config.c@ 176

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Last change on this file since 176 was 176, checked in by Nishi, on Sep 27, 2024 at 6:28:41 AM
breaking change: Readme has been changed to ReadmeFile
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File size: 12.8 KB

Rev	Line
[4]	1	/* $Id: config.c 176 2024-09-26 21:28:41Z nishi $ */
	2
[16]	3	#define SOURCE
	4
[4]	5	#include "tw_config.h"
[17]	6	#include "tw_module.h"
[4]	7
	8	#include <stdio.h>
[7]	9	#include <stdint.h>
[4]	10	#include <stdlib.h>
	11	#include <string.h>
[12]	12	#include <unistd.h>
[4]	13
[20]	14	#ifdef __MINGW32__
	15	#include <winsock2.h>
	16	#endif
	17
[4]	18	#include <cm_string.h>
	19	#include <cm_log.h>
	20
[6]	21	struct tw_config config;
	22
[12]	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++) {
[13]	26	if(strcmp(config.vhosts[i].name, name) == 0 && (config.vhosts[i].port == -1 ? 1 : config.vhosts[i].port == port)) {
[12]	27	return &config.vhosts[i];
	28	}
	29	}
	30	return &config.root;
	31	}
	32
[22]	33	bool tw_permission_allowed(const char* path, SOCKADDR addr, struct tw_http_request req, struct tw_config_entry* vhost) {
[21]	34	int i;
	35	bool found = false;
	36	bool pathstart = false;
	37	bool perm = false;
	38	again:
[22]	39	for(i = 0; i < vhost->dir_count; i++) {
[21]	40	struct tw_dir_entry* e = &vhost->dirs[i];
	41	pathstart = false;
[22]	42	if(strlen(path) >= strlen(e->dir)) {
[21]	43	pathstart = true;
	44	int j;
[22]	45	for(j = 0; path[j] != 0 && e->dir[j] != 0; j++) {
	46	if(path[j] != e->dir[j]) {
[21]	47	pathstart = false;
	48	break;
	49	}
	50	}
	51	}
	52	char* noslash = cm_strdup(e->dir);
	53	noslash[strlen(noslash) - 1] = 0;
[22]	54	if(strcmp(e->dir, path) == 0 \|\| strcmp(noslash, path) == 0 \|\| pathstart) {
[21]	55	found = true;
[22]	56	if(strcmp(e->name, "all") == 0) {
[21]	57	perm = e->type == TW_DIR_ALLOW;
	58	}
	59	}
	60	free(noslash);
	61	}
[22]	62	if(!found && vhost != &config.root) {
[21]	63	vhost = &config.root;
	64	goto again;
	65	}
	66	return perm;
	67	}
	68
[7]	69	void tw_config_init(void) {
	70	int i;
	71	for(i = 0; i < MAX_PORTS + 1; i++) {
	72	config.ports[i] = -1;
	73	}
[12]	74	for(i = 0; i < MAX_VHOSTS; i++) {
[156]	75	#ifndef NO_SSL
[12]	76	config.vhosts[i].sslkey = NULL;
	77	config.vhosts[i].sslcert = NULL;
[156]	78	#endif
[19]	79	config.vhosts[i].root = NULL;
[156]	80	#ifdef HAS_CHROOT
	81	config.vhosts[i].chroot_path = NULL;
	82	#endif
[12]	83	}
[156]	84	#ifndef NO_SSL
[12]	85	config.root.sslkey = NULL;
	86	config.root.sslcert = NULL;
[156]	87	#endif
[19]	88	config.root.root = NULL;
[21]	89	config.root.mime_count = 0;
	90	config.root.dir_count = 0;
[22]	91	config.root.icon_count = 0;
[24]	92	config.root.index_count = 0;
[33]	93	config.root.readme_count = 0;
[123]	94	config.root.hideport = 0;
