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Revision 114 - (hide annotations) (download)
Thu Jun 9 16:53:13 2005 UTC (9 years, 6 months ago) by azarah
Original Path: trunk/ChangeLog
File size: 24076 byte(s)
Move symlink hack down a bit to try and minimize on the amount of lstat()
calls we do.

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 114 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
6     Move symlink hack down a bit to try and minimize on the amount of lstat()
7     calls we do.
8    
9 azarah 113 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
10     Add hack to allow writing to /proc/self/fd (or /dev/fd), bug #91516.
11    
12 azarah 112 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
13     Add wrapper for access() function, bug #85413.
14    
15 azarah 111 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
16     Use generic getcwd() implementation from uclibc - should be more portable
17     and looks a bit cleaner.
18    
19 azarah 110 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
20     Make sure our true_* pointers are initialized to NULL, and that we check for
21     all references that they are valid.
22    
23 azarah 109 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
24     Be default we will fail if the path name we try to canonicalize is too long.
25     This however could cause issues with some things (bug #94630 and #21766), so
26     if fail_nametoolong == 0, canonicalize() will return a null length string and
27     do not fail.
28    
29 azarah 108 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
30     Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
31     make sure we re-export the new TMPDIR environment variable.
32    
33 azarah 106 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
34     Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
35     by Marcus D. Hanwell <cryos@gentoo.org>.
36    
37 azarah 105 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
38     Add /dev/console to write list, bug #38588.
39    
40 azarah 102 * sandbox-1.2.8 (2005/05/13)
41    
42 azarah 99 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
43 azarah 101 sandbox.h, sandbox_futils.c:
44     General cleanups.
45    
46     13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
47 azarah 100 sandbox.h:
48     Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
49    
50     13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
51 azarah 99 sandbox.h, sandbox_futils.c:
52     Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
53     to use TMPDIR if present in environment.
54    
55 azarah 98 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
56     Remove sandbox_log_file from main() as its no longer used.
57    
58 azarah 97 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
59     sandbox_futils.c:
60     Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
61     if already exported when sandbox started). Fix get_sandbox_log() and new
62     get_sandbox_debug_log() to not use already exported environment variables if
63     they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
64     SB_PATH_MAX fixes.
65    
66 azarah 94 * sandbox-1.2.7 (2005/05/12)
67    
68 azarah 93 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
69     sandbox_futils.c:
70     More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
71    
72 azarah 92 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
73     Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
74     with '(null)' in it if we did not call sandbox with absolute path.
75    
76 azarah 89 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
77 azarah 91 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
78     for the child.
79    
80     12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
81 azarah 90 Remove global preload_adaptable as it is no longer used.
82    
83     12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
84 azarah 89 Rewrite environment stuff to only be set when execve'ing the child process
85     to try and avoid issues like bug #91541 that causes sandbox to crash if
86     we set LD_PRELOAD sandbox side already.
87    
88 azarah 87 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
89 azarah 88 Move print_sandbox_log() up to make things neater.
90    
91     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
92 azarah 87 Remove load_preload_libs(), as its not used anymore.
93    
94 azarah 83 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
95 azarah 86 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
96    
97     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
98 azarah 84 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
99    
100     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
101 azarah 83 Remove ld.so.preload crap - we are not going to use it again.
102    
103 azarah 82 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
104     Fix typo in code that checks if we got valid group information, causing a
105     segmentation fault, bug #91637.
106    
107 azarah 79 * sandbox-1.2.6 (2005/05/10)
108    
109 azarah 78 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
110     Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
111     for some odd reason, bug #91541.
112    
113 azarah 77 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
114     Fix typo (sizeof -> strlen).
115    
116 ferringb 76 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
117     rewrote the sbcontext caching code so it accounts for env changes since lib
118     initialization.
119    
120 azarah 75 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
121     We create libctest.c via configure, so no need to keep it around. Do some
122     cleanup related to libctest.c and libctest during configure.
123    
124 azarah 74 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
125     Add rename support of symlinks pointing to protected files/directories.
126    
127 azarah 72 * sandbox-1.2.5 (2005/05/04)
128    
129 azarah 71 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
130     sandbox.bashrc:
131     Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
132     already set, init of the env vars fails for some reason, so do this later on,
133     and do not warn (bug #91431).
134    
135 azarah 70 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
136     sandbox.bashrc:
137     Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
138    
139 azarah 68 * sandbox-1.2.4 (2005/05/03)
140    
141 azarah 66 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
142     Do not init the env entries with each call, as it creates too many calls to
143 azarah 67 lstat, etc. Should speedup things a bit, bug #91040.
144 azarah 66
145 azarah 65 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
146     Add /dev/pty to default write list. Noticed by Morfic.
147    
148 vapier 62 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
149     sandbox.h:
150     uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
151     exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
152    
153 azarah 59 * sandbox-1.2.3 (2005/04/29)
154    
155 azarah 56 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
156     Do not check for (*&#$(* CXX or F77.
157    
158 azarah 54 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
159     Do not append '/' to pathname in filter_path() if it already ends with it.
160    
161 vapier 53 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
162     With az's help, clean up autotools to work with cross-compiling.
163    
164 azarah 59 * sandbox-1.2.2 (2005/04/28)
165 azarah 48
166 azarah 47 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
167     Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
168     have issues; bug #90592.
169    
170 azarah 59 * sandbox-1.2.1 (2005/04/23)
171 azarah 44
172 azarah 43 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
173     getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
174     Make sure all functions used in libsandbox.c is declared static. Define
175     SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
176     linking with its object. Hopefully this will fix bug #90153.
177    
178 azarah 59 * sandbox-1.2 (2005/04/23)
179 azarah 46
180 azarah 40 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
181     Allow lchown a symlink in write-allowed path pointing to write-denied
182     target.
183    
184 genone 39 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
185     Also show resolved symlink names in the log.
186    
187 azarah 37 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
188     Seems -nostdlib was the problem with the constructor/destructor - remove it
189     from Makefile.am, and change the constructor/destructor names again.
190    
191 azarah 36 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
192     Also rename the _init() and _fini() declarations.
193    
194 azarah 35 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
195     Fixup the constructor/destructor function names again (they should be _init()
196     and _fini() it seems, and not being called caused sandbox_lib_path to be
197     unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
198     Add both the path in given SANDBOX_x variable, as well as its symlink
199     resolved path in init_env_entries(). Modify filter_path() to be able to
200     resolve paths without resolving symlinks, as well as to be able to resolve
201     symlinks. Fix a possible segfault in check_access(). Add symlink resolving
202     to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
203     for bug #31019 cause access violations if we try to remove a symlink that is
204     not in protected path, but points to a protected path. Fix a memory leak in
205     sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
206     (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
207     (pid_string was uninitialized). General syntax cleanups.
208    
209 ferringb 34 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
210     infamous "pids file is not a regular file" w/out newline bug.
211    
212 ferringb 33 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
213     Correct libc_version path detection, since it was screwing up if libdir !=
214     "/lib/".
215    
216     02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
217 azarah 32 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
218    
219 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
220 azarah 31 Fix symbols.in not added to dist.
221    
222 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
223 azarah 30 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
224     White space fixes.
225    
226 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
227 azarah 30 configure.in, getcwd.c, libsandbox.c, symbols.in:
228 azarah 29 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
229     getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
230     for glibc and other libc's that use this. Update libsandbox.c to use these
231     symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
232     process unset it.
233    
234 ferringb 33 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
235 ferringb 28 killed off _init and _fini in favor of
236     void __attribute__ ((constructor)) init_func and
237     void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
238    
239 ferringb 26 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
240     canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
241     having the hick-ups.
242    
243 ferringb 24 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
244     Makefile.am: Fixed compilation.
245    
246 ferringb 18 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
247     Gutted the bugger so it stops checking for a c++ and fortran compiler.
248     Do *not* regenerate aclocal.m4 for making a release until a better
249     solution is created.
