rpc_transport.c File Reference

#include "ntstatus.h"
#include "ws2tcpip.h"
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winerror.h"
#include "wininet.h"
#include "wine/winternl.h"
#include "winioctl.h"
#include "rpc.h"
#include "rpcndr.h"
#include "wine/debug.h"
#include "rpc_binding.h"
#include "rpc_assoc.h"
#include "rpc_message.h"
#include "rpc_server.h"
#include "epm_towers.h"

Include dependency graph for rpc_transport.c:

Go to the source code of this file.

Classes
struct	_RpcConnection_np
struct	_RpcServerProtseq_np
struct	_RpcConnection_tcp
struct	_RpcServerProtseq_sock
struct	_RpcHttpAsyncData
struct	authinfo
struct	_RpcConnection_http
struct	_HttpTimerThreadData

Macros
#define	WIN32_NO_STATUS
#define	DEFAULT_NCACN_HTTP_TIMEOUT   (60 * 1000)
#define	HTTP_IDLE_TIME   60000

Typedefs
typedef struct _RpcConnection_np	RpcConnection_np
typedef struct _RpcServerProtseq_np	RpcServerProtseq_np
typedef struct _RpcConnection_tcp	RpcConnection_tcp
typedef struct _RpcServerProtseq_sock	RpcServerProtseq_sock
typedef struct _RpcHttpAsyncData	RpcHttpAsyncData
typedef struct _RpcConnection_http	RpcConnection_http
typedef struct _HttpTimerThreadData	HttpTimerThreadData

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (rpc)
static RpcConnection *	rpcrt4_spawn_connection (RpcConnection *old_connection)
static RpcConnection *	rpcrt4_conn_np_alloc (void)
static HANDLE	get_np_event (RpcConnection_np *connection)
static void	release_np_event (RpcConnection_np *connection, HANDLE event)
static RPC_STATUS	rpcrt4_conn_create_pipe (RpcConnection *conn)
static RPC_STATUS	rpcrt4_conn_open_pipe (RpcConnection *Connection, LPCSTR pname, BOOL wait)
static char *	ncalrpc_pipe_name (const char *endpoint)
static RPC_STATUS	rpcrt4_ncalrpc_open (RpcConnection *Connection)
static RPC_STATUS	rpcrt4_protseq_ncalrpc_open_endpoint (RpcServerProtseq *protseq, const char *endpoint)
static char *	ncacn_pipe_name (const char *endpoint)
static RPC_STATUS	rpcrt4_ncacn_np_open (RpcConnection *Connection)
static RPC_STATUS	rpcrt4_protseq_ncacn_np_open_endpoint (RpcServerProtseq *protseq, const char *endpoint)
static void	rpcrt4_conn_np_handoff (RpcConnection_np *old_npc, RpcConnection_np *new_npc)
static RPC_STATUS	rpcrt4_ncacn_np_handoff (RpcConnection *old_conn, RpcConnection *new_conn)
static RPC_STATUS	is_pipe_listening (const char *pipe_name)
static RPC_STATUS	rpcrt4_ncacn_np_is_server_listening (const char *endpoint)
static RPC_STATUS	rpcrt4_ncalrpc_np_is_server_listening (const char *endpoint)
static RPC_STATUS	rpcrt4_ncalrpc_handoff (RpcConnection *old_conn, RpcConnection *new_conn)
static int	rpcrt4_conn_np_read (RpcConnection *conn, void *buffer, unsigned int count)
static int	rpcrt4_conn_np_write (RpcConnection *conn, const void *buffer, unsigned int count)
static int	rpcrt4_conn_np_close (RpcConnection *conn)
static void	rpcrt4_conn_np_close_read (RpcConnection *conn)
static void	rpcrt4_conn_np_cancel_call (RpcConnection *conn)
static int	rpcrt4_conn_np_wait_for_incoming_data (RpcConnection *conn)
static size_t	rpcrt4_ncacn_np_get_top_of_tower (unsigned char *tower_data, const char *networkaddr, const char *endpoint)
static RPC_STATUS	rpcrt4_ncacn_np_parse_top_of_tower (const unsigned char *tower_data, size_t tower_size, char **networkaddr, char **endpoint)
static RPC_STATUS	rpcrt4_conn_np_impersonate_client (RpcConnection *conn)
static RPC_STATUS	rpcrt4_conn_np_revert_to_self (RpcConnection *conn)
static RpcServerProtseq *	rpcrt4_protseq_np_alloc (void)
static void	rpcrt4_protseq_np_signal_state_changed (RpcServerProtseq *protseq)
static void *	rpcrt4_protseq_np_get_wait_array (RpcServerProtseq *protseq, void *prev_array, unsigned int *count)
static void	rpcrt4_protseq_np_free_wait_array (RpcServerProtseq *protseq, void *array)
static int	rpcrt4_protseq_np_wait_for_new_connection (RpcServerProtseq *protseq, unsigned int count, void *wait_array)
static size_t	rpcrt4_ncalrpc_get_top_of_tower (unsigned char *tower_data, const char *networkaddr, const char *endpoint)
static RPC_STATUS	rpcrt4_ncalrpc_parse_top_of_tower (const unsigned char *tower_data, size_t tower_size, char **networkaddr, char **endpoint)
static BOOL	rpcrt4_ncalrpc_is_authorized (RpcConnection *conn)
static RPC_STATUS	rpcrt4_ncalrpc_authorize (RpcConnection *conn, BOOL first_time, unsigned char *in_buffer, unsigned int in_size, unsigned char *out_buffer, unsigned int *out_size)
static RPC_STATUS	rpcrt4_ncalrpc_secure_packet (RpcConnection *conn, enum secure_packet_direction dir, RpcPktHdr *hdr, unsigned int hdr_size, unsigned char *stub_data, unsigned int stub_data_size, RpcAuthVerifier *auth_hdr, unsigned char *auth_value, unsigned int auth_value_size)
static RPC_STATUS	rpcrt4_ncalrpc_inquire_auth_client (RpcConnection *conn, RPC_AUTHZ_HANDLE *privs, RPC_WSTR *server_princ_name, ULONG *authn_level, ULONG *authn_svc, ULONG *authz_svc, ULONG flags)
static size_t	rpcrt4_ip_tcp_get_top_of_tower (unsigned char *tower_data, const char *networkaddr, unsigned char tcp_protid, const char *endpoint)
static RPC_STATUS	rpcrt4_ip_tcp_parse_top_of_tower (const unsigned char *tower_data, size_t tower_size, char **networkaddr, unsigned char tcp_protid, char **endpoint)
static BOOL	rpcrt4_sock_wait_init (RpcConnection_tcp *tcpc)
static BOOL	rpcrt4_sock_wait_for_recv (RpcConnection_tcp *tcpc)
static BOOL	rpcrt4_sock_wait_for_send (RpcConnection_tcp *tcpc)
static RpcConnection *	rpcrt4_conn_tcp_alloc (void)
static RPC_STATUS	rpcrt4_ncacn_ip_tcp_open (RpcConnection *Connection)
static RPC_STATUS	rpcrt4_protseq_ncacn_ip_tcp_open_endpoint (RpcServerProtseq *protseq, const char *endpoint)
static RPC_STATUS	rpcrt4_conn_tcp_handoff (RpcConnection *old_conn, RpcConnection *new_conn)
static int	rpcrt4_conn_tcp_read (RpcConnection *Connection, void *buffer, unsigned int count)
static int	rpcrt4_conn_tcp_write (RpcConnection *Connection, const void *buffer, unsigned int count)
static int	rpcrt4_conn_tcp_close (RpcConnection *conn)
static void	rpcrt4_conn_tcp_close_read (RpcConnection *conn)
static void	rpcrt4_conn_tcp_cancel_call (RpcConnection *conn)
static RPC_STATUS	rpcrt4_conn_tcp_is_server_listening (const char *endpoint)
static int	rpcrt4_conn_tcp_wait_for_incoming_data (RpcConnection *Connection)
static size_t	rpcrt4_ncacn_ip_tcp_get_top_of_tower (unsigned char *tower_data, const char *networkaddr, const char *endpoint)
static RpcServerProtseq *	rpcrt4_protseq_sock_alloc (void)
static void	rpcrt4_protseq_sock_signal_state_changed (RpcServerProtseq *protseq)
static void *	rpcrt4_protseq_sock_get_wait_array (RpcServerProtseq *protseq, void *prev_array, unsigned int *count)
static void	rpcrt4_protseq_sock_free_wait_array (RpcServerProtseq *protseq, void *array)
static int	rpcrt4_protseq_sock_wait_for_new_connection (RpcServerProtseq *protseq, unsigned int count, void *wait_array)
static RPC_STATUS	rpcrt4_ncacn_ip_tcp_parse_top_of_tower (const unsigned char *tower_data, size_t tower_size, char **networkaddr, char **endpoint)
static ULONG	RpcHttpAsyncData_AddRef (RpcHttpAsyncData *data)
static ULONG	RpcHttpAsyncData_Release (RpcHttpAsyncData *data)
static void	prepare_async_request (RpcHttpAsyncData *async_data)
static RPC_STATUS	wait_async_request (RpcHttpAsyncData *async_data, BOOL call_ret, HANDLE cancel_event)
static RpcConnection *	rpcrt4_ncacn_http_alloc (void)
static VOID	rpcrt4_http_keep_connection_active_timer_proc (PVOID param, BOOLEAN dummy)
static DWORD	rpcrt4_http_timer_calc_timeout (DWORD *last_sent_time)
static DWORD CALLBACK	rpcrt4_http_timer_thread (PVOID param)
static VOID WINAPI	rpcrt4_http_internet_callback (HINTERNET hInternet, DWORD_PTR dwContext, DWORD dwInternetStatus, LPVOID lpvStatusInformation, DWORD dwStatusInformationLength)
static RPC_STATUS	rpcrt4_http_check_response (HINTERNET hor)
static RPC_STATUS	rpcrt4_http_internet_connect (RpcConnection_http *httpc)
static int	rpcrt4_http_async_read (HINTERNET req, RpcHttpAsyncData *async_data, HANDLE cancel_event, void *buffer, unsigned int count)
static RPC_STATUS	send_echo_request (HINTERNET req, RpcHttpAsyncData *async_data, HANDLE cancel_event)
static RPC_STATUS	insert_content_length_header (HINTERNET request, DWORD len)
static RPC_STATUS	rpcrt4_http_prepare_in_pipe (HINTERNET in_request, RpcHttpAsyncData *async_data, HANDLE cancel_event, const UUID *connection_uuid, const UUID *in_pipe_uuid, const UUID *association_uuid, BOOL authorized)
static RPC_STATUS	rpcrt4_http_read_http_packet (HINTERNET request, RpcHttpAsyncData *async_data, HANDLE cancel_event, RpcPktHdr *hdr, BYTE **data)
static RPC_STATUS	rpcrt4_http_prepare_out_pipe (HINTERNET out_request, RpcHttpAsyncData *async_data, HANDLE cancel_event, const UUID *connection_uuid, const UUID *out_pipe_uuid, ULONG *flow_control_increment, BOOL authorized)
static UINT	encode_base64 (const char *bin, unsigned int len, WCHAR *base64)
static char	decode_char (WCHAR c)
static unsigned int	decode_base64 (const WCHAR *base64, unsigned int len, char *buf)
static struct authinfo *	alloc_authinfo (void)
static void	destroy_authinfo (struct authinfo *info)
static DWORD	auth_scheme_from_header (const WCHAR *header)
static BOOL	get_authvalue (HINTERNET request, DWORD scheme, WCHAR *buffer, DWORD buflen)
static RPC_STATUS	do_authorization (HINTERNET request, SEC_WCHAR *servername, const RPC_HTTP_TRANSPORT_CREDENTIALS_W *creds, struct authinfo **auth_ptr)
static RPC_STATUS	insert_authorization_header (HINTERNET request, ULONG scheme, char *data, int data_len)
static void	drain_content (HINTERNET request, RpcHttpAsyncData *async_data, HANDLE cancel_event)
static RPC_STATUS	authorize_request (RpcConnection_http *httpc, HINTERNET request)
static BOOL	has_credentials (RpcConnection_http *httpc)
static BOOL	is_secure (RpcConnection_http *httpc)
static RPC_STATUS	set_auth_cookie (RpcConnection_http *httpc, const WCHAR *value)
static RPC_STATUS	rpcrt4_ncacn_http_open (RpcConnection *Connection)
static RPC_STATUS	rpcrt4_ncacn_http_handoff (RpcConnection *old_conn, RpcConnection *new_conn)
static int	rpcrt4_ncacn_http_read (RpcConnection *Connection, void *buffer, unsigned int count)
static RPC_STATUS	rpcrt4_ncacn_http_receive_fragment (RpcConnection *Connection, RpcPktHdr **Header, void **Payload)
static int	rpcrt4_ncacn_http_write (RpcConnection *Connection, const void *buffer, unsigned int count)
static int	rpcrt4_ncacn_http_close (RpcConnection *Connection)
static void	rpcrt4_ncacn_http_close_read (RpcConnection *conn)
static void	rpcrt4_ncacn_http_cancel_call (RpcConnection *Connection)
static RPC_STATUS	rpcrt4_ncacn_http_is_server_listening (const char *endpoint)
static int	rpcrt4_ncacn_http_wait_for_incoming_data (RpcConnection *Connection)
static size_t	rpcrt4_ncacn_http_get_top_of_tower (unsigned char *tower_data, const char *networkaddr, const char *endpoint)
static RPC_STATUS	rpcrt4_ncacn_http_parse_top_of_tower (const unsigned char *tower_data, size_t tower_size, char **networkaddr, char **endpoint)
const struct protseq_ops *	rpcrt4_get_protseq_ops (const char *protseq)
static const struct connection_ops *	rpcrt4_get_conn_protseq_ops (const char *protseq)
RPC_STATUS	RPCRT4_OpenClientConnection (RpcConnection *Connection)
RPC_STATUS	RPCRT4_CloseConnection (RpcConnection *Connection)
RPC_STATUS	RPCRT4_CreateConnection (RpcConnection **Connection, BOOL server, LPCSTR Protseq, LPCSTR NetworkAddr, LPCSTR Endpoint, LPCWSTR NetworkOptions, RpcAuthInfo *AuthInfo, RpcQualityOfService *QOS, LPCWSTR CookieAuth)
void	rpcrt4_conn_release_and_wait (RpcConnection *connection)
RpcConnection *	RPCRT4_GrabConnection (RpcConnection *connection)
void	RPCRT4_ReleaseConnection (RpcConnection *connection)
RPC_STATUS	RPCRT4_IsServerListening (const char *protseq, const char *endpoint)
RPC_STATUS	RpcTransport_GetTopOfTower (unsigned char *tower_data, size_t *tower_size, const char *protseq, const char *networkaddr, const char *endpoint)
RPC_STATUS	RpcTransport_ParseTopOfTower (const unsigned char *tower_data, size_t tower_size, char **protseq, char **networkaddr, char **endpoint)
RPC_STATUS WINAPI	RpcNetworkIsProtseqValidW (RPC_WSTR protseq)
RPC_STATUS WINAPI	RpcNetworkIsProtseqValidA (RPC_CSTR protseq)
RPC_STATUS WINAPI	RpcProtseqVectorFreeA (RPC_PROTSEQ_VECTORA **protseqs)
RPC_STATUS WINAPI	RpcProtseqVectorFreeW (RPC_PROTSEQ_VECTORW **protseqs)
RPC_STATUS WINAPI	RpcNetworkInqProtseqsW (RPC_PROTSEQ_VECTORW **protseqs)
RPC_STATUS WINAPI	RpcNetworkInqProtseqsA (RPC_PROTSEQ_VECTORA **protseqs)

Variables
static const WCHAR	basicW [] = {'B','a','s','i','c',0}
static const WCHAR	ntlmW [] = {'N','T','L','M',0}
static const WCHAR	passportW [] = {'P','a','s','s','p','o','r','t',0}
static const WCHAR	digestW [] = {'D','i','g','e','s','t',0}
static const WCHAR	negotiateW [] = {'N','e','g','o','t','i','a','t','e',0}
struct {
const WCHAR *   str
unsigned int   len
DWORD   scheme
}	auth_schemes []
static const struct connection_ops	conn_protseq_list []
static const struct protseq_ops	protseq_list []

Macro Definition Documentation

DEFAULT_NCACN_HTTP_TIMEOUT

#define DEFAULT_NCACN_HTTP_TIMEOUT   (60 * 1000)

Definition at line 57 of file rpc_transport.c.

