11 typedef struct ssh_tag *Ssh;
13 extern int sshfwd_write(struct ssh_channel *c, char *, int);
14 extern void sshfwd_write_eof(struct ssh_channel *c);
15 extern void sshfwd_unclean_close(struct ssh_channel *c, const char *err);
16 extern void sshfwd_unthrottle(struct ssh_channel *c, int bufsize);
17 Conf *sshfwd_get_conf(struct ssh_channel *c);
18 void sshfwd_x11_sharing_handover(struct ssh_channel *c,
19 void *share_cs, void *share_chan,
20 const char *peer_addr, int peer_port,
21 int endian, int protomajor, int protominor,
22 const void *initial_data, int initial_len);
23 void sshfwd_x11_is_local(struct ssh_channel *c);
25 extern Socket ssh_connection_sharing_init(const char *host, int port,
26 Conf *conf, Ssh ssh, void **state);
27 void share_got_pkt_from_server(void *ctx, int type,
28 unsigned char *pkt, int pktlen);
29 void share_activate(void *state, const char *server_verstring);
30 void sharestate_free(void *state);
31 int share_ndownstreams(void *state);
33 void ssh_connshare_log(Ssh ssh, int event, const char *logtext,
34 const char *ds_err, const char *us_err);
35 unsigned ssh_alloc_sharing_channel(Ssh ssh, void *sharing_ctx);
36 void ssh_delete_sharing_channel(Ssh ssh, unsigned localid);
37 int ssh_alloc_sharing_rportfwd(Ssh ssh, const char *shost, int sport,
39 void ssh_sharing_queue_global_request(Ssh ssh, void *share_ctx);
40 struct X11FakeAuth *ssh_sharing_add_x11_display(Ssh ssh, int authtype,
43 void ssh_sharing_remove_x11_display(Ssh ssh, struct X11FakeAuth *auth);
44 void ssh_send_packet_from_downstream(Ssh ssh, unsigned id, int type,
45 const void *pkt, int pktlen,
46 const char *additional_log_text);
47 void ssh_sharing_downstream_connected(Ssh ssh, unsigned id);
48 void ssh_sharing_downstream_disconnected(Ssh ssh, unsigned id);
49 void ssh_sharing_logf(Ssh ssh, unsigned id, const char *logfmt, ...);
50 int ssh_agent_forwarding_permitted(Ssh ssh);
51 void share_setup_x11_channel(void *csv, void *chanv,
52 unsigned upstream_id, unsigned server_id,
53 unsigned server_currwin, unsigned server_maxpkt,
54 unsigned client_adjusted_window,
55 const char *peer_addr, int peer_port, int endian,
56 int protomajor, int protominor,
57 const void *initial_data, int initial_len);
63 #define lenof(x) ( (sizeof((x))) / (sizeof(*(x))))
66 #define SSH_CIPHER_IDEA 1
67 #define SSH_CIPHER_DES 2
68 #define SSH_CIPHER_3DES 3
69 #define SSH_CIPHER_BLOWFISH 6
77 #ifndef BIGNUM_INTERNAL
85 unsigned long exponent;
86 unsigned char *modulus;
90 Bignum private_exponent;
102 int makekey(unsigned char *data, int len, struct RSAKey *result,
103 unsigned char **keystr, int order);
104 int makeprivate(unsigned char *data, int len, struct RSAKey *result);
105 int rsaencrypt(unsigned char *data, int length, struct RSAKey *key);
106 Bignum rsadecrypt(Bignum input, struct RSAKey *key);
107 void rsasign(unsigned char *data, int length, struct RSAKey *key);
108 void rsasanitise(struct RSAKey *key);
109 int rsastr_len(struct RSAKey *key);
110 void rsastr_fmt(char *str, struct RSAKey *key);
111 void rsa_fingerprint(char *str, int len, struct RSAKey *key);
112 int rsa_verify(struct RSAKey *key);
113 unsigned char *rsa_public_blob(struct RSAKey *key, int *len);
114 int rsa_public_blob_len(void *data, int maxlen);
115 void freersakey(struct RSAKey *key);
117 #ifndef PUTTY_UINT32_DEFINED
118 /* This makes assumptions about the int type. */
119 typedef unsigned int uint32;
120 #define PUTTY_UINT32_DEFINED
122 typedef uint32 word32;
124 unsigned long crc32_compute(const void *s, size_t len);
125 unsigned long crc32_update(unsigned long crc_input, const void *s, size_t len);
