| 1 | #include <stdio.h> |
| 2 | #include <string.h> |
| 3 | |
| 4 | #include "puttymem.h" |
| 5 | #include "network.h" |
| 6 | #include "int64.h" |
| 7 | #include "misc.h" |
| 8 | |
| 9 | struct ssh_channel; |
| 10 | |
| 11 | extern void sshfwd_close(struct ssh_channel *c); |
| 12 | extern int sshfwd_write(struct ssh_channel *c, char *, int); |
| 13 | extern void sshfwd_unthrottle(struct ssh_channel *c, int bufsize); |
| 14 | |
| 15 | /* |
| 16 | * Useful thing. |
| 17 | */ |
| 18 | #ifndef lenof |
| 19 | #define lenof(x) ( (sizeof((x))) / (sizeof(*(x)))) |
| 20 | #endif |
| 21 | |
| 22 | #define SSH_CIPHER_IDEA 1 |
| 23 | #define SSH_CIPHER_DES 2 |
| 24 | #define SSH_CIPHER_3DES 3 |
| 25 | #define SSH_CIPHER_BLOWFISH 6 |
| 26 | |
| 27 | #ifdef MSCRYPTOAPI |
| 28 | #define APIEXTRA 8 |
| 29 | #else |
| 30 | #define APIEXTRA 0 |
| 31 | #endif |
| 32 | |
| 33 | #ifndef BIGNUM_INTERNAL |
| 34 | typedef void *Bignum; |
| 35 | #endif |
| 36 | |
| 37 | struct RSAKey { |
| 38 | int bits; |
| 39 | int bytes; |
| 40 | #ifdef MSCRYPTOAPI |
| 41 | unsigned long exponent; |
| 42 | unsigned char *modulus; |
| 43 | #else |
| 44 | Bignum modulus; |
| 45 | Bignum exponent; |
| 46 | Bignum private_exponent; |
| 47 | Bignum p; |
| 48 | Bignum q; |
| 49 | Bignum iqmp; |
| 50 | #endif |
| 51 | char *comment; |
| 52 | }; |
| 53 | |
| 54 | struct dss_key { |
| 55 | Bignum p, q, g, y, x; |
| 56 | }; |
| 57 | |
| 58 | int makekey(unsigned char *data, int len, struct RSAKey *result, |
| 59 | unsigned char **keystr, int order); |
| 60 | int makeprivate(unsigned char *data, int len, struct RSAKey *result); |
| 61 | int rsaencrypt(unsigned char *data, int length, struct RSAKey *key); |
| 62 | Bignum rsadecrypt(Bignum input, struct RSAKey *key); |
| 63 | void rsasign(unsigned char *data, int length, struct RSAKey *key); |
| 64 | void rsasanitise(struct RSAKey *key); |
| 65 | int rsastr_len(struct RSAKey *key); |
| 66 | void rsastr_fmt(char *str, struct RSAKey *key); |
| 67 | void rsa_fingerprint(char *str, int len, struct RSAKey *key); |
| 68 | int rsa_verify(struct RSAKey *key); |
| 69 | unsigned char *rsa_public_blob(struct RSAKey *key, int *len); |
| 70 | int rsa_public_blob_len(void *data, int maxlen); |
| 71 | void freersakey(struct RSAKey *key); |
| 72 | |
| 73 | typedef unsigned int word32; |
| 74 | typedef unsigned int uint32; |
| 75 | |
| 76 | unsigned long crc32_compute(const void *s, size_t len); |
| 77 | unsigned long crc32_update(unsigned long crc_input, const void *s, size_t len); |
| 78 | |
| 79 | /* SSH CRC compensation attack detector */ |
| 80 | void *crcda_make_context(void); |
| 81 | void crcda_free_context(void *handle); |
| 82 | int detect_attack(void *handle, unsigned char *buf, uint32 len, |
| 83 | unsigned char *IV); |
| 84 | |
| 85 | typedef struct { |
| 86 | uint32 h[4]; |
| 87 | } MD5_Core_State; |
| 88 | |
| 89 | struct MD5Context { |
| 90 | #ifdef MSCRYPTOAPI |
| 91 | unsigned long hHash; |
| 92 | #else |
| 93 | MD5_Core_State core; |
| 94 | unsigned char block[64]; |
| 95 | int blkused; |
