Annotation of src/usr.bin/ssh/ssh.h, Revision 1.35
1.1 deraadt 1: /*
1.25 deraadt 2: *
3: * ssh.h
4: *
5: * Author: Tatu Ylonen <ylo@cs.hut.fi>
6: *
7: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
8: * All rights reserved
9: *
10: * Created: Fri Mar 17 17:09:37 1995 ylo
11: *
12: * Generic header file for ssh.
13: *
14: */
1.1 deraadt 15:
1.35 ! markus 16: /* RCSID("$Id: ssh.h,v 1.34 2000/03/23 22:15:33 markus 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.
49: */
1.1 deraadt 50: #define PROTOCOL_MAJOR 1
51:
1.26 markus 52: /*
53: * Minor protocol version. Different version indicates minor incompatibility
54: * that does not prevent interoperation.
55: */
1.13 markus 56: #define PROTOCOL_MINOR 5
1.1 deraadt 57:
1.26 markus 58: /*
59: * Name for the service. The port named by this service overrides the
60: * default port if present.
61: */
1.1 deraadt 62: #define SSH_SERVICE_NAME "ssh"
63:
1.2 deraadt 64: #define ETCDIR "/etc"
65: #define PIDDIR "/var/run"
66:
1.26 markus 67: /*
68: * System-wide file containing host keys of known hosts. This file should be
69: * world-readable.
70: */
1.1 deraadt 71: #define SSH_SYSTEM_HOSTFILE ETCDIR "/ssh_known_hosts"
72:
1.26 markus 73: /*
74: * Of these, ssh_host_key must be readable only by root, whereas ssh_config
75: * should be world-readable.
76: */
77: #define HOST_KEY_FILE ETCDIR "/ssh_host_key"
78: #define SERVER_CONFIG_FILE ETCDIR "/sshd_config"
79: #define HOST_CONFIG_FILE ETCDIR "/ssh_config"
1.2 deraadt 80:
81: #define SSH_PROGRAM "/usr/bin/ssh"
1.1 deraadt 82:
1.26 markus 83: /*
84: * The process id of the daemon listening for connections is saved here to
85: * make it easier to kill the correct daemon when necessary.
86: */
1.1 deraadt 87: #define SSH_DAEMON_PID_FILE PIDDIR "/sshd.pid"
88:
1.26 markus 89: /*
90: * The directory in user\'s home directory in which the files reside. The
91: * directory should be world-readable (though not all files are).
92: */
1.1 deraadt 93: #define SSH_USER_DIR ".ssh"
94:
1.26 markus 95: /*
96: * Per-user file containing host keys of known hosts. This file need not be
97: * readable by anyone except the user him/herself, though this does not
98: * contain anything particularly secret.
99: */
1.1 deraadt 100: #define SSH_USER_HOSTFILE "~/.ssh/known_hosts"
101:
1.26 markus 102: /*
103: * Name of the default file containing client-side authentication key. This
104: * file should only be readable by the user him/herself.
105: */
1.1 deraadt 106: #define SSH_CLIENT_IDENTITY ".ssh/identity"
107:
1.26 markus 108: /*
109: * Configuration file in user\'s home directory. This file need not be
110: * readable by anyone but the user him/herself, but does not contain anything
111: * particularly secret. If the user\'s home directory resides on an NFS
112: * volume where root is mapped to nobody, this may need to be world-readable.
113: */
1.1 deraadt 114: #define SSH_USER_CONFFILE ".ssh/config"
115:
1.26 markus 116: /*
117: * File containing a list of those rsa keys that permit logging in as this
118: * user. This file need not be readable by anyone but the user him/herself,
119: * but does not contain anything particularly secret. If the user\'s home
120: * directory resides on an NFS volume where root is mapped to nobody, this
121: * may need to be world-readable. (This file is read by the daemon which is
122: * running as root.)
123: */
1.1 deraadt 124: #define SSH_USER_PERMITTED_KEYS ".ssh/authorized_keys"
125:
1.26 markus 126: /*
127: * Per-user and system-wide ssh "rc" files. These files are executed with
128: * /bin/sh before starting the shell or command if they exist. They will be
129: * passed "proto cookie" as arguments if X11 forwarding with spoofing is in
130: * use. xauth will be run if neither of these exists.
