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); }
ssize_t /* O - Total bytes on success, -1 on error */ backendRunLoop( int print_fd, /* I - Print file descriptor */ int device_fd, /* I - Device file descriptor */ int snmp_fd, /* I - SNMP socket or -1 if none */ http_addr_t *addr, /* I - Address of device */ int use_bc, /* I - Use back-channel? */ int update_state, /* I - Update printer-state-reasons? */ _cups_sccb_t side_cb) /* I - Side-channel callback */ { int nfds; /* Maximum file descriptor value + 1 */ fd_set input, /* Input set for reading */ output; /* Output set for writing */ ssize_t print_bytes, /* Print bytes read */ bc_bytes, /* Backchannel bytes read */ total_bytes, /* Total bytes written */ bytes; /* Bytes written */ int paperout; /* "Paper out" status */ int offline; /* "Off-line" status */ char print_buffer[8192], /* Print data buffer */ *print_ptr, /* Pointer into print data buffer */ bc_buffer[1024]; /* Back-channel data buffer */ struct timeval timeout; /* Timeout for select() */ time_t curtime, /* Current time */ snmp_update = 0; #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) struct sigaction action; /* Actions for POSIX signals */ #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ fprintf(stderr, "DEBUG: backendRunLoop(print_fd=%d, device_fd=%d, snmp_fd=%d, " "addr=%p, use_bc=%d, side_cb=%p)\n", print_fd, device_fd, snmp_fd, addr, use_bc, side_cb); /* * If we are printing data from a print driver on stdin, ignore SIGTERM * so that the driver can finish out any page data, e.g. to eject the * current page. We only do this for stdin printing as otherwise there * is no way to cancel a raw print job... */ if (!print_fd) { #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ sigset(SIGTERM, SIG_IGN); #elif defined(HAVE_SIGACTION) memset(&action, 0, sizeof(action)); sigemptyset(&action.sa_mask); action.sa_handler = SIG_IGN; sigaction(SIGTERM, &action, NULL); #else signal(SIGTERM, SIG_IGN); #endif /* HAVE_SIGSET */ } else if (print_fd < 0) { /* * Copy print data from stdin, but don't mess with the signal handlers... */ print_fd = 0; } /* * Figure out the maximum file descriptor value to use with select()... */ nfds = (print_fd > device_fd ? print_fd : device_fd) + 1; /* * Now loop until we are out of data from print_fd... */ for (print_bytes = 0, print_ptr = print_buffer, offline = -1, paperout = -1, total_bytes = 0;;) { /* * Use select() to determine whether we have data to copy around... */ FD_ZERO(&input); if (!print_bytes) FD_SET(print_fd, &input); if (use_bc) FD_SET(device_fd, &input); if (!print_bytes && side_cb) FD_SET(CUPS_SC_FD, &input); FD_ZERO(&output); if (print_bytes || (!use_bc && !side_cb)) FD_SET(device_fd, &output); if (use_bc || side_cb) { timeout.tv_sec = 5; timeout.tv_usec = 0; if (select(nfds, &input, &output, NULL, &timeout) < 0) { /* * Pause printing to clear any pending errors... */ if (errno == ENXIO && offline != 1 && update_state) { fputs("STATE: +offline-report\n", stderr); _cupsLangPrintFilter(stderr, "INFO", _("The printer is not connected.")); offline = 1; } else if (errno == EINTR && total_bytes == 0) { fputs("DEBUG: Received an interrupt before any bytes were " "written, aborting.