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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 Cleanup local defines for egetcwd() and erealpath().
28
29 Rename filter_path() to resolve_path() and other renames for clarity.
30
31 Fixup SANDBOX_ON handling after already running changes.
32
33 Use egetcwd() in sandbox.c.
34
35 Rather use fstat() to get file size in file_length() than lseek().
36
37 Wrap mknod() as well. Misc cleanups.
38
39 Wrap mkfifo() as it seems it was missing.
40
41 28 Nov 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, sandbox.c,
42 sandbox_fdutils.c:
43
44 Detect if we on 64bit arch automatically.
45
46 Update contact email. Fix quoting.
47
48 Revert 64bit arch test, as we should build the 32bit version without full
49 path checking as well, and add --enable-multilib switch to configure.
50
51* sandbox-1.2.14 (2005/11/28)
52
53 28 Nov 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
54 sandbox.c, sandbox.h, sandbox.bashrc:
55
56 Check generic getcwd()'s return as well for validity, bug #101728.
57
58 Cleanup environ variables.
59
60 Rather check SANDBOX_ACTIVE if we are already running. Set SANDBOX_ACTIVE
61 to readonly in sandbox.bashrc.
62
63 Make sure we use our bashrc.
64
65 01 Nov 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
66
67 Do not pass mode to true_open and true_open64 if not needed. Should fix a
68 segfault in some cases.
69
70* sandbox-1.2.13 (2005/09/12)
71
72 12 Sep 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, libsandbox.c:
73
74 Do not handle adding working directory to SANDBOX_WRITE, as portage does it
75 itself.
76
77 Make libsb_fini() do cleanup a bit more complete just in case we get another
78 uClibc 'call preloaded library fini before that of app' issue ... probably
79 will not help much, but we try.
80
81 04 Sep 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
82
83 Also allow symlink() system call to operate on a symlink in a writable path
84 that points to non-writable path, bug #104711.
85
86* sandbox-1.2.12 (2005/08/05)
87
88 05 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
89 sandbox.h:
90
91 Do not give an access violation if the access() system call do not have
92 write/read access - it does not actually modify, so we only need to return
93 not being able to write/read. Noted by Andres Loeh <kosmikus@gentoo.org>,
94 bug #101433.
95
96 If we are called from the command line, do not care about PORTAGE_TMPDIR,
97 and make the current directory the work directory. Also rename the variable
98 portage_tmp_dir to work_dir.
99
100 Remove the tmp_dir variable - we do not need it.
101
102 Improve error handling for get_sandbox_*_envvar() functions.
103
104 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
105
106 Still do normal log if debugging is requested.
107
108 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
109 to only enable if equal to "1" or "yes".
110
111 Add /dev/tts to write permit, bug #42809.
112
113 27 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
114 sandbox_futils.c:
115
116 Do not resolve symlinks in PORTAGE_TMPDIR in sandbox .. we will handle that
117 in libsandbox .. bug #100309.
118
119 22 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h:
120
121 Print all logging to stderr, bug #90343, comment #15, by Zac Medico.
122
123* sandbox-1.2.11 (2005/07/14)
124
125 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
126 Fix getcwd, bug #98419.
127
128 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
129 libsandbox.c:
130 - Try to cleanup and make error handling/printing consistent.
131 - Remove old logs if present and conflicting with current.
132 - Fix compile error with previous change, and return rather then exit().
133
134 07 July 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
135 sandbox.h, sandbox_futils.c:
136 - Fix possible segfault in env init code.
137 - Major cleanup of sandbox_futils.c. Removed most of the functions as we now
138 write to /var/log/sandbox/, so in theory do not need all that.
139 - Redo the interface of the get_* functions so that we do not leak memory.
140 - Remove sandbox_dir and co - we are not using it anymore.
141 - Remove unused includes and variables.
142 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
143 OUTSIDE_LIBSANDBOX is not defined.
144 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
145 printing's last line not honouring NOCOLOR.
146
147 06 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.h, sandbox_futils.c,
148 libsandbox.c:
149 - Change log dir to /var/log/sandbox/. Make sure the sandboxed process cannot
150 write to it.
151 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
152 - Add check_prefixes() with major cleanup on check_access().
153 - Cleanup init_env_entries() and check_prefixes().
154
155 05 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
156 sandbox_futils.c, libsandbox.c:
157 Remove unused 'pids file' code.
158
159* sandbox-1.2.10 (2005/07/03)
160
161 03 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
162 Add PREDICT items for nss-db, bug #92079. Patch from Robin Johnson.
163
164 17 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
165 General cleanups:
166 - Remove fooling around with exit codes - we error out on presence of a log
167 anyhow.
168 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
169 appropriate there.
170
171 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
172 Cleanup the fail_nametoolong stuff a bit more.
173
174 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
175 Remove hopefully the last ld.so.preload bits we do not use anymore.
176
177 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
178 Remove the unneeded canonicalize() calls in the wrappers - we do it anyhow
179 in check_syscall(). Should speed things up a bit (at least for the getcwd()
180 and long path name test it goes down to under a second, and not 10+ seconds
181 like before). Also warn if we skip checking due to the canonicalized path
182 being too long.
