12 extern int sshfwd_write(struct ssh_channel *c, char *, int);
13 extern void sshfwd_write_eof(struct ssh_channel *c);
14 extern void sshfwd_unclean_close(struct ssh_channel *c, const char *err);
15 extern void sshfwd_unthrottle(struct ssh_channel *c, int bufsize);
16 Conf *sshfwd_get_conf(struct ssh_channel *c);
22 #define lenof(x) ( (sizeof((x))) / (sizeof(*(x))))
25 #define SSH_CIPHER_IDEA 1
26 #define SSH_CIPHER_DES 2
27 #define SSH_CIPHER_3DES 3
28 #define SSH_CIPHER_BLOWFISH 6
36 #ifndef BIGNUM_INTERNAL
44 unsigned long exponent;
45 unsigned char *modulus;
49 Bignum private_exponent;
61 int makekey(unsigned char *data, int len, struct RSAKey *result,
62 unsigned char **keystr, int order);
63 int makeprivate(unsigned char *data, int len, struct RSAKey *result);
64 int rsaencrypt(unsigned char *data, int length, struct RSAKey *key);
65 Bignum rsadecrypt(Bignum input, struct RSAKey *key);
66 void rsasign(unsigned char *data, int length, struct RSAKey *key);
67 void rsasanitise(struct RSAKey *key);
68 int rsastr_len(struct RSAKey *key);
69 void rsastr_fmt(char *str, struct RSAKey *key);
70 void rsa_fingerprint(char *str, int len, struct RSAKey *key);
71 int rsa_verify(struct RSAKey *key);
72 unsigned char *rsa_public_blob(struct RSAKey *key, int *len);
73 int rsa_public_blob_len(void *data, int maxlen);
74 void freersakey(struct RSAKey *key);
76 #ifndef PUTTY_UINT32_DEFINED
77 /* This makes assumptions about the int type. */
78 typedef unsigned int uint32;
79 #define PUTTY_UINT32_DEFINED
81 typedef uint32 word32;
83 unsigned long crc32_compute(const void *s, size_t len);
84 unsigned long crc32_update(unsigned long crc_input, const void *s, size_t len);
86 /* SSH CRC compensation attack detector */
87 void *crcda_make_context(void);
88 void crcda_free_context(void *handle);
89 int detect_attack(void *handle, unsigned char *buf, uint32 len,
93 * SSH2 RSA key exchange functions
96 void *ssh_rsakex_newkey(char *data, int len);
97 void ssh_rsakex_freekey(void *key);
98 int ssh_rsakex_klen(void *key);
99 void ssh_rsakex_encrypt(const struct ssh_hash *h, unsigned char *in, int inlen,
100 unsigned char *out, int outlen,
112 unsigned char block[64];
118 void MD5Init(struct MD5Context *context);
119 void MD5Update(struct MD5Context *context, unsigned char const *buf,
121 void MD5Final(unsigned char digest[16], struct MD5Context *context);
122 void MD5Simple(void const *p, unsigned len, unsigned char output[16]);
124 void *hmacmd5_make_context(void);
125 void hmacmd5_free_context(void *handle);
126 void hmacmd5_key(void *handle, void const *key, int len);
127 void hmacmd5_do_hmac(void *handle, unsigned char const *blk, int len,
128 unsigned char *hmac);
132 unsigned char block[64];
136 void SHA_Init(SHA_State * s);
137 void SHA_Bytes(SHA_State * s, const void *p, int len);
138 void SHA_Final(SHA_State * s, unsigned char *output);
139 void SHA_Simple(const void *p, int len, unsigned char *output);
141 void hmac_sha1_simple(void *key, int keylen, void *data, int datalen,
142 unsigned char *output);
145 unsigned char block[64];
149 void SHA256_Init(SHA256_State * s);
150 void SHA256_Bytes(SHA256_State * s, const void *p, int len);
151 void SHA256_Final(SHA256_State * s, unsigned char *output);
152 void SHA256_Simple(const void *p, int len, unsigned char *output);
156 unsigned char block[128];
160 void SHA512_Init(SHA512_State * s);
161 void SHA512_Bytes(SHA512_State * s, const void *p, int len);
162 void SHA512_Final(SHA512_State * s, unsigned char *output);
163 void SHA512_Simple(const void *p, int len, unsigned char *output);
166 void *(*make_context)(void);
