config_file.c revision 281806
1189251Ssam/* 2189251Ssam * WPA Supplicant / Configuration backend: text file 3252726Srpaulo * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> 4189251Ssam * 5252726Srpaulo * This software may be distributed under the terms of the BSD license. 6252726Srpaulo * See README for more details. 7189251Ssam * 8189251Ssam * This file implements a configuration backend for text files. All the 9189251Ssam * configuration information is stored in a text file that uses a format 10189251Ssam * described in the sample configuration file, wpa_supplicant.conf. 11189251Ssam */ 12189251Ssam 13189251Ssam#include "includes.h" 14281806Srpaulo#ifdef ANDROID 15281806Srpaulo#include <sys/stat.h> 16281806Srpaulo#endif /* ANDROID */ 17189251Ssam 18189251Ssam#include "common.h" 19189251Ssam#include "config.h" 20189251Ssam#include "base64.h" 21189251Ssam#include "uuid.h" 22252726Srpaulo#include "p2p/p2p.h" 23189251Ssam#include "eap_peer/eap_methods.h" 24252726Srpaulo#include "eap_peer/eap.h" 25189251Ssam 26189251Ssam 27252726Srpaulostatic int newline_terminated(const char *buf, size_t buflen) 28252726Srpaulo{ 29252726Srpaulo size_t len = os_strlen(buf); 30252726Srpaulo if (len == 0) 31252726Srpaulo return 0; 32252726Srpaulo if (len == buflen - 1 && buf[buflen - 1] != '\r' && 33252726Srpaulo buf[len - 1] != '\n') 34252726Srpaulo return 0; 35252726Srpaulo return 1; 36252726Srpaulo} 37252726Srpaulo 38252726Srpaulo 39252726Srpaulostatic void skip_line_end(FILE *stream) 40252726Srpaulo{ 41252726Srpaulo char buf[100]; 42252726Srpaulo while (fgets(buf, sizeof(buf), stream)) { 43252726Srpaulo buf[sizeof(buf) - 1] = '\0'; 44252726Srpaulo if (newline_terminated(buf, sizeof(buf))) 45252726Srpaulo return; 46252726Srpaulo } 47252726Srpaulo} 48252726Srpaulo 49252726Srpaulo 50189251Ssam/** 51189251Ssam * wpa_config_get_line - Read the next configuration file line 52189251Ssam * @s: Buffer for the line 53189251Ssam * @size: The buffer length 54189251Ssam * @stream: File stream to read from 55189251Ssam * @line: Pointer to a variable storing the file line number 56189251Ssam * @_pos: Buffer for the pointer to the beginning of data on the text line or 57189251Ssam * %NULL if not needed (returned value used instead) 58189251Ssam * Returns: Pointer to the beginning of data on the text line or %NULL if no 59189251Ssam * more text lines are available. 60189251Ssam * 61189251Ssam * This function reads the next non-empty line from the configuration file and 62189251Ssam * removes comments. The returned string is guaranteed to be null-terminated. 63189251Ssam */ 64189251Ssamstatic char * wpa_config_get_line(char *s, int size, FILE *stream, int *line, 65189251Ssam char **_pos) 66189251Ssam{ 67189251Ssam char *pos, *end, *sstart; 68189251Ssam 69189251Ssam while (fgets(s, size, stream)) { 70189251Ssam (*line)++; 71189251Ssam s[size - 1] = '\0'; 72252726Srpaulo if (!newline_terminated(s, size)) { 73252726Srpaulo /* 74252726Srpaulo * The line was truncated - skip rest of it to avoid 75252726Srpaulo * confusing error messages. 76252726Srpaulo */ 77252726Srpaulo wpa_printf(MSG_INFO, "Long line in configuration file " 78252726Srpaulo "truncated"); 79252726Srpaulo skip_line_end(stream); 80252726Srpaulo } 81189251Ssam pos = s; 82189251Ssam 83189251Ssam /* Skip white space from the beginning of line. */ 84189251Ssam while (*pos == ' ' || *pos == '\t' || *pos == '\r') 85189251Ssam pos++; 86189251Ssam 87189251Ssam /* Skip comment lines and empty lines */ 88189251Ssam if (*pos == '#' || *pos == '\n' || *pos == '\0') 89189251Ssam continue; 90189251Ssam 91189251Ssam /* 92189251Ssam * Remove # comments unless they are within a double quoted 93189251Ssam * string. 94189251Ssam */ 95189251Ssam sstart = os_strchr(pos, '"'); 96189251Ssam if (sstart) 97189251Ssam sstart = os_strrchr(sstart + 1, '"'); 98189251Ssam if (!sstart) 99189251Ssam sstart = pos; 100189251Ssam end = os_strchr(sstart, '#'); 101189251Ssam if (end) 102189251Ssam *end-- = '\0'; 103189251Ssam else 104189251Ssam end = pos + os_strlen(pos) - 1; 105189251Ssam 106189251Ssam /* Remove trailing white space. */ 107189251Ssam while (end > pos && 108189251Ssam (*end == '\n' || *end == ' ' || *end == '\t' || 109189251Ssam *end == '\r')) 110189251Ssam *end-- = '\0'; 111189251Ssam 112189251Ssam if (*pos == '\0') 113189251Ssam continue; 114189251Ssam 115189251Ssam if (_pos) 116189251Ssam *_pos = pos; 117189251Ssam return pos; 118189251Ssam } 119189251Ssam 120189251Ssam if (_pos) 121189251Ssam *_pos = NULL; 122189251Ssam return NULL; 123189251Ssam} 124189251Ssam 125189251Ssam 126189251Ssamstatic int wpa_config_validate_network(struct wpa_ssid *ssid, int line) 127189251Ssam{ 128189251Ssam int errors = 0; 129189251Ssam 130189251Ssam if (ssid->passphrase) { 131189251Ssam if (ssid->psk_set) { 132189251Ssam wpa_printf(MSG_ERROR, "Line %d: both PSK and " 133189251Ssam "passphrase configured.", line); 134189251Ssam errors++; 135189251Ssam } 136189251Ssam wpa_config_update_psk(ssid); 137189251Ssam } 138189251Ssam 139189251Ssam if ((ssid->group_cipher & WPA_CIPHER_CCMP) && 140189251Ssam !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && 141189251Ssam !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) { 142189251Ssam /* Group cipher cannot be stronger than the pairwise cipher. */ 143189251Ssam wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher" 144189251Ssam " list since it was not allowed for pairwise " 145189251Ssam "cipher", line); 146189251Ssam ssid->group_cipher &= ~WPA_CIPHER_CCMP; 147189251Ssam } 148189251Ssam 149281806Srpaulo if (ssid->mode == WPAS_MODE_MESH && 150281806Srpaulo (ssid->key_mgmt != WPA_KEY_MGMT_NONE && 151281806Srpaulo ssid->key_mgmt != WPA_KEY_MGMT_SAE)) { 152281806Srpaulo wpa_printf(MSG_ERROR, 153281806Srpaulo "Line %d: key_mgmt for mesh network should be open or SAE", 154281806Srpaulo line); 155281806Srpaulo errors++; 156281806Srpaulo } 157281806Srpaulo 158189251Ssam return errors; 159189251Ssam} 160189251Ssam 161189251Ssam 162189251Ssamstatic struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id) 163189251Ssam{ 164189251Ssam struct wpa_ssid *ssid; 165189251Ssam int errors = 0, end = 0; 166252726Srpaulo char buf[2000], *pos, *pos2; 167189251Ssam 168189251Ssam wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block", 169189251Ssam *line); 170189251Ssam ssid = os_zalloc(sizeof(*ssid)); 171189251Ssam if (ssid == NULL) 172189251Ssam return NULL; 173281806Srpaulo dl_list_init(&ssid->psk_list); 174189251Ssam ssid->id = id; 175189251Ssam 176189251Ssam wpa_config_set_network_defaults(ssid); 177189251Ssam 178189251Ssam while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { 179189251Ssam if (os_strcmp(pos, "}") == 0) { 180189251Ssam end = 1; 181189251Ssam break; 182189251Ssam } 183189251Ssam 184189251Ssam pos2 = os_strchr(pos, '='); 185189251Ssam if (pos2 == NULL) { 186189251Ssam wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line " 187189251Ssam "'%s'.", *line, pos); 188189251Ssam errors++; 189189251Ssam continue; 190189251Ssam } 191189251Ssam 192189251Ssam *pos2++ = '\0'; 193189251Ssam if (*pos2 == '"') { 194189251Ssam if (os_strchr(pos2 + 1, '"') == NULL) { 195189251Ssam wpa_printf(MSG_ERROR, "Line %d: invalid " 196189251Ssam "quotation '%s'.", *line, pos2); 197189251Ssam errors++; 198189251Ssam continue; 199189251Ssam } 200189251Ssam } 201189251Ssam 202189251Ssam if (wpa_config_set(ssid, pos, pos2, *line) < 0) 203189251Ssam errors++; 204189251Ssam } 205189251Ssam 206189251Ssam if (!end) { 207189251Ssam wpa_printf(MSG_ERROR, "Line %d: network block was not " 208189251Ssam "terminated properly.", *line); 209189251Ssam errors++; 210189251Ssam } 211189251Ssam 212189251Ssam errors += wpa_config_validate_network(ssid, *line); 213189251Ssam 214189251Ssam if (errors) { 215189251Ssam wpa_config_free_ssid(ssid); 216189251Ssam ssid = NULL; 217189251Ssam } 218189251Ssam 219189251Ssam return ssid; 220189251Ssam} 221189251Ssam 222189251Ssam 223252726Srpaulostatic struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id) 224252726Srpaulo{ 225252726Srpaulo struct wpa_cred *cred; 226252726Srpaulo int errors = 0, end = 0; 227252726Srpaulo char buf[256], *pos, *pos2; 228252726Srpaulo 229252726Srpaulo wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line); 230252726Srpaulo cred = os_zalloc(sizeof(*cred)); 231252726Srpaulo if (cred == NULL) 232252726Srpaulo return NULL; 233252726Srpaulo cred->id = id; 234281806Srpaulo cred->sim_num = DEFAULT_USER_SELECTED_SIM; 235252726Srpaulo 236252726Srpaulo while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { 237252726Srpaulo if (os_strcmp(pos, "}") == 0) { 238252726Srpaulo end = 1; 239252726Srpaulo break; 240252726Srpaulo } 241252726Srpaulo 242252726Srpaulo pos2 = os_strchr(pos, '='); 243252726Srpaulo if (pos2 == NULL) { 244252726Srpaulo wpa_printf(MSG_ERROR, "Line %d: Invalid cred line " 245252726Srpaulo "'%s'.", *line, pos); 246252726Srpaulo errors++; 247252726Srpaulo continue; 248252726Srpaulo } 249252726Srpaulo 250252726Srpaulo *pos2++ = '\0'; 251252726Srpaulo if (*pos2 == '"') { 252252726Srpaulo if (os_strchr(pos2 + 1, '"') == NULL) { 253252726Srpaulo wpa_printf(MSG_ERROR, "Line %d: invalid " 254252726Srpaulo "quotation '%s'.", *line, pos2); 255252726Srpaulo errors++; 256252726Srpaulo continue; 257252726Srpaulo } 258252726Srpaulo } 259252726Srpaulo 260252726Srpaulo if (wpa_config_set_cred(cred, pos, pos2, *line) < 0) 261252726Srpaulo errors++; 262252726Srpaulo } 263252726Srpaulo 264252726Srpaulo if (!end) { 265252726Srpaulo wpa_printf(MSG_ERROR, "Line %d: cred block was not " 266252726Srpaulo "terminated properly.", *line); 267252726Srpaulo errors++; 268252726Srpaulo } 269252726Srpaulo 270252726Srpaulo if (errors) { 271252726Srpaulo wpa_config_free_cred(cred); 272252726Srpaulo cred = NULL; 273252726Srpaulo } 274252726Srpaulo 275252726Srpaulo return cred; 276252726Srpaulo} 277252726Srpaulo 278252726Srpaulo 279189251Ssam#ifndef CONFIG_NO_CONFIG_BLOBS 280189251Ssamstatic struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line, 281189251Ssam const char *name) 282189251Ssam{ 283189251Ssam struct wpa_config_blob *blob; 284189251Ssam char buf[256], *pos; 285189251Ssam unsigned char *encoded = NULL, *nencoded; 286189251Ssam int end = 0; 287189251Ssam size_t encoded_len = 0, len; 288189251Ssam 289189251Ssam wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'", 290189251Ssam *line, name); 291189251Ssam 292189251Ssam while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { 293189251Ssam if (os_strcmp(pos, "}") == 0) { 294189251Ssam end = 1; 295189251Ssam break; 296189251Ssam } 297189251Ssam 298189251Ssam len = os_strlen(pos); 299189251Ssam nencoded = os_realloc(encoded, encoded_len + len); 300189251Ssam if (nencoded == NULL) { 301189251Ssam wpa_printf(MSG_ERROR, "Line %d: not enough memory for " 302189251Ssam "blob", *line); 303189251Ssam os_free(encoded); 304189251Ssam return NULL; 305189251Ssam } 306189251Ssam encoded = nencoded; 307189251Ssam os_memcpy(encoded + encoded_len, pos, len); 308189251Ssam encoded_len += len; 309189251Ssam } 310189251Ssam 311189251Ssam if (!end) { 312189251Ssam wpa_printf(MSG_ERROR, "Line %d: blob was not terminated " 313189251Ssam "properly", *line); 314189251Ssam os_free(encoded); 315189251Ssam return NULL; 316189251Ssam } 317189251Ssam 318189251Ssam blob = os_zalloc(sizeof(*blob)); 319189251Ssam if (blob == NULL) { 320189251Ssam os_free(encoded); 321189251Ssam return NULL; 322189251Ssam } 323189251Ssam blob->name = os_strdup(name); 324189251Ssam blob->data = base64_decode(encoded, encoded_len, &blob->len); 325189251Ssam os_free(encoded); 326189251Ssam 327189251Ssam if (blob->name == NULL || blob->data == NULL) { 328189251Ssam wpa_config_free_blob(blob); 329189251Ssam return NULL; 330189251Ssam } 331189251Ssam 332189251Ssam return blob; 333189251Ssam} 334189251Ssam 335189251Ssam 336189251Ssamstatic int wpa_config_process_blob(struct wpa_config *config, FILE *f, 337189251Ssam int *line, char *bname) 338189251Ssam{ 339189251Ssam char *name_end; 340189251Ssam struct wpa_config_blob *blob; 341189251Ssam 342189251Ssam name_end = os_strchr(bname, '='); 343189251Ssam if (name_end == NULL) { 344189251Ssam wpa_printf(MSG_ERROR, "Line %d: no blob name terminator", 345189251Ssam *line); 346189251Ssam return -1; 347189251Ssam } 348189251Ssam *name_end = '\0'; 349189251Ssam 350189251Ssam blob = wpa_config_read_blob(f, line, bname); 351189251Ssam if (blob == NULL) { 352189251Ssam wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s", 353189251Ssam *line, bname); 354189251Ssam return -1; 355189251Ssam } 356189251Ssam wpa_config_set_blob(config, blob); 357189251Ssam return 0; 358189251Ssam} 359189251Ssam#endif /* CONFIG_NO_CONFIG_BLOBS */ 360189251Ssam 361189251Ssam 362281806Srpaulostruct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp) 363189251Ssam{ 364189251Ssam FILE *f; 365252726Srpaulo char buf[512], *pos; 366189251Ssam int errors = 0, line = 0; 367281806Srpaulo struct wpa_ssid *ssid, *tail, *head; 368281806Srpaulo struct wpa_cred *cred, *cred_tail, *cred_head; 369189251Ssam struct wpa_config *config; 370189251Ssam int id = 0; 371252726Srpaulo int cred_id = 0; 372189251Ssam 373281806Srpaulo if (name == NULL) 374281806Srpaulo return NULL; 375281806Srpaulo if (cfgp) 376281806Srpaulo config = cfgp; 377281806Srpaulo else 378281806Srpaulo config = wpa_config_alloc_empty(NULL, NULL); 379252726Srpaulo if (config == NULL) { 380252726Srpaulo wpa_printf(MSG_ERROR, "Failed to allocate config file " 381252726Srpaulo "structure"); 382189251Ssam return NULL; 383252726Srpaulo } 384281806Srpaulo tail = head = config->ssid; 385281806Srpaulo while (tail && tail->next) 386281806Srpaulo tail = tail->next; 387281806Srpaulo cred_tail = cred_head = config->cred; 388281806Srpaulo while (cred_tail && cred_tail->next) 389281806Srpaulo cred_tail = cred_tail->next; 390252726Srpaulo 391189251Ssam wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name); 392189251Ssam f = fopen(name, "r"); 393189251Ssam if (f == NULL) { 394252726Srpaulo wpa_printf(MSG_ERROR, "Failed to open config file '%s', " 395252726Srpaulo "error: %s", name, strerror(errno)); 396189251Ssam os_free(config); 397189251Ssam return NULL; 398189251Ssam } 399189251Ssam 400189251Ssam while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) { 401189251Ssam if (os_strcmp(pos, "network={") == 0) { 402189251Ssam ssid = wpa_config_read_network(f, &line, id++); 403189251Ssam if (ssid == NULL) { 404189251Ssam wpa_printf(MSG_ERROR, "Line %d: failed to " 405189251Ssam "parse network block.", line); 406189251Ssam errors++; 407189251Ssam continue; 408189251Ssam } 409189251Ssam if (head == NULL) { 410189251Ssam head = tail = ssid; 411189251Ssam } else { 412189251Ssam tail->next = ssid; 413189251Ssam tail = ssid; 414189251Ssam } 415189251Ssam if (wpa_config_add_prio_network(config, ssid)) { 416189251Ssam wpa_printf(MSG_ERROR, "Line %d: failed to add " 417189251Ssam "network block to priority list.", 418189251Ssam line); 419189251Ssam errors++; 420189251Ssam continue; 421189251Ssam } 422252726Srpaulo } else if (os_strcmp(pos, "cred={") == 0) { 423252726Srpaulo cred = wpa_config_read_cred(f, &line, cred_id++); 424252726Srpaulo if (cred == NULL) { 425252726Srpaulo wpa_printf(MSG_ERROR, "Line %d: failed to " 426252726Srpaulo "parse cred block.", line); 427252726Srpaulo errors++; 428252726Srpaulo continue; 429252726Srpaulo } 430252726Srpaulo if (cred_head == NULL) { 431252726Srpaulo cred_head = cred_tail = cred; 432252726Srpaulo } else { 433252726Srpaulo cred_tail->next = cred; 434252726Srpaulo cred_tail = cred; 435252726Srpaulo } 436189251Ssam#ifndef CONFIG_NO_CONFIG_BLOBS 437189251Ssam } else if (os_strncmp(pos, "blob-base64-", 12) == 0) { 438189251Ssam if (wpa_config_process_blob(config, f, &line, pos + 12) 439189251Ssam < 0) { 440252726Srpaulo wpa_printf(MSG_ERROR, "Line %d: failed to " 441252726Srpaulo "process blob.", line); 442189251Ssam errors++; 443189251Ssam continue; 444189251Ssam } 445189251Ssam#endif /* CONFIG_NO_CONFIG_BLOBS */ 446189251Ssam } else if (wpa_config_process_global(config, pos, line) < 0) { 447189251Ssam wpa_printf(MSG_ERROR, "Line %d: Invalid configuration " 448189251Ssam "line '%s'.", line, pos); 449189251Ssam errors++; 450189251Ssam continue; 451189251Ssam } 452189251Ssam } 453189251Ssam 454189251Ssam fclose(f); 455189251Ssam 456189251Ssam config->ssid = head; 457189251Ssam wpa_config_debug_dump_networks(config); 458252726Srpaulo config->cred = cred_head; 459189251Ssam 460252726Srpaulo#ifndef WPA_IGNORE_CONFIG_ERRORS 461189251Ssam if (errors) { 462189251Ssam wpa_config_free(config); 463189251Ssam config = NULL; 464189251Ssam head = NULL; 465189251Ssam } 466252726Srpaulo#endif /* WPA_IGNORE_CONFIG_ERRORS */ 467189251Ssam 468189251Ssam return config; 469189251Ssam} 470189251Ssam 471189251Ssam 472189251Ssam#ifndef CONFIG_NO_CONFIG_WRITE 473189251Ssam 474189251Ssamstatic void write_str(FILE *f, const char *field, struct wpa_ssid *ssid) 475189251Ssam{ 476189251Ssam char *value = wpa_config_get(ssid, field); 477189251Ssam if (value == NULL) 478189251Ssam return; 479189251Ssam fprintf(f, "\t%s=%s\n", field, value); 480189251Ssam os_free(value); 481189251Ssam} 482189251Ssam 483189251Ssam 484189251Ssamstatic void write_int(FILE *f, const char *field, int value, int def) 485189251Ssam{ 486189251Ssam if (value == def) 487189251Ssam return; 488189251Ssam fprintf(f, "\t%s=%d\n", field, value); 489189251Ssam} 490189251Ssam 491189251Ssam 492189251Ssamstatic void write_bssid(FILE *f, struct wpa_ssid *ssid) 493189251Ssam{ 494189251Ssam char *value = wpa_config_get(ssid, "bssid"); 495189251Ssam if (value == NULL) 496189251Ssam return; 497189251Ssam fprintf(f, "\tbssid=%s\n", value); 498189251Ssam os_free(value); 499189251Ssam} 500189251Ssam 501189251Ssam 502189251Ssamstatic void write_psk(FILE *f, struct wpa_ssid *ssid) 503189251Ssam{ 504189251Ssam char *value = wpa_config_get(ssid, "psk"); 505189251Ssam if (value == NULL) 506189251Ssam return; 507189251Ssam fprintf(f, "\tpsk=%s\n", value); 508189251Ssam os_free(value); 509189251Ssam} 510189251Ssam 511189251Ssam 512189251Ssamstatic void write_proto(FILE *f, struct wpa_ssid *ssid) 513189251Ssam{ 514189251Ssam char *value; 515189251Ssam 516189251Ssam if (ssid->proto == DEFAULT_PROTO) 517189251Ssam return; 518189251Ssam 519189251Ssam value = wpa_config_get(ssid, "proto"); 520189251Ssam if (value == NULL) 521189251Ssam return; 522189251Ssam if (value[0]) 523189251Ssam fprintf(f, "\tproto=%s\n", value); 524189251Ssam os_free(value); 525189251Ssam} 526189251Ssam 527189251Ssam 528189251Ssamstatic void write_key_mgmt(FILE *f, struct wpa_ssid *ssid) 529189251Ssam{ 530189251Ssam char *value; 531189251Ssam 532189251Ssam if (ssid->key_mgmt == DEFAULT_KEY_MGMT) 533189251Ssam return; 534189251Ssam 535189251Ssam value = wpa_config_get(ssid, "key_mgmt"); 536189251Ssam if (value == NULL) 537189251Ssam return; 538189251Ssam if (value[0]) 539189251Ssam fprintf(f, "\tkey_mgmt=%s\n", value); 540189251Ssam os_free(value); 541189251Ssam} 542189251Ssam 543189251Ssam 544189251Ssamstatic void write_pairwise(FILE *f, struct wpa_ssid *ssid) 545189251Ssam{ 546189251Ssam char *value; 547189251Ssam 548189251Ssam if (ssid->pairwise_cipher == DEFAULT_PAIRWISE) 549189251Ssam return; 550189251Ssam 551189251Ssam value = wpa_config_get(ssid, "pairwise"); 552189251Ssam if (value == NULL) 553189251Ssam return; 554189251Ssam if (value[0]) 555189251Ssam fprintf(f, "\tpairwise=%s\n", value); 556189251Ssam os_free(value); 557189251Ssam} 558189251Ssam 559189251Ssam 560189251Ssamstatic void write_group(FILE *f, struct wpa_ssid *ssid) 561189251Ssam{ 562189251Ssam char *value; 563189251Ssam 564189251Ssam if (ssid->group_cipher == DEFAULT_GROUP) 565189251Ssam return; 566189251Ssam 567189251Ssam value = wpa_config_get(ssid, "group"); 568189251Ssam if (value == NULL) 569189251Ssam return; 570189251Ssam if (value[0]) 571189251Ssam fprintf(f, "\tgroup=%s\n", value); 572189251Ssam os_free(value); 573189251Ssam} 574189251Ssam 575189251Ssam 576189251Ssamstatic void write_auth_alg(FILE *f, struct wpa_ssid *ssid) 577189251Ssam{ 578189251Ssam char *value; 579189251Ssam 580189251Ssam if (ssid->auth_alg == 0) 581189251Ssam return; 582189251Ssam 583189251Ssam value = wpa_config_get(ssid, "auth_alg"); 584189251Ssam if (value == NULL) 585189251Ssam return; 586189251Ssam if (value[0]) 587189251Ssam fprintf(f, "\tauth_alg=%s\n", value); 588189251Ssam os_free(value); 589189251Ssam} 590189251Ssam 591189251Ssam 592189251Ssam#ifdef IEEE8021X_EAPOL 593189251Ssamstatic void write_eap(FILE *f, struct wpa_ssid *ssid) 594189251Ssam{ 595189251Ssam