diff options
Diffstat (limited to 'source4/heimdal/lib/krb5/warn.c')
| -rw-r--r-- | source4/heimdal/lib/krb5/warn.c | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/source4/heimdal/lib/krb5/warn.c b/source4/heimdal/lib/krb5/warn.c new file mode 100644 index 0000000000..c7fe5640b5 --- /dev/null +++ b/source4/heimdal/lib/krb5/warn.c @@ -0,0 +1,211 @@ +/* + * Copyright (c) 1997 - 2001 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 "krb5_locl.h" +#include <err.h> + +RCSID("$Id$"); + +static krb5_error_code _warnerr(krb5_context context, int do_errtext, + krb5_error_code code, int level, const char *fmt, va_list ap) + __attribute__((__format__(__printf__, 5, 0))); + +static krb5_error_code +_warnerr(krb5_context context, int do_errtext, + krb5_error_code code, int level, const char *fmt, va_list ap) +{ + char xfmt[7] = ""; + const char *args[2], **arg; + char *msg = NULL; + const char *err_str = NULL; + + args[0] = args[1] = NULL; + arg = args; + if(fmt){ + strlcat(xfmt, "%s", sizeof(xfmt)); + if(do_errtext) + strlcat(xfmt, ": ", sizeof(xfmt)); + vasprintf(&msg, fmt, ap); + if(msg == NULL) + return ENOMEM; + *arg++ = msg; + } + if(context && do_errtext){ + const char *err_msg; + + strlcat(xfmt, "%s", sizeof(xfmt)); + + err_str = krb5_get_error_message(context, code); + if (err_str != NULL) { + *arg++ = err_str; + } else { + err_msg = krb5_get_err_text(context, code); + if (err_msg) + *arg++ = err_msg; + else + *arg++ = "<unknown error>"; + } + } + + 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, fmt, ap); \ + va_end(ap); + +#undef __attribute__ +#define __attribute__(X) + +krb5_error_code KRB5_LIB_FUNCTION +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, fmt, ap); +} + + +krb5_error_code KRB5_LIB_FUNCTION +krb5_warn(krb5_context context, krb5_error_code code, const char *fmt, ...) + __attribute__ ((format (printf, 3, 4))) +{ + FUNC(1, code, 1); + return ret; +} + +krb5_error_code KRB5_LIB_FUNCTION +krb5_vwarnx(krb5_context context, const char *fmt, va_list ap) + __attribute__ ((format (printf, 2, 0))) +{ + return _warnerr(context, 0, 0, 1, fmt, ap); +} + +krb5_error_code KRB5_LIB_FUNCTION +krb5_warnx(krb5_context context, const char *fmt, ...) + __attribute__ ((format (printf, 2, 3))) +{ + FUNC(0, 0, 1); + return ret; +} + +krb5_error_code KRB5_LIB_FUNCTION +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, fmt, ap); + exit(eval); +} + + +krb5_error_code KRB5_LIB_FUNCTION +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_error_code KRB5_LIB_FUNCTION +krb5_verrx(krb5_context context, int eval, const char *fmt, va_list ap) + __attribute__ ((noreturn, format (printf, 3, 0))) +{ + _warnerr(context, 0, 0, 0, fmt, ap); + exit(eval); +} + +krb5_error_code KRB5_LIB_FUNCTION +krb5_errx(krb5_context context, int eval, const char *fmt, ...) + __attribute__ ((noreturn, format (printf, 3, 4))) +{ + FUNC(0, 0, 0); + exit(eval); +} + +krb5_error_code KRB5_LIB_FUNCTION +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, fmt, ap); + abort(); +} + + +krb5_error_code KRB5_LIB_FUNCTION +krb5_abort(krb5_context context, krb5_error_code code, const char *fmt, ...) + __attribute__ ((noreturn, format (printf, 3, 4))) +{ + FUNC(1, code, 0); + abort(); +} + +krb5_error_code KRB5_LIB_FUNCTION +krb5_vabortx(krb5_context context, const char *fmt, va_list ap) + __attribute__ ((noreturn, format (printf, 2, 0))) +{ + _warnerr(context, 0, 0, 0, fmt, ap); + abort(); +} + +krb5_error_code KRB5_LIB_FUNCTION +krb5_abortx(krb5_context context, const char *fmt, ...) + __attribute__ ((noreturn, format (printf, 2, 3))) +{ + FUNC(0, 0, 0); + abort(); +} + +krb5_error_code KRB5_LIB_FUNCTION +krb5_set_warn_dest(krb5_context context, krb5_log_facility *fac) +{ + context->warn_dest = fac; + return 0; +} + +krb5_log_facility * KRB5_LIB_FUNCTION +krb5_get_warn_dest(krb5_context context) +{ + return context->warn_dest; +} |