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1# ChangeLog for Path Sandbox 1# ChangeLog for Path Sandbox
2# Copyright 1999-2004 Gentoo Foundation; Distributed under the GPL v2 2# Copyright 1999-2005 Gentoo Foundation; Distributed under the GPL v2
3# $Header$ 3# $Header$
4
5 04 Sep 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
6
7 Also allow symlink() system call to operate on a symlink in a writable path
8 that points to non-writable path, bug #104711.
9
10* sandbox-1.2.12 (2005/08/05)
11
12 05 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
13 sandbox.h:
14
15 Do not give an access violation if the access() system call do not have
16 write/read access - it does not actually modify, so we only need to return
17 not being able to write/read. Noted by Andres Loeh <kosmikus@gentoo.org>,
18 bug #101433.
19
20 If we are called from the command line, do not care about PORTAGE_TMPDIR,
21 and make the current directory the work directory. Also rename the variable
22 portage_tmp_dir to work_dir.
23
24 Remove the tmp_dir variable - we do not need it.
25
26 Improve error handling for get_sandbox_*_envvar() functions.
27
28 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
29
30 Still do normal log if debugging is requested.
31
32 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
33 to only enable if equal to "1" or "yes".
34
35 Add /dev/tts to write permit, bug #42809.
36
37 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
38 sandbox_futils.c:
39
40 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
41 in libsandbox .. bug #100309.
42
43 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
44
45 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
46
47* sandbox-1.2.11 (2005/07/14)
48
49 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
50 Fix getcwd, bug #98419.
51
52 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
53 libsandbox.c:
54 - Try to cleanup and make error handling/printing consistent.
55 - Remove old logs if present and conflicting with current.
56 - Fix compile error with previous change, and return rather then exit().
57
58 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
59 sandbox.h, sandbox_futils.c:
60 - Fix possible segfault in env init code.
61 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
62 write to /var/log/sandbox/, so in theory do not need all that.
63 - Redo the interface of the get_* functions so that we do not leak memory.
64 - Remove sandbox_dir and co - we are not using it anymore.
65 - Remove unused includes and variables.
66 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
67 OUTSIDE_LIBSANDBOX is not defined.
68 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
69 printing's last line not honouring NOCOLOR.
70
71 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
72 libsandbox.c:
73 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
74 write to it.
75 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
76 - Add check_prefixes() with major cleanup on check_access().
77 - Cleanup init_env_entries() and check_prefixes().
78
79 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
80 sandbox_futils.c, libsandbox.c:
81 Remove unused 'pids file' code.
82
83* sandbox-1.2.10 (2005/07/03)
84
85 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
86 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
87
88 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
89 General cleanups:
90 - Remove fooling around with exit codes - we error out on presence of a log
91 anyhow.
92 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
93 appropriate there.
94
95 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
96 Cleanup the fail_nametoolong stuff a bit more.
97
98 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
99 Remove hopefully the last ld.so.preload bits we do not use anymore.
100
101 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
102 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
103 in check_syscall(). Should speed things up a bit (at least for the getcwd()
104 and long path name test it goes down to under a second, and not 10+ seconds
105 like before). Also warn if we skip checking due to the canonicalized path
106 being too long.
107
108 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
109 More comment/readability cleanups.
110
111 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
112 sandbox_futils.c, libsandbox.c:
113 Some strncpy/strncat and other cleanups.
114
115* sandbox-1.2.9 (2005/06/09)
116
117 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
118 Move symlink hack down a bit to try and minimize on the amount of lstat()
119 calls we do.
120
121 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
122 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
123
124 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
125 Add wrapper for access() function, bug #85413.
126
127 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
128 Use generic getcwd() implementation from uclibc - should be more portable
129 and looks a bit cleaner.
130
131 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
132 Make sure our true_* pointers are initialized to NULL, and that we check for
133 all references that they are valid.
134
135 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
136 Be default we will fail if the path name we try to canonicalize is too long.
137 This however could cause issues with some things (bug #94630 and #21766), so
138 if fail_nametoolong == 0, canonicalize() will return a null length string and
139 do not fail.
140
141 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
142 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
143 make sure we re-export the new TMPDIR environment variable.
144
145 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
146 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
147 by Marcus D. Hanwell <cryos@gentoo.org>.
148
149 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
150 Add /dev/console to write list, bug #38588.
151
152* sandbox-1.2.8 (2005/05/13)
153
154 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
155 sandbox.h, sandbox_futils.c:
156 General cleanups.
157
158 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
159 sandbox.h:
160 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
161
162 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
163 sandbox.h, sandbox_futils.c:
164 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
165 to use TMPDIR if present in environment.
166
167 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
168 Remove sandbox_log_file from main() as its no longer used.
169
170 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
171 sandbox_futils.c:
172 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
173 if already exported when sandbox started). Fix get_sandbox_log() and new
174 get_sandbox_debug_log() to not use already exported environment variables if
175 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
176 SB_PATH_MAX fixes.
177
178* sandbox-1.2.7 (2005/05/12)
179
180 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
181 sandbox_futils.c:
182 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
183
184 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
185 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
186 with '(null)' in it if we did not call sandbox with absolute path.