char *value; 596189251Ssam 597189251Ssam value = wpa_config_get(ssid, "eap"); 598189251Ssam if (value == NULL) 599189251Ssam return; 600189251Ssam 601189251Ssam if (value[0]) 602189251Ssam fprintf(f, "\teap=%s\n", value); 603189251Ssam os_free(value); 604189251Ssam} 605189251Ssam#endif /* IEEE8021X_EAPOL */ 606189251Ssam 607189251Ssam 608189251Ssamstatic void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid) 609189251Ssam{ 610189251Ssam char field[20], *value; 611189251Ssam int res; 612189251Ssam 613189251Ssam res = os_snprintf(field, sizeof(field), "wep_key%d", idx); 614281806Srpaulo if (os_snprintf_error(sizeof(field), res)) 615189251Ssam return; 616189251Ssam value = wpa_config_get(ssid, field); 617189251Ssam if (value) { 618189251Ssam fprintf(f, "\t%s=%s\n", field, value); 619189251Ssam os_free(value); 620189251Ssam } 621189251Ssam} 622189251Ssam 623189251Ssam 624252726Srpaulo#ifdef CONFIG_P2P 625281806Srpaulo 626281806Srpaulostatic void write_go_p2p_dev_addr(FILE *f, struct wpa_ssid *ssid) 627281806Srpaulo{ 628281806Srpaulo char *value = wpa_config_get(ssid, "go_p2p_dev_addr"); 629281806Srpaulo if (value == NULL) 630281806Srpaulo return; 631281806Srpaulo fprintf(f, "\tgo_p2p_dev_addr=%s\n", value); 632281806Srpaulo os_free(value); 633281806Srpaulo} 634281806Srpaulo 635252726Srpaulostatic void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid) 636252726Srpaulo{ 637252726Srpaulo char *value = wpa_config_get(ssid, "p2p_client_list"); 638252726Srpaulo if (value == NULL) 639252726Srpaulo return; 640252726Srpaulo fprintf(f, "\tp2p_client_list=%s\n", value); 641252726Srpaulo os_free(value); 642252726Srpaulo} 643281806Srpaulo 644281806Srpaulo 645281806Srpaulostatic void write_psk_list(FILE *f, struct wpa_ssid *ssid) 646281806Srpaulo{ 647281806Srpaulo struct psk_list_entry *psk; 648281806Srpaulo char hex[32 * 2 + 1]; 649281806Srpaulo 650281806Srpaulo dl_list_for_each(psk, &ssid->psk_list, struct psk_list_entry, list) { 651281806Srpaulo wpa_snprintf_hex(hex, sizeof(hex), psk->psk, sizeof(psk->psk)); 652281806Srpaulo fprintf(f, "\tpsk_list=%s" MACSTR "-%s\n", 653281806Srpaulo psk->p2p ? "P2P-" : "", MAC2STR(psk->addr), hex); 654281806Srpaulo } 655281806Srpaulo} 656281806Srpaulo 657252726Srpaulo#endif /* CONFIG_P2P */ 658252726Srpaulo 659252726Srpaulo 660189251Ssamstatic void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid) 661189251Ssam{ 662189251Ssam int i; 663189251Ssam 664189251Ssam#define STR(t) write_str(f, #t, ssid) 665189251Ssam#define INT(t) write_int(f, #t, ssid->t, 0) 666189251Ssam#define INTe(t) write_int(f, #t, ssid->eap.t, 0) 667189251Ssam#define INT_DEF(t, def) write_int(f, #t, ssid->t, def) 668189251Ssam#define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def) 669189251Ssam 670189251Ssam STR(ssid); 671189251Ssam INT(scan_ssid); 672189251Ssam write_bssid(f, ssid); 673281806Srpaulo write_str(f, "bssid_blacklist", ssid); 674281806Srpaulo write_str(f, "bssid_whitelist", ssid); 675189251Ssam write_psk(f, ssid); 676189251Ssam write_proto(f, ssid); 677189251Ssam write_key_mgmt(f, ssid); 678252726Srpaulo INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD); 679189251Ssam write_pairwise(f, ssid); 680189251Ssam write_group(f, ssid); 681189251Ssam write_auth_alg(f, ssid); 682252726Srpaulo STR(bgscan); 683252726Srpaulo STR(autoscan); 684281806Srpaulo STR(scan_freq); 685189251Ssam#ifdef IEEE8021X_EAPOL 686189251Ssam write_eap(f, ssid); 687189251Ssam STR(identity); 688189251Ssam STR(anonymous_identity); 689189251Ssam STR(password); 690189251Ssam STR(ca_cert); 691189251Ssam STR(ca_path); 692189251Ssam STR(client_cert); 693189251Ssam STR(private_key); 694189251Ssam STR(private_key_passwd); 695189251Ssam STR(dh_file); 696189251Ssam STR(subject_match); 697189251Ssam STR(altsubject_match); 698281806Srpaulo STR(domain_suffix_match); 699281806Srpaulo STR(domain_match); 700189251Ssam STR(ca_cert2); 701189251Ssam STR(ca_path2); 702189251Ssam STR(client_cert2); 703189251Ssam STR(private_key2); 704189251Ssam STR(private_key2_passwd); 705189251Ssam STR(dh_file2); 706189251Ssam STR(subject_match2); 707189251Ssam STR(altsubject_match2); 708281806Srpaulo STR(domain_suffix_match2); 709281806Srpaulo STR(domain_match2); 710189251Ssam STR(phase1); 711189251Ssam STR(phase2); 712189251Ssam STR(pcsc); 713189251Ssam STR(pin); 714189251Ssam STR(engine_id); 715189251Ssam STR(key_id); 716189251Ssam STR(cert_id); 717189251Ssam STR(ca_cert_id); 718189251Ssam STR(key2_id); 719189251Ssam STR(pin2); 720189251Ssam STR(engine2_id); 721189251Ssam STR(cert2_id); 722189251Ssam STR(ca_cert2_id); 723189251Ssam INTe(engine); 724189251Ssam INTe(engine2); 725189251Ssam INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS); 726281806Srpaulo STR(openssl_ciphers); 727281806Srpaulo INTe(erp); 728189251Ssam#endif /* IEEE8021X_EAPOL */ 729189251Ssam for (i = 0; i < 4; i++) 730189251Ssam write_wep_key(f, i, ssid); 731189251Ssam INT(wep_tx_keyidx); 732189251Ssam INT(priority); 733189251Ssam#ifdef IEEE8021X_EAPOL 734189251Ssam INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND); 735189251Ssam STR(pac_file); 736189251Ssam INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE); 737281806Srpaulo INTe(ocsp); 738281806Srpaulo INT_DEFe(sim_num, DEFAULT_USER_SELECTED_SIM); 739189251Ssam#endif /* IEEE8021X_EAPOL */ 740189251Ssam INT(mode); 741281806Srpaulo INT(no_auto_peer); 742252726Srpaulo INT(frequency); 743281806Srpaulo INT(fixed_freq); 744252726Srpaulo write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1); 745189251Ssam INT(disabled); 746189251Ssam INT(peerkey); 747281806Srpaulo INT(mixed_cell); 748189251Ssam#ifdef CONFIG_IEEE80211W 749252726Srpaulo write_int(f, "ieee80211w", ssid->ieee80211w, 750252726Srpaulo MGMT_FRAME_PROTECTION_DEFAULT); 751189251Ssam#endif /* CONFIG_IEEE80211W */ 752189251Ssam STR(id_str); 753252726Srpaulo#ifdef CONFIG_P2P 754281806Srpaulo write_go_p2p_dev_addr(f, ssid); 755252726Srpaulo write_p2p_client_list(f, ssid); 756281806Srpaulo write_psk_list(f, ssid); 757252726Srpaulo#endif /* CONFIG_P2P */ 758281806Srpaulo INT(ap_max_inactivity); 759281806Srpaulo INT(dtim_period); 760281806Srpaulo INT(beacon_int); 761281806Srpaulo#ifdef CONFIG_MACSEC 762281806Srpaulo INT(macsec_policy); 763281806Srpaulo#endif /* CONFIG_MACSEC */ 764281806Srpaulo#ifdef CONFIG_HS20 765281806Srpaulo INT(update_identifier); 766281806Srpaulo#endif /* CONFIG_HS20 */ 767281806Srpaulo write_int(f, "mac_addr", ssid->mac_addr, -1); 768281806Srpaulo#ifdef CONFIG_MESH 769281806Srpaulo STR(mesh_basic_rates); 770281806Srpaulo INT_DEF(dot11MeshMaxRetries, DEFAULT_MESH_MAX_RETRIES); 771281806Srpaulo INT_DEF(dot11MeshRetryTimeout, DEFAULT_MESH_RETRY_TIMEOUT); 772281806Srpaulo INT_DEF(dot11MeshConfirmTimeout, DEFAULT_MESH_CONFIRM_TIMEOUT); 773281806Srpaulo INT_DEF(dot11MeshHoldingTimeout, DEFAULT_MESH_HOLDING_TIMEOUT); 774281806Srpaulo#endif /* CONFIG_MESH */ 775281806Srpaulo INT(wpa_ptk_rekey); 776281806Srpaulo INT(ignore_broadcast_ssid); 777281806Srpaulo#ifdef CONFIG_HT_OVERRIDES 778281806Srpaulo INT_DEF(disable_ht, DEFAULT_DISABLE_HT); 779281806Srpaulo INT_DEF(disable_ht40, DEFAULT_DISABLE_HT40); 780281806Srpaulo INT_DEF(disable_sgi, DEFAULT_DISABLE_SGI); 781281806Srpaulo INT_DEF(disable_ldpc, DEFAULT_DISABLE_LDPC); 782281806Srpaulo INT(ht40_intolerant); 783281806Srpaulo INT_DEF(disable_max_amsdu, DEFAULT_DISABLE_MAX_AMSDU); 784281806Srpaulo INT_DEF(ampdu_factor, DEFAULT_AMPDU_FACTOR); 785281806Srpaulo INT_DEF(ampdu_density, DEFAULT_AMPDU_DENSITY); 786281806Srpaulo STR(ht_mcs); 787281806Srpaulo#endif /* CONFIG_HT_OVERRIDES */ 788281806Srpaulo#ifdef CONFIG_VHT_OVERRIDES 789281806Srpaulo INT(disable_vht); 790281806Srpaulo INT(vht_capa); 791281806Srpaulo INT(vht_capa_mask); 792281806Srpaulo INT_DEF(vht_rx_mcs_nss_1, -1); 793281806Srpaulo INT_DEF(vht_rx_mcs_nss_2, -1); 794281806Srpaulo INT_DEF(vht_rx_mcs_nss_3, -1); 795281806Srpaulo INT_DEF(vht_rx_mcs_nss_4, -1); 796281806Srpaulo INT_DEF(vht_rx_mcs_nss_5, -1); 797281806Srpaulo INT_DEF(vht_rx_mcs_nss_6, -1); 798281806Srpaulo INT_DEF(vht_rx_mcs_nss_7, -1); 799281806Srpaulo INT_DEF(vht_rx_mcs_nss_8, -1); 800281806Srpaulo INT_DEF(vht_tx_mcs_nss_1, -1); 801281806Srpaulo INT_DEF(vht_tx_mcs_nss_2, -1); 802281806Srpaulo INT_DEF(vht_tx_mcs_nss_3, -1); 803281806Srpaulo INT_DEF(vht_tx_mcs_nss_4, -1); 804281806Srpaulo INT_DEF(vht_tx_mcs_nss_5, -1); 805281806Srpaulo INT_DEF(vht_tx_mcs_nss_6, -1); 806281806Srpaulo INT_DEF(vht_tx_mcs_nss_7, -1); 807281806Srpaulo INT_DEF(vht_tx_mcs_nss_8, -1); 808281806Srpaulo#endif /* CONFIG_VHT_OVERRIDES */ 809189251Ssam 810189251Ssam#undef STR 811189251Ssam#undef INT 812189251Ssam#undef INT_DEF 813189251Ssam} 814189251Ssam 815189251Ssam 816252726Srpaulostatic void wpa_config_write_cred(FILE *f, struct wpa_cred *cred) 817252726Srpaulo{ 818281806Srpaulo size_t i; 819281806Srpaulo 820252726Srpaulo if (cred->priority) 821252726Srpaulo fprintf(f, "\tpriority=%d\n", cred->priority); 822252726Srpaulo if (cred->pcsc) 823252726Srpaulo fprintf(f, "\tpcsc=%d\n", cred->pcsc); 824252726Srpaulo if (cred->realm) 825252726Srpaulo fprintf(f, "\trealm=\"%s\"\n", cred->realm); 826252726Srpaulo if (cred->username) 827252726Srpaulo fprintf(f, "\tusername=\"%s\"\n", cred->username); 828252726Srpaulo if (cred->password && cred->ext_password) 829252726Srpaulo fprintf(f, "\tpassword=ext:%s\n", cred->password); 830252726Srpaulo else if (cred->password) 831252726Srpaulo fprintf(f, "\tpassword=\"%s\"\n", cred->password); 832252726Srpaulo if (cred->ca_cert) 833252726Srpaulo fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert); 834252726Srpaulo if (cred->client_cert) 835252726Srpaulo fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert); 836252726Srpaulo if (cred->private_key) 837252726Srpaulo fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key); 838252726Srpaulo if (cred->private_key_passwd) 839252726Srpaulo fprintf(f, "\tprivate_key_passwd=\"%s\"\n", 840252726Srpaulo cred->private_key_passwd); 841252726Srpaulo if (cred->imsi) 842252726Srpaulo fprintf(f, "\timsi=\"%s\"\n", cred->imsi); 843252726Srpaulo if (cred->milenage) 844252726Srpaulo fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage); 845281806Srpaulo for (i = 0; i < cred->num_domain; i++) 846281806Srpaulo fprintf(f, "\tdomain=\"%s\"\n", cred->domain[i]); 847281806Srpaulo if (cred->domain_suffix_match) 848281806Srpaulo fprintf(f, "\tdomain_suffix_match=\"%s\"\n", 849281806Srpaulo cred->domain_suffix_match); 850252726Srpaulo if (cred->roaming_consortium_len) { 851252726Srpaulo fprintf(f, "\troaming_consortium="); 852252726Srpaulo for (i = 0; i < cred->roaming_consortium_len; i++) 853252726Srpaulo fprintf(f, "%02x", cred->roaming_consortium[i]); 854252726Srpaulo fprintf(f, "\n"); 855252726Srpaulo } 856252726Srpaulo if (cred->eap_method) { 857252726Srpaulo const char *name; 858252726Srpaulo name = eap_get_name(cred->eap_method[0].vendor, 859252726Srpaulo cred->eap_method[0].method); 860281806Srpaulo if (name) 861281806Srpaulo fprintf(f, "\teap=%s\n", name); 862252726Srpaulo } 863252726Srpaulo if (cred->phase1) 864252726Srpaulo fprintf(f, "\tphase1=\"%s\"\n", cred->phase1); 865252726Srpaulo if (cred->phase2) 866252726Srpaulo fprintf(f, "\tphase2=\"%s\"\n", cred->phase2); 867252726Srpaulo if (cred->excluded_ssid) { 868281806Srpaulo size_t j; 869252726Srpaulo for (i = 0; i < cred->num_excluded_ssid; i++) { 870252726Srpaulo struct excluded_ssid *e = &cred->excluded_ssid[i]; 871252726Srpaulo fprintf(f, "\texcluded_ssid="); 872252726Srpaulo for (j = 0; j < e->ssid_len; j++) 873252726Srpaulo fprintf(f, "%02x", e->ssid[j]); 874252726Srpaulo fprintf(f, "\n"); 875252726Srpaulo } 876252726Srpaulo } 877281806Srpaulo if (cred->roaming_partner) { 878281806Srpaulo for (i = 0; i < cred->num_roaming_partner; i++) { 879281806Srpaulo struct roaming_partner *p = &cred->roaming_partner[i]; 880281806Srpaulo fprintf(f, "\troaming_partner=\"%s,%d,%u,%s\"\n", 881281806Srpaulo p->fqdn, p->exact_match, p->priority, 882281806Srpaulo p->country); 883281806Srpaulo } 884281806Srpaulo } 885281806Srpaulo if (cred->update_identifier) 886281806Srpaulo fprintf(f, "\tupdate_identifier=%d\n", cred->update_identifier); 887281806Srpaulo 888281806Srpaulo if (cred->provisioning_sp) 889281806Srpaulo fprintf(f, "\tprovisioning_sp=\"%s\"\n", cred->provisioning_sp); 890281806Srpaulo if (cred->sp_priority) 891281806Srpaulo fprintf(f, "\tsp_priority=%d\n", cred->sp_priority); 892281806Srpaulo 893281806Srpaulo if (cred->min_dl_bandwidth_home) 894281806Srpaulo fprintf(f, "\tmin_dl_bandwidth_home=%u\n", 895281806Srpaulo cred->min_dl_bandwidth_home); 896281806Srpaulo if (cred->min_ul_bandwidth_home) 897281806Srpaulo fprintf(f, "\tmin_ul_bandwidth_home=%u\n", 898281806Srpaulo cred->min_ul_bandwidth_home); 899281806Srpaulo if (cred->min_dl_bandwidth_roaming) 900281806Srpaulo fprintf(f, "\tmin_dl_bandwidth_roaming=%u\n", 901281806Srpaulo cred->min_dl_bandwidth_roaming); 902281806Srpaulo if (cred->min_ul_bandwidth_roaming) 903281806Srpaulo fprintf(f, "\tmin_ul_bandwidth_roaming=%u\n", 904281806Srpaulo cred->min_ul_bandwidth_roaming); 905281806Srpaulo 906281806Srpaulo if (cred->max_bss_load) 907281806Srpaulo fprintf(f, "\tmax_bss_load=%u\n", 908281806Srpaulo cred->max_bss_load); 909281806Srpaulo 910281806Srpaulo if (cred->ocsp) 911281806Srpaulo fprintf(f, "\tocsp=%d\n", cred->ocsp); 912281806Srpaulo 913281806Srpaulo if (cred->num_req_conn_capab) { 914281806Srpaulo for (i = 0; i < cred->num_req_conn_capab; i++) { 915281806Srpaulo int *ports; 916281806Srpaulo 917281806Srpaulo fprintf(f, "\treq_conn_capab=%u", 918281806Srpaulo cred->req_conn_capab_proto[i]); 919281806Srpaulo ports = cred->req_conn_capab_port[i]; 920281806Srpaulo if (ports) { 921281806Srpaulo int j; 922281806Srpaulo for (j = 0; ports[j] != -1; j++) { 