s3-param use common struct parmlist_entry to hold parametric options
[samba.git] / source3 / smbd / fake_file.c
index 7c5eeae5c7d2d19f15d6c32dfeeb82ace7b1dee9..81f7686726b171a33654d47754596f8c98abea06 100644 (file)
@@ -5,7 +5,7 @@
    
    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
+   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,
    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.
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "includes.h"
+#include "smbd/smbd.h"
+#include "fake_file.h"
+#include "auth.h"
+
+struct fake_file_type {
+       const char *name;
+       enum FAKE_FILE_TYPE type;
+       void *(*init_pd)(TALLOC_CTX *mem_ctx);
+};
 
-extern struct current_user current_user;
-
-static FAKE_FILE fake_files[] = {
+static const struct fake_file_type fake_files[] = {
 #ifdef WITH_QUOTAS
-       {FAKE_FILE_NAME_QUOTA_UNIX,     FAKE_FILE_TYPE_QUOTA,   init_quota_handle,      destroy_quota_handle},
+       {FAKE_FILE_NAME_QUOTA_UNIX, FAKE_FILE_TYPE_QUOTA, init_quota_handle},
 #endif /* WITH_QUOTAS */
-       {NULL,                          FAKE_FILE_TYPE_NONE,    NULL,                   NULL }
+       {NULL, FAKE_FILE_TYPE_NONE, NULL}
 };
 
 /****************************************************************************
  Create a fake file handle
 ****************************************************************************/
 
-static struct _FAKE_FILE_HANDLE *init_fake_file_handle(enum FAKE_FILE_TYPE type)
+static struct fake_file_handle *init_fake_file_handle(enum FAKE_FILE_TYPE type)
 {
-       TALLOC_CTX *mem_ctx = NULL;
-       FAKE_FILE_HANDLE *fh = NULL;
+       struct fake_file_handle *fh = NULL;
        int i;
 
-       for (i=0;fake_files[i].name!=NULL;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;    
-                       }
+                       break;
+               }
+       }
 
-                       if ((fh =TALLOC_ZERO_P(mem_ctx, FAKE_FILE_HANDLE))==NULL) {
-                               DEBUG(0,("talloc_zero() failed.\n"));
-                               talloc_destroy(mem_ctx);
-                               return NULL;
-                       }
+       if (fake_files[i].name == NULL) {
+               return NULL;
+       }
 
-                       fh->type = type;
-                       fh->mem_ctx = mem_ctx;
+       DEBUG(5,("init_fake_file_handle: for [%s]\n",fake_files[i].name));
 
-                       if (fake_files[i].init_pd) {
-                               fh->pd = fake_files[i].init_pd(fh->mem_ctx);
-                       }
+       fh = talloc(NULL, struct fake_file_handle);
+       if (fh == NULL) {
+               DEBUG(0,("TALLOC_ZERO() failed.\n"));
+               return NULL;
+       }
 
-                       fh->free_pd = fake_files[i].free_pd;
+       fh->type = type;
 
-                       return fh;
-               }
+       if (fake_files[i].init_pd) {
+               fh->private_data = fake_files[i].init_pd(fh);
        }
-
-       return NULL;    
+       return fh;
 }
 
 /****************************************************************************
  Does this name match a fake filename ?
 ****************************************************************************/
 
-enum FAKE_FILE_TYPE is_fake_file(const char *fname)
+enum FAKE_FILE_TYPE is_fake_file_path(const char *path)
 {
-#ifdef HAVE_SYS_QUOTAS
        int i;
-#endif
 
-       if (!fname) {
+       if (!path) {
                return FAKE_FILE_TYPE_NONE;
        }
 
