Annotation of src/usr.bin/ssh/packet.h, Revision 1.62
1.62 ! markus 1: /* $OpenBSD: packet.h,v 1.61 2014/05/03 17:20:34 markus 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>
1.62 ! markus 23: #include <sys/signal.h>
! 24: #include <sys/queue.h>
1.1 deraadt 25:
1.62 ! markus 26: struct kex;
! 27: struct sshkey;
! 28: struct sshbuf;
! 29: struct session_state; /* private session data */
! 30:
! 31: struct ssh {
! 32: /* Session state */
! 33: struct session_state *state;
! 34:
! 35: /* Key exchange */
! 36: struct kex *kex;
! 37:
! 38: /* cached remote ip address and port*/
! 39: char *remote_ipaddr;
! 40: int remote_port;
! 41:
! 42: /* datafellows */
! 43: int compat;
! 44: };
! 45:
! 46: struct ssh *ssh_alloc_session_state(void);
! 47: struct ssh *ssh_packet_set_connection(struct ssh *, int, int);
! 48: void ssh_packet_set_timeout(struct ssh *, int, int);
! 49: int ssh_packet_stop_discard(struct ssh *);
! 50: int ssh_packet_connection_af(struct ssh *);
! 51: void ssh_packet_set_nonblocking(struct ssh *);
! 52: int ssh_packet_get_connection_in(struct ssh *);
! 53: int ssh_packet_get_connection_out(struct ssh *);
! 54: void ssh_packet_close(struct ssh *);
! 55: void ssh_packet_set_encryption_key(struct ssh *, const u_char *, u_int, int);
! 56: void ssh_packet_set_protocol_flags(struct ssh *, u_int);
! 57: u_int ssh_packet_get_protocol_flags(struct ssh *);
! 58: int ssh_packet_start_compression(struct ssh *, int);
! 59: void ssh_packet_set_tos(struct ssh *, int);
! 60: void ssh_packet_set_interactive(struct ssh *, int, int, int);
! 61: int ssh_packet_is_interactive(struct ssh *);
! 62: void ssh_packet_set_server(struct ssh *);
! 63: void ssh_packet_set_authenticated(struct ssh *);
! 64:
! 65: int ssh_packet_send1(struct ssh *);
! 66: int ssh_packet_send2_wrapped(struct ssh *);
! 67: int ssh_packet_send2(struct ssh *);
! 68:
! 69: int ssh_packet_read(struct ssh *);
! 70: void ssh_packet_read_expect(struct ssh *, int type);
! 71: int ssh_packet_read_poll(struct ssh *);
! 72: int ssh_packet_read_poll1(struct ssh *, u_char *);
! 73: int ssh_packet_read_poll2(struct ssh *, u_char *, u_int32_t *seqnr_p);
! 74: void ssh_packet_process_incoming(struct ssh *, const char *buf, u_int len);
! 75: int ssh_packet_read_seqnr(struct ssh *, u_char *, u_int32_t *seqnr_p);
! 76: int ssh_packet_read_poll_seqnr(struct ssh *, u_char *, u_int32_t *seqnr_p);
! 77:
! 78: const void *ssh_packet_get_string_ptr(struct ssh *, u_int *length_ptr);
! 79: void ssh_packet_disconnect(struct ssh *, const char *fmt, ...)
