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Revision 165 - (show annotations) (download)
Mon Sep 12 06:44:52 2005 UTC (8 years, 7 months ago) by azarah
File size: 28786 byte(s)
Do not handle adding working directory to SANDBOX_WRITE, as portage does it itself.
1 # ChangeLog for Path Sandbox
2 # Copyright 1999-2005 Gentoo Foundation; Distributed under the GPL v2
3 # $Header$
4
5 12 Sep 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
6
7 Do not handle adding working directory to SANDBOX_WRITE, as portage does it
8 itself.
9
10 04 Sep 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
11
12 Also allow symlink() system call to operate on a symlink in a writable path
13 that points to non-writable path, bug #104711.
14
15 * sandbox-1.2.12 (2005/08/05)
16
17 05 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
18 sandbox.h:
19
20 Do not give an access violation if the access() system call do not have
21 write/read access - it does not actually modify, so we only need to return
22 not being able to write/read. Noted by Andres Loeh <kosmikus@gentoo.org>,
23 bug #101433.
24
25 If we are called from the command line, do not care about PORTAGE_TMPDIR,
26 and make the current directory the work directory. Also rename the variable
27 portage_tmp_dir to work_dir.
28
29 Remove the tmp_dir variable - we do not need it.
30
31 Improve error handling for get_sandbox_*_envvar() functions.
32
33 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
34
35 Still do normal log if debugging is requested.
36
37 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
38 to only enable if equal to "1" or "yes".
39
40 Add /dev/tts to write permit, bug #42809.
41
42 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
43 sandbox_futils.c:
44
45 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
46 in libsandbox .. bug #100309.
47
48 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
49
50 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
51
52 * sandbox-1.2.11 (2005/07/14)
53
54 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
55 Fix getcwd, bug #98419.
56
57 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
58 libsandbox.c:
59 - Try to cleanup and make error handling/printing consistent.
60 - Remove old logs if present and conflicting with current.
61 - Fix compile error with previous change, and return rather then exit().
62
63 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
64 sandbox.h, sandbox_futils.c:
65 - Fix possible segfault in env init code.
66 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
67 write to /var/log/sandbox/, so in theory do not need all that.
68 - Redo the interface of the get_* functions so that we do not leak memory.
69 - Remove sandbox_dir and co - we are not using it anymore.
70 - Remove unused includes and variables.
71 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
72 OUTSIDE_LIBSANDBOX is not defined.
73 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
74 printing's last line not honouring NOCOLOR.
75
76 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
77 libsandbox.c:
78 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
79 write to it.
80 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
81 - Add check_prefixes() with major cleanup on check_access().
82 - Cleanup init_env_entries() and check_prefixes().
83
84 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
85 sandbox_futils.c, libsandbox.c:
86 Remove unused 'pids file' code.
87
88 * sandbox-1.2.10 (2005/07/03)
89
90 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
91 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
92
93 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
94 General cleanups:
95 - Remove fooling around with exit codes - we error out on presence of a log
96 anyhow.
97 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
98 appropriate there.
99
100 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
101 Cleanup the fail_nametoolong stuff a bit more.
102
103 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
104 Remove hopefully the last ld.so.preload bits we do not use anymore.
105
106 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
107 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
108 in check_syscall(). Should speed things up a bit (at least for the getcwd()
109 and long path name test it goes down to under a second, and not 10+ seconds
110 like before). Also warn if we skip checking due to the canonicalized path
111 being too long.
112
113 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
114 More comment/readability cleanups.
115
116 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
117 sandbox_futils.c, libsandbox.c:
118 Some strncpy/strncat and other cleanups.
119
120 * sandbox-1.2.9 (2005/06/09)
121
122 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
123 Move symlink hack down a bit to try and minimize on the amount of lstat()
124 calls we do.
125
126 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
127 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
128
129 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
130 Add wrapper for access() function, bug #85413.
131
132 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
133 Use generic getcwd() implementation from uclibc - should be more portable
134 and looks a bit cleaner.
135
136 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
137 Make sure our true_* pointers are initialized to NULL, and that we check for
138 all references that they are valid.
139
140 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
141 Be default we will fail if the path name we try to canonicalize is too long.
142 This however could cause issues with some things (bug #94630 and #21766), so
143 if fail_nametoolong == 0, canonicalize() will return a null length string and
144 do not fail.
145
146 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
147 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
148 make sure we re-export the new TMPDIR environment variable.
