/*
* fs/cifs/connect.c
*
- * Copyright (C) International Business Machines Corp., 2002,2005
+ * 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/utsname.h>
#include <linux/mempool.h>
#include <linux/delay.h>
+#include <linux/completion.h>
+#include <linux/pagevec.h>
+#include <linux/freezer.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
-extern void SMBencrypt(unsigned char *passwd, unsigned char *c8,
- unsigned char *p24);
+static DECLARE_COMPLETION(cifsd_complete);
+
extern void SMBNTencrypt(unsigned char *passwd, unsigned char *c8,
unsigned char *p24);
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;
mode_t dir_mode;
+ unsigned secFlg;
unsigned rw:1;
unsigned retry:1;
unsigned intr:1;
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 nullauth:1; /* attempt to authenticate with null user */
+ unsigned nocase; /* request case insensitive filenames */
+ unsigned nobrl; /* disable sending byte range locks to srv */
unsigned int rsize;
unsigned int wsize;
unsigned int sockopt;
unsigned short int port;
+ char * prepath;
};
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);
* wake up waiters on reconnection? - (not needed currently)
*/
-int
+static int
cifs_reconnect(struct TCP_Server_Info *server)
{
int rc = 0;
while ((server->tcpStatus != CifsExiting) && (server->tcpStatus != CifsGood))
{
+ try_to_freeze();
if(server->protocolType == IPV6) {
rc = ipv6_connect(&server->addr.sockAddr6,&server->ssocket);
} else {
rc = ipv4_connect(&server->addr.sockAddr,
&server->ssocket,
- server->workstation_RFC1001_name);
+ server->workstation_RFC1001_name,
+ server->server_RFC1001_name);
}
if(rc) {
+ cFYI(1,("reconnect error %d",rc));
msleep(3000);
} else {
atomic_inc(&tcpSesReconnectCount);
byte_count += total_in_buf2;
BCC_LE(pTargetSMB) = cpu_to_le16(byte_count);
- byte_count = be32_to_cpu(pTargetSMB->smb_buf_length);
+ 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 = cpu_to_be32(byte_count);
+ pTargetSMB->smb_buf_length = byte_count;
if(remaining == total_in_buf2) {
cFYI(1,("found the last secondary response"));
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;
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 (try_to_freeze())
+ continue;
if (bigbuf == NULL) {
bigbuf = cifs_buf_get();
- if(bigbuf == NULL) {
- cERROR(1,("No memory for large SMB response"));
+ if (!bigbuf) {
+ 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 */
+ } else if (isLargeBuf) {
+ /* we are reusing a dirty 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"));
+ if (!smallbuf) {
+ cERROR(1, ("No memory for SMB response"));
msleep(1000);
/* retry will check if exiting */
continue;
kernel_recvmsg(csocket, &smb_msg,
&iov, 1, 4, 0 /* BB see socket.h flags */);
- if(server->tcpStatus == CifsExiting) {
+ if (server->tcpStatus == CifsExiting) {
break;
} else if (server->tcpStatus == CifsNeedReconnect) {
- cFYI(1,("Reconnect after server stopped responding"));
+ cFYI(1, ("Reconnect after server stopped responding"));
cifs_reconnect(server);
- cFYI(1,("call to reconnect done"));
+ cFYI(1, ("call to reconnect done"));
csocket = server->ssocket;
continue;
} else if ((length == -ERESTARTSYS) || (length == -EAGAIN)) {
tcpStatus CifsNeedReconnect if server hung */
continue;
} else if (length <= 0) {
- if(server->tcpStatus == CifsNew) {
- cFYI(1,("tcp session abend after SMBnegprot"));
+ if (server->tcpStatus == CifsNew) {
+ 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) {
+ if (!try_to_freeze() && (length == -EINTR)) {
cFYI(1,("cifsd thread killed"));
break;
}
continue;
}
- /* the right amount was read from socket - 4 bytes */
+ /* 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);
- cFYI(1,("rfc1002 length(big endian)0x%x)", pdu_length+4));
+ smb_buffer->smb_buf_length = pdu_length;
- temp = (char *) smb_buffer;
- if (temp[0] == (char) RFC1002_SESSION_KEEP_ALIVE) {
+ cFYI(1,("rfc1002 length 0x%x)", pdu_length+4));
+
+ if (temp == (char) RFC1002_SESSION_KEEP_ALIVE) {
continue;
- } else if (temp[0] == (char)RFC1002_POSITIVE_SESSION_RESPONSE) {
