1: #include "first.h"
2:
3: #include "server.h"
4: #include "log.h"
5: #include "stream.h"
6: #include "plugin.h"
7:
8: #include "configparser.h"
9: #include "configfile.h"
10: #include "proc_open.h"
11: #include "request.h"
12: #include "version.h"
13:
14: #include <sys/stat.h>
15:
16: #include <stdlib.h>
17: #include <fcntl.h>
18: #include <unistd.h>
19: #include <errno.h>
20: #include <string.h>
21: #include <stdio.h>
22: #include <ctype.h>
23: #include <limits.h>
24: #include <assert.h>
25: #include <glob.h>
26:
27:
28: static int config_insert(server *srv) {
29: size_t i;
30: int ret = 0;
31: buffer *stat_cache_string;
32:
33: config_values_t cv[] = {
34: { "server.bind", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 0 */
35: { "server.errorlog", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 1 */
36: { "server.errorfile-prefix", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 2 */
37: { "server.chroot", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 3 */
38: { "server.username", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 4 */
39: { "server.groupname", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 5 */
40: { "server.port", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_SERVER }, /* 6 */
41: { "server.tag", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 7 */
42: { "server.use-ipv6", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 8 */
43: { "server.modules", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_SERVER }, /* 9 */
44:
45: { "server.event-handler", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 10 */
46: { "server.pid-file", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 11 */
47: { "server.max-request-size", NULL, T_CONFIG_INT, T_CONFIG_SCOPE_SERVER }, /* 12 */
48: { "server.max-worker", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_SERVER }, /* 13 */
49: { "server.document-root", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 14 */
50: { "server.force-lowercase-filenames", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 15 */
51: { "debug.log-condition-handling", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 16 */
52: { "server.max-keep-alive-requests", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 17 */
53: { "server.name", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 18 */
54: { "server.max-keep-alive-idle", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 19 */
55:
56: { "server.max-read-idle", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 20 */
57: { "server.max-write-idle", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 21 */
58: { "server.error-handler", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 22 */
59: { "server.max-fds", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_SERVER }, /* 23 */
60: #ifdef HAVE_LSTAT
61: { "server.follow-symlink", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 24 */
62: #else
63: { "server.follow-symlink",
64: "Your system lacks lstat(). We can not differ symlinks from files."
65: "Please remove server.follow-symlinks from your config.",
66: T_CONFIG_UNSUPPORTED, T_CONFIG_SCOPE_UNSET },
67: #endif
68: { "server.kbytes-per-second", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 25 */
69: { "connection.kbytes-per-second", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 26 */
70: { "mimetype.use-xattr", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 27 */
71: { "mimetype.assign", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION }, /* 28 */
72: { "ssl.pemfile", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 29 */
73:
74: { "ssl.engine", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 30 */
75: { "debug.log-file-not-found", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 31 */
76: { "debug.log-request-handling", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 32 */
77: { "debug.log-response-header", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 33 */
78: { "debug.log-request-header", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 34 */
79: { "debug.log-ssl-noise", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 35 */
80: { "server.protocol-http11", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 36 */
81: { "debug.log-request-header-on-error", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 37 */
82: { "debug.log-state-handling", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 38 */
83: { "ssl.ca-file", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 39 */
84:
85: { "server.errorlog-use-syslog", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 40 */
86: { "server.range-requests", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 41 */
87: { "server.stat-cache-engine", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 42 */
88: { "server.max-connections", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_SERVER }, /* 43 */
89: { "server.network-backend", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 44 */
90: { "server.upload-dirs", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_SERVER }, /* 45 */
91: { "server.core-files", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 46 */
92: { "ssl.cipher-list", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 47 */
93: { "ssl.use-sslv2", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 48 */
94: { "etag.use-inode", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 49 */
95:
96: { "etag.use-mtime", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 50 */
97: { "etag.use-size", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 51 */
98: { "server.reject-expect-100-with-417", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 52 */
99: { "debug.log-timeouts", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 53 */
100: { "server.defer-accept", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 54 */
101: { "server.breakagelog", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 55 */
102: { "ssl.verifyclient.activate", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 56 */
103: { "ssl.verifyclient.enforce", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 57 */
104: { "ssl.verifyclient.depth", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 58 */
105: { "ssl.verifyclient.username", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 59 */
106:
107: { "ssl.verifyclient.exportcert", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 60 */
