendly_name[j].text,
2308 friendly_name) == 0)
2309 break;
2310 }
2311 if (j < last->friendly_name_count)
2312 break;
2313 }
2314 if (i == osu_count) {
2315 wpa_printf(MSG_INFO, "Requested operator friendly name '%s' not found in the list of available providers",
2316 friendly_name);
2317 write_summary(ctx, "Requested operator friendly name '%s' not found in the list of available providers",
2318 friendly_name);
2319 free(osu);
2320 return -1;
2321 }
2322
2323 wpa_printf(MSG_INFO, "OSU Provider selected based on requested operator friendly name '%s'",
2324 friendly_name);
2325 write_summary(ctx, "OSU Provider selected based on requested operator friendly name '%s'",
2326 friendly_name);
2327 ret = i + 1;
2328 goto selected;
2329 }
2330
2331 snprintf(fname, sizeof(fname), "%s/osu-providers.html", dir);
2332 f = fopen(fname, "w");
2333 if (f == NULL) {
2334 wpa_printf(MSG_INFO, "Could not open %s", fname);
2335 free(osu);
2336 return -1;
2337 }
2338
2339 fprintf(f, "<html><head>"
2340 "<meta http-equiv=\"Content-type\" content=\"text/html; "
2341 "charset=utf-8\"<title>Select service operator</title>"
2342 "</head><body><h1>Select service operator</h1>\n");
2343
2344 if (osu_count == 0)
2345 fprintf(f, "No online signup available\n");
2346
2347 for (i = 0; i < osu_count; i++) {
2348 last = &osu[i];
2349 #ifdef ANDROID
2350 fprintf(f, "<p>\n"
2351 "<a href=\"http://localhost:12345/osu/%d\">"
2352 "<table><tr><td>", (int) i + 1);
2353 #else /* ANDROID */
2354 fprintf(f, "<p>\n"
2355 "<a href=\"osu://%d\">"
2356 "<table><tr><td>", (int) i + 1);
2357 #endif /* ANDROID */
2358 for (j = 0; j < last->icon_count; j++) {
2359 fprintf(f, "<img src=\"osu-icon-%d.%s\">\n",
2360 last->icon[j].id,
2361 strcasecmp(last->icon[j].mime_type,
2362 "image/png") == 0 ? "png" : "icon");
2363 }
2364 fprintf(f, "<td>");
2365 for (j = 0; j < last->friendly_name_count; j++) {
2366 fprintf(f, "<small>[%s]</small> %s<br>\n",
2367 last->friendly_name[j].lang,
2368 last->friendly_name[j].text);
2369 }
2370 fprintf(f, "<tr><td colspan=2>");
2371 for (j = 0; j < last->serv_desc_count; j++) {
2372 fprintf(f, "<small>[%s]</small> %s<br>\n",
2373 last->serv_desc[j].lang,
2374 last->serv_desc[j].text);
2375 }
2376 fprintf(f, "</table></a><br><small>BSSID: %s<br>\n"
2377 "SSID: %s<br>\n",
2378 last->bssid, last->osu_ssid);
2379 if (last->osu_ssid2[0])
2380 fprintf(f, "SSID2: %s<br>\n", last->osu_ssid2);
2381 if (last->osu_nai[0])
2382 fprintf(f, "NAI: %s<br>\n", last->osu_nai);
2383 if (last->osu_nai2[0])
2384 fprintf(f, "NAI2: %s<br>\n", last->osu_nai2);
2385 fprintf(f, "URL: %s<br>\n"
2386 "methods:%s%s<br>\n"
2387 "</small></p>\n",
2388 last->url,
2389 last->methods & 0x01 ? " OMA-DM" : "",
2390 last->methods & 0x02 ? " SOAP-XML-SPP" : "");
2391 }
2392
2393 fprintf(f, "</body></html>\n");
2394
2395 fclose(f);
2396
2397 snprintf(fname, sizeof(fname), "file://%s/osu-providers.html", dir);
2398 write_summary(ctx, "Start web browser with OSU provider selection page");
2399 ret = hs20_web_browser(fname);
2400
2401 selected:
2402 if (ret > 0 && (size_t) ret <= osu_count) {
2403 char *data;
2404 size_t data_len;
2405
2406 wpa_printf(MSG_INFO, "Selected OSU id=%d", ret);
2407 last = &osu[ret - 1];
2408 ret = 0;
2409 wpa_printf(MSG_INFO, "BSSID: %s", last->bssid);
2410 wpa_printf(MSG_INFO, "SSID: %s", last->osu_ssid);
2411 if (last->osu_ssid2[0])
2412 wpa_printf(MSG_INFO, "SSID2: %s", last->osu_ssid2);
2413 wpa_printf(MSG_INFO, "URL: %s", last->url);
2414 write_summary(ctx, "Selected OSU provider id=%d BSSID=%s SSID=%s URL=%s",
2415 ret, last->bssid, last->osu_ssid, last->url);
2416
2417 ctx->friendly_name_count = last->friendly_name_count;
2418 for (j = 0; j < last->friendly_name_count; j++) {
2419 wpa_printf(MSG_INFO, "FRIENDLY_NAME: [%s]%s",
2420 last->friendly_name[j].lang,
2421 last->friendly_name[j].text);
2422 os_strlcpy(ctx->friendly_name[j].lang,
2423 last->friendly_name[j].lang,
2424 sizeof(ctx->friendly_name[j].lang));
2425 os_strlcpy(ctx->friendly_name[j].text,
2426 last->friendly_name[j].text,
2427 sizeof(ctx->friendly_name[j].text));
2428 }
2429
2430 ctx->icon_count = last->icon_count;
2431 for (j = 0; j < last->icon_count; j++) {
2432 char fname[256];
2433
2434 os_snprintf(fname, sizeof(fname), "%s/osu-icon-%d.%s",
2435 dir, last->icon[j].id,
2436 strcasecmp(last->icon[j].mime_type,
2437 "image/png") == 0 ?
