summaryrefslogtreecommitdiff
path: root/usr.bin
diff options
context:
space:
mode:
Diffstat (limited to 'usr.bin')
-rw-r--r--usr.bin/Makefile8
-rw-r--r--usr.bin/file/Makefile6
-rw-r--r--usr.bin/file/apprentice.c26
-rw-r--r--usr.bin/file/ascmagic.c18
-rw-r--r--usr.bin/file/compress.c3
-rw-r--r--usr.bin/file/file.189
-rw-r--r--usr.bin/file/file.c185
-rw-r--r--usr.bin/file/file.h36
-rw-r--r--usr.bin/file/fsmagic.c18
-rw-r--r--usr.bin/file/internat.c75
-rw-r--r--usr.bin/file/is_tar.c13
-rw-r--r--usr.bin/file/magdir/Localstuff3
-rw-r--r--usr.bin/file/magic.526
-rw-r--r--usr.bin/file/names.h28
-rw-r--r--usr.bin/file/patchlevel.h36
-rw-r--r--usr.bin/file/print.c11
-rw-r--r--usr.bin/file/readelf.c315
-rw-r--r--usr.bin/file/readelf.h168
-rw-r--r--usr.bin/file/softmagic.c119
-rw-r--r--usr.bin/file/tar.h3
-rw-r--r--usr.bin/fmt/fmt.18
-rw-r--r--usr.bin/rdist/os-openbsd.h4
22 files changed, 968 insertions, 230 deletions
diff --git a/usr.bin/Makefile b/usr.bin/Makefile
index ef002f7df87..b79d4e35edf 100644
--- a/usr.bin/Makefile
+++ b/usr.bin/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.37 1997/01/21 04:34:32 millert Exp $
+# $OpenBSD: Makefile,v 1.38 1997/02/09 23:58:12 millert Exp $
# $NetBSD: Makefile,v 1.62 1996/03/10 05:45:43 thorpej Exp $
# from: @(#)Makefile 5.8.1.1 (Berkeley) 5/8/91
@@ -11,9 +11,9 @@ SUBDIR= apply apropos arch asa at aucat awk banner basename bdes biff cal \
fold from fsplit fstat ftp gencat getconf getopt head hexdump id \
indent \
info_mkdb ipcrm ipcs join jot kdump ktrace lam last lastcomm leave \
- less lex lndir locate lock logger login logname look lorder m4 machine \
- mail make man mesg mk_cmds mkdep mkfifo mkstr mktemp modstat msgs nc \
- netstat newsyslog \
+ less lex lndir locate lock logger login.millert logname look lorder m4 \
+ machine mail make man mesg mk_cmds mkdep mkfifo mkstr mktemp modstat \
+ msgs nc netstat newsyslog \
nfsstat nice nohup oldrdist pagesize passwd paste patch pr printenv \
printf quota rdist rdistd renice rev rlogin rpcgen rpcinfo rs \
rsh rup ruptime rusers rwall rwho \
diff --git a/usr.bin/file/Makefile b/usr.bin/file/Makefile
index 436ed0e148a..705f59792cc 100644
--- a/usr.bin/file/Makefile
+++ b/usr.bin/file/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.5 1996/12/08 14:32:25 downsj Exp $
+# $OpenBSD: Makefile,v 1.6 1997/02/09 23:58:15 millert Exp $
MAGIC= /etc/magic
MAGICOWN= root
@@ -7,8 +7,8 @@ MAGICMODE= 444
PROG= file
SRCS= file.c apprentice.c fsmagic.c softmagic.c ascmagic.c is_tar.c \
- print.c compress.c
-CFLAGS+= -DMAGIC='"$(MAGIC)"'
+ print.c compress.c readelf.c internat.c
+CFLAGS+= -DMAGIC='"$(MAGIC)"' -DUSE_UTIMES
MAN= file.1 magic.5
CLEANFILES+= magic
diff --git a/usr.bin/file/apprentice.c b/usr.bin/file/apprentice.c
index c6311b8885c..8a5ccbec20f 100644
--- a/usr.bin/file/apprentice.c
+++ b/usr.bin/file/apprentice.c
@@ -1,4 +1,5 @@
-/* $OpenBSD: apprentice.c,v 1.3 1996/06/26 05:32:54 deraadt Exp $ */
+/* $OpenBSD: apprentice.c,v 1.4 1997/02/09 23:58:16 millert Exp $ */
+
/*
* apprentice - make one pass through /etc/magic, learning its secrets.
*
@@ -34,7 +35,7 @@
#include "file.h"
#ifndef lint
-static char *moduleid = "$OpenBSD: apprentice.c,v 1.3 1996/06/26 05:32:54 deraadt Exp $";
+static char *moduleid = "$OpenBSD: apprentice.c,v 1.4 1997/02/09 23:58:16 millert Exp $";
#endif /* lint */
#define EATAB {while (isascii((unsigned char) *l) && \
@@ -133,10 +134,10 @@ int check; /* non-zero? checking-only run. */
/*
* extend the sign bit if the comparison is to be signed
*/
-unsigned long
+uint32
signextend(m, v)
struct magic *m;
-unsigned long v;
+uint32 v;
{
if (!(m->flag & UNSIGNED))
switch(m->type) {
@@ -159,7 +160,7 @@ unsigned long v;
case LONG:
case BELONG:
case LELONG:
- v = (long) v;
+ v = (int32) v;
break;
case STRING:
break;
@@ -210,6 +211,10 @@ int *ndx, check;
++l; /* step over */
m->flag |= INDIR;
}
+ if (m->cont_level != 0 && *l == '&') {
+ ++l; /* step over */
+ m->flag |= ADD;
+ }
/* get offset, then skip over it */
m->offset = (int) strtoul(l,&t,0);
@@ -491,21 +496,16 @@ int plen, *slen;
*p++ = (char)val;
break;
- /* \x and up to 3 hex digits */
+ /* \x and up to 2 hex digits */
case 'x':
val = 'x'; /* Default if no digits */
c = hextoint(*s++); /* Get next char */
if (c >= 0) {
val = c;
c = hextoint(*s++);
- if (c >= 0) {
+ if (c >= 0)
val = (val << 4) + c;
- c = hextoint(*s++);
- if (c >= 0) {
- val = (val << 4) + c;
- } else
- --s;
- } else
+ else
--s;
} else
--s;
diff --git a/usr.bin/file/ascmagic.c b/usr.bin/file/ascmagic.c
index 455f3043b9b..9caa50eff7b 100644
--- a/usr.bin/file/ascmagic.c
+++ b/usr.bin/file/ascmagic.c
@@ -1,4 +1,5 @@
-/* $OpenBSD: ascmagic.c,v 1.2 1996/06/26 05:32:54 deraadt Exp $ */
+/* $OpenBSD: ascmagic.c,v 1.3 1997/02/09 23:58:18 millert Exp $ */
+
/*
* ASCII magic -- file types that we know based on keywords
* that can appear anywhere in the file.
@@ -36,7 +37,7 @@
#include "names.h"
#ifndef lint
-static char *moduleid = "$OpenBSD: ascmagic.c,v 1.2 1996/06/26 05:32:54 deraadt Exp $";
+static char *moduleid = "$OpenBSD: ascmagic.c,v 1.3 1997/02/09 23:58:18 millert Exp $";
#endif /* lint */
/* an optimisation over plain strcmp() */
@@ -88,6 +89,13 @@ int nbytes; /* size actually read */
return 1;
}
+
+ /* Make sure we are dealing with ascii text before looking for tokens */
+ for (i = 0; i < nbytes; i++) {
+ if (!isascii(buf[i]))
+ return 0; /* not all ASCII */
+ }
+
/* look for tokens from names.h - this is expensive! */
/* make a copy of the buffer here because strtok() will destroy it */
s = (unsigned char*) memcpy(nbuf, buf, nbytes);
@@ -106,12 +114,6 @@ int nbytes; /* size actually read */
}
}
-
- for (i = 0; i < nbytes; i++) {
- if (!isascii(buf[i]))
- return 0; /* not all ASCII */
- }
-
/* all else fails, but it is ASCII... */
ckfputs("ASCII text", stdout);
if (has_escapes) {
diff --git a/usr.bin/file/compress.c b/usr.bin/file/compress.c
index c6fe63cf78b..bde1ff4a9d7 100644
--- a/usr.bin/file/compress.c
+++ b/usr.bin/file/compress.c
@@ -1,4 +1,5 @@
-/* $OpenBSD: compress.c,v 1.2 1996/06/26 05:32:55 deraadt Exp $ */
+/* $OpenBSD: compress.c,v 1.3 1997/02/09 23:58:19 millert Exp $ */
+
/*
* compress routines:
* zmagic() - returns 0 if not recognized, uncompresses and prints
diff --git a/usr.bin/file/file.1 b/usr.bin/file/file.1
index 706f08e82bc..35e9b778bf0 100644
--- a/usr.bin/file/file.1
+++ b/usr.bin/file/file.1
@@ -1,5 +1,5 @@
-.\" $OpenBSD: file.1,v 1.3 1996/06/26 05:32:56 deraadt Exp $
-.TH FILE 1 "Copyright but distributable"
+.\" $OpenBSD: file.1,v 1.4 1997/02/09 23:58:20 millert Exp $
+.TH FILE 1 "Copyrighted but distributable"
.SH NAME
file
\- determine file type
@@ -16,7 +16,10 @@ namefile ]
magicfiles ]
file ...
.SH DESCRIPTION
-.I File
+This manual page documents version 3.22 of the
+.B file
+command.
+.B File
tests each argument in an attempt to classify it.
There are three sets of tests, performed in this order:
filesystem tests, magic number tests, and language tests.
@@ -26,8 +29,11 @@ test that succeeds causes the file type to be printed.
.PP
The type printed will usually contain one of the words
.B text
-(the file contains only ASCII characters and is
-probably safe to read on an ASCII terminal),
+(the file contains only
+.SM ASCII
+characters and is probably safe to read on an
+.SM ASCII
+terminal),
.B executable
(the file contains the result of compiling a program
in a form understandable to some \s-1UNIX\s0 kernel or another),
@@ -46,7 +52,7 @@ Don't do as Berkeley did \- change ``shell commands text''
to ``shell script''.
.PP
The filesystem tests are based on examining the return from a
-.IR stat (2)
+.BR stat (2)
system call.
The program checks to see if the file is empty,
or if it's some sort of special file.
@@ -55,16 +61,16 @@ Any known file types appropriate to the system you are running on
implement them)
are intuited if they are defined in
the system header file
-.BR sys/stat.h .
+.IR sys/stat.h .
.PP
The magic number tests are used to check for files with data in
particular fixed formats.
The canonical example of this is a binary executable (compiled program)
-.B a.out
+.I a.out
file, whose format is defined in
-.B a.out.h
+.I a.out.h
and possibly
-.B exec.h
+.I exec.h
in the standard include directory.
These files have a `magic number' stored in a particular place
near the beginning of the file that tells the \s-1UNIX\s0 operating system
@@ -78,21 +84,23 @@ The information in these files is read from the magic file
If an argument appears to be an
.SM ASCII
file,
-.I file
+.B file
attempts to guess its language.
-The language tests look for particular strings (cf \fInames.h\fP)
+The language tests look for particular strings (cf
+.IR names.h )
that can appear anywhere in the first few blocks of a file.
For example, the keyword
.B .br
-indicates that the file is most likely a troff input file,
-just as the keyword
+indicates that the file is most likely a
+.BR troff (1)
+input file, just as the keyword
.B struct
indicates a C program.
These tests are less reliable than the previous
two groups, so they are performed last.
The language test routines also test for some miscellany
(such as
-.I tar
+.BR tar (1)
archives) and determine whether an unknown file should be
labelled as `ascii text' or `data'.
.SH OPTIONS
@@ -125,7 +133,7 @@ to test the standard input, use ``-'' as a filename argument.
.TP 8
.B \-L
option causes symlinks to be followed, as the like-named option in
-.IR ls (1).
+.BR ls (1).
(on systems that support symbolic links).
.SH FILES
.I /etc/magic
@@ -135,10 +143,10 @@ The environment variable
.B MAGIC
can be used to set the default magic number files.
.SH SEE ALSO
-.IR magic (5)
+.BR magic (5)
\- description of magic file format.
.br
-.IR Strings (1), " od" (1)
+.BR strings (1), " od" (1)
\- tools for examining non-textfiles.
.SH STANDARDS CONFORMANCE
This program is believed to exceed the System V Interface Definition
@@ -171,7 +179,7 @@ in an existing magic file would have to be changed to
.br
.PP
SunOS releases 3.2 and later from Sun Microsystems include a
-.IR file (1)
+.BR file (1)
command derived from the System V one, but with some extensions.
My version differs from Sun's only in minor ways.
It includes the extension of the `&' operator, used as,
@@ -190,15 +198,15 @@ The order of entries in the magic file is significant.
Depending on what system you are using, the order that
they are put together may be incorrect.
If your old
-.I file
+.B file
command uses a magic file,
keep the old magic file around for comparison purposes
(rename it to
.IR /etc/magic.orig ).
.SH HISTORY
There has been a
-.I file
-command in every UNIX since at least Research Version 6
+.B file
+command in every \s-1UNIX\s0 since at least Research Version 6
(man page dated January, 1975).
The System V version introduced one significant major change:
the external list of magic number types.
@@ -227,7 +235,7 @@ put the ``old-style'' `&'
operator back the way it was, because 1) Rob McMahon's change broke the
previous style of usage, 2) the SunOS ``new-style'' `&' operator,
which this version of
-.I file
+.B file
supports, also handles `x&y op z', and 3) Rob's change wasn't documented
in any case;
.PP
@@ -236,11 +244,11 @@ put in multiple levels of `>';
put in ``beshort'', ``leshort'', etc. keywords to look at numbers in the
file in a specific byte order, rather than in the native byte order of
the process running
-.IR file .
+.BR file .
.RE
.PP
Changes by Ian Darwin and various authors including
-Christos Zoulas (christos@ee.cornell.edu), 1990-1992.
+Christos Zoulas (christos@deshaw.com), 1990-1997.
.SH LEGAL NOTICE
Copyright (c) Ian F. Darwin, Toronto, Canada,
1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993.
@@ -284,33 +292,42 @@ The files
and
.I is_tar.c
were written by John Gilmore from his public-domain
-.I tar
+.B tar
program, and are not covered by the above restrictions.
.SH BUGS
There must be a better way to automate the construction of the Magic
file from all the glop in Magdir. What is it?
Better yet, the magic file should be compiled into binary (say,
-.IR ndbm (3)
-or, better yet, fixed-length ASCII strings
-for use in heterogenous network environments) for faster startup.
+.BR ndbm (3)
+or, better yet, fixed-length
+.SM ASCII
+strings for use in heterogenous network environments) for faster startup.
Then the program would run as fast as the Version 7 program of the same name,
with the flexibility of the System V version.
.PP
-.I File
+.B File
uses several algorithms that favor speed over accuracy,
-thus it can be misled about the contents of ASCII files.
+thus it can be misled about the contents of
+.SM ASCII
+files.
.PP
-The support for ASCII files (primarily for programming languages)
+The support for
+.SM ASCII
+files (primarily for programming languages)
is simplistic, inefficient and requires recompilation to update.
.PP
There should be an ``else'' clause to follow a series of continuation lines.
.PP
The magic file and keywords should have regular expression support.
-Their use of ASCII TAB as a field delimiter is ugly and makes
+Their use of
+.SM "ASCII TAB"
+as a field delimiter is ugly and makes
it hard to edit the files, but is entrenched.
.PP
It might be advisable to allow upper-case letters in keywords
-for e.g., troff commands vs man page macros.
+for e.g.,
+.BR troff (1)
+commands vs man page macros.
Regular expression support would make this easy.
.PP
The program doesn't grok \s-2FORTRAN\s0.
@@ -343,6 +360,6 @@ This manual page, and particularly this section, is too long.
.SH AVAILABILITY
You can obtain the original author's latest version by anonymous FTP
on
-.B tesla.ee.cornell.edu
+.B ftp.deshaw.com
in the directory
-.BR /pub/file-X.YY.tar.gz
+.I /pub/file/file-X.YY.tar.gz
diff --git a/usr.bin/file/file.c b/usr.bin/file/file.c
index fc114394317..95eeb944ca7 100644
--- a/usr.bin/file/file.c
+++ b/usr.bin/file/file.c
@@ -1,4 +1,5 @@
-/* $OpenBSD: file.c,v 1.4 1997/01/15 23:42:26 millert Exp $ */
+/* $OpenBSD: file.c,v 1.5 1997/02/09 23:58:22 millert Exp $ */
+
/*
* file - find type of a file or files - main program.
*
@@ -26,7 +27,7 @@
* 4. This notice may not be removed or altered.
