/*
* fs/cifs/connect.c
*
- * Copyright (C) International Business Machines Corp., 2002,2004
+ * Copyright (C) International Business Machines Corp., 2002,2006
* Author(s): Steve French (sfrench@us.ibm.com)
*
* This library is free software; you can redistribute it and/or modify
#include <linux/ctype.h>
#include <linux/utsname.h>
#include <linux/mempool.h>
+#include <linux/delay.h>
+#include <linux/completion.h>
+#include <linux/pagevec.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
#include "cifspdu.h"
#include "ntlmssp.h"
#include "nterr.h"
#include "rfc1002pdu.h"
+#include "cn_cifs.h"
#define CIFS_PORT 445
#define RFC1001_PORT 139
+static DECLARE_COMPLETION(cifsd_complete);
+
extern void SMBencrypt(unsigned char *passwd, unsigned char *c8,
unsigned char *p24);
extern void SMBNTencrypt(unsigned char *passwd, unsigned char *c8,
unsigned char *p24);
-extern int cifs_inet_pton(int, const char *, void *dst);
extern mempool_t *cifs_req_poolp;
char *in6_addr; /* ipv6 address as human readable form of in6_addr */
char *iocharset; /* local code page for mapping to and from Unicode */
char source_rfc1001_name[16]; /* netbios name of client */
+ char target_rfc1001_name[16]; /* netbios name of server for Win9x/ME */
uid_t linux_uid;
gid_t linux_gid;
mode_t file_mode;
unsigned setuids:1;
unsigned noperm:1;
unsigned no_psx_acl:1; /* set if posix acl support should be disabled */
+ unsigned cifs_acl:1;
+ unsigned no_xattr:1; /* set if xattr (EA) support should be disabled*/
unsigned server_ino:1; /* use inode numbers from server ie UniqueId */
unsigned direct_io:1;
+ unsigned remap:1; /* set to remap seven reserved chars in filenames */
+ unsigned posix_paths:1; /* unset to not ask for posix pathnames. */
+ unsigned sfu_emul:1;
+ unsigned krb5:1;
+ unsigned ntlm:1;
+ unsigned ntlmv2:1;
+ unsigned nullauth:1; /* attempt to authenticate with null user */
+ unsigned sign:1;
+ unsigned seal:1; /* encrypt */
+ unsigned nocase; /* request case insensitive filenames */
+ unsigned nobrl; /* disable sending byte range locks to srv */
unsigned int rsize;
unsigned int wsize;
unsigned int sockopt;
static int ipv4_connect(struct sockaddr_in *psin_server,
struct socket **csocket,
- char * netb_name);
+ char * netb_name,
+ char * server_netb_name);
static int ipv6_connect(struct sockaddr_in6 *psin_server,
struct socket **csocket);
spin_unlock(&GlobalMid_Lock);
server->maxBuf = 0;
- cFYI(1, ("Reconnecting tcp session "));
+ cFYI(1, ("Reconnecting tcp session"));
/* before reconnecting the tcp session, mark the smb session (uid)
and the tid bad so they are not used until reconnected */
qhead);
if(mid_entry) {
if(mid_entry->midState == MID_REQUEST_SUBMITTED) {
- /* Mark other intransit requests as needing retry so
- we do not immediately mark the session bad again
- (ie after we reconnect below) as they timeout too */
+ /* Mark other intransit requests as needing
+ retry so we do not immediately mark the
+ session bad again (ie after we reconnect
+ below) as they timeout too */
mid_entry->midState = MID_RETRY_NEEDED;
}
}
} else {
rc = ipv4_connect(&server->addr.sockAddr,
&server->ssocket,
- server->workstation_RFC1001_name);
+ server->workstation_RFC1001_name,
+ server->server_RFC1001_name);
}
if(rc) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(3 * HZ);
+ cFYI(1,("reconnect error %d",rc));
+ msleep(3000);
} else {
atomic_inc(&tcpSesReconnectCount);
spin_lock(&GlobalMid_Lock);
if(server->tcpStatus != CifsExiting)
server->tcpStatus = CifsGood;
- spin_unlock(&GlobalMid_Lock);
+ server->sequence_number = 0;
+ spin_unlock(&GlobalMid_Lock);
/* atomic_set(&server->inFlight,0);*/
wake_up(&server->response_q);
}
return rc;
}
+/*
+ return codes:
+ 0 not a transact2, or all data present
+ >0 transact2 with that much data missing
+ -EINVAL = invalid transact2
+
+ */
+static int check2ndT2(struct smb_hdr * pSMB, unsigned int maxBufSize)
+{
+ struct smb_t2_rsp * pSMBt;
+ int total_data_size;
+ int data_in_this_rsp;
+ int remaining;
+
+ if(pSMB->Command != SMB_COM_TRANSACTION2)
+ return 0;
+
+ /* check for plausible wct, bcc and t2 data and parm sizes */
+ /* check for parm and data offset going beyond end of smb */
+ if(pSMB->WordCount != 10) { /* coalesce_t2 depends on this */
+ cFYI(1,("invalid transact2 word count"));
+ return -EINVAL;
+ }
+
+ pSMBt = (struct smb_t2_rsp *)pSMB;
+
+ total_data_size = le16_to_cpu(pSMBt->t2_rsp.TotalDataCount);
+ data_in_this_rsp = le16_to_cpu(pSMBt->t2_rsp.DataCount);
+
+ remaining = total_data_size - data_in_this_rsp;
+
+ if(remaining == 0)
+ return 0;
+ else if(remaining < 0) {
+ cFYI(1,("total data %d smaller than data in frame %d",
+ total_data_size, data_in_this_rsp));
+ return -EINVAL;
+ } else {
+ cFYI(1,("missing %d bytes from transact2, check next response",
+ remaining));
+ if(total_data_size > maxBufSize) {
+ cERROR(1,("TotalDataSize %d is over maximum buffer %d",
+ total_data_size,maxBufSize));
+ return -EINVAL;
+ }
+ return remaining;
+ }
+}
+
+static int coalesce_t2(struct smb_hdr * psecond, struct smb_hdr *pTargetSMB)
+{
+ struct smb_t2_rsp *pSMB2 = (struct smb_t2_rsp *)psecond;
+ struct smb_t2_rsp *pSMBt = (struct smb_t2_rsp *)pTargetSMB;
+ int total_data_size;
+ int total_in_buf;
+ int remaining;
+ int total_in_buf2;
+ char * data_area_of_target;
+ char * data_area_of_buf2;
+ __u16 byte_count;
+
+ total_data_size = le16_to_cpu(pSMBt->t2_rsp.TotalDataCount);
+
+ if(total_data_size != le16_to_cpu(pSMB2->t2_rsp.TotalDataCount)) {
+ cFYI(1,("total data sizes of primary and secondary t2 differ"));
+ }
+
+ total_in_buf = le16_to_cpu(pSMBt->t2_rsp.DataCount);
+
+ remaining = total_data_size - total_in_buf;
+
+ if(remaining < 0)
+ return -EINVAL;
+
+ if(remaining == 0) /* nothing to do, ignore */
+ return 0;
+
+ total_in_buf2 = le16_to_cpu(pSMB2->t2_rsp.DataCount);
+ if(remaining < total_in_buf2) {
+ cFYI(1,("transact2 2nd response contains too much data"));
+ }
+
+ /* find end of first SMB data area */
+ data_area_of_target = (char *)&pSMBt->hdr.Protocol +
+ le16_to_cpu(pSMBt->t2_rsp.DataOffset);
+ /* validate target area */
+
+ data_area_of_buf2 = (char *) &pSMB2->hdr.Protocol +
+ le16_to_cpu(pSMB2->t2_rsp.DataOffset);
+
+ data_area_of_target += total_in_buf;
+
+ /* copy second buffer into end of first buffer */
+ memcpy(data_area_of_target,data_area_of_buf2,total_in_buf2);
+ total_in_buf += total_in_buf2;
+ pSMBt->t2_rsp.DataCount = cpu_to_le16(total_in_buf);
+ byte_count = le16_to_cpu(BCC_LE(pTargetSMB));
+ byte_count += total_in_buf2;
+ BCC_LE(pTargetSMB) = cpu_to_le16(byte_count);
+
+ byte_count = pTargetSMB->smb_buf_length;
+ byte_count += total_in_buf2;
+
+ /* BB also add check that we are not beyond maximum buffer size */
+
+ pTargetSMB->smb_buf_length = byte_count;
+
+ if(remaining == total_in_buf2) {
+ cFYI(1,("found the last secondary response"));
+ return 0; /* we are done */
+ } else /* more responses to go */
+ return 1;
+
+}
+
static int
cifs_demultiplex_thread(struct TCP_Server_Info *server)
{
int length;
unsigned int pdu_length, total_read;
struct smb_hdr *smb_buffer = NULL;
+ struct smb_hdr *bigbuf = NULL;
+ struct smb_hdr *smallbuf = NULL;
struct msghdr smb_msg;
struct kvec iov;
struct socket *csocket = server->ssocket;
struct cifsSesInfo *ses;
struct task_struct *task_to_wake = NULL;
struct mid_q_entry *mid_entry;
- char *temp;
+ char temp;
+ int isLargeBuf = FALSE;
+ int isMultiRsp;
+ int reconnect;
daemonize("cifsd");
allow_signal(SIGKILL);
current->flags |= PF_MEMALLOC;
server->tsk = current; /* save process info to wake at shutdown */
cFYI(1, ("Demultiplex PID: %d", current->pid));
- write_lock(&GlobalSMBSeslock);
+ write_lock(&GlobalSMBSeslock);
atomic_inc(&tcpSesAllocCount);
length = tcpSesAllocCount.counter;
write_unlock(&GlobalSMBSeslock);
+ complete(&cifsd_complete);
if(length > 1) {
mempool_resize(cifs_req_poolp,
length + cifs_min_rcv,
}
while (server->tcpStatus != CifsExiting) {
- if (smb_buffer == NULL)
- smb_buffer = cifs_buf_get();
- else
- memset(smb_buffer, 0, sizeof (struct smb_hdr));
-
- if (smb_buffer == NULL) {
- cERROR(1,("Can not get memory for SMB response"));
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(HZ * 3); /* give system time to free memory */
+ if (try_to_freeze())
continue;
+ if (bigbuf == NULL) {
+ bigbuf = cifs_buf_get();
+ if(bigbuf == NULL) {
+ cERROR(1,("No memory for large SMB response"));
+ msleep(3000);
+ /* retry will check if exiting */
+ continue;
+ }
+ } else if(isLargeBuf) {
+ /* we are reusing a dirtry large buf, clear its start */
+ memset(bigbuf, 0, sizeof (struct smb_hdr));
}
+
+ if (smallbuf == NULL) {
+ smallbuf = cifs_small_buf_get();
+ if(smallbuf == NULL) {
+ cERROR(1,("No memory for SMB response"));
+ msleep(1000);
+ /* retry will check if exiting */
+ continue;
+ }
+ /* beginning of smb buffer is cleared in our buf_get */
+ } else /* if existing small buf clear beginning */
+ memset(smallbuf, 0, sizeof (struct smb_hdr));
+
+ isLargeBuf = FALSE;
+ isMultiRsp = FALSE;
+ smb_buffer = smallbuf;
iov.iov_base = smb_buffer;
- iov.iov_len = sizeof (struct smb_hdr) - 1;
- /* 1 byte less above since wct is not always returned in error cases */
+ iov.iov_len = 4;
smb_msg.msg_control = NULL;
smb_msg.msg_controllen = 0;
-
length =
kernel_recvmsg(csocket, &smb_msg,
- &iov, 1,
- sizeof (struct smb_hdr) -
- 1 /* RFC1001 header and SMB header */ ,
- MSG_PEEK /* flags see socket.h */ );
+ &iov, 1, 4, 0 /* BB see socket.h flags */);
if(server->tcpStatus == CifsExiting) {
break;
} else if (server->tcpStatus == CifsNeedReconnect) {
- cFYI(1,("Reconnecting after server stopped responding"));
+ cFYI(1,("Reconnect after server stopped responding"));
cifs_reconnect(server);
cFYI(1,("call to reconnect done"));
csocket = server->ssocket;
continue;
- } else if ((length == -ERESTARTSYS) || (length == -EAGAIN)
- || ((length > 0) && (length <= 3)) ) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(1); /* minimum sleep to prevent looping
+ } else if ((length == -ERESTARTSYS) || (length == -EAGAIN)) {
+ msleep(1); /* minimum sleep to prevent looping
allowing socket to clear and app threads to set
tcpStatus CifsNeedReconnect if server hung */
