/*
- * "$Id: lpd.c 5495 2006-05-05 17:58:07Z mike $"
+ * "$Id$"
*
- * Line Printer Daemon backend for the Common UNIX Printing System (CUPS).
+ * Line Printer Daemon backend for CUPS.
*
- * Copyright 1997-2006 by Easy Software Products, all rights reserved.
+ * Copyright 2007-2013 by Apple Inc.
+ * Copyright 1997-2007 by Easy Software Products, all rights reserved.
*
- * These coded instructions, statements, and computer programs are the
- * property of Easy Software Products and are protected by Federal
- * copyright law. Distribution and use rights are outlined in the file
- * "LICENSE" which should have been included with this file. If this
- * file is missing or damaged please contact Easy Software Products
- * at:
+ * These coded instructions, statements, and computer programs are the
+ * property of Apple Inc. and are protected by Federal copyright
+ * law. Distribution and use rights are outlined in the file "LICENSE.txt"
+ * "LICENSE" which should have been included with this file. If this
+ * file is missing or damaged, see the license at "http://www.cups.org/".
*
- * Attn: CUPS Licensing Information
- * Easy Software Products
- * 44141 Airport View Drive, Suite 204
- * Hollywood, Maryland 20636 USA
- *
- * Voice: (301) 373-9600
- * EMail: cups-info@cups.org
- * WWW: http://www.cups.org
- *
- * This file is subject to the Apple OS-Developed Software exception.
- *
- * Contents:
- *
- * main() - Send a file to the printer or server.
- * lpd_command() - Send an LPR command sequence and wait for a reply.
- * lpd_queue() - Queue a file using the Line Printer Daemon protocol.
- * lpd_timeout() - Handle timeout alarms...
- * lpd_write() - Write a buffer of data to an LPD server.
- * rresvport_af() - A simple implementation of rresvport_af().
- * sigterm_handler() - Handle 'terminate' signals that stop the backend.
+ * This file is subject to the Apple OS-Developed Software exception.
*/
/*
* Include necessary headers.
*/
-#include <cups/backend.h>
#include <cups/http-private.h>
-#include <cups/cups.h>
-#include <stdio.h>
-#include <stdlib.h>
+#include "backend-private.h"
#include <stdarg.h>
-#include <ctype.h>
-#include <cups/string.h>
-#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <signal.h>
+#include <stdio.h>
#ifdef WIN32
# include <winsock.h>
static int abort_job = 0; /* Non-zero if we get SIGTERM */
+/*
+ * Print mode...
+ */
+
+#define MODE_STANDARD 0 /* Queue a copy */
+#define MODE_STREAM 1 /* Stream a copy */
+
+
/*
* The order for control and data files in LPD requests...
*/
* Local functions...
*/
-static int lpd_command(int lpd_fd, int timeout, char *format, ...);
-static int lpd_queue(const char *hostname, int port, const char *printer,
- const char *filename,
- 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);
+static int lpd_command(int lpd_fd, char *format, ...);
+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, const char *orighost);
+static ssize_t lpd_write(int lpd_fd, char *buffer, size_t length);
#ifndef HAVE_RRESVPORT_AF
static int rresvport_af(int *port, int family);
#endif /* !HAVE_RRESVPORT_AF */
main(int argc, /* I - Number of command-line arguments (6 or 7) */
char *argv[]) /* I - Command-line arguments */
{
- char method[255], /* Method in URI */
- hostname[1024], /* Hostname */
- username[255], /* Username info */
- resource[1024], /* Resource info (printer name) */
- *options, /* Pointer to options */
- name[255], /* Name of option */
- value[255], /* Value of option */
- *ptr, /* Pointer into name or value */
- *filename, /* File to print */
- title[256]; /* Title string */
- int port; /* Port number */
- int status; /* Status of LPD job */
- int banner; /* Print banner page? */
- int format; /* Print format */
- int order; /* Order of control/data files */
- int reserve; /* Reserve priviledged port? */
- int sanitize_title; /* Sanitize title string? */
- int manual_copies, /* Do manual copies? */
- timeout, /* Timeout */
- contimeout, /* Connection timeout */
- copies; /* Number of copies */
+ const char *device_uri; /* Device URI */
+ char scheme[255], /* Scheme in URI */
+ hostname[1024], /* Hostname */
+ username[255], /* Username info */
