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Revision 160 - (show annotations) (download)
Fri Aug 5 14:49:15 2005 UTC (9 years ago) by azarah
Original Path: trunk/ChangeLog
File size: 28438 byte(s)
Release sandbox-1.2.12.
1 # ChangeLog for Path Sandbox
2 # Copyright 1999-2005 Gentoo Foundation; Distributed under the GPL v2
3 # $Header$
4
5 * sandbox-1.2.12 (2005/08/05)
6
7 05 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
8 sandbox.h:
9
10 Do not give an access violation if the access() system call do not have
11 write/read access - it does not actually modify, so we only need to return
12 not being able to write/read. Noted by Andres Loeh <kosmikus@gentoo.org>,
13 bug #101433.
14
15 If we are called from the command line, do not care about PORTAGE_TMPDIR,
16 and make the current directory the work directory. Also rename the variable
17 portage_tmp_dir to work_dir.
18
19 Remove the tmp_dir variable - we do not need it.
20
21 Improve error handling for get_sandbox_*_envvar() functions.
22
23 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
24
25 Still do normal log if debugging is requested.
26
27 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
28 to only enable if equal to "1" or "yes".
29
30 Add /dev/tts to write permit, bug #42809.
31
32 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
33 sandbox_futils.c:
34
35 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
36 in libsandbox .. bug #100309.
37
38 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
39
40 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
41
42 * sandbox-1.2.11 (2005/07/14)
43
44 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
45 Fix getcwd, bug #98419.
46
47 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
48 libsandbox.c:
49 - Try to cleanup and make error handling/printing consistent.
50 - Remove old logs if present and conflicting with current.
51 - Fix compile error with previous change, and return rather then exit().
52
53 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
54 sandbox.h, sandbox_futils.c:
55 - Fix possible segfault in env init code.
56 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
57 write to /var/log/sandbox/, so in theory do not need all that.
58 - Redo the interface of the get_* functions so that we do not leak memory.
59 - Remove sandbox_dir and co - we are not using it anymore.
60 - Remove unused includes and variables.
61 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
62 OUTSIDE_LIBSANDBOX is not defined.
63 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
64 printing's last line not honouring NOCOLOR.
65
66 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
67 libsandbox.c:
68 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
69 write to it.
70 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
71 - Add check_prefixes() with major cleanup on check_access().
72 - Cleanup init_env_entries() and check_prefixes().
73
74 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
75 sandbox_futils.c, libsandbox.c:
76 Remove unused 'pids file' code.
77
78 * sandbox-1.2.10 (2005/07/03)
79
80 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
81 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
82
83 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
84 General cleanups:
85 - Remove fooling around with exit codes - we error out on presence of a log
86 anyhow.
87 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
88 appropriate there.
89
90 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
91 Cleanup the fail_nametoolong stuff a bit more.
92
93 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
94 Remove hopefully the last ld.so.preload bits we do not use anymore.
95
96 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
97 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
98 in check_syscall(). Should speed things up a bit (at least for the getcwd()
99 and long path name test it goes down to under a second, and not 10+ seconds
100 like before). Also warn if we skip checking due to the canonicalized path
101 being too long.
102
103 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
104 More comment/readability cleanups.
105
106 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
107 sandbox_futils.c, libsandbox.c:
108 Some strncpy/strncat and other cleanups.
109
110 * sandbox-1.2.9 (2005/06/09)
111
112 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
113 Move symlink hack down a bit to try and minimize on the amount of lstat()
114 calls we do.
115
116 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
117 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
118
119 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
120 Add wrapper for access() function, bug #85413.
121
122 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
123 Use generic getcwd() implementation from uclibc - should be more portable
124 and looks a bit cleaner.
125
126 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
127 Make sure our true_* pointers are initialized to NULL, and that we check for
128 all references that they are valid.
129
130 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
131 Be default we will fail if the path name we try to canonicalize is too long.
132 This however could cause issues with some things (bug #94630 and #21766), so
133 if fail_nametoolong == 0, canonicalize() will return a null length string and
134 do not fail.
135
136 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
137 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
138 make sure we re-export the new TMPDIR environment variable.
139
140 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
141 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
142 by Marcus D. Hanwell <cryos@gentoo.org>.