127 /* SSH CRC compensation attack detector */
128 void *crcda_make_context(void);
129 void crcda_free_context(void *handle);
130 int detect_attack(void *handle, unsigned char *buf, uint32 len,
134 * SSH2 RSA key exchange functions
137 void *ssh_rsakex_newkey(char *data, int len);
138 void ssh_rsakex_freekey(void *key);
139 int ssh_rsakex_klen(void *key);
140 void ssh_rsakex_encrypt(const struct ssh_hash *h, unsigned char *in, int inlen,
141 unsigned char *out, int outlen,
145 * Helper function for k generation in DSA, reused in ECDSA
147 Bignum *dss_gen_k(const char *id_string, Bignum modulus, Bignum private_key,
148 unsigned char *digest, int digest_len);
159 unsigned char block[64];
165 void MD5Init(struct MD5Context *context);
166 void MD5Update(struct MD5Context *context, unsigned char const *buf,
168 void MD5Final(unsigned char digest[16], struct MD5Context *context);
169 void MD5Simple(void const *p, unsigned len, unsigned char output[16]);
171 void *hmacmd5_make_context(void);
172 void hmacmd5_free_context(void *handle);
173 void hmacmd5_key(void *handle, void const *key, int len);
174 void hmacmd5_do_hmac(void *handle, unsigned char const *blk, int len,
175 unsigned char *hmac);
179 unsigned char block[64];
183 void SHA_Init(SHA_State * s);
184 void SHA_Bytes(SHA_State * s, const void *p, int len);
185 void SHA_Final(SHA_State * s, unsigned char *output);
186 void SHA_Simple(const void *p, int len, unsigned char *output);
188 void hmac_sha1_simple(void *key, int keylen, void *data, int datalen,
189 unsigned char *output);
192 unsigned char block[64];
196 void SHA256_Init(SHA256_State * s);
197 void SHA256_Bytes(SHA256_State * s, const void *p, int len);
198 void SHA256_Final(SHA256_State * s, unsigned char *output);
199 void SHA256_Simple(const void *p, int len, unsigned char *output);
203 unsigned char block[128];
207 void SHA512_Init(SHA512_State * s);
208 void SHA512_Bytes(SHA512_State * s, const void *p, int len);
209 void SHA512_Final(SHA512_State * s, unsigned char *output);
210 void SHA512_Simple(const void *p, int len, unsigned char *output);
213 void *(*make_context)(void);
214 void (*free_context)(void *);
215 void (*sesskey) (void *, unsigned char *key); /* for SSH-1 */
216 void (*encrypt) (void *, unsigned char *blk, int len);
217 void (*decrypt) (void *, unsigned char *blk, int len);
223 void *(*make_context)(void);
224 void (*free_context)(void *);
225 void (*setiv) (void *, unsigned char *key); /* for SSH-2 */
226 void (*setkey) (void *, unsigned char *key);/* for SSH-2 */
227 void (*encrypt) (void *, unsigned char *blk, int len);
228 void (*decrypt) (void *, unsigned char *blk, int len);
233 #define SSH_CIPHER_IS_CBC 1
237 struct ssh2_ciphers {
239 const struct ssh2_cipher *const *list;
243 void *(*make_context)(void);
244 void (*free_context)(void *);
245 void (*setkey) (void *, unsigned char *key);
246 /* whole-packet operations */
247 void (*generate) (void *, unsigned char *blk, int len, unsigned long seq);
248 int (*verify) (void *, unsigned char *blk, int len, unsigned long seq);
249 /* partial-packet operations */
250 void (*start) (void *);
251 void (*bytes) (void *, unsigned char const *, int);
252 void (*genresult) (void *, unsigned char *);
253 int (*verresult) (void *, unsigned char const *);
260 void *(*init)(void); /* also allocates context */
261 void (*bytes)(void *, void *, int);
262 void (*final)(void *, unsigned char *); /* also frees context */
263 int hlen; /* output length in bytes */
268 char *name, *groupname;
