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-rw-r--r--source3/printing/print_generic.c301
1 files changed, 301 insertions, 0 deletions
diff --git a/source3/printing/print_generic.c b/source3/printing/print_generic.c
new file mode 100644
index 0000000000..2a324fdd5c
--- /dev/null
+++ b/source3/printing/print_generic.c
@@ -0,0 +1,301 @@
+/*
+ Unix SMB/CIFS implementation.
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "printing.h"
+
+extern struct current_user current_user;
+extern userdom_struct current_user_info;
+
+/****************************************************************************
+ 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, const char* printername, bool do_sub,
+ const char *command, int *outfd, ...)
+{
+ char *syscmd;
+ char *arg;
+ int ret;
+ TALLOC_CTX *ctx = talloc_tos();
+ va_list ap;
+ va_start(ap, outfd);
+
+ /* check for a valid system printername and valid command to run */
+
+ if ( !printername || !*printername ) {
+ va_end(ap);
+ return -1;
+ }
+
+ if (!command || !*command) {
+ va_end(ap);
+ return -1;
+ }
+
+ syscmd = talloc_strdup(ctx, command);
+ if (!syscmd) {
+ va_end(ap);
+ return -1;
+ }
+
+ while ((arg = va_arg(ap, char *))) {
+ char *value = va_arg(ap,char *);
+ syscmd = talloc_string_sub(ctx, syscmd, arg, value);
+ if (!syscmd) {
+ va_end(ap);
+ return -1;
+ }
+ }
+ va_end(ap);
+
+ syscmd = talloc_string_sub(ctx, syscmd, "%p", printername);
+ if (!syscmd) {
+ return -1;
+ }
+
+ if (do_sub && snum != -1) {
+ syscmd = talloc_sub_advanced(ctx,
+ lp_servicename(snum),
+ current_user_info.unix_name,
+ "",
+ current_user.ut.gid,
+ get_current_username(),
+ current_user_info.domain,
+ syscmd);
+ if (!syscmd) {
+ return -1;
+ }
+ }
+
+ ret = smbrun_no_sanitize(syscmd,outfd);
+
+ DEBUG(3,("Running the command `%s' gave %d\n",syscmd,ret));
+
+ return ret;
+}
+
+
+/****************************************************************************
+delete a print job
+****************************************************************************/
+static int generic_job_delete( const char *sharename, const char *lprm_command, struct printjob *pjob)
+{
+ fstring jobstr;
+
+ /* need to delete the spooled entry */
+ slprintf(jobstr, sizeof(jobstr)-1, "%d", pjob->sysjob);
+ return print_run_command( -1, sharename, False, lprm_command, 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, PRINTERNAME(snum), True,
+ 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, PRINTERNAME(snum), True,
+ 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 = -1;
+ char *current_directory = NULL;
+ char *print_directory = NULL;
+ char *wd = NULL;
+ char *p = NULL;
+ char *jobname = NULL;
+ TALLOC_CTX *ctx = talloc_tos();
+ fstring job_page_count, job_size;
+
+ /* we print from the directory path to give the best chance of
+ parsing the lpq output */
+ current_directory = TALLOC_ARRAY(ctx,
+ char,
+ PATH_MAX+1);
+ if (!current_directory) {
+ return -1;
+ }
+ wd = sys_getwd(current_directory);
+ if (!wd) {
+ return -1;
+ }
+
+ print_directory = talloc_strdup(ctx, pjob->filename);
+ if (!print_directory) {
+ return -1;
+ }
+ p = strrchr_m(print_directory,'/');
+ if (!p) {
+ return -1;
+ }
+ *p++ = 0;
+
+ if (chdir(print_directory) != 0) {
+ return -1;
+ }
+
+ jobname = talloc_strdup(ctx, pjob->jobname);
+ if (!jobname) {
+ ret = -1;
+ goto out;
+ }
+ jobname = talloc_string_sub(ctx, jobname, "'", "_");
+ if (!jobname) {
+ ret = -1;
+ goto out;
+ }
+ slprintf(job_page_count, sizeof(job_page_count)-1, "%d", pjob->page_count);
+ slprintf(job_size, sizeof(job_size)-1, "%lu", (unsigned long)pjob->size);
+
+ /* send it to the system spooler */
+ ret = print_run_command(snum, PRINTERNAME(snum), True,
+ lp_printcommand(snum), NULL,
+ "%s", p,
+ "%J", jobname,
+ "%f", p,
+ "%z", job_size,
+ "%c", job_page_count,
+ NULL);
+
+ out:
+
+ chdir(wd);
+ TALLOC_FREE(current_directory);
+ return ret;
+}
+
+
+/****************************************************************************
+get the current list of queued jobs
+****************************************************************************/
+static int generic_queue_get(const char *printer_name,
+ enum printing_types printing_type,
+ char *lpq_command,
+ print_queue_struct **q,
+ print_status_struct *status)
+{
+ char **qlines;
+ int fd;
+ int numlines, i, qcount;
+ print_queue_struct *queue = NULL;
+
+ /* never do substitution when running the 'lpq command' since we can't
+ get it rigt when using the background update daemon. Make the caller
+ do it before passing off the command string to us here. */
+
+ print_run_command(-1, printer_name, False, lpq_command, &fd, NULL);
+
+ if (fd == -1) {
+ DEBUG(5,("generic_queue_get: Can't read print queue status for printer %s\n",
+ printer_name ));
+ return 0;
+ }
+
+ numlines = 0;
+ qlines = fd_lines_load(fd, &numlines,0);
+ close(fd);
+
+ /* turn the lpq output into a series of job structures */
+ qcount = 0;
+ ZERO_STRUCTP(status);
+ if (numlines && qlines) {
+ queue = SMB_MALLOC_ARRAY(print_queue_struct, numlines+1);
+ if (!queue) {
+ file_lines_free(qlines);
+ *q = NULL;
+ return 0;
+ }
+ memset(queue, '\0', sizeof(print_queue_struct)*(numlines+1));
+
+ for (i=0; i<numlines; i++) {
+ /* parse the line */
+ if (parse_lpq_entry(printing_type,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, PRINTERNAME(snum), True, lp_queuepausecommand(snum), NULL, NULL);
+}
+
+/****************************************************************************
+ resume a queue
+****************************************************************************/
+static int generic_queue_resume(int snum)
+{
+ return print_run_command(snum, PRINTERNAME(snum), True, lp_queueresumecommand(snum), NULL, NULL);
+}
+
+/****************************************************************************
+ * Generic printing interface definitions...
+ ***************************************************************************/
+
+struct printif generic_printif =
+{
+ DEFAULT_PRINTING,
+ generic_queue_get,
+ generic_queue_pause,
+ generic_queue_resume,
+ generic_job_delete,
+ generic_job_pause,
+ generic_job_resume,
+ generic_job_submit,
+};
+
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