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Mirror of Suckless' sbase (git://git.suckless.org/sbase)
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FRIGN b6b977f63d Audit tar(1), add DIRFIRST-flag to recurse() 
I've been wanting to do this for a while now, as tar(1) used to
be one of messiest and cruftiest tools.
First off, before walking through the audit, I'll talk about
what the DIRFIRST-flag for recurse() does.
It basically calls fn() on the first-level-dir before calling
it's subentries. It's necessary here, because else the order
of the tar-files would've been wrong (it would try to create
dir/file before creating dir/).

Now, to the audit:
1)  Update manpage, fix mistake that compression is also available
    for compressing. It's only available for extracting.
2)  Define the major, minor and makedev macros from glibc by ourselves.
    No need to rely on them, as they are common sense.

decomp()
3)  Simple refactorization.

putoctal()
4)  Add a truncation check for snprintf().

archive()
5)  BUGFIX: Add checks to any checkable function, don't blindly call
    them, this is harmful and there are 100 ways to exploit that.
6)  Use estrlcpy() instead of snprintf() wherever possible, fix
    alignment.
7)  BUGFIX: Terminate the result-buffer of readlink(), check if
    it even succeeded.
8)  Fix sizeof()-formatting.

unarchive()
9)  BUGFIX: Add checks to any checkable function, don't blindly call
    them, this is harmful and there are 100 ways to exploit that.
10) BUGFIX: strtoul can happily return negative numbers. Add checks
    for that and also if the full string has been processed.
11) Remove calls to perror(). We have eprintf, use it.
12) BUGFIX: "minor = strtoul(h->mode, 0, 8);". We need h->minor of
    course.
13) Fix typo "usupported", remove fprintf-call.

print()
14) Check fread().

xt()
15) Get rid of snprintf-magic. Use estrlcat().
16) BUGFIX: check for ferror() on the tarfile.

usage()
17) Update it. The old usage() was like 1000 years old.

