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authorAndrew Tridgell <tridge@samba.org>2004-11-13 06:46:51 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:05:46 -0500
commit1b2b72ff61c6e81189fd0552bfce5d2c7d365554 (patch)
treed5e820087ea577b3b8dd9f03569bc9fe322dd108 /source4/ntvfs/posix
parent1c59d825afc3cdfe2ea42821123ece934ad7b5e0 (diff)
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r3718: added support for the ntrename level in pvfs_rename().
(This used to be commit 3d50982f5419b9a5c53f2b82a2313669cdeaaa21)
Diffstat (limited to 'source4/ntvfs/posix')
-rw-r--r--source4/ntvfs/posix/pvfs_open.c3
-rw-r--r--source4/ntvfs/posix/pvfs_rename.c122
-rw-r--r--source4/ntvfs/posix/pvfs_util.c81
3 files changed, 196 insertions, 10 deletions
diff --git a/source4/ntvfs/posix/pvfs_open.c b/source4/ntvfs/posix/pvfs_open.c
index af0f46ece3..b07922dcbd 100644
--- a/source4/ntvfs/posix/pvfs_open.c
+++ b/source4/ntvfs/posix/pvfs_open.c
@@ -1118,8 +1118,7 @@ NTSTATUS pvfs_can_rename(struct pvfs_state *pvfs, struct pvfs_filename *name)
status = odb_can_open(pvfs->odb_context, &key,
NTCREATEX_SHARE_ACCESS_READ |
- NTCREATEX_SHARE_ACCESS_WRITE |
- NTCREATEX_SHARE_ACCESS_DELETE,
+ NTCREATEX_SHARE_ACCESS_WRITE,
0,
STD_RIGHT_DELETE_ACCESS);
diff --git a/source4/ntvfs/posix/pvfs_rename.c b/source4/ntvfs/posix/pvfs_rename.c
index d36af2b91d..aae17f327c 100644
--- a/source4/ntvfs/posix/pvfs_rename.c
+++ b/source4/ntvfs/posix/pvfs_rename.c
@@ -174,7 +174,6 @@ static NTSTATUS pvfs_rename_one(struct pvfs_state *pvfs,
return NT_STATUS_NO_MEMORY;
}
- /* finally try the actual rename */
if (rename(name1->full_name, fname2) == -1) {
talloc_free(mem_ctx);
return pvfs_map_errno(pvfs, errno);
@@ -241,19 +240,15 @@ static NTSTATUS pvfs_rename_wildcard(struct pvfs_state *pvfs,
}
/*
- rename a set of files
+ rename a set of files - SMBmv interface
*/
-NTSTATUS pvfs_rename(struct ntvfs_module_context *ntvfs,
- struct smbsrv_request *req, union smb_rename *ren)
+static NTSTATUS pvfs_rename_mv(struct ntvfs_module_context *ntvfs,
+ struct smbsrv_request *req, union smb_rename *ren)
{
struct pvfs_state *pvfs = ntvfs->private_data;
NTSTATUS status;
struct pvfs_filename *name1, *name2;
- if (ren->generic.level != RAW_RENAME_RENAME) {
- return NT_STATUS_INVALID_LEVEL;
- }
-
/* resolve the cifs name to a posix name */
status = pvfs_resolve_name(pvfs, req, ren->rename.in.pattern1, 0, &name1);
if (!NT_STATUS_IS_OK(status)) {
@@ -281,6 +276,11 @@ NTSTATUS pvfs_rename(struct ntvfs_module_context *ntvfs,
return NT_STATUS_OBJECT_NAME_COLLISION;
}
+ status = pvfs_match_attrib(pvfs, name1, ren->rename.in.attrib, 0);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
status = pvfs_can_rename(pvfs, name1);
if (!NT_STATUS_IS_OK(status)) {
return status;
@@ -292,3 +292,109 @@ NTSTATUS pvfs_rename(struct ntvfs_module_context *ntvfs,
return NT_STATUS_OK;
}
+
+
+/*
+ rename a set of files - ntrename interface
+*/
+static NTSTATUS pvfs_rename_nt(struct ntvfs_module_context *ntvfs,
+ struct smbsrv_request *req, union smb_rename *ren)
+{
+ struct pvfs_state *pvfs = ntvfs->private_data;
+ NTSTATUS status;
+ struct pvfs_filename *name1, *name2;
+
+ switch (ren->ntrename.in.flags) {
+ case RENAME_FLAG_RENAME:
+ case RENAME_FLAG_HARD_LINK:
+ case RENAME_FLAG_COPY:
+ case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
+ break;
+ default:
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ /* resolve the cifs name to a posix name */
+ status = pvfs_resolve_name(pvfs, req, ren->ntrename.in.old_name, 0, &name1);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ status = pvfs_resolve_name(pvfs, req, ren->ntrename.in.new_name, 0, &name2);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ if (name1->has_wildcard || name2->has_wildcard) {
+ return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
+ }
+
+ if (!name1->exists) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ if (strcmp(name1->full_name, name2->full_name) == 0) {
+ return NT_STATUS_OK;
+ }
+
+ if (name2->exists) {
+ return NT_STATUS_OBJECT_NAME_COLLISION;
+ }
+
+ status = pvfs_match_attrib(pvfs, name1, ren->ntrename.in.attrib, 0);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ status = pvfs_can_rename(pvfs, name1);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ switch (ren->ntrename.in.flags) {
+ case RENAME_FLAG_RENAME:
+ if (rename(name1->full_name, name2->full_name) == -1) {
+ return pvfs_map_errno(pvfs, errno);
+ }
+ break;
+
+ case RENAME_FLAG_HARD_LINK:
+ if (link(name1->full_name, name2->full_name) == -1) {
+ return pvfs_map_errno(pvfs, errno);
+ }
+ break;
+
+ case RENAME_FLAG_COPY:
+ return pvfs_copy_file(pvfs, name1, name2);
+
+ case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
+ return NT_STATUS_INVALID_PARAMETER;
+
+ default:
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+
+ return NT_STATUS_OK;
+}
+
+/*
+ rename a set of files - ntrename interface
+*/
+NTSTATUS pvfs_rename(struct ntvfs_module_context *ntvfs,
+ struct smbsrv_request *req, union smb_rename *ren)
+{
+ switch (ren->generic.level) {
+ case RAW_RENAME_RENAME:
+ return pvfs_rename_mv(ntvfs, req, ren);
+
+ case RAW_RENAME_NTRENAME:
+ return pvfs_rename_nt(ntvfs, req, ren);
+
+ default:
+ break;
+ }
+
+ return NT_STATUS_INVALID_LEVEL;
+}
+
diff --git a/source4/ntvfs/posix/pvfs_util.c b/source4/ntvfs/posix/pvfs_util.c
index 92d696970a..6503769013 100644
--- a/source4/ntvfs/posix/pvfs_util.c
+++ b/source4/ntvfs/posix/pvfs_util.c
@@ -79,3 +79,84 @@ uint32_t pvfs_attrib_normalise(uint32_t attrib)
return attrib;
}
+
+/*
+ copy a file. Caller is supposed to have already ensured that the
+ operation is allowed. The destination file must not exist.
+*/
+NTSTATUS pvfs_copy_file(struct pvfs_state *pvfs,
+ struct pvfs_filename *name1,
+ struct pvfs_filename *name2)
+{
+ int fd1, fd2;
+ mode_t mode;
+ NTSTATUS status;
+ size_t buf_size = 0x10000;
+ char *buf = talloc(name2, buf_size);
+
+ if (buf == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ fd1 = open(name1->full_name, O_RDONLY);
+ if (fd1 == -1) {
+ talloc_free(buf);
+ return pvfs_map_errno(pvfs, errno);
+ }
+
+ fd2 = open(name2->full_name, O_CREAT|O_EXCL|O_WRONLY, 0);
+ if (fd2 == -1) {
+ close(fd1);
+ talloc_free(buf);
+ return pvfs_map_errno(pvfs, errno);
+ }
+
+ while (1) {
+ ssize_t ret2, ret = read(fd1, buf, buf_size);
+ if (ret == -1 &&
+ (errno == EINTR || errno == EAGAIN)) {
+ continue;
+ }
+ if (ret <= 0) break;
+
+ ret2 = write(fd2, buf, ret);
+ if (ret2 == -1 &&
+ (errno == EINTR || errno == EAGAIN)) {
+ continue;
+ }
+
+ if (ret2 != ret) {
+ close(fd1);
+ close(fd2);
+ talloc_free(buf);
+ unlink(name2->full_name);
+ if (ret2 == -1) {
+ return pvfs_map_errno(pvfs, errno);
+ }
+ return NT_STATUS_DISK_FULL;
+ }
+ }
+
+ close(fd1);
+
+ mode = pvfs_fileperms(pvfs, name1->dos.attrib);
+ if (fchmod(fd2, mode) == -1) {
+ status = pvfs_map_errno(pvfs, errno);
+ close(fd2);
+ unlink(name2->full_name);
+ return status;
+ }
+
+ name2->dos = name1->dos;
+
+ status = pvfs_dosattrib_save(pvfs, name2, fd2);
+ if (!NT_STATUS_IS_OK(status)) {
+ close(fd2);
+ unlink(name2->full_name);
+ return status;
+ }
+
+ close(fd2);
+
+ return NT_STATUS_OK;
+}