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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 Fix non-versioned libc's to also prepend '__' to internal symbols by using
18 strong aliases.
19
20 28 Nov 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, sandbox.c,
21 sandbox_fdutils.c:
22
23 Detect if we on 64bit arch automatically.
24
25 Update contact email. Fix quoting.
26
27 Revert 64bit arch test, as we should build the 32bit version without full
28 path checking as well, and add --enable-multilib switch to configure.
29
30* sandbox-1.2.14 (2005/11/28)
31
32 28 Nov 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
33 sandbox.c, sandbox.h, sandbox.bashrc:
34
35 Check generic getcwd()'s return as well for validity, bug #101728.
36
37 Cleanup environ variables.
38
39 Rather check SANDBOX_ACTIVE if we are already running. Set SANDBOX_ACTIVE
40 to readonly in sandbox.bashrc.
41
42 Make sure we use our bashrc.
43
44 01 Nov 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
45
46 Do not pass mode to true_open and true_open64 if not needed. Should fix a
47 segfault in some cases.
48
49* sandbox-1.2.13 (2005/09/12)
50
51 12 Sep 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, libsandbox.c:
52
53 Do not handle adding working directory to SANDBOX_WRITE, as portage does it
54 itself.
55
56 Make libsb_fini() do cleanup a bit more complete just in case we get another
57 uClibc 'call preloaded library fini before that of app' issue ... probably
58 will not help much, but we try.
59
60 04 Sep 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
61
62 Also allow symlink() system call to operate on a symlink in a writable path
63 that points to non-writable path, bug #104711.
64
65* sandbox-1.2.12 (2005/08/05)
66
67 05 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
68 sandbox.h:
69
70 Do not give an access violation if the access() system call do not have
71 write/read access - it does not actually modify, so we only need to return
72 not being able to write/read. Noted by Andres Loeh <kosmikus@gentoo.org>,
73 bug #101433.
74
75 If we are called from the command line, do not care about PORTAGE_TMPDIR,
76 and make the current directory the work directory. Also rename the variable
77 portage_tmp_dir to work_dir.
78
79 Remove the tmp_dir variable - we do not need it.
80
81 Improve error handling for get_sandbox_*_envvar() functions.
82
83 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
84
85 Still do normal log if debugging is requested.
86
87 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
88 to only enable if equal to "1" or "yes".
89
90 Add /dev/tts to write permit, bug #42809.
91
92 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
93 sandbox_futils.c:
94
95 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
96 in libsandbox .. bug #100309.
97
98 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
99
100 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
101
102* sandbox-1.2.11 (2005/07/14)
103
104 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
105 Fix getcwd, bug #98419.
106
107 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
108 libsandbox.c:
109 - Try to cleanup and make error handling/printing consistent.
110 - Remove old logs if present and conflicting with current.
111 - Fix compile error with previous change, and return rather then exit().
112
113 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
114 sandbox.h, sandbox_futils.c:
115 - Fix possible segfault in env init code.
116 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
117 write to /var/log/sandbox/, so in theory do not need all that.
118 - Redo the interface of the get_* functions so that we do not leak memory.
119 - Remove sandbox_dir and co - we are not using it anymore.
120 - Remove unused includes and variables.
121 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
122 OUTSIDE_LIBSANDBOX is not defined.
123 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
124 printing's last line not honouring NOCOLOR.
125
126 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
127 libsandbox.c:
128 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
129 write to it.
130 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
131 - Add check_prefixes() with major cleanup on check_access().
132 - Cleanup init_env_entries() and check_prefixes().
133
134 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
135 sandbox_futils.c, libsandbox.c:
136 Remove unused 'pids file' code.
137
138* sandbox-1.2.10 (2005/07/03)
139
140 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
141 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
142
143 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
144 General cleanups:
145 - Remove fooling around with exit codes - we error out on presence of a log
146 anyhow.
147 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
148 appropriate there.
149
150 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
151 Cleanup the fail_nametoolong stuff a bit more.
152
153 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
154 Remove hopefully the last ld.so.preload bits we do not use anymore.
155
156 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
157 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
158 in check_syscall(). Should speed things up a bit (at least for the getcwd()
159 and long path name test it goes down to under a second, and not 10+ seconds
160 like before). Also warn if we skip checking due to the canonicalized path
161 being too long.
162
163 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
164 More comment/readability cleanups.
165
166 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
167 sandbox_futils.c, libsandbox.c:
168 Some strncpy/strncat and other cleanups.
169
170* sandbox-1.2.9 (2005/06/09)
171
172 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
173 Move symlink hack down a bit to try and minimize on the amount of lstat()
174 calls we do.
