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Revision 89 - (hide annotations) (download)
Wed May 11 23:23:07 2005 UTC (9 years, 4 months ago) by azarah
Original Path: trunk/ChangeLog
File size: 20637 byte(s)
Rewrite environment stuff to only be set when execve'ing the child process
to try and avoid issues like bug #91541 that causes sandbox to crash if
we set LD_PRELOAD sandbox side already.

1 ferringb 2 # ChangeLog for Path Sandbox
2 vapier 53 # Copyright 1999-2005 Gentoo Foundation; Distributed under the GPL v2
3 ferringb 2 # $Header$
4    
5 azarah 89 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
6     Rewrite environment stuff to only be set when execve'ing the child process
7     to try and avoid issues like bug #91541 that causes sandbox to crash if
8     we set LD_PRELOAD sandbox side already.
9    
10 azarah 87 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
11 azarah 88 Move print_sandbox_log() up to make things neater.
12    
13     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
14 azarah 87 Remove load_preload_libs(), as its not used anymore.
15    
16 azarah 83 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
17 azarah 86 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
18    
19     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
20 azarah 84 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
21    
22     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
23 azarah 83 Remove ld.so.preload crap - we are not going to use it again.
24    
25 azarah 82 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
26     Fix typo in code that checks if we got valid group information, causing a
27     segmentation fault, bug #91637.
28    
29 azarah 79 * sandbox-1.2.6 (2005/05/10)
30    
31 azarah 78 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
32     Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
33     for some odd reason, bug #91541.
34    
35 azarah 77 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
36     Fix typo (sizeof -> strlen).
37    
38 ferringb 76 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
39     rewrote the sbcontext caching code so it accounts for env changes since lib
40     initialization.
41    
42 azarah 75 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
43     We create libctest.c via configure, so no need to keep it around. Do some
44     cleanup related to libctest.c and libctest during configure.
45    
46 azarah 74 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
47     Add rename support of symlinks pointing to protected files/directories.
48    
49 azarah 72 * sandbox-1.2.5 (2005/05/04)
50    
51 azarah 71 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
52     sandbox.bashrc:
53     Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
54     already set, init of the env vars fails for some reason, so do this later on,
55     and do not warn (bug #91431).
56    
57 azarah 70 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
58     sandbox.bashrc:
59     Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
60    
61 azarah 68 * sandbox-1.2.4 (2005/05/03)
62    
63 azarah 66 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
64     Do not init the env entries with each call, as it creates too many calls to
65 azarah 67 lstat, etc. Should speedup things a bit, bug #91040.
66 azarah 66
67 azarah 65 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
68     Add /dev/pty to default write list. Noticed by Morfic.
69    
70 vapier 62 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
71     sandbox.h:
72     uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
73     exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
74    
75 azarah 59 * sandbox-1.2.3 (2005/04/29)
76    
77 azarah 56 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
78     Do not check for (*&#$(* CXX or F77.
79    
80 azarah 54 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
81     Do not append '/' to pathname in filter_path() if it already ends with it.
82    
83 vapier 53 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
84     With az's help, clean up autotools to work with cross-compiling.
85    
86 azarah 59 * sandbox-1.2.2 (2005/04/28)
87 azarah 48
88 azarah 47 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
89     Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
90     have issues; bug #90592.
91    
92 azarah 59 * sandbox-1.2.1 (2005/04/23)
93 azarah 44
94 azarah 43 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
95     getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
96     Make sure all functions used in libsandbox.c is declared static. Define
97     SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
98     linking with its object. Hopefully this will fix bug #90153.
99    
100 azarah 59 * sandbox-1.2 (2005/04/23)
101 azarah 46
102 azarah 40 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
103     Allow lchown a symlink in write-allowed path pointing to write-denied
104     target.
105    
106 genone 39 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
107     Also show resolved symlink names in the log.
108    
109 azarah 37 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
110     Seems -nostdlib was the problem with the constructor/destructor - remove it
111     from Makefile.am, and change the constructor/destructor names again.
112    
113 azarah 36 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
114     Also rename the _init() and _fini() declarations.
115    
116 azarah 35 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
117     Fixup the constructor/destructor function names again (they should be _init()
118     and _fini() it seems, and not being called caused sandbox_lib_path to be
119     unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
120     Add both the path in given SANDBOX_x variable, as well as its symlink
121     resolved path in init_env_entries(). Modify filter_path() to be able to
122     resolve paths without resolving symlinks, as well as to be able to resolve
123     symlinks. Fix a possible segfault in check_access(). Add symlink resolving
124     to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
125     for bug #31019 cause access violations if we try to remove a symlink that is
126     not in protected path, but points to a protected path. Fix a memory leak in
127     sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
128     (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
129     (pid_string was uninitialized). General syntax cleanups.
