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-rw-r--r--fs/cifs/CHANGES16
-rw-r--r--fs/cifs/Kconfig1
-rw-r--r--fs/cifs/README25
-rw-r--r--fs/cifs/asn1.c55
-rw-r--r--fs/cifs/cifs_debug.c8
-rw-r--r--fs/cifs/cifs_dfs_ref.c16
-rw-r--r--fs/cifs/cifs_spnego.c11
-rw-r--r--fs/cifs/cifs_unicode.c2
-rw-r--r--fs/cifs/cifsacl.c30
-rw-r--r--fs/cifs/cifsencrypt.c1
-rw-r--r--fs/cifs/cifsfs.c264
-rw-r--r--fs/cifs/cifsfs.h17
-rw-r--r--fs/cifs/cifsglob.h62
-rw-r--r--fs/cifs/cifspdu.h14
-rw-r--r--fs/cifs/cifsproto.h34
-rw-r--r--fs/cifs/cifssmb.c469
-rw-r--r--fs/cifs/connect.c145
-rw-r--r--fs/cifs/dir.c116
-rw-r--r--fs/cifs/dns_resolve.c25
-rw-r--r--fs/cifs/file.c214
-rw-r--r--fs/cifs/inode.c837
-rw-r--r--fs/cifs/link.c3
-rw-r--r--fs/cifs/misc.c34
-rw-r--r--fs/cifs/netmisc.c56
-rw-r--r--fs/cifs/readdir.c505
-rw-r--r--fs/cifs/sess.c2
-rw-r--r--fs/cifs/transport.c51
-rw-r--r--fs/cifs/xattr.c12
28 files changed, 1391 insertions, 1634 deletions
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index b4868983942..145540a316a 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -1,3 +1,13 @@
+Version 1.60
+-------------
+Fix memory leak in reconnect. Fix oops in DFS mount error path.
+Set s_maxbytes to smaller (the max that vfs can handle) so that
+sendfile will now work over cifs mounts again. Add noforcegid
+and noforceuid mount parameters. Fix small mem leak when using
+ntlmv2. Fix 2nd mount to same server but with different port to
+be allowed (rather than reusing the 1st port) - only when the
+user explicitly overrides the port on the 2nd mount.
+
Version 1.59
------------
Client uses server inode numbers (which are persistent) rather than
@@ -5,7 +15,11 @@ client generated ones by default (mount option "serverino" turned
on by default if server supports it). Add forceuid and forcegid
mount options (so that when negotiating unix extensions specifying
which uid mounted does not immediately force the server's reported
-uids to be overridden).
+uids to be overridden). Add support for scope mount parm. Improve
+hard link detection to use same inode for both. Do not set
+read-only dos attribute on directories (for chmod) since Windows
+explorer special cases this attribute bit for directories for
+a different purpose.
Version 1.58
------------
diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig
index 6994a0f54f0..80f35259680 100644
--- a/fs/cifs/Kconfig
+++ b/fs/cifs/Kconfig
@@ -2,6 +2,7 @@ config CIFS
tristate "CIFS support (advanced network filesystem, SMBFS successor)"
depends on INET
select NLS
+ select SLOW_WORK
help
This is the client VFS module for the Common Internet File System
(CIFS) protocol which is the successor to the Server Message Block
diff --git a/fs/cifs/README b/fs/cifs/README
index ad92921dbde..79c1a93400b 100644
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -262,11 +262,11 @@ A partial list of the supported mount options follows:
mount.
domain Set the SMB/CIFS workgroup name prepended to the
username during CIFS session establishment
- forceuid Set the default uid for inodes based on the uid
- passed in. For mounts to servers
+ forceuid Set the default uid for inodes to the uid
+ passed in on mount. For mounts to servers
which do support the CIFS Unix extensions, such as a
properly configured Samba server, the server provides
- the uid, gid and mode so this parameter should not be
+ the uid, gid and mode so this parameter should not be
specified unless the server and clients uid and gid
numbering differ. If the server and client are in the
same domain (e.g. running winbind or nss_ldap) and
@@ -278,11 +278,7 @@ A partial list of the supported mount options follows:
of existing files will be the uid (gid) of the person
who executed the mount (root, except when mount.cifs
is configured setuid for user mounts) unless the "uid="
- (gid) mount option is specified. For the uid (gid) of newly
- created files and directories, ie files created since
- the last mount of the server share, the expected uid
- (gid) is cached as long as the inode remains in
- memory on the client. Also note that permission
+ (gid) mount option is specified. Also note that permission
checks (authorization checks) on accesses to a file occur
at the server, but there are cases in which an administrator
may want to restrict at the client as well. For those
@@ -290,12 +286,15 @@ A partial list of the supported mount options follows:
(such as Windows), permissions can also be checked at the
client, and a crude form of client side permission checking
can be enabled by specifying file_mode and dir_mode on
- the client. Note that the mount.cifs helper must be
- at version 1.10 or higher to support specifying the uid
- (or gid) in non-numeric form.
