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/* $Id: server.c 389 2024-10-20 20:23:36Z nishi $ */
#define SOURCE
#include "../config.h"
#include "tw_server.h"
#ifndef NO_SSL
#include "tw_ssl.h"
#endif
#include "tw_config.h"
#include "tw_http.h"
#include "tw_module.h"
#include "tw_version.h"
#if !defined(_MSC_VER) && !defined(__BORLANDC__)
#include <unistd.h>
#endif
#include <ctype.h>
#include <string.h>
#include <stdbool.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <time.h>
#include <cm_string.h>
#include <cm_log.h>
#include <cm_dir.h>
#ifdef __OS2__
#include <types.h>
#include <sys/time.h>
#define INCL_DOSPROCESS
#include <os2.h>
#include <process.h>
#define HANDLE void*
#include "strptime.h"
typedef int socklen_t;
#include <tcpustd.h>
#endif
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || (defined(__WATCOMC__) && !defined(__OS2__) && !defined(__NETWARE__) && !defined(__DOS__))
#ifndef NO_GETNAMEINFO
#include <ws2tcpip.h>
#include <wspiapi.h>
#endif
#ifdef USE_WINSOCK1
#include <winsock.h>
#else
#include <winsock2.h>
#endif
#include <process.h>
#include <windows.h>
#include "strptime.h"
typedef int socklen_t;
#elif defined(__NETWARE__)
#include <sys/bsdskt.h>
#include <sys/socket.h>
#define IPPROTO_TCP 0
#define INADDR_ANY 0
#include "strptime.h"
typedef int socklen_t;
uint16_t htons(uint16_t n) { return ((n >> 8) & 0xff) | ((n << 8) & 0xff00); }
#elif defined(__DOS__)
#include <netinet/tcp.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/select.h>
#include "strptime.h"
#else
#ifdef USE_POLL
#ifdef __PPU__
#include <net/poll.h>
#else
#include <poll.h>
#endif
#else
#ifndef __NeXT__
#include <sys/select.h>
#endif
#ifdef __OS2__
#include <netinet/in.h>
#endif
#endif
#include <sys/socket.h>
#include <arpa/inet.h>
#if !defined(__PPU__)
#ifdef __NeXT__
#include <netinet/in_systm.h>
#endif
#include <netinet/tcp.h>
#endif
#ifndef NO_GETNAMEINFO
#include <netdb.h>
#endif
#endif
#if defined(_PSP) || defined(__ps2sdk__) || defined(__bsdi__)
#include "strptime.h"
#endif
#ifdef __HAIKU__
#include <OS.h>
#endif
#ifdef __NeXT__
#include <sys/time.h>
#endif
#if defined(__USLC__) || defined(__NeXT__)
typedef int socklen_t;
#endif
#ifndef S_ISDIR
#define S_ISDIR(x) ((x) & _S_IFDIR)
#endif
extern struct tw_config config;
extern char tw_server[];
int sockcount = 0;
SOCKADDR addresses[MAX_PORTS];
int sockets[MAX_PORTS];
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
const char* reserved_names[] = {"CON", "PRN", "AUX", "NUL", "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9", "LPT1", "LPT2", "LPT3", "LPT4", ONT COLOR="#BC8F8F">"LPT5"#endif
/* https://qiita.com/gyu-don/items/5a640c6d2252a860c8cd */
int tw_wildcard_match(const char* wildcard, const char* target) {
const char *pw = wildcard, *pt = target;
while(1) {
if(*pt == 0) {
while(*pw == '*') pw++;
return *pw == 0;
} else if(*pw == 0) {
return 0;
} else if(*pw == '*') {
return *(pw + 1) == 0 || tw_wildcard_match(pw, pt + 1) || tw_wildcard_match(pw + 1, pt);
} else if(*pw == '?' || (tolower(*pw) == tolower(*pt))) {
pw++;
pt++;
continue;
} else {
return 0;
}
}
}
void close_socket(int sock) {
#ifdef __OS2__
soclose(sock);
#elif defined(__NETWARE__)
shutdown(sock, 2);
#elif defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
closesocket(sock);
#else
close(sock);
#endif
}
int tw_server_init(void) {
int i;
