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Revision 94 - (hide annotations) (download)
Thu May 12 00:09:00 2005 UTC (9 years, 2 months ago) by azarah
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* sandbox-1.2.7

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 94 * sandbox-1.2.7 (2005/05/12)
6    
7 azarah 93 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
8     sandbox_futils.c:
9     More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
10    
11 azarah 92 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
12     Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
13     with '(null)' in it if we did not call sandbox with absolute path.
14    
15 azarah 89 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
16 azarah 91 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
17     for the child.
18    
19     12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
20 azarah 90 Remove global preload_adaptable as it is no longer used.
21    
22     12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
23 azarah 89 Rewrite environment stuff to only be set when execve'ing the child process
24     to try and avoid issues like bug #91541 that causes sandbox to crash if
25     we set LD_PRELOAD sandbox side already.
26    
27 azarah 87 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
28 azarah 88 Move print_sandbox_log() up to make things neater.
29    
30     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
31 azarah 87 Remove load_preload_libs(), as its not used anymore.
32    
33 azarah 83 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
34 azarah 86 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
35    
36     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
37 azarah 84 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
38    
39     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
40 azarah 83 Remove ld.so.preload crap - we are not going to use it again.
41    
42 azarah 82 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
43     Fix typo in code that checks if we got valid group information, causing a
44     segmentation fault, bug #91637.
45    
46 azarah 79 * sandbox-1.2.6 (2005/05/10)
47    
48 azarah 78 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
49     Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
50     for some odd reason, bug #91541.
51    
52 azarah 77 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
53     Fix typo (sizeof -> strlen).
54    
55 ferringb 76 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
56     rewrote the sbcontext caching code so it accounts for env changes since lib
57     initialization.
58    
59 azarah 75 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
60     We create libctest.c via configure, so no need to keep it around. Do some
61     cleanup related to libctest.c and libctest during configure.
62    
63 azarah 74 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
64     Add rename support of symlinks pointing to protected files/directories.
65    
66 azarah 72 * sandbox-1.2.5 (2005/05/04)
67    
68 azarah 71 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
69     sandbox.bashrc:
70     Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
71     already set, init of the env vars fails for some reason, so do this later on,
72     and do not warn (bug #91431).
73    
74 azarah 70 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
75     sandbox.bashrc:
76     Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
77    
78 azarah 68 * sandbox-1.2.4 (2005/05/03)
79    
80 azarah 66 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
81     Do not init the env entries with each call, as it creates too many calls to
82 azarah 67 lstat, etc. Should speedup things a bit, bug #91040.
83 azarah 66
84 azarah 65 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
85     Add /dev/pty to default write list. Noticed by Morfic.
86    
87 vapier 62 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
88     sandbox.h:
89     uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
90     exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
91    
92 azarah 59 * sandbox-1.2.3 (2005/04/29)
93    
94 azarah 56 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
95     Do not check for (*&#$(* CXX or F77.
96    
97 azarah 54 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
98     Do not append '/' to pathname in filter_path() if it already ends with it.
99    
100 vapier 53 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
101     With az's help, clean up autotools to work with cross-compiling.
102    
103 azarah 59 * sandbox-1.2.2 (2005/04/28)
104 azarah 48
105 azarah 47 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
106     Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
107     have issues; bug #90592.
108    
109 azarah 59 * sandbox-1.2.1 (2005/04/23)
110 azarah 44
111 azarah 43 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
112     getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
113     Make sure all functions used in libsandbox.c is declared static. Define
114     SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
115     linking with its object. Hopefully this will fix bug #90153.
116    
117 azarah 59 * sandbox-1.2 (2005/04/23)
118 azarah 46
119 azarah 40 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
120     Allow lchown a symlink in write-allowed path pointing to write-denied
121     target.
122    
123 genone 39 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
124     Also show resolved symlink names in the log.
125    
126 azarah 37 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
127     Seems -nostdlib was the problem with the constructor/destructor - remove it
128     from Makefile.am, and change the constructor/destructor names again.
129    
130 azarah 36 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
131     Also rename the _init() and _fini() declarations.
132    
133 azarah 35 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
134     Fixup the constructor/destructor function names again (they should be _init()
135     and _fini() it seems, and not being called caused sandbox_lib_path to be
136     unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
137     Add both the path in given SANDBOX_x variable, as well as its symlink
138     resolved path in init_env_entries(). Modify filter_path() to be able to
139     resolve paths without resolving symlinks, as well as to be able to resolve
140     symlinks. Fix a possible segfault in check_access(). Add symlink resolving
141     to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
142     for bug #31019 cause access violations if we try to remove a symlink that is
143     not in protected path, but points to a protected path. Fix a memory leak in
144     sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
145     (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
146     (pid_string was uninitialized). General syntax cleanups.
