ading new files from 3.0

(This used to be commit 99feae7b5b1c229a925367b87c0c0f636d9a2d75)

2 files changed, 425 insertions, 0 deletions

diff --git a/source3/smbd/fake_file.c b/source3/smbd/fake_file.c
new file mode 100644
index 0000000000..86d78e039a
--- /dev/null
+++ b/source3/smbd/fake_file.c
@@ -0,0 +1,166 @@
+/* 
+   Unix SMB/CIFS implementation.
+   FAKE FILE suppport, for faking up special files windows want access to
+   Copyright (C) Stefan (metze) Metzmacher	2003
+   
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+/****************************************************************************
+ Open a file with a share mode.
+****************************************************************************/
+files_struct *open_fake_file_shared1(enum FAKE_FILE_TYPE fake_file_type, connection_struct *conn,char *fname,
+				SMB_STRUCT_STAT *psbuf, 
+				uint32 desired_access, 
+				int share_mode,int ofun, mode_t mode,int oplock_request, 
+				int *Access,int *action)
+{
+	extern struct current_user current_user;
+	int flags=0;
+	files_struct *fsp = NULL;
+
+	if (fake_file_type == 0) {
+		return open_file_shared1(conn,fname,psbuf,desired_access,
+					share_mode,ofun,mode,
+					oplock_request,Access,action);	
+	}
+
+	/* access check */
+	if (conn->admin_user != True) {
+		DEBUG(1,("access_denied to service[%s] file[%s] user[%s]\n",
+			lp_servicename(SNUM(conn)),fname,conn->user));
+		errno = EACCES;
+		return NULL;
+	}
+
+	fsp = file_new(conn);
+	if(!fsp)
+		return NULL;
+
+	DEBUG(5,("open_fake_file_shared1: fname = %s, FID = %d, share_mode = %x, ofun = %x, mode = %o, oplock request = %d\n",
+		fname, fsp->fnum, share_mode, ofun, (int)mode,  oplock_request ));
+
+	if (!check_name(fname,conn)) {
+		file_free(fsp);
+		return NULL;
+	} 
+
+	fsp->fd = -1;
+	fsp->mode = psbuf->st_mode;
+	fsp->inode = psbuf->st_ino;
+	fsp->dev = psbuf->st_dev;
+	fsp->vuid = current_user.vuid;
+	fsp->size = psbuf->st_size;
+	fsp->pos = -1;
+	fsp->can_lock = True;
+	fsp->can_read = ((flags & O_WRONLY)==0);
+	fsp->can_write = ((flags & (O_WRONLY|O_RDWR))!=0);
+	fsp->share_mode = 0;
+	fsp->desired_access = desired_access;
+	fsp->print_file = False;
+	fsp->modified = False;
+	fsp->oplock_type = NO_OPLOCK;
+	fsp->sent_oplock_break = NO_BREAK_SENT;
+	fsp->is_directory = False;
+	fsp->is_stat = False;
+	fsp->directory_delete_on_close = False;
+	fsp->conn = conn;
+	string_set(&fsp->fsp_name,fname);
+	fsp->wcp = NULL; /* Write cache pointer. */
+	
+	fsp->fake_file_handle = init_fake_file_handle(fake_file_type);
+	
+	if (fsp->fake_file_handle==NULL) {
+		file_free(fsp);
+		return NULL;
+	}
+
+	conn->num_files_open++;
+	return fsp;
+}
+
+static FAKE_FILE fake_files[] = {
+#ifdef WITH_QUOTAS
+	{FAKE_FILE_NAME_QUOTA,	FAKE_FILE_TYPE_QUOTA,	init_quota_handle,	destroy_quota_handle},
+#endif /* WITH_QUOTAS */
+	{NULL,			FAKE_FILE_TYPE_NONE,	NULL,			NULL }
+};
+
+int is_fake_file(char *fname)
+{
+	int i;
+
+	if (!fname)
+		return 0;
+
+	for (i=0;fake_files[i].name!=NULL;i++) {
+		if (strncmp(fname,fake_files[i].name,strlen(fake_files[i].name))==0) {
+			DEBUG(5,("is_fake_file: [%s] is a fake file\n",fname));
+			return fake_files[i].type;
+		}
+	}
+
+	return FAKE_FILE_TYPE_NONE;
+}
+
+struct _FAKE_FILE_HANDLE *init_fake_file_handle(enum FAKE_FILE_TYPE type)
+{
+	TALLOC_CTX *mem_ctx = NULL;
+	FAKE_FILE_HANDLE *fh = NULL;
+	int i;
+
+	for (i=0;fake_files[i].name!=NULL;i++) {
+		if (fake_files[i].type==type) {
+			DEBUG(5,("init_fake_file_handle: for [%s]\n",fake_files[i].name));
+
+			if ((mem_ctx=talloc_init("fake_file_handle"))==NULL) {
+				DEBUG(0,("talloc_init(fake_file_handle) failed.\n"));
+				return NULL;	
+			}
+
+			if ((fh =(FAKE_FILE_HANDLE *)talloc_zero(mem_ctx, sizeof(FAKE_FILE_HANDLE)))==NULL) {
+				DEBUG(0,("talloc_zero() failed.\n"));
+				talloc_destroy(mem_ctx);
+				return NULL;
+			}
+
+			fh->type = type;
+			fh->mem_ctx = mem_ctx;
+
+			if (fake_files[i].init_pd)
+				fh->pd = fake_files[i].init_pd(fh->mem_ctx);
+
+			fh->free_pd = fake_files[i].free_pd;
+
+			return fh;
+		}
+	}
+
+	return NULL;	
+}
+
+void destroy_fake_file_handle(FAKE_FILE_HANDLE **fh)
+{
+	if (!fh||!(*fh))
+		return ;
+
+	if ((*fh)->free_pd)
+		(*fh)->free_pd(&(*fh)->pd);		
+
+	talloc_destroy((*fh)->mem_ctx);
+	(*fh) = NULL;
+}
diff --git a/source3/smbd/ntquotas.c b/source3/smbd/ntquotas.c
new file mode 100644
index 0000000000..2e865000ec
--- /dev/null
+++ b/source3/smbd/ntquotas.c
@@ -0,0 +1,259 @@
+/* 
+   Unix SMB/CIFS implementation.