\n", stderr); return (0); } sleep(1); continue; } } /* * Check if we have a side-channel request ready... */ if (side_cb && FD_ISSET(CUPS_SC_FD, &input)) { /* * Do the side-channel request, then start back over in the select * loop since it may have read from print_fd... */ if ((*side_cb)(print_fd, device_fd, snmp_fd, addr, use_bc)) side_cb = NULL; continue; } /* * Check if we have back-channel data ready... */ if (FD_ISSET(device_fd, &input)) { if ((bc_bytes = read(device_fd, bc_buffer, sizeof(bc_buffer))) > 0) { fprintf(stderr, "DEBUG: Received " CUPS_LLFMT " bytes of back-channel data\n", CUPS_LLCAST bc_bytes); cupsBackChannelWrite(bc_buffer, bc_bytes, 1.0); } else if (bc_bytes < 0 && errno != EAGAIN && errno != EINTR) { fprintf(stderr, "DEBUG: Error reading back-channel data: %s\n", strerror(errno)); use_bc = 0; } else if (bc_bytes == 0) use_bc = 0; } /* * Check if we have print data ready... */ if (FD_ISSET(print_fd, &input)) { if ((print_bytes = read(print_fd, print_buffer, sizeof(print_buffer))) < 0) { /* * Read error - bail if we don't see EAGAIN or EINTR... */ if (errno != EAGAIN || errno != EINTR) { fprintf(stderr, "DEBUG: Read failed: %s\n", strerror(errno)); _cupsLangPrintFilter(stderr, "ERROR", _("Unable to read print data.")); return (-1); } print_bytes = 0; } else if (print_bytes == 0) { /* * End of file, break out of the loop... */ break; } print_ptr = print_buffer; fprintf(stderr, "DEBUG: Read %d bytes of print data...\n", (int)print_bytes); } /* * Check if the device is ready to receive data and we have data to * send... */ if (print_bytes && FD_ISSET(device_fd, &output)) { if ((bytes = write(device_fd, print_ptr, print_bytes)) < 0) { /* * Write error - bail if we don't see an error we can retry... */ if (errno == ENOSPC) { if (paperout != 1 && update_state) { fputs("STATE: +media-empty-warning\n", stderr); fputs("DEBUG: Out of paper\n", stderr); paperout = 1; } } else if (errno == ENXIO) { if (offline != 1 && update_state) { fputs("STATE: +offline-report\n", stderr); _cupsLangPrintFilter(stderr, "INFO", _("The printer is not connected.")); offline = 1; } } else if (errno != EAGAIN && errno != EINTR && errno != ENOTTY) { _cupsLangPrintError("ERROR", _("Unable to write print data")); return (-1); } } else { if (paperout && update_state) { fputs("STATE: -media-empty-warning\n", stderr); paperout = 0; } if (offline && update_state) { fputs("STATE: -offline-report\n", stderr); _cupsLangPrintFilter(stderr, "INFO", _("The printer is now connected.")); offline = 0; } fprintf(stderr, "DEBUG: Wrote %d bytes of print data...\n", (int)bytes); print_bytes -= bytes; print_ptr += bytes; total_bytes += bytes; } } /* * Do SNMP updates periodically... */ if (snmp_fd >= 0 && time(&curtime) >= snmp_update) { if (backendSNMPSupplies(snmp_fd, addr, NULL, NULL)) snmp_update = INT_MAX; else snmp_update = curtime + 5; } } /* * Return with success... */ return (total_bytes); }
int /* O - 0 on success, -1 on error */ backendDrainOutput(int print_fd, /* I - Print file descriptor */ int device_fd) /* I - Device file descriptor */ { int nfds; /* Maximum file descriptor value + 1 */ fd_set input; /* Input set for reading */ ssize_t print_bytes, /* Print bytes read */ bytes; /* Bytes written */ char print_buffer[8192], /* Print data buffer */ *print_ptr; /* Pointer into print data buffer */ struct timeval timeout; /* Timeout for read... */ fprintf(stderr, "DEBUG: backendDrainOutput(print_fd=%d, device_fd=%d)\n", print_fd, device_fd); /* * Figure out the maximum file descriptor value to use with select()... */ nfds = (print_fd > device_fd ? print_fd : device_fd) + 1; /* * Now loop until we are out of data from print_fd... */ for (;;) { /* * Use select() to determine whether we have data to copy around... */ FD_ZERO(&input); FD_SET(print_fd, &input); timeout.tv_sec = 0; timeout.tv_usec = 0; if (select(nfds, &input, NULL, NULL, &timeout) < 