147    
148 ferringb 34 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
149     infamous "pids file is not a regular file" w/out newline bug.
150    
151 ferringb 33 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
152     Correct libc_version path detection, since it was screwing up if libdir !=
153     "/lib/".
154    
155     02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
156 azarah 32 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
157    
158 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
159 azarah 31 Fix symbols.in not added to dist.
160    
161 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
162 azarah 30 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
163     White space fixes.
164    
165 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
166 azarah 30 configure.in, getcwd.c, libsandbox.c, symbols.in:
167 azarah 29 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
168     getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
169     for glibc and other libc's that use this. Update libsandbox.c to use these
170     symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
171     process unset it.
172    
173 ferringb 33 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
174 ferringb 28 killed off _init and _fini in favor of
175     void __attribute__ ((constructor)) init_func and
176     void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
177    
178 ferringb 26 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
179     canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
180     having the hick-ups.
181    
182 ferringb 24 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
183     Makefile.am: Fixed compilation.
184    
185 ferringb 18 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
186     Gutted the bugger so it stops checking for a c++ and fortran compiler.
187     Do *not* regenerate aclocal.m4 for making a release until a better
188     solution is created.
189    
190 ferringb 16 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, sandbox_futils.c:
191     Removal of more hardcoded paths.
192    
193 ferringb 13 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in,
194     sandbox_futils.c: tweaks to install sandbox.bashrc, and use it.
195    
196     19 Nov 2004; Brian Harring <ferringb@gentoo.org>:
197 ferringb 6 Sandbox is now autotooled, create-localdecls needs to be killed and the code
198     shifted into configure.in. Currently builds *one* libsandbox.so- if multiple
199     are desired (-m64 and -m32 for amd64), the ebuild should do it (imo).
200     To get to a point of testing, automake && autoconf; created requisite files w/
201     a(utomake|clocal)-1.8, and autoconf 2.59. Installs to /usr/, instead of
202     /lib and /usr/lib/portage/bin.
203    
204 ferringb 2 14 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox.c:
205     closing out bug #70225, potential overflow of the sandbox_pids_file var.
206    
207     07 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c: c99 standard,
208     (think it was at least) allows intermixing of code and data segments. bug #70351
209     should be fixed by this.
210    
211     03 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox_futils.c:
212     futils fix from bug #65201 via solar, and libsandbox log path checks via #69137
213    
214     02 Aug 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Code from
215     Seth Robertson that tracked down all adjuct flags for read operations that
216     do not invoke a write operation.
217    
218     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
219     Another fix from jstubbs regarding a free() on a stack variable for the
220     environment -- tracking now prevents extraneous free()'s segfault.
221    
222     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
223     J. Stubbs tracked down a new bug where mkdir was failing to the patch on
224     the lstat in mkdir... it now only returns 0 or -1 as documented for mkdir.
225     Also remove the errno = ESUCCESS settings as documentation points out that
226     a library isn't allowed to do that.
227    
228     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Added a
229     file_security_check() function to check random potential exploits on files
230     that sandbox is to load and read -- Normally sandboxpids.tmp. This fixes
231     the 'system-crippling' exploits (bug 21923) and catches a few other
232     potential problems.
233    
234     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> Makefile: Updates for
235     32/64 bit sandbox. Made CC and LD '?=' values to allow passed in CC to work.
236    
237     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c:
238     bug 42048 -- Fixed the lstat/errno conditions for mkdir <caleb@g.o>.
239     Added the 64/32 bit sandbox patch for AMD64 bug 32963 <brad/azarah>.
240    
241     29 Feb 2004; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c :
242     Fix permissions and group of pids file and logs. Permissions should be 0664
243     and group should be 'portage'. Bug #34260.
244    
245     28 Feb 2004; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
246     Besides a small cleanup, redo how we replace LD_PRELOAD in the environ passed
247     to the real execve (in our execve wrapper). Seems that on some arches (sparc
248     among others) do not allow us to tamper with the readonly copy passed to
249     execve, so pass our own copy of the environment. Bug #42290.
250    
251     11 Jan 2004; Nicholas Jones <carpaski@gentoo.org> create-decls:
252     Changed tail to head and added a notice about duration of glibc check.
253    
254     21 Dec 2003; Nicholas Jones <carpaski@gentoo.org> create-decls:
255     Changed the glibc subversion check to use /usr/bin/* instead of /bin/sh
256     as there isn't a guarentee that it is dynamic.
