diff options
Diffstat (limited to 'fs/cifs/smb2ops.c')
-rw-r--r-- | fs/cifs/smb2ops.c | 785 |
1 files changed, 785 insertions, 0 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index f065e89756a1..f259e6cc8357 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -17,11 +17,796 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <linux/pagemap.h> +#include <linux/vfs.h> #include "cifsglob.h" +#include "smb2pdu.h" +#include "smb2proto.h" +#include "cifsproto.h" +#include "cifs_debug.h" +#include "smb2status.h" +#include "smb2glob.h" + +static int +change_conf(struct TCP_Server_Info *server) +{ + server->credits += server->echo_credits + server->oplock_credits; + server->oplock_credits = server->echo_credits = 0; + switch (server->credits) { + case 0: + return -1; + case 1: + server->echoes = false; + server->oplocks = false; + cifs_dbg(VFS, "disabling echoes and oplocks\n"); + break; + case 2: + server->echoes = true; + server->oplocks = false; + server->echo_credits = 1; + cifs_dbg(FYI, "disabling oplocks\n"); + break; + default: + server->echoes = true; + server->oplocks = true; + server->echo_credits = 1; + server->oplock_credits = 1; + } + server->credits -= server->echo_credits + server->oplock_credits; + return 0; +} + +static void +smb2_add_credits(struct TCP_Server_Info *server, const unsigned int add, + const int optype) +{ + int *val, rc = 0; + spin_lock(&server->req_lock); + val = server->ops->get_credits_field(server, optype); + *val += add; + server->in_flight--; + if (server->in_flight == 0 && (optype & CIFS_OP_MASK) != CIFS_NEG_OP) + rc = change_conf(server); + /* + * Sometimes server returns 0 credits on oplock break ack - we need to + * rebalance credits in this case. + */ + else if (server->in_flight > 0 && server->oplock_credits == 0 && + server->oplocks) { + if (server->credits > 1) { + server->credits--; + server->oplock_credits++; + } + } + spin_unlock(&server->req_lock); + wake_up(&server->request_q); + if (rc) + cifs_reconnect(server); +} + +static void +smb2_set_credits(struct TCP_Server_Info *server, const int val) +{ + spin_lock(&server->req_lock); + server->credits = val; + spin_unlock(&server->req_lock); +} + +static int * +smb2_get_credits_field(struct TCP_Server_Info *server, const int optype) +{ + switch (optype) { + case CIFS_ECHO_OP: + return &server->echo_credits; + case CIFS_OBREAK_OP: + return &server->oplock_credits; + default: + return &server->credits; + } +} + +static unsigned int +smb2_get_credits(struct mid_q_entry *mid) +{ + return le16_to_cpu(((struct smb2_hdr *)mid->resp_buf)->CreditRequest); +} + +static __u64 +smb2_get_next_mid(struct TCP_Server_Info *server) +{ + __u64 mid; + /* for SMB2 we need the current value */ + spin_lock(&GlobalMid_Lock); + mid = server->CurrentMid++; + spin_unlock(&GlobalMid_Lock); + return mid; +} + +static struct mid_q_entry * +smb2_find_mid(struct TCP_Server_Info *server, char *buf) +{ + struct mid_q_entry *mid; + struct smb2_hdr *hdr = (struct smb2_hdr *)buf; + + spin_lock(&GlobalMid_Lock); + list_for_each_entry(mid, &server->pending_mid_q, qhead) { + if ((mid->mid == hdr->MessageId) && + (mid->mid_state == MID_REQUEST_SUBMITTED) && + (mid->command == hdr->Command)) { + spin_unlock(&GlobalMid_Lock); + return mid; + } + } + spin_unlock(&GlobalMid_Lock); + return NULL; +} + +static void +smb2_dump_detail(void *buf) +{ +#ifdef CONFIG_CIFS_DEBUG2 + struct smb2_hdr *smb = (struct smb2_hdr *)buf; + + cifs_dbg(VFS, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d\n", + smb->Command, smb->Status, smb->Flags, smb->MessageId, + smb->ProcessId); + cifs_dbg(VFS, "smb buf %p len %u\n", smb, smb2_calc_size(smb)); +#endif +} + +static bool +smb2_need_neg(struct TCP_Server_Info *server) +{ + return server->max_read == 0; +} + +static int +smb2_negotiate(const unsigned int xid, struct cifs_ses *ses) +{ + int rc; + ses->server->CurrentMid = 0; + rc = SMB2_negotiate(xid, ses); + /* BB we probably don't need to retry with modern servers */ + if (rc == -EAGAIN) + rc = -EHOSTDOWN; + return rc; +} + +static unsigned int +smb2_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) +{ + struct TCP_Server_Info *server = tcon->ses->server; + unsigned int wsize; + + /* start with specified wsize, or default */ + wsize = volume_info->wsize ? volume_info->wsize : CIFS_DEFAULT_IOSIZE; + wsize = min_t(unsigned int, wsize, server->max_write); + /* + * limit write size to 2 ** 16, because we don't support multicredit + * requests now. + */ + wsize = min_t(unsigned int, wsize, 2 << 15); + + return wsize; +} + +static unsigned int +smb2_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) +{ + struct TCP_Server_Info *server = tcon->ses->server; + unsigned int rsize; + + /* start with specified rsize, or default */ + rsize = volume_info->rsize ? volume_info->rsize : CIFS_DEFAULT_IOSIZE; + rsize = min_t(unsigned int, rsize, server->max_read); + /* + * limit write size to 2 ** 16, because we don't support multicredit + * requests now. + */ + rsize = min_t(unsigned int, rsize, 2 << 15); + + return rsize; +} + +static int +smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, const char *full_path) +{ + int rc; + __le16 *utf16_path; + __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; + struct cifs_open_parms oparms; + struct cifs_fid fid; + + utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); + if (!utf16_path) + return -ENOMEM; + + oparms.tcon = tcon; + oparms.desired_access = FILE_READ_ATTRIBUTES; + oparms.disposition = FILE_OPEN; + oparms.create_options = 0; + oparms.fid = &fid; + oparms.reconnect = false; + + rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL); + if (rc) { + kfree(utf16_path); + return rc; + } + + rc = SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); + kfree(utf16_path); + return rc; +} + +static int +smb2_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, const char *full_path, + u64 *uniqueid, FILE_ALL_INFO *data) +{ + *uniqueid = le64_to_cpu(data->IndexNumber); + return 0; +} + +static int +smb2_query_file_info(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_fid *fid, FILE_ALL_INFO *data) +{ + int rc; + struct smb2_file_all_info *smb2_data; + + smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + MAX_NAME * 2, + GFP_KERNEL); + if (smb2_data == NULL) + return -ENOMEM; + + rc = SMB2_query_info(xid, tcon, fid->persistent_fid, fid->volatile_fid, + smb2_data); + if (!rc) + move_smb2_info_to_cifs(data, smb2_data); + kfree(smb2_data); + return rc; +} + +static bool +smb2_can_echo(struct TCP_Server_Info *server) +{ + return server->echoes; +} + +static void +smb2_clear_stats(struct cifs_tcon *tcon) +{ +#ifdef CONFIG_CIFS_STATS + int i; + for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) { + atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0); + atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0); + } +#endif +} + +static void +smb2_dump_share_caps(struct seq_file *m, struct cifs_tcon *tcon) +{ + seq_puts(m, "\n\tShare Capabilities:"); + if (tcon->capabilities & SMB2_SHARE_CAP_DFS) + seq_puts(m, " DFS,"); + if (tcon->capabilities & SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY) + seq_puts(m, " CONTINUOUS AVAILABILITY,"); + if (tcon->capabilities & SMB2_SHARE_CAP_SCALEOUT) + seq_puts(m, " SCALEOUT,"); + if (tcon->capabilities & SMB2_SHARE_CAP_CLUSTER) + seq_puts(m, " CLUSTER,"); + if (tcon->capabilities & SMB2_SHARE_CAP_ASYMMETRIC) + seq_puts(m, " ASYMMETRIC,"); + if (tcon->capabilities == 0) + seq_puts(m, " None"); + seq_printf(m, "\tShare Flags: 0x%x", tcon->share_flags); +} + +static void +smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon) +{ +#ifdef CONFIG_CIFS_STATS + atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent; + atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed; + seq_printf(m, "\nNegotiates: %d sent %d failed", + atomic_read(&sent[SMB2_NEGOTIATE_HE]), + atomic_read(&failed[SMB2_NEGOTIATE_HE])); + seq_printf(m, "\nSessionSetups: %d sent %d failed", + atomic_read(&sent[SMB2_SESSION_SETUP_HE]), + atomic_read(&failed[SMB2_SESSION_SETUP_HE])); + seq_printf(m, "\nLogoffs: %d sent %d failed", + atomic_read(&sent[SMB2_LOGOFF_HE]), + atomic_read(&failed[SMB2_LOGOFF_HE])); + seq_printf(m, "\nTreeConnects: %d sent %d failed", + atomic_read(&sent[SMB2_TREE_CONNECT_HE]), + atomic_read(&failed[SMB2_TREE_CONNECT_HE])); + seq_printf(m, "\nTreeDisconnects: %d sent %d failed", + atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]), + atomic_read(&failed[SMB2_TREE_DISCONNECT_HE])); + seq_printf(m, "\nCreates: %d sent %d failed", + atomic_read(&sent[SMB2_CREATE_HE]), + atomic_read(&failed[SMB2_CREATE_HE])); + seq_printf(m, "\nCloses: %d sent %d failed", + atomic_read(&sent[SMB2_CLOSE_HE]), + atomic_read(&failed[SMB2_CLOSE_HE])); + seq_printf(m, "\nFlushes: %d sent %d failed", + atomic_read(&sent[SMB2_FLUSH_HE]), + atomic_read(&failed[SMB2_FLUSH_HE])); + seq_printf(m, "\nReads: %d sent %d failed", + atomic_read(&sent[SMB2_READ_HE]), + atomic_read(&failed[SMB2_READ_HE])); + seq_printf(m, "\nWrites: %d sent %d failed", + atomic_read(&sent[SMB2_WRITE_HE]), + atomic_read(&failed[SMB2_WRITE_HE])); + seq_printf(m, "\nLocks: %d sent %d failed", + atomic_read(&sent[SMB2_LOCK_HE]), + atomic_read(&failed[SMB2_LOCK_HE])); + seq_printf(m, "\nIOCTLs: %d sent %d failed", + atomic_read(&sent[SMB2_IOCTL_HE]), + atomic_read(&failed[SMB2_IOCTL_HE])); + seq_printf(m, "\nCancels: %d sent %d failed", + atomic_read(&sent[SMB2_CANCEL_HE]), + atomic_read(&failed[SMB2_CANCEL_HE])); + seq_printf(m, "\nEchos: %d sent %d failed", + atomic_read(&sent[SMB2_ECHO_HE]), + atomic_read(&failed[SMB2_ECHO_HE])); + seq_printf(m, "\nQueryDirectories: %d sent %d failed", + atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]), + atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE])); + seq_printf(m, "\nChangeNotifies: %d sent %d failed", + atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]), + atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE])); + seq_printf(m, "\nQueryInfos: %d sent %d failed", + atomic_read(&sent[SMB2_QUERY_INFO_HE]), + atomic_read(&failed[SMB2_QUERY_INFO_HE])); + seq_printf(m, "\nSetInfos: %d sent %d failed", + atomic_read(&sent[SMB2_SET_INFO_HE]), + atomic_read(&failed[SMB2_SET_INFO_HE])); + seq_printf(m, "\nOplockBreaks: %d sent %d failed", + atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]), + atomic_read(&failed[SMB2_OPLOCK_BREAK_HE])); +#endif +} + +static void +smb2_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock) +{ + struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode); + cfile->fid.persistent_fid = fid->persistent_fid; + cfile->fid.volatile_fid = fid->volatile_fid; + smb2_set_oplock_level(cinode, oplock); + cinode->can_cache_brlcks = cinode->clientCanCacheAll; +} + +static void +smb2_close_file(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_fid *fid) +{ + SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); +} + +static int +smb2_flush_file(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_fid *fid) +{ + return SMB2_flush(xid, tcon, fid->persistent_fid, fid->volatile_fid); +} + +static unsigned int +smb2_read_data_offset(char *buf) +{ + struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf; + return rsp->DataOffset; +} + +static unsigned int +smb2_read_data_length(char *buf) +{ + struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf; + return le32_to_cpu(rsp->DataLength); +} + + +static int +smb2_sync_read(const unsigned int xid, struct cifsFileInfo *cfile, + struct cifs_io_parms *parms, unsigned int *bytes_read, + char **buf, int *buf_type) +{ + parms->persistent_fid = cfile->fid.persistent_fid; + parms->volatile_fid = cfile->fid.volatile_fid; + return SMB2_read(xid, parms, bytes_read, buf, buf_type); +} + +static int +smb2_sync_write(const unsigned int xid, struct cifsFileInfo *cfile, + struct cifs_io_parms *parms, unsigned int *written, + struct kvec *iov, unsigned long nr_segs) +{ + + parms->persistent_fid = cfile->fid.persistent_fid; + parms->volatile_fid = cfile->fid.volatile_fid; + return SMB2_write(xid, parms, written, iov, nr_segs); +} + +static int +smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon, + struct cifsFileInfo *cfile, __u64 size, bool set_alloc) +{ + __le64 eof = cpu_to_le64(size); + return SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid, + cfile->fid.volatile_fid, cfile->pid, &eof); +} + +static int +smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, + const char *path, struct cifs_sb_info *cifs_sb, + struct cifs_fid *fid, __u16 search_flags, + struct cifs_search_info *srch_inf) +{ + __le16 *utf16_path; + int rc; + __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; + struct cifs_open_parms oparms; + + utf16_path = cifs_convert_path_to_utf16(path, cifs_sb); + if (!utf16_path) + return -ENOMEM; + + oparms.tcon = tcon; + oparms.desired_access = FILE_READ_ATTRIBUTES | FILE_READ_DATA; + oparms.disposition = FILE_OPEN; + oparms.create_options = 0; + oparms.fid = fid; + oparms.reconnect = false; + + rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL); + kfree(utf16_path); + if (rc) { + cifs_dbg(VFS, "open dir failed\n"); + return rc; + } + + srch_inf->entries_in_buffer = 0; + srch_inf->index_of_last_entry = 0; + + rc = SMB2_query_directory(xid, tcon, fid->persistent_fid, + fid->volatile_fid, 0, srch_inf); + if (rc) { + cifs_dbg(VFS, "query directory failed\n"); + SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); + } + return rc; +} + +static int +smb2_query_dir_next(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_fid *fid, __u16 search_flags, + struct cifs_search_info *srch_inf) +{ + return SMB2_query_directory(xid, tcon, fid->persistent_fid, + fid->volatile_fid, 0, srch_inf); +} + +static int +smb2_close_dir(const unsigned int xid, struct cifs_tcon *tcon, + struct cifs_fid *fid) +{ + return SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); +} + +/* +* If we negotiate SMB2 protocol and get STATUS_PENDING - update +* the number of credits and return true. Otherwise - return false. +*/ +static bool +smb2_is_status_pending(char *buf, struct TCP_Server_Info *server, int length) +{ + struct smb2_hdr *hdr = (struct smb2_hdr *)buf; + + if (hdr->Status != STATUS_PENDING) + return false; + + if (!length) { + spin_lock(&server->req_lock); + server->credits += le16_to_cpu(hdr->CreditRequest); + spin_unlock(&server->req_lock); + wake_up(&server->request_q); + } + + return true; +} + +static int +smb2_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid, + struct cifsInodeInfo *cinode) +{ + if (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING) + return SMB2_lease_break(0, tcon, cinode->lease_key, + smb2_get_lease_state(cinode)); + + return SMB2_oplock_break(0, tcon, fid->persistent_fid, + fid->volatile_fid, + cinode->clientCanCacheRead ? 1 : 0); +} + +static int +smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon, + struct kstatfs *buf) +{ + int rc; + __le16 srch_path = 0; /* Null - open root of share */ + u8 oplock = SMB2_OPLOCK_LEVEL_NONE; + struct cifs_open_parms oparms; + struct cifs_fid fid; + + oparms.tcon = tcon; + oparms.desired_access = FILE_READ_ATTRIBUTES; + oparms.disposition = FILE_OPEN; + oparms.create_options = 0; + oparms.fid = &fid; + oparms.reconnect = false; + + rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL); + if (rc) + return rc; + buf->f_type = SMB2_MAGIC_NUMBER; + rc = SMB2_QFS_info(xid, tcon, fid.persistent_fid, fid.volatile_fid, + buf); + SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); + return rc; +} + +static bool +smb2_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2) +{ + return ob1->fid.persistent_fid == ob2->fid.persistent_fid && + ob1->fid.volatile_fid == ob2->fid.volatile_fid; +} + +static int +smb2_mand_lock(const unsigned int xid, struct cifsFileInfo *cfile, __u64 offset, + __u64 length, __u32 type, int lock, int unlock, bool wait) +{ + if (unlock && !lock) + type = SMB2_LOCKFLAG_UNLOCK; + return SMB2_lock(xid, tlink_tcon(cfile->tlink), + cfile->fid.persistent_fid, cfile->fid.volatile_fid, + current->tgid, length, offset, type, wait); +} + +static void +smb2_get_lease_key(struct inode *inode, struct cifs_fid *fid) +{ + memcpy(fid->lease_key, CIFS_I(inode)->lease_key, SMB2_LEASE_KEY_SIZE); +} + +static void +smb2_set_lease_key(struct inode *inode, struct cifs_fid *fid) +{ + memcpy(CIFS_I(inode)->lease_key, fid->lease_key, SMB2_LEASE_KEY_SIZE); +} + +static void +smb2_new_lease_key(struct cifs_fid *fid) +{ + get_random_bytes(fid->lease_key, SMB2_LEASE_KEY_SIZE); +} struct smb_version_operations smb21_operations = { + .compare_fids = smb2_compare_fids, + .setup_request = smb2_setup_request, + .setup_async_request = smb2_setup_async_request, + .check_receive = smb2_check_receive, + .add_credits = smb2_add_credits, + .set_credits = smb2_set_credits, + .get_credits_field = smb2_get_credits_field, + .get_credits = smb2_get_credits, + .get_next_mid = smb2_get_next_mid, + .read_data_offset = smb2_read_data_offset, + .read_data_length = smb2_read_data_length, + .map_error = map_smb2_to_linux_error, + .find_mid = smb2_find_mid, + .check_message = smb2_check_message, + .dump_detail = smb2_dump_detail, + .clear_stats = smb2_clear_stats, + .print_stats = smb2_print_stats, + .is_oplock_break = smb2_is_valid_oplock_break, + .need_neg = smb2_need_neg, + .negotiate = smb2_negotiate, + .negotiate_wsize = smb2_negotiate_wsize, + .negotiate_rsize = smb2_negotiate_rsize, + .sess_setup = SMB2_sess_setup, + .logoff = SMB2_logoff, + .tree_connect = SMB2_tcon, + .tree_disconnect = SMB2_tdis, + .is_path_accessible = smb2_is_path_accessible, + .can_echo = smb2_can_echo, + .echo = SMB2_echo, + .query_path_info = smb2_query_path_info, + .get_srv_inum = smb2_get_srv_inum, + .query_file_info = smb2_query_file_info, + .set_path_size = smb2_set_path_size, + .set_file_size = smb2_set_file_size, + .set_file_info = smb2_set_file_info, + .mkdir = smb2_mkdir, + .mkdir_setinfo = smb2_mkdir_setinfo, + .rmdir = smb2_rmdir, + .unlink = smb2_unlink, + .rename = smb2_rename_path, + .create_hardlink = smb2_create_hardlink, + .open = smb2_open_file, + .set_fid = smb2_set_fid, + .close = smb2_close_file, + .flush = smb2_flush_file, + .async_readv = smb2_async_readv, + .async_writev = smb2_async_writev, + .sync_read = smb2_sync_read, + .sync_write = smb2_sync_write, + .query_dir_first = smb2_query_dir_first, + .query_dir_next = smb2_query_dir_next, + .close_dir = smb2_close_dir, + .calc_smb_size = smb2_calc_size, + .is_status_pending = smb2_is_status_pending, + .oplock_response = smb2_oplock_response, + .queryfs = smb2_queryfs, + .mand_lock = smb2_mand_lock, + .mand_unlock_range = smb2_unlock_range, + .push_mand_locks = smb2_push_mandatory_locks, + .get_lease_key = smb2_get_lease_key, + .set_lease_key = smb2_set_lease_key, + .new_lease_key = smb2_new_lease_key, + .calc_signature = smb2_calc_signature, +}; + + +struct smb_version_operations smb30_operations = { + .compare_fids = smb2_compare_fids, + .setup_request = smb2_setup_request, + .setup_async_request = smb2_setup_async_request, + .check_receive = smb2_check_receive, + .add_credits = smb2_add_credits, + .set_credits = smb2_set_credits, + .get_credits_field = smb2_get_credits_field, + .get_credits = smb2_get_credits, + .get_next_mid = smb2_get_next_mid, + .read_data_offset = smb2_read_data_offset, + .read_data_length = smb2_read_data_length, + .map_error = map_smb2_to_linux_error, + .find_mid = smb2_find_mid, + .check_message = smb2_check_message, + .dump_detail = smb2_dump_detail, + .clear_stats = smb2_clear_stats, + .print_stats = smb2_print_stats, + .dump_share_caps = smb2_dump_share_caps, + .is_oplock_break = smb2_is_valid_oplock_break, + .need_neg = smb2_need_neg, + .negotiate = smb2_negotiate, + .negotiate_wsize = smb2_negotiate_wsize, + .negotiate_rsize = smb2_negotiate_rsize, + .sess_setup = SMB2_sess_setup, + .logoff = SMB2_logoff, + .tree_connect = SMB2_tcon, + .tree_disconnect = SMB2_tdis, + .is_path_accessible = smb2_is_path_accessible, + .can_echo = smb2_can_echo, + .echo = SMB2_echo, + .query_path_info = smb2_query_path_info, + .get_srv_inum = smb2_get_srv_inum, + .query_file_info = smb2_query_file_info, + .set_path_size = smb2_set_path_size, + .set_file_size = smb2_set_file_size, + .set_file_info = smb2_set_file_info, + .mkdir = smb2_mkdir, + .mkdir_setinfo = smb2_mkdir_setinfo, + .rmdir = smb2_rmdir, + .unlink = smb2_unlink, + .rename = smb2_rename_path, + .create_hardlink = smb2_create_hardlink, + .open = smb2_open_file, + .set_fid = smb2_set_fid, + .close = smb2_close_file, + .flush = smb2_flush_file, + .async_readv = smb2_async_readv, + .async_writev = smb2_async_writev, + .sync_read = smb2_sync_read, + .sync_write = smb2_sync_write, + .query_dir_first = smb2_query_dir_first, + .query_dir_next = smb2_query_dir_next, + .close_dir = smb2_close_dir, + .calc_smb_size = smb2_calc_size, + .is_status_pending = smb2_is_status_pending, + .oplock_response = smb2_oplock_response, + .queryfs = smb2_queryfs, + .mand_lock = smb2_mand_lock, + .mand_unlock_range = smb2_unlock_range, + .push_mand_locks = smb2_push_mandatory_locks, + .get_lease_key = smb2_get_lease_key, + .set_lease_key = smb2_set_lease_key, + .new_lease_key = smb2_new_lease_key, + .generate_signingkey = generate_smb3signingkey, + .calc_signature = smb3_calc_signature, +}; + +struct smb_version_values smb20_values = { + .version_string = SMB20_VERSION_STRING, + .protocol_id = SMB20_PROT_ID, + .req_capabilities = 0, /* MBZ */ + .large_lock_type = 0, + .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, + .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, + .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, + .header_size = sizeof(struct smb2_hdr), + .max_header_size = MAX_SMB2_HDR_SIZE, + .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, + .lock_cmd = SMB2_LOCK, + .cap_unix = 0, + .cap_nt_find = SMB2_NT_FIND, + .cap_large_files = SMB2_LARGE_FILES, + .oplock_read = SMB2_OPLOCK_LEVEL_II, + .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, + .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, }; struct smb_version_values smb21_values = { .version_string = SMB21_VERSION_STRING, + .protocol_id = SMB21_PROT_ID, + .req_capabilities = 0, /* MBZ on negotiate req until SMB3 dialect */ + .large_lock_type = 0, + .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, + .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, + .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, + .header_size = sizeof(struct smb2_hdr), + .max_header_size = MAX_SMB2_HDR_SIZE, + .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, + .lock_cmd = SMB2_LOCK, + .cap_unix = 0, + .cap_nt_find = SMB2_NT_FIND, + .cap_large_files = SMB2_LARGE_FILES, + .oplock_read = SMB2_OPLOCK_LEVEL_II, + .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, + .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, +}; + +struct smb_version_values smb30_values = { + .version_string = SMB30_VERSION_STRING, + .protocol_id = SMB30_PROT_ID, + .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU, + .large_lock_type = 0, + .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, + .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, + .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, + .header_size = sizeof(struct smb2_hdr), + .max_header_size = MAX_SMB2_HDR_SIZE, + .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, + .lock_cmd = SMB2_LOCK, + .cap_unix = 0, + .cap_nt_find = SMB2_NT_FIND, + .cap_large_files = SMB2_LARGE_FILES, + .oplock_read = SMB2_OPLOCK_LEVEL_II, + .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, + .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, +}; + +struct smb_version_values smb302_values = { + .version_string = SMB302_VERSION_STRING, + .protocol_id = SMB302_PROT_ID, + .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU, + .large_lock_type = 0, + .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, + .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, + .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, + .header_size = sizeof(struct smb2_hdr), + .max_header_size = MAX_SMB2_HDR_SIZE, + .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, + .lock_cmd = SMB2_LOCK, + .cap_unix = 0, + .cap_nt_find = SMB2_NT_FIND, + .cap_large_files = SMB2_LARGE_FILES, + .oplock_read = SMB2_OPLOCK_LEVEL_II, + .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, + .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, }; 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