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Revision 112 - (hide annotations) (download)
Thu Jun 9 15:47:25 2005 UTC (9 years, 4 months ago) by azarah
File size: 23767 byte(s)
Add wrapper for access() function, bug #85413.
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 112 09 June 2005; Martin Schlemmer <azarah@gentoo.org> symbols.in, libsandbox.c:
6     Add wrapper for access() function, bug #85413.
7    
8 azarah 111 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c:
9     Use generic getcwd() implementation from uclibc - should be more portable
10     and looks a bit cleaner.
11    
12 azarah 110 09 June 2005; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c:
13     Make sure our true_* pointers are initialized to NULL, and that we check for
14     all references that they are valid.
15    
16 azarah 109 09 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
17     Be default we will fail if the path name we try to canonicalize is too long.
18     This however could cause issues with some things (bug #94630 and #21766), so
19     if fail_nametoolong == 0, canonicalize() will return a null length string and
20     do not fail.
21    
22 azarah 108 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c:
23     Do not abort if TMPDIR is not valid, but rather use '/tmp', bug #94360. Also
24     make sure we re-export the new TMPDIR environment variable.
25    
26 azarah 106 08 June 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
27     Fix incorrect free of non-malloc'd array, bug #92313 and #94020. Fix noted
28     by Marcus D. Hanwell <cryos@gentoo.org>.
29    
30 azarah 105 08 June 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
31     Add /dev/console to write list, bug #38588.
32    
33 azarah 102 * sandbox-1.2.8 (2005/05/13)
34    
35 azarah 99 13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
36 azarah 101 sandbox.h, sandbox_futils.c:
37     General cleanups.
38    
39     13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
40 azarah 100 sandbox.h:
41     Various LD_PRELOAD cleanups. Do not unset LD_PRELOAD for parent.
42    
43     13 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
44 azarah 99 sandbox.h, sandbox_futils.c:
45     Modify get_sandbox_pids_file(), get_sandbox_log() and get_sandbox_debug_log()
46     to use TMPDIR if present in environment.
47    
48 azarah 98 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
49     Remove sandbox_log_file from main() as its no longer used.
50    
51 azarah 97 13 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
52     sandbox_futils.c:
53     Add get_sandbox_debug_log(), and use it (add behaviour similar to SANDBOX_LOG
54     if already exported when sandbox started). Fix get_sandbox_log() and new
55     get_sandbox_debug_log() to not use already exported environment variables if
56     they have '/' in them. Use snprintf()'s instead of strncpy()'s. More
57     SB_PATH_MAX fixes.
58    
59 azarah 94 * sandbox-1.2.7 (2005/05/12)
60    
61 azarah 93 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
62     sandbox_futils.c:
63     More path limit fixes. Declare SB_BUF_LEN global and use it where needed.
64    
65 azarah 92 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
66     Fix paths limited to 255 chars. Fix get_sandbox_dir() returning a string
67     with '(null)' in it if we did not call sandbox with absolute path.
68    
69 azarah 89 12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
70 azarah 91 Set SANDBOX_ON *before* doing the child's env stuff, else its not set
71     for the child.
72    
73     12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
74 azarah 90 Remove global preload_adaptable as it is no longer used.
75    
76     12 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
77 azarah 89 Rewrite environment stuff to only be set when execve'ing the child process
78     to try and avoid issues like bug #91541 that causes sandbox to crash if
79     we set LD_PRELOAD sandbox side already.
80    
81 azarah 87 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
82 azarah 88 Move print_sandbox_log() up to make things neater.
83    
84     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
85 azarah 87 Remove load_preload_libs(), as its not used anymore.
86    
87 azarah 83 11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
88 azarah 86 Remove NO_FORK stuff, as its not used, and 'strace -f' works just fine.
89    
90     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
91 azarah 84 Remove USE_SYSTEM_SHELL stuff, as it is not secure, and not in use.
92    
93     11 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h:
94 azarah 83 Remove ld.so.preload crap - we are not going to use it again.
95    
96 azarah 82 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox_futils.c:
97     Fix typo in code that checks if we got valid group information, causing a
98     segmentation fault, bug #91637.
