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/*
* Tiny RADIUS Client Library
* Copyright (C) 2021 David M. Syzdek <david@syzdek.net>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of David M. Syzdek 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 COPYRIGHT HOLDERS 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 DAVID M. SYZDEK 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.
*/
#define _LIB_LIBTINYRAD_LERROR_C 1
#include "lerror.h"
///////////////
// //
// Headers //
// //
///////////////
#pragma mark - Headers
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <stdarg.h>
#include <assert.h>
#include "lmemory.h"
#include "lstrings.h"
//////////////////
// //
// Prototypes //
// //
//////////////////
#pragma mark - Prototypes
const char *
tinyrad_error_map(
int errnum );
/////////////////
// //
// Functions //
// //
/////////////////
#pragma mark - Functions
const char *
tinyrad_error_map(
int errnum )
{
TinyRadDebugTrace();
switch(errnum)
{
case TRAD_SUCCESS: return("success");
case TRAD_ENOMEM: return("out of virtual memory");
case TRAD_EACCES: return("permission denied");
case TRAD_ENOBUFS: return("no buffer space available");
case TRAD_ENOENT: return("no such file or directory");
case TRAD_ESYNTAX: return("invalid or unrecognized syntax");
case TRAD_EEXISTS: return("dictionary object exists");
case TRAD_EURL: return("invalid RADIUS URL");
case TRAD_ERESOLVE: return("unable to resolve host");
case TRAD_EOPTERR: return("option error");
case TRAD_ECONNECT: return("connection error");
case TRAD_ESCHEME: return("invalid or mismatched URL scheme");
case TRAD_EINVAL: return("invalid argument");
case TRAD_EASSUMPTION: return("invalid developer assumption");
case TRAD_EATTRIBUTE: return("invalid or unknown attribute");
case TRAD_EATTRVAL: return("invalid or unknown attribute value");
case TRAD_EDICTRO: return("dictionary is read-only");
default:
break;
};
return("unknown error code");
}
int
tinyrad_error_msgs(
int errnum,
char *** msgsp,
const char * fmt,
... )
{
const char * errmsg;
char msg[256];
va_list args;
TinyRadDebugTrace();
if (!(msgsp))
return(errnum);
msg[0] = '\0';
if ((fmt))
{
va_start(args, fmt);
vsnprintf(msg, sizeof(msg), fmt, args);
va_end(args);
msg[sizeof(msg)-1] = '\0';
};
errmsg = tinyrad_strerror(errnum);
strncat(msg, errmsg, sizeof(msg)-strlen(msg)-1);
tinyrad_strsadd(msgsp, msg);
return(errnum);
}
/// Return error string of error code
///
/// @param[in] errnum error number
/// @return returns error string
const char *
tinyrad_strerror(
int errnum )
{
const char * msg;
TinyRadDebugTrace();
if ((msg = tinyrad_error_map(errnum)) == NULL)
msg = "unknown error code";
return(msg);
}
/// Copy error string into buffer
///
/// @param[in] errnum error number
/// @param[out] strerrbuf string buffer
/// @param[in] buflen size of string buffer
/// @return returns error code
int
tinyrad_strerror_r(
int errnum,
char * strerrbuf,
size_t buflen )
{
const char * msg;
TinyRadDebugTrace();
assert(strerrbuf != NULL);
assert(buflen != 0);
if ((msg = tinyrad_error_map(errnum)) == NULL)
{
snprintf(strerrbuf, buflen, "unknown error code %i", errnum);
return(TRAD_SUCCESS);
};
tinyrad_strlcpy(strerrbuf, msg, buflen);
strerrbuf[buflen-1] = '\0';
return(TRAD_SUCCESS);
}
/* end of source */
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