machined: various modernizations when enumerating container addresses

This commit is contained in:
Lennart Poettering
2014-07-10 20:25:21 +02:00
parent 47efffc22b
commit bb62fb68f6
+34 -18
View File
@@ -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,