main()
18) Add DIRFIRST-flag to the recursor.
19) Don't print usage() when a mode is re-set. We allow this in
    general.
20) Add function checks and fix error messages.
21) Add tarfilename-global for proper error-messages.
 		2015-03-21 01:30:47 +01:00
libutf Add mkrunetype.awk 2015-02-23 20:36:47 +01:00
libutil Audit tar(1), add DIRFIRST-flag to recurse() 2015-03-21 01:30:47 +01:00
LICENSE nl: add -d -p -f -h options 2015-03-19 10:10:55 +00:00
Makefile Remove apathmax() and implicitly agetcwd() 2015-03-18 15:20:35 +01:00
README Audit tar(1), add DIRFIRST-flag to recurse() 2015-03-21 01:30:47 +01:00
TODO Remove file(1) from TODO 2015-03-06 11:26:28 +00:00
arg.h ARGNUMF() only works on base 10 as it uses strtonum underneath 2015-01-30 16:45:44 +00:00
basename.1 Refactor basename.1 2015-02-28 15:09:47 +01:00
basename.c Fix broken sbase-box due to multiple definitions of usage 2015-02-28 18:33:33 +00:00
cal.1 Audit cal(1) 2015-03-08 21:28:32 +01:00
cal.c style: document intentional fallthrough 2015-03-09 00:33:13 +01:00
cat.1 Audit cat(1) 2015-03-02 00:39:26 +01:00
cat.c Small style-fix in cat.c 2015-03-16 10:36:36 +01:00
chgrp.1 Audit chgrp(1) 2015-03-08 23:31:59 +01:00
chgrp.c Refactor recurse() again 2015-03-19 01:08:19 +01:00
chmod.1 Audit chmod(1) 2015-03-05 19:08:28 +01:00
chmod.c Refactor recurse() again 2015-03-19 01:08:19 +01:00
chown.1 Audit chown(1) 2015-03-09 00:42:23 +01:00
chown.c Refactor recurse() again 2015-03-19 01:08:19 +01:00
chroot.1 Finish up chroot(1) and md5sum(1) 2015-01-31 23:54:51 +01:00
chroot.c Don't return but _exit after failed exec*() and fork() 2015-03-09 01:12:59 +01:00
cksum.1 Add .Os sbase and sed replace to .Os sbase $(VERSION) in make install 2015-01-31 19:37:03 +00:00
cksum.c cksum: Report exit status properly 2015-03-11 12:35:29 +00:00
cmp.1 Refactor cmp(1) code and manpage 2015-02-07 21:05:33 +01:00
cmp.c Print usage() when -l and -s are both given in cmp(1) 2015-03-11 13:31:08 +01:00
col.1 col.1: convert to mandoc 2015-03-07 13:56:13 +01:00
col.c Remove mallocarray(...) and use reallocarray(NULL, ...) 2015-03-11 10:50:18 +01:00
cols.1 Audit cols(1) 2015-03-08 19:49:59 +01:00
cols.c Audit cols(1) 2015-03-08 19:49:59 +01:00
comm.1 Add .Os sbase and sed replace to .Os sbase $(VERSION) in make install 2015-01-31 19:37:03 +00:00
comm.c Audit comm(1) 2015-03-11 13:47:08 +01:00
compat.h Add compat.h 2014-11-17 15:46:28 +00:00
config.mk Add info about NetBSD to config.mk 2015-02-20 16:24:17 +00:00
cp.1 Audit cp(1) 2015-03-02 19:15:19 +01:00
cp.c Audit cp() in libutil 2015-03-19 17:57:12 +01:00
cron.1 cron.1: path macro for /etc/crontab 2015-02-06 15:43:23 +01:00
cron.c Use switch with fork() 2015-03-09 15:01:29 +01:00
crypt.h Refactor cryptcheck() to allow multiple list-files and stdin 2015-03-01 22:51:52 +01:00
cut.1 man pages: fix some typos 2015-02-01 21:28:17 +01:00
cut.c Audit cut(1) 2015-03-11 17:29:18 +01:00
date.1 Add .Os sbase and sed replace to .Os sbase $(VERSION) in make install 2015-01-31 19:37:03 +00:00
date.c Audit date(1) 2015-03-02 15:12:19 +01:00
