1 TODO list for busybox in no particular order. Just because something
2 is listed here doesn't mean that it is going to be added to busybox,
3 or that doing so is even a good idea. It just means that I _might_ get
4 around to it some time. If you have any good ideas, please let me know.
6 * login/sulogin/passwd/getty/etc are part of tinylogin, and so are not
7 needed or wanted in busybox (or else I'd have to link to libcrypt).
9 * Networking apps are probably going to be split out some time soon into a
10 separate package (named perhaps netkit-tiny?). This would remove the
11 following items from BusyBox: hostid, hostname, nc, nslookup, telnet,
12 and ping. nfs mounting and syslogd (when it supports network logging)
13 will remain in BusyBox.
19 Bugs that need fixing before the 0.44 release goes out the door:
21 - 'grep foo$ file' doesn't work
22 - 'grep *foo file' segfaults
23 - ps dirent race bug (need to stat the file before attempting chdir)
24 - Make 'ln -s /tmp/file .' work the way GNU ln does (i.e. makes a link to
25 /tmp/file in the current directory, rather then trying and failing to create
26 a symlink named "." in the current working directory).
27 - "math" should also take input from stdin
28 - "more" doesn't accept " " to scroll by one page when BB_FEATURE_USE_TERMIOS
34 * Make insmod actually work
41 * wget (or whatever I call it)
44 * group/commonize strings, remove dups (for i18n, l10n)
45 * consider making a unified option parser (if it can be done modular, small, etc.)
47 -----------------------
49 Running the following:
51 rm -f busybox && make LDFLAGS+=-nostdlib 2>&1 | \
52 sed -ne 's/.*undefined reference to `\(.*\)..*/\1/gp' | sort | uniq
54 reveals the list of all external (i.e. libc) things that BusyBox depends on.
55 It would be a very nice thing to reduce this list to an absolute minimum, and
56 then create a microLibc to provide these functions. There is no good reason
57 for GNU libc to be so big. I'm sure it can be a lot better.
59 (BTW, this is more informative if BB_FEATURE_NFSMOUNT is turned off...)
63 [andersen@slag busybox]$ grep -l getgroups *.[ch]
66 Policy violation. getgroups uses libc nss, which is unlikely
67 to be present in an embedded system.
69 To be replaced with a busybox local glob routine:
71 [andersen@slag busybox]$ grep -l glob *.[ch]
78 Can check_wildcard_match() from utility.c do this job?
81 -----------------------
83 Compile with debugging on, run 'nm --size-sort ./busybox'
84 and then start with the biggest things and make them smaller...
86 -----------------------
88 busybox.defs.h is too big and hard to follow.
90 Perhaps I need to add a better build system (like the Linux kernel?)
92 -----------------------
96 /bin/busybox --install -s which makes all links to commands that it
97 can support (an optionnal -s should be used for symbolic links instead
100 -----------------------
103 > Have you ever thought of doig network logging in busybox syslogd ? It
104 > would quite make sense on embedded systems... :)
106 So far I had not considered it. Basically, you wish to have
107 messages from the embedded box logged to a remote network
108 syslog box, right? I can see that this would be useful.
109 I'll add this to the TODO list,
112 -----------------------
115 I think that the add_inode &c in utility.c needs to also stow the
116 st_dev field, and that du.c should NOT call `reset_inode_list'
117 because there can be hard links from inside one argv/ to inside
118 another argv/. du.c probably ought to have an -x switch like GNU du
122 ------------------------------------------------------------------
124 An interesting email listing some apps that use /proc. BusyBox
125 tries to avoid /proc as mush as is possible, so this stuff is
126 interesting (to me at least):
129 Date: Fri, 25 Feb 2000 08:23:12 +0000 (GMT)
130 From: Riley Williams <rhw@MemAlpha.CX>
131 X-Sender: rhw@moo.cus.org.uk
132 To: almesber@lrc.di.epfl.ch
133 Cc: "Albert D. Cahalan" <acahalan@cs.uml.edu>,
134 Linux Kernel <linux-kernel@vger.rutgers.edu>
135 Subject: Re: What /proc should contain [was: /proc/driver/microcode]
136 In-Reply-To: <20000224165245.A29790@lrc.di.epfl.ch>
137 Message-ID: <Pine.LNX.4.21.0002250806220.8741-100000@moo.cus.org.uk>
138 Sender: owner-linux-kernel@vger.rutgers.edu
143 >> Nope, most /proc access is does via programs written in C.
