Hello,
Make log messages related to Kerberos more verbose.
This change should help people supporting bind-dyndb-ldap to figure out what
is happening under covers.
--
Petr^2 Spacek
From a7cae08cacad019852067dd7ecf86cefbe35c70e Mon Sep 17 00:00:00 2001
From: Petr Spacek <pspa...@redhat.com>
Date: Tue, 12 Feb 2013 13:49:32 +0100
Subject: [PATCH] Make log messages related to Kerberos more verbose.
Signed-off-by: Petr Spacek <pspa...@redhat.com>
---
src/krb5_helper.c | 30 +++++++++++++++++++-----------
1 file changed, 19 insertions(+), 11 deletions(-)
diff --git a/src/krb5_helper.c b/src/krb5_helper.c
index ffa6938d08a37d3470dd9184be2d8ab5c604afdf..56d6777acea0aa1e342fb6f0c073991f86760af0 100644
--- a/src/krb5_helper.c
+++ b/src/krb5_helper.c
@@ -60,15 +60,15 @@ check_credentials(krb5_context context,
krberr = krb5_build_principal(context, &mcreds.server,
strlen(realm), realm,
"krbtgt", realm, NULL);
- CHECK_KRB5(context, krberr, "Failed to build tgt principal");
+ CHECK_KRB5(context, krberr, "Failed to build 'krbtgt/REALM' principal");
/* krb5_cc_retrieve_cred filters on both server and client */
mcreds.client = service;
krberr = krb5_cc_retrieve_cred(context, ccache, 0, &mcreds, &creds);
if (krberr) {
const char * errmsg = krb5_get_error_message(context, krberr);
- log_debug(2, "Principal not found in cred cache (%s)",
+ log_debug(2, "Credentials are not present in cache (%s)",
errmsg);
krb5_free_error_message(context, errmsg);
result = ISC_R_FAILURE;
@@ -79,7 +79,7 @@ check_credentials(krb5_context context,
CHECK_KRB5(context, krberr, "Failed to get timeofday");
if (now > (creds.times.endtime + MIN_TIME)) {
- log_debug(2, "Credentials expired");
+ log_debug(2, "Credentials in cache expired");
result = ISC_R_FAILURE;
goto cleanup;
}
@@ -134,31 +134,35 @@ get_krb5_tgt(isc_mem_t *mctx, const char *principal, const char *keyfile)
ret = setenv("KRB5CCNAME", str_buf(ccname), 1);
if (ret == -1) {
- log_error("Failed to set KRB5CCNAME environment variable");
+ log_error("Failed to set KRB5CCNAME environment variable to "
+ "'%s'", str_buf(ccname));
result = ISC_R_FAILURE;
goto cleanup;
}
krberr = krb5_cc_resolve(context, str_buf(ccname), &ccache);
CHECK_KRB5(context, krberr,
- "Failed to resolve ccache name %s", str_buf(ccname));
+ "Failed to resolve credentials cache name '%s'",
+ str_buf(ccname));
/* get krb5_principal from string */
krberr = krb5_parse_name(context, principal, &kprincpw);
CHECK_KRB5(context, krberr,
- "Failed to parse the principal name %s", principal);
+ "Failed to parse the principal name '%s'", principal);
/* check if we already have valid credentials */
result = check_credentials(context, ccache, kprincpw);
if (result == ISC_R_SUCCESS) {
- log_debug(2, "Found valid cached credentials");
+ log_debug(2, "Found valid Kerberos credentials in cache");
goto cleanup;
+ } else {
+ log_debug(2, "Attempting to acquire new Kerberos credentials");
}
/* open keytab */
krberr = krb5_kt_resolve(context, keyfile, &keytab);
CHECK_KRB5(context, krberr,
- "Failed to resolve keytab file %s", keyfile);
+ "Failed to resolve keytab file '%s'", keyfile);
memset(&my_creds, 0, sizeof(my_creds));
memset(&options, 0, sizeof(options));
@@ -170,15 +174,19 @@ get_krb5_tgt(isc_mem_t *mctx, const char *principal, const char *keyfile)
/* get tgt */
krberr = krb5_get_init_creds_keytab(context, &my_creds, kprincpw,
keytab, 0, NULL, &options);
- CHECK_KRB5(context, krberr, "Failed to init credentials");
+ CHECK_KRB5(context, krberr, "Failed to get initial credentials (TGT) "
+ "using principal '%s' and keytab '%s'",
+ principal, keyfile);
my_creds_ptr = &my_creds;
/* store credentials in cache */
krberr = krb5_cc_initialize(context, ccache, kprincpw);
- CHECK_KRB5(context, krberr, "Failed to initialize ccache");
+ CHECK_KRB5(context, krberr, "Failed to initialize credentials cache "
+ "'%s'", str_buf(ccname));
krberr = krb5_cc_store_cred(context, ccache, &my_creds);
- CHECK_KRB5(context, krberr, "Failed to store ccache");
+ CHECK_KRB5(context, krberr, "Failed to store credentials "
+ "in credentials cache '%s'", str_buf(ccname));
result = ISC_R_SUCCESS;
--
1.7.11.7
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