libssh2_knownhost_check man page on Archlinux

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libssh2_knownhost_check(3)	libssh2 manual	    libssh2_knownhost_check(3)

NAME
       libssh2_knownhost_check	-  check  a host+key against the list of known
       hosts

SYNOPSIS
       #include <libssh2.h>

       int libssh2_knownhost_check(LIBSSH2_KNOWNHOSTS *hosts,
				   const char *host,
				   const char *key, size_t keylen,
				   int typemask,
				   struct libssh2_knownhost **knownhost);

DESCRIPTION
       Checks a host and its associated key against the	 collection  of	 known
       hosts, and returns info back about the (partially) matched entry.

       host is a pointer the host name in plain text. The host name can be the
       IP numerical address of the host or the full name.

       key is a pointer to the key for the given host.

       keylen is the total size in bytes of the key  pointed  to  by  the  key
       argument

       typemask	 is  a	bitmask	 that specifies format and info about the data
       passed to this function. Specificly, it details what  format  the  host
       name is, what format the key is and what key type it is.

       The  host  name	is given as one of the following types: LIBSSH2_KNOWN‐
       HOST_TYPE_PLAIN or LIBSSH2_KNOWNHOST_TYPE_CUSTOM.

       The key is encoded using one of the following encodings: LIBSSH2_KNOWN‐
       HOST_KEYENC_RAW or LIBSSH2_KNOWNHOST_KEYENC_BASE64.

       knownhost  if  set  to non-NULL, it must be a pointer to a 'struct lib‐
       ssh2_knownhost' pointer that gets filled in to point to	info  about  a
       known host that matches or partially matches.

RETURN VALUE
       libssh2_knownhost_check(3)  returns  info  about	 how well the provided
       host + key pair matched one of the entries in the list of known hosts.

       LIBSSH2_KNOWNHOST_CHECK_FAILURE - something prevented the check	to  be
       made

       LIBSSH2_KNOWNHOST_CHECK_NOTFOUND - no host match was found

       LIBSSH2_KNOWNHOST_CHECK_MATCH - hosts and keys match.

       LIBSSH2_KNOWNHOST_CHECK_MISMATCH	 - host was found, but the keys didn't
       match!

AVAILABILITY
       Added in libssh2 1.2

EXAMPLE
       See the ssh2_exec.c example as provided in the tarball.

SEE ALSO
       libssh2_knownhost_init(3)   libssh2_knownhost_free(3)	libssh2_known‐
       host_add(3)

libssh2 1.2			  28 May 2009	    libssh2_knownhost_check(3)
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