xref: /aosp_15_r20/external/libcups/cgi-bin/classes.c (revision 5e7646d21f1134fb0638875d812ef646c12ab91e)
1*5e7646d2SAndroid Build Coastguard Worker /*
2*5e7646d2SAndroid Build Coastguard Worker  * Class status CGI for CUPS.
3*5e7646d2SAndroid Build Coastguard Worker  *
4*5e7646d2SAndroid Build Coastguard Worker  * Copyright 2007-2016 by Apple Inc.
5*5e7646d2SAndroid Build Coastguard Worker  * Copyright 1997-2006 by Easy Software Products.
6*5e7646d2SAndroid Build Coastguard Worker  *
7*5e7646d2SAndroid Build Coastguard Worker  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
8*5e7646d2SAndroid Build Coastguard Worker  */
9*5e7646d2SAndroid Build Coastguard Worker 
10*5e7646d2SAndroid Build Coastguard Worker /*
11*5e7646d2SAndroid Build Coastguard Worker  * Include necessary headers...
12*5e7646d2SAndroid Build Coastguard Worker  */
13*5e7646d2SAndroid Build Coastguard Worker 
14*5e7646d2SAndroid Build Coastguard Worker #include "cgi-private.h"
15*5e7646d2SAndroid Build Coastguard Worker 
16*5e7646d2SAndroid Build Coastguard Worker 
17*5e7646d2SAndroid Build Coastguard Worker /*
18*5e7646d2SAndroid Build Coastguard Worker  * Local functions...
19*5e7646d2SAndroid Build Coastguard Worker  */
20*5e7646d2SAndroid Build Coastguard Worker 
21*5e7646d2SAndroid Build Coastguard Worker static void	do_class_op(http_t *http, const char *printer, ipp_op_t op,
22*5e7646d2SAndroid Build Coastguard Worker 		            const char *title);
23*5e7646d2SAndroid Build Coastguard Worker static void	show_all_classes(http_t *http, const char *username);
24*5e7646d2SAndroid Build Coastguard Worker static void	show_class(http_t *http, const char *printer);
25*5e7646d2SAndroid Build Coastguard Worker 
26*5e7646d2SAndroid Build Coastguard Worker 
27*5e7646d2SAndroid Build Coastguard Worker /*
28*5e7646d2SAndroid Build Coastguard Worker  * 'main()' - Main entry for CGI.
29*5e7646d2SAndroid Build Coastguard Worker  */
30*5e7646d2SAndroid Build Coastguard Worker 
31*5e7646d2SAndroid Build Coastguard Worker int					/* O - Exit status */
main(void)32*5e7646d2SAndroid Build Coastguard Worker main(void)
33*5e7646d2SAndroid Build Coastguard Worker {
34*5e7646d2SAndroid Build Coastguard Worker   const char	*pclass;		/* Class name */
35*5e7646d2SAndroid Build Coastguard Worker   const char	*user;			/* Username */
36*5e7646d2SAndroid Build Coastguard Worker   http_t	*http;			/* Connection to the server */
37*5e7646d2SAndroid Build Coastguard Worker   ipp_t		*request,		/* IPP request */
38*5e7646d2SAndroid Build Coastguard Worker 		*response;		/* IPP response */
39*5e7646d2SAndroid Build Coastguard Worker   ipp_attribute_t *attr;		/* IPP attribute */
40*5e7646d2SAndroid Build Coastguard Worker   const char	*op;			/* Operation to perform, if any */
41*5e7646d2SAndroid Build Coastguard Worker   static const char *def_attrs[] =	/* Attributes for default printer */
42*5e7646d2SAndroid Build Coastguard Worker 		{
43*5e7646d2SAndroid Build Coastguard Worker 		  "printer-name",
44*5e7646d2SAndroid Build Coastguard Worker 		  "printer-uri-supported"
45*5e7646d2SAndroid Build Coastguard Worker 		};
46*5e7646d2SAndroid Build Coastguard Worker 
47*5e7646d2SAndroid Build Coastguard Worker 
48*5e7646d2SAndroid Build Coastguard Worker  /*
49*5e7646d2SAndroid Build Coastguard Worker   * Get any form variables...
50*5e7646d2SAndroid Build Coastguard Worker   */
51*5e7646d2SAndroid Build Coastguard Worker 
52*5e7646d2SAndroid Build Coastguard Worker   cgiInitialize();
53*5e7646d2SAndroid Build Coastguard Worker 
54*5e7646d2SAndroid Build Coastguard Worker   op = cgiGetVariable("OP");
55*5e7646d2SAndroid Build Coastguard Worker 
56*5e7646d2SAndroid Build Coastguard Worker  /*
57*5e7646d2SAndroid Build Coastguard Worker   * Set the web interface section...
58*5e7646d2SAndroid Build Coastguard Worker   */
59*5e7646d2SAndroid Build Coastguard Worker 
60*5e7646d2SAndroid Build Coastguard Worker   cgiSetVariable("SECTION", "classes");
61*5e7646d2SAndroid Build Coastguard Worker   cgiSetVariable("REFRESH_PAGE", "");
62*5e7646d2SAndroid Build Coastguard Worker 
63*5e7646d2SAndroid Build Coastguard Worker  /*
64*5e7646d2SAndroid Build Coastguard Worker   * See if we are displaying a printer or all classes...
