Esempio n. 1
0
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;
}
Esempio n. 2
0
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;
	cred->sim_num = DEFAULT_USER_SELECTED_SIM;

	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;
}
Esempio n. 3
0
static struct wps_config * wpa_config_read_wps_property(FILE *f, int *line)
{
	struct wps_config *wps;
	int errors = 0, end = 0;
	char buf[256], *pos, *pos2;

	wpa_printf(MSG_MSGDUMP, "Line: %d - start of a wps_property block",
		   *line);
	wps = wpa_zalloc(sizeof(*wps));
	if (wps == NULL)
		return NULL;

	while (wpa_config_get_line(buf, sizeof(buf), f, line, &pos)) {
		if (strcmp(pos, "}") == 0) {
			end = 1;
			break;
		}

		pos2 = os_strchr(pos, '=');
		if (pos2 == NULL) {
			wpa_printf(MSG_ERROR, "Line %d: Invalid property 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 (wps_config_set(wps, pos, pos2, *line) < 0)
			errors++;
	}

	if (!end) {
		wpa_printf(MSG_ERROR, "Line %d: wps_property block was not "
			   "terminated properly.", *line);
		errors++;
	}

	if (errors) {
		wpa_config_free_wps_config(wps);
		wps = NULL;
	}

	return wps;
}
struct wpa_config * wpa_config_read(const char *name)
{
	FILE *f;
	char buf[256], *pos;
	int errors = 0, line = 0;
	struct wpa_ssid *ssid, *tail = NULL, *head = NULL;
	struct wpa_config *config;
	int id = 0;

	config = wpa_config_alloc_empty(NULL, NULL);
	if (config == NULL)
		return NULL;
	wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
	f = fopen(name, "r");
	if (f == NULL) {
		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);
#ifndef WPA_IGNORE_CONFIG_ERRORS
				errors++;
#endif
				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;
			}
#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) {
				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);

#ifndef WPA_IGNORE_CONFIG_ERRORS
	if (errors) {
		wpa_config_free(config);
		config = NULL;
		head = NULL;
	}
#endif

	return config;
}
Esempio n. 5
0
struct wpa_config * wpa_config_read(const char *name)
{
	FILE *f;
	char buf[256], *pos;
	int errors = 0, line = 0;
	struct wpa_ssid *ssid, *tail = NULL, *head = NULL;
	struct wpa_config *config;
	int id = 0;
    long lSize;

	config = wpa_config_alloc_empty(NULL, NULL);
	if (config == NULL)
		return NULL;
	wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
	f = fopen(name, "r");
	if (f == NULL) {
		os_free(config);
		return NULL;
	}
    
#if 1 /* Check the config file, if file size is too small, delete it and use default config file at next start */
    fseek (f , 0 , SEEK_END);
    lSize = ftell (f);
    rewind (f);

    /* Make sure the file size has baisc filed */
    if (lSize < 30) {
        fclose(f);
        if( remove( name ) != 0 )
            wpa_printf(MSG_WARNING, "Error deleting file %s", name );
        else
            wpa_printf(MSG_WARNING, "File successfully deleted %s", name );

        os_free(config);
        return NULL;
    }
#endif

	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;
			}
#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) {
				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);

#ifndef WPA_IGNORE_CONFIG_ERRORS
	if (errors) {
		wpa_config_free(config);
		config = NULL;
		head = NULL;
	}
#endif /* WPA_IGNORE_CONFIG_ERRORS */

	return config;
}
Esempio n. 6
0
struct wpa_config * wpa_config_read(const char *name)
{
	FILE *f;
	char buf[256], *pos;
	int errors = 0, line = 0;
	struct wpa_ssid *ssid, *tail = NULL, *head = NULL;
	struct wpa_config *config;
	int id = 0;