130    
131 ferringb 34 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
132     infamous "pids file is not a regular file" w/out newline bug.
133    
134 ferringb 33 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
135     Correct libc_version path detection, since it was screwing up if libdir !=
136     "/lib/".
137    
138     02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
139 azarah 32 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
140    
141 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
142 azarah 31 Fix symbols.in not added to dist.
143    
144 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
145 azarah 30 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
146     White space fixes.
147    
148 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
149 azarah 30 configure.in, getcwd.c, libsandbox.c, symbols.in:
150 azarah 29 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
151     getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
152     for glibc and other libc's that use this. Update libsandbox.c to use these
153     symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
154     process unset it.
155    
156 ferringb 33 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
157 ferringb 28 killed off _init and _fini in favor of
158     void __attribute__ ((constructor)) init_func and
159     void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
160    
161 ferringb 26 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
162     canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
163     having the hick-ups.
164    
165 ferringb 24 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
166     Makefile.am: Fixed compilation.
167    
168 ferringb 18 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
169     Gutted the bugger so it stops checking for a c++ and fortran compiler.
170     Do *not* regenerate aclocal.m4 for making a release until a better
171     solution is created.
172    
173 ferringb 16 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, sandbox_futils.c:
174     Removal of more hardcoded paths.
175    
176 ferringb 13 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in,
177     sandbox_futils.c: tweaks to install sandbox.bashrc, and use it.
178    
179     19 Nov 2004; Brian Harring <ferringb@gentoo.org>:
180 ferringb 6 Sandbox is now autotooled, create-localdecls needs to be killed and the code
181     shifted into configure.in. Currently builds *one* libsandbox.so- if multiple
182     are desired (-m64 and -m32 for amd64), the ebuild should do it (imo).
183     To get to a point of testing, automake && autoconf; created requisite files w/
184     a(utomake|clocal)-1.8, and autoconf 2.59. Installs to /usr/, instead of
185     /lib and /usr/lib/portage/bin.
186    
187 ferringb 2 14 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox.c:
188     closing out bug #70225, potential overflow of the sandbox_pids_file var.
189    
190     07 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c: c99 standard,
191     (think it was at least) allows intermixing of code and data segments. bug #70351
192     should be fixed by this.
193    
194     03 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox_futils.c:
195     futils fix from bug #65201 via solar, and libsandbox log path checks via #69137
196    
197     02 Aug 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Code from
198     Seth Robertson that tracked down all adjuct flags for read operations that
199     do not invoke a write operation.
200    
201     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
202     Another fix from jstubbs regarding a free() on a stack variable for the
203     environment -- tracking now prevents extraneous free()'s segfault.
204    
205     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
206     J. Stubbs tracked down a new bug where mkdir was failing to the patch on
207     the lstat in mkdir... it now only returns 0 or -1 as documented for mkdir.
208     Also remove the errno = ESUCCESS settings as documentation points out that
209     a library isn't allowed to do that.
210    
211     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Added a
212     file_security_check() function to check random potential exploits on files
213     that sandbox is to load and read -- Normally sandboxpids.tmp. This fixes
214     the 'system-crippling' exploits (bug 21923) and catches a few other
215     potential problems.
216    
217     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> Makefile: Updates for
218     32/64 bit sandbox. Made CC and LD '?=' values to allow passed in CC to work.
219    
220     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c:
221     bug 42048 -- Fixed the lstat/errno conditions for mkdir <caleb@g.o>.
222     Added the 64/32 bit sandbox patch for AMD64 bug 32963 <brad/azarah>.
223    
224     29 Feb 2004; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c :
225     Fix permissions and group of pids file and logs. Permissions should be 0664
226     and group should be 'portage'. Bug #34260.
227    
228     28 Feb 2004; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
229     Besides a small cleanup, redo how we replace LD_PRELOAD in the environ passed
230     to the real execve (in our execve wrapper). Seems that on some arches (sparc
231     among others) do not allow us to tamper with the readonly copy passed to
232     execve, so pass our own copy of the environment. Bug #42290.
233    
234     11 Jan 2004; Nicholas Jones <carpaski@gentoo.org> create-decls:
235     Changed tail to head and added a notice about duration of glibc check.
236    
237     21 Dec 2003; Nicholas Jones <carpaski@gentoo.org> create-decls:
238     Changed the glibc subversion check to use /usr/bin/* instead of /bin/sh
239     as there isn't a guarentee that it is dynamic.
