Added files for CUP printing patch split.

Jeremy.
(This used to be commit 9822f13ae23e244e5e9a4cf3355bea2eead8cf66)

2 files changed, 320 insertions, 0 deletions

diff --git a/source3/include/printing.h b/source3/include/printing.h
new file mode 100644
index 0000000000..676a0c74bf
--- /dev/null
+++ b/source3/include/printing.h
@@ -0,0 +1,69 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 3.0
+   printing definitions
+   Copyright (C) Andrew Tridgell 1992-2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+/*
+   This file defines the low-level printing system interfaces used by the
+   SAMBA printing subsystem.
+*/
+
+/* Information for print jobs */
+struct printjob {
+	pid_t pid; /* which process launched the job */
+	int sysjob; /* the system (lp) job number */
+	int fd; /* file descriptor of open file if open */
+	time_t starttime; /* when the job started spooling */
+	int status; /* the status of this job */
+	size_t size; /* the size of the job so far */
+	BOOL spooled; /* has it been sent to the spooler yet? */
+	BOOL smbjob; /* set if the job is a SMB job */
+	fstring filename; /* the filename used to spool the file */
+	fstring jobname; /* the job name given to us by the client */
+	fstring user; /* the user who started the job */
+	fstring qname; /* name of the print queue the job was sent to */
+};
+
+/* Information for print interfaces */
+struct printif
+{
+  int (*queue_get)(int snum, print_queue_struct **q,
+                   print_status_struct *status);
+  int (*queue_pause)(int snum);
+  int (*queue_resume)(int snum);
+  int (*job_delete)(int snum, struct printjob *pjob);
+  int (*job_pause)(int snum, struct printjob *pjob);
+  int (*job_resume)(int snum, struct printjob *pjob);
+  int (*job_submit)(int snum, struct printjob *pjob);
+};
+
+extern struct printif	generic_printif;
+
+#ifdef HAVE_LIBCUPS
+extern struct printif	cups_printif;
+#endif /* HAVE_LIBCUPS */
+
+#define PRINT_MAX_JOBID 10000
+#define UNIX_JOB_START PRINT_MAX_JOBID
+#define NEXT_JOBID(j) ((j+1) % PRINT_MAX_JOBID > 0 ? (j+1) % PRINT_MAX_JOBID : 1)
+
+#define PRINT_SPOOL_PREFIX "smbprn."
+#define PRINT_DATABASE_VERSION 2
diff --git a/source3/printing/print_generic.c b/source3/printing/print_generic.c
new file mode 100644
index 0000000000..1cbe4a080f
--- /dev/null
+++ b/source3/printing/print_generic.c
@@ -0,0 +1,251 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 3.0
+   printing command routines
+   Copyright (C) Andrew Tridgell 1992-2000
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "printing.h"
+
+
+/*
+ * Generic printing interface definitions...
+ */
+
+static int generic_job_delete(int snum, struct printjob *pjob);
+static int generic_job_pause(int snum, struct printjob *pjob);
+static int generic_job_resume(int snum, struct printjob *pjob);
+static int generic_job_submit(int snum, struct printjob *pjob);
+static int generic_queue_get(int snum, print_queue_struct **q,
+                             print_status_struct *status);
+static int generic_queue_pause(int snum);
+static int generic_queue_resume(int snum);
+
+
+struct printif	generic_printif =
+		{
+		  generic_queue_get,
+		  generic_queue_pause,
+		  generic_queue_resume,
+		  generic_job_delete,
+		  generic_job_pause,
+		  generic_job_resume,
+		  generic_job_submit,
+		};
+
+extern int DEBUGLEVEL;
+
+/****************************************************************************
+run a given print command 
+a null terminated list of value/substitute pairs is provided
+for local substitution strings
+****************************************************************************/
+static int print_run_command(int snum,char *command, 
+			     char *outfile,
+			     ...)
+{
+	pstring syscmd;
+	char *p, *arg;
+	int ret;
+	va_list ap;
+
+	if (!command || !*command) return -1;
+
+	if (!VALID_SNUM(snum)) {
+		DEBUG(0,("Invalid snum %d for command %s\n", snum, command));
+		return -1;
+	}
+
+	pstrcpy(syscmd, command);
+
+	va_start(ap, outfile);
+	while ((arg = va_arg(ap, char *))) {
+		char *value = va_arg(ap,char *);
+		pstring_sub(syscmd, arg, value);
+	}
+	va_end(ap);
+  
+	p = PRINTERNAME(snum);
+  
+	pstring_sub(syscmd, "%p", p);
+	standard_sub_snum(snum,syscmd);
+
+	/* Convert script args to unix-codepage */
+	dos_to_unix(syscmd, True);
+	ret = smbrun(syscmd,outfile,False);
+
+	DEBUG(3,("Running the command `%s' gave %d\n",syscmd,ret));
+
+	return ret;
+}
+
+