257    
258     02 Nov 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
259     If 'file' passed to before_syscall(const char *func, const char *file) is
260     invalid, we should set errno to ENOENT, and not EINVAL. This should
261     close bug #32238.
262    
263     14 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
264     Fix a bug that occurs mainly on 64bit arch, where the file passed to
265     the functions we wrap, is invalid, and then cause canonicalize to pass
266     garbage to before_syscall(), thanks to great detective work from
267     Andrea Luzzardi <al@sig11.org> (bug #29846).
268    
269     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
270     Add a uClibc detection patch from Peter S. Mazinger <ps.m@gmx.net>.
271    
272     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
273     Fix a bug in libsandbox.c 's checking in the rename wrapper - it basically
274     only checked the destination patch, and not the source, so we could move
275     a protected file to a unprotected directory, and then delete/modify it.
276     Thanks to Andrea Luzzardi (scox) <al@sig11.org>, bug #30992, for this fix.
277    
278     12 Oct 2003; Nicholas Jones <carpaski@gentoo.org> sandbox.c :
279     Added python2.3 to the predict section/variable.
280    
281     28 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
282     sandbox.h, sandbox_futils.c :
283     Add support to set the pids file via SANDBOX_PIDS_FILE at startup. If
284     it is not set, it will revert to its old value.
285    
286     27 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
287     Fix our mkdir wrapper to check if the dir exist, and return EEXIST if so,
288     rather than failing with a violation, bug #29748.
289    
290     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
291     Fix canonicalize() to ignore calls with path = "".
292    
293     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
294     sandbox_futils.c, canonicalize.c :
295     Once again coreutils fails, as my systems had 2.5 kernel, the getcwd system
296     call handled strings larger than PATH_MAX (bug #21766). It however does not
297     work the same on 2.4 kernels.
298    
299     To fix, I added the posix implementation of getcwd() (from glibc cvs) that
300     do not need the system call. We use the default getcwd() function via a
301     wrapper (egetcwd), and then lstat the returned path. If lstat fails, it
302     means the current directory was removed, OR that the the system call for
303     getcwd failed (curious is that it do not fail and return NULL or set
304     errno, but rather just truncate the retured directory - usually from the
305     start), and if so, we use the generic getcwd() function (__egetcwd). Note
306     that we do not use the generic version all the time, as it calls lstat()
307     a great number of times, and performance degrade much.
308    
309     29 Jun 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls,
310     libsandbox.c :
311     Make sure SB_PATH_MAX will not wrap. Fix two possible memory leaks.
312    
313     22 Jun 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, canonicalize.c
314     create-localdecls :
315     When checking path names of files accessed, we need to canonicalize it, else
316     it may be a symlink in a 'write allowed' directory pointing to a file in a
317     directory we should not have write access to.
318    
319     With something like coreutils-5.0, we have two problems:
320     1) One of the tests checks if getcwd() can return a path longer than
321     PATH_MAX. This test then tries to create a dir which even while
322     created local (mkdir("conftest2")), it ends up being resolved with
323     a name that is much larger than PATH_MAX. The problem now is that
324     canonicalize() have undefined behaviour when the path was too long
325     (returned wrongly truncated paths, etc), and pass the wrong path to
326     before_syscall() (causing the bogus sandbox violations).
327     2) The ecanonicalize() function we used, along with the canonicalize()
328     function did not support longer than PATH_MAX. This is partly a
329     cause for 1), but the error checking (rather lack of it) of calls
330     to erealpath() in canonicalize() was the prime reason for 1).
331    
332     As we do not use this canonicalized name to call the function, we resolve this
333     by fixing canonicalize() to do better error checking, and ecanonicalize() as
334     well as all functions in libsandbox.c to use a PATH_MAX of 'PATH_MAX * 2'.
335     While they will resolve paths properly now, and can check if a write/read is
336     allowed, the functions called from the sandboxed environment will still work
337     as expected.
338    
339     This should resolve bug #21766.
340    
341     06 Apr 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
342     For some reason sandbox fails with a 'open_wr' if you run 'locale -a' under
343     it (bug #16298).
344    
345     Problem is that for some reason locale fopen's locale.alias with mode "rm".
346    
347     -------------------------------------------------------
348     nosferatu root # grep fopen locale.log
349     fopen("/usr/share/locale/locale.alias", "rm"ACCESS DENIED open_wr: /usr/share/locale/locale.alias
350     nosferatu root #
351     --------------------------------------------------------
352    
353     I checked the source of locale, but it have fopen with mode 'r', so
354     not sure where the "rm" mode comes from. Anyhow, changed the check in
355     before_syscall_open_char() to also see mode "rm" as readonly.
