int /* O - Exit status */
main(int argc, /* I - Number of command-line arguments (6 or 7) */
char *argv[]) /* I - Command-line arguments */
{
const char *device_uri; /* Device URI */
char scheme[255], /* Scheme in URI */
hostname[1024], /* Hostname */
username[255], /* Username info (not used) */
resource[1024], /* Resource info (not used) */
*options, /* Pointer to options */
*name, /* Name of option */
*value, /* Value of option */
sep; /* Option separator */
int print_fd; /* Print file */
int copies; /* Number of copies to print */
time_t start_time; /* Time of first connect */
#ifdef __APPLE__
time_t current_time, /* Current time */
wait_time; /* Time to wait before shutting down socket */
#endif /* __APPLE__ */
int contimeout; /* Connection timeout */
int waiteof; /* Wait for end-of-file? */
int port; /* Port number */
char portname[255]; /* Port name */
int delay; /* Delay for retries... */
int device_fd; /* AppSocket */
int error; /* Error code (if any) */
http_addrlist_t *addrlist, /* Address list */
*addr; /* Connected address */
char addrname[256]; /* Address name */
int snmp_fd, /* SNMP socket */
start_count, /* Page count via SNMP at start */
page_count, /* Page count via SNMP */
have_supplies; /* Printer supports supply levels? */
ssize_t bytes = 0, /* Initial bytes read */
tbytes; /* Total number of bytes written */
char buffer[1024]; /* Initial print buffer */
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
struct sigaction action; /* Actions for POSIX signals */
#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
/*
* Make sure status messages are not buffered...
*/
setbuf(stderr, NULL);
/*
* Ignore SIGPIPE signals...
*/
#ifdef HAVE_SIGSET
sigset(SIGPIPE, SIG_IGN);
#elif defined(HAVE_SIGACTION)
memset(&action, 0, sizeof(action));
action.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &action, NULL);
#else
signal(SIGPIPE, SIG_IGN);
#endif /* HAVE_SIGSET */
/*
* Check command-line...
*/
if (argc == 1)
{
printf("network socket \"Unknown\" \"%s\"\n",
_cupsLangString(cupsLangDefault(), _("AppSocket/HP JetDirect")));
return (CUPS_BACKEND_OK);
}
else if (argc < 6 || argc > 7)
{
_cupsLangPrintf(stderr,
_("Usage: %s job-id user title copies options [file]"),
argv[0]);
return (CUPS_BACKEND_FAILED);
}
/*
* If we have 7 arguments, print the file named on the command-line.
* Otherwise, send stdin instead...
*/
if (argc == 6)
{
print_fd = 0;
copies = 1;
}
else
{
/*
* Try to open the print file...
*/
if ((print_fd = open(argv[6], O_RDONLY)) < 0)
{
_cupsLangPrintError("ERROR", _("Unable to open print file"));
return (CUPS_BACKEND_FAILED);
}
copies = atoi(argv[4]);
}
/*
* Extract the hostname and port number from the URI...
*/
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,
resource, sizeof(resource));
if (port == 0)
port = 9100; /* Default to HP JetDirect/Tektronix PhaserShare */
/*
* Get options, if any...
*/
waiteof = 1;
contimeout = 7 * 24 * 60 * 60;
if ((options = strchr(resource, '?')) != NULL)
{
/*
* Yup, terminate the device name string and move to the first
* character of the options...
*/
*options++ = '\0';
/*
* Parse options...
*/
while (*options)
{
/*
* Get the name...
*/
name = options;
while (*options && *options != '=' && *options != '+' && *options != '&')
options ++;
if ((sep = *options) != '\0')
*options++ = '\0';
if (sep == '=')
{
/*
* Get the value...
*/
value = options;
while (*options && *options != '+' && *options != '&')
options ++;
if (*options)
*options++ = '\0';
}
else
value = (char *)"";
/*
* Process the option...
*/
if (!_cups_strcasecmp(name, "waiteof"))
{
/*
* Set the wait-for-eof value...
*/
waiteof = !value[0] || !_cups_strcasecmp(value, "on") ||
!_cups_strcasecmp(value, "yes") || !_cups_strcasecmp(value, "true");
}
else if (!_cups_strcasecmp(name, "contimeout"))
{
/*
* Set the connection timeout...
*/
if (atoi(value) > 0)
contimeout = atoi(value);
}
}
}
/*
* Then try finding the remote host...
*/
start_time = time(NULL);
sprintf(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);
return (CUPS_BACKEND_STOP);
}
}
/*
* See if the printer supports SNMP...
*/
if ((snmp_fd = _cupsSNMPOpen(addrlist->addr.addr.sa_family)) >= 0)
{
have_supplies = !backendSNMPSupplies(snmp_fd, &(addrlist->addr),
&start_count, NULL);
}
else
have_supplies = start_count = 0;
/*
* Wait for data from the filter...