- forcegid (similar to above but for the groupid instead of uid)
+ the client. (default)
+ forcegid (similar to above but for the groupid instead of uid) (default)
+ noforceuid Fill in file owner information (uid) by requesting it from
+ the server if possible. With this option, the value given in
+ the uid= option (on mount) will only be used if the server
+ can not support returning uids on inodes.
+ noforcegid (similar to above but for the group owner, gid, instead of uid)
uid Set the default uid for inodes, and indicate to the
- cifs kernel driver which local user mounted . If the server
+ cifs kernel driver which local user mounted. If the server
supports the unix extensions the default uid is
not used to fill in the owner fields of inodes (files)
unless the "forceuid" parameter is specified.
diff --git a/fs/cifs/asn1.c b/fs/cifs/asn1.c
index 1b09f167006..20692fbfdb2 100644
--- a/fs/cifs/asn1.c
+++ b/fs/cifs/asn1.c
@@ -49,6 +49,7 @@
#define ASN1_OJI 6 /* Object Identifier */
#define ASN1_OJD 7 /* Object Description */
#define ASN1_EXT 8 /* External */
+#define ASN1_ENUM 10 /* Enumerated */
#define ASN1_SEQ 16 /* Sequence */
#define ASN1_SET 17 /* Set */
#define ASN1_NUMSTR 18 /* Numerical String */
@@ -78,10 +79,12 @@
#define SPNEGO_OID_LEN 7
#define NTLMSSP_OID_LEN 10
#define KRB5_OID_LEN 7
+#define KRB5U2U_OID_LEN 8
#define MSKRB5_OID_LEN 7
static unsigned long SPNEGO_OID[7] = { 1, 3, 6, 1, 5, 5, 2 };
static unsigned long NTLMSSP_OID[10] = { 1, 3, 6, 1, 4, 1, 311, 2, 2, 10 };
static unsigned long KRB5_OID[7] = { 1, 2, 840, 113554, 1, 2, 2 };
+static unsigned long KRB5U2U_OID[8] = { 1, 2, 840, 113554, 1, 2, 2, 3 };
static unsigned long MSKRB5_OID[7] = { 1, 2, 840, 48018, 1, 2, 2 };
/*
@@ -122,6 +125,28 @@ asn1_octet_decode(struct asn1_ctx *ctx, unsigned char *ch)
return 1;
}
+#if 0 /* will be needed later by spnego decoding/encoding of ntlmssp */
+static unsigned char
+asn1_enum_decode(struct asn1_ctx *ctx, __le32 *val)
+{
+ unsigned char ch;
+
+ if (ctx->pointer >= ctx->end) {
+ ctx->error = ASN1_ERR_DEC_EMPTY;
+ return 0;
+ }
+
+ ch = *(ctx->pointer)++; /* ch has 0xa, ptr points to lenght octet */
+ if ((ch) == ASN1_ENUM) /* if ch value is ENUM, 0xa */
+ *val = *(++(ctx->pointer)); /* value has enum value */
+ else
+ return 0;
+
+ ctx->pointer++;
+ return 1;
+}
+#endif
+
static unsigned char
asn1_tag_decode(struct asn1_ctx *ctx, unsigned int *tag)
{
@@ -476,10 +501,9 @@ decode_negTokenInit(unsigned char *security_blob, int length,
unsigned int cls, con, tag, oidlen, rc;
bool use_ntlmssp = false;
bool use_kerberos = false;
+ bool use_kerberosu2u = false;
bool use_mskerberos = false;
- *secType = NTLM; /* BB eventually make Kerberos or NLTMSSP the default*/
-
/* cifs_dump_mem(" Received SecBlob ", security_blob, length); */
asn1_open(&ctx, security_blob, length);
@@ -515,6 +539,7 @@ decode_negTokenInit(unsigned char *security_blob, int length,
return 0;
}
+ /* SPNEGO */
if (asn1_header_decode(&ctx, &end, &cls, &con, &tag) == 0) {