continue;
} else if (length <= 0) {
if(server->tcpStatus == CifsNew) {
- cFYI(1,("tcp session abended prematurely (after SMBnegprot)"));
- /* some servers kill tcp session rather than returning
- smb negprot error in which case reconnecting here is
- not going to help - return error to mount */
+ cFYI(1,("tcp session abend after SMBnegprot"));
+ /* some servers kill the TCP session rather than
+ returning an SMB negprot error, in which
+ case reconnecting here is not going to help,
+ and so simply return error to mount */
break;
}
if(length == -EINTR) {
cFYI(1,("cifsd thread killed"));
break;
}
- cFYI(1,("Reconnecting after unexpected peek error %d",length));
+ cFYI(1,("Reconnect after unexpected peek error %d",
+ length));
+ cifs_reconnect(server);
+ csocket = server->ssocket;
+ wake_up(&server->response_q);
+ continue;
+ } else if (length < 4) {
+ cFYI(1,
+ ("Frame under four bytes received (%d bytes long)",
+ length));
cifs_reconnect(server);
csocket = server->ssocket;
wake_up(&server->response_q);
continue;
}
- pdu_length = 4 + ntohl(smb_buffer->smb_buf_length);
- /* Only read pdu_length after below checks for too short (due
- to e.g. int overflow) and too long ie beyond end of buf */
- cFYI(1, ("Peek length rcvd: 0x%x beginning 0x%x)", length, pdu_length));
-
- temp = (char *) smb_buffer;
- if (length > 3) {
- if (temp[0] == (char) RFC1002_SESSION_KEEP_ALIVE) {
- iov.iov_base = smb_buffer;
- iov.iov_len = 4;
- length = kernel_recvmsg(csocket, &smb_msg,
- &iov, 1, 4, 0);
- cFYI(0,("Received 4 byte keep alive packet"));
- } else if (temp[0] == (char) RFC1002_POSITIVE_SESSION_RESPONSE) {
- iov.iov_base = smb_buffer;
- iov.iov_len = 4;
- length = kernel_recvmsg(csocket, &smb_msg,
- &iov, 1, 4, 0);
- cFYI(1,("Good RFC 1002 session rsp"));
- } else if ((temp[0] == (char)RFC1002_NEGATIVE_SESSION_RESPONSE)
- && (length == 5)) {
- /* we get this from Windows 98 instead of error on SMB negprot response */
- cFYI(1,("Negative RFC 1002 Session Response Error 0x%x)",temp[4]));
- if(server->tcpStatus == CifsNew) {
- /* if nack on negprot (rather than
- ret of smb negprot error) reconnecting
- not going to help, ret error to mount */
- break;
- } else {
- /* give server a second to
- clean up before reconnect attempt */
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(HZ);
- /* always try 445 first on reconnect
- since we get NACK on some if we ever
- connected to port 139 (the NACK is
- since we do not begin with RFC1001
- session initialize frame) */
- server->addr.sockAddr.sin_port = htons(CIFS_PORT);
- cifs_reconnect(server);
- csocket = server->ssocket;
- wake_up(&server->response_q);
- continue;
- }
- } else if (temp[0] != (char) 0) {
- cERROR(1,("Unknown RFC 1002 frame"));
- cifs_dump_mem(" Received Data: ", temp, length);
+ /* The right amount was read from socket - 4 bytes */
+ /* so we can now interpret the length field */
+
+ /* the first byte big endian of the length field,
+ is actually not part of the length but the type
+ with the most common, zero, as regular data */
+ temp = *((char *) smb_buffer);
+
+ /* Note that FC 1001 length is big endian on the wire,
+ but we convert it here so it is always manipulated
+ as host byte order */
+ pdu_length = ntohl(smb_buffer->smb_buf_length);
+ smb_buffer->smb_buf_length = pdu_length;
+
+ cFYI(1,("rfc1002 length 0x%x)", pdu_length+4));
+
+ if (temp == (char) RFC1002_SESSION_KEEP_ALIVE) {
+ continue;
+ } else if (temp == (char)RFC1002_POSITIVE_SESSION_RESPONSE) {
+ cFYI(1,("Good RFC 1002 session rsp"));
+ continue;
+ } else if (temp == (char)RFC1002_NEGATIVE_SESSION_RESPONSE) {
+ /* we get this from Windows 98 instead of
+ an error on SMB negprot response */
+ cFYI(1,("Negative RFC1002 Session Response Error 0x%x)",
+ pdu_length));
+ if(server->tcpStatus == CifsNew) {
+ /* if nack on negprot (rather than
+ ret of smb negprot error) reconnecting
+ not going to help, ret error to mount */
+ break;
+ } else {
+ /* give server a second to
+ clean up before reconnect attempt */
+ msleep(1000);
+ /* always try 445 first on reconnect
+ since we get NACK on some if we ever
+ connected to port 139 (the NACK is
+ since we do not begin with RFC1001
+ session initialize frame) */
+ server->addr.sockAddr.sin_port =
+ htons(CIFS_PORT);
cifs_reconnect(server);
csocket = server->ssocket;
+ wake_up(&server->response_q);
continue;
- } else {
- if (length < 16) {
- /* We can not validate the SMB unless
- at least this much of SMB available
- so give the socket time to copy
- a few more bytes and retry */
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(10);
- continue;
- } else if( (pdu_length >
- CIFSMaxBufSize + MAX_CIFS_HDR_SIZE)
- || (pdu_length <
- sizeof (struct smb_hdr) - 1)
- || (checkSMBhdr
- (smb_buffer, smb_buffer->Mid))) {
- cERROR(1,
- ("Invalid size or format for SMB found with length %d and pdu_length %d",
- length, pdu_length));
- cifs_dump_mem("Received Data is: ",temp,sizeof(struct smb_hdr)+3);
- /* could we fix this network corruption by finding next
- smb header (instead of killing the session) and
- restart reading from next valid SMB found? */
- cifs_reconnect(server);
- csocket = server->ssocket;
- continue;
- } else { /* length ok */
-
- length = 0;
- iov.iov_base = smb_buffer;
- iov.iov_len = pdu_length;
- for (total_read = 0;
- total_read < pdu_length;
- total_read += length) {
- length = kernel_recvmsg(csocket, &smb_msg,
- &iov, 1,
- pdu_length - total_read, 0);
- if (length == 0) {
- cERROR(1,
- ("Zero length receive when expecting %d ",
- pdu_length - total_read));
- cifs_reconnect(server);
- csocket = server->ssocket;
- continue;
- }
- }
- }
+ }
+ } else if (temp != (char) 0) {
+ cERROR(1,("Unknown RFC 1002 frame"));
+ cifs_dump_mem(" Received Data: ", (char *)smb_buffer,
+ length);
+ cifs_reconnect(server);
+ csocket = server->ssocket;
+ continue;
+ }
- dump_smb(smb_buffer, length);
- if (checkSMB
- (smb_buffer, smb_buffer->Mid, total_read)) {
- cERROR(1, ("Bad SMB Received "));
- continue;
- }
+ /* else we have an SMB response */
+ if((pdu_length > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4) ||
+ (pdu_length < sizeof (struct smb_hdr) - 1 - 4)) {
+ cERROR(1, ("Invalid size SMB length %d pdu_length %d",
+ length, pdu_length+4));
+ cifs_reconnect(server);
+ csocket = server->ssocket;
+ wake_up(&server->response_q);
+ continue;
+ }
- task_to_wake = NULL;
- spin_lock(&GlobalMid_Lock);
- list_for_each(tmp, &server->pending_mid_q) {
- mid_entry = list_entry(tmp, struct
- mid_q_entry,
- qhead);
+ /* else length ok */
+ reconnect = 0;
- if ((mid_entry->mid == smb_buffer->Mid) && (mid_entry->midState == MID_REQUEST_SUBMITTED)) {
- cFYI(1,
- (" Mid 0x%x matched - waking up ",mid_entry->mid));
- task_to_wake = mid_entry->tsk;
- mid_entry->resp_buf =
- smb_buffer;
- mid_entry->midState =
- MID_RESPONSE_RECEIVED;
+ if(pdu_length > MAX_CIFS_SMALL_BUFFER_SIZE - 4) {
+ isLargeBuf = TRUE;
+ memcpy(bigbuf, smallbuf, 4);
+ smb_buffer = bigbuf;
+ }
+ length = 0;
+ iov.iov_base = 4 + (char *)smb_buffer;
+ iov.iov_len = pdu_length;
+ for (total_read = 0; total_read < pdu_length;
+ total_read += length) {
+ length = kernel_recvmsg(csocket, &smb_msg, &iov, 1,
+ pdu_length - total_read, 0);
+ if((server->tcpStatus == CifsExiting) ||
+ (length == -EINTR)) {
+ /* then will exit */
+ reconnect = 2;
+ break;
+ } else if (server->tcpStatus == CifsNeedReconnect) {
+ cifs_reconnect(server);
+ csocket = server->ssocket;
+ /* Reconnect wakes up rspns q */
+ /* Now we will reread sock */
+ reconnect = 1;
+ break;
+ } else if ((length == -ERESTARTSYS) ||
+ (length == -EAGAIN)) {
+ msleep(1); /* minimum sleep to prevent looping,
+ allowing socket to clear and app
+ threads to set tcpStatus
+ CifsNeedReconnect if server hung*/
+ continue;
+ } else if (length <= 0) {
+ cERROR(1,("Received no data, expecting %d",
+ pdu_length - total_read));
+ cifs_reconnect(server);
+ csocket = server->ssocket;
+ reconnect = 1;
+ break;
+ }
+ }
+ if(reconnect == 2)
+ break;
+ else if(reconnect == 1)
+ continue;
+
+ length += 4; /* account for rfc1002 hdr */
+
+
+ dump_smb(smb_buffer, length);
+ if (checkSMB(smb_buffer, smb_buffer->Mid, total_read+4)) {
+ cifs_dump_mem("Bad SMB: ", smb_buffer, 48);
+ continue;
+ }
+
+
+ task_to_wake = NULL;
+ spin_lock(&GlobalMid_Lock);
+ list_for_each(tmp, &server->pending_mid_q) {
+ mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
+
+ if ((mid_entry->mid == smb_buffer->Mid) &&
+ (mid_entry->midState == MID_REQUEST_SUBMITTED) &&
+ (mid_entry->command == smb_buffer->Command)) {
+ if(check2ndT2(smb_buffer,server->maxBuf) > 0) {
+ /* We have a multipart transact2 resp */
+ isMultiRsp = TRUE;
+ if(mid_entry->resp_buf) {
+ /* merge response - fix up 1st*/
+ if(coalesce_t2(smb_buffer,
+ mid_entry->resp_buf)) {
+ break;
+ } else {
+ /* all parts received */
+ goto multi_t2_fnd;
+ }
+ } else {
+ if(!isLargeBuf) {
+ cERROR(1,("1st trans2 resp needs bigbuf"));
+ /* BB maybe we can fix this up, switch
+ to already allocated large buffer? */
+ } else {
+ /* Have first buffer */
+ mid_entry->resp_buf =
+ smb_buffer;
+ mid_entry->largeBuf = 1;
+ bigbuf = NULL;
+ }
}
- }
- spin_unlock(&GlobalMid_Lock);
- if (task_to_wake) {
- smb_buffer = NULL; /* will be freed by users thread after he is done */
- wake_up_process(task_to_wake);
- } else if (is_valid_oplock_break(smb_buffer) == FALSE) {
- cERROR(1, ("No task to wake, unknown frame rcvd!"));
- cifs_dump_mem("Received Data is: ",temp,sizeof(struct smb_hdr));
- }
+ break;
+ }
+ mid_entry->resp_buf = smb_buffer;
+ if(isLargeBuf)
+ mid_entry->largeBuf = 1;
+ else
+ mid_entry->largeBuf = 0;
+multi_t2_fnd:
+ task_to_wake = mid_entry->tsk;
+ mid_entry->midState = MID_RESPONSE_RECEIVED;
+#ifdef CONFIG_CIFS_STATS2
+ mid_entry->when_received = jiffies;
+#endif
+ break;
}
- } else {
- cFYI(0,
- ("Frame less than four bytes received %d bytes long.",
- length));
- if (length > 0) {
- length = kernel_recvmsg(csocket, &smb_msg,
- &iov, 1,
- length, 0); /* throw away junk frame */
- cFYI(1,
- (" with junk 0x%x in it ",
- *(__u32 *) smb_buffer));
+ }
+ spin_unlock(&GlobalMid_Lock);
+ if (task_to_wake) {
