dir-index-bozo.c revision 1.13
1 1.13 mrg /* $NetBSD: dir-index-bozo.c,v 1.13 2011/11/18 09:51:31 mrg Exp $ */ 2 1.2 tls 3 1.13 mrg /* $eterna: dir-index-bozo.c,v 1.20 2011/11/18 09:21:15 mrg Exp $ */ 4 1.1 tls 5 1.1 tls /* 6 1.13 mrg * Copyright (c) 1997-2011 Matthew R. Green 7 1.1 tls * All rights reserved. 8 1.1 tls * 9 1.1 tls * Redistribution and use in source and binary forms, with or without 10 1.1 tls * modification, are permitted provided that the following conditions 11 1.1 tls * are met: 12 1.1 tls * 1. Redistributions of source code must retain the above copyright 13 1.1 tls * notice, this list of conditions and the following disclaimer. 14 1.1 tls * 2. Redistributions in binary form must reproduce the above copyright 15 1.1 tls * notice, this list of conditions and the following disclaimer and 16 1.1 tls * dedication in the documentation and/or other materials provided 17 1.1 tls * with the distribution. 18 1.1 tls * 19 1.1 tls * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 1.1 tls * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 1.1 tls * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 1.1 tls * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 1.1 tls * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 1.1 tls * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 1.1 tls * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26 1.1 tls * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 27 1.1 tls * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 1.1 tls * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 1.1 tls * SUCH DAMAGE. 30 1.1 tls * 31 1.1 tls */ 32 1.1 tls 33 1.1 tls /* this code implements directory index generation for bozohttpd */ 34 1.1 tls 35 1.1 tls #ifndef NO_DIRINDEX_SUPPORT 36 1.1 tls 37 1.1 tls #include <sys/param.h> 38 1.1 tls 39 1.1 tls #include <dirent.h> 40 1.1 tls #include <errno.h> 41 1.1 tls #include <string.h> 42 1.6 mrg #include <stdlib.h> 43 1.1 tls #include <time.h> 44 1.1 tls #include <assert.h> 45 1.1 tls 46 1.1 tls #include "bozohttpd.h" 47 1.1 tls 48 1.3 ad static void 49 1.8 mrg directory_hr(bozohttpd_t *httpd) 50 1.3 ad { 51 1.3 ad 52 1.8 mrg bozo_printf(httpd, 53 1.8 mrg "<hr noshade align=\"left\" width=\"80%%\">\r\n\r\n"); 54 1.3 ad } 55 1.3 ad 56 1.1 tls /* 57 1.1 tls * output a directory index. return 1 if it actually did something.. 58 1.1 tls */ 59 1.1 tls int 60 1.8 mrg bozo_dir_index(bozo_httpreq_t *request, const char *dirname, int isindex) 61 1.1 tls { 62 1.8 mrg bozohttpd_t *httpd = request->hr_httpd; 63 1.1 tls struct stat sb; 64 1.10 dogcow struct dirent **de, **deo; 65 1.1 tls struct tm *tm; 66 1.1 tls DIR *dp; 67 1.1 tls char buf[MAXPATHLEN]; 68 1.1 tls char spacebuf[48]; 69 1.6 mrg char *file = NULL; 70 1.10 dogcow int l, k, j, i; 71 1.1 tls 72 1.8 mrg if (!isindex || !httpd->dir_indexing) 73 1.1 tls return 0; 74 1.1 tls 75 1.8 mrg if (strlen(dirname) <= strlen(httpd->index_html)) 76 1.1 tls dirname = "."; 77 1.1 tls else { 78 1.8 mrg file = bozostrdup(httpd, dirname); 79 1.1 tls 80 1.8 mrg file[strlen(file) - strlen(httpd->index_html)] = '\0'; 81 1.1 tls dirname = file; 82 1.1 tls } 83 1.8 mrg debug((httpd, DEBUG_FAT, "bozo_dir_index: dirname ``%s''", dirname)); 84 1.1 tls if (stat(dirname, &sb) < 0 || 85 1.1 tls (dp = opendir(dirname)) == NULL) { 86 1.1 tls if (errno == EPERM) 87 1.8 mrg (void)bozo_http_error(httpd, 403, request, 88 1.1 tls "no permission to open directory"); 89 1.1 tls else if (errno == ENOENT) 90 1.8 mrg (void)bozo_http_error(httpd, 404, request, "no file"); 91 1.1 tls else 92 1.8 mrg (void)bozo_http_error(httpd, 500, request, 93 1.8 mrg "open directory"); 94 1.6 mrg goto done; 95 1.1 tls /* NOTREACHED */ 96 1.1 tls } 97 1.1 tls 98 1.8 mrg bozo_printf(httpd, "%s 200 