/* androiddump.c
 * androiddump is extcap tool used to capture Android specific stuff
 *
 * Copyright 2015, Michal Labedzki for Tieto Corporation
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */
#include "config.h"

#include "extcap-base.h"

#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <time.h>
#include <wsutil/strtoi.h>
#include <wsutil/filesystem.h>
#include <wsutil/cmdarg_err.h>
#include <wsutil/inet_addr.h>

#include "ui/failure_message.h"

#ifdef HAVE_NETINET_IN_H
#    include <netinet/in.h>
#endif

#ifdef HAVE_UNISTD_H
    #include <unistd.h>
#endif

#ifdef HAVE_SYS_SOCKET_H
    #include <sys/socket.h>
#endif

#ifdef HAVE_ARPA_INET_H
    #include <arpa/inet.h>
#endif

#ifdef HAVE_SYS_TIME_H
    #include <sys/time.h>
#endif

/* Configuration options */
/* #define ANDROIDDUMP_USE_LIBPCAP */

#define PCAP_GLOBAL_HEADER_LENGTH              24
#define PCAP_RECORD_HEADER_LENGTH              16

#ifdef ANDROIDDUMP_USE_LIBPCAP
    #include <wsutil/wspcap.h>
    #include <pcap-bpf.h>
    #include <pcap/bluetooth.h>

    #ifndef DLT_BLUETOOTH_H4_WITH_PHDR
    #define DLT_BLUETOOTH_H4_WITH_PHDR 201
    #endif

    #ifndef DLT_WIRESHARK_UPPER_PDU
    #define DLT_WIRESHARK_UPPER_PDU  252
    #endif

    #ifndef PCAP_TSTAMP_PRECISION_MICRO
    #define PCAP_TSTAMP_PRECISION_MICRO 0
    #endif

    #ifndef PCAP_TSTAMP_PRECISION_NANO
    #define PCAP_TSTAMP_PRECISION_NANO 1
    #endif
#else
    #include "wiretap/wtap.h"
    #include "wiretap/pcap-encap.h"
#endif

#ifdef ANDROIDDUMP_USE_LIBPCAP
    #define EXTCAP_ENCAP_BLUETOOTH_H4_WITH_PHDR DLT_BLUETOOTH_H4_WITH_PHDR
    #define EXTCAP_ENCAP_WIRESHARK_UPPER_PDU    DLT_WIRESHARK_UPPER_PDU
    #define EXTCAP_ENCAP_ETHERNET               DLT_EN10MB
    #define EXTCAP_ENCAP_LINUX_SLL              DLT_LINUX_SLL
    #define EXTCAP_ENCAP_IEEE802_11_RADIO       DLT_IEEE802_11_RADIO
    #define EXTCAP_ENCAP_NETLINK                DLT_NETLINK
#else
    #define EXTCAP_ENCAP_BLUETOOTH_H4_WITH_PHDR WTAP_ENCAP_BLUETOOTH_H4_WITH_PHDR
    #define EXTCAP_ENCAP_WIRESHARK_UPPER_PDU    WTAP_ENCAP_WIRESHARK_UPPER_PDU
    #define EXTCAP_ENCAP_ETHERNET               WTAP_ENCAP_ETHERNET
    #define EXTCAP_ENCAP_LINUX_SLL              WTAP_ENCAP_SLL
    #define EXTCAP_ENCAP_IEEE802_11_RADIO       WTAP_ENCAP_IEEE_802_11_RADIOTAP
    #define EXTCAP_ENCAP_NETLINK                WTAP_ENCAP_NETLINK
#endif

#define WIRESHARK_UPPER_PDU_TAG_DISSECTOR_NAME  0x000C

#define INTERFACE_ANDROID_LOGCAT_MAIN                   "android-logcat-main"
#define INTERFACE_ANDROID_LOGCAT_SYSTEM                 "android-logcat-system"
#define INTERFACE_ANDROID_LOGCAT_RADIO                  "android-logcat-radio"
#define INTERFACE_ANDROID_LOGCAT_EVENTS                 "android-logcat-events"
#define INTERFACE_ANDROID_LOGCAT_TEXT_MAIN              "android-logcat-text-main"
#define INTERFACE_ANDROID_LOGCAT_TEXT_SYSTEM            "android-logcat-text-system"
#define INTERFACE_ANDROID_LOGCAT_TEXT_RADIO             "android-logcat-text-radio"
#define INTERFACE_ANDROID_LOGCAT_TEXT_EVENTS            "android-logcat-text-events"
#define INTERFACE_ANDROID_LOGCAT_TEXT_CRASH             "android-logcat-text-crash"
#define INTERFACE_ANDROID_BLUETOOTH_HCIDUMP             "android-bluetooth-hcidump"
#define INTERFACE_ANDROID_BLUETOOTH_EXTERNAL_PARSER     "android-bluetooth-external-parser"
#define INTERFACE_ANDROID_BLUETOOTH_BTSNOOP_NET         "android-bluetooth-btsnoop-net"
#define INTERFACE_ANDROID_TCPDUMP                       "android-tcpdump"
#define INTERFACE_ANDROID_TCPDUMP_FORMAT                INTERFACE_ANDROID_TCPDUMP "-%s"
#define INTERFACE_ANDROID_TCPDUMP_SERIAL_FORMAT         INTERFACE_ANDROID_TCPDUMP_FORMAT "-%s"

#define ANDROIDDUMP_VERSION_MAJOR    "1"
#define ANDROIDDUMP_VERSION_MINOR    "1"
#define ANDROIDDUMP_VERSION_RELEASE  "0"

#define SERIAL_NUMBER_LENGTH_MAX  512
#define MODEL_NAME_LENGTH_MAX      64

#define PACKET_LENGTH 65535

#define SOCKET_RW_TIMEOUT_MS         2000
#define SOCKET_CONNECT_TIMEOUT_TRIES   10
#define SOCKET_CONNECT_DELAY_US      1000 /* (1000us = 1ms) * SOCKET_CONNECT_TIMEOUT_TRIES (10) = 10ms worst-case  */

#define ADB_HEX4_FORMAT "%04zx"
#define ADB_HEX4_LEN    4

#define BTSNOOP_HDR_LEN 16

enum exit_code {
    EXIT_CODE_SUCCESS = 0,
    EXIT_CODE_CANNOT_GET_INTERFACES_LIST = 1,
    EXIT_CODE_UNKNOWN_ENCAPSULATION_WIRETAP,
    EXIT_CODE_UNKNOWN_ENCAPSULATION_LIBPCAP,
    EXIT_CODE_CANNOT_SAVE_WIRETAP_DUMP,
    EXIT_CODE_CANNOT_SAVE_LIBPCAP_DUMP,
    EXIT_CODE_NO_INTERFACE_SPECIFIED,
    EXIT_CODE_INVALID_INTERFACE,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_1,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_2,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_3,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_4,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_5,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_6,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_7,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_8,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_9,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_10,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_11,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_12,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_13,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_14,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_15,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_16,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_17,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_18,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_19,
    EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_20,
    EXIT_CODE_ERROR_WHILE_SENDING_ADB_PACKET_1,
    EXIT_CODE_ERROR_WHILE_SENDING_ADB_PACKET_2,
    EXIT_CODE_ERROR_WHILE_SENDING_ADB_PACKET_3,
    EXIT_CODE_ERROR_WHILE_SENDING_ADB_PACKET_4,
    EXIT_CODE_ERROR_WHILE_RECEIVING_ADB_PACKET_STATUS,
    EXIT_CODE_ERROR_WHILE_RECEIVING_ADB_PACKET_DATA,
    EXIT_CODE_INVALID_SOCKET_INTERFACES_LIST,
    EXIT_CODE_INVALID_SOCKET_1,
    EXIT_CODE_INVALID_SOCKET_2,
    EXIT_CODE_INVALID_SOCKET_3,
    EXIT_CODE_INVALID_SOCKET_4,
    EXIT_CODE_INVALID_SOCKET_5,
    EXIT_CODE_INVALID_SOCKET_6,
    EXIT_CODE_INVALID_SOCKET_7,
    EXIT_CODE_INVALID_SOCKET_8,
    EXIT_CODE_INVALID_SOCKET_9,
    EXIT_CODE_INVALID_SOCKET_10,
    EXIT_CODE_INVALID_SOCKET_11,
    EXIT_CODE_GENERIC = -1
};

enum {
    EXTCAP_BASE_OPTIONS_ENUM,
    OPT_HELP,
    OPT_VERSION,
    OPT_CONFIG_ADB_SERVER_IP,
    OPT_CONFIG_ADB_SERVER_TCP_PORT,
    OPT_CONFIG_LOGCAT_TEXT,
    OPT_CONFIG_LOGCAT_IGNORE_LOG_BUFFER,
    OPT_CONFIG_LOGCAT_CUSTOM_OPTIONS,
    OPT_CONFIG_BT_SERVER_TCP_PORT,
    OPT_CONFIG_BT_FORWARD_SOCKET,
    OPT_CONFIG_BT_LOCAL_IP,
    OPT_CONFIG_BT_LOCAL_TCP_PORT
};

static struct option longopts[] = {
    EXTCAP_BASE_OPTIONS,
    { "help",                     no_argument,       NULL, OPT_HELP},
    { "version",                  no_argument,       NULL, OPT_VERSION},
    { "adb-server-ip",            required_argument, NULL, OPT_CONFIG_ADB_SERVER_IP},
    { "adb-server-tcp-port",      required_argument, NULL, OPT_CONFIG_ADB_SERVER_TCP_PORT},
    { "logcat-text",              optional_argument, NULL, OPT_CONFIG_LOGCAT_TEXT},
    { "logcat-ignore-log-buffer", optional_argument, NULL, OPT_CONFIG_LOGCAT_IGNORE_LOG_BUFFER},
    { "logcat-custom-options",    required_argument, NULL, OPT_CONFIG_LOGCAT_CUSTOM_OPTIONS},
    { "bt-server-tcp-port",       required_argument, NULL, OPT_CONFIG_BT_SERVER_TCP_PORT},
    { "bt-forward-socket",        required_argument, NULL, OPT_CONFIG_BT_FORWARD_SOCKET},
    { "bt-local-ip",              required_argument, NULL, OPT_CONFIG_BT_LOCAL_IP},
    { "bt-local-tcp-port",        required_argument, NULL, OPT_CONFIG_BT_LOCAL_TCP_PORT},
    { 0, 0, 0, 0 }
};

struct interface_t {
    const char          *display_name;
    const char          *interface_name;
    struct interface_t  *next;
};

struct exported_pdu_header {
    uint16_t  tag;
    uint16_t  length;
/*  unsigned char value[0]; */
};


typedef struct _own_pcap_bluetooth_h4_header {
    uint32_t direction;
} own_pcap_bluetooth_h4_header;

typedef struct pcap_hdr_s {
        guint32 magic_number;   /* magic number */
        guint16 version_major;  /* major version number */
        guint16 version_minor;  /* minor version number */
        gint32  thiszone;       /* GMT to local correction */
        guint32 sigfigs;        /* accuracy of timestamps */
        guint32 snaplen;        /* max length of captured packets, in octets */
        guint32 network;        /* data link type */
} pcap_hdr_t;


typedef struct pcaprec_hdr_s {
        guint32 ts_sec;         /* timestamp seconds */
        guint32 ts_usec;        /* timestamp microseconds */
        guint32 incl_len;       /* number of octets of packet saved in file */
        guint32 orig_len;       /* actual length of packet */
} pcaprec_hdr_t;

/* This fix compilator warning like "warning: cast from 'char *' to 'uint32_t *' (aka 'unsigned int *') increases required alignment from 1 to 4 " */
typedef union {
    char      *value_char;
    uint8_t   *value_u8;
    uint16_t  *value_u16;
    uint32_t  *value_u32;
    uint64_t  *value_u64;
    int8_t    *value_i8;
    int16_t   *value_i16;
    int32_t   *value_i32;
    int64_t   *value_i64;
    own_pcap_bluetooth_h4_header  *value_own_pcap_bluetooth_h4_header;
} data_aligned_t;

#define SET_DATA(dest, type, src) \
    { \
        data_aligned_t data_aligned; \
            \
        data_aligned.value_char = src; \
        dest = data_aligned.type; \
    }

struct extcap_dumper {
    int encap;
    union  {
#ifdef ANDROIDDUMP_USE_LIBPCAP
        pcap_dumper_t  *pcap;
#else
        wtap_dumper    *wtap;
#endif
    } dumper;
};

/* Globals */
static int endless_loop = 1;

/* Functions */
static inline int is_specified_interface(const char *interface, const char *interface_prefix) {
    return !strncmp(interface, interface_prefix, strlen(interface_prefix));
}

static gboolean is_logcat_interface(const char *interface) {
    return is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_MAIN) ||
           is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_SYSTEM) ||
           is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_RADIO) ||
           is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_EVENTS);
}

static gboolean is_logcat_text_interface(const char *interface) {
    return is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_TEXT_MAIN) ||
           is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_TEXT_SYSTEM) ||
           is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_TEXT_RADIO) ||
           is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_TEXT_EVENTS) ||
           is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_TEXT_CRASH);
}

static char* get_serial_from_interface(char *interface)
{
    static const char* const iface_prefix[] = {
        INTERFACE_ANDROID_LOGCAT_MAIN,
        INTERFACE_ANDROID_LOGCAT_SYSTEM,
        INTERFACE_ANDROID_LOGCAT_RADIO,
        INTERFACE_ANDROID_LOGCAT_EVENTS,
        INTERFACE_ANDROID_LOGCAT_TEXT_MAIN,
        INTERFACE_ANDROID_LOGCAT_TEXT_SYSTEM,
        INTERFACE_ANDROID_LOGCAT_TEXT_RADIO,
        INTERFACE_ANDROID_LOGCAT_TEXT_EVENTS,
        INTERFACE_ANDROID_LOGCAT_TEXT_CRASH,
        INTERFACE_ANDROID_BLUETOOTH_HCIDUMP,
        INTERFACE_ANDROID_BLUETOOTH_EXTERNAL_PARSER,
        INTERFACE_ANDROID_BLUETOOTH_BTSNOOP_NET,
        NULL
    };
    int i;
    const char* curr = NULL;
    for (i = 0; (curr = iface_prefix[i]); i++) {
        if (is_specified_interface(interface, curr) &&
                strlen(interface) > strlen(curr) + 1) {
            return interface + strlen(curr) + 1;
        }
    }
    return NULL;
}

static const char* interface_to_logbuf(char* interface)
{
    const char *const adb_log_main   = "log:main";
    const char *const adb_log_system = "log:system";
    const char *const adb_log_radio  = "log:radio";
    const char *const adb_log_events = "log:events";
    const char *logbuf = NULL;

    if (is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_MAIN))
        logbuf = adb_log_main;
    else if (is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_SYSTEM))
        logbuf = adb_log_system;
    else if (is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_RADIO))
        logbuf = adb_log_radio;
    else if (is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_EVENTS))
        logbuf = adb_log_events;
    return logbuf;
}