0) return (-1); if (!FD_ISSET(print_fd, &input)) return (0); if ((print_bytes = read(print_fd, print_buffer, sizeof(print_buffer))) < 0) { /* * Read error - bail if we don't see EAGAIN or EINTR... */ if (errno != EAGAIN || errno != EINTR) { fprintf(stderr, "DEBUG: Read failed: %s\n", strerror(errno)); _cupsLangPrintFilter(stderr, "ERROR", _("Unable to read print data.")); return (-1); } print_bytes = 0; } else if (print_bytes == 0) { /* * End of file, return... */ return (0); } fprintf(stderr, "DEBUG: Read %d bytes of print data...\n", (int)print_bytes); for (print_ptr = print_buffer; print_bytes > 0;) { if ((bytes = write(device_fd, print_ptr, print_bytes)) < 0) { /* * Write error - bail if we don't see an error we can retry... */ if (errno != ENOSPC && errno != ENXIO && errno != EAGAIN && errno != EINTR && errno != ENOTTY) { _cupsLangPrintError("ERROR", _("Unable to write print data")); return (-1); } } else { fprintf(stderr, "DEBUG: Wrote %d bytes of print data...\n", (int)bytes); print_bytes -= bytes; print_ptr += bytes; } } } }
int /* O - Exit status */ print_device(const char *uri, /* I - Device URI */ const char *hostname, /* I - Hostname/manufacturer */ const char *resource, /* I - Resource/modelname */ char *options, /* I - Device options/serial number */ int print_fd, /* I - File descriptor to print */ int copies, /* I - Copies to print */ int argc, /* I - Number of command-line arguments (6 or 7) */ char *argv[]) /* I - Command-line arguments */ { int use_bc; /* Use backchannel path? */ int device_fd; /* USB device */ ssize_t tbytes; /* Total number of bytes written */ struct termios opts; /* Parallel port options */ (void)argc; (void)argv; /* * Open the USB port device... */ fputs("STATE: +connecting-to-device\n", stderr); do { #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) /* * *BSD's ulpt driver currently does not support the * back-channel, incorrectly returns data ready on a select(), * and locks up on read()... */ use_bc = 0; #elif defined(__sun) /* * CUPS STR #3028: Solaris' usbprn driver apparently does not support * select() or poll(), so we can't support backchannel... */ use_bc = 0; #else /* * Disable backchannel data when printing to Brother, Canon, or * Minolta USB printers - apparently these printers will return * the IEEE-1284 device ID over and over and over when they get * a read request... */ use_bc = _cups_strcasecmp(hostname, "Brother") && _cups_strcasecmp(hostname, "Canon") && _cups_strncasecmp(hostname, "Konica", 6) && _cups_strncasecmp(hostname, "Minolta", 7); #endif /* __FreeBSD__ || __NetBSD__ || __OpenBSD__ || __DragonFly__ */ if ((device_fd = open_device(uri, &use_bc)) == -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); } if (errno == EBUSY) { _cupsLangPrintFilter(stderr, "INFO", _("The printer is in use.")); sleep(10); } else if (errno == ENXIO || errno == EIO || errno == ENOENT || errno == ENODEV) { sleep(30); } else { _cupsLangPrintError("ERROR", _("Unable to open device file")); return (CUPS_BACKEND_FAILED); } } } while (device_fd < 0); fputs("STATE: -connecting-to-device\n", stderr); /* * Set any options provided... */ tcgetattr(device_fd, &opts); opts.c_lflag &= ~(unsigned)(ICANON | ECHO | ISIG); /* Raw mode */ /**** No options supported yet ****/ tcsetattr(device_fd, TCSANOW, &opts); /* * Finally, send the print file... */ tbytes = 0; while (copies > 0 && tbytes >= 0) { copies --; if (print_fd != 0) { fputs("PAGE: 1 1\n", stderr); lseek(print_fd, 0, SEEK_SET); } #ifdef __sun /* * CUPS STR #3028: Solaris' usbprn driver apparently does not support * select() or poll(), so we can't support the sidechannel either... */ tbytes = backendRunLoop(print_fd, device_fd, -1, NULL, use_bc, 1, NULL); #else tbytes = backendRunLoop(print_fd, device_fd, -1, NULL, use_bc, 1, side_cb); #endif /* __sun */ if (print_fd != 0 && tbytes >= 0) _cupsLangPrintFilter(stderr, "INFO", _("Print file sent.")); } /* * Close the USB port and return... */ close(device_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); }
