xref: /freebsd/lib/libprocstat/libprocstat_compat.c (revision b3e7694832e81d7a904a10f525f8797b753bf0d3)
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 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 #include <sys/user.h>
32 #include <sys/socket.h>
33 #include <string.h>
34 
35 #include "libprocstat.h"
36 
37 #define	SPECNAMELEN_COMPAT12	63
38 
39 struct freebsd11_ptsstat {
40 	uint32_t	dev;
41 	char		devname[SPECNAMELEN_COMPAT12 + 1];
42 };
43 
44 struct freebsd11_vnstat {
45 	uint64_t	vn_fileid;
46 	uint64_t	vn_size;
47 	char		*vn_mntdir;
48 	uint32_t	vn_dev;
49 	uint32_t	vn_fsid;
50 	int		vn_type;
51 	uint16_t	vn_mode;
52 	char		vn_devname[SPECNAMELEN_COMPAT12 + 1];
53 };
54 struct freebsd11_semstat {
55 	uint32_t	value;
56 	uint16_t	mode;
57 };
58 struct freebsd11_shmstat {
59 	uint64_t	size;
60 	uint16_t	mode;
61 };
62 
63 struct freebsd11_sockstat {
64 	uint64_t	inp_ppcb;
65 	uint64_t	so_addr;
66 	uint64_t	so_pcb;
67 	uint64_t	unp_conn;
68 	int		dom_family;
69 	int		proto;
70 	int		so_rcv_sb_state;
71 	int		so_snd_sb_state;
72 	struct sockaddr_storage	sa_local;	/* Socket address. */
73 	struct sockaddr_storage	sa_peer;	/* Peer address. */
74 	int		type;
75 	char		dname[32];
76 };
77 
78 struct freebsd12_vnstat {
79 	uint64_t	vn_fileid;
80 	uint64_t	vn_size;
81 	uint64_t	vn_dev;
82 	uint64_t	vn_fsid;
83 	char		*vn_mntdir;
84 	int		vn_type;
85 	uint16_t	vn_mode;
86 	char		vn_devname[SPECNAMELEN_COMPAT12 + 1];
87 };
88 struct freebsd12_ptsstat {
89 	uint64_t	dev;
90 	char		devname[SPECNAMELEN_COMPAT12 + 1];
91 };
92 
93 int	freebsd11_procstat_get_pts_info(struct procstat *procstat,
94     struct filestat *fst, struct freebsd11_ptsstat *pts, char *errbuf);
95 int	freebsd12_procstat_get_pts_info(struct procstat *procstat,
96     struct filestat *fst, struct freebsd12_ptsstat *pts_compat, char *errbuf);
97 int	freebsd11_procstat_get_sem_info(struct procstat *procstat,
98     struct filestat *fst, struct freebsd11_semstat *sem, char *errbuf);
99 int	freebsd11_procstat_get_shm_info(struct procstat *procstat,
100     struct filestat *fst, struct freebsd11_shmstat *shm, char *errbuf);
101 int	freebsd11_procstat_get_socket_info(struct procstat *procstat,
102     struct filestat *fst, struct freebsd11_sockstat *sock, char *errbuf);
103 int	freebsd11_procstat_get_vnode_info(struct procstat *procstat,
104     struct filestat *fst, struct freebsd11_vnstat *vn, char *errbuf);
105 int	freebsd12_procstat_get_vnode_info(struct procstat *procstat,
106     struct filestat *fst, struct freebsd12_vnstat *vn_compat, char *errbuf);
107 
108 static const char trunc_name[] = "<TRUNCATED>";
109 
110 int
111 freebsd11_procstat_get_pts_info(struct procstat *procstat,
112     struct filestat *fst, struct freebsd11_ptsstat *pts_compat, char *errbuf)
113 {
114 	struct ptsstat pts;
115 	int r;
116 
117 	r = procstat_get_pts_info(procstat, fst, &pts, errbuf);
118 	if (r != 0)
119 		return (r);
120 	pts_compat->dev = pts.dev;
121 	if (strlen(pts.devname) >= sizeof(pts_compat->devname))
122 		strcpy(pts_compat->devname, trunc_name);
123 	else
124 		memcpy(pts_compat->devname, pts.devname,
125 		    sizeof(pts_compat->devname));
126 	return (0);
127 }
128 
129 int
130 freebsd12_procstat_get_pts_info(struct procstat *procstat,
131     struct filestat *fst, struct freebsd12_ptsstat *pts_compat, char *errbuf)
132 {
133 	struct ptsstat pts;
134 	int r;
135 
136 	r = procstat_get_pts_info(procstat, fst, &pts, errbuf);
137 	if (r != 0)
138 		return (r);
139 	pts_compat->dev = pts.dev;
140 	if (strlen(pts.devname) >= sizeof(pts_compat->devname))
141 		strcpy(pts_compat->devname, trunc_name);
142 	else
143 		memcpy(pts_compat->devname, pts.devname,
144 		    sizeof(pts_compat->devname));
145 	return (0);
146 }
147 
148 int
149 freebsd11_procstat_get_sem_info(struct procstat *procstat,
