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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 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
6
7 Still do normal log if debugging is requested.
8
9 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
10 to only enable if equal to "1" or "yes".
11
12 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
13 sandbox_futils.c:
14
15 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
16 in libsandbox .. bug #100309.
17
18 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
19
20 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
21
22* sandbox-1.2.11 (2005/07/14)
23
24 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
25 Fix getcwd, bug #98419.
26
27 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
28 libsandbox.c:
29 - Try to cleanup and make error handling/printing consistent.
30 - Remove old logs if present and conflicting with current.
31 - Fix compile error with previous change, and return rather then exit().
32
33 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
34 sandbox.h, sandbox_futils.c:
35 - Fix possible segfault in env init code.
36 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
37 write to /var/log/sandbox/, so in theory do not need all that.
38 - Redo the interface of the get_* functions so that we do not leak memory.
39 - Remove sandbox_dir and co - we are not using it anymore.
40 - Remove unused includes and variables.
41 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
42 OUTSIDE_LIBSANDBOX is not defined.
43 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
44 printing's last line not honouring NOCOLOR.
45
46 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
47 libsandbox.c:
48 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
49 write to it.
50 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
51 - Add check_prefixes() with major cleanup on check_access().
52 - Cleanup init_env_entries() and check_prefixes().
53
54 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
55 sandbox_futils.c, libsandbox.c:
56 Remove unused 'pids file' code.
57
58* sandbox-1.2.10 (2005/07/03)
59
60 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
61 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
62
63 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
64 General cleanups:
65 - Remove fooling around with exit codes - we error out on presence of a log
66 anyhow.
67 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
68 appropriate there.
69
70 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
71 Cleanup the fail_nametoolong stuff a bit more.
72
73 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
74 Remove hopefully the last ld.so.preload bits we do not use anymore.
75
76 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
77 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
78 in check_syscall(). Should speed things up a bit (at least for the getcwd()
79 and long path name test it goes down to under a second, and not 10+ seconds
80 like before). Also warn if we skip checking due to the canonicalized path
81 being too long.
82
83 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
84 More comment/readability cleanups.
85
86 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
87 sandbox_futils.c, libsandbox.c:
88 Some strncpy/strncat and other cleanups.
89
90* sandbox-1.2.9 (2005/06/09)
91
92 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
93 Move symlink hack down a bit to try and minimize on the amount of lstat()
94 calls we do.
95
96 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
97 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
98
99 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
100 Add wrapper for access() function, bug #85413.
101
102 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
103 Use generic getcwd() implementation from uclibc - should be more portable
104 and looks a bit cleaner.
105
106 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
107 Make sure our true_* pointers are initialized to NULL, and that we check for
108 all references that they are valid.
109
110 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
111 Be default we will fail if the path name we try to canonicalize is too long.
112 This however could cause issues with some things (bug #94630 and #21766), so
113 if fail_nametoolong == 0, canonicalize() will return a null length string and
114 do not fail.
115
116 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
117 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
118 make sure we re-export the new TMPDIR environment variable.
119
120 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
121 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
122 by Marcus D. Hanwell <cryos@gentoo.org>.
123
124 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
125 Add /dev/console to write list, bug #38588.
126
127* sandbox-1.2.8 (2005/05/13)
128
129 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
130 sandbox.h, sandbox_futils.c:
131 General cleanups.
132
133 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
134 sandbox.h:
135 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
136
137 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
138 sandbox.h, sandbox_futils.c:
139 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
140 to use TMPDIR if present in environment.
141
142 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
143 Remove sandbox_log_file from main() as its no longer used.
144
145 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
146 sandbox_futils.c:
147 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
148 if already exported when sandbox started). Fix get_sandbox_log() and new
149 get_sandbox_debug_log() to not use already exported environment variables if
150 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
151 SB_PATH_MAX fixes.
152
153* sandbox-1.2.7 (2005/05/12)
154
155 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
156 sandbox_futils.c:
157 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
158
159 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
160 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
161 with '(null)' in it if we did not call sandbox with absolute path.
162
163 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
164 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
165 for the child.
166
167 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
168 Remove global preload_adaptable as it is no longer used.
169
170 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
171 Rewrite environment stuff to only be set when execve'ing the child process
172 to try and avoid issues like bug #91541 that causes sandbox to crash if
173 we set LD_PRELOAD sandbox side already.
