config.c@ 314

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Last change on this file since 314 was 312, checked in by Nishi, on Oct 14, 2024 at 3:17:37 AM
works on os2
Property svn:keywords set to `Id`
File size: 15.9 KB

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1	/* $Id: config.c 312 2024-10-13 18:17:37Z nishi $ */
2
3	#define SOURCE
4
5	#include "../config.h"
6
7	#include <stdio.h>
8	#include <stdint.h>
9	#include <stdlib.h>
10	#include <string.h>
11	#include <sys/stat.h>
12
13	#if !defined(_MSC_VER) && !defined(__BORLANDC__)
14	#include <unistd.h>
15	#endif
16
17	#if defined(__MINGW32__) \|\| defined(_MSC_VER) \|\| defined(__BORLANDC__) \|\| (defined(__WATCOMC__) && !defined(__OS2__) && !defined(__WATCOMC__))
18	#ifdef USE_WINSOCK1
19	#include <winsock.h>
20	#else
21	#include <winsock2.h>
22	#endif
23	#endif
24
25	#include <cm_string.h>
26	#include <cm_log.h>
27
28	#ifdef __OS2__
29	#include <types.h>
30	#include <netinet/in.h>
31	#include <tcpustd.h>
32	#endif
33
34	#include "tw_config.h"
35	#include "tw_module.h"
36
37	struct tw_config config;
38
39	struct tw_config_entry* tw_vhost_match(const char* name, int port) {
40	int i;
41	for(i = 0; i < config.vhost_count; i++) {
42	if(strcmp(config.vhosts[i].name, name) == 0 && (config.vhosts[i].port == -1 ? 1 : config.vhosts[i].port == port)) {
43	return &config.vhosts[i];
44	}
45	}
46	return &config.root;
47	}
48
49	bool tw_permission_allowed(const char* path, SOCKADDR addr, struct tw_http_request req, struct tw_config_entry* vhost) {
50	int i;
51	bool found = false;
52	bool pathstart = false;
53	bool perm = false;
54	again:
55	for(i = 0; i < vhost->dir_count; i++) {
56	char* noslash;
57	struct tw_dir_entry* e = &vhost->dirs[i];
58	pathstart = false;
59	if(strlen(path) >= strlen(e->dir)) {
60	int j;
61	pathstart = true;
62	for(j = 0; path[j] != 0 && e->dir[j] != 0; j++) {
63	if(path[j] != e->dir[j]) {
64	pathstart = false;
65	break;
66	}
67	}
68	}
69	noslash = cm_strdup(e->dir);
70	noslash[strlen(noslash) - 1] = 0;
71	if(strcmp(e->dir, path) == 0 \|\| strcmp(noslash, path) == 0 \|\| pathstart) {
72	found = true;
73	if(strcmp(e->name, "all") == 0) {
74	perm = e->type == TW_DIR_ALLOW;
75	}
76	}
77	free(noslash);
78	}
79	if(!found && vhost != &config.root) {
80	vhost = &config.root;
81	goto again;
82	}
83	return perm;
84	}
85
86	void tw_config_init(void) {
87	int i;
88	for(i = 0; i < MAX_PORTS + 1; i++) {
89	config.ports[i] = -1;
90	}
91	for(i = 0; i < MAX_VHOSTS; i++) {
92	#ifndef NO_SSL
93	config.vhosts[i].sslkey = NULL;
94	config.vhosts[i].sslcert = NULL;
95	#endif
96	config.vhosts[i].root = NULL;
97	#ifdef HAS_CHROOT
98	config.vhosts[i].chroot_path = NULL;
99	#endif
100	}
101	#ifndef NO_SSL
102	config.root.sslkey = NULL;
103	config.root.sslcert = NULL;
104	#endif
105	config.root.root = NULL;
106	config.root.mime_count = 0;
107	config.root.dir_count = 0;
108	config.root.icon_count = 0;
109	config.root.index_count = 0;
110	config.root.readme_count = 0;
111	config.root.hideport = 0;
112	#ifdef HAS_CHROOT
113	config.root.chroot_path = NULL;
114	#endif
115	config.vhost_count = 0;
116	config.module_count = 0;
117	config.extension = NULL;