150     struct filestat *fst, struct freebsd11_semstat *sem_compat, char *errbuf)
151 {
152 	struct semstat sem;
153 	int r;
154 
155 	r = procstat_get_sem_info(procstat, fst, &sem, errbuf);
156 	if (r != 0)
157 		return (r);
158 	sem_compat->value = sem.value;
159 	sem_compat->mode = sem.mode;
160 	return (0);
161 }
162 
163 int
164 freebsd11_procstat_get_shm_info(struct procstat *procstat,
165     struct filestat *fst, struct freebsd11_shmstat *shm_compat, char *errbuf)
166 {
167 	struct shmstat shm;
168 	int r;
169 
170 	r = procstat_get_shm_info(procstat, fst, &shm, errbuf);
171 	if (r != 0)
172 		return (r);
173 	shm_compat->size = shm.size;
174 	shm_compat->mode = shm.mode;
175 	return (0);
176 }
177 
178 int
179 freebsd11_procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
180     struct freebsd11_sockstat *sock_compat, char *errbuf)
181 {
182 	struct sockstat sock;
183 	int r;
184 
185 	r = procstat_get_socket_info(procstat, fst, &sock, errbuf);
186 	if (r != 0)
187 		return (r);
188 	sock_compat->inp_ppcb = sock.inp_ppcb;
189 	sock_compat->so_addr = sock.so_addr;
190 	sock_compat->so_pcb = sock.so_pcb;
191 	sock_compat->unp_conn = sock.unp_conn;
192 	sock_compat->dom_family = sock.dom_family;
193 	sock_compat->proto = sock.proto;
194 	sock_compat->so_rcv_sb_state = sock.so_rcv_sb_state;
195 	sock_compat->so_snd_sb_state = sock.so_snd_sb_state;
196 	sock_compat->sa_local = sock.sa_local;
197 	sock_compat->sa_peer = sock.sa_peer;
198 	sock_compat->type = sock.type;
199 	memcpy(sock_compat->dname, sock.dname, sizeof(sock.dname));
200 	return (0);
201 }
202 
203 int
204 freebsd11_procstat_get_vnode_info(struct procstat *procstat,
205     struct filestat *fst, struct freebsd11_vnstat *vn_compat, char *errbuf)
206 {
207 	struct vnstat vn;
208 	int r;
209 
210 	r = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
211 	if (r != 0)
212 		return (r);
213 	vn_compat->vn_fileid = vn.vn_fileid;
214 	vn_compat->vn_size = vn.vn_size;
215 	vn_compat->vn_mntdir = vn.vn_mntdir;
216 	vn_compat->vn_dev = vn.vn_dev;
217 	vn_compat->vn_fsid = vn.vn_fsid;
218 	vn_compat->vn_type = vn.vn_type;
219 	vn_compat->vn_mode = vn.vn_mode;
220 	if (strlen(vn.vn_devname) >= sizeof(vn_compat->vn_devname))
221 		strcpy(vn_compat->vn_devname, trunc_name);
222 	else
223 		memcpy(vn_compat->vn_devname, vn.vn_devname,
224 		    sizeof(vn_compat->vn_devname));
225 	return (0);
226 }
227 
228 int
229 freebsd12_procstat_get_vnode_info(struct procstat *procstat,
230     struct filestat *fst, struct freebsd12_vnstat *vn_compat, char *errbuf)
231 {
232 	struct vnstat vn;
233 	int r;
234 
235 	r = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
236 	if (r != 0)
237 		return (r);
238 	vn_compat->vn_fileid = vn.vn_fileid;
239 	vn_compat->vn_size = vn.vn_size;
240 	vn_compat->vn_mntdir = vn.vn_mntdir;
241 	vn_compat->vn_dev = vn.vn_dev;
242 	vn_compat->vn_fsid = vn.vn_fsid;
243 	vn_compat->vn_type = vn.vn_type;
244 	vn_compat->vn_mode = vn.vn_mode;
245 	if (strlen(vn.vn_devname) >= sizeof(vn_compat->vn_devname))
246 		strcpy(vn_compat->vn_devname, trunc_name);
247 	else
248 		memcpy(vn_compat->vn_devname, vn.vn_devname,
249 		    sizeof(vn_compat->vn_devname));
250 	return (0);
251 }
252 
253 __sym_compat(procstat_get_pts_info, freebsd11_procstat_get_pts_info, FBSD_1.2);
254 __sym_compat(procstat_get_socket_info, freebsd11_procstat_get_socket_info,
255     FBSD_1.2);
256 __sym_compat(procstat_get_vnode_info, freebsd11_procstat_get_vnode_info,
257     FBSD_1.2);
258 __sym_compat(procstat_get_sem_info, freebsd11_procstat_get_sem_info, FBSD_1.3);
259 __sym_compat(procstat_get_shm_info, freebsd11_procstat_get_shm_info, FBSD_1.3);
260 __sym_compat(procstat_get_pts_info, freebsd12_procstat_get_pts_info, FBSD_1.5);
261 __sym_compat(procstat_get_vnode_info, freebsd12_procstat_get_vnode_info,
262     FBSD_1.5);
263