icecast-server/src/cfgfile.c

/* Icecast
 *
 * This program is distributed under the GNU General Public License, version 2.
 * A copy of this license is included with this source.
 *
 * Copyright 2000-2004, Jack Moffitt <jack@xiph.org,
 *                      Michael Smith <msmith@xiph.org>,
 *                      oddsock <oddsock@xiph.org>,
 *                      Karl Heyes <karl@xiph.org>
 *                      and others (see AUTHORS for details).
 * Copyright 2011,      Dave 'justdave' Miller <justdave@mozilla.com>.
 * Copyright 2011-2014, Thomas B. "dm8tbr" Ruecker <thomas@ruecker.fi>,
 * Copyright 2011-2014, Philipp "ph3-der-loewe" Schafft <lion@lion.leolix.org>,
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef _WIN32
#include <fnmatch.h>
#endif
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>

#include "common/thread/thread.h"
#include "cfgfile.h"
#include "refbuf.h"
#include "client.h"
#include "logging.h" 
#include "util.h" 
#include "auth.h" 

#define CATMODULE "CONFIG"
#define CONFIG_DEFAULT_LOCATION "Earth"
#define CONFIG_DEFAULT_ADMIN "icemaster@localhost"
#define CONFIG_DEFAULT_CLIENT_LIMIT 256
#define CONFIG_DEFAULT_SOURCE_LIMIT 16
#define CONFIG_DEFAULT_QUEUE_SIZE_LIMIT (500*1024)
#define CONFIG_DEFAULT_BURST_SIZE (64*1024)
#define CONFIG_DEFAULT_THREADPOOL_SIZE 4
#define CONFIG_DEFAULT_CLIENT_TIMEOUT 30
#define CONFIG_DEFAULT_HEADER_TIMEOUT 15
#define CONFIG_DEFAULT_SOURCE_TIMEOUT 10
#define CONFIG_DEFAULT_MASTER_USERNAME "relay"
#define CONFIG_DEFAULT_SHOUTCAST_MOUNT "/stream"
#define CONFIG_DEFAULT_FILESERVE 1
#define CONFIG_DEFAULT_TOUCH_FREQ 5
#define CONFIG_DEFAULT_HOSTNAME "localhost"
#define CONFIG_DEFAULT_PLAYLIST_LOG NULL
#define CONFIG_DEFAULT_ACCESS_LOG "access.log"
#define CONFIG_DEFAULT_ERROR_LOG "error.log"
#define CONFIG_DEFAULT_LOG_LEVEL 3
#define CONFIG_DEFAULT_CHROOT 0
#define CONFIG_DEFAULT_CHUID 0
#define CONFIG_DEFAULT_USER NULL
#define CONFIG_DEFAULT_GROUP NULL
#define CONFIG_MASTER_UPDATE_INTERVAL 120
#define CONFIG_YP_URL_TIMEOUT 10
#define CONFIG_DEFAULT_CIPHER_LIST "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:ECDHE-RSA-DES-CBC3-SHA:ECDHE-ECDSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA"

#ifndef _WIN32
#define CONFIG_DEFAULT_BASE_DIR "/usr/local/icecast"
#define CONFIG_DEFAULT_LOG_DIR "/usr/local/icecast/logs"
#define CONFIG_DEFAULT_WEBROOT_DIR "/usr/local/icecast/webroot"
#define CONFIG_DEFAULT_ADMINROOT_DIR "/usr/local/icecast/admin"
#define CONFIG_DEFAULT_NULL_FILE "/dev/null"
#define MIMETYPESFILE "/etc/mime.types"
#else
#define CONFIG_DEFAULT_BASE_DIR ".\\"
#define CONFIG_DEFAULT_LOG_DIR ".\\logs"
#define CONFIG_DEFAULT_WEBROOT_DIR ".\\webroot"
#define CONFIG_DEFAULT_ADMINROOT_DIR ".\\admin"
#define CONFIG_DEFAULT_NULL_FILE "nul:"
#define MIMETYPESFILE ".\\mime.types"
#endif

static ice_config_t _current_configuration;
static ice_config_locks _locks;

static void _set_defaults(ice_config_t *c);
static void _parse_root(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_limits(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_directory(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_paths(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_logging(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_security(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_authentication(xmlDocPtr doc, xmlNodePtr node, 
        ice_config_t *c, char **source_password);
static void _parse_http_headers(xmlDocPtr doc, xmlNodePtr node,
        ice_config_http_header_t **http_headers);
static void _parse_relay(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_mount(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);
static void _parse_listen_socket(xmlDocPtr doc, xmlNodePtr node, 
        ice_config_t *c);
static void _add_server(xmlDocPtr doc, xmlNodePtr node, ice_config_t *c);

static void merge_mounts(mount_proxy * dst, mount_proxy * src);
static inline void _merge_mounts_all(ice_config_t *c);

static void create_locks(void) {
    thread_mutex_create(&_locks.relay_lock);
    thread_rwlock_create(&_locks.config_lock);
}

static void release_locks(void) {
    thread_mutex_destroy(&_locks.relay_lock);
    thread_rwlock_destroy(&_locks.config_lock);
}

void config_initialize(void) {
    create_locks();
}

void config_shutdown(void) {
    config_get_config();
    config_clear(&_current_configuration);
    config_release_config();
    release_locks();
}

void config_init_configuration(ice_config_t *configuration)
{
    memset(configuration, 0, sizeof(ice_config_t));
    _set_defaults(configuration);
}

static inline int __parse_public(const char *str) {
    /* values that are not bool */
    if (strcasecmp(str, "client") == 0)
        return -1;

    /* old way of doing so */
    if (strcmp(str, "-1") == 0)
        return -1;

    /* ok, only normal bool left! */
    return util_str_to_bool(str);
}

static inline int __parse_loglevel(const char *str) {
    if (strcasecmp(str, "debug") == 0 || strcasecmp(str, "DBUG") == 0)
        return 4;
    if (strcasecmp(str, "information") == 0 || strcasecmp(str, "INFO") == 0)
        return 3;
    if (strcasecmp(str, "warning") == 0 || strcasecmp(str, "WARN") == 0)
        return 2;
    if (strcasecmp(str, "error") == 0 || strcasecmp(str, "EROR") == 0)
        return 1;

    /* gussing it is old-style numerical setting */
    return atoi(str);
}

static void __append_old_style_auth(auth_stack_t **stack, const char *name, const char *type, const char *username, const char *password, const char *method, const char *allow_method, int allow_web, const char *allow_admin) {
    xmlNodePtr role, user, pass;
    auth_t *auth;

    if (!type)
        return;

    role = xmlNewNode(NULL, XMLSTR("role"));

    xmlSetProp(role, XMLSTR("type"), XMLSTR(type));
    xmlSetProp(role, XMLSTR("deny-method"), XMLSTR("*"));
    if (allow_method)
        xmlSetProp(role, XMLSTR("allow-method"), XMLSTR(allow_method));

    if (name)
        xmlSetProp(role, XMLSTR("name"), XMLSTR(name));

    if (method)
        xmlSetProp(role, XMLSTR("method"), XMLSTR(method));

    if (allow_web) {
        xmlSetProp(role, XMLSTR("allow-web"), XMLSTR("*"));
    } else {
        xmlSetProp(role, XMLSTR("deny-web"), XMLSTR("*"));
    }

    if (allow_admin && strcmp(allow_admin, "*") == 0) {
        xmlSetProp(role, XMLSTR("allow-admin"), XMLSTR("*"));
    } else {
        xmlSetProp(role, XMLSTR("deny-admin"), XMLSTR("*"));
        if (allow_admin)
            xmlSetProp(role, XMLSTR("allow-admin"), XMLSTR(allow_admin));
    }

    if (username) {
        user = xmlNewChild(role, NULL, XMLSTR("option"), NULL);
        xmlSetProp(user, XMLSTR("name"), XMLSTR("username"));
        xmlSetProp(user, XMLSTR("value"), XMLSTR(username));
    }
    if (password) {
        pass = xmlNewChild(role, NULL, XMLSTR("option"), NULL);
        xmlSetProp(pass, XMLSTR("name"), XMLSTR("password"));
        xmlSetProp(pass, XMLSTR("value"), XMLSTR(password));
    }

    auth = auth_get_authenticator(role);
    auth_stack_push(stack, auth);
    auth_release(auth);

    xmlFreeNode(role);
}

static void __append_option_tag (xmlNodePtr parent, const char *name, const char *value) {
    xmlNodePtr node;

    if (!name || !value)
        return;

    node = xmlNewChild(parent, NULL, XMLSTR("option"), NULL);
    xmlSetProp(node, XMLSTR("name"), XMLSTR(name));
    xmlSetProp(node, XMLSTR("value"), XMLSTR(value));
}

static void __append_old_style_urlauth(auth_stack_t **stack, const char *client_add, const char *client_remove, const char *action_add, const char *action_remove, const char *username, const char *password, int is_source, const char *auth_header, const char *timelimit_header, const char *headers, const char *header_prefix) {
    xmlNodePtr role;
    auth_t *auth;

    if (!stack || !client_add || !!client_remove)
        return;

    role = xmlNewNode(NULL, XMLSTR("role"));

    xmlSetProp(role, XMLSTR("type"), XMLSTR("url"));

    if (is_source) {
        xmlSetProp(role, XMLSTR("method"), XMLSTR("source,put"));
        xmlSetProp(role, XMLSTR("deny-method"), XMLSTR("*"));
        xmlSetProp(role, XMLSTR("allow-method"), XMLSTR("source,put"));
        xmlSetProp(role, XMLSTR("allow-web"), XMLSTR("*"));
        xmlSetProp(role, XMLSTR("allow-admin"), XMLSTR("*"));
    } else {
        xmlSetProp(role, XMLSTR("method"), XMLSTR("get,post,head"));
        xmlSetProp(role, XMLSTR("deny-method"), XMLSTR("*"));
        xmlSetProp(role, XMLSTR("allow-method"), XMLSTR("get,post,head"));
        xmlSetProp(role, XMLSTR("allow-web"), XMLSTR("*"));
        xmlSetProp(role, XMLSTR("deny-admin"), XMLSTR("*"));
    }

    __append_option_tag(role, "client_add", client_add);
    __append_option_tag(role, "client_remove", client_remove);
    __append_option_tag(role, "action_add", action_add);
    __append_option_tag(role, "action_remove", action_remove);
    __append_option_tag(role, "username", username);
    __append_option_tag(role, "password", password);
    __append_option_tag(role, "auth_header", auth_header);
    __append_option_tag(role, "timelimit_header", timelimit_header);
    __append_option_tag(role, "headers", headers);
    __append_option_tag(role, "header_prefix", header_prefix);

    auth = auth_get_authenticator(role);
    auth_stack_push(stack, auth);
    auth_release(auth);

    xmlFreeNode(role);
}

static void config_clear_http_header(ice_config_http_header_t *header) {
 ice_config_http_header_t *old;

 while (header) {
  xmlFree(header->name);
  xmlFree(header->value);
  old = header;
  header = header->next;
  free(old);
 }
}

static inline ice_config_http_header_t * config_copy_http_header(ice_config_http_header_t *header) {
    ice_config_http_header_t *ret = NULL;
    ice_config_http_header_t *cur = NULL;
    ice_config_http_header_t *old = NULL;

    while (header) {
        if (cur) {
            cur->next = calloc(1, sizeof(ice_config_http_header_t));
            old = cur;
            cur = cur->next;
        } else {
            ret = calloc(1, sizeof(ice_config_http_header_t));
            cur = ret;
        }

        if (!cur) return ret; /* TODO: do better error handling */

        cur->type   = header->type;
        cur->name   = (char *)xmlCharStrdup(header->name);
        cur->value  = (char *)xmlCharStrdup(header->value);
        cur->status = header->status;

        if (!cur->name || !cur->value) {
            if (cur->name) xmlFree(cur->name);
            if (cur->value) xmlFree(cur->value);
            if (old) {
                old->next = NULL;
            } else {
                ret = NULL;
            }
            free(cur);
            return ret;
        }

        header = header->next;
    }

    return ret;
}

static void config_clear_mount(mount_proxy *mount)
{
    if (mount->mountname)       xmlFree (mount->mountname);
    if (mount->dumpfile)        xmlFree (mount->dumpfile);
    if (mount->intro_filename)  xmlFree (mount->intro_filename);
    if (mount->on_connect)      xmlFree (mount->on_connect);
    if (mount->on_disconnect)   xmlFree (mount->on_disconnect);
    if (mount->fallback_mount)  xmlFree (mount->fallback_mount);
    if (mount->stream_name)     xmlFree (mount->stream_name);
    if (mount->stream_description)  xmlFree (mount->stream_description);
    if (mount->stream_url)      xmlFree (mount->stream_url);
    if (mount->stream_genre)    xmlFree (mount->stream_genre);
    if (mount->bitrate)         xmlFree (mount->bitrate);
    if (mount->type)            xmlFree (mount->type);
    if (mount->charset)         xmlFree (mount->charset);
    if (mount->cluster_password)    xmlFree (mount->cluster_password);
    if (mount->authstack)       auth_stack_release(mount->authstack);

    config_clear_http_header(mount->http_headers);
    free (mount);
}

listener_t *config_clear_listener (listener_t *listener)
{
    listener_t *next = NULL;
    if (listener)
    {
        next = listener->next;
        if (listener->bind_address)     xmlFree (listener->bind_address);
        if (listener->shoutcast_mount)  xmlFree (listener->shoutcast_mount);
        free (listener);
    }
    return next;
}

void config_clear(ice_config_t *c)
{
    ice_config_dir_t *dirnode, *nextdirnode;
    relay_server *relay, *nextrelay;
    mount_proxy *mount, *nextmount;
    aliases *alias, *nextalias;
#ifdef USE_YP
    int i;
#endif

    free(c->config_filename);

    xmlFree (c->server_id);
    if (c->location) xmlFree(c->location);
    if (c->admin) xmlFree(c->admin);
    if (c->hostname) xmlFree(c->hostname);
    if (c->base_dir) xmlFree(c->base_dir);
    if (c->log_dir) xmlFree(c->log_dir);
    if (c->webroot_dir) xmlFree(c->webroot_dir);
    if (c->adminroot_dir) xmlFree(c->adminroot_dir);
    if (c->cert_file) xmlFree(c->cert_file);
    if (c->cipher_list) xmlFree(c->cipher_list);
    if (c->pidfile)
        xmlFree(c->pidfile);
    if (c->banfile) xmlFree(c->banfile);
    if (c->allowfile) xmlFree(c->allowfile);
    if (c->playlist_log) xmlFree(c->playlist_log);
    if (c->access_log) xmlFree(c->access_log);
    if (c->error_log) xmlFree(c->error_log);
    if (c->shoutcast_mount) xmlFree(c->shoutcast_mount);
    if (c->authstack)       auth_stack_release(c->authstack);
    if (c->master_server) xmlFree(c->master_server);
    if (c->master_username) xmlFree(c->master_username);
    if (c->master_password) xmlFree(c->master_password);
    if (c->user) xmlFree(c->user);
    if (c->group) xmlFree(c->group);
    if (c->mimetypes_fn) xmlFree (c->mimetypes_fn);

    while ((c->listen_sock = config_clear_listener (c->listen_sock)))
        ;

    thread_mutex_lock(&(_locks.relay_lock));
    relay = c->relay;
    while (relay) {
        nextrelay = relay->next;
        xmlFree(relay->server);
        xmlFree(relay->mount);
        xmlFree(relay->localmount);
        free(relay);
        relay = nextrelay;
    }
    thread_mutex_unlock(&(_locks.relay_lock));

    mount = c->mounts;
    while (mount) {
        nextmount = mount->next;
        config_clear_mount(mount);
        mount = nextmount;
    }

    alias = c->aliases;
    while (alias) {
        nextalias = alias->next;
        xmlFree(alias->source);
        xmlFree(alias->destination);
        xmlFree(alias->bind_address);
        xmlFree(alias->vhost);
        free(alias);
        alias = nextalias;
    }

    dirnode = c->dir_list;
    while (dirnode) {
        nextdirnode = dirnode->next;
        xmlFree(dirnode->host);
        free(dirnode);
        dirnode = nextdirnode;
    }
#ifdef USE_YP
    i = 0;
    while (i < c->num_yp_directories)
    {
        xmlFree (c->yp_url[i]);
        i++;
    }
#endif

    config_clear_http_header(c->http_headers);

    memset(c, 0, sizeof(ice_config_t));
}

int config_initial_parse_file(const char *filename)
{
    /* Since we're already pointing at it, we don't need to copy it in place */
    return config_parse_file(filename, &_current_configuration);
}

int config_parse_file(const char *filename, ice_config_t *configuration)
{
    xmlDocPtr doc;
    xmlNodePtr node;

    if (filename == NULL || strcmp(filename, "") == 0) return CONFIG_EINSANE;
    
    doc = xmlParseFile(filename);
    if (doc == NULL) {
        return CONFIG_EPARSE;
    }

    node = xmlDocGetRootElement(doc);
    if (node == NULL) {
        xmlFreeDoc(doc);
        return CONFIG_ENOROOT;
    }

    if (xmlStrcmp (node->name, XMLSTR("icecast")) != 0) {
        xmlFreeDoc(doc);
        return CONFIG_EBADROOT;
    }

    config_init_configuration(configuration);

    configuration->config_filename = strdup (filename);

