test_ppg.c

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/* ==================================================================== 
 * The Kannel Software License, Version 1.0 
 * 
 * Copyright (c) 2001-2018 Kannel Group  
 * Copyright (c) 1998-2001 WapIT Ltd.   
 * All rights reserved. 
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met: 
 * 
 * 1. Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer. 
 * 
 * 2. Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in 
 *    the documentation and/or other materials provided with the 
 *    distribution. 
 * 
 * 3. The end-user documentation included with the redistribution, 
 *    if any, must include the following acknowledgment: 
 *       "This product includes software developed by the 
 *        Kannel Group (http://www.kannel.org/)." 
 *    Alternately, this acknowledgment may appear in the software itself, 
 *    if and wherever such third-party acknowledgments normally appear. 
 * 
 * 4. The names "Kannel" and "Kannel Group" must not be used to 
 *    endorse or promote products derived from this software without 
 *    prior written permission. For written permission, please  
 *    contact org@kannel.org. 
 * 
 * 5. Products derived from this software may not be called "Kannel", 
 *    nor may "Kannel" appear in their name, without prior written 
 *    permission of the Kannel Group. 
 * 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
 * DISCLAIMED.  IN NO EVENT SHALL THE KANNEL GROUP OR ITS CONTRIBUTORS 
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,  
 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT  
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR  
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,  
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE  
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,  
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 * ==================================================================== 
 * 
 * This software consists of voluntary contributions made by many 
 * individuals on behalf of the Kannel Group.  For more information on  
 * the Kannel Group, please see <http://www.kannel.org/>. 
 * 
 * Portions of this software are based upon software originally written at  
 * WapIT Ltd., Helsinki, Finland for the Kannel project.  
 */ 

/*
 * A very simple push initiator for testing a push proxy gateway
 *
 * Read pap control content and push content from files, pack them into a PAP
 * protocol MIME message and invoke push services specified by an url. Use a 
 * hardcoded message boundary (asdlfkjiurwgasf), for simpler command line 
 * interface.
 * Repetitions and use of multiple threads can be requested, in addition of 
 * setting of some headers. 
 *
 * By Aarno Syv�nen for Wiral Ltd and Global Networks Inc.
 */

#define MAX_THREADS 1024
#define MAX_IN_QUEUE 128

#include <unistd.h>
#include <stdlib.h>
#include <string.h>

#include "gwlib/gwlib.h"
#include "gw/wap_push_pap_compiler.h"

static long max_pushes = 1;
static int verbose = 1,
           use_hardcoded = 0,
           num_urls = 0,
           use_headers = 0,
           use_config = 0,
           accept_binary = 0, 
           use_numeric = 0,
           use_string = 0,
           use_content_header = 0,
           add_epilogue = 0,
           add_preamble = 0,
           use_dlr_mask = 0,
           use_dlr_url = 0;
static double wait_seconds = 0.0;
static Counter *counter = NULL;
static char **push_data = NULL;
static char *boundary = NULL;
static Octstr *content_flag = NULL;
static Octstr *appid_flag = NULL;
static Octstr *appid_string = NULL;
static Octstr *content_header = NULL;
static Octstr *content_transfer_encoding = NULL;
static Octstr *connection = NULL;
static Octstr *delimiter = NULL;
static Octstr *initiator_uri = NULL;
static Octstr *dlr_mask = NULL;
static Octstr *dlr_url = NULL;

enum { SSL_CONNECTION_OFF = 0,
       DEFAULT_NUMBER_OF_RELOGS = 2};

/*
 * Configuration variables
 */
static int pi_ssl = SSL_CONNECTION_OFF;
static long retries = DEFAULT_NUMBER_OF_RELOGS;
static Octstr *ssl_client_certkey_file = NULL;
static Octstr *push_url = NULL;
static Octstr *pap_file = NULL;
static Octstr *content_file = NULL;
static Octstr *username = NULL;
static Octstr *password = NULL;

static void read_test_ppg_config(Octstr *name)
{
    Cfg *cfg;
    CfgGroup *grp;