int /* O - Exit status */ main(int argc, /* I - Number of command-line arguments */ char *argv[]) /* I - Command-line arguments */ { int fd; /* File descriptor */ cups_raster_t *ras; /* Raster stream for printing */ cups_page_header2_t header; /* Page header from file */ unsigned y; /* Current line */ ppd_file_t *ppd; /* PPD file */ int num_options; /* Number of options */ cups_option_t *options; /* Options */ #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); /* * Check command-line... */ if (argc < 6 || argc > 7) { /* * We don't have the correct number of arguments; write an error message * and return. */ _cupsLangPrintFilter(stderr, "ERROR", _("%s job-id user title copies options [file]"), "rastertolabel"); return (1); } /* * Open the page stream... */ if (argc == 7) { if ((fd = open(argv[6], O_RDONLY)) == -1) { _cupsLangPrintError("ERROR", _("Unable to open raster file")); sleep(1); return (1); } } else fd = 0; ras = cupsRasterOpen(fd, CUPS_RASTER_READ); /* * Register a signal handler to eject the current page if the * job is cancelled. */ Canceled = 0; #ifdef HAVE_SIGSET /* Use System V signals over POSIX to avoid bugs */ sigset(SIGTERM, CancelJob); #elif defined(HAVE_SIGACTION) memset(&action, 0, sizeof(action)); sigemptyset(&action.sa_mask); action.sa_handler = CancelJob; sigaction(SIGTERM, &action, NULL); #else signal(SIGTERM, CancelJob); #endif /* HAVE_SIGSET */ /* * Open the PPD file and apply options... */ num_options = cupsParseOptions(argv[5], 0, &options); ppd = ppdOpenFile(getenv("PPD")); if (!ppd) { ppd_status_t status; /* PPD error */ int linenum; /* Line number */ _cupsLangPrintFilter(stderr, "ERROR", _("The PPD file could not be opened.")); status = ppdLastError(&linenum); fprintf(stderr, "DEBUG: %s on line %d.\n", ppdErrorString(status), linenum); return (1); } ppdMarkDefaults(ppd); cupsMarkOptions(ppd, num_options, options); /* * Initialize the print device... */ Setup(ppd); /* * Process pages as needed... */ Page = 0; while (cupsRasterReadHeader2(ras, &header)) { /* * Write a status message with the page number and number of copies. */ if (Canceled) break; Page ++; fprintf(stderr, "PAGE: %d 1\n", Page); _cupsLangPrintFilter(stderr, "INFO", _("Starting page %d."), Page); /* * Start the page... */ StartPage(ppd, &header); /* * Loop for each line on the page... */ for (y = 0; y < header.cupsHeight && !Canceled; y ++) { /* * Let the user know how far we have progressed... */ if (Canceled) break; if ((y & 15) == 0) { _cupsLangPrintFilter(stderr, "INFO", _("Printing page %d, %u%% complete."), Page, 100 * y / header.cupsHeight); fprintf(stderr, "ATTR: job-media-progress=%u\n", 100 * y / header.cupsHeight); } /* * Read a line of graphics... */ if (cupsRasterReadPixels(ras, Buffer, header.cupsBytesPerLine) < 1) break; /* * Write it to the printer... */ OutputLine(ppd, &header, y); } /* * Eject the page... */ _cupsLangPrintFilter(stderr, "INFO", _("Finished page %d."), Page); EndPage(ppd, &header); if (Canceled) break; } /* * Close the raster stream... */ cupsRasterClose(ras); if (fd != 0) close(fd); /* * Close the PPD file and free the options... */ ppdClose(ppd); cupsFreeOptions(num_options, options); /* * If no pages were printed, send an error message... */ if (Page == 0) { _cupsLangPrintFilter(stderr, "ERROR", _("No pages were found.")); return (1); } else return (0); }
