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Commit | Line | Data |
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9153c417 | 1 | /* |
c9d3f842 | 2 | * "$Id$" |
9153c417 | 3 | * |
90beaed3 | 4 | * CGI form variable and array functions. |
9153c417 | 5 | * |
c9d3f842 | 6 | * Copyright 1997-2005 by Easy Software Products. |
4a409eae | 7 | * |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the Free | |
10 | * Software Foundation; either version 2 of the License, or (at your option) | |
11 | * any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
15 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | * for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
a548a235 | 21 | * |
22 | * Contents: | |
23 | * | |
24 | * cgiInitialize() - Initialize the CGI variable "database"... | |
d694b7ed | 25 | * cgiIsPOST() - Determine whether this page was POSTed. |
ef15b5ef | 26 | * cgiCheckVariables() - Check for the presence of "required" variables. |
90beaed3 | 27 | * cgiGetArray() - Get an element from a form array... |
28 | * cgiGetSize() - Get the size of a form array value. | |
a548a235 | 29 | * cgiGetVariable() - Get a CGI variable from the database... |
90beaed3 | 30 | * cgiSetArray() - Set array element N to the specified string. |
a548a235 | 31 | * cgiSetVariable() - Set a CGI variable in the database... |
a548a235 | 32 | * cgi_add_variable() - Add a form variable. |
90beaed3 | 33 | * cgi_compare_variables() - Compare two variables. |
34 | * cgi_find_variable() - Find a variable... | |
a548a235 | 35 | * cgi_initialize_get() - Initialize form variables using the GET method. |
36 | * cgi_initialize_post() - Initialize variables using the POST method. | |
90beaed3 | 37 | * cgi_initialize_string() - Initialize form variables from a string. |
38 | * cgi_sort_variables() - Sort all form variables for faster lookup. | |
9153c417 | 39 | */ |
40 | ||
7b69bd6f | 41 | /*#define DEBUG*/ |
9153c417 | 42 | #include "cgi.h" |
f2bc527f | 43 | #include <cups/cups.h> |
7c935cd3 | 44 | #include <errno.h> |
45 | #include <syslog.h> | |
9153c417 | 46 | |
47 | ||
48 | /* | |
90beaed3 | 49 | * Data structure to hold all the CGI form variables and arrays... |
9153c417 | 50 | */ |
51 | ||
52 | typedef struct | |
53 | { | |
90beaed3 | 54 | const char *name; /* Name of variable */ |
55 | int nvalues, /* Number of values */ | |
56 | avalues; /* Number of values allocated */ | |
57 | const char **values; /* Value(s) of variable */ | |
9153c417 | 58 | } var_t; |
59 | ||
60 | ||
61 | /* | |
62 | * Local globals... | |
63 | */ | |
64 | ||
90beaed3 | 65 | static int form_count = 0, /* Form variable count */ |
66 | form_alloc = 0; /* Number of variables allocated */ | |
9153c417 | 67 | static var_t *form_vars = NULL; /* Form variables */ |
68 | ||
69 | ||
70 | /* | |
71 | * Local functions... | |
72 | */ | |
73 | ||
ea373144 | 74 | static void cgi_add_variable(const char *name, int element, |
75 | const char *value); | |
76 | static int cgi_compare_variables(const var_t *v1, const var_t *v2); | |
77 | static var_t *cgi_find_variable(const char *name); | |
78 | static int cgi_initialize_get(void); | |
79 | static int cgi_initialize_post(void); | |
80 | static int cgi_initialize_string(const char *data); | |
81 | static const char *cgi_passwd(const char *prompt); | |
