+#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 int sshfwd_write(struct ssh_channel *c, char *, int);
+extern void sshfwd_write_eof(struct ssh_channel *c);
+extern void sshfwd_unclean_close(struct ssh_channel *c);
+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 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);
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;
+#ifndef PUTTY_UINT32_DEFINED
+/* This makes assumptions about the int type. */
typedef unsigned int uint32;
+#define PUTTY_UINT32_DEFINED
+#endif
+typedef uint32 word32;
+
+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);
-unsigned long crc32(const void *s, size_t len);
+/*
+ * 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];
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);
+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];
int blkused;
uint32 lenhi, lenlo;
} SHA_State;
+void SHA_Init(SHA_State * s);
+void SHA_Bytes(SHA_State * s, const void *p, int len);
+void SHA_Final(SHA_State * s, unsigned char *output);
+void SHA_Simple(const 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);
-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);
+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;
+ 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 (*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);
+ /* 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 {
- /*
- * 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 :-)
- */
- char *name;
+ 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);
- 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);
+ 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 */
+ 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);
+ /* For zlib@openssh.com: if non-NULL, this name will be considered once
+ * userauth has completed successfully. */
+ char *delayed_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;
+extern const struct ssh_mac ssh_hmac_sha256;
+
+void *aes_make_context(void);
+void aes_free_context(void *handle);
+void aes128_key(void *handle, unsigned char *key);
+void aes192_key(void *handle, unsigned char *key);
+void aes256_key(void *handle, unsigned char *key);
+void aes_iv(void *handle, unsigned char *iv);
+void aes_ssh2_encrypt_blk(void *handle, unsigned char *blk, int len);
+void aes_ssh2_decrypt_blk(void *handle, unsigned char *blk, int len);
+
+/*
+ * 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 *, 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, Conf *conf, int addressfamily);
+/* desthost == NULL indicates dynamic (SOCKS) port forwarding */
+extern const char *pfd_addforward(char *desthost, int destport, char *srcaddr,
+ int port, void *backhandle, Conf *conf,
+ 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_send_eof(Socket s);
+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,
+ Conf *);
+void x11_free_display(struct X11Display *disp);
+extern const char *x11_init(Socket *, struct X11Display *, void *,
+ const char *, int, Conf *);
+extern void x11_close(Socket);
+extern int x11_send(Socket, char *, int);
+extern void x11_send_eof(Socket s);
+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, Conf *);
+ /* 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 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, 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);
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 bigadd(Bignum a, Bignum b);
+Bignum bigsub(Bignum a, Bignum b);
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);
+#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(char *filename, struct RSAKey *key, struct RSAAux *aux,
- char *passphrase);
-int rsakey_encrypted(char *filename, char **comment);
+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(char *filename, struct RSAKey *key, struct RSAAux *aux,
- char *passphrase);
+int saversakey(const Filename *filename, struct RSAKey *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);
+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.
*/
-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, unsigned firstbits);
+void invent_firstbits(unsigned *one, unsigned *two);
-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);
+
+/*
+ * 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);
projects / u / mdw / putty / blobdiff