Annotation of src/usr.bin/ssh/packet.h, Revision 1.54
1.54 ! djm 1: /* $OpenBSD: packet.h,v 1.53 2010/08/31 09:58:37 djm Exp $ */
1.33 stevesk 2:
1.1 deraadt 3: /*
1.5 deraadt 4: * Author: Tatu Ylonen <ylo@cs.hut.fi>
5: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
6: * All rights reserved
7: * Interface for the packet protocol functions.
1.15 markus 8: *
1.17 deraadt 9: * As far as I am concerned, the code I have written for this software
10: * can be used freely for any purpose. Any derived versions of this
11: * software must be clearly marked as such, and if the derived work is
12: * incompatible with the protocol description in the RFC file, it must be
13: * called by a name other than "ssh" or "Secure Shell".
1.5 deraadt 14: */
1.1 deraadt 15:
16: #ifndef PACKET_H
17: #define PACKET_H
1.44 stevesk 18:
19: #include <termios.h>
1.1 deraadt 20:
1.13 markus 21: #include <openssl/bn.h>
1.54 ! djm 22: #include <openssl/ec.h>
1.1 deraadt 23:
1.25 markus 24: void packet_set_connection(int, int);
1.48 dtucker 25: void packet_set_timeout(int, int);
1.25 markus 26: void packet_set_nonblocking(void);
27: int packet_get_connection_in(void);
28: int packet_get_connection_out(void);
29: void packet_close(void);
30: void packet_set_encryption_key(const u_char *, u_int, int);
1.35 markus 31: u_int packet_get_encryption_key(u_char *);
1.25 markus 32: void packet_set_protocol_flags(u_int);
33: u_int packet_get_protocol_flags(void);
34: void packet_start_compression(int);
35: void packet_set_interactive(int);
36: int packet_is_interactive(void);
1.43 markus 37: void packet_set_server(void);
38: void packet_set_authenticated(void);
1.25 markus 39:
40: void packet_start(u_char);
41: void packet_put_char(int ch);
42: void packet_put_int(u_int value);
1.51 andreas 43: void packet_put_int64(u_int64_t value);
1.25 markus 44: void packet_put_bignum(BIGNUM * value);
45: void packet_put_bignum2(BIGNUM * value);
1.54 ! djm 46: void packet_put_ecpoint(const EC_GROUP *, const EC_POINT *);
1.27 stevesk 47: void packet_put_string(const void *buf, u_int len);
1.25 markus 48: void packet_put_cstring(const char *str);
1.27 stevesk 49: void packet_put_raw(const void *buf, u_int len);
1.25 markus 50: void packet_send(void);
51:
1.32 markus 52: int packet_read(void);
53: void packet_read_expect(int type);
54: int packet_read_poll(void);
1.25 markus 55: void packet_process_incoming(const char *buf, u_int len);
1.32 markus 56: int packet_read_seqnr(u_int32_t *seqnr_p);
57: int packet_read_poll_seqnr(u_int32_t *seqnr_p);
1.25 markus 58:
59: u_int packet_get_char(void);
60: u_int packet_get_int(void);
1.51 andreas 61: u_int64_t packet_get_int64(void);
1.31 markus 62: void packet_get_bignum(BIGNUM * value);
63: void packet_get_bignum2(BIGNUM * value);
1.54 ! djm 64: void packet_get_ecpoint(const EC_GROUP *, EC_POINT *);
1.42 djm 65: void *packet_get_raw(u_int *length_ptr);
1.27 stevesk 66: void *packet_get_string(u_int *length_ptr);
1.53 djm 67: char *packet_get_cstring(u_int *length_ptr);
1.47 markus 68: void *packet_get_string_ptr(u_int *length_ptr);
1.25 markus 69: void packet_disconnect(const char *fmt,...) __attribute__((format(printf, 1, 2)));
70: void packet_send_debug(const char *fmt,...) __attribute__((format(printf, 1, 2)));
1.34 markus 71:
72: void set_newkeys(int mode);
73: int packet_get_keyiv_len(int);
74: void packet_get_keyiv(int, u_char *, u_int);
75: int packet_get_keycontext(int, u_char *);
76: void packet_set_keycontext(int, u_char *);
1.49 markus 77: void packet_get_state(int, u_int32_t *, u_int64_t *, u_int32_t *, u_int64_t *);
78: void packet_set_state(int, u_int32_t, u_int64_t, u_int32_t, u_int64_t);
1.34 markus 79: int packet_get_ssh1_cipher(void);
80: void packet_set_iv(int, u_char *);
1.50 andreas 81: void *packet_get_newkeys(int);
1.25 markus 82:
83: void packet_write_poll(void);
84: void packet_write_wait(void);
85: int packet_have_data_to_write(void);
86: int packet_not_very_much_data_to_write(void);
87:
88: int packet_connection_is_on_socket(void);
89: int packet_connection_is_ipv4(void);
90: int packet_remaining(void);
91: void packet_send_ignore(int);
1.26 markus 92: void packet_add_padding(u_char);
1.1 deraadt 93:
1.25 markus 94: void tty_make_modes(int, struct termios *);
95: void tty_parse_modes(int, int *);
1.1 deraadt 96:
1.50 andreas 97: void packet_set_alive_timeouts(int);
98: int packet_inc_alive_timeouts(void);
1.41 deraadt 99: int packet_set_maxsize(u_int);
1.50 andreas 100: u_int packet_get_maxsize(void);
1.8 markus 101:
1.30 markus 102: /* don't allow remaining bytes after the end of the message */
103: #define packet_check_eom() \
1.14 markus 104: do { \
105: int _len = packet_remaining(); \
106: if (_len > 0) { \
1.39 itojun 107: logit("Packet integrity error (%d bytes remaining) at %s:%d", \
1.14 markus 108: _len ,__FILE__, __LINE__); \
109: packet_disconnect("Packet integrity error."); \
110: } \
111: } while (0)
1.38 markus 112:
113: int packet_need_rekeying(void);
114: void packet_set_rekey_limit(u_int32_t);
1.52 andreas 115:
116: void packet_backup_state(void);
117: void packet_restore_state(void);
1.50 andreas 118:
119: void *packet_get_input(void);
120: void *packet_get_output(void);
1.1 deraadt 121:
1.5 deraadt 122: #endif /* PACKET_H */
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