131: */
1.1 deraadt 132: #define SSH_USER_RC ".ssh/rc"
133: #define SSH_SYSTEM_RC ETCDIR "/sshrc"
134:
1.26 markus 135: /*
136: * Ssh-only version of /etc/hosts.equiv. Additionally, the daemon may use
137: * ~/.rhosts and /etc/hosts.equiv if rhosts authentication is enabled.
138: */
1.1 deraadt 139: #define SSH_HOSTS_EQUIV ETCDIR "/shosts.equiv"
140:
1.26 markus 141: /*
142: * Name of the environment variable containing the pathname of the
143: * authentication socket.
144: */
1.13 markus 145: #define SSH_AUTHSOCKET_ENV_NAME "SSH_AUTH_SOCK"
1.15 markus 146:
1.26 markus 147: /*
148: * Name of the environment variable containing the pathname of the
149: * authentication socket.
150: */
1.15 markus 151: #define SSH_AGENTPID_ENV_NAME "SSH_AGENT_PID"
1.29 markus 152:
153: /*
154: * Default path to ssh-askpass used by ssh-add,
155: * environment variable for overwriting the default location
156: */
157: #define SSH_ASKPASS_DEFAULT "/usr/X11R6/bin/ssh-askpass"
158: #define SSH_ASKPASS_ENV "SSH_ASKPASS"
1.1 deraadt 159:
1.26 markus 160: /*
161: * Force host key length and server key length to differ by at least this
162: * many bits. This is to make double encryption with rsaref work.
163: */
1.1 deraadt 164: #define SSH_KEY_BITS_RESERVED 128
165:
1.26 markus 166: /*
167: * Length of the session key in bytes. (Specified as 256 bits in the
168: * protocol.)
169: */
1.1 deraadt 170: #define SSH_SESSION_KEY_LENGTH 32
171:
172: /* Name of Kerberos service for SSH to use. */
173: #define KRB4_SERVICE_NAME "rcmd"
174:
1.26 markus 175: /*
176: * Authentication methods. New types can be added, but old types should not
177: * be removed for compatibility. The maximum allowed value is 31.
178: */
1.1 deraadt 179: #define SSH_AUTH_RHOSTS 1
180: #define SSH_AUTH_RSA 2
181: #define SSH_AUTH_PASSWORD 3
182: #define SSH_AUTH_RHOSTS_RSA 4
1.24 markus 183: #define SSH_AUTH_TIS 5
1.1 deraadt 184: #define SSH_AUTH_KERBEROS 6
185: #define SSH_PASS_KERBEROS_TGT 7
1.26 markus 186: /* 8 to 15 are reserved */
1.1 deraadt 187: #define SSH_PASS_AFS_TOKEN 21
188:
189: /* Protocol flags. These are bit masks. */
1.26 markus 190: #define SSH_PROTOFLAG_SCREEN_NUMBER 1 /* X11 forwarding includes screen */
191: #define SSH_PROTOFLAG_HOST_IN_FWD_OPEN 2 /* forwarding opens contain host */
192:
193: /*
194: * Definition of message types. New values can be added, but old values
195: * should not be removed or without careful consideration of the consequences
196: * for compatibility. The maximum value is 254; value 255 is reserved for
197: * future extension.