#ifdef EAP_WPS
#ifndef USE_INTEL_SDK
	struct wps_config *wps;
#endif /* USE_INTEL_SDK */
#endif /* EAP_WPS */

	config = wpa_config_alloc_empty(NULL, NULL);
	if (config == NULL)
		return NULL;
	wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
	f = fopen(name, "r");
	if (f == NULL) {
		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_strncmp(pos, "blob-base64-", 12) == 0) {
			char *bname = pos + 12, *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);
				errors++;
				continue;
			}
			*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);
				errors++;
				continue;
			}
			wpa_config_set_blob(config, blob);
#ifdef CONFIG_CTRL_IFACE
		} else if (os_strncmp(pos, "ctrl_interface=", 15) == 0) {
			os_free(config->ctrl_interface);
			config->ctrl_interface = os_strdup(pos + 15);
			wpa_printf(MSG_DEBUG, "ctrl_interface='%s'",
				   config->ctrl_interface);
		} else if (os_strncmp(pos, "ctrl_interface_group=", 21) == 0) {
			os_free(config->ctrl_interface_group);
			config->ctrl_interface_group = os_strdup(pos + 21);
			wpa_printf(MSG_DEBUG, "ctrl_interface_group='%s' "
				   "(DEPRECATED)",
				   config->ctrl_interface_group);
#endif /* CONFIG_CTRL_IFACE */
		} else if (os_strncmp(pos, "eapol_version=", 14) == 0) {
			config->eapol_version = atoi(pos + 14);
			if (config->eapol_version < 1 ||
			    config->eapol_version > 2) {
				wpa_printf(MSG_ERROR, "Line %d: Invalid EAPOL "
					   "version (%d): '%s'.",
					   line, config->eapol_version, pos);
				errors++;
				continue;
			}
			wpa_printf(MSG_DEBUG, "eapol_version=%d",
				   config->eapol_version);
		} else if (os_strncmp(pos, "ap_scan=", 8) == 0) {
			config->ap_scan = atoi(pos + 8);
			wpa_printf(MSG_DEBUG, "ap_scan=%d", config->ap_scan);
		} else if (os_strncmp(pos, "fast_reauth=", 12) == 0) {
			config->fast_reauth = atoi(pos + 12);
			wpa_printf(MSG_DEBUG, "fast_reauth=%d",
				   config->fast_reauth);
		} else if (os_strncmp(pos, "opensc_engine_path=", 19) == 0) {
			os_free(config->opensc_engine_path);
			config->opensc_engine_path = os_strdup(pos + 19);
			wpa_printf(MSG_DEBUG, "opensc_engine_path='%s'",
				   config->opensc_engine_path);
		} else if (os_strncmp(pos, "pkcs11_engine_path=", 19) == 0) {
			os_free(config->pkcs11_engine_path);
			config->pkcs11_engine_path = os_strdup(pos + 19);
			wpa_printf(MSG_DEBUG, "pkcs11_engine_path='%s'",
				   config->pkcs11_engine_path);
		} else if (os_strncmp(pos, "pkcs11_module_path=", 19) == 0) {
			os_free(config->pkcs11_module_path);
			config->pkcs11_module_path = os_strdup(pos + 19);
			wpa_printf(MSG_DEBUG, "pkcs11_module_path='%s'",
				   config->pkcs11_module_path);
		} else if (os_strncmp(pos, "driver_param=", 13) == 0) {
			os_free(config->driver_param);
			config->driver_param = os_strdup(pos + 13);
			wpa_printf(MSG_DEBUG, "driver_param='%s'",
				   config->driver_param);
		} else if (os_strncmp(pos, "dot11RSNAConfigPMKLifetime=", 27)
			   == 0) {
			config->dot11RSNAConfigPMKLifetime = atoi(pos + 27);
			wpa_printf(MSG_DEBUG, "dot11RSNAConfigPMKLifetime=%d",
				   config->dot11RSNAConfigPMKLifetime);
		} else if (os_strncmp(pos,
				      "dot11RSNAConfigPMKReauthThreshold=", 34)
			   == 0) {
			config->dot11RSNAConfigPMKReauthThreshold =
				atoi(pos + 34);
			wpa_printf(MSG_DEBUG,
				   "dot11RSNAConfigPMKReauthThreshold=%d",
				   config->dot11RSNAConfigPMKReauthThreshold);
		} else if (os_strncmp(pos, "dot11RSNAConfigSATimeout=", 25) ==
			   0) {
			config->dot11RSNAConfigSATimeout = atoi(pos + 25);
			wpa_printf(MSG_DEBUG, "dot11RSNAConfigSATimeout=%d",
				   config->dot11RSNAConfigSATimeout);
		} else if (os_strncmp(pos, "update_config=", 14) == 0) {
			config->update_config = atoi(pos + 14);
			wpa_printf(MSG_DEBUG, "update_config=%d",
				   config->update_config);
		} else if (os_strncmp(pos, "load_dynamic_eap=", 17) == 0) {
			char *so = pos + 17;
			int ret;
			wpa_printf(MSG_DEBUG, "load_dynamic_eap=%s", so);
			ret = eap_peer_method_load(so);
			if (ret == -2) {
				wpa_printf(MSG_DEBUG, "This EAP type was "
					   "already loaded - not reloading.");
			} else if (ret) {
				wpa_printf(MSG_ERROR, "Line %d: Failed to "
					   "load dynamic EAP method '%s'.",
					   line, so);
				errors++;
			}
#ifdef EAP_WPS
#ifndef USE_INTEL_SDK
		} else if (os_strcmp(pos, "wps_property={") == 0) {
			wps = wpa_config_read_wps_property(f, &line);
			if (config->wps) {
				if (wps)
					os_free(wps);
				wpa_printf(MSG_ERROR, "Line %d: Failed to "
					   "set multiple WPS properties.", line);
				errors++;
				continue;
			} else if (!wps) {
				wpa_printf(MSG_ERROR, "Line %d: failed to "
					   "parse wps_property block.", line);
				errors++;
				continue;
			}
			config->wps = wps;
#endif /* USE_INTEL_SDK */
#endif /* EAP_WPS */
		} else {
			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);