+ resource[1024], /* Resource info (printer name) */
+ *options, /* Pointer to options */
+ *name, /* Name of option */
+ *value, /* Value of option */
+ sep, /* Separator character */
+ *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_enabled = 1; /* Is SNMP enabled? */
+ int snmp_fd; /* SNMP socket */
+ int fd; /* Print file */
+ int status; /* Status of LPD job */
+ int mode; /* Print mode */
+ int banner; /* Print banner page? */
+ int format; /* Print format */
+ int order; /* Order of control/data files */
+ int reserve; /* Reserve priviledged port? */
+ int sanitize_title; /* Sanitize title string? */
+ int manual_copies, /* Do manual copies? */
+ timeout, /* Timeout */
+ contimeout, /* Connection timeout */
+ copies; /* Number of copies */
+ ssize_t bytes = 0; /* Initial bytes read */
+ char buffer[16384]; /* Initial print buffer */
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
- struct sigaction action; /* Actions for POSIX signals */
+ struct sigaction action; /* Actions for POSIX signals */
#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
+ int num_jobopts; /* Number of job options */
+ cups_option_t *jobopts = NULL; /* Job options */
/*
if (argc == 1)
{
- puts("network lpd \"Unknown\" \"LPD/LPR Host or Printer\"");
+ printf("network lpd \"Unknown\" \"%s\"\n",
+ _cupsLangString(cupsLangDefault(), _("LPD/LPR Host or Printer")));
return (CUPS_BACKEND_OK);
}
else if (argc < 6 || argc > 7)
{
- fprintf(stderr, "Usage: %s job-id user title copies options [file]\n",
- argv[0]);
+ _cupsLangPrintf(stderr,
+ _("Usage: %s job-id user title copies options [file]"),
+ argv[0]);
return (CUPS_BACKEND_FAILED);
}
+ num_jobopts = cupsParseOptions(argv[5], 0, &jobopts);
+
/*
- * If we have 7 arguments, print the file named on the command-line.
- * Otherwise, copy stdin to a temporary file and print the temporary
- * file.
+ * Extract the hostname and printer name from the URI...
*/
- if (argc == 6)
+ while ((device_uri = cupsBackendDeviceURI(argv)) == NULL)
{
- /*
- * Copy stdin to a temporary file...
- */
-
- int fd; /* Temporary file */
- char buffer[8192]; /* Buffer for copying */
- int bytes; /* Number of bytes read */
+ _cupsLangPrintFilter(stderr, "INFO", _("Unable to locate printer."));
+ sleep(10);
-
- if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0)
- {
- perror("ERROR: unable to create temporary file");
+ if (getenv("CLASS") != NULL)
return (CUPS_BACKEND_FAILED);
- }
-
- while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0)
- if (write(fd, buffer, bytes) < bytes)
- {
- perror("ERROR: unable to write to temporary file");
- close(fd);
- unlink(tmpfilename);
- return (CUPS_BACKEND_FAILED);
- }
-
- close(fd);
- filename = tmpfilename;
}
- else
- filename = argv[6];
-
- /*
- * Extract the hostname and printer name from the URI...
- */
- httpSeparateURI(HTTP_URI_CODING_ALL, cupsBackendDeviceURI(argv),
- method, sizeof(method), username, sizeof(username),
- hostname, sizeof(hostname), &port,
+ httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme),
+ username, sizeof(username), hostname, sizeof(hostname), &port,
resource, sizeof(resource));
+ if (!port)
+ port = 515; /* Default to port 515 */
+
if (!username[0])
{
/*
* See if there are any options...
*/
+ mode = MODE_STANDARD;
banner = 0;
format = 'l';
order = ORDER_CONTROL_DATA;
contimeout = 7 * 24 * 60 * 60;
#ifdef __APPLE__
- /* We want to pass utf-8 characters, not re-map them (3071945) */
- sanitize_title = 0;
-
- {
- 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;
- }
+ /*
+ * We want to pass UTF-8 characters by default, not re-map them (3071945)
+ */
- CFRelease(pvalue);
- }
- }
+ sanitize_title = 0;
#else
+ /*
+ * Otherwise we want to re-map UTF-8 to "safe" characters by default...
+ */
+
sanitize_title = 1;
#endif /* __APPLE__ */
* Get the name...
*/
- for (ptr = name; *options && *options != '=';)
- if (ptr < (name + sizeof(name) - 1))
- *ptr++ = *options++;
- *ptr = '\0';
+ name = options;
+
+ while (*options && *options != '=' && *options != '+' && *options != '&')
+ options ++;
+
+ if ((sep = *options) != '\0')
+ *options++ = '\0';
- if (*options == '=')
+ if (sep == '=')
{
/*
* Get the value...
