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Revision 105 - (hide annotations) (download)
Wed Jun 8 13:29:37 2005 UTC (9 years, 4 months ago) by azarah
File size: 22541 byte(s)
Add /dev/console to write list, bug #38588.
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 105 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
6     Add /dev/console to write list, bug #38588.
7    
8 azarah 102 * sandbox-1.2.8 (2005/05/13)
9    
10 azarah 99 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
11 azarah 101 sandbox.h, sandbox_futils.c:
12     General cleanups.
13    
14     13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
15 azarah 100 sandbox.h:
16     Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
17    
18     13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
19 azarah 99 sandbox.h, sandbox_futils.c:
20     Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
21     to use TMPDIR if present in environment.
22    
23 azarah 98 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
24     Remove sandbox_log_file from main() as its no longer used.
25    
26 azarah 97 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
27     sandbox_futils.c:
28     Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
29     if already exported when sandbox started). Fix get_sandbox_log() and new
30     get_sandbox_debug_log() to not use already exported environment variables if
31     they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
32     SB_PATH_MAX fixes.
33    
34 azarah 94 * sandbox-1.2.7 (2005/05/12)
35    
36 azarah 93 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
37     sandbox_futils.c:
38     More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
39    
40 azarah 92 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
41     Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
42     with '(null)' in it if we did not call sandbox with absolute path.
43    
44 azarah 89 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
45 azarah 91 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
46     for the child.
47    
48     12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
49 azarah 90 Remove global preload_adaptable as it is no longer used.
50    
51     12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
52 azarah 89 Rewrite environment stuff to only be set when execve'ing the child process
53     to try and avoid issues like bug #91541 that causes sandbox to crash if
54     we set LD_PRELOAD sandbox side already.
55    
56 azarah 87 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
57 azarah 88 Move print_sandbox_log() up to make things neater.
58    
59     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
60 azarah 87 Remove load_preload_libs(), as its not used anymore.
61    
62 azarah 83 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
63 azarah 86 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
64    
65     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
66 azarah 84 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
67    
68     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
69 azarah 83 Remove ld.so.preload crap - we are not going to use it again.
70    
71 azarah 82 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
72     Fix typo in code that checks if we got valid group information, causing a
73     segmentation fault, bug #91637.
74    
75 azarah 79 * sandbox-1.2.6 (2005/05/10)
76    
77 azarah 78 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
78     Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
79     for some odd reason, bug #91541.
80    
81 azarah 77 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
82     Fix typo (sizeof -> strlen).
83    
84 ferringb 76 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
85     rewrote the sbcontext caching code so it accounts for env changes since lib
86     initialization.
87    
88 azarah 75 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
89     We create libctest.c via configure, so no need to keep it around. Do some
90     cleanup related to libctest.c and libctest during configure.
91    
92 azarah 74 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
93     Add rename support of symlinks pointing to protected files/directories.
94    
95 azarah 72 * sandbox-1.2.5 (2005/05/04)
96    
97 azarah 71 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
98     sandbox.bashrc:
99     Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
100     already set, init of the env vars fails for some reason, so do this later on,
101     and do not warn (bug #91431).
102    
103 azarah 70 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
104     sandbox.bashrc:
105     Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
106    
107 azarah 68 * sandbox-1.2.4 (2005/05/03)
108    
109 azarah 66 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
110     Do not init the env entries with each call, as it creates too many calls to
111 azarah 67 lstat, etc. Should speedup things a bit, bug #91040.
112 azarah 66
113 azarah 65 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
114     Add /dev/pty to default write list. Noticed by Morfic.
115    
116 vapier 62 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
117     sandbox.h:
118     uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
119     exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
120    
121 azarah 59 * sandbox-1.2.3 (2005/04/29)
122    
123 azarah 56 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
124     Do not check for (*&#$(* CXX or F77.
125    
126 azarah 54 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
127     Do not append '/' to pathname in filter_path() if it already ends with it.
128    
129 vapier 53 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
130     With az's help, clean up autotools to work with cross-compiling.
131    
132 azarah 59 * sandbox-1.2.2 (2005/04/28)
133 azarah 48
134 azarah 47 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
135     Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
136     have issues; bug #90592.
137    
138 azarah 59 * sandbox-1.2.1 (2005/04/23)
139 azarah 44
140 azarah 43 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
141     getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
142     Make sure all functions used in libsandbox.c is declared static. Define
143     SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
144     linking with its object. Hopefully this will fix bug #90153.
145    
146 azarah 59 * sandbox-1.2 (2005/04/23)
147 azarah 46
148 azarah 40 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
149     Allow lchown a symlink in write-allowed path pointing to write-denied
150     target.