2438 "png" : "icon");
2439 wpa_printf(MSG_INFO, "ICON: %s (%s)",
2440 fname, last->icon[j].filename);
2441 os_strlcpy(ctx->icon_filename[j],
2442 last->icon[j].filename,
2443 sizeof(ctx->icon_filename[j]));
2444
2445 data = os_readfile(fname, &data_len);
2446 if (data) {
2447 sha256_vector(1, (const u8 **) &data, &data_len,
2448 ctx->icon_hash[j]);
2449 os_free(data);
2450 }
2451 }
2452
2453 if (connect == 2) {
2454 if (last->methods & 0x02) {
2455 wpa_printf(MSG_DEBUG,
2456 "Calling cmd_prov from cmd_osu_select");
2457 ret = cmd_prov(ctx, last->url);
2458 } else if (last->methods & 0x01) {
2459 wpa_printf(MSG_DEBUG,
2460 "Calling cmd_oma_dm_prov from cmd_osu_select");
2461 ret = cmd_oma_dm_prov(ctx, last->url);
2462 } else {
2463 wpa_printf(MSG_DEBUG,
2464 "No supported OSU provisioning method");
2465 ret = -1;
2466 }
2467 } else if (connect) {
2468 ret = osu_connect(ctx, last->bssid, last->osu_ssid,
2469 last->osu_ssid2,
2470 last->url, last->methods,
2471 no_prod_assoc, last->osu_nai,
2472 last->osu_nai2);
2473 }
2474 } else
2475 ret = -1;
2476
2477 free(osu);
2478
2479 return ret;
2480 }
2481
2482
cmd_signup(struct hs20_osu_client * ctx,int no_prod_assoc,const char * friendly_name)2483 static int cmd_signup(struct hs20_osu_client *ctx, int no_prod_assoc,
2484 const char *friendly_name)
2485 {
2486 char dir[255];
2487 char fname[300], buf[400];
2488 struct wpa_ctrl *mon;
2489 const char *ifname;
2490 int res;
2491
2492 ifname = ctx->ifname;
2493
2494 if (getcwd(dir, sizeof(dir)) == NULL)
2495 return -1;
2496
2497 snprintf(fname, sizeof(fname), "%s/osu-info", dir);
2498 if (mkdir(fname, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) < 0 &&
2499 errno != EEXIST) {
2500 wpa_printf(MSG_INFO, "mkdir(%s) failed: %s",
2501 fname, strerror(errno));
2502 return -1;
2503 }
2504
2505 android_update_permission(fname, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
2506
2507 snprintf(buf, sizeof(buf), "SET osu_dir %s", fname);
2508 if (wpa_command(ifname, buf) < 0) {
2509 wpa_printf(MSG_INFO, "Failed to configure osu_dir to wpa_supplicant");
2510 return -1;
2511 }
2512
2513 mon = open_wpa_mon(ifname);
2514 if (mon == NULL)
2515 return -1;
2516
2517 wpa_printf(MSG_INFO, "Starting OSU fetch");
2518 write_summary(ctx, "Starting OSU provider information fetch");
2519 if (wpa_command(ifname, "FETCH_OSU") < 0) {
2520 wpa_printf(MSG_INFO, "Could not start OSU fetch");
2521 wpa_ctrl_detach(mon);
2522 wpa_ctrl_close(mon);
2523 return -1;
2524 }
2525 res = get_wpa_cli_event(mon, "OSU provider fetch completed",
2526 buf, sizeof(buf));
2527
2528 wpa_ctrl_detach(mon);
2529 wpa_ctrl_close(mon);
2530
2531 if (res < 0) {
2532 wpa_printf(MSG_INFO, "OSU fetch did not complete");
2533 write_summary(ctx, "OSU fetch did not complete");
2534 return -1;
2535 }
2536 wpa_printf(MSG_INFO, "OSU provider fetch completed");
2537
2538 return cmd_osu_select(ctx, fname, 1, no_prod_assoc, friendly_name);
2539 }
2540
2541
cmd_sub_rem(struct hs20_osu_client * ctx,const char * address,const char * pps_fname,const char * ca_fname)2542 static int cmd_sub_rem(struct hs20_osu_client *ctx, const char *address,
2543 const char *pps_fname, const char *ca_fname)
2544 {
2545 xml_node_t *pps, *node;
2546 char pps_fname_buf[300];
2547 char ca_fname_buf[200];
2548 char *cred_username = NULL;
2549 char *cred_password = NULL;
2550 char *sub_rem_uri = NULL;
2551 char client_cert_buf[200];
2552 char *client_cert = NULL;
2553 char client_key_buf[200];
2554 char *client_key = NULL;
2555 int spp;
2556
2557 wpa_printf(MSG_INFO, "Subscription remediation requested with Server URL: %s",
2558 address);
2559
2560 if (!pps_fname) {
2561 char buf[256];
2562 wpa_printf(MSG_INFO, "Determining PPS file based on Home SP information");
2563 if (os_strncmp(address, "fqdn=", 5) == 0) {
2564 wpa_printf(MSG_INFO, "Use requested FQDN from command line");
2565 os_snprintf(buf, sizeof(buf), "%s", address + 5);
2566 address = NULL;
2567 } else if (get_wpa_status(ctx->ifname, "provisioning_sp", buf,
2568 sizeof(buf)) < 0) {
