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Revision 186 - (hide annotations) (download)
Wed Nov 30 23:27:59 2005 UTC (8 years, 4 months ago) by azarah
Original Path: trunk/ChangeLog
File size: 30463 byte(s)
Rename configure.in to configure.ac.
1 ferringb 2 # ChangeLog for Path Sandbox
2 vapier 53 # Copyright 1999-2005 Gentoo Foundation; Distributed under the GPL v2
3 ferringb 2 # $Header$
4    
5 azarah 183 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 azarah 184 src/libsandbox.c, src/getcwd.c, src/sandbox.c, data/sandbox.bashrc:
9 azarah 183
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 azarah 184 Only check SANDBOX_ACTIVE, and not its value. More BASH_ENV fixes.
14    
15 azarah 186 Rename configure.in to configure.ac.
16    
17 azarah 183 28 Nov 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, sandbox.c,
18 azarah 181 sandbox_fdutils.c:
19 azarah 179
20     Detect if we on 64bit arch automatically.
21    
22 azarah 180 Update contact email. Fix quoting.
23    
24 azarah 181 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 azarah 176 * sandbox-1.2.14 (2005/11/28)
28    
29 azarah 183 28 Nov 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
30 azarah 174 sandbox.c, sandbox.h, sandbox.bashrc:
31 azarah 172
32     Check generic getcwd()'s return as well for validity, bug #101728.
33    
34 azarah 173 Cleanup environ variables.
35    
36 azarah 174 Rather check SANDBOX_ACTIVE if we are already running. Set SANDBOX_ACTIVE
37     to readonly in sandbox.bashrc.
38    
39 azarah 175 Make sure we use our bashrc.
40    
41 azarah 170 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 azarah 169 * sandbox-1.2.13 (2005/09/12)
47 azarah 167
48 azarah 166 12 Sep 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, libsandbox.c:
49 azarah 165
50     Do not handle adding working directory to SANDBOX_WRITE, as portage does it
51     itself.
52    
53 azarah 166 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 azarah 164 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 azarah 160 * sandbox-1.2.12 (2005/08/05)
63    
64 azarah 159 05 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
65     sandbox.h:
66 azarah 156
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 azarah 157 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 azarah 158 Remove the tmp_dir variable - we do not need it.
77    
78 azarah 159 Improve error handling for get_sandbox_*_envvar() functions.
79    
80 azarah 153 01 Aug 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
81    
82     Still do normal log if debugging is requested.
83    
84 azarah 154 Add support for SANDBOX_VERBOSE (enabled by default). Adjust SANDBOX_DEBUG
85     to only enable if equal to "1" or "yes".
86    
87 azarah 155 Add /dev/tts to write permit, bug #42809.
88    
89 azarah 152 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 azarah 151 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 azarah 149 * sandbox-1.2.11 (2005/07/14)
100    
101 azarah 148 14 July 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
102     Fix getcwd, bug #98419.
103    
104 azarah 145 08 July 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c,
105     libsandbox.c:
106 azarah 146 - Try to cleanup and make error handling/printing consistent.
107     - Remove old logs if present and conflicting with current.
108 azarah 147 - Fix compile error with previous change, and return rather then exit().
109 azarah 145
110 azarah 139 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 azarah 140 - Redo the interface of the get_* functions so that we do not leak memory.
116 azarah 141 - Remove sandbox_dir and co - we are not using it anymore.
117 azarah 142 - Remove unused includes and variables.
118 azarah 143 - Only declare functions in sandbox_futils.c that are used in libsandbox.c when
119     OUTSIDE_LIBSANDBOX is not defined.
120 azarah 144 - Cleanup access/log printing. Make access printing honour NOCOLOR. Fix log
121     printing's last line not honouring NOCOLOR.
122 azarah 138
123 azarah 134 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 azarah 135 - Clean up logging in libsandbox.c, and hopefully make it more consistant.
128 azarah 136 - Add check_prefixes() with major cleanup on check_access().
129 azarah 137 - Cleanup init_env_entries() and check_prefixes().
130 azarah 134
131 azarah 133 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 azarah 128 * sandbox-1.2.10 (2005/07/03)
136    
137 azarah 126 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 azarah 123 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 azarah 124 - Move get_sandbox_*_envvar() to sandbox_setup_environ(), as its more
145     appropriate there.
