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Revision 112 - (show annotations) (download)
Thu Jun 9 15:47:25 2005 UTC (9 years, 5 months ago) by azarah
File size: 23767 byte(s)
Add wrapper for access() function, bug #85413.
1 # ChangeLog for Path Sandbox
2 # Copyright 1999-2005 Gentoo Foundation; Distributed under the GPL v2
3 # $Header$
4
5 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
6 Add wrapper for access() function, bug #85413.
7
8 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
9 Use generic getcwd() implementation from uclibc - should be more portable
10 and looks a bit cleaner.
11
12 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
13 Make sure our true_* pointers are initialized to NULL, and that we check for
14 all references that they are valid.
15
16 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
17 Be default we will fail if the path name we try to canonicalize is too long.
18 This however could cause issues with some things (bug #94630 and #21766), so
19 if fail_nametoolong == 0, canonicalize() will return a null length string and
20 do not fail.
21
22 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
23 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
24 make sure we re-export the new TMPDIR environment variable.
25
26 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
27 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
28 by Marcus D. Hanwell <cryos@gentoo.org>.
29
30 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
31 Add /dev/console to write list, bug #38588.
32
33 * sandbox-1.2.8 (2005/05/13)
34
35 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
36 sandbox.h, sandbox_futils.c:
37 General cleanups.
38
39 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
40 sandbox.h:
41 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
42
43 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
44 sandbox.h, sandbox_futils.c:
45 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
46 to use TMPDIR if present in environment.
47
48 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
49 Remove sandbox_log_file from main() as its no longer used.
50
51 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
52 sandbox_futils.c:
53 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
54 if already exported when sandbox started). Fix get_sandbox_log() and new
55 get_sandbox_debug_log() to not use already exported environment variables if
56 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
57 SB_PATH_MAX fixes.
58
59 * sandbox-1.2.7 (2005/05/12)
60
61 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
62 sandbox_futils.c:
63 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
64
65 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
66 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
67 with '(null)' in it if we did not call sandbox with absolute path.
68
69 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
70 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
71 for the child.
72
73 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
74 Remove global preload_adaptable as it is no longer used.
75
76 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
77 Rewrite environment stuff to only be set when execve'ing the child process
78 to try and avoid issues like bug #91541 that causes sandbox to crash if
79 we set LD_PRELOAD sandbox side already.
80
81 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
82 Move print_sandbox_log() up to make things neater.
83
84 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
85 Remove load_preload_libs(), as its not used anymore.
86
87 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
88 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
89
90 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
91 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
92
93 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
94 Remove ld.so.preload crap - we are not going to use it again.
95
96 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
97 Fix typo in code that checks if we got valid group information, causing a
98 segmentation fault, bug #91637.
99
100 * sandbox-1.2.6 (2005/05/10)
101
102 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
103 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
104 for some odd reason, bug #91541.
105
106 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
107 Fix typo (sizeof -> strlen).
108
109 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
110 rewrote the sbcontext caching code so it accounts for env changes since lib
111 initialization.
112
113 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
114 We create libctest.c via configure, so no need to keep it around. Do some
115 cleanup related to libctest.c and libctest during configure.
116
117 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
118 Add rename support of symlinks pointing to protected files/directories.
119
120 * sandbox-1.2.5 (2005/05/04)
121
122 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
123 sandbox.bashrc:
124 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
125 already set, init of the env vars fails for some reason, so do this later on,
126 and do not warn (bug #91431).
127
128 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
129 sandbox.bashrc:
130 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
131
132 * sandbox-1.2.4 (2005/05/03)
133
134 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
135 Do not init the env entries with each call, as it creates too many calls to
136 lstat, etc. Should speedup things a bit, bug #91040.
137
138 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
139 Add /dev/pty to default write list. Noticed by Morfic.
140
141 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
142 sandbox.h:
143 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
144 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
145
146 * sandbox-1.2.3 (2005/04/29)
147
148 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
149 Do not check for (*&#$(* CXX or F77.
150
151 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
152 Do not append '/' to pathname in filter_path() if it already ends with it.
153
154 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
155 With az's help, clean up autotools to work with cross-compiling.
156
157 * sandbox-1.2.2 (2005/04/28)
158
159 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
160 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
161 have issues; bug #90592.
162
163 * sandbox-1.2.1 (2005/04/23)
164
165 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
166 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
167 Make sure all functions used in libsandbox.c is declared static. Define
168 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
169 linking with its object. Hopefully this will fix bug #90153.
170
171 * sandbox-1.2 (2005/04/23)
172
173 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
174 Allow lchown a symlink in write-allowed path pointing to write-denied
175 target.