! 80: __attribute__((format(printf, 2, 3)))
! 81: __attribute__((noreturn));
! 82: void ssh_packet_send_debug(struct ssh *, const char *fmt, ...) __attribute__((format(printf, 2, 3)));
! 83:
! 84: int ssh_set_newkeys(struct ssh *, int mode);
! 85: void ssh_packet_get_bytes(struct ssh *, u_int64_t *, u_int64_t *);
! 86:
! 87: typedef void *(ssh_packet_comp_alloc_func)(void *, u_int, u_int);
! 88: typedef void (ssh_packet_comp_free_func)(void *, void *);
! 89: void ssh_packet_set_compress_hooks(struct ssh *, void *,
! 90: ssh_packet_comp_alloc_func *, ssh_packet_comp_free_func *);
! 91:
! 92: void ssh_packet_write_poll(struct ssh *);
! 93: void ssh_packet_write_wait(struct ssh *);
! 94: int ssh_packet_have_data_to_write(struct ssh *);
! 95: int ssh_packet_not_very_much_data_to_write(struct ssh *);
! 96:
! 97: int ssh_packet_connection_is_on_socket(struct ssh *);
! 98: int ssh_packet_remaining(struct ssh *);
! 99: void ssh_packet_send_ignore(struct ssh *, int);
1.1 deraadt 100:
1.25 markus 101: void tty_make_modes(int, struct termios *);
102: void tty_parse_modes(int, int *);
1.1 deraadt 103:
1.62 ! markus 104: void ssh_packet_set_alive_timeouts(struct ssh *, int);
! 105: int ssh_packet_inc_alive_timeouts(struct ssh *);
! 106: int ssh_packet_set_maxsize(struct ssh *, u_int);
! 107: u_int ssh_packet_get_maxsize(struct ssh *);
! 108:
! 109: int ssh_packet_get_state(struct ssh *, struct sshbuf *);
! 110: int ssh_packet_set_state(struct ssh *, struct sshbuf *);
! 111:
! 112: const char *ssh_remote_ipaddr(struct ssh *);
! 113:
! 114: int ssh_packet_need_rekeying(struct ssh *);
! 115: void ssh_packet_set_rekey_limits(struct ssh *, u_int32_t, time_t);
! 116: time_t ssh_packet_get_rekey_timeout(struct ssh *);
! 117:
! 118: /* XXX FIXME */
! 119: void ssh_packet_backup_state(struct ssh *, struct ssh *);
! 120: void ssh_packet_restore_state(struct ssh *, struct ssh *);
! 121:
! 122: void *ssh_packet_get_input(struct ssh *);
! 123: void *ssh_packet_get_output(struct ssh *);
! 124:
! 125: /* new API */
! 126: int sshpkt_start(struct ssh *ssh, u_char type);
! 127: int sshpkt_send(struct ssh *ssh);
! 128: int sshpkt_disconnect(struct ssh *, const char *fmt, ...) __attribute__((format(printf, 2, 3)));
! 129: int sshpkt_add_padding(struct ssh *, u_char);
! 130:
! 131: int sshpkt_put(struct ssh *ssh, const void *v, size_t len);
! 132: int sshpkt_putb(struct ssh *ssh, const struct sshbuf *b);
! 133: int sshpkt_put_u8(struct ssh *ssh, u_char val);
! 134: int sshpkt_put_u32(struct ssh *ssh, u_int32_t val);
! 135: int sshpkt_put_u64(struct ssh *ssh, u_int64_t val);
! 136: int sshpkt_put_string(struct ssh *ssh, const void *v, size_t len);
! 137: int sshpkt_put_cstring(struct ssh *ssh, const void *v);
! 138: int sshpkt_put_stringb(struct ssh *ssh, const struct sshbuf *v);
! 139: int sshpkt_put_ec(struct ssh *ssh, const EC_POINT *v, const EC_GROUP *g);
! 140: int sshpkt_put_bignum1(struct ssh *ssh, const BIGNUM *v);
! 141: int sshpkt_put_bignum2(struct ssh *ssh, const BIGNUM *v);
! 142:
! 143: int sshpkt_get(struct ssh *ssh, void *valp, size_t len);
! 144: int sshpkt_get_u8(struct ssh *ssh, u_char *valp);
! 145: int sshpkt_get_u32(struct ssh *ssh, u_int32_t *valp);
! 146: int sshpkt_get_u64(struct ssh *ssh, u_int64_t *valp);
! 147: int sshpkt_get_string(struct ssh *ssh, u_char **valp, size_t *lenp);
! 148: int sshpkt_get_string_direct(struct ssh *ssh, const u_char **valp, size_t *lenp);
! 149: int sshpkt_get_cstring(struct ssh *ssh, char **valp, size_t *lenp);
! 150: int sshpkt_get_ec(struct ssh *ssh, EC_POINT *v, const EC_GROUP *g);
! 151: int sshpkt_get_bignum1(struct ssh *ssh, BIGNUM *v);
! 152: int sshpkt_get_bignum2(struct ssh *ssh, BIGNUM *v);
! 153: int sshpkt_get_end(struct ssh *ssh);
! 154: const u_char *sshpkt_ptr(struct ssh *, size_t *lenp);
! 155:
! 156: /* OLD API */
! 157: extern struct ssh *active_state;
! 158: #include "opacket.h"
1.1 deraadt 159:
1.5 deraadt 160: #endif /* PACKET_H */
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