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| author | Simo Sorce <ssorce@redhat.com> | 2009-03-27 14:52:21 -0400 |
|---|---|---|
| committer | Simo Sorce <ssorce@redhat.com> | 2009-03-27 15:13:45 -0400 |
| commit | a06644dfe4f680d6b14f7e654aad4982ea10a6cc (patch) | |
| tree | 39f03b64dad15cff58ce943e3ca30b561cae3e94 /server/responder/pam | |
| parent | 11cd9b94e6fc6ce22387a49f146f875c03bf9b54 (diff) | |
| download | sssd-a06644dfe4f680d6b14f7e654aad4982ea10a6cc.tar.gz sssd-a06644dfe4f680d6b14f7e654aad4982ea10a6cc.tar.xz sssd-a06644dfe4f680d6b14f7e654aad4982ea10a6cc.zip | |
Fix potential segfault if dp_ctx is still NULL.
May happen at startup if, for some reason dp is very slow to start and we
receive a request before a reconnection is rescheduled in the responder dp
reconnection code.
This shouldn't happen normally so make it clear with a debug statement.
Diffstat (limited to 'server/responder/pam')
| -rw-r--r-- | server/responder/pam/pamsrv_dp.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/server/responder/pam/pamsrv_dp.c b/server/responder/pam/pamsrv_dp.c index 9bd249e29..5eaf7d14d 100644 --- a/server/responder/pam/pamsrv_dp.c +++ b/server/responder/pam/pamsrv_dp.c @@ -95,7 +95,6 @@ int pam_dp_send_req(struct cli_ctx *cctx, DBusMessage *msg; DBusPendingCall *pending_reply; DBusConnection *conn; - DBusError dbus_error; dbus_bool_t ret; struct pam_reply_ctx *rctx; @@ -117,8 +116,16 @@ int pam_dp_send_req(struct cli_ctx *cctx, return EINVAL; } + /* double check dp_ctx has actually been initialized. + * in some pathological cases it may happen that nss starts up before + * dp connection code is actually able to establish a connection. + */ + if (!rctx->dp_ctx) { + DEBUG(1, ("The Data Provider connection is not available yet!" + " This maybe a bug, it shouldn't happen!\n")); + return EIO; + } conn = sbus_get_connection(cctx->rctx->dp_ctx->scon_ctx); - dbus_error_init(&dbus_error); msg = dbus_message_new_method_call(NULL, DP_CLI_PATH, |