82 | static void cgi_sort_variables(void); | |
9153c417 | 83 | |
84 | ||
85 | /* | |
a548a235 | 86 | * 'cgiInitialize()' - Initialize the CGI variable "database"... |
9153c417 | 87 | */ |
88 | ||
ea373144 | 89 | int /* O - Non-zero if there was form data */ |
36694ee4 | 90 | cgiInitialize(void) |
9153c417 | 91 | { |
ea373144 | 92 | const char *method; /* Form posting method */ |
9153c417 | 93 | |
94 | ||
ea373144 | 95 | /* |
96 | * Setup a password callback for authentication... | |
97 | */ | |
98 | ||
99 | cupsSetPasswordCB(cgi_passwd); | |
100 | ||
7b69bd6f | 101 | #ifdef DEBUG |
ea373144 | 102 | /* |
103 | * Disable output buffering to find bugs... | |
104 | */ | |
105 | ||
7b69bd6f | 106 | setbuf(stdout, NULL); |
107 | puts("Content-type: text/plain\n"); | |
108 | #endif /* DEBUG */ | |
109 | ||
ea373144 | 110 | /* |
111 | * Get the request method (GET or POST)... | |
112 | */ | |
113 | ||
9153c417 | 114 | method = getenv("REQUEST_METHOD"); |
115 | ||
ea373144 | 116 | if (!method) |
781d64bb | 117 | return (0); |
9153c417 | 118 | |
ea373144 | 119 | /* |
120 | * Grab form data from the corresponding location... | |
121 | */ | |
122 | ||
123 | if (!strcasecmp(method, "GET")) | |
36694ee4 | 124 | return (cgi_initialize_get()); |
ea373144 | 125 | else if (!strcasecmp(method, "POST")) |
36694ee4 | 126 | return (cgi_initialize_post()); |
9153c417 | 127 | else |
781d64bb | 128 | return (0); |
9153c417 | 129 | } |
130 | ||
131 | ||
ef15b5ef | 132 | /* |
133 | * 'cgiCheckVariables()' - Check for the presence of "required" variables. | |
134 | * | |
90beaed3 | 135 | * Names may be separated by spaces and/or commas. |
ef15b5ef | 136 | */ |
137 | ||
90beaed3 | 138 | int /* O - 1 if all variables present, 0 otherwise */ |
139 | cgiCheckVariables(const char *names) /* I - Variables to look for */ | |
ef15b5ef | 140 | { |
90beaed3 | 141 | char name[255], /* Current variable name */ |
142 | *s; /* Pointer in string */ | |
143 | const char *val; /* Value of variable */ | |
144 | int element; /* Array element number */ | |
ef15b5ef | 145 | |
146 | ||
147 | if (names == NULL) | |
148 | return (1); | |
149 | ||
150 | while (*names != '\0') | |
151 | { | |
152 | while (*names == ' ' || *names == ',') | |
153 | names ++; | |
154 | ||
155 | for (s = name; *names != '\0' && *names != ' ' && *names != ','; s ++, names ++) | |
156 | *s = *names; | |
157 | ||
158 | *s = 0; | |
159 | if (name[0] == '\0') | |
160 | break; | |
161 | ||
90beaed3 | 162 | if ((s = strrchr(name, '-')) != NULL) |
163 | { | |
164 | *s = '\0'; | |
165 | element = atoi(s + 1) - 1; | |
166 | val = cgiGetArray(name, element); | |
167 | } | |
168 | else | |
169 | val = cgiGetVariable(name); | |
170 | ||
171 | if (val == NULL) | |
ef15b5ef | 172 | return (0); |
3915f775 | 173 | |
174 | if (*val == '\0') | |
175 | return (0); /* Can't be blank, either! */ | |
90beaed3 | 176 | } |
ef15b5ef | 177 | |
178 | return (1); | |
179 | } | |
180 | ||
181 | ||
d694b7ed | 182 | /* |
183 | * 'cgiIsPOST()' - Determine whether this page was POSTed. | |
184 | */ | |
185 | ||
186 | int /* O - 1 if POST, 0 if GET */ | |
187 | cgiIsPOST(void) | |
188 | { | |
189 | const char *method; /* REQUEST_METHOD environment variable */ | |
190 | ||
191 | ||
192 | if ((method = getenv("REQUEST_METHOD")) == NULL) | |
193 | return (0); | |