183
184 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
185 More comment/readability cleanups.
186
187 10 June 2005; Martin Schlemmer <azarah@gentoo.org> canonicalize.c, getcwd.c,
188 sandbox_futils.c, libsandbox.c:
189 Some strncpy/strncat and other cleanups.
190
191* sandbox-1.2.9 (2005/06/09)
192
193 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
194 Move symlink hack down a bit to try and minimize on the amount of lstat()
195 calls we do.
196
197 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
198 Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
199
200 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
201 Add wrapper for access() function, bug #85413.
202
203 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
204 Use generic getcwd() implementation from uclibc - should be more portable
205 and looks a bit cleaner.
206
207 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
208 Make sure our true_* pointers are initialized to NULL, and that we check for
209 all references that they are valid.
210
211 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
212 Be default we will fail if the path name we try to canonicalize is too long.
213 This however could cause issues with some things (bug #94630 and #21766), so
214 if fail_nametoolong == 0, canonicalize() will return a null length string and
215 do not fail.
216
217 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
218 Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
219 make sure we re-export the new TMPDIR environment variable.
220
221 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
222 Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
223 by Marcus D. Hanwell <cryos@gentoo.org>.
224
225 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
226 Add /dev/console to write list, bug #38588.
227
228* sandbox-1.2.8 (2005/05/13)
229
230 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
231 sandbox.h, sandbox_futils.c:
232 General cleanups.
233
234 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
235 sandbox.h:
236 Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
237
238 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
239 sandbox.h, sandbox_futils.c:
240 Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
241 to use TMPDIR if present in environment.
242
243 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
244 Remove sandbox_log_file from main() as its no longer used.
245
246 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
247 sandbox_futils.c:
248 Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
249 if already exported when sandbox started). Fix get_sandbox_log() and new
250 get_sandbox_debug_log() to not use already exported environment variables if
251 they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
252 SB_PATH_MAX fixes.
253
254* sandbox-1.2.7 (2005/05/12)
255
256 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
257 sandbox_futils.c:
258 More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
259
260 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
261 Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
262 with '(null)' in it if we did not call sandbox with absolute path.
263
264 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
265 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
266 for the child.
267
268 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
269 Remove global preload_adaptable as it is no longer used.
270
271 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
272 Rewrite environment stuff to only be set when execve'ing the child process
273 to try and avoid issues like bug #91541 that causes sandbox to crash if
274 we set LD_PRELOAD sandbox side already.
275
276 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
277 Move print_sandbox_log() up to make things neater.
278
279 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
280 Remove load_preload_libs(), as its not used anymore.
281
282 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
283 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
284
285 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
286 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
287
288 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
289 Remove ld.so.preload crap - we are not going to use it again.
290
291 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
292 Fix typo in code that checks if we got valid group information, causing a
293 segmentation fault, bug #91637.
294
295* sandbox-1.2.6 (2005/05/10)
296
297 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
298 Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
299 for some odd reason, bug #91541.
300
301 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
302 Fix typo (sizeof -> strlen).
303
304 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
305 rewrote the sbcontext caching code so it accounts for env changes since lib
306 initialization.
307
308 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
309 We create libctest.c via configure, so no need to keep it around. Do some
310 cleanup related to libctest.c and libctest during configure.
311
312 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
313 Add rename support of symlinks pointing to protected files/directories.
314
315* sandbox-1.2.5 (2005/05/04)
316
317 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
318 sandbox.bashrc:
319 Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
320 already set, init of the env vars fails for some reason, so do this later on,
321 and do not warn (bug #91431).
322
323 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
324 sandbox.bashrc:
325 Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
326
327* sandbox-1.2.4 (2005/05/03)
328
329 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
330 Do not init the env entries with each call, as it creates too many calls to
331 lstat, etc. Should speedup things a bit, bug #91040.
332
333 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
334 Add /dev/pty to default write list. Noticed by Morfic.
335
336 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
337 sandbox.h:
338 uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
339 exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
340
341* sandbox-1.2.3 (2005/04/29)
342
343 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
344 Do not check for (*&#$(* CXX or F77.
345
346 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
347 Do not append '/' to pathname in filter_path() if it already ends with it.
348
349 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
350 With az's help, clean up autotools to work with cross-compiling.
351
352* sandbox-1.2.2 (2005/04/28)
4 353
5 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c: 354 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 355 Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
7 have issues; bug #90592. 356 have issues; bug #90592.
8 357
9* sandbox-1.2.1 358* sandbox-1.2.1 (2005/04/23)
10 359
11 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c, 360 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
12 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c: 361 getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
13 Make sure all functions used in libsandbox.c is declared static. Define 362 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 363 SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
15 linking with its object. Hopefully this will fix bug #90153. 364 linking with its object. Hopefully this will fix bug #90153.
16 365
17* sandbox-1.2 366* sandbox-1.2 (2005/04/23)
18 367
19 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c: 368 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
20 Allow lchown a symlink in write-allowed path pointing to write-denied 369 Allow lchown a symlink in write-allowed path pointing to write-denied
21 target. 370 target.
22 371

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