	if (errors) {
		wpa_config_free(config);
		config = NULL;
		head = NULL;
	}

	return config;
}
Esempio n. 7
0
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, *head;
	struct wpa_cred *cred, *cred_tail, *cred_head;
	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;
	}
	tail = head = config->ssid;
	while (tail && tail->next)
		tail = tail->next;
	cred_tail = cred_head = config->cred;
	while (cred_tail && cred_tail->next)
		cred_tail = cred_tail->next;

	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;
}
Esempio n. 8
0
/**
 * wpa_config_read - Read and parse a configuration file
 * @config_file: Path and file name for the configuration file
 * Returns: Pointer to allocated configuration data or %NULL on failure
 *
 * This function reads a configuration file, parses its contents, and allocates
 * data structures needed for storing configuration information. The allocated
 * data can be freed with wpa_config_free().
 */
struct wpa_config * wpa_config_read(const char *config_file)
{
	FILE *f;
	char buf[256], *pos;
	int errors = 0, line = 0;
	struct wpa_ssid *ssid, *tail = NULL, *head = NULL;
	struct wpa_config *config;
	int id = 0, prio;

	config = malloc(sizeof(*config));
	if (config == NULL)
		return NULL;
	memset(config, 0, sizeof(*config));
	config->eapol_version = 1;
	config->ap_scan = 1;
	config->fast_reauth = 1;
	wpa_printf(MSG_DEBUG, "Reading configuration file '%s'",
		   config_file);
	f = fopen(config_file, "r");
	if (f == NULL) {
		free(config);
		return NULL;
	}