65*5e7646d2SAndroid Build Coastguard Worker   */
66*5e7646d2SAndroid Build Coastguard Worker 
67*5e7646d2SAndroid Build Coastguard Worker   if ((pclass = getenv("PATH_INFO")) != NULL)
68*5e7646d2SAndroid Build Coastguard Worker   {
69*5e7646d2SAndroid Build Coastguard Worker     pclass ++;
70*5e7646d2SAndroid Build Coastguard Worker 
71*5e7646d2SAndroid Build Coastguard Worker     if (!*pclass)
72*5e7646d2SAndroid Build Coastguard Worker       pclass = NULL;
73*5e7646d2SAndroid Build Coastguard Worker 
74*5e7646d2SAndroid Build Coastguard Worker     if (pclass)
75*5e7646d2SAndroid Build Coastguard Worker       cgiSetVariable("PRINTER_NAME", pclass);
76*5e7646d2SAndroid Build Coastguard Worker   }
77*5e7646d2SAndroid Build Coastguard Worker 
78*5e7646d2SAndroid Build Coastguard Worker  /*
79*5e7646d2SAndroid Build Coastguard Worker   * See who is logged in...
80*5e7646d2SAndroid Build Coastguard Worker   */
81*5e7646d2SAndroid Build Coastguard Worker 
82*5e7646d2SAndroid Build Coastguard Worker   user = getenv("REMOTE_USER");
83*5e7646d2SAndroid Build Coastguard Worker 
84*5e7646d2SAndroid Build Coastguard Worker  /*
85*5e7646d2SAndroid Build Coastguard Worker   * Connect to the HTTP server...
86*5e7646d2SAndroid Build Coastguard Worker   */
87*5e7646d2SAndroid Build Coastguard Worker 
88*5e7646d2SAndroid Build Coastguard Worker   http = httpConnectEncrypt(cupsServer(), ippPort(), cupsEncryption());
89*5e7646d2SAndroid Build Coastguard Worker 
90*5e7646d2SAndroid Build Coastguard Worker  /*
91*5e7646d2SAndroid Build Coastguard Worker   * Get the default printer...
92*5e7646d2SAndroid Build Coastguard Worker   */
93*5e7646d2SAndroid Build Coastguard Worker 
94*5e7646d2SAndroid Build Coastguard Worker   if (!op || !cgiIsPOST())
95*5e7646d2SAndroid Build Coastguard Worker   {
96*5e7646d2SAndroid Build Coastguard Worker    /*
97*5e7646d2SAndroid Build Coastguard Worker     * Get the default destination...
98*5e7646d2SAndroid Build Coastguard Worker     */
99*5e7646d2SAndroid Build Coastguard Worker 
100*5e7646d2SAndroid Build Coastguard Worker     request = ippNewRequest(CUPS_GET_DEFAULT);
101*5e7646d2SAndroid Build Coastguard Worker 
102*5e7646d2SAndroid Build Coastguard Worker     ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
103*5e7646d2SAndroid Build Coastguard Worker                   "requested-attributes",
104*5e7646d2SAndroid Build Coastguard Worker 		  sizeof(def_attrs) / sizeof(def_attrs[0]), NULL, def_attrs);
105*5e7646d2SAndroid Build Coastguard Worker 
106*5e7646d2SAndroid Build Coastguard Worker     if ((response = cupsDoRequest(http, request, "/")) != NULL)
107*5e7646d2SAndroid Build Coastguard Worker     {
108*5e7646d2SAndroid Build Coastguard Worker       if ((attr = ippFindAttribute(response, "printer-name", IPP_TAG_NAME)) != NULL)
109*5e7646d2SAndroid Build Coastguard Worker         cgiSetVariable("DEFAULT_NAME", attr->values[0].string.text);
110*5e7646d2SAndroid Build Coastguard Worker 
111*5e7646d2SAndroid Build Coastguard Worker       if ((attr = ippFindAttribute(response, "printer-uri-supported", IPP_TAG_URI)) != NULL)
112*5e7646d2SAndroid Build Coastguard Worker       {
113*5e7646d2SAndroid Build Coastguard Worker 	char	url[HTTP_MAX_URI];	/* New URL */
114*5e7646d2SAndroid Build Coastguard Worker 
115*5e7646d2SAndroid Build Coastguard Worker 
116*5e7646d2SAndroid Build Coastguard Worker         cgiSetVariable("DEFAULT_URI",
117*5e7646d2SAndroid Build Coastguard Worker 	               cgiRewriteURL(attr->values[0].string.text,
118*5e7646d2SAndroid Build Coastguard Worker 		                     url, sizeof(url), NULL));
119*5e7646d2SAndroid Build Coastguard Worker       }
120*5e7646d2SAndroid Build Coastguard Worker 
121*5e7646d2SAndroid Build Coastguard Worker       ippDelete(response);
122*5e7646d2SAndroid Build Coastguard Worker     }
123*5e7646d2SAndroid Build Coastguard Worker 
124*5e7646d2SAndroid Build Coastguard Worker    /*
125*5e7646d2SAndroid Build Coastguard Worker     * See if we need to show a list of classes or the status of a
126*5e7646d2SAndroid Build Coastguard Worker     * single printer...