    cfg = cfg_create(name);
    if (cfg_read(cfg) == -1)
        panic(0, "Cannot read a configuration file %s, exiting",
              octstr_get_cstr(name));
    cfg_dump(cfg);
    grp = cfg_get_single_group(cfg, octstr_imm("test-ppg"));
    cfg_get_integer(&retries, grp, octstr_imm("retries"));
    cfg_get_bool(&pi_ssl, grp, octstr_imm("pi-ssl"));
#ifdef HAVE_LIBSSL    
    if (pi_ssl) {
        ssl_client_certkey_file = cfg_get(grp, 
            octstr_imm("ssl-client-certkey-file"));
        if (ssl_client_certkey_file != NULL) {
            conn_use_global_client_certkey_file(ssl_client_certkey_file);
        } else { 
            error(0, "cannot set up SSL without client certkey file");
            exit(1);
        }
    }
#endif

    grp = cfg_get_single_group(cfg, octstr_imm("configuration"));
    push_url = cfg_get(grp, octstr_imm("push-url"));
    pap_file =  cfg_get(grp, octstr_imm("pap-file"));
    content_file =  cfg_get(grp, octstr_imm("content-file"));
    if (!use_hardcoded) {
        username = cfg_get(grp, octstr_imm("username"));
        password = cfg_get(grp, octstr_imm("password"));
    }

    cfg_destroy(cfg);
}

static void add_delimiter(Octstr **content)
{
    if (octstr_compare(delimiter, octstr_imm("crlf")) == 0) {
        octstr_format_append(*content, "%c", '\r');
    }

    octstr_format_append(*content, "%c", '\n');
}

static void add_push_application_id(Octstr *appid_flag, Octstr **content,
                                    int use_string)
{
    if (use_string) {
        *content = octstr_format("%S\r\n", appid_string);
        return;
    }

    if (octstr_compare(appid_flag, octstr_imm("any")) == 0) {
        if (!use_numeric)
            *content = octstr_create("X-WAP-Application-Id: http://www.wiral.com:*\r\n");
        else
            *content = octstr_create("X-WAP-Application-Id: 0\r\n");
    } else if (octstr_compare(appid_flag, octstr_imm("ua")) == 0) {
        if (!use_numeric)
            *content = octstr_create("X-WAP-Application-Id: http://www.wiral.com:wml.ua\r\n");
        else
            *content = octstr_create("X-WAP-Application-Id: 2\r\n");
    } else if (octstr_compare(appid_flag, octstr_imm("mms")) == 0) {
        if (!use_numeric)
            *content = octstr_create("X-WAP-Application-Id: mms.ua\r\n");
        else
            *content = octstr_create("X-WAP-Application-Id: 4\r\n");
    } else if (octstr_compare(appid_flag, octstr_imm("scrap")) == 0) {
        if (!use_numeric)
            *content = octstr_create("X-WAP-Application-Id: no appid at all\r\n");
        else
            *content = octstr_create("X-WAP-Application-Id: this is not a numeric header\r\n");
    }
}

static void add_dlr_mask(List **push_headers, Octstr *value)
{
    http_header_add(*push_headers, "X-Kannel-DLR-Mask", 
                    octstr_get_cstr(value));
}

static void add_dlr_url(List **push_headers, Octstr *value)
{
    http_header_add(*push_headers, "X-Kannel-DLR-Url",
                    octstr_get_cstr(value));
}

static void add_part_header(Octstr *content_keader, Octstr **wap_content)
{
    if (use_content_header) {
        octstr_append(*wap_content, content_header);
    }

    add_delimiter(wap_content);
}


static void add_content_type(Octstr *content_flag, Octstr **content)
{
    if (*content == NULL)
        *content = octstr_create("");

    if (octstr_compare(content_flag, octstr_imm("wml")) == 0)
        octstr_append_cstr(*content, "Content-Type: text/vnd.wap.wml\r\n");
    else if (octstr_compare(content_flag, octstr_imm("si")) == 0)
        octstr_append_cstr(*content, "Content-Type: text/vnd.wap.si\r\n");
    else if (octstr_compare(content_flag, octstr_imm("sl")) == 0)
        octstr_append_cstr(*content, "Content-Type: text/vnd.wap.sl\r\n");
    else if (octstr_compare(content_flag, octstr_imm("multipart")) == 0)
        octstr_append_cstr(*content, "Content-Type: multipart/related; boundary=fsahgwruijkfldsa\r\n");
    else if (octstr_compare(content_flag, octstr_imm("mms")) == 0) 
        octstr_append_cstr(*content, "Content-Type: application/vnd.wap.mms-message\r\n");
}

