Annotation of src/usr.bin/ssh/ssh.h, Revision 1.54
1.1 deraadt 1: /*
1.25 deraadt 2: * Author: Tatu Ylonen <ylo@cs.hut.fi>
3: * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
4: * All rights reserved
1.38 markus 5: *
1.25 deraadt 6: * Generic header file for ssh.
1.38 markus 7: *
1.50 deraadt 8: * As far as I am concerned, the code I have written for this software
9: * can be used freely for any purpose. Any derived versions of this
10: * software must be clearly marked as such, and if the derived work is
11: * incompatible with the protocol description in the RFC file, it must be
12: * called by a name other than "ssh" or "Secure Shell".
1.25 deraadt 13: */
1.1 deraadt 14:
1.54 ! markus 15: /* RCSID("$OpenBSD: ssh.h,v 1.53 2000/10/11 20:14:39 markus Exp $"); */
1.1 deraadt 16:
17: #ifndef SSH_H
18: #define SSH_H
19:
20: #include "rsa.h"
21: #include "cipher.h"
22:
23: /* Cipher used for encrypting authentication files. */
24: #define SSH_AUTHFILE_CIPHER SSH_CIPHER_3DES
25:
26: /* Default port number. */
27: #define SSH_DEFAULT_PORT 22
28:
29: /* Maximum number of TCP/IP ports forwarded per direction. */
30: #define SSH_MAX_FORWARDS_PER_DIRECTION 100
31:
1.26 markus 32: /*
33: * Maximum number of RSA authentication identity files that can be specified
34: * in configuration files or on the command line.
35: */
1.1 deraadt 36: #define SSH_MAX_IDENTITY_FILES 100
37:
1.26 markus 38: /*
39: * Major protocol version. Different version indicates major incompatiblity
40: * that prevents communication.
1.37 markus 41: *
1.26 markus 42: * Minor protocol version. Different version indicates minor incompatibility
43: * that does not prevent interoperation.
44: */
1.37 markus 45: #define PROTOCOL_MAJOR_1 1
46: #define PROTOCOL_MINOR_1 5
47:
48: /* We support both SSH1 and SSH2 */
49: #define PROTOCOL_MAJOR_2 2
50: #define PROTOCOL_MINOR_2 0
1.1 deraadt 51:
1.26 markus 52: /*
53: * Name for the service. The port named by this service overrides the
54: * default port if present.
55: */
1.1 deraadt 56: #define SSH_SERVICE_NAME "ssh"
57:
1.2 deraadt 58: #define ETCDIR "/etc"
59: #define PIDDIR "/var/run"
60:
1.26 markus 61: /*
62: * System-wide file containing host keys of known hosts. This file should be
63: * world-readable.
64: */
1.1 deraadt 65: #define SSH_SYSTEM_HOSTFILE ETCDIR "/ssh_known_hosts"
1.40 markus 66: #define SSH_SYSTEM_HOSTFILE2 ETCDIR "/ssh_known_hosts2"
1.1 deraadt 67:
1.26 markus 68: /*
69: * Of these, ssh_host_key must be readable only by root, whereas ssh_config
70: * should be world-readable.
71: */
72: #define HOST_KEY_FILE ETCDIR "/ssh_host_key"
73: #define SERVER_CONFIG_FILE ETCDIR "/sshd_config"
74: #define HOST_CONFIG_FILE ETCDIR "/ssh_config"
1.43 markus 75: #define HOST_DSA_KEY_FILE ETCDIR "/ssh_host_dsa_key"
1.52 provos 76: #define DH_PRIMES ETCDIR "/primes"
1.2 deraadt 77:
78: #define SSH_PROGRAM "/usr/bin/ssh"
1.1 deraadt 79:
1.26 markus 80: /*
81: * The process id of the daemon listening for connections is saved here to
82: * make it easier to kill the correct daemon when necessary.
83: */
1.1 deraadt 84: #define SSH_DAEMON_PID_FILE PIDDIR "/sshd.pid"
85:
1.26 markus 86: /*
87: * The directory in user\'s home directory in which the files reside. The
88: * directory should be world-readable (though not all files are).
89: */
1.1 deraadt 90: #define SSH_USER_DIR ".ssh"
91:
1.26 markus 92: /*
93: * Per-user file containing host keys of known hosts. This file need not be
94: * readable by anyone except the user him/herself, though this does not
95: * contain anything particularly secret.
