config.c@ 128

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Last change on this file since 128 was 128, checked in by Nishi, on Sep 23, 2024 at 7:19:19 PM
release 1.04
Property svn:keywords set to `Id`
File size: 10.5 KB

Rev	Line
[4]	1	/* $Id: config.c 128 2024-09-23 10:19:19Z 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++) {
	75	config.vhosts[i].sslkey = NULL;
	76	config.vhosts[i].sslcert = NULL;
[19]	77	config.vhosts[i].root = NULL;
[12]	78	}
	79	config.root.sslkey = NULL;
	80	config.root.sslcert = NULL;
[19]	81	config.root.root = NULL;
[21]	82	config.root.mime_count = 0;
	83	config.root.dir_count = 0;
[22]	84	config.root.icon_count = 0;
[24]	85	config.root.index_count = 0;
[33]	86	config.root.readme_count = 0;
[123]	87	config.root.hideport = 0;
[12]	88	config.vhost_count = 0;
[18]	89	config.module_count = 0;
	90	config.extension = NULL;
[17]	91	config.server_root = cm_strdup(PREFIX);
[128]	92	config.server_admin = cm_strdup(SERVER_ADMIN);
[12]	93	gethostname(config.hostname, 1024);
[128]	94	chdir(config.server_root);
[7]	95	}
[6]	96
	97	int tw_config_read(const char* path) {
[4]	98	cm_log("Config", "Reading %s", path);
	99	char cbuf[2];
	100	cbuf[1] = 0;
[6]	101	int ln = 0;
[4]	102	FILE* f = fopen(path, "r");
[6]	103	if(f != NULL) {
[4]	104	char* line = malloc(1);
	105	line[0] = 0;
[6]	106	int stop = 0;
[12]	107	struct tw_config_entry* current = &config.root;
[6]	108	char* vhost = NULL;
[21]	109	char* dir = NULL;
[6]	110	while(stop == 0) {
[4]	111	int c = fread(cbuf, 1, 1, f);
[6]	112	if(cbuf[0] == '\n' \|\| c <= 0) {
	113	ln++;
[4]	114	char* l = cm_trim(line);
[6]	115	if(strlen(l) > 0 && l[0] != '#') {
[5]	116	char** r = cm_split(l, " \t");
	117	int i;
[6]	118	if(cm_strcaseequ(r[0], "Include") \|\| cm_strcaseequ(r[0], "IncludeOptional")) {
	119	for(i = 1; r[i] != NULL; i++) {
	120	if(tw_config_read(r[i]) != 0 && cm_strcaseequ(r[0], "Include")) {
	121	stop = 1;
	122	break;
[5]	123	}
	124	}
[21]	125	} else if(cm_strcaseequ(r[0], "BeginDirectory")) {
	126	if(dir != NULL) {
	127	cm_log("Config", "Already in directory section at line %d", ln);
	128	stop = 1;
	129	} else {
	130	if(r[1] == NULL) {
	131	cm_log("Config", "Missing directory at line %d", ln);
	132	stop = 1;
	133	} else {
	134	dir = cm_strcat(r[1], r[1][strlen(r[1]) - 1] == '/' ? "" : "/");
	135	}
	136	}
	137	} else if(cm_strcaseequ(r[0], "EndDirectory")) {
	138	if(dir == NULL) {
	139	cm_log("Config", "Not in directory section at line %d", ln);
	140	stop = 1;
	141	} else {
	142	free(dir);
	143	dir = NULL;
	144	}
	145	} else if(cm_strcaseequ(r[0], "Allow")) {
	146	if(dir == NULL) {
	147	cm_log("Config", "Not in directory section at line %d", ln);
	148	stop = 1;
	149	} else {
	150	if(r[1] == NULL) {
	151	cm_log("Config", "Missing argument at line %d", ln);
	152	stop = 1;
	153	} else {
	154	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
	155	e->name = cm_strdup(r[1]);
	156	e->dir = cm_strdup(dir);
	157	e->type = TW_DIR_ALLOW;
	158	}
	159	}
	160	} else if(cm_strcaseequ(r[0], "Deny")) {
	161	if(dir == NULL) {
	162	cm_log("Config", "Not in directory section at line %d", ln);
	163	stop = 1;
	164	} else {
	165	if(r[1] == NULL) {
	166	cm_log("Config", "Missing argument at line %d", ln);
	167	stop = 1;
