Coverage Report

Created: 2025-06-07 06:02

/src/nghttp2/lib/nghttp2_helper.c
Line
Count
Source (jump to first uncovered line)
1
/*
2
 * nghttp2 - HTTP/2 C Library
3
 *
4
 * Copyright (c) 2012 Tatsuhiro Tsujikawa
5
 *
6
 * Permission is hereby granted, free of charge, to any person obtaining
7
 * a copy of this software and associated documentation files (the
8
 * "Software"), to deal in the Software without restriction, including
9
 * without limitation the rights to use, copy, modify, merge, publish,
10
 * distribute, sublicense, and/or sell copies of the Software, and to
11
 * permit persons to whom the Software is furnished to do so, subject to
12
 * the following conditions:
13
 *
14
 * The above copyright notice and this permission notice shall be
15
 * included in all copies or substantial portions of the Software.
16
 *
17
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24
 */
25
#include "nghttp2_helper.h"
26
27
#include <assert.h>
28
#include <string.h>
29
30
#include "nghttp2_net.h"
31
32
12.3k
void nghttp2_put_uint16be(uint8_t *buf, uint16_t n) {
33
12.3k
  uint16_t x = htons(n);
34
12.3k
  memcpy(buf, &x, sizeof(uint16_t));
35
12.3k
}
36
37
134k
void nghttp2_put_uint32be(uint8_t *buf, uint32_t n) {
38
134k
  uint32_t x = htonl(n);
39
134k
  memcpy(buf, &x, sizeof(uint32_t));
40
134k
}
41
42
4.19k
uint16_t nghttp2_get_uint16(const uint8_t *data) {
43
4.19k
  uint16_t n;
44
4.19k
  memcpy(&n, data, sizeof(uint16_t));
45
4.19k
  return ntohs(n);
46
4.19k
}
47
48
109k
uint32_t nghttp2_get_uint32(const uint8_t *data) {
49
109k
  uint32_t n;
50
109k
  memcpy(&n, data, sizeof(uint32_t));
51
109k
  return ntohl(n);
52
109k
}
53
54
/* Generated by gendowncasetbl.py */
55
static const uint8_t DOWNCASE_TBL[] = {
56
  0 /* NUL  */,   1 /* SOH  */,   2 /* STX  */,   3 /* ETX  */,
57
  4 /* EOT  */,   5 /* ENQ  */,   6 /* ACK  */,   7 /* BEL  */,
58
  8 /* BS   */,   9 /* HT   */,   10 /* LF   */,  11 /* VT   */,
59
  12 /* FF   */,  13 /* CR   */,  14 /* SO   */,  15 /* SI   */,
60
  16 /* DLE  */,  17 /* DC1  */,  18 /* DC2  */,  19 /* DC3  */,
61
  20 /* DC4  */,  21 /* NAK  */,  22 /* SYN  */,  23 /* ETB  */,
62
  24 /* CAN  */,  25 /* EM   */,  26 /* SUB  */,  27 /* ESC  */,
63
  28 /* FS   */,  29 /* GS   */,  30 /* RS   */,  31 /* US   */,
64
  32 /* SPC  */,  33 /* !    */,  34 /* "    */,  35 /* #    */,
65
  36 /* $    */,  37 /* %    */,  38 /* &    */,  39 /* '    */,
66
  40 /* (    */,  41 /* )    */,  42 /* *    */,  43 /* +    */,
67
  44 /* ,    */,  45 /* -    */,  46 /* .    */,  47 /* /    */,
68
  48 /* 0    */,  49 /* 1    */,  50 /* 2    */,  51 /* 3    */,
69
  52 /* 4    */,  53 /* 5    */,  54 /* 6    */,  55 /* 7    */,
70
  56 /* 8    */,  57 /* 9    */,  58 /* :    */,  59 /* ;    */,
71
  60 /* <    */,  61 /* =    */,  62 /* >    */,  63 /* ?    */,
72
  64 /* @    */,  97 /* A    */,  98 /* B    */,  99 /* C    */,
73
  100 /* D    */, 101 /* E    */, 102 /* F    */, 103 /* G    */,
74
  104 /* H    */, 105 /* I    */, 106 /* J    */, 107 /* K    */,
75
  108 /* L    */, 109 /* M    */, 110 /* N    */, 111 /* O    */,
76
  112 /* P    */, 113 /* Q    */, 114 /* R    */, 115 /* S    */,
77
  116 /* T    */, 117 /* U    */, 118 /* V    */, 119 /* W    */,
78
  120 /* X    */, 121 /* Y    */, 122 /* Z    */, 91 /* [    */,
79
  92 /* \    */,  93 /* ]    */,  94 /* ^    */,  95 /* _    */,
80
  96 /* `    */,  97 /* a    */,  98 /* b    */,  99 /* c    */,
81
  100 /* d    */, 101 /* e    */, 102 /* f    */, 103 /* g    */,
82
  104 /* h    */, 105 /* i    */, 106 /* j    */, 107 /* k    */,
83
  108 /* l    */, 109 /* m    */, 110 /* n    */, 111 /* o    */,
84
  112 /* p    */, 113 /* q    */, 114 /* r    */, 115 /* s    */,
85
  116 /* t    */, 117 /* u    */, 118 /* v    */, 119 /* w    */,
86
  120 /* x    */, 121 /* y    */, 122 /* z    */, 123 /* {    */,
87
  124 /* |    */, 125 /* }    */, 126 /* ~    */, 127 /* DEL  */,
88
  128 /* 0x80 */, 129 /* 0x81 */, 130 /* 0x82 */, 131 /* 0x83 */,
89
  132 /* 0x84 */, 133 /* 0x85 */, 134 /* 0x86 */, 135 /* 0x87 */,
90
  136 /* 0x88 */, 137 /* 0x89 */, 138 /* 0x8a */, 139 /* 0x8b */,
91
  140 /* 0x8c */, 141 /* 0x8d */, 142 /* 0x8e */, 143 /* 0x8f */,
92
  144 /* 0x90 */, 145 /* 0x91 */, 146 /* 0x92 */, 147 /* 0x93 */,
93
  148 /* 0x94 */, 149 /* 0x95 */, 150 /* 0x96 */, 151 /* 0x97 */,
94
  152 /* 0x98 */, 153 /* 0x99 */, 154 /* 0x9a */, 155 /* 0x9b */,
95
  156 /* 0x9c */, 157 /* 0x9d */, 158 /* 0x9e */, 159 /* 0x9f */,
96
  160 /* 0xa0 */, 161 /* 0xa1 */, 162 /* 0xa2 */, 163 /* 0xa3 */,
97
  164 /* 0xa4 */, 165 /* 0xa5 */, 166 /* 0xa6 */, 167 /* 0xa7 */,
98
  168 /* 0xa8 */, 169 /* 0xa9 */, 170 /* 0xaa */, 171 /* 0xab */,
99
  172 /* 0xac */, 173 /* 0xad */, 174 /* 0xae */, 175 /* 0xaf */,
100
  176 /* 0xb0 */, 177 /* 0xb1 */, 178 /* 0xb2 */, 179 /* 0xb3 */,
101
  180 /* 0xb4 */, 181 /* 0xb5 */, 182 /* 0xb6 */, 183 /* 0xb7 */,
102
  184 /* 0xb8 */, 185 /* 0xb9 */, 186 /* 0xba */, 187 /* 0xbb */,
