dir-index-bozo.c revision 1.1.1.5
1 /* $eterna: dir-index-bozo.c,v 1.18 2010/09/20 22:26:29 mrg Exp $ */ 2 3 /* 4 * Copyright (c) 1997-2010 Matthew R. Green 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer and 14 * dedication in the documentation and/or other materials provided 15 * with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 */ 30 31 /* this code implements directory index generation for bozohttpd */ 32 33 #ifndef NO_DIRINDEX_SUPPORT 34 35 #include <sys/param.h> 36 37 #include <dirent.h> 38 #include <errno.h> 39 #include <string.h> 40 #include <stdlib.h> 41 #include <time.h> 42 #include <assert.h> 43 44 #include "bozohttpd.h" 45 46 static void 47 directory_hr(bozohttpd_t *httpd) 48 { 49 50 bozo_printf(httpd, 51 "<hr noshade align=\"left\" width=\"80%%\">\r\n\r\n"); 52 } 53 54 /* 55 * output a directory index. return 1 if it actually did something.. 56 */ 57 int 58 bozo_dir_index(bozo_httpreq_t *request, const char *dirname, int isindex) 59 { 60 bozohttpd_t *httpd = request->hr_httpd; 61 struct stat sb; 62 struct dirent **de, **deo; 63 struct tm *tm; 64 DIR *dp; 65 char buf[MAXPATHLEN]; 66 char spacebuf[48]; 67 char *file = NULL; 68 int l, k, j, i; 69 70 if (!isindex || !httpd->dir_indexing) 71 return 0; 72 73 if (strlen(dirname) <= strlen(httpd->index_html)) 74 dirname = "."; 75 else { 76 file = bozostrdup(httpd, dirname); 77 78 file[strlen(file) - strlen(httpd->index_html)] = '\0'; 79 dirname = file; 80 } 81 debug((httpd, DEBUG_FAT, "bozo_dir_index: dirname ``%s''", dirname)); 82 if (stat(dirname, &sb) < 0 || 83 (dp = opendir(dirname)) == NULL) { 84 if (errno == EPERM) 85 (void)bozo_http_error(httpd, 403, request, 86 "no permission to open directory"); 87 else if (errno == ENOENT) 88 (void)bozo_http_error(httpd, 404, request, "no file"); 89 else 90 (void)bozo_http_error(httpd, 500, request, 91 "open directory"); 92 goto done; 93 /* NOTREACHED */ 94 } 95 96 bozo_printf(httpd, "%s 200 OK\r\n", request->hr_proto); 97 98 if (request->hr_proto != httpd->consts.http_09) { 99 bozo_print_header(request, NULL, "text/html", ""); 100 bozo_printf(httpd, "\r\n"); 101 } 102 bozo_flush(httpd, stdout); 103 104 if (request->hr_method == HTTP_HEAD) { 105 closedir(dp); 106 goto done; 107 } 108 109 bozo_printf(httpd, 110 "<html><head><title>Index of %s</title></head>\r\n", 111 request->hr_file); 112 bozo_printf(httpd, "<body><h1>Index of %s</h1>\r\n", 113 request->hr_file); 114 bozo_printf(httpd, "<pre>\r\n"); 115 #define NAMELEN 40 116 #define LMODLEN 19 117 bozo_printf(httpd, "Name " 118 "Last modified " 119 "Size\n"); 120 bozo_printf(httpd, "</pre>"); 121 directory_hr(httpd); 122 bozo_printf(httpd, "<pre>"); 123 124 for (j = k = scandir(dirname, &de, NULL, alphasort), deo = de; 125 j--; de++) { 126 int nostat = 0; 127 char *name = (*de)->d_name; 128 129 if (strcmp(name, ".") == 0 || 130 (strcmp(name, "..") != 0 && 131 httpd->hide_dots && name[0] == '.')) 132 continue; 133 134 snprintf(buf, sizeof buf, "%s/%s", dirname, name); 135 if (stat(buf, &sb)) 136 nostat = 1; 137 138 l = 0; 139 140 if (strcmp(name, "..") == 0) { 141 bozo_printf(httpd, "<a href=\"../\">"); 142 l += bozo_printf(httpd, "Parent Directory"); 143 } else if (S_ISDIR(sb.st_mode)) { 144 bozo_printf(httpd, "<a href=\"%s/\">", name); 145 l += bozo_printf(httpd, "%s/", name); 146 } else { 147 bozo_printf(httpd, "<a href=\"%s\">", name); 148 l += bozo_printf(httpd, "%s", name); 149 } 150 bozo_printf(httpd, "</a>"); 151 152 /* NAMELEN spaces */ 153 /*LINTED*/ 154 assert(/*CONSTCOND*/sizeof(spacebuf) > NAMELEN); 155 i = (l < NAMELEN) ? (NAMELEN - l) : 0; 156 i++; 157 memset(spacebuf, ' ', (size_t)i); 158 spacebuf[i] = '\0'; 159 bozo_printf(httpd, spacebuf); 160 l += i; 161 162 if (nostat) 163 bozo_printf(httpd, "? ?"); 164 else { 165 tm = gmtime(&sb.st_mtime); 166 strftime(buf, sizeof buf, "%d-%b-%Y %R", tm); 167 l += bozo_printf(httpd, "%s", buf); 168 169 /* LMODLEN spaces */ 170 /*LINTED*/ 171 assert(/*CONSTCOND*/sizeof(spacebuf) > LMODLEN); 172 i = (l < (LMODLEN+NAMELEN+1)) ? 173 ((LMODLEN+NAMELEN+1) - l) : 0; 174 i++; 175 memset(spacebuf, ' ', (size_t)i); 176 spacebuf[i] = '\0'; 177 bozo_printf(httpd, spacebuf); 178 179 bozo_printf(httpd, "%7ukB", 180 ((unsigned)((unsigned)(sb.st_size) >> 10))); 181 } 182 bozo_printf(httpd, "\r\n"); 183 } 184 185 closedir(dp); 186 while (k--) 187 free(deo[k]); 188 free(deo); 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 Oct 15 16:09:53 GMT 2025