229 lines
6.5 KiB
C
229 lines
6.5 KiB
C
/* $NetBSD: dir-index-bozo.c,v 1.35 2022/03/14 05:06:59 mrg Exp $ */
|
|
|
|
/* $eterna: dir-index-bozo.c,v 1.20 2011/11/18 09:21:15 mrg Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1997-2020 Matthew R. Green
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer and
|
|
* dedication in the documentation and/or other materials provided
|
|
* with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
/* this code implements directory index generation for bozohttpd */
|
|
|
|
#ifndef NO_DIRINDEX_SUPPORT
|
|
|
|
#include <sys/param.h>
|
|
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <assert.h>
|
|
|
|
#include "bozohttpd.h"
|
|
|
|
/*
|
|
* output a directory index. return 1 if it actually did something..
|
|
*/
|
|
int
|
|
bozo_dir_index(bozo_httpreq_t *request, const char *dirpath, int isindex)
|
|
{
|
|
bozohttpd_t *httpd = request->hr_httpd;
|
|
struct stat sb;
|
|
struct dirent **de, **deo;
|
|
DIR *dp;
|
|
char buf[MAXPATHLEN];
|
|
char *file = NULL, *printname = NULL, *p;
|
|
int k, j, fd;
|
|
ssize_t rlen;
|
|
|
|
if (!isindex || !httpd->dir_indexing)
|
|
return 0;
|
|
|
|
if (strlen(dirpath) <= strlen(httpd->index_html))
|
|
dirpath = ".";
|
|
else {
|
|
file = bozostrdup(httpd, request, dirpath);
|
|
|
|
file[strlen(file) - strlen(httpd->index_html)] = '\0';
|
|
dirpath = file;
|
|
}
|
|
debug((httpd, DEBUG_FAT, "bozo_dir_index: dirpath '%s'", dirpath));
|
|
if (stat(dirpath, &sb) < 0 ||
|
|
(dp = opendir(dirpath)) == NULL) {
|
|
if (errno == EPERM)
|
|
bozo_http_error(httpd, 403, request,
|
|
"no permission to open directory");
|
|
else if (errno == ENOENT)
|
|
bozo_http_error(httpd, 404, request, "no file");
|
|
else
|
|
bozo_http_error(httpd, 500, request, "open directory");
|
|
goto done;
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
bozo_printf(httpd, "%s 200 OK\r\n", request->hr_proto);
|
|
|
|
if (request->hr_proto != httpd->consts.http_09) {
|
|
bozo_print_header(request, NULL, "text/html", "");
|
|
bozo_printf(httpd, "\r\n");
|
|
}
|
|
bozo_flush(httpd, stdout);
|
|
|
|
if (request->hr_method == HTTP_HEAD) {
|
|
closedir(dp);
|
|
goto done;
|
|
}
|
|
|
|
#ifndef NO_USER_SUPPORT
|
|
if (request->hr_user) {
|
|
bozoasprintf(httpd, &printname, "~%s/%s",
|
|
request->hr_user, request->hr_file);
|
|
} else
|
|
printname = bozostrdup(httpd, request, request->hr_file);
|
|
#else
|
|
printname = bozostrdup(httpd, request, request->hr_file);
|
|
#endif /* !NO_USER_SUPPORT */
|
|
if ((p = strstr(printname, httpd->index_html)) != NULL) {
|
|
if (strcmp(printname, httpd->index_html) == 0)
|
|
strcpy(printname, "/"); /* is ``slashdir'' */
|
|
else
|
|
*p = '\0'; /* strip unwanted ``index_html'' */
|
|
}
|
|
if ((p = bozo_escape_html(httpd, printname)) != NULL) {
|
|
free(printname);
|
|
printname = p;
|
|
}
|
|
|
|
bozo_printf(httpd,
|
|
"<!DOCTYPE html>\r\n"
|
|
"<html><head><meta charset=\"utf-8\"/>\r\n"
|
|
"<style type=\"text/css\">\r\n"
|
|
"table {\r\n"
|
|
"\tborder-top: 1px solid black;\r\n"
|
|
"\tborder-bottom: 1px solid black;\r\n"
|
|
"}\r\n"
|
|
"th { background: aquamarine; }\r\n"
|
|
"tr:nth-child(even) { background: lavender; }\r\n"
|
|
"</style>\r\n");
|
|
bozo_printf(httpd, "<title>Index of %s</title></head>\r\n",
|
|
printname);
|
|
bozo_printf(httpd, "<body><h1>Index of %s</h1>\r\n",
|
|
printname);
|
|
bozo_printf(httpd,
|
|
"<table cols=3>\r\n<thead>\r\n"
|
|
"<tr><th>Name<th>Last modified<th align=right>Size\r\n"
|
|
"<tbody>\r\n");
|
|
|
|
for (j = k = scandir(dirpath, &de, NULL, alphasort), deo = de;
|
|
j-- > 0; de++) {
|
|
int nostat = 0;
|
|
char *name = (*de)->d_name;
|
|
char *urlname, *htmlname;
|
|
|
|
if (strcmp(name, ".") == 0 ||
|
|
(strcmp(name, "..") != 0 &&
|
|
httpd->hide_dots && name[0] == '.'))
