Deleted Added
full compact
fstat.c (69896) fstat.c (72527)
1/*-
2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. 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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static const char copyright[] =
36"@(#) Copyright (c) 1988, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41#if 0
42static char sccsid[] = "@(#)fstat.c 8.3 (Berkeley) 5/2/95";
43#endif
44static const char rcsid[] =
1/*-
2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. 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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static const char copyright[] =
36"@(#) Copyright (c) 1988, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41#if 0
42static char sccsid[] = "@(#)fstat.c 8.3 (Berkeley) 5/2/95";
43#endif
44static const char rcsid[] =
45 "$FreeBSD: head/usr.bin/fstat/fstat.c 69896 2000-12-12 07:25:57Z mckusick $";
45 "$FreeBSD: head/usr.bin/fstat/fstat.c 72527 2001-02-15 22:42:44Z iedowse $";
46#endif /* not lint */
47
48#include <sys/param.h>
49#include <sys/time.h>
50#include <sys/proc.h>
51#include <sys/user.h>
52#include <sys/stat.h>
53#include <sys/vnode.h>
54#include <sys/socket.h>
55#include <sys/socketvar.h>
56#include <sys/domain.h>
57#include <sys/protosw.h>
58#include <sys/un.h>
59#include <sys/unpcb.h>
60#include <sys/sysctl.h>
61#include <sys/filedesc.h>
62#include <sys/queue.h>
63#include <sys/pipe.h>
64#include <sys/conf.h>
65#define _KERNEL
66#include <sys/file.h>
67#include <ufs/ufs/quota.h>
68#include <ufs/ufs/inode.h>
69#include <sys/mount.h>
70#undef _KERNEL
71#include <nfs/nfsproto.h>
72#include <nfs/rpcv2.h>
73#include <nfs/nfs.h>
74#include <nfs/nfsnode.h>
75
76
77#include <vm/vm.h>
78#include <vm/vm_map.h>
79#include <vm/vm_object.h>
80
81#include <net/route.h>
82#include <netinet/in.h>
83#include <netinet/in_systm.h>
84#include <netinet/ip.h>
85#include <netinet/in_pcb.h>
86
87#include <ctype.h>
88#include <err.h>
89#include <fcntl.h>
90#include <kvm.h>
91#include <limits.h>
92#include <nlist.h>
93#include <paths.h>
94#include <pwd.h>
95#include <stdio.h>
96#include <stdlib.h>
97#include <string.h>
98#include <unistd.h>
99#include <netdb.h>
100
101#include "fstat.h"
102
103#define TEXT -1
104#define CDIR -2
105#define RDIR -3
106#define TRACE -4
107#define MMAP -5
108
109DEVS *devs;
110
111#ifdef notdef
112struct nlist nl[] = {
113 { "" },
114};
115#endif
116
117int fsflg, /* show files on same filesystem as file(s) argument */
118 pflg, /* show files open by a particular pid */
119 uflg; /* show files open by a particular (effective) user */
120int checkfile; /* true if restricting to particular files or filesystems */
121int nflg; /* (numerical) display f.s. and rdev as dev_t */
122int vflg; /* display errors in locating kernel data objects etc... */
123int mflg; /* include memory-mapped files */
124
125
126struct file **ofiles; /* buffer of pointers to file structures */
127int maxfiles;
128#define ALLOC_OFILES(d) \
129 if ((d) > maxfiles) { \
130 free(ofiles); \
131 ofiles = malloc((d) * sizeof(struct file *)); \
132 if (ofiles == NULL) { \
133 err(1, NULL); \
134 } \
135 maxfiles = (d); \
136 }
137
138kvm_t *kd;
139
140void dofiles __P((struct kinfo_proc *kp));
141void dommap __P((struct kinfo_proc *kp));
142void vtrans __P((struct vnode *vp, int i, int flag));
143int ufs_filestat __P((struct vnode *vp, struct filestat *fsp));
144int nfs_filestat __P((struct vnode *vp, struct filestat *fsp));
145char *getmnton __P((struct mount *m));
146void pipetrans __P((struct pipe *pi, int i, int flag));
147void socktrans __P((struct socket *sock, int i));
148void getinetproto __P((int number));
149int getfname __P((char *filename));
150void usage __P((void));
151
152
153int
154main(argc, argv)
155 int argc;
156 char **argv;
157{
158 register struct passwd *passwd;
159 struct kinfo_proc *p, *plast;
160 int arg, ch, what;
161 char *memf, *nlistf;
162 char buf[_POSIX2_LINE_MAX];
163 int cnt;
164
165 arg = 0;
166 what = KERN_PROC_ALL;
167 nlistf = memf = NULL;
168 while ((ch = getopt(argc, argv, "fmnp:u:vN:M:")) != -1)
169 switch((char)ch) {
170 case 'f':
171 fsflg = 1;
172 break;
173 case 'M':
174 memf = optarg;
175 break;
176 case 'N':
177 nlistf = optarg;
178 break;
179 case 'm':
180 mflg = 1;
181 break;
182 case 'n':
183 nflg = 1;
184 break;
185 case 'p':
186 if (pflg++)
187 usage();
188 if (!isdigit(*optarg)) {
189 warnx("-p requires a process id");
190 usage();
191 }
192 what = KERN_PROC_PID;
193 arg = atoi(optarg);
194 break;
195 case 'u':
196 if (uflg++)
197 usage();
198 if (!(passwd = getpwnam(optarg)))
199 errx(1, "%s: unknown uid", optarg);
200 what = KERN_PROC_UID;
201 arg = passwd->pw_uid;
202 break;
203 case 'v':
204 vflg = 1;
205 break;
206 case '?':
207 default:
208 usage();
209 }
210
211 if (*(argv += optind)) {
212 for (; *argv; ++argv) {
213 if (getfname(*argv))
214 checkfile = 1;
215 }
216 if (!checkfile) /* file(s) specified, but none accessable */
217 exit(1);
218 }
219
220 ALLOC_OFILES(256); /* reserve space for file pointers */
221
222 if (fsflg && !checkfile) {
223 /* -f with no files means use wd */
224 if (getfname(".") == 0)
225 exit(1);
226 checkfile = 1;
227 }
228
229 /*
230 * Discard setgid privileges if not the running kernel so that bad
231 * guys can't print interesting stuff from kernel memory.