cFYI(1, ("Error decoding negTokenInit"));
return 0;
@@ -526,6 +551,7 @@ decode_negTokenInit(unsigned char *security_blob, int length,
return 0;
}
+ /* negTokenInit */
if (asn1_header_decode(&ctx, &end, &cls, &con, &tag) == 0) {
cFYI(1, ("Error decoding negTokenInit"));
return 0;
@@ -537,6 +563,7 @@ decode_negTokenInit(unsigned char *security_blob, int length,
return 0;
}
+ /* sequence */
if (asn1_header_decode(&ctx, &end, &cls, &con, &tag) == 0) {
cFYI(1, ("Error decoding 2nd part of negTokenInit"));
return 0;
@@ -548,6 +575,7 @@ decode_negTokenInit(unsigned char *security_blob, int length,
return 0;
}
+ /* sequence of */
if (asn1_header_decode
(&ctx, &sequence_end, &cls, &con, &tag) == 0) {
cFYI(1, ("Error decoding 2nd part of negTokenInit"));
@@ -560,6 +588,7 @@ decode_negTokenInit(unsigned char *security_blob, int length,
return 0;
}
+ /* list of security mechanisms */
while (!asn1_eoc_decode(&ctx, sequence_end)) {
rc = asn1_header_decode(&ctx, &end, &cls, &con, &tag);
if (!rc) {
@@ -576,11 +605,15 @@ decode_negTokenInit(unsigned char *security_blob, int length,
if (compare_oid(oid, oidlen, MSKRB5_OID,
MSKRB5_OID_LEN) &&
- !use_kerberos)
+ !use_mskerberos)
use_mskerberos = true;
+ else if (compare_oid(oid, oidlen, KRB5U2U_OID,
+ KRB5U2U_OID_LEN) &&
+ !use_kerberosu2u)
+ use_kerberosu2u = true;
else if (compare_oid(oid, oidlen, KRB5_OID,
KRB5_OID_LEN) &&
- !use_mskerberos)
+ !use_kerberos)
use_kerberos = true;
else if (compare_oid(oid, oidlen, NTLMSSP_OID,
NTLMSSP_OID_LEN))
@@ -593,7 +626,12 @@ decode_negTokenInit(unsigned char *security_blob, int length,
}
}
+ /* mechlistMIC */
if (asn1_header_decode(&ctx, &end, &cls, &con, &tag) == 0) {
+ /* Check if we have reached the end of the blob, but with
+ no mechListMic (e.g. NTLMSSP instead of KRB5) */
+ if (ctx.error == ASN1_ERR_DEC_EMPTY)
+ goto decode_negtoken_exit;
cFYI(1, ("Error decoding last part negTokenInit exit3"));
return 0;
} else if ((cls != ASN1_CTX) || (con != ASN1_CON)) {
@@ -602,6 +640,8 @@ decode_negTokenInit(unsigned char *security_blob, int length,
cls, con, tag, end, *end));
return 0;
}
+
+ /* sequence */
if (asn1_header_decode(&ctx, &end, &cls, &con, &tag) == 0) {
cFYI(1, ("Error decoding last part negTokenInit exit5"));
return 0;
@@ -611,6 +651,7 @@ decode_negTokenInit(unsigned char *security_blob, int length,
cls, con, tag, end, *end));
}
+ /* sequence of */
if (asn1_header_decode(&ctx, &end, &cls, &con, &tag) == 0) {
cFYI(1, ("Error decoding last part negTokenInit exit 7"));
return 0;
@@ -619,6 +660,8 @@ decode_negTokenInit(unsigned char *security_blob, int length,
cls, con, tag, end, *end));
return 0;
}
+
+ /* general string */
if (asn1_header_decode(&ctx, &end, &cls, &con, &tag) == 0) {
cFYI(1, ("Error decoding last part negTokenInit exit9"));
return 0;
@@ -630,13 +673,13 @@ decode_negTokenInit(unsigned char *security_blob, int length,
}
cFYI(1, ("Need to call asn1_octets_decode() function for %s",
ctx.pointer)); /* is this UTF-8 or ASCII? */
