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git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@547 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/lib/krb5/krb/get_creds.c b/src/lib/krb5/krb/get_creds.c
new file mode 100644 (file)
index 0000000..ddbfbf2
--- /dev/null
+++ b/src/lib/krb5/krb/get_creds.c
@@ -0,0 +1,76 @@
+/*
+ * $Source$
+ * $Author$
+ *
+ * Copyright 1990 by the Massachusetts Institute of Technology.
+ *
+ * For copying and distribution information, please see the file
+ * <krb5/copyright.h>.
+ *
+ * krb5_get_credentials()
+ */
+
+#if !defined(lint) && !defined(SABER)
+static char rcsid_get_creds_c[] =
+"$Id$";
+#endif /* !lint & !SABER */
+
+#include <krb5/copyright.h>
+
+/*
+ Attempts to use the credentials cache or TGS exchange to get an additional
+ ticket for the
+ client identified by creds->client, the server identified by
+ creds->server, with options options, expiration date specified in
+ creds->times.endtime (0 means as long as possible), session key type
+ specified in creds->keyblock.keytype (if non-zero)
+
+ Any returned ticket and intermediate ticket-granting tickets are
+ stored in ccache.
+
+ returns errors from encryption routines, system errors
+ */
+
+#include <krb5/krb5.h>
+#include <krb5/krb5_err.h>
+#include <krb5/ext-proto.h>
+
+krb5_error_code
+krb5_get_credentials(options, ccache, creds)
+const krb5_flags options;
+krb5_ccache ccache;
+krb5_creds *creds;
+{
+    krb5_error_code retval, rv2;
+    krb5_creds **tgts;
+    krb5_creds mcreds;
+    krb5_flags fields;
+
+    bzero((char *)&mcreds, sizeof(mcreds));
+    mcreds.server = creds->server;
+    mcreds.client = creds->client;
+    mcreds.times.endtime = creds->times.endtime;
+    mcreds.keyblock = creds->keyblock;
+
+    fields = KRB5_TC_MATCH_TIMES /*XXX |KRB5_TC_MATCH_SKEY_TYPE */ ;
+
+    switch(retval = krb5_cc_retrieve_cred(ccache, fields, &mcreds, creds)) {
+    case KRB5_CC_NOTFOUND:
+       break;
+    default:
+       return retval;
+    }
+    retval = krb5_get_cred_from_kdc(ccache, creds, &tgts);
+    if (tgts) {
+       register int i = 0;
+       while (tgts[i]) {
+           if (rv2 = krb5_cc_store_cred(ccache, tgts[i])) {
+               retval = rv2;
+               break;
+           }
+           i++;
+       }
+       krb5_free_tgt_creds(tgts);
+    }
+    return retval;
+}