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