Merge branch 'v4-0-test' of ssh://git.samba.org/data/git/samba into v4-0-gmake3

Conflicts:

	source/Makefile
	source/build/smb_build/makefile.pm
	source/librpc/config.mk
(This used to be commit 3e02fcfd3fb6683f51417ba39f4ec177494eff3e)

8 files changed, 155 insertions, 29 deletions

diff --git a/source4/ntvfs/common/opendb.c b/source4/ntvfs/common/opendb.c
index d8cb67686b..6c1a9c070a 100644
--- a/source4/ntvfs/common/opendb.c
+++ b/source4/ntvfs/common/opendb.c
@@ -143,6 +143,14 @@ _PUBLIC_ NTSTATUS odb_rename(struct odb_lock *lck, const char *path)
 }
 
 /*
+  get back the path of an open file
+*/
+_PUBLIC_ NTSTATUS odb_get_path(struct odb_lock *lck, const char **path)
+{
+	return ops->odb_get_path(lck, path);
+}
+
+/*
   update delete on close flag on an open file
 */
 _PUBLIC_ NTSTATUS odb_set_delete_on_close(struct odb_lock *lck, bool del_on_close)
diff --git a/source4/ntvfs/common/opendb.h b/source4/ntvfs/common/opendb.h
index 33f2e1c88d..69a7f718ba 100644
--- a/source4/ntvfs/common/opendb.h
+++ b/source4/ntvfs/common/opendb.h
@@ -36,6 +36,7 @@ struct opendb_ops {
 				   const char **delete_path);
 	NTSTATUS (*odb_remove_pending)(struct odb_lock *lck, void *private);
 	NTSTATUS (*odb_rename)(struct odb_lock *lck, const char *path);
+	NTSTATUS (*odb_get_path)(struct odb_lock *lck, const char **path);
 	NTSTATUS (*odb_set_delete_on_close)(struct odb_lock *lck, bool del_on_close);
 	NTSTATUS (*odb_get_delete_on_close)(struct odb_context *odb, 
 					    DATA_BLOB *key, bool *del_on_close);
diff --git a/source4/ntvfs/common/opendb_tdb.c b/source4/ntvfs/common/opendb_tdb.c
index 37c1c0850b..47b35f594c 100644
--- a/source4/ntvfs/common/opendb_tdb.c
+++ b/source4/ntvfs/common/opendb_tdb.c
@@ -714,6 +714,25 @@ static NTSTATUS odb_tdb_rename(struct odb_lock *lck, const char *path)
 }
 
 /*
+  get the path of an open file
+*/
+static NTSTATUS odb_tdb_get_path(struct odb_lock *lck, const char **path)
+{
+	struct opendb_file file;
+	NTSTATUS status;
+
+	*path = NULL;
+
+	status = odb_pull_record(lck, &file);
+	/* we don't ignore NT_STATUS_OBJECT_NAME_NOT_FOUND here */
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	*path = file.path;
+
+	return NT_STATUS_OK;
+}
+
+/*
   update delete on close flag on an open file
 */
 static NTSTATUS odb_tdb_set_delete_on_close(struct odb_lock *lck, bool del_on_close)
@@ -802,6 +821,7 @@ static const struct opendb_ops opendb_tdb_ops = {
 	.odb_close_file          = odb_tdb_close_file,
 	.odb_remove_pending      = odb_tdb_remove_pending,
 	.odb_rename              = odb_tdb_rename,
+	.odb_get_path            = odb_tdb_get_path,
 	.odb_set_delete_on_close = odb_tdb_set_delete_on_close,
 	.odb_get_delete_on_close = odb_tdb_get_delete_on_close,
 	.odb_can_open            = odb_tdb_can_open,
diff --git a/source4/ntvfs/posix/pvfs_open.c b/source4/ntvfs/posix/pvfs_open.c
index 740a0a9d13..adf4c1ac18 100644
--- a/source4/ntvfs/posix/pvfs_open.c
+++ b/source4/ntvfs/posix/pvfs_open.c
@@ -144,8 +144,8 @@ static NTSTATUS pvfs_open_setup_eas_acl(struct pvfs_state *pvfs,
   form the lock context used for opendb locking. Note that we must
   zero here to take account of possible padding on some architectures
 */
-static NTSTATUS pvfs_locking_key(struct pvfs_filename *name, 
-				 TALLOC_CTX *mem_ctx, DATA_BLOB *key)
+NTSTATUS pvfs_locking_key(struct pvfs_filename *name,
+			  TALLOC_CTX *mem_ctx, DATA_BLOB *key)
 {
 	struct {
 		dev_t device;
diff --git a/source4/ntvfs/posix/pvfs_qfileinfo.c b/source4/ntvfs/posix/pvfs_qfileinfo.c
index 6ed729541f..6bc21e5e3e 100644
--- a/source4/ntvfs/posix/pvfs_qfileinfo.c
+++ b/source4/ntvfs/posix/pvfs_qfileinfo.c
@@ -368,7 +368,7 @@ NTSTATUS pvfs_qfileinfo(struct ntvfs_module_context *ntvfs,
 	}
 
