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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [net/] [athttpd/] [current/] [src/] [handler.c] - Blame information for rev 838

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Line No. Rev Author Line
1 786 skrzyp 
/* =================================================================
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 *
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 *      handler.c
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 *
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 *      C callbacks as well as directory listings.
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 *
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 * =================================================================
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 * ####ECOSGPLCOPYRIGHTBEGIN####
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 * -------------------------------------------
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 * This file is part of eCos, the Embedded Configurable Operating System.
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 * Copyright (C) 2005 Free Software Foundation, Inc.
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 *
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 * eCos is free software; you can redistribute it and/or modify it under
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 * the terms of the GNU General Public License as published by the Free
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 * Software Foundation; either version 2 or (at your option) any later
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 * version.
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 *
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 * eCos is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with eCos; if not, write to the Free Software Foundation, Inc.,
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 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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 *
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 * As a special exception, if other files instantiate templates or use
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 * macros or inline functions from this file, or you compile this file
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 * and link it with other works to produce a work based on this file,
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 * this file does not by itself cause the resulting work to be covered by
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 * the GNU General Public License. However the source code for this file
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 * must still be made available in accordance with section (3) of the GNU
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 * General Public License v2.
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 *
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 * This exception does not invalidate any other reasons why a work based
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 * on this file might be covered by the GNU General Public License.
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 * -------------------------------------------
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 * ####ECOSGPLCOPYRIGHTEND####
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 * =================================================================
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 * #####DESCRIPTIONBEGIN####
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 *
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 *  Author(s):    Anthony Tonizzo (atonizzo@gmail.com)
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 *  Contributors:
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 *  Date:         2006-06-12
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 *  Purpose:
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 *  Description:
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 *
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 * ####DESCRIPTIONEND####
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 *
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 * =================================================================
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 */
52 
#include <pkgconf/hal.h>
53 
#include <pkgconf/kernel.h>
54 
#include <cyg/hal/hal_tables.h>
55 
#include <cyg/fileio/fileio.h>
56 
#include <dirent.h>
57 
#include <network.h>
58 
 
59 
#include <string.h>
60 
#include <stdio.h>                     // sprintf().
61 
 
62 
#include <cyg/athttpd/http.h>
63 
#include <cyg/athttpd/socket.h>
64 
#include <cyg/athttpd/handler.h>
65 
#include <cyg/athttpd/forms.h>
66 
 
67 
#ifdef CYGOPT_NET_ATHTTPD_USE_DIRLIST
68 
static char folder_gif[] = {
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};
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static char doc_gif[] = {
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};
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static char back_gif[] = {
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    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
259 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
260 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
261 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
262 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
263 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
264 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
265 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
266 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
267 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
268 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
269 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
270 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
271 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
272 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
273 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
274 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
275 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
276 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
277 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
278 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
279 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
280 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
281 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
282 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
283 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
284 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
285 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
286 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
287 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
288 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
289 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
290 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
291 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
292 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00,
293 
    0x00, 0x00, 0x0a, 0x00, 0x09, 0x00, 0x00, 0x08,
294 
    0x3b, 0x00, 0x2d, 0x08, 0x1c, 0x68, 0x61, 0xc1,
295 
    0x83, 0x02, 0x04, 0x2d, 0x00, 0x20, 0x10, 0x80,
296 
    0xc2, 0x04, 0x82, 0x13, 0x28, 0x54, 0xa8, 0xe0,
297 
    0x50, 0x60, 0x02, 0x04, 0x13, 0x27, 0x56, 0x04,
298 
    0x70, 0x20, 0xa3, 0xc6, 0x87, 0x02, 0x1b, 0x30,
299 
    0xc8, 0x58, 0x71, 0x60, 0x04, 0x03, 0x10, 0x28,
300 
    0x82, 0x24, 0xa8, 0x60, 0x80, 0x84, 0x95, 0x09,
301 
    0x05, 0x38, 0x08, 0x08, 0x00, 0x3b
302 
};
303 
#endif
304 
 
305 
// =============================================================================
306 
// Internal resources
307 
// =============================================================================
308 
CYG_HAL_TABLE_BEGIN(cyg_httpd_ires_table, httpd_ires_table);
309 
CYG_HAL_TABLE_END(cyg_httpd_ires_table_end, httpd_ires_table);
310 
__externC cyg_httpd_ires_table_entry cyg_httpd_ires_table[];
311 
__externC cyg_httpd_ires_table_entry cyg_httpd_ires_table_end[];
312 
 