99    
100 azarah 79 * sandbox-1.2.6 (2005/05/10)
101    
102 azarah 78 10 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
103     Do not use LD_PRELOAD if it contains libtsocks.so, as it breaks sandbox
104     for some odd reason, bug #91541.
105    
106 azarah 77 09 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
107     Fix typo (sizeof -> strlen).
108    
109 ferringb 76 08 May 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
110     rewrote the sbcontext caching code so it accounts for env changes since lib
111     initialization.
112    
113 azarah 75 05 May 2005; Martin Schlemmer <azarah@gentoo.org> configure.in, libctest.c:
114     We create libctest.c via configure, so no need to keep it around. Do some
115     cleanup related to libctest.c and libctest during configure.
116    
117 azarah 74 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
118     Add rename support of symlinks pointing to protected files/directories.
119    
120 azarah 72 * sandbox-1.2.5 (2005/05/04)
121    
122 azarah 71 04 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
123     sandbox.bashrc:
124     Do not reset already set LD_PRELOAD when starting sandbox. If LD_PRELOAD is
125     already set, init of the env vars fails for some reason, so do this later on,
126     and do not warn (bug #91431).
127    
128 azarah 70 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox.h,
129     sandbox.bashrc:
130     Fixup sandbox and sandbox.bashrc to call bash with the proper .bashrc.
131    
132 azarah 68 * sandbox-1.2.4 (2005/05/03)
133    
134 azarah 66 03 May 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
135     Do not init the env entries with each call, as it creates too many calls to
136 azarah 67 lstat, etc. Should speedup things a bit, bug #91040.
137 azarah 66
138 azarah 65 03 May 2005; Martin Schlemmer <azarah@gentoo.org> sandbox.c:
139     Add /dev/pty to default write list. Noticed by Morfic.
140    
141 vapier 62 02 May 2005; Mike Frysinger <vapier@gentoo.org> configure.in, localdecls.h,
142     sandbox.h:
143     uClibc doesn't support dlvsym() so add a configure check to make sure it doesn't
144     exist. Also update localdecls.h so BROKEN_RTLD_NEXT isn't defined in uClibc.
145    
146 azarah 59 * sandbox-1.2.3 (2005/04/29)
147    
148 azarah 56 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> configure.in:
149     Do not check for (*&#$(* CXX or F77.
150    
151 azarah 54 29 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
152     Do not append '/' to pathname in filter_path() if it already ends with it.
153    
154 vapier 53 28 Apr 2005; Mike Frysinger <vapier@gentoo.org> Makefile.am, configure.in:
155     With az's help, clean up autotools to work with cross-compiling.
156    
157 azarah 59 * sandbox-1.2.2 (2005/04/28)
158 azarah 48
159 azarah 47 28 Apr 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
160     Only check for /dev/{null,zero} for unlink hack, else ricers using /dev/shm
161     have issues; bug #90592.
162    
163 azarah 59 * sandbox-1.2.1 (2005/04/23)
164 azarah 44
165 azarah 43 23 Apr 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
166     getcwd.c, libsandbox.c, localdecls.h, sandbox.h, sandbox_futils.c:
167     Make sure all functions used in libsandbox.c is declared static. Define
168     SB_STATIC in localdecls.h for this. Include sandbox_futils.c rather than
169     linking with its object. Hopefully this will fix bug #90153.
170    
171 azarah 59 * sandbox-1.2 (2005/04/23)
172 azarah 46
173 azarah 40 22 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
174     Allow lchown a symlink in write-allowed path pointing to write-denied
175     target.
176    
177 genone 39 21 Mar 2005; Marius Mauch <genone@gentoo.org> libsandbox.c:
178     Also show resolved symlink names in the log.
179    
180 azarah 37 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, libsandbox.c:
181     Seems -nostdlib was the problem with the constructor/destructor - remove it
182     from Makefile.am, and change the constructor/destructor names again.
