1372 lines
32 KiB
C
1372 lines
32 KiB
C
/*-
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1988, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)kdump.c 8.1 (Berkeley) 6/6/93";
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#endif
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#endif /* not lint */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#define _KERNEL
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extern int errno;
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#include <sys/errno.h>
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#undef _KERNEL
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#include <sys/param.h>
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#include <sys/errno.h>
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#define _KERNEL
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#include <sys/time.h>
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#undef _KERNEL
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#include <sys/uio.h>
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#include <sys/ktrace.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/un.h>
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#ifdef IPX
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#include <sys/types.h>
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#include <netipx/ipx.h>
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#endif
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#ifdef NETATALK
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#include <netatalk/at.h>
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#endif
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <ctype.h>
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#include <dlfcn.h>
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#include <err.h>
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#include <grp.h>
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#include <inttypes.h>
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#include <locale.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <vis.h>
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#include "ktrace.h"
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#include "kdump_subr.h"
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int fread_tail(void *, int, int);
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void dumpheader(struct ktr_header *);
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void ktrsyscall(struct ktr_syscall *);
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void ktrsysret(struct ktr_sysret *);
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void ktrnamei(char *, int);
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void hexdump(char *, int, int);
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void visdump(char *, int, int);
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void ktrgenio(struct ktr_genio *, int);
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void ktrpsig(struct ktr_psig *);
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void ktrcsw(struct ktr_csw *);
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void ktruser(int, unsigned char *);
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void ktrsockaddr(struct sockaddr *);
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void ktrstat(struct stat *);
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void ktrstruct(char *, size_t);
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void usage(void);
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void sockfamilyname(int);
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const char *ioctlname(u_long);
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int timestamp, decimal, fancy = 1, suppressdata, tail, threads, maxdata,
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resolv = 0;
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const char *tracefile = DEF_TRACEFILE;
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struct ktr_header ktr_header;
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#define TIME_FORMAT "%b %e %T %Y"
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#define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
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int
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main(int argc, char *argv[])
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{
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int ch, ktrlen, size;
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void *m;
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int trpoints = ALL_POINTS;
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int drop_logged;
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pid_t pid = 0;
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(void) setlocale(LC_CTYPE, "");
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while ((ch = getopt(argc,argv,"f:dElm:np:HRrsTt:")) != -1)
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switch((char)ch) {
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case 'f':
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tracefile = optarg;
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break;
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case 'd':
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decimal = 1;
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break;
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case 'l':
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tail = 1;
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break;
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case 'm':
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maxdata = atoi(optarg);
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break;
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case 'n':
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fancy = 0;
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break;
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case 'p':
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pid = atoi(optarg);
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break;
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case 'r':
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resolv = 1;
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break;
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case 's':
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suppressdata = 1;
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break;
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case 'E':
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timestamp = 3; /* elapsed timestamp */
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break;
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case 'H':
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threads = 1;
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break;
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case 'R':
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timestamp = 2; /* relative timestamp */
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break;
