config.c@ 156

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Last change on this file since 156 was 156, checked in by Nishi, on Sep 25, 2024 at 9:28:10 PM
release 1.07
Property svn:keywords set to `Id`
File size: 12.6 KB

Rev	Line
[4]	1	/* $Id: config.c 156 2024-09-25 12:28:10Z 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);
[7]	105	}
[6]	106
	107	int tw_config_read(const char* path) {
[4]	108	cm_log("Config", "Reading %s", path);
	109	char cbuf[2];
	110	cbuf[1] = 0;
[6]	111	int ln = 0;
[156]	112	int ifbr = 0;
	113	int ignore = -1;
[4]	114	FILE* f = fopen(path, "r");
[6]	115	if(f != NULL) {
[4]	116	char* line = malloc(1);
	117	line[0] = 0;
[6]	118	int stop = 0;
[12]	119	struct tw_config_entry* current = &config.root;
[6]	120	char* vhost = NULL;
[21]	121	char* dir = NULL;
[6]	122	while(stop == 0) {
[4]	123	int c = fread(cbuf, 1, 1, f);
[6]	124	if(cbuf[0] == '\n' \|\| c <= 0) {
	125	ln++;
[4]	126	char* l = cm_trim(line);
[6]	127	if(strlen(l) > 0 && l[0] != '#') {
[5]	128	char** r = cm_split(l, " \t");
	129	int i;
[156]	130	if(ignore != -1 && ifbr >= ignore) {
	131	if(cm_strcaseequ(r[0], "EndIf")) ifbr--;
	132	if(ifbr == 0) {
	133	ignore = -1;
	134	}
	135	} else if(cm_strcaseequ(r[0], "Include") \|\| cm_strcaseequ(r[0], "IncludeOptional")) {
[6]	136	for(i = 1; r[i] != NULL; i++) {
	137	if(tw_config_read(r[i]) != 0 && cm_strcaseequ(r[0], "Include")) {
	138	stop = 1;
	139	break;
[5]	140	}
	141	}
[156]	142	} else if(cm_strcaseequ(r[0], "Define")) {
	143	if(r[1] == NULL) {
	144	cm_log("Config", "Missing name at line %d", ln);
	145	stop = 1;
	146	} else {
	147	tw_add_define(r[1]);
	148	}
	149	} else if(cm_strcaseequ(r[0], "Undefine")) {
	150	if(r[1] == NULL) {
	151	cm_log("Config", "Missing name at line %d", ln);
	152	stop = 1;
	153	} else {
	154	tw_delete_define(r[1]);
	155	}
[21]	156	} else if(cm_strcaseequ(r[0], "BeginDirectory")) {
	157	if(dir != NULL) {
	158	cm_log("Config", "Already in directory section at line %d", ln);
	159	stop = 1;
	160	} else {
	161	if(r[1] == NULL) {
	162	cm_log("Config", "Missing directory at line %d", ln);
	163	stop = 1;
	164	} else {
	165	dir = cm_strcat(r[1], r[1][strlen(r[1]) - 1] == '/' ? "" : "/");
	166	}
	167	}
	168	} else if(cm_strcaseequ(r[0], "EndDirectory")) {
	169	if(dir == NULL) {
	170	cm_log("Config", "Not in directory section at line %d", ln);
	171	stop = 1;
	172	} else {
	173	free(dir);
	174	dir = NULL;
	175	}
	176	} else if(cm_strcaseequ(r[0], "Allow")) {
	177	if(dir == NULL) {
	178	cm_log("Config", "Not in directory section at line %d", ln);
	179	stop = 1;
	180	} else {
	181	if(r[1] == NULL) {
	182	cm_log("Config", "Missing argument at line %d", ln);
	183	stop = 1;
	184	} else {
	185	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
	186	e->name = cm_strdup(r[1]);
	187	e->dir = cm_strdup(dir);
	188	e->type = TW_DIR_ALLOW;
	189	}
	190	}
	191	} else if(cm_strcaseequ(r[0], "Deny")) {
	192	if(dir == NULL) {
	193	cm_log("Config", "Not in directory section at line %d", ln);
	194	stop = 1;
	195	} else {
	196	if(r[1] == NULL) {
	197	cm_log("Config", "Missing argument at line %d", ln);
	198	stop = 1;
	199	} else {
	200	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
	201	e->name = cm_strdup(r[1]);
	202	e->dir = cm_strdup(dir);
	203	e->type = TW_DIR_DENY;
	204	}
	205	}
[6]	206	} else if(cm_strcaseequ(r[0], "BeginVirtualHost")) {
	207	if(vhost != NULL) {
[12]	208	cm_log("Config", "Already in virtual host section at line %d", ln);
[6]	209	stop = 1;
	210	} else {
	211	if(r[1] == NULL) {
[12]	212	cm_log("Config", "Missing virtual host at line %d", ln);
[6]	213	stop = 1;
	214	} else {
	215	vhost = cm_strdup(r[1]);
