diff --git a/demo-json-rpc-server.c b/demo-json-rpc-server.c
index 8aa070b..2196217 100644
--- a/demo-json-rpc-server.c
+++ b/demo-json-rpc-server.c
@@ -25,6 +25,10 @@
 #define print_debug_data    ((void *) LOG_DEBUG)
 
 #define LIBERTY_WANT_SSL
+#define LIBERTY_WANT_PROTO_HTTP
+#define LIBERTY_WANT_PROTO_WS
+#define LIBERTY_WANT_PROTO_SCGI
+#define LIBERTY_WANT_PROTO_FASTCGI
 
 #include "config.h"
 #include "liberty/liberty.c"
@@ -42,640 +46,7 @@
 
 // --- Extensions to liberty ---------------------------------------------------
 
-// These should be incorporated into the library ASAP
-
-#define UNPACKER_INT_BEGIN                                                     \
-	if (self->len - self->offset < sizeof *value)                              \
-		return false;                                                          \
-	uint8_t *x = (uint8_t *) self->data + self->offset;                        \
-	self->offset += sizeof *value;
-
-static bool
-msg_unpacker_u16 (struct msg_unpacker *self, uint16_t *value)
-{
-	UNPACKER_INT_BEGIN
-	*value
-		= (uint16_t) x[0] << 24 | (uint16_t) x[1] << 16;
-	return true;
-}
-
-static bool
-msg_unpacker_u32 (struct msg_unpacker *self, uint32_t *value)
-{
-	UNPACKER_INT_BEGIN
-	*value
-		= (uint32_t) x[0] << 24 | (uint32_t) x[1] << 16
-		| (uint32_t) x[2] << 8  | (uint32_t) x[3];
-	return true;
-}
-
-#undef UNPACKER_INT_BEGIN
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-// "msg_writer" should be rewritten on top of this
-
-static void
-str_pack_u8 (struct str *self, uint8_t x)
-{
-	str_append_data (self, &x, 1);
-}
-
-static void
-str_pack_u16 (struct str *self, uint64_t x)
-{
-	uint8_t tmp[2] = { x >> 8, x };
-	str_append_data (self, tmp, sizeof tmp);
-}
-
-static void
-str_pack_u32 (struct str *self, uint32_t x)
-{
-	uint32_t u = x;
-	uint8_t tmp[4] = { u >> 24, u >> 16, u >> 8, u };
-	str_append_data (self, tmp, sizeof tmp);
-}
-
-static void
-str_pack_i32 (struct str *self, int32_t x)
-{
-	str_pack_u32 (self, (uint32_t) x);
-}
-
-static void
-str_pack_u64 (struct str *self, uint64_t x)
-{
-	uint8_t tmp[8] =
-		{ x >> 56, x >> 48, x >> 40, x >> 32, x >> 24, x >> 16, x >> 8, x };
-	str_append_data (self, tmp, sizeof tmp);
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-static int
-tolower_ascii (int c)
-{
-	return c >= 'A' && c <= 'Z' ? c + ('a' - 'A') : c;
-}
-
-static size_t
-tolower_ascii_strxfrm (char *dest, const char *src, size_t n)
-{
-	size_t len = strlen (src);
-	while (n-- && (*dest++ = tolower_ascii (*src++)))
-		;
-	return len;
-}
-
-static int
-strcasecmp_ascii (const char *a, const char *b)
-{
-	while (*a && tolower_ascii (*a) == tolower_ascii (*b))
-	{
-		a++;
-		b++;
-	}
-	return *(const unsigned char *) a - *(const unsigned char *) b;
-}
-
-static bool
-isspace_ascii (int c)
-{
-	return c == '\f' || c == '\n' || c == '\r' || c == '\t' || c == '\v';
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-/// Return a pointer to the next UTF-8 character, or NULL on error
-// TODO: decode the sequence while we're at it
-static const char *
-utf8_next (const char *s, size_t len)
-{
-	// End of string, we go no further
-	if (!len)
-		return NULL;
-
-	// In the middle of a character -> error
-	const uint8_t *p = (const unsigned char *) s;
-	if ((*p & 0xC0) == 0x80)
-		return NULL;
-
-	// Find out how long the sequence is
-	unsigned mask = 0xC0;
-	unsigned tail_len = 0;
-	while ((*p & mask) == mask)
-	{
-		// Invalid start of sequence
-		if (mask == 0xFE)
-			return NULL;
-
-		mask |= mask >> 1;
-		tail_len++;
-	}
-
-	p++;
-
-	// Check the rest of the sequence
-	if (tail_len > --len)
-		return NULL;
-
-	while (tail_len--)
-		if ((*p++ & 0xC0) != 0x80)
-			return NULL;
-
-	return (const char *) p;
-}
-
-/// Very rough UTF-8 validation, just makes sure codepoints can be iterated
-// TODO: also validate the codepoints
-static bool
-utf8_validate (const char *s, size_t len)
-{
-	const char *next;
-	while (len)
-	{
-		if (!(next = utf8_next (s, len)))
-			return false;
-
-		len -= next - s;
-		s = next;
-	}
-	return true;
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-static uint8_t g_base64_table[256] =
-{
-	64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
-	64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
-	64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 62, 64, 64, 64, 63,
-	52, 53, 54, 55, 56, 57, 58, 59,  60, 61, 64, 64, 64,  0, 64, 64,
-	64,  0,  1,  2,  3,  4,  5,  6,   7,  8,  9, 10, 11, 12, 13, 14,
-	15, 16, 17, 18, 19, 20, 21, 22,  23, 24, 25, 64, 64, 64, 64, 64,
-	64, 26, 27, 28, 29, 30, 31, 32,  33, 34, 35, 36, 37, 38, 39, 40,
-	41, 42, 43, 44, 45, 46, 47, 48,  49, 50, 51, 64, 64, 64, 64, 64,
-
-	64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
-	64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
-	64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
-	64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
-	64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
-	64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
-	64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
-	64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
-};
-
-static inline bool
-base64_decode_group (const char **s, bool ignore_ws, struct str *output)
-{
-	uint8_t input[4];
-	size_t loaded = 0;
-	for (; loaded < 4; (*s)++)
-	{
-		if (!**s)
-			return loaded == 0;
-		if (!ignore_ws || !isspace_ascii (**s))
