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

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