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virsocket: Introduce virSocketAddrIsWildcard

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This internal API checks, if passed address is a wildcard address.
This commit is contained in:
Michal Privoznik 2013-06-06 15:50:01 +02:00
parent cbdb3c7326
commit 688994364f
4 changed files with 60 additions and 0 deletions
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1
src/libvirt_private.syms
View File

@ -1782,6 +1782,7 @@ virSocketAddrGetPort;
virSocketAddrGetRange;
virSocketAddrIsNetmask;
virSocketAddrIsPrivate;
virSocketAddrIsWildcard;
virSocketAddrMask;
virSocketAddrMaskByPrefix;
virSocketAddrParse;

20
src/util/virsocketaddr.c
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@ -226,6 +226,26 @@ virSocketAddrIsPrivate(const virSocketAddrPtr addr)
return false;
}
/*
* virSocketAddrIsWildcard:
* @addr: address to check
*
* Check if passed address is a variant of ANYCAST address.
*/
bool
virSocketAddrIsWildcard(const virSocketAddrPtr addr)
{
in_addr_t tmp = INADDR_ANY;
switch (addr->data.stor.ss_family) {
case AF_INET:
return memcmp(&addr->data.inet4.sin_addr.s_addr, &tmp,
sizeof(addr->data.inet4.sin_addr.s_addr)) == 0;
case AF_INET6:
return IN6_IS_ADDR_UNSPECIFIED(&addr->data.inet6.sin6_addr.s6_addr);
}
return false;
}
/*
* virSocketAddrFormat:
* @addr: an initialized virSocketAddrPtr

1
src/util/virsocketaddr.h
View File

@ -123,4 +123,5 @@ bool virSocketAddrEqual(const virSocketAddrPtr s1,
const virSocketAddrPtr s2);
bool virSocketAddrIsPrivate(const virSocketAddrPtr addr);
bool virSocketAddrIsWildcard(const virSocketAddrPtr addr);
#endif /* __VIR_SOCKETADDR_H__ */

38
tests/sockettest.c
View File

@ -157,6 +157,28 @@ static int testNetmaskHelper(const void *opaque)
return testNetmask(data->addr1, data->addr2, data->netmask, data->pass);
}
static int testWildcard(const char *addrstr,
bool pass)
{
virSocketAddr addr;
if (virSocketAddrParse(&addr, addrstr, AF_UNSPEC) < 0)
return -1;
if (virSocketAddrIsWildcard(&addr))
return pass ? 0 : -1;
return pass ? -1 : 0;
}
struct testWildcardData {
const char *addr;
bool pass;
};
static int testWildcardHelper(const void *opaque)
{
const struct testWildcardData *data = opaque;
return testWildcard(data->addr, data->pass);
}
static int
mymain(void)
@ -223,6 +245,14 @@ mymain(void)
ret = -1; \
} while (0)
#define DO_TEST_WILDCARD(addr, pass) \
do { \
struct testWildcardData data = { addr, pass}; \
if (virtTestRun("Test wildcard " addr, 1, \
testWildcardHelper, &data) < 0) \
ret = -1; \
} while (0)
DO_TEST_PARSE_AND_FORMAT("127.0.0.1", AF_UNSPEC, true);
DO_TEST_PARSE_AND_FORMAT("127.0.0.1", AF_INET, true);
@ -276,6 +306,14 @@ mymain(void)
DO_TEST_NETMASK("2000::1:1", "9000::1:1",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:0", false);
DO_TEST_WILDCARD("0.0.0.0", true);
DO_TEST_WILDCARD("::", true);
DO_TEST_WILDCARD("0", true);
DO_TEST_WILDCARD("0.0", true);
DO_TEST_WILDCARD("0.0.0", true);
DO_TEST_WILDCARD("1", false);
DO_TEST_WILDCARD("0.1", false);
return ret==0 ? EXIT_SUCCESS : EXIT_FAILURE;
}