103
  188 /* 0xbc */, 189 /* 0xbd */, 190 /* 0xbe */, 191 /* 0xbf */,
104
  192 /* 0xc0 */, 193 /* 0xc1 */, 194 /* 0xc2 */, 195 /* 0xc3 */,
105
  196 /* 0xc4 */, 197 /* 0xc5 */, 198 /* 0xc6 */, 199 /* 0xc7 */,
106
  200 /* 0xc8 */, 201 /* 0xc9 */, 202 /* 0xca */, 203 /* 0xcb */,
107
  204 /* 0xcc */, 205 /* 0xcd */, 206 /* 0xce */, 207 /* 0xcf */,
108
  208 /* 0xd0 */, 209 /* 0xd1 */, 210 /* 0xd2 */, 211 /* 0xd3 */,
109
  212 /* 0xd4 */, 213 /* 0xd5 */, 214 /* 0xd6 */, 215 /* 0xd7 */,
110
  216 /* 0xd8 */, 217 /* 0xd9 */, 218 /* 0xda */, 219 /* 0xdb */,
111
  220 /* 0xdc */, 221 /* 0xdd */, 222 /* 0xde */, 223 /* 0xdf */,
112
  224 /* 0xe0 */, 225 /* 0xe1 */, 226 /* 0xe2 */, 227 /* 0xe3 */,
113
  228 /* 0xe4 */, 229 /* 0xe5 */, 230 /* 0xe6 */, 231 /* 0xe7 */,
114
  232 /* 0xe8 */, 233 /* 0xe9 */, 234 /* 0xea */, 235 /* 0xeb */,
115
  236 /* 0xec */, 237 /* 0xed */, 238 /* 0xee */, 239 /* 0xef */,
116
  240 /* 0xf0 */, 241 /* 0xf1 */, 242 /* 0xf2 */, 243 /* 0xf3 */,
117
  244 /* 0xf4 */, 245 /* 0xf5 */, 246 /* 0xf6 */, 247 /* 0xf7 */,
118
  248 /* 0xf8 */, 249 /* 0xf9 */, 250 /* 0xfa */, 251 /* 0xfb */,
119
  252 /* 0xfc */, 253 /* 0xfd */, 254 /* 0xfe */, 255 /* 0xff */,
120
};
121
122
0
void nghttp2_downcase(uint8_t *s, size_t len) {
123
0
  size_t i;
124
0
  for (i = 0; i < len; ++i) {
125
0
    s[i] = DOWNCASE_TBL[s[i]];
126
0
  }
127
0
}
128
129
/*
130
 *   local_window_size
131
 *   ^  *
132
 *   |  *    recv_window_size
133
 *   |  *  * ^
134
 *   |  *  * |
135
 *  0+++++++++
136
 *   |  *  *   \
137
 *   |  *  *   | This rage is hidden in flow control.  But it must be
138
 *   v  *  *   / kept in order to restore it when window size is enlarged.
139
 *   recv_reduction
140
 *   (+ for negative direction)
141
 *
142
 *   recv_window_size could be negative if we decrease
143
 *   local_window_size more than recv_window_size:
144
 *
145
 *   local_window_size
146
 *   ^  *
147
 *   |  *
148
 *   |  *
149
 *   0++++++++
150
 *   |  *    ^ recv_window_size (negative)
151
 *   |  *    |
152
 *   v  *  *
153
 *   recv_reduction
154
 */
155
int nghttp2_adjust_local_window_size(int32_t *local_window_size_ptr,
156
                                     int32_t *recv_window_size_ptr,
157
                                     int32_t *recv_reduction_ptr,
158
0
                                     int32_t *delta_ptr) {
159
0
  if (*delta_ptr > 0) {
160
0
    int32_t recv_reduction_delta;
161
0
    int32_t delta;
162
0
    int32_t new_recv_window_size =
163
0
      nghttp2_max_int32(0, *recv_window_size_ptr) - *delta_ptr;
164
165
0
    if (new_recv_window_size >= 0) {
166
0
      *recv_window_size_ptr = new_recv_window_size;
167
0
      return 0;
168
0
    }
169
170
0
    delta = -new_recv_window_size;
171
172
    /* The delta size is strictly more than received bytes. Increase
173
       local_window_size by that difference |delta|. */
174
0
    if (*local_window_size_ptr > NGHTTP2_MAX_WINDOW_SIZE - delta) {
175
0
      return NGHTTP2_ERR_FLOW_CONTROL;
176
0
    }
177
0
    *local_window_size_ptr += delta;
178
    /* If there is recv_reduction due to earlier window_size
179
       reduction, we have to adjust it too. */
180
0
    recv_reduction_delta = nghttp2_min_int32(*recv_reduction_ptr, delta);
181
0
    *recv_reduction_ptr -= recv_reduction_delta;
182
0
    if (*recv_window_size_ptr < 0) {
183
0
      *recv_window_size_ptr += recv_reduction_delta;
184
0
    } else {
185
      /* If *recv_window_size_ptr > 0, then those bytes are going to
186
         be returned to the remote peer (by WINDOW_UPDATE with the
187
         adjusted *delta_ptr), so it is effectively 0 now.  We set to
188
         *recv_reduction_delta, because caller does not take into
189
         account it in *delta_ptr. */
190
0
      *recv_window_size_ptr = recv_reduction_delta;
191
0
    }
192
    /* recv_reduction_delta must be paid from *delta_ptr, since it was
193
       added in window size reduction (see below). */
194
0
    *delta_ptr -= recv_reduction_delta;
195
196
0
    return 0;
197
0
  }
198
199
0
  if (*local_window_size_ptr + *delta_ptr < 0 ||
200
0
      *recv_window_size_ptr < INT32_MIN - *delta_ptr ||
201
0
      *recv_reduction_ptr > INT32_MAX + *delta_ptr) {
202
0
    return NGHTTP2_ERR_FLOW_CONTROL;
203
0
  }
204
  /* Decreasing local window size. Note that we achieve this without
205
     noticing to the remote peer. To do this, we cut
206
     recv_window_size by -delta. This means that we don't send
207
     WINDOW_UPDATE for -delta bytes. */
208
0
  *local_window_size_ptr += *delta_ptr;
209
0
  *recv_window_size_ptr += *delta_ptr;
210
0
  *recv_reduction_ptr -= *delta_ptr;
211
0
  *delta_ptr = 0;
212
213
0
  return 0;
214
0
}
215
216
int nghttp2_increase_local_window_size(int32_t *local_window_size_ptr,
217
                                       int32_t *recv_window_size_ptr,
218
                                       int32_t *recv_reduction_ptr,
219