static void add_content_transfer_encoding_type(Octstr *content_flag, 
                                               Octstr *wap_content)
{
    if (!content_flag)
    return;

    if (octstr_compare(content_flag, octstr_imm("base64")) == 0)
    octstr_append_cstr(wap_content, "Content-transfer-encoding: base64");

    add_delimiter(&wap_content);
}

static void add_connection_header(List **push_headers, Octstr *connection)
{
    if (!connection)
        return;

    if (octstr_compare(connection, octstr_imm("close")) == 0)
        http_header_add(*push_headers, "Connection", "close");
    else if (octstr_compare(connection, octstr_imm("keep-alive")) == 0) 
        http_header_add(*push_headers, "Connection", "keep-alive");
}

static void transfer_encode (Octstr *cte, Octstr *content)
{
    if (!cte)
    return;
    
    if (octstr_compare(cte, octstr_imm("base64")) == 0) {
       octstr_binary_to_base64(content);
    }
}


/*
 * Add boundary value to the multipart header.
 */
static Octstr *make_multipart_value(const char *boundary)
{
    Octstr *hos;
    
    hos = octstr_format("%s", "multipart/related; boundary=");
    octstr_append(hos, octstr_imm(boundary));
    octstr_append(hos, octstr_imm("; type=\"application/xml\""));
    
    return hos;
}

static Octstr *make_part_delimiter(Octstr *boundary)
{
    Octstr *part_delimiter;

    part_delimiter = octstr_create("");
    add_delimiter(&part_delimiter);
    octstr_format_append(part_delimiter, "%s", "--");
    octstr_append(part_delimiter, boundary);
    add_delimiter(&part_delimiter);
    
    return part_delimiter;
}

static Octstr *make_close_delimiter(Octstr *boundary)
{
    Octstr *close_delimiter;

    close_delimiter = octstr_create("");
    add_delimiter(&close_delimiter);
    octstr_format_append(close_delimiter, "%s", "--");
    octstr_append(close_delimiter, boundary);
    octstr_format_append(close_delimiter, "%s", "--");
    /*add_delimiter(&close_delimiter);*/

    return close_delimiter;
}

static List *push_headers_create(size_t content_len)
{
    List *push_headers;
    Octstr *mos;

    mos = NULL;
    push_headers = http_create_empty_headers();
    if (use_hardcoded)
        http_header_add(push_headers, "Content-Type", "multipart/related;" 
                        " boundary=asdlfkjiurwgasf; type=\"application/xml\"");
    else
        http_header_add(push_headers, "Content-Type", 
                        octstr_get_cstr(mos = make_multipart_value(boundary)));
    if (use_headers)
        http_add_basic_auth(push_headers, username, password);
    add_connection_header(&push_headers, connection);
    if (use_dlr_mask)
        add_dlr_mask(&push_headers, dlr_mask);
    if (use_dlr_url)
        add_dlr_url(&push_headers, dlr_url);

    octstr_destroy(mos);

    /* add initiator... */
    if (initiator_uri)
    http_header_add(push_headers, "X-Wap-Initiator-URI",
            octstr_get_cstr(initiator_uri));

    return push_headers;
}

static Octstr *push_content_create(void)
{
    Octstr *push_content, 
           *wap_content;
    Octstr *wap_file_content,
           *pap_content,
           *pap_file_content,
           *bpos,
           *bcos;