183    
184 azarah 36 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
185     Also rename the _init() and _fini() declarations.
186    
187 azarah 35 14 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c:
188     Fixup the constructor/destructor function names again (they should be _init()
189     and _fini() it seems, and not being called caused sandbox_lib_path to be
190     unset, and thus breaking the execve() wrapper's LD_PRELOAD protection).
191     Add both the path in given SANDBOX_x variable, as well as its symlink
192     resolved path in init_env_entries(). Modify filter_path() to be able to
193     resolve paths without resolving symlinks, as well as to be able to resolve
194     symlinks. Fix a possible segfault in check_access(). Add symlink resolving
195     to check_access() resolving bug #31019. Add 'hack' for unlink, as the fix
196     for bug #31019 cause access violations if we try to remove a symlink that is
197     not in protected path, but points to a protected path. Fix a memory leak in
198     sandbox.c (sandbox_pids_file in main()). Fix the realpath() calls in main()
199     (sandbox.c) being unchecked. Fix the debug logname not having the pid in it
200     (pid_string was uninitialized). General syntax cleanups.
201    
202 ferringb 34 09 Mar 2005; Brian Harring <ferringb@gentoo.org> sandbox.c: Fixed the
203     infamous "pids file is not a regular file" w/out newline bug.
204    
205 ferringb 33 09 Mar 2005; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in:
206     Correct libc_version path detection, since it was screwing up if libdir !=
207     "/lib/".
208    
209     02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> libsandbox.c:
210 azarah 32 Hack to make sure sandboxed process cannot remove a device node, bug #79836.
211    
212 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am:
213 azarah 31 Fix symbols.in not added to dist.
214    
215 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
216 azarah 30 getcwd.c, libsandbox.c, sandbox.c, sandbox.h, sandbox_futils.c:
217     White space fixes.
218    
219 ferringb 33 02 Mar 2005; Martin Schlemmer <azarah@gentoo.org> Makefile.am, canonicalize.c,
220 azarah 30 configure.in, getcwd.c, libsandbox.c, symbols.in:
221 azarah 29 Fix inverse test logic in canonicalize.c, use a strncpy. Fix gcc warning in
222     getcwd.c. Add symbols.in and logic to Makefile.am to generate symbol versions
223     for glibc and other libc's that use this. Update libsandbox.c to use these
224     symbol versions if available. Fix exec wrapper to re-export LD_PRELOAD if the
225     process unset it.
226    
227 ferringb 33 01 Mar 2005; Brian Harring <ferringb@gentoo.org> libsandbox.c:
228 ferringb 28 killed off _init and _fini in favor of
229     void __attribute__ ((constructor)) init_func and
230     void __attribute__ ((destructor)) closing_func. _(init|func) were deprecated.
231    
232 ferringb 26 06 Dec 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, libsandbox.c,
233     canonicalize.c, getcwd.c: Fixed compilation *again*. Hopefully cvs is done
234     having the hick-ups.
235    
236 ferringb 24 04 Dec 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, getcwd.c,
237     Makefile.am: Fixed compilation.
238    
239 ferringb 18 01 Dec 2004; Brian Harring <ferringb@gentoo.org> aclocal.m4:
240     Gutted the bugger so it stops checking for a c++ and fortran compiler.
241     Do *not* regenerate aclocal.m4 for making a release until a better
242     solution is created.
243    
244 ferringb 16 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, sandbox_futils.c:
245     Removal of more hardcoded paths.
246    
247 ferringb 13 20 Nov 2004; Brian Harring <ferringb@gentoo.org> Makefile.am, configure.in,
248     sandbox_futils.c: tweaks to install sandbox.bashrc, and use it.
249    
250     19 Nov 2004; Brian Harring <ferringb@gentoo.org>:
251 ferringb 6 Sandbox is now autotooled, create-localdecls needs to be killed and the code
252     shifted into configure.in. Currently builds *one* libsandbox.so- if multiple
253     are desired (-m64 and -m32 for amd64), the ebuild should do it (imo).
254     To get to a point of testing, automake && autoconf; created requisite files w/
255     a(utomake|clocal)-1.8, and autoconf 2.59. Installs to /usr/, instead of
256     /lib and /usr/lib/portage/bin.