0
                                       int32_t *delta_ptr) {
220
0
  int32_t recv_reduction_delta;
221
0
  int32_t delta;
222
223
0
  delta = *delta_ptr;
224
225
0
  assert(delta >= 0);
226
227
  /* The delta size is strictly more than received bytes. Increase
228
     local_window_size by that difference |delta|. */
229
0
  if (*local_window_size_ptr > NGHTTP2_MAX_WINDOW_SIZE - delta) {
230
0
    return NGHTTP2_ERR_FLOW_CONTROL;
231
0
  }
232
233
0
  *local_window_size_ptr += delta;
234
  /* If there is recv_reduction due to earlier window_size
235
     reduction, we have to adjust it too. */
236
0
  recv_reduction_delta = nghttp2_min_int32(*recv_reduction_ptr, delta);
237
0
  *recv_reduction_ptr -= recv_reduction_delta;
238
239
0
  *recv_window_size_ptr += recv_reduction_delta;
240
241
  /* recv_reduction_delta must be paid from *delta_ptr, since it was
242
     added in window size reduction (see below). */
243
0
  *delta_ptr -= recv_reduction_delta;
244
245
0
  return 0;
246
0
}
247
248
int nghttp2_should_send_window_update(int32_t local_window_size,
249
1.64k
                                      int32_t recv_window_size) {
250
1.64k
  return recv_window_size > 0 && recv_window_size >= local_window_size / 2;
251
1.64k
}
252
253
0
const char *nghttp2_strerror(int error_code) {
254
0
  switch (error_code) {
255
0
  case 0:
256
0
    return "Success";
257
0
  case NGHTTP2_ERR_INVALID_ARGUMENT:
258
0
    return "Invalid argument";
259
0
  case NGHTTP2_ERR_BUFFER_ERROR:
260
0
    return "Out of buffer space";
261
0
  case NGHTTP2_ERR_UNSUPPORTED_VERSION:
262
0
    return "Unsupported SPDY version";
263
0
  case NGHTTP2_ERR_WOULDBLOCK:
264
0
    return "Operation would block";
265
0
  case NGHTTP2_ERR_PROTO:
266
0
    return "Protocol error";
267
0
  case NGHTTP2_ERR_INVALID_FRAME:
268
0
    return "Invalid frame octets";
269
0
  case NGHTTP2_ERR_EOF:
270
0
    return "EOF";
271
0
  case NGHTTP2_ERR_DEFERRED:
272
0
    return "Data transfer deferred";
273
0
  case NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE:
274
0
    return "No more Stream ID available";
275
0
  case NGHTTP2_ERR_STREAM_CLOSED:
276
0
    return "Stream was already closed or invalid";
277
0
  case NGHTTP2_ERR_STREAM_CLOSING:
278
0
    return "Stream is closing";
279
0
  case NGHTTP2_ERR_STREAM_SHUT_WR:
280
0
    return "The transmission is not allowed for this stream";
281
0
  case NGHTTP2_ERR_INVALID_STREAM_ID:
282
0
    return "Stream ID is invalid";
283
0
  case NGHTTP2_ERR_INVALID_STREAM_STATE:
284
0
    return "Invalid stream state";
285
0
  case NGHTTP2_ERR_DEFERRED_DATA_EXIST:
286
0
    return "Another DATA frame has already been deferred";
287
0
  case NGHTTP2_ERR_START_STREAM_NOT_ALLOWED:
288
0
    return "request HEADERS is not allowed";
289
0
  case NGHTTP2_ERR_GOAWAY_ALREADY_SENT:
290
0
    return "GOAWAY has already been sent";
291
0
  case NGHTTP2_ERR_INVALID_HEADER_BLOCK:
292
0
    return "Invalid header block";
293
0
  case NGHTTP2_ERR_INVALID_STATE:
294
0
    return "Invalid state";
295
0
  case NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE:
296
0
    return "The user callback function failed due to the temporal error";
297
0
  case NGHTTP2_ERR_FRAME_SIZE_ERROR:
298
0
    return "The length of the frame is invalid";
299
0
  case NGHTTP2_ERR_HEADER_COMP:
300
0
    return "Header compression/decompression error";
301
0
  case NGHTTP2_ERR_FLOW_CONTROL:
302
0
    return "Flow control error";
303
0
  case NGHTTP2_ERR_INSUFF_BUFSIZE:
304
0
    return "Insufficient buffer size given to function";
305
0
  case NGHTTP2_ERR_PAUSE:
306
0
    return "Callback was paused by the application";
307
0
  case NGHTTP2_ERR_TOO_MANY_INFLIGHT_SETTINGS:
308
0
    return "Too many inflight SETTINGS";
309
0
  case NGHTTP2_ERR_PUSH_DISABLED:
310
0
    return "Server push is disabled by peer";
311
0
  case NGHTTP2_ERR_DATA_EXIST:
312
0
    return "DATA or HEADERS frame has already been submitted for the stream";
313
0
  case NGHTTP2_ERR_SESSION_CLOSING:
314
0
    return "The current session is closing";
315
0
  case NGHTTP2_ERR_HTTP_HEADER:
316
0
    return "Invalid HTTP header field was received";
317
0
  case NGHTTP2_ERR_HTTP_MESSAGING:
318
0
    return "Violation in HTTP messaging rule";
319
0
  case NGHTTP2_ERR_REFUSED_STREAM:
320
0
    return "Stream was refused";
321
0
  case NGHTTP2_ERR_INTERNAL:
322
0
    return "Internal error";
323
0
  case NGHTTP2_ERR_CANCEL:
324
0
    return "Cancel";
325
0
  case NGHTTP2_ERR_SETTINGS_EXPECTED:
326
0
    return "When a local endpoint expects to receive SETTINGS frame, it "
327
0
           "receives an other type of frame";
328
0
  case NGHTTP2_ERR_NOMEM:
329
0
    return "Out of memory";
330
0
  case NGHTTP2_ERR_CALLBACK_FAILURE:
331
0
    return "The user callback function failed";
332
0
  case NGHTTP2_ERR_BAD_CLIENT_MAGIC:
333
0
    return "Received bad client magic byte string";
334
0
  case NGHTTP2_ERR_FLOODED:
335
0