194 | else | |
195 | return (!strcmp(method, "POST")); | |
196 | } | |
197 | ||
198 | ||
a548a235 | 199 | /* |
90beaed3 | 200 | * 'cgiGetArray()' - Get an element from a form array... |
a548a235 | 201 | */ |
202 | ||
90beaed3 | 203 | const char * /* O - Element value or NULL */ |
204 | cgiGetArray(const char *name, /* I - Name of array variable */ | |
205 | int element) /* I - Element number (0 to N) */ | |
a548a235 | 206 | { |
90beaed3 | 207 | var_t *var; /* Pointer to variable */ |
a548a235 | 208 | |
209 | ||
90beaed3 | 210 | if ((var = cgi_find_variable(name)) == NULL) |
a548a235 | 211 | return (NULL); |
212 | ||
4a409eae | 213 | if (var->nvalues == 1) |
214 | return (var->values[0]); | |
215 | ||
90beaed3 | 216 | if (element < 0 || element >= var->nvalues) |
217 | return (NULL); | |
218 | ||
219 | return (var->values[element]); | |
220 | } | |
221 | ||
222 | ||
223 | /* | |
224 | * 'cgiGetSize()' - Get the size of a form array value. | |
225 | */ | |
226 | ||
227 | int /* O - Number of elements */ | |
228 | cgiGetSize(const char *name) /* I - Name of variable */ | |
229 | { | |
230 | var_t *var; /* Pointer to variable */ | |
231 | ||
232 | ||
233 | if ((var = cgi_find_variable(name)) == NULL) | |
234 | return (0); | |
235 | ||
236 | return (var->nvalues); | |
237 | } | |
238 | ||
239 | ||
240 | /* | |
241 | * 'cgiGetVariable()' - Get a CGI variable from the database... | |
242 | * | |
243 | * Returns NULL if the variable doesn't exist... If the variable is an | |
244 | * array of values, returns the last element... | |
245 | */ | |
246 | ||
247 | const char * /* O - Value of variable */ | |
248 | cgiGetVariable(const char *name)/* I - Name of variable */ | |
249 | { | |
250 | const var_t *var; /* Returned variable */ | |
251 | ||
a548a235 | 252 | |
90beaed3 | 253 | var = cgi_find_variable(name); |
a548a235 | 254 | |
7b69bd6f | 255 | #ifdef DEBUG |
256 | if (var == NULL) | |
257 | printf("cgiGetVariable(\"%s\") is returning NULL...\n", name); | |
258 | else | |
90beaed3 | 259 | printf("cgiGetVariable(\"%s\") is returning \"%s\"...\n", name, |
260 | var->values[var->nvalues - 1]); | |
7b69bd6f | 261 | #endif /* DEBUG */ |
262 | ||
90beaed3 | 263 | return ((var == NULL) ? NULL : var->values[var->nvalues - 1]); |
a548a235 | 264 | } |
265 | ||
266 | ||
267 | /* | |
90beaed3 | 268 | * 'cgiSetArray()' - Set array element N to the specified string. |
269 | * | |
270 | * If the variable array is smaller than (element + 1), the intervening | |
271 | * elements are set to NULL. | |
a548a235 | 272 | */ |
273 | ||
274 | void | |
90beaed3 | 275 | cgiSetArray(const char *name, /* I - Name of variable */ |
276 | int element, /* I - Element number (0 to N) */ | |
277 | const char *value) /* I - Value of variable */ | |
a548a235 | 278 | { |
90beaed3 | 279 | int i; /* Looping var */ |
280 | var_t *var; /* Returned variable */ | |
a548a235 | 281 | |
282 | ||
901b295d | 283 | if (name == NULL || value == NULL || element < 0 || element > 100000) |
f8965d70 | 284 | return; |
285 | ||
90beaed3 | 286 | if ((var = cgi_find_variable(name)) == NULL) |
a548a235 | 287 | { |
90beaed3 | 288 | cgi_add_variable(name, element, value); |
289 | cgi_sort_variables(); | |
a548a235 | 290 | } |
291 | else | |
90beaed3 | 292 | { |
293 | if (element >= var->avalues) | |
