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Revision 98 - (hide annotations) (download)
Fri May 13 12:53:15 2005 UTC (8 years, 11 months ago) by azarah
File size: 21880 byte(s)
Remove sandbox_log_file from main() as its no longer used.

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

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