SSL_CTX_get0_param(3) OpenSSL SSL_CTX_get0_param(3) NAME SSL_CTX_get0_param, SSL_get0_param, SSL_CTX_set1_param, SSL_set1_param - get and set verification parameters SYNOPSIS #include <openssl/ssl.h> X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx) X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl) int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm) int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm) DESCRIPTION SSL_CTX_get0_param() and SSL_get0_param() retrieve an internal pointer to the verification parameters for ctx or ssl respectively. The returned pointer must not be freed by the calling application. SSL_CTX_set1_param() and SSL_set1_param() set the verification parameters to vpm for ctx or ssl. NOTES Typically parameters are retrieved from an SSL_CTX or SSL structure using SSL_CTX_get0_param() or SSL_get0_param() and an application modifies them to suit its needs: for example to add a hostname check. EXAMPLE Check hostname matches "www.foo.com" in peer certificate: X509_VERIFY_PARAM *vpm = SSL_get0_param(ssl); X509_VERIFY_PARAM_set1_host(vpm, "www.foo.com", 0); RETURN VALUES SSL_CTX_get0_param() and SSL_get0_param() return a pointer to an X509_VERIFY_PARAM structure. SSL_CTX_set1_param() and SSL_set1_param() return 1 for success and 0 for failure. SEE ALSO X509_VERIFY_PARAM_set_flags(3) HISTORY These functions were first added to OpenSSL 1.0.2. 1.0.2k 2017-01-26 SSL_CTX_get0_param(3)
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