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(krb5_expand_hostname_realms): new variant of krb5_expand_hostname

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that tries until it expands into something that's digestable by
krb5_get_host_realm, returning also the result from that function.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@7779 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
2000-01-09 09:18:32 +00:00
parent 20b5365d4d
commit 62bfc36ee5
1 changed files with 37 additions and 0 deletions
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37
lib/krb5/expand_hostname.c
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@@ -78,3 +78,40 @@ krb5_expand_hostname (krb5_context context,
freeaddrinfo (ai);
return copy_hostname (context, orig_hostname, new_hostname);
}
/*
* expand `hostname' to a name we believe to be a hostname in newly
* allocated space in `host' and return realms in `realms'.
*/
krb5_error_code
krb5_expand_hostname_realms (krb5_context context,
const char *orig_hostname,
char **new_hostname,
char ***realms)
{
struct addrinfo *ai, *a, hints;
int error;
memset (&hints, 0, sizeof(hints));
hints.ai_flags = AI_CANONNAME;
error = getaddrinfo (orig_hostname, NULL, &hints, &ai);
if (error)
return copy_hostname (context, orig_hostname, new_hostname);
for (a = ai; a != NULL; a = a->ai_next) {
if (a->ai_canonname != NULL) {
krb5_error_code ret = krb5_get_host_realm (context,
a->ai_canonname,
realms);
if (ret == 0) {
ret = copy_hostname (context, a->ai_canonname, new_hostname);
freeaddrinfo (ai);
return ret;
}
}
}
freeaddrinfo (ai);
return copy_hostname (context, orig_hostname, new_hostname);
}