config.c@ 324

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Last change on this file since 324 was 318, checked in by Nishi, on Oct 14, 2024 at 9:25:36 PM
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1	/* $Id: config.c 318 2024-10-14 12:25:36Z 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	#elif defined(__NETWARE__)
128	strcpy(config.hostname, "netware");
129	#else
130	gethostname(config.hostname, 1024);
131	#endif
132	#ifdef HAS_CHROOT
133	tw_add_define("HAS_CHROOT");
134	#endif
135	#ifndef NO_SSL
136	tw_add_define("HAS_SSL");
137	#endif
138	}
139
140	int tw_config_read(const char* path) {
141	char cbuf[2];
142	int ln = 0;
143	int ifbr = 0;
144	int ignore = -1;
145	int portcount;
146	FILE* f;
147	cm_log("Config", "Reading %s", path);
148	f = fopen(path, "r");
149	cbuf[1] = 0;
150	if(f != NULL) {
151	char* line = malloc(1);
152	int stop = 0;
153	struct tw_config_entry* current = &config.root;
154	char* vhost = NULL;
155	char* dir = NULL;
156	line[0] = 0;
157	while(stop == 0) {
158	int c = fread(cbuf, 1, 1, f);
159	if(cbuf[0] == '\n' \|\| c <= 0) {
160	char* l = cm_trim(line);
161	ln++;
162	if(strlen(l) > 0 && l[0] != '#') {
163	char** r = cm_split(l, " \t");
164	int i;
165	if(ignore != -1 && ifbr >= ignore) {
166	if(cm_strcaseequ(r[0], "EndIf")) ifbr--;
167	if(ifbr == 0) {
168	ignore = -1;
169	}
170	} else if(cm_strcaseequ(r[0], "Include") \|\| cm_strcaseequ(r[0], "IncludeOptional")) {
171	for(i = 1; r[i] != NULL; i++) {
172	if(tw_config_read(r[i]) != 0 && cm_strcaseequ(r[0], "Include")) {
173	stop = 1;
174	break;
175	}
176	}
177	} else if(cm_strcaseequ(r[0], "Define")) {
178	if(r[1] == NULL) {
179	cm_log("Config", "Missing name at line %d", ln);
180	stop = 1;
181	} else {
182	tw_add_define(r[1]);
183	}
184	} else if(cm_strcaseequ(r[0], "Undefine")) {
185	if(r[1] == NULL) {
186	cm_log("Config", "Missing name at line %d", ln);
187	stop = 1;
188	} else {
189	tw_delete_define(r[1]);
190	}
191	} else if(cm_strcaseequ(r[0], "BeginDirectory")) {
192	if(dir != NULL) {
193	cm_log("Config", "Already in directory section at line %d", ln);
194	stop = 1;
195	} else {
196	if(r[1] == NULL) {
197	cm_log("Config", "Missing directory at line %d", ln);
198	stop = 1;
199	} else {
200	dir = cm_strcat(r[1], r[1][strlen(r[1]) - 1] == '/' ? "" : "/");
201	}
202	}
203	} else if(cm_strcaseequ(r[0], "EndDirectory")) {
204	if(dir == NULL) {
205	cm_log("Config", "Not in directory section at line %d", ln);
206	stop = 1;
207	} else {
208	free(dir);
209	dir = NULL;
210	}
211	} else if(cm_strcaseequ(r[0], "Allow")) {
212	if(dir == NULL) {
213	cm_log("Config", "Not in directory section at line %d", ln);
214	stop = 1;
215	} else {
216	if(r[1] == NULL) {
217	cm_log("Config", "Missing argument at line %d", ln);
218	stop = 1;
219	} else {
220	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
221	e->name = cm_strdup(r[1]);
222	e->dir = cm_strdup(dir);
223	e->type = TW_DIR_ALLOW;
224	}
225	}
226	} else if(cm_strcaseequ(r[0], "Deny")) {
227	if(dir == NULL) {
228	cm_log("Config", "Not in directory section at line %d", ln);
229	stop = 1;
230	} else {
231	if(r[1] == NULL) {
232	cm_log("Config", "Missing argument at line %d", ln);
233	stop = 1;
