Annotation of src/usr.bin/ssh/ssh.h, Revision 1.40
1.1 deraadt 1: /*
1.38 markus 2: *
1.25 deraadt 3: * ssh.h
1.38 markus 4: *
1.25 deraadt 5: * Author: Tatu Ylonen <ylo@cs.hut.fi>
1.38 markus 6: *
1.25 deraadt 7: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
8: * All rights reserved
1.38 markus 9: *
1.25 deraadt 10: * Created: Fri Mar 17 17:09:37 1995 ylo
1.38 markus 11: *
1.25 deraadt 12: * Generic header file for ssh.
1.38 markus 13: *
1.25 deraadt 14: */
1.1 deraadt 15:
1.40 ! markus 16: /* RCSID("$Id: ssh.h,v 1.39 2000/04/19 07:05:49 deraadt Exp $"); */
1.1 deraadt 17:
18: #ifndef SSH_H
19: #define SSH_H
20:
21: #include "rsa.h"
22: #include "cipher.h"
23:
1.26 markus 24: /*
25: * The default cipher used if IDEA is not supported by the remote host. It is
26: * recommended that this be one of the mandatory ciphers (DES, 3DES), though
27: * that is not required.
28: */
1.1 deraadt 29: #define SSH_FALLBACK_CIPHER SSH_CIPHER_3DES
30:
31: /* Cipher used for encrypting authentication files. */
32: #define SSH_AUTHFILE_CIPHER SSH_CIPHER_3DES
33:
34: /* Default port number. */
35: #define SSH_DEFAULT_PORT 22
36:
37: /* Maximum number of TCP/IP ports forwarded per direction. */
38: #define SSH_MAX_FORWARDS_PER_DIRECTION 100
39:
1.26 markus 40: /*
41: * Maximum number of RSA authentication identity files that can be specified
42: * in configuration files or on the command line.
43: */
1.1 deraadt 44: #define SSH_MAX_IDENTITY_FILES 100
45:
1.26 markus 46: /*
47: * Major protocol version. Different version indicates major incompatiblity
48: * that prevents communication.
1.37 markus 49: *
1.26 markus 50: * Minor protocol version. Different version indicates minor incompatibility
51: * that does not prevent interoperation.
52: */
1.37 markus 53: #define PROTOCOL_MAJOR_1 1
54: #define PROTOCOL_MINOR_1 5
55:
56: /* We support both SSH1 and SSH2 */
57: #define PROTOCOL_MAJOR_2 2
58: #define PROTOCOL_MINOR_2 0
1.1 deraadt 59:
1.26 markus 60: /*
61: * Name for the service. The port named by this service overrides the
62: * default port if present.
63: */
1.1 deraadt 64: #define SSH_SERVICE_NAME "ssh"
65:
1.2 deraadt 66: #define ETCDIR "/etc"
67: #define PIDDIR "/var/run"
68:
1.26 markus 69: /*
70: * System-wide file containing host keys of known hosts. This file should be
71: * world-readable.
72: */
1.1 deraadt 73: #define SSH_SYSTEM_HOSTFILE ETCDIR "/ssh_known_hosts"
1.40 ! markus 74: #define SSH_SYSTEM_HOSTFILE2 ETCDIR "/ssh_known_hosts2"
1.1 deraadt 75:
1.26 markus 76: /*
77: * Of these, ssh_host_key must be readable only by root, whereas ssh_config
78: * should be world-readable.
79: */
80: #define HOST_KEY_FILE ETCDIR "/ssh_host_key"
81: #define SERVER_CONFIG_FILE ETCDIR "/sshd_config"
82: #define HOST_CONFIG_FILE ETCDIR "/ssh_config"
1.36 markus 83: #define DSA_KEY_FILE ETCDIR "/ssh_dsa_key"
1.2 deraadt 84:
85: #define SSH_PROGRAM "/usr/bin/ssh"
1.1 deraadt 86:
1.26 markus 87: /*
88: * The process id of the daemon listening for connections is saved here to
89: * make it easier to kill the correct daemon when necessary.
90: */
1.1 deraadt 91: #define SSH_DAEMON_PID_FILE PIDDIR "/sshd.pid"
92:
1.26 markus 93: /*
94: * The directory in user\'s home directory in which the files reside. The
95: * directory should be world-readable (though not all files are).
