Annotation of src/usr.bin/ssh/ssh.h, Revision 1.48
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:
1.48 ! provos 16: /* RCSID("$OpenBSD: ssh.h,v 1.47 2000/06/20 01:39:45 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: /*
1.45 markus 25: * XXX
1.26 markus 26: * The default cipher used if IDEA is not supported by the remote host. It is
27: * recommended that this be one of the mandatory ciphers (DES, 3DES), though
28: * that is not required.
29: */
1.1 deraadt 30: #define SSH_FALLBACK_CIPHER SSH_CIPHER_3DES
31:
32: /* Cipher used for encrypting authentication files. */
33: #define SSH_AUTHFILE_CIPHER SSH_CIPHER_3DES
34:
35: /* Default port number. */
36: #define SSH_DEFAULT_PORT 22
37:
38: /* Maximum number of TCP/IP ports forwarded per direction. */
39: #define SSH_MAX_FORWARDS_PER_DIRECTION 100
40:
1.26 markus 41: /*
42: * Maximum number of RSA authentication identity files that can be specified
43: * in configuration files or on the command line.
44: */
1.1 deraadt 45: #define SSH_MAX_IDENTITY_FILES 100
46:
1.26 markus 47: /*
48: * Major protocol version. Different version indicates major incompatiblity
49: * that prevents communication.
1.37 markus 50: *
1.26 markus 51: * Minor protocol version. Different version indicates minor incompatibility
52: * that does not prevent interoperation.
53: */
1.37 markus 54: #define PROTOCOL_MAJOR_1 1
55: #define PROTOCOL_MINOR_1 5
56:
57: /* We support both SSH1 and SSH2 */
58: #define PROTOCOL_MAJOR_2 2
59: #define PROTOCOL_MINOR_2 0
1.1 deraadt 60:
1.26 markus 61: /*
62: * Name for the service. The port named by this service overrides the
63: * default port if present.
64: */
1.1 deraadt 65: #define SSH_SERVICE_NAME "ssh"
66:
1.2 deraadt 67: #define ETCDIR "/etc"
68: #define PIDDIR "/var/run"
69:
1.26 markus 70: /*
71: * System-wide file containing host keys of known hosts. This file should be
72: * world-readable.
73: */
1.1 deraadt 74: #define SSH_SYSTEM_HOSTFILE ETCDIR "/ssh_known_hosts"
1.40 markus 75: #define SSH_SYSTEM_HOSTFILE2 ETCDIR "/ssh_known_hosts2"
1.1 deraadt 76:
1.26 markus 77: /*
78: * Of these, ssh_host_key must be readable only by root, whereas ssh_config
79: * should be world-readable.
80: */
81: #define HOST_KEY_FILE ETCDIR "/ssh_host_key"
82: #define SERVER_CONFIG_FILE ETCDIR "/sshd_config"
83: #define HOST_CONFIG_FILE ETCDIR "/ssh_config"
1.43 markus 84: #define HOST_DSA_KEY_FILE ETCDIR "/ssh_host_dsa_key"
1.2 deraadt 85:
86: #define SSH_PROGRAM "/usr/bin/ssh"
1.1 deraadt 87:
1.26 markus 88: /*
89: * The process id of the daemon listening for connections is saved here to
90: * make it easier to kill the correct daemon when necessary.
91: */
1.1 deraadt 92: #define SSH_DAEMON_PID_FILE PIDDIR "/sshd.pid"
93:
1.26 markus 94: /*
95: * The directory in user\'s home directory in which the files reside. The
96: * directory should be world-readable (though not all files are).
97: */
1.1 deraadt 98: #define SSH_USER_DIR ".ssh"
99:
1.26 markus 100: /*
101: * Per-user file containing host keys of known hosts. This file need not be
102: * readable by anyone except the user him/herself, though this does not
103: * contain anything particularly secret.
104: */
1.1 deraadt 105: #define SSH_USER_HOSTFILE "~/.ssh/known_hosts"
1.40 markus 106: #define SSH_USER_HOSTFILE2 "~/.ssh/known_hosts2"
1.1 deraadt 107:
1.26 markus 108: /*
109: * Name of the default file containing client-side authentication key. This
110: * file should only be readable by the user him/herself.
