4 #include "puttymem.h"
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11 typedef struct ssh_tag *Ssh;
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13 extern int sshfwd_write(struct ssh_channel *c, char *, int);
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14 extern void sshfwd_write_eof(struct ssh_channel *c);
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15 extern void sshfwd_unclean_close(struct ssh_channel *c, const char *err);
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16 extern void sshfwd_unthrottle(struct ssh_channel *c, int bufsize);
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17 Conf *sshfwd_get_conf(struct ssh_channel *c);
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18 void sshfwd_x11_sharing_handover(struct ssh_channel *c,
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19 void *share_cs, void *share_chan,
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20 const char *peer_addr, int peer_port,
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21 int endian, int protomajor, int protominor,
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22 const void *initial_data, int initial_len);
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23 void sshfwd_x11_is_local(struct ssh_channel *c);
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25 extern Socket ssh_connection_sharing_init(const char *host, int port,
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26 Conf *conf, Ssh ssh, void **state);
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27 void share_got_pkt_from_server(void *ctx, int type,
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28 unsigned char *pkt, int pktlen);
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29 void share_activate(void *state, const char *server_verstring);
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30 void sharestate_free(void *state);
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31 int share_ndownstreams(void *state);
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33 void ssh_connshare_log(Ssh ssh, int event, const char *logtext,
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34 const char *ds_err, const char *us_err);
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35 unsigned ssh_alloc_sharing_channel(Ssh ssh, void *sharing_ctx);
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36 void ssh_delete_sharing_channel(Ssh ssh, unsigned localid);
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37 int ssh_alloc_sharing_rportfwd(Ssh ssh, const char *shost, int sport,
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39 void ssh_sharing_queue_global_request(Ssh ssh, void *share_ctx);
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40 struct X11FakeAuth *ssh_sharing_add_x11_display(Ssh ssh, int authtype,
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43 void ssh_sharing_remove_x11_display(Ssh ssh, struct X11FakeAuth *auth);
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44 void ssh_send_packet_from_downstream(Ssh ssh, unsigned id, int type,
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45 const void *pkt, int pktlen,
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46 const char *additional_log_text);
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47 void ssh_sharing_downstream_connected(Ssh ssh, unsigned id,
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48 const char *peerinfo);
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49 void ssh_sharing_downstream_disconnected(Ssh ssh, unsigned id);
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50 void ssh_sharing_logf(Ssh ssh, unsigned id, const char *logfmt, ...);
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51 int ssh_agent_forwarding_permitted(Ssh ssh);
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52 void share_setup_x11_channel(void *csv, void *chanv,
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53 unsigned upstream_id, unsigned server_id,
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54 unsigned server_currwin, unsigned server_maxpkt,
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55 unsigned client_adjusted_window,
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56 const char *peer_addr, int peer_port, int endian,
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57 int protomajor, int protominor,
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58 const void *initial_data, int initial_len);
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64 #define lenof(x) ( (sizeof((x))) / (sizeof(*(x))))
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67 #define SSH_CIPHER_IDEA 1
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68 #define SSH_CIPHER_DES 2
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69 #define SSH_CIPHER_3DES 3
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70 #define SSH_CIPHER_BLOWFISH 6
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78 #ifndef BIGNUM_INTERNAL
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79 typedef void *Bignum;
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86 unsigned long exponent;
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87 unsigned char *modulus;
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91 Bignum private_exponent;
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100 Bignum p, q, g, y, x;
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103 int makekey(unsigned char *data, int len, struct RSAKey *result,
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104 unsigned char **keystr, int order);
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105 int makeprivate(unsigned char *data, int len, struct RSAKey *result);
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106 int rsaencrypt(unsigned char *data, int length, struct RSAKey *key);
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107 Bignum rsadecrypt(Bignum input, struct RSAKey *key);
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108 void rsasign(unsigned char *data, int length, struct RSAKey *key);
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109 void rsasanitise(struct RSAKey *key);
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110 int rsastr_len(struct RSAKey *key);
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111 void rsastr_fmt(char *str, struct RSAKey *key);
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112 void rsa_fingerprint(char *str, int len, struct RSAKey *key);
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113 int rsa_verify(struct RSAKey *key);
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114 unsigned char *rsa_public_blob(struct RSAKey *key, int *len);
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115 int rsa_public_blob_len(void *data, int maxlen);
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116 void freersakey(struct RSAKey *key);
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118 #ifndef PUTTY_UINT32_DEFINED
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119 /* This makes assumptions about the int type. */
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120 typedef unsigned int uint32;
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121 #define PUTTY_UINT32_DEFINED
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123 typedef uint32 word32;
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125 unsigned long crc32_compute(const void *s, size_t len);
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126 unsigned long crc32_update(unsigned long crc_input, const void *s, size_t len);
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128 /* SSH CRC compensation attack detector */
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129 void *crcda_make_context(void);
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130 void crcda_free_context(void *handle);
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131 int detect_attack(void *handle, unsigned char *buf, uint32 len,
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132 unsigned char *IV);
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135 * SSH2 RSA key exchange functions
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138 void *ssh_rsakex_newkey(char *data, int len);
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139 void ssh_rsakex_freekey(void *key);
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140 int ssh_rsakex_klen(void *key);
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141 void ssh_rsakex_encrypt(const struct ssh_hash *h, unsigned char *in, int inlen,
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142 unsigned char *out, int outlen,
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149 struct MD5Context {
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151 unsigned long hHash;
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153 MD5_Core_State core;
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154 unsigned char block[64];
