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-rw-r--r--source3/printing/print_generic.c251
1 files changed, 251 insertions, 0 deletions
diff --git a/source3/printing/print_generic.c b/source3/printing/print_generic.c
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+++ b/source3/printing/print_generic.c
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+/*
+ 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);
+}