*/
#ifndef lint
-static char *moduleid = "$OpenBSD: file.c,v 1.4 1997/01/15 23:42:26 millert Exp $";
+static char *moduleid = "$OpenBSD: file.c,v 1.5 1997/02/09 23:58:22 millert Exp $";
#endif /* lint */
#include <stdio.h>
@@ -37,15 +38,17 @@ static char *moduleid = "$OpenBSD: file.c,v 1.4 1997/01/15 23:42:26 millert Exp
#include <sys/stat.h>
#include <fcntl.h> /* for open() */
#if (__COHERENT__ >= 0x420)
-#include <sys/utime.h>
+# include <sys/utime.h>
#else
-#include <utime.h>
+# ifdef USE_UTIMES
+# include <sys/time.h>
+# else
+# include <utime.h>
+# endif
#endif
#include <unistd.h> /* for read() */
-#ifdef __ELF__
-#include <elf.h>
-#endif
+#include <netinet/in.h> /* for byte swapping */
#include "patchlevel.h"
#include "file.h"
@@ -76,7 +79,11 @@ char *progname; /* used throughout */
int lineno; /* line number in the magic file */
-static void unwrap __P((char *fn));
+static void unwrap __P((char *fn));
+#if 0
+static int byteconv4 __P((int, int, int));
+static short byteconv2 __P((int, int, int));
+#endif
/*
* main - parse arguments and handle options
@@ -180,20 +187,25 @@ char *fn;
FILE *f;
int wid = 0, cwid;
- if ((f = fopen(fn, "r")) == NULL) {
- error("Cannot open `%s' (%s).\n", fn, strerror(errno));
- /*NOTREACHED*/
- }
+ if (strcmp("-", fn) == 0) {
+ f = stdin;
+ wid = 1;
+ } else {
+ if ((f = fopen(fn, "r")) == NULL) {
+ error("Cannot open `%s' (%s).\n", fn, strerror(errno));
+ /*NOTREACHED*/
+ }
- while (fgets(buf, MAXPATHLEN, f) != NULL) {
- cwid = strlen(buf) - 1;
- if (cwid > wid)
- wid = cwid;
- }
+ while (fgets(buf, sizeof(buf), f) != NULL) {
+ cwid = strlen(buf) - 1;
+ if (cwid > wid)
+ wid = cwid;
+ }
- rewind(f);
+ rewind(f);
+ }
- while (fgets(buf, MAXPATHLEN, f) != NULL) {
+ while (fgets(buf, sizeof(buf), f) != NULL) {
buf[strlen(buf)-1] = '\0';
process(buf, wid);
}
@@ -202,6 +214,71 @@ char *fn;
}
+#if 0
+/*
+ * byteconv4
+ * Input:
+ * from 4 byte quantity to convert
+ * same whether to perform byte swapping
+ * big_endian whether we are a big endian host
+ */
+static int
+byteconv4(from, same, big_endian)
+ int from;
+ int same;
+ int big_endian;
+{
+ if (same)
+ return from;
+ else if (big_endian) /* lsb -> msb conversion on msb */
+ {
+ union {
+ int i;
+ char c[4];
+ } retval, tmpval;
+
+ tmpval.i = from;
+ retval.c[0] = tmpval.c[3];
+ retval.c[1] = tmpval.c[2];
+ retval.c[2] = tmpval.c[1];
+ retval.c[3] = tmpval.c[0];
+
+ return retval.i;
+ }
+ else
+ return ntohl(from); /* msb -> lsb conversion on lsb */
+}
+
+/*
+ * byteconv2
+ * Same as byteconv4, but for shorts
+ */
+static short
+byteconv2(from, same, big_endian)
+ int from;
+ int same;
+ int big_endian;
+{
+ if (same)
+ return from;
+ else if (big_endian) /* lsb -> msb conversion on msb */
+ {
+ union {
+ short s;
+ char c[2];
+ } retval, tmpval;
+
+ tmpval.s = (short) from;
+ retval.c[0] = tmpval.c[1];
+ retval.c[1] = tmpval.c[0];
+
+ return retval.s;
+ }
+ else
+ return ntohs(from); /* msb -> lsb conversion on lsb */
+}
+#endif
+
/*
* process - process input file
*/
@@ -213,7 +290,6 @@ int wid;
int fd = 0;
static const char stdname[] = "standard input";
unsigned char buf[HOWMANY+1]; /* one extra for terminating '\0' */
- struct utimbuf utbuf;
struct stat sb;
int nbytes = 0; /* number of bytes read from a datafile */
char match = '\0';
@@ -265,56 +341,33 @@ int wid;
buf[nbytes++] = '\0'; /* null-terminate it */
match = tryit(buf, nbytes, zflag);
}
-#ifdef __ELF__
- /*
- * ELF executables have multiple section headers in arbitrary
- * file locations and thus file(1) cannot determine it from easily.
- * Instead we traverse thru all section headers until a symbol table
- * one is found or else the binary is stripped.
- * XXX: This will not work for binaries of a different byteorder.
- * Should come up with a better fix.
- */
-
- if (match == 's' && nbytes > sizeof (Elf32_Ehdr) &&
- buf[EI_MAG0] == ELFMAG0 &&
- buf[EI_MAG1] == ELFMAG1 &&
- buf[EI_MAG2] == ELFMAG2 &&
- buf[EI_MAG3] == ELFMAG3) {
-
- union {
- long l;
- char c[sizeof (long)];
- } u;
- Elf32_Ehdr elfhdr;
- int stripped = 1;
- u.l = 1;
- (void) memcpy(&elfhdr, buf, sizeof elfhdr);
+#ifdef BUILTIN_ELF
+ if (match == 's' && nbytes > 5)
+ tryelf(fd, buf, nbytes);
+#endif
+ if (inname != stdname) {
+#ifdef RESTORE_TIME
/*
- * If the system byteorder does not equal the object byteorder
- * then don't test.
+ * Try to restore access, modification times if read it.
*/
- if ((u.c[sizeof(long) - 1] + 1) == elfhdr.e_ident[5]) {
- if (lseek(fd, elfhdr.e_shoff, SEEK_SET)<0)
- error("lseek failed (%s).\n", strerror(errno));
-
- for ( ; elfhdr.e_shnum ; elfhdr.e_shnum--) {
- if (read(fd, buf, elfhdr.e_shentsize)<0)
- error("read failed (%s).\n", strerror(errno));
- if (((Elf32_Shdr *)&buf)->sh_type == SHT_SYMTAB) {
- stripped = 0;
- break;
- }
- }
- if (stripped)
- (void) printf (", stripped");
- }
- }
+# ifdef USE_UTIMES
+ struct timeval utsbuf[2];
+ utsbuf[0].tv_sec = sb.st_atime;
+ utsbuf[1].tv_sec = sb.st_mtime;
+
+ (void) utimes(inname, utsbuf); /* don't care if loses */
+# else
+ struct utimbuf utbuf;
+
+ utbuf.actime = sb.st_atime;
+ utbuf.modtime = sb.st_mtime;
+ (void) utime(inname, &utbuf); /* don't care if loses */
+# endif
#endif
-
- if (inname != stdname)
(void) close(fd);
+ }
(void) putchar('\n');
}
@@ -336,6 +389,10 @@ int nb, zflag;
if (ascmagic(buf, nb))
return 'a';
+ /* see if it's international language text */
+ if (internatmagic(buf, nb))
+ return 'i';
+
/* abandon hope, all ye who remain here */
ckfputs("data", stdout);
return '\0';
diff --git a/usr.bin/file/file.h b/usr.bin/file/file.h
index 0fa7a831061..579eec21f15 100644
--- a/usr.bin/file/file.h
+++ b/usr.bin/file/file.h
@@ -1,4 +1,5 @@
-/* * @(#)$OpenBSD: file.h,v 1.2 1996/06/26 05:32:57 deraadt Exp $*/
+/* $OpenBSD: file.h,v 1.3 1997/02/09 23:58:23 millert Exp $ */
+
/*
* file.h - definitions for file(1) program
*
@@ -26,6 +27,12 @@
* 4. This notice may not be removed or altered.
*/
+#ifndef __file_h__
+#define __file_h__
+
+typedef int32_t int32;
+typedef u_int32_t uint32;
+
#ifndef HOWMANY
# define HOWMANY 8192 /* how much of the file to look at */
#endif
@@ -37,12 +44,13 @@ struct magic {
short flag;
#define INDIR 1 /* if '>(...)' appears, */
#define UNSIGNED 2 /* comparison is unsigned */
+#define ADD 4 /* if '>&' appears, */
short cont_level; /* level of ">" */
struct {
char type; /* byte short long */
- long offset; /* offset from indirection */
+ int32 offset; /* offset from indirection */
} in;
- long offset; /* offset to magic number */
+ int32 offset; /* offset to magic number */
unsigned char reln; /* relation (0=eq, '>'=gt, etc) */
char type; /* int, short, long or string. */
char vallen; /* length of string value, if any */
@@ -60,12 +68,12 @@ struct magic {
union VALUETYPE {
unsigned char b;
unsigned short h;
- unsigned long l;
+ uint32 l;
char s[MAXstring];
unsigned char hs[2]; /* 2 bytes of a fixed-endian "short" */
unsigned char hl[4]; /* 2 bytes of a fixed-endian "long" */
} value; /* either number or string */
- unsigned long mask; /* mask before comparison with value */
+ uint32 mask; /* mask before comparison with value */
char nospflag; /* supress space character */
char desc[MAXDESC]; /* description */
};
@@ -97,8 +105,9 @@ extern int softmagic __P((unsigned char *, int));
extern int tryit __P((unsigned char *, int, int));
extern int zmagic __P((unsigned char *, int));
extern void ckfprintf __P((FILE *, const char *, ...));
-extern unsigned long signextend __P((struct magic *, unsigned long));
-
+extern uint32 signextend __P((struct magic *, unsigned int32));
+extern int internatmagic __P((unsigned char *, int));
+extern void tryelf __P((int, char *, int));
extern int errno; /* Some unixes don't define this.. */
@@ -118,7 +127,16 @@ extern int lflag; /* follow symbolic links? */
extern int optind; /* From getopt(3) */
extern char *optarg;
-#if !defined(__STDC__) || defined(sun) || defined(__sun__) || defined(__convex__)
+#if defined(sun) || defined(__sun__) || defined (__sun)
+# if defined(__svr4) || defined (__SVR4) || defined(__svr4__)
+# define SOLARIS
+# else
+# define SUNOS
+# endif
+#endif
+
+
+#if !defined(__STDC__) || defined(SUNOS) || defined(__convex__)
extern int sys_nerr;
extern char *sys_errlist[];
#define strerror(e) \
@@ -129,3 +147,5 @@ extern char *sys_errlist[];
#ifndef MAXPATHLEN
#define MAXPATHLEN 512
#endif
+
+#endif /* __file_h__ */
diff --git a/usr.bin/file/fsmagic.c b/usr.bin/file/fsmagic.c
index 33cd2dbfcb5..f5ba6ee0b4e 100644
--- a/usr.bin/file/fsmagic.c
+++ b/usr.bin/file/fsmagic.c
@@ -1,4 +1,5 @@
-/* $OpenBSD: fsmagic.c,v 1.2 1996/06/26 05:32:57 deraadt Exp $ */
+/* $OpenBSD: fsmagic.c,v 1.3 1997/02/09 23:58:24 millert Exp $ */
+
/*
* fsmagic - magic based on filesystem info - directory, special files, etc.