    wap_content = NULL;
    push_content = NULL;
    if (use_hardcoded) {
        push_content = octstr_create("\r\n\r\n"
                  "--asdlfkjiurwgasf\r\n"
                  "Content-Type: application/xml\r\n\r\n"
                  "<?xml version=\"1.0\"?>"
                  "<!DOCTYPE pap PUBLIC \"-//WAPFORUM//DTD PAP//EN\""
                             " \"http://www.wapforum.org/DTD/pap_1.0.dtd\">"
                  "<pap>"
                        "<push-message push-id=\"9fjeo39jf084@pi.com\""
                          " deliver-before-timestamp=\"2002-11-01T06:45:00Z\""
                          " deliver-after-timestamp=\"2000-02-27T06:45:00Z\""
                          " progress-notes-requested=\"false\">"
                 "<address address-value=\"WAPPUSH=+358408676001/"
                "TYPE=PLMN@ppg.carrier.com\">"
                             "</address>"
                             "<quality-of-service"
                               " priority=\"low\""
                               " delivery-method=\"unconfirmed\""
                               " network-required=\"true\""
                               " network=\"GSM\""
                               " bearer-required=\"true\""
                               " bearer=\"SMS\">"
                             "</quality-of-service>"
                        "</push-message>"
                  "</pap>\r\n\r\n"         
                  "--asdlfkjiurwgasf\r\n"
                  "Content-Type: text/vnd.wap.si\r\n\r\n"
                  "<?xml version=\"1.0\"?>"
                  "<!DOCTYPE si PUBLIC \"-//WAPFORUM//DTD SI 1.0//EN\" "
                    " \"http://www.wapforum.org/DTD/si.dtd\">"
                  "<si>"
                      "<indication href=\"http://wap.iobox.fi\""
                          " si-id=\"1@wiral.com\""
                          " action=\"signal-high\""
                          " created=\"1999-06-25T15:23:15Z\""
                          " si-expires=\"2002-12-30T00:00:00Z\">"
                          "Want to test a fetch?"
                      "</indication>"
                   "</si>\r\n\r\n"
                 "--asdlfkjiurwgasf--\r\n\r\n"
                 "");
    } else {
        add_push_application_id(appid_flag, &wap_content, use_string);
        add_content_type(content_flag, &wap_content);
        add_content_transfer_encoding_type(content_transfer_encoding, 
                                           wap_content);
        add_part_header(content_header, &wap_content);

        /* Read the content file. (To be pushed)*/
        if ((wap_file_content = 
                octstr_read_file(octstr_get_cstr(content_file))) == NULL)
             panic(0, "Stopping");
        if (accept_binary) {
            octstr_delete_matching(wap_file_content, octstr_imm(" "));
            octstr_delete_matching(wap_file_content, octstr_imm("\n"));
            octstr_delete_matching(wap_file_content, octstr_imm("\r"));
            if (!octstr_is_all_hex(wap_file_content))
                panic(0, "non-hex chars in the content file, cannot continue");
            octstr_hex_to_binary(wap_file_content);            
        }

    transfer_encode(content_transfer_encoding, wap_file_content);
        octstr_append(wap_content, wap_file_content);
        octstr_destroy(wap_file_content);

        /* Read the control file. (To control pushing)*/
        pap_content = octstr_format("%s", "Content-Type: application/xml");
        add_delimiter(&pap_content);
        add_delimiter(&pap_content);
        if ((pap_file_content = 
                octstr_read_file(octstr_get_cstr(pap_file))) ==  NULL)
            panic(0, "Stopping");
        
        octstr_append(pap_content, pap_file_content);
        octstr_destroy(pap_file_content);

        if (wap_content == NULL || pap_content == NULL)
            panic(0, "Cannot open the push content files");

        push_content = octstr_create("");
        if (add_preamble)
            octstr_append(push_content, octstr_imm("the parser should discard this"));
        octstr_append(push_content, 
            bpos = make_part_delimiter(octstr_imm(boundary)));
        /*octstr_append(push_content, octstr_imm("\r\n"));*/ /* Do we accept an additional 
                                                          * clrf ? */
        octstr_append(push_content, pap_content);
        octstr_append(push_content, bpos);
        octstr_destroy(bpos);
        octstr_append(push_content, wap_content);
        octstr_append(push_content, 
            bcos = make_close_delimiter(octstr_imm(boundary)));
        if (add_epilogue) {
            octstr_append(push_content, octstr_imm("\r\n"));
            octstr_append(push_content, octstr_imm("the parser should discard this"));
        }
        octstr_destroy(bcos);
        octstr_destroy(pap_content);
        octstr_destroy(wap_content);
    }

    return push_content;
}

static void make_url(Octstr **url)
{
    if (use_config && !use_headers) {
        octstr_append(*url, octstr_imm("?username="));
        octstr_append(*url, username ? username : octstr_imm("default"));
        octstr_append(*url, octstr_imm("&password="));
        octstr_append(*url, password ? password: octstr_imm("default"));
    }
}

static void start_push(HTTPCaller *caller, long i)   
{
    List *push_headers;
    Octstr *push_content;
    long *id;
    
    push_content = push_content_create();
    push_headers = push_headers_create(octstr_len(push_content));
    if (verbose) {
       debug("test.ppg", 0, "we have push content");
       octstr_dump(push_content, 0);
       debug("test.ppg", 0, "and headers");
       http_header_dump(push_headers);
    }

    id = gw_malloc(sizeof(long));
    *id = i;
    make_url(&push_url);
    debug("test.ppg", 0, "TEST_PPG: starting to push job %ld", i);
    http_start_request(caller, HTTP_METHOD_POST, push_url, push_headers, 
                       push_content, 0, id, ssl_client_certkey_file);
    debug("test.ppg", 0, "push done");
    octstr_destroy(push_content);
    http_destroy_headers(push_headers);
}

