dir-index-bozo.c revision 1.9
1 /* $NetBSD: dir-index-bozo.c,v 1.9 2010/08/16 10:00:56 dogcow Exp $ */ 2 3 /* $eterna: dir-index-bozo.c,v 1.17 2010/05/10 02:51:28 mrg Exp $ */ 4 5 /* 6 * Copyright (c) 1997-2010 Matthew R. Green 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer and 16 * dedication in the documentation and/or other materials provided 17 * with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 */ 32 33 /* this code implements directory index generation for bozohttpd */ 34 35 #ifndef NO_DIRINDEX_SUPPORT 36 37 #include <sys/param.h> 38 39 #include <dirent.h> 40 #include <errno.h> 41 #include <string.h> 42 #include <stdlib.h> 43 #include <time.h> 44 #include <assert.h> 45 46 #include "bozohttpd.h" 47 48 static void 49 directory_hr(bozohttpd_t *httpd) 50 { 51 52 bozo_printf(httpd, 53 "<hr noshade align=\"left\" width=\"80%%\">\r\n\r\n"); 54 } 55 56 /* 57 * output a directory index. return 1 if it actually did something.. 58 */ 59 int 60 bozo_dir_index(bozo_httpreq_t *request, const char *dirname, int isindex) 61 { 62 bozohttpd_t *httpd = request->hr_httpd; 63 struct stat sb; 64 struct dirent **de; 65 struct tm *tm; 66 DIR *dp; 67 char buf[MAXPATHLEN]; 68 char spacebuf[48]; 69 char *file = NULL; 70 int l, j, i; 71 72 if (!isindex || !httpd->dir_indexing) 73 return 0; 74 75 if (strlen(dirname) <= strlen(httpd->index_html)) 76 dirname = "."; 77 else { 78 file = bozostrdup(httpd, dirname); 79 80 file[strlen(file) - strlen(httpd->index_html)] = '\0'; 81 dirname = file; 82 } 83 debug((httpd, DEBUG_FAT, "bozo_dir_index: dirname ``%s''", dirname)); 84 if (stat(dirname, &sb) < 0 || 85 (dp = opendir(dirname)) == NULL) { 86 if (errno == EPERM) 87 (void)bozo_http_error(httpd, 403, request, 88 "no permission to open directory"); 89 else if (errno == ENOENT) 90 (void)bozo_http_error(httpd, 404, request, "no file"); 91 else 92 (void)bozo_http_error(httpd, 500, request, 93 "open directory"); 94 goto done; 95 /* NOTREACHED */ 96 } 97 98 bozo_printf(httpd, "%s 200 OK\r\n", request->hr_proto); 99 100 if (request->hr_proto != httpd->consts.http_09) { 101 bozo_print_header(request, NULL, "text/html", ""); 102 bozo_printf(httpd, "\r\n"); 103 } 104 bozo_flush(httpd, stdout); 105 106 if (request->hr_method == HTTP_HEAD) { 107 closedir(dp); 108 goto done; 109 } 110 111 bozo_printf(httpd, 112 "<html><head><title>Index of %s</title></head>\r\n", 113 request->hr_file); 114 bozo_printf(httpd, "<body><h1>Index of %s</h1>\r\n", 115 request->hr_file); 116 bozo_printf(httpd, "<pre>\r\n"); 117 #define NAMELEN 40 118 #define LMODLEN 19 119 bozo_printf(httpd, "Name " 120 "Last modified " 121 "Size\n"); 122 bozo_printf(httpd, "</pre>"); 123 directory_hr(httpd); 124 bozo_printf(httpd, "<pre>"); 125 126 for (j = scandir(dirname, &de, NULL, alphasort); j--; de++) { 127 int nostat = 0; 128 char *name = (*de)->d_name; 129 130 if (strcmp(name, ".") == 0 || 131 (strcmp(name, "..") != 0 && 132 httpd->hide_dots && name[0] == '.')) 133 continue; 134 135 snprintf(buf, sizeof buf, "%s/%s", dirname, name); 136 if (stat(buf, &sb)) 137 nostat = 1; 138 139 l = 0; 140 141 if (strcmp(name, "..") == 0) { 142 bozo_printf(httpd, "<a href=\"../\">"); 143 l += bozo_printf(httpd, "Parent Directory"); 144 } else if (S_ISDIR(sb.st_mode)) { 145 bozo_printf(httpd, "<a href=\"%s/\">", name); 146 l += bozo_printf(httpd, "%s/", name); 147 } else { 148 bozo_printf(httpd, "<a href=\"%s\">", name); 149 l += bozo_printf(httpd, "%s", name); 150 } 151 bozo_printf(httpd, "</a>"); 152 153 /* NAMELEN spaces */ 154 /*LINTED*/ 155 assert(/*CONSTCOND*/sizeof(spacebuf) > NAMELEN); 156 i = (l < NAMELEN) ? (NAMELEN - l) : 0; 157 i++; 158 memset(spacebuf, ' ', (size_t)i); 159 spacebuf[i] = '\0'; 160 bozo_printf(httpd, spacebuf); 161 l += i; 162 163 if (nostat) 164 bozo_printf(httpd, "? ?"); 165 else { 166 tm = gmtime(&sb.st_mtime); 167 strftime(buf, sizeof buf, "%d-%b-%Y %R", tm); 168 l += bozo_printf(httpd, "%s", buf); 169 170 /* LMODLEN spaces */ 171 /*LINTED*/ 172 assert(/*CONSTCOND*/sizeof(spacebuf) > LMODLEN); 173 i = (l < (LMODLEN+NAMELEN+1)) ? 174 ((LMODLEN+NAMELEN+1) - l) : 0; 175 i++; 176 memset(spacebuf, ' ', (size_t)i); 177 spacebuf[i] = '\0'; 178 bozo_printf(httpd, spacebuf); 179 180 bozo_printf(httpd, "%7ukB", 181 ((unsigned)((unsigned)(sb.st_size) >> 10))); 182 } 183 bozo_printf(httpd, "\r\n"); 184 } 185 186 if (de) 187 free(de); 188 closedir(dp); 189 bozo_printf(httpd, "</pre>"); 190 directory_hr(httpd); 191 bozo_printf(httpd, "</body></html>\r\n\r\n"); 192 bozo_flush(httpd, stdout); 193 194 done: 195 if (file) 196 free(file); 197 return 1; 198 } 199 #endif /* NO_DIRINDEX_SUPPORT */ 200 201
Indexes created Wed Sep 24 05:09:52 GMT 2025