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || (defined(__WATCOMC__) && !defined(__OS2__) && !defined(__NETWARE__) && !defined(__DOS__))
WSADATA wsa;
#ifdef USE_WINSOCK1
WSAStartup(MAKEWORD(1, 1), &wsa);
#else
WSAStartup(MAKEWORD(2, 0), &wsa);
#endif
#endif
#ifdef __OS2__
sock_init();
#endif
for(i = 0; config.ports[i] != -1; i++)
;
sockcount = i;
for(i = 0; config.ports[i] != -1; i++) {
int yes = 1;
int no = 0;
#ifdef NO_IPV6
int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
#else
int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
#endif
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__)
if(sock == INVALID_SOCKET)
#else
if(sock < 0)
#endif
{
cm_log("Server", "Socket creation failure");
return 1;
}
if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
close_socket(sock);
cm_log("Server", "setsockopt failure (reuseaddr)");
return 1;
}
#if !defined(__PPU__) && !defined(__minix)
if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
close_socket(sock);
cm_log("Server", "setsockopt failure (nodelay)");
return 1;
}
#endif
#ifndef NO_IPV6
if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
close_socket(sock);
cm_log("Server", "setsockopt failure (IPv6)");
return 1;
}
#endif
memset(&addresses[i], 0, sizeof(addresses[i]));
#ifdef NO_IPV6
addresses[i].sin_family = AF_INET;
addresses[i].sin_addr.s_addr = INADDR_ANY;
addresses[i].sin_port = htons(config.ports[i] & 0xffff);
#else
addresses[i].sin6_family = AF_INET6;
addresses[i].sin6_addr = in6addr_any;
addresses[i].sin6_port = htons(config.ports[i] & 0xffff);
#endif
if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
close_socket(sock);
cm_log("Server", "Bind failure");
return 1;
}
if(listen(sock, 128) < 0) {
close_socket(sock);
cm_log("Server", "Listen failure");
return 1;
}
sockets[i] = sock;
}
return 0;
}
size_t tw_read(SSL* ssl, int s, void* data, size_t len) {
#ifndef NO_SSL
if(ssl == NULL) {
return recv(s, data, len, 0);
} else {
return SSL_read(ssl, data, len);
}
#else
return recv(s, data, len, 0);
#endif
}
size_t tw_write(SSL* ssl, int s, void* data, size_t len) {
#ifndef NO_SSL
if(ssl == NULL) {
return send(s, data, len, 0);
} else {
return SSL_write(ssl, data, len);
}
#else
return send(s, data, len, 0);
#endif
}
#define ERROR_HTML \
"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
"<html>\n" \
" <head>\n" \
" <title>%s</title>\n" \
" </head>\n" \
" <body>\n" \
" <h1>%s</h1>\n" \
" <hr>\n" \
" ", \
address, \
"\n" \
" </body>\n" \
"</html>\n"
void _tw_process_page(SSL* ssl, int sock, const char* status, const char* type, FILE* f, const unsigned char* doc, size_t size, char** headers, time_t mtime, time_t cmtime) {
char construct[512];
size_t incr;
if(mtime != 0 && cmtime != 0 && mtime <= cmtime) {
status = "304 Not Modified";
type = NULL;
size = 0;
headers = NULL;
f = NULL;
doc = NULL;
}
#if defined(_MSC_VER) || defined(__BORLANDC__)
sprintf(construct, "%lu", (unsigned long)size);
#else
sprintf(construct, "%llu", (unsigned long long)size);
#endif
tw_write(ssl, sock, "HTTP/1.1 ", 9);
tw_write(ssl, sock, (char*)status, strlen(status));
tw_write(ssl, sock, "\r\n", 2);
if(type != NULL) {
tw_write(ssl, sock, "Content-Type: ", 7 + 5 + 2);
tw_write(ssl, sock, (char*)type, strlen(type));
tw_write(ssl, sock, "\r\n", 2);
}
tw_write(ssl, sock, "Server: ", 6 + 2);
tw_write(ssl, sock, tw_server, strlen(tw_server));
tw_write(ssl, sock, "\r\n", 2);
if(size != 0) {
tw_write(ssl, sock, "Content-Length: ", 7 + 7 + 2);
