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Revision 174 - (show annotations) (download)
Mon Nov 28 10:13:15 2005 UTC (8 years, 9 months ago) by azarah
Original Path: trunk/ChangeLog
File size: 29519 byte(s)
Rather check SANDBOX_ACTIVE if we are already running. Set SANDBOX_ACTIVE
to readonly in sandbox.bashrc.

1 # ChangeLog for Path Sandbox
2 # Copyright 1999-2005 Gentoo Foundation; Distributed under the GPL v2
3 # $Header$
4
5 28 Nov 2005 Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
6 sandbox.c, sandbox.h, sandbox.bashrc:
7
8 Check generic getcwd()'s return as well for validity, bug #101728.
9
10 Cleanup environ variables.
11
12 Rather check SANDBOX_ACTIVE if we are already running. Set SANDBOX_ACTIVE
13 to readonly in sandbox.bashrc.
14
15 01 Nov 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
16
17 Do not pass mode to true_open and true_open64 if not needed. Should fix a
18 segfault in some cases.
19
20 * sandbox-1.2.13 (2005/09/12)
21
22 12 Sep 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, libsandbox.c:
23
24 Do not handle adding working directory to SANDBOX_WRITE, as portage does it
25 itself.
26
27 Make libsb_fini() do cleanup a bit more complete just in case we get another
28 uClibc 'call preloaded library fini before that of app' issue ... probably
29 will not help much, but we try.
30
31 04 Sep 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
32
33 Also allow symlink() system call to operate on a symlink in a writable path
34 that points to non-writable path, bug #104711.
35
36 * sandbox-1.2.12 (2005/08/05)
37
38 05 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
39 sandbox.h:
40
41 Do not give an access violation if the access() system call do not have
42 write/read access - it does not actually modify, so we only need to return
43 not being able to write/read. Noted by Andres Loeh <kosmikus@gentoo.org>,
44 bug #101433.
45
46 If we are called from the command line, do not care about PORTAGE_TMPDIR,
47 and make the current directory the work directory. Also rename the variable
48 portage_tmp_dir to work_dir.
49
50 Remove the tmp_dir variable - we do not need it.
51
52 Improve error handling for get_sandbox_*_envvar() functions.
53
54 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
55
56 Still do normal log if debugging is requested.
57
58 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
59 to only enable if equal to "1" or "yes".
60
61 Add /dev/tts to write permit, bug #42809.
62
63 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
64 sandbox_futils.c:
65
66 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
67 in libsandbox .. bug #100309.
68
69 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
70
71 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
72
73 * sandbox-1.2.11 (2005/07/14)
74
75 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
76 Fix getcwd, bug #98419.
77
78 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
79 libsandbox.c:
80 - Try to cleanup and make error handling/printing consistent.
81 - Remove old logs if present and conflicting with current.
82 - Fix compile error with previous change, and return rather then exit().
83
84 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
85 sandbox.h, sandbox_futils.c:
86 - Fix possible segfault in env init code.
87 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
88 write to /var/log/sandbox/, so in theory do not need all that.
89 - Redo the interface of the get_* functions so that we do not leak memory.
90 - Remove sandbox_dir and co - we are not using it anymore.
91 - Remove unused includes and variables.
92 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
93 OUTSIDE_LIBSANDBOX is not defined.
94 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
95 printing's last line not honouring NOCOLOR.
96
97 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
98 libsandbox.c:
99 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
100 write to it.
101 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
102 - Add check_prefixes() with major cleanup on check_access().
103 - Cleanup init_env_entries() and check_prefixes().
104
105 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
106 sandbox_futils.c, libsandbox.c:
107 Remove unused 'pids file' code.
108
109 * sandbox-1.2.10 (2005/07/03)
110
111 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
112 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
113
114 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
115 General cleanups:
116 - Remove fooling around with exit codes - we error out on presence of a log
117 anyhow.
118 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
119 appropriate there.
120
121 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
122 Cleanup the fail_nametoolong stuff a bit more.
123
124 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
125 Remove hopefully the last ld.so.preload bits we do not use anymore.
126
127 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
128 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
129 in check_syscall(). Should speed things up a bit (at least for the getcwd()
130 and long path name test it goes down to under a second, and not 10+ seconds
131 like before). Also warn if we skip checking due to the canonicalized path
132 being too long.
133
134 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
135 More comment/readability cleanups.
136
137 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
138 sandbox_futils.c, libsandbox.c:
139 Some strncpy/strncat and other cleanups.
140
141 * sandbox-1.2.9 (2005/06/09)
142
143 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
144 Move symlink hack down a bit to try and minimize on the amount of lstat()
145 calls we do.
