diff options
Diffstat (limited to 'fs/cifs/cifssmb.c')
| -rw-r--r-- | fs/cifs/cifssmb.c | 463 |
1 files changed, 361 insertions, 102 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 83df937b814e..1a9fe7f816d1 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -32,6 +32,7 @@ #include <linux/vfs.h> #include <linux/slab.h> #include <linux/posix_acl_xattr.h> +#include <linux/pagemap.h> #include <asm/uaccess.h> #include "cifspdu.h" #include "cifsglob.h" @@ -84,7 +85,7 @@ static struct { /* Mark as invalid, all open files on tree connections since they were closed when session to server was lost */ -static void mark_open_files_invalid(struct cifsTconInfo *pTcon) +static void mark_open_files_invalid(struct cifs_tcon *pTcon) { struct cifsFileInfo *open_file = NULL; struct list_head *tmp; @@ -104,10 +105,10 @@ static void mark_open_files_invalid(struct cifsTconInfo *pTcon) /* reconnect the socket, tcon, and smb session if needed */ static int -cifs_reconnect_tcon(struct cifsTconInfo *tcon, int smb_command) +cifs_reconnect_tcon(struct cifs_tcon *tcon, int smb_command) { int rc = 0; - struct cifsSesInfo *ses; + struct cifs_ses *ses; struct TCP_Server_Info *server; struct nls_table *nls_codepage; @@ -226,7 +227,7 @@ out: SMB information in the SMB header. If the return code is zero, this function must have filled in request_buf pointer */ static int -small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon, +small_smb_init(int smb_command, int wct, struct cifs_tcon *tcon, void **request_buf) { int rc; @@ -252,7 +253,7 @@ small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon, int small_smb_init_no_tc(const int smb_command, const int wct, - struct cifsSesInfo *ses, void **request_buf) + struct cifs_ses *ses, void **request_buf) { int rc; struct smb_hdr *buffer; @@ -278,7 +279,7 @@ small_smb_init_no_tc(const int smb_command, const int wct, /* If the return code is zero, this function must fill in request_buf pointer */ static int -__smb_init(int smb_command, int wct, struct cifsTconInfo *tcon, +__smb_init(int smb_command, int wct, struct cifs_tcon *tcon, void **request_buf, void **response_buf) { *request_buf = cifs_buf_get(); @@ -304,7 +305,7 @@ __smb_init(int smb_command, int wct, struct cifsTconInfo *tcon, /* If the return code is zero, this function must fill in request_buf pointer */ static int -smb_init(int smb_command, int wct, struct cifsTconInfo *tcon, +smb_init(int smb_command, int wct, struct cifs_tcon *tcon, void **request_buf, void **response_buf) { int rc; @@ -317,7 +318,7 @@ smb_init(int smb_command, int wct, struct cifsTconInfo *tcon, } static int -smb_init_no_reconnect(int smb_command, int wct, struct cifsTconInfo *tcon, +smb_init_no_reconnect(int smb_command, int wct, struct cifs_tcon *tcon, void **request_buf, void **response_buf) { if (tcon->ses->need_reconnect || tcon->need_reconnect) @@ -366,7 +367,7 @@ static inline void inc_rfc1001_len(void *pSMB, int count) } int -CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses) +CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses) { NEGOTIATE_REQ *pSMB; NEGOTIATE_RSP *pSMBr; @@ -450,7 +451,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses) rc = -EOPNOTSUPP; goto neg_err_exit; } - server->secMode = (__u8)le16_to_cpu(rsp->SecurityMode); + server->sec_mode = (__u8)le16_to_cpu(rsp->SecurityMode); server->maxReq = le16_to_cpu(rsp->MaxMpxCount); server->maxBuf = min((__u32)le16_to_cpu(rsp->MaxBufSize), (__u32)CIFSMaxBufSize + MAX_CIFS_HDR_SIZE); @@ -504,7 +505,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses) cpu_to_le16(CIFS_CRYPTO_KEY_SIZE)) { memcpy(ses->server->cryptkey, rsp->EncryptionKey, CIFS_CRYPTO_KEY_SIZE); - } else if (server->secMode & SECMODE_PW_ENCRYPT) { + } else if (server->sec_mode & SECMODE_PW_ENCRYPT) { rc = -EIO; /* need cryptkey unless plain text */ goto neg_err_exit; } @@ -526,11 +527,11 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses) goto neg_err_exit; } /* else wct == 17 NTLM */ - server->secMode = pSMBr->SecurityMode; - if ((server->secMode & SECMODE_USER) == 0) + server->sec_mode = pSMBr->SecurityMode; + if ((server->sec_mode & SECMODE_USER) == 0) cFYI(1, "share mode security"); - if ((server->secMode & SECMODE_PW_ENCRYPT) == 