예제 #1
0
파일: utils.c 프로젝트: coffee8651/turbovnc
/* Implement a simple-minded font authorization scheme.  The authorization
   name is "hp-hostname-1", the contents are simply the host name. */
int
set_font_authorizations(char **authorizations, int *authlen, pointer client)
{
#define AUTHORIZATION_NAME "hp-hostname-1"
#if defined(TCPCONN) || defined(STREAMSCONN)
    static char *result = NULL;
    static char *p = NULL;

    if (p == NULL) {
        char hname[1024], *hnameptr;
        unsigned int len;

#if defined(IPv6) && defined(AF_INET6)
        struct addrinfo hints, *ai = NULL;
#else
        struct hostent *host;

#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
        _Xgethostbynameparams hparams;
#endif
#endif

        gethostname(hname, 1024);
#if defined(IPv6) && defined(AF_INET6)
        memset(&hints, 0, sizeof(hints));
        hints.ai_flags = AI_CANONNAME;
        if (getaddrinfo(hname, NULL, &hints, &ai) == 0) {
            hnameptr = ai->ai_canonname;
        }
        else {
            hnameptr = hname;
        }
#else
        host = _XGethostbyname(hname, hparams);
        if (host == NULL)
            hnameptr = hname;
        else
            hnameptr = host->h_name;
#endif

        len = strlen(hnameptr) + 1;
        result = malloc(len + sizeof(AUTHORIZATION_NAME) + 4);

        p = result;
        *p++ = sizeof(AUTHORIZATION_NAME) >> 8;
        *p++ = sizeof(AUTHORIZATION_NAME) & 0xff;
        *p++ = (len) >> 8;
        *p++ = (len & 0xff);

        memmove(p, AUTHORIZATION_NAME, sizeof(AUTHORIZATION_NAME));
        p += sizeof(AUTHORIZATION_NAME);
        memmove(p, hnameptr, len);
        p += len;
#if defined(IPv6) && defined(AF_INET6)
        if (ai) {
            freeaddrinfo(ai);
        }
#endif
    }
예제 #2
0
파일: tt_host_equiv.C 프로젝트: juddy/edcde
// This is done here instead of in the constructor because
// gethostbyname can fail  and I don't want things that can fail
// to be in a constructor.
static int
_cache_it(_Tt_hostname_cache_ptr cache_ptr, _Tt_string & hostname)
{
        _Tt_hostname_cache_ptr	sh, lh;
	struct hostent	       *host_ret;
	_Xgethostbynameparams	host_buf;
	char			**h_addr_list;


	memset((char*) &host_buf, 0, sizeof(_Xgethostbynameparams));
	if ((host_ret = _XGethostbyname((char*) hostname, host_buf)) == NULL) {
		return 0;
	}

	// cache the parts of the entry we're
	// interested in.  We have to do this
	// since gethostbyname() returns a pointer
	// to static memory, and since struct hostent's
	// have pointers in them.

	cache_ptr->addr_length = host_ret->h_length;

	// Copy the list of IP addresses
	for (h_addr_list = host_ret->h_addr_list; 
	     h_addr_list; 
	     h_addr_list++) {

		if (! *h_addr_list) {
			break;	// no more addresses
		}

                // copy the address
		_Tt_string new_addr((const unsigned char *)h_addr_list,
				    host_ret->h_length);
		// cache it
		cache_ptr->addr_list->append(new_addr);
	}

	return 1;
}
예제 #3
0
Boolean
XmuConvertStandardSelection(Widget w, Time time, Atom *selection, Atom *target,
                            Atom *type, XPointer *value,
                            unsigned long *length, int *format)
{
    Display *d = XtDisplay(w);
    if (*target == XA_TIMESTAMP(d)) {
        *value = XtMalloc(4);
        if (sizeof(long) == 4)
            *(long*)*value = time;
        else {
            long temp = time;
            (void) memmove((char*)*value, ((char*)&temp)+sizeof(long)-4, 4);
        }
        *type = XA_INTEGER;
        *length = 1;
        *format = 32;
        return True;
    }
    if (*target == XA_HOSTNAME(d)) {
        char hostname[1024];
        hostname[0] = '\0';
        *length = XmuGetHostname (hostname, sizeof hostname);
        *value = XtNewString(hostname);
        *type = XA_STRING;
        *format = 8;
        return True;
    }
#if defined(TCPCONN)
    if (*target == XA_IP_ADDRESS(d)) {
        char hostname[1024];
#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
        _Xgethostbynameparams hparams;
#endif
        struct hostent *hostp;

