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01245821 | 1 | /* |
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 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
20 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
21 | * 02111-1307, USA. | |
22 | */ | |
23 | ||
24 | #ifndef _ZEBRA_PRIVS_H | |
25 | #define _ZEBRA_PRIVS_H | |
26 | ||
27 | /* list of zebra capabilities */ | |
28 | typedef enum | |
29 | { | |
ceacedba | 30 | ZCAP_SETID, |
01245821 | 31 | ZCAP_BIND, |
ceacedba | 32 | ZCAP_NET_ADMIN, |
8d6b00e4 | 33 | ZCAP_SYS_ADMIN, |
ceacedba | 34 | ZCAP_NET_RAW, |
01245821 | 35 | ZCAP_CHROOT, |
36 | ZCAP_NICE, | |
37 | ZCAP_PTRACE, | |
8d6b00e4 | 38 | ZCAP_DAC_OVERRIDE, |
39 | ZCAP_READ_SEARCH, | |
40 | ZCAP_FOWNER, | |
01245821 | 41 | ZCAP_MAX |
42 | } zebra_capabilities_t; | |
43 | ||
44 | typedef enum | |
45 | { | |
46 | ZPRIVS_LOWERED, | |
ceacedba | 47 | ZPRIVS_RAISED, |
48 | ZPRIVS_UNKNOWN, | |
01245821 | 49 | } zebra_privs_current_t; |
50 | ||
51 | typedef enum | |
52 | { | |
53 | ZPRIVS_RAISE, | |
54 | ZPRIVS_LOWER, | |
55 | } zebra_privs_ops_t; | |
56 | ||
57 | struct zebra_privs_t | |
58 | { | |
59 | zebra_capabilities_t *caps_p; /* caps required for operation */ | |
60 | zebra_capabilities_t *caps_i; /* caps to allow inheritance of */ | |
61 | int cap_num_p; /* number of caps in arrays */ | |
62 | int cap_num_i; | |
8c328f11 | 63 | const char *user; /* user and group to run as */ |
64 | const char *group; | |
65 | const char *vty_group; /* group to chown vty socket to */ | |
01245821 | 66 | /* methods */ |
67 | int | |
68 | (*change) (zebra_privs_ops_t); /* change privileges, 0 on success */ | |
69 | zebra_privs_current_t | |
70 | (*current_state) (void); /* current privilege state */ | |
71 | }; | |
72 | ||
ba3a0bc5 | 73 | struct zprivs_ids_t |
74 | { | |
75 | /* -1 is undefined */ | |
76 | uid_t uid_priv; /* privileged uid */ | |
77 | uid_t uid_normal; /* normal uid */ | |
78 | gid_t gid_priv; /* privileged uid */ | |
79 | gid_t gid_normal; /* normal uid */ | |
80 | gid_t gid_vty; /* vty gid */ | |
81 | }; | |
82 | ||
01245821 | 83 | /* initialise zebra privileges */ |
8cc4198f | 84 | extern void zprivs_init (struct zebra_privs_t *zprivs); |
01245821 | 85 | /* drop all and terminate privileges */ |
ceacedba | 86 | extern void zprivs_terminate (struct zebra_privs_t *); |
ba3a0bc5 | 87 | /* query for runtime uid's and gid's, eg vty needs this */ |
8cc4198f | 88 | extern void zprivs_get_ids(struct zprivs_ids_t *); |
01245821 | 89 | |
90 | #endif /* _ZEBRA_PRIVS_H */ |