/*
* sortServerByInst
*/
static int sortServerByInst( const void *srv1, const void *srv2 )
{
if( SRV( srv1 ) == NULL ) {
return( 1 );
}
if( SRV( srv2 ) == NULL ) {
return( -1 );
}
return( stricmp( SRV( srv1 )->instname, SRV( srv2 )->instname ) );
}
/*
* sortServerByServer
*/
static int sortServerByServer( const void *srv1, const void *srv2 )
{
if( SRV( srv1 ) == NULL ) {
return( 1 );
}
if( SRV( srv2 ) == NULL ) {
return( -1 );
}
return( stricmp( SRV( srv1 )->server, SRV( srv2 )->server ) );
}
static SRV call_cn(string iCommand, deque<string>& iArguments, deque<string>& oValues)
{
// 名前と命令を関連付けたmap
typedef SRV (*Command)(deque<string>&, deque<string>&);
static map<string, Command> theMap;
if ( theMap.empty() )
{
// 初回準備
#define d(iName) \
SRV _##iName(deque<string>&, deque<string>&); \
theMap[ #iName ] = _##iName
// 命令一覧の宣言と関連付け。
d(at);
#undef d
}
// 命令の存在を確認
map<string, Command>::const_iterator i = theMap.find(iCommand);
if ( i==theMap.end() ) {
return SRV(400, string()+"Error: '"+iCommand+"'という名前の命令は定義されていません。");
}
// 実際に呼ぶ
return i->second(iArguments, oValues);
}
SRV _at(deque<string>& iArguments, deque<string>& oValues) {
if ( iArguments.size()==2 ) {
}
else
return SRV(400, "引数が正しくありません。");
return 200;
}
SRV cn::request(deque<string>& iArguments, deque<string>& oValues) {
if ( iArguments.size()<1 )
return SRV(400, "命令が指定されていません");
// 最初の引数は命令名として扱う
string theCommand = iArguments.front();
iArguments.pop_front();
return call_cn(theCommand, iArguments, oValues);
}
BaseResolver::SRVPriorityList* BaseResolver::SRVCacheFactory::get(std::string key, int& ttl, SAS::TrailId trail)
{
TRC_DEBUG("SRV cache factory called for %s", key.c_str());
SRVPriorityList* srv_list = NULL;
DnsResult result = _dns_client->dns_query(key, ns_t_srv, trail);
if (!result.records().empty())
{
// We have a result.
TRC_DEBUG("SRV query returned %d records", result.records().size());
srv_list = new SRVPriorityList;
ttl = result.ttl();
// Sort the records on priority.
std::sort(result.records().begin(), result.records().end(), compare_srv_priority);
// Now rearrange the results in to an SRV priority list (a map of vectors
// for each priority level).
for (std::vector<DnsRRecord*>::const_iterator i = result.records().begin();
i != result.records().end();
++i)
{
DnsSrvRecord* srv_record = (DnsSrvRecord*)(*i);
// Get the appropriate priority list of SRVs.
std::vector<SRV>& plist = (*srv_list)[srv_record->priority()];
// Add a new entry for this SRV.
plist.push_back(SRV());
SRV& srv = plist.back();
srv.target = srv_record->target();
srv.port = srv_record->port();
srv.priority = srv_record->priority();
srv.weight = srv_record->weight();
// Adjust the weight. Any items which have weight 0 are increase to
// weight of one, and non-zero weights are multiplied by 100. This gives
// the right behaviour as per RFC2782 - when all weights are zero we
// round-robin (but still have the ability to blacklist) and when there
// are non-zero weights the zero weighted items have a small (but not
// specified in RFC2782) chance of selection.
srv.weight = (srv.weight == 0) ? 1 : srv.weight * 100;
}
}
else
{
// No results from SRV query, so return no entry with the default TTL
ttl = _default_ttl;
}
return srv_list;
}
static int
openssl_sni_servername_cb (SSL *ssl, int *ad, void *arg)
{
ret_t ret;
int re;
const char *servername;
cherokee_connection_t *conn;
cherokee_buffer_t tmp;
cherokee_server_t *srv = SRV(arg);
cherokee_virtual_server_t *vsrv = NULL;
UNUSED(ad);
/* Get the pointer to the socket
*/
conn = SSL_get_app_data (ssl);
if (unlikely (conn == NULL)) {
LOG_ERROR (CHEROKEE_ERROR_SSL_SOCKET, ssl);
return SSL_TLSEXT_ERR_ALERT_FATAL;
}
cherokee_buffer_init(&tmp);
cherokee_buffer_ensure_size(&tmp, 40);
/* Read the SNI server name
*/
servername = SSL_get_servername (ssl, TLSEXT_NAMETYPE_host_name);
if (servername == NULL) {
/* Set the server name to the IP address if we couldn't get the host name via SNI
*/
cherokee_socket_ntop (&conn->socket, tmp.buf, tmp.size);
TRACE (ENTRIES, "No SNI: Did not provide a server name, using IP='%s' as servername.\n", tmp.buf);
} else {
cherokee_buffer_add (&tmp, servername, strlen(servername));
TRACE (ENTRIES, "SNI: Switching to servername='%s'\n", servername);
}
/* Look up and change the vserver
*/
ret = cherokee_cryptor_libssl_find_vserver(ssl, srv, &tmp, conn);
if (ret != ret_ok) {
re = SSL_TLSEXT_ERR_NOACK;
}
else {
re = SSL_TLSEXT_ERR_OK;
}
cherokee_buffer_mrproper (&tmp);
return re;
}