149
150 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
151 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
152 by Marcus D. Hanwell <cryos@gentoo.org>.
153
154 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
155 Add /dev/console to write list, bug #38588.
156
157 * sandbox-1.2.8 (2005/05/13)
158
159 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
160 sandbox.h, sandbox_futils.c:
161 General cleanups.
162
163 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
164 sandbox.h:
165 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
166
167 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
168 sandbox.h, sandbox_futils.c:
169 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
170 to use TMPDIR if present in environment.
171
172 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
173 Remove sandbox_log_file from main() as its no longer used.
174
175 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
176 sandbox_futils.c:
177 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
178 if already exported when sandbox started). Fix get_sandbox_log() and new
179 get_sandbox_debug_log() to not use already exported environment variables if
180 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
181 SB_PATH_MAX fixes.
182
183 * sandbox-1.2.7 (2005/05/12)
184
185 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
186 sandbox_futils.c:
187 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
188
189 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
190 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
191 with '(null)' in it if we did not call sandbox with absolute path.
192
193 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
194 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
195 for the child.
196
197 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
198 Remove global preload_adaptable as it is no longer used.
199
200 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
201 Rewrite environment stuff to only be set when execve'ing the child process
202 to try and avoid issues like bug #91541 that causes sandbox to crash if
203 we set LD_PRELOAD sandbox side already.
204
205 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
206 Move print_sandbox_log() up to make things neater.
207
208 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
209 Remove load_preload_libs(), as its not used anymore.
210
211 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
212 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
213
214 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
215 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
216
217 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
218 Remove ld.so.preload crap - we are not going to use it again.
219
220 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
221 Fix typo in code that checks if we got valid group information, causing a
222 segmentation fault, bug #91637.
223
224 * sandbox-1.2.6 (2005/05/10)
225
226 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
227 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
228 for some odd reason, bug #91541.
229
230 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
231 Fix typo (sizeof -> strlen).
232
233 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
234 rewrote the sbcontext caching code so it accounts for env changes since lib
235 initialization.
236
237 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
238 We create libctest.c via configure, so no need to keep it around. Do some
239 cleanup related to libctest.c and libctest during configure.
240
241 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
242 Add rename support of symlinks pointing to protected files/directories.
243
244 * sandbox-1.2.5 (2005/05/04)
245
246 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
247 sandbox.bashrc:
248 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
249 already set, init of the env vars fails for some reason, so do this later on,
250 and do not warn (bug #91431).
251
252 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
253 sandbox.bashrc:
254 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
255
256 * sandbox-1.2.4 (2005/05/03)
257
258 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
259 Do not init the env entries with each call, as it creates too many calls to
260 lstat, etc. Should speedup things a bit, bug #91040.
261
262 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
263 Add /dev/pty to default write list. Noticed by Morfic.
264
265 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
266 sandbox.h:
267 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
268 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
269
270 * sandbox-1.2.3 (2005/04/29)
271
272 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
273 Do not check for (*&#$(* CXX or F77.
274
275 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
276 Do not append '/' to pathname in filter_path() if it already ends with it.
277
278 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
279 With az's help, clean up autotools to work with cross-compiling.
280
281 * sandbox-1.2.2 (2005/04/28)
282
283 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
284 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
285 have issues; bug #90592.
286
287 * sandbox-1.2.1 (2005/04/23)
288
289 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
290 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
291 Make sure all functions used in libsandbox.c is declared static. Define
292 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
293 linking with its object. Hopefully this will fix bug #90153.
294
295 * sandbox-1.2 (2005/04/23)
296
297 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
298 Allow lchown a symlink in write-allowed path pointing to write-denied
299 target.
300
301 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
302 Also show resolved symlink names in the log.
303
304 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
305 Seems -nostdlib was the problem with the constructor/destructor - remove it
306 from Makefile.am, and change the constructor/destructor names again.
307
308 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
309 Also rename the _init() and _fini() declarations.
310
311 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
312 Fixup the constructor/destructor function names again (they should be _init()
313 and _fini() it seems, and not being called caused sandbox_lib_path to be
314 unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
315 Add both the path in given SANDBOX_x variable, as well as its symlink
316 resolved path in init_env_entries(). Modify filter_path() to be able to
317 resolve paths without resolving symlinks, as well as to be able to resolve
318 symlinks. Fix a possible segfault in check_access(). Add symlink resolving
319 to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
320 for bug #31019 cause access violations if we try to remove a symlink that is
321 not in protected path, but points to a protected path. Fix a memory leak in
322 sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
323 (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
324 (pid_string was uninitialized). General syntax cleanups.