2569 wpa_printf(MSG_INFO, "Could not get provisioning Home SP FQDN from wpa_supplicant");
2570 return -1;
2571 }
2572 os_free(ctx->fqdn);
2573 ctx->fqdn = os_strdup(buf);
2574 if (ctx->fqdn == NULL)
2575 return -1;
2576 wpa_printf(MSG_INFO, "Home SP FQDN for current credential: %s",
2577 buf);
2578 os_snprintf(pps_fname_buf, sizeof(pps_fname_buf),
2579 "SP/%s/pps.xml", ctx->fqdn);
2580 pps_fname = pps_fname_buf;
2581
2582 os_snprintf(ca_fname_buf, sizeof(ca_fname_buf), "SP/%s/ca.pem",
2583 ctx->fqdn);
2584 ca_fname = ca_fname_buf;
2585 }
2586
2587 if (!os_file_exists(pps_fname)) {
2588 wpa_printf(MSG_INFO, "PPS file '%s' does not exist or is not accessible",
2589 pps_fname);
2590 return -1;
2591 }
2592 wpa_printf(MSG_INFO, "Using PPS file: %s", pps_fname);
2593
2594 if (ca_fname && !os_file_exists(ca_fname)) {
2595 wpa_printf(MSG_INFO, "CA file '%s' does not exist or is not accessible",
2596 ca_fname);
2597 return -1;
2598 }
2599 wpa_printf(MSG_INFO, "Using server trust root: %s", ca_fname);
2600 ctx->ca_fname = ca_fname;
2601
2602 pps = node_from_file(ctx->xml, pps_fname);
2603 if (pps == NULL) {
2604 wpa_printf(MSG_INFO, "Could not read PPS MO");
2605 return -1;
2606 }
2607
2608 if (!ctx->fqdn) {
2609 char *tmp;
2610 node = get_child_node(ctx->xml, pps, "HomeSP/FQDN");
2611 if (node == NULL) {
2612 wpa_printf(MSG_INFO, "No HomeSP/FQDN found from PPS");
2613 return -1;
2614 }
2615 tmp = xml_node_get_text(ctx->xml, node);
2616 if (tmp == NULL) {
2617 wpa_printf(MSG_INFO, "No HomeSP/FQDN text found from PPS");
2618 return -1;
2619 }
2620 ctx->fqdn = os_strdup(tmp);
2621 xml_node_get_text_free(ctx->xml, tmp);
2622 if (!ctx->fqdn) {
2623 wpa_printf(MSG_INFO, "No FQDN known");
2624 return -1;
2625 }
2626 }
2627
2628 node = get_child_node(ctx->xml, pps,
2629 "SubscriptionUpdate/UpdateMethod");
2630 if (node) {
2631 char *tmp;
2632 tmp = xml_node_get_text(ctx->xml, node);
2633 if (tmp && os_strcasecmp(tmp, "OMA-DM-ClientInitiated") == 0)
2634 spp = 0;
2635 else
2636 spp = 1;
2637 } else {
2638 wpa_printf(MSG_INFO, "No UpdateMethod specified - assume SPP");
2639 spp = 1;
2640 }
2641
2642 get_user_pw(ctx, pps, "SubscriptionUpdate/UsernamePassword",
2643 &cred_username, &cred_password);
2644 if (cred_username)
2645 wpa_printf(MSG_INFO, "Using username: %s", cred_username);
2646 if (cred_password)
2647 wpa_printf(MSG_DEBUG, "Using password: %s", cred_password);
2648
2649 if (cred_username == NULL && cred_password == NULL &&
2650 get_child_node(ctx->xml, pps, "Credential/DigitalCertificate")) {
2651 wpa_printf(MSG_INFO, "Using client certificate");
2652 os_snprintf(client_cert_buf, sizeof(client_cert_buf),
2653 "SP/%s/client-cert.pem", ctx->fqdn);
2654 client_cert = client_cert_buf;
2655 os_snprintf(client_key_buf, sizeof(client_key_buf),
2656 "SP/%s/client-key.pem", ctx->fqdn);
2657 client_key = client_key_buf;
2658 ctx->client_cert_present = 1;
2659 }
2660
2661 node = get_child_node(ctx->xml, pps, "SubscriptionUpdate/URI");
2662 if (node) {
2663 sub_rem_uri = xml_node_get_text(ctx->xml, node);
2664 if (sub_rem_uri &&
2665 (!address || os_strcmp(address, sub_rem_uri) != 0)) {
2666 wpa_printf(MSG_INFO, "Override sub rem URI based on PPS: %s",
2667 sub_rem_uri);
2668 address = sub_rem_uri;
2669 }
2670 }
2671 if (!address) {
2672 wpa_printf(MSG_INFO, "Server URL not known");
2673 return -1;
2674 }
2675
2676 write_summary(ctx, "Wait for IP address for subscriptiom remediation");
2677 wpa_printf(MSG_INFO, "Wait for IP address before starting subscription remediation");
2678
2679 if (wait_ip_addr(ctx->ifname, 15) < 0) {
2680 wpa_printf(MSG_INFO, "Could not get IP address for WLAN - try connection anyway");
2681 }
2682
2683 if (spp)
2684 spp_sub_rem(ctx, address, pps_fname,
2685 client_cert, client_key,
2686 cred_username, cred_password, pps);
2687 else
2688 oma_dm_sub_rem(ctx, address, pps_fname,
2689 client_cert, client_key,
2690 cred_username, cred_password, pps);
2691
2692 xml_node_get_text_free(ctx->xml, sub_rem_uri);
2693 xml_node_get_text_free(ctx->xml, cred_username);
2694 str_clear_free(cred_password);
2695 xml_node_free(ctx->xml, pps);