146
147 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
148 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
149
150 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
151 Add wrapper for access() function, bug #85413.
152
153 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
154 Use generic getcwd() implementation from uclibc - should be more portable
155 and looks a bit cleaner.
156
157 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
158 Make sure our true_* pointers are initialized to NULL, and that we check for
159 all references that they are valid.
160
161 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
162 Be default we will fail if the path name we try to canonicalize is too long.
163 This however could cause issues with some things (bug #94630 and #21766), so
164 if fail_nametoolong == 0, canonicalize() will return a null length string and
165 do not fail.
166
167 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
168 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
169 make sure we re-export the new TMPDIR environment variable.
170
171 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
172 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
173 by Marcus D. Hanwell <cryos@gentoo.org>.
174
175 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
176 Add /dev/console to write list, bug #38588.
177
178 * sandbox-1.2.8 (2005/05/13)
179
180 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
181 sandbox.h, sandbox_futils.c:
182 General cleanups.
183
184 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
185 sandbox.h:
186 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
187
188 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
189 sandbox.h, sandbox_futils.c:
190 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
191 to use TMPDIR if present in environment.
192
193 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
194 Remove sandbox_log_file from main() as its no longer used.
195
196 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
197 sandbox_futils.c:
198 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
199 if already exported when sandbox started). Fix get_sandbox_log() and new
200 get_sandbox_debug_log() to not use already exported environment variables if
201 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
202 SB_PATH_MAX fixes.
203
204 * sandbox-1.2.7 (2005/05/12)
205
206 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
207 sandbox_futils.c:
208 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
209
210 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
211 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
212 with '(null)' in it if we did not call sandbox with absolute path.
213
214 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
215 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
216 for the child.
217
218 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
219 Remove global preload_adaptable as it is no longer used.
220
221 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
222 Rewrite environment stuff to only be set when execve'ing the child process
223 to try and avoid issues like bug #91541 that causes sandbox to crash if
224 we set LD_PRELOAD sandbox side already.
225
226 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
227 Move print_sandbox_log() up to make things neater.
228
229 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
230 Remove load_preload_libs(), as its not used anymore.
231
232 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
233 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
234
235 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
236 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
237
238 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
239 Remove ld.so.preload crap - we are not going to use it again.
240
241 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
242 Fix typo in code that checks if we got valid group information, causing a
243 segmentation fault, bug #91637.
244
245 * sandbox-1.2.6 (2005/05/10)
246
247 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
248 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
249 for some odd reason, bug #91541.
250
251 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
252 Fix typo (sizeof -> strlen).
253
254 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
255 rewrote the sbcontext caching code so it accounts for env changes since lib
256 initialization.
257
258 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
259 We create libctest.c via configure, so no need to keep it around. Do some
260 cleanup related to libctest.c and libctest during configure.
261
262 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
263 Add rename support of symlinks pointing to protected files/directories.
264
265 * sandbox-1.2.5 (2005/05/04)
266
267 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
268 sandbox.bashrc:
269 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
270 already set, init of the env vars fails for some reason, so do this later on,
271 and do not warn (bug #91431).
272
273 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
274 sandbox.bashrc:
275 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
276
277 * sandbox-1.2.4 (2005/05/03)
278
279 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
280 Do not init the env entries with each call, as it creates too many calls to
281 lstat, etc. Should speedup things a bit, bug #91040.
282
283 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
284 Add /dev/pty to default write list. Noticed by Morfic.
285
286 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
287 sandbox.h:
288 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
289 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
290
291 * sandbox-1.2.3 (2005/04/29)
292
293 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
294 Do not check for (*&#$(* CXX or F77.
295
296 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
297 Do not append '/' to pathname in filter_path() if it already ends with it.
298
299 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
300 With az's help, clean up autotools to work with cross-compiling.
301
302 * sandbox-1.2.2 (2005/04/28)
303
304 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
305 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
306 have issues; bug #90592.
307
308 * sandbox-1.2.1 (2005/04/23)
309
310 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
311 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
312 Make sure all functions used in libsandbox.c is declared static. Define
313 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
314 linking with its object. Hopefully this will fix bug #90153.
315
316 * sandbox-1.2 (2005/04/23)
317
318 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
319 Allow lchown a symlink in write-allowed path pointing to write-denied
320 target.
321
322 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
323 Also show resolved symlink names in the log.
324
325 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
326 Seems -nostdlib was the problem with the constructor/destructor - remove it
327 from Makefile.am, and change the constructor/destructor names again.