*
@@ -32,6 +33,11 @@
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
+#ifndef major
+# if defined(__SVR4) || defined(_SVR4_SOURCE)
+# include <sys/mkdev.h>
+# endif
+#endif
#ifndef major /* if `major' not defined in types.h, */
#include <sys/sysmacros.h> /* try this one. */
#endif
@@ -46,7 +52,7 @@
#include "file.h"
#ifndef lint
-static char *moduleid = "$OpenBSD: fsmagic.c,v 1.2 1996/06/26 05:32:57 deraadt Exp $";
+static char *moduleid = "$OpenBSD: fsmagic.c,v 1.3 1997/02/09 23:58:24 millert Exp $";
#endif /* lint */
int
@@ -84,12 +90,12 @@ struct stat *sb;
ckfputs("directory", stdout);
return 1;
case S_IFCHR:
- (void) printf("character special (%d/%d)",
- major(sb->st_rdev), minor(sb->st_rdev));
+ (void) printf("character special (%ld/%ld)",
+ (long) major(sb->st_rdev), (long) minor(sb->st_rdev));
return 1;
case S_IFBLK:
- (void) printf("block special (%d/%d)",
- major(sb->st_rdev), minor(sb->st_rdev));
+ (void) printf("block special (%ld/%ld)",
+ (long) major(sb->st_rdev), (long) minor(sb->st_rdev));
return 1;
/* TODO add code to handle V7 MUX and Blit MUX files */
#ifdef S_IFIFO
diff --git a/usr.bin/file/internat.c b/usr.bin/file/internat.c
new file mode 100644
index 00000000000..6ffe9e34232
--- /dev/null
+++ b/usr.bin/file/internat.c
@@ -0,0 +1,75 @@
+/* $OpenBSD: internat.c,v 1.1 1997/02/09 23:58:26 millert Exp $ */
+
+#include <string.h>
+#include <sys/types.h>
+
+#include "file.h"
+
+#define F 0
+#define T 1
+
+/*
+ * List of characters that look "reasonable" in international
+ * language texts. That's almost all characters :), except a
+ * few in the control range of ASCII (all the known international
+ * charactersets share the bottom half with ASCII).
+ */
+static char maybe_internat[256] = {
+ F, F, F, F, F, F, F, F, T, T, T, T, T, T, F, F, /* 0x0X */
+ F, F, F, F, F, F, F, F, F, F, F, T, F, F, F, F, /* 0x1X */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0x2X */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0x3X */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0x4X */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0x5X */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0x6X */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, F, /* 0x7X */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0x8X */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0x9X */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0xaX */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0xbX */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0xcX */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0xdX */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, /* 0xeX */
+ T, T, T, T, T, T, T, T, T, T, T, T, T, T, T, T /* 0xfX */
+};
+
+/* Maximal length of a line we consider "reasonable". */
+#define MAXLINELEN 300
+
+int
+internatmagic(buf, nbytes)
+ unsigned char *buf;
+ int nbytes;
+{
+ int i;
+ unsigned char *cp;
+
+ nbytes--;
+
+ /* First, look whether there are "unreasonable" characters. */
+ for (i = 0, cp = buf; i < nbytes; i++, cp++)
+ if (!maybe_internat[*cp])
+ return 0;
+
+ /*
+ * Now, look whether the file consists of lines of
+ * "reasonable" length.
+ */
+
+ for (i = 0; i < nbytes;) {
+ cp = memchr(buf, '\n', nbytes - i);
+ if (cp == NULL) {
+ /* Don't fail if we hit the end of buffer. */
+ if (i + MAXLINELEN >= nbytes)
+ break;
+ else
+ return 0;
+ }
+ if (cp - buf > MAXLINELEN)
+ return 0;
+ i += (cp - buf + 1);
+ buf = cp + 1;
+ }
+ ckfputs("International language text", stdout);
+ return 1;
+}
diff --git a/usr.bin/file/is_tar.c b/usr.bin/file/is_tar.c
index c6ebe06e2a4..ec10f41e9bf 100644
--- a/usr.bin/file/is_tar.c
+++ b/usr.bin/file/is_tar.c
@@ -1,4 +1,5 @@
-/* $OpenBSD: is_tar.c,v 1.2 1996/06/26 05:32:58 deraadt Exp $ */
+/* $OpenBSD: is_tar.c,v 1.3 1997/02/09 23:58:27 millert Exp $ */
+
/*
* is_tar() -- figure out whether file is a tar archive.
*
@@ -19,9 +20,9 @@
#define isodigit(c) ( ((c) >= '0') && ((c) <= '7') )
#if defined(__STDC__) || defined(__cplusplus)
-static long from_oct(int, char*); /* Decode octal number */
+static int from_oct(int, char*); /* Decode octal number */
#else
-static long from_oct();
+static int from_oct();
#endif
/*
@@ -37,7 +38,7 @@ int nbytes;
{
register union record *header = (union record *)buf;
register int i;
- register long sum, recsum;
+ register int sum, recsum;
register char *p;
if (nbytes < sizeof(union record))
@@ -75,12 +76,12 @@ int nbytes;
*
* Result is -1 if the field is invalid (all blank, or nonoctal).
*/
-static long
+static int
from_oct(digs, where)
register int digs;
register char *where;
{
- register long value;
+ register int value;
while (isspace(*where)) { /* Skip spaces */
where++;
diff --git a/usr.bin/file/magdir/Localstuff b/usr.bin/file/magdir/Localstuff
index 9c4d992483c..c20418c3a38 100644
--- a/usr.bin/file/magdir/Localstuff
+++ b/usr.bin/file/magdir/Localstuff
@@ -1,7 +1,6 @@
-# $OpenBSD: Localstuff,v 1.2 1996/06/26 05:33:03 deraadt Exp $
-
#------------------------------------------------------------------------------
# Localstuff: file(1) magic for locally observed files
#
+# $OpenBSD: Localstuff,v 1.3 1997/02/09 23:58:40 millert Exp $
# Add any locally observed files here. Remember:
# text if readable, executable if runnable binary, data if unreadable.
diff --git a/usr.bin/file/magic.5 b/usr.bin/file/magic.5
index bd93f5e75d7..26cece42f0d 100644
--- a/usr.bin/file/magic.5
+++ b/usr.bin/file/magic.5
@@ -1,17 +1,20 @@
-.\" @(#)$OpenBSD: magic.5,v 1.2 1996/06/26 05:32:59 deraadt Exp $
+.\" $OpenBSD: magic.5,v 1.3 1997/02/09 23:58:28 millert Exp $
+.\" install as magic.4 on USG, magic.5 on V7 or Berkeley systems.
.TH MAGIC 5 "Public Domain"
-.\" install as magic.5 on USG, magic.5 on V7 or Berkeley systems.
.SH NAME
magic \- file command's magic number file
.SH DESCRIPTION
-The
-.IR file (1)
+This manual page documents the format of the magic file as
+used by the
+.BR file (1)
+command, version 3.22. The
+.B file
command identifies the type of a file using,
among other tests,
a test for whether the file begins with a certain
.IR "magic number" .
The file
-.B /etc/magic
+.I /etc/magic
specifies what magic numbers are to be tested for,
what message to print if a particular magic number is found,
and additional information to extract from the file.
@@ -114,7 +117,7 @@ then presumably print that string, by doing
.IP message
The message to be printed if the comparison succeeds. If the string
contains a
-.IR printf (3S)
+.BR printf (3S)
format specification, the value from the file (with any specified masking
performed) is printed using the message as the format string.
.PP
@@ -157,6 +160,15 @@ type specifier. To that number the value of
.I y
is added and the result is used as an offset in the file. The default type
if one is not specified is long.
+.PP
+Sometimes you do not know the exact offset as this depends on the length of
+preceding fields. You can specify an offset relative to the end of the
+last uplevel field (of course this may only be done for sublevel tests, i.e.
+test beginning with
+.B >
+). Such a relative offset is specified using
+.B &
+as a prefix to the offset.
.SH BUGS
The formats
.IR long ,
@@ -177,7 +189,7 @@ a system on which the lengths are invariant.
There is (currently) no support for specified-endian data to be used in
indirect offsets.
.SH SEE ALSO
-.IR file (1)
+.BR file (1)
\- the command that reads this file.