240    
241     02 Nov 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
242     If 'file' passed to before_syscall(const char *func, const char *file) is
243     invalid, we should set errno to ENOENT, and not EINVAL. This should
244     close bug #32238.
245    
246     14 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
247     Fix a bug that occurs mainly on 64bit arch, where the file passed to
248     the functions we wrap, is invalid, and then cause canonicalize to pass
249     garbage to before_syscall(), thanks to great detective work from
250     Andrea Luzzardi <al@sig11.org> (bug #29846).
251    
252     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
253     Add a uClibc detection patch from Peter S. Mazinger <ps.m@gmx.net>.
254    
255     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
256     Fix a bug in libsandbox.c 's checking in the rename wrapper - it basically
257     only checked the destination patch, and not the source, so we could move
258     a protected file to a unprotected directory, and then delete/modify it.
259     Thanks to Andrea Luzzardi (scox) <al@sig11.org>, bug #30992, for this fix.
260    
261     12 Oct 2003; Nicholas Jones <carpaski@gentoo.org> sandbox.c :
262     Added python2.3 to the predict section/variable.
263    
264     28 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
265     sandbox.h, sandbox_futils.c :
266     Add support to set the pids file via SANDBOX_PIDS_FILE at startup. If
267     it is not set, it will revert to its old value.
268    
269     27 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
270     Fix our mkdir wrapper to check if the dir exist, and return EEXIST if so,
271     rather than failing with a violation, bug #29748.
272    
273     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
274     Fix canonicalize() to ignore calls with path = "".
275    
276     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
277     sandbox_futils.c, canonicalize.c :
278     Once again coreutils fails, as my systems had 2.5 kernel, the getcwd system
279     call handled strings larger than PATH_MAX (bug #21766). It however does not
280     work the same on 2.4 kernels.
281    
282     To fix, I added the posix implementation of getcwd() (from glibc cvs) that
283     do not need the system call. We use the default getcwd() function via a
284     wrapper (egetcwd), and then lstat the returned path. If lstat fails, it
285     means the current directory was removed, OR that the the system call for
286     getcwd failed (curious is that it do not fail and return NULL or set
287     errno, but rather just truncate the retured directory - usually from the
288     start), and if so, we use the generic getcwd() function (__egetcwd). Note
289     that we do not use the generic version all the time, as it calls lstat()
290     a great number of times, and performance degrade much.
291    
292     29 Jun 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls,
293     libsandbox.c :
294     Make sure SB_PATH_MAX will not wrap. Fix two possible memory leaks.
295    
296     22 Jun 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, canonicalize.c
297     create-localdecls :
298     When checking path names of files accessed, we need to canonicalize it, else
299     it may be a symlink in a 'write allowed' directory pointing to a file in a
300     directory we should not have write access to.
301    
302     With something like coreutils-5.0, we have two problems:
303     1) One of the tests checks if getcwd() can return a path longer than
304     PATH_MAX. This test then tries to create a dir which even while
305     created local (mkdir("conftest2")), it ends up being resolved with
306     a name that is much larger than PATH_MAX. The problem now is that
307     canonicalize() have undefined behaviour when the path was too long
308     (returned wrongly truncated paths, etc), and pass the wrong path to
309     before_syscall() (causing the bogus sandbox violations).
310     2) The ecanonicalize() function we used, along with the canonicalize()
311     function did not support longer than PATH_MAX. This is partly a
312     cause for 1), but the error checking (rather lack of it) of calls
313     to erealpath() in canonicalize() was the prime reason for 1).
314    
315     As we do not use this canonicalized name to call the function, we resolve this
316     by fixing canonicalize() to do better error checking, and ecanonicalize() as
317     well as all functions in libsandbox.c to use a PATH_MAX of 'PATH_MAX * 2'.
318     While they will resolve paths properly now, and can check if a write/read is
319     allowed, the functions called from the sandboxed environment will still work
320     as expected.
321    
322     This should resolve bug #21766.
323    
324     06 Apr 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
325     For some reason sandbox fails with a 'open_wr' if you run 'locale -a' under
326     it (bug #16298).
327    
328     Problem is that for some reason locale fopen's locale.alias with mode "rm".
329    
330     -------------------------------------------------------
331     nosferatu root # grep fopen locale.log
332     fopen("/usr/share/locale/locale.alias", "rm"ACCESS DENIED open_wr: /usr/share/locale/locale.alias
333     nosferatu root #
334     --------------------------------------------------------
335    
336     I checked the source of locale, but it have fopen with mode 'r', so
337     not sure where the "rm" mode comes from. Anyhow, changed the check in
338     before_syscall_open_char() to also see mode "rm" as readonly.
