[SCM] Samba Shared Repository - branch master updated -
release-4-0-0alpha7-671-g97a086d
Stefan Metzmacher
metze at samba.org
Mon Mar 23 11:50:51 GMT 2009
The branch, master has been updated
via 97a086d5c4e84616065cbbc68d47d82de0fe0db5 (commit)
via 6af15943c6f868d08945d0ca993506c17107fbd4 (commit)
via c16c90a1cb3b0e2ceadd3dea835a4e69acfc2fae (commit)
via 2654653f55ed5744cc9fca6a79127386f55425e1 (commit)
via 1a48d0793b9d3a76aff76580661626e5cd95f427 (commit)
from 7716ad68a8d859ac3651c4eb559b6e45d98566db (commit)
http://gitweb.samba.org/?p=samba.git;a=shortlog;h=master
- Log -----------------------------------------------------------------
commit 97a086d5c4e84616065cbbc68d47d82de0fe0db5
Author: Stefan Metzmacher <metze at samba.org>
Date: Fri Mar 6 16:35:34 2009 +0100
selftest/Samba3: Test smb signing against the member server
metze
commit 6af15943c6f868d08945d0ca993506c17107fbd4
Author: Stefan Metzmacher <metze at samba.org>
Date: Mon Mar 9 09:50:36 2009 +0100
s3:libsmb: use new simplified smb_signing code for the client side
We store the seqnum/mid mapping in the cli_request structure
for async requests and in the cli_state structure for sync calls.
We skip the signing check for oplock requests while waiting
for async requests coming in.
metze
commit c16c90a1cb3b0e2ceadd3dea835a4e69acfc2fae
Author: Stefan Metzmacher <metze at samba.org>
Date: Mon Mar 9 09:47:59 2009 +0100
s3:smbd: use new simplified snb_signing code in the server
We keep the seqnum/mid mapping in the smb_request structure.
This also moves one global variable into the
smbd_server_connection struct.
metze
commit 2654653f55ed5744cc9fca6a79127386f55425e1
Author: Stefan Metzmacher <metze at samba.org>
Date: Mon Mar 9 08:42:05 2009 +0100
s3:libsmb: add a much simplified smb_siging infrastructure
It's the job of the caller to maintain the seqnum/mid mapping.
Hopefully we can use this code in s4 later too.
metze
commit 1a48d0793b9d3a76aff76580661626e5cd95f427
Author: Stefan Metzmacher <metze at samba.org>
Date: Sun Mar 8 17:47:08 2009 +0100
s3:libsmb: rename smb_signing.c => clisigning.c
This prepares a large simplification of the smb_signing code
metze
-----------------------------------------------------------------------
Summary of changes:
selftest/target/Samba3.pm | 1 +
source3/Makefile.in | 5 +-
source3/include/async_smb.h | 2 +
source3/include/client.h | 10 +-
source3/include/includes.h | 1 +
source3/include/proto.h | 49 ++-
source3/include/smb.h | 17 +-
source3/include/smb_signing.h | 46 ++
source3/libsmb/async_smb.c | 43 ++-
source3/libsmb/cliconnect.c | 39 +-
source3/libsmb/clientgen.c | 104 ++++-
source3/libsmb/clisigning.c | 87 ++++
source3/libsmb/clitrans.c | 54 ++-
source3/libsmb/smb_signing.c | 1020 ++++++++---------------------------------
source3/param/loadparm.c | 11 +-
