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ef416fc2 | 1 | /* |
7e86f2f6 | 2 | * "lpc" command for CUPS. |
ef416fc2 | 3 | * |
7e86f2f6 MS |
4 | * Copyright 2007-2014 by Apple Inc. |
5 | * Copyright 1997-2006 by Easy Software Products. | |
ef416fc2 | 6 | * |
7e86f2f6 MS |
7 | * These coded instructions, statements, and computer programs are the |
8 | * property of Apple Inc. and are protected by Federal copyright | |
9 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
10 | * which should have been included with this file. If this file is | |
57b7b66b | 11 | * missing or damaged, see the license at "http://www.cups.org/". |
ef416fc2 | 12 | */ |
13 | ||
14 | /* | |
15 | * Include necessary headers... | |
16 | */ | |
17 | ||
71e16022 | 18 | #include <cups/cups-private.h> |
ef416fc2 | 19 | |
20 | ||
21 | /* | |
22 | * Local functions... | |
23 | */ | |
24 | ||
7e86f2f6 | 25 | static int compare_strings(const char *, const char *, size_t); |
ef416fc2 | 26 | static void do_command(http_t *, const char *, const char *); |
27 | static void show_help(const char *); | |
28 | static void show_status(http_t *, const char *); | |
29 | ||
30 | ||
31 | /* | |
32 | * 'main()' - Parse options and commands. | |
33 | */ | |
34 | ||
35 | int | |
36 | main(int argc, /* I - Number of command-line arguments */ | |
37 | char *argv[]) /* I - Command-line arguments */ | |
38 | { | |
39 | http_t *http; /* Connection to server */ | |
40 | char line[1024], /* Input line from user */ | |
41 | *params; /* Pointer to parameters */ | |
42 | ||
43 | ||
07725fee | 44 | _cupsSetLocale(argv); |
d09495fa | 45 | |
ef416fc2 | 46 | /* |
47 | * Connect to the scheduler... | |
48 | */ | |
49 | ||
50 | http = httpConnectEncrypt(cupsServer(), ippPort(), cupsEncryption()); | |
51 | ||
52 | if (argc > 1) | |
53 | { | |
54 | /* | |
55 | * Process a single command on the command-line... | |
56 | */ | |
57 | ||
58 | do_command(http, argv[1], argv[2]); | |
59 | } | |
60 | else | |
61 | { | |
62 | /* | |
63 | * Do the command prompt thing... | |
64 | */ | |
65 | ||
0837b7e8 | 66 | _cupsLangPuts(stdout, _("lpc> ")); /* TODO: Need no-newline version */ |
ef416fc2 | 67 | while (fgets(line, sizeof(line), stdin) != NULL) |
68 | { | |
69 | /* | |
70 | * Strip trailing whitespace... | |
71 | */ | |
72 | ||
73 | for (params = line + strlen(line) - 1; params >= line;) | |
74 | if (!isspace(*params & 255)) | |
75 | break; | |
76 | else | |
77 | *params-- = '\0'; | |
78 | ||
79 | /* | |
80 | * Strip leading whitespace... | |
81 | */ | |
82 | ||
83 | for (params = line; isspace(*params & 255); params ++); | |
84 | ||
85 | if (params > line) | |
86 | _cups_strcpy(line, params); | |
87 | ||
88 | if (!line[0]) | |
89 | { | |
90 | /* | |
91 | * Nothing left, just show a prompt... | |
92 | */ | |
93 | ||
0837b7e8 | 94 | _cupsLangPuts(stdout, _("lpc> ")); /* TODO: Need no newline version */ |
ef416fc2 | 95 | continue; |
96 | } | |
97 | ||
98 | /* | |
99 | * Find any options in the string... | |
100 | */ | |
101 | ||
102 | for (params = line; *params != '\0'; params ++) | |
103 | if (isspace(*params & 255)) | |
104 | break; | |
105 | ||
106 | /* | |
107 | * Remove whitespace between the command and parameters... | |
108 | */ | |
109 | ||
110 | while (isspace(*params & 255)) | |
111 | *params++ = '\0'; | |
112 | ||