198: */
199: /* Message name */ /* msg code */ /* arguments */
1.1 deraadt 200: #define SSH_MSG_NONE 0 /* no message */
201: #define SSH_MSG_DISCONNECT 1 /* cause (string) */
202: #define SSH_SMSG_PUBLIC_KEY 2 /* ck,msk,srvk,hostk */
1.3 provos 203: #define SSH_CMSG_SESSION_KEY 3 /* key (BIGNUM) */
1.1 deraadt 204: #define SSH_CMSG_USER 4 /* user (string) */
205: #define SSH_CMSG_AUTH_RHOSTS 5 /* user (string) */
1.3 provos 206: #define SSH_CMSG_AUTH_RSA 6 /* modulus (BIGNUM) */
207: #define SSH_SMSG_AUTH_RSA_CHALLENGE 7 /* int (BIGNUM) */
208: #define SSH_CMSG_AUTH_RSA_RESPONSE 8 /* int (BIGNUM) */
1.1 deraadt 209: #define SSH_CMSG_AUTH_PASSWORD 9 /* pass (string) */
210: #define SSH_CMSG_REQUEST_PTY 10 /* TERM, tty modes */
211: #define SSH_CMSG_WINDOW_SIZE 11 /* row,col,xpix,ypix */
212: #define SSH_CMSG_EXEC_SHELL 12 /* */
213: #define SSH_CMSG_EXEC_CMD 13 /* cmd (string) */
214: #define SSH_SMSG_SUCCESS 14 /* */
215: #define SSH_SMSG_FAILURE 15 /* */
216: #define SSH_CMSG_STDIN_DATA 16 /* data (string) */
217: #define SSH_SMSG_STDOUT_DATA 17 /* data (string) */
218: #define SSH_SMSG_STDERR_DATA 18 /* data (string) */
219: #define SSH_CMSG_EOF 19 /* */
220: #define SSH_SMSG_EXITSTATUS 20 /* status (int) */
221: #define SSH_MSG_CHANNEL_OPEN_CONFIRMATION 21 /* channel (int) */
222: #define SSH_MSG_CHANNEL_OPEN_FAILURE 22 /* channel (int) */
223: #define SSH_MSG_CHANNEL_DATA 23 /* ch,data (int,str) */
224: #define SSH_MSG_CHANNEL_CLOSE 24 /* channel (int) */
225: #define SSH_MSG_CHANNEL_CLOSE_CONFIRMATION 25 /* channel (int) */
226: /* SSH_CMSG_X11_REQUEST_FORWARDING 26 OBSOLETE */
227: #define SSH_SMSG_X11_OPEN 27 /* channel (int) */
228: #define SSH_CMSG_PORT_FORWARD_REQUEST 28 /* p,host,hp (i,s,i) */
229: #define SSH_MSG_PORT_OPEN 29 /* ch,h,p (i,s,i) */
230: #define SSH_CMSG_AGENT_REQUEST_FORWARDING 30 /* */
231: #define SSH_SMSG_AGENT_OPEN 31 /* port (int) */
232: #define SSH_MSG_IGNORE 32 /* string */
233: #define SSH_CMSG_EXIT_CONFIRMATION 33 /* */
234: #define SSH_CMSG_X11_REQUEST_FORWARDING 34 /* proto,data (s,s) */
235: #define SSH_CMSG_AUTH_RHOSTS_RSA 35 /* user,mod (s,mpi) */
236: #define SSH_MSG_DEBUG 36 /* string */
237: #define SSH_CMSG_REQUEST_COMPRESSION 37 /* level 1-9 (int) */
1.13 markus 238: #define SSH_CMSG_MAX_PACKET_SIZE 38 /* size 4k-1024k (int) */
1.24 markus 239: #define SSH_CMSG_AUTH_TIS 39 /* we use this for s/key */
240: #define SSH_SMSG_AUTH_TIS_CHALLENGE 40 /* challenge (string) */
241: #define SSH_CMSG_AUTH_TIS_RESPONSE 41 /* response (string) */
1.1 deraadt 242: #define SSH_CMSG_AUTH_KERBEROS 42 /* (KTEXT) */
243: #define SSH_SMSG_AUTH_KERBEROS_RESPONSE 43 /* (KTEXT) */
244: #define SSH_CMSG_HAVE_KERBEROS_TGT 44 /* credentials (s) */
245: #define SSH_CMSG_HAVE_AFS_TOKEN 65 /* token (s) */
246:
247: /*------------ definitions for login.c -------------*/
248:
1.26 markus 249: /*
250: * Returns the time when the user last logged in. Returns 0 if the
251: * information is not available. This must be called before record_login.
252: * The host from which the user logged in is stored in buf.
253: */
1.25 deraadt 254: unsigned long
255: get_last_login_time(uid_t uid, const char *logname,
256: char *buf, unsigned int bufsize);
1.1 deraadt 257:
1.26 markus 258: /*
259: * Records that the user has logged in. This does many things normally done
260: * by login(1).
