/*
- * "$Id: ipp.c 7018 2007-10-10 22:14:03Z mike $"
+ * "$Id: ipp.c 7948 2008-09-17 00:04:12Z mike $"
*
* IPP backend for the Common UNIX Printing System (CUPS).
*
* compress_files() - Compress print files...
* password_cb() - Disable the password prompt for
* cupsDoFileRequest().
+ * report_attr() - Report an IPP attribute value.
* report_printer_state() - Report the printer state.
* run_pictwps_filter() - Convert PICT files to PostScript when printing
* remotely.
*/
#include <cups/http-private.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
+#include "backend-private.h"
#include <sys/types.h>
#include <sys/stat.h>
-#include <cups/backend.h>
-#include <cups/cups.h>
-#include <cups/language.h>
-#include <cups/i18n.h>
-#include <cups/string.h>
-#include <signal.h>
#include <sys/wait.h>
/*
static void compress_files(int num_files, char **files);
#endif /* HAVE_LIBZ */
static const char *password_cb(const char *);
+static void report_attr(ipp_attribute_t *attr);
static int report_printer_state(ipp_t *ipp, int job_id);
#ifdef __APPLE__
int send_options; /* Send job options? */
int num_options; /* Number of printer options */
cups_option_t *options; /* Printer options */
+ const char *device_uri; /* Device URI */
char method[255], /* Method in URI */
hostname[1024], /* Hostname */
username[255], /* Username info */
*name, /* Name of option */
*value, /* Value of option */
sep; /* Separator character */
+ 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? */
int num_files; /* Number of files to print */
char **files, /* Files to print */
*filename; /* Pointer to single filename */
int version; /* IPP version */
static const char * const pattrs[] =
{ /* Printer attributes we want */
+ "com.apple.print.recoverable-message",
"copies-supported",
"document-format-supported",
+ "marker-colors",
+ "marker-levels",
+ "marker-message",
+ "marker-names",
+ "marker-types",
"printer-is-accepting-jobs",
"printer-state",
"printer-state-message",
else
s = argv[0];
- printf("network %s \"Unknown\" \"Internet Printing Protocol (%s)\"\n",
- s, s);
+ printf("network %s \"Unknown\" \"%s (%s)\"\n",
+ s, _cupsLangString(cupsLangDefault(),
+ _("Internet Printing Protocol")), s);
return (CUPS_BACKEND_OK);
}
else if (argc < 6)
* Extract the hostname and printer name from the URI...
*/
- if (httpSeparateURI(HTTP_URI_CODING_ALL, cupsBackendDeviceURI(argv),
+ if ((device_uri = cupsBackendDeviceURI(argv)) == NULL)
+ return (CUPS_BACKEND_FAILED);
+
+ if (httpSeparateURI(HTTP_URI_CODING_ALL, device_uri,
method, sizeof(method), username, sizeof(username),
hostname, sizeof(hostname), &port,
resource, sizeof(resource)) < HTTP_URI_OK)
cups_file_t *fp; /* Temporary file */
char buffer[8192]; /* Buffer for copying */
int bytes; /* Number of bytes read */
+ off_t tbytes; /* Total bytes copied */
if ((fd = cupsTempFd(tmpfilename, sizeof(tmpfilename))) < 0)
{
- perror("ERROR: unable to create temporary file");
+ _cupsLangPrintError(_("ERROR: Unable to create temporary file"));
return (CUPS_BACKEND_FAILED);
}
if ((fp = cupsFileOpenFd(fd, compression ? "w9" : "w")) == NULL)
{
- perror("ERROR: unable to open temporary file");
+ _cupsLangPrintError(_("ERROR: Unable to open temporary file"));
close(fd);
unlink(tmpfilename);
return (CUPS_BACKEND_FAILED);
}
+ tbytes = 0;
+
while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0)
if (cupsFileWrite(fp, buffer, bytes) < bytes)
{
- perror("ERROR: unable to write to temporary file");
+ _cupsLangPrintError(_("ERROR: Unable to write to temporary file"));
cupsFileClose(fp);
unlink(tmpfilename);
return (CUPS_BACKEND_FAILED);
}
+ else
+ tbytes += bytes;
cupsFileClose(fp);
+ /*
+ * Don't try printing files less than 2 bytes...