+ /* Was previous buf put in mpx struct for multi-rsp? */
+ if(!isMultiRsp) {
+ /* smb buffer will be freed by user thread */
+ if(isLargeBuf) {
+ bigbuf = NULL;
+ } else
+ smallbuf = NULL;
}
+ wake_up_process(task_to_wake);
+ } else if ((is_valid_oplock_break(smb_buffer, server) == FALSE)
+ && (isMultiRsp == FALSE)) {
+ cERROR(1, ("No task to wake, unknown frame rcvd!"));
+ cifs_dump_mem("Received Data is: ",(char *)smb_buffer,
+ sizeof(struct smb_hdr));
}
- }
+ } /* end while !EXITING */
+
spin_lock(&GlobalMid_Lock);
server->tcpStatus = CifsExiting;
server->tsk = NULL;
- atomic_set(&server->inFlight, 0);
+ /* check if we have blocked requests that need to free */
+ /* Note that cifs_max_pending is normally 50, but
+ can be set at module install time to as little as two */
+ if(atomic_read(&server->inFlight) >= cifs_max_pending)
+ atomic_set(&server->inFlight, cifs_max_pending - 1);
+ /* We do not want to set the max_pending too low or we
+ could end up with the counter going negative */
spin_unlock(&GlobalMid_Lock);
/* Although there should not be any requests blocked on
this queue it can not hurt to be paranoid and try to wake up requests
- that may haven been blocked when more than 50 at time were on the wire
+ that may haven been blocked when more than 50 at time were on the wire
to the same server - they now will see the session is in exit state
and get out of SendReceive. */
wake_up_all(&server->request_q);
/* give those requests time to exit */
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(HZ/8);
-
+ msleep(125);
+
if(server->ssocket) {
sock_release(csocket);
server->ssocket = NULL;
}
- if (smb_buffer) /* buffer usually freed in free_mid - need to free it on error or exit */
- cifs_buf_release(smb_buffer);
+ /* buffer usuallly freed in free_mid - need to free it here on exit */
+ if (bigbuf != NULL)
+ cifs_buf_release(bigbuf);
+ if (smallbuf != NULL)
+ cifs_small_buf_release(smallbuf);
read_lock(&GlobalSMBSeslock);
if (list_empty(&server->pending_mid_q)) {
- /* loop through server session structures attached to this and mark them dead */
+ /* loop through server session structures attached to this and
+ mark them dead */
list_for_each(tmp, &GlobalSMBSessionList) {
ses =
list_entry(tmp, struct cifsSesInfo,
}
read_unlock(&GlobalSMBSeslock);
} else {
+ /* although we can not zero the server struct pointer yet,
+ since there are active requests which may depnd on them,
+ mark the corresponding SMB sessions as exiting too */
+ list_for_each(tmp, &GlobalSMBSessionList) {
+ ses = list_entry(tmp, struct cifsSesInfo,
+ cifsSessionList);
+ if (ses->server == server) {
+ ses->status = CifsExiting;
+ }
+ }
+
spin_lock(&GlobalMid_Lock);
list_for_each(tmp, &server->pending_mid_q) {
mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
if (mid_entry->midState == MID_REQUEST_SUBMITTED) {
cFYI(1,
- (" Clearing Mid 0x%x - waking up ",mid_entry->mid));
+ ("Clearing Mid 0x%x - waking up ",mid_entry->mid));
task_to_wake = mid_entry->tsk;
if(task_to_wake) {
wake_up_process(task_to_wake);
}
spin_unlock(&GlobalMid_Lock);
read_unlock(&GlobalSMBSeslock);
- set_current_state(TASK_INTERRUPTIBLE);
/* 1/8th of sec is more than enough time for them to exit */
- schedule_timeout(HZ/8);
+ msleep(125);
}
- if (list_empty(&server->pending_mid_q)) {
+ if (!list_empty(&server->pending_mid_q)) {
/* mpx threads have not exited yet give them
at least the smb send timeout time for long ops */
+ /* due to delays on oplock break requests, we need
+ to wait at least 45 seconds before giving up
+ on a request getting a response and going ahead
+ and killing cifsd */
cFYI(1, ("Wait for exit from demultiplex thread"));
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(46 * HZ);
+ msleep(46000);
/* if threads still have not exited they are probably never
coming home not much else we can do but free the memory */
}
- kfree(server);
write_lock(&GlobalSMBSeslock);
atomic_dec(&tcpSesAllocCount);
length = tcpSesAllocCount.counter;
+
+ /* last chance to mark ses pointers invalid
+ if there are any pointing to this (e.g
+ if a crazy root user tried to kill cifsd
+ kernel thread explicitly this might happen) */
+ list_for_each(tmp, &GlobalSMBSessionList) {
+ ses = list_entry(tmp, struct cifsSesInfo,
+ cifsSessionList);
+ if (ses->server == server) {
+ ses->server = NULL;
+ }
+ }
write_unlock(&GlobalSMBSeslock);
+
+ kfree(server);
if(length > 0) {
mempool_resize(cifs_req_poolp,
length + cifs_min_rcv,
GFP_KERNEL);
}
-
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(HZ/4);
+
+ complete_and_exit(&cifsd_complete, 0);
return 0;
}
-static void *
-cifs_kcalloc(size_t size, int type)
-{
- void *addr;
- addr = kmalloc(size, type);
- if (addr)
- memset(addr, 0, size);
- return addr;
-}
-
static int
cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
{
/* does not have to be a perfect mapping since the field is
informational, only used for servers that do not support
port 445 and it can be overridden at mount time */
- vol->source_rfc1001_name[i] = toupper(system_utsname.nodename[i]);
+ vol->source_rfc1001_name[i] =
+ toupper(system_utsname.nodename[i]);
}
vol->source_rfc1001_name[15] = 0;
-
+ /* null target name indicates to use *SMBSERVR default called name
+ if we end up sending RFC1001 session initialize */
+ vol->target_rfc1001_name[0] = 0;
vol->linux_uid = current->uid; /* current->euid instead? */
vol->linux_gid = current->gid;
vol->dir_mode = S_IRWXUGO;
/* vol->retry default is 0 (i.e. "soft" limited retry not hard retry) */
vol->rw = TRUE;
+ vol->ntlm = TRUE;
+ /* default is always to request posix paths. */
+ vol->posix_paths = 1;
if (!options)
return 1;
continue;
if ((value = strchr(data, '=')) != NULL)
*value++ = '\0';
- if (strnicmp(data, "user", 4) == 0) {
+
+ if (strnicmp(data, "user_xattr",10) == 0) {/*parse before user*/
+ vol->no_xattr = 0;
+ } else if (strnicmp(data, "nouser_xattr",12) == 0) {
+ vol->no_xattr = 1;
+ } else if (strnicmp(data, "user", 4) == 0) {
if (!value || !*value) {
printk(KERN_WARNING
"CIFS: invalid or missing username\n");
return 1;
}
} else if (strnicmp(data, "pass", 4) == 0) {
- if (!value || !*value) {
+ if (!value) {
vol->password = NULL;
continue;
+ } else if(value[0] == 0) {
+ /* check if string begins with double comma
+ since that would mean the password really
+ does start with a comma, and would not
+ indicate an empty string */
+ if(value[1] != separator[0]) {
+ vol->password = NULL;
+ continue;
+ }
}
temp_len = strlen(value);
/* removed password length check, NTLM passwords
/* NB: password legally can have multiple commas and
the only illegal character in a password is null */
-
- if ((value[temp_len] == 0) && (value[temp_len+1] == separator[0])) {
+
+ if ((value[temp_len] == 0) &&
+ (value[temp_len+1] == separator[0])) {
/* reinsert comma */
value[temp_len] = separator[0];
temp_len+=2; /* move after the second comma */
while(value[temp_len] != 0) {
- if((value[temp_len] == separator[0]) && (value[temp_len+1] != separator[0])) {
- /* single comma indicating start of next parm */
- break;
+ if (value[temp_len] == separator[0]) {
+ if (value[temp_len+1] ==
+ separator[0]) {
+ /* skip second comma */
+ temp_len++;
+ } else {
+ /* single comma indicating start
+ of next parm */
+ break;
+ }
}
temp_len++;
}
options = NULL;
} else {
value[temp_len] = 0;
- /* move options to point to start of next parm */
+ /* point option to start of next parm */
options = value + temp_len + 1;
}
- /* go from value to (value + temp_len) condensing double commas to singles */
- vol->password = cifs_kcalloc(temp_len, GFP_KERNEL);
+ /* go from value to value + temp_len condensing
+ double commas to singles. Note that this ends up
+ allocating a few bytes too many, which is ok */
+ vol->password = kzalloc(temp_len, GFP_KERNEL);
+ if(vol->password == NULL) {
+ printk("CIFS: no memory for pass\n");
+ return 1;
+ }
for(i=0,j=0;i<temp_len;i++,j++) {
vol->password[j] = value[i];
- if(value[i] == separator[0] && value[i+1] == separator[0]) {
+ if(value[i] == separator[0]
+ && value[i+1] == separator[0]) {
/* skip second comma */
i++;
}
}
- /* value[temp_len] is zeroed above so
- vol->password[temp_len] guaranteed to be null */
+ vol->password[j] = 0;
} else {
- vol->password = cifs_kcalloc(temp_len + 1, GFP_KERNEL);
+ vol->password = kzalloc(temp_len+1, GFP_KERNEL);
+ if(vol->password == NULL) {
+ printk("CIFS: no memory for pass\n");
+ return 1;
+ }
strcpy(vol->password, value);
}
} else if (strnicmp(data, "ip", 2) == 0) {
printk(KERN_WARNING "CIFS: ip address too long\n");
return 1;
}
+ } else if (strnicmp(data, "sec", 3) == 0) {
+ if (!value || !*value) {
+ cERROR(1,("no security value specified"));
+ continue;
+ } else if (strnicmp(value, "krb5i", 5) == 0) {
+ vol->sign = 1;
+ vol->krb5 = 1;
+ } else if (strnicmp(value, "krb5p", 5) == 0) {
+ /* vol->seal = 1;
+ vol->krb5 = 1; */
+ cERROR(1,("Krb5 cifs privacy not supported"));
+ return 1;
+ } else if (strnicmp(value, "krb5", 4) == 0) {
+ vol->krb5 = 1;
+ } else if (strnicmp(value, "ntlmv2i", 7) == 0) {
+ vol->ntlmv2 = 1;
+ vol->sign = 1;
+ } else if (strnicmp(value, "ntlmv2", 6) == 0) {
+ vol->ntlmv2 = 1;
+ } else if (strnicmp(value, "ntlmi", 5) == 0) {
+ vol->ntlm = 1;
+ vol->sign = 1;
+ } else if (strnicmp(value, "ntlm", 4) == 0) {
+ /* ntlm is default so can be turned off too */
+ vol->ntlm = 1;
+ } else if (strnicmp(value, "nontlm", 6) == 0) {
+ vol->ntlm = 0;
+ } else if (strnicmp(value, "none", 4) == 0) {
+ vol->nullauth = 1;
+ } else {
+ cERROR(1,("bad security option: %s", value));
+ return 1;
+ }
} else if ((strnicmp(data, "unc", 3) == 0)
|| (strnicmp(data, "target", 6) == 0)
|| (strnicmp(data, "path", 4) == 0)) {
/* The string has 16th byte zero still from
set at top of the function */
if((i==15) && (value[i] != 0))
- printk(KERN_WARNING "CIFS: netbiosname longer than 15 and was truncated.\n");
+ printk(KERN_WARNING "CIFS: netbiosname longer than 15 truncated.\n");
+ }
+ } else if (strnicmp(data, "servern", 7) == 0) {
+ /* servernetbiosname specified override *SMBSERVER */
+ if (!value || !*value || (*value == ' ')) {
