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00019 #include "includes.h"
00020
00021 #include "common.h"
00022 #include "config.h"
00023 #include "base64.h"
00024 #include "uuid.h"
00025 #include "eap_peer/eap_methods.h"
00026
00027
00042 static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line,
00043 char **_pos)
00044 {
00045 char *pos, *end, *sstart;
00046
00047 while (fgets(s, size, stream)) {
00048 (*line)++;
00049 s[size - 1] = '\0';
00050 pos = s;
00051
00052
00053 while (*pos == ' ' || *pos == '\t' || *pos == '\r')
00054 pos++;
00055
00056
00057 if (*pos == '#' || *pos == '\n' || *pos == '\0')
00058 continue;
00059
00060
00061
00062
00063
00064 sstart = os_strchr(pos, '"');
00065 if (sstart)
00066 sstart = os_strrchr(sstart + 1, '"');
00067 if (!sstart)
00068 sstart = pos;
00069 end = os_strchr(sstart, '#');
00070 if (end)
00071 *end-- = '\0';
00072 else
00073 end = pos + os_strlen(pos) - 1;
00074
00075
00076 while (end > pos &&
00077 (*end == '\n' || *end == ' ' || *end == '\t' ||
00078 *end == '\r'))
00079 *end-- = '\0';
00080
00081 if (*pos == '\0')
00082 continue;
00083
00084 if (_pos)
00085 *_pos = pos;
00086 return pos;
00087 }
00088
00089 if (_pos)
00090 *_pos = NULL;
00091 return NULL;
00092 }
00093
00094
00095 static int wpa_config_validate_network(struct wpa_ssid *ssid, int line)
00096 {
00097 int errors = 0;
00098
00099 if (ssid->passphrase) {
00100 if (ssid->psk_set) {
00101 wpa_printf(MSG_ERROR, "Line %d: both PSK and "
00102 "passphrase configured.", line);
00103 errors++;
00104 }
00105 wpa_config_update_psk(ssid);
00106 }
00107
00108 if ((ssid->key_mgmt & (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK |
00109 WPA_KEY_MGMT_PSK_SHA256)) &&
00110 !ssid->psk_set) {
00111 wpa_printf(MSG_ERROR, "Line %d: WPA-PSK accepted for key "
00112 "management, but no PSK configured.", line);
00113 errors++;
00114 }
00115
00116 if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
00117 !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
00118 !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) {
00119
00120 wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher"
00121 " list since it was not allowed for pairwise "
00122 "cipher", line);
00123 ssid->group_cipher &= ~WPA_CIPHER_CCMP;
00124 }
00125
00126 return errors;
00127 }
00128
00129
00130 static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
00131 {
00132 struct wpa_ssid *ssid;
00133 int errors = 0, end = 0;
00134 char buf[256], *pos, *pos2;
00135
00136 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
00137 *line);
00138 ssid = os_zalloc(sizeof(*ssid));
00139 if (ssid == NULL)
00140 return NULL;
00141 ssid->id = id;
00142
00143 wpa_config_set_network_defaults(ssid);
00144
00145 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
00146 if (os_strcmp(pos, "}") == 0) {
00147 end = 1;
00148 break;
00149 }
00150
00151 pos2 = os_strchr(pos, '=');
00152 if (pos2 == NULL) {
00153 wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line "
00154 "'%s'.", *line, pos);
00155 errors++;
00156 continue;
00157 }
00158
00159 *pos2++ = '\0';
00160 if (*pos2 == '"') {
00161 if (os_strchr(pos2 + 1, '"') == NULL) {
00162 wpa_printf(MSG_ERROR, "Line %d: invalid "
00163 "quotation '%s'.", *line, pos2);
00164 errors++;
00165 continue;
00166 }
00167 }
00168
00169 if (wpa_config_set(ssid, pos, pos2, *line) < 0)
00170 errors++;
00171 }
00172
00173 if (!end) {
00174 wpa_printf(MSG_ERROR, "Line %d: network block was not "
00175 "terminated properly.", *line);
00176 errors++;
00177 }
00178
