ading new files from 3.0

(This used to be commit 99feae7b5b1c229a925367b87c0c0f636d9a2d75)

1 files changed, 166 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;
+}