96: */
1.1 deraadt 97: #define SSH_USER_DIR ".ssh"
98:
1.26 markus 99: /*
100: * Per-user file containing host keys of known hosts. This file need not be
101: * readable by anyone except the user him/herself, though this does not
102: * contain anything particularly secret.
103: */
1.1 deraadt 104: #define SSH_USER_HOSTFILE "~/.ssh/known_hosts"
1.40 ! markus 105: #define SSH_USER_HOSTFILE2 "~/.ssh/known_hosts2"
1.1 deraadt 106:
1.26 markus 107: /*
108: * Name of the default file containing client-side authentication key. This
109: * file should only be readable by the user him/herself.
110: */
1.1 deraadt 111: #define SSH_CLIENT_IDENTITY ".ssh/identity"
112:
1.26 markus 113: /*
114: * Configuration file in user\'s home directory. This file need not be
115: * readable by anyone but the user him/herself, but does not contain anything
116: * particularly secret. If the user\'s home directory resides on an NFS
117: * volume where root is mapped to nobody, this may need to be world-readable.
118: */
1.1 deraadt 119: #define SSH_USER_CONFFILE ".ssh/config"
120:
1.26 markus 121: /*
122: * File containing a list of those rsa keys that permit logging in as this
123: * user. This file need not be readable by anyone but the user him/herself,
124: * but does not contain anything particularly secret. If the user\'s home
125: * directory resides on an NFS volume where root is mapped to nobody, this
126: * may need to be world-readable. (This file is read by the daemon which is
127: * running as root.)
128: */
1.1 deraadt 129: #define SSH_USER_PERMITTED_KEYS ".ssh/authorized_keys"
1.40 ! markus 130: #define SSH_USER_PERMITTED_KEYS2 ".ssh/authorized_keys2"
1.1 deraadt 131:
1.26 markus 132: /*
133: * Per-user and system-wide ssh "rc" files. These files are executed with
134: * /bin/sh before starting the shell or command if they exist. They will be
135: * passed "proto cookie" as arguments if X11 forwarding with spoofing is in
136: * use. xauth will be run if neither of these exists.
137: */
1.1 deraadt 138: #define SSH_USER_RC ".ssh/rc"
139: #define SSH_SYSTEM_RC ETCDIR "/sshrc"
140:
1.26 markus 141: /*
142: * Ssh-only version of /etc/hosts.equiv. Additionally, the daemon may use
143: * ~/.rhosts and /etc/hosts.equiv if rhosts authentication is enabled.
144: */
1.1 deraadt 145: #define SSH_HOSTS_EQUIV ETCDIR "/shosts.equiv"
146:
1.26 markus 147: /*
148: * Name of the environment variable containing the pathname of the
149: * authentication socket.
150: */
1.13 markus 151: #define SSH_AUTHSOCKET_ENV_NAME "SSH_AUTH_SOCK"
1.15 markus 152:
1.26 markus 153: /*
154: * Name of the environment variable containing the pathname of the
155: * authentication socket.
156: */
1.15 markus 157: #define SSH_AGENTPID_ENV_NAME "SSH_AGENT_PID"
1.29 markus 158:
159: /*
160: * Default path to ssh-askpass used by ssh-add,
161: * environment variable for overwriting the default location
162: */
163: #define SSH_ASKPASS_DEFAULT "/usr/X11R6/bin/ssh-askpass"
164: #define SSH_ASKPASS_ENV "SSH_ASKPASS"
1.1 deraadt 165:
1.26 markus 166: /*
167: * Force host key length and server key length to differ by at least this
168: * many bits. This is to make double encryption with rsaref work.
169: */
1.1 deraadt 170: #define SSH_KEY_BITS_RESERVED 128
171:
1.26 markus 172: /*
173: * Length of the session key in bytes. (Specified as 256 bits in the
174: * protocol.)
175: */
1.1 deraadt 176: #define SSH_SESSION_KEY_LENGTH 32
177:
178: /* Name of Kerberos service for SSH to use. */
179: #define KRB4_SERVICE_NAME "rcmd"
180:
1.26 markus 181: /*
182: * Authentication methods. New types can be added, but old types should not
183: * be removed for compatibility. The maximum allowed value is 31.