| 96 | uint32 lenhi, lenlo; |
| 97 | #endif |
| 98 | }; |
| 99 | |
| 100 | void MD5Init(struct MD5Context *context); |
| 101 | void MD5Update(struct MD5Context *context, unsigned char const *buf, |
| 102 | unsigned len); |
| 103 | void MD5Final(unsigned char digest[16], struct MD5Context *context); |
| 104 | void MD5Simple(void const *p, unsigned len, unsigned char output[16]); |
| 105 | |
| 106 | void *hmacmd5_make_context(void); |
| 107 | void hmacmd5_free_context(void *handle); |
| 108 | void hmacmd5_key(void *handle, void const *key, int len); |
| 109 | void hmacmd5_do_hmac(void *handle, unsigned char const *blk, int len, |
| 110 | unsigned char *hmac); |
| 111 | |
| 112 | typedef struct { |
| 113 | uint32 h[5]; |
| 114 | unsigned char block[64]; |
| 115 | int blkused; |
| 116 | uint32 lenhi, lenlo; |
| 117 | } SHA_State; |
| 118 | void SHA_Init(SHA_State * s); |
| 119 | void SHA_Bytes(SHA_State * s, void *p, int len); |
| 120 | void SHA_Final(SHA_State * s, unsigned char *output); |
| 121 | void SHA_Simple(void *p, int len, unsigned char *output); |
| 122 | |
| 123 | void hmac_sha1_simple(void *key, int keylen, void *data, int datalen, |
| 124 | unsigned char *output); |
| 125 | typedef struct { |
| 126 | uint32 h[8]; |
| 127 | unsigned char block[64]; |
| 128 | int blkused; |
| 129 | uint32 lenhi, lenlo; |
| 130 | } SHA256_State; |
| 131 | void SHA256_Init(SHA256_State * s); |
| 132 | void SHA256_Bytes(SHA256_State * s, const void *p, int len); |
| 133 | void SHA256_Final(SHA256_State * s, unsigned char *output); |
| 134 | void SHA256_Simple(const void *p, int len, unsigned char *output); |
| 135 | |
| 136 | typedef struct { |
| 137 | uint64 h[8]; |
| 138 | unsigned char block[128]; |
| 139 | int blkused; |
| 140 | uint32 len[4]; |
| 141 | } SHA512_State; |
| 142 | void SHA512_Init(SHA512_State * s); |
| 143 | void SHA512_Bytes(SHA512_State * s, const void *p, int len); |
| 144 | void SHA512_Final(SHA512_State * s, unsigned char *output); |
| 145 | void SHA512_Simple(const void *p, int len, unsigned char *output); |
| 146 | |
| 147 | struct ssh_cipher { |
| 148 | void *(*make_context)(void); |
| 149 | void (*free_context)(void *); |
| 150 | void (*sesskey) (void *, unsigned char *key); /* for SSH-1 */ |
| 151 | void (*encrypt) (void *, unsigned char *blk, int len); |
| 152 | void (*decrypt) (void *, unsigned char *blk, int len); |
| 153 | int blksize; |
| 154 | char *text_name; |
| 155 | }; |
| 156 | |
| 157 | struct ssh2_cipher { |
| 158 | void *(*make_context)(void); |
| 159 | void (*free_context)(void *); |
| 160 | void (*setiv) (void *, unsigned char *key); /* for SSH-2 */ |
| 161 | void (*setkey) (void *, unsigned char *key);/* for SSH-2 */ |
| 162 | void (*encrypt) (void *, unsigned char *blk, int len); |
| 163 | void (*decrypt) (void *, unsigned char *blk, int len); |
| 164 | char *name; |
| 165 | int blksize; |
| 166 | int keylen; |
| 167 | unsigned int flags; |
| 168 | #define SSH_CIPHER_IS_CBC 1 |
| 169 | char *text_name; |
| 170 | }; |
| 171 | |