143
144 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
145 Add /dev/console to write list, bug #38588.
146
147 * sandbox-1.2.8 (2005/05/13)
148
149 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
150 sandbox.h, sandbox_futils.c:
151 General cleanups.
152
153 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
154 sandbox.h:
155 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
156
157 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
158 sandbox.h, sandbox_futils.c:
159 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
160 to use TMPDIR if present in environment.
161
162 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
163 Remove sandbox_log_file from main() as its no longer used.
164
165 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
166 sandbox_futils.c:
167 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
168 if already exported when sandbox started). Fix get_sandbox_log() and new
169 get_sandbox_debug_log() to not use already exported environment variables if
170 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
171 SB_PATH_MAX fixes.
172
173 * sandbox-1.2.7 (2005/05/12)
174
175 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
176 sandbox_futils.c:
177 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
178
179 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
180 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
181 with '(null)' in it if we did not call sandbox with absolute path.
182
183 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
184 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
185 for the child.
186
187 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
188 Remove global preload_adaptable as it is no longer used.
189
190 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
191 Rewrite environment stuff to only be set when execve'ing the child process
192 to try and avoid issues like bug #91541 that causes sandbox to crash if
193 we set LD_PRELOAD sandbox side already.
194
195 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
196 Move print_sandbox_log() up to make things neater.
197
198 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
199 Remove load_preload_libs(), as its not used anymore.
200
201 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
202 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
203
204 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
205 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
206
207 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
208 Remove ld.so.preload crap - we are not going to use it again.
209
210 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
211 Fix typo in code that checks if we got valid group information, causing a
212 segmentation fault, bug #91637.
213
214 * sandbox-1.2.6 (2005/05/10)
215
216 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
217 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
218 for some odd reason, bug #91541.
219
220 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
221 Fix typo (sizeof -> strlen).
222
223 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
224 rewrote the sbcontext caching code so it accounts for env changes since lib
225 initialization.
226
227 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
228 We create libctest.c via configure, so no need to keep it around. Do some
229 cleanup related to libctest.c and libctest during configure.
230
231 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
232 Add rename support of symlinks pointing to protected files/directories.
233
234 * sandbox-1.2.5 (2005/05/04)
235
236 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
237 sandbox.bashrc:
238 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
239 already set, init of the env vars fails for some reason, so do this later on,
240 and do not warn (bug #91431).
241
242 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
243 sandbox.bashrc:
244 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
245
246 * sandbox-1.2.4 (2005/05/03)
247
248 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
249 Do not init the env entries with each call, as it creates too many calls to
250 lstat, etc. Should speedup things a bit, bug #91040.
251
252 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
253 Add /dev/pty to default write list. Noticed by Morfic.
254
255 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
256 sandbox.h:
257 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
258 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
259
260 * sandbox-1.2.3 (2005/04/29)
261
262 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
263 Do not check for (*&#$(* CXX or F77.
264
265 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
266 Do not append '/' to pathname in filter_path() if it already ends with it.
267
268 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
269 With az's help, clean up autotools to work with cross-compiling.
270
271 * sandbox-1.2.2 (2005/04/28)
272
273 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
274 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
275 have issues; bug #90592.
276
277 * sandbox-1.2.1 (2005/04/23)
278
279 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
280 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
281 Make sure all functions used in libsandbox.c is declared static. Define
282 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
283 linking with its object. Hopefully this will fix bug #90153.
284
285 * sandbox-1.2 (2005/04/23)
286
287 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
288 Allow lchown a symlink in write-allowed path pointing to write-denied
289 target.
290
291 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
292 Also show resolved symlink names in the log.
293
294 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
295 Seems -nostdlib was the problem with the constructor/destructor - remove it
296 from Makefile.am, and change the constructor/destructor names again.
297
298 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
299 Also rename the _init() and _fini() declarations.
300
301 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
302 Fixup the constructor/destructor function names again (they should be _init()
303 and _fini() it seems, and not being called caused sandbox_lib_path to be
304 unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
305 Add both the path in given SANDBOX_x variable, as well as its symlink
306 resolved path in init_env_entries(). Modify filter_path() to be able to
307 resolve paths without resolving symlinks, as well as to be able to resolve
308 symlinks. Fix a possible segfault in check_access(). Add symlink resolving
309 to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
310 for bug #31019 cause access violations if we try to remove a symlink that is
311 not in protected path, but points to a protected path. Fix a memory leak in
312 sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
313 (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
314 (pid_string was uninitialized). General syntax cleanups.
