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

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