+/****************************************************************************
+delete a print job
+****************************************************************************/
+static int generic_job_delete(int snum, struct printjob *pjob)
+{
+	fstring jobstr;
+
+	/* need to delete the spooled entry */
+	slprintf(jobstr, sizeof(jobstr)-1, "%d", pjob->sysjob);
+	return print_run_command(
+		   snum, 
+		   lp_lprmcommand(snum), NULL,
+		   "%j", jobstr,
+		   "%T", http_timestring(pjob->starttime),
+		   NULL);
+}
+
+/****************************************************************************
+pause a job
+****************************************************************************/
+static int generic_job_pause(int snum, struct printjob *pjob)
+{
+	fstring jobstr;
+	
+	/* need to pause the spooled entry */
+	slprintf(jobstr, sizeof(jobstr)-1, "%d", pjob->sysjob);
+	return print_run_command(snum, 
+				 lp_lppausecommand(snum), NULL,
+				 "%j", jobstr,
+				 NULL);
+}
+
+/****************************************************************************
+resume a job
+****************************************************************************/
+static int generic_job_resume(int snum, struct printjob *pjob)
+{
+	fstring jobstr;
+	
+	/* need to pause the spooled entry */
+	slprintf(jobstr, sizeof(jobstr)-1, "%d", pjob->sysjob);
+	return print_run_command(snum, 
+				 lp_lpresumecommand(snum), NULL,
+				 "%j", jobstr,
+				 NULL);
+}
+
+/****************************************************************************
+ Submit a file for printing - called from print_job_end()
+****************************************************************************/
+
+static int generic_job_submit(int snum, struct printjob *pjob)
+{
+	int ret;
+	pstring current_directory;
+	pstring print_directory;
+	char *wd, *p;
+	pstring jobname;
+
+	/* we print from the directory path to give the best chance of
+           parsing the lpq output */
+	wd = sys_getwd(current_directory);
+	if (!wd)
+		return 0;
+
+	pstrcpy(print_directory, pjob->filename);
+	p = strrchr(print_directory,'/');
+	if (!p)
+		return 0;
+	*p++ = 0;
+
+	if (chdir(print_directory) != 0)
+		return 0;
+
+	pstrcpy(jobname, pjob->jobname);
+	pstring_sub(jobname, "'", "_");
+
+	/* send it to the system spooler */
+	ret = print_run_command(snum, 
+			  lp_printcommand(snum), NULL,
+			  "%s", p,
+  			  "%J", jobname,
+			  "%f", p,
+			  NULL);
+
+	chdir(wd);
+
+        return ret;
+}
+
+
+/****************************************************************************
+get the current list of queued jobs
+****************************************************************************/
+static int generic_queue_get(int snum, print_queue_struct **q, print_status_struct *status)
+{
+	char *path = lp_pathname(snum);
+	char *cmd = lp_lpqcommand(snum);
+	char **qlines;
+	pstring tmp_file;
+	int numlines, i, qcount;
+	print_queue_struct *queue;
+	fstring printer_name;
+              
+	/* Convert printer name (i.e. share name) to unix-codepage */
+	fstrcpy(printer_name, lp_servicename(snum));
+	dos_to_unix(printer_name, True);
+	
+	slprintf(tmp_file, sizeof(tmp_file)-1, "%s/smblpq.%d", path, sys_getpid());
+
+	unlink(tmp_file);
+	print_run_command(snum, cmd, tmp_file, NULL);
+
+	numlines = 0;
+	qlines = file_lines_load(tmp_file, &numlines, True);
+	unlink(tmp_file);
+
+	/* turn the lpq output into a series of job structures */
+	qcount = 0;
+	ZERO_STRUCT(status);
+	if (numlines)
+		queue = (print_queue_struct *)malloc(sizeof(print_queue_struct)*(numlines+1));
+
+	if (queue) {
+		for (i=0; i<numlines; i++) {
+			/* parse the line */
+			if (parse_lpq_entry(snum,qlines[i],
+					    &queue[qcount],status,qcount==0)) {
+				qcount++;
+			}
+		}		
+	}
+	file_lines_free(qlines);
+
+        *q = queue;
+	return qcount;
+}
+
+/****************************************************************************
+ pause a queue
+****************************************************************************/
+static int generic_queue_pause(int snum)
+{
+	return print_run_command(snum, lp_queuepausecommand(snum), NULL, 
+				 NULL);
+}
+
+/****************************************************************************
+ resume a queue
+****************************************************************************/
+static int generic_queue_resume(int snum)
+{
+	return print_run_command(snum, lp_queueresumecommand(snum), NULL, 
+				 NULL);
+}