HTTP_IDLE_TIME

#define HTTP_IDLE_TIME   60000

Definition at line 1975 of file rpc_transport.c.

WIN32_NO_STATUS

#define WIN32_NO_STATUS

Definition at line 27 of file rpc_transport.c.

Typedef Documentation

HttpTimerThreadData

typedef struct _HttpTimerThreadData HttpTimerThreadData

RpcConnection_http

typedef struct _RpcConnection_http RpcConnection_http

RpcConnection_np

typedef struct _RpcConnection_np RpcConnection_np

RpcConnection_tcp

typedef struct _RpcConnection_tcp RpcConnection_tcp

RpcHttpAsyncData

typedef struct _RpcHttpAsyncData RpcHttpAsyncData

RpcServerProtseq_np

typedef struct _RpcServerProtseq_np RpcServerProtseq_np

RpcServerProtseq_sock

typedef struct _RpcServerProtseq_sock RpcServerProtseq_sock

Function Documentation

alloc_authinfo()

static struct authinfo * alloc_authinfo ( void  )

static

Definition at line 2685 of file rpc_transport.c.

{
    struct authinfo *ret;
 
    if (!(ret = HeapAlloc(GetProcessHeap(), 0, sizeof(*ret) ))) return NULL;
 
    SecInvalidateHandle(&ret->cred);
    SecInvalidateHandle(&ret->ctx);
    memset(&ret->exp, 0, sizeof(ret->exp));
    ret->scheme    = 0;
    ret->attr      = 0;
    ret->max_token = 0;
    ret->data      = NULL;
    ret->data_len  = 0;
    ret->finished  = FALSE;
    return ret;
}

Referenced by do_authorization().

auth_scheme_from_header()

static DWORD auth_scheme_from_header ( const WCHAR *  header )

static

Definition at line 2737 of file rpc_transport.c.

{
    unsigned int i;
    for (i = 0; i < ARRAY_SIZE(auth_schemes); i++)
    {
        if (!_wcsnicmp( header, auth_schemes[i].str, auth_schemes[i].len ) &&
            (header[auth_schemes[i].len] == ' ' || !header[auth_schemes[i].len])) return auth_schemes[i].scheme;
    }
    return 0;
}

Referenced by do_authorization(), and get_authvalue().

authorize_request()

static RPC_STATUS authorize_request ( RpcConnection_http *  httpc, HINTERNET  request  )

static

Definition at line 2969 of file rpc_transport.c.

{
    static const WCHAR authW[] = {'A','u','t','h','o','r','i','z','a','t','i','o','n',':','\r','\n',0};
    struct authinfo *info = NULL;
    RPC_STATUS status;
    BOOL ret;
 
    for (;;)
    {
        status = do_authorization(request, httpc->servername, httpc->common.QOS->qos->u.HttpCredentials, &info);
        if (status != RPC_S_OK) break;
 
        status = insert_authorization_header(request, info->scheme, info->data, info->data_len);
        if (status != RPC_S_OK) break;
 
        prepare_async_request(httpc->async_data);
        ret = HttpSendRequestW(request, NULL, 0, NULL, 0);
        status = wait_async_request(httpc->async_data, ret, httpc->cancel_event);
        if (status != RPC_S_OK || info->finished) break;
 
        status = rpcrt4_http_check_response(request);
        if (status != RPC_S_OK && status != ERROR_ACCESS_DENIED) break;
        drain_content(request, httpc->async_data, httpc->cancel_event);
    }
 
    if (info->scheme != RPC_C_HTTP_AUTHN_SCHEME_BASIC)
        HttpAddRequestHeadersW(request, authW, -1, HTTP_ADDREQ_FLAG_REPLACE | HTTP_ADDREQ_FLAG_ADD);
 
    destroy_authinfo(info);
    return status;
}

Referenced by rpcrt4_ncacn_http_open().

decode_base64()

static unsigned int decode_base64 ( const WCHAR *  base64, unsigned int  len, char *  buf  )

static

Definition at line 2623 of file rpc_transport.c.

{
    unsigned int i = 0;
    char c0, c1, c2, c3;
    const WCHAR *p = base64;
 
    while (len > 4)
    {
        if ((c0 = decode_char( p[0] )) > 63) return 0;
        if ((c1 = decode_char( p[1] )) > 63) return 0;
        if ((c2 = decode_char( p[2] )) > 63) return 0;
        if ((c3 = decode_char( p[3] )) > 63) return 0;
 
        if (buf)
        {
            buf[i + 0] = (c0 << 2) | (c1 >> 4);
            buf[i + 1] = (c1 << 4) | (c2 >> 2);
            buf[i + 2] = (c2 << 6) |  c3;
        }
        len -= 4;
        i += 3;
        p += 4;
    }
    if (p[2] == '=')
    {
        if ((c0 = decode_char( p[0] )) > 63) return 0;
        if ((c1 = decode_char( p[1] )) > 63) return 0;
 
        if (buf) buf[i] = (c0 << 2) | (c1 >> 4);
        i++;
    }
    else if (p[3] == '=')
    {
        if ((c0 = decode_char( p[0] )) > 63) return 0;
        if ((c1 = decode_char( p[1] )) > 63) return 0;
        if ((c2 = decode_char( p[2] )) > 63) return 0;
 
        if (buf)
        {
            buf[i + 0] = (c0 << 2) | (c1 >> 4);
            buf[i + 1] = (c1 << 4) | (c2 >> 2);
        }
        i += 2;
    }
    else
    {
        if ((c0 = decode_char( p[0] )) > 63) return 0;
        if ((c1 = decode_char( p[1] )) > 63) return 0;
        if ((c2 = decode_char( p[2] )) > 63) return 0;
        if ((c3 = decode_char( p[3] )) > 63) return 0;
 
        if (buf)
        {
            buf[i + 0] = (c0 << 2) | (c1 >> 4);
            buf[i + 1] = (c1 << 4) | (c2 >> 2);
            buf[i + 2] = (c2 << 6) |  c3;
        }
        i += 3;
    }
    return i;
}

Referenced by do_authorization().

decode_char()

static char decode_char ( WCHAR  c )

inlinestatic

Definition at line 2613 of file rpc_transport.c.

{
    if (c >= 'A' && c <= 'Z') return c - 'A';
    if (c >= 'a' && c <= 'z') return c - 'a' + 26;
    if (c >= '0' && c <= '9') return c - '0' + 52;
    if (c == '+') return 62;
    if (c == '/') return 63;
    return 64;
}

Referenced by decode_base64().

destroy_authinfo()

static void destroy_authinfo ( struct authinfo *  info )

static

Definition at line 2703 of file rpc_transport.c.

{
    if (!info) return;
 
    if (SecIsValidHandle(&info->ctx))
        DeleteSecurityContext(&info->ctx);
    if (SecIsValidHandle(&info->cred))
        FreeCredentialsHandle(&info->cred);
 
    HeapFree(GetProcessHeap(), 0, info->data);
    HeapFree(GetProcessHeap(), 0, info);
}

Referenced by authorize_request(), do_authorization(), and request_destroy().

do_authorization()

static RPC_STATUS do_authorization ( HINTERNET  request, SEC_WCHAR *  servername, const RPC_HTTP_TRANSPORT_CREDENTIALS_W *  creds, struct authinfo **  auth_ptr  )

static

Definition at line 2760 of file rpc_transport.c.

{
    struct authinfo *info = *auth_ptr;
    SEC_WINNT_AUTH_IDENTITY_W *id = creds->TransportCredentials;
    RPC_STATUS status = RPC_S_SERVER_UNAVAILABLE;
 
    if ((!info && !(info = alloc_authinfo()))) return RPC_S_SERVER_UNAVAILABLE;
 
    switch (creds->AuthnSchemes[0])
    {
    case RPC_C_HTTP_AUTHN_SCHEME_BASIC:
    {
        int userlen = WideCharToMultiByte(CP_UTF8, 0, id->User, id->UserLength, NULL, 0, NULL, NULL);
        int passlen = WideCharToMultiByte(CP_UTF8, 0, id->Password, id->PasswordLength, NULL, 0, NULL, NULL);
 
        info->data_len = userlen + passlen + 1;
        if (!(info->data = HeapAlloc(GetProcessHeap(), 0, info->data_len)))
        {
            status = RPC_S_OUT_OF_MEMORY;
            break;
        }
        WideCharToMultiByte(CP_UTF8, 0, id->User, id->UserLength, info->data, userlen, NULL, NULL);
        info->data[userlen] = ':';
        WideCharToMultiByte(CP_UTF8, 0, id->Password, id->PasswordLength, info->data + userlen + 1, passlen, NULL, NULL);
 
        info->scheme   = RPC_C_HTTP_AUTHN_SCHEME_BASIC;
        info->finished = TRUE;
        status = RPC_S_OK;
        break;
    }
    case RPC_C_HTTP_AUTHN_SCHEME_NTLM:
    case RPC_C_HTTP_AUTHN_SCHEME_NEGOTIATE:
    {
 
        static SEC_WCHAR ntlmW[] = {'N','T','L','M',0}, negotiateW[] = {'N','e','g','o','t','i','a','t','e',0};
        SECURITY_STATUS ret;
        SecBufferDesc out_desc, in_desc;
        SecBuffer out, in;
        ULONG flags = ISC_REQ_CONNECTION|ISC_REQ_USE_DCE_STYLE|ISC_REQ_MUTUAL_AUTH|ISC_REQ_DELEGATE;
        SEC_WCHAR *scheme;
        int scheme_len;
        const WCHAR *p;
        WCHAR auth_value[2048];
        DWORD size = sizeof(auth_value);
        BOOL first = FALSE;
 
        if (creds->AuthnSchemes[0] == RPC_C_HTTP_AUTHN_SCHEME_NTLM) scheme = ntlmW;
        else scheme = negotiateW;
        scheme_len = lstrlenW( scheme );
 
        if (!*auth_ptr)
        {
            TimeStamp exp;
            SecPkgInfoW *pkg_info;
 
            ret = AcquireCredentialsHandleW(NULL, scheme, SECPKG_CRED_OUTBOUND, NULL, id, NULL, NULL, &info->cred, &exp);
            if (ret != SEC_E_OK) break;
 
            ret = QuerySecurityPackageInfoW(scheme, &pkg_info);
            if (ret != SEC_E_OK) break;
 
            info->max_token = pkg_info->cbMaxToken;
            FreeContextBuffer(pkg_info);
            first = TRUE;
        }
        else
        {
            if (info->finished || !get_authvalue(request, creds->AuthnSchemes[0], auth_value, size)) break;
            if (auth_scheme_from_header(auth_value) != info->scheme)
            {
                ERR("authentication scheme changed\n");
                break;
            }
        }
        in.BufferType = SECBUFFER_TOKEN;
        in.cbBuffer   = 0;
        in.pvBuffer   = NULL;
 
        in_desc.ulVersion = 0;
        in_desc.cBuffers  = 1;
        in_desc.pBuffers  = ∈
 
        p = auth_value + scheme_len;
        if (!first && *p == ' ')
        {
            int len = lstrlenW(++p);
            in.cbBuffer = decode_base64(p, len, NULL);
            if (!(in.pvBuffer = HeapAlloc(GetProcessHeap(), 0, in.cbBuffer))) break;
            decode_base64(p, len, in.pvBuffer);
        }
        out.BufferType = SECBUFFER_TOKEN;
        out.cbBuffer   = info->max_token;
        if (!(out.pvBuffer = HeapAlloc(GetProcessHeap(), 0, out.cbBuffer)))
        {
            HeapFree(GetProcessHeap(), 0, in.pvBuffer);
            break;
        }
        out_desc.ulVersion = 0;
        out_desc.cBuffers  = 1;
        out_desc.pBuffers  = &out;
 
        ret = InitializeSecurityContextW(first ? &info->cred : NULL, first ? NULL : &info->ctx,
                                         first ? servername : NULL, flags, 0, SECURITY_NETWORK_DREP,
                                         in.pvBuffer ? &in_desc : NULL, 0, &info->ctx, &out_desc,
                                         &info->attr, &info->exp);
        HeapFree(GetProcessHeap(), 0, in.pvBuffer);
        if (ret == SEC_E_OK)
        {
            HeapFree(GetProcessHeap(), 0, info->data);
            info->data     = out.pvBuffer;
            info->data_len = out.cbBuffer;
            info->finished = TRUE;
            TRACE("sending last auth packet\n");
            status = RPC_S_OK;
        }
        else if (ret == SEC_I_CONTINUE_NEEDED)
        {
            HeapFree(GetProcessHeap(), 0, info->data);
            info->data     = out.pvBuffer;
            info->data_len = out.cbBuffer;
            TRACE("sending next auth packet\n");
            status = RPC_S_OK;
        }
        else
        {
            ERR("InitializeSecurityContextW failed with error 0x%08x\n", ret);
            HeapFree(GetProcessHeap(), 0, out.pvBuffer);
            break;
        }
        info->scheme = creds->AuthnSchemes[0];
        break;
    }
    default:
        FIXME("scheme %u not supported\n", creds->AuthnSchemes[0]);
        break;
    }
 
    if (status != RPC_S_OK)
    {
        destroy_authinfo(info);
        *auth_ptr = NULL;
        return status;
    }
    *auth_ptr = info;
    return RPC_S_OK;
}

Referenced by authorize_request().

drain_content()

static void drain_content ( HINTERNET  request, RpcHttpAsyncData *  async_data, HANDLE  cancel_event  )

static

Definition at line 2954 of file rpc_transport.c.

{
    DWORD count, len = 0, size = sizeof(len);
    char buf[2048];
 
    HttpQueryInfoW(request, HTTP_QUERY_FLAG_NUMBER|HTTP_QUERY_CONTENT_LENGTH, &len, &size, NULL);
    if (!len) return;
    for (;;)
    {
        count = min(sizeof(buf), len);
        if (rpcrt4_http_async_read(request, async_data, cancel_event, buf, count) <= 0) return;
        len -= count;
    }
}

Referenced by authorize_request(), and rpcrt4_ncacn_http_open().

encode_base64()

static UINT encode_base64 ( const char *  bin, unsigned int  len, WCHAR *  base64  )

static

Definition at line 2573 of file rpc_transport.c.

