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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* sandbox-1.2.12 (2005/08/05)
6
7 05 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
8 sandbox.h:
9
10 Do not give an access violation if the access() system call do not have
11 write/read access - it does not actually modify, so we only need to return
12 not being able to write/read. Noted by Andres Loeh <kosmikus@gentoo.org>,
13 bug #101433.
14
15 If we are called from the command line, do not care about PORTAGE_TMPDIR,
16 and make the current directory the work directory. Also rename the variable
17 portage_tmp_dir to work_dir.
18
19 Remove the tmp_dir variable - we do not need it.
20
21 Improve error handling for get_sandbox_*_envvar() functions.
22
23 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
24
25 Still do normal log if debugging is requested.
26
27 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
28 to only enable if equal to "1" or "yes".
29
30 Add /dev/tts to write permit, bug #42809.
31
32 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
33 sandbox_futils.c:
34
35 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
36 in libsandbox .. bug #100309.
37
38 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
39
40 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
41
42* sandbox-1.2.11 (2005/07/14)
43
44 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
45 Fix getcwd, bug #98419.
46
47 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
48 libsandbox.c:
49 - Try to cleanup and make error handling/printing consistent.
50 - Remove old logs if present and conflicting with current.
51 - Fix compile error with previous change, and return rather then exit().
52
53 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
54 sandbox.h, sandbox_futils.c:
55 - Fix possible segfault in env init code.
56 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
57 write to /var/log/sandbox/, so in theory do not need all that.
58 - Redo the interface of the get_* functions so that we do not leak memory.
59 - Remove sandbox_dir and co - we are not using it anymore.
60 - Remove unused includes and variables.
61 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
62 OUTSIDE_LIBSANDBOX is not defined.
63 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
64 printing's last line not honouring NOCOLOR.
65
66 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
67 libsandbox.c:
68 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
69 write to it.
70 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
71 - Add check_prefixes() with major cleanup on check_access().
72 - Cleanup init_env_entries() and check_prefixes().
73
74 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
75 sandbox_futils.c, libsandbox.c:
76 Remove unused 'pids file' code.
77
78* sandbox-1.2.10 (2005/07/03)
79
80 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
81 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
82
83 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
84 General cleanups:
85 - Remove fooling around with exit codes - we error out on presence of a log
86 anyhow.
87 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
88 appropriate there.
89
90 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
91 Cleanup the fail_nametoolong stuff a bit more.
92
93 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
94 Remove hopefully the last ld.so.preload bits we do not use anymore.
95
96 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
97 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
98 in check_syscall(). Should speed things up a bit (at least for the getcwd()
99 and long path name test it goes down to under a second, and not 10+ seconds
100 like before). Also warn if we skip checking due to the canonicalized path
101 being too long.
102
103 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
104 More comment/readability cleanups.
105
106 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
107 sandbox_futils.c, libsandbox.c:
108 Some strncpy/strncat and other cleanups.
109
110* sandbox-1.2.9 (2005/06/09)
111
112 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
113 Move symlink hack down a bit to try and minimize on the amount of lstat()
114 calls we do.
115
116 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
117 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
118
119 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
120 Add wrapper for access() function, bug #85413.
121
122 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
123 Use generic getcwd() implementation from uclibc - should be more portable
124 and looks a bit cleaner.
125
126 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
127 Make sure our true_* pointers are initialized to NULL, and that we check for
128 all references that they are valid.
129
130 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
131 Be default we will fail if the path name we try to canonicalize is too long.
132 This however could cause issues with some things (bug #94630 and #21766), so
133 if fail_nametoolong == 0, canonicalize() will return a null length string and
134 do not fail.
135
136 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
137 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
138 make sure we re-export the new TMPDIR environment variable.
139
140 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
141 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
142 by Marcus D. Hanwell <cryos@gentoo.org>.
143
144 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
145 Add /dev/console to write list, bug #38588.
146
147* sandbox-1.2.8 (2005/05/13)
148
149 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
150 sandbox.h, sandbox_futils.c:
151 General cleanups.
152
153 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
154 sandbox.h:
155 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
156
157 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
158 sandbox.h, sandbox_futils.c:
159 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
160 to use TMPDIR if present in environment.
161
162 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
163 Remove sandbox_log_file from main() as its no longer used.
164
165 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
166 sandbox_futils.c:
167 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
168 if already exported when sandbox started). Fix get_sandbox_log() and new
169 get_sandbox_debug_log() to not use already exported environment variables if
170 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
171 SB_PATH_MAX fixes.
172
173* sandbox-1.2.7 (2005/05/12)
174
175 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
176 sandbox_futils.c:
177 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
178
179 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
180 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
181 with '(null)' in it if we did not call sandbox with absolute path.