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156 uint32 lenhi, lenlo;
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160 void MD5Init(struct MD5Context *context);
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161 void MD5Update(struct MD5Context *context, unsigned char const *buf,
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163 void MD5Final(unsigned char digest[16], struct MD5Context *context);
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164 void MD5Simple(void const *p, unsigned len, unsigned char output[16]);
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166 void *hmacmd5_make_context(void);
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167 void hmacmd5_free_context(void *handle);
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168 void hmacmd5_key(void *handle, void const *key, int len);
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169 void hmacmd5_do_hmac(void *handle, unsigned char const *blk, int len,
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170 unsigned char *hmac);
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174 unsigned char block[64];
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176 uint32 lenhi, lenlo;
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178 void SHA_Init(SHA_State * s);
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179 void SHA_Bytes(SHA_State * s, const void *p, int len);
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180 void SHA_Final(SHA_State * s, unsigned char *output);
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181 void SHA_Simple(const void *p, int len, unsigned char *output);
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183 void hmac_sha1_simple(void *key, int keylen, void *data, int datalen,
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184 unsigned char *output);
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187 unsigned char block[64];
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189 uint32 lenhi, lenlo;
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191 void SHA256_Init(SHA256_State * s);
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192 void SHA256_Bytes(SHA256_State * s, const void *p, int len);
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193 void SHA256_Final(SHA256_State * s, unsigned char *output);
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194 void SHA256_Simple(const void *p, int len, unsigned char *output);
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198 unsigned char block[128];
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202 void SHA512_Init(SHA512_State * s);
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203 void SHA512_Bytes(SHA512_State * s, const void *p, int len);
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204 void SHA512_Final(SHA512_State * s, unsigned char *output);
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205 void SHA512_Simple(const void *p, int len, unsigned char *output);
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207 struct ssh_cipher {
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208 void *(*make_context)(void);
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209 void (*free_context)(void *);
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210 void (*sesskey) (void *, unsigned char *key); /* for SSH-1 */
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211 void (*encrypt) (void *, unsigned char *blk, int len);
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212 void (*decrypt) (void *, unsigned char *blk, int len);
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217 struct ssh2_cipher {
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218 void *(*make_context)(void);
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219 void (*free_context)(void *);
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220 void (*setiv) (void *, unsigned char *key); /* for SSH-2 */
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221 void (*setkey) (void *, unsigned char *key);/* for SSH-2 */
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222 void (*encrypt) (void *, unsigned char *blk, int len);
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223 void (*decrypt) (void *, unsigned char *blk, int len);
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227 unsigned int flags;
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228 #define SSH_CIPHER_IS_CBC 1
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232 struct ssh2_ciphers {
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234 const struct ssh2_cipher *const *list;
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238 void *(*make_context)(void);
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239 void (*free_context)(void *);
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240 void (*setkey) (void *, unsigned char *key);
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241 /* whole-packet operations */
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242 void (*generate) (void *, unsigned char *blk, int len, unsigned long seq);
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243 int (*verify) (void *, unsigned char *blk, int len, unsigned long seq);
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244 /* partial-packet operations */
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245 void (*start) (void *);
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246 void (*bytes) (void *, unsigned char const *, int);
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247 void (*genresult) (void *, unsigned char *);
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248 int (*verresult) (void *, unsigned char const *);
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255 void *(*init)(void); /* also allocates context */
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256 void (*bytes)(void *, void *, int);
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257 void (*final)(void *, unsigned char *); /* also frees context */
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258 int hlen; /* output length in bytes */
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263 char *name, *groupname;
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264 enum { KEXTYPE_DH, KEXTYPE_RSA } main_type;
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266 const unsigned char *pdata, *gdata; /* NULL means group exchange */
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268 const struct ssh_hash *hash;
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273 const struct ssh_kex *const *list;
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276 struct ssh_signkey {
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277 void *(*newkey) (char *data, int len);
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278 void (*freekey) (void *key);
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279 char *(*fmtkey) (void *key);
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280 unsigned char *(*public_blob) (void *key, int *len);
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281 unsigned char *(*private_blob) (void *key, int *len);
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282 void *(*createkey) (unsigned char *pub_blob, int pub_len,
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283 unsigned char *priv_blob, int priv_len);
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284 void *(*openssh_createkey) (unsigned char **blob, int *len);
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285 int (*openssh_fmtkey) (void *key, unsigned char *blob, int len);
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286 int (*pubkey_bits) (void *blob, int len);
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287 char *(*fingerprint) (void *key);
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288 int (*verifysig) (void *key, char *sig, int siglen,
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289 char *data, int datalen);
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290 unsigned char *(*sign) (void *key, char *data, int datalen,
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293 char *keytype; /* for host key cache */
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296 struct ssh_compress {
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298 /* For zlib@openssh.com: if non-NULL, this name will be considered once
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299 * userauth has completed successfully. */
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300 char *delayed_name;
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301 void *(*compress_init) (void);
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302 void (*compress_cleanup) (void *);
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303 int (*compress) (void *, unsigned char *block, int len,
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304 unsigned char **outblock, int *outlen);
