| Message ID | 1362065133-9490-4-git-send-email-piastry@etersoft.ru (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, 28 Feb 2013 19:25:29 +0400 Pavel Shilovsky <piastry@etersoft.ru> wrote: > Make CIFSSMBOpen take share_flags as a parm that allows us > to pass new O_DENY* flags to the server. > > Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> > --- > fs/cifs/cifsacl.c | 6 ++++-- > fs/cifs/cifsglob.h | 12 +++++++++++- > fs/cifs/cifsproto.h | 9 +++++---- > fs/cifs/cifssmb.c | 47 +++++++++++++++++++++++++---------------------- > fs/cifs/dir.c | 13 ++++++++----- > fs/cifs/file.c | 12 ++++++++---- > fs/cifs/inode.c | 11 ++++++----- > fs/cifs/link.c | 10 +++++----- > fs/cifs/readdir.c | 2 +- > fs/cifs/smb1ops.c | 15 ++++++++------- > fs/cifs/smb2file.c | 10 +++++----- > fs/cifs/smb2inode.c | 4 ++-- > fs/cifs/smb2ops.c | 10 ++++++---- > fs/cifs/smb2pdu.c | 6 +++--- > fs/cifs/smb2proto.h | 14 ++++++++------ > 15 files changed, 105 insertions(+), 76 deletions(-) > > diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c > index 5cbd00e..222b989 100644 > --- a/fs/cifs/cifsacl.c > +++ b/fs/cifs/cifsacl.c > @@ -891,7 +891,8 @@ static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb, > create_options |= CREATE_OPEN_BACKUP_INTENT; > > rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, READ_CONTROL, > - create_options, &fid, &oplock, NULL, cifs_sb->local_nls, > + FILE_SHARE_ALL, create_options, &fid, &oplock, > + NULL, cifs_sb->local_nls, > cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); > if (!rc) { > rc = CIFSSMBGetCIFSACL(xid, tcon, fid, &pntsd, pacllen); > @@ -952,7 +953,8 @@ int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen, > access_flags = WRITE_DAC; > > rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, access_flags, > - create_options, &fid, &oplock, NULL, cifs_sb->local_nls, > + FILE_SHARE_ALL, create_options, &fid, &oplock, > + NULL, cifs_sb->local_nls, > cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); > if (rc) { > cERROR(1, "Unable to open file to set ACL"); > diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h > index e6899ce..f1d62ed 100644 > --- a/fs/cifs/cifsglob.h > +++ b/fs/cifs/cifsglob.h > @@ -310,7 +310,7 @@ struct smb_version_operations { > struct cifs_sb_info *); > /* open a file for non-posix mounts */ > int (*open)(const unsigned int, struct cifs_tcon *, const char *, int, > - int, int, struct cifs_fid *, __u32 *, FILE_ALL_INFO *, > + int, int, int, struct cifs_fid *, __u32 *, FILE_ALL_INFO *, > struct cifs_sb_info *); > /* set fid protocol-specific info */ > void (*set_fid)(struct cifsFileInfo *, struct cifs_fid *, __u32); > @@ -947,6 +947,16 @@ struct cifsFileInfo { > struct work_struct oplock_break; /* work for oplock breaks */ > }; > > +#define CIFS_DENY_RW_FLAGS_SHIFT 22 > +#define CIFS_DENY_DEL_FLAG_SHIFT 23 > + > +static inline int cifs_get_share_flags(unsigned int flags) > +{ > + return (flags & O_DENYMAND) ? > + (((~(flags >> CIFS_DENY_RW_FLAGS_SHIFT)) & 3) | > + ((~(flags >> CIFS_DENY_DEL_FLAG_SHIFT)) & 4)) : FILE_SHARE_ALL; > +} > + > struct cifs_io_parms { > __u16 netfid; > #ifdef CONFIG_CIFS_SMB2 > diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h > index 1988c1b..9661607 100644 > --- a/fs/cifs/cifsproto.h > +++ b/fs/cifs/cifsproto.h > @@ -361,10 +361,11 @@ extern int CIFSSMBQueryReparseLinkInfo(const unsigned int xid, > const struct nls_table *nls_codepage); > #endif /* temporarily unused until cifs_symlink fixed */ > extern int CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon, > - const char *fileName, const int disposition, > - const int access_flags, const int omode, > - __u16 *netfid, int *pOplock, FILE_ALL_INFO *, > - const struct nls_table *nls_codepage, int remap); > + const char *file_name, const int disposition, > + const int access_flags, const int share_flags, > + const int omode, __u16 *netfid, int *oplock, > + FILE_ALL_INFO *, const struct nls_table *nls_codepage, > + int remap); Yuck...maybe it's time for a struct cifs_openargs? At the very least, while you're in here, it would be good to just pass in a cifs_sb instead of a nls_table and a remap flag. > extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon, > const char *fileName, const int disposition, > const int access_flags, const int omode, > diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c > index 76d0d29..9c4632f 100644 > --- a/fs/cifs/cifssmb.c > +++ b/fs/cifs/cifssmb.c > @@ -1289,10 +1289,11 @@ OldOpenRetry: > > int > CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon, > - const char *fileName, const int openDisposition, > - const int access_flags, const int create_options, __u16 *netfid, > - int *pOplock, FILE_ALL_INFO *pfile_info, > - const struct nls_table *nls_codepage, int remap) > + const char *file_name, const int disposition, > + const int access_flags, const int share_flags, > + const int create_options, __u16 *netfid, int *oplock, > + FILE_ALL_INFO *file_info, const struct nls_table *nls_codepage, > + int remap) > { > int rc = -EACCES; > OPEN_REQ *pSMB = NULL; > @@ -1313,26 +1314,28 @@ openRetry: > count = 1; /* account for one byte pad to word boundary */ > name_len = > cifsConvertToUTF16((__le16 *) (pSMB->fileName + 1), > - fileName, PATH_MAX, nls_codepage, remap); > + file_name, PATH_MAX, nls_codepage, > + remap); > name_len++; /* trailing null */ > name_len *= 2; > pSMB->NameLength = cpu_to_le16(name_len); > } else { /* BB improve check for buffer overruns BB */ > count = 0; /* no pad */ > - name_len = strnlen(fileName, PATH_MAX); > + name_len = strnlen(file_name, PATH_MAX); > name_len++; /* trailing null */ > pSMB->NameLength = cpu_to_le16(name_len); > - strncpy(pSMB->fileName, fileName, name_len); > + strncpy(pSMB->fileName, file_name, name_len); > } > - if (*pOplock & REQ_OPLOCK) > + if (*oplock & REQ_OPLOCK) > pSMB->OpenFlags = cpu_to_le32(REQ_OPLOCK); > - else if (*pOplock & REQ_BATCHOPLOCK) > + else if (*oplock & REQ_BATCHOPLOCK) > pSMB->OpenFlags = cpu_to_le32(REQ_BATCHOPLOCK); > pSMB->DesiredAccess = cpu_to_le32(access_flags); > pSMB->AllocationSize = 0; > - /* set file as system file if special file such > - as fifo and server expecting SFU style and > - no Unix extensions */ > + /* > + * set file as system file if special file such as fifo and server > + * expecting SFU style and no Unix extensions > + */ > if (create_options & CREATE_OPTION_SPECIAL) > pSMB->FileAttributes = cpu_to_le32(ATTR_SYSTEM); > else > @@ -1347,8 +1350,8 @@ openRetry: > if (create_options & CREATE_OPTION_READONLY) > pSMB->FileAttributes |= cpu_to_le32(ATTR_READONLY); > > - pSMB->ShareAccess = cpu_to_le32(FILE_SHARE_ALL); > - pSMB->CreateDisposition = cpu_to_le32(openDisposition); > + pSMB->ShareAccess = cpu_to_le32(share_flags); > + pSMB->CreateDisposition = cpu_to_le32(disposition); > pSMB->CreateOptions = cpu_to_le32(create_options & CREATE_OPTIONS_MASK); > /* BB Expirement with various impersonation levels and verify */ > pSMB->ImpersonationLevel = cpu_to_le32(SECURITY_IMPERSONATION); > @@ -1366,20 +1369,20 @@ openRetry: > if (rc) { > cFYI(1, "Error in Open = %d", rc); > } else { > - *pOplock = pSMBr->OplockLevel; /* 1 byte no need to le_to_cpu */ > + *oplock = pSMBr->OplockLevel; /* 1 byte no need to le_to_cpu */ > *netfid = pSMBr->Fid; /* cifs fid stays in le */ > /* Let caller know file was created so we can set the mode. */ > /* Do we care about the CreateAction in any other cases? */ > if (cpu_to_le32(FILE_CREATE) == pSMBr->CreateAction) > - *pOplock |= CIFS_CREATE_ACTION; > - if (pfile_info) { > - memcpy((char *)pfile_info, (char *)&pSMBr->CreationTime, > + *oplock |= CIFS_CREATE_ACTION; > + if (file_info) { > + memcpy((char *)file_info, (char *)&pSMBr->CreationTime, > 36 /* CreationTime to Attributes */); > /* the file_info buf is endian converted by caller */ > - pfile_info->AllocationSize = pSMBr->AllocationSize; > - pfile_info->EndOfFile = pSMBr->EndOfFile; > - pfile_info->NumberOfLinks = cpu_to_le32(1); > - pfile_info->DeletePending = 0; > + file_info->AllocationSize = pSMBr->AllocationSize; > + file_info->EndOfFile = pSMBr->EndOfFile; > + file_info->NumberOfLinks = cpu_to_le32(1); > + file_info->DeletePending = 0; > } > } > > diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c > index 8719bbe..6975072 100644 > --- a/fs/cifs/dir.c > +++ b/fs/cifs/dir.c > @@ -203,6 +203,7 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, > FILE_ALL_INFO *buf = NULL; > struct inode *newinode = NULL; > int disposition; > + int share_access; > struct TCP_Server_Info *server = tcon->ses->server; > > *oplock = 0; > @@ -293,6 +294,8 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, > else > cFYI(1, "Create flag not set in create function"); > > + share_access = cifs_get_share_flags(oflags); > + > /* > * BB add processing to set equivalent of mode - e.g. via CreateX with > * ACLs > @@ -320,8 +323,8 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, > create_options |= CREATE_OPEN_BACKUP_INTENT; > > rc = server->ops->open(xid, tcon, full_path, disposition, > - desired_access, create_options, fid, oplock, > - buf, cifs_sb); > + desired_access, share_access, create_options, > + fid, oplock, buf, cifs_sb); > if (rc) { > cFYI(1, "cifs_create returned 0x%x", rc); > goto out; > @@ -626,9 +629,9 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode, > if (backup_cred(cifs_sb)) > create_options |= CREATE_OPEN_BACKUP_INTENT; > > - rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_CREATE, > - GENERIC_WRITE, create_options, > - &fileHandle, &oplock, buf, cifs_sb->local_nls, > + rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_CREATE, GENERIC_WRITE, > + FILE_SHARE_ALL, create_options, &fileHandle, &oplock, > + buf, cifs_sb->local_nls, > cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); > if (rc) > goto mknod_out; > diff --git a/fs/cifs/file.c b/fs/cifs/file.c > index 8ea6ca5..3ad484c 100644 > --- a/fs/cifs/file.c > +++ b/fs/cifs/file.c > @@ -174,6 +174,7 @@ cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb, > { > int rc; > int desired_access; > + int share_access; > int disposition; > int create_options = CREATE_NOT_DIR; > FILE_ALL_INFO *buf; > @@ -209,6 +210,7 @@ cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb, > *********************************************************************/ > > disposition = cifs_get_disposition(f_flags); > + share_access = cifs_get_share_flags(f_flags); > > /* BB pass O_SYNC flag through on file attributes .. BB */ > > @@ -220,8 +222,8 @@ cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb, > create_options |= CREATE_OPEN_BACKUP_INTENT; > > rc = server->ops->open(xid, tcon, full_path, disposition, > - desired_access, create_options, fid, oplock, buf, > - cifs_sb); > + desired_access, share_access, create_options, > + fid, oplock, buf, cifs_sb); > > if (rc) > goto out; > @@ -579,6 +581,7 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush) > struct inode *inode; > char *full_path = NULL; > int desired_access; > + int share_access; > int disposition = FILE_OPEN; > int create_options = CREATE_NOT_DIR; > struct cifs_fid fid; > @@ -643,6 +646,7 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush) > } > > desired_access = cifs_convert_flags(cfile->f_flags); > + share_access = cifs_get_share_flags(cfile->f_flags); > > if (backup_cred(cifs_sb)) > create_options |= CREATE_OPEN_BACKUP_INTENT; > @@ -658,8 +662,8 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush) > * not dirty locally we could do this. > */ > rc = server->ops->open(xid, tcon, full_path, disposition, > - desired_access, create_options, &fid, &oplock, > - NULL, cifs_sb); > + desired_access, share_access, create_options, > + &fid, &oplock, NULL, cifs_sb); > if (rc) { > mutex_unlock(&cfile->fh_mutex); > cFYI(1, "cifs_reopen returned 0x%x", rc); > diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c > index ed6208f..a497dfa 100644 > --- a/fs/cifs/inode.c > +++ b/fs/cifs/inode.c > @@ -396,8 +396,8 @@ cifs_sfu_type(struct cifs_fattr *fattr, const unsigned char *path, > tcon = tlink_tcon(tlink); > > rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, GENERIC_READ, > - CREATE_NOT_DIR, &netfid, &oplock, NULL, > - cifs_sb->local_nls, > + FILE_SHARE_ALL, CREATE_NOT_DIR, &netfid, &oplock, > + NULL, cifs_sb->local_nls, > cifs_sb->mnt_cifs_flags & > CIFS_MOUNT_MAP_SPECIAL_CHR); > if (rc == 0) { > @@ -987,8 +987,9 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry, > tcon = tlink_tcon(tlink); > > rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN, > - DELETE|FILE_WRITE_ATTRIBUTES, CREATE_NOT_DIR, > - &netfid, &oplock, NULL, cifs_sb->local_nls, > + DELETE|FILE_WRITE_ATTRIBUTES, FILE_SHARE_ALL, > + CREATE_NOT_DIR, &netfid, &oplock, NULL, > + cifs_sb->local_nls, > cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); > if (rc != 0) > goto out; > @@ -1509,7 +1510,7 @@ cifs_do_rename(const unsigned int xid, struct dentry *from_dentry, > > /* open the file to be renamed -- we need DELETE perms */ > rc = CIFSSMBOpen(xid, tcon, from_path, FILE_OPEN, DELETE, > - CREATE_NOT_DIR, &srcfid, &oplock, NULL, > + FILE_SHARE_ALL, CREATE_NOT_DIR, &srcfid, &oplock, NULL, > cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & > CIFS_MOUNT_MAP_SPECIAL_CHR); > if (rc == 0) { > diff --git a/fs/cifs/link.c b/fs/cifs/link.c > index 51dc2fb..9b4f0db 100644 > --- a/fs/cifs/link.c > +++ b/fs/cifs/link.c > @@ -212,7 +212,7 @@ CIFSCreateMFSymLink(const unsigned int xid, struct cifs_tcon *tcon, > create_options |= CREATE_OPEN_BACKUP_INTENT; > > rc = CIFSSMBOpen(xid, tcon, fromName, FILE_CREATE, GENERIC_WRITE, > - create_options, &netfid, &oplock, NULL, > + FILE_SHARE_ALL, create_options, &netfid, &oplock, NULL, > nls_codepage, remap); > if (rc != 0) { > kfree(buf); > @@ -254,8 +254,8 @@ CIFSQueryMFSymLink(const unsigned int xid, struct cifs_tcon *tcon, > FILE_ALL_INFO file_info; > > rc = CIFSSMBOpen(xid, tcon, searchName, FILE_OPEN, GENERIC_READ, > - CREATE_NOT_DIR, &netfid, &oplock, &file_info, > - nls_codepage, remap); > + FILE_SHARE_ALL, CREATE_NOT_DIR, &netfid, &oplock, > + &file_info, nls_codepage, remap); > if (rc != 0) > return rc; > > @@ -332,8 +332,8 @@ CIFSCheckMFSymlink(struct cifs_fattr *fattr, > pTcon = tlink_tcon(tlink); > > rc = CIFSSMBOpen(xid, pTcon, path, FILE_OPEN, GENERIC_READ, > - CREATE_NOT_DIR, &netfid, &oplock, &file_info, > - cifs_sb->local_nls, > + FILE_SHARE_ALL, CREATE_NOT_DIR, &netfid, &oplock, > + &file_info, cifs_sb->local_nls, > cifs_sb->mnt_cifs_flags & > CIFS_MOUNT_MAP_SPECIAL_CHR); > if (rc != 0) > diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c > index cdd6ff4..726b52e 100644 > --- a/fs/cifs/readdir.c > +++ b/fs/cifs/readdir.c > @@ -224,7 +224,7 @@ int get_symlink_reparse_path(char *full_path, struct cifs_sb_info *cifs_sb, > char *tmpbuffer; > > rc = CIFSSMBOpen(xid, ptcon, full_path, FILE_OPEN, GENERIC_READ, > - OPEN_REPARSE_POINT, &fid, &oplock, NULL, > + FILE_SHARE_ALL, OPEN_REPARSE_POINT, &fid, &oplock, NULL, > cifs_sb->local_nls, > cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); > if (!rc) { > diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c > index 47bc5a8..d782209 100644 > --- a/fs/cifs/smb1ops.c > +++ b/fs/cifs/smb1ops.c > @@ -671,9 +671,9 @@ cifs_mkdir_setinfo(struct inode *inode, const char *full_path, > > static int > cifs_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path, > - int disposition, int desired_access, int create_options, > - struct cifs_fid *fid, __u32 *oplock, FILE_ALL_INFO *buf, > - struct cifs_sb_info *cifs_sb) > + int disposition, int desired_access, int share_access, > + int create_options, struct cifs_fid *fid, __u32 *oplock, > + FILE_ALL_INFO *buf, struct cifs_sb_info *cifs_sb) > { > if (!