.\"
.\" From: guy@sun.uucp (Guy Harris)
diff --git a/usr.bin/file/names.h b/usr.bin/file/names.h
index 7d0f2dae9ff..23c99c83b52 100644
--- a/usr.bin/file/names.h
+++ b/usr.bin/file/names.h
@@ -1,4 +1,5 @@
-/* * $OpenBSD: names.h,v 1.2 1996/06/26 05:32:59 deraadt Exp $*/
+/* $OpenBSD: names.h,v 1.3 1997/02/09 23:58:29 millert Exp $ */
+
/*
* Names.h - names and types used by ascmagic in file(1).
* These tokens are here because they can appear anywhere in
@@ -10,22 +11,23 @@
* Written by Ian F. Darwin.
*
* See LEGAL.NOTICE
- *
*/
/* these types are used to index the table 'types': keep em in sync! */
#define L_C 0 /* first and foremost on UNIX */
-#define L_FORT 1 /* the oldest one */
-#define L_MAKE 2 /* Makefiles */
-#define L_PLI 3 /* PL/1 */
-#define L_MACH 4 /* some kinda assembler */
-#define L_ENG 5 /* English */
-#define L_PAS 6 /* Pascal */
-#define L_MAIL 7 /* Electronic mail */
-#define L_NEWS 8 /* Usenet Netnews */
+#define L_CC 1 /* Bjarne's postincrement */
+#define L_FORT 2 /* the oldest one */
+#define L_MAKE 3 /* Makefiles */
+#define L_PLI 4 /* PL/1 */
+#define L_MACH 5 /* some kinda assembler */
+#define L_ENG 6 /* English */
+#define L_PAS 7 /* Pascal */
+#define L_MAIL 8 /* Electronic mail */
+#define L_NEWS 9 /* Usenet Netnews */
static char *types[] = {
"C program text",
+ "C++ program text",
"FORTRAN program text",
"make commands text" ,
"PL/1 program text",
@@ -43,6 +45,12 @@ static struct names {
} names[] = {
/* These must be sorted by eye for optimal hit rate */
/* Add to this list only after substantial meditation */
+ {"//", L_CC},
+ {"template", L_CC},
+ {"virtual", L_CC},
+ {"class", L_CC},
+ {"public:", L_CC},
+ {"private:", L_CC},
{"/*", L_C}, /* must precede "The", "the", etc. */
{"#include", L_C},
{"char", L_C},
diff --git a/usr.bin/file/patchlevel.h b/usr.bin/file/patchlevel.h
index 0109d131cd1..ac808a71f92 100644
--- a/usr.bin/file/patchlevel.h
+++ b/usr.bin/file/patchlevel.h
@@ -1,23 +1,33 @@
-/* * $OpenBSD: patchlevel.h,v 1.3 1996/06/26 05:33:00 deraadt Exp $*/
+/* $OpenBSD: patchlevel.h,v 1.4 1997/02/09 23:58:31 millert Exp $ */
+
#define FILE_VERSION_MAJOR 3
-#define patchlevel 19
+#define patchlevel 22
/*
* Patchlevel file for Ian Darwin's MAGIC command.
*
- * $Log: patchlevel.h,v $
- * Revision 1.3 1996/06/26 05:33:00 deraadt
- * rcsid
+ * Log: patchlevel.h,v
+ * Revision 1.22 1997/01/15 17:23:24 christos
+ * - add support for elf core files: find the program name under SVR4 [Ken Pizzini]
+ * - print strings only up to the first carriage return [various]
+ * - freebsd international ascii support [J Wunsch]
+ * - magic fixes and additions [Guy Harris]
+ * - 64 bit fixes [Larry Schwimmer]
+ * - support for both utime and utimes, but don't restore file access times
+ * by default [various]
+ * - \xXX only takes 2 hex digits, not 3.
+ * - re-implement support for core files [Guy Harris]
*
- * Revision 1.2 1995/12/14 03:30:04 deraadt
- * update from netbsd
+ * Revision 1.21 1996/10/05 18:15:29 christos
+ * Segregate elf stuff and conditionally enable it with -DBUILTIN_ELF
+ * More magic fixes
*
- * Revision 1.5 1995/10/27 23:33:21 christos
- * Update to file-3.19.
- * - Magic fixes
- * - MAGIC environment variable processing
- * - Better LEGAL.NOTICE
- * - -m magic : separated list of magic files processing
+ * Revision 1.20 1996/06/22 22:15:52 christos
+ * - support relative offsets of the form >&
+ * - fix bug with truncating magic strings that contain \n
+ * - file -f - did not read from stdin as documented
+ * - support elf file parsing using our own elf support.
+ * - as always magdir fixes and additions.
*
* Revision 1.19 1995/10/27 23:14:46 christos
* Ability to parse colon separated list of magic files
diff --git a/usr.bin/file/print.c b/usr.bin/file/print.c
index 839bf0447c4..089d1f28422 100644
--- a/usr.bin/file/print.c
+++ b/usr.bin/file/print.c
@@ -1,4 +1,5 @@
-/* $OpenBSD: print.c,v 1.2 1996/06/26 05:33:00 deraadt Exp $ */
+/* $OpenBSD: print.c,v 1.3 1997/02/09 23:58:32 millert Exp $ */
+
/*
* print.c - debugging printout routines
*
@@ -40,7 +41,7 @@
#include "file.h"
#ifndef lint
-static char *moduleid = "$OpenBSD: print.c,v 1.2 1996/06/26 05:33:00 deraadt Exp $";
+static char *moduleid = "$OpenBSD: print.c,v 1.3 1997/02/09 23:58:32 millert Exp $";
#endif /* lint */
#define SZOF(a) (sizeof(a) / sizeof(a[0]))
@@ -58,7 +59,7 @@ struct magic *m;
m->offset);
if (m->flag & INDIR)
- (void) fprintf(stderr, "(%s,%ld),",
+ (void) fprintf(stderr, "(%s,%d),",
(m->in.type >= 0 && m->in.type < SZOF(typ)) ?
typ[(unsigned char) m->in.type] :
"*bad*",
@@ -69,7 +70,7 @@ struct magic *m;
typ[(unsigned char) m->type] :
"*bad*");
if (m->mask != ~0L)
- (void) fprintf(stderr, " & %.8lx", m->mask);
+ (void) fprintf(stderr, " & %.8x", m->mask);
(void) fprintf(stderr, ",%c", m->reln);
@@ -82,7 +83,7 @@ struct magic *m;
case LELONG:
case BESHORT:
case BELONG:
- (void) fprintf(stderr, "%ld", m->value.l);
+ (void) fprintf(stderr, "%d", m->value.l);
break;
case STRING:
showstr(stderr, m->value.s, -1);
diff --git a/usr.bin/file/readelf.c b/usr.bin/file/readelf.c
new file mode 100644
index 00000000000..7f4f97bb4bd
--- /dev/null
+++ b/usr.bin/file/readelf.c
@@ -0,0 +1,315 @@
+/* $OpenBSD: readelf.c,v 1.1 1997/02/09 23:58:33 millert Exp $ */
+
+#ifdef BUILTIN_ELF
+#include <sys/types.h>
+#include <string.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include "readelf.h"
+#include "file.h"
+
+static void
+doshn(fd, off, num, size, buf)
+ int fd;
+ off_t off;
+ int num;
+ size_t size;
+ char *buf;
+{
+ /*
+ * This works for both 32-bit and 64-bit ELF formats,
+ * because it looks only at the "sh_type" field, which is
+ * always 32 bits, and is preceded only by the "sh_name"
+ * field which is also always 32 bits, and because it uses
+ * the shdr size from the ELF header rather than using
+ * the size of an "Elf32_Shdr".
+ */
+ Elf32_Shdr *sh = (Elf32_Shdr *) buf;
+
+ if (lseek(fd, off, SEEK_SET) == -1)
+ error("lseek failed (%s).\n", strerror(errno));
+
+ for ( ; num; num--) {
+ if (read(fd, buf, size) == -1)
+ error("read failed (%s).\n", strerror(errno));
+ if (sh->sh_type == SHT_SYMTAB) {
+ (void) printf (", not stripped");
+ return;
+ }
+ }
+ (void) printf (", stripped");
+}
+
+/*
+ * Look through the program headers of an executable image, searching
+ * for a PT_INTERP section; if one is found, it's dynamically linked,
+ * otherwise it's statically linked.
+ */
+static void
+dophn_exec(fd, off, num, size, buf)
+ int fd;
+ off_t off;
+ int num;
+ size_t size;
+ char *buf;
+{
+ /* I am not sure if this works for 64 bit elf formats */
+ Elf32_Phdr *ph = (Elf32_Phdr *) buf;
+
+ if (lseek(fd, off, SEEK_SET) == -1)
+ error("lseek failed (%s).\n", strerror(errno));
+
+ for ( ; num; num--) {
+ if (read(fd, buf, size) == -1)
+ error("read failed (%s).\n", strerror(errno));
+ if (ph->p_type == PT_INTERP) {
+ /*
+ * Has an interpreter - must be a dynamically-linked
+ * executable.
