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-rw-r--r--lib/nghttp3_http.c1654
1 files changed, 1654 insertions, 0 deletions
diff --git a/lib/nghttp3_http.c b/lib/nghttp3_http.c
new file mode 100644
index 0000000..29af976
--- /dev/null
+++ b/lib/nghttp3_http.c
@@ -0,0 +1,1654 @@
+/*
+ * nghttp3
+ *
+ * Copyright (c) 2019 nghttp3 contributors
+ * Copyright (c) 2015 nghttp2 contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "nghttp3_http.h"
+
+#include <string.h>
+#include <assert.h>
+
+#include "nghttp3_stream.h"
+#include "nghttp3_macro.h"
+#include "nghttp3_conv.h"
+#include "nghttp3_unreachable.h"
+
+static uint8_t downcase(uint8_t c) {
+ return 'A' <= c && c <= 'Z' ? (uint8_t)(c - 'A' + 'a') : c;
+}
+
+/*
+ * memieq returns 1 if the data pointed by |a| of length |n| equals to
+ * |b| of the same length in case-insensitive manner. The data
+ * pointed by |a| must not include upper cased letters (A-Z).
+ */
+static int memieq(const void *a, const void *b, size_t n) {
+ size_t i;
+ const uint8_t *aa = a, *bb = b;
+
+ for (i = 0; i < n; ++i) {
+ if (aa[i] != downcase(bb[i])) {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+#define lstrieq(A, B, N) ((sizeof((A)) - 1) == (N) && memieq((A), (B), (N)))
+
+static int64_t parse_uint(const uint8_t *s, size_t len) {
+ int64_t n = 0;
+ size_t i;
+ if (len == 0) {
+ return -1;
+ }
+ for (i = 0; i < len; ++i) {
+ if ('0' <= s[i] && s[i] <= '9') {
+ if (n > INT64_MAX / 10) {
+ return -1;
+ }
+ n *= 10;
+ if (n > INT64_MAX - (s[i] - '0')) {
+ return -1;
+ }
+ n += s[i] - '0';
+ continue;
+ }
+ return -1;
+ }
+ return n;
+}
+
+static int check_pseudo_header(nghttp3_http_state *http,
+ const nghttp3_qpack_nv *nv, uint32_t flag) {
+ if ((http->flags & flag) || nv->value->len == 0) {
+ return 0;
+ }
+ http->flags |= flag;
+ return 1;
+}
+
+static int expect_response_body(nghttp3_http_state *http) {
+ return (http->flags & NGHTTP3_HTTP_FLAG_METH_HEAD) == 0 &&
+ http->status_code / 100 != 1 && http->status_code != 304 &&
+ http->status_code != 204;
+}
+
+/* For "http" or "https" URIs, OPTIONS request may have "*" in :path
+ header field to represent system-wide OPTIONS request. Otherwise,
+ :path header field value must start with "/". This function must
+ be called after ":method" header field was received. This function
+ returns nonzero if path is valid.*/
+static int check_path_flags(nghttp3_http_state *http) {
+ return (http->flags & NGHTTP3_HTTP_FLAG_SCHEME_HTTP) == 0 ||
+ ((http->flags & NGHTTP3_HTTP_FLAG_PATH_REGULAR) ||
+ ((http->flags & NGHTTP3_HTTP_FLAG_METH_OPTIONS) &&
+ (http->flags & NGHTTP3_HTTP_FLAG_PATH_ASTERISK)));
+}
+
+/* Generated by genchartbl.py */
+static const int SF_KEY_CHARS[] = {
+ 0 /* NUL */, 0 /* SOH */, 0 /* STX */, 0 /* ETX */, 0 /* EOT */,
+ 0 /* ENQ */, 0 /* ACK */, 0 /* BEL */, 0 /* BS */, 0 /* HT */,
+ 0 /* LF */, 0 /* VT */, 0 /* FF */, 0 /* CR */, 0 /* SO */,
+ 0 /* SI */, 0 /* DLE */, 0 /* DC1 */, 0 /* DC2 */, 0 /* DC3 */,
+ 0 /* DC4 */, 0 /* NAK */, 0 /* SYN */, 0 /* ETB */, 0 /* CAN */,
+ 0 /* EM */, 0 /* SUB */, 0 /* ESC */, 0 /* FS */, 0 /* GS */,
+ 0 /* RS */, 0 /* US */, 0 /* SPC */, 0 /* ! */, 0 /* " */,
+ 0 /* # */, 0 /* $ */, 0 /* % */, 0 /* & */, 0 /* ' */,
+ 0 /* ( */, 0 /* ) */, 1 /* * */, 0 /* + */, 0 /* , */,
+ 1 /* - */, 1 /* . */, 0 /* / */, 1 /* 0 */, 1 /* 1 */,
+ 1 /* 2 */, 1 /* 3 */, 1 /* 4 */, 1 /* 5 */, 1 /* 6 */,
+ 1 /* 7 */, 1 /* 8 */, 1 /* 9 */, 0 /* : */, 0 /* ; */,
+ 0 /* < */, 0 /* = */, 0 /* > */, 0 /* ? */, 0 /* @ */,
+ 0 /* A */, 0 /* B */, 0 /* C */, 0 /* D */, 0 /* E */,
+ 0 /* F */, 0 /* G */, 0 /* H */, 0 /* I */, 0 /* J */,
+ 0 /* K */, 0 /* L */, 0 /* M */, 0 /* N */, 0 /* O */,
+ 0 /* P */, 0 /* Q */, 0 /* R */, 0 /* S */, 0 /* T */,
+ 0 /* U */, 0 /* V */, 0 /* W */, 0 /* X */, 0 /* Y */,
+ 0 /* Z */, 0 /* [ */, 0 /* \ */, 0 /* ] */, 0 /* ^ */,
+ 1 /* _ */, 0 /* ` */, 1 /* a */, 1 /* b */, 1 /* c */,
+ 1 /* d */, 1 /* e */, 1 /* f */, 1 /* g */, 1 /* h */,
+ 1 /* i */, 1 /* j */, 1 /* k */, 1 /* l */, 1 /* m */,
+ 1 /* n */, 1 /* o */, 1 /* p */, 1 /* q */, 1 /* r */,
+ 1 /* s */, 1 /* t */, 1 /* u */, 1 /* v */, 1 /* w */,
+ 1 /* x */, 1 /* y */, 1 /* z */, 0 /* { */, 0 /* | */,
+ 0 /* } */, 0 /* ~ */, 0 /* DEL */, 0 /* 0x80 */, 0 /* 0x81 */,
+ 0 /* 0x82 */, 0 /* 0x83 */, 0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */,
+ 0 /* 0x87 */, 0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
+ 0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */, 0 /* 0x90 */,
+ 0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */, 0 /* 0x94 */, 0 /* 0x95 */,
+ 0 /* 0x96 */, 0 /* 0x97 */, 0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */,
+ 0 /* 0x9b */, 0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
+ 0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */, 0 /* 0xa4 */,
+ 0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */, 0 /* 0xa8 */, 0 /* 0xa9 */,
+ 0 /* 0xaa */, 0 /* 0xab */, 0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */,
+ 0 /* 0xaf */, 0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
+ 0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */, 0 /* 0xb8 */,
+ 0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */, 0 /* 0xbc */, 0 /* 0xbd */,
+ 0 /* 0xbe */, 0 /* 0xbf */, 0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */,
+ 0 /* 0xc3 */, 0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
+ 0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */, 0 /* 0xcc */,
+ 0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */, 0 /* 0xd0 */, 0 /* 0xd1 */,
+ 0 /* 0xd2 */, 0 /* 0xd3 */, 0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */,
+ 0 /* 0xd7 */, 0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
+ 0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */, 0 /* 0xe0 */,
+ 0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */, 0 /* 0xe4 */, 0 /* 0xe5 */,
+ 0 /* 0xe6 */, 0 /* 0xe7 */, 0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */,
+ 0 /* 0xeb */, 0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
+ 0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */, 0 /* 0xf4 */,
+ 0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */, 0 /* 0xf8 */, 0 /* 0xf9 */,
+ 0 /* 0xfa */, 0 /* 0xfb */, 0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */,
+ 0 /* 0xff */,
+};
+
+static nghttp3_ssize sf_parse_key(const uint8_t *begin, const uint8_t *end) {
+ const uint8_t *p = begin;
+
+ if ((*p < 'a' || 'z' < *p) && *p != '*') {
+ return -1;
+ }
+
+ for (; p != end && SF_KEY_CHARS[*p]; ++p)
+ ;
+
+ return p - begin;
+}
+
+static nghttp3_ssize sf_parse_integer_or_decimal(nghttp3_sf_value *dest,
+ const uint8_t *begin,
+ const uint8_t *end) {
+ const uint8_t *p = begin;
+ int sign = 1;
+ int64_t value = 0;
+ int type = NGHTTP3_SF_VALUE_TYPE_INTEGER;
+ size_t len = 0;
+ size_t fpos = 0;
+ size_t i;
+
+ if (*p == '-') {
+ if (++p == end) {
+ return -1;
+ }
+
+ sign = -1;
+ }
+
+ if (*p < '0' || '9' < *p) {
+ return -1;
+ }
+
+ for (; p != end; ++p) {
+ switch (*p) {
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ value *= 10;
+ value += *p - '0';
+
+ if (++len > 15) {
+ return -1;
+ }
+
+ break;
+ case '.':
+ if (type != NGHTTP3_SF_VALUE_TYPE_INTEGER) {
+ goto fin;
+ }
+
+ if (len > 12) {
+ return -1;
+ }
+ fpos = len;
+ type = NGHTTP3_SF_VALUE_TYPE_DECIMAL;
+
+ break;
+ default:
+ goto fin;
+ };
+ }
+
+fin:
+ switch (type) {
+ case NGHTTP3_SF_VALUE_TYPE_INTEGER:
+ if (dest) {
+ dest->type = (uint8_t)type;
+ dest->i = value * sign;
+ }
+
+ return p - begin;
+ case NGHTTP3_SF_VALUE_TYPE_DECIMAL:
+ if (fpos == len || len - fpos > 3) {
+ return -1;
+ }
+
+ if (dest) {
+ dest->type = (uint8_t)type;
+ dest->d = (double)value;
+ for (i = len - fpos; i > 0; --i) {
+ dest->d /= (double)10;
+ }
+ dest->d *= sign;
+ }
+
+ return p - begin;
+ default:
+ nghttp3_unreachable();
+ }
+}
+
+/* Generated by genchartbl.py */
+static const int SF_DQUOTE_CHARS[] = {
+ 0 /* NUL */, 0 /* SOH */, 0 /* STX */, 0 /* ETX */, 0 /* EOT */,
+ 0 /* ENQ */, 0 /* ACK */, 0 /* BEL */, 0 /* BS */, 0 /* HT */,
+ 0 /* LF */, 0 /* VT */, 0 /* FF */, 0 /* CR */, 0 /* SO */,
+ 0 /* SI */, 0 /* DLE */, 0 /* DC1 */, 0 /* DC2 */, 0 /* DC3 */,
+ 0 /* DC4 */, 0 /* NAK */, 0 /* SYN */, 0 /* ETB */, 0 /* CAN */,
+ 0 /* EM */, 0 /* SUB */, 0 /* ESC */, 0 /* FS */, 0 /* GS */,
+ 0 /* RS */, 0 /* US */, 1 /* SPC */, 1 /* ! */, 0 /* " */,
+ 1 /* # */, 1 /* $ */, 1 /* % */, 1 /* & */, 1 /* ' */,
+ 1 /* ( */, 1 /* ) */, 1 /* * */, 1 /* + */, 1 /* , */,
+ 1 /* - */, 1 /* . */, 1 /* / */, 1 /* 0 */, 1 /* 1 */,
+ 1 /* 2 */, 1 /* 3 */, 1 /* 4 */, 1 /* 5 */, 1 /* 6 */,
+ 1 /* 7 */, 1 /* 8 */, 1 /* 9 */, 1 /* : */, 1 /* ; */,
+ 1 /* < */, 1 /* = */, 1 /* > */, 1 /* ? */, 1 /* @ */,
+ 1 /* A */, 1 /* B */, 1 /* C */, 1 /* D */, 1 /* E */,
+ 1 /* F */, 1 /* G */, 1 /* H */, 1 /* I */, 1 /* J */,
+ 1 /* K */, 1 /* L */, 1 /* M */, 1 /* N */, 1 /* O */,
+ 1 /* P */, 1 /* Q */, 1 /* R */, 1 /* S */, 1 /* T */,
+ 1 /* U */, 1 /* V */, 1 /* W */, 1 /* X */, 1 /* Y */,
+ 1 /* Z */, 1 /* [ */, 0 /* \ */, 1 /* ] */, 1 /* ^ */,
+ 1 /* _ */, 1 /* ` */, 1 /* a */, 1 /* b */, 1 /* c */,
+ 1 /* d */, 1 /* e */, 1 /* f */, 1 /* g */, 1 /* h */,
+ 1 /* i */, 1 /* j */, 1 /* k */, 1 /* l */, 1 /* m */,
+ 1 /* n */, 1 /* o */, 1 /* p */, 1 /* q */, 1 /* r */,
+ 1 /* s */, 1 /* t */, 1 /* u */, 1 /* v */, 1 /* w */,
+ 1 /* x */, 1 /* y */, 1 /* z */, 1 /* { */, 1 /* | */,
+ 1 /* } */, 1 /* ~ */, 0 /* DEL */, 0 /* 0x80 */, 0 /* 0x81 */,
+ 0 /* 0x82 */, 0 /* 0x83 */, 0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */,
+ 0 /* 0x87 */, 0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
+ 0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */, 0 /* 0x90 */,
+ 0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */, 0 /* 0x94 */, 0 /* 0x95 */,
+ 0 /* 0x96 */, 0 /* 0x97 */, 0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */,
+ 0 /* 0x9b */, 0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
+ 0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */, 0 /* 0xa4 */,
+ 0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */, 0 /* 0xa8 */, 0 /* 0xa9 */,
+ 0 /* 0xaa */, 0 /* 0xab */, 0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */,
+ 0 /* 0xaf */, 0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
+ 0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */, 0 /* 0xb8 */,
+ 0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */, 0 /* 0xbc */, 0 /* 0xbd */,
+ 0 /* 0xbe */, 0 /* 0xbf */, 0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */,
+ 0 /* 0xc3 */, 0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
+ 0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */, 0 /* 0xcc */,
+ 0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */, 0 /* 0xd0 */, 0 /* 0xd1 */,
+ 0 /* 0xd2 */, 0 /* 0xd3 */, 0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */,
+ 0 /* 0xd7 */, 0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
+ 0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */, 0 /* 0xe0 */,
+ 0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */, 0 /* 0xe4 */, 0 /* 0xe5 */,
+ 0 /* 0xe6 */, 0 /* 0xe7 */, 0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */,
+ 0 /* 0xeb */, 0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
+ 0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */, 0 /* 0xf4 */,
+ 0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */, 0 /* 0xf8 */, 0 /* 0xf9 */,
+ 0 /* 0xfa */, 0 /* 0xfb */, 0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */,
+ 0 /* 0xff */,
+};
+
+static nghttp3_ssize sf_parse_string(nghttp3_sf_value *dest,
+ const uint8_t *begin, const uint8_t *end) {
+ const uint8_t *p = begin;
+
+ if (*p++ != '"') {
+ return -1;
+ }
+
+ for (; p != end; ++p) {
+ switch (*p) {
+ case '\\':
+ if (++p == end) {
+ return -1;
+ }
+
+ switch (*p) {
+ case '"':
+ case '\\':
+ break;
+ default:
+ return -1;
+ }
+
+ break;
+ case '"':
+ if (dest) {
+ dest->type = NGHTTP3_SF_VALUE_TYPE_STRING;
+ dest->s.base = begin + 1;
+ dest->s.len = (size_t)(p - dest->s.base);
+ }
+
+ ++p;
+
+ return p - begin;
+ default:
+ if (!SF_DQUOTE_CHARS[*p]) {
+ return -1;
+ }
+ }
+ }
+
+ return -1;
+}
+
+/* Generated by genchartbl.py */
+static const int SF_TOKEN_CHARS[] = {
+ 0 /* NUL */, 0 /* SOH */, 0 /* STX */, 0 /* ETX */, 0 /* EOT */,
+ 0 /* ENQ */, 0 /* ACK */, 0 /* BEL */, 0 /* BS */, 0 /* HT */,
+ 0 /* LF */, 0 /* VT */, 0 /* FF */, 0 /* CR */, 0 /* SO */,
+ 0 /* SI */, 0 /* DLE */, 0 /* DC1 */, 0 /* DC2 */, 0 /* DC3 */,
+ 0 /* DC4 */, 0 /* NAK */, 0 /* SYN */, 0 /* ETB */, 0 /* CAN */,
+ 0 /* EM */, 0 /* SUB */, 0 /* ESC */, 0 /* FS */, 0 /* GS */,
+ 0 /* RS */, 0 /* US */, 0 /* SPC */, 1 /* ! */, 0 /* " */,
+ 1 /* # */, 1 /* $ */, 1 /* % */, 1 /* & */, 1 /* ' */,
+ 0 /* ( */, 0 /* ) */, 1 /* * */, 1 /* + */, 0 /* , */,
+ 1 /* - */, 1 /* . */, 1 /* / */, 1 /* 0 */, 1 /* 1 */,
+ 1 /* 2 */, 1 /* 3 */, 1 /* 4 */, 1 /* 5 */, 1 /* 6 */,
+ 1 /* 7 */, 1 /* 8 */, 1 /* 9 */, 1 /* : */, 0 /* ; */,
+ 0 /* < */, 0 /* = */, 0 /* > */, 0 /* ? */, 0 /* @ */,
+ 1 /* A */, 1 /* B */, 1 /* C */, 1 /* D */, 1 /* E */,
+ 1 /* F */, 1 /* G */, 1 /* H */, 1 /* I */, 1 /* J */,
+ 1 /* K */, 1 /* L */, 1 /* M */, 1 /* N */, 1 /* O */,
+ 1 /* P */, 1 /* Q */, 1 /* R */, 1 /* S */, 1 /* T */,
+ 1 /* U */, 1 /* V */, 1 /* W */, 1 /* X */, 1 /* Y */,
+ 1 /* Z */, 0 /* [ */, 0 /* \ */, 0 /* ] */, 1 /* ^ */,
+ 1 /* _ */, 1 /* ` */, 1 /* a */, 1 /* b */, 1 /* c */,
+ 1 /* d */, 1 /* e */, 1 /* f */, 1 /* g */, 1 /* h */,
+ 1 /* i */, 1 /* j */, 1 /* k */, 1 /* l */, 1 /* m */,
+ 1 /* n */, 1 /* o */, 1 /* p */, 1 /* q */, 1 /* r */,
+ 1 /* s */, 1 /* t */, 1 /* u */, 1 /* v */, 1 /* w */,
+ 1 /* x */, 1 /* y */, 1 /* z */, 0 /* { */, 1 /* | */,
+ 0 /* } */, 1 /* ~ */, 0 /* DEL */, 0 /* 0x80 */, 0 /* 0x81 */,
+ 0 /* 0x82 */, 0 /* 0x83 */, 0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */,
+ 0 /* 0x87 */, 0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
+ 0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */, 0 /* 0x90 */,
+ 0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */, 0 /* 0x94 */, 0 /* 0x95 */,
+ 0 /* 0x96 */, 0 /* 0x97 */, 0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */,
+ 0 /* 0x9b */, 0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
+ 0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */, 0 /* 0xa4 */,
+ 0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */, 0 /* 0xa8 */, 0 /* 0xa9 */,
