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/* $Id: config.c 359 2024-10-16 14:34:51Z nishi $ */
#define SOURCE
#include "../config.h"
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#if !defined(_MSC_VER) && !defined(__BORLANDC__)
#include <unistd.h>
#endif
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || (defined(__WATCOMC__) && !defined(__OS2__) && !defined(__NETWARE__) && !defined(__DOS__))
#ifdef USE_WINSOCK1
#include <winsock.h>
#else
#include <winsock2.h>
#endif
#endif
#include <cm_string.h>
#include <cm_log.h>
#ifdef __OS2__
#include <types.h>
#include <netinet/in.h>
#include <tcpustd.h>
#endif
#ifdef __NETWARE__
#include <sys/socket.h>
#endif
#include "tw_config.h"
#include "tw_module.h"
struct tw_config config;
struct tw_config_entry* tw_vhost_match(const char* name, int port) {
int i;
for(i = 0; i < config.vhost_count; i++) {
if(strcmp(config.vhosts[i].name, name) == 0 && (config.vhosts[i].port == -1 ? 1 : config.vhosts[i].port == port)) {
return &config.vhosts[i];
}
}
return &config.root;
}
bool tw_permission_allowed(const char* path, SOCKADDR addr, struct tw_http_request req, struct tw_config_entry* vhost) {
int i;
bool found = false;
bool pathstart = false;
bool perm = false;
again:
for(i = 0; i < vhost->dir_count; i++) {
char* noslash;
struct tw_dir_entry* e = &vhost->dirs[i];
pathstart = false;
if(strlen(path) >= strlen(e->dir)) {
int j;
pathstart = true;
for(j = 0; path[j] != 0 && e->dir[j] != 0; j++) {
if(path[j] != e->dir[j]) {
pathstart = false;
break;
}
}
}
noslash = cm_strdup(e->dir);
noslash[strlen(noslash) - 1] = 0;
if(strcmp(e->dir, path) == 0 || strcmp(noslash, path) == 0 || pathstart) {
found = true;
if(strcmp(e->name, "all") == 0) {
perm = e->type == TW_DIR_ALLOW;
}
}
free(noslash);
}
if(!found && vhost != &config.root) {
vhost = &config.root;
goto again;
}
return perm;
}
void tw_config_init(void) {
int i;
for(i = 0; i < MAX_PORTS + 1; i++) {
config.ports[i] = -1;
}
for(i = 0; i < MAX_VHOSTS; i++) {
#ifndef NO_SSL
config.vhosts[i].sslkey = NULL;
config.vhosts[i].sslcert = NULL;
#endif
config.vhosts[i].root = NULL;
#ifdef HAS_CHROOT
config.vhosts[i].chroot_path = NULL;
#endif
}
#ifndef NO_SSL
config.root.sslkey = NULL;
config.root.sslcert = NULL;
#endif
config.root.root = NULL;
config.root.mime_count = 0;
config.root.dir_count = 0;
config.root.icon_count = 0;
config.root.index_count = 0;
config.root.readme_count = 0;
config.root.hideport = 0;
#ifdef HAS_CHROOT
config.root.chroot_path = NULL;
#endif
config.vhost_count = 0;
config.module_count = 0;
config.extension = NULL;
config.server_root = cm_strdup(PREFIX);
config.server_admin = cm_strdup(SERVER_ADMIN);
config.defined[0] = NULL;
#if defined(_PSP)
strcpy(config.hostname, "psp");
#elif defined(__PPU__)
strcpy(config.hostname, "ps3");
#elif defined(__ps2sdk__)
strcpy(config.hostname, "ps2");
#elif defined(__NETWARE__)
strcpy(config.hostname, "netware");
#else
gethostname(config.hostname, 1024);
#endif
#ifdef HAS_CHROOT
tw_add_define("HAS_CHROOT");
#endif
#ifndef NO_SSL
tw_add_define("HAS_SSL");
#endif
}
int tw_config_read(const char* path) {
char cbuf[2];
int ln = 0;
int ifbr = 0;
int ignore = -1;
int portcount;
FILE* f;
cm_log("Config", "Reading %s", path);
f = fopen(path, "r");
cbuf[1] = 0;
if(f != NULL) {
char* line = malloc(1);
int stop = 0;