+ } else if (temp == (char)RFC1002_POSITIVE_SESSION_RESPONSE) {
cFYI(1,("Good RFC 1002 session rsp"));
continue;
- } else if (temp[0] == (char)RFC1002_NEGATIVE_SESSION_RESPONSE) {
+ } 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)",
- temp[4]));
+ pdu_length));
if(server->tcpStatus == CifsNew) {
/* if nack on negprot (rather than
ret of smb negprot error) reconnecting
wake_up(&server->response_q);
continue;
}
- } else if (temp[0] != (char) 0) {
+ } else if (temp != (char) 0) {
cERROR(1,("Unknown RFC 1002 frame"));
- cifs_dump_mem(" Received Data: ", temp, length);
+ cifs_dump_mem(" Received Data: ", (char *)smb_buffer,
+ length);
cifs_reconnect(server);
csocket = server->ssocket;
continue;
/* else length ok */
reconnect = 0;
- if(pdu_length > MAX_CIFS_HDR_SIZE - 4) {
+ if(pdu_length > MAX_CIFS_SMALL_BUFFER_SIZE - 4) {
isLargeBuf = TRUE;
memcpy(bigbuf, smallbuf, 4);
smb_buffer = bigbuf;
dump_smb(smb_buffer, length);
- if (checkSMB (smb_buffer, smb_buffer->Mid, total_read+4)) {
- cERROR(1, ("Bad SMB Received "));
+ if (checkSMB(smb_buffer, smb_buffer->Mid, total_read+4)) {
+ cifs_dump_mem("Bad SMB: ", smb_buffer, 48);
continue;
}
/* merge response - fix up 1st*/
if(coalesce_t2(smb_buffer,
mid_entry->resp_buf)) {
+ mid_entry->multiRsp = 1;
break;
} else {
/* all parts received */
+ mid_entry->multiEnd = 1;
goto multi_t2_fnd;
}
} else {
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
+ /* so we do not time out requests to server
+ which is still responding (since server could
+ be busy but not dead) */
+ server->lstrp = jiffies;
break;
}
}
smallbuf = NULL;
}
wake_up_process(task_to_wake);
- } else if ((is_valid_oplock_break(smb_buffer) == FALSE)
+ } 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: ",temp,sizeof(struct smb_hdr));
+ cERROR(1, ("No task to wake, unknown frame rcvd! NumMids %d", midCount.counter));
+ cifs_dump_mem("Received Data is: ",(char *)smb_buffer,
+ sizeof(struct smb_hdr));
+#ifdef CONFIG_CIFS_DEBUG2
+ cifs_dump_detail(smb_buffer);
+ cifs_dump_mids(server);
+#endif /* CIFS_DEBUG2 */
+
}
} /* end while !EXITING */
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
GFP_KERNEL);
}
- msleep(250);
+ complete_and_exit(&cifsd_complete, 0);
return 0;
}
separator[0] = ',';
separator[1] = 0;
- memset(vol->source_rfc1001_name,0x20,15);
- for(i=0;i < strnlen(system_utsname.nodename,15);i++) {
- /* 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]);
+ if (Local_System_Name[0] != 0)
+ memcpy(vol->source_rfc1001_name, Local_System_Name,15);
+ else {
+ char *nodename = utsname()->nodename;
+ int n = strnlen(nodename,15);
+ memset(vol->source_rfc1001_name,0x20,15);
+ for(i=0 ; i < n ; i++) {
+ /* does not have to be perfect mapping since 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(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;
+ /* default is always to request posix paths. */
+ vol->posix_paths = 1;
if (!options)
return 1;
} else if (strnicmp(data, "nouser_xattr",12) == 0) {
vol->no_xattr = 1;
} else if (strnicmp(data, "user", 4) == 0) {
- if (!value || !*value) {
+ if (!value) {
printk(KERN_WARNING
"CIFS: invalid or missing username\n");
return 1; /* needs_arg; */
+ } else if(!*value) {
+ /* null user, ie anonymous, authentication */
+ vol->nullauth = 1;
}
if (strnlen(value, 200) < 200) {
vol->username = value;
/* 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 = kcalloc(1, temp_len, GFP_KERNEL);
+ vol->password = kzalloc(temp_len, GFP_KERNEL);
if(vol->password == NULL) {
printk("CIFS: no memory for pass\n");
return 1;
}
vol->password[j] = 0;
} else {
- vol->password = kcalloc(1, 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;
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->secFlg |= CIFSSEC_MAY_KRB5 |
+ CIFSSEC_MUST_SIGN;
+ } else if (strnicmp(value, "krb5p", 5) == 0) {
+ /* vol->secFlg |= CIFSSEC_MUST_SEAL |
+ CIFSSEC_MAY_KRB5; */
+ cERROR(1,("Krb5 cifs privacy not supported"));
+ return 1;
+ } else if (strnicmp(value, "krb5", 4) == 0) {