| 172 | struct ssh2_ciphers { |
| 173 | int nciphers; |
| 174 | const struct ssh2_cipher *const *list; |
| 175 | }; |
| 176 | |
| 177 | struct ssh_mac { |
| 178 | void *(*make_context)(void); |
| 179 | void (*free_context)(void *); |
| 180 | void (*setkey) (void *, unsigned char *key); |
| 181 | void (*generate) (void *, unsigned char *blk, int len, unsigned long seq); |
| 182 | int (*verify) (void *, unsigned char *blk, int len, unsigned long seq); |
| 183 | char *name; |
| 184 | int len; |
| 185 | char *text_name; |
| 186 | }; |
| 187 | |
| 188 | struct ssh_hash { |
| 189 | void *(*init)(void); /* also allocates context */ |
| 190 | void (*bytes)(void *, void *, int); |
| 191 | void (*final)(void *, unsigned char *); /* also frees context */ |
| 192 | int hlen; /* output length in bytes */ |
| 193 | char *text_name; |
| 194 | }; |
| 195 | |
| 196 | struct ssh_kex { |
| 197 | /* |
| 198 | * Plugging in another KEX algorithm requires structural chaos, |
| 199 | * so it's hard to abstract them into nice little structures |
| 200 | * like this. Fortunately, all our KEXes are basically |
| 201 | * Diffie-Hellman at the moment, so in this structure I simply |
| 202 | * parametrise the DH exchange a bit. |
| 203 | */ |
| 204 | char *name, *groupname; |
| 205 | const unsigned char *pdata, *gdata;/* NULL means use group exchange */ |
| 206 | int plen, glen; |
| 207 | const struct ssh_hash *hash; |
| 208 | }; |
| 209 | |
| 210 | struct ssh_kexes { |
| 211 | int nkexes; |
| 212 | const struct ssh_kex *const *list; |
| 213 | }; |
| 214 | |
| 215 | struct ssh_signkey { |
| 216 | void *(*newkey) (char *data, int len); |
| 217 | void (*freekey) (void *key); |
| 218 | char *(*fmtkey) (void *key); |
| 219 | unsigned char *(*public_blob) (void *key, int *len); |
| 220 | unsigned char *(*private_blob) (void *key, int *len); |
| 221 | void *(*createkey) (unsigned char *pub_blob, int pub_len, |
| 222 | unsigned char *priv_blob, int priv_len); |
| 223 | void *(*openssh_createkey) (unsigned char **blob, int *len); |
| 224 | int (*openssh_fmtkey) (void *key, unsigned char *blob, int len); |
| 225 | int (*pubkey_bits) (void *blob, int len); |
| 226 | char *(*fingerprint) (void *key); |
| 227 | int (*verifysig) (void *key, char *sig, int siglen, |
| 228 | char *data, int datalen); |
| 229 | unsigned char *(*sign) (void *key, char *data, int datalen, |
| 230 | int *siglen); |
| 231 | char *name; |
| 232 | char *keytype; /* for host key cache */ |
| 233 | }; |
| 234 | |
| 235 | struct ssh_compress { |
| 236 | char *name; |
| 237 | void *(*compress_init) (void); |
| 238 | void (*compress_cleanup) (void *); |
| 239 | int (*compress) (void *, unsigned char *block, int len, |
| 240 | unsigned char **outblock, int *outlen); |
| 241 | void *(*decompress_init) (void); |
| 242 | void (*decompress_cleanup) (void *); |
| 243 | int (*decompress) (void *, unsigned char *block, int len, |
| 244 | unsigned char **outblock, int *outlen); |
| 245 | int (*disable_compression) (void *); |
| 246 | char *text_name; |
| 247 | }; |
| 248 | |
