---
name: "gnutls_x509_ext_import_proxy"
section: "3"
platform: "linux"
package: "gnutls"
version: "3.8.13-3"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/gnutls_x509_ext_import_proxy"
---

# gnutls\_x509\_ext\_import\_proxy(3)

API function

## NAME

gnutls\_x509\_ext\_import\_proxy - API function

## SYNOPSIS

**#include \<gnutls/x509-ext.h\>**

**int gnutls\_x509\_ext\_import\_proxy(const gnutls\_datum\_t \*** *ext***, int \*** *pathlen***, char \*\*** *policyLanguage***, char \*\*** *policy***, size\_t \*** *sizeof\_policy***);**

## ARGUMENTS

- const gnutls\_datum\_t \* ext

  the DER encoded extension data

- int \* pathlen

  pointer to output integer indicating path length (may be NULL), non-negative error codes indicate a present pCPathLenConstraint field and the actual value, -1 indicate that the field is absent.

- char \*\* policyLanguage

  output variable with OID of policy language

- char \*\* policy

  output variable with policy data

- size\_t \* sizeof\_policy

  output variable with size of policy data

## DESCRIPTION

This function will return the information from a proxy certificate extension. It reads the ProxyCertInfo X.509 extension (1.3.6.1.5.5.7.1.14). The  *policyLanguage* and  *policy* values must be deinitialized using **gnutls\_free()** after use.

## RETURNS

On success, **GNUTLS\_E\_SUCCESS** (0) is returned, otherwise a negative error value.

## SINCE

3\.3.0

## REPORTING BUGS

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

## COPYRIGHT

Copyright © 2001-2023 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/share/doc/gnutls/ directory does not contain the HTML form visit

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