struct tw_config_entry* current = &config.root;
char* vhost = NULL;
char* dir = NULL;
line[0] = 0;
while(stop == 0) {
int c = fread(cbuf, 1, 1, f);
if(cbuf[0] == '\n' || c <= 0) {
char* l = cm_trim(line);
ln++;
if(strlen(l) > 0 && l[0] != '#') {
char** r = cm_split(l, " \t");
int i;
if(ignore != -1 && ifbr >= ignore) {
if(cm_strcaseequ(r[0], "EndIf")) ifbr--;
if(ifbr == 0) {
ignore = -1;
}
} else if(cm_strcaseequ(r[0], "Include") || cm_strcaseequ(r[0], "IncludeOptional")) {
for(i = 1; r[i] != NULL; i++) {
if(tw_config_read(r[i]) != 0 && cm_strcaseequ(r[0], "Include")) {
stop = 1;
break;
}
}
} else if(cm_strcaseequ(r[0], "Define")) {
if(r[1] == NULL) {
cm_log("Config", "Missing name at line %d", ln);
stop = 1;
} else {
tw_add_define(r[1]);
}
} else if(cm_strcaseequ(r[0], "Undefine")) {
if(r[1] == NULL) {
cm_log("Config", "Missing name at line %d", ln);
stop = 1;
} else {
tw_delete_define(r[1]);
}
} else if(cm_strcaseequ(r[0], "BeginDirectory")) {
if(dir != NULL) {
cm_log("Config", "Already in directory section at line %d", ln);
stop = 1;
} else {
if(r[1] == NULL) {
cm_log("Config", "Missing directory at line %d", ln);
stop = 1;
} else {
dir = cm_strcat(r[1], r[1][strlen(r[1]) - 1] == '/' ? "" : "/");
}
}
} else if(cm_strcaseequ(r[0], "EndDirectory")) {
if(dir == NULL) {
cm_log("Config", "Not in directory section at line %d", ln);
stop = 1;
} else {
free(dir);
dir = NULL;
}
} else if(cm_strcaseequ(r[0], "Allow")) {
if(dir == NULL) {
cm_log("Config", "Not in directory section at line %d", ln);
stop = 1;
} else {
if(r[1] == NULL) {
cm_log("Config", "Missing argument at line %d", ln);
stop = 1;
} else {
struct tw_dir_entry* e = ¤t->dirs[current->dir_count++];
e->name = cm_strdup(r[1]);
e->dir = cm_strdup(dir);
e->type = TW_DIR_ALLOW;
}
}
} else if(cm_strcaseequ(r[0], "Deny")) {
if(dir == NULL) {
cm_log("Config", "Not in directory section at line %d", ln);
stop = 1;
} else {
if(r[1] == NULL) {
cm_log("Config", "Missing argument at line %d", ln);
stop = 1;
} else {
struct tw_dir_entry* e = ¤t->dirs[current->dir_count++];
e->name = cm_strdup(r[1]);
e->dir = cm_strdup(dir);
e->type = TW_DIR_DENY;
}
}
} else if(cm_strcaseequ(r[0], "BeginVirtualHost")) {
if(vhost != NULL) {
cm_log("Config", "Already in virtual host section at line %d", ln);
stop = 1;
} else {
if(r[1] == NULL) {
cm_log("Config", "Missing virtual host at line %d", ln);
stop = 1;
} else {
int i;
vhost = cm_strdup(r[1]);
current = &config.vhosts[config.vhost_count++];
current->dir_count = 0;
current->mime_count = 0;
current->icon_count = 0;
current->index_count = 0;
current->readme_count = 0;
current->hideport = -1;
current->name = cm_strdup(vhost);
current->port = -1;
for(i = 0; vhost[i] != 0; i++) {
if(vhost[i] == ':') {
current->name[i] = 0;
current->port = atoi(current->name + i + 1);
break;
}
}
}
}
} else if(cm_strcaseequ(r[0], "EndVirtualHost")) {
if(vhost == NULL) {
cm_log("Config", "Not in virtual host section at line %d", ln);
stop = 1;
} else {
free(vhost);
vhost = NULL;
current = &config.root;
}
} else if(cm_strcaseequ(r[0], "Listen")
#ifndef NO_SSL
|| cm_strcaseequ(r[0], "ListenSSL")
#endif
) {
for(i = 1; r[i] != NULL; i++) {
#if defined(_MSC_VER) || defined(__BORLANDC__)
uint32_t port = atoi(r[i]);
#else
uint64_t port = atoi(r[i]);
#endif
int j;