00179 errors += wpa_config_validate_network(ssid, *line);
00180
00181 if (errors) {
00182 wpa_config_free_ssid(ssid);
00183 ssid = NULL;
00184 }
00185
00186 return ssid;
00187 }
00188
00189
00190 #ifndef CONFIG_NO_CONFIG_BLOBS
00191 static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line,
00192 const char *name)
00193 {
00194 struct wpa_config_blob *blob;
00195 char buf[256], *pos;
00196 unsigned char *encoded = NULL, *nencoded;
00197 int end = 0;
00198 size_t encoded_len = 0, len;
00199
00200 wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'",
00201 *line, name);
00202
00203 while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
00204 if (os_strcmp(pos, "}") == 0) {
00205 end = 1;
00206 break;
00207 }
00208
00209 len = os_strlen(pos);
00210 nencoded = os_realloc(encoded, encoded_len + len);
00211 if (nencoded == NULL) {
00212 wpa_printf(MSG_ERROR, "Line %d: not enough memory for "
00213 "blob", *line);
00214 os_free(encoded);
00215 return NULL;
00216 }
00217 encoded = nencoded;
00218 os_memcpy(encoded + encoded_len, pos, len);
00219 encoded_len += len;
00220 }
00221
00222 if (!end) {
00223 wpa_printf(MSG_ERROR, "Line %d: blob was not terminated "
00224 "properly", *line);
00225 os_free(encoded);
00226 return NULL;
00227 }
00228
00229 blob = os_zalloc(sizeof(*blob));
00230 if (blob == NULL) {
00231 os_free(encoded);
00232 return NULL;
00233 }
00234 blob->name = os_strdup(name);
00235 blob->data = base64_decode(encoded, encoded_len, &blob->len);
00236 os_free(encoded);
00237
00238 if (blob->name == NULL || blob->data == NULL) {
00239 wpa_config_free_blob(blob);
00240 return NULL;
00241 }
00242
00243 return blob;
00244 }
00245
00246
00247 static int wpa_config_process_blob(struct wpa_config *config, FILE *f,
00248 int *line, char *bname)
00249 {
00250 char *name_end;
00251 struct wpa_config_blob *blob;
00252
00253 name_end = os_strchr(bname, '=');
00254 if (name_end == NULL) {
00255 wpa_printf(MSG_ERROR, "Line %d: no blob name terminator",
00256 *line);
00257 return -1;
00258 }
00259 *name_end = '\0';
00260
00261 blob = wpa_config_read_blob(f, line, bname);
00262 if (blob == NULL) {
00263 wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s",
00264 *line, bname);
00265 return -1;
00266 }
00267 wpa_config_set_blob(config, blob);
00268 return 0;
00269 }
00270 #endif
00271
00272
00273 struct global_parse_data {
00274 char *name;
00275 int (*parser)(const struct global_parse_data *data,
00276 struct wpa_config *config, int line, const char *value);
00277 void *param1, *param2, *param3;
00278 };
00279
00280
00281 static int wpa_config_parse_int(const struct global_parse_data *data,
00282 struct wpa_config *config, int line,
00283 const char *pos)
00284 {
00285 int *dst;
00286 dst = (int *) (((u8 *) config) + (long) data->param1);
00287 *dst = atoi(pos);
00288 wpa_printf(MSG_DEBUG, "%s=%d", data->name, *dst);
00289
00290 if (data->param2 && *dst < (long) data->param2) {
00291 wpa_printf(MSG_ERROR, "Line %d: too small %s (value=%d "
00292 "min_value=%ld)", line, data->name, *dst,
00293 (long) data->param2);
00294 *dst = (long) data->param2;
00295 return -1;
00296 }
00297
00298 if (data->param3 && *dst > (long) data->param3) {
00299 wpa_printf(MSG_ERROR, "Line %d: too large %s (value=%d "
00300 "max_value=%ld)", line, data->name, *dst,
00301 (long) data->param3);
00302 *dst = (long) data->param3;
00303 return -1;
00304 }
00305
00306 return 0;
00307 }
00308
00309
00310 static int wpa_config_parse_str(const struct global_parse_data *data,
00311 struct wpa_config *config, int line,
