| /* |
| * WPA Supplicant / Configuration backend: text file |
| * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi> |
| * |
| * This software may be distributed under the terms of the BSD license. |
| * See README for more details. |
| * |
| * This file implements a configuration backend for text files. All the |
| * configuration information is stored in a text file that uses a format |
| * described in the sample configuration file, wpa_supplicant.conf. |
| */ |
| |
| #include "includes.h" |
| |
| #include "common.h" |
| #include "config.h" |
| #include "base64.h" |
| #include "uuid.h" |
| #include "p2p/p2p.h" |
| #include "eap_peer/eap_methods.h" |
| #include "eap_peer/eap.h" |
| |
| |
| static int newline_terminated(const char *buf, size_t buflen) |
| { |
| size_t len = os_strlen(buf); |
| if (len == 0) |
| return 0; |
| if (len == buflen - 1 && buf[buflen - 1] != '\r' && |
| buf[len - 1] != '\n') |
| return 0; |
| return 1; |
| } |
| |
| |
| static void skip_line_end(FILE *stream) |
| { |
| char buf[100]; |
| while (fgets(buf, sizeof(buf), stream)) { |
| buf[sizeof(buf) - 1] = '\0'; |
| if (newline_terminated(buf, sizeof(buf))) |
| return; |
| } |
| } |
| |
| |
| /** |
| * wpa_config_get_line - Read the next configuration file line |
| * @s: Buffer for the line |
| * @size: The buffer length |
| * @stream: File stream to read from |
| * @line: Pointer to a variable storing the file line number |
| * @_pos: Buffer for the pointer to the beginning of data on the text line or |
| * %NULL if not needed (returned value used instead) |
| * Returns: Pointer to the beginning of data on the text line or %NULL if no |
| * more text lines are available. |
| * |
| * This function reads the next non-empty line from the configuration file and |
| * removes comments. The returned string is guaranteed to be null-terminated. |
| */ |
| static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line, |
| char **_pos) |
| { |
| char *pos, *end, *sstart; |
| |
| while (fgets(s, size, stream)) { |
| (*line)++; |
| s[size - 1] = '\0'; |
| if (!newline_terminated(s, size)) { |
| /* |
| * The line was truncated - skip rest of it to avoid |
| * confusing error messages. |
| */ |
| wpa_printf(MSG_INFO, "Long line in configuration file " |
| "truncated"); |
| skip_line_end(stream); |
| } |
| pos = s; |
| |
| /* Skip white space from the beginning of line. */ |
| while (*pos == ' ' || *pos == '\t' || *pos == '\r') |
| pos++; |
| |
| /* Skip comment lines and empty lines */ |
| if (*pos == '#' || *pos == '\n' || *pos == '\0') |
| continue; |
| |
| /* |
| * Remove # comments unless they are within a double quoted |
| * string. |
| */ |
| sstart = os_strchr(pos, '"'); |
| if (sstart) |
| sstart = os_strrchr(sstart + 1, '"'); |
| if (!sstart) |
| sstart = pos; |
| end = os_strchr(sstart, '#'); |
| if (end) |
| *end-- = '\0'; |
| else |
| end = pos + os_strlen(pos) - 1; |
| |
| /* Remove trailing white space. */ |
| while (end > pos && |
| (*end == '\n' || *end == ' ' || *end == '\t' || |
| *end == '\r')) |
| *end-- = '\0'; |
| |
| if (*pos == '\0') |
| continue; |
| |
| if (_pos) |
| *_pos = pos; |
| return pos; |
| } |
| |
| if (_pos) |
| *_pos = NULL; |
| return NULL; |
| } |
| |
| |
| static int wpa_config_validate_network(struct wpa_ssid *ssid, int line) |
| { |
| int errors = 0; |
| |
| if (ssid->passphrase) { |
| if (ssid->psk_set) { |
| wpa_printf(MSG_ERROR, "Line %d: both PSK and " |
| "passphrase configured.", line); |
| errors++; |
| } |
| wpa_config_update_psk(ssid); |
| } |
| |
| if ((ssid->group_cipher & WPA_CIPHER_CCMP) && |
| !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && |
| !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) { |
| /* Group cipher cannot be stronger than the pairwise cipher. */ |
| wpa_printf(MSG_DEBUG, "Line %d: removed CCMP from group cipher" |
| " list since it was not allowed for pairwise " |
| "cipher", line); |
| ssid->group_cipher &= ~WPA_CIPHER_CCMP; |
| } |
| |
| return errors; |
| } |
| |
| |
| static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id) |
| { |
| struct wpa_ssid *ssid; |
| int errors = 0, end = 0; |
