main.c revision 1.12
1 /* $NetBSD: main.c,v 1.12 2015/12/27 10:21:35 mrg Exp $ */ 2 3 /* $eterna: main.c,v 1.6 2011/11/18 09:21:15 mrg Exp $ */ 4 /* from: eterna: bozohttpd.c,v 1.159 2009/05/23 02:14:30 mrg Exp */ 5 6 /* 7 * Copyright (c) 1997-2014 Matthew R. Green 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer and 17 * dedication in the documentation and/or other materials provided 18 * with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 */ 33 34 /* this program is dedicated to the Great God of Processed Cheese */ 35 36 /* 37 * main.c: C front end to bozohttpd 38 */ 39 40 #include <sys/types.h> 41 #include <sys/param.h> 42 43 #include <errno.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <syslog.h> 47 #include <time.h> 48 #include <unistd.h> 49 50 #include "bozohttpd.h" 51 52 /* variables and functions */ 53 #ifndef LOG_FTP 54 #define LOG_FTP LOG_DAEMON 55 #endif 56 57 /* print a usage message, and then exit */ 58 BOZO_DEAD static void 59 usage(bozohttpd_t *httpd, char *progname) 60 { 61 bozo_warn(httpd, "usage: %s [options] slashdir [virtualhostname]", 62 progname); 63 bozo_warn(httpd, "options:"); 64 #ifndef NO_DEBUG 65 bozo_warn(httpd, " -d\t\t\tenable debug support"); 66 #endif 67 bozo_warn(httpd, " -s\t\t\talways log to stderr"); 68 #ifndef NO_DYNAMIC_CONTENT 69 bozo_warn(httpd, " -M arg t c c11\tadd this mime extenstion"); 70 #endif 71 #ifndef NO_USER_SUPPORT 72 bozo_warn(httpd, " -u\t\t\tenable ~user/public_html support"); 73 bozo_warn(httpd, " -p dir\t\tchange `public_html' directory name"); 74 #ifndef NO_CGIBIN_SUPPORT 75 bozo_warn(httpd, " -E\t\t\tenable CGI support for user dirs"); 76 #endif 77 #endif 78 #ifndef NO_CGIBIN_SUPPORT 79 #ifndef NO_DYNAMIC_CONTENT 80 bozo_warn(httpd, " -C arg prog\t\tadd this CGI handler"); 81 #endif 82 bozo_warn(httpd, 83 " -c cgibin\t\tenable cgi-bin support in this directory"); 84 #endif 85 #ifndef NO_LUA_SUPPORT 86 bozo_warn(httpd, " -L arg script\tadd this Lua script"); 87 #endif 88 bozo_warn(httpd, " -I port\t\tbind or use on this port"); 89 #ifndef NO_DAEMON_MODE 90 bozo_warn(httpd, " -b\t\t\tbackground and go into daemon mode"); 91 bozo_warn(httpd, " -f\t\t\tkeep daemon mode in the foreground"); 92 bozo_warn(httpd, 93 " -i address\t\tbind on this address (daemon mode only)"); 94 bozo_warn(httpd, " -P pidfile\t\tpath to the pid file to create"); 95 #endif 96 bozo_warn(httpd, " -S version\t\tset server version string"); 97 bozo_warn(httpd, " -t dir\t\tchroot to `dir'"); 98 bozo_warn(httpd, " -U username\t\tchange user to `user'"); 99 bozo_warn(httpd, 100 " -e\t\t\tdon't clean the environment (-t and -U only)"); 101 bozo_warn(httpd, 102 " -v virtualroot\tenable virtual host support " 103 "in this directory"); 104 #ifndef NO_DIRINDEX_SUPPORT 105 bozo_warn(httpd, 106 " -X\t\t\tenable automatic directory index support"); 107 bozo_warn(httpd, 108 " -H\t\t\thide files starting with a period (.)" 