232 */
233 if (nlistf != NULL || memf != NULL)
234 setgid(getgid());
235
236 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL)
237 errx(1, "%s", buf);
238#ifdef notdef
239 if (kvm_nlist(kd, nl) != 0)
240 errx(1, "no namelist: %s", kvm_geterr(kd));
241#endif
242 if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL)
243 errx(1, "%s", kvm_geterr(kd));
244 if (nflg)
245 printf("%s",
246"USER CMD PID FD DEV INUM MODE SZ|DV R/W");
247 else
248 printf("%s",
249"USER CMD PID FD MOUNT INUM MODE SZ|DV R/W");
250 if (checkfile && fsflg == 0)
251 printf(" NAME\n");
252 else
253 putchar('\n');
254
255 for (plast = &p[cnt]; p < plast; ++p) {
256 if (p->ki_stat == SZOMB)
257 continue;
258 dofiles(p);
259 if (mflg)
260 dommap(p);
261 }
262 exit(0);
263}
264
265char *Uname, *Comm;
266int Pid;
267
268#define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \
269 switch(i) { \
270 case TEXT: \
271 printf(" text"); \
272 break; \
273 case CDIR: \
274 printf(" wd"); \
275 break; \
276 case RDIR: \
277 printf(" root"); \
278 break; \
279 case TRACE: \
280 printf(" tr"); \
281 break; \
282 case MMAP: \
283 printf(" mmap"); \
284 break; \
285 default: \
286 printf(" %4d", i); \
287 break; \
288 }
289
290/*
291 * print open files attributed to this process
292 */
293void
294dofiles(kp)
295 struct kinfo_proc *kp;
296{
297 int i;
298 struct file file;
299 struct filedesc0 filed0;
300#define filed filed0.fd_fd
301
302 Uname = user_from_uid(kp->ki_uid, 0);
303 Pid = kp->ki_pid;
304 Comm = kp->ki_comm;
305
306 if (kp->ki_fd == NULL)
307 return;
308 if (!KVM_READ(kp->ki_fd, &filed0, sizeof (filed0))) {
309 dprintf(stderr, "can't read filedesc at %p for pid %d\n",
310 (void *)kp->ki_fd, Pid);
311 return;
312 }
313 /*
314 * root directory vnode, if one
315 */
316 if (filed.fd_rdir)
317 vtrans(filed.fd_rdir, RDIR, FREAD);
318 /*
319 * current working directory vnode
320 */
321 vtrans(filed.fd_cdir, CDIR, FREAD);
322 /*
323 * ktrace vnode, if one
324 */
325 if (kp->ki_tracep)
326 vtrans(kp->ki_tracep, TRACE, FREAD|FWRITE);
327 /*
328 * text vnode, if one
329 */
330 if (kp->ki_textvp)
331 vtrans(kp->ki_textvp, TEXT, FREAD);
332 /*
333 * open files
334 */
335#define FPSIZE (sizeof (struct file *))
336 ALLOC_OFILES(filed.fd_lastfile+1);
337 if (filed.fd_nfiles > NDFILE) {
338 if (!KVM_READ(filed.fd_ofiles, ofiles,
339 (filed.fd_lastfile+1) * FPSIZE)) {
340 dprintf(stderr,
341 "can't read file structures at %p for pid %d\n",
342 (void *)filed.fd_ofiles, Pid);
343 return;
344 }
345 } else
346 bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE);
347 for (i = 0; i <= filed.fd_lastfile; i++) {
348 if (ofiles[i] == NULL)
349 continue;
350 if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) {
351 dprintf(stderr, "can't read file %d at %p for pid %d\n",
352 i, (void *)ofiles[i], Pid);
353 continue;
354 }
355 if (file.f_type == DTYPE_VNODE)
356 vtrans((struct vnode *)file.f_data, i, file.f_flag);
357 else if (file.f_type == DTYPE_SOCKET) {
358 if (checkfile == 0)
359 socktrans((struct socket *)file.f_data, i);
360 }
361#ifdef DTYPE_PIPE
362 else if (file.f_type == DTYPE_PIPE) {
363 if (checkfile == 0)
364 pipetrans((struct pipe *)file.f_data, i,
365 file.f_flag);
366 }
367#endif
368 else {
369 dprintf(stderr,
370 "unknown file type %d for file %d of pid %d\n",
371 file.f_type, i, Pid);
372 }
373 }
374}
375
376void
377dommap(kp)
378 struct kinfo_proc *kp;
379{
380 vm_map_t map;
381 struct vmspace vmspace;
382 struct vm_map_entry entry;
383 vm_map_entry_t entryp;
384 struct vm_object object;
385 vm_object_t objp;
386 int prot, fflags;
387
388 if (!KVM_READ(kp->ki_vmspace, &vmspace, sizeof(vmspace))) {
389 dprintf(stderr,
390 "can't read vmspace at %p for pid %d\n",
391 (void *)kp->ki_vmspace, Pid);
392 return;
393 }
394 map = &vmspace.vm_map;
395
46#endif /* not lint */
47
48#include <sys/param.h>
49#include <sys/time.h>
50#include <sys/proc.h>
51#include <sys/user.h>
52#include <sys/stat.h>
53#include <sys/vnode.h>
54#include <sys/socket.h>
55#include <sys/socketvar.h>
56#include <sys/domain.h>
57#include <sys/protosw.h>
58#include <sys/un.h>
59#include <sys/unpcb.h>
60#include <sys/sysctl.h>
61#include <sys/filedesc.h>
62#include <sys/queue.h>
63#include <sys/pipe.h>
64#include <sys/conf.h>
65#define _KERNEL
66#include <sys/file.h>
67#include <ufs/ufs/quota.h>
68#include <ufs/ufs/inode.h>
69#include <sys/mount.h>
70#undef _KERNEL
71#include <nfs/nfsproto.h>
72#include <nfs/rpcv2.h>
73#include <nfs/nfs.h>
74#include <nfs/nfsnode.h>
75
76
77#include <vm/vm.h>
78#include <vm/vm_map.h>
79#include <vm/vm_object.h>
80
81#include <net/route.h>
82#include <netinet/in.h>
83#include <netinet/in_systm.h>
84#include <netinet/ip.h>
85#include <netinet/in_pcb.h>
86
87#include <ctype.h>
88#include <err.h>
89#include <fcntl.h>
90#include <kvm.h>
91#include <limits.h>
92#include <nlist.h>
93#include <paths.h>
94#include <pwd.h>
95#include <stdio.h>
96#include <stdlib.h>
97#include <string.h>
98#include <unistd.h>
99#include <netdb.h>
100
101#include "fstat.h"
102
103#define TEXT -1
104#define CDIR -2
105#define RDIR -3
106#define TRACE -4
107#define MMAP -5
108
109DEVS *devs;
110
111#ifdef notdef
112struct nlist nl[] = {
113 { "" },
114};
115#endif
116
117int fsflg, /* show files on same filesystem as file(s) argument */
118 pflg, /* show files open by a particular pid */
119 uflg; /* show files open by a particular (effective) user */
120int checkfile; /* true if restricting to particular files or filesystems */
121int nflg; /* (numerical) display f.s. and rdev as dev_t */
122int vflg; /* display errors in locating kernel data objects etc... */
123int mflg; /* include memory-mapped files */
124
125
126struct file **ofiles; /* buffer of pointers to file structures */
127int maxfiles;
128#define ALLOC_OFILES(d) \
129 if ((d) > maxfiles) { \
130 free(ofiles); \
131 ofiles = malloc((d) * sizeof(struct file *)); \
132 if (ofiles == NULL) { \
133 err(1, NULL); \
134 } \
135 maxfiles = (d); \
136 }
137
138kvm_t *kd;
139
140void dofiles __P((struct kinfo_proc *kp));
141void dommap __P((struct kinfo_proc *kp));
142void vtrans __P((struct vnode *vp, int i, int flag));
143int ufs_filestat __P((struct vnode *vp, struct filestat *fsp));
144int nfs_filestat __P((struct vnode *vp, struct filestat *fsp));
145char *getmnton __P((struct mount *m));
146void pipetrans __P((struct pipe *pi, int i, int flag));
147void socktrans __P((struct socket *sock, int i));
148void getinetproto __P((int number));
149int getfname __P((char *filename));
150void usage __P((void));
151
152
153int
154main(argc, argv)
155 int argc;
156 char **argv;
157{
158 register struct passwd *passwd;
159 struct kinfo_proc *p, *plast;
160 int arg, ch, what;
161 char *memf, *nlistf;
162 char buf[_POSIX2_LINE_MAX];
163 int cnt;
164
165 arg = 0;
166 what = KERN_PROC_ALL;
167 nlistf = memf = NULL;
168 while ((ch = getopt(argc, argv, "fmnp:u:vN:M:")) != -1)
169 switch((char)ch) {
170 case 'f':
171 fsflg = 1;
172 break;
173 case 'M':
174 memf = optarg;
175 break;
176 case 'N':
177 nlistf = optarg;
178 break;
179 case 'm':
180 mflg = 1;
181 break;
182 case 'n':
183 nflg = 1;
184 break;
185 case 'p':
186 if (pflg++)
187 usage();
188 if (!isdigit(*optarg)) {
189 warnx("-p requires a process id");
190 usage();
191 }
192 what = KERN_PROC_PID;
193 arg = atoi(optarg);
194 break;
195 case 'u':
196 if (uflg++)
197 usage();
198 if (!(passwd = getpwnam(optarg)))
199 errx(1, "%s: unknown uid", optarg);
200 what = KERN_PROC_UID;
201 arg = passwd->pw_uid;
202 break;
203 case 'v':
204 vflg = 1;
205 break;
206 case '?':
207 default:
208 usage();
209 }
210
211 if (*(argv += optind)) {
212 for (; *argv; ++argv) {
213 if (getfname(*argv))
214 checkfile = 1;
215 }
216 if (!checkfile) /* file(s) specified, but none accessable */
217 exit(1);
218 }
219
220 ALLOC_OFILES(256); /* reserve space for file pointers */
221
222 if (fsflg && !checkfile) {
223 /* -f with no files means use wd */
224 if (getfname(".") == 0)
225 exit(1);
226 checkfile = 1;
227 }
228
229 /*
230 * Discard setgid privileges if not the running kernel so that bad
231 * guys can't print interesting stuff from kernel memory.
232 */
233 if (nlistf != NULL || memf != NULL)
234 setgid(getgid());
235
236 if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == NULL)
237 errx(1, "%s", buf);
238#ifdef notdef
239 if (kvm_nlist(kd, nl) != 0)
240 errx(1, "no namelist: %s", kvm_geterr(kd));
241#endif
242 if ((p = kvm_getprocs(kd, what, arg, &cnt)) == NULL)
243 errx(1, "%s", kvm_geterr(kd));
244 if (nflg)
245 printf("%s",
246"USER CMD PID FD DEV INUM MODE SZ|DV R/W");
247 else
248 printf("%s",
249"USER CMD PID FD MOUNT INUM MODE SZ|DV R/W");
250 if (checkfile && fsflg == 0)
251 printf(" NAME\n");
252 else
253 putchar('\n');
254
255 for (plast = &p[cnt]; p < plast; ++p) {
256 if (p->ki_stat == SZOMB)
257 continue;
258 dofiles(p);
259 if (mflg)
260 dommap(p);
261 }
262 exit(0);
263}
264
265char *Uname, *Comm;
266int Pid;
267
268#define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \
269 switch(i) { \
270 case TEXT: \
271 printf(" text"); \
272 break; \
273 case CDIR: \
274 printf(" wd"); \
275 break; \
276 case RDIR: \
277 printf(" root"); \
278 break; \
279 case TRACE: \
280 printf(" tr"); \
281 break; \
282 case MMAP: \
283 printf(" mmap"); \
284 break; \
285 default: \
286 printf(" %4d", i); \
287 break; \
288 }
289
290/*
291 * print open files attributed to this process
292 */
293void
294dofiles(kp)
295 struct kinfo_proc *kp;
296{
297 int i;
298 struct file file;
299 struct filedesc0 filed0;
300#define filed filed0.fd_fd
301
302 Uname = user_from_uid(kp->ki_uid, 0);
303 Pid = kp->ki_pid;
304 Comm = kp->ki_comm;
305
306 if (kp->ki_fd == NULL)
307 return;
308 if (!KVM_READ(kp->ki_fd, &filed0, sizeof (filed0))) {
309 dprintf(stderr, "can't read filedesc at %p for pid %d\n",
310 (void *)kp->ki_fd, Pid);
311 return;
312 }
313 /*
314 * root directory vnode, if one
315 */
316 if (filed.fd_rdir)