/*
 * General errors and warnings are reported through g_warning() in
 * androiddump.
 *
 * Unfortunately, g_warning() may be a macro, so we do it by calling
 * g_logv() with the appropriate arguments.
 */
static void
failure_warning_message(const char *msg_format, va_list ap)
{
    g_logv(G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, msg_format, ap);
}

static void useSndTimeout(socket_handle_t  sock) {
    int res;
#ifdef _WIN32
    const DWORD socket_timeout = SOCKET_RW_TIMEOUT_MS;

    res = setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (const char *) &socket_timeout, (socklen_t)sizeof(socket_timeout));
#else
    const struct timeval socket_timeout = {
        .tv_sec = SOCKET_RW_TIMEOUT_MS / 1000,
        .tv_usec = (SOCKET_RW_TIMEOUT_MS % 1000) * 1000
    };

    res = setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, &socket_timeout, (socklen_t)sizeof(socket_timeout));
#endif
    if (res != 0)
        g_debug("Can't set socket timeout, using default");
}

static void useNonBlockingConnectTimeout(socket_handle_t  sock) {
    int res_snd;
    int res_rcv;
#ifdef _WIN32
    const DWORD socket_timeout = SOCKET_RW_TIMEOUT_MS;
    unsigned long non_blocking = 1;

    res_snd = setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (const char *) &socket_timeout, sizeof(socket_timeout));
    res_rcv = setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (const char *) &socket_timeout, sizeof(socket_timeout));

    /* set socket to non-blocking */
    ioctlsocket(sock, FIONBIO, &non_blocking);
#else
    const struct timeval socket_timeout = {
        .tv_sec = SOCKET_RW_TIMEOUT_MS / 1000,
        .tv_usec = (SOCKET_RW_TIMEOUT_MS % 1000) * 1000
    };

    res_snd = setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, &socket_timeout, sizeof(socket_timeout));
    res_rcv = setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &socket_timeout, sizeof(socket_timeout));
#endif
    if (res_snd != 0)
        g_debug("Can't set socket timeout, using default");
    if (res_rcv != 0)
        g_debug("Can't set socket timeout, using default");
}

static void useNormalConnectTimeout(socket_handle_t  sock) {
    int res_rcv;
#ifdef _WIN32
    const DWORD socket_timeout = 0;
    unsigned long non_blocking = 0;

    res_rcv = setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (const char *) &socket_timeout, sizeof(socket_timeout));
    ioctlsocket(sock, FIONBIO, &non_blocking);
#else
    const struct timeval socket_timeout = {
        .tv_sec = SOCKET_RW_TIMEOUT_MS / 1000,
        .tv_usec = (SOCKET_RW_TIMEOUT_MS % 1000) * 1000
    };

    res_rcv = setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &socket_timeout, sizeof(socket_timeout));
#endif
    if (res_rcv != 0)
        g_debug("Can't set socket timeout, using default");
}

static struct extcap_dumper extcap_dumper_open(char *fifo, int encap) {
    struct extcap_dumper extcap_dumper;

#ifdef ANDROIDDUMP_USE_LIBPCAP
    pcap_t  *pcap;

    pcap = pcap_open_dead_with_tstamp_precision(encap, PACKET_LENGTH, PCAP_TSTAMP_PRECISION_NANO);
    extcap_dumper.dumper.pcap = pcap_dump_open(pcap, fifo);
    if (!extcap_dumper.dumper.pcap) {
        g_warning("Can't open %s for saving packets: %s", pcap_geterr(pcap));
        pcap_close(pcap);
        exit(EXIT_CODE_CANNOT_SAVE_LIBPCAP_DUMP);
    }
    extcap_dumper.encap = encap;
    if (pcap_dump_flush(extcap_dumper.dumper.pcap) == -1) {
        g_warning("Write to %s failed: %s", g_strerror(errno));
    }
#else
    int err = 0;

    wtap_init(FALSE);

    extcap_dumper.dumper.wtap = wtap_dump_open(fifo, WTAP_FILE_TYPE_SUBTYPE_PCAP_NSEC, encap, PACKET_LENGTH, FALSE, &err);
    if (!extcap_dumper.dumper.wtap) {
        cfile_dump_open_failure_message("androiddump", fifo, err, WTAP_FILE_TYPE_SUBTYPE_PCAP_NSEC);
        exit(EXIT_CODE_CANNOT_SAVE_WIRETAP_DUMP);
    }
    extcap_dumper.encap = encap;
    wtap_dump_flush(extcap_dumper.dumper.wtap);
#endif

    return extcap_dumper;
}

static gboolean extcap_dumper_dump(struct extcap_dumper extcap_dumper,
        char *fifo, char *buffer,
        gssize captured_length, gssize reported_length,
        time_t seconds, int nanoseconds) {
#ifdef ANDROIDDUMP_USE_LIBPCAP
    struct pcap_pkthdr  pcap_header;

    pcap_header.caplen = (bpf_u_int32) captured_length;
    pcap_header.len = (bpf_u_int32) reported_length;
    pcap_header.ts.tv_sec = seconds;
    pcap_header.ts.tv_usec = nanoseconds / 1000;

    pcap_dump((u_char *) extcap_dumper.dumper.pcap, &pcap_header, buffer);
    if (pcap_dump_flush(extcap_dumper.dumper.pcap) == -1) {
        g_warning("Write to %s failed: %s", g_strerror(errno));
    }
#else
    int                 err = 0;
    char               *err_info;
    wtap_rec            rec;

    rec.rec_type = REC_TYPE_PACKET;
    rec.presence_flags = WTAP_HAS_TS;
    rec.rec_header.packet_header.caplen = (guint32) captured_length;
    rec.rec_header.packet_header.len = (guint32) reported_length;

    rec.ts.secs = seconds;
    rec.ts.nsecs = (int) nanoseconds;

    rec.opt_comment = 0;
    rec.opt_comment = NULL;
    rec.rec_header.packet_header.drop_count = 0;
    rec.rec_header.packet_header.pack_flags = 0;

/*  NOTE: Try to handle pseudoheaders manually */
    if (extcap_dumper.encap == EXTCAP_ENCAP_BLUETOOTH_H4_WITH_PHDR) {
        uint32_t *direction;

        SET_DATA(direction, value_u32, buffer)

        rec.rec_header.packet_header.pseudo_header.bthci.sent = GINT32_FROM_BE(*direction) ? 0 : 1;

        rec.rec_header.packet_header.len -= (guint32)sizeof(own_pcap_bluetooth_h4_header);
        rec.rec_header.packet_header.caplen -= (guint32)sizeof(own_pcap_bluetooth_h4_header);

        buffer += sizeof(own_pcap_bluetooth_h4_header);
        rec.rec_header.packet_header.pkt_encap = WTAP_ENCAP_BLUETOOTH_H4_WITH_PHDR;
    }
    else if (extcap_dumper.encap == EXTCAP_ENCAP_ETHERNET) {
        rec.rec_header.packet_header.pkt_encap = WTAP_ENCAP_ETHERNET;
    }
    else {
        rec.rec_header.packet_header.pkt_encap = WTAP_ENCAP_WIRESHARK_UPPER_PDU;
    }

    if (!wtap_dump(extcap_dumper.dumper.wtap, &rec, (const guint8 *) buffer, &err, &err_info)) {
        cfile_write_failure_message("androiddump", NULL, fifo, err, err_info,
                                    0, WTAP_FILE_TYPE_SUBTYPE_PCAP_NSEC);
        return FALSE;
    }

    wtap_dump_flush(extcap_dumper.dumper.wtap);
#endif

    return TRUE;
}


static socket_handle_t adb_connect(const char *server_ip, unsigned short *server_tcp_port) {
    socket_handle_t    sock;
    socklen_t          length;
    struct sockaddr_in server;
    struct sockaddr_in client;
    int                status;
    int                tries = 0;

    memset(&server, 0x0, sizeof(server));

    server.sin_family = AF_INET;
    server.sin_port = GINT16_TO_BE(*server_tcp_port);
    ws_inet_pton4(server_ip, &(server.sin_addr.s_addr));

    if ((sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == INVALID_SOCKET) {
        g_warning("Cannot open system TCP socket: %s", strerror(errno));
        return INVALID_SOCKET;
    }

    useNonBlockingConnectTimeout(sock);
    while (tries < SOCKET_CONNECT_TIMEOUT_TRIES) {
        status = connect(sock, (struct sockaddr *) &server, (socklen_t)sizeof(server));
        tries += 1;

#ifdef _WIN32
        if ((status == SOCKET_ERROR) && (WSAGetLastError() == WSAEWOULDBLOCK)) {
            const struct timeval timeout = {
                .tv_sec = 0,
                .tv_usec = SOCKET_CONNECT_DELAY_US,
            };
            fd_set fdset;
            FD_ZERO(&fdset);
            FD_SET(sock, &fdset);
            if ((select(0, NULL, &fdset, NULL, &timeout) != 0) && (FD_ISSET(sock, &fdset))) {
                status = 0;
            }
        }
#endif

        if (status != SOCKET_ERROR)
            break;
        g_usleep(SOCKET_CONNECT_DELAY_US);
    }
    useNormalConnectTimeout(sock);

    if (status == SOCKET_ERROR) {
#if 0
/* NOTE: This does not work well - make significant delay while initializing Wireshark.
         Do fork() then call "adb" also does not make sense, because there is need to
         do something like sleep(1) to ensure adb is started... system() cannot be used
         on Windows, because open console window. This helper does not work as expected,
         so disable it and user must ensure that adb is started (adb start-server,
         but also all other command start-server automatically)
*/
#ifdef _WIN32
        if (_execlp("adb", "adb", "start-server", NULL)) {
#else
        if (execlp("adb", "adb", "start-server", NULL)) {
#endif
            errmsg("WARNING: Cannot execute system command to start adb: %s", strerror(errno));
            closesocket(sock);
            return INVALID_SOCKET;
        };

        if (connect(sock, (struct sockaddr *) &server, (socklen_t)sizeof(server)) == SOCKET_ERROR) {
            g_warning("Cannot connect to ADB: <%s> Please check that adb daemon is running.", strerror(errno));
            closesocket(sock);
            return INVALID_SOCKET;
        }
#else
    g_debug("Cannot connect to ADB: <%s> Please check that adb daemon is running.", strerror(errno));
    closesocket(sock);
    return INVALID_SOCKET;
#endif
    }

    length = sizeof(client);
    if (getsockname(sock, (struct sockaddr *) &client, &length)) {
        g_warning("getsockname: %s", strerror(errno));
        closesocket(sock);
        return INVALID_SOCKET;
    }

    if (length != sizeof(client)) {
        g_warning("incorrect length");
        closesocket(sock);
        return INVALID_SOCKET;
    }

    g_debug("Client port %u", GUINT16_FROM_BE(client.sin_port));

    return sock;
}


static char *adb_send_and_receive(socket_handle_t sock, const char *adb_service,
        char *buffer, size_t buffer_length, size_t *data_length) {
    size_t   used_buffer_length;
    size_t   bytes_to_read;
    guint32  length;
    gssize   result;
    char     status[4];
    char     tmp_buffer;
    size_t   adb_service_length;

    adb_service_length = strlen(adb_service);
    if (adb_service_length > INT_MAX) {
        g_warning("Service name too long when sending <%s> to ADB daemon", adb_service);
        if (data_length)
            *data_length = 0;
        return NULL;
    }

    /* 8 bytes of hex length + terminating NUL */
    if (buffer_length < 9) {
        g_warning("Buffer for response too short while sending <%s> to ADB daemon", adb_service);
        if (data_length)
            *data_length = 0;
        return NULL;
    }

    g_snprintf(buffer, (gulong)buffer_length, ADB_HEX4_FORMAT, adb_service_length);
    result = send(sock, buffer, ADB_HEX4_LEN, 0);
    if (result < ADB_HEX4_LEN) {
        g_warning("Error while sending <%s> length to ADB daemon", adb_service);
        return NULL;
    }

    result = send(sock, adb_service, (int) adb_service_length, 0);
    if (result != (gssize) adb_service_length) {
        g_warning("Error while sending <%s> to ADB daemon", adb_service);
        if (data_length)
            *data_length = 0;
        return NULL;
    }

    used_buffer_length = 0;
    while (used_buffer_length < 8) {
        bytes_to_read = buffer_length - used_buffer_length;
        if (bytes_to_read > INT_MAX)
            bytes_to_read = INT_MAX;
        result = recv(sock, buffer + used_buffer_length,  (int)bytes_to_read, 0);

        if (result <= 0) {
            g_warning("Broken socket connection while fetching reply status for <%s>", adb_service);
            if (data_length)
                *data_length = 0;
            return NULL;
        }

        used_buffer_length += result;
    }

    memcpy(status, buffer, 4);
    tmp_buffer = buffer[8];
    buffer[8] = '\0';
    if (!ws_hexstrtou32(buffer + 4, NULL, &length)) {
        g_warning("Invalid reply length <%s> while reading reply for <%s>", buffer + 4, adb_service);
        if (data_length)
            *data_length = 0;
        return NULL;
    }
    buffer[8] = tmp_buffer;

    if (buffer_length < length + 8) {
        g_warning("Buffer for response too short while sending <%s> to ADB daemon", adb_service);
        if (data_length)
            *data_length = 0;
        return NULL;
    }

    while (used_buffer_length < length + 8) {
        bytes_to_read = buffer_length - used_buffer_length;
        if (bytes_to_read > INT_MAX)
            bytes_to_read = INT_MAX;
        result = recv(sock, buffer + used_buffer_length,  (int)bytes_to_read, 0);

        if (result <= 0) {
            g_warning("Broken socket connection while reading reply for <%s>", adb_service);
            if (data_length)
                *data_length = 0;
            return NULL;
        }

        used_buffer_length += result;
    }

    if (data_length)
        *data_length = used_buffer_length - 8;

