Function ospAppendHeader

modules/osp/sipheader.c:985–1023

* Append header to SIP message * param msg SIP message * param header Header to be appended * return 0 success, -1 failure */

 * return 0 success, -1 failure
 */
static int ospAppendHeader(
    struct sip_msg* msg,
    str* header)
{
    char* s;
    struct lump* anchor;

    if((msg == 0) || (header == 0) || (header->s == 0) || (header->len <= 0)) {
        LM_ERR("bad parameters for appending header\n");
        return -1;
    }

    if (parse_headers(msg, HDR_EOH_F, 0) == -1) {
        LM_ERR("failed to parse message\n");
        return -1;
    }

    anchor = anchor_lump(msg, msg->unparsed - msg->buf, 0);
    if (anchor == 0) {
        LM_ERR("failed to get anchor\n");
        return -1;
    }

    s = (char*)pkg_malloc(header->len);
    if (s == 0) {
        LM_ERR("no pkg memory\n");
        return -1;
    }

    memcpy(s, header->s, header->len);

    if (insert_new_lump_before(anchor, s, header->len, 0) == 0) {
        LM_ERR("failed to insert lump\n");
        pkg_free(s);
        return -1;
    }

    return 0;
}

/*
 * Add OSP token header to SIP message