182
183 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
184 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
185 for the child.
186
187 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
188 Remove global preload_adaptable as it is no longer used.
189
190 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
191 Rewrite environment stuff to only be set when execve'ing the child process
192 to try and avoid issues like bug #91541 that causes sandbox to crash if
193 we set LD_PRELOAD sandbox side already.
194
195 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
196 Move print_sandbox_log() up to make things neater.
197
198 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
199 Remove load_preload_libs(), as its not used anymore.
200
201 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
202 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
203
204 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
205 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
206
207 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
208 Remove ld.so.preload crap - we are not going to use it again.
209
210 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
211 Fix typo in code that checks if we got valid group information, causing a
212 segmentation fault, bug #91637.
213
214* sandbox-1.2.6 (2005/05/10)
215
216 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
217 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
218 for some odd reason, bug #91541.
219
220 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
221 Fix typo (sizeof -> strlen).
222
223 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
224 rewrote the sbcontext caching code so it accounts for env changes since lib
225 initialization.
226
227 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
228 We create libctest.c via configure, so no need to keep it around. Do some
229 cleanup related to libctest.c and libctest during configure.
230
231 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
232 Add rename support of symlinks pointing to protected files/directories.
233
234* sandbox-1.2.5 (2005/05/04)
235
236 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
237 sandbox.bashrc:
238 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
239 already set, init of the env vars fails for some reason, so do this later on,
240 and do not warn (bug #91431).
241
242 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
243 sandbox.bashrc:
244 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
245
246* sandbox-1.2.4 (2005/05/03)
247
248 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
249 Do not init the env entries with each call, as it creates too many calls to
250 lstat, etc. Should speedup things a bit, bug #91040.
251
252 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
253 Add /dev/pty to default write list. Noticed by Morfic.
254
255 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
256 sandbox.h:
257 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
258 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
259
260* sandbox-1.2.3 (2005/04/29)
261
262 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
263 Do not check for (*&#$(* CXX or F77.
264
265 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
266 Do not append '/' to pathname in filter_path() if it already ends with it.
267
268 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
269 With az's help, clean up autotools to work with cross-compiling.
270
271* sandbox-1.2.2 (2005/04/28)
272
273 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
274 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
275 have issues; bug #90592.
276
277* sandbox-1.2.1 (2005/04/23)
278
279 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
280 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
281 Make sure all functions used in libsandbox.c is declared static. Define
282 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
283 linking with its object. Hopefully this will fix bug #90153.
284
285* sandbox-1.2 (2005/04/23)
286
287 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
288 Allow lchown a symlink in write-allowed path pointing to write-denied
289 target.
290
291 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
292 Also show resolved symlink names in the log.
293
294 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
295 Seems -nostdlib was the problem with the constructor/destructor - remove it
296 from Makefile.am, and change the constructor/destructor names again.
297
298 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
299 Also rename the _init() and _fini() declarations.
300
301 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
302 Fixup the constructor/destructor function names again (they should be _init()
303 and _fini() it seems, and not being called caused sandbox_lib_path to be
304 unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
305 Add both the path in given SANDBOX_x variable, as well as its symlink
306 resolved path in init_env_entries(). Modify filter_path() to be able to
307 resolve paths without resolving symlinks, as well as to be able to resolve
308 symlinks. Fix a possible segfault in check_access(). Add symlink resolving
309 to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
310 for bug #31019 cause access violations if we try to remove a symlink that is
311 not in protected path, but points to a protected path. Fix a memory leak in
312 sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
313 (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
314 (pid_string was uninitialized). General syntax cleanups.
315
316 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
317 infamous "pids file is not a regular file" w/out newline bug.
318
319 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
320 Correct libc_version path detection, since it was screwing up if libdir !=
321 "/lib/".
322
323 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
324 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
325
326 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
327 Fix symbols.in not added to dist.
328
329 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
330 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
331 White space fixes.
332
333 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
334 configure.in, getcwd.c, libsandbox.c, symbols.in:
335 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
336 getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
337 for glibc and other libc's that use this. Update libsandbox.c to use these
338 symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
339 process unset it.
340
341 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
342 killed off _init and _fini in favor of
343 void __attribute__ ((constructor)) init_func and
344 void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
345
346 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
347 canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
348 having the hick-ups.
349
350 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
351 Makefile.am: Fixed compilation.
4 352
5 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4: 353 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
6 Gutted the bugger so it stops checking for a c++ and fortran compiler. 354 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 355 Do *not* regenerate aclocal.m4 for making a release until a better
8 solution is created. 356 solution is created.

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