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case 'T':
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timestamp = 1;
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break;
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case 't':
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trpoints = getpoints(optarg);
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if (trpoints < 0)
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errx(1, "unknown trace point in %s", optarg);
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break;
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default:
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usage();
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}
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if (argc > optind)
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usage();
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m = (void *)malloc(size = 1025);
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if (m == NULL)
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errx(1, "%s", strerror(ENOMEM));
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if (!freopen(tracefile, "r", stdin))
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err(1, "%s", tracefile);
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drop_logged = 0;
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while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
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if (ktr_header.ktr_type & KTR_DROP) {
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ktr_header.ktr_type &= ~KTR_DROP;
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if (!drop_logged && threads) {
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(void)printf("%6d %6d %-8.*s Events dropped.\n",
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ktr_header.ktr_pid, ktr_header.ktr_tid >
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0 ? ktr_header.ktr_tid : 0, MAXCOMLEN,
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ktr_header.ktr_comm);
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drop_logged = 1;
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} else if (!drop_logged) {
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(void)printf("%6d %-8.*s Events dropped.\n",
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ktr_header.ktr_pid, MAXCOMLEN,
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ktr_header.ktr_comm);
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drop_logged = 1;
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}
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}
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if (trpoints & (1<<ktr_header.ktr_type))
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if (pid == 0 || ktr_header.ktr_pid == pid)
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dumpheader(&ktr_header);
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if ((ktrlen = ktr_header.ktr_len) < 0)
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errx(1, "bogus length 0x%x", ktrlen);
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if (ktrlen > size) {
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m = (void *)realloc(m, ktrlen+1);
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if (m == NULL)
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errx(1, "%s", strerror(ENOMEM));
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size = ktrlen;
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}
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if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
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errx(1, "data too short");
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if (pid && ktr_header.ktr_pid != pid)
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continue;
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if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
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continue;
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drop_logged = 0;
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switch (ktr_header.ktr_type) {
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case KTR_SYSCALL:
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ktrsyscall((struct ktr_syscall *)m);
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break;
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case KTR_SYSRET:
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ktrsysret((struct ktr_sysret *)m);
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break;
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case KTR_NAMEI:
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case KTR_SYSCTL:
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ktrnamei(m, ktrlen);
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break;
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case KTR_GENIO:
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ktrgenio((struct ktr_genio *)m, ktrlen);
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break;
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case KTR_PSIG:
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ktrpsig((struct ktr_psig *)m);
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break;
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case KTR_CSW:
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ktrcsw((struct ktr_csw *)m);
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break;
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case KTR_USER:
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ktruser(ktrlen, m);
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break;
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case KTR_STRUCT:
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ktrstruct(m, ktrlen);
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break;
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default:
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printf("\n");
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break;
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}
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if (tail)
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(void)fflush(stdout);
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}
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return 0;
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}
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int
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fread_tail(void *buf, int size, int num)
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{
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int i;
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while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
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(void)sleep(1);
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clearerr(stdin);
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}
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return (i);
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}
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void