tw_write(ssl, sock, construct, strlen(construct));
tw_write(ssl, sock, "\r\n", 2);
if(mtime != 0) {
struct tm* tm = gmtime(&mtime);
char date[513];
strftime(date, 512, "%a, %d %b %Y %H:%M:%S GMT", tm);
tw_write(ssl, sock, "Last-Modified: ", 5 + 8 + 2);
tw_write(ssl, sock, date, strlen(date));
tw_write(ssl, sock, "\r\n", 2);
}
}
if(headers != NULL) {
int i;
for(i = 0; headers[i] != NULL; i += 2) {
tw_write(ssl, sock, headers[i], strlen(headers[i]));
tw_write(ssl, sock, ": ", 2);
tw_write(ssl, sock, headers[i + 1], strlen(headers[i + 1]));
tw_write(ssl, sock, "\r\n", 2);
}
}
tw_write(ssl, sock, "\r\n", 2);
if(doc == NULL && f == NULL) return;
incr = 0;
while(1) {
if(f != NULL) {
char buffer[128];
fread(buffer, size < 128 ? size : 128, 1, f);
tw_write(ssl, sock, buffer, size < 128 ? size : 128);
} else {
tw_write(ssl, sock, (unsigned char*)doc + incr, size < 128 ? size : 128);
}
incr += 128;
if(size <= 128) break;
size -= 128;
}
}
void tw_process_page(SSL* ssl, int sock, const char* status, const char* type, FILE* f, const unsigned char* doc, size_t size, time_t mtime, time_t cmtime) { _tw_process_page(ssl, sock, status, type, f, doc, size, NULL, mtime, cmtime); }
const char* tw_http_status(int code) {
if(code == 200) {
return "200 OK";
} else if(code == 301) {
return "301 Moved Permanently";
} else if(code == 308) {
return "308 Permanent Redirect";
} else if(code == 400) {
return "400 Bad Request";
} else if(code == 401) {
return "401 Unauthorized";
} else if(code == 403) {
return "403 Forbidden";
} else if(code == 404) {
return "404 Not Found";
} else if(code == 500) {
return "500 Internal Server Error";
} else {
return "400 Bad Request";
}
}
char* tw_http_default_error(int code, char* name, int port, struct tw_config_entry* vhost) {
char address[1024];
char* st;
char* st2;
char* buffer;
char* str;
int i;
if((vhost->hideport == -1 ? config.root.hideport : vhost->hideport) == 1) {
sprintf(address, "<address>%s Server at %s</address>", tw_server, name, port);
} else {
sprintf(address, "<address>%s Server at %s Port %d</address>", tw_server, name, port);
}
st = cm_strdup(tw_http_status(code));
for(i = 0; st[i] != 0; i++) {
if(st[i] == ' ') {
st2 = cm_strdup(st + i + 1);
break;
}
}
buffer = malloc(4096);
str = cm_strcat3(ERROR_HTML);
sprintf(buffer, str, st, st2);
free(str);
free(st);
return buffer;
}
void tw_http_error(SSL* ssl, int sock, int error, char* name, int port, struct tw_config_entry* vhost) {
char* str = tw_http_default_error(error, name, port, vhost);
tw_process_page(ssl, sock, tw_http_status(error), "text/html", NULL, str, strlen(str), 0, 0);
free(str);
}
void addstring(char** str, const char* add, ...) {
int i;
char cbuf[2];
va_list va;
cbuf[1] = 0;
va_start(va, add);
for(i = 0; add[i] != 0; i++) {
cbuf[0] = add[i];
if(add[i] == '%') {
i++;
if(add[i] == 's') {
char* tmp = *str;
*str = cm_strcat(tmp, va_arg(va, const char*));
free(tmp);
} else if(add[i] == 'h') {
char* h = cm_html_escape(va_arg(va, const char*));
char* tmp = *str;
*str = cm_strcat(tmp, h);
free(tmp);
free(h);
} else if(add[i] == 'l') {
char* h = cm_url_escape(va_arg(va, const char*));
char* tmp = *str;
*str = cm_strcat(tmp, h);
free(tmp);
free(h);
} else if(add[i] == 'd') {
int n = va_arg(va, int);
char* h = malloc(512);
char* tmp = *str;
sprintf(h, "%d", n);
*str = cm_strcat(tmp, h);
free(tmp);
free(h);
} else if(add[i] == '%') {
