Exemple #1
0
/*
 * Returns true if all of the input files have duplicate IDBs to the other files.
 */
static gboolean
all_idbs_are_duplicates(const merge_in_file_t *in_files, const guint in_file_count)
{
    wtapng_iface_descriptions_t *first_idb_list = NULL;
    wtapng_iface_descriptions_t *other_idb_list = NULL;
    guint first_idb_list_size, other_idb_list_size;
    wtap_block_t first_file_idb, other_file_idb;
    guint i, j;

    g_assert(in_files != NULL);

    /* get the first file's info */
    first_idb_list = wtap_file_get_idb_info(in_files[0].wth);
    g_assert(first_idb_list->interface_data);

    first_idb_list_size = first_idb_list->interface_data->len;

    /* now compare the other input files with that */
    for (i = 1; i < in_file_count; i++) {
        other_idb_list = wtap_file_get_idb_info(in_files[i].wth);
        g_assert(other_idb_list->interface_data);
        other_idb_list_size = other_idb_list->interface_data->len;

        if (other_idb_list_size != first_idb_list_size) {
            merge_debug("merge::all_idbs_are_duplicates: sizes of IDB lists don't match: first=%u, other=%u",
                         first_idb_list_size, other_idb_list_size);
            g_free(other_idb_list);
            g_free(first_idb_list);
            return FALSE;
        }

        for (j = 0; j < other_idb_list_size; j++) {
            first_file_idb = g_array_index(first_idb_list->interface_data, wtap_block_t, j);
            other_file_idb = g_array_index(other_idb_list->interface_data, wtap_block_t, j);

            if (!is_duplicate_idb(first_file_idb, other_file_idb)) {
                merge_debug("merge::all_idbs_are_duplicates: IDBs at index %d do not match, returning FALSE", j);
                g_free(other_idb_list);
                g_free(first_idb_list);
                return FALSE;
            }
        }
        g_free(other_idb_list);
    }

    merge_debug("merge::all_idbs_are_duplicates: returning TRUE");

    g_free(first_idb_list);

    return TRUE;
}
Exemple #2
0
void merge_sort_debug(data array[], int len, STAT *stat) {
	if (len > 1) {
		int middle = len/2; // split the array
		merge_sort_debug(array, middle, stat); // order from 0 to middle-1
		merge_sort_debug(array+middle, len-middle, stat); // order from middle to len-1
		stat->recc += 2;
		merge_debug(array, middle, len, stat); // merge the two arrays
	}
}
Exemple #3
0
static gboolean
map_phdr_interface_id(struct wtap_pkthdr *phdr, const merge_in_file_t *in_file)
{
    guint current_interface_id = 0;
    g_assert(phdr != NULL);
    g_assert(in_file != NULL);
    g_assert(in_file->idb_index_map != NULL);

    if (phdr->presence_flags & WTAP_HAS_INTERFACE_ID) {
        current_interface_id = phdr->interface_id;
    }

    if (current_interface_id >= in_file->idb_index_map->len) {
        /* this shouldn't happen, but in a malformed input file it could */
        merge_debug("merge::map_phdr_interface_id: current_interface_id >= in_file->idb_index_map->len (ERROR?)");
        return FALSE;
    }

    phdr->interface_id = g_array_index(in_file->idb_index_map, guint, current_interface_id);
    phdr->presence_flags |= WTAP_HAS_INTERFACE_ID;

    return TRUE;
}
Exemple #4
0
/*
 * Merges the files based on given input, and invokes callback during
 * execution. Returns MERGE_OK on success, or a MERGE_ERR_XXX on failure; note
 * that the passed-in 'err' variable will be more specific to what failed, and
 * err_info will have pretty output.
 */
merge_result
merge_files(int out_fd, const gchar* out_filename, const int file_type,
            const char *const *in_filenames, const guint in_file_count,
            const gboolean do_append, const idb_merge_mode mode,
            guint snaplen, const gchar *app_name, merge_progress_callback_t* cb,
            int *err, gchar **err_info, guint *err_fileno)
{
    merge_in_file_t    *in_files = NULL, *in_file = NULL;
    int                 frame_type = WTAP_ENCAP_PER_PACKET;
    merge_result        status = MERGE_OK;
    wtap_dumper        *pdh;
    struct wtap_pkthdr *phdr, snap_phdr;
    int                 count = 0;
    gboolean            stop_flag = FALSE;
    GArray             *shb_hdrs = NULL;
    wtapng_iface_descriptions_t *idb_inf = NULL;

    g_assert(out_fd > 0);
    g_assert(in_file_count > 0);
    g_assert(in_filenames != NULL);
    g_assert(err != NULL);
    g_assert(err_info != NULL);
    g_assert(err_fileno != NULL);

