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/*
* Copyright (C) 1999, 2000 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include <config.h>
#include <isc/result.h>
#include <named/globals.h>
#include <named/log.h>
#include <named/logconf.h>
#define CHECK(op) \
do { result = (op); \
if (result != ISC_R_SUCCESS) goto cleanup; \
} while (0)
/*
* Set up a logging category according to the named.conf data
* in 'ccat' and add it to 'lctx'.
*/
static isc_result_t
category_fromconf(dns_c_logcat_t *ccat, isc_logconfig_t *lctx)
{
isc_result_t result;
unsigned int i;
isc_logcategory_t *category;
isc_logmodule_t *module;
category = isc_log_categorybyname(ns_g_lctx, ccat->catname);
#ifdef notyet
module = isc_log_modulebyname(ns_g_lctx, ccat->modname);
#else
module = NULL;
#endif
for (i = 0; i < ccat->nextcname; i++) {
char *channelname = ccat->channel_names[i];
result = isc_log_usechannel(lctx, channelname, category,
module);
if (result != ISC_R_SUCCESS) {
isc_log_write(ns_g_lctx, DNS_LOGCATEGORY_CONFIG,
NS_LOGMODULE_SERVER, ISC_LOG_ERROR,
"logging channel '%s': %s", channelname,
isc_result_totext(result));
return (result);
}
}
return (ISC_R_SUCCESS);
}
/*
* Set up a logging channel according to the named.conf data
* in 'cchan' and add it to 'lctx'.
*/
static isc_result_t
channel_fromconf(dns_c_logchan_t *cchan, isc_logconfig_t *lctx)
{
isc_result_t result;
isc_logdestination_t dest;
unsigned int type;
int flags = 0;
int level;
type = ISC_LOG_TONULL;
switch (cchan->ctype) {
case dns_c_logchan_file:
type = ISC_LOG_TOFILE;
{
const char *path = NULL;
isc_uint32_t versions = ISC_LOG_ROLLNEVER;
isc_uint32_t size = 0;
(void) dns_c_logchan_getpath(cchan, &path);
if (path == NULL) {
isc_log_write(ns_g_lctx,
DNS_LOGCATEGORY_CONFIG,
NS_LOGMODULE_SERVER,
ISC_LOG_ERROR,
"file log channel has "
"no file name");
return (ISC_R_UNEXPECTED);
}
(void) dns_c_logchan_getversions(cchan, &versions);
(void) dns_c_logchan_getsize(cchan, &size);
dest.file.stream = NULL;
dest.file.name = cchan->u.filec.path;
dest.file.versions = (int)versions;
dest.file.maximum_size = size;
}
break;
case dns_c_logchan_syslog:
type = ISC_LOG_TOSYSLOG;
{
int facility = LOG_DAEMON;
(void) dns_c_logchan_getfacility(cchan, &facility);
dest.facility = facility;
}
break;
case dns_c_logchan_null:
break;
}
/*
* Munge flags.
*/
{
isc_boolean_t printcat = ISC_FALSE;
isc_boolean_t printsev = ISC_FALSE;
isc_boolean_t printtime = ISC_FALSE;
(void) dns_c_logchan_getprintcat(cchan, &printcat);
(void) dns_c_logchan_getprintsev(cchan, &printsev);
(void) dns_c_logchan_getprinttime(cchan, &printtime);
if (printcat)
flags |= ISC_LOG_PRINTCATEGORY;
if (printtime)
flags |= ISC_LOG_PRINTTIME;
if (printsev)
flags |= ISC_LOG_PRINTLEVEL;
/* XXX ISC_LOG_PRINTMODULE */
}
level = ISC_LOG_INFO;
(void) dns_c_logchan_getdebuglevel(cchan, &level);
result = isc_log_createchannel(lctx, cchan->name,
type, level, &dest, flags);
return (result);
}
isc_result_t
ns_log_configure(isc_logconfig_t *lcctx, dns_c_logginglist_t *clog)
{
isc_result_t result;
dns_c_logchan_t *cchan;
dns_c_logcat_t *ccat;
isc_boolean_t default_set = ISC_FALSE;
for (cchan = ISC_LIST_HEAD(clog->channels);
cchan != NULL;
cchan = ISC_LIST_NEXT(cchan, next)) {
CHECK(channel_fromconf(cchan, lcctx));
}
for (ccat = ISC_LIST_HEAD(clog->categories);
ccat != NULL;
ccat = ISC_LIST_NEXT(ccat, next)) {
CHECK(category_fromconf(ccat, lcctx));
if (! default_set)
default_set =
ISC_TF(strcmp(ccat->catname, "default") == 0);
}
if (! default_set)
CHECK(ns_log_setdefaults(lcctx));
return (ISC_R_SUCCESS);
cleanup:
if (lcctx != NULL)
isc_logconfig_destroy(&lcctx);
return (result);
}
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