| 249 | struct ssh2_userkey { |
| 250 | const struct ssh_signkey *alg; /* the key algorithm */ |
| 251 | void *data; /* the key data */ |
| 252 | char *comment; /* the key comment */ |
| 253 | }; |
| 254 | |
| 255 | /* The maximum length of any hash algorithm used in kex. (bytes) */ |
| 256 | #define SSH2_KEX_MAX_HASH_LEN (32) /* SHA-256 */ |
| 257 | |
| 258 | extern const struct ssh_cipher ssh_3des; |
| 259 | extern const struct ssh_cipher ssh_des; |
| 260 | extern const struct ssh_cipher ssh_blowfish_ssh1; |
| 261 | extern const struct ssh2_ciphers ssh2_3des; |
| 262 | extern const struct ssh2_ciphers ssh2_des; |
| 263 | extern const struct ssh2_ciphers ssh2_aes; |
| 264 | extern const struct ssh2_ciphers ssh2_blowfish; |
| 265 | extern const struct ssh2_ciphers ssh2_arcfour; |
| 266 | extern const struct ssh_hash ssh_sha1; |
| 267 | extern const struct ssh_hash ssh_sha256; |
| 268 | extern const struct ssh_kexes ssh_diffiehellman_group1; |
| 269 | extern const struct ssh_kexes ssh_diffiehellman_group14; |
| 270 | extern const struct ssh_kexes ssh_diffiehellman_gex; |
| 271 | extern const struct ssh_signkey ssh_dss; |
| 272 | extern const struct ssh_signkey ssh_rsa; |
| 273 | extern const struct ssh_mac ssh_hmac_md5; |
| 274 | extern const struct ssh_mac ssh_hmac_sha1; |
| 275 | extern const struct ssh_mac ssh_hmac_sha1_buggy; |
| 276 | extern const struct ssh_mac ssh_hmac_sha1_96; |
| 277 | extern const struct ssh_mac ssh_hmac_sha1_96_buggy; |
| 278 | |
| 279 | |
| 280 | /* |
| 281 | * PuTTY version number formatted as an SSH version string. |
| 282 | */ |
| 283 | extern char sshver[]; |
| 284 | |
| 285 | /* |
| 286 | * Gross hack: pscp will try to start SFTP but fall back to scp1 if |
| 287 | * that fails. This variable is the means by which scp.c can reach |
| 288 | * into the SSH code and find out which one it got. |
| 289 | */ |
| 290 | extern int ssh_fallback_cmd(void *handle); |
| 291 | |
| 292 | #ifndef MSCRYPTOAPI |
| 293 | void SHATransform(word32 * digest, word32 * data); |
| 294 | #endif |
| 295 | |
| 296 | int random_byte(void); |
| 297 | void random_add_noise(void *noise, int length); |
| 298 | void random_add_heavynoise(void *noise, int length); |
| 299 | |
| 300 | void logevent(void *, const char *); |
| 301 | |
| 302 | /* Allocate and register a new channel for port forwarding */ |
| 303 | void *new_sock_channel(void *handle, Socket s); |
| 304 | void ssh_send_port_open(void *channel, char *hostname, int port, char *org); |
| 305 | |
| 306 | /* Exports from portfwd.c */ |
| 307 | extern const char *pfd_newconnect(Socket * s, char *hostname, int port, |
| 308 | void *c, const Config *cfg, |
| 309 | int addressfamily); |
| 310 | /* desthost == NULL indicates dynamic (SOCKS) port forwarding */ |
| 311 | extern const char *pfd_addforward(char *desthost, int destport, char *srcaddr, |
| 312 | int port, void *backhandle, |
| 313 | const Config *cfg, void **sockdata, |
| 314 | int address_family); |
| 315 | extern void pfd_close(Socket s); |
| 316 | extern void pfd_terminate(void *sockdata); |
