diff options
Diffstat (limited to 'tools/plink/ssh.h')
| -rw-r--r-- | tools/plink/ssh.h | 583 |
1 files changed, 0 insertions, 583 deletions
diff --git a/tools/plink/ssh.h b/tools/plink/ssh.h deleted file mode 100644 index 814939c2b..000000000 --- a/tools/plink/ssh.h +++ /dev/null @@ -1,583 +0,0 @@ -#include <stdio.h>
-#include <string.h>
-
-#include "puttymem.h"
-#include "tree234.h"
-#include "network.h"
-#include "int64.h"
-#include "misc.h"
-
-struct ssh_channel;
-
-extern void sshfwd_close(struct ssh_channel *c);
-extern int sshfwd_write(struct ssh_channel *c, char *, int);
-extern void sshfwd_unthrottle(struct ssh_channel *c, int bufsize);
-
-/*
- * Useful thing.
- */
-#ifndef lenof
-#define lenof(x) ( (sizeof((x))) / (sizeof(*(x))))
-#endif
-
-#define SSH_CIPHER_IDEA 1
-#define SSH_CIPHER_DES 2
-#define SSH_CIPHER_3DES 3
-#define SSH_CIPHER_BLOWFISH 6
-
-#ifdef MSCRYPTOAPI
-#define APIEXTRA 8
-#else
-#define APIEXTRA 0
-#endif
-
-#ifndef BIGNUM_INTERNAL
-typedef void *Bignum;
-#endif
-
-struct RSAKey {
- int bits;
- int bytes;
-#ifdef MSCRYPTOAPI
- unsigned long exponent;
- unsigned char *modulus;
-#else
- Bignum modulus;
- Bignum exponent;
- Bignum private_exponent;
- Bignum p;
- Bignum q;
- Bignum iqmp;
-#endif
- char *comment;
-};
-
-struct dss_key {
- Bignum p, q, g, y, x;
-};
-
-int makekey(unsigned char *data, int len, struct RSAKey *result,
- unsigned char **keystr, int order);
-int makeprivate(unsigned char *data, int len, struct RSAKey *result);
-int rsaencrypt(unsigned char *data, int length, struct RSAKey *key);
-Bignum rsadecrypt(Bignum input, struct RSAKey *key);
-void rsasign(unsigned char *data, int length, struct RSAKey *key);
-void rsasanitise(struct RSAKey *key);
-int rsastr_len(struct RSAKey *key);
-void rsastr_fmt(char *str, struct RSAKey *key);
-void rsa_fingerprint(char *str, int len, struct RSAKey *key);
-int rsa_verify(struct RSAKey *key);
-unsigned char *rsa_public_blob(struct RSAKey *key, int *len);
-int rsa_public_blob_len(void *data, int maxlen);
-void freersakey(struct RSAKey *key);
-
-typedef unsigned int word32;
-typedef unsigned int uint32;
-
-unsigned long crc32_compute(const void *s, size_t len);
-unsigned long crc32_update(unsigned long crc_input, const void *s, size_t len);
-
-/* SSH CRC compensation attack detector */
-void *crcda_make_context(void);
-void crcda_free_context(void *handle);
-int detect_attack(void *handle, unsigned char *buf, uint32 len,
- unsigned char *IV);
-
-/*
- * SSH2 RSA key exchange functions
- */
-struct ssh_hash;
-void *ssh_rsakex_newkey(char *data, int len);
-void ssh_rsakex_freekey(void *key);
-int ssh_rsakex_klen(void *key);
-void ssh_rsakex_encrypt(const struct ssh_hash *h, unsigned char *in, int inlen,
- unsigned char *out, int outlen,
- void *key);
-
-typedef struct {
- uint32 h[4];
-} MD5_Core_State;
-
-struct MD5Context {
-#ifdef MSCRYPTOAPI
- unsigned long hHash;
-#else
- MD5_Core_State core;
- unsigned char block[64];
- int blkused;
- uint32 lenhi, lenlo;
-#endif
-};
-
-void MD5Init(struct MD5Context *context);
-void MD5Update(struct MD5Context *context, unsigned char const *buf,
