/*
* "$Id: lpd.c 7740 2008-07-14 23:58:05Z mike $"
*
- * Line Printer Daemon backend for the Common UNIX Printing System (CUPS).
+ * Line Printer Daemon backend for CUPS.
*
- * Copyright 2007-2009 by Apple Inc.
+ * Copyright 2007-2011 by Apple Inc.
* Copyright 1997-2007 by Easy Software Products, all rights reserved.
*
* These coded instructions, statements, and computer programs are the
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
+#include <stdio.h>
#ifdef WIN32
# include <winsock.h>
*/
static int lpd_command(int lpd_fd, int timeout, char *format, ...);
-static int lpd_queue(const char *hostname, int port, const char *printer,
- int print_fd, int mode, const char *user,
- const char *title, int copies, int banner,
- int format, int order, int reserve,
- int manual_copies, int timeout, int contimeout);
+static int lpd_queue(const char *hostname, http_addrlist_t *addrlist,
+ const char *printer, int print_fd, int snmp_fd,
+ int mode, const char *user, const char *title,
+ int copies, int banner, int format, int order,
+ int reserve, int manual_copies, int timeout,
+ int contimeout);
static void lpd_timeout(int sig);
static int lpd_write(int lpd_fd, char *buffer, int length);
#ifndef HAVE_RRESVPORT_AF
*filename, /* File to print */
title[256]; /* Title string */
int port; /* Port number */
+ char portname[256]; /* Port name (string) */
+ http_addrlist_t *addrlist; /* List of addresses for printer */
+ int snmp_fd; /* SNMP socket */
int fd; /* Print file */
int status; /* Status of LPD job */
int mode; /* Print mode */
else if (argc < 6 || argc > 7)
{
_cupsLangPrintf(stderr,
- _("Usage: %s job-id user title copies options [file]\n"),
+ _("Usage: %s job-id user title copies options [file]"),
argv[0]);
return (CUPS_BACKEND_FAILED);
}
* Extract the hostname and printer name from the URI...
*/
- if ((device_uri = cupsBackendDeviceURI(argv)) == NULL)
- return (CUPS_BACKEND_FAILED);
+ while ((device_uri = cupsBackendDeviceURI(argv)) == NULL)
+ {
+ _cupsLangPrintFilter(stderr, "INFO", _("Unable to locate printer."));
+ sleep(10);
+
+ if (getenv("CLASS") != NULL)
+ return (CUPS_BACKEND_FAILED);
+ }
httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme),
username, sizeof(username), hostname, sizeof(hostname), &port,
#ifdef __APPLE__
/*
- * We want to pass utf-8 characters, not re-map them (3071945)
+ * We want to pass UTF-8 characters by default, not re-map them (3071945)
*/
sanitize_title = 0;
-
+#else
/*
- * Get the default timeout from a system preference...
+ * Otherwise we want to re-map UTF-8 to "safe" characters by default...
*/
- {
- CFPropertyListRef pvalue; /* Preference value */
- SInt32 toval; /* Timeout value */
-
-
- pvalue = CFPreferencesCopyValue(CFSTR("timeout"),
- CFSTR("com.apple.print.backends"),
- kCFPreferencesAnyUser,
- kCFPreferencesCurrentHost);
- if (pvalue)
- {
- if (CFGetTypeID(pvalue) == CFNumberGetTypeID())
- {
- CFNumberGetValue(pvalue, kCFNumberSInt32Type, &toval);
- contimeout = (int)toval;
- }
-
- CFRelease(pvalue);
- }
- }
-#else
sanitize_title = 1;
#endif /* __APPLE__ */
if (strchr("cdfglnoprtv", value[0]))
format = value[0];
else
- _cupsLangPrintf(stderr, _("ERROR: Unknown format character \"%c\"\n"),
- value[0]);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unknown format character: \"%c\"."),
+ value[0]);
}
else if (!strcasecmp(name, "mode") && value[0])
{
else if (!strcasecmp(value, "stream"))
mode = MODE_STREAM;
else
- _cupsLangPrintf(stderr, _("ERROR: Unknown print mode \"%s\"\n"),
- value);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unknown print mode: \"%s\"."), value);
}
else if (!strcasecmp(name, "order") && value[0])
{
else if (!strcasecmp(value, "data,control"))
order = ORDER_DATA_CONTROL;
else
- _cupsLangPrintf(stderr, _("ERROR: Unknown file order \"%s\"\n"),
- value);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unknown file order: \"%s\"."), value);
}
else if (!strcasecmp(name, "reserve"))
{
if (mode == MODE_STREAM)
order = ORDER_CONTROL_DATA;
+ /*
+ * Find the printer...
