07a41e8580
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2149 ec53bebd-3082-4978-b11e-865c3cabbd6b
81 lines
1.5 KiB
C
81 lines
1.5 KiB
C
#include "krb5_locl.h"
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#include "config_file.h"
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RCSID("$Id$");
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static int
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exact_match (const char *s, const char *pattern)
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{
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return strcasecmp (s, pattern) == 0;
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}
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static int
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domain_match (const char *s, const char *pattern)
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{
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const char *dot = strchr (s, '.');
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return dot && strcasecmp (dot, pattern) == 0;
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}
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krb5_error_code
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krb5_get_host_realm(krb5_context context,
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const char *host,
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char ***realms)
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{
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char hostname[MAXHOSTNAMELEN];
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char *res = NULL;
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const char *partial = NULL;
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const krb5_config_binding *l;
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if (host == NULL) {
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if (gethostname (hostname, sizeof(hostname)))
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return errno;
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host = hostname;
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}
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*realms = malloc(2 * sizeof(char*));
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if (*realms == NULL)
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return ENOMEM;
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(*realms)[0] = NULL;
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(*realms)[1] = NULL;
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for(l = krb5_config_get_list (context->cf,
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"domain_realm",
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NULL);
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l;
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l = l->next) {
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if (l->type != STRING)
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continue;
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if (exact_match (host, l->name)) {
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res = l->u.string;
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break;
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} else if (domain_match (host, l->name)) {
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res = l->u.string;
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}
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}
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if (res) {
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(*realms)[0] = strdup(res);
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if ((*realms)[0] == NULL) {
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free (*realms);
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return ENOMEM;
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}
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} else {
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const char *dot = strchr (host, '.');
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if (dot != NULL) {
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(*realms)[0] = strdup (dot + 1);
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if ((*realms)[0] == NULL) {
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free (*realms);
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return ENOMEM;
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}
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strupr ((*realms)[0]);
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} else {
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free (*realms);
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*realms = NULL;
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}
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}
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return 0;
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}
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