static void
do_printer_op(http_t *http, /* I - HTTP connection */
const char *printer, /* I - Printer name */
ipp_op_t op, /* I - Operation to perform */
const char *title) /* I - Title of page */
{
ipp_t *request; /* IPP request */
char uri[HTTP_MAX_URI], /* Printer URI */
resource[HTTP_MAX_URI]; /* Path for request */
/*
* Build a printer request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
* printer-uri
*/
request = ippNewRequest(op);
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);
/*
* Do the request and get back a response...
*/
snprintf(resource, sizeof(resource), "/printers/%s", printer);
ippDelete(cupsDoRequest(http, request, resource));
if (cupsLastError() == IPP_NOT_AUTHORIZED)
{
puts("Status: 401\n");
exit(0);
}
else if (cupsLastError() > IPP_OK_CONFLICT)
{
cgiStartHTML(title);
cgiShowIPPError(_("Unable to do maintenance command"));
}
else
{
/*
* Redirect successful updates back to the printer page...
*/
char url[1024], /* Printer/class URL */
refresh[1024]; /* Refresh URL */
cgiRewriteURL(uri, url, sizeof(url), NULL);
cgiFormEncode(uri, url, sizeof(uri));
snprintf(refresh, sizeof(refresh), "5;URL=%s", uri);
cgiSetVariable("refresh_page", refresh);
cgiStartHTML(title);
if (op == IPP_PAUSE_PRINTER)
cgiCopyTemplateLang("printer-stop.tmpl");
else if (op == IPP_RESUME_PRINTER)
cgiCopyTemplateLang("printer-start.tmpl");
else if (op == CUPS_ACCEPT_JOBS)
cgiCopyTemplateLang("printer-accept.tmpl");
else if (op == CUPS_REJECT_JOBS)
cgiCopyTemplateLang("printer-reject.tmpl");
else if (op == IPP_PURGE_JOBS)
cgiCopyTemplateLang("printer-purge.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
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();
}
void
cgiMoveJobs(http_t *http, /* I - Connection to server */
const char *dest, /* I - Destination or NULL */
int job_id) /* I - Job ID or 0 for all */
{
int i; /* Looping var */
const char *user; /* Username */
ipp_t *request, /* IPP request */
*response; /* IPP response */
ipp_attribute_t *attr; /* Current attribute */
const char *name; /* Destination name */
const char *job_printer_uri; /* JOB_PRINTER_URI form variable */
char current_dest[1024]; /* Current destination */
/*
* See who is logged in...
*/
if ((user = getenv("REMOTE_USER")) == NULL)
user = "******";
/*
* See if the user has already selected a new destination...
*/
if ((job_printer_uri = cgiGetVariable("JOB_PRINTER_URI")) == NULL)
{
/*
* Make sure necessary form variables are set...
*/
if (job_id)
{
char temp[255]; /* Temporary string */
sprintf(temp, "%d", job_id);
cgiSetVariable("JOB_ID", temp);
}
if (dest)
cgiSetVariable("PRINTER_NAME", dest);
/*
* No new destination specified, show the user what the available
* printers/classes are...
*/
if (!dest)
{
/*
* Get the current destination for job N...
*/
char job_uri[1024]; /* Job URI */
request = ippNewRequest(IPP_GET_JOB_ATTRIBUTES);
snprintf(job_uri, sizeof(job_uri), "ipp://localhost/jobs/%d", job_id);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri",
NULL, job_uri);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes", NULL, "job-printer-uri");
if ((response = cupsDoRequest(http, request, "/")) != NULL)
{
if ((attr = ippFindAttribute(response, "job-printer-uri",
IPP_TAG_URI)) != NULL)
{
/*
* Pull the name from the URI...
*/
strlcpy(current_dest, strrchr(attr->values[0].string.text, '/') + 1,
sizeof(current_dest));
dest = current_dest;
}
ippDelete(response);
}
if (!dest)
{
/*
* Couldn't get the current destination...
*/
cgiStartHTML(cgiText(_("Move Job")));
cgiShowIPPError(_("Unable to find destination for job!"));
cgiEndHTML();
return;
}
}
/*
* Get the list of available destinations...
*/
request = ippNewRequest(CUPS_GET_PRINTERS);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes", NULL, "printer-uri-supported");
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, user);
if ((response = cupsDoRequest(http, request, "/")) != NULL)
{
for (i = 0, attr = ippFindAttribute(response, "printer-uri-supported",
IPP_TAG_URI);
attr;
attr = ippFindNextAttribute(response, "printer-uri-supported",
IPP_TAG_URI))
{
/*
* Pull the name from the URI...
