Annotation of src/usr.bin/ssh/auth-options.h, Revision 1.26
1.26 ! djm 1: /* $OpenBSD: auth-options.h,v 1.25 2018/03/03 03:15:51 djm Exp $ */
1.11 stevesk 2:
1.2 deraadt 3: /*
1.25 djm 4: * Copyright (c) 2018 Damien Miller <djm@mindrot.org>
1.2 deraadt 5: *
1.25 djm 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.
9: *
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.
1.2 deraadt 17: */
1.5 djm 18:
1.1 markus 19: #ifndef AUTH_OPTIONS_H
20: #define AUTH_OPTIONS_H
1.8 markus 21:
1.24 djm 22: struct passwd;
23: struct sshkey;
24:
25: /*
26: * sshauthopt represents key options parsed from authorized_keys or
27: * from certificate extensions/options.
28: */
29: struct sshauthopt {
30: /* Feature flags */
31: int permit_port_forwarding_flag;
32: int permit_agent_forwarding_flag;
33: int permit_x11_forwarding_flag;
34: int permit_pty_flag;
35: int permit_user_rc;
36:
37: /* "restrict" keyword was invoked */
38: int restricted;
1.26 ! djm 39:
! 40: /* key/principal expiry date */
! 41: uint64_t valid_before;
1.24 djm 42:
43: /* Certificate-related options */
44: int cert_authority;
45: char *cert_principals;
46:
47: int force_tun_device;
48: char *force_command;
49:
50: /* Custom environment */
51: size_t nenv;
52: char **env;
53:
54: /* Permitted port forwardings */
55: size_t npermitopen;
56: char **permitopen;
57:
58: /*
59: * Permitted host/addresses (comma-separated)
60: * Caller must check source address matches both lists (if present).
61: */
62: char *required_from_host_cert;
63: char *required_from_host_keys;
64: };
65:
66: struct sshauthopt *sshauthopt_new(void);
67: struct sshauthopt *sshauthopt_new_with_keys_defaults(void);
68: void sshauthopt_free(struct sshauthopt *opts);
69: struct sshauthopt *sshauthopt_copy(const struct sshauthopt *orig);
70: int sshauthopt_serialise(const struct sshauthopt *opts, struct sshbuf *m, int);
71: int sshauthopt_deserialise(struct sshbuf *m, struct sshauthopt **opts);
72:
73: /*
74: * Parse authorized_keys options. Returns an options structure on success
75: * or NULL on failure. Will set errstr on failure.
76: */
77: struct sshauthopt *sshauthopt_parse(const char *s, const char **errstr);
78:
79: /*
80: * Parse certification options to a struct sshauthopt.
81: * Returns options on success or NULL on failure.
82: */
83: struct sshauthopt *sshauthopt_from_cert(struct sshkey *k);
84:
85: /*
86: * Merge key options.
87: */
88: struct sshauthopt *sshauthopt_merge(const struct sshauthopt *primary,
89: const struct sshauthopt *additional, const char **errstrp);
1.4 markus 90:
1.1 markus 91: #endif