xref: /dragonfly/contrib/dhcpcd/src/privsep-root.h (revision 2b3f93ea)
1 /* SPDX-License-Identifier: BSD-2-Clause */
2 /*
3  * Privilege Separation for dhcpcd
4  * Copyright (c) 2006-2023 Roy Marples <roy@marples.name>
5  * All rights reserved
6 
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef PRIVSEP_ROOT_H
30 #define PRIVSEP_ROOT_H
31 
32 #include "if.h"
33 
34 #if defined(PRIVSEP) && (defined(HAVE_CAPSICUM) || defined(__linux__))
35 #define PRIVSEP_GETIFADDRS
36 #endif
37 
38 pid_t ps_root_start(struct dhcpcd_ctx *ctx);
39 int ps_root_stop(struct dhcpcd_ctx *ctx);
40 void ps_root_signalcb(int, void *);
41 
42 ssize_t ps_root_readerror(struct dhcpcd_ctx *, void *, size_t);
43 ssize_t ps_root_mreaderror(struct dhcpcd_ctx *, void **, size_t *);
44 ssize_t ps_root_ioctl(struct dhcpcd_ctx *, ioctl_request_t, void *, size_t);
45 ssize_t ps_root_ip6forwarding(struct dhcpcd_ctx *, const char *);
46 ssize_t ps_root_unlink(struct dhcpcd_ctx *, const char *);
47 ssize_t ps_root_filemtime(struct dhcpcd_ctx *, const char *, time_t *);
48 ssize_t ps_root_readfile(struct dhcpcd_ctx *, const char *, void *, size_t);
49 ssize_t ps_root_writefile(struct dhcpcd_ctx *, const char *, mode_t,
50     const void *, size_t);
51 ssize_t ps_root_logreopen(struct dhcpcd_ctx *);
52 ssize_t ps_root_script(struct dhcpcd_ctx *, const void *, size_t);
53 ssize_t ps_root_stopprocesses(struct dhcpcd_ctx *);
54 int ps_root_getauthrdm(struct dhcpcd_ctx *, uint64_t *);
55 #ifdef PRIVSEP_GETIFADDRS
56 int ps_root_getifaddrs(struct dhcpcd_ctx *, struct ifaddrs **);
57 #endif
58 
59 ssize_t ps_root_os(struct dhcpcd_ctx *, struct ps_msghdr *, struct msghdr *,
60     void **, size_t *, bool *);
61 #if defined(BSD) || defined(__sun)
62 ssize_t ps_root_route(struct dhcpcd_ctx *, void *, size_t);
63 ssize_t ps_root_ioctllink(struct dhcpcd_ctx *, unsigned long, void *, size_t);
64 ssize_t ps_root_ioctl6(struct dhcpcd_ctx *, unsigned long, void *, size_t);
65 ssize_t ps_root_indirectioctl(struct dhcpcd_ctx *, unsigned long, const char *,
66     void *, size_t);
67 ssize_t ps_root_ifignoregroup(struct dhcpcd_ctx *, const char *);
68 ssize_t ps_root_sysctl(struct dhcpcd_ctx *, const int *, unsigned int,
69     void *, size_t *, const void *, size_t);
70 #endif
71 #ifdef __linux__
72 ssize_t ps_root_sendnetlink(struct dhcpcd_ctx *, int, struct msghdr *);
73 #endif
74 
75 #ifdef PLUGIN_DEV
76 int ps_root_dev_initialised(struct dhcpcd_ctx *, const char *);
77 int ps_root_dev_listening(struct dhcpcd_ctx *);
78 #endif
79 
80 #endif
81