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-rw-r--r--lib/nghttp2_helper.c803
1 files changed, 803 insertions, 0 deletions
diff --git a/lib/nghttp2_helper.c b/lib/nghttp2_helper.c
new file mode 100644
index 0000000..93dd475
--- /dev/null
+++ b/lib/nghttp2_helper.c
@@ -0,0 +1,803 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2012 Tatsuhiro Tsujikawa
+ *
+ * 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 "nghttp2_helper.h"
+
+#include <assert.h>
+#include <string.h>
+
+#include "nghttp2_net.h"
+
+void nghttp2_put_uint16be(uint8_t *buf, uint16_t n) {
+ uint16_t x = htons(n);
+ memcpy(buf, &x, sizeof(uint16_t));
+}
+
+void nghttp2_put_uint32be(uint8_t *buf, uint32_t n) {
+ uint32_t x = htonl(n);
+ memcpy(buf, &x, sizeof(uint32_t));
+}
+
+uint16_t nghttp2_get_uint16(const uint8_t *data) {
+ uint16_t n;
+ memcpy(&n, data, sizeof(uint16_t));
+ return ntohs(n);
+}
+
+uint32_t nghttp2_get_uint32(const uint8_t *data) {
+ uint32_t n;
+ memcpy(&n, data, sizeof(uint32_t));
+ return ntohl(n);
+}
+
+/* Generated by gendowncasetbl.py */
+static const uint8_t DOWNCASE_TBL[] = {
+ 0 /* NUL */, 1 /* SOH */, 2 /* STX */, 3 /* ETX */,
+ 4 /* EOT */, 5 /* ENQ */, 6 /* ACK */, 7 /* BEL */,
+ 8 /* BS */, 9 /* HT */, 10 /* LF */, 11 /* VT */,
+ 12 /* FF */, 13 /* CR */, 14 /* SO */, 15 /* SI */,
+ 16 /* DLE */, 17 /* DC1 */, 18 /* DC2 */, 19 /* DC3 */,
+ 20 /* DC4 */, 21 /* NAK */, 22 /* SYN */, 23 /* ETB */,
+ 24 /* CAN */, 25 /* EM */, 26 /* SUB */, 27 /* ESC */,
+ 28 /* FS */, 29 /* GS */, 30 /* RS */, 31 /* US */,
+ 32 /* SPC */, 33 /* ! */, 34 /* " */, 35 /* # */,
+ 36 /* $ */, 37 /* % */, 38 /* & */, 39 /* ' */,
+ 40 /* ( */, 41 /* ) */, 42 /* * */, 43 /* + */,
+ 44 /* , */, 45 /* - */, 46 /* . */, 47 /* / */,
+ 48 /* 0 */, 49 /* 1 */, 50 /* 2 */, 51 /* 3 */,
+ 52 /* 4 */, 53 /* 5 */, 54 /* 6 */, 55 /* 7 */,
+ 56 /* 8 */, 57 /* 9 */, 58 /* : */, 59 /* ; */,
+ 60 /* < */, 61 /* = */, 62 /* > */, 63 /* ? */,
+ 64 /* @ */, 97 /* A */, 98 /* B */, 99 /* C */,
+ 100 /* D */, 101 /* E */, 102 /* F */, 103 /* G */,
+ 104 /* H */, 105 /* I */, 106 /* J */, 107 /* K */,
+ 108 /* L */, 109 /* M */, 110 /* N */, 111 /* O */,
+ 112 /* P */, 113 /* Q */, 114 /* R */, 115 /* S */,
+ 116 /* T */, 117 /* U */, 118 /* V */, 119 /* W */,
+ 120 /* X */, 121 /* Y */, 122 /* Z */, 91 /* [ */,
+ 92 /* \ */, 93 /* ] */, 94 /* ^ */, 95 /* _ */,
+ 96 /* ` */, 97 /* a */, 98 /* b */, 99 /* c */,
+ 100 /* d */, 101 /* e */, 102 /* f */, 103 /* g */,
+ 104 /* h */, 105 /* i */, 106 /* j */, 107 /* k */,
+ 108 /* l */, 109 /* m */, 110 /* n */, 111 /* o */,
+ 112 /* p */, 113 /* q */, 114 /* r */, 115 /* s */,