-			input[loaded++] = **s;
-	}
-
-	size_t len = 3;
-	if (input[0] == '=' || input[1] == '=')
-		return false;
-	if (input[2] == '=' && input[3] != '=')
-		return false;
-	if (input[2] == '=')
-		len--;
-	if (input[3] == '=')
-		len--;
-
-	uint8_t a = g_base64_table[input[0]];
-	uint8_t b = g_base64_table[input[1]];
-	uint8_t c = g_base64_table[input[2]];
-	uint8_t d = g_base64_table[input[3]];
-
-	if (((a | b) | (c | d)) & 0x40)
-		return false;
-
-	uint32_t block = a << 18 | b << 12 | c << 6 | d;
-	switch (len)
-	{
-	case 1:
-		str_append_c (output, block >> 16);
-		break;
-	case 2:
-		str_append_c (output, block >> 16);
-		str_append_c (output, block >> 8);
-		break;
-	case 3:
-		str_append_c (output, block >> 16);
-		str_append_c (output, block >> 8);
-		str_append_c (output, block);
-	}
-	return true;
-}
-
-static bool
-base64_decode (const char *s, bool ignore_ws, struct str *output)
-{
-	while (*s)
-		if (!base64_decode_group (&s, ignore_ws, output))
-			return false;
-	return true;
-}
-
-static void
-base64_encode (const void *data, size_t len, struct str *output)
-{
-	const char *alphabet =
-		"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
-	const uint8_t *p = data;
-	size_t n_groups = len / 3;
-	size_t tail = len - n_groups * 3;
-	uint32_t group;
-
-	for (; n_groups--; p += 3)
-	{
-		group = p[0] << 16 | p[1] << 8 | p[2];
-		str_append_c (output, alphabet[(group >> 18) & 63]);
-		str_append_c (output, alphabet[(group >> 12) & 63]);
-		str_append_c (output, alphabet[(group >>  6) & 63]);
-		str_append_c (output, alphabet[ group        & 63]);
-	}
-
-	switch (tail)
-	{
-	case 2:
-		group = p[0] << 16 | p[1] << 8;
-		str_append_c (output, alphabet[(group >> 18) & 63]);
-		str_append_c (output, alphabet[(group >> 12) & 63]);
-		str_append_c (output, alphabet[(group >>  6) & 63]);
-		str_append_c (output, '=');
-		break;
-	case 1:
-		group = p[0] << 16;
-		str_append_c (output, alphabet[(group >> 18) & 63]);
-		str_append_c (output, alphabet[(group >> 12) & 63]);
-		str_append_c (output, '=');
-		str_append_c (output, '=');
-	default:
-		break;
-	}
-}
-
-// --- HTTP parsing ------------------------------------------------------------
-
-// Basic tokenizer for HTTP header field values, to be used in various parsers.
-// The input should already be unwrapped.
-
-// Recommended literature:
-//   http://tools.ietf.org/html/rfc7230#section-3.2.6
-//   http://tools.ietf.org/html/rfc7230#appendix-B
-//   http://tools.ietf.org/html/rfc5234#appendix-B.1
-
-#define HTTP_TOKENIZER_CLASS(name, definition)                                 \
-	static inline bool                                                         \
-	http_tokenizer_is_ ## name (int c)                                         \
-	{                                                                          \
-		return (definition);                                                   \
-	}
-
-HTTP_TOKENIZER_CLASS (vchar, c >= 0x21 && c <= 0x7E)
-HTTP_TOKENIZER_CLASS (delimiter, !!strchr ("\"(),/:;<=>?@[\\]{}", c))
-HTTP_TOKENIZER_CLASS (whitespace, c == '\t' || c == ' ')
-HTTP_TOKENIZER_CLASS (obs_text, c >= 0x80 && c <= 0xFF)
-
-HTTP_TOKENIZER_CLASS (tchar,
-	http_tokenizer_is_vchar (c) && !http_tokenizer_is_delimiter (c))
-
-HTTP_TOKENIZER_CLASS (qdtext,
-	c == '\t' || c == ' ' || c == '!'
-	|| (c >= 0x23 && c <= 0x5B)
-	|| (c >= 0x5D && c <= 0x7E)
-	|| http_tokenizer_is_obs_text (c))
-
-HTTP_TOKENIZER_CLASS (quoted_pair,
-	c == '\t' || c == ' '
-	|| http_tokenizer_is_vchar (c)
-	|| http_tokenizer_is_obs_text (c))
-
-#undef HTTP_TOKENIZER_CLASS
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-enum http_tokenizer_token
-{
-	HTTP_T_EOF,                         ///< Input error
-	HTTP_T_ERROR,                       ///< End of input
-
-	HTTP_T_TOKEN,                       ///< "token"
-	HTTP_T_QUOTED_STRING,               ///< "quoted-string"
-	HTTP_T_DELIMITER,                   ///< "delimiters"
-	HTTP_T_WHITESPACE                   ///< RWS/OWS/BWS
-};
-
-struct http_tokenizer
-{
-	const unsigned char *input;         ///< The input string
-	size_t input_len;                   ///< Length of the input
-	size_t offset;                      ///< Position in the input
-
-	char delimiter;                     ///< The delimiter character
-	struct str string;                  ///< "token" / "quoted-string" content
-};
-
-static void
-http_tokenizer_init (struct http_tokenizer *self, const char *input, size_t len)
-{
-	memset (self, 0, sizeof *self);
-	self->input = (const unsigned char *) input;
-	self->input_len = len;
-
-	str_init (&self->string);
-}
-
-static void
-http_tokenizer_free (struct http_tokenizer *self)
-{
-	str_free (&self->string);
-}
-
-static enum http_tokenizer_token
-http_tokenizer_quoted_string (struct http_tokenizer *self)
-{
-	bool quoted_pair = false;
-	while (self->offset < self->input_len)
-	{
-		int c = self->input[self->offset++];
-		if (quoted_pair)
-		{
-			if (!http_tokenizer_is_quoted_pair (c))
-				return HTTP_T_ERROR;
-
-			str_append_c (&self->string, c);
-			quoted_pair = false;
-		}
-		else if (c == '\\')
-			quoted_pair = true;
-		else if (c == '"')
-			return HTTP_T_QUOTED_STRING;
-		else if (http_tokenizer_is_qdtext (c))
-			str_append_c (&self->string, c);
-		else
-			return HTTP_T_ERROR;
-	}
-
-	// Premature end of input
-	return HTTP_T_ERROR;
-}
-
-static enum http_tokenizer_token