| char buf[2000], *pos, *pos2; |
| |
| wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block", |
| *line); |
| ssid = os_zalloc(sizeof(*ssid)); |
| if (ssid == NULL) |
| return NULL; |
| dl_list_init(&ssid->psk_list); |
| ssid->id = id; |
| |
| wpa_config_set_network_defaults(ssid); |
| |
| while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { |
| if (os_strcmp(pos, "}") == 0) { |
| end = 1; |
| break; |
| } |
| |
| pos2 = os_strchr(pos, '='); |
| if (pos2 == NULL) { |
| wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line " |
| "'%s'.", *line, pos); |
| errors++; |
| continue; |
| } |
| |
| *pos2++ = '\0'; |
| if (*pos2 == '"') { |
| if (os_strchr(pos2 + 1, '"') == NULL) { |
| wpa_printf(MSG_ERROR, "Line %d: invalid " |
| "quotation '%s'.", *line, pos2); |
| errors++; |
| continue; |
| } |
| } |
| |
| if (wpa_config_set(ssid, pos, pos2, *line) < 0) |
| errors++; |
| } |
| |
| if (!end) { |
| wpa_printf(MSG_ERROR, "Line %d: network block was not " |
| "terminated properly.", *line); |
| errors++; |
| } |
| |
| errors += wpa_config_validate_network(ssid, *line); |
| |
| if (errors) { |
| wpa_config_free_ssid(ssid); |
| ssid = NULL; |
| } |
| |
| return ssid; |
| } |
| |
| |
| static struct wpa_cred * wpa_config_read_cred(FILE *f, int *line, int id) |
| { |
| struct wpa_cred *cred; |
| int errors = 0, end = 0; |
| char buf[256], *pos, *pos2; |
| |
| wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new cred block", *line); |
| cred = os_zalloc(sizeof(*cred)); |
| if (cred == NULL) |
| return NULL; |
| cred->id = id; |
| |
| while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { |
| if (os_strcmp(pos, "}") == 0) { |
| end = 1; |
| break; |
| } |
| |
| pos2 = os_strchr(pos, '='); |
| if (pos2 == NULL) { |
| wpa_printf(MSG_ERROR, "Line %d: Invalid cred line " |
| "'%s'.", *line, pos); |
| errors++; |
| continue; |
| } |
| |
| *pos2++ = '\0'; |
| if (*pos2 == '"') { |
| if (os_strchr(pos2 + 1, '"') == NULL) { |
| wpa_printf(MSG_ERROR, "Line %d: invalid " |
| "quotation '%s'.", *line, pos2); |
| errors++; |
| continue; |
| } |
| } |
| |
| if (wpa_config_set_cred(cred, pos, pos2, *line) < 0) |
| errors++; |
| } |
| |
| if (!end) { |
| wpa_printf(MSG_ERROR, "Line %d: cred block was not " |
| "terminated properly.", *line); |
| errors++; |
| } |
| |
| if (errors) { |
| wpa_config_free_cred(cred); |
| cred = NULL; |
| } |
| |
| return cred; |
| } |
| |
| |
| #ifndef CONFIG_NO_CONFIG_BLOBS |
| static struct wpa_config_blob * wpa_config_read_blob(FILE *f, int *line, |
| const char *name) |
| { |
| struct wpa_config_blob *blob; |
| char buf[256], *pos; |
| unsigned char *encoded = NULL, *nencoded; |
| int end = 0; |
| size_t encoded_len = 0, len; |
| |
| wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new named blob '%s'", |
| *line, name); |
| |
| while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) { |
| if (os_strcmp(pos, "}") == 0) { |
| end = 1; |
| break; |
| } |
| |
| len = os_strlen(pos); |
| nencoded = os_realloc(encoded, encoded_len + len); |
| if (nencoded == NULL) { |
| wpa_printf(MSG_ERROR, "Line %d: not enough memory for " |
| "blob", *line); |
| os_free(encoded); |
| return NULL; |
| } |
| encoded = nencoded; |
| os_memcpy(encoded + encoded_len, pos, len); |
| encoded_len += len; |
| } |
| |
| if (!end) { |
| wpa_printf(MSG_ERROR, "Line %d: blob was not terminated " |
| "properly", *line); |
| os_free(encoded); |
| return NULL; |
| } |
| |
| blob = os_zalloc(sizeof(*blob)); |
| if (blob == NULL) { |
| os_free(encoded); |
| return NULL; |
| } |
| blob->name = os_strdup(name); |
| blob->data = base64_decode(encoded, encoded_len, &blob->len); |
| os_free(encoded); |
| |
| if (blob->name == NULL || blob->data == NULL) { |
| wpa_config_free_blob(blob); |
| return NULL; |
| } |
| |
| return blob; |
| } |
| |
| |
| static int wpa_config_process_blob(struct wpa_config *config, FILE *f, |
| int *line, char *bname) |
| { |
| char *name_end; |
| struct wpa_config_blob *blob; |
| |
| name_end = os_strchr(bname, '='); |
| if (name_end == NULL) { |
| wpa_printf(MSG_ERROR, "Line %d: no blob name terminator", |
| *line); |