+ 116 /* t */, 117 /* u */, 118 /* v */, 119 /* w */,
+ 120 /* x */, 121 /* y */, 122 /* z */, 123 /* { */,
+ 124 /* | */, 125 /* } */, 126 /* ~ */, 127 /* DEL */,
+ 128 /* 0x80 */, 129 /* 0x81 */, 130 /* 0x82 */, 131 /* 0x83 */,
+ 132 /* 0x84 */, 133 /* 0x85 */, 134 /* 0x86 */, 135 /* 0x87 */,
+ 136 /* 0x88 */, 137 /* 0x89 */, 138 /* 0x8a */, 139 /* 0x8b */,
+ 140 /* 0x8c */, 141 /* 0x8d */, 142 /* 0x8e */, 143 /* 0x8f */,
+ 144 /* 0x90 */, 145 /* 0x91 */, 146 /* 0x92 */, 147 /* 0x93 */,
+ 148 /* 0x94 */, 149 /* 0x95 */, 150 /* 0x96 */, 151 /* 0x97 */,
+ 152 /* 0x98 */, 153 /* 0x99 */, 154 /* 0x9a */, 155 /* 0x9b */,
+ 156 /* 0x9c */, 157 /* 0x9d */, 158 /* 0x9e */, 159 /* 0x9f */,
+ 160 /* 0xa0 */, 161 /* 0xa1 */, 162 /* 0xa2 */, 163 /* 0xa3 */,
+ 164 /* 0xa4 */, 165 /* 0xa5 */, 166 /* 0xa6 */, 167 /* 0xa7 */,
+ 168 /* 0xa8 */, 169 /* 0xa9 */, 170 /* 0xaa */, 171 /* 0xab */,
+ 172 /* 0xac */, 173 /* 0xad */, 174 /* 0xae */, 175 /* 0xaf */,
+ 176 /* 0xb0 */, 177 /* 0xb1 */, 178 /* 0xb2 */, 179 /* 0xb3 */,
+ 180 /* 0xb4 */, 181 /* 0xb5 */, 182 /* 0xb6 */, 183 /* 0xb7 */,
+ 184 /* 0xb8 */, 185 /* 0xb9 */, 186 /* 0xba */, 187 /* 0xbb */,
+ 188 /* 0xbc */, 189 /* 0xbd */, 190 /* 0xbe */, 191 /* 0xbf */,
+ 192 /* 0xc0 */, 193 /* 0xc1 */, 194 /* 0xc2 */, 195 /* 0xc3 */,
+ 196 /* 0xc4 */, 197 /* 0xc5 */, 198 /* 0xc6 */, 199 /* 0xc7 */,
+ 200 /* 0xc8 */, 201 /* 0xc9 */, 202 /* 0xca */, 203 /* 0xcb */,
+ 204 /* 0xcc */, 205 /* 0xcd */, 206 /* 0xce */, 207 /* 0xcf */,
+ 208 /* 0xd0 */, 209 /* 0xd1 */, 210 /* 0xd2 */, 211 /* 0xd3 */,
+ 212 /* 0xd4 */, 213 /* 0xd5 */, 214 /* 0xd6 */, 215 /* 0xd7 */,
+ 216 /* 0xd8 */, 217 /* 0xd9 */, 218 /* 0xda */, 219 /* 0xdb */,
+ 220 /* 0xdc */, 221 /* 0xdd */, 222 /* 0xde */, 223 /* 0xdf */,
+ 224 /* 0xe0 */, 225 /* 0xe1 */, 226 /* 0xe2 */, 227 /* 0xe3 */,
+ 228 /* 0xe4 */, 229 /* 0xe5 */, 230 /* 0xe6 */, 231 /* 0xe7 */,
+ 232 /* 0xe8 */, 233 /* 0xe9 */, 234 /* 0xea */, 235 /* 0xeb */,
+ 236 /* 0xec */, 237 /* 0xed */, 238 /* 0xee */, 239 /* 0xef */,
+ 240 /* 0xf0 */, 241 /* 0xf1 */, 242 /* 0xf2 */, 243 /* 0xf3 */,
+ 244 /* 0xf4 */, 245 /* 0xf5 */, 246 /* 0xf6 */, 247 /* 0xf7 */,
+ 248 /* 0xf8 */, 249 /* 0xf9 */, 250 /* 0xfa */, 251 /* 0xfb */,
+ 252 /* 0xfc */, 253 /* 0xfd */, 254 /* 0xfe */, 255 /* 0xff */,
+};
+
+void nghttp2_downcase(uint8_t *s, size_t len) {
+ size_t i;
+ for (i = 0; i < len; ++i) {
+ s[i] = DOWNCASE_TBL[s[i]];
+ }
+}
+
+/*
+ * local_window_size
+ * ^ *
+ * | * recv_window_size
+ * | * * ^
+ * | * * |
+ * 0+++++++++
+ * | * * \
+ * | * * | This rage is hidden in flow control. But it must be
+ * v * * / kept in order to restore it when window size is enlarged.