    /* if a callback was given, it has to have a callback function ptr */
    g_assert((cb != NULL) ? (cb->callback_func != NULL) : TRUE);

    merge_debug("merge_files: begin");

    /* open the input files */
    if (!merge_open_in_files(in_file_count, in_filenames, &in_files,
                             err, err_info, err_fileno)) {
        merge_debug("merge_files: merge_open_in_files() failed with err=%d", *err);
        return MERGE_ERR_CANT_OPEN_INFILE;
    }

    if (cb)
        cb->callback_func(MERGE_EVENT_INPUT_FILES_OPENED, 0, in_files, in_file_count, cb->data);

    if (snaplen == 0) {
        /* Snapshot length not specified - default to the maximum. */
        snaplen = WTAP_MAX_PACKET_SIZE;
    }

    /*
     * This doesn't tell us that much. It tells us what to set the outfile's
     * encap type to, but that's all - for example, it does *not* tells us
     * whether the input files had the same number of IDBs, for the same exact
     * interfaces, and only one IDB each, so it doesn't actually tell us
     * whether we can merge IDBs into one or not.
     */
    frame_type = merge_select_frame_type(in_file_count, in_files);
    merge_debug("merge_files: got frame_type=%d", frame_type);

    if (cb)
        cb->callback_func(MERGE_EVENT_FRAME_TYPE_SELECTED, frame_type, in_files, in_file_count, cb->data);

    /* prepare the outfile */
    if (file_type == WTAP_FILE_TYPE_SUBTYPE_PCAPNG) {
        shb_hdrs = create_shb_header(in_files, in_file_count, app_name);
        merge_debug("merge_files: SHB created");

        idb_inf = generate_merged_idb(in_files, in_file_count, mode);
        merge_debug("merge_files: IDB merge operation complete, got %u IDBs", idb_inf ? idb_inf->interface_data->len : 0);

        pdh = wtap_dump_fdopen_ng(out_fd, file_type, frame_type, snaplen,
                                  FALSE /* compressed */, shb_hdrs, idb_inf,
                                  NULL, err);
    }
    else {
        pdh = wtap_dump_fdopen(out_fd, file_type, frame_type, snaplen, FALSE /* compressed */, err);
    }

    if (pdh == NULL) {
        merge_close_in_files(in_file_count, in_files);
        g_free(in_files);
        wtap_block_array_free(shb_hdrs);
        wtap_free_idb_info(idb_inf);
        return MERGE_ERR_CANT_OPEN_OUTFILE;
    }

    if (cb)
        cb->callback_func(MERGE_EVENT_READY_TO_MERGE, 0, in_files, in_file_count, cb->data);

    for (;;) {
        *err = 0;

        if (do_append) {
            in_file = merge_append_read_packet(in_file_count, in_files, err,
                                               err_info);
        }
        else {
            in_file = merge_read_packet(in_file_count, in_files, err,
                                        err_info);
        }

        if (in_file == NULL) {
            /* EOF */
            break;
        }

        if (*err != 0) {
            /* I/O error reading from in_file */
            status = MERGE_ERR_CANT_READ_INFILE;
            break;
        }

        count++;
        if (cb)
            stop_flag = cb->callback_func(MERGE_EVENT_PACKET_WAS_READ, count, in_files, in_file_count, cb->data);

        if (stop_flag) {
            /* The user decided to abort the merge. */
            status = MERGE_USER_ABORTED;
            break;
        }

        phdr = wtap_phdr(in_file->wth);

        if (snaplen != 0 && phdr->caplen > snaplen) {
            /*
             * The dumper will only write up to caplen bytes out, so we only
             * need to change that value, instead of cloning the whole packet
             * with fewer bytes.
             *
             * XXX: but do we need to change the IDBs' snap_len?
             */
            snap_phdr = *phdr;
            snap_phdr.caplen = snaplen;
            phdr = &snap_phdr;
        }

        if (file_type == WTAP_FILE_TYPE_SUBTYPE_PCAPNG) {
            /*
             * XXX - We should do this only for record types
             * that pertain to a particular interface; for
             * now, we hardcode that, but we need to figure
             * out a more general way to handle this.
             */
            if (phdr->rec_type == REC_TYPE_PACKET) {
                if (!map_phdr_interface_id(phdr, in_file)) {
                    status = MERGE_ERR_BAD_PHDR_INTERFACE_ID;
                    break;
                }
            }
        }

        if (!wtap_dump(pdh, phdr, wtap_buf_ptr(in_file->wth), err, err_info)) {
            status = MERGE_ERR_CANT_WRITE_OUTFILE;
            break;
        }
    }

    if (cb)
        cb->callback_func(MERGE_EVENT_DONE, count, in_files, in_file_count, cb->data);

