| Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/asn1/a_utf8.c |
| Source code | Switch to Preprocessed file |
| Line | Source | Count | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | /* | - | ||||||
| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | - | ||||||
| 3 | * | - | ||||||
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use | - | ||||||
| 5 | * this file except in compliance with the License. You can obtain a copy | - | ||||||
| 6 | * in the file LICENSE in the source distribution or at | - | ||||||
| 7 | * https://www.openssl.org/source/license.html | - | ||||||
| 8 | */ | - | ||||||
| 9 | - | |||||||
| 10 | #include <stdio.h> | - | ||||||
| 11 | #include "internal/cryptlib.h" | - | ||||||
| 12 | #include <openssl/asn1.h> | - | ||||||
| 13 | - | |||||||
| 14 | /* UTF8 utilities */ | - | ||||||
| 15 | - | |||||||
| 16 | /*- | - | ||||||
| 17 | * This parses a UTF8 string one character at a time. It is passed a pointer | - | ||||||
| 18 | * to the string and the length of the string. It sets 'value' to the value of | - | ||||||
| 19 | * the current character. It returns the number of characters read or a | - | ||||||
| 20 | * negative error code: | - | ||||||
| 21 | * -1 = string too short | - | ||||||
| 22 | * -2 = illegal character | - | ||||||
| 23 | * -3 = subsequent characters not of the form 10xxxxxx | - | ||||||
| 24 | * -4 = character encoded incorrectly (not minimal length). | - | ||||||
| 25 | */ | - | ||||||
| 26 | - | |||||||
| 27 | int UTF8_getc(const unsigned char *str, int len, unsigned long *val) | - | ||||||
| 28 | { | - | ||||||
| 29 | const unsigned char *p; | - | ||||||
| 30 | unsigned long value; | - | ||||||
| 31 | int ret; | - | ||||||
| 32 | if (len <= 0)
| 0-1666089 | ||||||
| 33 | return 0; never executed: return 0; | 0 | ||||||
| 34 | p = str; | - | ||||||
| 35 | - | |||||||
| 36 | /* Check syntax and work out the encoded value (if correct) */ | - | ||||||
| 37 | if ((*p & 0x80) == 0) {
| 22664-1643425 | ||||||
| 38 | value = *p++ & 0x7f; | - | ||||||
| 39 | ret = 1; | - | ||||||
| 40 | } else if ((*p & 0xe0) == 0xc0) { executed 1643425 times by 1 test: end of blockExecuted by:
| 4782-1643425 | ||||||
| 41 | if (len < 2)
| 471-4311 | ||||||
| 42 | return -1; executed 471 times by 1 test: return -1;Executed by:
| 471 | ||||||
| 43 | if ((p[1] & 0xc0) != 0x80)
| 522-3789 | ||||||
| 44 | return -3; executed 522 times by 1 test: return -3;Executed by:
| 522 | ||||||
| 45 | value = (*p++ & 0x1f) << 6; | - | ||||||
| 46 | value |= *p++ & 0x3f; | - | ||||||
| 47 | if (value < 0x80)
| 272-3517 | ||||||
| 48 | return -4; executed 272 times by 1 test: return -4;Executed by:
| 272 | ||||||
| 49 | ret = 2; | - | ||||||
| 50 | } else if ((*p & 0xf0) == 0xe0) { executed 3517 times by 1 test: end of blockExecuted by:
| 2695-15187 | ||||||
| 51 | if (len < 3)
