Include dependency graph for hpack.c:

Data Structures
struct	hpack_decoder

Functions
struct hpack_decoder *	hpack_decode_init (size_t header_table_size)

void	hpack_decode_destroy (struct hpack_decoder *dec)

static int_fast32_t	hpack_decode_int (unsigned n, const uint8_t *restrict datap, size_t restrict lengthp)
	Decodes an HPACK unsigned variable length integer. More...

static char *	hpack_decode_str_raw (const uint8_t *data, size_t length)
	Decodes a raw string literal. More...

static int	hpack_decode_byte_huffman (const uint8_t restrict end, int restrict bit_offset)

static char *	hpack_decode_str_huffman (const uint8_t *data, size_t length)
	Decodes an Huffman-encoded string literal. More...

static char *	hpack_decode_str (const uint8_t *restrict datap, size_t restrict lengthp)
	Decodes a string literal. More...

static char *	hpack_lookup_name (const struct hpack_decoder *dec, uint_fast32_t idx)

static char *	hpack_lookup_value (const struct hpack_decoder *dec, uint_fast32_t idx)

static void	hpack_decode_evict (struct hpack_decoder *dec)

static int	hpack_append_hdr (struct hpack_decoder dec, const char name, const char *value)

static int	hpack_decode_hdr_indexed (struct hpack_decoder dec, const uint8_t restrict datap, size_t restrict lengthp, char restrict namep, char restrict valuep)

static int	hpack_decode_hdr_index (struct hpack_decoder dec, const uint8_t restrict datap, size_t restrict lengthp, char restrict namep, char restrict valuep)

static int	hpack_decode_hdr_noindex (struct hpack_decoder dec, const uint8_t restrict datap, size_t restrict lengthp, char restrict namep, char restrict valuep)

static int	hpack_decode_tbl_update (struct hpack_decoder dec, const uint8_t restrict datap, size_t restrict lengthp, char restrict name, char restrict value)

static int	hpack_decode_hdr (struct hpack_decoder dec, const uint8_t restrict datap, size_t restrict lengthp, char restrict namep, char restrict valuep)

int	hpack_decode (struct hpack_decoder dec, const uint8_t data, size_t length, char *headers[][2], unsigned max)

Variables
static const char	hpack_names [][28]
	Static Table header names. More...

static const char	hpack_values [][14]
	Static Table header values. More...

Function Documentation

◆ hpack_append_hdr()

static int hpack_append_hdr	(	struct hpack_decoder *	dec,
		const char *	name,
		const char *	value
	)

static

References hpack_decoder::entries, hpack_decode_evict(), name, hpack_decoder::size, and hpack_decoder::table.

Referenced by hpack_decode_hdr_index().

◆ hpack_decode_byte_huffman()

static int hpack_decode_byte_huffman	(	const uint8_t *restrict	end,
		int *restrict	bit_offset
	)

static

References p.

Referenced by hpack_decode_str_huffman().

◆ hpack_decode_evict()

static void hpack_decode_evict ( struct hpack_decoder * dec )

static

References hpack_decoder::entries, hpack_decoder::max_size, hpack_decoder::size, and hpack_decoder::table.

Referenced by hpack_append_hdr(), and hpack_decode_tbl_update().

◆ hpack_decode_hdr()

static int hpack_decode_hdr	(	struct hpack_decoder *	dec,
		const uint8_t **restrict	datap,
		size_t *restrict	lengthp,
		char **restrict	namep,
		char **restrict	valuep
	)

static

References hpack_decode_hdr_index(), hpack_decode_hdr_indexed(), hpack_decode_hdr_noindex(), and hpack_decode_tbl_update().

Referenced by hpack_decode().

◆ hpack_decode_hdr_index()

static int hpack_decode_hdr_index	(	struct hpack_decoder *	dec,
		const uint8_t **restrict	datap,
		size_t *restrict	lengthp,
		char **restrict	namep,
		char **restrict	valuep
	)

static

References hpack_append_hdr(), hpack_decode_int(), hpack_decode_str(), hpack_lookup_name(), and name.

Referenced by hpack_decode_hdr().

◆ hpack_decode_hdr_indexed()

static int hpack_decode_hdr_indexed	(	struct hpack_decoder *	dec,
		const uint8_t **restrict	datap,
		size_t *restrict	lengthp,
		char **restrict	namep,
		char **restrict	valuep
	)

static

References hpack_decode_int(), hpack_lookup_name(), hpack_lookup_value(), and name.

Referenced by hpack_decode_hdr().

◆ hpack_decode_hdr_noindex()

static int hpack_decode_hdr_noindex	(	struct hpack_decoder *	dec,
		const uint8_t **restrict	datap,
		size_t *restrict	lengthp,
		char **restrict	namep,
		char **restrict	valuep
	)

static

References hpack_decode_int(), hpack_decode_str(), hpack_lookup_name(), and name.