+ */
+
+ if (tbytes <= 1)
+ {
+ _cupsLangPuts(stderr, _("ERROR: Empty print file!\n"));
+ unlink(tmpfilename);
+ return (CUPS_BACKEND_FAILED);
+ }
+
/*
* Point to the single file from stdin...
*/
do
{
- _cupsLangPrintf(stderr, _("INFO: Connecting to %s on port %d...\n"),
- hostname, port);
+ fprintf(stderr, "DEBUG: Connecting to %s:%d\n",
+ hostname, port);
+ _cupsLangPuts(stderr, _("INFO: Connecting to printer...\n"));
if ((http = httpConnectEncrypt(hostname, port, cupsEncryption())) == NULL)
{
_("INFO: Unable to contact printer, queuing on next "
"printer in class...\n"));
- if (argc == 6 || strcmp(filename, argv[6]))
- unlink(filename);
+ if (tmpfilename[0])
+ unlink(tmpfilename);
/*
* Sleep 5 seconds to keep the job from requeuing too rapidly...
if (job_cancelled)
{
- if (argc == 6 || strcmp(filename, argv[6]))
- unlink(filename);
+ if (tmpfilename[0])
+ unlink(tmpfilename);
return (CUPS_BACKEND_FAILED);
}
fputs("STATE: -connecting-to-device\n", stderr);
- _cupsLangPrintf(stderr, _("INFO: Connected to %s...\n"), hostname);
+ _cupsLangPuts(stderr, _("INFO: Connected to printer...\n"));
#ifdef AF_INET6
if (http->hostaddr->addr.sa_family == AF_INET6)
httpAddrString(http->hostaddr, addrname, sizeof(addrname)),
ntohs(http->hostaddr->ipv4.sin_port));
+ /*
+ * See if the printer supports SNMP...
+ */
+
+ if ((snmp_fd = _cupsSNMPOpen(http->hostaddr->addr.sa_family)) >= 0)
+ have_supplies = !backendSNMPSupplies(snmp_fd, http->hostaddr, &start_count,
+ NULL);
+ else
+ have_supplies = start_count = 0;
+
/*
* Build a URI for the printer and fill the standard IPP attributes for
* an IPP_PRINT_FILE request. We can't use the URI in argv[0] because it
do
{
+ /*
+ * Check for side-channel requests...
+ */
+
+ backendCheckSideChannel(snmp_fd, http->hostaddr);
+
/*
* Build the IPP request...
*/
ippDelete(supported);
httpClose(http);
- if (argc == 6 || strcmp(filename, argv[6]))
- unlink(filename);
+ if (tmpfilename[0])
+ unlink(tmpfilename);
/*
* Sleep 5 seconds to keep the job from requeuing too rapidly...
while (copies_remaining > 0)
{
+ /*
+ * Check for side-channel requests...
+ */
+
+ backendCheckSideChannel(snmp_fd, http->hostaddr);
+
/*
* Build the IPP request...
*/
* so convert the document to PostScript...
*/
- if (run_pictwps_filter(argv, filename))
+ if (run_pictwps_filter(argv, files[0]))
+ {
+ if (pstmpname[0])
+ unlink(pstmpname);
+
+ if (tmpfilename[0])
+ unlink(tmpfilename);
+
return (CUPS_BACKEND_FAILED);
+ }
- filename = pstmpname;
+ files[0] = pstmpname;
/*
* Change the MIME type to application/postscript and change the
{
for (i = 0; i < num_files; i ++)
{
+ /*
+ * Check for side-channel requests...