| 409-2286 | ||||||
| 52 | return -1; executed 409 times by 1 test: return -1;Executed by:
| 409 | ||||||
| 53 | if (((p[1] & 0xc0) != 0x80)
| 414-1872 | ||||||
| 54 | || ((p[2] & 0xc0) != 0x80))
| 423-1449 | ||||||
| 55 | return -3; executed 837 times by 1 test: return -3;Executed by:
| 837 | ||||||
| 56 | value = (*p++ & 0xf) << 12; | - | ||||||
| 57 | value |= (*p++ & 0x3f) << 6; | - | ||||||
| 58 | value |= *p++ & 0x3f; | - | ||||||
| 59 | if (value < 0x800)
| 274-1175 | ||||||
| 60 | return -4; executed 274 times by 1 test: return -4;Executed by:
| 274 | ||||||
| 61 | ret = 3; | - | ||||||
| 62 | } else if ((*p & 0xf8) == 0xf0) { executed 1175 times by 1 test: end of blockExecuted by:
| 1175-12214 | ||||||
| 63 | if (len < 4)
| 401-2572 | ||||||
| 64 | return -1; executed 401 times by 1 test: return -1;Executed by:
| 401 | ||||||
| 65 | if (((p[1] & 0xc0) != 0x80)
| 410-2162 | ||||||
| 66 | || ((p[2] & 0xc0) != 0x80)
| 429-1733 | ||||||
| 67 | || ((p[3] & 0xc0) != 0x80))
| 400-1333 | ||||||
| 68 | return -3; executed 1239 times by 1 test: return -3;Executed by:
| 1239 | ||||||
| 69 | value = ((unsigned long)(*p++ & 0x7)) << 18; | - | ||||||
| 70 | value |= (*p++ & 0x3f) << 12; | - | ||||||
| 71 | value |= (*p++ & 0x3f) << 6; | - | ||||||
| 72 | value |= *p++ & 0x3f; | - | ||||||
| 73 | if (value < 0x10000)
| 272-1061 | ||||||
| 74 | return -4; executed 272 times by 1 test: return -4;Executed by:
| 272 | ||||||
| 75 | ret = 4; | - | ||||||
| 76 | } else if ((*p & 0xfc) == 0xf8) { executed 1061 times by 1 test: end of blockExecuted by:
| 1061-7589 | ||||||
| 77 | if (len < 5)
| 591-4034 | ||||||
| 78 | return -1; executed 591 times by 1 test: return -1;Executed by:
| 591 | ||||||
| 79 | if (((p[1] & 0xc0) != 0x80)
| 345-3689 | ||||||
| 80 | || ((p[2] & 0xc0) != 0x80)
| 283-3406 | ||||||
| 81 | || ((p[3] & 0xc0) != 0x80)
| 315-3091 | ||||||
| 82 | || ((p[4] & 0xc0) != 0x80))
| 477-2614 | ||||||
| 83 | return -3; executed 1420 times by 1 test: return -3;Executed by:
| 1420 | ||||||
| 84 | value = ((unsigned long)(*p++ & 0x3)) << 24; | - | ||||||
| 85 | value |= ((unsigned long)(*p++ & 0x3f)) << 18; | - | ||||||
| 86 | value |= ((unsigned long)(*p++ & 0x3f)) << 12; | - | ||||||
| 87 | value |= (*p++ & 0x3f) << 6; | - | ||||||
| 88 | value |= *p++ & 0x3f; | - | ||||||
| 89 | if (value < 0x200000)
| 272-2342 | ||||||
| 90 | return -4; executed 272 times by 1 test: return -4;Executed by:
| 272 | ||||||
| 91 | ret = 5; | - | ||||||
| 92 | } else if ((*p & 0xfe) == 0xfc) { executed 2342 times by 1 test: end of blockExecuted by:
| 703-6886 | ||||||
| 93 | if (len < 6)
| 283-6603 | ||||||
| 94 | return -1; executed 283 times by 1 test: return -1;Executed by:
| 283 | ||||||
| 95 | if (((p[1] & 0xc0) != 0x80)
| 638-5965 | ||||||
| 96 | || ((p[2] & 0xc0) != 0x80)
| 287-5678 | ||||||
| 97 | || ((p[3] & 0xc0) != 0x80)
| 274-5404 | ||||||
