home *** CD-ROM | disk | FTP | other *** search
- /*-
- * Copyright (c) 1988 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- char copyright[] =
- "@(#) Copyright (c) 1988 The Regents of the University of California.\n\
- All rights reserved.\n";
- #endif /* not lint */
-
- #ifndef lint
- static char sccsid[] = "@(#)fstat.c 5.32 (Berkeley) 6/17/91";
- #endif /* not lint */
-
- /*
- * fstat
- */
- #include <sys/param.h>
- #include <sys/time.h>
- #include <sys/proc.h>
- #include <sys/user.h>
- #ifdef SPPWAIT
- #define NEWVM
- #endif
- #ifndef NEWVM
- #include <machine/pte.h>
- #include <sys/vmmac.h>
- #endif
- #include <sys/stat.h>
- #include <sys/vnode.h>
- #include <sys/socket.h>
- #include <sys/socketvar.h>
- #include <sys/domain.h>
- #include <sys/protosw.h>
- #include <sys/unpcb.h>
- #include <sys/kinfo.h>
- #include <sys/filedesc.h>
- #define KERNEL
- #define NFS
- #include <sys/file.h>
- #include <sys/mount.h>
- #include <ufs/quota.h>
- #include <ufs/inode.h>
- #include <nfs/nfsv2.h>
- #include <nfs/nfs.h>
- #include <nfs/nfsnode.h>
- #undef KERNEL
-
- #include <net/route.h>
- #include <netinet/in.h>
- #include <netinet/in_systm.h>
- #include <netinet/ip.h>
- #include <netinet/in_pcb.h>
-
- #include <errno.h>
- #include <nlist.h>
- #include <kvm.h>
- #include <pwd.h>
- #include <stdio.h>
- #include <paths.h>
- #include <ctype.h>
- #include <stdlib.h>
- #include <string.h>
-
- #define TEXT -1
- #define CDIR -2
- #define RDIR -3
- #define TRACE -4
-
- typedef struct devs {
- struct devs *next;
- long fsid;
- ino_t ino;
- char *name;
- } DEVS;
- DEVS *devs;
-
- struct filestat {
- long fsid;
- long fileid;
- mode_t mode;
- u_long size;
- dev_t rdev;
- };
-
- #ifdef notdef
- struct nlist nl[] = {
- { "" },
- };
- #endif
-
- int fsflg, /* show files on same filesystem as file(s) argument */
- pflg, /* show files open by a particular pid */
- uflg; /* show files open by a particular (effective) user */
- int checkfile; /* true if restricting to particular files or filesystems */
- int nflg; /* (numerical) display f.s. and rdev as dev_t */
- int vflg; /* display errors in locating kernel data objects etc... */
-
- #define dprintf if (vflg) fprintf
-
- struct file **ofiles; /* buffer of pointers to file structures */
- int maxfiles;
- #define ALLOC_OFILES(d) \
- if ((d) > maxfiles) { \
- free(ofiles); \
- ofiles = malloc((d) * sizeof(struct file *)); \
- if (ofiles == NULL) { \
- fprintf(stderr, "fstat: %s\n", strerror(errno)); \
- exit(1); \
- } \
- maxfiles = (d); \
- }
-
- /*
- * a kvm_read that returns true if everything is read
- */
- #define KVM_READ(kaddr, paddr, len) (kvm_read((kaddr), (paddr), (len)) == (len))
-
- void dofiles(), getinetproto(), socktrans(), nfs_filestat(), ufs_filestat();
- void usage(), vtrans();
-
- main(argc, argv)
- int argc;
- char **argv;
- {
- extern char *optarg;
- extern int optind;
- register struct passwd *passwd;
- struct proc *p;
- int arg, ch, what;
- char *namelist = NULL, *memfile = NULL;
-
- arg = 0;
- what = KINFO_PROC_ALL;
- while ((ch = getopt(argc, argv, "fnp:u:vNM")) != EOF)