96: */
1.1 deraadt 97: #define SSH_USER_HOSTFILE "~/.ssh/known_hosts"
1.40 markus 98: #define SSH_USER_HOSTFILE2 "~/.ssh/known_hosts2"
1.1 deraadt 99:
1.26 markus 100: /*
101: * Name of the default file containing client-side authentication key. This
102: * file should only be readable by the user him/herself.
103: */
1.1 deraadt 104: #define SSH_CLIENT_IDENTITY ".ssh/identity"
1.42 markus 105: #define SSH_CLIENT_ID_DSA ".ssh/id_dsa"
1.1 deraadt 106:
1.26 markus 107: /*
108: * Configuration file in user\'s home directory. This file need not be
109: * readable by anyone but the user him/herself, but does not contain anything
110: * particularly secret. If the user\'s home directory resides on an NFS
111: * volume where root is mapped to nobody, this may need to be world-readable.
112: */
1.1 deraadt 113: #define SSH_USER_CONFFILE ".ssh/config"
114:
1.26 markus 115: /*
116: * File containing a list of those rsa keys that permit logging in as this
117: * user. This file need not be readable by anyone but the user him/herself,
118: * but does not contain anything particularly secret. If the user\'s home
119: * directory resides on an NFS volume where root is mapped to nobody, this
120: * may need to be world-readable. (This file is read by the daemon which is
121: * running as root.)
122: */
1.1 deraadt 123: #define SSH_USER_PERMITTED_KEYS ".ssh/authorized_keys"
1.40 markus 124: #define SSH_USER_PERMITTED_KEYS2 ".ssh/authorized_keys2"
1.1 deraadt 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: */
1.38 markus 254: unsigned long
1.25 deraadt 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: */
1.38 markus 262: void
1.39 deraadt 263: record_login(pid_t 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: */
1.39 deraadt 270: void record_logout(pid_t 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: */
1.38 markus 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:
1.38 markus 298: void
1.25 deraadt 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: */
1.38 markus 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: */
1.53 markus 376: char *read_passphrase(char *prompt, int from_stdin);
1.1 deraadt 377:
1.20 markus 378:
379: /*------------ Definitions for logging. -----------------------*/
380:
381: /* Supported syslog facilities and levels. */
1.25 deraadt 382: typedef enum {
383: SYSLOG_FACILITY_DAEMON,
384: SYSLOG_FACILITY_USER,
385: SYSLOG_FACILITY_AUTH,
386: SYSLOG_FACILITY_LOCAL0,
387: SYSLOG_FACILITY_LOCAL1,
388: SYSLOG_FACILITY_LOCAL2,
389: SYSLOG_FACILITY_LOCAL3,
390: SYSLOG_FACILITY_LOCAL4,
391: SYSLOG_FACILITY_LOCAL5,
392: SYSLOG_FACILITY_LOCAL6,
393: SYSLOG_FACILITY_LOCAL7
394: } SyslogFacility;
395:
396: typedef enum {
397: SYSLOG_LEVEL_QUIET,
398: SYSLOG_LEVEL_FATAL,
399: SYSLOG_LEVEL_ERROR,
400: SYSLOG_LEVEL_INFO,
401: SYSLOG_LEVEL_VERBOSE,
1.51 markus 402: SYSLOG_LEVEL_DEBUG1,
403: SYSLOG_LEVEL_DEBUG2,
404: SYSLOG_LEVEL_DEBUG3
1.25 deraadt 405: } LogLevel;
1.20 markus 406: /* Initializes logging. */
1.25 deraadt 407: void log_init(char *av0, LogLevel level, SyslogFacility facility, int on_stderr);
1.20 markus 408:
409: /* Logging implementation, depending on server or client */
1.25 deraadt 410: void do_log(LogLevel level, const char *fmt, va_list args);
1.22 markus 411:
412: /* name to facility/level */
413: SyslogFacility log_facility_number(char *name);
414: LogLevel log_level_number(char *name);
1.20 markus 415:
416: /* Output a message to syslog or stderr */
1.25 deraadt 417: void fatal(const char *fmt,...) __attribute__((format(printf, 1, 2)));
418: void error(const char *fmt,...) __attribute__((format(printf, 1, 2)));
419: void log(const char *fmt,...) __attribute__((format(printf, 1, 2)));
420: void verbose(const char *fmt,...) __attribute__((format(printf, 1, 2)));
421: void debug(const char *fmt,...) __attribute__((format(printf, 1, 2)));
1.51 markus 422: void debug2(const char *fmt,...) __attribute__((format(printf, 1, 2)));
423: void debug3(const char *fmt,...) __attribute__((format(printf, 1, 2)));
1.25 deraadt 424:
1.20 markus 425: /* same as fatal() but w/o logging */
1.25 deraadt 426: void fatal_cleanup(void);
1.20 markus 427:
1.26 markus 428: /*
429: * Registers a cleanup function to be called by fatal()/fatal_cleanup()
430: * before exiting. It is permissible to call fatal_remove_cleanup for the
431: * function itself from the function.
