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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 12 Sep 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, libsandbox.c:
6
7 Do not handle adding working directory to SANDBOX_WRITE, as portage does it
8 itself.
9
10 Make libsb_fini() do cleanup a bit more complete just in case we get another
11 uClibc 'call preloaded library fini before that of app' issue ... probably
12 will not help much, but we try.
13
14 04 Sep 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
15
16 Also allow symlink() system call to operate on a symlink in a writable path
17 that points to non-writable path, bug #104711.
18
19* sandbox-1.2.12 (2005/08/05)
20
21 05 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
22 sandbox.h:
23
24 Do not give an access violation if the access() system call do not have
25 write/read access - it does not actually modify, so we only need to return
26 not being able to write/read. Noted by Andres Loeh <kosmikus@gentoo.org>,
27 bug #101433.
28
29 If we are called from the command line, do not care about PORTAGE_TMPDIR,
30 and make the current directory the work directory. Also rename the variable
31 portage_tmp_dir to work_dir.
32
33 Remove the tmp_dir variable - we do not need it.
34
35 Improve error handling for get_sandbox_*_envvar() functions.
36
37 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
38
39 Still do normal log if debugging is requested.
40
41 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
42 to only enable if equal to "1" or "yes".
43
44 Add /dev/tts to write permit, bug #42809.
45
46 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
47 sandbox_futils.c:
48
49 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
50 in libsandbox .. bug #100309.
51
52 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
53
54 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
55
56* sandbox-1.2.11 (2005/07/14)
57
58 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
59 Fix getcwd, bug #98419.
60
61 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
62 libsandbox.c:
63 - Try to cleanup and make error handling/printing consistent.
64 - Remove old logs if present and conflicting with current.
65 - Fix compile error with previous change, and return rather then exit().
66
67 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
68 sandbox.h, sandbox_futils.c:
69 - Fix possible segfault in env init code.
70 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
71 write to /var/log/sandbox/, so in theory do not need all that.
72 - Redo the interface of the get_* functions so that we do not leak memory.
73 - Remove sandbox_dir and co - we are not using it anymore.
74 - Remove unused includes and variables.
75 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
76 OUTSIDE_LIBSANDBOX is not defined.
77 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
78 printing's last line not honouring NOCOLOR.
79
80 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
81 libsandbox.c:
82 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
83 write to it.
84 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
85 - Add check_prefixes() with major cleanup on check_access().
86 - Cleanup init_env_entries() and check_prefixes().
87
88 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
89 sandbox_futils.c, libsandbox.c:
90 Remove unused 'pids file' code.
91
92* sandbox-1.2.10 (2005/07/03)
93
94 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
95 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
96
97 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
98 General cleanups:
99 - Remove fooling around with exit codes - we error out on presence of a log
100 anyhow.
101 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
102 appropriate there.
103
104 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
105 Cleanup the fail_nametoolong stuff a bit more.
106
107 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
108 Remove hopefully the last ld.so.preload bits we do not use anymore.
109
110 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
111 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
112 in check_syscall(). Should speed things up a bit (at least for the getcwd()
113 and long path name test it goes down to under a second, and not 10+ seconds
114 like before). Also warn if we skip checking due to the canonicalized path
115 being too long.
116
117 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
118 More comment/readability cleanups.
119
120 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
121 sandbox_futils.c, libsandbox.c:
122 Some strncpy/strncat and other cleanups.
123
124* sandbox-1.2.9 (2005/06/09)
125
126 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
127 Move symlink hack down a bit to try and minimize on the amount of lstat()
128 calls we do.
129
130 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
131 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
132
133 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
134 Add wrapper for access() function, bug #85413.
135
136 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
137 Use generic getcwd() implementation from uclibc - should be more portable
138 and looks a bit cleaner.
139
140 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
141 Make sure our true_* pointers are initialized to NULL, and that we check for
142 all references that they are valid.
143
144 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
145 Be default we will fail if the path name we try to canonicalize is too long.
146 This however could cause issues with some things (bug #94630 and #21766), so
147 if fail_nametoolong == 0, canonicalize() will return a null length string and
148 do not fail.
149
150 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
151 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
152 make sure we re-export the new TMPDIR environment variable.
153
154 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
155 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
156 by Marcus D. Hanwell <cryos@gentoo.org>.
157
158 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
159 Add /dev/console to write list, bug #38588.
160
161* sandbox-1.2.8 (2005/05/13)
162
163 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
164 sandbox.h, sandbox_futils.c:
165 General cleanups.
166
167 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
168 sandbox.h:
169 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
170
171 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
172 sandbox.h, sandbox_futils.c:
173 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
174 to use TMPDIR if present in environment.
