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Revision 100 - (hide annotations) (download)
Fri May 13 14:18:05 2005 UTC (9 years, 7 months ago) by azarah
File size: 22271 byte(s)
Various LD_PRELOAD cleanups.  Do not unset LD_PRELOAD for parent.

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 99 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
6 azarah 100 sandbox.h:
7     Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
8    
9     13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
10 azarah 99 sandbox.h, sandbox_futils.c:
11     Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
12     to use TMPDIR if present in environment.
13    
14 azarah 98 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
15     Remove sandbox_log_file from main() as its no longer used.
16    
17 azarah 97 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
18     sandbox_futils.c:
19     Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
20     if already exported when sandbox started). Fix get_sandbox_log() and new
21     get_sandbox_debug_log() to not use already exported environment variables if
22     they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
23     SB_PATH_MAX fixes.
24    
25 azarah 94 * sandbox-1.2.7 (2005/05/12)
26    
27 azarah 93 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
28     sandbox_futils.c:
29     More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
30    
31 azarah 92 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
32     Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
33     with '(null)' in it if we did not call sandbox with absolute path.
34    
35 azarah 89 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
36 azarah 91 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
37     for the child.
38    
39     12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
40 azarah 90 Remove global preload_adaptable as it is no longer used.
41    
42     12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
43 azarah 89 Rewrite environment stuff to only be set when execve'ing the child process
44     to try and avoid issues like bug #91541 that causes sandbox to crash if
45     we set LD_PRELOAD sandbox side already.
46    
47 azarah 87 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
48 azarah 88 Move print_sandbox_log() up to make things neater.
49    
50     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
51 azarah 87 Remove load_preload_libs(), as its not used anymore.
52    
53 azarah 83 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
54 azarah 86 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
55    
56     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
57 azarah 84 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
58    
59     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
60 azarah 83 Remove ld.so.preload crap - we are not going to use it again.
61    
62 azarah 82 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
63     Fix typo in code that checks if we got valid group information, causing a
64     segmentation fault, bug #91637.
65    
66 azarah 79 * sandbox-1.2.6 (2005/05/10)
67    
68 azarah 78 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
69     Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
70     for some odd reason, bug #91541.
71    
72 azarah 77 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
73     Fix typo (sizeof -> strlen).
74    
75 ferringb 76 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
76     rewrote the sbcontext caching code so it accounts for env changes since lib
77     initialization.
78    
79 azarah 75 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
80     We create libctest.c via configure, so no need to keep it around. Do some
81     cleanup related to libctest.c and libctest during configure.
82    
83 azarah 74 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
84     Add rename support of symlinks pointing to protected files/directories.
85    
86 azarah 72 * sandbox-1.2.5 (2005/05/04)
87    
88 azarah 71 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
89     sandbox.bashrc:
90     Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
91     already set, init of the env vars fails for some reason, so do this later on,
92     and do not warn (bug #91431).
93    
94 azarah 70 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
95     sandbox.bashrc:
96     Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
97    
98 azarah 68 * sandbox-1.2.4 (2005/05/03)
99    
100 azarah 66 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
101     Do not init the env entries with each call, as it creates too many calls to
102 azarah 67 lstat, etc. Should speedup things a bit, bug #91040.
103 azarah 66
104 azarah 65 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
105     Add /dev/pty to default write list. Noticed by Morfic.
106    
107 vapier 62 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
108     sandbox.h:
109     uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
110     exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
111    
112 azarah 59 * sandbox-1.2.3 (2005/04/29)
113    
114 azarah 56 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
115     Do not check for (*&#$(* CXX or F77.
116    
117 azarah 54 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
118     Do not append '/' to pathname in filter_path() if it already ends with it.
119    
120 vapier 53 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
121     With az's help, clean up autotools to work with cross-compiling.
122    
123 azarah 59 * sandbox-1.2.2 (2005/04/28)
124 azarah 48
125 azarah 47 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
126     Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
127     have issues; bug #90592.
128    
129 azarah 59 * sandbox-1.2.1 (2005/04/23)
130 azarah 44
131 azarah 43 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
132     getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
133     Make sure all functions used in libsandbox.c is declared static. Define
134     SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
135     linking with its object. Hopefully this will fix bug #90153.
136    
137 azarah 59 * sandbox-1.2 (2005/04/23)
138 azarah 46
139 azarah 40 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
140     Allow lchown a symlink in write-allowed path pointing to write-denied
141     target.
142    
143 genone 39 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
144     Also show resolved symlink names in the log.
145    
146 azarah 37 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
147     Seems -nostdlib was the problem with the constructor/destructor - remove it
148     from Makefile.am, and change the constructor/destructor names again.
