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author | markm <markm@FreeBSD.org> | 1997-09-04 06:04:33 +0000 |
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committer | markm <markm@FreeBSD.org> | 1997-09-04 06:04:33 +0000 |
commit | a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8 (patch) | |
tree | 0b84977f19022a965f8c6145f067f951173f6290 /crypto/kerberosIV/lib/krb/logging.c | |
download | FreeBSD-src-a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8.zip FreeBSD-src-a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8.tar.gz |
Initial import of KTH eBones. This has been cleaned up to only include
the "core" Kerberos functionality. The rest of the userland will get their
own changes later.
Diffstat (limited to 'crypto/kerberosIV/lib/krb/logging.c')
-rw-r--r-- | crypto/kerberosIV/lib/krb/logging.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/krb/logging.c b/crypto/kerberosIV/lib/krb/logging.c new file mode 100644 index 0000000..15e5bde --- /dev/null +++ b/crypto/kerberosIV/lib/krb/logging.c @@ -0,0 +1,240 @@ +/* + * Copyright (c) 1995, 1996, 1997 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the Kungliga Tekniska + * Högskolan and its contributors. + * + * 4. 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 "krb_locl.h" +#include <klog.h> + +RCSID("$Id: logging.c,v 1.14 1997/05/11 09:01:40 assar Exp $"); + +struct krb_log_facility { + char filename[MaxPathLen]; + FILE *file; + krb_log_func_t func; +}; + +int +krb_vlogger(struct krb_log_facility *f, const char *format, va_list args) +{ + FILE *file = NULL; + int ret; + + if (f->file != NULL) + file = f->file; + else if (f->filename && f->filename[0]) + file = fopen(f->filename, "a"); + + ret = f->func(file, format, args); + + if (file != f->file) + fclose(file); + return ret; +} + +int +krb_logger(struct krb_log_facility *f, const char *format, ...) +{ + va_list args; + int ret; + va_start(args, format); + ret = krb_vlogger(f, format, args); + va_end(args); + return ret; +} + +/* + * If FILE * is given log to it, otherwise, log to filename. When + * given a file name the file is opened and closed for each log + * record. + */ +int +krb_openlog(struct krb_log_facility *f, + char *filename, + FILE *file, + krb_log_func_t func) +{ + strcpy(f->filename, filename); + f->file = file; + f->func = func; + return KSUCCESS; +} + +/* ------------------------------------------------------------ + Compatibility functions from warning.c + ------------------------------------------------------------ */ + +static int +log_tty(FILE *f, const char *format, va_list args) +{ + if (f != NULL && isatty(fileno(f))) + vfprintf(f, format, args); + return KSUCCESS; +} + +/* stderr */ +static struct krb_log_facility std_log = { "/dev/tty", NULL, log_tty }; + +static void +init_std_log () +{ + static int done = 0; + + if (!done) { + std_log.file = stderr; + done = 1; + } +} + +/* + * + */ +void +krb_set_warnfn (krb_warnfn_t newfunc) +{ + init_std_log (); + std_log.func = newfunc; +} + +/* + * + */ +krb_warnfn_t +krb_get_warnfn (void) +{ + init_std_log (); + return std_log.func; +} + +/* + * Log warnings to stderr if it's a tty. + */ +void +krb_warning (const char *format, ...) +{ + va_list args; + + init_std_log (); + va_start(args, format); + krb_vlogger(&std_log, format, args); + va_end(args); +} + +/* ------------------------------------------------------------ + Compatibility functions from klog.c and log.c + ------------------------------------------------------------ */ + +/* + * Used by kerberos and kadmind daemons and in libkrb (rd_req.c). + * + * By default they log to the kerberos server log-file (KRBLOG) to be + * backwards compatible. + */ + +static int +log_with_timestamp_and_nl(FILE *file, const char *format, va_list args) +{ + time_t now; + if(file == NULL) + return KFAILURE; + time(&now); + fputs(krb_stime(&now), file); + fputs(": ", file); + vfprintf(file, format, args); + fputs("\n", file); + fflush(file); + return KSUCCESS; +} + +static struct krb_log_facility +file_log = { KRBLOG, NULL, log_with_timestamp_and_nl }; + +/* + * kset_logfile() changes the name of the file to which + * messages are logged. If kset_logfile() is not called, + * the logfile defaults to KRBLOG, defined in "krb.h". + */ + +void +kset_logfile(char *filename) +{ + krb_openlog(&file_log, filename, NULL, log_with_timestamp_and_nl); +} + +/* + * krb_log() and klog() is used to add entries to the logfile. + * + * The log entry consists of a timestamp and the given arguments + * printed according to the given "format" string. + * + * The log file is opened and closed for each log entry. + * + * If the given log type "type" is unknown, or if the log file + * cannot be opened, no entry is made to the log file. + * + * CHANGE: the type is always ignored + * + * The return value of klog() is always a pointer to the formatted log + * text string "logtxt". + */ + +/* Used in kerberos.c only. */ +char * +klog(int type, const char *format, ...) +{ + static char logtxt[1024]; + + va_list ap; + + va_start(ap, format); + vsnprintf(logtxt, sizeof(logtxt), format, ap); + va_end(ap); + + krb_logger(&file_log, "%s", logtxt); + + return logtxt; +} + +/* Used in kadmind and rd_req.c */ +void +krb_log(const char *format, ...) +{ + va_list args; + + va_start(args, format); + krb_vlogger(&file_log, format, args); + va_end(args); +} |