source3/selftest/tests.sh | 4 +
source3/smbd/aio.c | 13 +-
source3/smbd/blocking.c | 5 +-
source3/smbd/globals.h | 1 +
source3/smbd/ipc.c | 4 +
source3/smbd/negprot.c | 2 +-
source3/smbd/notify.c | 7 +-
source3/smbd/nttrans.c | 3 +-
source3/smbd/open.c | 9 -
source3/smbd/oplock.c | 27 +-
source3/smbd/password.c | 8 +-
source3/smbd/pipes.c | 1 +
source3/smbd/process.c | 50 ++-
source3/smbd/reply.c | 24 +-
source3/smbd/service.c | 2 +-
source3/smbd/sesssetup.c | 25 -
source3/smbd/signing.c | 158 +++++++
source3/smbd/trans2.c | 5 +-
33 files changed, 796 insertions(+), 1041 deletions(-)
create mode 100644 source3/include/smb_signing.h
create mode 100644 source3/libsmb/clisigning.c
create mode 100644 source3/smbd/signing.c
Changeset truncated at 500 lines:
diff --git a/selftest/target/Samba3.pm b/selftest/target/Samba3.pm
index 78aafa7..0b176d6 100644
--- a/selftest/target/Samba3.pm
+++ b/selftest/target/Samba3.pm
@@ -144,6 +144,7 @@ sub setup_member($$$)
my $member_options = "
security = domain
+ server signing = on
";
my $ret = $self->provision($prefix,
"LOCALMEMBER3",
diff --git a/source3/Makefile.in b/source3/Makefile.in
index 49cf840..46216c7 100644
--- a/source3/Makefile.in
+++ b/source3/Makefile.in
@@ -364,7 +364,8 @@ LIB_OBJ = $(LIBSAMBAUTIL_OBJ) $(UTIL_OBJ) $(CRYPTO_OBJ) \
lib/util.o lib/util_sock.o lib/sock_exec.o lib/util_sec.o \
lib/substitute.o lib/dbwrap_util.o \
lib/ms_fnmatch.o lib/select.o lib/errmap_unix.o \
- lib/tallocmsg.o lib/dmallocmsg.o libsmb/smb_signing.o \
+ lib/tallocmsg.o lib/dmallocmsg.o \
+ libsmb/clisigning.o libsmb/smb_signing.o \
lib/iconv.o lib/pam_errors.o intl/lang_tdb.o \
lib/conn_tdb.o lib/adt_tree.o lib/gencache.o \
lib/module.o lib/events.o @LIBTEVENT_OBJ0@ \
@@ -732,7 +733,7 @@ SMBD_OBJ_SRV = smbd/files.o smbd/chgpasswd.o smbd/connection.o \
smbd/change_trust_pw.o smbd/fake_file.o \
smbd/quotas.o smbd/ntquotas.o $(AFS_OBJ) smbd/msdfs.o \
$(AFS_SETTOKEN_OBJ) smbd/aio.o smbd/statvfs.o \
- smbd/dmapi.o \
+ smbd/dmapi.o smbd/signing.o \
smbd/file_access.o \
smbd/dnsregister.o smbd/globals.o \
$(MANGLE_OBJ) @VFS_STATIC@
diff --git a/source3/include/async_smb.h b/source3/include/async_smb.h
index 7fc4ff7..2ac1101 100644
--- a/source3/include/async_smb.h
+++ b/source3/include/async_smb.h
@@ -63,6 +63,8 @@ struct cli_request {
*/
uint16_t mid;
+ uint32_t seqnum;
+
/**
* The bytes we have to ship to the server
*/
diff --git a/source3/include/client.h b/source3/include/client.h
index 320a90e..db19f34 100644
--- a/source3/include/client.h
+++ b/source3/include/client.h
@@ -166,6 +166,13 @@ struct smb_trans_enc_state {
} s;
};
+struct cli_state_seqnum {
+ struct cli_state_seqnum *prev, *next;
+ uint16_t mid;
+ uint32_t seqnum;
+ bool persistent;
+};
+
struct cli_state {
/**
* A list of subsidiary connections for DFS.