    return "Flooding was detected in this HTTP/2 session, and it must be "
336
0
           "closed";
337
0
  case NGHTTP2_ERR_TOO_MANY_SETTINGS:
338
0
    return "SETTINGS frame contained more than the maximum allowed entries";
339
0
  case NGHTTP2_ERR_TOO_MANY_CONTINUATIONS:
340
0
    return "Too many CONTINUATION frames following a HEADER frame";
341
0
  default:
342
0
    return "Unknown error code";
343
0
  }
344
0
}
345
346
/* Generated by gennmchartbl.py */
347
static const int VALID_HD_NAME_CHARS[] = {
348
  0 /* NUL  */, 0 /* SOH  */, 0 /* STX  */, 0 /* ETX  */,
349
  0 /* EOT  */, 0 /* ENQ  */, 0 /* ACK  */, 0 /* BEL  */,
350
  0 /* BS   */, 0 /* HT   */, 0 /* LF   */, 0 /* VT   */,
351
  0 /* FF   */, 0 /* CR   */, 0 /* SO   */, 0 /* SI   */,
352
  0 /* DLE  */, 0 /* DC1  */, 0 /* DC2  */, 0 /* DC3  */,
353
  0 /* DC4  */, 0 /* NAK  */, 0 /* SYN  */, 0 /* ETB  */,
354
  0 /* CAN  */, 0 /* EM   */, 0 /* SUB  */, 0 /* ESC  */,
355
  0 /* FS   */, 0 /* GS   */, 0 /* RS   */, 0 /* US   */,
356
  0 /* SPC  */, 1 /* !    */, 0 /* "    */, 1 /* #    */,
357
  1 /* $    */, 1 /* %    */, 1 /* &    */, 1 /* '    */,
358
  0 /* (    */, 0 /* )    */, 1 /* *    */, 1 /* +    */,
359
  0 /* ,    */, 1 /* -    */, 1 /* .    */, 0 /* /    */,
360
  1 /* 0    */, 1 /* 1    */, 1 /* 2    */, 1 /* 3    */,
361
  1 /* 4    */, 1 /* 5    */, 1 /* 6    */, 1 /* 7    */,
362
  1 /* 8    */, 1 /* 9    */, 0 /* :    */, 0 /* ;    */,
363
  0 /* <    */, 0 /* =    */, 0 /* >    */, 0 /* ?    */,
364
  0 /* @    */, 0 /* A    */, 0 /* B    */, 0 /* C    */,
365
  0 /* D    */, 0 /* E    */, 0 /* F    */, 0 /* G    */,
366
  0 /* H    */, 0 /* I    */, 0 /* J    */, 0 /* K    */,
367
  0 /* L    */, 0 /* M    */, 0 /* N    */, 0 /* O    */,
368
  0 /* P    */, 0 /* Q    */, 0 /* R    */, 0 /* S    */,
369
  0 /* T    */, 0 /* U    */, 0 /* V    */, 0 /* W    */,
370
  0 /* X    */, 0 /* Y    */, 0 /* Z    */, 0 /* [    */,
371
  0 /* \    */, 0 /* ]    */, 1 /* ^    */, 1 /* _    */,
372
  1 /* `    */, 1 /* a    */, 1 /* b    */, 1 /* c    */,
373
  1 /* d    */, 1 /* e    */, 1 /* f    */, 1 /* g    */,
374
  1 /* h    */, 1 /* i    */, 1 /* j    */, 1 /* k    */,
375
  1 /* l    */, 1 /* m    */, 1 /* n    */, 1 /* o    */,
376
  1 /* p    */, 1 /* q    */, 1 /* r    */, 1 /* s    */,
377
  1 /* t    */, 1 /* u    */, 1 /* v    */, 1 /* w    */,
378
  1 /* x    */, 1 /* y    */, 1 /* z    */, 0 /* {    */,
379
  1 /* |    */, 0 /* }    */, 1 /* ~    */, 0 /* DEL  */,
380
  0 /* 0x80 */, 0 /* 0x81 */, 0 /* 0x82 */, 0 /* 0x83 */,
381
  0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */, 0 /* 0x87 */,
382
  0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
383
  0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */,
384
  0 /* 0x90 */, 0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */,
385
  0 /* 0x94 */, 0 /* 0x95 */, 0 /* 0x96 */, 0 /* 0x97 */,
386
  0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */, 0 /* 0x9b */,
387
  0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
388
  0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */,
389
  0 /* 0xa4 */, 0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */,
390
  0 /* 0xa8 */, 0 /* 0xa9 */, 0 /* 0xaa */, 0 /* 0xab */,
391
  0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */, 0 /* 0xaf */,
392
  0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
393
  0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */,
394
  0 /* 0xb8 */, 0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */,
395
  0 /* 0xbc */, 0 /* 0xbd */, 0 /* 0xbe */, 0 /* 0xbf */,
396
  0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */, 0 /* 0xc3 */,
397
  0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
398
  0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */,
399
  0 /* 0xcc */, 0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */,
400
  0 /* 0xd0 */, 0 /* 0xd1 */, 0 /* 0xd2 */, 0 /* 0xd3 */,
401
  0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */, 0 /* 0xd7 */,
402
  0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
403
  0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */,
404
  0 /* 0xe0 */, 0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */,
405
  0 /* 0xe4 */, 0 /* 0xe5 */, 0 /* 0xe6 */, 0 /* 0xe7 */,
406
  0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */, 0 /* 0xeb */,
407
  0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
408
  0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */,
409
  0 /* 0xf4 */, 0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */,
410
  0 /* 0xf8 */, 0 /* 0xf9 */, 0 /* 0xfa */, 0 /* 0xfb */,
411
  0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */, 0 /* 0xff */
412
};
413
414
58.3k
int nghttp2_check_header_name(const uint8_t *name, size_t len) {
415
58.3k
  const uint8_t *last;
416
58.3k
  if (len == 0) {
417
698
    return 0;
418
698
  }
419
57.6k
  if (*name == ':') {
420
8.32k
    if (len == 1) {
421
66
      return 0;
