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Revision 108 - (hide annotations) (download)
Wed Jun 8 13:52:33 2005 UTC (9 years, 4 months ago) by azarah
File size: 22955 byte(s)
Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360.  Also
make sure we re-export the new TMPDIR environment variable.

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 108 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
6     Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
7     make sure we re-export the new TMPDIR environment variable.
8    
9 azarah 106 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
10     Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
11     by Marcus D. Hanwell <cryos@gentoo.org>.
12    
13 azarah 105 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
14     Add /dev/console to write list, bug #38588.
15    
16 azarah 102 * sandbox-1.2.8 (2005/05/13)
17    
18 azarah 99 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
19 azarah 101 sandbox.h, sandbox_futils.c:
20     General cleanups.
21    
22     13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
23 azarah 100 sandbox.h:
24     Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
25    
26     13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
27 azarah 99 sandbox.h, sandbox_futils.c:
28     Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
29     to use TMPDIR if present in environment.
30    
31 azarah 98 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
32     Remove sandbox_log_file from main() as its no longer used.
33    
34 azarah 97 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
35     sandbox_futils.c:
36     Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
37     if already exported when sandbox started). Fix get_sandbox_log() and new
38     get_sandbox_debug_log() to not use already exported environment variables if
39     they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
40     SB_PATH_MAX fixes.
41    
42 azarah 94 * sandbox-1.2.7 (2005/05/12)
43    
44 azarah 93 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
45     sandbox_futils.c:
46     More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
47    
48 azarah 92 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
49     Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
50     with '(null)' in it if we did not call sandbox with absolute path.
51    
52 azarah 89 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
53 azarah 91 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
54     for the child.
55    
56     12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
57 azarah 90 Remove global preload_adaptable as it is no longer used.
58    
59     12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
60 azarah 89 Rewrite environment stuff to only be set when execve'ing the child process
61     to try and avoid issues like bug #91541 that causes sandbox to crash if
62     we set LD_PRELOAD sandbox side already.
63    
64 azarah 87 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
65 azarah 88 Move print_sandbox_log() up to make things neater.
66    
67     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
68 azarah 87 Remove load_preload_libs(), as its not used anymore.
69    
70 azarah 83 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
71 azarah 86 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
72    
73     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
74 azarah 84 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
75    
76     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
77 azarah 83 Remove ld.so.preload crap - we are not going to use it again.
78    
79 azarah 82 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
80     Fix typo in code that checks if we got valid group information, causing a
81     segmentation fault, bug #91637.
82    
83 azarah 79 * sandbox-1.2.6 (2005/05/10)
84    
85 azarah 78 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
86     Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
87     for some odd reason, bug #91541.
88    
89 azarah 77 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
90     Fix typo (sizeof -> strlen).
91    
92 ferringb 76 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
93     rewrote the sbcontext caching code so it accounts for env changes since lib
94     initialization.
95    
96 azarah 75 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
97     We create libctest.c via configure, so no need to keep it around. Do some
98     cleanup related to libctest.c and libctest during configure.
99    
100 azarah 74 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
101     Add rename support of symlinks pointing to protected files/directories.
102    
103 azarah 72 * sandbox-1.2.5 (2005/05/04)
104    
105 azarah 71 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
106     sandbox.bashrc:
107     Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
108     already set, init of the env vars fails for some reason, so do this later on,
109     and do not warn (bug #91431).
110    
111 azarah 70 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
112     sandbox.bashrc:
113     Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
114    
115 azarah 68 * sandbox-1.2.4 (2005/05/03)
116    
117 azarah 66 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
118     Do not init the env entries with each call, as it creates too many calls to
119 azarah 67 lstat, etc. Should speedup things a bit, bug #91040.
120 azarah 66
121 azarah 65 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
122     Add /dev/pty to default write list. Noticed by Morfic.
123    
124 vapier 62 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
125     sandbox.h:
126     uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
127     exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
128    
129 azarah 59 * sandbox-1.2.3 (2005/04/29)
130    
131 azarah 56 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
132     Do not check for (*&#$(* CXX or F77.
133    
134 azarah 54 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
135     Do not append '/' to pathname in filter_path() if it already ends with it.
136    
137 vapier 53 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
138     With az's help, clean up autotools to work with cross-compiling.
139    
140 azarah 59 * sandbox-1.2.2 (2005/04/28)
141 azarah 48
142 azarah 47 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
143     Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
144     have issues; bug #90592.
145    
146 azarah 59 * sandbox-1.2.1 (2005/04/23)
147 azarah 44
148 azarah 43 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
149     getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
150     Make sure all functions used in libsandbox.c is declared static. Define
151     SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
152     linking with its object. Hopefully this will fix bug #90153.
153    
154 azarah 59 * sandbox-1.2 (2005/04/23)
155 azarah 46
156 azarah 40 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
157     Allow lchown a symlink in write-allowed path pointing to write-denied
158     target.