108: { "server.set-v6only", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 61 */
109: { "ssl.use-sslv3", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 62 */
110: { "ssl.dh-file", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 63 */
111: { "ssl.ec-curve", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 64 */
112: { "ssl.disable-client-renegotiation", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 65 */
113: { "ssl.honor-cipher-order", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 66 */
114: { "ssl.empty-fragments", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 67 */
115: { "server.upload-temp-file-size", NULL, T_CONFIG_INT, T_CONFIG_SCOPE_SERVER }, /* 68 */
116: { "mimetype.xattr-name", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_SERVER }, /* 69 */
117: { "server.listen-backlog", NULL, T_CONFIG_INT, T_CONFIG_SCOPE_CONNECTION }, /* 70 */
118: { "server.error-handler-404", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 71 */
119: { "server.http-parseopt-header-strict",NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 72 */
120: { "server.http-parseopt-host-strict", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 73 */
121: { "server.http-parseopt-host-normalize",NULL,T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_SERVER }, /* 74 */
122: { "server.bsd-accept-filter", NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION }, /* 75 */
123: { "server.stream-request-body", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 76 */
124: { "server.stream-response-body", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 77 */
125:
126: { NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
127: };
128:
129: /* all T_CONFIG_SCOPE_SERVER options */
130: cv[0].destination = srv->srvconf.bindhost;
131: cv[1].destination = srv->srvconf.errorlog_file;
132: cv[3].destination = srv->srvconf.changeroot;
133: cv[4].destination = srv->srvconf.username;
134: cv[5].destination = srv->srvconf.groupname;
135: cv[6].destination = &(srv->srvconf.port);
136: cv[9].destination = srv->srvconf.modules;
137:
138: cv[10].destination = srv->srvconf.event_handler;
139: cv[11].destination = srv->srvconf.pid_file;
140: cv[13].destination = &(srv->srvconf.max_worker);
141:
142: cv[23].destination = &(srv->srvconf.max_fds);
143:
144: cv[37].destination = &(srv->srvconf.log_request_header_on_error);
145: cv[38].destination = &(srv->srvconf.log_state_handling);
146:
147: cv[40].destination = &(srv->srvconf.errorlog_use_syslog);
148: stat_cache_string = buffer_init();
149: cv[42].destination = stat_cache_string;
150: cv[43].destination = &(srv->srvconf.max_conns);
151: cv[44].destination = srv->srvconf.network_backend;
152: cv[45].destination = srv->srvconf.upload_tempdirs;
153: cv[46].destination = &(srv->srvconf.enable_cores);
154:
155: cv[52].destination = &(srv->srvconf.reject_expect_100_with_417);
156: cv[55].destination = srv->srvconf.breakagelog_file;
157:
158: cv[68].destination = &(srv->srvconf.upload_temp_file_size);
159: cv[69].destination = srv->srvconf.xattr_name;
160: cv[72].destination = &(srv->srvconf.http_header_strict);
161: cv[73].destination = &(srv->srvconf.http_host_strict);
162: cv[74].destination = &(srv->srvconf.http_host_normalize);
163:
164: srv->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *));
165:
166: force_assert(srv->config_storage);
167:
168: for (i = 0; i < srv->config_context->used; i++) {
169: data_config const* config = (data_config const*)srv->config_context->data[i];
170: specific_config *s;
171:
172: s = calloc(1, sizeof(specific_config));
173: force_assert(s);
174: s->document_root = buffer_init();
175: s->mimetypes = array_init();
176: s->server_name = buffer_init();
177: s->ssl_pemfile = buffer_init();
178: s->ssl_ca_file = buffer_init();
179: s->error_handler = buffer_init();
180: s->error_handler_404 = buffer_init();
181: s->server_tag = buffer_init_string(PACKAGE_DESC);
182: s->ssl_cipher_list = buffer_init();
183: s->ssl_dh_file = buffer_init();
184: s->ssl_ec_curve = buffer_init();
185: s->errorfile_prefix = buffer_init();
186: #if defined(__FreeBSD__) || defined(__NetBSD__) \
187: || defined(__OpenBSD__) || defined(__DragonflyBSD__)
188: s->bsd_accept_filter = (i == 0)
189: ? buffer_init()
190: : buffer_init_buffer(srv->config_storage[0]->bsd_accept_filter);
191: #endif
192: s->max_keep_alive_requests = 16;
193: s->max_keep_alive_idle = 5;
194: s->max_read_idle = 60;
195: s->max_write_idle = 360;
196: s->max_request_size = 0;
197: s->use_xattr = 0;
198: s->ssl_enabled = 0;
199: s->ssl_honor_cipher_order = 1;
200: s->ssl_empty_fragments = 0;
201: s->ssl_use_sslv2 = 0;
202: s->ssl_use_sslv3 = 0;
203: s->use_ipv6 = (i == 0) ? 0 : srv->config_storage[0]->use_ipv6;
204: s->set_v6only = (i == 0) ? 1 : srv->config_storage[0]->set_v6only;
205: s->defer_accept = (i == 0) ? 0 : srv->config_storage[0]->defer_accept;
206: #ifdef HAVE_LSTAT
207: s->follow_symlink = 1;
208: #endif
209: s->kbytes_per_second = 0;
210: s->allow_http11 = 1;
211: s->etag_use_inode = 1;
212: s->etag_use_mtime = 1;
213: s->etag_use_size = 1;
214: s->range_requests = 1;
215: s->force_lowercase_filenames = (i == 0) ? 2 : 0; /* we wan't to detect later if user changed this for global section */
216: s->global_kbytes_per_second = 0;
217: s->global_bytes_per_second_cnt = 0;
218: s->global_bytes_per_second_cnt_ptr = &s->global_bytes_per_second_cnt;
219: s->ssl_verifyclient = 0;
220: s->ssl_verifyclient_enforce = 1;
221: s->ssl_verifyclient_username = buffer_init();
222: s->ssl_verifyclient_depth = 9;
223: s->ssl_verifyclient_export_cert = 0;
224: s->ssl_disable_client_renegotiation = 1;
225: s->listen_backlog = (0 == i ? 1024 : srv->config_storage[0]->listen_backlog);
226: s->stream_request_body = 0;
227: s->stream_response_body = 0;
228:
229: /* all T_CONFIG_SCOPE_CONNECTION options */
230: cv[2].destination = s->errorfile_prefix;
231: cv[7].destination = s->server_tag;
232: cv[8].destination = &(s->use_ipv6);
233:
234: cv[12].destination = &(s->max_request_size);
235: cv[14].destination = s->document_root;
236: cv[15].destination = &(s->force_lowercase_filenames);
237: cv[16].destination = &(s->log_condition_handling);
238: cv[17].destination = &(s->max_keep_alive_requests);
239: cv[18].destination = s->server_name;
240: cv[19].destination = &(s->max_keep_alive_idle);
241:
242: cv[20].destination = &(s->max_read_idle);
