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SSL_get_ex_data.3ssl
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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" SSL_get_ex_new_index, SSL_set_ex_data, SSL_get_ex_data \- internal application specific data functions .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #include <openssl/ssl.h> \& \& int SSL_get_ex_new_index(long argl, void *argp, \& CRYPTO_EX_new *new_func, \& CRYPTO_EX_dup *dup_func, \& CRYPTO_EX_free *free_func); \& \& int SSL_set_ex_data(SSL *ssl, int idx, void *arg); \& \& void *SSL_get_ex_data(const SSL *ssl, int idx); \& \& typedef int new_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad, \& int idx, long argl, void *argp); \& typedef void free_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad, \& int idx, long argl, void *argp); \& typedef int dup_func(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from, void *from_d, \& int idx, long argl, void *argp); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" Several OpenSSL structures can have application specific data attached to them. These functions are used internally by OpenSSL to manipulate application specific data attached to a specific structure. .PP \&\fBSSL_get_ex_new_index()\fR is used to register a new index for application specific data. .PP \&\fBSSL_set_ex_data()\fR is used to store application data at \fBarg\fR for \fBidx\fR into the \fBssl\fR object. .PP \&\fBSSL_get_ex_data()\fR is used to retrieve the information for \fBidx\fR from \&\fBssl\fR. .PP A detailed description for the \fB*\fB_get_ex_new_index()\fB\fR functionality can be found in \fBRSA_get_ex_new_index\fR\|(3). The \fB*\fB_get_ex_data()\fB\fR and \fB*\fB_set_ex_data()\fB\fR functionality is described in \&\fBCRYPTO_set_ex_data\fR\|(3). .SH "EXAMPLES" .IX Header "EXAMPLES" An example on how to use the functionality is included in the example \&\fBverify_callback()\fR in \fBSSL_CTX_set_verify\fR\|(3). .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBssl\fR\|(3), \&\fBRSA_get_ex_new_index\fR\|(3), \&\fBCRYPTO_set_ex_data\fR\|(3), \&\fBSSL_CTX_set_verify\fR\|(3)
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