Mercurial > trustbridge > nss-cmake-static
annotate nss/lib/certdb/xbsconst.c @ 0:1e5118fa0cb1
This is NSS with a Cmake Buildsyste
To compile a static NSS library for Windows we've used the
Chromium-NSS fork and added a Cmake buildsystem to compile
it statically for Windows. See README.chromium for chromium
changes and README.trustbridge for our modifications.
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Mon, 28 Jul 2014 10:47:06 +0200 |
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children |
rev | line source |
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0
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1 /* This Source Code Form is subject to the terms of the Mozilla Public |
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2 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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4 |
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5 /* |
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6 * X.509 v3 Basic Constraints Extension |
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7 */ |
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8 |
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9 #include "prtypes.h" |
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10 #include <limits.h> /* for LONG_MAX */ |
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11 #include "seccomon.h" |
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12 #include "secdert.h" |
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13 #include "secoidt.h" |
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14 #include "secasn1t.h" |
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15 #include "secasn1.h" |
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16 #include "certt.h" |
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17 #include "secder.h" |
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18 #include "prprf.h" |
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19 #include "secerr.h" |
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20 |
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21 typedef struct EncodedContext{ |
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22 SECItem isCA; |
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23 SECItem pathLenConstraint; |
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24 SECItem encodedValue; |
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25 PLArenaPool *arena; |
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26 }EncodedContext; |
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27 |
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28 static const SEC_ASN1Template CERTBasicConstraintsTemplate[] = { |
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29 { SEC_ASN1_SEQUENCE, |
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30 0, NULL, sizeof(EncodedContext) }, |
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31 { SEC_ASN1_OPTIONAL | SEC_ASN1_BOOLEAN, /* XXX DER_DEFAULT */ |
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32 offsetof(EncodedContext,isCA)}, |
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33 { SEC_ASN1_OPTIONAL | SEC_ASN1_INTEGER, |
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34 offsetof(EncodedContext,pathLenConstraint) }, |
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35 { 0, } |
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36 }; |
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37 |
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38 static unsigned char hexTrue = 0xff; |
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39 static unsigned char hexFalse = 0x00; |
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40 |
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41 #define GEN_BREAK(status) rv = status; break; |
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42 |
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43 SECStatus CERT_EncodeBasicConstraintValue |
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44 (PLArenaPool *arena, CERTBasicConstraints *value, SECItem *encodedValue) |
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45 { |
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46 EncodedContext encodeContext; |
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47 PLArenaPool *our_pool = NULL; |
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48 SECStatus rv = SECSuccess; |
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49 |
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50 do { |
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51 PORT_Memset (&encodeContext, 0, sizeof (encodeContext)); |
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52 if (!value->isCA && value->pathLenConstraint >= 0) { |
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53 PORT_SetError (SEC_ERROR_EXTENSION_VALUE_INVALID); |
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54 GEN_BREAK (SECFailure); |
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55 } |
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56 |
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57 encodeContext.arena = arena; |
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58 if (value->isCA == PR_TRUE) { |
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59 encodeContext.isCA.data = &hexTrue ; |
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60 encodeContext.isCA.len = 1; |
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61 } |
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62 |
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63 /* If the pathLenConstraint is less than 0, then it should be |
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64 * omitted from the encoding. |
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65 */ |
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66 if (value->isCA && value->pathLenConstraint >= 0) { |
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67 our_pool = PORT_NewArena (SEC_ASN1_DEFAULT_ARENA_SIZE); |
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68 if (our_pool == NULL) { |
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69 PORT_SetError (SEC_ERROR_NO_MEMORY); |
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70 GEN_BREAK (SECFailure); |
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71 } |
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72 if (SEC_ASN1EncodeUnsignedInteger |
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73 (our_pool, &encodeContext.pathLenConstraint, |
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74 (unsigned long)value->pathLenConstraint) == NULL) { |
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75 PORT_SetError (SEC_ERROR_NO_MEMORY); |
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76 GEN_BREAK (SECFailure); |
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77 } |
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78 } |
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79 if (SEC_ASN1EncodeItem (arena, encodedValue, &encodeContext, |
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80 CERTBasicConstraintsTemplate) == NULL) { |
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81 GEN_BREAK (SECFailure); |
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82 } |
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83 } while (0); |
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84 if (our_pool) |
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85 PORT_FreeArena (our_pool, PR_FALSE); |
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86 return(rv); |
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87 |
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88 } |
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89 |
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90 SECStatus CERT_DecodeBasicConstraintValue |
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91 (CERTBasicConstraints *value, const SECItem *encodedValue) |
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92 { |
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93 EncodedContext decodeContext; |
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94 PLArenaPool *our_pool; |
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95 SECStatus rv = SECSuccess; |
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96 |
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97 do { |
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98 PORT_Memset (&decodeContext, 0, sizeof (decodeContext)); |
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99 /* initialize the value just in case we got "0x30 00", or when the |
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100 pathLenConstraint is omitted. |
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101 */ |
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102 decodeContext.isCA.data =&hexFalse; |
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103 decodeContext.isCA.len = 1; |
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104 |
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105 our_pool = PORT_NewArena (SEC_ASN1_DEFAULT_ARENA_SIZE); |
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106 if (our_pool == NULL) { |
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107 PORT_SetError (SEC_ERROR_NO_MEMORY); |
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108 GEN_BREAK (SECFailure); |
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109 } |
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110 |
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111 rv = SEC_QuickDERDecodeItem |
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112 (our_pool, &decodeContext, CERTBasicConstraintsTemplate, encodedValue); |
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113 if (rv == SECFailure) |
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114 break; |
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115 |
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116 value->isCA = decodeContext.isCA.data |
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117 ? (PRBool)(decodeContext.isCA.data[0] != 0) |
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118 : PR_FALSE; |
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119 if (decodeContext.pathLenConstraint.data == NULL) { |
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120 /* if the pathLenConstraint is not encoded, and the current setting |
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121 is CA, then the pathLenConstraint should be set to a negative number |
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122 for unlimited certificate path. |
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123 */ |
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124 if (value->isCA) |
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125 value->pathLenConstraint = CERT_UNLIMITED_PATH_CONSTRAINT; |
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126 } else if (value->isCA) { |
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127 long len = DER_GetInteger (&decodeContext.pathLenConstraint); |
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128 if (len < 0 || len == LONG_MAX) { |
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129 PORT_SetError (SEC_ERROR_BAD_DER); |
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130 GEN_BREAK (SECFailure); |
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131 } |
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132 value->pathLenConstraint = len; |
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133 } else { |
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134 /* here we get an error where the subject is not a CA, but |
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135 the pathLenConstraint is set */ |
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136 PORT_SetError (SEC_ERROR_BAD_DER); |
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137 GEN_BREAK (SECFailure); |
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138 break; |
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139 } |
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140 |
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141 } while (0); |
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142 PORT_FreeArena (our_pool, PR_FALSE); |
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143 return (rv); |
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144 |
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145 } |