432: */
1.25 deraadt 433: void fatal_add_cleanup(void (*proc) (void *context), void *context);
1.20 markus 434:
435: /* Removes a cleanup function to be called at fatal(). */
1.25 deraadt 436: void fatal_remove_cleanup(void (*proc) (void *context), void *context);
1.1 deraadt 437:
1.36 markus 438: /* ---- misc */
439:
1.26 markus 440: /*
441: * Expands tildes in the file name. Returns data allocated by xmalloc.
442: * Warning: this calls getpw*.
443: */
1.25 deraadt 444: char *tilde_expand_filename(const char *filename, uid_t my_uid);
1.46 markus 445:
446: /* remove newline at end of string */
447: char *chop(char *s);
1.48 provos 448:
449: /* return next token in configuration line */
450: char *strdelim(char **s);
1.46 markus 451:
452: /* set filedescriptor to non-blocking */
453: void set_nonblock(int fd);
1.1 deraadt 454:
1.26 markus 455: /*
456: * Performs the interactive session. This handles data transmission between
457: * the client and the program. Note that the notion of stdin, stdout, and
458: * stderr in this function is sort of reversed: this function writes to stdin
459: * (of the child program), and reads from stdout and stderr (of the child
460: * program).
461: */
1.39 deraadt 462: void server_loop(pid_t pid, int fdin, int fdout, int fderr);
1.36 markus 463: void server_loop2(void);
1.1 deraadt 464:
465: /* Client side main loop for the interactive session. */
1.49 markus 466: int client_loop(int have_pty, int escape_char, int id);
1.1 deraadt 467:
468: /* Linked list of custom environment strings (see auth-rsa.c). */
469: struct envstring {
1.25 deraadt 470: struct envstring *next;
471: char *s;
1.1 deraadt 472: };
1.30 deraadt 473:
474: /*
475: * Ensure all of data on socket comes through. f==read || f==write
476: */
1.33 d 477: ssize_t atomicio(ssize_t (*f)(), int fd, void *s, size_t n);
1.30 deraadt 478:
1.1 deraadt 479: #ifdef KRB4
480: #include <krb.h>
1.26 markus 481: /*
482: * Performs Kerberos v4 mutual authentication with the client. This returns 0
483: * if the client could not be authenticated, and 1 if authentication was
484: * successful. This may exit if there is a serious protocol violation.
485: */
1.25 deraadt 486: int auth_krb4(const char *server_user, KTEXT auth, char **client);
487: int krb4_init(uid_t uid);
488: void krb4_cleanup_proc(void *ignore);
1.28 markus 489: int auth_krb4_password(struct passwd * pw, const char *password);
1.4 dugsong 490:
491: #ifdef AFS
492: #include <kafs.h>
493:
494: /* Accept passed Kerberos v4 ticket-granting ticket and AFS tokens. */
1.25 deraadt 495: int auth_kerberos_tgt(struct passwd * pw, const char *string);
496: int auth_afs_token(struct passwd * pw, const char *token_string);
1.1 deraadt 497:
1.44 markus 498: int creds_to_radix(CREDENTIALS * creds, unsigned char *buf, size_t buflen);
1.25 deraadt 499: int radix_to_creds(const char *buf, CREDENTIALS * creds);
500: #endif /* AFS */
1.1 deraadt 501:
1.25 deraadt 502: #endif /* KRB4 */
1.9 markus 503:
504: #ifdef SKEY
505: #include <skey.h>
1.25 deraadt 506: char *skey_fake_keyinfo(char *username);
1.28 markus 507: int auth_skey_password(struct passwd * pw, const char *password);
1.25 deraadt 508: #endif /* SKEY */
1.32 markus 509:
510: /* AF_UNSPEC or AF_INET or AF_INET6 */
511: extern int IPv4or6;
1.1 deraadt 512:
1.25 deraadt 513: #endif /* SSH_H */
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