/*
 * Try log in defined number of times, when got response 401 and authentica-
 * tion info is in headers.
 */
static int receive_push_reply(HTTPCaller *caller)
{
    void *id;
    long *trid;
    int http_status,
        tries;
    List *reply_headers;
    Octstr *final_url,
           *auth_url,
           *reply_body,
           *os,
           *push_content,
           *auth_reply_body;
    WAPEvent *e;
    List *retry_headers;
    
    http_status = HTTP_UNAUTHORIZED;
    tries = 0;

    id = http_receive_result(caller, &http_status, &final_url, &reply_headers,
                             &reply_body);

    if (id == NULL || http_status == -1 || final_url == NULL) {
        error(0, "push failed, no reason found");
        goto push_failed;
    }

    while (use_headers && http_status == HTTP_UNAUTHORIZED && tries < retries) {
        debug("test.ppg", 0, "try number %d", tries);
        debug("test.ppg", 0, "authentication failure, get a challenge");
        http_destroy_headers(reply_headers);
        push_content = push_content_create();
        retry_headers = push_headers_create(octstr_len(push_content));
        http_add_basic_auth(retry_headers, username, password);
        trid = gw_malloc(sizeof(long));
        *trid = tries;
        http_start_request(caller, HTTP_METHOD_POST, final_url, retry_headers, 
                           push_content, 0, trid, NULL);
        debug("test.ppg ", 0, "TEST_PPG: doing response to %s", 
              octstr_get_cstr(final_url));

        octstr_destroy(push_content);
        http_destroy_headers(retry_headers);
        
        trid = http_receive_result(caller, &http_status, &auth_url, 
                                   &reply_headers, &auth_reply_body);

        if (trid == NULL || http_status == -1 || auth_url == NULL) {
            error(0, "unable to send authorisation, no reason found");
            goto push_failed;
        }   

        debug("test.ppg", 0, "TEST_PPG: send authentication to %s, retry %ld", 
               octstr_get_cstr(auth_url), *(long *) trid);
        gw_free(trid);
        octstr_destroy(auth_reply_body);
        octstr_destroy(auth_url);
        ++tries;
    }

    if (http_status == HTTP_NOT_FOUND) {
        error(0, "push failed, service not found");
        goto push_failed;
    }

    if (http_status == HTTP_FORBIDDEN) {
        error(0, "push failed, service forbidden");
        goto push_failed;
    }

    if (http_status == HTTP_UNAUTHORIZED) {
        if (use_headers)
            error(0, "tried %ld times, stopping", retries);
        else
            error(0, "push failed, authorisation failure");
        goto push_failed;
    }
        
    debug("test.ppg", 0, "TEST_PPG: push %ld done: reply from,  %s", 
          *(long *) id, octstr_get_cstr(final_url));
    gw_free(id);
    octstr_destroy(final_url);

    if (verbose)
        debug("test.ppg", 0, "TEST_PPG: reply headers were");

    while ((os = gwlist_extract_first(reply_headers)) != NULL) {
        if (verbose)
            octstr_dump(os, 0); 
        octstr_destroy(os);
    }

    if (verbose) {
        debug("test.ppg", 0, "TEST_PPG: reply body was");
        octstr_dump(reply_body, 0);
    }

    e = NULL;
    if (pap_compile(reply_body, &e) < 0) {
        warning(0, "TEST_PPG: receive_push_reply: cannot compile pap message");
        goto parse_error;
    }

    switch (e->type) {
        case Push_Response:
            debug("test.ppg", 0, "TEST_PPG: and type push response");
        break;

        case Bad_Message_Response:
            debug("test.ppg", 0, "TEST_PPG: and type bad message response");
        break;

