X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/47a6b94c2389f0e2a4f42706818a12369746b713..51e9d3c00a3471f284e89ec1f59f38ca25f10c5f:/ssh.h diff --git a/ssh.h b/ssh.h index 90f77d10..bf1ba48b 100644 --- a/ssh.h +++ b/ssh.h @@ -55,10 +55,10 @@ struct dss_key { Bignum p, q, g, y, x; }; -int makekey(unsigned char *data, struct RSAKey *result, +int makekey(unsigned char *data, int len, struct RSAKey *result, unsigned char **keystr, int order); -int makeprivate(unsigned char *data, struct RSAKey *result); -void rsaencrypt(unsigned char *data, int length, struct RSAKey *key); +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); @@ -67,7 +67,7 @@ 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 rsa_public_blob_len(void *data, int maxlen); void freersakey(struct RSAKey *key); typedef unsigned int word32; @@ -101,6 +101,13 @@ 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]; @@ -130,7 +137,7 @@ 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 (*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; @@ -140,8 +147,8 @@ struct ssh_cipher { 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 (*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; @@ -163,17 +170,20 @@ struct ssh_mac { int (*verify) (void *, unsigned char *blk, int len, unsigned long seq); char *name; int len; + char *text_name; }; struct ssh_kex { /* * Plugging in another KEX algorithm requires structural chaos, * so it's hard to abstract them into nice little structures - * like this. Hence, for the moment, this is just a - * placeholder. I claim justification in the fact that OpenSSH - * does this too :-) + * like this. Fortunately, all our KEXes are basically + * Diffie-Hellman at the moment, so in this structure I simply + * parametrise the DH exchange a bit. */ - char *name; + char *name, *groupname; + const unsigned char *pdata, *gdata;/* NULL means use group exchange */ + int plen, glen; }; struct ssh_signkey { @@ -223,7 +233,8 @@ 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 ssh_kex ssh_diffiehellman; +extern const struct ssh_kex ssh_diffiehellman_group1; +extern const struct ssh_kex ssh_diffiehellman_group14; extern const struct ssh_kex ssh_diffiehellman_gex; extern const struct ssh_signkey ssh_dss; extern const struct ssh_signkey ssh_rsa; @@ -259,12 +270,15 @@ 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); + 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); + 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); @@ -281,10 +295,17 @@ extern void x11_unthrottle(Socket s); extern void x11_override_throttle(Socket s, int enable); extern int x11_get_screen_number(char *display); void x11_get_real_auth(void *authv, char *display); +char *x11_display(const char *display); -/* Platfdorm-dependent X11 function */ +/* Platform-dependent X11 functions */ extern void platform_get_x11_auth(char *display, int *proto, unsigned char *data, int *datalen); +extern const char platform_x11_best_transport[]; +/* best X11 hostname for this platform if none specified */ +SockAddr platform_get_x11_unix_address(int displaynum, char **canonicalname); +/* make up a SockAddr naming the address for displaynum */ +char *platform_get_x_display(void); +/* allocated local X display string, if any */ Bignum copybn(Bignum b); Bignum bn_power_2(int n); @@ -296,7 +317,7 @@ 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, Bignum * result); +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); @@ -321,8 +342,8 @@ char *bignum_decimal(Bignum x); void diagbn(char *prefix, Bignum md); #endif -void *dh_setup_group1(void); -void *dh_setup_group(Bignum pval, Bignum gval); +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); @@ -366,9 +387,9 @@ 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); + struct RSAKey *key, char *passphrase, const char **errmsg_p); struct ssh2_userkey *import_ssh2(const Filename *filename, int type, - char *passphrase); + 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, @@ -420,7 +441,7 @@ int zlib_decompress_block(void *, unsigned char *block, int len, unsigned char **outblock, int *outlen); /* - * SSH1 agent messages. + * SSH-1 agent messages. */ #define SSH1_AGENTC_REQUEST_RSA_IDENTITIES 1 #define SSH1_AGENT_RSA_IDENTITIES_ANSWER 2 @@ -431,13 +452,13 @@ int zlib_decompress_block(void *, unsigned char *block, int len, #define SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9 /* openssh private? */ /* - * Messages common to SSH1 and OpenSSH's SSH2. + * Messages common to SSH-1 and OpenSSH's SSH-2. */ #define SSH_AGENT_FAILURE 5 #define SSH_AGENT_SUCCESS 6 /* - * OpenSSH's SSH2 agent messages. + * OpenSSH's SSH-2 agent messages. */ #define SSH2_AGENTC_REQUEST_IDENTITIES 11 #define SSH2_AGENT_IDENTITIES_ANSWER 12 @@ -448,7 +469,7 @@ int zlib_decompress_block(void *, unsigned char *block, int len, #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19 /* - * Need this to warn about support for the original SSH2 keyfile + * Need this to warn about support for the original SSH-2 keyfile * format. */ void old_keyfile_warning(void);