269 enum { KEXTYPE_DH, KEXTYPE_RSA } main_type;
271 const unsigned char *pdata, *gdata; /* NULL means group exchange */
273 const struct ssh_hash *hash;
278 const struct ssh_kex *const *list;
282 void *(*newkey) (char *data, int len);
283 void (*freekey) (void *key);
284 char *(*fmtkey) (void *key);
285 unsigned char *(*public_blob) (void *key, int *len);
286 unsigned char *(*private_blob) (void *key, int *len);
287 void *(*createkey) (unsigned char *pub_blob, int pub_len,
288 unsigned char *priv_blob, int priv_len);
289 void *(*openssh_createkey) (unsigned char **blob, int *len);
290 int (*openssh_fmtkey) (void *key, unsigned char *blob, int len);
291 int (*pubkey_bits) (void *blob, int len);
292 char *(*fingerprint) (void *key);
293 int (*verifysig) (void *key, char *sig, int siglen,
294 char *data, int datalen);
295 unsigned char *(*sign) (void *key, char *data, int datalen,
298 char *keytype; /* for host key cache */
301 struct ssh_compress {
303 /* For zlib@openssh.com: if non-NULL, this name will be considered once
304 * userauth has completed successfully. */
306 void *(*compress_init) (void);
307 void (*compress_cleanup) (void *);
308 int (*compress) (void *, unsigned char *block, int len,
309 unsigned char **outblock, int *outlen);
310 void *(*decompress_init) (void);
311 void (*decompress_cleanup) (void *);
312 int (*decompress) (void *, unsigned char *block, int len,
313 unsigned char **outblock, int *outlen);
314 int (*disable_compression) (void *);
318 struct ssh2_userkey {
319 const struct ssh_signkey *alg; /* the key algorithm */
320 void *data; /* the key data */
321 char *comment; /* the key comment */
324 /* The maximum length of any hash algorithm used in kex. (bytes) */
325 #define SSH2_KEX_MAX_HASH_LEN (32) /* SHA-256 */
327 extern const struct ssh_cipher ssh_3des;
328 extern const struct ssh_cipher ssh_des;
329 extern const struct ssh_cipher ssh_blowfish_ssh1;
330 extern const struct ssh2_ciphers ssh2_3des;
331 extern const struct ssh2_ciphers ssh2_des;
332 extern const struct ssh2_ciphers ssh2_aes;
333 extern const struct ssh2_ciphers ssh2_blowfish;
334 extern const struct ssh2_ciphers ssh2_arcfour;
335 extern const struct ssh_hash ssh_sha1;
336 extern const struct ssh_hash ssh_sha256;
337 extern const struct ssh_kexes ssh_diffiehellman_group1;
338 extern const struct ssh_kexes ssh_diffiehellman_group14;
339 extern const struct ssh_kexes ssh_diffiehellman_gex;
340 extern const struct ssh_kexes ssh_rsa_kex;
341 extern const struct ssh_signkey ssh_dss;
342 extern const struct ssh_signkey ssh_rsa;
343 extern const struct ssh_mac ssh_hmac_md5;
344 extern const struct ssh_mac ssh_hmac_sha1;
345 extern const struct ssh_mac ssh_hmac_sha1_buggy;
346 extern const struct ssh_mac ssh_hmac_sha1_96;
347 extern const struct ssh_mac ssh_hmac_sha1_96_buggy;
348 extern const struct ssh_mac ssh_hmac_sha256;
350 void *aes_make_context(void);
351 void aes_free_context(void *handle);
352 void aes128_key(void *handle, unsigned char *key);
353 void aes192_key(void *handle, unsigned char *key);
354 void aes256_key(void *handle, unsigned char *key);
355 void aes_iv(void *handle, unsigned char *iv);
356 void aes_ssh2_encrypt_blk(void *handle, unsigned char *blk, int len);
357 void aes_ssh2_decrypt_blk(void *handle, unsigned char *blk, int len);
360 * PuTTY version number formatted as an SSH version string.
362 extern char sshver[];
365 * Gross hack: pscp will try to start SFTP but fall back to scp1 if
366 * that fails. This variable is the means by which scp.c can reach
367 * into the SSH code and find out which one it got.
