+#include <stdio.h>
#include <string.h>
#include "puttymem.h"
#include "network.h"
#include "int64.h"
+#include "misc.h"
struct ssh_channel;
typedef unsigned int word32;
typedef unsigned int uint32;
-unsigned long crc32(const void *s, size_t len);
+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 */
-int detect_attack(unsigned char *buf, uint32 len, unsigned char *IV);
+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 SHA512_Simple(const void *p, int len, unsigned char *output);
struct ssh_cipher {
- void (*sesskey) (unsigned char *key); /* for ssh 1 */
- 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 (*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 (*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 {
};
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;
};
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);
struct ssh_compress {
char *name;
- void (*compress_init) (void);
- int (*compress) (unsigned char *block, int len,
+ 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);
- int (*decompress) (unsigned char *block, int len,
+ 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);
+ int (*disable_compression) (void *);
+ char *text_name;
};
struct ssh2_userkey {
* 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;
+extern int ssh_fallback_cmd(void *handle);
#ifndef MSCRYPTOAPI
void SHATransform(word32 * digest, word32 * data);
void random_add_noise(void *noise, int length);
void random_add_heavynoise(void *noise, int length);
-void logevent(char *);
-void *new_sock_channel(Socket s); // allocates and register a new channel for port forwarding
+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);
+/* 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);
+extern void pfd_close(Socket s);
+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 */
+extern const char *x11_init(Socket *, char *, void *, void *, const char *,
+ int, const Config *);
+extern void x11_close(Socket);
+extern int x11_send(Socket, char *, int);
+extern void *x11_invent_auth(char *, int, char *, int, int);
+extern void x11_free_auth(void *);
+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);
+
+/* Platfdorm-dependent X11 function */
+extern void platform_get_x11_auth(char *display, int *proto,
+ unsigned char *data, int *datalen);
+
Bignum copybn(Bignum b);
Bignum bn_power_2(int n);
void bn_restore_invariant(Bignum b);
Bignum modmul(Bignum a, Bignum b, Bignum mod);
void decbn(Bignum n);
extern Bignum Zero, One;
-Bignum bignum_from_bytes(unsigned char *data, int nbytes);
-int ssh1_read_bignum(unsigned char *data, Bignum * result);
+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_cmp(Bignum a, Bignum b);
char *bignum_decimal(Bignum x);
-void dh_setup_group1(void);
-void dh_setup_group(Bignum pval, Bignum gval);
-void dh_cleanup(void);
-Bignum dh_create_e(int nbits);
-Bignum dh_find_K(Bignum f);
+#ifdef DEBUG
+void diagbn(char *prefix, Bignum md);
+#endif
+
+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, char *passphrase);
-int rsakey_encrypted(char *filename, char **comment);
-int rsakey_pubblob(char *filename, void **blob, int *bloblen);
+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,
+ const char **errorstr);
-int saversakey(char *filename, struct RSAKey *key, char *passphrase);
+int saversakey(const Filename *filename, struct RSAKey *key, char *passphrase);
-void base64_encode_atom(unsigned char *data, int n, char *out);
+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(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,
+int ssh2_userkey_encrypted(const Filename *filename, char **comment);
+struct ssh2_userkey *ssh2_load_userkey(const Filename *filename,
+ char *passphrase, const char **errorstr);
+char *ssh2_userkey_loadpub(const Filename *filename, char **algorithm,
+ int *pub_blob_len, 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);
-int keyfile_version(char *filename);
+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);
+struct ssh2_userkey *import_ssh2(const Filename *filename, int type,
+ char *passphrase);
+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.
*/
/*
* 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);
/*