118	config.server_root = cm_strdup(PREFIX);
119	config.server_admin = cm_strdup(SERVER_ADMIN);
120	config.defined[0] = NULL;
121	#if defined(_PSP)
122	strcpy(config.hostname, "psp");
123	#elif defined(__PPU__)
124	strcpy(config.hostname, "ps3");
125	#elif defined(__ps2sdk__)
126	strcpy(config.hostname, "ps2");
127	#else
128	gethostname(config.hostname, 1024);
129	#endif
130	#ifdef HAS_CHROOT
131	tw_add_define("HAS_CHROOT");
132	#endif
133	#ifndef NO_SSL
134	tw_add_define("HAS_SSL");
135	#endif
136	}
137
138	int tw_config_read(const char* path) {
139	char cbuf[2];
140	int ln = 0;
141	int ifbr = 0;
142	int ignore = -1;
143	int portcount;
144	FILE* f;
145	cm_log("Config", "Reading %s", path);
146	f = fopen(path, "r");
147	cbuf[1] = 0;
148	if(f != NULL) {
149	char* line = malloc(1);
150	int stop = 0;
151	struct tw_config_entry* current = &config.root;
152	char* vhost = NULL;
153	char* dir = NULL;
154	line[0] = 0;
155	while(stop == 0) {
156	int c = fread(cbuf, 1, 1, f);
157	if(cbuf[0] == '\n' \|\| c <= 0) {
158	char* l = cm_trim(line);
159	ln++;
160	if(strlen(l) > 0 && l[0] != '#') {
161	char** r = cm_split(l, " \t");
162	int i;
163	if(ignore != -1 && ifbr >= ignore) {
164	if(cm_strcaseequ(r[0], "EndIf")) ifbr--;
165	if(ifbr == 0) {
166	ignore = -1;
167	}
168	} else if(cm_strcaseequ(r[0], "Include") \|\| cm_strcaseequ(r[0], "IncludeOptional")) {
169	for(i = 1; r[i] != NULL; i++) {
170	if(tw_config_read(r[i]) != 0 && cm_strcaseequ(r[0], "Include")) {
171	stop = 1;
172	break;
173	}
174	}
175	} else if(cm_strcaseequ(r[0], "Define")) {
176	if(r[1] == NULL) {
177	cm_log("Config", "Missing name at line %d", ln);
178	stop = 1;
179	} else {
180	tw_add_define(r[1]);
181	}
182	} else if(cm_strcaseequ(r[0], "Undefine")) {
183	if(r[1] == NULL) {
184	cm_log("Config", "Missing name at line %d", ln);
185	stop = 1;
186	} else {
187	tw_delete_define(r[1]);
188	}
189	} else if(cm_strcaseequ(r[0], "BeginDirectory")) {
190	if(dir != NULL) {
191	cm_log("Config", "Already in directory section at line %d", ln);
192	stop = 1;
193	} else {
194	if(r[1] == NULL) {
195	cm_log("Config", "Missing directory at line %d", ln);
196	stop = 1;
197	} else {
198	dir = cm_strcat(r[1], r[1][strlen(r[1]) - 1] == '/' ? "" : "/");
199	}
200	}
201	} else if(cm_strcaseequ(r[0], "EndDirectory")) {
202	if(dir == NULL) {
203	cm_log("Config", "Not in directory section at line %d", ln);
204	stop = 1;
205	} else {
206	free(dir);
207	dir = NULL;
208	}
209	} else if(cm_strcaseequ(r[0], "Allow")) {
210	if(dir == NULL) {
211	cm_log("Config", "Not in directory section at line %d", ln);
212	stop = 1;
213	} else {
214	if(r[1] == NULL) {
215	cm_log("Config", "Missing argument at line %d", ln);
216	stop = 1;
217	} else {
218	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
219	e->name = cm_strdup(r[1]);
220	e->dir = cm_strdup(dir);
221	e->type = TW_DIR_ALLOW;
222	}
223	}
224	} else if(cm_strcaseequ(r[0], "Deny")) {
225	if(dir == NULL) {
226	cm_log("Config", "Not in directory section at line %d", ln);
227	stop = 1;
228	} else {
229	if(r[1] == NULL) {
230	cm_log("Config", "Missing argument at line %d", ln);
231	stop = 1;
232	} else {
233	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