325
326 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
327 infamous "pids file is not a regular file" w/out newline bug.
328
329 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
330 Correct libc_version path detection, since it was screwing up if libdir !=
331 "/lib/".
332
333 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
334 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
335
336 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
337 Fix symbols.in not added to dist.
338
339 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
340 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
341 White space fixes.
342
343 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
344 configure.in, getcwd.c, libsandbox.c, symbols.in:
345 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
346 getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
347 for glibc and other libc's that use this. Update libsandbox.c to use these
348 symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
349 process unset it.
350
351 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
352 killed off _init and _fini in favor of
353 void __attribute__ ((constructor)) init_func and
354 void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
355
356 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
357 canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
358 having the hick-ups.
359
360 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
361 Makefile.am: Fixed compilation.
362
363 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
364 Gutted the bugger so it stops checking for a c++ and fortran compiler.
365 Do *not* regenerate aclocal.m4 for making a release until a better
366 solution is created.
367
368 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, sandbox_futils.c:
369 Removal of more hardcoded paths.
370
371 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in,
372 sandbox_futils.c: tweaks to install sandbox.bashrc, and use it.
373
374 19 Nov 2004; Brian Harring <ferringb@gentoo.org>:
375 Sandbox is now autotooled, create-localdecls needs to be killed and the code
376 shifted into configure.in. Currently builds *one* libsandbox.so- if multiple
377 are desired (-m64 and -m32 for amd64), the ebuild should do it (imo).
378 To get to a point of testing, automake && autoconf; created requisite files w/
379 a(utomake|clocal)-1.8, and autoconf 2.59. Installs to /usr/, instead of
380 /lib and /usr/lib/portage/bin.
381
382 14 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox.c:
383 closing out bug #70225, potential overflow of the sandbox_pids_file var.
384
385 07 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c: c99 standard,
386 (think it was at least) allows intermixing of code and data segments. bug #70351
387 should be fixed by this.
388
389 03 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox_futils.c:
390 futils fix from bug #65201 via solar, and libsandbox log path checks via #69137
391
392 02 Aug 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Code from
393 Seth Robertson that tracked down all adjuct flags for read operations that
394 do not invoke a write operation.
395
396 04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
397 Another fix from jstubbs regarding a free() on a stack variable for the
398 environment -- tracking now prevents extraneous free()'s segfault.
399
400 04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
401 J. Stubbs tracked down a new bug where mkdir was failing to the patch on
402 the lstat in mkdir... it now only returns 0 or -1 as documented for mkdir.
403 Also remove the errno = ESUCCESS settings as documentation points out that
404 a library isn't allowed to do that.
405
406 04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Added a
407 file_security_check() function to check random potential exploits on files
408 that sandbox is to load and read -- Normally sandboxpids.tmp. This fixes
409 the 'system-crippling' exploits (bug 21923) and catches a few other
410 potential problems.
411
412 20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> Makefile: Updates for
413 32/64 bit sandbox. Made CC and LD '?=' values to allow passed in CC to work.
414
415 20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c:
416 bug 42048 -- Fixed the lstat/errno conditions for mkdir <caleb@g.o>.
417 Added the 64/32 bit sandbox patch for AMD64 bug 32963 <brad/azarah>.
418
419 29 Feb 2004; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c :
420 Fix permissions and group of pids file and logs. Permissions should be 0664
421 and group should be 'portage'. Bug #34260.
422
423 28 Feb 2004; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
424 Besides a small cleanup, redo how we replace LD_PRELOAD in the environ passed
425 to the real execve (in our execve wrapper). Seems that on some arches (sparc
426 among others) do not allow us to tamper with the readonly copy passed to
427 execve, so pass our own copy of the environment. Bug #42290.
428
429 11 Jan 2004; Nicholas Jones <carpaski@gentoo.org> create-decls:
430 Changed tail to head and added a notice about duration of glibc check.
431
432 21 Dec 2003; Nicholas Jones <carpaski@gentoo.org> create-decls:
433 Changed the glibc subversion check to use /usr/bin/* instead of /bin/sh
434 as there isn't a guarentee that it is dynamic.
