gnutls_x509_crt_get_extension_info (3) - Linux Man Pages
gnutls_x509_crt_get_extension_info: API function
NAMEgnutls_x509_crt_get_extension_info - API function
- gnutls_x509_crt_t cert
- should contain a gnutls_x509_crt_t structure
- int indx
- Specifies which extension OID to send. Use (0) to get the first one.
- void * oid
- a pointer to a structure to hold the OID
- size_t * oid_size
- initially holds the maximum size of oid , on return holds actual size of oid .
- unsigned int * critical
- output variable with critical flag, may be NULL.
DESCRIPTIONThis function will return the requested extension OID in the certificate, and the critical flag for it. The extension OID will be stored as a string in the provided buffer. Use gnutls_x509_crt_get_extension() to extract the data.
If the buffer provided is not long enough to hold the output, then
On success, GNUTLS_E_SUCCESS (0) is returned,
otherwise a negative error code is returned. If you have reached the
last extension available GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE
will be returned.
Report bugs to <bugs [at] gnutls.org>.
Home page: http://www.gnutls.org
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