243: cv[21].destination = &(s->max_write_idle);
244: cv[22].destination = s->error_handler;
245: #ifdef HAVE_LSTAT
246: cv[24].destination = &(s->follow_symlink);
247: #endif
248: cv[25].destination = &(s->global_kbytes_per_second);
249: cv[26].destination = &(s->kbytes_per_second);
250: cv[27].destination = &(s->use_xattr);
251: cv[28].destination = s->mimetypes;
252: cv[29].destination = s->ssl_pemfile;
253:
254: cv[30].destination = &(s->ssl_enabled);
255: cv[31].destination = &(s->log_file_not_found);
256: cv[32].destination = &(s->log_request_handling);
257: cv[33].destination = &(s->log_response_header);
258: cv[34].destination = &(s->log_request_header);
259: cv[35].destination = &(s->log_ssl_noise);
260: cv[36].destination = &(s->allow_http11);
261: cv[39].destination = s->ssl_ca_file;
262:
263: cv[41].destination = &(s->range_requests);
264: cv[47].destination = s->ssl_cipher_list;
265: cv[48].destination = &(s->ssl_use_sslv2);
266: cv[49].destination = &(s->etag_use_inode);
267:
268: cv[50].destination = &(s->etag_use_mtime);
269: cv[51].destination = &(s->etag_use_size);
270: cv[53].destination = &(s->log_timeouts);
271: cv[54].destination = &(s->defer_accept);
272: cv[56].destination = &(s->ssl_verifyclient);
273: cv[57].destination = &(s->ssl_verifyclient_enforce);
274: cv[58].destination = &(s->ssl_verifyclient_depth);
275: cv[59].destination = s->ssl_verifyclient_username;
276:
277: cv[60].destination = &(s->ssl_verifyclient_export_cert);
278: cv[61].destination = &(s->set_v6only);
279: cv[62].destination = &(s->ssl_use_sslv3);
280: cv[63].destination = s->ssl_dh_file;
281: cv[64].destination = s->ssl_ec_curve;
282: cv[65].destination = &(s->ssl_disable_client_renegotiation);
283: cv[66].destination = &(s->ssl_honor_cipher_order);
284: cv[67].destination = &(s->ssl_empty_fragments);
285: cv[70].destination = &(s->listen_backlog);
286: cv[71].destination = s->error_handler_404;
287: #if defined(__FreeBSD__) || defined(__NetBSD__) \
288: || defined(__OpenBSD__) || defined(__DragonflyBSD__)
289: cv[75].destination = s->bsd_accept_filter;
290: #endif
291: cv[76].destination = &(s->stream_request_body);
292: cv[77].destination = &(s->stream_response_body);
293:
294: srv->config_storage[i] = s;
295:
296: if (0 != (ret = config_insert_values_global(srv, config->value, cv, i == 0 ? T_CONFIG_SCOPE_SERVER : T_CONFIG_SCOPE_CONNECTION))) {
297: break;
298: }
299:
300: if (s->stream_request_body & FDEVENT_STREAM_REQUEST_BUFMIN) {
301: s->stream_request_body |= FDEVENT_STREAM_REQUEST;
302: }
303: if (s->stream_response_body & FDEVENT_STREAM_RESPONSE_BUFMIN) {
304: s->stream_response_body |= FDEVENT_STREAM_RESPONSE;
305: }
306: }
307:
308: {
309: specific_config *s = srv->config_storage[0];
310: s->http_parseopts= /*(global, but stored in con->conf.http_parseopts)*/
311: (srv->srvconf.http_header_strict ?(HTTP_PARSEOPT_HEADER_STRICT) :0)
312: |(srv->srvconf.http_host_strict ?(HTTP_PARSEOPT_HOST_STRICT
313: |HTTP_PARSEOPT_HOST_NORMALIZE):0)
314: |(srv->srvconf.http_host_normalize ?(HTTP_PARSEOPT_HOST_NORMALIZE):0);
315: }
316:
317: if (buffer_string_is_empty(stat_cache_string)) {
318: srv->srvconf.stat_cache_engine = STAT_CACHE_ENGINE_SIMPLE;
319: } else if (buffer_is_equal_string(stat_cache_string, CONST_STR_LEN("simple"))) {
320: srv->srvconf.stat_cache_engine = STAT_CACHE_ENGINE_SIMPLE;
321: #ifdef HAVE_FAM_H
322: } else if (buffer_is_equal_string(stat_cache_string, CONST_STR_LEN("fam"))) {
323: srv->srvconf.stat_cache_engine = STAT_CACHE_ENGINE_FAM;
324: #endif
325: } else if (buffer_is_equal_string(stat_cache_string, CONST_STR_LEN("disable"))) {
326: srv->srvconf.stat_cache_engine = STAT_CACHE_ENGINE_NONE;
327: } else {
328: log_error_write(srv, __FILE__, __LINE__, "sb",
329: "server.stat-cache-engine can be one of \"disable\", \"simple\","
330: #ifdef HAVE_FAM_H
331: " \"fam\","
332: #endif
333: " but not:", stat_cache_string);
334: ret = HANDLER_ERROR;
335: }
336:
337: buffer_free(stat_cache_string);
338:
339: {
340: data_string *ds;
341: int prepend_mod_indexfile = 1;
342: int append_mod_dirlisting = 1;
343: int append_mod_staticfile = 1;
344:
345: /* prepend default modules */
346: for (i = 0; i < srv->srvconf.modules->used; i++) {
347: ds = (data_string *)srv->srvconf.modules->data[i];
348:
349: if (buffer_is_equal_string(ds->value, CONST_STR_LEN("mod_indexfile"))) {
350: prepend_mod_indexfile = 0;
351: }
352:
353: if (buffer_is_equal_string(ds->value, CONST_STR_LEN("mod_staticfile"))) {
354: append_mod_staticfile = 0;
355: }
356:
357: if (buffer_is_equal_string(ds->value, CONST_STR_LEN("mod_dirlisting"))) {
358: append_mod_dirlisting = 0;
359: }
360:
361: if (0 == prepend_mod_indexfile &&
362: 0 == append_mod_dirlisting &&
363: 0 == append_mod_staticfile) {
364: break;
365: }
366: }
367:
368: if (prepend_mod_indexfile) {
369: /* mod_indexfile has to be loaded before mod_fastcgi and friends */
370: array *modules = array_init();
371:
372: ds = data_string_init();
373: buffer_copy_string_len(ds->value, CONST_STR_LEN("mod_indexfile"));
374: array_insert_unique(modules, (data_unset *)ds);
375:
376: for (i = 0; i < srv->srvconf.modules->used; i++) {
377: data_unset *du = srv->srvconf.modules->data[i];
378: array_insert_unique(modules, du->copy(du));
379: }
380:
381: array_free(srv->srvconf.modules);
382: srv->srvconf.modules = modules;
383: }
384:
385: /* append default modules */
386: if (append_mod_dirlisting) {
387: ds = data_string_init();
388: buffer_copy_string_len(ds->value, CONST_STR_LEN("mod_dirlisting"));
389: array_insert_unique(srv->srvconf.modules, (data_unset *)ds);
390: }
391:
392: if (append_mod_staticfile) {
393: ds = data_string_init();
394: buffer_copy_string_len(ds->value, CONST_STR_LEN("mod_staticfile"));
395: array_insert_unique(srv->srvconf.modules, (data_unset *)ds);
396: }
397: }
398:
399: return ret;
400:
401: }
402:
403:
404: #define PATCH(x) con->conf.x = s->x
405: int config_setup_connection(server *srv, connection *con) {
406: specific_config *s = srv->config_storage[0];
407:
408: PATCH(http_parseopts);
409:
410: PATCH(allow_http11);
411: PATCH(mimetypes);
412: PATCH(document_root);
413: PATCH(high_precision_timestamps);
414: PATCH(max_keep_alive_requests);
415: PATCH(max_keep_alive_idle);
416: PATCH(max_read_idle);
417: PATCH(max_write_idle);
418: PATCH(max_request_size);
419: PATCH(use_xattr);
420: PATCH(error_handler);
421: PATCH(error_handler_404);
422: PATCH(errorfile_prefix);
423: #ifdef HAVE_LSTAT