[156]	95	#ifdef HAS_CHROOT
	96	config.root.chroot_path = NULL;
	97	#endif
[12]	98	config.vhost_count = 0;
[18]	99	config.module_count = 0;
	100	config.extension = NULL;
[17]	101	config.server_root = cm_strdup(PREFIX);
[128]	102	config.server_admin = cm_strdup(SERVER_ADMIN);
[156]	103	config.defined[0] = NULL;
[12]	104	gethostname(config.hostname, 1024);
[161]	105	#ifdef HAS_CHROOT
	106	tw_add_define("HAS_CHROOT");
	107	#endif
[174]	108	#ifndef NO_SSL
	109	tw_add_define("HAS_SSL");
	110	#endif
[7]	111	}
[6]	112
	113	int tw_config_read(const char* path) {
[4]	114	cm_log("Config", "Reading %s", path);
	115	char cbuf[2];
	116	cbuf[1] = 0;
[6]	117	int ln = 0;
[156]	118	int ifbr = 0;
	119	int ignore = -1;
[4]	120	FILE* f = fopen(path, "r");
[6]	121	if(f != NULL) {
[4]	122	char* line = malloc(1);
	123	line[0] = 0;
[6]	124	int stop = 0;
[12]	125	struct tw_config_entry* current = &config.root;
[6]	126	char* vhost = NULL;
[21]	127	char* dir = NULL;
[6]	128	while(stop == 0) {
[4]	129	int c = fread(cbuf, 1, 1, f);
[6]	130	if(cbuf[0] == '\n' \|\| c <= 0) {
	131	ln++;
[4]	132	char* l = cm_trim(line);
[6]	133	if(strlen(l) > 0 && l[0] != '#') {
[5]	134	char** r = cm_split(l, " \t");
	135	int i;
[156]	136	if(ignore != -1 && ifbr >= ignore) {
	137	if(cm_strcaseequ(r[0], "EndIf")) ifbr--;
	138	if(ifbr == 0) {
	139	ignore = -1;
	140	}
	141	} else if(cm_strcaseequ(r[0], "Include") \|\| cm_strcaseequ(r[0], "IncludeOptional")) {
[6]	142	for(i = 1; r[i] != NULL; i++) {
	143	if(tw_config_read(r[i]) != 0 && cm_strcaseequ(r[0], "Include")) {
	144	stop = 1;
	145	break;
[5]	146	}
	147	}
[156]	148	} else if(cm_strcaseequ(r[0], "Define")) {
	149	if(r[1] == NULL) {
	150	cm_log("Config", "Missing name at line %d", ln);
	151	stop = 1;
	152	} else {
	153	tw_add_define(r[1]);
	154	}
	155	} else if(cm_strcaseequ(r[0], "Undefine")) {
	156	if(r[1] == NULL) {
	157	cm_log("Config", "Missing name at line %d", ln);
	158	stop = 1;
	159	} else {
	160	tw_delete_define(r[1]);
	161	}
[21]	162	} else if(cm_strcaseequ(r[0], "BeginDirectory")) {
	163	if(dir != NULL) {
	164	cm_log("Config", "Already in directory section at line %d", ln);
	165	stop = 1;
	166	} else {
	167	if(r[1] == NULL) {
	168	cm_log("Config", "Missing directory at line %d", ln);
	169	stop = 1;
	170	} else {
	171	dir = cm_strcat(r[1], r[1][strlen(r[1]) - 1] == '/' ? "" : "/");
	172	}
	173	}
	174	} else if(cm_strcaseequ(r[0], "EndDirectory")) {
	175	if(dir == NULL) {
	176	cm_log("Config", "Not in directory section at line %d", ln);
	177	stop = 1;
	178	} else {
	179	free(dir);
	180	dir = NULL;
	181	}
	182	} else if(cm_strcaseequ(r[0], "Allow")) {
	183	if(dir == NULL) {
	184	cm_log("Config", "Not in directory section at line %d", ln);
	185	stop = 1;
	186	} else {
	187	if(r[1] == NULL) {
	188	cm_log("Config", "Missing argument at line %d", ln);