-http_tokenizer_next (struct http_tokenizer *self, bool skip_ows)
-{
-	str_reset (&self->string);
-	if (self->offset >= self->input_len)
-		return HTTP_T_EOF;
-
-	int c = self->input[self->offset++];
-
-	if (skip_ows)
-		while (http_tokenizer_is_whitespace (c))
-		{
-			if (self->offset >= self->input_len)
-				return HTTP_T_EOF;
-			c = self->input[self->offset++];
-		}
-
-	if (c == '"')
-		return http_tokenizer_quoted_string (self);
-
-	if (http_tokenizer_is_delimiter (c))
-	{
-		self->delimiter = c;
-		return HTTP_T_DELIMITER;
-	}
-
-	// Simple variable-length tokens
-	enum http_tokenizer_token result;
-	bool (*eater) (int c) = NULL;
-	if (http_tokenizer_is_whitespace (c))
-	{
-		eater = http_tokenizer_is_whitespace;
-		result = HTTP_T_WHITESPACE;
-	}
-	else if (http_tokenizer_is_tchar (c))
-	{
-		eater = http_tokenizer_is_tchar;
-		result = HTTP_T_TOKEN;
-	}
-	else
-		return HTTP_T_ERROR;
-
-	str_append_c (&self->string, c);
-	while (self->offset < self->input_len)
-	{
-		if (!eater (c = self->input[self->offset]))
-			break;
-
-		str_append_c (&self->string, c);
-		self->offset++;
-	}
-	return result;
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-static bool
-http_parse_media_type_parameter
-	(struct http_tokenizer *t, struct str_map *parameters)
-{
-	bool result = false;
-	char *attribute = NULL;
-
-	if (http_tokenizer_next (t, true) != HTTP_T_TOKEN)
-		goto end;
-	attribute = xstrdup (t->string.str);
-
-	if (http_tokenizer_next (t, false) != HTTP_T_DELIMITER
-	 || t->delimiter != '=')
-		goto end;
-
-	switch (http_tokenizer_next (t, false))
-	{
-	case HTTP_T_TOKEN:
-	case HTTP_T_QUOTED_STRING:
-		str_map_set (parameters, attribute, xstrdup (t->string.str));
-		result = true;
-	default:
-		break;
-	}
-
-end:
-	free (attribute);
-	return result;
-}
-
-/// Parser for "Content-Type".  @a type and @a subtype may be non-NULL
-/// even if the function fails.  @a parameters should be case-insensitive.
-static bool
-http_parse_media_type (const char *media_type,
-	char **type, char **subtype, struct str_map *parameters)
-{
-	bool result = false;
-	struct http_tokenizer t;
-	http_tokenizer_init (&t, media_type, strlen (media_type));
-
-	if (http_tokenizer_next (&t, true) != HTTP_T_TOKEN)
-		goto end;
-	*type = xstrdup (t.string.str);
-
-	if (http_tokenizer_next (&t, false) != HTTP_T_DELIMITER
-	 || t.delimiter != '/')
-		goto end;
-
-	if (http_tokenizer_next (&t, false) != HTTP_T_TOKEN)
-		goto end;
-	*subtype = xstrdup (t.string.str);
-
-	while (true)
-	switch (http_tokenizer_next (&t, true))
-	{
-	case HTTP_T_DELIMITER:
-		if (t.delimiter != ';')
-			goto end;
-		if (!http_parse_media_type_parameter (&t, parameters))
-			goto end;
-		break;
-	case HTTP_T_EOF:
-		result = true;
-	default:
-		goto end;
-	}
-
-end:
-	http_tokenizer_free (&t);
-	return result;
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-struct http_protocol
-{
-	LIST_HEADER (struct http_protocol)
-
-	char *name;                         ///< The protocol to upgrade to
-	char *version;                      ///< Version of the protocol, if any
-};
-
-static void
-http_protocol_destroy (struct http_protocol *self)
-{
-	free (self->name);
-	free (self->version);
-	free (self);
-}
-
-static bool
-http_parse_upgrade (const char *upgrade, struct http_protocol **out)
-{
-	// HTTP grammar makes this more complicated than it should be
-
-	bool result = false;
-	struct http_protocol *list = NULL;
-	struct http_protocol *tail = NULL;
-
-	struct http_tokenizer t;
-	http_tokenizer_init (&t, upgrade, strlen (upgrade));
-
-	enum {
-		STATE_PROTOCOL_NAME,
-		STATE_SLASH,
-		STATE_PROTOCOL_VERSION,
-		STATE_EXPECT_COMMA
-	} state = STATE_PROTOCOL_NAME;
-	struct http_protocol *proto = NULL;
-
-	while (true)
-	switch (state)
-	{
-	case STATE_PROTOCOL_NAME:
-		switch (http_tokenizer_next (&t, false))
-		{
-		case HTTP_T_DELIMITER:
-			if (t.delimiter != ',')
-				goto end;
-		case HTTP_T_WHITESPACE:
-			break;
-		case HTTP_T_TOKEN:
-			proto = xcalloc (1, sizeof *proto);
-			proto->name = xstrdup (t.string.str);
-			LIST_APPEND_WITH_TAIL (list, tail, proto);
-			state = STATE_SLASH;
-			break;
-		case HTTP_T_EOF:
-			result = true;
-		default:
-			goto end;
-		}
-		break;
-	case STATE_SLASH:
-		switch (http_tokenizer_next (&t, false))
-		{
-		case HTTP_T_DELIMITER:
-			if (t.delimiter == '/')
-				state = STATE_PROTOCOL_VERSION;
-			else if (t.delimiter == ',')
-				state = STATE_PROTOCOL_NAME;
-			else
-				goto end;
-			break;
-		case HTTP_T_WHITESPACE:
-			state = STATE_EXPECT_COMMA;
-			break;
-		case HTTP_T_EOF:
-			result = true;
-		default:
-			goto end;
-		}
-		break;
-	case STATE_PROTOCOL_VERSION:
-		switch (http_tokenizer_next (&t, false))
-		{
-		case HTTP_T_TOKEN:
-			proto->version = xstrdup (t.string.str);
-			state = STATE_EXPECT_COMMA;
-			break;
-		default:
-			goto end;
-		}
-		break;
-	case STATE_EXPECT_COMMA:
-		switch (http_tokenizer_next (&t, false))
-		{
-		case HTTP_T_DELIMITER:
-			if (t.delimiter != ',')
-				goto end;
-			state = STATE_PROTOCOL_NAME;
-		case HTTP_T_WHITESPACE:
-			break;
-		case HTTP_T_EOF:
-			result = true;
-		default:
-			goto end;
-		}
-	}
-
-end:
-	if (result)
-		*out = list;
-	else
-		LIST_FOR_EACH (struct http_protocol, iter, list)
-			http_protocol_destroy (iter);
-
-	http_tokenizer_free (&t);
-	return result;
-}
+// Currently in sync, nothing to be moved.
 
