From 9aac6b1a195159d5aa0bbbe91fc72ce2c2b021aa Mon Sep 17 00:00:00 2001 From: Jakub Hrozek Date: Fri, 28 Oct 2011 16:54:02 +0200 Subject: RFC2307bis initgroups: fix nested groups processing Due to incorrectly written loop, SSSD would go into infitite loop if it processed the same group on two different levels of membership. --- src/providers/ldap/sdap_async_initgroups.c | 53 +++++++++++++++++++----------- 1 file changed, 33 insertions(+), 20 deletions(-) diff --git a/src/providers/ldap/sdap_async_initgroups.c b/src/providers/ldap/sdap_async_initgroups.c index f36080d48..26bc34f07 100644 --- a/src/providers/ldap/sdap_async_initgroups.c +++ b/src/providers/ldap/sdap_async_initgroups.c @@ -1885,17 +1885,23 @@ static void rfc2307bis_nested_groups_process(struct tevent_req *subreq) * Move on to the next group */ state->group_iter++; - if (state->group_iter < state->num_groups) { - do { - ret = rfc2307bis_nested_groups_step(req); - if (ret != EOK && ret != EAGAIN) { - tevent_req_error(req, ret); - return; - } - } while (ret == EOK); + while (state->group_iter < state->num_groups) { + ret = rfc2307bis_nested_groups_step(req); + if (ret == EAGAIN) { + /* Looking up parent groups.. */ + return; + } else if (ret != EOK) { + tevent_req_error(req, ret); + return; + } + /* EOK means this group has already been processed - * in another level */ - } else { + * in another nesting level */ + state->group_iter++; + } + + if (state->group_iter == state->num_groups) { + /* All groups processed. Done. */ tevent_req_done(req); } return; @@ -1940,18 +1946,25 @@ static void rfc2307bis_nested_groups_done(struct tevent_req *subreq) } state->group_iter++; - if (state->group_iter < state->num_groups) { - do { - ret = rfc2307bis_nested_groups_step(req); - if (ret != EOK && ret != EAGAIN) { - tevent_req_error(req, ret); - return; - } - } while (ret == EOK); + while (state->group_iter < state->num_groups) { + ret = rfc2307bis_nested_groups_step(req); + if (ret == EAGAIN) { + /* Looking up parent groups.. */ + return; + } else if (ret != EOK) { + tevent_req_error(req, ret); + return; + } + /* EOK means this group has already been processed - * in another level */ - } else { + * in another nesting level */ + state->group_iter++; + } + + if (state->group_iter == state->num_groups) { + /* All groups processed. Done. */ tevent_req_done(req); + return; } } -- cgit