| return -1; |
| } |
| *name_end = '\0'; |
| |
| blob = wpa_config_read_blob(f, line, bname); |
| if (blob == NULL) { |
| wpa_printf(MSG_ERROR, "Line %d: failed to read blob %s", |
| *line, bname); |
| return -1; |
| } |
| wpa_config_set_blob(config, blob); |
| return 0; |
| } |
| #endif /* CONFIG_NO_CONFIG_BLOBS */ |
| |
| |
| struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp) |
| { |
| FILE *f; |
| char buf[512], *pos; |
| int errors = 0, line = 0; |
| struct wpa_ssid *ssid, *tail = NULL, *head = NULL; |
| struct wpa_cred *cred, *cred_tail = NULL, *cred_head = NULL; |
| struct wpa_config *config; |
| int id = 0; |
| int cred_id = 0; |
| |
| if (name == NULL) |
| return NULL; |
| if (cfgp) |
| config = cfgp; |
| else |
| config = wpa_config_alloc_empty(NULL, NULL); |
| if (config == NULL) { |
| wpa_printf(MSG_ERROR, "Failed to allocate config file " |
| "structure"); |
| return NULL; |
| } |
| head = config->ssid; |
| cred_head = config->cred; |
| |
| wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name); |
| f = fopen(name, "r"); |
| if (f == NULL) { |
| wpa_printf(MSG_ERROR, "Failed to open config file '%s', " |
| "error: %s", name, strerror(errno)); |
| os_free(config); |
| return NULL; |
| } |
| |
| while (wpa_config_get_line(buf, sizeof(buf), f, &line, &pos)) { |
| if (os_strcmp(pos, "network={") == 0) { |
| ssid = wpa_config_read_network(f, &line, id++); |
| if (ssid == NULL) { |
| wpa_printf(MSG_ERROR, "Line %d: failed to " |
| "parse network block.", line); |
| errors++; |
| continue; |
| } |
| if (head == NULL) { |
| head = tail = ssid; |
| } else { |
| tail->next = ssid; |
| tail = ssid; |
| } |
| if (wpa_config_add_prio_network(config, ssid)) { |
| wpa_printf(MSG_ERROR, "Line %d: failed to add " |
| "network block to priority list.", |
| line); |
| errors++; |
| continue; |
| } |
| } else if (os_strcmp(pos, "cred={") == 0) { |
| cred = wpa_config_read_cred(f, &line, cred_id++); |
| if (cred == NULL) { |
| wpa_printf(MSG_ERROR, "Line %d: failed to " |
| "parse cred block.", line); |
| errors++; |
| continue; |
| } |
| if (cred_head == NULL) { |
| cred_head = cred_tail = cred; |
| } else { |
| cred_tail->next = cred; |
| cred_tail = cred; |
| } |
| #ifndef CONFIG_NO_CONFIG_BLOBS |
| } else if (os_strncmp(pos, "blob-base64-", 12) == 0) { |
| if (wpa_config_process_blob(config, f, &line, pos + 12) |
| < 0) { |
| wpa_printf(MSG_ERROR, "Line %d: failed to " |
| "process blob.", line); |
| errors++; |
| continue; |
| } |
| #endif /* CONFIG_NO_CONFIG_BLOBS */ |
| } else if (wpa_config_process_global(config, pos, line) < 0) { |
| wpa_printf(MSG_ERROR, "Line %d: Invalid configuration " |
| "line '%s'.", line, pos); |
| errors++; |
| continue; |
| } |
| } |
| |
| fclose(f); |
| |
| config->ssid = head; |
| wpa_config_debug_dump_networks(config); |
| config->cred = cred_head; |
| |
| #ifndef WPA_IGNORE_CONFIG_ERRORS |
| if (errors) { |
| wpa_config_free(config); |
| config = NULL; |
| head = NULL; |
| } |
| #endif /* WPA_IGNORE_CONFIG_ERRORS */ |
| |
| return config; |
| } |
| |
| |
| #ifndef CONFIG_NO_CONFIG_WRITE |
| |
| static void write_str(FILE *f, const char *field, struct wpa_ssid *ssid) |
| { |
| char *value = wpa_config_get(ssid, field); |
| if (value == NULL) |
| return; |
| fprintf(f, "\t%s=%s\n", field, value); |
| os_free(value); |
| } |
| |
| |
| static void write_int(FILE *f, const char *field, int value, int def) |
| { |
| if (value == def) |
| return; |
| fprintf(f, "\t%s=%d\n", field, value); |
| } |
| |
| |
| static void write_bssid(FILE *f, struct wpa_ssid *ssid) |
| { |
| char *value = wpa_config_get(ssid, "bssid"); |
| if (value == NULL) |
| return; |
| fprintf(f, "\tbssid=%s\n", value); |
| os_free(value); |
| } |
| |
| |
| static void write_psk(FILE *f, struct wpa_ssid *ssid) |
| { |
| char *value = wpa_config_get(ssid, "psk"); |
| if (value == NULL) |
| return; |
| fprintf(f, "\tpsk=%s\n", value); |
| os_free(value); |
| } |
| |
| |
| static void write_proto(FILE *f, struct wpa_ssid *ssid) |
| { |
| char *value; |
| |
| if (ssid->proto == DEFAULT_PROTO) |
| return; |
| |
| value = wpa_config_get(ssid, "proto"); |
