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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 Remove the SB_STATIC and including of getcwd.c, etc voodoo, as we new use a
21 symbol map, and all non-exported symbols are local. Cleanup getcwd.c, as
22 the generic getcwd for older 2.4 kernels do not work properly anyhow, and
23 just makes things slower. Some other warning fixes.
24
25 Rename src/symbols.in to src/symbols.h.in.
26
27 28 Nov 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, sandbox.c,
28 sandbox_fdutils.c:
29
30 Detect if we on 64bit arch automatically.
31
32 Update contact email. Fix quoting.
33
34 Revert 64bit arch test, as we should build the 32bit version without full
35 path checking as well, and add --enable-multilib switch to configure.
36
37* sandbox-1.2.14 (2005/11/28)
38
39 28 Nov 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
40 sandbox.c, sandbox.h, sandbox.bashrc:
41
42 Check generic getcwd()'s return as well for validity, bug #101728.
43
44 Cleanup environ variables.
45
46 Rather check SANDBOX_ACTIVE if we are already running. Set SANDBOX_ACTIVE
47 to readonly in sandbox.bashrc.
48
49 Make sure we use our bashrc.
50
51 01 Nov 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
52
53 Do not pass mode to true_open and true_open64 if not needed. Should fix a
54 segfault in some cases.
55
56* sandbox-1.2.13 (2005/09/12)
57
58 12 Sep 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, libsandbox.c:
59
60 Do not handle adding working directory to SANDBOX_WRITE, as portage does it
61 itself.
62
63 Make libsb_fini() do cleanup a bit more complete just in case we get another
64 uClibc 'call preloaded library fini before that of app' issue ... probably
65 will not help much, but we try.
66
67 04 Sep 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
68
69 Also allow symlink() system call to operate on a symlink in a writable path
70 that points to non-writable path, bug #104711.
71
72* sandbox-1.2.12 (2005/08/05)
73
74 05 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
75 sandbox.h:
76
77 Do not give an access violation if the access() system call do not have
78 write/read access - it does not actually modify, so we only need to return
79 not being able to write/read. Noted by Andres Loeh <kosmikus@gentoo.org>,
80 bug #101433.
81
82 If we are called from the command line, do not care about PORTAGE_TMPDIR,
83 and make the current directory the work directory. Also rename the variable
84 portage_tmp_dir to work_dir.
85
86 Remove the tmp_dir variable - we do not need it.
87
88 Improve error handling for get_sandbox_*_envvar() functions.
89
90 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
91
92 Still do normal log if debugging is requested.
93
94 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
95 to only enable if equal to "1" or "yes".
96
97 Add /dev/tts to write permit, bug #42809.
98
99 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
100 sandbox_futils.c:
101
102 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
103 in libsandbox .. bug #100309.
104
105 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
106
107 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
108
109* sandbox-1.2.11 (2005/07/14)
110
111 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
112 Fix getcwd, bug #98419.
113
114 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
115 libsandbox.c:
116 - Try to cleanup and make error handling/printing consistent.
117 - Remove old logs if present and conflicting with current.
118 - Fix compile error with previous change, and return rather then exit().
119
120 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
121 sandbox.h, sandbox_futils.c:
122 - Fix possible segfault in env init code.
123 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
124 write to /var/log/sandbox/, so in theory do not need all that.
125 - Redo the interface of the get_* functions so that we do not leak memory.
126 - Remove sandbox_dir and co - we are not using it anymore.
127 - Remove unused includes and variables.
128 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
129 OUTSIDE_LIBSANDBOX is not defined.
130 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
131 printing's last line not honouring NOCOLOR.
132
133 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
134 libsandbox.c:
135 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
136 write to it.
137 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
138 - Add check_prefixes() with major cleanup on check_access().
139 - Cleanup init_env_entries() and check_prefixes().
140
141 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
142 sandbox_futils.c, libsandbox.c:
143 Remove unused 'pids file' code.
144
145* sandbox-1.2.10 (2005/07/03)
146
147 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
148 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
149
150 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
151 General cleanups:
152 - Remove fooling around with exit codes - we error out on presence of a log
153 anyhow.
154 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
155 appropriate there.
156
157 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
158 Cleanup the fail_nametoolong stuff a bit more.
159
160 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
161 Remove hopefully the last ld.so.preload bits we do not use anymore.
162
163 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
164 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
165 in check_syscall(). Should speed things up a bit (at least for the getcwd()
166 and long path name test it goes down to under a second, and not 10+ seconds
167 like before). Also warn if we skip checking due to the canonicalized path
168 being too long.
169
170 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
171 More comment/readability cleanups.
172
173 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
174 sandbox_futils.c, libsandbox.c:
175 Some strncpy/strncat and other cleanups.
176
177* sandbox-1.2.9 (2005/06/09)
178
179 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
180 Move symlink hack down a bit to try and minimize on the amount of lstat()
181 calls we do.
