-/*
+/*
Unix SMB/CIFS implementation.
SMB Signing Code
Copyright (C) Jeremy Allison 2003.
Copyright (C) Andrew Bartlett <abartlet@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
#include "includes.h"
-/* Lookup a packet's MID (multiplex id) and figure out it's sequence number */
-struct outstanding_packet_lookup {
- struct outstanding_packet_lookup *prev, *next;
- uint16 mid;
- uint32 reply_seq_num;
- bool can_delete; /* Set to False in trans state. */
-};
-
-struct smb_basic_signing_context {
- DATA_BLOB mac_key;
- uint32 send_seq_num;
- struct outstanding_packet_lookup *outstanding_packet_list;
-};
-
-static bool store_sequence_for_reply(struct outstanding_packet_lookup **list,
- uint16 mid, uint32 reply_seq_num)
-{
- struct outstanding_packet_lookup *t;
-
- /* Ensure we only add a mid once. */
- for (t = *list; t; t = t->next) {
- if (t->mid == mid) {
- return False;
- }
- }
-
- t = SMB_XMALLOC_P(struct outstanding_packet_lookup);
- ZERO_STRUCTP(t);
-
- t->mid = mid;
- t->reply_seq_num = reply_seq_num;
- t->can_delete = True;
-
- /*
- * Add to the *start* of the list not the end of the list.
- * This ensures that the *last* send sequence with this mid
- * is returned by preference.
- * This can happen if the mid wraps and one of the early
- * mid numbers didn't get a reply and is still lurking on
- * the list. JRA. Found by Fran Fabrizio <fran@cis.uab.edu>.
- */
-
- DLIST_ADD(*list, t);
- DEBUG(10,("store_sequence_for_reply: stored seq = %u mid = %u\n",
- (unsigned int)reply_seq_num, (unsigned int)mid ));
- return True;
-}
-
-static bool get_sequence_for_reply(struct outstanding_packet_lookup **list,
- uint16 mid, uint32 *reply_seq_num)
-{
- struct outstanding_packet_lookup *t;
-
- for (t = *list; t; t = t->next) {
- if (t->mid == mid) {
- *reply_seq_num = t->reply_seq_num;
- DEBUG(10,("get_sequence_for_reply: found seq = %u mid = %u\n",
- (unsigned int)t->reply_seq_num, (unsigned int)t->mid ));
- if (t->can_delete) {
- DLIST_REMOVE(*list, t);
- SAFE_FREE(t);
- }
- return True;
- }
- }
- return False;
-}
-
-static bool set_sequence_can_delete_flag(struct outstanding_packet_lookup **list, uint16 mid, bool can_delete_entry)
-{
- struct outstanding_packet_lookup *t;
-
- for (t = *list; t; t = t->next) {
- if (t->mid == mid) {
- t->can_delete = can_delete_entry;
- return True;
- }
- }
- return False;
-}
-
-/***********************************************************
- SMB signing - Common code before we set a new signing implementation
-************************************************************/
-
-static bool cli_set_smb_signing_common(struct cli_state *cli)
-{
- if (!cli->sign_info.allow_smb_signing) {
- return False;
- }
-
- if (!cli->sign_info.negotiated_smb_signing
- && !cli->sign_info.mandatory_signing) {
- return False;
- }
-
- if (cli->sign_info.doing_signing) {
- return False;
- }
-
- if (cli->sign_info.free_signing_context)
- cli->sign_info.free_signing_context(&cli->sign_info);
-
- /* These calls are INCOMPATIBLE with SMB signing */
- cli->readbraw_supported = False;
- cli->writebraw_supported = False;
-
- return True;
-}
-
-/***********************************************************
- SMB signing - Common code for 'real' implementations
-************************************************************/
-
-static bool set_smb_signing_real_common(struct smb_sign_info *si)
-{
- if (si->mandatory_signing) {
- DEBUG(5, ("Mandatory SMB signing enabled!\n"));
- }
-
- si->doing_signing = True;
- DEBUG(5, ("SMB signing enabled!\n"));
-
- return True;
-}
-
-static void mark_packet_signed(char *outbuf)
-{
- uint16 flags2;
- flags2 = SVAL(outbuf,smb_flg2);
- flags2 |= FLAGS2_SMB_SECURITY_SIGNATURES;
- SSVAL(outbuf,smb_flg2, flags2);
-}
-
-/***********************************************************
- SMB signing - NULL implementation - calculate a MAC to send.
