MirOS Manual: SSL_load_client_CA_file(3)


SSL_LOAD_CLIENT_CA_FILE(3)   OpenSSL   SSL_LOAD_CLIENT_CA_FILE(3)

NAME

     SSL_load_client_CA_file - load certificate names from file

SYNOPSIS

      #include <openssl/ssl.h>

      STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);

DESCRIPTION

     SSL_load_client_CA_file() reads certificates from file and
     returns a STACK_OF(X509_NAME) with the subject names found.

NOTES

     SSL_load_client_CA_file() reads a file of PEM formatted cer-
     tificates and extracts the X509_NAMES of the certificates
     found. While the name suggests the specific usage as support
     function for SSL_CTX_set_client_CA_list(3), it is not lim-
     ited to CA certificates.

EXAMPLES

     Load names of CAs from file and use it as a client CA list:

      SSL_CTX *ctx;
      STACK_OF(X509_NAME) *cert_names;

      ...
      cert_names = SSL_load_client_CA_file("/path/to/CAfile.pem");
      if (cert_names != NULL)
        SSL_CTX_set_client_CA_list(ctx, cert_names);
      else
        error_handling();
      ...

RETURN VALUES

     The following return values can occur:

     NULL
         The operation failed, check out the error stack for the
         reason.

     Pointer to STACK_OF(X509_NAME)
         Pointer to the subject names of the successfully read
         certificates.

SEE ALSO

     ssl(3), SSL_CTX_set_client_CA_list(3)

MirOS BSD #10-current      2005-02-05                           1

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