315
316 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
317 infamous "pids file is not a regular file" w/out newline bug.
318
319 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
320 Correct libc_version path detection, since it was screwing up if libdir !=
321 "/lib/".
322
323 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
324 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
325
326 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
327 Fix symbols.in not added to dist.
328
329 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
330 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
331 White space fixes.
332
333 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
334 configure.in, getcwd.c, libsandbox.c, symbols.in:
335 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
336 getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
337 for glibc and other libc's that use this. Update libsandbox.c to use these
338 symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
339 process unset it.
340
341 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
342 killed off _init and _fini in favor of
343 void __attribute__ ((constructor)) init_func and
344 void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
345
346 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
347 canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
348 having the hick-ups.
349
350 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
351 Makefile.am: Fixed compilation.
352
353 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
354 Gutted the bugger so it stops checking for a c++ and fortran compiler.
355 Do *not* regenerate aclocal.m4 for making a release until a better
356 solution is created.
357
358 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, sandbox_futils.c:
359 Removal of more hardcoded paths.
360
361 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in,
362 sandbox_futils.c: tweaks to install sandbox.bashrc, and use it.
363
364 19 Nov 2004; Brian Harring <ferringb@gentoo.org>:
365 Sandbox is now autotooled, create-localdecls needs to be killed and the code
366 shifted into configure.in. Currently builds *one* libsandbox.so- if multiple
367 are desired (-m64 and -m32 for amd64), the ebuild should do it (imo).
368 To get to a point of testing, automake && autoconf; created requisite files w/
369 a(utomake|clocal)-1.8, and autoconf 2.59. Installs to /usr/, instead of
370 /lib and /usr/lib/portage/bin.
371
372 14 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox.c:
373 closing out bug #70225, potential overflow of the sandbox_pids_file var.
374
375 07 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c: c99 standard,
376 (think it was at least) allows intermixing of code and data segments. bug #70351
377 should be fixed by this.
378
379 03 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox_futils.c:
380 futils fix from bug #65201 via solar, and libsandbox log path checks via #69137
381
382 02 Aug 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Code from
383 Seth Robertson that tracked down all adjuct flags for read operations that
384 do not invoke a write operation.
385
386 04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
387 Another fix from jstubbs regarding a free() on a stack variable for the
388 environment -- tracking now prevents extraneous free()'s segfault.
389
390 04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
391 J. Stubbs tracked down a new bug where mkdir was failing to the patch on
392 the lstat in mkdir... it now only returns 0 or -1 as documented for mkdir.
393 Also remove the errno = ESUCCESS settings as documentation points out that
394 a library isn't allowed to do that.
395
396 04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Added a
397 file_security_check() function to check random potential exploits on files
398 that sandbox is to load and read -- Normally sandboxpids.tmp. This fixes
399 the 'system-crippling' exploits (bug 21923) and catches a few other
400 potential problems.
401
402 20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> Makefile: Updates for
403 32/64 bit sandbox. Made CC and LD '?=' values to allow passed in CC to work.
404
405 20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c:
406 bug 42048 -- Fixed the lstat/errno conditions for mkdir <caleb@g.o>.
407 Added the 64/32 bit sandbox patch for AMD64 bug 32963 <brad/azarah>.
408
409 29 Feb 2004; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c :
410 Fix permissions and group of pids file and logs. Permissions should be 0664
411 and group should be 'portage'. Bug #34260.
412
413 28 Feb 2004; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
414 Besides a small cleanup, redo how we replace LD_PRELOAD in the environ passed
415 to the real execve (in our execve wrapper). Seems that on some arches (sparc
416 among others) do not allow us to tamper with the readonly copy passed to
417 execve, so pass our own copy of the environment. Bug #42290.
418
419 11 Jan 2004; Nicholas Jones <carpaski@gentoo.org> create-decls:
420 Changed tail to head and added a notice about duration of glibc check.
421
422 21 Dec 2003; Nicholas Jones <carpaski@gentoo.org> create-decls:
423 Changed the glibc subversion check to use /usr/bin/* instead of /bin/sh
424 as there isn't a guarentee that it is dynamic.
425
426 02 Nov 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
427 If 'file' passed to before_syscall(const char *func, const char *file) is
428 invalid, we should set errno to ENOENT, and not EINVAL. This should
429 close bug #32238.