422
66
    }
423
8.25k
    ++name;
424
8.25k
    --len;
425
8.25k
  }
426
515k
  for (last = name + len; name != last; ++name) {
427
458k
    if (!VALID_HD_NAME_CHARS[*name]) {
428
1.07k
      return 0;
429
1.07k
    }
430
458k
  }
431
56.5k
  return 1;
432
57.5k
}
433
434
/* Generated by genvchartbl.py */
435
static const int VALID_HD_VALUE_CHARS[] = {
436
  0 /* NUL  */, 0 /* SOH  */, 0 /* STX  */, 0 /* ETX  */,
437
  0 /* EOT  */, 0 /* ENQ  */, 0 /* ACK  */, 0 /* BEL  */,
438
  0 /* BS   */, 1 /* HT   */, 0 /* LF   */, 0 /* VT   */,
439
  0 /* FF   */, 0 /* CR   */, 0 /* SO   */, 0 /* SI   */,
440
  0 /* DLE  */, 0 /* DC1  */, 0 /* DC2  */, 0 /* DC3  */,
441
  0 /* DC4  */, 0 /* NAK  */, 0 /* SYN  */, 0 /* ETB  */,
442
  0 /* CAN  */, 0 /* EM   */, 0 /* SUB  */, 0 /* ESC  */,
443
  0 /* FS   */, 0 /* GS   */, 0 /* RS   */, 0 /* US   */,
444
  1 /* SPC  */, 1 /* !    */, 1 /* "    */, 1 /* #    */,
445
  1 /* $    */, 1 /* %    */, 1 /* &    */, 1 /* '    */,
446
  1 /* (    */, 1 /* )    */, 1 /* *    */, 1 /* +    */,
447
  1 /* ,    */, 1 /* -    */, 1 /* .    */, 1 /* /    */,
448
  1 /* 0    */, 1 /* 1    */, 1 /* 2    */, 1 /* 3    */,
449
  1 /* 4    */, 1 /* 5    */, 1 /* 6    */, 1 /* 7    */,
450
  1 /* 8    */, 1 /* 9    */, 1 /* :    */, 1 /* ;    */,
451
  1 /* <    */, 1 /* =    */, 1 /* >    */, 1 /* ?    */,
452
  1 /* @    */, 1 /* A    */, 1 /* B    */, 1 /* C    */,
453
  1 /* D    */, 1 /* E    */, 1 /* F    */, 1 /* G    */,
454
  1 /* H    */, 1 /* I    */, 1 /* J    */, 1 /* K    */,
455
  1 /* L    */, 1 /* M    */, 1 /* N    */, 1 /* O    */,
456
  1 /* P    */, 1 /* Q    */, 1 /* R    */, 1 /* S    */,
457
  1 /* T    */, 1 /* U    */, 1 /* V    */, 1 /* W    */,
458
  1 /* X    */, 1 /* Y    */, 1 /* Z    */, 1 /* [    */,
459
  1 /* \    */, 1 /* ]    */, 1 /* ^    */, 1 /* _    */,
460
  1 /* `    */, 1 /* a    */, 1 /* b    */, 1 /* c    */,
461
  1 /* d    */, 1 /* e    */, 1 /* f    */, 1 /* g    */,
462
  1 /* h    */, 1 /* i    */, 1 /* j    */, 1 /* k    */,
463
  1 /* l    */, 1 /* m    */, 1 /* n    */, 1 /* o    */,
464
  1 /* p    */, 1 /* q    */, 1 /* r    */, 1 /* s    */,
465
  1 /* t    */, 1 /* u    */, 1 /* v    */, 1 /* w    */,
466
  1 /* x    */, 1 /* y    */, 1 /* z    */, 1 /* {    */,
467
  1 /* |    */, 1 /* }    */, 1 /* ~    */, 0 /* DEL  */,
468
  1 /* 0x80 */, 1 /* 0x81 */, 1 /* 0x82 */, 1 /* 0x83 */,
469
  1 /* 0x84 */, 1 /* 0x85 */, 1 /* 0x86 */, 1 /* 0x87 */,
470
  1 /* 0x88 */, 1 /* 0x89 */, 1 /* 0x8a */, 1 /* 0x8b */,
471
  1 /* 0x8c */, 1 /* 0x8d */, 1 /* 0x8e */, 1 /* 0x8f */,
472
  1 /* 0x90 */, 1 /* 0x91 */, 1 /* 0x92 */, 1 /* 0x93 */,
473
  1 /* 0x94 */, 1 /* 0x95 */, 1 /* 0x96 */, 1 /* 0x97 */,
474
  1 /* 0x98 */, 1 /* 0x99 */, 1 /* 0x9a */, 1 /* 0x9b */,
475
  1 /* 0x9c */, 1 /* 0x9d */, 1 /* 0x9e */, 1 /* 0x9f */,
476
  1 /* 0xa0 */, 1 /* 0xa1 */, 1 /* 0xa2 */, 1 /* 0xa3 */,
477
  1 /* 0xa4 */, 1 /* 0xa5 */, 1 /* 0xa6 */, 1 /* 0xa7 */,
478
  1 /* 0xa8 */, 1 /* 0xa9 */, 1 /* 0xaa */, 1 /* 0xab */,
479
  1 /* 0xac */, 1 /* 0xad */, 1 /* 0xae */, 1 /* 0xaf */,
480
  1 /* 0xb0 */, 1 /* 0xb1 */, 1 /* 0xb2 */, 1 /* 0xb3 */,
481
  1 /* 0xb4 */, 1 /* 0xb5 */, 1 /* 0xb6 */, 1 /* 0xb7 */,
482
  1 /* 0xb8 */, 1 /* 0xb9 */, 1 /* 0xba */, 1 /* 0xbb */,
483
  1 /* 0xbc */, 1 /* 0xbd */, 1 /* 0xbe */, 1 /* 0xbf */,
484
  1 /* 0xc0 */, 1 /* 0xc1 */, 1 /* 0xc2 */, 1 /* 0xc3 */,
485
  1 /* 0xc4 */, 1 /* 0xc5 */, 1 /* 0xc6 */, 1 /* 0xc7 */,
486
  1 /* 0xc8 */, 1 /* 0xc9 */, 1 /* 0xca */, 1 /* 0xcb */,
487
  1 /* 0xcc */, 1 /* 0xcd */, 1 /* 0xce */, 1 /* 0xcf */,
488
  1 /* 0xd0 */, 1 /* 0xd1 */, 1 /* 0xd2 */, 1 /* 0xd3 */,
489
  1 /* 0xd4 */, 1 /* 0xd5 */, 1 /* 0xd6 */, 1 /* 0xd7 */,
490
  1 /* 0xd8 */, 1 /* 0xd9 */, 1 /* 0xda */, 1 /* 0xdb */,
491
  1 /* 0xdc */, 1 /* 0xdd */, 1 /* 0xde */, 1 /* 0xdf */,
492
  1 /* 0xe0 */, 1 /* 0xe1 */, 1 /* 0xe2 */, 1 /* 0xe3 */,
493
  1 /* 0xe4 */, 1 /* 0xe5 */, 1 /* 0xe6 */, 1 /* 0xe7 */,
494
  1 /* 0xe8 */, 1 /* 0xe9 */, 1 /* 0xea */, 1 /* 0xeb */,
495
  1 /* 0xec */, 1 /* 0xed */, 1 /* 0xee */, 1 /* 0xef */,
496
  1 /* 0xf0 */, 1 /* 0xf1 */, 1 /* 0xf2 */, 1 /* 0xf3 */,
497
  1 /* 0xf4 */, 1 /* 0xf5 */, 1 /* 0xf6 */, 1 /* 0xf7 */,
498
  1 /* 0xf8 */, 1 /* 0xf9 */, 1 /* 0xfa */, 1 /* 0xfb */,
499
  1 /* 0xfc */, 1 /* 0xfd */, 1 /* 0xfe */, 1 /* 0xff */
500
};
501
502
38.8k
int nghttp2_check_header_value(const uint8_t *value, size_t len) {
503
38.8k
  const uint8_t *last;
504
1.70M
  for (last = value + len; value != last; ++value) {
505
1.66M
    if (!VALID_HD_VALUE_CHARS[*value]) {
506
101
      return 0;
507
101
    }
508
1.66M
  }
509
38.7k
  return 1;
510
38.8k
}
511
512
48.3k
int nghttp2_check_header_value_rfc9113(const uint8_t *value, size_t len) {
513
48.3k
  if (len == 0) {
514
9.26k
    return 1;
515
9.26k
  }
516
517
39.1k
  if (*value == ' ' || *value == '\t' || *(value + len - 1) == ' ' ||
518
39.1k
      *(value + len - 1) == '\t') {
519
264
    return 0;