char* tmp = *str;
*str = cm_strcat(tmp, "%");
free(tmp);
}
} else {
char* tmp = *str;
*str = cm_strcat(tmp, cbuf);
free(tmp);
}
}
va_end(va);
}
char* tw_get_mime(const char* ext, struct tw_config_entry* vhost_entry) {
char* mime = "application/octet-stream";
bool set = false;
int i;
if(ext == NULL) return mime;
for(i = 0; i < vhost_entry->mime_count; i++) {
if(strcmp(vhost_entry->mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(vhost_entry->mimes[i].ext, ext))) {
mime = vhost_entry->mimes[i].mime;
set = true;
}
}
if(!set) {
for(i = 0; i < config.root.mime_count; i++) {
if(strcmp(config.root.mimes[i].ext, "all") == 0 || (ext != NULL && tw_wildcard_match(config.root.mimes[i].ext, ext))) {
mime = config.root.mimes[i].mime;
}
}
}
return mime;
}
char* tw_get_icon(const char* mime, struct tw_config_entry* vhost_entry) {
char* icon = "";
bool set = false;
int i;
if(mime == NULL) return "";
for(i = 0; i < vhost_entry->icon_count; i++) {
if(strcmp(vhost_entry->icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(vhost_entry->icons[i].mime, mime))) {
icon = vhost_entry->icons[i].icon;
set = true;
}
}
if(!set) {
for(i = 0; i < config.root.icon_count; i++) {
if(strcmp(config.root.icons[i].mime, "all") == 0 || (mime != NULL && tw_wildcard_match(config.root.icons[i].mime, mime))) {
icon = config.root.icons[i].icon;
}
}
}
return icon;
}
struct pass_entry {
int sock;
int port;
bool ssl;
SOCKADDR addr;
};
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
#define NO_RETURN_THREAD
void tw_server_pass(void* ptr) {
#elif defined(__HAIKU__)
int32_t tw_server_pass(void* ptr) {
#elif defined(_PSP) || defined(__PPU__)
int tw_server_pass(void* ptr) {
#endif
#if defined(__HAIKU__) || defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
#define FREE_PTR
int sock = ((struct pass_entry*)ptr)->sock;
bool ssl = ((struct pass_entry*)ptr)->ssl;
int port = ((struct pass_entry*)ptr)->port;
SOCKADDR addr = ((struct pass_entry*)ptr)->addr;
#else
#define NO_RETURN_THREAD
void tw_server_pass(int sock, bool ssl, int port, SOCKADDR addr) {
#endif
SSL* s = NULL;
#ifndef NO_SSL
SSL_CTX* ctx = NULL;
bool sslworks = false;
if(ssl) {
ctx = tw_create_ssl_ctx(port);
s = SSL_new(ctx);
SSL_set_fd(s, sock);
if(SSL_accept(s) <= 0) goto cleanup;
sslworks = true;
}
#endif
char* name = config.hostname;
char address[513];
int ret;
struct tw_http_request req;
struct tw_http_response res;
struct tw_tool tools;
char* addrstr;
#ifndef NO_GETNAMEINFO
struct sockaddr* sa = (struct sockaddr*)&addr;
getnameinfo(sa, sizeof(addr), address, 512, NULL, 0, NI_NUMERICHOST);
#elif defined(__NETWARE__)
address[0] = 0;
#else
addrstr = inet_ntoa(addr.sin_addr);
strcpy(address, addrstr);
address[strlen(addrstr)] = 0;
#endif
#ifdef FREE_PTR
free(ptr);
#endif
res._processed = false;
tw_init_tools(&tools);
ret = tw_http_parse(s, sock, &req);
if(ret == 0) {
char date[513];
time_t t = time(NULL);
struct tm* tm = localtime(&t);
char* useragent = cm_strdup("");
int i;
char* tmp;
char* tmp2;
char* tmp3;
char* tmp4;
char* tmp5;
char* log;
char* vhost;
time_t cmtime;
bool rej;
char* host;
int port;
char* chrootpath;
struct tw_config_entry* vhost_entry;
strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
for(i = 0; req.headers[i] != NULL; i += 2) {
if(cm_strcaseequ(req.headers[i], "User-Agent")) {
free(useragent);
useragent = cm_strdup(req.headers[i + 1]);
}
}
tmp = cm_strcat3(address, " - [", date);