146 azarah 123
147 azarah 121 12 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
148     Cleanup the fail_nametoolong stuff a bit more.
149    
150 azarah 118 11 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
151 azarah 120 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 azarah 119 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 azarah 118 More comment/readability cleanups.
162    
163 azarah 117 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 azarah 115 * sandbox-1.2.9 (2005/06/09)
168    
169 azarah 114 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 azarah 113 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 azarah 112 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
177     Add wrapper for access() function, bug #85413.
178    
179 azarah 111 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 azarah 110 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 azarah 109 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 azarah 108 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 azarah 106 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 azarah 105 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
202     Add /dev/console to write list, bug #38588.
203    
204 azarah 102 * sandbox-1.2.8 (2005/05/13)
205    
206 azarah 99 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
207 azarah 101 sandbox.h, sandbox_futils.c:
208     General cleanups.
209    
210     13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
211 azarah 100 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 azarah 99 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 azarah 98 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
220     Remove sandbox_log_file from main() as its no longer used.
221    
222 azarah 97 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 azarah 94 * sandbox-1.2.7 (2005/05/12)
231    
232 azarah 93 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 azarah 92 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 azarah 89 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
241 azarah 91 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 azarah 90 Remove global preload_adaptable as it is no longer used.
246    
247     12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
248 azarah 89 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 azarah 87 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
253 azarah 88 Move print_sandbox_log() up to make things neater.
254    
255     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
256 azarah 87 Remove load_preload_libs(), as its not used anymore.
257    
258 azarah 83 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
259 azarah 86 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 azarah 84 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 azarah 83 Remove ld.so.preload crap - we are not going to use it again.
266    
267 azarah 82 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 azarah 79 * sandbox-1.2.6 (2005/05/10)
272    
273 azarah 78 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 azarah 77 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
278     Fix typo (sizeof -> strlen).
279    
280 ferringb 76 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 azarah 75 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 azarah 74 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
289     Add rename support of symlinks pointing to protected files/directories.
290    
291 azarah 72 * sandbox-1.2.5 (2005/05/04)
292    
293 azarah 71 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 azarah 70 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 azarah 68 * sandbox-1.2.4 (2005/05/03)
304    
305 azarah 66 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 azarah 67 lstat, etc. Should speedup things a bit, bug #91040.
308 azarah 66
309 azarah 65 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
310     Add /dev/pty to default write list. Noticed by Morfic.
311    
312 vapier 62 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 azarah 59 * sandbox-1.2.3 (2005/04/29)
318    
319 azarah 56 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
320     Do not check for (*&#$(* CXX or F77.
321    
322 azarah 54 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 vapier 53 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 azarah 59 * sandbox-1.2.2 (2005/04/28)
329 azarah 48
330 azarah 47 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
331     Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
332     have issues; bug #90592.
333    
334 azarah 59 * sandbox-1.2.1 (2005/04/23)
335 azarah 44
336 azarah 43 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
337     getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
338     Make sure all functions used in libsandbox.c is declared static. Define
339     SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
340     linking with its object. Hopefully this will fix bug #90153.
341    
342 azarah 59 * sandbox-1.2 (2005/04/23)
343 azarah 46
344 azarah 40 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
345     Allow lchown a symlink in write-allowed path pointing to write-denied
346     target.
347    
348 genone 39 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
349     Also show resolved symlink names in the log.
350    
351 azarah 37 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
352     Seems -nostdlib was the problem with the constructor/destructor - remove it
353     from Makefile.am, and change the constructor/destructor names again.
354    
355 azarah 36 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
356     Also rename the _init() and _fini() declarations.
357    
358 azarah 35 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
359     Fixup the constructor/destructor function names again (they should be _init()
360     and _fini() it seems, and not being called caused sandbox_lib_path to be
361     unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
362     Add both the path in given SANDBOX_x variable, as well as its symlink
363     resolved path in init_env_entries(). Modify filter_path() to be able to
364     resolve paths without resolving symlinks, as well as to be able to resolve
365     symlinks. Fix a possible segfault in check_access(). Add symlink resolving
366     to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
367     for bug #31019 cause access violations if we try to remove a symlink that is
368     not in protected path, but points to a protected path. Fix a memory leak in
369     sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
370     (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
371     (pid_string was uninitialized). General syntax cleanups.
372    
373 ferringb 34 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
374     infamous "pids file is not a regular file" w/out newline bug.
375    
376 ferringb 33 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
377     Correct libc_version path detection, since it was screwing up if libdir !=
378     "/lib/".