+ */
+ printf(", dynamically linked");
+ return;
+ }
+ }
+ printf(", statically linked");
+}
+
+size_t prpsoffsets[] = {
+ 100, /* SunOS 5.x */
+ 32, /* Linux */
+};
+
+#define NOFFSETS (sizeof prpsoffsets / sizeof prpsoffsets[0])
+
+/*
+ * Look through the program headers of an executable image, searching
+ * for a PT_NOTE section of type NT_PRPSINFO, with a name "CORE"; if one
+ * is found, try looking in various places in its contents for a 16-character
+ * string containing only printable characters - if found, that string
+ * should be the name of the program that dropped core.
+ * Note: right after that 16-character string is, at least in SunOS 5.x
+ * (and possibly other SVR4-flavored systems) and Linux, a longer string
+ * (80 characters, in 5.x, probably other SVR4-flavored systems, and Linux)
+ * containing the start of the command line for that program.
+ */
+static void
+dophn_core(fd, off, num, size, buf)
+ int fd;
+ off_t off;
+ int num;
+ size_t size;
+ char *buf;
+{
+ /*
+ * This doesn't work for 64-bit ELF, as the "p_offset" field is
+ * 64 bits in 64-bit ELF.
+ */
+ /*
+ * This doesn't work for 64-bit ELF, as the "p_offset" field is
+ * 64 bits in 64-bit ELF.
+ */
+ Elf32_Phdr *ph = (Elf32_Phdr *) buf;
+ Elf32_Nhdr *nh;
+ size_t offset, noffset, reloffset;
+ unsigned char c;
+ int i, j;
+ char nbuf[BUFSIZ];
+ int bufsize;
+
+ for ( ; num; num--) {
+ if (lseek(fd, off, SEEK_SET) == -1)
+ error("lseek failed (%s).\n", strerror(errno));
+ if (read(fd, buf, size) == -1)
+ error("read failed (%s).\n", strerror(errno));
+ off += size;
+ if (ph->p_type != PT_NOTE)
+ continue;
+ if (lseek(fd, ph->p_offset, SEEK_SET) == -1)
+ error("lseek failed (%s).\n", strerror(errno));
+ bufsize = read(fd, nbuf, BUFSIZ);
+ if (bufsize == -1)
+ error("read failed (%s).\n", strerror(errno));
+ offset = 0;
+ for (;;) {
+ if (offset >= bufsize)
+ break;
+ nh = (Elf32_Nhdr *)&nbuf[offset];
+ offset += sizeof *nh;
+
+ /*
+ * If this note isn't an NT_PRPSINFO note, it's
+ * not what we're looking for.
+ */
+ if (nh->n_type != NT_PRPSINFO) {
+ offset += nh->n_namesz;
+ offset = ((offset + 3)/4)*4;
+ offset += nh->n_descsz;
+ offset = ((offset + 3)/4)*4;
+ continue;
+ }
+
+ /*
+ * Make sure this note has the name "CORE".
+ */
+ if (offset + nh->n_namesz >= bufsize) {
+ /*
+ * We're past the end of the buffer.
+ */
+ break;
+ }
+ if (nh->n_namesz != 5
+ || strcmp(&nbuf[offset], "CORE") != 0)
+ continue;
+ offset += nh->n_namesz;
+ offset = ((offset + 3)/4)*4;
+
+ /*
+ * Extract the program name. We assume it to be
+ * 16 characters (that's what it is in SunOS 5.x
+ * and Linux).
+ *
+ * Unfortunately, it's at a different offset in
+ * SunOS 5.x and Linux, so try multiple offsets.
+ * If the characters aren't all printable, reject
+ * it.
+ */
+ for (i = 0; i < NOFFSETS; i++) {
+ reloffset = prpsoffsets[i];
+ noffset = offset + reloffset;
+ for (j = 0; j < 16;
+ j++, noffset++, reloffset++) {
+ /*
+ * Make sure we're not past the end
+ * of the buffer; if we are, just
+ * give up.
+ */
+ if (noffset >= bufsize)
+ return;
+
+ /*
+ * Make sure we're not past the
+ * end of the contents; if we
+ * are, this obviously isn't
+ * the right offset.
+ */
+ if (reloffset >= nh->n_descsz)
+ goto tryanother;
+
+ c = nbuf[noffset];
+ if (c != '\0' && !isprint(c))
+ goto tryanother;
+ }
+
+ /*
+ * Well, that worked.
+ */
+ printf(", from '%.16s'",
+ &nbuf[offset + prpsoffsets[i]]);
+ return;
+
+ tryanother:
+ ;
+ }
+ offset += nh->n_descsz;
+ offset = ((offset + 3)/4)*4;
+ }
+ }
+}
+
+void
+tryelf(fd, buf, nbytes)
+ int fd;
+ char *buf;
+ int nbytes;
+{
+ union {
+ int32 l;
+ char c[sizeof (int32)];
+ } u;
+
+ /*
+ * ELF executables have multiple section headers in arbitrary
+ * file locations and thus file(1) cannot determine it from easily.
+ * Instead we traverse thru all section headers until a symbol table
+ * one is found or else the binary is stripped.
+ */
+ if (buf[EI_MAG0] != ELFMAG0 || buf[EI_MAG1] != ELFMAG1
+ || buf[EI_MAG2] != ELFMAG2 || buf[EI_MAG3] != ELFMAG3)
+ return;
+
+
+ if (buf[4] == ELFCLASS32) {
+ Elf32_Ehdr elfhdr;
+ if (nbytes <= sizeof (Elf32_Ehdr))
+ return;
+
+
+ u.l = 1;
+ (void) memcpy(&elfhdr, buf, sizeof elfhdr);
+ /*
+ * If the system byteorder does not equal the
+ * object byteorder then don't test.
+ * XXX - we could conceivably fix up the "dophn_XXX()" and
+ * "doshn()" routines to extract stuff in the right
+ * byte order....
+ */
+ if ((u.c[sizeof(long) - 1] + 1) == elfhdr.e_ident[5]) {
+ if (elfhdr.e_type == ET_CORE)
+ dophn_core(fd, elfhdr.e_phoff, elfhdr.e_phnum,
+ elfhdr.e_phentsize, buf);
+ else {
+ if (elfhdr.e_type == ET_EXEC) {
+ dophn_exec(fd, elfhdr.e_phoff,
+ elfhdr.e_phnum,
+ elfhdr.e_phentsize, buf);
+ }
+ doshn(fd, elfhdr.e_shoff, elfhdr.e_shnum,
+ elfhdr.e_shentsize, buf);
+ }
+ }
+ return;
+ }
+
+ if (buf[4] == ELFCLASS64) {
+ Elf64_Ehdr elfhdr;
+ if (nbytes <= sizeof (Elf64_Ehdr))
+ return;
+
+
+ u.l = 1;
+ (void) memcpy(&elfhdr, buf, sizeof elfhdr);
+
+ /*
+ * If the system byteorder does not equal the
+ * object byteorder then don't test.
+ * XXX - we could conceivably fix up the "dophn_XXX()" and
+ * "doshn()" routines to extract stuff in the right
+ * byte order....
+ */
+ if ((u.c[sizeof(long) - 1] + 1) == elfhdr.e_ident[5]) {
+#ifdef notyet
+ if (elfhdr.e_type == ET_CORE)
+ dophn_core(fd, elfhdr.e_phoff, elfhdr.e_phnum,
+ elfhdr.e_phentsize, buf);
+ else
+#endif
+ {
+#ifdef notyet
+ if (elfhdr.e_type == ET_EXEC) {
+ dophn_exec(fd, elfhdr.e_phoff,
+ elfhdr.e_phnum,
+ elfhdr.e_phentsize, buf);
+ }
+#endif
+ doshn(fd, elfhdr.e_shoff, elfhdr.e_shnum,
+ elfhdr.e_shentsize, buf);
+ }
+ }
+ return;
+ }
+}
+#endif
diff --git a/usr.bin/file/readelf.h b/usr.bin/file/readelf.h
new file mode 100644
index 00000000000..bf661012747
--- /dev/null
+++ b/usr.bin/file/readelf.h
@@ -0,0 +1,168 @@
+/* $OpenBSD: readelf.h,v 1.1 1997/02/09 23:58:34 millert Exp $ */
+
+/*
+ * readelf.h
+ *
+ * Provide elf data structures for non-elf machines, allowing file
+ * non-elf hosts to determine if an elf binary is stripped.