+ */
+
+ backendCheckSideChannel(snmp_fd, http->hostaddr);
+
+ /*
+ * Send the next file in the job...
+ */
+
request = ippNewRequest(IPP_SEND_DOCUMENT);
request->request.op.version[1] = version;
}
else if (ipp_status == IPP_SERVICE_UNAVAILABLE ||
ipp_status == IPP_PRINTER_BUSY)
- break;
+ continue;
else
copies_remaining --;
for (delay = 1; !job_cancelled;)
{
+ /*
+ * Check for side-channel requests...
+ */
+
+ backendCheckSideChannel(snmp_fd, http->hostaddr);
+
/*
* Build an IPP_GET_JOB_ATTRIBUTES request...
*/
check_printer_state(http, uri, resource, argv[2], version, job_id);
+ /*
+ * Collect the final page count as needed...
+ */
+
+ if (have_supplies &&
+ !backendSNMPSupplies(snmp_fd, http->hostaddr, &page_count, NULL) &&
+ page_count > start_count)
+ fprintf(stderr, "PAGE: total %d\n", page_count - start_count);
+
/*
* Free memory...
*/
*response; /* IPP response */
static const char * const attrs[] = /* Attributes we want */
{
+ "com.apple.print.recoverable-message",
+ "marker-colors",
+ "marker-levels",
+ "marker-message",
+ "marker-names",
+ "marker-types",
"printer-state-message",
"printer-state-reasons"
};
{
(void)prompt;
- if (password && password_tries < 3)
+ if (password && *password && password_tries < 3)
{
password_tries ++;
}
+/*
+ * 'report_attr()' - Report an IPP attribute value.
+ */
+
+static void
+report_attr(ipp_attribute_t *attr) /* I - Attribute */
+{
+ int i; /* Looping var */
+ char value[1024], /* Value string */
+ *valptr, /* Pointer into value string */
+ *attrptr; /* Pointer into attribute value */
+
+
+ /*
+ * Convert the attribute values into quoted strings...
+ */
+
+ for (i = 0, valptr = value;
+ i < attr->num_values && valptr < (value + sizeof(value) - 10);
+ i ++)
+ {
+ if (i > 0)
+ *valptr++ = ',';
+
+ switch (attr->value_tag)
+ {
+ case IPP_TAG_INTEGER :
+ case IPP_TAG_ENUM :
+ snprintf(valptr, sizeof(value) - (valptr - value), "%d",
+ attr->values[i].integer);
+ valptr += strlen(valptr);
+ break;
+
+ case IPP_TAG_TEXT :
+ case IPP_TAG_NAME :
+ case IPP_TAG_KEYWORD :
+ *valptr++ = '\"';
+ for (attrptr = attr->values[i].string.text;
+ *attrptr && valptr < (value + sizeof(value) - 10);
+ attrptr ++)
+ {
+ if (*attrptr == '\\' || *attrptr == '\"')
+ *valptr++ = '\\';
+
+ *valptr++ = *attrptr;
+ }
+ *valptr++ = '\"';
+ break;
+
+ default :
+ /*
+ * Unsupported value type...
+ */
+
+ return;
+ }
+ }
+
+ *valptr = '\0';
+
+ /*
+ * Tell the scheduler about the new values...
+ */
+
+ fprintf(stderr, "ATTR: %s=%s\n", attr->name, value);
+}
+
+
/*
* 'report_printer_state()' - Report the printer state.