dirname.1 Audit dirname(1) 2015-02-28 19:51:07 +01:00
dirname.c Audit dirname(1) 2015-02-28 19:51:07 +01:00
du.1 Update manpage for du(1) 2015-02-18 20:42:23 +00:00
du.c Refactor recurse() again 2015-03-19 01:08:19 +01:00
echo.1 Audit echo(1) 2015-02-28 20:16:10 +01:00
echo.c Make already audited tools argv-centric instead of argc-centric 2015-03-02 14:19:26 +01:00
env.1 Audit env(1) 2015-03-02 14:53:24 +01:00
env.c Don't return but _exit after failed exec*() and fork() 2015-03-09 01:12:59 +01:00
expand.1 Audit expand(1) 2015-03-13 00:38:29 +01:00
expand.c Audit expand(1) 2015-03-13 00:38:29 +01:00
expr.1 Add periods in expr.1 2015-02-10 00:34:47 +01:00
expr.c untypedef expr, find, test, as is existing style in sbase 2015-03-17 20:04:26 +00:00
false.1 Add .Os sbase and sed replace to .Os sbase $(VERSION) in make install 2015-01-31 19:37:03 +00:00
false.c Simplify true(1) and false(1) 2014-10-03 00:03:08 +01:00
find.1 add find.1, sed.1, time.1 stubs 2015-02-28 13:46:20 +01:00
find.c untypedef expr, find, test, as is existing style in sbase 2015-03-17 20:04:26 +00:00
fold.1 Audit fold(1) 2015-03-13 23:50:09 +01:00
fold.c Rewrite foldline() in fold(1) 2015-03-16 19:26:42 +01:00
fs.h Audit tar(1), add DIRFIRST-flag to recurse() 2015-03-21 01:30:47 +01:00
grep.1 man pages: improve consistency 2015-02-01 20:52:28 +01:00
grep.c grep, kill, renice, sort: style: put main at bottom 2015-03-08 12:51:33 +01:00
head.1 Remove judging word from head.1 and tail.1 as well 2015-03-13 23:54:13 +01:00
head.c Small fix in head.c 2015-03-06 00:32:22 +01:00
hostname.1 Audit hostname(1) 2015-02-28 21:22:55 +01:00
hostname.c Audit hostname(1) 2015-02-28 21:22:55 +01:00
kill.1 Audit kill(1) 2015-03-16 12:37:46 +01:00
kill.c kill: No need for const int 2015-03-19 10:45:58 +00:00
link.1 Add .Os sbase and sed replace to .Os sbase $(VERSION) in make install 2015-01-31 19:37:03 +00:00
link.c Audit unlink(1) 2015-02-28 20:05:22 +01:00
ln.1 Audit ln(1) 2015-03-05 21:14:43 +01:00
ln.c Audit ln(1) 2015-03-05 21:14:43 +01:00
logger.1 Audit logger(1) 2015-03-07 00:10:22 +01:00
logger.c Add estrlcat() and estrlcpy() 2015-03-17 11:24:49 +01:00
logname.1 Add .Os sbase and sed replace to .Os sbase $(VERSION) in make install 2015-01-31 19:37:03 +00:00
logname.c Audit logname(1) 2015-03-17 00:44:18 +01:00
ls.1 ls: add -f and -S options 2015-03-19 10:12:12 +00:00
ls.c ls: add -f and -S options 2015-03-19 10:12:12 +00:00
md5.h Add crypt.[ch] and update md5sum and sha1sum 2013-07-18 09:51:17 -04:00
md5sum.1 Update *sum(1)-manpages and mark them as finished and audited 2015-03-01 22:59:20 +01:00
md5sum.c Refactor cryptcheck() to allow multiple list-files and stdin 2015-03-01 22:51:52 +01:00
mkdir.1 Add .Os sbase and sed replace to .Os sbase $(VERSION) in make install 2015-01-31 19:37:03 +00:00
mkdir.c Three bugfixes in mkdir(1) 2015-03-13 12:23:22 +01:00
mkfifo.1 Add .Os sbase and sed replace to .Os sbase $(VERSION) in make install 2015-01-31 19:37:03 +00:00
mkfifo.c Audit mkfifo(1) 2015-03-02 17:25:29 +01:00
mktemp.1 Finish up printenv(1) 2015-02-01 00:23:38 +01:00