0) + if ((server->sec_mode & SECMODE_PW_ENCRYPT) == 0) #ifdef CONFIG_CIFS_WEAK_PW_HASH if ((secFlags & CIFSSEC_MAY_PLNTXT) == 0) #endif /* CIFS_WEAK_PW_HASH */ @@ -570,18 +571,10 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses) if (pSMBr->EncryptionKeyLength == CIFS_CRYPTO_KEY_SIZE) { memcpy(ses->server->cryptkey, pSMBr->u.EncryptionKey, CIFS_CRYPTO_KEY_SIZE); - } else if ((pSMBr->hdr.Flags2 & SMBFLG2_EXT_SEC) - && (pSMBr->EncryptionKeyLength == 0)) { + } else if ((pSMBr->hdr.Flags2 & SMBFLG2_EXT_SEC || + server->capabilities & CAP_EXTENDED_SECURITY) && + (pSMBr->EncryptionKeyLength == 0)) { /* decode security blob */ - } else if (server->secMode & SECMODE_PW_ENCRYPT) { - rc = -EIO; /* no crypt key only if plain text pwd */ - goto neg_err_exit; - } - - /* BB might be helpful to save off the domain of server here */ - - if ((pSMBr->hdr.Flags2 & SMBFLG2_EXT_SEC) && - (server->capabilities & CAP_EXTENDED_SECURITY)) { count = get_bcc(&pSMBr->hdr); if (count < 16) { rc = -EIO; @@ -624,6 +617,9 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses) } else rc = -EOPNOTSUPP; } + } else if (server->sec_mode & SECMODE_PW_ENCRYPT) { + rc = -EIO; /* no crypt key only if plain text pwd */ + goto neg_err_exit; } else server->capabilities &= ~CAP_EXTENDED_SECURITY; @@ -634,27 +630,27 @@ signing_check: /* MUST_SIGN already includes the MAY_SIGN FLAG so if this is zero it means that signing is disabled */ cFYI(1, "Signing disabled"); - if (server->secMode & SECMODE_SIGN_REQUIRED) { + if (server->sec_mode & SECMODE_SIGN_REQUIRED) { cERROR(1, "Server requires " "packet signing to be enabled in " "/proc/fs/cifs/SecurityFlags."); rc = -EOPNOTSUPP; } - server->secMode &= + server->sec_mode &= ~(SECMODE_SIGN_ENABLED | SECMODE_SIGN_REQUIRED); } else if ((secFlags & CIFSSEC_MUST_SIGN) == CIFSSEC_MUST_SIGN) { /* signing required */ cFYI(1, "Must sign - secFlags 0x%x", secFlags); - if ((server->secMode & + if ((server->sec_mode & (SECMODE_SIGN_ENABLED | SECMODE_SIGN_REQUIRED)) == 0) { cERROR(1, "signing required but server lacks support"); rc = -EOPNOTSUPP; } else - server->secMode |= SECMODE_SIGN_REQUIRED; + server->sec_mode |= SECMODE_SIGN_REQUIRED; } else { /* signing optional ie CIFSSEC_MAY_SIGN */ - if ((server->secMode & SECMODE_SIGN_REQUIRED) == 0) - server->secMode &= + if ((server->sec_mode & SECMODE_SIGN_REQUIRED) == 0) + server->sec_mode &= ~(SECMODE_SIGN_ENABLED | SECMODE_SIGN_REQUIRED); } @@ -666,7 +662,7 @@ neg_err_exit: } int -CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon) +CIFSSMBTDis(const int xid, struct cifs_tcon *tcon) { struct smb_hdr *smb_buffer; int rc = 0; @@ -725,6 +721,7 @@ CIFSSMBEcho(struct TCP_Server_Info *server) { ECHO_REQ *smb; int rc = 0; + struct kvec iov; cFYI(1, "In echo request"); @@ -739,9 +736,10 @@ CIFSSMBEcho(struct TCP_Server_Info *server) put_bcc(1, &smb->hdr); smb->Data[0] = 'a'; inc_rfc1001_len(smb, 3); + iov.iov_base = smb; + iov.iov_len = be32_to_cpu(smb->hdr.smb_buf_length) + 4; - rc = cifs_call_async(server, (struct smb_hdr *)smb, - cifs_echo_callback, server); + rc = cifs_call_async(server, &iov, 1, cifs_echo_callback, server, true); if (rc) cFYI(1, "Echo request failed: %d", rc); @@ -751,7 +749,7 @@ CIFSSMBEcho(struct TCP_Server_Info *server) } int -CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses) +CIFSSMBLogoff(const int xid, struct cifs_ses *ses) { LOGOFF_ANDX_REQ *pSMB; int rc = 0; @@ -778,7 +776,7 @@ CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses) pSMB->hdr.Mid = GetNextMid(ses->server); - if (ses->server->secMode & + if (ses->server->sec_mode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) pSMB->hdr.Flags2 |= SMBFLG2_SECURITY_SIGNATURE; @@ -798,7 +796,7 @@ session_already_dead: } int -CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon, const char *fileName, +CIFSPOSIXDelFile(const int xid, struct cifs_tcon *tcon, const char *fileName, __u16 type, const struct nls_table *nls_codepage, int remap) { TRANSACTION2_SPI_REQ *pSMB = NULL; @@ -873,7 +871,7 @@ PsxDelete: } int -CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon, const char *fileName, +CIFSSMBDelFile(const int xid, struct cifs_tcon *tcon, const char *fileName, const struct nls_table *nls_codepage, int remap) { DELETE_FILE_REQ *pSMB = NULL; @@ -918,7 +916,7 @@ DelFileRetry: } int -CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon, const char *dirName, +CIFSSMBRmDir(const int xid, struct cifs_tcon *tcon, const char *dirName, const struct nls_table *nls_codepage, int remap) { DELETE_DIRECTORY_REQ *pSMB = NULL; @@ -961,7 +959,7 @@ RmDirRetry: } int -CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon, +CIFSSMBMkDir(const int xid, struct cifs_tcon *tcon, const char *name, const struct nls_table *nls_codepage, int remap) { int rc = 0; @@ -1004,7 +1002,7 @@ MkDirRetry: } int -CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon, __u32 posix_flags, +CIFSPOSIXCreate(const int xid, struct cifs_tcon *tcon, __u32 posix_flags, __u64 mode, __u16 *netfid, FILE_UNIX_BASIC_INFO *pRetData, __u32 *pOplock, const char *name, const struct nls_table *nls_codepage, int remap) @@ -1170,7 +1168,7 @@ access_flags_to_smbopen_mode(const int access_flags) } int -SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon, +SMBLegacyOpen(const 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, @@ -1277,7 +1275,7 @@ OldOpenRetry: } int -CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon, +CIFSSMBOpen(const 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, @@ -1379,8 +1377,7 @@ openRetry: } int -CIFSSMBRead(const int xid, struct cifsTconInfo *tcon, const int netfid, - const unsigned int count, const __u64 lseek, unsigned int *nbytes, +CIFSSMBRead(const int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, char **buf, int *pbuf_type) { int rc = -EACCES; @@ -1390,13 +1387,18 @@ CIFSSMBRead(const int xid, struct cifsTconInfo *tcon, const int netfid, int wct; int resp_buf_type = 0; struct kvec iov[1]; + __u32 pid = io_parms->pid; + __u16 netfid = io_parms->netfid; + __u64 offset = io_parms->offset; + struct cifs_tcon *tcon = io_parms->tcon; + unsigned int count = io_parms->length; cFYI(1, "Reading %d bytes on fid %d", count, netfid); if (tcon->ses->capabilities & CAP_LARGE_FILES) wct = 12; else { wct = 10; /* old style read */ - if ((lseek >> 32) > 0) { + if ((offset >> 32) > 0) { /* can not handle this big offset for old */ return -EIO; } @@ -1407,15 +1409,18 @@ CIFSSMBRead(const int xid, struct cifsTconInfo *tcon, const int netfid, if (rc) return rc; + pSMB->hdr.Pid = cpu_to_le16((__u16)pid); + pSMB->hdr.PidHigh = cpu_to_le16((__u16)(pid >> 16)); + /* tcon and ses pointer are checked in smb_init */ if (tcon->ses->server == NULL) return -ECONNABORTED; pSMB->AndXCommand = 0xFF; /* none */ pSMB->Fid = netfid; - pSMB->OffsetLow = cpu_to_le32(lseek & 0xFFFFFFFF); + pSMB->OffsetLow = cpu_to_le32(offset & 0xFFFFFFFF); if (wct == 12) - pSMB->OffsetHigh = cpu_to_le32(lseek >> 32); + pSMB->OffsetHigh = cpu_to_le32(offset >> 32); pSMB->Remaining = 0; pSMB->MaxCount = cpu_to_le16(count & 0xFFFF); @@ -1484,9 +1489,8 @@ CIFSSMBRead(const int xid, struct cifsTconInfo *tcon, const int netfid, int -CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon, - const int netfid, const unsigned int count, - const __u64 offset, unsigned int *nbytes, const char *buf, +CIFSSMBWrite(const int xid, struct cifs_io_parms *io_parms, + unsigned int *nbytes, const char *buf, const char __user *ubuf, const int long_op) { int rc = -EACCES; @@ -1495,6 +1499,11 @@ CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon, int bytes_returned, wct; __u32 bytes_sent; __u16 byte_count; + __u32 pid = io_parms->pid; + __u16 netfid = io_parms->netfid; + __u64 offset = io_parms->offset; + struct cifs_tcon *tcon = io_parms->tcon; + unsigned int count = io_parms->length; *nbytes = 0; @@ -1516,6 +1525,10 @@ CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon, (void **) &pSMBr); if (rc) return rc; + + pSMB->hdr.Pid = cpu_to_le16((__u16)pid); + pSMB->hdr.PidHigh = cpu_to_le16((__u16)(pid >> 16)); + /* tcon and ses pointer are checked in smb_init */ if (tcon->ses->server == NULL) return -ECONNABORTED; @@ -1602,17 +1615,259 @@ CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon, return rc; } +void +cifs_writedata_release(struct kref *refcount) +{ + struct cifs_writedata *wdata = container_of(refcount, + struct cifs_writedata, refcount); + + if (wdata->cfile) + cifsFileInfo_put(wdata->cfile); + + kfree(wdata); +} + +/* + * Write failed with a retryable error. Resend the write request. It's also + * possible that the page was redirtied so re-clean the page. + */ +static void +cifs_writev_requeue(struct cifs_writedata *wdata) +{ + int i, rc; + struct inode *inode = wdata->cfile->dentry->d_inode; + + for (i = 0; i < wdata->nr_pages; i++) { + lock_page(wdata->pages[i]); + clear_page_dirty_for_io(wdata->pages[i]); + } + + do { + rc = cifs_async_writev(wdata); + } while (rc == -EAGAIN); + + for (i = 0; i < wdata->nr_pages; i++) { + if (rc != 0) + SetPageError(wdata->pages[i]); + unlock_page(wdata->pages[i]); + } + + mapping_set_error(inode->i_mapping, rc); + kref_put(&wdata->refcount, cifs_writedata_release); +} + +static void +cifs_writev_complete(struct work_struct *work) +{ + struct cifs_writedata *wdata = container_of(work, + struct cifs_writedata, work); + struct inode *inode = wdata->cfile->dentry->d_inode; + int i = 0; + + if (wdata->result == 0) { + cifs_update_eof(CIFS_I(inode), wdata->offset, wdata->bytes); + cifs_stats_bytes_written(tlink_tcon(wdata->cfile->tlink), + wdata->bytes); + } else if (wdata->sync_mode == WB_SYNC_ALL && wdata->result == -EAGAIN) + return cifs_writev_requeue(wdata); + + for (i = 0; i < wdata->nr_pages; i++) { + struct page *page = wdata->pages[i]; + if (wdata->result == -EAGAIN) + __set_page_dirty_nobuffers(page); + else if (wdata->result < 0) + SetPageError(page); + end_page_writeback(page); + page_cache_release(page); + } + if (wdata->result != -EAGAIN) + mapping_set_error(inode->i_mapping, wdata->result); + kref_put(&wdata->refcount, cifs_writedata_release); +} + +struct cifs_writedata * +cifs_writedata_alloc(unsigned int nr_pages) +{ + struct cifs_writedata *wdata; + + /* this would overflow */ + if (nr_pages == 0) { + cERROR(1, "%s: called with nr_pages == 0!", __func__); + return NULL; + } + + /* writedata + number of page pointers */ + wdata = kzalloc(sizeof(*wdata) + + sizeof(struct page *) * (nr_pages - 1), GFP_NOFS); + if (wdata != NULL) { + INIT_WORK(&wdata->work, cifs_writev_complete); + kref_init(&wdata->refcount); + } + return wdata; +} + +/* + * Check the midState and signature on received buffer (if any), and queue the + * workqueue completion task. + */ +static void +cifs_writev_callback(struct mid_q_entry *mid) +{ + struct cifs_writedata *wdata = mid->callback_data; + struct cifs_tcon *tcon = tlink_tcon(wdata->cfile->tlink); + unsigned int written; + WRITE_RSP *smb = (WRITE_RSP *)mid->resp_buf; + + switch (mid->midState) { + case MID_RESPONSE_RECEIVED: + wdata->result = cifs_check_receive(mid, tcon->ses->server, 0); + if (wdata->result != 0) + break; + + written = le16_to_cpu(smb->CountHigh); + written <<= 16; + written += le16_to_cpu(smb->Count); + /* + * Mask off high 16 bits when bytes written as returned + * by the server is greater than bytes requested by the + * client. OS/2 servers are known to set incorrect + * CountHigh values. + */ + if (written > wdata->bytes) + written &= 0xFFFF; + + if (written < wdata->bytes) + wdata->result = -ENOSPC; + else + wdata->bytes = written; + break; + case MID_REQUEST_SUBMITTED: + case MID_RETRY_NEEDED: + wdata->result = -EAGAIN; + break; + default: + wdata->result = -EIO; + break; + } + + queue_work(system_nrt_wq, &wdata->work); + DeleteMidQEntry(mid); + atomic_dec(&tcon->ses->server->inFlight); + wake_up(&tcon->ses->server->request_q); +} + +/* cifs_async_writev - send an async write, and set up mid to handle result */ +int +cifs_async_writev(struct cifs_writedata *wdata) +{ + int i, rc = -EACCES; + WRITE_REQ *smb = NULL; + int wct; + struct cifs_tcon *tcon = tlink_tcon(wdata->cfile->tlink); + struct inode *inode = wdata->cfile->dentry->d_inode; + struct kvec *iov = NULL; + + if (tcon->ses->capabilities & CAP_LARGE_FILES) { + wct = 14; + } else { + wct = 12; + if (wdata->offset >> 32 > 0) { + /* can not handle big offset for old srv */ + return -EIO; + } + } + + rc = small_smb_init(SMB_COM_WRITE_ANDX, wct, tcon, (void **)&smb); + if (rc) + goto async_writev_out; + + /* 1 iov per page + 1 for header */ + iov = kzalloc((wdata->nr_pages + 1) * sizeof(*iov), GFP_NOFS); + if (iov == NULL) { + rc = -ENOMEM; + goto