00312 const char *pos)
00313 {
00314 size_t len;
00315 char **dst, *tmp;
00316
00317 len = os_strlen(pos);
00318 if (data->param2 && len < (size_t) data->param2) {
00319 wpa_printf(MSG_ERROR, "Line %d: too short %s (len=%lu "
00320 "min_len=%ld)", line, data->name,
00321 (unsigned long) len, (long) data->param2);
00322 return -1;
00323 }
00324
00325 if (data->param3 && len > (size_t) data->param3) {
00326 wpa_printf(MSG_ERROR, "Line %d: too long %s (len=%lu "
00327 "max_len=%ld)", line, data->name,
00328 (unsigned long) len, (long) data->param3);
00329 return -1;
00330 }
00331
00332 tmp = os_strdup(pos);
00333 if (tmp == NULL)
00334 return -1;
00335
00336 dst = (char **) (((u8 *) config) + (long) data->param1);
00337 os_free(*dst);
00338 *dst = tmp;
00339 wpa_printf(MSG_DEBUG, "%s='%s'", data->name, *dst);
00340
00341 return 0;
00342 }
00343
00344
00345 static int wpa_config_process_country(const struct global_parse_data *data,
00346 struct wpa_config *config, int line,
00347 const char *pos)
00348 {
00349 if (!pos[0] || !pos[1]) {
00350 wpa_printf(MSG_DEBUG, "Invalid country set");
00351 return -1;
00352 }
00353 config->country[0] = pos[0];
00354 config->country[1] = pos[1];
00355 wpa_printf(MSG_DEBUG, "country='%c%c'",
00356 config->country[0], config->country[1]);
00357 return 0;
00358 }
00359
00360
00361 static int wpa_config_process_load_dynamic_eap(
00362 const struct global_parse_data *data, struct wpa_config *config,
00363 int line, const char *so)
00364 {
00365 int ret;
00366 wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so);
00367 ret = eap_peer_method_load(so);
00368 if (ret == -2) {
00369 wpa_printf(MSG_DEBUG, "This EAP type was already loaded - not "
00370 "reloading.");
00371 } else if (ret) {
00372 wpa_printf(MSG_ERROR, "Line %d: Failed to load dynamic EAP "
00373 "method '%s'.", line, so);
00374 return -1;
00375 }
00376
00377 return 0;
00378 }
00379
00380
00381 #ifdef CONFIG_WPS
00382
00383 static int wpa_config_process_uuid(const struct global_parse_data *data,
00384 struct wpa_config *config, int line,
00385 const char *pos)
00386 {
00387 char buf[40];
00388 if (uuid_str2bin(pos, config->uuid)) {
00389 wpa_printf(MSG_ERROR, "Line %d: invalid UUID", line);
00390 return -1;
00391 }
00392 uuid_bin2str(config->uuid, buf, sizeof(buf));
00393 wpa_printf(MSG_DEBUG, "uuid=%s", buf);
00394 return 0;
00395 }
00396
00397
00398 static int wpa_config_process_os_version(const struct global_parse_data *data,
00399 struct wpa_config *config, int line,
00400 const char *pos)
00401 {
00402 if (hexstr2bin(pos, config->os_version, 4)) {
00403 wpa_printf(MSG_ERROR, "Line %d: invalid os_version", line);
00404 return -1;
00405 }
00406 wpa_printf(MSG_DEBUG, "os_version=%08x",
00407 WPA_GET_BE32(config->os_version));
00408 return 0;
00409 }
00410
00411 #endif
00412
00413
00414 #ifdef OFFSET
00415 #undef OFFSET
00416 #endif
00417
00418 #define OFFSET(v) ((void *) &((struct wpa_config *) 0)->v)
00419
00420 #define FUNC(f) #f, wpa_config_process_ ## f, OFFSET(f), NULL, NULL
00421 #define FUNC_NO_VAR(f) #f, wpa_config_process_ ## f, NULL, NULL, NULL
00422 #define _INT(f) #f, wpa_config_parse_int, OFFSET(f)
00423 #define INT(f) _INT(f), NULL, NULL
00424 #define INT_RANGE(f, min, max) _INT(f), (void *) min, (void *) max
00425 #define _STR(f) #f, wpa_config_parse_str, OFFSET(f)
00426 #define STR(f) _STR(f), NULL, NULL
00427 #define STR_RANGE(f, min, max) _STR(f), (void *) min, (void *) max
00428
00429 static const struct global_parse_data global_fields[] = {
00430 #ifdef CONFIG_CTRL_IFACE