    merge_close_in_files(in_file_count, in_files);

    if (status == MERGE_OK || status == MERGE_USER_ABORTED) {
        if (!wtap_dump_close(pdh, err))
            status = MERGE_ERR_CANT_CLOSE_OUTFILE;
    } else {
        /*
         * We already got some error; no need to report another error on
         * close.
         *
         * Don't overwrite the earlier error.
         */
        int close_err = 0;
        (void)wtap_dump_close(pdh, &close_err);
    }

    if (status != MERGE_OK) {
        GString *err_message = NULL;
        gchar   *display_basename = NULL;

        switch(status) {

            case MERGE_ERR_CANT_READ_INFILE:
                *err_info = get_read_error_string(in_files, in_file_count, err, err_info);
                break;

            case MERGE_ERR_CANT_WRITE_OUTFILE: /* fall through */
            case MERGE_ERR_CANT_CLOSE_OUTFILE:
                *err_info = get_write_error_string(in_file, file_type, out_filename, err, err_info);
                break;

            case MERGE_ERR_BAD_PHDR_INTERFACE_ID:
                display_basename = g_filename_display_basename(in_file ? in_file->filename : "UNKNOWN");
                if (*err_info != NULL)
                    g_free(*err_info);
                err_message = g_string_new("");
                g_string_printf(err_message,
                    "Record %u of \"%s\" has an interface ID which does not match any IDB in its file.",
                    in_file ? in_file->packet_num : 0, display_basename);
                g_free(display_basename);
                *err_info = g_string_free(err_message, FALSE);
                break;

            case MERGE_USER_ABORTED: /* not really an error */
            default:
                break;
        }
    }

    g_free(in_files);
    wtap_block_array_free(shb_hdrs);
    wtap_free_idb_info(idb_inf);

    return status;
}
Exemple #5
0
/*
 * Create clone IDBs for the merge file, based on the input files and mode.
 */
static wtapng_iface_descriptions_t *
generate_merged_idb(merge_in_file_t *in_files, const guint in_file_count, const idb_merge_mode mode)
{
    wtapng_iface_descriptions_t *merged_idb_list = NULL;
    wtapng_iface_descriptions_t *input_file_idb_list = NULL;
    wtap_block_t                 input_file_idb;
    guint                        itf_count, merged_index;
    guint                        i;

    /* create new IDB info */
    merged_idb_list = g_new(wtapng_iface_descriptions_t,1);
    merged_idb_list->interface_data = g_array_new(FALSE, FALSE, sizeof(wtap_block_t));

    if (mode == IDB_MERGE_MODE_ALL_SAME && all_idbs_are_duplicates(in_files, in_file_count)) {
        guint num_idbs;

        merge_debug("merge::generate_merged_idb: mode ALL set and all IDBs are duplicates");

        /* they're all the same, so just get the first file's IDBs */
        input_file_idb_list = wtap_file_get_idb_info(in_files[0].wth);
        /* this is really one more than number of IDBs, but that's good for the for-loops */
        num_idbs = input_file_idb_list->interface_data->len;

        /* put them in the merged file */
        for (itf_count = 0; itf_count < num_idbs; itf_count++) {
            input_file_idb = g_array_index(input_file_idb_list->interface_data,
                                            wtap_block_t, itf_count);
            merged_index = add_idb_to_merged_file(merged_idb_list, input_file_idb);
            add_idb_index_map(&in_files[0], itf_count, merged_index);
        }

        /* and set all the other file index maps the same way */
        for (i = 1; i < in_file_count; i++) {
            for (itf_count = 0; itf_count < num_idbs; itf_count++) {
                add_idb_index_map(&in_files[i], itf_count, itf_count);
            }
        }

        g_free(input_file_idb_list);
    }
    else {
        for (i = 0; i < in_file_count; i++) {
            input_file_idb_list = wtap_file_get_idb_info(in_files[i].wth);

            for (itf_count = 0; itf_count < input_file_idb_list->interface_data->len; itf_count++) {
                input_file_idb = g_array_index(input_file_idb_list->interface_data,
                                                wtap_block_t, itf_count);

                if (mode == IDB_MERGE_MODE_ANY_SAME &&
                    find_duplicate_idb(input_file_idb, merged_idb_list, &merged_index))
                {
                    merge_debug("merge::generate_merged_idb: mode ANY set and found a duplicate");
                    /*
                     * It's the same as a previous IDB, so we're going to "merge"
                     * them into one by adding a map from its old IDB index to the new
                     * one. This will be used later to change the phdr interface_id.
                     */
                    add_idb_index_map(&in_files[i], itf_count, merged_index);
                }
                else {
                    merge_debug("merge::generate_merged_idb: mode NONE set or did not find a duplicate");
                    /*
                     * This IDB does not match a previous (or we want to save all IDBs),
                     * so add the IDB to the merge file, and add a map of the indeces.
                     */
                    merged_index = add_idb_to_merged_file(merged_idb_list, input_file_idb);
                    add_idb_index_map(&in_files[i], itf_count, merged_index);
                }
            }

