Original patch from gentoo: gentoo/src/patchsets/gdb/6.8/35_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-6.8.orig/gdb/Makefile.in gdb-6.8/gdb/Makefile.in

--- gdb-6.8.orig/gdb/Makefile.in	2008-03-17 13:15:08.000000000 +0100

+++ gdb-6.8/gdb/Makefile.in	2008-06-17 16:07:33.000000000 +0200

@@ -3004,7 +3004,7 @@

 	$(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-6.8.orig/gdb/cli/cli-cmds.c gdb-6.8/gdb/cli/cli-cmds.c

--- gdb-6.8.orig/gdb/cli/cli-cmds.c	2008-01-01 23:53:14.000000000 +0100

+++ gdb-6.8/gdb/cli/cli-cmds.c	2008-06-17 16:07:33.000000000 +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-6.8.orig/gdb/main.c gdb-6.8/gdb/main.c

--- gdb-6.8.orig/gdb/main.c	2008-01-05 17:49:53.000000000 +0100

+++ gdb-6.8/gdb/main.c	2008-06-17 16:07:33.000000000 +0200

@@ -690,7 +690,7 @@

       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

@@ -778,7 +778,7 @@

       || 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-6.8.orig/gdb/testsuite/gdb.base/gdbinit.exp gdb-6.8/gdb/testsuite/gdb.base/gdbinit.exp

--- gdb-6.8.orig/gdb/testsuite/gdb.base/gdbinit.exp	1970-01-01 01:00:00.000000000 +0100

+++ gdb-6.8/gdb/testsuite/gdb.base/gdbinit.exp	2008-06-17 16:07:33.000000000 +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-6.8.orig/gdb/testsuite/gdb.base/gdbinit.sample gdb-6.8/gdb/testsuite/gdb.base/gdbinit.sample

--- gdb-6.8.orig/gdb/testsuite/gdb.base/gdbinit.sample	1970-01-01 01:00:00.000000000 +0100

+++ gdb-6.8/gdb/testsuite/gdb.base/gdbinit.sample	2008-06-17 16:07:33.000000000 +0200

@@ -0,0 +1 @@

+echo "\nin gdbinit"