| if (value == NULL) |
| return; |
| if (value[0]) |
| fprintf(f, "\tproto=%s\n", value); |
| os_free(value); |
| } |
| |
| |
| static void write_key_mgmt(FILE *f, struct wpa_ssid *ssid) |
| { |
| char *value; |
| |
| if (ssid->key_mgmt == DEFAULT_KEY_MGMT) |
| return; |
| |
| value = wpa_config_get(ssid, "key_mgmt"); |
| if (value == NULL) |
| return; |
| if (value[0]) |
| fprintf(f, "\tkey_mgmt=%s\n", value); |
| os_free(value); |
| } |
| |
| |
| static void write_pairwise(FILE *f, struct wpa_ssid *ssid) |
| { |
| char *value; |
| |
| if (ssid->pairwise_cipher == DEFAULT_PAIRWISE) |
| return; |
| |
| value = wpa_config_get(ssid, "pairwise"); |
| if (value == NULL) |
| return; |
| if (value[0]) |
| fprintf(f, "\tpairwise=%s\n", value); |
| os_free(value); |
| } |
| |
| |
| static void write_group(FILE *f, struct wpa_ssid *ssid) |
| { |
| char *value; |
| |
| if (ssid->group_cipher == DEFAULT_GROUP) |
| return; |
| |
| value = wpa_config_get(ssid, "group"); |
| if (value == NULL) |
| return; |
| if (value[0]) |
| fprintf(f, "\tgroup=%s\n", value); |
| os_free(value); |
| } |
| |
| |
| static void write_auth_alg(FILE *f, struct wpa_ssid *ssid) |
| { |
| char *value; |
| |
| if (ssid->auth_alg == 0) |
| return; |
| |
| value = wpa_config_get(ssid, "auth_alg"); |
| if (value == NULL) |
| return; |
| if (value[0]) |
| fprintf(f, "\tauth_alg=%s\n", value); |
| os_free(value); |
| } |
| |
| |
| #ifdef IEEE8021X_EAPOL |
| static void write_eap(FILE *f, struct wpa_ssid *ssid) |
| { |
| char *value; |
| |
| value = wpa_config_get(ssid, "eap"); |
| if (value == NULL) |
| return; |
| |
| if (value[0]) |
| fprintf(f, "\teap=%s\n", value); |
| os_free(value); |
| } |
| #endif /* IEEE8021X_EAPOL */ |
| |
| |
| static void write_wep_key(FILE *f, int idx, struct wpa_ssid *ssid) |
| { |
| char field[20], *value; |
| int res; |
| |
| res = os_snprintf(field, sizeof(field), "wep_key%d", idx); |
| if (res < 0 || (size_t) res >= sizeof(field)) |
| return; |
| value = wpa_config_get(ssid, field); |
| if (value) { |
| fprintf(f, "\t%s=%s\n", field, value); |
| os_free(value); |
| } |
| } |
| |
| |
| #ifdef CONFIG_P2P |
| |
| static void write_go_p2p_dev_addr(FILE *f, struct wpa_ssid *ssid) |
| { |
| char *value = wpa_config_get(ssid, "go_p2p_dev_addr"); |
| if (value == NULL) |
| return; |
| fprintf(f, "\tgo_p2p_dev_addr=%s\n", value); |
| os_free(value); |
| } |
| |
| static void write_p2p_client_list(FILE *f, struct wpa_ssid *ssid) |
| { |
| char *value = wpa_config_get(ssid, "p2p_client_list"); |
| if (value == NULL) |
| return; |
| fprintf(f, "\tp2p_client_list=%s\n", value); |
| os_free(value); |
| } |
| |
| |
| static void write_psk_list(FILE *f, struct wpa_ssid *ssid) |
| { |
| struct psk_list_entry *psk; |
| char hex[32 * 2 + 1]; |
| |
| dl_list_for_each(psk, &ssid->psk_list, struct psk_list_entry, list) { |
| wpa_snprintf_hex(hex, sizeof(hex), psk->psk, sizeof(psk->psk)); |
| fprintf(f, "\tpsk_list=%s" MACSTR "-%s\n", |
| psk->p2p ? "P2P-" : "", MAC2STR(psk->addr), hex); |
| } |
| } |
| |
| #endif /* CONFIG_P2P */ |
| |
| |
| static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid) |
| { |
| int i; |
| |
| #define STR(t) write_str(f, #t, ssid) |
| #define INT(t) write_int(f, #t, ssid->t, 0) |
| #define INTe(t) write_int(f, #t, ssid->eap.t, 0) |
| #define INT_DEF(t, def) write_int(f, #t, ssid->t, def) |
| #define INT_DEFe(t, def) write_int(f, #t, ssid->eap.t, def) |
| |
| STR(ssid); |
| INT(scan_ssid); |
| write_bssid(f, ssid); |
| write_psk(f, ssid); |
| write_proto(f, ssid); |
| write_key_mgmt(f, ssid); |
| INT_DEF(bg_scan_period, DEFAULT_BG_SCAN_PERIOD); |
| write_pairwise(f, ssid); |
| write_group(f, ssid); |
| write_auth_alg(f, ssid); |
| STR(bgscan); |
| STR(autoscan); |
| STR(scan_freq); |
| #ifdef IEEE8021X_EAPOL |
| write_eap(f, ssid); |
| STR(identity); |
| STR(anonymous_identity); |
| STR(password); |
| STR(ca_cert); |
| STR(ca_path); |
| STR(client_cert); |
| STR(private_key); |
| STR(private_key_passwd); |
| STR(dh_file); |
| STR(subject_match); |
| STR(altsubject_match); |
| STR(domain_suffix_match); |
| STR(ca_cert2); |
| STR(ca_path2); |