            g_free(input_file_idb_list);
        }
    }

    return merged_idb_list;
}
Exemple #6
0
static gboolean
is_duplicate_idb(const wtap_block_t idb1, const wtap_block_t idb2)
{
    wtapng_if_descr_mandatory_t *idb1_mand, *idb2_mand;
    gboolean have_idb1_value, have_idb2_value;
    guint64 idb1_if_speed, idb2_if_speed;
    guint8 idb1_if_tsresol, idb2_if_tsresol;
    guint8 idb1_if_fcslen, idb2_if_fcslen;
    char *idb1_opt_comment, *idb2_opt_comment, *idb1_if_name, *idb2_if_name,
         *idb1_if_description, *idb2_if_description, *idb1_if_os, *idb2_if_os;

    g_assert(idb1 && idb2);
    idb1_mand = (wtapng_if_descr_mandatory_t*)wtap_block_get_mandatory_data(idb1);
    idb2_mand = (wtapng_if_descr_mandatory_t*)wtap_block_get_mandatory_data(idb2);

    merge_debug("merge::is_duplicate_idb() called");
    merge_debug("idb1_mand->wtap_encap == idb2_mand->wtap_encap: %s",
                 (idb1_mand->wtap_encap == idb2_mand->wtap_encap) ? "TRUE":"FALSE");
    if (idb1_mand->wtap_encap != idb2_mand->wtap_encap) {
        /* Clearly not the same interface. */
        merge_debug("merge::is_duplicate_idb() returning FALSE");
        return FALSE;
    }

    merge_debug("idb1_mand->link_type == idb2_mand->link_type: %s",
                 (idb1_mand->link_type == idb2_mand->link_type) ? "TRUE":"FALSE");
    if (idb1_mand->link_type != idb2_mand->link_type) {
        /* Clearly not the same interface. */
        merge_debug("merge::is_duplicate_idb() returning FALSE");
        return FALSE;
    }

    merge_debug("idb1_mand->time_units_per_second == idb2_mand->time_units_per_second: %s",
                 (idb1_mand->time_units_per_second == idb2_mand->time_units_per_second) ? "TRUE":"FALSE");
    if (idb1_mand->time_units_per_second != idb2_mand->time_units_per_second) {
        /*
         * Probably not the same interface, and we can't combine them
         * in any case.
         */
        merge_debug("merge::is_duplicate_idb() returning FALSE");
        return FALSE;
    }

    merge_debug("idb1_mand->tsprecision == idb2_mand->tsprecision: %s",
                 (idb1_mand->tsprecision == idb2_mand->tsprecision) ? "TRUE":"FALSE");
    if (idb1_mand->tsprecision != idb2_mand->tsprecision) {
        /*
         * Probably not the same interface, and we can't combine them
         * in any case.
         */
        merge_debug("merge::is_duplicate_idb() returning FALSE");
        return FALSE;
    }

    /* XXX: should snaplen not be compared? */
    merge_debug("idb1_mand->snap_len == idb2_mand->snap_len: %s",
                 (idb1_mand->snap_len == idb2_mand->snap_len) ? "TRUE":"FALSE");
    if (idb1_mand->snap_len != idb2_mand->snap_len) {
        merge_debug("merge::is_duplicate_idb() returning FALSE");
        return FALSE;
    }

    /* XXX - what do to if we have only one value? */
    have_idb1_value = (wtap_block_get_uint64_option_value(idb1, OPT_IDB_SPEED, &idb1_if_speed) == WTAP_OPTTYPE_SUCCESS);
    have_idb2_value = (wtap_block_get_uint64_option_value(idb2, OPT_IDB_SPEED, &idb2_if_speed) == WTAP_OPTTYPE_SUCCESS);
    if (have_idb1_value && have_idb2_value) {
        merge_debug("idb1_if_speed == idb2_if_speed: %s",
                     (idb1_if_speed == idb2_if_speed) ? "TRUE":"FALSE");
        if (idb1_if_speed != idb2_if_speed) {
            merge_debug("merge::is_duplicate_idb() returning FALSE");
            return FALSE;
        }
    }