+ */
+
+ snprintf(portname, sizeof(portname), "%d", port);
+
+ fputs("STATE: +connecting-to-device\n", stderr);
+ fprintf(stderr, "DEBUG: Looking up \"%s\"...\n", hostname);
+
+ while ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
+ {
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Unable to locate printer \"%s\"."), hostname);
+ sleep(10);
+
+ if (getenv("CLASS") != NULL)
+ {
+ fputs("STATE: -connecting-to-device\n", stderr);
+ exit(CUPS_BACKEND_FAILED);
+ }
+ }
+
+ snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family);
+
+ /*
+ * Wait for data from the filter...
+ */
+
+ if (argc == 6)
+ if (!backendWaitLoop(snmp_fd, &(addrlist->addr), backendNetworkSideCB))
+ return (CUPS_BACKEND_OK);
+
/*
* If we have 7 arguments, print the file named on the command-line.
* Otherwise, copy stdin to a temporary file and print the temporary
* Copy stdin to a temporary file...
*/
- http_addrlist_t *addrlist; /* Address list */
- int snmp_fd; /* SNMP socket */
-
-
- fputs("STATE: +connecting-to-device\n", stderr);
- fprintf(stderr, "DEBUG: Looking up \"%s\"...\n", hostname);
-
- if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, "1")) == NULL)
- {
- _cupsLangPrintf(stderr, _("ERROR: Unable to locate printer \'%s\'\n"),
- hostname);
- return (CUPS_BACKEND_STOP);
- }
-
- snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family);
-
if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0)
{
- _cupsLangPrintError(_("ERROR: Unable to create temporary file"));
+ perror("DEBUG: Unable to create temporary file");
return (CUPS_BACKEND_FAILED);
}
- _cupsLangPuts(stderr, _("INFO: Copying print data...\n"));
-
- backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, backendNetworkSideCB);
+ _cupsLangPrintFilter(stderr, "INFO", _("Copying print data."));
- if (snmp_fd >= 0)
- _cupsSNMPClose(snmp_fd);
-
- httpAddrFreeList(addrlist);
+ backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, 0,
+ backendNetworkSideCB);
}
else if (argc == 6)
{
if (fd == -1)
{
- _cupsLangPrintf(stderr, _("ERROR: Unable to open print file %s: %s\n"),
- filename, strerror(errno));
+ _cupsLangPrintError("ERROR", _("Unable to open print file"));
return (CUPS_BACKEND_FAILED);
}
}
copies = atoi(argv[4]);
}
- status = lpd_queue(hostname, port, resource + 1, fd, mode,
- username, title, copies,
- banner, format, order, reserve, manual_copies,
- timeout, contimeout);
+ status = lpd_queue(hostname, addrlist, resource + 1, fd, snmp_fd, mode,
+ username, title, copies, banner, format, order, reserve,
+ manual_copies, timeout, contimeout);
if (!status)
fprintf(stderr, "PAGE: 1 %d\n", atoi(argv[4]));
}
else
- status = lpd_queue(hostname, port, resource + 1, fd, mode,
- username, title, 1,
- banner, format, order, reserve, 1,
+ status = lpd_queue(hostname, addrlist, resource + 1, fd, snmp_fd, mode,
+ username, title, 1, banner, format, order, reserve, 1,
timeout, contimeout);
/*
if (fd)
close(fd);
+ if (snmp_fd >= 0)
+ _cupsSNMPClose(snmp_fd);
+
/*
* Return the queue status...
*/
/*
- * Don't try to send commands if the job has been cancelled...
+ * Don't try to send commands if the job has been canceled...
*/
if (abort_job)
if (lpd_write(fd, buf, bytes) < bytes)
{
- _cupsLangPrintError(_("ERROR: Unable to send LPD command"));
+ perror("DEBUG: Unable to send LPD command");
return (-1);
}
if (recv(fd, &status, 1, 0) < 1)
{
- _cupsLangPrintf(stderr,
- _("WARNING: Remote host did not respond with command "
- "status byte after %d seconds\n"), timeout);
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Printer did not respond after %d seconds."),
+ timeout);
status = errno;
}
*/
static int /* O - Zero on success, non-zero on failure */
-lpd_queue(const char *hostname, /* I - Host to connect to */
- int port, /* I - Port to connect on */
- const char *printer, /* I - Printer/queue name */
- int print_fd, /* I - File to print */
- int mode, /* I - Print mode */
- const char *user, /* I - Requesting user */
- const char *title, /* I - Job title */
- int copies, /* I - Number of copies */
- int banner, /* I - Print LPD banner? */
- int format, /* I - Format specifier */
- int order, /* I - Order of data/control files */
- int reserve, /* I - Reserve ports? */
- int manual_copies, /* I - Do copies by hand... */
- int timeout, /* I - Timeout... */
- int contimeout) /* I - Connection timeout */
+lpd_queue(const char *hostname, /* I - Host to connect to */
+ http_addrlist_t *addrlist, /* I - List of host addresses */
+ const char *printer, /* I - Printer/queue name */
+ int print_fd, /* I - File to print */
+ int snmp_fd, /* I - SNMP socket */
+ int mode, /* I - Print mode */
+ const char *user, /* I - Requesting user */
+ const char *title, /* I - Job title */
+ int copies, /* I - Number of copies */
+ int banner, /* I - Print LPD banner? */
+ int format, /* I - Format specifier */
+ int order, /* I - Order of data/control files */
+ int reserve, /* I - Reserve ports? */
+ int manual_copies,/* I - Do copies by hand... */
+ int timeout, /* I - Timeout... */
+ int contimeout) /* I - Connection timeout */
{
char localhost[255]; /* Local host name */
int error; /* Error number */
char control[10240], /* LPD control 'file' */
*cptr; /* Pointer into control file string */
char status; /* Status byte from command */
- char portname[255]; /* Port name */
int delay; /* Delay for retries... */
char addrname[256]; /* Address name */
- http_addrlist_t *addrlist, /* Address list */
- *addr; /* Socket address */
- int snmp_fd, /* SNMP socket */
- have_supplies; /* Printer supports supply levels? */
+ http_addrlist_t *addr; /* Socket address */
+ int have_supplies; /* Printer supports supply levels? */
int copy; /* Copies written */
time_t start_time; /* Time of first connect */
size_t nbytes; /* Number of bytes written */
signal(SIGALRM, lpd_timeout);
#endif /* HAVE_SIGSET */
- /*
- * Find the printer...
- */
-
- sprintf(portname, "%d", port);
-
- fputs("STATE: +connecting-to-device\n", stderr);
- fprintf(stderr, "DEBUG: Looking up \"%s\"...\n", hostname);
-
- if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
- {
- _cupsLangPrintf(stderr, _("ERROR: Unable to locate printer \'%s\'\n"),
- hostname);
- return (CUPS_BACKEND_STOP);
- }
-
/*
* Remember when we started trying to connect to the printer...
*/
*/
fprintf(stderr, "DEBUG: Connecting to %s:%d for printer %s\n", hostname,
- port, printer);
- _cupsLangPuts(stderr, _("INFO: Connecting to printer...\n"));
+ _httpAddrPort(&(addrlist->addr)), printer);
+ _cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer."));
for (lport = reserve == RESERVE_RFC1179 ? 732 : 1024, addr = addrlist,
delay = 5;;
addr = addr->next)
{
/*
- * Stop if this job has been cancelled...
+ * Stop if this job has been canceled...
*/
if (abort_job)
- {
- httpAddrFreeList(addrlist);
-
return (CUPS_BACKEND_FAILED);
- }
/*
* Choose the next priviledged port...
if ((fd = socket(addr->addr.addr.sa_family, SOCK_STREAM, 0)) < 0)
{
- _cupsLangPrintError(_("ERROR: Unable to create socket"));
+ perror("DEBUG: Unable to create socket");
sleep(1);
continue;
if ((fd = rresvport_af(&lport, addr->addr.addr.sa_family)) < 0)
{
- _cupsLangPrintError(_("ERROR: Unable to reserve port"));
+ perror("DEBUG: Unable to reserve port");
sleep(1);
continue;
if (abort_job)
{
- httpAddrFreeList(addrlist);
-
close(fd);
return (CUPS_BACKEND_FAILED);
error = errno;
close(fd);
- fd = -1;
if (addr->next)
continue;
* available printer in the class.
*/
- _cupsLangPuts(stderr,
- _("INFO: Unable to contact printer, queuing on next "
- "printer in class...\n"));
-
- httpAddrFreeList(addrlist);
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Unable to contact printer, queuing on next "
+ "printer in class."));
/*
* Sleep 5 seconds to keep the job from requeuing too rapidly...
return (CUPS_BACKEND_FAILED);
}
+ fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(error));
+
if (error == ECONNREFUSED || error == EHOSTDOWN ||
error == EHOSTUNREACH)
{
if (contimeout && (time(NULL) - start_time) > contimeout)
{
- _cupsLangPuts(stderr, _("ERROR: Printer not responding\n"));
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("The printer is not responding."));
return (CUPS_BACKEND_FAILED);
}
- _cupsLangPrintf(stderr,
- _("WARNING: Network host \'%s\' is busy; will retry in "
- "%d seconds...\n"), hostname, delay);
+ switch (error)
+ {
+ case EHOSTDOWN :
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Network printer \"%s\" may not exist or "
+ "is unavailable at this time."),
+ hostname);
+ break;
+
+ case EHOSTUNREACH :
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Network printer \"%s\" is unreachable at "
+ "this time."), hostname);
+ break;
+
+ case ECONNREFUSED :
+ default :
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Network printer \"%s\" is busy."),
+ hostname);
+ break;
+ }
sleep(delay);
}
else
{
- fprintf(stderr, "DEBUG: Connection error: %s\n", strerror(errno));
- _cupsLangPuts(stderr,
- _("ERROR: Unable to connect to printer; will retry in 30 "
- "seconds...\n"));
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Network printer \"%s\" is not responding."),
+ hostname);
sleep(30);
}
}
fputs("STATE: -connecting-to-device\n", stderr);
- _cupsLangPuts(stderr, _("INFO: Connected to printer...\n"));
+ _cupsLangPrintFilter(stderr, "INFO", _("Connected to printer."));
#ifdef AF_INET6
if (addr->addr.addr.sa_family == AF_INET6)
* See if the printer supports SNMP...
*/
- if ((snmp_fd = _cupsSNMPOpen(addr->addr.addr.sa_family)) >= 0)
- have_supplies = !backendSNMPSupplies(snmp_fd, &(addr->addr), NULL, NULL);
+ if (snmp_fd >= 0)
+ have_supplies = !backendSNMPSupplies(snmp_fd, &(addrlist->addr), NULL,
+ NULL);
else
have_supplies = 0;
* Check for side-channel requests...
*/
- backendCheckSideChannel(snmp_fd, &(addr->addr));
+ backendCheckSideChannel(snmp_fd, &(addrlist->addr));
/*
* Next, open the print file and figure out its size...
if (fstat(print_fd, &filestats))
{
- httpAddrFreeList(addrlist);
close(fd);
- _cupsLangPrintError(_("ERROR: unable to stat print file"));
+ perror("DEBUG: unable to stat print file");
return (CUPS_BACKEND_FAILED);
}
if (lpd_command(fd, timeout, "\002%s\n",
printer)) /* Receive print job(s) */
{
- httpAddrFreeList(addrlist);
close(fd);
return (CUPS_BACKEND_FAILED);
}
if (lpd_command(fd, timeout, "\002%d cfA%03.3d%.15s\n", strlen(control),
(int)getpid() % 1000, localhost))
{
- httpAddrFreeList(addrlist);
close(fd);
return (CUPS_BACKEND_FAILED);
}
- _cupsLangPrintf(stderr, _("INFO: Sending control file (%u bytes)\n"),
- (unsigned)strlen(control));
+ fprintf(stderr, "DEBUG: Sending control file (%u bytes)\n",
+ (unsigned)strlen(control));
if (lpd_write(fd, control, strlen(control) + 1) < (strlen(control) + 1))
{
status = errno;
- _cupsLangPrintError(_("ERROR: Unable to write control file"));
+ perror("DEBUG: Unable to write control file");
+
}
else
{
if (read(fd, &status, 1) < 1)
{
- _cupsLangPrintf(stderr,
- _("WARNING: Remote host did not respond with control "
- "status byte after %d seconds\n"), timeout);
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Printer did not respond after %d seconds."),
+ timeout);
status = errno;
}
}
if (status != 0)
- _cupsLangPrintf(stderr,
- _("ERROR: Remote host did not accept control file "