328
329 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
330 Also rename the _init() and _fini() declarations.
331
332 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
333 Fixup the constructor/destructor function names again (they should be _init()
334 and _fini() it seems, and not being called caused sandbox_lib_path to be
335 unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
336 Add both the path in given SANDBOX_x variable, as well as its symlink
337 resolved path in init_env_entries(). Modify filter_path() to be able to
338 resolve paths without resolving symlinks, as well as to be able to resolve
339 symlinks. Fix a possible segfault in check_access(). Add symlink resolving
340 to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
341 for bug #31019 cause access violations if we try to remove a symlink that is
342 not in protected path, but points to a protected path. Fix a memory leak in
343 sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
344 (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
345 (pid_string was uninitialized). General syntax cleanups.
346
347 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
348 infamous "pids file is not a regular file" w/out newline bug.
349
350 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
351 Correct libc_version path detection, since it was screwing up if libdir !=
352 "/lib/".
353
354 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
355 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
356
357 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
358 Fix symbols.in not added to dist.
359
360 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
361 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
362 White space fixes.
363
364 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
365 configure.in, getcwd.c, libsandbox.c, symbols.in:
366 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
367 getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
368 for glibc and other libc's that use this. Update libsandbox.c to use these
369 symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
370 process unset it.
371
372 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
373 killed off _init and _fini in favor of
374 void __attribute__ ((constructor)) init_func and
375 void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
376
377 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
378 canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
379 having the hick-ups.
380
381 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
382 Makefile.am: Fixed compilation.
383
384 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
385 Gutted the bugger so it stops checking for a c++ and fortran compiler.
386 Do *not* regenerate aclocal.m4 for making a release until a better
387 solution is created.
388
389 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, sandbox_futils.c:
390 Removal of more hardcoded paths.
391
392 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in,
393 sandbox_futils.c: tweaks to install sandbox.bashrc, and use it.
394
395 19 Nov 2004; Brian Harring <ferringb@gentoo.org>:
396 Sandbox is now autotooled, create-localdecls needs to be killed and the code
397 shifted into configure.in. Currently builds *one* libsandbox.so- if multiple
398 are desired (-m64 and -m32 for amd64), the ebuild should do it (imo).
399 To get to a point of testing, automake && autoconf; created requisite files w/
400 a(utomake|clocal)-1.8, and autoconf 2.59. Installs to /usr/, instead of
401 /lib and /usr/lib/portage/bin.
402
403 14 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox.c:
404 closing out bug #70225, potential overflow of the sandbox_pids_file var.
405
406 07 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c: c99 standard,
407 (think it was at least) allows intermixing of code and data segments. bug #70351
408 should be fixed by this.
409
410 03 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox_futils.c:
411 futils fix from bug #65201 via solar, and libsandbox log path checks via #69137
412
413 02 Aug 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Code from
414 Seth Robertson that tracked down all adjuct flags for read operations that
415 do not invoke a write operation.
416
417 04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
418 Another fix from jstubbs regarding a free() on a stack variable for the
419 environment -- tracking now prevents extraneous free()'s segfault.
420
421 04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
422 J. Stubbs tracked down a new bug where mkdir was failing to the patch on
423 the lstat in mkdir... it now only returns 0 or -1 as documented for mkdir.
424 Also remove the errno = ESUCCESS settings as documentation points out that
425 a library isn't allowed to do that.
426
427 04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Added a
428 file_security_check() function to check random potential exploits on files
429 that sandbox is to load and read -- Normally sandboxpids.tmp. This fixes
430 the 'system-crippling' exploits (bug 21923) and catches a few other
431 potential problems.
432
433 20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> Makefile: Updates for
434 32/64 bit sandbox. Made CC and LD '?=' values to allow passed in CC to work.
435
436 20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c:
437 bug 42048 -- Fixed the lstat/errno conditions for mkdir <caleb@g.o>.
438 Added the 64/32 bit sandbox patch for AMD64 bug 32963 <brad/azarah>.
439
440 29 Feb 2004; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c :
441 Fix permissions and group of pids file and logs. Permissions should be 0664
442 and group should be 'portage'. Bug #34260.
443
444 28 Feb 2004; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
445 Besides a small cleanup, redo how we replace LD_PRELOAD in the environ passed
446 to the real execve (in our execve wrapper). Seems that on some arches (sparc
447 among others) do not allow us to tamper with the readonly copy passed to
448 execve, so pass our own copy of the environment. Bug #42290.