294 | { | |
295 | var->avalues = element + 16; | |
b26a9a6f | 296 | var->values = (const char **)realloc((void *)(var->values), |
297 | sizeof(char *) * var->avalues); | |
90beaed3 | 298 | } |
a548a235 | 299 | |
90beaed3 | 300 | if (element >= var->nvalues) |
301 | { | |
302 | for (i = var->nvalues; i < element; i ++) | |
303 | var->values[i] = NULL; | |
304 | ||
305 | var->nvalues = element + 1; | |
306 | } | |
307 | else if (var->values[element]) | |
308 | free((char *)var->values[element]); | |
309 | ||
310 | var->values[element] = strdup(value); | |
311 | } | |
312 | } | |
313 | ||
314 | ||
e846bf33 | 315 | /* |
316 | * 'cgiSetSize()' - Set the array size. | |
317 | */ | |
318 | ||
319 | void | |
320 | cgiSetSize(const char *name, /* I - Name of variable */ | |
321 | int size) /* I - Number of elements (0 to N) */ | |
322 | { | |
323 | int i; /* Looping var */ | |
324 | var_t *var; /* Returned variable */ | |
325 | ||
326 | ||
901b295d | 327 | if (name == NULL || size < 0 || size > 100000) |
e846bf33 | 328 | return; |
329 | ||
330 | if ((var = cgi_find_variable(name)) == NULL) | |
331 | return; | |
332 | ||
333 | if (size >= var->avalues) | |
334 | { | |
335 | var->avalues = size + 16; | |
b26a9a6f | 336 | var->values = (const char **)realloc((void *)(var->values), |
337 | sizeof(char *) * var->avalues); | |
e846bf33 | 338 | } |
339 | ||
340 | if (size > var->nvalues) | |
341 | { | |
342 | for (i = var->nvalues; i < size; i ++) | |
343 | var->values[i] = NULL; | |
344 | } | |
345 | else if (size < var->nvalues) | |
346 | { | |
347 | for (i = size; i < var->nvalues; i ++) | |
348 | if (var->values[i]) | |
b26a9a6f | 349 | free((void *)(var->values[i])); |
e846bf33 | 350 | } |
351 | ||
352 | var->nvalues = size; | |
353 | } | |
354 | ||
355 | ||
90beaed3 | 356 | /* |
357 | * 'cgiSetVariable()' - Set a CGI variable in the database... | |
358 | * | |
359 | * If the variable is an array, this truncates the array to a single element. | |
360 | */ | |
361 | ||
362 | void | |
363 | cgiSetVariable(const char *name, /* I - Name of variable */ | |
364 | const char *value) /* I - Value of variable */ | |
365 | { | |
366 | int i; /* Looping var */ | |
367 | var_t *var; /* Returned variable */ | |
368 | ||
369 | ||
370 | if (name == NULL || value == NULL) | |
371 | return; | |
372 | ||
373 | if ((var = cgi_find_variable(name)) == NULL) | |
a548a235 | 374 | { |
90beaed3 | 375 | cgi_add_variable(name, 0, value); |
a548a235 | 376 | cgi_sort_variables(); |
377 | } | |
378 | else | |
379 | { | |
90beaed3 | 380 | for (i = 0; i < var->nvalues; i ++) |
381 | if (var->values[i]) | |
382 | free((char *)var->values[i]); | |
383 | ||
384 | var->values[0] = strdup(value); | |
385 | var->nvalues = 1; | |
386 | } | |
a548a235 | 387 | } |
388 | ||
389 | ||
390 | /* | |
90beaed3 | 391 | * 'cgi_add_variable()' - Add a form variable. |
a548a235 | 392 | */ |
393 | ||
9153c417 | 394 | static void |
90beaed3 | 395 | cgi_add_variable(const char *name, /* I - Variable name */ |
396 | int element, /* I - Array element number */ | |
397 | const char *value) /* I - Variable value */ | |
9153c417 | 398 | { |
90beaed3 | 399 | var_t *var; /* New variable */ |
7b69bd6f | 400 | |
7b69bd6f | 401 | |
901b295d | 402 | if (name == NULL || value == NULL || element < 0 || element > 100000) |
