void
cgiPrintTestPage(http_t *http, /* I - Connection to server */
const char *dest) /* I - Destination printer/class */
{
ipp_t *request, /* IPP request */
*response; /* IPP response */
char uri[HTTP_MAX_URI], /* Printer URI */
resource[1024], /* POST resource path */
refresh[1024], /* Refresh URL */
filename[1024]; /* Test page filename */
const char *datadir; /* CUPS_DATADIR env var */
const char *user; /* Username */
/*
* See who is logged in...
*/
user = getenv("REMOTE_USER");
/*
* Locate the test page file...
*/
if ((datadir = getenv("CUPS_DATADIR")) == NULL)
datadir = CUPS_DATADIR;
snprintf(filename, sizeof(filename), "%s/data/testprint.ps", datadir);
/*
* Point to the printer/class...
*/
snprintf(resource, sizeof(resource), "/%s/%s", cgiGetVariable("SECTION"),
dest);
httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
"localhost", ippPort(), "/%s/%s", cgiGetVariable("SECTION"),
dest);
/*
* 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);
if (user)
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, user);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name",
NULL, "Test Page");
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);
}
if (cupsLastError() <= IPP_OK_CONFLICT)
{
/*
* Automatically reload the printer status page...
*/
cgiFormEncode(uri, resource, sizeof(uri));
snprintf(refresh, sizeof(refresh), "2;URL=%s", uri);
cgiSetVariable("refresh_page", refresh);
}
else if (cupsLastError() == IPP_NOT_AUTHORIZED)
{
puts("Status: 401\n");
exit(0);
}
cgiStartHTML(cgiText(_("Print Test Page")));
if (cupsLastError() > IPP_OK_CONFLICT)
cgiShowIPPError(_("Unable to print test page:"));
else
{
cgiSetVariable("PRINTER_NAME", dest);
cgiCopyTemplateLang("test-page.tmpl");
}
cgiEndHTML();
}
static void
show_printer(http_t *http, /* I - Connection to server */
const char *printer) /* I - Name of printer */
{
ipp_t *request, /* IPP request */
*response; /* IPP response */
ipp_attribute_t *attr; /* IPP attribute */
char uri[HTTP_MAX_URI]; /* Printer URI */
char refresh[1024]; /* Refresh URL */
fprintf(stderr, "DEBUG: show_printer(http=%p, printer=\"%s\")\n",
http, printer ? printer : "(null)");
/*
* Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
* printer-uri
*/
request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
"localhost", 0, "/printers/%s", printer);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL,
uri);
cgiGetAttributes(request, "printer.tmpl");
/*
* Do the request and get back a response...
*/
if ((response = cupsDoRequest(http, request, "/")) != NULL)
{
/*
* Got the result; set the CGI variables and check the status of a
* single-queue request...
*/
cgiSetIPPVars(response, NULL, NULL, NULL, 0);
if (printer && (attr = ippFindAttribute(response, "printer-state",
IPP_TAG_ENUM)) != NULL &&
attr->values[0].integer == IPP_PRINTER_PROCESSING)
{
/*
* Printer is processing - automatically refresh the page until we
* are done printing...
*/
cgiFormEncode(uri, printer, sizeof(uri));
snprintf(refresh, sizeof(refresh), "10;URL=/printers/%s", uri);
cgiSetVariable("refresh_page", refresh);
}
/*
* Delete the response...
*/
ippDelete(response);
/*
* Show the standard header...
*/
cgiStartHTML(printer);
/*
* Show the printer status...
*/
cgiCopyTemplateLang("printer.tmpl");
/*
* Show jobs for the specified printer...
*/
cgiCopyTemplateLang("printer-jobs-header.tmpl");
cgiShowJobs(http, printer);
}
else
{
/*
* Show the IPP error...
