1 /* $OpenBSD: auth-options.h,v 1.27 2018/06/06 18:23:32 djm Exp $ */
4 * Copyright (c) 2018 Damien Miller <djm@mindrot.org>
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 #ifndef AUTH_OPTIONS_H
20 #define AUTH_OPTIONS_H
26 * sshauthopt represents key options parsed from authorized_keys or
27 * from certificate extensions/options.
31 int permit_port_forwarding_flag;
32 int permit_agent_forwarding_flag;
33 int permit_x11_forwarding_flag;
37 /* "restrict" keyword was invoked */
40 /* key/principal expiry date */
41 uint64_t valid_before;
43 /* Certificate-related options */
45 char *cert_principals;
50 /* Custom environment */
54 /* Permitted port forwardings */
58 /* Permitted listens (remote forwarding) */
63 * Permitted host/addresses (comma-separated)
64 * Caller must check source address matches both lists (if present).
66 char *required_from_host_cert;
67 char *required_from_host_keys;
70 struct sshauthopt *sshauthopt_new(void);
71 struct sshauthopt *sshauthopt_new_with_keys_defaults(void);
72 void sshauthopt_free(struct sshauthopt *opts);
73 struct sshauthopt *sshauthopt_copy(const struct sshauthopt *orig);
74 int sshauthopt_serialise(const struct sshauthopt *opts, struct sshbuf *m, int);
75 int sshauthopt_deserialise(struct sshbuf *m, struct sshauthopt **opts);
78 * Parse authorized_keys options. Returns an options structure on success
79 * or NULL on failure. Will set errstr on failure.
81 struct sshauthopt *sshauthopt_parse(const char *s, const char **errstr);
84 * Parse certification options to a struct sshauthopt.
85 * Returns options on success or NULL on failure.
87 struct sshauthopt *sshauthopt_from_cert(struct sshkey *k);
92 struct sshauthopt *sshauthopt_merge(const struct sshauthopt *primary,
93 const struct sshauthopt *additional, const char **errstrp);