	189	stop = 1;
	190	} else {
	191	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
	192	e->name = cm_strdup(r[1]);
	193	e->dir = cm_strdup(dir);
	194	e->type = TW_DIR_ALLOW;
	195	}
	196	}
	197	} else if(cm_strcaseequ(r[0], "Deny")) {
	198	if(dir == NULL) {
	199	cm_log("Config", "Not in directory section at line %d", ln);
	200	stop = 1;
	201	} else {
	202	if(r[1] == NULL) {
	203	cm_log("Config", "Missing argument at line %d", ln);
	204	stop = 1;
	205	} else {
	206	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
	207	e->name = cm_strdup(r[1]);
	208	e->dir = cm_strdup(dir);
	209	e->type = TW_DIR_DENY;
	210	}
	211	}
[6]	212	} else if(cm_strcaseequ(r[0], "BeginVirtualHost")) {
	213	if(vhost != NULL) {
[12]	214	cm_log("Config", "Already in virtual host section at line %d", ln);
[6]	215	stop = 1;
	216	} else {
	217	if(r[1] == NULL) {
[12]	218	cm_log("Config", "Missing virtual host at line %d", ln);
[6]	219	stop = 1;
	220	} else {
	221	vhost = cm_strdup(r[1]);
[12]	222	current = &config.vhosts[config.vhost_count++];
[21]	223	current->dir_count = 0;
	224	current->mime_count = 0;
[22]	225	current->icon_count = 0;
[24]	226	current->index_count = 0;
[33]	227	current->readme_count = 0;
[123]	228	current->hideport = -1;
[12]	229	int i;
	230	current->name = cm_strdup(vhost);
[13]	231	current->port = -1;
[12]	232	for(i = 0; vhost[i] != 0; i++) {
	233	if(vhost[i] == ':') {
	234	current->name[i] = 0;
	235	current->port = atoi(current->name + i + 1);
	236	break;
	237	}
	238	}
[6]	239	}
	240	}
	241	} else if(cm_strcaseequ(r[0], "EndVirtualHost")) {
	242	if(vhost == NULL) {
[12]	243	cm_log("Config", "Not in virtual host section at line %d", ln);
[6]	244	stop = 1;
	245	} else {
	246	free(vhost);
	247	vhost = NULL;
[12]	248	current = &config.root;
[6]	249	}
[174]	250	} else if(cm_strcaseequ(r[0], "Listen")
	251	#ifndef NO_SSL
	252	\|\| cm_strcaseequ(r[0], "ListenSSL")
	253	#endif
	254	) {
[7]	255	for(i = 1; r[i] != NULL; i++) {
	256	uint64_t port = atoi(r[i]);
	257	cm_log("Config", "Going to listen at port %d%s", (int)port, cm_strcaseequ(r[0], "ListenSSL") ? " with SSL" : "");
	258	if(cm_strcaseequ(r[0], "ListenSSL")) port \|= (1ULL << 32);
	259	int j;
	260	for(j = 0; config.ports[j] != -1; j++)
	261	;
	262	config.ports[j] = port;
	263	}
[123]	264	} else if(cm_strcaseequ(r[0], "HidePort")) {
	265	current->hideport = 1;
	266	} else if(cm_strcaseequ(r[0], "ShowPort")) {
	267	current->hideport = 0;
[156]	268	#ifndef NO_SSL
[12]	269	} else if(cm_strcaseequ(r[0], "SSLKey")) {
	270	if(r[1] == NULL) {
	271	cm_log("Config", "Missing path at line %d", ln);
	272	stop = 1;
	273	} else {
	274	if(current->sslkey != NULL) free(current->sslkey);
	275	current->sslkey = cm_strdup(r[1]);
	276	}
	277	} else if(cm_strcaseequ(r[0], "SSLCertificate")) {