167 void (*free_context)(void *);
168 void (*sesskey) (void *, unsigned char *key); /* for SSH-1 */
169 void (*encrypt) (void *, unsigned char *blk, int len);
170 void (*decrypt) (void *, unsigned char *blk, int len);
176 void *(*make_context)(void);
177 void (*free_context)(void *);
178 void (*setiv) (void *, unsigned char *key); /* for SSH-2 */
179 void (*setkey) (void *, unsigned char *key);/* for SSH-2 */
180 void (*encrypt) (void *, unsigned char *blk, int len);
181 void (*decrypt) (void *, unsigned char *blk, int len);
186 #define SSH_CIPHER_IS_CBC 1
190 struct ssh2_ciphers {
192 const struct ssh2_cipher *const *list;
196 void *(*make_context)(void);
197 void (*free_context)(void *);
198 void (*setkey) (void *, unsigned char *key);
199 /* whole-packet operations */
200 void (*generate) (void *, unsigned char *blk, int len, unsigned long seq);
201 int (*verify) (void *, unsigned char *blk, int len, unsigned long seq);
202 /* partial-packet operations */
203 void (*start) (void *);
204 void (*bytes) (void *, unsigned char const *, int);
205 void (*genresult) (void *, unsigned char *);
206 int (*verresult) (void *, unsigned char const *);
213 void *(*init)(void); /* also allocates context */
214 void (*bytes)(void *, void *, int);
215 void (*final)(void *, unsigned char *); /* also frees context */
216 int hlen; /* output length in bytes */
221 char *name, *groupname;
222 enum { KEXTYPE_DH, KEXTYPE_RSA } main_type;
224 const unsigned char *pdata, *gdata; /* NULL means group exchange */
226 const struct ssh_hash *hash;
231 const struct ssh_kex *const *list;
235 void *(*newkey) (char *data, int len);
236 void (*freekey) (void *key);
237 char *(*fmtkey) (void *key);
238 unsigned char *(*public_blob) (void *key, int *len);
239 unsigned char *(*private_blob) (void *key, int *len);
240 void *(*createkey) (unsigned char *pub_blob, int pub_len,
241 unsigned char *priv_blob, int priv_len);
242 void *(*openssh_createkey) (unsigned char **blob, int *len);
243 int (*openssh_fmtkey) (void *key, unsigned char *blob, int len);
244 int (*pubkey_bits) (void *blob, int len);
245 char *(*fingerprint) (void *key);
246 int (*verifysig) (void *key, char *sig, int siglen,
247 char *data, int datalen);
248 unsigned char *(*sign) (void *key, char *data, int datalen,
251 char *keytype; /* for host key cache */
254 struct ssh_compress {
256 /* For zlib@openssh.com: if non-NULL, this name will be considered once
257 * userauth has completed successfully. */
259 void *(*compress_init) (void);
260 void (*compress_cleanup) (void *);
261 int (*compress) (void *, unsigned char *block, int len,
262 unsigned char **outblock, int *outlen);
263 void *(*decompress_init) (void);
264 void (*decompress_cleanup) (void *);
265 int (*decompress) (void *, unsigned char *block, int len,
266 unsigned char **outblock, int *outlen);
267 int (*disable_compression) (void *);
271 struct ssh2_userkey {
272 const struct ssh_signkey *alg; /* the key algorithm */
273 void *data; /* the key data */
274 char *comment; /* the key comment */
277 /* The maximum length of any hash algorithm used in kex. (bytes) */
278 #define SSH2_KEX_MAX_HASH_LEN (32) /* SHA-256 */
280 extern const struct ssh_cipher ssh_3des;
281 extern const struct ssh_cipher ssh_des;
282 extern const struct ssh_cipher ssh_blowfish_ssh1;
283 extern const struct ssh2_ciphers ssh2_3des;
284 extern const struct ssh2_ciphers ssh2_des;
285 extern const struct ssh2_ciphers ssh2_aes;
286 extern const struct ssh2_ciphers ssh2_blowfish;
287 extern const struct ssh2_ciphers ssh2_arcfour;
288 extern const struct ssh_hash ssh_sha1;
