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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 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
6 sandbox_futils.c:
7
8 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
9 in libsandbox .. bug #100309.
10
11 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
12
13 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
14
15* sandbox-1.2.11 (2005/07/14)
16
17 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
18 Fix getcwd, bug #98419.
19
20 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
21 libsandbox.c:
22 - Try to cleanup and make error handling/printing consistent.
23 - Remove old logs if present and conflicting with current.
24 - Fix compile error with previous change, and return rather then exit().
25
26 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
27 sandbox.h, sandbox_futils.c:
28 - Fix possible segfault in env init code.
29 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
30 write to /var/log/sandbox/, so in theory do not need all that.
31 - Redo the interface of the get_* functions so that we do not leak memory.
32 - Remove sandbox_dir and co - we are not using it anymore.
33 - Remove unused includes and variables.
34 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
35 OUTSIDE_LIBSANDBOX is not defined.
36 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
37 printing's last line not honouring NOCOLOR.
38
39 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
40 libsandbox.c:
41 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
42 write to it.
43 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
44 - Add check_prefixes() with major cleanup on check_access().
45 - Cleanup init_env_entries() and check_prefixes().
46
47 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
48 sandbox_futils.c, libsandbox.c:
49 Remove unused 'pids file' code.
50
51* sandbox-1.2.10 (2005/07/03)
52
53 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
54 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
55
56 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
57 General cleanups:
58 - Remove fooling around with exit codes - we error out on presence of a log
59 anyhow.
60 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
61 appropriate there.
62
63 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
64 Cleanup the fail_nametoolong stuff a bit more.
65
66 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
67 Remove hopefully the last ld.so.preload bits we do not use anymore.
68
69 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
70 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
71 in check_syscall(). Should speed things up a bit (at least for the getcwd()
72 and long path name test it goes down to under a second, and not 10+ seconds
73 like before). Also warn if we skip checking due to the canonicalized path
74 being too long.
75
76 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
77 More comment/readability cleanups.
78
79 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
80 sandbox_futils.c, libsandbox.c:
81 Some strncpy/strncat and other cleanups.
82
83* sandbox-1.2.9 (2005/06/09)
84
85 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
86 Move symlink hack down a bit to try and minimize on the amount of lstat()
87 calls we do.
88
89 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
90 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
91
92 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
93 Add wrapper for access() function, bug #85413.
94
95 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
96 Use generic getcwd() implementation from uclibc - should be more portable
97 and looks a bit cleaner.
98
99 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
100 Make sure our true_* pointers are initialized to NULL, and that we check for
101 all references that they are valid.
102
103 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
104 Be default we will fail if the path name we try to canonicalize is too long.
105 This however could cause issues with some things (bug #94630 and #21766), so
106 if fail_nametoolong == 0, canonicalize() will return a null length string and
107 do not fail.
108
109 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
110 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
111 make sure we re-export the new TMPDIR environment variable.
112
113 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
114 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
115 by Marcus D. Hanwell <cryos@gentoo.org>.
116
117 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
118 Add /dev/console to write list, bug #38588.
119
120* sandbox-1.2.8 (2005/05/13)
121
122 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
123 sandbox.h, sandbox_futils.c:
124 General cleanups.
125
126 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
127 sandbox.h:
128 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
129
130 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
131 sandbox.h, sandbox_futils.c:
132 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
133 to use TMPDIR if present in environment.
134
135 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
136 Remove sandbox_log_file from main() as its no longer used.
137
138 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
139 sandbox_futils.c:
140 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
141 if already exported when sandbox started). Fix get_sandbox_log() and new
142 get_sandbox_debug_log() to not use already exported environment variables if
143 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
144 SB_PATH_MAX fixes.
145
146* sandbox-1.2.7 (2005/05/12)
147
148 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
149 sandbox_futils.c:
150 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
151
152 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
153 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
154 with '(null)' in it if we did not call sandbox with absolute path.
155
156 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
157 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
158 for the child.
159
160 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
161 Remove global preload_adaptable as it is no longer used.
162
163 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
164 Rewrite environment stuff to only be set when execve'ing the child process
165 to try and avoid issues like bug #91541 that causes sandbox to crash if
166 we set LD_PRELOAD sandbox side already.
167
168 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
169 Move print_sandbox_log() up to make things neater.
170
171 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
172 Remove load_preload_libs(), as its not used anymore.
173
174 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
175 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
176
177 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
178 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
179
180 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
181 Remove ld.so.preload crap - we are not going to use it again.
182
183 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
184 Fix typo in code that checks if we got valid group information, causing a
185 segmentation fault, bug #91637.
186
187* sandbox-1.2.6 (2005/05/10)
188
189 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
190 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
191 for some odd reason, bug #91541.
192
193 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
194 Fix typo (sizeof -> strlen).
195
196 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
197 rewrote the sbcontext caching code so it accounts for env changes since lib
198 initialization.
199
200 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
201 We create libctest.c via configure, so no need to keep it around. Do some
202 cleanup related to libctest.c and libctest during configure.
203
204 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
205 Add rename support of symlinks pointing to protected files/directories.
206
207* sandbox-1.2.5 (2005/05/04)
208
209 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
210 sandbox.bashrc:
211 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
212 already set, init of the env vars fails for some reason, so do this later on,
213 and do not warn (bug #91431).
214
215 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
216 sandbox.bashrc:
217 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
218
219* sandbox-1.2.4 (2005/05/03)
220
221 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
222 Do not init the env entries with each call, as it creates too many calls to
223 lstat, etc. Should speedup things a bit, bug #91040.
224
225 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
226 Add /dev/pty to default write list. Noticed by Morfic.
227
228 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
229 sandbox.h:
230 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
231 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
232
233* sandbox-1.2.3 (2005/04/29)
234
235 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
236 Do not check for (*&#$(* CXX or F77.
237
238 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
239 Do not append '/' to pathname in filter_path() if it already ends with it.
240
241 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
242 With az's help, clean up autotools to work with cross-compiling.
243
244* sandbox-1.2.2 (2005/04/28)
245
246 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
247 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
248 have issues; bug #90592.
249
250* sandbox-1.2.1 (2005/04/23)
251
252 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
253 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
254 Make sure all functions used in libsandbox.c is declared static. Define
255 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
256 linking with its object. Hopefully this will fix bug #90153.
257
258* sandbox-1.2 (2005/04/23)
259
260 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
261 Allow lchown a symlink in write-allowed path pointing to write-denied
262 target.
263
264 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
265 Also show resolved symlink names in the log.
266
267 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
268 Seems -nostdlib was the problem with the constructor/destructor - remove it
269 from Makefile.am, and change the constructor/destructor names again.
270
271 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
272 Also rename the _init() and _fini() declarations.
273
274 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
275 Fixup the constructor/destructor function names again (they should be _init()
276 and _fini() it seems, and not being called caused sandbox_lib_path to be
277 unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
278 Add both the path in given SANDBOX_x variable, as well as its symlink
279 resolved path in init_env_entries(). Modify filter_path() to be able to
280 resolve paths without resolving symlinks, as well as to be able to resolve
281 symlinks. Fix a possible segfault in check_access(). Add symlink resolving
282 to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
283 for bug #31019 cause access violations if we try to remove a symlink that is
284 not in protected path, but points to a protected path. Fix a memory leak in
285 sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
286 (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
287 (pid_string was uninitialized). General syntax cleanups.
288
289 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
290 infamous "pids file is not a regular file" w/out newline bug.
291
292 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
293 Correct libc_version path detection, since it was screwing up if libdir !=
294 "/lib/".
295
296 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
297 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
298
299 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
300 Fix symbols.in not added to dist.
301
302 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
303 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
304 White space fixes.
305
306 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
307 configure.in, getcwd.c, libsandbox.c, symbols.in:
308 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
309 getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
310 for glibc and other libc's that use this. Update libsandbox.c to use these
311 symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
312 process unset it.
313
314 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
315 killed off _init and _fini in favor of
316 void __attribute__ ((constructor)) init_func and
317 void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
318
319 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
320 canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
321 having the hick-ups.
322
323 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
324 Makefile.am: Fixed compilation.
4 325
5 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4: 326 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
6 Gutted the bugger so it stops checking for a c++ and fortran compiler. 327 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 328 Do *not* regenerate aclocal.m4 for making a release until a better
8 solution is created. 329 solution is created.

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