From bb62fb68f61fac69fa7f2470db943da859844acf Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Thu, 10 Jul 2014 20:21:20 +0200 Subject: machined: various modernizations when enumerating container addresses --- src/machine/machine-dbus.c | 52 ++++++++++++++++++++++++++++++---------------- 1 file changed, 34 insertions(+), 18 deletions(-) diff --git a/src/machine/machine-dbus.c b/src/machine/machine-dbus.c index 14dae0a033..39db5053a1 100644 --- a/src/machine/machine-dbus.c +++ b/src/machine/machine-dbus.c @@ -32,6 +32,7 @@ #include "bus-errors.h" #include "copy.h" #include "fileio.h" +#include "socket-util.h" #include "machine.h" static int property_get_id( @@ -190,22 +191,20 @@ int bus_machine_method_get_addresses(sd_bus *bus, sd_bus_message *message, void if (r < 0) _exit(EXIT_FAILURE); - r = sd_rtnl_message_request_dump(req, true); - if (r < 0) - _exit(EXIT_FAILURE); - r = sd_rtnl_call(rtnl, req, 0, &resp); if (r < 0) _exit(EXIT_FAILURE); for (addr = resp; addr; addr = sd_rtnl_message_next(addr)) { uint16_t type; - unsigned char family; - union { - struct in_addr in; - struct in6_addr in6; - } in_addr; + unsigned char family, scope; + union in_addr_union in_addr; struct iovec iov[2]; + unsigned char flags; + + r = sd_rtnl_message_get_errno(addr); + if (r < 0) + _exit(EXIT_FAILURE); r = sd_rtnl_message_get_type(addr, &type); if (r < 0) @@ -214,6 +213,20 @@ int bus_machine_method_get_addresses(sd_bus *bus, sd_bus_message *message, void if (type != RTM_NEWADDR) continue; + r = sd_rtnl_message_addr_get_flags(addr, &flags); + if (r < 0) + _exit(EXIT_FAILURE); + + if (flags & IFA_F_DEPRECATED) + continue; + + r = sd_rtnl_message_addr_get_scope(addr, &scope); + if (r < 0) + _exit(EXIT_FAILURE); + + if (scope == RT_SCOPE_HOST || scope == RT_SCOPE_NOWHERE) + continue; + r = sd_rtnl_message_addr_get_family(addr, &family); if (r < 0) _exit(EXIT_FAILURE); @@ -225,8 +238,11 @@ int bus_machine_method_get_addresses(sd_bus *bus, sd_bus_message *message, void case AF_INET: r = sd_rtnl_message_read_in_addr(addr, IFA_LOCAL, &in_addr.in); - if (r < 0) - _exit(EXIT_FAILURE); + if (r < 0) { + r = sd_rtnl_message_read_in_addr(addr, IFA_ADDRESS, &in_addr.in); + if (r < 0) + _exit(EXIT_FAILURE); + } if (in_addr.in.s_addr == htobe32(INADDR_LOOPBACK)) continue; @@ -236,9 +252,12 @@ int bus_machine_method_get_addresses(sd_bus *bus, sd_bus_message *message, void case AF_INET6: - r = sd_rtnl_message_read_in6_addr(addr, IFA_ADDRESS, &in_addr.in6); - if (r < 0) - _exit(EXIT_FAILURE); + r = sd_rtnl_message_read_in6_addr(addr, IFA_LOCAL, &in_addr.in6); + if (r < 0) { + r = sd_rtnl_message_read_in6_addr(addr, IFA_ADDRESS, &in_addr.in6); + if (r < 0) + _exit(EXIT_FAILURE); + } if (IN6_IS_ADDR_LOOPBACK(&in_addr.in6)) continue; @@ -271,10 +290,7 @@ int bus_machine_method_get_addresses(sd_bus *bus, sd_bus_message *message, void for (;;) { unsigned char family; ssize_t n; - union { - struct in_addr in; - struct in6_addr in6; - } in_addr; + union in_addr_union in_addr; struct iovec iov[2]; struct msghdr mh = { .msg_iov = iov, -- cgit v1.2.3-54-g00ecf