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dumpheader(struct ktr_header *kth)
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{
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static char unknown[64];
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static struct timeval prevtime, temp;
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const char *type;
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switch (kth->ktr_type) {
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case KTR_SYSCALL:
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type = "CALL";
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break;
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case KTR_SYSRET:
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type = "RET ";
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break;
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case KTR_NAMEI:
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type = "NAMI";
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break;
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case KTR_GENIO:
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type = "GIO ";
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break;
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case KTR_PSIG:
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type = "PSIG";
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break;
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case KTR_CSW:
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type = "CSW ";
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break;
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case KTR_USER:
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type = "USER";
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break;
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case KTR_STRUCT:
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type = "STRU";
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break;
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case KTR_SYSCTL:
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type = "SCTL";
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break;
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default:
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(void)sprintf(unknown, "UNKNOWN(%d)", kth->ktr_type);
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type = unknown;
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}
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/*
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* The ktr_tid field was previously the ktr_buffer field, which held
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* the kernel pointer value for the buffer associated with data
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* following the record header. It now holds a threadid, but only
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* for trace files after the change. Older trace files still contain
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* kernel pointers. Detect this and suppress the results by printing
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* negative tid's as 0.
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*/
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if (threads)
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(void)printf("%6d %6d %-8.*s ", kth->ktr_pid, kth->ktr_tid >
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0 ? kth->ktr_tid : 0, MAXCOMLEN, kth->ktr_comm);
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else
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(void)printf("%6d %-8.*s ", kth->ktr_pid, MAXCOMLEN,
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kth->ktr_comm);
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if (timestamp) {
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if (timestamp == 3) {
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if (prevtime.tv_sec == 0)
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prevtime = kth->ktr_time;
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timevalsub(&kth->ktr_time, &prevtime);
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}
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if (timestamp == 2) {
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temp = kth->ktr_time;
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timevalsub(&kth->ktr_time, &prevtime);
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prevtime = temp;
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}
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(void)printf("%ld.%06ld ",
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kth->ktr_time.tv_sec, kth->ktr_time.tv_usec);
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}
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(void)printf("%s ", type);
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}
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#include <sys/syscall.h>
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#define KTRACE
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#include <sys/kern/syscalls.c>
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#undef KTRACE
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int nsyscalls = sizeof (syscallnames) / sizeof (syscallnames[0]);
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void
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ktrsyscall(struct ktr_syscall *ktr)
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{
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int narg = ktr->ktr_narg;
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register_t *ip;
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if (ktr->ktr_code >= nsyscalls || ktr->ktr_code < 0)
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(void)printf("[%d]", ktr->ktr_code);
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else
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(void)printf("%s", syscallnames[ktr->ktr_code]);
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ip = &ktr->ktr_args[0];
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if (narg) {
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char c = '(';
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if (fancy) {
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#define print_number(i,n,c) do { \
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if (decimal) \
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(void)printf("%c%ld", c, (long)*i); \
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else \
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(void)printf("%c%#lx", c, (long)*i); \
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i++; \
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n--; \
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c = ','; \
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} while (0);
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if (ktr->ktr_code == SYS_ioctl) {
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const char *cp;
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print_number(ip,narg,c);
