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From 6125794925d054da191cf6c21a76ceb904848710 Mon Sep 17 00:00:00 2001
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From: Andreas Schneider <asn@samba.org>
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Date: Wed, 29 May 2019 14:57:52 +0200
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Subject: [PATCH 010/187] libcli:auth: Return NTSTATUS for
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encode_or_decode_arc4_passwd_buffer()
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BUG: https://bugzilla.samba.org/show_bug.cgi?id=14031
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Signed-off-by: Andreas Schneider <asn@samba.org>
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Reviewed-by: Andrew Bartlett <abartlet@samba.org>
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(cherry picked from commit 57dd415ba49b9621deddf604a5bf148c10ebc37e)
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---
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libcli/auth/proto.h | 3 ++-
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libcli/auth/smbencrypt.c | 10 ++++++++--
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source3/rpc_server/samr/srv_samr_nt.c | 10 ++++++++--
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3 files changed, 18 insertions(+), 5 deletions(-)
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diff --git a/libcli/auth/proto.h b/libcli/auth/proto.h
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index afd7f0d148d..651f1139cf5 100644
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--- a/libcli/auth/proto.h
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+++ b/libcli/auth/proto.h
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@@ -184,7 +184,8 @@ bool decode_pw_buffer(TALLOC_CTX *ctx,
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/***********************************************************
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Decode an arc4 encrypted password change buffer.
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************************************************************/
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-void encode_or_decode_arc4_passwd_buffer(unsigned char pw_buf[532], const DATA_BLOB *psession_key);
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+NTSTATUS encode_or_decode_arc4_passwd_buffer(unsigned char pw_buf[532],
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+ const DATA_BLOB *psession_key);
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/***********************************************************
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encode a password buffer with an already unicode password. The
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diff --git a/libcli/auth/smbencrypt.c b/libcli/auth/smbencrypt.c
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index a74ccf09b02..ae97f3cc93e 100644
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--- a/libcli/auth/smbencrypt.c
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+++ b/libcli/auth/smbencrypt.c
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@@ -843,27 +843,32 @@ bool decode_pw_buffer(TALLOC_CTX *ctx,
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Decode an arc4 encrypted password change buffer.
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************************************************************/
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-void encode_or_decode_arc4_passwd_buffer(unsigned char pw_buf[532], const DATA_BLOB *psession_key)
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+NTSTATUS encode_or_decode_arc4_passwd_buffer(unsigned char pw_buf[532],
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+ const DATA_BLOB *psession_key)
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{
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gnutls_hash_hd_t hash_hnd = NULL;
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unsigned char key_out[16];
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+ NTSTATUS status;
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int rc;
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/* Confounder is last 16 bytes. */
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rc = gnutls_hash_init(&hash_hnd, GNUTLS_DIG_MD5);
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if (rc < 0) {
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+ status = gnutls_error_to_ntstatus(rc, NT_STATUS_HASH_NOT_SUPPORTED);
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goto out;
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}
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rc = gnutls_hash(hash_hnd, &pw_buf[516], 16);
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if (rc < 0) {
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gnutls_hash_deinit(hash_hnd, NULL);
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+ status = gnutls_error_to_ntstatus(rc, NT_STATUS_HASH_NOT_SUPPORTED);
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goto out;
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}
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rc = gnutls_hash(hash_hnd, psession_key->data, psession_key->length);
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if (rc < 0) {
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gnutls_hash_deinit(hash_hnd, NULL);
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+ status = gnutls_error_to_ntstatus(rc, NT_STATUS_HASH_NOT_SUPPORTED);
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goto out;
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}
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gnutls_hash_deinit(hash_hnd, key_out);
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@@ -873,8 +878,9 @@ void encode_or_decode_arc4_passwd_buffer(unsigned char pw_buf[532], const DATA_B
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ZERO_ARRAY(key_out);
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+ status = NT_STATUS_OK;
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out:
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- return;
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+ return status;
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}
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/***********************************************************
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diff --git a/source3/rpc_server/samr/srv_samr_nt.c b/source3/rpc_server/samr/srv_samr_nt.c
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index 124d6d38cd7..c2be8bfc19a 100644
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--- a/source3/rpc_server/samr/srv_samr_nt.c
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+++ b/source3/rpc_server/samr/srv_samr_nt.c
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@@ -5185,9 +5185,12 @@ NTSTATUS _samr_SetUserInfo(struct pipes_struct *p,
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if(!NT_STATUS_IS_OK(status)) {
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break;
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}
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- encode_or_decode_arc4_passwd_buffer(
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+ status = encode_or_decode_arc4_passwd_buffer(
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info->info25.password.data,
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&session_key);
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+ if (!NT_STATUS_IS_OK(status)) {
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+ break;
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+ }
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dump_data(100, info->info25.password.data, 532);
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@@ -5201,9 +5204,12 @@ NTSTATUS _samr_SetUserInfo(struct pipes_struct *p,
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if(!NT_STATUS_IS_OK(status)) {
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break;
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}
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- encode_or_decode_arc4_passwd_buffer(
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+ status = encode_or_decode_arc4_passwd_buffer(
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info->info26.password.data,
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&session_key);
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+ if (!NT_STATUS_IS_OK(status)) {
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+ break;
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+ }
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dump_data(100, info->info26.password.data, 516);
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--
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2.23.0
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