-#ifdef HAVE_SYS_QUOTAS
        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));
+               if (strncmp(path,fake_files[i].name,strlen(fake_files[i].name))==0) {
+                       DEBUG(5,("is_fake_file: [%s] is a fake file\n",path));
                        return fake_files[i].type;
                }
        }
-#endif
 
        return FAKE_FILE_TYPE_NONE;
 }
 
+enum FAKE_FILE_TYPE is_fake_file(const struct smb_filename *smb_fname)
+{
+       char *fname = NULL;
+       NTSTATUS status;
+       enum FAKE_FILE_TYPE ret;
+
+       if (!smb_fname) {
+               return FAKE_FILE_TYPE_NONE;
+       }
+
+       status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
+       if (!NT_STATUS_IS_OK(status)) {
+               return FAKE_FILE_TYPE_NONE;
+       }
+
+       ret = is_fake_file_path(fname);
+
+       TALLOC_FREE(fname);
+
+       return ret;
+}
 
 /****************************************************************************
  Open a fake quota file with a share mode.
 ****************************************************************************/
 
-NTSTATUS open_fake_file(connection_struct *conn,
+NTSTATUS open_fake_file(struct smb_request *req, connection_struct *conn,
+                               uint16_t current_vuid,
                                enum FAKE_FILE_TYPE fake_file_type,
-                               const char *fname,
+                               const struct smb_filename *smb_fname,
                                uint32 access_mask,
                                files_struct **result)
 {
@@ -111,57 +129,50 @@ NTSTATUS open_fake_file(connection_struct *conn,
        NTSTATUS status;
 
        /* access check */
-       if (current_user.ut.uid != 0) {
-               DEBUG(1,("open_fake_file_shared: access_denied to service[%s] file[%s] user[%s]\n",
-                       lp_servicename(SNUM(conn)),fname,conn->user));
+       if (geteuid() != sec_initial_uid()) {
+               DEBUG(3, ("open_fake_file_shared: access_denied to "
+                         "service[%s] file[%s] user[%s]\n",
+                         lp_servicename(SNUM(conn)),
+                         smb_fname_str_dbg(smb_fname),
+                         conn->session_info->unix_name));
                return NT_STATUS_ACCESS_DENIED;
 
        }
 
-       status = file_new(conn, &fsp);
+       status = file_new(req, conn, &fsp);
        if(!NT_STATUS_IS_OK(status)) {
                return status;
        }
 
        DEBUG(5,("open_fake_file_shared: fname = %s, FID = %d, access_mask = 0x%x\n",
-               fname, fsp->fnum, (unsigned int)access_mask));
+                smb_fname_str_dbg(smb_fname), fsp->fnum,
+                (unsigned int)access_mask));
 
        fsp->conn = conn;
        fsp->fh->fd = -1;
-       fsp->vuid = current_user.vuid;
+       fsp->vuid = current_vuid;
        fsp->fh->pos = -1;
        fsp->can_lock = False; /* Should this be true ? - No, JRA */
        fsp->access_mask = access_mask;
-       string_set(&fsp->fsp_name,fname);
-       
+       status = fsp_set_smb_fname(fsp, smb_fname);
+       if (!NT_STATUS_IS_OK(status)) {
+               file_free(req, fsp);
+               return NT_STATUS_NO_MEMORY;
+       }
+
        fsp->fake_file_handle = init_fake_file_handle(fake_file_type);
        
        if (fsp->fake_file_handle==NULL) {
-               file_free(fsp);
+               file_free(req, fsp);
                return NT_STATUS_NO_MEMORY;
        }
 
-       conn->num_files_open++;
        *result = fsp;
        return NT_STATUS_OK;
 }
 
-void destroy_fake_file_handle(FAKE_FILE_HANDLE **fh)
+NTSTATUS close_fake_file(struct smb_request *req, files_struct *fsp)
 {
-       if (!fh||!(*fh)) {
-               return;
-       }
-
-       if ((*fh)->free_pd) {
-               (*fh)->free_pd(&(*fh)->pd);             
-       }
-
-       talloc_destroy((*fh)->mem_ctx);
-       (*fh) = NULL;
-}
-
-int close_fake_file(files_struct *fsp)
-{
-       file_free(fsp);
-       return 0;
+       file_free(req, fsp);
+       return NT_STATUS_OK;
 }