-************************************************************/
-
-static void null_sign_outgoing_message(char *outbuf, struct smb_sign_info *si)
-{
- /* we can't zero out the sig, as we might be trying to send a
- session request - which is NBT-level, not SMB level and doesn't
- have the field */
- return;
-}
-
-/***********************************************************
- SMB signing - NULL implementation - check a MAC sent by server.
-************************************************************/
-
-static bool null_check_incoming_message(const char *inbuf,
- struct smb_sign_info *si,
- bool must_be_ok)
-{
- return True;
-}
-
-/***********************************************************
- SMB signing - NULL implementation - free signing context
-************************************************************/
-
-static void null_free_signing_context(struct smb_sign_info *si)
-{
- return;
-}
-
-/**
- SMB signing - NULL implementation - setup the MAC key.
-
- @note Used as an initialisation only - it will not correctly
- shut down a real signing mechanism
-*/
-
-static bool null_set_signing(struct smb_sign_info *si)
-{
- si->signing_context = NULL;
-
- si->sign_outgoing_message = null_sign_outgoing_message;
- si->check_incoming_message = null_check_incoming_message;
- si->free_signing_context = null_free_signing_context;
-
- return True;
-}
-
-/**
- * Free the signing context
- */
-
-static void free_signing_context(struct smb_sign_info *si)
-{
- if (si->free_signing_context) {
- si->free_signing_context(si);
- si->signing_context = NULL;
- }
-
- null_set_signing(si);
-}
-
-
-static bool signing_good(const char *inbuf, struct smb_sign_info *si,
- bool good, uint32 seq, bool must_be_ok)
-{
- if (good) {
-
- if (!si->doing_signing) {
- si->doing_signing = True;
- }
-
- if (!si->seen_valid) {
- si->seen_valid = True;
- }
-
- } else {
- if (!si->mandatory_signing && !si->seen_valid) {
-
- if (!must_be_ok) {
- return True;
- }
- /* Non-mandatory signing - just turn off if this is the first bad packet.. */
- DEBUG(5, ("srv_check_incoming_message: signing negotiated but not required and peer\n"
- "isn't sending correct signatures. Turning off.\n"));
- si->negotiated_smb_signing = False;
- si->allow_smb_signing = False;
- si->doing_signing = False;
- free_signing_context(si);
- return True;
- } else if (!must_be_ok) {
- /* This packet is known to be unsigned */
- return True;
- } else {
- /* Mandatory signing or bad packet after signing started - fail and disconnect. */
- if (seq)
- DEBUG(0, ("signing_good: BAD SIG: seq %u\n", (unsigned int)seq));
- return False;
- }
- }
- return True;
-}
-
-/***********************************************************
- SMB signing - Simple implementation - calculate a MAC on the packet
-************************************************************/
-
-static void simple_packet_signature(struct smb_basic_signing_context *data,
- const uchar *buf, uint32 seq_number,
- unsigned char calc_md5_mac[16])
-{
- const size_t offset_end_of_sig = (smb_ss_field + 8);
- unsigned char sequence_buf[8];
- struct MD5Context md5_ctx;
-#if 0
- /* JRA - apparently this is incorrect. */
- unsigned char key_buf[16];
-#endif
-
- /*
- * Firstly put the sequence number into the first 4 bytes.
- * and zero out the next 4 bytes.
- *
- * We do this here, to avoid modifying the packet.