356    
357     23 Feb 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
358    
359     Add glibc-2.3 support.
360    
361     22 Feb 2003; Martin Schlemmer <azarah@gentoo.org> sandbox.c :
362    
363     Some /etc/ld.so.preload fixes. Just changed the #if defines to cover all
364     operations releated to preload, as well as only try to modify ld.so.preload
365     if we can. Also modify to write the pid to /tmp/sandboxpids.tmp even when
366     not using ld.so.preload. Fix to not write this instance of sandbox's pid
367     to /tmp/sandboxpids.tmp on exit if this is not the last sandbox running.
368    
369     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> Makefile :
370    
371     Changed the LD to CC for hppa.
372    
373     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
374    
375     Killed the previous changes I made.
376    
377     17 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
378    
379     Added parisc to BROKEN_RTLD_ARCHLIST to see if it we can fix the relocation probs.
380    
381     09 Jan 2003; J Robert Ray <jrray@gentoo.org> sandbox.c :
382    
383     Don't segfault if $HOME isn't set, set $HOME to "/" instead. Fixes bug 10868.
384    
385     16 Dec 2002; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
386    
387     Fix memory leak for mips, bug #12236. Thanks to Torgeir Hansen <torgeir@trenger.ro>
388     for this fix.
389    
390     4 Dec 2002; J Robert Ray <jrray@gentoo.org> sandbox.h sandbox_futils.c :
391    
392     sandbox_futils defined a dirname() function that was masking the same
393     function in glibc and was broken (e.g.: SANDBOX_DIR was being set to
394     '/usr/lib/portage/bi/'). Fixed function to return expected results and
395     renamed it to sb_dirname() to no longer mask the glibc function. Closes bug
396     11231.
397    
398     4 Dec 2002; Martin Schlemmer <azarah@gentoo.org> :
399    
400     Fix a segfault in libsandbox.c if canonicalize() was called with
401     first parameter = NULL.
402    
403     1 Sep 2002; Martin Schlemmer <azarah@gentoo.org> :
404    
405     Fix my braindead 'return 1;' in a void function. Updated sandbox.c,
406     cleanup() for this.
407    
408     Change cleanup() in sandbox.c not to exit with fail status if
409     the pidsfile is missing. We really should still display sandbox
410     violations if they occured.
411    
412     31 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
413    
414     Update cleanup() in sandbox.c to remove the PIDSFILE if this is
415     the last sandbox running.
416    
417     25 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
418    
419     Major cleanups to mainly libsandbox.c again.
420    
421     22 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
422    
423     Add copyrights to sandbox.h and sandbox_futils.h. If wrong, the
424     parties involved should please contact me so that we can fix it.
425    
426     Add opendir wrapper to libsandbox.c.
427    
428     21 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
429    
430     Do some more cleanups to ecanonicalize(), as it dropped filenames in
431     rare cases (after my symlink cleanups), and caused glibc to bork.
432     These fixes went into canonicalize.c.
433    
434     20 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
435    
436     Fix spawn_shell() and main() in sandbox.c to properly return fail
437     status.
438    
439     19 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
440    
441     The new canonicalize() function in libsandbox.c also resolved symlinks,
442     which caused on cleaning sandbox errors if the symlink pointed to a
443     file in the live root. Ripped out canonicalize() and realpath() from
444     glibc; removed the symlink stuff, and changed them to ecanonicalize()
445     and erealpath().
446    
447     18 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
448    
449     Ripped out all the wrappers, and implemented those of InstallWatch.
450     Losts of cleanups and bugfixes. Implement a execve that forces
451     $LIBSANDBOX in $LD_PRELOAD. We can now thus do away with the feared
452     /etc/ld.so.preload (*g*) ... Made the needed changes to sandbox.c,
453     sandbox.h and sandbox_futils.c. Rewrote the Makefile for most
454     parts; it now have an install target.
455    
456     Reformat the whole thing to look somewhat like the reworked sandbox.c
457     and new sandbox.h and sandbox_futils.c from:
458    
459     Brad House <brad@mainstreetsoftworks.com>.
460    
461     Additional Copyrights now due to the InstallWatch code:
462    
463     Copyright (C) 1998-9 Pancrazio `Ezio' de Mauro <p@demauro.net>

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