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if ((cp = ioctlname(*ip)) != NULL)
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(void)printf(",%s", cp);
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else {
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if (decimal)
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(void)printf(",%ld", (long)*ip);
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else
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(void)printf(",%#lx ", (long)*ip);
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}
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c = ',';
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ip++;
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narg--;
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} else if (ktr->ktr_code == SYS_ptrace) {
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(void)putchar('(');
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ptraceopname ((int)*ip);
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c = ',';
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ip++;
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narg--;
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} else if (ktr->ktr_code == SYS_access ||
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ktr->ktr_code == SYS_eaccess) {
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print_number(ip,narg,c);
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(void)putchar(',');
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accessmodename ((int)*ip);
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ip++;
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narg--;
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} else if (ktr->ktr_code == SYS_open) {
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int flags;
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int mode;
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print_number(ip,narg,c);
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flags = *ip;
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mode = *++ip;
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(void)putchar(',');
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flagsandmodename (flags, mode, decimal);
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ip++;
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narg-=2;
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} else if (ktr->ktr_code == SYS_wait4) {
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print_number(ip,narg,c);
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print_number(ip,narg,c);
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(void)putchar(',');
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wait4optname ((int)*ip);
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ip++;
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narg--;
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} else if (ktr->ktr_code == SYS_chmod ||
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ktr->ktr_code == SYS_fchmod ||
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ktr->ktr_code == SYS_lchmod) {
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print_number(ip,narg,c);
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(void)putchar(',');
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modename ((int)*ip);
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ip++;
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narg--;
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} else if (ktr->ktr_code == SYS_mknod) {
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print_number(ip,narg,c);
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(void)putchar(',');
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modename ((int)*ip);
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ip++;
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narg--;
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} else if (ktr->ktr_code == SYS_getfsstat) {
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print_number(ip,narg,c);
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|
print_number(ip,narg,c);
|
|
(void)putchar(',');
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|
getfsstatflagsname ((int)*ip);
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ip++;
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|
narg--;
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|
} else if (ktr->ktr_code == SYS_mount) {
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|
print_number(ip,narg,c);
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|
print_number(ip,narg,c);
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|
(void)putchar(',');
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|
mountflagsname ((int)*ip);
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ip++;
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|
narg--;
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} else if (ktr->ktr_code == SYS_unmount) {
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|
print_number(ip,narg,c);
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|
(void)putchar(',');
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|
mountflagsname ((int)*ip);
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|
ip++;
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|
narg--;
|
|
} else if (ktr->ktr_code == SYS_recvmsg ||
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|
ktr->ktr_code == SYS_sendmsg) {
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|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
sendrecvflagsname ((int)*ip);
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|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_recvfrom ||
|
|
ktr->ktr_code == SYS_sendto) {
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|
print_number(ip,narg,c);
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|
print_number(ip,narg,c);
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|
print_number(ip,narg,c);
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|
(void)putchar(',');
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|
sendrecvflagsname ((int)*ip);
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|
ip++;
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|
narg--;
|
|
} else if (ktr->ktr_code == SYS_chflags ||
|
|
ktr->ktr_code == SYS_fchflags ||
|
|
ktr->ktr_code == SYS_lchflags) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
modename((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_kill) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
signame((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_reboot) {
|
|
(void)putchar('(');
|
|
rebootoptname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_umask) {
|
|
(void)putchar('(');
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|
modename((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_msync) {
|
|
print_number(ip,narg,c);
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|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
msyncflagsname((int)*ip);
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|
ip++;
|
|
narg--;
|
|
#ifdef SYS_freebsd6_mmap
|
|
