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X509_STORE_LOAD_LOCATIONS(3) Library Functions Manual X509_STORE_LOAD_LOCATIONS(3)

X509_STORE_load_locations, X509_STORE_set_default_pathsconfigure files and directories used by a certificate store

#include <openssl/x509_vfy.h>

int
X509_STORE_load_locations(X509_STORE *store, const char *file, const char *dirs);

int
X509_STORE_set_default_paths(X509_STORE *store);

() instructs the store to use the PEM file file and all the PEM files in the directories contained in the colon-separated list dirs for looking up certificates, in addition to files and directories that are already configured. The certificates in the directories must be in hashed form, as documented in X509_LOOKUP_hash_dir(3). Directories already in use are not added again. If NULL is passed for file or dirs, no new file or no new directories are added, respectively.

() is identical to SSL_CTX_load_verify_locations(3) except that it operates directly on an X509_STORE object, rather than on the store used by an SSL context. See that manual page for more information.

() is similar except that it instructs the store to use the default PEM file and directory (as documented in FILES) in addition to what is already configured. It ignores errors that occur while trying to load the file or to add the directory, but it may still fail for other reasons, for example when out of memory while trying to allocate the required X509_LOOKUP objects.

() is identical to SSL_CTX_set_default_verify_paths(3) except that it operates directly on an X509_STORE object, rather than on the store used by an SSL context. See that manual page for more information.

X509_STORE_load_locations() returns 1 if all files and directories specified were successfully added. It returns 0 for failure. That can happen if adding the file failed, if adding any of the directories failed, or if both arguments were NULL.

X509_STORE_set_default_paths() returns 0 for some error conditions and 1 otherwise, not just for success, but also for various cases of failure.

/etc/ssl/cert.pem
default PEM file for X509_STORE_set_default_paths()
/etc/ssl/certs/
default directory for X509_STORE_set_default_paths()

SSL_CTX_load_verify_locations(3), X509_LOOKUP_hash_dir(3), X509_STORE_new(3), X509_STORE_set1_param(3), X509_STORE_set_verify_cb(3)

X509_STORE_load_locations() and X509_STORE_set_default_paths() first appeared in SSLeay 0.8.0 and have been available since OpenBSD 2.4.

By the time that adding a directory is found to have failed, the file and some other directories may already have been successfully loaded, so these functions may change the state of the store even when they fail.

X509_STORE_set_default_paths() clears the error queue, deleting even error information that was already present when it was called.

March 12, 2021 OpenBSD-current