226 lines
5.8 KiB
C
226 lines
5.8 KiB
C
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/****************************************************************************
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* netutils/webserver/httpd_dirlist.c
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*
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* Copyright 2019 Sony Home Entertainment & Sound Products Inc.
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* Author: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Header Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <limits.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <errno.h>
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#include <debug.h>
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#include <string.h>
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#include <dirent.h>
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#include <stdlib.h>
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#include "netutils/httpd.h"
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#include "httpd.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define BUF_SIZE 1024
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#define HEADER \
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"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n" \
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"<html>\n" \
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"<head>\n"
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#define TITLE \
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" <title>Index of /%s</title>\n" \
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"</head>\n" \
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"<body>\n" \
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"<h2>Index of /%s</h2>\n" \
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"<table>\n"
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#define TABLE \
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" <tr><th valign=\"top\"></th><th>Name</a></th><th>Last modified</a>" \
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"</th><th>Size</a></th></tr>\n" \
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" <tr><th colspan=\"4\"><hr></th></tr>\n"
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#define PARENT \
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" <tr><td valign=\"top\"></td><td><a href=\"..\">../</a></td>\n" \
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" <td align=\"right\"> - </td>" \
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"<td align=\"right\"> - </td><td> </td></tr>\n"
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#define ENTRY \
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" <tr><td valign=\"top\"></td><td><a href=\"%s%s\">%s%s</a></td>\n" \
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" <td align=\"right\">%4d-%02d-%02d %02d:%02d</td>" \
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"<td align=\"right\"> %s </td><td> </td></tr>\n"
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#define FOOTER \
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" <tr><th colspan=\"4\"><hr></th></tr>\n" \
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"</table>\n" \
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"</body>\n" \
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"</html>\n"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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ssize_t httpd_dirlist(int outfd, FAR struct httpd_fs_file *file)
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{
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struct dirent *dent;
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struct stat buf;
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struct tm tm;
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ssize_t total;
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ssize_t ret;
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char size[16];
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char *path;
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char *tmp;
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DIR *dir;
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total = 0;
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tmp = (char *)calloc(1, BUF_SIZE);
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ASSERT(tmp);
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/* exclude document root path */
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path = file->path + sizeof(CONFIG_NETUTILS_HTTPD_PATH);
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/* compose hdr/title/path/table and write them */
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if ('\0' == *path)
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{
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snprintf(tmp, BUF_SIZE, HEADER TITLE TABLE,
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"", "");
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}
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else
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{
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snprintf(tmp, BUF_SIZE, HEADER TITLE TABLE PARENT,
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path, path);
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}
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ret = write(outfd, tmp, strlen(tmp));
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if (-1 == ret)
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{
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goto errout;
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}
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total += ret;
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dir = opendir(file->path);
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if (NULL == dir)
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{
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goto errout_with_hdr;
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}
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while (true)
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{
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dent = readdir(dir);
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if (NULL == dent)
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{
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break;
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}
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path = malloc(CONFIG_NAME_MAX);
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ASSERT(path);
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snprintf(path, CONFIG_NAME_MAX, "%s/%s",
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file->path, dent->d_name);
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/* call stat() to obtain modified time and size */
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ret = stat(path, &buf);
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ASSERT(0 == ret);
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free(path);
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localtime_r(&buf.st_mtime, &tm);
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/* compose an entry name for directory or file */
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if (dent->d_type == DTYPE_DIRECTORY)
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{
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snprintf(tmp, BUF_SIZE, ENTRY,
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dent->d_name, "/", dent->d_name, "/",
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tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
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tm.tm_hour, tm.tm_min,
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"-"
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);
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}
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else
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{
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snprintf(size, sizeof(size), "%d",
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buf.st_size);
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snprintf(tmp, BUF_SIZE, ENTRY,
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dent->d_name, "", dent->d_name, "",
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tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
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tm.tm_hour, tm.tm_min,
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size
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);
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}
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ret = write(outfd, tmp, strlen(tmp));
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if (-1 == ret)
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{
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break;
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}
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total += ret;
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}
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closedir(dir);
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errout_with_hdr:
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ret = write(outfd, FOOTER, sizeof(FOOTER));
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if (-1 != ret)
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{
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total += ret;
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}
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ret = total;
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errout:
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free(tmp);
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return ret;
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}
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