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

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