9153c417 | 403 | return; |
404 | ||
7b69bd6f | 405 | #ifdef DEBUG |
90beaed3 | 406 | printf("Adding variable \'%s\' with value \'%s\'...\n", name, value); |
7b69bd6f | 407 | #endif /* DEBUG */ |
90beaed3 | 408 | |
409 | if (form_count >= form_alloc) | |
410 | { | |
411 | if (form_alloc == 0) | |
412 | form_vars = malloc(sizeof(var_t) * 16); | |
413 | else | |
414 | form_vars = realloc(form_vars, (form_alloc + 16) * sizeof(var_t)); | |
415 | ||
416 | form_alloc += 16; | |
417 | } | |
418 | ||
419 | var = form_vars + form_count; | |
420 | var->name = strdup(name); | |
421 | var->nvalues = element + 1; | |
422 | var->avalues = element + 1; | |
423 | var->values = calloc(element + 1, sizeof(char *)); | |
424 | var->values[element] = strdup(value); | |
425 | ||
426 | form_count ++; | |
9153c417 | 427 | } |
428 | ||
429 | ||
a548a235 | 430 | /* |
431 | * 'cgi_compare_variables()' - Compare two variables. | |
432 | */ | |
433 | ||
90beaed3 | 434 | static int /* O - Result of comparison */ |
435 | cgi_compare_variables(const var_t *v1, /* I - First variable */ | |
436 | const var_t *v2) /* I - Second variable */ | |
9153c417 | 437 | { |
438 | return (strcasecmp(v1->name, v2->name)); | |
439 | } | |
440 | ||
441 | ||
a548a235 | 442 | /* |
90beaed3 | 443 | * 'cgi_find_variable()' - Find a variable... |
a548a235 | 444 | */ |
445 | ||
90beaed3 | 446 | static var_t * /* O - Variable pointer or NULL */ |
447 | cgi_find_variable(const char *name) /* I - Name of variable */ | |
9153c417 | 448 | { |
90beaed3 | 449 | var_t key; /* Search key */ |
9153c417 | 450 | |
451 | ||
90beaed3 | 452 | if (form_count < 1 || name == NULL) |
453 | return (NULL); | |
454 | ||
455 | key.name = name; | |
456 | ||
457 | return ((var_t *)bsearch(&key, form_vars, form_count, sizeof(var_t), | |
458 | (int (*)(const void *, const void *))cgi_compare_variables)); | |
459 | } | |
460 | ||
461 | ||
462 | /* | |
463 | * 'cgi_initialize_get()' - Initialize form variables using the GET method. | |
464 | */ | |
465 | ||
36694ee4 | 466 | static int /* O - 1 if form data read */ |
467 | cgi_initialize_get(void) | |
90beaed3 | 468 | { |
36694ee4 | 469 | char *data; /* Pointer to form data string */ |
90beaed3 | 470 | |
f8965d70 | 471 | |
7b69bd6f | 472 | #ifdef DEBUG |
90beaed3 | 473 | puts("Initializing variables using GET method..."); |
7b69bd6f | 474 | #endif /* DEBUG */ |
475 | ||
90beaed3 | 476 | /* |
477 | * Check to see if there is anything for us to read... | |
478 | */ | |
9153c417 | 479 | |
90beaed3 | 480 | data = getenv("QUERY_STRING"); |
481 | if (data == NULL || strlen(data) == 0) | |
482 | return (0); | |
483 | ||
484 | /* | |
485 | * Parse it out and return... | |
486 | */ | |
487 | ||
488 | return (cgi_initialize_string(data)); | |
489 | } | |
490 | ||
491 | ||
492 | /* | |
493 | * 'cgi_initialize_post()' - Initialize variables using the POST method. | |
494 | */ | |
495 | ||
36694ee4 | 496 | static int /* O - 1 if form data was read */ |
497 | cgi_initialize_post(void) | |
90beaed3 | 498 | { |
499 | char *content_length, /* Length of input data (string) */ | |
500 | *data; /* Pointer to form data string */ | |
501 | int length, /* Length of input data */ | |
502 | nbytes, /* Number of bytes read this read() */ | |
503 | tbytes, /* Total number of bytes read */ | |