151    
152 genone 39 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
153     Also show resolved symlink names in the log.
154    
155 azarah 37 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
156     Seems -nostdlib was the problem with the constructor/destructor - remove it
157     from Makefile.am, and change the constructor/destructor names again.
158    
159 azarah 36 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
160     Also rename the _init() and _fini() declarations.
161    
162 azarah 35 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
163     Fixup the constructor/destructor function names again (they should be _init()
164     and _fini() it seems, and not being called caused sandbox_lib_path to be
165     unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
166     Add both the path in given SANDBOX_x variable, as well as its symlink
167     resolved path in init_env_entries(). Modify filter_path() to be able to
168     resolve paths without resolving symlinks, as well as to be able to resolve
169     symlinks. Fix a possible segfault in check_access(). Add symlink resolving
170     to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
171     for bug #31019 cause access violations if we try to remove a symlink that is
172     not in protected path, but points to a protected path. Fix a memory leak in
173     sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
174     (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
175     (pid_string was uninitialized). General syntax cleanups.
176    
177 ferringb 34 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
178     infamous "pids file is not a regular file" w/out newline bug.
179    
180 ferringb 33 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
181     Correct libc_version path detection, since it was screwing up if libdir !=
182     "/lib/".
183    
184     02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
185 azarah 32 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
186    
187 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
188 azarah 31 Fix symbols.in not added to dist.
189    
190 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
191 azarah 30 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
192     White space fixes.
193    
194 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
195 azarah 30 configure.in, getcwd.c, libsandbox.c, symbols.in:
196 azarah 29 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
197     getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
198     for glibc and other libc's that use this. Update libsandbox.c to use these
199     symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
200     process unset it.
201    
202 ferringb 33 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
203 ferringb 28 killed off _init and _fini in favor of
204     void __attribute__ ((constructor)) init_func and
205     void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
206    
207 ferringb 26 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
208     canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
209     having the hick-ups.
210    
211 ferringb 24 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
212     Makefile.am: Fixed compilation.
213    
214 ferringb 18 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
215     Gutted the bugger so it stops checking for a c++ and fortran compiler.
216     Do *not* regenerate aclocal.m4 for making a release until a better
217     solution is created.
218    
219 ferringb 16 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, sandbox_futils.c:
220     Removal of more hardcoded paths.
221    
222 ferringb 13 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in,
223     sandbox_futils.c: tweaks to install sandbox.bashrc, and use it.
224    
225     19 Nov 2004; Brian Harring <ferringb@gentoo.org>:
226 ferringb 6 Sandbox is now autotooled, create-localdecls needs to be killed and the code
227     shifted into configure.in. Currently builds *one* libsandbox.so- if multiple
228     are desired (-m64 and -m32 for amd64), the ebuild should do it (imo).
229     To get to a point of testing, automake && autoconf; created requisite files w/
230     a(utomake|clocal)-1.8, and autoconf 2.59. Installs to /usr/, instead of
231     /lib and /usr/lib/portage/bin.
232    
233 ferringb 2 14 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox.c:
234     closing out bug #70225, potential overflow of the sandbox_pids_file var.
235    
236     07 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c: c99 standard,
237     (think it was at least) allows intermixing of code and data segments. bug #70351
238     should be fixed by this.
239    
240     03 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox_futils.c:
241     futils fix from bug #65201 via solar, and libsandbox log path checks via #69137
242    
243     02 Aug 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Code from
244     Seth Robertson that tracked down all adjuct flags for read operations that
245     do not invoke a write operation.
246    
247     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
248     Another fix from jstubbs regarding a free() on a stack variable for the
249     environment -- tracking now prevents extraneous free()'s segfault.
250    
251     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
252     J. Stubbs tracked down a new bug where mkdir was failing to the patch on
253     the lstat in mkdir... it now only returns 0 or -1 as documented for mkdir.
254     Also remove the errno = ESUCCESS settings as documentation points out that
255     a library isn't allowed to do that.
256    
257     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Added a
258     file_security_check() function to check random potential exploits on files
259     that sandbox is to load and read -- Normally sandboxpids.tmp. This fixes
260     the 'system-crippling' exploits (bug 21923) and catches a few other
261     potential problems.
262    
263     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> Makefile: Updates for
264     32/64 bit sandbox. Made CC and LD '?=' values to allow passed in CC to work.
265    
266     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c:
267     bug 42048 -- Fixed the lstat/errno conditions for mkdir <caleb@g.o>.
268     Added the 64/32 bit sandbox patch for AMD64 bug 32963 <brad/azarah>.
269    
270     29 Feb 2004; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c :
271     Fix permissions and group of pids file and logs. Permissions should be 0664
272     and group should be 'portage'. Bug #34260.
