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

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