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Wed Jun 8 13:52:33 2005 UTC (9 years, 1 month ago) by azarah
Original Path: trunk/ChangeLog
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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 # ChangeLog for Path Sandbox
2 # Copyright 1999-2005 Gentoo Foundation; Distributed under the GPL v2
3 # $Header$
4
5 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 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 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
14 Add /dev/console to write list, bug #38588.
15
16 * sandbox-1.2.8 (2005/05/13)
17
18 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
19 sandbox.h, sandbox_futils.c:
20 General cleanups.
21
22 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
23 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 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 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
32 Remove sandbox_log_file from main() as its no longer used.
33
34 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 * sandbox-1.2.7 (2005/05/12)
43
44 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 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 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
53 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 Remove global preload_adaptable as it is no longer used.
58
59 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
60 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 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
65 Move print_sandbox_log() up to make things neater.
66
67 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
68 Remove load_preload_libs(), as its not used anymore.
69
70 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
71 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 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 Remove ld.so.preload crap - we are not going to use it again.
78
79 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 * sandbox-1.2.6 (2005/05/10)
84
85 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 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
90 Fix typo (sizeof -> strlen).
91
92 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 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 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
101 Add rename support of symlinks pointing to protected files/directories.
102
103 * sandbox-1.2.5 (2005/05/04)
104
105 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 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 * sandbox-1.2.4 (2005/05/03)
116
117 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 lstat, etc. Should speedup things a bit, bug #91040.
120
121 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
122 Add /dev/pty to default write list. Noticed by Morfic.
123
124 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 * sandbox-1.2.3 (2005/04/29)
130
131 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
132 Do not check for (*&#$(* CXX or F77.
133
134 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 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 * sandbox-1.2.2 (2005/04/28)
141
142 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 * sandbox-1.2.1 (2005/04/23)
147
148 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 * sandbox-1.2 (2005/04/23)
155
156 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 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
161 Also show resolved symlink names in the log.
162
163 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 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
168 Also rename the _init() and _fini() declarations.
169
170 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 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 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 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
194
195 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
196 Fix symbols.in not added to dist.
197
198 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
199 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
200 White space fixes.
201
202 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
203 configure.in, getcwd.c, libsandbox.c, symbols.in:
204 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 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
211 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 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 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
220 Makefile.am: Fixed compilation.
221
222 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 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, sandbox_futils.c:
228 Removal of more hardcoded paths.
229
230 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 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 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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