289 extern const struct ssh_hash ssh_sha256;
290 extern const struct ssh_kexes ssh_diffiehellman_group1;
291 extern const struct ssh_kexes ssh_diffiehellman_group14;
292 extern const struct ssh_kexes ssh_diffiehellman_gex;
293 extern const struct ssh_kexes ssh_rsa_kex;
294 extern const struct ssh_signkey ssh_dss;
295 extern const struct ssh_signkey ssh_rsa;
296 extern const struct ssh_mac ssh_hmac_md5;
297 extern const struct ssh_mac ssh_hmac_sha1;
298 extern const struct ssh_mac ssh_hmac_sha1_buggy;
299 extern const struct ssh_mac ssh_hmac_sha1_96;
300 extern const struct ssh_mac ssh_hmac_sha1_96_buggy;
301 extern const struct ssh_mac ssh_hmac_sha256;
303 void *aes_make_context(void);
304 void aes_free_context(void *handle);
305 void aes128_key(void *handle, unsigned char *key);
306 void aes192_key(void *handle, unsigned char *key);
307 void aes256_key(void *handle, unsigned char *key);
308 void aes_iv(void *handle, unsigned char *iv);
309 void aes_ssh2_encrypt_blk(void *handle, unsigned char *blk, int len);
310 void aes_ssh2_decrypt_blk(void *handle, unsigned char *blk, int len);
313 * PuTTY version number formatted as an SSH version string.
315 extern char sshver[];
318 * Gross hack: pscp will try to start SFTP but fall back to scp1 if
319 * that fails. This variable is the means by which scp.c can reach
320 * into the SSH code and find out which one it got.
322 extern int ssh_fallback_cmd(void *handle);
325 void SHATransform(word32 * digest, word32 * data);
328 int random_byte(void);
329 void random_add_noise(void *noise, int length);
330 void random_add_heavynoise(void *noise, int length);
332 void logevent(void *, const char *);
334 struct PortForwarding;
336 /* Allocate and register a new channel for port forwarding */
337 void *new_sock_channel(void *handle, struct PortForwarding *pf);
338 void ssh_send_port_open(void *channel, char *hostname, int port, char *org);
340 /* Exports from portfwd.c */
341 extern char *pfd_connect(struct PortForwarding **pf, char *hostname, int port,
342 void *c, Conf *conf, int addressfamily);
343 extern void pfd_close(struct PortForwarding *);
344 extern int pfd_send(struct PortForwarding *, char *data, int len);
345 extern void pfd_send_eof(struct PortForwarding *);
346 extern void pfd_confirm(struct PortForwarding *);
347 extern void pfd_unthrottle(struct PortForwarding *);
348 extern void pfd_override_throttle(struct PortForwarding *, int enable);
350 /* desthost == NULL indicates dynamic (SOCKS) port forwarding */
351 extern char *pfl_listen(char *desthost, int destport, char *srcaddr,
352 int port, void *backhandle, Conf *conf,
353 struct PortListener **pl, int address_family);
354 extern void pfl_terminate(struct PortListener *);
356 /* Exports from x11fwd.c */
358 X11_TRANS_IPV4 = 0, X11_TRANS_IPV6 = 6, X11_TRANS_UNIX = 256
361 /* Broken-down components of the display name itself */
366 /* OSX sometimes replaces all the above with a full Unix-socket pathname */
367 char *unixsocketpath;
369 /* PuTTY networking SockAddr to connect to the display, and associated
375 /* Our local auth details for talking to the real X display. */
377 unsigned char *localauthdata;
378 int localauthdatalen;
381 /* Auth details we invented for a virtual display on the SSH server. */
388 /* The encrypted form of the first block, in XDM-AUTHORIZATION-1.
389 * Used as part of the key when these structures are organised
390 * into a tree. See x11_invent_fake_auth for explanation. */
391 unsigned char *xa1_firstblock;
394 * Used inside x11fwd.c to remember recently seen
395 * XDM-AUTHORIZATION-1 strings, to avoid replay attacks.