273    
274     28 Feb 2004; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
275     Besides a small cleanup, redo how we replace LD_PRELOAD in the environ passed
276     to the real execve (in our execve wrapper). Seems that on some arches (sparc
277     among others) do not allow us to tamper with the readonly copy passed to
278     execve, so pass our own copy of the environment. Bug #42290.
279    
280     11 Jan 2004; Nicholas Jones <carpaski@gentoo.org> create-decls:
281     Changed tail to head and added a notice about duration of glibc check.
282    
283     21 Dec 2003; Nicholas Jones <carpaski@gentoo.org> create-decls:
284     Changed the glibc subversion check to use /usr/bin/* instead of /bin/sh
285     as there isn't a guarentee that it is dynamic.
286    
287     02 Nov 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
288     If 'file' passed to before_syscall(const char *func, const char *file) is
289     invalid, we should set errno to ENOENT, and not EINVAL. This should
290     close bug #32238.
291    
292     14 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
293     Fix a bug that occurs mainly on 64bit arch, where the file passed to
294     the functions we wrap, is invalid, and then cause canonicalize to pass
295     garbage to before_syscall(), thanks to great detective work from
296     Andrea Luzzardi <al@sig11.org> (bug #29846).
297    
298     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
299     Add a uClibc detection patch from Peter S. Mazinger <ps.m@gmx.net>.
300    
301     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
302     Fix a bug in libsandbox.c 's checking in the rename wrapper - it basically
303     only checked the destination patch, and not the source, so we could move
304     a protected file to a unprotected directory, and then delete/modify it.
305     Thanks to Andrea Luzzardi (scox) <al@sig11.org>, bug #30992, for this fix.
306    
307     12 Oct 2003; Nicholas Jones <carpaski@gentoo.org> sandbox.c :
308     Added python2.3 to the predict section/variable.
309    
310     28 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
311     sandbox.h, sandbox_futils.c :
312     Add support to set the pids file via SANDBOX_PIDS_FILE at startup. If
313     it is not set, it will revert to its old value.
314    
315     27 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
316     Fix our mkdir wrapper to check if the dir exist, and return EEXIST if so,
317     rather than failing with a violation, bug #29748.
318    
319     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
320     Fix canonicalize() to ignore calls with path = "".
321    
322     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
323     sandbox_futils.c, canonicalize.c :
324     Once again coreutils fails, as my systems had 2.5 kernel, the getcwd system
325     call handled strings larger than PATH_MAX (bug #21766). It however does not
326     work the same on 2.4 kernels.
327    
328     To fix, I added the posix implementation of getcwd() (from glibc cvs) that
329     do not need the system call. We use the default getcwd() function via a
330     wrapper (egetcwd), and then lstat the returned path. If lstat fails, it
331     means the current directory was removed, OR that the the system call for
332     getcwd failed (curious is that it do not fail and return NULL or set
333     errno, but rather just truncate the retured directory - usually from the
334     start), and if so, we use the generic getcwd() function (__egetcwd). Note
335     that we do not use the generic version all the time, as it calls lstat()
336     a great number of times, and performance degrade much.
337    
338     29 Jun 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls,
339     libsandbox.c :
340     Make sure SB_PATH_MAX will not wrap. Fix two possible memory leaks.
341    
342     22 Jun 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, canonicalize.c
343     create-localdecls :
344     When checking path names of files accessed, we need to canonicalize it, else
345     it may be a symlink in a 'write allowed' directory pointing to a file in a
346     directory we should not have write access to.
347    
348     With something like coreutils-5.0, we have two problems:
349     1) One of the tests checks if getcwd() can return a path longer than
350     PATH_MAX. This test then tries to create a dir which even while
351     created local (mkdir("conftest2")), it ends up being resolved with
352     a name that is much larger than PATH_MAX. The problem now is that
353     canonicalize() have undefined behaviour when the path was too long
354     (returned wrongly truncated paths, etc), and pass the wrong path to
355     before_syscall() (causing the bogus sandbox violations).
356     2) The ecanonicalize() function we used, along with the canonicalize()
357     function did not support longer than PATH_MAX. This is partly a
358     cause for 1), but the error checking (rather lack of it) of calls
359     to erealpath() in canonicalize() was the prime reason for 1).
360    
361     As we do not use this canonicalized name to call the function, we resolve this
362     by fixing canonicalize() to do better error checking, and ecanonicalize() as
363     well as all functions in libsandbox.c to use a PATH_MAX of 'PATH_MAX * 2'.
364     While they will resolve paths properly now, and can check if a write/read is
365     allowed, the functions called from the sandboxed environment will still work
366     as expected.
367    
368     This should resolve bug #21766.
369    
370     06 Apr 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
371     For some reason sandbox fails with a 'open_wr' if you run 'locale -a' under
372     it (bug #16298).