async_writev_out; + } + + smb->hdr.Pid = cpu_to_le16((__u16)wdata->cfile->pid); + smb->hdr.PidHigh = cpu_to_le16((__u16)(wdata->cfile->pid >> 16)); + + smb->AndXCommand = 0xFF; /* none */ + smb->Fid = wdata->cfile->netfid; + smb->OffsetLow = cpu_to_le32(wdata->offset & 0xFFFFFFFF); + if (wct == 14) + smb->OffsetHigh = cpu_to_le32(wdata->offset >> 32); + smb->Reserved = 0xFFFFFFFF; + smb->WriteMode = 0; + smb->Remaining = 0; + + smb->DataOffset = + cpu_to_le16(offsetof(struct smb_com_write_req, Data) - 4); + + /* 4 for RFC1001 length + 1 for BCC */ + iov[0].iov_len = be32_to_cpu(smb->hdr.smb_buf_length) + 4 + 1; + iov[0].iov_base = smb; + + /* marshal up the pages into iov array */ + wdata->bytes = 0; + for (i = 0; i < wdata->nr_pages; i++) { + iov[i + 1].iov_len = min(inode->i_size - + page_offset(wdata->pages[i]), + (loff_t)PAGE_CACHE_SIZE); + iov[i + 1].iov_base = kmap(wdata->pages[i]); + wdata->bytes += iov[i + 1].iov_len; + } + + cFYI(1, "async write at %llu %u bytes", wdata->offset, wdata->bytes); + + smb->DataLengthLow = cpu_to_le16(wdata->bytes & 0xFFFF); + smb->DataLengthHigh = cpu_to_le16(wdata->bytes >> 16); + + if (wct == 14) { + inc_rfc1001_len(&smb->hdr, wdata->bytes + 1); + put_bcc(wdata->bytes + 1, &smb->hdr); + } else { + /* wct == 12 */ + struct smb_com_writex_req *smbw = + (struct smb_com_writex_req *)smb; + inc_rfc1001_len(&smbw->hdr, wdata->bytes + 5); + put_bcc(wdata->bytes + 5, &smbw->hdr); + iov[0].iov_len += 4; /* pad bigger by four bytes */ + } + + kref_get(&wdata->refcount); + rc = cifs_call_async(tcon->ses->server, iov, wdata->nr_pages + 1, + cifs_writev_callback, wdata, false); + + if (rc == 0) + cifs_stats_inc(&tcon->num_writes); + else + kref_put(&wdata->refcount, cifs_writedata_release); + + /* send is done, unmap pages */ + for (i = 0; i < wdata->nr_pages; i++) + kunmap(wdata->pages[i]); + +async_writev_out: + cifs_small_buf_release(smb); + kfree(iov); + return rc; +} + int -CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon, - const int netfid, const unsigned int count, - const __u64 offset, unsigned int *nbytes, struct kvec *iov, - int n_vec, const int long_op) +CIFSSMBWrite2(const int xid, struct cifs_io_parms *io_parms, + unsigned int *nbytes, struct kvec *iov, int n_vec, + const int long_op) { int rc = -EACCES; WRITE_REQ *pSMB = NULL; int wct; int smb_hdr_len; int resp_buf_type = 0; + __u32 pid = io_parms->pid; + __u16 netfid = io_parms->netfid; + __u64 offset = io_parms->offset; + struct cifs_tcon *tcon = io_parms->tcon; + unsigned int count = io_parms->length; *nbytes = 0; @@ -1630,6 +1885,10 @@ CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon, rc = small_smb_init(SMB_COM_WRITE_ANDX, wct, tcon, (void **) &pSMB); if (rc) return rc; + + pSMB->hdr.Pid = cpu_to_le16((__u16)pid); + pSMB->hdr.PidHigh = cpu_to_le16((__u16)(pid >> 16)); + /* tcon and ses pointer are checked in smb_init */ if (tcon->ses->server == NULL) return -ECONNABORTED; @@ -1705,7 +1964,7 @@ CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon, int -CIFSSMBLock(const int xid, struct cifsTconInfo *tcon, +CIFSSMBLock(const int xid, struct cifs_tcon *tcon, const __u16 smb_file_id, const __u64 len, const __u64 offset, const __u32 numUnlock, const __u32 numLock, const __u8 lockType, @@ -1775,7 +2034,7 @@ CIFSSMBLock(const int xid, struct cifsTconInfo *tcon, } int -CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon, +CIFSSMBPosixLock(const int xid, struct cifs_tcon *tcon, const __u16 smb_file_id, const int get_flag, const __u64 len, struct file_lock *pLockData, const __u16 lock_type, const bool waitFlag) @@ -1913,7 +2172,7 @@ plk_err_exit: int -CIFSSMBClose(const int xid, struct cifsTconInfo *tcon, int smb_file_id) +CIFSSMBClose(const int xid, struct cifs_tcon *tcon, int smb_file_id) { int rc = 0; CLOSE_REQ *pSMB = NULL; @@ -1946,7 +2205,7 @@ CIFSSMBClose(const int xid, struct cifsTconInfo *tcon, int smb_file_id) } int -CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon, int smb_file_id) +CIFSSMBFlush(const int xid, struct cifs_tcon *tcon, int smb_file_id) { int rc = 0; FLUSH_REQ *pSMB = NULL; @@ -1967,7 +2226,7 @@ CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon, int smb_file_id) } int -CIFSSMBRename(const