xref: /freebsd/lib/libprocstat/libprocstat_compat.c (revision 22cf89c938886d14f5796fc49f9f020c23ea8eaf)
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 #include <sys/param.h>
29 #include <sys/user.h>
30 #include <sys/socket.h>
31 #include <string.h>
32 
33 #include "libprocstat.h"
34 
35 #define	SPECNAMELEN_COMPAT12	63
36 
37 struct freebsd11_ptsstat {
38 	uint32_t	dev;
39 	char		devname[SPECNAMELEN_COMPAT12 + 1];
40 };
41 
42 struct freebsd11_vnstat {
43 	uint64_t	vn_fileid;
44 	uint64_t	vn_size;
45 	char		*vn_mntdir;
46 	uint32_t	vn_dev;
47 	uint32_t	vn_fsid;
48 	int		vn_type;
49 	uint16_t	vn_mode;
50 	char		vn_devname[SPECNAMELEN_COMPAT12 + 1];
51 };
52 struct freebsd11_semstat {
53 	uint32_t	value;
54 	uint16_t	mode;
55 };
56 struct freebsd11_shmstat {
57 	uint64_t	size;
58 	uint16_t	mode;
59 };
60 
61 struct freebsd11_sockstat {
62 	uint64_t	inp_ppcb;
63 	uint64_t	so_addr;
64 	uint64_t	so_pcb;
65 	uint64_t	unp_conn;
66 	int		dom_family;
67 	int		proto;
68 	int		so_rcv_sb_state;
69 	int		so_snd_sb_state;
70 	struct sockaddr_storage	sa_local;	/* Socket address. */
71 	struct sockaddr_storage	sa_peer;	/* Peer address. */
72 	int		type;
73 	char		dname[32];
74 };
75 
76 struct freebsd12_vnstat {
77 	uint64_t	vn_fileid;
78 	uint64_t	vn_size;
79 	uint64_t	vn_dev;
80 	uint64_t	vn_fsid;
81 	char		*vn_mntdir;
82 	int		vn_type;
83 	uint16_t	vn_mode;
84 	char		vn_devname[SPECNAMELEN_COMPAT12 + 1];
85 };
86 struct freebsd12_ptsstat {
87 	uint64_t	dev;
88 	char		devname[SPECNAMELEN_COMPAT12 + 1];
89 };
90 
91 int	freebsd11_procstat_get_pts_info(struct procstat *procstat,
92     struct filestat *fst, struct freebsd11_ptsstat *pts, char *errbuf);
93 int	freebsd12_procstat_get_pts_info(struct procstat *procstat,
94     struct filestat *fst, struct freebsd12_ptsstat *pts_compat, char *errbuf);
95 int	freebsd11_procstat_get_sem_info(struct procstat *procstat,
96     struct filestat *fst, struct freebsd11_semstat *sem, char *errbuf);
97 int	freebsd11_procstat_get_shm_info(struct procstat *procstat,
98     struct filestat *fst, struct freebsd11_shmstat *shm, char *errbuf);
99 int	freebsd11_procstat_get_socket_info(struct procstat *procstat,
100     struct filestat *fst, struct freebsd11_sockstat *sock, char *errbuf);
101 int	freebsd11_procstat_get_vnode_info(struct procstat *procstat,
102     struct filestat *fst, struct freebsd11_vnstat *vn, char *errbuf);
103 int	freebsd12_procstat_get_vnode_info(struct procstat *procstat,
104     struct filestat *fst, struct freebsd12_vnstat *vn_compat, char *errbuf);
105 
106 static const char trunc_name[] = "<TRUNCATED>";
107 
108 int
109 freebsd11_procstat_get_pts_info(struct procstat *procstat,
110     struct filestat *fst, struct freebsd11_ptsstat *pts_compat, char *errbuf)
111 {
112 	struct ptsstat pts;
113 	int r;
114 
115 	r = procstat_get_pts_info(procstat, fst, &pts, errbuf);
116 	if (r != 0)
117 		return (r);
118 	pts_compat->dev = pts.dev;
119 	if (strlen(pts.devname) >= sizeof(pts_compat->devname))
120 		strcpy(pts_compat->devname, trunc_name);
121 	else
122 		memcpy(pts_compat->devname, pts.devname,
123 		    sizeof(pts_compat->devname));
124 	return (0);
125 }
126 
127 int
128 freebsd12_procstat_get_pts_info(struct procstat *procstat,
129     struct filestat *fst, struct freebsd12_ptsstat *pts_compat, char *errbuf)
130 {
131 	struct ptsstat pts;
132 	int r;
133 
134 	r = procstat_get_pts_info(procstat, fst, &pts, errbuf);
135 	if (r != 0)
136 		return (r);
137 	pts_compat->dev = pts.dev;
138 	if (strlen(pts.devname) >= sizeof(pts_compat->devname))
139 		strcpy(pts_compat->devname, trunc_name);
140 	else
141 		memcpy(pts_compat->devname, pts.devname,
142 		    sizeof(pts_compat->devname));
143 	return (0);
144 }
145 
146 int
147 freebsd11_procstat_get_sem_info(struct procstat *procstat,
148     struct filestat *fst, struct freebsd11_semstat *sem_compat, char *errbuf)
149 {
150 	struct semstat sem;
151 	int r;
152 
153 	r = procstat_get_sem_info(procstat, fst, &sem, errbuf);
154 	if (r != 0)
155 		return (r);
156 	sem_compat->value = sem.value;
157 	sem_compat->mode = sem.mode;
158 	return (0);
159 }
160 
161 int
162 freebsd11_procstat_get_shm_info(struct procstat *procstat,
163     struct filestat *fst, struct freebsd11_shmstat *shm_compat, char *errbuf)
164 {
165 	struct shmstat shm;
166 	int r;
167 
168 	r = procstat_get_shm_info(procstat, fst, &shm, errbuf);
169 	if (r != 0)
170 		return (r);
171 	shm_compat->size = shm.size;
172 	shm_compat->mode = shm.mode;
173 	return (0);
174 }
175 
176 int
177 freebsd11_procstat_get_socket_info(struct procstat *procstat, struct filestat *fst,
178     struct freebsd11_sockstat *sock_compat, char *errbuf)
179 {
180 	struct sockstat sock;
181 	int r;
182 
183 	r = procstat_get_socket_info(procstat, fst, &sock, errbuf);
184 	if (r != 0)
185 		return (r);
186 	sock_compat->inp_ppcb = sock.inp_ppcb;
187 	sock_compat->so_addr = sock.so_addr;
188 	sock_compat->so_pcb = sock.so_pcb;
189 	sock_compat->unp_conn = sock.unp_conn;
190 	sock_compat->dom_family = sock.dom_family;
191 	sock_compat->proto = sock.proto;
192 	sock_compat->so_rcv_sb_state = sock.so_rcv_sb_state;
193 	sock_compat->so_snd_sb_state = sock.so_snd_sb_state;
194 	sock_compat->sa_local = sock.sa_local;
195 	sock_compat->sa_peer = sock.sa_peer;
196 	sock_compat->type = sock.type;
197 	memcpy(sock_compat->dname, sock.dname, sizeof(sock.dname));
198 	return (0);
199 }
200 
201 int
202 freebsd11_procstat_get_vnode_info(struct procstat *procstat,
203     struct filestat *fst, struct freebsd11_vnstat *vn_compat, char *errbuf)
204 {
205 	struct vnstat vn;
206 	int r;
207 
208 	r = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
209 	if (r != 0)
210 		return (r);
211 	vn_compat->vn_fileid = vn.vn_fileid;
212 	vn_compat->vn_size = vn.vn_size;
213 	vn_compat->vn_mntdir = vn.vn_mntdir;
214 	vn_compat->vn_dev = vn.vn_dev;
215 	vn_compat->vn_fsid = vn.vn_fsid;
216 	vn_compat->vn_type = vn.vn_type;
217 	vn_compat->vn_mode = vn.vn_mode;
218 	if (strlen(vn.vn_devname) >= sizeof(vn_compat->vn_devname))
219 		strcpy(vn_compat->vn_devname, trunc_name);
220 	else
221 		memcpy(vn_compat->vn_devname, vn.vn_devname,
222 		    sizeof(vn_compat->vn_devname));
223 	return (0);
224 }
225 
226 int
227 freebsd12_procstat_get_vnode_info(struct procstat *procstat,
228     struct filestat *fst, struct freebsd12_vnstat *vn_compat, char *errbuf)
229 {
230 	struct vnstat vn;
231 	int r;
232 
233 	r = procstat_get_vnode_info(procstat, fst, &vn, errbuf);
234 	if (r != 0)
235 		return (r);
236 	vn_compat->vn_fileid = vn.vn_fileid;
237 	vn_compat->vn_size = vn.vn_size;
238 	vn_compat->vn_mntdir = vn.vn_mntdir;
239 	vn_compat->vn_dev = vn.vn_dev;
240 	vn_compat->vn_fsid = vn.vn_fsid;
241 	vn_compat->vn_type = vn.vn_type;
242 	vn_compat->vn_mode = vn.vn_mode;
243 	if (strlen(vn.vn_devname) >= sizeof(vn_compat->vn_devname))
244 		strcpy(vn_compat->vn_devname, trunc_name);
245 	else
246 		memcpy(vn_compat->vn_devname, vn.vn_devname,
247 		    sizeof(vn_compat->vn_devname));
248 	return (0);
249 }
250 
251 __sym_compat(procstat_get_pts_info, freebsd11_procstat_get_pts_info, FBSD_1.2);
252 __sym_compat(procstat_get_socket_info, freebsd11_procstat_get_socket_info,
253     FBSD_1.2);
254 __sym_compat(procstat_get_vnode_info, freebsd11_procstat_get_vnode_info,
255     FBSD_1.2);
256 __sym_compat(procstat_get_sem_info, freebsd11_procstat_get_sem_info, FBSD_1.3);
257 __sym_compat(procstat_get_shm_info, freebsd11_procstat_get_shm_info, FBSD_1.3);
258 __sym_compat(procstat_get_pts_info, freebsd12_procstat_get_pts_info, FBSD_1.5);
259 __sym_compat(procstat_get_vnode_info, freebsd12_procstat_get_vnode_info,
260     FBSD_1.5);
261