- "(%d)\n"), status);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Remote host did not accept control file (%d)."),
+ status);
else
- _cupsLangPuts(stderr, _("INFO: Control file sent successfully\n"));
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Control file sent successfully."));
}
else
status = 0;
CUPS_LLCAST filestats.st_size, (int)getpid() % 1000,
localhost))
{
- httpAddrFreeList(addrlist);
close(fd);
return (CUPS_BACKEND_FAILED);
}
- _cupsLangPrintf(stderr,
-#ifdef HAVE_LONG_LONG
- _("INFO: Sending data file (%lld bytes)\n"),
-#else
- _("INFO: Sending data file (%ld bytes)\n"),
-#endif /* HAVE_LONG_LONG */
- CUPS_LLCAST filestats.st_size);
+ fprintf(stderr, "DEBUG: Sending data file (" CUPS_LLFMT " bytes)\n",
+ CUPS_LLCAST filestats.st_size);
tbytes = 0;
for (copy = 0; copy < manual_copies; copy ++)
while ((nbytes = read(print_fd, buffer, sizeof(buffer))) > 0)
{
- _cupsLangPrintf(stderr,
- _("INFO: Spooling LPR job, %.0f%% complete...\n"),
- 100.0 * tbytes / filestats.st_size);
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Spooling job, %.0f%% complete."),
+ 100.0 * tbytes / filestats.st_size);
if (lpd_write(fd, buffer, nbytes) < nbytes)
{
- _cupsLangPrintError(_("ERROR: Unable to send print file to printer"));
+ perror("DEBUG: Unable to send print file to printer");
break;
}
else
status = errno;
else if (lpd_write(fd, "", 1) < 1)
{
- _cupsLangPrintError(_("ERROR: Unable to send trailing nul to printer"));
+ perror("DEBUG: Unable to send trailing nul to printer");
status = errno;
}
else
if (recv(fd, &status, 1, 0) < 1)
{
- _cupsLangPrintf(stderr,
- _("WARNING: Remote host did not respond with data "
- "status byte after %d seconds\n"), timeout);
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Printer did not respond after %d seconds."),
+ timeout);
status = 0;
}
status = 0;
if (status != 0)
- _cupsLangPrintf(stderr,
- _("ERROR: Remote host did not accept data file (%d)\n"),
- status);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Remote host did not accept data file (%d)."),
+ status);
else
- _cupsLangPuts(stderr, _("INFO: Data file sent successfully\n"));
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Data file sent successfully."));
}
if (status == 0 && order == ORDER_DATA_CONTROL)
if (lpd_command(fd, timeout, "\002%d cfA%03.3d%.15s\n", strlen(control),
(int)getpid() % 1000, localhost))
{
- httpAddrFreeList(addrlist);
close(fd);
return (CUPS_BACKEND_FAILED);
}
- _cupsLangPrintf(stderr, _("INFO: Sending control file (%lu bytes)\n"),
- (unsigned long)strlen(control));
+ fprintf(stderr, "DEBUG: Sending control file (%lu bytes)\n",
+ (unsigned long)strlen(control));
if (lpd_write(fd, control, strlen(control) + 1) < (strlen(control) + 1))
{
status = errno;
- _cupsLangPrintError(_("ERROR: Unable to write control file"));
+ perror("DEBUG: Unable to write control file");
}
else
{
if (read(fd, &status, 1) < 1)
{
- _cupsLangPrintf(stderr,
- _("WARNING: Remote host did not respond with control "
- "status byte after %d seconds\n"), timeout);
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("Printer did not respond after %d seconds."),
+ timeout);
status = errno;
}
}
if (status != 0)
- _cupsLangPrintf(stderr,
- _("ERROR: Remote host did not accept control file "
- "(%d)\n"), status);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Remote host did not accept control file (%d)."),
+ status);
else
- _cupsLangPuts(stderr, _("INFO: Control file sent successfully\n"));
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Control file sent successfully."));
}
/*
close(fd);
if (status == 0)
- {
- httpAddrFreeList(addrlist);
-
return (CUPS_BACKEND_OK);
- }
/*
* Waiting for a retry...
sleep(30);
}
- httpAddrFreeList(addrlist);
-
/*
- * If we get here, then the job has been cancelled...
+ * If we get here, then the job has been canceled...
*/
return (CUPS_BACKEND_FAILED);
projects / thirdparty / cups.git / blobdiff