520
264
  }
521
522
38.8k
  return nghttp2_check_header_value(value, len);
523
39.1k
}
524
525
/* Generated by genmethodchartbl.py */
526
static char VALID_METHOD_CHARS[] = {
527
  0 /* NUL  */, 0 /* SOH  */, 0 /* STX  */, 0 /* ETX  */,
528
  0 /* EOT  */, 0 /* ENQ  */, 0 /* ACK  */, 0 /* BEL  */,
529
  0 /* BS   */, 0 /* HT   */, 0 /* LF   */, 0 /* VT   */,
530
  0 /* FF   */, 0 /* CR   */, 0 /* SO   */, 0 /* SI   */,
531
  0 /* DLE  */, 0 /* DC1  */, 0 /* DC2  */, 0 /* DC3  */,
532
  0 /* DC4  */, 0 /* NAK  */, 0 /* SYN  */, 0 /* ETB  */,
533
  0 /* CAN  */, 0 /* EM   */, 0 /* SUB  */, 0 /* ESC  */,
534
  0 /* FS   */, 0 /* GS   */, 0 /* RS   */, 0 /* US   */,
535
  0 /* SPC  */, 1 /* !    */, 0 /* "    */, 1 /* #    */,
536
  1 /* $    */, 1 /* %    */, 1 /* &    */, 1 /* '    */,
537
  0 /* (    */, 0 /* )    */, 1 /* *    */, 1 /* +    */,
538
  0 /* ,    */, 1 /* -    */, 1 /* .    */, 0 /* /    */,
539
  1 /* 0    */, 1 /* 1    */, 1 /* 2    */, 1 /* 3    */,
540
  1 /* 4    */, 1 /* 5    */, 1 /* 6    */, 1 /* 7    */,
541
  1 /* 8    */, 1 /* 9    */, 0 /* :    */, 0 /* ;    */,
542
  0 /* <    */, 0 /* =    */, 0 /* >    */, 0 /* ?    */,
543
  0 /* @    */, 1 /* A    */, 1 /* B    */, 1 /* C    */,
544
  1 /* D    */, 1 /* E    */, 1 /* F    */, 1 /* G    */,
545
  1 /* H    */, 1 /* I    */, 1 /* J    */, 1 /* K    */,
546
  1 /* L    */, 1 /* M    */, 1 /* N    */, 1 /* O    */,
547
  1 /* P    */, 1 /* Q    */, 1 /* R    */, 1 /* S    */,
548
  1 /* T    */, 1 /* U    */, 1 /* V    */, 1 /* W    */,
549
  1 /* X    */, 1 /* Y    */, 1 /* Z    */, 0 /* [    */,
550
  0 /* \    */, 0 /* ]    */, 1 /* ^    */, 1 /* _    */,
551
  1 /* `    */, 1 /* a    */, 1 /* b    */, 1 /* c    */,
552
  1 /* d    */, 1 /* e    */, 1 /* f    */, 1 /* g    */,
553
  1 /* h    */, 1 /* i    */, 1 /* j    */, 1 /* k    */,
554
  1 /* l    */, 1 /* m    */, 1 /* n    */, 1 /* o    */,
555
  1 /* p    */, 1 /* q    */, 1 /* r    */, 1 /* s    */,
556
  1 /* t    */, 1 /* u    */, 1 /* v    */, 1 /* w    */,
557
  1 /* x    */, 1 /* y    */, 1 /* z    */, 0 /* {    */,
558
  1 /* |    */, 0 /* }    */, 1 /* ~    */, 0 /* DEL  */,
559
  0 /* 0x80 */, 0 /* 0x81 */, 0 /* 0x82 */, 0 /* 0x83 */,
560
  0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */, 0 /* 0x87 */,
561
  0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
562
  0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */,
563
  0 /* 0x90 */, 0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */,
564
  0 /* 0x94 */, 0 /* 0x95 */, 0 /* 0x96 */, 0 /* 0x97 */,
565
  0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */, 0 /* 0x9b */,
566
  0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
567
  0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */,
568
  0 /* 0xa4 */, 0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */,
569
  0 /* 0xa8 */, 0 /* 0xa9 */, 0 /* 0xaa */, 0 /* 0xab */,
570
  0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */, 0 /* 0xaf */,
571
  0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
572
  0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */,
573
  0 /* 0xb8 */, 0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */,
574
  0 /* 0xbc */, 0 /* 0xbd */, 0 /* 0xbe */, 0 /* 0xbf */,
575
  0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */, 0 /* 0xc3 */,
576
  0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
577
  0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */,
578
  0 /* 0xcc */, 0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */,
579
  0 /* 0xd0 */, 0 /* 0xd1 */, 0 /* 0xd2 */, 0 /* 0xd3 */,
580
  0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */, 0 /* 0xd7 */,
581
  0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
582
  0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */,
583
  0 /* 0xe0 */, 0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */,
584
  0 /* 0xe4 */, 0 /* 0xe5 */, 0 /* 0xe6 */, 0 /* 0xe7 */,
585
  0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */, 0 /* 0xeb */,
586
  0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
587
  0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */,
588
  0 /* 0xf4 */, 0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */,
589
  0 /* 0xf8 */, 0 /* 0xf9 */, 0 /* 0xfa */, 0 /* 0xfb */,
590
  0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */, 0 /* 0xff */
591
};
592
593
2.20k
int nghttp2_check_method(const uint8_t *value, size_t len) {
594
2.20k
  const uint8_t *last;
595
2.20k
  if (len == 0) {
596
329
    return 0;
597
329
  }
598
11.1k
  for (last = value + len; value != last; ++value) {
599
9.37k
    if (!VALID_METHOD_CHARS[*value]) {
600
140
      return 0;
601
140
    }
602
9.37k
  }
603
1.73k
  return 1;
604
1.87k
}
605
606
/* Generated by genpathchartbl.py */
607
static char VALID_PATH_CHARS[] = {
608
  0 /* NUL  */, 0 /* SOH  */, 0 /* STX  */, 0 /* ETX  */,
609
  0 /* EOT  */, 0 /* ENQ  */, 0 /* ACK  */, 0 /* BEL  */,
610