369 extern int ssh_fallback_cmd(void *handle);
372 void SHATransform(word32 * digest, word32 * data);
375 int random_byte(void);
376 void random_add_noise(void *noise, int length);
377 void random_add_heavynoise(void *noise, int length);
379 void logevent(void *, const char *);
381 struct PortForwarding;
383 /* Allocate and register a new channel for port forwarding */
384 void *new_sock_channel(void *handle, struct PortForwarding *pf);
385 void ssh_send_port_open(void *channel, char *hostname, int port, char *org);
387 /* Exports from portfwd.c */
388 extern char *pfd_connect(struct PortForwarding **pf, char *hostname, int port,
389 void *c, Conf *conf, int addressfamily);
390 extern void pfd_close(struct PortForwarding *);
391 extern int pfd_send(struct PortForwarding *, char *data, int len);
392 extern void pfd_send_eof(struct PortForwarding *);
393 extern void pfd_confirm(struct PortForwarding *);
394 extern void pfd_unthrottle(struct PortForwarding *);
395 extern void pfd_override_throttle(struct PortForwarding *, int enable);
397 /* desthost == NULL indicates dynamic (SOCKS) port forwarding */
398 extern char *pfl_listen(char *desthost, int destport, char *srcaddr,
399 int port, void *backhandle, Conf *conf,
400 struct PortListener **pl, int address_family);
401 extern void pfl_terminate(struct PortListener *);
403 /* Exports from x11fwd.c */
405 X11_TRANS_IPV4 = 0, X11_TRANS_IPV6 = 6, X11_TRANS_UNIX = 256
408 /* Broken-down components of the display name itself */
413 /* OSX sometimes replaces all the above with a full Unix-socket pathname */
414 char *unixsocketpath;
416 /* PuTTY networking SockAddr to connect to the display, and associated
422 /* Our local auth details for talking to the real X display. */
424 unsigned char *localauthdata;
425 int localauthdatalen;
428 /* Auth details we invented for a virtual display on the SSH server. */
435 /* The encrypted form of the first block, in XDM-AUTHORIZATION-1.
436 * Used as part of the key when these structures are organised
437 * into a tree. See x11_invent_fake_auth for explanation. */
438 unsigned char *xa1_firstblock;
441 * Used inside x11fwd.c to remember recently seen
442 * XDM-AUTHORIZATION-1 strings, to avoid replay attacks.
447 * What to do with an X connection matching this auth data.
449 struct X11Display *disp;
450 void *share_cs, *share_chan;
452 void *x11_make_greeting(int endian, int protomajor, int protominor,
453 int auth_proto, const void *auth_data, int auth_len,
454 const char *peer_ip, int peer_port,
456 int x11_authcmp(void *av, void *bv); /* for putting X11FakeAuth in a tree234 */
458 * x11_setup_display() parses the display variable and fills in an
459 * X11Display structure. Some remote auth details are invented;
460 * the supplied authtype parameter configures the preferred
461 * authorisation protocol to use at the remote end. The local auth
462 * details are looked up by calling platform_get_x11_auth.
464 extern struct X11Display *x11_setup_display(char *display, Conf *);
465 void x11_free_display(struct X11Display *disp);
466 struct X11FakeAuth *x11_invent_fake_auth(tree234 *t, int authtype);
467 void x11_free_fake_auth(struct X11FakeAuth *auth);
468 struct X11Connection; /* opaque outside x11fwd.c */
469 struct X11Connection *x11_init(tree234 *authtree, void *, const char *, int);
470 extern void x11_close(struct X11Connection *);
471 extern int x11_send(struct X11Connection *, char *, int);
472 extern void x11_send_eof(struct X11Connection *s);
473 extern void x11_unthrottle(struct X11Connection *s);
474 extern void x11_override_throttle(struct X11Connection *s, int enable);
475 char *x11_display(const char *display);
476 /* Platform-dependent X11 functions */
477 extern void platform_get_x11_auth(struct X11Display *display, Conf *);
478 /* examine a mostly-filled-in X11Display and fill in localauth* */
479 extern const int platform_uses_x11_unix_by_default;
480 /* choose default X transport in the absence of a specified one */
481 SockAddr platform_get_x11_unix_address(const char *path, int displaynum);
482 /* make up a SockAddr naming the address for displaynum */
483 char *platform_get_x_display(void);
484 /* allocated local X display string, if any */
485 /* Callbacks in x11.c usable _by_ platform X11 functions */
487 * This function does the job of platform_get_x11_auth, provided
488 * it is told where to find a normally formatted .Xauthority file:
489 * it opens that file, parses it to find an auth record which
490 * matches the display details in "display", and fills in the
493 * It is expected that most implementations of
494 * platform_get_x11_auth() will work by finding their system's
495 * .Xauthority file, adjusting the display details if necessary
496 * for local oddities like Unix-domain socket transport, and
497 * calling this function to do the rest of the work.