339    
340     23 Feb 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
341    
342     Add glibc-2.3 support.
343    
344     22 Feb 2003; Martin Schlemmer <azarah@gentoo.org> sandbox.c :
345    
346     Some /etc/ld.so.preload fixes. Just changed the #if defines to cover all
347     operations releated to preload, as well as only try to modify ld.so.preload
348     if we can. Also modify to write the pid to /tmp/sandboxpids.tmp even when
349     not using ld.so.preload. Fix to not write this instance of sandbox's pid
350     to /tmp/sandboxpids.tmp on exit if this is not the last sandbox running.
351    
352     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> Makefile :
353    
354     Changed the LD to CC for hppa.
355    
356     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
357    
358     Killed the previous changes I made.
359    
360     17 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
361    
362     Added parisc to BROKEN_RTLD_ARCHLIST to see if it we can fix the relocation probs.
363    
364     09 Jan 2003; J Robert Ray <jrray@gentoo.org> sandbox.c :
365    
366     Don't segfault if $HOME isn't set, set $HOME to "/" instead. Fixes bug 10868.
367    
368     16 Dec 2002; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
369    
370     Fix memory leak for mips, bug #12236. Thanks to Torgeir Hansen <torgeir@trenger.ro>
371     for this fix.
372    
373     4 Dec 2002; J Robert Ray <jrray@gentoo.org> sandbox.h sandbox_futils.c :
374    
375     sandbox_futils defined a dirname() function that was masking the same
376     function in glibc and was broken (e.g.: SANDBOX_DIR was being set to
377     '/usr/lib/portage/bi/'). Fixed function to return expected results and
378     renamed it to sb_dirname() to no longer mask the glibc function. Closes bug
379     11231.
380    
381     4 Dec 2002; Martin Schlemmer <azarah@gentoo.org> :
382    
383     Fix a segfault in libsandbox.c if canonicalize() was called with
384     first parameter = NULL.
385    
386     1 Sep 2002; Martin Schlemmer <azarah@gentoo.org> :
387    
388     Fix my braindead 'return 1;' in a void function. Updated sandbox.c,
389     cleanup() for this.
390    
391     Change cleanup() in sandbox.c not to exit with fail status if
392     the pidsfile is missing. We really should still display sandbox
393     violations if they occured.
394    
395     31 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
396    
397     Update cleanup() in sandbox.c to remove the PIDSFILE if this is
398     the last sandbox running.
399    
400     25 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
401    
402     Major cleanups to mainly libsandbox.c again.
403    
404     22 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
405    
406     Add copyrights to sandbox.h and sandbox_futils.h. If wrong, the
407     parties involved should please contact me so that we can fix it.
408    
409     Add opendir wrapper to libsandbox.c.
410    
411     21 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
412    
413     Do some more cleanups to ecanonicalize(), as it dropped filenames in
414     rare cases (after my symlink cleanups), and caused glibc to bork.
415     These fixes went into canonicalize.c.
416    
417     20 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
418    
419     Fix spawn_shell() and main() in sandbox.c to properly return fail
420     status.
421    
422     19 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
423    
424     The new canonicalize() function in libsandbox.c also resolved symlinks,
425     which caused on cleaning sandbox errors if the symlink pointed to a
426     file in the live root. Ripped out canonicalize() and realpath() from
427     glibc; removed the symlink stuff, and changed them to ecanonicalize()
428     and erealpath().
429    
430     18 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
431    
432     Ripped out all the wrappers, and implemented those of InstallWatch.
433     Losts of cleanups and bugfixes. Implement a execve that forces
434     $LIBSANDBOX in $LD_PRELOAD. We can now thus do away with the feared
435     /etc/ld.so.preload (*g*) ... Made the needed changes to sandbox.c,
436     sandbox.h and sandbox_futils.c. Rewrote the Makefile for most
437     parts; it now have an install target.
438    
439     Reformat the whole thing to look somewhat like the reworked sandbox.c
440     and new sandbox.h and sandbox_futils.c from:
441    
442     Brad House <brad@mainstreetsoftworks.com>.
443    
444     Additional Copyrights now due to the InstallWatch code:
445    
446     Copyright (C) 1998-9 Pancrazio `Ezio' de Mauro <p@demauro.net>

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