184: */
1.1 deraadt 185: #define SSH_AUTH_RHOSTS 1
186: #define SSH_AUTH_RSA 2
187: #define SSH_AUTH_PASSWORD 3
188: #define SSH_AUTH_RHOSTS_RSA 4
1.24 markus 189: #define SSH_AUTH_TIS 5
1.1 deraadt 190: #define SSH_AUTH_KERBEROS 6
191: #define SSH_PASS_KERBEROS_TGT 7
1.26 markus 192: /* 8 to 15 are reserved */
1.1 deraadt 193: #define SSH_PASS_AFS_TOKEN 21
194:
195: /* Protocol flags. These are bit masks. */
1.26 markus 196: #define SSH_PROTOFLAG_SCREEN_NUMBER 1 /* X11 forwarding includes screen */
197: #define SSH_PROTOFLAG_HOST_IN_FWD_OPEN 2 /* forwarding opens contain host */
198:
199: /*
200: * Definition of message types. New values can be added, but old values
201: * should not be removed or without careful consideration of the consequences
202: * for compatibility. The maximum value is 254; value 255 is reserved for
203: * future extension.
204: */
205: /* Message name */ /* msg code */ /* arguments */
1.1 deraadt 206: #define SSH_MSG_NONE 0 /* no message */
207: #define SSH_MSG_DISCONNECT 1 /* cause (string) */
208: #define SSH_SMSG_PUBLIC_KEY 2 /* ck,msk,srvk,hostk */
1.3 provos 209: #define SSH_CMSG_SESSION_KEY 3 /* key (BIGNUM) */
1.1 deraadt 210: #define SSH_CMSG_USER 4 /* user (string) */
211: #define SSH_CMSG_AUTH_RHOSTS 5 /* user (string) */
1.3 provos 212: #define SSH_CMSG_AUTH_RSA 6 /* modulus (BIGNUM) */
213: #define SSH_SMSG_AUTH_RSA_CHALLENGE 7 /* int (BIGNUM) */
214: #define SSH_CMSG_AUTH_RSA_RESPONSE 8 /* int (BIGNUM) */
1.1 deraadt 215: #define SSH_CMSG_AUTH_PASSWORD 9 /* pass (string) */
216: #define SSH_CMSG_REQUEST_PTY 10 /* TERM, tty modes */
217: #define SSH_CMSG_WINDOW_SIZE 11 /* row,col,xpix,ypix */
218: #define SSH_CMSG_EXEC_SHELL 12 /* */
219: #define SSH_CMSG_EXEC_CMD 13 /* cmd (string) */
220: #define SSH_SMSG_SUCCESS 14 /* */
221: #define SSH_SMSG_FAILURE 15 /* */
222: #define SSH_CMSG_STDIN_DATA 16 /* data (string) */
223: #define SSH_SMSG_STDOUT_DATA 17 /* data (string) */
224: #define SSH_SMSG_STDERR_DATA 18 /* data (string) */
225: #define SSH_CMSG_EOF 19 /* */
226: #define SSH_SMSG_EXITSTATUS 20 /* status (int) */
227: #define SSH_MSG_CHANNEL_OPEN_CONFIRMATION 21 /* channel (int) */
228: #define SSH_MSG_CHANNEL_OPEN_FAILURE 22 /* channel (int) */
229: #define SSH_MSG_CHANNEL_DATA 23 /* ch,data (int,str) */
230: #define SSH_MSG_CHANNEL_CLOSE 24 /* channel (int) */
231: #define SSH_MSG_CHANNEL_CLOSE_CONFIRMATION 25 /* channel (int) */
232: /* SSH_CMSG_X11_REQUEST_FORWARDING 26 OBSOLETE */
233: #define SSH_SMSG_X11_OPEN 27 /* channel (int) */
234: #define SSH_CMSG_PORT_FORWARD_REQUEST 28 /* p,host,hp (i,s,i) */
235: #define SSH_MSG_PORT_OPEN 29 /* ch,h,p (i,s,i) */
236: #define SSH_CMSG_AGENT_REQUEST_FORWARDING 30 /* */
237: #define SSH_SMSG_AGENT_OPEN 31 /* port (int) */
238: #define SSH_MSG_IGNORE 32 /* string */
239: #define SSH_CMSG_EXIT_CONFIRMATION 33 /* */
240: #define SSH_CMSG_X11_REQUEST_FORWARDING 34 /* proto,data (s,s) */
241: #define SSH_CMSG_AUTH_RHOSTS_RSA 35 /* user,mod (s,mpi) */
242: #define SSH_MSG_DEBUG 36 /* string */
243: #define SSH_CMSG_REQUEST_COMPRESSION 37 /* level 1-9 (int) */
1.13 markus 244: #define SSH_CMSG_MAX_PACKET_SIZE 38 /* size 4k-1024k (int) */
1.24 markus 245: #define SSH_CMSG_AUTH_TIS 39 /* we use this for s/key */
246: #define SSH_SMSG_AUTH_TIS_CHALLENGE 40 /* challenge (string) */
247: #define SSH_CMSG_AUTH_TIS_RESPONSE 41 /* response (string) */
1.1 deraadt 248: #define SSH_CMSG_AUTH_KERBEROS 42 /* (KTEXT) */
249: #define SSH_SMSG_AUTH_KERBEROS_RESPONSE 43 /* (KTEXT) */
250: #define SSH_CMSG_HAVE_KERBEROS_TGT 44 /* credentials (s) */
251: #define SSH_CMSG_HAVE_AFS_TOKEN 65 /* token (s) */
252:
253: /*------------ definitions for login.c -------------*/
254:
1.26 markus 255: /*
256: * Returns the time when the user last logged in. Returns 0 if the
257: * information is not available. This must be called before record_login.
