static void
do_file_response
(
struct HTTPRequest *req, /* HTTP request */
FILE *out, /* output fd */
char *docroot /* docroot path */
)
{
struct FileInfo *info = NULL;
dbg( "req=%p, out=%p, docroot=%p\n", req, out, docroot );
info = get_fileinfo( docroot, req->path );
if( 0 == info->ok )
{
free_fileinfo( info );
not_found( req, out );
return ;
}
output_common_header_fields( req, out, "200 OK" );
fprintf( out, "Content-Length: %ld\r\n", info->size );
fprintf( out, "Content-Type: %s\r\n", guess_content_type( info ) );
fprintf( out, "\r\n" );
outputBodyFields( info, req, out );
fflush( out );
free_fileinfo( info );
}
static void
not_found(struct HTTPRequest *req, FILE *out)
{
dbg( "req=%p, out=%p\n", req, out );
output_common_header_fields( req, out, "404 Not Found" );
fprintf( out, "Content-Type: text/html\r\n" );
fprintf( out, "\r\n" );
if( 0 != strcmp( req->method, "HEAD" ) )
{
fprintf( out, "<html>\r\n" );
fprintf( out, "<header><title>Not Found</title><header>\r\n" );
fprintf( out, "<body><p>File not found</p></body>\r\n" );
fprintf( out, "</html>\r\n" );
}
fflush(out);
}
static void
not_implemented(struct HTTPRequest *req, FILE *out)
{
dbg( "req=%p, out=%p\n", req, out );
output_common_header_fields(req, out, "501 Not Implemented");
fprintf( out, "Content-Type: text/html\r\n" );
fprintf( out, "\r\n" );
fprintf( out, "<html>\r\n" );
fprintf( out, "<header>\r\n" );
fprintf( out, "<title>501 Not Implemented</title>\r\n" );
fprintf( out, "<header>\r\n" );
fprintf( out, "<body>\r\n" );
fprintf( out, "<p>The request method %s is not implemented</p>\r\n",
req->method );
fprintf( out, "</body>\r\n" );
fprintf( out, "</html>\r\n" );
fflush(out);
}
static void do_file_response(struct HTTPRequest *req, FILE *out, char *docroot) {
struct FileInfo *info;
info = get_fileinfo(docroot, req->path);
if (!info->ok) {
free_fileinfo(info);
not_found(req, out);
return;
}
output_common_header_fields(req, out, "200 OK");
fprintf(out, "Content-Length: %ld\r\n", info->size);
fprintf(out, "Content-Type: %s\r\n", guess_content_type(info));
fprintf(out, "\r\n");
if (strcmp(req->method, "HEAD") != 0) {
int fd;
char buf[BLOCK_BUF_SIZE];
ssize_t n;
fd = open(info->path, O_RDONLY);
if (fd < 0) {
log_exit("failed to open %s: %s", info->path, strerror(errno));
}
while (1) {
n = read(fd, buf, BLOCK_BUF_SIZE);
if (n < 0) {
log_exit("failed to read %s: %s", info->path, strerror(errno));
}
if (n == 0) {
break;
}
if (fwrite(buf, n, 1, out) < 1) {
log_exit("failed to write to socket: %s", strerror(errno));
}
}
close(fd);
}
fflush(out);
free_fileinfo(info);
}
static void not_implemented(struct HTTPRequest *req, FILE *out) {
output_common_header_fields(req, out, "501 Not Implemented");
}
static void method_not_allowd(struct HTTPRequest *req, FILE *out) {
output_common_header_fields(req, out, "405 Method Not Allowed");
}
static void not_found(struct HTTPRequest *req, FILE *out) {
output_common_header_fields(req, out, "404 Not Found");
}