	278	if(r[1] == NULL) {
	279	cm_log("Config", "Missing path at line %d", ln);
	280	stop = 1;
	281	} else {
	282	if(current->sslcert != NULL) free(current->sslcert);
	283	current->sslcert = cm_strdup(r[1]);
	284	}
[156]	285	#endif
[161]	286	#ifdef HAS_CHROOT
	287	} else if(cm_strcaseequ(r[0], "ChrootDirectory")) {
	288	if(r[1] == NULL) {
	289	cm_log("Config", "Missing path at line %d", ln);
	290	stop = 1;
	291	} else {
	292	if(current->chroot_path != NULL) free(current->chroot_path);
	293	current->chroot_path = cm_strdup(r[1]);
	294	}
	295	#endif
[156]	296	} else if(cm_strcaseequ(r[0], "ForceLog")) {
	297	if(r[1] == NULL) {
	298	cm_log("Config", "Missing log at line %d", ln);
	299	stop = 1;
	300	} else {
	301	cm_force_log(r[1]);
	302	}
	303	} else if(cm_strcaseequ(r[0], "EndIf")) {
	304	if(ifbr == 0) {
	305	cm_log("Config", "Missing BeginIf at line %d", ln);
	306	stop = 1;
	307	}
	308	ifbr--;
	309	} else if(cm_strcaseequ(r[0], "BeginIf") \|\| cm_strcaseequ(r[0], "BeginIfNot")) {
	310	if(r[1] == NULL) {
	311	cm_log("Config", "Missing condition type at line %d", ln);
	312	} else {
	313	ifbr++;
	314	bool ign = false;
	315	if(cm_strcaseequ(r[1], "False")) {
	316	ign = true;
	317	} else if(cm_strcaseequ(r[1], "True")) {
	318	} else if(cm_strcaseequ(r[1], "Defined")) {
	319	if(r[2] == NULL) {
	320	cm_log("Config", "Missing name at line %d", ln);
	321	stop = 1;
	322	} else {
	323	int i;
	324	bool fndit = false;
	325	for(i = 0; config.defined[i] != NULL; i++) {
	326	if(strcmp(config.defined[i], r[2]) == 0) {
	327	fndit = true;
	328	break;
	329	}
	330	}
	331	if(!fndit) {
	332	ign = true;
	333	}
	334	}
	335	} else {
	336	cm_log("Config", "Unknown condition type at line %d", ln);
	337	stop = 1;
	338	}
	339	if(cm_strcaseequ(r[0], "BeginIfNot")) ign = !ign;
	340	if(ign) {
	341	ignore = ifbr - 1;
	342	}
	343	}
[61]	344	} else if(cm_strcaseequ(r[0], "ServerRoot")) {
	345	if(r[1] == NULL) {
	346	cm_log("Config", "Missing path at line %d", ln);
	347	stop = 1;
	348	} else {
	349	chdir(r[1]);
[127]	350	free(config.server_root);
	351	config.server_root = cm_strdup(r[1]);
[61]	352	}
[128]	353	} else if(cm_strcaseequ(r[0], "ServerAdmin")) {
	354	if(r[1] == NULL) {
	355	cm_log("Config", "Missing email at line %d", ln);
	356	stop = 1;
	357	} else {
	358	free(config.server_admin);
	359	config.server_admin = cm_strdup(r[1]);
	360	}
[19]	361	} else if(cm_strcaseequ(r[0], "DocumentRoot")) {
	362	if(r[1] == NULL) {
	363	cm_log("Config", "Missing path at line %d", ln);
	364	stop = 1;
	365	} else {
	366	if(current->root != NULL) free(current->root);
[21]	367	current->root = cm_strdup(strcmp(r[1], "/") == 0 ? "" : r[1]);
[19]	368	}
[21]	369	} else if(cm_strcaseequ(r[0], "MIMEType")) {
	370	if(r[1] == NULL) {
	371	cm_log("Config", "Missing extension at line %d", ln);