    _parse_root(doc, node->xmlChildrenNode, configuration);

    xmlFreeDoc(doc);

    _merge_mounts_all(configuration);

    return 0;
}

int config_parse_cmdline(int arg, char **argv)
{
    return 0;
}

ice_config_locks *config_locks(void)
{
    return &_locks;
}

void config_release_config(void)
{
    thread_rwlock_unlock(&(_locks.config_lock));
}

ice_config_t *config_get_config(void)
{
    thread_rwlock_rlock(&(_locks.config_lock));
    return &_current_configuration;
}

ice_config_t *config_grab_config(void)
{
    thread_rwlock_wlock(&(_locks.config_lock));
    return &_current_configuration;
}

/* MUST be called with the lock held! */
void config_set_config(ice_config_t *config) {
    memcpy(&_current_configuration, config, sizeof(ice_config_t));
}

ice_config_t *config_get_config_unlocked(void)
{
    return &_current_configuration;
}

static void _set_defaults(ice_config_t *configuration)
{
    configuration->location = (char *) xmlCharStrdup(CONFIG_DEFAULT_LOCATION);
    configuration->server_id = (char *) xmlCharStrdup(ICECAST_VERSION_STRING);
    configuration->admin = (char *) xmlCharStrdup(CONFIG_DEFAULT_ADMIN);
    configuration->client_limit = CONFIG_DEFAULT_CLIENT_LIMIT;
    configuration->source_limit = CONFIG_DEFAULT_SOURCE_LIMIT;
    configuration->queue_size_limit = CONFIG_DEFAULT_QUEUE_SIZE_LIMIT;
    configuration->client_timeout = CONFIG_DEFAULT_CLIENT_TIMEOUT;
    configuration->header_timeout = CONFIG_DEFAULT_HEADER_TIMEOUT;
    configuration->source_timeout = CONFIG_DEFAULT_SOURCE_TIMEOUT;
    configuration->shoutcast_mount = (char *)xmlCharStrdup (CONFIG_DEFAULT_SHOUTCAST_MOUNT);
    configuration->fileserve = CONFIG_DEFAULT_FILESERVE;
    configuration->touch_interval = CONFIG_DEFAULT_TOUCH_FREQ;
    configuration->on_demand = 0;
    configuration->dir_list = NULL;
    configuration->hostname = (char *)xmlCharStrdup (CONFIG_DEFAULT_HOSTNAME);
    configuration->mimetypes_fn = (char *)xmlCharStrdup (MIMETYPESFILE);
    configuration->master_server = NULL;
    configuration->master_server_port = 0;
    configuration->master_update_interval = CONFIG_MASTER_UPDATE_INTERVAL;
    configuration->master_username = (char *)xmlCharStrdup (CONFIG_DEFAULT_MASTER_USERNAME);
    configuration->master_password = NULL;
    configuration->base_dir = (char *)xmlCharStrdup (CONFIG_DEFAULT_BASE_DIR);
    configuration->log_dir = (char *)xmlCharStrdup (CONFIG_DEFAULT_LOG_DIR);
    configuration->cipher_list = (char *)xmlCharStrdup (CONFIG_DEFAULT_CIPHER_LIST);
    configuration->null_device = (char *)xmlCharStrdup (CONFIG_DEFAULT_NULL_FILE);
    configuration->webroot_dir = (char *)xmlCharStrdup (CONFIG_DEFAULT_WEBROOT_DIR);
    configuration->adminroot_dir = (char *)xmlCharStrdup (CONFIG_DEFAULT_ADMINROOT_DIR);
    configuration->playlist_log = (char *)xmlCharStrdup (CONFIG_DEFAULT_PLAYLIST_LOG);
    configuration->access_log = (char *)xmlCharStrdup (CONFIG_DEFAULT_ACCESS_LOG);
    configuration->error_log = (char *)xmlCharStrdup (CONFIG_DEFAULT_ERROR_LOG);
    configuration->loglevel = CONFIG_DEFAULT_LOG_LEVEL;
    configuration->chroot = CONFIG_DEFAULT_CHROOT;
    configuration->chuid = CONFIG_DEFAULT_CHUID;
    configuration->user = NULL;
    configuration->group = NULL;
    configuration->num_yp_directories = 0;
    /* default to a typical prebuffer size used by clients */
    configuration->burst_size = CONFIG_DEFAULT_BURST_SIZE;
}

static inline void __check_hostname(ice_config_t *configuration) {
    char *p;

    // ensure we have a non-NULL buffer:
    if (!configuration->hostname)
        configuration->hostname = (char *)xmlCharStrdup (CONFIG_DEFAULT_HOSTNAME);

    // convert to lower case:
    for (p = configuration->hostname; *p; p++)
        if ( *p >= 'A' && *p <= 'Z' )
            *p += 'a' - 'A';

    configuration->sane_hostname = 0;
    switch (util_hostcheck(configuration->hostname)) {
        case HOSTCHECK_SANE:
            configuration->sane_hostname = 1;
        break;
        case HOSTCHECK_ERROR:
            ICECAST_LOG_ERROR("Can not check hostname \"%s\".", configuration->hostname);
        break;
        case HOSTCHECK_NOT_FQDN:
            ICECAST_LOG_WARN("Warning, <hostname> seems not to be set to a fully qualified fomain name (FQDN). This may cause problems, e.g. with YP directory listings.");
        break;
        case HOSTCHECK_IS_LOCALHOST:
            ICECAST_LOG_WARN("Warning, <hostname> not configured, using default value \"%s\". This will cause problems, e.g. with YP directory listings.", CONFIG_DEFAULT_HOSTNAME);
        break;
        case HOSTCHECK_IS_IPV4:
            ICECAST_LOG_WARN("Warning, <hostname> seems to be set to an IPv4 address. This may cause problems, e.g. with YP directory listings.");
        break;
        case HOSTCHECK_IS_IPV6:
            ICECAST_LOG_WARN("Warning, <hostname> seems to be set to an IPv6 address. This may cause problems, e.g. with YP directory listings.");
        break;
        case HOSTCHECK_BADCHAR:
            ICECAST_LOG_WARN("Warning, <hostname> configured to unusual characters. This may cause problems, e.g. with YP directory listings.");
        break;
    }
}

static void _parse_root(xmlDocPtr doc, xmlNodePtr node, 
        ice_config_t *configuration)
{
    char *tmp;
    char *source_password = NULL;

    configuration->listen_sock = calloc (1, sizeof (*configuration->listen_sock));
    configuration->listen_sock->port = 8000;
    configuration->listen_sock_count = 1;

    do {
        if (node == NULL) break;
        if (xmlIsBlankNode(node)) continue;