| 98 | || ((p[4] & 0xc0) != 0x80)
| 272-5132 | ||||||
| 99 | || ((p[5] & 0xc0) != 0x80))
| 283-4849 | ||||||
| 100 | return -3; executed 1754 times by 1 test: return -3;Executed by:
| 1754 | ||||||
| 101 | value = ((unsigned long)(*p++ & 0x1)) << 30; | - | ||||||
| 102 | value |= ((unsigned long)(*p++ & 0x3f)) << 24; | - | ||||||
| 103 | value |= ((unsigned long)(*p++ & 0x3f)) << 18; | - | ||||||
| 104 | value |= ((unsigned long)(*p++ & 0x3f)) << 12; | - | ||||||
| 105 | value |= (*p++ & 0x3f) << 6; | - | ||||||
| 106 | value |= *p++ & 0x3f; | - | ||||||
| 107 | if (value < 0x4000000)
| 273-4576 | ||||||
| 108 | return -4; executed 273 times by 1 test: return -4;Executed by:
| 273 | ||||||
| 109 | ret = 6; | - | ||||||
| 110 | } else executed 4576 times by 1 test: end of blockExecuted by:
| 4576 | ||||||
| 111 | return -2; executed 703 times by 1 test: return -2;Executed by:
| 703 | ||||||
| 112 | *val = value; | - | ||||||
| 113 | return ret; executed 1656096 times by 1 test: return ret;Executed by:
| 1656096 | ||||||
| 114 | } | - | ||||||
| 115 | - | |||||||
| 116 | /* | - | ||||||
| 117 | * This takes a character 'value' and writes the UTF8 encoded value in 'str' | - | ||||||
| 118 | * where 'str' is a buffer containing 'len' characters. Returns the number of | - | ||||||
| 119 | * characters written or -1 if 'len' is too small. 'str' can be set to NULL | - | ||||||
| 120 | * in which case it just returns the number of characters. It will need at | - | ||||||
| 121 | * most 6 characters. | - | ||||||
| 122 | */ | - | ||||||
| 123 | - | |||||||
| 124 | int UTF8_putc(unsigned char *str, int len, unsigned long value) | - | ||||||
| 125 | { | - | ||||||
| 126 | if (!str)
| 570249-650339 | ||||||
| 127 | len = 6; /* Maximum we will need */ executed 570249 times by 1 test: len = 6;Executed by:
| 570249 | ||||||
| 128 | else if (len <= 0)
| 0-650339 | ||||||
| 129 | return -1; never executed: return -1; | 0 | ||||||
| 130 | if (value < 0x80) {
| 205948-1014640 | ||||||
| 131 | if (str)
| 487463-527177 | ||||||
| 132 | *str = (unsigned char)value; executed 527177 times by 1 test: *str = (unsigned char)value;Executed by:
| 527177 | ||||||
| 133 | return 1; executed 1014640 times by 1 test: return 1;Executed by:
| 1014640 | ||||||
| 134 | } | - | ||||||
| 135 | if (value < 0x800) {
| 78504-127444 | ||||||
| 136 | if (len < 2)
| 0-127444 | ||||||
| 137 | return -1; never executed: return -1; | 0 | ||||||
| 138 | if (str) {
| 62553-64891 | ||||||
| 139 | *str++ = (unsigned char)(((value >> 6) & 0x1f) | 0xc0); | - | ||||||
| 140 | *str = (unsigned char)((value & 0x3f) | 0x80); | - | ||||||
| 141 | } executed 64891 times by 1 test: end of blockExecuted by:
| 64891 | ||||||
| 142 | return 2; executed 127444 times by 1 test: return 2;Executed by:
| 127444 | ||||||
| 143 | } | - | ||||||
| 144 | if (value < 0x10000) {