145 > That varies a lot from file to file. E.g. I haven't seen any
146 > programs that are specificly designed to read /proc/atm/* yet,
147 > and I know of only one (fuser) that reads /proc/mounts,
148 > extracting only partial information (just to pick two examples
149 > that I'm quite familiar with).
151 As a point of reference, here's a slightly tweaked analysis of the
152 programs on the system I'm reading your mail on. Basically, I ran the
158 Q> strings $Z | grep /proc | sed "s=^=$Z ="
161 Q> use /{,s}bin/* /usr/{,s}bin/* | sort -u | tee proc-usage
163 ...and then went through it removing comments and print format
164 strings. Replace /proc with /dev and you'd soon have an equivalent
165 list for that - although I can report that such is MUCH larger...
167 There are three programs therein that refer to /proc/mounts ...
173 ...and, as you stated, none that refer to /proc/atm on this system.
174 However, as this is a RedHat Linux 5.0 based system, that's not
175 necessarily an up to date reference thereto...
177 Here's the list anyway...
179 /bin/kill /proc/%d/cmdline
180 /bin/kill /proc/%d/stat
182 /bin/mount /proc/devices
183 /bin/mount /proc/filesystems
184 /bin/mount /proc/mounts
186 /bin/netstat /proc/net
187 /bin/netstat /proc/net/appletalk
188 /bin/netstat /proc/net/ax25
189 /bin/netstat /proc/net/ax25_route
190 /bin/netstat /proc/net/dev
191 /bin/netstat /proc/net/ip_masquerade
192 /bin/netstat /proc/net/ipx
193 /bin/netstat /proc/net/ipx_route
194 /bin/netstat /proc/net/netstat
195 /bin/netstat /proc/net/nr
196 /bin/netstat /proc/net/nr_neigh
197 /bin/netstat /proc/net/nr_nodes
198 /bin/netstat /proc/net/raw
199 /bin/netstat /proc/net/route
200 /bin/netstat /proc/net/rt_cache
201 /bin/netstat /proc/net/snmp
202 /bin/netstat /proc/net/tcp
203 /bin/netstat /proc/net/udp
204 /bin/netstat /proc/net/unix
206 /bin/umount /proc/devices
207 /bin/umount /proc/mounts
209 /sbin/arp /proc/net/appletalk
210 /sbin/arp /proc/net/arp
211 /sbin/arp /proc/net/ax25
212 /sbin/arp /proc/net/ipx
213 /sbin/arp /proc/net/nr
214 /sbin/arp /proc/net/unix
216 /sbin/cardctl /proc/devices
218 /sbin/cardmgr /proc/devices
220 /sbin/fdisk /proc/ide/%s/media
221 /sbin/fdisk /proc/scsi/scsi
223 /sbin/getty /proc/version
225 /sbin/ifconfig /proc/net
226 /sbin/ifconfig /proc/net/appletalk
227 /sbin/ifconfig /proc/net/ax25
228 /sbin/ifconfig /proc/net/dev
229 /sbin/ifconfig /proc/net/ipx
230 /sbin/ifconfig /proc/net/nr
231 /sbin/ifconfig /proc/net/unix
233 /sbin/ifup /proc/sys/kernel/modprobe
235 /sbin/ipchains /proc/net/ip_fwchains
236 /sbin/ipchains /proc/net/ip_fwnames
237 /sbin/ipchains /proc/net/ip_masquerade
238 /sbin/ipchains /proc/sys/net/ipv4/ip_forward
240 /sbin/ipmaddr /proc/net/dev_mcast
241 /sbin/ipmaddr /proc/net/igmp
242 /sbin/ipmaddr /proc/net/igmp6
244 /sbin/iptunnel /proc/net/dev