400 * What to do with an X connection matching this auth data.
402 struct X11Display *disp;
404 void *x11_make_greeting(int endian, int protomajor, int protominor,
405 int auth_proto, const void *auth_data, int auth_len,
406 const char *peer_ip, int peer_port,
408 int x11_authcmp(void *av, void *bv); /* for putting X11FakeAuth in a tree234 */
410 * x11_setup_display() parses the display variable and fills in an
411 * X11Display structure. Some remote auth details are invented;
412 * the supplied authtype parameter configures the preferred
413 * authorisation protocol to use at the remote end. The local auth
414 * details are looked up by calling platform_get_x11_auth.
416 extern struct X11Display *x11_setup_display(char *display, Conf *);
417 void x11_free_display(struct X11Display *disp);
418 struct X11FakeAuth *x11_invent_fake_auth(tree234 *t, int authtype);
419 void x11_free_fake_auth(struct X11FakeAuth *auth);
420 struct X11Connection; /* opaque outside x11fwd.c */
421 extern char *x11_init(struct X11Connection **, tree234 *authtree,
422 void *, const char *, int);
423 extern void x11_close(struct X11Connection *);
424 extern int x11_send(struct X11Connection *, char *, int);
425 extern void x11_send_eof(struct X11Connection *s);
426 extern void x11_unthrottle(struct X11Connection *s);
427 extern void x11_override_throttle(struct X11Connection *s, int enable);
428 char *x11_display(const char *display);
429 /* Platform-dependent X11 functions */
430 extern void platform_get_x11_auth(struct X11Display *display, Conf *);
431 /* examine a mostly-filled-in X11Display and fill in localauth* */
432 extern const int platform_uses_x11_unix_by_default;
433 /* choose default X transport in the absence of a specified one */
434 SockAddr platform_get_x11_unix_address(const char *path, int displaynum);
435 /* make up a SockAddr naming the address for displaynum */
436 char *platform_get_x_display(void);
437 /* allocated local X display string, if any */
438 /* Callbacks in x11.c usable _by_ platform X11 functions */
440 * This function does the job of platform_get_x11_auth, provided
441 * it is told where to find a normally formatted .Xauthority file:
442 * it opens that file, parses it to find an auth record which
443 * matches the display details in "display", and fills in the
446 * It is expected that most implementations of
447 * platform_get_x11_auth() will work by finding their system's
448 * .Xauthority file, adjusting the display details if necessary
449 * for local oddities like Unix-domain socket transport, and
450 * calling this function to do the rest of the work.
452 void x11_get_auth_from_authfile(struct X11Display *display,
453 const char *authfilename);
455 Bignum copybn(Bignum b);
456 Bignum bn_power_2(int n);
457 void bn_restore_invariant(Bignum b);
458 Bignum bignum_from_long(unsigned long n);
459 void freebn(Bignum b);
460 Bignum modpow(Bignum base, Bignum exp, Bignum mod);
461 Bignum modmul(Bignum a, Bignum b, Bignum mod);
462 void decbn(Bignum n);
463 extern Bignum Zero, One;
464 Bignum bignum_from_bytes(const unsigned char *data, int nbytes);
465 int ssh1_read_bignum(const unsigned char *data, int len, Bignum * result);
466 int bignum_bitcount(Bignum bn);
467 int ssh1_bignum_length(Bignum bn);
468 int ssh2_bignum_length(Bignum bn);
469 int bignum_byte(Bignum bn, int i);
470 int bignum_bit(Bignum bn, int i);
471 void bignum_set_bit(Bignum bn, int i, int value);
472 int ssh1_write_bignum(void *data, Bignum bn);
473 Bignum biggcd(Bignum a, Bignum b);
474 unsigned short bignum_mod_short(Bignum number, unsigned short modulus);