*/
cgiStartHTML(printer);
cgiShowIPPError(_("Unable to get printer status"));
}
cgiEndHTML();
}
void
cgiPrintCommand(http_t *http, /* I - Connection to server */
const char *dest, /* I - Destination printer */
const char *command, /* I - Command to send */
const char *title) /* I - Page/job title */
{
int job_id; /* Command file job */
char uri[HTTP_MAX_URI], /* Job URI */
resource[1024], /* Printer resource path */
refresh[1024], /* Refresh URL */
command_file[1024]; /* Command "file" */
http_status_t status; /* Document status */
cups_option_t hold_option; /* job-hold-until option */
const char *user; /* User name */
ipp_t *request, /* Get-Job-Attributes request */
*response; /* Get-Job-Attributes response */
ipp_attribute_t *attr; /* Current job attribute */
static const char * const job_attrs[] =/* Job attributes we want */
{
"job-state",
"job-printer-state-message"
};
/*
* Create the CUPS command file...
*/
snprintf(command_file, sizeof(command_file), "#CUPS-COMMAND\n%s\n", command);
/*
* Show status...
*/
if (cgiSupportsMultipart())
{
cgiStartMultipart();
cgiStartHTML(title);
cgiCopyTemplateLang("command.tmpl");
cgiEndHTML();
fflush(stdout);
}
/*
* Send the command file job...
*/
hold_option.name = "job-hold-until";
hold_option.value = "no-hold";
if ((user = getenv("REMOTE_USER")) != NULL)
cupsSetUser(user);
else
cupsSetUser("anonymous");
if ((job_id = cupsCreateJob(http, dest, title,
1, &hold_option)) < 1)
{
cgiSetVariable("MESSAGE", cgiText(_("Unable to send command to printer driver")));
cgiSetVariable("ERROR", cupsLastErrorString());
cgiStartHTML(title);
cgiCopyTemplateLang("error.tmpl");
cgiEndHTML();
if (cgiSupportsMultipart())
cgiEndMultipart();
return;
}
status = cupsStartDocument(http, dest, job_id, NULL, CUPS_FORMAT_COMMAND, 1);
if (status == HTTP_CONTINUE)
status = cupsWriteRequestData(http, command_file,
strlen(command_file));
if (status == HTTP_CONTINUE)
cupsFinishDocument(http, dest);
if (cupsLastError() >= IPP_REDIRECTION_OTHER_SITE)
{
cgiSetVariable("MESSAGE", cgiText(_("Unable to send command to printer driver")));
cgiSetVariable("ERROR", cupsLastErrorString());
cgiStartHTML(title);
cgiCopyTemplateLang("error.tmpl");
cgiEndHTML();
if (cgiSupportsMultipart())
cgiEndMultipart();
cupsCancelJob(dest, job_id);
return;
}
/*
* Wait for the job to complete...
*/
if (cgiSupportsMultipart())
{
for (;;)
{
/*
* Get the current job state...
*/
snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%d", job_id);
request = ippNewRequest(IPP_GET_JOB_ATTRIBUTES);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri",
NULL, uri);
if (user)
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, user);
ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes", 2, NULL, job_attrs);
if ((response = cupsDoRequest(http, request, "/")) != NULL)
cgiSetIPPVars(response, NULL, NULL, NULL, 0);
attr = ippFindAttribute(response, "job-state", IPP_TAG_ENUM);
if (!attr || attr->values[0].integer >= IPP_JOB_STOPPED ||
attr->values[0].integer == IPP_JOB_HELD)
{
ippDelete(response);
break;
}
/*
* Job not complete, so update the status...
*/
ippDelete(response);
cgiStartHTML(title);
cgiCopyTemplateLang("command.tmpl");
cgiEndHTML();
fflush(stdout);
sleep(5);
}
}
/*
* Send the final page that reloads the printer's page...
*/
snprintf(resource, sizeof(resource), "/printers/%s", dest);
cgiFormEncode(uri, resource, sizeof(uri));
snprintf(refresh, sizeof(refresh), "5;URL=%s", uri);
cgiSetVariable("refresh_page", refresh);
cgiStartHTML(title);
cgiCopyTemplateLang("command.tmpl");
cgiEndHTML();
if (cgiSupportsMultipart())
cgiEndMultipart();
}