+ 0 /* 0xaa */, 0 /* 0xab */, 0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */,
+ 0 /* 0xaf */, 0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
+ 0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */, 0 /* 0xb8 */,
+ 0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */, 0 /* 0xbc */, 0 /* 0xbd */,
+ 0 /* 0xbe */, 0 /* 0xbf */, 0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */,
+ 0 /* 0xc3 */, 0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
+ 0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */, 0 /* 0xcc */,
+ 0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */, 0 /* 0xd0 */, 0 /* 0xd1 */,
+ 0 /* 0xd2 */, 0 /* 0xd3 */, 0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */,
+ 0 /* 0xd7 */, 0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
+ 0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */, 0 /* 0xe0 */,
+ 0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */, 0 /* 0xe4 */, 0 /* 0xe5 */,
+ 0 /* 0xe6 */, 0 /* 0xe7 */, 0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */,
+ 0 /* 0xeb */, 0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
+ 0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */, 0 /* 0xf4 */,
+ 0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */, 0 /* 0xf8 */, 0 /* 0xf9 */,
+ 0 /* 0xfa */, 0 /* 0xfb */, 0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */,
+ 0 /* 0xff */,
+};
+
+static nghttp3_ssize sf_parse_token(nghttp3_sf_value *dest,
+ const uint8_t *begin, const uint8_t *end) {
+ const uint8_t *p = begin;
+
+ if ((*p < 'A' || 'Z' < *p) && (*p < 'a' || 'z' < *p) && *p != '*') {
+ return -1;
+ }
+
+ for (; p != end && SF_TOKEN_CHARS[*p]; ++p)
+ ;
+
+ if (dest) {
+ dest->type = NGHTTP3_SF_VALUE_TYPE_TOKEN;
+ dest->s.base = begin;
+ dest->s.len = (size_t)(p - begin);
+ }
+
+ return p - begin;
+}
+
+/* Generated by genchartbl.py */
+static const int SF_BYTESEQ_CHARS[] = {
+ 0 /* NUL */, 0 /* SOH */, 0 /* STX */, 0 /* ETX */, 0 /* EOT */,
+ 0 /* ENQ */, 0 /* ACK */, 0 /* BEL */, 0 /* BS */, 0 /* HT */,
+ 0 /* LF */, 0 /* VT */, 0 /* FF */, 0 /* CR */, 0 /* SO */,
+ 0 /* SI */, 0 /* DLE */, 0 /* DC1 */, 0 /* DC2 */, 0 /* DC3 */,
+ 0 /* DC4 */, 0 /* NAK */, 0 /* SYN */, 0 /* ETB */, 0 /* CAN */,
+ 0 /* EM */, 0 /* SUB */, 0 /* ESC */, 0 /* FS */, 0 /* GS */,
+ 0 /* RS */, 0 /* US */, 0 /* SPC */, 0 /* ! */, 0 /* " */,
+ 0 /* # */, 0 /* $ */, 0 /* % */, 0 /* & */, 0 /* ' */,
+ 0 /* ( */, 0 /* ) */, 0 /* * */, 1 /* + */, 0 /* , */,
+ 0 /* - */, 0 /* . */, 1 /* / */, 1 /* 0 */, 1 /* 1 */,
+ 1 /* 2 */, 1 /* 3 */, 1 /* 4 */, 1 /* 5 */, 1 /* 6 */,
+ 1 /* 7 */, 1 /* 8 */, 1 /* 9 */, 0 /* : */, 0 /* ; */,
+ 0 /* < */, 1 /* = */, 0 /* > */, 0 /* ? */, 0 /* @ */,
+ 1 /* A */, 1 /* B */, 1 /* C */, 1 /* D */, 1 /* E */,
+ 1 /* F */, 1 /* G */, 1 /* H */, 1 /* I */, 1 /* J */,
+ 1 /* K */, 1 /* L */, 1 /* M */, 1 /* N */, 1 /* O */,
+ 1 /* P */, 1 /* Q */, 1 /* R */, 1 /* S */, 1 /* T */,
+ 1 /* U */, 1 /* V */, 1 /* W */, 1 /* X */, 1 /* Y */,
+ 1 /* Z */, 0 /* [ */, 0 /* \ */, 0 /* ] */, 0 /* ^ */,
+ 0 /* _ */, 0 /* ` */, 1 /* a */, 1 /* b */, 1 /* c */,
+ 1 /* d */, 1 /* e */, 1 /* f */, 1 /* g */, 1 /* h */,
+ 1 /* i */, 1 /* j */, 1 /* k */, 1 /* l */, 1 /* m */,
+ 1 /* n */, 1 /* o */, 1 /* p */, 1 /* q */, 1 /* r */,
+ 1 /* s */, 1 /* t */, 1 /* u */, 1 /* v */, 1 /* w */,
+ 1 /* x */, 1 /* y */, 1 /* z */, 0 /* { */, 0 /* | */,
+ 0 /* } */, 0 /* ~ */, 0 /* DEL */, 0 /* 0x80 */, 0 /* 0x81 */,
+ 0 /* 0x82 */, 0 /* 0x83 */, 0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */,
+ 0 /* 0x87 */, 0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
+ 0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */, 0 /* 0x90 */,
+ 0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */, 0 /* 0x94 */, 0 /* 0x95 */,
+ 0 /* 0x96 */, 0 /* 0x97 */, 0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */,
+ 0 /* 0x9b */, 0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
+ 0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */, 0 /* 0xa4 */,
+ 0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */, 0 /* 0xa8 */, 0 /* 0xa9 */,
+ 0 /* 0xaa */, 0 /* 0xab */, 0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */,
+ 0 /* 0xaf */, 0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
+ 0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */, 0 /* 0xb8 */,
+ 0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */, 0 /* 0xbc */, 0 /* 0xbd */,
+ 0 /* 0xbe */, 0 /* 0xbf */, 0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */,
+ 0 /* 0xc3 */, 0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
+ 0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */, 0 /* 0xcc */,
+ 0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */, 0 /* 0xd0 */, 0 /* 0xd1 */,
+ 0 /* 0xd2 */, 0 /* 0xd3 */, 0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */,
+ 0 /* 0xd7 */, 0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
+ 0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */, 0 /* 0xe0 */,
+ 0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */, 0 /* 0xe4 */, 0 /* 0xe5 */,
+ 0 /* 0xe6 */, 0 /* 0xe7 */, 0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */,
+ 0 /* 0xeb */, 0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
+ 0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */, 0 /* 0xf4 */,
+ 0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */, 0 /* 0xf8 */, 0 /* 0xf9 */,
+ 0 /* 0xfa */, 0 /* 0xfb */, 0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */,
+ 0 /* 0xff */,
+};
+
+static nghttp3_ssize sf_parse_byteseq(nghttp3_sf_value *dest,
+ const uint8_t *begin,
+ const uint8_t *end) {
+ const uint8_t *p = begin;
+
+ if (*p++ != ':') {
+ return -1;
+ }
+
+ for (; p != end; ++p) {
+ switch (*p) {
+ case ':':
+ if (dest) {
+ dest->type = NGHTTP3_SF_VALUE_TYPE_BYTESEQ;
+ dest->s.base = begin + 1;
+ dest->s.len = (size_t)(p - dest->s.base);
+ }
+
+ ++p;
+
+ return p - begin;
+ default:
+ if (!SF_BYTESEQ_CHARS[*p]) {
+ return -1;
+ }
+ }
+ }
+
+ return -1;
+}
+
+static nghttp3_ssize sf_parse_boolean(nghttp3_sf_value *dest,
+ const uint8_t *begin,
+ const uint8_t *end) {
+ const uint8_t *p = begin;
+ int b;
+
+ if (*p++ != '?') {
+ return -1;
+ }
+
+ if (p == end) {
+ return -1;
+ }
+
+ switch (*p++) {
+ case '0':
+ b = 0;
+ break;
+ case '1':
+ b = 1;
+ break;
+ default:
+ return -1;
+ }
+
+ if (dest) {
+ dest->type = NGHTTP3_SF_VALUE_TYPE_BOOLEAN;
+ dest->b = b;
+ }
+
+ return p - begin;
+}
+
+static nghttp3_ssize sf_parse_bare_item(nghttp3_sf_value *dest,
+ const uint8_t *begin,
+ const uint8_t *end) {
+ switch (*begin) {
+ case '-':
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ return sf_parse_integer_or_decimal(dest, begin, end);
+ case '"':
+ return sf_parse_string(dest, begin, end);
+ case '*':
+ return sf_parse_token(dest, begin, end);
+ case ':':
+ return sf_parse_byteseq(dest, begin, end);
+ case '?':
+ return sf_parse_boolean(dest, begin, end);
+ default:
+ if (('A' <= *begin && *begin <= 'Z') || ('a' <= *begin && *begin <= 'z')) {
+ return sf_parse_token(dest, begin, end);
+ }
+ return -1;
+ }
+}
+
+#define sf_discard_sp_end_err(BEGIN, END, ERR) \
+ for (;; ++(BEGIN)) { \
+ if ((BEGIN) == (END)) { \
+ return (ERR); \
+ } \
