test_pdu.c

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/*
 * test_pdu.c - test gw/wtp_pdu packing and unpacking.
 *
 * Richard Braakman
 */
 
#include <string.h>
#include <unistd.h>
#include <signal.h>

#include "gwlib/gwlib.h"
#include "wap/wtp_pdu.h"
#include "wap/wsp_pdu.h"

int main(int argc, char **argv) {
    int i;
    Octstr *packet = NULL;
    Octstr *newpacket = NULL;
    WTP_PDU *pdu = NULL;
    Octstr *wsp_data = NULL;
    WSP_PDU *wsp = NULL;

    gwlib_init();

    for (i = 1; i < argc; i++) {
        octstr_destroy(packet);  packet = NULL;
        octstr_destroy(newpacket);  newpacket = NULL;
        octstr_destroy(wsp_data);  wsp_data = NULL;
        wtp_pdu_destroy(pdu);  pdu = NULL;
        wsp_pdu_destroy(wsp);  wsp = NULL;

        packet = octstr_read_file(argv[i]);
        pdu = wtp_pdu_unpack(packet);
        if (!pdu) {
            warning(0, "Unpacking PDU %s failed", argv[i]);
            continue;
        }
        debug("test", 0, "PDU %s:", argv[i]);  
        wtp_pdu_dump(pdu, 0);
        newpacket = wtp_pdu_pack(pdu);
        if (!newpacket) {
            warning(0, "Repacking PDU %s failed", argv[i]);
            continue;
        }
        if (octstr_compare(packet, newpacket) != 0) {
            error(0, "Repacking PDU %s changed it", argv[i]);
            debug("test", 0, "Original:");
            octstr_dump(packet, 1);
            debug("test", 0, "New:");
            octstr_dump(newpacket, 1);
            continue;
        }
        if (pdu->type == Invoke) {
            wsp_data = pdu->u.Invoke.user_data;
        } else if (pdu->type == Result) {
            wsp_data = pdu->u.Result.user_data;
        } else {
            continue;
        }
        wsp_data = octstr_duplicate(wsp_data);

        wsp = wsp_pdu_unpack(wsp_data);
        if (!wsp) {
            warning(0, "Unpacking WSP data in %s failed", argv[i]);
            continue;
        }
        wsp_pdu_dump(wsp, 0);
        octstr_destroy(newpacket);
        newpacket = wsp_pdu_pack(wsp);
        if (!newpacket) {
            warning(0, "Repacking WSP data in %s failed", argv[i]);
            continue;
        }
        if (octstr_compare(wsp_data, newpacket) != 0) {
            error(0, "Repacking WSP data in %s changed it",
                argv[i]);
            debug("test", 0, "Original:");
            octstr_dump(wsp_data, 1);
            debug("test", 0, "New:");
            octstr_dump(newpacket, 1);
            continue;
        }
    }

    octstr_destroy(packet);
    octstr_destroy(newpacket);
    wtp_pdu_destroy(pdu);

    gwlib_shutdown();
        return 0;
}