        hostname[0] = '\0';
        (void) XmuGetHostname (hostname, sizeof hostname);

        if ((hostp = _XGethostbyname (hostname,hparams)) == NULL)
            return False;

        if (hostp->h_addrtype != AF_INET) return False;
        *length = hostp->h_length;
        *value = XtMalloc(*length);
        (void) memmove (*value, hostp->h_addr, *length);
        *type = XA_NET_ADDRESS(d);
        *format = 8;
        return True;
    }
#endif
#ifdef DNETCONN
    if (*target == XA_DECNET_ADDRESS(d)) {
        return False;		/* XXX niy */
    }
#endif
    if (*target == XA_USER(d)) {
        char *name = (char*)getenv("USER");
        if (name == NULL) return False;
        *value = XtNewString(name);
        *type = XA_STRING;
        *length = strlen(name);
        *format = 8;
        return True;
    }
    if (*target == XA_CLASS(d)) {
        Widget parent = XtParent(w);
        char *class;
        int len;
        while (parent != NULL && !isApplicationShell(w)) {
            w = parent;
            parent = XtParent(w);
        }
        if (isApplicationShell(w))
            class = ((ApplicationShellWidget) w)->application.class;
        else
예제 #4
0
파일: xdmcp.c 프로젝트: halfline/xserver
static void
get_addr_by_name(const char *argtype,
                 const char *namestr,
                 int port,
                 int socktype, SOCKADDR_TYPE * addr, SOCKLEN_TYPE * addrlen
#if defined(IPv6) && defined(AF_INET6)
                 , struct addrinfo **aip, struct addrinfo **aifirstp
#endif
    )
{
#if defined(IPv6) && defined(AF_INET6)
    struct addrinfo *ai;
    struct addrinfo hints;
    char portstr[6];
    char *pport = portstr;
    int gaierr;

    memset(&hints, 0, sizeof(hints));
    hints.ai_socktype = socktype;

    if (port == 0) {
        pport = NULL;
    }
    else if (port > 0 && port < 65535) {
        snprintf(portstr, sizeof(portstr), "%d", port);
    }
    else {
        FatalError("Xserver: port out of range: %d\n", port);
    }

    if (*aifirstp != NULL) {
        freeaddrinfo(*aifirstp);
        *aifirstp = NULL;
    }

    if ((gaierr = getaddrinfo(namestr, pport, &hints, aifirstp)) == 0) {
        for (ai = *aifirstp; ai != NULL; ai = ai->ai_next) {
            if (ai->ai_family == AF_INET || ai->ai_family == AF_INET6)
                break;
        }
        if ((ai == NULL) || (ai->ai_addrlen > sizeof(SOCKADDR_TYPE))) {
            FatalError("Xserver: %s host %s not on supported network type\n",
                       argtype, namestr);
        }
        else {
            *aip = ai;
            *addrlen = ai->ai_addrlen;
            memcpy(addr, ai->ai_addr, ai->ai_addrlen);
        }
    }
    else {
        FatalError("Xserver: %s: %s %s\n", gai_strerror(gaierr), argtype,
                   namestr);
    }
#else
    struct hostent *hep;

#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
    _Xgethostbynameparams hparams;
#endif
#if defined(WIN32) && defined(TCPCONN)
    _XSERVTransWSAStartup();
#endif
    if (!(hep = _XGethostbyname(namestr, hparams))) {
        FatalError("Xserver: %s unknown host: %s\n", argtype, namestr);
    }
    if (hep->h_length == sizeof(struct in_addr)) {
        memmove(&addr->sin_addr, hep->h_addr, hep->h_length);
        *addrlen = sizeof(struct sockaddr_in);
        addr->sin_family = AF_INET;
        addr->sin_port = htons(port);
    }
    else {
        FatalError("Xserver: %s host on strange network %s\n", argtype,
                   namestr);
    }
#endif
}
예제 #5
0
파일: AuGetBest.c 프로젝트: csulmone/X11
Xauth *
XauGetBestAuthByAddr (
#if NeedWidePrototypes
    unsigned int	family,
    unsigned int	address_length,
#else
    unsigned short	family,
    unsigned short	address_length,
#endif
    _Xconst char*	address,
#if NeedWidePrototypes
    unsigned int	number_length,
#else
    unsigned short	number_length,
#endif
    _Xconst char*	number,
    int			types_length,
    char**		types,
    _Xconst int*	type_lengths)
{
    FILE    *auth_file;
    char    *auth_name;
    Xauth   *entry;
    Xauth   *best;
    int	    best_type;
    int	    type;
#ifdef hpux
    char		*fully_qual_address;
    unsigned short	fully_qual_address_length;
#endif

    auth_name = XauFileName ();
    if (!auth_name)
	return NULL;
    if (access (auth_name, R_OK) != 0)		/* checks REAL id */
	return NULL;
    auth_file = fopen (auth_name, "rb");
    if (!auth_file)
	return NULL;