111: */
1.1 deraadt 112: #define SSH_CLIENT_IDENTITY ".ssh/identity"
1.42 markus 113: #define SSH_CLIENT_ID_DSA ".ssh/id_dsa"
1.1 deraadt 114:
1.26 markus 115: /*
116: * Configuration file in user\'s home directory. This file need not be
117: * readable by anyone but the user him/herself, but does not contain anything
118: * particularly secret. If the user\'s home directory resides on an NFS
119: * volume where root is mapped to nobody, this may need to be world-readable.
120: */
1.1 deraadt 121: #define SSH_USER_CONFFILE ".ssh/config"
122:
1.26 markus 123: /*
124: * File containing a list of those rsa keys that permit logging in as this
125: * user. This file need not be readable by anyone but the user him/herself,
126: * but does not contain anything particularly secret. If the user\'s home
127: * directory resides on an NFS volume where root is mapped to nobody, this
128: * may need to be world-readable. (This file is read by the daemon which is
129: * running as root.)
130: */
1.1 deraadt 131: #define SSH_USER_PERMITTED_KEYS ".ssh/authorized_keys"
1.40 markus 132: #define SSH_USER_PERMITTED_KEYS2 ".ssh/authorized_keys2"
1.1 deraadt 133:
1.26 markus 134: /*
135: * Per-user and system-wide ssh "rc" files. These files are executed with
136: * /bin/sh before starting the shell or command if they exist. They will be
137: * passed "proto cookie" as arguments if X11 forwarding with spoofing is in
138: * use. xauth will be run if neither of these exists.
139: */
1.1 deraadt 140: #define SSH_USER_RC ".ssh/rc"
141: #define SSH_SYSTEM_RC ETCDIR "/sshrc"
142:
1.26 markus 143: /*
144: * Ssh-only version of /etc/hosts.equiv. Additionally, the daemon may use
145: * ~/.rhosts and /etc/hosts.equiv if rhosts authentication is enabled.
146: */
1.1 deraadt 147: #define SSH_HOSTS_EQUIV ETCDIR "/shosts.equiv"
148:
1.26 markus 149: /*
150: * Name of the environment variable containing the pathname of the
151: * authentication socket.
152: */
1.13 markus 153: #define SSH_AUTHSOCKET_ENV_NAME "SSH_AUTH_SOCK"
1.15 markus 154:
1.26 markus 155: /*
156: * Name of the environment variable containing the pathname of the
157: * authentication socket.
158: */
1.15 markus 159: #define SSH_AGENTPID_ENV_NAME "SSH_AGENT_PID"
1.29 markus 160:
161: /*
162: * Default path to ssh-askpass used by ssh-add,
163: * environment variable for overwriting the default location
164: */
165: #define SSH_ASKPASS_DEFAULT "/usr/X11R6/bin/ssh-askpass"
166: #define SSH_ASKPASS_ENV "SSH_ASKPASS"
1.1 deraadt 167:
1.26 markus 168: /*
169: * Force host key length and server key length to differ by at least this
170: * many bits. This is to make double encryption with rsaref work.
171: */
1.1 deraadt 172: #define SSH_KEY_BITS_RESERVED 128
173:
1.26 markus 174: /*
175: * Length of the session key in bytes. (Specified as 256 bits in the
176: * protocol.)
177: */
1.1 deraadt 178: #define SSH_SESSION_KEY_LENGTH 32
179:
180: /* Name of Kerberos service for SSH to use. */
181: #define KRB4_SERVICE_NAME "rcmd"
182:
1.26 markus 183: /*
184: * Authentication methods. New types can be added, but old types should not
185: * be removed for compatibility. The maximum allowed value is 31.
186: */
1.1 deraadt 187: #define SSH_AUTH_RHOSTS 1
188: #define SSH_AUTH_RSA 2
189: #define SSH_AUTH_PASSWORD 3
190: #define SSH_AUTH_RHOSTS_RSA 4
1.24 markus 191: #define SSH_AUTH_TIS 5
1.1 deraadt 192: #define SSH_AUTH_KERBEROS 6
193: #define SSH_PASS_KERBEROS_TGT 7
1.26 markus 194: /* 8 to 15 are reserved */
1.1 deraadt 195: #define SSH_PASS_AFS_TOKEN 21
196:
197: /* Protocol flags. These are bit masks. */
1.26 markus 198: #define SSH_PROTOFLAG_SCREEN_NUMBER 1 /* X11 forwarding includes screen */
199: #define SSH_PROTOFLAG_HOST_IN_FWD_OPEN 2 /* forwarding opens contain host */
200:
201: /*
202: * Definition of message types. New values can be added, but old values
203: * should not be removed or without careful consideration of the consequences
204: * for compatibility. The maximum value is 254; value 255 is reserved for
205: * future extension.