tmp2 = cm_strcat3(tmp, "] \"", req.method);
tmp3 = cm_strcat3(tmp2, " ", req.path);
tmp4 = cm_strcat3(tmp3, " ", req.version);
tmp5 = cm_strcat3(tmp4, "\" \"", useragent);
log = cm_strcat(tmp5, "\"");
free(tmp);
free(tmp2);
free(tmp3);
free(tmp4);
free(tmp5);
free(useragent);
cm_force_log(log);
free(log);
vhost = cm_strdup(config.hostname);
cmtime = 0;
if(req.headers != NULL) {
for(i = 0; req.headers[i] != NULL; i += 2) {
if(cm_strcaseequ(req.headers[i], "Host")) {
free(vhost);
vhost = cm_strdup(req.headers[i + 1]);
} else if(cm_strcaseequ(req.headers[i], "If-Modified-Since")) {
struct tm tm;
time_t t;
struct tm* btm;
strptime(req.headers[i + 1], "%a, %d %b %Y %H:%M:%S GMT", &tm);
#if defined(__MINGW32__) || defined(_PSP) || defined(__PPU__) || defined(__ps2sdk__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__) || defined(__USLC__) || defined(__NeXT__) || defined(__bsdi__)
t = 0;
btm = localtime(&t);
cmtime = mktime(&tm);
cmtime -= (btm->tm_hour * 60 + btm->tm_min) * 60;
#else
cmtime = timegm(&tm);
#endif
}
}
}
rej = false;
cm_log("Server", "Host is %s", vhost);
port = s == NULL ? 80 : 443;
host = cm_strdup(vhost);
for(i = 0; vhost[i] != 0; i++) {
if(vhost[i] == ':') {
host[i] = 0;
port = atoi(host + i + 1);
break;
}
}
name = host;
cm_log("Server", "Hostname is `%s', port is `%d'", host, port);
vhost_entry = tw_vhost_match(host, port);
#ifdef HAS_CHROOT
chrootpath = vhost_entry->chroot_path != NULL ? vhost_entry->chroot_path : config.root.chroot_path;
if(chrootpath != NULL) {
if(chdir(chrootpath) == 0) {
if(chroot(".") == 0) {
cm_log("Server", "Chroot successful");
}
} else {
cm_log("Server", "chdir() failed, cannot chroot");
tw_http_error(s, sock, 500, name, port, vhost_entry);
rej = true;
}
}
#endif
for(i = 0; i < config.module_count; i++) {
#ifdef __OS2__
tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "MOD_REQUEST");
#else
tw_mod_request_t mod_req = (tw_mod_request_t)tw_module_symbol(config.modules[i], "mod_request");
#endif
if(mod_req != NULL) {
int ret = mod_req(&tools, &req, &res);
int co = ret & 0xff;
if(co == _TW_MODULE_PASS) {
continue;
} else if(co == _TW_MODULE_STOP) {
/* Handle response here ... */
res._processed = true;
break;
} else if(co == _TW_MODULE_STOP2) {
res._processed = true;
break;
} else if(co == _TW_MODULE_ERROR) {
tw_http_error(s, sock, (ret & 0xffff00) >> 8, name, port, vhost_entry);
break;
}
}
}
if(!res._processed) {
char* path;
char* rpath;
struct stat st;
char* slash;
cm_log("Server", "Document root is %s", vhost_entry->root == NULL ? "not set" : vhost_entry->root);
path = cm_strcat(vhost_entry->root == NULL ? "" : vhost_entry->root, req.path);
cm_log("Server", "Filesystem path is %s", path);
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
for(i = strlen(path) - 1; i >= 0; i--) {
if(path[i] == '/') {
path[i] = 0;
} else {
break;
}
}
#endif
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
rpath = cm_strdup(path);
for(i = strlen(rpath) - 1; i >= 0; i--) {
if(rpath[i] == '/') {
int j;
for(j = i + 1; rpath[j] != 0; j++) {
if(rpath[j] == ':' || rpath[j] == '.') {
rpath[j] = 0;
break;
}
}
break;
}
}
for(i = 0; i < sizeof(reserved_names) / sizeof(reserved_names[0]); i++) {
char* n = cm_strcat("/", reserved_names[i]);
if(cm_nocase_endswith(rpath, n)) {
tw_http_error(s, sock, 403, name, port, vhost_entry);
free(n);
rej = true;
cm_log("Server", "XP Patch ; rejecting access to device");
