Function ospGetNpParam

modules/osp/sipheader.c:1626–1699

* Get number portability parameter from Request-Line * param msg SIP message * param rn Routing number * param rnbufsize Size of rn buffer * param cic Carrier identification code * param cicbufsize Size of cic buffer * param npdi NP database dip indicator * return 0 success, 1 not use NP or without NP parameters, -1 failure */

 * return 0 success, 1 not use NP or without NP parameters, -1 failure
 */
int ospGetNpParam(
    struct sip_msg* msg,
    char* rn,
    int rnbufsize,
    char* cic,
    int cicbufsize,
    int* npdi)
{
    str sv;
    param_hooks_t phooks;
    param_t* params = NULL;
    param_t* pit;
    int result = -1;

    if (((rn != NULL) && (rnbufsize > 0)) && ((cic != NULL) && (cicbufsize > 0)) && (npdi != NULL)) {
        rn[0] = '\0';
        cic[0] = '\0';
        *npdi = 0;

        if (_osp_use_np != 0) {
            if (parse_sip_msg_uri(msg) >= 0) {
                switch (msg->parsed_uri.type) {
                case TEL_URI_T:
                case TELS_URI_T:
                    sv = msg->parsed_uri.params;
                    break;
                case ERROR_URI_T:
                case SIP_URI_T:
                case SIPS_URI_T:
                default:
                    sv = msg->parsed_uri.user;
                    break;
                }
                if (parse_params(&sv, CLASS_ANY, &phooks, &params) == 0) {
                    for (pit = params; pit; pit = pit->next) {
                        if ((pit->name.len == OSP_RN_SIZE) &&
                            (strncasecmp(pit->name.s, OSP_RN_NAME, OSP_RN_SIZE) == 0) &&
                            (rn[0] == '\0'))
                        {
                            ospCopyStrToBuffer(&pit->body, rn, rnbufsize);
                        } else if ((pit->name.len == OSP_CIC_SIZE) &&
                            (strncasecmp(pit->name.s, OSP_CIC_NAME, OSP_CIC_SIZE) == 0) &&
                            (cic[0] == '\0'))
                        {
                            ospCopyStrToBuffer(&pit->body, cic, cicbufsize);
                        } else if ((pit->name.len == OSP_NPDI_SIZE) &&
                            (strncasecmp(pit->name.s, OSP_NPDI_NAME, OSP_NPDI_SIZE) == 0))
                        {
                            *npdi = 1;
                        }
                    }
                    if (params != NULL) {
                        free_params(params);
                    }
                }
                if ((rn[0] != '\0') || (cic[0] != '\0') || (*npdi != 0)) {
                    result = 0;
                } else {