config.c@ 276

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Last change on this file since 276 was 257, checked in by Nishi, on Oct 4, 2024 at 2:34:27 PM
[release 2.04] can read mime.types from apache
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File size: 15.7 KB

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1	/* $Id: config.c 257 2024-10-04 05:34:27Z nishi $ */
2
3	#define SOURCE
4
5	#include "tw_config.h"
6	#include "tw_module.h"
7
8	#include <stdio.h>
9	#include <stdint.h>
10	#include <stdlib.h>
11	#include <string.h>
12	#include <sys/stat.h>
13
14	#if !defined(_MSC_VER) && !defined(__BORLANDC__)
15	#include <unistd.h>
16	#endif
17
18	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__)
19	#ifdef USE_WINSOCK1
20	#include <winsock.h>
21	#else
22	#include <winsock2.h>
23	#endif
24	#endif
25
26	#include <cm_string.h>
27	#include <cm_log.h>
28
29	struct tw_config config;
30
31	struct tw_config_entry* tw_vhost_match(const char* name, int port) {
32	int i;
33	for(i = 0; i < config.vhost_count; i++) {
34	if(strcmp(config.vhosts[i].name, name) == 0 && (config.vhosts[i].port == -1 ? 1 : config.vhosts[i].port == port)) {
35	return &config.vhosts[i];
36	}
37	}
38	return &config.root;
39	}
40
41	bool tw_permission_allowed(const char* path, SOCKADDR addr, struct tw_http_request req, struct tw_config_entry* vhost) {
42	int i;
43	bool found = false;
44	bool pathstart = false;
45	bool perm = false;
46	again:
47	for(i = 0; i < vhost->dir_count; i++) {
48	char* noslash;
49	struct tw_dir_entry* e = &vhost->dirs[i];
50	pathstart = false;
51	if(strlen(path) >= strlen(e->dir)) {
52	int j;
53	pathstart = true;
54	for(j = 0; path[j] != 0 && e->dir[j] != 0; j++) {
55	if(path[j] != e->dir[j]) {
56	pathstart = false;
57	break;
58	}
59	}
60	}
61	noslash = cm_strdup(e->dir);
62	noslash[strlen(noslash) - 1] = 0;
63	if(strcmp(e->dir, path) == 0 \|\| strcmp(noslash, path) == 0 \|\| pathstart) {
64	found = true;
65	if(strcmp(e->name, "all") == 0) {
66	perm = e->type == TW_DIR_ALLOW;
67	}
68	}
69	free(noslash);
70	}
71	if(!found && vhost != &config.root) {
72	vhost = &config.root;
73	goto again;
74	}
75	return perm;
76	}
77
78	void tw_config_init(void) {
79	int i;
80	for(i = 0; i < MAX_PORTS + 1; i++) {
81	config.ports[i] = -1;
82	}
83	for(i = 0; i < MAX_VHOSTS; i++) {
84	#ifndef NO_SSL
85	config.vhosts[i].sslkey = NULL;
86	config.vhosts[i].sslcert = NULL;
87	#endif
88	config.vhosts[i].root = NULL;
89	#ifdef HAS_CHROOT
90	config.vhosts[i].chroot_path = NULL;
91	#endif
92	}
93	#ifndef NO_SSL
94	config.root.sslkey = NULL;
95	config.root.sslcert = NULL;
96	#endif
97	config.root.root = NULL;
98	config.root.mime_count = 0;
99	config.root.dir_count = 0;
100	config.root.icon_count = 0;
101	config.root.index_count = 0;
102	config.root.readme_count = 0;
103	config.root.hideport = 0;
104	#ifdef HAS_CHROOT
105	config.root.chroot_path = NULL;
106	#endif
107	config.vhost_count = 0;
108	config.module_count = 0;
109	config.extension = NULL;
110	config.server_root = cm_strdup(PREFIX);
111	config.server_admin = cm_strdup(SERVER_ADMIN);
112	config.defined[0] = NULL;
113	#if defined(_PSP)