449
450 11 Jan 2004; Nicholas Jones <carpaski@gentoo.org> create-decls:
451 Changed tail to head and added a notice about duration of glibc check.
452
453 21 Dec 2003; Nicholas Jones <carpaski@gentoo.org> create-decls:
454 Changed the glibc subversion check to use /usr/bin/* instead of /bin/sh
455 as there isn't a guarentee that it is dynamic.
456
457 02 Nov 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
458 If 'file' passed to before_syscall(const char *func, const char *file) is
459 invalid, we should set errno to ENOENT, and not EINVAL. This should
460 close bug #32238.
461
462 14 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
463 Fix a bug that occurs mainly on 64bit arch, where the file passed to
464 the functions we wrap, is invalid, and then cause canonicalize to pass
465 garbage to before_syscall(), thanks to great detective work from
466 Andrea Luzzardi <al@sig11.org> (bug #29846).
467
468 13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
469 Add a uClibc detection patch from Peter S. Mazinger <ps.m@gmx.net>.
470
471 13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
472 Fix a bug in libsandbox.c 's checking in the rename wrapper - it basically
473 only checked the destination patch, and not the source, so we could move
474 a protected file to a unprotected directory, and then delete/modify it.
475 Thanks to Andrea Luzzardi (scox) <al@sig11.org>, bug #30992, for this fix.
476
477 12 Oct 2003; Nicholas Jones <carpaski@gentoo.org> sandbox.c :
478 Added python2.3 to the predict section/variable.
479
480 28 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
481 sandbox.h, sandbox_futils.c :
482 Add support to set the pids file via SANDBOX_PIDS_FILE at startup. If
483 it is not set, it will revert to its old value.
484
485 27 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
486 Fix our mkdir wrapper to check if the dir exist, and return EEXIST if so,
487 rather than failing with a violation, bug #29748.
488
489 27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
490 Fix canonicalize() to ignore calls with path = "".
491
492 27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
493 sandbox_futils.c, canonicalize.c :
494 Once again coreutils fails, as my systems had 2.5 kernel, the getcwd system
495 call handled strings larger than PATH_MAX (bug #21766). It however does not
496 work the same on 2.4 kernels.
497
498 To fix, I added the posix implementation of getcwd() (from glibc cvs) that
499 do not need the system call. We use the default getcwd() function via a
500 wrapper (egetcwd), and then lstat the returned path. If lstat fails, it
501 means the current directory was removed, OR that the the system call for
502 getcwd failed (curious is that it do not fail and return NULL or set
503 errno, but rather just truncate the retured directory - usually from the
504 start), and if so, we use the generic getcwd() function (__egetcwd). Note
505 that we do not use the generic version all the time, as it calls lstat()
506 a great number of times, and performance degrade much.
507
508 29 Jun 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls,
509 libsandbox.c :
510 Make sure SB_PATH_MAX will not wrap. Fix two possible memory leaks.
511
512 22 Jun 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, canonicalize.c
513 create-localdecls :
514 When checking path names of files accessed, we need to canonicalize it, else
515 it may be a symlink in a 'write allowed' directory pointing to a file in a
516 directory we should not have write access to.
517
518 With something like coreutils-5.0, we have two problems:
519 1) One of the tests checks if getcwd() can return a path longer than
520 PATH_MAX. This test then tries to create a dir which even while
521 created local (mkdir("conftest2")), it ends up being resolved with
522 a name that is much larger than PATH_MAX. The problem now is that
523 canonicalize() have undefined behaviour when the path was too long
524 (returned wrongly truncated paths, etc), and pass the wrong path to
525 before_syscall() (causing the bogus sandbox violations).
526 2) The ecanonicalize() function we used, along with the canonicalize()
527 function did not support longer than PATH_MAX. This is partly a
528 cause for 1), but the error checking (rather lack of it) of calls
529 to erealpath() in canonicalize() was the prime reason for 1).
530
531 As we do not use this canonicalized name to call the function, we resolve this
532 by fixing canonicalize() to do better error checking, and ecanonicalize() as
533 well as all functions in libsandbox.c to use a PATH_MAX of 'PATH_MAX * 2'.
534 While they will resolve paths properly now, and can check if a write/read is
535 allowed, the functions called from the sandboxed environment will still work
536 as expected.
537
538 This should resolve bug #21766.
539
540 06 Apr 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
541 For some reason sandbox fails with a 'open_wr' if you run 'locale -a' under
542 it (bug #16298).
