c45fec90c7
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@17390 ec53bebd-3082-4978-b11e-865c3cabbd6b
138 lines
3.6 KiB
C
138 lines
3.6 KiB
C
/*
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* Copyright (c) 2006 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "hx_locl.h"
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RCSID("$Id$");
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struct hx509_error_data {
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hx509_error next;
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int code;
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char *msg;
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};
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static void
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free_error_string(hx509_error msg)
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{
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while(msg) {
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hx509_error m2 = msg->next;
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free(msg->msg);
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free(msg);
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msg = m2;
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}
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}
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void
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hx509_clear_error_string(hx509_context context)
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{
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free_error_string(context->error);
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context->error = NULL;
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}
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void
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hx509_set_error_stringv(hx509_context context, int flags, int code,
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const char *fmt, va_list ap)
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{
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hx509_error msg;
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msg = calloc(1, sizeof(*msg));
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if (msg == NULL)
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return;
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if (vasprintf(&msg->msg, fmt, ap) == -1) {
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free(msg);
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return;
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}
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msg->code = code;
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if (flags & HX509_ERROR_APPEND) {
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msg->next = context->error;
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context->error = msg;
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} else {
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free_error_string(context->error);
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context->error = msg;
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}
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}
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void
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hx509_set_error_string(hx509_context context, int flags, int code, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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hx509_set_error_stringv(context, flags, code, fmt, ap);
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va_end(ap);
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}
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char *
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hx509_get_error_string(hx509_context context, int error_code)
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{
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struct rk_strpool *p = NULL;
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hx509_error msg;
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if (context->error == NULL) {
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const char *cstr;
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char *str;
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cstr = com_right(context->et_list, error_code);
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if (cstr)
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return strdup(cstr);
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cstr = strerror(error_code);
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if (cstr)
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return strdup(cstr);
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if (asprintf(&str, "<unknown error: %d>", error_code) == -1)
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return NULL;
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return str;
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}
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for (msg = context->error; msg; msg = msg->next)
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p = rk_strpoolprintf(p, "%s", msg->msg);
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return rk_strpoolcollect(p);
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}
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void
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hx509_err(hx509_context context, int exit_code, int error_code, char *fmt, ...)
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{
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va_list ap;
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char *msg, *str;
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va_start(ap, fmt);
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vasprintf(&str, fmt, ap);
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va_end(ap);
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msg = hx509_get_error_string(context, error_code);
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if (msg == NULL)
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msg = "no error";
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errx(exit_code, "%s: %s", str, msg);
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}
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