From c0c688d287272d0f26f17f8a8502e57af46fd262 Mon Sep 17 00:00:00 2001 From: Jeremy Allison Date: Thu, 25 Mar 2010 11:00:55 -0700 Subject: [PATCH] Fix bug #7233 - print fails with jobs >4GB from Win7 clients. Ensure we always write at end-of-file for older write calls. Includes 66b7fcc8ef6b43c219dcae43a68d861cf71b80fa and 59545276f2bd6df8ee5e75e96e707fd86ff44350 from master. Jeremy. --- source3/printing/printing.c | 2 +- source3/rpc_server/srv_spoolss_nt.c | 6 +- source3/smbd/reply.c | 78 +++++++++++++++++++++++----------- 3 files changed, 57 insertions(+), 29 deletions(-) diff --git a/source3/printing/printing.c b/source3/printing/printing.c index 10cd1d7..6ff9bb9 100644 --- a/source3/printing/printing.c +++ b/source3/printing/printing.c @@ -2212,7 +2212,7 @@ pause, or resume print job. User name: %s. Printer name: %s.", ssize_t print_job_write(int snum, uint32 jobid, const char *buf, SMB_OFF_T pos, size_t size) { const char* sharename = lp_const_servicename(snum); - int return_code; + ssize_t return_code; struct printjob *pjob; pjob = print_job_find(sharename, jobid); diff --git a/source3/rpc_server/srv_spoolss_nt.c b/source3/rpc_server/srv_spoolss_nt.c index b134386..bfae2cd 100644 --- a/source3/rpc_server/srv_spoolss_nt.c +++ b/source3/rpc_server/srv_spoolss_nt.c @@ -5606,7 +5606,7 @@ WERROR _spoolss_EndDocPrinter(pipes_struct *p, WERROR _spoolss_WritePrinter(pipes_struct *p, struct spoolss_WritePrinter *r) { - uint32_t buffer_written; + ssize_t buffer_written; int snum; Printer_entry *Printer = find_printer_index_by_hnd(p, r->in.handle); @@ -5620,11 +5620,11 @@ WERROR _spoolss_WritePrinter(pipes_struct *p, if (!get_printer_snum(p, r->in.handle, &snum, NULL)) return WERR_BADFID; - buffer_written = (uint32_t)print_job_write(snum, Printer->jobid, + buffer_written = print_job_write(snum, Printer->jobid, (const char *)r->in.data.data, (SMB_OFF_T)-1, (size_t)r->in._data_size); - if (buffer_written == (uint32_t)-1) { + if (buffer_written == (ssize_t)-1) { *r->out.num_written = 0; if (errno == ENOSPC) return WERR_NO_SPOOL_SPACE; diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c index 23fa3e8..6f3bbb5 100644 --- a/source3/smbd/reply.c +++ b/source3/smbd/reply.c @@ -3636,6 +3636,11 @@ void reply_writebraw(struct smb_request *req) startpos = IVAL_TO_SMB_OFF_T(req->vwv+3, 0); write_through = BITSETW(req->vwv+7,0); + if (fsp->print_file) { + /* Print files ignore the offset - use end of file. */ + startpos = (SMB_OFF_T)-1; + } + /* We have to deal with slightly different formats depending on whether we are using the core+ or lanman1.0 protocol */ @@ -3655,15 +3660,17 @@ void reply_writebraw(struct smb_request *req) return; } - init_strict_lock_struct(fsp, (uint32)req->smbpid, - (uint64_t)startpos, (uint64_t)tcount, WRITE_LOCK, - &lock); + if (!fsp->print_file) { + init_strict_lock_struct(fsp, (uint32)req->smbpid, + (uint64_t)startpos, (uint64_t)tcount, WRITE_LOCK, + &lock); - if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) { - reply_doserror(req, ERRDOS, ERRlock); - error_to_writebrawerr(req); - END_PROFILE(SMBwritebraw); - return; + if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) { + reply_doserror(req, ERRDOS, ERRlock); + error_to_writebrawerr(req); + END_PROFILE(SMBwritebraw); + return; + } } if (numtowrite>0) { @@ -3741,7 +3748,11 @@ void reply_writebraw(struct smb_request *req) exit_server_cleanly("secondary writebraw failed"); } - nwritten = write_file(req,fsp,buf+4,startpos+nwritten,numtowrite); + if (fsp->print_file) { + nwritten = write_file(req,fsp,buf+4,(SMB_OFF_T)-1,numtowrite); + } else { + nwritten = write_file(req,fsp,buf+4,startpos+nwritten,numtowrite); + } if (nwritten == -1) { TALLOC_FREE(buf); reply_unixerror(req, ERRHRD, ERRdiskfull); @@ -3776,7 +3787,9 @@ void reply_writebraw(struct smb_request *req) fsp->fnum, (double)startpos, (int)numtowrite, (int)total_written)); - SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock); + if (!fsp->print_file) { + SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock); + } /* We won't return a status if write through is not selected - this * follows what WfWg does */ @@ -3800,7 +3813,9 @@ void reply_writebraw(struct smb_request *req) return; strict_unlock: - SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock); + if (!fsp->print_file) { + SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock); + } END_PROFILE(SMBwritebraw); return; @@ -3849,7 +3864,10 @@ 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) { + if (fsp->print_file) { + /* Print files ignore the offset - use end of file. */ + startpos = (SMB_OFF_T)-1; + } else if (numtowrite) { init_strict_lock_struct(fsp, (uint32)req->smbpid, (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK, &lock); @@ -3883,7 +3901,7 @@ void reply_writeunlock(struct smb_request *req) goto strict_unlock; } - if (numtowrite) { + if (numtowrite && !fsp->print_file) { status = do_unlock(smbd_messaging_context(), fsp, req->smbpid, @@ -3905,7 +3923,7 @@ void reply_writeunlock(struct smb_request *req) fsp->fnum, (int)numtowrite, (int)nwritten)); strict_unlock: - if (numtowrite) { + if (numtowrite && !fsp->print_file) { SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock); } @@ -3963,14 +3981,19 @@ void reply_write(struct smb_request *req) startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0); data = (const char *)req->buf + 3; - init_strict_lock_struct(fsp, (uint32)req->smbpid, - (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK, - &lock); + if (fsp->print_file) { + /* Print files ignore the offset - use end of file. */ + startpos = (SMB_OFF_T)-1; + } else { + init_strict_lock_struct(fsp, (uint32)req->smbpid, + (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK, + &lock); - if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) { - reply_doserror(req, ERRDOS, ERRlock); - END_PROFILE(SMBwrite); - return; + if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) { + reply_doserror(req, ERRDOS, ERRlock); + END_PROFILE(SMBwrite); + return; + } } /* @@ -4023,7 +4046,9 @@ void reply_write(struct smb_request *req) DEBUG(3,("write fnum=%d num=%d wrote=%d\n", fsp->fnum, (int)numtowrite, (int)nwritten)); strict_unlock: - SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock); + if (!fsp->print_file) { + SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock); + } END_PROFILE(SMBwrite); return; @@ -4555,7 +4580,10 @@ 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) { + if (fsp->print_file) { + /* Print files ignore the offset - use end of file. */ + startpos = (SMB_OFF_T)-1; + } else if (numtowrite) { init_strict_lock_struct(fsp, (uint32)req->smbpid, (uint64_t)startpos, (uint64_t)numtowrite, WRITE_LOCK, &lock); @@ -4601,7 +4629,7 @@ void reply_writeclose(struct smb_request *req) SSVAL(req->outbuf,smb_vwv0,nwritten); strict_unlock: - if (numtowrite) { + if (numtowrite && !fsp->print_file) { SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock); } @@ -5057,7 +5085,7 @@ void reply_printwrite(struct smb_request *req) data = (const char *)req->buf + 3; - if (write_file(req,fsp,data,-1,numtowrite) != numtowrite) { + if (write_file(req,fsp,data,(SMB_OFF_T)-1,numtowrite) != numtowrite) { reply_unixerror(req, ERRHRD, ERRdiskfull); END_PROFILE(SMBsplwr); return; -- 1.7.0.1