*/
- options ++;
-
- for (ptr = value; *options && *options != '+' && *options != '&';)
- if (ptr < (value + sizeof(value) - 1))
- *ptr++ = *options++;
- *ptr = '\0';
+ value = options;
- if (*options == '+' || *options == '&')
+ while (*options && *options != '+' && *options != '&')
options ++;
+
+ if (*options)
+ *options++ = '\0';
}
else
- value[0] = '\0';
+ value = (char *)"";
/*
* Process the option...
*/
- if (!strcasecmp(name, "banner"))
+ if (!_cups_strcasecmp(name, "banner"))
{
/*
* Set the banner...
*/
- banner = !value[0] || !strcasecmp(value, "on") ||
- !strcasecmp(value, "yes") || !strcasecmp(value, "true");
+ banner = !value[0] || !_cups_strcasecmp(value, "on") ||
+ !_cups_strcasecmp(value, "yes") || !_cups_strcasecmp(value, "true");
}
- else if (!strcasecmp(name, "format") && value[0])
+ else if (!_cups_strcasecmp(name, "format") && value[0])
{
/*
* Set output format...
if (strchr("cdfglnoprtv", value[0]))
format = value[0];
else
- fprintf(stderr, "ERROR: Unknown format character \"%c\"\n", value[0]);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unknown format character: \"%c\"."),
+ value[0]);
}
- else if (!strcasecmp(name, "order") && value[0])
+ else if (!_cups_strcasecmp(name, "mode") && value[0])
{
/*
* Set control/data order...
*/
- if (!strcasecmp(value, "control,data"))
+ if (!_cups_strcasecmp(value, "standard"))
+ mode = MODE_STANDARD;
+ else if (!_cups_strcasecmp(value, "stream"))
+ mode = MODE_STREAM;
+ else
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unknown print mode: \"%s\"."), value);
+ }
+ else if (!_cups_strcasecmp(name, "order") && value[0])
+ {
+ /*
+ * Set control/data order...
+ */
+
+ if (!_cups_strcasecmp(value, "control,data"))
order = ORDER_CONTROL_DATA;
- else if (!strcasecmp(value, "data,control"))
+ else if (!_cups_strcasecmp(value, "data,control"))
order = ORDER_DATA_CONTROL;
else
- fprintf(stderr, "ERROR: Unknown file order \"%s\"\n", value);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("Unknown file order: \"%s\"."), value);
}
- else if (!strcasecmp(name, "reserve"))
+ else if (!_cups_strcasecmp(name, "reserve"))
{
/*
* Set port reservation mode...
*/
- if (!value[0] || !strcasecmp(value, "on") ||
- !strcasecmp(value, "yes") || !strcasecmp(value, "true") ||
- !strcasecmp(value, "rfc1179"))
+ if (!value[0] || !_cups_strcasecmp(value, "on") ||
+ !_cups_strcasecmp(value, "yes") ||
+ !_cups_strcasecmp(value, "true") ||
+ !_cups_strcasecmp(value, "rfc1179"))
reserve = RESERVE_RFC1179;
- else if (!strcasecmp(value, "any"))
+ else if (!_cups_strcasecmp(value, "any"))
reserve = RESERVE_ANY;
else
reserve = RESERVE_NONE;
}
- else if (!strcasecmp(name, "manual_copies"))
+ else if (!_cups_strcasecmp(name, "manual_copies"))
{
/*
* Set manual copies...
*/
- manual_copies = !value[0] || !strcasecmp(value, "on") ||
- !strcasecmp(value, "yes") || !strcasecmp(value, "true");
+ manual_copies = !value[0] || !_cups_strcasecmp(value, "on") ||
+ !_cups_strcasecmp(value, "yes") ||
+ !_cups_strcasecmp(value, "true");
}
- else if (!strcasecmp(name, "sanitize_title"))
+ else if (!_cups_strcasecmp(name, "sanitize_title"))
{
/*
* Set sanitize title...
*/
- sanitize_title = !value[0] || !strcasecmp(value, "on") ||
- !strcasecmp(value, "yes") || !strcasecmp(value, "true");
+ sanitize_title = !value[0] || !_cups_strcasecmp(value, "on") ||
+ !_cups_strcasecmp(value, "yes") ||
+ !_cups_strcasecmp(value, "true");
+ }
+ else if (!_cups_strcasecmp(name, "snmp"))
+ {
+ /*
+ * Enable/disable SNMP stuff...
