openssl/crypto/asn1/x_req.c - Issue 2072073002: Delete bundled copy of OpenSSL and replace with README.

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Issue 2072073002: Delete bundled copy of OpenSSL and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master

Patch Set: Delete bundled copy of OpenSSL and replace with README. Created 4 years, 6 months ago

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1 /* crypto/asn1/x_req.c */

2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)

3 * All rights reserved.

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 "cryptlib.h"

61 #include <openssl/asn1t.h>

62 #include <openssl/x509.h>

63

64 /* X509_REQ_INFO is handled in an unusual way to get round

65 * invalid encodings. Some broken certificate requests don't

66 * encode the attributes field if it is empty. This is in

67 * violation of PKCS#10 but we need to tolerate it. We do

68 * this by making the attributes field OPTIONAL then using

69 * the callback to initialise it to an empty STACK.

70 *

71 * This means that the field will be correctly encoded unless

72 * we NULL out the field.

73 *

74 * As a result we no longer need the req_kludge field because

75 * the information is now contained in the attributes field:

76 * 1. If it is NULL then it's the invalid omission.

77 * 2. If it is empty it is the correct encoding.

78 * 3. If it is not empty then some attributes are present.

79 *

80 */

81

82 static int rinf_cb(int operation, ASN1_VALUE *pval, const ASN1_ITEM it,

83 void *exarg)

84 {

85 X509_REQ_INFO rinf = (X509_REQ_INFO )*pval;

86

87 if(operation == ASN1_OP_NEW_POST) {

88 rinf->attributes = sk_X509_ATTRIBUTE_new_null();

89 if(!rinf->attributes) return 0;

90 }

91 return 1;

92 }

93

94 ASN1_SEQUENCE_enc(X509_REQ_INFO, enc, rinf_cb) = {

95 ASN1_SIMPLE(X509_REQ_INFO, version, ASN1_INTEGER),

96 ASN1_SIMPLE(X509_REQ_INFO, subject, X509_NAME),

97 ASN1_SIMPLE(X509_REQ_INFO, pubkey, X509_PUBKEY),

98 /* This isn't really OPTIONAL but it gets round invalid

99 * encodings

100 */

101 ASN1_IMP_SET_OF_OPT(X509_REQ_INFO, attributes, X509_ATTRIBUTE, 0)

102 } ASN1_SEQUENCE_END_enc(X509_REQ_INFO, X509_REQ_INFO)

103

104 IMPLEMENT_ASN1_FUNCTIONS(X509_REQ_INFO)

105

106 ASN1_SEQUENCE_ref(X509_REQ, 0, CRYPTO_LOCK_X509_REQ) = {

107 ASN1_SIMPLE(X509_REQ, req_info, X509_REQ_INFO),

108 ASN1_SIMPLE(X509_REQ, sig_alg, X509_ALGOR),

109 ASN1_SIMPLE(X509_REQ, signature, ASN1_BIT_STRING)

110 } ASN1_SEQUENCE_END_ref(X509_REQ, X509_REQ)

111

112 IMPLEMENT_ASN1_FUNCTIONS(X509_REQ)

113 IMPLEMENT_ASN1_DUP_FUNCTION(X509_REQ)

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