234	} else {
235	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
236	e->name = cm_strdup(r[1]);
237	e->dir = cm_strdup(dir);
238	e->type = TW_DIR_DENY;
239	}
240	}
241	} else if(cm_strcaseequ(r[0], "BeginVirtualHost")) {
242	if(vhost != NULL) {
243	cm_log("Config", "Already in virtual host section at line %d", ln);
244	stop = 1;
245	} else {
246	if(r[1] == NULL) {
247	cm_log("Config", "Missing virtual host at line %d", ln);
248	stop = 1;
249	} else {
250	int i;
251	vhost = cm_strdup(r[1]);
252	current = &config.vhosts[config.vhost_count++];
253	current->dir_count = 0;
254	current->mime_count = 0;
255	current->icon_count = 0;
256	current->index_count = 0;
257	current->readme_count = 0;
258	current->hideport = -1;
259	current->name = cm_strdup(vhost);
260	current->port = -1;
261	for(i = 0; vhost[i] != 0; i++) {
262	if(vhost[i] == ':') {
263	current->name[i] = 0;
264	current->port = atoi(current->name + i + 1);
265	break;
266	}
267	}
268	}
269	}
270	} else if(cm_strcaseequ(r[0], "EndVirtualHost")) {
271	if(vhost == NULL) {
272	cm_log("Config", "Not in virtual host section at line %d", ln);
273	stop = 1;
274	} else {
275	free(vhost);
276	vhost = NULL;
277	current = &config.root;
278	}
279	} else if(cm_strcaseequ(r[0], "Listen")
280	#ifndef NO_SSL
281	\|\| cm_strcaseequ(r[0], "ListenSSL")
282	#endif
283	) {
284	for(i = 1; r[i] != NULL; i++) {
285	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
286	uint32_t port = atoi(r[i]);
287	#else
288	uint64_t port = atoi(r[i]);
289	#endif
290	int j;
291	cm_log("Config", "Going to listen at port %d%s", (int)port, cm_strcaseequ(r[0], "ListenSSL") ? " with SSL" : "");
292	#if defined(_MSC_VER) \|\| defined(__BORLANDC__)
293	if(cm_strcaseequ(r[0], "ListenSSL")) port \|= (1UL << 31);
294	#else
295	if(cm_strcaseequ(r[0], "ListenSSL")) port \|= (1ULL << 31);
296	#endif
297	for(j = 0; config.ports[j] != -1; j++)
298	;
299	config.ports[j] = port;
300	}
301	} else if(cm_strcaseequ(r[0], "HidePort")) {
302	current->hideport = 1;
303	} else if(cm_strcaseequ(r[0], "ShowPort")) {
304	current->hideport = 0;
305	#ifndef NO_SSL
306	} else if(cm_strcaseequ(r[0], "SSLKey")) {
307	if(r[1] == NULL) {
308	cm_log("Config", "Missing path at line %d", ln);
309	stop = 1;
310	} else {
311	if(current->sslkey != NULL) free(current->sslkey);
312	current->sslkey = cm_strdup(r[1]);
313	}
314	} else if(cm_strcaseequ(r[0], "SSLCertificate")) {
315	if(r[1] == NULL) {
316	cm_log("Config", "Missing path at line %d", ln);
317	stop = 1;
318	} else {
319	if(current->sslcert != NULL) free(current->sslcert);
320	current->sslcert = cm_strdup(r[1]);
321	}
322	#endif
323	#ifdef HAS_CHROOT
324	} else if(cm_strcaseequ(r[0], "ChrootDirectory")) {
325	if(r[1] == NULL) {
326	cm_log("Config", "Missing path at line %d", ln);
327	stop = 1;
328	} else {
329	if(current->chroot_path != NULL) free(current->chroot_path);
330	current->chroot_path = cm_strdup(r[1]);
331	}
332	#endif
333	} else if(cm_strcaseequ(r[0], "ForceLog")) {
334	if(r[1] == NULL) {
335	cm_log("Config", "Missing log at line %d", ln);
336	stop = 1;
337	} else {
338	cm_force_log(r[1]);
339	}
340	} else if(cm_strcaseequ(r[0], "EndIf")) {
341	if(ifbr == 0) {