373    
374     Problem is that for some reason locale fopen's locale.alias with mode "rm".
375    
376     -------------------------------------------------------
377     nosferatu root # grep fopen locale.log
378     fopen("/usr/share/locale/locale.alias", "rm"ACCESS DENIED open_wr: /usr/share/locale/locale.alias
379     nosferatu root #
380     --------------------------------------------------------
381    
382     I checked the source of locale, but it have fopen with mode 'r', so
383     not sure where the "rm" mode comes from. Anyhow, changed the check in
384     before_syscall_open_char() to also see mode "rm" as readonly.
385    
386     23 Feb 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
387    
388     Add glibc-2.3 support.
389    
390     22 Feb 2003; Martin Schlemmer <azarah@gentoo.org> sandbox.c :
391    
392     Some /etc/ld.so.preload fixes. Just changed the #if defines to cover all
393     operations releated to preload, as well as only try to modify ld.so.preload
394     if we can. Also modify to write the pid to /tmp/sandboxpids.tmp even when
395     not using ld.so.preload. Fix to not write this instance of sandbox's pid
396     to /tmp/sandboxpids.tmp on exit if this is not the last sandbox running.
397    
398     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> Makefile :
399    
400     Changed the LD to CC for hppa.
401    
402     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
403    
404     Killed the previous changes I made.
405    
406     17 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
407    
408     Added parisc to BROKEN_RTLD_ARCHLIST to see if it we can fix the relocation probs.
409    
410     09 Jan 2003; J Robert Ray <jrray@gentoo.org> sandbox.c :
411    
412     Don't segfault if $HOME isn't set, set $HOME to "/" instead. Fixes bug 10868.
413    
414     16 Dec 2002; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
415    
416     Fix memory leak for mips, bug #12236. Thanks to Torgeir Hansen <torgeir@trenger.ro>
417     for this fix.
418    
419     4 Dec 2002; J Robert Ray <jrray@gentoo.org> sandbox.h sandbox_futils.c :
420    
421     sandbox_futils defined a dirname() function that was masking the same
422     function in glibc and was broken (e.g.: SANDBOX_DIR was being set to
423     '/usr/lib/portage/bi/'). Fixed function to return expected results and
424     renamed it to sb_dirname() to no longer mask the glibc function. Closes bug
425     11231.
426    
427     4 Dec 2002; Martin Schlemmer <azarah@gentoo.org> :
428    
429     Fix a segfault in libsandbox.c if canonicalize() was called with
430     first parameter = NULL.
431    
432     1 Sep 2002; Martin Schlemmer <azarah@gentoo.org> :
433    
434     Fix my braindead 'return 1;' in a void function. Updated sandbox.c,
435     cleanup() for this.
436    
437     Change cleanup() in sandbox.c not to exit with fail status if
438     the pidsfile is missing. We really should still display sandbox
439     violations if they occured.
440    
441     31 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
442    
443     Update cleanup() in sandbox.c to remove the PIDSFILE if this is
444     the last sandbox running.
445    
446     25 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
447    
448     Major cleanups to mainly libsandbox.c again.
449    
450     22 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
451    
452     Add copyrights to sandbox.h and sandbox_futils.h. If wrong, the
453     parties involved should please contact me so that we can fix it.
454    
455     Add opendir wrapper to libsandbox.c.
456    
457     21 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
458    
459     Do some more cleanups to ecanonicalize(), as it dropped filenames in
460     rare cases (after my symlink cleanups), and caused glibc to bork.
461     These fixes went into canonicalize.c.
462    
463     20 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
464    
465     Fix spawn_shell() and main() in sandbox.c to properly return fail
466     status.
467    
468     19 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
469    
470     The new canonicalize() function in libsandbox.c also resolved symlinks,
471     which caused on cleaning sandbox errors if the symlink pointed to a
472     file in the live root. Ripped out canonicalize() and realpath() from
473     glibc; removed the symlink stuff, and changed them to ecanonicalize()
474     and erealpath().
475    
476     18 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
477    
478     Ripped out all the wrappers, and implemented those of InstallWatch.
479     Losts of cleanups and bugfixes. Implement a execve that forces
480     $LIBSANDBOX in $LD_PRELOAD. We can now thus do away with the feared
481     /etc/ld.so.preload (*g*) ... Made the needed changes to sandbox.c,
482     sandbox.h and sandbox_futils.c. Rewrote the Makefile for most
483     parts; it now have an install target.
484    
485     Reformat the whole thing to look somewhat like the reworked sandbox.c
486     and new sandbox.h and sandbox_futils.c from:
487    
488     Brad House <brad@mainstreetsoftworks.com>.
489    
490     Additional Copyrights now due to the InstallWatch code:
491    
492     Copyright (C) 1998-9 Pancrazio `Ezio' de Mauro <p@demauro.net>

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