+ cFYI(1,("empty server netbiosname specified"));
+ } else {
+ /* last byte, type, is 0x20 for servr type */
+ memset(vol->target_rfc1001_name,0x20,16);
+
+ for(i=0;i<15;i++) {
+ /* BB are there cases in which a comma can be
+ valid in this workstation netbios name (and need
+ special handling)? */
+
+ /* user or mount helper must uppercase netbiosname */
+ if (value[i]==0)
+ break;
+ else
+ vol->target_rfc1001_name[i] = value[i];
+ }
+ /* The string has 16th byte zero still from
+ set at top of the function */
+ if((i==15) && (value[i] != 0))
+ printk(KERN_WARNING "CIFS: server netbiosname longer than 15 truncated.\n");
}
} else if (strnicmp(data, "credentials", 4) == 0) {
/* ignore */
vol->noperm = 0;
} else if (strnicmp(data, "noperm", 6) == 0) {
vol->noperm = 1;
+ } else if (strnicmp(data, "mapchars", 8) == 0) {
+ vol->remap = 1;
+ } else if (strnicmp(data, "nomapchars", 10) == 0) {
+ vol->remap = 0;
+ } else if (strnicmp(data, "sfu", 3) == 0) {
+ vol->sfu_emul = 1;
+ } else if (strnicmp(data, "nosfu", 5) == 0) {
+ vol->sfu_emul = 0;
+ } else if (strnicmp(data, "posixpaths", 10) == 0) {
+ vol->posix_paths = 1;
+ } else if (strnicmp(data, "noposixpaths", 12) == 0) {
+ vol->posix_paths = 0;
+ } else if ((strnicmp(data, "nocase", 6) == 0) ||
+ (strnicmp(data, "ignorecase", 10) == 0)) {
+ vol->nocase = 1;
+ } else if (strnicmp(data, "brl", 3) == 0) {
+ vol->nobrl = 0;
+ } else if ((strnicmp(data, "nobrl", 5) == 0) ||
+ (strnicmp(data, "nolock", 6) == 0)) {
+ vol->nobrl = 1;
+ /* turn off mandatory locking in mode
+ if remote locking is turned off since the
+ local vfs will do advisory */
+ if(vol->file_mode == (S_IALLUGO & ~(S_ISUID | S_IXGRP)))
+ vol->file_mode = S_IALLUGO;
} else if (strnicmp(data, "setuids", 7) == 0) {
vol->setuids = 1;
} else if (strnicmp(data, "nosetuids", 9) == 0) {
vol->server_ino = 1;
} else if (strnicmp(data, "noserverino",9) == 0) {
vol->server_ino = 0;
+ } else if (strnicmp(data, "cifsacl",7) == 0) {
+ vol->cifs_acl = 1;
+ } else if (strnicmp(data, "nocifsacl", 9) == 0) {
+ vol->cifs_acl = 0;
} else if (strnicmp(data, "acl",3) == 0) {
vol->no_psx_acl = 0;
} else if (strnicmp(data, "noacl",5) == 0) {
return 1;
}
}
- if(vol->UNCip == 0)
+ if(vol->UNCip == NULL)
vol->UNCip = &vol->UNC[2];
return 0;
int
connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
- const char *old_path, const struct nls_table *nls_codepage)
+ const char *old_path, const struct nls_table *nls_codepage,
+ int remap)
{
unsigned char *referrals = NULL;
unsigned int num_referrals;
int rc = 0;
rc = get_dfs_path(xid, pSesInfo,old_path, nls_codepage,
- &num_referrals, &referrals);
+ &num_referrals, &referrals, remap);
/* BB Add in code to: if valid refrl, if not ip address contact
the helper that resolves tcp names, mount to it, try to
tcon to it unmount it if fail */
- if(referrals)
- kfree(referrals);
+ kfree(referrals);
return rc;
}
int
get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
const char *old_path, const struct nls_table *nls_codepage,
- unsigned int *pnum_referrals, unsigned char ** preferrals)
+ unsigned int *pnum_referrals,
+ unsigned char ** preferrals, int remap)
{
char *temp_unc;
int rc = 0;
}
if (rc == 0)
rc = CIFSGetDFSRefer(xid, pSesInfo, old_path, preferrals,
- pnum_referrals, nls_codepage);
+ pnum_referrals, nls_codepage, remap);
return rc;
}
static int
ipv4_connect(struct sockaddr_in *psin_server, struct socket **csocket,
- char * netbios_name)
+ char * netbios_name, char * target_name)
{
int rc = 0;
int connected = 0;
/* Eventually check for other socket options to change from
the default. sock_setsockopt not used because it expects
user space buffer */
+ cFYI(1,("sndbuf %d rcvbuf %d rcvtimeo 0x%lx",(*csocket)->sk->sk_sndbuf,
+ (*csocket)->sk->sk_rcvbuf, (*csocket)->sk->sk_rcvtimeo));
(*csocket)->sk->sk_rcvtimeo = 7 * HZ;
+ /* make the bufsizes depend on wsize/rsize and max requests */
+ if((*csocket)->sk->sk_sndbuf < (200 * 1024))
+ (*csocket)->sk->sk_sndbuf = 200 * 1024;
+ if((*csocket)->sk->sk_rcvbuf < (140 * 1024))
+ (*csocket)->sk->sk_rcvbuf = 140 * 1024;
/* send RFC1001 sessinit */
-
if(psin_server->sin_port == htons(RFC1001_PORT)) {
/* some servers require RFC1001 sessinit before sending
negprot - BB check reconnection in case where second
sessinit is sent but no second negprot */
struct rfc1002_session_packet * ses_init_buf;
struct smb_hdr * smb_buf;
- ses_init_buf = cifs_kcalloc(sizeof(struct rfc1002_session_packet), GFP_KERNEL);
+ ses_init_buf = kzalloc(sizeof(struct rfc1002_session_packet), GFP_KERNEL);
if(ses_init_buf) {
ses_init_buf->trailer.session_req.called_len = 32;
- rfc1002mangle(ses_init_buf->trailer.session_req.called_name,
- DEFAULT_CIFS_CALLED_NAME,16);
+ if(target_name && (target_name[0] != 0)) {
+ rfc1002mangle(ses_init_buf->trailer.session_req.called_name,
+ target_name, 16);
+ } else {
+ rfc1002mangle(ses_init_buf->trailer.session_req.called_name,
+ DEFAULT_CIFS_CALLED_NAME,16);
+ }
+
ses_init_buf->trailer.session_req.calling_len = 32;
/* calling name ends in null (byte 16) from old smb
convention. */
rc = smb_send(*csocket, smb_buf, 0x44,
(struct sockaddr *)psin_server);
kfree(ses_init_buf);
+ msleep(1); /* RFC1001 layer in at least one server
+ requires very short break before negprot
+ presumably because not expecting negprot
+ to follow so fast. This is a simple
+ solution that works without
+ complicating the code and causes no
+ significant slowing down on mount
+ for everyone else */
}
/* else the negprot may still work without this
even though malloc failed */
memset(&volume_info,0,sizeof(struct smb_vol));
if (cifs_parse_mount_options(mount_data, devname, &volume_info)) {
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -EINVAL;
}
if (volume_info.username) {
+ /* BB fixme parse for domain name here */
cFYI(1, ("Username: %s ", volume_info.username));
} else {
- cifserror("No username specified ");
+ cifserror("No username specified");
/* In userspace mount helper we can get user name from alternate
locations such as env variables and files on disk */
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -EINVAL;
}
if(rc <= 0) {
/* we failed translating address */
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -EINVAL;
}
} else if (volume_info.UNCip){
/* BB using ip addr as server name connect to the DFS root below */
cERROR(1,("Connecting to DFS root not implemented yet"));
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -EINVAL;
} else /* which servers DFS root would we conect to */ {
cERROR(1,
- ("CIFS mount error: No UNC path (e.g. -o unc=//192.168.1.100/public) specified "));
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ ("CIFS mount error: No UNC path (e.g. -o unc=//192.168.1.100/public) specified"));
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -EINVAL;
}
cifs_sb->local_nls = load_nls(volume_info.iocharset);
if(cifs_sb->local_nls == NULL) {
cERROR(1,("CIFS mount error: iocharset %s not found",volume_info.iocharset));
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -ELIBACC;
}
&sin_server6.sin6_addr,
volume_info.username, &srvTcp);
else {
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -EINVAL;
}
if (srvTcp) {
- cFYI(1, ("Existing tcp session with server found "));
+ cFYI(1, ("Existing tcp session with server found"));
} else { /* create socket */
if(volume_info.port)
sin_server.sin_port = htons(volume_info.port);
else
sin_server.sin_port = 0;
- rc = ipv4_connect(&sin_server,&csocket,volume_info.source_rfc1001_name);
+ rc = ipv4_connect(&sin_server,&csocket,
+ volume_info.source_rfc1001_name,
+ volume_info.target_rfc1001_name);
if (rc < 0) {
cERROR(1,
("Error connecting to IPv4 socket. Aborting operation"));
if(csocket != NULL)
sock_release(csocket);
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return rc;
}
if (srvTcp == NULL) {
rc = -ENOMEM;
sock_release(csocket);
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return rc;
} else {
if(rc < 0) {
rc = -ENOMEM;
sock_release(csocket);
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return rc;
- } else
- rc = 0;
+ }
+ wait_for_completion(&cifsd_complete);
+ rc = 0;
memcpy(srvTcp->workstation_RFC1001_name, volume_info.source_rfc1001_name,16);
+ memcpy(srvTcp->server_RFC1001_name, volume_info.target_rfc1001_name,16);
+ srvTcp->sequence_number = 0;
}
}
if (existingCifsSes) {
pSesInfo = existingCifsSes;
- cFYI(1, ("Existing smb sess found "));
- if(volume_info.password)
- kfree(volume_info.password);
+ cFYI(1, ("Existing smb sess found"));
+ kfree(volume_info.password);
/* volume_info.UNC freed at end of function */
} else if (!rc) {
- cFYI(1, ("Existing smb sess not found "));
+ cFYI(1, ("Existing smb sess not found"));
pSesInfo = sesInfoAlloc();
if (pSesInfo == NULL)
rc = -ENOMEM;
if(!rc)
atomic_inc(&srvTcp->socketUseCount);
} else
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.password);
}
/* search for existing tcon to this server share */
if (!rc) {
- if((volume_info.rsize) && (volume_info.rsize + MAX_CIFS_HDR_SIZE < srvTcp->maxBuf))
+ if(volume_info.rsize > CIFSMaxBufSize) {
+ cERROR(1,("rsize %d too large, using MaxBufSize",
+ volume_info.rsize));
+ cifs_sb->rsize = CIFSMaxBufSize;
+ } else if((volume_info.rsize) && (volume_info.rsize <= CIFSMaxBufSize))
cifs_sb->rsize = volume_info.rsize;
- else
- cifs_sb->rsize = srvTcp->maxBuf - MAX_CIFS_HDR_SIZE; /* default */
- if((volume_info.wsize) && (volume_info.wsize + MAX_CIFS_HDR_SIZE < srvTcp->maxBuf))
+ else /* default */
+ cifs_sb->rsize = CIFSMaxBufSize;
+
+ if(volume_info.wsize > PAGEVEC_SIZE * PAGE_CACHE_SIZE) {
+ cERROR(1,("wsize %d too large using 4096 instead",
+ volume_info.wsize));
+ cifs_sb->wsize = 4096;
+ } else if(volume_info.wsize)
cifs_sb->wsize = volume_info.wsize;
else
- cifs_sb->wsize = srvTcp->maxBuf - MAX_CIFS_HDR_SIZE; /* default */
- if(cifs_sb->rsize < PAGE_CACHE_SIZE) {
- cifs_sb->rsize = PAGE_CACHE_SIZE;
- cERROR(1,("Attempt to set readsize for mount to less than one page (4096)"));
+ cifs_sb->wsize =
+ min_t(const int, PAGEVEC_SIZE * PAGE_CACHE_SIZE,
+ 127*1024);
+ /* old default of CIFSMaxBufSize was too small now
+ that SMB Write2 can send multiple pages in kvec.