} else if (ktr->ktr_code == SYS_freebsd6_mmap) {
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
mmapprotname ((int)*ip);
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|
(void)putchar(',');
|
|
ip++;
|
|
narg--;
|
|
mmapflagsname ((int)*ip);
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|
ip++;
|
|
narg--;
|
|
#endif
|
|
} else if (ktr->ktr_code == SYS_mmap) {
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
mmapprotname ((int)*ip);
|
|
(void)putchar(',');
|
|
ip++;
|
|
narg--;
|
|
mmapflagsname ((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_mprotect) {
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
mmapprotname ((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_madvise) {
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
madvisebehavname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_setpriority) {
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
prioname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_fcntl) {
|
|
int cmd;
|
|
int arg;
|
|
print_number(ip,narg,c);
|
|
cmd = *ip;
|
|
arg = *++ip;
|
|
(void)putchar(',');
|
|
fcntlcmdname(cmd, arg, decimal);
|
|
ip++;
|
|
narg-=2;
|
|
} else if (ktr->ktr_code == SYS_socket) {
|
|
int sockdomain;
|
|
(void)putchar('(');
|
|
sockdomain=(int)*ip;
|
|
sockdomainname(sockdomain);
|
|
ip++;
|
|
narg--;
|
|
(void)putchar(',');
|
|
socktypename((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
if (sockdomain == PF_INET ||
|
|
sockdomain == PF_INET6) {
|
|
(void)putchar(',');
|
|
sockipprotoname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
}
|
|
c = ',';
|
|
} else if (ktr->ktr_code == SYS_setsockopt ||
|
|
ktr->ktr_code == SYS_getsockopt) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
sockoptlevelname((int)*ip, decimal);
|
|
if ((int)*ip == SOL_SOCKET) {
|
|
ip++;
|
|
narg--;
|
|
(void)putchar(',');
|
|
sockoptname((int)*ip);
|
|
}
|
|
ip++;
|
|
narg--;
|
|
#ifdef SYS_freebsd6_lseek
|
|
} else if (ktr->ktr_code == SYS_freebsd6_lseek) {
|
|
print_number(ip,narg,c);
|
|
/* Hidden 'pad' argument, not in lseek(2) */
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
whencename ((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
#endif
|
|
} else if (ktr->ktr_code == SYS_lseek) {
|
|
print_number(ip,narg,c);
|
|
/* Hidden 'pad' argument, not in lseek(2) */
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
whencename ((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
|
|
} else if (ktr->ktr_code == SYS_flock) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
flockname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_mkfifo ||
|
|
ktr->ktr_code == SYS_mkdir) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
modename((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_shutdown) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
shutdownhowname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_socketpair) {
|
|
(void)putchar('(');
|
|
sockdomainname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
(void)putchar(',');
|
|
socktypename((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
} else if (ktr->ktr_code == SYS_getrlimit ||
|
|
ktr->ktr_code == SYS_setrlimit) {
|
|
(void)putchar('(');
|
|
rlimitname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
} else if (ktr->ktr_code == SYS_quotactl) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
quotactlname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
} else if (ktr->ktr_code == SYS_nfssvc) {
|
|
(void)putchar('(');
|
|
nfssvcname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
} else if (ktr->ktr_code == SYS_rtprio) {
|
|
(void)putchar('(');
|
|
rtprioname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
} else if (ktr->ktr_code == SYS___semctl) {
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
semctlname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_semget) {
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
semgetname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_msgctl) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
shmctlname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_shmat) {
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
shmatname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_shmctl) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
shmctlname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_minherit) {
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
minheritname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_rfork) {
|
|
(void)putchar('(');
|
|
rforkname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
} else if (ktr->ktr_code == SYS_lio_listio) {
|
|
(void)putchar('(');
|
|
lio_listioname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
} else if (ktr->ktr_code == SYS_mlockall) {
|
|
(void)putchar('(');
|
|
mlockallname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_sched_setscheduler) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
schedpolicyname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_sched_get_priority_max ||
|
|
ktr->ktr_code == SYS_sched_get_priority_min) {
|
|
(void)putchar('(');
|
|
schedpolicyname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_sendfile) {
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
sendfileflagsname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_kldsym) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
kldsymcmdname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_sigprocmask) {
|
|
(void)putchar('(');
|
|
sigprocmaskhowname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
} else if (ktr->ktr_code == SYS___acl_get_file ||
|
|
ktr->ktr_code == SYS___acl_set_file ||
|
|
ktr->ktr_code == SYS___acl_get_fd ||
|
|
ktr->ktr_code == SYS___acl_set_fd ||
|
|
ktr->ktr_code == SYS___acl_delete_file ||
|
|
ktr->ktr_code == SYS___acl_delete_fd ||
|
|
ktr->ktr_code == SYS___acl_aclcheck_file ||
|
|
ktr->ktr_code == SYS___acl_aclcheck_fd ||
|
|
ktr->ktr_code == SYS___acl_get_link ||
|
|
ktr->ktr_code == SYS___acl_set_link ||
|
|
ktr->ktr_code == SYS___acl_delete_link ||
|
|
ktr->ktr_code == SYS___acl_aclcheck_link) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
acltypename((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_sigaction) {
|
|
(void)putchar('(');
|
|
signame((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
c = ',';
|
|
} else if (ktr->ktr_code == SYS_extattrctl) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
extattrctlname((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_nmount) {
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
mountflagsname ((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_thr_create) {
|
|
print_number(ip,narg,c);
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
thrcreateflagsname ((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_thr_kill) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
signame ((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
} else if (ktr->ktr_code == SYS_kldunloadf) {
|
|
print_number(ip,narg,c);
|
|
(void)putchar(',');
|
|
kldunloadfflagsname ((int)*ip);
|
|
ip++;
|
|
narg--;
|
|
}
|
|
}
|
|
while (narg) {
|
|
print_number(ip,narg,c);
|
|
}
|
|
(void)putchar(')');
|
|
}
|
|
(void)putchar('\n');
|
|
}
|
|
|
|
void
|
|
ktrsysret(struct ktr_sysret *ktr)
|
|
{
|
|
register_t ret = ktr->ktr_retval;
|
|
