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

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