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d62a17ae | 1 | /* |
01245821 | 2 | * Zebra privileges header. |
3 | * | |
4 | * Copyright (C) 2003 Paul Jakma. | |
5 | * | |
6 | * This file is part of GNU Zebra. | |
7 | * | |
8 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
12 | * | |
13 | * GNU Zebra is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
896014f4 DL |
18 | * You should have received a copy of the GNU General Public License along |
19 | * with this program; see the file COPYING; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
01245821 | 21 | */ |
22 | ||
23 | #ifndef _ZEBRA_PRIVS_H | |
24 | #define _ZEBRA_PRIVS_H | |
25 | ||
26 | /* list of zebra capabilities */ | |
d62a17ae | 27 | typedef enum { |
28 | ZCAP_SETID, | |
29 | ZCAP_BIND, | |
30 | ZCAP_NET_ADMIN, | |
31 | ZCAP_SYS_ADMIN, | |
32 | ZCAP_NET_RAW, | |
33 | ZCAP_CHROOT, | |
34 | ZCAP_NICE, | |
35 | ZCAP_PTRACE, | |
36 | ZCAP_DAC_OVERRIDE, | |
37 | ZCAP_READ_SEARCH, | |
38 | ZCAP_FOWNER, | |
39 | ZCAP_MAX | |
01245821 | 40 | } zebra_capabilities_t; |
41 | ||
d62a17ae | 42 | typedef enum { |
43 | ZPRIVS_LOWERED, | |
44 | ZPRIVS_RAISED, | |
45 | ZPRIVS_UNKNOWN, | |
01245821 | 46 | } zebra_privs_current_t; |
47 | ||
d62a17ae | 48 | typedef enum { |
49 | ZPRIVS_RAISE, | |
50 | ZPRIVS_LOWER, | |
01245821 | 51 | } zebra_privs_ops_t; |
52 | ||
d62a17ae | 53 | struct zebra_privs_t { |
54 | zebra_capabilities_t *caps_p; /* caps required for operation */ | |
55 | zebra_capabilities_t *caps_i; /* caps to allow inheritance of */ | |
56 | int cap_num_p; /* number of caps in arrays */ | |
57 | int cap_num_i; | |
58 | const char *user; /* user and group to run as */ | |
59 | const char *group; | |
60 | const char *vty_group; /* group to chown vty socket to */ | |
61 | /* methods */ | |
62 | int (*change)(zebra_privs_ops_t); /* change privileges, 0 on success */ | |
63 | zebra_privs_current_t (*current_state)( | |
64 | void); /* current privilege state */ | |
01245821 | 65 | }; |
66 | ||
d62a17ae | 67 | struct zprivs_ids_t { |
68 | /* -1 is undefined */ | |
69 | uid_t uid_priv; /* privileged uid */ | |
70 | uid_t uid_normal; /* normal uid */ | |
71 | gid_t gid_priv; /* privileged uid */ | |
72 | gid_t gid_normal; /* normal uid */ | |
73 | gid_t gid_vty; /* vty gid */ | |
ba3a0bc5 | 74 | }; |
75 | ||
d62a17ae | 76 | /* initialise zebra privileges */ |
37a1f2fb | 77 | extern void zprivs_preinit(struct zebra_privs_t *zprivs); |
d62a17ae | 78 | extern void zprivs_init(struct zebra_privs_t *zprivs); |
79 | /* drop all and terminate privileges */ | |
80 | extern void zprivs_terminate(struct zebra_privs_t *); | |
81 | /* query for runtime uid's and gid's, eg vty needs this */ | |
8cc4198f | 82 | extern void zprivs_get_ids(struct zprivs_ids_t *); |
01245821 | 83 | |
84 | #endif /* _ZEBRA_PRIVS_H */ |