424: PATCH(follow_symlink);
425: #endif
426: PATCH(server_tag);
427: PATCH(kbytes_per_second);
428: PATCH(global_kbytes_per_second);
429: PATCH(global_bytes_per_second_cnt);
430:
431: con->conf.global_bytes_per_second_cnt_ptr = &s->global_bytes_per_second_cnt;
432: buffer_copy_buffer(con->server_name, s->server_name);
433:
434: PATCH(log_request_header);
435: PATCH(log_response_header);
436: PATCH(log_request_handling);
437: PATCH(log_condition_handling);
438: PATCH(log_file_not_found);
439: PATCH(log_ssl_noise);
440: PATCH(log_timeouts);
441:
442: PATCH(range_requests);
443: PATCH(force_lowercase_filenames);
444: /*PATCH(listen_backlog);*//*(not necessary; used only at startup)*/
445: PATCH(stream_request_body);
446: PATCH(stream_response_body);
447:
448: PATCH(ssl_enabled);
449:
450: PATCH(ssl_pemfile);
451: #ifdef USE_OPENSSL
452: PATCH(ssl_pemfile_x509);
453: PATCH(ssl_pemfile_pkey);
454: #endif
455: PATCH(ssl_ca_file);
456: #ifdef USE_OPENSSL
457: PATCH(ssl_ca_file_cert_names);
458: #endif
459: PATCH(ssl_cipher_list);
460: PATCH(ssl_dh_file);
461: PATCH(ssl_ec_curve);
462: PATCH(ssl_honor_cipher_order);
463: PATCH(ssl_empty_fragments);
464: PATCH(ssl_use_sslv2);
465: PATCH(ssl_use_sslv3);
466: PATCH(etag_use_inode);
467: PATCH(etag_use_mtime);
468: PATCH(etag_use_size);
469:
470: PATCH(ssl_verifyclient);
471: PATCH(ssl_verifyclient_enforce);
472: PATCH(ssl_verifyclient_depth);
473: PATCH(ssl_verifyclient_username);
474: PATCH(ssl_verifyclient_export_cert);
475: PATCH(ssl_disable_client_renegotiation);
476:
477: return 0;
478: }
479:
480: int config_patch_connection(server *srv, connection *con) {
481: size_t i, j;
482:
483: /* skip the first, the global context */
484: for (i = 1; i < srv->config_context->used; i++) {
485: data_config *dc = (data_config *)srv->config_context->data[i];
486: specific_config *s = srv->config_storage[i];
487:
488: /* condition didn't match */
489: if (!config_check_cond(srv, con, dc)) continue;
490:
491: /* merge config */
492: for (j = 0; j < dc->value->used; j++) {
493: data_unset *du = dc->value->data[j];
494:
495: if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.document-root"))) {
496: PATCH(document_root);
497: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.range-requests"))) {
498: PATCH(range_requests);
499: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.error-handler"))) {
500: PATCH(error_handler);
501: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.error-handler-404"))) {
502: PATCH(error_handler_404);
503: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.errorfile-prefix"))) {
504: PATCH(errorfile_prefix);
505: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("mimetype.assign"))) {
506: PATCH(mimetypes);
507: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.max-keep-alive-requests"))) {
508: PATCH(max_keep_alive_requests);
509: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.max-keep-alive-idle"))) {
510: PATCH(max_keep_alive_idle);
511: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.max-write-idle"))) {
512: PATCH(max_write_idle);
513: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.max-read-idle"))) {
514: PATCH(max_read_idle);
515: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.max-request-size"))) {
516: PATCH(max_request_size);
517: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("mimetype.use-xattr"))) {
518: PATCH(use_xattr);
519: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("etag.use-inode"))) {
520: PATCH(etag_use_inode);
521: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("etag.use-mtime"))) {
522: PATCH(etag_use_mtime);
523: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("etag.use-size"))) {
524: PATCH(etag_use_size);
525: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.pemfile"))) {
526: PATCH(ssl_pemfile);
527: #ifdef USE_OPENSSL
528: PATCH(ssl_pemfile_x509);
529: PATCH(ssl_pemfile_pkey);
530: #endif
531: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.ca-file"))) {
532: PATCH(ssl_ca_file);
533: #ifdef USE_OPENSSL
534: PATCH(ssl_ca_file_cert_names);
535: #endif
536: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.honor-cipher-order"))) {
537: PATCH(ssl_honor_cipher_order);
538: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.empty-fragments"))) {
539: PATCH(ssl_empty_fragments);
540: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.use-sslv2"))) {
541: PATCH(ssl_use_sslv2);
542: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.use-sslv3"))) {
543: PATCH(ssl_use_sslv3);
544: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.cipher-list"))) {
545: PATCH(ssl_cipher_list);
546: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.engine"))) {
547: PATCH(ssl_enabled);
548: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.dh-file"))) {
549: PATCH(ssl_dh_file);
550: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.ec-curve"))) {
551: PATCH(ssl_ec_curve);
552: #ifdef HAVE_LSTAT
553: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.follow-symlink"))) {
554: PATCH(follow_symlink);
555: #endif
556: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.name"))) {
557: buffer_copy_buffer(con->server_name, s->server_name);
558: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.tag"))) {
559: PATCH(server_tag);
560: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.stream-request-body"))) {
561: PATCH(stream_request_body);
562: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.stream-response-body"))) {
563: PATCH(stream_response_body);
564: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("connection.kbytes-per-second"))) {
565: PATCH(kbytes_per_second);
566: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-request-handling"))) {
567: PATCH(log_request_handling);
568: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-request-header"))) {
569: PATCH(log_request_header);
570: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-response-header"))) {
571: PATCH(log_response_header);
572: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-condition-handling"))) {
573: PATCH(log_condition_handling);
574: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-file-not-found"))) {
575: PATCH(log_file_not_found);
576: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-ssl-noise"))) {
577: PATCH(log_ssl_noise);
578: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("debug.log-timeouts"))) {
579: PATCH(log_timeouts);