*/
if (print_fd == 0)
{
if (!backendWaitLoop(snmp_fd, &(addrlist->addr), 1, backendNetworkSideCB))
return (CUPS_BACKEND_OK);
else if ((bytes = read(0, buffer, sizeof(buffer))) <= 0)
return (CUPS_BACKEND_OK);
}
/*
* Connect to the printer...
*/
fprintf(stderr, "DEBUG: Connecting to %s:%d\n", hostname, port);
_cupsLangPrintFilter(stderr, "INFO", _("Connecting to printer."));
for (delay = 5;;)
{
if ((addr = httpAddrConnect(addrlist, &device_fd)) == NULL)
{
error = errno;
device_fd = -1;
if (getenv("CLASS") != NULL)
{
/*
* If the CLASS environment variable is set, the job was submitted
* to a class and not to a specific queue. In this case, we want
* to abort immediately so that the job can be requeued on the next
* available printer in the class.
*/
_cupsLangPrintFilter(stderr, "INFO",
_("Unable to contact printer, queuing on next "
"printer in class."));
/*
* Sleep 5 seconds to keep the job from requeuing too rapidly...
*/
sleep(5);
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)
{
_cupsLangPrintFilter(stderr, "ERROR",
_("The printer is not responding."));
return (CUPS_BACKEND_FAILED);
}
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(delay);
if (delay < 30)
delay += 5;
}
else
{
_cupsLangPrintFilter(stderr, "ERROR",
_("The printer is not responding."));
sleep(30);
}
}
else
break;
}
fputs("STATE: -connecting-to-device\n", stderr);
_cupsLangPrintFilter(stderr, "INFO", _("Connected to printer."));
fprintf(stderr, "DEBUG: Connected to %s:%d...\n",
httpAddrString(&(addr->addr), addrname, sizeof(addrname)),
_httpAddrPort(&(addr->addr)));
/*
* Print everything...
*/
tbytes = 0;
if (bytes > 0)
tbytes += write(device_fd, buffer, bytes);
while (copies > 0 && tbytes >= 0)
{
copies --;
if (print_fd != 0)
{
fputs("PAGE: 1 1\n", stderr);
lseek(print_fd, 0, SEEK_SET);
}
tbytes = backendRunLoop(print_fd, device_fd, snmp_fd, &(addrlist->addr), 1,
0, backendNetworkSideCB);
if (print_fd != 0 && tbytes >= 0)
_cupsLangPrintFilter(stderr, "INFO", _("Print file sent."));
}
#ifdef __APPLE__
/*
* Wait up to 5 seconds to get any pending back-channel data...
*/
wait_time = time(NULL) + 5;
while (wait_time >= time(¤t_time))
if (wait_bc(device_fd, wait_time - current_time) <= 0)
break;
#endif /* __APPLE__ */
if (waiteof)
{
/*
* Shutdown the socket and wait for the other end to finish...
*/
_cupsLangPrintFilter(stderr, "INFO", _("Waiting for printer to finish."));
shutdown(device_fd, 1);
while (wait_bc(device_fd, 90) > 0);
}
/*
* Collect the final page count as needed...
*/
if (have_supplies &&
!backendSNMPSupplies(snmp_fd, &(addrlist->addr), &page_count, NULL) &&
page_count > start_count)
fprintf(stderr, "PAGE: total %d\n", page_count - start_count);
/*
* Close the socket connection...
*/
close(device_fd);
httpAddrFreeList(addrlist);
/*
* Close the input file and return...
*/
if (print_fd != 0)
close(print_fd);
return (CUPS_BACKEND_OK);
}
int /* O - Exit status */
main(int argc, /* I - Number of command-line arguments (6 or 7) */
char *argv[]) /* I - Command-line arguments */
{
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 */
#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
int num_jobopts; /* Number of job options */
cups_option_t *jobopts = NULL; /* Job options */
/*
* Make sure status messages are not buffered...
*/
setbuf(stderr, NULL);
/*
* Ignore SIGPIPE and catch SIGTERM signals...
*/
#ifdef HAVE_SIGSET
sigset(SIGPIPE, SIG_IGN);
sigset(SIGTERM, sigterm_handler);
#elif defined(HAVE_SIGACTION)
memset(&action, 0, sizeof(action));
action.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &action, NULL);
sigemptyset(&action.sa_mask);
sigaddset(&action.sa_mask, SIGTERM);
action.sa_handler = sigterm_handler;
sigaction(SIGTERM, &action, NULL);
#else
signal(SIGPIPE, SIG_IGN);
signal(SIGTERM, sigterm_handler);
#endif /* HAVE_SIGSET */
/*
* Check command-line...
