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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 28 Nov 2005 Martin Schlemmer <azarah@gentoo.org> configure.in, sandbox.c,
6 sandbox_fdutils.c:
7
8 Detect if we on 64bit arch automatically.
9
10 Update contact email. Fix quoting.
11
12 Revert 64bit arch test, as we should build the 32bit version without full
13 path checking as well, and add --enable-multilib switch to configure.
14
15* sandbox-1.2.14 (2005/11/28)
16
17 28 Nov 2005 Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
18 sandbox.c, sandbox.h, sandbox.bashrc:
19
20 Check generic getcwd()'s return as well for validity, bug #101728.
21
22 Cleanup environ variables.
23
24 Rather check SANDBOX_ACTIVE if we are already running. Set SANDBOX_ACTIVE
25 to readonly in sandbox.bashrc.
26
27 Make sure we use our bashrc.
28
29 01 Nov 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
30
31 Do not pass mode to true_open and true_open64 if not needed. Should fix a
32 segfault in some cases.
33
34* sandbox-1.2.13 (2005/09/12)
35
36 12 Sep 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, libsandbox.c:
37
38 Do not handle adding working directory to SANDBOX_WRITE, as portage does it
39 itself.
40
41 Make libsb_fini() do cleanup a bit more complete just in case we get another
42 uClibc 'call preloaded library fini before that of app' issue ... probably
43 will not help much, but we try.
44
45 04 Sep 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
46
47 Also allow symlink() system call to operate on a symlink in a writable path
48 that points to non-writable path, bug #104711.
49
50* sandbox-1.2.12 (2005/08/05)
51
52 05 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
53 sandbox.h:
54
55 Do not give an access violation if the access() system call do not have
56 write/read access - it does not actually modify, so we only need to return
57 not being able to write/read. Noted by Andres Loeh <kosmikus@gentoo.org>,
58 bug #101433.
59
60 If we are called from the command line, do not care about PORTAGE_TMPDIR,
61 and make the current directory the work directory. Also rename the variable
62 portage_tmp_dir to work_dir.
63
64 Remove the tmp_dir variable - we do not need it.
65
66 Improve error handling for get_sandbox_*_envvar() functions.
67
68 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
69
70 Still do normal log if debugging is requested.
71
72 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
73 to only enable if equal to "1" or "yes".
74
75 Add /dev/tts to write permit, bug #42809.
76
77 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
78 sandbox_futils.c:
79
80 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
81 in libsandbox .. bug #100309.
82
83 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
84
85 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
86
87* sandbox-1.2.11 (2005/07/14)
88
89 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
90 Fix getcwd, bug #98419.
91
92 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
93 libsandbox.c:
94 - Try to cleanup and make error handling/printing consistent.
95 - Remove old logs if present and conflicting with current.
96 - Fix compile error with previous change, and return rather then exit().
97
98 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
99 sandbox.h, sandbox_futils.c:
100 - Fix possible segfault in env init code.
101 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
102 write to /var/log/sandbox/, so in theory do not need all that.
103 - Redo the interface of the get_* functions so that we do not leak memory.
104 - Remove sandbox_dir and co - we are not using it anymore.
105 - Remove unused includes and variables.
106 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
107 OUTSIDE_LIBSANDBOX is not defined.
108 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
109 printing's last line not honouring NOCOLOR.
110
111 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
112 libsandbox.c:
113 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
114 write to it.
115 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
116 - Add check_prefixes() with major cleanup on check_access().
117 - Cleanup init_env_entries() and check_prefixes().
118
119 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
120 sandbox_futils.c, libsandbox.c:
121 Remove unused 'pids file' code.
122
123* sandbox-1.2.10 (2005/07/03)
124
125 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
126 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
127
128 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
129 General cleanups:
130 - Remove fooling around with exit codes - we error out on presence of a log
131 anyhow.
132 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
133 appropriate there.
134
135 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
136 Cleanup the fail_nametoolong stuff a bit more.
137
138 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
139 Remove hopefully the last ld.so.preload bits we do not use anymore.
140
141 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
142 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
143 in check_syscall(). Should speed things up a bit (at least for the getcwd()
144 and long path name test it goes down to under a second, and not 10+ seconds
145 like before). Also warn if we skip checking due to the canonicalized path
146 being too long.
147
148 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
149 More comment/readability cleanups.
150
151 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
152 sandbox_futils.c, libsandbox.c:
153 Some strncpy/strncat and other cleanups.
154
155* sandbox-1.2.9 (2005/06/09)
156
157 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
158 Move symlink hack down a bit to try and minimize on the amount of lstat()
159 calls we do.
160
161 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
162 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
163
164 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
165 Add wrapper for access() function, bug #85413.
166
167 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
168 Use generic getcwd() implementation from uclibc - should be more portable
169 and looks a bit cleaner.
170
171 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
172 Make sure our true_* pointers are initialized to NULL, and that we check for
173 all references that they are valid.
174
175 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
176 Be default we will fail if the path name we try to canonicalize is too long.
177 This however could cause issues with some things (bug #94630 and #21766), so
178 if fail_nametoolong == 0, canonicalize() will return a null length string and
179 do not fail.
180
181 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
182 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
183 make sure we re-export the new TMPDIR environment variable.
184
185 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
186 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
187 by Marcus D. Hanwell <cryos@gentoo.org>.
