Fix bug #7080 - Quota only shown when logged as root.
[ira/wip.git] / source3 / smbd / fake_file.c
index b4f1f02b7244662492c168de312615ed728557de..9917481351a6b1849af438402fa441dd49fbc6d0 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"
 
-extern struct current_user current_user;
+struct fake_file_type {
+       const char *name;
+       enum FAKE_FILE_TYPE type;
+       void *(*init_pd)(TALLOC_CTX *mem_ctx);
+};
 
-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.
 ****************************************************************************/
 
-files_struct *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,
-                               uint32 access_mask)
+                               const struct smb_filename *smb_fname,
+                               uint32 access_mask,
+                               files_struct **result)
 {
        files_struct *fsp = NULL;
+       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));
-               errno = EACCES;
-               return NULL;
+       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->server_info->unix_name));
+               return NT_STATUS_ACCESS_DENIED;
+
        }
 
-       fsp = file_new(conn);
-       if(!fsp) {
-               return NULL;
+       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 = True; /* Should this be true ? */
+       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);
-               return NULL;
-       }
-
-       conn->num_files_open++;
-       return fsp;
-}
-
-void destroy_fake_file_handle(FAKE_FILE_HANDLE **fh)
-{
-       if (!fh||!(*fh)) {
-               return;
-       }
-
-       if ((*fh)->free_pd) {
-               (*fh)->free_pd(&(*fh)->pd);             
+               file_free(req, fsp);
+               return NT_STATUS_NO_MEMORY;
        }
 
-       talloc_destroy((*fh)->mem_ctx);
-       (*fh) = NULL;
+       *result = fsp;
+       return NT_STATUS_OK;
 }
 
-int close_fake_file(files_struct *fsp)
+NTSTATUS close_fake_file(struct smb_request *req, files_struct *fsp)
 {
-       file_free(fsp);
-       return 0;
+       file_free(req, fsp);
+       return NT_STATUS_OK;
 }