Ethereal-dev: Re: [Ethereal-dev] Re: packet-ssl.c patch for certificates
Note: This archive is from the project's previous web site, ethereal.com. This list is no longer active.
From: "Ronnie Sahlberg" <ronnie_sahlberg@xxxxxxxxxxxxxx>
Date: Fri, 30 Jul 2004 18:36:38 +1000
Looks good by optical examination. I will test it later and check it in if
there are no issues.
Only one small detail, I think the HF field should be FT_NONE really, but
will verify and check in a
change if required.
Adding OIDs are not that difficult.
Please see packet-pkcs.[ch] and asn1/pkcs1/* for examples on how I added
some for some pkinit users.
----- Original Message -----
From: "Yaniv Kaul"
Sent: Friday, July 30, 2004 3:06 AM
Subject: [Ethereal-dev] Re: packet-ssl.c patch for certificates
> Same patch as output of 'svn diff' (not 'cvs diff'). Does it matter?
>
> Yaniv Kaul wrote:
>
> > Attached please find a patch to packet-ssl.c which adds the
> > long-waited certificates dissection.
> >
> > There's a lot more to do, of course.
> > Specifically, I don't know how to add OIDs (the algorithms OIDs, for
> > example).
> >
> >------------------------------------------------------------------------
> >
> >--- packet-ssl.orig.c 2004-07-29 06:18:36.000000000 +0200
> >+++ packet-ssl.c 2004-07-29 16:48:34.000000000 +0200
> >@@ -96,6 +96,7 @@
> >
> > #include <epan/conversation.h>
> > #include "prefs.h"
> >+#include "packet-x509af.h"
> >
> > static gboolean ssl_desegment = TRUE;
> >
> >@@ -170,6 +171,7 @@
> > static int hf_pct_handshake_hash_spec = -1;
> > static int hf_pct_handshake_cert_spec = -1;
> > static int hf_pct_handshake_cert = -1;
> >+static int hf_pct_handshake_server_cert = -1;
> > static int hf_pct_handshake_exch_spec = -1;
> > static int hf_pct_handshake_hash = -1;
> > static int hf_pct_handshake_cipher = -1;
> >@@ -713,7 +715,7 @@
> > guint32 offset);
> >
> > static void dissect_ssl3_hnd_cert(tvbuff_t *tvb,
> >- proto_tree *tree, guint32 offset);
> >+ proto_tree *tree, guint32 offset,
packet_info *pinfo);
> >
> > static void dissect_ssl3_hnd_cert_req(tvbuff_t *tvb,
> > proto_tree *tree,
> >@@ -756,10 +758,10 @@
> > /* server hello dissector */
> > static void dissect_ssl2_hnd_server_hello(tvbuff_t *tvb,
> > proto_tree *tree,
> >- guint32 offset);
> >+ guint32 offset, packet_info
*pinfo);
> > static void dissect_pct_msg_server_hello(tvbuff_t *tvb,
> > proto_tree *tree,
> >- guint32 offset);
> >+ guint32 offset, packet_info *pinfo);
> >
> >
> > static void dissect_pct_msg_server_verify(tvbuff_t *tvb,
> >@@ -1427,7 +1429,7 @@
> > break;
> >
> > case SSL_HND_CERTIFICATE:
> >- dissect_ssl3_hnd_cert(tvb, ssl_hand_tree, offset);
> >+ dissect_ssl3_hnd_cert(tvb, ssl_hand_tree, offset,
pinfo);
> > break;
> >
> > case SSL_HND_SERVER_KEY_EXCHG:
> >@@ -1650,7 +1652,7 @@
> >
> > static void
> > dissect_ssl3_hnd_cert(tvbuff_t *tvb,
> >- proto_tree *tree, guint32 offset)
> >+ proto_tree *tree, guint32 offset, packet_info