| STR(client_cert2); |
| STR(private_key2); |
| STR(private_key2_passwd); |
| STR(dh_file2); |
| STR(subject_match2); |
| STR(altsubject_match2); |
| STR(domain_suffix_match2); |
| STR(phase1); |
| STR(phase2); |
| STR(pcsc); |
| STR(pin); |
| STR(engine_id); |
| STR(key_id); |
| STR(cert_id); |
| STR(ca_cert_id); |
| STR(key2_id); |
| STR(pin2); |
| STR(engine2_id); |
| STR(cert2_id); |
| STR(ca_cert2_id); |
| INTe(engine); |
| INTe(engine2); |
| INT_DEF(eapol_flags, DEFAULT_EAPOL_FLAGS); |
| #endif /* IEEE8021X_EAPOL */ |
| for (i = 0; i < 4; i++) |
| write_wep_key(f, i, ssid); |
| INT(wep_tx_keyidx); |
| INT(priority); |
| #ifdef IEEE8021X_EAPOL |
| INT_DEF(eap_workaround, DEFAULT_EAP_WORKAROUND); |
| STR(pac_file); |
| INT_DEFe(fragment_size, DEFAULT_FRAGMENT_SIZE); |
| #endif /* IEEE8021X_EAPOL */ |
| INT(mode); |
| INT(frequency); |
| write_int(f, "proactive_key_caching", ssid->proactive_key_caching, -1); |
| INT(disabled); |
| INT(peerkey); |
| #ifdef CONFIG_IEEE80211W |
| write_int(f, "ieee80211w", ssid->ieee80211w, |
| MGMT_FRAME_PROTECTION_DEFAULT); |
| #endif /* CONFIG_IEEE80211W */ |
| STR(id_str); |
| #ifdef CONFIG_P2P |
| write_go_p2p_dev_addr(f, ssid); |
| write_p2p_client_list(f, ssid); |
| write_psk_list(f, ssid); |
| #endif /* CONFIG_P2P */ |
| INT(dtim_period); |
| INT(beacon_int); |
| |
| #undef STR |
| #undef INT |
| #undef INT_DEF |
| } |
| |
| |
| static void wpa_config_write_cred(FILE *f, struct wpa_cred *cred) |
| { |
| size_t i; |
| |
| if (cred->priority) |
| fprintf(f, "\tpriority=%d\n", cred->priority); |
| if (cred->pcsc) |
| fprintf(f, "\tpcsc=%d\n", cred->pcsc); |
| if (cred->realm) |
| fprintf(f, "\trealm=\"%s\"\n", cred->realm); |
| if (cred->username) |
| fprintf(f, "\tusername=\"%s\"\n", cred->username); |
| if (cred->password && cred->ext_password) |
| fprintf(f, "\tpassword=ext:%s\n", cred->password); |
| else if (cred->password) |
| fprintf(f, "\tpassword=\"%s\"\n", cred->password); |
| if (cred->ca_cert) |
| fprintf(f, "\tca_cert=\"%s\"\n", cred->ca_cert); |
| if (cred->client_cert) |
| fprintf(f, "\tclient_cert=\"%s\"\n", cred->client_cert); |
| if (cred->private_key) |
| fprintf(f, "\tprivate_key=\"%s\"\n", cred->private_key); |
| if (cred->private_key_passwd) |
| fprintf(f, "\tprivate_key_passwd=\"%s\"\n", |
| cred->private_key_passwd); |
| if (cred->imsi) |
| fprintf(f, "\timsi=\"%s\"\n", cred->imsi); |
| if (cred->milenage) |
| fprintf(f, "\tmilenage=\"%s\"\n", cred->milenage); |
| for (i = 0; i < cred->num_domain; i++) |
| fprintf(f, "\tdomain=\"%s\"\n", cred->domain[i]); |
| if (cred->domain_suffix_match) |
| fprintf(f, "\tdomain_suffix_match=\"%s\"", |
| cred->domain_suffix_match); |
| if (cred->roaming_consortium_len) { |
| fprintf(f, "\troaming_consortium="); |
| for (i = 0; i < cred->roaming_consortium_len; i++) |
| fprintf(f, "%02x", cred->roaming_consortium[i]); |
| fprintf(f, "\n"); |
| } |
| if (cred->eap_method) { |
| const char *name; |
| name = eap_get_name(cred->eap_method[0].vendor, |
| cred->eap_method[0].method); |
| fprintf(f, "\teap=%s\n", name); |
| } |
| if (cred->phase1) |
| fprintf(f, "\tphase1=\"%s\"\n", cred->phase1); |
| if (cred->phase2) |
| fprintf(f, "\tphase2=\"%s\"\n", cred->phase2); |
| if (cred->excluded_ssid) { |
| size_t j; |
| for (i = 0; i < cred->num_excluded_ssid; i++) { |
| struct excluded_ssid *e = &cred->excluded_ssid[i]; |
| fprintf(f, "\texcluded_ssid="); |
| for (j = 0; j < e->ssid_len; j++) |
| fprintf(f, "%02x", e->ssid[j]); |
| fprintf(f, "\n"); |
| } |
| } |
| if (cred->roaming_partner) { |
| for (i = 0; i < cred->num_roaming_partner; i++) { |
| struct roaming_partner *p = &cred->roaming_partner[i]; |
| fprintf(f, "\troaming_partner=\"%s,%d,%u,%s\"\n", |
| p->fqdn, p->exact_match, p->priority, |
| p->country); |
| } |
| } |
| if (cred->update_identifier) |
| fprintf(f, "\tupdate_identifier=%d\n", cred->update_identifier); |
| |
| if (cred->provisioning_sp) |
| fprintf(f, "\tprovisioning_sp=%s\n", cred->provisioning_sp); |
| if (cred->sp_priority) |
| fprintf(f, "\tsp_priority=%d\n", cred->sp_priority); |
| |
| if (cred->min_dl_bandwidth_home) |