+ */
+
+ snmp_enabled = !value[0] || !_cups_strcasecmp(value, "on") ||
+ _cups_strcasecmp(value, "yes") ||
+ _cups_strcasecmp(value, "true");
}
- else if (!strcasecmp(name, "timeout"))
+ else if (!_cups_strcasecmp(name, "timeout"))
{
/*
* Set the timeout...
if (atoi(value) > 0)
timeout = atoi(value);
}
- else if (!strcasecmp(name, "contimeout"))
+ else if (!_cups_strcasecmp(name, "contimeout"))
{
/*
- * Set the timeout...
+ * Set the connection timeout...
*/
if (atoi(value) > 0)
}
}
+ 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);
+ }
+ }
+
+ if (snmp_enabled)
+ snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family);
+ else
+ snmp_fd = -1;
+
+ /*
+ * Wait for data from the filter...
+ */
+
+ if (argc == 6)
+ {
+ if (!backendWaitLoop(snmp_fd, &(addrlist->addr), 0, backendNetworkSideCB))
+ return (CUPS_BACKEND_OK);
+ else if (mode == MODE_STANDARD &&
+ (bytes = read(0, buffer, sizeof(buffer))) <= 0)
+ 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
+ * file.
+ */
+
+ if (argc == 6 && mode == MODE_STANDARD)
+ {
+ /*
+ * Copy stdin to a temporary file...
+ */
+
+ if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0)
+ {
+ perror("DEBUG: Unable to create temporary file");
+ return (CUPS_BACKEND_FAILED);
+ }
+
+ _cupsLangPrintFilter(stderr, "INFO", _("Copying print data."));
+
+ if (bytes > 0)
+ write(fd, buffer, (size_t)bytes);
+
+ backendRunLoop(-1, fd, snmp_fd, &(addrlist->addr), 0, 0,
+ backendNetworkSideCB);
+ }
+ else if (argc == 6)
+ {
+ /*
+ * Stream from stdin...
+ */
+
+ filename = NULL;
+ fd = 0;
+ }
+ else
+ {
+ filename = argv[6];
+ fd = open(filename, O_RDONLY);
+
+ if (fd == -1)
+ {
+ _cupsLangPrintError("ERROR", _("Unable to open print file"));
+ return (CUPS_BACKEND_FAILED);
+ }
+ }
+
/*
* Sanitize the document title...
*/
* the remote end...
*/
+ char *ptr;
+
for (ptr = title; *ptr; ptr ++)
if (!isalnum(*ptr & 255) && !isspace(*ptr & 255))
*ptr = '_';
copies = atoi(argv[4]);
}
- status = lpd_queue(hostname, port, resource + 1, filename,
- 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,
+ cupsGetOption("job-originating-host-name", num_jobopts,
+ jobopts));
if (!status)
fprintf(stderr, "PAGE: 1 %d\n", atoi(argv[4]));
}
else
- status = lpd_queue(hostname, port, resource + 1, filename,
- username, title, 1,
- banner, format, order, reserve, 1,
- timeout, contimeout);
+ status = lpd_queue(hostname, addrlist, resource + 1, fd, snmp_fd, mode,
+ username, title, 1, banner, format, order, reserve, 1,
+ timeout, contimeout,
+ cupsGetOption("job-originating-host-name", num_jobopts,
+ jobopts));
/*
* Remove the temporary file if necessary...
if (tmpfilename[0])
unlink(tmpfilename);
+ if (fd)
+ close(fd);
+
+ if (snmp_fd >= 0)
+ _cupsSNMPClose(snmp_fd);
+
/*
* Return the queue status...
*/
static int /* O - Status of command */
lpd_command(int fd, /* I - Socket connection to LPD host */
- int timeout, /* I - Seconds to wait for a response */
char *format, /* I - printf()-style format string */
...) /* I - Additional args as necessary */
{
va_list ap; /* Argument pointer */
char buf[1024]; /* Output buffer */
- int bytes; /* Number of bytes to output */
+ ssize_t bytes; /* Number of bytes to output */
char status; /* Status from command */
/*
- * 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)
* Send the command...
*/
- fprintf(stderr, "DEBUG: Sending command string (%d bytes)...\n", bytes);
+ fprintf(stderr, "DEBUG: Sending command string (" CUPS_LLFMT " bytes)...\n", CUPS_LLCAST bytes);
- if (lpd_write(fd, buf, bytes) < bytes)
+ if (lpd_write(fd, buf, (size_t)bytes) < bytes)
{
- perror("ERROR: Unable to send LPD command");
+ perror("DEBUG: Unable to send LPD command");
return (-1);
}
* Read back the status from the command and return it...
