Add nghttp2_check_authority as public API
This commit is contained in:
Tatsuhiro Tsujikawa
parent
db9a8f6efe
commit
77f5487a58
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@ -27,6 +27,7 @@ APIDOCS= \
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macros.rst \
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macros.rst \
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enums.rst \
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enums.rst \
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types.rst \
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types.rst \
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nghttp2_check_authority.rst \
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nghttp2_check_header_name.rst \
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nghttp2_check_header_name.rst \
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nghttp2_check_header_value.rst \
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nghttp2_check_header_value.rst \
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nghttp2_hd_deflate_bound.rst \
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nghttp2_hd_deflate_bound.rst \
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@ -4769,6 +4769,19 @@ NGHTTP2_EXTERN int nghttp2_check_header_name(const uint8_t *name, size_t len);
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*/
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*/
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NGHTTP2_EXTERN int nghttp2_check_header_value(const uint8_t *value, size_t len);
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NGHTTP2_EXTERN int nghttp2_check_header_value(const uint8_t *value, size_t len);
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/**
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* @function
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*
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* Returns nonzero if the |value| which is supposed to the value of
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* :authority or host header field is valid according to
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* https://tools.ietf.org/html/rfc3986#section-3.2
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*
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* |value| is valid if it merely consists of the allowed characters.
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* In particular, it does not check whether |value| follows the syntax
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* of authority.
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*/
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NGHTTP2_EXTERN int nghttp2_check_authority(const uint8_t *value, size_t len);
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/* HPACK API */
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/* HPACK API */
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struct nghttp2_hd_deflater;
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struct nghttp2_hd_deflater;
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@ -505,6 +505,84 @@ int nghttp2_check_header_value(const uint8_t *value, size_t len) {
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return 1;
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return 1;
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}
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}
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/* Generated by genauthroitychartbl.py */
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static char VALID_AUTHORITY_CHARS[] = {
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0 /* NUL */, 0 /* SOH */, 0 /* STX */, 0 /* ETX */,
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0 /* EOT */, 0 /* ENQ */, 0 /* ACK */, 0 /* BEL */,
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0 /* BS */, 0 /* HT */, 0 /* LF */, 0 /* VT */,
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0 /* FF */, 0 /* CR */, 0 /* SO */, 0 /* SI */,
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0 /* DLE */, 0 /* DC1 */, 0 /* DC2 */, 0 /* DC3 */,
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0 /* DC4 */, 0 /* NAK */, 0 /* SYN */, 0 /* ETB */,
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0 /* CAN */, 0 /* EM */, 0 /* SUB */, 0 /* ESC */,
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0 /* FS */, 0 /* GS */, 0 /* RS */, 0 /* US */,
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0 /* SPC */, 1 /* ! */, 0 /* " */, 0 /* # */,
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1 /* $ */, 1 /* % */, 1 /* & */, 1 /* ' */,
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1 /* ( */, 1 /* ) */, 1 /* * */, 1 /* + */,
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1 /* , */, 1 /* - */, 1 /* . */, 0 /* / */,
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1 /* 0 */, 1 /* 1 */, 1 /* 2 */, 1 /* 3 */,
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1 /* 4 */, 1 /* 5 */, 1 /* 6 */, 1 /* 7 */,
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1 /* 8 */, 1 /* 9 */, 1 /* : */, 1 /* ; */,
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0 /* < */, 1 /* = */, 0 /* > */, 0 /* ? */,
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1 /* @ */, 1 /* A */, 1 /* B */, 1 /* C */,
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1 /* D */, 1 /* E */, 1 /* F */, 1 /* G */,
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1 /* H */, 1 /* I */, 1 /* J */, 1 /* K */,
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1 /* L */, 1 /* M */, 1 /* N */, 1 /* O */,
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1 /* P */, 1 /* Q */, 1 /* R */, 1 /* S */,
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1 /* T */, 1 /* U */, 1 /* V */, 1 /* W */,
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1 /* X */, 1 /* Y */, 1 /* Z */, 1 /* [ */,
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0 /* \ */, 1 /* ] */, 0 /* ^ */, 1 /* _ */,
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0 /* ` */, 1 /* a */, 1 /* b */, 1 /* c */,
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1 /* d */, 1 /* e */, 1 /* f */, 1 /* g */,
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1 /* h */, 1 /* i */, 1 /* j */, 1 /* k */,
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1 /* l */, 1 /* m */, 1 /* n */, 1 /* o */,
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1 /* p */, 1 /* q */, 1 /* r */, 1 /* s */,
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1 /* t */, 1 /* u */, 1 /* v */, 1 /* w */,
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1 /* x */, 1 /* y */, 1 /* z */, 0 /* { */,
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0 /* | */, 0 /* } */, 1 /* ~ */, 0 /* DEL */,
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0 /* 0x80 */, 0 /* 0x81 */, 0 /* 0x82 */, 0 /* 0x83 */,
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0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */, 0 /* 0x87 */,
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0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
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0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */,