| fprintf(f, "\tmin_dl_bandwidth_home=%u\n", |
| cred->min_dl_bandwidth_home); |
| if (cred->min_ul_bandwidth_home) |
| fprintf(f, "\tmin_ul_bandwidth_home=%u\n", |
| cred->min_ul_bandwidth_home); |
| if (cred->min_dl_bandwidth_roaming) |
| fprintf(f, "\tmin_dl_bandwidth_roaming=%u\n", |
| cred->min_dl_bandwidth_roaming); |
| if (cred->min_ul_bandwidth_roaming) |
| fprintf(f, "\tmin_ul_bandwidth_roaming=%u\n", |
| cred->min_ul_bandwidth_roaming); |
| |
| if (cred->max_bss_load) |
| fprintf(f, "\tmax_bss_load=%u\n", |
| cred->max_bss_load); |
| |
| if (cred->ocsp) |
| fprintf(f, "\tocsp=%d\n", cred->ocsp); |
| } |
| |
| |
| #ifndef CONFIG_NO_CONFIG_BLOBS |
| static int wpa_config_write_blob(FILE *f, struct wpa_config_blob *blob) |
| { |
| unsigned char *encoded; |
| |
| encoded = base64_encode(blob->data, blob->len, NULL); |
| if (encoded == NULL) |
| return -1; |
| |
| fprintf(f, "\nblob-base64-%s={\n%s}\n", blob->name, encoded); |
| os_free(encoded); |
| return 0; |
| } |
| #endif /* CONFIG_NO_CONFIG_BLOBS */ |
| |
| |
| static void write_global_bin(FILE *f, const char *field, |
| const struct wpabuf *val) |
| { |
| size_t i; |
| const u8 *pos; |
| |
| if (val == NULL) |
| return; |
| |
| fprintf(f, "%s=", field); |
| pos = wpabuf_head(val); |
| for (i = 0; i < wpabuf_len(val); i++) |
| fprintf(f, "%02X", *pos++); |
| fprintf(f, "\n"); |
| } |
| |
| |
| static void wpa_config_write_global(FILE *f, struct wpa_config *config) |
| { |
| #ifdef CONFIG_CTRL_IFACE |
| if (config->ctrl_interface) |
| fprintf(f, "ctrl_interface=%s\n", config->ctrl_interface); |
| if (config->ctrl_interface_group) |
| fprintf(f, "ctrl_interface_group=%s\n", |
| config->ctrl_interface_group); |
| #endif /* CONFIG_CTRL_IFACE */ |
| if (config->eapol_version != DEFAULT_EAPOL_VERSION) |
| fprintf(f, "eapol_version=%d\n", config->eapol_version); |
| if (config->ap_scan != DEFAULT_AP_SCAN) |
| fprintf(f, "ap_scan=%d\n", config->ap_scan); |
| if (config->disable_scan_offload) |
| fprintf(f, "disable_scan_offload=%d\n", |
| config->disable_scan_offload); |
| if (config->fast_reauth != DEFAULT_FAST_REAUTH) |
| fprintf(f, "fast_reauth=%d\n", config->fast_reauth); |
| if (config->opensc_engine_path) |
| fprintf(f, "opensc_engine_path=%s\n", |
| config->opensc_engine_path); |
| if (config->pkcs11_engine_path) |
| fprintf(f, "pkcs11_engine_path=%s\n", |
| config->pkcs11_engine_path); |
| if (config->pkcs11_module_path) |
| fprintf(f, "pkcs11_module_path=%s\n", |
| config->pkcs11_module_path); |
| if (config->pcsc_reader) |
| fprintf(f, "pcsc_reader=%s\n", config->pcsc_reader); |
| if (config->pcsc_pin) |
| fprintf(f, "pcsc_pin=%s\n", config->pcsc_pin); |
| if (config->driver_param) |
| fprintf(f, "driver_param=%s\n", config->driver_param); |
| if (config->dot11RSNAConfigPMKLifetime) |
| fprintf(f, "dot11RSNAConfigPMKLifetime=%d\n", |
| config->dot11RSNAConfigPMKLifetime); |
| if (config->dot11RSNAConfigPMKReauthThreshold) |
| fprintf(f, "dot11RSNAConfigPMKReauthThreshold=%d\n", |
| config->dot11RSNAConfigPMKReauthThreshold); |
| if (config->dot11RSNAConfigSATimeout) |
| fprintf(f, "dot11RSNAConfigSATimeout=%d\n", |
| config->dot11RSNAConfigSATimeout); |
| if (config->update_config) |
| fprintf(f, "update_config=%d\n", config->update_config); |
| #ifdef CONFIG_WPS |
| if (!is_nil_uuid(config->uuid)) { |
| char buf[40]; |
| uuid_bin2str(config->uuid, buf, sizeof(buf)); |
| fprintf(f, "uuid=%s\n", buf); |
| } |
| if (config->device_name) |
| fprintf(f, "device_name=%s\n", config->device_name); |
| if (config->manufacturer) |
| fprintf(f, "manufacturer=%s\n", config->manufacturer); |
| if (config->model_name) |
| fprintf(f, "model_name=%s\n", config->model_name); |
| if (config->model_number) |
| fprintf(f, "model_number=%s\n", config->model_number); |
| if (config->serial_number) |
| fprintf(f, "serial_number=%s\n", config->serial_number); |
| { |
| char _buf[WPS_DEV_TYPE_BUFSIZE], *buf; |
| buf = wps_dev_type_bin2str(config->device_type, |
| _buf, sizeof(_buf)); |
| if (os_strcmp(buf, "0-00000000-0") != 0) |
| fprintf(f, "device_type=%s\n", buf); |
| } |
| if (WPA_GET_BE32(config->os_version)) |