159    
160 genone 39 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
161     Also show resolved symlink names in the log.
162    
163 azarah 37 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
164     Seems -nostdlib was the problem with the constructor/destructor - remove it
165     from Makefile.am, and change the constructor/destructor names again.
166    
167 azarah 36 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
168     Also rename the _init() and _fini() declarations.
169    
170 azarah 35 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
171     Fixup the constructor/destructor function names again (they should be _init()
172     and _fini() it seems, and not being called caused sandbox_lib_path to be
173     unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
174     Add both the path in given SANDBOX_x variable, as well as its symlink
175     resolved path in init_env_entries(). Modify filter_path() to be able to
176     resolve paths without resolving symlinks, as well as to be able to resolve
177     symlinks. Fix a possible segfault in check_access(). Add symlink resolving
178     to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
179     for bug #31019 cause access violations if we try to remove a symlink that is
180     not in protected path, but points to a protected path. Fix a memory leak in
181     sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
182     (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
183     (pid_string was uninitialized). General syntax cleanups.
184    
185 ferringb 34 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
186     infamous "pids file is not a regular file" w/out newline bug.
187    
188 ferringb 33 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
189     Correct libc_version path detection, since it was screwing up if libdir !=
190     "/lib/".
191    
192     02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
193 azarah 32 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
194    
195 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
196 azarah 31 Fix symbols.in not added to dist.
197    
198 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
199 azarah 30 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
200     White space fixes.
201    
202 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
203 azarah 30 configure.in, getcwd.c, libsandbox.c, symbols.in:
204 azarah 29 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
205     getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
206     for glibc and other libc's that use this. Update libsandbox.c to use these
207     symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
208     process unset it.
209    
210 ferringb 33 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
211 ferringb 28 killed off _init and _fini in favor of
212     void __attribute__ ((constructor)) init_func and
213     void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
214    
215 ferringb 26 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
216     canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
217     having the hick-ups.
218    
219 ferringb 24 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
220     Makefile.am: Fixed compilation.
221    
222 ferringb 18 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
223     Gutted the bugger so it stops checking for a c++ and fortran compiler.
224     Do *not* regenerate aclocal.m4 for making a release until a better
225     solution is created.
226    
227 ferringb 16 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, sandbox_futils.c:
228     Removal of more hardcoded paths.
229    
230 ferringb 13 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in,
231     sandbox_futils.c: tweaks to install sandbox.bashrc, and use it.
232    
233     19 Nov 2004; Brian Harring <ferringb@gentoo.org>:
234 ferringb 6 Sandbox is now autotooled, create-localdecls needs to be killed and the code
235     shifted into configure.in. Currently builds *one* libsandbox.so- if multiple
236     are desired (-m64 and -m32 for amd64), the ebuild should do it (imo).
237     To get to a point of testing, automake && autoconf; created requisite files w/
238     a(utomake|clocal)-1.8, and autoconf 2.59. Installs to /usr/, instead of
239     /lib and /usr/lib/portage/bin.
240    
241 ferringb 2 14 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox.c:
242     closing out bug #70225, potential overflow of the sandbox_pids_file var.
243    
244     07 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c: c99 standard,
245     (think it was at least) allows intermixing of code and data segments. bug #70351
246     should be fixed by this.
247    
248     03 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox_futils.c:
249     futils fix from bug #65201 via solar, and libsandbox log path checks via #69137
250    
251     02 Aug 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Code from
252     Seth Robertson that tracked down all adjuct flags for read operations that
253     do not invoke a write operation.
254    
255     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
256     Another fix from jstubbs regarding a free() on a stack variable for the
257     environment -- tracking now prevents extraneous free()'s segfault.
258    
259     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
260     J. Stubbs tracked down a new bug where mkdir was failing to the patch on
261     the lstat in mkdir... it now only returns 0 or -1 as documented for mkdir.
262     Also remove the errno = ESUCCESS settings as documentation points out that
263     a library isn't allowed to do that.
264    
265     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Added a
266     file_security_check() function to check random potential exploits on files
267     that sandbox is to load and read -- Normally sandboxpids.tmp. This fixes
268     the 'system-crippling' exploits (bug 21923) and catches a few other
269     potential problems.
270    
271     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> Makefile: Updates for
272     32/64 bit sandbox. Made CC and LD '?=' values to allow passed in CC to work.
273    
274     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c:
275     bug 42048 -- Fixed the lstat/errno conditions for mkdir <caleb@g.o>.
276     Added the 64/32 bit sandbox patch for AMD64 bug 32963 <brad/azarah>.
277    
278     29 Feb 2004; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c :
279     Fix permissions and group of pids file and logs. Permissions should be 0664
280     and group should be 'portage'. Bug #34260.