149    
150 azarah 36 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
151     Also rename the _init() and _fini() declarations.
152    
153 azarah 35 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
154     Fixup the constructor/destructor function names again (they should be _init()
155     and _fini() it seems, and not being called caused sandbox_lib_path to be
156     unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
157     Add both the path in given SANDBOX_x variable, as well as its symlink
158     resolved path in init_env_entries(). Modify filter_path() to be able to
159     resolve paths without resolving symlinks, as well as to be able to resolve
160     symlinks. Fix a possible segfault in check_access(). Add symlink resolving
161     to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
162     for bug #31019 cause access violations if we try to remove a symlink that is
163     not in protected path, but points to a protected path. Fix a memory leak in
164     sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
165     (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
166     (pid_string was uninitialized). General syntax cleanups.
167    
168 ferringb 34 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
169     infamous "pids file is not a regular file" w/out newline bug.
170    
171 ferringb 33 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
172     Correct libc_version path detection, since it was screwing up if libdir !=
173     "/lib/".
174    
175     02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
176 azarah 32 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
177    
178 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
179 azarah 31 Fix symbols.in not added to dist.
180    
181 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
182 azarah 30 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
183     White space fixes.
184    
185 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
186 azarah 30 configure.in, getcwd.c, libsandbox.c, symbols.in:
187 azarah 29 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
188     getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
189     for glibc and other libc's that use this. Update libsandbox.c to use these
190     symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
191     process unset it.
192    
193 ferringb 33 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
194 ferringb 28 killed off _init and _fini in favor of
195     void __attribute__ ((constructor)) init_func and
196     void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
197    
198 ferringb 26 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
199     canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
200     having the hick-ups.
201    
202 ferringb 24 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
203     Makefile.am: Fixed compilation.
204    
205 ferringb 18 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
206     Gutted the bugger so it stops checking for a c++ and fortran compiler.
207     Do *not* regenerate aclocal.m4 for making a release until a better
208     solution is created.
209    
210 ferringb 16 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, sandbox_futils.c:
211     Removal of more hardcoded paths.
212    
213 ferringb 13 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in,
214     sandbox_futils.c: tweaks to install sandbox.bashrc, and use it.
215    
216     19 Nov 2004; Brian Harring <ferringb@gentoo.org>:
217 ferringb 6 Sandbox is now autotooled, create-localdecls needs to be killed and the code
218     shifted into configure.in. Currently builds *one* libsandbox.so- if multiple
219     are desired (-m64 and -m32 for amd64), the ebuild should do it (imo).
220     To get to a point of testing, automake && autoconf; created requisite files w/
221     a(utomake|clocal)-1.8, and autoconf 2.59. Installs to /usr/, instead of
222     /lib and /usr/lib/portage/bin.
223    
224 ferringb 2 14 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox.c:
225     closing out bug #70225, potential overflow of the sandbox_pids_file var.
226    
227     07 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c: c99 standard,
228     (think it was at least) allows intermixing of code and data segments. bug #70351
229     should be fixed by this.
230    
231     03 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox_futils.c:
232     futils fix from bug #65201 via solar, and libsandbox log path checks via #69137
233    
234     02 Aug 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Code from
235     Seth Robertson that tracked down all adjuct flags for read operations that
236     do not invoke a write operation.
237    
238     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
239     Another fix from jstubbs regarding a free() on a stack variable for the
240     environment -- tracking now prevents extraneous free()'s segfault.
241    
242     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
243     J. Stubbs tracked down a new bug where mkdir was failing to the patch on
244     the lstat in mkdir... it now only returns 0 or -1 as documented for mkdir.
245     Also remove the errno = ESUCCESS settings as documentation points out that
246     a library isn't allowed to do that.
247    
248     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Added a
249     file_security_check() function to check random potential exploits on files
250     that sandbox is to load and read -- Normally sandboxpids.tmp. This fixes
251     the 'system-crippling' exploits (bug 21923) and catches a few other
252     potential problems.
253    
254     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> Makefile: Updates for
255     32/64 bit sandbox. Made CC and LD '?=' values to allow passed in CC to work.
256    
257     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c:
258     bug 42048 -- Fixed the lstat/errno conditions for mkdir <caleb@g.o>.
259     Added the 64/32 bit sandbox patch for AMD64 bug 32963 <brad/azarah>.
260    
261     29 Feb 2004; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c :
262     Fix permissions and group of pids file and logs. Permissions should be 0664
263     and group should be 'portage'. Bug #34260.
264    
265     28 Feb 2004; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
266     Besides a small cleanup, redo how we replace LD_PRELOAD in the environ passed
267     to the real execve (in our execve wrapper). Seems that on some arches (sparc
268     among others) do not allow us to tamper with the readonly copy passed to
269     execve, so pass our own copy of the environment. Bug #42290.