257    
258 ferringb 2 14 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox.c:
259     closing out bug #70225, potential overflow of the sandbox_pids_file var.
260    
261     07 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c: c99 standard,
262     (think it was at least) allows intermixing of code and data segments. bug #70351
263     should be fixed by this.
264    
265     03 Nov 2004; Brian Harring <ferringb@gentoo.org> libsandbox.c, sandbox_futils.c:
266     futils fix from bug #65201 via solar, and libsandbox log path checks via #69137
267    
268     02 Aug 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Code from
269     Seth Robertson that tracked down all adjuct flags for read operations that
270     do not invoke a write operation.
271    
272     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
273     Another fix from jstubbs regarding a free() on a stack variable for the
274     environment -- tracking now prevents extraneous free()'s segfault.
275    
276     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c, sandbox.c:
277     J. Stubbs tracked down a new bug where mkdir was failing to the patch on
278     the lstat in mkdir... it now only returns 0 or -1 as documented for mkdir.
279     Also remove the errno = ESUCCESS settings as documentation points out that
280     a library isn't allowed to do that.
281    
282     04 Apr 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c: Added a
283     file_security_check() function to check random potential exploits on files
284     that sandbox is to load and read -- Normally sandboxpids.tmp. This fixes
285     the 'system-crippling' exploits (bug 21923) and catches a few other
286     potential problems.
287    
288     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> Makefile: Updates for
289     32/64 bit sandbox. Made CC and LD '?=' values to allow passed in CC to work.
290    
291     20 Mar 2004; Nicholas Jones <carpaski@gentoo.org> libsandbox.c:
292     bug 42048 -- Fixed the lstat/errno conditions for mkdir <caleb@g.o>.
293     Added the 64/32 bit sandbox patch for AMD64 bug 32963 <brad/azarah>.
294    
295     29 Feb 2004; Martin Schlemmer <azarah@gentoo.org> sandbox.c, sandbox_futils.c :
296     Fix permissions and group of pids file and logs. Permissions should be 0664
297     and group should be 'portage'. Bug #34260.
298    
299     28 Feb 2004; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
300     Besides a small cleanup, redo how we replace LD_PRELOAD in the environ passed
301     to the real execve (in our execve wrapper). Seems that on some arches (sparc
302     among others) do not allow us to tamper with the readonly copy passed to
303     execve, so pass our own copy of the environment. Bug #42290.
304    
305     11 Jan 2004; Nicholas Jones <carpaski@gentoo.org> create-decls:
306     Changed tail to head and added a notice about duration of glibc check.
307    
308     21 Dec 2003; Nicholas Jones <carpaski@gentoo.org> create-decls:
309     Changed the glibc subversion check to use /usr/bin/* instead of /bin/sh
310     as there isn't a guarentee that it is dynamic.
311    
312     02 Nov 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
313     If 'file' passed to before_syscall(const char *func, const char *file) is
314     invalid, we should set errno to ENOENT, and not EINVAL. This should
315     close bug #32238.
316    
317     14 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
318     Fix a bug that occurs mainly on 64bit arch, where the file passed to
319     the functions we wrap, is invalid, and then cause canonicalize to pass
320     garbage to before_syscall(), thanks to great detective work from
321     Andrea Luzzardi <al@sig11.org> (bug #29846).
322    
323     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
324     Add a uClibc detection patch from Peter S. Mazinger <ps.m@gmx.net>.
325    
326     13 Oct 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
327     Fix a bug in libsandbox.c 's checking in the rename wrapper - it basically
328     only checked the destination patch, and not the source, so we could move
329     a protected file to a unprotected directory, and then delete/modify it.
330     Thanks to Andrea Luzzardi (scox) <al@sig11.org>, bug #30992, for this fix.
331    
332     12 Oct 2003; Nicholas Jones <carpaski@gentoo.org> sandbox.c :
333     Added python2.3 to the predict section/variable.
334    
335     28 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, sandbox.c,
336     sandbox.h, sandbox_futils.c :
337     Add support to set the pids file via SANDBOX_PIDS_FILE at startup. If
338     it is not set, it will revert to its old value.