*/
- fprintf(stderr, "DEBUG: Reading command status...\n");
-
- alarm(timeout);
+ fputs("DEBUG: Reading command status...\n", stderr);
if (recv(fd, &status, 1, 0) < 1)
{
- fprintf(stderr, "WARNING: Remote host did not respond with command "
- "status byte after %d seconds!\n", timeout);
- status = errno;
+ _cupsLangPrintFilter(stderr, "WARNING", _("The printer did not respond."));
+ status = (char)errno;
}
- alarm(0);
-
fprintf(stderr, "DEBUG: lpd_command returning %d\n", status);
return (status);
*/
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 */
- const char *filename, /* I - File to print */
- 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 */
+ const char *orighost) /* I - job-originating-host-name */
{
- FILE *fp; /* Job file */
char localhost[255]; /* Local host name */
int error; /* Error number */
struct stat filestats; /* File statistics */
char control[10240], /* LPD control 'file' */
*cptr; /* Pointer into control file string */
char status; /* Status byte from command */
- char portname[255]; /* Port name */
- http_addrlist_t *addrlist, /* Address list */
- *addr; /* Socket address */
+ int delay; /* Delay for retries... */
+ char addrname[256]; /* Address name */
+ 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 */
-#ifdef __APPLE__
- int recoverable; /* Recoverable error shown? */
-#endif /* __APPLE__ */
- size_t nbytes; /* Number of bytes written */
+ ssize_t nbytes; /* Number of bytes written */
off_t tbytes; /* Total bytes written */
char buffer[32768]; /* Output buffer */
-#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
- struct sigaction action; /* Actions for POSIX signals */
-#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
-
-
- /*
- * Setup an alarm handler for timeouts...
- */
-
-#ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */
- sigset(SIGALRM, lpd_timeout);
-#elif defined(HAVE_SIGACTION)
- memset(&action, 0, sizeof(action));
-
- sigemptyset(&action.sa_mask);
- action.sa_handler = lpd_timeout;
- sigaction(SIGALRM, &action, NULL);
+#ifdef WIN32
+ DWORD tv; /* Timeout in milliseconds */
#else
- signal(SIGALRM, lpd_timeout);
-#endif /* HAVE_SIGSET */
-
- /*
- * Find the printer...
- */
-
- sprintf(portname, "%d", port);
+ struct timeval tv; /* Timeout in secs and usecs */
+#endif /* WIN32 */
- if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portname)) == NULL)
- {
- fprintf(stderr, "ERROR: Unable to locate printer \'%s\'!\n",
- hostname);
- return (CUPS_BACKEND_STOP);
- }
/*
- * Remember when we starting trying to connect to the printer...
+ * Remember when we started trying to connect to the printer...
*/
-#ifdef __APPLE__
- recoverable = 0;
-#endif /* __APPLE__ */
- start_time = time(NULL);
+ start_time = time(NULL);
/*
* Loop forever trying to print the file...
* First try to reserve a port for this connection...
*/
- fputs("STATE: +connecting-to-device\n", stderr);
- fprintf(stderr, "INFO: Attempting to connect to host %s for printer %s\n",
- hostname, printer);
+ fprintf(stderr, "DEBUG: Connecting to %s:%d for printer %s\n", hostname,
+ httpAddrPort(&(addrlist->addr)), printer);
+ _cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer."));
- for (lport = reserve == RESERVE_RFC1179 ? 732 : 1024, addr = addrlist;;
+ 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)
{
- perror("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)
{
- perror("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);
}
- if (!connect(fd, &(addr->addr.addr), httpAddrLength(&(addr->addr))))
+ if (!connect(fd, &(addr->addr.addr), (socklen_t)httpAddrLength(&(addr->addr))))
break;
error = errno;
close(fd);
- fd = -1;
if (addr->next)
continue;
* available printer in the class.