+ vol->secFlg |= CIFSSEC_MAY_KRB5;
+ } else if (strnicmp(value, "ntlmv2i", 7) == 0) {
+ vol->secFlg |= CIFSSEC_MAY_NTLMV2 |
+ CIFSSEC_MUST_SIGN;
+ } else if (strnicmp(value, "ntlmv2", 6) == 0) {
+ vol->secFlg |= CIFSSEC_MAY_NTLMV2;
+ } else if (strnicmp(value, "ntlmi", 5) == 0) {
+ vol->secFlg |= CIFSSEC_MAY_NTLM |
+ CIFSSEC_MUST_SIGN;
+ } else if (strnicmp(value, "ntlm", 4) == 0) {
+ /* ntlm is default so can be turned off too */
+ vol->secFlg |= CIFSSEC_MAY_NTLM;
+ } else if (strnicmp(value, "nontlm", 6) == 0) {
+ /* BB is there a better way to do this? */
+ vol->secFlg |= CIFSSEC_MAY_NTLMV2;
+#ifdef CONFIG_CIFS_WEAK_PW_HASH
+ } else if (strnicmp(value, "lanman", 6) == 0) {
+ vol->secFlg |= CIFSSEC_MAY_LANMAN;
+#endif
+ } 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)) {
}
/* BB are there cases in which a comma can be valid in
a domain name and need special handling? */
- if (strnlen(value, 65) < 65) {
+ if (strnlen(value, 256) < 256) {
vol->domainname = value;
cFYI(1, ("Domain name set"));
} else {
printk(KERN_WARNING "CIFS: domain name too long\n");
return 1;
}
+ } else if (strnicmp(data, "prefixpath", 10) == 0) {
+ if (!value || !*value) {
+ printk(KERN_WARNING
+ "CIFS: invalid path prefix\n");
+ return 1; /* needs_arg; */
+ }
+ if ((temp_len = strnlen(value, 1024)) < 1024) {
+ if(value[0] != '/')
+ temp_len++; /* missing leading slash */
+ vol->prepath = kmalloc(temp_len+1,GFP_KERNEL);
+ if(vol->prepath == NULL)
+ return 1;
+ if(value[0] != '/') {
+ vol->prepath[0] = '/';
+ strcpy(vol->prepath+1,value);
+ } else
+ strcpy(vol->prepath,value);
+ cFYI(1,("prefix path %s",vol->prepath));
+ } else {
+ printk(KERN_WARNING "CIFS: prefix too long\n");
+ return 1;
+ }
} else if (strnicmp(data, "iocharset", 9) == 0) {
if (!value || !*value) {
printk(KERN_WARNING "CIFS: invalid iocharset specified\n");
/* 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->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) {
vol->no_psx_acl = 1;
+ } else if (strnicmp(data, "sign",4) == 0) {
+ vol->secFlg |= CIFSSEC_MUST_SIGN;
+/* } else if (strnicmp(data, "seal",4) == 0) {
+ vol->secFlg |= CIFSSEC_MUST_SEAL; */
} else if (strnicmp(data, "direct",6) == 0) {
vol->direct_io = 1;
} else if (strnicmp(data, "forcedirectio",13) == 0) {
read_lock(&GlobalSMBSeslock);
list_for_each(tmp, &GlobalTreeConnectionList) {
- cFYI(1, ("Next tcon - "));
+ cFYI(1, ("Next tcon"));
tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList);
if (tcon->ses) {
if (tcon->ses->server) {
cFYI(1,
- (" old ip addr: %x == new ip %x ?",
+ ("old ip addr: %x == new ip %x ?",
tcon->ses->server->addr.sockAddr.sin_addr.
s_addr, new_target_ip_addr));
if (tcon->ses->server->addr.sockAddr.sin_addr.
s_addr == new_target_ip_addr) {
- /* BB lock tcon and server and tcp session and increment use count here? */
+ /* BB lock tcon, server and tcp session and increment use count here? */
/* found a match on the TCP session */
/* BB check if reconnection needed */
- cFYI(1,("Matched ip, old UNC: %s == new: %s ?",
+ cFYI(1,("IP match, old UNC: %s new: %s",
tcon->treeName, uncName));
if (strncmp
(tcon->treeName, uncName,
MAX_TREE_SIZE) == 0) {
cFYI(1,
- ("Matched UNC, old user: %s == new: %s ?",
+ ("and old usr: %s new: %s",
tcon->treeName, uncName));
if (strncmp
(tcon->ses->userName,
userName,
MAX_USERNAME_SIZE) == 0) {
read_unlock(&GlobalSMBSeslock);
- return tcon;/* also matched user (smb session)*/
+ /* matched smb session
+ (user name */
+ return tcon;
}
}
}
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;
}
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 = kcalloc(1, 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);
+ kfree(volume_info.prepath);
FreeXid(xid);
return -EINVAL;
}
/* BB fixme parse for domain name here */
cFYI(1, ("Username: %s ", volume_info.username));
+ } else if (volume_info.nullauth) {
+ cFYI(1,("null user"));
} 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);
+ kfree(volume_info.prepath);