499 void x11_get_auth_from_authfile(struct X11Display *display,
500 const char *authfilename);
501 int x11_identify_auth_proto(const char *proto);
502 void *x11_dehexify(const char *hex, int *outlen);
504 Bignum copybn(Bignum b);
505 Bignum bn_power_2(int n);
506 void bn_restore_invariant(Bignum b);
507 Bignum bignum_from_long(unsigned long n);
508 void freebn(Bignum b);
509 Bignum modpow(Bignum base, Bignum exp, Bignum mod);
510 Bignum modmul(Bignum a, Bignum b, Bignum mod);
511 void decbn(Bignum n);
512 extern Bignum Zero, One;
513 Bignum bignum_from_bytes(const unsigned char *data, int nbytes);
514 int ssh1_read_bignum(const unsigned char *data, int len, Bignum * result);
515 int bignum_bitcount(Bignum bn);
516 int ssh1_bignum_length(Bignum bn);
517 int ssh2_bignum_length(Bignum bn);
518 int bignum_byte(Bignum bn, int i);
519 int bignum_bit(Bignum bn, int i);
520 void bignum_set_bit(Bignum bn, int i, int value);
521 int ssh1_write_bignum(void *data, Bignum bn);
522 Bignum biggcd(Bignum a, Bignum b);
523 unsigned short bignum_mod_short(Bignum number, unsigned short modulus);
524 Bignum bignum_add_long(Bignum number, unsigned long addend);
525 Bignum bigadd(Bignum a, Bignum b);
526 Bignum bigsub(Bignum a, Bignum b);
527 Bignum bigmul(Bignum a, Bignum b);
528 Bignum bigmuladd(Bignum a, Bignum b, Bignum addend);
529 Bignum bigdiv(Bignum a, Bignum b);
530 Bignum bigmod(Bignum a, Bignum b);
531 Bignum modinv(Bignum number, Bignum modulus);
532 Bignum bignum_bitmask(Bignum number);
533 Bignum bignum_rshift(Bignum number, int shift);
534 int bignum_cmp(Bignum a, Bignum b);
535 char *bignum_decimal(Bignum x);
538 void diagbn(char *prefix, Bignum md);
541 void *dh_setup_group(const struct ssh_kex *kex);
542 void *dh_setup_gex(Bignum pval, Bignum gval);
543 void dh_cleanup(void *);
544 Bignum dh_create_e(void *, int nbits);
545 Bignum dh_find_K(void *, Bignum f);
547 int loadrsakey(const Filename *filename, struct RSAKey *key,
548 char *passphrase, const char **errorstr);
549 int rsakey_encrypted(const Filename *filename, char **comment);
550 int rsakey_pubblob(const Filename *filename, void **blob, int *bloblen,
551 char **commentptr, const char **errorstr);
553 int saversakey(const Filename *filename, struct RSAKey *key, char *passphrase);
555 extern int base64_decode_atom(char *atom, unsigned char *out);
556 extern int base64_lines(int datalen);
557 extern void base64_encode_atom(unsigned char *data, int n, char *out);
558 extern void base64_encode(FILE *fp, unsigned char *data, int datalen, int cpl);
560 /* ssh2_load_userkey can return this as an error */
561 extern struct ssh2_userkey ssh2_wrong_passphrase;
562 #define SSH2_WRONG_PASSPHRASE (&ssh2_wrong_passphrase)
564 int ssh2_userkey_encrypted(const Filename *filename, char **comment);
565 struct ssh2_userkey *ssh2_load_userkey(const Filename *filename,
566 char *passphrase, const char **errorstr);
567 unsigned char *ssh2_userkey_loadpub(const Filename *filename, char **algorithm,
568 int *pub_blob_len, char **commentptr,
569 const char **errorstr);
570 int ssh2_save_userkey(const Filename *filename, struct ssh2_userkey *key,
572 const struct ssh_signkey *find_pubkey_alg(const char *name);
575 SSH_KEYTYPE_UNOPENABLE,
577 SSH_KEYTYPE_SSH1, SSH_KEYTYPE_SSH2,
578 SSH_KEYTYPE_OPENSSH, SSH_KEYTYPE_SSHCOM
580 int key_type(const Filename *filename);
581 char *key_type_to_str(int type);
583 int import_possible(int type);
584 int import_target_type(int type);
585 int import_encrypted(const Filename *filename, int type, char **comment);
586 int import_ssh1(const Filename *filename, int type,
587 struct RSAKey *key, char *passphrase, const char **errmsg_p);
588 struct ssh2_userkey *import_ssh2(const Filename *filename, int type,
589 char *passphrase, const char **errmsg_p);
590 int export_ssh1(const Filename *filename, int type,
591 struct RSAKey *key, char *passphrase);
592 int export_ssh2(const Filename *filename, int type,
593 struct ssh2_userkey *key, char *passphrase);
595 void des3_decrypt_pubkey(unsigned char *key, unsigned char *blk, int len);
596 void des3_encrypt_pubkey(unsigned char *key, unsigned char *blk, int len);
597 void des3_decrypt_pubkey_ossh(unsigned char *key, unsigned char *iv,
598 unsigned char *blk, int len);
599 void des3_encrypt_pubkey_ossh(unsigned char *key, unsigned char *iv,
600 unsigned char *blk, int len);
601 void aes256_encrypt_pubkey(unsigned char *key, unsigned char *blk,
603 void aes256_decrypt_pubkey(unsigned char *key, unsigned char *blk,
606 void des_encrypt_xdmauth(const unsigned char *key,
607 unsigned char *blk, int len);
608 void des_decrypt_xdmauth(const unsigned char *key,
609 unsigned char *blk, int len);
612 * For progress updates in the key generation utility.