00431 { STR(ctrl_interface) },
00432 { STR(ctrl_interface_group) } ,
00433 #endif
00434 { INT_RANGE(eapol_version, 1, 2) },
00435 { INT(ap_scan) },
00436 { INT(fast_reauth) },
00437 { STR(opensc_engine_path) },
00438 { STR(pkcs11_engine_path) },
00439 { STR(pkcs11_module_path) },
00440 { STR(driver_param) },
00441 { INT(dot11RSNAConfigPMKLifetime) },
00442 { INT(dot11RSNAConfigPMKReauthThreshold) },
00443 { INT(dot11RSNAConfigSATimeout) },
00444 #ifndef CONFIG_NO_CONFIG_WRITE
00445 { INT(update_config) },
00446 #endif
00447 { FUNC_NO_VAR(load_dynamic_eap) },
00448 #ifdef CONFIG_WPS
00449 { FUNC(uuid) },
00450 { STR_RANGE(device_name, 0, 32) },
00451 { STR_RANGE(manufacturer, 0, 64) },
00452 { STR_RANGE(model_name, 0, 32) },
00453 { STR_RANGE(model_number, 0, 32) },
00454 { STR_RANGE(serial_number, 0, 32) },
00455 { STR(device_type) },
00456 { FUNC(os_version) },
00457 { STR(config_methods) },
00458 { INT_RANGE(wps_cred_processing, 0, 2) },
00459 #endif
00460 { FUNC(country) },
00461 { INT(bss_max_count) },
00462 { INT_RANGE(filter_ssids, 0, 1) }
00463 };
00464
00465 #undef FUNC
00466 #undef _INT
00467 #undef INT
00468 #undef INT_RANGE
00469 #undef _STR
00470 #undef STR
00471 #undef STR_RANGE
00472 #define NUM_GLOBAL_FIELDS (sizeof(global_fields) / sizeof(global_fields[0]))
00473
00474
00475 static int wpa_config_process_global(struct wpa_config *config, char *pos,
00476 int line)
00477 {
00478 size_t i;
00479 int ret = 0;
00480
00481 for (i = 0; i < NUM_GLOBAL_FIELDS; i++) {
00482 const struct global_parse_data *field = &global_fields[i];
00483 size_t flen = os_strlen(field->name);
00484 if (os_strncmp(pos, field->name, flen) != 0 ||
00485 pos[flen] != '=')
00486 continue;
00487
00488 if (field->parser(field, config, line, pos + flen + 1)) {
00489 wpa_printf(MSG_ERROR, "Line %d: failed to "
00490 "parse '%s'.", line, pos);
00491 ret = -1;
00492 }
00493 break;
00494 }
00495 if (i == NUM_GLOBAL_FIELDS) {
00496 wpa_printf(MSG_ERROR, "Line %d: unknown global field '%s'.",
00497 line, pos);
00498 ret = -1;
00499 }
00500
00501 return ret;
00502 }
00503
00504
00505 struct wpa_config * wpa_config_read(const char *name)
00506 {
00507 FILE *f;
00508 char buf[256], *pos;
00509 int errors = 0, line = 0;
00510 struct wpa_ssid *ssid, *tail = NULL, *head = NULL;
00511 struct wpa_config *config;
00512 int id = 0;
00513
00514 config = wpa_config_alloc_empty(NULL, NULL);
00515 if (config == NULL)
00516 return NULL;
00517 wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
00518 f = fopen(name, "r");
00519 if (f == NULL) {
00520 os_free(config);
00521 return NULL;
00522 }
00523
00524 while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) {
00525 if (os_strcmp(pos, "network={") == 0) {
00526 ssid = wpa_config_read_network(f, &line, id++);
00527 if (ssid == NULL) {
00528 wpa_printf(MSG_ERROR, "Line %d: failed to "
00529 "parse network block.", line);
00530 errors++;
00531 continue;
00532 }
00533 if (head == NULL) {
00534 head = tail = ssid;
00535 } else {
00536 tail->next = ssid;
00537 tail = ssid;
00538 }
00539 if (wpa_config_add_prio_network(config, ssid)) {
00540 wpa_printf(MSG_ERROR, "Line %d: failed to add "
00541 "network block to priority list.",
00542 line);
00543 errors++;
00544 continue;
00545 }
00546 #ifndef CONFIG_NO_CONFIG_BLOBS
00547 } else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
00548 if (wpa_config_process_blob(config, f, &line, pos + 12)
00549 < 0) {
00550 errors++;
00551 continue;
00552 }
00553 #endif
00554 } else if (wpa_config_process_global(config, pos, line) < 0) {
