Fix for bug #7233 - print fails with jobs >4GB from Win7 clients.
authorJeremy Allison <jra@samba.org>
Tue, 30 Mar 2010 22:27:26 +0000 (15:27 -0700)
committerJeremy Allison <jra@samba.org>
Tue, 30 Mar 2010 22:27:26 +0000 (15:27 -0700)
Contains for by Sebastian Kloska <oncaphillis@snafu.de>. Submitter
confirms this fixes the problem.

Jeremy.

source3/include/proto.h
source3/printing/printfsp.c
source3/smbd/reply.c

index 2708c3aac9c1cc469c699f2e59571b22b912b122..2ebc75ce12360b21c8f1d4d61b4e01c67521fcd5 100644 (file)
@@ -4919,6 +4919,7 @@ NTSTATUS print_fsp_open(struct smb_request *req, connection_struct *conn,
                        const char *fname,
                        uint16_t current_vuid, files_struct *fsp);
 void print_fsp_end(files_struct *fsp, enum file_close_type close_type);
+SMB_OFF_T printfile_offset(files_struct *fsp, SMB_OFF_T offset);
 
 /* The following definitions come from printing/printing.c  */
 
index 756a314dd77d88a0fae54d1813a1bb46ad57307f..5382b734f34303c4096f9fd7565af6fc157cf5b0 100644 (file)
@@ -114,3 +114,23 @@ void print_fsp_end(files_struct *fsp, enum file_close_type close_type)
 
        print_job_end(SNUM(fsp->conn),jobid, close_type);
 }
+
+/****************************************************************************
+ Discovered by Sebastian Kloska <oncaphillis@snafu.de>. When print files
+ go beyond 4GB, the 32-bit offset sent in old SMBwrite calls is relative
+ to the current 4GB chunk we're writing to.
+****************************************************************************/
+
+SMB_OFF_T printfile_offset(files_struct *fsp, SMB_OFF_T offset)
+{
+       SMB_STRUCT_STAT st;
+
+       if (sys_fstat(fsp->fh->fd, &st, false) == -1) {
+               DEBUG(3,("printfile_offset: sys_fstat failed on %s (%s)\n",
+                       fsp_str_dbg(fsp),
+                       strerror(errno) ));
+               return offset;
+       }
+
+       return (st.st_ex_size & 0xffffffff00000000LL) + offset;
+}
index 1c99aec04f898cd072694270e8e649d9f4101978..fdcf4870e83008aa947cc3f722a40bf780a6aebc 100644 (file)
@@ -3822,7 +3822,9 @@ void reply_writebraw(struct smb_request *req)
                return;
        }
 
-       if (!fsp->print_file) {
+       if (fsp->print_file) {
+               startpos = printfile_offset(fsp, startpos);
+       } else {
                init_strict_lock_struct(fsp, (uint32)req->smbpid,
                    (uint64_t)startpos, (uint64_t)tcount, WRITE_LOCK,
                    &lock);
@@ -4024,7 +4026,9 @@ void reply_writeunlock(struct smb_request *req)
        startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
        data = (const char *)req->buf + 3;
 
-       if (numtowrite && !fsp->print_file) {
+       if (fsp->print_file) {
+               startpos = printfile_offset(fsp, startpos);
+       } else if (numtowrite) {
                init_strict_lock_struct(fsp, (uint32)req->smbpid,
                    (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK,
                    &lock);
@@ -4145,7 +4149,9 @@ void reply_write(struct smb_request *req)
        startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
        data = (const char *)req->buf + 3;
 
-       if (!fsp->print_file) {
+       if (fsp->print_file) {
+               startpos = printfile_offset(fsp, startpos);
+       } else {
                init_strict_lock_struct(fsp, (uint32)req->smbpid,
                        (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK,
                        &lock);
@@ -4751,7 +4757,9 @@ void reply_writeclose(struct smb_request *req)
        mtime = convert_time_t_to_timespec(srv_make_unix_date3(req->vwv+4));
        data = (const char *)req->buf + 1;
 
-       if (numtowrite && !fsp->print_file) {
+       if (fsp->print_file) {
+               startpos = printfile_offset(fsp, startpos);
+       } else if (numtowrite) {
                init_strict_lock_struct(fsp, (uint32)req->smbpid,
                    (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK,
                    &lock);