+ RFC1001 does not describe what happens when frame
+ bigger than 128K is sent so use that as max in
+ conjunction with 52K kvec constraint on arch with 4K
+ page size */
+
+ if(cifs_sb->rsize < 2048) {
+ cifs_sb->rsize = 2048;
+ /* Windows ME may prefer this */
+ cFYI(1,("readsize set to minimum 2048"));
}
cifs_sb->mnt_uid = volume_info.linux_uid;
cifs_sb->mnt_gid = volume_info.linux_gid;
cifs_sb->mnt_file_mode = volume_info.file_mode;
cifs_sb->mnt_dir_mode = volume_info.dir_mode;
- cFYI(1,("file mode: 0x%x dir mode: 0x%x",cifs_sb->mnt_file_mode,cifs_sb->mnt_dir_mode));
+ cFYI(1,("file mode: 0x%x dir mode: 0x%x",
+ cifs_sb->mnt_file_mode,cifs_sb->mnt_dir_mode));
if(volume_info.noperm)
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_PERM;
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_SET_UID;
if(volume_info.server_ino)
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_SERVER_INUM;
+ if(volume_info.remap)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MAP_SPECIAL_CHR;
+ if(volume_info.no_xattr)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_XATTR;
+ if(volume_info.sfu_emul)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_UNX_EMUL;
+ if(volume_info.nobrl)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_BRL;
+ if(volume_info.cifs_acl)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_ACL;
+
if(volume_info.direct_io) {
- cERROR(1,("mounting share using direct i/o"));
+ cFYI(1,("mounting share using direct i/o"));
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO;
}
find_unc(sin_server.sin_addr.s_addr, volume_info.UNC,
volume_info.username);
if (tcon) {
- cFYI(1, ("Found match on UNC path "));
+ cFYI(1, ("Found match on UNC path"));
/* we can have only one retry value for a connection
to a share so for resources mounted more than once
to the same server share the last value passed in
for the retry flag is used */
tcon->retry = volume_info.retry;
+ tcon->nocase = volume_info.nocase;
} else {
tcon = tconInfoAlloc();
if (tcon == NULL)
if ((strchr(volume_info.UNC + 3, '\\') == NULL)
&& (strchr(volume_info.UNC + 3, '/') ==
NULL)) {
- rc = connect_to_dfs_path(xid,
- pSesInfo,
- "",
- cifs_sb->
- local_nls);
- if(volume_info.UNC)
- kfree(volume_info.UNC);
+ rc = connect_to_dfs_path(xid, pSesInfo,
+ "", cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_MAP_SPECIAL_CHR);
+ kfree(volume_info.UNC);
FreeXid(xid);
return -ENODEV;
} else {
if (!rc) {
atomic_inc(&pSesInfo->inUse);
tcon->retry = volume_info.retry;
+ tcon->nocase = volume_info.nocase;
}
}
}
spin_lock(&GlobalMid_Lock);
srvTcp->tcpStatus = CifsExiting;
spin_unlock(&GlobalMid_Lock);
- if(srvTcp->tsk)
+ if(srvTcp->tsk) {
send_sig(SIGKILL,srvTcp->tsk,1);
+ wait_for_completion(&cifsd_complete);
+ }
}
/* If find_unc succeeded then rc == 0 so we can not end */
if (tcon) /* up accidently freeing someone elses tcon struct */
tconInfoFree(tcon);
- if (existingCifsSes == 0) {
+ if (existingCifsSes == NULL) {
if (pSesInfo) {
if ((pSesInfo->server) &&
(pSesInfo->status == CifsGood)) {
temp_rc = CIFSSMBLogoff(xid, pSesInfo);
/* if the socketUseCount is now zero */
if((temp_rc == -ESHUTDOWN) &&
- (pSesInfo->server->tsk))
+ (pSesInfo->server->tsk)) {
send_sig(SIGKILL,pSesInfo->server->tsk,1);
+ wait_for_completion(&cifsd_complete);
+ }
} else
cFYI(1, ("No session or bad tcon"));
sesInfoFree(pSesInfo);
cifs_sb->tcon = tcon;
tcon->ses = pSesInfo;
- /* do not care if following two calls succeed - informational only */
- CIFSSMBQFSDeviceInfo(xid, tcon, cifs_sb->local_nls);
- CIFSSMBQFSAttributeInfo(xid, tcon, cifs_sb->local_nls);
+ /* do not care if following two calls succeed - informational */
+ CIFSSMBQFSDeviceInfo(xid, tcon);
+ CIFSSMBQFSAttributeInfo(xid, tcon);
+
if (tcon->ses->capabilities & CAP_UNIX) {
- if(!CIFSSMBQFSUnixInfo(xid, tcon, cifs_sb->local_nls)) {
- if(!volume_info.no_psx_acl) {
- if(CIFS_UNIX_POSIX_ACL_CAP &
- le64_to_cpu(tcon->fsUnixInfo.Capability))
- cFYI(1,("server negotiated posix acl support"));
- sb->s_flags |= MS_POSIXACL;
+ if(!CIFSSMBQFSUnixInfo(xid, tcon)) {
+ __u64 cap =
+ le64_to_cpu(tcon->fsUnixInfo.Capability);
+ cap &= CIFS_UNIX_CAP_MASK;
+ if(volume_info.no_psx_acl)
+ cap &= ~CIFS_UNIX_POSIX_ACL_CAP;
+ else if(CIFS_UNIX_POSIX_ACL_CAP & cap) {
+ cFYI(1,("negotiated posix acl support"));
+ sb->s_flags |= MS_POSIXACL;
+ }
+
+ if(volume_info.posix_paths == 0)
+ cap &= ~CIFS_UNIX_POSIX_PATHNAMES_CAP;
+ else if(cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
+ cFYI(1,("negotiate posix pathnames"));
+ cifs_sb->mnt_cifs_flags |=
+ CIFS_MOUNT_POSIX_PATHS;
+ }
+
+ cFYI(1,("Negotiate caps 0x%x",(int)cap));
+
+ if (CIFSSMBSetFSUnixInfo(xid, tcon, cap)) {
+ cFYI(1,("setting capabilities failed"));
}
}
}
+ if (!(tcon->ses->capabilities & CAP_LARGE_WRITE_X))
+ cifs_sb->wsize = min(cifs_sb->wsize,
+ (tcon->ses->server->maxBuf -
+ MAX_CIFS_HDR_SIZE));
+ if (!(tcon->ses->capabilities & CAP_LARGE_READ_X))
+ cifs_sb->rsize = min(cifs_sb->rsize,
+ (tcon->ses->server->maxBuf -
+ MAX_CIFS_HDR_SIZE));
}
/* volume_info.password is freed above when existing session found
(in which case it is not needed anymore) but when new sesion is created
the password ptr is put in the new session structure (in which case the
password will be freed at unmount time) */
- if(volume_info.UNC)
- kfree(volume_info.UNC);
+ kfree(volume_info.UNC);
FreeXid(xid);
return rc;
}
__u32 capabilities;
__u16 count;
- cFYI(1, ("In sesssetup "));
+ cFYI(1, ("In sesssetup"));
if(ses == NULL)
return -EINVAL;
user = ses->userName;
domain = ses->domainName;
smb_buffer = cifs_buf_get();
- if (smb_buffer == 0) {
+ if (smb_buffer == NULL) {
return -ENOMEM;
}
smb_buffer_response = smb_buffer;
header_assemble(smb_buffer, SMB_COM_SESSION_SETUP_ANDX,
NULL /* no tCon exists yet */ , 13 /* wct */ );
+ smb_buffer->Mid = GetNextMid(ses->server);
pSMB->req_no_secext.AndXCommand = 0xFF;
pSMB->req_no_secext.MaxBufferSize = cpu_to_le16(ses->server->maxBuf);
pSMB->req_no_secext.MaxMpxCount = cpu_to_le16(ses->server->maxReq);
if(ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
- capabilities = CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS;
+ capabilities = CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS |
+ CAP_LARGE_WRITE_X | CAP_LARGE_READ_X;
if (ses->capabilities & CAP_UNICODE) {
smb_buffer->Flags2 |= SMBFLG2_UNICODE;
capabilities |= CAP_UNICODE;
bcc_ptr += CIFS_SESSION_KEY_SIZE;
if (ses->capabilities & CAP_UNICODE) {
- if ((long) bcc_ptr % 2) { /* must be word aligned for Unicode */
+ if ((long) bcc_ptr % 2) { /* must be word aligned for Unicode */
*bcc_ptr = 0;
bcc_ptr++;
}
bytes_returned = 0; /* skill null user */
else
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, user, 100,
+ cifs_strtoUCS((__le16 *) bcc_ptr, user, 100,
nls_codepage);
- bcc_ptr += 2 * bytes_returned; /* convert num 16 bit words to bytes */
+ /* convert number of 16 bit words to bytes */
+ bcc_ptr += 2 * bytes_returned;
bcc_ptr += 2; /* trailing null */
if (domain == NULL)
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr,
+ cifs_strtoUCS((__le16 *) bcc_ptr,
"CIFS_LINUX_DOM", 32, nls_codepage);
else
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, domain, 64,
+ cifs_strtoUCS((__le16 *) bcc_ptr, domain, 64,
nls_codepage);
bcc_ptr += 2 * bytes_returned;
bcc_ptr += 2;
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, "Linux version ",
+ cifs_strtoUCS((__le16 *) bcc_ptr, "Linux version ",
32, nls_codepage);
bcc_ptr += 2 * bytes_returned;
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, system_utsname.release, 32,
- nls_codepage);
+ cifs_strtoUCS((__le16 *) bcc_ptr, system_utsname.release,
+ 32, nls_codepage);
bcc_ptr += 2 * bytes_returned;
bcc_ptr += 2;
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, CIFS_NETWORK_OPSYS,
+ cifs_strtoUCS((__le16 *) bcc_ptr, CIFS_NETWORK_OPSYS,
64, nls_codepage);
bcc_ptr += 2 * bytes_returned;
bcc_ptr += 2;
/* We look for obvious messed up bcc or strings in response so we do not go off
the end since (at least) WIN2K and Windows XP have a major bug in not null
terminating last Unicode string in response */
- ses->serverOS = cifs_kcalloc(2 * (len + 1), GFP_KERNEL);
+ if(ses->serverOS)
+ kfree(ses->serverOS);
+ ses->serverOS = kzalloc(2 * (len + 1), GFP_KERNEL);
+ if(ses->serverOS == NULL)
+ goto sesssetup_nomem;
cifs_strfromUCS_le(ses->serverOS,
- (wchar_t *)bcc_ptr, len,nls_codepage);
+ (__le16 *)bcc_ptr, len,nls_codepage);
bcc_ptr += 2 * (len + 1);
remaining_words -= len + 1;
