/*
- * "$Id: printers.c 5104 2006-02-15 03:21:04Z mike $"
+ * "$Id: printers.c 5160 2006-02-24 01:14:18Z mike $"
*
* Printer status CGI for the Common UNIX Printing System (CUPS).
*
* Contents:
*
* main() - Main entry for CGI.
+ * print_command() - Send a print command to the printer.
* show_all_printers() - Show all printers...
* show_printer() - Show a single printer.
*/
*/
#include "cgi-private.h"
+#include <errno.h>
/*
* Local functions...
*/
+void print_command(http_t *http, const char *printer, const char *command);
void show_all_printers(http_t *http, const char *username);
void show_printer(http_t *http, const char *printer);
* See if we are displaying a printer or all printers...
*/
- if (!strcmp(argv[0], "/") || strstr(argv[0], "printers.cgi"))
- printer = NULL;
- else
- printer = argv[0];
+ if ((printer = getenv("PATH_INFO")) != NULL)
+ printer ++;
/*
* See who is logged in...
else
show_printer(http, printer);
}
+ else if (!strcasecmp(op, "print-self-test-page") && printer)
+ print_command(http, printer, "PrintSelfTestPage");
+ else if (!strcasecmp(op, "clean-print-heads") && printer)
+ print_command(http, printer, "Clean all");
else if (!strcasecmp(op, "print-test-page") && printer)
cgiPrintTestPage(http, printer);
else if (!strcasecmp(op, "move-jobs") && printer)
}
+/*
+ * 'print_command()' - Send a print command to the printer.
+ */
+
+void
+print_command(http_t *http, /* I - Connection to server */
+ const char *printer, /* I - Printer */
+ const char *command) /* I - Command to send */
+{
+ cups_file_t *fp; /* File pointer */
+ char filename[1024]; /* Temporary file */
+ ipp_t *request, /* IPP request */
+ *response; /* IPP response */
+ char uri[HTTP_MAX_URI], /* Printer URI */
+ resource[1024], /* POST resource path */
+ refresh[1024]; /* Refresh URL */
+ const char *user; /* Username */
+
+
+ /*
+ * See who is logged in...
+ */
+
+ if ((user = getenv("REMOTE_USER")) == NULL)
+ user = "guest";
+
+ /*
+ * Create the CUPS command file to print...
+ */
+
+ if ((fp = cupsTempFile2(filename, sizeof(filename))) == NULL)
+ {
+ cgiStartHTML(cgiText(_("Printer Maintenance")));
+ cgiSetVariable("MESSAGE", _("Unable to create temporary file:"));
+ cgiSetVariable("ERROR", strerror(errno));
+ cgiCopyTemplateLang("error.tmpl");
+ cgiEndHTML();
+ return;
+ }
+
+ cupsFilePuts(fp, "#CUPS-COMMAND\n");
+ cupsFilePrintf(fp, "%s\n", command);
+ cupsFileClose(fp);
+
+ /*
+ * Point to the printer...
+ */
+
+ snprintf(resource, sizeof(resource), "/printers/%s", printer);
+
+ httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
+ "localhost", ippPort(), "/printers/%s", printer);
+
+ /*
+ * Build an IPP_PRINT_JOB request, which requires the following
+ * attributes:
+ *
+ * attributes-charset
+ * attributes-natural-language
+ * printer-uri
+ * requesting-user-name
+ * document-format
+ */
+
+ request = ippNewRequest(IPP_PRINT_JOB);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
+ NULL, uri);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
+ "requesting-user-name", NULL, user);
+
+ ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name",
+ NULL, "Printer Maintenance");
+
+ ippAddString(request, IPP_TAG_JOB, IPP_TAG_MIMETYPE, "document-format",
+ NULL, "application/postscript");
+
+ /*
+ * Do the request and get back a response...
+ */
+
+ if ((response = cupsDoFileRequest(http, request, resource,
+ filename)) != NULL)
+ {
+ cgiSetIPPVars(response, NULL, NULL, NULL, 0);
+
+ ippDelete(response);
+ }
+
+ unlink(filename);
+
+ if (cupsLastError() <= IPP_OK_CONFLICT)
+ {
+ /*
+ * Automatically reload the printer status page...
+ */
+
+ cgiFormEncode(uri, resource, sizeof(uri));
+ snprintf(refresh, sizeof(refresh), "2;%s", uri);
+ cgiSetVariable("refresh_page", refresh);
+ }
+
+ cgiStartHTML(cgiText(_("Printer Maintenance")));
+
+ if (cupsLastError() > IPP_OK_CONFLICT)
+ cgiShowIPPError(_("Unable to send maintenance job:"));
+ else
+ {
+ cgiSetVariable("PRINTER_NAME", printer);
+
+ cgiCopyTemplateLang("maintenance.tmpl");
+ }
+
+ cgiEndHTML();
+}
+
+
/*
* 'show_all_printers()' - Show all printers...
*/
ipp_t *request, /* IPP request */
*response; /* IPP response */
cups_array_t *printers; /* Array of printer objects */
- ipp_attribute_t *printer; /* Printer object */
+ ipp_attribute_t *printer, /* Printer object */
+ *attr; /* Current attribute */
int ascending, /* Order of printers (0 = descending) */
first, /* First printer to show */
count; /* Number of printers */
for (i = 0, printer = (ipp_attribute_t *)cupsArrayIndex(printers, first);
i < CUPS_PAGE_MAX && printer;
i ++, printer = (ipp_attribute_t *)cupsArrayNext(printers))
+ {
cgiSetIPPObjectVars(printer, NULL, i);
+
+ cgiSetArray("cupscommand", i, "0");
+
+ for (attr = printer; attr; attr = attr->next)
+ if (attr->group_tag != IPP_TAG_PRINTER || !attr->name)
+ break;
+ else if (!strcmp(attr->name, "printer-type"))
+ {
+ if (attr->values[0].integer & CUPS_PRINTER_COMMANDS)
+ cgiSetArray("cupscommand", i, "1");
+ break;
+ }
+ }
}
else
{
for (i = 0, printer = (ipp_attribute_t *)cupsArrayIndex(printers, count - first - 1);
i < CUPS_PAGE_MAX && printer;
i ++, printer = (ipp_attribute_t *)cupsArrayPrev(printers))
+ {
cgiSetIPPObjectVars(printer, NULL, i);
+
+ cgiSetArray("cupscommand", i, "0");
+
+ for (attr = printer; attr; attr = attr->next)
+ if (attr->group_tag == IPP_TAG_ZERO || !attr->name)
+ break;
+ else if (!strcmp(attr->name, "printer-type"))
+ {
+ if (attr->values[0].integer & CUPS_PRINTER_COMMANDS)
+ cgiSetArray("cupscommand", i, "1");
+ break;
+ }
+ }
}
/*
cgiSetIPPVars(response, NULL, NULL, NULL, 0);
+ if ((attr = ippFindAttribute(response, "printer-type",
+ IPP_TAG_ENUM)) != NULL)
+ {
+ cgiSetVariable("cupscommand",
+ (attr->values[0].integer & CUPS_PRINTER_COMMANDS) ?
+ "1" : "0");
+ }
+
if (printer && (attr = ippFindAttribute(response, "printer-state",
IPP_TAG_ENUM)) != NULL &&
attr->values[0].integer == IPP_PRINTER_PROCESSING)
/*
- * End of "$Id: printers.c 5104 2006-02-15 03:21:04Z mike $".
+ * End of "$Id: printers.c 5160 2006-02-24 01:14:18Z mike $".
*/
projects / thirdparty / cups.git / blobdiff