diff options
Diffstat (limited to 'source4/ntvfs/posix/pvfs_setfileinfo.c')
| -rw-r--r-- | source4/ntvfs/posix/pvfs_setfileinfo.c | 884 |
1 files changed, 884 insertions, 0 deletions
diff --git a/source4/ntvfs/posix/pvfs_setfileinfo.c b/source4/ntvfs/posix/pvfs_setfileinfo.c new file mode 100644 index 0000000..7fd4e35 --- /dev/null +++ b/source4/ntvfs/posix/pvfs_setfileinfo.c @@ -0,0 +1,884 @@ +/* + Unix SMB/CIFS implementation. + + POSIX NTVFS backend - setfileinfo + + Copyright (C) Andrew Tridgell 2004 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "includes.h" +#include "vfs_posix.h" +#include "system/time.h" +#include "librpc/gen_ndr/xattr.h" + + +/* + determine what access bits are needed for a call +*/ +static uint32_t pvfs_setfileinfo_access(union smb_setfileinfo *info) +{ + uint32_t needed; + + switch (info->generic.level) { + case RAW_SFILEINFO_EA_SET: + needed = SEC_FILE_WRITE_EA; + break; + + case RAW_SFILEINFO_DISPOSITION_INFO: + case RAW_SFILEINFO_DISPOSITION_INFORMATION: + needed = SEC_STD_DELETE; + break; + + case RAW_SFILEINFO_END_OF_FILE_INFO: + needed = SEC_FILE_WRITE_DATA; + break; + + case RAW_SFILEINFO_POSITION_INFORMATION: + needed = 0; + break; + + case RAW_SFILEINFO_SEC_DESC: + needed = 0; + if (info->set_secdesc.in.secinfo_flags & (SECINFO_OWNER|SECINFO_GROUP)) { + needed |= SEC_STD_WRITE_OWNER; + } + if (info->set_secdesc.in.secinfo_flags & SECINFO_DACL) { + needed |= SEC_STD_WRITE_DAC; + } + if (info->set_secdesc.in.secinfo_flags & SECINFO_SACL) { + needed |= SEC_FLAG_SYSTEM_SECURITY; + } + break; + + case RAW_SFILEINFO_RENAME_INFORMATION: + case RAW_SFILEINFO_RENAME_INFORMATION_SMB2: + needed = SEC_STD_DELETE; + break; + + default: + needed = SEC_FILE_WRITE_ATTRIBUTE; + break; + } + + return needed; +} + +/* + rename_information level for streams +*/ +static NTSTATUS pvfs_setfileinfo_rename_stream(struct pvfs_state *pvfs, + struct ntvfs_request *req, + struct pvfs_filename *name, + int fd, + DATA_BLOB *odb_locking_key, + union smb_setfileinfo *info) +{ + NTSTATUS status; + struct odb_lock *lck = NULL; + + /* strangely, this gives a sharing violation, not invalid + parameter */ + if (info->rename_information.in.new_name[0] != ':') { + return NT_STATUS_SHARING_VIOLATION; + } + + status = pvfs_access_check_simple(pvfs, req, name, SEC_FILE_WRITE_ATTRIBUTE); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + lck = odb_lock(req, pvfs->odb_context, odb_locking_key); + if (lck == NULL) { + DEBUG(0,("Unable to lock opendb for can_stat\n")); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + + status = pvfs_stream_rename(pvfs, name, fd, + info->rename_information.in.new_name+1, + info->rename_information.in.overwrite); + return status; +} + +/* + rename_information level +*/ +static NTSTATUS pvfs_setfileinfo_rename(struct pvfs_state *pvfs, + struct ntvfs_request *req, + struct pvfs_filename *name, + int fd, + DATA_BLOB *odb_locking_key, + union smb_setfileinfo *info) +{ + NTSTATUS status; + struct pvfs_filename *name2; + char *new_name, *p; + struct odb_lock *lck = NULL; + + /* renames are only allowed within a directory */ + if (strchr_m(info->rename_information.in.new_name, '\\') && + (req->ctx->protocol < PROTOCOL_SMB2_02)) { + return NT_STATUS_NOT_SUPPORTED; + } + + /* handle stream renames specially */ + if (name->stream_name) { + return pvfs_setfileinfo_rename_stream(pvfs, req, name, fd, + odb_locking_key, info); + } + + /* w2k3 does not appear to allow relative rename. On SMB2, vista sends it sometimes, + but I suspect it is just uninitialised memory */ + if (info->rename_information.in.root_fid != 0 && + (req->ctx->protocol < PROTOCOL_SMB2_02)) { + return NT_STATUS_INVALID_PARAMETER; + } + + /* construct the fully qualified windows name for the new file name */ + if (req->ctx->protocol >= PROTOCOL_SMB2_02) { + /* SMB2 sends the full path of the new name */ + new_name = talloc_asprintf(req, "\\%s", info->rename_information.in.new_name); + } else { + new_name = talloc_strdup(req, name->original_name); + if (new_name == NULL) { + return NT_STATUS_NO_MEMORY; + } + p = strrchr_m(new_name, '\\'); + if (p == NULL) { + return NT_STATUS_OBJECT_NAME_INVALID; + } else { + *p = 0; + } + + new_name = talloc_asprintf(req, "%s\\%s", new_name, + info->rename_information.in.new_name); + } + if (new_name == NULL) { + return NT_STATUS_NO_MEMORY; + } + + /* resolve the new name */ + status = pvfs_resolve_name(pvfs, req, new_name, 0, &name2); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + /* if the destination exists, then check the rename is allowed */ + if (name2->exists) { + if (strcmp(name2->full_name, name->full_name) == 0) { + /* rename to same name is null-op */ + return NT_STATUS_OK; + } + + if (!info->rename_information.in.overwrite) { + return NT_STATUS_OBJECT_NAME_COLLISION; + } + + status = pvfs_can_delete(pvfs, req, name2, NULL); + if (NT_STATUS_EQUAL(status, NT_STATUS_DELETE_PENDING)) { + return NT_STATUS_ACCESS_DENIED; + } + if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) { + return NT_STATUS_ACCESS_DENIED; + } + if (!NT_STATUS_IS_OK(status)) { + return status; + } + } + + status = pvfs_access_check_parent(pvfs, req, name2, SEC_DIR_ADD_FILE); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + lck = odb_lock(req, pvfs->odb_context, odb_locking_key); + if (lck == NULL) { + DEBUG(0,("Unable to lock opendb for can_stat\n")); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + status = pvfs_do_rename(pvfs, lck, name, name2->full_name); + talloc_free(lck); + NT_STATUS_NOT_OK_RETURN(status); + if (NT_STATUS_IS_OK(status)) { + name->full_name = talloc_steal(name, name2->full_name); + name->original_name = talloc_steal(name, name2->original_name); + } + + return NT_STATUS_OK; +} + +/* + add a single DOS EA +*/ +NTSTATUS pvfs_setfileinfo_ea_set(struct pvfs_state *pvfs, + struct pvfs_filename *name, + int fd, uint16_t num_eas, + struct ea_struct *eas) +{ + struct xattr_DosEAs *ealist; + int i, j; + NTSTATUS status; + + if (num_eas == 0) { + return NT_STATUS_OK; + } + + if (!(pvfs->flags & PVFS_FLAG_XATTR_ENABLE)) { + return NT_STATUS_NOT_SUPPORTED; + } + + ealist = talloc(name, struct xattr_DosEAs); + + /* load the current list */ + status = pvfs_doseas_load(pvfs, name, fd, ealist); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + for (j=0;j<num_eas;j++) { + struct ea_struct *ea = &eas[j]; + /* see if its already there */ + for (i=0;i<ealist->num_eas;i++) { + if (strcasecmp_m(ealist->eas[i].name, ea->name.s) == 0) { + ealist->eas[i].value = ea->value; + break; + } + } + + if (i==ealist->num_eas) { + /* add it */ + ealist->eas = talloc_realloc(ealist, ealist->eas, + struct xattr_EA, + ealist->num_eas+1); + if (ealist->eas == NULL) { + return NT_STATUS_NO_MEMORY; + } + ealist->eas[i].name = ea->name.s; + ealist->eas[i].value = ea->value; + ealist->num_eas++; + } + } + + /* pull out any null EAs */ + for (i=0;i<ealist->num_eas;i++) { + if (ealist->eas[i].value.length == 0) { + memmove(&ealist->eas[i], + &ealist->eas[i+1], + (ealist->num_eas-(i+1)) * sizeof(ealist->eas[i])); + ealist->num_eas--; + i--; + } + } + + status = pvfs_doseas_save(pvfs, name, fd, ealist); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + notify_trigger(pvfs->notify_context, + NOTIFY_ACTION_MODIFIED, + FILE_NOTIFY_CHANGE_EA, + name->full_name); + + name->dos.ea_size = 4; + for (i=0;i<ealist->num_eas;i++) { + name->dos.ea_size += 4 + strlen(ealist->eas[i].name)+1 + + ealist->eas[i].value.length; + } + + /* update the ea_size attrib */ + return pvfs_dosattrib_save(pvfs, name, fd); +} + +/* + set info on a open file +*/ +NTSTATUS pvfs_setfileinfo(struct ntvfs_module_context *ntvfs, + struct ntvfs_request *req, + union smb_setfileinfo *info) +{ + struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data, + struct pvfs_state); + struct pvfs_file *f; + struct pvfs_file_handle *h; + struct pvfs_filename newstats; + NTSTATUS status; + uint32_t access_needed; + uint32_t change_mask = 0; + + f = pvfs_find_fd(pvfs, req, info->generic.in.file.ntvfs); + if (!f) { + return NT_STATUS_INVALID_HANDLE; + } + + h = f->handle; + + access_needed = pvfs_setfileinfo_access(info); + if ((f->access_mask & access_needed) != access_needed) { + return NT_STATUS_ACCESS_DENIED; + } + + /* update the file information */ + status = pvfs_resolve_name_handle(pvfs, h); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + /* we take a copy of the current file stats, then update + newstats in each of the elements below. At the end we + compare, and make any changes needed */ + newstats = *h->name; + + switch (info->generic.level) { + case RAW_SFILEINFO_SETATTR: + if (!null_time(info->setattr.in.write_time)) { + unix_to_nt_time(&newstats.dos.write_time, info->setattr.in.write_time); + } + if (info->setattr.in.attrib != FILE_ATTRIBUTE_NORMAL) { + newstats.dos.attrib = info->setattr.in.attrib; + } + break; + + case RAW_SFILEINFO_SETATTRE: + case RAW_SFILEINFO_STANDARD: + if (!null_time(info->setattre.in.create_time)) { + unix_to_nt_time(&newstats.dos.create_time, info->setattre.in.create_time); + } + if (!null_time(info->setattre.in.access_time)) { + unix_to_nt_time(&newstats.dos.access_time, info->setattre.in.access_time); + } + if (!null_time(info->setattre.in.write_time)) { + unix_to_nt_time(&newstats.dos.write_time, info->setattre.in.write_time); + } + break; + + case RAW_SFILEINFO_EA_SET: + return pvfs_setfileinfo_ea_set(pvfs, h->name, h->fd, + info->ea_set.in.num_eas, + info->ea_set.in.eas); + + case RAW_SFILEINFO_BASIC_INFO: + case RAW_SFILEINFO_BASIC_INFORMATION: + if (!null_nttime(info->basic_info.in.create_time)) { + newstats.dos.create_time = info->basic_info.in.create_time; + } + if (!null_nttime(info->basic_info.in.access_time)) { + newstats.dos.access_time = info->basic_info.in.access_time; + } + if (!null_nttime(info->basic_info.in.write_time)) { + newstats.dos.write_time = info->basic_info.in.write_time; + } + if (!null_nttime(info->basic_info.in.change_time)) { + newstats.dos.change_time = info->basic_info.in.change_time; + } + if (info->basic_info.in.attrib != 0) { + newstats.dos.attrib = info->basic_info.in.attrib; + } + break; + + case RAW_SFILEINFO_DISPOSITION_INFO: + case RAW_SFILEINFO_DISPOSITION_INFORMATION: + return pvfs_set_delete_on_close(pvfs, req, f, + info->disposition_info.in.delete_on_close); + + case RAW_SFILEINFO_ALLOCATION_INFO: + case RAW_SFILEINFO_ALLOCATION_INFORMATION: + status = pvfs_break_level2_oplocks(f); + NT_STATUS_NOT_OK_RETURN(status); + + newstats.dos.alloc_size = info->allocation_info.in.alloc_size; + if (newstats.dos.alloc_size < newstats.st.st_size) { + newstats.st.st_size = newstats.dos.alloc_size; + } + newstats.dos.alloc_size = pvfs_round_alloc_size(pvfs, + newstats.dos.alloc_size); + break; + + case RAW_SFILEINFO_END_OF_FILE_INFO: + case RAW_SFILEINFO_END_OF_FILE_INFORMATION: + status = pvfs_break_level2_oplocks(f); + NT_STATUS_NOT_OK_RETURN(status); + + newstats.st.st_size = info->end_of_file_info.in.size; + break; + + case RAW_SFILEINFO_POSITION_INFORMATION: + h->position = info->position_information.in.position; + break; + + case RAW_SFILEINFO_FULL_EA_INFORMATION: + return pvfs_setfileinfo_ea_set(pvfs, h->name, h->fd, + info->full_ea_information.in.eas.num_eas, + info->full_ea_information.in.eas.eas); + + case RAW_SFILEINFO_MODE_INFORMATION: + /* this one is a puzzle */ + if (info->mode_information.in.mode != 0 && + info->mode_information.in.mode != 2 && + info->mode_information.in.mode != 4 && + info->mode_information.in.mode != 6) { + return NT_STATUS_INVALID_PARAMETER; + } + h->mode = info->mode_information.in.mode; + break; + + case RAW_SFILEINFO_RENAME_INFORMATION: + case RAW_SFILEINFO_RENAME_INFORMATION_SMB2: + return pvfs_setfileinfo_rename(pvfs, req, h->name, f->handle->fd, + &h->odb_locking_key, + info); + + case RAW_SFILEINFO_SEC_DESC: + notify_trigger(pvfs->notify_context, + NOTIFY_ACTION_MODIFIED, + FILE_NOTIFY_CHANGE_SECURITY, + h->name->full_name); + return pvfs_acl_set(pvfs, req, h->name, h->fd, f->access_mask, info); + + default: + return NT_STATUS_INVALID_LEVEL; + } + + /* possibly change the file size */ + if (newstats.st.st_size != h->name->st.st_size) { + if (h->name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY) { + return NT_STATUS_FILE_IS_A_DIRECTORY; + } + if (h->name->stream_name) { + status = pvfs_stream_truncate(pvfs, h->name, h->fd, newstats.st.st_size); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + change_mask |= FILE_NOTIFY_CHANGE_STREAM_SIZE; + } else { + int ret; + if (f->access_mask & + (SEC_FILE_WRITE_DATA|SEC_FILE_APPEND_DATA)) { + ret = ftruncate(h->fd, newstats.st.st_size); + } else { + ret = truncate(h->name->full_name, newstats.st.st_size); + } + if (ret == -1) { + return pvfs_map_errno(pvfs, errno); + } + change_mask |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_ATTRIBUTES; + } + } + + /* possibly change the file timestamps */ + if (newstats.dos.create_time != h->name->dos.create_time) { + change_mask |= FILE_NOTIFY_CHANGE_CREATION; + } + if (newstats.dos.access_time != h->name->dos.access_time) { + change_mask |= FILE_NOTIFY_CHANGE_LAST_ACCESS; + } + if (newstats.dos.write_time != h->name->dos.write_time) { + change_mask |= FILE_NOTIFY_CHANGE_LAST_WRITE; + } + if ((change_mask & FILE_NOTIFY_CHANGE_LAST_ACCESS) || + (change_mask & FILE_NOTIFY_CHANGE_LAST_WRITE)) { + struct timeval tv[2]; + + nttime_to_timeval(&tv[0], newstats.dos.access_time); + nttime_to_timeval(&tv[1], newstats.dos.write_time); + + if (!timeval_is_zero(&tv[0]) || !timeval_is_zero(&tv[1])) { + if (utimes(h->name->full_name, tv) == -1) { + DEBUG(0,("pvfs_setfileinfo: utimes() failed '%s' - %s\n", + h->name->full_name, strerror(errno))); + return pvfs_map_errno(pvfs, errno); + } + } + } + if (change_mask & FILE_NOTIFY_CHANGE_LAST_WRITE) { + struct odb_lock *lck; + + lck = odb_lock(req, h->pvfs->odb_context, &h->odb_locking_key); + if (lck == NULL) { + DEBUG(0,("Unable to lock opendb for write time update\n")); + return NT_STATUS_INTERNAL_ERROR; + } + + status = odb_set_write_time(lck, newstats.dos.write_time, true); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0,("Unable to update write time: %s\n", + nt_errstr(status))); + talloc_free(lck); + return status; + } + + talloc_free(lck); + + h->write_time.update_forced = true; + h->write_time.update_on_close = false; + talloc_free(h->write_time.update_event); + h->write_time.update_event = NULL; + } + + /* possibly change the attribute */ + if (newstats.dos.attrib != h->name->dos.attrib) { + mode_t mode; + if ((newstats.dos.attrib & FILE_ATTRIBUTE_DIRECTORY) && + !