250    
251 ferringb 16 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, sandbox_futils.c:
252     Removal of more hardcoded paths.
253    
254 ferringb 13 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in,
255     sandbox_futils.c: tweaks to install sandbox.bashrc, and use it.
256    
257     19 Nov 2004; Brian Harring <ferringb@gentoo.org>:
258 ferringb 6 Sandbox is now autotooled, create-localdecls needs to be killed and the code
259     shifted into configure.in. Currently builds *one* libsandbox.so- if multiple
260     are desired (-m64 and -m32 for amd64), the ebuild should do it (imo).
261     To get to a point of testing, automake && autoconf; created requisite files w/
262     a(utomake|clocal)-1.8, and autoconf 2.59. Installs to /usr/, instead of
263     /lib and /usr/lib/portage/bin.
264    
265 ferringb 2 14 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox.c:
266     closing out bug #70225, potential overflow of the sandbox_pids_file var.
267    
268     07 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c: c99 standard,
269     (think it was at least) allows intermixing of code and data segments. bug #70351
270     should be fixed by this.
271    
272     03 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox_futils.c:
273     futils fix from bug #65201 via solar, and libsandbox log path checks via #69137
274    
275     02 Aug 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Code from
276     Seth Robertson that tracked down all adjuct flags for read operations that
277     do not invoke a write operation.
278    
279     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
280     Another fix from jstubbs regarding a free() on a stack variable for the
281     environment -- tracking now prevents extraneous free()'s segfault.
282    
283     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
284     J. Stubbs tracked down a new bug where mkdir was failing to the patch on
285     the lstat in mkdir... it now only returns 0 or -1 as documented for mkdir.
286     Also remove the errno = ESUCCESS settings as documentation points out that
287     a library isn't allowed to do that.
288    
289     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Added a
290     file_security_check() function to check random potential exploits on files
291     that sandbox is to load and read -- Normally sandboxpids.tmp. This fixes
292     the 'system-crippling' exploits (bug 21923) and catches a few other
293     potential problems.
294    
295     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> Makefile: Updates for
296     32/64 bit sandbox. Made CC and LD '?=' values to allow passed in CC to work.
297    
298     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c:
299     bug 42048 -- Fixed the lstat/errno conditions for mkdir <caleb@g.o>.
300     Added the 64/32 bit sandbox patch for AMD64 bug 32963 <brad/azarah>.
301    
302     29 Feb 2004; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c :
303     Fix permissions and group of pids file and logs. Permissions should be 0664
304     and group should be 'portage'. Bug #34260.
305    
306     28 Feb 2004; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
307     Besides a small cleanup, redo how we replace LD_PRELOAD in the environ passed
308     to the real execve (in our execve wrapper). Seems that on some arches (sparc
309     among others) do not allow us to tamper with the readonly copy passed to
310     execve, so pass our own copy of the environment. Bug #42290.
311    
312     11 Jan 2004; Nicholas Jones <carpaski@gentoo.org> create-decls:
313     Changed tail to head and added a notice about duration of glibc check.
314    
315     21 Dec 2003; Nicholas Jones <carpaski@gentoo.org> create-decls:
316     Changed the glibc subversion check to use /usr/bin/* instead of /bin/sh
317     as there isn't a guarentee that it is dynamic.
318    
319     02 Nov 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
320     If 'file' passed to before_syscall(const char *func, const char *file) is
321     invalid, we should set errno to ENOENT, and not EINVAL. This should
322     close bug #32238.
323    
324     14 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
325     Fix a bug that occurs mainly on 64bit arch, where the file passed to
326     the functions we wrap, is invalid, and then cause canonicalize to pass
327     garbage to before_syscall(), thanks to great detective work from
328     Andrea Luzzardi <al@sig11.org> (bug #29846).
329    
330     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
331     Add a uClibc detection patch from Peter S. Mazinger <ps.m@gmx.net>.
332    
333     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
334     Fix a bug in libsandbox.c 's checking in the rename wrapper - it basically
335     only checked the destination patch, and not the source, so we could move
336     a protected file to a unprotected directory, and then delete/modify it.