2696 return 0;
2697 }
2698
2699
cmd_pol_upd(struct hs20_osu_client * ctx,const char * address,const char * pps_fname,const char * ca_fname)2700 static int cmd_pol_upd(struct hs20_osu_client *ctx, const char *address,
2701 const char *pps_fname, const char *ca_fname)
2702 {
2703 xml_node_t *pps;
2704 xml_node_t *node;
2705 char pps_fname_buf[300];
2706 char ca_fname_buf[200];
2707 char *uri = NULL;
2708 char *cred_username = NULL;
2709 char *cred_password = NULL;
2710 char client_cert_buf[200];
2711 char *client_cert = NULL;
2712 char client_key_buf[200];
2713 char *client_key = NULL;
2714 int spp;
2715
2716 wpa_printf(MSG_INFO, "Policy update requested");
2717
2718 if (!pps_fname) {
2719 char buf[256];
2720 wpa_printf(MSG_INFO, "Determining PPS file based on Home SP information");
2721 if (address && os_strncmp(address, "fqdn=", 5) == 0) {
2722 wpa_printf(MSG_INFO, "Use requested FQDN from command line");
2723 os_snprintf(buf, sizeof(buf), "%s", address + 5);
2724 address = NULL;
2725 } else if (get_wpa_status(ctx->ifname, "provisioning_sp", buf,
2726 sizeof(buf)) < 0) {
2727 wpa_printf(MSG_INFO, "Could not get provisioning Home SP FQDN from wpa_supplicant");
2728 return -1;
2729 }
2730 os_free(ctx->fqdn);
2731 ctx->fqdn = os_strdup(buf);
2732 if (ctx->fqdn == NULL)
2733 return -1;
2734 wpa_printf(MSG_INFO, "Home SP FQDN for current credential: %s",
2735 buf);
2736 os_snprintf(pps_fname_buf, sizeof(pps_fname_buf),
2737 "SP/%s/pps.xml", ctx->fqdn);
2738 pps_fname = pps_fname_buf;
2739
2740 os_snprintf(ca_fname_buf, sizeof(ca_fname_buf), "SP/%s/ca.pem",
2741 buf);
2742 ca_fname = ca_fname_buf;
2743 }
2744
2745 if (!os_file_exists(pps_fname)) {
2746 wpa_printf(MSG_INFO, "PPS file '%s' does not exist or is not accessible",
2747 pps_fname);
2748 return -1;
2749 }
2750 wpa_printf(MSG_INFO, "Using PPS file: %s", pps_fname);
2751
2752 if (ca_fname && !os_file_exists(ca_fname)) {
2753 wpa_printf(MSG_INFO, "CA file '%s' does not exist or is not accessible",
2754 ca_fname);
2755 return -1;
2756 }
2757 wpa_printf(MSG_INFO, "Using server trust root: %s", ca_fname);
2758 ctx->ca_fname = ca_fname;
2759
2760 pps = node_from_file(ctx->xml, pps_fname);
2761 if (pps == NULL) {
2762 wpa_printf(MSG_INFO, "Could not read PPS MO");
2763 return -1;
2764 }
2765
2766 if (!ctx->fqdn) {
2767 char *tmp;
2768 node = get_child_node(ctx->xml, pps, "HomeSP/FQDN");
2769 if (node == NULL) {
2770 wpa_printf(MSG_INFO, "No HomeSP/FQDN found from PPS");
2771 return -1;
2772 }
2773 tmp = xml_node_get_text(ctx->xml, node);
2774 if (tmp == NULL) {
2775 wpa_printf(MSG_INFO, "No HomeSP/FQDN text found from PPS");
2776 return -1;
2777 }
2778 ctx->fqdn = os_strdup(tmp);
2779 xml_node_get_text_free(ctx->xml, tmp);
2780 if (!ctx->fqdn) {
2781 wpa_printf(MSG_INFO, "No FQDN known");
2782 return -1;
2783 }
2784 }
2785
2786 node = get_child_node(ctx->xml, pps,
2787 "Policy/PolicyUpdate/UpdateMethod");
2788 if (node) {
2789 char *tmp;
2790 tmp = xml_node_get_text(ctx->xml, node);
2791 if (tmp && os_strcasecmp(tmp, "OMA-DM-ClientInitiated") == 0)
2792 spp = 0;
2793 else
2794 spp = 1;
2795 } else {
2796 wpa_printf(MSG_INFO, "No UpdateMethod specified - assume SPP");
2797 spp = 1;
2798 }
2799
2800 get_user_pw(ctx, pps, "Policy/PolicyUpdate/UsernamePassword",
2801 &cred_username, &cred_password);
2802 if (cred_username)
2803 wpa_printf(MSG_INFO, "Using username: %s", cred_username);
2804 if (cred_password)
2805 wpa_printf(MSG_DEBUG, "Using password: %s", cred_password);
2806
2807 if (cred_username == NULL && cred_password == NULL &&
2808 get_child_node(ctx->xml, pps, "Credential/DigitalCertificate")) {
2809 wpa_printf(MSG_INFO, "Using client certificate");
2810 os_snprintf(client_cert_buf, sizeof(client_cert_buf),
2811 "SP/%s/client-cert.pem", ctx->fqdn);
2812 client_cert = client_cert_buf;
2813 os_snprintf(client_key_buf, sizeof(client_key_buf),
2814 "SP/%s/client-key.pem", ctx->fqdn);
2815 client_key = client_key_buf;
2816 }
2817
2818 if (!address) {
2819 node = get_child_node(ctx->xml, pps, "Policy/PolicyUpdate/URI");
