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SSL_CTX_get0_param

Section: OpenSSL (3)
Updated: 2017-05-25
Index Return to Main Contents
 

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.


 

Index

NAME
SYNOPSIS
DESCRIPTION
NOTES
EXAMPLE
RETURN VALUES
SEE ALSO
HISTORY





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