175
176 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
177 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
178
179 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
180 Add wrapper for access() function, bug #85413.
181
182 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
183 Use generic getcwd() implementation from uclibc - should be more portable
184 and looks a bit cleaner.
185
186 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
187 Make sure our true_* pointers are initialized to NULL, and that we check for
188 all references that they are valid.
189
190 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
191 Be default we will fail if the path name we try to canonicalize is too long.
192 This however could cause issues with some things (bug #94630 and #21766), so
193 if fail_nametoolong == 0, canonicalize() will return a null length string and
194 do not fail.
195
196 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
197 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
198 make sure we re-export the new TMPDIR environment variable.
199
200 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
201 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
202 by Marcus D. Hanwell <cryos@gentoo.org>.
203
204 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
205 Add /dev/console to write list, bug #38588.
206
207* sandbox-1.2.8 (2005/05/13)
208
209 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
210 sandbox.h, sandbox_futils.c:
211 General cleanups.
212
213 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
214 sandbox.h:
215 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
216
217 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
218 sandbox.h, sandbox_futils.c:
219 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
220 to use TMPDIR if present in environment.
221
222 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
223 Remove sandbox_log_file from main() as its no longer used.
224
225 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
226 sandbox_futils.c:
227 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
228 if already exported when sandbox started). Fix get_sandbox_log() and new
229 get_sandbox_debug_log() to not use already exported environment variables if
230 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
231 SB_PATH_MAX fixes.
232
233* sandbox-1.2.7 (2005/05/12)
234
235 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
236 sandbox_futils.c:
237 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
238
239 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
240 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
241 with '(null)' in it if we did not call sandbox with absolute path.
242
243 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
244 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
245 for the child.
246
247 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
248 Remove global preload_adaptable as it is no longer used.
249
250 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
251 Rewrite environment stuff to only be set when execve'ing the child process
252 to try and avoid issues like bug #91541 that causes sandbox to crash if
253 we set LD_PRELOAD sandbox side already.
254
255 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
256 Move print_sandbox_log() up to make things neater.
257
258 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
259 Remove load_preload_libs(), as its not used anymore.
260
261 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
262 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
263
264 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
265 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
266
267 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
268 Remove ld.so.preload crap - we are not going to use it again.
269
270 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
271 Fix typo in code that checks if we got valid group information, causing a
272 segmentation fault, bug #91637.
273
274* sandbox-1.2.6 (2005/05/10)
275
276 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
277 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
278 for some odd reason, bug #91541.
279
280 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
281 Fix typo (sizeof -> strlen).
282
283 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
284 rewrote the sbcontext caching code so it accounts for env changes since lib
285 initialization.
286
287 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
288 We create libctest.c via configure, so no need to keep it around. Do some
289 cleanup related to libctest.c and libctest during configure.
290
291 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
292 Add rename support of symlinks pointing to protected files/directories.
293
294* sandbox-1.2.5 (2005/05/04)
295
296 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
297 sandbox.bashrc:
298 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
299 already set, init of the env vars fails for some reason, so do this later on,
300 and do not warn (bug #91431).
301
302 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
303 sandbox.bashrc:
304 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
305
306* sandbox-1.2.4 (2005/05/03)
307
308 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
309 Do not init the env entries with each call, as it creates too many calls to
310 lstat, etc. Should speedup things a bit, bug #91040.
311
312 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
313 Add /dev/pty to default write list. Noticed by Morfic.
314
315 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
316 sandbox.h:
317 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
318 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
319
320* sandbox-1.2.3 (2005/04/29)
321
322 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
323 Do not check for (*&#$(* CXX or F77.
324
325 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
326 Do not append '/' to pathname in filter_path() if it already ends with it.
327
328 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
329 With az's help, clean up autotools to work with cross-compiling.
330
331* sandbox-1.2.2 (2005/04/28)
4 332
5 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c: 333 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 334 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
7 have issues; bug #90592. 335 have issues; bug #90592.
8 336
9* sandbox-1.2.1 337* sandbox-1.2.1 (2005/04/23)
10 338
11 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c, 339 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
12 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c: 340 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
13 Make sure all functions used in libsandbox.c is declared static. Define 341 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 342 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
15 linking with its object. Hopefully this will fix bug #90153. 343 linking with its object. Hopefully this will fix bug #90153.
16 344
17* sandbox-1.2 345* sandbox-1.2 (2005/04/23)
18 346
19 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c: 347 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
20 Allow lchown a symlink in write-allowed path pointing to write-denied 348 Allow lchown a symlink in write-allowed path pointing to write-denied
21 target. 349 target.
22 350

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