187
188 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
189 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
190 for the child.
191
192 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
193 Remove global preload_adaptable as it is no longer used.
194
195 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
196 Rewrite environment stuff to only be set when execve'ing the child process
197 to try and avoid issues like bug #91541 that causes sandbox to crash if
198 we set LD_PRELOAD sandbox side already.
199
200 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
201 Move print_sandbox_log() up to make things neater.
202
203 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
204 Remove load_preload_libs(), as its not used anymore.
205
206 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
207 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
208
209 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
210 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
211
212 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
213 Remove ld.so.preload crap - we are not going to use it again.
214
215 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
216 Fix typo in code that checks if we got valid group information, causing a
217 segmentation fault, bug #91637.
218
219* sandbox-1.2.6 (2005/05/10)
220
221 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
222 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
223 for some odd reason, bug #91541.
224
225 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
226 Fix typo (sizeof -> strlen).
227
228 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
229 rewrote the sbcontext caching code so it accounts for env changes since lib
230 initialization.
231
232 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
233 We create libctest.c via configure, so no need to keep it around. Do some
234 cleanup related to libctest.c and libctest during configure.
235
236 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
237 Add rename support of symlinks pointing to protected files/directories.
238
239* sandbox-1.2.5 (2005/05/04)
240
241 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
242 sandbox.bashrc:
243 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
244 already set, init of the env vars fails for some reason, so do this later on,
245 and do not warn (bug #91431).
246
247 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
248 sandbox.bashrc:
249 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
250
251* sandbox-1.2.4 (2005/05/03)
252
253 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
254 Do not init the env entries with each call, as it creates too many calls to
255 lstat, etc. Should speedup things a bit, bug #91040.
256
257 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
258 Add /dev/pty to default write list. Noticed by Morfic.
259
260 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
261 sandbox.h:
262 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
263 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
264
265* sandbox-1.2.3 (2005/04/29)
266
267 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
268 Do not check for (*&#$(* CXX or F77.
269
270 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
271 Do not append '/' to pathname in filter_path() if it already ends with it.
272
273 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
274 With az's help, clean up autotools to work with cross-compiling.
275
276* sandbox-1.2.2 (2005/04/28)
277
278 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
279 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
280 have issues; bug #90592.
281
282* sandbox-1.2.1 (2005/04/23)
283
284 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
285 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
286 Make sure all functions used in libsandbox.c is declared static. Define
287 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
288 linking with its object. Hopefully this will fix bug #90153.
289
290* sandbox-1.2 (2005/04/23)
291
292 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
293 Allow lchown a symlink in write-allowed path pointing to write-denied
294 target.
295
296 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
297 Also show resolved symlink names in the log.
298
299 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
300 Seems -nostdlib was the problem with the constructor/destructor - remove it
301 from Makefile.am, and change the constructor/destructor names again.
302
303 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
304 Also rename the _init() and _fini() declarations.
305
306 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
307 Fixup the constructor/destructor function names again (they should be _init()
308 and _fini() it seems, and not being called caused sandbox_lib_path to be
309 unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
310 Add both the path in given SANDBOX_x variable, as well as its symlink
311 resolved path in init_env_entries(). Modify filter_path() to be able to
312 resolve paths without resolving symlinks, as well as to be able to resolve
313 symlinks. Fix a possible segfault in check_access(). Add symlink resolving
314 to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
315 for bug #31019 cause access violations if we try to remove a symlink that is
316 not in protected path, but points to a protected path. Fix a memory leak in
317 sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
318 (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
319 (pid_string was uninitialized). General syntax cleanups.
320
321 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
322 infamous "pids file is not a regular file" w/out newline bug.
323
324 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
325 Correct libc_version path detection, since it was screwing up if libdir !=
326 "/lib/".
327
328 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
329 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
330
331 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
332 Fix symbols.in not added to dist.
333
334 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
335 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
336 White space fixes.
337
338 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
339 configure.in, getcwd.c, libsandbox.c, symbols.in:
340 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
341 getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
342 for glibc and other libc's that use this. Update libsandbox.c to use these
343 symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
344 process unset it.
345
346 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
347 killed off _init and _fini in favor of
348 void __attribute__ ((constructor)) init_func and
349 void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
350
351 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
352 canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
353 having the hick-ups.
354
355 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
356 Makefile.am: Fixed compilation.
4 357
5 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4: 358 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
6 Gutted the bugger so it stops checking for a c++ and fortran compiler. 359 Gutted the bugger so it stops checking for a c++ and fortran compiler.
7 Do *not* regenerate aclocal.m4 for making a release until a better 360 Do *not* regenerate aclocal.m4 for making a release until a better
8 solution is created. 361 solution is created.

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