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open62541
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ua_securitypolicy_none.c

ua_securitypolicy_none.c 6.4 KB
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  1. /* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
    2. 

  2.  * See http://creativecommons.org/publicdomain/zero/1.0/ for more information. 
    3. 

  3.  *
    4. 

  4.  *    Copyright 2017 (c) Mark Giraud, Fraunhofer IOSB
    5. 

  5.  *    Copyright 2017 (c) Stefan Profanter, fortiss GmbH
    6. 

  6.  */
    7. 

  7. 

  8. #include "ua_types.h"
    9. 

  9. #include "ua_securitypolicy_none.h"
    10. 

  10. #include "ua_types_generated_handling.h"
    11. 

  11. 

  12. static UA_StatusCode
    13. 

  13. verify_none(const UA_SecurityPolicy *securityPolicy,
    14. 

  14.             void *channelContext,
    15. 

  15.             const UA_ByteString *message,
    16. 

  16.             const UA_ByteString *signature) {
    17. 

  17.     return UA_STATUSCODE_GOOD;
    18. 

  18. }
    19. 

  19. 

  20. static UA_StatusCode
    21. 

  21. sign_none(const UA_SecurityPolicy *securityPolicy,
    22. 

  22.           void *channelContext,
    23. 

  23.           const UA_ByteString *message,
    24. 

  24.           UA_ByteString *signature) {
    25. 

  25.     return UA_STATUSCODE_GOOD;
    26. 

  26. }
    27. 

  27. 

  28. static size_t
    29. 

  29. length_none(const UA_SecurityPolicy *securityPolicy,
    30. 

  30.             const void *channelContext) {
    31. 

  31.     return 0;
    32. 

  32. }
    33. 

  33. 

  34. static UA_StatusCode
    35. 

  35. encrypt_none(const UA_SecurityPolicy *securityPolicy,
    36. 

  36.              void *channelContext,
    37. 

  37.              UA_ByteString *data) {
    38. 

  38.     return UA_STATUSCODE_GOOD;
    39. 

  39. }
    40. 

  40. 

  41. static UA_StatusCode
    42. 

  42. decrypt_none(const UA_SecurityPolicy *securityPolicy,
    43. 

  43.              void *channelContext,
    44. 

  44.              UA_ByteString *data) {
    45. 

  45.     return UA_STATUSCODE_GOOD;
    46. 

  46. }
    47. 

  47. 

  48. static UA_StatusCode
    49. 

  49. makeThumbprint_none(const UA_SecurityPolicy *securityPolicy,
    50. 

  50.                     const UA_ByteString *certificate,
    51. 

  51.                     UA_ByteString *thumbprint) {
    52. 

  52.     return UA_STATUSCODE_GOOD;
    53. 

  53. }
    54. 

  54. 

  55. static UA_StatusCode
    56. 

  56. compareThumbprint_none(const UA_SecurityPolicy *securityPolicy,
    57. 

  57.                        const UA_ByteString *certificateThumbprint) {
    58. 

  58.     return UA_STATUSCODE_GOOD;
    59. 

  59. }
    60. 

  60. 

  61. static UA_StatusCode
    62. 

  62. generateKey_none(const UA_SecurityPolicy *securityPolicy,
    63. 

  63.                  const UA_ByteString *secret,
    64. 

  64.                  const UA_ByteString *seed,
    65. 

  65.                  UA_ByteString *out) {
    66. 

  66.     return UA_STATUSCODE_GOOD;
    67. 

  67. }
    68. 

  68. 

  69. static UA_StatusCode
    70. 

  70. generateNonce_none(const UA_SecurityPolicy *securityPolicy,
    71. 

  71.                    UA_ByteString *out) {
    72. 

  72.     if(securityPolicy == NULL || out == NULL)
    73. 

  73.         return UA_STATUSCODE_BADINTERNALERROR;
    74. 

  74.     if(out->length != 0)
    75. 

  75.         return UA_STATUSCODE_BADINTERNALERROR;
    76. 

  76. 

  77.     if(out->data != NULL)
    78. 

  78.         UA_ByteString_deleteMembers(out);
    79. 

  79. 

  80.     out->data = (UA_Byte *) UA_EMPTY_ARRAY_SENTINEL;
    81. 

  81.     return UA_STATUSCODE_GOOD;
    82. 

  82. }
    83. 

  83. 

  84. static UA_StatusCode
    85. 

  85. newContext_none(const UA_SecurityPolicy *securityPolicy,
    86. 

  86.                 const UA_ByteString *remoteCertificate,
    87. 

  87.                 void **channelContext) {
    88. 

  88.     return UA_STATUSCODE_GOOD;
    89. 

  89. }
    90. 

  90. 

  91. static void
    92. 

  92. deleteContext_none(void *channelContext) {
    93. 

  93. }
    94. 

  94. 

  95. static UA_StatusCode
    96. 

  96. setContextValue_none(void *channelContext,
    97. 

  97.                      const UA_ByteString *key) {
    98. 

  98.     return UA_STATUSCODE_GOOD;
    99. 

  99. }
    100. 

  100. 

  101. static size_t
    102. 

  102. getRemoteAsymPlainTextBlockSize_none(const void *channelContext) {
    103. 

  103.     return 0;
    104. 

  104. }
    105. 

  105. 

  106. static size_t
    107. 