(h->name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY)) { + return NT_STATUS_INVALID_PARAMETER; + } + mode = pvfs_fileperms(pvfs, newstats.dos.attrib); + if (!(h->name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY)) { + if (pvfs_sys_fchmod(pvfs, h->fd, mode, h->name->allow_override) == -1) { + return pvfs_map_errno(pvfs, errno); + } + } + change_mask |= FILE_NOTIFY_CHANGE_ATTRIBUTES; + } + + *h->name = newstats; + + notify_trigger(pvfs->notify_context, + NOTIFY_ACTION_MODIFIED, + change_mask, + h->name->full_name); + + return pvfs_dosattrib_save(pvfs, h->name, h->fd); +} + +/* + retry an open after a sharing violation +*/ +static void pvfs_retry_setpathinfo(struct pvfs_odb_retry *r, + struct ntvfs_module_context *ntvfs, + struct ntvfs_request *req, + void *_info, + void *private_data, + enum pvfs_wait_notice reason) +{ + union smb_setfileinfo *info = talloc_get_type(_info, + union smb_setfileinfo); + NTSTATUS status = NT_STATUS_INTERNAL_ERROR; + + talloc_free(r); + + switch (reason) { + case PVFS_WAIT_CANCEL: +/*TODO*/ + status = NT_STATUS_CANCELLED; + break; + case PVFS_WAIT_TIMEOUT: + /* if it timed out, then give the failure + immediately */ +/*TODO*/ + status = NT_STATUS_SHARING_VIOLATION; + break; + case PVFS_WAIT_EVENT: + + /* try the open again, which could trigger another retry setup + if it wants to, so we have to unmark the async flag so we + will know if it does a second async reply */ + req->async_states->state &= ~NTVFS_ASYNC_STATE_ASYNC; + + status = pvfs_setpathinfo(ntvfs, req, info); + if (req->async_states->state & NTVFS_ASYNC_STATE_ASYNC) { + /* the 2nd try also replied async, so we don't send + the reply yet */ + return; + } + + /* re-mark it async, just in case someone up the chain does + paranoid checking */ + req->async_states->state |= NTVFS_ASYNC_STATE_ASYNC; + break; + } + + /* send the reply up the chain */ + req->async_states->status = status; + req->async_states->send_fn(req); +} + +/* + setup for a unlink retry after a sharing violation + or a non granted oplock +*/ +static NTSTATUS pvfs_setpathinfo_setup_retry(struct ntvfs_module_context *ntvfs, + struct ntvfs_request *req, + union smb_setfileinfo *info, + struct odb_lock *lck, + NTSTATUS status) +{ + struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data, + struct pvfs_state); + struct timeval end_time; + + if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) { + end_time = timeval_add(&req->statistics.request_time, + 0, pvfs->sharing_violation_delay); + } else if (NT_STATUS_EQUAL(status, NT_STATUS_OPLOCK_NOT_GRANTED)) { + end_time = timeval_add(&req->statistics.request_time, + pvfs->oplock_break_timeout, 0); + } else { + return NT_STATUS_INTERNAL_ERROR; + } + + return pvfs_odb_retry_setup(ntvfs, req, lck, end_time, info, NULL, + pvfs_retry_setpathinfo); +} + +/* + set info on a pathname +*/ +NTSTATUS pvfs_setpathinfo(struct ntvfs_module_context *ntvfs, + struct ntvfs_request *req, union smb_setfileinfo *info) +{ + struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data, + struct pvfs_state); + struct pvfs_filename *name; + struct pvfs_filename newstats; + NTSTATUS status; + uint32_t access_needed; + uint32_t change_mask = 0; + struct odb_lock *lck = NULL; + DATA_BLOB odb_locking_key; + + /* resolve the cifs name to a posix name */ + status = pvfs_resolve_name(pvfs, req, info->generic.in.file.path, + PVFS_RESOLVE_STREAMS, &name); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + if (!name->exists) { + return NT_STATUS_OBJECT_NAME_NOT_FOUND; + } + + access_needed = pvfs_setfileinfo_access(info); + status = pvfs_access_check_simple(pvfs, req, name, access_needed); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + /* we take a copy of the current file stats, then update + newstats in each of the elements below. At the end we + compare, and make any changes needed */ + newstats = *name; + + switch (info->generic.level) { + case RAW_SFILEINFO_SETATTR: + if (!null_time(info->setattr.in.write_time)) { + unix_to_nt_time(&newstats.dos.write_time, info->setattr.in.write_time); + } + if (info->setattr.in.attrib == 0) { + newstats.dos.attrib = FILE_ATTRIBUTE_NORMAL; + } else if (info->setattr.in.attrib != FILE_ATTRIBUTE_NORMAL) { + newstats.dos.attrib = info->setattr.in.attrib; + } + break; + + case RAW_SFILEINFO_SETATTRE: + case RAW_SFILEINFO_STANDARD: + if (!null_time(info->setattre.in.create_time)) { + unix_to_nt_time(&newstats.dos.create_time, info->setattre.in.create_time); + } + if (!null_time(info->setattre.in.access_time)) { + unix_to_nt_time(&newstats.dos.access_time, info->setattre.in.access_time); + } + if (!null_time(info->setattre.in.write_time)) { + unix_to_nt_time(&newstats.dos.write_time, info->setattre.in.write_time); + } + break; + + case RAW_SFILEINFO_EA_SET: + return pvfs_setfileinfo_ea_set(pvfs, name, -1, + info->ea_set.in.num_eas, + info->ea_set.in.eas); + + case RAW_SFILEINFO_BASIC_INFO: + case RAW_SFILEINFO_BASIC_INFORMATION: + if (!null_nttime(info->basic_info.in.create_time)) { + newstats.dos.create_time = info->basic_info.in.create_time; + } + if (!null_nttime(info->basic_info.in.access_time)) { + newstats.dos.access_time = info->basic_info.in.access_time; + } + if (!null_nttime(info->basic_info.in.write_time)) { + newstats.dos.write_time = info->basic_info.in.write_time; + } + if (!null_nttime(info->basic_info.in.change_time)) { + newstats.dos.change_time = info->basic_info.in.change_time; + } + if (info->basic_info.in.attrib != 0) { + newstats.dos.attrib = info->basic_info.in.attrib; + } + break; + + case RAW_SFILEINFO_ALLOCATION_INFO: + case RAW_SFILEINFO_ALLOCATION_INFORMATION: + status = pvfs_can_update_file_size(pvfs, req, name, &lck); + /* + * on a sharing violation we need to retry when the file is closed by + * the other user, or after 1 second + * on a non granted oplock we need to retry when the file is closed by + * the other user, or after 30 seconds + */ + if ((NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION) || + NT_STATUS_EQUAL(status, NT_STATUS_OPLOCK_NOT_GRANTED)) && + (req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) { + return pvfs_setpathinfo_setup_retry(pvfs->ntvfs, req, info, lck, status); + } + NT_STATUS_NOT_OK_RETURN(status); + + if (info->allocation_info.in.alloc_size > newstats.dos.alloc_size) { + /* strange. Increasing the allocation size via setpathinfo + should be silently ignored */ + break; + } + newstats.dos.alloc_size = info->allocation_info.in.alloc_size; + if (newstats.dos.alloc_size < newstats.st.st_size) { + newstats.st.st_size = newstats.dos.alloc_size; + } + newstats.dos.alloc_size = pvfs_round_alloc_size(pvfs, + newstats.dos.alloc_size); + break; + + case RAW_SFILEINFO_END_OF_FILE_INFO: + case RAW_SFILEINFO_END_OF_FILE_INFORMATION: + status = pvfs_can_update_file_size(pvfs, req, name, &lck); + /* + * on a sharing violation we need to retry when the file is closed by + * the other user, or after 1 second + * on a non granted oplock we need to retry when the file is closed by + * the other user, or after 30 seconds + */ + if ((NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION) || + NT_STATUS_EQUAL(status, NT_STATUS_OPLOCK_NOT_GRANTED)) && + (req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) { + return