OK\r\n", request->hr_proto); 99 1.1 tls 100 1.8 mrg if (request->hr_proto != httpd->consts.http_09) { 101 1.8 mrg bozo_print_header(request, NULL, "text/html", ""); 102 1.8 mrg bozo_printf(httpd, "\r\n"); 103 1.1 tls } 104 1.8 mrg bozo_flush(httpd, stdout); 105 1.1 tls 106 1.1 tls if (request->hr_method == HTTP_HEAD) { 107 1.1 tls closedir(dp); 108 1.6 mrg goto done; 109 1.1 tls } 110 1.1 tls 111 1.8 mrg bozo_printf(httpd, 112 1.8 mrg "<html><head><title>Index of %s</title></head>\r\n", 113 1.8 mrg request->hr_file); 114 1.8 mrg bozo_printf(httpd, "<body><h1>Index of %s</h1>\r\n", 115 1.8 mrg request->hr_file); 116 1.8 mrg bozo_printf(httpd, "<pre>\r\n"); 117 1.1 tls #define NAMELEN 40 118 1.1 tls #define LMODLEN 19 119 1.8 mrg bozo_printf(httpd, "Name " 120 1.1 tls "Last modified " 121 1.1 tls "Size\n"); 122 1.8 mrg bozo_printf(httpd, "</pre>"); 123 1.8 mrg directory_hr(httpd); 124 1.8 mrg bozo_printf(httpd, "<pre>"); 125 1.1 tls 126 1.10 dogcow for (j = k = scandir(dirname, &de, NULL, alphasort), deo = de; 127 1.10 dogcow j--; de++) { 128 1.1 tls int nostat = 0; 129 1.9 dogcow char *name = (*de)->d_name; 130 1.1 tls 131 1.9 dogcow if (strcmp(name, ".") == 0 || 132 1.8 mrg (strcmp(name, "..") != 0 && 133 1.8 mrg httpd->hide_dots && name[0] == '.')) 134 1.1 tls continue; 135 1.1 tls 136 1.1 tls snprintf(buf, sizeof buf, "%s/%s", dirname, name); 137 1.1 tls if (stat(buf, &sb)) 138 1.1 tls nostat = 1; 139 1.1 tls 140 1.1 tls l = 0; 141 1.1 tls 142 1.1 tls if (strcmp(name, "..") == 0) { 143 1.8 mrg bozo_printf(httpd, "<a href=\"../\">"); 144 1.8 mrg l += bozo_printf(httpd, "Parent Directory"); 145 1.1 tls } else if (S_ISDIR(sb.st_mode)) { 146 1.8 mrg bozo_printf(httpd, "<a href=\"%s/\">", name); 147 1.8 mrg l += bozo_printf(httpd, "%s/", name); 148 1.12 reed } else if (strchr(name, ':') != NULL) { 149 1.12 reed /* RFC 3986 4.2 */ 150 1.12 reed bozo_printf(httpd, "<a href=\"./%s\">", name); 151 1.12 reed l += bozo_printf(httpd, "%s", name); 152 1.1 tls } else { 153 1.8 mrg bozo_printf(httpd, "<a href=\"%s\">", name); 154 1.8 mrg l += bozo_printf(httpd, "%s", name); 155 1.1 tls } 156 1.8 mrg bozo_printf(httpd, "</a>"); 157 1.1 tls 158 1.1 tls /* NAMELEN spaces */ 159 1.8 mrg /*LINTED*/ 160 1.8 mrg assert(/*CONSTCOND*/sizeof(spacebuf) > NAMELEN); 161 1.1 tls i = (l < NAMELEN) ? (NAMELEN - l) : 0; 162 1.1 tls i++; 163 1.8 mrg memset(spacebuf, ' ', (size_t)i); 164 1.1 tls spacebuf[i] = '\0'; 165 1.8 mrg bozo_printf(httpd, spacebuf); 166 1.1 tls l += i; 167 1.1 tls 168 1.1 tls if (nostat) 169 1.8 mrg bozo_printf(httpd, "? ?"); 170 1.1 tls else { 171 1.1 tls tm = gmtime(&sb.st_mtime); 172 1.1 tls strftime(buf, sizeof buf, "%d-%b-%Y %R", tm); 173 1.8 mrg l += bozo_printf(httpd, "%s", buf); 174 1.1 tls 175 1.1 tls /* LMODLEN spaces */ 176 1.8 mrg /*LINTED*/ 177 1.8 mrg assert(/*CONSTCOND*/sizeof(spacebuf) > LMODLEN); 178 1.8 mrg i = (l < (LMODLEN+NAMELEN+1)) ? 179 1.8 mrg ((LMODLEN+NAMELEN+1) - l) : 0; 180 1.1 tls i++; 181 1.8 mrg memset(spacebuf, ' ', (size_t)i); 182 1.1 tls spacebuf[i] = '\0'; 183 1.8 mrg bozo_printf(httpd, spacebuf); 184 1.1 tls 185 1.8 mrg bozo_printf(httpd, "%7ukB", 186 1.8 mrg ((unsigned)((unsigned)(sb.st_size) >> 10))); 187 1.1 tls } 188 1.8 mrg bozo_printf(httpd, "\r\n"); 189 1.1 tls } 190 1.1 tls 191 1.1 tls closedir(dp); 192 1.10 dogcow while (k--) 193 1.10 dogcow free(deo[k]); 194 1.10 dogcow free(deo); 195 1.8 mrg bozo_printf(httpd, "</pre>"); 196 1.8 mrg directory_hr(httpd); 197 1.8 mrg bozo_printf(httpd, "</body></html>\r\n\r\n"); 198 1.8 mrg bozo_flush(httpd, stdout); 199 1.9 dogcow 200 1.6 mrg done: 201 1.6 mrg if (file) 202 1.6 mrg free(file); 203 1.1 tls return 1; 204 1.1 tls } 205 1.1 tls #endif /* NO_DIRINDEX_SUPPORT */ 206 1.9 dogcow 207
Indexes created Mon Sep 22 05:09:51 GMT 2025