504 | status; /* Return status */ | |
505 | ||
506 | ||
507 | #ifdef DEBUG | |
508 | puts("Initializing variables using POST method..."); | |
509 | #endif /* DEBUG */ | |
510 | ||
511 | /* | |
512 | * Check to see if there is anything for us to read... | |
513 | */ | |
514 | ||
515 | content_length = getenv("CONTENT_LENGTH"); | |
0819478b | 516 | if (content_length == NULL || atoi(content_length) <= 0) |
90beaed3 | 517 | return (0); |
518 | ||
519 | /* | |
520 | * Get the length of the input stream and allocate a buffer for it... | |
521 | */ | |
522 | ||
523 | length = atoi(content_length); | |
524 | data = malloc(length + 1); | |
525 | ||
0819478b | 526 | if (data == NULL) |
527 | return (0); | |
528 | ||
90beaed3 | 529 | /* |
530 | * Read the data into the buffer... | |
531 | */ | |
532 | ||
533 | for (tbytes = 0; tbytes < length; tbytes += nbytes) | |
534 | if ((nbytes = read(0, data + tbytes, length - tbytes)) < 0) | |
7c935cd3 | 535 | if (errno != EAGAIN) |
536 | { | |
537 | free(data); | |
538 | return (0); | |
539 | } | |
90beaed3 | 540 | |
541 | data[length] = '\0'; | |
542 | ||
543 | /* | |
544 | * Parse it out... | |
545 | */ | |
546 | ||
547 | status = cgi_initialize_string(data); | |
548 | ||
549 | /* | |
550 | * Free the data and return... | |
551 | */ | |
552 | ||
553 | free(data); | |
554 | ||
555 | return (status); | |
9153c417 | 556 | } |
557 | ||
558 | ||
559 | /* | |
560 | * 'cgi_initialize_string()' - Initialize form variables from a string. | |
561 | */ | |
562 | ||
f8965d70 | 563 | static int |
90beaed3 | 564 | cgi_initialize_string(const char *data) /* I - Form data string */ |
9153c417 | 565 | { |
566 | int done; /* True if we're done reading a form variable */ | |
567 | char *s, /* Pointer to current form string */ | |
568 | ch, /* Temporary character */ | |
569 | name[255], /* Name of form variable */ | |
570 | value[65536]; /* Variable value... */ | |
571 | ||
572 | ||
573 | /* | |
574 | * Check input... | |
575 | */ | |
576 | ||
577 | if (data == NULL) | |
f8965d70 | 578 | return (0); |
9153c417 | 579 | |
580 | /* | |
581 | * Loop until we've read all the form data... | |
582 | */ | |
583 | ||
584 | while (*data != '\0') | |
585 | { | |
586 | /* | |
587 | * Get the variable name... | |
588 | */ | |
589 | ||
7c935cd3 | 590 | for (s = name; *data != '\0'; data ++) |
9153c417 | 591 | if (*data == '=') |
592 | break; | |
0819478b | 593 | else if (*data >= ' ' && s < (name + sizeof(name) - 1)) |
7c935cd3 | 594 | *s++ = *data; |
9153c417 | 595 | |
596 | *s = '\0'; | |
597 | if (*data == '=') | |
598 | data ++; | |
f8965d70 | 599 | else |
600 | return (0); | |
9153c417 | 601 | |
602 | /* | |
603 | * Read the variable value... | |
604 | */ | |
605 | ||
0819478b | 606 | for (s = value, done = 0; !done && *data != '\0'; data ++) |
9153c417 | 607 | switch (*data) |
608 | { | |
609 | case '&' : /* End of data... */ | |
610 | done = 1; | |
9153c417 | 611 | break; |
612 | ||
613 | case '+' : /* Escaped space character */ | |
0819478b | 614 | if (s < (value + sizeof(value) - 1)) |
615 | *s++ = ' '; | |
9153c417 | 616 | break; |
617 | ||
618 | case '%' : /* Escaped control character */ | |
619 | /* | |
0819478b | 620 | * Read the hex code... |
9153c417 | 621 | */ |
622 | ||
0819478b | 623 | if (s < (value + sizeof(value) - 1)) |
624 | { | |
625 | data ++; | |