@@ -217,6 +224,7 @@ struct cli_state {
size_t max_xmit;
size_t max_mux;
char *outbuf;
+ struct cli_state_seqnum *seqnum;
char *inbuf;
unsigned int bufsize;
int initialised;
@@ -231,7 +239,7 @@ struct cli_state {
TALLOC_CTX *call_mem_ctx;
#endif
- smb_sign_info sign_info;
+ struct smb_signing_state *signing_state;
struct smb_trans_enc_state *trans_enc_state; /* Setup if we're encrypting SMB's. */
diff --git a/source3/include/includes.h b/source3/include/includes.h
index 4bf4b5c..c883e17 100644
--- a/source3/include/includes.h
+++ b/source3/include/includes.h
@@ -598,6 +598,7 @@ struct smb_iconv_convenience *lp_iconv_convenience(void *lp_ctx);
#include "messages.h"
#include "locking.h"
#include "smb_perfcount.h"
+#include "smb_signing.h"
#include "smb.h"
#include "nameserv.h"
#include "secrets.h"
diff --git a/source3/include/proto.h b/source3/include/proto.h
index c84b1cb..d93c4a5 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -2410,6 +2410,10 @@ bool receive_getdc_response(TALLOC_CTX *mem_ctx,
int cli_set_message(char *buf,int num_words,int num_bytes,bool zero);
unsigned int cli_set_timeout(struct cli_state *cli, unsigned int timeout);
void cli_set_port(struct cli_state *cli, int port);
+bool cli_state_seqnum_persistent(struct cli_state *cli,
+ uint16_t mid);
+bool cli_state_seqnum_remove(struct cli_state *cli,
+ uint16_t mid);
bool cli_receive_smb(struct cli_state *cli);
ssize_t cli_receive_smb_data(struct cli_state *cli, char *buffer, size_t len);
bool cli_receive_smb_readX_header(struct cli_state *cli);
@@ -3181,29 +3185,34 @@ void cli_free_enc_buffer(struct cli_state *cli, char *buf);
NTSTATUS cli_decrypt_message(struct cli_state *cli);
NTSTATUS cli_encrypt_message(struct cli_state *cli, char *buf, char **buf_out);
-/* The following definitions come from libsmb/smb_signing.c */
+/* The following definitions come from libsmb/clisigning.c */
bool cli_simple_set_signing(struct cli_state *cli,
const DATA_BLOB user_session_key,
const DATA_BLOB response);
-bool cli_null_set_signing(struct cli_state *cli);
bool cli_temp_set_signing(struct cli_state *cli);
-void cli_free_signing_context(struct cli_state *cli);
-void cli_calculate_sign_mac(struct cli_state *cli, char *buf);
-bool cli_check_sign_mac(struct cli_state *cli, char *buf);
-bool client_set_trans_sign_state_on(struct cli_state *cli, uint16 mid);
-bool client_set_trans_sign_state_off(struct cli_state *cli, uint16 mid);
+void cli_calculate_sign_mac(struct cli_state *cli, char *buf, uint32_t *seqnum);
+bool cli_check_sign_mac(struct cli_state *cli, const char *buf, uint32_t seqnum);
bool client_is_signing_on(struct cli_state *cli);
-bool srv_oplock_set_signing(bool onoff);
-bool srv_check_sign_mac(const char *inbuf, bool must_be_ok);
-void srv_calculate_sign_mac(char *outbuf);
-void srv_defer_sign_response(uint16 mid);
-void srv_cancel_sign_response(uint16 mid, bool cancel);
-void srv_set_signing_negotiated(void);
-bool srv_is_signing_active(void);
-bool srv_is_signing_negotiated(void);
-bool srv_signing_started(void);
-void srv_set_signing(const DATA_BLOB user_session_key, const DATA_BLOB response);
+bool client_is_signing_allowed(struct cli_state *cli);
+bool client_is_signing_mandatory(struct cli_state *cli);
+void cli_set_signing_negotiated(struct cli_state *cli);
+
+/* The following definitions come from smbd/signing.c */
+
+struct smbd_server_connection;
+bool srv_check_sign_mac(struct smbd_server_connection *conn,
+ const char *inbuf, uint32_t *seqnum);
+void srv_calculate_sign_mac(struct smbd_server_connection *conn,
+ char *outbuf, uint32_t seqnum);