{
    static const char enc[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
    UINT i = 0, x;
 
    while (len > 0)
    {
        /* first 6 bits, all from bin[0] */
        base64[i++] = enc[(bin[0] & 0xfc) >> 2];
        x = (bin[0] & 3) << 4;
 
        /* next 6 bits, 2 from bin[0] and 4 from bin[1] */
        if (len == 1)
        {
            base64[i++] = enc[x];
            base64[i++] = '=';
            base64[i++] = '=';
            break;
        }
        base64[i++] = enc[x | ((bin[1] & 0xf0) >> 4)];
        x = (bin[1] & 0x0f) << 2;
 
        /* next 6 bits 4 from bin[1] and 2 from bin[2] */
        if (len == 2)
        {
            base64[i++] = enc[x];
            base64[i++] = '=';
            break;
        }
        base64[i++] = enc[x | ((bin[2] & 0xc0) >> 6)];
 
        /* last 6 bits, all from bin [2] */
        base64[i++] = enc[bin[2] & 0x3f];
        bin += 3;
        len -= 3;
    }
    base64[i] = 0;
    return i;
}

Referenced by insert_authorization_header().

get_authvalue()

static BOOL get_authvalue ( HINTERNET  request, DWORD  scheme, WCHAR *  buffer, DWORD  buflen  )

static

Definition at line 2748 of file rpc_transport.c.

{
    DWORD len, index = 0;
    for (;;)
    {
        len = buflen;
        if (!HttpQueryInfoW(request, HTTP_QUERY_WWW_AUTHENTICATE, buffer, &len, &index)) return FALSE;
        if (auth_scheme_from_header(buffer) == scheme) break;
    }
    return TRUE;
}

Referenced by do_authorization().

get_np_event()

static HANDLE get_np_event ( RpcConnection_np *  connection )

static

Definition at line 97 of file rpc_transport.c.

{
    HANDLE event = InterlockedExchangePointer(&connection->event_cache, NULL);
    return event ? event : CreateEventW(NULL, TRUE, FALSE, NULL);
}

Referenced by rpcrt4_conn_np_read(), rpcrt4_conn_np_write(), and rpcrt4_protseq_np_get_wait_array().

has_credentials()

static BOOL has_credentials ( RpcConnection_http *  httpc )

static

Definition at line 3001 of file rpc_transport.c.

{
    RPC_HTTP_TRANSPORT_CREDENTIALS_W *creds;
    SEC_WINNT_AUTH_IDENTITY_W *id;
 
    if (!httpc->common.QOS || httpc->common.QOS->qos->AdditionalSecurityInfoType != RPC_C_AUTHN_INFO_TYPE_HTTP)
        return FALSE;
 
    creds = httpc->common.QOS->qos->u.HttpCredentials;
    if (creds->AuthenticationTarget != RPC_C_HTTP_AUTHN_TARGET_SERVER || !creds->NumberOfAuthnSchemes)
        return FALSE;
 
    id = creds->TransportCredentials;
    if (!id || !id->User || !id->Password) return FALSE;
 
    return TRUE;
}

Referenced by rpcrt4_ncacn_http_open().

insert_authorization_header()

static RPC_STATUS insert_authorization_header ( HINTERNET  request, ULONG  scheme, char *  data, int  data_len  )

static

Definition at line 2908 of file rpc_transport.c.

{
    static const WCHAR authW[] = {'A','u','t','h','o','r','i','z','a','t','i','o','n',':',' '};
    static const WCHAR basicW[] = {'B','a','s','i','c',' '};
    static const WCHAR negotiateW[] = {'N','e','g','o','t','i','a','t','e',' '};
    static const WCHAR ntlmW[] = {'N','T','L','M',' '};
    int scheme_len, auth_len = ARRAY_SIZE(authW), len = ((data_len + 2) * 4) / 3;
    const WCHAR *scheme_str;
    WCHAR *header, *ptr;
    RPC_STATUS status = RPC_S_SERVER_UNAVAILABLE;
 
    switch (scheme)
    {
    case RPC_C_HTTP_AUTHN_SCHEME_BASIC:
        scheme_str = basicW;
        scheme_len = ARRAY_SIZE(basicW);
        break;
    case RPC_C_HTTP_AUTHN_SCHEME_NEGOTIATE:
        scheme_str = negotiateW;
        scheme_len = ARRAY_SIZE(negotiateW);
        break;
    case RPC_C_HTTP_AUTHN_SCHEME_NTLM:
        scheme_str = ntlmW;
        scheme_len = ARRAY_SIZE(ntlmW);
        break;
    default:
        ERR("unknown scheme %u\n", scheme);
        return RPC_S_SERVER_UNAVAILABLE;
    }
    if ((header = HeapAlloc(GetProcessHeap(), 0, (auth_len + scheme_len + len + 2) * sizeof(WCHAR))))
    {
        memcpy(header, authW, auth_len * sizeof(WCHAR));
        ptr = header + auth_len;
        memcpy(ptr, scheme_str, scheme_len * sizeof(WCHAR));
        ptr += scheme_len;
        len = encode_base64(data, data_len, ptr);
        ptr[len++] = '\r';
        ptr[len++] = '\n';
        ptr[len] = 0;
        if (HttpAddRequestHeadersW(request, header, -1, HTTP_ADDREQ_FLAG_ADD|HTTP_ADDREQ_FLAG_REPLACE))
            status = RPC_S_OK;
        HeapFree(GetProcessHeap(), 0, header);
    }
    return status;
}

Referenced by authorize_request().

insert_content_length_header()

static RPC_STATUS insert_content_length_header ( HINTERNET  request, DWORD  len  )

static

Definition at line 2397 of file rpc_transport.c.

{
    static const WCHAR fmtW[] =
        {'C','o','n','t','e','n','t','-','L','e','n','g','t','h',':',' ','%','u','\r','\n',0};
    WCHAR header[ARRAY_SIZE(fmtW) + 10];
 
    swprintf(header, fmtW, len);
    if ((HttpAddRequestHeadersW(request, header, -1, HTTP_ADDREQ_FLAG_REPLACE | HTTP_ADDREQ_FLAG_ADD))) return RPC_S_OK;
    return RPC_S_SERVER_UNAVAILABLE;
}

Referenced by rpcrt4_http_prepare_in_pipe(), and rpcrt4_http_prepare_out_pipe().

is_pipe_listening()

static RPC_STATUS is_pipe_listening ( const char *  pipe_name )

static

Definition at line 637 of file rpc_transport.c.

{
  return WaitNamedPipeA(pipe_name, 1) ? RPC_S_OK : RPC_S_NOT_LISTENING;
}

Referenced by rpcrt4_ncacn_np_is_server_listening(), and rpcrt4_ncalrpc_np_is_server_listening().

is_secure()

static BOOL is_secure ( RpcConnection_http *  httpc )

static

Definition at line 3019 of file rpc_transport.c.

{
    return httpc->common.QOS &&
           (httpc->common.QOS->qos->AdditionalSecurityInfoType == RPC_C_AUTHN_INFO_TYPE_HTTP) &&
           (httpc->common.QOS->qos->u.HttpCredentials->Flags & RPC_C_HTTP_FLAG_USE_SSL);
}

Referenced by open_connection(), rpcrt4_ncacn_http_open(), and set_auth_cookie().

ncacn_pipe_name()

static char * ncacn_pipe_name ( const char *  endpoint )

static

Definition at line 503 of file rpc_transport.c.

{
#ifdef __REACTOS__
  static const char prefix[] = "\\\\";
  static const char local[] = ".";
  char ComputerName[MAX_COMPUTERNAME_LENGTH + 1];
  DWORD bufLen = ARRAY_SIZE(ComputerName);
#else
  static const char prefix[] = "\\\\.";
#endif
  char *pipe_name;
 
#ifdef __REACTOS__
  if (server != NULL && *server != 0)
  {
    /* Trim any leading UNC server prefix. */
    if (server[0] == '\\' && server[1] == '\\')
      server += 2;
 
    /* If the server represents the local computer, use instead
     * the local prefix to avoid a round in UNC name resolution. */
    if (GetComputerNameA(ComputerName, &bufLen) &&
        (stricmp(ComputerName, server) == 0))
    {
      server = local;
    }
  }
  else
  {
    server = local;
  }
#endif
 
  /* protseq=ncacn_np: named pipes */
#ifdef __REACTOS__
  pipe_name = I_RpcAllocate(sizeof(prefix) + strlen(server) + strlen(endpoint));
  strcpy(pipe_name, prefix);
  strcat(pipe_name, server);
  strcat(pipe_name, endpoint);
#else
  pipe_name = I_RpcAllocate(sizeof(prefix) + strlen(endpoint));
  strcat(strcpy(pipe_name, prefix), endpoint);
#endif
  return pipe_name;
}

Referenced by rpcrt4_ncacn_np_is_server_listening(), rpcrt4_ncacn_np_open(), and rpcrt4_protseq_ncacn_np_open_endpoint().

ncalrpc_pipe_name()

static char * ncalrpc_pipe_name ( const char *  endpoint )

static

Definition at line 439 of file rpc_transport.c.

{
  static const char prefix[] = "\\\\.\\pipe\\lrpc\\";
  char *pipe_name;
 
  /* protseq=ncalrpc: supposed to use NT LPC ports,
   * but we'll implement it with named pipes for now */
  pipe_name = I_RpcAllocate(sizeof(prefix) + strlen(endpoint));
  strcat(strcpy(pipe_name, prefix), endpoint);
  return pipe_name;
}

Referenced by rpcrt4_ncalrpc_np_is_server_listening(), rpcrt4_ncalrpc_open(), and rpcrt4_protseq_ncalrpc_open_endpoint().

prepare_async_request()

static void prepare_async_request ( RpcHttpAsyncData *  async_data )

static

Definition at line 2009 of file rpc_transport.c.

{
    ResetEvent(async_data->completion_event);
    RpcHttpAsyncData_AddRef(async_data);
}

Referenced by authorize_request(), rpcrt4_http_async_read(), rpcrt4_http_prepare_in_pipe(), rpcrt4_http_prepare_out_pipe(), rpcrt4_ncacn_http_wait_for_incoming_data(), and send_echo_request().

release_np_event()

static void release_np_event ( RpcConnection_np *  connection, HANDLE  event  )

static

Definition at line 103 of file rpc_transport.c.

{
    event = InterlockedExchangePointer(&connection->event_cache, event);
    if (event)
        CloseHandle(event);
}

Referenced by rpcrt4_conn_np_read(), rpcrt4_conn_np_write(), and rpcrt4_protseq_np_wait_for_new_connection().

RpcHttpAsyncData_AddRef()

static ULONG RpcHttpAsyncData_AddRef ( RpcHttpAsyncData *  data )

static

Definition at line 1989 of file rpc_transport.c.

{
    return InterlockedIncrement(&data->refs);
}

Referenced by prepare_async_request().

RpcHttpAsyncData_Release()

static ULONG RpcHttpAsyncData_Release ( RpcHttpAsyncData *  data )

static

Definition at line 1994 of file rpc_transport.c.

{
    ULONG refs = InterlockedDecrement(&data->refs);
    if (!refs)
    {
        TRACE("destroying async data %p\n", data);
        CloseHandle(data->completion_event);
        HeapFree(GetProcessHeap(), 0, data->inet_buffers.lpvBuffer);
        data->cs.DebugInfo->Spare[0] = 0;
        DeleteCriticalSection(&data->cs);
        HeapFree(GetProcessHeap(), 0, data);
    }
    return refs;
}

Referenced by rpcrt4_http_internet_callback(), rpcrt4_ncacn_http_close(), and wait_async_request().

RpcNetworkInqProtseqsA()

RPC_STATUS WINAPI RpcNetworkInqProtseqsA

(

RPC_PROTSEQ_VECTORA **

protseqs

)

Definition at line 3971 of file rpc_transport.c.

{
  RPC_PROTSEQ_VECTORA *pvector;
  unsigned int i;
  RPC_STATUS status = RPC_S_OUT_OF_MEMORY;
 
  TRACE("(%p)\n", protseqs);
 
  *protseqs = HeapAlloc(GetProcessHeap(), 0, sizeof(RPC_PROTSEQ_VECTORW)+(sizeof(unsigned char*)*ARRAY_SIZE(protseq_list)));
  if (!*protseqs)
    goto end;
  pvector = *protseqs;
  pvector->Count = 0;
  for (i = 0; i < ARRAY_SIZE(protseq_list); i++)
  {
    pvector->Protseq[i] = HeapAlloc(GetProcessHeap(), 0, strlen(protseq_list[i].name)+1);
    if (pvector->Protseq[i] == NULL)
      goto end;
    strcpy((char*)pvector->Protseq[i], protseq_list[i].name);
    pvector->Count++;
  }
  status = RPC_S_OK;
 
end:
  if (status != RPC_S_OK)
    RpcProtseqVectorFreeA(protseqs);
  return status;
}

RpcNetworkInqProtseqsW()

RPC_STATUS WINAPI RpcNetworkInqProtseqsW

(

RPC_PROTSEQ_VECTORW **

protseqs

)

Definition at line 3938 of file rpc_transport.c.

{
  RPC_PROTSEQ_VECTORW *pvector;
  unsigned int i;
  RPC_STATUS status = RPC_S_OUT_OF_MEMORY;
 
  TRACE("(%p)\n", protseqs);
 
  *protseqs = HeapAlloc(GetProcessHeap(), 0, sizeof(RPC_PROTSEQ_VECTORW)+(sizeof(unsigned short*)*ARRAY_SIZE(protseq_list)));
  if (!*protseqs)
    goto end;
  pvector = *protseqs;
  pvector->Count = 0;
  for (i = 0; i < ARRAY_SIZE(protseq_list); i++)
  {
    pvector->Protseq[i] = HeapAlloc(GetProcessHeap(), 0, (strlen(protseq_list[i].name)+1)*sizeof(unsigned short));
    if (pvector->Protseq[i] == NULL)
      goto end;
    MultiByteToWideChar(CP_ACP, 0, (CHAR*)protseq_list[i].name, -1,
      (WCHAR*)pvector->Protseq[i], strlen(protseq_list[i].name) + 1);
    pvector->Count++;
  }
  status = RPC_S_OK;
 
end:
  if (status != RPC_S_OK)
    RpcProtseqVectorFreeW(protseqs);
  return status;
}

RpcNetworkIsProtseqValidA()

RPC_STATUS WINAPI RpcNetworkIsProtseqValidA

(

RPC_CSTR

protseq

)

Definition at line 3886 of file rpc_transport.c.

{
  UNICODE_STRING protseqW;
 
  if (RtlCreateUnicodeStringFromAsciiz(&protseqW, (char*)protseq))
  {
    RPC_STATUS ret = RpcNetworkIsProtseqValidW(protseqW.Buffer);
    RtlFreeUnicodeString(&protseqW);
    return ret;
  }
  return RPC_S_OUT_OF_MEMORY;
}

Referenced by test_rpc_ncacn_ip_tcp().

RpcNetworkIsProtseqValidW()

RPC_STATUS WINAPI RpcNetworkIsProtseqValidW

(

RPC_WSTR

protseq

)

Definition at line 3869 of file rpc_transport.c.

{
  char ps[0x10];
 
  WideCharToMultiByte(CP_ACP, 0, protseq, -1,
                      ps, sizeof ps, NULL, NULL);
  if (rpcrt4_get_conn_protseq_ops(ps))
    return RPC_S_OK;
 
  FIXME("Unknown protseq %s\n", debugstr_w(protseq));
 
  return RPC_S_INVALID_RPC_PROTSEQ;
}

Referenced by RpcNetworkIsProtseqValidA().

RpcProtseqVectorFreeA()

RPC_STATUS WINAPI RpcProtseqVectorFreeA

(

RPC_PROTSEQ_VECTORA **

protseqs

)

Definition at line 3902 of file rpc_transport.c.

{
  TRACE("(%p)\n", protseqs);
 
  if (*protseqs)
  {
    unsigned int i;
    for (i = 0; i < (*protseqs)->Count; i++)
      HeapFree(GetProcessHeap(), 0, (*protseqs)->Protseq[i]);
    HeapFree(GetProcessHeap(), 0, *protseqs);
    *protseqs = NULL;
  }
  return RPC_S_OK;
}

Referenced by RpcNetworkInqProtseqsA().