281    
282     28 Feb 2004; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
283     Besides a small cleanup, redo how we replace LD_PRELOAD in the environ passed
284     to the real execve (in our execve wrapper). Seems that on some arches (sparc
285     among others) do not allow us to tamper with the readonly copy passed to
286     execve, so pass our own copy of the environment. Bug #42290.
287    
288     11 Jan 2004; Nicholas Jones <carpaski@gentoo.org> create-decls:
289     Changed tail to head and added a notice about duration of glibc check.
290    
291     21 Dec 2003; Nicholas Jones <carpaski@gentoo.org> create-decls:
292     Changed the glibc subversion check to use /usr/bin/* instead of /bin/sh
293     as there isn't a guarentee that it is dynamic.
294    
295     02 Nov 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
296     If 'file' passed to before_syscall(const char *func, const char *file) is
297     invalid, we should set errno to ENOENT, and not EINVAL. This should
298     close bug #32238.
299    
300     14 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
301     Fix a bug that occurs mainly on 64bit arch, where the file passed to
302     the functions we wrap, is invalid, and then cause canonicalize to pass
303     garbage to before_syscall(), thanks to great detective work from
304     Andrea Luzzardi <al@sig11.org> (bug #29846).
305    
306     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
307     Add a uClibc detection patch from Peter S. Mazinger <ps.m@gmx.net>.
308    
309     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
310     Fix a bug in libsandbox.c 's checking in the rename wrapper - it basically
311     only checked the destination patch, and not the source, so we could move
312     a protected file to a unprotected directory, and then delete/modify it.
313     Thanks to Andrea Luzzardi (scox) <al@sig11.org>, bug #30992, for this fix.
314    
315     12 Oct 2003; Nicholas Jones <carpaski@gentoo.org> sandbox.c :
316     Added python2.3 to the predict section/variable.
317    
318     28 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
319     sandbox.h, sandbox_futils.c :
320     Add support to set the pids file via SANDBOX_PIDS_FILE at startup. If
321     it is not set, it will revert to its old value.
322    
323     27 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
324     Fix our mkdir wrapper to check if the dir exist, and return EEXIST if so,
325     rather than failing with a violation, bug #29748.
326    
327     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
328     Fix canonicalize() to ignore calls with path = "".
329    
330     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
331     sandbox_futils.c, canonicalize.c :
332     Once again coreutils fails, as my systems had 2.5 kernel, the getcwd system
333     call handled strings larger than PATH_MAX (bug #21766). It however does not
334     work the same on 2.4 kernels.
335    
336     To fix, I added the posix implementation of getcwd() (from glibc cvs) that
337     do not need the system call. We use the default getcwd() function via a
338     wrapper (egetcwd), and then lstat the returned path. If lstat fails, it
339     means the current directory was removed, OR that the the system call for
340     getcwd failed (curious is that it do not fail and return NULL or set
341     errno, but rather just truncate the retured directory - usually from the
342     start), and if so, we use the generic getcwd() function (__egetcwd). Note
343     that we do not use the generic version all the time, as it calls lstat()
344     a great number of times, and performance degrade much.
345    
346     29 Jun 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls,
347     libsandbox.c :
348     Make sure SB_PATH_MAX will not wrap. Fix two possible memory leaks.
349    
350     22 Jun 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, canonicalize.c
351     create-localdecls :
352     When checking path names of files accessed, we need to canonicalize it, else
353     it may be a symlink in a 'write allowed' directory pointing to a file in a
354     directory we should not have write access to.
355    
356     With something like coreutils-5.0, we have two problems:
357     1) One of the tests checks if getcwd() can return a path longer than
358     PATH_MAX. This test then tries to create a dir which even while
359     created local (mkdir("conftest2")), it ends up being resolved with
360     a name that is much larger than PATH_MAX. The problem now is that
361     canonicalize() have undefined behaviour when the path was too long
362     (returned wrongly truncated paths, etc), and pass the wrong path to
363     before_syscall() (causing the bogus sandbox violations).
364     2) The ecanonicalize() function we used, along with the canonicalize()
365     function did not support longer than PATH_MAX. This is partly a
366     cause for 1), but the error checking (rather lack of it) of calls
367     to erealpath() in canonicalize() was the prime reason for 1).
368    
369     As we do not use this canonicalized name to call the function, we resolve this
370     by fixing canonicalize() to do better error checking, and ecanonicalize() as
371     well as all functions in libsandbox.c to use a PATH_MAX of 'PATH_MAX * 2'.
372     While they will resolve paths properly now, and can check if a write/read is
373     allowed, the functions called from the sandboxed environment will still work
374     as expected.
375    
376     This should resolve bug #21766.
377    
378     06 Apr 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
379     For some reason sandbox fails with a 'open_wr' if you run 'locale -a' under
380     it (bug #16298).
