/**
 * The device init.rc file needs a corresponding entry.
 *
 * Example:
 * service iprenew_<interface> /system/bin/dhcpcd -n
 *
 */
int dhcp_start_renew(const char *interface)
{
    char result_prop_name[PROPERTY_KEY_MAX];
    char prop_value[PROPERTY_VALUE_MAX] = {'\0'};
    char daemon_cmd[PROPERTY_VALUE_MAX * 2];
    const char *ctrl_prop = "ctl.start";

    char p2p_interface[MAX_INTERFACE_LENGTH];

    get_p2p_interface_replacement(interface, p2p_interface);

    snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
            DHCP_PROP_NAME_PREFIX,
            p2p_interface);

    /* Erase any previous setting of the dhcp result property */
    property_set(result_prop_name, "");

    /* Start the renew daemon and wait until it's ready */
    snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:%s", DAEMON_NAME_RENEW,
            p2p_interface, interface);
    memset(prop_value, '\0', PROPERTY_VALUE_MAX);
    property_set(ctrl_prop, daemon_cmd);

    /* Wait for the daemon to return a result */
    if (wait_for_property(result_prop_name, NULL, 30) < 0) {
        snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for DHCP Renew to finish");
        return -1;
    }

    return 0;
}
/**
 * Stop the DHCP client daemon.
 */
int dhcp_stop(const char *interface)
{
    char result_prop_name[PROPERTY_KEY_MAX];
    char daemon_prop_name[PROPERTY_KEY_MAX];
    char daemon_cmd[PROPERTY_VALUE_MAX * 2];
    const char *ctrl_prop = "ctl.stop";
    const char *desired_status = "stopped";

    char p2p_interface[MAX_INTERFACE_LENGTH];

    get_p2p_interface_replacement(interface, p2p_interface);

    snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
            DHCP_PROP_NAME_PREFIX,
            p2p_interface);

    snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
            DAEMON_PROP_NAME,
            p2p_interface);

    snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s", DAEMON_NAME, p2p_interface);

    /* Stop the daemon and wait until it's reported to be stopped */
    property_set(ctrl_prop, daemon_cmd);
    if (wait_for_property(daemon_prop_name, desired_status, 5) < 0) {
        return -1;
    }
    property_set(result_prop_name, "failed");
    return 0;
}
/**
 * Release the current DHCP client lease.
 */
int dhcp_release_lease(const char *interface)
{
    char daemon_prop_name[PROPERTY_KEY_MAX];
    char daemon_cmd[PROPERTY_VALUE_MAX * 2];
    const char *ctrl_prop = "ctl.stop";
    const char *desired_status = "stopped";

    char p2p_interface[MAX_INTERFACE_LENGTH];

    get_p2p_interface_replacement(interface, p2p_interface);

    snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
            DAEMON_PROP_NAME,
            p2p_interface);

    snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s", DAEMON_NAME, p2p_interface);

    pid_t pid;
    char pid_property_name[PROPERTY_KEY_MAX];
    char pid_property_value[PROPERTY_VALUE_MAX];

    snprintf(pid_property_name, sizeof(pid_property_name), "dhcp.%s.pid", interface);
    property_get(pid_property_name, pid_property_value, NULL);
    pid = atoi(pid_property_value);
    kill(pid, SIGHUP);

    if (wait_for_property(daemon_prop_name, desired_status, 5) < 0) {
        return -1;
    }
    return 0;
}
Example #4
0
int service_stop(const char *service_name)
{
    int result = 0;

    D(INFO, "Stopping MDNSD");
    property_set("ctl.stop", service_name);
    if (wait_for_property(service_name, "stopped", 5))
        result = -1;

    return result;
}
/**
 * The device init.rc file needs a corresponding entry.
 *
 * Example:
 * service iprenew_<interface> /system/bin/dhcpcd -n
 *
 */
int dhcp_do_request_renew(const char *interface,
                    char *ipaddr,
                    char *gateway,
                    uint32_t *prefixLength,
                    char *dns[],
                    char *server,
                    uint32_t *lease,
                    char *vendorInfo,
                    char *domain,
                    char *mtu)
{
    char result_prop_name[PROPERTY_KEY_MAX];
    char prop_value[PROPERTY_VALUE_MAX] = {'\0'};
    char daemon_cmd[PROPERTY_VALUE_MAX * 2];
    const char *ctrl_prop = "ctl.start";

    char p2p_interface[MAX_INTERFACE_LENGTH];

    get_p2p_interface_replacement(interface, p2p_interface);

    snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
            DHCP_PROP_NAME_PREFIX,
            p2p_interface);