00555 wpa_printf(MSG_ERROR, "Line %d: Invalid configuration "
00556 "line '%s'.", line, pos);
00557 errors++;
00558 continue;
00559 }
00560 }
00561
00562 fclose(f);
00563
00564 config->ssid = head;
00565 wpa_config_debug_dump_networks(config);
00566
00567 if (errors) {
00568 wpa_config_free(config);
00569 config = NULL;
00570 head = NULL;
00571 }
00572
00573 return config;
00574 }
00575
00576
00577 #ifndef CONFIG_NO_CONFIG_WRITE
00578
00579 static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid)
00580 {
00581 char *value = wpa_config_get(ssid, field);
00582 if (value == NULL)
00583 return;
00584 fprintf(f, "\t%s=%s\n", field, value);
00585 os_free(value);
00586 }
00587
00588
00589 static void write_int(FILE *f, const char *field, int value, int def)
00590 {
00591 if (value == def)
00592 return;
00593 fprintf(f, "\t%s=%d\n", field, value);
00594 }
00595
00596
00597 static void write_bssid(FILE *f, struct wpa_ssid *ssid)
00598 {
00599 char *value = wpa_config_get(ssid, "bssid");
00600 if (value == NULL)
00601 return;
00602 fprintf(f, "\tbssid=%s\n", value);
00603 os_free(value);
00604 }
00605
00606
00607 static void write_psk(FILE *f, struct wpa_ssid *ssid)
00608 {
00609 char *value = wpa_config_get(ssid, "psk");
00610 if (value == NULL)
00611 return;
00612 fprintf(f, "\tpsk=%s\n", value);
00613 os_free(value);
00614 }
00615
00616
00617 static void write_proto(FILE *f, struct wpa_ssid *ssid)
00618 {
00619 char *value;
00620
00621 if (ssid->proto == DEFAULT_PROTO)
00622 return;
00623
00624 value = wpa_config_get(ssid, "proto");
00625 if (value == NULL)
00626 return;
00627 if (value[0])
00628 fprintf(f, "\tproto=%s\n", value);
00629 os_free(value);
00630 }
00631
00632
00633 static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid)
00634 {
00635 char *value;
00636
00637 if (ssid->key_mgmt == DEFAULT_KEY_MGMT)
00638 return;
00639
00640 value = wpa_config_get(ssid, "key_mgmt");
00641 if (value == NULL)
00642 return;
00643 if (value[0])
00644 fprintf(f, "\tkey_mgmt=%s\n", value);
00645 os_free(value);
00646 }
00647
00648
00649 static void write_pairwise(FILE *f, struct wpa_ssid *ssid)
00650 {
00651 char *value;
00652
00653 if (ssid->pairwise_cipher == DEFAULT_PAIRWISE)
00654 return;
00655
00656 value = wpa_config_get(ssid, "pairwise");
00657 if (value == NULL)
00658 return;
00659 if (value[0])
00660 fprintf(f, "\tpairwise=%s\n", value);
00661 os_free(value);
00662 }
00663
00664
00665 static void write_group(FILE *f, struct wpa_ssid *ssid)
00666 {
00667 char *value;
00668
00669 if (ssid->group_cipher == DEFAULT_GROUP)
00670 return;
00671
00672 value = wpa_config_get(ssid, "group");
00673 if (value == NULL)
00674 return;
00675 if (value[0])
00676 fprintf(f, "\tgroup=%s\n", value);
00677 os_free(value);
00678 }
00679
00680
00681 static void write_auth_alg(FILE *f, struct wpa_ssid *ssid)
00682 {
00683 char *value;
00684
00685 if (ssid->auth_alg == 0)
00686 return;
00687
00688 value = wpa_config_get(ssid, "auth_alg");
00689 if (value == NULL)
00690 return;
00691 if (value[0])
00692 fprintf(f, "\tauth_alg=%s\n", value);
00693 os_free(value);
00694 }
00695
00696
00697 #ifdef IEEE8021X_EAPOL
00698 static void write_eap(FILE *f, struct wpa_ssid *ssid)
00699 {
00700 char *value;
00701
00702 value = wpa_config_get(ssid, "eap");
00703 if (value == NULL)
00704 return;
00705
00706 if (value[0])
00707 fprintf(f, "\teap=%s\n", value);
00708 os_free(value);
00709 }
00710 #endif
00711
00712
00713 static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid)
00714 {
00715 char field[20], *value;
00716 int res;
