/* $NetBSD: dir-index-bozo.c,v 1.8 2010/05/10 03:37:45 mrg Exp $ */ /* $eterna: dir-index-bozo.c,v 1.17 2010/05/10 02:51:28 mrg Exp $ */ /* * Copyright (c) 1997-2010 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 #include #include #include #include #include #include #include "bozohttpd.h" static void directory_hr(bozohttpd_t *httpd) { bozo_printf(httpd, "

\r\n\r\n"); } /* * output a directory index. return 1 if it actually did something.. */ int bozo_dir_index(bozo_httpreq_t *request, const char *dirname, int isindex) { bozohttpd_t *httpd = request->hr_httpd; struct stat sb; struct dirent *de; struct tm *tm; DIR *dp; char buf[MAXPATHLEN]; char spacebuf[48]; char *file = NULL; int l, i; if (!isindex || !httpd->dir_indexing) return 0; if (strlen(dirname) <= strlen(httpd->index_html)) dirname = "."; else { file = bozostrdup(httpd, dirname); file[strlen(file) - strlen(httpd->index_html)] = '\0'; dirname = file; } debug((httpd, DEBUG_FAT, "bozo_dir_index: dirname ``%s''", dirname)); if (stat(dirname, &sb) < 0 || (dp = opendir(dirname)) == NULL) { if (errno == EPERM) (void)bozo_http_error(httpd, 403, request, "no permission to open directory"); else if (errno == ENOENT) (void)bozo_http_error(httpd, 404, request, "no file"); else (void)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; } bozo_printf(httpd, "Index of %s\r\n", request->hr_file); bozo_printf(httpd, "

Index of %s

\r\n", request->hr_file); bozo_printf(httpd, "

\r\n");
#define NAMELEN 40
#define LMODLEN 19
	bozo_printf(httpd, "Name                                     "
	    "Last modified          "
	    "Size\n");
	bozo_printf(httpd, "

"); directory_hr(httpd); bozo_printf(httpd, "

");

	while ((de = readdir(dp)) != NULL) {
		int nostat = 0;
		char *name = de->d_name;

		if (strcmp(name, ".") == 0 || 
		    (strcmp(name, "..") != 0 &&
		     httpd->hide_dots && name[0] == '.'))
			continue;

		snprintf(buf, sizeof buf, "%s/%s", dirname, name);
		if (stat(buf, &sb))
			nostat = 1;

		l = 0;

		if (strcmp(name, "..") == 0) {
			bozo_printf(httpd, "");
			l += bozo_printf(httpd, "Parent Directory");
		} else if (S_ISDIR(sb.st_mode)) {
			bozo_printf(httpd, "", name);
			l += bozo_printf(httpd, "%s/", name);
		} else {
			bozo_printf(httpd, "", name);
			l += bozo_printf(httpd, "%s", name);
		}
		bozo_printf(httpd, "");

		/* NAMELEN spaces */
		/*LINTED*/
		assert(/*CONSTCOND*/sizeof(spacebuf) > NAMELEN);
		i = (l < NAMELEN) ? (NAMELEN - l) : 0;
		i++;
		memset(spacebuf, ' ', (size_t)i);
		spacebuf[i] = '\0';
		bozo_printf(httpd, spacebuf);
		l += i;

		if (nostat)
			bozo_printf(httpd, "?                         ?");
		else {
			tm = gmtime(&sb.st_mtime);
			strftime(buf, sizeof buf, "%d-%b-%Y %R", tm);
			l += bozo_printf(httpd, "%s", buf);

			/* LMODLEN spaces */
			/*LINTED*/
			assert(/*CONSTCOND*/sizeof(spacebuf) > LMODLEN);
			i = (l < (LMODLEN+NAMELEN+1)) ?
				((LMODLEN+NAMELEN+1) - l) : 0;
			i++;
			memset(spacebuf, ' ', (size_t)i);
			spacebuf[i] = '\0';
			bozo_printf(httpd, spacebuf);

			bozo_printf(httpd, "%7ukB",
			    ((unsigned)((unsigned)(sb.st_size) >> 10)));
		}
		bozo_printf(httpd, "\r\n");
	}

	closedir(dp);
	bozo_printf(httpd, "

"); directory_hr(httpd); bozo_printf(httpd, "\r\n\r\n"); bozo_flush(httpd, stdout); done: if (file) free(file); return 1; } #endif /* NO_DIRINDEX_SUPPORT */