[12]	216	current = &config.vhosts[config.vhost_count++];
[21]	217	current->dir_count = 0;
	218	current->mime_count = 0;
[22]	219	current->icon_count = 0;
[24]	220	current->index_count = 0;
[33]	221	current->readme_count = 0;
[123]	222	current->hideport = -1;
[12]	223	int i;
	224	current->name = cm_strdup(vhost);
[13]	225	current->port = -1;
[12]	226	for(i = 0; vhost[i] != 0; i++) {
	227	if(vhost[i] == ':') {
	228	current->name[i] = 0;
	229	current->port = atoi(current->name + i + 1);
	230	break;
	231	}
	232	}
[6]	233	}
	234	}
	235	} else if(cm_strcaseequ(r[0], "EndVirtualHost")) {
	236	if(vhost == NULL) {
[12]	237	cm_log("Config", "Not in virtual host section at line %d", ln);
[6]	238	stop = 1;
	239	} else {
	240	free(vhost);
	241	vhost = NULL;
[12]	242	current = &config.root;
[6]	243	}
[7]	244	} else if(cm_strcaseequ(r[0], "Listen") \|\| cm_strcaseequ(r[0], "ListenSSL")) {
	245	for(i = 1; r[i] != NULL; i++) {
	246	uint64_t port = atoi(r[i]);
	247	cm_log("Config", "Going to listen at port %d%s", (int)port, cm_strcaseequ(r[0], "ListenSSL") ? " with SSL" : "");
	248	if(cm_strcaseequ(r[0], "ListenSSL")) port \|= (1ULL << 32);
	249	int j;
	250	for(j = 0; config.ports[j] != -1; j++)
	251	;
	252	config.ports[j] = port;
	253	}
[123]	254	} else if(cm_strcaseequ(r[0], "HidePort")) {
	255	current->hideport = 1;
	256	} else if(cm_strcaseequ(r[0], "ShowPort")) {
	257	current->hideport = 0;
[156]	258	#ifndef NO_SSL
[12]	259	} else if(cm_strcaseequ(r[0], "SSLKey")) {
	260	if(r[1] == NULL) {
	261	cm_log("Config", "Missing path at line %d", ln);
	262	stop = 1;
	263	} else {
	264	if(current->sslkey != NULL) free(current->sslkey);
	265	current->sslkey = cm_strdup(r[1]);
	266	}
	267	} else if(cm_strcaseequ(r[0], "SSLCertificate")) {
	268	if(r[1] == NULL) {
	269	cm_log("Config", "Missing path at line %d", ln);
	270	stop = 1;
	271	} else {
	272	if(current->sslcert != NULL) free(current->sslcert);
	273	current->sslcert = cm_strdup(r[1]);
	274	}
[156]	275	#endif
	276	} else if(cm_strcaseequ(r[0], "ForceLog")) {
	277	if(r[1] == NULL) {
	278	cm_log("Config", "Missing log at line %d", ln);
	279	stop = 1;
	280	} else {
	281	cm_force_log(r[1]);
	282	}
	283	} else if(cm_strcaseequ(r[0], "EndIf")) {
	284	if(ifbr == 0) {
	285	cm_log("Config", "Missing BeginIf at line %d", ln);
	286	stop = 1;
	287	}
	288	ifbr--;
	289	} else if(cm_strcaseequ(r[0], "BeginIf") \|\| cm_strcaseequ(r[0], "BeginIfNot")) {
	290	if(r[1] == NULL) {
	291	cm_log("Config", "Missing condition type at line %d", ln);
	292	} else {
	293	ifbr++;
	294	bool ign = false;
	295	if(cm_strcaseequ(r[1], "False")) {
	296	ign = true;
	297	} else if(cm_strcaseequ(r[1], "True")) {
	298	} else if(cm_strcaseequ(r[1], "Defined")) {
	299	if(r[2] == NULL) {
	300	cm_log("Config", "Missing name at line %d", ln);
	301	stop = 1;
	302	} else {
	303	int i;
	304	bool fndit = false;
	305	for(i = 0; config.defined[i] != NULL; i++) {
	306	if(strcmp(config.defined[i], r[2]) == 0) {
	307	fndit = true;
	308	break;
	309	}
	310	}
	311	if(!fndit) {
	312	ign = true;
	313	}
	314	}
	315	} else {
	316	cm_log("Config", "Unknown condition type at line %d", ln);
	317	stop = 1;
	318	}
	319	if(cm_strcaseequ(r[0], "BeginIfNot")) ign = !ign;
	320	if(ign) {
	321	ignore = ifbr - 1;
	322	}
	323	}
[61]	324	} else if(cm_strcaseequ(r[0], "ServerRoot")) {
	325	if(r[1] == NULL) {
	326	cm_log("Config", "Missing path at line %d", ln);
	327	stop = 1;
	328	} else {
	329	chdir(r[1]);
[127]	330	free(config.server_root);
	331	config.server_root = cm_strdup(r[1]);
[61]	332	}
[128]	333	} else if(cm_strcaseequ(r[0], "ServerAdmin")) {
	334	if(r[1] == NULL) {
	335	cm_log("Config", "Missing email at line %d", ln);