-
+decode_negtoken_exit:
if (use_kerberos)
*secType = Kerberos;
else if (use_mskerberos)
*secType = MSKerberos;
else if (use_ntlmssp)
- *secType = NTLMSSP;
+ *secType = RawNTLMSSP;
return 1;
}
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 7f19fefd3d4..42cec2a7c0c 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -261,6 +261,8 @@ static ssize_t cifs_stats_proc_write(struct file *file,
atomic_set(&tcon->num_reads, 0);
atomic_set(&tcon->num_oplock_brks, 0);
atomic_set(&tcon->num_opens, 0);
+ atomic_set(&tcon->num_posixopens, 0);
+ atomic_set(&tcon->num_posixmkdirs, 0);
atomic_set(&tcon->num_closes, 0);
atomic_set(&tcon->num_deletes, 0);
atomic_set(&tcon->num_mkdirs, 0);
@@ -347,11 +349,15 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v)
atomic_read(&tcon->num_locks),
atomic_read(&tcon->num_hardlinks),
atomic_read(&tcon->num_symlinks));
- seq_printf(m, "\nOpens: %d Closes: %d"
+ seq_printf(m, "\nOpens: %d Closes: %d "
"Deletes: %d",
atomic_read(&tcon->num_opens),
atomic_read(&tcon->num_closes),
atomic_read(&tcon->num_deletes));
+ seq_printf(m, "\nPosix Opens: %d "
+ "Posix Mkdirs: %d",
+ atomic_read(&tcon->num_posixopens),
+ atomic_read(&tcon->num_posixmkdirs));
seq_printf(m, "\nMkdirs: %d Rmdirs: %d",
atomic_read(&tcon->num_mkdirs),
atomic_read(&tcon->num_rmdirs));
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 3bb11be8b6a..fea9e898c4b 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -55,7 +55,7 @@ void cifs_dfs_release_automount_timer(void)
* i.e. strips from UNC trailing path that is not part of share
* name and fixup missing '\' in the begining of DFS node refferal
* if neccessary.
- * Returns pointer to share name on success or NULL on error.
+ * Returns pointer to share name on success or ERR_PTR on error.
* Caller is responsible for freeing returned string.
*/
static char *cifs_get_share_name(const char *node_name)
@@ -68,7 +68,7 @@ static char *cifs_get_share_name(const char *node_name)
UNC = kmalloc(len+2 /*for term null and additional \ if it's missed */,
GFP_KERNEL);
if (!UNC)
- return NULL;
+ return ERR_PTR(-ENOMEM);
/* get share name and server name */
if (node_name[1] != '\\') {
@@ -87,7 +87,7 @@ static char *cifs_get_share_name(const char *node_name)
cERROR(1, ("%s: no server name end in node name: %s",
__func__, node_name));
kfree(UNC);
- return NULL;
+ return ERR_PTR(-EINVAL);
}
/* find sharename end */
@@ -133,10 +133,16 @@ char *cifs_compose_mount_options(const char *sb_mountdata,
return ERR_PTR(-EINVAL);
*devname = cifs_get_share_name(ref->node_name);
+ if (IS_ERR(*devname)) {
+ rc = PTR_ERR(*devname);
+ *devname = NULL;
+ goto compose_mount_options_err;
+ }
+
rc = dns_resolve_server_name_to_ip(*devname, &srvIP);
if (rc != 0) {
cERROR(1, ("%s: Failed to resolve server part of %s to IP: %d",
- __func__, *devname, rc));;
+ __func__, *devname, rc));
goto compose_mount_options_err;
}
/* md_len = strlen(...) + 12 for 'sep+prefixpath='
@@ -379,7 +385,7 @@ out_err:
goto out;
}
-struct inode_operations cifs_dfs_referral_inode_operations = {
+const struct inode_operations cifs_dfs_referral_inode_operations = {
.follow_link = cifs_dfs_follow_mountpoint,
};
diff --git a/fs/cifs/cifs_spnego.c b/fs/cifs/cifs_spnego.c
index 4a4581cb2b5..8ec7736ce95 100644
--- a/fs/cifs/cifs_spnego.c
+++ b/fs/cifs/cifs_spnego.c
@@ -86,6 +86,9 @@ struct key_type cifs_spnego_key_type = {
/* strlen of ";user=" */
#define USER_KEY_LEN 6
+/* strlen of ";pid=0x" */
+#define PID_KEY_LEN 7
+
/* get a key struct with a SPNEGO security blob, suitable for session setup */
struct key *
cifs_get_spnego_key(struct cifsSesInfo *sesInfo)
@@ -103,7 +106,8 @@ cifs_get_spnego_key(struct cifsSesInfo *sesInfo)
IP_KEY_LEN + INET6_ADDRSTRLEN +
MAX_MECH_STR_LEN +
UID_KEY_LEN + (sizeof(uid_t) * 2) +
- USER_KEY_LEN + strlen(sesInfo->userName) + 1;
+ USER_KEY_LEN + strlen(sesInfo->userName) +
+ PID_KEY_LEN + (sizeof(pid_t) * 2) + 1;
spnego_key = ERR_PTR(-ENOMEM);
description = kzalloc(desc_len, GFP_KERNEL);
@@ -121,7 +125,7 @@ cifs_get_spnego_key(struct cifsSesInfo *sesInfo)
if (server->addr.sockAddr.sin_family == AF_INET)
sprintf(dp, "ip4=%pI4", &server->addr.sockAddr.sin_addr);
else if (server->addr.sockAddr.sin_family == AF_INET6)
- sprintf(dp, "ip6=%pi6", &server->addr.sockAddr6.sin6_addr);
+ sprintf(dp, "ip6=%pI6", &server->addr.sockAddr6.sin6_addr);
else
goto out;
@@ -141,6 +145,9 @@ cifs_get_spnego_key(struct cifsSesInfo *sesInfo)
dp = description + strlen(description);
sprintf(dp, ";user=%s", sesInfo->userName);
+ dp = description + strlen(description);
+ sprintf(dp, ";pid=0x%x", current->pid);
+
cFYI(1, ("key description = %s", description));
spnego_key = request_key(&cifs_spnego_key_type, description, "");
diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c
index 60e3c4253de..714a542cbaf 100644
--- a/fs/cifs/cifs_unicode.c
+++ b/fs/cifs/cifs_unicode.c
@@ -44,7 +44,7 @@ cifs_ucs2_bytes(const __le16 *from, int maxbytes,
int maxwords = maxbytes / 2;
char tmp[NLS_MAX_CHARSET_SIZE];
- for (i = 0; from[i] && i < maxwords; i++) {
+ for (i = 0; i < maxwords && from[i]; i++) {
charlen = codepage->uni2char(le16_to_cpu(from[i]), tmp,
NLS_MAX_CHARSET_SIZE);
if (charlen > 0)
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 1403b5d86a7..7dfe0842a6f 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -327,7 +327,7 @@ static void dump_ace(struct cifs_ace *pace, char *end_of_acl)
static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
struct cifs_sid *pownersid, struct cifs_sid *pgrpsid,
- struct inode *inode)
+ struct cifs_fattr *fattr)
{
int i;
int num_aces = 0;
@@ -340,7 +340,7 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
if (!pdacl) {
/* no DACL in the security descriptor, set
all the permissions for user/group/other */
- inode->i_mode |= S_IRWXUGO;
+ fattr->cf_mode |= S_IRWXUGO;
return;
}
@@ -357,7 +357,7 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
/* reset rwx permissions for user/group/other.