337     Thanks to Andrea Luzzardi (scox) <al@sig11.org>, bug #30992, for this fix.
338    
339     12 Oct 2003; Nicholas Jones <carpaski@gentoo.org> sandbox.c :
340     Added python2.3 to the predict section/variable.
341    
342     28 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
343     sandbox.h, sandbox_futils.c :
344     Add support to set the pids file via SANDBOX_PIDS_FILE at startup. If
345     it is not set, it will revert to its old value.
346    
347     27 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
348     Fix our mkdir wrapper to check if the dir exist, and return EEXIST if so,
349     rather than failing with a violation, bug #29748.
350    
351     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
352     Fix canonicalize() to ignore calls with path = "".
353    
354     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
355     sandbox_futils.c, canonicalize.c :
356     Once again coreutils fails, as my systems had 2.5 kernel, the getcwd system
357     call handled strings larger than PATH_MAX (bug #21766). It however does not
358     work the same on 2.4 kernels.
359    
360     To fix, I added the posix implementation of getcwd() (from glibc cvs) that
361     do not need the system call. We use the default getcwd() function via a
362     wrapper (egetcwd), and then lstat the returned path. If lstat fails, it
363     means the current directory was removed, OR that the the system call for
364     getcwd failed (curious is that it do not fail and return NULL or set
365     errno, but rather just truncate the retured directory - usually from the
366     start), and if so, we use the generic getcwd() function (__egetcwd). Note
367     that we do not use the generic version all the time, as it calls lstat()
368     a great number of times, and performance degrade much.
369    
370     29 Jun 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls,
371     libsandbox.c :
372     Make sure SB_PATH_MAX will not wrap. Fix two possible memory leaks.
373    
374     22 Jun 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, canonicalize.c
375     create-localdecls :
376     When checking path names of files accessed, we need to canonicalize it, else
377     it may be a symlink in a 'write allowed' directory pointing to a file in a
378     directory we should not have write access to.
379    
380     With something like coreutils-5.0, we have two problems:
381     1) One of the tests checks if getcwd() can return a path longer than
382     PATH_MAX. This test then tries to create a dir which even while
383     created local (mkdir("conftest2")), it ends up being resolved with
384     a name that is much larger than PATH_MAX. The problem now is that
385     canonicalize() have undefined behaviour when the path was too long
386     (returned wrongly truncated paths, etc), and pass the wrong path to
387     before_syscall() (causing the bogus sandbox violations).
388     2) The ecanonicalize() function we used, along with the canonicalize()
389     function did not support longer than PATH_MAX. This is partly a
390     cause for 1), but the error checking (rather lack of it) of calls
391     to erealpath() in canonicalize() was the prime reason for 1).
392    
393     As we do not use this canonicalized name to call the function, we resolve this
394     by fixing canonicalize() to do better error checking, and ecanonicalize() as
395     well as all functions in libsandbox.c to use a PATH_MAX of 'PATH_MAX * 2'.
396     While they will resolve paths properly now, and can check if a write/read is
397     allowed, the functions called from the sandboxed environment will still work
398     as expected.
399    
400     This should resolve bug #21766.
401    
402     06 Apr 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
403     For some reason sandbox fails with a 'open_wr' if you run 'locale -a' under
404     it (bug #16298).
405    
406     Problem is that for some reason locale fopen's locale.alias with mode "rm".
407    
408     -------------------------------------------------------
409     nosferatu root # grep fopen locale.log
410     fopen("/usr/share/locale/locale.alias", "rm"ACCESS DENIED open_wr: /usr/share/locale/locale.alias
411     nosferatu root #
412     --------------------------------------------------------
413    
414     I checked the source of locale, but it have fopen with mode 'r', so
415     not sure where the "rm" mode comes from. Anyhow, changed the check in
416     before_syscall_open_char() to also see mode "rm" as readonly.
