xref: /freebsd/lib/libprocstat/libprocstat_compat.c (revision cab6a39d7b343596a5823e65c0f7b426551ec22d)
1 /*-
2  * Copyright (c) 2014 Gleb Kurtsou <gleb@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include <sys/param.h>
33 #include <sys/user.h>
34 #include <sys/socket.h>
35 #include <string.h>
36 
37 #include "libprocstat.h"
38 
39 #define	SPECNAMELEN_COMPAT12	63
40 
41 struct freebsd11_ptsstat {
42 	uint32_t	dev;
43 	char		devname[SPECNAMELEN_COMPAT12 + 1];
44 };
45 
46 struct freebsd11_vnstat {
47 	uint64_t	vn_fileid;
48 	uint64_t	vn_size;
49 	char		*vn_mntdir;
50 	uint32_t	vn_dev;
51 	uint32_t	vn_fsid;
52 	int		vn_type;
53 	uint16_t	vn_mode;
54 	char		vn_devname[SPECNAMELEN_COMPAT12 + 1];
55 };
56 struct freebsd11_semstat {
57 	uint32_t	value;
58 	uint16_t	mode;
59 };
60 struct freebsd11_shmstat {
61 	uint64_t	size;
62 	uint16_t	mode;
63 };
64 
65 struct freebsd11_sockstat {
66 	uint64_t	inp_ppcb;
67 	uint64_t	so_addr;
68 	uint64_t	so_pcb;
69 	uint64_t	unp_conn;
70 	int		dom_family;
71 	int		proto;
72 	int		so_rcv_sb_state;
73 	int		so_snd_sb_state;
74 	struct sockaddr_storage	sa_local;	/* Socket address. */
75 	struct sockaddr_storage	sa_peer;	/* Peer address. */
76 	int		type;
77 	char		dname[32];
78 };
79 
80 struct freebsd12_vnstat {
81 	uint64_t	vn_fileid;
82 	uint64_t	vn_size;
83 	uint64_t	vn_dev;
84 	uint64_t	vn_fsid;
85 	char		*vn_mntdir;
86 	int		vn_type;
87 	uint16_t	vn_mode;
88 	char		vn_devname[SPECNAMELEN_COMPAT12 + 1];
89 };
90 struct freebsd12_ptsstat {
91 	uint64_t	dev;
92 	char		devname[SPECNAMELEN_COMPAT12 + 1];
93 };
94 
95 int	freebsd11_procstat_get_pts_info(struct procstat *procstat,
96     struct filestat *fst, struct freebsd11_ptsstat *pts, char *errbuf);
97 int	freebsd12_procstat_get_pts_info(struct procstat *procstat,
98     struct filestat *fst, struct freebsd12_ptsstat *pts_compat, char *errbuf);
99 int	freebsd11_procstat_get_sem_info(struct procstat *procstat,
100     struct filestat *fst, struct freebsd11_semstat *sem, char *errbuf);
101 int	freebsd11_procstat_get_shm_info(struct procstat *procstat,
102     struct filestat *fst, struct freebsd11_shmstat *shm, char *errbuf);
103 int	freebsd11_procstat_get_socket_info(struct procstat *procstat,
104     struct filestat *fst, struct freebsd11_sockstat *sock, char *errbuf);
105 int	freebsd11_procstat_get_vnode_info(struct procstat *procstat,
106     struct filestat *fst, struct freebsd11_vnstat *vn, char *errbuf);
107 int	freebsd12_procstat_get_vnode_info(struct procstat *procstat,
108     struct filestat *fst, struct freebsd12_vnstat *vn_compat, char *errbuf);
109 
110 static const char trunc_name[] = "<TRUNCATED>";
111 
112 int
113 freebsd11_procstat_get_pts_info(struct procstat *procstat,
114     struct filestat *fst, struct freebsd11_ptsstat *pts_compat, char *errbuf)
115 {
116 	struct ptsstat pts;
117 	int r;
118 
119 	r = procstat_get_pts_info(procstat, fst, &pts, errbuf);
120 	if (r != 0)
121 		return (r);
122 	pts_compat->dev = pts.dev;
123 	if (strlen(pts.devname) >= sizeof(pts_compat->devname))
124 		strcpy(pts_compat->devname, trunc_name);
125 	else
126 		memcpy(pts_compat->devname, pts.devname,
127 		    sizeof(pts_compat->devname));
128 	return (0);
129 }
130 
131 int
132 freebsd12_procstat_get_pts_info(struct procstat *procstat,
133     struct filestat *fst, struct freebsd12_ptsstat *pts_compat, char *errbuf)
134 {
135 	struct ptsstat pts;
136 	int r;
137 
138 	r = procstat_get_pts_info(procstat, fst, &pts, errbuf);
139 	if (r != 0)
140 		return (r);
141 	pts_compat->dev = pts.dev;
142 	if (strlen(pts.devname) >= sizeof(pts_compat->devname))
143 		strcpy(pts_compat->devname, trunc_name);
144 	else
145 		memcpy(pts_compat->devname, pts.devname,
146 		    sizeof(pts_compat->devname));
147 	return (0);
148 }
149 
150 int
151 freebsd11_procstat_get_sem_info(struct procstat *procstat,