+   NT QUOTA suppport
+   Copyright (C) Stefan (metze) Metzmacher	2003
+   
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+static SMB_BIG_UINT limit_nt2unix(SMB_BIG_UINT in, SMB_BIG_UINT bsize)
+{
+	SMB_BIG_UINT ret = (SMB_BIG_UINT)0;
+
+	ret = 	(SMB_BIG_UINT)(in/bsize);
+	if (in>0 && ret==0) {
+		/* we have to make sure that a overflow didn't set NO_LIMIT */
+		ret = (SMB_BIG_UINT)1;
+	}
+
+	if (in == SMB_NTQUOTAS_NO_LIMIT)
+		ret = SMB_QUOTAS_NO_LIMIT;
+	else if (in == SMB_NTQUOTAS_NO_SPACE)
+		ret = SMB_QUOTAS_NO_SPACE;
+	else if (in == SMB_NTQUOTAS_NO_ENTRY)
+		ret = SMB_QUOTAS_NO_LIMIT;
+
+	return ret;
+}
+
+static SMB_BIG_UINT limit_unix2nt(SMB_BIG_UINT in, SMB_BIG_UINT bsize)
+{
+	SMB_BIG_UINT ret = (SMB_BIG_UINT)0;
+
+	ret = (SMB_BIG_UINT)(in*bsize);
+	
+	if (ret < in) {
+		/* we overflow */
+		ret = SMB_NTQUOTAS_NO_LIMIT;
+	}
+
+	if (in == SMB_QUOTAS_NO_LIMIT)
+		ret = SMB_NTQUOTAS_NO_LIMIT;
+
+	return ret;
+}
+
+static SMB_BIG_UINT limit_blk2inodes(SMB_BIG_UINT in)
+{
+	SMB_BIG_UINT ret = (SMB_BIG_UINT)0;
+	
+	ret = (SMB_BIG_UINT)(in/2);
+	
+	if (ret == 0 && in != 0)
+		ret = (SMB_BIG_UINT)1;
+
+	return ret;	
+}
+
+int vfs_get_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, DOM_SID *psid, SMB_NTQUOTA_STRUCT *qt)
+{
+	int ret;
+	SMB_DISK_QUOTA D;
+	unid_t id;
+
+	ZERO_STRUCT(D);
+
+	if (!fsp||!fsp->conn||!qt)
+		return (-1);
+
+	ZERO_STRUCT(*qt);
+
+	id.uid = -1;
+
+	if (psid && !NT_STATUS_IS_OK(sid_to_uid(psid, &id.uid))) {
+		DEBUG(0,("sid_to_uid: failed, SID[%s]\n",
+			sid_string_static(psid)));	
+	}
+
+	ret = SMB_VFS_GET_QUOTA(fsp->conn, qtype, id, &D);
+
+	if (psid)
+		qt->sid    = *psid;
+
+	if (ret!=0) {
+		return ret;
+	}
+		
+	qt->usedspace = (SMB_BIG_UINT)D.curblocks*D.bsize;
+	qt->softlim = limit_unix2nt(D.softlimit, D.bsize);
+	qt->hardlim = limit_unix2nt(D.hardlimit, D.bsize);
+	qt->qflags = D.qflags;
+
+	
+	return 0;
+}
+
+int vfs_set_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, DOM_SID *psid, SMB_NTQUOTA_STRUCT *qt)
+{
+	int ret;
+	SMB_DISK_QUOTA D;
+	unid_t id;
+	ZERO_STRUCT(D);
+
+	if (!fsp||!fsp->conn||!qt)
+		return (-1);
+
+	id.uid = -1;
+
+	D.bsize     = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
+
+	D.softlimit = limit_nt2unix(qt->softlim,D.bsize);
+	D.hardlimit = limit_nt2unix(qt->hardlim,D.bsize);
+	D.qflags     = qt->qflags;
+
+	D.isoftlimit = limit_blk2inodes(D.softlimit);
+	D.ihardlimit = limit_blk2inodes(D.hardlimit);
+
+	if (psid && !NT_STATUS_IS_OK(sid_to_uid(psid, &id.uid))) {
+		DEBUG(0,("sid_to_uid: failed, SID[%s]\n",
+			sid_string_static(psid)));	
+	}
+
+	ret = SMB_VFS_SET_QUOTA(fsp->conn, qtype, id, &D);
+	
+	return ret;
+}
+
+static BOOL allready_in_quota_list(SMB_NTQUOTA_LIST *qt_list, uid_t uid)
+{
+	SMB_NTQUOTA_LIST *tmp_list = NULL;
+	
+	if (!qt_list)
+		return False;
+
+	for (tmp_list=qt_list;tmp_list!=NULL;tmp_list=tmp_list->next) {
+		if (tmp_list->uid == uid) {
+			return True;	
+		}
+	}
+
+	return False;
+}
+
+int vfs_get_user_ntquota_list(files_struct *fsp, SMB_NTQUOTA_LIST **qt_list)
+{
+	struct passwd *usr;
+	TALLOC_CTX *mem_ctx = NULL;
+
+	if (!fsp||!fsp->conn||!qt_list)
+		return (-1);
+
+	*qt_list = NULL;
+
+	if ((mem_ctx=talloc_init("SMB_USER_QUOTA_LIST"))==NULL) {
+		DEBUG(0,("talloc_init() failed\n"));
+		return (-1);
+	}
+
+	sys_setpwent();
+	while ((usr = sys_getpwent()) != NULL) {
+		SMB_NTQUOTA_STRUCT tmp_qt;
+		SMB_NTQUOTA_LIST *tmp_list_ent;
+		DOM_SID	sid;
+
+		ZERO_STRUCT(tmp_qt);
+
+		if (allready_in_quota_list((*qt_list),usr->pw_uid)) {
+			DEBUG(5,("record for uid[%ld] allready in the list\n",(long)usr->pw_uid));
+			continue;
+		}
+
+		if (!NT_STATUS_IS_OK(uid_to_sid(&sid, usr->pw_uid))) {
+			DEBUG(0,("uid_to_sid failed for %ld\n",(long)usr->pw_uid));
+			continue;
+		}
+
+		if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &tmp_qt)!=0) {
+			DEBUG(1,("no quota entry for sid[%s] path[%s]\n",
+				sid_string_static(&sid),fsp->conn->connectpath));
+			continue;
+		}
+
+		DEBUG(15,("quota entry for id[%s] path[%s]\n",
+			sid_string_static(&sid),fsp->conn->connectpath));
+
+		if ((tmp_list_ent=(SMB_NTQUOTA_LIST *)talloc_zero(mem_ctx,sizeof(SMB_NTQUOTA_LIST)))==NULL) {
+			DEBUG(0,("talloc_zero() failed\n"));
+			*qt_list = NULL;
+			talloc_destroy(mem_ctx);
+			return (-1);
+		}
+
+		if ((tmp_list_ent->quotas=(SMB_NTQUOTA_STRUCT *)talloc_zero(mem_ctx,sizeof(SMB_NTQUOTA_STRUCT)))==NULL) {
+			DEBUG(0,("talloc_zero() failed\n"));
+			*qt_list = NULL;
+			talloc_destroy(mem_ctx);
+			return (-1);
+		}
+
+		tmp_list_ent->uid = usr->pw_uid;
+		memcpy(tmp_list_ent->quotas,&tmp_qt,sizeof(tmp_qt));
+		tmp_list_ent->mem_ctx = mem_ctx;
+
+		DLIST_ADD((*qt_list),tmp_list_ent);
+		
+	}
+	sys_endpwent();
+
+	return 0;
+}
+
+void *init_quota_handle(TALLOC_CTX *mem_ctx)
+{
+	SMB_NTQUOTA_HANDLE *qt_handle;
+
+	if (!mem_ctx)
+		return False;
+
+	qt_handle = (SMB_NTQUOTA_HANDLE *)talloc_zero(mem_ctx,sizeof(SMB_NTQUOTA_HANDLE));
+	if (qt_handle==NULL) {
+		DEBUG(0,("talloc_zero() failed\n"));
+		return NULL;
+	}
+
+	return (void *)qt_handle;	
+}
+
+void destroy_quota_handle(void **pqt_handle)
+{
+	SMB_NTQUOTA_HANDLE *qt_handle = NULL;
+	if (!pqt_handle||!(*pqt_handle))
+		return;
+	
+	qt_handle = (*pqt_handle);
+	
+	
+	if (qt_handle->quota_list)
+		free_ntquota_list(&qt_handle->quota_list);
+
+	qt_handle->quota_list = NULL;
+	qt_handle->tmp_list = NULL;
+	qt_handle = NULL;
+
+	return;
+}
+