317 vtrans(filed.fd_rdir, RDIR, FREAD);
318 /*
319 * current working directory vnode
320 */
321 vtrans(filed.fd_cdir, CDIR, FREAD);
322 /*
323 * ktrace vnode, if one
324 */
325 if (kp->ki_tracep)
326 vtrans(kp->ki_tracep, TRACE, FREAD|FWRITE);
327 /*
328 * text vnode, if one
329 */
330 if (kp->ki_textvp)
331 vtrans(kp->ki_textvp, TEXT, FREAD);
332 /*
333 * open files
334 */
335#define FPSIZE (sizeof (struct file *))
336 ALLOC_OFILES(filed.fd_lastfile+1);
337 if (filed.fd_nfiles > NDFILE) {
338 if (!KVM_READ(filed.fd_ofiles, ofiles,
339 (filed.fd_lastfile+1) * FPSIZE)) {
340 dprintf(stderr,
341 "can't read file structures at %p for pid %d\n",
342 (void *)filed.fd_ofiles, Pid);
343 return;
344 }
345 } else
346 bcopy(filed0.fd_dfiles, ofiles, (filed.fd_lastfile+1) * FPSIZE);
347 for (i = 0; i <= filed.fd_lastfile; i++) {
348 if (ofiles[i] == NULL)
349 continue;
350 if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) {
351 dprintf(stderr, "can't read file %d at %p for pid %d\n",
352 i, (void *)ofiles[i], Pid);
353 continue;
354 }
355 if (file.f_type == DTYPE_VNODE)
356 vtrans((struct vnode *)file.f_data, i, file.f_flag);
357 else if (file.f_type == DTYPE_SOCKET) {
358 if (checkfile == 0)
359 socktrans((struct socket *)file.f_data, i);
360 }
361#ifdef DTYPE_PIPE
362 else if (file.f_type == DTYPE_PIPE) {
363 if (checkfile == 0)
364 pipetrans((struct pipe *)file.f_data, i,
365 file.f_flag);
366 }
367#endif
368 else {
369 dprintf(stderr,
370 "unknown file type %d for file %d of pid %d\n",
371 file.f_type, i, Pid);
372 }
373 }
374}
375
376void
377dommap(kp)
378 struct kinfo_proc *kp;
379{
380 vm_map_t map;
381 struct vmspace vmspace;
382 struct vm_map_entry entry;
383 vm_map_entry_t entryp;
384 struct vm_object object;
385 vm_object_t objp;
386 int prot, fflags;
387
388 if (!KVM_READ(kp->ki_vmspace, &vmspace, sizeof(vmspace))) {
389 dprintf(stderr,
390 "can't read vmspace at %p for pid %d\n",
391 (void *)kp->ki_vmspace, Pid);
392 return;
393 }
394 map = &vmspace.vm_map;
395
396 for (entryp = map->header.next; entryp != &vmspace.vm_map.header;
397 entryp = entry.next) {
396 for (entryp = map->header.next;
397 entryp != &kp->ki_vmspace->vm_map.header; entryp = entry.next) {
398 if (!KVM_READ(entryp, &entry, sizeof(entry))) {
399 dprintf(stderr,
400 "can't read vm_map_entry at %p for pid %d\n",
401 (void *)entryp, Pid);
402 return;
403 }
404
405 if (entry.eflags & MAP_ENTRY_IS_SUB_MAP)
406 continue;
407
408 if ((objp = entry.object.vm_object) == NULL)
409 continue;
410
411 for (; objp; objp = object.backing_object) {
412 if (!KVM_READ(objp, &object, sizeof(object))) {
413 dprintf(stderr,
414 "can't read vm_object at %p for pid %d\n",
415 (void *)objp, Pid);
416 return;
417 }
418 }
419
420 prot = entry.protection;
421 fflags = (prot & VM_PROT_READ ? FREAD : 0) |
422 (prot & VM_PROT_WRITE ? FWRITE : 0);
423
424 switch (object.type) {
425 case OBJT_VNODE:
426 vtrans((struct vnode *)object.handle, MMAP, fflags);
427 break;
428 default:
429 break;
430 }
431 }
432}
433
434void
435vtrans(vp, i, flag)
436 struct vnode *vp;
437 int i;
438 int flag;
439{
440 struct vnode vn;
441 struct filestat fst;
442 char rw[3], mode[15];
443 char *badtype = NULL, *filename, *getmnton();
444
445 filename = badtype = NULL;
446 if (!KVM_READ(vp, &vn, sizeof (struct vnode))) {
447 dprintf(stderr, "can't read vnode at %p for pid %d\n",
448 (void *)vp, Pid);
449 return;
450 }
451 if (vn.v_type == VNON || vn.v_tag == VT_NON)
452 badtype = "none";
453 else if (vn.v_type == VBAD)
454 badtype = "bad";
455 else
456 switch (vn.v_tag) {
457 case VT_UFS:
458 if (!ufs_filestat(&vn, &fst))
459 badtype = "error";
460 break;
461 case VT_MFS:
462 if (!ufs_filestat(&vn, &fst))
463 badtype = "error";
464 break;
465 case VT_NFS:
466 if (!nfs_filestat(&vn, &fst))
467 badtype = "error";
468 break;
469
470 case VT_MSDOSFS:
471 if (!msdosfs_filestat(&vn, &fst))
472 badtype = "error";
473 break;
474
475 case VT_ISOFS:
476 if (!isofs_filestat(&vn, &fst))
477 badtype = "error";
478 break;
479
480 default: {
481 static char unknown[10];
482 sprintf(badtype = unknown, "?(%x)", vn.v_tag);
483 break;;
484 }
485 }
486 if (checkfile) {
487 int fsmatch = 0;
488 register DEVS *d;
489
490 if (badtype)
491 return;
492 for (d = devs; d != NULL; d = d->next)
493 if (d->fsid == fst.fsid) {
494 fsmatch = 1;
495 if (d->ino == fst.fileid) {
496 filename = d->name;
497 break;
498 }
499 }
500 if (fsmatch == 0 || (filename == NULL && fsflg == 0))
501 return;
502 }
503 PREFIX(i);
504 if (badtype) {
505 (void)printf(" - - %10s -\n", badtype);
506 return;
507 }
508 if (nflg)
509 (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid));
510 else
511 (void)printf(" %-8s", getmnton(vn.v_mount));
512 if (nflg)
513 (void)sprintf(mode, "%o", fst.mode);
514 else
515 strmode(fst.mode, mode);
516 (void)printf(" %6ld %10s", fst.fileid, mode);
517 switch (vn.v_type) {
518 case VBLK:
519 case VCHR: {
520 char *name;
521
522 if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ?
