Annotation of src/libexec/httpd/main.c, Revision 1.8.2.1
1.8.2.1 ! martin 1: /* $NetBSD: main.c,v 1.8 2014/07/16 07:41:43 mrg Exp $ */
1.1 mrg 2:
1.5 mrg 3: /* $eterna: main.c,v 1.6 2011/11/18 09:21:15 mrg Exp $ */
1.1 mrg 4: /* from: eterna: bozohttpd.c,v 1.159 2009/05/23 02:14:30 mrg Exp */
5:
6: /*
1.7 mrg 7: * Copyright (c) 1997-2014 Matthew R. Green
1.1 mrg 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 */
1.3 joerg 58: BOZO_DEAD static void
1.1 mrg 59: usage(bozohttpd_t *httpd, char *progname)
60: {
1.8.2.1 ! martin 61: bozowarn(httpd, "usage: %s [options] slashdir [virtualhostname]",
1.1 mrg 62: progname);
1.8.2.1 ! martin 63: bozowarn(httpd, "options:");
1.2 jmmv 64: #ifndef NO_DEBUG
1.8.2.1 ! martin 65: bozowarn(httpd, " -d\t\t\tenable debug support");
! 66: #endif
! 67: bozowarn(httpd, " -s\t\t\talways log to stderr");
! 68: #ifndef NO_DYNAMIC_CONTENT
! 69: bozowarn(httpd, " -M arg t c c11\tadd this mime extenstion");
1.1 mrg 70: #endif
71: #ifndef NO_USER_SUPPORT
1.8.2.1 ! martin 72: bozowarn(httpd, " -u\t\t\tenable ~user/public_html support");
! 73: bozowarn(httpd, " -p dir\t\tchange `public_html' directory name");
! 74: #ifndef NO_CGIBIN_SUPPORT
! 75: bozowarn(httpd, " -E\t\t\tenable CGI support for user dirs");
1.1 mrg 76: #endif
77: #endif
78: #ifndef NO_CGIBIN_SUPPORT
79: #ifndef NO_DYNAMIC_CONTENT
1.8.2.1 ! martin 80: bozowarn(httpd, " -C arg prog\t\tadd this CGI handler");
1.1 mrg 81: #endif
1.8.2.1 ! martin 82: bozowarn(httpd,
1.1 mrg 83: " -c cgibin\t\tenable cgi-bin support in this directory");
84: #endif
1.6 mbalmer 85: #ifndef NO_LUA_SUPPORT
1.8.2.1 ! martin 86: bozowarn(httpd, " -L arg script\tadd this Lua script");
1.6 mbalmer 87: #endif
1.8.2.1 ! martin 88: bozowarn(httpd, " -I port\t\tbind or use on this port");
1.1 mrg 89: #ifndef NO_DAEMON_MODE
1.8.2.1 ! martin 90: bozowarn(httpd, " -b\t\t\tbackground and go into daemon mode");
! 91: bozowarn(httpd, " -f\t\t\tkeep daemon mode in the foreground");
! 92: bozowarn(httpd,
1.1 mrg 93: " -i address\t\tbind on this address (daemon mode only)");
1.8.2.1 ! martin 94: bozowarn(httpd, " -P pidfile\t\tpath to the pid file to create");
1.1 mrg 95: #endif
1.8.2.1 ! martin 96: bozowarn(httpd, " -S version\t\tset server version string");
! 97: bozowarn(httpd, " -t dir\t\tchroot to `dir'");
! 98: bozowarn(httpd, " -U username\t\tchange user to `user'");
! 99: bozowarn(httpd,
1.1 mrg 100: " -e\t\t\tdon't clean the environment (-t and -U only)");
1.8.2.1 ! martin 101: bozowarn(httpd,
1.1 mrg 102: " -v virtualroot\tenable virtual host support "
103: "in this directory");
104: #ifndef NO_DIRINDEX_SUPPORT
1.8.2.1 ! martin 105: bozowarn(httpd,
1.1 mrg 106: " -X\t\t\tenable automatic directory index support");
1.8.2.1 ! martin 107: bozowarn(httpd,
1.1 mrg 108: " -H\t\t\thide files starting with a period (.)"