176
177 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
178 Also show resolved symlink names in the log.
179
180 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
181 Seems -nostdlib was the problem with the constructor/destructor - remove it
182 from Makefile.am, and change the constructor/destructor names again.
183
184 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
185 Also rename the _init() and _fini() declarations.
186
187 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
188 Fixup the constructor/destructor function names again (they should be _init()
189 and _fini() it seems, and not being called caused sandbox_lib_path to be
190 unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
191 Add both the path in given SANDBOX_x variable, as well as its symlink
192 resolved path in init_env_entries(). Modify filter_path() to be able to
193 resolve paths without resolving symlinks, as well as to be able to resolve
194 symlinks. Fix a possible segfault in check_access(). Add symlink resolving
195 to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
196 for bug #31019 cause access violations if we try to remove a symlink that is
197 not in protected path, but points to a protected path. Fix a memory leak in
198 sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
199 (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
200 (pid_string was uninitialized). General syntax cleanups.
201
202 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
203 infamous "pids file is not a regular file" w/out newline bug.
204
205 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
206 Correct libc_version path detection, since it was screwing up if libdir !=
207 "/lib/".
208
209 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
210 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
211
212 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
213 Fix symbols.in not added to dist.
214
215 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
216 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
217 White space fixes.
218
219 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
220 configure.in, getcwd.c, libsandbox.c, symbols.in:
221 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
222 getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
223 for glibc and other libc's that use this. Update libsandbox.c to use these
224 symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
225 process unset it.
226
227 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
228 killed off _init and _fini in favor of
229 void __attribute__ ((constructor)) init_func and
230 void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
231
232 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
233 canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
234 having the hick-ups.
235
236 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
237 Makefile.am: Fixed compilation.
238
239 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
240 Gutted the bugger so it stops checking for a c++ and fortran compiler.
241 Do *not* regenerate aclocal.m4 for making a release until a better
242 solution is created.
243
244 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, sandbox_futils.c:
245 Removal of more hardcoded paths.
246
247 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in,
248 sandbox_futils.c: tweaks to install sandbox.bashrc, and use it.
249
250 19 Nov 2004; Brian Harring <ferringb@gentoo.org>:
251 Sandbox is now autotooled, create-localdecls needs to be killed and the code
252 shifted into configure.in. Currently builds *one* libsandbox.so- if multiple
253 are desired (-m64 and -m32 for amd64), the ebuild should do it (imo).
254 To get to a point of testing, automake && autoconf; created requisite files w/
255 a(utomake|clocal)-1.8, and autoconf 2.59. Installs to /usr/, instead of
256 /lib and /usr/lib/portage/bin.
257
258 14 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox.c:
259 closing out bug #70225, potential overflow of the sandbox_pids_file var.
260
261 07 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c: c99 standard,
262 (think it was at least) allows intermixing of code and data segments. bug #70351
263 should be fixed by this.
264
265 03 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox_futils.c:
266 futils fix from bug #65201 via solar, and libsandbox log path checks via #69137
267
268 02 Aug 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Code from
269 Seth Robertson that tracked down all adjuct flags for read operations that
270 do not invoke a write operation.
271
272 04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
273 Another fix from jstubbs regarding a free() on a stack variable for the
274 environment -- tracking now prevents extraneous free()'s segfault.
275
276 04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
277 J. Stubbs tracked down a new bug where mkdir was failing to the patch on
278 the lstat in mkdir... it now only returns 0 or -1 as documented for mkdir.
279 Also remove the errno = ESUCCESS settings as documentation points out that
280 a library isn't allowed to do that.
281
282 04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Added a
283 file_security_check() function to check random potential exploits on files
284 that sandbox is to load and read -- Normally sandboxpids.tmp. This fixes
285 the 'system-crippling' exploits (bug 21923) and catches a few other
286 potential problems.
287
288 20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> Makefile: Updates for
289 32/64 bit sandbox. Made CC and LD '?=' values to allow passed in CC to work.
290
291 20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c:
292 bug 42048 -- Fixed the lstat/errno conditions for mkdir <caleb@g.o>.
293 Added the 64/32 bit sandbox patch for AMD64 bug 32963 <brad/azarah>.
294
295 29 Feb 2004; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c :
296 Fix permissions and group of pids file and logs. Permissions should be 0664
297 and group should be 'portage'. Bug #34260.
298
299 28 Feb 2004; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
300 Besides a small cleanup, redo how we replace LD_PRELOAD in the environ passed
301 to the real execve (in our execve wrapper). Seems that on some arches (sparc
302 among others) do not allow us to tamper with the readonly copy passed to
303 execve, so pass our own copy of the environment. Bug #42290.