#ifdef hpux
    if (family == FamilyLocal) {
#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
	_Xgethostbynameparams hparams;
#endif
	struct hostent *hostp;

	/* make sure we try fully-qualified hostname */
	if ((hostp = _XGethostbyname(address,hparams)) != NULL) {
	    fully_qual_address = hostp->h_name;
	    fully_qual_address_length = strlen(fully_qual_address);
	}
	else
	{
	    fully_qual_address = NULL;
	    fully_qual_address_length = 0;
	}
    }
#endif /* hpux */

    best = NULL;
    best_type = types_length;
    for (;;) {
	entry = XauReadAuth (auth_file);
	if (!entry)
	    break;
	/*
	 * Match when:
	 *   either family or entry->family are FamilyWild or
	 *    family and entry->family are the same and
	 *     address and entry->address are the same
	 *  and
	 *   either number or entry->number are empty or
	 *    number and entry->number are the same
	 *  and
	 *   either name or entry->name are empty or
	 *    name and entry->name are the same
	 */

	if ((family == FamilyWild || entry->family == FamilyWild ||
	     (entry->family == family &&
	     ((address_length == entry->address_length &&
	      binaryEqual (entry->address, address, (int)address_length))
#ifdef hpux
	     || (family == FamilyLocal &&
		fully_qual_address_length == entry->address_length &&
	     	binaryEqual (entry->address, fully_qual_address,
		    (int) fully_qual_address_length))
#endif
	    ))) &&
	    (number_length == 0 || entry->number_length == 0 ||
	     (number_length == entry->number_length &&
	      binaryEqual (entry->number, number, (int)number_length))))
	{
	    if (best_type == 0)
	    {
		best = entry;
		break;
	    }
	    for (type = 0; type < best_type; type++)
		if (type_lengths[type] == entry->name_length &&
		    !(strncmp (types[type], entry->name, entry->name_length)))
		{
		    break;
		}
	    if (type < best_type)
	    {
		if (best)
		    XauDisposeAuth (best);
		best = entry;
		best_type = type;
		if (type == 0)
		    break;
		continue;
	    }
	}
	XauDisposeAuth (entry);
    }
    (void) fclose (auth_file);
    return best;
}
예제 #6
0
파일: tt_db_client.C 프로젝트: juddy/edcde
_Tt_db_results _Tt_db_client::connectToDB (const _Tt_string &hostname)
{
	_tt_auth_level_results *auth_level_results = (_tt_auth_level_results *)NULL;
	int _socket;
	_socket = -1;


	dbHostname = hostname;

	// Connect to the dbserver on the specified host.
	// If we don't have TI_RPC we cannot depend on CLGET_FD, so
	// we have to use clnttcp_create so that we get the socket FD back
	// in order to set close_on_exec.
	
#if defined(OPT_TLI)

#ifdef OPT_HAS_CLNT_CREATE_TIMED
	
	struct timeval		tv = { OPT_CLNT_CREATE_TIMEOUT, 0};

	dbServer = clnt_create_timed((char *)dbHostname,
				     TT_DBSERVER_PROG,
				     TT_DBSERVER_VERS,
				     (char *)TT_DB_RPC_PROTO,
				     &tv);
#else
	dbServer = clnt_create((char *)dbHostname,
				TT_DBSERVER_PROG,
				TT_DBSERVER_VERS,
				(char *)TT_DB_RPC_PROTO);
#endif

	if (dbServer) {
		clnt_control(dbServer, CLGET_FD, (char *)&_socket);
	}
#else
	struct sockaddr_in server_addr;
	struct hostent	       *host_ret;
	_Xgethostbynameparams	host_buf;

	memset((char*) &host_buf, 0, sizeof(_Xgethostbynameparams));
	if ((host_ret = _XGethostbyname((char *)dbHostname, host_buf)) != NULL) {
		_socket = RPC_ANYSOCK;
		memset(&server_addr, 0, sizeof(server_addr));
		server_addr.sin_family = AF_INET;
		server_addr.sin_port = htons(0);
		memcpy(&server_addr.sin_addr.s_addr,
		       *(host_ret->h_addr_list),
		       sizeof(server_addr.sin_addr.s_addr));

		dbServer = clnttcp_create(&server_addr,
					  TT_DBSERVER_PROG,
					  TT_DBSERVER_VERS,
					  &_socket,
					  0, 0);