2820 if (node) {
2821 uri = xml_node_get_text(ctx->xml, node);
2822 wpa_printf(MSG_INFO, "URI based on PPS: %s", uri);
2823 address = uri;
2824 }
2825 }
2826 if (!address) {
2827 wpa_printf(MSG_INFO, "Server URL not known");
2828 return -1;
2829 }
2830
2831 if (spp)
2832 spp_pol_upd(ctx, address, pps_fname,
2833 client_cert, client_key,
2834 cred_username, cred_password, pps);
2835 else
2836 oma_dm_pol_upd(ctx, address, pps_fname,
2837 client_cert, client_key,
2838 cred_username, cred_password, pps);
2839
2840 xml_node_get_text_free(ctx->xml, uri);
2841 xml_node_get_text_free(ctx->xml, cred_username);
2842 str_clear_free(cred_password);
2843 xml_node_free(ctx->xml, pps);
2844
2845 return 0;
2846 }
2847
2848
get_hostname(const char * url)2849 static char * get_hostname(const char *url)
2850 {
2851 const char *pos, *end, *end2;
2852 char *ret;
2853
2854 if (url == NULL)
2855 return NULL;
2856
2857 pos = os_strchr(url, '/');
2858 if (pos == NULL)
2859 return NULL;
2860 pos++;
2861 if (*pos != '/')
2862 return NULL;
2863 pos++;
2864
2865 end = os_strchr(pos, '/');
2866 end2 = os_strchr(pos, ':');
2867 if ((end && end2 && end2 < end) || (!end && end2))
2868 end = end2;
2869 if (end)
2870 end--;
2871 else {
2872 end = pos;
2873 while (*end)
2874 end++;
2875 if (end > pos)
2876 end--;
2877 }
2878
2879 ret = os_malloc(end - pos + 2);
2880 if (ret == NULL)
2881 return NULL;
2882
2883 os_memcpy(ret, pos, end - pos + 1);
2884 ret[end - pos + 1] = '\0';
2885
2886 return ret;
2887 }
2888
2889
osu_cert_cb(void * _ctx,struct http_cert * cert)2890 static int osu_cert_cb(void *_ctx, struct http_cert *cert)
2891 {
2892 struct hs20_osu_client *ctx = _ctx;
2893 unsigned int i, j;
2894 int found;
2895 char *host = NULL;
2896
2897 wpa_printf(MSG_INFO, "osu_cert_cb(osu_cert_validation=%d, url=%s)",
2898 !ctx->no_osu_cert_validation, ctx->server_url);
2899
2900 host = get_hostname(ctx->server_url);
2901
2902 for (i = 0; i < ctx->server_dnsname_count; i++)
2903 os_free(ctx->server_dnsname[i]);
2904 os_free(ctx->server_dnsname);
2905 ctx->server_dnsname = os_calloc(cert->num_dnsname, sizeof(char *));
2906 ctx->server_dnsname_count = 0;
2907
2908 found = 0;
2909 for (i = 0; i < cert->num_dnsname; i++) {
2910 if (ctx->server_dnsname) {
2911 ctx->server_dnsname[ctx->server_dnsname_count] =
2912 os_strdup(cert->dnsname[i]);
2913 if (ctx->server_dnsname[ctx->server_dnsname_count])
2914 ctx->server_dnsname_count++;
2915 }
2916 if (host && os_strcasecmp(host, cert->dnsname[i]) == 0)
2917 found = 1;
2918 wpa_printf(MSG_INFO, "dNSName '%s'", cert->dnsname[i]);
2919 }
2920
2921 if (host && !found) {
2922 wpa_printf(MSG_INFO, "Server name from URL (%s) did not match any dNSName - abort connection",
2923 host);
2924 write_result(ctx, "Server name from URL (%s) did not match any dNSName - abort connection",
2925 host);
2926 os_free(host);
2927 return -1;
2928 }
2929
2930 os_free(host);
2931
2932 for (i = 0; i < cert->num_othername; i++) {
2933 if (os_strcmp(cert->othername[i].oid,
2934 "1.3.6.1.4.1.40808.1.1.1") == 0) {
2935 wpa_hexdump_ascii(MSG_INFO,
2936 "id-wfa-hotspot-friendlyName",
2937 cert->othername[i].data,
2938 cert->othername[i].len);
2939 }
2940 }
2941
2942 for (j = 0; !ctx->no_osu_cert_validation &&
2943 j < ctx->friendly_name_count; j++) {
2944 int found = 0;
2945 for (i = 0; i < cert->num_othername; i++) {
2946 if (os_strcmp(cert->othername[i].oid,
2947 "1.3.6.1.4.1.40808.1.1.1") != 0)
2948 continue;
2949 if (cert->othername[i].len < 3)
2950 continue;
2951 if (os_strncasecmp((char *) cert->othername[i].data,
2952 ctx->friendly_name[j].lang, 3) != 0)
2953 continue;
2954 if (os_strncmp((char *) cert->othername[i].data + 3,
2955 ctx->friendly_name[j].text,
2956 cert->othername[i].len - 3) == 0) {
2957 found = 1;
2958 break;
2959 }
2960 }
2961
2962 if (!found) {
2963 wpa_printf(MSG_INFO, "No friendly name match found for '[%s]%s'",
2964 ctx->friendly_name[j].lang,
2965 ctx->friendly_name[j].text);
2966 write_result(ctx, "No friendly name match found for '[%s]%s'",
2967 ctx->friendly_name[j].lang,
2968 ctx->friendly_name[j].text);