113 | /* | |
114 | * The "quit" and "exit" commands exit; otherwise, process as needed... | |
115 | */ | |
116 | ||
117 | if (!compare_strings(line, "quit", 1) || | |
118 | !compare_strings(line, "exit", 2)) | |
119 | break; | |
120 | ||
121 | if (*params == '\0') | |
122 | do_command(http, line, NULL); | |
123 | else | |
124 | do_command(http, line, params); | |
125 | ||
126 | /* | |
127 | * Put another prompt out to the user... | |
128 | */ | |
129 | ||
0837b7e8 | 130 | _cupsLangPuts(stdout, _("lpc> ")); /* TODO: Need no newline version */ |
ef416fc2 | 131 | } |
132 | } | |
133 | ||
134 | /* | |
135 | * Close the connection to the server and return... | |
136 | */ | |
137 | ||
138 | httpClose(http); | |
139 | ||
140 | return (0); | |
141 | } | |
142 | ||
143 | ||
144 | /* | |
145 | * 'compare_strings()' - Compare two command-line strings. | |
146 | */ | |
147 | ||
148 | static int /* O - -1 or 1 = no match, 0 = match */ | |
149 | compare_strings(const char *s, /* I - Command-line string */ | |
150 | const char *t, /* I - Option string */ | |
7e86f2f6 | 151 | size_t tmin) /* I - Minimum number of unique chars in option */ |
ef416fc2 | 152 | { |
7e86f2f6 | 153 | size_t slen; /* Length of command-line string */ |
ef416fc2 | 154 | |
155 | ||
156 | slen = strlen(s); | |
157 | if (slen < tmin) | |
158 | return (-1); | |
159 | else | |
160 | return (strncmp(s, t, slen)); | |
161 | } | |
162 | ||
163 | ||
164 | /* | |
165 | * 'do_command()' - Do an lpc command... | |
166 | */ | |
167 | ||
168 | static void | |
169 | do_command(http_t *http, /* I - HTTP connection to server */ | |
170 | const char *command, /* I - Command string */ | |
171 | const char *params) /* I - Parameters for command */ | |
172 | { | |
173 | if (!compare_strings(command, "status", 4)) | |
174 | show_status(http, params); | |
175 | else if (!compare_strings(command, "help", 1) || !strcmp(command, "?")) | |
176 | show_help(params); | |
177 | else | |
fa73b229 | 178 | _cupsLangPrintf(stdout, |
0837b7e8 | 179 | _("%s is not implemented by the CUPS version of lpc."), |
ef416fc2 | 180 | command); |
181 | } | |
182 | ||
183 | ||
184 | /* | |
185 | * 'show_help()' - Show help messages. | |
186 | */ | |
187 | ||
188 | static void | |
189 | show_help(const char *command) /* I - Command to describe or NULL */ | |
190 | { | |
191 | if (!command) | |
192 | { | |
fa73b229 | 193 | _cupsLangPrintf(stdout, |
ef416fc2 | 194 | _("Commands may be abbreviated. Commands are:\n" |
195 | "\n" | |
0837b7e8 | 196 | "exit help quit status ?")); |
ef416fc2 | 197 | } |
198 | else if (!compare_strings(command, "help", 1) || !strcmp(command, "?")) | |
0837b7e8 | 199 | _cupsLangPrintf(stdout, _("help\t\tGet help on commands.")); |
ef416fc2 | 200 | else if (!compare_strings(command, "status", 4)) |
0837b7e8 | 201 | _cupsLangPrintf(stdout, _("status\t\tShow status of daemon and queue.")); |
ef416fc2 | 202 | else |
0837b7e8 | 203 | _cupsLangPrintf(stdout, _("?Invalid help command unknown.")); |
ef416fc2 | 204 | } |
205 | ||
206 | ||
207 | /* | |
208 | * 'show_status()' - Show printers. | |
209 | */ | |
210 | ||
211 | static void | |
212 | show_status(http_t *http, /* I - HTTP connection to server */ | |
213 | const char *dests) /* I - Destinations */ | |
214 | { | |
215 | ipp_t *request, /* IPP Request */ | |