Also, if num_aces is 0 i.e. DACL has no ACEs,
user/group/other have no permissions */
- inode->i_mode &= ~(S_IRWXUGO);
+ fattr->cf_mode &= ~(S_IRWXUGO);
acl_base = (char *)pdacl;
acl_size = sizeof(struct cifs_acl);
@@ -379,17 +379,17 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
if (compare_sids(&(ppace[i]->sid), pownersid))
access_flags_to_mode(ppace[i]->access_req,
ppace[i]->type,
- &(inode->i_mode),
+ &fattr->cf_mode,
&user_mask);
if (compare_sids(&(ppace[i]->sid), pgrpsid))
access_flags_to_mode(ppace[i]->access_req,
ppace[i]->type,
- &(inode->i_mode),
+ &fattr->cf_mode,
&group_mask);
if (compare_sids(&(ppace[i]->sid), &sid_everyone))
access_flags_to_mode(ppace[i]->access_req,
ppace[i]->type,
- &(inode->i_mode),
+ &fattr->cf_mode,
&other_mask);
/* memcpy((void *)(&(cifscred->aces[i])),
@@ -464,7 +464,7 @@ static int parse_sid(struct cifs_sid *psid, char *end_of_acl)
/* Convert CIFS ACL to POSIX form */
static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len,
- struct inode *inode)
+ struct cifs_fattr *fattr)
{
int rc;
struct cifs_sid *owner_sid_ptr, *group_sid_ptr;
@@ -472,7 +472,7 @@ static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len,
char *end_of_acl = ((char *)pntsd) + acl_len;
__u32 dacloffset;
- if ((inode == NULL) || (pntsd == NULL))
+ if (pntsd == NULL)
return -EIO;
owner_sid_ptr = (struct cifs_sid *)((char *)pntsd +
@@ -497,7 +497,7 @@ static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len,
if (dacloffset)
parse_dacl(dacl_ptr, end_of_acl, owner_sid_ptr,
- group_sid_ptr, inode);
+ group_sid_ptr, fattr);
else
cFYI(1, ("no ACL")); /* BB grant all or default perms? */
@@ -508,7 +508,6 @@ static int parse_sec_desc(struct cifs_ntsd *pntsd, int acl_len,
memcpy((void *)(&(cifscred->gsid)), (void *)group_sid_ptr,
sizeof(struct cifs_sid)); */
-
return 0;
}
@@ -608,7 +607,7 @@ static struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *cifs_sb,
return get_cifs_acl_by_path(cifs_sb, path, pacllen);
pntsd = get_cifs_acl_by_fid(cifs_sb, open_file->netfid, pacllen);
- atomic_dec(&open_file->wrtPending);
+ cifsFileInfo_put(open_file);
return pntsd;
}
@@ -666,13 +665,14 @@ static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
return set_cifs_acl_by_path(cifs_sb, path, pnntsd, acllen);
rc = set_cifs_acl_by_fid(cifs_sb, open_file->netfid, pnntsd, acllen);
- atomic_dec(&open_file->wrtPending);
+ cifsFileInfo_put(open_file);
return rc;
}
/* Translate the CIFS ACL (simlar to NTFS ACL) for a file into mode bits */
-void acl_to_uid_mode(struct cifs_sb_info *cifs_sb, struct inode *inode,
- const char *path, const __u16 *pfid)
+void
+cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, struct cifs_fattr *fattr,
+ struct inode *inode, const char *path, const __u16 *pfid)
{
struct cifs_ntsd *pntsd = NULL;
u32 acllen = 0;
@@ -687,7 +687,7 @@ void acl_to_uid_mode(struct cifs_sb_info *cifs_sb, struct inode *inode,
/* if we can retrieve the ACL, now parse Access Control Entries, ACEs */
if (pntsd)
- rc = parse_sec_desc(pntsd, acllen, inode);
+ rc = parse_sec_desc(pntsd, acllen, fattr);
if (rc)
cFYI(1, ("parse sec desc failed rc = %d", rc));
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 7c9809523f4..7efe1745494 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -373,6 +373,7 @@ calc_exit_2:
compare with the NTLM example */
hmac_md5_final(ses->server->ntlmv2_hash, pctxt);
+ kfree(pctxt);
return rc;
}
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 0d92114195a..9a5e4f5f312 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -50,7 +50,7 @@
#define CIFS_MAGIC_NUMBER 0xFF534D42 /* the first four bytes of SMB PDUs */
#ifdef CONFIG_CIFS_QUOTA
-static struct quotactl_ops cifs_quotactl_ops;
+static const struct quotactl_ops cifs_quotactl_ops;
#endif /* QUOTA */
int cifsFYI = 0;
@@ -64,9 +64,6 @@ unsigned int multiuser_mount = 0;