	372	stop = 1;
[22]	373	} else if(r[2] == NULL) {
[21]	374	cm_log("Config", "Missing MIME at line %d", ln);
	375	stop = 1;
	376	} else {
	377	struct tw_mime_entry* e = &current->mimes[current->mime_count++];
	378	e->ext = cm_strdup(r[1]);
	379	e->mime = cm_strdup(r[2]);
	380	}
[22]	381	} else if(cm_strcaseequ(r[0], "Icon")) {
	382	if(r[1] == NULL) {
	383	cm_log("Config", "Missing MIME at line %d", ln);
	384	stop = 1;
	385	} else if(r[2] == NULL) {
	386	cm_log("Config", "Missing path at line %d", ln);
	387	stop = 1;
	388	} else {
	389	struct tw_icon_entry* e = &current->icons[current->icon_count++];
	390	e->mime = cm_strdup(r[1]);
	391	e->icon = cm_strdup(r[2]);
	392	}
[17]	393	} else if(cm_strcaseequ(r[0], "LoadModule")) {
	394	for(i = 1; r[i] != NULL; i++) {
	395	void* mod = tw_module_load(r[i]);
	396	if(mod != NULL) {
[18]	397	config.modules[config.module_count++] = mod;
[17]	398	if(tw_module_init(mod) != 0) {
	399	stop = 1;
	400	break;
	401	}
	402	} else {
[127]	403	cm_log("Config", "Could not load the module at line %d", ln);
[17]	404	stop = 1;
	405	break;
	406	}
	407	}
[24]	408	} else if(cm_strcaseequ(r[0], "DirectoryIndex")) {
	409	for(i = 1; r[i] != NULL; i++) {
	410	current->indexes[current->index_count++] = cm_strdup(r[i]);
	411	}
[176]	412	} else if(cm_strcaseequ(r[0], "ReadmeFile")) {
[33]	413	for(i = 1; r[i] != NULL; i++) {
	414	current->readmes[current->readme_count++] = cm_strdup(r[i]);
	415	}
[6]	416	} else {
[39]	417	stop = 1;
[6]	418	if(r[0] != NULL) {
[39]	419	int argc;
	420	for(argc = 0; r[argc] != NULL; argc++)
	421	;
	422	stop = 0;
	423	int i;
	424	bool called = false;
	425	struct tw_tool tools;
	426	tw_init_tools(&tools);
	427	for(i = 0; i < config.module_count; i++) {
	428	tw_mod_config_t mod_config = (tw_mod_config_t)tw_module_symbol(config.modules[i], "mod_config");
	429	int resp;
	430	if(mod_config != NULL && (resp = mod_config(&tools, r, argc)) == TW_CONFIG_PARSED) {
	431	called = true;
	432	break;
	433	}
	434	if(resp == TW_CONFIG_ERROR) {
	435	stop = 1;
	436	called = true;
	437	break;
	438	}
	439	}
	440	if(!called) {
	441	cm_log("Config", "Unknown directive `%s' at line %d", r[0], ln);
	442	stop = 1;
	443	}
[6]	444	}
[5]	445	}
	446	for(i = 0; r[i] != NULL; i++) free(r[i]);
	447	free(r);
[4]	448	}
	449	free(l);
	450	free(line);
	451	line = malloc(1);
	452	line[0] = 0;
	453	if(c <= 0) break;
[6]	454	} else if(cbuf[0] != '\r') {
[4]	455	char* tmp = line;
	456	line = cm_strcat(tmp, cbuf);
	457	free(tmp);
	458	}
	459	}
	460	free(line);
	461	fclose(f);
[6]	462	return stop;
	463	} else {
[5]	464	cm_log("Config", "Could not open the file");
[4]	465	return 1;
	466	}
	467	}

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source: Main/trunk/Server/config.c@ 176

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