00717
00718 res = os_snprintf(field, sizeof(field), "wep_key%d", idx);
00719 if (res < 0 || (size_t) res >= sizeof(field))
00720 return;
00721 value = wpa_config_get(ssid, field);
00722 if (value) {
00723 fprintf(f, "\t%s=%s\n", field, value);
00724 os_free(value);
00725 }
00726 }
00727
00728
00729 static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
00730 {
00731 int i;
00732
00733 #define STR(t) write_str(f, #t, ssid)
00734 #define INT(t) write_int(f, #t, ssid->t, 0)
00735 #define INTe(t) write_int(f, #t, ssid->eap.t, 0)
00736 #define INT_DEF(t, def) write_int(f, #t, ssid->t, def)
00737 #define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def)
00738
00739 STR(ssid);
00740 INT(scan_ssid);
00741 write_bssid(f, ssid);
00742 write_psk(f, ssid);
00743 write_proto(f, ssid);
00744 write_key_mgmt(f, ssid);
00745 write_pairwise(f, ssid);
00746 write_group(f, ssid);
00747 write_auth_alg(f, ssid);
00748 #ifdef IEEE8021X_EAPOL
00749 write_eap(f, ssid);
00750 STR(identity);
00751 STR(anonymous_identity);
00752 STR(password);
00753 STR(ca_cert);
00754 STR(ca_path);
00755 STR(client_cert);
00756 STR(private_key);
00757 STR(private_key_passwd);
00758 STR(dh_file);
00759 STR(subject_match);
00760 STR(altsubject_match);
00761 STR(ca_cert2);
00762 STR(ca_path2);
00763 STR(client_cert2);
00764 STR(private_key2);
00765 STR(private_key2_passwd);
00766 STR(dh_file2);
00767 STR(subject_match2);
00768 STR(altsubject_match2);
00769 STR(phase1);
00770 STR(phase2);
00771 STR(pcsc);
00772 STR(pin);
00773 STR(engine_id);
00774 STR(key_id);
00775 STR(cert_id);
00776 STR(ca_cert_id);
00777 STR(key2_id);
00778 STR(pin2);
00779 STR(engine2_id);
00780 STR(cert2_id);
00781 STR(ca_cert2_id);
00782 INTe(engine);
00783 INTe(engine2);
00784 INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS);
00785 #endif
00786 for (i = 0; i < 4; i++)
00787 write_wep_key(f, i, ssid);
00788 INT(wep_tx_keyidx);
00789 INT(priority);
00790 #ifdef IEEE8021X_EAPOL
00791 INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND);
00792 STR(pac_file);
00793 INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE);
00794 #endif
00795 INT(mode);
00796 INT(proactive_key_caching);
00797 INT(disabled);
00798 INT(peerkey);
00799 #ifdef CONFIG_IEEE80211W
00800 INT(ieee80211w);
00801 #endif
00802 STR(id_str);
00803
00804 #undef STR
00805 #undef INT
00806 #undef INT_DEF
00807 }
00808
00809
00810 #ifndef CONFIG_NO_CONFIG_BLOBS
00811 static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob)
00812 {
00813 unsigned char *encoded;
00814
00815 encoded = base64_encode(blob->data, blob->len, NULL);
00816 if (encoded == NULL)
00817 return -1;
00818
00819 fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded);
00820 os_free(encoded);
00821 return 0;
00822 }
00823 #endif
00824
00825
00826 static void wpa_config_write_global(FILE *f, struct wpa_config *config)
00827 {
00828 #ifdef CONFIG_CTRL_IFACE
00829 if (config->ctrl_interface)
00830 fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface);
00831 if (config->ctrl_interface_group)
00832 fprintf(f, "ctrl_interface_group=%s\n",
00833 config->ctrl_interface_group);
00834 #endif
00835 if (config->eapol_version != DEFAULT_EAPOL_VERSION)
00836 fprintf(f, "eapol_version=%d\n", config->eapol_version);
00837 if (config->ap_scan != DEFAULT_AP_SCAN)
00838 fprintf(f, "ap_scan=%d\n", config->ap_scan);
00839 if (config->fast_reauth != DEFAULT_FAST_REAUTH)
00840 fprintf(f, "fast_reauth=%d\n", config->fast_reauth);
00841 if (config->opensc_engine_path)
00842 fprintf(f, "opensc_engine_path=%s\n",