| 317 | extern int pfd_send(Socket s, char *data, int len); |
| 318 | extern void pfd_confirm(Socket s); |
| 319 | extern void pfd_unthrottle(Socket s); |
| 320 | extern void pfd_override_throttle(Socket s, int enable); |
| 321 | |
| 322 | /* Exports from x11fwd.c */ |
| 323 | extern const char *x11_init(Socket *, char *, void *, void *, const char *, |
| 324 | int, const Config *); |
| 325 | extern void x11_close(Socket); |
| 326 | extern int x11_send(Socket, char *, int); |
| 327 | extern void *x11_invent_auth(char *, int, char *, int, int); |
| 328 | extern void x11_free_auth(void *); |
| 329 | extern void x11_unthrottle(Socket s); |
| 330 | extern void x11_override_throttle(Socket s, int enable); |
| 331 | extern int x11_get_screen_number(char *display); |
| 332 | void x11_get_real_auth(void *authv, char *display); |
| 333 | char *x11_display(const char *display); |
| 334 | |
| 335 | /* Platform-dependent X11 functions */ |
| 336 | extern void platform_get_x11_auth(char *display, int *proto, |
| 337 | unsigned char *data, int *datalen); |
| 338 | extern const char platform_x11_best_transport[]; |
| 339 | /* best X11 hostname for this platform if none specified */ |
| 340 | SockAddr platform_get_x11_unix_address(int displaynum, char **canonicalname); |
| 341 | /* make up a SockAddr naming the address for displaynum */ |
| 342 | char *platform_get_x_display(void); |
| 343 | /* allocated local X display string, if any */ |
| 344 | |
| 345 | Bignum copybn(Bignum b); |
| 346 | Bignum bn_power_2(int n); |
| 347 | void bn_restore_invariant(Bignum b); |
| 348 | Bignum bignum_from_long(unsigned long n); |
| 349 | void freebn(Bignum b); |
| 350 | Bignum modpow(Bignum base, Bignum exp, Bignum mod); |
| 351 | Bignum modmul(Bignum a, Bignum b, Bignum mod); |
| 352 | void decbn(Bignum n); |
| 353 | extern Bignum Zero, One; |
| 354 | Bignum bignum_from_bytes(const unsigned char *data, int nbytes); |
| 355 | int ssh1_read_bignum(const unsigned char *data, int len, Bignum * result); |
| 356 | int bignum_bitcount(Bignum bn); |
| 357 | int ssh1_bignum_length(Bignum bn); |
| 358 | int ssh2_bignum_length(Bignum bn); |
| 359 | int bignum_byte(Bignum bn, int i); |
| 360 | int bignum_bit(Bignum bn, int i); |
| 361 | void bignum_set_bit(Bignum bn, int i, int value); |
| 362 | int ssh1_write_bignum(void *data, Bignum bn); |
| 363 | Bignum biggcd(Bignum a, Bignum b); |
| 364 | unsigned short bignum_mod_short(Bignum number, unsigned short modulus); |
| 365 | Bignum bignum_add_long(Bignum number, unsigned long addend); |
| 366 | Bignum bigmul(Bignum a, Bignum b); |
| 367 | Bignum bigmuladd(Bignum a, Bignum b, Bignum addend); |
| 368 | Bignum bigdiv(Bignum a, Bignum b); |
| 369 | Bignum bigmod(Bignum a, Bignum b); |
| 370 | Bignum modinv(Bignum number, Bignum modulus); |
| 371 | Bignum bignum_bitmask(Bignum number); |
| 372 | Bignum bignum_rshift(Bignum number, int shift); |
| 373 | int bignum_cmp(Bignum a, Bignum b); |
| 374 | char *bignum_decimal(Bignum x); |
| 375 | |
| 376 | #ifdef DEBUG |