2969 return -1;
2970 }
2971 }
2972
2973 for (i = 0; i < cert->num_logo; i++) {
2974 struct http_logo *logo = &cert->logo[i];
2975
2976 wpa_printf(MSG_INFO, "logo hash alg %s uri '%s'",
2977 logo->alg_oid, logo->uri);
2978 wpa_hexdump_ascii(MSG_INFO, "hashValue",
2979 logo->hash, logo->hash_len);
2980 }
2981
2982 for (j = 0; !ctx->no_osu_cert_validation && j < ctx->icon_count; j++) {
2983 int found = 0;
2984 char *name = ctx->icon_filename[j];
2985 size_t name_len = os_strlen(name);
2986
2987 wpa_printf(MSG_INFO,
2988 "[%i] Looking for icon file name '%s' match",
2989 j, name);
2990 for (i = 0; i < cert->num_logo; i++) {
2991 struct http_logo *logo = &cert->logo[i];
2992 size_t uri_len = os_strlen(logo->uri);
2993 char *pos;
2994
2995 wpa_printf(MSG_INFO,
2996 "[%i] Comparing to '%s' uri_len=%d name_len=%d",
2997 i, logo->uri, (int) uri_len, (int) name_len);
2998 if (uri_len < 1 + name_len) {
2999 wpa_printf(MSG_INFO, "URI Length is too short");
3000 continue;
3001 }
3002 pos = &logo->uri[uri_len - name_len - 1];
3003 if (*pos != '/')
3004 continue;
3005 pos++;
3006 if (os_strcmp(pos, name) == 0) {
3007 found = 1;
3008 break;
3009 }
3010 }
3011
3012 if (!found) {
3013 wpa_printf(MSG_INFO, "No icon filename match found for '%s'",
3014 name);
3015 write_result(ctx,
3016 "No icon filename match found for '%s'",
3017 name);
3018 return -1;
3019 }
3020 }
3021
3022 for (j = 0; !ctx->no_osu_cert_validation && j < ctx->icon_count; j++) {
3023 int found = 0;
3024
3025 for (i = 0; i < cert->num_logo; i++) {
3026 struct http_logo *logo = &cert->logo[i];
3027
3028 if (logo->hash_len != 32) {
3029 wpa_printf(MSG_INFO,
3030 "[%i][%i] Icon hash length invalid (should be 32): %d",
3031 j, i, (int) logo->hash_len);
3032 continue;
3033 }
3034 if (os_memcmp(logo->hash, ctx->icon_hash[j], 32) == 0) {
3035 found = 1;
3036 break;
3037 }
3038
3039 wpa_printf(MSG_DEBUG,
3040 "[%u][%u] Icon hash did not match", j, i);
3041 wpa_hexdump_ascii(MSG_DEBUG, "logo->hash",
3042 logo->hash, 32);
3043 wpa_hexdump_ascii(MSG_DEBUG, "ctx->icon_hash[j]",
3044 ctx->icon_hash[j], 32);
3045 }
3046
3047 if (!found) {
3048 wpa_printf(MSG_INFO,
3049 "No icon hash match (by hash) found");
3050 write_result(ctx,
3051 "No icon hash match (by hash) found");
3052 return -1;
3053 }
3054 }
3055
3056 return 0;
3057 }
3058
3059
init_ctx(struct hs20_osu_client * ctx)3060 static int init_ctx(struct hs20_osu_client *ctx)
3061 {
3062 xml_node_t *devinfo, *devid;
3063
3064 os_memset(ctx, 0, sizeof(*ctx));
3065 ctx->ifname = "wlan0";
3066 ctx->xml = xml_node_init_ctx(ctx, NULL);
3067 if (ctx->xml == NULL)
3068 return -1;
3069
3070 devinfo = node_from_file(ctx->xml, "devinfo.xml");
3071 if (devinfo) {
3072 devid = get_node(ctx->xml, devinfo, "DevId");
3073 if (devid) {
3074 char *tmp = xml_node_get_text(ctx->xml, devid);
3075
3076 if (tmp) {
3077 ctx->devid = os_strdup(tmp);
3078 xml_node_get_text_free(ctx->xml, tmp);
3079 }
3080 }
3081 xml_node_free(ctx->xml, devinfo);
3082 }
3083
3084 ctx->http = http_init_ctx(ctx, ctx->xml);
3085 if (ctx->http == NULL) {
3086 xml_node_deinit_ctx(ctx->xml);
3087 return -1;
3088 }
3089 http_ocsp_set(ctx->http, 2);
3090 http_set_cert_cb(ctx->http, osu_cert_cb, ctx);
3091
3092 return 0;
3093 }
3094
3095
deinit_ctx(struct hs20_osu_client * ctx)3096 static void deinit_ctx(struct hs20_osu_client *ctx)
3097 {
3098 size_t i;
3099
3100 http_deinit_ctx(ctx->http);
3101 xml_node_deinit_ctx(ctx->xml);
3102 os_free(ctx->fqdn);
3103 os_free(ctx->server_url);
3104 os_free(ctx->devid);
3105
3106 for (i = 0; i < ctx->server_dnsname_count; i++)
3107 os_free(ctx->server_dnsname[i]);
3108 os_free(ctx->server_dnsname);
3109 }
3110
3111
check_workarounds(struct hs20_osu_client * ctx)3112 static void check_workarounds(struct hs20_osu_client *ctx)
3113 {
3114 FILE *f;
3115 char buf[100];
3116 unsigned long int val = 0;
3117
3118 f = fopen("hs20-osu-client.workarounds", "r");
3119 if (f == NULL)
3120 return;
3121
3122 if (fgets(buf, sizeof(buf), f))
3123 val = strtoul(buf, NULL, 16);
3124
3125 fclose(f);
3126
3127 if (val) {