580: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.protocol-http11"))) {
581: PATCH(allow_http11);
582: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.force-lowercase-filenames"))) {
583: PATCH(force_lowercase_filenames);
584: #if 0 /*(not necessary; used only at startup)*/
585: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.listen-backlog"))) {
586: PATCH(listen_backlog);
587: #endif
588: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("server.kbytes-per-second"))) {
589: PATCH(global_kbytes_per_second);
590: PATCH(global_bytes_per_second_cnt);
591: con->conf.global_bytes_per_second_cnt_ptr = &s->global_bytes_per_second_cnt;
592: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.activate"))) {
593: PATCH(ssl_verifyclient);
594: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.enforce"))) {
595: PATCH(ssl_verifyclient_enforce);
596: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.depth"))) {
597: PATCH(ssl_verifyclient_depth);
598: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.username"))) {
599: PATCH(ssl_verifyclient_username);
600: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.verifyclient.exportcert"))) {
601: PATCH(ssl_verifyclient_export_cert);
602: } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("ssl.disable-client-renegotiation"))) {
603: PATCH(ssl_disable_client_renegotiation);
604: }
605: }
606: }
607:
608: con->etag_flags = (con->conf.etag_use_mtime ? ETAG_USE_MTIME : 0) |
609: (con->conf.etag_use_inode ? ETAG_USE_INODE : 0) |
610: (con->conf.etag_use_size ? ETAG_USE_SIZE : 0);
611:
612: return 0;
613: }
614: #undef PATCH
615:
616: typedef struct {
617: int foo;
618: int bar;
619:
620: const buffer *source;
621: const char *input;
622: size_t offset;
623: size_t size;
624:
625: int line_pos;
626: int line;
627:
628: int in_key;
629: int in_brace;
630: int in_cond;
631: } tokenizer_t;
632:
633: #if 0
634: static int tokenizer_open(server *srv, tokenizer_t *t, buffer *basedir, const char *fn) {
635: if (buffer_string_is_empty(basedir) ||
636: (fn[0] == '/' || fn[0] == '\\') ||
637: (fn[0] == '.' && (fn[1] == '/' || fn[1] == '\\'))) {
638: t->file = buffer_init_string(fn);
639: } else {
640: t->file = buffer_init_buffer(basedir);
641: buffer_append_string(t->file, fn);
642: }
643:
644: if (0 != stream_open(&(t->s), t->file)) {
645: log_error_write(srv, __FILE__, __LINE__, "sbss",
646: "opening configfile ", t->file, "failed:", strerror(errno));
647: buffer_free(t->file);
648: return -1;
649: }
650:
651: t->input = t->s.start;
652: t->offset = 0;
653: t->size = t->s.size;
654: t->line = 1;
655: t->line_pos = 1;
656:
657: t->in_key = 1;
658: t->in_brace = 0;
659: t->in_cond = 0;
660: return 0;
661: }
662:
663: static int tokenizer_close(server *srv, tokenizer_t *t) {
664: UNUSED(srv);
665:
666: buffer_free(t->file);
667: return stream_close(&(t->s));
668: }
669: #endif
670: static int config_skip_newline(tokenizer_t *t) {
671: int skipped = 1;
672: force_assert(t->input[t->offset] == '\r' || t->input[t->offset] == '\n');
673: if (t->input[t->offset] == '\r' && t->input[t->offset + 1] == '\n') {
674: skipped ++;
675: t->offset ++;
676: }
677: t->offset ++;
678: return skipped;
679: }
680:
681: static int config_skip_comment(tokenizer_t *t) {
682: int i;
683: force_assert(t->input[t->offset] == '#');
684: for (i = 1; t->input[t->offset + i] &&
685: (t->input[t->offset + i] != '\n' && t->input[t->offset + i] != '\r');
686: i++);
687: t->offset += i;
688: return i;
689: }
690:
691: static int config_tokenizer(server *srv, tokenizer_t *t, int *token_id, buffer *token) {
692: int tid = 0;
693: size_t i;
694:
695: for (tid = 0; tid == 0 && t->offset < t->size && t->input[t->offset] ; ) {
696: char c = t->input[t->offset];
697: const char *start = NULL;
698:
699: switch (c) {
700: case '=':
701: if (t->in_brace) {
702: if (t->input[t->offset + 1] == '>') {
703: t->offset += 2;
704:
705: buffer_copy_string_len(token, CONST_STR_LEN("=>"));
706:
707: tid = TK_ARRAY_ASSIGN;
708: } else {
709: log_error_write(srv, __FILE__, __LINE__, "sbsdsds",
710: "source:", t->source,
711: "line:", t->line, "pos:", t->line_pos,
712: "use => for assignments in arrays");
713: return -1;
714: }
715: } else if (t->in_cond) {
716: if (t->input[t->offset + 1] == '=') {
717: t->offset += 2;
718:
719: buffer_copy_string_len(token, CONST_STR_LEN("=="));
720:
721: tid = TK_EQ;
722: } else if (t->input[t->offset + 1] == '~') {
723: t->offset += 2;
724:
725: buffer_copy_string_len(token, CONST_STR_LEN("=~"));
726:
727: tid = TK_MATCH;
728: } else {
729: log_error_write(srv, __FILE__, __LINE__, "sbsdsds",
730: "source:", t->source,
731: "line:", t->line, "pos:", t->line_pos,
732: "only =~ and == are allowed in the condition");
733: return -1;
734: }
735: t->in_key = 1;
736: t->in_cond = 0;
737: } else if (t->in_key) {
738: tid = TK_ASSIGN;
739:
740: buffer_copy_string_len(token, t->input + t->offset, 1);
741:
742: t->offset++;
743: t->line_pos++;
744: } else {
745: log_error_write(srv, __FILE__, __LINE__, "sbsdsds",
746: "source:", t->source,
747: "line:", t->line, "pos:", t->line_pos,
748: "unexpected equal-sign: =");
749: return -1;
750: }
751:
752: break;
753: case '!':
754: if (t->in_cond) {
755: if (t->input[t->offset + 1] == '=') {
756: t->offset += 2;
757:
758: buffer_copy_string_len(token, CONST_STR_LEN("!="));
759:
760: tid = TK_NE;
761: } else if (t->input[t->offset + 1] == '~') {
762: t->offset += 2;
763:
764: buffer_copy_string_len(token, CONST_STR_LEN("!~"));
765:
766: tid = TK_NOMATCH;
767: } else {
768: log_error_write(srv, __FILE__, __LINE__, "sbsdsds",
769: "source:", t->source,
770: "line:", t->line, "pos:", t->line_pos,
771: "only !~ and != are allowed in the condition");
772: return -1;
773: }
774: t->in_key = 1;
775: t->in_cond = 0;
776: } else {
777: log_error_write(srv, __FILE__, __LINE__, "sbsdsds",
778: "source:", t->source,
779: "line:", t->line, "pos:", t->line_pos,
780: "unexpected exclamation-marks: !");
781: return -1;
782: }
783:
784: break;
785: case '\t':
786: case ' ':
787: t->offset++;
788: t->line_pos++;
789: break;
790: case '\n':
791: case '\r':
792: if (t->in_brace == 0) {
793: int done = 0;
794: while (!done && t->offset < t->size) {
795: switch (t->input[t->offset]) {
796: case '\r':
797: case '\n':
798: config_skip_newline(t);
799: t->line_pos = 1;
800: t->line++;
801: break;
802:
803: case '#':
804: t->line_pos += config_skip_comment(t);
