1gnutls_x509_crq_get_extension_by_oid(g3n)utglnsutls_x509_crq_get_extension_by_oid(3)
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NAME

6       gnutls_x509_crq_get_extension_by_oid - API function
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SYNOPSIS

9       #include <gnutls/x509.h>
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11       int  gnutls_x509_crq_get_extension_by_oid(gnutls_x509_crq_t  crq, const
12       char * oid, unsigned indx, void * buf, size_t * buf_size, unsigned  int
13       * critical);
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ARGUMENTS

16       gnutls_x509_crq_t crq
17                   should contain a gnutls_x509_crq_t type
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19       const char * oid
20                   holds an Object Identifier in a 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 get. Use (0) to get the first one.
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26       void * buf  a pointer to a structure to hold the name (may be null)
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28       size_t * buf_size
29                   initially holds the size of  buf
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31       unsigned int * critical
32                   will be non-zero if the extension is marked as critical
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DESCRIPTION

35       This function will return the extension specified by  the  OID  in  the
36       certificate.   The  extensions  will be returned as binary data DER en‐
37       coded, in the provided buffer.
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RETURNS

40       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative  er‐
41       ror  code in case of an error.  If the certificate does not contain the
42       specified extension GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will  be  re‐
43       turned.
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SINCE

46       2.8.0
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REPORTING BUGS

49       Report bugs to <bugs@gnutls.org>.
50       Home page: https://www.gnutls.org
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54       Copyright © 2001-2023 Free Software Foundation, Inc., and others.
55       Copying  and  distribution  of this file, with or without modification,
56       are permitted in any medium without royalty provided the copyright  no‐
57       tice and this notice are preserved.
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SEE ALSO

60       The  full  documentation  for gnutls is maintained as a Texinfo manual.
61       If the /usr/share/doc/gnutls/ directory does not contain the HTML  form
62       visit
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64       https://www.gnutls.org/manual/
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66gnutls                               3.8g.n2utls_x509_crq_get_extension_by_oid(3)
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