    /* XXX - what do to if we have only one value? */
    have_idb1_value = (wtap_block_get_uint8_option_value(idb1, OPT_IDB_TSRESOL, &idb1_if_tsresol) == WTAP_OPTTYPE_SUCCESS);
    have_idb2_value = (wtap_block_get_uint8_option_value(idb2, OPT_IDB_TSRESOL, &idb2_if_tsresol) == WTAP_OPTTYPE_SUCCESS);
    if (have_idb1_value && have_idb2_value) {
        merge_debug("idb1_if_tsresol == idb2_if_tsresol: %s",
                     (idb1_if_tsresol == idb2_if_tsresol) ? "TRUE":"FALSE");
        if (idb1_if_tsresol != idb2_if_tsresol) {
            merge_debug("merge::is_duplicate_idb() returning FALSE");
            return FALSE;
        }
    }

    /* XXX - what do to if we have only one value? */
    have_idb1_value = (wtap_block_get_uint8_option_value(idb1, OPT_IDB_FCSLEN, &idb1_if_fcslen) == WTAP_OPTTYPE_SUCCESS);
    have_idb2_value = (wtap_block_get_uint8_option_value(idb2, OPT_IDB_FCSLEN, &idb2_if_fcslen) == WTAP_OPTTYPE_SUCCESS);
    if (have_idb1_value && have_idb2_value) {
        merge_debug("idb1_if_fcslen == idb2_if_fcslen: %s",
                     (idb1_if_fcslen == idb2_if_fcslen) ? "TRUE":"FALSE");
        if (idb1_if_fcslen == idb2_if_fcslen) {
            merge_debug("merge::is_duplicate_idb() returning FALSE");
            return FALSE;
        }
    }

    /*
     * XXX - handle multiple comments?
     * XXX - if the comments are different, just combine them if we
     * decide the two interfaces are really the same?  As comments
     * can be arbitrary strings added by people, the fact that they're
     * different doesn't necessarily mean the interfaces are different.
     */
    have_idb1_value = (wtap_block_get_nth_string_option_value(idb1, OPT_COMMENT, 0, &idb1_opt_comment) == WTAP_OPTTYPE_SUCCESS);
    have_idb2_value = (wtap_block_get_nth_string_option_value(idb2, OPT_COMMENT, 0, &idb2_opt_comment) == WTAP_OPTTYPE_SUCCESS);
    if (have_idb1_value && have_idb2_value) {
        merge_debug("g_strcmp0(idb1_opt_comment, idb2_opt_comment) == 0: %s",
                     (g_strcmp0(idb1_opt_comment, idb2_opt_comment) == 0) ? "TRUE":"FALSE");
        if (g_strcmp0(idb1_opt_comment, idb2_opt_comment) != 0) {
            merge_debug("merge::is_duplicate_idb() returning FALSE");
            return FALSE;
        }
    }

    /* XXX - what do to if we have only one value? */
    have_idb1_value = (wtap_block_get_string_option_value(idb1, OPT_IDB_NAME, &idb1_if_name) == WTAP_OPTTYPE_SUCCESS);
    have_idb2_value = (wtap_block_get_string_option_value(idb2, OPT_IDB_NAME, &idb2_if_name) == WTAP_OPTTYPE_SUCCESS);
    if (have_idb1_value && have_idb2_value) {
        merge_debug("g_strcmp0(idb1_if_name, idb2_if_name) == 0: %s",
                     (g_strcmp0(idb1_if_name, idb2_if_name) == 0) ? "TRUE":"FALSE");
        if (g_strcmp0(idb1_if_name, idb2_if_name) != 0) {
            merge_debug("merge::is_duplicate_idb() returning FALSE");
            return FALSE;
        }
    }

    /* XXX - what do to if we have only one value? */
    have_idb1_value = (wtap_block_get_string_option_value(idb1, OPT_IDB_DESCR, &idb1_if_description) == WTAP_OPTTYPE_SUCCESS);
    have_idb2_value = (wtap_block_get_string_option_value(idb2, OPT_IDB_DESCR, &idb2_if_description) == WTAP_OPTTYPE_SUCCESS);
    if (have_idb1_value && have_idb2_value) {
        merge_debug("g_strcmp0(idb1_if_description, idb2_if_description) == 0: %s",
                     (g_strcmp0(idb1_if_description, idb2_if_description) == 0) ? "TRUE":"FALSE");
        if (g_strcmp0(idb1_if_description, idb2_if_description) != 0) {
            merge_debug("merge::is_duplicate_idb() returning FALSE");
            return FALSE;
        }
    }