206: */
207: /* Message name */ /* msg code */ /* arguments */
1.1 deraadt 208: #define SSH_MSG_NONE 0 /* no message */
209: #define SSH_MSG_DISCONNECT 1 /* cause (string) */
210: #define SSH_SMSG_PUBLIC_KEY 2 /* ck,msk,srvk,hostk */
1.3 provos 211: #define SSH_CMSG_SESSION_KEY 3 /* key (BIGNUM) */
1.1 deraadt 212: #define SSH_CMSG_USER 4 /* user (string) */
213: #define SSH_CMSG_AUTH_RHOSTS 5 /* user (string) */
1.3 provos 214: #define SSH_CMSG_AUTH_RSA 6 /* modulus (BIGNUM) */
215: #define SSH_SMSG_AUTH_RSA_CHALLENGE 7 /* int (BIGNUM) */
216: #define SSH_CMSG_AUTH_RSA_RESPONSE 8 /* int (BIGNUM) */
1.1 deraadt 217: #define SSH_CMSG_AUTH_PASSWORD 9 /* pass (string) */
218: #define SSH_CMSG_REQUEST_PTY 10 /* TERM, tty modes */
219: #define SSH_CMSG_WINDOW_SIZE 11 /* row,col,xpix,ypix */
220: #define SSH_CMSG_EXEC_SHELL 12 /* */
221: #define SSH_CMSG_EXEC_CMD 13 /* cmd (string) */
222: #define SSH_SMSG_SUCCESS 14 /* */
223: #define SSH_SMSG_FAILURE 15 /* */
224: #define SSH_CMSG_STDIN_DATA 16 /* data (string) */
225: #define SSH_SMSG_STDOUT_DATA 17 /* data (string) */
226: #define SSH_SMSG_STDERR_DATA 18 /* data (string) */
227: #define SSH_CMSG_EOF 19 /* */
228: #define SSH_SMSG_EXITSTATUS 20 /* status (int) */
229: #define SSH_MSG_CHANNEL_OPEN_CONFIRMATION 21 /* channel (int) */
230: #define SSH_MSG_CHANNEL_OPEN_FAILURE 22 /* channel (int) */
231: #define SSH_MSG_CHANNEL_DATA 23 /* ch,data (int,str) */
232: #define SSH_MSG_CHANNEL_CLOSE 24 /* channel (int) */
233: #define SSH_MSG_CHANNEL_CLOSE_CONFIRMATION 25 /* channel (int) */
234: /* SSH_CMSG_X11_REQUEST_FORWARDING 26 OBSOLETE */
235: #define SSH_SMSG_X11_OPEN 27 /* channel (int) */
236: #define SSH_CMSG_PORT_FORWARD_REQUEST 28 /* p,host,hp (i,s,i) */
237: #define SSH_MSG_PORT_OPEN 29 /* ch,h,p (i,s,i) */
238: #define SSH_CMSG_AGENT_REQUEST_FORWARDING 30 /* */
239: #define SSH_SMSG_AGENT_OPEN 31 /* port (int) */
240: #define SSH_MSG_IGNORE 32 /* string */
241: #define SSH_CMSG_EXIT_CONFIRMATION 33 /* */
242: #define SSH_CMSG_X11_REQUEST_FORWARDING 34 /* proto,data (s,s) */
243: #define SSH_CMSG_AUTH_RHOSTS_RSA 35 /* user,mod (s,mpi) */
244: #define SSH_MSG_DEBUG 36 /* string */
245: #define SSH_CMSG_REQUEST_COMPRESSION 37 /* level 1-9 (int) */
1.13 markus 246: #define SSH_CMSG_MAX_PACKET_SIZE 38 /* size 4k-1024k (int) */
1.24 markus 247: #define SSH_CMSG_AUTH_TIS 39 /* we use this for s/key */
248: #define SSH_SMSG_AUTH_TIS_CHALLENGE 40 /* challenge (string) */
249: #define SSH_CMSG_AUTH_TIS_RESPONSE 41 /* response (string) */
1.1 deraadt 250: #define SSH_CMSG_AUTH_KERBEROS 42 /* (KTEXT) */
251: #define SSH_SMSG_AUTH_KERBEROS_RESPONSE 43 /* (KTEXT) */
252: #define SSH_CMSG_HAVE_KERBEROS_TGT 44 /* credentials (s) */
253: #define SSH_CMSG_HAVE_AFS_TOKEN 65 /* token (s) */
254:
255: /*------------ definitions for login.c -------------*/
256:
1.26 markus 257: /*
258: * Returns the time when the user last logged in. Returns 0 if the
259: * information is not available. This must be called before record_login.