523 S_IFCHR : S_IFBLK)) == NULL))
524 printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev));
525 else
526 printf(" %6s", name);
527 break;
528 }
529 default:
530 printf(" %6lu", fst.size);
531 }
532 rw[0] = '\0';
533 if (flag & FREAD)
534 strcat(rw, "r");
535 if (flag & FWRITE)
536 strcat(rw, "w");
537 printf(" %2s", rw);
538 if (filename && !fsflg)
539 printf(" %s", filename);
540 putchar('\n');
541}
542
543int
544ufs_filestat(vp, fsp)
545 struct vnode *vp;
546 struct filestat *fsp;
547{
548 struct inode inode;
549
550 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
551 dprintf(stderr, "can't read inode at %p for pid %d\n",
552 (void *)VTOI(vp), Pid);
553 return 0;
554 }
555 /*
556 * The st_dev from stat(2) is a udev_t. These kernel structures
557 * contain dev_t structures. We need to convert to udev to make
558 * comparisons
559 */
560 fsp->fsid = dev2udev(inode.i_dev) & 0xffff;
561 fsp->fileid = (long)inode.i_number;
562 fsp->mode = (mode_t)inode.i_mode;
563 fsp->size = (u_long)inode.i_size;
564 fsp->rdev = inode.i_rdev;
565
566 return 1;
567}
568
569int
570nfs_filestat(vp, fsp)
571 struct vnode *vp;
572 struct filestat *fsp;
573{
574 struct nfsnode nfsnode;
575 register mode_t mode;
576
577 if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) {
578 dprintf(stderr, "can't read nfsnode at %p for pid %d\n",
579 (void *)VTONFS(vp), Pid);
580 return 0;
581 }
582 fsp->fsid = nfsnode.n_vattr.va_fsid;
583 fsp->fileid = nfsnode.n_vattr.va_fileid;
584 fsp->size = nfsnode.n_size;
585 fsp->rdev = nfsnode.n_vattr.va_rdev;
586 mode = (mode_t)nfsnode.n_vattr.va_mode;
587 switch (vp->v_type) {
588 case VREG:
589 mode |= S_IFREG;
590 break;
591 case VDIR:
592 mode |= S_IFDIR;
593 break;
594 case VBLK:
595 mode |= S_IFBLK;
596 break;
597 case VCHR:
598 mode |= S_IFCHR;
599 break;
600 case VLNK:
601 mode |= S_IFLNK;
602 break;
603 case VSOCK:
604 mode |= S_IFSOCK;
605 break;
606 case VFIFO:
607 mode |= S_IFIFO;
608 break;
609 case VNON:
610 case VBAD:
611 return 0;
612 };
613 fsp->mode = mode;
614
615 return 1;
616}
617
618
619char *
620getmnton(m)
621 struct mount *m;
622{
623 static struct mount mount;
624 static struct mtab {
625 struct mtab *next;
626 struct mount *m;
627 char mntonname[MNAMELEN];
628 } *mhead = NULL;
629 register struct mtab *mt;
630
631 for (mt = mhead; mt != NULL; mt = mt->next)
632 if (m == mt->m)
633 return (mt->mntonname);
634 if (!KVM_READ(m, &mount, sizeof(struct mount))) {
635 warnx("can't read mount table at %p", (void *)m);
636 return (NULL);
637 }
638 if ((mt = malloc(sizeof (struct mtab))) == NULL)
639 err(1, NULL);
640 mt->m = m;
641 bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
642 mt->next = mhead;
643 mhead = mt;
644 return (mt->mntonname);
645}
646
647void
648pipetrans(pi, i, flag)
649 struct pipe *pi;
650 int i;
651 int flag;
652{
653 struct pipe pip;
654 char rw[3];
655
656 PREFIX(i);
657
658 /* fill in socket */
659 if (!KVM_READ(pi, &pip, sizeof(struct pipe))) {
660 dprintf(stderr, "can't read pipe at %p\n", (void *)pi);
661 goto bad;
662 }
663
664 printf("* pipe %8x <-> %8x", (int)pi, (int)pip.pipe_peer);
665 printf(" %6d", (int)pip.pipe_buffer.cnt);
666 rw[0] = '\0';
667 if (flag & FREAD)
668 strcat(rw, "r");
669 if (flag & FWRITE)
670 strcat(rw, "w");
671 printf(" %2s", rw);
672 putchar('\n');
673 return;
674
675bad:
676 printf("* error\n");
677}
678
679void
680socktrans(sock, i)
681 struct socket *sock;
682 int i;
683{
684 static char *stypename[] = {
685 "unused", /* 0 */
686 "stream", /* 1 */
687 "dgram", /* 2 */
688 "raw", /* 3 */
689 "rdm", /* 4 */
690 "seqpak" /* 5 */
691 };
692#define STYPEMAX 5
693 struct socket so;
694 struct protosw proto;
695 struct domain dom;
696 struct inpcb inpcb;
697 struct unpcb unpcb;
698 int len;
699 char dname[32], *strcpy();
700
701 PREFIX(i);
702
703 /* fill in socket */
704 if (!KVM_READ(sock, &so, sizeof(struct socket))) {
705 dprintf(stderr, "can't read sock at %p\n", (void *)sock);
706 goto bad;
707 }
708
709 /* fill in protosw entry */
710 if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) {
711 dprintf(stderr, "can't read protosw at %p",
712 (void *)so.so_proto);
713 goto bad;
714 }
715
716 /* fill in domain */
717 if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) {
718 dprintf(stderr, "can't read domain at %p\n",
719 (void *)proto.pr_domain);
720 goto bad;
721 }
722
723 if ((len = kvm_read(kd, (u_long)dom.dom_name, dname,
724 sizeof(dname) - 1)) < 0) {
725 dprintf(stderr, "can't read domain name at %p\n",
726 (void *)dom.dom_name);
727 dname[0] = '\0';
728 }
729 else
730 dname[len] = '\0';
731
732 if ((u_short)so.so_type > STYPEMAX)
733 printf("* %s ?%d", dname, so.so_type);
734 else
735 printf("* %s %s", dname, stypename[so.so_type]);
736
737 /*
738 * protocol specific formatting
739 *
740 * Try to find interesting things to print. For tcp, the interesting
741 * thing is the address of the tcpcb, for udp and others, just the
742 * inpcb (socket pcb). For unix domain, its the address of the socket
743 * pcb and the address of the connected pcb (if connected). Otherwise
744 * just print the protocol number and address of the socket itself.