614 #define PROGFN_INITIALISE 1
615 #define PROGFN_LIN_PHASE 2
616 #define PROGFN_EXP_PHASE 3
617 #define PROGFN_PHASE_EXTENT 4
618 #define PROGFN_READY 5
619 #define PROGFN_PROGRESS 6
620 typedef void (*progfn_t) (void *param, int action, int phase, int progress);
622 int rsa_generate(struct RSAKey *key, int bits, progfn_t pfn,
624 int dsa_generate(struct dss_key *key, int bits, progfn_t pfn,
626 Bignum primegen(int bits, int modulus, int residue, Bignum factor,
627 int phase, progfn_t pfn, void *pfnparam, unsigned firstbits);
628 void invent_firstbits(unsigned *one, unsigned *two);
634 void *zlib_compress_init(void);
635 void zlib_compress_cleanup(void *);
636 void *zlib_decompress_init(void);
637 void zlib_decompress_cleanup(void *);
638 int zlib_compress_block(void *, unsigned char *block, int len,
639 unsigned char **outblock, int *outlen);
640 int zlib_decompress_block(void *, unsigned char *block, int len,
641 unsigned char **outblock, int *outlen);
644 * Connection-sharing API provided by platforms. This function must
646 * - return SHARE_NONE and do nothing
647 * - return SHARE_DOWNSTREAM and set *sock to a Socket connected to
649 * - return SHARE_UPSTREAM and set *sock to a Socket connected to
652 enum { SHARE_NONE, SHARE_DOWNSTREAM, SHARE_UPSTREAM };
653 int platform_ssh_share(const char *name, Conf *conf,
654 Plug downplug, Plug upplug, Socket *sock,
655 char **logtext, char **ds_err, char **us_err,
656 int can_upstream, int can_downstream);
657 void platform_ssh_share_cleanup(const char *name);
660 * SSH-1 message type codes.
662 #define SSH1_MSG_DISCONNECT 1 /* 0x1 */
663 #define SSH1_SMSG_PUBLIC_KEY 2 /* 0x2 */
664 #define SSH1_CMSG_SESSION_KEY 3 /* 0x3 */
665 #define SSH1_CMSG_USER 4 /* 0x4 */
666 #define SSH1_CMSG_AUTH_RSA 6 /* 0x6 */
667 #define SSH1_SMSG_AUTH_RSA_CHALLENGE 7 /* 0x7 */
668 #define SSH1_CMSG_AUTH_RSA_RESPONSE 8 /* 0x8 */
669 #define SSH1_CMSG_AUTH_PASSWORD 9 /* 0x9 */
670 #define SSH1_CMSG_REQUEST_PTY 10 /* 0xa */
671 #define SSH1_CMSG_WINDOW_SIZE 11 /* 0xb */
672 #define SSH1_CMSG_EXEC_SHELL 12 /* 0xc */
673 #define SSH1_CMSG_EXEC_CMD 13 /* 0xd */
674 #define SSH1_SMSG_SUCCESS 14 /* 0xe */
675 #define SSH1_SMSG_FAILURE 15 /* 0xf */
676 #define SSH1_CMSG_STDIN_DATA 16 /* 0x10 */
677 #define SSH1_SMSG_STDOUT_DATA 17 /* 0x11 */
678 #define SSH1_SMSG_STDERR_DATA 18 /* 0x12 */
679 #define SSH1_CMSG_EOF 19 /* 0x13 */
680 #define SSH1_SMSG_EXIT_STATUS 20 /* 0x14 */
681 #define SSH1_MSG_CHANNEL_OPEN_CONFIRMATION 21 /* 0x15 */
682 #define SSH1_MSG_CHANNEL_OPEN_FAILURE 22 /* 0x16 */
683 #define SSH1_MSG_CHANNEL_DATA 23 /* 0x17 */
684 #define SSH1_MSG_CHANNEL_CLOSE 24 /* 0x18 */
685 #define SSH1_MSG_CHANNEL_CLOSE_CONFIRMATION 25 /* 0x19 */
686 #define SSH1_SMSG_X11_OPEN 27 /* 0x1b */
687 #define SSH1_CMSG_PORT_FORWARD_REQUEST 28 /* 0x1c */
688 #define SSH1_MSG_PORT_OPEN 29 /* 0x1d */
689 #define SSH1_CMSG_AGENT_REQUEST_FORWARDING 30 /* 0x1e */