109 " in index mode"); 110 #endif 111 bozo_warn(httpd, 112 " -x index\t\tchange default `index.html' file name"); 113 #ifndef NO_SSL_SUPPORT 114 bozo_warn(httpd, 115 " -z ciphers\t\tspecify SSL ciphers"); 116 bozo_warn(httpd, 117 " -Z cert privkey\tspecify path to server certificate" 118 " and private key file\n" 119 "\t\t\tin pem format and enable bozohttpd in SSL mode"); 120 #endif /* NO_SSL_SUPPORT */ 121 bozo_err(httpd, 1, "%s failed to start", progname); 122 } 123 124 int 125 main(int argc, char **argv) 126 { 127 bozo_httpreq_t *request; 128 bozohttpd_t httpd; 129 bozoprefs_t prefs; 130 char *progname; 131 const char *val; 132 int c; 133 134 (void) memset(&httpd, 0x0, sizeof(httpd)); 135 (void) memset(&prefs, 0x0, sizeof(prefs)); 136 137 if ((progname = strrchr(argv[0], '/')) == NULL) 138 progname = argv[0]; 139 else 140 progname++; 141 142 openlog(progname, LOG_PID|LOG_NDELAY, LOG_FTP); 143 144 bozo_set_defaults(&httpd, &prefs); 145 146 /* 147 * -r option was removed, do not reuse it for a while 148 */ 149 150 while ((c = getopt(argc, argv, 151 "C:EHI:L:M:P:S:U:VXZ:bc:defhi:np:st:uv:x:z:")) != -1) { 152 switch (c) { 153 154 case 'L': 155 #ifdef NO_LUA_SUPPORT 156 bozo_err(&httpd, 1, 157 "Lua support is not enabled"); 158 /* NOTREACHED */ 159 #else 160 /* make sure there's two argument */ 161 if (argc - optind < 1) 162 usage(&httpd, progname); 163 bozo_add_lua_map(&httpd, optarg, argv[optind]); 164 optind++; 165 break; 166 #endif /* NO_LUA_SUPPORT */ 167 case 'M': 168 #ifdef NO_DYNAMIC_CONTENT 169 bozo_err(&httpd, 1, 170 "dynamic mime content support is not enabled"); 171 /* NOTREACHED */ 172 #else 173 /* make sure there's four arguments */ 174 if (argc - optind < 3) 175 usage(&httpd, progname); 176 bozo_add_content_map_mime(&httpd, optarg, argv[optind], 177 argv[optind+1], argv[optind+2]); 178 optind += 3; 179 break; 180 #endif /* NO_DYNAMIC_CONTENT */ 181 182 case 'n': 183 bozo_set_pref(&httpd, &prefs, "numeric", "true"); 184 break; 185 186 case 's': 187 bozo_set_pref(&httpd, &prefs, "log to stderr", "true"); 188 break; 189 190 case 'S': 191 bozo_set_pref(&httpd, &prefs, "server software", 192 optarg); 193 break; 194 case 'Z': 195 #ifdef NO_SSL_SUPPORT 196 bozo_err(&httpd, 1, "ssl support is not enabled"); 197 /* NOT REACHED */ 198 #else 199 /* make sure there's two arguments */ 200 if (argc - optind < 1) 201 usage(&httpd, progname); 202 bozo_ssl_set_opts(&httpd, optarg, argv[optind++]); 203 break; 204 #endif /* NO_SSL_SUPPORT */ 205 206 case 'z': 207 #ifdef NO_SSL_SUPPORT 208 bozo_err(&httpd, 1, "ssl support is not enabled"); 209 /* NOT REACHED */ 210 #else 211 bozo_ssl_set_ciphers(&httpd, optarg); 212 break; 213 #endif /* NO_SSL_SUPPORT */ 214 215 case 'U': 216 bozo_set_pref(&httpd, &prefs, "username", optarg); 217 break; 218 219 case 'V': 220 bozo_set_pref(&httpd, &prefs, "unknown slash", "true"); 221 break; 222 223 case 'v': 224 bozo_set_pref(&httpd, &prefs, "virtual base", optarg); 225 break; 226 227 case 'x': 228 bozo_set_pref(&httpd, &prefs, "index.html", optarg); 229 break; 230 231 case 'I': 232 bozo_set_pref(&httpd, &prefs, "port number", optarg); 233 break; 234 235 #ifdef NO_DAEMON_MODE 236 case 'b': 237 case 'e': 238 case 'f': 239 case 'i': 240 case 'P': 241 bozo_err(&httpd, 1, "Daemon mode is not enabled"); 242 /* NOTREACHED */ 243 #else 244 case 'b': 245 /* 246 * test suite support - undocumented 247 * background == 2 (aka, -b -b) means to 248 * only process 1 per kid 249 */ 250 val = bozo_get_pref(&prefs, "background") == NULL ? 