s3:utils: let smbstatus report anonymous signing/encryption explicitly
[samba.git] / source3 / modules / vfs_aio_pthread.c
index 0b1a4caaa83f9409265e8b6c06eb60cb63e63b35..b099a6b5b52593c5c0c2b610724a62093dbe452e 100644 (file)
@@ -44,12 +44,13 @@ struct aio_open_private_data {
        struct aio_open_private_data *prev, *next;
        /* Inputs. */
        int dir_fd;
+       bool opened_dir_fd;
        int flags;
        mode_t mode;
        uint64_t mid;
        bool in_progress;
-       struct smb_filename *dname;
-       struct smb_filename *fname;
+       struct smb_filename *fsp_name;
+       struct smb_filename *smb_fname;
        connection_struct *conn;
        struct smbXsrv_connection *xconn;
        const struct security_unix_token *ux_tok;
@@ -110,9 +111,8 @@ static void aio_open_handle_completion(struct tevent_req *subreq)
                 * to the NULL context, so just free it so we
                 * don't leak memory.
                 */
-               DBG_NOTICE("aio open request for %s/%s abandoned in flight\n",
-                       opd->dname->base_name,
-                       opd->fname->base_name);
+               DBG_NOTICE("aio open request for %s abandoned in flight\n",
+                       opd->fsp_name->base_name);
                if (opd->ret_fd != -1) {
                        close(opd->ret_fd);
                        opd->ret_fd = -1;
@@ -152,10 +152,9 @@ static void aio_open_handle_completion(struct tevent_req *subreq)
        }
 
        DEBUG(10,("aio_open_handle_completion: mid %llu "
-               "for file %s/%s completed\n",
+               "for file %s completed\n",
                (unsigned long long)opd->mid,
-               opd->dname->base_name,
-               opd->fname->base_name));
+               opd->fsp_name->base_name));
 
        opd->in_progress = false;
 
@@ -202,7 +201,7 @@ static void aio_open_worker(void *private_data)
 static void aio_open_do(struct aio_open_private_data *opd)
 {
        opd->ret_fd = openat(opd->dir_fd,
-                       opd->fname->base_name,
+                       opd->smb_fname->base_name,
                        opd->flags,
                        opd->mode);
 
@@ -237,7 +236,7 @@ static void aio_open_do(struct aio_open_private_data *opd)
 
 static void opd_free(struct aio_open_private_data *opd)
 {
-       if (opd->dir_fd != -1) {
+       if (opd->opened_dir_fd && opd->dir_fd != -1) {
                close(opd->dir_fd);
        }
        DLIST_REMOVE(open_pd_list, opd);
@@ -248,14 +247,16 @@ static void opd_free(struct aio_open_private_data *opd)
  Create and initialize a private data struct for async open.
 ***********************************************************************/
 
-static struct aio_open_private_data *create_private_open_data(TALLOC_CTX *ctx,
-                                       const files_struct *fsp,
-                                       int flags,
-                                       mode_t mode)
+static struct aio_open_private_data *create_private_open_data(
+       TALLOC_CTX *ctx,
+       const struct files_struct *dirfsp,
+       const struct smb_filename *smb_fname,
+       const files_struct *fsp,
+       int flags,
+       mode_t mode)
 {
        struct aio_open_private_data *opd = talloc_zero(ctx,
                                        struct aio_open_private_data);
-       bool ok;
 
        if (!opd) {
                return NULL;
@@ -287,23 +288,30 @@ static struct aio_open_private_data *create_private_open_data(TALLOC_CTX *ctx,
        }
 
        /*
-        * Copy the parent directory name and the
-        * relative path within it.
+        * Copy the full fsp_name and smb_fname which is the basename.
         */
-       ok = parent_smb_fname(opd,
-                             fsp->fsp_name,
-                             &opd->dname,
-                             &opd->fname);
-       if (!ok) {
+       opd->smb_fname = cp_smb_filename(opd, smb_fname);
+       if (opd->smb_fname == NULL) {
                opd_free(opd);
                return NULL;
        }
 
+       opd->fsp_name = cp_smb_filename(opd, fsp->fsp_name);
+       if (opd->fsp_name == NULL) {
+               opd_free(opd);
+               return NULL;
+       }
+
+       if (fsp_get_pathref_fd(dirfsp) != AT_FDCWD) {
+               opd->dir_fd = fsp_get_pathref_fd(dirfsp);
+       } else {
 #if defined(O_DIRECTORY)
-       opd->dir_fd = open(opd->dname->base_name, O_RDONLY|O_DIRECTORY);
+               opd->dir_fd = open(".", O_RDONLY|O_DIRECTORY);
 #else
-       opd->dir_fd = open(opd->dname->base_name, O_RDONLY);
+               opd->dir_fd = open(".", O_RDONLY);
 #endif
+               opd->opened_dir_fd = true;
+       }
        if (opd->dir_fd == -1) {
                opd_free(opd);
                return NULL;
@@ -321,9 +329,8 @@ static int opd_inflight_destructor(struct aio_open_private_data *opd)
         * down which kills the fsp that owns
         * opd.
         */
-       DBG_NOTICE("aio open request for %s/%s cancelled\n",
-               opd->dname->base_name,
-               opd->fname->base_name);
+       DBG_NOTICE("aio open request for %s cancelled\n",
+               opd->fsp_name->base_name);
        opd->conn = NULL;
        /* Don't let opd go away. */
        return -1;
@@ -333,7 +340,8 @@ static int opd_inflight_destructor(struct aio_open_private_data *opd)
  Setup an async open.
 *****************************************************************/
 
-static int open_async(const struct smb_filename *smb_fname,
+static int open_async(const struct files_struct *dirfsp,
+                     const struct smb_filename *smb_fname,
                      const files_struct *fsp,
                      int flags,
                      mode_t mode)
@@ -352,7 +360,12 @@ static int open_async(const struct smb_filename *smb_fname,
         * opd is always safely freed in all codepath so no
         * memory leaks.
         */
-       opd = create_private_open_data(fsp->conn, fsp, flags, mode);
+       opd = create_private_open_data(fsp->conn,
+                                      dirfsp,
+                                      smb_fname,
+                                      fsp,
+                                      flags,
+                                      mode);
        if (opd == NULL) {
                DEBUG(10, ("open_async: Could not create private data.\n"));
                return -1;
@@ -368,10 +381,9 @@ static int open_async(const struct smb_filename *smb_fname,
        }
        tevent_req_set_callback(subreq, aio_open_handle_completion, opd);
 
-       DEBUG(5,("open_async: mid %llu created for file %s/%s\n",
+       DEBUG(5,("open_async: mid %llu created for file %s\n",
                (unsigned long long)opd->mid,
-               opd->dname->base_name,
-               opd->fname->base_name));
+               opd->fsp_name->base_name));
 
        /*
         * Add a destructor to protect us from connection
@@ -403,10 +415,9 @@ static bool find_completed_open(files_struct *fsp,
        if (opd->in_progress) {
                DEBUG(0,("find_completed_open: mid %llu "
                        "still in progress for "
-                       "file %s/%s. PANIC !\n",
+                       "file %s. PANIC !\n",
                        (unsigned long long)opd->mid,
-                       opd->dname->base_name,
-                       opd->fname->base_name));
+                       opd->fsp_name->base_name));
                /* Disaster ! This is an open timeout. Just panic. */
                smb_panic("find_completed_open - in_progress\n");
                /* notreached. */
@@ -435,36 +446,65 @@ static bool find_completed_open(files_struct *fsp,
  opens to prevent any race conditions.
 *****************************************************************/
 
-static int aio_pthread_open_fn(vfs_handle_struct *handle,
-                       struct smb_filename *smb_fname,
-                       files_struct *fsp,
-                       int flags,
-                       mode_t mode)
+static int aio_pthread_openat_fn(vfs_handle_struct *handle,
+                                const struct files_struct *dirfsp,
+                                const struct smb_filename *smb_fname,
+                                struct files_struct *fsp,
+                                const struct vfs_open_how *how)
 {
        int my_errno = 0;
        int fd = -1;
        bool aio_allow_open = lp_parm_bool(
                SNUM(handle->conn), "aio_pthread", "aio open", false);
 
-       if (smb_fname->stream_name) {
+       if (how->resolve != 0) {
+               errno = ENOSYS;
+               return -1;
+       }
+
+       if (is_named_stream(smb_fname)) {
                /* Don't handle stream opens. */
                errno = ENOENT;
                return -1;
        }
 
-       if (!aio_allow_open) {
-               /* aio opens turned off. */
-               return open(smb_fname->base_name, flags, mode);
+       if (fsp->conn->sconn->pool == NULL) {
+               /*
+                * a threadpool is required for async support
+                */
+               aio_allow_open = false;
+       }
+
+       if (fsp->conn->sconn->client != NULL &&
+           fsp->conn->sconn->client->server_multi_channel_enabled) {
+               /*
+                * This module is not compatible with multi channel yet.
+                */
+               aio_allow_open = false;
        }
 
-       if (!(flags & O_CREAT)) {
+       if (fsp->fsp_flags.is_pathref) {
+               /* Use SMB_VFS_NEXT_OPENAT() to call openat() with O_PATH. */
+               aio_allow_open = false;
+       }
+
+       if (!(how->flags & O_CREAT)) {
                /* Only creates matter. */
-               return open(smb_fname->base_name, flags, mode);
+               aio_allow_open = false;
        }
 
-       if (!(flags & O_EXCL)) {
+       if (!(how->flags & O_EXCL)) {
                /* Only creates with O_EXCL matter. */
-               return open(smb_fname->base_name, flags, mode);
+               aio_allow_open = false;
+       }
+
+       if (!aio_allow_open) {
+               /* aio opens turned off. */
+               return SMB_VFS_NEXT_OPENAT(handle,
+                             dirfsp,
+                             smb_fname,
+                             fsp,
+                             how);
        }
 
        /*
@@ -480,13 +520,13 @@ static int aio_pthread_open_fn(vfs_handle_struct *handle,
        }
 
        /* Ok, it's a create exclusive call - pass it to a thread helper. */
-       return open_async(smb_fname, fsp, flags, mode);
+       return open_async(dirfsp, smb_fname, fsp, how->flags, how->mode);
 }
 #endif
 
 static struct vfs_fn_pointers vfs_aio_pthread_fns = {
 #if defined(HAVE_OPENAT) && defined(HAVE_LINUX_THREAD_CREDENTIALS)
-       .open_fn = aio_pthread_open_fn,
+       .openat_fn = aio_pthread_openat_fn,
 #endif
 };