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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 04 Sep 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
6
7 Also allow symlink() system call to operate on a symlink in a writable path
8 that points to non-writable path, bug #104711.
9
10* sandbox-1.2.12 (2005/08/05)
11
12 05 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
13 sandbox.h:
14
15 Do not give an access violation if the access() system call do not have
16 write/read access - it does not actually modify, so we only need to return
17 not being able to write/read. Noted by Andres Loeh <kosmikus@gentoo.org>,
18 bug #101433.
19
20 If we are called from the command line, do not care about PORTAGE_TMPDIR,
21 and make the current directory the work directory. Also rename the variable
22 portage_tmp_dir to work_dir.
23
24 Remove the tmp_dir variable - we do not need it.
25
26 Improve error handling for get_sandbox_*_envvar() functions.
27
28 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
29
30 Still do normal log if debugging is requested.
31
32 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
33 to only enable if equal to "1" or "yes".
34
35 Add /dev/tts to write permit, bug #42809.
36
37 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
38 sandbox_futils.c:
39
40 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
41 in libsandbox .. bug #100309.
42
43 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
44
45 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
46
47* sandbox-1.2.11 (2005/07/14)
48
49 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
50 Fix getcwd, bug #98419.
51
52 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
53 libsandbox.c:
54 - Try to cleanup and make error handling/printing consistent.
55 - Remove old logs if present and conflicting with current.
56 - Fix compile error with previous change, and return rather then exit().
57
58 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
59 sandbox.h, sandbox_futils.c:
60 - Fix possible segfault in env init code.
61 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
62 write to /var/log/sandbox/, so in theory do not need all that.
63 - Redo the interface of the get_* functions so that we do not leak memory.
64 - Remove sandbox_dir and co - we are not using it anymore.
65 - Remove unused includes and variables.
66 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
67 OUTSIDE_LIBSANDBOX is not defined.
68 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
69 printing's last line not honouring NOCOLOR.
70
71 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
72 libsandbox.c:
73 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
74 write to it.
75 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
76 - Add check_prefixes() with major cleanup on check_access().
77 - Cleanup init_env_entries() and check_prefixes().
78
79 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
80 sandbox_futils.c, libsandbox.c:
81 Remove unused 'pids file' code.
82
83* sandbox-1.2.10 (2005/07/03)
84
85 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
86 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
87
88 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
89 General cleanups:
90 - Remove fooling around with exit codes - we error out on presence of a log
91 anyhow.
92 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
93 appropriate there.
94
95 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
96 Cleanup the fail_nametoolong stuff a bit more.
97
98 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
99 Remove hopefully the last ld.so.preload bits we do not use anymore.
100
101 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
102 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
103 in check_syscall(). Should speed things up a bit (at least for the getcwd()
104 and long path name test it goes down to under a second, and not 10+ seconds
105 like before). Also warn if we skip checking due to the canonicalized path
106 being too long.
107
108 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
109 More comment/readability cleanups.
110
111 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
112 sandbox_futils.c, libsandbox.c:
113 Some strncpy/strncat and other cleanups.
114
115* sandbox-1.2.9 (2005/06/09)
116
117 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
118 Move symlink hack down a bit to try and minimize on the amount of lstat()
119 calls we do.
120
121 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
122 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
123
124 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
125 Add wrapper for access() function, bug #85413.
126
127 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
128 Use generic getcwd() implementation from uclibc - should be more portable
129 and looks a bit cleaner.
130
131 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
132 Make sure our true_* pointers are initialized to NULL, and that we check for
133 all references that they are valid.
134
135 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
136 Be default we will fail if the path name we try to canonicalize is too long.
137 This however could cause issues with some things (bug #94630 and #21766), so
138 if fail_nametoolong == 0, canonicalize() will return a null length string and
139 do not fail.
140
141 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
142 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
143 make sure we re-export the new TMPDIR environment variable.
144
145 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
146 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
147 by Marcus D. Hanwell <cryos@gentoo.org>.