381    
382     Problem is that for some reason locale fopen's locale.alias with mode "rm".
383    
384     -------------------------------------------------------
385     nosferatu root # grep fopen locale.log
386     fopen("/usr/share/locale/locale.alias", "rm"ACCESS DENIED open_wr: /usr/share/locale/locale.alias
387     nosferatu root #
388     --------------------------------------------------------
389    
390     I checked the source of locale, but it have fopen with mode 'r', so
391     not sure where the "rm" mode comes from. Anyhow, changed the check in
392     before_syscall_open_char() to also see mode "rm" as readonly.
393    
394     23 Feb 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
395    
396     Add glibc-2.3 support.
397    
398     22 Feb 2003; Martin Schlemmer <azarah@gentoo.org> sandbox.c :
399    
400     Some /etc/ld.so.preload fixes. Just changed the #if defines to cover all
401     operations releated to preload, as well as only try to modify ld.so.preload
402     if we can. Also modify to write the pid to /tmp/sandboxpids.tmp even when
403     not using ld.so.preload. Fix to not write this instance of sandbox's pid
404     to /tmp/sandboxpids.tmp on exit if this is not the last sandbox running.
405    
406     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> Makefile :
407    
408     Changed the LD to CC for hppa.
409    
410     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
411    
412     Killed the previous changes I made.
413    
414     17 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
415    
416     Added parisc to BROKEN_RTLD_ARCHLIST to see if it we can fix the relocation probs.
417    
418     09 Jan 2003; J Robert Ray <jrray@gentoo.org> sandbox.c :
419    
420     Don't segfault if $HOME isn't set, set $HOME to "/" instead. Fixes bug 10868.
421    
422     16 Dec 2002; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
423    
424     Fix memory leak for mips, bug #12236. Thanks to Torgeir Hansen <torgeir@trenger.ro>
425     for this fix.
426    
427     4 Dec 2002; J Robert Ray <jrray@gentoo.org> sandbox.h sandbox_futils.c :
428    
429     sandbox_futils defined a dirname() function that was masking the same
430     function in glibc and was broken (e.g.: SANDBOX_DIR was being set to
431     '/usr/lib/portage/bi/'). Fixed function to return expected results and
432     renamed it to sb_dirname() to no longer mask the glibc function. Closes bug
433     11231.
434    
435     4 Dec 2002; Martin Schlemmer <azarah@gentoo.org> :
436    
437     Fix a segfault in libsandbox.c if canonicalize() was called with
438     first parameter = NULL.
439    
440     1 Sep 2002; Martin Schlemmer <azarah@gentoo.org> :
441    
442     Fix my braindead 'return 1;' in a void function. Updated sandbox.c,
443     cleanup() for this.
444    
445     Change cleanup() in sandbox.c not to exit with fail status if
446     the pidsfile is missing. We really should still display sandbox
447     violations if they occured.
448    
449     31 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
450    
451     Update cleanup() in sandbox.c to remove the PIDSFILE if this is
452     the last sandbox running.
453    
454     25 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
455    
456     Major cleanups to mainly libsandbox.c again.
457    
458     22 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
459    
460     Add copyrights to sandbox.h and sandbox_futils.h. If wrong, the
461     parties involved should please contact me so that we can fix it.
462    
463     Add opendir wrapper to libsandbox.c.
464    
465     21 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
466    
467     Do some more cleanups to ecanonicalize(), as it dropped filenames in
468     rare cases (after my symlink cleanups), and caused glibc to bork.
469     These fixes went into canonicalize.c.
470    
471     20 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
472    
473     Fix spawn_shell() and main() in sandbox.c to properly return fail
474     status.
475    
476     19 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
477    
478     The new canonicalize() function in libsandbox.c also resolved symlinks,
479     which caused on cleaning sandbox errors if the symlink pointed to a
480     file in the live root. Ripped out canonicalize() and realpath() from
481     glibc; removed the symlink stuff, and changed them to ecanonicalize()
482     and erealpath().
483    
484     18 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
485    
486     Ripped out all the wrappers, and implemented those of InstallWatch.
487     Losts of cleanups and bugfixes. Implement a execve that forces
488     $LIBSANDBOX in $LD_PRELOAD. We can now thus do away with the feared
489     /etc/ld.so.preload (*g*) ... Made the needed changes to sandbox.c,
490     sandbox.h and sandbox_futils.c. Rewrote the Makefile for most
491     parts; it now have an install target.
492    
493     Reformat the whole thing to look somewhat like the reworked sandbox.c
494     and new sandbox.h and sandbox_futils.c from:
495    
496     Brad House <brad@mainstreetsoftworks.com>.
497    
498     Additional Copyrights now due to the InstallWatch code:
499    
500     Copyright (C) 1998-9 Pancrazio `Ezio' de Mauro <p@demauro.net>

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