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Diffstat (limited to 'source4/heimdal/lib/hx509/error.c')
-rw-r--r--source4/heimdal/lib/hx509/error.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/source4/heimdal/lib/hx509/error.c b/source4/heimdal/lib/hx509/error.c
new file mode 100644
index 0000000000..770b71981a
--- /dev/null
+++ b/source4/heimdal/lib/hx509/error.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2006 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "hx_locl.h"
+RCSID("$Id: error.c,v 1.4 2006/11/16 15:08:09 lha Exp $");
+
+struct hx509_error_data {
+ hx509_error next;
+ int code;
+ char *msg;
+};
+
+static void
+free_error_string(hx509_error msg)
+{
+ while(msg) {
+ hx509_error m2 = msg->next;
+ free(msg->msg);
+ free(msg);
+ msg = m2;
+ }
+}
+
+void
+hx509_clear_error_string(hx509_context context)
+{
+ free_error_string(context->error);
+ context->error = NULL;
+}
+
+void
+hx509_set_error_stringv(hx509_context context, int flags, int code,
+ const char *fmt, va_list ap)
+{
+ hx509_error msg;
+
+ msg = calloc(1, sizeof(*msg));
+ if (msg == NULL) {
+ hx509_clear_error_string(context);
+ return;
+ }
+
+ if (vasprintf(&msg->msg, fmt, ap) == -1) {
+ hx509_clear_error_string(context);
+ free(msg);
+ return;
+ }
+ msg->code = code;
+
+ if (flags & HX509_ERROR_APPEND) {
+ msg->next = context->error;
+ context->error = msg;
+ } else {
+ free_error_string(context->error);
+ context->error = msg;
+ }
+}
+
+void
+hx509_set_error_string(hx509_context context, int flags, int code, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ hx509_set_error_stringv(context, flags, code, fmt, ap);
+ va_end(ap);
+}
+
+char *
+hx509_get_error_string(hx509_context context, int error_code)
+{
+ struct rk_strpool *p = NULL;
+ hx509_error msg;
+
+ if (context->error == NULL) {
+ const char *cstr;
+ char *str;
+
+ cstr = com_right(context->et_list, error_code);
+ if (cstr)
+ return strdup(cstr);
+ cstr = strerror(error_code);
+ if (cstr)
+ return strdup(cstr);
+ if (asprintf(&str, "<unknown error: %d>", error_code) == -1)
+ return NULL;
+ return str;
+ }
+
+ for (msg = context->error; msg; msg = msg->next)
+ p = rk_strpoolprintf(p, "%s%s", msg->msg,
+ msg->next != NULL ? "; " : "");
+
+ return rk_strpoolcollect(p);
+}
+
+void
+hx509_err(hx509_context context, int exit_code, int error_code, char *fmt, ...)
+{
+ va_list ap;
+ char *msg, *str;
+
+ va_start(ap, fmt);
+ vasprintf(&str, fmt, ap);
+ va_end(ap);
+ msg = hx509_get_error_string(context, error_code);
+ if (msg == NULL)
+ msg = "no error";
+
+ errx(exit_code, "%s: %s", str, msg);
+}