246 /sbin/killall5 /proc/%s/cmdline
247 /sbin/killall5 /proc/%s/exe
248 /sbin/killall5 /proc/%s/stat
249 /sbin/killall5 /proc/version
251 /sbin/klogd /proc/kmsg
253 /sbin/lsmod /proc/modules
255 /sbin/modprobe /proc/modules
257 /sbin/pidof /proc/%s/cmdline
258 /sbin/pidof /proc/%s/exe
259 /sbin/pidof /proc/%s/stat
260 /sbin/pidof /proc/version
262 /sbin/probe /proc/pci
264 /sbin/rarp /proc/net/ax25
265 /sbin/rarp /proc/net/nr
266 /sbin/rarp /proc/net/rarp
268 /sbin/rmmod /proc/modules
270 /sbin/rmmod.static /proc/modules
272 /sbin/route /proc/net/appletalk
273 /sbin/route /proc/net/ax25
274 /sbin/route /proc/net/ax25_route
275 /sbin/route /proc/net/ipx
276 /sbin/route /proc/net/ipx_route
277 /sbin/route /proc/net/nr
278 /sbin/route /proc/net/nr_neigh
279 /sbin/route /proc/net/nr_nodes
280 /sbin/route /proc/net/route
281 /sbin/route /proc/net/rt_cache
282 /sbin/route /proc/net/unix
284 /sbin/scsi_info /proc/scsi
285 /sbin/scsi_info /proc/scsi/%s
286 /sbin/scsi_info /proc/scsi/scsi
288 /sbin/slattach /proc/net/ax25
289 /sbin/slattach /proc/net/nr
291 /sbin/swapoff /proc/swaps
293 /sbin/swapon /proc/swaps
295 /sbin/uugetty /proc/version
298 /usr/bin/dig /proc/interrupts
299 /usr/bin/dig /proc/meminfo
300 /usr/bin/dig /proc/rtc
301 /usr/bin/dig /proc/self/status
302 /usr/bin/dig /proc/stat
304 /usr/bin/dnsquery /proc/
305 /usr/bin/dnsquery /proc/interrupts
306 /usr/bin/dnsquery /proc/meminfo
307 /usr/bin/dnsquery /proc/rtc
308 /usr/bin/dnsquery /proc/self/status
309 /usr/bin/dnsquery /proc/stat
311 /usr/bin/eject /proc/mounts
313 /usr/bin/emacs /proc/loadavg
315 /usr/bin/fetchmail /proc/net/dev
317 /usr/bin/free /proc/meminfo
319 /usr/bin/gmake /proc/loadavg
321 /usr/bin/gpm-root /proc/loadavg
322 /usr/bin/gpm-root /proc/meminfo
325 /usr/bin/host /proc/interrupts
326 /usr/bin/host /proc/meminfo
327 /usr/bin/host /proc/rtc
328 /usr/bin/host /proc/self/status
329 /usr/bin/host /proc/stat
331 /usr/bin/hoststat /proc/loadavg
333 /usr/bin/hwdiag /proc/cpuinfo
334 /usr/bin/hwdiag /proc/pci
335 /usr/bin/hwdiag /proc/scsi/scsi
336 /usr/bin/hwdiag /proc/version
338 /usr/bin/lsdev /proc/dma
339 /usr/bin/lsdev /proc/interrupts
340 /usr/bin/lsdev /proc/ioports
342 /usr/bin/mailq /proc/loadavg
344 /usr/bin/make /proc/loadavg
346 /usr/bin/mcookie /proc/loadavg
347 /usr/bin/mcookie /proc/stat
349 /usr/bin/newaliases /proc/loadavg
351 /usr/bin/nslookup /proc/
352 /usr/bin/nslookup /proc/interrupts
353 /usr/bin/nslookup /proc/meminfo
354 /usr/bin/nslookup /proc/rtc
355 /usr/bin/nslookup /proc/self/status
356 /usr/bin/nslookup /proc/stat
358 /usr/bin/nsupdate /proc/
359 /usr/bin/nsupdate /proc/interrupts
360 /usr/bin/nsupdate /proc/meminfo
361 /usr/bin/nsupdate /proc/rtc
362 /usr/bin/nsupdate /proc/self/status
363 /usr/bin/nsupdate /proc/stat
365 /usr/bin/pgp /proc/version
366 /usr/bin/pgpe /proc/version