- */
-
- DEBUG(10,("simple_packet_signature: sequence number %u\n", seq_number ));
-
- SIVAL(sequence_buf, 0, seq_number);
- SIVAL(sequence_buf, 4, 0);
-
- /* Calculate the 16 byte MAC - but don't alter the data in the
- incoming packet.
-
- This makes for a bit of fussing about, but it's not too bad.
- */
- MD5Init(&md5_ctx);
-
- /* intialise with the key */
- MD5Update(&md5_ctx, data->mac_key.data, data->mac_key.length);
-#if 0
- /* JRA - apparently this is incorrect. */
- /* NB. When making and verifying SMB signatures, Windows apparently
- zero-pads the key to 128 bits if it isn't long enough.
- From Nalin Dahyabhai <nalin@redhat.com> */
- if (data->mac_key.length < sizeof(key_buf)) {
- memset(key_buf, 0, sizeof(key_buf));
- MD5Update(&md5_ctx, key_buf, sizeof(key_buf) - data->mac_key.length);
- }
-#endif
-
- /* copy in the first bit of the SMB header */
- MD5Update(&md5_ctx, buf + 4, smb_ss_field - 4);
-
- /* copy in the sequence number, instead of the signature */
- MD5Update(&md5_ctx, sequence_buf, sizeof(sequence_buf));
-
- /* copy in the rest of the packet in, skipping the signature */
- MD5Update(&md5_ctx, buf + offset_end_of_sig,
- smb_len(buf) - (offset_end_of_sig - 4));
-
- /* calculate the MD5 sig */
- MD5Final(calc_md5_mac, &md5_ctx);
-}
-
-
-/***********************************************************
- SMB signing - Client implementation - send the MAC.
-************************************************************/
-
-static void client_sign_outgoing_message(char *outbuf, struct smb_sign_info *si)
-{
- unsigned char calc_md5_mac[16];
- struct smb_basic_signing_context *data =
- (struct smb_basic_signing_context *)si->signing_context;
-
- if (!si->doing_signing)
- return;
-
- /* JRA Paranioa test - we should be able to get rid of this... */
- if (smb_len(outbuf) < (smb_ss_field + 8 - 4)) {
- DEBUG(1, ("client_sign_outgoing_message: Logic error. Can't check signature on short packet! smb_len = %u\n",
- smb_len(outbuf) ));
- abort();
- }
-
- /* mark the packet as signed - BEFORE we sign it...*/
- mark_packet_signed(outbuf);
-
- simple_packet_signature(data, (const unsigned char *)outbuf,
- data->send_seq_num, calc_md5_mac);
-
- DEBUG(10, ("client_sign_outgoing_message: sent SMB signature of\n"));
- dump_data(10, calc_md5_mac, 8);
-
- memcpy(&outbuf[smb_ss_field], calc_md5_mac, 8);
-
-/* cli->outbuf[smb_ss_field+2]=0;
- Uncomment this to test if the remote server actually verifies signatures...*/
-
- /* Instead of re-introducing the trans_info_conect we
- used to have here, we use the fact that during a
- SMBtrans/SMBtrans2/SMBnttrans send that the mid stays
- constant. This means that calling store_sequence_for_reply()
- will return False for all trans secondaries, as the mid is already
- on the stored sequence list. As the send_seqence_number must
- remain constant for all primary+secondary trans sends, we
- only increment the send sequence number when we successfully
- add a new entry to the outstanding sequence list. This means
- I can isolate the fix here rather than re-adding the trans
- signing on/off calls in libsmb/clitrans2.c JRA.
- */
-
- if (store_sequence_for_reply(&data->outstanding_packet_list, SVAL(outbuf,smb_mid), data->send_seq_num + 1)) {
- data->send_seq_num += 2;
- }
-}
-
-/***********************************************************
- SMB signing - Client implementation - check a MAC sent by server.
-************************************************************/
-
-static bool client_check_incoming_message(const char *inbuf,
- struct smb_sign_info *si,
- bool must_be_ok)
-{
- bool good;
- uint32 reply_seq_number;
- unsigned char calc_md5_mac[16];
- unsigned char *server_sent_mac;
-
- struct smb_basic_signing_context *data =
- (struct smb_basic_signing_context *)si->signing_context;
-
- if (!si->doing_signing)
- return True;
-
- if (smb_len(inbuf) < (smb_ss_field + 8 - 4)) {
- DEBUG(1, ("client_check_incoming_message: Can't check signature on short packet! smb_len = %u\n", smb_len(inbuf)));
- return False;
- }
-
- if (!get_sequence_for_reply(&data->outstanding_packet_list, SVAL(inbuf, smb_mid), &reply_seq_number)) {
- DEBUG(1, ("client_check_incoming_message: received message "
- "with mid %u with no matching send record.\n", (unsigned int)SVAL(inbuf, smb_mid) ));
- return False;
- }
-
- simple_packet_signature(data, (const unsigned char *)inbuf,
- reply_seq_number, calc_md5_mac);
-
- server_sent_mac = (unsigned char *)&inbuf[smb_ss_field];
- good = (memcmp(server_sent_mac, calc_md5_mac, 8) == 0);
-
- if (!good) {
- DEBUG(5, ("client_check_incoming_message: BAD SIG: wanted SMB signature of\n"));
- dump_data(5, calc_md5_mac, 8);
-
- DEBUG(5, ("client_check_incoming_message: BAD SIG: got SMB signature of\n"));
- dump_data(5, server_sent_mac, 8);
-#if 1 /* JRATEST */
- {
- int i;
- for (i = -5; i < 5; i++) {
- simple_packet_signature(data, (const unsigned char *)inbuf, reply_seq_number+i, 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. \
-We were expecting seq %u\n", reply_seq_number+i, reply_seq_number ));
- break;
- }
- }
- }
-#endif /* JRATEST */
-
- } else {
- DEBUG(10, ("client_check_incoming_message: seq %u: got good SMB signature of\n", (unsigned int)reply_seq_number));
- dump_data(10, server_sent_mac, 8);
- }
- return signing_good(inbuf, si, good, reply_seq_number, must_be_ok);
-}
-
-/***********************************************************
- SMB signing - Simple implementation - free signing context
-************************************************************/
-
-static void simple_free_signing_context(struct smb_sign_info *si)
-{
- struct smb_basic_signing_context *data =
- (struct smb_basic_signing_context *)si->signing_context;
- struct outstanding_packet_lookup *list;
- struct outstanding_packet_lookup *next;
-
- for (list = data->outstanding_packet_list; list; list = next) {
- next = list->next;
- DLIST_REMOVE(data->outstanding_packet_list, list);
- SAFE_FREE(list);
- }
-
- data_blob_free(&data->mac_key);
-
- SAFE_FREE(si->signing_context);
-
- return;
-}
-
-/***********************************************************
- SMB signing - Simple implementation - setup the MAC key.
-************************************************************/
-
bool cli_simple_set_signing(struct cli_state *cli,
const DATA_BLOB user_session_key,
const DATA_BLOB response)
{
- struct smb_basic_signing_context *data;
-
- if (!user_session_key.length)
- return False;
-
- if (!cli_set_smb_signing_common(cli)) {
- return False;
- }
-
- if (!set_smb_signing_real_common(&cli->sign_info)) {
- return False;
- }
-
- data = SMB_XMALLOC_P(struct smb_basic_signing_context);
- memset(data, '\0', sizeof(*data));
-
- cli->sign_info.signing_context = data;
-
- data->mac_key = data_blob(NULL, response.length + user_session_key.length);
-
- memcpy(&data->mac_key.data[0], user_session_key.data, user_session_key.length);
-
- DEBUG(10, ("cli_simple_set_signing: user_session_key\n"));
- dump_data(10, user_session_key.data, user_session_key.length);
+ bool ok;
- if (response.length) {
- memcpy(&data->mac_key.data[user_session_key.length],response.data, response.length);
- DEBUG(10, ("cli_simple_set_signing: response_data\n"));
- dump_data(10, response.data, response.length);
- } else {
- DEBUG(10, ("cli_simple_set_signing: NULL response_data\n"));
+ ok = smb_signing_activate(cli->signing_state,
+ user_session_key,
+ response);
+ if (!ok) {
+ return false;
}
- dump_data_pw("MAC ssession key is:\n", data->mac_key.data, data->mac_key.length);
+ cli->readbraw_supported = false;
+ cli->writebraw_supported = false;
- /* Initialise the sequence number */
- data->send_seq_num = 0;
-
- /* Initialise the list of outstanding packets */
- data->outstanding_packet_list = NULL;
-
- cli->sign_info.sign_outgoing_message = client_sign_outgoing_message;
- cli->sign_info.check_incoming_message = client_check_incoming_message;
- cli->sign_info.free_signing_context = simple_free_signing_context;
-
- return True;
-}
-
-/***********************************************************
- SMB signing - TEMP implementation - calculate a MAC to send.