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);
+ kfree(volume_info.prepath);
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);
+ kfree(volume_info.prepath);
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);
+ kfree(volume_info.prepath);
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);
+ kfree(volume_info.prepath);
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);
+ kfree(volume_info.prepath);
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);
+ kfree(volume_info.prepath);
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);
+ kfree(volume_info.prepath);
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);
+ kfree(volume_info.prepath);
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 (volume_info.username)
strncpy(pSesInfo->userName,
volume_info.username,MAX_USERNAME_SIZE);
- if (volume_info.domainname)
- strncpy(pSesInfo->domainName,
- volume_info.domainname,MAX_USERNAME_SIZE);
+ if (volume_info.domainname) {
+ int len = strlen(volume_info.domainname);
+ pSesInfo->domainName =
+ kmalloc(len + 1, GFP_KERNEL);
+ if(pSesInfo->domainName)
+ strcpy(pSesInfo->domainName,
+ volume_info.domainname);
+ }
pSesInfo->linux_uid = volume_info.linux_uid;
+ pSesInfo->overrideSecFlg = volume_info.secFlg;
down(&pSesInfo->sesSem);
+ /* BB FIXME need to pass vol->secFlgs BB */
rc = cifs_setup_session(xid,pSesInfo, cifs_sb->local_nls);
up(&pSesInfo->sesSem);
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 <= CIFSMaxBufSize))
+ 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 <= CIFSMaxBufSize))
+ 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 = CIFSMaxBufSize; /* 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"));
}
+ /* calculate prepath */
+ cifs_sb->prepath = volume_info.prepath;
+ if(cifs_sb->prepath) {
+ cifs_sb->prepathlen = strlen(cifs_sb->prepath);
+ cifs_sb->prepath[0] = CIFS_DIR_SEP(cifs_sb);
+ volume_info.prepath = NULL;
+ } else
+ cifs_sb->prepathlen = 0;
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_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)
"", cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- if(volume_info.UNC)
- kfree(volume_info.UNC);
+ 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 */
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 */
+ /* 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)) {
- 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;
+ __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));
+#ifdef CONFIG_CIFS_DEBUG2
+ if(cap & CIFS_UNIX_FCNTL_CAP)
+ cFYI(1,("FCNTL cap"));
+ if(cap & CIFS_UNIX_EXTATTR_CAP)
+ cFYI(1,("EXTATTR cap"));
+ if(cap & CIFS_UNIX_POSIX_PATHNAMES_CAP)
+ cFYI(1,("POSIX path cap"));
+ if(cap & CIFS_UNIX_XATTR_CAP)
+ cFYI(1,("XATTR cap"));
+ if(cap & CIFS_UNIX_POSIX_ACL_CAP)
+ cFYI(1,("POSIX ACL cap"));
+#endif /* CIFS_DEBUG2 */
+ 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);
+ kfree(volume_info.prepath);
FreeXid(xid);
return rc;
}
static int
CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
- char session_key[CIFS_SESSION_KEY_SIZE],
+ char session_key[CIFS_SESS_KEY_SIZE],
const struct nls_table *nls_codepage)
{
struct smb_hdr *smb_buffer;
__u32 capabilities;
__u16 count;
- cFYI(1, ("In sesssetup "));
+ cFYI(1, ("In sesssetup"));
if(ses == NULL)
return -EINVAL;
user = ses->userName;
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);
pSMB->req_no_secext.Capabilities = cpu_to_le32(capabilities);
pSMB->req_no_secext.CaseInsensitivePasswordLength =
- cpu_to_le16(CIFS_SESSION_KEY_SIZE);
+ cpu_to_le16(CIFS_SESS_KEY_SIZE);
pSMB->req_no_secext.CaseSensitivePasswordLength =
- cpu_to_le16(CIFS_SESSION_KEY_SIZE);
+ cpu_to_le16(CIFS_SESS_KEY_SIZE);
bcc_ptr = pByteArea(smb_buffer);
- memcpy(bcc_ptr, (char *) session_key, CIFS_SESSION_KEY_SIZE);
- bcc_ptr += CIFS_SESSION_KEY_SIZE;
- memcpy(bcc_ptr, (char *) session_key, CIFS_SESSION_KEY_SIZE);
- bcc_ptr += CIFS_SESSION_KEY_SIZE;
+ memcpy(bcc_ptr, (char *) session_key, CIFS_SESS_KEY_SIZE);
+ bcc_ptr += CIFS_SESS_KEY_SIZE;