    /* XXX - what do to if we have only one value? */
    have_idb1_value = (wtap_block_get_string_option_value(idb1, OPT_IDB_OS, &idb1_if_os) == WTAP_OPTTYPE_SUCCESS);
    have_idb2_value = (wtap_block_get_string_option_value(idb2, OPT_IDB_OS, &idb2_if_os) == WTAP_OPTTYPE_SUCCESS);
    if (have_idb1_value && have_idb2_value) {
        merge_debug("g_strcmp0(idb1_if_os, idb2_if_os) == 0: %s",
                     (g_strcmp0(idb1_if_os, idb2_if_os) == 0) ? "TRUE":"FALSE");
        if (g_strcmp0(idb1_if_os, idb2_if_os) != 0) {
            merge_debug("merge::is_duplicate_idb() returning FALSE");
            return FALSE;
        }
    }

    /* does not compare filters nor interface statistics */
    merge_debug("merge::is_duplicate_idb() returning TRUE");
    return TRUE;
}
Exemple #7
0
/*
 * Merges the files to an output file whose name is supplied as an argument,
 * based on given input, and invokes callback during execution. Returns
 * MERGE_OK on success, or a MERGE_ERR_XXX on failure.
 */
merge_result
merge_files(const gchar* out_filename, const int file_type,
            const char *const *in_filenames, const guint in_file_count,
            const gboolean do_append, const idb_merge_mode mode,
            guint snaplen, const gchar *app_name, merge_progress_callback_t* cb,
            int *err, gchar **err_info, guint *err_fileno,
            guint32 *err_framenum)
{
    merge_in_file_t    *in_files = NULL;
    int                 frame_type = WTAP_ENCAP_PER_PACKET;
    merge_result        status = MERGE_OK;
    wtap_dumper        *pdh;
    GArray             *shb_hdrs = NULL;
    wtapng_iface_descriptions_t *idb_inf = NULL;

    g_assert(out_filename != NULL);
    g_assert(in_file_count > 0);
    g_assert(in_filenames != NULL);
    g_assert(err != NULL);
    g_assert(err_info != NULL);
    g_assert(err_fileno != NULL);
    g_assert(err_framenum != NULL);

    /* if a callback was given, it has to have a callback function ptr */
    g_assert((cb != NULL) ? (cb->callback_func != NULL) : TRUE);

    merge_debug("merge_files: begin");

    /* open the input files */
    if (!merge_open_in_files(in_file_count, in_filenames, &in_files, cb,
                             err, err_info, err_fileno)) {
        merge_debug("merge_files: merge_open_in_files() failed with err=%d", *err);
        *err_framenum = 0;
        return MERGE_ERR_CANT_OPEN_INFILE;
    }

    if (snaplen == 0) {
        /* Snapshot length not specified - default to the maximum. */
        snaplen = WTAP_MAX_PACKET_SIZE_STANDARD;
    }

    /*
     * This doesn't tell us that much. It tells us what to set the outfile's
     * encap type to, but that's all - for example, it does *not* tells us
     * whether the input files had the same number of IDBs, for the same exact
     * interfaces, and only one IDB each, so it doesn't actually tell us
     * whether we can merge IDBs into one or not.
     */
    frame_type = merge_select_frame_type(in_file_count, in_files);
    merge_debug("merge_files: got frame_type=%d", frame_type);

    if (cb)
        cb->callback_func(MERGE_EVENT_FRAME_TYPE_SELECTED, frame_type, in_files, in_file_count, cb->data);

    /* prepare the outfile */
    if (file_type == WTAP_FILE_TYPE_SUBTYPE_PCAPNG) {
        shb_hdrs = create_shb_header(in_files, in_file_count, app_name);
        merge_debug("merge_files: SHB created");

        idb_inf = generate_merged_idb(in_files, in_file_count, mode);
        merge_debug("merge_files: IDB merge operation complete, got %u IDBs", idb_inf ? idb_inf->interface_data->len : 0);

        pdh = wtap_dump_open_ng(out_filename, file_type, frame_type, snaplen,
                                FALSE /* compressed */, shb_hdrs, idb_inf,
                                NULL, err);
    }
    else {
        pdh = wtap_dump_open(out_filename, file_type, frame_type, snaplen,
                             FALSE /* compressed */, err);
    }

    if (pdh == NULL) {
        merge_close_in_files(in_file_count, in_files);
        g_free(in_files);
        wtap_block_array_free(shb_hdrs);
        wtap_free_idb_info(idb_inf);
        *err_framenum = 0;
        return MERGE_ERR_CANT_OPEN_OUTFILE;
    }

    if (cb)
        cb->callback_func(MERGE_EVENT_READY_TO_MERGE, 0, in_files, in_file_count, cb->data);

    status = merge_process_packets(pdh, file_type, in_files, in_file_count,
                                   do_append, snaplen, cb, err, err_info,
                                   err_fileno, err_framenum);

    g_free(in_files);
    wtap_block_array_free(shb_hdrs);
    wtap_free_idb_info(idb_inf);

