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evp_asn1.c

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1 /* $OpenBSD: evp_asn1.c,v 1.21 2018/04/25 11:48:21 tb Exp $ */ -

4 * -

5 * This package is an SSL implementation written -

6 * by Eric Young (eay@cryptsoft.com). -

7 * The implementation was written so as to conform with Netscapes SSL. -

8 * -

9 * This library is free for commercial and non-commercial use as long as -

10 * the following conditions are aheared to. The following conditions -

11 * apply to all code found in this distribution, be it the RC4, RSA, -

12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation -

13 * included with this distribution is covered by the same copyright terms -

14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). -

15 * -

16 * Copyright remains Eric Young's, and as such any Copyright notices in -

17 * the code are not to be removed. -

18 * If this package is used in a product, Eric Young should be given attribution -

19 * as the author of the parts of the library used. -

20 * This can be in the form of a textual message at program startup or -

21 * in documentation (online or textual) provided with the package. -

22 * -

23 * Redistribution and use in source and binary forms, with or without -

24 * modification, are permitted provided that the following conditions -

25 * are met: -

26 * 1. Redistributions of source code must retain the copyright -

27 * notice, this list of conditions and the following disclaimer. -

28 * 2. Redistributions in binary form must reproduce the above copyright -

29 * notice, this list of conditions and the following disclaimer in the -

30 * documentation and/or other materials provided with the distribution. -

31 * 3. All advertising materials mentioning features or use of this software -

32 * must display the following acknowledgement: -

33 * "This product includes cryptographic software written by -

34 * Eric Young (eay@cryptsoft.com)" -

35 * The word 'cryptographic' can be left out if the rouines from the library -

36 * being used are not cryptographic related :-). -

37 * 4. If you include any Windows specific code (or a derivative thereof) from -

38 * the apps directory (application code) you must include an acknowledgement: -

39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" -

40 * -

41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND -

42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -

43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -

44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE -

45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -

46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -

47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -

48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -

49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -

50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -

51 * SUCH DAMAGE. -

52 * -

53 * The licence and distribution terms for any publically available version or -

54 * derivative of this code cannot be changed. i.e. this code cannot simply be -

55 * copied and put under another distribution licence -

56 * [including the GNU Public Licence.] -

57 */ -

58 -

59 #include <stdio.h> -

60 #include <string.h> -

61 -

62 #include <openssl/asn1.h> -

63 #include <openssl/asn1t.h> -

64 #include <openssl/err.h> -

65 -

66 int -

67 ASN1_TYPE_set_octetstring(ASN1_TYPE *a, unsigned char *data, int len) -

68 { -

69 ASN1_STRING *os; -

70 -

if ((os = ASN1_OCTET_STRING_new()) == NULL)

(os = ASN1_OCT...== ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: pkcs7test

0-1

return (0);

never executed: return (0);

if (!ASN1_STRING_set(os, data, len)) {

!ASN1_STRING_s...os, data, len)	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: pkcs7test

0-1

74 ASN1_OCTET_STRING_free(os); -

return (0);

never executed: return (0);

76 } -

77 ASN1_TYPE_set(a, V_ASN1_OCTET_STRING, os); -

return (1);

executed 1 time by 1 test: return (1);

Executed by:

pkcs7test

79 } -

80 -

81 int -

82 ASN1_TYPE_get_octetstring(const ASN1_TYPE *a, unsigned char *data, int max_len) -

83 { -

84 int ret, num; -

85 unsigned char *p; -

86 -

if ((a->type != V_ASN1_OCTET_STRING) ||

(a->type != 4)	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: pkcs7test

0-1

(a->value.octet_string == NULL)) {

(a->value.octe... ((void *)0) )	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: pkcs7test

0-1

89 ASN1error(ASN1_R_DATA_IS_WRONG); -

return (-1);

never executed: return (-1);

91 } -

92 p = ASN1_STRING_data(a->value.octet_string); -

93 ret = ASN1_STRING_length(a->value.octet_string); -

if (ret < max_len)

ret < max_len	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: pkcs7test

0-1

num = ret;

never executed: num = ret;

96 else -

num = max_len;

executed 1 time by 1 test: num = max_len;

Executed by:

pkcs7test

98 memcpy(data, p, num); -

return (ret);

executed 1 time by 1 test: return (ret);

Executed by:

pkcs7test

100 } -

101 -

102 typedef struct { -

103 ASN1_INTEGER *num; -

104 ASN1_OCTET_STRING *value; -

105 } ASN1_int_octetstring; -

106 -

107 static const ASN1_TEMPLATE ASN1_INT_OCTETSTRING_seq_tt[] = { -

108 { -

109 .offset = offsetof(ASN1_int_octetstring, num), -

110 .field_name = "num", -

111 .item = &ASN1_INTEGER_it, -

112 }, -

113 { -

114 .offset = offsetof(ASN1_int_octetstring, value), -

115 .field_name = "value", -

116 .item = &ASN1_OCTET_STRING_it, -

117 }, -

118 }; -

119 -

120 const ASN1_ITEM ASN1_INT_OCTETSTRING_it = { -

121 .itype = ASN1_ITYPE_SEQUENCE, -

122 .utype = V_ASN1_SEQUENCE, -

123 .templates = ASN1_INT_OCTETSTRING_seq_tt, -

124 .tcount = sizeof(ASN1_INT_OCTETSTRING_seq_tt) / sizeof(ASN1_TEMPLATE), -

125 .size = sizeof(ASN1_int_octetstring), -

126 .sname = "ASN1_INT_OCTETSTRING", -

127 }; -

128 -

129 int -

130 ASN1_TYPE_set_int_octetstring(ASN1_TYPE *at, long num, unsigned char *data, -

131 int len) -

132 { -

133 ASN1_int_octetstring *ios; -

134 ASN1_STRING *sp = NULL; -

135 int ret = 0; -

136 -

137

if ((ios = (ASN1_int_octetstring *)ASN1_item_new(

(ios = (ASN1_i...== ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: asn1evp

0-1

138

&ASN1_INT_OCTETSTRING_it)) == NULL)

(ios = (ASN1_i...== ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: asn1evp

0-1

139

goto err;

never executed: goto err;

140

if ((ios->num = ASN1_INTEGER_new()) == NULL)

(ios->num = AS...== ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: asn1evp

0-1

141

goto err;

never executed: goto err;

142

if (!ASN1_INTEGER_set(ios->num, num))

!ASN1_INTEGER_...ios->num, num)	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: asn1evp

0-1

143

goto err;

never executed: goto err;

144

if ((ios->value = ASN1_OCTET_STRING_new()) == NULL)

(ios->value = ...== ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: asn1evp

0-1

145

goto err;

never executed: goto err;

146

if (!ASN1_OCTET_STRING_set(ios->value, data, len))

!ASN1_OCTET_ST...ue, data, len)	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: asn1evp

0-1

147

goto err;

never executed: goto err;

148 -

149

if ((sp = ASN1_item_pack(ios, &ASN1_INT_OCTETSTRING_it, NULL)) == NULL)

(sp = ASN1_ite...== ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: asn1evp

0-1

150

goto err;

never executed: goto err;

151 -

152 ASN1_TYPE_set(at, V_ASN1_SEQUENCE, sp); -

153 sp = NULL; -

154 -

155 ret = 1; -

156 -

157

err:

code before this statement executed 1 time by 1 test: err:

Executed by:

asn1evp

158 ASN1_item_free((ASN1_VALUE *)ios, &ASN1_INT_OCTETSTRING_it); -

159 ASN1_STRING_free(sp); -

160 -

161

return ret;

executed 1 time by 1 test: return ret;

Executed by:

asn1evp

162 } -

163 -

164 int -

165 ASN1_TYPE_get_int_octetstring(const ASN1_TYPE *at, long *num, unsigned char *data, -

166 int max_len) -

167 { -

168 ASN1_STRING *sp = at->value.sequence; -

169 ASN1_int_octetstring *ios = NULL; -

170 int ret = -1; -

171 int len; -

172 -

173

if (at->type != V_ASN1_SEQUENCE || sp == NULL)

at->type != 16	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: asn1evp

sp == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: asn1evp

0-2

174

goto err;

never executed: goto err;

175 -

176

if ((ios = ASN1_item_unpack(sp, &ASN1_INT_OCTETSTRING_it)) == NULL)

(ios = ASN1_it...== ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: asn1evp

0-2

177

goto err;

never executed: goto err;

178 -

179

if (num != NULL)

num != ((void *)0)	Description
TRUE	evaluated 2 times by 1 test Evaluated by: asn1evp
FALSE	never evaluated

0-2

180

*num = ASN1_INTEGER_get(ios->num);

executed 2 times by 1 test: *num = ASN1_INTEGER_get(ios->num);

Executed by:

asn1evp

181

if (data != NULL) {

data != ((void *)0)	Description
TRUE	evaluated 2 times by 1 test Evaluated by: asn1evp
FALSE	never evaluated

0-2

182 len = ASN1_STRING_length(ios->value); -

183

if (len > max_len)

len > max_len	Description
TRUE	evaluated 1 time by 1 test Evaluated by: asn1evp
FALSE	evaluated 1 time by 1 test Evaluated by: asn1evp

184

len = max_len;

executed 1 time by 1 test: len = max_len;

Executed by:

asn1evp

185 memcpy(data, ASN1_STRING_data(ios->value), len); -

186

}

executed 2 times by 1 test: end of block

Executed by:

asn1evp

187 -

188 ret = ASN1_STRING_length(ios->value); -

189 -

190

err:

code before this statement executed 2 times by 1 test: err:

Executed by:

asn1evp

191 ASN1_item_free((ASN1_VALUE *)ios, &ASN1_INT_OCTETSTRING_it); -

192 -

193

if (ret == -1)

ret == -1	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: asn1evp

0-2

194

ASN1error(ASN1_R_DATA_IS_WRONG);

never executed: ERR_put_error(13,(0xfff),(109),__FILE__,194);

195 -

196

return ret;

executed 2 times by 1 test: return ret;

Executed by:

asn1evp

197 } -

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