    if (memcmp(status, "OKAY", 4)) {
        g_warning("Error while receiving by ADB for <%s>", adb_service);
        if (data_length)
            *data_length = 0;
        return NULL;
    }

    return buffer + 8;
}


static char *adb_send_and_read(socket_handle_t sock, const char *adb_service, char *buffer,
        int buffer_length, gssize *data_length) {
    gssize   used_buffer_length;
    gssize   result;
    char     status[4];
    size_t   adb_service_length;

    adb_service_length = strlen(adb_service);
    g_snprintf(buffer, buffer_length, ADB_HEX4_FORMAT, adb_service_length);

    result = send(sock, buffer, ADB_HEX4_LEN, 0);
    if (result < ADB_HEX4_LEN) {
        g_warning("Error while sending <%s> to ADB daemon", adb_service);
        return NULL;
    }

    result = send(sock, adb_service, (int) adb_service_length, 0);
    if (result != (gssize) adb_service_length) {
        g_warning("Error while sending <%s> to ADB", adb_service);
        if (data_length)
            *data_length = 0;
        return NULL;
    }

    used_buffer_length = 0;
    while (used_buffer_length < 4) {
        result = recv(sock, buffer + used_buffer_length,  (int)(buffer_length - used_buffer_length), 0);

        if (result <= 0) {
            g_warning("Broken socket connection while fetching reply status for <%s>", adb_service);

            return NULL;
        }

        used_buffer_length += result;
    }

    memcpy(status, buffer, 4);

    while (result > 0) {
        result= recv(sock, buffer + used_buffer_length,  (int)(buffer_length - used_buffer_length), 0);

        if (result < 0) {
            g_warning("Broken socket connection while reading reply for <%s>", adb_service);

            return NULL;
        } else if (result == 0) {
            break;
        }

        used_buffer_length += result;
    }

    if (data_length)
        *data_length = used_buffer_length - 4;

    if (memcmp(status, "OKAY", 4)) {
        g_warning("Error while receiving by ADB for <%s>", adb_service);
        if (data_length)
            *data_length = 0;
        return NULL;
    }

    return buffer + 4;
}


static int adb_send(socket_handle_t sock, const char *adb_service) {
    char buffer[5];
    int      used_buffer_length;
    gssize   result;
    size_t   adb_service_length;

    adb_service_length = strlen(adb_service);
    g_snprintf(buffer, sizeof(buffer), ADB_HEX4_FORMAT, adb_service_length);

    result = send(sock, buffer, ADB_HEX4_LEN, 0);
    if (result < ADB_HEX4_LEN) {
        g_warning("Error while sending <%s> to ADB daemon", adb_service);
        return EXIT_CODE_ERROR_WHILE_SENDING_ADB_PACKET_1;
    }

    result = send(sock, adb_service, (int) adb_service_length, 0);
    if (result != (gssize) adb_service_length) {
        g_warning("Error while sending <%s> to ADB", adb_service);
        return EXIT_CODE_ERROR_WHILE_SENDING_ADB_PACKET_1;
    }

    used_buffer_length = 0;
    while (used_buffer_length < 4) {
        result = recv(sock, buffer + used_buffer_length, 4 - used_buffer_length, 0);

        if (result <= 0) {
            g_warning("Broken socket connection while fetching reply status for <%s>", adb_service);

            return EXIT_CODE_ERROR_WHILE_RECEIVING_ADB_PACKET_STATUS;
        }

        used_buffer_length += (int)result;
    }

    if (memcmp(buffer, "OKAY", 4)) {
        g_debug("Error while receiving by ADB for <%s>", adb_service);

        return EXIT_CODE_ERROR_WHILE_RECEIVING_ADB_PACKET_DATA;
    }

    return EXIT_CODE_SUCCESS;
}


static socket_handle_t
adb_connect_transport(const char *server_ip, unsigned short *server_tcp_port,
                      const char* serial_number)
{
    static const char *const adb_transport_serial_templace = "host:transport:%s";
    static const char *const adb_transport_any  = "host:transport-any";
    char transport_buf[80];
    const char* transport = transport_buf;
    socket_handle_t sock;
    gssize result;

    sock = adb_connect(server_ip, server_tcp_port);
    if (sock == INVALID_SOCKET) {
        g_warning("Error while connecting to adb server");
        return sock;
    }

    if (!serial_number) {
        transport = adb_transport_any;
    } else {
        result = g_snprintf(transport_buf, sizeof(transport_buf), adb_transport_serial_templace, serial_number);
        if (result <= 0 || result > (int)sizeof(transport_buf)) {
            g_warning("Error while completing adb packet for transport");
            closesocket(sock);
            return INVALID_SOCKET;
        }
    }

    result = adb_send(sock, transport);
    if (result) {
        g_warning("Error while setting adb transport for <%s>", transport_buf);
        closesocket(sock);
        return INVALID_SOCKET;
    }
    return sock;
}


static void new_interface(extcap_parameters * extcap_conf, const gchar *interface_id,
        const gchar *model_name, const gchar *serial_number, const gchar *display_name)
{
    char *interface = g_strdup_printf("%s-%s", interface_id, serial_number);
    char *ifdisplay = g_strdup_printf("%s %s %s", display_name, model_name, serial_number);

    if (is_specified_interface(interface, INTERFACE_ANDROID_BLUETOOTH_HCIDUMP) ||
            is_specified_interface(interface, INTERFACE_ANDROID_BLUETOOTH_EXTERNAL_PARSER) ||
            is_specified_interface(interface, INTERFACE_ANDROID_BLUETOOTH_BTSNOOP_NET)) {

        extcap_base_register_interface_ext(extcap_conf, interface, ifdisplay, 99, "BluetoothH4", "Bluetooth HCI UART transport layer plus pseudo-header" );
    } else if (is_logcat_interface(interface) || is_logcat_text_interface(interface)) {
        extcap_base_register_interface(extcap_conf, interface, ifdisplay, 252, "Upper PDU" );
    } else if (is_specified_interface(interface, INTERFACE_ANDROID_TCPDUMP)) {
        extcap_base_register_interface(extcap_conf, interface, ifdisplay, 1, "Ethernet");
    }
    g_free(interface);
    g_free(ifdisplay);
}


static void new_fake_interface_for_list_dlts(extcap_parameters * extcap_conf,
        const gchar *ifname)
{
    if (is_specified_interface(ifname, INTERFACE_ANDROID_BLUETOOTH_HCIDUMP) ||
            is_specified_interface(ifname, INTERFACE_ANDROID_BLUETOOTH_EXTERNAL_PARSER) ||
            is_specified_interface(ifname, INTERFACE_ANDROID_BLUETOOTH_BTSNOOP_NET)) {
        extcap_base_register_interface_ext(extcap_conf, ifname, ifname, 99, "BluetoothH4", "Bluetooth HCI UART transport layer plus pseudo-header" );
    } else if (is_logcat_interface(ifname) || is_logcat_text_interface(ifname)) {
        extcap_base_register_interface(extcap_conf, ifname, ifname, 252, "Upper PDU" );
    } else if (is_specified_interface(ifname, INTERFACE_ANDROID_TCPDUMP)) {
        extcap_base_register_interface(extcap_conf, ifname, ifname, 1, "Ethernet");
    }
}


static int add_tcpdump_interfaces(extcap_parameters * extcap_conf, const char *adb_server_ip, unsigned short *adb_server_tcp_port, const char *serial_number)
{
    static const char *const adb_tcpdump_list = "shell:tcpdump -D";
    static const char *const regex_ifaces = "\\d+\\.(?<iface>\\S+)(\\s+?(?:(?:\\(.*\\))*)(\\s*?\\[(?<flags>.*?)\\])?)?";
    static char recv_buffer[PACKET_LENGTH];
    char *response;
    gssize data_length;
    socket_handle_t sock;
    GRegex* regex = NULL;
    GError *err = NULL;
    GMatchInfo *match = NULL;
    char* tok;
    char iface_name[80];
    gboolean flags_supported;

    sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
    if (sock == INVALID_SOCKET) {
        g_warning("Failed to connect to adb server");
        return EXIT_CODE_GENERIC;
    }

    response = adb_send_and_read(sock, adb_tcpdump_list, recv_buffer, sizeof(recv_buffer), &data_length);
    closesocket(sock);

    if (!response) {
        g_warning("Failed to get list of available tcpdump interfaces");
        return EXIT_CODE_GENERIC;
    }
    response[data_length] = '\0';

    regex = g_regex_new(regex_ifaces, (GRegexCompileFlags)0, (GRegexMatchFlags)0, &err);
    if (!regex) {
        g_warning("Failed to compile regex for tcpdump interface matching");
        return EXIT_CODE_GENERIC;
    }

    flags_supported = (strstr(response, "[") != 0) && (strstr(response, "]") != 0);

    tok = strtok(response, "\n");
    while (tok != NULL) {
        g_regex_match(regex, tok, (GRegexMatchFlags)0, &match);
        if (g_match_info_matches(match)) {
            gchar *iface = g_match_info_fetch_named(match, "iface");
            gchar *flags = g_match_info_fetch_named(match, "flags");

            if (!flags_supported || (flags && strstr(flags, "Up"))) {
                g_snprintf(iface_name, sizeof(iface_name), INTERFACE_ANDROID_TCPDUMP_FORMAT, iface);
                new_interface(extcap_conf, iface_name, iface, serial_number, "Android tcpdump");
            }
            g_free(flags);
            g_free(iface);
        }
        g_match_info_free(match);
        tok = strtok(NULL, "\n");
    }
    g_regex_unref(regex);
    return 0;
}


static int register_interfaces(extcap_parameters * extcap_conf, const char *adb_server_ip, unsigned short *adb_server_tcp_port) {
    static char            packet[PACKET_LENGTH];
    static char            helpful_packet[PACKET_LENGTH];
    char                   check_port_buf[80];
    char                  *response;
    char                  *device_list;
    gssize                 data_length;
    size_t                 device_length;
    socket_handle_t        sock;
    const char            *adb_check_port_templace       = "shell:cat /proc/%s/net/tcp";
    const char            *adb_devices            = "host:devices-l";
    const char            *adb_api_level          = "shell:getprop ro.build.version.sdk";
    const char            *adb_hcidump_version    = "shell:hcidump --version";
    const char            *adb_ps_droid_bluetooth = "shell:ps droid.bluetooth";
    const char            *adb_ps_bluetooth_app   = "shell:ps com.android.bluetooth";
    const char            *adb_ps_with_grep       = "shell:ps | grep com.android.bluetooth";
    const char            *adb_ps_all_with_grep   = "shell:ps -A | grep com.android.bluetooth";
    char                   serial_number[SERIAL_NUMBER_LENGTH_MAX];
    char                   model_name[MODEL_NAME_LENGTH_MAX];
    int                    result;
    char                  *pos;
    char                  *i_pos;
    char                  *model_pos;
    char                  *device_pos;
    char                  *prev_pos;
    int                    api_level;
    int                    disable_interface;

/* NOTE: It seems that "adb devices" and "adb shell" closed connection
         so cannot send next command after them, there is need to reconnect */

    sock = adb_connect(adb_server_ip, adb_server_tcp_port);
    if (sock == INVALID_SOCKET)
        return EXIT_CODE_INVALID_SOCKET_INTERFACES_LIST;

    device_list = adb_send_and_receive(sock, adb_devices, packet, sizeof(packet), &device_length);
    closesocket(sock);

    if (!device_list) {
        g_warning("Cannot get list of interfaces from devices");

        return EXIT_CODE_CANNOT_GET_INTERFACES_LIST;
    }

    device_list[device_length] = '\0';
    pos = (char *) device_list;

    while (pos < (char *) (device_list + device_length)) {
        prev_pos = pos;
        pos = strchr(pos, ' ');
        i_pos = pos;
        result = (int) (pos - prev_pos);
        pos = strchr(pos, '\n') + 1;
        if (result >= (int) sizeof(serial_number)) {
            g_warning("Serial number too long, ignore device");
            continue;
        }
        memcpy(serial_number, prev_pos, result);
        serial_number[result] = '\0';

        model_name[0] = '\0';
        model_pos = g_strstr_len(i_pos, pos - i_pos, "model:");
        if (model_pos) {
            device_pos = g_strstr_len(i_pos, pos - i_pos, "device:");
            if (device_pos && device_pos - model_pos - 6 - 1 < MODEL_NAME_LENGTH_MAX) {
                memcpy(model_name, model_pos + 6, device_pos - model_pos - 6 - 1);
                model_name[device_pos - model_pos - 6 - 1] = '\0';
            }
        }

        if (model_name[0] == '\0')
            strcpy(model_name, "unknown");

        g_debug("Processing device: \"%s\" <%s>" , serial_number, model_name);

