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

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