261: */
1.25 deraadt 262: void
263: record_login(int pid, const char *ttyname, const char *user, uid_t uid,
1.32 markus 264: const char *host, struct sockaddr *addr);
1.1 deraadt 265:
1.26 markus 266: /*
267: * Records that the user has logged out. This does many thigs normally done
268: * by login(1) or init.
269: */
1.25 deraadt 270: void record_logout(int pid, const char *ttyname);
1.1 deraadt 271:
272: /*------------ definitions for sshconnect.c ----------*/
273:
1.26 markus 274: /*
275: * Opens a TCP/IP connection to the remote server on the given host. If port
276: * is 0, the default port will be used. If anonymous is zero, a privileged
277: * port will be allocated to make the connection. This requires super-user
278: * privileges if anonymous is false. Connection_attempts specifies the
279: * maximum number of tries, one per second. This returns true on success,
280: * and zero on failure. If the connection is successful, this calls
281: * packet_set_connection for the connection.
282: */
1.25 deraadt 283: int
1.32 markus 284: ssh_connect(const char *host, struct sockaddr_storage * hostaddr,
1.27 markus 285: u_short port, int connection_attempts,
1.25 deraadt 286: int anonymous, uid_t original_real_uid,
287: const char *proxy_command);
1.1 deraadt 288:
1.26 markus 289: /*
290: * Starts a dialog with the server, and authenticates the current user on the
291: * server. This does not need any extra privileges. The basic connection to
292: * the server must already have been established before this is called. If
293: * login fails, this function prints an error and never returns. This
294: * initializes the random state, and leaves it initialized (it will also have
295: * references from the packet module).
296: */
1.18 markus 297:
1.25 deraadt 298: void
299: ssh_login(int host_key_valid, RSA * host_key, const char *host,
1.32 markus 300: struct sockaddr * hostaddr, uid_t original_real_uid);
1.1 deraadt 301:
302: /*------------ Definitions for various authentication methods. -------*/
303:
1.26 markus 304: /*
305: * Tries to authenticate the user using the .rhosts file. Returns true if
306: * authentication succeeds. If ignore_rhosts is non-zero, this will not
307: * consider .rhosts and .shosts (/etc/hosts.equiv will still be used).
308: */
1.25 deraadt 309: int auth_rhosts(struct passwd * pw, const char *client_user);
1.1 deraadt 310:
1.26 markus 311: /*
312: * Tries to authenticate the user using the .rhosts file and the host using
313: * its host key. Returns true if authentication succeeds.
314: */
1.25 deraadt 315: int
1.34 markus 316: auth_rhosts_rsa(struct passwd * pw, const char *client_user, RSA* client_host_key);
1.1 deraadt 317:
1.26 markus 318: /*
319: * Tries to authenticate the user using password. Returns true if
320: * authentication succeeds.
321: */
1.25 deraadt 322: int auth_password(struct passwd * pw, const char *password);
1.1 deraadt 323:
1.26 markus 324: /*
325: * Performs the RSA authentication dialog with the client. This returns 0 if
326: * the client could not be authenticated, and 1 if authentication was
327: * successful. This may exit if there is a serious protocol violation.
328: */
1.25 deraadt 329: int auth_rsa(struct passwd * pw, BIGNUM * client_n);
1.1 deraadt 330:
1.26 markus 331: /*
332: * Parses an RSA key (number of bits, e, n) from a string. Moves the pointer
333: * over the key. Skips any whitespace at the beginning and at end.
334: */
1.25 deraadt 335: int auth_rsa_read_key(char **cpp, unsigned int *bitsp, BIGNUM * e, BIGNUM * n);
1.1 deraadt 336:
1.26 markus 337: /*
338: * Returns the name of the machine at the other end of the socket. The
339: * returned string should be freed by the caller.
340: */
1.25 deraadt 341: char *get_remote_hostname(int socket);
1.1 deraadt 342:
1.26 markus 343: /*
344: * Return the canonical name of the host in the other side of the current
345: * connection (as returned by packet_get_connection). The host name is
346: * cached, so it is efficient to call this several times.
347: */
1.1 deraadt 348: const char *get_canonical_hostname(void);
349:
1.26 markus 350: /*
351: * Returns the remote IP address as an ascii string. The value need not be
352: * freed by the caller.