114	strcpy(config.hostname, "psp");
115	#elif defined(__PPU__)
116	strcpy(config.hostname, "ps3");
117	#elif defined(__ps2sdk__)
118	strcpy(config.hostname, "ps2");
119	#else
120	gethostname(config.hostname, 1024);
121	#endif
122	#ifdef HAS_CHROOT
123	tw_add_define("HAS_CHROOT");
124	#endif
125	#ifndef NO_SSL
126	tw_add_define("HAS_SSL");
127	#endif
128	}
129
130	int tw_config_read(const char* path) {
131	char cbuf[2];
132	int ln = 0;
133	int ifbr = 0;
134	int ignore = -1;
135	int portcount;
136	FILE* f;
137	cm_log("Config", "Reading %s", path);
138	f = fopen(path, "r");
139	cbuf[1] = 0;
140	if(f != NULL) {
141	char* line = malloc(1);
142	int stop = 0;
143	struct tw_config_entry* current = &config.root;
144	char* vhost = NULL;
145	char* dir = NULL;
146	line[0] = 0;
147	while(stop == 0) {
148	int c = fread(cbuf, 1, 1, f);
149	if(cbuf[0] == '\n' \|\| c <= 0) {
150	char* l = cm_trim(line);
151	ln++;
152	if(strlen(l) > 0 && l[0] != '#') {
153	char** r = cm_split(l, " \t");
154	int i;
155	if(ignore != -1 && ifbr >= ignore) {
156	if(cm_strcaseequ(r[0], "EndIf")) ifbr--;
157	if(ifbr == 0) {
158	ignore = -1;
159	}
160	} else if(cm_strcaseequ(r[0], "Include") \|\| cm_strcaseequ(r[0], "IncludeOptional")) {
161	for(i = 1; r[i] != NULL; i++) {
162	if(tw_config_read(r[i]) != 0 && cm_strcaseequ(r[0], "Include")) {
163	stop = 1;
164	break;
165	}
166	}
167	} else if(cm_strcaseequ(r[0], "Define")) {
168	if(r[1] == NULL) {
169	cm_log("Config", "Missing name at line %d", ln);
170	stop = 1;
171	} else {
172	tw_add_define(r[1]);
173	}
174	} else if(cm_strcaseequ(r[0], "Undefine")) {
175	if(r[1] == NULL) {
176	cm_log("Config", "Missing name at line %d", ln);
177	stop = 1;
178	} else {
179	tw_delete_define(r[1]);
180	}
181	} else if(cm_strcaseequ(r[0], "BeginDirectory")) {
182	if(dir != NULL) {
183	cm_log("Config", "Already in directory section at line %d", ln);
184	stop = 1;
185	} else {
186	if(r[1] == NULL) {
187	cm_log("Config", "Missing directory at line %d", ln);
188	stop = 1;
189	} else {
190	dir = cm_strcat(r[1], r[1][strlen(r[1]) - 1] == '/' ? "" : "/");
191	}
192	}
193	} else if(cm_strcaseequ(r[0], "EndDirectory")) {
194	if(dir == NULL) {
195	cm_log("Config", "Not in directory section at line %d", ln);
196	stop = 1;
197	} else {
198	free(dir);
199	dir = NULL;
200	}
201	} else if(cm_strcaseequ(r[0], "Allow")) {
202	if(dir == NULL) {
203	cm_log("Config", "Not in directory section at line %d", ln);
204	stop = 1;
205	} else {
206	if(r[1] == NULL) {
207	cm_log("Config", "Missing argument at line %d", ln);
208	stop = 1;
209	} else {
210	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
211	e->name = cm_strdup(r[1]);
212	e->dir = cm_strdup(dir);
213	e->type = TW_DIR_ALLOW;
214	}
215	}
216	} else if(cm_strcaseequ(r[0], "Deny")) {
217	if(dir == NULL) {
218	cm_log("Config", "Not in directory section at line %d", ln);
219	stop = 1;
220	} else {
221	if(r[1] == NULL) {
222	cm_log("Config", "Missing argument at line %d", ln);
223	stop = 1;
224	} else {
225	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
226	e->name = cm_strdup(r[1]);
227	e->dir = cm_strdup(dir);
228	e->type = TW_DIR_DENY;
229	}
