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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 01 Dec 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, Makefile.am,
6 localdecls.h, scripts/Makefile.am, scripts/gen_symbol_version_map.awk,
7 scripts/gen_symbol_header.awk, src/Makefile.am, src/symbols.in,
8 src/libsandbox.c, src/getcwd.c, src/sandbox.c, data/sandbox.bashrc:
9
10 Use versioned symbols on supported libc's for functions we wrap, as well as
11 provide all versions of specific functions. Some syntax cleanups.
12
13 Only check SANDBOX_ACTIVE, and not its value. More BASH_ENV fixes.
14
15 Rename configure.in to configure.ac.
16
17 28 Nov 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, sandbox.c,
18 sandbox_fdutils.c:
19
20 Detect if we on 64bit arch automatically.
21
22 Update contact email. Fix quoting.
23
24 Revert 64bit arch test, as we should build the 32bit version without full
25 path checking as well, and add --enable-multilib switch to configure.
26
27* sandbox-1.2.14 (2005/11/28)
28
29 28 Nov 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
30 sandbox.c, sandbox.h, sandbox.bashrc:
31
32 Check generic getcwd()'s return as well for validity, bug #101728.
33
34 Cleanup environ variables.
35
36 Rather check SANDBOX_ACTIVE if we are already running. Set SANDBOX_ACTIVE
37 to readonly in sandbox.bashrc.
38
39 Make sure we use our bashrc.
40
41 01 Nov 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
42
43 Do not pass mode to true_open and true_open64 if not needed. Should fix a
44 segfault in some cases.
45
46* sandbox-1.2.13 (2005/09/12)
47
48 12 Sep 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, libsandbox.c:
49
50 Do not handle adding working directory to SANDBOX_WRITE, as portage does it
51 itself.
52
53 Make libsb_fini() do cleanup a bit more complete just in case we get another
54 uClibc 'call preloaded library fini before that of app' issue ... probably
55 will not help much, but we try.
56
57 04 Sep 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
58
59 Also allow symlink() system call to operate on a symlink in a writable path
60 that points to non-writable path, bug #104711.
61
62* sandbox-1.2.12 (2005/08/05)
63
64 05 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
65 sandbox.h:
66
67 Do not give an access violation if the access() system call do not have
68 write/read access - it does not actually modify, so we only need to return
69 not being able to write/read. Noted by Andres Loeh <kosmikus@gentoo.org>,
70 bug #101433.
71
72 If we are called from the command line, do not care about PORTAGE_TMPDIR,
73 and make the current directory the work directory. Also rename the variable
74 portage_tmp_dir to work_dir.
75
76 Remove the tmp_dir variable - we do not need it.
77
78 Improve error handling for get_sandbox_*_envvar() functions.
79
80 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
81
82 Still do normal log if debugging is requested.
83
84 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
85 to only enable if equal to "1" or "yes".
86
87 Add /dev/tts to write permit, bug #42809.
88
89 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
90 sandbox_futils.c:
91
92 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
93 in libsandbox .. bug #100309.
94
95 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
96
97 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
98
99* sandbox-1.2.11 (2005/07/14)
100
101 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
102 Fix getcwd, bug #98419.
103
104 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
105 libsandbox.c:
106 - Try to cleanup and make error handling/printing consistent.
107 - Remove old logs if present and conflicting with current.
108 - Fix compile error with previous change, and return rather then exit().
109
110 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
111 sandbox.h, sandbox_futils.c:
112 - Fix possible segfault in env init code.
113 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
114 write to /var/log/sandbox/, so in theory do not need all that.
115 - Redo the interface of the get_* functions so that we do not leak memory.
116 - Remove sandbox_dir and co - we are not using it anymore.
117 - Remove unused includes and variables.
118 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
119 OUTSIDE_LIBSANDBOX is not defined.
120 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
121 printing's last line not honouring NOCOLOR.
122
123 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
124 libsandbox.c:
125 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
126 write to it.
127 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
128 - Add check_prefixes() with major cleanup on check_access().
129 - Cleanup init_env_entries() and check_prefixes().
130
131 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
132 sandbox_futils.c, libsandbox.c:
133 Remove unused 'pids file' code.
134
135* sandbox-1.2.10 (2005/07/03)
136
137 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
138 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
139
140 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
141 General cleanups:
142 - Remove fooling around with exit codes - we error out on presence of a log
143 anyhow.
144 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
145 appropriate there.
146
147 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
148 Cleanup the fail_nametoolong stuff a bit more.
149
150 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
151 Remove hopefully the last ld.so.preload bits we do not use anymore.
152
153 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
154 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
155 in check_syscall(). Should speed things up a bit (at least for the getcwd()
156 and long path name test it goes down to under a second, and not 10+ seconds
157 like before). Also warn if we skip checking due to the canonicalized path
158 being too long.
