config.c@ 189

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Last change on this file since 189 was 189, checked in by Nishi, on Sep 29, 2024 at 9:37:00 AM
will try to fix ps2 later
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1	/* $Id: config.c 189 2024-09-29 00:37:00Z 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 <unistd.h>
13
14	#ifdef __MINGW32__
15	#include <winsock2.h>
16	#endif
17
18	#include <cm_string.h>
19	#include <cm_log.h>
20
21	struct tw_config config;
22
23	struct tw_config_entry* tw_vhost_match(const char* name, int port) {
24	int i;
25	for(i = 0; i < config.vhost_count; i++) {
26	if(strcmp(config.vhosts[i].name, name) == 0 && (config.vhosts[i].port == -1 ? 1 : config.vhosts[i].port == port)) {
27	return &config.vhosts[i];
28	}
29	}
30	return &config.root;
31	}
32
33	bool tw_permission_allowed(const char* path, SOCKADDR addr, struct tw_http_request req, struct tw_config_entry* vhost) {
34	int i;
35	bool found = false;
36	bool pathstart = false;
37	bool perm = false;
38	again:
39	for(i = 0; i < vhost->dir_count; i++) {
40	struct tw_dir_entry* e = &vhost->dirs[i];
41	pathstart = false;
42	if(strlen(path) >= strlen(e->dir)) {
43	pathstart = true;
44	int j;
45	for(j = 0; path[j] != 0 && e->dir[j] != 0; j++) {
46	if(path[j] != e->dir[j]) {
47	pathstart = false;
48	break;
49	}
50	}
51	}
52	char* noslash = cm_strdup(e->dir);
53	noslash[strlen(noslash) - 1] = 0;
54	if(strcmp(e->dir, path) == 0 \|\| strcmp(noslash, path) == 0 \|\| pathstart) {
55	found = true;
56	if(strcmp(e->name, "all") == 0) {
57	perm = e->type == TW_DIR_ALLOW;
58	}
59	}
60	free(noslash);
61	}
62	if(!found && vhost != &config.root) {
63	vhost = &config.root;
64	goto again;
65	}
66	return perm;
67	}
68
69	void tw_config_init(void) {
70	int i;
71	for(i = 0; i < MAX_PORTS + 1; i++) {
72	config.ports[i] = -1;
73	}
74	for(i = 0; i < MAX_VHOSTS; i++) {
75	#ifndef NO_SSL
76	config.vhosts[i].sslkey = NULL;
77	config.vhosts[i].sslcert = NULL;
78	#endif
79	config.vhosts[i].root = NULL;
80	#ifdef HAS_CHROOT
81	config.vhosts[i].chroot_path = NULL;
82	#endif
83	}
84	#ifndef NO_SSL
85	config.root.sslkey = NULL;
86	config.root.sslcert = NULL;
87	#endif
88	config.root.root = NULL;
89	config.root.mime_count = 0;
90	config.root.dir_count = 0;
91	config.root.icon_count = 0;
92	config.root.index_count = 0;
93	config.root.readme_count = 0;
94	config.root.hideport = 0;
95	#ifdef HAS_CHROOT
96	config.root.chroot_path = NULL;
97	#endif
98	config.vhost_count = 0;
99	config.module_count = 0;
100	config.extension = NULL;
101	config.server_root = cm_strdup(PREFIX);
102	config.server_admin = cm_strdup(SERVER_ADMIN);
103	config.defined[0] = NULL;
104	#if defined(_PSP)
105	strcpy(config.hostname, "psp");
106	#elif defined(__PPU__)
107	strcpy(config.hostname, "ps3");
108	#elif defined(__ps2sdk__)
109	strcpy(config.hostname, "ps2");
110	#else
111	gethostname(config.hostname, 1024);
112	#endif
113	#ifdef HAS_CHROOT
114	tw_add_define("HAS_CHROOT");
115	#endif
116	#ifndef NO_SSL
117	tw_add_define("HAS_SSL");
118	#endif
119	}
120
121	int tw_config_read(const char* path) {
122	cm_log("Config", "Reading %s", path);
123	char cbuf[2];
124	cbuf[1] = 0;
125	int ln = 0;
126	int ifbr = 0;
127	int ignore = -1;
128	FILE* f = fopen(path, "r");
129	if(f != NULL) {
130	char* line = malloc(1);