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305 void *(*decompress_init) (void);
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306 void (*decompress_cleanup) (void *);
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307 int (*decompress) (void *, unsigned char *block, int len,
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308 unsigned char **outblock, int *outlen);
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309 int (*disable_compression) (void *);
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313 struct ssh2_userkey {
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314 const struct ssh_signkey *alg; /* the key algorithm */
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315 void *data; /* the key data */
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316 char *comment; /* the key comment */
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319 /* The maximum length of any hash algorithm used in kex. (bytes) */
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320 #define SSH2_KEX_MAX_HASH_LEN (32) /* SHA-256 */
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322 extern const struct ssh_cipher ssh_3des;
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323 extern const struct ssh_cipher ssh_des;
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324 extern const struct ssh_cipher ssh_blowfish_ssh1;
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325 extern const struct ssh2_ciphers ssh2_3des;
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326 extern const struct ssh2_ciphers ssh2_des;
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327 extern const struct ssh2_ciphers ssh2_aes;
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328 extern const struct ssh2_ciphers ssh2_blowfish;
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329 extern const struct ssh2_ciphers ssh2_arcfour;
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330 extern const struct ssh_hash ssh_sha1;
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331 extern const struct ssh_hash ssh_sha256;
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332 extern const struct ssh_kexes ssh_diffiehellman_group1;
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333 extern const struct ssh_kexes ssh_diffiehellman_group14;
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334 extern const struct ssh_kexes ssh_diffiehellman_gex;
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335 extern const struct ssh_kexes ssh_rsa_kex;
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336 extern const struct ssh_signkey ssh_dss;
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337 extern const struct ssh_signkey ssh_rsa;
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338 extern const struct ssh_mac ssh_hmac_md5;
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339 extern const struct ssh_mac ssh_hmac_sha1;
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340 extern const struct ssh_mac ssh_hmac_sha1_buggy;
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341 extern const struct ssh_mac ssh_hmac_sha1_96;
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342 extern const struct ssh_mac ssh_hmac_sha1_96_buggy;
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343 extern const struct ssh_mac ssh_hmac_sha256;
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345 void *aes_make_context(void);
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346 void aes_free_context(void *handle);
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347 void aes128_key(void *handle, unsigned char *key);
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348 void aes192_key(void *handle, unsigned char *key);
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349 void aes256_key(void *handle, unsigned char *key);
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350 void aes_iv(void *handle, unsigned char *iv);
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351 void aes_ssh2_encrypt_blk(void *handle, unsigned char *blk, int len);
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352 void aes_ssh2_decrypt_blk(void *handle, unsigned char *blk, int len);
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355 * PuTTY version number formatted as an SSH version string.
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357 extern char sshver[];
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360 * Gross hack: pscp will try to start SFTP but fall back to scp1 if
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361 * that fails. This variable is the means by which scp.c can reach
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362 * into the SSH code and find out which one it got.
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364 extern int ssh_fallback_cmd(void *handle);
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366 #ifndef MSCRYPTOAPI
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367 void SHATransform(word32 * digest, word32 * data);
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370 int random_byte(void);
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371 void random_add_noise(void *noise, int length);
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372 void random_add_heavynoise(void *noise, int length);
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374 void logevent(void *, const char *);
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376 struct PortForwarding;
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378 /* Allocate and register a new channel for port forwarding */
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379 void *new_sock_channel(void *handle, struct PortForwarding *pf);
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380 void ssh_send_port_open(void *channel, char *hostname, int port, char *org);
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382 /* Exports from portfwd.c */
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383 extern char *pfd_connect(struct PortForwarding **pf, char *hostname, int port,
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384 void *c, Conf *conf, int addressfamily);
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385 extern void pfd_close(struct PortForwarding *);
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386 extern int pfd_send(struct PortForwarding *, char *data, int len);
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387 extern void pfd_send_eof(struct PortForwarding *);
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388 extern void pfd_confirm(struct PortForwarding *);
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389 extern void pfd_unthrottle(struct PortForwarding *);
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390 extern void pfd_override_throttle(struct PortForwarding *, int enable);
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391 struct PortListener;
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392 /* desthost == NULL indicates dynamic (SOCKS) port forwarding */
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393 extern char *pfl_listen(char *desthost, int destport, char *srcaddr,
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394 int port, void *backhandle, Conf *conf,
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395 struct PortListener **pl, int address_family);
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396 extern void pfl_terminate(struct PortListener *);
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398 /* Exports from x11fwd.c */
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400 X11_TRANS_IPV4 = 0, X11_TRANS_IPV6 = 6, X11_TRANS_UNIX = 256
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402 struct X11Display {
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403 /* Broken-down components of the display name itself */
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408 /* OSX sometimes replaces all the above with a full Unix-socket pathname */
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409 char *unixsocketpath;
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411 /* PuTTY networking SockAddr to connect to the display, and associated
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417 /* Our local auth details for talking to the real X display. */
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418 int localauthproto;
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419 unsigned char *localauthdata;
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420 int localauthdatalen;
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422 struct X11FakeAuth {
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423 /* Auth details we invented for a virtual display on the SSH server. */
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425 unsigned char *data;
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430 /* The encrypted form of the first block, in XDM-AUTHORIZATION-1.