        if (xmlStrcmp (node->name, XMLSTR("location")) == 0) {
            if (configuration->location) xmlFree(configuration->location);
            configuration->location = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("admin")) == 0) {
            if (configuration->admin) xmlFree(configuration->admin);
            configuration->admin = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("server-id")) == 0) {
            xmlFree (configuration->server_id);
            configuration->server_id = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            ICECAST_LOG_WARN("Warning, server version string override detected. This may lead to unexpected client software behavior.");
        } else if(xmlStrcmp (node->name, XMLSTR("authentication")) == 0) {
            _parse_authentication(doc, node->xmlChildrenNode, configuration, &source_password);
        } else if (xmlStrcmp (node->name, XMLSTR("source-password")) == 0) {
            /* TODO: This is the backwards-compatibility location */
            ICECAST_LOG_WARN("<source-password> defined outside <authentication>. This is deprecated and will be removed in version 2.5.");
            if (source_password)
                xmlFree(source_password);
            source_password = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("icelogin")) == 0) {
            ICECAST_LOG_ERROR("<icelogin> has been removed.");
        } else if (xmlStrcmp (node->name, XMLSTR("fileserve")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->fileserve = util_str_to_bool(tmp);
            if (tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("relays-on-demand")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->on_demand = util_str_to_bool(tmp);
            if (tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("hostname")) == 0) {
            if (configuration->hostname) xmlFree(configuration->hostname);
            configuration->hostname = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("mime-types")) == 0) {
            if (configuration->mimetypes_fn) xmlFree(configuration->mimetypes_fn);
            configuration->mimetypes_fn = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("listen-socket")) == 0) {
            _parse_listen_socket(doc, node->xmlChildrenNode, configuration);
        } else if (xmlStrcmp (node->name, XMLSTR("port")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            if (tmp) {
                configuration->port = atoi(tmp);
                configuration->listen_sock->port = atoi(tmp);
                xmlFree(tmp);
            } else {
                ICECAST_LOG_WARN("<port> must not be empty.");
            }
        } else if (xmlStrcmp (node->name, XMLSTR("bind-address")) == 0) {
            if (configuration->listen_sock->bind_address) 
                xmlFree(configuration->listen_sock->bind_address);
            configuration->listen_sock->bind_address = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("master-server")) == 0) {
            if (configuration->master_server) xmlFree(configuration->master_server);
            configuration->master_server = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("master-username")) == 0) {
            if (configuration->master_username) xmlFree(configuration->master_username);
            configuration->master_username = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("master-password")) == 0) {
            if (configuration->master_password) xmlFree(configuration->master_password);
            configuration->master_password = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("master-server-port")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->master_server_port = atoi(tmp);
            xmlFree (tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("master-update-interval")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->master_update_interval = atoi(tmp);
            xmlFree (tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("shoutcast-mount")) == 0) {
            if (configuration->shoutcast_mount) xmlFree(configuration->shoutcast_mount);
            configuration->shoutcast_mount = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("limits")) == 0) {
            _parse_limits(doc, node->xmlChildrenNode, configuration);
        } else if (xmlStrcmp (node->name, XMLSTR("http-headers")) == 0) {
            _parse_http_headers(doc, node->xmlChildrenNode, &(configuration->http_headers));
        } else if (xmlStrcmp (node->name, XMLSTR("relay")) == 0) {
            _parse_relay(doc, node->xmlChildrenNode, configuration);
        } else if (xmlStrcmp (node->name, XMLSTR("mount")) == 0) {
            _parse_mount(doc, node, configuration);
        } else if (xmlStrcmp (node->name, XMLSTR("directory")) == 0) {
            _parse_directory(doc, node->xmlChildrenNode, configuration);
        } else if (xmlStrcmp (node->name, XMLSTR("paths")) == 0) {
            _parse_paths(doc, node->xmlChildrenNode, configuration);
        } else if (xmlStrcmp (node->name, XMLSTR("logging")) == 0) {
            _parse_logging(doc, node->xmlChildrenNode, configuration);
        } else if (xmlStrcmp (node->name, XMLSTR("security")) == 0) {
            _parse_security(doc, node->xmlChildrenNode, configuration);
        }
    } while ((node = node->next));

    /* global source password is set.
     * We need to set it on default mount.
     * If default mount has a authstack not NULL we don't need to do anything.
     */
    if (source_password) {
        mount_proxy *mount = config_find_mount(configuration, NULL, MOUNT_TYPE_DEFAULT);
        if (!mount) {
            /* create a default mount here */
            xmlNodePtr node;
            node = xmlNewNode(NULL, XMLSTR("mount"));
            xmlSetProp(node, XMLSTR("type"), XMLSTR("default"));
            _parse_mount(doc, node, configuration);
            xmlFreeNode(node);
            mount = config_find_mount(configuration, NULL, MOUNT_TYPE_DEFAULT);
        }
        if (mount) {
            if (!mount->authstack)
                __append_old_style_auth(&mount->authstack, "legacy-global-source", AUTH_TYPE_STATIC, "source", source_password, NULL, "source,put,get", 0, "*");
        } else {
            ICECAST_LOG_ERROR("Can not find nor create default mount but global lagency source password set. Bad.");
        }
    }

    /* drop the first listening socket details if more than one is defined, as we only
     * have port or listen-socket not both */
    if (configuration->listen_sock_count > 1)
    {
        configuration->listen_sock = config_clear_listener (configuration->listen_sock);
        configuration->listen_sock_count--;
    }
    if (configuration->port == 0)
        configuration->port = 8000;

   /* issue some warnings on bad configurations */
   if (!configuration->fileserve)
       ICECAST_LOG_WARN("Warning, serving of static files has been disabled in the config, this will also affect files used by the web interface (stylesheets, images).");

  __check_hostname(configuration);

  if (!configuration->location || strcmp(configuration->location, CONFIG_DEFAULT_LOCATION) == 0) {
      ICECAST_LOG_WARN("Warning, <location> not configured, using default value \"%s\".", CONFIG_DEFAULT_LOCATION);
      if (!configuration->location)
          configuration->location = (char *)xmlCharStrdup (CONFIG_DEFAULT_LOCATION);
  }

  if (!configuration->admin || strcmp(configuration->admin, CONFIG_DEFAULT_ADMIN) == 0) {
      ICECAST_LOG_WARN("Warning, <admin> contact not configured, using default value \"%s\".", CONFIG_DEFAULT_ADMIN);
      if (!configuration->admin)
          configuration->admin = (char *)xmlCharStrdup (CONFIG_DEFAULT_ADMIN);
  }
}

static void _parse_limits(xmlDocPtr doc, xmlNodePtr node, 
        ice_config_t *configuration)
{
    char *tmp;

    do {
        if (node == NULL) break;
        if (xmlIsBlankNode(node)) continue;

        if (xmlStrcmp (node->name, XMLSTR("clients")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->client_limit = atoi(tmp);
            if (tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("sources")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->source_limit = atoi(tmp);
            if (tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("queue-size")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->queue_size_limit = atoi(tmp);
            if (tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("threadpool")) == 0) {
            ICECAST_LOG_WARN("<threadpool> deprecated and will be removed in version 2.5.");
        } else if (xmlStrcmp (node->name, XMLSTR("client-timeout")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->client_timeout = atoi(tmp);
            if (tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("header-timeout")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->header_timeout = atoi(tmp);
            if (tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("source-timeout")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->source_timeout = atoi(tmp);
            if (tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("burst-on-connect")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            if (atoi(tmp) == 0)
                configuration->burst_size = 0;
            if (tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("burst-size")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->burst_size = atoi(tmp);
            if (tmp) xmlFree(tmp);
        }
    } while ((node = node->next));
}

static void _parse_mount_oldstyle_authentication(mount_proxy *mount, xmlNodePtr node, auth_stack_t **authstack) {
     int allow_duplicate_users = 1;
     auth_t *auth;
     char *type;
     char *name;
     char *value;
     xmlNodePtr child;

     child = node->xmlChildrenNode;

     while (child) {
         if (xmlStrcmp(node->name, XMLSTR("option")) == 0) {
             name = (char *)xmlGetProp(node, XMLSTR("name"));
             value = (char *)xmlGetProp(node, XMLSTR("value"));
             if (name && value) {
                 if (strcmp(name, "allow_duplicate_users") == 0) {
                     allow_duplicate_users = util_str_to_bool(value);
                 }
             }
             if (name)
                 xmlFree(name);
             if (value)
                 xmlFree(value);
         }
         child = child->next;
     }

     type = (char *)xmlGetProp(node, XMLSTR("type"));
     if (strcmp(type, AUTH_TYPE_HTPASSWD) == 0) {
         if (!allow_duplicate_users)
             xmlSetProp(node, XMLSTR("connections-per-user"), XMLSTR("0"));

         auth = auth_get_authenticator(node);
         if (auth) {
             auth_stack_push(authstack, auth);
             auth_release(auth);
         }

         __append_old_style_auth(authstack, NULL, AUTH_TYPE_ANONYMOUS, NULL, NULL, "source,put", NULL, 0, NULL);
     } else if (strcmp(type, AUTH_TYPE_URL) == 0) {
         /* This block is super fun! Attention! Super fun ahead! Ladies and Gentlemans take care and watch your children! */
         /* Stuff that was of help:
          * $ sed 's/^.*name="\([^"]*\)".*$/         const char *\1 = NULL;/'
          * $ sed 's/^.*name="\([^"]*\)".*$/         if (\1)\n             xmlFree(\1);/'
          * $ sed 's/^.*name="\([^"]*\)".*$/                     } else if (strcmp(name, "\1") == 0) {\n                         \1 = value;\n                         value = NULL;/'
          */
         /* urls */
         char *mount_add        = NULL;
         char *mount_remove     = NULL;
         char *listener_add     = NULL;
         char *listener_remove  = NULL;
         char *stream_auth      = NULL;
         /* request credentials */
         char *username         = NULL;
         char *password         = NULL;
         /* general options */
         char *auth_header      = NULL;
         char *timelimit_header = NULL;
         char *headers          = NULL;
         char *header_prefix    = NULL;

         child = node->xmlChildrenNode;
         while (child) {
             if (xmlStrcmp(node->name, XMLSTR("option")) == 0) {
                 name = (char *)xmlGetProp(node, XMLSTR("name"));
                 value = (char *)xmlGetProp(node, XMLSTR("value"));