304
305 11 Jan 2004; Nicholas Jones <carpaski@gentoo.org> create-decls:
306 Changed tail to head and added a notice about duration of glibc check.
307
308 21 Dec 2003; Nicholas Jones <carpaski@gentoo.org> create-decls:
309 Changed the glibc subversion check to use /usr/bin/* instead of /bin/sh
310 as there isn't a guarentee that it is dynamic.
311
312 02 Nov 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
313 If 'file' passed to before_syscall(const char *func, const char *file) is
314 invalid, we should set errno to ENOENT, and not EINVAL. This should
315 close bug #32238.
316
317 14 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
318 Fix a bug that occurs mainly on 64bit arch, where the file passed to
319 the functions we wrap, is invalid, and then cause canonicalize to pass
320 garbage to before_syscall(), thanks to great detective work from
321 Andrea Luzzardi <al@sig11.org> (bug #29846).
322
323 13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
324 Add a uClibc detection patch from Peter S. Mazinger <ps.m@gmx.net>.
325
326 13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
327 Fix a bug in libsandbox.c 's checking in the rename wrapper - it basically
328 only checked the destination patch, and not the source, so we could move
329 a protected file to a unprotected directory, and then delete/modify it.
330 Thanks to Andrea Luzzardi (scox) <al@sig11.org>, bug #30992, for this fix.
331
332 12 Oct 2003; Nicholas Jones <carpaski@gentoo.org> sandbox.c :
333 Added python2.3 to the predict section/variable.
334
335 28 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
336 sandbox.h, sandbox_futils.c :
337 Add support to set the pids file via SANDBOX_PIDS_FILE at startup. If
338 it is not set, it will revert to its old value.
339
340 27 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
341 Fix our mkdir wrapper to check if the dir exist, and return EEXIST if so,
342 rather than failing with a violation, bug #29748.
343
344 27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
345 Fix canonicalize() to ignore calls with path = "".
346
347 27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
348 sandbox_futils.c, canonicalize.c :
349 Once again coreutils fails, as my systems had 2.5 kernel, the getcwd system
350 call handled strings larger than PATH_MAX (bug #21766). It however does not
351 work the same on 2.4 kernels.
352
353 To fix, I added the posix implementation of getcwd() (from glibc cvs) that
354 do not need the system call. We use the default getcwd() function via a
355 wrapper (egetcwd), and then lstat the returned path. If lstat fails, it
356 means the current directory was removed, OR that the the system call for
357 getcwd failed (curious is that it do not fail and return NULL or set
358 errno, but rather just truncate the retured directory - usually from the
359 start), and if so, we use the generic getcwd() function (__egetcwd). Note
360 that we do not use the generic version all the time, as it calls lstat()
361 a great number of times, and performance degrade much.
362
363 29 Jun 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls,
364 libsandbox.c :
365 Make sure SB_PATH_MAX will not wrap. Fix two possible memory leaks.
366
367 22 Jun 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, canonicalize.c
368 create-localdecls :
369 When checking path names of files accessed, we need to canonicalize it, else
370 it may be a symlink in a 'write allowed' directory pointing to a file in a
371 directory we should not have write access to.
372
373 With something like coreutils-5.0, we have two problems:
374 1) One of the tests checks if getcwd() can return a path longer than
375 PATH_MAX. This test then tries to create a dir which even while
376 created local (mkdir("conftest2")), it ends up being resolved with
377 a name that is much larger than PATH_MAX. The problem now is that
378 canonicalize() have undefined behaviour when the path was too long
379 (returned wrongly truncated paths, etc), and pass the wrong path to
380 before_syscall() (causing the bogus sandbox violations).
381 2) The ecanonicalize() function we used, along with the canonicalize()
382 function did not support longer than PATH_MAX. This is partly a
383 cause for 1), but the error checking (rather lack of it) of calls
384 to erealpath() in canonicalize() was the prime reason for 1).
385
386 As we do not use this canonicalized name to call the function, we resolve this
387 by fixing canonicalize() to do better error checking, and ecanonicalize() as
388 well as all functions in libsandbox.c to use a PATH_MAX of 'PATH_MAX * 2'.
389 While they will resolve paths properly now, and can check if a write/read is
390 allowed, the functions called from the sandboxed environment will still work
391 as expected.
392
393 This should resolve bug #21766.
394
395 06 Apr 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
396 For some reason sandbox fails with a 'open_wr' if you run 'locale -a' under
397 it (bug #16298).