    /* Erase any previous setting of the dhcp result property */
    property_set(result_prop_name, "");

    /* Start the renew daemon and wait until it's ready */
    snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:%s", DAEMON_NAME_RENEW,
            p2p_interface, interface);
    memset(prop_value, '\0', PROPERTY_VALUE_MAX);
    property_set(ctrl_prop, daemon_cmd);

    /* Wait for the daemon to return a result */
    if (wait_for_property(result_prop_name, NULL, 30) < 0) {
        snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for DHCP Renew to finish");
        return -1;
    }

    if (!property_get(result_prop_name, prop_value, NULL)) {
        /* shouldn't ever happen, given the success of wait_for_property() */
        snprintf(errmsg, sizeof(errmsg), "%s", "DHCP Renew result property was not set");
        return -1;
    }
    if (strcmp(prop_value, "ok") == 0) {
        return fill_ip_info(interface, ipaddr, gateway, prefixLength, dns,
                server, lease, vendorInfo, domain, mtu);
    } else {
        snprintf(errmsg, sizeof(errmsg), "DHCP Renew result was %s", prop_value);
        return -1;
    }
}
int MDnsSdListener::Monitor::stopService() {
    int result = 0;
    pthread_mutex_lock(&mHeadMutex);
    if (mHead == NULL) {
        ALOGD("Stopping MDNSD");
        property_set("ctl.stop", MDNS_SERVICE_NAME);
        wait_for_property(MDNS_SERVICE_STATUS, "stopped", 5);
        result = -1;
    } else {
        result = 0;
    }
    pthread_mutex_unlock(&mHeadMutex);
    return result;
}
Example #7
0
int service_start(const char *service_name)
{
    int result = 0;
    char property_value[PROPERTY_VALUE_MAX];

    property_get(service_name, property_value, "");
    if (strcmp("running", property_value) != 0) {
        D(INFO, "Starting %s", service_name);
        property_set("ctl.start", service_name);
        if (wait_for_property(service_name, "running", 5))
            result = -1;
    }

    return result;
}
int MDnsSdListener::Monitor::startService() {
    int result = 0;
    char property_value[PROPERTY_VALUE_MAX];
    pthread_mutex_lock(&mHeadMutex);
    property_get(MDNS_SERVICE_STATUS, property_value, "");
    if (strcmp("running", property_value) != 0) {
        ALOGD("Starting MDNSD");
        property_set("ctl.start", MDNS_SERVICE_NAME);
        wait_for_property(MDNS_SERVICE_STATUS, "running", 5);
        result = -1;
    } else {
        result = 0;
    }
    pthread_mutex_unlock(&mHeadMutex);
    return result;
}
Example #9
0
/**
 * Release the current DHCP client lease.
 */
int dhcp_release_lease(const char *interface)
{
    char daemon_prop_name[PROPERTY_KEY_MAX];
    char daemon_cmd[PROPERTY_VALUE_MAX * 2];
    const char *ctrl_prop = "ctl.stop";
    const char *desired_status = "stopped";

    char daemon_suffix[MAX_DAEMON_SUFFIX];

    get_daemon_suffix(interface, daemon_suffix);

    snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
             DAEMON_PROP_NAME,
             daemon_suffix);

    snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s", DAEMON_NAME, daemon_suffix);

    /* Stop the daemon and wait until it's reported to be stopped */
    property_set(ctrl_prop, daemon_cmd);
    if (wait_for_property(daemon_prop_name, desired_status, 5) < 0) {
        return -1;
    }
    return 0;
}
/*
 * Start the dhcp client daemon, and wait for it to finish
 * configuring the interface.
 *
 * The device init.rc file needs a corresponding entry for this work.
 *
 * Example:
 * service dhcpcd_<interface> /system/bin/dhcpcd -ABKL -f dhcpcd.conf
 */
int dhcp_start(const char *interface)
{
    char result_prop_name[PROPERTY_KEY_MAX];
    char daemon_prop_name[PROPERTY_KEY_MAX];
    char prop_value[PROPERTY_VALUE_MAX] = {'\0'};
    char daemon_cmd[PROPERTY_VALUE_MAX * 2 + sizeof(DHCP_CONFIG_PATH)];
    const char *ctrl_prop = "ctl.start";
    const char *desired_status = "running";
    /* Interface name after converting p2p0-p2p0-X to p2p to reuse system properties */
    char p2p_interface[MAX_INTERFACE_LENGTH];
#ifdef SAMSUNG_OXYGEN_NETWORK
    int isIbss = 0;
#endif

    get_p2p_interface_replacement(interface, p2p_interface);