	168	} else {
	169	struct tw_dir_entry* e = &current->dirs[current->dir_count++];
	170	e->name = cm_strdup(r[1]);
	171	e->dir = cm_strdup(dir);
	172	e->type = TW_DIR_DENY;
	173	}
	174	}
[6]	175	} else if(cm_strcaseequ(r[0], "BeginVirtualHost")) {
	176	if(vhost != NULL) {
[12]	177	cm_log("Config", "Already in virtual host section at line %d", ln);
[6]	178	stop = 1;
	179	} else {
	180	if(r[1] == NULL) {
[12]	181	cm_log("Config", "Missing virtual host at line %d", ln);
[6]	182	stop = 1;
	183	} else {
	184	vhost = cm_strdup(r[1]);
[12]	185	current = &config.vhosts[config.vhost_count++];
[21]	186	current->dir_count = 0;
	187	current->mime_count = 0;
[22]	188	current->icon_count = 0;
[24]	189	current->index_count = 0;
[33]	190	current->readme_count = 0;
[123]	191	current->hideport = -1;
[12]	192	int i;
	193	current->name = cm_strdup(vhost);
[13]	194	current->port = -1;
[12]	195	for(i = 0; vhost[i] != 0; i++) {
	196	if(vhost[i] == ':') {
	197	current->name[i] = 0;
	198	current->port = atoi(current->name + i + 1);
	199	break;
	200	}
	201	}
[6]	202	}
	203	}
	204	} else if(cm_strcaseequ(r[0], "EndVirtualHost")) {
	205	if(vhost == NULL) {
[12]	206	cm_log("Config", "Not in virtual host section at line %d", ln);
[6]	207	stop = 1;
	208	} else {
	209	free(vhost);
	210	vhost = NULL;
[12]	211	current = &config.root;
[6]	212	}
[7]	213	} else if(cm_strcaseequ(r[0], "Listen") \|\| cm_strcaseequ(r[0], "ListenSSL")) {
	214	for(i = 1; r[i] != NULL; i++) {
	215	uint64_t port = atoi(r[i]);
	216	cm_log("Config", "Going to listen at port %d%s", (int)port, cm_strcaseequ(r[0], "ListenSSL") ? " with SSL" : "");
	217	if(cm_strcaseequ(r[0], "ListenSSL")) port \|= (1ULL << 32);
	218	int j;
	219	for(j = 0; config.ports[j] != -1; j++)
	220	;
	221	config.ports[j] = port;
	222	}
[123]	223	} else if(cm_strcaseequ(r[0], "HidePort")) {
	224	current->hideport = 1;
	225	} else if(cm_strcaseequ(r[0], "ShowPort")) {
	226	current->hideport = 0;
[12]	227	} else if(cm_strcaseequ(r[0], "SSLKey")) {
	228	if(r[1] == NULL) {
	229	cm_log("Config", "Missing path at line %d", ln);
	230	stop = 1;
	231	} else {
	232	if(current->sslkey != NULL) free(current->sslkey);
	233	current->sslkey = cm_strdup(r[1]);
	234	}
	235	} else if(cm_strcaseequ(r[0], "SSLCertificate")) {
	236	if(r[1] == NULL) {
	237	cm_log("Config", "Missing path at line %d", ln);
	238	stop = 1;
	239	} else {
	240	if(current->sslcert != NULL) free(current->sslcert);
	241	current->sslcert = cm_strdup(r[1]);
	242	}
[61]	243	} else if(cm_strcaseequ(r[0], "ServerRoot")) {
	244	if(r[1] == NULL) {
	245	cm_log("Config", "Missing path at line %d", ln);
	246	stop = 1;
	247	} else {
	248	chdir(r[1]);
[127]	249	free(config.server_root);
	250	config.server_root = cm_strdup(r[1]);
[61]	251	}
[128]	252	} else if(cm_strcaseequ(r[0], "ServerAdmin")) {
	253	if(r[1] == NULL) {
	254	cm_log("Config", "Missing email at line %d", ln);
	255	stop = 1;
	256	} else {
	257	free(config.server_admin);
	258	config.server_admin = cm_strdup(r[1]);
	259	}
[19]	260	} else if(cm_strcaseequ(r[0], "DocumentRoot")) {
	261	if(r[1] == NULL) {
	262	cm_log("Config", "Missing path at line %d", ln);
	263	stop = 1;
	264	} else {
	265	if(current->root != NULL) free(current->root);
[21]	266	current->root = cm_strdup(strcmp(r[1], "/") == 0 ? "" : r[1]);