unsigned int extended_security = CIFSSEC_DEF;
/* unsigned int ntlmv2_support = 0; */
unsigned int sign_CIFS_PDUs = 1;
-extern struct task_struct *oplockThread; /* remove sparse warning */
-struct task_struct *oplockThread = NULL;
-/* extern struct task_struct * dnotifyThread; remove sparse warning */
static const struct super_operations cifs_super_ops;
unsigned int CIFSMaxBufSize = CIFS_MAX_MSGSIZE;
module_param(CIFSMaxBufSize, int, 0);
@@ -185,8 +182,7 @@ out_mount_failed:
cifs_sb->mountdata = NULL;
}
#endif
- if (cifs_sb->local_nls)
- unload_nls(cifs_sb->local_nls);
+ unload_nls(cifs_sb->local_nls);
kfree(cifs_sb);
}
return rc;
@@ -308,7 +304,6 @@ cifs_alloc_inode(struct super_block *sb)
if (!cifs_inode)
return NULL;
cifs_inode->cifsAttrs = 0x20; /* default */
- atomic_set(&cifs_inode->inUse, 0);
cifs_inode->time = 0;
cifs_inode->write_behind_rc = 0;
/* Until the file is open and we have gotten oplock
@@ -333,6 +328,27 @@ cifs_destroy_inode(struct inode *inode)
kmem_cache_free(cifs_inode_cachep, CIFS_I(inode));
}
+static void
+cifs_show_address(struct seq_file *s, struct TCP_Server_Info *server)
+{
+ seq_printf(s, ",addr=");
+
+ switch (server->addr.sockAddr.sin_family) {
+ case AF_INET:
+ seq_printf(s, "%pI4", &server->addr.sockAddr.sin_addr.s_addr);
+ break;
+ case AF_INET6:
+ seq_printf(s, "%pI6",
+ &server->addr.sockAddr6.sin6_addr.s6_addr);
+ if (server->addr.sockAddr6.sin6_scope_id)
+ seq_printf(s, "%%%u",
+ server->addr.sockAddr6.sin6_scope_id);
+ break;
+ default:
+ seq_printf(s, "(unknown)");
+ }
+}
+
/*
* cifs_show_options() is for displaying mount options in /proc/mounts.
* Not all settable options are displayed but most of the important
@@ -341,85 +357,67 @@ cifs_destroy_inode(struct inode *inode)
static int
cifs_show_options(struct seq_file *s, struct vfsmount *m)
{
- struct cifs_sb_info *cifs_sb;
- struct cifsTconInfo *tcon;
- struct TCP_Server_Info *server;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(m->mnt_sb);
+ struct cifsTconInfo *tcon = cifs_sb->tcon;
- cifs_sb = CIFS_SB(m->mnt_sb);
+ seq_printf(s, ",unc=%s", tcon->treeName);
+ if (tcon->ses->userName)
+ seq_printf(s, ",username=%s", tcon->ses->userName);
+ if (tcon->ses->domainName)
+ seq_printf(s, ",domain=%s", tcon->ses->domainName);
- if (cifs_sb) {
- tcon = cifs_sb->tcon;
- if (tcon) {
- seq_printf(s, ",unc=%s", cifs_sb->tcon->treeName);
- if (tcon->ses) {
- if (tcon->ses->userName)
- seq_printf(s, ",username=%s",
- tcon->ses->userName);
- if (tcon->ses->domainName)
- seq_printf(s, ",domain=%s",
- tcon->ses->domainName);
- server = tcon->ses->server;
- if (server) {
- seq_printf(s, ",addr=");
- switch (server->addr.sockAddr6.
- sin6_family) {
- case AF_INET6:
- seq_printf(s, "%pI6",
- &server->addr.sockAddr6.sin6_addr);
- break;
- case AF_INET:
- seq_printf(s, "%pI4",
- &server->addr.sockAddr.sin_addr.s_addr);
- break;
- }
- }
- }
- if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID) ||
- !(tcon->unix_ext))
- seq_printf(s, ",uid=%d", cifs_sb->mnt_uid);
- if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID) ||
- !(tcon->unix_ext))
- seq_printf(s, ",gid=%d", cifs_sb->mnt_gid);
- if (!tcon->unix_ext) {
- seq_printf(s, ",file_mode=0%o,dir_mode=0%o",
+ seq_printf(s, ",uid=%d", cifs_sb->mnt_uid);
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID)
+ seq_printf(s, ",forceuid");
+ else
+ seq_printf(s, ",noforceuid");
+
+ seq_printf(s, ",gid=%d", cifs_sb->mnt_gid);
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID)
+ seq_printf(s, ",forcegid");
+ else
+ seq_printf(s, ",noforcegid");
+
+ cifs_show_address(s, tcon->ses->server);
+
+ if (!tcon->unix_ext)
+ seq_printf(s, ",file_mode=0%o,dir_mode=0%o",
cifs_sb->mnt_file_mode,
cifs_sb->mnt_dir_mode);
- }
- if (tcon->seal)
- seq_printf(s, ",seal");
- if (tcon->nocase)
- seq_printf(s, ",nocase");
- if (tcon->retry)