ses->serverOS[2 * len] = 0;
if (remaining_words > 0) {
len = UniStrnlen((wchar_t *)bcc_ptr,
remaining_words-1);
- ses->serverNOS =cifs_kcalloc(2 * (len + 1),GFP_KERNEL);
+ if(ses->serverNOS)
+ kfree(ses->serverNOS);
+ ses->serverNOS = kzalloc(2 * (len + 1),GFP_KERNEL);
+ if(ses->serverNOS == NULL)
+ goto sesssetup_nomem;
cifs_strfromUCS_le(ses->serverNOS,
- (wchar_t *)bcc_ptr,len,nls_codepage);
+ (__le16 *)bcc_ptr,len,nls_codepage);
bcc_ptr += 2 * (len + 1);
ses->serverNOS[2 * len] = 0;
ses->serverNOS[1 + (2 * len)] = 0;
+ if(strncmp(ses->serverNOS,
+ "NT LAN Manager 4",16) == 0) {
+ cFYI(1,("NT4 server"));
+ ses->flags |= CIFS_SES_NT4;
+ }
remaining_words -= len + 1;
if (remaining_words > 0) {
- len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
+ len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
/* last string is not always null terminated (for e.g. for Windows XP & 2000) */
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
ses->serverDomain =
- cifs_kcalloc(2*(len+1),GFP_KERNEL);
+ kzalloc(2*(len+1),GFP_KERNEL);
+ if(ses->serverDomain == NULL)
+ goto sesssetup_nomem;
cifs_strfromUCS_le(ses->serverDomain,
- (wchar_t *)bcc_ptr,len,nls_codepage);
+ (__le16 *)bcc_ptr,len,nls_codepage);
bcc_ptr += 2 * (len + 1);
ses->serverDomain[2*len] = 0;
ses->serverDomain[1+(2*len)] = 0;
} /* else no more room so create dummy domain string */
- else
- ses->serverDomain =
- cifs_kcalloc(2,
- GFP_KERNEL);
+ else {
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
+ ses->serverDomain =
+ kzalloc(2, GFP_KERNEL);
+ }
} else { /* no room so create dummy domain and NOS string */
+ /* if these kcallocs fail not much we
+ can do, but better to not fail the
+ sesssetup itself */
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
ses->serverDomain =
- cifs_kcalloc(2, GFP_KERNEL);
+ kzalloc(2, GFP_KERNEL);
+ if(ses->serverNOS)
+ kfree(ses->serverNOS);
ses->serverNOS =
- cifs_kcalloc(2, GFP_KERNEL);
+ kzalloc(2, GFP_KERNEL);
}
} else { /* ASCII */
len = strnlen(bcc_ptr, 1024);
if (((long) bcc_ptr + len) - (long)
pByteArea(smb_buffer_response)
<= BCC(smb_buffer_response)) {
- ses->serverOS = cifs_kcalloc(len + 1,GFP_KERNEL);
+ if(ses->serverOS)
+ kfree(ses->serverOS);
+ ses->serverOS = kzalloc(len + 1,GFP_KERNEL);
+ if(ses->serverOS == NULL)
+ goto sesssetup_nomem;
strncpy(ses->serverOS,bcc_ptr, len);
bcc_ptr += len;
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- ses->serverNOS = cifs_kcalloc(len + 1,GFP_KERNEL);
+ if(ses->serverNOS)
+ kfree(ses->serverNOS);
+ ses->serverNOS = kzalloc(len + 1,GFP_KERNEL);
+ if(ses->serverNOS == NULL)
+ goto sesssetup_nomem;
strncpy(ses->serverNOS, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr[0] = 0;
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- ses->serverDomain = cifs_kcalloc(len + 1,GFP_KERNEL);
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
+ ses->serverDomain = kzalloc(len + 1,GFP_KERNEL);
+ if(ses->serverDomain == NULL)
+ goto sesssetup_nomem;
strncpy(ses->serverDomain, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr[0] = 0;
smb_buffer_response->WordCount));
rc = -EIO;
}
-
+sesssetup_nomem: /* do not return an error on nomem for the info strings,
+ since that could make reconnection harder, and
+ reconnection might be needed to free memory */
if (smb_buffer)
cifs_buf_release(smb_buffer);
domain = ses->domainName;
smb_buffer = cifs_buf_get();
- if (smb_buffer == 0) {
+ if (smb_buffer == NULL) {
return -ENOMEM;
}
smb_buffer_response = smb_buffer;
/* send SMBsessionSetup here */
header_assemble(smb_buffer, SMB_COM_SESSION_SETUP_ANDX,
NULL /* no tCon exists yet */ , 12 /* wct */ );
+
+ smb_buffer->Mid = GetNextMid(ses->server);
pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC;
pSMB->req.AndXCommand = 0xFF;
+ if(ses->server->maxBuf > 64*1024)
+ ses->server->maxBuf = (64*1023);
pSMB->req.MaxBufferSize = cpu_to_le16(ses->server->maxBuf);
pSMB->req.MaxMpxCount = cpu_to_le16(ses->server->maxReq);
bcc_ptr++;
}
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, user, 100, nls_codepage);
+ cifs_strtoUCS((__le16 *) bcc_ptr, user, 100, nls_codepage);
bcc_ptr += 2 * bytes_returned; /* convert num of 16 bit words to bytes */
bcc_ptr += 2; /* trailing null */
if (domain == NULL)
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr,
+ cifs_strtoUCS((__le16 *) bcc_ptr,
"CIFS_LINUX_DOM", 32, nls_codepage);
else
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, domain, 64,
+ cifs_strtoUCS((__le16 *) bcc_ptr, domain, 64,
nls_codepage);
bcc_ptr += 2 * bytes_returned;
bcc_ptr += 2;
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, "Linux version ",
+ cifs_strtoUCS((__le16 *) bcc_ptr, "Linux version ",
32, nls_codepage);
bcc_ptr += 2 * bytes_returned;
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, system_utsname.release, 32,
+ cifs_strtoUCS((__le16 *) bcc_ptr, system_utsname.release, 32,
nls_codepage);
bcc_ptr += 2 * bytes_returned;
bcc_ptr += 2;
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, CIFS_NETWORK_OPSYS,
+ cifs_strtoUCS((__le16 *) bcc_ptr, CIFS_NETWORK_OPSYS,
64, nls_codepage);
bcc_ptr += 2 * bytes_returned;
bcc_ptr += 2;
/* We look for obvious messed up bcc or strings in response so we do not go off
the end since (at least) WIN2K and Windows XP have a major bug in not null
terminating last Unicode string in response */
+ if(ses->serverOS)
+ kfree(ses->serverOS);
ses->serverOS =
- cifs_kcalloc(2 * (len + 1), GFP_KERNEL);
+ kzalloc(2 * (len + 1), GFP_KERNEL);
cifs_strfromUCS_le(ses->serverOS,
- (wchar_t *)
+ (__le16 *)
bcc_ptr, len,
nls_codepage);
bcc_ptr += 2 * (len + 1);
len = UniStrnlen((wchar_t *)bcc_ptr,
remaining_words
- 1);
+ if(ses->serverNOS)
+ kfree(ses->serverNOS);
ses->serverNOS =
- cifs_kcalloc(2 * (len + 1),
+ kzalloc(2 * (len + 1),
GFP_KERNEL);
cifs_strfromUCS_le(ses->serverNOS,
- (wchar_t *)bcc_ptr,
+ (__le16 *)bcc_ptr,
len,
nls_codepage);
bcc_ptr += 2 * (len + 1);
remaining_words -= len + 1;
if (remaining_words > 0) {
len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
- /* last string is not always null terminated (for e.g. for Windows XP & 2000) */
- ses->serverDomain = cifs_kcalloc(2*(len+1),GFP_KERNEL);
+ /* last string not null terminated (e.g.Windows XP/2000) */
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
+ ses->serverDomain = kzalloc(2*(len+1),GFP_KERNEL);
cifs_strfromUCS_le(ses->serverDomain,
- (wchar_t *)bcc_ptr,
- len,
- nls_codepage);
+ (__le16 *)bcc_ptr,
+ len, nls_codepage);
bcc_ptr += 2*(len+1);
ses->serverDomain[2*len] = 0;
ses->serverDomain[1+(2*len)] = 0;
} /* else no more room so create dummy domain string */
- else
+ else {
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
ses->serverDomain =
- cifs_kcalloc(2,GFP_KERNEL);
- } else { /* no room so create dummy domain and NOS string */
- ses->serverDomain = cifs_kcalloc(2, GFP_KERNEL);
- ses->serverNOS = cifs_kcalloc(2, GFP_KERNEL);
+ kzalloc(2,GFP_KERNEL);
+ }
+ } else {/* no room use dummy domain&NOS */
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
+ ses->serverDomain = kzalloc(2, GFP_KERNEL);
+ if(ses->serverNOS)
+ kfree(ses->serverNOS);
+ ses->serverNOS = kzalloc(2, GFP_KERNEL);
}
} else { /* ASCII */
if (((long) bcc_ptr + len) - (long)
pByteArea(smb_buffer_response)
<= BCC(smb_buffer_response)) {
- ses->serverOS = cifs_kcalloc(len + 1, GFP_KERNEL);
+ if(ses->serverOS)
+ kfree(ses->serverOS);
+ ses->serverOS = kzalloc(len + 1, GFP_KERNEL);
strncpy(ses->serverOS, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- ses->serverNOS = cifs_kcalloc(len + 1,GFP_KERNEL);
+ if(ses->serverNOS)
+ kfree(ses->serverNOS);
+ ses->serverNOS = kzalloc(len + 1,GFP_KERNEL);
strncpy(ses->serverNOS, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr[0] = 0;
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- ses->serverDomain = cifs_kcalloc(len + 1, GFP_KERNEL);
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
+ ses->serverDomain = kzalloc(len + 1, GFP_KERNEL);
strncpy(ses->serverDomain, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr[0] = 0;
__u32 negotiate_flags, capabilities;
__u16 count;
- cFYI(1, ("In NTLMSSP sesssetup (negotiate) "));
+ cFYI(1, ("In NTLMSSP sesssetup (negotiate)"));
if(ses == NULL)
return -EINVAL;
domain = ses->domainName;
*pNTLMv2_flag = FALSE;
smb_buffer = cifs_buf_get();
- if (smb_buffer == 0) {
+ if (smb_buffer == NULL) {
return -ENOMEM;
}
smb_buffer_response = smb_buffer;
/* send SMBsessionSetup here */