                 if (name && value) {
                     if (strcmp(name, "mount_add") == 0) {
                         mount_add = value;
                         value = NULL;
                     } else if (strcmp(name, "mount_add") == 0) {
                         mount_add = value;
                         value = NULL;
                     } else if (strcmp(name, "mount_remove") == 0) {
                         mount_remove = value;
                         value = NULL;
                     } else if (strcmp(name, "listener_add") == 0) {
                         listener_add = value;
                         value = NULL;
                     } else if (strcmp(name, "listener_remove") == 0) {
                         listener_remove = value;
                         value = NULL;
                     } else if (strcmp(name, "username") == 0) {
                         username = value;
                         value = NULL;
                     } else if (strcmp(name, "password") == 0) {
                         password = value;
                         value = NULL;
                     } else if (strcmp(name, "auth_header") == 0) {
                         auth_header = value;
                         value = NULL;
                     } else if (strcmp(name, "timelimit_header") == 0) {
                         timelimit_header = value;
                         value = NULL;
                     } else if (strcmp(name, "headers") == 0) {
                         headers = value;
                         value = NULL;
                     } else if (strcmp(name, "header_prefix") == 0) {
                         header_prefix = value;
                         value = NULL;
                     } else if (strcmp(name, "stream_auth") == 0) {
                         stream_auth = value;
                         value = NULL;
                     }
                 }

                 if (name)
                     xmlFree(name);
                 if (value)
                     xmlFree(value);
             }
             child = child->next;
         }

         /* TODO: FIXME: XXX: implement support for mount_add and mount_remove (using only username and password) here. */
         __append_old_style_urlauth(authstack, listener_add, listener_remove, "listener_add", "listener_remove", username, password, 0, auth_header, timelimit_header, headers, header_prefix);
         __append_old_style_urlauth(authstack, stream_auth, NULL, "stream_auth", NULL, username, password, 1, auth_header, timelimit_header, headers, header_prefix);
         if (listener_add)
             __append_old_style_auth(authstack, NULL, AUTH_TYPE_ANONYMOUS, NULL, NULL, "get,put,head", NULL, 0, NULL);
         if (stream_auth)
             __append_old_style_auth(authstack, NULL, AUTH_TYPE_ANONYMOUS, NULL, NULL, "source,put", NULL, 0, NULL);

         if (mount_add)
             xmlFree(mount_add);
         if (mount_remove)
             xmlFree(mount_remove);
         if (listener_add)
             xmlFree(listener_add);
         if (listener_remove)
             xmlFree(listener_remove);
         if (username)
             xmlFree(username);
         if (password)
             xmlFree(password);
         if (auth_header)
             xmlFree(auth_header);
         if (timelimit_header)
             xmlFree(timelimit_header);
         if (headers)
             xmlFree(headers);
         if (header_prefix)
             xmlFree(header_prefix);
         if (stream_auth)
             xmlFree(stream_auth);
     } else {
         ICECAST_LOG_ERROR("Unknown authentication type in legacy mode. Disable anonymous login listener and global login for source.");
         __append_old_style_auth(authstack, NULL, AUTH_TYPE_ANONYMOUS, NULL, NULL, NULL, NULL, 0, NULL);
     }
     xmlFree(type);
}

static void _parse_mount(xmlDocPtr doc, xmlNodePtr node, 
        ice_config_t *configuration)
{
    char *tmp;
    mount_proxy *mount = calloc(1, sizeof(mount_proxy));
    mount_proxy *current = configuration->mounts;
    mount_proxy *last=NULL;
    char *username = NULL;
    char *password = NULL;
    auth_stack_t *authstack = NULL;
    
    /* default <mount> settings */
    mount->mounttype = MOUNT_TYPE_NORMAL;
    mount->max_listeners = -1;
    mount->burst_size = -1;
    mount->mp3_meta_interval = -1;
    mount->yp_public = -1;
    mount->next = NULL;

    tmp = (char *)xmlGetProp(node, XMLSTR("type"));
    if (tmp) {
        if (strcmp(tmp, "normal") == 0) {
	    mount->mounttype = MOUNT_TYPE_NORMAL;
	}
	else if (strcmp(tmp, "default") == 0) {
	    mount->mounttype = MOUNT_TYPE_DEFAULT;
	}
	else {
	    ICECAST_LOG_WARN("Unknown mountpoint type: %s", tmp);
            config_clear_mount (mount);
            return;
	}
	xmlFree(tmp);
    }

    node = node->xmlChildrenNode;

    do {
        if (node == NULL) break;
        if (xmlIsBlankNode(node)) continue;

        if (xmlStrcmp (node->name, XMLSTR("mount-name")) == 0) {
            mount->mountname = (char *)xmlNodeListGetString (doc, node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("username")) == 0) {
            username = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("password")) == 0) {
            password = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("dump-file")) == 0) {
            mount->dumpfile = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("intro")) == 0) {
            mount->intro_filename = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("fallback-mount")) == 0) {
            mount->fallback_mount = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("fallback-when-full")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            mount->fallback_when_full = util_str_to_bool(tmp);
            if(tmp) xmlFree(tmp);
        }
        else if (xmlStrcmp (node->name, XMLSTR("max-listeners")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            mount->max_listeners = atoi(tmp);
            if(tmp) xmlFree(tmp);
        }
        else if (xmlStrcmp (node->name, XMLSTR("charset")) == 0) {
            mount->charset = (char *)xmlNodeListGetString(doc,
                    node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("mp3-metadata-interval")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            mount->mp3_meta_interval = atoi(tmp);
            if(tmp) xmlFree(tmp);
        }
        else if (xmlStrcmp (node->name, XMLSTR("fallback-override")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            mount->fallback_override = util_str_to_bool(tmp);
            if(tmp) xmlFree(tmp);
        }
        else if (xmlStrcmp (node->name, XMLSTR("no-mount")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            mount->no_mount = util_str_to_bool(tmp);
            if(tmp) xmlFree(tmp);
        }
        else if (xmlStrcmp (node->name, XMLSTR("no-yp")) == 0) {
            ICECAST_LOG_WARN("<no-yp> defined. Please use <public>. This is deprecated and will be removed in version 2.5.");
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            mount->yp_public = util_str_to_bool(tmp) == 0 ? -1 : 0;
            if(tmp) xmlFree(tmp);
        }
        else if (xmlStrcmp (node->name, XMLSTR("hidden")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            mount->hidden = util_str_to_bool(tmp);
            if(tmp) xmlFree(tmp);
        }
        else if (xmlStrcmp (node->name, XMLSTR("authentication")) == 0) {
            tmp = (char *)xmlGetProp(node, XMLSTR("type"));
            if (tmp) {
                xmlFree(tmp);
                _parse_mount_oldstyle_authentication(mount, node, &authstack);
            } else {
                xmlNodePtr child = node->xmlChildrenNode;

                do {
                    if (child == NULL) break;
                    if (xmlIsBlankNode(child)) continue;
                    if (xmlStrcmp (child->name, XMLSTR("role")) == 0) {
                        auth_t *auth = auth_get_authenticator(child);
                        auth_stack_push(&authstack, auth);
                        auth_release(auth);
                    }
               } while ((child = child->next));
            }
        }
        else if (xmlStrcmp (node->name, XMLSTR("on-connect")) == 0) {
            mount->on_connect = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("on-disconnect")) == 0) {
            mount->on_disconnect = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("max-listener-duration")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            mount->max_listener_duration = atoi(tmp);
            if(tmp) xmlFree(tmp);
        }
        else if (xmlStrcmp (node->name, XMLSTR("queue-size")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            mount->queue_size_limit = atoi (tmp);
            if(tmp) xmlFree(tmp);
        }
        else if (xmlStrcmp (node->name, XMLSTR("source-timeout")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            if (tmp)
            {
                mount->source_timeout = atoi (tmp);
                xmlFree(tmp);
            }
        } else if (xmlStrcmp (node->name, XMLSTR("burst-size")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            mount->burst_size = atoi(tmp);
            if (tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("cluster-password")) == 0) {
            mount->cluster_password = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("stream-name")) == 0) {
            mount->stream_name = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("stream-description")) == 0) {
            mount->stream_description = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("stream-url")) == 0) {
            mount->stream_url = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("genre")) == 0) {
            mount->stream_genre = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("bitrate")) == 0) {
            mount->bitrate = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("public")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            mount->yp_public = __parse_public(tmp);
            if(tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("type")) == 0) {
            mount->type = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("subtype")) == 0) {
            mount->subtype = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("http-headers")) == 0) {
            _parse_http_headers(doc, node->xmlChildrenNode, &(mount->http_headers));
        }
    } while ((node = node->next));

    if (password) {
        auth_stack_t *old_style = NULL;
        __append_old_style_auth(&old_style, "legacy-mount-source", AUTH_TYPE_STATIC, username ? username : "source", password, NULL, "source,put,get", 0, "*");
        if (authstack) {
            auth_stack_append(old_style, authstack);
            auth_stack_release(authstack);
        }
        authstack = old_style;
    }

    if (username)
        xmlFree(username);
    if (password)
        xmlFree(password);

    if (mount->authstack)
        auth_stack_release(mount->authstack);
    auth_stack_addref(mount->authstack = authstack);

