79 lines
2.2 KiB
Plaintext
79 lines
2.2 KiB
Plaintext
=pod
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=head1 NAME
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BIO_hostserv_priorities,
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BIO_parse_hostserv
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- utility routines to parse a standard host and service string
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=head1 SYNOPSIS
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#include <openssl/bio.h>
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enum BIO_hostserv_priorities {
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BIO_PARSE_PRIO_HOST, BIO_PARSE_PRIO_SERV
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};
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int BIO_parse_hostserv(const char *hostserv, char **host, char **service,
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enum BIO_hostserv_priorities hostserv_prio);
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=head1 DESCRIPTION
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BIO_parse_hostserv() will parse the information given in B<hostserv>,
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create strings with the hostname and service name and give those
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back via B<host> and B<service>. Those will need to be freed after
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they are used. B<hostserv_prio> helps determine if B<hostserv> shall
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be interpreted primarily as a hostname or a service name in ambiguous
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cases.
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The syntax the BIO_parse_hostserv() recognises is:
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host + ':' + service
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host + ':' + '*'
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host + ':'
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':' + service
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'*' + ':' + service
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host
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service
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The host part can be a name or an IP address. If it's a IPv6
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address, it MUST be enclosed in brackets, such as '[::1]'.
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The service part can be a service name or its port number.
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The returned values will depend on the given B<hostserv> string
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and B<hostserv_prio>, as follows:
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host + ':' + service => *host = "host", *service = "service"
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host + ':' + '*' => *host = "host", *service = NULL
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host + ':' => *host = "host", *service = NULL
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':' + service => *host = NULL, *service = "service"
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'*' + ':' + service => *host = NULL, *service = "service"
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in case no ':' is present in the string, the result depends on
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hostserv_prio, as follows:
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when hostserv_prio == BIO_PARSE_PRIO_HOST
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host => *host = "host", *service untouched
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when hostserv_prio == BIO_PARSE_PRIO_SERV
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service => *host untouched, *service = "service"
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=head1 RETURN VALUES
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BIO_parse_hostserv() returns 1 on success or 0 on error.
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=head1 SEE ALSO
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L<BIO_ADDRINFO(3)>
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=head1 COPYRIGHT
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Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the OpenSSL license (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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