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

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