475 Bignum bignum_add_long(Bignum number, unsigned long addend);
476 Bignum bigadd(Bignum a, Bignum b);
477 Bignum bigsub(Bignum a, Bignum b);
478 Bignum bigmul(Bignum a, Bignum b);
479 Bignum bigmuladd(Bignum a, Bignum b, Bignum addend);
480 Bignum bigdiv(Bignum a, Bignum b);
481 Bignum bigmod(Bignum a, Bignum b);
482 Bignum modinv(Bignum number, Bignum modulus);
483 Bignum bignum_bitmask(Bignum number);
484 Bignum bignum_rshift(Bignum number, int shift);
485 int bignum_cmp(Bignum a, Bignum b);
486 char *bignum_decimal(Bignum x);
489 void diagbn(char *prefix, Bignum md);
492 void *dh_setup_group(const struct ssh_kex *kex);
493 void *dh_setup_gex(Bignum pval, Bignum gval);
494 void dh_cleanup(void *);
495 Bignum dh_create_e(void *, int nbits);
496 Bignum dh_find_K(void *, Bignum f);
498 int loadrsakey(const Filename *filename, struct RSAKey *key,
499 char *passphrase, const char **errorstr);
500 int rsakey_encrypted(const Filename *filename, char **comment);
501 int rsakey_pubblob(const Filename *filename, void **blob, int *bloblen,
502 char **commentptr, const char **errorstr);
504 int saversakey(const Filename *filename, struct RSAKey *key, char *passphrase);
506 extern int base64_decode_atom(char *atom, unsigned char *out);
507 extern int base64_lines(int datalen);
508 extern void base64_encode_atom(unsigned char *data, int n, char *out);
509 extern void base64_encode(FILE *fp, unsigned char *data, int datalen, int cpl);
511 /* ssh2_load_userkey can return this as an error */
512 extern struct ssh2_userkey ssh2_wrong_passphrase;
513 #define SSH2_WRONG_PASSPHRASE (&ssh2_wrong_passphrase)
515 int ssh2_userkey_encrypted(const Filename *filename, char **comment);
516 struct ssh2_userkey *ssh2_load_userkey(const Filename *filename,
517 char *passphrase, const char **errorstr);
518 unsigned char *ssh2_userkey_loadpub(const Filename *filename, char **algorithm,
519 int *pub_blob_len, char **commentptr,
520 const char **errorstr);
521 int ssh2_save_userkey(const Filename *filename, struct ssh2_userkey *key,
523 const struct ssh_signkey *find_pubkey_alg(const char *name);
526 SSH_KEYTYPE_UNOPENABLE,
528 SSH_KEYTYPE_SSH1, SSH_KEYTYPE_SSH2,
529 SSH_KEYTYPE_OPENSSH, SSH_KEYTYPE_SSHCOM
531 int key_type(const Filename *filename);
532 char *key_type_to_str(int type);
534 int import_possible(int type);
535 int import_target_type(int type);
536 int import_encrypted(const Filename *filename, int type, char **comment);
537 int import_ssh1(const Filename *filename, int type,
538 struct RSAKey *key, char *passphrase, const char **errmsg_p);
539 struct ssh2_userkey *import_ssh2(const Filename *filename, int type,
540 char *passphrase, const char **errmsg_p);
541 int export_ssh1(const Filename *filename, int type,
542 struct RSAKey *key, char *passphrase);
543 int export_ssh2(const Filename *filename, int type,
544 struct ssh2_userkey *key, char *passphrase);
546 void des3_decrypt_pubkey(unsigned char *key, unsigned char *blk, int len);
547 void des3_encrypt_pubkey(unsigned char *key, unsigned char *blk, int len);
548 void des3_decrypt_pubkey_ossh(unsigned char *key, unsigned char *iv,
549 unsigned char *blk, int len);
550 void des3_encrypt_pubkey_ossh(unsigned char *key, unsigned char *iv,
551 unsigned char *blk, int len);
552 void aes256_encrypt_pubkey(unsigned char *key, unsigned char *blk,
554 void aes256_decrypt_pubkey(unsigned char *key, unsigned char *blk,
557 void des_encrypt_xdmauth(const unsigned char *key,
558 unsigned char *blk, int len);
559 void des_decrypt_xdmauth(const unsigned char *key,
560 unsigned char *blk, int len);
563 * For progress updates in the key generation utility.