+ if (*(BEGIN) != ' ') { \
+ break; \
+ } \
+ }
+
+static nghttp3_ssize sf_parse_params(const uint8_t *begin, const uint8_t *end) {
+ const uint8_t *p = begin;
+ nghttp3_ssize slen;
+
+ for (; p != end && *p == ';';) {
+ ++p;
+
+ sf_discard_sp_end_err(p, end, -1);
+
+ slen = sf_parse_key(p, end);
+ if (slen < 0) {
+ return -1;
+ }
+
+ p += slen;
+
+ if (p == end || *p != '=') {
+ /* Boolean true */
+ } else if (++p == end) {
+ return -1;
+ } else {
+ slen = sf_parse_bare_item(NULL, p, end);
+ if (slen < 0) {
+ return -1;
+ }
+
+ p += slen;
+ }
+ }
+
+ return p - begin;
+}
+
+static nghttp3_ssize sf_parse_item(nghttp3_sf_value *dest, const uint8_t *begin,
+ const uint8_t *end) {
+ const uint8_t *p = begin;
+ nghttp3_ssize slen;
+
+ slen = sf_parse_bare_item(dest, p, end);
+ if (slen < 0) {
+ return -1;
+ }
+
+ p += slen;
+
+ slen = sf_parse_params(p, end);
+ if (slen < 0) {
+ return -1;
+ }
+
+ p += slen;
+
+ return p - begin;
+}
+
+nghttp3_ssize nghttp3_sf_parse_item(nghttp3_sf_value *dest,
+ const uint8_t *begin, const uint8_t *end) {
+ return sf_parse_item(dest, begin, end);
+}
+
+static nghttp3_ssize sf_parse_inner_list(nghttp3_sf_value *dest,
+ const uint8_t *begin,
+ const uint8_t *end) {
+ const uint8_t *p = begin;
+ nghttp3_ssize slen;
+
+ if (*p++ != '(') {
+ return -1;
+ }
+
+ for (;;) {
+ sf_discard_sp_end_err(p, end, -1);
+
+ if (*p == ')') {
+ ++p;
+
+ slen = sf_parse_params(p, end);
+ if (slen < 0) {
+ return -1;
+ }
+
+ p += slen;
+
+ if (dest) {
+ dest->type = NGHTTP3_SF_VALUE_TYPE_INNER_LIST;
+ }
+
+ return p - begin;
+ }
+
+ slen = sf_parse_item(NULL, p, end);
+ if (slen < 0) {
+ return -1;
+ }
+
+ p += slen;
+
+ if (p == end || (*p != ' ' && *p != ')')) {
+ return -1;
+ }
+ }
+}
+
+nghttp3_ssize nghttp3_sf_parse_inner_list(nghttp3_sf_value *dest,
+ const uint8_t *begin,
+ const uint8_t *end) {
+ return sf_parse_inner_list(dest, begin, end);
+}
+
+static nghttp3_ssize sf_parse_item_or_inner_list(nghttp3_sf_value *dest,
+ const uint8_t *begin,
+ const uint8_t *end) {
+ if (*begin == '(') {
+ return sf_parse_inner_list(dest, begin, end);
+ }
+
+ return sf_parse_item(dest, begin, end);
+}
+
+#define sf_discard_ows(BEGIN, END) \
+ for (;; ++(BEGIN)) { \
+ if ((BEGIN) == (END)) { \
+ goto fin; \
+ } \
+ if (*(BEGIN) != ' ' && *(BEGIN) != '\t') { \
+ break; \
+ } \
+ }
+
+#define sf_discard_ows_end_err(BEGIN, END, ERR) \
+ for (;; ++(BEGIN)) { \
+ if ((BEGIN) == (END)) { \
+ return (ERR); \
+ } \
+ if (*(BEGIN) != ' ' && *(BEGIN) != '\t') { \
+ break; \
+ } \
+ }
+
+int nghttp3_http_parse_priority(nghttp3_pri *dest, const uint8_t *value,
+ size_t valuelen) {
+ const uint8_t *p = value, *end = value + valuelen;
+ nghttp3_ssize slen;
+ nghttp3_sf_value val;
+ nghttp3_pri pri = *dest;
+ const uint8_t *key;
+ size_t keylen;
+
+ for (; p != end && *p == ' '; ++p)
+ ;
+
+ for (; p != end;) {
+ slen = sf_parse_key(p, end);
+ if (slen < 0) {
+ return NGHTTP3_ERR_INVALID_ARGUMENT;
+ }
+
+ key = p;
+ keylen = (size_t)slen;
+
+ p += slen;
+
+ if (p == end || *p != '=') {
+ /* Boolean true */
+ val.type = NGHTTP3_SF_VALUE_TYPE_BOOLEAN;
+ val.b = 1;
+
+ slen = sf_parse_params(p, end);
+ if (slen < 0) {
+ return NGHTTP3_ERR_INVALID_ARGUMENT;
+ }
+ } else if (++p == end) {
+ return NGHTTP3_ERR_INVALID_ARGUMENT;
+ } else {
+ slen = sf_parse_item_or_inner_list(&val, p, end);
+ if (slen < 0) {
+ return NGHTTP3_ERR_INVALID_ARGUMENT;
+ }
+ }
+
+ p += slen;
+
+ if (keylen == 1) {
+ switch (key[0]) {
+ case 'i':
+ if (val.type != NGHTTP3_SF_VALUE_TYPE_BOOLEAN) {
+ return NGHTTP3_ERR_INVALID_ARGUMENT;
+ }
+
+ pri.inc = val.b;
+
+ break;
+ case 'u':
+ if (val.type != NGHTTP3_SF_VALUE_TYPE_INTEGER ||
+ val.i < NGHTTP3_URGENCY_HIGH || NGHTTP3_URGENCY_LOW < val.i) {
+ return NGHTTP3_ERR_INVALID_ARGUMENT;
+ }
+
+ pri.urgency = (uint32_t)val.i;
+
+ break;
+ }
+ }
+
+ sf_discard_ows(p, end);
+
+ if (*p++ != ',') {
+ return NGHTTP3_ERR_INVALID_ARGUMENT;
+ }
+
+ sf_discard_ows_end_err(p, end, NGHTTP3_ERR_INVALID_ARGUMENT);
+ }
+
+fin:
+ *dest = pri;
+
+ return 0;
+}
+
+static int http_request_on_header(nghttp3_http_state *http,
+ nghttp3_qpack_nv *nv, int trailers,
+ int connect_protocol) {
+ nghttp3_pri pri;
+
+ if (nv->name->base[0] == ':') {
+ if (trailers ||
+ (http->flags & NGHTTP3_HTTP_FLAG_PSEUDO_HEADER_DISALLOWED)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ }
+
+ switch (nv->token) {
+ case NGHTTP3_QPACK_TOKEN__AUTHORITY:
+ if (!check_pseudo_header(http, nv, NGHTTP3_HTTP_FLAG__AUTHORITY)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ break;
+ case NGHTTP3_QPACK_TOKEN__METHOD:
+ if (!check_pseudo_header(http, nv, NGHTTP3_HTTP_FLAG__METHOD)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ switch (nv->value->len) {
+ case 4:
+ if (lstreq("HEAD", nv->value->base, nv->value->len)) {
+ http->flags |= NGHTTP3_HTTP_FLAG_METH_HEAD;
+ }
+ break;
+ case 7:
+ switch (nv->value->base[6]) {
+ case 'T':
+ if (lstreq("CONNECT", nv->value->base, nv->value->len)) {
+ http->flags |= NGHTTP3_HTTP_FLAG_METH_CONNECT;
+ }
+ break;
+ case 'S':
+ if (lstreq("OPTIONS", nv->value->base, nv->value->len)) {
+ http->flags |= NGHTTP3_HTTP_FLAG_METH_OPTIONS;
+ }
+ break;
+ }
+ break;
+ }
+ break;
+ case NGHTTP3_QPACK_TOKEN__PATH:
+ if (!check_pseudo_header(http, nv, NGHTTP3_HTTP_FLAG__PATH)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ if (nv->value->base[0] == '/') {
+ http->flags |= NGHTTP3_HTTP_FLAG_PATH_REGULAR;
+ } else if (nv->value->len == 1 && nv->value->base[0] == '*') {
+ http->flags |= NGHTTP3_HTTP_FLAG_PATH_ASTERISK;
+ }
+ break;
+ case NGHTTP3_QPACK_TOKEN__SCHEME:
+ if (!check_pseudo_header(http, nv, NGHTTP3_HTTP_FLAG__SCHEME)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ /* scheme is case-insensitive:
+ https://datatracker.ietf.org/doc/html/rfc3986#section-3.1 */
+ if (lstrieq("http", nv->value->base, nv->value->len) ||
+ lstrieq("https", nv->value->base, nv->value->len)) {
+ http->flags |= NGHTTP3_HTTP_FLAG_SCHEME_HTTP;
+ }
+ break;
+ case NGHTTP3_QPACK_TOKEN__PROTOCOL:
+ if (!connect_protocol) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+
+ if (!check_pseudo_header(http, nv, NGHTTP3_HTTP_FLAG__PROTOCOL)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ break;
+ case NGHTTP3_QPACK_TOKEN_HOST:
+ if (!check_pseudo_header(http, nv, NGHTTP3_HTTP_FLAG_HOST)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ break;
+ case NGHTTP3_QPACK_TOKEN_CONTENT_LENGTH: {
+ /* https://tools.ietf.org/html/rfc7230#section-4.1.2: A sender
+ MUST NOT generate a trailer that contains a field necessary for
+ message framing (e.g., Transfer-Encoding and Content-Length),
+ ... */
+ if (trailers) {
+ return NGHTTP3_ERR_REMOVE_HTTP_HEADER;
+ }
+ if (http->content_length != -1) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ http->content_length = parse_uint(nv->value->base, nv->value->len);
+ if (http->content_length == -1) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ break;
+ }
+ /* disallowed header fields */
+ case NGHTTP3_QPACK_TOKEN_CONNECTION:
+ case NGHTTP3_QPACK_TOKEN_KEEP_ALIVE:
+ case NGHTTP3_QPACK_TOKEN_PROXY_CONNECTION:
+ case NGHTTP3_QPACK_TOKEN_TRANSFER_ENCODING:
+ case NGHTTP3_QPACK_TOKEN_UPGRADE:
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ case NGHTTP3_QPACK_TOKEN_TE:
+ if (!lstrieq("trailers", nv->value->base, nv->value->len)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ break;
+ case NGHTTP3_QPACK_TOKEN_PRIORITY:
+ if (!trailers && !(http->flags & NGHTTP3_HTTP_FLAG_BAD_PRIORITY)) {
+ pri.urgency = nghttp3_pri_uint8_urgency(http->pri);
+ pri.inc = nghttp3_pri_uint8_inc(http->pri);
+ if (nghttp3_http_parse_priority(&pri, nv->value->base, nv->value->len) ==
+ 0) {
+ http->pri = nghttp3_pri_to_uint8(&pri);
+ http->flags |= NGHTTP3_HTTP_FLAG_PRIORITY;
+ } else {
+ http->flags &= ~NGHTTP3_HTTP_FLAG_PRIORITY;
+ http->flags |= NGHTTP3_HTTP_FLAG_BAD_PRIORITY;
+ }
+ }
+ break;
+ default:
+ if (nv->name->base[0] == ':') {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ }
+
+ return 0;
+}
+
+static int http_response_on_header(nghttp3_http_state *http,
+ nghttp3_qpack_nv *nv, int trailers) {
+ if (nv->name->base[0] == ':') {
+ if (trailers ||
+ (http->flags & NGHTTP3_HTTP_FLAG_PSEUDO_HEADER_DISALLOWED)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ }
+
+ switch (nv->token) {
+ case NGHTTP3_QPACK_TOKEN__STATUS: {
+ if (!check_pseudo_header(http, nv, NGHTTP3_HTTP_FLAG__STATUS)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ if (nv->value->len != 3) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ http->status_code = (int16_t)parse_uint(nv->value->base, nv->value->len);
+ if (http->status_code < 100 || http->status_code == 101) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ break;
+ }
+ case NGHTTP3_QPACK_TOKEN_CONTENT_LENGTH: {
+ /* https://tools.ietf.org/html/rfc7230#section-4.1.2: A sender
+ MUST NOT generate a trailer that contains a field necessary for
+ message framing (e.g., Transfer-Encoding and Content-Length),
+ ... */
+ if (trailers) {
+ return NGHTTP3_ERR_REMOVE_HTTP_HEADER;
+ }
+ if (http->status_code == 204) {
+ /* content-length header field in 204 response is prohibited by
+ RFC 7230. But some widely used servers send content-length:
+ 0. Until they get fixed, we ignore it. */
+ if (http->content_length != -1) {
+ /* Found multiple content-length field */
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ if (!lstrieq("0", nv->value->base, nv->value->len)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ http->content_length = 0;
+ return NGHTTP3_ERR_REMOVE_HTTP_HEADER;
+ }
+ if (http->status_code / 100 == 1) {
+ return NGHTTP3_ERR_REMOVE_HTTP_HEADER;
+ }
+ /* https://tools.ietf.org/html/rfc7230#section-3.3.3 */
+ if (http->status_code / 100 == 2 &&
+ (http->flags & NGHTTP3_HTTP_FLAG_METH_CONNECT)) {
+ return NGHTTP3_ERR_REMOVE_HTTP_HEADER;
+ }
+ if (http->content_length != -1) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ http->content_length = parse_uint(nv->value->base, nv->value->len);
+ if (http->content_length == -1) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ break;
+ }
+ /* disallowed header fields */
+ case NGHTTP3_QPACK_TOKEN_CONNECTION:
+ case NGHTTP3_QPACK_TOKEN_KEEP_ALIVE:
+ case NGHTTP3_QPACK_TOKEN_PROXY_CONNECTION:
+ case NGHTTP3_QPACK_TOKEN_TRANSFER_ENCODING:
+ case NGHTTP3_QPACK_TOKEN_UPGRADE:
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ case NGHTTP3_QPACK_TOKEN_TE:
+ if (!lstrieq("trailers", nv->value->base, nv->value->len)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ break;
+ default:
+ if (nv->name->base[0] == ':') {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ }
+
+ return 0;
+}
+
+/* Generated by genauthroitychartbl.py */
+static char VALID_AUTHORITY_CHARS[] = {
+ 0 /* NUL */, 0 /* SOH */, 0 /* STX */, 0 /* ETX */,
+ 0 /* EOT */, 0 /* ENQ */, 0 /* ACK */, 0 /* BEL */,
+ 0 /* BS */, 0 /* HT */, 0 /* LF */, 0 /* VT */,
+ 0 /* FF */, 0 /* CR */, 0 /* SO */, 0 /* SI */,
+ 0 /* DLE */, 0 /* DC1 */, 0 /* DC2 */, 0 /* DC3 */,
+ 0 /* DC4 */, 0 /* NAK */, 0 /* SYN */, 0 /* ETB */,
+ 0 /* CAN */, 0 /* EM */, 0 /* SUB */, 0 /* ESC */,
+ 0 /* FS */, 0 /* GS */, 0 /* RS */, 0 /* US */,
+ 0 /* SPC */, 1 /* ! */, 0 /* " */, 0 /* # */,
+ 1 /* $ */, 1 /* % */, 1 /* & */, 1 /* ' */,
+ 1 /* ( */, 1 /* ) */, 1 /* * */, 1 /* + */,
+ 1 /* , */, 1 /* - */, 1 /* . */, 0 /* / */,
+ 1 /* 0 */, 1 /* 1 */, 1 /* 2 */, 1 /* 3 */,
+ 1 /* 4 */, 1 /* 5 */, 1 /* 6 */, 1 /* 7 */,
+ 1 /* 8 */, 1 /* 9 */, 1 /* : */, 1 /* ; */,
+ 0 /* < */, 1 /* = */, 0 /* > */, 0 /* ? */,
+ 1 /* @ */, 1 /* A */, 1 /* B */, 1 /* C */,
+ 1 /* D */, 1 /* E */, 1 /* F */, 1 /* G */,
+ 1 /* H */, 1 /* I */, 1 /* J */, 1 /* K */,
+ 1 /* L */, 1 /* M */, 1 /* N */, 1 /* O */,
+ 1 /* P */, 1 /* Q */, 1 /* R */, 1 /* S */,
+ 1 /* T */, 1 /* U */, 1 /* V */, 1 /* W */,
+ 1 /* X */, 1 /* Y */, 1 /* Z */, 1 /* [ */,
+ 0 /* \ */, 1 /* ] */, 0 /* ^ */, 1 /* _ */,
+ 0 /* ` */, 1 /* a */, 1 /* b */, 1 /* c */,
+ 1 /* d */, 1 /* e */, 1 /* f */, 1 /* g */,
+ 1 /* h */, 1 /* i */, 1 /* j */, 1 /* k */,
+ 1 /* l */, 1 /* m */, 1 /* n */, 1 /* o */,
+ 1 /* p */, 1 /* q */, 1 /* r */, 1 /* s */,
+ 1 /* t */, 1 /* u */, 1 /* v */, 1 /* w */,
+ 1 /* x */, 1 /* y */, 1 /* z */, 0 /* { */,
+ 0 /* | */, 0 /* } */, 1 /* ~ */, 0 /* DEL */,
+ 0 /* 0x80 */, 0 /* 0x81 */, 0 /* 0x82 */, 0 /* 0x83 */,
+ 0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */, 0 /* 0x87 */,
+ 0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
+ 0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */,
+ 0 /* 0x90 */, 0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */,
+ 0 /* 0x94 */, 0 /* 0x95 */, 0 /* 0x96 */, 0 /* 0x97 */,
+ 0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */, 0 /* 0x9b */,
+ 0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
+ 0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */,
+ 0 /* 0xa4 */, 0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */,
+ 0 /* 0xa8 */, 0 /* 0xa9 */, 0 /* 0xaa */, 0 /* 0xab */,
+ 0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */, 0 /* 0xaf */,
+ 0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
+ 0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */,
+ 0 /* 0xb8 */, 0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */,
+ 0 /* 0xbc */, 0 /* 0xbd */, 0 /* 0xbe */, 0 /* 0xbf */,
+ 0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */, 0 /* 0xc3 */,
+ 0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
+ 0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */,
+ 0 /* 0xcc */, 0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */,
+ 0 /* 0xd0 */, 0 /* 0xd1 */, 0 /* 0xd2 */, 0 /* 0xd3 */,
+ 0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */, 0 /* 0xd7 */,
+ 0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
+ 0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */,
+ 0 /* 0xe0 */, 0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */,
+ 0 /* 0xe4 */, 0 /* 0xe5 */, 0 /* 0xe6 */, 0 /* 0xe7 */,
+ 0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */, 0 /* 0xeb */,
+ 0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
+ 0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */,
+ 0 /* 0xf4 */, 0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */,
+ 0 /* 0xf8 */, 0 /* 0xf9 */, 0 /* 0xfa */, 0 /* 0xfb */,
+ 0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */, 0 /* 0xff */
+};
+
+static int check_authority(const uint8_t *value, size_t len) {
