/* bijou HTTP server for plan 9 by sean caron (scaron@umich.edu) */ #include "main.h" /* HTTP 301 redirect */ void http_301(int fd, char *hostname, char *port, struct request req) { 	char date[32];	char *tu; 	rfc1123_time(date, time(0)); 	uri_encode(req.uri, &tu); 	fprint(fd, "HTTP/1.1 301 Moved Permanently\n");	fprint(fd, "Date: %s\n", date );	fprint(fd, "Server: bijou/1.0 (Plan 9)\n");	fprint(fd, "Location: http://%s%s\n", hostname, tu);	fprint(fd, "Content-Type: text/html\n"); 	fprint(fd, "\r\n"); 	/* if the method was HEAD, return after printing the document header */ 	if ( strcmp(req.method, "HEAD") == 0 ) {		return;	} 	fprint(fd, "<HTML><HEAD>\n");	fprint(fd, "<TITLE>301 Moved Permanently</TITLE>\n");	fprint(fd, "</HEAD><BODY>\n");	fprint(fd, "<H1>Moved Permanently</H1>\n");	fprint(fd, "The document has moved <A HREF=\"http://%s%s\">here</A>.<P>\n", hostname, tu);	fprint(fd, "<HR>\n");	fprint(fd, "<ADDRESS>bijou/1.0 server at %s port %s</ADDRESS>\n", hostname, port);	fprint(fd, "</BODY></HTML>\n"); 	free(tu); 	return;} /* HTTP 400 bad request - characters following request */ void http_400_following(int fd, char *hostname, char *port, struct request req) { 	char date[32]; 	rfc1123_time(date, time(0)); 	fprint(fd, "HTTP/1.1 400 Bad Request\n");	fprint(fd, "Date: %s\n", date);	fprint(fd, "Server: bijou/1.0 (Plan 9)\n");	fprint(fd, "Content-Type: text/html\n"); 	fprint(fd, "\r\n"); 	/* if the method was HEAD, return after printing the document header */ 	if ( strcmp(req.method, "HEAD") == 0 ) {		return;	} 	fprint(fd, "<HTML><HEAD>\n");	fprint(fd, "<TITLE>400 Bad Request</TITLE>\n");	fprint(fd, "</HEAD><BODY>\n");	fprint(fd, "<H1>Bad Request</H1>\n");	fprint(fd, "Your browser sent a request that this server could not understand.<P>\n");	fprint(fd, "The request line contained invalid characters following the protocol string.<P>\n");	fprint(fd, "<P>\n");	fprint(fd, "<HR>\n");	fprint(fd, "<ADDRESS>bijou/1.0 server at %s port %s</ADDRESS>\n", hostname, port);	fprint(fd, "</BODY></HTML>\n"); 	return;} /* HTTP 400 bad request - invalid URI */ void http_400_invalid(int fd, char *hostname, char *port, struct request req) { 	char date[32]; 	rfc1123_time(date, time(0)); 	fprint(fd, "HTTP/1.1 400 Bad Request\n");	fprint(fd, "Date: %s\n", date);	fprint(fd, "Server: bijou/1.0 (Plan 9)\n");	fprint(fd, "Content-Type: text/html\n"); 	fprint(fd, "\r\n"); 	/* if the method was HEAD, return after printing the document header */ 	if ( strcmp(req.method, "HEAD") == 0 ) {		return;	} 	fprint(fd, "<HTML><HEAD>\n");	fprint(fd, "<TITLE>400 Bad Request</TITLE>\n");	fprint(fd, "</HEAD><BODY>\n");	fprint(fd, "<H1>Bad Request</H1>\n");	fprint(fd, "Your browser sent a request that this server could not understand.<P>\n"); 	if ( strcmp(req.version,"") == 0 ) {		fprint(fd, "Invalid URI in request %s %s<P>\n", req.method, req.uri);	} 	else {		fprint(fd, "Invalid URI in request %s %s %s<P>\n", req.method, req.uri, req.version);	} 	fprint(fd, "<P>\n");	fprint(fd, "<HR>\n");	fprint(fd, "<ADDRESS>bijou/1.0 server at %s port %s</ADDRESS>\n", hostname, port);	fprint(fd, "</BODY></HTML>\n"); 	return;} /* HTTP 401 authorization required */ void http_401(int fd, char *hostname, char *port, char *realm, struct request req) { 	char date[32]; 	rfc1123_time(date, time(0)); 	fprint(fd, "HTTP/1.1 401 Authorization Required\n");	fprint(fd, "Date: %s\n", date);	fprint(fd, "Server: bijou/1.0 (Plan 9)\n");	fprint(fd, "WWW-Authenticate: Basic realm=\"%s\"\n", realm);	fprint(fd, "Content-Type: text/html\n"); 	fprint(fd, "\r\n"); 	/* if the method was HEAD, return after printing the document header */ 	if ( strcmp(req.method, "HEAD") == 0 ) {		return;	} 	fprint(fd, "<HTML><HEAD>\n");	fprint(fd, "<TITLE>401 Authorization Required</TITLE>\n");	fprint(fd, "</HEAD><BODY>\n");	fprint(fd, "<H1>Authorization Required</H1>\n");	fprint(fd, "The server could not verify that you are authorized to access the document requested.\n");	fprint(fd, "Either you supplied the wrong credentials, or your browser doesn't understand how to supply the credentials required.