543
544 Problem is that for some reason locale fopen's locale.alias with mode "rm".
545
546 -------------------------------------------------------
547 nosferatu root # grep fopen locale.log
548 fopen("/usr/share/locale/locale.alias", "rm"ACCESS DENIED open_wr: /usr/share/locale/locale.alias
549 nosferatu root #
550 --------------------------------------------------------
551
552 I checked the source of locale, but it have fopen with mode 'r', so
553 not sure where the "rm" mode comes from. Anyhow, changed the check in
554 before_syscall_open_char() to also see mode "rm" as readonly.
555
556 23 Feb 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
557
558 Add glibc-2.3 support.
559
560 22 Feb 2003; Martin Schlemmer <azarah@gentoo.org> sandbox.c :
561
562 Some /etc/ld.so.preload fixes. Just changed the #if defines to cover all
563 operations releated to preload, as well as only try to modify ld.so.preload
564 if we can. Also modify to write the pid to /tmp/sandboxpids.tmp even when
565 not using ld.so.preload. Fix to not write this instance of sandbox's pid
566 to /tmp/sandboxpids.tmp on exit if this is not the last sandbox running.
567
568 22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> Makefile :
569
570 Changed the LD to CC for hppa.
571
572 22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
573
574 Killed the previous changes I made.
575
576 17 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
577
578 Added parisc to BROKEN_RTLD_ARCHLIST to see if it we can fix the relocation probs.
579
580 09 Jan 2003; J Robert Ray <jrray@gentoo.org> sandbox.c :
581
582 Don't segfault if $HOME isn't set, set $HOME to "/" instead. Fixes bug 10868.
583
584 16 Dec 2002; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
585
586 Fix memory leak for mips, bug #12236. Thanks to Torgeir Hansen <torgeir@trenger.ro>
587 for this fix.
588
589 4 Dec 2002; J Robert Ray <jrray@gentoo.org> sandbox.h sandbox_futils.c :
590
591 sandbox_futils defined a dirname() function that was masking the same
592 function in glibc and was broken (e.g.: SANDBOX_DIR was being set to
593 '/usr/lib/portage/bi/'). Fixed function to return expected results and
594 renamed it to sb_dirname() to no longer mask the glibc function. Closes bug
595 11231.
596
597 4 Dec 2002; Martin Schlemmer <azarah@gentoo.org> :
598
599 Fix a segfault in libsandbox.c if canonicalize() was called with
600 first parameter = NULL.
601
602 1 Sep 2002; Martin Schlemmer <azarah@gentoo.org> :
603
604 Fix my braindead 'return 1;' in a void function. Updated sandbox.c,
605 cleanup() for this.
606
607 Change cleanup() in sandbox.c not to exit with fail status if
608 the pidsfile is missing. We really should still display sandbox
609 violations if they occured.
610
611 31 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
612
613 Update cleanup() in sandbox.c to remove the PIDSFILE if this is
614 the last sandbox running.
615
616 25 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
617
618 Major cleanups to mainly libsandbox.c again.
619
620 22 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
621
622 Add copyrights to sandbox.h and sandbox_futils.h. If wrong, the
623 parties involved should please contact me so that we can fix it.
624
625 Add opendir wrapper to libsandbox.c.
626
627 21 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
628
629 Do some more cleanups to ecanonicalize(), as it dropped filenames in
630 rare cases (after my symlink cleanups), and caused glibc to bork.
631 These fixes went into canonicalize.c.
632
633 20 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
634
635 Fix spawn_shell() and main() in sandbox.c to properly return fail
636 status.
637
638 19 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
639
640 The new canonicalize() function in libsandbox.c also resolved symlinks,
641 which caused on cleaning sandbox errors if the symlink pointed to a
642 file in the live root. Ripped out canonicalize() and realpath() from
643 glibc; removed the symlink stuff, and changed them to ecanonicalize()
644 and erealpath().
645
646 18 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
647
648 Ripped out all the wrappers, and implemented those of InstallWatch.
649 Losts of cleanups and bugfixes. Implement a execve that forces
650 $LIBSANDBOX in $LD_PRELOAD. We can now thus do away with the feared
651 /etc/ld.so.preload (*g*) ... Made the needed changes to sandbox.c,
652 sandbox.h and sandbox_futils.c. Rewrote the Makefile for most
653 parts; it now have an install target.
654
655 Reformat the whole thing to look somewhat like the reworked sandbox.c
656 and new sandbox.h and sandbox_futils.c from:
657
658 Brad House <brad@mainstreetsoftworks.com>.
659
660 Additional Copyrights now due to the InstallWatch code:
661
662 Copyright (C) 1998-9 Pancrazio `Ezio' de Mauro <p@demauro.net>

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