SSL_load_client_CA_file(3) - NetBSD Manual Pages

Command: Section: Arch: Collection:  
SSL_load_client_CA_file(3)          OpenSSL         SSL_load_client_CA_file(3)

SSL_load_client_CA_file, SSL_add_file_cert_subjects_to_stack, SSL_add_dir_cert_subjects_to_stack - load certificate names
libcrypto, -lcrypto
#include <openssl/ssl.h> STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file); int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, const char *file) int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, const char *dir)
SSL_load_client_CA_file() reads certificates from file and returns a STACK_OF(X509_NAME) with the subject names found. SSL_add_file_cert_subjects_to_stack() reads certificates from file, and adds their subject name to the already existing stack. SSL_add_dir_cert_subjects_to_stack() reads certificates from every file in the directory dir, and adds their subject name to the already existing stack.
SSL_load_client_CA_file() 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 function for SSL_CTX_set_client_CA_list(3), it is not limited to CA certificates.
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.
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 */ ...
ssl(7), SSL_CTX_set_client_CA_list(3)
Copyright 2000-2019 The OpenSSL Project Authors. All Rights Reserved. Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <>. 1.1.1i 2020-03-22 SSL_load_client_CA_file(3)
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