923281806Srpaulo fprintf(f, "%s%d", j > 0 ? "," : ":", 924281806Srpaulo ports[j]); 925281806Srpaulo } 926281806Srpaulo } 927281806Srpaulo fprintf(f, "\n"); 928281806Srpaulo } 929281806Srpaulo } 930281806Srpaulo 931281806Srpaulo if (cred->required_roaming_consortium_len) { 932281806Srpaulo fprintf(f, "\trequired_roaming_consortium="); 933281806Srpaulo for (i = 0; i < cred->required_roaming_consortium_len; i++) 934281806Srpaulo fprintf(f, "%02x", 935281806Srpaulo cred->required_roaming_consortium[i]); 936281806Srpaulo fprintf(f, "\n"); 937281806Srpaulo } 938281806Srpaulo 939281806Srpaulo if (cred->sim_num != DEFAULT_USER_SELECTED_SIM) 940281806Srpaulo fprintf(f, "\tsim_num=%d\n", cred->sim_num); 941252726Srpaulo} 942252726Srpaulo 943252726Srpaulo 944189251Ssam#ifndef CONFIG_NO_CONFIG_BLOBS 945189251Ssamstatic int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob) 946189251Ssam{ 947189251Ssam unsigned char *encoded; 948189251Ssam 949189251Ssam encoded = base64_encode(blob->data, blob->len, NULL); 950189251Ssam if (encoded == NULL) 951189251Ssam return -1; 952189251Ssam 953189251Ssam fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded); 954189251Ssam os_free(encoded); 955189251Ssam return 0; 956189251Ssam} 957189251Ssam#endif /* CONFIG_NO_CONFIG_BLOBS */ 958189251Ssam 959189251Ssam 960252726Srpaulostatic void write_global_bin(FILE *f, const char *field, 961252726Srpaulo const struct wpabuf *val) 962252726Srpaulo{ 963252726Srpaulo size_t i; 964252726Srpaulo const u8 *pos; 965252726Srpaulo 966252726Srpaulo if (val == NULL) 967252726Srpaulo return; 968252726Srpaulo 969252726Srpaulo fprintf(f, "%s=", field); 970252726Srpaulo pos = wpabuf_head(val); 971252726Srpaulo for (i = 0; i < wpabuf_len(val); i++) 972252726Srpaulo fprintf(f, "%02X", *pos++); 973252726Srpaulo fprintf(f, "\n"); 974252726Srpaulo} 975252726Srpaulo 976252726Srpaulo 977189251Ssamstatic void wpa_config_write_global(FILE *f, struct wpa_config *config) 978189251Ssam{ 979189251Ssam#ifdef CONFIG_CTRL_IFACE 980189251Ssam if (config->ctrl_interface) 981189251Ssam fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface); 982189251Ssam if (config->ctrl_interface_group) 983189251Ssam fprintf(f, "ctrl_interface_group=%s\n", 984189251Ssam config->ctrl_interface_group); 985189251Ssam#endif /* CONFIG_CTRL_IFACE */ 986189251Ssam if (config->eapol_version != DEFAULT_EAPOL_VERSION) 987189251Ssam fprintf(f, "eapol_version=%d\n", config->eapol_version); 988189251Ssam if (config->ap_scan != DEFAULT_AP_SCAN) 989189251Ssam fprintf(f, "ap_scan=%d\n", config->ap_scan); 990252726Srpaulo if (config->disable_scan_offload) 991252726Srpaulo fprintf(f, "disable_scan_offload=%d\n", 992252726Srpaulo config->disable_scan_offload); 993189251Ssam if (config->fast_reauth != DEFAULT_FAST_REAUTH) 994189251Ssam fprintf(f, "fast_reauth=%d\n", config->fast_reauth); 995189251Ssam if (config->opensc_engine_path) 996189251Ssam fprintf(f, "opensc_engine_path=%s\n", 997189251Ssam config->opensc_engine_path); 998189251Ssam if (config->pkcs11_engine_path) 999189251Ssam fprintf(f, "pkcs11_engine_path=%s\n", 1000189251Ssam config->pkcs11_engine_path); 1001189251Ssam if (config->pkcs11_module_path) 1002189251Ssam fprintf(f, "pkcs11_module_path=%s\n", 1003189251Ssam config->pkcs11_module_path); 1004281806Srpaulo if (config->openssl_ciphers) 1005281806Srpaulo fprintf(f, "openssl_ciphers=%s\n", config->openssl_ciphers); 1006252726Srpaulo if (config->pcsc_reader) 1007252726Srpaulo fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader); 1008252726Srpaulo if (config->pcsc_pin) 1009252726Srpaulo fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin); 1010189251Ssam if (config->driver_param) 1011189251Ssam fprintf(f, "driver_param=%s\n", config->driver_param); 1012189251Ssam if (config->dot11RSNAConfigPMKLifetime) 1013189251Ssam fprintf(f, "dot11RSNAConfigPMKLifetime=%d\n", 1014189251Ssam config->dot11RSNAConfigPMKLifetime); 1015189251Ssam if (config->dot11RSNAConfigPMKReauthThreshold) 1016189251Ssam fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%d\n", 1017189251Ssam config->dot11RSNAConfigPMKReauthThreshold); 1018189251Ssam if (config->dot11RSNAConfigSATimeout) 1019189251Ssam fprintf(f, "dot11RSNAConfigSATimeout=%d\n", 1020189251Ssam config->dot11RSNAConfigSATimeout); 1021189251Ssam if (config->update_config) 1022189251Ssam fprintf(f, "update_config=%d\n", config->update_config); 1023189251Ssam#ifdef CONFIG_WPS 1024189251Ssam if (!is_nil_uuid(config->uuid)) { 1025189251Ssam char buf[40]; 1026189251Ssam uuid_bin2str(config->uuid, buf, sizeof(buf)); 1027189251Ssam fprintf(f, "uuid=%s\n", buf); 1028189251Ssam } 1029189251Ssam if (config->device_name) 1030189251Ssam fprintf(f, "device_name=%s\n", config->device_name); 1031189251Ssam if (config->manufacturer) 1032189251Ssam fprintf(f, "manufacturer=%s\n", config->manufacturer); 1033189251Ssam if (config->model_name) 1034189251Ssam fprintf(f, "model_name=%s\n", config->model_name); 1035189251Ssam if (config->model_number) 1036189251Ssam fprintf(f, "model_number=%s\n", config->model_number); 1037189251Ssam if (config->serial_number) 1038189251Ssam fprintf(f, "serial_number=%s\n", config->serial_number); 1039252726Srpaulo { 1040252726Srpaulo char _buf[WPS_DEV_TYPE_BUFSIZE], *buf; 1041252726Srpaulo buf = wps_dev_type_bin2str(config->device_type, 1042252726Srpaulo _buf, sizeof(_buf)); 1043252726Srpaulo if (os_strcmp(buf, "0-00000000-0") != 0) 1044252726Srpaulo fprintf(f, "device_type=%s\n", buf); 1045252726Srpaulo } 1046189251Ssam if (WPA_GET_BE32(config->os_version)) 1047189251Ssam fprintf(f, "os_version=%08x\n", 1048189251Ssam WPA_GET_BE32(config->os_version)); 1049214734Srpaulo if (config->config_methods) 1050214734Srpaulo fprintf(f, "config_methods=%s\n", config->config_methods); 1051189251Ssam if (config->wps_cred_processing) 1052189251Ssam fprintf(f, "wps_cred_processing=%d\n", 1053189251Ssam config->wps_cred_processing); 1054252726Srpaulo if (config->wps_vendor_ext_m1) { 1055252726Srpaulo int i, len = wpabuf_len(config->wps_vendor_ext_m1); 1056252726Srpaulo const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1); 1057252726Srpaulo if (len > 0) { 1058252726Srpaulo fprintf(f, "wps_vendor_ext_m1="); 1059252726Srpaulo for (i = 0; i < len; i++) 1060252726Srpaulo fprintf(f, "%02x", *p++); 1061252726Srpaulo fprintf(f, "\n"); 1062252726Srpaulo } 1063252726Srpaulo } 1064189251Ssam#endif /* CONFIG_WPS */ 1065252726Srpaulo#ifdef CONFIG_P2P 1066252726Srpaulo if (config->p2p_listen_reg_class) 1067252726Srpaulo fprintf(f, "p2p_listen_reg_class=%u\n", 1068252726Srpaulo config->p2p_listen_reg_class); 1069252726Srpaulo if (config->p2p_listen_channel) 1070252726Srpaulo fprintf(f, "p2p_listen_channel=%u\n", 1071252726Srpaulo config->p2p_listen_channel); 1072252726Srpaulo if (config->p2p_oper_reg_class) 1073252726Srpaulo fprintf(f, "p2p_oper_reg_class=%u\n", 1074252726Srpaulo