+ * recv_reduction
+ * (+ for negative direction)
+ *
+ * recv_window_size could be negative if we decrease
+ * local_window_size more than recv_window_size:
+ *
+ * local_window_size
+ * ^ *
+ * | *
+ * | *
+ * 0++++++++
+ * | * ^ recv_window_size (negative)
+ * | * |
+ * v * *
+ * recv_reduction
+ */
+int nghttp2_adjust_local_window_size(int32_t *local_window_size_ptr,
+ int32_t *recv_window_size_ptr,
+ int32_t *recv_reduction_ptr,
+ int32_t *delta_ptr) {
+ if (*delta_ptr > 0) {
+ int32_t recv_reduction_delta;
+ int32_t delta;
+ int32_t new_recv_window_size =
+ nghttp2_max(0, *recv_window_size_ptr) - *delta_ptr;
+
+ if (new_recv_window_size >= 0) {
+ *recv_window_size_ptr = new_recv_window_size;
+ return 0;
+ }
+
+ delta = -new_recv_window_size;
+
+ /* The delta size is strictly more than received bytes. Increase
+ local_window_size by that difference |delta|. */
+ if (*local_window_size_ptr > NGHTTP2_MAX_WINDOW_SIZE - delta) {
+ return NGHTTP2_ERR_FLOW_CONTROL;
+ }
+ *local_window_size_ptr += delta;
+ /* If there is recv_reduction due to earlier window_size
+ reduction, we have to adjust it too. */
+ recv_reduction_delta = nghttp2_min(*recv_reduction_ptr, delta);
+ *recv_reduction_ptr -= recv_reduction_delta;
+ if (*recv_window_size_ptr < 0) {
+ *recv_window_size_ptr += recv_reduction_delta;
+ } else {
+ /* If *recv_window_size_ptr > 0, then those bytes are going to
+ be returned to the remote peer (by WINDOW_UPDATE with the
+ adjusted *delta_ptr), so it is effectively 0 now. We set to
+ *recv_reduction_delta, because caller does not take into
+ account it in *delta_ptr. */
+ *recv_window_size_ptr = recv_reduction_delta;
+ }
+ /* recv_reduction_delta must be paid from *delta_ptr, since it was
+ added in window size reduction (see below). */
+ *delta_ptr -= recv_reduction_delta;
+
+ return 0;
+ }
+
+ if (*local_window_size_ptr + *delta_ptr < 0 ||
+ *recv_window_size_ptr < INT32_MIN - *delta_ptr ||
+ *recv_reduction_ptr > INT32_MAX + *delta_ptr) {
+ return NGHTTP2_ERR_FLOW_CONTROL;
+ }
+ /* Decreasing local window size. Note that we achieve this without
+ noticing to the remote peer. To do this, we cut
+ recv_window_size by -delta. This means that we don't send
+ WINDOW_UPDATE for -delta bytes. */
+ *local_window_size_ptr += *delta_ptr;
+ *recv_window_size_ptr += *delta_ptr;
+ *recv_reduction_ptr -= *delta_ptr;
+ *delta_ptr = 0;
+
+ return 0;
+}
+
+int nghttp2_increase_local_window_size(int32_t *local_window_size_ptr,
+ int32_t *recv_window_size_ptr,
+ int32_t *recv_reduction_ptr,
+ int32_t *delta_ptr) {
+ int32_t recv_reduction_delta;
+ int32_t delta;
+
+ delta = *delta_ptr;
+
+ assert(delta >= 0);
+
+ /* The delta size is strictly more than received bytes. Increase
+ local_window_size by that difference |delta|. */
+ if (*local_window_size_ptr > NGHTTP2_MAX_WINDOW_SIZE - delta) {
+ return NGHTTP2_ERR_FLOW_CONTROL;
+ }
+
+ *local_window_size_ptr += delta;
+ /* If there is recv_reduction due to earlier window_size
+ reduction, we have to adjust it too. */
