Пример #1
0
void reload_printers(void)
{
	int snum;
	int n_services = lp_numservices();
	int pnum = lp_servicenumber(PRINTERS_NAME);
	const char *pname;

	pcap_cache_reload();

	/* remove stale printers */
	for (snum = 0; snum < n_services; snum++) {
		/* avoid removing PRINTERS_NAME or non-autoloaded printers */
		if (snum == pnum || !(lp_snum_ok(snum) && lp_print_ok(snum) &&
		                      lp_autoloaded(snum)))
			continue;

		pname = lp_printername(snum);
		if (!pcap_printername_ok(pname)) {
			DEBUG(3, ("removing stale printer %s\n", pname));

			if (is_printer_published(NULL, snum, NULL))
				nt_printer_publish(NULL, snum, SPOOL_DS_UNPUBLISH);
			del_a_printer(pname);
			lp_killservice(snum);
		}
	}

	load_printers();
}
Пример #2
0
/****************************************************************************
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_printername(talloc_tos(), snum), True,
                             lp_lpresume_command(talloc_tos(), snum), NULL,
                             "%j", jobstr,
                             NULL);
}
Пример #3
0
/****************************************************************************
 purge stale printers and reload from pre-populated pcap cache
**************************************************************************/
void reload_printers(struct tevent_context *ev,
		     struct messaging_context *msg_ctx)
{
	int n_services;
	int pnum;
	int snum;
	const char *pname;

	n_services = lp_numservices();
	pnum = lp_servicenumber(PRINTERS_NAME);

	DEBUG(10, ("reloading printer services from pcap cache\n"));

	/*
	 * Add default config for printers added to smb.conf file and remove
	 * stale printers
	 */
	for (snum = 0; snum < n_services; snum++) {
		/* avoid removing PRINTERS_NAME */
		if (snum == pnum) {
			continue;
		}

		/* skip no-printer services */
		if (!(lp_snum_ok(snum) && lp_print_ok(snum))) {
			continue;
		}

		pname = lp_printername(snum);

		/* check printer, but avoid removing non-autoloaded printers */
		if (lp_autoloaded(snum) && !pcap_printername_ok(pname)) {
			DEBUG(3, ("removing stale printer %s\n", pname));
			lp_killservice(snum);
		}
	}

	/* Make sure deleted printers are gone */
	load_printers(ev, msg_ctx);
}
Пример #4
0
/****************************************************************************
 resume a queue
****************************************************************************/
static int generic_queue_resume(int snum)
{
    return print_run_command(snum, lp_printername(talloc_tos(), snum), True,
                             lp_queueresume_command(talloc_tos(), snum), NULL, NULL);
}
Пример #5
0
static int generic_job_submit(int snum, struct printjob *pjob,
                              enum printing_types printing_type,
                              char *lpq_cmd)
{
    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;
    print_queue_struct *q;
    print_status_struct status;

    /* we print from the directory path to give the best chance of
           parsing the lpq output */
    wd = sys_getwd();
    if (!wd) {
        return -1;
    }

    current_directory = talloc_strdup(ctx, wd);
    SAFE_FREE(wd);

    if (!current_directory) {
        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, lp_printername(talloc_tos(), snum), True,
                            lp_print_command(talloc_tos(), snum), NULL,
                            "%s", p,
                            "%J", jobname,
                            "%f", p,
                            "%z", job_size,
                            "%c", job_page_count,
                            NULL);
    if (ret != 0) {
        ret = -1;
        goto out;
    }