*/
- fprintf(stderr, "INFO: Unable to connect to %s, queuing on next printer in class...\n",
- hostname);
-
- 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)
{
- fputs("ERROR: Printer not responding!\n", stderr);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("The printer is not responding."));
return (CUPS_BACKEND_FAILED);
}
-#ifdef __APPLE__
- recoverable = 1;
- fprintf(stderr, "WARNING: recoverable: "
- "Network host \'%s\' is busy, down, or "
- "unreachable; will retry in 30 seconds...\n",
- hostname);
-#else
- fprintf(stderr, "WARNING: "
- "Network host \'%s\' is busy, down, or "
- "unreachable; will retry in 30 seconds...\n",
- hostname);
-#endif /* __APPLE__ */
- sleep(30);
+ switch (error)
+ {
+ case EHOSTDOWN :
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("The printer may not exist or "
+ "is unavailable at this time."));
+ break;
+
+ case EHOSTUNREACH :
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("The printer is unreachable at "
+ "this time."));
+ break;
+
+ case ECONNREFUSED :
+ default :
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("The printer is in use."));
+ break;
+ }
+
+ sleep((unsigned)delay);
+
+ if (delay < 30)
+ delay += 5;
}
else if (error == EADDRINUSE)
{
}
else
{
-#ifdef __APPLE__
- recoverable = 1;
- perror("ERROR: recoverable: "
- "Unable to connect to printer; will retry in 30 seconds...");
-#else
- perror("ERROR: "
- "Unable to connect to printer; will retry in 30 seconds...");
-#endif /* __APPLE__ */
- sleep(30);
+ _cupsLangPrintFilter(stderr, "ERROR",
+ _("The printer is not responding."));
+ sleep(30);
}
}
-#ifdef __APPLE__
- if (recoverable)
- {
- /*
- * If we've shown a recoverable error make sure the printer proxies
- * have a chance to see the recovered message. Not pretty but
- * necessary for now...
- */
+ /*
+ * Set the timeout...
+ */
- fputs("INFO: recovered: \n", stderr);
- sleep(5);
- }
-#endif /* __APPLE__ */
+#ifdef WIN32
+ tv = (DWORD)(timeout * 1000);
+
+ setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv, sizeof(tv));
+ setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, (char *)&tv, sizeof(tv));
+#else
+ tv.tv_sec = timeout;
+ tv.tv_usec = 0;
+
+ setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv));
+ setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv));
+#endif /* WIN32 */
fputs("STATE: -connecting-to-device\n", stderr);
- fprintf(stderr, "INFO: Connected to %s...\n", hostname);
- fprintf(stderr, "DEBUG: Connected on ports %d (local %d)...\n", port,
- lport);
+ _cupsLangPrintFilter(stderr, "INFO", _("Connected to printer."));
+
+ fprintf(stderr, "DEBUG: Connected to %s:%d (local port %d)...\n",
+ httpAddrString(&(addr->addr), addrname, sizeof(addrname)),
+ httpAddrPort(&(addr->addr)), lport);
+
+ /*
+ * See if the printer supports SNMP...
+ */
+
+ 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, &(addrlist->addr));
/*
* Next, open the print file and figure out its size...
*/
- if (stat(filename, &filestats))
+ if (print_fd)
{
- httpAddrFreeList(addrlist);
- close(fd);
+ /*
+ * Use the size from the print file...
+ */
- perror("ERROR: unable to stat print file");
- return (CUPS_BACKEND_FAILED);
- }
+ if (fstat(print_fd, &filestats))
+ {
+ close(fd);
- filestats.st_size *= manual_copies;
+ perror("DEBUG: unable to stat print file");
+ return (CUPS_BACKEND_FAILED);
+ }
- if ((fp = fopen(filename, "rb")) == NULL)
+ filestats.st_size *= manual_copies;
+ }
+ else
{
- httpAddrFreeList(addrlist);
- close(fd);
+ /*
+ * Use a "very large value" for the size so that the printer will
+ * keep printing until we close the connection...
+ */
- perror("ERROR: unable to open print file for reading");
- return (CUPS_BACKEND_FAILED);
+#ifdef _LARGEFILE_SOURCE
+ filestats.st_size = (size_t)(999999999999.0);
+#else
+ filestats.st_size = 2147483647;
+#endif /* _LARGEFILE_SOURCE */
}
/*
* literal output...