*/
{
int i; /* Looping var */
int count; /* Count of reasons shown... */
- ipp_attribute_t *psm, /* pritner-state-message */
- *reasons; /* printer-state-reasons */
+ ipp_attribute_t *caprm, /* com.apple.print.recoverable-message */
+ *psm, /* printer-state-message */
+ *reasons, /* printer-state-reasons */
+ *marker; /* marker-* attributes */
const char *reason; /* Current reason */
const char *message; /* Message to show */
char unknown[1024]; /* Unknown message string */
const char *prefix; /* Prefix for STATE: line */
char state[1024]; /* State string */
cups_lang_t *language; /* Current localization */
+ int saw_caprw; /* Saw com.apple.print.recoverable-warning state */
if ((psm = ippFindAttribute(ipp, "printer-state-message",
IPP_TAG_KEYWORD)) == NULL)
return (0);
- state[0] = '\0';
- prefix = "STATE: ";
- language = cupsLangDefault();
+ saw_caprw = 0;
+ state[0] = '\0';
+ prefix = "STATE: ";
+ language = cupsLangDefault();
for (i = 0, count = 0; i < reasons->num_values; i ++)
{
reason = reasons->values[i].string.text;
- if (job_id == 0 || strcmp(reason, "paused"))
+ if (strcmp(reason, "paused"))
{
strlcat(state, prefix, sizeof(state));
strlcat(state, reason, sizeof(state));
else if (!strncmp(reason, "media-jam", 9))
message = _("Media jam!");
else if (!strncmp(reason, "moving-to-paused", 16) ||
+ !strncmp(reason, "offline", 7) ||
!strncmp(reason, "paused", 6) ||
!strncmp(reason, "shutdown", 8))
- message = _("Printer off-line.");
+ message = _("Printer offline.");
else if (!strncmp(reason, "toner-low", 9))
message = _("Toner low.");
else if (!strncmp(reason, "toner-empty", 11))
message = _("Developer almost empty.");
else if (!strncmp(reason, "developer-empty", 15))
message = _("Developer empty!");
+ else if (!strcmp(reason, "com.apple.print.recoverable-warning"))
+ saw_caprw = 1;
else if (strstr(reason, "error") != NULL)
{
message = unknown;
fprintf(stderr, "%s\n", state);
+ /*
+ * Relay com.apple.print.recoverable-message...
+ */
+
+ if ((caprm = ippFindAttribute(ipp, "com.apple.print.recoverable-message",
+ IPP_TAG_TEXT)) != NULL)
+ fprintf(stderr, "WARNING: %s: %s\n",
+ saw_caprw ? "recoverable" : "recovered",
+ caprm->values[0].string.text);
+
+ /*
+ * Relay the current marker-* attribute values...
+ */
+
+ if ((marker = ippFindAttribute(ipp, "marker-colors", IPP_TAG_NAME)) != NULL)
+ report_attr(marker);
+ if ((marker = ippFindAttribute(ipp, "marker-levels",
+ IPP_TAG_INTEGER)) != NULL)
+ report_attr(marker);
+ if ((marker = ippFindAttribute(ipp, "marker-message", IPP_TAG_TEXT)) != NULL)
+ report_attr(marker);
+ if ((marker = ippFindAttribute(ipp, "marker-names", IPP_TAG_NAME)) != NULL)
+ report_attr(marker);
+ if ((marker = ippFindAttribute(ipp, "marker-types", IPP_TAG_KEYWORD)) != NULL)
+ report_attr(marker);
+
return (count);
}
_cupsLangPrintf(stderr, _("ERROR: Unable to fork pictwpstops: %s\n"),
strerror(errno));
- unlink(filename);
if (ppdfile)
unlink(ppdfile);
return (-1);
_cupsLangPrintf(stderr, _("ERROR: Unable to wait for pictwpstops: %s\n"),
strerror(errno));
close(fd);
- unlink(filename);
if (ppdfile)
unlink(ppdfile);
return (-1);
_cupsLangPrintf(stderr, _("ERROR: pictwpstops exited on signal %d!\n"),
status);
- unlink(filename);
return (status);
}
/*
- * End of "$Id: ipp.c 7018 2007-10-10 22:14:03Z mike $".
+ * End of "$Id: ipp.c 7948 2008-09-17 00:04:12Z mike $".
*/