 	/* update the file information */
-	status = pvfs_resolve_name_fd(pvfs, h->fd, h->name);
+	status = pvfs_resolve_name_handle(pvfs, h);
 	if (!NT_STATUS_IS_OK(status)) {
 		return status;
 	}
diff --git a/source4/ntvfs/posix/pvfs_rename.c b/source4/ntvfs/posix/pvfs_rename.c
index 185e35f800..29b2d03005 100644
--- a/source4/ntvfs/posix/pvfs_rename.c
+++ b/source4/ntvfs/posix/pvfs_rename.c
@@ -28,16 +28,22 @@
 /*
   do a file rename, and send any notify triggers
 */
-NTSTATUS pvfs_do_rename(struct pvfs_state *pvfs, const struct pvfs_filename *name1, 
+NTSTATUS pvfs_do_rename(struct pvfs_state *pvfs,
+			struct odb_lock *lck,
+			const struct pvfs_filename *name1,
 			const char *name2)
 {
 	const char *r1, *r2;
 	uint32_t mask;
+	NTSTATUS status;
 
 	if (rename(name1->full_name, name2) == -1) {
 		return pvfs_map_errno(pvfs, errno);
 	}
 
+	status = odb_rename(lck, name2);
+	NT_STATUS_NOT_OK_RETURN(status);
+
 	if (name1->dos.attrib & FILE_ATTRIBUTE_DIRECTORY) {
 		mask = FILE_NOTIFY_CHANGE_DIR_NAME;
 	} else {
@@ -315,11 +321,7 @@ static NTSTATUS pvfs_rename_one(struct pvfs_state *pvfs,
 		return NT_STATUS_NO_MEMORY;
 	}
 
-	status = pvfs_do_rename(pvfs, name1, fname2);
-
-	if (NT_STATUS_IS_OK(status)) {
-		status = odb_rename(lck, fname2);
-	}
+	status = pvfs_do_rename(pvfs, lck, name1, fname2);
 
 failed:
 	talloc_free(mem_ctx);
@@ -448,9 +450,9 @@ static NTSTATUS pvfs_rename_mv(struct ntvfs_module_context *ntvfs,
 		return status;
 	}
 
-	status = pvfs_do_rename(pvfs, name1, name2->full_name);
-	if (NT_STATUS_IS_OK(status)) {
-		status = odb_rename(lck, name2->full_name);
+	status = pvfs_do_rename(pvfs, lck, name1, name2->full_name);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
 	}
 	
 	return NT_STATUS_OK;
@@ -532,10 +534,7 @@ static NTSTATUS pvfs_rename_nt(struct ntvfs_module_context *ntvfs,
 	case RENAME_FLAG_RENAME:
 		status = pvfs_access_check_parent(pvfs, req, name2, SEC_DIR_ADD_FILE);
 		NT_STATUS_NOT_OK_RETURN(status);
-		status = pvfs_do_rename(pvfs, name1, name2->full_name);
-		if (NT_STATUS_IS_OK(status)) {
-			status = odb_rename(lck, name2->full_name);
-		}
+		status = pvfs_do_rename(pvfs, lck, name1, name2->full_name);
 		NT_STATUS_NOT_OK_RETURN(status);
 		break;
 
diff --git a/source4/ntvfs/posix/pvfs_resolve.c b/source4/ntvfs/posix/pvfs_resolve.c
index 2bfc47beff..325bc74f8f 100644
--- a/source4/ntvfs/posix/pvfs_resolve.c
+++ b/source4/ntvfs/posix/pvfs_resolve.c
@@ -265,8 +265,15 @@ static NTSTATUS pvfs_unix_path(struct pvfs_state *pvfs, const char *cifs_name,
 				   of a name */
 				return NT_STATUS_ILLEGAL_CHARACTER;
 			}
-			if (p > p_start && p[1] == 0) {
-				*p = 0;
+			if (p > p_start && (p[1] == '\\' || p[1] == '\0')) {
+				/* see if it is definately a "\\" or
+				 * a trailing "\". If it is then fail here,
+				 * and let the next layer up try again after
+				 * pvfs_reduce_name() if it wants to. This is
+				 * much more efficient on average than always
+				 * scanning for these separately
+				 */
+				return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
 			} else {
 				*p = '/';
 			}
@@ -399,7 +406,7 @@ static NTSTATUS pvfs_reduce_name(TALLOC_CTX *mem_ctx,
 		if (ISDOTDOT(components[i])) {
 			if (i < 1) return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
 			memmove(&components[i-1], &components[i+1], 
-				sizeof(char *)*(num_components-(i+1)));
+				sizeof(char *)*(num_components-i));
 			i -= 2;
 			continue;
 		}
@@ -616,6 +623,86 @@ NTSTATUS pvfs_resolve_name_fd(struct pvfs_state *pvfs, int fd,
 	return pvfs_fill_dos_info(pvfs, name, fd);
 }
 
+/*
+  fill in the pvfs_filename info for an open file, given the current
+  info for a (possibly) non-open file. This is used by places that need
+  to update the pvfs_filename stat information, and the path
+  after a possible rename on a different handle.
+*/
+NTSTATUS pvfs_resolve_name_handle(struct pvfs_state *pvfs,
+				  struct pvfs_file_handle *h)
+{
+	NTSTATUS status;
+
+	if (h->have_opendb_entry) {
+		struct odb_lock *lck;
+		const char *name = NULL;
+
+		lck = odb_lock(h, h->pvfs->odb_context, &h->odb_locking_key);
+		if (lck == NULL) {
+			DEBUG(0,("%s: failed to lock file '%s' in opendb\n",
+				 __FUNCTION__, h->name->full_name));
+			/* we were supposed to do a blocking lock, so something
+			   is badly wrong! */
+			return NT_STATUS_INTERNAL_DB_CORRUPTION;
+		}
+
+		status = odb_get_path(lck, &name);
+		if (NT_STATUS_IS_OK(status)) {
+			/*
+			 * This relies an the fact that
+			 * renames of open files are only
+			 * allowed by setpathinfo() and setfileinfo()
+			 * and there're only renames within the same
+			 * directory supported
+			 */
+			if (strcmp(h->name->full_name, name) != 0) {
+				const char *orig_dir;
+				const char *new_file;
+				const char *new_orig;
+				char *delim;
+
+				delim = strrchr(name, '/');
+				if (!delim) {
+					talloc_free(lck);
+					return NT_STATUS_INTERNAL_ERROR;
+				}
+
+				new_file = delim + 1;
+				delim = strrchr(h->name->original_name, '\\');
+				if (delim) {
+					delim[0] = '\0';
+					orig_dir = h->name->original_name;
+					new_orig = talloc_asprintf(h->name, "%s\\%s",
+								   orig_dir, new_file);
+					if (!new_orig) {
+						talloc_free(lck);
+						return NT_STATUS_NO_MEMORY;
+					}
+				} else {
+					new_orig = talloc_strdup(h->name, new_file);
+					if (!new_orig) {
+						talloc_free(lck);
+						return NT_STATUS_NO_MEMORY;
+					}
+				}
+
+				talloc_free(h->name->original_name);
+				talloc_free(h->name->full_name);
+				h->name->full_name = talloc_steal(h->name, name);
+				h->name->original_name = new_orig;
+			}
+		}
+
+		talloc_free(lck);
+	}
+
+	status = pvfs_resolve_name_fd(pvfs, h->fd, h->name);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	return NT_STATUS_OK;
+}
+
 
 /*
   resolve the parent of a given name
diff --git a/source4/ntvfs/posix/pvfs_setfileinfo.c b/source4/ntvfs/posix/pvfs_setfileinfo.c
index da1e31e639..ad47fe90c9 100644
--- a/source4/ntvfs/posix/pvfs_setfileinfo.c
+++ b/source4/ntvfs/posix/pvfs_setfileinfo.c
@@ -82,11 +82,13 @@ static uint32_t pvfs_setfileinfo_access(union smb_setfileinfo *info)
 static NTSTATUS pvfs_setfileinfo_rename(struct pvfs_state *pvfs, 
 					struct ntvfs_request *req, 
 					struct pvfs_filename *name,
+					DATA_BLOB *odb_locking_key,
 					union smb_setfileinfo *info)
 {
 	NTSTATUS status;
 	struct pvfs_filename *name2;
 	char *new_name, *p;
+	struct odb_lock *lck = NULL;
 
 	/* renames are only allowed within a directory */
 	if (strchr_m(info->rename_information.in.new_name, '\\') &&
@@ -94,11 +96,6 @@ static NTSTATUS pvfs_setfileinfo_rename(struct pvfs_state *pvfs,
 		return NT_STATUS_NOT_SUPPORTED;
 	}
 
-	if (name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY) {
-		/* don't allow this for now */
-		return NT_STATUS_FILE_IS_A_DIRECTORY;
-	}
-
 	/* don't allow stream renames for now */
 	if (name->stream_name) {
 		return NT_STATUS_INVALID_PARAMETER;
@@ -168,7 +165,15 @@ static NTSTATUS pvfs_setfileinfo_rename(struct pvfs_state *pvfs,
 		return status;
 	}
 
-	status = pvfs_do_rename(pvfs, name, name2->full_name);
+	lck = odb_lock(req, pvfs->odb_context, odb_locking_key);
+	if (lck == NULL) {
+		DEBUG(0,("Unable to lock opendb for can_stat\n"));
+		return NT_STATUS_INTERNAL_DB_CORRUPTION;
+	}
+
+	status = pvfs_do_rename(pvfs, lck, name, name2->full_name);
+	talloc_free(lck);
+	NT_STATUS_NOT_OK_RETURN(status);
 	if (NT_STATUS_IS_OK(status)) {
 		name->full_name = talloc_steal(name, name2->full_name);
 		name->original_name = talloc_steal(name, name2->original_name);
@@ -289,7 +294,7 @@ NTSTATUS pvfs_setfileinfo(struct ntvfs_module_context *ntvfs,
 	}
 
 	/* update the file information */
-	status = pvfs_resolve_name_fd(pvfs, h->fd, h->name);
+	status = pvfs_resolve_name_handle(pvfs, h);
 	if (!NT_STATUS_IS_OK(status)) {
 		return status;
 	}
@@ -391,7 +396,8 @@ NTSTATUS pvfs_setfileinfo(struct ntvfs_module_context *ntvfs,
 
 	case RAW_SFILEINFO_RENAME_INFORMATION:
 	case RAW_SFILEINFO_RENAME_INFORMATION_SMB2:
-		return pvfs_setfileinfo_rename(pvfs, req, h->name, 
+		return pvfs_setfileinfo_rename(pvfs, req, h->name,
+					       &h->odb_locking_key,
 					       info);
 
 	case RAW_SFILEINFO_SEC_DESC:
@@ -565,6 +571,7 @@ NTSTATUS pvfs_setpathinfo(struct ntvfs_module_context *ntvfs,
 	uint32_t access_needed;
 	uint32_t change_mask = 0;
 	struct odb_lock *lck = NULL;
+	DATA_BLOB odb_locking_key;
 
 	/* resolve the cifs name to a posix name */
 	status = pvfs_resolve_name(pvfs, req, info->generic.in.file.path, 
@@ -696,8 +703,12 @@ NTSTATUS pvfs_setpathinfo(struct ntvfs_module_context *ntvfs,
 
 	case RAW_SFILEINFO_RENAME_INFORMATION:
 	case RAW_SFILEINFO_RENAME_INFORMATION_SMB2:
-		return pvfs_setfileinfo_rename(pvfs, req, name, 
-					       info);
+		status = pvfs_locking_key(name, name, &odb_locking_key);
+		NT_STATUS_NOT_OK_RETURN(status);
+		status = pvfs_setfileinfo_rename(pvfs, req, name,
+						 &odb_locking_key, info);
+		NT_STATUS_NOT_OK_RETURN(status);
+		return NT_STATUS_OK;
 
 	case RAW_SFILEINFO_DISPOSITION_INFO:
 	case RAW_SFILEINFO_DISPOSITION_INFORMATION: