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authorJeff Layton <jlayton@redhat.com>2010-12-06 18:52:08 +0100
committerSteve French <sfrench@us.ibm.com>2010-12-06 21:22:39 +0100
commit79df1baeec29022e4181f2964187b88661ef5517 (patch)
tree2692721239eeb8bbfe591fc1ef038c90e61e8826
parentMerge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6 (diff)
downloadlinux-79df1baeec29022e4181f2964187b88661ef5517.tar.xz
linux-79df1baeec29022e4181f2964187b88661ef5517.zip
cifs: fix use of CONFIG_CIFS_ACL
Some of the code under CONFIG_CIFS_ACL is dependent upon code under CONFIG_CIFS_EXPERIMENTAL, but the Kconfig options don't reflect that dependency. Move more of the ACL code out from under CONFIG_CIFS_EXPERIMENTAL and under CONFIG_CIFS_ACL. Also move find_readable_file out from other any sort of Kconfig option and make it a function normally compiled in. Reported-and-Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
-rw-r--r--fs/cifs/Makefile4
-rw-r--r--fs/cifs/cifsacl.c3
-rw-r--r--fs/cifs/cifsacl.h4
-rw-r--r--fs/cifs/cifsproto.h2
-rw-r--r--fs/cifs/cifssmb.c183
-rw-r--r--fs/cifs/file.c2
-rw-r--r--fs/cifs/inode.c8
7 files changed, 99 insertions, 107 deletions
diff --git a/fs/cifs/Makefile b/fs/cifs/Makefile
index adefa60a9bdc..43b19dd39191 100644
--- a/fs/cifs/Makefile
+++ b/fs/cifs/Makefile
@@ -6,7 +6,9 @@ obj-$(CONFIG_CIFS) += cifs.o
cifs-y := cifsfs.o cifssmb.o cifs_debug.o connect.o dir.o file.o inode.o \
link.o misc.o netmisc.o smbdes.o smbencrypt.o transport.o asn1.o \
md4.o md5.o cifs_unicode.o nterr.o xattr.o cifsencrypt.o \
- readdir.o ioctl.o sess.o export.o cifsacl.o
+ readdir.o ioctl.o sess.o export.o
+
+cifs-$(CONFIG_CIFS_ACL) += cifsacl.o
cifs-$(CONFIG_CIFS_UPCALL) += cifs_spnego.o
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index c6ebea088ac7..a437ec391a01 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -30,8 +30,6 @@
#include "cifs_debug.h"
-#ifdef CONFIG_CIFS_EXPERIMENTAL
-
static struct cifs_wksid wksidarr[NUM_WK_SIDS] = {
{{1, 0, {0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0} }, "null user"},
{{1, 1, {0, 0, 0, 0, 0, 1}, {0, 0, 0, 0, 0} }, "nobody"},
@@ -774,4 +772,3 @@ int mode_to_cifs_acl(struct inode *inode, const char *path, __u64 nmode)
return rc;
}
-#endif /* CONFIG_CIFS_EXPERIMENTAL */
diff --git a/fs/cifs/cifsacl.h b/fs/cifs/cifsacl.h
index 6c8096cf5155..c4ae7d036563 100644
--- a/fs/cifs/cifsacl.h
+++ b/fs/cifs/cifsacl.h
@@ -74,11 +74,7 @@ struct cifs_wksid {
char sidname[SIDNAMELENGTH];
} __attribute__((packed));
-#ifdef CONFIG_CIFS_EXPERIMENTAL
-
extern int match_sid(struct cifs_sid *);
extern int compare_sids(const struct cifs_sid *, const struct cifs_sid *);
-#endif /* CONFIG_CIFS_EXPERIMENTAL */
-
#endif /* _CIFSACL_H */
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index db961dc4fd3d..5523047b1ebd 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -79,9 +79,7 @@ extern bool is_valid_oplock_break(struct smb_hdr *smb,
struct TCP_Server_Info *);
extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool);
-#ifdef CONFIG_CIFS_EXPERIMENTAL
extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
-#endif
extern unsigned int smbCalcSize(struct smb_hdr *ptr);
extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
extern int decode_negTokenInit(unsigned char *security_blob, int length,
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 2f2632b6df5a..67acfb3acad2 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -2478,95 +2478,6 @@ querySymLinkRetry:
}
#ifdef CONFIG_CIFS_EXPERIMENTAL
-/* Initialize NT TRANSACT SMB into small smb request buffer.
- This assumes that all NT TRANSACTS that we init here have
- total parm and data under about 400 bytes (to fit in small cifs
- buffer size), which is the case so far, it easily fits. NB:
- Setup words themselves and ByteCount
- MaxSetupCount (size of returned setup area) and
- MaxParameterCount (returned parms size) must be set by caller */
-static int
-smb_init_nttransact(const __u16 sub_command, const int setup_count,
- const int parm_len, struct cifsTconInfo *tcon,
- void **ret_buf)
-{
- int rc;
- __u32 temp_offset;
- struct smb_com_ntransact_req *pSMB;
-
- rc = small_smb_init(SMB_COM_NT_TRANSACT, 19 + setup_count, tcon,
- (void **)&pSMB);
- if (rc)
- return rc;
- *ret_buf = (void *)pSMB;
- pSMB->Reserved = 0;
- pSMB->TotalParameterCount = cpu_to_le32(parm_len);
- pSMB->TotalDataCount = 0;
- pSMB->MaxDataCount = cpu_to_le32((tcon->ses->server->maxBuf -
- MAX_CIFS_HDR_SIZE) & 0xFFFFFF00);
- pSMB->ParameterCount = pSMB->TotalParameterCount;
- pSMB->DataCount = pSMB->TotalDataCount;
- temp_offset = offsetof(struct smb_com_ntransact_req, Parms) +
- (setup_count * 2) - 4 /* for rfc1001 length itself */;
- pSMB->ParameterOffset = cpu_to_le32(temp_offset);
- pSMB->DataOffset = cpu_to_le32(temp_offset + parm_len);
- pSMB->SetupCount = setup_count; /* no need to le convert byte fields */
- pSMB->SubCommand = cpu_to_le16(sub_command);
- return 0;
-}
-
-static int
-validate_ntransact(char *buf, char **ppparm, char **ppdata,
- __u32 *pparmlen, __u32 *pdatalen)
-{
- char *end_of_smb;
- __u32 data_count, data_offset, parm_count, parm_offset;
- struct smb_com_ntransact_rsp *pSMBr;
-
- *pdatalen = 0;
- *pparmlen = 0;
-
- if (buf == NULL)
- return -EINVAL;
-
- pSMBr = (struct smb_com_ntransact_rsp *)buf;
-
- /* ByteCount was converted from little endian in SendReceive */
- end_of_smb = 2 /* sizeof byte count */ + pSMBr->ByteCount +
- (char *)&pSMBr->ByteCount;
-
- data_offset = le32_to_cpu(pSMBr->DataOffset);
- data_count = le32_to_cpu(pSMBr->DataCount);
- parm_offset = le32_to_cpu(pSMBr->ParameterOffset);
- parm_count = le32_to_cpu(pSMBr->ParameterCount);
-
- *ppparm = (char *)&pSMBr->hdr.Protocol + parm_offset;
- *ppdata = (char *)&pSMBr->hdr.Protocol + data_offset;
-
- /* should we also check that parm and data areas do not overlap? */
- if (*ppparm > end_of_smb) {
- cFYI(1, "parms start after end of smb");
- return -EINVAL;
- } else if (parm_count + *ppparm > end_of_smb) {
- cFYI(1, "parm end after end of smb");
- return -EINVAL;
- } else if (*ppdata > end_of_smb) {
- cFYI(1, "data starts after end of smb");
- return -EINVAL;
- } else if (data_count + *ppdata > end_of_smb) {
- cFYI(1, "data %p + count %d (%p) past smb end %p start %p",
- *ppdata, data_count, (data_count + *ppdata),
- end_of_smb, pSMBr);
- return -EINVAL;
- } else if (parm_count + data_count > pSMBr->ByteCount) {
- cFYI(1, "parm count and data count larger than SMB");
- return -EINVAL;
- }
- *pdatalen = data_count;
- *pparmlen = parm_count;
- return 0;
-}
-
int
CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName,
@@ -3056,7 +2967,97 @@ GetExtAttrOut:
#endif /* CONFIG_POSIX */
-#ifdef CONFIG_CIFS_EXPERIMENTAL
+#ifdef CONFIG_CIFS_ACL
+/*
+ * Initialize NT TRANSACT SMB into small smb request buffer. This assumes that
+ * all NT TRANSACTS that we init here have total parm and data under about 400
+ * bytes (to fit in small cifs buffer size), which is the case so far, it
+ * easily fits. NB: Setup words themselves and ByteCount MaxSetupCount (size of
+ * returned setup area) and MaxParameterCount (returned parms size) must be set
+ * by caller
+ */
+static int
+smb_init_nttransact(const __u16 sub_command, const int setup_count,
+ const int parm_len, struct cifsTconInfo *tcon,
+ void **ret_buf)
+{
+ int rc;
+ __u32 temp_offset;
+ struct smb_com_ntransact_req *pSMB;
+
+ rc = small_smb_init(SMB_COM_NT_TRANSACT, 19 + setup_count, tcon,
+ (void **)&pSMB);
+ if (rc)
+ return rc;
+ *ret_buf = (void *)pSMB;
+ pSMB->Reserved = 0;
+ pSMB->TotalParameterCount = cpu_to_le32(parm_len);
+ pSMB->TotalDataCount = 0;
+ pSMB->MaxDataCount = cpu_to_le32((tcon->ses->server->maxBuf -
+ MAX_CIFS_HDR_SIZE) & 0xFFFFFF00);
+ pSMB->ParameterCount = pSMB->TotalParameterCount;