- switch((char)ch) {
- case 'f':
- fsflg = 1;
- break;
- case 'n':
- nflg = 1;
- break;
- case 'p':
- if (pflg++)
- usage();
- if (!isdigit(*optarg)) {
- fprintf(stderr,
- "fstat: -p requires a process id\n");
- usage();
- }
- what = KINFO_PROC_PID;
- arg = atoi(optarg);
- break;
- case 'u':
- if (uflg++)
- usage();
- if (!(passwd = getpwnam(optarg))) {
- fprintf(stderr, "%s: unknown uid\n",
- optarg);
- exit(1);
- }
- what = KINFO_PROC_UID;
- arg = passwd->pw_uid;
- break;
- case 'v':
- vflg = 1;
- break;
- case 'N':
- namelist = optarg;
- break;
- case 'M':
- memfile = optarg;
- break;
- case '?':
- default:
- usage();
- }
-
- if (*(argv += optind)) {
- for (; *argv; ++argv) {
- if (getfname(*argv))
- checkfile = 1;
- }
- if (!checkfile) /* file(s) specified, but none accessable */
- exit(1);
- }
-
- ALLOC_OFILES(256); /* reserve space for file pointers */
-
- if (fsflg && !checkfile) {
- /* -f with no files means use wd */
- if (getfname(".") == 0)
- exit(1);
- checkfile = 1;
- }
-
- if (kvm_openfiles(namelist, memfile, NULL) == -1) {
- fprintf(stderr, "fstat: %s\n", kvm_geterr());
- exit(1);
- }
- #ifdef notdef
- if (kvm_nlist(nl) != 0) {
- fprintf(stderr, "fstat: no namelist: %s\n", kvm_geterr());
- exit(1);
- }
- #endif
- if (kvm_getprocs(what, arg) == -1) {
- fprintf(stderr, "fstat: %s\n", kvm_geterr());
- exit(1);
- }
- if (nflg)
- printf("%s",
- "USER CMD PID FD DEV INUM MODE SZ|DV");
- else
- printf("%s",
- "USER CMD PID FD MOUNT INUM MODE SZ|DV");
- if (checkfile && fsflg == 0)
- printf(" NAME\n");
- else
- putchar('\n');
-
- while ((p = kvm_nextproc()) != NULL) {
- if (p->p_stat == SZOMB)
- continue;
- dofiles(p);
- }
- exit(0);
- }
-
- char *Uname, *Comm;
- int Pid;
-
- #define PREFIX(i) printf("%-8.8s %-10s %5d", Uname, Comm, Pid); \
- switch(i) { \
- case TEXT: \
- printf(" text"); \
- break; \
- case CDIR: \
- printf(" wd"); \
- break; \
- case RDIR: \
- printf(" root"); \
- break; \
- case TRACE: \
- printf(" tr"); \
- break; \
- default: \
- printf(" %4d", i); \
- break; \
- }
-
- /*
- * print open files attributed to this process
- */
- void
- dofiles(p)
- struct proc *p;
- {
- int i, last;
- struct file file;
- #ifdef NEWVM
- struct filedesc0 filed0;
- #define filed filed0.fd_fd
- struct eproc *ep;
- #else
- struct filedesc filed;
- #endif
-
- extern char *user_from_uid();
- #ifndef NEWVM
- struct vnode *xvptr;
- #endif
-
- #ifdef NEWVM
- ep = kvm_geteproc(p);
- Uname = user_from_uid(ep->e_ucred.cr_uid, 0);
- #else
- Uname = user_from_uid(p->p_uid, 0);
- #endif
- Pid = p->p_pid;
- Comm = p->p_comm;
-
- if (p->p_fd == NULL)
- return;
- #ifdef NEWVM
- if (!KVM_READ(p->p_fd, &filed0, sizeof (filed0))) {
- dprintf(stderr, "can't read filedesc at %x for pid %d\n",
- p->p_fd, Pid);
- return;
- }
- #else
- if (!KVM_READ(p->p_fd, &filed, sizeof (filed))) {
- dprintf(stderr, "can't read filedesc at %x for pid %d\n",
- p->p_fd, Pid);
- return;
- }
- #endif
- /*
- * root directory vnode, if one
- */
- if (filed.fd_rdir)
- vtrans(filed.fd_rdir, RDIR);
- #ifndef NEWVM
- /*
- * text vnode
- */
- if (p->p_textp &&