#ifdef SAMSUNG_OXYGEN_NETWORK
    isIbss = get_ibss_interface_replacement(interface, p2p_interface);
#endif

    snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
            DHCP_PROP_NAME_PREFIX,
            p2p_interface);

#ifdef SAMSUNG_OXYGEN_NETWORK
    if (isIbss > 0) {
        snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_ibss",
                DAEMON_PROP_NAME);
    } else {
        snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
                DAEMON_PROP_NAME,
                p2p_interface);
    }
#else
    snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
            DAEMON_PROP_NAME,
            p2p_interface);
#endif

    /* Erase any previous setting of the dhcp result property */
    property_set(result_prop_name, "");

    /* Start the daemon and wait until it's ready */
    if (property_get(HOSTNAME_PROP_NAME, prop_value, NULL) && (prop_value[0] != '\0'))
#ifdef SAMSUNG_OXYGEN_NETWORK
    {
        if (isIbss > 0) {
            snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_ibss:-f %s -h %s wlan0", DAEMON_NAME,
                      DHCP_CONFIG_PATH, prop_value);
        } else
#endif
        snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:-f %s -h %s %s", DAEMON_NAME,
                 p2p_interface, DHCP_CONFIG_PATH, prop_value, interface);
#ifdef SAMSUNG_OXYGEN_NETWORK
    }
#endif
    else
        snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:-f %s %s", DAEMON_NAME,
                 p2p_interface, DHCP_CONFIG_PATH, interface);
    memset(prop_value, '\0', PROPERTY_VALUE_MAX);
    property_set(ctrl_prop, daemon_cmd);
    if (wait_for_property(daemon_prop_name, desired_status, 10) < 0) {
        snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for dhcpcd to start");
        return -1;
    }

    /* Wait for the daemon to return a result */
    if (wait_for_property(result_prop_name, NULL, 30) < 0) {
        snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for DHCP to finish");
        return -1;
    }

    return 0;
}
Example #11
0
/*
 * Start the dhcp client daemon, and wait for it to finish
 * configuring the interface.
 */
int dhcp_do_request(const char *interface,
                    char *ipaddr,
                    char *gateway,
                    uint32_t *prefixLength,
                    char *dns1,
                    char *dns2,
                    char *server,
                    uint32_t  *lease)
{
    char result_prop_name[PROPERTY_KEY_MAX];
    char daemon_prop_name[PROPERTY_KEY_MAX];
    char prop_value[PROPERTY_VALUE_MAX] = {'\0'};
    char daemon_cmd[PROPERTY_VALUE_MAX * 2];
    const char *ctrl_prop = "ctl.start";
    const char *desired_status = "running";
    char daemon_suffix[MAX_DAEMON_SUFFIX];

    get_daemon_suffix(interface, daemon_suffix);

    snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
             DHCP_PROP_NAME_PREFIX,
             interface);

    snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
             DAEMON_PROP_NAME,
             daemon_suffix);

    /* Erase any previous setting of the dhcp result property */
    property_set(result_prop_name, "");

    /* Start the daemon and wait until it's ready */
    if (property_get(HOSTNAME_PROP_NAME, prop_value, NULL) && (prop_value[0] != '\0'))
        snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:-h %s %s", DAEMON_NAME, daemon_suffix,
                 prop_value, interface);
    else
        snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:%s", DAEMON_NAME, daemon_suffix, interface);
    memset(prop_value, '\0', PROPERTY_VALUE_MAX);
    property_set(ctrl_prop, daemon_cmd);
    if (wait_for_property(daemon_prop_name, desired_status, 10) < 0) {
        snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for dhcpcd to start");
        return -1;
    }

    /* Wait for the daemon to return a result */
    if (wait_for_property(result_prop_name, NULL, 30) < 0) {
        snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for DHCP to finish");
        return -1;
    }

    if (!property_get(result_prop_name, prop_value, NULL)) {
        /* shouldn't ever happen, given the success of wait_for_property() */
        snprintf(errmsg, sizeof(errmsg), "%s", "DHCP result property was not set");
        return -1;
    }
    if (strcmp(prop_value, "ok") == 0) {
        char dns_prop_name[PROPERTY_KEY_MAX];
        if (fill_ip_info(interface, ipaddr, gateway, prefixLength, dns1, dns2, server, lease)
                == -1) {
            return -1;
        }