131	line[0] = 0;
132	int stop = 0;
133	struct tw_config_entry* current = &config.root;
134	char* vhost = NULL;
135	char* dir = NULL;
136	while(stop == 0) {
137	int c = fread(cbuf, 1, 1, f);
138	if(cbuf[0] == '\n' \|\| c <= 0) {
139	ln++;
140	char* l = cm_trim(line);
141	if(strlen(l) > 0 && l[0] != '#') {
142	char** r = cm_split(l, " \t");
143	int i;
144	if(ignore != -1 && ifbr >= ignore) {
145	if(cm_strcaseequ(r[0], "EndIf")) ifbr--;
146	if(ifbr == 0) {
147	ignore = -1;
148	}
149	} else if(cm_strcaseequ(r[0], "Include") \|\| cm_strcaseequ(r[0], "IncludeOptional")) {
150	for(i = 1; r[i] != NULL; i++) {
151	if(tw_config_read(r[i]) != 0 && cm_strcaseequ(r[0], "Include")) {
152	stop = 1;
153	break;
154	}
155	}
156	} else if(cm_strcaseequ(r[0], "Define")) {
157	if(r[1] == NULL) {
158	cm_log("Config", "Missing name at line %d", ln);
159	stop = 1;
160	} else {
161	tw_add_define(r[1]);
162	}
163	} else if(cm_strcaseequ(r[0], "Undefine")) {
164	if(r[1] == NULL) {
165	cm_log("Config", "Missing name at line %d", ln);
166	stop = 1;
167	} else {
168	tw_delete_define(r[1]);
169	}
170	} else if(cm_strcaseequ(r[0], "BeginDirectory")) {
171	if(dir != NULL) {
172	cm_log("Config", "Already in directory section at line %d", ln);
173	stop = 1;
174	} else {
175	if(r[1] == NULL) {
176	cm_log("Config", "Missing directory at line %d", ln);
177	stop = 1;
178	} else {
179	dir = cm_strcat(r[1], r[1][strlen(r[1]) - 1] == '/' ? "" : "/");
180	}
181	}
182	} else if(cm_strcaseequ(r[0], "EndDirectory")) {
183	if(dir == NULL) {
184	cm_log("Config", "Not in directory section at line %d", ln);
185	stop = 1;
186	} else {
187	free(dir);
188	dir = NULL;
189	}
190	} else if(cm_strcaseequ(r[0], "Allow")) {
191	if(dir == NULL) {
192	cm_log("Config", "Not in directory section at line %d", ln);
193	stop = 1;
194	} else {
195	if(r[1] == NULL) {
196	cm_log("Config", "Missing argument at line %d", ln);
197	stop = 1;
198	} else {
199	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
200	e->name = cm_strdup(r[1]);
201	e->dir = cm_strdup(dir);
202	e->type = TW_DIR_ALLOW;
203	}
204	}
205	} else if(cm_strcaseequ(r[0], "Deny")) {
206	if(dir == NULL) {
207	cm_log("Config", "Not in directory section at line %d", ln);
208	stop = 1;
209	} else {
210	if(r[1] == NULL) {
211	cm_log("Config", "Missing argument at line %d", ln);
212	stop = 1;
213	} else {
214	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
215	e->name = cm_strdup(r[1]);
216	e->dir = cm_strdup(dir);
217	e->type = TW_DIR_DENY;
218	}
219	}
220	} else if(cm_strcaseequ(r[0], "BeginVirtualHost")) {
221	if(vhost != NULL) {
222	cm_log("Config", "Already in virtual host section at line %d", ln);
223	stop = 1;
224	} else {
225	if(r[1] == NULL) {
226	cm_log("Config", "Missing virtual host at line %d", ln);
227	stop = 1;
228	} else {
229	vhost = cm_strdup(r[1]);
230	current = &config.vhosts[config.vhost_count++];
231	current->dir_count = 0;
232	current->mime_count = 0;
233	current->icon_count = 0;
234	current->index_count = 0;
235	current->readme_count = 0;
236	current->hideport = -1;
237	int i;
238	current->name = cm_strdup(vhost);
239	current->port = -1;
240	for(i = 0; vhost[i] != 0; i++) {
241	if(vhost[i] == ':') {
242	current->name[i] = 0;
243	current->port = atoi(current->name + i + 1);
244	break;
245	}
246	}