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431 * Used as part of the key when these structures are organised
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432 * into a tree. See x11_invent_fake_auth for explanation. */
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433 unsigned char *xa1_firstblock;
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436 * Used inside x11fwd.c to remember recently seen
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437 * XDM-AUTHORIZATION-1 strings, to avoid replay attacks.
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442 * What to do with an X connection matching this auth data.
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444 struct X11Display *disp;
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445 void *share_cs, *share_chan;
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447 void *x11_make_greeting(int endian, int protomajor, int protominor,
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448 int auth_proto, const void *auth_data, int auth_len,
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449 const char *peer_ip, int peer_port,
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451 int x11_authcmp(void *av, void *bv); /* for putting X11FakeAuth in a tree234 */
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453 * x11_setup_display() parses the display variable and fills in an
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454 * X11Display structure. Some remote auth details are invented;
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455 * the supplied authtype parameter configures the preferred
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456 * authorisation protocol to use at the remote end. The local auth
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457 * details are looked up by calling platform_get_x11_auth.
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459 extern struct X11Display *x11_setup_display(char *display, Conf *);
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460 void x11_free_display(struct X11Display *disp);
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461 struct X11FakeAuth *x11_invent_fake_auth(tree234 *t, int authtype);
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462 void x11_free_fake_auth(struct X11FakeAuth *auth);
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463 struct X11Connection; /* opaque outside x11fwd.c */
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464 struct X11Connection *x11_init(tree234 *authtree, void *, const char *, int);
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465 extern void x11_close(struct X11Connection *);
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466 extern int x11_send(struct X11Connection *, char *, int);
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467 extern void x11_send_eof(struct X11Connection *s);
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468 extern void x11_unthrottle(struct X11Connection *s);
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469 extern void x11_override_throttle(struct X11Connection *s, int enable);
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470 char *x11_display(const char *display);
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471 /* Platform-dependent X11 functions */
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472 extern void platform_get_x11_auth(struct X11Display *display, Conf *);
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473 /* examine a mostly-filled-in X11Display and fill in localauth* */
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474 extern const int platform_uses_x11_unix_by_default;
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475 /* choose default X transport in the absence of a specified one */
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476 SockAddr platform_get_x11_unix_address(const char *path, int displaynum);
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477 /* make up a SockAddr naming the address for displaynum */
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478 char *platform_get_x_display(void);
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479 /* allocated local X display string, if any */
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480 /* Callbacks in x11.c usable _by_ platform X11 functions */
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482 * This function does the job of platform_get_x11_auth, provided
\r
483 * it is told where to find a normally formatted .Xauthority file:
\r
484 * it opens that file, parses it to find an auth record which
\r
485 * matches the display details in "display", and fills in the
\r
486 * localauth fields.
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488 * It is expected that most implementations of
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489 * platform_get_x11_auth() will work by finding their system's
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490 * .Xauthority file, adjusting the display details if necessary
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491 * for local oddities like Unix-domain socket transport, and
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492 * calling this function to do the rest of the work.