*pinfo)
> > {
> >
> > /* opaque ASN.1Cert<2^24-1>;
> >@@ -1698,14 +1700,15 @@
> > tvb, offset, 3, FALSE);
> > offset += 3;
> >
> >- proto_tree_add_bytes_format(subtree,
> >+ /*proto_tree_add_bytes_format(subtree,
> >
hf_ssl_handshake_certificate,
> > tvb, offset, cert_length,
> > tvb_get_ptr(tvb, offset,
cert_length),
> > "Certificate (%u byte%s)",
> > cert_length,
> > plurality(cert_length, "",
"s"));
> >-
> >+ */
> >+ dissect_x509af_Certificate(FALSE, tvb, offset, pinfo, subtree,
hf_ssl_handshake_certificate);
> > offset += cert_length;
> > }
> > }
> >@@ -2075,7 +2078,7 @@
> > break;
> >
> > case SSL2_HND_SERVER_HELLO:
> >- dissect_ssl2_hnd_server_hello(tvb, ssl_record_tree, offset);
> >+ dissect_ssl2_hnd_server_hello(tvb, ssl_record_tree, offset,
pinfo);
> > break;
> >
> > case SSL2_HND_ERROR:
> >@@ -2099,7 +2102,7 @@
> > dissect_pct_msg_client_hello(tvb, ssl_record_tree, offset);
> > break;
> > case PCT_MSG_SERVER_HELLO:
> >- dissect_pct_msg_server_hello(tvb, ssl_record_tree, offset);
> >+ dissect_pct_msg_server_hello(tvb, ssl_record_tree, offset, pinfo);
> > break;
> > case PCT_MSG_CLIENT_MASTER_KEY:
> > dissect_pct_msg_client_master_key(tvb, ssl_record_tree, offset);
> >@@ -2322,7 +2325,7 @@
> > }
> >
> > static void
> >-dissect_pct_msg_server_hello(tvbuff_t *tvb, proto_tree *tree, guint32
offset)
> >+dissect_pct_msg_server_hello(tvbuff_t *tvb, proto_tree *tree, guint32
offset, packet_info *pinfo)
> > {
> > /* structure:
> > char SH_MSG_SERVER_HELLO
> >@@ -2405,7 +2408,8 @@
> > offset += 2;
> >
> > if(SH_CERT_LENGTH) {
> >- proto_tree_add_text(tree, tvb, offset, SH_CERT_LENGTH, "Server
Certificate (%d bytes)", SH_CERT_LENGTH);
> >+ dissect_x509af_Certificate(FALSE, tvb, offset, pinfo, tree,
hf_pct_handshake_server_cert);
> >+ //proto_tree_add_text(tree, tvb, offset, SH_CERT_LENGTH, "Server
Certificate (%d bytes)", SH_CERT_LENGTH);
> > offset += SH_CERT_LENGTH;
> > }
> >
> >@@ -2622,7 +2626,7 @@
> >
> > static void
> > dissect_ssl2_hnd_server_hello(tvbuff_t *tvb,
> >- proto_tree *tree, guint32 offset)
> >+ proto_tree *tree, guint32 offset,
packet_info *pinfo)
> > {
> > /* struct {
> > * uint8 msg_type;
> >@@ -2696,13 +2700,15 @@
> > /* now the variable length fields */
> > if (certificate_length > 0)
> > {
> >- proto_tree_add_bytes_format(tree, hf_ssl_handshake_certificate,
> >+ /*proto_tree_add_bytes_format(tree,
hf_ssl_handshake_certificate,
> > tvb, offset, certificate_length,
> > tvb_get_ptr(tvb, offset,
certificate_length),
> > "Certificate (%u byte%s)",
> > certificate_length,
> > plurality(certificate_length, "",
"s"));
> >- offset += certificate_length;
> >+ */
> >+ dissect_x509af_Certificate(FALSE, tvb, offset, pinfo, tree,
hf_ssl_handshake_certificate);
> >+ offset += certificate_length;
> > }
> >
> > if (cipher_spec_length > 0)
> >@@ -3386,7 +3392,7 @@
> > "PCT Certificate specification", HFILL }
> > },
> > { &hf_pct_handshake_cert,
> >- { "Cert Spec", "pct.handshake.cert",
