#include "krb5_locl.h"
#include <err.h>
static krb5_error_code _warnerr(krb5_context context, int do_errtext,
krb5_error_code code, int level,
void (*logfunc)(const char *fmt, ...) __attribute__((__format__(__printf__, 1, 2))),
const char *fmt, va_list ap)
__attribute__((__format__(__printf__, 6, 0)));
static krb5_error_code
_warnerr(krb5_context context, int do_errtext,
krb5_error_code code, int level,
void (*logfunc)(const char *fmt, ...),
const char *fmt, va_list ap)
{
char xfmt[7] = "";
const char *args[2], **arg;
char *msg = NULL;
const char *err_str = NULL;
krb5_error_code ret;
args[0] = args[1] = NULL;
arg = args;
if(fmt){
strlcat(xfmt, "%s", sizeof(xfmt));
if(do_errtext)
strlcat(xfmt, ": ", sizeof(xfmt));
ret = vasprintf(&msg, fmt, ap);
if(ret < 0 || msg == NULL)
return ENOMEM;
*arg++ = msg;
}
if(context && do_errtext){
strlcat(xfmt, "%s", sizeof(xfmt));
err_str = krb5_get_error_message(context, code);
if (err_str != NULL) {
*arg = err_str;
} else {
*arg= "<unknown error>";
}
}
if (logfunc)
logfunc(xfmt, args[0], args[1]);
else if(context && context->warn_dest)
krb5_log(context, context->warn_dest, level, xfmt, args[0], args[1]);
else
warnx(xfmt, args[0], args[1]);
free(msg);
krb5_free_error_message(context, err_str);
return 0;
}
#define FUNC(ETEXT, CODE, LEVEL) \
krb5_error_code ret; \
va_list ap; \
va_start(ap, fmt); \
ret = _warnerr(context, ETEXT, CODE, LEVEL, NULL, fmt, ap); \
va_end(ap);
#undef __attribute__
#define __attribute__(X)
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_vwarn(krb5_context context, krb5_error_code code,
const char *fmt, va_list ap)
__attribute__ ((format (printf, 3, 0)))
{
return _warnerr(context, 1, code, 1, NULL, fmt, ap);
}
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_warn(krb5_context context, krb5_error_code code, const char *fmt, ...)
__attribute__ ((format (printf, 3, 4)))
{
FUNC(1, code, 1);
return ret;
}
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_vwarnx(krb5_context context, const char *fmt, va_list ap)
__attribute__ ((format (printf, 2, 0)))
{
return _warnerr(context, 0, 0, 1, NULL, fmt, ap);
}
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_warnx(krb5_context context, const char *fmt, ...)
__attribute__ ((format (printf, 2, 3)))
{
FUNC(0, 0, 1);
return ret;
}
KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_verr(krb5_context context, int eval, krb5_error_code code,
const char *fmt, va_list ap)
__attribute__ ((noreturn, format (printf, 4, 0)))
{
_warnerr(context, 1, code, 0, NULL, fmt, ap);
exit(eval);
}
KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_err(krb5_context context, int eval, krb5_error_code code,
const char *fmt, ...)
__attribute__ ((noreturn, format (printf, 4, 5)))
{
FUNC(1, code, 0);
exit(eval);
}
KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_verrx(krb5_context context, int eval, const char *fmt, va_list ap)
__attribute__ ((noreturn, format (printf, 3, 0)))
{
_warnerr(context, 0, 0, 0, NULL, fmt, ap);
exit(eval);
}
KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_errx(krb5_context context, int eval, const char *fmt, ...)
__attribute__ ((noreturn, format (printf, 3, 4)))
{
FUNC(0, 0, 0);
exit(eval);
}
KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_vabort(krb5_context context, krb5_error_code code,
const char *fmt, va_list ap)
__attribute__ ((noreturn, format (printf, 3, 0)))
{
_warnerr(context, 1, code, 0, NULL, fmt, ap);
abort();
}
KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_abort(krb5_context context, krb5_error_code code, const char *fmt, ...)
__attribute__ ((noreturn, format (printf, 3, 4)))
{
va_list ap;
va_start(ap, fmt);
_warnerr(context, 1, code, 0, heim_abort, fmt, ap);
va_end(ap);
abort();
}
KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_vabortx(krb5_context context, const char *fmt, va_list ap)
__attribute__ ((noreturn, format (printf, 2, 0)))
{
_warnerr(context, 0, 0, 0, heim_abort, fmt, ap);
abort();
}
KRB5_LIB_FUNCTION void KRB5_LIB_CALL
krb5_abortx(krb5_context context, const char *fmt, ...)
__attribute__ ((noreturn, format (printf, 2, 3)))
{
FUNC(0, 0, 0);
abort();
}
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_set_warn_dest(krb5_context context, krb5_log_facility *fac)
{
if (context->warn_dest)
krb5_closelog(context, context->warn_dest);
context->warn_dest = fac;
return 0;
}
KRB5_LIB_FUNCTION krb5_log_facility * KRB5_LIB_CALL
krb5_get_warn_dest(krb5_context context)
{
return context->warn_dest;
}
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_set_debug_dest(krb5_context context, krb5_log_facility *fac)
{
if (context->debug_dest)
krb5_closelog(context, context->debug_dest);
context->debug_dest = fac;
return 0;
}
KRB5_LIB_FUNCTION krb5_log_facility * KRB5_LIB_CALL
krb5_get_debug_dest(krb5_context context)
{
return context->debug_dest;
}