OpenCoverage

f_string.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/asn1/f_string.c
Source codeSwitch to Preprocessed file
LineSourceCount
1/*-
2 * Copyright 1995-2017 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/ctype.h"-
12#include "internal/cryptlib.h"-
13#include <openssl/buffer.h>-
14#include <openssl/asn1.h>-
15-
16int i2a_ASN1_STRING(BIO *bp, const ASN1_STRING *a, int type)-
17{-
18 int i, n = 0;-
19 static const char *h = "0123456789ABCDEF";-
20 char buf[2];-
21-
22 if (a == NULL)
a == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 982 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-982
23 return 0;
never executed: return 0;
0
24-
25 if (a->length == 0) {
a->length == 0Description
TRUEevaluated 514 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 468 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
468-514
26 if (BIO_write(bp, "0", 1) != 1)
BIO_write(bp, "0", 1) != 1Description
TRUEnever evaluated
FALSEevaluated 514 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-514
27 goto err;
never executed: goto err;
0
28 n = 1;-
29 } else {
executed 514 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
514
30 for (i = 0; i < a->length; i++) {
i < a->lengthDescription
TRUEevaluated 16828 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 468 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
468-16828
31 if ((i != 0) && (i % 35 == 0)) {
(i != 0)Description
TRUEevaluated 16360 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 468 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
(i % 35 == 0)Description
TRUEevaluated 393 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 15967 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
393-16360
32 if (BIO_write(bp, "\\\n", 2) != 2)
BIO_write(bp, "\\\n", 2) != 2Description
TRUEnever evaluated
FALSEevaluated 393 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-393
33 goto err;
never executed: goto err;
0
34 n += 2;-
35 }
executed 393 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
393
36 buf[0] = h[((unsigned char)a->data[i] >> 4) & 0x0f];-
37 buf[1] = h[((unsigned char)a->data[i]) & 0x0f];-
38 if (BIO_write(bp, buf, 2) != 2)
BIO_write(bp, buf, 2) != 2Description
TRUEnever evaluated
FALSEevaluated 16828 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-16828
39 goto err;
never executed: goto err;
0
40 n += 2;-
41 }
executed 16828 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
16828
42 }
executed 468 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
468
43 return n;
executed 982 times by 1 test: return n;
Executed by:
  • libcrypto.so.1.1
982
44 err:-
45 return -1;
never executed: return -1;
0
46}-
47-
48int a2i_ASN1_STRING(BIO *bp, ASN1_STRING *bs, char *buf, int size)-
49{-
50 int i, j, k, m, n, again, bufsize;-
51 unsigned char *s = NULL, *sp;-
52 unsigned char *bufp;-
53 int num = 0, slen = 0, first = 1;-
54-
55 bufsize = BIO_gets(bp, buf, size);-
56 for (;;) {-
57 if (bufsize < 1) {
bufsize < 1Description
TRUEnever evaluated
FALSEnever evaluated
0
58 if (first)
firstDescription
TRUEnever evaluated
FALSEnever evaluated
0
59 break;
never executed: break;
0
60 else-
61 goto err;
never executed: goto err;
0
62 }-
63 first = 0;-
64-
65 i = bufsize;-
66 if (buf[i - 1] == '\n')
buf[i - 1] == '\n'Description
TRUEnever evaluated
FALSEnever evaluated
0
67 buf[--i] = '\0';
never executed: buf[--i] = '\0';
0
68 if (i == 0)
i == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
69 goto err;
never executed: goto err;
0
70 if (buf[i - 1] == '\r')
buf[i - 1] == '\r'Description
TRUEnever evaluated
FALSEnever evaluated
0
71 buf[--i] = '\0';
never executed: buf[--i] = '\0';
0
72 if (i == 0)
i == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
73 goto err;
never executed: goto err;
0
74 again = (buf[i - 1] == '\\');-
75-
76 for (j = i - 1; j > 0; j--) {
j > 0Description
TRUEnever evaluated
FALSEnever evaluated
0
77 if (!ossl_isxdigit(buf[j])) {
!(ossl_ctype_c...uf[j]), 0x10))Description
TRUEnever evaluated
FALSEnever evaluated
0
78 i = j;-
79 break;
never executed: break;
0
80 }-
81 }
never executed: end of block
0
82 buf[i] = '\0';-
83 /*-
84 * We have now cleared all the crap off the end of the line-
85 */-
86 if (i < 2)
i < 2Description
TRUEnever evaluated
FALSEnever evaluated
0
87 goto err;
never executed: goto err;
0
88-
89 bufp = (unsigned char *)buf;-
90-
91 k = 0;-
92 i -= again;-
93 if (i % 2 != 0) {
i % 2 != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
94 ASN1err(ASN1_F_A2I_ASN1_STRING, ASN1_R_ODD_NUMBER_OF_CHARS);-
95 OPENSSL_free(s);-
96 return 0;
never executed: return 0;
0
97 }-
98 i /= 2;-
99 if (num + i > slen) {
num + i > slenDescription
TRUEnever evaluated
FALSEnever evaluated
0
100 sp = OPENSSL_realloc(s, (unsigned int)num + i * 2);-
101 if (sp == NULL) {
sp == ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
102 ASN1err(ASN1_F_A2I_ASN1_STRING, ERR_R_MALLOC_FAILURE);-
103 OPENSSL_free(s);-
104 return 0;
never executed: return 0;
0
105 }-
106 s = sp;-
107 slen = num + i * 2;-
108 }
never executed: end of block
0
109 for (j = 0; j < i; j++, k += 2) {
j < iDescription
TRUEnever evaluated
FALSEnever evaluated
0
110 for (n = 0; n < 2; n++) {
n < 2Description
TRUEnever evaluated
FALSEnever evaluated
0
111 m = OPENSSL_hexchar2int(bufp[k + n]);-
112 if (m < 0) {
m < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
113 ASN1err(ASN1_F_A2I_ASN1_STRING,-
114 ASN1_R_NON_HEX_CHARACTERS);-
115 OPENSSL_free(s);-
116 return 0;
never executed: return 0;
0
117 }-
118 s[num + j] <<= 4;-
119 s[num + j] |= m;-
120 }
never executed: end of block
0
121 }
never executed: end of block
0
122 num += i;-
123 if (again)
againDescription
TRUEnever evaluated
FALSEnever evaluated
0
124 bufsize = BIO_gets(bp, buf, size);
never executed: bufsize = BIO_gets(bp, buf, size);
0
125 else-
126 break;
never executed: break;
0
127 }-
128 bs->length = num;-
129 bs->data = s;-
130 return 1;
never executed: return 1;
0
131-
132 err:-
133 ASN1err(ASN1_F_A2I_ASN1_STRING, ASN1_R_SHORT_LINE);-
134 OPENSSL_free(s);-
135 return 0;
never executed: return 0;
0
136}-
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