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494 void x11_get_auth_from_authfile(struct X11Display *display,
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495 const char *authfilename);
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496 int x11_identify_auth_proto(const char *proto);
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497 void *x11_dehexify(const char *hex, int *outlen);
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499 Bignum copybn(Bignum b);
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500 Bignum bn_power_2(int n);
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501 void bn_restore_invariant(Bignum b);
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502 Bignum bignum_from_long(unsigned long n);
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503 void freebn(Bignum b);
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504 Bignum modpow(Bignum base, Bignum exp, Bignum mod);
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505 Bignum modmul(Bignum a, Bignum b, Bignum mod);
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506 void decbn(Bignum n);
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507 extern Bignum Zero, One;
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508 Bignum bignum_from_bytes(const unsigned char *data, int nbytes);
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509 int ssh1_read_bignum(const unsigned char *data, int len, Bignum * result);
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510 int bignum_bitcount(Bignum bn);
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511 int ssh1_bignum_length(Bignum bn);
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512 int ssh2_bignum_length(Bignum bn);
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513 int bignum_byte(Bignum bn, int i);
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514 int bignum_bit(Bignum bn, int i);
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515 void bignum_set_bit(Bignum bn, int i, int value);
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516 int ssh1_write_bignum(void *data, Bignum bn);
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517 Bignum biggcd(Bignum a, Bignum b);
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518 unsigned short bignum_mod_short(Bignum number, unsigned short modulus);
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519 Bignum bignum_add_long(Bignum number, unsigned long addend);
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520 Bignum bigadd(Bignum a, Bignum b);
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521 Bignum bigsub(Bignum a, Bignum b);
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522 Bignum bigmul(Bignum a, Bignum b);
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523 Bignum bigmuladd(Bignum a, Bignum b, Bignum addend);
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524 Bignum bigdiv(Bignum a, Bignum b);
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525 Bignum bigmod(Bignum a, Bignum b);
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526 Bignum modinv(Bignum number, Bignum modulus);
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527 Bignum bignum_bitmask(Bignum number);
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528 Bignum bignum_rshift(Bignum number, int shift);
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529 int bignum_cmp(Bignum a, Bignum b);
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530 char *bignum_decimal(Bignum x);
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533 void diagbn(char *prefix, Bignum md);
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536 void *dh_setup_group(const struct ssh_kex *kex);
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537 void *dh_setup_gex(Bignum pval, Bignum gval);
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538 void dh_cleanup(void *);
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539 Bignum dh_create_e(void *, int nbits);
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540 const char *dh_validate_f(void *handle, Bignum f);
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541 Bignum dh_find_K(void *, Bignum f);
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543 int loadrsakey(const Filename *filename, struct RSAKey *key,
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544 char *passphrase, const char **errorstr);
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545 int rsakey_encrypted(const Filename *filename, char **comment);
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546 int rsakey_pubblob(const Filename *filename, void **blob, int *bloblen,
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547 char **commentptr, const char **errorstr);
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549 int saversakey(const Filename *filename, struct RSAKey *key, char *passphrase);
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551 extern int base64_decode_atom(char *atom, unsigned char *out);
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552 extern int base64_lines(int datalen);
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553 extern void base64_encode_atom(unsigned char *data, int n, char *out);
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554 extern void base64_encode(FILE *fp, unsigned char *data, int datalen, int cpl);
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556 /* ssh2_load_userkey can return this as an error */
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557 extern struct ssh2_userkey ssh2_wrong_passphrase;
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558 #define SSH2_WRONG_PASSPHRASE (&ssh2_wrong_passphrase)
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560 int ssh2_userkey_encrypted(const Filename *filename, char **comment);
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561 struct ssh2_userkey *ssh2_load_userkey(const Filename *filename,
\r
562 char *passphrase, const char **errorstr);
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563 unsigned char *ssh2_userkey_loadpub(const Filename *filename, char **algorithm,
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564 int *pub_blob_len, char **commentptr,
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565 const char **errorstr);
\r
566 int ssh2_save_userkey(const Filename *filename, struct ssh2_userkey *key,
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568 const struct ssh_signkey *find_pubkey_alg(const char *name);
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571 SSH_KEYTYPE_UNOPENABLE,
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572 SSH_KEYTYPE_UNKNOWN,
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573 SSH_KEYTYPE_SSH1, SSH_KEYTYPE_SSH2,
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574 SSH_KEYTYPE_OPENSSH, SSH_KEYTYPE_SSHCOM
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576 int key_type(const Filename *filename);
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577 char *key_type_to_str(int type);
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579 int import_possible(int type);
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580 int import_target_type(int type);
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581 int import_encrypted(const Filename *filename, int type, char **comment);
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582 int import_ssh1(const Filename *filename, int type,
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583 struct RSAKey *key, char *passphrase, const char **errmsg_p);
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584 struct ssh2_userkey *import_ssh2(const Filename *filename, int type,
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585 char *passphrase, const char **errmsg_p);
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586 int export_ssh1(const Filename *filename, int type,
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587 struct RSAKey *key, char *passphrase);
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588 int export_ssh2(const Filename *filename, int type,
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589 struct ssh2_userkey *key, char *passphrase);
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591 void des3_decrypt_pubkey(unsigned char *key, unsigned char *blk, int len);
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592 void des3_encrypt_pubkey(unsigned char *key, unsigned char *blk, int len);
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593 void des3_decrypt_pubkey_ossh(unsigned char *key, unsigned char *iv,
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594 unsigned char *blk, int len);
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595 void des3_encrypt_pubkey_ossh(unsigned char *key, unsigned char *iv,
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596 unsigned char *blk, int len);
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597 void aes256_encrypt_pubkey(unsigned char *key, unsigned char *blk,
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599 void aes256_decrypt_pubkey(unsigned char *key, unsigned char *blk,
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602 void des_encrypt_xdmauth(const unsigned char *key,
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603 unsigned char *blk, int len);
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604 void des_decrypt_xdmauth(const unsigned char *key,
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605 unsigned char *blk, int len);
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608 * For progress updates in the key generation utility.