230	}
231	} else if(cm_strcaseequ(r[0], "BeginVirtualHost")) {
232	if(vhost != NULL) {
233	cm_log("Config", "Already in virtual host section at line %d", ln);
234	stop = 1;
235	} else {
236	if(r[1] == NULL) {
237	cm_log("Config", "Missing virtual host at line %d", ln);
238	stop = 1;
239	} else {
240	int i;
241	vhost = cm_strdup(r[1]);
242	current = &config.vhosts[config.vhost_count++];
243	current->dir_count = 0;
244	current->mime_count = 0;
245	current->icon_count = 0;
246	current->index_count = 0;
247	current->readme_count = 0;
248	current->hideport = -1;
249	current->name = cm_strdup(vhost);
250	current->port = -1;
251	for(i = 0; vhost[i] != 0; i++) {
252	if(vhost[i] == ':') {
253	current->name[i] = 0;
254	current->port = atoi(current->name + i + 1);
255	break;
256	}
257	}
258	}
259	}
260	} else if(cm_strcaseequ(r[0], "EndVirtualHost")) {
261	if(vhost == NULL) {
262	cm_log("Config", "Not in virtual host section at line %d", ln);
263	stop = 1;
264	} else {
265	free(vhost);
266	vhost = NULL;
267	current = &config.root;
268	}
269	} else if(cm_strcaseequ(r[0], "Listen")
270	#ifndef NO_SSL
271	\|\| cm_strcaseequ(r[0], "ListenSSL")
272	#endif
273	) {
274	for(i = 1; r[i] != NULL; i++) {
275	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
276	uint32_t port = atoi(r[i]);
277	#else
278	uint64_t port = atoi(r[i]);
279	#endif
280	int j;
281	cm_log("Config", "Going to listen at port %d%s", (int)port, cm_strcaseequ(r[0], "ListenSSL") ? " with SSL" : "");
282	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
283	if(cm_strcaseequ(r[0], "ListenSSL")) port \|= (1UL << 31);
284	#else
285	if(cm_strcaseequ(r[0], "ListenSSL")) port \|= (1ULL << 31);
286	#endif
287	for(j = 0; config.ports[j] != -1; j++)
288	;
289	config.ports[j] = port;
290	}
291	} else if(cm_strcaseequ(r[0], "HidePort")) {
292	current->hideport = 1;
293	} else if(cm_strcaseequ(r[0], "ShowPort")) {
294	current->hideport = 0;
295	#ifndef NO_SSL
296	} else if(cm_strcaseequ(r[0], "SSLKey")) {
297	if(r[1] == NULL) {
298	cm_log("Config", "Missing path at line %d", ln);
299	stop = 1;
300	} else {
301	if(current->sslkey != NULL) free(current->sslkey);
302	current->sslkey = cm_strdup(r[1]);
303	}
304	} else if(cm_strcaseequ(r[0], "SSLCertificate")) {
305	if(r[1] == NULL) {
306	cm_log("Config", "Missing path at line %d", ln);
307	stop = 1;
308	} else {
309	if(current->sslcert != NULL) free(current->sslcert);
310	current->sslcert = cm_strdup(r[1]);
311	}
312	#endif
313	#ifdef HAS_CHROOT
314	} else if(cm_strcaseequ(r[0], "ChrootDirectory")) {
315	if(r[1] == NULL) {
316	cm_log("Config", "Missing path at line %d", ln);
317	stop = 1;
318	} else {
319	if(current->chroot_path != NULL) free(current->chroot_path);
320	current->chroot_path = cm_strdup(r[1]);
321	}
322	#endif
323	} else if(cm_strcaseequ(r[0], "ForceLog")) {
324	if(r[1] == NULL) {
325	cm_log("Config", "Missing log at line %d", ln);
326	stop = 1;
327	} else {
328	cm_force_log(r[1]);
329	}
330	} else if(cm_strcaseequ(r[0], "EndIf")) {
331	if(ifbr == 0) {
332	cm_log("Config", "Missing BeginIf at line %d", ln);
333	stop = 1;
334	}
335	ifbr--;