break;
}
free(n);
}
free(rpath);
#endif
if(!rej && stat(path, &st) == 0) {
if(!tw_permission_allowed(path, addr, req, vhost_entry)) {
tw_http_error(s, sock, 403, name, port, vhost_entry);
} else if(S_ISDIR(st.st_mode)) {
if(req.path[strlen(req.path) - 1] != '/') {
char* headers[3] = {"Location", NULL, NULL};
headers[1] = cm_strcat(req.path, "/");
cm_log("Server", "Accessing directory without the slash at the end");
_tw_process_page(s, sock, tw_http_status(301), NULL, NULL, NULL, 0, headers, 0, 0);
free(headers[1]);
} else {
char** indexes = vhost_entry->index_count == 0 ? config.root.indexes : vhost_entry->indexes;
int index_count = vhost_entry->index_count == 0 ? config.root.index_count : vhost_entry->index_count;
bool found = false;
for(i = 0; i < index_count; i++) {
char* p = cm_strcat3(path, "/", indexes[i]);
FILE* f = fopen(p, "rb");
if(f != NULL) {
char* ext = NULL;
int j;
struct stat st;
char* mime;
for(j = strlen(p) - 1; j >= 0; j--) {
if(p[j] == '.') {
ext = cm_strdup(p + j);
break;
} else if(p[j] == '/') {
break;
}
}
stat(p, &st);
mime = tw_get_mime(ext, vhost_entry);
tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, 0, 0);
fclose(f);
if(ext != NULL) free(ext);
free(p);
found = true;
break;
}
free(p);
}
if(!found) {
char* str = malloc(1);
char** items;
int readme;
char** readmes;
int readme_count;
int hp;
str[0] = 0;
items = cm_scandir(path);
addstring(&str, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n");
addstring(&str, "<html>\n");
addstring(&str, " <head>\n");
addstring(&str, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
addstring(&str, " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n");
addstring(&str, " <title>Index of %h</title>\n", req.path);
addstring(&str, " </head>\n");
addstring(&str, " <body>\n");
addstring(&str, " <h1>Index of %h</h1>\n", req.path);
addstring(&str, " <hr>\n");
addstring(&str, " <table border=\"0\">\n");
addstring(&str, " <tr>\n");
addstring(&str, " <th></th>\n");
addstring(&str, " <th>Filename</th>\n");
addstring(&str, " <th>Last-modified</th>\n");
addstring(&str, " <th>MIME</th>\n");
addstring(&str, " <th>Size</th>\n");
addstring(&str, " </tr>\n");
readme = -1;
readmes = vhost_entry->readme_count == 0 ? config.root.readmes : vhost_entry->readmes;
readme_count = vhost_entry->readme_count == 0 ? config.root.readme_count : vhost_entry->readme_count;
if(items != NULL) {
int phase = 0;
doit:
for(i = 0; items[i] != NULL; i++) {
int j;
char* ext;
char* itm;
char* icon;
char* fpth = cm_strcat3(path, "/", items[i]);
struct stat s;
char size[512];
char date[512];
char* showmime;
char* mime;
struct tm* tm;
size[0] = 0;
stat(fpth, &s);
tm = localtime(&s.st_mtime);
strftime(date, 512, "%a, %d %b %Y %H:%M:%S %Z", tm);
if(phase == 0 && !S_ISDIR(s.st_mode)) {
free(fpth);
continue;
} else if(phase == 1 && S_ISDIR(s.st_mode)) {
free(fpth);
continue;
}
if(readme == -1) {
for(j = 0; j < readme_count; j++) {
if(strcmp(items[i], readmes[j]) == 0) {
readme = j;
break;
}
}
if(readme != -1) {
free(fpth);
continue;
}
}
if(s.st_size < NUM1024) {
sprintf(size, "%d", (int)s.st_size);
} else if(s.st_size < NUM1024 * 1024) {
sprintf(size, "%.1fK", (double)s.st_size / 1024);
} else if(s.st_size < NUM1024 * 1024 * 1024) {
sprintf(size, "%.1fM", (double)s.st_size / 1024 / 1024);
} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024) {