header_assemble(smb_buffer, SMB_COM_SESSION_SETUP_ANDX,
NULL /* no tCon exists yet */ , 12 /* wct */ );
+
+ smb_buffer->Mid = GetNextMid(ses->server);
pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC;
pSMB->req.hdr.Flags |= (SMBFLG_CASELESS | SMBFLG_CANONICAL_PATH_FORMAT);
SecurityBlob->MessageType = NtLmNegotiate;
negotiate_flags =
NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_NEGOTIATE_OEM |
- NTLMSSP_REQUEST_TARGET | NTLMSSP_NEGOTIATE_NTLM | 0x80000000 |
+ NTLMSSP_REQUEST_TARGET | NTLMSSP_NEGOTIATE_NTLM |
+ NTLMSSP_NEGOTIATE_56 |
/* NTLMSSP_NEGOTIATE_ALWAYS_SIGN | */ NTLMSSP_NEGOTIATE_128;
if(sign_CIFS_PDUs)
negotiate_flags |= NTLMSSP_NEGOTIATE_SIGN;
SecurityBlob->WorkstationName.Length = 0;
SecurityBlob->WorkstationName.MaximumLength = 0;
- if (domain == NULL) {
- SecurityBlob->DomainName.Buffer = 0;
- SecurityBlob->DomainName.Length = 0;
- SecurityBlob->DomainName.MaximumLength = 0;
- } else {
- __u16 len;
- negotiate_flags |= NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED;
- strncpy(bcc_ptr, domain, 63);
- len = strnlen(domain, 64);
- SecurityBlob->DomainName.MaximumLength =
- cpu_to_le16(len);
- SecurityBlob->DomainName.Buffer =
- cpu_to_le32((long) &SecurityBlob->
- DomainString -
- (long) &SecurityBlob->Signature);
- bcc_ptr += len;
- SecurityBlobLength += len;
- SecurityBlob->DomainName.Length =
- cpu_to_le16(len);
- }
+ /* Domain not sent on first Sesssetup in NTLMSSP, instead it is sent
+ along with username on auth request (ie the response to challenge) */
+ SecurityBlob->DomainName.Buffer = 0;
+ SecurityBlob->DomainName.Length = 0;
+ SecurityBlob->DomainName.MaximumLength = 0;
if (ses->capabilities & CAP_UNICODE) {
if ((long) bcc_ptr % 2) {
*bcc_ptr = 0;
}
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, "Linux version ",
+ cifs_strtoUCS((__le16 *) bcc_ptr, "Linux version ",
32, nls_codepage);
bcc_ptr += 2 * bytes_returned;
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, system_utsname.release, 32,
+ cifs_strtoUCS((__le16 *) bcc_ptr, system_utsname.release, 32,
nls_codepage);
bcc_ptr += 2 * bytes_returned;
bcc_ptr += 2; /* null terminate Linux version */
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, CIFS_NETWORK_OPSYS,
+ cifs_strtoUCS((__le16 *) bcc_ptr, CIFS_NETWORK_OPSYS,
64, nls_codepage);
bcc_ptr += 2 * bytes_returned;
*(bcc_ptr + 1) = 0;
SecurityBlob2->MessageType));
} else if (ses) {
ses->Suid = smb_buffer_response->Uid; /* UID left in le format */
- cFYI(1, ("UID = %d ", ses->Suid));
+ cFYI(1, ("UID = %d", ses->Suid));
if ((pSMBr->resp.hdr.WordCount == 3)
|| ((pSMBr->resp.hdr.WordCount == 4)
&& (blob_len <
if (pSMBr->resp.hdr.WordCount == 4) {
bcc_ptr += blob_len;
- cFYI(1,
- ("Security Blob Length %d ",
+ cFYI(1, ("Security Blob Length %d",
blob_len));
}
- cFYI(1, ("NTLMSSP Challenge rcvd "));
+ cFYI(1, ("NTLMSSP Challenge rcvd"));
memcpy(ses->server->cryptKey,
SecurityBlob2->Challenge,
CIFS_CRYPTO_KEY_SIZE);
- if(SecurityBlob2->NegotiateFlags & cpu_to_le32(NTLMSSP_NEGOTIATE_NTLMV2))
+ if(SecurityBlob2->NegotiateFlags &
+ cpu_to_le32(NTLMSSP_NEGOTIATE_NTLMV2))
*pNTLMv2_flag = TRUE;
if((SecurityBlob2->NegotiateFlags &
/* We look for obvious messed up bcc or strings in response so we do not go off
the end since (at least) WIN2K and Windows XP have a major bug in not null
terminating last Unicode string in response */
+ if(ses->serverOS)
+ kfree(ses->serverOS);
ses->serverOS =
- cifs_kcalloc(2 * (len + 1), GFP_KERNEL);
+ kzalloc(2 * (len + 1), GFP_KERNEL);
cifs_strfromUCS_le(ses->serverOS,
- (wchar_t *)
+ (__le16 *)
bcc_ptr, len,
nls_codepage);
bcc_ptr += 2 * (len + 1);
bcc_ptr,
remaining_words
- 1);
+ if(ses->serverNOS)
+ kfree(ses->serverNOS);
ses->serverNOS =
- cifs_kcalloc(2 * (len + 1),
+ kzalloc(2 * (len + 1),
GFP_KERNEL);
cifs_strfromUCS_le(ses->
serverNOS,
- (wchar_t *)
+ (__le16 *)
bcc_ptr,
len,
nls_codepage);
if (remaining_words > 0) {
len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
/* last string is not always null terminated (for e.g. for Windows XP & 2000) */
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
ses->serverDomain =
- cifs_kcalloc(2 *
+ kzalloc(2 *
(len +
1),
GFP_KERNEL);
cifs_strfromUCS_le
- (ses->
- serverDomain,
- (wchar_t *)
- bcc_ptr, len,
- nls_codepage);
+ (ses->serverDomain,
+ (__le16 *)bcc_ptr,
+ len, nls_codepage);
bcc_ptr +=
2 * (len + 1);
- ses->
- serverDomain[2
- * len]
+ ses->serverDomain[2*len]
= 0;
- ses->
- serverDomain[1
- +
- (2
- *
- len)]
+ ses->serverDomain
+ [1 + (2 * len)]
= 0;
} /* else no more room so create dummy domain string */
- else
+ else {
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
ses->serverDomain =
- cifs_kcalloc(2,
+ kzalloc(2,
GFP_KERNEL);
+ }
} else { /* no room so create dummy domain and NOS string */
+ if(ses->serverDomain);
+ kfree(ses->serverDomain);
ses->serverDomain =
- cifs_kcalloc(2, GFP_KERNEL);
+ kzalloc(2, GFP_KERNEL);
+ if(ses->serverNOS)
+ kfree(ses->serverNOS);
ses->serverNOS =
- cifs_kcalloc(2, GFP_KERNEL);
+ kzalloc(2, GFP_KERNEL);
}
} else { /* ASCII */
len = strnlen(bcc_ptr, 1024);
if (((long) bcc_ptr + len) - (long)
pByteArea(smb_buffer_response)
<= BCC(smb_buffer_response)) {
+ if(ses->serverOS)
+ kfree(ses->serverOS);
ses->serverOS =
- cifs_kcalloc(len + 1,
+ kzalloc(len + 1,
GFP_KERNEL);
strncpy(ses->serverOS,
bcc_ptr, len);
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
+ if(ses->serverNOS)
+ kfree(ses->serverNOS);
ses->serverNOS =
- cifs_kcalloc(len + 1,
+ kzalloc(len + 1,
GFP_KERNEL);
strncpy(ses->serverNOS, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
ses->serverDomain =
- cifs_kcalloc(len + 1,
+ kzalloc(len + 1,
GFP_KERNEL);
strncpy(ses->serverDomain, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr++;
} else
cFYI(1,
- ("Variable field of length %d extends beyond end of smb ",
+ ("Variable field of length %d extends beyond end of smb",
len));
}
} else {
}
} else {
cERROR(1,
- (" Invalid Word count %d: ",
+ (" Invalid Word count %d:",
smb_buffer_response->WordCount));
rc = -EIO;
}
user = ses->userName;
domain = ses->domainName;
smb_buffer = cifs_buf_get();
- if (smb_buffer == 0) {
+ if (smb_buffer == NULL) {
return -ENOMEM;
}
smb_buffer_response = smb_buffer;
/* send SMBsessionSetup here */
header_assemble(smb_buffer, SMB_COM_SESSION_SETUP_ANDX,
NULL /* no tCon exists yet */ , 12 /* wct */ );
+
+ smb_buffer->Mid = GetNextMid(ses->server);
pSMB->req.hdr.Flags |= (SMBFLG_CASELESS | SMBFLG_CANONICAL_PATH_FORMAT);
pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC;
pSMB->req.AndXCommand = 0xFF;
SecurityBlob->DomainName.MaximumLength = 0;
} else {
__u16 len =
- cifs_strtoUCS((wchar_t *) bcc_ptr, domain, 64,
+ cifs_strtoUCS((__le16 *) bcc_ptr, domain, 64,
nls_codepage);
len *= 2;
SecurityBlob->DomainName.MaximumLength =
SecurityBlob->UserName.MaximumLength = 0;
} else {
__u16 len =
- cifs_strtoUCS((wchar_t *) bcc_ptr, user, 64,
+ cifs_strtoUCS((__le16 *) bcc_ptr, user, 64,
nls_codepage);
len *= 2;
SecurityBlob->UserName.MaximumLength =
cpu_to_le16(len);
}
- /* SecurityBlob->WorkstationName.Length = cifs_strtoUCS((wchar_t *) bcc_ptr, "AMACHINE",64, nls_codepage);
+ /* SecurityBlob->WorkstationName.Length = cifs_strtoUCS((__le16 *) bcc_ptr, "AMACHINE",64, nls_codepage);
SecurityBlob->WorkstationName.Length *= 2;
SecurityBlob->WorkstationName.MaximumLength = cpu_to_le16(SecurityBlob->WorkstationName.Length);
SecurityBlob->WorkstationName.Buffer = cpu_to_le32(SecurityBlobLength);
bcc_ptr++;
}
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, "Linux version ",
+ cifs_strtoUCS((__le16 *) bcc_ptr, "Linux version ",
32, nls_codepage);
bcc_ptr += 2 * bytes_returned;
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, system_utsname.release, 32,
+ cifs_strtoUCS((__le16 *) bcc_ptr, system_utsname.release, 32,
nls_codepage);
bcc_ptr += 2 * bytes_returned;
bcc_ptr += 2; /* null term version string */
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, CIFS_NETWORK_OPSYS,
+ cifs_strtoUCS((__le16 *) bcc_ptr, CIFS_NETWORK_OPSYS,
64, nls_codepage);
bcc_ptr += 2 * bytes_returned;
*(bcc_ptr + 1) = 0;
/* We look for obvious messed up bcc or strings in response so we do not go off
the end since (at least) WIN2K and Windows XP have a major bug in not null
terminating last Unicode string in response */
+ if(ses->serverOS)
+ kfree(ses->serverOS);
ses->serverOS =
- cifs_kcalloc(2 * (len + 1), GFP_KERNEL);
+ kzalloc(2 * (len + 1), GFP_KERNEL);
cifs_strfromUCS_le(ses->serverOS,
- (wchar_t *)
+ (__le16 *)
bcc_ptr, len,
