diff options
Diffstat (limited to 'crypto/heimdal/lib/krb5/expand_hostname.c')
| -rw-r--r-- | crypto/heimdal/lib/krb5/expand_hostname.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/crypto/heimdal/lib/krb5/expand_hostname.c b/crypto/heimdal/lib/krb5/expand_hostname.c index 698b300..48e9709 100644 --- a/crypto/heimdal/lib/krb5/expand_hostname.c +++ b/crypto/heimdal/lib/krb5/expand_hostname.c @@ -33,7 +33,7 @@ #include "krb5_locl.h" -RCSID("$Id: expand_hostname.c,v 1.5 2000/01/08 08:07:18 assar Exp $"); +RCSID("$Id: expand_hostname.c,v 1.7 2000/02/02 04:42:57 assar Exp $"); static krb5_error_code copy_hostname(krb5_context context, @@ -43,6 +43,7 @@ copy_hostname(krb5_context context, *new_hostname = strdup (orig_hostname); if (*new_hostname == NULL) return ENOMEM; + strlwr (*new_hostname); return 0; } @@ -78,3 +79,42 @@ 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; + krb5_error_code ret = 0; + + 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) { + ret = copy_hostname (context, orig_hostname, new_hostname); + if (ret) + goto out; + strlwr (*new_hostname); + ret = krb5_get_host_realm (context, *new_hostname, realms); + if (ret == 0) + goto out; + free (*new_hostname); + } + } + ret = copy_hostname (context, orig_hostname, new_hostname); + out: + freeaddrinfo (ai); + return ret; +} |