	336	stop = 1;
	337	} else {
	338	free(config.server_admin);
	339	config.server_admin = cm_strdup(r[1]);
	340	}
[19]	341	} else if(cm_strcaseequ(r[0], "DocumentRoot")) {
	342	if(r[1] == NULL) {
	343	cm_log("Config", "Missing path at line %d", ln);
	344	stop = 1;
	345	} else {
	346	if(current->root != NULL) free(current->root);
[21]	347	current->root = cm_strdup(strcmp(r[1], "/") == 0 ? "" : r[1]);
[19]	348	}
[17]	349	} else if(cm_strcaseequ(r[0], "ServerRoot")) {
	350	if(r[1] == NULL) {
	351	cm_log("Config", "Missing path at line %d", ln);
	352	stop = 1;
	353	} else {
	354	if(config.server_root != NULL) free(config.server_root);
	355	config.server_root = cm_strdup(r[1]);
	356	}
[21]	357	} else if(cm_strcaseequ(r[0], "MIMEType")) {
	358	if(r[1] == NULL) {
	359	cm_log("Config", "Missing extension at line %d", ln);
	360	stop = 1;
[22]	361	} else if(r[2] == NULL) {
[21]	362	cm_log("Config", "Missing MIME at line %d", ln);
	363	stop = 1;
	364	} else {
	365	struct tw_mime_entry* e = &current->mimes[current->mime_count++];
	366	e->ext = cm_strdup(r[1]);
	367	e->mime = cm_strdup(r[2]);
	368	}
[22]	369	} else if(cm_strcaseequ(r[0], "Icon")) {
	370	if(r[1] == NULL) {
	371	cm_log("Config", "Missing MIME at line %d", ln);
	372	stop = 1;
	373	} else if(r[2] == NULL) {
	374	cm_log("Config", "Missing path at line %d", ln);
	375	stop = 1;
	376	} else {
	377	struct tw_icon_entry* e = &current->icons[current->icon_count++];
	378	e->mime = cm_strdup(r[1]);
	379	e->icon = cm_strdup(r[2]);
	380	}
[17]	381	} else if(cm_strcaseequ(r[0], "LoadModule")) {
	382	for(i = 1; r[i] != NULL; i++) {
	383	void* mod = tw_module_load(r[i]);
	384	if(mod != NULL) {
[18]	385	config.modules[config.module_count++] = mod;
[17]	386	if(tw_module_init(mod) != 0) {
	387	stop = 1;
	388	break;
	389	}
	390	} else {
[127]	391	cm_log("Config", "Could not load the module at line %d", ln);
[17]	392	stop = 1;
	393	break;
	394	}
	395	}
[24]	396	} else if(cm_strcaseequ(r[0], "DirectoryIndex")) {
	397	for(i = 1; r[i] != NULL; i++) {
	398	current->indexes[current->index_count++] = cm_strdup(r[i]);
	399	}
[33]	400	} else if(cm_strcaseequ(r[0], "Readme")) {
	401	for(i = 1; r[i] != NULL; i++) {
	402	current->readmes[current->readme_count++] = cm_strdup(r[i]);
	403	}
[6]	404	} else {
[39]	405	stop = 1;
[6]	406	if(r[0] != NULL) {
[39]	407	int argc;
	408	for(argc = 0; r[argc] != NULL; argc++)
	409	;
	410	stop = 0;
	411	int i;
	412	bool called = false;
	413	struct tw_tool tools;
	414	tw_init_tools(&tools);
	415	for(i = 0; i < config.module_count; i++) {
	416	tw_mod_config_t mod_config = (tw_mod_config_t)tw_module_symbol(config.modules[i], "mod_config");
	417	int resp;
	418	if(mod_config != NULL && (resp = mod_config(&tools, r, argc)) == TW_CONFIG_PARSED) {
	419	called = true;
	420	break;
	421	}
	422	if(resp == TW_CONFIG_ERROR) {
	423	stop = 1;
	424	called = true;
	425	break;
	426	}
	427	}
	428	if(!called) {
	429	cm_log("Config", "Unknown directive `%s' at line %d", r[0], ln);
	430	stop = 1;
	431	}
[6]	432	}
[5]	433	}
	434	for(i = 0; r[i] != NULL; i++) free(r[i]);
	435	free(r);
[4]	436	}
	437	free(l);
	438	free(line);
	439	line = malloc(1);
	440	line[0] = 0;
	441	if(c <= 0) break;
[6]	442	} else if(cbuf[0] != '\r') {
[4]	443	char* tmp = line;
	444	line = cm_strcat(tmp, cbuf);
	445	free(tmp);
	446	}
	447	}
	448	free(line);
	449	fclose(f);
[6]	450	return stop;
	451	} else {
[5]	452	cm_log("Config", "Could not open the file");
[4]	453	return 1;
	454	}
	455	}

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source: Main/trunk/Server/config.c@ 156

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