367 /usr/bin/pgpk /proc/version
368 /usr/bin/pgps /proc/version
369 /usr/bin/pgpv /proc/version
371 /usr/bin/procinfo /proc/cmdline
372 /usr/bin/procinfo /proc/devices
373 /usr/bin/procinfo /proc/dma
374 /usr/bin/procinfo /proc/filesystems
375 /usr/bin/procinfo /proc/interrupts
376 /usr/bin/procinfo /proc/loadavg
377 /usr/bin/procinfo /proc/meminfo
378 /usr/bin/procinfo /proc/modules
379 /usr/bin/procinfo /proc/stat
380 /usr/bin/procinfo /proc/uptime
381 /usr/bin/procinfo /proc/version
383 /usr/bin/purgestat /proc/loadavg
385 /usr/bin/screen /proc/loadavg
387 /usr/bin/strace /proc/%d/stat
389 /usr/bin/top /proc/cpuinfo
390 /usr/bin/top /proc/meminfo
391 /usr/bin/top /proc/stat
393 /usr/bin/vmstat /proc/%s/stat
394 /usr/bin/vmstat /proc/meminfo
395 /usr/bin/vmstat /proc/stat
397 /usr/sbin/atd /proc/loadavg
399 /usr/sbin/dnskeygen /proc/
400 /usr/sbin/dnskeygen /proc/interrupts
401 /usr/sbin/dnskeygen /proc/meminfo
402 /usr/sbin/dnskeygen /proc/rtc
403 /usr/sbin/dnskeygen /proc/self/status
404 /usr/sbin/dnskeygen /proc/stat
406 /usr/sbin/fuser /proc/%d/stat
407 /usr/sbin/fuser /proc/net/%s
408 /usr/sbin/fuser /proc/net/unix
410 /usr/sbin/in.identd /proc/net/tcp
412 /usr/sbin/irpd /proc/
413 /usr/sbin/irpd /proc/interrupts
414 /usr/sbin/irpd /proc/meminfo
415 /usr/sbin/irpd /proc/rtc
416 /usr/sbin/irpd /proc/self/status
417 /usr/sbin/irpd /proc/stat
419 /usr/sbin/named /proc/
420 /usr/sbin/named /proc/interrupts
421 /usr/sbin/named /proc/meminfo
422 /usr/sbin/named /proc/rtc
423 /usr/sbin/named /proc/self/status
424 /usr/sbin/named /proc/stat
426 /usr/sbin/named-xfer /proc/
427 /usr/sbin/named-xfer /proc/interrupts
428 /usr/sbin/named-xfer /proc/meminfo
429 /usr/sbin/named-xfer /proc/rtc
430 /usr/sbin/named-xfer /proc/self/status
431 /usr/sbin/named-xfer /proc/stat
433 /usr/sbin/readprofile /proc/profile
435 /usr/sbin/rwhod /proc/loadavg
436 /usr/sbin/rwhod /proc/uptime
438 /usr/sbin/sendmail /proc/loadavg
440 /usr/sbin/setconsole /proc/openprom/options
441 /usr/sbin/setconsole /proc/openprom/options/${console}-mode
442 /usr/sbin/setconsole /proc/openprom/options/input-device
443 /usr/sbin/setconsole /proc/openprom/options/output-device
445 Best wishes from Riley.
447 * Copyright (C) 1999, Memory Alpha Systems.
448 * All rights and wrongs reserved.
450 +----------------------------------------------------------------------+
451 | There is something frustrating about the quality and speed of Linux |
452 | development, ie., the quality is too high and the speed is too high, |
453 | in other words, I can implement this XXXX feature, but I bet someone |
454 | else has already done so and is just about to release their patch. |
455 +----------------------------------------------------------------------+
456 * http://www.memalpha.cx/Linux/Kernel/
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