379    
380     02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
381 azarah 32 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
382    
383 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
384 azarah 31 Fix symbols.in not added to dist.
385    
386 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
387 azarah 30 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
388     White space fixes.
389    
390 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
391 azarah 30 configure.in, getcwd.c, libsandbox.c, symbols.in:
392 azarah 29 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
393     getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
394     for glibc and other libc's that use this. Update libsandbox.c to use these
395     symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
396     process unset it.
397    
398 ferringb 33 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
399 ferringb 28 killed off _init and _fini in favor of
400     void __attribute__ ((constructor)) init_func and
401     void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
402    
403 ferringb 26 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
404     canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
405     having the hick-ups.
406    
407 ferringb 24 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
408     Makefile.am: Fixed compilation.
409    
410 ferringb 18 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
411     Gutted the bugger so it stops checking for a c++ and fortran compiler.
412     Do *not* regenerate aclocal.m4 for making a release until a better
413     solution is created.
414    
415 ferringb 16 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, sandbox_futils.c:
416     Removal of more hardcoded paths.
417    
418 ferringb 13 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in,
419     sandbox_futils.c: tweaks to install sandbox.bashrc, and use it.
420    
421     19 Nov 2004; Brian Harring <ferringb@gentoo.org>:
422 ferringb 6 Sandbox is now autotooled, create-localdecls needs to be killed and the code
423     shifted into configure.in. Currently builds *one* libsandbox.so- if multiple
424     are desired (-m64 and -m32 for amd64), the ebuild should do it (imo).
425     To get to a point of testing, automake && autoconf; created requisite files w/
426     a(utomake|clocal)-1.8, and autoconf 2.59. Installs to /usr/, instead of
427     /lib and /usr/lib/portage/bin.
428    
429 ferringb 2 14 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox.c:
430     closing out bug #70225, potential overflow of the sandbox_pids_file var.
431    
432     07 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c: c99 standard,
433     (think it was at least) allows intermixing of code and data segments. bug #70351
434     should be fixed by this.
435    
436     03 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox_futils.c:
437     futils fix from bug #65201 via solar, and libsandbox log path checks via #69137
438    
439     02 Aug 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Code from
440     Seth Robertson that tracked down all adjuct flags for read operations that
441     do not invoke a write operation.
442    
443     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
444     Another fix from jstubbs regarding a free() on a stack variable for the
445     environment -- tracking now prevents extraneous free()'s segfault.
446    
447     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
448     J. Stubbs tracked down a new bug where mkdir was failing to the patch on
449     the lstat in mkdir... it now only returns 0 or -1 as documented for mkdir.
450     Also remove the errno = ESUCCESS settings as documentation points out that
451     a library isn't allowed to do that.
452    
453     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Added a
454     file_security_check() function to check random potential exploits on files
455     that sandbox is to load and read -- Normally sandboxpids.tmp. This fixes
456     the 'system-crippling' exploits (bug 21923) and catches a few other
457     potential problems.
458    
459     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> Makefile: Updates for
460     32/64 bit sandbox. Made CC and LD '?=' values to allow passed in CC to work.
461    
462     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c:
463     bug 42048 -- Fixed the lstat/errno conditions for mkdir <caleb@g.o>.
464     Added the 64/32 bit sandbox patch for AMD64 bug 32963 <brad/azarah>.
465    
466     29 Feb 2004; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c :
467     Fix permissions and group of pids file and logs. Permissions should be 0664
468     and group should be 'portage'. Bug #34260.
469    
470     28 Feb 2004; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
471     Besides a small cleanup, redo how we replace LD_PRELOAD in the environ passed
472     to the real execve (in our execve wrapper). Seems that on some arches (sparc
473     among others) do not allow us to tamper with the readonly copy passed to
474     execve, so pass our own copy of the environment. Bug #42290.
475    
476     11 Jan 2004; Nicholas Jones <carpaski@gentoo.org> create-decls:
477     Changed tail to head and added a notice about duration of glibc check.
478    
479     21 Dec 2003; Nicholas Jones <carpaski@gentoo.org> create-decls:
480     Changed the glibc subversion check to use /usr/bin/* instead of /bin/sh
481     as there isn't a guarentee that it is dynamic.
482    
483     02 Nov 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
484     If 'file' passed to before_syscall(const char *func, const char *file) is
485     invalid, we should set errno to ENOENT, and not EINVAL. This should
486     close bug #32238.
