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ef416fc2 | 1 | /* |
bd7854cb | 2 | * "$Id: printers.c 5104 2006-02-15 03:21:04Z mike $" |
ef416fc2 | 3 | * |
4 | * Printer 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_printers() - Show all printers... | |
28 | * show_printer() - Show a single printer. | |
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_printers(http_t *http, const char *username); | |
43 | void show_printer(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 *printer; /* Printer 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 */ |
ef416fc2 | 61 | static const char *def_attrs[] = /* Attributes for default printer */ |
62 | { | |
63 | "printer-name", | |
64 | "printer-uri-supported" | |
65 | }; | |
66 | ||
67 | ||
68 | /* | |
69 | * Get any form variables... | |
70 | */ | |
71 | ||
72 | cgiInitialize(); | |
ef416fc2 | 73 | |
fa73b229 | 74 | op = cgiGetVariable("OP"); |
ef416fc2 | 75 | |
76 | /* | |
77 | * Set the web interface section... | |
78 | */ | |
79 | ||
80 | cgiSetVariable("SECTION", "printers"); | |
81 | ||
82 | /* | |
fa73b229 | 83 | * See if we are displaying a printer or all printers... |
ef416fc2 | 84 | */ |
85 | ||
fa73b229 | 86 | if (!strcmp(argv[0], "/") || strstr(argv[0], "printers.cgi")) |
87 | printer = NULL; | |
88 | else | |
89 | printer = 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 | |
fa73b229 | 104 | /* |
105 | * Get the default printer... | |
106 | */ | |
ef416fc2 | 107 | |
fa73b229 | 108 | if (!op) |
ef416fc2 | 109 | { |
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 printers or the status of a |
140 | * single printer... | |
ef416fc2 | 141 | */ |
142 | ||
fa73b229 | 143 | if (!printer) |
144 | show_all_printers(http, user); | |
145 | else | |
146 | show_printer(http, printer); | |
147 | } | |
148 | else if (!strcasecmp(op, "print-test-page") && printer) | |
149 | cgiPrintTestPage(http, printer); | |
150 | else if (!strcasecmp(op, "move-jobs") && printer) | |
151 | cgiMoveJobs(http, printer, 0); | |
152 | else | |
153 | { | |
154 | /* | |
155 | * Unknown/bad operation... | |
156 | */ | |
ef416fc2 | 157 | |
fa73b229 | 158 | if (printer) |
159 | cgiStartHTML(printer); | |
160 | else | |
161 | cgiStartHTML(cgiText(_("Printers"))); | |
ef416fc2 | 162 | |
fa73b229 | 163 | cgiCopyTemplateLang("error-op.tmpl"); |
164 | cgiEndHTML(); | |
165 | } | |
ef416fc2 | 166 | |
fa73b229 | 167 | /* |
168 | * Close the HTTP server connection... | |
169 | */ | |
170 | ||
171 | httpClose(http); | |
172 | ||
173 | /* | |
174 | * Return with no errors... | |
175 | */ | |
ef416fc2 | 176 | |
fa73b229 | 177 | return (0); |
178 | } | |
ef416fc2 | 179 | |
ef416fc2 | 180 | |
fa73b229 | 181 | /* |
182 | * 'show_all_printers()' - Show all printers... | |
183 | */ | |
ef416fc2 | 184 | |
fa73b229 | 185 | void |
186 | show_all_printers(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 *printers; /* Array of printer objects */ | |
193 | ipp_attribute_t *printer; /* Printer object */ | |
194 | int ascending, /* Order of printers (0 = descending) */ | |
195 | first, /* First printer to show */ | |
196 | count; /* Number of printers */ | |
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 | |
bd7854cb | 204 | fprintf(stderr, "DEBUG: show_all_printers(http=%p, user=\"%s\")\n", |
205 | http, user); | |
206 | ||
fa73b229 | 207 | /* |
208 | * Show the standard header... | |
209 | */ | |
ef416fc2 | 210 | |
fa73b229 | 211 | cgiStartHTML(cgiText(_("Printers"))); |
ef416fc2 | 212 | |
fa73b229 | 213 | /* |
214 | * Build a CUPS_GET_PRINTERS request, which requires the following | |
215 | * attributes: | |
216 | * | |
217 | * attributes-charset | |
218 | * attributes-natural-language | |
219 | * printer-type | |
220 | * printer-type-mask | |
221 | * requesting-user-name | |
222 | */ | |
ef416fc2 | 223 | |
fa73b229 | 224 | request = ippNewRequest(CUPS_GET_PRINTERS); |
ef416fc2 | 225 | |
fa73b229 | 226 | ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_ENUM, |
227 | "printer-type", 0); | |
228 | ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_ENUM, | |
229 | "printer-type-mask", CUPS_PRINTER_CLASS); | |
ef416fc2 | 230 | |
fa73b229 | 231 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, |
232 | "requesting-user-name", NULL, user); | |
ef416fc2 | 233 | |
fa73b229 | 234 | cgiGetAttributes(request, "printers.tmpl"); |
ef416fc2 | 235 | |
fa73b229 | 236 | /* |
237 | * Do the request and get back a response... | |
238 | */ | |
239 | ||
240 | if ((response = cupsDoRequest(http, request, "/")) != NULL) | |
241 | { | |
ef416fc2 | 242 | /* |
fa73b229 | 243 | * Get a list of matching job objects. |
ef416fc2 | 244 | */ |
245 | ||
fa73b229 | 246 | if ((var = cgiGetVariable("QUERY")) != NULL) |
247 | search = cgiCompileSearch(var); | |
248 | else | |
249 | search = NULL; | |
ef416fc2 | 250 | |
fa73b229 | 251 | printers = cgiGetIPPObjects(response, search); |
252 | count = cupsArrayCount(printers); | |
ef416fc2 | 253 | |
fa73b229 | 254 | if (search) |
255 | cgiFreeSearch(search); | |
ef416fc2 | 256 | |
257 | /* | |
fa73b229 | 258 | * Figure out which printers to display... |
ef416fc2 | 259 | */ |
260 | ||
fa73b229 | 261 | if ((var = cgiGetVariable("FIRST")) != NULL) |
262 | first = atoi(var); | |
263 | else | |
264 | first = 0; | |
ef416fc2 | 265 | |
fa73b229 | 266 | if (first >= count) |
267 | first = count - CUPS_PAGE_MAX; | |
ef416fc2 | 268 | |
fa73b229 | 269 | first = (first / CUPS_PAGE_MAX) * CUPS_PAGE_MAX; |
ef416fc2 | 270 | |
fa73b229 | 271 | if (first < 0) |
272 | first = 0; | |
ef416fc2 | 273 | |
fa73b229 | 274 | sprintf(url, "%d", count); |
275 | cgiSetVariable("TOTAL", url); | |
ef416fc2 | 276 | |
fa73b229 | 277 | if ((var = cgiGetVariable("ORDER")) != NULL) |
278 | ascending = !strcasecmp(var, "asc"); | |
279 | else | |
280 | ascending = 1; | |
ef416fc2 | 281 | |
fa73b229 | 282 | if (ascending) |
283 | { | |
284 | for (i = 0, printer = (ipp_attribute_t *)cupsArrayIndex(printers, first); | |
285 | i < CUPS_PAGE_MAX && printer; | |
286 | i ++, printer = (ipp_attribute_t *)cupsArrayNext(printers)) | |
287 | cgiSetIPPObjectVars(printer, NULL, i); | |
288 | } | |
289 | else | |
290 | { | |
291 | for (i = 0, printer = (ipp_attribute_t *)cupsArrayIndex(printers, count - first - 1); | |
292 | i < CUPS_PAGE_MAX && printer; | |
293 | i ++, printer = (ipp_attribute_t *)cupsArrayPrev(printers)) | |
294 | cgiSetIPPObjectVars(printer, NULL, i); | |
295 | } | |
ef416fc2 | 296 | |
fa73b229 | 297 | /* |
298 | * Save navigation URLs... | |
299 | */ | |
ef416fc2 | 300 | |
fa73b229 | 301 | urlend = url + sizeof(url); |
ef416fc2 | 302 | |
fa73b229 | 303 | if ((var = cgiGetVariable("QUERY")) != NULL) |
304 | { | |
305 | strlcpy(url, "/printers/?QUERY=", sizeof(url)); | |
306 | urlptr = url + strlen(url); | |
ef416fc2 | 307 | |
fa73b229 | 308 | cgiFormEncode(urlptr, var, urlend - urlptr); |
309 | urlptr += strlen(urlptr); | |
ef416fc2 | 310 | |
fa73b229 | 311 | strlcpy(urlptr, "&", urlend - urlptr); |
312 | urlptr += strlen(urlptr); | |
313 | } | |
314 | else | |
315 | { | |
316 | strlcpy(url, "/printers/?", sizeof(url)); | |
317 | urlptr = url + strlen(url); | |
318 | } | |
ef416fc2 | 319 | |
fa73b229 | 320 | snprintf(urlptr, urlend - urlptr, "FIRST=%d", first); |
321 | cgiSetVariable("THISURL", url); | |
322 | ||
323 | if (first > 0) | |
324 | { | |
325 | snprintf(urlptr, urlend - urlptr, "FIRST=%d&ORDER=%s", | |
326 | first - CUPS_PAGE_MAX, ascending ? "asc" : "dec"); | |
327 | cgiSetVariable("PREVURL", url); | |
ef416fc2 | 328 | } |
fa73b229 | 329 | |
330 | if ((first + CUPS_PAGE_MAX) < count) | |
331 | { | |
332 | snprintf(urlptr, urlend - urlptr, "FIRST=%d&ORDER=%s", | |
333 | first + CUPS_PAGE_MAX, ascending ? "asc" : "dec"); | |
334 | cgiSetVariable("NEXTURL", url); | |
335 | } | |
336 | ||
ef416fc2 | 337 | /* |
fa73b229 | 338 | * Then show everything... |
ef416fc2 | 339 | */ |
340 | ||
fa73b229 | 341 | cgiCopyTemplateLang("search.tmpl"); |
ef416fc2 | 342 | |
fa73b229 | 343 | cgiCopyTemplateLang("printers-header.tmpl"); |
ef416fc2 | 344 | |
fa73b229 | 345 | if (count > 0) |
346 | cgiCopyTemplateLang("pager.tmpl"); | |
ef416fc2 | 347 | |
fa73b229 | 348 | cgiCopyTemplateLang("printers.tmpl"); |
ef416fc2 | 349 | |
fa73b229 | 350 | if (count > 0) |
351 | cgiCopyTemplateLang("pager.tmpl"); | |
ef416fc2 | 352 | |
353 | /* | |
fa73b229 | 354 | * Delete the response... |
ef416fc2 | 355 | */ |
356 | ||
bd7854cb | 357 | cupsArrayDelete(printers); |
fa73b229 | 358 | ippDelete(response); |
359 | } | |
360 | else | |
361 | { | |
362 | /* | |
363 | * Show the error... | |
364 | */ | |
ef416fc2 | 365 | |
fa73b229 | 366 | cgiShowIPPError(_("Unable to get printer list:")); |
367 | } | |
ef416fc2 | 368 | |
fa73b229 | 369 | cgiEndHTML(); |
370 | } | |
ef416fc2 | 371 | |
ef416fc2 | 372 | |
fa73b229 | 373 | /* |
374 | * 'show_printer()' - Show a single printer. | |
375 | */ | |
ef416fc2 | 376 | |
fa73b229 | 377 | void |
378 | show_printer(http_t *http, /* I - Connection to server */ | |
379 | const char *printer) /* I - Name of printer */ | |
380 | { | |
381 | ipp_t *request, /* IPP request */ | |
382 | *response; /* IPP response */ | |
