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

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