234	e->name = cm_strdup(r[1]);
235	e->dir = cm_strdup(dir);
236	e->type = TW_DIR_DENY;
237	}
238	}
239	} else if(cm_strcaseequ(r[0], "BeginVirtualHost")) {
240	if(vhost != NULL) {
241	cm_log("Config", "Already in virtual host section at line %d", ln);
242	stop = 1;
243	} else {
244	if(r[1] == NULL) {
245	cm_log("Config", "Missing virtual host at line %d", ln);
246	stop = 1;
247	} else {
248	int i;
249	vhost = cm_strdup(r[1]);
250	current = &config.vhosts[config.vhost_count++];
251	current->dir_count = 0;
252	current->mime_count = 0;
253	current->icon_count = 0;
254	current->index_count = 0;
255	current->readme_count = 0;
256	current->hideport = -1;
257	current->name = cm_strdup(vhost);
258	current->port = -1;
259	for(i = 0; vhost[i] != 0; i++) {
260	if(vhost[i] == ':') {
261	current->name[i] = 0;
262	current->port = atoi(current->name + i + 1);
263	break;
264	}
265	}
266	}
267	}
268	} else if(cm_strcaseequ(r[0], "EndVirtualHost")) {
269	if(vhost == NULL) {
270	cm_log("Config", "Not in virtual host section at line %d", ln);
271	stop = 1;
272	} else {
273	free(vhost);
274	vhost = NULL;
275	current = &config.root;
276	}
277	} else if(cm_strcaseequ(r[0], "Listen")
278	#ifndef NO_SSL
279	\|\| cm_strcaseequ(r[0], "ListenSSL")
280	#endif
281	) {
282	for(i = 1; r[i] != NULL; i++) {
283	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
284	uint32_t port = atoi(r[i]);
285	#else
286	uint64_t port = atoi(r[i]);
287	#endif
288	int j;
289	cm_log("Config", "Going to listen at port %d%s", (int)port, cm_strcaseequ(r[0], "ListenSSL") ? " with SSL" : "");
290	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
291	if(cm_strcaseequ(r[0], "ListenSSL")) port \|= (1UL << 31);
292	#else
293	if(cm_strcaseequ(r[0], "ListenSSL")) port \|= (1ULL << 31);
294	#endif
295	for(j = 0; config.ports[j] != -1; j++)
296	;
297	config.ports[j] = port;
298	}
299	} else if(cm_strcaseequ(r[0], "HidePort")) {
300	current->hideport = 1;
301	} else if(cm_strcaseequ(r[0], "ShowPort")) {
302	current->hideport = 0;
303	#ifndef NO_SSL
304	} else if(cm_strcaseequ(r[0], "SSLKey")) {
305	if(r[1] == NULL) {
306	cm_log("Config", "Missing path at line %d", ln);
307	stop = 1;
308	} else {
309	if(current->sslkey != NULL) free(current->sslkey);
310	current->sslkey = cm_strdup(r[1]);
311	}
312	} else if(cm_strcaseequ(r[0], "SSLCertificate")) {
313	if(r[1] == NULL) {
314	cm_log("Config", "Missing path at line %d", ln);
315	stop = 1;
316	} else {
317	if(current->sslcert != NULL) free(current->sslcert);
318	current->sslcert = cm_strdup(r[1]);
319	}
320	#endif
321	#ifdef HAS_CHROOT
322	} else if(cm_strcaseequ(r[0], "ChrootDirectory")) {
323	if(r[1] == NULL) {
324	cm_log("Config", "Missing path at line %d", ln);
325	stop = 1;
326	} else {
327	if(current->chroot_path != NULL) free(current->chroot_path);
328	current->chroot_path = cm_strdup(r[1]);
329	}
330	#endif
331	} else if(cm_strcaseequ(r[0], "ForceLog")) {
332	if(r[1] == NULL) {
333	cm_log("Config", "Missing log at line %d", ln);
334	stop = 1;
335	} else {
336	cm_force_log(r[1]);
337	}
338	} else if(cm_strcaseequ(r[0], "EndIf")) {
339	if(ifbr == 0) {
340	cm_log("Config", "Missing BeginIf at line %d", ln);