  107. getRemoteAsymEncryptionBufferLengthOverhead_none(const void *channelContext,
    108. 

  108.                                                  size_t maxEncryptionLength) {
    109. 

  109.     return 0;
    110. 

  110. }
    111. 

  111. 

  112. static UA_StatusCode
    113. 

  113. compareCertificate_none(const void *channelContext,
    114. 

  114.                         const UA_ByteString *certificate) {
    115. 

  115.     return UA_STATUSCODE_GOOD;
    116. 

  116. }
    117. 

  117. 

  118. static void
    119. 

  119. policy_deletemembers_none(UA_SecurityPolicy *policy) {
    120. 

  120.     UA_ByteString_deleteMembers(&policy->localCertificate);
    121. 

  121. }
    122. 

  122. 

  123. UA_StatusCode
    124. 

  124. UA_SecurityPolicy_None(UA_SecurityPolicy *policy, UA_CertificateVerification *certificateVerification,
    125. 

  125.                        const UA_ByteString localCertificate, UA_Logger logger) {
    126. 

  126.     policy->policyContext = (void *) (uintptr_t) logger;
    127. 

  127.     policy->policyUri = UA_STRING("http://opcfoundation.org/UA/SecurityPolicy#None");
    128. 

  128.     policy->logger = logger;
    129. 

  129.     UA_ByteString_copy(&localCertificate, &policy->localCertificate);
    130. 

  130. 

  131.     policy->certificateVerification = certificateVerification;
    132. 

  132. 

  133.     policy->asymmetricModule.makeCertificateThumbprint = makeThumbprint_none;
    134. 

  134.     policy->asymmetricModule.compareCertificateThumbprint = compareThumbprint_none;
    135. 

  135.     policy->asymmetricModule.cryptoModule.signatureAlgorithmUri = UA_STRING_NULL;
    136. 

  136.     policy->asymmetricModule.cryptoModule.verify = verify_none;
    137. 

  137.     policy->asymmetricModule.cryptoModule.sign = sign_none;
    138. 

  138.     policy->asymmetricModule.cryptoModule.getLocalSignatureSize = length_none;
    139. 

  139.     policy->asymmetricModule.cryptoModule.getRemoteSignatureSize = length_none;
    140. 

  140.     policy->asymmetricModule.cryptoModule.encrypt = encrypt_none;
    141. 

  141.     policy->asymmetricModule.cryptoModule.decrypt = decrypt_none;
    142. 

  142.     policy->asymmetricModule.cryptoModule.getLocalEncryptionKeyLength = length_none;
    143. 

  143.     policy->asymmetricModule.cryptoModule.getRemoteEncryptionKeyLength = length_none;
    144. 

  144. 

  145.     policy->symmetricModule.generateKey = generateKey_none;
    146. 

  146.     policy->symmetricModule.generateNonce = generateNonce_none;
    147. 

  147.     policy->symmetricModule.cryptoModule.signatureAlgorithmUri = UA_STRING_NULL;
    148. 

  148.     policy->symmetricModule.cryptoModule.verify = verify_none;
    149. 

  149.     policy->symmetricModule.cryptoModule.sign = sign_none;
    150. 

  150.     policy->symmetricModule.cryptoModule.getLocalSignatureSize = length_none;
    151. 

  151.     policy->symmetricModule.cryptoModule.getRemoteSignatureSize = length_none;
    152. 

  152.     policy->symmetricModule.cryptoModule.encrypt = encrypt_none;
    153. 

  153.     policy->symmetricModule.cryptoModule.decrypt = decrypt_none;
    154. 

  154.     policy->symmetricModule.cryptoModule.getLocalEncryptionKeyLength = length_none;
    155. 

  155.     policy->symmetricModule.cryptoModule.getRemoteEncryptionKeyLength = length_none;
    156. 

  156.     policy->symmetricModule.encryptionBlockSize = 0;
    157. 

  157.     policy->symmetricModule.signingKeyLength = 0;
    158. 

  158. 

  159.     policy->channelModule.newContext = newContext_none;
    160. 

  160.     policy->channelModule.deleteContext = deleteContext_none;
    161. 

  161.     policy->channelModule.setLocalSymEncryptingKey = setContextValue_none;
    162. 

  162.     policy->channelModule.setLocalSymSigningKey = setContextValue_none;
    163. 

  163.     policy->channelModule.setLocalSymIv = setContextValue_none;
    164. 

  164.     policy->channelModule.setRemoteSymEncryptingKey = setContextValue_none;
    165. 

  165.     policy->channelModule.setRemoteSymSigningKey = setContextValue_none;
    166. 

  166.     policy->channelModule.setRemoteSymIv = setContextValue_none;
    167. 

  167.     policy->channelModule.compareCertificate = compareCertificate_none;
    168. 

  168.     policy->channelModule.getRemoteAsymPlainTextBlockSize = getRemoteAsymPlainTextBlockSize_none;
    169. 

  169.     policy->channelModule.getRemoteAsymEncryptionBufferLengthOverhead =
    170. 

  170.         getRemoteAsymEncryptionBufferLengthOverhead_none;
    171. 

  171.     policy->deleteMembers = policy_deletemembers_none;
    172. 

  172. 

  173.     return UA_STATUSCODE_GOOD;
    174. 

  174. }
    175. 

  175.