    return status;
}
Exemple #8
0
static gboolean
is_duplicate_idb(const wtap_optionblock_t idb1, const wtap_optionblock_t idb2)
{
    wtapng_if_descr_mandatory_t *idb1_mand, *idb2_mand;
    guint64 idb1_if_speed, idb2_if_speed;
    guint8 idb1_if_tsresol, idb2_if_tsresol;
    guint8 idb1_if_fcslen, idb2_if_fcslen;
    char *idb1_opt_comment, *idb2_opt_comment, *idb1_if_name, *idb2_if_name,
         *idb1_if_description, *idb2_if_description, *idb1_if_os, *idb2_if_os;

    g_assert(idb1 && idb2);
    idb1_mand = (wtapng_if_descr_mandatory_t*)wtap_optionblock_get_mandatory_data(idb1);
    idb2_mand = (wtapng_if_descr_mandatory_t*)wtap_optionblock_get_mandatory_data(idb2);

    merge_debug("merge::is_duplicate_idb() called");
    merge_debug("idb1_mand->wtap_encap == idb2_mand->wtap_encap: %s",
                (idb1_mand->wtap_encap == idb2_mand->wtap_encap) ? "TRUE":"FALSE");
    merge_debug("idb1_mand->time_units_per_second == idb2_mand->time_units_per_second: %s",
                (idb1_mand->time_units_per_second == idb2_mand->time_units_per_second) ? "TRUE":"FALSE");
    merge_debug("idb1_mand->tsprecision == idb2_mand->tsprecision: %s",
                (idb1_mand->tsprecision == idb2_mand->tsprecision) ? "TRUE":"FALSE");
    merge_debug("idb1_mand->link_type == idb2_mand->link_type: %s",
                (idb1_mand->link_type == idb2_mand->link_type) ? "TRUE":"FALSE");
    merge_debug("idb1_mand->snap_len == idb2_mand->snap_len: %s",
                (idb1_mand->snap_len == idb2_mand->snap_len) ? "TRUE":"FALSE");

    wtap_optionblock_get_option_uint64(idb1, OPT_IDB_SPEED, &idb1_if_speed);
    wtap_optionblock_get_option_uint64(idb2, OPT_IDB_SPEED, &idb2_if_speed);
    merge_debug("idb1_if_speed == idb2_if_speed: %s",
                (idb1_if_speed == idb2_if_speed) ? "TRUE":"FALSE");

    wtap_optionblock_get_option_uint8(idb1, OPT_IDB_TSRESOL, &idb1_if_tsresol);
    wtap_optionblock_get_option_uint8(idb2, OPT_IDB_TSRESOL, &idb2_if_tsresol);
    merge_debug("idb1_if_tsresol == idb2_if_tsresol: %s",
                (idb1_if_tsresol == idb2_if_tsresol) ? "TRUE":"FALSE");

    wtap_optionblock_get_option_uint8(idb1, OPT_IDB_FCSLEN, &idb1_if_fcslen);
    wtap_optionblock_get_option_uint8(idb2, OPT_IDB_FCSLEN, &idb2_if_fcslen);
    merge_debug("idb1_if_fcslen == idb2_if_fcslen: %s",
                (idb1_if_fcslen == idb2_if_fcslen) ? "TRUE":"FALSE");

    wtap_optionblock_get_option_string(idb1, OPT_COMMENT, &idb1_opt_comment);
    wtap_optionblock_get_option_string(idb2, OPT_COMMENT, &idb2_opt_comment);
    merge_debug("g_strcmp0(idb1_opt_comment, idb2_opt_comment) == 0: %s",
                (g_strcmp0(idb1_opt_comment, idb2_opt_comment) == 0) ? "TRUE":"FALSE");

    wtap_optionblock_get_option_string(idb1, OPT_IDB_NAME, &idb1_if_name);
    wtap_optionblock_get_option_string(idb2, OPT_IDB_NAME, &idb2_if_name);
    merge_debug("g_strcmp0(idb1_if_name, idb2_if_name) == 0: %s",
                (g_strcmp0(idb1_if_name, idb2_if_name) == 0) ? "TRUE":"FALSE");

    wtap_optionblock_get_option_string(idb1, OPT_IDB_DESCR, &idb1_if_description);
    wtap_optionblock_get_option_string(idb2, OPT_IDB_DESCR, &idb2_if_description);
    merge_debug("g_strcmp0(idb1_if_description, idb2_if_description) == 0: %s",
                (g_strcmp0(idb1_if_description, idb2_if_description) == 0) ? "TRUE":"FALSE");

    wtap_optionblock_get_option_string(idb1, OPT_IDB_OS, &idb1_if_os);
    wtap_optionblock_get_option_string(idb2, OPT_IDB_OS, &idb2_if_os);
    merge_debug("g_strcmp0(idb1_if_os, idb2_if_os) == 0: %s",
                (g_strcmp0(idb1_if_os, idb2_if_os) == 0) ? "TRUE":"FALSE");
    merge_debug("merge::is_duplicate_idb() returning");