int xid, struct cifsTconInfo *tcon, +CIFSSMBRename(const int xid, struct cifs_tcon *tcon, const char *fromName, const char *toName, const struct nls_table *nls_codepage, int remap) { @@ -2034,7 +2293,7 @@ renameRetry: return rc; } -int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon, +int CIFSSMBRenameOpenFile(const int xid, struct cifs_tcon *pTcon, int netfid, const char *target_name, const struct nls_table *nls_codepage, int remap) { @@ -2114,7 +2373,7 @@ int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon, } int -CIFSSMBCopy(const int xid, struct cifsTconInfo *tcon, const char *fromName, +CIFSSMBCopy(const int xid, struct cifs_tcon *tcon, const char *fromName, const __u16 target_tid, const char *toName, const int flags, const struct nls_table *nls_codepage, int remap) { @@ -2182,7 +2441,7 @@ copyRetry: } int -CIFSUnixCreateSymLink(const int xid, struct cifsTconInfo *tcon, +CIFSUnixCreateSymLink(const int xid, struct cifs_tcon *tcon, const char *fromName, const char *toName, const struct nls_table *nls_codepage) { @@ -2271,7 +2530,7 @@ createSymLinkRetry: } int -CIFSUnixCreateHardLink(const int xid, struct cifsTconInfo *tcon, +CIFSUnixCreateHardLink(const int xid, struct cifs_tcon *tcon, const char *fromName, const char *toName, const struct nls_table *nls_codepage, int remap) { @@ -2356,7 +2615,7 @@ createHardLinkRetry: } int -CIFSCreateHardLink(const int xid, struct cifsTconInfo *tcon, +CIFSCreateHardLink(const int xid, struct cifs_tcon *tcon, const char *fromName, const char *toName, const struct nls_table *nls_codepage, int remap) { @@ -2428,7 +2687,7 @@ winCreateHardLinkRetry: } int -CIFSSMBUnixQuerySymLink(const int xid, struct cifsTconInfo *tcon, +CIFSSMBUnixQuerySymLink(const int xid, struct cifs_tcon *tcon, const unsigned char *searchName, char **symlinkinfo, const struct nls_table *nls_codepage) { @@ -2533,7 +2792,7 @@ querySymLinkRetry: * it is not compiled in by default until callers fixed up and more tested. */ int -CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon, +CIFSSMBQueryReparseLinkInfo(const int xid, struct cifs_tcon *tcon, const unsigned char *searchName, char *symlinkinfo, const int buflen, __u16 fid, const struct nls_table *nls_codepage) @@ -2771,7 +3030,7 @@ static __u16 ACL_to_cifs_posix(char *parm_data, const char *pACL, } int -CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon, +CIFSSMBGetPosixACL(const int xid, struct cifs_tcon *tcon, const unsigned char *searchName, char *acl_inf, const int buflen, const int acl_type, const struct nls_table *nls_codepage, int remap) @@ -2859,7 +3118,7 @@ queryAclRetry: } int -CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon, +CIFSSMBSetPosixACL(const int xid, struct cifs_tcon *tcon, const unsigned char *fileName, const char *local_acl, const int buflen, const int acl_type, @@ -2939,7 +3198,7 @@ setACLerrorExit: /* BB fix tabs in this function FIXME BB */ int -CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon, +CIFSGetExtAttr(const int xid, struct cifs_tcon *tcon, const int netfid, __u64 *pExtAttrBits, __u64 *pMask) { int rc = 0; @@ -3032,7 +3291,7 @@ GetExtAttrOut: */ static int smb_init_nttransact(const __u16 sub_command, const int setup_count, - const int parm_len, struct cifsTconInfo *tcon, + const int parm_len, struct cifs_tcon *tcon, void **ret_buf) { int rc; @@ -3115,7 +3374,7 @@ validate_ntransact(char *buf, char **ppparm, char **ppdata, /* Get Security Descriptor (by handle) from remote server for a file or dir */ int -CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon, __u16 fid, +CIFSSMBGetCIFSACL(const int xid, struct cifs_tcon *tcon, __u16 fid, struct cifs_ntsd **acl_inf, __u32 *pbuflen) { int rc = 0; @@ -3207,7 +3466,7 @@ qsec_out: } int -CIFSSMBSetCIFSACL(const int xid, struct cifsTconInfo *tcon, __u16 fid, +CIFSSMBSetCIFSACL(const int xid, struct cifs_tcon *tcon, __u16 fid, struct cifs_ntsd *pntsd, __u32 acllen) { __u16 byte_count, param_count, data_count, param_offset, data_offset; @@ -3273,7 +3532,7 @@ setCifsAclRetry: /* Legacy Query Path Information call for lookup to old servers such as Win9x/WinME */ -int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon, +int SMBQueryInformation(const int