1gnutls_x509_crt_get_issuer_dn_by_oid(g3n)utglnsutls_x509_crt_get_issuer_dn_by_oid(3)
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NAME

6       gnutls_x509_crt_get_issuer_dn_by_oid - API function
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SYNOPSIS

9       #include <gnutls/x509.h>
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11       int  gnutls_x509_crt_get_issuer_dn_by_oid(gnutls_x509_crt_t cert, const
12       char * oid, int indx, unsigned int  raw_flag,  void  *  buf,  size_t  *
13       buf_size);
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ARGUMENTS

16       gnutls_x509_crt_t cert
17                   should contain a gnutls_x509_crt_t structure
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19       const char * oid
20                   holds an Object Identified in null terminated string
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22       int indx    In case multiple same OIDs exist in the RDN, this specifies
23                   which to send. Use (0) to get the first one.
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25       unsigned int raw_flag
26                   If non-zero returns the raw DER data of the DN part.
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28       void * buf  a pointer to a structure to hold the name (may be null)
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30       size_t * buf_size
31                   initially holds the size of  buf
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DESCRIPTION

34       This function will extract the part of  the  name  of  the  Certificate
35       issuer  specified  by the given OID. The output, if the raw flag is not
36       used, will be encoded as described in RFC4514. Thus a  string  that  is
37       ASCII or UTF-8 encoded, depending on the certificate data.
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39       Some  helper  macros with popular OIDs can be found in gnutls/x509.h If
40       raw flag is (0), this function will only return  known  OIDs  as  text.
41       Other  OIDs will be DER encoded, as described in RFC4514 -- in hex for‐
42       mat  with  a  '#'  prefix.   You  can  check  about  known  OIDs  using
43       gnutls_x509_dn_oid_known().
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45       If   buf is null then only the size will be filled. If the  raw_flag is
46       not specified the output is always null terminated, although the
47        buf_size will not include the null character.
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RETURNS

50       GNUTLS_E_SHORT_MEMORY_BUFFER if the provided buffer is not long enough,
51       and  in that case the  buf_size will be updated with the required size.
52       GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE if there are no data in the  cur‐
53       rent index. On success 0 is returned.
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REPORTING BUGS

56       Report bugs to <bugs@gnutls.org>.
57       Home page: http://www.gnutls.org
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61       Copyright © 2001-2014 Free Software Foundation, Inc..
62       Copying  and  distribution  of this file, with or without modification,
63       are permitted in any medium  without  royalty  provided  the  copyright
64       notice and this notice are preserved.
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SEE ALSO

67       The  full  documentation  for gnutls is maintained as a Texinfo manual.
68       If the /usr/share/doc/gnutls/ directory does not contain the HTML  form
69       visit
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71       http://www.gnutls.org/manual/
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73gnutls                              3.3.g2n9utls_x509_crt_get_issuer_dn_by_oid(3)
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