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/*
* HTTP responses
* Copyright (C) 2006-2009 Unix Solutions Ltd.
*
* Released under MIT license.
* See LICENSE-MIT.txt for license terms.
*/
#include <stdio.h>
#include <stdarg.h>
#include <netdb.h>
#include <time.h>
#include "io.h"
static char *server_signature = NULL;
static char *server_version = NULL;
void set_http_response_server_ident(char *server, char *version) {
server_signature = server;
server_version = version;
}
void send_http_response(int clientsock, const char *response) {
char buf[128];
time_t now = time(NULL);
fdputsf(clientsock, "HTTP/1.0 %s\n", response);
if (server_signature && server_version)
fdputsf(clientsock, "Server: %s %s\n", server_signature, server_version);
strftime(buf,sizeof(buf),"Date: %a, %d %b %Y %H:%M:%S %Z\n",gmtime(&now));
fdputs(clientsock,buf);
fdputs(clientsock, "Cache-Control: no-cache\n");
fdputs(clientsock, "Connection: close\n");
fdputs(clientsock, "Pragma: no-cache\n");
}
void send_header_textplain(int clientsock) {
fdputs(clientsock,"Content-Type: text/plain\n");
}
void send_http_error(int clientsock, const char *code, const char *message) {
send_http_response(clientsock, code);
send_header_textplain(clientsock);
if (message) {
fdputsf(clientsock,"X-Error: %s\n", message);
}
fdputs(clientsock,"\n");
fdputsf(clientsock,"%s\n", message ? message : code);
}
void send_200_ok(int clientsock) {
send_http_response(clientsock,"200 OK");
}
void send_http_ok(int clientsock, char *message) {
send_200_ok(clientsock);
send_header_textplain(clientsock);
fdputs(clientsock, "\n");
fdputs(clientsock, message);
fdputs(clientsock, "\n");
}
void send_http_ok_msg(int clientsock, const char *fmt, ...) {
char msg[512];
va_list args;
va_start(args, fmt);
vsnprintf(msg, 512, fmt, args);
va_end(args);
send_http_ok(clientsock, msg);
}
void send_302_redirect(int clientsock, char * url) {
send_http_response(clientsock,"302 Found");
fdputsf(clientsock,"Location: %s\n", url);
fdputs(clientsock,"\n");
}
void send_400_bad_request(int clientsock, const char * msg) {
send_http_error(clientsock,"400 Bad Request", msg);
}
void send_403_forbidden_msg(int clientsock, const char *msg) {
send_http_error(clientsock, "403 Forbidden", msg);
}
void send_403_forbidden(int clientsock) {
send_403_forbidden_msg(clientsock, "access-denied");
}
void send_404_not_found(int clientsock) {
send_http_error(clientsock, "404 Not Found", NULL);
}
void send_409_conflict(int clientsock, const char * msg) {
send_http_error(clientsock, "409 Conflict", msg);
}
void send_500_internal_server_error(int clientsock, const char * msg) {
send_http_error(clientsock, "500 Internal Server Error", msg);
}
void send_501_not_implemented(int clientsock) {
send_http_error(clientsock, "501 Method Not Implemented", NULL);
}
void send_504_gateway_timeout(int clientsock) {
send_http_error(clientsock, "504 Gateway Timeout", "no-signal");
}
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