	while ((pos = wpa_config_get_line(buf, sizeof(buf), f, &line))) {
		if (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;
			}
#ifdef CONFIG_CTRL_IFACE
		} else if (strncmp(pos, "ctrl_interface=", 15) == 0) {
			free(config->ctrl_interface);
			config->ctrl_interface = strdup(pos + 15);
			wpa_printf(MSG_DEBUG, "ctrl_interface='%s'",
				   config->ctrl_interface);
#ifndef CONFIG_CTRL_IFACE_UDP
		} else if (strncmp(pos, "ctrl_interface_group=", 21) == 0) {
			struct group *grp;
			char *endp;
			const char *group = pos + 21;

			grp = getgrnam(group);
			if (grp) {
				config->ctrl_interface_gid = grp->gr_gid;
				config->ctrl_interface_gid_set = 1;
				wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
					   " (from group name '%s')",
					   (int) config->ctrl_interface_gid, 
					   group);
				continue;
			}

			/* Group name not found - try to parse this as gid */
			config->ctrl_interface_gid = strtol(group, &endp, 10);
			if (*group == '\0' || *endp != '\0') {
				wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
					   "'%s'", line, group);
				errors++;
				continue;
			}
			config->ctrl_interface_gid_set = 1;
			wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
				   (int) config->ctrl_interface_gid);
#endif /* CONFIG_CTRL_IFACE_UDP */
#endif /* CONFIG_CTRL_IFACE */
		} else if (strncmp(pos, "eapol_version=", 14) == 0) {
			config->eapol_version = atoi(pos + 14);
			if (config->eapol_version < 1 ||
			    config->eapol_version > 2) {
				wpa_printf(MSG_ERROR, "Line %d: Invalid EAPOL "
					   "version (%d): '%s'.",
					   line, config->eapol_version, pos);
				errors++;
				continue;
			}
			wpa_printf(MSG_DEBUG, "eapol_version=%d",
				   config->eapol_version);
		} else if (strncmp(pos, "ap_scan=", 8) == 0) {
			config->ap_scan = atoi(pos + 8);
			wpa_printf(MSG_DEBUG, "ap_scan=%d", config->ap_scan);
		} else if (strncmp(pos, "fast_reauth=", 12) == 0) {
			config->fast_reauth = atoi(pos + 12);
			wpa_printf(MSG_DEBUG, "fast_reauth=%d",
				   config->fast_reauth);
		} else if (strncmp(pos, "opensc_engine_path=", 19) == 0) {
			free(config->opensc_engine_path);
			config->opensc_engine_path = strdup(pos + 19);
			wpa_printf(MSG_DEBUG, "opensc_engine_path='%s'",
				   config->opensc_engine_path);
		} else if (strncmp(pos, "pkcs11_engine_path=", 19) == 0) {
			free(config->pkcs11_engine_path);
			config->pkcs11_engine_path = strdup(pos + 19);
			wpa_printf(MSG_DEBUG, "pkcs11_engine_path='%s'",
				   config->pkcs11_engine_path);
		} else if (strncmp(pos, "pkcs11_module_path=", 19) == 0) {
			free(config->pkcs11_module_path);
			config->pkcs11_module_path = strdup(pos + 19);
			wpa_printf(MSG_DEBUG, "pkcs11_module_path='%s'",
				   config->pkcs11_module_path);
		} else if (strncmp(pos, "driver_param=", 13) == 0) {
			free(config->driver_param);
			config->driver_param = strdup(pos + 13);
			wpa_printf(MSG_DEBUG, "driver_param='%s'",
				   config->driver_param);
		} else if (strncmp(pos, "dot11RSNAConfigPMKLifetime=", 27) ==
			   0) {
			config->dot11RSNAConfigPMKLifetime = atoi(pos + 27);
			wpa_printf(MSG_DEBUG, "dot11RSNAConfigPMKLifetime=%d",
				   config->dot11RSNAConfigPMKLifetime);
		} else if (strncmp(pos, "dot11RSNAConfigPMKReauthThreshold=",
				   34) ==
			   0) {
			config->dot11RSNAConfigPMKReauthThreshold =
				atoi(pos + 34);
			wpa_printf(MSG_DEBUG,
				   "dot11RSNAConfigPMKReauthThreshold=%d",
				   config->dot11RSNAConfigPMKReauthThreshold);
		} else if (strncmp(pos, "dot11RSNAConfigSATimeout=", 25) ==
			   0) {
			config->dot11RSNAConfigSATimeout = atoi(pos + 25);
			wpa_printf(MSG_DEBUG, "dot11RSNAConfigSATimeout=%d",
				   config->dot11RSNAConfigSATimeout);
		} else {
			wpa_printf(MSG_ERROR, "Line %d: Invalid configuration "
				   "line '%s'.", line, pos);
			errors++;
			continue;
		}
	}