339    
340     27 Sep 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
341     Fix our mkdir wrapper to check if the dir exist, and return EEXIST if so,
342     rather than failing with a violation, bug #29748.
343    
344     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
345     Fix canonicalize() to ignore calls with path = "".
346    
347     27 Jul 2003; Martin Schlemmer <azarah@gentoo.org> getcwd.c, libsandbox.c,
348     sandbox_futils.c, canonicalize.c :
349     Once again coreutils fails, as my systems had 2.5 kernel, the getcwd system
350     call handled strings larger than PATH_MAX (bug #21766). It however does not
351     work the same on 2.4 kernels.
352    
353     To fix, I added the posix implementation of getcwd() (from glibc cvs) that
354     do not need the system call. We use the default getcwd() function via a
355     wrapper (egetcwd), and then lstat the returned path. If lstat fails, it
356     means the current directory was removed, OR that the the system call for
357     getcwd failed (curious is that it do not fail and return NULL or set
358     errno, but rather just truncate the retured directory - usually from the
359     start), and if so, we use the generic getcwd() function (__egetcwd). Note
360     that we do not use the generic version all the time, as it calls lstat()
361     a great number of times, and performance degrade much.
362    
363     29 Jun 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls,
364     libsandbox.c :
365     Make sure SB_PATH_MAX will not wrap. Fix two possible memory leaks.
366    
367     22 Jun 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c, canonicalize.c
368     create-localdecls :
369     When checking path names of files accessed, we need to canonicalize it, else
370     it may be a symlink in a 'write allowed' directory pointing to a file in a
371     directory we should not have write access to.
372    
373     With something like coreutils-5.0, we have two problems:
374     1) One of the tests checks if getcwd() can return a path longer than
375     PATH_MAX. This test then tries to create a dir which even while
376     created local (mkdir("conftest2")), it ends up being resolved with
377     a name that is much larger than PATH_MAX. The problem now is that
378     canonicalize() have undefined behaviour when the path was too long
379     (returned wrongly truncated paths, etc), and pass the wrong path to
380     before_syscall() (causing the bogus sandbox violations).
381     2) The ecanonicalize() function we used, along with the canonicalize()
382     function did not support longer than PATH_MAX. This is partly a
383     cause for 1), but the error checking (rather lack of it) of calls
384     to erealpath() in canonicalize() was the prime reason for 1).
385    
386     As we do not use this canonicalized name to call the function, we resolve this
387     by fixing canonicalize() to do better error checking, and ecanonicalize() as
388     well as all functions in libsandbox.c to use a PATH_MAX of 'PATH_MAX * 2'.
389     While they will resolve paths properly now, and can check if a write/read is
390     allowed, the functions called from the sandboxed environment will still work
391     as expected.
392    
393     This should resolve bug #21766.
394    
395     06 Apr 2003; Martin Schlemmer <azarah@gentoo.org> libsandbox.c :
396     For some reason sandbox fails with a 'open_wr' if you run 'locale -a' under
397     it (bug #16298).
398    
399     Problem is that for some reason locale fopen's locale.alias with mode "rm".
400    
401     -------------------------------------------------------
402     nosferatu root # grep fopen locale.log
403     fopen("/usr/share/locale/locale.alias", "rm"ACCESS DENIED open_wr: /usr/share/locale/locale.alias
404     nosferatu root #
405     --------------------------------------------------------
406    
407     I checked the source of locale, but it have fopen with mode 'r', so
408     not sure where the "rm" mode comes from. Anyhow, changed the check in
409     before_syscall_open_char() to also see mode "rm" as readonly.
410    
411     23 Feb 2003; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
412    
413     Add glibc-2.3 support.
414    
415     22 Feb 2003; Martin Schlemmer <azarah@gentoo.org> sandbox.c :
416    
417     Some /etc/ld.so.preload fixes. Just changed the #if defines to cover all
418     operations releated to preload, as well as only try to modify ld.so.preload
419     if we can. Also modify to write the pid to /tmp/sandboxpids.tmp even when
420     not using ld.so.preload. Fix to not write this instance of sandbox's pid
421     to /tmp/sandboxpids.tmp on exit if this is not the last sandbox running.
