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authorSumit Bose <sbose@redhat.com>2011-05-27 12:51:19 +0200
committerStephen Gallagher <sgallagh@redhat.com>2011-06-02 14:07:45 -0400
commit7591a7368078c2b4cde744ede431260fd663903a (patch)
tree0ea30a43dc86651eb204f86e86018fa98360109f
parent57fb1011b350ee713e98ee74b9288c70524128d6 (diff)
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Add online callback only once for TGT renewal
-rw-r--r--src/providers/krb5/krb5_renew_tgt.c69
1 files changed, 44 insertions, 25 deletions
diff --git a/src/providers/krb5/krb5_renew_tgt.c b/src/providers/krb5/krb5_renew_tgt.c
index c848afbc..557ec3e1 100644
--- a/src/providers/krb5/krb5_renew_tgt.c
+++ b/src/providers/krb5/krb5_renew_tgt.c
@@ -37,7 +37,6 @@ struct renew_tgt_ctx {
struct krb5_ctx *krb5_ctx;
time_t timer_interval;
struct tevent_timer *te;
- bool added_to_online_callbacks;
};
struct renew_data {
@@ -226,12 +225,19 @@ static errno_t renew_all_tgts(struct renew_tgt_ctx *renew_tgt_ctx)
static void renew_handler(struct renew_tgt_ctx *renew_tgt_ctx);
+static void renew_tgt_offline_callback(void *private_data)
+{
+ struct renew_tgt_ctx *renew_tgt_ctx = talloc_get_type(private_data,
+ struct renew_tgt_ctx);
+
+ talloc_zfree(renew_tgt_ctx->te);
+}
+
static void renew_tgt_online_callback(void *private_data)
{
struct renew_tgt_ctx *renew_tgt_ctx = talloc_get_type(private_data,
struct renew_tgt_ctx);
- renew_tgt_ctx->added_to_online_callbacks = false;
renew_handler(renew_tgt_ctx);
}
@@ -242,6 +248,9 @@ static void renew_tgt_timer_handler(struct tevent_context *ev,
struct renew_tgt_ctx *renew_tgt_ctx = talloc_get_type(data,
struct renew_tgt_ctx);
+ /* forget the timer event, it will be freed by the tevent timer loop */
+ renew_tgt_ctx->te = NULL;
+
renew_handler(renew_tgt_ctx);
}
@@ -251,29 +260,22 @@ static void renew_handler(struct renew_tgt_ctx *renew_tgt_ctx)
int ret;
if (be_is_offline(renew_tgt_ctx->be_ctx)) {
- if (renew_tgt_ctx->added_to_online_callbacks) {
- DEBUG(3, ("Renewal task was already added to online callbacks.\n"));
- return;
- }
- DEBUG(7, ("Offline, adding renewal task to online callbacks.\n"));
- ret = be_add_online_cb(renew_tgt_ctx->krb5_ctx, renew_tgt_ctx->be_ctx,
- renew_tgt_online_callback, renew_tgt_ctx, NULL);
- if (ret == EOK) {
- renew_tgt_ctx->added_to_online_callbacks = true;
- return;
- }
+ DEBUG(4, ("Offline, disable renew timer.\n"));
+ return;
+ }
- DEBUG(1, ("Failed to add the renewal task to online callbacks, "
- "continue normal operation.\n"));
- } else {
- ret = renew_all_tgts(renew_tgt_ctx);
- if (ret != EOK) {
- DEBUG(1, ("renew_all_tgts failed. "
- "Disabling automatic TGT renewal\n"));
- sss_log(SSS_LOG_ERR, "Disabling automatic TGT renewal.");
- talloc_zfree(renew_tgt_ctx);
- return;
- }
+ ret = renew_all_tgts(renew_tgt_ctx);
+ if (ret != EOK) {
+ DEBUG(1, ("renew_all_tgts failed. "
+ "Disabling automatic TGT renewal\n"));
+ sss_log(SSS_LOG_ERR, "Disabling automatic TGT renewal.");
+ talloc_zfree(renew_tgt_ctx);
+ return;
+ }
+
+ if (renew_tgt_ctx->te != NULL) {
+ DEBUG(7, ("There is an active renewal timer, doing nothing.\n"));
+ return;
}
DEBUG(7, ("Adding new renew timer.\n"));
@@ -462,7 +464,6 @@ errno_t init_renew_tgt(struct krb5_ctx *krb5_ctx, struct be_ctx *be_ctx,
krb5_ctx->renew_tgt_ctx->krb5_ctx = krb5_ctx;
krb5_ctx->renew_tgt_ctx->ev = ev;
krb5_ctx->renew_tgt_ctx->timer_interval = renew_intv;
- krb5_ctx->renew_tgt_ctx->added_to_online_callbacks = false;
ret = check_ccache_files(krb5_ctx->renew_tgt_ctx);
if (ret != EOK) {
@@ -480,6 +481,24 @@ errno_t init_renew_tgt(struct krb5_ctx *krb5_ctx, struct be_ctx *be_ctx,
goto fail;
}
+ DEBUG(7, ("Adding offline callback to remove renewal timer.\n"));
+ ret = be_add_offline_cb(krb5_ctx->renew_tgt_ctx, be_ctx,
+ renew_tgt_offline_callback, krb5_ctx->renew_tgt_ctx,
+ NULL);
+ if (ret != EOK) {
+ DEBUG(1, ("Failed to add offline callback.\n"));
+ goto fail;
+ }
+
+ DEBUG(7, ("Adding renewal task to online callbacks.\n"));
+ ret = be_add_online_cb(krb5_ctx->renew_tgt_ctx, be_ctx,
+ renew_tgt_online_callback, krb5_ctx->renew_tgt_ctx,
+ NULL);
+ if (ret != EOK) {
+ DEBUG(1, ("Failed to add renewal task to online callbacks.\n"));
+ goto fail;
+ }
+
return EOK;
fail: