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authorDavid Disseldorp <ddiss@suse.de>2011-01-26 14:32:01 -0800
committerJeremy Allison <jra@samba.org>2011-01-27 00:59:56 +0100
commiteb55338ccdc000feac92118553c5ce59bed87fa8 (patch)
tree1e7cd26602e90569c5f41c1ba3a50c426c181a42 /source3/smbd
parentefde1d870b6a8c2d5461d9ae6cab5d3f2cbffb83 (diff)
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Looking into printer driver issues, I ran across some peculiarities in
copy_file(): - Firstly, if the source file is zero bytes, NT_STATUS_DISK_FULL is returned. - Secondly, the conditional lseek is confusing. It fires when OPENX_FILE_EXISTS_OPEN is set and I can't see why the lseek is necessary in this case. - Finally, the lseek error path also results in NT_STATUS_DISK_FULL. Proposed fix for first and third point below. Autobuild-User: Jeremy Allison <jra@samba.org> Autobuild-Date: Thu Jan 27 00:59:56 CET 2011 on sn-devel-104
Diffstat (limited to 'source3/smbd')
-rw-r--r--source3/smbd/reply.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c
index 4d3be85a85..f7265e010d 100644
--- a/source3/smbd/reply.c
+++ b/source3/smbd/reply.c
@@ -6789,20 +6789,23 @@ NTSTATUS copy_file(TALLOC_CTX *ctx,
goto out;
}
- if ((ofun&3) == 1) {
- if(SMB_VFS_LSEEK(fsp2,0,SEEK_END) == -1) {
- DEBUG(0,("copy_file: error - vfs lseek returned error %s\n", strerror(errno) ));
- /*
- * Stop the copy from occurring.
- */
- ret = -1;
- smb_fname_src->st.st_ex_size = 0;
+ if (ofun & OPENX_FILE_EXISTS_OPEN) {
+ ret = SMB_VFS_LSEEK(fsp2, 0, SEEK_END);
+ if (ret == -1) {
+ DEBUG(0, ("error - vfs lseek returned error %s\n",
+ strerror(errno)));
+ status = map_nt_error_from_unix(errno);
+ close_file(NULL, fsp1, ERROR_CLOSE);
+ close_file(NULL, fsp2, ERROR_CLOSE);
+ goto out;
}
}
/* Do the actual copy. */
if (smb_fname_src->st.st_ex_size) {
ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
+ } else {
+ ret = 0;
}
close_file(NULL, fsp1, NORMAL_CLOSE);