mktemp.c Add estrlcat() and estrlcpy() 2015-03-17 11:24:49 +01:00
mv.1 Audit mv(1) 2015-03-04 23:22:43 +01:00
mv.c Audit cp() in libutil 2015-03-19 17:57:12 +01:00
nice.1 Audit nice(1) 2015-03-02 16:53:13 +01:00
nice.c Don't return but _exit after failed exec*() and fork() 2015-03-09 01:12:59 +01:00
nl.1 nl: UTF-8 support and removed the two characters limit for delimiter 2015-03-20 20:21:20 +00:00
nl.c nl: UTF-8 support and removed the two characters limit for delimiter 2015-03-20 20:21:20 +00:00
nohup.1 Add EXIT STATUS to nohup.1 2015-03-05 00:27:36 +01:00
nohup.c Don't return but _exit after failed exec*() and fork() 2015-03-09 01:12:59 +01:00
paste.1 Add .Os sbase and sed replace to .Os sbase $(VERSION) in make install 2015-01-31 19:37:03 +00:00
paste.c Audit paste(1) 2015-03-17 21:34:38 +01:00
printenv.1 Finish up printenv(1) 2015-02-01 00:23:38 +01:00
printenv.c Make already audited tools argv-centric instead of argc-centric 2015-03-02 14:19:26 +01:00
printf.1 Add printf(1) 2015-02-15 14:46:58 +01:00
printf.c Audit printf(1) 2015-03-17 21:43:01 +01:00
pwd.1 Audit pwd(1) 2015-03-03 17:24:14 +01:00
pwd.c Remove apathmax() and implicitly agetcwd() 2015-03-18 15:20:35 +01:00
queue.h Use queue.h in grep(1) 2014-11-16 12:39:15 +00:00
readlink.1 Audit readlink(1) 2015-03-20 22:14:31 +01:00
readlink.c Audit readlink(1) 2015-03-20 22:14:31 +01:00
renice.1 Audit renice(1) 2015-03-17 22:15:09 +01:00
renice.c Audit renice(1) 2015-03-17 22:15:09 +01:00
rm.1 Audit rm(1) 2015-02-28 21:31:23 +01:00
rm.c Refactor recurse() again 2015-03-19 01:08:19 +01:00
rmdir.1 Update rmdir.1 as well 2015-03-02 17:14:29 +01:00
rmdir.c Add argv0 to usage() in rmdir.c 2015-03-02 16:24:08 +01:00
sed.1 add find.1, sed.1, time.1 stubs 2015-02-28 13:46:20 +01:00
sed.c Add estrlcat() and estrlcpy() 2015-03-17 11:24:49 +01:00
seq.1 Audit seq(1) 2015-03-20 16:05:31 +01:00
seq.c Reorder variables in seq(1) 2015-03-20 16:37:29 +01:00
setsid.1 Finish up setsid(1) 2015-02-01 00:47:32 +01:00
setsid.c fork: no need to _exit() on the error case 2015-03-10 20:05:18 +01:00
sha1.h Add crypt.[ch] and update md5sum and sha1sum 2013-07-18 09:51:17 -04:00
sha1sum.1 Update *sum(1)-manpages and mark them as finished and audited 2015-03-01 22:59:20 +01:00
sha1sum.c Refactor cryptcheck() to allow multiple list-files and stdin 2015-03-01 22:51:52 +01:00
sha256.h Add sha256sum(1) 2013-07-20 13:20:16 -04:00
sha256sum.1 Update *sum(1)-manpages and mark them as finished and audited 2015-03-01 22:59:20 +01:00
sha256sum.c Refactor cryptcheck() to allow multiple list-files and stdin 2015-03-01 22:51:52 +01:00
sha512.h Add sha512sum(1) 2013-08-04 11:00:34 -04:00
sha512sum.1 Update *sum(1)-manpages and mark them as finished and audited 2015-03-01 22:59:20 +01:00
sha512sum.c Refactor cryptcheck() to allow multiple list-files and stdin 2015-03-01 22:51:52 +01:00
sleep.1 Add .Os sbase and sed replace to .Os sbase $(VERSION) in make install 2015-01-31 19:37:03 +00:00
sleep.c Audit sleep(1) 2015-02-28 20:10:25 +01:00
sort.1 sort: minor manual page adjustments 2015-02-01 21:46:58 +01:00
sort.c grep, kill, renice, sort: style: put main at bottom 2015-03-08 12:51:33 +01:00
split.1 Audit split(1) 2015-03-17 22:59:48 +01:00
split.c Audit split(1) 2015-03-17 22:59:48 +01:00
sponge.1 Refactor sponge(1) code and manpage 2015-02-08 22:17:21 +01:00
sponge.c Audit sponge(1) 2015-03-01 23:42:16 +01:00
strings.1 chown.1, strings.1: fix date 2015-02-28 13:43:29 +01:00
strings.c Audit strings(1) 2015-03-17 23:05:50 +01:00
sync.1 Refactor sync(1) code and manpage 2015-02-08 22:08:14 +01:00
sync.c Add arg.h-handling to sync(1) and unlink(1) 2015-02-08 22:13:50 +01:00
tail.1 Audit tail(1) 2015-03-17 23:24:43 +01:00
tail.c Audit tail(1) 2015-03-17 23:24:43 +01:00
tar.1 Audit tar(1), add DIRFIRST-flag to recurse() 2015-03-21 01:30:47 +01:00
tar.c Audit tar(1), add DIRFIRST-flag to recurse() 2015-03-21 01:30:47 +01:00
tee.1 Audit tee(1) 2015-03-04 23:05:11 +01:00
tee.c Audit tee(1) 2015-03-04 23:05:11 +01:00
test.1 Audit test(1) 2015-03-17 23:35:11 +01:00
test.c Audit test(1) 2015-03-17 23:35:11 +01:00
text.h Use size_t for number of lines in linebuf 2015-01-31 22:49:43 +00:00
time.1 Add time(1) manpage 2015-03-05 00:22:36 +01:00
time.c fork: no need to _exit() on the error case 2015-03-10 20:05:18 +01:00
touch.1 Audit touch(1) 2015-03-17 23:38:09 +01:00
touch.c Audit touch(1) 2015-03-17 23:38:09 +01:00
tr.1 Update escape-sequence information in tr.1 2015-02-15 14:56:49 +01:00
tr.c Audit tr(1) 2015-03-17 23:41:22 +01:00
true.1 man pages: improve consistency 2015-02-01 20:52:28 +01:00
true.c Simplify true(1) and false(1) 2014-10-03 00:03:08 +01:00
tty.1 Refactor tty(1) code and manpage 2015-02-07 22:00:28 +01:00
tty.c Audit tty(1) 2015-02-28 19:59:34 +01:00
uname.1 Refactor uname(1) code and manpage 2015-02-07 22:15:56 +01:00
uname.c Clean up #includes 2015-02-14 21:12:23 +01:00
unexpand.1 Refactor unexpand(1) code and manpage, adding tablist support 2015-02-08 21:24:22 +01:00
unexpand.c Audit unexpand(1) 2015-03-17 23:45:03 +01:00
uniq.1 Audit uniq(1) 2015-03-17 23:59:09 +01:00
uniq.c Audit uniq(1) 2015-03-17 23:59:09 +01:00
unlink.1 Refactor unlink(1) code and manpage 2015-02-08 21:59:59 +01:00
unlink.c Audit unlink(1) 2015-02-28 20:05:22 +01:00
utf.h Scrap chartorunearr(), introducing utftorunestr() 2015-02-11 21:32:09 +01:00
util.h Remove apathmax() and implicitly agetcwd() 2015-03-18 15:20:35 +01:00
uudecode.1 Audit uudecode(1) 2015-03-18 00:10:36 +01:00
uudecode.c Audit uudecode(1) 2015-03-18 00:10:36 +01:00
uuencode.1 Remove comma from uuencode.1 2015-03-18 00:18:28 +01:00
uuencode.c Audit uuencode(1) 2015-03-18 00:14:56 +01:00
wc.1 Audit wc(1) 2015-03-18 00:20:19 +01:00
wc.c Audit wc(1) 2015-03-18 00:20:19 +01:00
xargs.1 xargs.1: dont justify text, remove " " 2015-02-06 15:43:46 +01:00
xargs.c fork: no need to _exit() on the error case 2015-03-10 20:05:18 +01:00
yes.1 Finish up yes(1) by adding multiple string support 2015-02-01 02:13:47 +01:00
yes.c Make already audited tools argv-centric instead of argc-centric 2015-03-02 14:19:26 +01:00

README 

sbase - suckless unix tools
===========================

sbase  is a  collection of  unix  tools that  are inherently  portable
across UNIX and UNIX-like systems.

The following tools are implemented ('*' == finished, '#' == UTF-8 support,
'=' == implicit UTF-8 support, '|' == audited, () == petty flag):

    UTILITY         POSIX 2008 COMPLIANT         MISSING OPTIONS
    -------         --------------------         ---------------
=*| basename        yes                          none
=*| cal             yes                          none
=*| cat             yes                          none
=*| chgrp           yes                          none
=*| chmod           yes                          none
=*| chown           yes                          none
=*| chroot          non-posix                    none
=*| cksum           yes                          none
=*| cmp             yes                          none
#*| cols            non-posix                    none
    col             yes                          none
=*| comm            yes                          none
=*| cp              yes                          none (-i)
=*| cron            non-posix                    none
#*| cut             yes                          none
=*| date            yes                          none
=*| dirname         yes                          none
=*| du              yes                          none
=*| echo            yes                          none
=*| env             yes                          none
#*| expand          yes                          none
#*  expr            yes                          none
=*| false           yes                          none
=   find            yes                          none
#*| fold            yes                          none
=*  grep            yes                          none
=*| head            yes                          none
=*| hostname        non-posix                    none
=*| kill            yes                          none
=*| link            yes                          none
=*| ln              yes                          none
=*| logger          yes                          none
=*| logname         yes                          none
#*  ls              no                           none (-C, -m, -s, -x)
=*| md5sum          non-posix                    none
=*| mkdir           yes                          none
=*| mkfifo          yes                          none
=*| mktemp          non-posix                    none
=*| mv              yes                          none (-i)
=*| nice            yes                          none
#*  nl              yes                          none
=*| nohup           yes                          none
#*| paste           yes                          none
=*| printenv        non-posix                    none
#*| printf          yes                          none
=*| pwd             yes                          none
=*| readlink        non-posix                    none
=*| renice          yes                          none
=*| rm              yes                          none (-i)
=*| rmdir           yes                          none
#   sed             yes                          none
=*| seq             non-posix                    none
=*| setsid          non-posix                    none
=*| sha1sum         non-posix                    none
=*| sha256sum       non-posix                    none
=*| sha512sum       non-posix                    none
=*| sleep           yes                          none
    sort            no                           -m, -o, -d, -f, -i
=*| split           yes                          none
=*| sponge          non-posix                    none
#*| strings         yes                          none
=*| sync            non-posix                    none
=*| tail            yes                          none
=*| tar             non-posix                    none
=*| tee             yes                          none
=*| test            yes                          none
=*| time            yes                          none
=*| touch           yes                          none
#*| tr              yes                          none
=*| true            yes                          none
=*| tty             yes                          none
=*| uname           yes                          none
#*| unexpand        yes                          none
=*| uniq            yes                          none
=*| unlink          yes                          none
=*| uudecode        yes                          none
=*| uuencode        yes                          none
#*| wc              yes                          none
=   xargs           no                           -I, -L, -p, -s, -t, -x
=*| yes             non-posix                    none

The  complement of  sbase  is  ubase[1] which  is  Linux-specific  and
provides all  the non-portable tools.   Together they are  intended to
form a base system similar to busybox but much smaller and suckless.

Building
--------

To  build sbase,  simply  type  make.  You  may  have  to fiddle  with
config.mk depending on your system.

You  can  also  build  sbase-box,  which  generates  a  single  binary
containing  all  the  required  tools.    You  can  then  symlink  the
individual tools to sbase-box or run: make sbase-box-install

Ideally you will  want to statically link sbase.  If  you are on Linux
we recommend using musl-libc[2].

Portability
-----------

sbase has been  compiled on a variety of  different operating systems,
including Linux, *BSD, OSX, Haiku, Solaris, SCO OpenServer and others.

Various combinations of operating  systems and architectures have also
been built.

You can build sbase with gcc, clang, tcc, nwcc and pcc.

[1] http://git.suckless.org/ubase/
[2] http://www.musl-libc.org/