342	cm_log("Config", "Missing BeginIf at line %d", ln);
343	stop = 1;
344	}
345	ifbr--;
346	} else if(cm_strcaseequ(r[0], "BeginIf") \|\| cm_strcaseequ(r[0], "BeginIfNot")) {
347	if(r[1] == NULL) {
348	cm_log("Config", "Missing condition type at line %d", ln);
349	} else {
350	bool ign = false;
351	ifbr++;
352	if(cm_strcaseequ(r[1], "False")) {
353	ign = true;
354	} else if(cm_strcaseequ(r[1], "True")) {
355	} else if(cm_strcaseequ(r[1], "Defined")) {
356	if(r[2] == NULL) {
357	cm_log("Config", "Missing name at line %d", ln);
358	stop = 1;
359	} else {
360	int i;
361	bool fndit = false;
362	for(i = 0; config.defined[i] != NULL; i++) {
363	if(strcmp(config.defined[i], r[2]) == 0) {
364	fndit = true;
365	break;
366	}
367	}
368	if(!fndit) {
369	ign = true;
370	}
371	}
372	} else {
373	cm_log("Config", "Unknown condition type at line %d", ln);
374	stop = 1;
375	}
376	if(cm_strcaseequ(r[0], "BeginIfNot")) ign = !ign;
377	if(ign) {
378	ignore = ifbr - 1;
379	}
380	}
381	} else if(cm_strcaseequ(r[0], "ServerRoot")) {
382	if(r[1] == NULL) {
383	cm_log("Config", "Missing path at line %d", ln);
384	stop = 1;
385	} else {
386	chdir(r[1]);
387	free(config.server_root);
388	config.server_root = cm_strdup(r[1]);
389	}
390	} else if(cm_strcaseequ(r[0], "ServerAdmin")) {
391	if(r[1] == NULL) {
392	cm_log("Config", "Missing email at line %d", ln);
393	stop = 1;
394	} else {
395	free(config.server_admin);
396	config.server_admin = cm_strdup(r[1]);
397	}
398	} else if(cm_strcaseequ(r[0], "DocumentRoot")) {
399	if(r[1] == NULL) {
400	cm_log("Config", "Missing path at line %d", ln);
401	stop = 1;
402	} else {
403	if(current->root != NULL) free(current->root);
404	current->root = cm_strdup(strcmp(r[1], "/") == 0 ? "" : r[1]);
405	}
406	} else if(cm_strcaseequ(r[0], "MIMEType")) {
407	if(r[1] == NULL) {
408	cm_log("Config", "Missing extension at line %d", ln);
409	stop = 1;
410	} else if(r[2] == NULL) {
411	cm_log("Config", "Missing MIME at line %d", ln);
412	stop = 1;
413	} else {
414	struct tw_mime_entry* e = &current->mimes[current->mime_count++];
415	e->ext = cm_strdup(r[1]);
416	e->mime = cm_strdup(r[2]);
417	}
418	} else if(cm_strcaseequ(r[0], "MIMEFile")) {
419	if(r[1] == NULL) {
420	cm_log("Config", "Missing path at line %d", ln);
421	stop = 1;
422	} else {
423	FILE* mimefile = fopen(r[1], "r");
424	if(mimefile == NULL) {
425	cm_log("Config", "Could not load the file at line %d", ln);
426	stop = 1;
427	} else {
428	char* line = malloc(1);
429	int i;
430	struct stat st;
431	char* buf;
432	int incr = 0;
433	stat(r[1], &st);
434
435	buf = malloc(st.st_size + 1);
436	fread(buf, st.st_size, 1, mimefile);
437
438	for(i = 0;; i++) {
439	if(buf[i] == '\n' \|\| buf[i] == 0) {
440	char oldc = buf[i];
441	char* line;
442	buf[i] = 0;
443
444	line = buf + incr;
445
446	if(strlen(line) > 0 && line[0] != '#') {
447	int j;
448	for(j = 0; line[j] != 0; j++) {
449	if(line[j] == ' ' \|\| line[j] == '\t') {
450	line[j] = 0;
451	j++;
452	for(; line[j] != 0; j++) {
453	if(line[j] != ' ' && line[j] != '\t') {
454	char* name = line;
455	char* mimes = line + j;
456	int k = 0;
457	int incr2 = 0;
458	for(k = 0;; k++) {
459	if(mimes[k] == ' ' \|\| mimes[k] == 0) {
460	char oldc2 = mimes[k];
