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

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