- unsigned len);
-void MD5Final(unsigned char digest[16], struct MD5Context *context);
-void MD5Simple(void const *p, unsigned len, unsigned char output[16]);
-
-void *hmacmd5_make_context(void);
-void hmacmd5_free_context(void *handle);
-void hmacmd5_key(void *handle, void const *key, int len);
-void hmacmd5_do_hmac(void *handle, unsigned char const *blk, int len,
- unsigned char *hmac);
-
-typedef struct {
- uint32 h[5];
- unsigned char block[64];
- int blkused;
- uint32 lenhi, lenlo;
-} SHA_State;
-void SHA_Init(SHA_State * s);
-void SHA_Bytes(SHA_State * s, void *p, int len);
-void SHA_Final(SHA_State * s, unsigned char *output);
-void SHA_Simple(void *p, int len, unsigned char *output);
-
-void hmac_sha1_simple(void *key, int keylen, void *data, int datalen,
- unsigned char *output);
-typedef struct {
- uint32 h[8];
- unsigned char block[64];
- int blkused;
- uint32 lenhi, lenlo;
-} SHA256_State;
-void SHA256_Init(SHA256_State * s);
-void SHA256_Bytes(SHA256_State * s, const void *p, int len);
-void SHA256_Final(SHA256_State * s, unsigned char *output);
-void SHA256_Simple(const void *p, int len, unsigned char *output);
-
-typedef struct {
- uint64 h[8];
- unsigned char block[128];
- int blkused;
- uint32 len[4];
-} SHA512_State;
-void SHA512_Init(SHA512_State * s);
-void SHA512_Bytes(SHA512_State * s, const void *p, int len);
-void SHA512_Final(SHA512_State * s, unsigned char *output);
-void SHA512_Simple(const void *p, int len, unsigned char *output);
-
-struct ssh_cipher {
- void *(*make_context)(void);
- void (*free_context)(void *);
- void (*sesskey) (void *, unsigned char *key); /* for SSH-1 */
- void (*encrypt) (void *, unsigned char *blk, int len);
- void (*decrypt) (void *, unsigned char *blk, int len);
- int blksize;
- char *text_name;
-};
-
-struct ssh2_cipher {
- void *(*make_context)(void);
- void (*free_context)(void *);
- void (*setiv) (void *, unsigned char *key); /* for SSH-2 */
- void (*setkey) (void *, unsigned char *key);/* for SSH-2 */
- void (*encrypt) (void *, unsigned char *blk, int len);
- void (*decrypt) (void *, unsigned char *blk, int len);
- char *name;
- int blksize;
- int keylen;
- unsigned int flags;
-#define SSH_CIPHER_IS_CBC 1
- char *text_name;
-};
-
-struct ssh2_ciphers {
- int nciphers;
- const struct ssh2_cipher *const *list;
-};
-
-struct ssh_mac {
- void *(*make_context)(void);
- void (*free_context)(void *);
- void (*setkey) (void *, unsigned char *key);
- /* whole-packet operations */
- void (*generate) (void *, unsigned char *blk, int len, unsigned long seq);
- int (*verify) (void *, unsigned char *blk, int len, unsigned long seq);
- /* partial-packet operations */
- void (*start) (void *);
- void (*bytes) (void *, unsigned char const *, int);
- void (*genresult) (void *, unsigned char *);
- int (*verresult) (void *, unsigned char const *);
- char *name;
- int len;
- char *text_name;
-};
-
-struct ssh_hash {
- void *(*init)(void); /* also allocates context */
- void (*bytes)(void *, void *, int);
- void (*final)(void *, unsigned char *); /* also frees context */
- int hlen; /* output length in bytes */