353: */
1.1 deraadt 354: const char *get_remote_ipaddr(void);
355:
356: /* Returns the port number of the peer of the socket. */
1.25 deraadt 357: int get_peer_port(int sock);
1.1 deraadt 358:
1.32 markus 359: /* Returns the port number of the remote/local host. */
1.25 deraadt 360: int get_remote_port(void);
1.32 markus 361: int get_local_port(void);
362:
1.1 deraadt 363:
1.26 markus 364: /*
365: * Performs the RSA authentication challenge-response dialog with the client,
366: * and returns true (non-zero) if the client gave the correct answer to our
367: * challenge; returns zero if the client gives a wrong answer.
368: */
1.34 markus 369: int auth_rsa_challenge_dialog(RSA *pk);
1.1 deraadt 370:
1.26 markus 371: /*
372: * Reads a passphrase from /dev/tty with echo turned off. Returns the
373: * passphrase (allocated with xmalloc). Exits if EOF is encountered. If
374: * from_stdin is true, the passphrase will be read from stdin instead.
375: */
1.25 deraadt 376: char *read_passphrase(const char *prompt, int from_stdin);
1.1 deraadt 377:
1.26 markus 378: /*
379: * Saves the authentication (private) key in a file, encrypting it with
380: * passphrase. The identification of the file (lowest 64 bits of n) will
381: * precede the key to provide identification of the key without needing a
382: * passphrase.
383: */
1.25 deraadt 384: int
385: save_private_key(const char *filename, const char *passphrase,
386: RSA * private_key, const char *comment);
1.1 deraadt 387:
1.26 markus 388: /*
389: * Loads the public part of the key file (public key and comment). Returns 0
390: * if an error occurred; zero if the public key was successfully read. The
391: * comment of the key is returned in comment_return if it is non-NULL; the
392: * caller must free the value with xfree.
393: */
1.25 deraadt 394: int
395: load_public_key(const char *filename, RSA * pub,
396: char **comment_return);
1.1 deraadt 397:
1.26 markus 398: /*
399: * Loads the private key from the file. Returns 0 if an error is encountered
400: * (file does not exist or is not readable, or passphrase is bad). This
401: * initializes the private key. The comment of the key is returned in
402: * comment_return if it is non-NULL; the caller must free the value with
403: * xfree.
404: */
1.25 deraadt 405: int
406: load_private_key(const char *filename, const char *passphrase,
407: RSA * private_key, char **comment_return);
1.20 markus 408:
409: /*------------ Definitions for logging. -----------------------*/
410:
411: /* Supported syslog facilities and levels. */
1.25 deraadt 412: typedef enum {
413: SYSLOG_FACILITY_DAEMON,
414: SYSLOG_FACILITY_USER,
415: SYSLOG_FACILITY_AUTH,
416: SYSLOG_FACILITY_LOCAL0,
417: SYSLOG_FACILITY_LOCAL1,
418: SYSLOG_FACILITY_LOCAL2,
419: SYSLOG_FACILITY_LOCAL3,
420: SYSLOG_FACILITY_LOCAL4,
421: SYSLOG_FACILITY_LOCAL5,
422: SYSLOG_FACILITY_LOCAL6,
423: SYSLOG_FACILITY_LOCAL7
424: } SyslogFacility;
425:
426: typedef enum {
427: SYSLOG_LEVEL_QUIET,
428: SYSLOG_LEVEL_FATAL,
429: SYSLOG_LEVEL_ERROR,
430: SYSLOG_LEVEL_INFO,
431: SYSLOG_LEVEL_VERBOSE,
432: SYSLOG_LEVEL_DEBUG
433: } LogLevel;
1.20 markus 434: /* Initializes logging. */
1.25 deraadt 435: void log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr);
1.20 markus 436:
437: /* Logging implementation, depending on server or client */
1.25 deraadt 438: void do_log(LogLevel level, const char *fmt, va_list args);
1.22 markus 439:
440: /* name to facility/level */
441: SyslogFacility log_facility_number(char *name);
442: LogLevel log_level_number(char *name);
1.20 markus 443:
444: /* Output a message to syslog or stderr */
1.25 deraadt 445: void fatal(const char *fmt,...) __attribute__((format(printf, 1, 2)));
446: void error(const char *fmt,...) __attribute__((format(printf, 1, 2)));
447: void log(const char *fmt,...) __attribute__((format(printf, 1, 2)));
448: void verbose(const char *fmt,...) __attribute__((format(printf, 1, 2)));
449: void debug(const char *fmt,...) __attribute__((format(printf, 1, 2)));
450:
1.20 markus 451: /* same as fatal() but w/o logging */
1.25 deraadt 452: void fatal_cleanup(void);
1.20 markus 453:
1.26 markus 454: /*
455: * Registers a cleanup function to be called by fatal()/fatal_cleanup()
456: * before exiting. It is permissible to call fatal_remove_cleanup for the
457: * function itself from the function.
