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authorRichard Sharpe <sharpe@samba.org>2002-09-03 06:34:40 +0000
committerRichard Sharpe <sharpe@samba.org>2002-09-03 06:34:40 +0000
commitfc15341b8265f57a2bdd9be8a06c83e1fd90497a (patch)
tree2116c3c30bc4e32b57e0feb8c33a5bc1a4b4d6c7 /source3/libsmb
parent7616f86a63fb21d1a3f4d2076aa4f4b94e78ea43 (diff)
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Parse the NTLMSSP Challenge in cliconnect.c.
This gets us closer ... Should have the challenge now. Need to check that it works. (This used to be commit 5784835db95baf62362d35d3beab5d534cc776e9)
Diffstat (limited to 'source3/libsmb')
-rw-r--r--source3/libsmb/cliconnect.c30
1 files changed, 28 insertions, 2 deletions
diff --git a/source3/libsmb/cliconnect.c b/source3/libsmb/cliconnect.c
index 7ef9b2ab82..cb3b4373dc 100644
--- a/source3/libsmb/cliconnect.c
+++ b/source3/libsmb/cliconnect.c
@@ -473,11 +473,12 @@ static BOOL cli_session_setup_ntlmssp(struct cli_state *cli, char *user,
char *pass, char *workgroup)
{
const char *mechs[] = {OID_NTLMSSP, NULL};
- DATA_BLOB msg1;
+ DATA_BLOB msg1, struct_blob;
DATA_BLOB blob, chal1, chal2, auth;
uint8 challenge[8];
uint8 nthash[24], lmhash[24], sess_key[16];
- uint32 neg_flags;
+ uint32 neg_flags, chal_flags, ntlmssp_command, unkn1, unkn2;
+ pstring server_domain; /* FIX THIS, SHOULD be UCS2-LE */
neg_flags = NTLMSSP_NEGOTIATE_UNICODE |
NTLMSSP_NEGOTIATE_128 |
@@ -518,6 +519,31 @@ static BOOL cli_session_setup_ntlmssp(struct cli_state *cli, char *user,
data_blob_free(&blob);
+ /*
+ * Ok, chal1 and chal2 are actually two identical copies of
+ * the NTLMSSP Challenge BLOB, and they contain, encoded in them
+ * the challenge to use.
+ */
+
+ if (!msrpc_parse(&chal1, "CdUdbddB",
+ "NTLMSSP",
+ &ntlmssp_command,
+ &server_domain,
+ &chal_flags,
+ challenge, 8,
+ &unkn1, &unkn2,
+ struct_blob.data, &struct_blob.length)) {
+ DEBUG(0, ("Failed to parse the NTLMSSP Challenge\n"));
+ return False;
+ }
+
+ if (ntlmssp_command != NTLMSSP_CHALLENGE) {
+ DEBUG(0, ("NTLMSSP Response != NTLMSSP_CHALLENGE. Got %0X\n",
+ ntlmssp_command));
+ return False;
+ }
+
+
/* encrypt the password with the challenge */
memcpy(challenge, chal1.data + 24, 8);
SMBencrypt(pass, challenge,lmhash);