+ * Note: cobbled from the linux header file, with modifications
+ */
+#ifndef __fake_elf_h__
+#define __fake_elf_h__
+
+typedef unsigned int Elf32_Addr;
+typedef unsigned short Elf32_Half;
+typedef unsigned int Elf32_Off;
+typedef unsigned int Elf32_Word;
+typedef unsigned char Elf32_Char;
+
+/* XXX: We need 64 bit numbers here */
+typedef unsigned int Elf64_Addr[2];
+typedef unsigned short Elf64_Half;
+typedef unsigned int Elf64_Off[2];
+typedef unsigned int Elf64_Word;
+typedef unsigned char Elf64_Char;
+
+#define EI_NIDENT 16
+
+typedef struct {
+ Elf32_Char e_ident[EI_NIDENT];
+ Elf32_Half e_type;
+ Elf32_Half e_machine;
+ Elf32_Word e_version;
+ Elf32_Addr e_entry; /* Entry point */
+ Elf32_Off e_phoff;
+ Elf32_Off e_shoff;
+ Elf32_Word e_flags;
+ Elf32_Half e_ehsize;
+ Elf32_Half e_phentsize;
+ Elf32_Half e_phnum;
+ Elf32_Half e_shentsize;
+ Elf32_Half e_shnum;
+ Elf32_Half e_shstrndx;
+} Elf32_Ehdr;
+
+typedef struct {
+ Elf64_Char e_ident[EI_NIDENT];
+ Elf64_Half e_type;
+ Elf64_Half e_machine;
+ Elf64_Word e_version;
+ Elf64_Addr e_entry; /* Entry point */
+ Elf64_Off e_phoff;
+ Elf64_Off e_shoff;
+ Elf64_Word e_flags;
+ Elf64_Half e_ehsize;
+ Elf64_Half e_phentsize;
+ Elf64_Half e_phnum;
+ Elf64_Half e_shentsize;
+ Elf64_Half e_shnum;
+ Elf64_Half e_shstrndx;
+} Elf64_Ehdr;
+
+/* e_type */
+#define ET_EXEC 2
+#define ET_CORE 4
+
+/* sh_type */
+#define SHT_SYMTAB 2
+#define SHT_NOTE 7
+
+/* elf type */
+#define ELFDATANONE 0 /* e_ident[EI_DATA] */
+#define ELFDATA2LSB 1
+#define ELFDATA2MSB 2
+
+/* elf class */
+#define ELFCLASSNONE 0
+#define ELFCLASS32 1
+#define ELFCLASS64 2
+
+/* magic number */
+#define EI_MAG0 0 /* e_ident[] indexes */
+#define EI_MAG1 1
+#define EI_MAG2 2
+#define EI_MAG3 3
+#define EI_CLASS 4
+#define EI_DATA 5
+#define EI_VERSION 6
+#define EI_PAD 7
+
+#define ELFMAG0 0x7f /* EI_MAG */
+#define ELFMAG1 'E'
+#define ELFMAG2 'L'
+#define ELFMAG3 'F'
+#define ELFMAG "\177ELF"
+
+typedef struct {
+ Elf32_Word p_type;
+ Elf32_Off p_offset;
+ Elf32_Addr p_vaddr;
+ Elf32_Addr p_paddr;
+ Elf32_Word p_filesz;
+ Elf32_Word p_memsz;
+ Elf32_Word p_flags;
+ Elf32_Word p_align;
+} Elf32_Phdr;
+
+#define PT_NULL 0 /* p_type */
+#define PT_LOAD 1
+#define PT_DYNAMIC 2
+#define PT_INTERP 3
+#define PT_NOTE 4
+#define PT_SHLIB 5
+#define PT_PHDR 6
+#define PT_NUM 7
+
+typedef struct {
+ Elf32_Word sh_name;
+ Elf32_Word sh_type;
+ Elf32_Word sh_flags;
+ Elf32_Addr sh_addr;
+ Elf32_Off sh_offset;
+ Elf32_Word sh_size;
+ Elf32_Word sh_link;
+ Elf32_Word sh_info;
+ Elf32_Word sh_addralign;
+ Elf32_Word sh_entsize;
+} Elf32_Shdr;
+
+typedef struct {
+ Elf64_Word sh_name;
+ Elf64_Word sh_type;
+ Elf64_Off sh_flags;
+ Elf64_Addr sh_addr;
+ Elf64_Off sh_offset;
+ Elf64_Off sh_size;
+ Elf64_Word sh_link;
+ Elf64_Word sh_info;
+ Elf64_Off sh_addralign;
+ Elf64_Off sh_entsize;
+} Elf64_Shdr;
+
+/* Notes used in ET_CORE */
+#define NT_PRSTATUS 1
+#define NT_PRFPREG 2
+#define NT_PRPSINFO 3
+#define NT_TASKSTRUCT 4
+
+/* Note header in a PT_NOTE section */
+typedef struct elf_note {
+ Elf32_Word n_namesz; /* Name size */
+ Elf32_Word n_descsz; /* Content size */
+ Elf32_Word n_type; /* Content type */
+} Elf32_Nhdr;
+
+typedef struct {
+ Elf64_Word n_namesz;
+ Elf64_Word n_descsz;
+ Elf64_Word n_type;
+} Elf64_Nhdr;
+
+#define NT_PRSTATUS 1
+#define NT_PRFPREG 2
+#define NT_PRPSINFO 3
+#define NT_PRXREG 4
+#define NT_PLATFORM 5
+#define NT_AUXV 6
+
+#endif
diff --git a/usr.bin/file/softmagic.c b/usr.bin/file/softmagic.c
index bdcde972f1a..a3e2f109620 100644
--- a/usr.bin/file/softmagic.c
+++ b/usr.bin/file/softmagic.c
@@ -1,4 +1,5 @@
-/* $OpenBSD: softmagic.c,v 1.2 1996/06/26 05:33:01 deraadt Exp $ */
+/* $OpenBSD: softmagic.c,v 1.3 1997/02/09 23:58:36 millert Exp $ */
+
/*
* softmagic - interpret variable magic from /etc/magic
*
@@ -28,21 +29,22 @@
#include <stdio.h>
#include <string.h>
+#include <stdlib.h>
#include <time.h>
#include <sys/types.h>
#include "file.h"
#ifndef lint
-static char *moduleid = "$OpenBSD: softmagic.c,v 1.2 1996/06/26 05:33:01 deraadt Exp $";
+static char *moduleid = "$OpenBSD: softmagic.c,v 1.3 1997/02/09 23:58:36 millert Exp $";
#endif /* lint */
static int match __P((unsigned char *, int));
static int mget __P((union VALUETYPE *,
unsigned char *, struct magic *, int));
static int mcheck __P((union VALUETYPE *, struct magic *));
-static void mprint __P((union VALUETYPE *, struct magic *));
-static void mdebug __P((long, char *, int));
+static int32 mprint __P((union VALUETYPE *, struct magic *));
+static void mdebug __P((int32, char *, int));
static int mconvert __P((union VALUETYPE *, struct magic *));
/*
@@ -98,6 +100,13 @@ int nbytes;
int cont_level = 0;
int need_separator = 0;
union VALUETYPE p;
+ static int32 *tmpoff = NULL;
+ static size_t tmplen = 0;
+ int32 oldoff = 0;
+
+ if (tmpoff == NULL)
+ if ((tmpoff = (int32 *) malloc(tmplen = 20)) == NULL)
+ error("out of memory\n");
for (magindex = 0; magindex < nmagic; magindex++) {
/* if main entry matches, print it... */
@@ -113,7 +122,7 @@ int nbytes;
continue;
}
- mprint(&p, &magic[magindex]);
+ tmpoff[cont_level] = mprint(&p, &magic[magindex]);
/*
* If we printed something, we'll need to print
* a blank before we print something else.
@@ -121,7 +130,10 @@ int nbytes;
if (magic[magindex].desc[0])
need_separator = 1;
/* and any continuations that match */
- cont_level++;
+ if (++cont_level >= tmplen)
+ if ((tmpoff = (int32 *) realloc(tmpoff,
+ tmplen += 20)) == NULL)
+ error("out of memory\n");
while (magic[magindex+1].cont_level != 0 &&
++magindex < nmagic) {
if (cont_level >= magic[magindex].cont_level) {
@@ -132,6 +144,10 @@ int nbytes;
*/
cont_level = magic[magindex].cont_level;
}
+ if (magic[magindex].flag & ADD) {
+ oldoff=magic[magindex].offset;
+ magic[magindex].offset += tmpoff[cont_level-1];
+ }
if (mget(&p, s, &magic[magindex], nbytes) &&
mcheck(&p, &magic[magindex])) {
/*
@@ -149,7 +165,7 @@ int nbytes;
(void) putchar(' ');
need_separator = 0;
}
- mprint(&p, &magic[magindex]);
+ tmpoff[cont_level] = mprint(&p, &magic[magindex]);
if (magic[magindex].desc[0])
need_separator = 1;
@@ -158,7 +174,14 @@ int nbytes;
* at a higher level,
* process them.