 // --- libev helpers -----------------------------------------------------------
 
@@ -730,322 +101,6 @@ log_message_syslog (void *user_data, const char *quote, const char *fmt,
 
 // --- FastCGI -----------------------------------------------------------------
 
-// Constants from the FastCGI specification document
-
-#define FCGI_HEADER_LEN       8
-
-#define FCGI_VERSION_1        1
-#define FCGI_NULL_REQUEST_ID  0
-#define FCGI_KEEP_CONN        1
-
-enum fcgi_type
-{
-	FCGI_BEGIN_REQUEST     =  1,
-	FCGI_ABORT_REQUEST     =  2,
-	FCGI_END_REQUEST       =  3,
-	FCGI_PARAMS            =  4,
-	FCGI_STDIN             =  5,
-	FCGI_STDOUT            =  6,
-	FCGI_STDERR            =  7,
-	FCGI_DATA              =  8,
-	FCGI_GET_VALUES        =  9,
-	FCGI_GET_VALUES_RESULT = 10,
-	FCGI_UNKNOWN_TYPE      = 11,
-	FCGI_MAXTYPE           = FCGI_UNKNOWN_TYPE
-};
-
-enum fcgi_role
-{
-	FCGI_RESPONDER         =  1,
-	FCGI_AUTHORIZER        =  2,
-	FCGI_FILTER            =  3
-};
-
-enum fcgi_protocol_status
-{
-	FCGI_REQUEST_COMPLETE  =  0,
-	FCGI_CANT_MPX_CONN     =  1,
-	FCGI_OVERLOADED        =  2,
-	FCGI_UNKNOWN_ROLE      =  3
-};
-
-#define FCGI_MAX_CONNS   "FCGI_MAX_CONNS"
-#define FCGI_MAX_REQS    "FCGI_MAX_REQS"
-#define FCGI_MPXS_CONNS  "FCGI_MPXS_CONNS"
-
-// - - Message stream parser - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-struct fcgi_parser;
-
-typedef void (*fcgi_message_fn)
-	(const struct fcgi_parser *parser, void *user_data);
-
-enum fcgi_parser_state
-{
-	FCGI_READING_HEADER,                ///< Reading the fixed header portion
-	FCGI_READING_CONTENT,               ///< Reading the message content
-	FCGI_READING_PADDING                ///< Reading the padding
-};
-
-struct fcgi_parser
-{
-	enum fcgi_parser_state state;       ///< Parsing state
-	struct str input;                   ///< Input buffer
-
-	// The next block of fields is considered public:
-
-	uint8_t version;                    ///< FastCGI protocol version
-	uint8_t type;                       ///< FastCGI record type
-	uint16_t request_id;                ///< FastCGI request ID
-	struct str content;                 ///< Message data
-
-	uint16_t content_length;            ///< Message content length
-	uint8_t padding_length;             ///< Message padding length
-
-	fcgi_message_fn on_message;         ///< Callback on message
-	void *user_data;                    ///< User data
-};
-
-static void
-fcgi_parser_init (struct fcgi_parser *self)
-{
-	memset (self, 0, sizeof *self);
-	str_init (&self->input);
-	str_init (&self->content);
-}
-
-static void
-fcgi_parser_free (struct fcgi_parser *self)
-{
-	str_free (&self->input);
-	str_free (&self->content);
-}
-
-static void
-fcgi_parser_unpack_header (struct fcgi_parser *self)
-{
-	struct msg_unpacker unpacker;
-	msg_unpacker_init (&unpacker, self->input.str, self->input.len);
-
-	bool success = true;
-	uint8_t reserved;
-	success &= msg_unpacker_u8  (&unpacker, &self->version);
-	success &= msg_unpacker_u8  (&unpacker, &self->type);
-	success &= msg_unpacker_u16 (&unpacker, &self->request_id);
-	success &= msg_unpacker_u16 (&unpacker, &self->content_length);
-	success &= msg_unpacker_u8  (&unpacker, &self->padding_length);
-	success &= msg_unpacker_u8  (&unpacker, &reserved);
-	hard_assert (success);
-
-	str_remove_slice (&self->input, 0, unpacker.offset);
-}
-
-static void
-fcgi_parser_push (struct fcgi_parser *self, const void *data, size_t len)
-{
-	// This could be made considerably faster for high-throughput applications
-	// if we use a circular buffer instead of constantly calling memmove()
-	str_append_data (&self->input, data, len);
-
-	while (true)
-	switch (self->state)
-	{
-	case FCGI_READING_HEADER:
-		if (self->input.len < FCGI_HEADER_LEN)
-			return;
-
-		fcgi_parser_unpack_header (self);
-		self->state = FCGI_READING_CONTENT;
-		break;
-	case FCGI_READING_CONTENT:
-		if (self->input.len < self->content_length)
-			return;
-
-		// Move an appropriate part of the input buffer to the content buffer
-		str_reset (&self->content);
-		str_append_data (&self->content, self->input.str, self->content_length);
-		str_remove_slice (&self->input, 0, self->content_length);
-		self->state = FCGI_READING_PADDING;
-		break;
-	case FCGI_READING_PADDING:
-		if (self->input.len < self->padding_length)
-			return;
-
-		// Call the callback to further process the message
-		self->on_message (self, self->user_data);
-
-		// Remove the padding from the input buffer
-		str_remove_slice (&self->input, 0, self->padding_length);
-		self->state = FCGI_READING_HEADER;
-		break;
-	}
-}
-
-// - - Name-value pair parser  - - - - - - - - - - - - - - - - - - - - - - - - -
