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ef416fc2 | 1 | /* |
bd7854cb | 2 | * "$Id: classes.c 5097 2006-02-10 04:06:23Z mike $" |
ef416fc2 | 3 | * |
4 | * Class status CGI for the Common UNIX Printing System (CUPS). | |
5 | * | |
6 | * Copyright 1997-2006 by Easy Software Products. | |
7 | * | |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE.txt" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
17 | * 44141 Airport View Drive, Suite 204 | |
18 | * Hollywood, Maryland 20636 USA | |
19 | * | |
20 | * Voice: (301) 373-9600 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * Contents: | |
25 | * | |
fa73b229 | 26 | * main() - Main entry for CGI. |
27 | * show_all_classes() - Show all classes... | |
28 | * show_class() - Show a single class. | |
ef416fc2 | 29 | */ |
30 | ||
31 | /* | |
32 | * Include necessary headers... | |
33 | */ | |
34 | ||
35 | #include "cgi-private.h" | |
36 | ||
37 | ||
fa73b229 | 38 | /* |
39 | * Local functions... | |
40 | */ | |
41 | ||
42 | void show_all_classes(http_t *http, const char *username); | |
43 | void show_class(http_t *http, const char *printer); | |
44 | ||
45 | ||
ef416fc2 | 46 | /* |
47 | * 'main()' - Main entry for CGI. | |
48 | */ | |
49 | ||
50 | int /* O - Exit status */ | |
51 | main(int argc, /* I - Number of command-line arguments */ | |
52 | char *argv[]) /* I - Command-line arguments */ | |
53 | { | |
fa73b229 | 54 | const char *pclass; /* Class name */ |
55 | const char *user; /* Username */ | |
ef416fc2 | 56 | http_t *http; /* Connection to the server */ |
57 | ipp_t *request, /* IPP request */ | |
58 | *response; /* IPP response */ | |
59 | ipp_attribute_t *attr; /* IPP attribute */ | |
ef416fc2 | 60 | const char *op; /* Operation to perform, if any */ |
fa73b229 | 61 | static const char *def_attrs[] = /* Attributes for default printer */ |
ef416fc2 | 62 | { |
63 | "printer-name", | |
64 | "printer-uri-supported" | |
65 | }; | |
66 | ||
67 | ||
68 | /* | |
69 | * Get any form variables... | |
70 | */ | |
71 | ||
72 | cgiInitialize(); | |
fa73b229 | 73 | |
ef416fc2 | 74 | op = cgiGetVariable("OP"); |
75 | ||
76 | /* | |
77 | * Set the web interface section... | |
78 | */ | |
79 | ||
80 | cgiSetVariable("SECTION", "classes"); | |
81 | ||
82 | /* | |
fa73b229 | 83 | * See if we are displaying a printer or all classes... |
ef416fc2 | 84 | */ |
85 | ||
fa73b229 | 86 | if (!strcmp(argv[0], "/") || strstr(argv[0], "classes.cgi")) |
87 | pclass = NULL; | |
88 | else | |
89 | pclass = argv[0]; | |
ef416fc2 | 90 | |
91 | /* | |
fa73b229 | 92 | * See who is logged in... |
ef416fc2 | 93 | */ |
94 | ||
fa73b229 | 95 | if ((user = getenv("REMOTE_USER")) == NULL) |
96 | user = "guest"; | |
ef416fc2 | 97 | |
98 | /* | |
fa73b229 | 99 | * Connect to the HTTP server... |
ef416fc2 | 100 | */ |
101 | ||
fa73b229 | 102 | http = httpConnectEncrypt(cupsServer(), ippPort(), cupsEncryption()); |
ef416fc2 | 103 | |
104 | /* | |
fa73b229 | 105 | * Get the default printer... |
ef416fc2 | 106 | */ |
107 | ||
fa73b229 | 108 | if (!op) |
ef416fc2 | 109 | { |
ef416fc2 | 110 | /* |
111 | * Get the default destination... | |
112 | */ | |
113 | ||
fa73b229 | 114 | request = ippNewRequest(CUPS_GET_DEFAULT); |
ef416fc2 | 115 | |
116 | ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, | |
117 | "requested-attributes", | |
118 | sizeof(def_attrs) / sizeof(def_attrs[0]), NULL, def_attrs); | |
119 | ||
120 | if ((response = cupsDoRequest(http, request, "/")) != NULL) | |
121 | { | |
122 | if ((attr = ippFindAttribute(response, "printer-name", IPP_TAG_NAME)) != NULL) | |
