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x509spki.c

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/home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/x509/x509spki.c

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1 /* $OpenBSD: x509spki.c,v 1.13 2017/01/29 17:49:23 beck Exp $ */ -

2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL -

3 * project 1999. -

4 */ -

5 /* ==================================================================== -

7 * -

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

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

10 * are met: -

11 * -

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

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

14 * -

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

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

17 * the documentation and/or other materials provided with the -

18 * distribution. -

19 * -

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

21 * software must display the following acknowledgment: -

22 * "This product includes software developed by the OpenSSL Project -

23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" -

24 * -

25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to -

26 * endorse or promote products derived from this software without -

27 * prior written permission. For written permission, please contact -

28 * licensing@OpenSSL.org. -

29 * -

30 * 5. Products derived from this software may not be called "OpenSSL" -

31 * nor may "OpenSSL" appear in their names without prior written -

32 * permission of the OpenSSL Project. -

33 * -

34 * 6. Redistributions of any form whatsoever must retain the following -

35 * acknowledgment: -

36 * "This product includes software developed by the OpenSSL Project -

37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" -

38 * -

39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY -

40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -

41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR -

42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR -

43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -

44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT -

45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -

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

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

48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -

49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED -

50 * OF THE POSSIBILITY OF SUCH DAMAGE. -

51 * ==================================================================== -

52 * -

53 * This product includes cryptographic software written by Eric Young -

54 * (eay@cryptsoft.com). This product includes software written by Tim -

55 * Hudson (tjh@cryptsoft.com). -

56 * -

57 */ -

58 -

59 #include <stdio.h> -

60 #include <string.h> -

61 -

62 #include <openssl/err.h> -

63 #include <openssl/x509.h> -

64 -

65 int -

66 NETSCAPE_SPKI_set_pubkey(NETSCAPE_SPKI *x, EVP_PKEY *pkey) -

67 { -

if ((x == NULL) || (x->spkac == NULL))

(x == ((void *)0) )	Description
TRUE	never evaluated
FALSE	never evaluated

(x->spkac == ((void *)0) )	Description
TRUE	never evaluated
FALSE	never evaluated

return (0);

never executed: return (0);

return (X509_PUBKEY_set(&(x->spkac->pubkey), pkey));

never executed: return (X509_PUBKEY_set(&(x->spkac->pubkey), pkey));

71 } -

72 -

73 EVP_PKEY * -

74 NETSCAPE_SPKI_get_pubkey(NETSCAPE_SPKI *x) -

75 { -

if ((x == NULL) || (x->spkac == NULL))

(x == ((void *)0) )	Description
TRUE	never evaluated
FALSE	never evaluated

(x->spkac == ((void *)0) )	Description
TRUE	never evaluated
FALSE	never evaluated

return (NULL);

never executed: return ( ((void *)0) );

return (X509_PUBKEY_get(x->spkac->pubkey));

never executed: return (X509_PUBKEY_get(x->spkac->pubkey));

79 } -

80 -

81 /* Load a Netscape SPKI from a base64 encoded string */ -

82 -

83 NETSCAPE_SPKI * -

84 NETSCAPE_SPKI_b64_decode(const char *str, int len) -

85 { -

86 unsigned char *spki_der; -

87 const unsigned char *p; -

88 int spki_len; -

89 NETSCAPE_SPKI *spki; -

90 -

if (len <= 0)

len <= 0	Description
TRUE	never evaluated
FALSE	never evaluated

len = strlen(str);

never executed: len = strlen(str);

if (!(spki_der = malloc(len + 1))) {

!(spki_der = malloc(len + 1))	Description
TRUE	never evaluated
FALSE	never evaluated

94 X509error(ERR_R_MALLOC_FAILURE); -

return NULL;

never executed: return ((void *)0) ;

96 } -

97 spki_len = EVP_DecodeBlock(spki_der, (const unsigned char *)str, len); -

if (spki_len < 0) {

spki_len < 0	Description
TRUE	never evaluated
FALSE	never evaluated

99 X509error(X509_R_BASE64_DECODE_ERROR); -

100 free(spki_der); -

101

return NULL;

never executed: return ((void *)0) ;

102 } -

103 p = spki_der; -

104 spki = d2i_NETSCAPE_SPKI(NULL, &p, spki_len); -

105 free(spki_der); -

106

return spki;

never executed: return spki;

107 } -

108 -

109 /* Generate a base64 encoded string from an SPKI */ -

110 -

111 char * -

112 NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *spki) -

113 { -

114 unsigned char *der_spki, *p; -

115 char *b64_str; -

116 int der_len; -

117 der_len = i2d_NETSCAPE_SPKI(spki, NULL); -

118 der_spki = malloc(der_len); -

119 b64_str = reallocarray(NULL, der_len, 2); -

120

if (!der_spki || !b64_str) {

!der_spki	Description
TRUE	never evaluated
FALSE	never evaluated

!b64_str	Description
TRUE	never evaluated
FALSE	never evaluated

121 X509error(ERR_R_MALLOC_FAILURE); -

122 free(der_spki); -

123 free(b64_str); -

124

return NULL;

never executed: return ((void *)0) ;

125 } -

126 p = der_spki; -

127 i2d_NETSCAPE_SPKI(spki, &p); -

128 EVP_EncodeBlock((unsigned char *)b64_str, der_spki, der_len); -

129 free(der_spki); -

130

return b64_str;

never executed: return b64_str;

131 } -

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