690 #define SSH1_SMSG_AGENT_OPEN 31 /* 0x1f */
691 #define SSH1_MSG_IGNORE 32 /* 0x20 */
692 #define SSH1_CMSG_EXIT_CONFIRMATION 33 /* 0x21 */
693 #define SSH1_CMSG_X11_REQUEST_FORWARDING 34 /* 0x22 */
694 #define SSH1_CMSG_AUTH_RHOSTS_RSA 35 /* 0x23 */
695 #define SSH1_MSG_DEBUG 36 /* 0x24 */
696 #define SSH1_CMSG_REQUEST_COMPRESSION 37 /* 0x25 */
697 #define SSH1_CMSG_AUTH_TIS 39 /* 0x27 */
698 #define SSH1_SMSG_AUTH_TIS_CHALLENGE 40 /* 0x28 */
699 #define SSH1_CMSG_AUTH_TIS_RESPONSE 41 /* 0x29 */
700 #define SSH1_CMSG_AUTH_CCARD 70 /* 0x46 */
701 #define SSH1_SMSG_AUTH_CCARD_CHALLENGE 71 /* 0x47 */
702 #define SSH1_CMSG_AUTH_CCARD_RESPONSE 72 /* 0x48 */
704 #define SSH1_AUTH_RHOSTS 1 /* 0x1 */
705 #define SSH1_AUTH_RSA 2 /* 0x2 */
706 #define SSH1_AUTH_PASSWORD 3 /* 0x3 */
707 #define SSH1_AUTH_RHOSTS_RSA 4 /* 0x4 */
708 #define SSH1_AUTH_TIS 5 /* 0x5 */
709 #define SSH1_AUTH_CCARD 16 /* 0x10 */
711 #define SSH1_PROTOFLAG_SCREEN_NUMBER 1 /* 0x1 */
712 /* Mask for protoflags we will echo back to server if seen */
713 #define SSH1_PROTOFLAGS_SUPPORTED 0 /* 0x1 */
716 * SSH-2 message type codes.
718 #define SSH2_MSG_DISCONNECT 1 /* 0x1 */
719 #define SSH2_MSG_IGNORE 2 /* 0x2 */
720 #define SSH2_MSG_UNIMPLEMENTED 3 /* 0x3 */
721 #define SSH2_MSG_DEBUG 4 /* 0x4 */
722 #define SSH2_MSG_SERVICE_REQUEST 5 /* 0x5 */
723 #define SSH2_MSG_SERVICE_ACCEPT 6 /* 0x6 */
724 #define SSH2_MSG_KEXINIT 20 /* 0x14 */
725 #define SSH2_MSG_NEWKEYS 21 /* 0x15 */
726 #define SSH2_MSG_KEXDH_INIT 30 /* 0x1e */
727 #define SSH2_MSG_KEXDH_REPLY 31 /* 0x1f */
728 #define SSH2_MSG_KEX_DH_GEX_REQUEST 30 /* 0x1e */
729 #define SSH2_MSG_KEX_DH_GEX_GROUP 31 /* 0x1f */
730 #define SSH2_MSG_KEX_DH_GEX_INIT 32 /* 0x20 */
731 #define SSH2_MSG_KEX_DH_GEX_REPLY 33 /* 0x21 */
732 #define SSH2_MSG_KEXRSA_PUBKEY 30 /* 0x1e */
733 #define SSH2_MSG_KEXRSA_SECRET 31 /* 0x1f */
734 #define SSH2_MSG_KEXRSA_DONE 32 /* 0x20 */
735 #define SSH2_MSG_USERAUTH_REQUEST 50 /* 0x32 */
736 #define SSH2_MSG_USERAUTH_FAILURE 51 /* 0x33 */
737 #define SSH2_MSG_USERAUTH_SUCCESS 52 /* 0x34 */
738 #define SSH2_MSG_USERAUTH_BANNER 53 /* 0x35 */
739 #define SSH2_MSG_USERAUTH_PK_OK 60 /* 0x3c */
740 #define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60 /* 0x3c */
741 #define SSH2_MSG_USERAUTH_INFO_REQUEST 60 /* 0x3c */
742 #define SSH2_MSG_USERAUTH_INFO_RESPONSE 61 /* 0x3d */
743 #define SSH2_MSG_GLOBAL_REQUEST 80 /* 0x50 */
744 #define SSH2_MSG_REQUEST_SUCCESS 81 /* 0x51 */
745 #define SSH2_MSG_REQUEST_FAILURE 82 /* 0x52 */
746 #define SSH2_MSG_CHANNEL_OPEN 90 /* 0x5a */
747 #define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91 /* 0x5b */
748 #define SSH2_MSG_CHANNEL_OPEN_FAILURE 92 /* 0x5c */
749 #define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93 /* 0x5d */
750 #define SSH2_MSG_CHANNEL_DATA 94 /* 0x5e */
751 #define SSH2_MSG_CHANNEL_EXTENDED_DATA 95 /* 0x5f */