*/
name = strrchr(attr->values[0].string.text, '/') + 1;
/*
* If the name is not the same as the current destination, add it!
*/
if (strcasecmp(name, dest))
{
cgiSetArray("JOB_PRINTER_URI", i, attr->values[0].string.text);
cgiSetArray("JOB_PRINTER_NAME", i, name);
i ++;
}
}
ippDelete(response);
}
/*
* Show the form...
*/
if (job_id)
cgiStartHTML(cgiText(_("Move Job")));
else
cgiStartHTML(cgiText(_("Move All Jobs")));
cgiCopyTemplateLang("job-move.tmpl");
}
else
{
/*
* Try moving the job or jobs...
*/
char uri[1024], /* Job/printer URI */
resource[1024], /* Post resource */
refresh[1024]; /* Refresh URL */
const char *job_printer_name; /* New printer name */
request = ippNewRequest(CUPS_MOVE_JOB);
if (job_id)
{
/*
* Move 1 job...
*/
snprintf(resource, sizeof(resource), "/jobs/%d", job_id);
snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%d", job_id);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri",
NULL, uri);
}
else
{
/*
* Move all active jobs on a destination...
*/
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);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
NULL, uri);
}
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-printer-uri",
NULL, job_printer_uri);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, user);
ippDelete(cupsDoRequest(http, request, resource));
/*
* Show the results...
*/
job_printer_name = strrchr(job_printer_uri, '/') + 1;
if (cupsLastError() <= IPP_OK_CONFLICT)
{
const char *path = strstr(job_printer_uri, "/printers/");
if (!path)
path = strstr(job_printer_uri, "/classes/");
if (path)
{
cgiFormEncode(uri, path, sizeof(uri));
snprintf(refresh, sizeof(refresh), "2;URL=%s", uri);
cgiSetVariable("refresh_page", refresh);
}
}
if (job_id)
cgiStartHTML(cgiText(_("Move Job")));
else
cgiStartHTML(cgiText(_("Move All Jobs")));
if (cupsLastError() > IPP_OK_CONFLICT)
{
if (job_id)
cgiShowIPPError(_("Unable to move job"));
else
cgiShowIPPError(_("Unable to move jobs"));
}
else
{
cgiSetVariable("JOB_PRINTER_NAME", job_printer_name);
cgiCopyTemplateLang("job-moved.tmpl");
}
}
cgiEndHTML();
}
static void
do_job_op(http_t *http, /* I - HTTP connection */
int job_id, /* I - Job ID */
ipp_op_t op) /* I - Operation to perform */
{
ipp_t *request; /* IPP request */
char uri[HTTP_MAX_URI]; /* Job URI */
const char *user; /* Username */
/*
* Build a job request, which requires the following
* attributes:
*
* attributes-charset
* attributes-natural-language
* job-uri or printer-uri (purge-jobs)
* requesting-user-name
*/
request = ippNewRequest(op);
snprintf(uri, sizeof(uri), "ipp://localhost/jobs/%d", job_id);
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri",
NULL, uri);
if ((user = getenv("REMOTE_USER")) == NULL)
user = "******";
ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
"requesting-user-name", NULL, user);
/*
* Do the request and get back a response...
*/
ippDelete(cupsDoRequest(http, request, "/jobs"));
if (cupsLastError() <= IPP_OK_CONFLICT && getenv("HTTP_REFERER"))
{
/*
* Redirect successful updates back to the parent page...
*/
char url[1024]; /* Encoded URL */
strlcpy(url, "5;URL=", sizeof(url));
cgiFormEncode(url + 6, getenv("HTTP_REFERER"), sizeof(url) - 6);
cgiSetVariable("refresh_page", url);
}
else if (cupsLastError() == IPP_NOT_AUTHORIZED)
{
puts("Status: 401\n");
exit(0);
}
cgiStartHTML(cgiText(_("Jobs")));
if (cupsLastError() > IPP_OK_CONFLICT)
cgiShowIPPError(_("Job operation failed"));
else if (op == IPP_CANCEL_JOB)
cgiCopyTemplateLang("job-cancel.tmpl");
else if (op == IPP_HOLD_JOB)
cgiCopyTemplateLang("job-hold.tmpl");
else if (op == IPP_RELEASE_JOB)
cgiCopyTemplateLang("job-release.tmpl");
else if (op == IPP_RESTART_JOB)
cgiCopyTemplateLang("job-restart.tmpl");
cgiEndHTML();
}
int /* O - Exit status */
main(int argc, /* I - Number of command-line arguments */
char *argv[]) /* I - Command-line arguments */
{
help_index_t *hi, /* Help index */
*si; /* Search index */
help_node_t *n; /* Current help node */
int i; /* Looping var */
const char *query; /* Search query */
const char *cache_dir; /* CUPS_CACHEDIR environment variable */
const char *docroot; /* CUPS_DOCROOT environment variable */
const char *helpfile, /* Current help file */
*helptitle = NULL; /* Current help title */
const char *topic; /* Current topic */
char topic_data[1024]; /* Topic form data */
const char *section; /* Current section */
char filename[1024], /* Filename */
directory[1024]; /* Directory */
cups_file_t *fp; /* Help file */
char line[1024]; /* Line from file */
int printable; /* Show printable version? */
/*
* Get any form variables...