- char *text_name;
-};
-
-struct ssh_kex {
- char *name, *groupname;
- enum { KEXTYPE_DH, KEXTYPE_RSA } main_type;
- /* For DH */
- const unsigned char *pdata, *gdata; /* NULL means group exchange */
- int plen, glen;
- const struct ssh_hash *hash;
-};
-
-struct ssh_kexes {
- int nkexes;
- const struct ssh_kex *const *list;
-};
-
-struct ssh_signkey {
- void *(*newkey) (char *data, int len);
- void (*freekey) (void *key);
- char *(*fmtkey) (void *key);
- unsigned char *(*public_blob) (void *key, int *len);
- unsigned char *(*private_blob) (void *key, int *len);
- void *(*createkey) (unsigned char *pub_blob, int pub_len,
- unsigned char *priv_blob, int priv_len);
- void *(*openssh_createkey) (unsigned char **blob, int *len);
- int (*openssh_fmtkey) (void *key, unsigned char *blob, int len);
- int (*pubkey_bits) (void *blob, int len);
- char *(*fingerprint) (void *key);
- int (*verifysig) (void *key, char *sig, int siglen,
- char *data, int datalen);
- unsigned char *(*sign) (void *key, char *data, int datalen,
- int *siglen);
- char *name;
- char *keytype; /* for host key cache */
-};
-
-struct ssh_compress {
- char *name;
- void *(*compress_init) (void);
- void (*compress_cleanup) (void *);
- int (*compress) (void *, unsigned char *block, int len,
- unsigned char **outblock, int *outlen);
- void *(*decompress_init) (void);
- void (*decompress_cleanup) (void *);
- int (*decompress) (void *, unsigned char *block, int len,
- unsigned char **outblock, int *outlen);
- int (*disable_compression) (void *);
- char *text_name;
-};
-
-struct ssh2_userkey {
- const struct ssh_signkey *alg; /* the key algorithm */
- void *data; /* the key data */
- char *comment; /* the key comment */
-};
-
-/* The maximum length of any hash algorithm used in kex. (bytes) */
-#define SSH2_KEX_MAX_HASH_LEN (32) /* SHA-256 */
-
-extern const struct ssh_cipher ssh_3des;
-extern const struct ssh_cipher ssh_des;
-extern const struct ssh_cipher ssh_blowfish_ssh1;
-extern const struct ssh2_ciphers ssh2_3des;
-extern const struct ssh2_ciphers ssh2_des;
-extern const struct ssh2_ciphers ssh2_aes;
-extern const struct ssh2_ciphers ssh2_blowfish;
-extern const struct ssh2_ciphers ssh2_arcfour;
-extern const struct ssh_hash ssh_sha1;
-extern const struct ssh_hash ssh_sha256;
-extern const struct ssh_kexes ssh_diffiehellman_group1;
-extern const struct ssh_kexes ssh_diffiehellman_group14;
-extern const struct ssh_kexes ssh_diffiehellman_gex;
-extern const struct ssh_kexes ssh_rsa_kex;
-extern const struct ssh_signkey ssh_dss;
-extern const struct ssh_signkey ssh_rsa;
-extern const struct ssh_mac ssh_hmac_md5;
-extern const struct ssh_mac ssh_hmac_sha1;
-extern const struct ssh_mac ssh_hmac_sha1_buggy;
-extern const struct ssh_mac ssh_hmac_sha1_96;
-extern const struct ssh_mac ssh_hmac_sha1_96_buggy;
-
-
-/*
- * PuTTY version number formatted as an SSH version string.
- */
-extern char sshver[];
-
-/*
- * Gross hack: pscp will try to start SFTP but fall back to scp1 if
- * that fails. This variable is the means by which scp.c can reach
- * into the SSH code and find out which one it got.
