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Diffstat (limited to 'crypto/heimdal/appl/kx/kx.h')
| -rw-r--r-- | crypto/heimdal/appl/kx/kx.h | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/crypto/heimdal/appl/kx/kx.h b/crypto/heimdal/appl/kx/kx.h new file mode 100644 index 0000000..fdda414 --- /dev/null +++ b/crypto/heimdal/appl/kx/kx.h @@ -0,0 +1,259 @@ +/* + * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* $Id: kx.h,v 1.38 2000/02/06 05:52:03 assar Exp $ */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif /* HAVE_CONFIG_H */ + +#include <stdio.h> +#include <stdarg.h> +#include <stdlib.h> +#include <string.h> +#include <signal.h> +#include <errno.h> +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#ifdef HAVE_PWD_H +#include <pwd.h> +#endif +#ifdef HAVE_GRP_H +#include <grp.h> +#endif +#ifdef HAVE_SYSLOG_H +#include <syslog.h> +#endif +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef TIME_WITH_SYS_TIME +#include <sys/time.h> +#include <time.h> +#elif defined(HAVE_SYS_TIME_H) +#include <sys/time.h> +#else +#include <time.h> +#endif +#ifdef HAVE_SYS_RESOURCE_H +#include <sys/resource.h> +#endif +#ifdef HAVE_SYS_SELECT_H +#include <sys/select.h> +#endif +#ifdef HAVE_SYS_WAIT_H +#include <sys/wait.h> +#endif +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#ifdef HAVE_NETINET_IN_H +#include <netinet/in.h> +#endif +#ifdef HAVE_NETINET_TCP_H +#include <netinet/tcp.h> +#endif +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#endif +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#ifdef HAVE_SYS_UN_H +#include <sys/un.h> +#endif +#include <X11/X.h> +#include <X11/Xlib.h> +#include <X11/Xauth.h> + +#ifdef HAVE_SYS_STREAM_H +#include <sys/stream.h> +#endif +#ifdef HAVE_SYS_STROPTS_H +#include <sys/stropts.h> +#endif + +/* as far as we know, this is only used with later versions of Slowlaris */ +#if SunOS >= 50 && defined(HAVE_SYS_STROPTS_H) && defined(HAVE_FATTACH) && defined(I_PUSH) +#define MAY_HAVE_X11_PIPES +#endif + +#ifdef SOCKS +#include <socks.h> +/* This doesn't belong here. */ +struct tm *localtime(const time_t *); +struct hostent *gethostbyname(const char *); +#endif + +#ifdef KRB4 +#include <krb.h> +#include <prot.h> +#endif +#ifdef KRB5 +#include <krb5.h> +#endif + +#include <err.h> +#include <getarg.h> +#include <roken.h> + +struct x_socket { + char *pathname; + int fd; + enum { + LISTENP = 0x80, + TCP = LISTENP | 1, + UNIX_SOCKET = LISTENP | 2, + STREAM_PIPE = 3 + } flags; +}; + +extern char x_socket[]; +extern u_int32_t display_num; +extern char display[]; +extern int display_size; +extern char xauthfile[]; +extern int xauthfile_size; +extern u_char cookie[]; +extern size_t cookie_len; + +int get_xsockets (int *number, struct x_socket **sockets, int tcpp); +int chown_xsockets (int n, struct x_socket *sockets, uid_t uid, gid_t gid); + +int connect_local_xsocket (unsigned dnr); +int create_and_write_cookie (char *xauthfile, + size_t size, + u_char *cookie, + size_t sz); +int verify_and_remove_cookies (int fd, int sock, int cookiesp); +int replace_cookie(int xserver, int fd, char *filename, int cookiesp); + +int suspicious_address (int sock, struct sockaddr_in addr); + +#define KX_PORT 2111 + +#define KX_OLD_VERSION "KXSERV.1" +#define KX_VERSION "KXSERV.2" + +#define COOKIE_TYPE "MIT-MAGIC-COOKIE-1" + +enum { INIT = 0, ACK = 1, NEW_CONN = 2, ERROR = 3 }; + +enum kx_flags { PASSIVE = 1, KEEP_ALIVE = 2 }; + +typedef enum kx_flags kx_flags; + +struct kx_context { + int (*authenticate)(struct kx_context *kc, int s); + int (*userok)(struct kx_context *kc, char *user); + ssize_t (*read)(struct kx_context *kc, + int fd, void *buf, size_t len); + ssize_t (*write)(struct kx_context *kc, + int fd, const void *buf, size_t len); + int (*copy_encrypted)(struct kx_context *kc, + int fd1, int fd2); + void (*destroy)(struct kx_context *kc); + const char *host; + const char *user; + int port; + int debug_flag; + int keepalive_flag; + int tcp_flag; + struct sockaddr_in thisaddr, thataddr; + void *data; +}; + +typedef struct kx_context kx_context; + +void +context_set (kx_context *kc, const char *host, const char *user, int port, + int debug_flag, int keepalive_flag, int tcp_flag); + +void +context_destroy (kx_context *kc); + +int +context_authenticate (kx_context *kc, int s); + +int +context_userok (kx_context *kc, char *user); + +ssize_t +kx_read (kx_context *kc, int fd, void *buf, size_t len); + +ssize_t +kx_write (kx_context *kc, int fd, const void *buf, size_t len); + +int +copy_encrypted (kx_context *kc, int fd1, int fd2); + +#ifdef KRB4 + +void +krb4_make_context (kx_context *c); + +int +recv_v4_auth (kx_context *kc, int sock, u_char *buf); + +#endif + +#ifdef KRB5 + +void +krb5_make_context (kx_context *c); + +int +recv_v5_auth (kx_context *kc, int sock, u_char *buf); + +#endif + +void +fatal (kx_context *kc, int fd, char *format, ...) +#ifdef __GNUC__ +__attribute__ ((format (printf, 3, 4))) +#endif +; + +#ifndef KRB4 + +int +krb_get_int(void *f, u_int32_t *to, int size, int lsb); + +int +krb_put_int(u_int32_t from, void *to, size_t rem, int size); + +#endif |