> >+ { "Cert", "pct.handshake.cert",
> > FT_UINT16, BASE_HEX, VALS(pct_cert_type), 0x0,
> > "PCT Certificate", HFILL }
> > },
> >@@ -3410,6 +3416,11 @@
> > FT_UINT16, BASE_HEX, VALS(pct_error_code), 0x0,
> > "PCT Error Code", HFILL }
> > },
> >+ { &hf_pct_handshake_server_cert,
> >+ { "Server Cert", "pct.handshake.server_cert",
> >+ FT_BYTES, BASE_NONE, NULL , 0x0,
> >+ "PCT Server Certificate", HFILL }
> >+ },
> > };
> >
> > /* Setup protocol subtree array */
> >
> >
>
----------------------------------------------------------------------------
----
> Index: packet-ssl.c
> ===================================================================
> --- packet-ssl.c (revision 11567)
> +++ packet-ssl.c (working copy)
> @@ -96,6 +96,7 @@
>
> #include <epan/conversation.h>
> #include "prefs.h"
> +#include "packet-x509af.h"
>
> static gboolean ssl_desegment = TRUE;
>
> @@ -170,6 +171,7 @@
> static int hf_pct_handshake_hash_spec = -1;
> static int hf_pct_handshake_cert_spec = -1;
> static int hf_pct_handshake_cert = -1;
> +static int hf_pct_handshake_server_cert = -1;
> static int hf_pct_handshake_exch_spec = -1;
> static int hf_pct_handshake_hash = -1;
> static int hf_pct_handshake_cipher = -1;
> @@ -713,7 +715,7 @@
> guint32 offset);
>
> static void dissect_ssl3_hnd_cert(tvbuff_t *tvb,
> - proto_tree *tree, guint32 offset);
> + proto_tree *tree, guint32 offset,
packet_info *pinfo);
>
> static void dissect_ssl3_hnd_cert_req(tvbuff_t *tvb,
> proto_tree *tree,
> @@ -756,10 +758,10 @@
> /* server hello dissector */
> static void dissect_ssl2_hnd_server_hello(tvbuff_t *tvb,
> proto_tree *tree,
> - guint32 offset);
> + guint32 offset, packet_info
*pinfo);
> static void dissect_pct_msg_server_hello(tvbuff_t *tvb,
> proto_tree *tree,
> - guint32 offset);
> + guint32 offset, packet_info *pinfo);
>
>
> static void dissect_pct_msg_server_verify(tvbuff_t *tvb,
> @@ -1427,7 +1429,7 @@
> break;
>
> case SSL_HND_CERTIFICATE:
> - dissect_ssl3_hnd_cert(tvb, ssl_hand_tree, offset);
> + dissect_ssl3_hnd_cert(tvb, ssl_hand_tree, offset, pinfo);
> break;
>
> case SSL_HND_SERVER_KEY_EXCHG:
> @@ -1650,7 +1652,7 @@
>
> static void
> dissect_ssl3_hnd_cert(tvbuff_t *tvb,
> - proto_tree *tree, guint32 offset)
> + proto_tree *tree, guint32 offset, packet_info
*pinfo)
> {
>
> /* opaque ASN.1Cert<2^24-1>;
> @@ -1698,14 +1700,15 @@
> tvb, offset, 3, FALSE);
> offset += 3;
>
> - proto_tree_add_bytes_format(subtree,
> + /*proto_tree_add_bytes_format(subtree,
> hf_ssl_handshake_certificate,
> tvb, offset, cert_length,
> tvb_get_ptr(tvb, offset,
cert_length),
> "Certificate (%u byte%s)",
> cert_length,
> plurality(cert_length, "",
"s"));
> -
> + */
> + dissect_x509af_Certificate(FALSE, tvb, offset, pinfo, subtree,
hf_ssl_handshake_certificate);
> offset += cert_length;
> }
> }
> @@ -2075,7 +2078,7 @@
> break;
>
> case SSL2_HND_SERVER_HELLO:
> - dissect_ssl2_hnd_server_hello(tvb, ssl_record_tree, offset);