565 #define PROGFN_INITIALISE 1
566 #define PROGFN_LIN_PHASE 2
567 #define PROGFN_EXP_PHASE 3
568 #define PROGFN_PHASE_EXTENT 4
569 #define PROGFN_READY 5
570 #define PROGFN_PROGRESS 6
571 typedef void (*progfn_t) (void *param, int action, int phase, int progress);
573 int rsa_generate(struct RSAKey *key, int bits, progfn_t pfn,
575 int dsa_generate(struct dss_key *key, int bits, progfn_t pfn,
577 Bignum primegen(int bits, int modulus, int residue, Bignum factor,
578 int phase, progfn_t pfn, void *pfnparam, unsigned firstbits);
579 void invent_firstbits(unsigned *one, unsigned *two);
585 void *zlib_compress_init(void);
586 void zlib_compress_cleanup(void *);
587 void *zlib_decompress_init(void);
588 void zlib_decompress_cleanup(void *);
589 int zlib_compress_block(void *, unsigned char *block, int len,
590 unsigned char **outblock, int *outlen);
591 int zlib_decompress_block(void *, unsigned char *block, int len,
592 unsigned char **outblock, int *outlen);
595 * SSH-1 message type codes.
597 #define SSH1_MSG_DISCONNECT 1 /* 0x1 */
598 #define SSH1_SMSG_PUBLIC_KEY 2 /* 0x2 */
599 #define SSH1_CMSG_SESSION_KEY 3 /* 0x3 */
600 #define SSH1_CMSG_USER 4 /* 0x4 */
601 #define SSH1_CMSG_AUTH_RSA 6 /* 0x6 */
602 #define SSH1_SMSG_AUTH_RSA_CHALLENGE 7 /* 0x7 */
603 #define SSH1_CMSG_AUTH_RSA_RESPONSE 8 /* 0x8 */
604 #define SSH1_CMSG_AUTH_PASSWORD 9 /* 0x9 */
605 #define SSH1_CMSG_REQUEST_PTY 10 /* 0xa */
606 #define SSH1_CMSG_WINDOW_SIZE 11 /* 0xb */
607 #define SSH1_CMSG_EXEC_SHELL 12 /* 0xc */
608 #define SSH1_CMSG_EXEC_CMD 13 /* 0xd */
609 #define SSH1_SMSG_SUCCESS 14 /* 0xe */
610 #define SSH1_SMSG_FAILURE 15 /* 0xf */
611 #define SSH1_CMSG_STDIN_DATA 16 /* 0x10 */
612 #define SSH1_SMSG_STDOUT_DATA 17 /* 0x11 */
613 #define SSH1_SMSG_STDERR_DATA 18 /* 0x12 */
614 #define SSH1_CMSG_EOF 19 /* 0x13 */
615 #define SSH1_SMSG_EXIT_STATUS 20 /* 0x14 */
616 #define SSH1_MSG_CHANNEL_OPEN_CONFIRMATION 21 /* 0x15 */
617 #define SSH1_MSG_CHANNEL_OPEN_FAILURE 22 /* 0x16 */
618 #define SSH1_MSG_CHANNEL_DATA 23 /* 0x17 */
619 #define SSH1_MSG_CHANNEL_CLOSE 24 /* 0x18 */
620 #define SSH1_MSG_CHANNEL_CLOSE_CONFIRMATION 25 /* 0x19 */
621 #define SSH1_SMSG_X11_OPEN 27 /* 0x1b */
622 #define SSH1_CMSG_PORT_FORWARD_REQUEST 28 /* 0x1c */
623 #define SSH1_MSG_PORT_OPEN 29 /* 0x1d */
624 #define SSH1_CMSG_AGENT_REQUEST_FORWARDING 30 /* 0x1e */
625 #define SSH1_SMSG_AGENT_OPEN 31 /* 0x1f */
626 #define SSH1_MSG_IGNORE 32 /* 0x20 */
627 #define SSH1_CMSG_EXIT_CONFIRMATION 33 /* 0x21 */
628 #define SSH1_CMSG_X11_REQUEST_FORWARDING 34 /* 0x22 */
629 #define SSH1_CMSG_AUTH_RHOSTS_RSA 35 /* 0x23 */
630 #define SSH1_MSG_DEBUG 36 /* 0x24 */
631 #define SSH1_CMSG_REQUEST_COMPRESSION 37 /* 0x25 */