174
175 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
176 Move print_sandbox_log() up to make things neater.
177
178 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
179 Remove load_preload_libs(), as its not used anymore.
180
181 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
182 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
183
184 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
185 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
186
187 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
188 Remove ld.so.preload crap - we are not going to use it again.
189
190 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
191 Fix typo in code that checks if we got valid group information, causing a
192 segmentation fault, bug #91637.
193
194* sandbox-1.2.6 (2005/05/10)
195
196 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
197 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
198 for some odd reason, bug #91541.
199
200 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
201 Fix typo (sizeof -> strlen).
202
203 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
204 rewrote the sbcontext caching code so it accounts for env changes since lib
205 initialization.
206
207 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
208 We create libctest.c via configure, so no need to keep it around. Do some
209 cleanup related to libctest.c and libctest during configure.
210
211 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
212 Add rename support of symlinks pointing to protected files/directories.
213
214* sandbox-1.2.5 (2005/05/04)
215
216 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
217 sandbox.bashrc:
218 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
219 already set, init of the env vars fails for some reason, so do this later on,
220 and do not warn (bug #91431).
221
222 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
223 sandbox.bashrc:
224 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
225
226* sandbox-1.2.4 (2005/05/03)
227
228 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
229 Do not init the env entries with each call, as it creates too many calls to
230 lstat, etc. Should speedup things a bit, bug #91040.
231
232 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
233 Add /dev/pty to default write list. Noticed by Morfic.
234
235 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
236 sandbox.h:
237 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
238 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
239
240* sandbox-1.2.3 (2005/04/29)
241
242 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
243 Do not check for (*&#$(* CXX or F77.
244
245 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
246 Do not append '/' to pathname in filter_path() if it already ends with it.
247
248 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
249 With az's help, clean up autotools to work with cross-compiling.
250
251* sandbox-1.2.2 (2005/04/28)
252
253 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
254 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
255 have issues; bug #90592.
256
257* sandbox-1.2.1 (2005/04/23)
258
259 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
260 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
261 Make sure all functions used in libsandbox.c is declared static. Define
262 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
263 linking with its object. Hopefully this will fix bug #90153.
264
265* sandbox-1.2 (2005/04/23)
266
267 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
268 Allow lchown a symlink in write-allowed path pointing to write-denied
269 target.
270
271 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
272 Also show resolved symlink names in the log.
273
274 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
275 Seems -nostdlib was the problem with the constructor/destructor - remove it
276 from Makefile.am, and change the constructor/destructor names again.
277
278 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
279 Also rename the _init() and _fini() declarations.
280
281 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
282 Fixup the constructor/destructor function names again (they should be _init()
283 and _fini() it seems, and not being called caused sandbox_lib_path to be
284 unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
285 Add both the path in given SANDBOX_x variable, as well as its symlink
286 resolved path in init_env_entries(). Modify filter_path() to be able to
287 resolve paths without resolving symlinks, as well as to be able to resolve
288 symlinks. Fix a possible segfault in check_access(). Add symlink resolving
289 to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
290 for bug #31019 cause access violations if we try to remove a symlink that is
291 not in protected path, but points to a protected path. Fix a memory leak in
292 sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
293 (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
294 (pid_string was uninitialized). General syntax cleanups.
295
296 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
297 infamous "pids file is not a regular file" w/out newline bug.
298
299 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
300 Correct libc_version path detection, since it was screwing up if libdir !=
301 "/lib/".
302
303 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
304 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
305
306 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
307 Fix symbols.in not added to dist.
308
309 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
310 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
311 White space fixes.
312
313 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
314 configure.in, getcwd.c, libsandbox.c, symbols.in:
315 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
316 getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
317 for glibc and other libc's that use this. Update libsandbox.c to use these
318 symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
319 process unset it.
320
321 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
322 killed off _init and _fini in favor of
323 void __attribute__ ((constructor)) init_func and
324 void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
325
326 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
327 canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
328 having the hick-ups.
329
330 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
331 Makefile.am: Fixed compilation.
4 332
5 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4: 333 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
6 Gutted the bugger so it stops checking for a c++ and fortran compiler. 334 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 335 Do *not* regenerate aclocal.m4 for making a release until a better
8 solution is created. 336 solution is created.

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