745 * The idea is not to duplicate netstat, but to make available enough
746 * information for further analysis.
747 */
748 switch(dom.dom_family) {
749 case AF_INET:
750 case AF_INET6:
751 getinetproto(proto.pr_protocol);
752 if (proto.pr_protocol == IPPROTO_TCP ) {
753 if (so.so_pcb) {
754 if (kvm_read(kd, (u_long)so.so_pcb,
755 (char *)&inpcb, sizeof(struct inpcb))
756 != sizeof(struct inpcb)) {
757 dprintf(stderr,
758 "can't read inpcb at %p\n",
759 (void *)so.so_pcb);
760 goto bad;
761 }
762 printf(" %x", (int)inpcb.inp_ppcb);
763 }
764 }
765 else if (so.so_pcb)
766 printf(" %x", (int)so.so_pcb);
767 break;
768 case AF_UNIX:
769 /* print address of pcb and connected pcb */
770 if (so.so_pcb) {
771 printf(" %x", (int)so.so_pcb);
772 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb,
773 sizeof(struct unpcb)) != sizeof(struct unpcb)){
774 dprintf(stderr, "can't read unpcb at %p\n",
775 (void *)so.so_pcb);
776 goto bad;
777 }
778 if (unpcb.unp_conn) {
779 char shoconn[4], *cp;
780
781 cp = shoconn;
782 if (!(so.so_state & SS_CANTRCVMORE))
783 *cp++ = '<';
784 *cp++ = '-';
785 if (!(so.so_state & SS_CANTSENDMORE))
786 *cp++ = '>';
787 *cp = '\0';
788 printf(" %s %x", shoconn,
789 (int)unpcb.unp_conn);
790 }
791 }
792 break;
793 default:
794 /* print protocol number and socket address */
795 printf(" %d %x", proto.pr_protocol, (int)sock);
796 }
797 printf("\n");
798 return;
799bad:
800 printf("* error\n");
801}
802
803
804/*
805 * Read the specinfo structure in the kernel (as pointed to by a dev_t)
806 * in order to work out the associated udev_t
807 */
808udev_t
809dev2udev(dev)
810 dev_t dev;
811{
812 struct specinfo si;
813
814 if (KVM_READ(dev, &si, sizeof si)) {
815 return si.si_udev;
816 } else {
817 dprintf(stderr, "can't convert dev_t %p to a udev_t\n",
818 (void *)dev);
819 return -1;
820 }
821}
822
823/*
824 * getinetproto --
825 * print name of protocol number
826 */
827void
828getinetproto(number)
829 int number;
830{
831 static int isopen;
832 register struct protoent *pe;
833
834 if (!isopen)
835 setprotoent(++isopen);
836 if ((pe = getprotobynumber(number)) != NULL)
837 printf(" %s", pe->p_name);
838 else
839 printf(" %d", number);
840}
841
842int
843getfname(filename)
844 char *filename;
845{
846 struct stat statbuf;
847 DEVS *cur;
848
849 if (stat(filename, &statbuf)) {
850 warn("%s", filename);
851 return(0);
852 }
853 if ((cur = malloc(sizeof(DEVS))) == NULL)
854 err(1, NULL);
855 cur->next = devs;
856 devs = cur;
857
858 cur->ino = statbuf.st_ino;
859 cur->fsid = statbuf.st_dev & 0xffff;
860 cur->name = filename;
861 return(1);
862}
863
864void
865usage()
866{
867 (void)fprintf(stderr,
868 "usage: fstat [-fmnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n");
869 exit(1);
870}
398 if (!KVM_READ(entryp, &entry, sizeof(entry))) {
399 dprintf(stderr,
400 "can't read vm_map_entry at %p for pid %d\n",
401 (void *)entryp, Pid);
402 return;
403 }
404
405 if (entry.eflags & MAP_ENTRY_IS_SUB_MAP)
406 continue;
407
408 if ((objp = entry.object.vm_object) == NULL)
409 continue;
410
411 for (; objp; objp = object.backing_object) {
412 if (!KVM_READ(objp, &object, sizeof(object))) {
413 dprintf(stderr,
414 "can't read vm_object at %p for pid %d\n",
415 (void *)objp, Pid);
416 return;
417 }
418 }
419
420 prot = entry.protection;
421 fflags = (prot & VM_PROT_READ ? FREAD : 0) |
422 (prot & VM_PROT_WRITE ? FWRITE : 0);
423
424 switch (object.type) {
425 case OBJT_VNODE:
426 vtrans((struct vnode *)object.handle, MMAP, fflags);
427 break;
428 default:
429 break;
430 }
431 }
432}
433
434void
435vtrans(vp, i, flag)
436 struct vnode *vp;
437 int i;
438 int flag;
439{
440 struct vnode vn;
441 struct filestat fst;
442 char rw[3], mode[15];
443 char *badtype = NULL, *filename, *getmnton();
444
445 filename = badtype = NULL;
446 if (!KVM_READ(vp, &vn, sizeof (struct vnode))) {
447 dprintf(stderr, "can't read vnode at %p for pid %d\n",
448 (void *)vp, Pid);
449 return;
450 }
451 if (vn.v_type == VNON || vn.v_tag == VT_NON)
452 badtype = "none";
453 else if (vn.v_type == VBAD)
454 badtype = "bad";
455 else
456 switch (vn.v_tag) {
457 case VT_UFS:
458 if (!ufs_filestat(&vn, &fst))
459 badtype = "error";
460 break;
461 case VT_MFS:
462 if (!ufs_filestat(&vn, &fst))
463 badtype = "error";
464 break;
465 case VT_NFS:
466 if (!nfs_filestat(&vn, &fst))
467 badtype = "error";
468 break;
469
470 case VT_MSDOSFS:
471 if (!msdosfs_filestat(&vn, &fst))
472 badtype = "error";
473 break;
474
475 case VT_ISOFS:
476 if (!isofs_filestat(&vn, &fst))
477 badtype = "error";
478 break;
479
480 default: {
481 static char unknown[10];
482 sprintf(badtype = unknown, "?(%x)", vn.v_tag);
483 break;;
484 }
485 }
486 if (checkfile) {
487 int fsmatch = 0;
488 register DEVS *d;
489
490 if (badtype)
491 return;
492 for (d = devs; d != NULL; d = d->next)
493 if (d->fsid == fst.fsid) {
494 fsmatch = 1;
495 if (d->ino == fst.fileid) {
496 filename = d->name;
497 break;
498 }
499 }
500 if (fsmatch == 0 || (filename == NULL && fsflg == 0))
501 return;
502 }
503 PREFIX(i);
504 if (badtype) {
505 (void)printf(" - - %10s -\n", badtype);
506 return;
507 }
508 if (nflg)
509 (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid));
510 else
511 (void)printf(" %-8s", getmnton(vn.v_mount));
512 if (nflg)
513 (void)sprintf(mode, "%o", fst.mode);
514 else
515 strmode(fst.mode, mode);
516 (void)printf(" %6ld %10s", fst.fileid, mode);
517 switch (vn.v_type) {
518 case VBLK:
519 case VCHR: {
520 char *name;
521
522 if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ?
523 S_IFCHR : S_IFBLK)) == NULL))
524 printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev));
525 else
526 printf(" %6s", name);
527 break;
528 }
529 default:
530 printf(" %6lu", fst.size);
531 }
532 rw[0] = '\0';
533 if (flag & FREAD)
534 strcat(rw, "r");
535 if (flag & FWRITE)
536 strcat(rw, "w");
537 printf(" %2s", rw);
538 if (filename && !fsflg)
539 printf(" %s", filename);
540 putchar('\n');
541}
542
543int
544ufs_filestat(vp, fsp)
545 struct vnode *vp;
546 struct filestat *fsp;
547{
548 struct inode inode;
549
550 if (!KVM_READ(VTOI(vp), &inode, sizeof (inode))) {
551 dprintf(stderr, "can't read inode at %p for pid %d\n",
552 (void *)VTOI(vp), Pid);
553 return 0;
554 }
555 /*
556 * The st_dev from stat(2) is a udev_t. These kernel structures
557 * contain dev_t structures. We need to convert to udev to make
558 * comparisons
559 */
560 fsp->fsid = dev2udev(inode.i_dev) & 0xffff;
561 fsp->fileid = (long)inode.i_number;
562 fsp->mode = (mode_t)inode.i_mode;
563 fsp->size = (u_long)inode.i_size;
564 fsp->rdev = inode.i_rdev;
565
566 return 1;
567}
568
569int
570nfs_filestat(vp, fsp)
571 struct vnode *vp;
572 struct filestat *fsp;
573{
574 struct nfsnode nfsnode;
575 register mode_t mode;
576
577 if (!KVM_READ(VTONFS(vp), &nfsnode, sizeof (nfsnode))) {
578 dprintf(stderr, "can't read nfsnode at %p for pid %d\n",
579 (void *)VTONFS(vp), Pid);
580 return 0;
581 }
582 fsp->fsid = nfsnode.n_vattr.va_fsid;
583 fsp->fileid = nfsnode.n_vattr.va_fileid;
584 fsp->size = nfsnode.n_size;
585 fsp->rdev = nfsnode.n_vattr.va_rdev;
586 mode = (mode_t)nfsnode.n_vattr.va_mode;
587 switch (vp->v_type) {
588 case VREG:
589 mode |= S_IFREG;
590 break;
591 case VDIR:
592 mode |= S_IFDIR;
593 break;
594 case VBLK:
595 mode |= S_IFBLK;
596 break;
597 case VCHR:
598 mode |= S_IFCHR;
599 break;
600 case VLNK:
601 mode |= S_IFLNK;
602 break;
603 case VSOCK:
604 mode |= S_IFSOCK;
605 break;
606 case VFIFO:
607 mode |= S_IFIFO;
608 break;
609 case VNON:
610 case VBAD:
611 return 0;
612 };
613 fsp->mode = mode;
614
615 return 1;
616}
617
618
619char *
620getmnton(m)
621 struct mount *m;
622{
623 static struct mount mount;
624 static struct mtab {
625 struct mtab *next;
626 struct mount *m;
627 char mntonname[MNAMELEN];
628 } *mhead = NULL;
629 register struct mtab *mt;
630
631 for (mt = mhead; mt != NULL; mt = mt->next)
632 if (m == mt->m)
633 return (mt->mntonname);
634 if (!KVM_READ(m, &mount, sizeof(struct mount))) {
635 warnx("can't read mount table at %p", (void *)m);
636 return (NULL);
637 }
638 if ((mt = malloc(sizeof (struct mtab))) == NULL)
639 err(1, NULL);
640 mt->m = m;
641 bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
642 mt->next = mhead;
643 mhead = mt;
644 return (mt->mntonname);
645}
646
647void
648pipetrans(pi, i, flag)
649 struct pipe *pi;
650 int i;
651 int flag;
652{
653 struct pipe pip;
654 char rw[3];
655
656 PREFIX(i);
657
658 /* fill in socket */
659 if (!KVM_READ(pi, &pip, sizeof(struct pipe))) {
660 dprintf(stderr, "can't read pipe at %p\n", (void *)pi);
661 goto bad;
662 }
663
664 printf("* pipe %8x <-> %8x", (int)pi, (int)pip.pipe_peer);
665 printf(" %6d", (int)pip.pipe_buffer.cnt);
666 rw[0] = '\0';
667 if (flag & FREAD)
668 strcat(rw, "r");
669 if (flag & FWRITE)
670 strcat(rw, "w");
671 printf(" %2s", rw);
672 putchar('\n');
673 return;
674
675bad:
676 printf("* error\n");
677}
678
679void
680socktrans(sock, i)
681 struct socket *sock;
