| // Copyright 2013 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This is a copy of url/url_canon_internal.cc circa 2023. It should be used |
| // only by components/feedback/redaction_tool/. We need a copy because the |
| // components/feedback/redaction_tool source code is shared into ChromeOS and |
| // needs to have no dependencies outside of base/. |
| |
| #include "redaction_tool/url_canon_internal.h" |
| |
| #include <errno.h> |
| #include <stddef.h> |
| #include <stdlib.h> |
| #ifdef __SSE2__ |
| #include <immintrin.h> |
| #elif defined(__aarch64__) |
| #include <arm_neon.h> |
| #endif |
| |
| #include <cstdio> |
| #include <string> |
| |
| #include "base/bits.h" |
| #include "base/numerics/safe_conversions.h" |
| #include "base/strings/utf_string_conversion_utils.h" |
| |
| namespace redaction_internal { |
| |
| // See the header file for this array's declaration. |
| // clang-format off |
| const unsigned char kSharedCharTypeTable[0x100] = { |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x00 - 0x0f |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x10 - 0x1f |
| 0, // 0x20 ' ' (escape spaces in queries) |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x21 ! |
| 0, // 0x22 " |
| 0, // 0x23 # (invalid in query since it marks the ref) |
| CHAR_QUERY | CHAR_USERINFO, // 0x24 $ |
| CHAR_QUERY | CHAR_USERINFO, // 0x25 % |
| CHAR_QUERY | CHAR_USERINFO, // 0x26 & |
| 0, // 0x27 ' (Try to prevent XSS.) |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x28 ( |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x29 ) |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x2a * |
| CHAR_QUERY | CHAR_USERINFO, // 0x2b + |
| CHAR_QUERY | CHAR_USERINFO, // 0x2c , |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x2d - |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_COMPONENT, // 0x2e . |
| CHAR_QUERY, // 0x2f / |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_DEC | CHAR_OCT | CHAR_COMPONENT, // 0x30 0 |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_DEC | CHAR_OCT | CHAR_COMPONENT, // 0x31 1 |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_DEC | CHAR_OCT | CHAR_COMPONENT, // 0x32 2 |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_DEC | CHAR_OCT | CHAR_COMPONENT, // 0x33 3 |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_DEC | CHAR_OCT | CHAR_COMPONENT, // 0x34 4 |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_DEC | CHAR_OCT | CHAR_COMPONENT, // 0x35 5 |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_DEC | CHAR_OCT | CHAR_COMPONENT, // 0x36 6 |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_DEC | CHAR_OCT | CHAR_COMPONENT, // 0x37 7 |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_DEC | CHAR_COMPONENT, // 0x38 8 |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_DEC | CHAR_COMPONENT, // 0x39 9 |
| CHAR_QUERY, // 0x3a : |
| CHAR_QUERY, // 0x3b ; |
| 0, // 0x3c < (Try to prevent certain types of XSS.) |
| CHAR_QUERY, // 0x3d = |
| 0, // 0x3e > (Try to prevent certain types of XSS.) |
| CHAR_QUERY, // 0x3f ? |
| CHAR_QUERY, // 0x40 @ |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_COMPONENT, // 0x41 A |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_COMPONENT, // 0x42 B |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_COMPONENT, // 0x43 C |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_COMPONENT, // 0x44 D |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_COMPONENT, // 0x45 E |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_COMPONENT, // 0x46 F |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x47 G |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x48 H |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x49 I |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x4a J |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x4b K |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x4c L |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x4d M |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x4e N |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x4f O |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x50 P |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x51 Q |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x52 R |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x53 S |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x54 T |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x55 U |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x56 V |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x57 W |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_COMPONENT, // 0x58 X |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x59 Y |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x5a Z |
| CHAR_QUERY, // 0x5b [ |
| CHAR_QUERY, // 0x5c '\' |
| CHAR_QUERY, // 0x5d ] |
| CHAR_QUERY, // 0x5e ^ |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x5f _ |
| CHAR_QUERY, // 0x60 ` |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_COMPONENT, // 0x61 a |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_COMPONENT, // 0x62 b |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_COMPONENT, // 0x63 c |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_COMPONENT, // 0x64 d |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_COMPONENT, // 0x65 e |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_HEX | CHAR_COMPONENT, // 0x66 f |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x67 g |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x68 h |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x69 i |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x6a j |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x6b k |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x6c l |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x6d m |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x6e n |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x6f o |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x70 p |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x71 q |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x72 r |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x73 s |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x74 t |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x75 u |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x76 v |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x77 w |
| CHAR_QUERY | CHAR_USERINFO | CHAR_IPV4 | CHAR_COMPONENT, // 0x78 x |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x79 y |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x7a z |
| CHAR_QUERY, // 0x7b { |
| CHAR_QUERY, // 0x7c | |
| CHAR_QUERY, // 0x7d } |
| CHAR_QUERY | CHAR_USERINFO | CHAR_COMPONENT, // 0x7e ~ |
| 0, // 0x7f |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x80 - 0x8f |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x90 - 0x9f |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xa0 - 0xaf |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xb0 - 0xbf |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xc0 - 0xcf |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xd0 - 0xdf |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xe0 - 0xef |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xf0 - 0xff |
| }; |
| // clang-format on |
| |
| #ifndef WIN32 |
| |
| int _itoa_s(int value, char* buffer, size_t size_in_chars, int radix) { |
| // Redaction Tool Modification: |
| // const char* cannot be passed in as a format string, so directly using |
| // "%d" or "%x" based on radix. |
| int written; |
| if (radix == 10) { |
| written = snprintf(buffer, size_in_chars, "%d", value); |
| } else if (radix == 16) { |
| written = snprintf(buffer, size_in_chars, "%x", value); |
| } else { |
| return EINVAL; |
| } |
| |
| if (static_cast<size_t>(written) >= size_in_chars) { |
| // Output was truncated, or written was negative. |
| return EINVAL; |
| } |
| return 0; |
| } |
| |
| #endif // !WIN32 |
| |
| } // namespace redaction_internal |