(tcon->ses->capabilities & CAP_NT_SMBS)) > return SMBLegacyOpen(xid, tcon, path, disposition, > @@ -682,8 +682,8 @@ cifs_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path, > cifs_sb->local_nls, cifs_sb->mnt_cifs_flags > & CIFS_MOUNT_MAP_SPECIAL_CHR); > return CIFSSMBOpen(xid, tcon, path, disposition, desired_access, > - create_options, &fid->netfid, oplock, buf, > - cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & > + share_access, create_options, &fid->netfid, oplock, > + buf, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & > CIFS_MOUNT_MAP_SPECIAL_CHR); > } > > @@ -779,8 +779,9 @@ smb_set_file_info(struct inode *inode, const char *full_path, > cFYI(1, "calling SetFileInfo since SetPathInfo for times not supported " > "by this server"); > rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN, > - SYNCHRONIZE | FILE_WRITE_ATTRIBUTES, CREATE_NOT_DIR, > - &netfid, &oplock, NULL, cifs_sb->local_nls, > + SYNCHRONIZE | FILE_WRITE_ATTRIBUTES, FILE_SHARE_ALL, > + CREATE_NOT_DIR, &netfid, &oplock, NULL, > + cifs_sb->local_nls, > cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); > > if (rc != 0) { > diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c > index 71e6aed..7dfb50c 100644 > --- a/fs/cifs/smb2file.c > +++ b/fs/cifs/smb2file.c > @@ -58,9 +58,9 @@ smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock) > > int > smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path, > - int disposition, int desired_access, int create_options, > - struct cifs_fid *fid, __u32 *oplock, FILE_ALL_INFO *buf, > - struct cifs_sb_info *cifs_sb) > + int disposition, int desired_access, int share_access, > + int create_options, struct cifs_fid *fid, __u32 *oplock, > + FILE_ALL_INFO *buf, struct cifs_sb_info *cifs_sb) > { > int rc; > __le16 *smb2_path; > @@ -87,8 +87,8 @@ smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path, > memcpy(smb2_oplock + 1, fid->lease_key, SMB2_LEASE_KEY_SIZE); > > rc = SMB2_open(xid, tcon, smb2_path, &fid->persistent_fid, > - &fid->volatile_fid, desired_access, disposition, > - 0, 0, smb2_oplock, smb2_data); > + &fid->volatile_fid, desired_access, share_access, > + disposition, 0, 0, smb2_oplock, smb2_data); > if (rc) > goto out; > > diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c > index 7064824..6af174a 100644 > --- a/fs/cifs/smb2inode.c > +++ b/fs/cifs/smb2inode.c > @@ -54,8 +54,8 @@ smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon, > return -ENOMEM; > > rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid, > - desired_access, create_disposition, file_attributes, > - create_options, &oplock, NULL); > + desired_access, FILE_SHARE_ALL, create_disposition, > + file_attributes, create_options, &oplock, NULL); > if (rc) { > kfree(utf16_path); > return rc; > diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c > index c9c7aa7..dc38434 100644 > --- a/fs/cifs/smb2ops.c > +++ b/fs/cifs/smb2ops.c > @@ -222,7 +222,8 @@ smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, > return -ENOMEM; > > rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid, > - FILE_READ_ATTRIBUTES, FILE_OPEN, 0, 0, &oplock, NULL); > + FILE_READ_ATTRIBUTES, FILE_SHARE_ALL, FILE_OPEN, 0, 0, > + &oplock, NULL); > if (rc) { > kfree(utf16_path); > return rc; > @@ -432,8 +433,8 @@ smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, > return -ENOMEM; > > rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid, > - FILE_READ_ATTRIBUTES | FILE_READ_DATA, FILE_OPEN, 0, 0, > - &oplock, NULL); > + FILE_READ_ATTRIBUTES | FILE_READ_DATA, FILE_SHARE_ALL, > + FILE_OPEN, 0, 0, &oplock, NULL); > kfree(utf16_path); > if (rc) { > cERROR(1, "open dir failed"); > @@ -515,7 +516,8 @@ smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon, > u8 oplock = SMB2_OPLOCK_LEVEL_NONE; > > rc = SMB2_open(xid, tcon, &srch_path, &persistent_fid, &volatile_fid, > - FILE_READ_ATTRIBUTES, FILE_OPEN, 0, 0, &oplock, NULL); > + FILE_READ_ATTRIBUTES, FILE_SHARE_ALL, FILE_OPEN, 0, 0, > + &oplock, NULL); > if (rc) > return rc; > buf->f_type = SMB2_MAGIC_NUMBER; > diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c > index 41d9d07..45fa2dc 100644 > --- a/fs/cifs/smb2pdu.c > +++ b/fs/cifs/smb2pdu.c > @@ -910,8 +910,8 @@ parse_lease_state(struct smb2_create_rsp *rsp) > int > SMB2_open(const unsigned int xid, struct cifs_tcon *tcon, __le16 *path, > u64 *persistent_fid, u64 *volatile_fid, __u32 desired_access, > - __u32 create_disposition, __u32 file_attributes, __u32 create_options, > - __u8 *oplock, struct smb2_file_all_info *buf) > + __u32 share_access, __u32 create_disposition, __u32 file_attributes, > + __u32 create_options, __u8 *oplock, struct smb2_file_all_info *buf) > { > struct smb2_create_req *req; > struct smb2_create_rsp *rsp; > @@ -940,7 +940,7 @@ SMB2_open(const unsigned int xid, struct cifs_tcon *tcon, __le16 *path, > req->DesiredAccess = cpu_to_le32(desired_access); > /* File attributes ignored on open (used in create though) */ > req->FileAttributes = cpu_to_le32(file_attributes); > - req->ShareAccess = FILE_SHARE_ALL_LE; > + req->ShareAccess = cpu_to_le32(share_access); > req->CreateDisposition = cpu_to_le32(create_disposition); > req->CreateOptions = cpu_to_le32(create_options); > uni_path_len = (2 * UniStrnlen((wchar_t *)path, PATH_MAX)) + 2; > diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h > index 2aa3535..edff8f6 100644 > --- a/fs/cifs/smb2proto.h > +++ b/fs/cifs/smb2proto.h > @@ -86,9 +86,10 @@ extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon, > > extern int smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon, > const char *full_path, int disposition, > - int desired_access, int create_options, > - struct cifs_fid *fid, __u32 *oplock, > - FILE_ALL_INFO *buf, struct cifs_sb_info *cifs_sb); > + int desired_access, int share_access, > + int create_options, struct cifs_fid *fid, > + __u32 *oplock, FILE_ALL_INFO *buf, > + struct cifs_sb_info *cifs_sb); > extern void smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock); > extern int smb2_unlock_range(struct cifsFileInfo *cfile, > struct file_lock *flock, const unsigned int xid); > @@ -108,9 +109,10 @@ extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, > extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon); > extern int SMB2_open(const unsigned int xid, struct cifs_tcon *tcon, > __le16 *path, u64 *persistent_fid, u64 *volatile_fid, > - __u32 desired_access, __u32 create_disposition, > - __u32 file_attributes, __u32 create_options, > - __u8 *oplock, struct smb2_file_all_info *buf); > + __u32 desired_access, __u32 share_access, > + __u32 create_disposition, __u32 file_attributes, > + __u32 create_options, __u8 *oplock, > + struct smb2_file_all_info *buf); > extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, > u64 persistent_file_id, u64 volatile_file_id); > extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c index 5cbd00e..222b989 100644 --- a/fs/cifs/cifsacl.c +++ b/fs/cifs/cifsacl.c @@ -891,7 +891,8 @@ static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb, create_options |= CREATE_OPEN_BACKUP_INTENT; rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, READ_CONTROL, - create_options, &fid, &oplock, NULL, cifs_sb->local_nls, + FILE_SHARE_ALL, create_options, &fid, &oplock, + NULL, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (!rc) { rc = CIFSSMBGetCIFSACL(xid, tcon, fid, &pntsd, pacllen); @@ -952,7 +953,8 @@ int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen, access_flags = WRITE_DAC; rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, access_flags, - create_options, &fid, &oplock, NULL, cifs_sb->local_nls, + FILE_SHARE_ALL, create_options, &fid, &oplock, + NULL, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc) { cERROR(1, "Unable to open file to set ACL"); diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index e6899ce..f1d62ed 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -310,7 +310,7 @@ struct smb_version_operations { struct cifs_sb_info *); /* open a file for non-posix mounts */ int (*open)(const unsigned int, struct cifs_tcon *, const char *, int, - int, int, struct cifs_fid *, __u32 *, FILE_ALL_INFO *, + int, int, int, struct cifs_fid *, __u32 *, FILE_ALL_INFO *, struct cifs_sb_info *); /* set fid protocol-specific info */ void (*set_fid)(struct cifsFileInfo *, struct cifs_fid *, __u32); @@ -947,6 +947,16 @@ struct cifsFileInfo { struct work_struct oplock_break; /* work for oplock breaks */ }; +#define CIFS_DENY_RW_FLAGS_SHIFT 22 +#define CIFS_DENY_DEL_FLAG_SHIFT 23 + +static inline int cifs_get_share_flags(unsigned int flags) +{ + return (flags & O_DENYMAND) ? + (((~(flags >> CIFS_DENY_RW_FLAGS_SHIFT)) & 3) | + ((~(flags >> CIFS_DENY_DEL_FLAG_SHIFT)) & 4)) : FILE_SHARE_ALL; +} + struct cifs_io_parms { __u16 netfid; #ifdef CONFIG_CIFS_SMB2 diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 1988c1b..9661607 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -361,10 +361,11 @@ extern int CIFSSMBQueryReparseLinkInfo(const unsigned int xid, const struct nls_table *nls_codepage); #endif /* temporarily unused until cifs_symlink fixed */ extern int CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon, - const char *fileName, const int disposition, - const int access_flags, const int omode, - __u16 *netfid, int *pOplock, FILE_ALL_INFO *, - const struct nls_table *nls_codepage, int remap); + const char *file_name, const int disposition, + const int access_flags, const int share_flags, + const int omode, __u16 *netfid, int *oplock, + FILE_ALL_INFO *, const struct nls_table *nls_codepage, + int remap); extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon, const char *fileName, const int disposition, const int access_flags, const int omode, diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 76d0d29..9c4632f 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1289,10 +1289,11 @@ OldOpenRetry: int CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon, - const char *fileName, const int openDisposition, - const int access_flags, const int create_options, __u16 *netfid, - int *pOplock, FILE_ALL_INFO *pfile_info, - const struct nls_table *nls_codepage, int remap) + const char *file_name, const int disposition, + const int access_flags, const int share_flags, + const int create_options, __u16 *netfid, int *oplock, + FILE_ALL_INFO *file_info, const struct nls_table *nls_codepage, + int remap) { int rc = -EACCES; OPEN_REQ *pSMB = NULL; @@ -1313,26 +1314,28 @@ openRetry: count = 1; /* account for one byte pad to word boundary */ name_len = cifsConvertToUTF16((__le16 *) (pSMB->fileName + 1), - fileName, PATH_MAX, nls_codepage, remap); + file_name, PATH_MAX, nls_codepage, + remap); name_len++; /* trailing null */ name_len *= 2; pSMB->NameLength = cpu_to_le16(name_len); } else { /* BB improve check for buffer overruns BB */ count = 0; /* no pad */ - name_len = strnlen(fileName, PATH_MAX); + name_len = strnlen(file_name, PATH_MAX); name_len++; /* trailing null */ pSMB->NameLength = cpu_to_le16(name_len); - strncpy(pSMB->fileName, fileName, name_len); + strncpy(pSMB->fileName, file_name, name_len); } - if (*pOplock & REQ_OPLOCK) + if (*oplock & REQ_OPLOCK) pSMB->OpenFlags = cpu_to_le32(REQ_OPLOCK); - else if (*pOplock & REQ_BATCHOPLOCK) + else