    /* make sure we have at least the mountpoint name */
    if (mount->mountname == NULL && mount->mounttype != MOUNT_TYPE_DEFAULT)
    {
        config_clear_mount (mount);
        return;
    }
    else if (mount->mountname != NULL && mount->mounttype == MOUNT_TYPE_DEFAULT)
    {
    	ICECAST_LOG_WARN("Default mount %s has mount-name set. This is not supported. Behavior may not be consistent.", mount->mountname);
    }

    while (authstack) {
        auth_t *auth = auth_stack_get(authstack);
        if (mount->mountname) {
            auth->mount = strdup((char *)mount->mountname);
        } else if (mount->mounttype == MOUNT_TYPE_DEFAULT ) {
            auth->mount = strdup("(default mount)");
        }
        auth_release(auth);
        auth_stack_next(&authstack);
    }

    while(current) {
        last = current;
        current = current->next;
    }

    if (!mount->fallback_mount && (mount->fallback_when_full || mount->fallback_override))
    {
        ICECAST_LOG_WARN("Config for mount %s contains fallback options but no fallback mount.", mount->mountname);
    }

    if(last)
        last->next = mount;
    else
        configuration->mounts = mount;
}

static void _parse_http_headers(xmlDocPtr doc, xmlNodePtr node, ice_config_http_header_t **http_headers) {
    ice_config_http_header_t *header;
    ice_config_http_header_t *next;
    char *name = NULL;
    char *value = NULL;
    char *tmp;
    int status;
    http_header_type type;

    do {
        if (node == NULL) break;
        if (xmlIsBlankNode(node)) continue;
        if (xmlStrcmp (node->name, XMLSTR("header")) != 0) continue;
        if (!(name = (char *)xmlGetProp(node, XMLSTR("name")))) break;
        if (!(value = (char *)xmlGetProp(node, XMLSTR("value")))) break;

        type = HTTP_HEADER_TYPE_STATIC; /* default */
        if ((tmp = (char *)xmlGetProp(node, XMLSTR("type")))) {
            if (strcmp(tmp, "static") == 0) {
                type = HTTP_HEADER_TYPE_STATIC;
            } else {
                ICECAST_LOG_WARN("Unknown type %s for HTTP Header %s", tmp, name);
                xmlFree(tmp);
                break;
            }
            xmlFree(tmp);
        }

        status = 0; /* default: any */
        if ((tmp = (char *)xmlGetProp(node, XMLSTR("status")))) {
            status = atoi(tmp);
            xmlFree(tmp);
        }

        header = calloc(1, sizeof(ice_config_http_header_t));
        if (!header) break;
        header->type = type;
        header->name = name;
        header->value = value;
        header->status = status;
        name = NULL;
        value = NULL;

        if (!*http_headers) {
            *http_headers = header;
            continue;
        }
        next = *http_headers;
        while (next->next) next = next->next;
        next->next = header;
    } while ((node = node->next));
    /* in case we used break we may need to clean those up */
    if (name)
	xmlFree(name);
    if (value)
	xmlFree(value);
}

static void _parse_relay(xmlDocPtr doc, xmlNodePtr node,
        ice_config_t *configuration)
{
    char *tmp;
    relay_server *relay = calloc(1, sizeof(relay_server));
    relay_server *current = configuration->relay;
    relay_server *last=NULL;

    while(current) {
        last = current;
        current = current->next;
    }

    if(last)
        last->next = relay;
    else
        configuration->relay = relay;

    relay->next = NULL;
    relay->mp3metadata = 1;
    relay->on_demand = configuration->on_demand;
    relay->server = (char *) xmlCharStrdup("127.0.0.1");
    relay->mount = (char *) xmlCharStrdup("/");

    do {
        if (node == NULL) break;
        if (xmlIsBlankNode(node)) continue;

        if (xmlStrcmp (node->name, XMLSTR("server")) == 0) {
            if (relay->server) xmlFree (relay->server);
            relay->server = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("port")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            if (tmp) {
                relay->port = atoi(tmp);
                xmlFree(tmp);
            } else {
                ICECAST_LOG_WARN("<port> must not be empty.");
            }
        }
        else if (xmlStrcmp (node->name, XMLSTR("mount")) == 0) {
            if (relay->mount) xmlFree (relay->mount);
            relay->mount = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("local-mount")) == 0) {
            if (relay->localmount) xmlFree (relay->localmount);
            relay->localmount = (char *)xmlNodeListGetString(
                    doc, node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("relay-shoutcast-metadata")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            relay->mp3metadata = util_str_to_bool(tmp);
            if(tmp) xmlFree(tmp);
        }
        else if (xmlStrcmp (node->name, XMLSTR("username")) == 0) {
            if (relay->username) xmlFree (relay->username);
            relay->username = (char *)xmlNodeListGetString(doc,
                    node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("password")) == 0) {
            if (relay->password) xmlFree (relay->password);
            relay->password = (char *)xmlNodeListGetString(doc,
                    node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("on-demand")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            relay->on_demand = util_str_to_bool(tmp);
            if (tmp) xmlFree(tmp);
        }
        else if (xmlStrcmp (node->name, XMLSTR("bind")) == 0) {
            if (relay->bind) xmlFree (relay->bind);
            relay->bind = (char *)xmlNodeListGetString (doc, node->xmlChildrenNode, 1);
        }
    } while ((node = node->next));
    if (relay->localmount == NULL)
        relay->localmount = (char *)xmlStrdup (XMLSTR(relay->mount));
}

static void _parse_listen_socket(xmlDocPtr doc, xmlNodePtr node,
        ice_config_t *configuration)
{
    char *tmp;
    listener_t *listener = calloc (1, sizeof(listener_t));

    if (listener == NULL)
        return;
    listener->port = 8000;

    do {
        if (node == NULL) break;
        if (xmlIsBlankNode(node)) continue;

        if (xmlStrcmp (node->name, XMLSTR("port")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            if (tmp) {
                if(configuration->port == 0)
                    configuration->port = atoi(tmp);
                listener->port = atoi(tmp);
                xmlFree(tmp);
            } else {
                ICECAST_LOG_WARN("<port> must not be empty.");
            }
        }
        else if (xmlStrcmp (node->name, XMLSTR("ssl")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            listener->ssl = util_str_to_bool(tmp);
            if(tmp) xmlFree(tmp);
        }
        else if (xmlStrcmp (node->name, XMLSTR("shoutcast-compat")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            listener->shoutcast_compat = util_str_to_bool(tmp);
            if(tmp) xmlFree(tmp);
        }
        else if (xmlStrcmp (node->name, XMLSTR("shoutcast-mount")) == 0) {
            if (listener->shoutcast_mount) xmlFree (listener->shoutcast_mount);
            listener->shoutcast_mount = (char *)xmlNodeListGetString(doc, 
                    node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("bind-address")) == 0) {
            if (listener->bind_address) xmlFree (listener->bind_address);
            listener->bind_address = (char *)xmlNodeListGetString(doc, 
                    node->xmlChildrenNode, 1);
        }
        else if (xmlStrcmp (node->name, XMLSTR("so-sndbuf")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            listener->so_sndbuf = atoi(tmp);
            if(tmp) xmlFree(tmp);
        }
    } while ((node = node->next));

