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

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