-
-enum fcgi_nv_parser_state
-{
-	FCGI_NV_PARSER_NAME_LEN,            ///< The first name length octet
-	FCGI_NV_PARSER_NAME_LEN_FULL,       ///< Remaining name length octets
-	FCGI_NV_PARSER_VALUE_LEN,           ///< The first value length octet
-	FCGI_NV_PARSER_VALUE_LEN_FULL,      ///< Remaining value length octets
-	FCGI_NV_PARSER_NAME,                ///< Reading the name
-	FCGI_NV_PARSER_VALUE                ///< Reading the value
-};
-
-struct fcgi_nv_parser
-{
-	struct str_map *output;             ///< Where the pairs will be stored
-
-	enum fcgi_nv_parser_state state;    ///< Parsing state
-	struct str input;                   ///< Input buffer
-
-	uint32_t name_len;                  ///< Length of the name
-	uint32_t value_len;                 ///< Length of the value
-
-	char *name;                         ///< The current name, 0-terminated
-	char *value;                        ///< The current value, 0-terminated
-};
-
-static void
-fcgi_nv_parser_init (struct fcgi_nv_parser *self)
-{
-	memset (self, 0, sizeof *self);
-	str_init (&self->input);
-}
-
-static void
-fcgi_nv_parser_free (struct fcgi_nv_parser *self)
-{
-	str_free (&self->input);
-	free (self->name);
-	free (self->value);
-}
-
-static void
-fcgi_nv_parser_push (struct fcgi_nv_parser *self, const void *data, size_t len)
-{
-	// This could be optimized significantly; I'm not even trying
-	str_append_data (&self->input, data, len);
-
-	while (true)
-	{
-		struct msg_unpacker unpacker;
-		msg_unpacker_init (&unpacker, self->input.str, self->input.len);
-
-	switch (self->state)
-	{
-		uint8_t len;
-		uint32_t len_full;
-
-	case FCGI_NV_PARSER_NAME_LEN:
-		if (!msg_unpacker_u8 (&unpacker, &len))
-			return;
-
-		if (len >> 7)
-			self->state = FCGI_NV_PARSER_NAME_LEN_FULL;
-		else
-		{
-			self->name_len = len;
-			str_remove_slice (&self->input, 0, unpacker.offset);
-			self->state = FCGI_NV_PARSER_VALUE_LEN;
-		}
-		break;
-	case FCGI_NV_PARSER_NAME_LEN_FULL:
-		if (!msg_unpacker_u32 (&unpacker, &len_full))
-			return;
-
-		self->name_len = len_full & ~(1U << 31);
-		str_remove_slice (&self->input, 0, unpacker.offset);
-		self->state = FCGI_NV_PARSER_VALUE_LEN;
-		break;
-	case FCGI_NV_PARSER_VALUE_LEN:
-		if (!msg_unpacker_u8 (&unpacker, &len))
-			return;
-
-		if (len >> 7)
-			self->state = FCGI_NV_PARSER_VALUE_LEN_FULL;
-		else
-		{
-			self->value_len = len;
-			str_remove_slice (&self->input, 0, unpacker.offset);
-			self->state = FCGI_NV_PARSER_NAME;
-		}
-		break;
-	case FCGI_NV_PARSER_VALUE_LEN_FULL:
-		if (!msg_unpacker_u32 (&unpacker, &len_full))
-			return;
-
-		self->value_len = len_full & ~(1U << 31);
-		str_remove_slice (&self->input, 0, unpacker.offset);
-		self->state = FCGI_NV_PARSER_NAME;
-		break;
-	case FCGI_NV_PARSER_NAME:
-		if (self->input.len < self->name_len)
-			return;
-
-		self->name = xmalloc (self->name_len + 1);
-		self->name[self->name_len] = '\0';
-		memcpy (self->name, self->input.str, self->name_len);
-		str_remove_slice (&self->input, 0, self->name_len);
-		self->state = FCGI_NV_PARSER_VALUE;
-		break;
-	case FCGI_NV_PARSER_VALUE:
-		if (self->input.len < self->value_len)
-			return;
-
-		self->value = xmalloc (self->value_len + 1);
-		self->value[self->value_len] = '\0';
-		memcpy (self->value, self->input.str, self->value_len);
-		str_remove_slice (&self->input, 0, self->value_len);
-		self->state = FCGI_NV_PARSER_NAME_LEN;
-
-		// The map takes ownership of the value
-		str_map_set (self->output, self->name, self->value);
-		free (self->name);
-
-		self->name  = NULL;
-		self->value = NULL;
-		break;
-	}
-	}
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-static void
-fcgi_nv_convert_len (size_t len, struct str *output)
-{
-	if (len < 0x80)
-		str_pack_u8 (output, len);
-	else
-	{
-		len |= (uint32_t) 1 << 31;
-		str_pack_u32 (output, len);
-	}
-}
-
-static void
-fcgi_nv_convert (struct str_map *map, struct str *output)
-{
-	struct str_map_iter iter;
-	str_map_iter_init (&iter, map);
-	while (str_map_iter_next (&iter))
-	{
-		const char *name  = iter.link->key;
-		const char *value = iter.link->data;
-		size_t name_len   = iter.link->key_length;
-		size_t value_len  = strlen (value);
-
-		fcgi_nv_convert_len (name_len,  output);
-		fcgi_nv_convert_len (value_len, output);
-		str_append_data (output, name,  name_len);
-		str_append_data (output, value, value_len);
-	}
-}
-
-// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
 enum fcgi_request_state
 {
 	FCGI_REQUEST_PARAMS,                ///< Reading headers
@@ -1401,408 +456,8 @@ fcgi_muxer_push (struct fcgi_muxer *self, const void *data, size_t len)
 	fcgi_parser_push (&self->parser, data, len);
 }
 