	fclose(f);

	config->ssid = head;
	for (prio = 0; prio < config->num_prio; prio++) {
		ssid = config->pssid[prio];
		wpa_printf(MSG_DEBUG, "Priority group %d",
			   ssid->priority);
		while (ssid) {
			wpa_printf(MSG_DEBUG, "   id=%d ssid='%s'",
				   ssid->id,
				   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
			ssid = ssid->pnext;
		}
	}
	if (errors) {
		wpa_config_free(config);
		config = NULL;
		head = NULL;
	}

	return config;
}
Esempio n. 9
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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[256], *pos, *pos2;

	wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
		   *line);
	ssid = (struct wpa_ssid *) malloc(sizeof(*ssid));
	if (ssid == NULL)
		return NULL;
	memset(ssid, 0, sizeof(*ssid));
	ssid->id = id;

	ssid->proto = WPA_PROTO_WPA | WPA_PROTO_RSN;
	ssid->pairwise_cipher = WPA_CIPHER_CCMP | WPA_CIPHER_TKIP;
	ssid->group_cipher = WPA_CIPHER_CCMP | WPA_CIPHER_TKIP |
		WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40;
	ssid->key_mgmt = WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X;
	ssid->eapol_flags = EAPOL_FLAG_REQUIRE_KEY_UNICAST |
		EAPOL_FLAG_REQUIRE_KEY_BROADCAST;
	ssid->eap_workaround = (unsigned int) -1;

	while ((pos = wpa_config_get_line(buf, sizeof(buf), f, line))) {
		if (strcmp(pos, "}") == 0) {
			end = 1;
			break;
		}

		pos2 = strchr(pos, '=');
		if (pos2 == NULL) {
			wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line "
				   "'%s'.", *line, pos);
			errors++;
			continue;
		}

		*pos2++ = '\0';
		if (*pos2 == '"') {
			if (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++;
	}

	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->key_mgmt & WPA_KEY_MGMT_PSK) && !ssid->psk_set) {
		wpa_printf(MSG_ERROR, "Line %d: WPA-PSK accepted for key "
			   "management, but no PSK configured.", *line);
		errors++;
	}

	if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
	    !(ssid->pairwise_cipher & WPA_CIPHER_CCMP)) {
		/* 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;
	}

	if (errors) {
		free(ssid);
		ssid = NULL;
	}

	return ssid;
}
Esempio n. 10
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static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
{
	struct wpa_ssid *ssid;
	int errors = 0, i, end = 0;
	char buf[256], *pos, *pos2;

	wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
		   *line);
	ssid = (struct wpa_ssid *) malloc(sizeof(*ssid));
	if (ssid == NULL)
		return NULL;
	memset(ssid, 0, sizeof(*ssid));
	ssid->id = id;

	ssid->proto = WPA_PROTO_WPA | WPA_PROTO_RSN;
	ssid->pairwise_cipher = WPA_CIPHER_CCMP | WPA_CIPHER_TKIP;
	ssid->group_cipher = WPA_CIPHER_CCMP | WPA_CIPHER_TKIP |
		WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40;
	ssid->key_mgmt = WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X;
	ssid->eapol_flags = EAPOL_FLAG_REQUIRE_KEY_UNICAST |
		EAPOL_FLAG_REQUIRE_KEY_BROADCAST;
	ssid->eap_workaround = (unsigned int) -1;

