diff options
Diffstat (limited to 'src/windows/identity/plugins/common/krb5common.c')
| -rw-r--r-- | src/windows/identity/plugins/common/krb5common.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/windows/identity/plugins/common/krb5common.c b/src/windows/identity/plugins/common/krb5common.c new file mode 100644 index 0000000000..5501a12068 --- /dev/null +++ b/src/windows/identity/plugins/common/krb5common.c @@ -0,0 +1,156 @@ +/*
+ * Copyright (c) 2004 Massachusetts Institute of Technology
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/* $Id$ */
+
+#include<windows.h>
+#include<kcreddb.h>
+#include<kherror.h>
+#include<dynimport.h>
+
+/**************************************/
+/* khm_krb5_error(): */
+/**************************************/
+int
+khm_krb5_error(krb5_error_code rc, LPCSTR FailedFunctionName,
+ int FreeContextFlag, krb5_context * ctx,
+ krb5_ccache * cache)
+{
+#ifdef NO_KRB5
+ return 0;
+#else
+
+#ifdef SHOW_MESSAGE_IN_AN_ANNOYING_WAY
+ char message[256];
+ const char *errText;
+ int krb5Error = ((int)(rc & 255));
+
+ errText = perror_message(rc);
+ _snprintf(message, sizeof(message),
+ "%s\n(Kerberos error %ld)\n\n%s failed",
+ errText,
+ krb5Error,
+ FailedFunctionName);
+
+ MessageBoxA(NULL, message, "Kerberos Five", MB_OK | MB_ICONERROR |
+ MB_TASKMODAL |
+ MB_SETFOREGROUND);
+#endif
+
+ if (FreeContextFlag == 1)
+ {
+ if (*ctx != NULL)
+ {
+ if (*cache != NULL) {
+ pkrb5_cc_close(*ctx, *cache);
+ *cache = NULL;
+ }
+
+ pkrb5_free_context(*ctx);
+ *ctx = NULL;
+ }
+ }
+
+ return rc;
+
+#endif //!NO_KRB5
+}
+
+int
+khm_krb5_initialize(khm_handle ident,
+ krb5_context *ctx,
+ krb5_ccache *cache)
+{
+#ifdef NO_KRB5
+ return(0);
+#else
+
+ LPCSTR functionName;
+ int freeContextFlag;
+ krb5_error_code rc;
+ krb5_flags flags = 0;
+
+ if (pkrb5_init_context == NULL)
+ return 1;
+
+ if (*ctx == 0 && (rc = (*pkrb5_init_context)(ctx)))
+ {
+ functionName = "krb5_init_context()";
+ freeContextFlag = 0;
+ goto on_error;
+ }
+
+ if(*cache == 0) {
+ wchar_t wccname[256];
+ khm_size cbwccname;
+
+ if(ident != NULL) {
+ cbwccname = sizeof(wccname);
+ do {
+ char ccname[256];
+
+ if(KHM_FAILED(kcdb_identity_get_attrib(ident, L"Krb5CCName", NULL, wccname, &cbwccname)))
+ break;
+
+ if(UnicodeStrToAnsi(ccname, sizeof(ccname), wccname) == 0)
+ break;
+
+ if((*pkrb5_cc_resolve)(*ctx, ccname, cache)) {
+ functionName = "krb5_cc_resolve()";
+ freeContextFlag = 1;
+ goto on_error;
+ }
+ } while(FALSE);
+ }
+
+ if (*cache == 0 && (rc = (*pkrb5_cc_default)(*ctx, cache)))
+ {
+ functionName = "krb5_cc_default()";
+ freeContextFlag = 1;
+ goto on_error;
+ }
+ }
+
+#ifdef KRB5_TC_NOTICKET
+ flags = KRB5_TC_NOTICKET;
+#endif
+
+ if ((rc = (*pkrb5_cc_set_flags)(*ctx, *cache, flags)))
+ {
+ if (rc != KRB5_FCC_NOFILE && rc != KRB5_CC_NOTFOUND)
+ khm_krb5_error(rc, "krb5_cc_set_flags()", 0, ctx,
+ cache);
+ else if ((rc == KRB5_FCC_NOFILE || rc == KRB5_CC_NOTFOUND) && *ctx != NULL)
+ {
+ if (*cache != NULL)
+ (*pkrb5_cc_close)(*ctx, *cache);
+ }
+ return rc;
+ }
+ return 0;
+
+on_error:
+ return khm_krb5_error(rc, functionName, freeContextFlag, ctx, cache);
+#endif //!NO_KRB5
+}
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