336	} else if(cm_strcaseequ(r[0], "BeginIf") \|\| cm_strcaseequ(r[0], "BeginIfNot")) {
337	if(r[1] == NULL) {
338	cm_log("Config", "Missing condition type at line %d", ln);
339	} else {
340	bool ign = false;
341	ifbr++;
342	if(cm_strcaseequ(r[1], "False")) {
343	ign = true;
344	} else if(cm_strcaseequ(r[1], "True")) {
345	} else if(cm_strcaseequ(r[1], "Defined")) {
346	if(r[2] == NULL) {
347	cm_log("Config", "Missing name at line %d", ln);
348	stop = 1;
349	} else {
350	int i;
351	bool fndit = false;
352	for(i = 0; config.defined[i] != NULL; i++) {
353	if(strcmp(config.defined[i], r[2]) == 0) {
354	fndit = true;
355	break;
356	}
357	}
358	if(!fndit) {
359	ign = true;
360	}
361	}
362	} else {
363	cm_log("Config", "Unknown condition type at line %d", ln);
364	stop = 1;
365	}
366	if(cm_strcaseequ(r[0], "BeginIfNot")) ign = !ign;
367	if(ign) {
368	ignore = ifbr - 1;
369	}
370	}
371	} else if(cm_strcaseequ(r[0], "ServerRoot")) {
372	if(r[1] == NULL) {
373	cm_log("Config", "Missing path at line %d", ln);
374	stop = 1;
375	} else {
376	chdir(r[1]);
377	free(config.server_root);
378	config.server_root = cm_strdup(r[1]);
379	}
380	} else if(cm_strcaseequ(r[0], "ServerAdmin")) {
381	if(r[1] == NULL) {
382	cm_log("Config", "Missing email at line %d", ln);
383	stop = 1;
384	} else {
385	free(config.server_admin);
386	config.server_admin = cm_strdup(r[1]);
387	}
388	} else if(cm_strcaseequ(r[0], "DocumentRoot")) {
389	if(r[1] == NULL) {
390	cm_log("Config", "Missing path at line %d", ln);
391	stop = 1;
392	} else {
393	if(current->root != NULL) free(current->root);
394	current->root = cm_strdup(strcmp(r[1], "/") == 0 ? "" : r[1]);
395	}
396	} else if(cm_strcaseequ(r[0], "MIMEType")) {
397	if(r[1] == NULL) {
398	cm_log("Config", "Missing extension at line %d", ln);
399	stop = 1;
400	} else if(r[2] == NULL) {
401	cm_log("Config", "Missing MIME at line %d", ln);
402	stop = 1;
403	} else {
404	struct tw_mime_entry* e = &current->mimes[current->mime_count++];
405	e->ext = cm_strdup(r[1]);
406	e->mime = cm_strdup(r[2]);
407	}
408	} else if(cm_strcaseequ(r[0], "MIMEFile")) {
409	if(r[1] == NULL) {
410	cm_log("Config", "Missing path at line %d", ln);
411	stop = 1;
412	} else {
413	FILE* mimefile = fopen(r[1], "r");
414	if(mimefile == NULL) {
415	cm_log("Config", "Could not load the file at line %d", ln);
416	stop = 1;
417	} else {
418	char* line = malloc(1);
419	int i;
420	struct stat st;
421	char* buf;
422	int incr = 0;
423	stat(r[1], &st);
424
425	buf = malloc(st.st_size + 1);
426	fread(buf, st.st_size, 1, mimefile);
427
428	for(i = 0;; i++) {
429	if(buf[i] == '\n' \|\| buf[i] == 0) {
430	char oldc = buf[i];
431	char* line;
432	buf[i] = 0;
433
434	line = buf + incr;
435
436	if(strlen(line) > 0 && line[0] != '#') {
437	int j;
438	for(j = 0; line[j] != 0; j++) {
439	if(line[j] == ' ' \|\| line[j] == '\t') {
440	line[j] = 0;
441	j++;
442	for(; line[j] != 0; j++) {
443	if(line[j] != ' ' && line[j] != '\t') {
444	char* name = line;
445	char* mimes = line + j;
446	int k = 0;
447	int incr2 = 0;
448	for(k = 0;; k++) {
449	if(mimes[k] == ' ' \|\| mimes[k] == 0) {
450	char oldc2 = mimes[k];
451	struct tw_mime_entry* e;
452	mimes[k] = 0;