        /* Function will only add tcpdump interfaces if tcpdump is present on the device */
        result = add_tcpdump_interfaces(extcap_conf, adb_server_ip, adb_server_tcp_port, serial_number  );
        if (result) {
            g_warning("Error while adding tcpdump interfaces");
        }

        sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
        if (sock == INVALID_SOCKET) continue;

        response = adb_send_and_read(sock, adb_api_level, helpful_packet, sizeof(helpful_packet), &data_length);
        closesocket(sock);

        if (!response) {
            g_warning("Error on socket: <%s>", helpful_packet);
            continue;
        }

        response[data_length] = '\0';
        api_level = (int) g_ascii_strtoll(response, NULL, 10);
        g_debug("Android API Level for %s is %i", serial_number, api_level);

        if (api_level < 21) {
            new_interface(extcap_conf, INTERFACE_ANDROID_LOGCAT_MAIN,   model_name, serial_number, "Android Logcat Main");
            new_interface(extcap_conf, INTERFACE_ANDROID_LOGCAT_SYSTEM, model_name, serial_number, "Android Logcat System");
            new_interface(extcap_conf, INTERFACE_ANDROID_LOGCAT_RADIO,  model_name, serial_number, "Android Logcat Radio");
            new_interface(extcap_conf, INTERFACE_ANDROID_LOGCAT_EVENTS, model_name, serial_number, "Android Logcat Events");

            new_interface(extcap_conf, INTERFACE_ANDROID_LOGCAT_TEXT_MAIN,   model_name, serial_number, "Android Logcat Main");
            new_interface(extcap_conf, INTERFACE_ANDROID_LOGCAT_TEXT_SYSTEM, model_name, serial_number, "Android Logcat System");
            new_interface(extcap_conf, INTERFACE_ANDROID_LOGCAT_TEXT_RADIO,  model_name, serial_number, "Android Logcat Radio");
            new_interface(extcap_conf, INTERFACE_ANDROID_LOGCAT_TEXT_EVENTS, model_name, serial_number, "Android Logcat Events");
        } else {
            new_interface(extcap_conf, INTERFACE_ANDROID_LOGCAT_TEXT_MAIN,   model_name, serial_number, "Android Logcat Main");
            new_interface(extcap_conf, INTERFACE_ANDROID_LOGCAT_TEXT_SYSTEM, model_name, serial_number, "Android Logcat System");
            new_interface(extcap_conf, INTERFACE_ANDROID_LOGCAT_TEXT_RADIO,  model_name, serial_number, "Android Logcat Radio");
            new_interface(extcap_conf, INTERFACE_ANDROID_LOGCAT_TEXT_EVENTS, model_name, serial_number, "Android Logcat Events");
            new_interface(extcap_conf, INTERFACE_ANDROID_LOGCAT_TEXT_CRASH,  model_name, serial_number, "Android Logcat Crash");
        }

        if (api_level >= 5 && api_level < 17) {
            disable_interface = 0;

            sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
            if (sock == INVALID_SOCKET) continue;

            response = adb_send_and_read(sock, adb_hcidump_version, helpful_packet, sizeof(helpful_packet), &data_length);
            closesocket(sock);

            if (!response || data_length < 1) {
                g_warning("Error while getting hcidump version by <%s> (%p len=%"G_GSSIZE_FORMAT")",
                    adb_hcidump_version, (void*)response, data_length);
                g_debug("Android hcidump version for %s is unknown", serial_number);
                disable_interface = 1;
            } else {
                response[data_length] = '\0';

                if (g_ascii_strtoull(response, NULL, 10) == 0) {
                    g_debug("Android hcidump version for %s is unknown", serial_number);
                    disable_interface = 1;
                } else {
                    g_debug("Android hcidump version for %s is %s", serial_number, response);
                }
            }

            if (!disable_interface) {
                new_interface(extcap_conf, INTERFACE_ANDROID_BLUETOOTH_HCIDUMP, model_name, serial_number, "Android Bluetooth Hcidump");
            }
        }

        if (api_level >= 17 && api_level < 21) {
            disable_interface = 0;
            sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
            if (sock == INVALID_SOCKET) continue;

            response = adb_send_and_read(sock, adb_ps_droid_bluetooth, helpful_packet, sizeof(helpful_packet), &data_length);
            closesocket(sock);
            if (!response || data_length < 1) {
                g_warning("Error while getting Bluetooth application process id by <%s> "
                    "(%p len=%"G_GSSIZE_FORMAT")", adb_ps_droid_bluetooth, (void*)response, data_length);
                g_debug( "Android Bluetooth application PID for %s is unknown", serial_number);
                disable_interface = 1;
            } else {
                char  *data_str;
                char   pid[16];

                memset(pid, 0, sizeof(pid));
                response[data_length] = '\0';

                data_str = strchr(response, '\n');
                if (data_str && sscanf(data_str, "%*s %15s", pid) == 1) {
                    g_debug("Android Bluetooth application PID for %s is %s", serial_number, pid);

                    result = g_snprintf(check_port_buf, sizeof(check_port_buf), adb_check_port_templace, pid);
                    if (result <= 0 || result > (int)sizeof(check_port_buf)) {
                        g_warning("Error while completing adb packet");
                        return EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_6;
                    }

                    sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
                    if (sock == INVALID_SOCKET) continue;

                    response = adb_send_and_read(sock, check_port_buf, helpful_packet, sizeof(helpful_packet), &data_length);
                    closesocket(sock);

                    if (!response) {
                        disable_interface = 1;
                    } else {
                        response[data_length] = '\0';

                        data_str = strchr(response, '\n');
                        if (data_str && sscanf(data_str, "%*s %15s", pid) == 1 && strlen(pid) > 10 && strcmp(pid + 9, "10EA") == 0) {
                            g_debug("Bluedroid External Parser Port for %s is %s", serial_number, pid + 9);
                        } else {
                            disable_interface = 1;
                            g_debug("Bluedroid External Parser Port for %s is unknown", serial_number);
                        }
                    }
                } else {
                    disable_interface = 1;
                    g_debug("Android Bluetooth application PID for %s is unknown", serial_number);
                }
            }

            if (!disable_interface) {
                new_interface(extcap_conf, INTERFACE_ANDROID_BLUETOOTH_EXTERNAL_PARSER, model_name, serial_number, "Android Bluetooth External Parser");
            }
        }

        if (api_level >= 21) {
            const char* ps_cmd;
            disable_interface = 0;

            if (api_level >= 26) {
                ps_cmd = adb_ps_all_with_grep;
            } else if (api_level >= 24) {
                ps_cmd = adb_ps_with_grep;
            } else if (api_level >= 23) {
                ps_cmd = adb_ps_bluetooth_app;
            }  else {
                ps_cmd = adb_ps_droid_bluetooth;
            }
            sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
            if (sock == INVALID_SOCKET) continue;

            response = adb_send_and_read(sock, ps_cmd, helpful_packet, sizeof(helpful_packet), &data_length);
            closesocket(sock);

            if (!response || data_length < 1) {
                g_warning("Error while getting Bluetooth application process id by <%s> "
                    "(%p len=%"G_GSSIZE_FORMAT")", ps_cmd, (void*)response, data_length);
                g_debug("Android Bluetooth application PID for %s is unknown", serial_number);
                disable_interface = 1;
            } else {
                char  *data_str;
                char   pid[16];

                memset(pid, 0, sizeof(pid));
                response[data_length] = '\0';

                if (api_level >= 24)
                    data_str = response;
                else
                    data_str = strchr(response, '\n');

                if (data_str && sscanf(data_str, "%*s %15s", pid) == 1) {
                    g_debug("Android Bluetooth application PID for %s is %s", serial_number, pid);

                    result = g_snprintf(check_port_buf, sizeof(check_port_buf), adb_check_port_templace, pid);
                    if (result <= 0 || result > (int)sizeof(check_port_buf)) {
                        g_warning("Error while completing adb packet");
                        return EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_9;
                    }

                    sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
                    if (sock == INVALID_SOCKET) continue;

                    response = adb_send_and_read(sock, check_port_buf, helpful_packet, sizeof(helpful_packet), &data_length);
                    closesocket(sock);

                    if (!response) {
                        disable_interface = 1;
                    } else {
                        response[data_length] = '\0';
                        data_str = strtok(response, "\n");
                        while (data_str != NULL) {
                            if (data_str && sscanf(data_str, "%*s %15s", pid) == 1 && strlen(pid) > 10 && strcmp(pid + 9, "22A8") == 0) {
                                g_debug("Btsnoop Net Port for %s is %s", serial_number, pid + 9);
                                break;
                            }
                            data_str = strtok(NULL, "\n");
                        }
                        if (data_str == NULL) {
                            disable_interface = 1;
                            g_debug("Btsnoop Net Port for %s is unknown", serial_number);
                        }
                    }
                } else {
                    disable_interface = 1;
                    g_debug("Android Bluetooth application PID for %s is unknown", serial_number);
                }
            }

            if (!disable_interface) {
                new_interface(extcap_conf, INTERFACE_ANDROID_BLUETOOTH_BTSNOOP_NET, model_name, serial_number, "Android Bluetooth Btsnoop Net");
            }
        }
    }

    return EXIT_CODE_SUCCESS;
}

static int list_config(char *interface) {
    int ret = EXIT_CODE_INVALID_INTERFACE;
    unsigned inc = 0;

    if (!interface) {
        g_warning("No interface specified.");
        return EXIT_CODE_NO_INTERFACE_SPECIFIED;
    }

    if (is_specified_interface(interface, INTERFACE_ANDROID_BLUETOOTH_EXTERNAL_PARSER)) {
        printf("arg {number=%u}{call=--adb-server-ip}{display=ADB Server IP Address}{type=string}{default=127.0.0.1}\n", inc++);
        printf("arg {number=%u}{call=--adb-server-tcp-port}{display=ADB Server TCP Port}{type=integer}{range=0,65535}{default=5037}\n", inc++);
        printf("arg {number=%u}{call=--bt-server-tcp-port}{display=Bluetooth Server TCP Port}{type=integer}{range=0,65535}{default=4330}\n", inc++);
        printf("arg {number=%u}{call=--bt-forward-socket}{display=Forward Bluetooth Socket}{type=boolean}{default=false}\n", inc++);
        printf("arg {number=%u}{call=--bt-local-ip}{display=Bluetooth Local IP Address}{type=string}{default=127.0.0.1}\n", inc++);
        printf("arg {number=%u}{call=--bt-local-tcp-port}{display=Bluetooth Local TCP Port}{type=integer}{range=0,65535}{default=4330}{tooltip=Used to do \"adb forward tcp:LOCAL_TCP_PORT tcp:SERVER_TCP_PORT\"}\n", inc++);
        printf("arg {number=%u}{call=--verbose}{display=Verbose/Debug output on console}{type=boolean}{default=false}\n", inc++);
        ret = EXIT_CODE_SUCCESS;
    } else  if (is_specified_interface(interface, INTERFACE_ANDROID_BLUETOOTH_HCIDUMP) ||
            is_specified_interface(interface, INTERFACE_ANDROID_BLUETOOTH_BTSNOOP_NET) ||
            is_specified_interface(interface, INTERFACE_ANDROID_TCPDUMP)) {
        printf("arg {number=%u}{call=--adb-server-ip}{display=ADB Server IP Address}{type=string}{default=127.0.0.1}\n", inc++);
        printf("arg {number=%u}{call=--adb-server-tcp-port}{display=ADB Server TCP Port}{type=integer}{range=0,65535}{default=5037}\n", inc++);
        printf("arg {number=%u}{call=--verbose}{display=Verbose/Debug output on console}{type=boolean}{default=false}\n", inc++);
        ret = EXIT_CODE_SUCCESS;
    } else if (is_logcat_interface(interface)) {
        printf("arg {number=%u}{call=--adb-server-ip}{display=ADB Server IP Address}{type=string}{default=127.0.0.1}\n", inc++);
        printf("arg {number=%u}{call=--adb-server-tcp-port}{display=ADB Server TCP Port}{type=integer}{range=0,65535}{default=5037}\n", inc++);
        printf("arg {number=%u}{call=--logcat-text}{display=Use text logcat}{type=boolean}{default=false}\n", inc++);
        printf("arg {number=%u}{call=--logcat-ignore-log-buffer}{display=Ignore log buffer}{type=boolean}{default=false}\n", inc++);
        printf("arg {number=%u}{call=--logcat-custom-options}{display=Custom logcat parameters}{type=string}\n", inc++);
        printf("arg {number=%u}{call=--verbose}{display=Verbose/Debug output on console}{type=boolean}{default=false}\n", inc++);
        ret = EXIT_CODE_SUCCESS;
    } else if (is_logcat_text_interface(interface)) {
        printf("arg {number=%u}{call=--adb-server-ip}{display=ADB Server IP Address}{type=string}{default=127.0.0.1}\n", inc++);
        printf("arg {number=%u}{call=--adb-server-tcp-port}{display=ADB Server TCP Port}{type=integer}{range=0,65535}{default=5037}\n", inc++);
        printf("arg {number=%u}{call=--logcat-ignore-log-buffer}{display=Ignore log buffer}{type=boolean}{default=false}\n", inc++);
        printf("arg {number=%u}{call=--logcat-custom-options}{display=Custom logcat parameters}{type=string}\n", inc++);
        printf("arg {number=%u}{call=--verbose}{display=Verbose/Debug output on console}{type=boolean}{default=false}\n", inc++);
        ret = EXIT_CODE_SUCCESS;
    }

    if (ret != EXIT_CODE_SUCCESS)
        g_warning("Invalid interface: <%s>", interface);
    else
        extcap_config_debug(&inc);

    return ret;
}

/*----------------------------------------------------------------------------*/
/* Android Bluetooth Hcidump */
/*----------------------------------------------------------------------------*/

static int capture_android_bluetooth_hcidump(char *interface, char *fifo,
        const char *adb_server_ip, unsigned short *adb_server_tcp_port) {
    struct extcap_dumper           extcap_dumper;
    static char                    data[PACKET_LENGTH];
    static char                    packet[PACKET_LENGTH];
    gssize                         length;
    gssize                         used_buffer_length = 0;
    socket_handle_t                sock = INVALID_SOCKET;
    const char                    *adb_shell_hcidump = "shell:hcidump -R -t";
    const char                    *adb_shell_su_hcidump = "shell:su -c hcidump -R -t";
    int                            result;
    char                          *serial_number;
    time_t                         ts = 0;
    unsigned int                   captured_length;
    gint64                         hex;
    char                          *hex_data;
    char                          *new_hex_data;
    own_pcap_bluetooth_h4_header  *h4_header;
    gint64                         raw_length = 0;
    gint64                         frame_length;
    int                            ms = 0;
    struct tm                      date;
    char                           direction_character;