| fprintf(f, "os_version=%08x\n", |
| WPA_GET_BE32(config->os_version)); |
| if (config->config_methods) |
| fprintf(f, "config_methods=%s\n", config->config_methods); |
| if (config->wps_cred_processing) |
| fprintf(f, "wps_cred_processing=%d\n", |
| config->wps_cred_processing); |
| if (config->wps_vendor_ext_m1) { |
| int i, len = wpabuf_len(config->wps_vendor_ext_m1); |
| const u8 *p = wpabuf_head_u8(config->wps_vendor_ext_m1); |
| if (len > 0) { |
| fprintf(f, "wps_vendor_ext_m1="); |
| for (i = 0; i < len; i++) |
| fprintf(f, "%02x", *p++); |
| fprintf(f, "\n"); |
| } |
| } |
| #endif /* CONFIG_WPS */ |
| #ifdef CONFIG_P2P |
| if (config->p2p_listen_reg_class) |
| fprintf(f, "p2p_listen_reg_class=%u\n", |
| config->p2p_listen_reg_class); |
| if (config->p2p_listen_channel) |
| fprintf(f, "p2p_listen_channel=%u\n", |
| config->p2p_listen_channel); |
| if (config->p2p_oper_reg_class) |
| fprintf(f, "p2p_oper_reg_class=%u\n", |
| config->p2p_oper_reg_class); |
| if (config->p2p_oper_channel) |
| fprintf(f, "p2p_oper_channel=%u\n", config->p2p_oper_channel); |
| if (config->p2p_go_intent != DEFAULT_P2P_GO_INTENT) |
| fprintf(f, "p2p_go_intent=%u\n", config->p2p_go_intent); |
| if (config->p2p_ssid_postfix) |
| fprintf(f, "p2p_ssid_postfix=%s\n", config->p2p_ssid_postfix); |
| if (config->persistent_reconnect) |
| fprintf(f, "persistent_reconnect=%u\n", |
| config->persistent_reconnect); |
| if (config->p2p_intra_bss != DEFAULT_P2P_INTRA_BSS) |
| fprintf(f, "p2p_intra_bss=%u\n", config->p2p_intra_bss); |
| if (config->p2p_group_idle) |
| fprintf(f, "p2p_group_idle=%u\n", config->p2p_group_idle); |
| if (config->p2p_pref_chan) { |
| unsigned int i; |
| fprintf(f, "p2p_pref_chan="); |
| for (i = 0; i < config->num_p2p_pref_chan; i++) { |
| fprintf(f, "%s%u:%u", i > 0 ? "," : "", |
| config->p2p_pref_chan[i].op_class, |
| config->p2p_pref_chan[i].chan); |
| } |
| fprintf(f, "\n"); |
| } |
| if (config->p2p_no_go_freq.num) { |
| char *val = freq_range_list_str(&config->p2p_no_go_freq); |
| if (val) { |
| fprintf(f, "p2p_no_go_freq=%s\n", val); |
| os_free(val); |
| } |
| } |
| if (config->p2p_add_cli_chan) |
| fprintf(f, "p2p_add_cli_chan=%d\n", config->p2p_add_cli_chan); |
| if (config->p2p_go_ht40) |
| fprintf(f, "p2p_go_ht40=%u\n", config->p2p_go_ht40); |
| if (config->p2p_go_vht) |
| fprintf(f, "p2p_go_vht=%u\n", config->p2p_go_vht); |
| if (config->p2p_disabled) |
| fprintf(f, "p2p_disabled=%u\n", config->p2p_disabled); |
| if (config->p2p_no_group_iface) |
| fprintf(f, "p2p_no_group_iface=%u\n", |
| config->p2p_no_group_iface); |
| if (config->p2p_ignore_shared_freq) |
| fprintf(f, "p2p_ignore_shared_freq=%u\n", |
| config->p2p_ignore_shared_freq); |
| #endif /* CONFIG_P2P */ |
| if (config->country[0] && config->country[1]) { |
| fprintf(f, "country=%c%c\n", |
| config->country[0], config->country[1]); |
| } |
| if (config->bss_max_count != DEFAULT_BSS_MAX_COUNT) |
| fprintf(f, "bss_max_count=%u\n", config->bss_max_count); |
| if (config->bss_expiration_age != DEFAULT_BSS_EXPIRATION_AGE) |
| fprintf(f, "bss_expiration_age=%u\n", |
| config->bss_expiration_age); |
| if (config->bss_expiration_scan_count != |
| DEFAULT_BSS_EXPIRATION_SCAN_COUNT) |
| fprintf(f, "bss_expiration_scan_count=%u\n", |
| config->bss_expiration_scan_count); |
| if (config->filter_ssids) |
| fprintf(f, "filter_ssids=%d\n", config->filter_ssids); |
| if (config->max_num_sta != DEFAULT_MAX_NUM_STA) |
| fprintf(f, "max_num_sta=%u\n", config->max_num_sta); |
| if (config->disassoc_low_ack) |
| fprintf(f, "disassoc_low_ack=%u\n", config->disassoc_low_ack); |
| #ifdef CONFIG_HS20 |
| if (config->hs20) |
| fprintf(f, "hs20=1\n"); |
| #endif /* CONFIG_HS20 */ |
| #ifdef CONFIG_INTERWORKING |
| if (config->interworking) |
| fprintf(f, "interworking=%u\n", config->interworking); |
| if (!is_zero_ether_addr(config->hessid)) |
| fprintf(f, "hessid=" MACSTR "\n", MAC2STR(config->hessid)); |
| if (config->access_network_type != DEFAULT_ACCESS_NETWORK_TYPE) |
| fprintf(f, "access_network_type=%d\n", |
| config->access_network_type); |
| #endif /* CONFIG_INTERWORKING */ |
| if (config->pbc_in_m1) |