| 377 | void diagbn(char *prefix, Bignum md); |
| 378 | #endif |
| 379 | |
| 380 | void *dh_setup_group(const struct ssh_kex *kex); |
| 381 | void *dh_setup_gex(Bignum pval, Bignum gval); |
| 382 | void dh_cleanup(void *); |
| 383 | Bignum dh_create_e(void *, int nbits); |
| 384 | Bignum dh_find_K(void *, Bignum f); |
| 385 | |
| 386 | int loadrsakey(const Filename *filename, struct RSAKey *key, |
| 387 | char *passphrase, const char **errorstr); |
| 388 | int rsakey_encrypted(const Filename *filename, char **comment); |
| 389 | int rsakey_pubblob(const Filename *filename, void **blob, int *bloblen, |
| 390 | char **commentptr, const char **errorstr); |
| 391 | |
| 392 | int saversakey(const Filename *filename, struct RSAKey *key, char *passphrase); |
| 393 | |
| 394 | extern int base64_decode_atom(char *atom, unsigned char *out); |
| 395 | extern int base64_lines(int datalen); |
| 396 | extern void base64_encode_atom(unsigned char *data, int n, char *out); |
| 397 | extern void base64_encode(FILE *fp, unsigned char *data, int datalen, int cpl); |
| 398 | |
| 399 | /* ssh2_load_userkey can return this as an error */ |
| 400 | extern struct ssh2_userkey ssh2_wrong_passphrase; |
| 401 | #define SSH2_WRONG_PASSPHRASE (&ssh2_wrong_passphrase) |
| 402 | |
| 403 | int ssh2_userkey_encrypted(const Filename *filename, char **comment); |
| 404 | struct ssh2_userkey *ssh2_load_userkey(const Filename *filename, |
| 405 | char *passphrase, const char **errorstr); |
| 406 | char *ssh2_userkey_loadpub(const Filename *filename, char **algorithm, |
| 407 | int *pub_blob_len, char **commentptr, |
| 408 | const char **errorstr); |
| 409 | int ssh2_save_userkey(const Filename *filename, struct ssh2_userkey *key, |
| 410 | char *passphrase); |
| 411 | const struct ssh_signkey *find_pubkey_alg(const char *name); |
| 412 | |
| 413 | enum { |
| 414 | SSH_KEYTYPE_UNOPENABLE, |
| 415 | SSH_KEYTYPE_UNKNOWN, |
| 416 | SSH_KEYTYPE_SSH1, SSH_KEYTYPE_SSH2, |
| 417 | SSH_KEYTYPE_OPENSSH, SSH_KEYTYPE_SSHCOM |
| 418 | }; |
| 419 | int key_type(const Filename *filename); |
| 420 | char *key_type_to_str(int type); |
| 421 | |
| 422 | int import_possible(int type); |
| 423 | int import_target_type(int type); |
| 424 | int import_encrypted(const Filename *filename, int type, char **comment); |
| 425 | int import_ssh1(const Filename *filename, int type, |
| 426 | struct RSAKey *key, char *passphrase, const char **errmsg_p); |
| 427 | struct ssh2_userkey *import_ssh2(const Filename *filename, int type, |
| 428 | char *passphrase, const char **errmsg_p); |
| 429 | int export_ssh1(const Filename *filename, int type, |
| 430 | struct RSAKey *key, char *passphrase); |
| 431 | int export_ssh2(const Filename *filename, int type, |
| 432 | struct ssh2_userkey *key, char *passphrase); |
| 433 | |
| 434 | void des3_decrypt_pubkey(unsigned char *key, unsigned char *blk, int len); |
| 435 | void des3_encrypt_pubkey(unsigned char *key, unsigned char *blk, int len); |
| 436 | void des3_decrypt_pubkey_ossh(unsigned char *key, unsigned char *iv, |