    SET_DATA(h4_header, value_own_pcap_bluetooth_h4_header, packet);

    extcap_dumper = extcap_dumper_open(fifo, EXTCAP_ENCAP_BLUETOOTH_H4_WITH_PHDR);

    serial_number = get_serial_from_interface(interface);
    sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
    if (sock == INVALID_SOCKET)
        return EXIT_CODE_INVALID_SOCKET_3;

    result = adb_send(sock, adb_shell_hcidump);
    if (result) {
        g_warning("Error while starting capture by sending command: %s", adb_shell_hcidump);
        closesocket(sock);
        return EXIT_CODE_GENERIC;
    }

    while (endless_loop) {
        char  *i_position;

        errno = 0;
        length = recv(sock, data + used_buffer_length, (int)(PACKET_LENGTH - used_buffer_length), 0);
        if (errno == EAGAIN
#if EWOULDBLOCK != EAGAIN
            || errno == EWOULDBLOCK
#endif
            ) {
            continue;
        }
        else if (errno != 0) {
            g_warning("ERROR capture: %s", strerror(errno));
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        if (length <= 0) {
            g_warning("Broken socket connection.");
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        used_buffer_length += length;
        i_position =  (char *) memchr(data, '\n', used_buffer_length);
        if (i_position && i_position < data + used_buffer_length) {
            char *state_line_position = i_position + 1;

            if (!strncmp(data, "/system/bin/sh: hcidump: not found", 34)) {
                g_warning("Command not found for <%s>", adb_shell_hcidump);
                closesocket(sock);
                return EXIT_CODE_GENERIC;
            }

            i_position =  (char *) memchr(i_position + 1, '\n', used_buffer_length);
            if (i_position) {
                i_position += 1;
                if (!strncmp(state_line_position, "Can't access device: Permission denied", 38)) {
                    g_warning("No permission for command <%s>", adb_shell_hcidump);
                    used_buffer_length = 0;
                    closesocket(sock);
                    sock = INVALID_SOCKET;
                    break;
                }
                memmove(data, i_position, used_buffer_length - (i_position - data));
                used_buffer_length = used_buffer_length - (gssize)(i_position - data);
                break;
            }
        }
    }

    if (sock == INVALID_SOCKET) {
        sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
        if (sock == INVALID_SOCKET)
            return EXIT_CODE_INVALID_SOCKET_4;

        result = adb_send(sock, adb_shell_su_hcidump);
        if (result) {
            g_warning("Error while starting capture by sending command: <%s>", adb_shell_su_hcidump);
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        used_buffer_length = 0;
        while (endless_loop) {
            char  *i_position;

            errno = 0;
            length = recv(sock, data + used_buffer_length, (int)(PACKET_LENGTH - used_buffer_length), 0);
            if (errno == EAGAIN
#if EWOULDBLOCK != EAGAIN
                || errno == EWOULDBLOCK
#endif
                ) {
                continue;
            }
            else if (errno != 0) {
                g_warning("ERROR capture: %s", strerror(errno));
                closesocket(sock);
                return EXIT_CODE_GENERIC;
            }

            if (length <= 0) {
                g_warning("Broken socket connection.");
                closesocket(sock);
                return EXIT_CODE_GENERIC;
            }

            used_buffer_length += length;
            i_position =  (char *) memchr(data, '\n', used_buffer_length);
            if (i_position && i_position < data + used_buffer_length) {
                if (!strncmp(data, "/system/bin/sh: su: not found", 29)) {
                    g_warning("Command 'su' not found for <%s>", adb_shell_su_hcidump);
                    closesocket(sock);
                    return EXIT_CODE_GENERIC;
                }

                i_position =  (char *) memchr(i_position + 1, '\n', used_buffer_length);
                if (i_position) {
                    i_position += 1;
                    memmove(data, i_position, used_buffer_length - (i_position - data));
                    used_buffer_length = used_buffer_length - (gssize)(i_position - data);
                    break;
                }
            }
        }
    }

    while (endless_loop) {
        errno = 0;
        length = recv(sock, data + used_buffer_length,  (int)(PACKET_LENGTH - used_buffer_length), 0);
        if (errno == EAGAIN
#if EWOULDBLOCK != EAGAIN
            || errno == EWOULDBLOCK
#endif
            ) {
            continue;
        }
        else if (errno != 0) {
            g_warning("ERROR capture: %s", strerror(errno));
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        if (length <= 0) {
            g_warning("Broken socket connection.");
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        while (endless_loop) {
            if (used_buffer_length + length >= 1) {
                hex_data = data + 29;
                hex = g_ascii_strtoll(hex_data, &new_hex_data, 16);

                if  ((hex == 0x01 && used_buffer_length + length >= 4) ||
                        (hex == 0x02 && used_buffer_length + length >= 5) ||
                        (hex == 0x04 && used_buffer_length + length >= 3)) {

                    if (hex == 0x01) {
                        hex_data = new_hex_data;
                        hex = g_ascii_strtoll(hex_data, &new_hex_data, 16);
                        if (hex < 0 || hex >= 256 || hex_data == new_hex_data) {
                            g_warning("data format %s", strerror(errno));
                            closesocket(sock);
                            return EXIT_CODE_GENERIC;
                        }

                        hex_data = new_hex_data;
                        hex = g_ascii_strtoll(hex_data, &new_hex_data, 16);
                        if (hex < 0 || hex >= 256 || hex_data == new_hex_data) {
                            g_warning("data format %s", strerror(errno));
                            closesocket(sock);
                            return EXIT_CODE_GENERIC;
                        }

                        hex_data = new_hex_data;
                        hex = g_ascii_strtoll(hex_data, &new_hex_data, 16);

                        raw_length = hex + 4;
                    } else if (hex == 0x04) {
                        hex_data = new_hex_data;
                        hex = g_ascii_strtoll(hex_data, &new_hex_data, 16);
                        if (hex < 0 || hex >= 256 || hex_data == new_hex_data) {
                            g_warning("data format %s", strerror(errno));
                            closesocket(sock);
                            return EXIT_CODE_GENERIC;
                        }

                        hex_data = new_hex_data;
                        hex = g_ascii_strtoll(hex_data, &new_hex_data, 16);

                        raw_length = hex + 3;
                    } else if (hex == 0x02) {
                        hex_data = new_hex_data;
                        hex = g_ascii_strtoll(hex_data, &new_hex_data, 16);
                        if (hex < 0 || hex >= 256 || hex_data == new_hex_data) {
                            g_warning("data format %s", strerror(errno));
                            closesocket(sock);
                            return EXIT_CODE_GENERIC;
                        }

                        hex_data = new_hex_data;
                        hex = g_ascii_strtoll(hex_data, &new_hex_data, 16);
                        if (hex < 0 || hex >= 256 || hex_data == new_hex_data) {
                            g_warning("data format %s", strerror(errno));
                            closesocket(sock);
                            return EXIT_CODE_GENERIC;
                        }

                        hex_data = new_hex_data;
                        hex = g_ascii_strtoll(hex_data, &new_hex_data, 16);
                        raw_length = hex + 5;

                        hex_data = new_hex_data;
                        hex = g_ascii_strtoll(hex_data, &new_hex_data, 16);
                        raw_length += hex << 8;
                    }

                } else {
                    g_warning("bad raw stream");
                    closesocket(sock);
                    return EXIT_CODE_GENERIC;
                }
            } else {
                used_buffer_length += length;
                break;
            }

            frame_length = raw_length * 3 + (raw_length / 20) * 4 + ((raw_length % 20) ? 2 : -2) + 29;

            if (used_buffer_length + length < frame_length) {
                used_buffer_length += length;
                break;
            }

            if (8 == sscanf(data, "%04d-%02d-%02d %02d:%02d:%02d.%06d %c",
                    &date.tm_year, &date.tm_mon, &date.tm_mday, &date.tm_hour,
                    &date.tm_min, &date.tm_sec, &ms, &direction_character)) {

                g_debug("time %04d-%02d-%02d %02d:%02d:%02d.%06d %c",
                            date.tm_year, date.tm_mon, date.tm_mday, date.tm_hour,
                            date.tm_min, date.tm_sec, ms, direction_character);
                date.tm_mon -= 1;
                date.tm_year -= 1900;
                date.tm_isdst = -1;
                ts = mktime(&date);

                new_hex_data = data + 29;
            }

            captured_length = 0;

            while ((long)(new_hex_data - data + sizeof(own_pcap_bluetooth_h4_header)) < frame_length) {
                hex_data = new_hex_data;
                hex = g_ascii_strtoll(hex_data, &new_hex_data, 16);

                packet[sizeof(own_pcap_bluetooth_h4_header) + captured_length] = (char) hex;
                captured_length += 1;
            }

            h4_header->direction = GINT32_TO_BE(direction_character == '>');

            endless_loop = extcap_dumper_dump(extcap_dumper, fifo, packet,
                    captured_length + sizeof(own_pcap_bluetooth_h4_header),
                    captured_length + sizeof(own_pcap_bluetooth_h4_header),
                    ts,
                    ms * 1000);

            if (used_buffer_length + length >= frame_length) {
                memmove(data, data + frame_length, (size_t)(used_buffer_length + length - frame_length));
                used_buffer_length = (gssize)(used_buffer_length + length - frame_length);
                length = 0;
                continue;
            }
            length = 0;
        }
    }

    closesocket(sock);
    return EXIT_CODE_SUCCESS;
}

/*----------------------------------------------------------------------------*/
/* Android Bluetooth External Parser */
/*----------------------------------------------------------------------------*/

#define BLUEDROID_H4_PACKET_TYPE  0
#define BLUEDROID_TIMESTAMP_SIZE  8
#define BLUEDROID_H4_SIZE  1

static const uint64_t BLUEDROID_TIMESTAMP_BASE = G_GUINT64_CONSTANT(0x00dcddb30f2f8000);

#define BLUEDROID_H4_PACKET_TYPE_HCI_CMD  0x01
#define BLUEDROID_H4_PACKET_TYPE_ACL      0x02
#define BLUEDROID_H4_PACKET_TYPE_SCO      0x03
#define BLUEDROID_H4_PACKET_TYPE_HCI_EVT  0x04

#define BLUEDROID_DIRECTION_SENT  0
#define BLUEDROID_DIRECTION_RECV  1

static int adb_forward(char *serial_number, const char *adb_server_ip, unsigned short *adb_server_tcp_port,
        unsigned short local_tcp_port, unsigned short server_tcp_port) {
    socket_handle_t       sock;
    int                   result;
    static char           helpful_packet[PACKET_LENGTH];
    static const char    *adb_forward_template = "%s%s:forward:tcp:%05u;tcp:%05u";

    sock = adb_connect(adb_server_ip, adb_server_tcp_port);
    if (sock == INVALID_SOCKET)
        return EXIT_CODE_INVALID_SOCKET_5;

    result = g_snprintf(helpful_packet, PACKET_LENGTH, adb_forward_template, (serial_number) ? "host-serial:" : "host", (serial_number) ?  serial_number: "", local_tcp_port, server_tcp_port);
    if (result <= 0 || result > PACKET_LENGTH) {
        g_warning("Error while completing adb packet");
        closesocket(sock);
        return EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_12;
    }

    result = adb_send(sock, helpful_packet);
    closesocket(sock);

    return result;
}

static int capture_android_bluetooth_external_parser(char *interface,
        char *fifo, const char *adb_server_ip, unsigned short *adb_server_tcp_port,
        unsigned short *bt_server_tcp_port, unsigned int bt_forward_socket, const char *bt_local_ip,
        unsigned short *bt_local_tcp_port) {
    struct extcap_dumper           extcap_dumper;
    static char                    buffer[PACKET_LENGTH];
    uint64_t                      *timestamp;
    char                          *packet = buffer + BLUEDROID_TIMESTAMP_SIZE - sizeof(own_pcap_bluetooth_h4_header); /* skip timestamp (8 bytes) and reuse its space for header */
    own_pcap_bluetooth_h4_header  *h4_header;
    guint8                        *payload = packet + sizeof(own_pcap_bluetooth_h4_header);
    const char                    *adb_tcp_bluedroid_external_parser_template = "tcp:%05u";
    socklen_t                      slen;
    gssize                         length;
    gssize                         used_buffer_length = 0;
    uint64_t                       ts;
    socket_handle_t                sock;
    struct sockaddr_in             server;
    int                            captured_length;
    char                          *serial_number;
    static unsigned int            id = 1;
    struct sockaddr_in             client;

    SET_DATA(timestamp, value_u64, buffer);
    SET_DATA(h4_header, value_own_pcap_bluetooth_h4_header, packet);

    extcap_dumper = extcap_dumper_open(fifo, EXTCAP_ENCAP_BLUETOOTH_H4_WITH_PHDR);
    serial_number = get_serial_from_interface(interface);

    if (bt_forward_socket) {
        if ((sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == INVALID_SOCKET) {
            g_warning("Cannot open system TCP socket: %s", strerror(errno));
            return EXIT_CODE_GENERIC;
        }

        g_debug("Using config: Server TCP Port=%u, Local IP=%s, Local TCP Port=%u",
                    *bt_server_tcp_port, bt_local_ip, *bt_local_tcp_port);

        if (*bt_local_tcp_port != 0) {
            int result;

            result = adb_forward(serial_number, adb_server_ip, adb_server_tcp_port, *bt_local_tcp_port, *bt_server_tcp_port);
            g_debug("DO: adb forward tcp:%u (local) tcp:%u (remote) result=%i",
                        *bt_local_tcp_port, *bt_server_tcp_port, result);
        }

        memset(&server, 0 , sizeof(server));
        server.sin_family = AF_INET;
        server.sin_port = GINT16_TO_BE(*bt_local_tcp_port);
        ws_inet_pton4(bt_local_ip, &(server.sin_addr.s_addr));

        useSndTimeout(sock);

        if (connect(sock, (struct sockaddr *) &server, sizeof(server)) == SOCKET_ERROR) {
            g_warning("<%s> Please check that adb daemon is running.", strerror(errno));
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        slen = (socklen_t)sizeof(client);
        if (getsockname(sock, (struct sockaddr *) &client, &slen)) {
            g_warning("getsockname: %s", strerror(errno));
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        if (slen != sizeof(client)) {
            g_warning("incorrect length");
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        g_debug("Client port %u", GUINT16_FROM_BE(client.sin_port));
    } else {
        int  result;

        sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
        if (sock == INVALID_SOCKET)
            return EXIT_CODE_INVALID_SOCKET_6;

        result = g_snprintf((char *) buffer, PACKET_LENGTH, adb_tcp_bluedroid_external_parser_template, *bt_server_tcp_port);
        if (result <= 0 || result > PACKET_LENGTH) {
            g_warning("Error while completing adb packet");
            closesocket(sock);
            return EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_14;
        }

        result = adb_send(sock, buffer);
        if (result) {
            g_warning("Error while forwarding adb port");
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }
    }

    while (endless_loop) {
        errno = 0;
        length = recv(sock, buffer + used_buffer_length,  (int)(PACKET_LENGTH - used_buffer_length), 0);
        if (errno == EAGAIN
#if EWOULDBLOCK != EAGAIN
            || errno == EWOULDBLOCK
#endif
            ) {
            continue;
        }
        else if (errno != 0) {
            g_warning("ERROR capture: %s", strerror(errno));
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        if (length <= 0) {
            if (bt_forward_socket) {
                /* NOTE: Workaround... It seems that Bluedroid is slower and we can connect to socket that are not really ready... */
                g_warning("Broken socket connection. Try reconnect.");
                closesocket(sock);

                if ((sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == INVALID_SOCKET) {
                    g_warning("%s", strerror(errno));
                    return EXIT_CODE_GENERIC;
                }

                server.sin_family = AF_INET;
                server.sin_port = GINT16_TO_BE(*bt_local_tcp_port);
                ws_inet_pton4(bt_local_ip, &(server.sin_addr.s_addr));

                useSndTimeout(sock);