[19]	267	}
[17]	268	} else if(cm_strcaseequ(r[0], "ServerRoot")) {
	269	if(r[1] == NULL) {
	270	cm_log("Config", "Missing path at line %d", ln);
	271	stop = 1;
	272	} else {
	273	if(config.server_root != NULL) free(config.server_root);
	274	config.server_root = cm_strdup(r[1]);
	275	}
[21]	276	} else if(cm_strcaseequ(r[0], "MIMEType")) {
	277	if(r[1] == NULL) {
	278	cm_log("Config", "Missing extension at line %d", ln);
	279	stop = 1;
[22]	280	} else if(r[2] == NULL) {
[21]	281	cm_log("Config", "Missing MIME at line %d", ln);
	282	stop = 1;
	283	} else {
	284	struct tw_mime_entry* e = &current->mimes[current->mime_count++];
	285	e->ext = cm_strdup(r[1]);
	286	e->mime = cm_strdup(r[2]);
	287	}
[22]	288	} else if(cm_strcaseequ(r[0], "Icon")) {
	289	if(r[1] == NULL) {
	290	cm_log("Config", "Missing MIME at line %d", ln);
	291	stop = 1;
	292	} else if(r[2] == NULL) {
	293	cm_log("Config", "Missing path at line %d", ln);
	294	stop = 1;
	295	} else {
	296	struct tw_icon_entry* e = &current->icons[current->icon_count++];
	297	e->mime = cm_strdup(r[1]);
	298	e->icon = cm_strdup(r[2]);
	299	}
[17]	300	} else if(cm_strcaseequ(r[0], "LoadModule")) {
	301	for(i = 1; r[i] != NULL; i++) {
	302	void* mod = tw_module_load(r[i]);
	303	if(mod != NULL) {
[18]	304	config.modules[config.module_count++] = mod;
[17]	305	if(tw_module_init(mod) != 0) {
	306	stop = 1;
	307	break;
	308	}
	309	} else {
[127]	310	cm_log("Config", "Could not load the module at line %d", ln);
[17]	311	stop = 1;
	312	break;
	313	}
	314	}
[24]	315	} else if(cm_strcaseequ(r[0], "DirectoryIndex")) {
	316	for(i = 1; r[i] != NULL; i++) {
	317	current->indexes[current->index_count++] = cm_strdup(r[i]);
	318	}
[33]	319	} else if(cm_strcaseequ(r[0], "Readme")) {
	320	for(i = 1; r[i] != NULL; i++) {
	321	current->readmes[current->readme_count++] = cm_strdup(r[i]);
	322	}
[6]	323	} else {
[39]	324	stop = 1;
[6]	325	if(r[0] != NULL) {
[39]	326	int argc;
	327	for(argc = 0; r[argc] != NULL; argc++)
	328	;
	329	stop = 0;
	330	int i;
	331	bool called = false;
	332	struct tw_tool tools;
	333	tw_init_tools(&tools);
	334	for(i = 0; i < config.module_count; i++) {
	335	tw_mod_config_t mod_config = (tw_mod_config_t)tw_module_symbol(config.modules[i], "mod_config");
	336	int resp;
	337	if(mod_config != NULL && (resp = mod_config(&tools, r, argc)) == TW_CONFIG_PARSED) {
	338	called = true;
	339	break;
	340	}
	341	if(resp == TW_CONFIG_ERROR) {
	342	stop = 1;
	343	called = true;
	344	break;
	345	}
	346	}
	347	if(!called) {
	348	cm_log("Config", "Unknown directive `%s' at line %d", r[0], ln);
	349	stop = 1;
	350	}
[6]	351	}
[5]	352	}
	353	for(i = 0; r[i] != NULL; i++) free(r[i]);
	354	free(r);
[4]	355	}
	356	free(l);
	357	free(line);
	358	line = malloc(1);
	359	line[0] = 0;
	360	if(c <= 0) break;
[6]	361	} else if(cbuf[0] != '\r') {
[4]	362	char* tmp = line;
	363	line = cm_strcat(tmp, cbuf);
	364	free(tmp);
	365	}
	366	}
	367	free(line);
	368	fclose(f);
[6]	369	return stop;
	370	} else {
[5]	371	cm_log("Config", "Could not open the file");
[4]	372	return 1;
	373	}
	374	}

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source: Main/trunk/Server/config.c@ 128

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