805: break;
806:
807: case '\t':
808: case ' ':
809: t->offset++;
810: t->line_pos++;
811: break;
812:
813: default:
814: done = 1;
815: }
816: }
817: t->in_key = 1;
818: tid = TK_EOL;
819: buffer_copy_string_len(token, CONST_STR_LEN("(EOL)"));
820: } else {
821: config_skip_newline(t);
822: t->line_pos = 1;
823: t->line++;
824: }
825: break;
826: case ',':
827: if (t->in_brace > 0) {
828: tid = TK_COMMA;
829:
830: buffer_copy_string_len(token, CONST_STR_LEN("(COMMA)"));
831: }
832:
833: t->offset++;
834: t->line_pos++;
835: break;
836: case '"':
837: /* search for the terminating " */
838: start = t->input + t->offset + 1;
839: buffer_copy_string_len(token, CONST_STR_LEN(""));
840:
841: for (i = 1; t->input[t->offset + i]; i++) {
842: if (t->input[t->offset + i] == '\\' &&
843: t->input[t->offset + i + 1] == '"') {
844:
845: buffer_append_string_len(token, start, t->input + t->offset + i - start);
846:
847: start = t->input + t->offset + i + 1;
848:
849: /* skip the " */
850: i++;
851: continue;
852: }
853:
854:
855: if (t->input[t->offset + i] == '"') {
856: tid = TK_STRING;
857:
858: buffer_append_string_len(token, start, t->input + t->offset + i - start);
859:
860: break;
861: }
862: }
863:
864: if (t->input[t->offset + i] == '\0') {
865: /* ERROR */
866:
867: log_error_write(srv, __FILE__, __LINE__, "sbsdsds",
868: "source:", t->source,
869: "line:", t->line, "pos:", t->line_pos,
870: "missing closing quote");
871:
872: return -1;
873: }
874:
875: t->offset += i + 1;
876: t->line_pos += i + 1;
877:
878: break;
879: case '(':
880: t->offset++;
881: t->in_brace++;
882:
883: tid = TK_LPARAN;
884:
885: buffer_copy_string_len(token, CONST_STR_LEN("("));
886: break;
887: case ')':
888: t->offset++;
889: t->in_brace--;
890:
891: tid = TK_RPARAN;
892:
893: buffer_copy_string_len(token, CONST_STR_LEN(")"));
894: break;
895: case '$':
896: t->offset++;
897:
898: tid = TK_DOLLAR;
899: t->in_cond = 1;
900: t->in_key = 0;
901:
902: buffer_copy_string_len(token, CONST_STR_LEN("$"));
903:
904: break;
905:
906: case '+':
907: if (t->input[t->offset + 1] == '=') {
908: t->offset += 2;
909: buffer_copy_string_len(token, CONST_STR_LEN("+="));
910: tid = TK_APPEND;
911: } else {
912: t->offset++;
913: tid = TK_PLUS;
914: buffer_copy_string_len(token, CONST_STR_LEN("+"));
915: }
916: break;
917:
918: case '{':
919: t->offset++;
920:
921: tid = TK_LCURLY;
922:
923: buffer_copy_string_len(token, CONST_STR_LEN("{"));
924:
925: break;
926:
927: case '}':
928: t->offset++;
929:
930: tid = TK_RCURLY;
931:
932: buffer_copy_string_len(token, CONST_STR_LEN("}"));
933:
934: break;
935:
936: case '[':
937: t->offset++;
938:
939: tid = TK_LBRACKET;
940:
941: buffer_copy_string_len(token, CONST_STR_LEN("["));
942:
943: break;
944:
945: case ']':
946: t->offset++;
947:
948: tid = TK_RBRACKET;
949:
950: buffer_copy_string_len(token, CONST_STR_LEN("]"));
951:
952: break;
953: case '#':
954: t->line_pos += config_skip_comment(t);
955:
956: break;
957: default:
958: if (t->in_cond) {
959: for (i = 0; t->input[t->offset + i] &&
960: (isalpha((unsigned char)t->input[t->offset + i])
961: ); i++);
962:
963: if (i && t->input[t->offset + i]) {
964: tid = TK_SRVVARNAME;
965: buffer_copy_string_len(token, t->input + t->offset, i);
966:
967: t->offset += i;
968: t->line_pos += i;
969: } else {
970: /* ERROR */
971: log_error_write(srv, __FILE__, __LINE__, "sbsdsds",
972: "source:", t->source,
973: "line:", t->line, "pos:", t->line_pos,
974: "invalid character in condition");
975: return -1;
976: }
977: } else if (isdigit((unsigned char)c)) {
978: /* take all digits */
979: for (i = 0; t->input[t->offset + i] && isdigit((unsigned char)t->input[t->offset + i]); i++);
980:
981: /* was there it least a digit ? */
982: if (i) {
983: tid = TK_INTEGER;
984:
985: buffer_copy_string_len(token, t->input + t->offset, i);
986:
987: t->offset += i;
988: t->line_pos += i;
989: }
990: } else {
991: /* the key might consist of [-.0-9a-z] */
992: for (i = 0; t->input[t->offset + i] &&
993: (isalnum((unsigned char)t->input[t->offset + i]) ||
994: t->input[t->offset + i] == '.' ||
995: t->input[t->offset + i] == '_' || /* for env.* */
996: t->input[t->offset + i] == '-'
997: ); i++);
998:
999: if (i && t->input[t->offset + i]) {
1000: buffer_copy_string_len(token, t->input + t->offset, i);
1001:
1002: if (strcmp(token->ptr, "include") == 0) {
1003: tid = TK_INCLUDE;
1004: } else if (strcmp(token->ptr, "include_shell") == 0) {
1005: tid = TK_INCLUDE_SHELL;
1006: } else if (strcmp(token->ptr, "global") == 0) {
1007: tid = TK_GLOBAL;
1008: } else if (strcmp(token->ptr, "else") == 0) {
1009: tid = TK_ELSE;
1010: } else {
1011: tid = TK_LKEY;
1012: }
1013:
1014: t->offset += i;
1015: t->line_pos += i;
1016: } else {
1017: /* ERROR */
1018: log_error_write(srv, __FILE__, __LINE__, "sbsdsds",
1019: "source:", t->source,
1020: "line:", t->line, "pos:", t->line_pos,
1021: "invalid character in variable name");
1022: return -1;
1023: }
1024: }
1025: break;
1026: }
1027: }
1028:
1029: if (tid) {
1030: *token_id = tid;
1031: #if 0
1032: log_error_write(srv, __FILE__, __LINE__, "sbsdsdbdd",
1033: "source:", t->source,
1034: "line:", t->line, "pos:", t->line_pos,
1035: token, token->used - 1, tid);
1036: #endif
1037:
1038: return 1;
1039: } else if (t->offset < t->size) {
1040: fprintf(stderr, "%s.%d: %d, %s\n",
1041: __FILE__, __LINE__,
1042: tid, token->ptr);
1043: }
1044: return 0;
1045: }
1046:
1047: static int config_parse(server *srv, config_t *context, tokenizer_t *t) {
1048: void *pParser;
1049: int token_id;
1050: buffer *token, *lasttoken;
1051: int ret;
1052:
1053: pParser = configparserAlloc( malloc );
1054: force_assert(pParser);
1055: lasttoken = buffer_init();
1056: token = buffer_init();
1057: while((1 == (ret = config_tokenizer(srv, t, &token_id, token))) && context->ok) {
1058: buffer_copy_buffer(lasttoken, token);
1059: configparser(pParser, token_id, token, context);
1060:
1061: token = buffer_init();
1062: }
1063: buffer_free(token);
1064:
1065: if (ret != -1 && context->ok) {
1066: /* add an EOL at EOF, better than say sorry */
1067: configparser(pParser, TK_EOL, buffer_init_string("(EOL)"), context);
1068: if (context->ok) {
1069: configparser(pParser, 0, NULL, context);
1070: }
1071: }
1072: configparserFree(pParser, free);
1073:
1074: if (ret == -1) {
1075: log_error_write(srv, __FILE__, __LINE__, "sb",
1076: "configfile parser failed at:", lasttoken);