-************************************************************/
-
-static void temp_sign_outgoing_message(char *outbuf, struct smb_sign_info *si)
-{
- /* mark the packet as signed - BEFORE we sign it...*/
- mark_packet_signed(outbuf);
-
- /* I wonder what BSRSPYL stands for - but this is what MS
- actually sends! */
- memcpy(&outbuf[smb_ss_field], "BSRSPYL ", 8);
- return;
+ return true;
}
-/***********************************************************
- SMB signing - TEMP implementation - check a MAC sent by server.
-************************************************************/
-
-static bool temp_check_incoming_message(const char *inbuf,
- struct smb_sign_info *si, bool foo)
+bool cli_temp_set_signing(struct cli_state *cli)
{
- return True;
+ return smb_signing_set_bsrspyl(cli->signing_state);
}
-/***********************************************************
- SMB signing - TEMP implementation - free signing context
-************************************************************/
-
-static void temp_free_signing_context(struct smb_sign_info *si)
+void cli_calculate_sign_mac(struct cli_state *cli, char *buf, uint32_t *seqnum)
{
- return;
+ *seqnum = smb_signing_next_seqnum(cli->signing_state, false);
+ smb_signing_sign_pdu(cli->signing_state, (uint8_t *)buf, *seqnum);
}
-/***********************************************************
- SMB signing - NULL implementation - setup the MAC key.
-************************************************************/
-
-bool cli_null_set_signing(struct cli_state *cli)
+bool cli_check_sign_mac(struct cli_state *cli, const char *buf, uint32_t seqnum)
{
- return null_set_signing(&cli->sign_info);
-}
+ bool ok;
-/***********************************************************
- SMB signing - temp implementation - setup the MAC key.
-************************************************************/
+ ok = smb_signing_check_pdu(cli->signing_state,
+ (const uint8_t *)buf,
+ seqnum);
-bool cli_temp_set_signing(struct cli_state *cli)
-{
- if (!cli_set_smb_signing_common(cli)) {
- return False;
+ if (!ok) {
+ return false;
}
- cli->sign_info.signing_context = NULL;
-
- cli->sign_info.sign_outgoing_message = temp_sign_outgoing_message;
- cli->sign_info.check_incoming_message = temp_check_incoming_message;
- cli->sign_info.free_signing_context = temp_free_signing_context;
-
- return True;
-}
-
-void cli_free_signing_context(struct cli_state *cli)
-{
- free_signing_context(&cli->sign_info);
+ return true;
}
-/**
- * Sign a packet with the current mechanism
- */
-
-void cli_calculate_sign_mac(struct cli_state *cli, char *buf)
+void cli_set_signing_negotiated(struct cli_state *cli)
{
- cli->sign_info.sign_outgoing_message(buf, &cli->sign_info);
+ smb_signing_set_negotiated(cli->signing_state);
}
-/**
- * Check a packet with the current mechanism
- * @return False if we had an established signing connection
- * which had a bad checksum, True otherwise.