+ memcpy(bcc_ptr, (char *) session_key, CIFS_SESS_KEY_SIZE);
+ bcc_ptr += CIFS_SESS_KEY_SIZE;
if (ses->capabilities & CAP_UNICODE) {
if ((long) bcc_ptr % 2) { /* must be word aligned for Unicode */
bcc_ptr++;
}
if(user == NULL)
- bytes_returned = 0; /* skill null user */
+ bytes_returned = 0; /* skip null user */
else
bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, user, 100,
+ cifs_strtoUCS((__le16 *) bcc_ptr, user, 100,
nls_codepage);
/* 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,
+ cifs_strtoUCS((__le16 *) bcc_ptr, 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;
}
strcpy(bcc_ptr, "Linux version ");
bcc_ptr += strlen("Linux version ");
- strcpy(bcc_ptr, system_utsname.release);
- bcc_ptr += strlen(system_utsname.release) + 1;
+ strcpy(bcc_ptr, utsname()->release);
+ bcc_ptr += strlen(utsname()->release) + 1;
strcpy(bcc_ptr, CIFS_NETWORK_OPSYS);
bcc_ptr += strlen(CIFS_NETWORK_OPSYS) + 1;
}
/* 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 = kcalloc(1, 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 = kcalloc(1, 2 * (len + 1),GFP_KERNEL);
+ 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 (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 =
- kcalloc(1, 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
+ else {
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
ses->serverDomain =
- kcalloc(1, 2, GFP_KERNEL);
+ 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 */
+ kfree(ses->serverDomain);
ses->serverDomain =
- kcalloc(1, 2, GFP_KERNEL);
+ kzalloc(2, GFP_KERNEL);
+ kfree(ses->serverNOS);
ses->serverNOS =
- kcalloc(1, 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 = kcalloc(1, len + 1,GFP_KERNEL);
+ 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 = strnlen(bcc_ptr, 1024);
- ses->serverNOS = kcalloc(1, len + 1,GFP_KERNEL);
+ 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 = strnlen(bcc_ptr, 1024);
- ses->serverDomain = kcalloc(1, 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);
return rc;
}
-static int
-CIFSSpnegoSessSetup(unsigned int xid, struct cifsSesInfo *ses,
- char *SecurityBlob,int SecurityBlobLength,
- const struct nls_table *nls_codepage)
-{
- struct smb_hdr *smb_buffer;
- struct smb_hdr *smb_buffer_response;
- SESSION_SETUP_ANDX *pSMB;
- SESSION_SETUP_ANDX *pSMBr;
- char *bcc_ptr;
- char *user;
- char *domain;
- int rc = 0;
- int remaining_words = 0;
- int bytes_returned = 0;
- int len;
- __u32 capabilities;
- __u16 count;
-
- cFYI(1, ("In spnego sesssetup "));
- if(ses == NULL)
- return -EINVAL;
- user = ses->userName;
- domain = ses->domainName;
-
- smb_buffer = cifs_buf_get();
- if (smb_buffer == NULL) {
- return -ENOMEM;
- }
- smb_buffer_response = smb_buffer;
- pSMBr = pSMB = (SESSION_SETUP_ANDX *) smb_buffer;
-
- /* send SMBsessionSetup here */
- header_assemble(smb_buffer, SMB_COM_SESSION_SETUP_ANDX,
- NULL /* no tCon exists yet */ , 12 /* wct */ );
- pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC;
- pSMB->req.AndXCommand = 0xFF;
- pSMB->req.MaxBufferSize = cpu_to_le16(ses->server->maxBuf);
- pSMB->req.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 |
- CAP_EXTENDED_SECURITY;
- if (ses->capabilities & CAP_UNICODE) {
- smb_buffer->Flags2 |= SMBFLG2_UNICODE;
- capabilities |= CAP_UNICODE;
- }
- if (ses->capabilities & CAP_STATUS32) {
- smb_buffer->Flags2 |= SMBFLG2_ERR_STATUS;
- capabilities |= CAP_STATUS32;
- }
- if (ses->capabilities & CAP_DFS) {
- smb_buffer->Flags2 |= SMBFLG2_DFS;
- capabilities |= CAP_DFS;
- }
- pSMB->req.Capabilities = cpu_to_le32(capabilities);
-
- pSMB->req.SecurityBlobLength = cpu_to_le16(SecurityBlobLength);
- bcc_ptr = pByteArea(smb_buffer);
- memcpy(bcc_ptr, SecurityBlob, SecurityBlobLength);
- bcc_ptr += SecurityBlobLength;
-
- if (ses->capabilities & CAP_UNICODE) {
- if ((long) bcc_ptr % 2) { /* must be word aligned for Unicode strings */
- *bcc_ptr = 0;
- bcc_ptr++;
- }
- bytes_returned =
- cifs_strtoUCS((wchar_t *) 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_LINUX_DOM", 32, nls_codepage);