247	}
248	}
249	} else if(cm_strcaseequ(r[0], "EndVirtualHost")) {
250	if(vhost == NULL) {
251	cm_log("Config", "Not in virtual host section at line %d", ln);
252	stop = 1;
253	} else {
254	free(vhost);
255	vhost = NULL;
256	current = &config.root;
257	}
258	} else if(cm_strcaseequ(r[0], "Listen")
259	#ifndef NO_SSL
260	\|\| cm_strcaseequ(r[0], "ListenSSL")
261	#endif
262	) {
263	for(i = 1; r[i] != NULL; i++) {
264	uint64_t port = atoi(r[i]);
265	cm_log("Config", "Going to listen at port %d%s", (int)port, cm_strcaseequ(r[0], "ListenSSL") ? " with SSL" : "");
266	if(cm_strcaseequ(r[0], "ListenSSL")) port \|= (1ULL << 32);
267	int j;
268	for(j = 0; config.ports[j] != -1; j++)
269	;
270	config.ports[j] = port;
271	}
272	} else if(cm_strcaseequ(r[0], "HidePort")) {
273	current->hideport = 1;
274	} else if(cm_strcaseequ(r[0], "ShowPort")) {
275	current->hideport = 0;
276	#ifndef NO_SSL
277	} else if(cm_strcaseequ(r[0], "SSLKey")) {
278	if(r[1] == NULL) {
279	cm_log("Config", "Missing path at line %d", ln);
280	stop = 1;
281	} else {
282	if(current->sslkey != NULL) free(current->sslkey);
283	current->sslkey = cm_strdup(r[1]);
284	}
285	} else if(cm_strcaseequ(r[0], "SSLCertificate")) {
286	if(r[1] == NULL) {
287	cm_log("Config", "Missing path at line %d", ln);
288	stop = 1;
289	} else {
290	if(current->sslcert != NULL) free(current->sslcert);
291	current->sslcert = cm_strdup(r[1]);
292	}
293	#endif
294	#ifdef HAS_CHROOT
295	} else if(cm_strcaseequ(r[0], "ChrootDirectory")) {
296	if(r[1] == NULL) {
297	cm_log("Config", "Missing path at line %d", ln);
298	stop = 1;
299	} else {
300	if(current->chroot_path != NULL) free(current->chroot_path);
301	current->chroot_path = cm_strdup(r[1]);
302	}
303	#endif
304	} else if(cm_strcaseequ(r[0], "ForceLog")) {
305	if(r[1] == NULL) {
306	cm_log("Config", "Missing log at line %d", ln);
307	stop = 1;
308	} else {
309	cm_force_log(r[1]);
310	}
311	} else if(cm_strcaseequ(r[0], "EndIf")) {
312	if(ifbr == 0) {
313	cm_log("Config", "Missing BeginIf at line %d", ln);
314	stop = 1;
315	}
316	ifbr--;
317	} else if(cm_strcaseequ(r[0], "BeginIf") \|\| cm_strcaseequ(r[0], "BeginIfNot")) {
318	if(r[1] == NULL) {
319	cm_log("Config", "Missing condition type at line %d", ln);
320	} else {
321	ifbr++;
322	bool ign = false;
323	if(cm_strcaseequ(r[1], "False")) {
324	ign = true;
325	} else if(cm_strcaseequ(r[1], "True")) {
326	} else if(cm_strcaseequ(r[1], "Defined")) {
327	if(r[2] == NULL) {
328	cm_log("Config", "Missing name at line %d", ln);
329	stop = 1;
330	} else {
331	int i;
332	bool fndit = false;
333	for(i = 0; config.defined[i] != NULL; i++) {
334	if(strcmp(config.defined[i], r[2]) == 0) {
335	fndit = true;
336	break;
337	}
338	}
339	if(!fndit) {
340	ign = true;
341	}
342	}
343	} else {
344	cm_log("Config", "Unknown condition type at line %d", ln);
345	stop = 1;
346	}
347	if(cm_strcaseequ(r[0], "BeginIfNot")) ign = !ign;
348	if(ign) {
349	ignore = ifbr - 1;
350	}
351	}
352	} else if(cm_strcaseequ(r[0], "ServerRoot")) {
353	if(r[1] == NULL) {
354	cm_log("Config", "Missing path at line %d", ln);
355	stop = 1;
356	} else {
357	chdir(r[1]);
358	free(config.server_root);
359	config.server_root = cm_strdup(r[1]);
360	}
361	} else if(cm_strcaseequ(r[0], "ServerAdmin")) {
362	if(r[1] == NULL) {