if (*oplock & REQ_BATCHOPLOCK) pSMB->OpenFlags = cpu_to_le32(REQ_BATCHOPLOCK); pSMB->DesiredAccess = cpu_to_le32(access_flags); pSMB->AllocationSize = 0; - /* set file as system file if special file such - as fifo and server expecting SFU style and - no Unix extensions */ + /* + * set file as system file if special file such as fifo and server + * expecting SFU style and no Unix extensions + */ if (create_options & CREATE_OPTION_SPECIAL) pSMB->FileAttributes = cpu_to_le32(ATTR_SYSTEM); else @@ -1347,8 +1350,8 @@ openRetry: if (create_options & CREATE_OPTION_READONLY) pSMB->FileAttributes |= cpu_to_le32(ATTR_READONLY); - pSMB->ShareAccess = cpu_to_le32(FILE_SHARE_ALL); - pSMB->CreateDisposition = cpu_to_le32(openDisposition); + pSMB->ShareAccess = cpu_to_le32(share_flags); + pSMB->CreateDisposition = cpu_to_le32(disposition); pSMB->CreateOptions = cpu_to_le32(create_options & CREATE_OPTIONS_MASK); /* BB Expirement with various impersonation levels and verify */ pSMB->ImpersonationLevel = cpu_to_le32(SECURITY_IMPERSONATION); @@ -1366,20 +1369,20 @@ openRetry: if (rc) { cFYI(1, "Error in Open = %d", rc); } else { - *pOplock = pSMBr->OplockLevel; /* 1 byte no need to le_to_cpu */ + *oplock = pSMBr->OplockLevel; /* 1 byte no need to le_to_cpu */ *netfid = pSMBr->Fid; /* cifs fid stays in le */ /* Let caller know file was created so we can set the mode. */ /* Do we care about the CreateAction in any other cases? */ if (cpu_to_le32(FILE_CREATE) == pSMBr->CreateAction) - *pOplock |= CIFS_CREATE_ACTION; - if (pfile_info) { - memcpy((char *)pfile_info, (char *)&pSMBr->CreationTime, + *oplock |= CIFS_CREATE_ACTION; + if (file_info) { + memcpy((char *)file_info, (char *)&pSMBr->CreationTime, 36 /* CreationTime to Attributes */); /* the file_info buf is endian converted by caller */ - pfile_info->AllocationSize = pSMBr->AllocationSize; - pfile_info->EndOfFile = pSMBr->EndOfFile; - pfile_info->NumberOfLinks = cpu_to_le32(1); - pfile_info->DeletePending = 0; + file_info->AllocationSize = pSMBr->AllocationSize; + file_info->EndOfFile = pSMBr->EndOfFile; + file_info->NumberOfLinks = cpu_to_le32(1); + file_info->DeletePending = 0; } } diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 8719bbe..6975072 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -203,6 +203,7 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, FILE_ALL_INFO *buf = NULL; struct inode *newinode = NULL; int disposition; + int share_access; struct TCP_Server_Info *server = tcon->ses->server; *oplock = 0; @@ -293,6 +294,8 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, else cFYI(1, "Create flag not set in create function"); + share_access = cifs_get_share_flags(oflags); + /* * BB add processing to set equivalent of mode - e.g. via CreateX with * ACLs @@ -320,8 +323,8 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, create_options |= CREATE_OPEN_BACKUP_INTENT; rc = server->ops->open(xid, tcon, full_path, disposition, - desired_access, create_options, fid, oplock, - buf, cifs_sb); + desired_access, share_access, create_options, + fid, oplock, buf, cifs_sb); if (rc) { cFYI(1, "cifs_create returned 0x%x", rc); goto out; @@ -626,9 +629,9 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode, if (backup_cred(cifs_sb)) create_options |= CREATE_OPEN_BACKUP_INTENT; - rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_CREATE, - GENERIC_WRITE, create_options, - &fileHandle, &oplock, buf, cifs_sb->local_nls, + rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_CREATE, GENERIC_WRITE, + FILE_SHARE_ALL, create_options, &fileHandle, &oplock, + buf, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc) goto mknod_out; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 8ea6ca5..3ad484c 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -174,6 +174,7 @@ cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb, { int rc; int desired_access; + int share_access; int disposition; int create_options = CREATE_NOT_DIR; FILE_ALL_INFO *buf; @@ -209,6 +210,7 @@ cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb, *********************************************************************/ disposition = cifs_get_disposition(f_flags); + share_access = cifs_get_share_flags(f_flags); /* BB pass O_SYNC flag through on file attributes .. BB */ @@ -220,8 +222,8 @@ cifs_nt_open(char *full_path, struct inode *inode, struct cifs_sb_info *cifs_sb, create_options |= CREATE_OPEN_BACKUP_INTENT; rc = server->ops->open(xid, tcon, full_path, disposition, - desired_access, create_options, fid, oplock, buf, - cifs_sb); + desired_access, share_access, create_options, + fid, oplock, buf, cifs_sb); if (rc) goto out; @@ -579,6 +581,7 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush) struct inode *inode; char *full_path = NULL; int desired_access; + int share_access; int disposition = FILE_OPEN; int create_options = CREATE_NOT_DIR; struct cifs_fid fid; @@ -643,6 +646,7 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush) } desired_access = cifs_convert_flags(cfile->f_flags); + share_access = cifs_get_share_flags(cfile->f_flags); if (backup_cred(cifs_sb)) create_options |= CREATE_OPEN_BACKUP_INTENT; @@ -658,8 +662,8 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush) * not dirty locally we could do this. */ rc = server->ops->open(xid, tcon, full_path, disposition, - desired_access, create_options, &fid, &oplock, - NULL, cifs_sb); + desired_access, share_access, create_options, + &fid, &oplock, NULL, cifs_sb); if (rc) { mutex_unlock(&cfile->fh_mutex); cFYI(1, "cifs_reopen returned 0x%x", rc); diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index ed6208f..a497dfa 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -396,8 +396,8 @@ cifs_sfu_type(struct cifs_fattr *fattr, const unsigned char *path, tcon = tlink_tcon(tlink); rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, GENERIC_READ, - CREATE_NOT_DIR, &netfid, &oplock, NULL, - cifs_sb->local_nls, + FILE_SHARE_ALL, CREATE_NOT_DIR, &netfid, &oplock, + NULL, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc == 0) { @@ -987,8 +987,9 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry, tcon = tlink_tcon(tlink); rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN, - DELETE|FILE_WRITE_ATTRIBUTES, CREATE_NOT_DIR, - &netfid, &oplock, NULL, cifs_sb->local_nls, + DELETE|FILE_WRITE_ATTRIBUTES, FILE_SHARE_ALL, + CREATE_NOT_DIR, &netfid, &oplock, NULL, + cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc != 0) goto out; @@ -1509,7 +1510,7 @@ cifs_do_rename(const unsigned int xid, struct dentry *from_dentry, /* open the file to be renamed -- we need DELETE perms */ rc = CIFSSMBOpen(xid, tcon, from_path, FILE_OPEN, DELETE, - CREATE_NOT_DIR, &srcfid, &oplock, NULL, + FILE_SHARE_ALL, CREATE_NOT_DIR, &srcfid, &oplock, NULL, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc == 0) { diff --git a/fs/cifs/link.c b/fs/cifs/link.c index 51dc2fb..9b4f0db 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -212,7 +212,7 @@ CIFSCreateMFSymLink(const unsigned int xid, struct cifs_tcon *tcon, create_options |= CREATE_OPEN_BACKUP_INTENT; rc = CIFSSMBOpen(xid, tcon, fromName, FILE_CREATE, GENERIC_WRITE, - create_options, &netfid, &oplock, NULL, + FILE_SHARE_ALL, create_options, &netfid, &oplock, NULL, nls_codepage, remap); if (rc != 0) { kfree(buf); @@ -254,8 +254,8 @@ CIFSQueryMFSymLink(const unsigned int xid, struct cifs_tcon *tcon, FILE_ALL_INFO file_info; rc = CIFSSMBOpen(xid, tcon, searchName, FILE_OPEN, GENERIC_READ, - CREATE_NOT_DIR, &netfid, &oplock, &file_info, - nls_codepage, remap); + FILE_SHARE_ALL, CREATE_NOT_DIR, &netfid, &oplock, + &file_info, nls_codepage, remap); if (rc != 0) return rc; @@ -332,8 +332,8 @@ CIFSCheckMFSymlink(struct cifs_fattr *fattr, pTcon = tlink_tcon(tlink); rc = CIFSSMBOpen(xid, pTcon, path, FILE_OPEN, GENERIC_READ, - CREATE_NOT_DIR, &netfid, &oplock, &file_info, - cifs_sb->local_nls, + FILE_SHARE_ALL, CREATE_NOT_DIR, &netfid, &oplock, + &file_info, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc != 0) diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index cdd6ff4..726b52e 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -224,7 +224,7 @@ int get_symlink_reparse_path(char *full_path, struct cifs_sb_info *cifs_sb, char *tmpbuffer; rc = CIFSSMBOpen(xid, ptcon, full_path, FILE_OPEN, GENERIC_READ, - OPEN_REPARSE_POINT, &fid, &oplock, NULL, + FILE_SHARE_ALL, OPEN_REPARSE_POINT, &fid, &oplock, NULL, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (!rc) { diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index 47bc5a8..d782209 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -671,9 +671,9 @@ cifs_mkdir_setinfo(struct inode *inode, const char *full_path, static int cifs_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path, - int disposition, int desired_access, int create_options, - struct cifs_fid *fid, __u32 *oplock, FILE_ALL_INFO *buf, - struct cifs_sb_info *cifs_sb) + int disposition, int desired_access, int share_access, + int create_options, struct cifs_fid *fid, __u32 *oplock, + FILE_ALL_INFO *buf, struct cifs_sb_info *cifs_sb) { if (!(tcon->ses->capabilities & CAP_NT_SMBS)) return SMBLegacyOpen(xid, tcon, path, disposition, @@ -682,8 +682,8 @@ cifs_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); return CIFSSMBOpen(xid, tcon, path, disposition, desired_access, - create_options, &fid->netfid, oplock, buf, - cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & + share_access, create_options, &fid->netfid, oplock, + buf, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); } @@ -779,8 +779,9 @@ smb_set_file_info(struct inode *inode, const char *full_path, cFYI(1, "calling SetFileInfo since SetPathInfo for times not supported " "by this server"); rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN, - SYNCHRONIZE | FILE_WRITE_ATTRIBUTES, CREATE_NOT_DIR, - &netfid, &oplock, NULL, cifs_sb->local_nls, + SYNCHRONIZE | FILE_WRITE_ATTRIBUTES, FILE_SHARE_ALL, + CREATE_NOT_DIR, &netfid, &oplock, NULL, + cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); if (rc != 0) { diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c index 71e6aed..7dfb50c 100644 --- a/fs/cifs/smb2file.c +++ b/fs/cifs/smb2file.c @@ -58,9 +58,9 @@ smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock) int smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path, - int disposition, int desired_access, int create_options, - struct cifs_fid *fid, __u32 *oplock, FILE_ALL_INFO *buf, - struct cifs_sb_info *cifs_sb) + int disposition, int desired_access, int share_access, + int create_options, struct cifs_fid *fid, __u32 *oplock, + FILE_ALL_INFO *buf, struct cifs_sb_info *cifs_sb) { int rc; __le16 *smb2_path; @@ -87,8 +87,8 @@ smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path, memcpy(smb2_oplock + 1, fid->lease_key, SMB2_LEASE_KEY_SIZE); rc = SMB2_open(xid, tcon, smb2_path, &fid->persistent_fid, - &fid->volatile_fid, desired_access, disposition, - 0, 0, smb2_oplock, smb2_data); + &fid->volatile_fid, desired_access, share_access, + disposition, 0, 0, smb2_oplock, smb2_data); if (rc) goto out; diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c index 7064824..6af174a 100644 --- a/fs/cifs/smb2inode.c +++ b/fs/cifs/smb2inode.c @@ -54,8 +54,8 @@ smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon, return -ENOMEM; rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid, - desired_access, create_disposition, file_attributes, - create_options, &oplock, NULL); + desired_access, FILE_SHARE_ALL, create_disposition, + file_attributes, create_options, &oplock, NULL); if (rc) { kfree(utf16_path); return rc; diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index c9c7aa7..dc38434 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -222,7 +222,8 @@ smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, return -ENOMEM; rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid, - FILE_READ_ATTRIBUTES, FILE_OPEN, 0, 0, &oplock, NULL); + FILE_READ_ATTRIBUTES, FILE_SHARE_ALL, FILE_OPEN, 0, 0, + &oplock, NULL); if (rc) { kfree(utf16_path); return rc; @@ -432,8 +433,8 @@ smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, return -ENOMEM; rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid, - FILE_READ_ATTRIBUTES | FILE_READ_DATA, FILE_OPEN, 0, 0, - &oplock, NULL); + FILE_READ_ATTRIBUTES | FILE_READ_DATA, FILE_SHARE_ALL, + FILE_OPEN, 0, 0, &oplock, NULL); kfree(utf16_path); if (rc) { cERROR(1, "open dir failed"); @@ -515,7 +516,8 @@ smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon, u8 oplock = SMB2_OPLOCK_LEVEL_NONE; rc = SMB2_open(xid, tcon, &srch_path, &persistent_fid, &volatile_fid, - FILE_READ_ATTRIBUTES, FILE_OPEN, 0, 0, &oplock, NULL); + FILE_READ_ATTRIBUTES, FILE_SHARE_ALL, FILE_OPEN, 0, 0, + &oplock, NULL); if (rc) return rc; buf->f_type = SMB2_MAGIC_NUMBER; diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 41d9d07..45fa2dc 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -910,8 +910,8 @@ parse_lease_state(struct smb2_create_rsp *rsp) int SMB2_open(const unsigned int xid, struct cifs_tcon *tcon, __le16 *path, u64 *persistent_fid, u64 *volatile_fid, __u32 desired_access, - __u32 create_disposition, __u32 file_attributes, __u32 create_options, - __u8 *oplock, struct smb2_file_all_info *buf) + __u32 share_access, __u32 create_disposition, __u32 file_attributes, + __u32 create_options, __u8 *oplock, struct smb2_file_all_info *buf) { struct smb2_create_req *req; struct smb2_create_rsp *rsp; @@ -940,7 +940,7 @@ SMB2_open(const unsigned int xid, struct cifs_tcon *tcon, __le16 *path, req->DesiredAccess = cpu_to_le32(desired_access); /* File attributes ignored on open (used in create though) */ req->FileAttributes = cpu_to_le32(file_attributes); - req->ShareAccess = FILE_SHARE_ALL_LE; + req->ShareAccess = cpu_to_le32(share_access); req->CreateDisposition = cpu_to_le32(create_disposition); req->CreateOptions = cpu_to_le32(create_options); uni_path_len = (2 * UniStrnlen((wchar_t *)path, PATH_MAX)) + 2; diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h index 2aa3535..edff8f6 100644 --- a/fs/cifs/smb2proto.h +++ b/fs/cifs/smb2proto.h @@ -86,9 +86,10 @@ extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon, extern int smb2_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *full_path, int disposition, - int desired_access, int create_options, - struct cifs_fid *fid, __u32 *oplock, - FILE_ALL_INFO *buf, struct cifs_sb_info *cifs_sb); + int desired_access, int share_access, + int create_options, struct cifs_fid *fid, + __u32 *oplock, FILE_ALL_INFO *buf, + struct cifs_sb_info *cifs_sb); extern void smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock); extern int smb2_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock, const unsigned int xid); @@ -108,9 +109,10 @@ extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon); extern int SMB2_open(const unsigned int xid, struct cifs_tcon *tcon, __le16 *path, u64 *persistent_fid, u64 *volatile_fid, - __u32 desired_access, __u32 create_disposition, - __u32 file_attributes, __u32 create_options, - __u8 *oplock, struct smb2_file_all_info *buf); + __u32 desired_access, __u32 share_access, + __u32 create_disposition, __u32 file_attributes, + __u32 create_options, __u8 *oplock, + struct smb2_file_all_info *buf); extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_file_id, u64 volatile_file_id); extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
Make CIFSSMBOpen take share_flags as a parm that allows us to pass new O_DENY* flags to the server. Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru> --- fs/cifs/cifsacl.c | 6 ++++-- fs/cifs/cifsglob.h | 12 +++++++++++- fs/cifs/cifsproto.h | 9 +++++---- fs/cifs/cifssmb.c | 47 +++++++++++++++++++++++++---------------------- fs/cifs/dir.c | 13 ++++++++----- fs/cifs/file.c | 12 ++++++++---- fs/cifs/inode.c | 11 ++++++----- fs/cifs/link.c | 10 +++++----- fs/cifs/readdir.c | 2 +- fs/cifs/smb1ops.c | 15 ++++++++------- fs/cifs/smb2file.c | 10 +++++----- fs/cifs/smb2inode.c | 4 ++-- fs/cifs/smb2ops.c | 10 ++++++---- fs/cifs/smb2pdu.c | 6 +++--- fs/cifs/smb2proto.h | 14 ++++++++------ 15 files changed, 105 insertions(+), 76 deletions(-)