SSL_custom_ext_parse_cb

Parse a received custom TLS extension (context‐aware form).

Synopsis

Declared in <openssl/ssl.h>

typedef int(* SSL_custom_ext_parse_cb_ex)(SSL*, unsigned int, unsigned int, unsigned char const*, size_t, X509*, size_t, int*, void*);

1 if the extension is acceptable; 0 or negative to abort with al.

Name

Description

SSL connection parsing the message.

ext_type

TLS extension type being parsed.

context

Bitmask identifying the message and conditions for this call.

Extension payload bytes (temporary; invalid after return).

inlen

Length of in in bytes.

Current certificate when parsing a Certificate message, else NULL.

chainidx

Index of x in the Certificate message (0 = end entity).

On fatal error, set to the TLS alert to send.

parse_arg

Application argument registered with the extension.

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