487    
488     14 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
489     Fix a bug that occurs mainly on 64bit arch, where the file passed to
490     the functions we wrap, is invalid, and then cause canonicalize to pass
491     garbage to before_syscall(), thanks to great detective work from
492     Andrea Luzzardi <al@sig11.org> (bug #29846).
493    
494     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
495     Add a uClibc detection patch from Peter S. Mazinger <ps.m@gmx.net>.
496    
497     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
498     Fix a bug in libsandbox.c 's checking in the rename wrapper - it basically
499     only checked the destination patch, and not the source, so we could move
500     a protected file to a unprotected directory, and then delete/modify it.
501     Thanks to Andrea Luzzardi (scox) <al@sig11.org>, bug #30992, for this fix.
502    
503     12 Oct 2003; Nicholas Jones <carpaski@gentoo.org> sandbox.c :
504     Added python2.3 to the predict section/variable.
505    
506     28 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
507     sandbox.h, sandbox_futils.c :
508     Add support to set the pids file via SANDBOX_PIDS_FILE at startup. If
509     it is not set, it will revert to its old value.
510    
511     27 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
512     Fix our mkdir wrapper to check if the dir exist, and return EEXIST if so,
513     rather than failing with a violation, bug #29748.
514    
515     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
516     Fix canonicalize() to ignore calls with path = "".
517    
518     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
519     sandbox_futils.c, canonicalize.c :
520     Once again coreutils fails, as my systems had 2.5 kernel, the getcwd system
521     call handled strings larger than PATH_MAX (bug #21766). It however does not
522     work the same on 2.4 kernels.
523    
524     To fix, I added the posix implementation of getcwd() (from glibc cvs) that
525     do not need the system call. We use the default getcwd() function via a
526     wrapper (egetcwd), and then lstat the returned path. If lstat fails, it
527     means the current directory was removed, OR that the the system call for
528     getcwd failed (curious is that it do not fail and return NULL or set
529     errno, but rather just truncate the retured directory - usually from the
530     start), and if so, we use the generic getcwd() function (__egetcwd). Note
531     that we do not use the generic version all the time, as it calls lstat()
532     a great number of times, and performance degrade much.
533    
534     29 Jun 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls,
535     libsandbox.c :
536     Make sure SB_PATH_MAX will not wrap. Fix two possible memory leaks.
537    
538     22 Jun 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, canonicalize.c
539     create-localdecls :
540     When checking path names of files accessed, we need to canonicalize it, else
541     it may be a symlink in a 'write allowed' directory pointing to a file in a
542     directory we should not have write access to.
543    
544     With something like coreutils-5.0, we have two problems:
545     1) One of the tests checks if getcwd() can return a path longer than
546     PATH_MAX. This test then tries to create a dir which even while
547     created local (mkdir("conftest2")), it ends up being resolved with
548     a name that is much larger than PATH_MAX. The problem now is that
549     canonicalize() have undefined behaviour when the path was too long
550     (returned wrongly truncated paths, etc), and pass the wrong path to
551     before_syscall() (causing the bogus sandbox violations).
552     2) The ecanonicalize() function we used, along with the canonicalize()
553     function did not support longer than PATH_MAX. This is partly a
554     cause for 1), but the error checking (rather lack of it) of calls
555     to erealpath() in canonicalize() was the prime reason for 1).
556    
557     As we do not use this canonicalized name to call the function, we resolve this
558     by fixing canonicalize() to do better error checking, and ecanonicalize() as
559     well as all functions in libsandbox.c to use a PATH_MAX of 'PATH_MAX * 2'.
560     While they will resolve paths properly now, and can check if a write/read is
561     allowed, the functions called from the sandboxed environment will still work
562     as expected.
563    
564     This should resolve bug #21766.
565    
566     06 Apr 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
567     For some reason sandbox fails with a 'open_wr' if you run 'locale -a' under
568     it (bug #16298).
569    
570     Problem is that for some reason locale fopen's locale.alias with mode "rm".
571    
572     -------------------------------------------------------
573     nosferatu root # grep fopen locale.log
574     fopen("/usr/share/locale/locale.alias", "rm"ACCESS DENIED open_wr: /usr/share/locale/locale.alias
575     nosferatu root #
576     --------------------------------------------------------
577    
578     I checked the source of locale, but it have fopen with mode 'r', so
579     not sure where the "rm" mode comes from. Anyhow, changed the check in
580     before_syscall_open_char() to also see mode "rm" as readonly.
