2 * Copyright (c) 1995 - 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 /* $Id: kx.h,v 1.41 2003/04/16 16:45:43 joda Exp $ */
38 #endif /* HAVE_CONFIG_H */
58 #ifdef HAVE_SYS_TYPES_H
59 #include <sys/types.h>
61 #ifdef TIME_WITH_SYS_TIME
64 #elif defined(HAVE_SYS_TIME_H)
69 #ifdef HAVE_SYS_RESOURCE_H
70 #include <sys/resource.h>
72 #ifdef HAVE_SYS_SELECT_H
73 #include <sys/select.h>
75 #ifdef HAVE_SYS_WAIT_H
78 #ifdef HAVE_SYS_STAT_H
81 #ifdef HAVE_SYS_SOCKET_H
82 #include <sys/socket.h>
84 #ifdef HAVE_NETINET_IN_H
85 #include <netinet/in.h>
87 #ifdef HAVE_NETINET_TCP_H
88 #include <netinet/tcp.h>
90 #ifdef HAVE_ARPA_INET_H
91 #include <arpa/inet.h>
100 #include <X11/Xlib.h>
101 #include <X11/Xauth.h>
103 #ifdef HAVE_SYS_STREAM_H
104 #include <sys/stream.h>
106 #ifdef HAVE_SYS_STROPTS_H
107 #include <sys/stropts.h>
110 /* defined by aix's sys/stream.h and again by arpa/nameser.h */
114 /* as far as we know, this is only used with later versions of Slowlaris */
115 #if SunOS >= 50 && defined(HAVE_SYS_STROPTS_H) && defined(HAVE_FATTACH) && defined(I_PUSH)
116 #define MAY_HAVE_X11_PIPES
121 /* This doesn't belong here. */
122 struct tm *localtime(const time_t *);
123 struct hostent *gethostbyname(const char *);
144 UNIX_SOCKET = LISTENP | 2,
149 extern char x_socket[];
150 extern u_int32_t display_num;
151 extern char display[];
152 extern int display_size;
153 extern char xauthfile[];
154 extern int xauthfile_size;
155 extern u_char cookie[];
156 extern size_t cookie_len;
158 int get_xsockets (int *number, struct x_socket **sockets, int tcpp);
159 int chown_xsockets (int n, struct x_socket *sockets, uid_t uid, gid_t gid);
161 int connect_local_xsocket (unsigned dnr);
162 int create_and_write_cookie (char *xauthfile,
166 int verify_and_remove_cookies (int fd, int sock, int cookiesp);
167 int replace_cookie(int xserver, int fd, char *filename, int cookiesp);
169 int suspicious_address (int sock, struct sockaddr *addr);
173 #define KX_OLD_VERSION "KXSERV.1"
174 #define KX_VERSION "KXSERV.2"
176 #define COOKIE_TYPE "MIT-MAGIC-COOKIE-1"
178 enum { INIT = 0, ACK = 1, NEW_CONN = 2, ERROR = 3 };
180 enum kx_flags { PASSIVE = 1, KEEP_ALIVE = 2 };
182 typedef enum kx_flags kx_flags;
185 int (*authenticate)(struct kx_context *kc, int s);
186 int (*userok)(struct kx_context *kc, char *user);
187 ssize_t (*read)(struct kx_context *kc,
188 int fd, void *buf, size_t len);
189 ssize_t (*write)(struct kx_context *kc,
190 int fd, const void *buf, size_t len);
191 int (*copy_encrypted)(struct kx_context *kc,
193 void (*destroy)(struct kx_context *kc);
200 struct sockaddr_storage __ss_this;
201 struct sockaddr_storage __ss_that;
202 struct sockaddr *thisaddr;
203 struct sockaddr *thataddr;
204 socklen_t thisaddr_len, thataddr_len;
208 typedef struct kx_context kx_context;
211 context_set (kx_context *kc, const char *host, const char *user, int port,
212 int debug_flag, int keepalive_flag, int tcp_flag);
215 context_destroy (kx_context *kc);
218 context_authenticate (kx_context *kc, int s);
221 context_userok (kx_context *kc, char *user);
224 kx_read (kx_context *kc, int fd, void *buf, size_t len);
227 kx_write (kx_context *kc, int fd, const void *buf, size_t len);
230 copy_encrypted (kx_context *kc, int fd1, int fd2);
235 krb4_make_context (kx_context *c);
238 recv_v4_auth (kx_context *kc, int sock, u_char *buf);
245 krb5_make_context (kx_context *c);
248 recv_v5_auth (kx_context *kc, int sock, u_char *buf);
253 fatal (kx_context *kc, int fd, char *format, ...)
255 __attribute__ ((format (printf, 3, 4)))
262 krb_get_int(void *f, u_int32_t *to, int size, int lsb);
265 krb_put_int(u_int32_t from, void *to, size_t rem, int size);