- */
-extern int ssh_fallback_cmd(void *handle);
-
-#ifndef MSCRYPTOAPI
-void SHATransform(word32 * digest, word32 * data);
-#endif
-
-int random_byte(void);
-void random_add_noise(void *noise, int length);
-void random_add_heavynoise(void *noise, int length);
-
-void logevent(void *, const char *);
-
-/* Allocate and register a new channel for port forwarding */
-void *new_sock_channel(void *handle, Socket s);
-void ssh_send_port_open(void *channel, char *hostname, int port, char *org);
-
-/* Exports from portfwd.c */
-extern const char *pfd_newconnect(Socket * s, char *hostname, int port,
- void *c, const Config *cfg,
- int addressfamily);
-/* desthost == NULL indicates dynamic (SOCKS) port forwarding */
-extern const char *pfd_addforward(char *desthost, int destport, char *srcaddr,
- int port, void *backhandle,
- const Config *cfg, void **sockdata,
- int address_family);
-extern void pfd_close(Socket s);
-extern void pfd_terminate(void *sockdata);
-extern int pfd_send(Socket s, char *data, int len);
-extern void pfd_confirm(Socket s);
-extern void pfd_unthrottle(Socket s);
-extern void pfd_override_throttle(Socket s, int enable);
-
-/* Exports from x11fwd.c */
-enum {
- X11_TRANS_IPV4 = 0, X11_TRANS_IPV6 = 6, X11_TRANS_UNIX = 256
-};
-struct X11Display {
- /* Broken-down components of the display name itself */
- int unixdomain;
- char *hostname;
- int displaynum;
- int screennum;
- /* OSX sometimes replaces all the above with a full Unix-socket pathname */
- char *unixsocketpath;
-
- /* PuTTY networking SockAddr to connect to the display, and associated
- * gubbins */
- SockAddr addr;
- int port;
- char *realhost;
-
- /* Auth details we invented for the virtual display on the SSH server. */
- int remoteauthproto;
- unsigned char *remoteauthdata;
- int remoteauthdatalen;
- char *remoteauthprotoname;
- char *remoteauthdatastring;
-
- /* Our local auth details for talking to the real X display. */
- int localauthproto;
- unsigned char *localauthdata;
- int localauthdatalen;
-
- /*
- * Used inside x11fwd.c to remember recently seen
- * XDM-AUTHORIZATION-1 strings, to avoid replay attacks.
- */
- tree234 *xdmseen;
-};
-/*
- * x11_setup_display() parses the display variable and fills in an
- * X11Display structure. Some remote auth details are invented;
- * the supplied authtype parameter configures the preferred
- * authorisation protocol to use at the remote end. The local auth
- * details are looked up by calling platform_get_x11_auth.
- */
-extern struct X11Display *x11_setup_display(char *display, int authtype,
- const Config *);
-void x11_free_display(struct X11Display *disp);
-extern const char *x11_init(Socket *, struct X11Display *, void *,
- const char *, int, const Config *);
-extern void x11_close(Socket);
-extern int x11_send(Socket, char *, int);
-extern void x11_unthrottle(Socket s);
-extern void x11_override_throttle(Socket s, int enable);
-char *x11_display(const char *display);
-/* Platform-dependent X11 functions */
-extern void platform_get_x11_auth(struct X11Display *display,
- const Config *);
- /* examine a mostly-filled-in X11Display and fill in localauth* */
-extern const int platform_uses_x11_unix_by_default;
- /* choose default X transport in the absence of a specified one */
-SockAddr platform_get_x11_unix_address(const char *path, int displaynum);
- /* make up a SockAddr naming the address for displaynum */
-char *platform_get_x_display(void);
- /* allocated local X display string, if any */
-/* Callbacks in x11.c usable _by_ platform X11 functions */
-/*
- * This function does the job of platform_get_x11_auth, provided
- * it is told where to find a normally formatted .Xauthority file:
- * it opens that file, parses it to find an auth record which
- * matches the display details in "display", and fills in the
- * localauth fields.
- *
- * It is expected that most implementations of
- * platform_get_x11_auth() will work by finding their system's
- * .Xauthority file, adjusting the display details if necessary
- * for local oddities like Unix-domain socket transport, and
- * calling this function to do the rest of the work.