3128 wpa_printf(MSG_INFO, "Workarounds enabled: 0x%lx", val);
3129 ctx->workarounds = val;
3130 if (ctx->workarounds & WORKAROUND_OCSP_OPTIONAL)
3131 http_ocsp_set(ctx->http, 1);
3132 }
3133 }
3134
3135
usage(void)3136 static void usage(void)
3137 {
3138 printf("usage: hs20-osu-client [-dddqqKt] [-S<station ifname>] \\\n"
3139 " [-w<wpa_supplicant ctrl_iface dir>] "
3140 "[-r<result file>] [-f<debug file>] \\\n"
3141 " [-s<summary file>] \\\n"
3142 " [-x<spp.xsd file name>] \\\n"
3143 " <command> [arguments..]\n"
3144 "commands:\n"
3145 "- to_tnds <XML MO> <XML MO in TNDS format> [URN]\n"
3146 "- to_tnds2 <XML MO> <XML MO in TNDS format (Path) "
3147 "[URN]>\n"
3148 "- from_tnds <XML MO in TNDS format> <XML MO>\n"
3149 "- set_pps <PerProviderSubscription XML file name>\n"
3150 "- get_fqdn <PerProviderSubscription XML file name>\n"
3151 "- pol_upd [Server URL] [PPS] [CA cert]\n"
3152 "- sub_rem <Server URL> [PPS] [CA cert]\n"
3153 "- prov <Server URL> [CA cert]\n"
3154 "- oma_dm_prov <Server URL> [CA cert]\n"
3155 "- sim_prov <Server URL> [CA cert]\n"
3156 "- oma_dm_sim_prov <Server URL> [CA cert]\n"
3157 "- signup [CA cert]\n"
3158 "- dl_osu_ca <PPS> <CA file>\n"
3159 "- dl_polupd_ca <PPS> <CA file>\n"
3160 "- dl_aaa_ca <PPS> <CA file>\n"
3161 "- browser <URL>\n"
3162 "- parse_cert <X.509 certificate (DER)>\n"
3163 "- osu_select <OSU info directory> [CA cert]\n");
3164 }
3165
3166
main(int argc,char * argv[])3167 int main(int argc, char *argv[])
3168 {
3169 struct hs20_osu_client ctx;
3170 int c;
3171 int ret = 0;
3172 int no_prod_assoc = 0;
3173 const char *friendly_name = NULL;
3174 const char *wpa_debug_file_path = NULL;
3175 extern char *wpas_ctrl_path;
3176 extern int wpa_debug_level;
3177 extern int wpa_debug_show_keys;
3178 extern int wpa_debug_timestamp;
3179
3180 if (init_ctx(&ctx) < 0)
3181 return -1;
3182
3183 for (;;) {
3184 c = getopt(argc, argv, "df:hKNo:O:qr:s:S:tw:x:");
3185 if (c < 0)
3186 break;
3187 switch (c) {
3188 case 'd':
3189 if (wpa_debug_level > 0)
3190 wpa_debug_level--;
3191 break;
3192 case 'f':
3193 wpa_debug_file_path = optarg;
3194 break;
3195 case 'K':
3196 wpa_debug_show_keys++;
3197 break;
3198 case 'N':
3199 no_prod_assoc = 1;
3200 break;
3201 case 'o':
3202 ctx.osu_ssid = optarg;
3203 break;
3204 case 'O':
3205 friendly_name = optarg;
3206 break;
3207 case 'q':
3208 wpa_debug_level++;
3209 break;
3210 case 'r':
3211 ctx.result_file = optarg;
3212 break;
3213 case 's':
3214 ctx.summary_file = optarg;
3215 break;
3216 case 'S':
3217 ctx.ifname = optarg;
3218 break;
3219 case 't':
3220 wpa_debug_timestamp++;
3221 break;
3222 case 'w':
3223 wpas_ctrl_path = optarg;
3224 break;
3225 case 'x':
3226 spp_xsd_fname = optarg;
3227 break;
3228 case 'h':
3229 default:
3230 usage();
3231 exit(0);
3232 break;
3233 }
3234 }
3235
3236 if (argc - optind < 1) {
3237 usage();
3238 exit(0);
3239 }
3240
3241 wpa_debug_open_file(wpa_debug_file_path);
3242
3243 #ifdef __linux__
3244 setlinebuf(stdout);
3245 #endif /* __linux__ */
3246
3247 if (ctx.result_file)
3248 unlink(ctx.result_file);
3249 wpa_printf(MSG_DEBUG, "===[hs20-osu-client START - command: %s ]======"
3250 "================", argv[optind]);
3251 check_workarounds(&ctx);
3252
3253 if (strcmp(argv[optind], "to_tnds") == 0) {
3254 if (argc - optind < 2) {
3255 usage();
3256 exit(0);
3257 }
3258 cmd_to_tnds(&ctx, argv[optind + 1], argv[optind + 2],
3259 argc > optind + 3 ? argv[optind + 3] : NULL,
3260 0);
3261 } else if (strcmp(argv[optind], "to_tnds2") == 0) {
3262 if (argc - optind < 2) {
3263 usage();
3264 exit(0);
3265 }
3266 cmd_to_tnds(&ctx, argv[optind + 1], argv[optind + 2],
3267 argc > optind + 3 ? argv[optind + 3] : NULL,
3268 1);
3269 } else if (strcmp(argv[optind], "from_tnds") == 0) {
3270 if (argc - optind < 2) {
3271 usage();
3272 exit(0);
3273 }
3274 cmd_from_tnds(&ctx, argv[optind + 1], argv[optind + 2]);
3275 } else if (strcmp(argv[optind], "sub_rem") == 0) {
3276 if (argc - optind < 2) {
3277 usage();
3278 exit(0);
3279 }
3280 ret = cmd_sub_rem(&ctx, argv[optind + 1],