RpcProtseqVectorFreeW()

RPC_STATUS WINAPI RpcProtseqVectorFreeW

(

RPC_PROTSEQ_VECTORW **

protseqs

)

Definition at line 3920 of file rpc_transport.c.

{
  TRACE("(%p)\n", protseqs);
 
  if (*protseqs)
  {
    unsigned int i;
    for (i = 0; i < (*protseqs)->Count; i++)
      HeapFree(GetProcessHeap(), 0, (*protseqs)->Protseq[i]);
    HeapFree(GetProcessHeap(), 0, *protseqs);
    *protseqs = NULL;
  }
  return RPC_S_OK;
}

Referenced by RpcNetworkInqProtseqsW().

RPCRT4_CloseConnection()

RPC_STATUS RPCRT4_CloseConnection

(

RpcConnection *

Connection

)

Definition at line 3618 of file rpc_transport.c.

{
  TRACE("(Connection == ^%p)\n", Connection);
  if (SecIsValidHandle(&Connection->ctx))
  {
    DeleteSecurityContext(&Connection->ctx);
    SecInvalidateHandle(&Connection->ctx);
  }
  rpcrt4_conn_close(Connection);
  return RPC_S_OK;
}

Referenced by RPCRT4_ReleaseConnection(), and RPCRT4_server_thread().

rpcrt4_conn_create_pipe()

static RPC_STATUS rpcrt4_conn_create_pipe ( RpcConnection *  conn )

static

Definition at line 322 of file rpc_transport.c.

{
    RpcConnection_np *connection = (RpcConnection_np *) conn;
#ifdef __REACTOS__
    DWORD ErrCode;
    SECURITY_ATTRIBUTES SecurityAttributes;
    PSECURITY_DESCRIPTOR PipeSecDesc;
#endif
 
    TRACE("listening on %s\n", connection->listen_pipe);
 
#ifdef __REACTOS__
    ErrCode = rpcrt4_create_pipe_security(&PipeSecDesc);
    if (ErrCode != ERROR_SUCCESS)
    {
        ERR("rpcrt4_conn_create_pipe(): Pipe security descriptor creation failed!\n");
        return RPC_S_CANT_CREATE_ENDPOINT;
    }
 
    SecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES);
    SecurityAttributes.lpSecurityDescriptor = PipeSecDesc;
    SecurityAttributes.bInheritHandle = FALSE;
 
    connection->pipe = CreateNamedPipeA(connection->listen_pipe, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
                                        PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE,
                                        PIPE_UNLIMITED_INSTANCES,
                                        RPC_MAX_PACKET_SIZE, RPC_MAX_PACKET_SIZE, 5000, &SecurityAttributes);
    HeapFree(GetProcessHeap(), 0, PipeSecDesc);
#else
    connection->pipe = CreateNamedPipeA(connection->listen_pipe, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
                                        PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE,
                                        PIPE_UNLIMITED_INSTANCES,
                                        RPC_MAX_PACKET_SIZE, RPC_MAX_PACKET_SIZE, 5000, NULL);
#endif
    if (connection->pipe == INVALID_HANDLE_VALUE)
    {
        WARN("CreateNamedPipe failed with error %d\n", GetLastError());
        if (GetLastError() == ERROR_FILE_EXISTS)
        {
            return RPC_S_DUPLICATE_ENDPOINT;
        }
        else
        {
            return RPC_S_CANT_CREATE_ENDPOINT;
        }
    }
 
    return RPC_S_OK;
}

Referenced by rpcrt4_ncacn_np_handoff(), rpcrt4_ncalrpc_handoff(), rpcrt4_protseq_ncacn_np_open_endpoint(), rpcrt4_protseq_ncalrpc_open_endpoint(), and rpcrt4_protseq_np_get_wait_array().

rpcrt4_conn_np_alloc()

static RpcConnection * rpcrt4_conn_np_alloc ( void  )

static

Definition at line 91 of file rpc_transport.c.

{
  RpcConnection_np *npc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(RpcConnection_np));
  return &npc->common;
}

rpcrt4_conn_np_cancel_call()

static void rpcrt4_conn_np_cancel_call ( RpcConnection *  conn )

static

Definition at line 782 of file rpc_transport.c.

{
    RpcConnection_np *connection = (RpcConnection_np *)conn;
    CancelIoEx(connection->pipe, NULL);
}

rpcrt4_conn_np_close()

static int rpcrt4_conn_np_close ( RpcConnection *  conn )

static

Definition at line 747 of file rpc_transport.c.

{
    RpcConnection_np *connection = (RpcConnection_np *) conn;
    if (connection->pipe)
    {
        FlushFileBuffers(connection->pipe);
        CloseHandle(connection->pipe);
        connection->pipe = 0;
    }
    if (connection->listen_event)
    {
        CloseHandle(connection->listen_event);
        connection->listen_event = 0;
    }
    if (connection->event_cache)
    {
        CloseHandle(connection->event_cache);
        connection->event_cache = 0;
    }
    return 0;
}

rpcrt4_conn_np_close_read()

static void rpcrt4_conn_np_close_read ( RpcConnection *  conn )

static

Definition at line 769 of file rpc_transport.c.

{
    RpcConnection_np *connection = (RpcConnection_np*)conn;
    IO_STATUS_BLOCK io_status;
 
    connection->read_closed = TRUE;
#ifdef __REACTOS__ /* FIXME: We should also cancel I/O for other threads */
    NtCancelIoFile(connection->pipe, &io_status);
#else
    NtCancelIoFileEx(connection->pipe, &connection->io_status, &io_status);
#endif
}

rpcrt4_conn_np_handoff()

static void rpcrt4_conn_np_handoff ( RpcConnection_np *  old_npc, RpcConnection_np *  new_npc  )

static

Definition at line 607 of file rpc_transport.c.

{    
    /* because of the way named pipes work, we'll transfer the connected pipe
     * to the child, then reopen the server binding to continue listening */
 
    new_npc->pipe = old_npc->pipe;
    old_npc->pipe = 0;
    assert(!old_npc->listen_event);
}

Referenced by rpcrt4_ncacn_np_handoff(), and rpcrt4_ncalrpc_handoff().

rpcrt4_conn_np_impersonate_client()

static RPC_STATUS rpcrt4_conn_np_impersonate_client ( RpcConnection *  conn )

static

Definition at line 906 of file rpc_transport.c.

{
    RpcConnection_np *npc = (RpcConnection_np *)conn;
    BOOL ret;
 
    TRACE("(%p)\n", conn);
 
    if (conn->AuthInfo && SecIsValidHandle(&conn->ctx))
        return RPCRT4_default_impersonate_client(conn);
 
    ret = ImpersonateNamedPipeClient(npc->pipe);
    if (!ret)
    {
        DWORD error = GetLastError();
        WARN("ImpersonateNamedPipeClient failed with error %u\n", error);
        switch (error)
        {
        case ERROR_CANNOT_IMPERSONATE:
            return RPC_S_NO_CONTEXT_AVAILABLE;
        }
    }
    return RPC_S_OK;
}

rpcrt4_conn_np_read()

static int rpcrt4_conn_np_read ( RpcConnection *  conn, void *  buffer, unsigned int  count  )

static

Definition at line 689 of file rpc_transport.c.

{
    RpcConnection_np *connection = (RpcConnection_np *) conn;
    HANDLE event;
    NTSTATUS status;
 
    event = get_np_event(connection);
    if (!event)
        return -1;
 
    if (connection->read_closed)
        status = STATUS_CANCELLED;
    else
        status = NtReadFile(connection->pipe, event, NULL, NULL, &connection->io_status, buffer, count, NULL, NULL);
    if (status == STATUS_PENDING)
    {
        /* check read_closed again before waiting to avoid a race */
        if (connection->read_closed)
        {
            IO_STATUS_BLOCK io_status;
#ifdef __REACTOS__ /* FIXME: We should also cancel I/O for other threads */
            NtCancelIoFile(connection->pipe, &io_status);
#else
            NtCancelIoFileEx(connection->pipe, &connection->io_status, &io_status);
#endif
        }
        WaitForSingleObject(event, INFINITE);
        status = connection->io_status.u.Status;
    }
    release_np_event(connection, event);
    return status && status != STATUS_BUFFER_OVERFLOW ? -1 : connection->io_status.Information;
}

Referenced by rpcrt4_conn_np_wait_for_incoming_data().

rpcrt4_conn_np_revert_to_self()

static RPC_STATUS rpcrt4_conn_np_revert_to_self ( RpcConnection *  conn )

static

Definition at line 930 of file rpc_transport.c.

{
    BOOL ret;
 
    TRACE("(%p)\n", conn);
 
    if (conn->AuthInfo && SecIsValidHandle(&conn->ctx))
        return RPCRT4_default_revert_to_self(conn);
 
    ret = RevertToSelf();
    if (!ret)
    {
        WARN("RevertToSelf failed with error %u\n", GetLastError());
        return RPC_S_NO_CONTEXT_AVAILABLE;
    }
    return RPC_S_OK;
}

rpcrt4_conn_np_wait_for_incoming_data()

static int rpcrt4_conn_np_wait_for_incoming_data ( RpcConnection *  conn )

static

Definition at line 788 of file rpc_transport.c.

{
    return rpcrt4_conn_np_read(conn, NULL, 0);
}

rpcrt4_conn_np_write()

static int rpcrt4_conn_np_write ( RpcConnection *  conn, const void *  buffer, unsigned int  count  )

static

Definition at line 722 of file rpc_transport.c.

{
    RpcConnection_np *connection = (RpcConnection_np *) conn;
    IO_STATUS_BLOCK io_status;
    HANDLE event;
    NTSTATUS status;
 
    event = get_np_event(connection);
    if (!event)
        return -1;
 
    status = NtWriteFile(connection->pipe, event, NULL, NULL, &io_status, buffer, count, NULL, NULL);
    if (status == STATUS_PENDING)
    {
        WaitForSingleObject(event, INFINITE);
        status = io_status.u.Status;
    }
    release_np_event(connection, event);
    if (status)
        return -1;
 
    assert(io_status.Information == count);
    return count;
}

rpcrt4_conn_open_pipe()

static RPC_STATUS rpcrt4_conn_open_pipe ( RpcConnection *  Connection, LPCSTR  pname, BOOL  wait  )

static

Definition at line 372 of file rpc_transport.c.

{
  RpcConnection_np *npc = (RpcConnection_np *) Connection;
  HANDLE pipe;
  DWORD err, dwMode;
 
  TRACE("connecting to %s\n", pname);
 
  while (TRUE) {
    DWORD dwFlags = 0;
    if (Connection->QOS)
    {
        dwFlags = SECURITY_SQOS_PRESENT;
        switch (Connection->QOS->qos->ImpersonationType)
        {
            case RPC_C_IMP_LEVEL_DEFAULT:
                /* FIXME: what to do here? */
                break;
            case RPC_C_IMP_LEVEL_ANONYMOUS:
                dwFlags |= SECURITY_ANONYMOUS;
                break;
            case RPC_C_IMP_LEVEL_IDENTIFY:
                dwFlags |= SECURITY_IDENTIFICATION;
                break;
            case RPC_C_IMP_LEVEL_IMPERSONATE:
                dwFlags |= SECURITY_IMPERSONATION;
                break;
            case RPC_C_IMP_LEVEL_DELEGATE:
                dwFlags |= SECURITY_DELEGATION;
                break;
        }
        if (Connection->QOS->qos->IdentityTracking == RPC_C_QOS_IDENTITY_DYNAMIC)
            dwFlags |= SECURITY_CONTEXT_TRACKING;
    }
    pipe = CreateFileA(pname, GENERIC_READ|GENERIC_WRITE, 0, NULL,
                       OPEN_EXISTING, dwFlags | FILE_FLAG_OVERLAPPED, 0);
    if (pipe != INVALID_HANDLE_VALUE) break;
    err = GetLastError();
    if (err == ERROR_PIPE_BUSY) {
      if (WaitNamedPipeA(pname, NMPWAIT_USE_DEFAULT_WAIT)) {
        TRACE("retrying busy server\n");
        continue;
      }
      TRACE("connection failed, error=%x\n", err);
      return RPC_S_SERVER_TOO_BUSY;
#ifdef __REACTOS__
    } else if (err == ERROR_BAD_NETPATH) {
      TRACE("connection failed, error=%x\n", err);
      return RPC_S_SERVER_UNAVAILABLE;
#endif
    }
    if (!wait || !WaitNamedPipeA(pname, NMPWAIT_WAIT_FOREVER)) {
      err = GetLastError();
      WARN("connection failed, error=%x\n", err);
      return RPC_S_SERVER_UNAVAILABLE;
    }
  }
 
  /* success */
  /* pipe is connected; change to message-read mode. */
  dwMode = PIPE_READMODE_MESSAGE;
  SetNamedPipeHandleState(pipe, &dwMode, NULL, NULL);
  npc->pipe = pipe;
 
  return RPC_S_OK;
}

Referenced by rpcrt4_ncacn_np_open(), and rpcrt4_ncalrpc_open().

rpcrt4_conn_release_and_wait()

void rpcrt4_conn_release_and_wait

(

RpcConnection *

connection

)

Definition at line 3694 of file rpc_transport.c.

{
    HANDLE event = NULL;
 
    if (connection->ref > 1)
        event = connection->wait_release = CreateEventW(NULL, TRUE, FALSE, NULL);
 
    RPCRT4_ReleaseConnection(connection);
 
    if(event)
    {
        WaitForSingleObject(event, INFINITE);
        CloseHandle(event);
    }
}

Referenced by RPCRT4_server_thread().

rpcrt4_conn_tcp_alloc()

static RpcConnection * rpcrt4_conn_tcp_alloc ( void  )

static

Definition at line 1443 of file rpc_transport.c.

{
  RpcConnection_tcp *tcpc;
  tcpc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(RpcConnection_tcp));
  if (tcpc == NULL)
    return NULL;
  tcpc->sock = -1;
  if (!rpcrt4_sock_wait_init(tcpc))
  {
    HeapFree(GetProcessHeap(), 0, tcpc);
    return NULL;
  }
  return &tcpc->common;
}

rpcrt4_conn_tcp_cancel_call()

static void rpcrt4_conn_tcp_cancel_call ( RpcConnection *  conn )

static

Definition at line 1793 of file rpc_transport.c.

{
    RpcConnection_tcp *connection = (RpcConnection_tcp *) conn;
 
    TRACE("%p\n", connection);
 
    SetEvent(connection->cancel_event);
}

rpcrt4_conn_tcp_close()

static int rpcrt4_conn_tcp_close ( RpcConnection *  conn )

static

Definition at line 1773 of file rpc_transport.c.

{
    RpcConnection_tcp *connection = (RpcConnection_tcp *) conn;
 
    TRACE("%d\n", connection->sock);
 
    if (connection->sock != -1)
        closesocket(connection->sock);
    connection->sock = -1;
    CloseHandle(connection->sock_event);
    CloseHandle(connection->cancel_event);
    return 0;
}

rpcrt4_conn_tcp_close_read()

static void rpcrt4_conn_tcp_close_read ( RpcConnection *  conn )

static

Definition at line 1787 of file rpc_transport.c.

{
    RpcConnection_tcp *connection = (RpcConnection_tcp *) conn;
    shutdown(connection->sock, SD_RECEIVE);
}

rpcrt4_conn_tcp_handoff()

static RPC_STATUS rpcrt4_conn_tcp_handoff ( RpcConnection *  old_conn, RpcConnection *  new_conn  )

static

Definition at line 1687 of file rpc_transport.c.