632 #define SSH1_CMSG_AUTH_TIS 39 /* 0x27 */
633 #define SSH1_SMSG_AUTH_TIS_CHALLENGE 40 /* 0x28 */
634 #define SSH1_CMSG_AUTH_TIS_RESPONSE 41 /* 0x29 */
635 #define SSH1_CMSG_AUTH_CCARD 70 /* 0x46 */
636 #define SSH1_SMSG_AUTH_CCARD_CHALLENGE 71 /* 0x47 */
637 #define SSH1_CMSG_AUTH_CCARD_RESPONSE 72 /* 0x48 */
639 #define SSH1_AUTH_RHOSTS 1 /* 0x1 */
640 #define SSH1_AUTH_RSA 2 /* 0x2 */
641 #define SSH1_AUTH_PASSWORD 3 /* 0x3 */
642 #define SSH1_AUTH_RHOSTS_RSA 4 /* 0x4 */
643 #define SSH1_AUTH_TIS 5 /* 0x5 */
644 #define SSH1_AUTH_CCARD 16 /* 0x10 */
646 #define SSH1_PROTOFLAG_SCREEN_NUMBER 1 /* 0x1 */
647 /* Mask for protoflags we will echo back to server if seen */
648 #define SSH1_PROTOFLAGS_SUPPORTED 0 /* 0x1 */
651 * SSH-2 message type codes.
653 #define SSH2_MSG_DISCONNECT 1 /* 0x1 */
654 #define SSH2_MSG_IGNORE 2 /* 0x2 */
655 #define SSH2_MSG_UNIMPLEMENTED 3 /* 0x3 */
656 #define SSH2_MSG_DEBUG 4 /* 0x4 */
657 #define SSH2_MSG_SERVICE_REQUEST 5 /* 0x5 */
658 #define SSH2_MSG_SERVICE_ACCEPT 6 /* 0x6 */
659 #define SSH2_MSG_KEXINIT 20 /* 0x14 */
660 #define SSH2_MSG_NEWKEYS 21 /* 0x15 */
661 #define SSH2_MSG_KEXDH_INIT 30 /* 0x1e */
662 #define SSH2_MSG_KEXDH_REPLY 31 /* 0x1f */
663 #define SSH2_MSG_KEX_DH_GEX_REQUEST 30 /* 0x1e */
664 #define SSH2_MSG_KEX_DH_GEX_GROUP 31 /* 0x1f */
665 #define SSH2_MSG_KEX_DH_GEX_INIT 32 /* 0x20 */
666 #define SSH2_MSG_KEX_DH_GEX_REPLY 33 /* 0x21 */
667 #define SSH2_MSG_KEXRSA_PUBKEY 30 /* 0x1e */
668 #define SSH2_MSG_KEXRSA_SECRET 31 /* 0x1f */
669 #define SSH2_MSG_KEXRSA_DONE 32 /* 0x20 */
670 #define SSH2_MSG_USERAUTH_REQUEST 50 /* 0x32 */
671 #define SSH2_MSG_USERAUTH_FAILURE 51 /* 0x33 */
672 #define SSH2_MSG_USERAUTH_SUCCESS 52 /* 0x34 */
673 #define SSH2_MSG_USERAUTH_BANNER 53 /* 0x35 */
674 #define SSH2_MSG_USERAUTH_PK_OK 60 /* 0x3c */
675 #define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60 /* 0x3c */
676 #define SSH2_MSG_USERAUTH_INFO_REQUEST 60 /* 0x3c */
677 #define SSH2_MSG_USERAUTH_INFO_RESPONSE 61 /* 0x3d */
678 #define SSH2_MSG_GLOBAL_REQUEST 80 /* 0x50 */
679 #define SSH2_MSG_REQUEST_SUCCESS 81 /* 0x51 */
680 #define SSH2_MSG_REQUEST_FAILURE 82 /* 0x52 */
681 #define SSH2_MSG_CHANNEL_OPEN 90 /* 0x5a */
682 #define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91 /* 0x5b */
683 #define SSH2_MSG_CHANNEL_OPEN_FAILURE 92 /* 0x5c */
684 #define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93 /* 0x5d */
685 #define SSH2_MSG_CHANNEL_DATA 94 /* 0x5e */
686 #define SSH2_MSG_CHANNEL_EXTENDED_DATA 95 /* 0x5f */
687 #define SSH2_MSG_CHANNEL_EOF 96 /* 0x60 */
688 #define SSH2_MSG_CHANNEL_CLOSE 97 /* 0x61 */
689 #define SSH2_MSG_CHANNEL_REQUEST 98 /* 0x62 */
690 #define SSH2_MSG_CHANNEL_SUCCESS 99 /* 0x63 */