+void srv_cancel_sign_response(struct smbd_server_connection *conn);
+bool srv_init_signing(struct smbd_server_connection *conn);
+void srv_set_signing_negotiated(struct smbd_server_connection *conn);
+bool srv_is_signing_active(struct smbd_server_connection *conn);
+bool srv_is_signing_negotiated(struct smbd_server_connection *conn);
+void srv_set_signing(struct smbd_server_connection *conn,
+ const DATA_BLOB user_session_key,
+ const DATA_BLOB response);
/* The following definitions come from libsmb/smbdes.c */
@@ -4347,7 +4356,7 @@ const char *lp_printcapname(void);
bool lp_disable_spoolss( void );
void lp_set_spoolss_state( uint32 state );
uint32 lp_get_spoolss_state( void );
-bool lp_use_sendfile(int snum);
+bool lp_use_sendfile(int snum, struct smb_signing_state *signing_state);
void set_use_sendfile(int snum, bool val);
void set_store_dos_attributes(int snum, bool val);
void lp_set_mangling_method(const char *new_method);
@@ -6722,7 +6731,9 @@ SEC_DESC *get_nt_acl_no_snum( TALLOC_CTX *ctx, const char *fname);
void smbd_setup_sig_term_handler(void);
void smbd_setup_sig_hup_handler(void);
-bool srv_send_smb(int fd, char *buffer, bool do_encrypt,
+bool srv_send_smb(int fd, char *buffer,
+ bool no_signing, uint32_t seqnum,
+ bool do_encrypt,
struct smb_perfcount_data *pcd);
int srv_set_message(char *buf,
int num_words,
diff --git a/source3/include/smb.h b/source3/include/smb.h
index 281a218..84aa36a 100644
--- a/source3/include/smb.h
+++ b/source3/include/smb.h
@@ -621,6 +621,7 @@ struct smb_request {
uint16 flags2;
uint16 smbpid;
uint16 mid;
+ uint32_t seqnum;
uint16 vuid;
uint16 tid;
uint8 wct;
@@ -722,6 +723,7 @@ struct pending_message_list {
struct timeval request_time; /* When was this first issued? */
struct timed_event *te;
struct smb_perfcount_data pcd;
+ uint32_t seqnum;
bool encrypted;
DATA_BLOB buf;
DATA_BLOB private_data;
@@ -1847,21 +1849,6 @@ struct ip_service {
/* Special name type used to cause a _kerberos DNS lookup. */
#define KDC_NAME_TYPE 0xDCDC
-/* Used by the SMB signing functions. */
-
-typedef struct smb_sign_info {
- void (*sign_outgoing_message)(char *outbuf, struct smb_sign_info *si);
- bool (*check_incoming_message)(const char *inbuf, struct smb_sign_info *si, bool must_be_ok);
- void (*free_signing_context)(struct smb_sign_info *si);
- void *signing_context;
-
- bool negotiated_smb_signing;
- bool allow_smb_signing;
- bool doing_signing;
- bool mandatory_signing;
- bool seen_valid; /* Have I ever seen a validly signed packet? */
-} smb_sign_info;
-
struct ea_struct {
uint8 flags;
char *name;
diff --git a/source3/include/smb_signing.h b/source3/include/smb_signing.h
new file mode 100644
index 0000000..770c40c
--- /dev/null
+++ b/source3/include/smb_signing.h
@@ -0,0 +1,46 @@
+/*
+ Unix SMB/CIFS implementation.
+ SMB Signing Code
+ Copyright (C) Jeremy Allison 2003.
+ Copyright (C) Andrew Bartlett <abartlet at samba.org> 2002-2003
+ Copyright (C) Stefan Metzmacher 2009
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SMB_SIGNING_H_
+#define _SMB_SIGNING_H_
+
+struct smb_signing_state;
+
+struct smb_signing_state *smb_signing_init(TALLOC_CTX *mem_ctx,
+ bool allowed,
+ bool mandatory);
+uint32_t smb_signing_next_seqnum(struct smb_signing_state *si, bool oneway);
+void smb_signing_cancel_reply(struct smb_signing_state *si, bool oneway);
+void smb_signing_sign_pdu(struct smb_signing_state *si,
+ uint8_t *outbuf, uint32_t seqnum);
+bool smb_signing_check_pdu(struct smb_signing_state *si,
+ const uint8_t *inbuf, uint32_t seqnum);
+bool smb_signing_set_bsrspyl(struct smb_signing_state *si);