        /* copy dns data to system properties - TODO - remove this after we have async
         * notification of renewal's */
        snprintf(dns_prop_name, sizeof(dns_prop_name), "net.%s.dns1", interface);
        property_set(dns_prop_name, *dns1 ? ipaddr_to_string(*dns1) : "");
        snprintf(dns_prop_name, sizeof(dns_prop_name), "net.%s.dns2", interface);
        property_set(dns_prop_name, *dns2 ? ipaddr_to_string(*dns2) : "");
        return 0;
    } else {
        snprintf(errmsg, sizeof(errmsg), "DHCP result was %s", prop_value);
        return -1;
    }
}
/*
 * Start the dhcp client daemon, and wait for it to finish
 * configuring the interface.
 *
 * The device init.rc file needs a corresponding entry for this work.
 *
 * Example:
 * service dhcpcd_<interface> /system/bin/dhcpcd -ABKL -f dhcpcd.conf
 */
int dhcp_do_request(const char *interface,
                    char *ipaddr,
                    char *gateway,
                    uint32_t *prefixLength,
                    char *dns[],
                    char *server,
                    uint32_t *lease,
                    char *vendorInfo,
                    char *domain,
                    char *mtu)
{
    char result_prop_name[PROPERTY_KEY_MAX];
    char daemon_prop_name[PROPERTY_KEY_MAX];
    char prop_value[PROPERTY_VALUE_MAX] = {'\0'};
    char daemon_cmd[PROPERTY_VALUE_MAX * 2 + sizeof(DHCP_CONFIG_PATH)];
    const char *ctrl_prop = "ctl.start";
    const char *desired_status = "running";
    /* Interface name after converting p2p0-p2p0-X to p2p to reuse system properties */
    char p2p_interface[MAX_INTERFACE_LENGTH];

    get_p2p_interface_replacement(interface, p2p_interface);

    snprintf(result_prop_name, sizeof(result_prop_name), "%s.%s.result",
            DHCP_PROP_NAME_PREFIX,
            p2p_interface);

    snprintf(daemon_prop_name, sizeof(daemon_prop_name), "%s_%s",
            DAEMON_PROP_NAME,
            p2p_interface);

    /* Erase any previous setting of the dhcp result property */
    property_set(result_prop_name, "");

    /* HACK: Sometimes the lease file appears to be corrupted, which can cause
     * unknown errors while obtaining an address. We just remove the corresponding
     * lease file prior to starting the daemon...
     */
    {
        char lease_file_path[PROPERTY_VALUE_MAX];
        snprintf(lease_file_path, sizeof(lease_file_path),
                "/data/misc/dhcp/dhcpcd-%s.lease",
                p2p_interface);
        unlink(lease_file_path);
    }

    /* Start the daemon and wait until it's ready */
    if (property_get(HOSTNAME_PROP_NAME, prop_value, NULL) && (prop_value[0] != '\0'))
        snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:-f %s -h %s %s", DAEMON_NAME,
                 p2p_interface, DHCP_CONFIG_PATH, prop_value, interface);
    else
        snprintf(daemon_cmd, sizeof(daemon_cmd), "%s_%s:-f %s %s", DAEMON_NAME,
                 p2p_interface, DHCP_CONFIG_PATH, interface);
    memset(prop_value, '\0', PROPERTY_VALUE_MAX);
    property_set(ctrl_prop, daemon_cmd);
    if (wait_for_property(daemon_prop_name, desired_status, 10) < 0) {
        snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for dhcpcd to start");
        return -1;
    }

    /* Wait for the daemon to return a result */
    if (wait_for_property(result_prop_name, NULL, 30) < 0) {
        snprintf(errmsg, sizeof(errmsg), "%s", "Timed out waiting for DHCP to finish");
        return -1;
    }

    if (!property_get(result_prop_name, prop_value, NULL)) {
        /* shouldn't ever happen, given the success of wait_for_property() */
        snprintf(errmsg, sizeof(errmsg), "%s", "DHCP result property was not set");
        return -1;
    }
    if (strcmp(prop_value, "ok") == 0) {
        char dns_prop_name[PROPERTY_KEY_MAX];
        if (fill_ip_info(interface, ipaddr, gateway, prefixLength, dns,
                server, lease, vendorInfo, domain, mtu) == -1) {
            return -1;
        }
        return 0;
    } else {
        snprintf(errmsg, sizeof(errmsg), "DHCP result was %s", prop_value);
        return -1;
    }
}