*/
- cont_level++;
+ if (++cont_level >= tmplen)
+ if ((tmpoff =
+ (int32 *) realloc(tmpoff,
+ tmplen += 20)) == NULL)
+ error("out of memory\n");
+ }
+ if (magic[magindex].flag & ADD) {
+ magic[magindex].offset = oldoff;
}
}
}
@@ -167,13 +190,14 @@ int nbytes;
return 0; /* no match at all */
}
-static void
+static int32
mprint(p, m)
union VALUETYPE *p;
struct magic *m;
{
char *pp, *rt;
- unsigned long v;
+ uint32 v;
+ int32 t=0 ;
switch (m->type) {
@@ -181,6 +205,7 @@ struct magic *m;
v = p->b;
v = signextend(m, v) & m->mask;
(void) printf(m->desc, (unsigned char) v);
+ t = m->offset + sizeof(char);
break;
case SHORT:
@@ -189,6 +214,7 @@ struct magic *m;
v = p->h;
v = signextend(m, v) & m->mask;
(void) printf(m->desc, (unsigned short) v);
+ t = m->offset + sizeof(short);
break;
case LONG:
@@ -196,17 +222,25 @@ struct magic *m;
case LELONG:
v = p->l;
v = signextend(m, v) & m->mask;
- (void) printf(m->desc, (unsigned long) v);
+ (void) printf(m->desc, (uint32) v);
+ t = m->offset + sizeof(int32);
break;
case STRING:
if (m->reln == '=') {
(void) printf(m->desc, m->value.s);
+ t = m->offset + strlen(m->value.s);
}
else {
+ if (*m->value.s == '\0') {
+ char *cp = strchr(p->s,'\n');
+ if (cp)
+ *cp = '\0';
+ }
(void) printf(m->desc, p->s);
+ t = m->offset + strlen(p->s);
}
- return;
+ break;
case DATE:
case BEDATE:
@@ -215,11 +249,14 @@ struct magic *m;
if ((rt = strchr(pp, '\n')) != NULL)
*rt = '\0';
(void) printf(m->desc, pp);
- return;
+ t = m->offset + sizeof(time_t);
+ break;
+
default:
error("invalid m->type (%d) in mprint().\n", m->type);
/*NOTREACHED*/
}
+ return(t);
}
/*
@@ -230,8 +267,6 @@ mconvert(p, m)
union VALUETYPE *p;
struct magic *m;
{
- char *rt;
-
switch (m->type) {
case BYTE:
case SHORT:
@@ -239,17 +274,21 @@ struct magic *m;
case DATE:
return 1;
case STRING:
- /* Null terminate and eat the return */
- p->s[sizeof(p->s) - 1] = '\0';
- if ((rt = strchr(p->s, '\n')) != NULL)
- *rt = '\0';
- return 1;
+ {
+ char *ptr;
+
+ /* Null terminate and eat the return */
+ p->s[sizeof(p->s) - 1] = '\0';
+ if ((ptr = strchr(p->s, '\n')) != NULL)
+ *ptr = '\0';
+ return 1;
+ }
case BESHORT:
p->h = (short)((p->hs[0]<<8)|(p->hs[1]));
return 1;
case BELONG:
case BEDATE:
- p->l = (long)
+ p->l = (int32)
((p->hl[0]<<24)|(p->hl[1]<<16)|(p->hl[2]<<8)|(p->hl[3]));
return 1;
case LESHORT:
@@ -257,7 +296,7 @@ struct magic *m;
return 1;
case LELONG:
case LEDATE:
- p->l = (long)
+ p->l = (int32)
((p->hl[3]<<24)|(p->hl[2]<<16)|(p->hl[1]<<8)|(p->hl[0]));
return 1;
default:
@@ -269,11 +308,11 @@ struct magic *m;
static void
mdebug(offset, str, len)
-long offset;
+int32 offset;
char *str;
int len;
{
- (void) fprintf(stderr, "mget @%ld: ", offset);
+ (void) fprintf(stderr, "mget @%d: ", offset);
showstr(stderr, (char *) str, len);
(void) fputc('\n', stderr);
(void) fputc('\n', stderr);
@@ -286,7 +325,7 @@ unsigned char *s;
struct magic *m;
int nbytes;
{
- long offset = m->offset;
+ int32 offset = m->offset;
if (offset + sizeof(union VALUETYPE) <= nbytes)
memcpy(p, s + offset, sizeof(union VALUETYPE));
@@ -295,7 +334,7 @@ int nbytes;
* the usefulness of padding with zeroes eludes me, it
* might even cause problems
*/
- long have = nbytes - offset;
+ int32 have = nbytes - offset;
memset(p, 0, sizeof(union VALUETYPE));
if (have > 0)
memcpy(p, s + offset, have);
@@ -345,8 +384,8 @@ mcheck(p, m)
union VALUETYPE* p;
struct magic *m;
{
- register unsigned long l = m->value.l;
- register unsigned long v;
+ register uint32 l = m->value.l;
+ register uint32 v;
int matched;
if ( (m->value.s[0] == 'x') && (m->value.s[1] == '\0') ) {
@@ -389,7 +428,7 @@ struct magic *m;
register int len = m->vallen;
while (--len >= 0)
- if ((v = *b++ - *a++) != 0)
+ if ((v = *b++ - *a++) != '\0')
break;
}
break;
@@ -403,21 +442,21 @@ struct magic *m;
switch (m->reln) {
case 'x':
if (debug)
- (void) fprintf(stderr, "%lu == *any* = 1\n", v);
+ (void) fprintf(stderr, "%u == *any* = 1\n", v);
matched = 1;
break;
case '!':
matched = v != l;
if (debug)
- (void) fprintf(stderr, "%lu != %lu = %d\n",
+ (void) fprintf(stderr, "%u != %u = %d\n",
v, l, matched);
break;
case '=':
matched = v == l;
if (debug)
- (void) fprintf(stderr, "%lu == %lu = %d\n",
+ (void) fprintf(stderr, "%u == %u = %d\n",
v, l, matched);
break;
@@ -425,13 +464,13 @@ struct magic *m;
if (m->flag & UNSIGNED) {
matched = v > l;
if (debug)
- (void) fprintf(stderr, "%lu > %lu = %d\n",
+ (void) fprintf(stderr, "%u > %u = %d\n",
v, l, matched);
}
else {
- matched = (long) v > (long) l;
+ matched = (int32) v > (int32) l;
if (debug)
- (void) fprintf(stderr, "%ld > %ld = %d\n",
+ (void) fprintf(stderr, "%d > %d = %d\n",
v, l, matched);
}
break;
@@ -440,13 +479,13 @@ struct magic *m;
if (m->flag & UNSIGNED) {
matched = v < l;
if (debug)
- (void) fprintf(stderr, "%lu < %lu = %d\n",
+ (void) fprintf(stderr, "%u < %u = %d\n",
v, l, matched);
}
else {
- matched = (long) v < (long) l;
+ matched = (int32) v < (int32) l;
if (debug)
- (void) fprintf(stderr, "%ld < %ld = %d\n",
+ (void) fprintf(stderr, "%d < %d = %d\n",
v, l, matched);
}
break;
@@ -454,14 +493,14 @@ struct magic *m;
case '&':
matched = (v & l) == l;
if (debug)
- (void) fprintf(stderr, "((%lx & %lx) == %lx) = %d\n",
+ (void) fprintf(stderr, "((%x & %x) == %x) = %d\n",
v, l, l, matched);
break;
case '^':
matched = (v & l) != l;
if (debug)
- (void) fprintf(stderr, "((%lx & %lx) != %lx) = %d\n",
+ (void) fprintf(stderr, "((%x & %x) != %x) = %d\n",
v, l, l, matched);
break;
diff --git a/usr.bin/file/tar.h b/usr.bin/file/tar.h
index 346831bde5d..9246a133bd0 100644
--- a/usr.bin/file/tar.h
+++ b/usr.bin/file/tar.h
@@ -1,4 +1,5 @@
-/* * $OpenBSD: tar.h,v 1.2 1996/06/26 05:33:02 deraadt Exp $ # checkin only*/
+/* $OpenBSD: tar.h,v 1.3 1997/02/09 23:58:37 millert Exp $ */
+
/*
* Header file for public domain tar (tape archive) program.
*
diff --git a/usr.bin/fmt/fmt.1 b/usr.bin/fmt/fmt.1
index aacc8f4eb79..3b223ff8842 100644
--- a/usr.bin/fmt/fmt.1
+++ b/usr.bin/fmt/fmt.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: fmt.1,v 1.2 1996/06/26 05:33:20 deraadt Exp $
+.\" $OpenBSD: fmt.1,v 1.3 1997/02/09 23:58:42 millert Exp $
.\" $NetBSD: fmt.1,v 1.3 1995/09/01 01:29:40 jtc Exp $
.\"
.\" Copyright (c) 1980, 1990, 1993
@@ -42,6 +42,7 @@
.Nd simple text formatter
.Sh SYNOPSIS
.Nm fmt
+.Fl c
.Oo
.Ar goal
.Op Ar maximum
@@ -61,6 +62,11 @@ to 65 and the maximum to 75. The spacing at the beginning of the
input lines is preserved in the output, as are blank lines and
interword spacing.
.Pp
+.Fl c
+instructs
+.Nm fmt
+to center the text.
+.Pp
.Nm Fmt
is meant to format mail messages prior to sending, but may also be useful
for other simple tasks.
diff --git a/usr.bin/rdist/os-openbsd.h b/usr.bin/rdist/os-openbsd.h
index e4023520b56..99862dc546f 100644
--- a/usr.bin/rdist/os-openbsd.h
+++ b/usr.bin/rdist/os-openbsd.h
@@ -1,4 +1,4 @@
-/* * $OpenBSD: os-openbsd.h,v 1.3 1996/06/26 05:38:15 deraadt Exp $*/
+/* * $OpenBSD: os-openbsd.h,v 1.4 1997/02/09 23:58:44 millert Exp $*/
/*
* Copyright (c) 1993 Michael A. Cooper
* Copyright (c) 1993 Regents of the University of California.
@@ -156,4 +156,4 @@ typedef void POINTER;
* Define this only if the pathname is different than
* that which appears in "include/paths.h".
*/
-#define _PATH_REMSH "/usr/bin/rsh" /**/
+#define _PATH_REMSH "/usr/local/bin/ssh" /**/