453
454	e = &current->mimes[current->mime_count++];
455	e->ext = cm_strcat(".", mimes + incr2);
456	e->mime = cm_strdup(name);
457	if(current->mime_count == MAX_MIME) {
458	cm_log("Config", "Too many MIME types, cannot handle");
459	stop = 1;
460	break;
461	}
462
463	incr2 = k + 1;
464	if(oldc2 == 0) break;
465	}
466	}
467	break;
468	}
469	}
470	break;
471	}
472	if(stop) break;
473	}
474	}
475
476	incr = i + 1;
477	if(oldc == 0) break;
478	}
479	}
480
481	free(buf);
482
483	fclose(mimefile);
484	}
485	}
486	} else if(cm_strcaseequ(r[0], "Icon")) {
487	if(r[1] == NULL) {
488	cm_log("Config", "Missing MIME at line %d", ln);
489	stop = 1;
490	} else if(r[2] == NULL) {
491	cm_log("Config", "Missing path at line %d", ln);
492	stop = 1;
493	} else {
494	struct tw_icon_entry* e = &current->icons[current->icon_count++];
495	e->mime = cm_strdup(r[1]);
496	e->icon = cm_strdup(r[2]);
497	}
498	} else if(cm_strcaseequ(r[0], "LoadModule")) {
499	for(i = 1; r[i] != NULL; i++) {
500	void* mod = tw_module_load(r[i]);
501	if(mod != NULL) {
502	config.modules[config.module_count++] = mod;
503	if(tw_module_init(mod) != 0) {
504	stop = 1;
505	break;
506	}
507	} else {
508	cm_log("Config", "Could not load the module at line %d", ln);
509	stop = 1;
510	break;
511	}
512	}
513	} else if(cm_strcaseequ(r[0], "DirectoryIndex")) {
514	for(i = 1; r[i] != NULL; i++) {
515	current->indexes[current->index_count++] = cm_strdup(r[i]);
516	}
517	} else if(cm_strcaseequ(r[0], "ReadmeFile") \|\| cm_strcaseequ(r[0], "Readme")) {
518	if(cm_strcaseequ(r[0], "Readme")) {
519	cm_force_log("NOTE: Readme directive is deprecated.");
520	}
521	for(i = 1; r[i] != NULL; i++) {
522	current->readmes[current->readme_count++] = cm_strdup(r[i]);
523	}
524	} else {
525	stop = 1;
526	if(r[0] != NULL) {
527	int argc;
528	int i;
529	bool called = false;
530	struct tw_tool tools;
531	for(argc = 0; r[argc] != NULL; argc++)
532	;
533	stop = 0;
534	tw_init_tools(&tools);
535	for(i = 0; i < config.module_count; i++) {
536	tw_mod_config_t mod_config = (tw_mod_config_t)tw_module_symbol(config.modules[i], "mod_config");
537	int resp;
538	if(mod_config != NULL && (resp = mod_config(&tools, r, argc)) == TW_CONFIG_PARSED) {
539	called = true;
540	break;
541	}
542	if(resp == TW_CONFIG_ERROR) {
543	stop = 1;
544	called = true;
545	break;
546	}
547	}
548	if(!called) {
549	cm_log("Config", "Unknown directive `%s' at line %d", r[0], ln);
550	stop = 1;
551	}
552	}
553	}
554	for(i = 0; r[i] != NULL; i++) free(r[i]);
555	free(r);
556	}
557	free(l);
558	free(line);
559	line = malloc(1);
560	line[0] = 0;
561	if(c <= 0) break;
562	} else if(cbuf[0] != '\r') {
563	char* tmp = line;
564	line = cm_strcat(tmp, cbuf);
565	free(tmp);
566	}
567	}
568	free(line);
569	fclose(f);
570	for(portcount = 0; config.ports[portcount] != -1; portcount++)
571	;
572	if(portcount == 0) {
573	return 1;
574	} else {
575	return stop;
576	}
577	} else {
578	cm_log("Config", "Could not open the file");
579	return 1;
580	}
581	}

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source: Main/trunk/Server/config.c@ 276

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