int error = ktr->ktr_error;
|
|
int code = ktr->ktr_code;
|
|
|
|
if (code >= nsyscalls || code < 0)
|
|
(void)printf("[%d] ", code);
|
|
else
|
|
(void)printf("%s ", syscallnames[code]);
|
|
|
|
if (error == 0) {
|
|
if (fancy) {
|
|
(void)printf("%d", ret);
|
|
if (ret < 0 || ret > 9)
|
|
(void)printf("/%#lx", (long)ret);
|
|
} else {
|
|
if (decimal)
|
|
(void)printf("%ld", (long)ret);
|
|
else
|
|
(void)printf("%#lx", (long)ret);
|
|
}
|
|
} else if (error == ERESTART)
|
|
(void)printf("RESTART");
|
|
else if (error == EJUSTRETURN)
|
|
(void)printf("JUSTRETURN");
|
|
else {
|
|
(void)printf("-1 errno %d", ktr->ktr_error);
|
|
if (fancy)
|
|
(void)printf(" %s", strerror(ktr->ktr_error));
|
|
}
|
|
(void)putchar('\n');
|
|
}
|
|
|
|
void
|
|
ktrnamei(char *cp, int len)
|
|
{
|
|
(void)printf("\"%.*s\"\n", len, cp);
|
|
}
|
|
|
|
void
|
|
hexdump(char *p, int len, int screenwidth)
|
|
{
|
|
int n, i;
|
|
int width;
|
|
|
|
width = 0;
|
|
do {
|
|
width += 2;
|
|
i = 13; /* base offset */
|
|
i += (width / 2) + 1; /* spaces every second byte */
|
|
i += (width * 2); /* width of bytes */
|
|
i += 3; /* " |" */
|
|
i += width; /* each byte */
|
|
i += 1; /* "|" */
|
|
} while (i < screenwidth);
|
|
width -= 2;
|
|
|
|
for (n = 0; n < len; n += width) {
|
|
for (i = n; i < n + width; i++) {
|
|
if ((i % width) == 0) { /* beginning of line */
|
|
printf(" 0x%04x", i);
|
|
}
|
|
if ((i % 2) == 0) {
|
|
printf(" ");
|
|
}
|
|
if (i < len)
|
|
printf("%02x", p[i] & 0xff);
|
|
else
|
|
printf(" ");
|
|
}
|
|
printf(" |");
|
|
for (i = n; i < n + width; i++) {
|
|
if (i >= len)
|
|
break;
|
|
if (p[i] >= ' ' && p[i] <= '~')
|
|
printf("%c", p[i]);
|
|
else
|
|
printf(".");
|
|
}
|
|
printf("|\n");
|
|
}
|
|
if ((i % width) != 0)
|
|
printf("\n");
|
|
}
|
|
|
|
void
|
|
visdump(char *dp, int datalen, int screenwidth)
|
|
{
|
|
int col = 0;
|
|
char *cp;
|
|
int width;
|
|
char visbuf[5];
|
|
|
|
(void)printf(" \"");
|
|
col = 8;
|
|
for (;datalen > 0; datalen--, dp++) {
|
|
(void) vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
|
|
cp = visbuf;
|
|
/*
|
|
* Keep track of printables and
|
|
* space chars (like fold(1)).
|
|
*/
|
|
if (col == 0) {
|
|
(void)putchar('\t');
|
|
col = 8;
|
|
}
|
|
switch(*cp) {
|
|
case '\n':
|
|
col = 0;
|
|
(void)putchar('\n');
|
|
continue;
|
|
case '\t':
|
|
width = 8 - (col&07);
|
|
break;
|
|
default:
|
|
width = strlen(cp);
|
|
}
|
|
if (col + width > (screenwidth-2)) {
|
|
(void)printf("\\\n\t");
|
|
col = 8;
|
|
}
|
|
col += width;
|
|
do {
|
|
(void)putchar(*cp++);
|
|
} while (*cp);
|
|
}
|
|
if (col == 0)
|
|
(void)printf(" ");
|
|
(void)printf("\"\n");
|
|
}
|
|
|
|
void
|
|
ktrgenio(struct ktr_genio *ktr, int len)
|
|
{
|
|
int datalen = len - sizeof (struct ktr_genio);
|
|
char *dp = (char *)ktr + sizeof (struct ktr_genio);
|
|
static int screenwidth = 0;
|
|
int i, binary;
|
|
|
|
if (screenwidth == 0) {
|
|
struct winsize ws;
|
|
|
|
if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
|
|
ws.ws_col > 8)
|
|
screenwidth = ws.ws_col;
|
|
else
|
|
screenwidth = 80;
|
|
}
|
|
printf("fd %d %s %d byte%s\n", ktr->ktr_fd,
|
|
ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen,
|
|
datalen == 1 ? "" : "s");
|
|
if (suppressdata)
|
|
return;
|
|
if (maxdata && datalen > maxdata)
|
|
datalen = maxdata;
|
|
|
|
for (i = 0, binary = 0; i < datalen && binary == 0; i++) {
|
|
if (dp[i] >= 32 && dp[i] < 127)
|
|
continue;
|
|
if (dp[i] == 10 || dp[i] == 13 || dp[i] == 0 || dp[i] == 9)
|
|
continue;
|
|
binary = 1;
|
|
}
|
|
if (binary)
|
|
hexdump(dp, datalen, screenwidth);
|
|
else
|
|
visdump(dp, datalen, screenwidth);
|
|
}
|
|
|
|
const char *signames[] = {
|
|
"NULL", "HUP", "INT", "QUIT", "ILL", "TRAP", "IOT", /* 1 - 6 */
|
|
"EMT", "FPE", "KILL", "BUS", "SEGV", "SYS", /* 7 - 12 */
|
|
"PIPE", "ALRM", "TERM", "URG", "STOP", "TSTP", /* 13 - 18 */
|
|
"CONT", "CHLD", "TTIN", "TTOU", "IO", "XCPU", /* 19 - 24 */
|
|
"XFSZ", "VTALRM", "PROF", "WINCH", "29", "USR1", /* 25 - 30 */
|
|
"USR2", NULL, /* 31 - 32 */
|
|
};
|
|
|
|
void
|
|
ktrpsig(struct ktr_psig *psig)
|
|
{
|
|
if (psig->signo > 0 && psig->signo < NSIG)
|
|
(void)printf("SIG%s ", signames[psig->signo]);
|
|
else
|
|
(void)printf("SIG %d ", psig->signo);
|
|
if (psig->action == SIG_DFL)
|
|
(void)printf("SIG_DFL\n");
|
|
else {
|
|
(void)printf("caught handler=0x%lx mask=0x%x code=0x%x\n",
|
|
(u_long)psig->action, psig->mask.__bits[0], psig->code);
|
|
}
|
|
}
|
|
|
|
void
|
|
ktrcsw(struct ktr_csw *cs)
|
|
{
|
|
(void)printf("%s %s\n", cs->out ? "stop" : "resume",
|
|
cs->user ? "user" : "kernel");
|
|
}
|
|
|
|
#define UTRACE_DLOPEN_START 1
|
|
#define UTRACE_DLOPEN_STOP 2
|
|
#define UTRACE_DLCLOSE_START 3
|
|
#define UTRACE_DLCLOSE_STOP 4
|
|
#define UTRACE_LOAD_OBJECT 5
|
|
#define UTRACE_UNLOAD_OBJECT 6
|
|
#define UTRACE_ADD_RUNDEP 7
|
|
#define UTRACE_PRELOAD_FINISHED 8
|
|
#define UTRACE_INIT_CALL 9
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|
#define UTRACE_FINI_CALL 10
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|
|
|
struct utrace_rtld {
|
|
char sig[4]; /* 'RTLD' */
|
|
int event;
|
|
void *handle;
|
|
void *mapbase;
|
|
size_t mapsize;
|
|
int refcnt;
|
|
char name[MAXPATHLEN];
|
|
};
|
|
|
|
void
|
|
ktruser_rtld(int len, unsigned char *p)
|
|
{
|
|
struct utrace_rtld *ut = (struct utrace_rtld *)p;
|
|
void *parent;
|
|
int mode;
|
|
|
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switch (ut->event) {
|
|
case UTRACE_DLOPEN_START:
|
|
mode = ut->refcnt;
|
|
printf("dlopen(%s, ", ut->name);
|
|
switch (mode & RTLD_MODEMASK) {
|
|
case RTLD_NOW:
|
|
printf("RTLD_NOW");
|
|
break;
|
|
case RTLD_LAZY:
|
|
printf("RTLD_LAZY");
|
|
break;
|
|
default:
|
|
printf("%#x", mode & RTLD_MODEMASK);
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|
}
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if (mode & RTLD_GLOBAL)
|
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printf(" | RTLD_GLOBAL");
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if (mode & RTLD_TRACE)
|
|
printf(" | RTLD_TRACE");
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if (mode & ~(RTLD_MODEMASK | RTLD_GLOBAL | RTLD_TRACE))
|
|
printf(" | %#x", mode &
|
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~(RTLD_MODEMASK | RTLD_GLOBAL | RTLD_TRACE));
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printf(")\n");
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|
break;
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case UTRACE_DLOPEN_STOP:
|
|
printf("%p = dlopen(%s) ref %d\n", ut->handle, ut->name,
|
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ut->refcnt);
|
|
break;
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case UTRACE_DLCLOSE_START:
|
|
printf("dlclose(%p) (%s, %d)\n", ut->handle, ut->name,
|
|
ut->refcnt);
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|
break;
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case UTRACE_DLCLOSE_STOP:
|
|
printf("dlclose(%p) finished\n", ut->handle);
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|
break;
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case UTRACE_LOAD_OBJECT:
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|
printf("RTLD: loaded %p @ %p - %p (%s)\n", ut->handle,
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|