        default:
            warning(0, "TEST_PPG: unknown event received from %s", 
                    octstr_get_cstr(final_url));
        break;
    }

    octstr_destroy(reply_body);
    wap_event_destroy(e);
    http_destroy_headers(reply_headers);
    return 0;

push_failed:
    gw_free(id);
    octstr_destroy(final_url);
    octstr_destroy(reply_body);
    http_destroy_headers(reply_headers);
    return -1;

parse_error:
    octstr_destroy(reply_body);
    http_destroy_headers(reply_headers);
    wap_event_destroy(e);
    return -1;
}

static void push_thread(void *arg)
{
    HTTPCaller *caller;
    long succeeded, failed, in_queue;
    unsigned long i;

    caller = arg;
    succeeded = 0;
    failed = 0;   
    in_queue = 0;
    i = 0;

    for (;;) {
        while (in_queue < MAX_IN_QUEUE) {
            i = counter_increase(counter);
            if (i >= max_pushes)
                goto receive_rest;
            start_push(caller, i);
            if (wait_seconds > 0)
                gwthread_sleep(wait_seconds);
            ++in_queue;
        }

        while (in_queue >= MAX_IN_QUEUE) {
            if (receive_push_reply(caller) == -1)
                ++failed;
            else
                ++succeeded;
            --in_queue;
        }
    }

receive_rest:
    while (in_queue > 0) {
        if (receive_push_reply(caller) == -1)
            ++failed;
        else
            ++succeeded;
        --in_queue;
    }

    http_caller_destroy(caller);
    info(0, "TEST_PPG: In thread %ld %ld succeeded, %ld failed", 
         (long) gwthread_self(), succeeded, failed);
}

static void help(void) 
{
    info(0, "Usage: test_ppg [options] push_url [content_file pap_file]");
    info(0, "      or");
    info(0, "Usage: test_ppg [options] [conf_file]");
    info(0, "Implements push initiator for wap push. Push services are ");
    info(0, "located in push_url, push content in the file content file.");
    info(0, "File pap_file contains pap control document that controls");
    info(0, "pushing");
    info(0, "If option -H is not used, command line has either three or one");
    info(0, "arguments:");
    info(0, "      a) the url of the push proxy gateway");
    info(0, "      b) a file containing the content to be pushed");
    info(0, "      c) a pap document controlling pushing");
    info(0, "     or");
    info(0, "      a) a test configuration file, containing all these");
    info(0, "Option -H cannot be used with a configuration file. If it is");
    info(0, "used, the push url is the only argument.");
    info(0, "Options are:");
    info(0, "-h");
    info(0, "print this info");
    info(0, "-c content qualifier");
    info(0, "Define content type of the push content. Wml, multipart, nil,"); 
    info(0, "scrap, sl, and si accepted. Si is default, nil (no content"); 
    info(0, " type at all) and scrap (random string) are used for debugging");
    info(0, "-a application id");
    info(0, "Define the client application that will handle the push. Any,"); 
    info(0, "ua, mms, nil and scrap accepted, default ua.");
    info(0, "-n");
    info(0, "if set, use numeric appid values instead of string ones. For");
    info(0, "instance, '4' instead of 'mms.ua'. Default is off.");
    info(0, "-s string");
    info(0, "supply a message header as a plain string. For instance"); 
    info(0, "-s x-wap-application-id:mms.ua equals -a ua. Default is");
    info(0, "x-wap-application-id:mms.ua.");
    info(0, "-I string");
    info(0, "supply an initiator header as a plain string. For instance"); 
    info(0, "-I x-wap-application-id:http://foo.bar equals -I http://foo.bar");
    info(0, "-S string");
    info(0, "supply an additional part header (for push content) as a string."); 
    info(0, "For instance, -S Content-Language: en. Default no additional part");
    info(0, "headers.");
    info(0, "-b");
    info(0, "If true, send username/password in headers. Default false");
    info(0, "-v number");
    info(0, "    Set log level for stderr logging. Default 0 (debug)");
    info(0, "-q");
    info(0, "    Do not print debugging information");
    info(0, "Default: print it");
    info(0, "-r number");
    info(0, "    Make `number' requests. Default one request");
    info(0, "-i seconds");
    info(0, "    Wait 'seconds' seconds between pushes. Default: do not wait");
    info(0, "-e transfer encoding");
    info(0, "    use transfer encoding to send push contents.");
    info(0, "    Currently supported is base64.");
    info(0, "-k connection header");
    info(0, "Use the connection header. Keep-alive and close accepted,");
    info(0, "default close");
    info(0, "-H");
    info(0, "Use hardcoded MIME message, containing a pap control document.");
    info(0, "In addition, use hardcoded username/password in headers (if ");
    info(0, "flag -b is set, too");
    info(0, "Default: read components from files");
    info(0, "-t");
    info(0, "number of threads, maximum 1024, default 1");
    info(0, "-B");
    info(0, "accept binary push content. Default: off.");
    info(0, "Binary content consist of hex numbers. In addition, crs, lfs and");
    info(0, "spaces are accepted, and ignored.");
    info(0, "-d value");
    info(0, "set delimiter to be used. Accepted values crlf and lf. Default crlf.");
    info(0, "-E");
    info(0, "If set, add a hardcoded epilogue (epilogue is to be discarded anyway).");
    info(0, "Default off.");
    info(0, "-p");
    info(0, "If set, add hardcoded preamble. Default is off.");
    info(0, "-m value");
    info(0, "If set, add push header X-Kannel-DLR-Mask: value");
    info(0, "Default off.");
    info(0, "-u value");
    info(0, "If set, add push header X-Kannel-DLR-Url: value");
    info(0, "Default off.");
}