258: * The host from which the user logged in is stored in buf.
259: */
1.38 markus 260: unsigned long
1.25 deraadt 261: get_last_login_time(uid_t uid, const char *logname,
262: char *buf, unsigned int bufsize);
1.1 deraadt 263:
1.26 markus 264: /*
265: * Records that the user has logged in. This does many things normally done
266: * by login(1).
267: */
1.38 markus 268: void
1.39 deraadt 269: record_login(pid_t pid, const char *ttyname, const char *user, uid_t uid,
1.32 markus 270: const char *host, struct sockaddr *addr);
1.1 deraadt 271:
1.26 markus 272: /*
273: * Records that the user has logged out. This does many thigs normally done
274: * by login(1) or init.
275: */
1.39 deraadt 276: void record_logout(pid_t pid, const char *ttyname);
1.1 deraadt 277:
278: /*------------ definitions for sshconnect.c ----------*/
279:
1.26 markus 280: /*
281: * Opens a TCP/IP connection to the remote server on the given host. If port
282: * is 0, the default port will be used. If anonymous is zero, a privileged
283: * port will be allocated to make the connection. This requires super-user
284: * privileges if anonymous is false. Connection_attempts specifies the
285: * maximum number of tries, one per second. This returns true on success,
286: * and zero on failure. If the connection is successful, this calls
287: * packet_set_connection for the connection.
288: */
1.38 markus 289: int
1.32 markus 290: ssh_connect(const char *host, struct sockaddr_storage * hostaddr,
1.27 markus 291: u_short port, int connection_attempts,
1.25 deraadt 292: int anonymous, uid_t original_real_uid,
293: const char *proxy_command);
1.1 deraadt 294:
1.26 markus 295: /*
296: * Starts a dialog with the server, and authenticates the current user on the
297: * server. This does not need any extra privileges. The basic connection to
298: * the server must already have been established before this is called. If
299: * login fails, this function prints an error and never returns. This
300: * initializes the random state, and leaves it initialized (it will also have
301: * references from the packet module).
302: */
1.18 markus 303:
1.38 markus 304: void
1.25 deraadt 305: ssh_login(int host_key_valid, RSA * host_key, const char *host,
1.32 markus 306: struct sockaddr * hostaddr, uid_t original_real_uid);
1.1 deraadt 307:
308: /*------------ Definitions for various authentication methods. -------*/
309:
1.26 markus 310: /*
311: * Tries to authenticate the user using the .rhosts file. Returns true if
312: * authentication succeeds. If ignore_rhosts is non-zero, this will not
313: * consider .rhosts and .shosts (/etc/hosts.equiv will still be used).
314: */
1.25 deraadt 315: int auth_rhosts(struct passwd * pw, const char *client_user);
1.1 deraadt 316:
1.26 markus 317: /*
318: * Tries to authenticate the user using the .rhosts file and the host using
319: * its host key. Returns true if authentication succeeds.
320: */
1.38 markus 321: int
1.34 markus 322: auth_rhosts_rsa(struct passwd * pw, const char *client_user, RSA* client_host_key);
1.1 deraadt 323:
1.26 markus 324: /*
325: * Tries to authenticate the user using password. Returns true if
326: * authentication succeeds.