159
160 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
161 More comment/readability cleanups.
162
163 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
164 sandbox_futils.c, libsandbox.c:
165 Some strncpy/strncat and other cleanups.
166
167* sandbox-1.2.9 (2005/06/09)
168
169 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
170 Move symlink hack down a bit to try and minimize on the amount of lstat()
171 calls we do.
172
173 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
174 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
175
176 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
177 Add wrapper for access() function, bug #85413.
178
179 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
180 Use generic getcwd() implementation from uclibc - should be more portable
181 and looks a bit cleaner.
182
183 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
184 Make sure our true_* pointers are initialized to NULL, and that we check for
185 all references that they are valid.
186
187 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
188 Be default we will fail if the path name we try to canonicalize is too long.
189 This however could cause issues with some things (bug #94630 and #21766), so
190 if fail_nametoolong == 0, canonicalize() will return a null length string and
191 do not fail.
192
193 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
194 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
195 make sure we re-export the new TMPDIR environment variable.
196
197 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
198 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
199 by Marcus D. Hanwell <cryos@gentoo.org>.
200
201 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
202 Add /dev/console to write list, bug #38588.
203
204* sandbox-1.2.8 (2005/05/13)
205
206 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
207 sandbox.h, sandbox_futils.c:
208 General cleanups.
209
210 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
211 sandbox.h:
212 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
213
214 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
215 sandbox.h, sandbox_futils.c:
216 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
217 to use TMPDIR if present in environment.
218
219 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
220 Remove sandbox_log_file from main() as its no longer used.
221
222 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
223 sandbox_futils.c:
224 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
225 if already exported when sandbox started). Fix get_sandbox_log() and new
226 get_sandbox_debug_log() to not use already exported environment variables if
227 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
228 SB_PATH_MAX fixes.
229
230* sandbox-1.2.7 (2005/05/12)
231
232 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
233 sandbox_futils.c:
234 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
235
236 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
237 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
238 with '(null)' in it if we did not call sandbox with absolute path.
239
240 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
241 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
242 for the child.
243
244 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
245 Remove global preload_adaptable as it is no longer used.
246
247 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
248 Rewrite environment stuff to only be set when execve'ing the child process
249 to try and avoid issues like bug #91541 that causes sandbox to crash if
250 we set LD_PRELOAD sandbox side already.
251
252 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
253 Move print_sandbox_log() up to make things neater.
254
255 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
256 Remove load_preload_libs(), as its not used anymore.
257
258 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
259 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
260
261 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
262 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
263
264 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
265 Remove ld.so.preload crap - we are not going to use it again.
266
267 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
268 Fix typo in code that checks if we got valid group information, causing a
269 segmentation fault, bug #91637.
270
271* sandbox-1.2.6 (2005/05/10)
272
273 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
274 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
275 for some odd reason, bug #91541.
276
277 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
278 Fix typo (sizeof -> strlen).
279
280 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
281 rewrote the sbcontext caching code so it accounts for env changes since lib
282 initialization.
283
284 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
285 We create libctest.c via configure, so no need to keep it around. Do some
286 cleanup related to libctest.c and libctest during configure.
287
288 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
289 Add rename support of symlinks pointing to protected files/directories.
290
291* sandbox-1.2.5 (2005/05/04)
292
293 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
294 sandbox.bashrc:
295 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
296 already set, init of the env vars fails for some reason, so do this later on,
297 and do not warn (bug #91431).
298
299 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
300 sandbox.bashrc:
301 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
302
303* sandbox-1.2.4 (2005/05/03)
304
305 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
306 Do not init the env entries with each call, as it creates too many calls to
307 lstat, etc. Should speedup things a bit, bug #91040.
308
309 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
310 Add /dev/pty to default write list. Noticed by Morfic.
311
312 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
313 sandbox.h:
314 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
315 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
316
317* sandbox-1.2.3 (2005/04/29)
318
319 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
320 Do not check for (*&#$(* CXX or F77.
321
322 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
323 Do not append '/' to pathname in filter_path() if it already ends with it.
324
325 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
326 With az's help, clean up autotools to work with cross-compiling.
327
328* sandbox-1.2.2 (2005/04/28)
4 329
5 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c: 330 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 331 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
7 have issues; bug #90592. 332 have issues; bug #90592.
8 333
9* sandbox-1.2.1 334* sandbox-1.2.1 (2005/04/23)
10 335
11 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c, 336 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
12 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c: 337 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
13 Make sure all functions used in libsandbox.c is declared static. Define 338 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 339 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
15 linking with its object. Hopefully this will fix bug #90153. 340 linking with its object. Hopefully this will fix bug #90153.
16 341
17* sandbox-1.2 342* sandbox-1.2 (2005/04/23)
18 343
19 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c: 344 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
20 Allow lchown a symlink in write-allowed path pointing to write-denied 345 Allow lchown a symlink in write-allowed path pointing to write-denied
21 target. 346 target.
22 347

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