  0 /* BS   */, 0 /* HT   */, 0 /* LF   */, 0 /* VT   */,
611
  0 /* FF   */, 0 /* CR   */, 0 /* SO   */, 0 /* SI   */,
612
  0 /* DLE  */, 0 /* DC1  */, 0 /* DC2  */, 0 /* DC3  */,
613
  0 /* DC4  */, 0 /* NAK  */, 0 /* SYN  */, 0 /* ETB  */,
614
  0 /* CAN  */, 0 /* EM   */, 0 /* SUB  */, 0 /* ESC  */,
615
  0 /* FS   */, 0 /* GS   */, 0 /* RS   */, 0 /* US   */,
616
  0 /* SPC  */, 1 /* !    */, 1 /* "    */, 1 /* #    */,
617
  1 /* $    */, 1 /* %    */, 1 /* &    */, 1 /* '    */,
618
  1 /* (    */, 1 /* )    */, 1 /* *    */, 1 /* +    */,
619
  1 /* ,    */, 1 /* -    */, 1 /* .    */, 1 /* /    */,
620
  1 /* 0    */, 1 /* 1    */, 1 /* 2    */, 1 /* 3    */,
621
  1 /* 4    */, 1 /* 5    */, 1 /* 6    */, 1 /* 7    */,
622
  1 /* 8    */, 1 /* 9    */, 1 /* :    */, 1 /* ;    */,
623
  1 /* <    */, 1 /* =    */, 1 /* >    */, 1 /* ?    */,
624
  1 /* @    */, 1 /* A    */, 1 /* B    */, 1 /* C    */,
625
  1 /* D    */, 1 /* E    */, 1 /* F    */, 1 /* G    */,
626
  1 /* H    */, 1 /* I    */, 1 /* J    */, 1 /* K    */,
627
  1 /* L    */, 1 /* M    */, 1 /* N    */, 1 /* O    */,
628
  1 /* P    */, 1 /* Q    */, 1 /* R    */, 1 /* S    */,
629
  1 /* T    */, 1 /* U    */, 1 /* V    */, 1 /* W    */,
630
  1 /* X    */, 1 /* Y    */, 1 /* Z    */, 1 /* [    */,
631
  1 /* \    */, 1 /* ]    */, 1 /* ^    */, 1 /* _    */,
632
  1 /* `    */, 1 /* a    */, 1 /* b    */, 1 /* c    */,
633
  1 /* d    */, 1 /* e    */, 1 /* f    */, 1 /* g    */,
634
  1 /* h    */, 1 /* i    */, 1 /* j    */, 1 /* k    */,
635
  1 /* l    */, 1 /* m    */, 1 /* n    */, 1 /* o    */,
636
  1 /* p    */, 1 /* q    */, 1 /* r    */, 1 /* s    */,
637
  1 /* t    */, 1 /* u    */, 1 /* v    */, 1 /* w    */,
638
  1 /* x    */, 1 /* y    */, 1 /* z    */, 1 /* {    */,
639
  1 /* |    */, 1 /* }    */, 1 /* ~    */, 0 /* DEL  */,
640
  1 /* 0x80 */, 1 /* 0x81 */, 1 /* 0x82 */, 1 /* 0x83 */,
641
  1 /* 0x84 */, 1 /* 0x85 */, 1 /* 0x86 */, 1 /* 0x87 */,
642
  1 /* 0x88 */, 1 /* 0x89 */, 1 /* 0x8a */, 1 /* 0x8b */,
643
  1 /* 0x8c */, 1 /* 0x8d */, 1 /* 0x8e */, 1 /* 0x8f */,
644
  1 /* 0x90 */, 1 /* 0x91 */, 1 /* 0x92 */, 1 /* 0x93 */,
645
  1 /* 0x94 */, 1 /* 0x95 */, 1 /* 0x96 */, 1 /* 0x97 */,
646
  1 /* 0x98 */, 1 /* 0x99 */, 1 /* 0x9a */, 1 /* 0x9b */,
647
  1 /* 0x9c */, 1 /* 0x9d */, 1 /* 0x9e */, 1 /* 0x9f */,
648
  1 /* 0xa0 */, 1 /* 0xa1 */, 1 /* 0xa2 */, 1 /* 0xa3 */,
649
  1 /* 0xa4 */, 1 /* 0xa5 */, 1 /* 0xa6 */, 1 /* 0xa7 */,
650
  1 /* 0xa8 */, 1 /* 0xa9 */, 1 /* 0xaa */, 1 /* 0xab */,
651
  1 /* 0xac */, 1 /* 0xad */, 1 /* 0xae */, 1 /* 0xaf */,
652
  1 /* 0xb0 */, 1 /* 0xb1 */, 1 /* 0xb2 */, 1 /* 0xb3 */,
653
  1 /* 0xb4 */, 1 /* 0xb5 */, 1 /* 0xb6 */, 1 /* 0xb7 */,
654
  1 /* 0xb8 */, 1 /* 0xb9 */, 1 /* 0xba */, 1 /* 0xbb */,
655
  1 /* 0xbc */, 1 /* 0xbd */, 1 /* 0xbe */, 1 /* 0xbf */,
656
  1 /* 0xc0 */, 1 /* 0xc1 */, 1 /* 0xc2 */, 1 /* 0xc3 */,
657
  1 /* 0xc4 */, 1 /* 0xc5 */, 1 /* 0xc6 */, 1 /* 0xc7 */,
658
  1 /* 0xc8 */, 1 /* 0xc9 */, 1 /* 0xca */, 1 /* 0xcb */,
659
  1 /* 0xcc */, 1 /* 0xcd */, 1 /* 0xce */, 1 /* 0xcf */,
660
  1 /* 0xd0 */, 1 /* 0xd1 */, 1 /* 0xd2 */, 1 /* 0xd3 */,
661
  1 /* 0xd4 */, 1 /* 0xd5 */, 1 /* 0xd6 */, 1 /* 0xd7 */,
662
  1 /* 0xd8 */, 1 /* 0xd9 */, 1 /* 0xda */, 1 /* 0xdb */,
663
  1 /* 0xdc */, 1 /* 0xdd */, 1 /* 0xde */, 1 /* 0xdf */,
664
  1 /* 0xe0 */, 1 /* 0xe1 */, 1 /* 0xe2 */, 1 /* 0xe3 */,
665
  1 /* 0xe4 */, 1 /* 0xe5 */, 1 /* 0xe6 */, 1 /* 0xe7 */,
666
  1 /* 0xe8 */, 1 /* 0xe9 */, 1 /* 0xea */, 1 /* 0xeb */,
667
  1 /* 0xec */, 1 /* 0xed */, 1 /* 0xee */, 1 /* 0xef */,
668
  1 /* 0xf0 */, 1 /* 0xf1 */, 1 /* 0xf2 */, 1 /* 0xf3 */,
669
  1 /* 0xf4 */, 1 /* 0xf5 */, 1 /* 0xf6 */, 1 /* 0xf7 */,
670
  1 /* 0xf8 */, 1 /* 0xf9 */, 1 /* 0xfa */, 1 /* 0xfb */,
671
  1 /* 0xfc */, 1 /* 0xfd */, 1 /* 0xfe */, 1 /* 0xff */
672
};
673
674
1.41k
int nghttp2_check_path(const uint8_t *value, size_t len) {
675
1.41k
  const uint8_t *last;
676
8.18k
  for (last = value + len; value != last; ++value) {
677
6.84k
    if (!VALID_PATH_CHARS[*value]) {
678
78
      return 0;
679
78
    }
680
6.84k
  }
681
1.33k
  return 1;
682
1.41k
}
683
684
/* Generated by genauthoritychartbl.py */
685
static char VALID_AUTHORITY_CHARS[] = {
686
  0 /* NUL  */, 0 /* SOH  */, 0 /* STX  */, 0 /* ETX  */,
687
  0 /* EOT  */, 0 /* ENQ  */, 0 /* ACK  */, 0 /* BEL  */,
688
  0 /* BS   */, 0 /* HT   */, 0 /* LF   */, 0 /* VT   */,
689
  0 /* FF   */, 0 /* CR   */, 0 /* SO   */, 0 /* SI   */,
690
  0 /* DLE  */, 0 /* DC1  */, 0 /* DC2  */, 0 /* DC3  */,
691
  0 /* DC4  */, 0 /* NAK  */, 0 /* SYN  */, 0 /* ETB  */,
692
  0 /* CAN  */, 0 /* EM   */, 0 /* SUB  */, 0 /* ESC  */,
693
  0 /* FS   */, 0 /* GS   */, 0 /* RS   */, 0 /* US   */,
694
  0 /* SPC  */, 1 /* !    */, 0 /* "    */, 0 /* #    */,
695
  1 /* $    */, 1 /* %    */, 1 /* &    */, 1 /* '    */,
696
  1 /* (    */, 1 /* )    */, 1 /* *    */, 1 /* +    */,
697
  1 /* ,    */, 1 /* -    */, 1 /* .    */, 0 /* /    */,