175
176 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
177 Remove sandbox_log_file from main() as its no longer used.
178
179 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
180 sandbox_futils.c:
181 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
182 if already exported when sandbox started). Fix get_sandbox_log() and new
183 get_sandbox_debug_log() to not use already exported environment variables if
184 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
185 SB_PATH_MAX fixes.
186
187* sandbox-1.2.7 (2005/05/12)
188
189 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
190 sandbox_futils.c:
191 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
192
193 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
194 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
195 with '(null)' in it if we did not call sandbox with absolute path.
196
197 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
198 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
199 for the child.
200
201 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
202 Remove global preload_adaptable as it is no longer used.
203
204 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
205 Rewrite environment stuff to only be set when execve'ing the child process
206 to try and avoid issues like bug #91541 that causes sandbox to crash if
207 we set LD_PRELOAD sandbox side already.
208
209 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
210 Move print_sandbox_log() up to make things neater.
211
212 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
213 Remove load_preload_libs(), as its not used anymore.
214
215 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
216 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
217
218 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
219 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
220
221 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
222 Remove ld.so.preload crap - we are not going to use it again.
223
224 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
225 Fix typo in code that checks if we got valid group information, causing a
226 segmentation fault, bug #91637.
227
228* sandbox-1.2.6 (2005/05/10)
229
230 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
231 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
232 for some odd reason, bug #91541.
233
234 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
235 Fix typo (sizeof -> strlen).
236
237 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
238 rewrote the sbcontext caching code so it accounts for env changes since lib
239 initialization.
240
241 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
242 We create libctest.c via configure, so no need to keep it around. Do some
243 cleanup related to libctest.c and libctest during configure.
244
245 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
246 Add rename support of symlinks pointing to protected files/directories.
247
248* sandbox-1.2.5 (2005/05/04)
249
250 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
251 sandbox.bashrc:
252 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
253 already set, init of the env vars fails for some reason, so do this later on,
254 and do not warn (bug #91431).
255
256 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
257 sandbox.bashrc:
258 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
259
260* sandbox-1.2.4 (2005/05/03)
261
262 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
263 Do not init the env entries with each call, as it creates too many calls to
264 lstat, etc. Should speedup things a bit, bug #91040.
265
266 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
267 Add /dev/pty to default write list. Noticed by Morfic.
268
269 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
270 sandbox.h:
271 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
272 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
273
274* sandbox-1.2.3 (2005/04/29)
275
276 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
277 Do not check for (*&#$(* CXX or F77.
278
279 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
280 Do not append '/' to pathname in filter_path() if it already ends with it.
281
282 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
283 With az's help, clean up autotools to work with cross-compiling.
284
285* sandbox-1.2.2 (2005/04/28)
286
287 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
288 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
289 have issues; bug #90592.
290
291* sandbox-1.2.1 (2005/04/23)
292
293 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
294 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
295 Make sure all functions used in libsandbox.c is declared static. Define
296 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
297 linking with its object. Hopefully this will fix bug #90153.
298
299* sandbox-1.2 (2005/04/23)
300
301 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
302 Allow lchown a symlink in write-allowed path pointing to write-denied
303 target.
304
305 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
306 Also show resolved symlink names in the log.
307
308 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
309 Seems -nostdlib was the problem with the constructor/destructor - remove it
310 from Makefile.am, and change the constructor/destructor names again.
311
312 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
313 Also rename the _init() and _fini() declarations.
314
315 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
316 Fixup the constructor/destructor function names again (they should be _init()
317 and _fini() it seems, and not being called caused sandbox_lib_path to be
318 unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
319 Add both the path in given SANDBOX_x variable, as well as its symlink
320 resolved path in init_env_entries(). Modify filter_path() to be able to
321 resolve paths without resolving symlinks, as well as to be able to resolve
322 symlinks. Fix a possible segfault in check_access(). Add symlink resolving
323 to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
324 for bug #31019 cause access violations if we try to remove a symlink that is
325 not in protected path, but points to a protected path. Fix a memory leak in
326 sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
327 (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
328 (pid_string was uninitialized). General syntax cleanups.
329
330 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
331 infamous "pids file is not a regular file" w/out newline bug.
332
333 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
334 Correct libc_version path detection, since it was screwing up if libdir !=
335 "/lib/".
336
337 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
338 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
339
340 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
341 Fix symbols.in not added to dist.
342
343 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
344 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
345 White space fixes.
346
347 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
348 configure.in, getcwd.c, libsandbox.c, symbols.in:
349 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
350 getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
351 for glibc and other libc's that use this. Update libsandbox.c to use these
352 symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
353 process unset it.
354
5 01 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c: 355 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
6 killed off _init and _fini in favor of 356 killed off _init and _fini in favor of
7 void __attribute__ ((constructor)) init_func and 357 void __attribute__ ((constructor)) init_func and
8 void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated. 358 void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
9 359
10 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c, 360 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,

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