+ const uint8_t *last;
+ for (last = value + len; value != last; ++value) {
+ if (!VALID_AUTHORITY_CHARS[*value]) {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+static int check_scheme(const uint8_t *value, size_t len) {
+ const uint8_t *last;
+ if (len == 0) {
+ return 0;
+ }
+
+ if (!(('A' <= *value && *value <= 'Z') || ('a' <= *value && *value <= 'z'))) {
+ return 0;
+ }
+
+ last = value + len;
+ ++value;
+
+ for (; value != last; ++value) {
+ if (!(('A' <= *value && *value <= 'Z') ||
+ ('a' <= *value && *value <= 'z') ||
+ ('0' <= *value && *value <= '9') || *value == '+' || *value == '-' ||
+ *value == '.')) {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+/* Generated by genmethodchartbl.py */
+static char VALID_METHOD_CHARS[] = {
+ 0 /* NUL */, 0 /* SOH */, 0 /* STX */, 0 /* ETX */,
+ 0 /* EOT */, 0 /* ENQ */, 0 /* ACK */, 0 /* BEL */,
+ 0 /* BS */, 0 /* HT */, 0 /* LF */, 0 /* VT */,
+ 0 /* FF */, 0 /* CR */, 0 /* SO */, 0 /* SI */,
+ 0 /* DLE */, 0 /* DC1 */, 0 /* DC2 */, 0 /* DC3 */,
+ 0 /* DC4 */, 0 /* NAK */, 0 /* SYN */, 0 /* ETB */,
+ 0 /* CAN */, 0 /* EM */, 0 /* SUB */, 0 /* ESC */,
+ 0 /* FS */, 0 /* GS */, 0 /* RS */, 0 /* US */,
+ 0 /* SPC */, 1 /* ! */, 0 /* " */, 1 /* # */,
+ 1 /* $ */, 1 /* % */, 1 /* & */, 1 /* ' */,
+ 0 /* ( */, 0 /* ) */, 1 /* * */, 1 /* + */,
+ 0 /* , */, 1 /* - */, 1 /* . */, 0 /* / */,
+ 1 /* 0 */, 1 /* 1 */, 1 /* 2 */, 1 /* 3 */,
+ 1 /* 4 */, 1 /* 5 */, 1 /* 6 */, 1 /* 7 */,
+ 1 /* 8 */, 1 /* 9 */, 0 /* : */, 0 /* ; */,
+ 0 /* < */, 0 /* = */, 0 /* > */, 0 /* ? */,
+ 0 /* @ */, 1 /* A */, 1 /* B */, 1 /* C */,
+ 1 /* D */, 1 /* E */, 1 /* F */, 1 /* G */,
+ 1 /* H */, 1 /* I */, 1 /* J */, 1 /* K */,
+ 1 /* L */, 1 /* M */, 1 /* N */, 1 /* O */,
+ 1 /* P */, 1 /* Q */, 1 /* R */, 1 /* S */,
+ 1 /* T */, 1 /* U */, 1 /* V */, 1 /* W */,
+ 1 /* X */, 1 /* Y */, 1 /* Z */, 0 /* [ */,
+ 0 /* \ */, 0 /* ] */, 1 /* ^ */, 1 /* _ */,
+ 1 /* ` */, 1 /* a */, 1 /* b */, 1 /* c */,
+ 1 /* d */, 1 /* e */, 1 /* f */, 1 /* g */,
+ 1 /* h */, 1 /* i */, 1 /* j */, 1 /* k */,
+ 1 /* l */, 1 /* m */, 1 /* n */, 1 /* o */,
+ 1 /* p */, 1 /* q */, 1 /* r */, 1 /* s */,
+ 1 /* t */, 1 /* u */, 1 /* v */, 1 /* w */,
+ 1 /* x */, 1 /* y */, 1 /* z */, 0 /* { */,
+ 1 /* | */, 0 /* } */, 1 /* ~ */, 0 /* DEL */,
+ 0 /* 0x80 */, 0 /* 0x81 */, 0 /* 0x82 */, 0 /* 0x83 */,
+ 0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */, 0 /* 0x87 */,
+ 0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
+ 0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */,
+ 0 /* 0x90 */, 0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */,
+ 0 /* 0x94 */, 0 /* 0x95 */, 0 /* 0x96 */, 0 /* 0x97 */,
+ 0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */, 0 /* 0x9b */,
+ 0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
+ 0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */,
+ 0 /* 0xa4 */, 0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */,
+ 0 /* 0xa8 */, 0 /* 0xa9 */, 0 /* 0xaa */, 0 /* 0xab */,
+ 0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */, 0 /* 0xaf */,
+ 0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
+ 0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */,
+ 0 /* 0xb8 */, 0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */,
+ 0 /* 0xbc */, 0 /* 0xbd */, 0 /* 0xbe */, 0 /* 0xbf */,
+ 0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */, 0 /* 0xc3 */,
+ 0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
+ 0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */,
+ 0 /* 0xcc */, 0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */,
+ 0 /* 0xd0 */, 0 /* 0xd1 */, 0 /* 0xd2 */, 0 /* 0xd3 */,
+ 0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */, 0 /* 0xd7 */,
+ 0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
+ 0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */,
+ 0 /* 0xe0 */, 0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */,
+ 0 /* 0xe4 */, 0 /* 0xe5 */, 0 /* 0xe6 */, 0 /* 0xe7 */,
+ 0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */, 0 /* 0xeb */,
+ 0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
+ 0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */,
+ 0 /* 0xf4 */, 0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */,
+ 0 /* 0xf8 */, 0 /* 0xf9 */, 0 /* 0xfa */, 0 /* 0xfb */,
+ 0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */, 0 /* 0xff */
+};
+
+static int check_method(const uint8_t *value, size_t len) {
+ const uint8_t *last;
+ if (len == 0) {
+ return 0;
+ }
+ for (last = value + len; value != last; ++value) {
+ if (!VALID_METHOD_CHARS[*value]) {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+/* Generated by genpathchartbl.py */
+static char VALID_PATH_CHARS[] = {
+ 0 /* NUL */, 0 /* SOH */, 0 /* STX */, 0 /* ETX */,
+ 0 /* EOT */, 0 /* ENQ */, 0 /* ACK */, 0 /* BEL */,
+ 0 /* BS */, 0 /* HT */, 0 /* LF */, 0 /* VT */,
+ 0 /* FF */, 0 /* CR */, 0 /* SO */, 0 /* SI */,
+ 0 /* DLE */, 0 /* DC1 */, 0 /* DC2 */, 0 /* DC3 */,
+ 0 /* DC4 */, 0 /* NAK */, 0 /* SYN */, 0 /* ETB */,
+ 0 /* CAN */, 0 /* EM */, 0 /* SUB */, 0 /* ESC */,
+ 0 /* FS */, 0 /* GS */, 0 /* RS */, 0 /* US */,
+ 0 /* SPC */, 1 /* ! */, 1 /* " */, 1 /* # */,
+ 1 /* $ */, 1 /* % */, 1 /* & */, 1 /* ' */,
+ 1 /* ( */, 1 /* ) */, 1 /* * */, 1 /* + */,
+ 1 /* , */, 1 /* - */, 1 /* . */, 1 /* / */,
+ 1 /* 0 */, 1 /* 1 */, 1 /* 2 */, 1 /* 3 */,
+ 1 /* 4 */, 1 /* 5 */, 1 /* 6 */, 1 /* 7 */,
+ 1 /* 8 */, 1 /* 9 */, 1 /* : */, 1 /* ; */,
+ 1 /* < */, 1 /* = */, 1 /* > */, 1 /* ? */,
+ 1 /* @ */, 1 /* A */, 1 /* B */, 1 /* C */,
+ 1 /* D */, 1 /* E */, 1 /* F */, 1 /* G */,
+ 1 /* H */, 1 /* I */, 1 /* J */, 1 /* K */,
+ 1 /* L */, 1 /* M */, 1 /* N */, 1 /* O */,
+ 1 /* P */, 1 /* Q */, 1 /* R */, 1 /* S */,
+ 1 /* T */, 1 /* U */, 1 /* V */, 1 /* W */,
+ 1 /* X */, 1 /* Y */, 1 /* Z */, 1 /* [ */,
+ 1 /* \ */, 1 /* ] */, 1 /* ^ */, 1 /* _ */,
+ 1 /* ` */, 1 /* a */, 1 /* b */, 1 /* c */,
+ 1 /* d */, 1 /* e */, 1 /* f */, 1 /* g */,
+ 1 /* h */, 1 /* i */, 1 /* j */, 1 /* k */,
+ 1 /* l */, 1 /* m */, 1 /* n */, 1 /* o */,
+ 1 /* p */, 1 /* q */, 1 /* r */, 1 /* s */,
+ 1 /* t */, 1 /* u */, 1 /* v */, 1 /* w */,
+ 1 /* x */, 1 /* y */, 1 /* z */, 1 /* { */,
+ 1 /* | */, 1 /* } */, 1 /* ~ */, 0 /* DEL */,
+ 1 /* 0x80 */, 1 /* 0x81 */, 1 /* 0x82 */, 1 /* 0x83 */,
+ 1 /* 0x84 */, 1 /* 0x85 */, 1 /* 0x86 */, 1 /* 0x87 */,
+ 1 /* 0x88 */, 1 /* 0x89 */, 1 /* 0x8a */, 1 /* 0x8b */,
+ 1 /* 0x8c */, 1 /* 0x8d */, 1 /* 0x8e */, 1 /* 0x8f */,
+ 1 /* 0x90 */, 1 /* 0x91 */, 1 /* 0x92 */, 1 /* 0x93 */,
+ 1 /* 0x94 */, 1 /* 0x95 */, 1 /* 0x96 */, 1 /* 0x97 */,
+ 1 /* 0x98 */, 1 /* 0x99 */, 1 /* 0x9a */, 1 /* 0x9b */,
+ 1 /* 0x9c */, 1 /* 0x9d */, 1 /* 0x9e */, 1 /* 0x9f */,
+ 1 /* 0xa0 */, 1 /* 0xa1 */, 1 /* 0xa2 */, 1 /* 0xa3 */,
+ 1 /* 0xa4 */, 1 /* 0xa5 */, 1 /* 0xa6 */, 1 /* 0xa7 */,
+ 1 /* 0xa8 */, 1 /* 0xa9 */, 1 /* 0xaa */, 1 /* 0xab */,
+ 1 /* 0xac */, 1 /* 0xad */, 1 /* 0xae */, 1 /* 0xaf */,
+ 1 /* 0xb0 */, 1 /* 0xb1 */, 1 /* 0xb2 */, 1 /* 0xb3 */,
+ 1 /* 0xb4 */, 1 /* 0xb5 */, 1 /* 0xb6 */, 1 /* 0xb7 */,
+ 1 /* 0xb8 */, 1 /* 0xb9 */, 1 /* 0xba */, 1 /* 0xbb */,
+ 1 /* 0xbc */, 1 /* 0xbd */, 1 /* 0xbe */, 1 /* 0xbf */,