127*5e7646d2SAndroid Build Coastguard Worker     */
128*5e7646d2SAndroid Build Coastguard Worker 
129*5e7646d2SAndroid Build Coastguard Worker     if (!pclass)
130*5e7646d2SAndroid Build Coastguard Worker       show_all_classes(http, user);
131*5e7646d2SAndroid Build Coastguard Worker     else
132*5e7646d2SAndroid Build Coastguard Worker       show_class(http, pclass);
133*5e7646d2SAndroid Build Coastguard Worker   }
134*5e7646d2SAndroid Build Coastguard Worker   else if (pclass)
135*5e7646d2SAndroid Build Coastguard Worker   {
136*5e7646d2SAndroid Build Coastguard Worker     if (!*op)
137*5e7646d2SAndroid Build Coastguard Worker     {
138*5e7646d2SAndroid Build Coastguard Worker       const char *server_port = getenv("SERVER_PORT");
139*5e7646d2SAndroid Build Coastguard Worker 					/* Port number string */
140*5e7646d2SAndroid Build Coastguard Worker       int	port = atoi(server_port ? server_port : "0");
141*5e7646d2SAndroid Build Coastguard Worker       					/* Port number */
142*5e7646d2SAndroid Build Coastguard Worker       char	uri[1024];		/* URL */
143*5e7646d2SAndroid Build Coastguard Worker 
144*5e7646d2SAndroid Build Coastguard Worker       httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri),
145*5e7646d2SAndroid Build Coastguard Worker 		       getenv("HTTPS") ? "https" : "http", NULL,
146*5e7646d2SAndroid Build Coastguard Worker 		       getenv("SERVER_NAME"), port, "/classes/%s", pclass);
147*5e7646d2SAndroid Build Coastguard Worker 
148*5e7646d2SAndroid Build Coastguard Worker       printf("Location: %s\n\n", uri);
149*5e7646d2SAndroid Build Coastguard Worker     }
150*5e7646d2SAndroid Build Coastguard Worker     else if (!strcmp(op, "start-class"))
151*5e7646d2SAndroid Build Coastguard Worker       do_class_op(http, pclass, IPP_RESUME_PRINTER, cgiText(_("Resume Class")));
152*5e7646d2SAndroid Build Coastguard Worker     else if (!strcmp(op, "stop-class"))
153*5e7646d2SAndroid Build Coastguard Worker       do_class_op(http, pclass, IPP_PAUSE_PRINTER, cgiText(_("Pause Class")));
154*5e7646d2SAndroid Build Coastguard Worker     else if (!strcmp(op, "accept-jobs"))
155*5e7646d2SAndroid Build Coastguard Worker       do_class_op(http, pclass, CUPS_ACCEPT_JOBS, cgiText(_("Accept Jobs")));
156*5e7646d2SAndroid Build Coastguard Worker     else if (!strcmp(op, "reject-jobs"))
157*5e7646d2SAndroid Build Coastguard Worker       do_class_op(http, pclass, CUPS_REJECT_JOBS, cgiText(_("Reject Jobs")));
158*5e7646d2SAndroid Build Coastguard Worker     else if (!strcmp(op, "cancel-jobs"))
159*5e7646d2SAndroid Build Coastguard Worker       do_class_op(http, pclass, IPP_OP_CANCEL_JOBS, cgiText(_("Cancel Jobs")));
160*5e7646d2SAndroid Build Coastguard Worker     else if (!_cups_strcasecmp(op, "print-test-page"))
161*5e7646d2SAndroid Build Coastguard Worker       cgiPrintTestPage(http, pclass);
162*5e7646d2SAndroid Build Coastguard Worker     else if (!_cups_strcasecmp(op, "move-jobs"))
163*5e7646d2SAndroid Build Coastguard Worker       cgiMoveJobs(http, pclass, 0);
164*5e7646d2SAndroid Build Coastguard Worker     else
165*5e7646d2SAndroid Build Coastguard Worker     {
166*5e7646d2SAndroid Build Coastguard Worker      /*
167*5e7646d2SAndroid Build Coastguard Worker       * Unknown/bad operation...
168*5e7646d2SAndroid Build Coastguard Worker       */
169*5e7646d2SAndroid Build Coastguard Worker 
170*5e7646d2SAndroid Build Coastguard Worker       cgiStartHTML(pclass);
171*5e7646d2SAndroid Build Coastguard Worker       cgiCopyTemplateLang("error-op.tmpl");
172*5e7646d2SAndroid Build Coastguard Worker       cgiEndHTML();
173*5e7646d2SAndroid Build Coastguard Worker     }
174*5e7646d2SAndroid Build Coastguard Worker   }
175*5e7646d2SAndroid Build Coastguard Worker   else
176*5e7646d2SAndroid Build Coastguard Worker   {
177*5e7646d2SAndroid Build Coastguard Worker    /*
178*5e7646d2SAndroid Build Coastguard Worker     * Unknown/bad operation...
179*5e7646d2SAndroid Build Coastguard Worker     */
180*5e7646d2SAndroid Build Coastguard Worker 
181*5e7646d2SAndroid Build Coastguard Worker     cgiStartHTML(cgiText(_("Classes")));
182*5e7646d2SAndroid Build Coastguard Worker     cgiCopyTemplateLang("error-op.tmpl");
183*5e7646d2SAndroid Build Coastguard Worker     cgiEndHTML();
184*5e7646d2SAndroid Build Coastguard Worker   }
185*5e7646d2SAndroid Build Coastguard Worker 
186*5e7646d2SAndroid Build Coastguard Worker  /*
187*5e7646d2SAndroid Build Coastguard Worker   * Close the HTTP server connection...
188*5e7646d2SAndroid Build Coastguard Worker   */
189*5e7646d2SAndroid Build Coastguard Worker 
190*5e7646d2SAndroid Build Coastguard Worker   httpClose(http);
191*5e7646d2SAndroid Build Coastguard Worker 
192*5e7646d2SAndroid Build Coastguard Worker  /*
193*5e7646d2SAndroid Build Coastguard Worker   * Return with no errors...