581    
582     23 Feb 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
583    
584     Add glibc-2.3 support.
585    
586     22 Feb 2003; Martin Schlemmer <azarah@gentoo.org> sandbox.c :
587    
588     Some /etc/ld.so.preload fixes. Just changed the #if defines to cover all
589     operations releated to preload, as well as only try to modify ld.so.preload
590     if we can. Also modify to write the pid to /tmp/sandboxpids.tmp even when
591     not using ld.so.preload. Fix to not write this instance of sandbox's pid
592     to /tmp/sandboxpids.tmp on exit if this is not the last sandbox running.
593    
594     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> Makefile :
595    
596     Changed the LD to CC for hppa.
597    
598     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
599    
600     Killed the previous changes I made.
601    
602     17 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
603    
604     Added parisc to BROKEN_RTLD_ARCHLIST to see if it we can fix the relocation probs.
605    
606     09 Jan 2003; J Robert Ray <jrray@gentoo.org> sandbox.c :
607    
608     Don't segfault if $HOME isn't set, set $HOME to "/" instead. Fixes bug 10868.
609    
610     16 Dec 2002; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
611    
612     Fix memory leak for mips, bug #12236. Thanks to Torgeir Hansen <torgeir@trenger.ro>
613     for this fix.
614    
615     4 Dec 2002; J Robert Ray <jrray@gentoo.org> sandbox.h sandbox_futils.c :
616    
617     sandbox_futils defined a dirname() function that was masking the same
618     function in glibc and was broken (e.g.: SANDBOX_DIR was being set to
619     '/usr/lib/portage/bi/'). Fixed function to return expected results and
620     renamed it to sb_dirname() to no longer mask the glibc function. Closes bug
621     11231.
622    
623     4 Dec 2002; Martin Schlemmer <azarah@gentoo.org> :
624    
625     Fix a segfault in libsandbox.c if canonicalize() was called with
626     first parameter = NULL.
627    
628     1 Sep 2002; Martin Schlemmer <azarah@gentoo.org> :
629    
630     Fix my braindead 'return 1;' in a void function. Updated sandbox.c,
631     cleanup() for this.
632    
633     Change cleanup() in sandbox.c not to exit with fail status if
634     the pidsfile is missing. We really should still display sandbox
635     violations if they occured.
636    
637     31 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
638    
639     Update cleanup() in sandbox.c to remove the PIDSFILE if this is
640     the last sandbox running.
641    
642     25 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
643    
644     Major cleanups to mainly libsandbox.c again.
645    
646     22 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
647    
648     Add copyrights to sandbox.h and sandbox_futils.h. If wrong, the
649     parties involved should please contact me so that we can fix it.
650    
651     Add opendir wrapper to libsandbox.c.
652    
653     21 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
654    
655     Do some more cleanups to ecanonicalize(), as it dropped filenames in
656     rare cases (after my symlink cleanups), and caused glibc to bork.
657     These fixes went into canonicalize.c.
658    
659     20 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
660    
661     Fix spawn_shell() and main() in sandbox.c to properly return fail
662     status.
663    
664     19 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
665    
666     The new canonicalize() function in libsandbox.c also resolved symlinks,
667     which caused on cleaning sandbox errors if the symlink pointed to a
668     file in the live root. Ripped out canonicalize() and realpath() from
669     glibc; removed the symlink stuff, and changed them to ecanonicalize()
670     and erealpath().
671    
672     18 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
673    
674     Ripped out all the wrappers, and implemented those of InstallWatch.
675     Losts of cleanups and bugfixes. Implement a execve that forces
676     $LIBSANDBOX in $LD_PRELOAD. We can now thus do away with the feared
677     /etc/ld.so.preload (*g*) ... Made the needed changes to sandbox.c,
678     sandbox.h and sandbox_futils.c. Rewrote the Makefile for most
679     parts; it now have an install target.
680    
681     Reformat the whole thing to look somewhat like the reworked sandbox.c
682     and new sandbox.h and sandbox_futils.c from:
683    
684     Brad House <brad@mainstreetsoftworks.com>.
685    
686     Additional Copyrights now due to the InstallWatch code:
687    
688     Copyright (C) 1998-9 Pancrazio `Ezio' de Mauro <p@demauro.net>

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