435
436 02 Nov 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
437 If 'file' passed to before_syscall(const char *func, const char *file) is
438 invalid, we should set errno to ENOENT, and not EINVAL. This should
439 close bug #32238.
440
441 14 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
442 Fix a bug that occurs mainly on 64bit arch, where the file passed to
443 the functions we wrap, is invalid, and then cause canonicalize to pass
444 garbage to before_syscall(), thanks to great detective work from
445 Andrea Luzzardi <al@sig11.org> (bug #29846).
446
447 13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
448 Add a uClibc detection patch from Peter S. Mazinger <ps.m@gmx.net>.
449
450 13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
451 Fix a bug in libsandbox.c 's checking in the rename wrapper - it basically
452 only checked the destination patch, and not the source, so we could move
453 a protected file to a unprotected directory, and then delete/modify it.
454 Thanks to Andrea Luzzardi (scox) <al@sig11.org>, bug #30992, for this fix.
455
456 12 Oct 2003; Nicholas Jones <carpaski@gentoo.org> sandbox.c :
457 Added python2.3 to the predict section/variable.
458
459 28 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
460 sandbox.h, sandbox_futils.c :
461 Add support to set the pids file via SANDBOX_PIDS_FILE at startup. If
462 it is not set, it will revert to its old value.
463
464 27 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
465 Fix our mkdir wrapper to check if the dir exist, and return EEXIST if so,
466 rather than failing with a violation, bug #29748.
467
468 27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
469 Fix canonicalize() to ignore calls with path = "".
470
471 27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
472 sandbox_futils.c, canonicalize.c :
473 Once again coreutils fails, as my systems had 2.5 kernel, the getcwd system
474 call handled strings larger than PATH_MAX (bug #21766). It however does not
475 work the same on 2.4 kernels.
476
477 To fix, I added the posix implementation of getcwd() (from glibc cvs) that
478 do not need the system call. We use the default getcwd() function via a
479 wrapper (egetcwd), and then lstat the returned path. If lstat fails, it
480 means the current directory was removed, OR that the the system call for
481 getcwd failed (curious is that it do not fail and return NULL or set
482 errno, but rather just truncate the retured directory - usually from the
483 start), and if so, we use the generic getcwd() function (__egetcwd). Note
484 that we do not use the generic version all the time, as it calls lstat()
485 a great number of times, and performance degrade much.
486
487 29 Jun 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls,
488 libsandbox.c :
489 Make sure SB_PATH_MAX will not wrap. Fix two possible memory leaks.
490
491 22 Jun 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, canonicalize.c
492 create-localdecls :
493 When checking path names of files accessed, we need to canonicalize it, else
494 it may be a symlink in a 'write allowed' directory pointing to a file in a
495 directory we should not have write access to.
496
497 With something like coreutils-5.0, we have two problems:
498 1) One of the tests checks if getcwd() can return a path longer than
499 PATH_MAX. This test then tries to create a dir which even while
500 created local (mkdir("conftest2")), it ends up being resolved with
501 a name that is much larger than PATH_MAX. The problem now is that
502 canonicalize() have undefined behaviour when the path was too long
503 (returned wrongly truncated paths, etc), and pass the wrong path to
504 before_syscall() (causing the bogus sandbox violations).
505 2) The ecanonicalize() function we used, along with the canonicalize()
506 function did not support longer than PATH_MAX. This is partly a
507 cause for 1), but the error checking (rather lack of it) of calls
508 to erealpath() in canonicalize() was the prime reason for 1).
509
510 As we do not use this canonicalized name to call the function, we resolve this
511 by fixing canonicalize() to do better error checking, and ecanonicalize() as
512 well as all functions in libsandbox.c to use a PATH_MAX of 'PATH_MAX * 2'.
513 While they will resolve paths properly now, and can check if a write/read is
514 allowed, the functions called from the sandboxed environment will still work
515 as expected.
516
517 This should resolve bug #21766.
518
519 06 Apr 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
520 For some reason sandbox fails with a 'open_wr' if you run 'locale -a' under
521 it (bug #16298).
522
523 Problem is that for some reason locale fopen's locale.alias with mode "rm".
524
525 -------------------------------------------------------
526 nosferatu root # grep fopen locale.log
527 fopen("/usr/share/locale/locale.alias", "rm"ACCESS DENIED open_wr: /usr/share/locale/locale.alias
528 nosferatu root #
529 --------------------------------------------------------
530
531 I checked the source of locale, but it have fopen with mode 'r', so
532 not sure where the "rm" mode comes from. Anyhow, changed the check in
533 before_syscall_open_char() to also see mode "rm" as readonly.