static int /* O - 0 on success, 1 on fail */ set_printer_options( http_t *http, /* I - Server connection */ char *printer, /* I - Printer */ int num_options, /* I - Number of options */ cups_option_t *options, /* I - Options */ char *file) /* I - PPD file/interface script */ { ipp_t *request; /* IPP Request */ const char *ppdfile; /* PPD filename */ int ppdchanged; /* PPD changed? */ ppd_file_t *ppd; /* PPD file */ ppd_choice_t *choice; /* Marked choice */ char uri[HTTP_MAX_URI], /* URI for printer/class */ line[1024], /* Line from PPD file */ keyword[1024], /* Keyword from Default line */ *keyptr, /* Pointer into keyword... */ tempfile[1024]; /* Temporary filename */ cups_file_t *in, /* PPD file */ *out; /* Temporary file */ const char *protocol, /* Old protocol option */ *customval, /* Custom option value */ *boolval; /* Boolean value */ int wrote_ipp_supplies = 0, /* Wrote cupsIPPSupplies keyword? */ wrote_snmp_supplies = 0;/* Wrote cupsSNMPSupplies keyword? */ DEBUG_printf(("set_printer_options(http=%p, printer=\"%s\", num_options=%d, " "options=%p, file=\"%s\")\n", http, printer, num_options, options, file)); /* * Build a CUPS_ADD_MODIFY_PRINTER or CUPS_ADD_MODIFY_CLASS request, which * requires the following attributes: * * attributes-charset * attributes-natural-language * printer-uri * requesting-user-name * other options */ if (get_printer_type(http, printer, uri, sizeof(uri)) & CUPS_PRINTER_CLASS) request = ippNewRequest(CUPS_ADD_MODIFY_CLASS); else request = ippNewRequest(CUPS_ADD_MODIFY_PRINTER); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsUser()); /* * Add the options... */ cupsEncodeOptions2(request, num_options, options, IPP_TAG_PRINTER); if ((protocol = cupsGetOption("protocol", num_options, options)) != NULL) { if (!_cups_strcasecmp(protocol, "bcp")) ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_NAME, "port-monitor", NULL, "bcp"); else if (!_cups_strcasecmp(protocol, "tbcp")) ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_NAME, "port-monitor", NULL, "tbcp"); } if (file) ppdfile = file; else if (request->request.op.operation_id == CUPS_ADD_MODIFY_PRINTER) ppdfile = cupsGetPPD(printer); else ppdfile = NULL; if (ppdfile != NULL) { /* * Set default options in the PPD file... */ ppd = ppdOpenFile(ppdfile); ppdMarkDefaults(ppd); cupsMarkOptions(ppd, num_options, options); if ((out = cupsTempFile2(tempfile, sizeof(tempfile))) == NULL) { _cupsLangPrintError(NULL, _("lpadmin: Unable to create temporary file")); ippDelete(request); if (ppdfile != file) unlink(ppdfile); return (1); } if ((in = cupsFileOpen(ppdfile, "r")) == NULL) { _cupsLangPrintf(stderr, _("lpadmin: Unable to open PPD file \"%s\" - %s"), ppdfile, strerror(errno)); ippDelete(request); if (ppdfile != file) unlink(ppdfile); cupsFileClose(out); unlink(tempfile); return (1); } ppdchanged = 0; while (cupsFileGets(in, line, sizeof(line))) { if (!strncmp(line, "*cupsIPPSupplies:", 17) && (boolval = cupsGetOption("cupsIPPSupplies", num_options, options)) != NULL) { wrote_ipp_supplies = 1; cupsFilePrintf(out, "*cupsIPPSupplies: %s\n", (!_cups_strcasecmp(boolval, "true") || !_cups_strcasecmp(boolval, "yes") || !