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Merge remote-tracking branch '4ZM/topic/test/4433_address'

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This commit is contained in:
Nick Mathewson 2011-11-14 12:53:34 -05:00
commit 8592126a18
2 changed files with 58 additions and 5 deletions
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14
src/common/address.c
View File

@ -476,13 +476,17 @@ tor_addr_parse_PTR_name(tor_addr_t *result, const char *address,
return 0;
}
/** Convert <b>addr</b> to an in-addr.arpa name or a .ip6.arpa name, and store
* the result in the <b>outlen</b>-byte buffer at <b>out</b>. Return 0 on
* success, -1 on failure. */
/** Convert <b>addr</b> to an in-addr.arpa name or a .ip6.arpa name,
* and store the result in the <b>outlen</b>-byte buffer at
* <b>out</b>. Return the number of chars written to <b>out</b>, not
* including the trailing \0, on success. Returns -1 on failure. */
int
tor_addr_to_PTR_name(char *out, size_t outlen,
const tor_addr_t *addr)
const tor_addr_t *addr)
{
tor_assert(out);
tor_assert(addr);
if (addr->family == AF_INET) {
uint32_t a = tor_addr_to_ipv4h(addr);
@ -505,7 +509,7 @@ tor_addr_to_PTR_name(char *out, size_t outlen,
*cp++ = '.';
}
memcpy(cp, "ip6.arpa", 9); /* 8 characters plus NUL */
return 0;
return 32 * 2 + 8;
}
return -1;
}

49
src/test/test_addr.c
View File

@ -175,6 +175,7 @@ static void
test_addr_ip6_helpers(void)
{
char buf[TOR_ADDR_BUF_LEN], bug[TOR_ADDR_BUF_LEN];
char rbuf[REVERSE_LOOKUP_NAME_BUF_LEN];
struct in6_addr a1, a2;
tor_addr_t t1, t2;
int r, i;
@ -500,6 +501,54 @@ test_addr_ip6_helpers(void)
AF_INET, 0);
test_eq(i, -1);
/* === Test tor_addr_to_PTR_name */
/* Stage IPv4 addr */
memset(&sa_storage, 0, sizeof(sa_storage));
sin = (struct sockaddr_in *)&sa_storage;
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = htonl(0x7f010203); /* 127.1.2.3 */
tor_addr_from_sockaddr(&t1, (struct sockaddr *)sin, NULL);
/* Check IPv4 PTR - too short buffer */
test_eq(tor_addr_to_PTR_name(rbuf, 1, &t1), -1);
test_eq(tor_addr_to_PTR_name(rbuf,
strlen("3.2.1.127.in-addr.arpa") - 1,
&t1), -1);
/* Check IPv4 PTR - valid addr */
test_eq(tor_addr_to_PTR_name(rbuf, sizeof(rbuf), &t1),
strlen("3.2.1.127.in-addr.arpa"));
test_streq(rbuf, "3.2.1.127.in-addr.arpa");
/* Invalid addr family */
t1.family = AF_UNSPEC;
test_eq(tor_addr_to_PTR_name(rbuf, sizeof(rbuf), &t1), -1);
/* Stage IPv6 addr */
memset(&sa_storage, 0, sizeof(sa_storage));
sin6 = (struct sockaddr_in6 *)&sa_storage;
sin6->sin6_family = AF_INET6;
sin6->sin6_addr.s6_addr[0] = 0x80; /* 8000::abcd */
sin6->sin6_addr.s6_addr[14] = 0xab;
sin6->sin6_addr.s6_addr[15] = 0xcd;
tor_addr_from_sockaddr(&t1, (struct sockaddr *)sin6, NULL);
{
const char* addr_PTR = "d.c.b.a.0.0.0.0.0.0.0.0.0.0.0.0."
"0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.ip6.arpa";
/* Check IPv6 PTR - too short buffer */
test_eq(tor_addr_to_PTR_name(rbuf, 0, &t1), -1);
test_eq(tor_addr_to_PTR_name(rbuf, strlen(addr_PTR) - 1, &t1), -1);
/* Check IPv6 PTR - valid addr */
test_eq(tor_addr_to_PTR_name(rbuf, sizeof(rbuf), &t1),
strlen(addr_PTR));
test_streq(rbuf, addr_PTR);
}
/* test tor_addr_parse_mask_ports */
test_addr_mask_ports_parse("[::f]/17:47-95", AF_INET6,
0, 0, 0, 0x0000000f, 17, 47, 95);