341	stop = 1;
342	}
343	ifbr--;
344	} else if(cm_strcaseequ(r[0], "BeginIf") \|\| cm_strcaseequ(r[0], "BeginIfNot")) {
345	if(r[1] == NULL) {
346	cm_log("Config", "Missing condition type at line %d", ln);
347	} else {
348	bool ign = false;
349	ifbr++;
350	if(cm_strcaseequ(r[1], "False")) {
351	ign = true;
352	} else if(cm_strcaseequ(r[1], "True")) {
353	} else if(cm_strcaseequ(r[1], "Defined")) {
354	if(r[2] == NULL) {
355	cm_log("Config", "Missing name at line %d", ln);
356	stop = 1;
357	} else {
358	int i;
359	bool fndit = false;
360	for(i = 0; config.defined[i] != NULL; i++) {
361	if(strcmp(config.defined[i], r[2]) == 0) {
362	fndit = true;
363	break;
364	}
365	}
366	if(!fndit) {
367	ign = true;
368	}
369	}
370	} else {
371	cm_log("Config", "Unknown condition type at line %d", ln);
372	stop = 1;
373	}
374	if(cm_strcaseequ(r[0], "BeginIfNot")) ign = !ign;
375	if(ign) {
376	ignore = ifbr - 1;
377	}
378	}
379	} else if(cm_strcaseequ(r[0], "ServerRoot")) {
380	if(r[1] == NULL) {
381	cm_log("Config", "Missing path at line %d", ln);
382	stop = 1;
383	} else {
384	chdir(r[1]);
385	free(config.server_root);
386	config.server_root = cm_strdup(r[1]);
387	}
388	} else if(cm_strcaseequ(r[0], "ServerAdmin")) {
389	if(r[1] == NULL) {
390	cm_log("Config", "Missing email at line %d", ln);
391	stop = 1;
392	} else {
393	free(config.server_admin);
394	config.server_admin = cm_strdup(r[1]);
395	}
396	} else if(cm_strcaseequ(r[0], "DocumentRoot")) {
397	if(r[1] == NULL) {
398	cm_log("Config", "Missing path at line %d", ln);
399	stop = 1;
400	} else {
401	if(current->root != NULL) free(current->root);
402	current->root = cm_strdup(strcmp(r[1], "/") == 0 ? "" : r[1]);
403	}
404	} else if(cm_strcaseequ(r[0], "MIMEType")) {
405	if(r[1] == NULL) {
406	cm_log("Config", "Missing extension at line %d", ln);
407	stop = 1;
408	} else if(r[2] == NULL) {
409	cm_log("Config", "Missing MIME at line %d", ln);
410	stop = 1;
411	} else {
412	struct tw_mime_entry* e = &current->mimes[current->mime_count++];
413	e->ext = cm_strdup(r[1]);
414	e->mime = cm_strdup(r[2]);
415	}
416	} else if(cm_strcaseequ(r[0], "MIMEFile")) {
417	if(r[1] == NULL) {
418	cm_log("Config", "Missing path at line %d", ln);
419	stop = 1;
420	} else {
421	FILE* mimefile = fopen(r[1], "r");
422	if(mimefile == NULL) {
423	cm_log("Config", "Could not load the file at line %d", ln);
424	stop = 1;
425	} else {
426	char* line = malloc(1);
427	int i;
428	struct stat st;
429	char* buf;
430	int incr = 0;
431	stat(r[1], &st);
432
433	buf = malloc(st.st_size + 1);
434	fread(buf, st.st_size, 1, mimefile);
435
436	for(i = 0;; i++) {
437	if(buf[i] == '\n' \|\| buf[i] == 0) {
438	char oldc = buf[i];
439	char* line;
440	buf[i] = 0;
441
442	line = buf + incr;
443
444	if(strlen(line) > 0 && line[0] != '#') {
445	int j;
446	for(j = 0; line[j] != 0; j++) {
447	if(line[j] == ' ' \|\| line[j] == '\t') {
448	line[j] = 0;
449	j++;
450	for(; line[j] != 0; j++) {
451	if(line[j] != ' ' && line[j] != '\t') {
452	char* name = line;
453	char* mimes = line + j;
454	int k = 0;
455	int incr2 = 0;
456	for(k = 0;; k++) {
457	if(mimes[k] == ' ' \|\| mimes[k] == 0) {
458	char oldc2 = mimes[k];
