Initial revision

[gssapi-openssh.git] / openssh / packet.h

diff --git a/openssh/packet.h b/openssh/packet.h
new file mode 100644 (file)
index 0000000..d547300
--- /dev/null
+++ b/openssh/packet.h
@@ -0,0 +1,95 @@
+/*
+ * Author: Tatu Ylonen <ylo@cs.hut.fi>
+ * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+ *                    All rights reserved
+ * Interface for the packet protocol functions.
+ *
+ * As far as I am concerned, the code I have written for this software
+ * can be used freely for any purpose.  Any derived versions of this
+ * software must be clearly marked as such, and if the derived work is
+ * incompatible with the protocol description in the RFC file, it must be
+ * called by a name other than "ssh" or "Secure Shell".
+ */
+
+/* RCSID("$OpenBSD: packet.h,v 1.26 2001/11/07 16:03:17 markus Exp $"); */
+
+#ifndef PACKET_H
+#define PACKET_H
+
+#include <openssl/bn.h>
+
+void     packet_set_connection(int, int);
+void     packet_set_nonblocking(void);
+int      packet_get_connection_in(void);
+int      packet_get_connection_out(void);
+void     packet_close(void);
+void    packet_set_encryption_key(const u_char *, u_int, int);
+void     packet_set_protocol_flags(u_int);
+u_int   packet_get_protocol_flags(void);
+void     packet_start_compression(int);
+void     packet_set_interactive(int);
+int      packet_is_interactive(void);
+
+void     packet_start(u_char);
+void     packet_put_char(int ch);
+void     packet_put_int(u_int value);
+void     packet_put_bignum(BIGNUM * value);
+void     packet_put_bignum2(BIGNUM * value);
+void     packet_put_string(const char *buf, u_int len);
+void     packet_put_cstring(const char *str);
+void     packet_put_raw(const char *buf, u_int len);
+void     packet_send(void);
+
+int      packet_read(int *payload_len_ptr);
+void     packet_read_expect(int *payload_len_ptr, int type);
+int      packet_read_poll(int *packet_len_ptr);
+void     packet_process_incoming(const char *buf, u_int len);
+
+u_int   packet_get_char(void);
+u_int   packet_get_int(void);
+void     packet_get_bignum(BIGNUM * value, int *length_ptr);
+void     packet_get_bignum2(BIGNUM * value, int *length_ptr);
+char   *packet_get_raw(int *length_ptr);
+char    *packet_get_string(u_int *length_ptr);
+void     packet_disconnect(const char *fmt,...) __attribute__((format(printf, 1, 2)));
+void     packet_send_debug(const char *fmt,...) __attribute__((format(printf, 1, 2)));
+
+void     packet_write_poll(void);
+void     packet_write_wait(void);
+int      packet_have_data_to_write(void);
+int      packet_not_very_much_data_to_write(void);
+
+int     packet_connection_is_on_socket(void);
+int     packet_connection_is_ipv4(void);
+int     packet_remaining(void);
+void    packet_send_ignore(int);
+void    packet_add_padding(u_char);
+
+void    tty_make_modes(int, struct termios *);
+void    tty_parse_modes(int, int *);
+
+extern int max_packet_size;
+int      packet_set_maxsize(int);
+#define  packet_get_maxsize() max_packet_size
+
+#define packet_integrity_check(payload_len, expected_len, type) \
+do { \
+       int _p = (payload_len), _e = (expected_len); \
+       if (_p != _e) { \
+               log("Packet integrity error (%d != %d) at %s:%d", \
+                   _p, _e, __FILE__, __LINE__); \
+               packet_disconnect("Packet integrity error. (%d)", (type)); \
+       } \
+} while (0)
+
+#define packet_done() \
+do { \
+       int _len = packet_remaining(); \
+       if (_len > 0) { \
+               log("Packet integrity error (%d bytes remaining) at %s:%d", \
+                   _len ,__FILE__, __LINE__); \
+               packet_disconnect("Packet integrity error."); \
+       } \
+} while (0)
+
+#endif                         /* PACKET_H */