*/
- if (lpd_command(fd, timeout, "\002%s\n",
+ if (lpd_command(fd, "\002%s\n",
printer)) /* Receive print job(s) */
{
- httpAddrFreeList(addrlist);
close(fd);
return (CUPS_BACKEND_FAILED);
}
- httpGetHostname(NULL, localhost, sizeof(localhost));
+ if (orighost && _cups_strcasecmp(orighost, "localhost"))
+ strlcpy(localhost, orighost, sizeof(localhost));
+ else
+ httpGetHostname(NULL, localhost, sizeof(localhost));
snprintf(control, sizeof(control),
"H%.31s\n" /* RFC 1179, Section 7.2 - host name <= 31 chars */
if (banner)
{
- snprintf(cptr, sizeof(control) - (cptr - control),
+ snprintf(cptr, sizeof(control) - (size_t)(cptr - control),
"C%.31s\n" /* RFC 1179, Section 7.2 - class name <= 31 chars */
"L%s\n",
localhost, user);
while (copies > 0)
{
- snprintf(cptr, sizeof(control) - (cptr - control), "%cdfA%03d%.15s\n",
+ snprintf(cptr, sizeof(control) - (size_t)(cptr - control), "%cdfA%03d%.15s\n",
format, (int)getpid() % 1000, localhost);
cptr += strlen(cptr);
copies --;
}
- snprintf(cptr, sizeof(control) - (cptr - control),
+ snprintf(cptr, sizeof(control) - (size_t)(cptr - control),
"UdfA%03d%.15s\n"
"N%.131s\n", /* RFC 1179, Section 7.2 - sourcefile name <= 131 chars */
(int)getpid() % 1000, localhost, title);
if (order == ORDER_CONTROL_DATA)
{
- if (lpd_command(fd, timeout, "\002%d cfA%03.3d%.15s\n", strlen(control),
+ /*
+ * Check for side-channel requests...
+ */
+
+ backendCheckSideChannel(snmp_fd, &(addr->addr));
+
+ /*
+ * Send the control file...
+ */
+
+ if (lpd_command(fd, "\002%d cfA%03.3d%.15s\n", strlen(control),
(int)getpid() % 1000, localhost))
{
- httpAddrFreeList(addrlist);
close(fd);
return (CUPS_BACKEND_FAILED);
}
- fprintf(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))
+ if ((size_t)lpd_write(fd, control, strlen(control) + 1) < (strlen(control) + 1))
{
- status = errno;
- perror("ERROR: Unable to write control file");
+ status = (char)errno;
+ perror("DEBUG: Unable to write control file");
+
}
else
{
- alarm(timeout);
-
if (read(fd, &status, 1) < 1)
{
- fprintf(stderr, "WARNING: Remote host did not respond with control "
- "status byte after %d seconds!\n", timeout);
- status = errno;
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("The printer did not respond."));
+ status = (char)errno;
}
-
- alarm(0);
}
if (status != 0)
- fprintf(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
- fputs("INFO: Control file sent successfully\n", stderr);
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Control file sent successfully."));
}
else
status = 0;
if (status == 0)
{
+ /*
+ * Check for side-channel requests...
+ */
+
+ backendCheckSideChannel(snmp_fd, &(addr->addr));
+
/*
* Send the print file...
*/
- if (lpd_command(fd, timeout, "\003" CUPS_LLFMT " dfA%03.3d%.15s\n",
+ if (lpd_command(fd, "\003" CUPS_LLFMT " dfA%03.3d%.15s\n",
CUPS_LLCAST filestats.st_size, (int)getpid() % 1000,
localhost))
{
- httpAddrFreeList(addrlist);
close(fd);
return (CUPS_BACKEND_FAILED);
}
- fprintf(stderr, "INFO: Sending data file (" CUPS_LLFMT " bytes)\n",
- 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 ++)
{
- rewind(fp);
+ lseek(print_fd, 0, SEEK_SET);
- while ((nbytes = fread(buffer, 1, sizeof(buffer), fp)) > 0)
+ while ((nbytes = read(print_fd, buffer, sizeof(buffer))) > 0)
{
- fprintf(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)
+ if (lpd_write(fd, buffer, (size_t)nbytes) < nbytes)
{
- perror("ERROR: Unable to send print file to printer");
+ perror("DEBUG: Unable to send print file to printer");
break;
}
else
}
}
- if (tbytes < filestats.st_size)
- status = errno;
- else if (lpd_write(fd, "", 1) < 1)
+ if (mode == MODE_STANDARD)
{
- perror("ERROR: Unable to send trailing nul to printer");
- status = errno;
- }
- else
- {
- /*
- * Read the status byte from the printer; if we can't read the byte
- * back now, we should set status to "errno", however at this point
- * we know the printer got the whole file and we don't necessarily
- * want to requeue it over and over...
- */
-
- alarm(timeout);
-
- if (recv(fd, &status, 1, 0) < 1)
+ if (tbytes < filestats.st_size)
+ status = (char)errno;
+ else if (lpd_write(fd, "", 1) < 1)
{
- fprintf(stderr, "WARNING: Remote host did not respond with data "
- "status byte after %d seconds!\n", timeout);
- status = 0;
- }
-
- alarm(0);
+ perror("DEBUG: Unable to send trailing nul to printer");
+ status = (char)errno;
+ }
+ else
+ {
+ /*
+ * Read the status byte from the printer; if we can't read the byte
+ * back now, we should set status to "errno", however at this point
+ * we know the printer got the whole file and we don't necessarily
+ * want to requeue it over and over...