188
189 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
190 Add /dev/console to write list, bug #38588.
191
192* sandbox-1.2.8 (2005/05/13)
193
194 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
195 sandbox.h, sandbox_futils.c:
196 General cleanups.
197
198 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
199 sandbox.h:
200 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
201
202 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
203 sandbox.h, sandbox_futils.c:
204 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
205 to use TMPDIR if present in environment.
206
207 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
208 Remove sandbox_log_file from main() as its no longer used.
209
210 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
211 sandbox_futils.c:
212 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
213 if already exported when sandbox started). Fix get_sandbox_log() and new
214 get_sandbox_debug_log() to not use already exported environment variables if
215 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
216 SB_PATH_MAX fixes.
217
218* sandbox-1.2.7 (2005/05/12)
219
220 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
221 sandbox_futils.c:
222 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
223
224 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
225 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
226 with '(null)' in it if we did not call sandbox with absolute path.
227
228 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
229 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
230 for the child.
231
232 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
233 Remove global preload_adaptable as it is no longer used.
234
235 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
236 Rewrite environment stuff to only be set when execve'ing the child process
237 to try and avoid issues like bug #91541 that causes sandbox to crash if
238 we set LD_PRELOAD sandbox side already.
239
240 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
241 Move print_sandbox_log() up to make things neater.
242
243 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
244 Remove load_preload_libs(), as its not used anymore.
245
246 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
247 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
248
249 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
250 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
251
252 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
253 Remove ld.so.preload crap - we are not going to use it again.
254
255 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
256 Fix typo in code that checks if we got valid group information, causing a
257 segmentation fault, bug #91637.
258
259* sandbox-1.2.6 (2005/05/10)
260
261 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
262 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
263 for some odd reason, bug #91541.
264
265 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
266 Fix typo (sizeof -> strlen).
267
268 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
269 rewrote the sbcontext caching code so it accounts for env changes since lib
270 initialization.
271
272 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
273 We create libctest.c via configure, so no need to keep it around. Do some
274 cleanup related to libctest.c and libctest during configure.
275
276 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
277 Add rename support of symlinks pointing to protected files/directories.
278
279* sandbox-1.2.5 (2005/05/04)
280
281 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
282 sandbox.bashrc:
283 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
284 already set, init of the env vars fails for some reason, so do this later on,
285 and do not warn (bug #91431).
286
287 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
288 sandbox.bashrc:
289 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
290
291* sandbox-1.2.4 (2005/05/03)
292
293 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
294 Do not init the env entries with each call, as it creates too many calls to
295 lstat, etc. Should speedup things a bit, bug #91040.
296
297 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
298 Add /dev/pty to default write list. Noticed by Morfic.
299
300 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
301 sandbox.h:
302 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
303 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
304
305* sandbox-1.2.3 (2005/04/29)
306
307 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
308 Do not check for (*&#$(* CXX or F77.
309
310 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
311 Do not append '/' to pathname in filter_path() if it already ends with it.
312
313 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
314 With az's help, clean up autotools to work with cross-compiling.
315
316* sandbox-1.2.2 (2005/04/28)
317
318 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
319 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
320 have issues; bug #90592.
321
322* sandbox-1.2.1 (2005/04/23)
323
324 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
325 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
326 Make sure all functions used in libsandbox.c is declared static. Define
327 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
328 linking with its object. Hopefully this will fix bug #90153.
329
330* sandbox-1.2 (2005/04/23)
331
332 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
333 Allow lchown a symlink in write-allowed path pointing to write-denied
334 target.
335
336 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
337 Also show resolved symlink names in the log.
338
339 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
340 Seems -nostdlib was the problem with the constructor/destructor - remove it
341 from Makefile.am, and change the constructor/destructor names again.
342
343 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
344 Also rename the _init() and _fini() declarations.
345
346 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
347 Fixup the constructor/destructor function names again (they should be _init()
348 and _fini() it seems, and not being called caused sandbox_lib_path to be
349 unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
350 Add both the path in given SANDBOX_x variable, as well as its symlink
351 resolved path in init_env_entries(). Modify filter_path() to be able to
352 resolve paths without resolving symlinks, as well as to be able to resolve
353 symlinks. Fix a possible segfault in check_access(). Add symlink resolving
354 to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
355 for bug #31019 cause access violations if we try to remove a symlink that is
356 not in protected path, but points to a protected path. Fix a memory leak in
357 sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
358 (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
359 (pid_string was uninitialized). General syntax cleanups.
360
361 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
362 infamous "pids file is not a regular file" w/out newline bug.
363
364 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
365 Correct libc_version path detection, since it was screwing up if libdir !=
366 "/lib/".
367
368 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
369 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
370
371 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
372 Fix symbols.in not added to dist.
373
374 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
375 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
376 White space fixes.
377
378 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
379 configure.in, getcwd.c, libsandbox.c, symbols.in:
380 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
381 getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
382 for glibc and other libc's that use this. Update libsandbox.c to use these
383 symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
384 process unset it.
385
5 01 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c: 386 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
6 killed off _init and _fini in favor of 387 killed off _init and _fini in favor of
7 void __attribute__ ((constructor)) init_func and 388 void __attribute__ ((constructor)) init_func and
8 void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated. 389 void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
9 390
10 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c, 391 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,

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