- */
-void x11_get_auth_from_authfile(struct X11Display *display,
- const char *authfilename);
-
-Bignum copybn(Bignum b);
-Bignum bn_power_2(int n);
-void bn_restore_invariant(Bignum b);
-Bignum bignum_from_long(unsigned long n);
-void freebn(Bignum b);
-Bignum modpow(Bignum base, Bignum exp, Bignum mod);
-Bignum modmul(Bignum a, Bignum b, Bignum mod);
-void decbn(Bignum n);
-extern Bignum Zero, One;
-Bignum bignum_from_bytes(const unsigned char *data, int nbytes);
-int ssh1_read_bignum(const unsigned char *data, int len, Bignum * result);
-int bignum_bitcount(Bignum bn);
-int ssh1_bignum_length(Bignum bn);
-int ssh2_bignum_length(Bignum bn);
-int bignum_byte(Bignum bn, int i);
-int bignum_bit(Bignum bn, int i);
-void bignum_set_bit(Bignum bn, int i, int value);
-int ssh1_write_bignum(void *data, Bignum bn);
-Bignum biggcd(Bignum a, Bignum b);
-unsigned short bignum_mod_short(Bignum number, unsigned short modulus);
-Bignum bignum_add_long(Bignum number, unsigned long addend);
-Bignum bigmul(Bignum a, Bignum b);
-Bignum bigmuladd(Bignum a, Bignum b, Bignum addend);
-Bignum bigdiv(Bignum a, Bignum b);
-Bignum bigmod(Bignum a, Bignum b);
-Bignum modinv(Bignum number, Bignum modulus);
-Bignum bignum_bitmask(Bignum number);
-Bignum bignum_rshift(Bignum number, int shift);
-int bignum_cmp(Bignum a, Bignum b);
-char *bignum_decimal(Bignum x);
-
-#ifdef DEBUG
-void diagbn(char *prefix, Bignum md);
-#endif
-
-void *dh_setup_group(const struct ssh_kex *kex);
-void *dh_setup_gex(Bignum pval, Bignum gval);
-void dh_cleanup(void *);
-Bignum dh_create_e(void *, int nbits);
-Bignum dh_find_K(void *, Bignum f);
-
-int loadrsakey(const Filename *filename, struct RSAKey *key,
- char *passphrase, const char **errorstr);
-int rsakey_encrypted(const Filename *filename, char **comment);
-int rsakey_pubblob(const Filename *filename, void **blob, int *bloblen,
- char **commentptr, const char **errorstr);
-
-int saversakey(const Filename *filename, struct RSAKey *key, char *passphrase);
-
-extern int base64_decode_atom(char *atom, unsigned char *out);
-extern int base64_lines(int datalen);
-extern void base64_encode_atom(unsigned char *data, int n, char *out);
-extern void base64_encode(FILE *fp, unsigned char *data, int datalen, int cpl);
-
-/* ssh2_load_userkey can return this as an error */
-extern struct ssh2_userkey ssh2_wrong_passphrase;
-#define SSH2_WRONG_PASSPHRASE (&ssh2_wrong_passphrase)
-
-int ssh2_userkey_encrypted(const Filename *filename, char **comment);
-struct ssh2_userkey *ssh2_load_userkey(const Filename *filename,
- char *passphrase, const char **errorstr);
-unsigned char *ssh2_userkey_loadpub(const Filename *filename, char **algorithm,
- int *pub_blob_len, char **commentptr,
- const char **errorstr);
-int ssh2_save_userkey(const Filename *filename, struct ssh2_userkey *key,
- char *passphrase);
-const struct ssh_signkey *find_pubkey_alg(const char *name);
-
-enum {
- SSH_KEYTYPE_UNOPENABLE,
- SSH_KEYTYPE_UNKNOWN,
- SSH_KEYTYPE_SSH1, SSH_KEYTYPE_SSH2,
- SSH_KEYTYPE_OPENSSH, SSH_KEYTYPE_SSHCOM
-};
-int key_type(const Filename *filename);
-char *key_type_to_str(int type);
-
-int import_possible(int type);
-int import_target_type(int type);