xid, struct cifs_tcon *tcon, const unsigned char *searchName, FILE_ALL_INFO *pFinfo, const struct nls_table *nls_codepage, int remap) @@ -3341,7 +3600,7 @@ QInfRetry: } int -CIFSSMBQFileInfo(const int xid, struct cifsTconInfo *tcon, +CIFSSMBQFileInfo(const int xid, struct cifs_tcon *tcon, u16 netfid, FILE_ALL_INFO *pFindData) { struct smb_t2_qfi_req *pSMB = NULL; @@ -3408,7 +3667,7 @@ QFileInfoRetry: } int -CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon, +CIFSSMBQPathInfo(const int xid, struct cifs_tcon *tcon, const unsigned char *searchName, FILE_ALL_INFO *pFindData, int legacy /* old style infolevel */, @@ -3509,7 +3768,7 @@ QPathInfoRetry: } int -CIFSSMBUnixQFileInfo(const int xid, struct cifsTconInfo *tcon, +CIFSSMBUnixQFileInfo(const int xid, struct cifs_tcon *tcon, u16 netfid, FILE_UNIX_BASIC_INFO *pFindData) { struct smb_t2_qfi_req *pSMB = NULL; @@ -3578,7 +3837,7 @@ UnixQFileInfoRetry: } int -CIFSSMBUnixQPathInfo(const int xid, struct cifsTconInfo *tcon, +CIFSSMBUnixQPathInfo(const int xid, struct cifs_tcon *tcon, const unsigned char *searchName, FILE_UNIX_BASIC_INFO *pFindData, const struct nls_table *nls_codepage, int remap) @@ -3664,7 +3923,7 @@ UnixQPathInfoRetry: /* xid, tcon, searchName and codepage are input parms, rest are returned */ int -CIFSFindFirst(const int xid, struct cifsTconInfo *tcon, +CIFSFindFirst(const int xid, struct cifs_tcon *tcon, const char *searchName, const struct nls_table *nls_codepage, __u16 *pnetfid, @@ -3812,7 +4071,7 @@ findFirstRetry: return rc; } -int CIFSFindNext(const int xid, struct cifsTconInfo *tcon, +int CIFSFindNext(const int xid, struct cifs_tcon *tcon, __u16 searchHandle, struct cifs_search_info *psrch_inf) { TRANSACTION2_FNEXT_REQ *pSMB = NULL; @@ -3950,7 +4209,7 @@ FNext2_err_exit: } int -CIFSFindClose(const int xid, struct cifsTconInfo *tcon, +CIFSFindClose(const int xid, struct cifs_tcon *tcon, const __u16 searchHandle) { int rc = 0; @@ -3982,7 +4241,7 @@ CIFSFindClose(const int xid, struct cifsTconInfo *tcon, } int -CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon, +CIFSGetSrvInodeNumber(const int xid, struct cifs_tcon *tcon, const unsigned char *searchName, __u64 *inode_number, const struct nls_table *nls_codepage, int remap) @@ -4184,7 +4443,7 @@ parse_DFS_referrals_exit: } int -CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses, +CIFSGetDFSRefer(const int xid, struct cifs_ses *ses, const unsigned char *searchName, struct dfs_info3_param **target_nodes, unsigned int *num_of_nodes, @@ -4233,7 +4492,7 @@ getDFSRetry: } if (ses->server) { - if (ses->server->secMode & + if (ses->server->sec_mode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) pSMB->hdr.Flags2 |= SMBFLG2_SECURITY_SIGNATURE; } @@ -4298,7 +4557,7 @@ GetDFSRefExit: /* Query File System Info such as free space to old servers such as Win 9x */ int -SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon, struct kstatfs *FSData) +SMBOldQFSInfo(const int xid, struct cifs_tcon *tcon, struct kstatfs *FSData) { /* level 0x01 SMB_QUERY_FILE_SYSTEM_INFO */ TRANSACTION2_QFSI_REQ *pSMB = NULL; @@ -4377,7 +4636,7 @@ oldQFSInfoRetry: } int -CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon, struct kstatfs *FSData) +CIFSSMBQFSInfo(const int xid, struct cifs_tcon *tcon, struct kstatfs *FSData) { /* level 0x103 SMB_QUERY_FILE_SYSTEM_INFO */ TRANSACTION2_QFSI_REQ *pSMB = NULL; @@ -4456,7 +4715,7 @@ QFSInfoRetry: } int -CIFSSMBQFSAttributeInfo(const int xid, struct cifsTconInfo *tcon) +CIFSSMBQFSAttributeInfo(const int xid, struct cifs_tcon *tcon) { /* level 0x105 SMB_QUERY_FILE_SYSTEM_INFO */ TRANSACTION2_QFSI_REQ *pSMB = NULL; @@ -4526,7 +4785,7 @@ QFSAttributeRetry: } int -CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon) +CIFSSMBQFSDeviceInfo(const int xid, struct cifs_tcon *tcon) { /* level 0x104 SMB_QUERY_FILE_SYSTEM_INFO */ TRANSACTION2_QFSI_REQ *pSMB = NULL; @@ -4597,7 +4856,7 @@ QFSDeviceRetry: } int -CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon) +CIFSSMBQFSUnixInfo(const int xid, struct cifs_tcon *tcon) { /* level 0x200 SMB_QUERY_CIFS_UNIX_INFO */ TRANSACTION2_QFSI_REQ *pSMB = NULL; @@ -4667,7 +4926,7 @@ QFSUnixRetry: } int -CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon, __u64 