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-rw-r--r--source3/libsmb/cliconnect.c16
-rw-r--r--source3/libsmb/clikrb5.c23
-rw-r--r--source3/libsmb/clispnego.c6
-rw-r--r--source3/libsmb/smb_signing.c15
4 files changed, 44 insertions, 16 deletions
diff --git a/source3/libsmb/cliconnect.c b/source3/libsmb/cliconnect.c
index eceeb96309..8873c1fdc8 100644
--- a/source3/libsmb/cliconnect.c
+++ b/source3/libsmb/cliconnect.c
@@ -472,6 +472,7 @@ static DATA_BLOB cli_session_setup_blob(struct cli_state *cli, DATA_BLOB blob)
/****************************************************************************
Use in-memory credentials cache
****************************************************************************/
+
static void use_in_memory_ccache(void) {
setenv(KRB5_ENV_CCNAME, "MEMORY:cliconnect", 1);
}
@@ -483,18 +484,23 @@ static void use_in_memory_ccache(void) {
static BOOL cli_session_setup_kerberos(struct cli_state *cli, const char *principal, const char *workgroup)
{
DATA_BLOB blob2, negTokenTarg;
-
+ unsigned char session_key_krb5[16];
+ DATA_BLOB null_blob = data_blob(NULL, 0);
+
DEBUG(2,("Doing kerberos session setup\n"));
/* generate the encapsulated kerberos5 ticket */
- negTokenTarg = spnego_gen_negTokenTarg(principal, 0);
+ negTokenTarg = spnego_gen_negTokenTarg(principal, 0, session_key_krb5);
- if (!negTokenTarg.data) return False;
+ if (!negTokenTarg.data)
+ return False;
#if 0
file_save("negTokenTarg.dat", negTokenTarg.data, negTokenTarg.length);
#endif
+ cli_simple_set_signing(cli, session_key_krb5, null_blob);
+
blob2 = cli_session_setup_blob(cli, negTokenTarg);
/* we don't need this blob for kerberos */
@@ -551,7 +557,7 @@ static BOOL cli_session_setup_ntlmssp(struct cli_state *cli, const char *user,
blob_in, &blob_out);
data_blob_free(&blob_in);
if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- DATA_BLOB null = data_blob(NULL, 0);
+ DATA_BLOB null_blob = data_blob(NULL, 0);
if (turn == 1) {
/* and wrap it in a SPNEGO wrapper */
msg1 = gen_negTokenInit(OID_NTLMSSP, blob_out);
@@ -562,7 +568,7 @@ static BOOL cli_session_setup_ntlmssp(struct cli_state *cli, const char *user,
cli_simple_set_signing(cli,
ntlmssp_state->session_key.data,
- null);
+ null_blob);
/* now send that blob on its way */
if (!cli_session_setup_blob_send(cli, msg1)) {
diff --git a/source3/libsmb/clikrb5.c b/source3/libsmb/clikrb5.c
index ba8ba11368..beac8cb2c1 100644
--- a/source3/libsmb/clikrb5.c
+++ b/source3/libsmb/clikrb5.c
@@ -305,7 +305,7 @@ cleanup_princ:
/*
get a kerberos5 ticket for the given service
*/
-DATA_BLOB cli_krb5_get_ticket(const char *principal, time_t time_offset)
+DATA_BLOB cli_krb5_get_ticket(const char *principal, time_t time_offset, unsigned char session_key_krb5[16])
{
krb5_error_code retval;
krb5_data packet;
@@ -345,13 +345,15 @@ DATA_BLOB cli_krb5_get_ticket(const char *principal, time_t time_offset)
}
if ((retval = ads_krb5_mk_req(context,
- &auth_context,
- 0,
- principal,
- ccdef, &packet))) {
+ &auth_context,
+ AP_OPTS_USE_SUBKEY,
+ principal,
+ ccdef, &packet))) {
goto failed;
}
+ get_krb5_smb_session_key(context, auth_context, session_key_krb5, False);
+
ret = data_blob(packet.data, packet.length);
