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fixeria gerrit-no-reply at lists.osmocom.orgfixeria has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-bsc/+/22164 ) Change subject: vty: fix writing empty IP address for unconfigured NSVC ...................................................................... vty: fix writing empty IP address for unconfigured NSVC config_write_bts_gprs() currently writes the remote address of an NSVC even if osmo_sockaddr_str_from_sockaddr() returns non-zero code. Thus saving a configuration with only one configured NSVC to a file would produce the following: bts N ... gprs nsvc 0 nsvci 101 gprs nsvc 0 local udp port 23023 gprs nsvc 0 remote ip 127.0.0.1 gprs nsvc 0 remote udp port 23000 gprs nsvc 1 nsvci 0 gprs nsvc 1 local udp port 0 gprs nsvc 1 remote ip and next time osmo-bsc would refuse to start due to: Error occurred during reading the below line: gprs nsvc 1 remote ip The related condition consists of the following two parts: - checking if osmo_sockaddr_str_from_sockaddr() != 0; - checking if 'remote.af != AF_UNSPEC'. The first one is wrong, because osmo_sockaddr_str_from_sockaddr(), like many other functions, returns 0 on success. Let's fix this. After the fix, the second part does not seem to make sense, because remote.af would remain AF_UNSPEC (0) if the function call succeeds. Printing the remote port alone does not make sense, let's avoid printing it if the address cannot be parsed into a string. Change-Id: I5d6cbde4f605c8184db4ade87de5644a849c05db Fixes: I621360cab1e12c22248e33d62a9929995053ce04 --- M src/osmo-bsc/bsc_vty.c 1 file changed, 9 insertions(+), 13 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/64/22164/1 diff --git a/src/osmo-bsc/bsc_vty.c b/src/osmo-bsc/bsc_vty.c index 91acb03..753acf7 100644 --- a/src/osmo-bsc/bsc_vty.c +++ b/src/osmo-bsc/bsc_vty.c @@ -772,8 +772,7 @@ bts_sm->gprs.nse.timer[i], VTY_NEWLINE); for (i = 0; i < ARRAY_SIZE(bts_sm->gprs.nsvc); i++) { const struct gsm_gprs_nsvc *nsvc = &bts_sm->gprs.nsvc[i]; - struct osmo_sockaddr_str remote = {}; - uint16_t port; + struct osmo_sockaddr_str remote; vty_out(vty, " gprs nsvc %u nsvci %u%s", i, nsvc->nsvci, VTY_NEWLINE); @@ -781,18 +780,15 @@ vty_out(vty, " gprs nsvc %u local udp port %u%s", i, nsvc->local_port, VTY_NEWLINE); - if (osmo_sockaddr_str_from_sockaddr(&remote, &nsvc->remote.u.sas) || - remote.af != AF_UNSPEC) { - vty_out(vty, " gprs nsvc %u remote ip %s%s", i, - remote.ip, VTY_NEWLINE); - } + /* Most likely, the remote address is not configured (AF_UNSPEC). + * Printing the port alone makes no sense, so let's just skip both. */ + if (osmo_sockaddr_str_from_sockaddr(&remote, &nsvc->remote.u.sas) != 0) + continue; - /* Can't use remote.port because it's only valid when family != AF_UNSPEC, but the - * port can be even configured when the IP isn't */ - port = osmo_htons(nsvc->remote.u.sin.sin_port); - if (port) - vty_out(vty, " gprs nsvc %u remote udp port %u%s", i, - port, VTY_NEWLINE); + vty_out(vty, " gprs nsvc %u remote ip %s%s", + i, remote.ip, VTY_NEWLINE); + vty_out(vty, " gprs nsvc %u remote udp port %u%s", + i, remote.port, VTY_NEWLINE); } /* EGPRS specific parameters */ -- To view, visit https://gerrit.osmocom.org/c/osmo-bsc/+/22164 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bsc Gerrit-Branch: master Gerrit-Change-Id: I5d6cbde4f605c8184db4ade87de5644a849c05db Gerrit-Change-Number: 22164 Gerrit-PatchSet: 1 Gerrit-Owner: fixeria <vyanitskiy at sysmocom.de> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210113/b9ebfecf/attachment.htm>