313 
#ifdef CYGOPT_NET_ATHTTPD_USE_DIRLIST
314 
// These threes internal resources are used for the directory listing.
315 
CYG_HTTPD_IRES_TABLE_ENTRY(cyg_httpd_ires_folder, \
316 
                           "/___folder__gif.gif", \
317 
                           folder_gif,            \
318 
                           sizeof(folder_gif));
319 
CYG_HTTPD_IRES_TABLE_ENTRY(cyg_httpd_ires_doc,    \
320 
                           "/___doc__gif.gif",    \
321 
                           doc_gif,               \
322 
                           sizeof(doc_gif));
323 
CYG_HTTPD_IRES_TABLE_ENTRY(cyg_httpd_ires_back,   \
324 
                           "/___back__gif.gif",   \
325 
                           back_gif,              \
326 
                           sizeof(back_gif));
327 
#endif
328 
 
329 
cyg_httpd_ires_table_entry *
330 
cyg_httpd_find_ires(char *path_name)
331 
{
332 
    cyg_httpd_ires_table_entry *entry = cyg_httpd_ires_table;
333 
 
334 
    while (entry != cyg_httpd_ires_table_end)
335 
    {
336 
        if (!strcasecmp((char*)path_name, entry->f_pname))
337 
            return entry;
338 
        entry++;
339 
    }
340 
 
341 
    return (cyg_httpd_ires_table_entry*)NULL;
342 
}
343 
 
344 
void
345 
cyg_httpd_send_ires(cyg_httpd_ires_table_entry *entry)
346 
{
347 
    httpstate.status_code  = CYG_HTTPD_STATUS_OK;
348 
 
349 
    // Here we'll look for extension to the file. Consider the case where
350 
    //  there might be more than one dot in the file name. We'll look for
351 
    //  the last dot, then we'll check the extension.
352 
    char *extension = rindex(entry->f_pname, '.');
353 
    if (extension == NULL)
354 
        // No extension in the file name.
355 
        httpstate.mime_type = 0;
356 
    else
357 
        httpstate.mime_type = cyg_httpd_find_mime_string(++extension);
358 
 
359 
    httpstate.payload_len  = entry->f_size;
360 
    cyg_int32 header_length = cyg_httpd_format_header();
361 
 
362 
    // As always, the header is always sent out.
363 
    send(httpstate.sockets[httpstate.client_index].descriptor,
364 
         httpstate.outbuffer,
365 
         header_length,
366 
         0);
367 
    if (httpstate.mode & CYG_HTTPD_MODE_SEND_HEADER_ONLY)
368 
        return;
369 
    cyg_httpd_write(entry->f_ptr, entry->f_size);
370 
}
371 
 
372 
// =============================================================================
373 
// C callbacks
374 
// =============================================================================
375 
CYG_HAL_TABLE_BEGIN(cyg_httpd_handler_table, httpd_handler_table);
376 
CYG_HAL_TABLE_END(cyg_httpd_handler_table_end, httpd_handler_table);
377 
 
378 
__externC cyg_httpd_handler_table_entry cyg_httpd_handler_table[];
379 
__externC cyg_httpd_handler_table_entry cyg_httpd_handler_table_end[];
380 
 
381 
handler
382 
cyg_httpd_find_handler(void)
383 
{
384 
    cyg_httpd_handler_table_entry *entry = cyg_httpd_handler_table;
385 
    while (entry != cyg_httpd_handler_table_end)
386 
    {
387 
        if (strcmp((const char*)httpstate.url, entry->path) == 0)
388 
            return entry->h;
389 
        entry++;
390 
    }
391 
 
392 
    return (handler)NULL;
393 
}
394 
 
395 
// =============================================================================
396 
// Directory listing
397 
// =============================================================================
398 
#ifdef CYGOPT_NET_ATHTTPD_USE_DIRLIST
399 
void
400 
cyg_httpd_print_directory_entry(char *path_name,
401 
                                struct stat *s,
402 
                                struct dirent *de)
403 
{
404 
    char fname[CYG_HTTPD_MAXPATH];
405 
    char time_str[32];
406 
    time_t last_mod = s->st_mtime;
407 
 