422    
423     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> Makefile :
424    
425     Changed the LD to CC for hppa.
426    
427     22 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
428    
429     Killed the previous changes I made.
430    
431     17 Feb 2003; Nicholas Jones <carpaski@gentoo.org> create-localdecls :
432    
433     Added parisc to BROKEN_RTLD_ARCHLIST to see if it we can fix the relocation probs.
434    
435     09 Jan 2003; J Robert Ray <jrray@gentoo.org> sandbox.c :
436    
437     Don't segfault if $HOME isn't set, set $HOME to "/" instead. Fixes bug 10868.
438    
439     16 Dec 2002; Martin Schlemmer <azarah@gentoo.org> create-localdecls :
440    
441     Fix memory leak for mips, bug #12236. Thanks to Torgeir Hansen <torgeir@trenger.ro>
442     for this fix.
443    
444     4 Dec 2002; J Robert Ray <jrray@gentoo.org> sandbox.h sandbox_futils.c :
445    
446     sandbox_futils defined a dirname() function that was masking the same
447     function in glibc and was broken (e.g.: SANDBOX_DIR was being set to
448     '/usr/lib/portage/bi/'). Fixed function to return expected results and
449     renamed it to sb_dirname() to no longer mask the glibc function. Closes bug
450     11231.
451    
452     4 Dec 2002; Martin Schlemmer <azarah@gentoo.org> :
453    
454     Fix a segfault in libsandbox.c if canonicalize() was called with
455     first parameter = NULL.
456    
457     1 Sep 2002; Martin Schlemmer <azarah@gentoo.org> :
458    
459     Fix my braindead 'return 1;' in a void function. Updated sandbox.c,
460     cleanup() for this.
461    
462     Change cleanup() in sandbox.c not to exit with fail status if
463     the pidsfile is missing. We really should still display sandbox
464     violations if they occured.
465    
466     31 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
467    
468     Update cleanup() in sandbox.c to remove the PIDSFILE if this is
469     the last sandbox running.
470    
471     25 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
472    
473     Major cleanups to mainly libsandbox.c again.
474    
475     22 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
476    
477     Add copyrights to sandbox.h and sandbox_futils.h. If wrong, the
478     parties involved should please contact me so that we can fix it.
479    
480     Add opendir wrapper to libsandbox.c.
481    
482     21 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
483    
484     Do some more cleanups to ecanonicalize(), as it dropped filenames in
485     rare cases (after my symlink cleanups), and caused glibc to bork.
486     These fixes went into canonicalize.c.
487    
488     20 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
489    
490     Fix spawn_shell() and main() in sandbox.c to properly return fail
491     status.
492    
493     19 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
494    
495     The new canonicalize() function in libsandbox.c also resolved symlinks,
496     which caused on cleaning sandbox errors if the symlink pointed to a
497     file in the live root. Ripped out canonicalize() and realpath() from
498     glibc; removed the symlink stuff, and changed them to ecanonicalize()
499     and erealpath().
500    
501     18 Aug 2002; Martin Schlemmer <azarah@gentoo.org> :
502    
503     Ripped out all the wrappers, and implemented those of InstallWatch.
504     Losts of cleanups and bugfixes. Implement a execve that forces
505     $LIBSANDBOX in $LD_PRELOAD. We can now thus do away with the feared
506     /etc/ld.so.preload (*g*) ... Made the needed changes to sandbox.c,
507     sandbox.h and sandbox_futils.c. Rewrote the Makefile for most
508     parts; it now have an install target.
509    
510     Reformat the whole thing to look somewhat like the reworked sandbox.c
511     and new sandbox.h and sandbox_futils.c from:
512    
513     Brad House <brad@mainstreetsoftworks.com>.
514    
515     Additional Copyrights now due to the InstallWatch code:
516    
517     Copyright (C) 1998-9 Pancrazio `Ezio' de Mauro <p@demauro.net>

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