- KVM_READ(&(p->p_textp->x_vptr), &xvptr, sizeof (struct vnode *)) &&
- xvptr != NULL)
- vtrans(xvptr, TEXT);
- #endif
- /*
- * current working directory vnode
- */
- vtrans(filed.fd_cdir, CDIR);
- /*
- * ktrace vnode, if one
- */
- if (p->p_tracep)
- vtrans(p->p_tracep, TRACE);
- /*
- * open files
- */
- #define FPSIZE (sizeof (struct file *))
- ALLOC_OFILES(filed.fd_lastfile);
- #ifdef NEWVM
- if (filed.fd_nfiles > NDFILE) {
- if (!KVM_READ(filed.fd_ofiles, ofiles,
- filed.fd_lastfile * FPSIZE)) {
- dprintf(stderr,
- "can't read file structures at %x for pid %d\n",
- filed.fd_ofiles, Pid);
- return;
- }
- } else
- bcopy(filed0.fd_dfiles, ofiles, filed.fd_lastfile * FPSIZE);
- #else
- bcopy(filed.fd_ofile, ofiles, MIN(filed.fd_lastfile, NDFILE) * FPSIZE);
- last = filed.fd_lastfile;
- if ((last > NDFILE) && !KVM_READ(filed.fd_moreofiles, &ofiles[NDFILE],
- (last - NDFILE) * FPSIZE)) {
- dprintf(stderr, "can't read rest of files at %x for pid %d\n",
- filed.fd_moreofiles, Pid);
- return;
- }
- #endif
- for (i = 0; i <= filed.fd_lastfile; i++) {
- if (ofiles[i] == NULL)
- continue;
- if (!KVM_READ(ofiles[i], &file, sizeof (struct file))) {
- dprintf(stderr, "can't read file %d at %x for pid %d\n",
- i, ofiles[i], Pid);
- continue;
- }
- if (file.f_type == DTYPE_VNODE)
- vtrans((struct vnode *)file.f_data, i);
- else if (file.f_type == DTYPE_SOCKET && checkfile == 0)
- socktrans((struct socket *)file.f_data, i);
- else {
- dprintf(stderr,
- "unknown file type %d for file %d of pid %d\n",
- file.f_type, i, Pid);
- }
- }
- }
-
- void
- vtrans(vp, i)
- struct vnode *vp;
- int i;
- {
- extern char *devname();
- struct vnode vn;
- struct filestat fst;
- char mode[15];
- char *badtype, *filename, *getmnton();
-
- filename = badtype = NULL;
- if (!KVM_READ(vp, &vn, sizeof (struct vnode))) {
- dprintf(stderr, "can't read vnode at %x for pid %d\n",
- vp, Pid);
- return;
- }
- if (vn.v_type == VNON || vn.v_tag == VT_NON)
- badtype = "none";
- else if (vn.v_type == VBAD)
- badtype = "bad";
- else
- switch (vn.v_tag) {
- case VT_UFS:
- ufs_filestat(&vn, &fst);
- break;
- case VT_MFS:
- ufs_filestat(&vn, &fst);
- break;
- case VT_NFS:
- nfs_filestat(&vn, &fst);
- break;
- default: {
- static char unknown[10];
- sprintf(badtype = unknown, "?(%x)", vn.v_tag);
- break;;
- }
- }
- if (checkfile) {
- int fsmatch = 0;
- register DEVS *d;
-
- if (badtype)
- return;
- for (d = devs; d != NULL; d = d->next)
- if (d->fsid == fst.fsid) {
- fsmatch = 1;
- if (d->ino == fst.fileid) {
- filename = d->name;
- break;
- }
- }
- if (fsmatch == 0 || (filename == NULL && fsflg == 0))
- return;
- }
- PREFIX(i);
- if (badtype) {
- (void)printf(" - - %10s -\n", badtype);
- return;
- }
- if (nflg)
- (void)printf(" %2d,%-2d", major(fst.fsid), minor(fst.fsid));
- else
- (void)printf(" %-8s", getmnton(vn.v_mount));
- if (nflg)
- (void)sprintf(mode, "%o", fst.mode);
- else
- strmode(fst.mode, mode);
- (void)printf(" %6d %10s", fst.fileid, mode);
- switch (vn.v_type) {
- case VBLK:
- case VCHR: {
- char *name;
-
- if (nflg || ((name = devname(fst.rdev, vn.v_type == VCHR ?