363	cm_log("Config", "Missing email at line %d", ln);
364	stop = 1;
365	} else {
366	free(config.server_admin);
367	config.server_admin = cm_strdup(r[1]);
368	}
369	} else if(cm_strcaseequ(r[0], "DocumentRoot")) {
370	if(r[1] == NULL) {
371	cm_log("Config", "Missing path at line %d", ln);
372	stop = 1;
373	} else {
374	if(current->root != NULL) free(current->root);
375	current->root = cm_strdup(strcmp(r[1], "/") == 0 ? "" : r[1]);
376	}
377	} else if(cm_strcaseequ(r[0], "MIMEType")) {
378	if(r[1] == NULL) {
379	cm_log("Config", "Missing extension at line %d", ln);
380	stop = 1;
381	} else if(r[2] == NULL) {
382	cm_log("Config", "Missing MIME at line %d", ln);
383	stop = 1;
384	} else {
385	struct tw_mime_entry* e = &current->mimes[current->mime_count++];
386	e->ext = cm_strdup(r[1]);
387	e->mime = cm_strdup(r[2]);
388	}
389	} else if(cm_strcaseequ(r[0], "Icon")) {
390	if(r[1] == NULL) {
391	cm_log("Config", "Missing MIME at line %d", ln);
392	stop = 1;
393	} else if(r[2] == NULL) {
394	cm_log("Config", "Missing path at line %d", ln);
395	stop = 1;
396	} else {
397	struct tw_icon_entry* e = &current->icons[current->icon_count++];
398	e->mime = cm_strdup(r[1]);
399	e->icon = cm_strdup(r[2]);
400	}
401	} else if(cm_strcaseequ(r[0], "LoadModule")) {
402	for(i = 1; r[i] != NULL; i++) {
403	void* mod = tw_module_load(r[i]);
404	if(mod != NULL) {
405	config.modules[config.module_count++] = mod;
406	if(tw_module_init(mod) != 0) {
407	stop = 1;
408	break;
409	}
410	} else {
411	cm_log("Config", "Could not load the module at line %d", ln);
412	stop = 1;
413	break;
414	}
415	}
416	} else if(cm_strcaseequ(r[0], "DirectoryIndex")) {
417	for(i = 1; r[i] != NULL; i++) {
418	current->indexes[current->index_count++] = cm_strdup(r[i]);
419	}
420	} else if(cm_strcaseequ(r[0], "ReadmeFile") \|\| cm_strcaseequ(r[0], "Readme")) {
421	if(cm_strcaseequ(r[0], "Readme")) {
422	cm_force_log("NOTE: Readme directive is deprecated.");
423	}
424	for(i = 1; r[i] != NULL; i++) {
425	current->readmes[current->readme_count++] = cm_strdup(r[i]);
426	}
427	} else {
428	stop = 1;
429	if(r[0] != NULL) {
430	int argc;
431	for(argc = 0; r[argc] != NULL; argc++)
432	;
433	stop = 0;
434	int i;
435	bool called = false;
436	struct tw_tool tools;
437	tw_init_tools(&tools);
438	for(i = 0; i < config.module_count; i++) {
439	tw_mod_config_t mod_config = (tw_mod_config_t)tw_module_symbol(config.modules[i], "mod_config");
440	int resp;
441	if(mod_config != NULL && (resp = mod_config(&tools, r, argc)) == TW_CONFIG_PARSED) {
442	called = true;
443	break;
444	}
445	if(resp == TW_CONFIG_ERROR) {
446	stop = 1;
447	called = true;
448	break;
449	}
450	}
451	if(!called) {
452	cm_log("Config", "Unknown directive `%s' at line %d", r[0], ln);
453	stop = 1;
454	}
455	}
456	}
457	for(i = 0; r[i] != NULL; i++) free(r[i]);
458	free(r);
459	}
460	free(l);
461	free(line);
462	line = malloc(1);
463	line[0] = 0;
464	if(c <= 0) break;
465	} else if(cbuf[0] != '\r') {
466	char* tmp = line;
467	line = cm_strcat(tmp, cbuf);
468	free(tmp);
469	}
470	}
471	free(line);
472	fclose(f);
473	return stop;
474	} else {
475	cm_log("Config", "Could not open the file");
476	return 1;
477	}
478	}

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source: Main/trunk/Server/config.c@ 189

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