config->p2p_oper_reg_class); 1075252726Srpaulo if (config->p2p_oper_channel) 1076252726Srpaulo fprintf(f, "p2p_oper_channel=%u\n", config->p2p_oper_channel); 1077252726Srpaulo if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT) 1078252726Srpaulo fprintf(f, "p2p_go_intent=%u\n", config->p2p_go_intent); 1079252726Srpaulo if (config->p2p_ssid_postfix) 1080252726Srpaulo fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix); 1081252726Srpaulo if (config->persistent_reconnect) 1082252726Srpaulo fprintf(f, "persistent_reconnect=%u\n", 1083252726Srpaulo config->persistent_reconnect); 1084252726Srpaulo if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS) 1085252726Srpaulo fprintf(f, "p2p_intra_bss=%u\n", config->p2p_intra_bss); 1086252726Srpaulo if (config->p2p_group_idle) 1087252726Srpaulo fprintf(f, "p2p_group_idle=%u\n", config->p2p_group_idle); 1088281806Srpaulo if (config->p2p_passphrase_len) 1089281806Srpaulo fprintf(f, "p2p_passphrase_len=%u\n", 1090281806Srpaulo config->p2p_passphrase_len); 1091252726Srpaulo if (config->p2p_pref_chan) { 1092252726Srpaulo unsigned int i; 1093252726Srpaulo fprintf(f, "p2p_pref_chan="); 1094252726Srpaulo for (i = 0; i < config->num_p2p_pref_chan; i++) { 1095252726Srpaulo fprintf(f, "%s%u:%u", i > 0 ? "," : "", 1096252726Srpaulo config->p2p_pref_chan[i].op_class, 1097252726Srpaulo config->p2p_pref_chan[i].chan); 1098252726Srpaulo } 1099252726Srpaulo fprintf(f, "\n"); 1100252726Srpaulo } 1101281806Srpaulo if (config->p2p_no_go_freq.num) { 1102281806Srpaulo char *val = freq_range_list_str(&config->p2p_no_go_freq); 1103281806Srpaulo if (val) { 1104281806Srpaulo fprintf(f, "p2p_no_go_freq=%s\n", val); 1105281806Srpaulo os_free(val); 1106281806Srpaulo } 1107281806Srpaulo } 1108281806Srpaulo if (config->p2p_add_cli_chan) 1109281806Srpaulo fprintf(f, "p2p_add_cli_chan=%d\n", config->p2p_add_cli_chan); 1110281806Srpaulo if (config->p2p_optimize_listen_chan != 1111281806Srpaulo DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN) 1112281806Srpaulo fprintf(f, "p2p_optimize_listen_chan=%d\n", 1113281806Srpaulo config->p2p_optimize_listen_chan); 1114252726Srpaulo if (config->p2p_go_ht40) 1115252726Srpaulo fprintf(f, "p2p_go_ht40=%u\n", config->p2p_go_ht40); 1116281806Srpaulo if (config->p2p_go_vht) 1117281806Srpaulo fprintf(f, "p2p_go_vht=%u\n", config->p2p_go_vht); 1118281806Srpaulo if (config->p2p_go_ctwindow != DEFAULT_P2P_GO_CTWINDOW) 1119281806Srpaulo fprintf(f, "p2p_go_ctwindow=%u\n", config->p2p_go_ctwindow); 1120252726Srpaulo if (config->p2p_disabled) 1121252726Srpaulo fprintf(f, "p2p_disabled=%u\n", config->p2p_disabled); 1122252726Srpaulo if (config->p2p_no_group_iface) 1123252726Srpaulo fprintf(f, "p2p_no_group_iface=%u\n", 1124252726Srpaulo config->p2p_no_group_iface); 1125281806Srpaulo if (config->p2p_ignore_shared_freq) 1126281806Srpaulo fprintf(f, "p2p_ignore_shared_freq=%u\n", 1127281806Srpaulo config->p2p_ignore_shared_freq); 1128252726Srpaulo#endif /* CONFIG_P2P */ 1129189251Ssam if (config->country[0] && config->country[1]) { 1130189251Ssam fprintf(f, "country=%c%c\n", 1131189251Ssam config->country[0], config->country[1]); 1132189251Ssam } 1133214734Srpaulo if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT) 1134214734Srpaulo fprintf(f, "bss_max_count=%u\n", config->bss_max_count); 1135252726Srpaulo if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE) 1136252726Srpaulo fprintf(f, "bss_expiration_age=%u\n", 1137252726Srpaulo config->bss_expiration_age); 1138252726Srpaulo if (config->bss_expiration_scan_count != 1139252726Srpaulo DEFAULT_BSS_EXPIRATION_SCAN_COUNT) 1140252726Srpaulo fprintf(f, "bss_expiration_scan_count=%u\n", 1141252726Srpaulo config->bss_expiration_scan_count); 1142214734Srpaulo if (config->filter_ssids) 1143214734Srpaulo fprintf(f, "filter_ssids=%d\n", config->filter_ssids); 1144252726Srpaulo if (config->max_num_sta != DEFAULT_MAX_NUM_STA) 1145252726Srpaulo fprintf(f, "max_num_sta=%u\n", config->max_num_sta); 1146252726Srpaulo if (config->disassoc_low_ack) 1147252726Srpaulo fprintf(f, "disassoc_low_ack=%u\n", config->disassoc_low_ack); 1148252726Srpaulo#ifdef CONFIG_HS20 1149252726Srpaulo if (config->hs20) 1150252726Srpaulo fprintf(f, "hs20=1\n"); 1151252726Srpaulo#endif /* CONFIG_HS20 */ 1152252726Srpaulo#ifdef CONFIG_INTERWORKING 1153252726Srpaulo if (config->interworking) 1154252726Srpaulo fprintf(f, "interworking=%u\n", config->interworking); 1155252726Srpaulo if (!is_zero_ether_addr(config->hessid)) 1156252726Srpaulo fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid)); 1157252726Srpaulo if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE) 1158252726Srpaulo fprintf(f, "access_network_type=%d\n", 1159252726Srpaulo config->access_network_type); 1160252726Srpaulo#endif /* CONFIG_INTERWORKING */ 1161252726Srpaulo if (config->pbc_in_m1) 1162252726Srpaulo fprintf(f, "pbc_in_m1=%u\n", config->pbc_in_m1); 1163281806Srpaulo if (config->wps_nfc_pw_from_config) { 1164281806Srpaulo if (config->wps_nfc_dev_pw_id) 1165281806Srpaulo fprintf(f, "wps_nfc_dev_pw_id=%d\n", 1166281806Srpaulo config->wps_nfc_dev_pw_id); 1167281806Srpaulo write_global_bin(f, "wps_nfc_dh_pubkey", 1168281806Srpaulo config->wps_nfc_dh_pubkey); 1169281806Srpaulo write_global_bin(f, "wps_nfc_dh_privkey", 1170281806Srpaulo config->wps_nfc_dh_privkey); 1171281806Srpaulo write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw); 1172281806Srpaulo } 1173252726Srpaulo 1174252726Srpaulo if (config->ext_password_backend) 1175252726Srpaulo fprintf(f, "ext_password_backend=%s\n", 1176252726Srpaulo config->ext_password_backend); 1177252726Srpaulo if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY) 1178252726Srpaulo fprintf(f, "p2p_go_max_inactivity=%d\n", 1179252726Srpaulo config->p2p_go_max_inactivity); 1180252726Srpaulo if (config->auto_interworking) 1181252726Srpaulo fprintf(f, "auto_interworking=%d\n", 1182252726Srpaulo config->auto_interworking); 1183252726Srpaulo if (config->okc) 1184252726Srpaulo fprintf(f, "okc=%d\n", config->okc); 1185252726Srpaulo if (config->pmf) 1186252726Srpaulo fprintf(f, "pmf=%d\n", config->pmf); 1187281806Srpaulo if (config->dtim_period) 1188281806Srpaulo fprintf(f, "dtim_period=%d\n", config->dtim_period); 1189281806Srpaulo if (config->beacon_int) 1190281806Srpaulo fprintf(f, "beacon_int=%d\n", config->beacon_int); 1191281806Srpaulo 1192281806Srpaulo if (config->sae_groups) { 1193281806Srpaulo int i; 1194281806Srpaulo fprintf(f, "sae_groups="); 1195281806Srpaulo for (i = 0; config->sae_groups[i] >= 0; i++) { 1196281806Srpaulo fprintf(f, "%s%d", i > 0 ? " " : "", 1197281806Srpaulo config->sae_groups[i]); 1198281806Srpaulo } 1199281806Srpaulo fprintf(f, "\n"); 1200281806Srpaulo } 1201281806Srpaulo 1202281806Srpaulo if (config->ap_vendor_elements) { 1203281806Srpaulo int i, len = wpabuf_len(config->ap_vendor_elements); 1204281806Srpaulo const u8 *p = wpabuf_head_u8(config->ap_vendor_elements); 1205281806Srpaulo if (len > 0) { 1206281806Srpaulo fprintf(f, "ap_vendor_elements="); 1207281806Srpaulo for (i = 0; i < len; i++) 1208281806Srpaulo fprintf(f, "%02x", *p++); 1209281806Srpaulo fprintf(f, "\n"); 1210281806Srpaulo } 1211281806Srpaulo } 1212281806Srpaulo 1213281806Srpaulo if (config->ignore_old_scan_res) 1214281806Srpaulo fprintf(f, "ignore_old_scan_res=%d\n", 1215281806Srpaulo config->ignore_old_scan_res); 1216281806Srpaulo 1217281806Srpaulo if (config->freq_list && config->freq_list[0]) { 1218281806Srpaulo int i; 1219281806Srpaulo fprintf(f, "freq_list="); 1220281806Srpaulo for (i = 0; config->freq_list[i]; i++) { 1221281806Srpaulo fprintf(f, "%s%u", i > 0 ? " " : "", 1222281806Srpaulo config->freq_list[i]); 1223281806Srpaulo } 1224281806Srpaulo fprintf(f, "\n"); 1225281806Srpaulo } 1226281806Srpaulo if (config->scan_cur_freq != DEFAULT_SCAN_CUR_FREQ) 1227281806Srpaulo fprintf(f, "scan_cur_freq=%d\n", config->scan_cur_freq); 1228281806Srpaulo 1229281806Srpaulo if (config->sched_scan_interval) 1230281806Srpaulo fprintf(f, "sched_scan_interval=%u\n", 1231281806Srpaulo config->sched_scan_interval); 1232281806Srpaulo 1233281806Srpaulo if (config->external_sim) 1234281806Srpaulo fprintf(f, "external_sim=%d\n", config->external_sim); 1235281806Srpaulo 1236281806Srpaulo if (config->tdls_external_control) 1237281806Srpaulo fprintf(f, "tdls_external_control=%d\n", 1238281806Srpaulo config->tdls_external_control); 1239281806Srpaulo 1240281806Srpaulo if (config->wowlan_triggers) 1241281806Srpaulo fprintf(f, "wowlan_triggers=%s\n", 1242281806Srpaulo config->wowlan_triggers); 1243281806Srpaulo 1244281806Srpaulo if (config->bgscan) 1245281806Srpaulo fprintf(f, "bgscan=\"%s\"\n", config->bgscan); 1246281806Srpaulo 1247281806Srpaulo if (config->p2p_search_delay != DEFAULT_P2P_SEARCH_DELAY) 1248281806Srpaulo fprintf(f, "p2p_search_delay=%u\n", 1249281806Srpaulo config->p2p_search_delay); 1250281806Srpaulo 1251281806Srpaulo if (config->mac_addr) 1252281806Srpaulo fprintf(f, "mac_addr=%d\n", config->mac_addr); 1253281806Srpaulo 1254281806Srpaulo if (config->rand_addr_lifetime != DEFAULT_RAND_ADDR_LIFETIME) 1255281806Srpaulo fprintf(f, "rand_addr_lifetime=%u\n", 1256281806Srpaulo config->rand_addr_lifetime); 1257281806Srpaulo 1258281806Srpaulo if (config->preassoc_mac_addr) 1259281806Srpaulo fprintf(f, "preassoc_mac_addr=%d\n", config->preassoc_mac_addr); 1260281806Srpaulo 1261281806Srpaulo if (config->key_mgmt_offload != DEFAULT_KEY_MGMT_OFFLOAD) 1262281806Srpaulo fprintf(f, "key_mgmt_offload=%u\n", config->key_mgmt_offload); 1263281806Srpaulo 1264281806Srpaulo if (config->user_mpm != DEFAULT_USER_MPM) 1265281806Srpaulo fprintf(f, "user_mpm=%d\n", config->user_mpm); 1266281806Srpaulo 1267281806Srpaulo if (config->max_peer_links != DEFAULT_MAX_PEER_LINKS) 1268281806Srpaulo fprintf(f, "max_peer_links=%d\n", config->max_peer_links); 1269281806Srpaulo 1270281806Srpaulo if (config->cert_in_cb != DEFAULT_CERT_IN_CB) 1271281806Srpaulo fprintf(f, "cert_in_cb=%d\n", config->cert_in_cb); 1272281806Srpaulo 1273281806Srpaulo if (config->mesh_max_inactivity != DEFAULT_MESH_MAX_INACTIVITY) 1274281806Srpaulo fprintf(f, "mesh_max_inactivity=%d\n", 1275281806Srpaulo config->mesh_max_inactivity); 1276281806Srpaulo 1277281806Srpaulo if (config->passive_scan) 1278281806Srpaulo fprintf(f, "passive_scan=%d\n", config->passive_scan); 1279281806Srpaulo 1280281806Srpaulo if (config->reassoc_same_bss_optim) 1281281806Srpaulo fprintf(f, "reassoc_same_bss_optim=%d\n", 1282281806Srpaulo config->reassoc_same_bss_optim); 1283189251Ssam} 1284189251Ssam 1285189251Ssam#endif /* CONFIG_NO_CONFIG_WRITE */ 1286189251Ssam 1287189251Ssam 1288189251Ssamint wpa_config_write(const char *name, struct wpa_config *config) 1289189251Ssam{ 1290189251Ssam#ifndef CONFIG_NO_CONFIG_WRITE 1291189251Ssam FILE *f; 1292189251Ssam struct wpa_ssid *ssid; 1293252726Srpaulo struct wpa_cred *cred; 1294189251Ssam#ifndef CONFIG_NO_CONFIG_BLOBS 1295189251Ssam struct wpa_config_blob *blob; 1296189251Ssam#endif /* CONFIG_NO_CONFIG_BLOBS */ 1297189251Ssam int ret = 0; 1298281806Srpaulo const char *orig_name = name; 1299281806Srpaulo int tmp_len = os_strlen(name) + 5; /* allow space for .tmp suffix */ 1300281806Srpaulo char *tmp_name = os_malloc(tmp_len); 1301189251Ssam 1302281806Srpaulo if (tmp_name) { 1303281806Srpaulo os_snprintf(tmp_name, tmp_len, "%s.tmp", name); 1304281806Srpaulo name = tmp_name; 1305281806Srpaulo } 1306281806Srpaulo 1307189251Ssam wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name); 1308189251Ssam 1309189251Ssam f = fopen(name, "w"); 1310189251Ssam if (f == NULL) { 1311189251Ssam wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name); 1312281806Srpaulo os_free(tmp_name); 1313189251Ssam return -1; 1314189251Ssam } 1315189251Ssam 1316189251Ssam wpa_config_write_global(f, config); 1317189251Ssam 1318252726Srpaulo for (cred = config->cred; cred; cred = cred->next) { 1319281806Srpaulo if (cred->temporary) 1320281806Srpaulo continue; 1321252726Srpaulo fprintf(f, "\ncred={\n"); 1322252726Srpaulo wpa_config_write_cred(f, cred); 1323252726Srpaulo fprintf(f, "}\n"); 1324252726Srpaulo } 1325252726Srpaulo 1326189251Ssam for (ssid = config->ssid; ssid; ssid = ssid->next) { 1327252726Srpaulo if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary) 1328252726Srpaulo continue; /* do not save temporary networks */ 1329252726Srpaulo if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set && 1330252726Srpaulo !ssid->passphrase) 1331252726Srpaulo continue; /* do not save invalid network */ 1332189251Ssam fprintf(f, "\nnetwork={\n"); 1333189251Ssam wpa_config_write_network(f, ssid); 1334189251Ssam fprintf(f, "}\n"); 1335189251Ssam } 1336189251Ssam 1337189251Ssam#ifndef CONFIG_NO_CONFIG_BLOBS 1338189251Ssam for (blob = config->blobs; blob; blob = blob->next) { 1339189251Ssam ret = wpa_config_write_blob(f, blob); 1340189251Ssam if (ret) 1341189251Ssam break; 1342189251Ssam } 1343189251Ssam#endif /* CONFIG_NO_CONFIG_BLOBS */ 1344189251Ssam 1345189251Ssam fclose(f); 1346189251Ssam 1347281806Srpaulo if (tmp_name) { 1348281806Srpaulo int chmod_ret = 0; 1349281806Srpaulo 1350281806Srpaulo#ifdef ANDROID 1351281806Srpaulo chmod_ret = chmod(tmp_name, 1352281806Srpaulo S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP); 1353281806Srpaulo#endif /* ANDROID */ 1354281806Srpaulo if (chmod_ret != 0 || rename(tmp_name, orig_name) != 0) 1355281806Srpaulo ret = -1; 1356281806Srpaulo 1357281806Srpaulo os_free(tmp_name); 1358281806Srpaulo } 1359281806Srpaulo 1360189251Ssam wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully", 1361281806Srpaulo orig_name, ret ? "un" : ""); 1362189251Ssam return ret; 1363189251Ssam#else /* CONFIG_NO_CONFIG_WRITE */ 1364189251Ssam return -1; 1365189251Ssam#endif /* CONFIG_NO_CONFIG_WRITE */ 1366189251Ssam} 1367