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0 /* 0x90 */, 0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */,
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0 /* 0x94 */, 0 /* 0x95 */, 0 /* 0x96 */, 0 /* 0x97 */,
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0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */, 0 /* 0x9b */,
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0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
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0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */,
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0 /* 0xa4 */, 0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */,
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0 /* 0xa8 */, 0 /* 0xa9 */, 0 /* 0xaa */, 0 /* 0xab */,
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0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */, 0 /* 0xaf */,
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0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
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0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */,
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0 /* 0xb8 */, 0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */,
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0 /* 0xbc */, 0 /* 0xbd */, 0 /* 0xbe */, 0 /* 0xbf */,
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0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */, 0 /* 0xc3 */,
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0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
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0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */,
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0 /* 0xcc */, 0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */,
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0 /* 0xd0 */, 0 /* 0xd1 */, 0 /* 0xd2 */, 0 /* 0xd3 */,
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0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */, 0 /* 0xd7 */,
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0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
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0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */,
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0 /* 0xe0 */, 0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */,
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0 /* 0xe4 */, 0 /* 0xe5 */, 0 /* 0xe6 */, 0 /* 0xe7 */,
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0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */, 0 /* 0xeb */,
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0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
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0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */,
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0 /* 0xf4 */, 0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */,
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0 /* 0xf8 */, 0 /* 0xf9 */, 0 /* 0xfa */, 0 /* 0xfb */,
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0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */, 0 /* 0xff */
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};
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int nghttp2_check_authority(const uint8_t *value, size_t len) {
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const uint8_t *last;
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for (last = value + len; value != last; ++value) {
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if (!VALID_AUTHORITY_CHARS[*value]) {
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return 0;
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}
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}
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return 1;
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}
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uint8_t *nghttp2_cpymem(uint8_t *dest, const void *src, size_t len) {
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uint8_t *nghttp2_cpymem(uint8_t *dest, const void *src, size_t len) {
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if (len == 0) {
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if (len == 0) {
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return dest;
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return dest;
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@ -305,84 +305,6 @@ static int http_response_on_header(nghttp2_stream *stream, nghttp2_hd_nv *nv,
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return 0;
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return 0;
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}
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}
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/* Generated by genauthroitychartbl.py */
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static char VALID_AUTHORITY_CHARS[] = {
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0 /* NUL */, 0 /* SOH */, 0 /* STX */, 0 /* ETX */,
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0 /* EOT */, 0 /* ENQ */, 0 /* ACK */, 0 /* BEL */,
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0 /* BS */, 0 /* HT */, 0 /* LF */, 0 /* VT */,
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0 /* FF */, 0 /* CR */, 0 /* SO */, 0 /* SI */,
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0 /* DLE */, 0 /* DC1 */, 0 /* DC2 */, 0 /* DC3 */,
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0 /* DC4 */, 0 /* NAK */, 0 /* SYN */, 0 /* ETB */,
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0 /* CAN */, 0 /* EM */, 0 /* SUB */, 0 /* ESC */,
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0 /* FS */, 0 /* GS */, 0 /* RS */, 0 /* US */,
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0 /* SPC */, 1 /* ! */, 0 /* " */, 0 /* # */,
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1 /* $ */, 1 /* % */, 1 /* & */, 1 /* ' */,
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1 /* ( */, 1 /* ) */, 1 /* * */, 1 /* + */,
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1 /* , */, 1 /* - */, 1 /* . */, 0 /* / */,
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1 /* 0 */, 1 /* 1 */, 1 /* 2 */, 1 /* 3 */,
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1 /* 4 */, 1 /* 5 */, 1 /* 6 */, 1 /* 7 */,
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1 /* 8 */, 1 /* 9 */, 1 /* : */, 1 /* ; */,
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0 /* < */, 1 /* = */, 0 /* > */, 0 /* ? */,
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1 /* @ */, 1 /* A */, 1 /* B */, 1 /* C */,
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1 /* D */, 1 /* E */, 1 /* F */, 1 /* G */,
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1 /* H */, 1 /* I */, 1 /* J */, 1 /* K */,
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1 /* L */, 1 /* M */, 1 /* N */, 1 /* O */,
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1 /* P */, 1 /* Q */, 1 /* R */, 1 /* S */,
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1 /* T */, 1 /* U */, 1 /* V */, 1 /* W */,