270    
271     11 Jan 2004; Nicholas Jones <carpaski@gentoo.org> create-decls:
272     Changed tail to head and added a notice about duration of glibc check.
273    
274     21 Dec 2003; Nicholas Jones <carpaski@gentoo.org> create-decls:
275     Changed the glibc subversion check to use /usr/bin/* instead of /bin/sh
276     as there isn't a guarentee that it is dynamic.
277    
278     02 Nov 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
279     If 'file' passed to before_syscall(const char *func, const char *file) is
280     invalid, we should set errno to ENOENT, and not EINVAL. This should
281     close bug #32238.
282    
283     14 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
284     Fix a bug that occurs mainly on 64bit arch, where the file passed to
285     the functions we wrap, is invalid, and then cause canonicalize to pass
286     garbage to before_syscall(), thanks to great detective work from
287     Andrea Luzzardi <al@sig11.org> (bug #29846).
288    
289     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
290     Add a uClibc detection patch from Peter S. Mazinger <ps.m@gmx.net>.
291    
292     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
293     Fix a bug in libsandbox.c 's checking in the rename wrapper - it basically
294     only checked the destination patch, and not the source, so we could move
295     a protected file to a unprotected directory, and then delete/modify it.
296     Thanks to Andrea Luzzardi (scox) <al@sig11.org>, bug #30992, for this fix.
297    
298     12 Oct 2003; Nicholas Jones <carpaski@gentoo.org> sandbox.c :
299     Added python2.3 to the predict section/variable.
300    
301     28 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
302     sandbox.h, sandbox_futils.c :
303     Add support to set the pids file via SANDBOX_PIDS_FILE at startup. If
304     it is not set, it will revert to its old value.
305    
306     27 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
307     Fix our mkdir wrapper to check if the dir exist, and return EEXIST if so,
308     rather than failing with a violation, bug #29748.
309    
310     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
311     Fix canonicalize() to ignore calls with path = "".
312    
313     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
314     sandbox_futils.c, canonicalize.c :
315     Once again coreutils fails, as my systems had 2.5 kernel, the getcwd system
316     call handled strings larger than PATH_MAX (bug #21766). It however does not
317     work the same on 2.4 kernels.
318    
319     To fix, I added the posix implementation of getcwd() (from glibc cvs) that
320     do not need the system call. We use the default getcwd() function via a
321     wrapper (egetcwd), and then lstat the returned path. If lstat fails, it
322     means the current directory was removed, OR that the the system call for
323     getcwd failed (curious is that it do not fail and return NULL or set
324     errno, but rather just truncate the retured directory - usually from the
325     start), and if so, we use the generic getcwd() function (__egetcwd). Note
326     that we do not use the generic version all the time, as it calls lstat()
327     a great number of times, and performance degrade much.
328    
329     29 Jun 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls,
330     libsandbox.c :
331     Make sure SB_PATH_MAX will not wrap. Fix two possible memory leaks.
332    
333     22 Jun 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, canonicalize.c
334     create-localdecls :
335     When checking path names of files accessed, we need to canonicalize it, else
336     it may be a symlink in a 'write allowed' directory pointing to a file in a
337     directory we should not have write access to.
338    
339     With something like coreutils-5.0, we have two problems:
340     1) One of the tests checks if getcwd() can return a path longer than
341     PATH_MAX. This test then tries to create a dir which even while
342     created local (mkdir("conftest2")), it ends up being resolved with
343     a name that is much larger than PATH_MAX. The problem now is that
344     canonicalize() have undefined behaviour when the path was too long
345     (returned wrongly truncated paths, etc), and pass the wrong path to
346     before_syscall() (causing the bogus sandbox violations).
347     2) The ecanonicalize() function we used, along with the canonicalize()
348     function did not support longer than PATH_MAX. This is partly a
349     cause for 1), but the error checking (rather lack of it) of calls
350     to erealpath() in canonicalize() was the prime reason for 1).
351    
352     As we do not use this canonicalized name to call the function, we resolve this
353     by fixing canonicalize() to do better error checking, and ecanonicalize() as
354     well as all functions in libsandbox.c to use a PATH_MAX of 'PATH_MAX * 2'.
355     While they will resolve paths properly now, and can check if a write/read is
356     allowed, the functions called from the sandboxed environment will still work
357     as expected.
358    
359     This should resolve bug #21766.
360    
361     06 Apr 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
362     For some reason sandbox fails with a 'open_wr' if you run 'locale -a' under
363     it (bug #16298).