Referenced by hpack_decode_hdr().

◆ hpack_decode_int()

static int_fast32_t hpack_decode_int	(	unsigned	n,
		const uint8_t **restrict	datap,
		size_t *restrict	lengthp
	)

static

Decodes an HPACK unsigned variable length integer.

Returns: the value on success, -1 on error (and sets errno).

References p.

Referenced by hpack_decode_hdr_index(), hpack_decode_hdr_indexed(), hpack_decode_hdr_noindex(), hpack_decode_str(), and hpack_decode_tbl_update().

◆ hpack_decode_str()

static char* hpack_decode_str	(	const uint8_t **restrict	datap,
		size_t *restrict	lengthp
	)

static

Decodes a string literal.

Returns: a heap-allocated nul-terminated string success, NULL on error (and sets errno).

References hpack_decode_int(), hpack_decode_str_huffman(), and hpack_decode_str_raw().

Referenced by hpack_decode_hdr_index(), and hpack_decode_hdr_noindex().

◆ hpack_decode_str_huffman()

static char* hpack_decode_str_huffman	(	const uint8_t *	data,
		size_t	length
	)

static

Decodes an Huffman-encoded string literal.

References hpack_decode_byte_huffman().

Referenced by hpack_decode_str().

◆ hpack_decode_str_raw()

static char* hpack_decode_str_raw	(	const uint8_t *	data,
		size_t	length
	)

static

Decodes a raw string literal.

Referenced by hpack_decode_str().

◆ hpack_decode_tbl_update()

static int hpack_decode_tbl_update	(	struct hpack_decoder *	dec,
		const uint8_t **restrict	datap,
		size_t *restrict	lengthp,
		char **restrict	name,
		char **restrict	value
	)

static

References hpack_decode_evict(), hpack_decode_int(), hpack_decoder::max_size, and name.

Referenced by hpack_decode_hdr().

◆ hpack_lookup_name()

static char* hpack_lookup_name	(	const struct hpack_decoder *	dec,
		uint_fast32_t	idx
	)

static

References hpack_decoder::entries, hpack_names, strdup(), and hpack_decoder::table.

Referenced by hpack_decode_hdr_index(), hpack_decode_hdr_indexed(), and hpack_decode_hdr_noindex().

◆ hpack_lookup_value()

static char* hpack_lookup_value	(	const struct hpack_decoder *	dec,
		uint_fast32_t	idx
	)

static

References hpack_decoder::entries, hpack_names, hpack_values, strdup(), and hpack_decoder::table.

Referenced by hpack_decode_hdr_indexed().

Variable Documentation

◆ hpack_names

const char hpack_names[][28]

static

Initial value:

=
{
    ":authority", ":method", ":method", ":path", ":path", ":scheme", ":scheme",
    ":status", ":status", ":status", ":status", ":status", ":status",
    ":status", "accept-charset", "accept-encoding", "accept-language",
    "accept-ranges", "accept", "access-control-allow-origin", "age", "allow",
    "authorization", "cache-control", "content-disposition",
    "content-encoding", "content-language", "content-length",
    "content-location", "content-range", "content-type", "cookie", "date",
    "etag", "expect", "expires", "from", "host", "if-match",
    "if-modified-since", "if-none-match", "if-range", "if-unmodified-since",
    "last-modified", "link", "location", "max-forwards", "proxy-authenticate",
    "proxy-authorization", "range", "referer", "refresh", "retry-after",
    "server", "set-cookie", "strict-transport-security", "transfer-encoding",
    "user-agent", "vary", "via", "www-authenticate",
}

Static Table header names.

Referenced by hpack_lookup_name(), and hpack_lookup_value().

◆ hpack_values

const char hpack_values[][14]

static

Initial value:

=
{
    "", "GET", "POST", "/", "/index.html", "http", "https", "200", "204",
    "206", "304", "400", "404", "500", "", "gzip, deflate"
}

Static Table header values.

Referenced by hpack_lookup_value().

Data Structures

Functions

Variables

Function Documentation

◆ hpack_append_hdr()

◆ hpack_decode_byte_huffman()

◆ hpack_decode_evict()

◆ hpack_decode_hdr()

◆ hpack_decode_hdr_index()

◆ hpack_decode_hdr_indexed()

◆ hpack_decode_hdr_noindex()

◆ hpack_decode_int()

◆ hpack_decode_str()

◆ hpack_decode_str_huffman()

◆ hpack_decode_str_raw()

◆ hpack_decode_tbl_update()

◆ hpack_lookup_name()

◆ hpack_lookup_value()

Variable Documentation

◆ hpack_names

◆ hpack_values