+ 1 /* 0xc0 */, 1 /* 0xc1 */, 1 /* 0xc2 */, 1 /* 0xc3 */,
+ 1 /* 0xc4 */, 1 /* 0xc5 */, 1 /* 0xc6 */, 1 /* 0xc7 */,
+ 1 /* 0xc8 */, 1 /* 0xc9 */, 1 /* 0xca */, 1 /* 0xcb */,
+ 1 /* 0xcc */, 1 /* 0xcd */, 1 /* 0xce */, 1 /* 0xcf */,
+ 1 /* 0xd0 */, 1 /* 0xd1 */, 1 /* 0xd2 */, 1 /* 0xd3 */,
+ 1 /* 0xd4 */, 1 /* 0xd5 */, 1 /* 0xd6 */, 1 /* 0xd7 */,
+ 1 /* 0xd8 */, 1 /* 0xd9 */, 1 /* 0xda */, 1 /* 0xdb */,
+ 1 /* 0xdc */, 1 /* 0xdd */, 1 /* 0xde */, 1 /* 0xdf */,
+ 1 /* 0xe0 */, 1 /* 0xe1 */, 1 /* 0xe2 */, 1 /* 0xe3 */,
+ 1 /* 0xe4 */, 1 /* 0xe5 */, 1 /* 0xe6 */, 1 /* 0xe7 */,
+ 1 /* 0xe8 */, 1 /* 0xe9 */, 1 /* 0xea */, 1 /* 0xeb */,
+ 1 /* 0xec */, 1 /* 0xed */, 1 /* 0xee */, 1 /* 0xef */,
+ 1 /* 0xf0 */, 1 /* 0xf1 */, 1 /* 0xf2 */, 1 /* 0xf3 */,
+ 1 /* 0xf4 */, 1 /* 0xf5 */, 1 /* 0xf6 */, 1 /* 0xf7 */,
+ 1 /* 0xf8 */, 1 /* 0xf9 */, 1 /* 0xfa */, 1 /* 0xfb */,
+ 1 /* 0xfc */, 1 /* 0xfd */, 1 /* 0xfe */, 1 /* 0xff */
+};
+
+static int check_path(const uint8_t *value, size_t len) {
+ const uint8_t *last;
+ for (last = value + len; value != last; ++value) {
+ if (!VALID_PATH_CHARS[*value]) {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+int nghttp3_http_on_header(nghttp3_http_state *http, nghttp3_qpack_nv *nv,
+ int request, int trailers, int connect_protocol) {
+ int rv;
+ size_t i;
+ uint8_t c;
+
+ if (!nghttp3_check_header_name(nv->name->base, nv->name->len)) {
+ if (nv->name->len > 0 && nv->name->base[0] == ':') {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ /* header field name must be lower-cased without exception */
+ for (i = 0; i < nv->name->len; ++i) {
+ c = nv->name->base[i];
+ if ('A' <= c && c <= 'Z') {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ }
+ /* When ignoring regular header fields, we set this flag so that
+ we still enforce header field ordering rule for pseudo header
+ fields. */
+ http->flags |= NGHTTP3_HTTP_FLAG_PSEUDO_HEADER_DISALLOWED;
+ return NGHTTP3_ERR_REMOVE_HTTP_HEADER;
+ }
+
+ assert(nv->name->len > 0);
+
+ switch (nv->token) {
+ case NGHTTP3_QPACK_TOKEN__METHOD:
+ rv = check_method(nv->value->base, nv->value->len);
+ break;
+ case NGHTTP3_QPACK_TOKEN__SCHEME:
+ rv = check_scheme(nv->value->base, nv->value->len);
+ break;
+ case NGHTTP3_QPACK_TOKEN__AUTHORITY:
+ case NGHTTP3_QPACK_TOKEN_HOST:
+ if (request) {
+ rv = check_authority(nv->value->base, nv->value->len);
+ } else {
+ /* The use of host field in response field section is
+ undefined. */
+ rv = nghttp3_check_header_value(nv->value->base, nv->value->len);
+ }
+ break;
+ case NGHTTP3_QPACK_TOKEN__PATH:
+ rv = check_path(nv->value->base, nv->value->len);
+ break;
+ default:
+ rv = nghttp3_check_header_value(nv->value->base, nv->value->len);
+ }
+
+ if (rv == 0) {
+ if (nv->name->base[0] == ':') {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ /* When ignoring regular header fields, we set this flag so that
+ we still enforce header field ordering rule for pseudo header
+ fields. */
+ http->flags |= NGHTTP3_HTTP_FLAG_PSEUDO_HEADER_DISALLOWED;
+ return NGHTTP3_ERR_REMOVE_HTTP_HEADER;
+ }
+
+ if (request) {
+ rv = http_request_on_header(http, nv, trailers, connect_protocol);
+ } else {
+ rv = http_response_on_header(http, nv, trailers);
+ }
+
+ if (nv->name->base[0] != ':') {
+ switch (rv) {
+ case 0:
+ case NGHTTP3_ERR_REMOVE_HTTP_HEADER:
+ http->flags |= NGHTTP3_HTTP_FLAG_PSEUDO_HEADER_DISALLOWED;
+ break;
+ }
+ }
+
+ return rv;
+}
+
+int nghttp3_http_on_request_headers(nghttp3_http_state *http) {
+ if (!(http->flags & NGHTTP3_HTTP_FLAG__PROTOCOL) &&
+ (http->flags & NGHTTP3_HTTP_FLAG_METH_CONNECT)) {
+ if ((http->flags & (NGHTTP3_HTTP_FLAG__SCHEME | NGHTTP3_HTTP_FLAG__PATH)) ||
+ (http->flags & NGHTTP3_HTTP_FLAG__AUTHORITY) == 0) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ http->content_length = -1;
+ } else {
+ if ((http->flags & NGHTTP3_HTTP_FLAG_REQ_HEADERS) !=
+ NGHTTP3_HTTP_FLAG_REQ_HEADERS ||
+ (http->flags &
+ (NGHTTP3_HTTP_FLAG__AUTHORITY | NGHTTP3_HTTP_FLAG_HOST)) == 0) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ if ((http->flags & NGHTTP3_HTTP_FLAG__PROTOCOL) &&
+ ((http->flags & NGHTTP3_HTTP_FLAG_METH_CONNECT) == 0 ||
+ (http->flags & NGHTTP3_HTTP_FLAG__AUTHORITY) == 0)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ if (!check_path_flags(http)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+ }
+
+ return 0;
+}
+
+int nghttp3_http_on_response_headers(nghttp3_http_state *http) {
+ if ((http->flags & NGHTTP3_HTTP_FLAG__STATUS) == 0) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_HEADER;
+ }
+
+ if (http->status_code / 100 == 1) {
+ /* non-final response */
+ http->flags = (http->flags & NGHTTP3_HTTP_FLAG_METH_ALL) |
+ NGHTTP3_HTTP_FLAG_EXPECT_FINAL_RESPONSE;
+ http->content_length = -1;
+ http->status_code = -1;
+ return 0;
+ }
+
+ http->flags &= ~NGHTTP3_HTTP_FLAG_EXPECT_FINAL_RESPONSE;
+
+ if (!expect_response_body(http)) {
+ http->content_length = 0;
+ } else if (http->flags & NGHTTP3_HTTP_FLAG_METH_CONNECT) {
+ http->content_length = -1;
+ }
+
+ return 0;
+}
+
+int nghttp3_http_on_remote_end_stream(nghttp3_stream *stream) {
+ if ((stream->rx.http.flags & NGHTTP3_HTTP_FLAG_EXPECT_FINAL_RESPONSE) ||
+ (stream->rx.http.content_length != -1 &&
+ stream->rx.http.content_length != stream->rx.http.recv_content_length)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_MESSAGING;
+ }
+
+ return 0;
+}
+
+int nghttp3_http_on_data_chunk(nghttp3_stream *stream, size_t n) {
+ stream->rx.http.recv_content_length += (int64_t)n;
+
+ if ((stream->rx.http.flags & NGHTTP3_HTTP_FLAG_EXPECT_FINAL_RESPONSE) ||
+ (stream->rx.http.content_length != -1 &&
+ stream->rx.http.recv_content_length > stream->rx.http.content_length)) {
+ return NGHTTP3_ERR_MALFORMED_HTTP_MESSAGING;
+ }
+
+ return 0;
+}
+
+void nghttp3_http_record_request_method(nghttp3_stream *stream,
+ const nghttp3_nv *nva, size_t nvlen) {
+ size_t i;
+ const nghttp3_nv *nv;
+
+ /* TODO we should do this strictly. */
+ for (i = 0; i < nvlen; ++i) {
+ nv = &nva[i];
+ if (!(nv->namelen == 7 && nv->name[6] == 'd' &&
+ memcmp(":metho", nv->name, nv->namelen - 1) == 0)) {
+ continue;
+ }
+ if (lstreq("CONNECT", nv->value, nv->valuelen)) {
+ stream->rx.http.flags |= NGHTTP3_HTTP_FLAG_METH_CONNECT;
+ return;
+ }
+ if (lstreq("HEAD", nv->value, nv->valuelen)) {
+ stream->rx.http.flags |= NGHTTP3_HTTP_FLAG_METH_HEAD;
+ return;
+ }
+ return;
+ }
+}
+
+/* Generated by gennmchartbl.py */
+static const int VALID_HD_NAME_CHARS[] = {
+ 0 /* NUL */, 0 /* SOH */, 0 /* STX */, 0 /* ETX */,
+ 0 /* EOT */, 0 /* ENQ */, 0 /* ACK */, 0 /* BEL */,
+ 0 /* BS */, 0 /* HT */, 0 /* LF */, 0 /* VT */,
+ 0 /* FF */, 0 /* CR */, 0 /* SO */, 0 /* SI */,
+ 0 /* DLE */, 0 /* DC1 */, 0 /* DC2 */, 0 /* DC3 */,
+ 0 /* DC4 */, 0 /* NAK */, 0 /* SYN */, 0 /* ETB */,
+ 0 /* CAN */, 0 /* EM */, 0 /* SUB */, 0 /* ESC */,
+ 0 /* FS */, 0 /* GS */, 0 /* RS */, 0 /* US */,
+ 0 /* SPC */, 1 /* ! */, 0 /* " */, 1 /* # */,
+ 1 /* $ */, 1 /* % */, 1 /* & */, 1 /* ' */,
+ 0 /* ( */, 0 /* ) */, 1 /* * */, 1 /* + */,
+ 0 /* , */, 1 /* - */, 1 /* . */, 0 /* / */,
+ 1 /* 0 */, 1 /* 1 */, 1 /* 2 */, 1 /* 3 */,
+ 1 /* 4 */, 1 /* 5 */, 1 /* 6 */, 1 /* 7 */,
+ 1 /* 8 */, 1 /* 9 */, 0 /* : */, 0 /* ; */,
