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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

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


NOTES

  The SSL_load_client_CA_file() function reads a file of PEM formatted
  certificates and extracts the X509_NAMES of the certificates found. While
  the name suggests the specific usage as support for the
  SSL_CTX_set_client_CA_list() function, it is not limited 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

  Functions: ssl(3), SSL_CTX_set_client_CA_list(3)

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