430
431 14 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
432 Fix a bug that occurs mainly on 64bit arch, where the file passed to
433 the functions we wrap, is invalid, and then cause canonicalize to pass
434 garbage to before_syscall(), thanks to great detective work from
435 Andrea Luzzardi <al@sig11.org> (bug #29846).
436
437 13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
438 Add a uClibc detection patch from Peter S. Mazinger <ps.m@gmx.net>.
439
440 13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
441 Fix a bug in libsandbox.c 's checking in the rename wrapper - it basically
442 only checked the destination patch, and not the source, so we could move
443 a protected file to a unprotected directory, and then delete/modify it.
444 Thanks to Andrea Luzzardi (scox) <al@sig11.org>, bug #30992, for this fix.
445
446 12 Oct 2003; Nicholas Jones <carpaski@gentoo.org> sandbox.c :
447 Added python2.3 to the predict section/variable.
448
449 28 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
450 sandbox.h, sandbox_futils.c :
451 Add support to set the pids file via SANDBOX_PIDS_FILE at startup. If
452 it is not set, it will revert to its old value.
453
454 27 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
455 Fix our mkdir wrapper to check if the dir exist, and return EEXIST if so,
456 rather than failing with a violation, bug #29748.
457
458 27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
459 Fix canonicalize() to ignore calls with path = "".
460
461 27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
462 sandbox_futils.c, canonicalize.c :
463 Once again coreutils fails, as my systems had 2.5 kernel, the getcwd system
464 call handled strings larger than PATH_MAX (bug #21766). It however does not
465 work the same on 2.4 kernels.
466
467 To fix, I added the posix implementation of getcwd() (from glibc cvs) that
468 do not need the system call. We use the default getcwd() function via a
469 wrapper (egetcwd), and then lstat the returned path. If lstat fails, it
470 means the current directory was removed, OR that the the system call for
471 getcwd failed (curious is that it do not fail and return NULL or set
472 errno, but rather just truncate the retured directory - usually from the
473 start), and if so, we use the generic getcwd() function (__egetcwd). Note
474 that we do not use the generic version all the time, as it calls lstat()
475 a great number of times, and performance degrade much.
476
477 29 Jun 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls,
478 libsandbox.c :
479 Make sure SB_PATH_MAX will not wrap. Fix two possible memory leaks.
480
481 22 Jun 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, canonicalize.c
482 create-localdecls :
483 When checking path names of files accessed, we need to canonicalize it, else
484 it may be a symlink in a 'write allowed' directory pointing to a file in a
485 directory we should not have write access to.
486
487 With something like coreutils-5.0, we have two problems:
488 1) One of the tests checks if getcwd() can return a path longer than
489 PATH_MAX. This test then tries to create a dir which even while
490 created local (mkdir("conftest2")), it ends up being resolved with
491 a name that is much larger than PATH_MAX. The problem now is that
492 canonicalize() have undefined behaviour when the path was too long
493 (returned wrongly truncated paths, etc), and pass the wrong path to
494 before_syscall() (causing the bogus sandbox violations).
495 2) The ecanonicalize() function we used, along with the canonicalize()
496 function did not support longer than PATH_MAX. This is partly a
497 cause for 1), but the error checking (rather lack of it) of calls
498 to erealpath() in canonicalize() was the prime reason for 1).
499
500 As we do not use this canonicalized name to call the function, we resolve this
501 by fixing canonicalize() to do better error checking, and ecanonicalize() as
502 well as all functions in libsandbox.c to use a PATH_MAX of 'PATH_MAX * 2'.
503 While they will resolve paths properly now, and can check if a write/read is
504 allowed, the functions called from the sandboxed environment will still work
505 as expected.
506
507 This should resolve bug #21766.
508
509 06 Apr 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
510 For some reason sandbox fails with a 'open_wr' if you run 'locale -a' under
511 it (bug #16298).
512
513 Problem is that for some reason locale fopen's locale.alias with mode "rm".
514
515 -------------------------------------------------------
516 nosferatu root # grep fopen locale.log
517 fopen("/usr/share/locale/locale.alias", "rm"ACCESS DENIED open_wr: /usr/share/locale/locale.alias
518 nosferatu root #
519 --------------------------------------------------------
520
521 I checked the source of locale, but it have fopen with mode 'r', so
522 not sure where the "rm" mode comes from. Anyhow, changed the check in
523 before_syscall_open_char() to also see mode "rm" as readonly.