    /*
     * check the queue for the newly submitted job, this allows us to
     * determine the backend job identifier (sysjob).
     */
    pjob->sysjob = -1;
    ret = generic_queue_get(lp_printername(talloc_tos(), snum),
                            printing_type, lpq_cmd, &q, &status);
    if (ret > 0) {
        int i;
        for (i = 0; i < ret; i++) {
            if (strcmp(q[i].fs_file, p) == 0) {
                pjob->sysjob = q[i].sysjob;
                DEBUG(5, ("new job %u (%s) matches sysjob %d\n",
                          pjob->jobid, jobname, pjob->sysjob));
                break;
            }
        }
        SAFE_FREE(q);
        ret = 0;
    }
    if (pjob->sysjob == -1) {
        DEBUG(2, ("failed to get sysjob for job %u (%s), tracking as "
                  "Unix job\n", pjob->jobid, jobname));
    }


out:

    if (chdir(current_directory) == -1) {
        smb_panic("chdir failed in generic_job_submit");
    }
    TALLOC_FREE(current_directory);
    return ret;
}
Пример #6
0
/****************************************************************************
 pause a queue
****************************************************************************/
static int generic_queue_pause(int snum)
{
	return print_run_command(snum, lp_printername(snum), True,
				 lp_queuepausecommand(snum), NULL, NULL);
}
Пример #7
0
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 */
	wd = sys_getwd();
	if (!wd) {
		return -1;
	}

	current_directory = talloc_strdup(ctx, wd);
	SAFE_FREE(wd);

	if (!current_directory) {
		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, lp_printername(snum), True,
			lp_printcommand(snum), NULL,
			"%s", p,
			"%J", jobname,
			"%f", p,
			"%z", job_size,
			"%c", job_page_count,
			NULL);

 out:

	if (chdir(current_directory) == -1) {
		smb_panic("chdir failed in generic_job_submit");
	}
	TALLOC_FREE(current_directory);
        return ret;
}
Пример #8
0
/**
 * @brief Purge stale printer shares and reload from pre-populated pcap cache.
 *
 * This function should normally only be called as a callback on a successful
 * pcap_cache_reload(), or on client enumeration.
 *
 * @param[in] ev        The event context.
 *
 * @param[in] msg_ctx   The messaging context.
 */
void delete_and_reload_printers(struct tevent_context *ev,
				struct messaging_context *msg_ctx)
{
	int n_services;
	int pnum;
	int snum;
	const char *pname;
	bool ok;
	time_t pcap_last_update;
	TALLOC_CTX *frame = talloc_stackframe();

	ok = pcap_cache_loaded(&pcap_last_update);
	if (!ok) {
		DEBUG(1, ("pcap cache not loaded\n"));
		talloc_free(frame);
		return;
	}

	if (reload_last_pcap_time == pcap_last_update) {
		DEBUG(5, ("skipping printer reload, already up to date.\n"));
		talloc_free(frame);
		return;
	}
	reload_last_pcap_time = pcap_last_update;

	/* Get pcap printers updated */
	load_printers(ev, msg_ctx);

	n_services = lp_numservices();
	pnum = lp_servicenumber(PRINTERS_NAME);

	DEBUG(10, ("reloading printer services from pcap cache\n"));

	/*
	 * Add default config for printers added to smb.conf file and remove
	 * stale printers
	 */
	for (snum = 0; snum < n_services; snum++) {
		/* avoid removing PRINTERS_NAME */
		if (snum == pnum) {
			continue;
		}

		/* skip no-printer services */
		if (!snum_is_shared_printer(snum)) {
			continue;
		}

		pname = lp_printername(frame, snum);

		/* check printer, but avoid removing non-autoloaded printers */
		if (lp_autoloaded(snum) && !pcap_printername_ok(pname)) {
			lp_killservice(snum);
		}
	}

	/* Make sure deleted printers are gone */
	load_printers(ev, msg_ctx);

	talloc_free(frame);
}
Пример #9
0
static int iprint_job_submit(int snum, struct printjob *pjob,
			     enum printing_types printing_type,
			     char *lpq_cmd)
{
	int		ret = 1;		/* Return value */
	http_t		*http = NULL;		/* HTTP connection to server */
	ipp_t		*request = NULL,	/* IPP Request */
			*response = NULL;	/* IPP Response */
	ipp_attribute_t	*attr;		/* Current attribute */
	cups_lang_t	*language = NULL;	/* Default language */
	char		uri[HTTP_MAX_URI]; /* printer-uri attribute */

	DEBUG(5,("iprint_job_submit(%d, %p (%d))\n", snum, pjob, pjob->sysjob));

       /*
	* Make sure we don't ask for passwords...
	*/

	cupsSetPasswordCB(iprint_passwd_cb);

       /*
	* Try to connect to the server...
	*/

	if ((http = httpConnect(iprint_server(), ippPort())) == NULL) {
		DEBUG(0,("Unable to connect to iPrint server %s - %s\n", 
			 iprint_server(), strerror(errno)));
		goto out;
	}

       /*
	* Build an IPP_PRINT_JOB request, which requires the following
	* attributes:
	*
	*    attributes-charset
	*    attributes-natural-language
	*    printer-uri
	*    requesting-user-name
	*    [document-data]
	*/

	request = ippNew();

	ippSetOperation(request, IPP_PRINT_JOB);
	ippSetRequestId(request, 1);

	language = cupsLangDefault();

	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
	             "attributes-charset", NULL, "utf-8");

	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
	             "attributes-natural-language", NULL, language->language);

	slprintf(uri, sizeof(uri) - 1, "ipp://%s/ipp/%s", iprint_server(),
		 lp_printername(snum));

	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
	             "printer-uri", NULL, uri);

	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
	             NULL, pjob->user);

	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
	             "job-originating-host-name", NULL,
		     pjob->clientmachine);

	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
	             pjob->jobname);

       /*
	* Do the request and get back a response...
	*/

	slprintf(uri, sizeof(uri) - 1, "/ipp/%s", lp_printername(snum));

	if ((response = cupsDoFileRequest(http, request, uri, pjob->filename)) != NULL) {
		if (ippGetStatusCode(response) >= IPP_OK_CONFLICT) {
			DEBUG(0,("Unable to print file to %s - %s\n",
				 lp_printername(snum),
			         ippErrorString(cupsLastError())));
		} else {
			ret = 0;
		}
	} else {
		DEBUG(0,("Unable to print file to `%s' - %s\n",
			 lp_printername(snum),
			 ippErrorString(cupsLastError())));
	}

	if ( ret == 0 )
		unlink(pjob->filename);
	/* else print_job_end will do it for us */

	if ( ret == 0 ) {

		attr = ippFindAttribute(response, "job-id", IPP_TAG_INTEGER);
		if (attr != NULL && ippGetGroupTag(attr) == IPP_TAG_JOB)
		{
			pjob->sysjob = ippGetInteger(attr, 0);
		}
	}

 out:
	if (response)
		ippDelete(response);

	if (language)
		cupsLangFree(language);

	if (http)
		httpClose(http);

	return ret;
}
Пример #10
0
static int iprint_job_resume(int snum, struct printjob *pjob)
{
	int		ret = 1;		/* Return value */
	http_t		*http = NULL;		/* HTTP connection to server */
	ipp_t		*request = NULL,	/* IPP Request */
			*response = NULL;	/* IPP Response */
	cups_lang_t	*language = NULL;	/* Default language */
	char		uri[HTTP_MAX_URI];	/* printer-uri attribute */
	char		httpPath[HTTP_MAX_URI];	/* path portion of the printer-uri */


	DEBUG(5,("iprint_job_resume(%d, %p (%d))\n", snum, pjob, pjob->sysjob));

       /*
	* Make sure we don't ask for passwords...
	*/

	cupsSetPasswordCB(iprint_passwd_cb);

       /*
	* Try to connect to the server...
	*/

	if ((http = httpConnect(iprint_server(), ippPort())) == NULL) {
		DEBUG(0,("Unable to connect to iPrint server %s - %s\n", 
			 iprint_server(), strerror(errno)));
		goto out;
	}

       /*
	* Build an IPP_RELEASE_JOB request, which requires the following
	* attributes:
	*
	*    attributes-charset
	*    attributes-natural-language
	*    printer-uri
	*    job-id
	*    requesting-user-name
	*/

	request = ippNew();

	ippSetOperation(request, IPP_RELEASE_JOB);
	ippSetRequestId(request, 1);

	language = cupsLangDefault();

	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
	             "attributes-charset", NULL, "utf-8");

	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
	             "attributes-natural-language", NULL, language->language);

	slprintf(uri, sizeof(uri) - 1, "ipp://%s/ipp/%s", iprint_server(),
		 lp_printername(snum));

	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);

	ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "job-id", pjob->sysjob);

	ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
	             NULL, pjob->user);

       /*
	* Do the request and get back a response...
	*/

	slprintf(httpPath, sizeof(httpPath) - 1, "/ipp/%s",
		 lp_printername(snum));

	if ((response = cupsDoRequest(http, request, httpPath)) != NULL) {
		if (ippGetStatusCode(response) >= IPP_OK_CONFLICT) {
			DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob,
				ippErrorString(cupsLastError())));
		} else {
			ret = 0;
		}
	} else {
		DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob,
			ippErrorString(cupsLastError())));
	}

 out:
	if (response)
		ippDelete(response);

	if (language)
		cupsLangFree(language);

	if (http)
		httpClose(http);

	return ret;
}
Пример #11
0
/**
 * @brief Purge stale printers and reload from pre-populated pcap cache.
 *
 * This function should normally only be called as a callback on a successful
 * pcap_cache_reload().
 *
 * This function can cause DELETION of printers and drivers from our registry,
 * so calling it on a failed pcap reload may REMOVE permanently all printers
 * and drivers.
 *
 * @param[in] ev        The event context.
 *
 * @param[in] msg_ctx   The messaging context.
 */
static void delete_and_reload_printers_full(struct tevent_context *ev,
					    struct messaging_context *msg_ctx)
{
	struct auth_session_info *session_info = NULL;
	struct spoolss_PrinterInfo2 *pinfo2 = NULL;
	int n_services;
	int pnum;
	int snum;
	const char *pname;
	const char *sname;
	NTSTATUS status;

	n_services = lp_numservices();
	pnum = lp_servicenumber(PRINTERS_NAME);

	status = make_session_info_system(talloc_tos(), &session_info);
	if (!NT_STATUS_IS_OK(status)) {
		DEBUG(3, ("reload_printers: "
			  "Could not create system session_info\n"));
		/* can't remove stale printers before we
		 * are fully initilized */
		return;
	}

	/*
	 * Add default config for printers added to smb.conf file and remove
	 * stale printers
	 */
	for (snum = 0; snum < n_services; snum++) {
		/* avoid removing PRINTERS_NAME */
		if (snum == pnum) {
			continue;
		}

		/* skip no-printer services */
		if (!snum_is_shared_printer(snum)) {
			continue;
		}

		sname = lp_const_servicename(snum);
		pname = lp_printername(session_info, snum);

		/* check printer, but avoid removing non-autoloaded printers */
		if (lp_autoloaded(snum) && !pcap_printername_ok(pname)) {
			DEBUG(3, ("removing stale printer %s\n", pname));

			if (is_printer_published(session_info, session_info,
						 msg_ctx,
						 NULL,
						 lp_servicename(session_info,
								snum),
						 &pinfo2)) {
				nt_printer_publish(session_info,
						   session_info,
						   msg_ctx,
						   pinfo2,
						   DSPRINT_UNPUBLISH);
				TALLOC_FREE(pinfo2);
			}
			nt_printer_remove(session_info, session_info, msg_ctx,
					  pname);
		} else {
			DEBUG(8, ("Adding default registry entry for printer "
				  "[%s], if it doesn't exist.\n", sname));
			nt_printer_add(session_info, session_info, msg_ctx,
				       sname);
		}
	}

	/* finally, purge old snums */
	delete_and_reload_printers();

	TALLOC_FREE(session_info);
}