/* Hmm, heimdal dooesn't have this - what's the correct call? */
/* krb5_free_data_contents(context, &packet); */
@@ -365,17 +367,22 @@ failed:
return data_blob(NULL, 0);
}
- BOOL get_krb5_smb_session_key(krb5_context context, krb5_auth_context auth_context, uint8 session_key[16])
+ BOOL get_krb5_smb_session_key(krb5_context context, krb5_auth_context auth_context, uint8 session_key[16], BOOL remote)
{
#ifdef ENCTYPE_ARCFOUR_HMAC
krb5_keyblock *skey;
#endif
BOOL ret = False;
+ krb5_error_code err;
memset(session_key, 0, 16);
#ifdef ENCTYPE_ARCFOUR_HMAC
- if (krb5_auth_con_getremotesubkey(context, auth_context, &skey) == 0 && skey != NULL) {
+ if (remote)
+ err = krb5_auth_con_getremotesubkey(context, auth_context, &skey);
+ else
+ err = krb5_auth_con_getlocalsubkey(context, auth_context, &skey);
+ if (err == 0 && skey != NULL) {
if (KRB5_KEY_TYPE(skey) ==
ENCTYPE_ARCFOUR_HMAC
&& KRB5_KEY_LENGTH(skey) == 16) {
@@ -403,7 +410,7 @@ failed:
#else /* HAVE_KRB5 */
/* this saves a few linking headaches */
-DATA_BLOB cli_krb5_get_ticket(const char *principal, time_t time_offset)
+DATA_BLOB cli_krb5_get_ticket(const char *principal, time_t time_offset, unsigned char session_key_krb5[16])
{
DEBUG(0,("NO KERBEROS SUPPORT\n"));
return data_blob(NULL, 0);
diff --git a/source3/libsmb/clispnego.c b/source3/libsmb/clispnego.c
index bb48f57915..fbf8323679 100644
--- a/source3/libsmb/clispnego.c
+++ b/source3/libsmb/clispnego.c
@@ -323,13 +323,13 @@ BOOL spnego_parse_krb5_wrap(DATA_BLOB blob, DATA_BLOB *ticket, uint8 tok_id[2])
generate a SPNEGO negTokenTarg packet, ready for a EXTENDED_SECURITY
kerberos session setup
*/
-DATA_BLOB spnego_gen_negTokenTarg(const char *principal, int time_offset)
+DATA_BLOB spnego_gen_negTokenTarg(const char *principal, int time_offset, unsigned char session_key_krb5[16])
{
DATA_BLOB tkt, tkt_wrapped, targ;
const char *krb_mechs[] = {OID_KERBEROS5_OLD, OID_NTLMSSP, NULL};
- /* get a kerberos ticket for the service */
- tkt = cli_krb5_get_ticket(principal, time_offset);
+ /* get a kerberos ticket for the service and extract the session key */
+ tkt = cli_krb5_get_ticket(principal, time_offset, session_key_krb5);
/* wrap that up in a nice GSS-API wrapping */
tkt_wrapped = spnego_gen_krb5_wrap(tkt, TOK_ID_KRB_AP_REQ);
diff --git a/source3/libsmb/smb_signing.c b/source3/libsmb/smb_signing.c
index 4a98b84826..977d5e3905 100644
--- a/source3/libsmb/smb_signing.c
+++ b/source3/libsmb/smb_signing.c
@@ -330,6 +330,21 @@ static BOOL client_check_incoming_message(char *inbuf, struct smb_sign_info *si)
DEBUG(5, ("client_check_incoming_message: BAD SIG: got SMB signature of\n"));
dump_data(5, server_sent_mac, 8);
+#if 0 /* JRATEST */
+ {
+ int i;
+ reply_seq_number -= 5;
+ for (i = 0; i < 10; i++, reply_seq_number++) {
+ simple_packet_signature(data, inbuf, reply_seq_number, calc_md5_mac);
+ if (memcmp(server_sent_mac, calc_md5_mac, 8) == 0) {
+ DEBUG(0,("client_check_incoming_message: out of seq. seq num %u matches.\n",
+ reply_seq_number ));
+ break;
+ }
+ }
+ }
+#endif /* JRATEST */
+
}
return signing_good(inbuf, si, good);
}
generated by cgit (git 2.34.1) at 2024-07-08 06:18:08 +0000