524
525 23 Feb 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
526
527 Add glibc-2.3 support.
528
529 22 Feb 2003; Martin Schlemmer <azarah@gentoo.org> sandbox.c :
530
531 Some /etc/ld.so.preload fixes. Just changed the #if defines to cover all
532 operations releated to preload, as well as only try to modify ld.so.preload
533 if we can. Also modify to write the pid to /tmp/sandboxpids.tmp even when
534 not using ld.so.preload. Fix to not write this instance of sandbox's pid
535 to /tmp/sandboxpids.tmp on exit if this is not the last sandbox running.
536
537 22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> Makefile :
538
539 Changed the LD to CC for hppa.
540
541 22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
542
543 Killed the previous changes I made.
544
545 17 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
546
547 Added parisc to BROKEN_RTLD_ARCHLIST to see if it we can fix the relocation probs.
548
549 09 Jan 2003; J Robert Ray <jrray@gentoo.org> sandbox.c :
550
551 Don't segfault if $HOME isn't set, set $HOME to "/" instead. Fixes bug 10868.
552
553 16 Dec 2002; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
554
555 Fix memory leak for mips, bug #12236. Thanks to Torgeir Hansen <torgeir@trenger.ro>
556 for this fix.
557
558 4 Dec 2002; J Robert Ray <jrray@gentoo.org> sandbox.h sandbox_futils.c :
559
560 sandbox_futils defined a dirname() function that was masking the same
561 function in glibc and was broken (e.g.: SANDBOX_DIR was being set to
562 '/usr/lib/portage/bi/'). Fixed function to return expected results and
563 renamed it to sb_dirname() to no longer mask the glibc function. Closes bug
564 11231.
565
566 4 Dec 2002; Martin Schlemmer <azarah@gentoo.org> :
567
568 Fix a segfault in libsandbox.c if canonicalize() was called with
569 first parameter = NULL.
570
571 1 Sep 2002; Martin Schlemmer <azarah@gentoo.org> :
572
573 Fix my braindead 'return 1;' in a void function. Updated sandbox.c,
574 cleanup() for this.
575
576 Change cleanup() in sandbox.c not to exit with fail status if
577 the pidsfile is missing. We really should still display sandbox
578 violations if they occured.
579
580 31 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
581
582 Update cleanup() in sandbox.c to remove the PIDSFILE if this is
583 the last sandbox running.
584
585 25 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
586
587 Major cleanups to mainly libsandbox.c again.
588
589 22 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
590
591 Add copyrights to sandbox.h and sandbox_futils.h. If wrong, the
592 parties involved should please contact me so that we can fix it.
593
594 Add opendir wrapper to libsandbox.c.
595
596 21 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
597
598 Do some more cleanups to ecanonicalize(), as it dropped filenames in
599 rare cases (after my symlink cleanups), and caused glibc to bork.
600 These fixes went into canonicalize.c.
601
602 20 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
603
604 Fix spawn_shell() and main() in sandbox.c to properly return fail
605 status.
606
607 19 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
608
609 The new canonicalize() function in libsandbox.c also resolved symlinks,
610 which caused on cleaning sandbox errors if the symlink pointed to a
611 file in the live root. Ripped out canonicalize() and realpath() from
612 glibc; removed the symlink stuff, and changed them to ecanonicalize()
613 and erealpath().
614
615 18 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
616
617 Ripped out all the wrappers, and implemented those of InstallWatch.
618 Losts of cleanups and bugfixes. Implement a execve that forces
619 $LIBSANDBOX in $LD_PRELOAD. We can now thus do away with the feared
620 /etc/ld.so.preload (*g*) ... Made the needed changes to sandbox.c,
621 sandbox.h and sandbox_futils.c. Rewrote the Makefile for most
622 parts; it now have an install target.
623
624 Reformat the whole thing to look somewhat like the reworked sandbox.c
625 and new sandbox.h and sandbox_futils.c from:
626
627 Brad House <brad@mainstreetsoftworks.com>.
628
629 Additional Copyrights now due to the InstallWatch code:
630
631 Copyright (C) 1998-9 Pancrazio `Ezio' de Mauro <p@demauro.net>

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