Re: [Ipsec-tools-devel] SIGSEGV on Xauth with pre-shared key on linux

[<ma...@ne...>]

Jo=E3o Miguel Neves <joa...@in...> wrote:

> #0  0x08075c1c in getsockmyaddr (my=3D0x0) at grabmyaddr.c:893
> #1  0x0804d456 in isakmp_send (iph1=3D0x80c01a0, sbuf=3D0x80bfe18) at
isakmp.c:1813

Which basically means that you had iph1->local =3D=3D NULL in isakmp_send()=
.=20
There are two places where I can grep "iph1->local =3D NULL"
handler.c:delph1()
isakmp.c:isakmp_main()

Can you add a few printfs, so that we get a hint of where it gets screwed u=
p?

cvs diff: Diffing .
Index: handler.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
RCS file: /cvsroot/src/crypto/dist/ipsec-tools/src/racoon/handler.c,v
retrieving revision 1.8
diff -U2 -r1.8 handler.c
--- handler.c   9 Sep 2006 16:22:09 -0000       1.8
+++ handler.c   16 Sep 2006 06:48:06 -0000
@@ -304,4 +304,5 @@
                racoon_free(iph1->local);
                iph1->local =3D NULL;
+               printf("%s: iph1 =3D %p sets local to NULL\n", __func__, ip=
h1)
        }
        if (iph1->approval) {
Index: isakmp.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
RCS file: /cvsroot/src/crypto/dist/ipsec-tools/src/racoon/isakmp.c,v
retrieving revision 1.12
diff -U2 -r1.12 isakmp.c
--- isakmp.c    9 Sep 2006 16:22:09 -0000       1.12
+++ isakmp.c    16 Sep 2006 06:48:08 -0000
@@ -464,4 +464,6 @@
                        iph1->remote =3D NULL;
                        iph1->local =3D NULL;
+                       printf("%s: iph1 =3D %p sets local to NULL\n",=20
+                           __func__, iph1);
 =20
                        /* copy-in new addresses */
@@ -1812,4 +1788,7 @@
 #endif
=20
+       printf("%s: iph1 =3D %p, iph1->local =3D %p\n",=20
+           __func__, iph1, iph1->local);
+
        /* select the socket to be sent */
        s =3D getsockmyaddr(iph1->local);

--=20
Emmanuel Dreyfus
http://hcpnet.free.fr/pubz
ma...@ne...