+ 0 /* < */, 0 /* = */, 0 /* > */, 0 /* ? */,
+ 0 /* @ */, 0 /* A */, 0 /* B */, 0 /* C */,
+ 0 /* D */, 0 /* E */, 0 /* F */, 0 /* G */,
+ 0 /* H */, 0 /* I */, 0 /* J */, 0 /* K */,
+ 0 /* L */, 0 /* M */, 0 /* N */, 0 /* O */,
+ 0 /* P */, 0 /* Q */, 0 /* R */, 0 /* S */,
+ 0 /* T */, 0 /* U */, 0 /* V */, 0 /* W */,
+ 0 /* X */, 0 /* Y */, 0 /* Z */, 0 /* [ */,
+ 0 /* \ */, 0 /* ] */, 1 /* ^ */, 1 /* _ */,
+ 1 /* ` */, 1 /* a */, 1 /* b */, 1 /* c */,
+ 1 /* d */, 1 /* e */, 1 /* f */, 1 /* g */,
+ 1 /* h */, 1 /* i */, 1 /* j */, 1 /* k */,
+ 1 /* l */, 1 /* m */, 1 /* n */, 1 /* o */,
+ 1 /* p */, 1 /* q */, 1 /* r */, 1 /* s */,
+ 1 /* t */, 1 /* u */, 1 /* v */, 1 /* w */,
+ 1 /* x */, 1 /* y */, 1 /* z */, 0 /* { */,
+ 1 /* | */, 0 /* } */, 1 /* ~ */, 0 /* DEL */,
+ 0 /* 0x80 */, 0 /* 0x81 */, 0 /* 0x82 */, 0 /* 0x83 */,
+ 0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */, 0 /* 0x87 */,
+ 0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
+ 0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */,
+ 0 /* 0x90 */, 0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */,
+ 0 /* 0x94 */, 0 /* 0x95 */, 0 /* 0x96 */, 0 /* 0x97 */,
+ 0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */, 0 /* 0x9b */,
+ 0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
+ 0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */,
+ 0 /* 0xa4 */, 0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */,
+ 0 /* 0xa8 */, 0 /* 0xa9 */, 0 /* 0xaa */, 0 /* 0xab */,
+ 0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */, 0 /* 0xaf */,
+ 0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
+ 0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */,
+ 0 /* 0xb8 */, 0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */,
+ 0 /* 0xbc */, 0 /* 0xbd */, 0 /* 0xbe */, 0 /* 0xbf */,
+ 0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */, 0 /* 0xc3 */,
+ 0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
+ 0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */,
+ 0 /* 0xcc */, 0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */,
+ 0 /* 0xd0 */, 0 /* 0xd1 */, 0 /* 0xd2 */, 0 /* 0xd3 */,
+ 0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */, 0 /* 0xd7 */,
+ 0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
+ 0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */,
+ 0 /* 0xe0 */, 0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */,
+ 0 /* 0xe4 */, 0 /* 0xe5 */, 0 /* 0xe6 */, 0 /* 0xe7 */,
+ 0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */, 0 /* 0xeb */,
+ 0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
+ 0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */,
+ 0 /* 0xf4 */, 0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */,
+ 0 /* 0xf8 */, 0 /* 0xf9 */, 0 /* 0xfa */, 0 /* 0xfb */,
+ 0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */, 0 /* 0xff */
+};
+
+int nghttp3_check_header_name(const uint8_t *name, size_t len) {
+ const uint8_t *last;
+ if (len == 0) {
+ return 0;
+ }
+ if (*name == ':') {
+ if (len == 1) {
+ return 0;
+ }
+ ++name;
+ --len;
+ }
+ for (last = name + len; name != last; ++name) {
+ if (!VALID_HD_NAME_CHARS[*name]) {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+/* Generated by genvchartbl.py */
+static const int VALID_HD_VALUE_CHARS[] = {
+ 0 /* NUL */, 0 /* SOH */, 0 /* STX */, 0 /* ETX */,
+ 0 /* EOT */, 0 /* ENQ */, 0 /* ACK */, 0 /* BEL */,
+ 0 /* BS */, 1 /* HT */, 0 /* LF */, 0 /* VT */,
+ 0 /* FF */, 0 /* CR */, 0 /* SO */, 0 /* SI */,
+ 0 /* DLE */, 0 /* DC1 */, 0 /* DC2 */, 0 /* DC3 */,
+ 0 /* DC4 */, 0 /* NAK */, 0 /* SYN */, 0 /* ETB */,
+ 0 /* CAN */, 0 /* EM */, 0 /* SUB */, 0 /* ESC */,
+ 0 /* FS */, 0 /* GS */, 0 /* RS */, 0 /* US */,
+ 1 /* SPC */, 1 /* ! */, 1 /* " */, 1 /* # */,
+ 1 /* $ */, 1 /* % */, 1 /* & */, 1 /* ' */,
+ 1 /* ( */, 1 /* ) */, 1 /* * */, 1 /* + */,
+ 1 /* , */, 1 /* - */, 1 /* . */, 1 /* / */,
+ 1 /* 0 */, 1 /* 1 */, 1 /* 2 */, 1 /* 3 */,
+ 1 /* 4 */, 1 /* 5 */, 1 /* 6 */, 1 /* 7 */,
+ 1 /* 8 */, 1 /* 9 */, 1 /* : */, 1 /* ; */,
+ 1 /* < */, 1 /* = */, 1 /* > */, 1 /* ? */,
+ 1 /* @ */, 1 /* A */, 1 /* B */, 1 /* C */,
+ 1 /* D */, 1 /* E */, 1 /* F */, 1 /* G */,
+ 1 /* H */, 1 /* I */, 1 /* J */, 1 /* K */,
+ 1 /* L */, 1 /* M */, 1 /* N */, 1 /* O */,
+ 1 /* P */, 1 /* Q */, 1 /* R */, 1 /* S */,
+ 1 /* T */, 1 /* U */, 1 /* V */, 1 /* W */,
+ 1 /* X */, 1 /* Y */, 1 /* Z */, 1 /* [ */,
+ 1 /* \ */, 1 /* ] */, 1 /* ^ */, 1 /* _ */,
+ 1 /* ` */, 1 /* a */, 1 /* b */, 1 /* c */,
+ 1 /* d */, 1 /* e */, 1 /* f */, 1 /* g */,
+ 1 /* h */, 1 /* i */, 1 /* j */, 1 /* k */,
+ 1 /* l */, 1 /* m */, 1 /* n */, 1 /* o */,
+ 1 /* p */, 1 /* q */, 1 /* r */, 1 /* s */,
+ 1 /* t */, 1 /* u */, 1 /* v */, 1 /* w */,
+ 1 /* x */, 1 /* y */, 1 /* z */, 1 /* { */,
+ 1 /* | */, 1 /* } */, 1 /* ~ */, 0 /* DEL */,
+ 1 /* 0x80 */, 1 /* 0x81 */, 1 /* 0x82 */, 1 /* 0x83 */,
+ 1 /* 0x84 */, 1 /* 0x85 */, 1 /* 0x86 */, 1 /* 0x87 */,
+ 1 /* 0x88 */, 1 /* 0x89 */, 1 /* 0x8a */, 1 /* 0x8b */,
+ 1 /* 0x8c */, 1 /* 0x8d */, 1 /* 0x8e */, 1 /* 0x8f */,
+ 1 /* 0x90 */, 1 /* 0x91 */, 1 /* 0x92 */, 1 /* 0x93 */,
+ 1 /* 0x94 */, 1 /* 0x95 */, 1 /* 0x96 */, 1 /* 0x97 */,
+ 1 /* 0x98 */, 1 /* 0x99 */, 1 /* 0x9a */, 1 /* 0x9b */,
+ 1 /* 0x9c */, 1 /* 0x9d */, 1 /* 0x9e */, 1 /* 0x9f */,
+ 1 /* 0xa0 */, 1 /* 0xa1 */, 1 /* 0xa2 */, 1 /* 0xa3 */,
+ 1 /* 0xa4 */, 1 /* 0xa5 */, 1 /* 0xa6 */, 1 /* 0xa7 */,
+ 1 /* 0xa8 */, 1 /* 0xa9 */, 1 /* 0xaa */, 1 /* 0xab */,
+ 1 /* 0xac */, 1 /* 0xad */, 1 /* 0xae */, 1 /* 0xaf */,
+ 1 /* 0xb0 */, 1 /* 0xb1 */, 1 /* 0xb2 */, 1 /* 0xb3 */,
+ 1 /* 0xb4 */, 1 /* 0xb5 */, 1 /* 0xb6 */, 1 /* 0xb7 */,
+ 1 /* 0xb8 */, 1 /* 0xb9 */, 1 /* 0xba */, 1 /* 0xbb */,
+ 1 /* 0xbc */, 1 /* 0xbd */, 1 /* 0xbe */, 1 /* 0xbf */,
+ 1 /* 0xc0 */, 1 /* 0xc1 */, 1 /* 0xc2 */, 1 /* 0xc3 */,
+ 1 /* 0xc4 */, 1 /* 0xc5 */, 1 /* 0xc6 */, 1 /* 0xc7 */,
+ 1 /* 0xc8 */, 1 /* 0xc9 */, 1 /* 0xca */, 1 /* 0xcb */,
+ 1 /* 0xcc */, 1 /* 0xcd */, 1 /* 0xce */, 1 /* 0xcf */,
+ 1 /* 0xd0 */, 1 /* 0xd1 */, 1 /* 0xd2 */, 1 /* 0xd3 */,
+ 1 /* 0xd4 */, 1 /* 0xd5 */, 1 /* 0xd6 */, 1 /* 0xd7 */,
+ 1 /* 0xd8 */, 1 /* 0xd9 */, 1 /* 0xda */, 1 /* 0xdb */,
+ 1 /* 0xdc */, 1 /* 0xdd */, 1 /* 0xde */, 1 /* 0xdf */,
+ 1 /* 0xe0 */, 1 /* 0xe1 */, 1 /* 0xe2 */, 1 /* 0xe3 */,
+ 1 /* 0xe4 */, 1 /* 0xe5 */, 1 /* 0xe6 */, 1 /* 0xe7 */,
+ 1 /* 0xe8 */, 1 /* 0xe9 */, 1 /* 0xea */, 1 /* 0xeb */,
+ 1 /* 0xec */, 1 /* 0xed */, 1 /* 0xee */, 1 /* 0xef */,
+ 1 /* 0xf0 */, 1 /* 0xf1 */, 1 /* 0xf2 */, 1 /* 0xf3 */,
+ 1 /* 0xf4 */, 1 /* 0xf5 */, 1 /* 0xf6 */, 1 /* 0xf7 */,
+ 1 /* 0xf8 */, 1 /* 0xf9 */, 1 /* 0xfa */, 1 /* 0xfb */,
+ 1 /* 0xfc */, 1 /* 0xfd */, 1 /* 0xfe */, 1 /* 0xff */
+};
+
+int nghttp3_check_header_value(const uint8_t *value, size_t len) {
+ const uint8_t *last;
+
+ switch (len) {
+ case 0:
+ return 1;
+ case 1:
+ return !(*value == ' ' || *value == '\t');
+ default:
+ if (*value == ' ' || *value == '\t' || *(value + len - 1) == ' ' ||
+ *(value + len - 1) == '\t') {
+ return 0;
+ }
+ }
+
+ for (last = value + len; value != last; ++value) {
+ if (!VALID_HD_VALUE_CHARS[*value]) {
+ return 0;
+ }
+ }
+ return 1;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-19 06:30:54 +0000