26d47ec6 | 216 | *response; /* IPP Response */ |
217 | ipp_attribute_t *attr; /* Current attribute */ | |
ef416fc2 | 218 | char *printer, /* Printer name */ |
219 | *device, /* Device URI */ | |
220 | *delimiter; /* Char search result */ | |
221 | ipp_pstate_t pstate; /* Printer state */ | |
222 | int accepting; /* Is printer accepting jobs? */ | |
223 | int jobcount; /* Count of current jobs */ | |
224 | const char *dptr, /* Pointer into destination list */ | |
225 | *ptr; /* Pointer into printer name */ | |
226 | int match; /* Non-zero if this job matches */ | |
ef416fc2 | 227 | static const char *requested[] = /* Requested attributes */ |
228 | { | |
ef416fc2 | 229 | "device-uri", |
26d47ec6 | 230 | "printer-is-accepting-jobs", |
231 | "printer-name", | |
ef416fc2 | 232 | "printer-state", |
26d47ec6 | 233 | "queued-job-count" |
ef416fc2 | 234 | }; |
235 | ||
236 | ||
237 | DEBUG_printf(("show_status(http=%p, dests=\"%s\")\n", http, dests)); | |
238 | ||
239 | if (http == NULL) | |
240 | return; | |
241 | ||
242 | /* | |
243 | * Build a CUPS_GET_PRINTERS request, which requires the following | |
244 | * attributes: | |
245 | * | |
246 | * attributes-charset | |
247 | * attributes-natural-language | |
248 | */ | |
249 | ||
0a682745 | 250 | request = ippNewRequest(CUPS_GET_PRINTERS); |
ef416fc2 | 251 | |
252 | ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, | |
253 | "requested-attributes", sizeof(requested) / sizeof(requested[0]), | |
254 | NULL, requested); | |
255 | ||
256 | /* | |
257 | * Do the request and get back a response... | |
258 | */ | |
259 | ||
260 | if ((response = cupsDoRequest(http, request, "/")) != NULL) | |
261 | { | |
262 | DEBUG_puts("show_status: request succeeded..."); | |
263 | ||
264 | /* | |
265 | * Loop through the printers returned in the list and display | |
266 | * their status... | |
267 | */ | |
268 | ||
269 | for (attr = response->attrs; attr != NULL; attr = attr->next) | |
270 | { | |
271 | /* | |
272 | * Skip leading attributes until we hit a job... | |
273 | */ | |
274 | ||
275 | while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER) | |
276 | attr = attr->next; | |
277 | ||
278 | if (attr == NULL) | |
279 | break; | |
280 | ||
281 | /* | |
282 | * Pull the needed attributes from this job... | |
283 | */ | |
284 | ||
285 | printer = NULL; | |
286 | device = "file:/dev/null"; | |
287 | pstate = IPP_PRINTER_IDLE; | |
288 | jobcount = 0; | |
289 | accepting = 1; | |
290 | ||
291 | while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER) | |
292 | { | |
ef416fc2 | 293 | if (!strcmp(attr->name, "device-uri") && |
294 | attr->value_tag == IPP_TAG_URI) | |
295 | device = attr->values[0].string.text; | |
26d47ec6 | 296 | else if (!strcmp(attr->name, "printer-is-accepting-jobs") && |
297 | attr->value_tag == IPP_TAG_BOOLEAN) | |
ef416fc2 | 298 | accepting = attr->values[0].boolean; |
26d47ec6 | 299 | else if (!strcmp(attr->name, "printer-name") && |
300 | attr->value_tag == IPP_TAG_NAME) | |
301 | printer = attr->values[0].string.text; | |
302 | else if (!strcmp(attr->name, "printer-state") && | |
303 | attr->value_tag == IPP_TAG_ENUM) | |
304 | pstate = (ipp_pstate_t)attr->values[0].integer; | |
305 | else if (!strcmp(attr->name, "queued-job-count") && | |
306 | attr->value_tag == IPP_TAG_INTEGER) | |
307 | jobcount = attr->values[0].integer; | |
