X509_STORE_CTX_get_by_subject, X509_STORE_CTX_get_obj_by_subject - X509 and X509_CRL lookup functions

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       Licensed under the Apache License 2.0 (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
       <https://www.openssl.org/source/license.html>.

3.5.0                                              2025-06-04                X509_STORE_CTX_GET_BY_SUBJECT(3SSL)

X509_STORE_CTX_get_by_subject() tries to find an object of given type, which may be X509_LU_X509 or
       X509_LU_CRL, and subject name from the store in the provided store context vs.  If found and ret is not
       NULL, it increments the reference count and stores the looked up object in ret.

       X509_STORE_CTX_get_obj_by_subject() is like X509_STORE_CTX_get_by_subject() but returns the found object
       on success, else NULL.

       X509_STORE_CTX_get_by_subject, X509_STORE_CTX_get_obj_by_subject - X509 and X509_CRL lookup functions

X509_STORE_CTX_get_by_subject() returns 1 if the lookup was successful, else 0.

       X509_STORE_CTX_get_obj_by_subject() returns an object on success, else NULL.

X509_LOOKUP_meth_set_get_by_subject(3), X509_LOOKUP_by_subject(3)

        #include <openssl/x509_vfy.h>

        int X509_STORE_CTX_get_by_subject(const X509_STORE_CTX *vs,
                                          X509_LOOKUP_TYPE type,
                                          const X509_NAME *name, X509_OBJECT *ret);
        X509_OBJECT *X509_STORE_CTX_get_obj_by_subject(X509_STORE_CTX *vs,
                                                       X509_LOOKUP_TYPE type,
                                                       const X509_NAME *name);