ota_prov.c

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/*
 * ota_prov.c: OTA settings and bookmarks provisioning routines
 *
 * This module contains routines for the SMS OTA (auto configuration) message 
 * creation and manipulation for the sendota HTTP interface.
 *
 * Official Nokia and Ericsson WAP OTA configuration settings coded 
 * by Stipe Tolj <[e-mail]>, Wapme Systems AG.
 * 
 * XML compiler by Aarno Syv鋘en <[e-mail]>, Wiral Ltd.
 */

#include <string.h>

#include "gwlib/gwlib.h"

#include "msg.h"
#include "sms.h"
#include "ota_prov.h"
#include "ota_prov_attr.h"
#include "ota_compiler.h"


/***************************************************************************
 *
 * Implementation of the internal function
 */

/*
 * Append the User Data Header (UDH) including the lenght (UDHL). Only ports 
 * UDH here - SAR UDH is added when (or if) we split the message. This is our
 * *specific* WDP layer.
 */
static void ota_pack_udh(Msg **msg)
{
    (*msg)->sms.udhdata = octstr_create("");
    octstr_append_from_hex((*msg)->sms.udhdata, "060504C34FC002");
}


/*
 * Our WSP headers: Push Id, PDU type, headers, charset.
 */
static int ota_pack_push_headers(Msg **msg, Octstr *mime_type)
{    
    (*msg)->sms.msgdata = octstr_create("");
    if (octstr_case_compare(mime_type, octstr_imm("settings")) == 0) {
        /* PUSH ID, PDU type, header length, value length */
        octstr_append_from_hex((*msg)->sms.msgdata, "01062C1F2A");
        /* MIME type for settings */
        octstr_format_append((*msg)->sms.msgdata, "%s", 
                             "application/x-wap-prov.browser-settings");
        octstr_append_from_hex((*msg)->sms.msgdata, "00");
    } else if (octstr_case_compare(mime_type, octstr_imm("bookmarks")) == 0) {
        /* PUSH ID, PDU type, header length, value length */
        octstr_append_from_hex((*msg)->sms.msgdata, "01062D1F2B");
        /* MIME type for bookmarks */
        octstr_format_append((*msg)->sms.msgdata, "%s", 
                             "application/x-wap-prov.browser-bookmarks");
        octstr_append_from_hex((*msg)->sms.msgdata, "00");
    } else {
        warning(0, "Unknown MIME type in OTA request, type '%s' is unsupported.", 
                octstr_get_cstr(mime_type));
        return 0;
    }
    /* charset UTF-8 */
    octstr_append_from_hex((*msg)->sms.msgdata, "81EA");

    return 1;
}


/***************************************************************************
 *
 * Implementation of the external function
 */

int ota_pack_message(Msg **msg, Octstr *ota_doc, Octstr *doc_type, 
                     Octstr *from, Octstr *phone_number)
{
    Octstr *ota_binary;

    *msg = msg_create(sms);
    (*msg)->sms.sms_type = mt_push;
    ota_pack_udh(msg);
    if (!ota_pack_push_headers(msg, doc_type))
        goto herror;
    if (ota_compile(ota_doc, octstr_imm("UTF-8"), &ota_binary) == -1)
        goto cerror;
    octstr_format_append((*msg)->sms.msgdata, "%S", ota_binary);
    (*msg)->sms.sender = octstr_duplicate(from);
    (*msg)->sms.receiver = octstr_duplicate(phone_number);
    (*msg)->sms.coding = DC_8BIT;
    (*msg)->sms.time = time(NULL);

    octstr_dump((*msg)->sms.msgdata, 0);
    info(0, "/cgi-bin/sendota: XML request for target <%s>", octstr_get_cstr(phone_number));

    octstr_destroy(ota_binary);
    octstr_destroy(ota_doc);
    octstr_destroy(doc_type);
    octstr_destroy(from);
    return 0;

herror:
    octstr_destroy(ota_doc);
    octstr_destroy(doc_type);
    octstr_destroy(from);
    return -2;

cerror:
    octstr_destroy(ota_doc);
    octstr_destroy(doc_type);
    octstr_destroy(from);
    return -1;
}


Msg *ota_tokenize_settings(CfgGroup *grp, Octstr *from, Octstr *receiver)
{
    Octstr *url, *desc, *ipaddr, *phonenum, *username, *passwd;
    int speed, bearer, calltype, connection, security, authent;
    Msg *msg;
    Octstr *p;
    
    url = NULL;
    desc = NULL;
    ipaddr = NULL;
    phonenum = NULL;
    username = NULL;
    passwd = NULL;
    bearer = -1;
    calltype = -1;
    connection = WBXML_TOK_VALUE_PORT_9201;
    security = 0;
    authent = WBXML_TOK_VALUE_AUTH_PAP;

    url = cfg_get(grp, octstr_imm("location"));
    desc = cfg_get(grp, octstr_imm("service"));
    ipaddr = cfg_get(grp, octstr_imm("ipaddress"));
    phonenum = cfg_get(grp, octstr_imm("phonenumber"));
    p = cfg_get(grp, octstr_imm("bearer"));
    if (p != NULL) {
        if (strcasecmp(octstr_get_cstr(p), "data") == 0)
            bearer = WBXML_TOK_VALUE_GSM_CSD;
        else
            bearer = -1;
        octstr_destroy(p);
    }
    p = cfg_get(grp, octstr_imm("calltype"));
    if (p != NULL) {
        if (strcasecmp(octstr_get_cstr(p), "calltype") == 0)
            calltype = WBXML_TOK_VALUE_CONN_ISDN;
        else
            calltype = -1;
        octstr_destroy(p);
    }
	
    speed = WBXML_TOK_VALUE_SPEED_9600;
    p = cfg_get(grp, octstr_imm("speed"));
    if (p != NULL) {
        if (octstr_compare(p, octstr_imm("14400")) == 0)
            speed = WBXML_TOK_VALUE_SPEED_14400;
        octstr_destroy(p);
    }

    /* connection mode: UDP (port 9200) or TCP (port 9201)*/
    p = cfg_get(grp, octstr_imm("connection"));
    if (p != NULL) {
        if (strcasecmp(octstr_get_cstr(p), "temp") == 0)
            connection = WBXML_TOK_VALUE_PORT_9200;
        else
            connection = WBXML_TOK_VALUE_PORT_9201;
        octstr_destroy(p);
    }

    /* dial in security: CHAP or PAP */
    p = cfg_get(grp, octstr_imm("pppsecurity"));
    if (p != NULL) {
        if (strcasecmp(octstr_get_cstr(p), "on") == 0)
            authent = WBXML_TOK_VALUE_AUTH_CHAP;
        else
            authent = WBXML_TOK_VALUE_AUTH_PAP;
        octstr_destroy(p);
    }
    
    /* WTLS: for UDP (port 9202) or TCP (port 9203) */
    p = cfg_get(grp, octstr_imm("authentication"));
    if (p != NULL) {
        if (strcasecmp(octstr_get_cstr(p), "secure") == 0)
            security = 1;
        else
            security = WBXML_TOK_VALUE_PORT_9201;
        octstr_destroy(p);
    }
    if (security == 1)
        connection = (connection == WBXML_TOK_VALUE_PORT_9201)? 
            WBXML_TOK_VALUE_PORT_9203 : WBXML_TOK_VALUE_PORT_9202;
    
    username = cfg_get(grp, octstr_imm("login"));
    passwd = cfg_get(grp, octstr_imm("secret"));
    
    msg = msg_create(sms);

    /*
     * Append the User Data Header (UDH) including the lenght (UDHL)
     * WDP layer (start WDP headers)
     */
    
    msg->sms.sms_type = mt_push;
    msg->sms.udhdata = octstr_create("");

    /* 
     * Within OTA spec this is "0B0504C34FC0020003040201", but it works
     * with the following too?!
     */
    octstr_append_from_hex(msg->sms.udhdata, "060504C34FC002");
    /* WDP layer (end WDP headers) */         

    /*
     * WSP layer (start WSP headers)
     */
    
    msg->sms.msgdata = octstr_create("");
    /* PUSH ID, PDU type, header length, value length */
    octstr_append_from_hex(msg->sms.msgdata, "01062C1F2A");
    /* MIME-type: application/x-wap-prov.browser-settings */
    octstr_format_append(msg->sms.msgdata, "%s", 
                         "application/x-wap-prov.browser-settings");
    octstr_append_from_hex(msg->sms.msgdata, "00");
    /* charset UTF-8 */
    octstr_append_from_hex(msg->sms.msgdata, "81EA");
    /* WSP layer (end WSP headers) */

    /*
     * WSP layer (start WSP data field)
     */

    /* WBXML version 1.1 */
    octstr_append_from_hex(msg->sms.msgdata, "0101");
    /* charset UTF-8 */
    octstr_append_from_hex(msg->sms.msgdata, "6A00");

    /* CHARACTERISTIC_LIST */
    octstr_append_from_hex(msg->sms.msgdata, "45");
    /* CHARACTERISTIC with content and attributes */
    octstr_append_from_hex(msg->sms.msgdata, "C6");
    /* TYPE=ADDRESS */
    octstr_append_char(msg->sms.msgdata, WBXML_TOK_TYPE_ADDRESS);
    octstr_append_char(msg->sms.msgdata, WBXML_TOK_END);