_cups_strcasecmp(boolval, "on")) ? "True" : "False"); } else if (!strncmp(line, "*cupsSNMPSupplies:", 18) && (boolval = cupsGetOption("cupsSNMPSupplies", num_options, options)) != NULL) { wrote_snmp_supplies = 1; cupsFilePrintf(out, "*cupsSNMPSupplies: %s\n", (!_cups_strcasecmp(boolval, "true") || !_cups_strcasecmp(boolval, "yes") || !_cups_strcasecmp(boolval, "on")) ? "True" : "False"); } else if (strncmp(line, "*Default", 8)) cupsFilePrintf(out, "%s\n", line); else { /* * Get default option name... */ strlcpy(keyword, line + 8, sizeof(keyword)); for (keyptr = keyword; *keyptr; keyptr ++) if (*keyptr == ':' || isspace(*keyptr & 255)) break; *keyptr++ = '\0'; while (isspace(*keyptr & 255)) keyptr ++; if (!strcmp(keyword, "PageRegion") || !strcmp(keyword, "PageSize") || !strcmp(keyword, "PaperDimension") || !strcmp(keyword, "ImageableArea")) { if ((choice = ppdFindMarkedChoice(ppd, "PageSize")) == NULL) choice = ppdFindMarkedChoice(ppd, "PageRegion"); } else choice = ppdFindMarkedChoice(ppd, keyword); if (choice && strcmp(choice->choice, keyptr)) { if (strcmp(choice->choice, "Custom")) { cupsFilePrintf(out, "*Default%s: %s\n", keyword, choice->choice); ppdchanged = 1; } else if ((customval = cupsGetOption(keyword, num_options, options)) != NULL) { cupsFilePrintf(out, "*Default%s: %s\n", keyword, customval); ppdchanged = 1; } else cupsFilePrintf(out, "%s\n", line); } else cupsFilePrintf(out, "%s\n", line); } } if (!wrote_ipp_supplies && (boolval = cupsGetOption("cupsIPPSupplies", num_options, options)) != NULL) { cupsFilePrintf(out, "*cupsIPPSupplies: %s\n", (!_cups_strcasecmp(boolval, "true") || !_cups_strcasecmp(boolval, "yes") || !_cups_strcasecmp(boolval, "on")) ? "True" : "False"); } if (!wrote_snmp_supplies && (boolval = cupsGetOption("cupsSNMPSupplies", num_options, options)) != NULL) { cupsFilePrintf(out, "*cupsSNMPSupplies: %s\n", (!_cups_strcasecmp(boolval, "true") || !_cups_strcasecmp(boolval, "yes") || !_cups_strcasecmp(boolval, "on")) ? "True" : "False"); } cupsFileClose(in); cupsFileClose(out); ppdClose(ppd); /* * Do the request... */ ippDelete(cupsDoFileRequest(http, request, "/admin/", ppdchanged ? tempfile : file)); /* * Clean up temp files... (TODO: catch signals in case we CTRL-C during * lpadmin) */ if (ppdfile != file) unlink(ppdfile); unlink(tempfile); } else { /* * No PPD file - just set the options... */ ippDelete(cupsDoRequest(http, request, "/admin/")); } /* * Check the response... */ if (cupsLastError() > IPP_OK_CONFLICT) { _cupsLangPrintf(stderr, _("%s: %s"), "lpadmin", cupsLastErrorString()); return (1); } else return (0); }
int /* O - Exit status */ main(int argc, /* I - Number of command-line arguments */ char *argv[]) /* I - Command-line arguments */ { cups_file_t *fp; /* File */ char buffer[8192]; /* Data buffer */ int bytes; /* Number of bytes read/written */ int copies; /* Number of copies */ /* * Check command-line... */ if (argc != 7) { _cupsLangPrintf(stderr, _("Usage: %s job-id user title copies options [file]"), argv[0]); return (1); } /* * Get the copy count; if we have no final content type, this is a * raw queue or raw print file, so we need to make copies... */ if (!getenv("FINAL_CONTENT_TYPE")) copies = atoi(argv[4]); else copies = 1; /* * Open the file... */ if ((fp = cupsFileOpen(argv[6], "r")) == NULL) { _cupsLangPrintError("ERROR", _("Unable to open print file")); return (1); } /* * Copy the file to stdout... */ while (copies > 0) { if (!getenv("FINAL_CONTENT_TYPE")) fputs("PAGE: 1 1\n", stderr); cupsFileRewind(fp); while ((bytes = cupsFileRead(fp, buffer, sizeof(buffer))) > 0) if (write(1, buffer, bytes) < bytes) { _cupsLangPrintFilter(stderr, "ERROR", _("Unable to write uncompressed print data: %s"), strerror(errno)); cupsFileClose(fp); return (1); } copies --; } /* * Close the file and return... */ cupsFileClose(fp); return (0); }