109: " in index mode");
110: #endif
1.8.2.1 ! martin 111: bozowarn(httpd,
1.1 mrg 112: " -x index\t\tchange default `index.html' file name");
113: #ifndef NO_SSL_SUPPORT
1.8.2.1 ! martin 114: bozowarn(httpd,
! 115: " -z ciphers\t\tspecify SSL ciphers");
! 116: bozowarn(httpd,
1.1 mrg 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 */
1.8.2.1 ! martin 121: bozoerr(httpd, 1, "%s failed to start", progname);
1.1 mrg 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;
1.8.2.1 ! martin 131: const char *val;
1.1 mrg 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:
1.8.2.1 ! martin 146: /*
! 147: * -r option was removed, do not reuse it for a while
! 148: */
! 149:
1.1 mrg 150: while ((c = getopt(argc, argv,
1.8.2.1 ! martin 151: "C:EHI:L:M:P:S:U:VXZ:bc:defhi:np:st:uv:x:z:")) != -1) {
! 152: switch (c) {
1.1 mrg 153:
1.6 mbalmer 154: case 'L':
155: #ifdef NO_LUA_SUPPORT
1.8.2.1 ! martin 156: bozoerr(&httpd, 1,
1.6 mbalmer 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 */
1.1 mrg 167: case 'M':
168: #ifdef NO_DYNAMIC_CONTENT
1.8.2.1 ! martin 169: bozoerr(&httpd, 1,
1.1 mrg 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':
1.8.2.1 ! martin 183: bozo_set_pref(&httpd, &prefs, "numeric", "true");
1.1 mrg 184: break;
185:
186: case 's':
1.8.2.1 ! martin 187: bozo_set_pref(&httpd, &prefs, "log to stderr", "true");
1.1 mrg 188: break;
189:
190: case 'S':
1.8.2.1 ! martin 191: bozo_set_pref(&httpd, &prefs, "server software",
! 192: optarg);
1.1 mrg 193: break;
194: case 'Z':
195: #ifdef NO_SSL_SUPPORT
1.8.2.1 ! martin 196: bozoerr(&httpd, 1, "ssl support is not enabled");
1.1 mrg 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 */
1.8.2.1 ! martin 205:
! 206: case 'z':
! 207: #ifdef NO_SSL_SUPPORT
! 208: bozoerr(&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:
1.1 mrg 215: case 'U':
1.8.2.1 ! martin 216: bozo_set_pref(&httpd, &prefs, "username", optarg);
1.1 mrg 217: break;
218:
219: case 'V':
1.8.2.1 ! martin 220: bozo_set_pref(&httpd, &prefs, "unknown slash", "true");
1.1 mrg 221: break;
222:
223: case 'v':
1.8.2.1 ! martin 224: bozo_set_pref(&httpd, &prefs, "virtual base", optarg);
1.1 mrg 225: break;
226:
227: case 'x':
1.8.2.1 ! martin 228: bozo_set_pref(&httpd, &prefs, "index.html", optarg);
1.1 mrg 229: break;
230:
1.4 mrg 231: case 'I':
1.8.2.1 ! martin 232: bozo_set_pref(&httpd, &prefs, "port number", optarg);
1.4 mrg 233: break;
234:
1.1 mrg 235: #ifdef NO_DAEMON_MODE
236: case 'b':
237: case 'e':
238: case 'f':
239: case 'i':
1.2 jmmv 240: case 'P':
1.8.2.1 ! martin 241: bozoerr(&httpd, 1, "Daemon mode is not enabled");
1.1 mrg 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: */
1.8.2.1 ! martin 250: val = bozo_get_pref(&prefs, "background") == NULL ?
! 251: "1" : "2";
! 252: bozo_set_pref(&httpd, &prefs, "background", val);
1.1 mrg 253: break;
254:
255: case 'e':
1.8.2.1 ! martin 256: bozo_set_pref(&httpd, &prefs, "dirty environment",
! 257: "true");
1.1 mrg 258: break;
259:
260: case 'f':
1.8.2.1 ! martin 261: bozo_set_pref(&httpd, &prefs, "foreground", "true");
1.1 mrg 262: break;
263:
264: case 'i':
1.8.2.1 ! martin 265: bozo_set_pref(&httpd, &prefs, "bind address", optarg);
1.1 mrg 266: break;
267:
1.2 jmmv 268: case 'P':
1.8.2.1 ! martin 269: bozo_set_pref(&httpd, &prefs, "pid file", optarg);
1.2 jmmv 270: break;
1.1 mrg 271: #endif /* NO_DAEMON_MODE */
272:
273: #ifdef NO_CGIBIN_SUPPORT
274: case 'c':
275: case 'C':
1.8.2.1 ! martin 276: bozoerr(&httpd, 1, "CGI is not enabled");
1.1 mrg 277: /* NOTREACHED */
278: #else
279: case 'c':
280: bozo_cgi_setbin(&httpd, optarg);
281: break;
282:
283: case 'C':
284: # ifdef NO_DYNAMIC_CONTENT
1.8.2.1 ! martin 285: bozoerr(&httpd, 1,
1.1 mrg 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++;
1.2 jmmv 300: #ifdef NO_DEBUG
1.1 mrg 301: if (httpd.debug == 1)
1.8.2.1 ! martin 302: bozowarn(&httpd, "Debugging is not enabled");
1.2 jmmv 303: #endif /* NO_DEBUG */
1.1 mrg 304: break;
305:
1.8 mrg 306: case 't':
1.8.2.1 ! martin 307: bozo_set_pref(&httpd, &prefs, "chroot dir", optarg);
1.8 mrg 308: break;
309:
1.1 mrg 310: #ifdef NO_USER_SUPPORT
311: case 'p':
312: case 'u':
1.8.2.1 ! martin 313: case 'E':
! 314: bozoerr(&httpd, 1, "User support is not enabled");
1.1 mrg 315: /* NOTREACHED */
316: #else
317: case 'p':
1.8.2.1 ! martin 318: bozo_set_pref(&httpd, &prefs, "public_html", optarg);
1.1 mrg 319: break;
320:
321: case 'u':
1.8.2.1 ! martin 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");
1.1 mrg 328: break;
1.8.2.1 ! martin 329: #else
! 330: case 'E':
! 331: bozoerr(&httpd, 1, "CGI is not enabled");
! 332: /* NOTREACHED */
! 333: #endif /* NO_CGIBIN_SPPORT */
1.1 mrg 334: #endif /* NO_USER_SUPPORT */
335:
336: #ifdef NO_DIRINDEX_SUPPORT
337: case 'H':
338: case 'X':
1.8.2.1 ! martin 339: bozoerr(&httpd, 1,
1.1 mrg 340: "directory indexing is not enabled");
341: /* NOTREACHED */
342: #else
343: case 'H':
1.8.2.1 ! martin 344: bozo_set_pref(&httpd, &prefs, "hide dots", "true");
1.1 mrg 345: break;
346:
347: case 'X':
1.8.2.1 ! martin 348: bozo_set_pref(&httpd, &prefs, "directory indexing",
! 349: "true");
1.1 mrg 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: }
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