*/
cgiInitialize();
printable = cgiGetVariable("PRINTABLE") != NULL;
/*
* Set the web interface section...
*/
cgiSetVariable("SECTION", "help");
cgiSetVariable("REFRESH_PAGE", "");
/*
* Load the help index...
*/
if ((cache_dir = getenv("CUPS_CACHEDIR")) == NULL)
cache_dir = CUPS_CACHEDIR;
snprintf(filename, sizeof(filename), "%s/help.index", cache_dir);
if ((docroot = getenv("CUPS_DOCROOT")) == NULL)
docroot = CUPS_DOCROOT;
snprintf(directory, sizeof(directory), "%s/help", docroot);
fprintf(stderr, "DEBUG: helpLoadIndex(filename=\"%s\", directory=\"%s\")\n",
filename, directory);
hi = helpLoadIndex(filename, directory);
if (!hi)
{
perror(filename);
cgiStartHTML(cgiText(_("Online Help")));
cgiSetVariable("ERROR", cgiText(_("Unable to load help index.")));
cgiCopyTemplateLang("error.tmpl");
cgiEndHTML();
return (1);
}
fprintf(stderr, "DEBUG: %d nodes in help index...\n",
cupsArrayCount(hi->nodes));
/*
* See if we are viewing a file...
*/
for (i = 0; i < argc; i ++)
fprintf(stderr, "DEBUG: argv[%d]=\"%s\"\n", i, argv[i]);
if ((helpfile = getenv("PATH_INFO")) != NULL)
{
helpfile ++;
if (!*helpfile)
helpfile = NULL;
}
if (helpfile)
{
/*
* Verify that the help file exists and is part of the index...
*/
snprintf(filename, sizeof(filename), "%s/help/%s", docroot, helpfile);
fprintf(stderr, "DEBUG: helpfile=\"%s\", filename=\"%s\"\n",
helpfile, filename);
if (access(filename, R_OK))
{
perror(filename);
cgiStartHTML(cgiText(_("Online Help")));
cgiSetVariable("ERROR", cgiText(_("Unable to access help file.")));
cgiCopyTemplateLang("error.tmpl");
cgiEndHTML();
return (1);
}
if ((n = helpFindNode(hi, helpfile, NULL)) == NULL)
{
cgiStartHTML(cgiText(_("Online Help")));
cgiSetVariable("ERROR", cgiText(_("Help file not in index.")));
cgiCopyTemplateLang("error.tmpl");
cgiEndHTML();
return (1);
}
/*
* Save the page title and help file...
*/
helptitle = n->text;
topic = n->section;
/*
* Send a standard page header...
*/
if (printable)
puts("Content-Type: text/html;charset=utf-8\n");
else
cgiStartHTML(n->text);
}
else
{
/*
* Send a standard page header...
*/
cgiStartHTML(cgiText(_("Online Help")));
topic = cgiGetVariable("TOPIC");
}
/*
* Do a search as needed...