+ recv_reduction_delta = nghttp2_min(*recv_reduction_ptr, delta);
+ *recv_reduction_ptr -= recv_reduction_delta;
+
+ *recv_window_size_ptr += recv_reduction_delta;
+
+ /* recv_reduction_delta must be paid from *delta_ptr, since it was
+ added in window size reduction (see below). */
+ *delta_ptr -= recv_reduction_delta;
+
+ return 0;
+}
+
+int nghttp2_should_send_window_update(int32_t local_window_size,
+ int32_t recv_window_size) {
+ return recv_window_size > 0 && recv_window_size >= local_window_size / 2;
+}
+
+const char *nghttp2_strerror(int error_code) {
+ switch (error_code) {
+ case 0:
+ return "Success";
+ case NGHTTP2_ERR_INVALID_ARGUMENT:
+ return "Invalid argument";
+ case NGHTTP2_ERR_BUFFER_ERROR:
+ return "Out of buffer space";
+ case NGHTTP2_ERR_UNSUPPORTED_VERSION:
+ return "Unsupported SPDY version";
+ case NGHTTP2_ERR_WOULDBLOCK:
+ return "Operation would block";
+ case NGHTTP2_ERR_PROTO:
+ return "Protocol error";
+ case NGHTTP2_ERR_INVALID_FRAME:
+ return "Invalid frame octets";
+ case NGHTTP2_ERR_EOF:
+ return "EOF";
+ case NGHTTP2_ERR_DEFERRED:
+ return "Data transfer deferred";
+ case NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE:
+ return "No more Stream ID available";
+ case NGHTTP2_ERR_STREAM_CLOSED:
+ return "Stream was already closed or invalid";
+ case NGHTTP2_ERR_STREAM_CLOSING:
+ return "Stream is closing";
+ case NGHTTP2_ERR_STREAM_SHUT_WR:
+ return "The transmission is not allowed for this stream";
+ case NGHTTP2_ERR_INVALID_STREAM_ID:
+ return "Stream ID is invalid";
+ case NGHTTP2_ERR_INVALID_STREAM_STATE:
+ return "Invalid stream state";
+ case NGHTTP2_ERR_DEFERRED_DATA_EXIST:
+ return "Another DATA frame has already been deferred";
+ case NGHTTP2_ERR_START_STREAM_NOT_ALLOWED:
+ return "request HEADERS is not allowed";
+ case NGHTTP2_ERR_GOAWAY_ALREADY_SENT:
+ return "GOAWAY has already been sent";
+ case NGHTTP2_ERR_INVALID_HEADER_BLOCK:
+ return "Invalid header block";
+ case NGHTTP2_ERR_INVALID_STATE:
+ return "Invalid state";
+ case NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE:
+ return "The user callback function failed due to the temporal error";
+ case NGHTTP2_ERR_FRAME_SIZE_ERROR:
+ return "The length of the frame is invalid";
+ case NGHTTP2_ERR_HEADER_COMP:
+ return "Header compression/decompression error";
+ case NGHTTP2_ERR_FLOW_CONTROL:
+ return "Flow control error";
+ case NGHTTP2_ERR_INSUFF_BUFSIZE:
+ return "Insufficient buffer size given to function";
+ case NGHTTP2_ERR_PAUSE:
+ return "Callback was paused by the application";
+ case NGHTTP2_ERR_TOO_MANY_INFLIGHT_SETTINGS:
+ return "Too many inflight SETTINGS";
+ case NGHTTP2_ERR_PUSH_DISABLED:
+ return "Server push is disabled by peer";
+ case NGHTTP2_ERR_DATA_EXIST:
+ return "DATA or HEADERS frame has already been submitted for the stream";
+ case NGHTTP2_ERR_SESSION_CLOSING:
+ return "The current session is closing";
+ case NGHTTP2_ERR_HTTP_HEADER:
+ return "Invalid HTTP header field was received";
+ case NGHTTP2_ERR_HTTP_MESSAGING:
+ return "Violation in HTTP messaging rule";
+ case NGHTTP2_ERR_REFUSED_STREAM:
+ return "Stream was refused";
+ case NGHTTP2_ERR_INTERNAL:
+ return "Internal error";
+ case NGHTTP2_ERR_CANCEL:
+ return "Cancel";
+ case NGHTTP2_ERR_SETTINGS_EXPECTED:
+ return "When a local endpoint expects to receive SETTINGS frame, it "
+ "receives an other type of frame";
+ case NGHTTP2_ERR_NOMEM:
+ return "Out of memory";
+ case NGHTTP2_ERR_CALLBACK_FAILURE:
+ return "The user callback function failed";
+ case NGHTTP2_ERR_BAD_CLIENT_MAGIC:
+ return "Received bad client magic byte string";
+ case NGHTTP2_ERR_FLOODED:
+ return "Flooding was detected in this HTTP/2 session, and it must be "
+ "closed";
+ case NGHTTP2_ERR_TOO_MANY_SETTINGS:
+ return "SETTINGS frame contained more than the maximum allowed entries";
+ default:
+ return "Unknown error code";
+ }
+}
+
+/* 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 nghttp2_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 nghttp2_check_header_value(const uint8_t *value, size_t len) {
+ const uint8_t *last;
+ for (last = value + len; value != last; ++value) {
+ if (!VALID_HD_VALUE_CHARS[*value]) {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+int nghttp2_check_header_value_rfc9113(const uint8_t *value, size_t len) {
+ if (len == 0) {
+ return 1;
+ }
+
+ if (*value == ' ' || *value == '\t' || *(value + len - 1) == ' ' ||
+ *(value + len - 1) == '\t') {
+ return 0;
+ }
+
+ return nghttp2_check_header_value(value, len);
+}
+
+/* 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 */
+};
+
+int nghttp2_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 */
+};
+
+int nghttp2_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;
+}
+
+/* Generated by genauthoritychartbl.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 */
+};
+
+int nghttp2_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;
+}
+
+uint8_t *nghttp2_cpymem(uint8_t *dest, const void *src, size_t len) {
+ if (len == 0) {
+ return dest;
+ }
+
+ memcpy(dest, src, len);
+
+ return dest + len;
+}
+
+const char *nghttp2_http2_strerror(uint32_t error_code) {
+ switch (error_code) {
+ case NGHTTP2_NO_ERROR:
+ return "NO_ERROR";
+ case NGHTTP2_PROTOCOL_ERROR:
+ return "PROTOCOL_ERROR";
+ case NGHTTP2_INTERNAL_ERROR:
+ return "INTERNAL_ERROR";
+ case NGHTTP2_FLOW_CONTROL_ERROR:
+ return "FLOW_CONTROL_ERROR";
+ case NGHTTP2_SETTINGS_TIMEOUT:
+ return "SETTINGS_TIMEOUT";
+ case NGHTTP2_STREAM_CLOSED:
+ return "STREAM_CLOSED";
+ case NGHTTP2_FRAME_SIZE_ERROR:
+ return "FRAME_SIZE_ERROR";
+ case NGHTTP2_REFUSED_STREAM:
+ return "REFUSED_STREAM";
+ case NGHTTP2_CANCEL:
+ return "CANCEL";
+ case NGHTTP2_COMPRESSION_ERROR:
+ return "COMPRESSION_ERROR";
+ case NGHTTP2_CONNECT_ERROR:
+ return "CONNECT_ERROR";
+ case NGHTTP2_ENHANCE_YOUR_CALM:
+ return "ENHANCE_YOUR_CALM";
+ case NGHTTP2_INADEQUATE_SECURITY:
+ return "INADEQUATE_SECURITY";
+ case NGHTTP2_HTTP_1_1_REQUIRED:
+ return "HTTP_1_1_REQUIRED";
+ default:
+ return "unknown";
+ }
+}