458: */
1.25 deraadt 459: void fatal_add_cleanup(void (*proc) (void *context), void *context);
1.20 markus 460:
461: /* Removes a cleanup function to be called at fatal(). */
1.25 deraadt 462: void fatal_remove_cleanup(void (*proc) (void *context), void *context);
1.1 deraadt 463:
1.26 markus 464: /*
465: * Expands tildes in the file name. Returns data allocated by xmalloc.
466: * Warning: this calls getpw*.
467: */
1.25 deraadt 468: char *tilde_expand_filename(const char *filename, uid_t my_uid);
1.1 deraadt 469:
1.26 markus 470: /*
471: * Performs the interactive session. This handles data transmission between
472: * the client and the program. Note that the notion of stdin, stdout, and
473: * stderr in this function is sort of reversed: this function writes to stdin
474: * (of the child program), and reads from stdout and stderr (of the child
475: * program).
476: */
1.25 deraadt 477: void server_loop(int pid, int fdin, int fdout, int fderr);
1.1 deraadt 478:
479: /* Client side main loop for the interactive session. */
1.25 deraadt 480: int client_loop(int have_pty, int escape_char);
1.1 deraadt 481:
482: /* Linked list of custom environment strings (see auth-rsa.c). */
483: struct envstring {
1.25 deraadt 484: struct envstring *next;
485: char *s;
1.1 deraadt 486: };
1.30 deraadt 487:
488: /*
489: * Ensure all of data on socket comes through. f==read || f==write
490: */
1.33 d 491: ssize_t atomicio(ssize_t (*f)(), int fd, void *s, size_t n);
1.30 deraadt 492:
1.1 deraadt 493: #ifdef KRB4
494: #include <krb.h>
1.26 markus 495: /*
496: * Performs Kerberos v4 mutual authentication with the client. This returns 0
497: * if the client could not be authenticated, and 1 if authentication was
498: * successful. This may exit if there is a serious protocol violation.
499: */
1.25 deraadt 500: int auth_krb4(const char *server_user, KTEXT auth, char **client);
501: int krb4_init(uid_t uid);
502: void krb4_cleanup_proc(void *ignore);
1.28 markus 503: int auth_krb4_password(struct passwd * pw, const char *password);
1.4 dugsong 504:
505: #ifdef AFS
506: #include <kafs.h>
507:
508: /* Accept passed Kerberos v4 ticket-granting ticket and AFS tokens. */
1.25 deraadt 509: int auth_kerberos_tgt(struct passwd * pw, const char *string);
510: int auth_afs_token(struct passwd * pw, const char *token_string);
1.1 deraadt 511:
1.25 deraadt 512: int creds_to_radix(CREDENTIALS * creds, unsigned char *buf);
513: int radix_to_creds(const char *buf, CREDENTIALS * creds);
514: #endif /* AFS */
1.1 deraadt 515:
1.25 deraadt 516: #endif /* KRB4 */
1.9 markus 517:
518: #ifdef SKEY
519: #include <skey.h>
1.25 deraadt 520: char *skey_fake_keyinfo(char *username);
1.28 markus 521: int auth_skey_password(struct passwd * pw, const char *password);
1.25 deraadt 522: #endif /* SKEY */
1.32 markus 523:
524: /* AF_UNSPEC or AF_INET or AF_INET6 */
525: extern int IPv4or6;
1.1 deraadt 526:
1.25 deraadt 527: #endif /* SSH_H */
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