- */
-
-bool cli_check_sign_mac(struct cli_state *cli, char *buf)
-{
- if (!cli->sign_info.check_incoming_message(buf, &cli->sign_info, True)) {
- free_signing_context(&cli->sign_info);
- return False;
- }
- return True;
-}
-
-/***********************************************************
- Enter trans/trans2/nttrans state.
-************************************************************/
-
-bool client_set_trans_sign_state_on(struct cli_state *cli, uint16 mid)
+bool client_is_signing_on(struct cli_state *cli)
{
- struct smb_sign_info *si = &cli->sign_info;
- struct smb_basic_signing_context *data = (struct smb_basic_signing_context *)si->signing_context;
-
- if (!si->doing_signing) {
- return True;
- }
-
- if (!data) {
- return False;
- }
-
- if (!set_sequence_can_delete_flag(&data->outstanding_packet_list, mid, False)) {
- return False;
- }
-
- return True;
+ return smb_signing_is_active(cli->signing_state);
}
-/***********************************************************
- Leave trans/trans2/nttrans state.
-************************************************************/
-
-bool client_set_trans_sign_state_off(struct cli_state *cli, uint16 mid)
+bool client_is_signing_allowed(struct cli_state *cli)
{
- uint32 reply_seq_num;
- struct smb_sign_info *si = &cli->sign_info;
- struct smb_basic_signing_context *data = (struct smb_basic_signing_context *)si->signing_context;
-
- if (!si->doing_signing) {
- return True;
- }
-
- if (!data) {
- return False;
- }
-
- if (!set_sequence_can_delete_flag(&data->outstanding_packet_list, mid, True)) {
- return False;
- }
-
- /* Now delete the stored mid entry. */
- if (!get_sequence_for_reply(&data->outstanding_packet_list, mid, &reply_seq_num)) {
- return False;
- }
-
- return True;
+ return smb_signing_is_allowed(cli->signing_state);
}
-/***********************************************************
- Is client signing on ?
-************************************************************/
-
-bool client_is_signing_on(struct cli_state *cli)
+bool client_is_signing_mandatory(struct cli_state *cli)
{
- struct smb_sign_info *si = &cli->sign_info;
- return si->doing_signing;
+ return smb_signing_is_mandatory(cli->signing_state);
}
return False;
}
- /* Note we're in a trans state. Save the sequence
- * numbers for replies. */
- client_set_trans_sign_state_on(cli, mid);
+ cli_state_seqnum_persistent(cli, mid);
if (this_ldata < ldata || this_lparam < lparam) {
/* receive interim response */
if (!cli_receive_smb(cli) || cli_is_error(cli)) {
- client_set_trans_sign_state_off(cli, mid);
+ cli_state_seqnum_remove(cli, mid);
return(False);
}
show_msg(cli->outbuf);
- client_set_trans_sign_state_off(cli, mid);
cli->mid = mid;
if (!cli_send_smb(cli)) {
+ cli_state_seqnum_remove(cli, mid);
return False;
}
- client_set_trans_sign_state_on(cli, mid);
tot_data += this_ldata;
tot_param += this_lparam;
unsigned int this_data,this_param;
NTSTATUS status;
bool ret = False;
+ uint16_t mid;
*data_len = *param_len = 0;
+ mid = SVAL(cli->inbuf,smb_mid);
+
if (!cli_receive_smb(cli)) {
+ cli_state_seqnum_remove(cli, mid);
return False;
}
DEBUG(0,("Expected %s response, got command 0x%02x\n",
trans==SMBtrans?"SMBtrans":"SMBtrans2",
CVAL(cli->inbuf,smb_com)));
+ cli_state_seqnum_remove(cli, mid);
return False;
}
out:
+ cli_state_seqnum_remove(cli, mid);
+
if (ret) {
/* Ensure the last 2 bytes of param and data are 2 null
* bytes. These are malloc'ed, but not included in any
}
}
- client_set_trans_sign_state_off(cli, SVAL(cli->inbuf,smb_mid));
return ret;
}
return False;
}
- /* Note we're in a trans state. Save the sequence
- * numbers for replies. */
- client_set_trans_sign_state_on(cli, mid);
+ cli_state_seqnum_persistent(cli, mid);
if (this_ldata < ldata || this_lparam < lparam) {
/* receive interim response */
if (!cli_receive_smb(cli) || cli_is_error(cli)) {
- client_set_trans_sign_state_off(cli, mid);
+ cli_state_seqnum_remove(cli, mid);
return(False);
}
show_msg(cli->outbuf);
- client_set_trans_sign_state_off(cli, mid);
cli->mid = mid;
if (!cli_send_smb(cli)) {
+ cli_state_seqnum_remove(cli, mid);
return False;
}
- client_set_trans_sign_state_on(cli, mid);
tot_data += this_ldata;
tot_param += this_lparam;
uint8 eclass;
uint32 ecode;
bool ret = False;
+ uint16_t mid;
*data_len = *param_len = 0;
+ mid = SVAL(cli->inbuf,smb_mid);
+
if (!cli_receive_smb(cli)) {
+ cli_state_seqnum_remove(cli, mid);
return False;
}
if (CVAL(cli->inbuf,smb_com) != SMBnttrans) {
DEBUG(0,("Expected SMBnttrans response, got command 0x%02x\n",
CVAL(cli->inbuf,smb_com)));
+ cli_state_seqnum_remove(cli, mid);
return(False);
}
out:
+ cli_state_seqnum_remove(cli, mid);
+
if (ret) {
/* Ensure the last 2 bytes of param and data are 2 null
* bytes. These are malloc'ed, but not included in any
}
}
- client_set_trans_sign_state_off(cli, SVAL(cli->inbuf,smb_mid));
return ret;
}
struct event_context *ev;
uint8_t cmd;
uint16_t mid;
+ uint32_t seqnum;
const char *pipe_name;
uint16_t fid;
uint16_t function;
cli_req = talloc_get_type_abort(result->private_data,
struct cli_request);
state->mid = cli_req->mid;
+ state->seqnum = cli_req->seqnum;
} else {
uint16_t num_bytes = talloc_get_size(bytes);
/*
cli_req->recv_helper.fn = cli_trans_recv_helper;
cli_req->recv_helper.priv = state;
cli_req->mid = state->mid;
- client_set_trans_sign_state_off(state->cli, state->mid);
cli_chain_uncork(state->cli);
+ state->seqnum = cli_req->seqnum;
}
- client_set_trans_sign_state_on(state->cli, state->mid);
-
fail:
TALLOC_FREE(frame);
return result;
static void cli_trans_ship_rest(struct async_req *req,
struct cli_trans_state *state)
{
+ struct cli_request *cli_req;
+
state->secondary_request_ctx = talloc_new(state);
if (state->secondary_request_ctx == NULL) {
async_req_nterror(req, NT_STATUS_NO_MEMORY);
while ((state->param_sent < state->num_param)
|| (state->data_sent < state->num_data)) {
- struct async_req *cli_req;
+ struct async_req *subreq;
- cli_req = cli_ship_trans(state->secondary_request_ctx, state);
- if (cli_req == NULL) {
+ subreq = cli_ship_trans(state->secondary_request_ctx, state);
+ if (subreq == NULL) {
async_req_nterror(req, NT_STATUS_NO_MEMORY);
return;
}
}
+
+ cli_req = talloc_get_type_abort(req->private_data,
+ struct cli_request);
+
+ cli_req->seqnum = state->seqnum;
}
static NTSTATUS cli_pull_trans(struct async_req *req,
if ((state->rparam.total == state->rparam.received)
&& (state->rdata.total == state->rdata.received)) {
- client_set_trans_sign_state_off(state->cli, state->mid);
async_req_done(req);
}
}
git.samba.org / metze / samba / wip.git / commitdiff