- else
- bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, domain, 64,
- nls_codepage);
- bcc_ptr += 2 * bytes_returned;
- bcc_ptr += 2;
- bytes_returned =
- cifs_strtoUCS((wchar_t *) 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);
- bcc_ptr += 2 * bytes_returned;
- bcc_ptr += 2;
- bytes_returned =
- cifs_strtoUCS((wchar_t *) bcc_ptr, CIFS_NETWORK_OPSYS,
- 64, nls_codepage);
- bcc_ptr += 2 * bytes_returned;
- bcc_ptr += 2;
- } else {
- strncpy(bcc_ptr, user, 200);
- bcc_ptr += strnlen(user, 200);
- *bcc_ptr = 0;
- bcc_ptr++;
- if (domain == NULL) {
- strcpy(bcc_ptr, "CIFS_LINUX_DOM");
- bcc_ptr += strlen("CIFS_LINUX_DOM") + 1;
- } else {
- strncpy(bcc_ptr, domain, 64);
- bcc_ptr += strnlen(domain, 64);
- *bcc_ptr = 0;
- bcc_ptr++;
- }
- strcpy(bcc_ptr, "Linux version ");
- bcc_ptr += strlen("Linux version ");
- strcpy(bcc_ptr, system_utsname.release);
- bcc_ptr += strlen(system_utsname.release) + 1;
- strcpy(bcc_ptr, CIFS_NETWORK_OPSYS);
- bcc_ptr += strlen(CIFS_NETWORK_OPSYS) + 1;
- }
- count = (long) bcc_ptr - (long) pByteArea(smb_buffer);
- smb_buffer->smb_buf_length += count;
- pSMB->req.ByteCount = cpu_to_le16(count);
-
- rc = SendReceive(xid, ses, smb_buffer, smb_buffer_response,
- &bytes_returned, 1);
- if (rc) {
-/* rc = map_smb_to_linux_error(smb_buffer_response); *//* done in SendReceive now */
- } else if ((smb_buffer_response->WordCount == 3)
- || (smb_buffer_response->WordCount == 4)) {
- __u16 action = le16_to_cpu(pSMBr->resp.Action);
- __u16 blob_len =
- le16_to_cpu(pSMBr->resp.SecurityBlobLength);
- if (action & GUEST_LOGIN)
- cFYI(1, (" Guest login")); /* BB do we want to set anything in SesInfo struct ? */
- if (ses) {
- ses->Suid = smb_buffer_response->Uid; /* UID left in wire format (le) */
- cFYI(1, ("UID = %d ", ses->Suid));
- bcc_ptr = pByteArea(smb_buffer_response); /* response can have either 3 or 4 word count - Samba sends 3 */
-
- /* BB Fix below to make endian neutral !! */
-
- if ((pSMBr->resp.hdr.WordCount == 3)
- || ((pSMBr->resp.hdr.WordCount == 4)
- && (blob_len <
- pSMBr->resp.ByteCount))) {
- if (pSMBr->resp.hdr.WordCount == 4) {
- bcc_ptr +=
- blob_len;
- cFYI(1,
- ("Security Blob Length %d ",
- blob_len));
- }
-
- if (smb_buffer->Flags2 & SMBFLG2_UNICODE) {
- if ((long) (bcc_ptr) % 2) {
- remaining_words =
- (BCC(smb_buffer_response)
- - 1) / 2;
- bcc_ptr++; /* Unicode strings must be word aligned */
- } else {
- remaining_words =
- BCC
- (smb_buffer_response) / 2;
- }
- len =
- UniStrnlen((wchar_t *) bcc_ptr,
- remaining_words - 1);
-/* 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 =
- kcalloc(1, 2 * (len + 1), GFP_KERNEL);
- cifs_strfromUCS_le(ses->serverOS,
- (wchar_t *)
- bcc_ptr, len,
- nls_codepage);
- bcc_ptr += 2 * (len + 1);
- remaining_words -= len + 1;
- ses->serverOS[2 * len] = 0;
- ses->serverOS[1 + (2 * len)] = 0;
- if (remaining_words > 0) {
- len = UniStrnlen((wchar_t *)bcc_ptr,
- remaining_words
- - 1);
- ses->serverNOS =
- kcalloc(1, 2 * (len + 1),
- GFP_KERNEL);
- cifs_strfromUCS_le(ses->serverNOS,
- (wchar_t *)bcc_ptr,
- len,
- nls_codepage);
- bcc_ptr += 2 * (len + 1);
- ses->serverNOS[2 * len] = 0;
- ses->serverNOS[1 + (2 * len)] = 0;
- 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 = kcalloc(1, 2*(len+1),GFP_KERNEL);
- cifs_strfromUCS_le(ses->serverDomain,
- (wchar_t *)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 =
- kcalloc(1, 2,GFP_KERNEL);
- } else { /* no room so create dummy domain and NOS string */
- ses->serverDomain = kcalloc(1, 2, GFP_KERNEL);
- ses->serverNOS = kcalloc(1, 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 = kcalloc(1, len + 1, GFP_KERNEL);
- strncpy(ses->serverOS, bcc_ptr, len);
-
- bcc_ptr += len;
- bcc_ptr[0] = 0; /* null terminate the string */
- bcc_ptr++;
-
- len = strnlen(bcc_ptr, 1024);
- ses->serverNOS = kcalloc(1, 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 = kcalloc(1, len + 1, GFP_KERNEL);
- strncpy(ses->serverDomain, bcc_ptr, len);
- bcc_ptr += len;