                if (connect(sock, (struct sockaddr *) &server, sizeof(server)) == SOCKET_ERROR) {
                    g_warning("ERROR reconnect: <%s> Please check that adb daemon is running.", strerror(errno));
                    closesocket(sock);
                    return EXIT_CODE_GENERIC;
                }
            } else {
                g_warning("Broken socket connection.");
                closesocket(sock);
                return EXIT_CODE_GENERIC;
            }

            continue;
        }

        used_buffer_length += length;

        g_debug("Received: length=%"G_GSSIZE_FORMAT"", length);

        while (((payload[BLUEDROID_H4_PACKET_TYPE] == BLUEDROID_H4_PACKET_TYPE_HCI_CMD || payload[BLUEDROID_H4_PACKET_TYPE] == BLUEDROID_H4_PACKET_TYPE_SCO) &&
                    used_buffer_length >= BLUEDROID_TIMESTAMP_SIZE + BLUEDROID_H4_SIZE + 2 + 1 &&
                    BLUEDROID_TIMESTAMP_SIZE + BLUEDROID_H4_SIZE + 2 + payload[BLUEDROID_H4_SIZE + 2] + 1 <= used_buffer_length) ||
                (payload[BLUEDROID_H4_PACKET_TYPE] == BLUEDROID_H4_PACKET_TYPE_ACL &&
                    used_buffer_length >= BLUEDROID_TIMESTAMP_SIZE + BLUEDROID_H4_SIZE + 2 + 2 &&
                    BLUEDROID_TIMESTAMP_SIZE + BLUEDROID_H4_SIZE + 2 + payload[BLUEDROID_H4_SIZE + 2] + (payload[BLUEDROID_H4_SIZE + 2 + 1] << 8) + 2 <= used_buffer_length) ||
                (payload[BLUEDROID_H4_PACKET_TYPE] == BLUEDROID_H4_PACKET_TYPE_SCO &&
                    used_buffer_length >= BLUEDROID_TIMESTAMP_SIZE + BLUEDROID_H4_SIZE + 2 + 1 &&
                    BLUEDROID_TIMESTAMP_SIZE + BLUEDROID_H4_SIZE + 2 + payload[BLUEDROID_H4_SIZE + 2] + 1 <= used_buffer_length) ||
                (payload[BLUEDROID_H4_PACKET_TYPE] == BLUEDROID_H4_PACKET_TYPE_HCI_EVT &&
                    used_buffer_length >= BLUEDROID_TIMESTAMP_SIZE + BLUEDROID_H4_SIZE + 1 + 1 &&
                    BLUEDROID_TIMESTAMP_SIZE + BLUEDROID_H4_SIZE + 1 + payload[BLUEDROID_H4_SIZE + 1] + 1 <= used_buffer_length)) {

            ts = GINT64_FROM_BE(*timestamp);

            switch (payload[BLUEDROID_H4_PACKET_TYPE]) {
            case BLUEDROID_H4_PACKET_TYPE_HCI_CMD:
                h4_header->direction = GINT32_TO_BE(BLUEDROID_DIRECTION_SENT);

                captured_length = (unsigned int)sizeof(own_pcap_bluetooth_h4_header) + payload[3] + 4;

                length = sizeof(own_pcap_bluetooth_h4_header) + BLUEDROID_H4_SIZE + 2 + 1 + payload[3];

                break;
            case BLUEDROID_H4_PACKET_TYPE_ACL:
                h4_header->direction = (payload[2] & 0x80) ? GINT32_TO_BE(BLUEDROID_DIRECTION_RECV) : GINT32_TO_BE(BLUEDROID_DIRECTION_SENT);

                captured_length = (unsigned int)sizeof(own_pcap_bluetooth_h4_header) + payload[3] + (payload[3 + 1] << 8) + 5;

                length = sizeof(own_pcap_bluetooth_h4_header) + BLUEDROID_H4_SIZE + 2 + 2 + payload[3] + (gssize)(payload[3 + 1] << 8);

                break;
            case BLUEDROID_H4_PACKET_TYPE_SCO:
                h4_header->direction = (payload[2] & 0x80) ? GINT32_TO_BE(BLUEDROID_DIRECTION_RECV) : GINT32_TO_BE(BLUEDROID_DIRECTION_SENT);

                captured_length = (unsigned int)sizeof(own_pcap_bluetooth_h4_header) + payload[3] + 4;

                length = sizeof(own_pcap_bluetooth_h4_header) + BLUEDROID_H4_SIZE + 2 + 1 + payload[3];

                break;
            case BLUEDROID_H4_PACKET_TYPE_HCI_EVT:
                h4_header->direction = GINT32_TO_BE(BLUEDROID_DIRECTION_RECV);

                captured_length = (unsigned int)sizeof(own_pcap_bluetooth_h4_header) + payload[2] + 3;

                length = sizeof(own_pcap_bluetooth_h4_header) + BLUEDROID_H4_SIZE + 1 + 1 + payload[2];

                break;
            default:
                g_warning("Invalid stream");
                closesocket(sock);
                return EXIT_CODE_GENERIC;
            }

            g_debug("\t Packet %u: used_buffer_length=%"G_GSSIZE_FORMAT" length=%"G_GSSIZE_FORMAT" captured_length=%i type=0x%02x", id, used_buffer_length, length, captured_length, payload[BLUEDROID_H4_PACKET_TYPE]);
            if (payload[BLUEDROID_H4_PACKET_TYPE] == BLUEDROID_H4_PACKET_TYPE_HCI_EVT)
                g_debug("\t Packet: %02x %02x %02x", (unsigned int) payload[0], (unsigned int) payload[1], (unsigned int)payload[2]);
            id +=1;

            ts -= BLUEDROID_TIMESTAMP_BASE;

            endless_loop = extcap_dumper_dump(extcap_dumper, fifo, packet,
                    captured_length,
                    captured_length,
                    (uint32_t)(ts / 1000000),
                    ((uint32_t)(ts % 1000000)) * 1000);

            used_buffer_length -= length - sizeof(own_pcap_bluetooth_h4_header) + BLUEDROID_TIMESTAMP_SIZE;
            if (used_buffer_length < 0) {
                g_warning("Internal Negative used buffer length.");
                closesocket(sock);
                return EXIT_CODE_GENERIC;
            }
            memmove(buffer, packet + length, used_buffer_length);
        }
    }

    closesocket(sock);
    return EXIT_CODE_SUCCESS;
}

/*----------------------------------------------------------------------------*/
/* Android Btsnoop Net */
/*----------------------------------------------------------------------------*/

static int capture_android_bluetooth_btsnoop_net(char *interface, char *fifo,
        const char *adb_server_ip, unsigned short *adb_server_tcp_port) {
    struct extcap_dumper           extcap_dumper;
    static char                    packet[PACKET_LENGTH];
    gssize                         length;
    gssize                         used_buffer_length = 0;
    socket_handle_t                sock;
    const char                    *adb_tcp_btsnoop_net   = "tcp:8872";
    int                            result;
    char                          *serial_number;
    uint64_t                       ts;
    static const uint64_t          BTSNOOP_TIMESTAMP_BASE = G_GUINT64_CONSTANT(0x00dcddb30f2f8000);
    uint32_t                      *reported_length;
    uint32_t                      *captured_length;
    uint32_t                      *flags;
/*    uint32_t                     *cumulative_dropped_packets; */
    uint64_t                      *timestamp;
    char                          *payload                     =  packet + sizeof(own_pcap_bluetooth_h4_header) + 24;
    own_pcap_bluetooth_h4_header  *h4_header;

    SET_DATA(reported_length, value_u32, packet + sizeof(own_pcap_bluetooth_h4_header) + 0);
    SET_DATA(captured_length, value_u32, packet + sizeof(own_pcap_bluetooth_h4_header) + 4);
    SET_DATA(flags, value_u32, packet + sizeof(own_pcap_bluetooth_h4_header) + 8);
/*    SET_DATA(cumulative_dropped_packets, value_u32, packet + sizeof(own_pcap_bluetooth_h4_header) + 12); */
    SET_DATA(timestamp, value_u64, packet + sizeof(own_pcap_bluetooth_h4_header) + 16);
    SET_DATA(h4_header, value_own_pcap_bluetooth_h4_header, payload - sizeof(own_pcap_bluetooth_h4_header));

    extcap_dumper = extcap_dumper_open(fifo, EXTCAP_ENCAP_BLUETOOTH_H4_WITH_PHDR);
    serial_number = get_serial_from_interface(interface);
    sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
    if (sock == INVALID_SOCKET)
        return EXIT_CODE_INVALID_SOCKET_7;

    result = adb_send(sock, adb_tcp_btsnoop_net);
    if (result) {
        g_warning("Error while sending command <%s>", adb_tcp_btsnoop_net);
        closesocket(sock);
        return EXIT_CODE_ERROR_WHILE_SENDING_ADB_PACKET_2;
    }

    /* Read "btsnoop" header - 16 bytes */
    while (used_buffer_length < BTSNOOP_HDR_LEN) {
        length = recv(sock, packet + used_buffer_length,  (int)(BTSNOOP_HDR_LEN - used_buffer_length), 0);
        if (length <= 0) {
            g_warning("Broken socket connection.");
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }
        used_buffer_length += length;
    }
    used_buffer_length = 0;

    while (endless_loop) {
        errno = 0;
        length = recv(sock, packet + used_buffer_length + sizeof(own_pcap_bluetooth_h4_header),
                (int)(PACKET_LENGTH - sizeof(own_pcap_bluetooth_h4_header) - used_buffer_length), 0);
        if (errno == EAGAIN
#if EWOULDBLOCK != EAGAIN
            || errno == EWOULDBLOCK
#endif
            ) {
            continue;
        }
        else if (errno != 0) {
            g_warning("ERROR capture: %s", strerror(errno));
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        if (length <= 0) {
            g_warning("Broken socket connection.");
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        used_buffer_length += length;

        while (used_buffer_length >= 24 &&
                used_buffer_length >= (int) (24 + GINT32_FROM_BE(*captured_length))) {
            gint32 direction;

            ts = GINT64_FROM_BE(*timestamp);
            ts -= BTSNOOP_TIMESTAMP_BASE;

            direction = GINT32_FROM_BE(*flags) & 0x01;
            h4_header->direction = GINT32_TO_BE(direction);

            endless_loop = extcap_dumper_dump(extcap_dumper, fifo,
                    payload - sizeof(own_pcap_bluetooth_h4_header),
                    GINT32_FROM_BE(*captured_length) + sizeof(own_pcap_bluetooth_h4_header),
                    GINT32_FROM_BE(*reported_length) + sizeof(own_pcap_bluetooth_h4_header),
                    (uint32_t)(ts / 1000000),
                    ((uint32_t)(ts % 1000000)) * 1000);

            used_buffer_length -= 24 + GINT32_FROM_BE(*captured_length);
            if (used_buffer_length < 0) {
                g_warning("Internal Negative used buffer length.");
                closesocket(sock);
                return EXIT_CODE_GENERIC;
            }

            if  (used_buffer_length > 0)
                memmove(packet + sizeof(own_pcap_bluetooth_h4_header), payload + GINT32_FROM_BE(*captured_length), used_buffer_length);
        }
    }

    closesocket(sock);
    return EXIT_CODE_SUCCESS;
}

/*----------------------------------------------------------------------------*/
/* Android Logcat Text*/
/*----------------------------------------------------------------------------*/


static int capture_android_logcat_text(char *interface, char *fifo,
        const char *adb_server_ip, unsigned short *adb_server_tcp_port,
        int logcat_ignore_log_buffer, const char *logcat_custom_parameter) {
    struct extcap_dumper        extcap_dumper;
    static char                 packet[PACKET_LENGTH];
    gssize                      length;
    size_t                      used_buffer_length = 0;
    socket_handle_t             sock;
    const char                 *protocol_name;
    size_t                      exported_pdu_headers_size = 0;
    struct exported_pdu_header  exported_pdu_header_protocol_normal;
    struct exported_pdu_header *exported_pdu_header_protocol;
    struct exported_pdu_header  exported_pdu_header_end = {0, 0};
    static const char          *wireshark_protocol_logcat_text = "logcat_text_threadtime";
    const char                 *adb_logcat_template = "shell:export ANDROID_LOG_TAGS=\"\" ; exec logcat -v threadtime%s%s %s";
    char                       *serial_number = NULL;
    int                         result;
    char                       *pos;
    const char                 *logcat_buffer;
    const char                 *logcat_log_buffer;

    extcap_dumper = extcap_dumper_open(fifo, EXTCAP_ENCAP_WIRESHARK_UPPER_PDU);

    exported_pdu_header_protocol_normal.tag = GUINT16_TO_BE(WIRESHARK_UPPER_PDU_TAG_DISSECTOR_NAME);
    exported_pdu_header_protocol_normal.length = GUINT16_TO_BE(strlen(wireshark_protocol_logcat_text) + 2);

    serial_number = get_serial_from_interface(interface);
    sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
    if (sock == INVALID_SOCKET)
        return EXIT_CODE_INVALID_SOCKET_8;

    if (is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_MAIN) || is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_TEXT_MAIN))
        logcat_buffer = " -b main";
    else if (is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_SYSTEM) || is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_TEXT_SYSTEM))
        logcat_buffer = " -b system";
    else if (is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_RADIO) || is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_TEXT_RADIO))
        logcat_buffer = " -b radio";
    else if (is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_EVENTS) || is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_TEXT_EVENTS))
        logcat_buffer = " -b events";
    else if (is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_TEXT_CRASH))
        logcat_buffer = " -b crash";
    else {
        g_warning("Unknown interface: <%s>", interface);
        closesocket(sock);
        return EXIT_CODE_GENERIC;
    }

    if (logcat_ignore_log_buffer)
        logcat_log_buffer = " -T 1";
    else
        logcat_log_buffer = "";

    if (!logcat_custom_parameter)
        logcat_custom_parameter = "";

    result = g_snprintf((char *) packet, PACKET_LENGTH, adb_logcat_template, logcat_buffer, logcat_log_buffer, logcat_custom_parameter);
    if (result <= 0 || result > PACKET_LENGTH) {
        g_warning("Error while completing adb packet");
        closesocket(sock);
        return EXIT_CODE_BAD_SIZE_OF_ASSEMBLED_ADB_PACKET_17;
    }

    result = adb_send(sock, packet);
    if (result) {
        g_warning("Error while sending command <%s>", packet);
        closesocket(sock);
        return EXIT_CODE_ERROR_WHILE_SENDING_ADB_PACKET_3;
    }