	} else {
		// gethostbyname failed, fake RPC error
		dbServer = 0;
		rpc_createerr.cf_stat = RPC_UNKNOWNHOST;
	}
#endif	

	// Connection failed.
	if (!dbServer) {

		_tt_syslog(0, LOG_ERR, catgets(_ttcatd, 1, 3,
			 "clnt_create for rpc.ttdbserverd on %s failed%s"),
			 (char *)dbHostname, clnt_spcreateerror(""));

		// Set dbConnectionResults data member...
		SetError(rpc_createerr.cf_stat);

		return dbConnectionResults;
	}

	// Connection succeeded.
	clnt_control(dbServer, CLSET_TIMEOUT, (char *)&TT_DB_RPC_QUICK_TIMEOUT);

	dbConnectionResults = TT_DB_ERR_DB_CONNECTION_FAILED;	// Default value.


	for (;dbVersion > 0; dbVersion--) {

		if (dbVersion > 1) {
			auth_level_results =
				_tt_get_min_auth_level_1 ((void *)NULL, dbServer);
		} else {
			// If dbVersion == 1, then we are talking to an old DB server
			static _tt_auth_level_results results;

			char      *path = "";
			clnt_stat  rpc_status;
			int       *result = (int *)NULL;
			result = _tt_min_auth_level_1(&path, dbServer, &rpc_status);

			if (result) {
				results.results = TT_DB_OK;
				results.auth_level = *result;
				auth_level_results = &results;
			}
		}

		if ((auth_level_results) && (auth_level_results->results == TT_DB_OK)) {

			clnt_control(dbServer, CLSET_TIMEOUT,
				     (char *)&TT_DB_RPC_NORMAL_TIMEOUT);

			dbAuthLevel = auth_level_results->auth_level;
		 
			dbConnectionResults = TT_DB_OK;	// Default return value.

			switch (dbAuthLevel) {
				case AUTH_NONE:
				case AUTH_UNIX:
					dbServer->cl_auth = authunix_create_default();
				break;

#ifdef OPT_SECURE_RPC
				case AUTH_DES: {
					char    server_net_name [MAXNETNAMELEN+1];
					struct hostent	       *host_ret;
					_Xgethostbynameparams	host_buf;
					if (host2netname(server_net_name, dbHostname, 0) &&
					    ((host_ret = _XGethostbyname((char *)dbHostname, host_buf)) != NULL)) {
#ifdef OPT_TLI
						dbServerNetName = server_net_name;
#else
						memcpy((caddr_t) &dbSocket.sin_addr,
						       host_ret->h_addr, 
						       host_ret->h_length);
						dbSocket.sin_family = AF_INET;
						dbSocket.sin_port = 0;
#endif
					} else {
						dbConnectionResults =
							TT_DB_ERR_DB_CONNECTION_FAILED;
					}
				}
				break;
#endif // OPT_SECURE_RPC
				default:
					dbConnectionResults =
						 TT_DB_ERR_DB_CONNECTION_FAILED;
				break;
			}
			break;
		} else {
			// If _tt_get_min_auth_level_1 is not available, then we are talking
			// to an old DB server.
                        if (_tt_get_rpc_result() != RPC_AUTHERROR) {

				_tt_syslog(0, LOG_ERR,
					catgets(_ttcatd, 1, 4, "Error: rpc.ttdbserverd on %s is not running"),
					(char *)dbHostname);

				SetError(_tt_get_rpc_result());

				break;	// Give up and return error code.
			}
		}
	}	// end -for()-

	//
	// Cleanup if failure.
	//
	if (dbConnectionResults != TT_DB_OK) {
		if (dbServer) {
			clnt_destroy(dbServer);
			dbServer = (CLIENT *)NULL;
		}
	}

	// Set close-on-exec bit so a libtt client which forks and execs won't
	// be short some fd's in the child.
	if (-1 != _socket && -1 == fcntl(_socket, F_SETFD, 1)) {
		_tt_syslog( 0, LOG_ERR, "_Tt_db_client::connectToDb(): "
			    "fcntl(F_SETFD): %m");
	}		

	return dbConnectionResults;
}