- bcc_ptr[0] = 0;
- bcc_ptr++;
- } else
- cFYI(1,
- ("Variable field of length %d extends beyond end of smb ",
- len));
- }
- } else {
- cERROR(1,
- (" Security Blob Length extends beyond end of SMB"));
- }
- } else {
- cERROR(1, ("No session structure passed in."));
- }
- } else {
- cERROR(1,
- (" Invalid Word count %d: ",
- smb_buffer_response->WordCount));
- rc = -EIO;
- }
-
- if (smb_buffer)
- cifs_buf_release(smb_buffer);
-
- return rc;
-}
-
static int
CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
struct cifsSesInfo *ses, int * pNTLMv2_flag,
__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;
/* 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;
- if(ntlmv2_support)
- negotiate_flags |= NTLMSSP_NEGOTIATE_NTLMV2;
+/* if(ntlmv2_support)
+ negotiate_flags |= NTLMSSP_NEGOTIATE_NTLMV2;*/
/* setup pointers to domain name and workstation name */
bcc_ptr += SecurityBlobLength;
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, 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;
} else { /* ASCII */
strcpy(bcc_ptr, "Linux version ");
bcc_ptr += strlen("Linux version ");
- strcpy(bcc_ptr, system_utsname.release);
- bcc_ptr += strlen(system_utsname.release) + 1;
+ strcpy(bcc_ptr, utsname()->release);
+ bcc_ptr += strlen(utsname()->release) + 1;
strcpy(bcc_ptr, CIFS_NETWORK_OPSYS);
bcc_ptr += strlen(CIFS_NETWORK_OPSYS) + 1;
bcc_ptr++; /* empty domain field */
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 =
- kcalloc(1, 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);
+ kfree(ses->serverNOS);
ses->serverNOS =
- kcalloc(1, 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) */
+ kfree(ses->serverDomain);
ses->serverDomain =
- kcalloc(1, 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 {
+ kfree(ses->serverDomain);
ses->serverDomain =
- kcalloc(1, 2,
+ kzalloc(2,
GFP_KERNEL);
+ }
} else { /* no room so create dummy domain and NOS string */
+ kfree(ses->serverDomain);
ses->serverDomain =
- kcalloc(1, 2, GFP_KERNEL);
+ kzalloc(2, GFP_KERNEL);
+ kfree(ses->serverNOS);
ses->serverNOS =
- kcalloc(1, 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 =
- kcalloc(1, len + 1,
+ kzalloc(len + 1,
GFP_KERNEL);
strncpy(ses->serverOS,
bcc_ptr, len);
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
+ kfree(ses->serverNOS);
ses->serverNOS =
- kcalloc(1, len + 1,
+ kzalloc(len + 1,
GFP_KERNEL);
strncpy(ses->serverNOS, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
+ kfree(ses->serverDomain);
ses->serverDomain =
- kcalloc(1, 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;
}
/* 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->LmChallengeResponse.Buffer = 0;
SecurityBlob->NtChallengeResponse.Length =
- cpu_to_le16(CIFS_SESSION_KEY_SIZE);
+ cpu_to_le16(CIFS_SESS_KEY_SIZE);
SecurityBlob->NtChallengeResponse.MaximumLength =
- cpu_to_le16(CIFS_SESSION_KEY_SIZE);
- memcpy(bcc_ptr, ntlm_session_key, CIFS_SESSION_KEY_SIZE);
+ cpu_to_le16(CIFS_SESS_KEY_SIZE);
+ memcpy(bcc_ptr, ntlm_session_key, CIFS_SESS_KEY_SIZE);
SecurityBlob->NtChallengeResponse.Buffer =
cpu_to_le32(SecurityBlobLength);
- SecurityBlobLength += CIFS_SESSION_KEY_SIZE;
- bcc_ptr += CIFS_SESSION_KEY_SIZE;
+ SecurityBlobLength += CIFS_SESS_KEY_SIZE;
+ bcc_ptr += CIFS_SESS_KEY_SIZE;
if (ses->capabilities & CAP_UNICODE) {
if (domain == NULL) {
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, 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;
strcpy(bcc_ptr, "Linux version ");
bcc_ptr += strlen("Linux version ");
- strcpy(bcc_ptr, system_utsname.release);
- bcc_ptr += strlen(system_utsname.release) + 1;
+ strcpy(bcc_ptr, utsname()->release);
+ bcc_ptr += strlen(utsname()->release) + 1;
strcpy(bcc_ptr, CIFS_NETWORK_OPSYS);
bcc_ptr += strlen(CIFS_NETWORK_OPSYS) + 1;
bcc_ptr++; /* null domain */
/* 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 =
- kcalloc(1, 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);
+ kfree(ses->serverNOS);
ses->serverNOS =
- kcalloc(1, 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 =