{
  int ret;
  struct sockaddr_in address;
  socklen_t addrsize;
  RpcConnection_tcp *server = (RpcConnection_tcp*) old_conn;
  RpcConnection_tcp *client = (RpcConnection_tcp*) new_conn;
  u_long nonblocking;
 
  addrsize = sizeof(address);
  ret = accept(server->sock, (struct sockaddr*) &address, &addrsize);
  if (ret < 0)
  {
    ERR("Failed to accept a TCP connection: error %d\n", ret);
    return RPC_S_OUT_OF_RESOURCES;
  }
 
  nonblocking = 1;
  ioctlsocket(ret, FIONBIO, &nonblocking);
  client->sock = ret;
 
  client->common.NetworkAddr = HeapAlloc(GetProcessHeap(), 0, INET6_ADDRSTRLEN);
  ret = getnameinfo((struct sockaddr*)&address, addrsize, client->common.NetworkAddr, INET6_ADDRSTRLEN, NULL, 0, NI_NUMERICHOST);
  if (ret != 0)
  {
    ERR("Failed to retrieve the IP address, error %d\n", ret);
    return RPC_S_OUT_OF_RESOURCES;
  }
 
  TRACE("Accepted a new TCP connection from %s\n", client->common.NetworkAddr);
  return RPC_S_OK;
}

rpcrt4_conn_tcp_is_server_listening()

static RPC_STATUS rpcrt4_conn_tcp_is_server_listening ( const char *  endpoint )

static

Definition at line 1802 of file rpc_transport.c.

{
    FIXME("\n");
    return RPC_S_ACCESS_DENIED;
}

rpcrt4_conn_tcp_read()

static int rpcrt4_conn_tcp_read ( RpcConnection *  Connection, void *  buffer, unsigned int  count  )

static

Definition at line 1720 of file rpc_transport.c.

{
  RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
  int bytes_read = 0;
  while (bytes_read != count)
  {
    int r = recv(tcpc->sock, (char *)buffer + bytes_read, count - bytes_read, 0);
    if (!r)
      return -1;
    else if (r > 0)
      bytes_read += r;
    else if (WSAGetLastError() == WSAEINTR)
      continue;
    else if (WSAGetLastError() != WSAEWOULDBLOCK)
    {
      WARN("recv() failed: %u\n", WSAGetLastError());
      return -1;
    }
    else
    {
      if (!rpcrt4_sock_wait_for_recv(tcpc))
        return -1;
    }
  }
  TRACE("%d %p %u -> %d\n", tcpc->sock, buffer, count, bytes_read);
  return bytes_read;
}

rpcrt4_conn_tcp_wait_for_incoming_data()

static int rpcrt4_conn_tcp_wait_for_incoming_data ( RpcConnection *  Connection )

static

Definition at line 1808 of file rpc_transport.c.

{
    RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
 
    TRACE("%p\n", Connection);
 
    if (!rpcrt4_sock_wait_for_recv(tcpc))
        return -1;
    return 0;
}

rpcrt4_conn_tcp_write()

static int rpcrt4_conn_tcp_write ( RpcConnection *  Connection, const void *  buffer, unsigned int  count  )

static

Definition at line 1749 of file rpc_transport.c.

{
  RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
  int bytes_written = 0;
  while (bytes_written != count)
  {
    int r = send(tcpc->sock, (const char *)buffer + bytes_written, count - bytes_written, 0);
    if (r >= 0)
      bytes_written += r;
    else if (WSAGetLastError() == WSAEINTR)
      continue;
    else if (WSAGetLastError() != WSAEWOULDBLOCK)
      return -1;
    else
    {
      if (!rpcrt4_sock_wait_for_send(tcpc))
        return -1;
    }
  }
  TRACE("%d %p %u -> %d\n", tcpc->sock, buffer, count, bytes_written);
  return bytes_written;
}

RPCRT4_CreateConnection()

RPC_STATUS RPCRT4_CreateConnection	(	RpcConnection **	Connection,
		BOOL	server,
		LPCSTR	Protseq,
		LPCSTR	NetworkAddr,
		LPCSTR	Endpoint,
		LPCWSTR	NetworkOptions,
		RpcAuthInfo *	AuthInfo,
		RpcQualityOfService *	QOS,
		LPCWSTR	CookieAuth
	)

Definition at line 3630 of file rpc_transport.c.

{
  static LONG next_id;
  const struct connection_ops *ops;
  RpcConnection* NewConnection;
 
  ops = rpcrt4_get_conn_protseq_ops(Protseq);
  if (!ops)
  {
    FIXME("not supported for protseq %s\n", Protseq);
    return RPC_S_PROTSEQ_NOT_SUPPORTED;
  }
 
  NewConnection = ops->alloc();
  NewConnection->ref = 1;
  NewConnection->server = server;
  NewConnection->ops = ops;
  NewConnection->NetworkAddr = RPCRT4_strdupA(NetworkAddr);
  NewConnection->Endpoint = RPCRT4_strdupA(Endpoint);
  NewConnection->NetworkOptions = RPCRT4_strdupW(NetworkOptions);
  NewConnection->CookieAuth = RPCRT4_strdupW(CookieAuth);
  NewConnection->MaxTransmissionSize = RPC_MAX_PACKET_SIZE;
  NewConnection->NextCallId = 1;
 
  SecInvalidateHandle(&NewConnection->ctx);
  if (AuthInfo) RpcAuthInfo_AddRef(AuthInfo);
  NewConnection->AuthInfo = AuthInfo;
  NewConnection->auth_context_id = InterlockedIncrement( &next_id );
  if (QOS) RpcQualityOfService_AddRef(QOS);
  NewConnection->QOS = QOS;
 
  list_init(&NewConnection->conn_pool_entry);
  list_init(&NewConnection->protseq_entry);
 
  TRACE("connection: %p\n", NewConnection);
  *Connection = NewConnection;
 
  return RPC_S_OK;
}

Referenced by RpcAssoc_GetClientConnection(), rpcrt4_protseq_ncacn_ip_tcp_open_endpoint(), rpcrt4_protseq_ncacn_np_open_endpoint(), rpcrt4_protseq_ncalrpc_open_endpoint(), and rpcrt4_spawn_connection().

rpcrt4_get_conn_protseq_ops()

static const struct connection_ops * rpcrt4_get_conn_protseq_ops ( const char *  protseq )

static

Definition at line 3599 of file rpc_transport.c.

{
    unsigned int i;
    for(i = 0; i < ARRAY_SIZE(conn_protseq_list); i++)
        if (!strcmp(conn_protseq_list[i].name, protseq))
            return &conn_protseq_list[i];
    return NULL;
}

Referenced by RpcNetworkIsProtseqValidW(), RPCRT4_CreateConnection(), RPCRT4_IsServerListening(), and RpcTransport_GetTopOfTower().

rpcrt4_get_protseq_ops()

const struct protseq_ops * rpcrt4_get_protseq_ops

(

const char *

protseq

)

Definition at line 3590 of file rpc_transport.c.

{
  unsigned int i;
  for(i = 0; i < ARRAY_SIZE(protseq_list); i++)
    if (!strcmp(protseq_list[i].name, protseq))
      return &protseq_list[i];
  return NULL;
}

Referenced by alloc_serverprotoseq().

RPCRT4_GrabConnection()

RpcConnection * RPCRT4_GrabConnection

(

RpcConnection *

connection

)

Definition at line 3710 of file rpc_transport.c.

{
    LONG ref = InterlockedIncrement(&connection->ref);
    TRACE("%p ref=%u\n", connection, ref);
    return connection;
}

Referenced by RPCRT4_io_thread(), and RPCRT4_server_thread().

rpcrt4_http_async_read()

static int rpcrt4_http_async_read ( HINTERNET  req, RpcHttpAsyncData *  async_data, HANDLE  cancel_event, void *  buffer, unsigned int  count  )

static

Definition at line 2336 of file rpc_transport.c.

{
    char *buf = buffer;
    BOOL ret;
    unsigned int bytes_left = count;
    RPC_STATUS status = RPC_S_OK;
 
    async_data->inet_buffers.lpvBuffer = HeapAlloc(GetProcessHeap(), 0, count);
 
    while (bytes_left)
    {
        async_data->inet_buffers.dwBufferLength = bytes_left;
        prepare_async_request(async_data);
        ret = InternetReadFileExW(req, &async_data->inet_buffers, IRF_ASYNC, 0);
        status = wait_async_request(async_data, ret, cancel_event);
        if (status != RPC_S_OK)
        {
            if (status == RPC_S_CALL_CANCELLED)
                TRACE("call cancelled\n");
            break;
        }
 
        if (!async_data->inet_buffers.dwBufferLength)
            break;
        memcpy(buf, async_data->inet_buffers.lpvBuffer,
               async_data->inet_buffers.dwBufferLength);
 
        bytes_left -= async_data->inet_buffers.dwBufferLength;
        buf += async_data->inet_buffers.dwBufferLength;
    }
 
    HeapFree(GetProcessHeap(), 0, async_data->inet_buffers.lpvBuffer);
    async_data->inet_buffers.lpvBuffer = NULL;
 
    TRACE("%p %p %u -> %u\n", req, buffer, count, status);
    return status == RPC_S_OK ? count : -1;
}

Referenced by drain_content(), rpcrt4_http_prepare_out_pipe(), rpcrt4_http_read_http_packet(), rpcrt4_ncacn_http_read(), and send_echo_request().

rpcrt4_http_check_response()

static RPC_STATUS rpcrt4_http_check_response ( HINTERNET  hor )

static

Definition at line 2175 of file rpc_transport.c.

{
    BOOL ret;
    DWORD status_code;
    DWORD size;
    DWORD index;
    WCHAR buf[32];
    WCHAR *status_text = buf;
    TRACE("\n");
 
    index = 0;
    size = sizeof(status_code);
    ret = HttpQueryInfoW(hor, HTTP_QUERY_STATUS_CODE|HTTP_QUERY_FLAG_NUMBER, &status_code, &size, &index);
    if (!ret)
        return GetLastError();
    if (status_code == HTTP_STATUS_OK)
        return RPC_S_OK;
    index = 0;
    size = sizeof(buf);
    ret = HttpQueryInfoW(hor, HTTP_QUERY_STATUS_TEXT, status_text, &size, &index);
    if (!ret && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
    {
        status_text = HeapAlloc(GetProcessHeap(), 0, size);
        ret = HttpQueryInfoW(hor, HTTP_QUERY_STATUS_TEXT, status_text, &size, &index);
    }
 
    ERR("server returned: %d %s\n", status_code, ret ? debugstr_w(status_text) : "<status text unavailable>");
    if(status_text != buf) HeapFree(GetProcessHeap(), 0, status_text);
 
    if (status_code == HTTP_STATUS_DENIED)
        return ERROR_ACCESS_DENIED;
    return RPC_S_SERVER_UNAVAILABLE;
}

Referenced by authorize_request(), rpcrt4_http_prepare_out_pipe(), rpcrt4_ncacn_http_open(), and send_echo_request().

rpcrt4_http_internet_callback()

static VOID WINAPI rpcrt4_http_internet_callback ( HINTERNET  hInternet, DWORD_PTR  dwContext, DWORD  dwInternetStatus, LPVOID  lpvStatusInformation, DWORD  dwStatusInformationLength  )

static

Definition at line 2150 of file rpc_transport.c.

{
    RpcHttpAsyncData *async_data = (RpcHttpAsyncData *)dwContext;
 
    switch (dwInternetStatus)
    {
    case INTERNET_STATUS_REQUEST_COMPLETE:
        TRACE("INTERNET_STATUS_REQUEST_COMPLETED\n");
        if (async_data)
        {
            INTERNET_ASYNC_RESULT *async_result = lpvStatusInformation;
 
            async_data->async_result = async_result->dwResult ? ERROR_SUCCESS : async_result->dwError;
            SetEvent(async_data->completion_event);
            RpcHttpAsyncData_Release(async_data);
        }
        break;
    }
}

Referenced by rpcrt4_http_internet_connect().

rpcrt4_http_internet_connect()

static RPC_STATUS rpcrt4_http_internet_connect ( RpcConnection_http *  httpc )

static

Definition at line 2209 of file rpc_transport.c.

{
    static const WCHAR wszUserAgent[] = {'M','S','R','P','C',0};
    LPWSTR proxy = NULL;
    LPWSTR user = NULL;
    LPWSTR password = NULL;
    LPWSTR servername = NULL;
    const WCHAR *option;
    INTERNET_PORT port;
 
    if (httpc->common.QOS &&
        (httpc->common.QOS->qos->AdditionalSecurityInfoType == RPC_C_AUTHN_INFO_TYPE_HTTP))
    {
        const RPC_HTTP_TRANSPORT_CREDENTIALS_W *http_cred = httpc->common.QOS->qos->u.HttpCredentials;
        if (http_cred->TransportCredentials)
        {
            WCHAR *p;
            const SEC_WINNT_AUTH_IDENTITY_W *cred = http_cred->TransportCredentials;
            ULONG len = cred->DomainLength + 1 + cred->UserLength;
            user = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
            if (!user)
                return RPC_S_OUT_OF_RESOURCES;
            p = user;
            if (cred->DomainLength)
            {
                memcpy(p, cred->Domain, cred->DomainLength * sizeof(WCHAR));
                p += cred->DomainLength;
                *p = '\\';
                p++;
            }
            memcpy(p, cred->User, cred->UserLength * sizeof(WCHAR));
            p[cred->UserLength] = 0;
 
            password = RPCRT4_strndupW(cred->Password, cred->PasswordLength);
        }
    }
 
    for (option = httpc->common.NetworkOptions; option;
         option = (wcschr(option, ',') ? wcschr(option, ',')+1 : NULL))
    {
        static const WCHAR wszRpcProxy[] = {'R','p','c','P','r','o','x','y','=',0};
        static const WCHAR wszHttpProxy[] = {'H','t','t','p','P','r','o','x','y','=',0};
 
        if (!_wcsnicmp(option, wszRpcProxy, ARRAY_SIZE(wszRpcProxy)-1))
        {
            const WCHAR *value_start = option + ARRAY_SIZE(wszRpcProxy)-1;
            const WCHAR *value_end;
            const WCHAR *p;
 
            value_end = wcschr(option, ',');
            if (!value_end)
                value_end = value_start + lstrlenW(value_start);
            for (p = value_start; p < value_end; p++)
                if (*p == ':')
                {
                    port = wcstol(p+1, NULL, 10);
                    value_end = p;
                    break;
                }
            TRACE("RpcProxy value is %s\n", debugstr_wn(value_start, value_end-value_start));
            servername = RPCRT4_strndupW(value_start, value_end-value_start);
        }
        else if (!_wcsnicmp(option, wszHttpProxy, ARRAY_SIZE(wszHttpProxy)-1))
        {
            const WCHAR *value_start = option + ARRAY_SIZE(wszHttpProxy)-1;
            const WCHAR *value_end;
 
            value_end = wcschr(option, ',');
            if (!value_end)
                value_end = value_start + lstrlenW(value_start);
            TRACE("HttpProxy value is %s\n", debugstr_wn(value_start, value_end-value_start));
            proxy = RPCRT4_strndupW(value_start, value_end-value_start);
        }
        else
            FIXME("unhandled option %s\n", debugstr_w(option));
    }
 
    httpc->app_info = InternetOpenW(wszUserAgent, proxy ? INTERNET_OPEN_TYPE_PROXY : INTERNET_OPEN_TYPE_PRECONFIG,
                                    NULL, NULL, INTERNET_FLAG_ASYNC);
    if (!httpc->app_info)
    {
        HeapFree(GetProcessHeap(), 0, password);
        HeapFree(GetProcessHeap(), 0, user);
        HeapFree(GetProcessHeap(), 0, proxy);
        HeapFree(GetProcessHeap(), 0, servername);
        ERR("InternetOpenW failed with error %d\n", GetLastError());
        return RPC_S_SERVER_UNAVAILABLE;
    }
    InternetSetStatusCallbackW(httpc->app_info, rpcrt4_http_internet_callback);
 