- S_IFCHR : S_IFBLK)) == NULL))
- printf(" %2d,%-2d", major(fst.rdev), minor(fst.rdev));
- else
- printf(" %6s", name);
- break;
- }
- default:
- printf(" %6d", fst.size);
- }
- if (filename && !fsflg)
- printf(" %s", filename);
-
- putchar('\n');
- }
-
- void
- ufs_filestat(vp, fsp)
- struct vnode *vp;
- struct filestat *fsp;
- {
- struct inode *ip = VTOI(vp);
-
- fsp->fsid = ip->i_dev & 0xffff;
- fsp->fileid = (long)ip->i_number;
- fsp->mode = (mode_t)ip->i_mode;
- fsp->size = (u_long)ip->i_size;
- fsp->rdev = ip->i_rdev;
- }
-
- void
- nfs_filestat(vp, fsp)
- struct vnode *vp;
- struct filestat *fsp;
- {
- register struct nfsnode *np = VTONFS(vp);
- register mode_t mode;
-
- fsp->fsid = np->n_vattr.va_fsid;
- fsp->fileid = np->n_vattr.va_fileid;
- fsp->size = np->n_size;
- fsp->rdev = np->n_vattr.va_rdev;
- mode = (mode_t)np->n_vattr.va_mode;
- switch (vp->v_type) {
- case VREG:
- mode |= S_IFREG;
- break;
- case VDIR:
- mode |= S_IFDIR;
- break;
- case VBLK:
- mode |= S_IFBLK;
- break;
- case VCHR:
- mode |= S_IFCHR;
- break;
- case VLNK:
- mode |= S_IFLNK;
- break;
- case VSOCK:
- mode |= S_IFSOCK;
- break;
- case VFIFO:
- mode |= S_IFIFO;
- break;
- };
- fsp->mode = mode;
- }
-
-
- char *
- getmnton(m)
- struct mount *m;
- {
- static struct mount mount;
- static struct mtab {
- struct mtab *next;
- struct mount *m;
- char mntonname[MNAMELEN];
- } *mhead = NULL;
- register struct mtab *mt;
-
- for (mt = mhead; mt != NULL; mt = mt->next)
- if (m == mt->m)
- return (mt->mntonname);
- if (!KVM_READ(m, &mount, sizeof(struct mount))) {
- fprintf(stderr, "can't read mount table at %x\n", m);
- return (NULL);
- }
- if ((mt = malloc(sizeof (struct mtab))) == NULL) {
- fprintf(stderr, "fstat: %s\n", strerror(errno));
- exit(1);
- }
- mt->m = m;
- bcopy(&mount.mnt_stat.f_mntonname[0], &mt->mntonname[0], MNAMELEN);
- mt->next = mhead;
- mhead = mt;
- return (mt->mntonname);
- }
-
- void
- socktrans(sock, i)
- struct socket *sock;
- int i;
- {
- static char *stypename[] = {
- "unused", /* 0 */
- "stream", /* 1 */
- "dgram", /* 2 */
- "raw", /* 3 */
- "rdm", /* 4 */
- "seqpak" /* 5 */
- };
- #define STYPEMAX 5
- struct socket so;
- struct protosw proto;
- struct domain dom;
- struct inpcb inpcb;
- struct unpcb unpcb;
- int len;
- char dname[32], *strcpy();
-
- PREFIX(i);
-
- /* fill in socket */
- if (!KVM_READ(sock, &so, sizeof(struct socket))) {
- dprintf(stderr, "can't read sock at %x\n", sock);
- goto bad;
- }
-
- /* fill in protosw entry */
- if (!KVM_READ(so.so_proto, &proto, sizeof(struct protosw))) {
- dprintf(stderr, "can't read protosw at %x", so.so_proto);
- goto bad;
- }
-
- /* fill in domain */
- if (!KVM_READ(proto.pr_domain, &dom, sizeof(struct domain))) {
- dprintf(stderr, "can't read domain at %x\n", proto.pr_domain);
- goto bad;
- }
-
- if ((len =
- kvm_read(dom.dom_name, dname, sizeof(dname) - 1)) < 0) {
- dprintf(stderr, "can't read domain name at %x\n",
- dom.dom_name);
- dname[0] = '\0';
- }
- else
- dname[len] = '\0';
-
- if ((u_short)so.so_type > STYPEMAX)
- printf("* %s ?%d", dname, so.so_type);
- else
- printf("* %s %s", dname, stypename[so.so_type]);
-
- /*
- * protocol specific formatting
- *
- * Try to find interesting things to print. For tcp, the interesting
- * thing is the address of the tcpcb, for udp and others, just the
- * inpcb (socket pcb). For unix domain, its the address of the socket
- * pcb and the address of the connected pcb (if connected). Otherwise
- * just print the protocol number and address of the socket itself.