sprintf(size, "%.1fG", (double)s.st_size / 1024 / 1024 / 1024);
} else if(s.st_size < NUM1024 * 1024 * 1024 * 1024 * 1024) {
sprintf(size, "%.1fT", (double)s.st_size / 1024 / 1024 / 1024 / 1024);
}
free(fpth);
ext = NULL;
for(j = strlen(items[i]) - 1; j >= 0; j--) {
if(items[i][j] == '.') {
ext = cm_strdup(items[i] + j);
break;
} else if(items[i][j] == '/') {
break;
}
}
showmime = "";
mime = tw_get_mime(ext, vhost_entry);
if(strcmp(items[i], "../") == 0) {
mime = "misc/parent";
size[0] = 0;
} else if(items[i][strlen(items[i]) - 1] == '/') {
mime = "misc/dir";
size[0] = 0;
} else {
showmime = mime;
}
icon = tw_get_icon(mime, vhost_entry);
if(ext != NULL) free(ext);
itm = cm_strdup(items[i]);
if(strlen(itm) >= 32) {
if(itm[strlen(itm) - 1] == '/') {
itm[31] = 0;
itm[30] = '/';
itm[29] = '.';
itm[28] = '.';
itm[27] = '.';
} else {
itm[31] = 0;
itm[30] = '.';
itm[29] = '.';
itm[28] = '.';
}
}
addstring(&str, "<tr>\n");
addstring(&str, " <td><img src=\"%s\" alt=\"icon\"></td>\n", icon);
addstring(&str, " <td><a href=\"%l\"><code>%h</code></a></td>\n", items[i], itm);
addstring(&str, " <td><code> %h </code></td>\n", date);
addstring(&str, " <td><code> %h </code></td>\n", showmime);
addstring(&str, " <td><code> %s </code></td>\n", size);
addstring(&str, "</tr>\n");
free(itm);
}
phase++;
if(phase != 2) goto doit;
for(i = 0; items[i] != NULL; i++) free(items[i]);
free(items);
}
addstring(&str, " </table>\n");
if(readme != -1) {
struct stat s;
FILE* fr;
char* fpth;
addstring(&str, "<hr>\n");
fpth = cm_strcat3(path, "/", readmes[readme]);
stat(fpth, &s);
fr = fopen(fpth, "r");
if(fr != NULL) {
char* rmbuf = malloc(s.st_size + 1);
rmbuf[s.st_size] = 0;
fread(rmbuf, s.st_size, 1, fr);
addstring(&str, "<pre><code>%h</code></pre>\n", rmbuf);
fclose(fr);
free(rmbuf);
}
free(fpth);
}
addstring(&str, " <hr>\n");
hp = vhost_entry->hideport == -1 ? config.root.hideport : vhost_entry->hideport;
if(hp == 0) {
addstring(&str, " <address>%s Server at %s Port %d</address>\n", tw_server, name, port);
} else {
addstring(&str, " <address>%s Server at %s</address>\n", tw_server, name, port);
}
addstring(&str, " </body>\n");
addstring(&str, "</html>\n");
tw_process_page(s, sock, tw_http_status(200), "text/html", NULL, str, strlen(str), 0, 0);
free(str);
}
}
} else {
char* ext = NULL;
char* mime;
FILE* f;
for(i = strlen(req.path) - 1; i >= 0; i--) {
if(req.path[i] == '.') {
ext = cm_strdup(req.path + i);
break;
} else if(req.path[i] == '/') {
break;
}
}
mime = tw_get_mime(ext, vhost_entry);
if(ext != NULL) free(ext);
f = fopen(path, "rb");
if(f == NULL) {
tw_http_error(s, sock, 403, name, port, vhost_entry);
} else {
tw_process_page(s, sock, tw_http_status(200), mime, f, NULL, st.st_size, st.st_mtime, cmtime);
fclose(f);
}
}
} else {
if(!rej) {
tw_http_error(s, sock, 404, name, port, vhost_entry);
}
}
free(path);
}
free(vhost);
free(host);
} else if(ret == -1) {
} else {
tw_http_error(s, sock, 400, name, port, &config.root);
}
tw_free_request(&req);
cleanup:
#ifndef NO_SSL
if(sslworks) {
SSL_shutdown(s);
}
SSL_free(s);
#endif
close_socket(sock);
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
#ifdef __NETWARE__
ExitThread(EXIT_THREAD, 0);
#elif defined(__DOS__)
#else
_endthread();
#endif
#elif defined(__HAIKU__)
exit_thread(0);
#endif
#ifndef NO_RETURN_THREAD
return 0;
#endif
}
#ifdef SERVICE
extern SERVICE_STATUS status;
extern SERVICE_STATUS_HANDLE status_handle;
#endif