182
183 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
184 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
185
186 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
187 Add wrapper for access() function, bug #85413.
188
189 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
190 Use generic getcwd() implementation from uclibc - should be more portable
191 and looks a bit cleaner.
192
193 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
194 Make sure our true_* pointers are initialized to NULL, and that we check for
195 all references that they are valid.
196
197 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
198 Be default we will fail if the path name we try to canonicalize is too long.
199 This however could cause issues with some things (bug #94630 and #21766), so
200 if fail_nametoolong == 0, canonicalize() will return a null length string and
201 do not fail.
202
203 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
204 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
205 make sure we re-export the new TMPDIR environment variable.
206
207 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
208 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
209 by Marcus D. Hanwell <cryos@gentoo.org>.
210
211 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
212 Add /dev/console to write list, bug #38588.
213
214* sandbox-1.2.8 (2005/05/13)
215
216 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
217 sandbox.h, sandbox_futils.c:
218 General cleanups.
219
220 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
221 sandbox.h:
222 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
223
224 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
225 sandbox.h, sandbox_futils.c:
226 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
227 to use TMPDIR if present in environment.
228
229 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
230 Remove sandbox_log_file from main() as its no longer used.
231
232 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
233 sandbox_futils.c:
234 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
235 if already exported when sandbox started). Fix get_sandbox_log() and new
236 get_sandbox_debug_log() to not use already exported environment variables if
237 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
238 SB_PATH_MAX fixes.
239
240* sandbox-1.2.7 (2005/05/12)
241
242 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
243 sandbox_futils.c:
244 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
245
246 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
247 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
248 with '(null)' in it if we did not call sandbox with absolute path.
249
250 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
251 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
252 for the child.
253
254 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
255 Remove global preload_adaptable as it is no longer used.
256
257 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
258 Rewrite environment stuff to only be set when execve'ing the child process
259 to try and avoid issues like bug #91541 that causes sandbox to crash if
260 we set LD_PRELOAD sandbox side already.
261
262 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
263 Move print_sandbox_log() up to make things neater.
264
265 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
266 Remove load_preload_libs(), as its not used anymore.
267
268 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
269 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
270
271 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
272 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
273
274 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
275 Remove ld.so.preload crap - we are not going to use it again.
276
277 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
278 Fix typo in code that checks if we got valid group information, causing a
279 segmentation fault, bug #91637.
280
281* sandbox-1.2.6 (2005/05/10)
282
283 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
284 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
285 for some odd reason, bug #91541.
286
287 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
288 Fix typo (sizeof -> strlen).
289
290 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
291 rewrote the sbcontext caching code so it accounts for env changes since lib
292 initialization.
293
294 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
295 We create libctest.c via configure, so no need to keep it around. Do some
296 cleanup related to libctest.c and libctest during configure.
297
298 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
299 Add rename support of symlinks pointing to protected files/directories.
300
301* sandbox-1.2.5 (2005/05/04)
302
303 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
304 sandbox.bashrc:
305 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
306 already set, init of the env vars fails for some reason, so do this later on,
307 and do not warn (bug #91431).
308
309 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
310 sandbox.bashrc:
311 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
312
313* sandbox-1.2.4 (2005/05/03)
314
315 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
316 Do not init the env entries with each call, as it creates too many calls to
317 lstat, etc. Should speedup things a bit, bug #91040.
318
319 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
320 Add /dev/pty to default write list. Noticed by Morfic.
321
322 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
323 sandbox.h:
324 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
325 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
326
327* sandbox-1.2.3 (2005/04/29)
328
329 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
330 Do not check for (*&#$(* CXX or F77.
331
332 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
333 Do not append '/' to pathname in filter_path() if it already ends with it.
334
335 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
336 With az's help, clean up autotools to work with cross-compiling.
337
338* sandbox-1.2.2 (2005/04/28)
4 339
5 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c: 340 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 341 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
7 have issues; bug #90592. 342 have issues; bug #90592.
8 343
9* sandbox-1.2.1 344* sandbox-1.2.1 (2005/04/23)
10 345
11 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c, 346 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
12 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c: 347 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
13 Make sure all functions used in libsandbox.c is declared static. Define 348 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 349 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
15 linking with its object. Hopefully this will fix bug #90153. 350 linking with its object. Hopefully this will fix bug #90153.
16 351
17* sandbox-1.2 352* sandbox-1.2 (2005/04/23)
18 353
19 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c: 354 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
20 Allow lchown a symlink in write-allowed path pointing to write-denied 355 Allow lchown a symlink in write-allowed path pointing to write-denied
21 target. 356 target.
22 357

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