main.c revision 1.19
1 /* $NetBSD: main.c,v 1.19 2018/11/22 08:54:08 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) 1997-2018 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 bozowarn(httpd, "usage: %s [options] slashdir [virtualhostname]", 62 progname); 63 bozowarn(httpd, "options:"); 64 65 if (have_daemon_mode) 66 bozowarn(httpd, " -b\t\t\tbackground and go into daemon mode"); 67 if (have_cgibin && 68 have_dynamic_content) 69 bozowarn(httpd, " -C arg prog\t\tadd this CGI handler"); 70 if (have_cgibin) 71 bozowarn(httpd, " -c cgibin\t\tenable cgi-bin support in " 72 "this directory"); 73 if (have_debug) 74 bozowarn(httpd, " -d\t\t\tenable debug support"); 75 if (have_cgibin) 76 bozowarn(httpd, " -E\t\t\tenable CGI support for user dirs"); 77 if (have_user && 78 have_cgibin) 79 bozowarn(httpd, " -e\t\t\tdon't clean the environment " 80 "(-t and -U only)"); 81 if (have_daemon_mode) 82 bozowarn(httpd, " -f\t\t\tforeground in daemon mode"); 83 if (have_all) 84 bozowarn(httpd, " -G print version number and exit"); 85 if (have_dirindex) 86 bozowarn(httpd, " -H\t\t\thide files starting with a period " 87 "(.) in index mode"); 88 if (have_all) 89 bozowarn(httpd, " -I port\t\tbind or use on this port"); 90 if (have_daemon_mode) 91 bozowarn(httpd, " -i address\t\tbind on this address " 92 "(daemon mode only)"); 93 if (have_lua) 94 bozowarn(httpd, " -L arg script\tadd this Lua script"); 95 if (have_dynamic_content) 96 bozowarn(httpd, " -M arg t c c11\tadd this mime extenstion"); 97 if (have_daemon_mode) 98 bozowarn(httpd, " -P pidfile\t\tpid file path"); 99 if (have_user) 100 bozowarn(httpd, " -p dir\t\t\"public_html\" directory name"); 101 102 if (have_all) { 103 bozowarn(httpd, " -S version\t\tset server version string"); 104 bozowarn(httpd, " -s\t\t\talways log to stderr"); 105 bozowarn(httpd, " -T type timeout\tset `type' timeout"); 106 bozowarn(httpd, " -t dir\t\tchroot to `dir'"); 107 bozowarn(httpd, " -U username\t\tchange user to `user'"); 108 } 109 if (have_user) 110 bozowarn(httpd, " -u\t\t\tenable ~user/public_html support"); 111 112 if (have_all) { 113 bozowarn(httpd, " -V\t\t\tUnknown virtual hosts go to " 114 "`slashdir'"); 115 bozowarn(httpd, " -v virtualroot\tenable virtual host " 116 "support in this directory"); 117 } 118 119 if (have_dirindex) 120 bozowarn(httpd, " -X\t\t\tdirectory index support"); 121 if (have_all) 122 bozowarn(httpd, " -x index\t\tdefault \"index.html\" " 123 "file name"); 124 125 if (have_ssl) { 126 bozowarn(httpd, " -Z cert privkey\tspecify path to server " 127 "certificate and private key file\n" 128 "\t\t\tin pem format and enable bozohttpd in " 129 "SSL mode"); 130 bozowarn(httpd, " -z ciphers\t\tspecify SSL ciphers"); 131 } 132 133 bozoerr(httpd, 1, "%s failed to start", progname); 134 } 135 136 int 137 main(int argc, char **argv) 138 { 139 bozo_httpreq_t *request; 140 bozohttpd_t httpd; 141 bozoprefs_t prefs; 142 char *progname; 143 const char *val; 144 int c; 145 146 (void) memset(&httpd, 0x0, sizeof(httpd)); 147 (void) memset(&prefs, 0x0, sizeof(prefs)); 148 149 if ((progname = strrchr(argv[0], '/')) == NULL) 150 progname = argv[0]; 151 else 152 progname++; 153 154 openlog(progname, LOG_PID|LOG_NDELAY, LOG_FTP); 155 156 bozo_set_defaults(&httpd, &prefs); 157 158 /* 159 * -r option was removed, do not reuse it for a while 160 */ 161 162 while ((c = getopt(argc, argv, 163 "C:EGHI:L:M:P:S:T:U:VXZ:bc:defhi:np:st:uv:x:z:")) != -1) { 164 switch (c) { 165 166 case 'L': 167 if (!have_lua) 168 bozoerr(&httpd, 1, "Lua support not enabled"); 169 170 /* make sure there's two argument */ 171 if (argc - optind < 1) 172 usage(&httpd, progname); 173 bozo_add_lua_map(&httpd, optarg, argv[optind]); 174 optind++; 175 break; 176 case 'M': 177 if (!have_dynamic_content) 178 bozoerr(&httpd, 1, 179 "dynamic mime content support not enabled"); 180 181 /* make sure there're four arguments */ 182 if (argc - optind < 3) 183 usage(&httpd, progname); 184 bozo_add_content_map_mime(&httpd, optarg, argv[optind], 185 argv[optind+1], argv[optind+2]); 186 optind += 3; 187 break; 188 189 case 'n': 190 bozo_set_pref(&httpd, &prefs, "numeric", "true"); 191 break; 192 193 case 's': 194 bozo_set_pref(&httpd, &prefs, "log to stderr", "true"); 195 break; 196 197 case 'S': 198 bozo_set_pref(&httpd, &prefs, "server software", 199 optarg); 200 break; 201 