getaddrinfo returns EAI_SERVICE (-8) if that combination is used.

More information available in here:

http://sourceware.org/bugzilla/show_bug.cgi?id=15015

Reported by Holger Hans Peter Freyther.

While at it, this patch also removes hints.ai_flags = 0 as memset to zero already happened just a bit before that. --- src/socket.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/socket.c b/src/socket.c index 53205cd..a5530d0 100644 --- a/src/socket.c +++ b/src/socket.c @@ -54,9 +54,16 @@ int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto, sprintf(portbuf, "%u", port); memset(&hints, 0, sizeof(struct addrinfo)); hints.ai_family = family; - hints.ai_socktype = type; - hints.ai_flags = 0; - hints.ai_protocol = proto; + if (type == SOCK_RAW) { + /* Workaround for glibc, that returns EAI_SERVICE (-8) if + * SOCK_RAW and IPPROTO_GRE is used. + */ + hints.ai_socktype = SOCK_DGRAM; + hints.ai_protocol = IPPROTO_UDP; + } else { + hints.ai_socktype = type; + hints.ai_protocol = proto; + }

if (flags & OSMO_SOCK_F_BIND) hints.ai_flags |= AI_PASSIVE; @@ -68,6 +75,12 @@ int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto, }

for (rp = result; rp != NULL; rp = rp->ai_next) { + /* Workaround for glibc again */ + if (type == SOCK_RAW) { + rp->ai_socktype = SOCK_RAW; + rp->ai_protocol = proto; + } + sfd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); if (sfd == -1) continue;