398
399 Problem is that for some reason locale fopen's locale.alias with mode "rm".
400
401 -------------------------------------------------------
402 nosferatu root # grep fopen locale.log
403 fopen("/usr/share/locale/locale.alias", "rm"ACCESS DENIED open_wr: /usr/share/locale/locale.alias
404 nosferatu root #
405 --------------------------------------------------------
406
407 I checked the source of locale, but it have fopen with mode 'r', so
408 not sure where the "rm" mode comes from. Anyhow, changed the check in
409 before_syscall_open_char() to also see mode "rm" as readonly.
410
411 23 Feb 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
412
413 Add glibc-2.3 support.
414
415 22 Feb 2003; Martin Schlemmer <azarah@gentoo.org> sandbox.c :
416
417 Some /etc/ld.so.preload fixes. Just changed the #if defines to cover all
418 operations releated to preload, as well as only try to modify ld.so.preload
419 if we can. Also modify to write the pid to /tmp/sandboxpids.tmp even when
420 not using ld.so.preload. Fix to not write this instance of sandbox's pid
421 to /tmp/sandboxpids.tmp on exit if this is not the last sandbox running.
422
423 22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> Makefile :
424
425 Changed the LD to CC for hppa.
426
427 22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
428
429 Killed the previous changes I made.
430
431 17 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
432
433 Added parisc to BROKEN_RTLD_ARCHLIST to see if it we can fix the relocation probs.
434
435 09 Jan 2003; J Robert Ray <jrray@gentoo.org> sandbox.c :
436
437 Don't segfault if $HOME isn't set, set $HOME to "/" instead. Fixes bug 10868.
438
439 16 Dec 2002; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
440
441 Fix memory leak for mips, bug #12236. Thanks to Torgeir Hansen <torgeir@trenger.ro>
442 for this fix.
443
444 4 Dec 2002; J Robert Ray <jrray@gentoo.org> sandbox.h sandbox_futils.c :
445
446 sandbox_futils defined a dirname() function that was masking the same
447 function in glibc and was broken (e.g.: SANDBOX_DIR was being set to
448 '/usr/lib/portage/bi/'). Fixed function to return expected results and
449 renamed it to sb_dirname() to no longer mask the glibc function. Closes bug
450 11231.
451
452 4 Dec 2002; Martin Schlemmer <azarah@gentoo.org> :
453
454 Fix a segfault in libsandbox.c if canonicalize() was called with
455 first parameter = NULL.
456
457 1 Sep 2002; Martin Schlemmer <azarah@gentoo.org> :
458
459 Fix my braindead 'return 1;' in a void function. Updated sandbox.c,
460 cleanup() for this.
461
462 Change cleanup() in sandbox.c not to exit with fail status if
463 the pidsfile is missing. We really should still display sandbox
464 violations if they occured.
465
466 31 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
467
468 Update cleanup() in sandbox.c to remove the PIDSFILE if this is
469 the last sandbox running.
470
471 25 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
472
473 Major cleanups to mainly libsandbox.c again.
474
475 22 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
476
477 Add copyrights to sandbox.h and sandbox_futils.h. If wrong, the
478 parties involved should please contact me so that we can fix it.
479
480 Add opendir wrapper to libsandbox.c.
481
482 21 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
483
484 Do some more cleanups to ecanonicalize(), as it dropped filenames in
485 rare cases (after my symlink cleanups), and caused glibc to bork.
486 These fixes went into canonicalize.c.
487
488 20 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
489
490 Fix spawn_shell() and main() in sandbox.c to properly return fail
491 status.
492
493 19 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
494
495 The new canonicalize() function in libsandbox.c also resolved symlinks,
496 which caused on cleaning sandbox errors if the symlink pointed to a
497 file in the live root. Ripped out canonicalize() and realpath() from
498 glibc; removed the symlink stuff, and changed them to ecanonicalize()
499 and erealpath().
500
501 18 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
502
503 Ripped out all the wrappers, and implemented those of InstallWatch.
504 Losts of cleanups and bugfixes. Implement a execve that forces
505 $LIBSANDBOX in $LD_PRELOAD. We can now thus do away with the feared
506 /etc/ld.so.preload (*g*) ... Made the needed changes to sandbox.c,
507 sandbox.h and sandbox_futils.c. Rewrote the Makefile for most
508 parts; it now have an install target.
509
510 Reformat the whole thing to look somewhat like the reworked sandbox.c
511 and new sandbox.h and sandbox_futils.c from:
512
513 Brad House <brad@mainstreetsoftworks.com>.
514
515 Additional Copyrights now due to the InstallWatch code:
516
517 Copyright (C) 1998-9 Pancrazio `Ezio' de Mauro <p@demauro.net>

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