[M] Change in libosmo-sccp[master]: asp: Factor out helper function to match host in asp_peer

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/libosmo-sccp/+/34587?usp=email ) Change subject: asp: Factor out helper function to match host in asp_peer ...................................................................... asp: Factor out helper function to match host in asp_peer Change-Id: I6f13b285be09982ec83107ff96ade4dabf843815 --- M src/osmo_ss7_asp.c 1 file changed, 26 insertions(+), 25 deletions(-) git pull ssh://gerrit.osmocom.org:29418/libosmo-sccp refs/changes/87/34587/1 diff --git a/src/osmo_ss7_asp.c b/src/osmo_ss7_asp.c index 596e7ae..eab6bc7 100644 --- a/src/osmo_ss7_asp.c +++ b/src/osmo_ss7_asp.c @@ -343,6 +343,21 @@ return osmo_ss7_asp_peer_add_host2(peer, talloc_ctx, host, false); } +static bool ss7_asp_peer_match_host(const struct osmo_ss7_asp_peer *peer, const char *host, bool host_is_v6) +{ + unsigned int i; + for (i = 0; i < peer->host_cnt; i++) { + bool iter_is_v6 = osmo_ip_str_type(peer->host[i]) == AF_INET6; + bool iter_is_anyaddr = host_is_ip_anyaddr(peer->host[i], iter_is_v6); + /* "::" (v6) covers "0.0.0.0" (v4), but not otherwise */ + if ((iter_is_v6 != host_is_v6) && !(iter_is_v6 && iter_is_anyaddr)) + continue; + if (iter_is_anyaddr || !strcmp(peer->host[i], host)) + return true; + } + return false; +} + int ss7_asp_apply_peer_primary_address(const struct osmo_ss7_asp *asp) { struct osmo_fd *ofd; @@ -570,7 +585,6 @@ uint16_t local_port, remote_port; bool loc_is_v6, rem_is_v6; int rc; - int i; OSMO_ASSERT(ss7_initialized); /* convert local and remote IP to string */ @@ -613,34 +627,12 @@ if (asp->cfg.remote.port && asp->cfg.remote.port != remote_port) continue; - for (i = 0; i < asp->cfg.local.host_cnt; i++) { - bool iter_is_v6 = osmo_ip_str_type(asp->cfg.local.host[i]) == AF_INET6; - bool iter_is_anyaddr = host_is_ip_anyaddr(asp->cfg.local.host[i], iter_is_v6); - /* "::" (v6) covers "0.0.0.0" (v4), but not otherwise */ - if (iter_is_v6 != loc_is_v6 && - !(iter_is_v6 && iter_is_anyaddr)) - continue; - if (iter_is_anyaddr || - !strcmp(asp->cfg.local.host[i], hostbuf_l)) - break; - } - if (i == asp->cfg.local.host_cnt) + if (!ss7_asp_peer_match_host(&asp->cfg.local, hostbuf_l, loc_is_v6)) continue; /* didn't match any local.host */ /* If no remote host was set, it's probably a server and hence we match any cli src */ if (asp->cfg.remote.host_cnt) { - for (i = 0; i < asp->cfg.remote.host_cnt; i++) { - bool iter_is_v6 = osmo_ip_str_type(asp->cfg.remote.host[i]) == AF_INET6; - bool iter_is_anyaddr = host_is_ip_anyaddr(asp->cfg.remote.host[i], iter_is_v6); - /* "::" (v6) covers "0.0.0.0" (v4), but not otherwise */ - if (iter_is_v6 != rem_is_v6 && - !(iter_is_v6 && iter_is_anyaddr)) - continue; - if (iter_is_anyaddr || - !strcmp(asp->cfg.remote.host[i], hostbuf_r)) - break; - } - if (i == asp->cfg.remote.host_cnt) + if (!ss7_asp_peer_match_host(&asp->cfg.remote, hostbuf_r, rem_is_v6)) continue; /* didn't match any remote.host */ } -- To view, visit https://gerrit.osmocom.org/c/libosmo-sccp/+/34587?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: libosmo-sccp Gerrit-Branch: master Gerrit-Change-Id: I6f13b285be09982ec83107ff96ade4dabf843815 Gerrit-Change-Number: 34587 Gerrit-PatchSet: 1 Gerrit-Owner: pespin &lt;pespin(a)sysmocom.de&gt; Gerrit-MessageType: newchange