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.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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2016-08-11 02:21:33 -04:00
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.\" * Copyright (C) 2008 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at https://curl.haxx.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.\"
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2016-10-24 04:24:27 -04:00
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.TH mk-ca-bundle 1 "24 Oct 2016" "version 1.27" "mk-ca-bundle manual"
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.SH NAME
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mk-ca-bundle \- convert mozilla's certdata.txt to PEM format
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.SH SYNOPSIS
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mk-ca-bundle [options]
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.I [outputfile]
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.SH DESCRIPTION
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The mk-ca-bundle tool downloads the certdata.txt file from Mozilla's source
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tree over HTTPS, then parses certdata.txt and extracts certificates into PEM
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format. By default, only CA root certificates trusted to issue SSL server
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authentication certificates are extracted. These are then processed with the
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OpenSSL commandline tool to produce the final ca-bundle file.
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The default \fIoutputfile\fP name is \fBca-bundle.crt\fP. By setting it to '-'
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(a single dash) you will get the output sent to STDOUT instead of a file.
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The PEM format this scripts uses for output makes the result readily available
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for use by just about all OpenSSL or GnuTLS powered applications, such as
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curl, wget and more.
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.SH OPTIONS
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The following options are supported:
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.IP -b
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backup an existing version of \fIoutputfilename\fP
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.IP "-d [name]"
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specify which Mozilla tree to pull certdata.txt from (or a custom URL). Valid
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names are: aurora, beta, central, mozilla, nss, release (default). They are
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shortcuts for which source tree to get the cert data from.
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.IP -f
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force rebuild even if certdata.txt is current (Added in version 1.17)
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.IP -i
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print version info about used modules
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.IP -k
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Allow insecure data transfer. By default (since 1.27) this command will fail
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if the HTTPS transfer fails. This overrides that decision (and opens for
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man-in-the-middle attacks).
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.IP -l
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print license info about certdata.txt
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.IP -m
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(Added in 1.26) Include meta data comments in the output. The meta data is
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specific information about each certificate that is stored in the original
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file as comments and using this option will make those comments get passed on
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to the output file. The meta data is not parsed in any way by mk-ca-bundle.
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.IP -n
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no download of certdata.txt (to use existing)
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.IP "-p [purposes]:[levels]"
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list of Mozilla trust purposes and levels for certificates to include in output.
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Takes the form of a comma separated list of purposes, a colon, and a comma
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separated list of levels. The default is to include all certificates trusted
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to issue SSL Server certificates (SERVER_AUTH:TRUSTED_DELEGATOR).
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(Added in version 1.21, Perl only)
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Valid purposes are:
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.RS
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ALL, DIGITAL_SIGNATURE, NON_REPUDIATION, KEY_ENCIPHERMENT,
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DATA_ENCIPHERMENT, KEY_AGREEMENT, KEY_CERT_SIGN, CRL_SIGN,
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SERVER_AUTH (default), CLIENT_AUTH, CODE_SIGNING, EMAIL_PROTECTION,
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IPSEC_END_SYSTEM, IPSEC_TUNNEL, IPSEC_USER, TIME_STAMPING, STEP_UP_APPROVED
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.RE
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.IP
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Valid trust levels are:
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.RS
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ALL, TRUSTED_DELEGATOR (default), NOT_TRUSTED, MUST_VERIFY_TRUST, TRUSTED
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.RE
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.IP -q
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be really quiet (no progress output at all)
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.IP -t
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include plain text listing of certificates
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.IP "-s [algorithms]"
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comma separated list of signature algorithms with which to hash/fingerprint
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each certificate and output when run in plain text mode.
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(Added in version 1.21, Perl only)
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Valid algorithms are:
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.RS
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ALL, NONE, MD5 (default), SHA1, SHA256, SHA384, SHA512
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.RE
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.IP -u
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unlink (remove) certdata.txt after processing
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.IP -v
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be verbose and print out processed CAs
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.SH EXIT STATUS
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Returns 0 on success. Returns 1 if it fails to download data.
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.SH CERTDATA FORMAT
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The file format used by Mozilla for this trust information seems to be documented here:
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.nf
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https://p11-glue.freedesktop.org/doc/storing-trust-policy/storing-trust-existing.html
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.fi
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.SH SEE ALSO
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.BR curl (1)
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.SH HISTORY
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\fBmk-ca-bundle\fP is a command line tool that is shipped as part of every
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curl and libcurl release (see https://curl.haxx.se/). It was originally based
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on the parse-certs script written by Roland Krikava and was later much
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improved by Guenter Knauf. This manual page was initially written by Jan
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Schaumann \&<jschauma@netmeister.org>.
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