752 #define SSH2_MSG_CHANNEL_EOF 96 /* 0x60 */
753 #define SSH2_MSG_CHANNEL_CLOSE 97 /* 0x61 */
754 #define SSH2_MSG_CHANNEL_REQUEST 98 /* 0x62 */
755 #define SSH2_MSG_CHANNEL_SUCCESS 99 /* 0x63 */
756 #define SSH2_MSG_CHANNEL_FAILURE 100 /* 0x64 */
757 #define SSH2_MSG_USERAUTH_GSSAPI_RESPONSE 60
758 #define SSH2_MSG_USERAUTH_GSSAPI_TOKEN 61
759 #define SSH2_MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE 63
760 #define SSH2_MSG_USERAUTH_GSSAPI_ERROR 64
761 #define SSH2_MSG_USERAUTH_GSSAPI_ERRTOK 65
762 #define SSH2_MSG_USERAUTH_GSSAPI_MIC 66
765 * SSH-1 agent messages.
767 #define SSH1_AGENTC_REQUEST_RSA_IDENTITIES 1
768 #define SSH1_AGENT_RSA_IDENTITIES_ANSWER 2
769 #define SSH1_AGENTC_RSA_CHALLENGE 3
770 #define SSH1_AGENT_RSA_RESPONSE 4
771 #define SSH1_AGENTC_ADD_RSA_IDENTITY 7
772 #define SSH1_AGENTC_REMOVE_RSA_IDENTITY 8
773 #define SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9 /* openssh private? */
776 * Messages common to SSH-1 and OpenSSH's SSH-2.
778 #define SSH_AGENT_FAILURE 5
779 #define SSH_AGENT_SUCCESS 6
782 * OpenSSH's SSH-2 agent messages.
784 #define SSH2_AGENTC_REQUEST_IDENTITIES 11
785 #define SSH2_AGENT_IDENTITIES_ANSWER 12
786 #define SSH2_AGENTC_SIGN_REQUEST 13
787 #define SSH2_AGENT_SIGN_RESPONSE 14
788 #define SSH2_AGENTC_ADD_IDENTITY 17
789 #define SSH2_AGENTC_REMOVE_IDENTITY 18
790 #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19
793 * Assorted other SSH-related enumerations.
795 #define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1 /* 0x1 */
796 #define SSH2_DISCONNECT_PROTOCOL_ERROR 2 /* 0x2 */
797 #define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3 /* 0x3 */
798 #define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4 /* 0x4 */
799 #define SSH2_DISCONNECT_MAC_ERROR 5 /* 0x5 */
800 #define SSH2_DISCONNECT_COMPRESSION_ERROR 6 /* 0x6 */
801 #define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7 /* 0x7 */
802 #define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8 /* 0x8 */
803 #define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9 /* 0x9 */
804 #define SSH2_DISCONNECT_CONNECTION_LOST 10 /* 0xa */
805 #define SSH2_DISCONNECT_BY_APPLICATION 11 /* 0xb */
806 #define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS 12 /* 0xc */
807 #define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER 13 /* 0xd */
808 #define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14 /* 0xe */
809 #define SSH2_DISCONNECT_ILLEGAL_USER_NAME 15 /* 0xf */
811 #define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1 /* 0x1 */
812 #define SSH2_OPEN_CONNECT_FAILED 2 /* 0x2 */
813 #define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3 /* 0x3 */
814 #define SSH2_OPEN_RESOURCE_SHORTAGE 4 /* 0x4 */
816 #define SSH2_EXTENDED_DATA_STDERR 1 /* 0x1 */
819 * Need this to warn about support for the original SSH-2 keyfile
822 void old_keyfile_warning(void);