691 #define SSH2_MSG_CHANNEL_FAILURE 100 /* 0x64 */
692 #define SSH2_MSG_USERAUTH_GSSAPI_RESPONSE 60
693 #define SSH2_MSG_USERAUTH_GSSAPI_TOKEN 61
694 #define SSH2_MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE 63
695 #define SSH2_MSG_USERAUTH_GSSAPI_ERROR 64
696 #define SSH2_MSG_USERAUTH_GSSAPI_ERRTOK 65
697 #define SSH2_MSG_USERAUTH_GSSAPI_MIC 66
700 * SSH-1 agent messages.
702 #define SSH1_AGENTC_REQUEST_RSA_IDENTITIES 1
703 #define SSH1_AGENT_RSA_IDENTITIES_ANSWER 2
704 #define SSH1_AGENTC_RSA_CHALLENGE 3
705 #define SSH1_AGENT_RSA_RESPONSE 4
706 #define SSH1_AGENTC_ADD_RSA_IDENTITY 7
707 #define SSH1_AGENTC_REMOVE_RSA_IDENTITY 8
708 #define SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9 /* openssh private? */
711 * Messages common to SSH-1 and OpenSSH's SSH-2.
713 #define SSH_AGENT_FAILURE 5
714 #define SSH_AGENT_SUCCESS 6
717 * OpenSSH's SSH-2 agent messages.
719 #define SSH2_AGENTC_REQUEST_IDENTITIES 11
720 #define SSH2_AGENT_IDENTITIES_ANSWER 12
721 #define SSH2_AGENTC_SIGN_REQUEST 13
722 #define SSH2_AGENT_SIGN_RESPONSE 14
723 #define SSH2_AGENTC_ADD_IDENTITY 17
724 #define SSH2_AGENTC_REMOVE_IDENTITY 18
725 #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19
728 * Assorted other SSH-related enumerations.
730 #define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1 /* 0x1 */
731 #define SSH2_DISCONNECT_PROTOCOL_ERROR 2 /* 0x2 */
732 #define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3 /* 0x3 */
733 #define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4 /* 0x4 */
734 #define SSH2_DISCONNECT_MAC_ERROR 5 /* 0x5 */
735 #define SSH2_DISCONNECT_COMPRESSION_ERROR 6 /* 0x6 */
736 #define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7 /* 0x7 */
737 #define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8 /* 0x8 */
738 #define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9 /* 0x9 */
739 #define SSH2_DISCONNECT_CONNECTION_LOST 10 /* 0xa */
740 #define SSH2_DISCONNECT_BY_APPLICATION 11 /* 0xb */
741 #define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS 12 /* 0xc */
742 #define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER 13 /* 0xd */
743 #define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14 /* 0xe */
744 #define SSH2_DISCONNECT_ILLEGAL_USER_NAME 15 /* 0xf */
746 #define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1 /* 0x1 */
747 #define SSH2_OPEN_CONNECT_FAILED 2 /* 0x2 */
748 #define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3 /* 0x3 */
749 #define SSH2_OPEN_RESOURCE_SHORTAGE 4 /* 0x4 */
751 #define SSH2_EXTENDED_DATA_STDERR 1 /* 0x1 */
754 * Need this to warn about support for the original SSH-2 keyfile
757 void old_keyfile_warning(void);