*/
if (argc == 1)
{
printf("network lpd \"Unknown\" \"%s\"\n",
_cupsLangString(cupsLangDefault(), _("LPD/LPR Host or Printer")));
return (CUPS_BACKEND_OK);
}
else if (argc < 6 || argc > 7)
{
_cupsLangPrintf(stderr,
_("Usage: %s job-id user title copies options [file]"),
argv[0]);
return (CUPS_BACKEND_FAILED);
}
num_jobopts = cupsParseOptions(argv[5], 0, &jobopts);
/*
* Extract the hostname and printer name from the URI...
*/
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,
resource, sizeof(resource));
if (!port)
port = 515; /* Default to port 515 */
if (!username[0])
{
/*
* If no username is in the device URI, then use the print job user...
*/
strlcpy(username, argv[2], sizeof(username));
}
/*
* See if there are any options...
*/
mode = MODE_STANDARD;
banner = 0;
format = 'l';
order = ORDER_CONTROL_DATA;
reserve = RESERVE_ANY;
manual_copies = 1;
timeout = 300;
contimeout = 7 * 24 * 60 * 60;
#ifdef __APPLE__
/*
* We want to pass UTF-8 characters by default, not re-map them (3071945)
*/
sanitize_title = 0;
#else
/*
* Otherwise we want to re-map UTF-8 to "safe" characters by default...
*/
sanitize_title = 1;
#endif /* __APPLE__ */
if ((options = strchr(resource, '?')) != NULL)
{
/*
* Yup, terminate the device name string and move to the first
* character of the options...
*/
*options++ = '\0';
/*
* Parse options...
*/
while (*options)
{
/*
* Get the name...
*/
name = options;
while (*options && *options != '=' && *options != '+' && *options != '&')
options ++;
if ((sep = *options) != '\0')
*options++ = '\0';
if (sep == '=')
{
/*
* Get the value...
*/
value = options;
while (*options && *options != '+' && *options != '&')
options ++;
if (*options)
*options++ = '\0';
}
else
value = (char *)"";
/*
* Process the option...
*/
if (!_cups_strcasecmp(name, "banner"))
{
/*
* Set the banner...
*/
banner = !value[0] || !_cups_strcasecmp(value, "on") ||
!_cups_strcasecmp(value, "yes") || !_cups_strcasecmp(value, "true");
}
else if (!_cups_strcasecmp(name, "format") && value[0])
{
/*
* Set output format...
*/
if (strchr("cdfglnoprtv", value[0]))
format = value[0];
else
_cupsLangPrintFilter(stderr, "ERROR",
_("Unknown format character: \"%c\"."),
value[0]);
}
else if (!_cups_strcasecmp(name, "mode") && value[0])
{
/*
* Set control/data order...
*/
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 (!_cups_strcasecmp(value, "data,control"))
order = ORDER_DATA_CONTROL;
else
_cupsLangPrintFilter(stderr, "ERROR",
_("Unknown file order: \"%s\"."), value);
}
else if (!_cups_strcasecmp(name, "reserve"))
{
/*
* Set port reservation mode...
*/
if (!value[0] || !_cups_strcasecmp(value, "on") ||
!_cups_strcasecmp(value, "yes") ||
!_cups_strcasecmp(value, "true") ||
!_cups_strcasecmp(value, "rfc1179"))
reserve = RESERVE_RFC1179;
else if (!_cups_strcasecmp(value, "any"))
reserve = RESERVE_ANY;
else
reserve = RESERVE_NONE;
}
else if (!_cups_strcasecmp(name, "manual_copies"))
{
/*
* Set manual copies...
*/
manual_copies = !value[0] || !_cups_strcasecmp(value, "on") ||
!_cups_strcasecmp(value, "yes") ||
!_cups_strcasecmp(value, "true");
}
else if (!_cups_strcasecmp(name, "sanitize_title"))
{
/*
* Set sanitize title...
*/
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 (!_cups_strcasecmp(name, "timeout"))
{
/*
* Set the timeout...
*/
if (atoi(value) > 0)
timeout = atoi(value);
}
else if (!_cups_strcasecmp(name, "contimeout"))
{
/*
* Set the connection timeout...
*/
if (atoi(value) > 0)
contimeout = atoi(value);
}
}
}
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, 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...
*/
strlcpy(title, argv[3], sizeof(title));
if (sanitize_title)
{
/*
* Sanitize the title string so that we don't cause problems on
* the remote end...
*/
char *ptr;
for (ptr = title; *ptr; ptr ++)
if (!isalnum(*ptr & 255) && !isspace(*ptr & 255))
*ptr = '_';
}
/*
* Queue the job...
*/
if (argc > 6)
{
if (manual_copies)
{
manual_copies = atoi(argv[4]);
copies = 1;
}
else
{
manual_copies = 1;
copies = atoi(argv[4]);
}
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, 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...
*/
return (status);
}