- seq_printf(s, ",hard");
- }
- if (cifs_sb->prepath)
- seq_printf(s, ",prepath=%s", cifs_sb->prepath);
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)
- seq_printf(s, ",posixpaths");
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID)
- seq_printf(s, ",setuids");
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)
- seq_printf(s, ",serverino");
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO)
- seq_printf(s, ",directio");
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR)
- seq_printf(s, ",nouser_xattr");
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR)
- seq_printf(s, ",mapchars");
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)
- seq_printf(s, ",sfu");
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
- seq_printf(s, ",nobrl");
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL)
- seq_printf(s, ",cifsacl");
- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM)
- seq_printf(s, ",dynperm");
- if (m->mnt_sb->s_flags & MS_POSIXACL)
- seq_printf(s, ",acl");
-
- seq_printf(s, ",rsize=%d", cifs_sb->rsize);
- seq_printf(s, ",wsize=%d", cifs_sb->wsize);
- }
+ if (tcon->seal)
+ seq_printf(s, ",seal");
+ if (tcon->nocase)
+ seq_printf(s, ",nocase");
+ if (tcon->retry)
+ seq_printf(s, ",hard");
+ if (cifs_sb->prepath)
+ seq_printf(s, ",prepath=%s", cifs_sb->prepath);
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)
+ seq_printf(s, ",posixpaths");
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID)
+ seq_printf(s, ",setuids");
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)
+ seq_printf(s, ",serverino");
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO)
+ seq_printf(s, ",directio");
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR)
+ seq_printf(s, ",nouser_xattr");
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR)
+ seq_printf(s, ",mapchars");
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)
+ seq_printf(s, ",sfu");
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
+ seq_printf(s, ",nobrl");
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL)
+ seq_printf(s, ",cifsacl");
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM)
+ seq_printf(s, ",dynperm");
+ if (m->mnt_sb->s_flags & MS_POSIXACL)
+ seq_printf(s, ",acl");
+
+ seq_printf(s, ",rsize=%d", cifs_sb->rsize);
+ seq_printf(s, ",wsize=%d", cifs_sb->wsize);
+
return 0;
}
@@ -515,7 +513,7 @@ int cifs_xstate_get(struct super_block *sb, struct fs_quota_stat *qstats)
return rc;
}
-static struct quotactl_ops cifs_quotactl_ops = {
+static const struct quotactl_ops cifs_quotactl_ops = {
.set_xquota = cifs_xquota_set,
.get_xquota = cifs_xquota_get,
.set_xstate = cifs_xstate_set,
@@ -535,9 +533,14 @@ static void cifs_umount_begin(struct super_block *sb)
if (tcon == NULL)
return;
- lock_kernel();
read_lock(&cifs_tcp_ses_lock);
- if (tcon->tc_count == 1)
+ if ((tcon->tc_count > 1) || (tcon->tidStatus == CifsExiting)) {
+ /* we have other mounts to same share or we have
+ already tried to force umount this and woken up
+ all waiting network requests, nothing to do */
+ read_unlock(&cifs_tcp_ses_lock);
+ return;
+ } else if (tcon->tc_count == 1)
tcon->tidStatus = CifsExiting;
read_unlock(&cifs_tcp_ses_lock);
@@ -552,9 +555,7 @@ static void cifs_umount_begin(struct super_block *sb)
wake_up_all(&tcon->ses->server->response_q);
msleep(1);
}
-/* BB FIXME - finish add checks for tidStatus BB */
- unlock_kernel();
return;
}
@@ -968,89 +969,12 @@ cifs_destroy_mids(void)
kmem_cache_destroy(cifs_oplock_cachep);
}
-static int cifs_oplock_thread(void *dummyarg)
-{
- struct oplock_q_entry *oplock_item;
- struct cifsTconInfo *pTcon;
- struct inode *inode;
- __u16 netfid;
- int rc, waitrc = 0;
-
- set_freezable();
- do {
- if (try_to_freeze())
- continue;
-
- spin_lock(&GlobalMid_Lock);
- if (list_empty(&GlobalOplock_Q)) {
- spin_unlock(&GlobalMi