+ pSMB->DataCount = pSMB->TotalDataCount;
+ temp_offset = offsetof(struct smb_com_ntransact_req, Parms) +
+ (setup_count * 2) - 4 /* for rfc1001 length itself */;
+ pSMB->ParameterOffset = cpu_to_le32(temp_offset);
+ pSMB->DataOffset = cpu_to_le32(temp_offset + parm_len);
+ pSMB->SetupCount = setup_count; /* no need to le convert byte fields */
+ pSMB->SubCommand = cpu_to_le16(sub_command);
+ return 0;
+}
+
+static int
+validate_ntransact(char *buf, char **ppparm, char **ppdata,
+ __u32 *pparmlen, __u32 *pdatalen)
+{
+ char *end_of_smb;
+ __u32 data_count, data_offset, parm_count, parm_offset;
+ struct smb_com_ntransact_rsp *pSMBr;
+
+ *pdatalen = 0;
+ *pparmlen = 0;
+
+ if (buf == NULL)
+ return -EINVAL;
+
+ pSMBr = (struct smb_com_ntransact_rsp *)buf;
+
+ /* ByteCount was converted from little endian in SendReceive */
+ end_of_smb = 2 /* sizeof byte count */ + pSMBr->ByteCount +
+ (char *)&pSMBr->ByteCount;
+
+ data_offset = le32_to_cpu(pSMBr->DataOffset);
+ data_count = le32_to_cpu(pSMBr->DataCount);
+ parm_offset = le32_to_cpu(pSMBr->ParameterOffset);
+ parm_count = le32_to_cpu(pSMBr->ParameterCount);
+
+ *ppparm = (char *)&pSMBr->hdr.Protocol + parm_offset;
+ *ppdata = (char *)&pSMBr->hdr.Protocol + data_offset;
+
+ /* should we also check that parm and data areas do not overlap? */
+ if (*ppparm > end_of_smb) {
+ cFYI(1, "parms start after end of smb");
+ return -EINVAL;
+ } else if (parm_count + *ppparm > end_of_smb) {
+ cFYI(1, "parm end after end of smb");
+ return -EINVAL;
+ } else if (*ppdata > end_of_smb) {
+ cFYI(1, "data starts after end of smb");
+ return -EINVAL;
+ } else if (data_count + *ppdata > end_of_smb) {
+ cFYI(1, "data %p + count %d (%p) past smb end %p start %p",
+ *ppdata, data_count, (data_count + *ppdata),
+ end_of_smb, pSMBr);
+ return -EINVAL;
+ } else if (parm_count + data_count > pSMBr->ByteCount) {
+ cFYI(1, "parm count and data count larger than SMB");
+ return -EINVAL;
+ }
+ *pdatalen = data_count;
+ *pparmlen = parm_count;
+ return 0;
+}
+
/* Get Security Descriptor (by handle) from remote server for a file or dir */
int
CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon, __u16 fid,
@@ -3214,7 +3215,7 @@ setCifsAclRetry:
return (rc);
}
-#endif /* CONFIG_CIFS_EXPERIMENTAL */
+#endif /* CONFIG_CIFS_ACL */
/* Legacy Query Path Information call for lookup to old servers such
as Win9x/WinME */
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index b857ce5db775..5a28660ca2b5 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1108,7 +1108,6 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file,
return total_written;
}
-#ifdef CONFIG_CIFS_EXPERIMENTAL
struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *cifs_inode,
bool fsuid_only)
{
@@ -1142,7 +1141,6 @@ struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *cifs_inode,
spin_unlock(&cifs_file_list_lock);
return NULL;
}
-#endif
struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *cifs_inode,
bool fsuid_only)
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index bb5ca4848e81..aa48521a78c1 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -686,7 +686,7 @@ int cifs_get_inode_info(struct inode **pinode,
cFYI(1, "cifs_sfu_type failed: %d", tmprc);
}
-#ifdef CONFIG_CIFS_EXPERIMENTAL
+#ifdef CONFIG_CIFS_ACL
/* fill in 0777 bits from ACL */
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
rc = cifs_acl_to_fattr(cifs_sb, &fattr, *pinode, full_path,
@@ -697,7 +697,7 @@ int cifs_get_inode_info(struct inode **pinode,
goto cgii_exit;
}
}
-#endif
+#endif /* CONFIG_CIFS_ACL */
/* fill in remaining high mode bits e.g. SUID, VTX */
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)
@@ -2122,7 +2122,7 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs)
if (attrs->ia_valid & ATTR_MODE) {
rc = 0;
-#ifdef CONFIG_CIFS_EXPERIMENTAL
+#ifdef CONFIG_CIFS_ACL
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
rc = mode_to_cifs_acl(inode, full_path, mode);
if (rc) {
@@ -2131,7 +2131,7 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs)
goto cifs_setattr_exit;
}
} else
-#endif
+#endif /* CONFIG_CIFS_ACL */
if (((mode & S_IWUGO) == 0) &&
(cifsInode->cifsAttrs & ATTR_READONLY) == 0) {