3281 argc > optind + 2 ? argv[optind + 2] : NULL,
3282 argc > optind + 3 ? argv[optind + 3] : NULL);
3283 } else if (strcmp(argv[optind], "pol_upd") == 0) {
3284 ret = cmd_pol_upd(&ctx,
3285 argc > optind + 1 ? argv[optind + 1] : NULL,
3286 argc > optind + 2 ? argv[optind + 2] : NULL,
3287 argc > optind + 3 ? argv[optind + 3] : NULL);
3288 } else if (strcmp(argv[optind], "prov") == 0) {
3289 if (argc - optind < 2) {
3290 usage();
3291 exit(0);
3292 }
3293 ctx.ca_fname = argv[optind + 2];
3294 wpa_printf(MSG_DEBUG, "Calling cmd_prov from main");
3295 cmd_prov(&ctx, argv[optind + 1]);
3296 } else if (strcmp(argv[optind], "sim_prov") == 0) {
3297 if (argc - optind < 2) {
3298 usage();
3299 exit(0);
3300 }
3301 ctx.ca_fname = argv[optind + 2];
3302 cmd_sim_prov(&ctx, argv[optind + 1]);
3303 } else if (strcmp(argv[optind], "dl_osu_ca") == 0) {
3304 if (argc - optind < 2) {
3305 usage();
3306 exit(0);
3307 }
3308 cmd_dl_osu_ca(&ctx, argv[optind + 1], argv[optind + 2]);
3309 } else if (strcmp(argv[optind], "dl_polupd_ca") == 0) {
3310 if (argc - optind < 2) {
3311 usage();
3312 exit(0);
3313 }
3314 cmd_dl_polupd_ca(&ctx, argv[optind + 1], argv[optind + 2]);
3315 } else if (strcmp(argv[optind], "dl_aaa_ca") == 0) {
3316 if (argc - optind < 2) {
3317 usage();
3318 exit(0);
3319 }
3320 cmd_dl_aaa_ca(&ctx, argv[optind + 1], argv[optind + 2]);
3321 } else if (strcmp(argv[optind], "osu_select") == 0) {
3322 if (argc - optind < 2) {
3323 usage();
3324 exit(0);
3325 }
3326 ctx.ca_fname = argc > optind + 2 ? argv[optind + 2] : NULL;
3327 cmd_osu_select(&ctx, argv[optind + 1], 2, 1, NULL);
3328 } else if (strcmp(argv[optind], "signup") == 0) {
3329 ctx.ca_fname = argc > optind + 1 ? argv[optind + 1] : NULL;
3330 ret = cmd_signup(&ctx, no_prod_assoc, friendly_name);
3331 } else if (strcmp(argv[optind], "set_pps") == 0) {
3332 if (argc - optind < 2) {
3333 usage();
3334 exit(0);
3335 }
3336 cmd_set_pps(&ctx, argv[optind + 1]);
3337 } else if (strcmp(argv[optind], "get_fqdn") == 0) {
3338 if (argc - optind < 1) {
3339 usage();
3340 exit(0);
3341 }
3342 ret = cmd_get_fqdn(&ctx, argv[optind + 1]);
3343 } else if (strcmp(argv[optind], "oma_dm_prov") == 0) {
3344 if (argc - optind < 2) {
3345 usage();
3346 exit(0);
3347 }
3348 ctx.ca_fname = argv[optind + 2];
3349 cmd_oma_dm_prov(&ctx, argv[optind + 1]);
3350 } else if (strcmp(argv[optind], "oma_dm_sim_prov") == 0) {
3351 if (argc - optind < 2) {
3352 usage();
3353 exit(0);
3354 }
3355 ctx.ca_fname = argv[optind + 2];
3356 if (cmd_oma_dm_sim_prov(&ctx, argv[optind + 1]) < 0) {
3357 write_summary(&ctx, "Failed to complete OMA DM SIM provisioning");
3358 return -1;
3359 }
3360 } else if (strcmp(argv[optind], "oma_dm_add") == 0) {
3361 if (argc - optind < 2) {
3362 usage();
3363 exit(0);
3364 }
3365 cmd_oma_dm_add(&ctx, argv[optind + 1], argv[optind + 2]);
3366 } else if (strcmp(argv[optind], "oma_dm_replace") == 0) {
3367 if (argc - optind < 2) {
3368 usage();
3369 exit(0);
3370 }
3371 cmd_oma_dm_replace(&ctx, argv[optind + 1], argv[optind + 2]);
3372 } else if (strcmp(argv[optind], "est_csr") == 0) {
3373 if (argc - optind < 2) {
3374 usage();
3375 exit(0);
3376 }
3377 mkdir("Cert", S_IRWXU);
3378 est_build_csr(&ctx, argv[optind + 1]);
3379 } else if (strcmp(argv[optind], "browser") == 0) {
3380 int ret;
3381
3382 if (argc - optind < 2) {
3383 usage();
3384 exit(0);
3385 }
3386
3387 wpa_printf(MSG_INFO, "Launch web browser to URL %s",
3388 argv[optind + 1]);
3389 ret = hs20_web_browser(argv[optind + 1]);
3390 wpa_printf(MSG_INFO, "Web browser result: %d", ret);
3391 } else if (strcmp(argv[optind], "parse_cert") == 0) {
3392 if (argc - optind < 2) {
3393 usage();
3394 exit(0);
3395 }
3396
3397 wpa_debug_level = MSG_MSGDUMP;
3398 http_parse_x509_certificate(ctx.http, argv[optind + 1]);
3399 wpa_debug_level = MSG_INFO;
3400 } else {
3401 wpa_printf(MSG_INFO, "Unknown command '%s'", argv[optind]);
3402 }
3403
3404 deinit_ctx(&ctx);
3405 wpa_printf(MSG_DEBUG,
3406 "===[hs20-osu-client END ]======================");
3407
3408 wpa_debug_close_file();
3409
3410 return ret;
3411 }
3412