| fprintf(f, "pbc_in_m1=%u\n", config->pbc_in_m1); |
| if (config->wps_nfc_pw_from_config) { |
| if (config->wps_nfc_dev_pw_id) |
| fprintf(f, "wps_nfc_dev_pw_id=%d\n", |
| config->wps_nfc_dev_pw_id); |
| write_global_bin(f, "wps_nfc_dh_pubkey", |
| config->wps_nfc_dh_pubkey); |
| write_global_bin(f, "wps_nfc_dh_privkey", |
| config->wps_nfc_dh_privkey); |
| write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw); |
| } |
| |
| if (config->ext_password_backend) |
| fprintf(f, "ext_password_backend=%s\n", |
| config->ext_password_backend); |
| if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY) |
| fprintf(f, "p2p_go_max_inactivity=%d\n", |
| config->p2p_go_max_inactivity); |
| if (config->auto_interworking) |
| fprintf(f, "auto_interworking=%d\n", |
| config->auto_interworking); |
| if (config->okc) |
| fprintf(f, "okc=%d\n", config->okc); |
| if (config->pmf) |
| fprintf(f, "pmf=%d\n", config->pmf); |
| if (config->dtim_period) |
| fprintf(f, "dtim_period=%d\n", config->dtim_period); |
| if (config->beacon_int) |
| fprintf(f, "beacon_int=%d\n", config->beacon_int); |
| |
| if (config->sae_groups) { |
| int i; |
| fprintf(f, "sae_groups="); |
| for (i = 0; config->sae_groups[i] >= 0; i++) { |
| fprintf(f, "%s%d", i > 0 ? " " : "", |
| config->sae_groups[i]); |
| } |
| fprintf(f, "\n"); |
| } |
| |
| if (config->ap_vendor_elements) { |
| int i, len = wpabuf_len(config->ap_vendor_elements); |
| const u8 *p = wpabuf_head_u8(config->ap_vendor_elements); |
| if (len > 0) { |
| fprintf(f, "ap_vendor_elements="); |
| for (i = 0; i < len; i++) |
| fprintf(f, "%02x", *p++); |
| fprintf(f, "\n"); |
| } |
| } |
| |
| if (config->ignore_old_scan_res) |
| fprintf(f, "ignore_old_scan_res=%d\n", |
| config->ignore_old_scan_res); |
| |
| if (config->freq_list && config->freq_list[0]) { |
| int i; |
| fprintf(f, "freq_list="); |
| for (i = 0; config->freq_list[i]; i++) { |
| fprintf(f, "%s%u", i > 0 ? " " : "", |
| config->freq_list[i]); |
| } |
| fprintf(f, "\n"); |
| } |
| if (config->scan_cur_freq != DEFAULT_SCAN_CUR_FREQ) |
| fprintf(f, "scan_cur_freq=%d\n", config->scan_cur_freq); |
| |
| if (config->sched_scan_interval) |
| fprintf(f, "sched_scan_interval=%u\n", |
| config->sched_scan_interval); |
| |
| if (config->external_sim) |
| fprintf(f, "external_sim=%d\n", config->external_sim); |
| |
| if (config->tdls_external_control) |
| fprintf(f, "tdls_external_control=%d\n", |
| config->tdls_external_control); |
| } |
| |
| #endif /* CONFIG_NO_CONFIG_WRITE */ |
| |
| |
| int wpa_config_write(const char *name, struct wpa_config *config) |
| { |
| #ifndef CONFIG_NO_CONFIG_WRITE |
| FILE *f; |
| struct wpa_ssid *ssid; |
| struct wpa_cred *cred; |
| #ifndef CONFIG_NO_CONFIG_BLOBS |
| struct wpa_config_blob *blob; |
| #endif /* CONFIG_NO_CONFIG_BLOBS */ |
| int ret = 0; |
| |
| wpa_printf(MSG_DEBUG, "Writing configuration file '%s'", name); |
| |
| f = fopen(name, "w"); |
| if (f == NULL) { |
| wpa_printf(MSG_DEBUG, "Failed to open '%s' for writing", name); |
| return -1; |
| } |
| |
| wpa_config_write_global(f, config); |
| |
| for (cred = config->cred; cred; cred = cred->next) { |
| if (cred->temporary) |
| continue; |
| fprintf(f, "\ncred={\n"); |
| wpa_config_write_cred(f, cred); |
| fprintf(f, "}\n"); |
| } |
| |
| for (ssid = config->ssid; ssid; ssid = ssid->next) { |
| if (ssid->key_mgmt == WPA_KEY_MGMT_WPS || ssid->temporary) |
| continue; /* do not save temporary networks */ |
| if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set && |
| !ssid->passphrase) |
| continue; /* do not save invalid network */ |
| fprintf(f, "\nnetwork={\n"); |
| wpa_config_write_network(f, ssid); |
| fprintf(f, "}\n"); |
| } |
| |
| #ifndef CONFIG_NO_CONFIG_BLOBS |
| for (blob = config->blobs; blob; blob = blob->next) { |
| ret = wpa_config_write_blob(f, blob); |
| if (ret) |
| break; |
| } |
| #endif /* CONFIG_NO_CONFIG_BLOBS */ |
| |
| fclose(f); |
| |
| wpa_printf(MSG_DEBUG, "Configuration file '%s' written %ssuccessfully", |
| name, ret ? "un" : ""); |
| return ret; |
| #else /* CONFIG_NO_CONFIG_WRITE */ |
| return -1; |
| #endif /* CONFIG_NO_CONFIG_WRITE */ |
| } |