459	struct tw_mime_entry* e;
460	mimes[k] = 0;
461
462	e = &current->mimes[current->mime_count++];
463	e->ext = cm_strcat(".", mimes + incr2);
464	e->mime = cm_strdup(name);
465	if(current->mime_count == MAX_MIME) {
466	cm_log("Config", "Too many MIME types, cannot handle");
467	stop = 1;
468	break;
469	}
470
471	incr2 = k + 1;
472	if(oldc2 == 0) break;
473	}
474	}
475	break;
476	}
477	}
478	break;
479	}
480	if(stop) break;
481	}
482	}
483
484	incr = i + 1;
485	if(oldc == 0) break;
486	}
487	}
488
489	free(buf);
490
491	fclose(mimefile);
492	}
493	}
494	} else if(cm_strcaseequ(r[0], "Icon")) {
495	if(r[1] == NULL) {
496	cm_log("Config", "Missing MIME at line %d", ln);
497	stop = 1;
498	} else if(r[2] == NULL) {
499	cm_log("Config", "Missing path at line %d", ln);
500	stop = 1;
501	} else {
502	struct tw_icon_entry* e = &current->icons[current->icon_count++];
503	e->mime = cm_strdup(r[1]);
504	e->icon = cm_strdup(r[2]);
505	}
506	} else if(cm_strcaseequ(r[0], "LoadModule")) {
507	for(i = 1; r[i] != NULL; i++) {
508	void* mod = tw_module_load(r[i]);
509	if(mod != NULL) {
510	config.modules[config.module_count++] = mod;
511	if(tw_module_init(mod) != 0) {
512	stop = 1;
513	break;
514	}
515	} else {
516	cm_log("Config", "Could not load the module at line %d", ln);
517	stop = 1;
518	break;
519	}
520	}
521	} else if(cm_strcaseequ(r[0], "DirectoryIndex")) {
522	for(i = 1; r[i] != NULL; i++) {
523	current->indexes[current->index_count++] = cm_strdup(r[i]);
524	}
525	} else if(cm_strcaseequ(r[0], "ReadmeFile") \|\| cm_strcaseequ(r[0], "Readme")) {
526	if(cm_strcaseequ(r[0], "Readme")) {
527	cm_force_log("NOTE: Readme directive is deprecated.");
528	}
529	for(i = 1; r[i] != NULL; i++) {
530	current->readmes[current->readme_count++] = cm_strdup(r[i]);
531	}
532	} else {
533	stop = 1;
534	if(r[0] != NULL) {
535	int argc;
536	int i;
537	bool called = false;
538	struct tw_tool tools;
539	for(argc = 0; r[argc] != NULL; argc++)
540	;
541	stop = 0;
542	tw_init_tools(&tools);
543	for(i = 0; i < config.module_count; i++) {
544	tw_mod_config_t mod_config = (tw_mod_config_t)tw_module_symbol(config.modules[i], "mod_config");
545	int resp;
546	if(mod_config != NULL && (resp = mod_config(&tools, r, argc)) == TW_CONFIG_PARSED) {
547	called = true;
548	break;
549	}
550	if(resp == TW_CONFIG_ERROR) {
551	stop = 1;
552	called = true;
553	break;
554	}
555	}
556	if(!called) {
557	cm_log("Config", "Unknown directive `%s' at line %d", r[0], ln);
558	stop = 1;
559	}
560	}
561	}
562	for(i = 0; r[i] != NULL; i++) free(r[i]);
563	free(r);
564	}
565	free(l);
566	free(line);
567	line = malloc(1);
568	line[0] = 0;
569	if(c <= 0) break;
570	} else if(cbuf[0] != '\r') {
571	char* tmp = line;
572	line = cm_strcat(tmp, cbuf);
573	free(tmp);
574	}
575	}
576	free(line);
577	fclose(f);
578	for(portcount = 0; config.ports[portcount] != -1; portcount++)
579	;
580	if(portcount == 0) {
581	return 1;
582	} else {
583	return stop;
584	}
585	} else {
586	cm_log("Config", "Could not open the file");
587	return 1;
588	}
589	}

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source: Main/trunk/Server/config.c@ 314

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