194*5e7646d2SAndroid Build Coastguard Worker   */
195*5e7646d2SAndroid Build Coastguard Worker 
196*5e7646d2SAndroid Build Coastguard Worker   return (0);
197*5e7646d2SAndroid Build Coastguard Worker }
198*5e7646d2SAndroid Build Coastguard Worker 
199*5e7646d2SAndroid Build Coastguard Worker 
200*5e7646d2SAndroid Build Coastguard Worker /*
201*5e7646d2SAndroid Build Coastguard Worker  * 'do_class_op()' - Do a class operation.
202*5e7646d2SAndroid Build Coastguard Worker  */
203*5e7646d2SAndroid Build Coastguard Worker 
204*5e7646d2SAndroid Build Coastguard Worker static void
do_class_op(http_t * http,const char * printer,ipp_op_t op,const char * title)205*5e7646d2SAndroid Build Coastguard Worker do_class_op(http_t      *http,		/* I - HTTP connection */
206*5e7646d2SAndroid Build Coastguard Worker             const char	*printer,	/* I - Printer name */
207*5e7646d2SAndroid Build Coastguard Worker 	    ipp_op_t    op,		/* I - Operation to perform */
208*5e7646d2SAndroid Build Coastguard Worker 	    const char  *title)		/* I - Title of page */
209*5e7646d2SAndroid Build Coastguard Worker {
210*5e7646d2SAndroid Build Coastguard Worker   ipp_t		*request;		/* IPP request */
211*5e7646d2SAndroid Build Coastguard Worker   char		uri[HTTP_MAX_URI],	/* Printer URI */
212*5e7646d2SAndroid Build Coastguard Worker 		resource[HTTP_MAX_URI];	/* Path for request */
213*5e7646d2SAndroid Build Coastguard Worker 
214*5e7646d2SAndroid Build Coastguard Worker 
215*5e7646d2SAndroid Build Coastguard Worker  /*
216*5e7646d2SAndroid Build Coastguard Worker   * Build a printer request, which requires the following
217*5e7646d2SAndroid Build Coastguard Worker   * attributes:
218*5e7646d2SAndroid Build Coastguard Worker   *
219*5e7646d2SAndroid Build Coastguard Worker   *    attributes-charset
220*5e7646d2SAndroid Build Coastguard Worker   *    attributes-natural-language
221*5e7646d2SAndroid Build Coastguard Worker   *    printer-uri
222*5e7646d2SAndroid Build Coastguard Worker   */
223*5e7646d2SAndroid Build Coastguard Worker 
224*5e7646d2SAndroid Build Coastguard Worker   request = ippNewRequest(op);
225*5e7646d2SAndroid Build Coastguard Worker 
226*5e7646d2SAndroid Build Coastguard Worker   httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
227*5e7646d2SAndroid Build Coastguard Worker                    "localhost", 0, "/classes/%s", printer);
228*5e7646d2SAndroid Build Coastguard Worker   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri",
229*5e7646d2SAndroid Build Coastguard Worker                NULL, uri);
230*5e7646d2SAndroid Build Coastguard Worker 
231*5e7646d2SAndroid Build Coastguard Worker  /*
232*5e7646d2SAndroid Build Coastguard Worker   * Do the request and get back a response...
233*5e7646d2SAndroid Build Coastguard Worker   */
234*5e7646d2SAndroid Build Coastguard Worker 
235*5e7646d2SAndroid Build Coastguard Worker   snprintf(resource, sizeof(resource), "/classes/%s", printer);
236*5e7646d2SAndroid Build Coastguard Worker   ippDelete(cupsDoRequest(http, request, resource));
237*5e7646d2SAndroid Build Coastguard Worker 
238*5e7646d2SAndroid Build Coastguard Worker   if (cupsLastError() == IPP_NOT_AUTHORIZED)
239*5e7646d2SAndroid Build Coastguard Worker   {
240*5e7646d2SAndroid Build Coastguard Worker     puts("Status: 401\n");
241*5e7646d2SAndroid Build Coastguard Worker     exit(0);
242*5e7646d2SAndroid Build Coastguard Worker   }
243*5e7646d2SAndroid Build Coastguard Worker   else if (cupsLastError() > IPP_OK_CONFLICT)
244*5e7646d2SAndroid Build Coastguard Worker   {
245*5e7646d2SAndroid Build Coastguard Worker     cgiStartHTML(title);
246*5e7646d2SAndroid Build Coastguard Worker     cgiShowIPPError(_("Unable to do maintenance command"));
247*5e7646d2SAndroid Build Coastguard Worker   }
248*5e7646d2SAndroid Build Coastguard Worker   else
249*5e7646d2SAndroid Build Coastguard Worker   {
250*5e7646d2SAndroid Build Coastguard Worker    /*
251*5e7646d2SAndroid Build Coastguard Worker     * Redirect successful updates back to the printer page...
252*5e7646d2SAndroid Build Coastguard Worker     */
253*5e7646d2SAndroid Build Coastguard Worker 
254*5e7646d2SAndroid Build Coastguard Worker     char	url[1024],		/* Printer/class URL */
255*5e7646d2SAndroid Build Coastguard Worker 		refresh[1024];		/* Refresh URL */
256*5e7646d2SAndroid Build Coastguard Worker 
257*5e7646d2SAndroid Build Coastguard Worker 
258*5e7646d2SAndroid Build Coastguard Worker     cgiRewriteURL(uri, url, sizeof(url), NULL);
259*5e7646d2SAndroid Build Coastguard Worker     cgiFormEncode(uri, url, sizeof(uri));
260*5e7646d2SAndroid Build Coastguard Worker     snprintf(refresh, sizeof(refresh), "5;URL=%s", uri);
261*5e7646d2SAndroid Build Coastguard Worker     cgiSetVariable("refresh_page", refresh);
262*5e7646d2SAndroid Build Coastguard Worker 
263*5e7646d2SAndroid Build Coastguard Worker     cgiStartHTML(title);
264*5e7646d2SAndroid Build Coastguard Worker 
265*5e7646d2SAndroid Build Coastguard Worker     cgiSetVariable("IS_CLASS", "YES");
266*5e7646d2SAndroid Build Coastguard Worker 
267*5e7646d2SAndroid Build Coastguard Worker     if (op == IPP_PAUSE_PRINTER)
268*5e7646d2SAndroid Build Coastguard Worker       cgiCopyTemplateLang("printer-stop.tmpl");
269*5e7646d2SAndroid Build Coastguard Worker     else if (op == IPP_RESUME_PRINTER)
270*5e7646d2SAndroid Build Coastguard Worker       cgiCopyTemplateLang("printer-start.tmpl");
271*5e7646d2SAndroid Build Coastguard Worker     else if (op == CUPS_ACCEPT_JOBS)
272*5e7646d2SAndroid Build Coastguard Worker       cgiCopyTemplateLang("printer-accept.tmpl");
273*5e7646d2SAndroid Build Coastguard Worker     else if (op == CUPS_REJECT_JOBS)
274*5e7646d2SAndroid Build Coastguard Worker       cgiCopyTemplateLang("printer-reject.tmpl");
275*5e7646d2SAndroid Build Coastguard Worker     else if (op == IPP_OP_CANCEL_JOBS)
276*5e7646d2SAndroid Build Coastguard Worker       cgiCopyTemplateLang("printer-cancel-jobs.tmpl");
277*5e7646d2SAndroid Build Coastguard Worker   }
278*5e7646d2SAndroid Build Coastguard Worker 
279*5e7646d2SAndroid Build Coastguard Worker   cgiEndHTML();
280*5e7646d2SAndroid Build Coastguard Worker }
281*5e7646d2SAndroid Build Coastguard Worker 
282*5e7646d2SAndroid Build Coastguard Worker 
283*5e7646d2SAndroid Build Coastguard Worker /*
284*5e7646d2SAndroid Build Coastguard Worker  * 'show_all_classes()' - Show all classes...
285*5e7646d2SAndroid Build Coastguard Worker  */
286*5e7646d2SAndroid Build Coastguard Worker 
287*5e7646d2SAndroid Build Coastguard Worker static void
show_all_classes(http_t * http,const char * user)288*5e7646d2SAndroid Build Coastguard Worker show_all_classes(http_t     *http,	/* I - Connection to server */
289*5e7646d2SAndroid Build Coastguard Worker                  const char *user)	/* I - Username */
290*5e7646d2SAndroid Build Coastguard Worker {
291*5e7646d2SAndroid Build Coastguard Worker   int			i;		/* Looping var */
292*5e7646d2SAndroid Build Coastguard Worker   ipp_t			*request,	/* IPP request */
293*5e7646d2SAndroid Build Coastguard Worker 			*response;	/* IPP response */
294*5e7646d2SAndroid Build Coastguard Worker   cups_array_t		*classes;	/* Array of class objects */
295*5e7646d2SAndroid Build Coastguard Worker   ipp_attribute_t	*pclass;	/* Class object */
296*5e7646d2SAndroid Build Coastguard Worker   int			first,		/* First class to show */
297*5e7646d2SAndroid Build Coastguard Worker 			count;		/* Number of classes */
298*5e7646d2SAndroid Build Coastguard Worker   const char		*var;		/* Form variable */
299*5e7646d2SAndroid Build Coastguard Worker   void			*search;	/* Search data */
300*5e7646d2SAndroid Build Coastguard Worker   char			val[1024];	/* Form variable */
301*5e7646d2SAndroid Build Coastguard Worker 
302*5e7646d2SAndroid Build Coastguard Worker 
303*5e7646d2SAndroid Build Coastguard Worker  /*
304*5e7646d2SAndroid Build Coastguard Worker   * Show the standard header...
305*5e7646d2SAndroid Build Coastguard Worker   */
306*5e7646d2SAndroid Build Coastguard Worker 
307*5e7646d2SAndroid Build Coastguard Worker   cgiStartHTML(cgiText(_("Classes")));
308*5e7646d2SAndroid Build Coastguard Worker 
309*5e7646d2SAndroid Build Coastguard Worker  /*
310*5e7646d2SAndroid Build Coastguard Worker   * Build a CUPS_GET_CLASSES request, which requires the following
311*5e7646d2SAndroid Build Coastguard Worker   * attributes:
312*5e7646d2SAndroid Build Coastguard Worker   *
313*5e7646d2SAndroid Build Coastguard Worker   *    attributes-charset
314*5e7646d2SAndroid Build Coastguard Worker   *    attributes-natural-language
315*5e7646d2SAndroid Build Coastguard Worker   *    requesting-user-name
316*5e7646d2SAndroid Build Coastguard Worker   */
317*5e7646d2SAndroid Build Coastguard Worker 
318*5e7646d2SAndroid Build Coastguard Worker   request = ippNewRequest(CUPS_GET_CLASSES);
319*5e7646d2SAndroid Build Coastguard Worker 
320*5e7646d2SAndroid Build Coastguard Worker   if (user)
321*5e7646d2SAndroid Build Coastguard Worker     ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
322*5e7646d2SAndroid Build Coastguard Worker         	 "requesting-user-name", NULL, user);
323*5e7646d2SAndroid Build Coastguard Worker 
324*5e7646d2SAndroid Build Coastguard Worker   cgiGetAttributes(request, "classes.tmpl");
325*5e7646d2SAndroid Build Coastguard Worker 
326*5e7646d2SAndroid Build Coastguard Worker  /*
327*5e7646d2SAndroid Build Coastguard Worker   * Do the request and get back a response...
328*5e7646d2SAndroid Build Coastguard Worker   */
329*5e7646d2SAndroid Build Coastguard Worker 
330*5e7646d2SAndroid Build Coastguard Worker   if ((response = cupsDoRequest(http, request, "/")) != NULL)
331*5e7646d2SAndroid Build Coastguard Worker   {
332*5e7646d2SAndroid Build Coastguard Worker    /*
333*5e7646d2SAndroid Build Coastguard Worker     * Get a list of matching job objects.
334*5e7646d2SAndroid Build Coastguard Worker     */
335*5e7646d2SAndroid Build Coastguard Worker 
336*5e7646d2SAndroid Build Coastguard Worker     if ((var = cgiGetVariable("QUERY")) != NULL &&
337*5e7646d2SAndroid Build Coastguard Worker         !cgiGetVariable("CLEAR"))
338*5e7646d2SAndroid Build Coastguard Worker       search = cgiCompileSearch(var);
339*5e7646d2SAndroid Build Coastguard Worker     else
340*5e7646d2SAndroid Build Coastguard Worker       search = NULL;
341*5e7646d2SAndroid Build Coastguard Worker 
342*5e7646d2SAndroid Build Coastguard Worker     classes = cgiGetIPPObjects(response, search);
343*5e7646d2SAndroid Build Coastguard Worker     count   = cupsArrayCount(classes);
344*5e7646d2SAndroid Build Coastguard Worker 
345*5e7646d2SAndroid Build Coastguard Worker     if (search)
346*5e7646d2SAndroid Build Coastguard Worker       cgiFreeSearch(search);
347*5e7646d2SAndroid Build Coastguard Worker 
348*5e7646d2SAndroid Build Coastguard Worker    /*
349*5e7646d2SAndroid Build Coastguard Worker     * Figure out which classes to display...
350*5e7646d2SAndroid Build Coastguard Worker     */
351*5e7646d2SAndroid Build Coastguard Worker 
352*5e7646d2SAndroid Build Coastguard Worker     if ((var = cgiGetVariable("FIRST")) != NULL)
353*5e7646d2SAndroid Build Coastguard Worker       first = atoi(var);
354*5e7646d2SAndroid Build Coastguard Worker     else
355*5e7646d2SAndroid Build Coastguard Worker       first = 0;
356*5e7646d2SAndroid Build Coastguard Worker 
357*5e7646d2SAndroid Build Coastguard Worker     if (first >= count)
358*5e7646d2SAndroid Build Coastguard Worker       first = count - CUPS_PAGE_MAX;
359*5e7646d2SAndroid Build Coastguard Worker 
360*5e7646d2SAndroid Build Coastguard Worker     first = (first / CUPS_PAGE_MAX) * CUPS_PAGE_MAX;
361*5e7646d2SAndroid Build Coastguard Worker 
362*5e7646d2SAndroid Build Coastguard Worker     if (first < 0)
363*5e7646d2SAndroid Build Coastguard Worker       first = 0;
364*5e7646d2SAndroid Build Coastguard Worker 
365*5e7646d2SAndroid Build Coastguard Worker     snprintf(val, sizeof(val), "%d", count);
366*5e7646d2SAndroid Build Coastguard Worker     cgiSetVariable("TOTAL", val);
367*5e7646d2SAndroid Build Coastguard Worker 
368*5e7646d2SAndroid Build Coastguard Worker     for (i = 0, pclass = (ipp_attribute_t *)cupsArrayIndex(classes, first);
369*5e7646d2SAndroid Build Coastguard Worker 	 i < CUPS_PAGE_MAX && pclass;
370*5e7646d2SAndroid Build Coastguard Worker 	 i ++, pclass = (ipp_attribute_t *)cupsArrayNext(classes))
371*5e7646d2SAndroid Build Coastguard Worker       cgiSetIPPObjectVars(pclass, NULL, i);
372*5e7646d2SAndroid Build Coastguard Worker 
373*5e7646d2SAndroid Build Coastguard Worker    /*
374*5e7646d2SAndroid Build Coastguard Worker     * Save navigation URLs...
375*5e7646d2SAndroid Build Coastguard Worker     */
376*5e7646d2SAndroid Build Coastguard Worker 
377*5e7646d2SAndroid Build Coastguard Worker     cgiSetVariable("THISURL", "/classes/");
378*5e7646d2SAndroid Build Coastguard Worker 
379*5e7646d2SAndroid Build Coastguard Worker     if (first > 0)
380*5e7646d2SAndroid Build Coastguard Worker     {
381*5e7646d2SAndroid Build Coastguard Worker       snprintf(val, sizeof(val), "%d", first - CUPS_PAGE_MAX);
382*5e7646d2SAndroid Build Coastguard Worker       cgiSetVariable("PREV", val);
383*5e7646d2SAndroid Build Coastguard Worker     }
384*5e7646d2SAndroid Build Coastguard Worker 
385*5e7646d2SAndroid Build Coastguard Worker     if ((first + CUPS_PAGE_MAX) < count)
386*5e7646d2SAndroid Build Coastguard Worker     {
387*5e7646d2SAndroid Build Coastguard Worker       snprintf(val, sizeof(val), "%d", first + CUPS_PAGE_MAX);
388*5e7646d2SAndroid Build Coastguard Worker       cgiSetVariable("NEXT", val);
389*5e7646d2SAndroid Build Coastguard Worker     }
390*5e7646d2SAndroid Build Coastguard Worker 
391*5e7646d2SAndroid Build Coastguard Worker     if (count > CUPS_PAGE_MAX)
392*5e7646d2SAndroid Build Coastguard Worker     {
393*5e7646d2SAndroid Build Coastguard Worker       snprintf(val, sizeof(val), "%d", CUPS_PAGE_MAX * (count / CUPS_PAGE_MAX));
394*5e7646d2SAndroid Build Coastguard Worker       cgiSetVariable("LAST", val);
395*5e7646d2SAndroid Build Coastguard Worker     }
396*5e7646d2SAndroid Build Coastguard Worker 
397*5e7646d2SAndroid Build Coastguard Worker    /*
398*5e7646d2SAndroid Build Coastguard Worker     * Then show everything...
399*5e7646d2SAndroid Build Coastguard Worker     */
400*5e7646d2SAndroid Build Coastguard Worker 
401*5e7646d2SAndroid Build Coastguard Worker     cgiCopyTemplateLang("search.tmpl");
402*5e7646d2SAndroid Build Coastguard Worker 
403*5e7646d2SAndroid Build Coastguard Worker     cgiCopyTemplateLang("classes-header.tmpl");
404*5e7646d2SAndroid Build Coastguard Worker 
405*5e7646d2SAndroid Build Coastguard Worker     if (count > CUPS_PAGE_MAX)
406*5e7646d2SAndroid Build Coastguard Worker       cgiCopyTemplateLang("pager.tmpl");
407*5e7646d2SAndroid Build Coastguard Worker 
408*5e7646d2SAndroid Build Coastguard Worker     cgiCopyTemplateLang("classes.tmpl");
409*5e7646d2SAndroid Build Coastguard Worker 
410*5e7646d2SAndroid Build Coastguard Worker     if (count > CUPS_PAGE_MAX)
411*5e7646d2SAndroid Build Coastguard Worker       cgiCopyTemplateLang("pager.tmpl");
412*5e7646d2SAndroid Build Coastguard Worker 
413*5e7646d2SAndroid Build Coastguard Worker    /*
414*5e7646d2SAndroid Build Coastguard Worker     * Delete the response...
415*5e7646d2SAndroid Build Coastguard Worker     */
416*5e7646d2SAndroid Build Coastguard Worker 
417*5e7646d2SAndroid Build Coastguard Worker     cupsArrayDelete(classes);
418*5e7646d2SAndroid Build Coastguard Worker     ippDelete(response);
419*5e7646d2SAndroid Build Coastguard Worker   }
420*5e7646d2SAndroid Build Coastguard Worker   else
421*5e7646d2SAndroid Build Coastguard Worker   {
422*5e7646d2SAndroid Build Coastguard Worker    /*
423*5e7646d2SAndroid Build Coastguard Worker     * Show the error...
424*5e7646d2SAndroid Build Coastguard Worker     */
425*5e7646d2SAndroid Build Coastguard Worker 
426*5e7646d2SAndroid Build Coastguard Worker     cgiShowIPPError(_("Unable to get class list"));
427*5e7646d2SAndroid Build Coastguard Worker   }
428*5e7646d2SAndroid Build Coastguard Worker 
429*5e7646d2SAndroid Build Coastguard Worker    cgiEndHTML();
430*5e7646d2SAndroid Build Coastguard Worker }
431*5e7646d2SAndroid Build Coastguard Worker 
432*5e7646d2SAndroid Build Coastguard Worker 
433*5e7646d2SAndroid Build Coastguard Worker /*
434*5e7646d2SAndroid Build Coastguard Worker  * 'show_class()' - Show a single class.
435*5e7646d2SAndroid Build Coastguard Worker  */
436*5e7646d2SAndroid Build Coastguard Worker 
437*5e7646d2SAndroid Build Coastguard Worker static void
show_class(http_t * http,const char * pclass)438*5e7646d2SAndroid Build Coastguard Worker show_class(http_t     *http,		/* I - Connection to server */
439*5e7646d2SAndroid Build Coastguard Worker            const char *pclass)		/* I - Name of class */
440*5e7646d2SAndroid Build Coastguard Worker {
441*5e7646d2SAndroid Build Coastguard Worker   ipp_t		*request,		/* IPP request */
442*5e7646d2SAndroid Build Coastguard Worker 		*response;		/* IPP response */
443*5e7646d2SAndroid Build Coastguard Worker   ipp_attribute_t *attr;		/* IPP attribute */
444*5e7646d2SAndroid Build Coastguard Worker   char		uri[HTTP_MAX_URI];	/* Printer URI */
445*5e7646d2SAndroid Build Coastguard Worker   char		refresh[1024];		/* Refresh URL */
446*5e7646d2SAndroid Build Coastguard Worker 
447*5e7646d2SAndroid Build Coastguard Worker 
448*5e7646d2SAndroid Build Coastguard Worker  /*
449*5e7646d2SAndroid Build Coastguard Worker   * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following
450*5e7646d2SAndroid Build Coastguard Worker   * attributes:
451*5e7646d2SAndroid Build Coastguard Worker   *
452*5e7646d2SAndroid Build Coastguard Worker   *    attributes-charset
453*5e7646d2SAndroid Build Coastguard Worker   *    attributes-natural-language
454*5e7646d2SAndroid Build Coastguard Worker   *    printer-uri
455*5e7646d2SAndroid Build Coastguard Worker   */
456*5e7646d2SAndroid Build Coastguard Worker 
457*5e7646d2SAndroid Build Coastguard Worker   request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES);
458*5e7646d2SAndroid Build Coastguard Worker 
459*5e7646d2SAndroid Build Coastguard Worker   httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL,
460*5e7646d2SAndroid Build Coastguard Worker                    "localhost", 0, "/classes/%s", pclass);
461*5e7646d2SAndroid Build Coastguard Worker   ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL,
462*5e7646d2SAndroid Build Coastguard Worker                uri);
463*5e7646d2SAndroid Build Coastguard Worker 
464*5e7646d2SAndroid Build Coastguard Worker   cgiGetAttributes(request, "class.tmpl");
465*5e7646d2SAndroid Build Coastguard Worker 
466*5e7646d2SAndroid Build Coastguard Worker  /*
467*5e7646d2SAndroid Build Coastguard Worker   * Do the request and get back a response...
468*5e7646d2SAndroid Build Coastguard Worker   */
469*5e7646d2SAndroid Build Coastguard Worker 
470*5e7646d2SAndroid Build Coastguard Worker   if ((response = cupsDoRequest(http, request, "/")) != NULL)
471*5e7646d2SAndroid Build Coastguard Worker   {
472*5e7646d2SAndroid Build Coastguard Worker    /*
473*5e7646d2SAndroid Build Coastguard Worker     * Got the result; set the CGI variables and check the status of a
474*5e7646d2SAndroid Build Coastguard Worker     * single-queue request...
475*5e7646d2SAndroid Build Coastguard Worker     */
476*5e7646d2SAndroid Build Coastguard Worker 
477*5e7646d2SAndroid Build Coastguard Worker     cgiSetIPPVars(response, NULL, NULL, NULL, 0);
478*5e7646d2SAndroid Build Coastguard Worker 
479*5e7646d2SAndroid Build Coastguard Worker     if (pclass && (attr = ippFindAttribute(response, "printer-state",
480*5e7646d2SAndroid Build Coastguard Worker                                             IPP_TAG_ENUM)) != NULL &&
481*5e7646d2SAndroid Build Coastguard Worker         attr->values[0].integer == IPP_PRINTER_PROCESSING)
482*5e7646d2SAndroid Build Coastguard Worker     {
483*5e7646d2SAndroid Build Coastguard Worker      /*
484*5e7646d2SAndroid Build Coastguard Worker       * Class is processing - automatically refresh the page until we
485*5e7646d2SAndroid Build Coastguard Worker       * are done printing...
486*5e7646d2SAndroid Build Coastguard Worker       */
487*5e7646d2SAndroid Build Coastguard Worker 
488*5e7646d2SAndroid Build Coastguard Worker       cgiFormEncode(uri, pclass, sizeof(uri));
489*5e7646d2SAndroid Build Coastguard Worker       snprintf(refresh, sizeof(refresh), "10;URL=/classes/%s", uri);
490*5e7646d2SAndroid Build Coastguard Worker       cgiSetVariable("refresh_page", refresh);
491*5e7646d2SAndroid Build Coastguard Worker     }
492*5e7646d2SAndroid Build Coastguard Worker 
493*5e7646d2SAndroid Build Coastguard Worker    /*
494*5e7646d2SAndroid Build Coastguard Worker     * Delete the response...
495*5e7646d2SAndroid Build Coastguard Worker     */
496*5e7646d2SAndroid Build Coastguard Worker 
497*5e7646d2SAndroid Build Coastguard Worker     ippDelete(response);
498*5e7646d2SAndroid Build Coastguard Worker 
499*5e7646d2SAndroid Build Coastguard Worker    /*
500*5e7646d2SAndroid Build Coastguard Worker     * Show the standard header...
501*5e7646d2SAndroid Build Coastguard Worker     */
502*5e7646d2SAndroid Build Coastguard Worker 
503*5e7646d2SAndroid Build Coastguard Worker     cgiStartHTML(pclass);
504*5e7646d2SAndroid Build Coastguard Worker 
505*5e7646d2SAndroid Build Coastguard Worker    /*
506*5e7646d2SAndroid Build Coastguard Worker     * Show the class status...
507*5e7646d2SAndroid Build Coastguard Worker     */
508*5e7646d2SAndroid Build Coastguard Worker 
509*5e7646d2SAndroid Build Coastguard Worker     cgiCopyTemplateLang("class.tmpl");
510*5e7646d2SAndroid Build Coastguard Worker 
511*5e7646d2SAndroid Build Coastguard Worker    /*
512*5e7646d2SAndroid Build Coastguard Worker     * Show jobs for the specified class...
513*5e7646d2SAndroid Build Coastguard Worker     */
514*5e7646d2SAndroid Build Coastguard Worker 
515*5e7646d2SAndroid Build Coastguard Worker     cgiCopyTemplateLang("class-jobs-header.tmpl");
516*5e7646d2SAndroid Build Coastguard Worker     cgiShowJobs(http, pclass);
517*5e7646d2SAndroid Build Coastguard Worker   }
518*5e7646d2SAndroid Build Coastguard Worker   else
519*5e7646d2SAndroid Build Coastguard Worker   {
520*5e7646d2SAndroid Build Coastguard Worker    /*
521*5e7646d2SAndroid Build Coastguard Worker     * Show the IPP error...
522*5e7646d2SAndroid Build Coastguard Worker     */
523*5e7646d2SAndroid Build Coastguard Worker 
524*5e7646d2SAndroid Build Coastguard Worker     cgiStartHTML(pclass);
525*5e7646d2SAndroid Build Coastguard Worker     cgiShowIPPError(_("Unable to get class status"));
526*5e7646d2SAndroid Build Coastguard Worker   }
527*5e7646d2SAndroid Build Coastguard Worker 
528*5e7646d2SAndroid Build Coastguard Worker    cgiEndHTML();
529*5e7646d2SAndroid Build Coastguard Worker }
530