ut->mapbase, (char *)ut->mapbase + ut->mapsize - 1,
|
|
ut->name);
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|
break;
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|
case UTRACE_UNLOAD_OBJECT:
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|
printf("RTLD: unloaded %p @ %p - %p (%s)\n", ut->handle,
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ut->mapbase, (char *)ut->mapbase + ut->mapsize - 1,
|
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ut->name);
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|
break;
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|
case UTRACE_ADD_RUNDEP:
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|
parent = ut->mapbase;
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|
printf("RTLD: %p now depends on %p (%s, %d)\n", parent,
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ut->handle, ut->name, ut->refcnt);
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break;
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case UTRACE_PRELOAD_FINISHED:
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|
printf("RTLD: LD_PRELOAD finished\n");
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|
break;
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case UTRACE_INIT_CALL:
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|
printf("RTLD: init %p for %p (%s)\n", ut->mapbase, ut->handle,
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ut->name);
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break;
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case UTRACE_FINI_CALL:
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printf("RTLD: fini %p for %p (%s)\n", ut->mapbase, ut->handle,
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ut->name);
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break;
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default:
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p += 4;
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len -= 4;
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printf("RTLD: %d ", len);
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while (len--)
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if (decimal)
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printf(" %d", *p++);
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else
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printf(" %02x", *p++);
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printf("\n");
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}
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}
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struct utrace_malloc {
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void *p;
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size_t s;
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void *r;
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};
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void
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ktruser_malloc(int len, unsigned char *p)
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{
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struct utrace_malloc *ut = (struct utrace_malloc *)p;
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|
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if (ut->p == NULL) {
|
|
if (ut->s == 0 && ut->r == NULL)
|
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printf("malloc_init()\n");
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|
else
|
|
printf("%p = malloc(%zu)\n", ut->r, ut->s);
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} else {
|
|
if (ut->s == 0)
|
|
printf("free(%p)\n", ut->p);
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|
else
|
|
printf("%p = realloc(%p, %zu)\n", ut->r, ut->p, ut->s);
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|
}
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|
}
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|
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void
|
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ktruser(int len, unsigned char *p)
|
|
{
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|
|
|
if (len >= 8 && bcmp(p, "RTLD", 4) == 0) {
|
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ktruser_rtld(len, p);
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return;
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|
}
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|
|
|
if (len == sizeof(struct utrace_malloc)) {
|
|
ktruser_malloc(len, p);
|
|
return;
|
|
}
|
|
|
|
(void)printf("%d ", len);
|
|
while (len--)
|
|
if (decimal)
|
|
(void)printf(" %d", *p++);
|
|
else
|
|
(void)printf(" %02x", *p++);
|
|
(void)printf("\n");
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|
}
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|
|
|
void
|
|
ktrsockaddr(struct sockaddr *sa)
|
|
{
|
|
/*
|
|
TODO: Support additional address families
|
|
#include <netnatm/natm.h>
|
|
struct sockaddr_natm *natm;
|
|
#include <netsmb/netbios.h>
|
|
struct sockaddr_nb *nb;
|
|
*/
|
|
char addr[64];
|
|
|
|
/*
|
|
* note: ktrstruct() has already verified that sa points to a
|
|
* buffer at least sizeof(struct sockaddr) bytes long and exactly
|
|
* sa->sa_len bytes long.
|
|
*/
|
|
printf("struct sockaddr { ");
|
|
sockfamilyname(sa->sa_family);
|
|
printf(", ");
|
|
|
|
#define check_sockaddr_len(n) \
|
|
if (sa_##n->s##n##_len < sizeof(struct sockaddr_##n)) { \
|
|
printf("invalid"); \
|
|
break; \
|
|
}
|
|
|
|
switch(sa->sa_family) {
|
|
case AF_INET: {
|
|
struct sockaddr_in *sa_in;
|
|
|
|
sa_in = (struct sockaddr_in *)sa;
|
|
check_sockaddr_len(in);
|
|
inet_ntop(AF_INET, &sa_in->sin_addr, addr, sizeof addr);
|
|
printf("%s:%u", addr, ntohs(sa_in->sin_port));
|
|
break;
|
|
}
|
|
#ifdef NETATALK
|
|
case AF_APPLETALK: {
|
|
struct sockaddr_at *sa_at;
|
|
struct netrange *nr;
|
|
|
|
sa_at = (struct sockaddr_at *)sa;
|
|
check_sockaddr_len(at);
|
|
nr = &sa_at->sat_range.r_netrange;
|
|
printf("%d.%d, %d-%d, %d", ntohs(sa_at->sat_addr.s_net),
|
|
sa_at->sat_addr.s_node, ntohs(nr->nr_firstnet),
|
|
ntohs(nr->nr_lastnet), nr->nr_phase);
|
|
break;
|
|
}
|
|
#endif
|
|
case AF_INET6: {
|
|
struct sockaddr_in6 *sa_in6;
|
|
|
|
sa_in6 = (struct sockaddr_in6 *)sa;
|
|
check_sockaddr_len(in6);
|
|
inet_ntop(AF_INET6, &sa_in6->sin6_addr, addr, sizeof addr);
|
|
printf("[%s]:%u", addr, htons(sa_in6->sin6_port));
|
|
break;
|
|
}
|
|
#ifdef IPX
|
|
case AF_IPX: {
|
|
struct sockaddr_ipx *sa_ipx;
|
|
|
|
sa_ipx = (struct sockaddr_ipx *)sa;
|
|
check_sockaddr_len(ipx);
|
|
/* XXX wish we had ipx_ntop */
|
|
printf("%s", ipx_ntoa(sa_ipx->sipx_addr));
|
|
break;
|
|
}
|
|
#endif
|
|
case AF_UNIX: {
|
|
struct sockaddr_un *sa_un;
|
|
|
|
sa_un = (struct sockaddr_un *)sa;
|
|
check_sockaddr_len(un);
|
|
printf("%.*s", (int)sizeof(sa_un->sun_path), sa_un->sun_path);
|
|
break;
|
|
}
|
|
default:
|
|
printf("unknown address family");
|
|
}
|
|
printf(" }\n");
|
|
}
|
|
|
|
void
|
|
ktrstat(struct stat *statp)
|
|
{
|
|
char mode[12], timestr[PATH_MAX + 4];
|
|
struct passwd *pwd;
|
|
struct group *grp;
|
|
struct tm *tm;
|
|
|
|
/*
|
|
* note: ktrstruct() has already verified that statp points to a
|
|
* buffer exactly sizeof(struct stat) bytes long.