cap) +CIFSSMBSetFSUnixInfo(const int xid, struct cifs_tcon *tcon, __u64 cap) { /* level 0x200 SMB_SET_CIFS_UNIX_INFO */ TRANSACTION2_SETFSI_REQ *pSMB = NULL; @@ -4741,7 +5000,7 @@ SETFSUnixRetry: int -CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon, +CIFSSMBQFSPosixInfo(const int xid, struct cifs_tcon *tcon, struct kstatfs *FSData) { /* level 0x201 SMB_QUERY_CIFS_POSIX_INFO */ @@ -4834,7 +5093,7 @@ QFSPosixRetry: in Samba which this routine can run into */ int -CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon, const char *fileName, +CIFSSMBSetEOF(const int xid, struct cifs_tcon *tcon, const char *fileName, __u64 size, bool SetAllocation, const struct nls_table *nls_codepage, int remap) { @@ -4923,7 +5182,7 @@ SetEOFRetry: } int -CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon, __u64 size, +CIFSSMBSetFileSize(const int xid, struct cifs_tcon *tcon, __u64 size, __u16 fid, __u32 pid_of_opener, bool SetAllocation) { struct smb_com_transaction2_sfi_req *pSMB = NULL; @@ -5005,7 +5264,7 @@ CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon, __u64 size, time and resort to the original setpathinfo level which takes the ancient DOS time format with 2 second granularity */ int -CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon, +CIFSSMBSetFileInfo(const int xid, struct cifs_tcon *tcon, const FILE_BASIC_INFO *data, __u16 fid, __u32 pid_of_opener) { struct smb_com_transaction2_sfi_req *pSMB = NULL; @@ -5067,7 +5326,7 @@ CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon, } int -CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon, +CIFSSMBSetFileDisposition(const int xid, struct cifs_tcon *tcon, bool delete_file, __u16 fid, __u32 pid_of_opener) { struct smb_com_transaction2_sfi_req *pSMB = NULL; @@ -5123,7 +5382,7 @@ CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon, } int -CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon, +CIFSSMBSetPathInfo(const int xid, struct cifs_tcon *tcon, const char *fileName, const FILE_BASIC_INFO *data, const struct nls_table *nls_codepage, int remap) { @@ -5207,7 +5466,7 @@ SetTimesRetry: handling it anyway and NT4 was what we thought it would be needed for Do not delete it until we prove whether needed for Win9x though */ int -CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon, char *fileName, +CIFSSMBSetAttrLegacy(int xid, struct cifs_tcon *tcon, char *fileName, __u16 dos_attrs, const struct nls_table *nls_codepage) { SETATTR_REQ *pSMB = NULL; @@ -5295,7 +5554,7 @@ cifs_fill_unix_set_info(FILE_UNIX_BASIC_INFO *data_offset, } int -CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon, +CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon, const struct cifs_unix_set_info_args *args, u16 fid, u32 pid_of_opener) { @@ -5358,7 +5617,7 @@ CIFSSMBUnixSetFileInfo(const int xid, struct cifsTconInfo *tcon, } int -CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *tcon, char *fileName, +CIFSSMBUnixSetPathInfo(const int xid, struct cifs_tcon *tcon, char *fileName, const struct cifs_unix_set_info_args *args, const struct nls_table *nls_codepage, int remap) { @@ -5445,7 +5704,7 @@ setPermsRetry: * the data isn't copied to it, but the length is returned. */ ssize_t -CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon, +CIFSSMBQAllEAs(const int xid, struct cifs_tcon *tcon, const unsigned char *searchName, const unsigned char *ea_name, char *EAData, size_t buf_size, const struct nls_table *nls_codepage, int remap) @@ -5626,7 +5885,7 @@ QAllEAsOut: } int -CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon, const char *fileName, +CIFSSMBSetEA(const int xid, struct cifs_tcon *tcon, const char *fileName, const char *ea_name, const void *ea_value, const __u16 ea_value_len, const struct nls_table *nls_codepage, int remap) @@ -5753,7 +6012,7 @@ SetEARetry: * incompatible for network fs clients, we could instead simply * expose this config flag by adding a future cifs (and smb2) notify ioctl. */ -int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon, +int CIFSSMBNotify(const int xid, struct cifs_tcon *tcon, const int notify_subdirs, const __u16 netfid, __u32 filter, struct file *pfile, int multishot, const struct nls_table *nls_codepage) |