-int import_encrypted(const Filename *filename, int type, char **comment);
-int import_ssh1(const Filename *filename, int type,
- struct RSAKey *key, char *passphrase, const char **errmsg_p);
-struct ssh2_userkey *import_ssh2(const Filename *filename, int type,
- char *passphrase, const char **errmsg_p);
-int export_ssh1(const Filename *filename, int type,
- struct RSAKey *key, char *passphrase);
-int export_ssh2(const Filename *filename, int type,
- struct ssh2_userkey *key, char *passphrase);
-
-void des3_decrypt_pubkey(unsigned char *key, unsigned char *blk, int len);
-void des3_encrypt_pubkey(unsigned char *key, unsigned char *blk, int len);
-void des3_decrypt_pubkey_ossh(unsigned char *key, unsigned char *iv,
- unsigned char *blk, int len);
-void des3_encrypt_pubkey_ossh(unsigned char *key, unsigned char *iv,
- unsigned char *blk, int len);
-void aes256_encrypt_pubkey(unsigned char *key, unsigned char *blk,
- int len);
-void aes256_decrypt_pubkey(unsigned char *key, unsigned char *blk,
- int len);
-
-void des_encrypt_xdmauth(unsigned char *key, unsigned char *blk, int len);
-void des_decrypt_xdmauth(unsigned char *key, unsigned char *blk, int len);
-
-/*
- * For progress updates in the key generation utility.
- */
-#define PROGFN_INITIALISE 1
-#define PROGFN_LIN_PHASE 2
-#define PROGFN_EXP_PHASE 3
-#define PROGFN_PHASE_EXTENT 4
-#define PROGFN_READY 5
-#define PROGFN_PROGRESS 6
-typedef void (*progfn_t) (void *param, int action, int phase, int progress);
-
-int rsa_generate(struct RSAKey *key, int bits, progfn_t pfn,
- void *pfnparam);
-int dsa_generate(struct dss_key *key, int bits, progfn_t pfn,
- void *pfnparam);
-Bignum primegen(int bits, int modulus, int residue, Bignum factor,
- int phase, progfn_t pfn, void *pfnparam);
-
-
-/*
- * zlib compression.
- */
-void *zlib_compress_init(void);
-void zlib_compress_cleanup(void *);
-void *zlib_decompress_init(void);
-void zlib_decompress_cleanup(void *);
-int zlib_compress_block(void *, unsigned char *block, int len,
- unsigned char **outblock, int *outlen);
-int zlib_decompress_block(void *, unsigned char *block, int len,
- unsigned char **outblock, int *outlen);
-
-/*
- * SSH-1 agent messages.
- */
-#define SSH1_AGENTC_REQUEST_RSA_IDENTITIES 1
-#define SSH1_AGENT_RSA_IDENTITIES_ANSWER 2
-#define SSH1_AGENTC_RSA_CHALLENGE 3
-#define SSH1_AGENT_RSA_RESPONSE 4
-#define SSH1_AGENTC_ADD_RSA_IDENTITY 7
-#define SSH1_AGENTC_REMOVE_RSA_IDENTITY 8
-#define SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9 /* openssh private? */
-
-/*
- * Messages common to SSH-1 and OpenSSH's SSH-2.
- */
-#define SSH_AGENT_FAILURE 5
-#define SSH_AGENT_SUCCESS 6
-
-/*
- * OpenSSH's SSH-2 agent messages.
- */
-#define SSH2_AGENTC_REQUEST_IDENTITIES 11
-#define SSH2_AGENT_IDENTITIES_ANSWER 12
-#define SSH2_AGENTC_SIGN_REQUEST 13
-#define SSH2_AGENT_SIGN_RESPONSE 14
-#define SSH2_AGENTC_ADD_IDENTITY 17
-#define SSH2_AGENTC_REMOVE_IDENTITY 18
-#define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19
-
-/*
- * Need this to warn about support for the original SSH-2 keyfile
- * format.
- */
-void old_keyfile_warning(void);
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