    /* if no RpcProxy option specified, set the HTTP server address to the
     * RPC server address */
    if (!servername)
    {
        servername = HeapAlloc(GetProcessHeap(), 0, (strlen(httpc->common.NetworkAddr) + 1)*sizeof(WCHAR));
        if (!servername)
        {
            HeapFree(GetProcessHeap(), 0, password);
            HeapFree(GetProcessHeap(), 0, user);
            HeapFree(GetProcessHeap(), 0, proxy);
            return RPC_S_OUT_OF_RESOURCES;
        }
        MultiByteToWideChar(CP_ACP, 0, httpc->common.NetworkAddr, -1, servername, strlen(httpc->common.NetworkAddr) + 1);
    }
 
    port = (httpc->common.QOS &&
            (httpc->common.QOS->qos->AdditionalSecurityInfoType == RPC_C_AUTHN_INFO_TYPE_HTTP) &&
            (httpc->common.QOS->qos->u.HttpCredentials->Flags & RPC_C_HTTP_FLAG_USE_SSL)) ?
            INTERNET_DEFAULT_HTTPS_PORT : INTERNET_DEFAULT_HTTP_PORT;
 
    httpc->session = InternetConnectW(httpc->app_info, servername, port, user, password,
                                      INTERNET_SERVICE_HTTP, 0, 0);
 
    HeapFree(GetProcessHeap(), 0, password);
    HeapFree(GetProcessHeap(), 0, user);
    HeapFree(GetProcessHeap(), 0, proxy);
 
    if (!httpc->session)
    {
        ERR("InternetConnectW failed with error %d\n", GetLastError());
        HeapFree(GetProcessHeap(), 0, servername);
        return RPC_S_SERVER_UNAVAILABLE;
    }
    httpc->servername = servername;
    return RPC_S_OK;
}

Referenced by rpcrt4_ncacn_http_open().

rpcrt4_http_keep_connection_active_timer_proc()

static VOID rpcrt4_http_keep_connection_active_timer_proc ( PVOID  param, BOOLEAN  dummy  )

static

Definition at line 2105 of file rpc_transport.c.

{
    HINTERNET in_request = param;
    RpcPktHdr *idle_pkt;
 
    idle_pkt = RPCRT4_BuildHttpHeader(NDR_LOCAL_DATA_REPRESENTATION, 0x0001,
                                      0, 0);
    if (idle_pkt)
    {
        DWORD bytes_written;
        InternetWriteFile(in_request, idle_pkt, idle_pkt->common.frag_len, &bytes_written);
        RPCRT4_FreeHeader(idle_pkt);
    }
}

Referenced by rpcrt4_http_timer_thread().

rpcrt4_http_prepare_in_pipe()

static RPC_STATUS rpcrt4_http_prepare_in_pipe ( HINTERNET  in_request, RpcHttpAsyncData *  async_data, HANDLE  cancel_event, const UUID *  connection_uuid, const UUID *  in_pipe_uuid, const UUID *  association_uuid, BOOL  authorized  )

static

Definition at line 2409 of file rpc_transport.c.

{
    BOOL ret;
    RPC_STATUS status;
    RpcPktHdr *hdr;
    INTERNET_BUFFERSW buffers_in;
    DWORD bytes_written;
 
    if (!authorized)
    {
        /* ask wininet to authorize, if necessary */
        status = send_echo_request(in_request, async_data, cancel_event);
        if (status != RPC_S_OK) return status;
    }
    memset(&buffers_in, 0, sizeof(buffers_in));
    buffers_in.dwStructSize = sizeof(buffers_in);
    /* FIXME: get this from the registry */
    buffers_in.dwBufferTotal = 1024 * 1024 * 1024; /* 1Gb */
    status = insert_content_length_header(in_request, buffers_in.dwBufferTotal);
    if (status != RPC_S_OK) return status;
 
    prepare_async_request(async_data);
    ret = HttpSendRequestExW(in_request, &buffers_in, NULL, 0, 0);
    status = wait_async_request(async_data, ret, cancel_event);
    if (status != RPC_S_OK) return status;
 
    TRACE("sending HTTP connect header to server\n");
    hdr = RPCRT4_BuildHttpConnectHeader(FALSE, connection_uuid, in_pipe_uuid, association_uuid);
    if (!hdr) return RPC_S_OUT_OF_RESOURCES;
    ret = InternetWriteFile(in_request, hdr, hdr->common.frag_len, &bytes_written);
    RPCRT4_FreeHeader(hdr);
    if (!ret)
    {
        ERR("InternetWriteFile failed with error %d\n", GetLastError());
        return RPC_S_SERVER_UNAVAILABLE;
    }
 
    return RPC_S_OK;
}

Referenced by rpcrt4_ncacn_http_open().

rpcrt4_http_prepare_out_pipe()

static RPC_STATUS rpcrt4_http_prepare_out_pipe ( HINTERNET  out_request, RpcHttpAsyncData *  async_data, HANDLE  cancel_event, const UUID *  connection_uuid, const UUID *  out_pipe_uuid, ULONG *  flow_control_increment, BOOL  authorized  )

static

Definition at line 2496 of file rpc_transport.c.

{
    BOOL ret;
    RPC_STATUS status;
    RpcPktHdr *hdr;
    BYTE *data_from_server;
    RpcPktHdr pkt_from_server;
    ULONG field1, field3;
    BYTE buf[20];
 
    if (!authorized)
    {
        /* ask wininet to authorize, if necessary */
        status = send_echo_request(out_request, async_data, cancel_event);
        if (status != RPC_S_OK) return status;
    }
    else
        rpcrt4_http_async_read(out_request, async_data, cancel_event, buf, sizeof(buf));
 
    hdr = RPCRT4_BuildHttpConnectHeader(TRUE, connection_uuid, out_pipe_uuid, NULL);
    if (!hdr) return RPC_S_OUT_OF_RESOURCES;
 
    status = insert_content_length_header(out_request, hdr->common.frag_len);
    if (status != RPC_S_OK)
    {
        RPCRT4_FreeHeader(hdr);
        return status;
    }
 
    TRACE("sending HTTP connect header to server\n");
    prepare_async_request(async_data);
    ret = HttpSendRequestW(out_request, NULL, 0, hdr, hdr->common.frag_len);
    status = wait_async_request(async_data, ret, cancel_event);
    RPCRT4_FreeHeader(hdr);
    if (status != RPC_S_OK) return status;
 
    status = rpcrt4_http_check_response(out_request);
    if (status != RPC_S_OK) return status;
 
    status = rpcrt4_http_read_http_packet(out_request, async_data, cancel_event,
                                          &pkt_from_server, &data_from_server);
    if (status != RPC_S_OK) return status;
    status = RPCRT4_ParseHttpPrepareHeader1(&pkt_from_server, data_from_server,
                                            &field1);
    HeapFree(GetProcessHeap(), 0, data_from_server);
    if (status != RPC_S_OK) return status;
    TRACE("received (%d) from first prepare header\n", field1);
 
    for (;;)
    {
        status = rpcrt4_http_read_http_packet(out_request, async_data, cancel_event,
                                              &pkt_from_server, &data_from_server);
        if (status != RPC_S_OK) return status;
        if (pkt_from_server.http.flags != 0x0001) break;
 
        TRACE("http idle packet, waiting for real packet\n");
        HeapFree(GetProcessHeap(), 0, data_from_server);
        if (pkt_from_server.http.num_data_items != 0)
        {
            ERR("HTTP idle packet should have no data items instead of %d\n",
                pkt_from_server.http.num_data_items);
            return RPC_S_PROTOCOL_ERROR;
        }
    }
    status = RPCRT4_ParseHttpPrepareHeader2(&pkt_from_server, data_from_server,
                                            &field1, flow_control_increment,
                                            &field3);
    HeapFree(GetProcessHeap(), 0, data_from_server);
    if (status != RPC_S_OK) return status;
    TRACE("received (0x%08x 0x%08x %d) from second prepare header\n", field1, *flow_control_increment, field3);
 
    return RPC_S_OK;
}

Referenced by rpcrt4_ncacn_http_open().

rpcrt4_http_read_http_packet()

static RPC_STATUS rpcrt4_http_read_http_packet ( HINTERNET  request, RpcHttpAsyncData *  async_data, HANDLE  cancel_event, RpcPktHdr *  hdr, BYTE **  data  )

static

Definition at line 2451 of file rpc_transport.c.

{
    unsigned short data_len;
    unsigned int size;
 
    if (rpcrt4_http_async_read(request, async_data, cancel_event, hdr, sizeof(hdr->common)) < 0)
        return RPC_S_SERVER_UNAVAILABLE;
    if (hdr->common.ptype != PKT_HTTP || hdr->common.frag_len < sizeof(hdr->http))
    {
        ERR("wrong packet type received %d or wrong frag_len %d\n",
            hdr->common.ptype, hdr->common.frag_len);
        return RPC_S_PROTOCOL_ERROR;
    }
 
    size = sizeof(hdr->http) - sizeof(hdr->common);
    if (rpcrt4_http_async_read(request, async_data, cancel_event, &hdr->common + 1, size) < 0)
        return RPC_S_SERVER_UNAVAILABLE;
 
    data_len = hdr->common.frag_len - sizeof(hdr->http);
    if (data_len)
    {
        *data = HeapAlloc(GetProcessHeap(), 0, data_len);
        if (!*data)
            return RPC_S_OUT_OF_RESOURCES;
        if (rpcrt4_http_async_read(request, async_data, cancel_event, *data, data_len) < 0)
        {
            HeapFree(GetProcessHeap(), 0, *data);
            return RPC_S_SERVER_UNAVAILABLE;
        }
    }
    else
        *data = NULL;
 
    if (!RPCRT4_IsValidHttpPacket(hdr, *data, data_len))
    {
        ERR("invalid http packet\n");
        HeapFree(GetProcessHeap(), 0, *data);
        return RPC_S_PROTOCOL_ERROR;
    }
 
    return RPC_S_OK;
}

Referenced by rpcrt4_http_prepare_out_pipe().

rpcrt4_http_timer_calc_timeout()

static DWORD rpcrt4_http_timer_calc_timeout ( DWORD *  last_sent_time )

inlinestatic

Definition at line 2120 of file rpc_transport.c.

{
    DWORD cur_time = GetTickCount();
    DWORD cached_last_sent_time = *last_sent_time;
    return HTTP_IDLE_TIME - (cur_time - cached_last_sent_time > HTTP_IDLE_TIME ? 0 : cur_time - cached_last_sent_time);
}

Referenced by rpcrt4_http_timer_thread().

rpcrt4_http_timer_thread()

static DWORD CALLBACK rpcrt4_http_timer_thread ( PVOID  param )

static

Definition at line 2127 of file rpc_transport.c.

{
    HttpTimerThreadData *data_in = param;
    HttpTimerThreadData data;
    DWORD timeout;
 
    data = *data_in;
    HeapFree(GetProcessHeap(), 0, data_in);
 
    for (timeout = HTTP_IDLE_TIME;
         WaitForSingleObject(data.timer_cancelled, timeout) == WAIT_TIMEOUT;
         timeout = rpcrt4_http_timer_calc_timeout(data.last_sent_time))
    {
        /* are we too soon after last send? */
        if (GetTickCount() - *data.last_sent_time < HTTP_IDLE_TIME)
            continue;
        rpcrt4_http_keep_connection_active_timer_proc(data.timer_param, TRUE);
    }
 
    CloseHandle(data.timer_cancelled);
    return 0;
}

Referenced by rpcrt4_ncacn_http_open().

rpcrt4_ip_tcp_get_top_of_tower()

static size_t rpcrt4_ip_tcp_get_top_of_tower ( unsigned char *  tower_data, const char *  networkaddr, unsigned char  tcp_protid, const char *  endpoint  )

static

Definition at line 1220 of file rpc_transport.c.

{
    twr_tcp_floor_t *tcp_floor;
    twr_ipv4_floor_t *ipv4_floor;
    struct addrinfo *ai;
    struct addrinfo hints;
    int ret;
    size_t size = sizeof(*tcp_floor) + sizeof(*ipv4_floor);
 
    TRACE("(%p, %s, %s)\n", tower_data, networkaddr, endpoint);
 
    if (!tower_data)
        return size;
 
    tcp_floor = (twr_tcp_floor_t *)tower_data;
    tower_data += sizeof(*tcp_floor);
 
    ipv4_floor = (twr_ipv4_floor_t *)tower_data;
 
    tcp_floor->count_lhs = sizeof(tcp_floor->protid);
    tcp_floor->protid = tcp_protid;
    tcp_floor->count_rhs = sizeof(tcp_floor->port);
 
    ipv4_floor->count_lhs = sizeof(ipv4_floor->protid);
    ipv4_floor->protid = EPM_PROTOCOL_IP;
    ipv4_floor->count_rhs = sizeof(ipv4_floor->ipv4addr);
 
    hints.ai_flags          = AI_NUMERICHOST;
    /* FIXME: only support IPv4 at the moment. how is IPv6 represented by the EPM? */
    hints.ai_family         = PF_INET;
    hints.ai_socktype       = SOCK_STREAM;
    hints.ai_protocol       = IPPROTO_TCP;
    hints.ai_addrlen        = 0;
    hints.ai_addr           = NULL;
    hints.ai_canonname      = NULL;
    hints.ai_next           = NULL;
 
#ifdef __REACTOS__
    static BOOL wsa_inited;
    if (!wsa_inited)
    {
        WSADATA wsadata;
        WSAStartup(MAKEWORD(2, 2), &wsadata);
        /* Note: WSAStartup can be called more than once so we don't bother with
         * making accesses to wsa_inited thread-safe */
        wsa_inited = TRUE;
    }
#endif
 
    ret = getaddrinfo(networkaddr, endpoint, &hints, &ai);
    if (ret)
    {
        ret = getaddrinfo("0.0.0.0", endpoint, &hints, &ai);
        if (ret)
        {
            ERR("getaddrinfo failed: %s\n", gai_strerror(ret));
            return 0;
        }
    }
 
    if (ai->ai_family == PF_INET)
    {
        const struct sockaddr_in *sin = (const struct sockaddr_in *)ai->ai_addr;
        tcp_floor->port = sin->sin_port;
        ipv4_floor->ipv4addr = sin->sin_addr.s_addr;
    }
    else
    {
        ERR("unexpected protocol family %d\n", ai->ai_family);
        freeaddrinfo(ai);
        return 0;
    }
 
    freeaddrinfo(ai);
 
    return size;
}

Referenced by rpcrt4_ncacn_http_get_top_of_tower(), and rpcrt4_ncacn_ip_tcp_get_top_of_tower().

rpcrt4_ip_tcp_parse_top_of_tower()

static RPC_STATUS rpcrt4_ip_tcp_parse_top_of_tower ( const unsigned char *  tower_data, size_t  tower_size, char **  networkaddr, unsigned char  tcp_protid, char **  endpoint  )

static

Definition at line 1301 of file rpc_transport.c.

