SSL_load_client_CA_file man page on DragonFly

SSL_load_client_CA_file man page on DragonFly

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SSL_LOAD_CLIENT_CA_FI... BSD Library Functions Manual SSL_LOAD_CLIENT_CA_FI...

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 certificates and
     extracts the X509_NAMEs of the certificates found.	 While the name sug‐
     gests the specific usage as support function for
     SSL_CTX_set_client_CA_list(3), it is not limited to CA certificates.

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 certifi‐
	     cates.

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();
     ...

SEE ALSO
     ssl(3), SSL_CTX_set_client_CA_list(3)

BSD				April 25, 2024				   BSD

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