408 
    struct tm *mod_time = gmtime(&last_mod);
409 
    sprintf(time_str,
410 
            "%02d-%s-%04d %02d:%02d",
411 
            mod_time->tm_mday,
412 
            month_of_year[mod_time->tm_mon],
413 
            mod_time->tm_year + 1900,
414 
            mod_time->tm_hour,
415 
            mod_time->tm_min);
416 
 
417 
    if (S_ISREG(s->st_mode))
418 
    {
419 
        strcpy(fname, path_name);
420 
        if (fname[strlen(fname)-1] != '/')
421 
            strcat(fname, "/");
422 
        strcat(fname, de->d_name);
423 
        cyg_httpd_cleanup_filename(fname);
424 
        sprintf(httpstate.outbuffer,
425 
                "<tr><td><img src='/___doc__gif.gif'></td>"
426 
                "<td><a href='%s'>%s</a></td>"
427 
                "<td>&nbsp &nbsp &nbsp &nbsp &nbsp &nbsp</td>"
428 
                "<td>%s&nbsp;&nbsp;</td>"
429 
                "<td style='color:black'>%d</td></tr>",
430 
                fname,
431 
                de->d_name,
432 
                time_str,
433 
                (int)s->st_size);
434 
    }
435 
    else
436 
    {
437 
        strcpy(fname, "/");
438 
        strcat(fname, path_name);
439 
        if (fname[strlen(fname)-1] != '/')
440 
            strcat(fname, "/");
441 
        strcat(fname, de->d_name);
442 
        cyg_httpd_cleanup_filename(fname);
443 
        sprintf(httpstate.outbuffer,
444 
                "<tr><td><img src='/___folder__gif.gif'></td>"
445 
                "<td><a href='%s/'>%s</a></td>"
446 
                "<td>&nbsp &nbsp &nbsp &nbsp &nbsp &nbsp</td>"
447 
                "<td>%s&nbsp;&nbsp;</td>"
448 
                "<td style='color:black'></td></tr>",
449 
                fname,
450 
                de->d_name,
451 
                time_str);
452 
    }
453 
    cyg_httpd_write_chunked(httpstate.outbuffer, strlen(httpstate.outbuffer));
454 
}
455 
 
456 
void
457 
cyg_httpd_send_directory_listing(char *path_name)
458 
{
459 
    struct dirent next_file;
460 
    struct dirent last_printed;
461 
    struct stat s;
462 
    char fname[CYG_HTTPD_MAXPATH];
463 
 
464 
    cyg_httpd_start_chunked("html");
465 
    sprintf(httpstate.outbuffer,
466 
            "<html><body><h3>Index of %s</h3><p></p>"
467 
            "<table style='font-family:courier'>",
468 
            path_name);
469 
    cyg_httpd_write_chunked(httpstate.outbuffer, strlen(httpstate.outbuffer));
470 
 
471 
    sprintf(httpstate.outbuffer,
472 
            "<tr><td></td><td align='center' style='border-style:none none"
473 
            " solid none;border-width:thin'>Name</td>"
474 
            "<td style='border-style:none none solid none; border-width:thin'>"
475 
            "&nbsp &nbsp &nbsp &nbsp &nbsp &nbsp</td>"
476 
             "<td  align='center' style='border-style:none none solid none;"
477 
             " border-width:thin'>Last Modified</td>"
478 
             "<td style='border-style:none none solid none; border-width:thin'>"
479 
            "Size</td></tr>");
480 
    cyg_httpd_write_chunked(httpstate.outbuffer, strlen(httpstate.outbuffer));
481 
 
482 
    // Provide a pointer to the parent directory.
483 
    strcpy(fname, path_name);
484 
    if (fname[strlen(fname)-1] == '/')
485 
        fname[strlen(fname)-1] = '\0';
486 
    char *slash = rindex(fname, '/');
487 
    slash[1] = '\0';
488 
    sprintf(httpstate.outbuffer,
489 
            "<tr><td><img src='/___back__gif.gif'></td></td>"
490 
            "<td><a href='%s' style='color:red'>Parent "
491 
            "Directory</a></td>"
492 
            "<td>&nbsp &nbsp &nbsp &nbsp &nbsp &nbsp</td>"
493 
            "<td>&nbsp &nbsp &nbsp &nbsp &nbsp &nbsp</td>"
494 
            "<td style='color:black'>-</td></tr>",
495 
            fname);
496 
    cyg_httpd_write_chunked(httpstate.outbuffer, strlen(httpstate.outbuffer));
497 
 