	while ((pos = wpa_config_get_line(buf, sizeof(buf), f, line))) {
		if (strcmp(pos, "}") == 0) {
			end = 1;
			break;
		}

		pos2 = strchr(pos, '=');
		if (pos2 == NULL) {
			wpa_printf(MSG_ERROR, "Line %d: Invalid SSID line "
				   "'%s'.", *line, pos);
			errors++;
			continue;
		}

		*pos2++ = '\0';
		if (*pos2 == '"') {
			if (strchr(pos2 + 1, '"') == NULL) {
				wpa_printf(MSG_ERROR, "Line %d: invalid "
					   "quotation '%s'.", *line, pos2);
				errors++;
				continue;
			}
		}

		for (i = 0; i < NUM_SSID_FIELDS; i++) {
			struct parse_data *field = &ssid_fields[i];
			if (strcmp(pos, field->name) != 0)
				continue;

			field->ssid = ssid;
			if (field->parser(field, *line, pos2)) {
				wpa_printf(MSG_ERROR, "Line %d: failed to "
					   "parse %s '%s'.", *line, pos, pos2);
				errors++;
			}
			break;
		}
		if (i == NUM_SSID_FIELDS) {
			wpa_printf(MSG_ERROR, "Line %d: unknown network field "
				   "'%s'.", *line, pos);
			errors++;
		}
	}

	if (!end) {
		wpa_printf(MSG_ERROR, "Line %d: network block was not "
			   "terminated properly.", *line);
		errors++;
	}

	if (ssid->passphrase) {
		if (ssid->psk_set) {
			wpa_printf(MSG_ERROR, "Line %d: both PSK and "
				   "passphrase configured.", *line);
			errors++;
		}
		pbkdf2_sha1(ssid->passphrase,
			    (char *) ssid->ssid, ssid->ssid_len, 4096,
			    ssid->psk, PMK_LEN);
		wpa_hexdump_key(MSG_MSGDUMP, "PSK (from passphrase)",
				ssid->psk, PMK_LEN);
		ssid->psk_set = 1;
	}

	if ((ssid->key_mgmt & WPA_KEY_MGMT_PSK) && !ssid->psk_set) {
		wpa_printf(MSG_ERROR, "Line %d: WPA-PSK accepted for key "
			   "management, but no PSK configured.", *line);
		errors++;
	}

	if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
	    !(ssid->pairwise_cipher & WPA_CIPHER_CCMP)) {
		/* 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;
	}

	if (errors) {
		free(ssid);
		ssid = NULL;
	}

	return ssid;
}
Esempio n. 11
0
struct wpa_config * wpa_config_read(const char *name)
{
	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;

	config = wpa_config_alloc_empty(NULL, NULL);
	if (config == NULL)
		return NULL;
	wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
	f = fopen(name, "r");
	if (f == NULL) {
		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) {
				errors++;
				continue;
			}
#endif /* CONFIG_NO_CONFIG_BLOBS */
#ifdef CONFIG_P2P
		} else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
			   os_strncmp(buf, "wmm_ac_", 7) == 0) {
			pos = os_strchr(buf, '=');
			if (pos == NULL) {
				wpa_printf(MSG_ERROR, "Line %d: invalid line '%s'",
						line, buf);
				errors++;
				continue;
			}
			*pos = '\0';
			pos++;
			if (wpa_config_wmm_ac(config->wmm_ac_params, buf, pos)) {
				wpa_printf(MSG_ERROR, "Line %d: invalid WMM "
					   "ac item", line);
				errors++;
			}
#endif /* CONFIG_P2P */
		} 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;
}