*/
if (cgiGetVariable("CLEAR"))
cgiSetVariable("QUERY", "");
query = cgiGetVariable("QUERY");
si = helpSearchIndex(hi, query, topic, helpfile);
cgiClearVariables();
if (query)
cgiSetVariable("QUERY", query);
if (topic)
cgiSetVariable("TOPIC", topic);
if (helpfile)
cgiSetVariable("HELPFILE", helpfile);
if (helptitle)
cgiSetVariable("HELPTITLE", helptitle);
fprintf(stderr, "DEBUG: query=\"%s\", topic=\"%s\"\n",
query ? query : "(null)", topic ? topic : "(null)");
if (si)
{
help_node_t *nn; /* Parent node */
fprintf(stderr,
"DEBUG: si=%p, si->sorted=%p, cupsArrayCount(si->sorted)=%d\n", si,
si->sorted, cupsArrayCount(si->sorted));
for (i = 0, n = (help_node_t *)cupsArrayFirst(si->sorted);
n;
i ++, n = (help_node_t *)cupsArrayNext(si->sorted))
{
if (helpfile && n->anchor)
snprintf(line, sizeof(line), "#%s", n->anchor);
else if (n->anchor)
snprintf(line, sizeof(line), "/help/%s?QUERY=%s#%s", n->filename,
query ? query : "", n->anchor);
else
snprintf(line, sizeof(line), "/help/%s?QUERY=%s", n->filename,
query ? query : "");
cgiSetArray("QTEXT", i, n->text);
cgiSetArray("QLINK", i, line);
if (!helpfile && n->anchor)
{
nn = helpFindNode(hi, n->filename, NULL);
snprintf(line, sizeof(line), "/help/%s?QUERY=%s", nn->filename,
query ? query : "");
cgiSetArray("QPTEXT", i, nn->text);
cgiSetArray("QPLINK", i, line);
}
else
{
cgiSetArray("QPTEXT", i, "");
cgiSetArray("QPLINK", i, "");
}
fprintf(stderr, "DEBUG: [%d] = \"%s\" @ \"%s\"\n", i, n->text, line);
}
helpDeleteIndex(si);
}
/*
* OK, now list the bookmarks within the index...
*/
for (i = 0, section = NULL, n = (help_node_t *)cupsArrayFirst(hi->sorted);
n;
n = (help_node_t *)cupsArrayNext(hi->sorted))
{
if (n->anchor)
continue;
/*
* Add a section link as needed...
*/
if (n->section &&
(!section || strcmp(n->section, section)))
{
/*
* Add a link for this node...
*/
snprintf(line, sizeof(line), "/help/?TOPIC=%s&QUERY=%s",
cgiFormEncode(topic_data, n->section, sizeof(topic_data)),
query ? query : "");
cgiSetArray("BMLINK", i, line);
cgiSetArray("BMTEXT", i, n->section);
cgiSetArray("BMINDENT", i, "0");
i ++;
section = n->section;
}
if (!topic || strcmp(n->section, topic))
continue;
/*
* Add a link for this node...
*/
snprintf(line, sizeof(line), "/help/%s?TOPIC=%s&QUERY=%s", n->filename,
cgiFormEncode(topic_data, n->section, sizeof(topic_data)),
query ? query : "");
cgiSetArray("BMLINK", i, line);
cgiSetArray("BMTEXT", i, n->text);
cgiSetArray("BMINDENT", i, "1");
i ++;
if (helpfile && !strcmp(helpfile, n->filename))
{
help_node_t *nn; /* Pointer to sub-node */
cupsArraySave(hi->sorted);
for (nn = (help_node_t *)cupsArrayFirst(hi->sorted);
nn;
nn = (help_node_t *)cupsArrayNext(hi->sorted))
if (nn->anchor && !strcmp(helpfile, nn->filename))
{
/*
* Add a link for this node...
*/
snprintf(line, sizeof(line), "#%s", nn->anchor);
cgiSetArray("BMLINK", i, line);
cgiSetArray("BMTEXT", i, nn->text);
cgiSetArray("BMINDENT", i, "2");
i ++;
}
cupsArrayRestore(hi->sorted);
}
}
/*
* Show the search and bookmark content...
*/
if (!helpfile || !printable)
cgiCopyTemplateLang("help-header.tmpl");
else
cgiCopyTemplateLang("help-printable.tmpl");
/*
* If we are viewing a file, copy it in now...
*/
if (helpfile)
{
if ((fp = cupsFileOpen(filename, "r")) != NULL)
{
int inbody; /* Are we inside the body? */
inbody = 0;
while (cupsFileGets(fp, line, sizeof(line)))
{
if (inbody)
{
if (!_cups_strncasecmp(line, "</BODY>", 7))
break;
printf("%s\n", line);
}
else if (!_cups_strncasecmp(line, "<BODY", 5))
inbody = 1;
}
cupsFileClose(fp);
}
else
{
perror(filename);
cgiSetVariable("ERROR", cgiText(_("Unable to open help file.")));
cgiCopyTemplateLang("error.tmpl");
}
}
/*
* Send a standard trailer...
*/
if (!printable)
{
cgiCopyTemplateLang("help-trailer.tmpl");
cgiEndHTML();
}
else
puts("</BODY>\n</HTML>");
/*
* Delete the index...
*/
helpDeleteIndex(hi);
/*
* Return with no errors...
*/
return (0);
}
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();
}