- * The idea is not to duplicate netstat, but to make available enough
- * information for further analysis.
- */
- switch(dom.dom_family) {
- case AF_INET:
- getinetproto(proto.pr_protocol);
- if (proto.pr_protocol == IPPROTO_TCP ) {
- if (so.so_pcb) {
- if (kvm_read(so.so_pcb, &inpcb,
- sizeof(struct inpcb))
- != sizeof(struct inpcb)) {
- dprintf(stderr,
- "can't read inpcb at %x\n",
- so.so_pcb);
- goto bad;
- }
- printf(" %x", (int)inpcb.inp_ppcb);
- }
- }
- else if (so.so_pcb)
- printf(" %x", (int)so.so_pcb);
- break;
- case AF_UNIX:
- /* print address of pcb and connected pcb */
- if (so.so_pcb) {
- printf(" %x", (int)so.so_pcb);
- if (kvm_read(so.so_pcb, &unpcb,
- sizeof(struct unpcb)) != sizeof(struct unpcb)){
- dprintf(stderr, "can't read unpcb at %x\n",
- so.so_pcb);
- goto bad;
- }
- if (unpcb.unp_conn) {
- char shoconn[4], *cp;
-
- cp = shoconn;
- if (!(so.so_state & SS_CANTRCVMORE))
- *cp++ = '<';
- *cp++ = '-';
- if (!(so.so_state & SS_CANTSENDMORE))
- *cp++ = '>';
- *cp = '\0';
- printf(" %s %x", shoconn,
- (int)unpcb.unp_conn);
- }
- }
- break;
- default:
- /* print protocol number and socket address */
- printf(" %d %x", proto.pr_protocol, (int)sock);
- }
- printf("\n");
- return;
- bad:
- printf("* error\n");
- }
-
- /*
- * getinetproto --
- * print name of protocol number
- */
- void
- getinetproto(number)
- int number;
- {
- char *cp;
-
- switch(number) {
- case IPPROTO_IP:
- cp = "ip"; break;
- case IPPROTO_ICMP:
- cp ="icmp"; break;
- case IPPROTO_GGP:
- cp ="ggp"; break;
- case IPPROTO_TCP:
- cp ="tcp"; break;
- case IPPROTO_EGP:
- cp ="egp"; break;
- case IPPROTO_PUP:
- cp ="pup"; break;
- case IPPROTO_UDP:
- cp ="udp"; break;
- case IPPROTO_IDP:
- cp ="idp"; break;
- case IPPROTO_RAW:
- cp ="raw"; break;
- default:
- printf(" %d", number);
- return;
- }
- printf(" %s", cp);
- }
-
- getfname(filename)
- char *filename;
- {
- struct stat statbuf;
- DEVS *cur;
-
- if (stat(filename, &statbuf)) {
- fprintf(stderr, "fstat: %s: %s\n", strerror(errno),
- filename);
- return(0);
- }
- if ((cur = malloc(sizeof(DEVS))) == NULL) {
- fprintf(stderr, "fstat: %s\n", strerror(errno));
- exit(1);
- }
- cur->next = devs;
- devs = cur;
-
- cur->ino = statbuf.st_ino;
- cur->fsid = statbuf.st_dev & 0xffff;
- cur->name = filename;
- return(1);
- }
-
- void
- usage()
- {
- (void)fprintf(stderr,
- "usage: fstat [-fnv] [-p pid] [-u user] [-N system] [-M core] [file ...]\n");
- exit(1);
- }
-