int main(int argc, char **argv)
{
    int opt,
        num_threads;
    time_t start,
           end;
    double run_time;
    long threads[MAX_THREADS];
    long i;
    Octstr *fos;

    gwlib_init();
    num_threads = 1;

    while ((opt = getopt(argc, argv, "HhBbnEpv:qr:t:c:a:i:e:k:d:s:S:I:m:u:")) != EOF) {
        switch(opt) {
        case 'v':
            log_set_output_level(atoi(optarg));
        break;

        case 'q': 
            verbose = 0;
        break;  

        case 'r':
            max_pushes = atoi(optarg);      
        break; 
            
        case 'i': 
                wait_seconds = atof(optarg);
        break;

            case 't': 
            num_threads = atoi(optarg);
                if (num_threads > MAX_THREADS)
            num_threads = MAX_THREADS;
        break;

        case 'H': 
            use_hardcoded = 1;
        break;

        case 'c':
            content_flag = octstr_create(optarg);
            if (octstr_compare(content_flag, octstr_imm("wml")) != 0 && 
                    octstr_compare(content_flag, octstr_imm("si")) != 0 &&
                    octstr_compare(content_flag, octstr_imm("sl")) != 0 &&
                    octstr_compare(content_flag, octstr_imm("nil")) != 0 &&
                    octstr_compare(content_flag, octstr_imm("mms")) != 0 &&
                    octstr_compare(content_flag, octstr_imm("scrap")) != 0 &&
                    octstr_compare(content_flag, octstr_imm("multipart")) != 0) {
                octstr_destroy(content_flag);
                error(0, "TEST_PPG: Content type not known");
                help();
                         exit(1);
            }
        break;

        case 'a':
            appid_flag = octstr_create(optarg);
                if (octstr_compare(appid_flag, octstr_imm("any")) != 0 && 
                        octstr_compare(appid_flag, octstr_imm("ua")) != 0 &&
                        octstr_compare(appid_flag, octstr_imm("mms")) != 0 &&
                        octstr_compare(appid_flag, octstr_imm("nil")) != 0 &&
                        octstr_compare(appid_flag, octstr_imm("scrap")) != 0) {
        octstr_destroy(appid_flag);
        error(0, "TEST_PPG: Push application id not known");
        help();
                exit(1);
           }
        break;

            case 'n':
                use_numeric = 1;
            break;

            case 's':
                appid_string = octstr_create(optarg);
                use_string = 1;
            break;

            case 'S':
                content_header = octstr_create(optarg);
                use_content_header = 1;
            break;

        case 'e':
        content_transfer_encoding = octstr_create(optarg);
                if (octstr_compare(content_transfer_encoding, octstr_imm("base64")) != 0) {
                octstr_destroy(content_transfer_encoding);
            error(0, "TEST_PPG: unknown content transfer" 
                      " encoding \"%s\"", octstr_get_cstr(content_transfer_encoding));
            help();
                    exit(1);
        }
        break;

