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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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