152     struct filestat *fst, struct freebsd11_semstat *sem_compat, char *errbuf)
153 {
154 	struct semstat sem;
155 	int r;
156 
157 	r = procstat_get_sem_info(procstat, fst, &sem, errbuf);
158 	if (r != 0)
159 		return (r);
160 	sem_compat->value = sem.value;
161 	sem_compat->mode = sem.mode;
162 	return (0);
163 }
164 
165 int
166 freebsd11_procstat_get_shm_info(struct procstat *procstat,
167     struct filestat *fst, struct freebsd11_shmstat *shm_compat, char *errbuf)
168 {
169 	struct shmstat shm;
170 	int r;
171 
172 	r = procstat_get_shm_info(procstat, fst, &shm, errbuf);
173 	if (r != 0)
174 		return (r);
175 	shm_compat->size = shm.size;
176 	shm_compat->mode = shm.mode;
177 	return (0);
178 }
179 
180 int
181 freebsd11_procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
182     struct freebsd11_sockstat *sock_compat, char *errbuf)
183 {
184 	struct sockstat sock;
185 	int r;
186 
187 	r = procstat_get_socket_info(procstat, fst, &sock, errbuf);
188 	if (r != 0)
189 		return (r);
190 	sock_compat->inp_ppcb = sock.inp_ppcb;
191 	sock_compat->so_addr = sock.so_addr;
192 	sock_compat->so_pcb = sock.so_pcb;
193 	sock_compat->unp_conn = sock.unp_conn;
194 	sock_compat->dom_family = sock.dom_family;
195 	sock_compat->proto = sock.proto;
196 	sock_compat->so_rcv_sb_state = sock.so_rcv_sb_state;
197 	sock_compat->so_snd_sb_state = sock.so_snd_sb_state;
198 	sock_compat->sa_local = sock.sa_local;
199 	sock_compat->sa_peer = sock.sa_peer;
200 	sock_compat->type = sock.type;
201 	memcpy(sock_compat->dname, sock.dname, sizeof(sock.dname));
202 	return (0);
203 }
204 
205 int
206 freebsd11_procstat_get_vnode_info(struct procstat *procstat,
207     struct filestat *fst, struct freebsd11_vnstat *vn_compat, char *errbuf)
208 {
209 	struct vnstat vn;
210 	int r;
211 
212 	r = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
213 	if (r != 0)
214 		return (r);
215 	vn_compat->vn_fileid = vn.vn_fileid;
216 	vn_compat->vn_size = vn.vn_size;
217 	vn_compat->vn_mntdir = vn.vn_mntdir;
218 	vn_compat->vn_dev = vn.vn_dev;
219 	vn_compat->vn_fsid = vn.vn_fsid;
220 	vn_compat->vn_type = vn.vn_type;
221 	vn_compat->vn_mode = vn.vn_mode;
222 	if (strlen(vn.vn_devname) >= sizeof(vn_compat->vn_devname))
223 		strcpy(vn_compat->vn_devname, trunc_name);
224 	else
225 		memcpy(vn_compat->vn_devname, vn.vn_devname,
226 		    sizeof(vn_compat->vn_devname));
227 	return (0);
228 }
229 
230 int
231 freebsd12_procstat_get_vnode_info(struct procstat *procstat,
232     struct filestat *fst, struct freebsd12_vnstat *vn_compat, char *errbuf)
233 {
234 	struct vnstat vn;
235 	int r;
236 
237 	r = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
238 	if (r != 0)
239 		return (r);
240 	vn_compat->vn_fileid = vn.vn_fileid;
241 	vn_compat->vn_size = vn.vn_size;
242 	vn_compat->vn_mntdir = vn.vn_mntdir;
243 	vn_compat->vn_dev = vn.vn_dev;
244 	vn_compat->vn_fsid = vn.vn_fsid;
245 	vn_compat->vn_type = vn.vn_type;
246 	vn_compat->vn_mode = vn.vn_mode;
247 	if (strlen(vn.vn_devname) >= sizeof(vn_compat->vn_devname))
248 		strcpy(vn_compat->vn_devname, trunc_name);
249 	else
250 		memcpy(vn_compat->vn_devname, vn.vn_devname,
251 		    sizeof(vn_compat->vn_devname));
252 	return (0);
253 }
254 
255 __sym_compat(procstat_get_pts_info, freebsd11_procstat_get_pts_info, FBSD_1.2);
256 __sym_compat(procstat_get_socket_info, freebsd11_procstat_get_socket_info,
257     FBSD_1.2);
258 __sym_compat(procstat_get_vnode_info, freebsd11_procstat_get_vnode_info,
259     FBSD_1.2);
260 __sym_compat(procstat_get_sem_info, freebsd11_procstat_get_sem_info, FBSD_1.3);
261 __sym_compat(procstat_get_shm_info, freebsd11_procstat_get_shm_info, FBSD_1.3);
262 __sym_compat(procstat_get_pts_info, freebsd12_procstat_get_pts_info, FBSD_1.5);
263 __sym_compat(procstat_get_vnode_info, freebsd12_procstat_get_vnode_info,
264     FBSD_1.5);
265