pvfs_setpathinfo_setup_retry(pvfs->ntvfs, req, info, lck, status); + } + NT_STATUS_NOT_OK_RETURN(status); + + newstats.st.st_size = info->end_of_file_info.in.size; + break; + + case RAW_SFILEINFO_MODE_INFORMATION: + if (info->mode_information.in.mode != 0 && + info->mode_information.in.mode != 2 && + info->mode_information.in.mode != 4 && + info->mode_information.in.mode != 6) { + return NT_STATUS_INVALID_PARAMETER; + } + return NT_STATUS_OK; + + case RAW_SFILEINFO_RENAME_INFORMATION: + case RAW_SFILEINFO_RENAME_INFORMATION_SMB2: + status = pvfs_locking_key(name, name, &odb_locking_key); + NT_STATUS_NOT_OK_RETURN(status); + status = pvfs_setfileinfo_rename(pvfs, req, name, -1, + &odb_locking_key, info); + NT_STATUS_NOT_OK_RETURN(status); + return NT_STATUS_OK; + + case RAW_SFILEINFO_DISPOSITION_INFO: + case RAW_SFILEINFO_DISPOSITION_INFORMATION: + case RAW_SFILEINFO_POSITION_INFORMATION: + return NT_STATUS_OK; + + default: + return NT_STATUS_INVALID_LEVEL; + } + + /* possibly change the file size */ + if (newstats.st.st_size != name->st.st_size) { + if (name->stream_name) { + status = pvfs_stream_truncate(pvfs, name, -1, newstats.st.st_size); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + } else if (truncate(name->full_name, newstats.st.st_size) == -1) { + return pvfs_map_errno(pvfs, errno); + } + change_mask |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_ATTRIBUTES; + } + + /* possibly change the file timestamps */ + if (newstats.dos.create_time != name->dos.create_time) { + change_mask |= FILE_NOTIFY_CHANGE_CREATION; + } + if (newstats.dos.access_time != name->dos.access_time) { + change_mask |= FILE_NOTIFY_CHANGE_LAST_ACCESS; + } + if (newstats.dos.write_time != name->dos.write_time) { + change_mask |= FILE_NOTIFY_CHANGE_LAST_WRITE; + } + if ((change_mask & FILE_NOTIFY_CHANGE_LAST_ACCESS) || + (change_mask & FILE_NOTIFY_CHANGE_LAST_WRITE)) { + struct timeval tv[2]; + + nttime_to_timeval(&tv[0], newstats.dos.access_time); + nttime_to_timeval(&tv[1], newstats.dos.write_time); + + if (!timeval_is_zero(&tv[0]) || !timeval_is_zero(&tv[1])) { + if (utimes(name->full_name, tv) == -1) { + DEBUG(0,("pvfs_setpathinfo: utimes() failed '%s' - %s\n", + name->full_name, strerror(errno))); + return pvfs_map_errno(pvfs, errno); + } + } + } + if (change_mask & FILE_NOTIFY_CHANGE_LAST_WRITE) { + if (lck == NULL) { + DATA_BLOB lkey; + status = pvfs_locking_key(name, name, &lkey); + NT_STATUS_NOT_OK_RETURN(status); + + lck = odb_lock(req, pvfs->odb_context, &lkey); + data_blob_free(&lkey); + if (lck == NULL) { + DEBUG(0,("Unable to lock opendb for write time update\n")); + return NT_STATUS_INTERNAL_ERROR; + } + } + + status = odb_set_write_time(lck, newstats.dos.write_time, true); + if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) { + /* it could be that nobody has opened the file */ + } else if (!NT_STATUS_IS_OK(status)) { + DEBUG(0,("Unable to update write time: %s\n", + nt_errstr(status))); + return status; + } + } + + /* possibly change the attribute */ + newstats.dos.attrib |= (name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY); + if (newstats.dos.attrib != name->dos.attrib) { + mode_t mode = pvfs_fileperms(pvfs, newstats.dos.attrib); + if (pvfs_sys_chmod(pvfs, name->full_name, mode, name->allow_override) == -1) { + return pvfs_map_errno(pvfs, errno); + } + change_mask |= FILE_NOTIFY_CHANGE_ATTRIBUTES; + } + + *name = newstats; + + if (change_mask != 0) { + notify_trigger(pvfs->notify_context, + NOTIFY_ACTION_MODIFIED, + change_mask, + name->full_name); + } + + return pvfs_dosattrib_save(pvfs, name, -1); +} + |