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crosstool-ng/patches/gdb/6.7.1/100-security-errata-20050610.patch

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Original patch from gentoo: gentoo/src/patchsets/gdb/6.7.1/35_all_gdb-6.3-security-errata-20050610.patch
-= BEGIN original header =-
2005-06-09 Jeff Johnston <jjohnstn@redhat.com>
* gdb.base/gdbinit.exp: New testcase.
* gdb.base/gdbinit.sample: Sample .gdbinit for gdbinit.exp.
2005-06-08 Daniel Jacobowitz <dan@codesourcery.com>
Jeff Johnston <jjohnstn@redhat.com>
* Makefile.in (cli-cmds.o): Update.
* configure.in: Add check for getuid.
* configure: Regenerated.
* config.in: Ditto.
* main.c (captured_main): Pass -1 to source_command when loading
gdbinit files.
* cli/cli-cmds.c: Include "gdb_stat.h" and <fcntl.h>.
(source_command): Update documentation. Check permissions if
FROM_TTY is -1.
-= END original header =-
diff -durN gdb-6.7.1.orig/gdb/cli/cli-cmds.c gdb-6.7.1/gdb/cli/cli-cmds.c
--- gdb-6.7.1.orig/gdb/cli/cli-cmds.c 2007-08-23 20:08:47.000000000 +0200
+++ gdb-6.7.1/gdb/cli/cli-cmds.c 2008-06-17 23:27:44.000000000 +0200
@@ -36,6 +36,7 @@
#include "objfiles.h"
#include "source.h"
#include "disasm.h"
+#include "gdb_stat.h"
#include "ui-out.h"
@@ -459,12 +460,31 @@
if (fd == -1)
{
- if (from_tty)
+ if (from_tty > 0)
perror_with_name (file);
else
return;
}
+#ifdef HAVE_GETUID
+ if (from_tty == -1)
+ {
+ struct stat statbuf;
+ if (fstat (fd, &statbuf) < 0)
+ {
+ perror_with_name (file);
+ close (fd);
+ return;
+ }
+ if (statbuf.st_uid != getuid () || (statbuf.st_mode & S_IWOTH))
+ {
+ warning (_("not using untrusted file \"%s\""), file);
+ close (fd);
+ return;
+ }
+ }
+#endif
+
stream = fdopen (fd, FOPEN_RT);
script_from_file (stream, file);
diff -durN gdb-6.7.1.orig/gdb/main.c gdb-6.7.1/gdb/main.c
--- gdb-6.7.1.orig/gdb/main.c 2007-08-23 20:08:36.000000000 +0200
+++ gdb-6.7.1/gdb/main.c 2008-06-17 23:27:44.000000000 +0200
@@ -688,7 +688,7 @@
if (!inhibit_gdbinit)
{
- catch_command_errors (source_script, homeinit, 0, RETURN_MASK_ALL);
+ catch_command_errors (source_script, homeinit, -1, RETURN_MASK_ALL);
}
/* Do stats; no need to do them elsewhere since we'll only
@@ -766,7 +766,7 @@
|| memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat)))
if (!inhibit_gdbinit)
{
- catch_command_errors (source_script, gdbinit, 0, RETURN_MASK_ALL);
+ catch_command_errors (source_script, gdbinit, -1, RETURN_MASK_ALL);
}
for (i = 0; i < ncmd; i++)
diff -durN gdb-6.7.1.orig/gdb/Makefile.in gdb-6.7.1/gdb/Makefile.in
--- gdb-6.7.1.orig/gdb/Makefile.in 2008-06-17 23:27:44.000000000 +0200
+++ gdb-6.7.1/gdb/Makefile.in 2008-06-17 23:27:44.000000000 +0200
@@ -2885,7 +2885,7 @@
$(expression_h) $(frame_h) $(value_h) $(language_h) $(filenames_h) \