    /* we know there's at least one of these, so add this new one after the first
     * that way it can be removed easily later on */
    listener->next = configuration->listen_sock->next;
    configuration->listen_sock->next = listener;
    configuration->listen_sock_count++;
    if (listener->shoutcast_mount)
    {
        listener_t *sc_port = calloc (1, sizeof (listener_t));
        sc_port->port = listener->port+1;
        sc_port->shoutcast_compat = 1;
        sc_port->shoutcast_mount = (char*)xmlStrdup (XMLSTR(listener->shoutcast_mount));
        if (listener->bind_address)
            sc_port->bind_address = (char*)xmlStrdup (XMLSTR(listener->bind_address));

        sc_port->next = listener->next;
        listener->next = sc_port;
        configuration->listen_sock_count++;
    }
}

static void _parse_authentication(xmlDocPtr doc, xmlNodePtr node,
        ice_config_t *configuration, char **source_password)
{
    char *admin_password = NULL, *admin_username = NULL;
    char *relay_password = NULL, *relay_username = (char*)xmlCharStrdup(CONFIG_DEFAULT_MASTER_USERNAME);
    auth_stack_t *old_style = NULL;
    auth_stack_t *new_style = NULL;

    do {
        if (node == NULL) break;
        if (xmlIsBlankNode(node)) continue;

        if (xmlStrcmp(node->name, XMLSTR("source-password")) == 0) {
            if (xmlGetProp(node, XMLSTR("mount"))) {
                ICECAST_LOG_ERROR("Mount level source password defined within global <authentication> section.");
            }
            else {
                if (*source_password) xmlFree(*source_password);
                *source_password = 
                    (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            }
        } else if (xmlStrcmp (node->name, XMLSTR("admin-password")) == 0) {
            if(admin_password) xmlFree(admin_password);
            admin_password = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("admin-user")) == 0) {
            if(admin_username) xmlFree(admin_username);
            admin_username = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("relay-password")) == 0) {
            if(relay_password) xmlFree(relay_password);
            relay_password = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("relay-user")) == 0) {
            if(relay_username) xmlFree(relay_username);
            relay_username = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("role")) == 0) {
            auth_t *auth = auth_get_authenticator(node);
            auth_stack_push(&new_style, auth);
            auth_release(auth);
        }
    } while ((node = node->next));

    if (admin_password && admin_username)
        __append_old_style_auth(&old_style, "legacy-admin", AUTH_TYPE_STATIC, admin_username, admin_password, NULL, "get,post,head", 1, "*");

    if (relay_password && relay_username)
        __append_old_style_auth(&old_style, "legacy-relay", AUTH_TYPE_STATIC, relay_username, relay_password, NULL, "get", 1, "streamlist.txt");

    if (admin_password)
        xmlFree(admin_password);
    if (admin_username)
        xmlFree(admin_username);
    if (relay_password)
        xmlFree(relay_password);
    if (relay_username)
        xmlFree(relay_username);

    if (old_style && new_style) {
        auth_stack_append(old_style, new_style);
        auth_stack_release(new_style);
    } else if (new_style) {
        old_style = new_style;
    }

    /* default unauthed anonymous account */
    __append_old_style_auth(&old_style, "anonymous", AUTH_TYPE_ANONYMOUS, NULL, NULL, NULL, "get,post,head", 1, NULL);
    if (!old_style)
        ICECAST_LOG_ERROR("BAD. old_style=NULL");

    if (configuration->authstack)
        auth_stack_release(configuration->authstack);
    configuration->authstack = old_style;
}

static void _parse_directory(xmlDocPtr doc, xmlNodePtr node,
        ice_config_t *configuration)
{
    char *tmp;

    if (configuration->num_yp_directories >= MAX_YP_DIRECTORIES) {
        ICECAST_LOG_ERROR("Maximum number of yp directories exceeded!");
        return;
    }
    do {
        if (node == NULL) break;
        if (xmlIsBlankNode(node)) continue;

        if (xmlStrcmp (node->name, XMLSTR("yp-url")) == 0) {
            if (configuration->yp_url[configuration->num_yp_directories]) 
                xmlFree(configuration->yp_url[configuration->num_yp_directories]);
            configuration->yp_url[configuration->num_yp_directories] = 
                (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("yp-url-timeout")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->yp_url_timeout[configuration->num_yp_directories] = 
                atoi(tmp);
            if (tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("server")) == 0) {
            _add_server(doc, node->xmlChildrenNode, configuration);
        } else if (xmlStrcmp (node->name, XMLSTR("touch-interval")) == 0) {
            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->yp_touch_interval[configuration->num_yp_directories] =
                atoi(tmp);
            if (tmp) xmlFree(tmp);
        }
    } while ((node = node->next));
    if (configuration->yp_url [configuration->num_yp_directories] == NULL)
        return;
    configuration->num_yp_directories++;
}

static void _parse_paths(xmlDocPtr doc, xmlNodePtr node,
        ice_config_t *configuration)
{
    char *temp;
    aliases *alias, *current, *last;

    do {
        if (node == NULL) break;
        if (xmlIsBlankNode(node)) continue;

        if (xmlStrcmp (node->name, XMLSTR("basedir")) == 0) {
            if (configuration->base_dir) xmlFree(configuration->base_dir);
            configuration->base_dir = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("logdir")) == 0) {
            if (!(temp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1))) {
                ICECAST_LOG_WARN("<logdir> must not be empty.");
                continue;
            }
            if (configuration->log_dir) xmlFree(configuration->log_dir);
            configuration->log_dir = temp;
        } else if (xmlStrcmp (node->name, XMLSTR("pidfile")) == 0) {
            if (configuration->pidfile) xmlFree(configuration->pidfile);
            configuration->pidfile = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("nulldevice")) == 0) {
            if (configuration->null_device) xmlFree(configuration->null_device);
            configuration->null_device = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("deny-ip")) == 0) {
            if (configuration->banfile) xmlFree(configuration->banfile);
            configuration->banfile = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("allow-ip")) == 0) {
            if (configuration->allowfile) xmlFree(configuration->allowfile);
            configuration->allowfile = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("ssl-certificate")) == 0) {
            if (configuration->cert_file) xmlFree(configuration->cert_file);
            configuration->cert_file = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("ssl-allowed-ciphers")) == 0) {
            if (configuration->cipher_list) xmlFree(configuration->cipher_list);
            configuration->cipher_list = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("webroot")) == 0) {
            if (!(temp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1))) {
                ICECAST_LOG_WARN("<webroot> must not be empty.");
                continue;
            }
            if (configuration->webroot_dir) xmlFree(configuration->webroot_dir);
            configuration->webroot_dir = temp;
            if(configuration->webroot_dir[strlen(configuration->webroot_dir)-1] == '/')
                configuration->webroot_dir[strlen(configuration->webroot_dir)-1] = 0;
        } else if (xmlStrcmp (node->name, XMLSTR("adminroot")) == 0) {
            if (!(temp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1))) {
                ICECAST_LOG_WARN("<adminroot> must not be empty.");
                continue;
            }
            if (configuration->adminroot_dir) 
                xmlFree(configuration->adminroot_dir);
            configuration->adminroot_dir = (char *)temp;
            if(configuration->adminroot_dir[strlen(configuration->adminroot_dir)-1] == '/')
                configuration->adminroot_dir[strlen(configuration->adminroot_dir)-1] = 0;
        } else if (xmlStrcmp (node->name, XMLSTR("alias")) == 0) {
            alias = malloc(sizeof(aliases));
            alias->next = NULL;
            alias->source = (char *)xmlGetProp(node, XMLSTR("source"));
            if(alias->source == NULL) {
                free(alias);
                continue;
            }
            alias->destination = (char *)xmlGetProp(node, XMLSTR("destination"));
            if (!alias->destination)
                alias->destination = (char *)xmlGetProp(node, XMLSTR("dest"));
            if(alias->destination == NULL) {
                xmlFree(alias->source);
                free(alias);
                continue;
            }
            temp = NULL;
            temp = (char *)xmlGetProp(node, XMLSTR("port"));
            if(temp != NULL) {
                alias->port = atoi(temp);
                xmlFree(temp);
            }
            else
                alias->port = -1;
            alias->bind_address = (char *)xmlGetProp(node, XMLSTR("bind-address"));
            alias->vhost = (char *)xmlGetProp(node, XMLSTR("vhost"));
            current = configuration->aliases;
            last = NULL;
            while (current) {
                last = current;
                current = current->next;
            }
            if(last)
                last->next = alias;
            else
                configuration->aliases = alias;
        }
    } while ((node = node->next));
}

static void _parse_logging(xmlDocPtr doc, xmlNodePtr node,
        ice_config_t *configuration)
{
    char *tmp;
    do {
        if (node == NULL) break;
        if (xmlIsBlankNode(node)) continue;