251 "1" : "2"; 252 bozo_set_pref(&httpd, &prefs, "background", val); 253 break; 254 255 case 'e': 256 bozo_set_pref(&httpd, &prefs, "dirty environment", 257 "true"); 258 break; 259 260 case 'f': 261 bozo_set_pref(&httpd, &prefs, "foreground", "true"); 262 break; 263 264 case 'i': 265 bozo_set_pref(&httpd, &prefs, "bind address", optarg); 266 break; 267 268 case 'P': 269 bozo_set_pref(&httpd, &prefs, "pid file", optarg); 270 break; 271 #endif /* NO_DAEMON_MODE */ 272 273 #ifdef NO_CGIBIN_SUPPORT 274 case 'c': 275 case 'C': 276 bozo_err(&httpd, 1, "CGI is not enabled"); 277 /* NOTREACHED */ 278 #else 279 case 'c': 280 bozo_cgi_setbin(&httpd, optarg); 281 break; 282 283 case 'C': 284 # ifdef NO_DYNAMIC_CONTENT 285 bozo_err(&httpd, 1, 286 "dynamic CGI handler support is not enabled"); 287 /* NOTREACHED */ 288 # else 289 /* make sure there's two arguments */ 290 if (argc - optind < 1) 291 usage(&httpd, progname); 292 bozo_add_content_map_cgi(&httpd, optarg, 293 argv[optind++]); 294 break; 295 # endif /* NO_DYNAMIC_CONTENT */ 296 #endif /* NO_CGIBIN_SUPPORT */ 297 298 case 'd': 299 httpd.debug++; 300 #ifdef NO_DEBUG 301 if (httpd.debug == 1) 302 bozo_warn(&httpd, "Debugging is not enabled"); 303 #endif /* NO_DEBUG */ 304 break; 305 306 case 't': 307 bozo_set_pref(&httpd, &prefs, "chroot dir", optarg); 308 break; 309 310 #ifdef NO_USER_SUPPORT 311 case 'p': 312 case 'u': 313 case 'E': 314 bozo_err(&httpd, 1, "User support is not enabled"); 315 /* NOTREACHED */ 316 #else 317 case 'p': 318 bozo_set_pref(&httpd, &prefs, "public_html", optarg); 319 break; 320 321 case 'u': 322 bozo_set_pref(&httpd, &prefs, "enable users", "true"); 323 break; 324 #ifndef NO_CGIBIN_SUPPORT 325 case 'E': 326 bozo_set_pref(&httpd, &prefs, "enable user cgibin", 327 "true"); 328 break; 329 #else 330 case 'E': 331 bozo_err(&httpd, 1, "CGI is not enabled"); 332 /* NOTREACHED */ 333 #endif /* NO_CGIBIN_SPPORT */ 334 #endif /* NO_USER_SUPPORT */ 335 336 #ifdef NO_DIRINDEX_SUPPORT 337 case 'H': 338 case 'X': 339 bozo_err(&httpd, 1, 340 "directory indexing is not enabled"); 341 /* NOTREACHED */ 342 #else 343 case 'H': 344 bozo_set_pref(&httpd, &prefs, "hide dots", "true"); 345 break; 346 347 case 'X': 348 bozo_set_pref(&httpd, &prefs, "directory indexing", 349 "true"); 350 break; 351 352 #endif /* NO_DIRINDEX_SUPPORT */ 353 354 default: 355 usage(&httpd, progname); 356 /* NOTREACHED */ 357 } 358 } 359 360 argc -= optind; 361 argv += optind; 362 363 if (argc == 0 || argc > 2) { 364 usage(&httpd, progname); 365 } 366 367 /* virtual host, and root of tree to serve */ 368 bozo_setup(&httpd, &prefs, argv[1], argv[0]); 369 370 /* 371 * read and process the HTTP request. 372 */ 373 do { 374 if ((request = bozo_read_request(&httpd)) != NULL) { 375 bozo_process_request(request); 376 bozo_clean_request(request); 377 } 378 } while (httpd.background); 379 380 return (0); 381 } 382
Indexes created Wed Sep 24 05:09:52 GMT 2025