    /* does not compare filters nor interface statistics */
    return (idb1_mand->wtap_encap == idb2_mand->wtap_encap &&
            idb1_mand->time_units_per_second == idb2_mand->time_units_per_second &&
            idb1_mand->tsprecision == idb2_mand->tsprecision &&
            idb1_mand->link_type == idb2_mand->link_type &&
            /* XXX: should snaplen not be compared? */
            idb1_mand->snap_len == idb2_mand->snap_len &&
            idb1_if_speed == idb2_if_speed &&
            idb1_if_tsresol == idb2_if_tsresol &&
            idb1_if_fcslen == idb2_if_fcslen &&
            g_strcmp0(idb1_opt_comment, idb2_opt_comment) == 0 &&
            g_strcmp0(idb1_if_name, idb2_if_name) == 0 &&
            g_strcmp0(idb1_if_description, idb2_if_description) == 0 &&
            g_strcmp0(idb1_if_os, idb2_if_os) == 0);
}
Exemple #9
0
static gboolean
is_duplicate_idb(const wtapng_if_descr_t *idb1, const wtapng_if_descr_t *idb2)
{
    g_assert(idb1 && idb2);

    merge_debug("merge::is_duplicate_idb() called");
    merge_debug("idb1->wtap_encap == idb2->wtap_encap: %s",
                 (idb1->wtap_encap == idb2->wtap_encap) ? "TRUE":"FALSE");
    merge_debug("idb1->time_units_per_second == idb2->time_units_per_second: %s",
                 (idb1->time_units_per_second == idb2->time_units_per_second) ? "TRUE":"FALSE");
    merge_debug("idb1->tsprecision == idb2->tsprecision: %s",
                 (idb1->tsprecision == idb2->tsprecision) ? "TRUE":"FALSE");
    merge_debug("idb1->link_type == idb2->link_type: %s",
                 (idb1->link_type == idb2->link_type) ? "TRUE":"FALSE");
    merge_debug("idb1->snap_len == idb2->snap_len: %s",
                 (idb1->snap_len == idb2->snap_len) ? "TRUE":"FALSE");
    merge_debug("idb1->if_speed == idb2->if_speed: %s",
                 (idb1->if_speed == idb2->if_speed) ? "TRUE":"FALSE");
    merge_debug("idb1->if_tsresol == idb2->if_tsresol: %s",
                 (idb1->if_tsresol == idb2->if_tsresol) ? "TRUE":"FALSE");
    merge_debug("idb1->if_fcslen == idb2->if_fcslen: %s",
                 (idb1->if_fcslen == idb2->if_fcslen) ? "TRUE":"FALSE");
    merge_debug("g_strcmp0(idb1->opt_comment, idb2->opt_comment) == 0: %s",
                 (g_strcmp0(idb1->opt_comment, idb2->opt_comment) == 0) ? "TRUE":"FALSE");
    merge_debug("g_strcmp0(idb1->if_name, idb2->if_name) == 0: %s",
                 (g_strcmp0(idb1->if_name, idb2->if_name) == 0) ? "TRUE":"FALSE");
    merge_debug("g_strcmp0(idb1->if_description, idb2->if_description) == 0: %s",
                 (g_strcmp0(idb1->if_description, idb2->if_description) == 0) ? "TRUE":"FALSE");
    merge_debug("g_strcmp0(idb1->if_os, idb2->if_os) == 0: %s",
                 (g_strcmp0(idb1->if_os, idb2->if_os) == 0) ? "TRUE":"FALSE");
    merge_debug("merge::is_duplicate_idb() returning");

    /* does not compare filters nor interface statistics */
    return (idb1->wtap_encap == idb2->wtap_encap &&
            idb1->time_units_per_second == idb2->time_units_per_second &&
            idb1->tsprecision == idb2->tsprecision &&
            idb1->link_type == idb2->link_type &&
            /* XXX: should snaplen not be compared? */
            idb1->snap_len == idb2->snap_len &&
            idb1->if_speed == idb2->if_speed &&
            idb1->if_tsresol == idb2->if_tsresol &&
            idb1->if_fcslen == idb2->if_fcslen &&
            g_strcmp0(idb1->opt_comment, idb2->opt_comment) == 0 &&
            g_strcmp0(idb1->if_name, idb2->if_name) == 0 &&
            g_strcmp0(idb1->if_description, idb2->if_description) == 0 &&
            g_strcmp0(idb1->if_os, idb2->if_os) == 0);
}