<P>\n");	fprint(fd, "<HR>\n");	fprint(fd, "<ADDRESS>bijou/1.0 server at %s port %s</ADDRESS>\n", hostname, port);	fprint(fd, "</BODY></HTML>\n"); 	return;} /* HTTP 403 forbidden */ void http_403(int fd, char *hostname, char *port, struct request req) { 	char date[32]; 	rfc1123_time(date, time(0)); 	fprint(fd, "HTTP/1.1 403 Forbidden\n");	fprint(fd, "Date: %s\n", date);	fprint(fd, "Server: bijou/1.0 (Plan 9)\n");	fprint(fd, "Content-Type: text/html\n"); 	fprint(fd, "\r\n"); 	/* if the method was HEAD, return after printing the document header */ 	if ( strcmp(req.method, "HEAD") == 0 ) {		return;	} 	fprint(fd, "<HTML><HEAD>\n");	fprint(fd, "<TITLE>403 Forbidden</TITLE>\n");	fprint(fd, "</HEAD><BODY>\n");	fprint(fd, "<H1>Forbidden</H1>\n");	fprint(fd, "You don't have permission to access %s on this server.<P>\n", req.uri);	fprint(fd, "<HR>\n");	fprint(fd, "<ADDRESS>bijou/1.0 server at %s port %s</ADDRESS>\n", hostname, port);	fprint(fd, "</BODY></HTML>\n"); 	return;} /* HTTP 404 not found */ void http_404(int fd, char *path, char *hostname, char *port, struct request req) { 	char date[32]; 	rfc1123_time(date, time(0)); 	fprint(fd, "HTTP/1.1 404 Not Found\n");	fprint(fd, "Date: %s\n", date );	fprint(fd, "Server: bijou/1.0 (Plan 9)\n");	fprint(fd, "Content-Type: text/html\n"); 	fprint(fd, "\r\n"); 	/* if the method was HEAD, return after printing the document header */ 	if ( strcmp(req.method, "HEAD") == 0 ) {		return;	} 	fprint(fd, "<HTML><HEAD>\n");	fprint(fd, "<TITLE>404 Not Found</TITLE>\n");	fprint(fd, "</HEAD><BODY>\n");	fprint(fd, "<H1>Not Found</H1>\n");	fprint(fd, "The requested URL %s was not found on this server.<P>\n", path);	fprint(fd, "<HR>\n");	fprint(fd, "<ADDRESS>bijou/1.0 server at %s port %s</ADDRESS>\n", hostname, port);	fprint(fd, "</BODY></HTML>\n"); 	return;} /* HTTP 500 internal server error */ void http_500(int fd, char *hostname, char *port, struct request req) { 	char date[32]; 	rfc1123_time(date, time(0)); 	fprint(fd, "HTTP/1.1 500 Internal Server Error\n");	fprint(fd, "Date: %s\n", date );	fprint(fd, "Server: bijou/1.0 (Plan 9)\n");	fprint(fd, "Content-Type: text/html\n"); 	fprint(fd, "\r\n"); 	/* if the method was HEAD, return after printing the document header */ 	if ( strcmp(req.method, "HEAD") == 0 ) {		return;	} 	fprint(fd, "<HTML><HEAD>\n");	fprint(fd, "<TITLE>500 Internal Server Error</TITLE>\n");	fprint(fd, "</HEAD><BODY>\n");	fprint(fd, "<H1>Internal Server Error</H1>\n");	fprint(fd, "The server encountered an internal error or misconfiguration and was unable to complete your request.<P>\n");	fprint(fd, "Please contact the server administrator and inform them of the time the error occurred, and anything you might have done that may have caused the error.<P>\n");	fprint(fd, "More information about this error may be available in the server error log.<P>\n");	fprint(fd, "<HR>\n");	fprint(fd, "<ADDRESS>bijou/1.0 server at %s port %s</ADDRESS>\n", hostname, port);	fprint(fd, "</BODY></HTML>\n"); 	return;} /* HTTP 501 method not implemented */ void http_501(int fd, char *hostname, char *port, struct request req) { 	char date[32]; 	rfc1123_time(date, time(0)); 	fprint(fd, "HTTP/1.1 501 Method Not Implemented\n");	fprint(fd, "Date: %s\n", date );	fprint(fd, "Server: bijou/1.0 (Plan 9)\n");	fprint(fd, "Allow: GET\n");	fprint(fd, "Content-Type: text/html\n"); 	fprint(fd, "\r\n"); 	/* if the method was HEAD, return after printing the document header */ 	if ( strcmp(req.method, "HEAD") == 0 ) {		return;	} 	fprint(fd, "<HTML><HEAD>\n");	fprint(fd, "<TITLE>501 Method Not Implemented</TITLE>\n");	fprint(fd, "</HEAD><BODY>\n");	fprint(fd, "<H1>Method Not Implemented</H1>\n");	fprint(fd, "%s to %s not supported.<P>\n", req.method, req.uri); 	if ( strcmp(req.version, "") == 0 ) {		fprint(fd, "Invalid method in request %s %s<P>\n", req.method, req.uri);	} 	else {		fprint(fd, "Invalid method in request %s %s %s<P>\n", req.method, req.uri, req.version);	} 	fprint(fd, "<HR>\n");	fprint(fd, "<ADDRESS>bijou/1.0 server at %s port %s</ADDRESS>\n", hostname, port);	fprint(fd, "</BODY></HTML>\n"); 	return;}