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

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