|
|
*/
|
|
printf("struct stat {");
|
|
strmode(statp->st_mode, mode);
|
|
printf("dev=%ju, ino=%ju, mode=%s, nlink=%ju, ",
|
|
(uintmax_t)statp->st_dev, (uintmax_t)statp->st_ino, mode,
|
|
(uintmax_t)statp->st_nlink);
|
|
if (resolv == 0 || (pwd = getpwuid(statp->st_uid)) == NULL)
|
|
printf("uid=%ju, ", (uintmax_t)statp->st_uid);
|
|
else
|
|
printf("uid=\"%s\", ", pwd->pw_name);
|
|
if (resolv == 0 || (grp = getgrgid(statp->st_gid)) == NULL)
|
|
printf("gid=%ju, ", (uintmax_t)statp->st_gid);
|
|
else
|
|
printf("gid=\"%s\", ", grp->gr_name);
|
|
printf("rdev=%ju, ", (uintmax_t)statp->st_rdev);
|
|
printf("atime=");
|
|
if (resolv == 0)
|
|
printf("%ld", statp->st_atimespec.tv_sec);
|
|
else {
|
|
tm = localtime(&statp->st_atimespec.tv_sec);
|
|
(void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
|
|
printf("\"%s\"", timestr);
|
|
}
|
|
if (statp->st_atimespec.tv_nsec != 0)
|
|
printf(".%09ld, ", statp->st_atimespec.tv_nsec);
|
|
else
|
|
printf(", ");
|
|
printf("stime=");
|
|
if (resolv == 0)
|
|
printf("%ld", statp->st_mtimespec.tv_sec);
|
|
else {
|
|
tm = localtime(&statp->st_mtimespec.tv_sec);
|
|
(void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
|
|
printf("\"%s\"", timestr);
|
|
}
|
|
if (statp->st_mtimespec.tv_nsec != 0)
|
|
printf(".%09ld, ", statp->st_mtimespec.tv_nsec);
|
|
else
|
|
printf(", ");
|
|
printf("ctime=");
|
|
if (resolv == 0)
|
|
printf("%ld", statp->st_ctimespec.tv_sec);
|
|
else {
|
|
tm = localtime(&statp->st_ctimespec.tv_sec);
|
|
(void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
|
|
printf("\"%s\"", timestr);
|
|
}
|
|
if (statp->st_ctimespec.tv_nsec != 0)
|
|
printf(".%09ld, ", statp->st_ctimespec.tv_nsec);
|
|
else
|
|
printf(", ");
|
|
printf("birthtime=");
|
|
if (resolv == 0)
|
|
printf("%ld", statp->st_birthtimespec.tv_sec);
|
|
else {
|
|
tm = localtime(&statp->st_birthtimespec.tv_sec);
|
|
(void)strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
|
|
printf("\"%s\"", timestr);
|
|
}
|
|
if (statp->st_birthtimespec.tv_nsec != 0)
|
|
printf(".%09ld, ", statp->st_birthtimespec.tv_nsec);
|
|
else
|
|
printf(", ");
|
|
printf("size=%jd, blksize=%ju, blocks=%jd, flags=0x%x",
|
|
(uintmax_t)statp->st_size, (uintmax_t)statp->st_blksize,
|
|
(intmax_t)statp->st_blocks, statp->st_flags);
|
|
printf(" }\n");
|
|
}
|
|
|
|
void
|
|
ktrstruct(char *buf, size_t buflen)
|
|
{
|
|
char *name, *data;
|
|
size_t namelen, datalen;
|
|
int i;
|
|
|
|
for (name = buf, namelen = 0;
|
|
namelen < buflen && name[namelen] != '\0';
|
|
++namelen)
|
|
/* nothing */;
|
|
if (namelen == buflen)
|
|
goto invalid;
|
|
if (name[namelen] != '\0')
|
|
goto invalid;
|
|
data = buf + namelen + 1;
|
|
datalen = buflen - namelen - 1;
|
|
if (datalen == 0)
|
|
goto invalid;
|
|
/* sanity check */
|
|
for (i = 0; i < namelen; ++i)
|
|
if (!isalpha((unsigned char)name[i]))
|
|
goto invalid;
|
|
if (strcmp(name, "stat") == 0) {
|
|
if (datalen != sizeof(struct stat))
|
|
goto invalid;
|
|
ktrstat((struct stat *)data);
|
|
} else if (strcmp(name, "sockaddr") == 0) {
|
|
if (datalen < sizeof(struct sockaddr) ||
|
|
datalen != ((struct sockaddr *)(data))->sa_len)
|
|
goto invalid;
|
|
ktrsockaddr((struct sockaddr *)data);
|
|
} else {
|
|
printf("unknown structure\n");
|
|
}
|
|
return;
|
|
invalid:
|
|
printf("invalid record\n");
|
|
}
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
fprintf(stderr, "usage: kdump [-dEnlHRrsT] [-f trfile] "
|
|
"[-m maxdata] [-p pid] [-t trstr]\n");
|
|
exit(1);
|
|
}
|