123 | cgiSetVariable("DEFAULT_NAME", attr->values[0].string.text); | |
124 | ||
125 | if ((attr = ippFindAttribute(response, "printer-uri-supported", IPP_TAG_URI)) != NULL) | |
126 | { | |
127 | char url[HTTP_MAX_URI]; /* New URL */ | |
128 | ||
129 | ||
130 | cgiSetVariable("DEFAULT_URI", | |
131 | cgiRewriteURL(attr->values[0].string.text, | |
132 | url, sizeof(url), NULL)); | |
133 | } | |
134 | ||
135 | ippDelete(response); | |
136 | } | |
137 | ||
138 | /* | |
fa73b229 | 139 | * See if we need to show a list of classes or the status of a |
140 | * single printer... | |
ef416fc2 | 141 | */ |
142 | ||
fa73b229 | 143 | if (!pclass) |
144 | show_all_classes(http, user); | |
145 | else | |
146 | show_class(http, pclass); | |
147 | } | |
148 | else if (!strcasecmp(op, "print-test-page") && pclass) | |
149 | cgiPrintTestPage(http, pclass); | |
150 | else if (!strcasecmp(op, "move-jobs") && pclass) | |
151 | cgiMoveJobs(http, pclass, 0); | |
152 | else | |
153 | { | |
154 | /* | |
155 | * Unknown/bad operation... | |
156 | */ | |
ef416fc2 | 157 | |
fa73b229 | 158 | if (pclass) |
159 | cgiStartHTML(pclass); | |
160 | else | |
161 | cgiStartHTML(cgiText(_("Classes"))); | |
ef416fc2 | 162 | |
fa73b229 | 163 | cgiCopyTemplateLang("error-op.tmpl"); |
164 | cgiEndHTML(); | |
165 | } | |
ef416fc2 | 166 | |
fa73b229 | 167 | /* |
168 | * Close the HTTP server connection... | |
169 | */ | |
ef416fc2 | 170 | |
fa73b229 | 171 | httpClose(http); |
ef416fc2 | 172 | |
fa73b229 | 173 | /* |
174 | * Return with no errors... | |
175 | */ | |
ef416fc2 | 176 | |
fa73b229 | 177 | return (0); |
178 | } | |
ef416fc2 | 179 | |
ef416fc2 | 180 | |
fa73b229 | 181 | /* |
182 | * 'show_all_classes()' - Show all classes... | |
183 | */ | |
ef416fc2 | 184 | |
fa73b229 | 185 | void |
186 | show_all_classes(http_t *http, /* I - Connection to server */ | |
187 | const char *user) /* I - Username */ | |
188 | { | |
189 | int i; /* Looping var */ | |
190 | ipp_t *request, /* IPP request */ | |
191 | *response; /* IPP response */ | |
192 | cups_array_t *classes; /* Array of class objects */ | |
193 | ipp_attribute_t *pclass; /* Class object */ | |
194 | int ascending, /* Order of classes (0 = descending) */ | |
195 | first, /* First class to show */ | |
196 | count; /* Number of classes */ | |
197 | const char *var; /* Form variable */ | |
198 | void *search; /* Search data */ | |
199 | char url[1024], /* URL for prev/next/this */ | |
200 | *urlptr, /* Position in URL */ | |
201 | *urlend; /* End of URL */ | |
ef416fc2 | 202 | |
ef416fc2 | 203 | |
fa73b229 | 204 | /* |
205 | * Show the standard header... | |
206 | */ | |
207 | ||
208 | cgiStartHTML(cgiText(_("Classes"))); | |
209 | ||
210 | /* | |
211 | * Build a CUPS_GET_CLASSES request, which requires the following | |
212 | * attributes: | |
213 | * | |
214 | * attributes-charset | |
215 | * attributes-natural-language | |
216 | * requesting-user-name | |
217 | */ | |
218 | ||
219 | request = ippNewRequest(CUPS_GET_CLASSES); | |
220 | ||
221 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, | |
222 | "requesting-user-name", NULL, user); | |
223 | ||
224 | cgiGetAttributes(request, "classes.tmpl"); | |
225 | ||
226 | /* | |
227 | * Do the request and get back a response... | |
228 | */ | |
229 | ||
230 | if ((response = cupsDoRequest(http, request, "/")) != NULL) | |
231 | { | |
ef416fc2 | 232 | /* |
fa73b229 | 233 | * Get a list of matching job objects. |
ef416fc2 | 234 | */ |
235 | ||
fa73b229 | 236 | if ((var = cgiGetVariable("QUERY")) != NULL) |
237 | search = cgiCompileSearch(var); | |
238 | else | |
239 | search = NULL; | |
240 | ||
241 | classes = cgiGetIPPObjects(response, search); | |
242 | count = cupsArrayCount(classes); | |
243 | ||
244 | if (search) | |
245 | cgiFreeSearch(search); | |
ef416fc2 | 246 | |
247 | /* | |
fa73b229 | 248 | * Figure out which classes to display... |
ef416fc2 | 249 | */ |
250 | ||
fa73b229 | 251 | if ((var = cgiGetVariable("FIRST")) != NULL) |
252 | first = atoi(var); | |
253 | else | |
254 | first = 0; | |
ef416fc2 | 255 | |
fa73b229 | 256 | if (first >= count) |
257 | first = count - CUPS_PAGE_MAX; | |
ef416fc2 | 258 | |
fa73b229 | 259 | first = (first / CUPS_PAGE_MAX) * CUPS_PAGE_MAX; |
ef416fc2 | 260 | |
fa73b229 | 261 | if (first < 0) |
262 | first = 0; | |
ef416fc2 | 263 | |
fa73b229 | 264 | sprintf(url, "%d", count); |
265 | cgiSetVariable("TOTAL", url); | |
ef416fc2 | 266 | |
fa73b229 | 267 | if ((var = cgiGetVariable("ORDER")) != NULL) |
268 | ascending = !strcasecmp(var, "asc"); | |
269 | else | |
270 | ascending = 1; | |
ef416fc2 | 271 | |
fa73b229 | 272 | if (ascending) |
273 | { | |
274 | for (i = 0, pclass = (ipp_attribute_t *)cupsArrayIndex(classes, first); | |
275 | i < CUPS_PAGE_MAX && pclass; | |
276 | i ++, pclass = (ipp_attribute_t *)cupsArrayNext(classes)) | |
277 | cgiSetIPPObjectVars(pclass, NULL, i); | |
278 | } | |
279 | else | |
280 | { | |
281 | for (i = 0, pclass = (ipp_attribute_t *)cupsArrayIndex(classes, count - first - 1); | |
282 | i < CUPS_PAGE_MAX && pclass; | |
283 | i ++, pclass = (ipp_attribute_t *)cupsArrayPrev(classes)) | |
284 | cgiSetIPPObjectVars(pclass, NULL, i); | |
285 | } | |
ef416fc2 | 286 | |
fa73b229 | 287 | /* |
288 | * Save navigation URLs... | |
289 | */ | |
ef416fc2 | 290 | |
fa73b229 | 291 | urlend = url + sizeof(url); |
ef416fc2 | 292 | |
fa73b229 | 293 | if ((var = cgiGetVariable("QUERY")) != NULL) |
294 | { | |
295 | strlcpy(url, "/classes/?QUERY=", sizeof(url)); | |
296 | urlptr = url + strlen(url); | |
ef416fc2 | 297 | |
fa73b229 | 298 | cgiFormEncode(urlptr, var, urlend - urlptr); |
299 | urlptr += strlen(urlptr); | |
ef416fc2 | 300 | |
fa73b229 | 301 | strlcpy(urlptr, "&", urlend - urlptr); |
302 | urlptr += strlen(urlptr); | |
303 | } | |
304 | else | |
305 | { | |
306 | strlcpy(url, "/classes/?", sizeof(url)); | |
307 | urlptr = url + strlen(url); | |
308 | } | |
ef416fc2 | 309 | |
fa73b229 | 310 | snprintf(urlptr, urlend - urlptr, "FIRST=%d", first); |
311 | cgiSetVariable("THISURL", url); | |
312 | ||
313 | if (first > 0) | |
314 | { | |
315 | snprintf(urlptr, urlend - urlptr, "FIRST=%d&ORDER=%s", | |
316 | first - CUPS_PAGE_MAX, ascending ? "asc" : "dec"); | |
317 | cgiSetVariable("PREVURL", url); | |
ef416fc2 | 318 | } |
fa73b229 | 319 | |
320 | if ((first + CUPS_PAGE_MAX) < count) | |
321 | { | |
322 | snprintf(urlptr, urlend - urlptr, "FIRST=%d&ORDER=%s", | |
323 | first + CUPS_PAGE_MAX, ascending ? "asc" : "dec"); | |
324 | cgiSetVariable("NEXTURL", url); | |
325 | } | |
326 | ||
ef416fc2 | 327 | /* |
fa73b229 | 328 | * Then show everything... |
ef416fc2 | 329 | */ |
330 | ||
fa73b229 | 331 | cgiCopyTemplateLang("search.tmpl"); |
ef416fc2 | 332 | |
fa73b229 | 333 | cgiCopyTemplateLang("classes-header.tmpl"); |
ef416fc2 | 334 | |
fa73b229 | 335 | if (count > 0) |
336 | cgiCopyTemplateLang("pager.tmpl"); | |
ef416fc2 | 337 | |
fa73b229 | 338 | cgiCopyTemplateLang("classes.tmpl"); |
ef416fc2 | 339 | |
fa73b229 | 340 | if (count > 0) |
341 | cgiCopyTemplateLang("pager.tmpl"); | |
ef416fc2 | 342 | |
343 | /* | |
fa73b229 | 344 | * Delete the response... |
ef416fc2 | 345 | */ |
346 | ||
bd7854cb | 347 | cupsArrayDelete(classes); |
fa73b229 | 348 | ippDelete(response); |
349 | } | |
350 | else | |
351 | { | |
352 | /* | |
353 | * Show the error... | |
354 | */ | |
ef416fc2 | 355 | |
fa73b229 | 356 | cgiShowIPPError(_("Unable to get class list:")); |
357 | } | |
ef416fc2 | 358 | |
fa73b229 | 359 | cgiEndHTML(); |
360 | } | |
ef416fc2 | 361 | |
ef416fc2 | 362 | |
fa73b229 | 363 | /* |
364 | * 'show_class()' - Show a single class. | |
365 | */ | |
ef416fc2 | 366 | |
fa73b229 | 367 | void |
368 | show_class(http_t *http, /* I - Connection to server */ | |
369 | const char *pclass) /* I - Name of class */ | |
370 | { | |
371 | ipp_t *request, /* IPP request */ | |
372 | *response; /* IPP response */ | |
373 | ipp_attribute_t *attr; /* IPP attribute */ | |
374 | char uri[HTTP_MAX_URI]; /* Printer URI */ | |
375 | char refresh[1024]; /* Refresh URL */ | |
376 | ||
377 | ||
378 | /* | |
379 | * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following | |
380 | * attributes: | |
381 | * | |
382 | * attributes-charset | |
383 | * attributes-natural-language | |
384 | * printer-uri | |
385 | */ | |
ef416fc2 | 386 | |
fa73b229 | 387 | request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES); |
ef416fc2 | 388 | |
a4d04587 | 389 | httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL, |
390 | "localhost", 0, "/classes/%s", pclass); | |
fa73b229 | 391 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, |
392 | uri); | |
ef416fc2 | 393 | |
fa73b229 | 394 | cgiGetAttributes(request, "classes.tmpl"); |
395 | ||
396 | /* | |
397 | * Do the request and get back a response... | |
398 | */ | |
399 | ||
400 | if ((response = cupsDoRequest(http, request, "/")) != NULL) | |
401 | { | |
ef416fc2 | 402 | /* |
fa73b229 | 403 | * Got the result; set the CGI variables and check the status of a |
404 | * single-queue request... | |
ef416fc2 | 405 | */ |
406 | ||
fa73b229 | 407 | cgiSetIPPVars(response, NULL, NULL, NULL, 0); |
408 | ||
409 | if (pclass && (attr = ippFindAttribute(response, "printer-state", | |
410 | IPP_TAG_ENUM)) != NULL && | |
411 | attr->values[0].integer == IPP_PRINTER_PROCESSING) | |
ef416fc2 | 412 | { |
fa73b229 | 413 | /* |
414 | * Class is processing - automatically refresh the page until we | |
415 | * are done printing... | |
416 | */ | |
ef416fc2 | 417 | |
fa73b229 | 418 | cgiFormEncode(uri, pclass, sizeof(uri)); |
419 | snprintf(refresh, sizeof(refresh), "10;/classes/%s", uri); | |
420 | cgiSetVariable("refresh_page", refresh); | |
ef416fc2 | 421 | } |
ef416fc2 | 422 | |
fa73b229 | 423 | /* |
424 | * Delete the response... | |
425 | */ | |
426 | ||
427 | ippDelete(response); | |
ef416fc2 | 428 | |
429 | /* | |
430 | * Show the standard header... | |
431 | */ | |
432 | ||
fa73b229 | 433 | cgiStartHTML(pclass); |
ef416fc2 | 434 | |
435 | /* | |
fa73b229 | 436 | * Show the class status... |
ef416fc2 | 437 | */ |
438 | ||
fa73b229 | 439 | cgiCopyTemplateLang("classes.tmpl"); |
ef416fc2 | 440 | |
fa73b229 | 441 | /* |
442 | * Show jobs for the specified class... | |
443 | */ | |
ef416fc2 | 444 | |
fa73b229 | 445 | cgiCopyTemplateLang("class-jobs-header.tmpl"); |
446 | cgiShowJobs(http, pclass); | |
447 | } | |
448 | else | |
449 | { | |
450 | /* | |
451 | * Show the IPP error... | |
452 | */ | |
ef416fc2 | 453 | |
fa73b229 | 454 | cgiStartHTML(pclass); |
455 | cgiShowIPPError(_("Unable to get class status:")); | |
456 | } | |
ef416fc2 | 457 | |
fa73b229 | 458 | cgiEndHTML(); |
ef416fc2 | 459 | } |
460 | ||
461 | ||
462 | /* | |
bd7854cb | 463 | * End of "$Id: classes.c 5097 2006-02-10 04:06:23Z mike $". |
ef416fc2 | 464 | */ |