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

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