#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
struct thread_entry {
#ifdef __HAIKU__
thread_id thread;
#elif defined(__NETWARE__)
int thread;
#elif defined(__DOS__)
#else
HANDLE handle;
#endif
bool used;
};
#endif
extern int running;
void tw_server_loop(void) {
int i;
#ifndef USE_POLL
fd_set fdset;
struct timeval tv;
#endif
#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_MSC_VER) || defined(__BORLANDC__) || (defined(__WATCOMC__) && !defined(__NETWARE__) && !defined(__DOS__))
struct thread_entry threads[2048];
for(i = 0; i < sizeof(threads) / sizeof(threads[0]); i++) {
threads[i].used = false;
}
#endif
#ifdef USE_POLL
struct pollfd* pollfds = malloc(sizeof(*pollfds) * sockcount);
for(i = 0; i < sockcount; i++) {
pollfds[i].fd = sockets[i];
pollfds[i].events = POLLIN | POLLPRI;
}
#endif
while(running) {
int ret;
#ifdef USE_POLL
ret = poll(pollfds, sockcount, 1000);
#else
FD_ZERO(&fdset);
for(i = 0; i < sockcount; i++) {
FD_SET(sockets[i], &fdset);
}
tv.tv_sec = 1;
tv.tv_usec = 0;
#ifdef __HAIKU__
ret = select(32, &fdset, NULL, NULL, &tv);
#else
ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
#endif
#endif
if(ret == -1) {
#if !defined(__MINGW32__) && !defined(_MSC_VER) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
if(errno == EINTR) continue;
cm_log("Server", "Select failure: %s", strerror(errno));
#endif
break;
} else if(ret == 0) {
#ifdef SERVICE
if(status.dwCurrentState == SERVICE_STOP_PENDING) {
break;
}
#endif
} else if(ret > 0) {
/* connection */
int i;
for(i = 0; i < sockcount; i++) {
bool cond;
#ifdef USE_POLL
cond = pollfds[i].revents & POLLIN;
#else
cond = FD_ISSET(sockets[i], &fdset);
#endif
if(cond) {
SOCKADDR claddr;
socklen_t clen = sizeof(claddr);
int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
#if defined(__MINGW32__) || defined(__HAIKU__) || defined(_PSP) || defined(__PPU__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
int j;
struct pass_entry* e = malloc(sizeof(*e));
cm_log("Server", "New connection accepted");
e->sock = sock;
#if defined(_MSC_VER) || defined(__BORLANDC__)
e->ssl = config.ports[i] & (1UL << 31);
#else
e->ssl = config.ports[i] & (1ULL << 31);
#endif
e->port = config.ports[i];
e->addr = claddr;
#endif
#if defined(__MINGW32__) || defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__)
#ifdef __OS2__
_beginthread(tw_server_pass, 0, 0, e);
#elif defined(__NETWARE__)
BeginThread(tw_server_pass, NULL, 0, e);
#elif defined(__DOS__)
tw_server_pass(e);
#else
_beginthread(tw_server_pass, 0, e);
#endif
#elif defined(_PSP) || defined(__PPU__)
tw_server_pass(e);
#elif defined(__HAIKU__)
for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
if(threads[j].used) {
thread_info info;
bool kill = false;
if(get_thread_info(threads[j].thread, &info) == B_OK) {
} else {
kill = true;
}
if(kill) {
threads[j].used = false;
}
}
}
for(j = 0; j < sizeof(threads) / sizeof(threads[0]); j++) {
if(!threads[j].used) {
threads[j].thread = spawn_thread(tw_server_pass, "Tewi HTTPd", 60, e);
threads[j].used = true;
resume_thread(threads[j].thread);
break;
}
}
#else
pid_t pid = fork();
if(pid == 0) {
int j;
for(j = 0; j < sockcount; j++) close_socket(sockets[j]);
tw_server_pass(sock, config.ports[i] & (1ULL << 31), config.ports[i], claddr);
_exit(0);
} else {
close_socket(sock);
}
#endif
}
}
}
}
for(i = 0; i < sockcount; i++) {
close_socket(sockets[i]);
}
cm_force_log("Server is down");
}