-// --- SCGI --------------------------------------------------------------------
-
-enum scgi_parser_state
-{
-	SCGI_READING_NETSTRING_LENGTH,      ///< The length of the header netstring
-	SCGI_READING_NAME,                  ///< Header name
-	SCGI_READING_VALUE,                 ///< Header value
-	SCGI_READING_CONTENT                ///< Incoming data
-};
-
-struct scgi_parser
-{
-	enum scgi_parser_state state;       ///< Parsing state
-	struct str input;                   ///< Input buffer
-
-	struct str_map headers;             ///< Headers parsed
-
-	size_t headers_len;                 ///< Length of the netstring contents
-	struct str name;                    ///< Header name so far
-	struct str value;                   ///< Header value so far
-
-	/// Finished parsing request headers.
-	/// Return false to abort further processing of input.
-	bool (*on_headers_read) (void *user_data);
-
-	/// Content available; len == 0 means end of file.
-	/// Return false to abort further processing of input.
-	bool (*on_content) (void *user_data, const void *data, size_t len);
-
-	void *user_data;                    ///< User data passed to callbacks
-};
-
-static void
-scgi_parser_init (struct scgi_parser *self)
-{
-	memset (self, 0, sizeof *self);
-
-	str_init (&self->input);
-	str_map_init (&self->headers);
-	self->headers.free = free;
-	str_init (&self->name);
-	str_init (&self->value);
-}
-
-static void
-scgi_parser_free (struct scgi_parser *self)
-{
-	str_free (&self->input);
-	str_map_free (&self->headers);
-	str_free (&self->name);
-	str_free (&self->value);
-}
-
-static bool
-scgi_parser_push (struct scgi_parser *self,
-	const void *data, size_t len, struct error **e)
-{
-	if (!len)
-	{
-		if (self->state != SCGI_READING_CONTENT)
-		{
-			error_set (e, "premature EOF");
-			return false;
-		}
-
-		// Indicate end of file
-		return self->on_content (self->user_data, NULL, 0);
-	}
-
-	// Notice that this madness is significantly harder to parse than FastCGI;
-	// this procedure could also be optimized significantly
-	str_append_data (&self->input, data, len);
-
-	bool keep_running = true;
-	while (keep_running)
-	switch (self->state)
-	{
-	case SCGI_READING_NETSTRING_LENGTH:
-	{
-		if (self->input.len < 1)
-			return true;
-
-		char digit = *self->input.str;
-		// XXX: this allows for omitting the netstring length altogether
-		if (digit == ':')
-		{
-			self->state = SCGI_READING_NAME;
-			break;
-		}
-
-		if (digit < '0' || digit >= '9')
-		{
-			error_set (e, "invalid header netstring");
-			return false;
-		}
-
-		size_t new_len = self->headers_len * 10 + (digit - '0');
-		if (new_len < self->headers_len)
-		{
-			error_set (e, "header netstring is too long");
-			return false;
-		}
-		self->headers_len = new_len;
-		str_remove_slice (&self->input, 0, 1);
-		break;
-	}
-	case SCGI_READING_NAME:
-	{
-		if (self->input.len < 1)
-			return true;
-
-		char c = *self->input.str;
-		if (!self->headers_len)
-		{
-			// The netstring is ending but we haven't finished parsing it,
-			// or the netstring doesn't end with a comma
-			if (self->name.len || c != ',')
-			{
-				error_set (e, "invalid header netstring");
-				return false;
-			}
-			self->state = SCGI_READING_CONTENT;
-			keep_running = self->on_headers_read (self->user_data);
-		}
-		else if (c != '\0')
-			str_append_c (&self->name, c);
-		else
-			self->state = SCGI_READING_VALUE;
-
-		str_remove_slice (&self->input, 0, 1);
-		break;
-	}
-	case SCGI_READING_VALUE:
-	{
-		if (self->input.len < 1)
-			return true;
-
-		char c = *self->input.str;
-		if (!self->headers_len)
-		{
-			// The netstring is ending but we haven't finished parsing it
-			error_set (e, "invalid header netstring");
-			return false;
-		}
-		else if (c != '\0')
-			str_append_c (&self->value, c);
-		else
-		{
-			// We've got a name-value pair, let's put it in the map
-			str_map_set (&self->headers,
-				self->name.str, str_steal (&self->value));
-
-			str_reset (&self->name);
-			str_init (&self->value);
-
-			self->state = SCGI_READING_NAME;
-		}
-
-		str_remove_slice (&self->input, 0, 1);
-		break;
-	}
-	case SCGI_READING_CONTENT:
-		keep_running = self->on_content
-			(self->user_data, self->input.str, self->input.len);
-		str_remove_slice (&self->input, 0, self->input.len);
-		return keep_running;
-	}
-	return false;
-}
-
 // --- WebSockets --------------------------------------------------------------
 