cm_log("Config", "Going to listen at port %d%s", (int)port, cm_strcaseequ(r[0], "ListenSSL") ? " with SSL" : "");
#if defined(_MSC_VER) || defined(__BORLANDC__)
if(cm_strcaseequ(r[0], "ListenSSL")) port |= (1UL << 31);
#else
if(cm_strcaseequ(r[0], "ListenSSL")) port |= (1ULL << 31);
#endif
for(j = 0; config.ports[j] != -1; j++)
;
config.ports[j] = port;
}
} else if(cm_strcaseequ(r[0], "HidePort")) {
current->hideport = 1;
} else if(cm_strcaseequ(r[0], "ShowPort")) {
current->hideport = 0;
#ifndef NO_SSL
} else if(cm_strcaseequ(r[0], "SSLKey")) {
if(r[1] == NULL) {
cm_log("Config", "Missing path at line %d", ln);
stop = 1;
} else {
if(current->sslkey != NULL) free(current->sslkey);
current->sslkey = cm_strdup(r[1]);
}
} else if(cm_strcaseequ(r[0], "SSLCertificate")) {
if(r[1] == NULL) {
cm_log("Config", "Missing path at line %d", ln);
stop = 1;
} else {
if(current->sslcert != NULL) free(current->sslcert);
current->sslcert = cm_strdup(r[1]);
}
#endif
#ifdef HAS_CHROOT
} else if(cm_strcaseequ(r[0], "ChrootDirectory")) {
if(r[1] == NULL) {
cm_log("Config", "Missing path at line %d", ln);
stop = 1;
} else {
if(current->chroot_path != NULL) free(current->chroot_path);
current->chroot_path = cm_strdup(r[1]);
}
#endif
} else if(cm_strcaseequ(r[0], "ForceLog")) {
if(r[1] == NULL) {
cm_log("Config", "Missing log at line %d", ln);
stop = 1;
} else {
cm_force_log(r[1]);
}
} else if(cm_strcaseequ(r[0], "EndIf")) {
if(ifbr == 0) {
cm_log("Config", "Missing BeginIf at line %d", ln);
stop = 1;
}
ifbr--;
} else if(cm_strcaseequ(r[0], "BeginIf") || cm_strcaseequ(r[0], "BeginIfNot")) {
if(r[1] == NULL) {
cm_log("Config", "Missing condition type at line %d", ln);
} else {
bool ign = false;
ifbr++;
if(cm_strcaseequ(r[1], "False")) {
ign = true;
} else if(cm_strcaseequ(r[1], "True")) {
} else if(cm_strcaseequ(r[1], "Defined")) {
if(r[2] == NULL) {
cm_log("Config", "Missing name at line %d", ln);
stop = 1;
} else {
int i;
bool fndit = false;
for(i = 0; config.defined[i] != NULL; i++) {
if(strcmp(config.defined[i], r[2]) == 0) {
fndit = true;
break;
}
}
if(!fndit) {
ign = true;
}
}
} else {
cm_log("Config", "Unknown condition type at line %d", ln);
stop = 1;
}
if(cm_strcaseequ(r[0], "BeginIfNot")) ign = !ign;
if(ign) {
ignore = ifbr - 1;
}
}
} else if(cm_strcaseequ(r[0], "ServerRoot")) {
if(r[1] == NULL) {
cm_log("Config", "Missing path at line %d", ln);
stop = 1;
} else {
chdir(r[1]);
free(config.server_root);
config.server_root = cm_strdup(r[1]);
}
} else if(cm_strcaseequ(r[0], "ServerAdmin")) {
if(r[1] == NULL) {
cm_log("Config", "Missing email at line %d", ln);
stop = 1;
} else {
free(config.server_admin);
config.server_admin = cm_strdup(r[1]);
}
} else if(cm_strcaseequ(r[0], "DocumentRoot")) {
if(r[1] == NULL) {
cm_log("Config", "Missing path at line %d", ln);
stop = 1;
} else {
if(current->root != NULL) free(current->root);
current->root = cm_strdup(strcmp(r[1], "/") == 0 ? "" : r[1]);
}
} else if(cm_strcaseequ(r[0], "MIMEType")) {
if(r[1] == NULL) {
cm_log("Config", "Missing extension at line %d", ln);
stop = 1;
} else if(r[2] == NULL) {
cm_log("Config", "Missing MIME at line %d", ln);
stop = 1;
} else {
struct tw_mime_entry* e = ¤t->mimes[current->mime_count++];
e->ext = cm_strdup(r[1]);
e->mime = cm_strdup(r[2]);
}
} else if(cm_strcaseequ(r[0], "MIMEFile")) {
if(r[1] == NULL) {