{
    const twr_tcp_floor_t *tcp_floor = (const twr_tcp_floor_t *)tower_data;
    const twr_ipv4_floor_t *ipv4_floor;
    struct in_addr in_addr;
 
    TRACE("(%p, %d, %p, %p)\n", tower_data, (int)tower_size, networkaddr, endpoint);
 
    if (tower_size < sizeof(*tcp_floor))
        return EPT_S_NOT_REGISTERED;
 
    tower_data += sizeof(*tcp_floor);
    tower_size -= sizeof(*tcp_floor);
 
    if (tower_size < sizeof(*ipv4_floor))
        return EPT_S_NOT_REGISTERED;
 
    ipv4_floor = (const twr_ipv4_floor_t *)tower_data;
 
    if ((tcp_floor->count_lhs != sizeof(tcp_floor->protid)) ||
        (tcp_floor->protid != tcp_protid) ||
        (tcp_floor->count_rhs != sizeof(tcp_floor->port)) ||
        (ipv4_floor->count_lhs != sizeof(ipv4_floor->protid)) ||
        (ipv4_floor->protid != EPM_PROTOCOL_IP) ||
        (ipv4_floor->count_rhs != sizeof(ipv4_floor->ipv4addr)))
        return EPT_S_NOT_REGISTERED;
 
    if (endpoint)
    {
        *endpoint = I_RpcAllocate(6 /* sizeof("65535") + 1 */);
        if (!*endpoint)
            return RPC_S_OUT_OF_RESOURCES;
        sprintf(*endpoint, "%u", ntohs(tcp_floor->port));
    }
 
    if (networkaddr)
    {
        *networkaddr = I_RpcAllocate(INET_ADDRSTRLEN);
        if (!*networkaddr)
        {
            if (endpoint)
            {
                I_RpcFree(*endpoint);
                *endpoint = NULL;
            }
            return RPC_S_OUT_OF_RESOURCES;
        }
        in_addr.s_addr = ipv4_floor->ipv4addr;
        if (!inet_ntop(AF_INET, &in_addr, *networkaddr, INET_ADDRSTRLEN))
        {
            ERR("inet_ntop: %u\n", WSAGetLastError());
            I_RpcFree(*networkaddr);
            *networkaddr = NULL;
            if (endpoint)
            {
                I_RpcFree(*endpoint);
                *endpoint = NULL;
            }
            return EPT_S_NOT_REGISTERED;
        }
    }
 
    return RPC_S_OK;
}

Referenced by rpcrt4_ncacn_http_parse_top_of_tower(), and rpcrt4_ncacn_ip_tcp_parse_top_of_tower().

RPCRT4_IsServerListening()

RPC_STATUS RPCRT4_IsServerListening	(	const char *	protseq,
		const char *	endpoint
	)

Definition at line 3760 of file rpc_transport.c.

{
  const struct connection_ops *ops;
 
  ops = rpcrt4_get_conn_protseq_ops(protseq);
  if (!ops)
  {
    FIXME("not supported for protseq %s\n", protseq);
    return RPC_S_INVALID_BINDING;
  }
 
  return ops->is_server_listening(endpoint);
}

Referenced by RpcMgmtIsServerListening().

rpcrt4_ncacn_http_alloc()

static RpcConnection * rpcrt4_ncacn_http_alloc ( void  )

static

Definition at line 2078 of file rpc_transport.c.

{
    RpcConnection_http *httpc;
    httpc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*httpc));
    if (!httpc) return NULL;
    httpc->async_data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(RpcHttpAsyncData));
    if (!httpc->async_data)
    {
        HeapFree(GetProcessHeap(), 0, httpc);
        return NULL;
    }
    TRACE("async data = %p\n", httpc->async_data);
    httpc->cancel_event = CreateEventW(NULL, FALSE, FALSE, NULL);
    httpc->async_data->refs = 1;
    httpc->async_data->inet_buffers.dwStructSize = sizeof(INTERNET_BUFFERSW);
    InitializeCriticalSection(&httpc->async_data->cs);
    httpc->async_data->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": RpcHttpAsyncData.cs");
    return &httpc->common;
}

rpcrt4_ncacn_http_cancel_call()

static void rpcrt4_ncacn_http_cancel_call ( RpcConnection *  Connection )

static

Definition at line 3423 of file rpc_transport.c.

{
  RpcConnection_http *httpc = (RpcConnection_http *) Connection;
 
  SetEvent(httpc->cancel_event);
}

rpcrt4_ncacn_http_close()

static int rpcrt4_ncacn_http_close ( RpcConnection *  Connection )

static

Definition at line 3390 of file rpc_transport.c.

{
  RpcConnection_http *httpc = (RpcConnection_http *) Connection;
 
  TRACE("\n");
 
  SetEvent(httpc->timer_cancelled);
  if (httpc->in_request)
    InternetCloseHandle(httpc->in_request);
  httpc->in_request = NULL;
  if (httpc->out_request)
    InternetCloseHandle(httpc->out_request);
  httpc->out_request = NULL;
  if (httpc->app_info)
    InternetCloseHandle(httpc->app_info);
  httpc->app_info = NULL;
  if (httpc->session)
    InternetCloseHandle(httpc->session);
  httpc->session = NULL;
  RpcHttpAsyncData_Release(httpc->async_data);
  if (httpc->cancel_event)
    CloseHandle(httpc->cancel_event);
  HeapFree(GetProcessHeap(), 0, httpc->servername);
  httpc->servername = NULL;
 
  return 0;
}

Referenced by rpcrt4_ncacn_http_close_read().

rpcrt4_ncacn_http_close_read()

static void rpcrt4_ncacn_http_close_read ( RpcConnection *  conn )

static

Definition at line 3418 of file rpc_transport.c.

{
    rpcrt4_ncacn_http_close(conn); /* FIXME */
}

rpcrt4_ncacn_http_get_top_of_tower()

static size_t rpcrt4_ncacn_http_get_top_of_tower ( unsigned char *  tower_data, const char *  networkaddr, const char *  endpoint  )

static

Definition at line 3449 of file rpc_transport.c.

{
    return rpcrt4_ip_tcp_get_top_of_tower(tower_data, networkaddr,
                                          EPM_PROTOCOL_HTTP, endpoint);
}

rpcrt4_ncacn_http_handoff()

static RPC_STATUS rpcrt4_ncacn_http_handoff ( RpcConnection *  old_conn, RpcConnection *  new_conn  )

static

Definition at line 3207 of file rpc_transport.c.

{
    assert(0);
    return RPC_S_SERVER_UNAVAILABLE;
}

rpcrt4_ncacn_http_is_server_listening()

static RPC_STATUS rpcrt4_ncacn_http_is_server_listening ( const char *  endpoint )

static

Definition at line 3430 of file rpc_transport.c.

{
    FIXME("\n");
    return RPC_S_ACCESS_DENIED;
}

rpcrt4_ncacn_http_open()

static RPC_STATUS rpcrt4_ncacn_http_open ( RpcConnection *  Connection )

static

Definition at line 3071 of file rpc_transport.c.

{
    RpcConnection_http *httpc = (RpcConnection_http *)Connection;
    static const WCHAR wszVerbIn[] = {'R','P','C','_','I','N','_','D','A','T','A',0};
    static const WCHAR wszVerbOut[] = {'R','P','C','_','O','U','T','_','D','A','T','A',0};
    static const WCHAR wszRpcProxyPrefix[] = {'/','r','p','c','/','r','p','c','p','r','o','x','y','.','d','l','l','?',0};
    static const WCHAR wszColon[] = {':',0};
    static const WCHAR wszAcceptType[] = {'a','p','p','l','i','c','a','t','i','o','n','/','r','p','c',0};
    LPCWSTR wszAcceptTypes[] = { wszAcceptType, NULL };
    DWORD flags;
    WCHAR *url;
    RPC_STATUS status;
    BOOL secure, credentials;
    HttpTimerThreadData *timer_data;
    HANDLE thread;
 
    TRACE("(%s, %s)\n", Connection->NetworkAddr, Connection->Endpoint);
 
    if (Connection->server)
    {
        ERR("ncacn_http servers not supported yet\n");
        return RPC_S_SERVER_UNAVAILABLE;
    }
 
    if (httpc->in_request)
        return RPC_S_OK;
 
    httpc->async_data->completion_event = CreateEventW(NULL, FALSE, FALSE, NULL);
 
    UuidCreate(&httpc->connection_uuid);
    UuidCreate(&httpc->in_pipe_uuid);
    UuidCreate(&httpc->out_pipe_uuid);
 
    status = rpcrt4_http_internet_connect(httpc);
    if (status != RPC_S_OK)
        return status;
 
    url = HeapAlloc(GetProcessHeap(), 0, sizeof(wszRpcProxyPrefix) + (strlen(Connection->NetworkAddr) + 1 + strlen(Connection->Endpoint))*sizeof(WCHAR));
    if (!url)
        return RPC_S_OUT_OF_MEMORY;
    memcpy(url, wszRpcProxyPrefix, sizeof(wszRpcProxyPrefix));
    MultiByteToWideChar(CP_ACP, 0, Connection->NetworkAddr, -1, url+ARRAY_SIZE(wszRpcProxyPrefix)-1,
                        strlen(Connection->NetworkAddr)+1);
    lstrcatW(url, wszColon);
    MultiByteToWideChar(CP_ACP, 0, Connection->Endpoint, -1, url+lstrlenW(url), strlen(Connection->Endpoint)+1);
 
    secure = is_secure(httpc);
    credentials = has_credentials(httpc);
 
    flags = INTERNET_FLAG_KEEP_CONNECTION | INTERNET_FLAG_PRAGMA_NOCACHE | INTERNET_FLAG_NO_CACHE_WRITE |
            INTERNET_FLAG_NO_AUTO_REDIRECT;
    if (secure) flags |= INTERNET_FLAG_SECURE;
    if (credentials) flags |= INTERNET_FLAG_NO_AUTH;
 
    status = set_auth_cookie(httpc, Connection->CookieAuth);
    if (status != RPC_S_OK)
    {
        HeapFree(GetProcessHeap(), 0, url);
        return status;
    }
    httpc->in_request = HttpOpenRequestW(httpc->session, wszVerbIn, url, NULL, NULL, wszAcceptTypes,
                                         flags, (DWORD_PTR)httpc->async_data);
    if (!httpc->in_request)
    {
        ERR("HttpOpenRequestW failed with error %d\n", GetLastError());
        HeapFree(GetProcessHeap(), 0, url);
        return RPC_S_SERVER_UNAVAILABLE;
    }
 
    if (credentials)
    {
        status = authorize_request(httpc, httpc->in_request);
        if (status != RPC_S_OK)
        {
            HeapFree(GetProcessHeap(), 0, url);
            return status;
        }
        status = rpcrt4_http_check_response(httpc->in_request);
        if (status != RPC_S_OK)
        {
            HeapFree(GetProcessHeap(), 0, url);
            return status;
        }
        drain_content(httpc->in_request, httpc->async_data, httpc->cancel_event);
    }
 
    httpc->out_request = HttpOpenRequestW(httpc->session, wszVerbOut, url, NULL, NULL, wszAcceptTypes,
                                          flags, (DWORD_PTR)httpc->async_data);
    HeapFree(GetProcessHeap(), 0, url);
    if (!httpc->out_request)
    {
        ERR("HttpOpenRequestW failed with error %d\n", GetLastError());
        return RPC_S_SERVER_UNAVAILABLE;
    }
 
    if (credentials)
    {
        status = authorize_request(httpc, httpc->out_request);
        if (status != RPC_S_OK)
            return status;
    }
 
    status = rpcrt4_http_prepare_in_pipe(httpc->in_request, httpc->async_data, httpc->cancel_event,
                                         &httpc->connection_uuid, &httpc->in_pipe_uuid,
                                         &Connection->assoc->http_uuid, credentials);
    if (status != RPC_S_OK)
        return status;
 
    status = rpcrt4_http_prepare_out_pipe(httpc->out_request, httpc->async_data, httpc->cancel_event,
                                          &httpc->connection_uuid, &httpc->out_pipe_uuid,
                                          &httpc->flow_control_increment, credentials);
    if (status != RPC_S_OK)
        return status;
 
    httpc->flow_control_mark = httpc->flow_control_increment / 2;
    httpc->last_sent_time = GetTickCount();
    httpc->timer_cancelled = CreateEventW(NULL, FALSE, FALSE, NULL);
 
    timer_data = HeapAlloc(GetProcessHeap(), 0, sizeof(*timer_data));
    if (!timer_data)
        return ERROR_OUTOFMEMORY;
    timer_data->timer_param = httpc->in_request;
    timer_data->last_sent_time = &httpc->last_sent_time;
    timer_data->timer_cancelled = httpc->timer_cancelled;
    /* FIXME: should use CreateTimerQueueTimer when implemented */
    thread = CreateThread(NULL, 0, rpcrt4_http_timer_thread, timer_data, 0, NULL);
    if (!thread)
    {
        HeapFree(GetProcessHeap(), 0, timer_data);
        return GetLastError();
    }
    CloseHandle(thread);
 
    return RPC_S_OK;
}

rpcrt4_ncacn_http_parse_top_of_tower()

static RPC_STATUS rpcrt4_ncacn_http_parse_top_of_tower ( const unsigned char *  tower_data, size_t  tower_size, char **  networkaddr, char **  endpoint  )

static

Definition at line 3457 of file rpc_transport.c.

{
    return rpcrt4_ip_tcp_parse_top_of_tower(tower_data, tower_size,
                                            networkaddr, EPM_PROTOCOL_HTTP,
                                            endpoint);
}

rpcrt4_ncacn_http_read()

static int rpcrt4_ncacn_http_read ( RpcConnection *  Connection, void *  buffer, unsigned int  count  )

static

Definition at line 3213 of file rpc_transport.c.

{
  RpcConnection_http *httpc = (RpcConnection_http *) Connection;
  return rpcrt4_http_async_read(httpc->out_request, httpc->async_data, httpc->cancel_event, buffer, count);
}

Referenced by rpcrt4_ncacn_http_receive_fragment().

rpcrt4_ncacn_http_receive_fragment()

static RPC_STATUS rpcrt4_ncacn_http_receive_fragment ( RpcConnection *  Connection, RpcPktHdr **  Header, void **  Payload  )

static

Definition at line 3220 of file rpc_transport.c.