| 437 | unsigned char *blk, int len); |
| 438 | void des3_encrypt_pubkey_ossh(unsigned char *key, unsigned char *iv, |
| 439 | unsigned char *blk, int len); |
| 440 | void aes256_encrypt_pubkey(unsigned char *key, unsigned char *blk, |
| 441 | int len); |
| 442 | void aes256_decrypt_pubkey(unsigned char *key, unsigned char *blk, |
| 443 | int len); |
| 444 | |
| 445 | void des_encrypt_xdmauth(unsigned char *key, unsigned char *blk, int len); |
| 446 | void des_decrypt_xdmauth(unsigned char *key, unsigned char *blk, int len); |
| 447 | |
| 448 | /* |
| 449 | * For progress updates in the key generation utility. |
| 450 | */ |
| 451 | #define PROGFN_INITIALISE 1 |
| 452 | #define PROGFN_LIN_PHASE 2 |
| 453 | #define PROGFN_EXP_PHASE 3 |
| 454 | #define PROGFN_PHASE_EXTENT 4 |
| 455 | #define PROGFN_READY 5 |
| 456 | #define PROGFN_PROGRESS 6 |
| 457 | typedef void (*progfn_t) (void *param, int action, int phase, int progress); |
| 458 | |
| 459 | int rsa_generate(struct RSAKey *key, int bits, progfn_t pfn, |
| 460 | void *pfnparam); |
| 461 | int dsa_generate(struct dss_key *key, int bits, progfn_t pfn, |
| 462 | void *pfnparam); |
| 463 | Bignum primegen(int bits, int modulus, int residue, Bignum factor, |
| 464 | int phase, progfn_t pfn, void *pfnparam); |
| 465 | |
| 466 | |
| 467 | /* |
| 468 | * zlib compression. |
| 469 | */ |
| 470 | void *zlib_compress_init(void); |
| 471 | void zlib_compress_cleanup(void *); |
| 472 | void *zlib_decompress_init(void); |
| 473 | void zlib_decompress_cleanup(void *); |
| 474 | int zlib_compress_block(void *, unsigned char *block, int len, |
| 475 | unsigned char **outblock, int *outlen); |
| 476 | int zlib_decompress_block(void *, unsigned char *block, int len, |
| 477 | unsigned char **outblock, int *outlen); |
| 478 | |
| 479 | /* |
| 480 | * SSH-1 agent messages. |
| 481 | */ |
| 482 | #define SSH1_AGENTC_REQUEST_RSA_IDENTITIES 1 |
| 483 | #define SSH1_AGENT_RSA_IDENTITIES_ANSWER 2 |
| 484 | #define SSH1_AGENTC_RSA_CHALLENGE 3 |
| 485 | #define SSH1_AGENT_RSA_RESPONSE 4 |
| 486 | #define SSH1_AGENTC_ADD_RSA_IDENTITY 7 |
| 487 | #define SSH1_AGENTC_REMOVE_RSA_IDENTITY 8 |
| 488 | #define SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9 /* openssh private? */ |
| 489 | |
| 490 | /* |
| 491 | * Messages common to SSH-1 and OpenSSH's SSH-2. |
| 492 | */ |
| 493 | #define SSH_AGENT_FAILURE 5 |
| 494 | #define SSH_AGENT_SUCCESS 6 |
| 495 | |
| 496 | /* |
| 497 | * OpenSSH's SSH-2 agent messages. |
| 498 | */ |
| 499 | #define SSH2_AGENTC_REQUEST_IDENTITIES 11 |
| 500 | #define SSH2_AGENT_IDENTITIES_ANSWER 12 |
| 501 | #define SSH2_AGENTC_SIGN_REQUEST 13 |
| 502 | #define SSH2_AGENT_SIGN_RESPONSE 14 |
| 503 | #define SSH2_AGENTC_ADD_IDENTITY 17 |
| 504 | #define SSH2_AGENTC_REMOVE_IDENTITY 18 |
| 505 | #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19 |
| 506 | |
| 507 | /* |
| 508 | * Need this to warn about support for the original SSH-2 keyfile |
| 509 | * format. |
| 510 | */ |
| 511 | void old_keyfile_warning(void); |