cm_log("Config", "Missing path at line %d", ln);
stop = 1;
} else {
FILE* mimefile = fopen(r[1], "r");
if(mimefile == NULL) {
cm_log("Config", "Could not load the file at line %d", ln);
stop = 1;
} else {
char* line = malloc(1);
int i;
struct stat st;
char* buf;
int incr = 0;
stat(r[1], &st);
buf = malloc(st.st_size + 1);
fread(buf, st.st_size, 1, mimefile);
for(i = 0;; i++) {
if(buf[i] == '\n' || buf[i] == 0) {
char oldc = buf[i];
char* line;
buf[i] = 0;
line = buf + incr;
if(strlen(line) > 0 && line[0] != '#') {
int j;
for(j = 0; line[j] != 0; j++) {
if(line[j] == ' ' || line[j] == '\t') {
line[j] = 0;
j++;
for(; line[j] != 0; j++) {
if(line[j] != ' ' && line[j] != '\t') {
char* name = line;
char* mimes = line + j;
int k = 0;
int incr2 = 0;
for(k = 0;; k++) {
if(mimes[k] == ' ' || mimes[k] == 0) {
char oldc2 = mimes[k];
struct tw_mime_entry* e;
mimes[k] = 0;
e = ¤t->mimes[current->mime_count++];
e->ext = cm_strcat(".", mimes + incr2);
e->mime = cm_strdup(name);
if(current->mime_count == MAX_MIME) {
cm_log("Config", "Too many MIME types, cannot handle");
stop = 1;
break;
}
incr2 = k + 1;
if(oldc2 == 0) break;
}
}
break;
}
}
break;
}
if(stop) break;
}
}
incr = i + 1;
if(oldc == 0) break;
}
}
free(buf);
fclose(mimefile);
}
}
} else if(cm_strcaseequ(r[0], "Icon")) {
if(r[1] == NULL) {
cm_log("Config", "Missing MIME at line %d", ln);
stop = 1;
} else if(r[2] == NULL) {
cm_log("Config", "Missing path at line %d", ln);
stop = 1;
} else {
struct tw_icon_entry* e = ¤t->icons[current->icon_count++];
e->mime = cm_strdup(r[1]);
e->icon = cm_strdup(r[2]);
}
} else if(cm_strcaseequ(r[0], "LoadModule")) {
for(i = 1; r[i] != NULL; i++) {
void* mod = tw_module_load(r[i]);
if(mod != NULL) {
config.modules[config.module_count++] = mod;
if(tw_module_init(mod) != 0) {
stop = 1;
break;
}
} else {
cm_log("Config", "Could not load the module at line %d", ln);
stop = 1;
break;
}
}
} else if(cm_strcaseequ(r[0], "DirectoryIndex")) {
for(i = 1; r[i] != NULL; i++) {
current->indexes[current->index_count++] = cm_strdup(r[i]);
}
} else if(cm_strcaseequ(r[0], "ReadmeFile") || cm_strcaseequ(r[0], "Readme")) {
if(cm_strcaseequ(r[0], "Readme")) {
cm_force_log("NOTE: Readme directive is deprecated.");
}
for(i = 1; r[i] != NULL; i++) {
current->readmes[current->readme_count++] = cm_strdup(r[i]);
}
} else {
stop = 1;
if(r[0] != NULL) {
int argc;
int i;
bool called = false;
struct tw_tool tools;
for(argc = 0; r[argc] != NULL; argc++)
;
stop = 0;
tw_init_tools(&tools);
for(i = 0; i < config.module_count; i++) {
tw_mod_config_t mod_config = (tw_mod_config_t)tw_module_symbol(config.modules[i], "mod_config");
int resp;
if(mod_config != NULL && (resp = mod_config(&tools, r, argc)) == TW_CONFIG_PARSED) {
called = true;
break;
}
if(resp == TW_CONFIG_ERROR) {
stop = 1;
called = true;
break;
}
}
if(!called) {
cm_log("Config", "Unknown directive `%s' at line %d", r[0], ln);
stop = 1;
}
}
}
for(i = 0; r[i] != NULL; i++) free(r[i]);
free(r);
}
free(l);
free(line);
line = malloc(1);
line[0] = 0;
if(c <= 0) break;
} else if(cbuf[0] != '\r') {
char* tmp = line;
line = cm_strcat(tmp, cbuf);
free(tmp);
}
}
free(line);
fclose(f);
for(portcount = 0; config.ports[portcount] != -1; portcount++)
;
if(portcount == 0) {
return 1;
} else {
return stop;
}
} else {
cm_log("Config", "Could not open the file");
return 1;
}
}