626 | ch = *data - '0'; | |
627 | if (ch > 9) | |
628 | ch -= 7; | |
629 | *s = ch << 4; | |
630 | ||
631 | data ++; | |
632 | ch = *data - '0'; | |
633 | if (ch > 9) | |
634 | ch -= 7; | |
635 | *s++ |= ch; | |
636 | } | |
637 | else | |
638 | data += 2; | |
9153c417 | 639 | break; |
640 | ||
641 | default : /* Other characters come straight through */ | |
0819478b | 642 | if (*data >= ' ' && s < (value + sizeof(value) - 1)) |
643 | *s++ = *data; | |
9153c417 | 644 | break; |
90beaed3 | 645 | } |
9153c417 | 646 | |
647 | *s = '\0'; /* nul terminate the string */ | |
648 | ||
6ee2c4c1 | 649 | /* |
650 | * Remove trailing whitespace... | |
651 | */ | |
652 | ||
7c935cd3 | 653 | if (s > value) |
654 | s --; | |
655 | ||
6ee2c4c1 | 656 | while (s >= value && *s == ' ') |
657 | *s-- = '\0'; | |
658 | ||
9153c417 | 659 | /* |
660 | * Add the string to the variable "database"... | |
661 | */ | |
662 | ||
da275f55 | 663 | if ((s = strrchr(name, '-')) != NULL && isdigit(s[1] & 255)) |
90beaed3 | 664 | { |
f63a2256 | 665 | *s++ = '\0'; |
d1ad21c3 | 666 | if (value[0]) |
667 | cgiSetArray(name, atoi(s) - 1, value); | |
90beaed3 | 668 | } |
3d9e2586 | 669 | else if (cgiGetVariable(name) != NULL) |
670 | cgiSetArray(name, cgiGetSize(name), value); | |
90beaed3 | 671 | else |
672 | cgiSetVariable(name, value); | |
673 | } | |
f8965d70 | 674 | |
675 | return (1); | |
9153c417 | 676 | } |
677 | ||
678 | ||
ea373144 | 679 | /* |
680 | * 'cgi_passwd()' - Catch authentication requests and notify the server. | |
681 | * | |
682 | * This function sends a Status header and exits, forcing authentication | |
683 | * for this request. | |
684 | */ | |
685 | ||
686 | static const char * /* O - NULL (no return) */ | |
687 | cgi_passwd(const char *prompt) /* I - Prompt (not used) */ | |
688 | { | |
689 | (void)prompt; | |
690 | ||
691 | /* | |
692 | * Send a 401 (unauthorized) status to the server, so it can notify | |
693 | * the client that authentication is required. | |
694 | */ | |
695 | ||
696 | puts("Status: 401\n"); | |
697 | exit(0); | |
698 | ||
699 | /* | |
700 | * This code is never executed, but is present to satisfy the compiler. | |
701 | */ | |
702 | ||
703 | return (NULL); | |
704 | } | |
705 | ||
706 | ||
9153c417 | 707 | /* |
90beaed3 | 708 | * 'cgi_sort_variables()' - Sort all form variables for faster lookup. |
9153c417 | 709 | */ |
710 | ||
90beaed3 | 711 | static void |
712 | cgi_sort_variables(void) | |
9153c417 | 713 | { |
7b69bd6f | 714 | #ifdef DEBUG |
90beaed3 | 715 | int i; |
9153c417 | 716 | |
717 | ||
90beaed3 | 718 | puts("Sorting variables..."); |
719 | #endif /* DEBUG */ | |
a548a235 | 720 | |
90beaed3 | 721 | if (form_count < 2) |
722 | return; | |
9153c417 | 723 | |
90beaed3 | 724 | qsort(form_vars, form_count, sizeof(var_t), |
725 | (int (*)(const void *, const void *))cgi_compare_variables); | |
9153c417 | 726 | |
7b69bd6f | 727 | #ifdef DEBUG |
7c935cd3 | 728 | puts("Sorted variable list is:"); |
90beaed3 | 729 | for (i = 0; i < form_count; i ++) |
7c935cd3 | 730 | printf("%d: %s (%d) = \"%s\" ...\n", i, form_vars[i].name, |
731 | form_vars[i].nvalues, form_vars[i].values[0]); | |
7b69bd6f | 732 | #endif /* DEBUG */ |
9153c417 | 733 | } |
734 | ||
735 | ||
736 | /* | |
c9d3f842 | 737 | * End of "$Id$". |
9153c417 | 738 | */ |