417    
418     23 Feb 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
419    
420     Add glibc-2.3 support.
421    
422     22 Feb 2003; Martin Schlemmer <azarah@gentoo.org> sandbox.c :
423    
424     Some /etc/ld.so.preload fixes. Just changed the #if defines to cover all
425     operations releated to preload, as well as only try to modify ld.so.preload
426     if we can. Also modify to write the pid to /tmp/sandboxpids.tmp even when
427     not using ld.so.preload. Fix to not write this instance of sandbox's pid
428     to /tmp/sandboxpids.tmp on exit if this is not the last sandbox running.
429    
430     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> Makefile :
431    
432     Changed the LD to CC for hppa.
433    
434     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
435    
436     Killed the previous changes I made.
437    
438     17 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
439    
440     Added parisc to BROKEN_RTLD_ARCHLIST to see if it we can fix the relocation probs.
441    
442     09 Jan 2003; J Robert Ray <jrray@gentoo.org> sandbox.c :
443    
444     Don't segfault if $HOME isn't set, set $HOME to "/" instead. Fixes bug 10868.
445    
446     16 Dec 2002; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
447    
448     Fix memory leak for mips, bug #12236. Thanks to Torgeir Hansen <torgeir@trenger.ro>
449     for this fix.
450    
451     4 Dec 2002; J Robert Ray <jrray@gentoo.org> sandbox.h sandbox_futils.c :
452    
453     sandbox_futils defined a dirname() function that was masking the same
454     function in glibc and was broken (e.g.: SANDBOX_DIR was being set to
455     '/usr/lib/portage/bi/'). Fixed function to return expected results and
456     renamed it to sb_dirname() to no longer mask the glibc function. Closes bug
457     11231.
458    
459     4 Dec 2002; Martin Schlemmer <azarah@gentoo.org> :
460    
461     Fix a segfault in libsandbox.c if canonicalize() was called with
462     first parameter = NULL.
463    
464     1 Sep 2002; Martin Schlemmer <azarah@gentoo.org> :
465    
466     Fix my braindead 'return 1;' in a void function. Updated sandbox.c,
467     cleanup() for this.
468    
469     Change cleanup() in sandbox.c not to exit with fail status if
470     the pidsfile is missing. We really should still display sandbox
471     violations if they occured.
472    
473     31 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
474    
475     Update cleanup() in sandbox.c to remove the PIDSFILE if this is
476     the last sandbox running.
477    
478     25 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
479    
480     Major cleanups to mainly libsandbox.c again.
481    
482     22 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
483    
484     Add copyrights to sandbox.h and sandbox_futils.h. If wrong, the
485     parties involved should please contact me so that we can fix it.
486    
487     Add opendir wrapper to libsandbox.c.
488    
489     21 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
490    
491     Do some more cleanups to ecanonicalize(), as it dropped filenames in
492     rare cases (after my symlink cleanups), and caused glibc to bork.
493     These fixes went into canonicalize.c.
494    
495     20 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
496    
497     Fix spawn_shell() and main() in sandbox.c to properly return fail
498     status.
499    
500     19 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
501    
502     The new canonicalize() function in libsandbox.c also resolved symlinks,
503     which caused on cleaning sandbox errors if the symlink pointed to a
504     file in the live root. Ripped out canonicalize() and realpath() from
505     glibc; removed the symlink stuff, and changed them to ecanonicalize()
506     and erealpath().
507    
508     18 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
509    
510     Ripped out all the wrappers, and implemented those of InstallWatch.
511     Losts of cleanups and bugfixes. Implement a execve that forces
512     $LIBSANDBOX in $LD_PRELOAD. We can now thus do away with the feared
513     /etc/ld.so.preload (*g*) ... Made the needed changes to sandbox.c,
514     sandbox.h and sandbox_futils.c. Rewrote the Makefile for most
515     parts; it now have an install target.
516    
517     Reformat the whole thing to look somewhat like the reworked sandbox.c
518     and new sandbox.h and sandbox_futils.c from:
519    
520     Brad House <brad@mainstreetsoftworks.com>.
521    
522     Additional Copyrights now due to the InstallWatch code:
523    
524     Copyright (C) 1998-9 Pancrazio `Ezio' de Mauro <p@demauro.net>

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