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

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