682 int i;
683{
684 static char *stypename[] = {
685 "unused", /* 0 */
686 "stream", /* 1 */
687 "dgram", /* 2 */
688 "raw", /* 3 */
689 "rdm", /* 4 */
690 "seqpak" /* 5 */
691 };
692#define STYPEMAX 5
693 struct socket so;
694 struct protosw proto;
695 struct domain dom;
696 struct inpcb inpcb;
697 struct unpcb unpcb;
698 int len;
699 char dname[32], *strcpy();
700
701 PREFIX(i);
702
703 /* fill in socket */
704 if (!KVM_READ(sock, &so, sizeof(struct socket))) {
705 dprintf(stderr, "can't read sock at %p\n", (void *)sock);
706 goto bad;
707 }
708
709 /* fill in protosw entry */
710 if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) {
711 dprintf(stderr, "can't read protosw at %p",
712 (void *)so.so_proto);
713 goto bad;
714 }
715
716 /* fill in domain */
717 if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) {
718 dprintf(stderr, "can't read domain at %p\n",
719 (void *)proto.pr_domain);
720 goto bad;
721 }
722
723 if ((len = kvm_read(kd, (u_long)dom.dom_name, dname,
724 sizeof(dname) - 1)) < 0) {
725 dprintf(stderr, "can't read domain name at %p\n",
726 (void *)dom.dom_name);
727 dname[0] = '\0';
728 }
729 else
730 dname[len] = '\0';
731
732 if ((u_short)so.so_type > STYPEMAX)
733 printf("* %s ?%d", dname, so.so_type);
734 else
735 printf("* %s %s", dname, stypename[so.so_type]);
736
737 /*
738 * protocol specific formatting
739 *
740 * Try to find interesting things to print. For tcp, the interesting
741 * thing is the address of the tcpcb, for udp and others, just the
742 * inpcb (socket pcb). For unix domain, its the address of the socket
743 * pcb and the address of the connected pcb (if connected). Otherwise
744 * just print the protocol number and address of the socket itself.
745 * The idea is not to duplicate netstat, but to make available enough
746 * information for further analysis.
747 */
748 switch(dom.dom_family) {
749 case AF_INET:
750 case AF_INET6:
751 getinetproto(proto.pr_protocol);
752 if (proto.pr_protocol == IPPROTO_TCP ) {
753 if (so.so_pcb) {
754 if (kvm_read(kd, (u_long)so.so_pcb,
755 (char *)&inpcb, sizeof(struct inpcb))
756 != sizeof(struct inpcb)) {
757 dprintf(stderr,
758 "can't read inpcb at %p\n",
759 (void *)so.so_pcb);
760 goto bad;
761 }
762 printf(" %x", (int)inpcb.inp_ppcb);
763 }
764 }
765 else if (so.so_pcb)
766 printf(" %x", (int)so.so_pcb);
767 break;
768 case AF_UNIX:
769 /* print address of pcb and connected pcb */
770 if (so.so_pcb) {
771 printf(" %x", (int)so.so_pcb);
772 if (kvm_read(kd, (u_long)so.so_pcb, (char *)&unpcb,
773 sizeof(struct unpcb)) != sizeof(struct unpcb)){
774 dprintf(stderr, "can't read unpcb at %p\n",
775 (void *)so.so_pcb);
776 goto bad;
777 }
778 if (unpcb.unp_conn) {
779 char shoconn[4], *cp;
780
781 cp = shoconn;
782 if (!(so.so_state & SS_CANTRCVMORE))
783 *cp++ = '<';
784 *cp++ = '-';
785 if (!(so.so_state & SS_CANTSENDMORE))
786 *cp++ = '>';
787 *cp = '\0';
788 printf(" %s %x", shoconn,
789 (int)unpcb.unp_conn);
790 }
791 }
792 break;
793 default:
794 /* print protocol number and socket address */
795 printf(" %d %x", proto.pr_protocol, (int)sock);
796 }
797 printf("\n");
798 return;
799bad:
800 printf("* error\n");
801}
802
803
804/*
805 * Read the specinfo structure in the kernel (as pointed to by a dev_t)
806 * in order to work out the associated udev_t
807 */
808udev_t
809dev2udev(dev)
810 dev_t dev;
811{
812 struct specinfo si;
813
814 if (KVM_READ(dev, &si, sizeof si)) {
815 return si.si_udev;
816 } else {
817 dprintf(stderr, "can't convert dev_t %p to a udev_t\n",
818 (void *)dev);
819 return -1;
820 }
821}
822
823/*
824 * getinetproto --
825 * print name of protocol number
826 */
827void
828getinetproto(number)
829 int number;
830{
831 static int isopen;
832 register struct protoent *pe;
833
834 if (!isopen)
835 setprotoent(++isopen);
836 if ((pe = getprotobynumber(number)) != NULL)
837 printf(" %s", pe->p_name);
838 else
839 printf(" %d", number);
840}
841
842int
843getfname(filename)
844 char *filename;
845{
846 struct stat statbuf;
847 DEVS *cur;
848
849 if (stat(filename, &statbuf)) {
850 warn("%s", filename);
851 return(0);
852 }
853 if ((cur = malloc(sizeof(DEVS))) == NULL)
854 err(1, NULL);
855 cur->next = devs;
856 devs = cur;
857
858 cur->ino = statbuf.st_ino;
859 cur->fsid = statbuf.st_dev & 0xffff;
860 cur->name = filename;
861 return(1);
862}
863
864void
865usage()
866{
867 (void)fprintf(stderr,
868 "usage: fstat [-fmnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n");
869 exit(1);
870}