116 lines
4.4 KiB
Diff
116 lines
4.4 KiB
Diff
From 3eb3f3bdabd103c3858323e08a9180913c223e16 Mon Sep 17 00:00:00 2001
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From: Andreas Schneider <asn@samba.org>
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Date: Tue, 9 Jul 2019 12:53:31 +0200
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Subject: [PATCH 016/187] libcli:auth: Pass samr_CryptPasswordEx to
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decode_rc4_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 79ca72ec3d13fea5d2ad608415757ca9870035a3)
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---
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libcli/auth/proto.h | 4 ++--
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libcli/auth/smbencrypt.c | 8 ++++----
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libcli/auth/tests/test_rc4_passwd_buffer.c | 5 +++--
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source3/rpc_server/samr/srv_samr_nt.c | 10 ++++------
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4 files changed, 13 insertions(+), 14 deletions(-)
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diff --git a/libcli/auth/proto.h b/libcli/auth/proto.h
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index 1bcbeddb228..a67c89d8552 100644
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--- a/libcli/auth/proto.h
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+++ b/libcli/auth/proto.h
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@@ -184,8 +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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-NTSTATUS decode_rc4_passwd_buffer(unsigned char pw_buf[532],
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- const DATA_BLOB *psession_key);
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+NTSTATUS decode_rc4_passwd_buffer(const DATA_BLOB *psession_key,
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+ struct samr_CryptPasswordEx *inout_crypt_pwd);
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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 7e343f71577..b7b17130f07 100644
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--- a/libcli/auth/smbencrypt.c
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+++ b/libcli/auth/smbencrypt.c
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@@ -843,12 +843,12 @@ 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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-NTSTATUS decode_rc4_passwd_buffer(unsigned char pw_buf[532],
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- const DATA_BLOB *psession_key)
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+NTSTATUS decode_rc4_passwd_buffer(const DATA_BLOB *psession_key,
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+ struct samr_CryptPasswordEx *inout_crypt_pwd)
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{
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/* Confounder is last 16 bytes. */
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- DATA_BLOB confounder = data_blob_const(&pw_buf[516], 16);
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- DATA_BLOB pw_data = data_blob_const(pw_buf, 516);
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+ DATA_BLOB confounder = data_blob_const(&inout_crypt_pwd->data[516], 16);
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+ DATA_BLOB pw_data = data_blob_const(&inout_crypt_pwd->data, 516);
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int rc;
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rc = samba_gnutls_arcfour_confounded_md5(&confounder,
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diff --git a/libcli/auth/tests/test_rc4_passwd_buffer.c b/libcli/auth/tests/test_rc4_passwd_buffer.c
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index eb737703230..3bf371c5dd5 100644
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--- a/libcli/auth/tests/test_rc4_passwd_buffer.c
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+++ b/libcli/auth/tests/test_rc4_passwd_buffer.c
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@@ -114,7 +114,7 @@ static void torture_decode_rc4_passwd_buffer(void **state)
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encrypted_test_blob,
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sizeof(out_pwd_buf.data));
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- status = decode_rc4_passwd_buffer(out_pwd_buf.data, &session_key);
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+ status = decode_rc4_passwd_buffer(&session_key, &out_pwd_buf);
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assert_true(NT_STATUS_IS_OK(status));
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ok = decode_pw_buffer(NULL,
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@@ -143,7 +143,7 @@ static void torture_rc4_passwd_buffer(void **state)
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&out_pwd_buf);
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assert_true(NT_STATUS_IS_OK(status));
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- status = decode_rc4_passwd_buffer(out_pwd_buf.data, &session_key);
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+ status = decode_rc4_passwd_buffer(&session_key, &out_pwd_buf);
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assert_true(NT_STATUS_IS_OK(status));
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ok = decode_pw_buffer(NULL,
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@@ -154,6 +154,7 @@ static void torture_rc4_passwd_buffer(void **state)
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assert_true(ok);
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assert_int_equal(password_decoded_len, strlen(PASSWORD));
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assert_string_equal(password_decoded, PASSWORD);
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+ talloc_free(password_decoded);
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}
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int main(int argc, char *argv[])
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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 4dc9132511f..fd5c453e0eb 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 +5185,8 @@ 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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- status = decode_rc4_passwd_buffer(
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- info->info25.password.data,
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- &session_key);
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+ status = decode_rc4_passwd_buffer(&session_key,
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+ &info->info25.password);
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if (!NT_STATUS_IS_OK(status)) {
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break;
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}
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@@ -5204,9 +5203,8 @@ 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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- status = decode_rc4_passwd_buffer(
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- info->info26.password.data,
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- &session_key);
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+ status = decode_rc4_passwd_buffer(&session_key,
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+ &info->info26.password);
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if (!NT_STATUS_IS_OK(status)) {
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break;
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}
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--
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2.23.0
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