267 lines
6.3 KiB
C
267 lines
6.3 KiB
C
/****************************************************************************
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* apps/netutils/webserver/httpd_dirlist.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included 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 <sys/utsname.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 <stdint.h>
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#include <stdio.h>
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#include <assert.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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#ifdef CONFIG_ARCH_BOARD_CUSTOM
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# ifndef CONFIG_ARCH_BOARD_CUSTOM_NAME
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# define BOARD_NAME g_unknown
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# else
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# define BOARD_NAME CONFIG_ARCH_BOARD_CUSTOM_NAME
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# endif
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#else
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# ifndef CONFIG_ARCH_BOARD
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# define BOARD_NAME g_unknown
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# else
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# define BOARD_NAME CONFIG_ARCH_BOARD
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# endif
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#endif
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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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"<address>uIP web server (%s %s %s %s %s) </address>\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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/****************************************************************************
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* Name: httpd_is_file
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****************************************************************************/
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bool httpd_is_file(FAR const char *filename)
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{
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char *path;
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int fd;
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bool ret = false;
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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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CONFIG_NETUTILS_HTTPD_PATH, filename);
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fd = open(path, O_RDONLY);
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if (-1 != fd)
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{
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close(fd);
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ret = true;
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}
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free(path);
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return ret;
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}
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/****************************************************************************
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* Name: httpd_dirlist
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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 utsname info;
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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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ret = asprintf(&path, "%s/%s", file->path, dent->d_name);
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ASSERT(ret > 0 && path);
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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), "%jd",
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(uintmax_t)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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memset(&info, 0, sizeof(info));
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uname(&info);
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snprintf(tmp, BUF_SIZE, FOOTER,
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info.sysname,
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info.release,
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info.version,
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info.machine,
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BOARD_NAME);
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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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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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