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Revision 119 - (show annotations) (download)
Sat Jun 11 10:01:11 2005 UTC (9 years, 1 month ago) by azarah
Original Path: trunk/ChangeLog
File size: 24765 byte(s)
Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
in check_syscall().  Should speed things up a bit (at least for the getcwd()
and long path name test it goes down to under a second, and not 10+ seconds
like before).  Also warn if we skip checking due to the canonicalized path
being too long.

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

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