| 14454-64050 | ||||||
| 145 | if (len < 3)
| 0-64050 | ||||||
| 146 | return -1; never executed: return -1; | 0 | ||||||
| 147 | if (str) {
| 13500-50550 | ||||||
| 148 | *str++ = (unsigned char)(((value >> 12) & 0xf) | 0xe0); | - | ||||||
| 149 | *str++ = (unsigned char)(((value >> 6) & 0x3f) | 0x80); | - | ||||||
| 150 | *str = (unsigned char)((value & 0x3f) | 0x80); | - | ||||||
| 151 | } executed 50550 times by 1 test: end of blockExecuted by:
| 50550 | ||||||
| 152 | return 3; executed 64050 times by 1 test: return 3;Executed by:
| 64050 | ||||||
| 153 | } | - | ||||||
| 154 | if (value < 0x200000) {
| 2142-12312 | ||||||
| 155 | if (len < 4)
| 0-2142 | ||||||
| 156 | return -1; never executed: return -1; | 0 | ||||||
| 157 | if (str) {
| 1054-1088 | ||||||
| 158 | *str++ = (unsigned char)(((value >> 18) & 0x7) | 0xf0); | - | ||||||
| 159 | *str++ = (unsigned char)(((value >> 12) & 0x3f) | 0x80); | - | ||||||
| 160 | *str++ = (unsigned char)(((value >> 6) & 0x3f) | 0x80); | - | ||||||
| 161 | *str = (unsigned char)((value & 0x3f) | 0x80); | - | ||||||
| 162 | } executed 1088 times by 1 test: end of blockExecuted by:
| 1088 | ||||||
| 163 | return 4; executed 2142 times by 1 test: return 4;Executed by:
| 2142 | ||||||
| 164 | } | - | ||||||
| 165 | if (value < 0x4000000) {
| 2684-9628 | ||||||
| 166 | if (len < 5)
| 0-2684 | ||||||
| 167 | return -1; never executed: return -1; | 0 | ||||||
| 168 | if (str) {
| 1231-1453 | ||||||
| 169 | *str++ = (unsigned char)(((value >> 24) & 0x3) | 0xf8); | - | ||||||
| 170 | *str++ = (unsigned char)(((value >> 18) & 0x3f) | 0x80); | - | ||||||
| 171 | *str++ = (unsigned char)(((value >> 12) & 0x3f) | 0x80); | - | ||||||
| 172 | *str++ = (unsigned char)(((value >> 6) & 0x3f) | 0x80); | - | ||||||
| 173 | *str = (unsigned char)((value & 0x3f) | 0x80); | - | ||||||
| 174 | } executed 1453 times by 1 test: end of blockExecuted by:
| 1453 | ||||||
| 175 | return 5; executed 2684 times by 1 test: return 5;Executed by:
| 2684 | ||||||
| 176 | } | - | ||||||
| 177 | if (len < 6)
| 0-9628 | ||||||
| 178 | return -1; never executed: return -1; | 0 | ||||||
| 179 | if (str) {
| 4448-5180 | ||||||
| 180 | *str++ = (unsigned char)(((value >> 30) & 0x1) | 0xfc); | - | ||||||
| 181 | *str++ = (unsigned char)(((value >> 24) & 0x3f) | 0x80); | - | ||||||
| 182 | *str++ = (unsigned char)(((value >> 18) & 0x3f) | 0x80); | - | ||||||
| 183 | *str++ = (unsigned char)(((value >> 12) & 0x3f) | 0x80); | - | ||||||
| 184 | *str++ = (unsigned char)(((value >> 6) & 0x3f) | 0x80); | - | ||||||
| 185 | *str = (unsigned char)((value & 0x3f) | 0x80); | - | ||||||
| 186 | } executed 5180 times by 1 test: end of blockExecuted by:
| 5180 | ||||||
| 187 | return 6; executed 9628 times by 1 test: return 6;Executed by:
| 9628 | ||||||
| 188 | } | - | ||||||
| Source code | Switch to Preprocessed file |