534
535 23 Feb 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
536
537 Add glibc-2.3 support.
538
539 22 Feb 2003; Martin Schlemmer <azarah@gentoo.org> sandbox.c :
540
541 Some /etc/ld.so.preload fixes. Just changed the #if defines to cover all
542 operations releated to preload, as well as only try to modify ld.so.preload
543 if we can. Also modify to write the pid to /tmp/sandboxpids.tmp even when
544 not using ld.so.preload. Fix to not write this instance of sandbox's pid
545 to /tmp/sandboxpids.tmp on exit if this is not the last sandbox running.
546
547 22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> Makefile :
548
549 Changed the LD to CC for hppa.
550
551 22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
552
553 Killed the previous changes I made.
554
555 17 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
556
557 Added parisc to BROKEN_RTLD_ARCHLIST to see if it we can fix the relocation probs.
558
559 09 Jan 2003; J Robert Ray <jrray@gentoo.org> sandbox.c :
560
561 Don't segfault if $HOME isn't set, set $HOME to "/" instead. Fixes bug 10868.
562
563 16 Dec 2002; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
564
565 Fix memory leak for mips, bug #12236. Thanks to Torgeir Hansen <torgeir@trenger.ro>
566 for this fix.
567
568 4 Dec 2002; J Robert Ray <jrray@gentoo.org> sandbox.h sandbox_futils.c :
569
570 sandbox_futils defined a dirname() function that was masking the same
571 function in glibc and was broken (e.g.: SANDBOX_DIR was being set to
572 '/usr/lib/portage/bi/'). Fixed function to return expected results and
573 renamed it to sb_dirname() to no longer mask the glibc function. Closes bug
574 11231.
575
576 4 Dec 2002; Martin Schlemmer <azarah@gentoo.org> :
577
578 Fix a segfault in libsandbox.c if canonicalize() was called with
579 first parameter = NULL.
580
581 1 Sep 2002; Martin Schlemmer <azarah@gentoo.org> :
582
583 Fix my braindead 'return 1;' in a void function. Updated sandbox.c,
584 cleanup() for this.
585
586 Change cleanup() in sandbox.c not to exit with fail status if
587 the pidsfile is missing. We really should still display sandbox
588 violations if they occured.
589
590 31 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
591
592 Update cleanup() in sandbox.c to remove the PIDSFILE if this is
593 the last sandbox running.
594
595 25 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
596
597 Major cleanups to mainly libsandbox.c again.
598
599 22 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
600
601 Add copyrights to sandbox.h and sandbox_futils.h. If wrong, the
602 parties involved should please contact me so that we can fix it.
603
604 Add opendir wrapper to libsandbox.c.
605
606 21 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
607
608 Do some more cleanups to ecanonicalize(), as it dropped filenames in
609 rare cases (after my symlink cleanups), and caused glibc to bork.
610 These fixes went into canonicalize.c.
611
612 20 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
613
614 Fix spawn_shell() and main() in sandbox.c to properly return fail
615 status.
616
617 19 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
618
619 The new canonicalize() function in libsandbox.c also resolved symlinks,
620 which caused on cleaning sandbox errors if the symlink pointed to a
621 file in the live root. Ripped out canonicalize() and realpath() from
622 glibc; removed the symlink stuff, and changed them to ecanonicalize()
623 and erealpath().
624
625 18 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
626
627 Ripped out all the wrappers, and implemented those of InstallWatch.
628 Losts of cleanups and bugfixes. Implement a execve that forces
629 $LIBSANDBOX in $LD_PRELOAD. We can now thus do away with the feared
630 /etc/ld.so.preload (*g*) ... Made the needed changes to sandbox.c,
631 sandbox.h and sandbox_futils.c. Rewrote the Makefile for most
632 parts; it now have an install target.
633
634 Reformat the whole thing to look somewhat like the reworked sandbox.c
635 and new sandbox.h and sandbox_futils.c from:
636
637 Brad House <brad@mainstreetsoftworks.com>.
638
639 Additional Copyrights now due to the InstallWatch code:
640
641 Copyright (C) 1998-9 Pancrazio `Ezio' de Mauro <p@demauro.net>

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