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1 /* X */, 1 /* Y */, 1 /* Z */, 1 /* [ */,
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0 /* \ */, 1 /* ] */, 0 /* ^ */, 1 /* _ */,
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0 /* ` */, 1 /* a */, 1 /* b */, 1 /* c */,
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1 /* d */, 1 /* e */, 1 /* f */, 1 /* g */,
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1 /* h */, 1 /* i */, 1 /* j */, 1 /* k */,
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1 /* l */, 1 /* m */, 1 /* n */, 1 /* o */,
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1 /* p */, 1 /* q */, 1 /* r */, 1 /* s */,
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1 /* t */, 1 /* u */, 1 /* v */, 1 /* w */,
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1 /* x */, 1 /* y */, 1 /* z */, 0 /* { */,
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0 /* | */, 0 /* } */, 1 /* ~ */, 0 /* DEL */,
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0 /* 0x80 */, 0 /* 0x81 */, 0 /* 0x82 */, 0 /* 0x83 */,
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0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */, 0 /* 0x87 */,
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0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
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0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */,
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0 /* 0x90 */, 0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */,
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0 /* 0x94 */, 0 /* 0x95 */, 0 /* 0x96 */, 0 /* 0x97 */,
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0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */, 0 /* 0x9b */,
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0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
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0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */,
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0 /* 0xa4 */, 0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */,
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0 /* 0xa8 */, 0 /* 0xa9 */, 0 /* 0xaa */, 0 /* 0xab */,
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0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */, 0 /* 0xaf */,
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0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
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0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */,
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0 /* 0xb8 */, 0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */,
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0 /* 0xbc */, 0 /* 0xbd */, 0 /* 0xbe */, 0 /* 0xbf */,
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0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */, 0 /* 0xc3 */,
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0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
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0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */,
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0 /* 0xcc */, 0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */,
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0 /* 0xd0 */, 0 /* 0xd1 */, 0 /* 0xd2 */, 0 /* 0xd3 */,
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0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */, 0 /* 0xd7 */,
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0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
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0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */,
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0 /* 0xe0 */, 0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */,
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0 /* 0xe4 */, 0 /* 0xe5 */, 0 /* 0xe6 */, 0 /* 0xe7 */,
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0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */, 0 /* 0xeb */,
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0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
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0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */,
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0 /* 0xf4 */, 0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */,
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0 /* 0xf8 */, 0 /* 0xf9 */, 0 /* 0xfa */, 0 /* 0xfb */,
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0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */, 0 /* 0xff */
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};
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static int check_authority(const uint8_t *value, size_t len) {
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const uint8_t *last;
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for (last = value + len; value != last; ++value) {
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if (!VALID_AUTHORITY_CHARS[*value]) {
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return 0;
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}
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}
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return 1;
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}
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static int check_scheme(const uint8_t *value, size_t len) {
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static int check_scheme(const uint8_t *value, size_t len) {
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const uint8_t *last;
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const uint8_t *last;
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if (len == 0) {
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if (len == 0) {
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@ -440,7 +362,7 @@ int nghttp2_http_on_header(nghttp2_session *session, nghttp2_stream *stream,
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if (nv->token == NGHTTP2_TOKEN__AUTHORITY ||
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if (nv->token == NGHTTP2_TOKEN__AUTHORITY ||
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nv->token == NGHTTP2_TOKEN_HOST) {
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nv->token == NGHTTP2_TOKEN_HOST) {
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rv = check_authority(nv->value->base, nv->value->len);
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rv = nghttp2_check_authority(nv->value->base, nv->value->len);
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} else if (nv->token == NGHTTP2_TOKEN__SCHEME) {
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} else if (nv->token == NGHTTP2_TOKEN__SCHEME) {
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rv = check_scheme(nv->value->base, nv->value->len);
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rv = check_scheme(nv->value->base, nv->value->len);
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} else {
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} else {
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