#include <string.h>
#include "puttymem.h"
+#include "network.h"
+#include "int64.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.
#define APIEXTRA 0
#endif
-/*
- * A Bignum is stored as a sequence of `unsigned short' words. The
- * first tells how many remain; the remaining ones are digits, LS
- * first.
- */
-typedef unsigned short *Bignum;
+#ifndef BIGNUM_INTERNAL
+typedef void *Bignum;
+#endif
struct RSAKey {
int bits;
Bignum modulus;
Bignum exponent;
Bignum private_exponent;
+ Bignum p;
+ Bignum q;
+ Bignum iqmp;
#endif
char *comment;
};
-struct RSAAux {
- Bignum p;
- Bignum q;
- Bignum iqmp;
+struct dss_key {
+ Bignum p, q, g, y, x;
};
int makekey(unsigned char *data, struct RSAKey *result,
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);
void freersakey(struct RSAKey *key);
typedef unsigned int word32;
typedef unsigned int uint32;
unsigned long crc32(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);
typedef struct {
uint32 h[4];
void MD5Init(struct MD5Context *context);
void MD5Update(struct MD5Context *context, unsigned char const *buf,
- unsigned len);
+ unsigned len);
void MD5Final(unsigned char digest[16], struct MD5Context *context);
typedef struct {
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_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 {
+ 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 (*sesskey)(unsigned char *key); /* for ssh 1 */
- void (*setcsiv)(unsigned char *key); /* for ssh 2 */
- void (*setcskey)(unsigned char *key); /* for ssh 2 */
- void (*setsciv)(unsigned char *key); /* for ssh 2 */
- void (*setsckey)(unsigned char *key); /* for ssh 2 */
- void (*encrypt)(unsigned char *blk, int len);
- void (*decrypt)(unsigned char *blk, int len);
+ 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;
+ char *text_name;
+};
+
+struct ssh2_ciphers {
+ int nciphers;
+ const struct ssh2_cipher *const *list;
};
struct ssh_mac {
- void (*setcskey)(unsigned char *key);
- void (*setsckey)(unsigned char *key);
- void (*generate)(unsigned char *blk, int len, unsigned long seq);
- int (*verify)(unsigned char *blk, int len, unsigned long seq);
+ void *(*make_context)(void);
+ void (*free_context)(void *);
+ void (*setkey) (void *, unsigned char *key);
+ void (*generate) (void *, unsigned char *blk, int len, unsigned long seq);
+ int (*verify) (void *, unsigned char *blk, int len, unsigned long seq);
char *name;
int len;
};
};
struct ssh_signkey {
- void *(*newkey)(char *data, int len);
- void (*freekey)(void *key);
- char *(*fmtkey)(void *key);
- char *(*fingerprint)(void *key);
- int (*verifysig)(void *key, char *sig, int siglen,
- char *data, int datalen);
- int (*sign)(void *key, char *sig, int siglen,
- char *data, int datalen);
+ 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);
+ 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 */
+ char *keytype; /* for host key cache */
};
struct ssh_compress {
char *name;
- void (*compress_init)(void);
- int (*compress)(unsigned char *block, int len,
- unsigned char **outblock, int *outlen);
- void (*decompress_init)(void);
- int (*decompress)(unsigned char *block, int len,
- unsigned char **outblock, int *outlen);
+ 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 */
};
+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 ssh_kex ssh_diffiehellman;
+extern const struct ssh_kex ssh_diffiehellman_gex;
+extern const struct ssh_signkey ssh_dss;
+extern const struct ssh_signkey ssh_rsa;
+extern const struct ssh_mac ssh_md5;
+extern const struct ssh_mac ssh_sha1;
+extern const struct ssh_mac ssh_sha1_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);
+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 (char *);
+void logevent(void *, 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);
-Bignum newbn(int length);
Bignum copybn(Bignum b);
-Bignum bignum_from_short(unsigned short n);
+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;
-int ssh1_read_bignum(unsigned char *data, Bignum *result);
-int ssh1_bignum_bitcount(Bignum bn);
+Bignum bignum_from_bytes(const unsigned char *data, int nbytes);
+int ssh1_read_bignum(const unsigned char *data, 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);
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);
-Bignum dh_create_e(void);
-Bignum dh_find_K(Bignum f);
+void *dh_setup_group1(void);
+void *dh_setup_group(Bignum pval, Bignum gval);
+void dh_cleanup(void *);
+Bignum dh_create_e(void *, int nbits);
+Bignum dh_find_K(void *, Bignum f);
-int loadrsakey(char *filename, struct RSAKey *key, struct RSAAux *aux,
- char *passphrase);
+int loadrsakey(char *filename, struct RSAKey *key, char *passphrase);
int rsakey_encrypted(char *filename, char **comment);
+int rsakey_pubblob(char *filename, void **blob, int *bloblen);
+
+int saversakey(char *filename, struct RSAKey *key, char *passphrase);
-int saversakey(char *filename, struct RSAKey *key, struct RSAAux *aux,
- char *passphrase);
+void base64_encode_atom(unsigned char *data, int n, char *out);
-void des3_decrypt_pubkey(unsigned char *key,
- unsigned char *blk, int len);
-void des3_encrypt_pubkey(unsigned char *key,
- unsigned char *blk, int len);
+/* 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(char *filename, char **comment);
+struct ssh2_userkey *ssh2_load_userkey(char *filename, char *passphrase);
+char *ssh2_userkey_loadpub(char *filename, char **algorithm,
+ int *pub_blob_len);
+int ssh2_save_userkey(char *filename, struct ssh2_userkey *key,
+ char *passphrase);
+
+enum {
+ SSH_KEYTYPE_UNOPENABLE,
+ SSH_KEYTYPE_UNKNOWN,
+ SSH_KEYTYPE_SSH1, SSH_KEYTYPE_SSH2,
+ SSH_KEYTYPE_OPENSSH, SSH_KEYTYPE_SSHCOM
+};
+int key_type(char *filename);
+char *key_type_to_str(int type);
+
+int import_possible(int type);
+int import_target_type(int type);
+int import_encrypted(char *filename, int type, char **comment);
+int import_ssh1(char *filename, int type, struct RSAKey *key,char *passphrase);
+struct ssh2_userkey *import_ssh2(char *filename, int type, char *passphrase);
+int export_ssh1(char *filename, int type, struct RSAKey *key,char *passphrase);
+int export_ssh2(char *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);
/*
* For progress updates in the key generation utility.
*/
-typedef void (*progfn_t)(void *param, int phase, int progress);
+#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);
-int rsa_generate(struct RSAKey *key, struct RSAAux *aux, int bits,
- progfn_t pfn, void *pfnparam);
-Bignum primegen(int bits, int modulus, int residue,
- int phase, progfn_t pfn, void *pfnparam);
/*
* zlib compression.
*/
-void zlib_compress_init(void);
-void zlib_decompress_init(void);
-int zlib_compress_block(unsigned char *block, int len,
+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(unsigned char *block, int len,
+int zlib_decompress_block(void *, unsigned char *block, int len,
unsigned char **outblock, int *outlen);
+
+/*
+ * SSH1 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 SSH1 and OpenSSH's SSH2.
+ */
+#define SSH_AGENT_FAILURE 5
+#define SSH_AGENT_SUCCESS 6
+
+/*
+ * OpenSSH's SSH2 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 SSH2 keyfile
+ * format.
+ */
+void old_keyfile_warning(void);
projects / u / mdw / putty / blobdiff