case 'Z': 202 if (!have_ssl) 203 no_ssl: 204 bozoerr(&httpd, 1, "ssl support not enabled"); 205 206 /* make sure there's two arguments */ 207 if (argc - optind < 1) 208 usage(&httpd, progname); 209 bozo_ssl_set_opts(&httpd, optarg, argv[optind++]); 210 break; 211 212 case 'z': 213 if (!have_ssl) 214 goto no_ssl; 215 216 bozo_ssl_set_ciphers(&httpd, optarg); 217 break; 218 219 case 'U': 220 bozo_set_pref(&httpd, &prefs, "username", optarg); 221 break; 222 223 case 'V': 224 bozo_set_pref(&httpd, &prefs, "unknown slash", "true"); 225 break; 226 227 case 'v': 228 bozo_set_pref(&httpd, &prefs, "virtual base", optarg); 229 break; 230 231 case 'x': 232 bozo_set_pref(&httpd, &prefs, "index.html", optarg); 233 break; 234 235 case 'I': 236 bozo_set_pref(&httpd, &prefs, "port number", optarg); 237 break; 238 239 case 'b': 240 if (!have_daemon_mode) 241 no_daemon_mode: 242 bozoerr(&httpd, 1, "Daemon mode not enabled"); 243 244 /* 245 * test suite support - undocumented 246 * background == 2 (aka, -b -b) means to 247 * only process 1 per kid 248 */ 249 val = bozo_get_pref(&prefs, "background") == NULL ? 250 "1" : "2"; 251 bozo_set_pref(&httpd, &prefs, "background", val); 252 break; 253 254 case 'e': 255 if (!have_daemon_mode) 256 goto no_daemon_mode; 257 258 bozo_set_pref(&httpd, &prefs, "dirty environment", 259 "true"); 260 break; 261 262 case 'f': 263 if (!have_daemon_mode) 264 goto no_daemon_mode; 265 266 bozo_set_pref(&httpd, &prefs, "foreground", "true"); 267 break; 268 269 case 'i': 270 if (!have_daemon_mode) 271 goto no_daemon_mode; 272 273 bozo_set_pref(&httpd, &prefs, "bind address", optarg); 274 break; 275 276 case 'P': 277 if (!have_daemon_mode) 278 goto no_daemon_mode; 279 280 bozo_set_pref(&httpd, &prefs, "pid file", optarg); 281 break; 282 283 case 'c': 284 if (!have_cgibin) 285 bozoerr(&httpd, 1, "CGI not enabled"); 286 287 bozo_cgi_setbin(&httpd, optarg); 288 break; 289 290 case 'C': 291 if (!have_dynamic_content && !have_cgibin) 292 bozoerr(&httpd, 1, 293 "dynamic CGI handler support not enabled"); 294 295 /* make sure there's two arguments */ 296 if (argc - optind < 1) 297 usage(&httpd, progname); 298 bozo_add_content_map_cgi(&httpd, optarg, 299 argv[optind++]); 300 break; 301 302 case 'd': 303 if (!have_debug) 304 bozowarn(&httpd, "Debugging not enabled"); 305 httpd.debug++; 306 break; 307 308 case 't': 309 bozo_set_pref(&httpd, &prefs, "chroot dir", optarg); 310 break; 311 312 case 'p': 313 if (!have_user) 314 no_user_support: 315 bozoerr(&httpd, 1, "User support not enabled"); 316 317 bozo_set_pref(&httpd, &prefs, "public_html", optarg); 318 break; 319 320 case 'u': 321 if (!have_user) 322 goto no_user_support; 323 324 bozo_set_pref(&httpd, &prefs, "enable users", "true"); 325 break; 326 327 case 'E': 328 if (have_user && 329 have_cgibin) 330 bozoerr(&httpd, 1, "CGI not enabled"); 331 332 bozo_set_pref(&httpd, &prefs, "enable user cgibin", 333 "true"); 334 break; 335 336 case 'H': 337 if (!have_dirindex) 338 no_dirindex_support: 339 bozoerr(&httpd, 1, 340 "directory indexing not enabled"); 341 342 bozo_set_pref(&httpd, &prefs, "hide dots", "true"); 343 break; 344 345 case 'X': 346 if (!have_dirindex) 347 goto no_dirindex_support; 348 349 bozo_set_pref(&httpd, &prefs, "directory indexing", 350 "true"); 351 break; 352 353 case 'G': 354 { 355 char version[128]; 356 357 bozo_get_version(version, sizeof(version)); 358 printf("bozohttpd version %s\n", version); 359 } 360 return 0; 361 362 case 'T': 363 /* make sure there're two arguments */ 364 if (argc - optind < 1) 365 usage(&httpd, progname); 366 if (bozo_set_timeout(&httpd, &prefs, 367 optarg, argv[optind])) { 368 bozoerr(&httpd, 1, 369 "invalid type '%s'", optarg); 370 /* NOTREACHED */ 371 } 372 optind++; 373 break; 374 375 default: 376 usage(&httpd, progname); 377 /* NOTREACHED */ 378 } 379 } 380 381 argc -= optind; 382 argv += optind; 383 384 if (argc == 0 || argc > 2) { 385 usage(&httpd, progname); 386 } 387 388 /* virtual host, and root of tree to serve */ 389 bozo_setup(&httpd, &prefs, argv[1], argv[0]); 390 391 /* 392 * read and process the HTTP request. 393 */ 394 do { 395 if ((request = bozo_read_request(&httpd)) != NULL) { 396 bozo_process_request(request); 397 bozo_clean_request(request); 398 } 399 } while (httpd.background); 400 401 return (0); 402 } 403
Indexes created Wed Sep 24 22:09:59 GMT 2025