461	struct tw_mime_entry* e;
462	mimes[k] = 0;
463
464	e = &current->mimes[current->mime_count++];
465	e->ext = cm_strcat(".", mimes + incr2);
466	e->mime = cm_strdup(name);
467	if(current->mime_count == MAX_MIME) {
468	cm_log("Config", "Too many MIME types, cannot handle");
469	stop = 1;
470	break;
471	}
472
473	incr2 = k + 1;
474	if(oldc2 == 0) break;
475	}
476	}
477	break;
478	}
479	}
480	break;
481	}
482	if(stop) break;
483	}
484	}
485
486	incr = i + 1;
487	if(oldc == 0) break;
488	}
489	}
490
491	free(buf);
492
493	fclose(mimefile);
494	}
495	}
496	} else if(cm_strcaseequ(r[0], "Icon")) {
497	if(r[1] == NULL) {
498	cm_log("Config", "Missing MIME at line %d", ln);
499	stop = 1;
500	} else if(r[2] == NULL) {
501	cm_log("Config", "Missing path at line %d", ln);
502	stop = 1;
503	} else {
504	struct tw_icon_entry* e = &current->icons[current->icon_count++];
505	e->mime = cm_strdup(r[1]);
506	e->icon = cm_strdup(r[2]);
507	}
508	} else if(cm_strcaseequ(r[0], "LoadModule")) {
509	for(i = 1; r[i] != NULL; i++) {
510	void* mod = tw_module_load(r[i]);
511	if(mod != NULL) {
512	config.modules[config.module_count++] = mod;
513	if(tw_module_init(mod) != 0) {
514	stop = 1;
515	break;
516	}
517	} else {
518	cm_log("Config", "Could not load the module at line %d", ln);
519	stop = 1;
520	break;
521	}
522	}
523	} else if(cm_strcaseequ(r[0], "DirectoryIndex")) {
524	for(i = 1; r[i] != NULL; i++) {
525	current->indexes[current->index_count++] = cm_strdup(r[i]);
526	}
527	} else if(cm_strcaseequ(r[0], "ReadmeFile") \|\| cm_strcaseequ(r[0], "Readme")) {
528	if(cm_strcaseequ(r[0], "Readme")) {
529	cm_force_log("NOTE: Readme directive is deprecated.");
530	}
531	for(i = 1; r[i] != NULL; i++) {
532	current->readmes[current->readme_count++] = cm_strdup(r[i]);
533	}
534	} else {
535	stop = 1;
536	if(r[0] != NULL) {
537	int argc;
538	int i;
539	bool called = false;
540	struct tw_tool tools;
541	for(argc = 0; r[argc] != NULL; argc++)
542	;
543	stop = 0;
544	tw_init_tools(&tools);
545	for(i = 0; i < config.module_count; i++) {
546	tw_mod_config_t mod_config = (tw_mod_config_t)tw_module_symbol(config.modules[i], "mod_config");
547	int resp;
548	if(mod_config != NULL && (resp = mod_config(&tools, r, argc)) == TW_CONFIG_PARSED) {
549	called = true;
550	break;
551	}
552	if(resp == TW_CONFIG_ERROR) {
553	stop = 1;
554	called = true;
555	break;
556	}
557	}
558	if(!called) {
559	cm_log("Config", "Unknown directive `%s' at line %d", r[0], ln);
560	stop = 1;
561	}
562	}
563	}
564	for(i = 0; r[i] != NULL; i++) free(r[i]);
565	free(r);
566	}
567	free(l);
568	free(line);
569	line = malloc(1);
570	line[0] = 0;
571	if(c <= 0) break;
572	} else if(cbuf[0] != '\r') {
573	char* tmp = line;
574	line = cm_strcat(tmp, cbuf);
575	free(tmp);
576	}
577	}
578	free(line);
579	fclose(f);
580	for(portcount = 0; config.ports[portcount] != -1; portcount++)
581	;
582	if(portcount == 0) {
583	return 1;
584	} else {
585	return stop;
586	}
587	} else {
588	cm_log("Config", "Could not open the file");
589	return 1;
590	}
591	}

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source: Main/trunk/Server/config.c@ 324

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