server_certificate.c 2.1 KB

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  1. /* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
  2. * See http://creativecommons.org/publicdomain/zero/1.0/ for more information. */
  3. #ifdef _MSC_VER
  4. #define _CRT_SECURE_NO_WARNINGS //disable fopen deprication warning in msvs
  5. #endif
  6. #include <stdio.h>
  7. #include <signal.h>
  8. #include <errno.h> // errno, EINTR
  9. #include <stdlib.h>
  10. #include "open62541.h"
  11. UA_Boolean running = true;
  12. UA_Logger logger = UA_Log_Stdout;
  13. static UA_ByteString loadCertificate(void) {
  14. UA_ByteString certificate = UA_STRING_NULL;
  15. //FIXME: a potiential bug of locating the certificate, we need to get the path from the server's config
  16. FILE *fp = fopen("server_cert.der", "rb");
  17. if(!fp) {
  18. errno = 0; // we read errno also from the tcp layer...
  19. UA_LOG_ERROR(logger, UA_LOGCATEGORY_SERVER, "Could not open certificate file");
  20. return certificate;
  21. }
  22. fseek(fp, 0, SEEK_END);
  23. certificate.length = (size_t)ftell(fp);
  24. certificate.data = (UA_Byte *)UA_malloc(certificate.length*sizeof(UA_Byte));
  25. if(!certificate.data){
  26. fclose(fp);
  27. return UA_STRING_NULL;
  28. }
  29. fseek(fp, 0, SEEK_SET);
  30. if(fread(certificate.data, sizeof(UA_Byte), certificate.length, fp) < (size_t)certificate.length)
  31. UA_ByteString_deleteMembers(&certificate); // error reading the cert
  32. fclose(fp);
  33. return certificate;
  34. }
  35. static void stopHandler(int sign) {
  36. UA_LOG_INFO(logger, UA_LOGCATEGORY_SERVER, "received ctrl-c");
  37. running = false;
  38. }
  39. int main(int argc, char** argv) {
  40. signal(SIGINT, stopHandler); /* catches ctrl-c */
  41. UA_ServerConfig *config = UA_ServerConfig_new_default();
  42. /* load certificate */
  43. config->serverCertificate = loadCertificate();
  44. if(config->serverCertificate.length > 0)
  45. UA_LOG_INFO(logger, UA_LOGCATEGORY_SERVER, "Certificate loaded");
  46. UA_Server *server = UA_Server_new(config);
  47. UA_StatusCode retval = UA_Server_run(server, &running);
  48. /* deallocate certificate's memory */
  49. UA_ByteString_deleteMembers(&config->serverCertificate);
  50. UA_Server_delete(server);
  51. UA_ServerConfig_delete(config);
  52. return (int)retval;
  53. }