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610 #define PROGFN_INITIALISE 1
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611 #define PROGFN_LIN_PHASE 2
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612 #define PROGFN_EXP_PHASE 3
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613 #define PROGFN_PHASE_EXTENT 4
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614 #define PROGFN_READY 5
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615 #define PROGFN_PROGRESS 6
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616 typedef void (*progfn_t) (void *param, int action, int phase, int progress);
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618 int rsa_generate(struct RSAKey *key, int bits, progfn_t pfn,
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620 int dsa_generate(struct dss_key *key, int bits, progfn_t pfn,
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622 Bignum primegen(int bits, int modulus, int residue, Bignum factor,
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623 int phase, progfn_t pfn, void *pfnparam, unsigned firstbits);
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624 void invent_firstbits(unsigned *one, unsigned *two);
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628 * zlib compression.
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630 void *zlib_compress_init(void);
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631 void zlib_compress_cleanup(void *);
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632 void *zlib_decompress_init(void);
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633 void zlib_decompress_cleanup(void *);
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634 int zlib_compress_block(void *, unsigned char *block, int len,
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635 unsigned char **outblock, int *outlen);
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636 int zlib_decompress_block(void *, unsigned char *block, int len,
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637 unsigned char **outblock, int *outlen);
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640 * Connection-sharing API provided by platforms. This function must
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642 * - return SHARE_NONE and do nothing
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643 * - return SHARE_DOWNSTREAM and set *sock to a Socket connected to
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645 * - return SHARE_UPSTREAM and set *sock to a Socket connected to
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648 enum { SHARE_NONE, SHARE_DOWNSTREAM, SHARE_UPSTREAM };
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649 int platform_ssh_share(const char *name, Conf *conf,
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650 Plug downplug, Plug upplug, Socket *sock,
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651 char **logtext, char **ds_err, char **us_err,
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652 int can_upstream, int can_downstream);
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653 void platform_ssh_share_cleanup(const char *name);
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656 * SSH-1 message type codes.
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658 #define SSH1_MSG_DISCONNECT 1 /* 0x1 */
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659 #define SSH1_SMSG_PUBLIC_KEY 2 /* 0x2 */
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660 #define SSH1_CMSG_SESSION_KEY 3 /* 0x3 */
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661 #define SSH1_CMSG_USER 4 /* 0x4 */
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662 #define SSH1_CMSG_AUTH_RSA 6 /* 0x6 */
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663 #define SSH1_SMSG_AUTH_RSA_CHALLENGE 7 /* 0x7 */
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664 #define SSH1_CMSG_AUTH_RSA_RESPONSE 8 /* 0x8 */
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665 #define SSH1_CMSG_AUTH_PASSWORD 9 /* 0x9 */
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666 #define SSH1_CMSG_REQUEST_PTY 10 /* 0xa */
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667 #define SSH1_CMSG_WINDOW_SIZE 11 /* 0xb */
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668 #define SSH1_CMSG_EXEC_SHELL 12 /* 0xc */
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669 #define SSH1_CMSG_EXEC_CMD 13 /* 0xd */
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670 #define SSH1_SMSG_SUCCESS 14 /* 0xe */
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671 #define SSH1_SMSG_FAILURE 15 /* 0xf */
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672 #define SSH1_CMSG_STDIN_DATA 16 /* 0x10 */
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673 #define SSH1_SMSG_STDOUT_DATA 17 /* 0x11 */
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674 #define SSH1_SMSG_STDERR_DATA 18 /* 0x12 */
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675 #define SSH1_CMSG_EOF 19 /* 0x13 */
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676 #define SSH1_SMSG_EXIT_STATUS 20 /* 0x14 */
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677 #define SSH1_MSG_CHANNEL_OPEN_CONFIRMATION 21 /* 0x15 */
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678 #define SSH1_MSG_CHANNEL_OPEN_FAILURE 22 /* 0x16 */
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679 #define SSH1_MSG_CHANNEL_DATA 23 /* 0x17 */
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680 #define SSH1_MSG_CHANNEL_CLOSE 24 /* 0x18 */
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681 #define SSH1_MSG_CHANNEL_CLOSE_CONFIRMATION 25 /* 0x19 */
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682 #define SSH1_SMSG_X11_OPEN 27 /* 0x1b */
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683 #define SSH1_CMSG_PORT_FORWARD_REQUEST 28 /* 0x1c */
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684 #define SSH1_MSG_PORT_OPEN 29 /* 0x1d */
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685 #define SSH1_CMSG_AGENT_REQUEST_FORWARDING 30 /* 0x1e */
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686 #define SSH1_SMSG_AGENT_OPEN 31 /* 0x1f */
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687 #define SSH1_MSG_IGNORE 32 /* 0x20 */
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688 #define SSH1_CMSG_EXIT_CONFIRMATION 33 /* 0x21 */
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689 #define SSH1_CMSG_X11_REQUEST_FORWARDING 34 /* 0x22 */
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690 #define SSH1_CMSG_AUTH_RHOSTS_RSA 35 /* 0x23 */
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691 #define SSH1_MSG_DEBUG 36 /* 0x24 */
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692 #define SSH1_CMSG_REQUEST_COMPRESSION 37 /* 0x25 */
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693 #define SSH1_CMSG_AUTH_TIS 39 /* 0x27 */
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694 #define SSH1_SMSG_AUTH_TIS_CHALLENGE 40 /* 0x28 */
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695 #define SSH1_CMSG_AUTH_TIS_RESPONSE 41 /* 0x29 */
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696 #define SSH1_CMSG_AUTH_CCARD 70 /* 0x46 */
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697 #define SSH1_SMSG_AUTH_CCARD_CHALLENGE 71 /* 0x47 */
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698 #define SSH1_CMSG_AUTH_CCARD_RESPONSE 72 /* 0x48 */
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700 #define SSH1_AUTH_RHOSTS 1 /* 0x1 */
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701 #define SSH1_AUTH_RSA 2 /* 0x2 */
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702 #define SSH1_AUTH_PASSWORD 3 /* 0x3 */
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703 #define SSH1_AUTH_RHOSTS_RSA 4 /* 0x4 */
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704 #define SSH1_AUTH_TIS 5 /* 0x5 */
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705 #define SSH1_AUTH_CCARD 16 /* 0x10 */
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707 #define SSH1_PROTOFLAG_SCREEN_NUMBER 1 /* 0x1 */
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708 /* Mask for protoflags we will echo back to server if seen */
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709 #define SSH1_PROTOFLAGS_SUPPORTED 0 /* 0x1 */
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712 * SSH-2 message type codes.
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714 #define SSH2_MSG_DISCONNECT 1 /* 0x1 */
\r
715 #define SSH2_MSG_IGNORE 2 /* 0x2 */
\r
716 #define SSH2_MSG_UNIMPLEMENTED 3 /* 0x3 */
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717 #define SSH2_MSG_DEBUG 4 /* 0x4 */
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718 #define SSH2_MSG_SERVICE_REQUEST 5 /* 0x5 */
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719 #define SSH2_MSG_SERVICE_ACCEPT 6 /* 0x6 */
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720 #define SSH2_MSG_KEXINIT 20 /* 0x14 */
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721 #define SSH2_MSG_NEWKEYS 21 /* 0x15 */
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722 #define SSH2_MSG_KEXDH_INIT 30 /* 0x1e */
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723 #define SSH2_MSG_KEXDH_REPLY 31 /* 0x1f */
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724 #define SSH2_MSG_KEX_DH_GEX_REQUEST_OLD 30 /* 0x1e */
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725 #define SSH2_MSG_KEX_DH_GEX_REQUEST 34 /* 0x22 */
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726 #define SSH2_MSG_KEX_DH_GEX_GROUP 31 /* 0x1f */
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727 #define SSH2_MSG_KEX_DH_GEX_INIT 32 /* 0x20 */
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728 #define SSH2_MSG_KEX_DH_GEX_REPLY 33 /* 0x21 */
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729 #define SSH2_MSG_KEXRSA_PUBKEY 30 /* 0x1e */
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730 #define SSH2_MSG_KEXRSA_SECRET 31 /* 0x1f */
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731 #define SSH2_MSG_KEXRSA_DONE 32 /* 0x20 */
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732 #define SSH2_MSG_USERAUTH_REQUEST 50 /* 0x32 */
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733 #define SSH2_MSG_USERAUTH_FAILURE 51 /* 0x33 */
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734 #define SSH2_MSG_USERAUTH_SUCCESS 52 /* 0x34 */