698
  1 /* 0    */, 1 /* 1    */, 1 /* 2    */, 1 /* 3    */,
699
  1 /* 4    */, 1 /* 5    */, 1 /* 6    */, 1 /* 7    */,
700
  1 /* 8    */, 1 /* 9    */, 1 /* :    */, 1 /* ;    */,
701
  0 /* <    */, 1 /* =    */, 0 /* >    */, 0 /* ?    */,
702
  1 /* @    */, 1 /* A    */, 1 /* B    */, 1 /* C    */,
703
  1 /* D    */, 1 /* E    */, 1 /* F    */, 1 /* G    */,
704
  1 /* H    */, 1 /* I    */, 1 /* J    */, 1 /* K    */,
705
  1 /* L    */, 1 /* M    */, 1 /* N    */, 1 /* O    */,
706
  1 /* P    */, 1 /* Q    */, 1 /* R    */, 1 /* S    */,
707
  1 /* T    */, 1 /* U    */, 1 /* V    */, 1 /* W    */,
708
  1 /* X    */, 1 /* Y    */, 1 /* Z    */, 1 /* [    */,
709
  0 /* \    */, 1 /* ]    */, 0 /* ^    */, 1 /* _    */,
710
  0 /* `    */, 1 /* a    */, 1 /* b    */, 1 /* c    */,
711
  1 /* d    */, 1 /* e    */, 1 /* f    */, 1 /* g    */,
712
  1 /* h    */, 1 /* i    */, 1 /* j    */, 1 /* k    */,
713
  1 /* l    */, 1 /* m    */, 1 /* n    */, 1 /* o    */,
714
  1 /* p    */, 1 /* q    */, 1 /* r    */, 1 /* s    */,
715
  1 /* t    */, 1 /* u    */, 1 /* v    */, 1 /* w    */,
716
  1 /* x    */, 1 /* y    */, 1 /* z    */, 0 /* {    */,
717
  0 /* |    */, 0 /* }    */, 1 /* ~    */, 0 /* DEL  */,
718
  0 /* 0x80 */, 0 /* 0x81 */, 0 /* 0x82 */, 0 /* 0x83 */,
719
  0 /* 0x84 */, 0 /* 0x85 */, 0 /* 0x86 */, 0 /* 0x87 */,
720
  0 /* 0x88 */, 0 /* 0x89 */, 0 /* 0x8a */, 0 /* 0x8b */,
721
  0 /* 0x8c */, 0 /* 0x8d */, 0 /* 0x8e */, 0 /* 0x8f */,
722
  0 /* 0x90 */, 0 /* 0x91 */, 0 /* 0x92 */, 0 /* 0x93 */,
723
  0 /* 0x94 */, 0 /* 0x95 */, 0 /* 0x96 */, 0 /* 0x97 */,
724
  0 /* 0x98 */, 0 /* 0x99 */, 0 /* 0x9a */, 0 /* 0x9b */,
725
  0 /* 0x9c */, 0 /* 0x9d */, 0 /* 0x9e */, 0 /* 0x9f */,
726
  0 /* 0xa0 */, 0 /* 0xa1 */, 0 /* 0xa2 */, 0 /* 0xa3 */,
727
  0 /* 0xa4 */, 0 /* 0xa5 */, 0 /* 0xa6 */, 0 /* 0xa7 */,
728
  0 /* 0xa8 */, 0 /* 0xa9 */, 0 /* 0xaa */, 0 /* 0xab */,
729
  0 /* 0xac */, 0 /* 0xad */, 0 /* 0xae */, 0 /* 0xaf */,
730
  0 /* 0xb0 */, 0 /* 0xb1 */, 0 /* 0xb2 */, 0 /* 0xb3 */,
731
  0 /* 0xb4 */, 0 /* 0xb5 */, 0 /* 0xb6 */, 0 /* 0xb7 */,
732
  0 /* 0xb8 */, 0 /* 0xb9 */, 0 /* 0xba */, 0 /* 0xbb */,
733
  0 /* 0xbc */, 0 /* 0xbd */, 0 /* 0xbe */, 0 /* 0xbf */,
734
  0 /* 0xc0 */, 0 /* 0xc1 */, 0 /* 0xc2 */, 0 /* 0xc3 */,
735
  0 /* 0xc4 */, 0 /* 0xc5 */, 0 /* 0xc6 */, 0 /* 0xc7 */,
736
  0 /* 0xc8 */, 0 /* 0xc9 */, 0 /* 0xca */, 0 /* 0xcb */,
737
  0 /* 0xcc */, 0 /* 0xcd */, 0 /* 0xce */, 0 /* 0xcf */,
738
  0 /* 0xd0 */, 0 /* 0xd1 */, 0 /* 0xd2 */, 0 /* 0xd3 */,
739
  0 /* 0xd4 */, 0 /* 0xd5 */, 0 /* 0xd6 */, 0 /* 0xd7 */,
740
  0 /* 0xd8 */, 0 /* 0xd9 */, 0 /* 0xda */, 0 /* 0xdb */,
741
  0 /* 0xdc */, 0 /* 0xdd */, 0 /* 0xde */, 0 /* 0xdf */,
742
  0 /* 0xe0 */, 0 /* 0xe1 */, 0 /* 0xe2 */, 0 /* 0xe3 */,
743
  0 /* 0xe4 */, 0 /* 0xe5 */, 0 /* 0xe6 */, 0 /* 0xe7 */,
744
  0 /* 0xe8 */, 0 /* 0xe9 */, 0 /* 0xea */, 0 /* 0xeb */,
745
  0 /* 0xec */, 0 /* 0xed */, 0 /* 0xee */, 0 /* 0xef */,
746
  0 /* 0xf0 */, 0 /* 0xf1 */, 0 /* 0xf2 */, 0 /* 0xf3 */,
747
  0 /* 0xf4 */, 0 /* 0xf5 */, 0 /* 0xf6 */, 0 /* 0xf7 */,
748
  0 /* 0xf8 */, 0 /* 0xf9 */, 0 /* 0xfa */, 0 /* 0xfb */,
749
  0 /* 0xfc */, 0 /* 0xfd */, 0 /* 0xfe */, 0 /* 0xff */
750
};
751
752
0
int nghttp2_check_authority(const uint8_t *value, size_t len) {
753
0
  const uint8_t *last;
754
0
  for (last = value + len; value != last; ++value) {
755
0
    if (!VALID_AUTHORITY_CHARS[*value]) {
756
0
      return 0;
757
0
    }
758
0
  }
759
0
  return 1;
760
0
}
761
762
122k
uint8_t *nghttp2_cpymem(uint8_t *dest, const void *src, size_t len) {
763
122k
  if (len == 0) {
764
45.8k
    return dest;
765
45.8k
  }
766
767
76.7k
  memcpy(dest, src, len);
768
769
76.7k
  return dest + len;
770
122k
}
771
772
0
const char *nghttp2_http2_strerror(uint32_t error_code) {
773
0
  switch (error_code) {
774
0
  case NGHTTP2_NO_ERROR:
775
0
    return "NO_ERROR";
776
0
  case NGHTTP2_PROTOCOL_ERROR:
777
0
    return "PROTOCOL_ERROR";
778
0
  case NGHTTP2_INTERNAL_ERROR:
779
0
    return "INTERNAL_ERROR";
780
0
  case NGHTTP2_FLOW_CONTROL_ERROR:
781
0
    return "FLOW_CONTROL_ERROR";
782
0
  case NGHTTP2_SETTINGS_TIMEOUT:
783
0
    return "SETTINGS_TIMEOUT";
784
0
  case NGHTTP2_STREAM_CLOSED:
785
0
    return "STREAM_CLOSED";
786
0
  case NGHTTP2_FRAME_SIZE_ERROR:
787
0
    return "FRAME_SIZE_ERROR";
788
0
  case NGHTTP2_REFUSED_STREAM:
789
0
    return "REFUSED_STREAM";
790
0
  case NGHTTP2_CANCEL:
791
0
    return "CANCEL";
792
0
  case NGHTTP2_COMPRESSION_ERROR:
793
0
    return "COMPRESSION_ERROR";
794
0
  case NGHTTP2_CONNECT_ERROR:
795
0
    return "CONNECT_ERROR";
796
0
  case NGHTTP2_ENHANCE_YOUR_CALM:
797
0
    return "ENHANCE_YOUR_CALM";
798
0
  case NGHTTP2_INADEQUATE_SECURITY:
799
0
    return "INADEQUATE_SECURITY";
800
0
  case NGHTTP2_HTTP_1_1_REQUIRED:
801
0
    return "HTTP_1_1_REQUIRED";
802
0
  default:
803
0
    return "unknown";
804
0
  }
805
0
}