1077: } else if (context->ok == 0) {
1078: log_error_write(srv, __FILE__, __LINE__, "sbsdsdsb",
1079: "source:", t->source,
1080: "line:", t->line, "pos:", t->line_pos,
1081: "parser failed somehow near here:", lasttoken);
1082: ret = -1;
1083: }
1084: buffer_free(lasttoken);
1085:
1086: return ret == -1 ? -1 : 0;
1087: }
1088:
1089: static int tokenizer_init(tokenizer_t *t, const buffer *source, const char *input, size_t size) {
1090:
1091: t->source = source;
1092: t->input = input;
1093: t->size = size;
1094: t->offset = 0;
1095: t->line = 1;
1096: t->line_pos = 1;
1097:
1098: t->in_key = 1;
1099: t->in_brace = 0;
1100: t->in_cond = 0;
1101: return 0;
1102: }
1103:
1104: static int config_parse_file_stream(server *srv, config_t *context, const buffer *filename) {
1105: tokenizer_t t;
1106: stream s;
1107: int ret;
1108:
1109: if (0 != stream_open(&s, filename)) {
1110: log_error_write(srv, __FILE__, __LINE__, "sbss",
1111: "opening configfile ", filename, "failed:", strerror(errno));
1112: return -1;
1113: } else {
1114: tokenizer_init(&t, filename, s.start, s.size);
1115: ret = config_parse(srv, context, &t);
1116: }
1117:
1118: stream_close(&s);
1119: return ret;
1120: }
1121:
1122: int config_parse_file(server *srv, config_t *context, const char *fn) {
1123: buffer *filename;
1124: size_t i;
1125: int ret = -1;
1126: #ifdef GLOB_BRACE
1127: int flags = GLOB_BRACE;
1128: #else
1129: int flags = 0;
1130: #endif
1131: glob_t gl;
1132:
1133: if ((fn[0] == '/' || fn[0] == '\\') ||
1134: (fn[0] == '.' && (fn[1] == '/' || fn[1] == '\\')) ||
1135: (fn[0] == '.' && fn[1] == '.' && (fn[2] == '/' || fn[2] == '\\'))) {
1136: filename = buffer_init_string(fn);
1137: } else {
1138: filename = buffer_init_buffer(context->basedir);
1139: buffer_append_string(filename, fn);
1140: }
1141:
1142: switch (glob(filename->ptr, flags, NULL, &gl)) {
1143: case 0:
1144: for (i = 0; i < gl.gl_pathc; ++i) {
1145: buffer_copy_string(filename, gl.gl_pathv[i]);
1146: ret = config_parse_file_stream(srv, context, filename);
1147: if (0 != ret) break;
1148: }
1149: globfree(&gl);
1150: break;
1151: case GLOB_NOMATCH:
1152: if (filename->ptr[strcspn(filename->ptr, "*?[]{}")] != '\0') { /*(contains glob metachars)*/
1153: ret = 0; /* not an error if no files match glob pattern */
1154: }
1155: else {
1156: log_error_write(srv, __FILE__, __LINE__, "sb", "include file not found: ", filename);
1157: }
1158: break;
1159: case GLOB_ABORTED:
1160: case GLOB_NOSPACE:
1161: log_error_write(srv, __FILE__, __LINE__, "sbss", "glob()", filename, "failed:", strerror(errno));
1162: break;
1163: }
1164:
1165: buffer_free(filename);
1166: return ret;
1167: }
1168:
1169: static char* getCWD(void) {
1170: char *s, *s1;
1171: size_t len;
1172: #ifdef PATH_MAX
1173: len = PATH_MAX;
1174: #else
1175: len = 4096;
1176: #endif
1177:
1178: s = malloc(len);
1179: if (!s) return NULL;
1180: while (NULL == getcwd(s, len)) {
1181: if (errno != ERANGE || SSIZE_MAX - len < len) {
1182: free(s);
1183: return NULL;
1184: }
1185: len *= 2;
1186: s1 = realloc(s, len);
1187: if (!s1) {
1188: free(s);
1189: return NULL;
1190: }
1191: s = s1;
1192: }
1193: return s;
1194: }
1195:
1196: int config_parse_cmd(server *srv, config_t *context, const char *cmd) {
1197: tokenizer_t t;
1198: int ret;
1199: buffer *source;
1200: buffer *out;
1201: char *oldpwd;
1202:
1203: if (NULL == (oldpwd = getCWD())) {
1204: log_error_write(srv, __FILE__, __LINE__, "s",
1205: "cannot get cwd", strerror(errno));
1206: return -1;
1207: }
1208:
1209: if (!buffer_string_is_empty(context->basedir)) {
1210: if (0 != chdir(context->basedir->ptr)) {
1211: log_error_write(srv, __FILE__, __LINE__, "sbs",
1212: "cannot change directory to", context->basedir, strerror(errno));
1213: free(oldpwd);
1214: return -1;
1215: }
1216: }
1217:
1218: source = buffer_init_string(cmd);
1219: out = buffer_init();
1220:
1221: if (0 != proc_open_buffer(cmd, NULL, out, NULL)) {
1222: log_error_write(srv, __FILE__, __LINE__, "sbss",
1223: "opening", source, "failed:", strerror(errno));
1224: ret = -1;
1225: } else {
1226: tokenizer_init(&t, source, CONST_BUF_LEN(out));
1227: ret = config_parse(srv, context, &t);
1228: }
1229:
1230: buffer_free(source);
1231: buffer_free(out);
1232: if (0 != chdir(oldpwd)) {
1233: log_error_write(srv, __FILE__, __LINE__, "sss",
1234: "cannot change directory to", oldpwd, strerror(errno));
1235: free(oldpwd);
1236: return -1;
1237: }
1238: free(oldpwd);
1239: return ret;
1240: }
1241:
1242: static void context_init(server *srv, config_t *context) {
1243: context->srv = srv;
1244: context->ok = 1;
1245: vector_config_weak_init(&context->configs_stack);
1246: context->basedir = buffer_init();
1247: }
1248:
1249: static void context_free(config_t *context) {
1250: vector_config_weak_clear(&context->configs_stack);
1251: buffer_free(context->basedir);
1252: }
1253:
1254: int config_read(server *srv, const char *fn) {
1255: config_t context;
1256: data_config *dc;
1257: data_integer *dpid;
1258: data_string *dcwd;
1259: int ret;
1260: char *pos;
1261: buffer *filename;
1262:
1263: context_init(srv, &context);
1264: context.all_configs = srv->config_context;
1265:
1266: #ifdef __WIN32
1267: pos = strrchr(fn, '\\');
1268: #else
1269: pos = strrchr(fn, '/');
1270: #endif
1271: if (pos) {
1272: buffer_copy_string_len(context.basedir, fn, pos - fn + 1);
1273: }
1274:
1275: dc = data_config_init();
1276: buffer_copy_string_len(dc->key, CONST_STR_LEN("global"));
1277:
1278: force_assert(context.all_configs->used == 0);
1279: dc->context_ndx = context.all_configs->used;
1280: array_insert_unique(context.all_configs, (data_unset *)dc);
1281: context.current = dc;
1282:
1283: /* default context */
1284: dpid = data_integer_init();
1285: dpid->value = getpid();
1286: buffer_copy_string_len(dpid->key, CONST_STR_LEN("var.PID"));
1287: array_insert_unique(dc->value, (data_unset *)dpid);
1288:
1289: dcwd = data_string_init();
1290: buffer_string_prepare_copy(dcwd->value, 1023);
1291: if (NULL != getcwd(dcwd->value->ptr, dcwd->value->size - 1)) {
1292: buffer_commit(dcwd->value, strlen(dcwd->value->ptr));
1293: buffer_copy_string_len(dcwd->key, CONST_STR_LEN("var.CWD"));
1294: array_insert_unique(dc->value, (data_unset *)dcwd);
1295: } else {
1296: dcwd->free((data_unset*) dcwd);
1297: }
1298:
1299: filename = buffer_init_string(fn);
1300: ret = config_parse_file_stream(srv, &context, filename);
1301: buffer_free(filename);