$(objfiles_h) $(source_h) $(disasm_h) $(ui_out_h) $(top_h) \
$(cli_decode_h) $(cli_script_h) $(cli_setshow_h) $(cli_cmds_h) \
- $(tui_h)
+ $(tui_h) $(gdb_stat_h)
$(CC) -c $(INTERNAL_CFLAGS) $(srcdir)/cli/cli-cmds.c
cli-decode.o: $(srcdir)/cli/cli-decode.c $(defs_h) $(symtab_h) \
$(gdb_regex_h) $(gdb_string_h) $(completer_h) $(ui_out_h) \
diff -durN gdb-6.7.1.orig/gdb/testsuite/gdb.base/gdbinit.exp gdb-6.7.1/gdb/testsuite/gdb.base/gdbinit.exp
--- gdb-6.7.1.orig/gdb/testsuite/gdb.base/gdbinit.exp 1970-01-01 01:00:00.000000000 +0100
+++ gdb-6.7.1/gdb/testsuite/gdb.base/gdbinit.exp 2008-06-17 23:27:44.000000000 +0200
@@ -0,0 +1,98 @@
+# Copyright 2005
+# Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+# Please email any bugs, comments, and/or additions to this file to:
+# bug-gdb@prep.ai.mit.edu
+
+# This file was written by Jeff Johnston <jjohnstn@redhat.com>.
+
+if $tracelevel then {
+ strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+# are we on a target board
+if [is_remote target] {
+ return
+}
+
+
+global verbose
+global GDB
+global GDBFLAGS
+global gdb_prompt
+global timeout
+global gdb_spawn_id;
+
+gdb_stop_suppressing_tests;
+
+verbose "Spawning $GDB -nw"
+
+if [info exists gdb_spawn_id] {
+ return 0;
+}
+
+if ![is_remote host] {
+ if { [which $GDB] == 0 } then {
+ perror "$GDB does not exist."
+ exit 1
+ }
+}
+
+set env(HOME) [pwd]
+remote_exec build "rm .gdbinit"
+remote_exec build "cp ${srcdir}/${subdir}/gdbinit.sample .gdbinit"
+remote_exec build "chmod 646 .gdbinit"
+
+set res [remote_spawn host "$GDB -nw [host_info gdb_opts]"];
+if { $res < 0 || $res == "" } {
+ perror "Spawning $GDB failed."
+ return 1;
+}
+gdb_expect 360 {
+ -re "warning: not using untrusted file.*\.gdbinit.*\[\r\n\]$gdb_prompt $" {
+ pass "untrusted .gdbinit caught."
+ }
+ -re "$gdb_prompt $" {
+ fail "untrusted .gdbinit caught."
+ }
+ timeout {
+ fail "(timeout) untrusted .gdbinit caught."
+ }
+}
+
+remote_exec build "chmod 644 .gdbinit"
+set res [remote_spawn host "$GDB -nw [host_info gdb_opts]"];
+if { $res < 0 || $res == "" } {
+ perror "Spawning $GDB failed."
+ return 1;
+}
+gdb_expect 360 {
+ -re "warning: not using untrusted file.*\.gdbinit.*\[\r\n\]$gdb_prompt $" {
+ fail "trusted .gdbinit allowed."
+ }
+ -re "in gdbinit.*$gdb_prompt $" {
+ pass "trusted .gdbinit allowed."
+ }
+ timeout {
+ fail "(timeout) trusted .gdbinit allowed."
+ }
+}
+
+remote_exec build "rm .gdbinit"
diff -durN gdb-6.7.1.orig/gdb/testsuite/gdb.base/gdbinit.sample gdb-6.7.1/gdb/testsuite/gdb.base/gdbinit.sample
--- gdb-6.7.1.orig/gdb/testsuite/gdb.base/gdbinit.sample 1970-01-01 01:00:00.000000000 +0100
+++ gdb-6.7.1/gdb/testsuite/gdb.base/gdbinit.sample 2008-06-17 23:27:44.000000000 +0200
@@ -0,0 +1 @@
+echo "\nin gdbinit"
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