498 
    strcpy(fname, CYGDAT_NET_ATHTTPD_SERVEROPT_ROOTDIR);
499 
    if (fname[strlen(fname)-1] != '/')
500 
        strcat(fname, "/");
501 
    strcat(fname, path_name);
502 
    if (fname[strlen(fname)-1] != '/')
503 
        strcat(fname, "/");
504 
    cyg_httpd_cleanup_filename(fname);
505 
    int abs_path_len = strlen(fname);
506 
 
507 
    DIR* pdir = opendir(fname);
508 
    struct dirent *dirent = readdir(pdir);
509 
 
510 
    // First time for the directories.
511 
    rewinddir(pdir);
512 
    memset((void*)&last_printed, 0, sizeof(struct dirent));
513 
    dirent = readdir(pdir);
514 
    int new_entry = 1;
515 
    while (1)
516 
    {
517 
        memset((void*)&next_file, 0, sizeof(struct dirent));
518 
        new_entry = 0;
519 
        while(dirent)
520 
        {
521 
            if (strcmp(dirent->d_name, "..") &&
522 
                                     strcmp(dirent->d_name, "."))
523 
                if ((next_file.d_name[0] == '\0') ||
524 
                      (strcmp(next_file.d_name, dirent->d_name) > 0))
525 
                    if ((last_printed.d_name[0] == '\0') ||
526 
                      (strcmp(last_printed.d_name, dirent->d_name) < 0))
527 
                    {
528 
                        fname[abs_path_len] = '\0';
529 
                        strcat(fname, dirent->d_name);
530 
                        struct stat sp;
531 
                        stat(fname, &sp);
532 
                        if (S_ISDIR(sp.st_mode))
533 
                        {
534 
                            memcpy(&next_file, dirent, sizeof(struct dirent));
535 
                            memcpy(&s, &sp, sizeof(struct stat));
536 
                            new_entry = 1;
537 
                        }
538 
                    }
539 
            dirent = readdir(pdir);
540 
        }
541 
        if (new_entry == 0)
542 
            break;
543 
        cyg_httpd_print_directory_entry(path_name, &s, &next_file);
544 
        memcpy(&last_printed, &next_file, sizeof(struct dirent));
545 
        rewinddir(pdir);
546 
        dirent = readdir(pdir);
547 
    }
548 
 
549 
    // A second time for the files.
550 
    rewinddir(pdir);
551 
    memset((void*)&last_printed, 0, sizeof(struct dirent));
552 
    dirent = readdir(pdir);
553 
    new_entry = 1;
554 
    while (1)
555 
    {
556 
        memset((void*)&next_file, 0, sizeof(struct dirent));
557 
        new_entry = 0;
558 
        while(dirent)
559 
        {
560 
            if (strcmp(dirent->d_name, "..") &&
561 
                                     strcmp(dirent->d_name, "."))
562 
                if ((next_file.d_name[0] == '\0') ||
563 
                      (strcmp(next_file.d_name, dirent->d_name) > 0))
564 
                    if ((last_printed.d_name[0] == '\0') ||
565 
                      (strcmp(last_printed.d_name, dirent->d_name) < 0))
566 
                    {
567 
                        fname[abs_path_len] = '\0';
568 
                        strcat(fname, dirent->d_name);
569 
                        struct stat sp;
570 
                        stat(fname, &sp);
571 
                        if (S_ISREG(sp.st_mode))
572 
                        {
573 
                            memcpy(&next_file, dirent, sizeof(struct dirent));
574 
                            memcpy(&s, &sp, sizeof(struct stat));
575 
                            new_entry = 1;
576 
                        }
577 
                    }
578 
            dirent = readdir(pdir);
579 
        }
580 
        if (new_entry == 0)
581 
            break;
582 
        cyg_httpd_print_directory_entry(path_name, &s, &next_file);
583 
        memcpy(&last_printed, &next_file, sizeof(struct dirent));
584 
        rewinddir(pdir);
585 
        dirent = readdir(pdir);
586 
    }
587 
 
588 
    strcpy(httpstate.outbuffer, "</table><html><body>");
589 
    cyg_httpd_write_chunked(httpstate.outbuffer, strlen(httpstate.outbuffer));
590 
    cyg_httpd_end_chunked();
591 
    closedir(pdir);
592 
}
593 
#endif

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