-#define WS_GUID "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"
-
-#define SEC_WS_KEY         "Sec-WebSocket-Key"
-#define SEC_WS_ACCEPT      "Sec-WebSocket-Accept"
-#define SEC_WS_PROTOCOL    "Sec-WebSocket-Protocol"
-#define SEC_WS_EXTENSIONS  "Sec-WebSocket-Extensions"
-#define SEC_WS_VERSION     "Sec-WebSocket-Version"
-
-#define WS_MAX_CONTROL_PAYLOAD_LEN  125
-
-static char *
-ws_encode_response_key (const char *key)
-{
-	char *response_key = xstrdup_printf ("%s" WS_GUID, key);
-	unsigned char hash[SHA_DIGEST_LENGTH];
-	SHA1 ((unsigned char *) response_key, strlen (response_key), hash);
-	free (response_key);
-
-	struct str base64;
-	str_init (&base64);
-	base64_encode (hash, sizeof hash, &base64);
-	return str_steal (&base64);
-}
-
-enum ws_status
-{
-	// Named according to the meaning specified in RFC 6455, section 11.2
-
-	WS_STATUS_NORMAL_CLOSURE         = 1000,
-	WS_STATUS_GOING_AWAY             = 1001,
-	WS_STATUS_PROTOCOL_ERROR         = 1002,
-	WS_STATUS_UNSUPPORTED_DATA       = 1003,
-	WS_STATUS_INVALID_PAYLOAD_DATA   = 1007,
-	WS_STATUS_POLICY_VIOLATION       = 1008,
-	WS_STATUS_MESSAGE_TOO_BIG        = 1009,
-	WS_STATUS_MANDATORY_EXTENSION    = 1010,
-	WS_STATUS_INTERNAL_SERVER_ERROR  = 1011,
-
-	// Reserved for internal usage
-	WS_STATUS_NO_STATUS_RECEIVED     = 1005,
-	WS_STATUS_ABNORMAL_CLOSURE       = 1006,
-	WS_STATUS_TLS_HANDSHAKE          = 1015
-};
-
-// - - Frame parser  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-enum ws_parser_state
-{
-	WS_PARSER_FIXED,                    ///< Parsing fixed length part
-	WS_PARSER_PAYLOAD_LEN_16,           ///< Parsing extended payload length
-	WS_PARSER_PAYLOAD_LEN_64,           ///< Parsing extended payload length
-	WS_PARSER_MASK,                     ///< Parsing masking-key
-	WS_PARSER_PAYLOAD                   ///< Parsing payload
-};
-
-enum ws_opcode
-{
-	// Non-control
-	WS_OPCODE_CONT   =  0,
-	WS_OPCODE_TEXT   =  1,
-	WS_OPCODE_BINARY =  2,
-
-	// Control
-	WS_OPCODE_CLOSE  =  8,
-	WS_OPCODE_PING   =  9,
-	WS_OPCODE_PONG   = 10
-};
-
-static bool
-ws_is_control_frame (int opcode)
-{
-	return opcode >= WS_OPCODE_CLOSE;
-}
-
-struct ws_parser
-{
-	struct str input;                   ///< External input buffer
-	enum ws_parser_state state;         ///< Parsing state
-
-	unsigned is_fin     : 1;            ///< Final frame of a message?
-	unsigned is_masked  : 1;            ///< Is the frame masked?
-	unsigned reserved_1 : 1;            ///< Reserved
-	unsigned reserved_2 : 1;            ///< Reserved
-	unsigned reserved_3 : 1;            ///< Reserved
-	enum ws_opcode opcode;              ///< Opcode
-	uint32_t mask;                      ///< Frame mask
-	uint64_t payload_len;               ///< Payload length
-
-	bool (*on_frame_header) (void *user_data, const struct ws_parser *self);
-
-	/// Callback for when a message is successfully parsed.
-	/// The actual payload is stored in "input", of length "payload_len".
-	bool (*on_frame) (void *user_data, const struct ws_parser *self);
-
-	void *user_data;                    ///< User data for callbacks
-};
-
-static void
-ws_parser_init (struct ws_parser *self)
-{
-	memset (self, 0, sizeof *self);
-	str_init (&self->input);
-}
-
-static void
-ws_parser_free (struct ws_parser *self)
-{
-	str_free (&self->input);
-}
-
-static void
-ws_parser_unmask (struct ws_parser *self)
-{
-	// This could be made faster.  For example by reading the mask in
-	// native byte ordering and applying it directly here.
-
-	uint64_t end = self->payload_len & ~(uint64_t) 3;
-	for (uint64_t i = 0; i < end; i += 4)
-	{
-		self->input.str[i + 3] ^=  self->mask        & 0xFF;
-		self->input.str[i + 2] ^= (self->mask >>  8) & 0xFF;
-		self->input.str[i + 1] ^= (self->mask >> 16) & 0xFF;
-		self->input.str[i    ] ^= (self->mask >> 24) & 0xFF;
-	}
-
-	switch (self->payload_len - end)
-	{
-	case 3:
-		self->input.str[end + 2] ^= (self->mask >>  8) & 0xFF;
-	case 2:
-		self->input.str[end + 1] ^= (self->mask >> 16) & 0xFF;
-	case 1:
-		self->input.str[end    ] ^= (self->mask >> 24) & 0xFF;
-		break;
-	}
-}
-
-static bool
-ws_parser_push (struct ws_parser *self, const void *data, size_t len)
-{
-	bool success = false;
-	str_append_data (&self->input, data, len);
-
-	struct msg_unpacker unpacker;
-	msg_unpacker_init (&unpacker, self->input.str, self->input.len);
-
-	while (true)
-	switch (self->state)
-	{
-		uint8_t u8;
-		uint16_t u16;
-
-	case WS_PARSER_FIXED:
-		if (unpacker.len - unpacker.offset < 2)
-			goto need_data;
-
-		(void) msg_unpacker_u8 (&unpacker, &u8);
-		self->is_fin      = (u8 >> 7) &   1;
-		self->reserved_1  = (u8 >> 6) &   1;
-		self->reserved_2  = (u8 >> 5) &   1;
-		self->reserved_3  = (u8 >> 4) &   1;
-		self->opcode      =  u8       &  15;
-
-		(void) msg_unpacker_u8 (&unpacker, &u8);
-		self->is_masked   = (u8 >> 7) &   1;
-		self->payload_len =  u8       & 127;
-
-		if (self->payload_len == 127)
-			self->state = WS_PARSER_PAYLOAD_LEN_64;
-		else if (self->payload_len == 126)
-			self->state = WS_PARSER_PAYLOAD_LEN_16;
-		else
-			self->state = WS_PARSER_MASK;
-		break;
-
-	case WS_PARSER_PAYLOAD_LEN_16:
-		if (!msg_unpacker_u16 (&unpacker, &u16))
-			goto need_data;
-		self->payload_len = u16;
-
-		self->state = WS_PARSER_MASK;
-		break;
-
-	case WS_PARSER_PAYLOAD_LEN_64:
-		if (!msg_unpacker_u64 (&unpacker, &self->payload_len))
-			goto need_data;
-
-		self->state = WS_PARSER_MASK;
-		break;
-
-	case WS_PARSER_MASK:
-		if (!self->is_masked)
-			goto end_of_header;
-		if (!msg_unpacker_u32 (&unpacker, &self->mask))
-			goto need_data;
-
-	end_of_header:
-		self->state = WS_PARSER_PAYLOAD;
-		if (!self->on_frame_header (self->user_data, self))
-			goto fail;
-		break;
-
-	case WS_PARSER_PAYLOAD:
-		// Move the buffer so that payload data is at the front
-		str_remove_slice (&self->input, 0, unpacker.offset);
-
-		// And continue unpacking frames past the payload
-		msg_unpacker_init (&unpacker, self->input.str, self->input.len);
-		unpacker.offset = self->payload_len;
-
-		if (self->input.len < self->payload_len)
-			goto need_data;
-		if (self->is_masked)
-			ws_parser_unmask (self);
-		if (!self->on_frame (self->user_data, self))
-			goto fail;
-
-		self->state = WS_PARSER_FIXED;
-		break;
-	}
-
-need_data:
-	success = true;
-fail:
-	str_remove_slice (&self->input, 0, unpacker.offset);
-	return success;
-}
-
-// - - Server handler  - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
 // WebSockets aren't CGI-compatible, therefore we must handle the initial HTTP
 // handshake ourselves.  Luckily it's not too much of a bother with http-parser.
 // Typically there will be a normal HTTP server in front of us, proxying the
@@ -2016,7 +671,7 @@ ws_handler_on_frame (void *user_data, const struct ws_parser *parser)
 	}
 