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735 #define SSH2_MSG_USERAUTH_BANNER 53 /* 0x35 */
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736 #define SSH2_MSG_USERAUTH_PK_OK 60 /* 0x3c */
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737 #define SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ 60 /* 0x3c */
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738 #define SSH2_MSG_USERAUTH_INFO_REQUEST 60 /* 0x3c */
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739 #define SSH2_MSG_USERAUTH_INFO_RESPONSE 61 /* 0x3d */
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740 #define SSH2_MSG_GLOBAL_REQUEST 80 /* 0x50 */
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741 #define SSH2_MSG_REQUEST_SUCCESS 81 /* 0x51 */
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742 #define SSH2_MSG_REQUEST_FAILURE 82 /* 0x52 */
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743 #define SSH2_MSG_CHANNEL_OPEN 90 /* 0x5a */
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744 #define SSH2_MSG_CHANNEL_OPEN_CONFIRMATION 91 /* 0x5b */
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745 #define SSH2_MSG_CHANNEL_OPEN_FAILURE 92 /* 0x5c */
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746 #define SSH2_MSG_CHANNEL_WINDOW_ADJUST 93 /* 0x5d */
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747 #define SSH2_MSG_CHANNEL_DATA 94 /* 0x5e */
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748 #define SSH2_MSG_CHANNEL_EXTENDED_DATA 95 /* 0x5f */
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749 #define SSH2_MSG_CHANNEL_EOF 96 /* 0x60 */
\r
750 #define SSH2_MSG_CHANNEL_CLOSE 97 /* 0x61 */
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751 #define SSH2_MSG_CHANNEL_REQUEST 98 /* 0x62 */
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752 #define SSH2_MSG_CHANNEL_SUCCESS 99 /* 0x63 */
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753 #define SSH2_MSG_CHANNEL_FAILURE 100 /* 0x64 */
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754 #define SSH2_MSG_USERAUTH_GSSAPI_RESPONSE 60
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755 #define SSH2_MSG_USERAUTH_GSSAPI_TOKEN 61
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756 #define SSH2_MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE 63
\r
757 #define SSH2_MSG_USERAUTH_GSSAPI_ERROR 64
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758 #define SSH2_MSG_USERAUTH_GSSAPI_ERRTOK 65
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759 #define SSH2_MSG_USERAUTH_GSSAPI_MIC 66
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762 * SSH-1 agent messages.
\r
764 #define SSH1_AGENTC_REQUEST_RSA_IDENTITIES 1
\r
765 #define SSH1_AGENT_RSA_IDENTITIES_ANSWER 2
\r
766 #define SSH1_AGENTC_RSA_CHALLENGE 3
\r
767 #define SSH1_AGENT_RSA_RESPONSE 4
\r
768 #define SSH1_AGENTC_ADD_RSA_IDENTITY 7
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769 #define SSH1_AGENTC_REMOVE_RSA_IDENTITY 8
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770 #define SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9 /* openssh private? */
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773 * Messages common to SSH-1 and OpenSSH's SSH-2.
\r
775 #define SSH_AGENT_FAILURE 5
\r
776 #define SSH_AGENT_SUCCESS 6
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779 * OpenSSH's SSH-2 agent messages.
\r
781 #define SSH2_AGENTC_REQUEST_IDENTITIES 11
\r
782 #define SSH2_AGENT_IDENTITIES_ANSWER 12
\r
783 #define SSH2_AGENTC_SIGN_REQUEST 13
\r
784 #define SSH2_AGENT_SIGN_RESPONSE 14
\r
785 #define SSH2_AGENTC_ADD_IDENTITY 17
\r
786 #define SSH2_AGENTC_REMOVE_IDENTITY 18
\r
787 #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19
\r
790 * Assorted other SSH-related enumerations.
\r
792 #define SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT 1 /* 0x1 */
\r
793 #define SSH2_DISCONNECT_PROTOCOL_ERROR 2 /* 0x2 */
\r
794 #define SSH2_DISCONNECT_KEY_EXCHANGE_FAILED 3 /* 0x3 */
\r
795 #define SSH2_DISCONNECT_HOST_AUTHENTICATION_FAILED 4 /* 0x4 */
\r
796 #define SSH2_DISCONNECT_MAC_ERROR 5 /* 0x5 */
\r
797 #define SSH2_DISCONNECT_COMPRESSION_ERROR 6 /* 0x6 */
\r
798 #define SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE 7 /* 0x7 */
\r
799 #define SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED 8 /* 0x8 */
\r
800 #define SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE 9 /* 0x9 */
\r
801 #define SSH2_DISCONNECT_CONNECTION_LOST 10 /* 0xa */
\r
802 #define SSH2_DISCONNECT_BY_APPLICATION 11 /* 0xb */
\r
803 #define SSH2_DISCONNECT_TOO_MANY_CONNECTIONS 12 /* 0xc */
\r
804 #define SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER 13 /* 0xd */
\r
805 #define SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE 14 /* 0xe */
\r
806 #define SSH2_DISCONNECT_ILLEGAL_USER_NAME 15 /* 0xf */
\r
808 #define SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED 1 /* 0x1 */
\r
809 #define SSH2_OPEN_CONNECT_FAILED 2 /* 0x2 */
\r
810 #define SSH2_OPEN_UNKNOWN_CHANNEL_TYPE 3 /* 0x3 */
\r
811 #define SSH2_OPEN_RESOURCE_SHORTAGE 4 /* 0x4 */
\r
813 #define SSH2_EXTENDED_DATA_STDERR 1 /* 0x1 */
\r
816 * Need this to warn about support for the original SSH-2 keyfile
\r
819 void old_keyfile_warning(void);
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