    protocol_name = wireshark_protocol_logcat_text;
    exported_pdu_header_protocol = &exported_pdu_header_protocol_normal;

    memcpy(packet, exported_pdu_header_protocol, sizeof(struct exported_pdu_header));
    exported_pdu_headers_size += sizeof(struct exported_pdu_header);

    memcpy(packet + exported_pdu_headers_size, protocol_name, GUINT16_FROM_BE(exported_pdu_header_protocol->length) - 2);
    exported_pdu_headers_size += GUINT16_FROM_BE(exported_pdu_header_protocol->length);

    packet[exported_pdu_headers_size - 1] = 0;
    packet[exported_pdu_headers_size - 2] = 0;

    memcpy(packet + exported_pdu_headers_size, &exported_pdu_header_end, sizeof(struct exported_pdu_header));
    exported_pdu_headers_size += sizeof(struct exported_pdu_header) + GUINT16_FROM_BE(exported_pdu_header_end.length);

    used_buffer_length = 0;
    while (endless_loop) {
        errno = 0;
        length = recv(sock, packet + exported_pdu_headers_size + used_buffer_length,  (int)(PACKET_LENGTH - exported_pdu_headers_size - used_buffer_length), 0);
        if (errno == EAGAIN
#if EWOULDBLOCK != EAGAIN
            || errno == EWOULDBLOCK
#endif
            ) {
            continue;
        }
        else if (errno != 0) {
            g_warning("ERROR capture: %s", strerror(errno));
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        if (length <= 0) {
            g_warning("Broken socket connection. Try reconnect.");
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        used_buffer_length += length;

        while (used_buffer_length > 0 && (pos = (char *) memchr(packet + exported_pdu_headers_size, '\n', used_buffer_length))) {
            int        ms;
            struct tm* date;
            time_t     seconds;
            time_t     secs = 0;
            int        nsecs = 0;
            time_t     t;

            length = (gssize)(pos - packet) + 1;

            t = time(NULL);
            date = localtime(&t);
            if (!date)
                continue;
            if (6 == sscanf(packet + exported_pdu_headers_size, "%d-%d %d:%d:%d.%d", &date->tm_mon, &date->tm_mday, &date->tm_hour,
                            &date->tm_min, &date->tm_sec, &ms)) {
                date->tm_mon -= 1;
                date->tm_isdst = -1;
                seconds = mktime(date);
                secs = (time_t) seconds;
                nsecs = (int) (ms * 1e6);
            }

            endless_loop = extcap_dumper_dump(extcap_dumper, fifo, packet,
                    length,
                    length,
                    secs, nsecs);

            memmove(packet + exported_pdu_headers_size, packet + length, used_buffer_length + exported_pdu_headers_size - length);
            used_buffer_length -= length - exported_pdu_headers_size;
        }
    }

    closesocket(sock);
    return EXIT_CODE_SUCCESS;
}

/*----------------------------------------------------------------------------*/
/* Android Logger / Logcat */
/*----------------------------------------------------------------------------*/

static int capture_android_logcat(char *interface, char *fifo,
        const char *adb_server_ip, unsigned short *adb_server_tcp_port) {
    struct extcap_dumper        extcap_dumper;
    static char                 packet[PACKET_LENGTH];
    gssize                      length;
    size_t                      used_buffer_length = 0;
    socket_handle_t             sock;
    const char                 *protocol_name;
    size_t                      exported_pdu_headers_size = 0;
    struct exported_pdu_header  exported_pdu_header_protocol_events;
    struct exported_pdu_header  exported_pdu_header_protocol_normal;
    struct exported_pdu_header *exported_pdu_header_protocol;
    struct exported_pdu_header  exported_pdu_header_end = {0, 0};
    static const char          *wireshark_protocol_logcat = "logcat";
    static const char          *wireshark_protocol_logcat_events = "logcat_events";
    const char                 *adb_command;
    uint16_t                   *payload_length;
    uint16_t                   *try_header_size;
    uint32_t                   *timestamp_secs;
    uint32_t                   *timestamp_nsecs;
    uint16_t                    header_size;
    int                         result;
    char                       *serial_number = NULL;

    extcap_dumper = extcap_dumper_open(fifo, EXTCAP_ENCAP_WIRESHARK_UPPER_PDU);

    exported_pdu_header_protocol_events.tag = GUINT16_TO_BE(WIRESHARK_UPPER_PDU_TAG_DISSECTOR_NAME);
    exported_pdu_header_protocol_events.length = GUINT16_TO_BE(strlen(wireshark_protocol_logcat_events) + 2);

    exported_pdu_header_protocol_normal.tag = GUINT16_TO_BE(WIRESHARK_UPPER_PDU_TAG_DISSECTOR_NAME);
    exported_pdu_header_protocol_normal.length = GUINT16_TO_BE(strlen(wireshark_protocol_logcat) + 2);

    serial_number = get_serial_from_interface(interface);
    sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
    if (sock == INVALID_SOCKET)
        return EXIT_CODE_INVALID_SOCKET_9;

    adb_command = interface_to_logbuf(interface);
    if (!adb_command) {
        g_warning("Unknown interface: <%s>", interface);
        closesocket(sock);
        return EXIT_CODE_GENERIC;
    }

    result = adb_send(sock, adb_command);
    if (result) {
        g_warning("Error while sending command <%s>", adb_command);
        closesocket(sock);
        return EXIT_CODE_ERROR_WHILE_SENDING_ADB_PACKET_4;
    }

    if (is_specified_interface(interface, INTERFACE_ANDROID_LOGCAT_EVENTS))
    {
        protocol_name = wireshark_protocol_logcat_events;
        exported_pdu_header_protocol = &exported_pdu_header_protocol_events;
    } else {
        protocol_name = wireshark_protocol_logcat;
        exported_pdu_header_protocol = &exported_pdu_header_protocol_normal;
    }

    memcpy(packet, exported_pdu_header_protocol, sizeof(struct exported_pdu_header));
    exported_pdu_headers_size += sizeof(struct exported_pdu_header);

    memcpy(packet + exported_pdu_headers_size, protocol_name, GUINT16_FROM_BE(exported_pdu_header_protocol->length) - 2);
    exported_pdu_headers_size += GUINT16_FROM_BE(exported_pdu_header_protocol->length);

    packet[exported_pdu_headers_size - 1] = 0;
    packet[exported_pdu_headers_size - 2] = 0;

    memcpy(packet + exported_pdu_headers_size, &exported_pdu_header_end, sizeof(struct exported_pdu_header));
    exported_pdu_headers_size += sizeof(struct exported_pdu_header) + GUINT16_FROM_BE(exported_pdu_header_end.length);

    SET_DATA(payload_length,  value_u16, packet + exported_pdu_headers_size +  0);
    SET_DATA(try_header_size, value_u16, packet + exported_pdu_headers_size +  2);
    SET_DATA(timestamp_secs,  value_u32, packet + exported_pdu_headers_size + 12);
    SET_DATA(timestamp_nsecs, value_u32, packet + exported_pdu_headers_size + 16);

    while (endless_loop) {
        errno = 0;
        length = recv(sock, packet + exported_pdu_headers_size + used_buffer_length, (int)(PACKET_LENGTH - exported_pdu_headers_size - used_buffer_length), 0);
        if (errno == EAGAIN
#if EWOULDBLOCK != EAGAIN
            || errno == EWOULDBLOCK
#endif
            ) {
            continue;
        }
        else if (errno != 0) {
            g_warning("ERROR capture: %s", strerror(errno));
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        if (length <= 0) {
            while (endless_loop) {
                g_warning("Broken socket connection. Try reconnect.");
                used_buffer_length = 0;
                closesocket(sock);

                sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
                if (sock == INVALID_SOCKET)
                    return EXIT_CODE_INVALID_SOCKET_10;

                result = adb_send(sock, adb_command);
                if (result) {
                    g_warning("WARNIG: Error while sending command <%s>", adb_command);
                    continue;
                }

                break;
            }
        }

        used_buffer_length += length + exported_pdu_headers_size;

        if (*try_header_size != 24)
            header_size = 20;
        else
            header_size = *try_header_size;

        length = (*payload_length) + header_size + (gssize)exported_pdu_headers_size;

        while (used_buffer_length >= exported_pdu_headers_size + header_size && (size_t)length <= used_buffer_length) {
            endless_loop = extcap_dumper_dump(extcap_dumper, fifo, packet,
                    length,
                    length,
                    *timestamp_secs, *timestamp_nsecs);

            memmove(packet + exported_pdu_headers_size, packet + length, used_buffer_length - length);
            used_buffer_length -= length;
            used_buffer_length += exported_pdu_headers_size;


            length = (*payload_length) + header_size + (gssize)exported_pdu_headers_size;

            if (*try_header_size != 24)
                header_size = 20;
            else
                header_size = *try_header_size;
        }
        used_buffer_length -= exported_pdu_headers_size;
    }

    closesocket(sock);

    return EXIT_CODE_SUCCESS;
}


/*----------------------------------------------------------------------------*/
/* Android Wifi Tcpdump                                                       */
/* The Tcpdump sends data in pcap format. So for using the extcap_dumper we   */
/* need to unpack the pcap and then send the packet data to the dumper.       */
/*----------------------------------------------------------------------------*/
static int capture_android_tcpdump(char *interface, char *fifo,
        const char *adb_server_ip, unsigned short *adb_server_tcp_port) {
    static const char                       *const adb_shell_tcpdump_format = "exec:tcpdump -U -n -s 0 -u -i %s -w - 2>/dev/null";
    static const char                       *const regex_interface = INTERFACE_ANDROID_TCPDUMP "-(?<iface>.*?)-(?<serial>.*)";
    struct extcap_dumper                     extcap_dumper;
    static char                              data[PACKET_LENGTH];
    gssize                                   length;
    gssize                                   used_buffer_length =  0;
    gssize                                   frame_length=0;
    socket_handle_t                          sock;
    gint                                     result;
    char                                    *iface = NULL;
    char                                    *serial_number = NULL;
    gboolean                                 nanosecond_timestamps;
    gboolean                                 swap_byte_order;
    pcap_hdr_t                              *global_header;
    pcaprec_hdr_t                            p_header;
    GRegex                                  *regex = NULL;
    GError                                  *err = NULL;
    GMatchInfo                              *match = NULL;
    char                                     tcpdump_cmd[80];

    regex = g_regex_new(regex_interface, (GRegexCompileFlags)0, (GRegexMatchFlags)0, &err);
    if (!regex) {
        g_warning("Failed to compile regex for tcpdump interface");
        return EXIT_CODE_GENERIC;
    }

    g_regex_match(regex, interface, (GRegexMatchFlags)0, &match);
    if (!g_match_info_matches(match)) {
        g_warning("Failed to determine iface name and serial number");
        g_regex_unref(regex);
        return EXIT_CODE_GENERIC;
    }

    iface = g_match_info_fetch_named(match, "iface");
    serial_number = g_match_info_fetch_named(match, "serial");
    g_match_info_free(match);
    g_regex_unref(regex);

    /* First check for the device if it is connected or not */
    sock = adb_connect_transport(adb_server_ip, adb_server_tcp_port, serial_number);
    g_free(serial_number);
    if (sock == INVALID_SOCKET) {
        g_free(iface);
        return EXIT_CODE_INVALID_SOCKET_11;
    }

    g_snprintf(tcpdump_cmd, sizeof(tcpdump_cmd), adb_shell_tcpdump_format, iface);
    g_free(iface);
    result = adb_send(sock, tcpdump_cmd);
    if (result) {
        g_warning("Error while setting adb transport");
        closesocket(sock);
        return EXIT_CODE_GENERIC;
    }

    while (used_buffer_length < PCAP_GLOBAL_HEADER_LENGTH) {
        errno = 0;
        length = recv(sock, data + used_buffer_length, (int)(PCAP_GLOBAL_HEADER_LENGTH - used_buffer_length), 0);
        if (errno == EAGAIN
#if EWOULDBLOCK != EAGAIN
            || errno == EWOULDBLOCK
#endif
            ) {
            continue;
        }
        else if (errno != 0) {
            g_warning("ERROR capture: %s", strerror(errno));
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        if (length <= 0) {
            g_warning("Broken socket connection.");
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        used_buffer_length += length;
    }

    global_header = (pcap_hdr_t*) data;
    switch (global_header->magic_number) {
    case 0xa1b2c3d4:
        swap_byte_order = FALSE;
        nanosecond_timestamps = FALSE;
        break;
    case 0xd4c3b2a1:
        swap_byte_order = TRUE;
        nanosecond_timestamps = FALSE;
        break;
    case 0xa1b23c4d:
        swap_byte_order = FALSE;
        nanosecond_timestamps = TRUE;
        break;
    case 0x4d3cb2a1:
        swap_byte_order = TRUE;
        nanosecond_timestamps = TRUE;
        break;
    default:
        g_warning("Received incorrect magic");
        closesocket(sock);
        return EXIT_CODE_GENERIC;
    }
    int encap = (int)data[20];
#ifndef ANDROIDDUMP_USE_LIBPCAP
    encap = wtap_pcap_encap_to_wtap_encap(encap);
#endif
    extcap_dumper = extcap_dumper_open(fifo, encap);

    used_buffer_length = 0;
    while (endless_loop) {
        gssize offset = 0;

        errno = 0;
        length = recv(sock, data + used_buffer_length, (int)(PACKET_LENGTH - used_buffer_length), 0);
        if (errno == EAGAIN
#if EWOULDBLOCK != EAGAIN
            || errno == EWOULDBLOCK
#endif
            ) {
            continue;
        }
        else if (errno != 0) {
            g_warning("ERROR capture: %s", strerror(errno));
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        if (length <= 0) {
            g_warning("Broken socket connection.");
            closesocket(sock);
            return EXIT_CODE_GENERIC;
        }

        used_buffer_length += length;

        while ((used_buffer_length - offset) > PCAP_RECORD_HEADER_LENGTH) {
            p_header = *((pcaprec_hdr_t*) (data + offset));
            if (swap_byte_order) {
                p_header.ts_sec   = GUINT32_SWAP_LE_BE(p_header.ts_sec);
                p_header.ts_usec  = GUINT32_SWAP_LE_BE(p_header.ts_usec);
                p_header.incl_len = GUINT32_SWAP_LE_BE(p_header.incl_len);
                p_header.orig_len = GUINT32_SWAP_LE_BE(p_header.orig_len);
            }
            if (!nanosecond_timestamps) {
                p_header.ts_usec = p_header.ts_usec * 1000;
            }

            frame_length = p_header.incl_len + PCAP_RECORD_HEADER_LENGTH;
            if ((used_buffer_length - offset) < frame_length) {
                break; /* wait for complete packet */
            }