+bool smb_signing_activate(struct smb_signing_state *si,
+ const DATA_BLOB user_session_key,
+ const DATA_BLOB response);
+bool smb_signing_is_active(struct smb_signing_state *si);
+bool smb_signing_is_allowed(struct smb_signing_state *si);
+bool smb_signing_is_mandatory(struct smb_signing_state *si);
+bool smb_signing_set_negotiated(struct smb_signing_state *si);
+bool smb_signing_is_negotiated(struct smb_signing_state *si);
+
+#endif /* _SMB_SIGNING_H_ */
diff --git a/source3/libsmb/async_smb.c b/source3/libsmb/async_smb.c
index 066ac7b..86fd5c8 100644
--- a/source3/libsmb/async_smb.c
+++ b/source3/libsmb/async_smb.c
@@ -550,7 +550,7 @@ void cli_chain_uncork(struct cli_state *cli)
_smb_setlen_large(((char *)req->outbuf), smblen);
}
- cli_calculate_sign_mac(cli, (char *)req->outbuf);
+ cli_calculate_sign_mac(cli, (char *)req->outbuf, &req->seqnum);
if (cli_encryption_on(cli)) {
NTSTATUS status;
@@ -811,9 +811,16 @@ NTSTATUS cli_pull_reply(struct async_req *req,
*/
-static NTSTATUS validate_smb_crypto(struct cli_state *cli, char *pdu)
+static NTSTATUS validate_smb_crypto(struct cli_state *cli, char *pdu,
+ struct cli_request **_req,
+ uint16_t *_mid)
{
NTSTATUS status;
+ struct cli_request *req = NULL;
+ uint16_t mid;
+
+ *_req = NULL;
+ *_mid = 0;
if ((IVAL(pdu, 4) != 0x424d53ff) /* 0xFF"SMB" */
&& (SVAL(pdu, 4) != 0x45ff)) /* 0xFF"E" */ {
@@ -846,11 +853,27 @@ static NTSTATUS validate_smb_crypto(struct cli_state *cli, char *pdu)
}
}
- if (!cli_check_sign_mac(cli, pdu)) {
+ mid = SVAL(pdu, smb_mid);
+
+ for (req = cli->outstanding_requests; req; req = req->next) {
+ if (req->mid == mid) {
+ break;
+ }
+ }
+
+ if (!req) {
+ /* oplock breaks are not signed */
+ goto done;
+ }
+
+ if (!cli_check_sign_mac(cli, pdu, req->seqnum+1)) {
DEBUG(10, ("cli_check_sign_mac failed\n"));
return NT_STATUS_ACCESS_DENIED;
}
+done:
+ *_req = req;
+ *_mid = mid;
return NT_STATUS_OK;
}
@@ -863,7 +886,7 @@ static void handle_incoming_pdu(struct cli_state *cli)
{
struct cli_request *req, *next;
uint16_t mid;
- size_t raw_pdu_len, buf_len, pdu_len, rest_len;
+ size_t raw_pdu_len, buf_len, rest_len;
char *pdu;
int i;
NTSTATUS status;
@@ -923,23 +946,13 @@ static void handle_incoming_pdu(struct cli_state *cli)
}
}
- status = validate_smb_crypto(cli, pdu);
+ status = validate_smb_crypto(cli, pdu, &req, &mid);
if (!NT_STATUS_IS_OK(status)) {
goto invalidate_requests;
}
- mid = SVAL(pdu, smb_mid);
-
DEBUG(10, ("handle_incoming_pdu: got mid %d\n", mid));
- for (req = cli->outstanding_requests; req; req = req->next) {
- if (req->mid == mid) {
- break;
- }
- }
-
- pdu_len = smb_len(pdu) + 4;
-
if (req == NULL) {
DEBUG(3, ("Request for mid %d not found, dumping PDU\n", mid));
diff --git a/source3/libsmb/cliconnect.c b/source3/libsmb/cliconnect.c
index 525c361..aa1ca59 100644
--- a/source3/libsmb/cliconnect.c
+++ b/source3/libsmb/cliconnect.c
@@ -505,11 +505,7 @@ static NTSTATUS cli_session_setup_nt1(struct cli_state *cli, const char *user,
ok = cli_simple_set_signing(cli, session_key, nt_response);
#endif
if (ok) {
- /* 'resign' the last message, so we get the right sequence numbers
- for checking the first reply from the server */
- cli_calculate_sign_mac(cli, cli->outbuf);
-
- if (!cli_check_sign_mac(cli, cli->inbuf)) {
+ if (!cli_check_sign_mac(cli, cli->inbuf, 1)) {
result = NT_STATUS_ACCESS_DENIED;
goto end;
}
@@ -747,11 +743,7 @@ static ADS_STATUS cli_session_setup_kerberos(struct cli_state *cli, const char *
if (cli_simple_set_signing(
cli, session_key_krb5, data_blob_null)) {
- /* 'resign' the last message, so we get the right sequence numbers
