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

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