{
  RpcConnection_http *httpc = (RpcConnection_http *) Connection;
  RPC_STATUS status;
  DWORD hdr_length;
  LONG dwRead;
  RpcPktCommonHdr common_hdr;
 
  *Header = NULL;
 
  TRACE("(%p, %p, %p)\n", Connection, Header, Payload);
 
again:
  /* read packet common header */
  dwRead = rpcrt4_ncacn_http_read(Connection, &common_hdr, sizeof(common_hdr));
  if (dwRead != sizeof(common_hdr)) {
    WARN("Short read of header, %d bytes\n", dwRead);
    status = RPC_S_PROTOCOL_ERROR;
    goto fail;
  }
  if (!memcmp(&common_hdr, "HTTP/1.1", sizeof("HTTP/1.1")) ||
      !memcmp(&common_hdr, "HTTP/1.0", sizeof("HTTP/1.0")))
  {
    FIXME("server returned %s\n", debugstr_a((const char *)&common_hdr));
    status = RPC_S_PROTOCOL_ERROR;
    goto fail;
  }
 
  status = RPCRT4_ValidateCommonHeader(&common_hdr);
  if (status != RPC_S_OK) goto fail;
 
  hdr_length = RPCRT4_GetHeaderSize((RpcPktHdr*)&common_hdr);
  if (hdr_length == 0) {
    WARN("header length == 0\n");
    status = RPC_S_PROTOCOL_ERROR;
    goto fail;
  }
 
  *Header = HeapAlloc(GetProcessHeap(), 0, hdr_length);
  if (!*Header)
  {
    status = RPC_S_OUT_OF_RESOURCES;
    goto fail;
  }
  memcpy(*Header, &common_hdr, sizeof(common_hdr));
 
  /* read the rest of packet header */
  dwRead = rpcrt4_ncacn_http_read(Connection, &(*Header)->common + 1, hdr_length - sizeof(common_hdr));
  if (dwRead != hdr_length - sizeof(common_hdr)) {
    WARN("bad header length, %d bytes, hdr_length %d\n", dwRead, hdr_length);
    status = RPC_S_PROTOCOL_ERROR;
    goto fail;
  }
 
  if (common_hdr.frag_len - hdr_length)
  {
    *Payload = HeapAlloc(GetProcessHeap(), 0, common_hdr.frag_len - hdr_length);
    if (!*Payload)
    {
      status = RPC_S_OUT_OF_RESOURCES;
      goto fail;
    }
 
    dwRead = rpcrt4_ncacn_http_read(Connection, *Payload, common_hdr.frag_len - hdr_length);
    if (dwRead != common_hdr.frag_len - hdr_length)
    {
      WARN("bad data length, %d/%d\n", dwRead, common_hdr.frag_len - hdr_length);
      status = RPC_S_PROTOCOL_ERROR;
      goto fail;
    }
  }
  else
    *Payload = NULL;
 
  if ((*Header)->common.ptype == PKT_HTTP)
  {
    if (!RPCRT4_IsValidHttpPacket(*Header, *Payload, common_hdr.frag_len - hdr_length))
    {
      ERR("invalid http packet of length %d bytes\n", (*Header)->common.frag_len);
      status = RPC_S_PROTOCOL_ERROR;
      goto fail;
    }
    if ((*Header)->http.flags == 0x0001)
    {
      TRACE("http idle packet, waiting for real packet\n");
      if ((*Header)->http.num_data_items != 0)
      {
        ERR("HTTP idle packet should have no data items instead of %d\n", (*Header)->http.num_data_items);
        status = RPC_S_PROTOCOL_ERROR;
        goto fail;
      }
    }
    else if ((*Header)->http.flags == 0x0002)
    {
      ULONG bytes_transmitted;
      ULONG flow_control_increment;
      UUID pipe_uuid;
      status = RPCRT4_ParseHttpFlowControlHeader(*Header, *Payload,
                                                 Connection->server,
                                                 &bytes_transmitted,
                                                 &flow_control_increment,
                                                 &pipe_uuid);
      if (status != RPC_S_OK)
        goto fail;
      TRACE("received http flow control header (0x%x, 0x%x, %s)\n",
            bytes_transmitted, flow_control_increment, debugstr_guid(&pipe_uuid));
      /* FIXME: do something with parsed data */
    }
    else
    {
      FIXME("unrecognised http packet with flags 0x%04x\n", (*Header)->http.flags);
      status = RPC_S_PROTOCOL_ERROR;
      goto fail;
    }
    RPCRT4_FreeHeader(*Header);
    *Header = NULL;
    HeapFree(GetProcessHeap(), 0, *Payload);
    *Payload = NULL;
    goto again;
  }
 
  /* success */
  status = RPC_S_OK;
 
  httpc->bytes_received += common_hdr.frag_len;
 
  TRACE("httpc->bytes_received = 0x%x\n", httpc->bytes_received);
 
  if (httpc->bytes_received > httpc->flow_control_mark)
  {
    RpcPktHdr *hdr = RPCRT4_BuildHttpFlowControlHeader(httpc->common.server,
                                                       httpc->bytes_received,
                                                       httpc->flow_control_increment,
                                                       &httpc->out_pipe_uuid);
    if (hdr)
    {
      DWORD bytes_written;
      BOOL ret2;
      TRACE("sending flow control packet at 0x%x\n", httpc->bytes_received);
      ret2 = InternetWriteFile(httpc->in_request, hdr, hdr->common.frag_len, &bytes_written);
      RPCRT4_FreeHeader(hdr);
      if (ret2)
        httpc->flow_control_mark = httpc->bytes_received + httpc->flow_control_increment / 2;
    }
  }
 
fail:
  if (status != RPC_S_OK) {
    RPCRT4_FreeHeader(*Header);
    *Header = NULL;
    HeapFree(GetProcessHeap(), 0, *Payload);
    *Payload = NULL;
  }
  return status;
}

rpcrt4_ncacn_http_wait_for_incoming_data()

static int rpcrt4_ncacn_http_wait_for_incoming_data ( RpcConnection *  Connection )

static

Definition at line 3436 of file rpc_transport.c.

{
  RpcConnection_http *httpc = (RpcConnection_http *) Connection;
  BOOL ret;
  RPC_STATUS status;
 
  prepare_async_request(httpc->async_data);
  ret = InternetQueryDataAvailable(httpc->out_request,
    &httpc->async_data->inet_buffers.dwBufferLength, IRF_ASYNC, 0);
  status = wait_async_request(httpc->async_data, ret, httpc->cancel_event);
  return status == RPC_S_OK ? 0 : -1;
}

rpcrt4_ncacn_http_write()

static int rpcrt4_ncacn_http_write ( RpcConnection *  Connection, const void *  buffer, unsigned int  count  )

static

Definition at line 3376 of file rpc_transport.c.

{
  RpcConnection_http *httpc = (RpcConnection_http *) Connection;
  DWORD bytes_written;
  BOOL ret;
 
  httpc->last_sent_time = ~0U; /* disable idle packet sending */
  ret = InternetWriteFile(httpc->in_request, buffer, count, &bytes_written);
  httpc->last_sent_time = GetTickCount();
  TRACE("%p %p %u -> %s\n", httpc->in_request, buffer, count, ret ? "TRUE" : "FALSE");
  return ret ? bytes_written : -1;
}

rpcrt4_ncacn_ip_tcp_get_top_of_tower()

static size_t rpcrt4_ncacn_ip_tcp_get_top_of_tower ( unsigned char *  tower_data, const char *  networkaddr, const char *  endpoint  )

static

Definition at line 1819 of file rpc_transport.c.

{
    return rpcrt4_ip_tcp_get_top_of_tower(tower_data, networkaddr,
                                          EPM_PROTOCOL_TCP, endpoint);
}

rpcrt4_ncacn_ip_tcp_open()

static RPC_STATUS rpcrt4_ncacn_ip_tcp_open ( RpcConnection *  Connection )

static

Definition at line 1458 of file rpc_transport.c.

{
  RpcConnection_tcp *tcpc = (RpcConnection_tcp *) Connection;
  int sock;
  int ret;
  struct addrinfo *ai;
  struct addrinfo *ai_cur;
  struct addrinfo hints;
 
  TRACE("(%s, %s)\n", Connection->NetworkAddr, Connection->Endpoint);
 
  if (tcpc->sock != -1)
    return RPC_S_OK;
 
  hints.ai_flags          = 0;
  hints.ai_family         = PF_UNSPEC;
  hints.ai_socktype       = SOCK_STREAM;
  hints.ai_protocol       = IPPROTO_TCP;
  hints.ai_addrlen        = 0;
  hints.ai_addr           = NULL;
  hints.ai_canonname      = NULL;
  hints.ai_next           = NULL;
 
  ret = getaddrinfo(Connection->NetworkAddr, Connection->Endpoint, &hints, &ai);
  if (ret)
  {
    ERR("getaddrinfo for %s:%s failed: %s\n", Connection->NetworkAddr,
      Connection->Endpoint, gai_strerror(ret));
    return RPC_S_SERVER_UNAVAILABLE;
  }
 
  for (ai_cur = ai; ai_cur; ai_cur = ai_cur->ai_next)
  {
    int val;
    u_long nonblocking;
 
    if (ai_cur->ai_family != AF_INET && ai_cur->ai_family != AF_INET6)
    {
      TRACE("skipping non-IP/IPv6 address family\n");
      continue;
    }
 
    if (TRACE_ON(rpc))
    {
      char host[256];
      char service[256];
      getnameinfo(ai_cur->ai_addr, ai_cur->ai_addrlen,
        host, sizeof(host), service, sizeof(service),
        NI_NUMERICHOST | NI_NUMERICSERV);
      TRACE("trying %s:%s\n", host, service);
    }
 
    sock = socket(ai_cur->ai_family, ai_cur->ai_socktype, ai_cur->ai_protocol);
    if (sock == -1)
    {
      WARN("socket() failed: %u\n", WSAGetLastError());
      continue;
    }
 
    if (0>connect(sock, ai_cur->ai_addr, ai_cur->ai_addrlen))
    {
      WARN("connect() failed: %u\n", WSAGetLastError());
      closesocket(sock);
      continue;
    }
 
    /* RPC depends on having minimal latency so disable the Nagle algorithm */
    val = 1;
    setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
    nonblocking = 1;
    ioctlsocket(sock, FIONBIO, &nonblocking);
 
    tcpc->sock = sock;
 
    freeaddrinfo(ai);
    TRACE("connected\n");
    return RPC_S_OK;
  }
 
  freeaddrinfo(ai);
  ERR("couldn't connect to %s:%s\n", Connection->NetworkAddr, Connection->Endpoint);
  return RPC_S_SERVER_UNAVAILABLE;
}

rpcrt4_ncacn_ip_tcp_parse_top_of_tower()

static RPC_STATUS rpcrt4_ncacn_ip_tcp_parse_top_of_tower ( const unsigned char *  tower_data, size_t  tower_size, char **  networkaddr, char **  endpoint  )

static

Definition at line 1962 of file rpc_transport.c.

{
    return rpcrt4_ip_tcp_parse_top_of_tower(tower_data, tower_size,
                                            networkaddr, EPM_PROTOCOL_TCP,
                                            endpoint);
}

rpcrt4_ncacn_np_get_top_of_tower()

static size_t rpcrt4_ncacn_np_get_top_of_tower ( unsigned char *  tower_data, const char *  networkaddr, const char *  endpoint  )

static

Definition at line 793 of file rpc_transport.c.

{
    twr_empty_floor_t *smb_floor;
    twr_empty_floor_t *nb_floor;
    size_t size;
    size_t networkaddr_size;
    size_t endpoint_size;
 
    TRACE("(%p, %s, %s)\n", tower_data, networkaddr, endpoint);
 
    networkaddr_size = networkaddr ? strlen(networkaddr) + 1 : 1;
    endpoint_size = endpoint ? strlen(endpoint) + 1 : 1;
    size = sizeof(*smb_floor) + endpoint_size + sizeof(*nb_floor) + networkaddr_size;
 
    if (!tower_data)
        return size;
 
    smb_floor = (twr_empty_floor_t *)tower_data;
 
    tower_data += sizeof(*smb_floor);
 
    smb_floor->count_lhs = sizeof(smb_floor->protid);
    smb_floor->protid = EPM_PROTOCOL_SMB;
    smb_floor->count_rhs = endpoint_size;
 
    if (endpoint)
        memcpy(tower_data, endpoint, endpoint_size);
    else
        tower_data[0] = 0;
    tower_data += endpoint_size;
 
    nb_floor = (twr_empty_floor_t *)tower_data;
 
    tower_data += sizeof(*nb_floor);
 
    nb_floor->count_lhs = sizeof(nb_floor->protid);
    nb_floor->protid = EPM_PROTOCOL_NETBIOS;
    nb_floor->count_rhs = networkaddr_size;
 
    if (networkaddr)
        memcpy(tower_data, networkaddr, networkaddr_size);
    else
        tower_data[0] = 0;
 
    return size;
}

rpcrt4_ncacn_np_handoff()

static RPC_STATUS rpcrt4_ncacn_np_handoff ( RpcConnection *  old_conn, RpcConnection *  new_conn  )

static

Definition at line 617 of file rpc_transport.c.

{
  DWORD len = MAX_COMPUTERNAME_LENGTH + 1;
  RPC_STATUS status;
 
  rpcrt4_conn_np_handoff((RpcConnection_np *)old_conn, (RpcConnection_np *)new_conn);
  status = rpcrt4_conn_create_pipe(old_conn);
 
  /* Store the local computer name as the NetworkAddr for ncacn_np as long as
   * we don't support named pipes over the network. */
  new_conn->NetworkAddr = HeapAlloc(GetProcessHeap(), 0, len);
  if (!GetComputerNameA(new_conn->NetworkAddr, &len))
  {
    ERR("Failed to retrieve the computer name, error %u\n", GetLastError());
    return RPC_S_OUT_OF_RESOURCES;
  }
 
  return status;
}

rpcrt4_ncacn_np_is_server_listening()

static RPC_STATUS rpcrt4_ncacn_np_is_server_listening ( const char *  endpoint )

static

Definition at line 642 of file rpc_transport.c.

{
  char *pipe_name;
  RPC_STATUS status;
 
#ifdef __REACTOS__
  pipe_name = ncacn_pipe_name(NULL, endpoint);
#else
  pipe_name = ncacn_pipe_name(endpoint);
#endif
  status = is_pipe_listening(pipe_name);
  I_RpcFree(pipe_name);
  return status;
}

rpcrt4_ncacn_np_open()

static RPC_STATUS rpcrt4_ncacn_np_open ( RpcConnection *  Connection )

static

Definition at line 550 of file rpc_transport.c.

{
  RpcConnection_np *npc = (RpcConnection_np *) Connection;
  RPC_STATUS r;
  LPSTR pname;
 
  /* already connected? */
  if (npc->pipe)
    return RPC_S_OK;
 
#ifdef __REACTOS__
  pname = ncacn_pipe_name(Connection->NetworkAddr, Connection->Endpoint);
#else
  pname = ncacn_pipe_name(Connection->Endpoint);
#endif
  r = rpcrt4_conn_open_pipe(Connection, pname, FALSE);
  I_RpcFree(pname);
 
  return r;
}

rpcrt4_ncacn_np_parse_top_of_tower()

static RPC_STATUS rpcrt4_ncacn_np_parse_top_of_tower ( const unsigned char *  tower_data, size_t  tower_size, char **  networkaddr, char **  endpoint  )

static

Definition at line 842 of file rpc_transport.c.

{
    const twr_empty_floor_t *smb_floor = (const twr_empty_floor_t *)tower_data;
    const twr_empty_floor_t *nb_floor;
 
    TRACE("(%p, %d, %p, %p)\n", tower_data, (int)tower_size, networkaddr, endpoint);
 
    if (tower_size < sizeof(*smb_floor))
        return EPT_S_NOT_REGISTERED;
 
    tower_data += sizeof(*smb_floor);
    tower_size -= sizeof(*smb_floor);
 
    if ((smb_floor->count_lhs != sizeof(smb_floor->protid)) ||
        (smb_floor->protid != EPM_PROTOCOL_SMB) ||
        (smb_floor->count_rhs > tower_size) ||
        (tower_data[smb_floor->count_rhs - 1] != '\0'))
        return EPT_S_NOT_REGISTERED;
 
    if (endpoint)
    {
        *endpoint = I_RpcAllocate(smb_floor->count_rhs);
        if (!*endpoint)
            return RPC_S_OUT_OF_RESOURCES;
        memcpy(*endpoint, tower_data, smb_floor->count_rhs);
    }
    tower_data += smb_floor->count_rhs;
    tower_size -= smb_floor->count_rhs;
 
    if (tower_size < sizeof(*nb_floor))
        return EPT_S_NOT_REGISTERED;
 
    nb_floor = (const twr_empty_floor_t *)tower_data;
 
    tower_data += sizeof(*nb_floor);
    tower_size -= sizeof(*nb_floor);
 
    if ((nb_floor->count_lhs != sizeof(nb_floor->protid)) ||
        (nb_floor->protid != EPM_PROTOCOL_NETBIOS) ||
        (nb_floor->count_rhs > tower_size) ||
        (tower_data[nb_floor->count_rhs - 1] != '\0'))
        return EPT_S_NOT_REGISTERED;
 
    if (networkaddr)
    {
        *networkaddr = I_RpcAllocate(nb_floor->