Change in libosmocore[master]: add osmo_sockaddr_str_is_nonzero()

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neels gerrit-no-reply at lists.osmocom.org
Thu Oct 24 23:04:22 UTC 2019


Hello Jenkins Builder, 

I'd like you to reexamine a change. Please visit

    https://gerrit.osmocom.org/c/libosmocore/+/15835

to look at the new patch set (#2).

Change subject: add osmo_sockaddr_str_is_nonzero()
......................................................................

add osmo_sockaddr_str_is_nonzero()

Often, an IP address of 0.0.0.0 is considered an unset value (for clients
requiring a server address; not for listening on "any").

osmo_sockaddr_str_is_set() does return false when the port is 0, but there is
no simple way to tell whether the IP address is actually set to a server
address.

Add osmo_sockaddr_str_is_nonzero() to return false if:
- the port is zero, or
- the IP address is zero (0.0.0.0 or ::0), or
- the IP address cannot be parsed.

A practical use example: osmo-msc so far accepts an RTP IP address of 0.0.0.0
as valid. I noticed when trying to trigger error handling from a ttcn3 test.
osmo-msc can use this function to reject invalid addresses from MGCP messages.

Related: I53ddb19a70fda3deb906464e1b89c12d9b4c7cbd (osmo-msc)
Change-Id: I73cbcab90cffcdc9a5f8d5281c57c1f87b2c3550
---
M include/osmocom/core/sockaddr_str.h
M src/sockaddr_str.c
M tests/sockaddr_str/sockaddr_str_test.c
M tests/sockaddr_str/sockaddr_str_test.ok
4 files changed, 87 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/35/15835/2
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I73cbcab90cffcdc9a5f8d5281c57c1f87b2c3550
Gerrit-Change-Number: 15835
Gerrit-PatchSet: 2
Gerrit-Owner: neels <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-CC: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newpatchset
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