        if (xmlStrcmp (node->name, XMLSTR("accesslog")) == 0) {
            if (!(tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1))) {
                ICECAST_LOG_WARN("<accesslog> must not be empty.");
                continue;
            }
            if (configuration->access_log) xmlFree(configuration->access_log);
            configuration->access_log = tmp;
        } else if (xmlStrcmp (node->name, XMLSTR("errorlog")) == 0) {
            if (!(tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1))) {
                ICECAST_LOG_WARN("<errorlog> must not be empty.");
                continue;
            }
            if (configuration->error_log) xmlFree(configuration->error_log);
            configuration->error_log = tmp;
        } else if (xmlStrcmp (node->name, XMLSTR("playlistlog")) == 0) {
            if (configuration->playlist_log) xmlFree(configuration->playlist_log);
            configuration->playlist_log = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
        } else if (xmlStrcmp (node->name, XMLSTR("logsize")) == 0) {
            char *tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->logsize = atoi(tmp);
            if (tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("loglevel")) == 0) {
           char *tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
           configuration->loglevel = __parse_loglevel(tmp);
           if (tmp) xmlFree(tmp);
        } else if (xmlStrcmp (node->name, XMLSTR("logarchive")) == 0) {
            char *tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            configuration->logarchive = atoi(tmp);
            if (tmp) xmlFree(tmp);
        }
    } while ((node = node->next));
}

static void _parse_security(xmlDocPtr doc, xmlNodePtr node,
        ice_config_t *configuration)
{
   char *tmp;
   xmlNodePtr oldnode;

   do {
       if (node == NULL) break;
       if (xmlIsBlankNode(node)) continue;

       if (xmlStrcmp (node->name, XMLSTR("chroot")) == 0) {
           tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
           configuration->chroot = util_str_to_bool(tmp);
           if (tmp) xmlFree(tmp);
       } else if (xmlStrcmp (node->name, XMLSTR("changeowner")) == 0) {
           configuration->chuid = 1;
           oldnode = node;
           node = node->xmlChildrenNode;
           do {
               if(node == NULL) break;
               if(xmlIsBlankNode(node)) continue;
               if(xmlStrcmp (node->name, XMLSTR("user")) == 0) {
                   if(configuration->user) xmlFree(configuration->user);
                   configuration->user = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
               } else if(xmlStrcmp (node->name, XMLSTR("group")) == 0) {
                   if(configuration->group) xmlFree(configuration->group);
                   configuration->group = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
               }
           } while((node = node->next));
           node = oldnode;
       }
   } while ((node = node->next));
}

static void _add_server(xmlDocPtr doc, xmlNodePtr node, 
        ice_config_t *configuration)
{
    ice_config_dir_t *dirnode, *server;
    int addnode;
    char *tmp;

    server = (ice_config_dir_t *)malloc(sizeof(ice_config_dir_t));
    server->touch_interval = configuration->touch_interval;
    server->host = NULL;
    addnode = 0;
    
    do {
        if (node == NULL) break;
        if (xmlIsBlankNode(node)) continue;

        if (xmlStrcmp(node->name, XMLSTR("host")) == 0) {
            server->host = (char *) xmlNodeListGetString(doc,
                node->xmlChildrenNode, 1);
            addnode = 1;
        } else if (xmlStrcmp(node->name, XMLSTR("touch-interval")) == 0) {
            tmp = (char *) xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
            server->touch_interval = atoi(tmp);
            if (tmp) xmlFree(tmp);
        }
        server->next = NULL;
    } while ((node = node->next));

    if (addnode) {
        dirnode = configuration->dir_list;
        if (dirnode == NULL) {
            configuration->dir_list = server;
        } else {
            while (dirnode->next) dirnode = dirnode->next;
            
            dirnode->next = server;
        }
        
        server = NULL;
        addnode = 0;
    }
    else {
        free (server);
    }
}

static void merge_mounts(mount_proxy * dst, mount_proxy * src) {
    ice_config_http_header_t *http_header_next;
    ice_config_http_header_t **http_header_tail;

    if (!dst || !src)
    	return;

    if (!dst->dumpfile)
    	dst->dumpfile = (char*)xmlStrdup((xmlChar*)src->dumpfile);
    if (!dst->intro_filename)
    	dst->intro_filename = (char*)xmlStrdup((xmlChar*)src->intro_filename);
    if (!dst->fallback_when_full)
    	dst->fallback_when_full = src->fallback_when_full;
    if (dst->max_listeners == -1)
    	dst->max_listeners = src->max_listeners;
    if (!dst->fallback_mount)
    	dst->fallback_mount = (char*)xmlStrdup((xmlChar*)src->fallback_mount);
    if (!dst->fallback_override)
    	dst->fallback_override = src->fallback_override;
    if (!dst->no_mount)
    	dst->no_mount = src->no_mount;
    if (dst->burst_size == -1)
    	dst->burst_size = src->burst_size;
    if (!dst->queue_size_limit)
    	dst->queue_size_limit = src->queue_size_limit;
    if (!dst->hidden)
    	dst->hidden = src->hidden;
    if (!dst->source_timeout)
    	dst->source_timeout = src->source_timeout;
    if (!dst->charset)
    	dst->charset = (char*)xmlStrdup((xmlChar*)src->charset);
    if (dst->mp3_meta_interval == -1)
    	dst->mp3_meta_interval = src->mp3_meta_interval;
    if (!dst->cluster_password)
    	dst->cluster_password = (char*)xmlStrdup((xmlChar*)src->cluster_password);
    if (!dst->on_connect)
    	dst->on_connect = (char*)xmlStrdup((xmlChar*)src->on_connect);
    if (!dst->on_disconnect)
    	dst->on_disconnect = (char*)xmlStrdup((xmlChar*)src->on_disconnect);
    if (!dst->max_listener_duration)
    	dst->max_listener_duration = src->max_listener_duration;
    if (!dst->stream_name)
    	dst->stream_name = (char*)xmlStrdup((xmlChar*)src->stream_name);
    if (!dst->stream_description)
    	dst->stream_description = (char*)xmlStrdup((xmlChar*)src->stream_description);
    if (!dst->stream_url)
    	dst->stream_url = (char*)xmlStrdup((xmlChar*)src->stream_url);
    if (!dst->stream_genre)
    	dst->stream_genre = (char*)xmlStrdup((xmlChar*)src->stream_genre);
    if (!dst->bitrate)
    	dst->bitrate = (char*)xmlStrdup((xmlChar*)src->bitrate);
    if (!dst->type)
    	dst->type = (char*)xmlStrdup((xmlChar*)src->type);
    if (!dst->subtype)
    	dst->subtype = (char*)xmlStrdup((xmlChar*)src->subtype);
    if (dst->yp_public == -1)
    	dst->yp_public = src->yp_public;

    if (dst->http_headers) {
        http_header_next = dst->http_headers;
        while (http_header_next->next) http_header_next = http_header_next->next;
        http_header_tail = &(http_header_next->next);
    } else {
        http_header_tail = &(dst->http_headers);
    }
    *http_header_tail = config_copy_http_header(src->http_headers);
}

static inline void _merge_mounts_all(ice_config_t *c) {
    mount_proxy *mountinfo = c->mounts;
    mount_proxy *default_mount;

    for (; mountinfo; mountinfo = mountinfo->next)
    {
    	if (mountinfo->mounttype != MOUNT_TYPE_NORMAL)
	    continue;

        default_mount = config_find_mount(c, mountinfo->mountname, MOUNT_TYPE_DEFAULT);

	merge_mounts(mountinfo, default_mount);
    }
}

/* return the mount details that match the supplied mountpoint */
mount_proxy *config_find_mount (ice_config_t *config, const char *mount, mount_type type) {
    mount_proxy *mountinfo = config->mounts;

    for (; mountinfo; mountinfo = mountinfo->next)
    {
        if (mountinfo->mounttype != type)
	    continue;

	if (!mount && !mountinfo->mountname)
            break;

        if (mountinfo->mounttype == MOUNT_TYPE_NORMAL) {
            if (!mount || !mountinfo->mountname)
                continue;

	    if (strcmp(mountinfo->mountname, mount) == 0)
                break;
        } else if (mountinfo->mounttype == MOUNT_TYPE_DEFAULT) {
            if (!mountinfo->mountname)
                break;

#ifndef _WIN32
            if (fnmatch(mountinfo->mountname, mount, FNM_PATHNAME) == 0)
                break;
#else
            if (strcmp(mountinfo->mountname, mount) == 0)
                break;
#endif
        }
    }

    /* retry with default mount */
    if (!mountinfo && type == MOUNT_TYPE_NORMAL)
        mountinfo = config_find_mount(config, mount, MOUNT_TYPE_DEFAULT);

    return mountinfo;
}

/* Helper function to locate the configuration details of the listening 
 * socket
 */
listener_t *config_get_listen_sock(ice_config_t *config, connection_t *con)
{
    listener_t *listener;
    int i = 0;

    listener = config->listen_sock;
    while (listener)
    {
        if (i >= global.server_sockets)
            listener = NULL;
        else
        {
            if (global.serversock[i] == con->serversock)
                break;
            listener = listener->next;
            i++;
        }
    }
    return listener;
}