260: * The host from which the user logged in is stored in buf.
261: */
1.38 markus 262: unsigned long
1.25 deraadt 263: get_last_login_time(uid_t uid, const char *logname,
264: char *buf, unsigned int bufsize);
1.1 deraadt 265:
1.26 markus 266: /*
267: * Records that the user has logged in. This does many things normally done
268: * by login(1).
269: */
1.38 markus 270: void
1.39 deraadt 271: record_login(pid_t pid, const char *ttyname, const char *user, uid_t uid,
1.32 markus 272: const char *host, struct sockaddr *addr);
1.1 deraadt 273:
1.26 markus 274: /*
275: * Records that the user has logged out. This does many thigs normally done
276: * by login(1) or init.
277: */
1.39 deraadt 278: void record_logout(pid_t pid, const char *ttyname);
1.1 deraadt 279:
280: /*------------ definitions for sshconnect.c ----------*/
281:
1.26 markus 282: /*
283: * Opens a TCP/IP connection to the remote server on the given host. If port
284: * is 0, the default port will be used. If anonymous is zero, a privileged
285: * port will be allocated to make the connection. This requires super-user
286: * privileges if anonymous is false. Connection_attempts specifies the
287: * maximum number of tries, one per second. This returns true on success,
288: * and zero on failure. If the connection is successful, this calls
289: * packet_set_connection for the connection.
290: */
1.38 markus 291: int
1.32 markus 292: ssh_connect(const char *host, struct sockaddr_storage * hostaddr,
1.27 markus 293: u_short port, int connection_attempts,
1.25 deraadt 294: int anonymous, uid_t original_real_uid,
295: const char *proxy_command);
1.1 deraadt 296:
1.26 markus 297: /*
298: * Starts a dialog with the server, and authenticates the current user on the
299: * server. This does not need any extra privileges. The basic connection to
300: * the server must already have been established before this is called. If
301: * login fails, this function prints an error and never returns. This
302: * initializes the random state, and leaves it initialized (it will also have
303: * references from the packet module).
304: */
1.18 markus 305:
1.38 markus 306: void
1.25 deraadt 307: ssh_login(int host_key_valid, RSA * host_key, const char *host,
1.32 markus 308: struct sockaddr * hostaddr, uid_t original_real_uid);
1.1 deraadt 309:
310: /*------------ Definitions for various authentication methods. -------*/
311:
1.26 markus 312: /*
313: * Tries to authenticate the user using the .rhosts file. Returns true if
314: * authentication succeeds. If ignore_rhosts is non-zero, this will not
315: * consider .rhosts and .shosts (/etc/hosts.equiv will still be used).
316: */
1.25 deraadt 317: int auth_rhosts(struct passwd * pw, const char *client_user);
1.1 deraadt 318:
1.26 markus 319: /*
320: * Tries to authenticate the user using the .rhosts file and the host using
321: * its host key. Returns true if authentication succeeds.
322: */
1.38 markus 323: int
1.34 markus 324: auth_rhosts_rsa(struct passwd * pw, const char *client_user, RSA* client_host_key);
1.1 deraadt 325:
1.26 markus 326: /*
327: * Tries to authenticate the user using password. Returns true if
328: * authentication succeeds.
329: */
1.25 deraadt 330: int auth_password(struct passwd * pw, const char *password);
1.1 deraadt 331:
1.26 markus 332: /*
333: * Performs the RSA authentication dialog with the client. This returns 0 if
334: * the client could not be authenticated, and 1 if authentication was
335: * successful. This may exit if there is a serious protocol violation.