327: */
1.25 deraadt 328: int auth_password(struct passwd * pw, const char *password);
1.1 deraadt 329:
1.26 markus 330: /*
331: * Performs the RSA authentication dialog with the client. This returns 0 if
332: * the client could not be authenticated, and 1 if authentication was
333: * successful. This may exit if there is a serious protocol violation.
334: */
1.25 deraadt 335: int auth_rsa(struct passwd * pw, BIGNUM * client_n);
1.1 deraadt 336:
1.26 markus 337: /*
338: * Parses an RSA key (number of bits, e, n) from a string. Moves the pointer
339: * over the key. Skips any whitespace at the beginning and at end.
340: */
1.25 deraadt 341: int auth_rsa_read_key(char **cpp, unsigned int *bitsp, BIGNUM * e, BIGNUM * n);
1.1 deraadt 342:
1.26 markus 343: /*
344: * Returns the name of the machine at the other end of the socket. The
345: * returned string should be freed by the caller.
346: */
1.25 deraadt 347: char *get_remote_hostname(int socket);
1.1 deraadt 348:
1.26 markus 349: /*
350: * Return the canonical name of the host in the other side of the current
351: * connection (as returned by packet_get_connection). The host name is
352: * cached, so it is efficient to call this several times.
353: */
1.1 deraadt 354: const char *get_canonical_hostname(void);
355:
1.26 markus 356: /*
357: * Returns the remote IP address as an ascii string. The value need not be
358: * freed by the caller.
359: */
1.1 deraadt 360: const char *get_remote_ipaddr(void);
361:
362: /* Returns the port number of the peer of the socket. */
1.25 deraadt 363: int get_peer_port(int sock);
1.1 deraadt 364:
1.32 markus 365: /* Returns the port number of the remote/local host. */
1.25 deraadt 366: int get_remote_port(void);
1.32 markus 367: int get_local_port(void);
368:
1.1 deraadt 369:
1.26 markus 370: /*
371: * Performs the RSA authentication challenge-response dialog with the client,
372: * and returns true (non-zero) if the client gave the correct answer to our
373: * challenge; returns zero if the client gives a wrong answer.
374: */
1.34 markus 375: int auth_rsa_challenge_dialog(RSA *pk);
1.1 deraadt 376:
1.26 markus 377: /*
378: * Reads a passphrase from /dev/tty with echo turned off. Returns the
379: * passphrase (allocated with xmalloc). Exits if EOF is encountered. If
380: * from_stdin is true, the passphrase will be read from stdin instead.
381: */
1.25 deraadt 382: char *read_passphrase(const char *prompt, int from_stdin);
1.1 deraadt 383:
1.20 markus 384:
385: /*------------ Definitions for logging. -----------------------*/
386:
387: /* Supported syslog facilities and levels. */
1.25 deraadt 388: typedef enum {
389: SYSLOG_FACILITY_DAEMON,
390: SYSLOG_FACILITY_USER,
391: SYSLOG_FACILITY_AUTH,
392: SYSLOG_FACILITY_LOCAL0,
393: SYSLOG_FACILITY_LOCAL1,
394: SYSLOG_FACILITY_LOCAL2,
395: SYSLOG_FACILITY_LOCAL3,
396: SYSLOG_FACILITY_LOCAL4,
397: SYSLOG_FACILITY_LOCAL5,
398: SYSLOG_FACILITY_LOCAL6,
399: SYSLOG_FACILITY_LOCAL7
400: } SyslogFacility;
401:
402: typedef enum {
403: SYSLOG_LEVEL_QUIET,
404: SYSLOG_LEVEL_FATAL,
405: SYSLOG_LEVEL_ERROR,
406: SYSLOG_LEVEL_INFO,
407: SYSLOG_LEVEL_VERBOSE,
408: SYSLOG_LEVEL_DEBUG
409: } LogLevel;
1.20 markus 410: /* Initializes logging. */
1.25 deraadt 411: void log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr);
1.20 markus 412:
413: /* Logging implementation, depending on server or client */
1.25 deraadt 414: void do_log(LogLevel level, const char *fmt, va_list args);
1.22 markus 415:
416: /* name to facility/level */
417: SyslogFacility log_facility_number(char *name);
418: LogLevel log_level_number(char *name);
1.20 markus 419:
420: /* Output a message to syslog or stderr */
1.25 deraadt 421: void fatal(const char *fmt,...) __attribute__((format(printf, 1, 2)));
422: void error(const char *fmt,...) __attribute__((format(printf, 1, 2)));
423: void log(const char *fmt,...) __attribute__((format(printf, 1, 2)));
424: void verbose(const char *fmt,...) __attribute__((format(printf, 1, 2)));
425: void debug(const char *fmt,...) __attribute__((format(printf, 1, 2)));
426:
1.20 markus 427: /* same as fatal() but w/o logging */
1.25 deraadt 428: void fatal_cleanup(void);
1.20 markus 429:
1.26 markus 430: /*
431: * Registers a cleanup function to be called by fatal()/fatal_cleanup()
432: * before exiting. It is permissible to call fatal_remove_cleanup for the
433: * function itself from the function.
