dir-index-bozo.c revision 1.28
1 1.28 mrg /* $NetBSD: dir-index-bozo.c,v 1.28 2018/11/22 08:54:08 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 1.26 mrg * Copyright (c) 1997-2018 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 1.21 mrg bozo_dir_index(bozo_httpreq_t *request, const char *dirpath, 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 1.22 shm char *file = NULL, *printname = 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 1.21 mrg if (strlen(dirpath) <= strlen(httpd->index_html)) 76 1.21 mrg dirpath = "."; 77 1.1 tls else { 78 1.23 mrg file = bozostrdup(httpd, request, dirpath); 79 1.1 tls 80 1.8 mrg file[strlen(file) - strlen(httpd->index_html)] = '\0'; 81 1.21 mrg dirpath = file; 82 1.1 tls } 83 1.28 mrg debug((httpd, DEBUG_FAT, "bozo_dir_index: dirpath '%s'", dirpath)); 84 1.21 mrg if (stat(dirpath, &sb) < 0 || 85 1.21 mrg (dp = opendir(dirpath)) == NULL) { 86 1.1 tls if (errno == EPERM) 87 1.28 mrg bozo_http_error(httpd, 403, request, 88 1.28 mrg "no permission to open directory"); 89 1.1 tls else if (errno == ENOENT) 90 1.28 mrg bozo_http_error(httpd, 404, request, "no file"); 91 1.1 tls else 92 1.28 mrg bozo_http_error(httpd, 500, request, "open directory"); 93 1.6 mrg goto done; 94 1.1 tls /* NOTREACHED */ 95 1.1 tls } 96 1.1 tls 97 1.8 mrg bozo_printf(httpd, "%s 200 OK\r\n", request->hr_proto); 98 1.1 tls 99 1.8 mrg if (request->hr_proto != httpd->consts.http_09) { 100 1.8 mrg bozo_print_header(request, NULL, "text/html", ""); 101 1.8 mrg bozo_printf(httpd, "\r\n"); 102 1.1 tls } 103 1.8 mrg bozo_flush(httpd, stdout); 104 1.1 tls 105 1.1 tls if (request->hr_method == HTTP_HEAD) { 106 1.1 tls closedir(dp); 107 1.6 mrg goto done; 108 1.1 tls } 109 1.1 tls 110 1.22 shm #ifndef NO_USER_SUPPORT 111 1.22 shm if (request->hr_user) { 112 1.25 mrg bozoasprintf(httpd, &printname, "~%s/%s", 113 1.25 mrg request->hr_user, request->hr_file); 114 1.22 shm } else 115 1.23 mrg printname = bozostrdup(httpd, request, request->hr_file); 116 1.22 shm #else 117 1.23 mrg printname = bozostrdup(httpd, request, request->hr_file); 118 1.22 shm #endif /* !NO_USER_SUPPORT */ 119 1.22 shm 120 1.8 mrg bozo_printf(httpd, 121 1.8 mrg "<html><head><title>Index of %s</title></head>\r\n", 122 1.22 shm printname); 123 1.8 mrg bozo_printf(httpd, "<body><h1>Index of %s</h1>\r\n", 124 1.22 shm printname); 125 1.8 mrg bozo_printf(httpd, "<pre>\r\n"); 126 1.1 tls #define NAMELEN 40 127 1.1 tls #define LMODLEN 19 128 1.8 mrg bozo_printf(httpd, "Name " 129 1.1 tls "Last modified " 130 1.1 tls "Size\n"); 131 1.8 mrg bozo_printf(httpd, "</pre>"); 132 1.8 mrg directory_hr(httpd); 133 1.8 mrg bozo_printf(httpd, "<pre>"); 134 1.1 tls 135 1.21 mrg for (j = k = scandir(dirpath, &de, NULL, alphasort), deo = de; 136 1.10 dogcow j--; de++) { 137 1.1 tls int nostat = 0; 138 1.9 dogcow char *name = (*de)->d_name; 139 1.16 mrg char *urlname, *htmlname; 140 1.1 tls 141 1.9 dogcow if (strcmp(name, ".") == 0 || 142 1.8 mrg (strcmp(name, "..") != 0 && 143 1.8 mrg httpd->hide_dots && name[0] == '.')) 