ef416fc2 | 308 | |
309 | attr = attr->next; | |
310 | } | |
311 | ||
312 | /* | |
313 | * See if we have everything needed... | |
314 | */ | |
315 | ||
316 | if (printer == NULL) | |
317 | { | |
318 | if (attr == NULL) | |
319 | break; | |
320 | else | |
321 | continue; | |
322 | } | |
323 | ||
324 | /* | |
325 | * A single 'all' printer name is special, meaning all printers. | |
326 | */ | |
327 | ||
328 | if (dests != NULL && !strcmp(dests, "all")) | |
329 | dests = NULL; | |
330 | ||
331 | /* | |
332 | * See if this is a printer we're interested in... | |
333 | */ | |
334 | ||
335 | match = dests == NULL; | |
336 | ||
337 | if (dests != NULL) | |
338 | { | |
339 | for (dptr = dests; *dptr != '\0';) | |
340 | { | |
341 | /* | |
342 | * Skip leading whitespace and commas... | |
343 | */ | |
344 | ||
345 | while (isspace(*dptr & 255) || *dptr == ',') | |
346 | dptr ++; | |
347 | ||
348 | if (*dptr == '\0') | |
349 | break; | |
350 | ||
351 | /* | |
352 | * Compare names... | |
353 | */ | |
354 | ||
355 | for (ptr = printer; | |
356 | *ptr != '\0' && *dptr != '\0' && *ptr == *dptr; | |
82cc1f9a MS |
357 | ptr ++, dptr ++) |
358 | /* do nothing */; | |
ef416fc2 | 359 | |
26d47ec6 | 360 | if (*ptr == '\0' && (*dptr == '\0' || *dptr == ',' || |
361 | isspace(*dptr & 255))) | |
ef416fc2 | 362 | { |
363 | match = 1; | |
364 | break; | |
365 | } | |
366 | ||
367 | /* | |
368 | * Skip trailing junk... | |
369 | */ | |
370 | ||
371 | while (!isspace(*dptr & 255) && *dptr != '\0') | |
372 | dptr ++; | |
373 | while (isspace(*dptr & 255) || *dptr == ',') | |
374 | dptr ++; | |
375 | ||
376 | if (*dptr == '\0') | |
377 | break; | |
378 | } | |
379 | } | |
380 | ||
381 | /* | |
382 | * Display the printer entry if needed... | |
383 | */ | |
384 | ||
385 | if (match) | |
386 | { | |
ef416fc2 | 387 | /* |
388 | * Display it... | |
389 | */ | |
390 | ||
391 | printf("%s:\n", printer); | |
392 | if (!strncmp(device, "file:", 5)) | |
fa73b229 | 393 | _cupsLangPrintf(stdout, |
0837b7e8 | 394 | _("\tprinter is on device \'%s\' speed -1"), |
ef416fc2 | 395 | device + 5); |
396 | else | |
397 | { | |
398 | /* | |
399 | * Just show the scheme... | |
400 | */ | |
401 | ||
402 | if ((delimiter = strchr(device, ':')) != NULL ) | |
403 | { | |
404 | *delimiter = '\0'; | |
fa73b229 | 405 | _cupsLangPrintf(stdout, |
0837b7e8 | 406 | _("\tprinter is on device \'%s\' speed -1"), |
ef416fc2 | 407 | device); |
408 | } | |
409 | } | |
410 | ||
411 | if (accepting) | |
0837b7e8 | 412 | _cupsLangPuts(stdout, _("\tqueuing is enabled")); |
ef416fc2 | 413 | else |
0837b7e8 | 414 | _cupsLangPuts(stdout, _("\tqueuing is disabled")); |
ef416fc2 | 415 | |
416 | if (pstate != IPP_PRINTER_STOPPED) | |
0837b7e8 | 417 | _cupsLangPuts(stdout, _("\tprinting is enabled")); |
ef416fc2 | 418 | else |
0837b7e8 | 419 | _cupsLangPuts(stdout, _("\tprinting is disabled")); |
ef416fc2 | 420 | |
421 | if (jobcount == 0) | |
0837b7e8 | 422 | _cupsLangPuts(stdout, _("\tno entries")); |
ef416fc2 | 423 | else |
0837b7e8 | 424 | _cupsLangPrintf(stdout, _("\t%d entries"), jobcount); |
ef416fc2 | 425 | |
0837b7e8 | 426 | _cupsLangPuts(stdout, _("\tdaemon present")); |
ef416fc2 | 427 | } |
428 | ||
429 | if (attr == NULL) | |
430 | break; | |
431 | } | |
432 | ||
433 | ippDelete(response); | |
434 | } | |
435 | } |