434: */
1.25 deraadt 435: void fatal_add_cleanup(void (*proc) (void *context), void *context);
1.20 markus 436:
437: /* Removes a cleanup function to be called at fatal(). */
1.25 deraadt 438: void fatal_remove_cleanup(void (*proc) (void *context), void *context);
1.1 deraadt 439:
1.36 markus 440: /* ---- misc */
441:
1.26 markus 442: /*
443: * Expands tildes in the file name. Returns data allocated by xmalloc.
444: * Warning: this calls getpw*.
445: */
1.25 deraadt 446: char *tilde_expand_filename(const char *filename, uid_t my_uid);
1.1 deraadt 447:
1.26 markus 448: /*
449: * Performs the interactive session. This handles data transmission between
450: * the client and the program. Note that the notion of stdin, stdout, and
451: * stderr in this function is sort of reversed: this function writes to stdin
452: * (of the child program), and reads from stdout and stderr (of the child
453: * program).
454: */
1.39 deraadt 455: void server_loop(pid_t pid, int fdin, int fdout, int fderr);
1.36 markus 456: void server_loop2(void);
1.1 deraadt 457:
458: /* Client side main loop for the interactive session. */
1.25 deraadt 459: int client_loop(int have_pty, int escape_char);
1.1 deraadt 460:
461: /* Linked list of custom environment strings (see auth-rsa.c). */
462: struct envstring {
1.25 deraadt 463: struct envstring *next;
464: char *s;
1.1 deraadt 465: };
1.30 deraadt 466:
467: /*
468: * Ensure all of data on socket comes through. f==read || f==write
469: */
1.33 d 470: ssize_t atomicio(ssize_t (*f)(), int fd, void *s, size_t n);
1.30 deraadt 471:
1.1 deraadt 472: #ifdef KRB4
473: #include <krb.h>
1.26 markus 474: /*
475: * Performs Kerberos v4 mutual authentication with the client. This returns 0
476: * if the client could not be authenticated, and 1 if authentication was
477: * successful. This may exit if there is a serious protocol violation.
478: */
1.25 deraadt 479: int auth_krb4(const char *server_user, KTEXT auth, char **client);
480: int krb4_init(uid_t uid);
481: void krb4_cleanup_proc(void *ignore);
1.28 markus 482: int auth_krb4_password(struct passwd * pw, const char *password);
1.4 dugsong 483:
484: #ifdef AFS
485: #include <kafs.h>
486:
487: /* Accept passed Kerberos v4 ticket-granting ticket and AFS tokens. */
1.25 deraadt 488: int auth_kerberos_tgt(struct passwd * pw, const char *string);
489: int auth_afs_token(struct passwd * pw, const char *token_string);
1.1 deraadt 490:
1.25 deraadt 491: int creds_to_radix(CREDENTIALS * creds, unsigned char *buf);
492: int radix_to_creds(const char *buf, CREDENTIALS * creds);
493: #endif /* AFS */
1.1 deraadt 494:
1.25 deraadt 495: #endif /* KRB4 */
1.9 markus 496:
497: #ifdef SKEY
498: #include <skey.h>
1.25 deraadt 499: char *skey_fake_keyinfo(char *username);
1.28 markus 500: int auth_skey_password(struct passwd * pw, const char *password);
1.25 deraadt 501: #endif /* SKEY */
1.32 markus 502:
503: /* AF_UNSPEC or AF_INET or AF_INET6 */
504: extern int IPv4or6;
1.1 deraadt 505:
1.25 deraadt 506: #endif /* SSH_H */
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