144 1.1 tls continue; 145 1.1 tls 146 1.21 mrg snprintf(buf, sizeof buf, "%s/%s", dirpath, name); 147 1.1 tls if (stat(buf, &sb)) 148 1.1 tls nostat = 1; 149 1.1 tls 150 1.1 tls l = 0; 151 1.1 tls 152 1.22 shm urlname = bozo_escape_rfc3986(httpd, name, 0); 153 1.16 mrg htmlname = bozo_escape_html(httpd, name); 154 1.16 mrg if (htmlname == NULL) 155 1.16 mrg htmlname = name; 156 1.1 tls if (strcmp(name, "..") == 0) { 157 1.8 mrg bozo_printf(httpd, "<a href=\"../\">"); 158 1.8 mrg l += bozo_printf(httpd, "Parent Directory"); 159 1.27 mrg } else if (!nostat && S_ISDIR(sb.st_mode)) { 160 1.15 mrg bozo_printf(httpd, "<a href=\"%s/\">", urlname); 161 1.16 mrg l += bozo_printf(httpd, "%s/", htmlname); 162 1.12 reed } else if (strchr(name, ':') != NULL) { 163 1.12 reed /* RFC 3986 4.2 */ 164 1.15 mrg bozo_printf(httpd, "<a href=\"./%s\">", urlname); 165 1.16 mrg l += bozo_printf(httpd, "%s", htmlname); 166 1.1 tls } else { 167 1.15 mrg bozo_printf(httpd, "<a href=\"%s\">", urlname); 168 1.16 mrg l += bozo_printf(httpd, "%s", htmlname); 169 1.1 tls } 170 1.16 mrg if (htmlname != name) 171 1.16 mrg free(htmlname); 172 1.8 mrg bozo_printf(httpd, "</a>"); 173 1.1 tls 174 1.1 tls /* NAMELEN spaces */ 175 1.8 mrg /*LINTED*/ 176 1.8 mrg assert(/*CONSTCOND*/sizeof(spacebuf) > NAMELEN); 177 1.1 tls i = (l < NAMELEN) ? (NAMELEN - l) : 0; 178 1.1 tls i++; 179 1.8 mrg memset(spacebuf, ' ', (size_t)i); 180 1.1 tls spacebuf[i] = '\0'; 181 1.14 joerg bozo_printf(httpd, "%s", spacebuf); 182 1.1 tls l += i; 183 1.1 tls 184 1.1 tls if (nostat) 185 1.8 mrg bozo_printf(httpd, "? ?"); 186 1.1 tls else { 187 1.27 mrg unsigned long long len; 188 1.27 mrg 189 1.27 mrg len = ((unsigned long long)sb.st_size + 1023) / 1024; 190 1.27 mrg 191 1.1 tls tm = gmtime(&sb.st_mtime); 192 1.1 tls strftime(buf, sizeof buf, "%d-%b-%Y %R", tm); 193 1.8 mrg l += bozo_printf(httpd, "%s", buf); 194 1.1 tls 195 1.1 tls /* LMODLEN spaces */ 196 1.8 mrg /*LINTED*/ 197 1.8 mrg assert(/*CONSTCOND*/sizeof(spacebuf) > LMODLEN); 198 1.8 mrg i = (l < (LMODLEN+NAMELEN+1)) ? 199 1.8 mrg ((LMODLEN+NAMELEN+1) - l) : 0; 200 1.1 tls i++; 201 1.8 mrg memset(spacebuf, ' ', (size_t)i); 202 1.1 tls spacebuf[i] = '\0'; 203 1.14 joerg bozo_printf(httpd, "%s", spacebuf); 204 1.1 tls 205 1.27 mrg bozo_printf(httpd, "%12llukB", len); 206 1.1 tls } 207 1.8 mrg bozo_printf(httpd, "\r\n"); 208 1.1 tls } 209 1.1 tls 210 1.1 tls closedir(dp); 211 1.10 dogcow while (k--) 212 1.10 dogcow free(deo[k]); 213 1.10 dogcow free(deo); 214 1.8 mrg bozo_printf(httpd, "</pre>"); 215 1.8 mrg directory_hr(httpd); 216 1.8 mrg bozo_printf(httpd, "</body></html>\r\n\r\n"); 217 1.8 mrg bozo_flush(httpd, stdout); 218 1.9 dogcow 219 1.6 mrg done: 220 1.18 mbalmer free(file); 221 1.22 shm free(printname); 222 1.1 tls return 1; 223 1.1 tls } 224 1.1 tls #endif /* NO_DIRINDEX_SUPPORT */ 225 1.9 dogcow 226
Indexes created Thu Sep 25 16:09:42 GMT 2025