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gnutls_x509_crt_get_dn_by_oid(3)    gnutls    gnutls_x509_crt_get_dn_by_oid(3)


NAME

       gnutls_x509_crt_get_dn_by_oid - API function


SYNOPSIS

       #include <gnutls/x509.h>

       int gnutls_x509_crt_get_dn_by_oid(gnutls_x509_crt_t cert, const char *
       oid, unsigned indx, unsigned int raw_flag, void * buf, size_t *
       buf_size);


ARGUMENTS

       gnutls_x509_crt_t cert
                   should contain a gnutls_x509_crt_t type

       const char * oid
                   holds an Object Identified in null terminated string

       unsigned indx
                   In case multiple same OIDs exist in the RDN, this specifies
                   which to send. Use (0) to get the first one.

       unsigned int raw_flag
                   If non-zero returns the raw DER data of the DN part.

       void * buf  a pointer where the DN part will be copied (may be null).

       size_t * buf_size
                   initially holds the size of  buf


DESCRIPTION

       This function will extract the part of the name of the Certificate
       subject specified by the given OID. The output, if the raw flag is not
       used, will be encoded as described in RFC4514. Thus a string that is
       ASCII or UTF-8 encoded, depending on the certificate data.

       Some helper macros with popular OIDs can be found in gnutls/x509.h If
       raw flag is (0), this function will only return known OIDs as text.
       Other OIDs will be DER encoded, as described in RFC4514 -- in hex
       format with a '#' prefix.  You can check about known OIDs using
       gnutls_x509_dn_oid_known().

       If  buf is null then only the size will be filled. If the  raw_flag is
       not specified the output is always null terminated, although the
        buf_size will not include the null character.


RETURNS

       GNUTLS_E_SHORT_MEMORY_BUFFER if the provided buffer is not long enough,
       and in that case the  buf_size will be updated with the required size.
       GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE if there are no data in the
       current index. On success 0 is returned.


REPORTING BUGS

       Report bugs to <bugs@gnutls.org>.
       Home page: https://www.gnutls.org


COPYRIGHT

       Copyright (C) 2001- Free Software Foundation, Inc., and others.
       Copying and distribution of this file, with or without modification,
       are permitted in any medium without royalty provided the copyright
       notice and this notice are preserved.


SEE ALSO

       The full documentation for gnutls is maintained as a Texinfo manual.
       If the /usr/local/share/doc/gnutls/ directory does not contain the HTML
       form visit

       https://www.gnutls.org/manual/

gnutls                               3.7.9    gnutls_x509_crt_get_dn_by_oid(3)

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