336: */
1.25 deraadt 337: int auth_rsa(struct passwd * pw, BIGNUM * client_n);
1.1 deraadt 338:
1.26 markus 339: /*
340: * Parses an RSA key (number of bits, e, n) from a string. Moves the pointer
341: * over the key. Skips any whitespace at the beginning and at end.
342: */
1.25 deraadt 343: int auth_rsa_read_key(char **cpp, unsigned int *bitsp, BIGNUM * e, BIGNUM * n);
1.1 deraadt 344:
1.26 markus 345: /*
346: * Returns the name of the machine at the other end of the socket. The
347: * returned string should be freed by the caller.
348: */
1.25 deraadt 349: char *get_remote_hostname(int socket);
1.1 deraadt 350:
1.26 markus 351: /*
352: * Return the canonical name of the host in the other side of the current
353: * connection (as returned by packet_get_connection). The host name is
354: * cached, so it is efficient to call this several times.
355: */
1.1 deraadt 356: const char *get_canonical_hostname(void);
357:
1.26 markus 358: /*
359: * Returns the remote IP address as an ascii string. The value need not be
360: * freed by the caller.
361: */
1.1 deraadt 362: const char *get_remote_ipaddr(void);
363:
364: /* Returns the port number of the peer of the socket. */
1.25 deraadt 365: int get_peer_port(int sock);
1.1 deraadt 366:
1.32 markus 367: /* Returns the port number of the remote/local host. */
1.25 deraadt 368: int get_remote_port(void);
1.32 markus 369: int get_local_port(void);
370:
1.1 deraadt 371:
1.26 markus 372: /*
373: * Performs the RSA authentication challenge-response dialog with the client,
374: * and returns true (non-zero) if the client gave the correct answer to our
375: * challenge; returns zero if the client gives a wrong answer.
376: */
1.34 markus 377: int auth_rsa_challenge_dialog(RSA *pk);
1.1 deraadt 378:
1.26 markus 379: /*
380: * Reads a passphrase from /dev/tty with echo turned off. Returns the
381: * passphrase (allocated with xmalloc). Exits if EOF is encountered. If
382: * from_stdin is true, the passphrase will be read from stdin instead.
383: */
1.25 deraadt 384: char *read_passphrase(const char *prompt, int from_stdin);
1.1 deraadt 385:
1.20 markus 386:
387: /*------------ Definitions for logging. -----------------------*/
388:
389: /* Supported syslog facilities and levels. */
1.25 deraadt 390: typedef enum {
391: SYSLOG_FACILITY_DAEMON,
392: SYSLOG_FACILITY_USER,
393: SYSLOG_FACILITY_AUTH,
394: SYSLOG_FACILITY_LOCAL0,
395: SYSLOG_FACILITY_LOCAL1,
396: SYSLOG_FACILITY_LOCAL2,
397: SYSLOG_FACILITY_LOCAL3,
398: SYSLOG_FACILITY_LOCAL4,
399: SYSLOG_FACILITY_LOCAL5,
400: SYSLOG_FACILITY_LOCAL6,
401: SYSLOG_FACILITY_LOCAL7
402: } SyslogFacility;
403:
404: typedef enum {
405: SYSLOG_LEVEL_QUIET,
406: SYSLOG_LEVEL_FATAL,
407: SYSLOG_LEVEL_ERROR,
408: SYSLOG_LEVEL_INFO,
409: SYSLOG_LEVEL_VERBOSE,
410: SYSLOG_LEVEL_DEBUG
411: } LogLevel;
1.20 markus 412: /* Initializes logging. */
1.25 deraadt 413: void log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr);
1.20 markus 414:
415: /* Logging implementation, depending on server or client */
1.25 deraadt 416: void do_log(LogLevel level, const char *fmt, va_list args);
1.22 markus 417:
418: /* name to facility/level */
419: SyslogFacility log_facility_number(char *name);
420: LogLevel log_level_number(char *name);
1.20 markus 421:
422: /* Output a message to syslog or stderr */
1.25 deraadt 423: void fatal(const char *fmt,...) __attribute__((format(printf, 1, 2)));
424: void error(const char *fmt,...) __attribute__((format(printf, 1, 2)));
425: void log(const char *fmt,...) __attribute__((format(printf, 1, 2)));
426: void verbose(const char *fmt,...) __attribute__((format(printf, 1, 2)));
427: void debug(const char *fmt,...) __attribute__((format(printf, 1, 2)));
428:
1.20 markus 429: /* same as fatal() but w/o logging */
1.25 deraadt 430: void fatal_cleanup(void);
1.20 markus 431:
1.26 markus 432: /*
433: * Registers a cleanup function to be called by fatal()/fatal_cleanup()
434: * before exiting. It is permissible to call fatal_remove_cleanup for the
435: * function itself from the function.