383 | ipp_attribute_t *attr; /* IPP attribute */ | |
384 | char uri[HTTP_MAX_URI]; /* Printer URI */ | |
385 | char refresh[1024]; /* Refresh URL */ | |
ef416fc2 | 386 | |
ef416fc2 | 387 | |
bd7854cb | 388 | fprintf(stderr, "DEBUG: show_printer(http=%p, printer=\"%s\")\n", |
389 | http, printer); | |
390 | ||
fa73b229 | 391 | /* |
392 | * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following | |
393 | * attributes: | |
394 | * | |
395 | * attributes-charset | |
396 | * attributes-natural-language | |
397 | * printer-uri | |
398 | */ | |
399 | ||
400 | request = ippNewRequest(IPP_GET_PRINTER_ATTRIBUTES); | |
401 | ||
a4d04587 | 402 | httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL, |
403 | "localhost", 0, "/printers/%s", printer); | |
fa73b229 | 404 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, |
405 | uri); | |
406 | ||
407 | cgiGetAttributes(request, "printers.tmpl"); | |
408 | ||
409 | /* | |
410 | * Do the request and get back a response... | |
411 | */ | |
ef416fc2 | 412 | |
fa73b229 | 413 | if ((response = cupsDoRequest(http, request, "/")) != NULL) |
414 | { | |
ef416fc2 | 415 | /* |
fa73b229 | 416 | * Got the result; set the CGI variables and check the status of a |
417 | * single-queue request... | |
ef416fc2 | 418 | */ |
419 | ||
fa73b229 | 420 | cgiSetIPPVars(response, NULL, NULL, NULL, 0); |
421 | ||
422 | if (printer && (attr = ippFindAttribute(response, "printer-state", | |
423 | IPP_TAG_ENUM)) != NULL && | |
424 | attr->values[0].integer == IPP_PRINTER_PROCESSING) | |
ef416fc2 | 425 | { |
fa73b229 | 426 | /* |
427 | * Printer is processing - automatically refresh the page until we | |
428 | * are done printing... | |
429 | */ | |
ef416fc2 | 430 | |
fa73b229 | 431 | cgiFormEncode(uri, printer, sizeof(uri)); |
432 | snprintf(refresh, sizeof(refresh), "10;/printers/%s", uri); | |
433 | cgiSetVariable("refresh_page", refresh); | |
ef416fc2 | 434 | } |
ef416fc2 | 435 | |
fa73b229 | 436 | /* |
437 | * Delete the response... | |
438 | */ | |
439 | ||
440 | ippDelete(response); | |
ef416fc2 | 441 | |
442 | /* | |
443 | * Show the standard header... | |
444 | */ | |
445 | ||
fa73b229 | 446 | cgiStartHTML(printer); |
ef416fc2 | 447 | |
448 | /* | |
fa73b229 | 449 | * Show the printer status... |
ef416fc2 | 450 | */ |
451 | ||
fa73b229 | 452 | cgiCopyTemplateLang("printers.tmpl"); |
ef416fc2 | 453 | |
fa73b229 | 454 | /* |
455 | * Show jobs for the specified printer... | |
456 | */ | |
ef416fc2 | 457 | |
fa73b229 | 458 | cgiCopyTemplateLang("printer-jobs-header.tmpl"); |
459 | cgiShowJobs(http, printer); | |
460 | } | |
461 | else | |
462 | { | |
463 | /* | |
464 | * Show the IPP error... | |
465 | */ | |
ef416fc2 | 466 | |
fa73b229 | 467 | cgiStartHTML(printer); |
468 | cgiShowIPPError(_("Unable to get printer status:")); | |
469 | } | |
ef416fc2 | 470 | |
fa73b229 | 471 | cgiEndHTML(); |
ef416fc2 | 472 | } |
473 | ||
474 | ||
475 | /* | |
bd7854cb | 476 | * End of "$Id: printers.c 5104 2006-02-15 03:21:04Z mike $". |
ef416fc2 | 477 | */ |