- kcalloc(1, 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 = kcalloc(1, 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 = kcalloc(1, 2, GFP_KERNEL);
- ses->serverNOS = kcalloc(1, 2, GFP_KERNEL);
+ if(ses->serverDomain)
+ kfree(ses->serverDomain);
+ ses->serverDomain = kzalloc(2, GFP_KERNEL);
+ 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 = kcalloc(1, 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 = kcalloc(1, len+1,GFP_KERNEL);
+ 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 = kcalloc(1, 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;
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 = 0; /* password is null byte */
+ bcc_ptr++; /* skip password */
+ /* already aligned so no need to do it below */
+ } else {
+ pSMB->PasswordLength = cpu_to_le16(CIFS_SESS_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 by default) is accepted
+ by Samba (not sure whether other servers allow
+ NTLMv2 password here) */
+#ifdef CONFIG_CIFS_WEAK_PW_HASH
+ if((extended_security & CIFSSEC_MAY_LANMAN) &&
+ (ses->server->secType == LANMAN))
+ calc_lanman_hash(ses, bcc_ptr);
+ else
+#endif /* CIFS_WEAK_PW_HASH */
+ SMBNTencrypt(ses->password,
+ ses->server->cryptKey,
+ bcc_ptr);
+
+ bcc_ptr += CIFS_SESS_KEY_SIZE;
+ if(ses->capabilities & CAP_UNICODE) {
+ /* must align unicode strings */
+ *bcc_ptr = 0; /* null byte password */
+ bcc_ptr++;
+ }
+ }
- 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 =
- kcalloc(1, 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 =
- kcalloc(1, length + 1, GFP_KERNEL);
+ kzalloc(length + 1, GFP_KERNEL);
strncpy(tcon->nativeFileSystem, bcc_ptr,
length);
}
/* else do not bother copying these informational fields */
}
- tcon->Flags = le16_to_cpu(pSMBr->OptionalSupport);
+ if((smb_buffer_response->WordCount == 3) ||
+ (smb_buffer_response->WordCount == 7))
+ /* field is in same location */
+ tcon->Flags = le16_to_cpu(pSMBr->OptionalSupport);
+ else
+ tcon->Flags = 0;
cFYI(1, ("Tcon flags: 0x%x ", tcon->Flags));
} else if ((rc == 0) && tcon == NULL) {
/* all we need to save for IPC$ connection */
int xid;
struct cifsSesInfo *ses = NULL;
struct task_struct *cifsd_task;
+ char * tmp;
xid = GetXid();
return 0;
} else if (rc == -ESHUTDOWN) {
cFYI(1,("Waking up socket by sending it signal"));
- if(cifsd_task)
+ 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);
- }
+ tmp = cifs_sb->prepath;
+ cifs_sb->prepathlen = 0;
+ cifs_sb->prepath = NULL;
+ kfree(tmp);
+ if (ses)
+ schedule_timeout_interruptible(msecs_to_jiffies(500));
if (ses)
sesInfoFree(ses);
struct nls_table * nls_info)
{
int rc = 0;
- char ntlm_session_key[CIFS_SESSION_KEY_SIZE];
+ char ntlm_session_key[CIFS_SESS_KEY_SIZE];
int ntlmv2_flag = FALSE;
int first_time = 0;
first_time = 1;
}
if (!rc) {
+ pSesInfo->flags = 0;
pSesInfo->capabilities = pSesInfo->server->capabilities;
if(linuxExtEnabled == 0)
pSesInfo->capabilities &= (~CAP_UNIX);
/* pSesInfo->sequence_number = 0;*/
- cFYI(1,("Security Mode: 0x%x Capabilities: 0x%x Time Zone: %d",
+ cFYI(1,("Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d",
pSesInfo->server->secMode,
pSesInfo->server->capabilities,
- pSesInfo->server->timeZone));
- if (extended_security
- && (pSesInfo->capabilities & CAP_EXTENDED_SECURITY)
+ pSesInfo->server->timeAdj));
+ if(experimEnabled < 2)
+ rc = CIFS_SessSetup(xid, pSesInfo,
+ first_time, nls_info);
+ else if (extended_security
+ && (pSesInfo->capabilities
+ & CAP_EXTENDED_SECURITY)
&& (pSesInfo->server->secType == NTLMSSP)) {
- cFYI(1, ("New style sesssetup "));
- rc = CIFSSpnegoSessSetup(xid, pSesInfo,
- NULL /* security blob */,
- 0 /* blob length */,
- nls_info);
+ rc = -EOPNOTSUPP;
} 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 (!rc) {
if(ntlmv2_flag) {
char * v2_response;
- cFYI(1,("Can use more secure NTLM version 2 password hash"));
+ cFYI(1,("more secure NTLM ver2 hash"));
if(CalcNTLMv2_partial_mac_key(pSesInfo,
nls_info)) {
rc = -ENOMEM;
git://git.onelab.eu / linux-2.6.git / blobdiff