 	bool result = self->on_message (self->user_data, self->message_opcode,
-		self->parser.input.str, self->parser.payload_len);
+		self->message_data.str, self->message_data.len);
 	str_reset (&self->message_data);
 	return result;
 }
@@ -3643,152 +2298,6 @@ lock_pid_file (struct server_context *ctx, struct error **e)
 
 // --- Tests -------------------------------------------------------------------
 
-static void
-test_utf8 (void)
-{
-	const char valid  [] = "2H₂ + O₂ ⇌ 2H₂O, R = 4.7 kΩ, ⌀ 200 mm";
-	const char invalid[] = "\xf0\x90\x28\xbc";
-	soft_assert ( utf8_validate (valid,   sizeof valid));
-	soft_assert (!utf8_validate (invalid, sizeof invalid));
-}
-
-static void
-test_base64 (void)
-{
-	char data[65];
-	for (size_t i = 0; i < N_ELEMENTS (data); i++)
-		data[i] = i;
-
-	struct str encoded;  str_init (&encoded);
-	struct str decoded;  str_init (&decoded);
-
-	base64_encode (data, sizeof data, &encoded);
-	soft_assert (base64_decode (encoded.str, false, &decoded));
-	soft_assert (decoded.len == sizeof data);
-	soft_assert (!memcmp (decoded.str, data, sizeof data));
-
-	str_free (&encoded);
-	str_free (&decoded);
-}
-
-static void
-test_http_parser (void)
-{
-	struct str_map parameters;
-	str_map_init (&parameters);
-	parameters.key_xfrm = tolower_ascii_strxfrm;
-
-	char *type = NULL;
-	char *subtype = NULL;
-	soft_assert (http_parse_media_type ("TEXT/html; CHARset=\"utf\\-8\"",
-		&type, &subtype, &parameters));
-	soft_assert (!strcasecmp_ascii (type, "text"));
-	soft_assert (!strcasecmp_ascii (subtype, "html"));
-	soft_assert (parameters.len == 1);
-	soft_assert (!strcmp (str_map_find (&parameters, "charset"), "utf-8"));
-	str_map_free (&parameters);
-
-	struct http_protocol *protocols;
-	soft_assert (http_parse_upgrade ("websocket, HTTP/2.0, , ", &protocols));
-
-	soft_assert (!strcmp (protocols->name, "websocket"));
-	soft_assert (!protocols->version);
-
-	soft_assert (!strcmp (protocols->next->name, "HTTP"));
-	soft_assert (!strcmp (protocols->next->version, "2.0"));
-
-	soft_assert (!protocols->next->next);
-
-	LIST_FOR_EACH (struct http_protocol, iter, protocols)
-		http_protocol_destroy (iter);
-}
-
-static bool
-test_scgi_parser_on_headers_read (void *user_data)
-{
-	struct scgi_parser *parser = user_data;
-	soft_assert (parser->headers.len == 4);
-	soft_assert (!strcmp (str_map_find (&parser->headers,
-		"CONTENT_LENGTH"), "27"));
-	soft_assert (!strcmp (str_map_find (&parser->headers,
-		"SCGI"), "1"));
-	soft_assert (!strcmp (str_map_find (&parser->headers,
-		"REQUEST_METHOD"), "POST"));
-	soft_assert (!strcmp (str_map_find (&parser->headers,
-		"REQUEST_URI"), "/deepthought"));
-	return true;
-}
-
-static bool
-test_scgi_parser_on_content (void *user_data, const void *data, size_t len)
-{
-	(void) user_data;
-	soft_assert (!strncmp (data, "What is the answer to life?", len));
-	return true;
-}
-
-static void
-test_scgi_parser (void)
-{
-	struct scgi_parser parser;
-	scgi_parser_init (&parser);
-	parser.on_headers_read = test_scgi_parser_on_headers_read;
-	parser.on_content      = test_scgi_parser_on_content;
-	parser.user_data       = &parser;
-
-	// This is an example straight from the specification
-	const char example[] =
-		"70:"
-			"CONTENT_LENGTH" "\0" "27" "\0"
-			"SCGI" "\0" "1" "\0"
-			"REQUEST_METHOD" "\0" "POST" "\0"
-			"REQUEST_URI" "\0" "/deepthought" "\0"
-		","
-		"What is the answer to life?";
-
-	soft_assert (scgi_parser_push (&parser, example, sizeof example, NULL));
-	scgi_parser_free (&parser);
-}
-
-static bool
-test_websockets_on_frame_header (void *user_data, const struct ws_parser *self)
-{
-	(void) user_data;
-	soft_assert (self->is_fin);
-	soft_assert (self->is_masked);
-	soft_assert (self->opcode == WS_OPCODE_TEXT);
-	return true;
-}
-
-static bool
-test_websockets_on_frame (void *user_data, const struct ws_parser *self)
-{
-	(void) user_data;
-	soft_assert (self->input.len == self->payload_len);
-	soft_assert (!strncmp (self->input.str, "Hello", self->input.len));
-	return true;
-}
-
-static void
-test_websockets (void)
-{
-	char *accept = ws_encode_response_key ("dGhlIHNhbXBsZSBub25jZQ==");
-	soft_assert (!strcmp (accept, "s3pPLMBiTxaQ9kYGzzhZRbK+xOo="));
-	free (accept);
-
-	struct ws_parser parser;
-	ws_parser_init (&parser);
-	parser.on_frame_header = test_websockets_on_frame_header;
-	parser.on_frame        = test_websockets_on_frame;
-	parser.user_data       = &parser;
-
-	const char frame[] = "\x81\x85\x37\xfa\x21\x3d\x7f\x9f\x4d\x51\x58";
-	soft_assert (ws_parser_push (&parser, frame, sizeof frame - 1));
-	ws_parser_free (&parser);
-
-	// TODO: test the server handler (happy path)
-}
-
 static void
 test_misc (void)
 {
@@ -3808,15 +2317,10 @@ test_main (int argc, char *argv[])
 	struct test test;
 	test_init (&test, argc, argv);
 
-	test_add_simple (&test, "/utf-8",       NULL, test_utf8);
-	test_add_simple (&test, "/base64",      NULL, test_base64);
-	test_add_simple (&test, "/http-parser", NULL, test_http_parser);
-	test_add_simple (&test, "/scgi-parser", NULL, test_scgi_parser);
-	test_add_simple (&test, "/websockets",  NULL, test_websockets);
-
 	test_add_simple (&test, "/misc",        NULL, test_misc);
 
 	// TODO: write more tests
+	// TODO: test the server handler (happy path)
 
 	return test_run (&test);
 }
diff --git a/liberty b/liberty
index 0876458..8c6d187 160000
--- a/liberty
+++ b/liberty
@@ -1 +1 @@
-Subproject commit 087645848baec5e59e4296817850bd5dd240cbb2
+Subproject commit 8c6d18757d2d4135963f3dbab6d2d5ec8c8b6af3