- for checking the first reply from the server */
- cli_calculate_sign_mac(cli, cli->outbuf);
-
- if (!cli_check_sign_mac(cli, cli->inbuf)) {
+ if (!cli_check_sign_mac(cli, cli->inbuf, 1)) {
nt_status = NT_STATUS_ACCESS_DENIED;
goto nt_error;
}
@@ -873,11 +865,7 @@ static NTSTATUS cli_session_setup_ntlmssp(struct cli_state *cli, const char *use
if (cli_simple_set_signing(
cli, ntlmssp_state->session_key, data_blob_null)) {
- /* 'resign' the last message, so we get the right sequence numbers
- for checking the first reply from the server */
- cli_calculate_sign_mac(cli, cli->outbuf);
-
- if (!cli_check_sign_mac(cli, cli->inbuf)) {
+ if (!cli_check_sign_mac(cli, cli->inbuf, 1)) {
nt_status = NT_STATUS_ACCESS_DENIED;
}
}
@@ -1540,13 +1528,16 @@ NTSTATUS cli_negprot_recv(struct async_req *req)
cli->protocol = prots[protnum].prot;
- if ((cli->protocol < PROTOCOL_NT1) && cli->sign_info.mandatory_signing) {
+ if ((cli->protocol < PROTOCOL_NT1) &&
+ client_is_signing_mandatory(cli)) {
DEBUG(0,("cli_negprot: SMB signing is mandatory and the selected protocol level doesn't support it.\n"));
return NT_STATUS_ACCESS_DENIED;
}
if (cli->protocol >= PROTOCOL_NT1) {
struct timespec ts;
+ bool negotiated_smb_signing = false;
+
/* NT protocol */
cli->sec_mode = CVAL(vwv + 1, 0);
cli->max_mux = SVAL(vwv + 1, 1);
@@ -1579,22 +1570,24 @@ NTSTATUS cli_negprot_recv(struct async_req *req)
if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_REQUIRED) {
/* Fail if server says signing is mandatory and we don't want to support it. */
- if (!cli->sign_info.allow_smb_signing) {
+ if (!client_is_signing_allowed(cli)) {
DEBUG(0,("cli_negprot: SMB signing is mandatory and we have disabled it.\n"));
return NT_STATUS_ACCESS_DENIED;
}
- cli->sign_info.negotiated_smb_signing = True;
- cli->sign_info.mandatory_signing = True;
- } else if (cli->sign_info.mandatory_signing && cli->sign_info.allow_smb_signing) {
+ negotiated_smb_signing = true;
+ } else if (client_is_signing_mandatory(cli) && client_is_signing_allowed(cli)) {
/* Fail if client says signing is mandatory and the server doesn't support it. */
if (!(cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED)) {
DEBUG(1,("cli_negprot: SMB signing is mandatory and the server doesn't support it.\n"));
return NT_STATUS_ACCESS_DENIED;
}
- cli->sign_info.negotiated_smb_signing = True;
- cli->sign_info.mandatory_signing = True;
+ negotiated_smb_signing = true;
} else if (cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED) {
- cli->sign_info.negotiated_smb_signing = True;
+ negotiated_smb_signing = true;
+ }
+
+ if (negotiated_smb_signing) {
+ cli_set_signing_negotiated(cli);
}
if (cli->capabilities & (CAP_LARGE_READX|CAP_LARGE_WRITEX)) {
diff --git a/source3/libsmb/clientgen.c b/source3/libsmb/clientgen.c
index c1ba4e5..6186387 100644
--- a/source3/libsmb/clientgen.c
+++ b/source3/libsmb/clientgen.c
@@ -135,6 +135,79 @@ static ssize_t client_receive_smb(struct cli_state *cli, size_t maxlen)
return len;
}
+static bool cli_state_set_seqnum(struct cli_state *cli, uint16_t mid, uint32_t seqnum)
+{
+ struct cli_state_seqnum *c;
+
+ for (c = cli->seqnum; c; c = c->next) {
+ if (c->mid == mid) {
+ c->seqnum = seqnum;
+ return true;
+ }
+ }
+
+ c = talloc_zero(cli, struct cli_state_seqnum);
+ if (!c) {
+ return false;
+ }
+
+ c->mid = mid;
+ c->seqnum = seqnum;
+ c->persistent = false;
+ DLIST_ADD_END(cli->seqnum, c, struct cli_state_seqnum *);
+
+ return true;
+}
+
+bool cli_state_seqnum_persistent(struct cli_state *cli,
+ uint16_t mid)
+{
+ struct cli_state_seqnum *c;
+
--
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