1302:
1303: /* remains nothing if parser is ok */
1304: force_assert(!(0 == ret && context.ok && 0 != context.configs_stack.used));
1305: context_free(&context);
1306:
1307: if (0 != ret) {
1308: return ret;
1309: }
1310:
1311: if (0 != config_insert(srv)) {
1312: return -1;
1313: }
1314:
1315: return 0;
1316: }
1317:
1318: int config_set_defaults(server *srv) {
1319: size_t i;
1320: specific_config *s = srv->config_storage[0];
1321: struct stat st1, st2;
1322:
1323: struct ev_map { fdevent_handler_t et; const char *name; } event_handlers[] =
1324: {
1325: /* - epoll is most reliable
1326: * - select works everywhere
1327: */
1328: #ifdef USE_LINUX_EPOLL
1329: { FDEVENT_HANDLER_LINUX_SYSEPOLL, "linux-sysepoll" },
1330: #endif
1331: #ifdef USE_POLL
1332: { FDEVENT_HANDLER_POLL, "poll" },
1333: #endif
1334: #ifdef USE_SELECT
1335: { FDEVENT_HANDLER_SELECT, "select" },
1336: #endif
1337: #ifdef USE_LIBEV
1338: { FDEVENT_HANDLER_LIBEV, "libev" },
1339: #endif
1340: #ifdef USE_SOLARIS_DEVPOLL
1341: { FDEVENT_HANDLER_SOLARIS_DEVPOLL,"solaris-devpoll" },
1342: #endif
1343: #ifdef USE_SOLARIS_PORT
1344: { FDEVENT_HANDLER_SOLARIS_PORT, "solaris-eventports" },
1345: #endif
1346: #ifdef USE_FREEBSD_KQUEUE
1347: { FDEVENT_HANDLER_FREEBSD_KQUEUE, "freebsd-kqueue" },
1348: { FDEVENT_HANDLER_FREEBSD_KQUEUE, "kqueue" },
1349: #endif
1350: { FDEVENT_HANDLER_UNSET, NULL }
1351: };
1352:
1353: if (!buffer_string_is_empty(srv->srvconf.changeroot)) {
1354: if (-1 == stat(srv->srvconf.changeroot->ptr, &st1)) {
1355: log_error_write(srv, __FILE__, __LINE__, "sb",
1356: "server.chroot doesn't exist:", srv->srvconf.changeroot);
1357: return -1;
1358: }
1359: if (!S_ISDIR(st1.st_mode)) {
1360: log_error_write(srv, __FILE__, __LINE__, "sb",
1361: "server.chroot isn't a directory:", srv->srvconf.changeroot);
1362: return -1;
1363: }
1364: }
1365:
1366: if (!srv->srvconf.upload_tempdirs->used) {
1367: data_string *ds = data_string_init();
1368: const char *tmpdir = getenv("TMPDIR");
1369: if (NULL == tmpdir) tmpdir = "/var/tmp";
1370: buffer_copy_string(ds->value, tmpdir);
1371: array_insert_unique(srv->srvconf.upload_tempdirs, (data_unset *)ds);
1372: }
1373:
1374: if (srv->srvconf.upload_tempdirs->used) {
1375: buffer * const b = srv->tmp_buf;
1376: size_t len;
1377: if (!buffer_string_is_empty(srv->srvconf.changeroot)) {
1378: buffer_copy_buffer(b, srv->srvconf.changeroot);
1379: buffer_append_slash(b);
1380: } else {
1381: buffer_reset(b);
1382: }
1383: len = buffer_string_length(b);
1384:
1385: for (i = 0; i < srv->srvconf.upload_tempdirs->used; ++i) {
1386: const data_string * const ds = (data_string *)srv->srvconf.upload_tempdirs->data[i];
1387: buffer_string_set_length(b, len); /*(truncate)*/
1388: buffer_append_string_buffer(b, ds->value);
1389: if (-1 == stat(b->ptr, &st1)) {
1390: log_error_write(srv, __FILE__, __LINE__, "sb",
1391: "server.upload-dirs doesn't exist:", b);
1392: } else if (!S_ISDIR(st1.st_mode)) {
1393: log_error_write(srv, __FILE__, __LINE__, "sb",
1394: "server.upload-dirs isn't a directory:", b);
1395: }
1396: }
1397: }
1398:
1399: chunkqueue_set_tempdirs_default(
1400: srv->srvconf.upload_tempdirs,
1401: srv->srvconf.upload_temp_file_size);
1402:
1403: if (buffer_string_is_empty(s->document_root)) {
1404: log_error_write(srv, __FILE__, __LINE__, "s",
1405: "a default document-root has to be set");
1406:
1407: return -1;
1408: }
1409:
1410: buffer_copy_buffer(srv->tmp_buf, s->document_root);
1411:
1412: buffer_to_lower(srv->tmp_buf);
1413:
1414: if (2 == s->force_lowercase_filenames) { /* user didn't configure it in global section? */
1415: s->force_lowercase_filenames = 0; /* default to 0 */
1416:
1417: if (0 == stat(srv->tmp_buf->ptr, &st1)) {
1418: int is_lower = 0;
1419:
1420: is_lower = buffer_is_equal(srv->tmp_buf, s->document_root);
1421:
1422: /* lower-case existed, check upper-case */
1423: buffer_copy_buffer(srv->tmp_buf, s->document_root);
1424:
1425: buffer_to_upper(srv->tmp_buf);
1426:
1427: /* we have to handle the special case that upper and lower-casing results in the same filename
1428: * as in server.document-root = "/" or "/12345/" */
1429:
1430: if (is_lower && buffer_is_equal(srv->tmp_buf, s->document_root)) {
1431: /* lower-casing and upper-casing didn't result in
1432: * an other filename, no need to stat(),
1433: * just assume it is case-sensitive. */
1434:
1435: s->force_lowercase_filenames = 0;
1436: } else if (0 == stat(srv->tmp_buf->ptr, &st2)) {
1437:
1438: /* upper case exists too, doesn't the FS handle this ? */
1439:
1440: /* upper and lower have the same inode -> case-insensitve FS */
1441:
1442: if (st1.st_ino == st2.st_ino) {
1443: /* upper and lower have the same inode -> case-insensitve FS */
1444:
1445: s->force_lowercase_filenames = 1;
1446: }
1447: }
1448: }
1449: }
1450:
1451: if (srv->srvconf.port == 0) {
1452: srv->srvconf.port = s->ssl_enabled ? 443 : 80;
1453: }
1454:
1455: if (buffer_string_is_empty(srv->srvconf.event_handler)) {
1456: /* choose a good default
1457: *
1458: * the event_handler list is sorted by 'goodness'
1459: * taking the first available should be the best solution
1460: */
1461: srv->event_handler = event_handlers[0].et;
1462:
1463: if (FDEVENT_HANDLER_UNSET == srv->event_handler) {
1464: log_error_write(srv, __FILE__, __LINE__, "s",
1465: "sorry, there is no event handler for this system");
1466:
1467: return -1;
1468: }
1469: } else {
1470: /*
1471: * User override
1472: */
1473:
1474: for (i = 0; event_handlers[i].name; i++) {
1475: if (0 == strcmp(event_handlers[i].name, srv->srvconf.event_handler->ptr)) {
1476: srv->event_handler = event_handlers[i].et;
1477: break;
1478: }
1479: }
1480:
1481: if (FDEVENT_HANDLER_UNSET == srv->event_handler) {
1482: log_error_write(srv, __FILE__, __LINE__, "sb",
1483: "the selected event-handler in unknown or not supported:",
1484: srv->srvconf.event_handler );
1485:
1486: return -1;
1487: }
1488: }
1489:
1490: if (s->ssl_enabled) {
1491: if (buffer_string_is_empty(s->ssl_pemfile)) {
1492: /* PEM file is require */
1493:
1494: log_error_write(srv, __FILE__, __LINE__, "s",
1495: "ssl.pemfile has to be set");
1496: return -1;
1497: }
1498:
1499: #ifndef USE_OPENSSL
1500: log_error_write(srv, __FILE__, __LINE__, "s",
1501: "ssl support is missing, recompile with --with-openssl");
1502:
1503: return -1;
1504: #endif
1505: }
1506:
1507: return 0;
1508: }
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