1gnutls_x509_crt_get_extension_by_oid2g(n3ug)tnlustls_x509_crt_get_extension_by_oid2(3)
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NAME

6       gnutls_x509_crt_get_extension_by_oid2 - API function
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SYNOPSIS

9       #include <gnutls/x509.h>
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11       int gnutls_x509_crt_get_extension_by_oid2(gnutls_x509_crt_t cert, const
12       char * oid, unsigned indx, gnutls_datum_t  *  output,  unsigned  int  *
13       critical);
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ARGUMENTS

16       gnutls_x509_crt_t cert
17                   should contain a gnutls_x509_crt_t type
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19       const char * oid
20                   holds an Object Identified in null terminated string
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22       unsigned indx
23                   In  case  multiple  same OIDs exist in the extensions, this
24                   specifies which to send. Use (0) to get the first one.
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26       gnutls_datum_t * output
27                   will hold the allocated extension data
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29       unsigned int * critical
30                   will be non-zero if the extension is marked as critical
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DESCRIPTION

33       This function will return the extension specified by  the  OID  in  the
34       certificate.   The  extensions  will  be  returned  as  binary data DER
35       encoded, in the provided buffer.
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RETURNS

38       On success, GNUTLS_E_SUCCESS (0)  is  returned,  otherwise  a  negative
39       error  code is returned. If the certificate does not contain the speci‐
40       fied extension GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.
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SINCE

43       3.3.8
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REPORTING BUGS

46       Report bugs to <bugs@gnutls.org>.
47       Home page: https://www.gnutls.org
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51       Copyright © 2001-2020 Free Software Foundation, Inc., and others.
52       Copying and distribution of this file, with  or  without  modification,
53       are  permitted  in  any  medium  without royalty provided the copyright
54       notice and this notice are preserved.
55

SEE ALSO

57       The full documentation for gnutls is maintained as  a  Texinfo  manual.
58       If  the /usr/share/doc/gnutls/ directory does not contain the HTML form
59       visit
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61       https://www.gnutls.org/manual/
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63gnutls                              3.6g.n1u3tls_x509_crt_get_extension_by_oid2(3)
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