00843 config->opensc_engine_path);
00844 if (config->pkcs11_engine_path)
00845 fprintf(f, "pkcs11_engine_path=%s\n",
00846 config->pkcs11_engine_path);
00847 if (config->pkcs11_module_path)
00848 fprintf(f, "pkcs11_module_path=%s\n",
00849 config->pkcs11_module_path);
00850 if (config->driver_param)
00851 fprintf(f, "driver_param=%s\n", config->driver_param);
00852 if (config->dot11RSNAConfigPMKLifetime)
00853 fprintf(f, "dot11RSNAConfigPMKLifetime=%d\n",
00854 config->dot11RSNAConfigPMKLifetime);
00855 if (config->dot11RSNAConfigPMKReauthThreshold)
00856 fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%d\n",
00857 config->dot11RSNAConfigPMKReauthThreshold);
00858 if (config->dot11RSNAConfigSATimeout)
00859 fprintf(f, "dot11RSNAConfigSATimeout=%d\n",
00860 config->dot11RSNAConfigSATimeout);
00861 if (config->update_config)
00862 fprintf(f, "update_config=%d\n", config->update_config);
00863 #ifdef CONFIG_WPS
00864 if (!is_nil_uuid(config->uuid)) {
00865 char buf[40];
00866 uuid_bin2str(config->uuid, buf, sizeof(buf));
00867 fprintf(f, "uuid=%s\n", buf);
00868 }
00869 if (config->device_name)
00870 fprintf(f, "device_name=%s\n", config->device_name);
00871 if (config->manufacturer)
00872 fprintf(f, "manufacturer=%s\n", config->manufacturer);
00873 if (config->model_name)
00874 fprintf(f, "model_name=%s\n", config->model_name);
00875 if (config->model_number)
00876 fprintf(f, "model_number=%s\n", config->model_number);
00877 if (config->serial_number)
00878 fprintf(f, "serial_number=%s\n", config->serial_number);
00879 if (config->device_type)
00880 fprintf(f, "device_type=%s\n", config->device_type);
00881 if (WPA_GET_BE32(config->os_version))
00882 fprintf(f, "os_version=%08x\n",
00883 WPA_GET_BE32(config->os_version));
00884 if (config->config_methods)
00885 fprintf(f, "config_methods=%s\n", config->config_methods);
00886 if (config->wps_cred_processing)
00887 fprintf(f, "wps_cred_processing=%d\n",
00888 config->wps_cred_processing);
00889 #endif
00890 if (config->country[0] && config->country[1]) {
00891 fprintf(f, "country=%c%c\n",
00892 config->country[0], config->country[1]);
00893 }
00894 if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT)
00895 fprintf(f, "bss_max_count=%u\n", config->bss_max_count);
00896 if (config->filter_ssids)
00897 fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
00898 }
00899
00900 #endif
00901
00902
00903 int wpa_config_write(const char *name, struct wpa_config *config)
00904 {
00905 #ifndef CONFIG_NO_CONFIG_WRITE
00906 FILE *f;
00907 struct wpa_ssid *ssid;
00908 #ifndef CONFIG_NO_CONFIG_BLOBS
00909 struct wpa_config_blob *blob;
00910 #endif
00911 int ret = 0;
00912
00913 wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name);
00914
00915 f = fopen(name, "w");
00916 if (f == NULL) {
00917 wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name);
00918 return -1;
00919 }
00920
00921 wpa_config_write_global(f, config);
00922
00923 for (ssid = config->ssid; ssid; ssid = ssid->next) {
00924 if (ssid->key_mgmt == WPA_KEY_MGMT_WPS)
00925 continue;
00926 fprintf(f, "\nnetwork={\n");
00927 wpa_config_write_network(f, ssid);
00928 fprintf(f, "}\n");
00929 }
00930
00931 #ifndef CONFIG_NO_CONFIG_BLOBS
00932 for (blob = config->blobs; blob; blob = blob->next) {
00933 ret = wpa_config_write_blob(f, blob);
00934 if (ret)
00935 break;
00936 }
00937 #endif
00938
00939 fclose(f);
00940
00941 wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully",
00942 name, ret ? "un" : "");
00943 return ret;
00944 #else
00945 return -1;
00946 #endif
00947 }