> + dissect_ssl2_hnd_server_hello(tvb, ssl_record_tree, offset,
pinfo);
> break;
>
> case SSL2_HND_ERROR:
> @@ -2099,7 +2102,7 @@
> dissect_pct_msg_client_hello(tvb, ssl_record_tree, offset);
> break;
> case PCT_MSG_SERVER_HELLO:
> - dissect_pct_msg_server_hello(tvb, ssl_record_tree, offset);
> + dissect_pct_msg_server_hello(tvb, ssl_record_tree, offset, pinfo);
> break;
> case PCT_MSG_CLIENT_MASTER_KEY:
> dissect_pct_msg_client_master_key(tvb, ssl_record_tree, offset);
> @@ -2322,7 +2325,7 @@
> }
>
> static void
> -dissect_pct_msg_server_hello(tvbuff_t *tvb, proto_tree *tree, guint32
offset)
> +dissect_pct_msg_server_hello(tvbuff_t *tvb, proto_tree *tree, guint32
offset, packet_info *pinfo)
> {
> /* structure:
> char SH_MSG_SERVER_HELLO
> @@ -2405,7 +2408,8 @@
> offset += 2;
>
> if(SH_CERT_LENGTH) {
> - proto_tree_add_text(tree, tvb, offset, SH_CERT_LENGTH, "Server
Certificate (%d bytes)", SH_CERT_LENGTH);
> + dissect_x509af_Certificate(FALSE, tvb, offset, pinfo, tree,
hf_pct_handshake_server_cert);
> + //proto_tree_add_text(tree, tvb, offset, SH_CERT_LENGTH, "Server
Certificate (%d bytes)", SH_CERT_LENGTH);
> offset += SH_CERT_LENGTH;
> }
>
> @@ -2622,7 +2626,7 @@
>
> static void
> dissect_ssl2_hnd_server_hello(tvbuff_t *tvb,
> - proto_tree *tree, guint32 offset)
> + proto_tree *tree, guint32 offset,
packet_info *pinfo)
> {
> /* struct {
> * uint8 msg_type;
> @@ -2696,13 +2700,15 @@
> /* now the variable length fields */
> if (certificate_length > 0)
> {
> - proto_tree_add_bytes_format(tree, hf_ssl_handshake_certificate,
> + /*proto_tree_add_bytes_format(tree, hf_ssl_handshake_certificate,
> tvb, offset, certificate_length,
> tvb_get_ptr(tvb, offset,
certificate_length),
> "Certificate (%u byte%s)",
> certificate_length,
> plurality(certificate_length, "",
"s"));
> - offset += certificate_length;
> + */
> + dissect_x509af_Certificate(FALSE, tvb, offset, pinfo, tree,
hf_ssl_handshake_certificate);
> + offset += certificate_length;
> }
>
> if (cipher_spec_length > 0)
> @@ -3386,7 +3392,7 @@
> "PCT Certificate specification", HFILL }
> },
> { &hf_pct_handshake_cert,
> - { "Cert Spec", "pct.handshake.cert",
> + { "Cert", "pct.handshake.cert",
> FT_UINT16, BASE_HEX, VALS(pct_cert_type), 0x0,
> "PCT Certificate", HFILL }
> },
> @@ -3410,6 +3416,11 @@
> FT_UINT16, BASE_HEX, VALS(pct_error_code), 0x0,
> "PCT Error Code", HFILL }
> },
> + { &hf_pct_handshake_server_cert,
> + { "Server Cert", "pct.handshake.server_cert",
> + FT_BYTES, BASE_NONE, NULL , 0x0,
> + "PCT Server Certificate", HFILL }
> + },
> };
>
> /* Setup protocol subtree array */
>
----------------------------------------------------------------------------
----
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>
- References:
- [Ethereal-dev] packet-ssl.c patch for certificates
- From: Yaniv Kaul
- [Ethereal-dev] Re: packet-ssl.c patch for certificates
- From: Yaniv Kaul
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