BIO_PARSE_HOSTSERV - Online Linux Manual PageSection : 3
Updated : 2021-03-26
Source : 1.1.1k
Note : OpenSSL

NAMEBIO_hostserv_priorities, BIO_parse_hostserv ​− utility routines to parse a standard host and service string

SYNOPSIS​ #include <openssl/bio.h> ​ ​ enum BIO_hostserv_priorities { ​ BIO_PARSE_PRIO_HOST, BIO_PARSE_PRIO_SERV ​ }; ​ int BIO_parse_hostserv(const char *hostserv, char **host, char **service, ​ enum BIO_hostserv_priorities hostserv_prio);

DESCRIPTIONBIO_parse_hostserv() will parse the information given in hostserv, create strings with the hostname and service name and give those back via host and service. Those will need to be freed after they are used. hostserv_prio helps determine if hostserv shall be interpreted primarily as a hostname or a service name in ambiguous cases. The syntax the BIO_parse_hostserv() recognises is: ​ host + ':' + service ​ host + ':' + '*' ​ host + ':' ​ ':' + service ​ '*' + ':' + service ​ host ​ service The host part can be a name or an IP address. If it's a IPv6 address, it MUST be enclosed in brackets, such as '[::1]'. The service part can be a service name or its port number. The returned values will depend on the given hostserv string and hostserv_prio, as follows: ​ host + ':' + service => *host = "host", *service = "service" ​ host + ':' + '*' => *host = "host", *service = NULL ​ host + ':' => *host = "host", *service = NULL ​ ':' + service => *host = NULL, *service = "service" ​ '*' + ':' + service => *host = NULL, *service = "service" ​ ​ in case no ':' is present in the string, the result depends on ​ hostserv_prio, as follows: ​ ​ when hostserv_prio == BIO_PARSE_PRIO_HOST ​ host => *host = "host", *service untouched ​ ​ when hostserv_prio == BIO_PARSE_PRIO_SERV ​ service => *host untouched, *service = "service"

RETURN VALUESBIO_parse_hostserv() returns 1 on success or 0 on error.

SEE ALSOBIO_ADDRINFO(3)

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