+ */
+
+ if (recv(fd, &status, 1, 0) < 1)
+ {
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("The printer did not respond."));
+ status = 0;
+ }
+ }
}
+ else
+ status = 0;
if (status != 0)
- fprintf(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
- fputs("INFO: Data file sent successfully\n", stderr);
+ _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),
+ /*
+ * Check for side-channel requests...
+ */
+
+ backendCheckSideChannel(snmp_fd, &(addr->addr));
+
+ /*
+ * Send control file...
+ */
+
+ if (lpd_command(fd, "\002%d cfA%03.3d%.15s\n", strlen(control),
(int)getpid() % 1000, localhost))
{
- httpAddrFreeList(addrlist);
close(fd);
return (CUPS_BACKEND_FAILED);
}
- fprintf(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))
+ if ((size_t)lpd_write(fd, control, strlen(control) + 1) < (strlen(control) + 1))
{
- status = errno;
- perror("ERROR: Unable to write control file");
+ status = (char)errno;
+ perror("DEBUG: Unable to write control file");
}
else
{
- alarm(timeout);
-
if (read(fd, &status, 1) < 1)
{
- fprintf(stderr, "WARNING: Remote host did not respond with control "
- "status byte after %d seconds!\n", timeout);
- status = errno;
+ _cupsLangPrintFilter(stderr, "WARNING",
+ _("The printer did not respond."));
+ status = (char)errno;
}
-
- alarm(0);
}
if (status != 0)
- fprintf(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
- fputs("INFO: Control file sent successfully\n", stderr);
+ _cupsLangPrintFilter(stderr, "INFO",
+ _("Control file sent successfully."));
}
+ fputs("STATE: +cups-waiting-for-job-completed\n", stderr);
+
+ /*
+ * Collect the final supply levels as needed...
+ */
+
+ if (have_supplies)
+ backendSNMPSupplies(snmp_fd, &(addr->addr), NULL, NULL);
+
/*
* Close the socket connection and input file...
*/
close(fd);
- fclose(fp);
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);
}
-/*
- * 'lpd_timeout()' - Handle timeout alarms...
- */
-
-static void
-lpd_timeout(int sig) /* I - Signal number */
-{
- (void)sig;
-
-#if !defined(HAVE_SIGSET) && !defined(HAVE_SIGACTION)
- signal(SIGALRM, lpd_timeout);
-#endif /* !HAVE_SIGSET && !HAVE_SIGACTION */
-}
-
-
/*
* 'lpd_write()' - Write a buffer of data to an LPD server.
*/
-static int /* O - Number of bytes written or -1 on error */
-lpd_write(int lpd_fd, /* I - LPD socket */
- char *buffer, /* I - Buffer to write */
- int length) /* I - Number of bytes to write */
+static ssize_t /* O - Number of bytes written or -1 on error */
+lpd_write(int lpd_fd, /* I - LPD socket */
+ char *buffer, /* I - Buffer to write */
+ size_t length) /* I - Number of bytes to write */
{
- int bytes, /* Number of bytes written */
- total; /* Total number of bytes written */
+ ssize_t bytes, /* Number of bytes written */
+ total; /* Total number of bytes written */
if (abort_job)
return (-1);
total = 0;
- while ((bytes = send(lpd_fd, buffer, length - total, 0)) >= 0)
+ while ((bytes = send(lpd_fd, buffer, length - (size_t)total, 0)) >= 0)
{
total += bytes;
buffer += bytes;
- if (total == length)
+ if ((size_t)total == length)
break;
}
if (bytes < 0)
return (-1);
else
- return (length);
+ return (total);
}
* Set the port number...
*/
-# ifdef AF_INET6
- if (family == AF_INET6)
- addr.ipv6.sin6_port = htons(*port);
- else
-# endif /* AF_INET6 */
- addr.ipv4.sin_port = htons(*port);
+ _httpAddrSetPort(&addr, *port);
/*
* Try binding the port to the socket; return if all is OK...
if (errno != EADDRINUSE)
{
-# ifdef WIN32
- closesocket(fd);
-# else
- close(fd);
-# endif /* WIN32 */
+ httpAddrClose(NULL, fd);
return (-1);
}
/*
- * End of "$Id: lpd.c 5495 2006-05-05 17:58:07Z mike $".
+ * End of "$Id$".
*/
projects / thirdparty / cups.git / blobdiff