|
|
continue;
|
|
|
|
if (bozo_check_special_files(request, name, false))
|
|
continue;
|
|
|
|
snprintf(buf, sizeof buf, "%s/%s", dirpath, name);
|
|
if (stat(buf, &sb))
|
|
nostat = 1;
|
|
|
|
urlname = bozo_escape_rfc3986(httpd, name, 0);
|
|
htmlname = bozo_escape_html(httpd, name);
|
|
if (htmlname == NULL)
|
|
htmlname = name;
|
|
bozo_printf(httpd, "<tr><td>");
|
|
if (strcmp(name, "..") == 0) {
|
|
bozo_printf(httpd, "<a href=\"../\">");
|
|
bozo_printf(httpd, "Parent Directory");
|
|
} else if (!nostat && S_ISDIR(sb.st_mode)) {
|
|
bozo_printf(httpd, "<a href=\"%s/\">", urlname);
|
|
bozo_printf(httpd, "%s/", htmlname);
|
|
} else if (strchr(name, ':') != NULL) {
|
|
/* RFC 3986 4.2 */
|
|
bozo_printf(httpd, "<a href=\"./%s\">", urlname);
|
|
bozo_printf(httpd, "%s", htmlname);
|
|
} else {
|
|
bozo_printf(httpd, "<a href=\"%s\">", urlname);
|
|
bozo_printf(httpd, "%s", htmlname);
|
|
}
|
|
if (htmlname != name)
|
|
free(htmlname);
|
|
bozo_printf(httpd, "</a>");
|
|
|
|
if (nostat)
|
|
bozo_printf(httpd, "<td>?<td>?\r\n");
|
|
else {
|
|
unsigned long long len;
|
|
|
|
strftime(buf, sizeof buf, "%d-%b-%Y %R", gmtime(&sb.st_mtime));
|
|
bozo_printf(httpd, "<td>%s", buf);
|
|
|
|
len = ((unsigned long long)sb.st_size + 1023) / 1024;
|
|
bozo_printf(httpd, "<td align=right>%llukB", len);
|
|
}
|
|
bozo_printf(httpd, "\r\n");
|
|
}
|
|
|
|
closedir(dp);
|
|
while (k--)
|
|
free(deo[k]);
|
|
free(deo);
|
|
bozo_printf(httpd, "</table>\r\n");
|
|
if (httpd->dir_readme != NULL) {
|
|
if (httpd->dir_readme[0] == '/')
|
|
snprintf(buf, sizeof buf, "%s", httpd->dir_readme);
|
|
else
|
|
snprintf(buf, sizeof buf, "%s/%s", dirpath, httpd->dir_readme);
|
|
fd = open(buf, O_RDONLY);
|
|
if (fd != -1) {
|
|
bozo_flush(httpd, stdout);
|
|
do {
|
|
rlen = read(fd, buf, sizeof buf);
|
|
if (rlen <= 0)
|
|
break;
|
|
bozo_write(httpd, STDOUT_FILENO, buf, rlen);
|
|
} while (1);
|
|
close(fd);
|
|
}
|
|
}
|
|
bozo_printf(httpd, "</body></html>\r\n\r\n");
|
|
bozo_flush(httpd, stdout);
|
|
|
|
done:
|
|
free(file);
|
|
free(printname);
|
|
return 1;
|
|
}
|
|
#endif /* NO_DIRINDEX_SUPPORT */
|