        case 'k':
            connection = octstr_create(optarg);
                if (octstr_compare(connection, octstr_imm("close")) != 0 && 
                        octstr_compare(connection, octstr_imm("keep-alive")) != 0) {
                octstr_destroy(connection);
            error(0, "TEST_PPG: Connection-header unacceptable");
            help();
                    exit(1);
                }
        break;

        case 'h':
            help();
            exit(1);

        case 'b':
            use_headers = 1;
        break;

            case 'B':
                accept_binary = 1;
            break;

            case 'd':
                delimiter = octstr_create(optarg);
                if (octstr_compare(delimiter, octstr_imm("crlf")) != 0 &&
                        octstr_compare(delimiter, octstr_imm("lf")) != 0) {
                    octstr_destroy(delimiter);
                    error(0, "illegal d value");
                    help();
                    exit(1);
                }
            break;

            case 'E':
                add_epilogue = 1;
            break;

            case 'p':
                add_preamble = 1;
            break;

            case 'I':
                initiator_uri = octstr_create(optarg);
        break;

            case 'm':
                use_dlr_mask = 1;
                dlr_mask = octstr_create(optarg);
            break;

            case 'u':
                use_dlr_url = 1;
                dlr_url = octstr_create(optarg);
            break;

    case '?':
        default:
            error(0, "TEST_PPG: Invalid option %c", opt);
            help();
            error(0, "Stopping");
            exit(1);
        }
    }

    if (optind == argc) {
        help();
        exit(1);
    }
    
    push_data = argv + optind;
    num_urls = argc - optind;

    if (content_flag == NULL)
        content_flag = octstr_imm("si");

    if (appid_flag == NULL)
        appid_flag = octstr_imm("ua");

    if (appid_string == NULL)
        appid_string = octstr_imm("x-wap-application-id: wml.ua");

    if (content_header == NULL)
        use_content_header = 0;

    if (dlr_mask == NULL)
        use_dlr_mask = 0;

    if (dlr_url == NULL)
        use_dlr_url = 0;

    if (delimiter == NULL)
        delimiter = octstr_imm("crlf");

    if (use_hardcoded) {
        username = octstr_imm("troo");
        password = octstr_imm("far");
    }

    if (push_data[0] == NULL) {
        error(0, "No ppg address or config file, stopping");
        exit(1);
    }
           
    use_config = 0;
    if (!use_hardcoded) {
        if (push_data[1] == NULL) {
            info(0, "a configuration file input assumed");
            read_test_ppg_config(fos = octstr_format("%s", push_data[0]));
            octstr_destroy(fos);
            use_config = 1;
        }
    }

    if (!use_config)
        push_url = octstr_format("%s", push_data[0]);

    if (!use_hardcoded && !use_config && push_data[1] != NULL) {
        if (push_data[2] == NULL) {
            error(0, "no pap control document, stopping");
            exit(1);
        } else {
           info(0, "an input without a configuration file assumed");
           content_file = octstr_create(push_data[1]);
           pap_file = octstr_create(push_data[2]);
           debug("test.ppg", 0, "using %s as a content file", push_data[1]);
           debug("test.ppg", 0, "using %s as a control file", push_data[2]);
        }
    }

    boundary = "asdlfkjiurwghasf";
    counter = counter_create();

    time(&start);
    if (num_threads == 0)
        push_thread(http_caller_create());
    else {
        for (i = 0; i < num_threads; ++i)
            threads[i] = gwthread_create(push_thread, http_caller_create());
        for (i = 0; i < num_threads; ++i)
            gwthread_join(threads[i]);
    }
    time(&end);
    run_time = difftime(end, start);
    info(0, "TEST_PPG: %ld requests in %f seconds, %f requests per second",
         max_pushes, run_time, max_pushes / run_time);

    octstr_destroy(content_flag);
    octstr_destroy(appid_flag);
    octstr_destroy(content_header);
    octstr_destroy(content_file);
    octstr_destroy(pap_file);
    octstr_destroy(ssl_client_certkey_file);
    octstr_destroy(username);
    octstr_destroy(password);
    octstr_destroy(push_url);
    octstr_destroy(connection);
    octstr_destroy(delimiter);
    octstr_destroy(dlr_mask);
    octstr_destroy(dlr_url);
    counter_destroy(counter);
    gwlib_shutdown();

    exit(0);
}