static void get_job_file(const char *job) /* I - Job ID */ { long jobid, /* Job ID */ docnum; /* Document number */ const char *jobptr; /* Pointer into job ID string */ char uri[1024]; /* job-uri */ http_t *http; /* Connection to server */ ipp_t *request; /* Request data */ int tempfd; /* Temporary file */ /* * Get the job ID and document number, if any... */ if ((jobptr = strrchr(job, '-')) != NULL) jobptr ++; else jobptr = job; jobid = strtol(jobptr, (char **)&jobptr, 10); if (*jobptr == ',') docnum = strtol(jobptr + 1, NULL, 10); else docnum = 1; if (jobid < 1 || jobid > INT_MAX) { _cupsLangPrintf(stderr, _("cupsfilter: Invalid job ID %d."), (int)jobid); exit(1); } if (docnum < 1 || docnum > INT_MAX) { _cupsLangPrintf(stderr, _("cupsfilter: Invalid document number %d."), (int)docnum); exit(1); } /* * Ask the server for the document file... */ if ((http = httpConnectEncrypt(cupsServer(), ippPort(), cupsEncryption())) == NULL) { _cupsLangPrintf(stderr, _("%s: Unable to connect to server."), "cupsfilter"); exit(1); } request = ippNewRequest(CUPS_GET_DOCUMENT); snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%d", (int)jobid); ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri); ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "document-number", (int)docnum); if ((tempfd = cupsTempFd(TempFile, sizeof(TempFile))) == -1) { _cupsLangPrintError("ERROR", _("Unable to create temporary file")); httpClose(http); exit(1); } signal(SIGTERM, sighandler); ippDelete(cupsDoIORequest(http, request, "/", -1, tempfd)); close(tempfd); httpClose(http); if (cupsLastError() != IPP_OK) { _cupsLangPrintf(stderr, _("cupsfilter: Unable to get job file - %s"), cupsLastErrorString()); unlink(TempFile); exit(1); } }
int /* O - Exit status */ main(int argc, /* I - Number of command-line arguments (6 or 7) */ char *argv[]) /* I - Command-line arguments */ { int print_fd; /* Print file */ int copies; /* Number of copies to print */ int status; /* Exit status */ int port; /* Port number (not used) */ const char *uri; /* Device URI */ char method[255], /* Method in URI */ hostname[1024], /* Hostname */ username[255], /* Username info (not used) */ resource[1024], /* Resource info (device and options) */ *options; /* Pointer to options */ #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) { list_devices(); 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); } /* * Extract the device name and options from the URI... */ uri = cupsBackendDeviceURI(argv); if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, method, sizeof(method), username, sizeof(username), hostname, sizeof(hostname), &port, resource, sizeof(resource)) < HTTP_URI_OK) { _cupsLangPrintFilter(stderr, "ERROR", _("No device URI found in argv[0] or in DEVICE_URI " "environment variable.")); return (1); } /* * See if there are any options... */ if ((options = strchr(resource, '?')) != NULL) { /* * Yup, terminate the device name string and move to the first * character of the options... */ *options++ = '\0'; } /* * 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]); } /* * Finally, send the print file... */ status = print_device(uri, hostname, resource, options, print_fd, copies, argc, argv); /* * Close the input file and return... */ if (print_fd != 0) close(print_fd); return (status); }