nls_codepage);
bcc_ptr += 2 * (len + 1);
bcc_ptr,
remaining_words
- 1);
+ if(ses->serverNOS)
+ kfree(ses->serverNOS);
ses->serverNOS =
- cifs_kcalloc(2 * (len + 1),
+ kzalloc(2 * (len + 1),
GFP_KERNEL);
cifs_strfromUCS_le(ses->
serverNOS,
- (wchar_t *)
+ (__le16 *)
bcc_ptr,
len,
nls_codepage);
if (remaining_words > 0) {
len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
/* last string not always null terminated (e.g. for Windows XP & 2000) */
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
ses->serverDomain =
- cifs_kcalloc(2 *
+ kzalloc(2 *
(len +
1),
GFP_KERNEL);
cifs_strfromUCS_le
(ses->
serverDomain,
- (wchar_t *)
+ (__le16 *)
bcc_ptr, len,
nls_codepage);
bcc_ptr +=
len)]
= 0;
} /* else no more room so create dummy domain string */
- else
- ses->serverDomain = cifs_kcalloc(2,GFP_KERNEL);
+ else {
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
+ ses->serverDomain = kzalloc(2,GFP_KERNEL);
+ }
} else { /* no room so create dummy domain and NOS string */
- ses->serverDomain = cifs_kcalloc(2, GFP_KERNEL);
- ses->serverNOS = cifs_kcalloc(2, GFP_KERNEL);
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
+ ses->serverDomain = kzalloc(2, GFP_KERNEL);
+ if(ses->serverNOS)
+ kfree(ses->serverNOS);
+ ses->serverNOS = kzalloc(2, GFP_KERNEL);
}
} else { /* ASCII */
len = strnlen(bcc_ptr, 1024);
if (((long) bcc_ptr + len) -
(long) pByteArea(smb_buffer_response)
<= BCC(smb_buffer_response)) {
- ses->serverOS = cifs_kcalloc(len + 1,GFP_KERNEL);
+ if(ses->serverOS)
+ kfree(ses->serverOS);
+ ses->serverOS = kzalloc(len + 1,GFP_KERNEL);
strncpy(ses->serverOS,bcc_ptr, len);
bcc_ptr += len;
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- ses->serverNOS = cifs_kcalloc(len+1,GFP_KERNEL);
+ if(ses->serverNOS)
+ kfree(ses->serverNOS);
+ ses->serverNOS = kzalloc(len+1,GFP_KERNEL);
strncpy(ses->serverNOS, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr[0] = 0;
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- ses->serverDomain = cifs_kcalloc(len+1,GFP_KERNEL);
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
+ ses->serverDomain = kzalloc(len+1,GFP_KERNEL);
strncpy(ses->serverDomain, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr[0] = 0;
return -EIO;
smb_buffer = cifs_buf_get();
- if (smb_buffer == 0) {
+ if (smb_buffer == NULL) {
return -ENOMEM;
}
smb_buffer_response = smb_buffer;
header_assemble(smb_buffer, SMB_COM_TREE_CONNECT_ANDX,
NULL /*no tid */ , 4 /*wct */ );
+
+ smb_buffer->Mid = GetNextMid(ses->server);
smb_buffer->Uid = ses->Suid;
pSMB = (TCONX_REQ *) smb_buffer;
pSMBr = (TCONX_RSP *) smb_buffer_response;
pSMB->AndXCommand = 0xFF;
pSMB->Flags = cpu_to_le16(TCON_EXTENDED_SECINFO);
- pSMB->PasswordLength = cpu_to_le16(1); /* minimum */
bcc_ptr = &pSMB->Password[0];
- bcc_ptr++; /* skip password */
+ if((ses->server->secMode) & SECMODE_USER) {
+ pSMB->PasswordLength = cpu_to_le16(1); /* minimum */
+ bcc_ptr++; /* skip password */
+ } else {
+ pSMB->PasswordLength = cpu_to_le16(CIFS_SESSION_KEY_SIZE);
+ /* BB FIXME add code to fail this if NTLMv2 or Kerberos
+ specified as required (when that support is added to
+ the vfs in the future) as only NTLM or the much
+ weaker LANMAN (which we do not send) is accepted
+ by Samba (not sure whether other servers allow
+ NTLMv2 password here) */
+ SMBNTencrypt(ses->password,
+ ses->server->cryptKey,
+ bcc_ptr);
+
+ bcc_ptr += CIFS_SESSION_KEY_SIZE;
+ *bcc_ptr = 0;
+ bcc_ptr++; /* align */
+ }
- if(ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+ if(ses->server->secMode &
+ (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
if (ses->capabilities & CAP_STATUS32) {
if (ses->capabilities & CAP_UNICODE) {
smb_buffer->Flags2 |= SMBFLG2_UNICODE;
length =
- cifs_strtoUCS((wchar_t *) bcc_ptr, tree, 100, nls_codepage);
- bcc_ptr += 2 * length; /* convert num of 16 bit words to bytes */
+ cifs_strtoUCS((__le16 *) bcc_ptr, tree,
+ 6 /* max utf8 char length in bytes */ *
+ (/* server len*/ + 256 /* share len */), nls_codepage);
+ bcc_ptr += 2 * length; /* convert num 16 bit words to bytes */
bcc_ptr += 2; /* skip trailing null */
} else { /* ASCII */
-
strcpy(bcc_ptr, tree);
bcc_ptr += strlen(tree) + 1;
}
if ((bcc_ptr + (2 * length)) -
pByteArea(smb_buffer_response) <=
BCC(smb_buffer_response)) {
- if(tcon->nativeFileSystem)
- kfree(tcon->nativeFileSystem);
+ kfree(tcon->nativeFileSystem);
tcon->nativeFileSystem =
- cifs_kcalloc(length + 2, GFP_KERNEL);
+ kzalloc(length + 2, GFP_KERNEL);
cifs_strfromUCS_le(tcon->nativeFileSystem,
- (wchar_t *) bcc_ptr,
+ (__le16 *) bcc_ptr,
length, nls_codepage);
bcc_ptr += 2 * length;
bcc_ptr[0] = 0; /* null terminate the string */
if ((bcc_ptr + length) -
pByteArea(smb_buffer_response) <=
BCC(smb_buffer_response)) {
- if(tcon->nativeFileSystem)
- kfree(tcon->nativeFileSystem);
+ kfree(tcon->nativeFileSystem);
tcon->nativeFileSystem =
- cifs_kcalloc(length + 1, GFP_KERNEL);
+ kzalloc(length + 1, GFP_KERNEL);
strncpy(tcon->nativeFileSystem, bcc_ptr,
length);
}
return 0;
} else if (rc == -ESHUTDOWN) {
cFYI(1,("Waking up socket by sending it signal"));
- send_sig(SIGKILL,cifsd_task,1);
+ if(cifsd_task) {
+ send_sig(SIGKILL,cifsd_task,1);
+ wait_for_completion(&cifsd_complete);
+ }
rc = 0;
} /* else - we have an smb session
left on this socket do not kill cifsd */
}
cifs_sb->tcon = NULL;
- if (ses) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(HZ / 2);
- }
+ if (ses)
+ schedule_timeout_interruptible(msecs_to_jiffies(500));
if (ses)
sesInfoFree(ses);
int rc = 0;
char ntlm_session_key[CIFS_SESSION_KEY_SIZE];
int ntlmv2_flag = FALSE;
+ int first_time = 0;
/* what if server changes its buffer size after dropping the session? */
if(pSesInfo->server->maxBuf == 0) /* no need to send on reconnect */ {
spin_unlock(&GlobalMid_Lock);
}
+ first_time = 1;
}
if (!rc) {
pSesInfo->capabilities = pSesInfo->server->capabilities;
if(linuxExtEnabled == 0)
pSesInfo->capabilities &= (~CAP_UNIX);
- pSesInfo->sequence_number = 0;
+ /* pSesInfo->sequence_number = 0;*/
cFYI(1,("Security Mode: 0x%x Capabilities: 0x%x Time Zone: %d",
pSesInfo->server->secMode,
pSesInfo->server->capabilities,
pSesInfo->server->timeZone));
+#ifdef CONFIG_CIFS_EXPERIMENTAL
+ if(experimEnabled > 1)
+ rc = CIFS_SessSetup(xid, pSesInfo, CIFS_NTLM /* type */,
+ &ntlmv2_flag, nls_info);
+ else
+#endif
if (extended_security
&& (pSesInfo->capabilities & CAP_EXTENDED_SECURITY)
&& (pSesInfo->server->secType == NTLMSSP)) {
- cFYI(1, ("New style sesssetup "));
+ cFYI(1, ("New style sesssetup"));
rc = CIFSSpnegoSessSetup(xid, pSesInfo,
NULL /* security blob */,
0 /* blob length */,
} else if (extended_security
&& (pSesInfo->capabilities & CAP_EXTENDED_SECURITY)
&& (pSesInfo->server->secType == RawNTLMSSP)) {
- cFYI(1, ("NTLMSSP sesssetup "));
+ cFYI(1, ("NTLMSSP sesssetup"));
rc = CIFSNTLMSSPNegotiateSessSetup(xid,
pSesInfo,
&ntlmv2_flag,
if(ntlmv2_flag) {
char * v2_response;
cFYI(1,("Can use more secure NTLM version 2 password hash"));
- CalcNTLMv2_partial_mac_key(pSesInfo,
- nls_info);
- v2_response = kmalloc(16 + 64 /* blob */, GFP_KERNEL);
+ if(CalcNTLMv2_partial_mac_key(pSesInfo,
+ nls_info)) {
+ rc = -ENOMEM;
+ goto ss_err_exit;
+ } else
+ v2_response = kmalloc(16 + 64 /* blob */, GFP_KERNEL);
if(v2_response) {
CalcNTLMv2_response(pSesInfo,v2_response);
-/* cifs_calculate_ntlmv2_mac_key(pSesInfo->mac_signing_key, response, ntlm_session_key, */
+ /* if(first_time)
+ cifs_calculate_ntlmv2_mac_key(
+ pSesInfo->server->mac_signing_key,
+ response, ntlm_session_key, */
kfree(v2_response);
/* BB Put dummy sig in SessSetup PDU? */
- } else
+ } else {
rc = -ENOMEM;
+ goto ss_err_exit;
+ }
} else {
SMBNTencrypt(pSesInfo->password,
pSesInfo->server->cryptKey,
ntlm_session_key);
- cifs_calculate_mac_key(pSesInfo->mac_signing_key,
- ntlm_session_key,
- pSesInfo->password);
+ if(first_time)
+ cifs_calculate_mac_key(
+ pSesInfo->server->mac_signing_key,
+ ntlm_session_key,
+ pSesInfo->password);
}
/* for better security the weaker lanman hash not sent
in AuthSessSetup so we no longer calculate it */
pSesInfo->server->cryptKey,
ntlm_session_key);
- cifs_calculate_mac_key(pSesInfo->mac_signing_key,
- ntlm_session_key, pSesInfo->password);
+ if(first_time)
+ cifs_calculate_mac_key(
+ pSesInfo->server->mac_signing_key,
+ ntlm_session_key, pSesInfo->password);
+
rc = CIFSSessSetup(xid, pSesInfo,
ntlm_session_key, nls_info);
}
pSesInfo->status = CifsGood;
}
}
+ss_err_exit:
return rc;
}
git://git.onelab.eu / linux-2.6.git / blobdiff