            /* It was observed that some times tcpdump reports the length of packet as '0' and that leads to the
             * ( Warn Error "Less data was read than was expected" while reading )
             * So to avoid this error we are checking for length of packet before passing it to dumper.
             */
            if (p_header.incl_len > 0) {
                endless_loop = extcap_dumper_dump(extcap_dumper, fifo, data + offset + PCAP_RECORD_HEADER_LENGTH,
                    p_header.incl_len, p_header.orig_len, p_header.ts_sec, p_header.ts_usec);
            }

            offset += frame_length;
        }

        if (offset < used_buffer_length) {
            memmove(data, data + offset, used_buffer_length - offset);
        }
        used_buffer_length -= offset;
    }

    closesocket(sock);
    return EXIT_CODE_SUCCESS;
}

int main(int argc, char **argv) {
    int              ret = EXIT_CODE_GENERIC;
    int              option_idx = 0;
    int              result;
    const char      *adb_server_ip       = NULL;
    unsigned short  *adb_server_tcp_port = NULL;
    unsigned int     logcat_text   = 0;
    unsigned int     logcat_ignore_log_buffer = 0;
    const char      *logcat_custom_parameter   = NULL;
    const char      *default_adb_server_ip = "127.0.0.1";
    unsigned short   default_adb_server_tcp_port = 5037;
    unsigned short   local_adb_server_tcp_port;
    unsigned short   local_bt_server_tcp_port;
    unsigned short   local_bt_local_tcp_port;
    unsigned short  *bt_server_tcp_port  = NULL;
    unsigned int     bt_forward_socket   = 0;
    const char      *bt_local_ip         = NULL;
    unsigned short  *bt_local_tcp_port   = NULL;
    unsigned short   default_bt_server_tcp_port = 4330;
    const char      *default_bt_local_ip = "127.0.0.1";
    unsigned short   default_bt_local_tcp_port  = 4330;
    extcap_parameters * extcap_conf = NULL;
    char            *help_url;
    char            *help_header = NULL;

#ifdef _WIN32
    WSADATA          wsaData;

    attach_parent_console();
#endif  /* _WIN32 */

    cmdarg_err_init(failure_warning_message, failure_warning_message);

    extcap_conf = g_new0(extcap_parameters, 1);

    help_url = data_file_url("androiddump.html");
    extcap_base_set_util_info(extcap_conf, argv[0], ANDROIDDUMP_VERSION_MAJOR, ANDROIDDUMP_VERSION_MINOR,
        ANDROIDDUMP_VERSION_RELEASE, help_url);
    g_free(help_url);

    help_header = g_strdup_printf(
        " %s --extcap-interfaces [--adb-server-ip=<arg>] [--adb-server-tcp-port=<arg>]\n"
        " %s --extcap-interface=INTERFACE --extcap-dlts\n"
        " %s --extcap-interface=INTERFACE --extcap-config\n"
        " %s --extcap-interface=INTERFACE --fifo=PATH_FILENAME --capture\n"
        "\nINTERFACE has the form TYPE-DEVICEID:\n"
        "\t""For example: "INTERFACE_ANDROID_BLUETOOTH_BTSNOOP_NET"-W3D7N15C29005648""\n"
        "\n"
        "\tTYPE is one of:\n"
        "\t"INTERFACE_ANDROID_LOGCAT_MAIN"\n"
        "\t"INTERFACE_ANDROID_LOGCAT_SYSTEM"\n"
        "\t"INTERFACE_ANDROID_LOGCAT_RADIO"\n"
        "\t"INTERFACE_ANDROID_LOGCAT_EVENTS"\n"
        "\t"INTERFACE_ANDROID_LOGCAT_TEXT_MAIN"\n"
        "\t"INTERFACE_ANDROID_LOGCAT_TEXT_SYSTEM"\n"
        "\t"INTERFACE_ANDROID_LOGCAT_TEXT_RADIO"\n"
        "\t"INTERFACE_ANDROID_LOGCAT_TEXT_EVENTS"\n"
        "\t"INTERFACE_ANDROID_LOGCAT_TEXT_CRASH"\n"
        "\t"INTERFACE_ANDROID_BLUETOOTH_HCIDUMP"\n"
        "\t"INTERFACE_ANDROID_BLUETOOTH_EXTERNAL_PARSER"\n"
        "\t"INTERFACE_ANDROID_BLUETOOTH_BTSNOOP_NET"\n"
        "\t"INTERFACE_ANDROID_TCPDUMP"\n"
        "\n"
        "\t""DEVICEID is the identifier of the device provided by Android SDK (see \"adb devices\")\n"
        "\t""For example: W3D7N15C29005648""\n",

        argv[0], argv[0], argv[0], argv[0]);
    extcap_help_add_header(extcap_conf, help_header);
    g_free(help_header);

    extcap_help_add_option(extcap_conf, "--help", "print this help");
    extcap_help_add_option(extcap_conf, "--adb-server-ip <IP>", "the IP address of the ADB server");
    extcap_help_add_option(extcap_conf, "--adb-server-tcp-port <port>", "the TCP port of the ADB server");
    extcap_help_add_option(extcap_conf, "--logcat-text", "use logcat text format");
    extcap_help_add_option(extcap_conf, "--logcat-ignore-log-buffer", "ignore log buffer");
    extcap_help_add_option(extcap_conf, "--logcat-custom-options <text>", "use custom logcat parameters");
    extcap_help_add_option(extcap_conf, "--bt-server-tcp-port <port>", "bluetooth server TCP port");
    extcap_help_add_option(extcap_conf, "--bt-forward-socket <path>", "bluetooth forward socket");
    extcap_help_add_option(extcap_conf, "--bt-local-ip <IP>", "the bluetooth local IP");
    extcap_help_add_option(extcap_conf, "--bt-local-tcp-port <port>", "the bluetooth local TCP port");

    opterr = 0;
    optind = 0;

    if (argc == 1) {
        extcap_help_print(extcap_conf);
        ret = EXIT_CODE_SUCCESS;
        goto end;
    }

    while ((result = getopt_long(argc, argv, "", longopts, &option_idx)) != -1) {
        switch (result) {

        case OPT_VERSION:
            printf("%s\n", extcap_conf->version);
            ret = EXIT_CODE_SUCCESS;
            goto end;
        case OPT_HELP:
            extcap_help_print(extcap_conf);
            ret = EXIT_CODE_SUCCESS;
            goto end;
        case OPT_CONFIG_ADB_SERVER_IP:
            adb_server_ip = optarg;
            break;
        case OPT_CONFIG_ADB_SERVER_TCP_PORT:
            adb_server_tcp_port = &local_adb_server_tcp_port;
            if (!optarg){
                g_warning("Impossible exception. Parameter required argument, but there is no it right now.");
                goto end;
            }
            if (!ws_strtou16(optarg, NULL, adb_server_tcp_port)) {
                g_warning("Invalid adb server TCP port: %s", optarg);
                goto end;
            }
            break;
        case OPT_CONFIG_LOGCAT_TEXT:
            if (optarg && !*optarg)
                logcat_text = TRUE;
            else
                logcat_text = (g_ascii_strncasecmp(optarg, "TRUE", 4) == 0);
            break;
        case OPT_CONFIG_LOGCAT_IGNORE_LOG_BUFFER:
            if (optarg == NULL || (optarg && !*optarg))
                logcat_ignore_log_buffer = TRUE;
            else
                logcat_ignore_log_buffer = (g_ascii_strncasecmp(optarg, "TRUE", 4) == 0);
            break;
        case OPT_CONFIG_LOGCAT_CUSTOM_OPTIONS:
            if (optarg == NULL || (optarg && *optarg == '\0')) {
                logcat_custom_parameter = NULL;
                break;
            }

            if (g_regex_match_simple("(^|\\s)-[bBcDfgLnpPrv]", optarg, (GRegexCompileFlags)0, (GRegexMatchFlags)0)) {
                g_error("Found prohibited option in logcat-custom-options");
                return EXIT_CODE_GENERIC;
            }

            logcat_custom_parameter = optarg;

            break;
        case OPT_CONFIG_BT_SERVER_TCP_PORT:
            bt_server_tcp_port = &local_bt_server_tcp_port;
            if (!optarg){
                g_warning("Impossible exception. Parameter required argument, but there is no it right now.");
                goto end;
            }
            if (!ws_strtou16(optarg, NULL, bt_server_tcp_port)) {
                g_warning("Invalid bluetooth server TCP port: %s", optarg);
                goto end;
            }
            break;
        case OPT_CONFIG_BT_FORWARD_SOCKET:
            bt_forward_socket = (g_ascii_strncasecmp(optarg, "TRUE", 4) == 0);
            break;
        case OPT_CONFIG_BT_LOCAL_IP:
            bt_local_ip = optarg;
            break;
        case OPT_CONFIG_BT_LOCAL_TCP_PORT:
            bt_local_tcp_port = &local_bt_local_tcp_port;
            if (!optarg){
                g_warning("Impossible exception. Parameter required argument, but there is no it right now.");
                goto end;
            }
            if (!ws_strtou16(optarg, NULL, bt_local_tcp_port)) {
                g_warning("Invalid bluetooth local tcp port: %s", optarg);
                goto end;
            }
            break;
        default:
            if (!extcap_base_parse_options(extcap_conf, result - EXTCAP_OPT_LIST_INTERFACES, optarg))
            {
                g_warning("Invalid argument <%s>. Try --help.\n", argv[optind - 1]);
                goto end;
            }
        }
    }

    if (!adb_server_ip)
        adb_server_ip = default_adb_server_ip;

    if (!adb_server_tcp_port)
        adb_server_tcp_port = &default_adb_server_tcp_port;

    if (!bt_server_tcp_port)
        bt_server_tcp_port = &default_bt_server_tcp_port;

    if (!bt_local_ip)
        bt_local_ip = default_bt_local_ip;

    if (!bt_local_tcp_port)
        bt_local_tcp_port = &default_bt_local_tcp_port;

#ifdef _WIN32
    result = WSAStartup(MAKEWORD(1,1), &wsaData);
    if (result != 0) {
        g_warning("WSAStartup failed with %d", result);
        goto end;
    }
#endif  /* _WIN32 */

    extcap_cmdline_debug(argv, argc);

    if (extcap_conf->do_list_interfaces)
        register_interfaces(extcap_conf, adb_server_ip, adb_server_tcp_port);

    /* NOTE:
     * extcap implementation calls androiddump --extcap-dlts for each interface.
     * The only way to know whether an interface exists or not is to go through the
     * whole process of listing all interfaces (i.e. calling register_interfaces
     * function). Since being a system resource heavy operation and repeated for
     * each interface instead register a fake interface to be returned for dlt
     * listing only purpose
     */
    if (extcap_conf->do_list_dlts) {
        new_fake_interface_for_list_dlts(extcap_conf, extcap_conf->interface);
    }

    if (extcap_base_handle_interface(extcap_conf)) {
        ret = EXIT_CODE_SUCCESS;
        goto end;
    }

    if (extcap_conf->show_config) {
        ret = list_config(extcap_conf->interface);
        goto end;
    }

    if (extcap_conf->capture) {
        if (extcap_conf->interface && is_logcat_interface(extcap_conf->interface))
            if (logcat_text)
                ret = capture_android_logcat_text(extcap_conf->interface,
                        extcap_conf->fifo, adb_server_ip, adb_server_tcp_port,
                        logcat_ignore_log_buffer, logcat_custom_parameter);
            else
                ret = capture_android_logcat(extcap_conf->interface,
                        extcap_conf->fifo, adb_server_ip, adb_server_tcp_port);
        else if (extcap_conf->interface && is_logcat_text_interface(extcap_conf->interface))
            ret = capture_android_logcat_text(extcap_conf->interface,
                    extcap_conf->fifo, adb_server_ip, adb_server_tcp_port,
                    logcat_ignore_log_buffer, logcat_custom_parameter);
        else if (extcap_conf->interface && is_specified_interface(extcap_conf->interface, INTERFACE_ANDROID_BLUETOOTH_HCIDUMP))
            ret = capture_android_bluetooth_hcidump(extcap_conf->interface, extcap_conf->fifo, adb_server_ip, adb_server_tcp_port);
        else if (extcap_conf->interface && is_specified_interface(extcap_conf->interface, INTERFACE_ANDROID_BLUETOOTH_EXTERNAL_PARSER))
            ret = capture_android_bluetooth_external_parser(extcap_conf->interface, extcap_conf->fifo, adb_server_ip, adb_server_tcp_port,
                    bt_server_tcp_port, bt_forward_socket, bt_local_ip, bt_local_tcp_port);
        else if (extcap_conf->interface && (is_specified_interface(extcap_conf->interface, INTERFACE_ANDROID_BLUETOOTH_BTSNOOP_NET)))
            ret = capture_android_bluetooth_btsnoop_net(extcap_conf->interface, extcap_conf->fifo, adb_server_ip, adb_server_tcp_port);
        else if (extcap_conf->interface && (is_specified_interface(extcap_conf->interface,INTERFACE_ANDROID_TCPDUMP)))
            ret = capture_android_tcpdump(extcap_conf->interface, extcap_conf->fifo, adb_server_ip, adb_server_tcp_port);

        goto end;
    }

    /* no action was given, assume success */
    ret = EXIT_CODE_SUCCESS;

end:
    /* clean up stuff */
    extcap_base_cleanup(&extcap_conf);
#ifndef ANDROIDDUMP_USE_LIBPCAP
    wtap_cleanup();
#endif

    return ret;
}

#ifdef _WIN32
int _stdcall
WinMain (struct HINSTANCE__ *hInstance,
         struct HINSTANCE__ *hPrevInstance,
         char               *lpszCmdLine,
         int                 nCmdShow)
{
    return main(__argc, __argv);
}
#endif

/*
 * Editor modelines  -  http://www.wireshark.org/tools/modelines.html
 *
 * Local variables:
 * c-basic-offset: 4
 * tab-width: 8
 * indent-tabs-mode: nil
 * End:
 *
 * vi: set shiftwidth=4 tabstop=8 expandtab:
 * :indentSize=4:tabSize=8:noTabs=true:
 */