436: */
1.25 deraadt 437: void fatal_add_cleanup(void (*proc) (void *context), void *context);
1.20 markus 438:
439: /* Removes a cleanup function to be called at fatal(). */
1.25 deraadt 440: void fatal_remove_cleanup(void (*proc) (void *context), void *context);
1.1 deraadt 441:
1.36 markus 442: /* ---- misc */
443:
1.26 markus 444: /*
445: * Expands tildes in the file name. Returns data allocated by xmalloc.
446: * Warning: this calls getpw*.
447: */
1.25 deraadt 448: char *tilde_expand_filename(const char *filename, uid_t my_uid);
1.46 markus 449:
450: /* remove newline at end of string */
451: char *chop(char *s);
1.48 ! provos 452:
! 453: /* return next token in configuration line */
! 454: char *strdelim(char **s);
1.46 markus 455:
456: /* set filedescriptor to non-blocking */
457: void set_nonblock(int fd);
1.1 deraadt 458:
1.26 markus 459: /*
460: * Performs the interactive session. This handles data transmission between
461: * the client and the program. Note that the notion of stdin, stdout, and
462: * stderr in this function is sort of reversed: this function writes to stdin
463: * (of the child program), and reads from stdout and stderr (of the child
464: * program).
465: */
1.39 deraadt 466: void server_loop(pid_t pid, int fdin, int fdout, int fderr);
1.36 markus 467: void server_loop2(void);
1.1 deraadt 468:
469: /* Client side main loop for the interactive session. */
1.25 deraadt 470: int client_loop(int have_pty, int escape_char);
1.1 deraadt 471:
472: /* Linked list of custom environment strings (see auth-rsa.c). */
473: struct envstring {
1.25 deraadt 474: struct envstring *next;
475: char *s;
1.1 deraadt 476: };
1.30 deraadt 477:
478: /*
479: * Ensure all of data on socket comes through. f==read || f==write
480: */
1.33 d 481: ssize_t atomicio(ssize_t (*f)(), int fd, void *s, size_t n);
1.30 deraadt 482:
1.1 deraadt 483: #ifdef KRB4
484: #include <krb.h>
1.26 markus 485: /*
486: * Performs Kerberos v4 mutual authentication with the client. This returns 0
487: * if the client could not be authenticated, and 1 if authentication was
488: * successful. This may exit if there is a serious protocol violation.
489: */
1.25 deraadt 490: int auth_krb4(const char *server_user, KTEXT auth, char **client);
491: int krb4_init(uid_t uid);
492: void krb4_cleanup_proc(void *ignore);
1.28 markus 493: int auth_krb4_password(struct passwd * pw, const char *password);
1.4 dugsong 494:
495: #ifdef AFS
496: #include <kafs.h>
497:
498: /* Accept passed Kerberos v4 ticket-granting ticket and AFS tokens. */
1.25 deraadt 499: int auth_kerberos_tgt(struct passwd * pw, const char *string);
500: int auth_afs_token(struct passwd * pw, const char *token_string);
1.1 deraadt 501:
1.44 markus 502: int creds_to_radix(CREDENTIALS * creds, unsigned char *buf, size_t buflen);
1.25 deraadt 503: int radix_to_creds(const char *buf, CREDENTIALS * creds);
504: #endif /* AFS */
1.1 deraadt 505:
1.25 deraadt 506: #endif /* KRB4 */
1.9 markus 507:
508: #ifdef SKEY
509: #include <skey.h>
1.25 deraadt 510: char *skey_fake_keyinfo(char *username);
1.28 markus 511: int auth_skey_password(struct passwd * pw, const char *password);
1.25 deraadt 512: #endif /* SKEY */
1.32 markus 513:
514: /* AF_UNSPEC or AF_INET or AF_INET6 */
515: extern int IPv4or6;
1.1 deraadt 516:
1.25 deraadt 517: #endif /* SSH_H */
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