364    
365     Problem is that for some reason locale fopen's locale.alias with mode "rm".
366    
367     -------------------------------------------------------
368     nosferatu root # grep fopen locale.log
369     fopen("/usr/share/locale/locale.alias", "rm"ACCESS DENIED open_wr: /usr/share/locale/locale.alias
370     nosferatu root #
371     --------------------------------------------------------
372    
373     I checked the source of locale, but it have fopen with mode 'r', so
374     not sure where the "rm" mode comes from. Anyhow, changed the check in
375     before_syscall_open_char() to also see mode "rm" as readonly.
376    
377     23 Feb 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
378    
379     Add glibc-2.3 support.
380    
381     22 Feb 2003; Martin Schlemmer <azarah@gentoo.org> sandbox.c :
382    
383     Some /etc/ld.so.preload fixes. Just changed the #if defines to cover all
384     operations releated to preload, as well as only try to modify ld.so.preload
385     if we can. Also modify to write the pid to /tmp/sandboxpids.tmp even when
386     not using ld.so.preload. Fix to not write this instance of sandbox's pid
387     to /tmp/sandboxpids.tmp on exit if this is not the last sandbox running.
388    
389     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> Makefile :
390    
391     Changed the LD to CC for hppa.
392    
393     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
394    
395     Killed the previous changes I made.
396    
397     17 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
398    
399     Added parisc to BROKEN_RTLD_ARCHLIST to see if it we can fix the relocation probs.
400    
401     09 Jan 2003; J Robert Ray <jrray@gentoo.org> sandbox.c :
402    
403     Don't segfault if $HOME isn't set, set $HOME to "/" instead. Fixes bug 10868.
404    
405     16 Dec 2002; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
406    
407     Fix memory leak for mips, bug #12236. Thanks to Torgeir Hansen <torgeir@trenger.ro>
408     for this fix.
409    
410     4 Dec 2002; J Robert Ray <jrray@gentoo.org> sandbox.h sandbox_futils.c :
411    
412     sandbox_futils defined a dirname() function that was masking the same
413     function in glibc and was broken (e.g.: SANDBOX_DIR was being set to
414     '/usr/lib/portage/bi/'). Fixed function to return expected results and
415     renamed it to sb_dirname() to no longer mask the glibc function. Closes bug
416     11231.
417    
418     4 Dec 2002; Martin Schlemmer <azarah@gentoo.org> :
419    
420     Fix a segfault in libsandbox.c if canonicalize() was called with
421     first parameter = NULL.
422    
423     1 Sep 2002; Martin Schlemmer <azarah@gentoo.org> :
424    
425     Fix my braindead 'return 1;' in a void function. Updated sandbox.c,
426     cleanup() for this.
427    
428     Change cleanup() in sandbox.c not to exit with fail status if
429     the pidsfile is missing. We really should still display sandbox
430     violations if they occured.
431    
432     31 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
433    
434     Update cleanup() in sandbox.c to remove the PIDSFILE if this is
435     the last sandbox running.
436    
437     25 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
438    
439     Major cleanups to mainly libsandbox.c again.
440    
441     22 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
442    
443     Add copyrights to sandbox.h and sandbox_futils.h. If wrong, the
444     parties involved should please contact me so that we can fix it.
445    
446     Add opendir wrapper to libsandbox.c.
447    
448     21 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
449    
450     Do some more cleanups to ecanonicalize(), as it dropped filenames in
451     rare cases (after my symlink cleanups), and caused glibc to bork.
452     These fixes went into canonicalize.c.
453    
454     20 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
455    
456     Fix spawn_shell() and main() in sandbox.c to properly return fail
457     status.
458    
459     19 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
460    
461     The new canonicalize() function in libsandbox.c also resolved symlinks,
462     which caused on cleaning sandbox errors if the symlink pointed to a
463     file in the live root. Ripped out canonicalize() and realpath() from
464     glibc; removed the symlink stuff, and changed them to ecanonicalize()
465     and erealpath().
466    
467     18 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
468    
469     Ripped out all the wrappers, and implemented those of InstallWatch.
470     Losts of cleanups and bugfixes. Implement a execve that forces
471     $LIBSANDBOX in $LD_PRELOAD. We can now thus do away with the feared
472     /etc/ld.so.preload (*g*) ... Made the needed changes to sandbox.c,
473     sandbox.h and sandbox_futils.c. Rewrote the Makefile for most
474     parts; it now have an install target.
475    
476     Reformat the whole thing to look somewhat like the reworked sandbox.c
477     and new sandbox.h and sandbox_futils.c from:
478    
479     Brad House <brad@mainstreetsoftworks.com>.
480    
481     Additional Copyrights now due to the InstallWatch code:
482    
483     Copyright (C) 1998-9 Pancrazio `Ezio' de Mauro <p@demauro.net>

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