148
149 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
150 Add /dev/console to write list, bug #38588.
151
152* sandbox-1.2.8 (2005/05/13)
153
154 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
155 sandbox.h, sandbox_futils.c:
156 General cleanups.
157
158 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
159 sandbox.h:
160 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
161
162 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
163 sandbox.h, sandbox_futils.c:
164 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
165 to use TMPDIR if present in environment.
166
167 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
168 Remove sandbox_log_file from main() as its no longer used.
169
170 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
171 sandbox_futils.c:
172 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
173 if already exported when sandbox started). Fix get_sandbox_log() and new
174 get_sandbox_debug_log() to not use already exported environment variables if
175 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
176 SB_PATH_MAX fixes.
177
178* sandbox-1.2.7 (2005/05/12)
179
180 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
181 sandbox_futils.c:
182 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
183
184 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
185 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
186 with '(null)' in it if we did not call sandbox with absolute path.
187
188 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
189 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
190 for the child.
191
192 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
193 Remove global preload_adaptable as it is no longer used.
194
195 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
196 Rewrite environment stuff to only be set when execve'ing the child process
197 to try and avoid issues like bug #91541 that causes sandbox to crash if
198 we set LD_PRELOAD sandbox side already.
199
200 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
201 Move print_sandbox_log() up to make things neater.
202
203 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
204 Remove load_preload_libs(), as its not used anymore.
205
206 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
207 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
208
209 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
210 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
211
212 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
213 Remove ld.so.preload crap - we are not going to use it again.
214
215 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
216 Fix typo in code that checks if we got valid group information, causing a
217 segmentation fault, bug #91637.
218
219* sandbox-1.2.6 (2005/05/10)
220
221 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
222 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
223 for some odd reason, bug #91541.
224
225 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
226 Fix typo (sizeof -> strlen).
227
228 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
229 rewrote the sbcontext caching code so it accounts for env changes since lib
230 initialization.
231
232 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
233 We create libctest.c via configure, so no need to keep it around. Do some
234 cleanup related to libctest.c and libctest during configure.
235
236 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
237 Add rename support of symlinks pointing to protected files/directories.
238
239* sandbox-1.2.5 (2005/05/04)
240
241 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
242 sandbox.bashrc:
243 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
244 already set, init of the env vars fails for some reason, so do this later on,
245 and do not warn (bug #91431).
246
247 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
248 sandbox.bashrc:
249 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
250
251* sandbox-1.2.4 (2005/05/03)
252
253 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
254 Do not init the env entries with each call, as it creates too many calls to
255 lstat, etc. Should speedup things a bit, bug #91040.
256
257 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
258 Add /dev/pty to default write list. Noticed by Morfic.
259
260 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
261 sandbox.h:
262 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
263 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
264
265* sandbox-1.2.3 (2005/04/29)
266
267 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
268 Do not check for (*&#$(* CXX or F77.
269
270 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
271 Do not append '/' to pathname in filter_path() if it already ends with it.
272
273 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
274 With az's help, clean up autotools to work with cross-compiling.
275
276* sandbox-1.2.2 (2005/04/28)
4 277
5 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c: 278 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
6 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm 279 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
7 have issues; bug #90592. 280 have issues; bug #90592.
8 281
9* sandbox-1.2.1 282* sandbox-1.2.1 (2005/04/23)
10 283
11 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c, 284 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
12 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c: 285 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
13 Make sure all functions used in libsandbox.c is declared static. Define 286 Make sure all functions used in libsandbox.c is declared static. Define
14 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than 287 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
15 linking with its object. Hopefully this will fix bug #90153. 288 linking with its object. Hopefully this will fix bug #90153.
16 289
17* sandbox-1.2 290* sandbox-1.2 (2005/04/23)
18 291
19 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c: 292 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
20 Allow lchown a symlink in write-allowed path pointing to write-denied 293 Allow lchown a symlink in write-allowed path pointing to write-denied
21 target. 294 target.
22 295

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