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Quiet a compiler warning.

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This commit is contained in:
Todd C. Miller
2010-06-14 11:18:50 -04:00
parent 848b636f24
commit b09a643ff0
1 changed files with 33 additions and 28 deletions
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61
plugins/sudoers/match.c
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@@ -105,6 +105,13 @@ static int command_matches_normal(char *, char *);
*/
#define has_meta(s) (strpbrk(s, "\\?*[]") != NULL)
union sudo_in_addr_un {
struct in_addr ip4;
#ifdef HAVE_IN6_ADDR
struct in6_addr ip6;
#endif
};
/*
* Check for user described by pw in a list of members.
* Returns ALLOW, DENY or UNSPEC.
@@ -581,22 +588,21 @@ static int
addr_matches_if(char *n)
{
int i;
struct in_addr addr;
union sudo_in_addr_un addr;
struct interface *ifp;
#ifdef HAVE_IN6_ADDR
struct in6_addr addr6;
int j;
#endif
int family;
#ifdef HAVE_IN6_ADDR
if (inet_pton(AF_INET6, n, &addr6) > 0) {
if (inet_pton(AF_INET6, n, &addr.ip6) > 0) {
family = AF_INET6;
} else
#endif
{
family = AF_INET;
addr.s_addr = inet_addr(n);
addr.ip4.s_addr = inet_addr(n);
}
for (i = 0; i < num_interfaces; i++) {
@@ -605,21 +611,21 @@ addr_matches_if(char *n)
continue;
switch(family) {
case AF_INET:
if (ifp->addr.ip4.s_addr == addr.s_addr ||
if (ifp->addr.ip4.s_addr == addr.ip4.s_addr ||
(ifp->addr.ip4.s_addr & ifp->netmask.ip4.s_addr)
== addr.s_addr)
== addr.ip4.s_addr)
return(TRUE);
break;
#ifdef HAVE_IN6_ADDR
case AF_INET6:
if (memcmp(ifp->addr.ip6.s6_addr, addr6.s6_addr,
sizeof(addr6.s6_addr)) == 0)
if (memcmp(ifp->addr.ip6.s6_addr, addr.ip6.s6_addr,
sizeof(addr.ip6.s6_addr)) == 0)
return(TRUE);
for (j = 0; j < sizeof(addr6.s6_addr); j++) {
if ((ifp->addr.ip6.s6_addr[j] & ifp->netmask.ip6.s6_addr[j]) != addr6.s6_addr[j])
for (j = 0; j < sizeof(addr.ip6.s6_addr); j++) {
if ((ifp->addr.ip6.s6_addr[j] & ifp->netmask.ip6.s6_addr[j]) != addr.ip6.s6_addr[j])
break;
}
if (j == sizeof(addr6.s6_addr))
if (j == sizeof(addr.ip6.s6_addr))
return(TRUE);
#endif
}
@@ -632,46 +638,45 @@ static int
addr_matches_if_netmask(char *n, char *m)
{
int i;
struct in_addr addr, mask;
union sudo_in_addr_un addr, mask;
struct interface *ifp;
#ifdef HAVE_IN6_ADDR
struct in6_addr addr6, mask6;
int j;
#endif
int family;
#ifdef HAVE_IN6_ADDR
if (inet_pton(AF_INET6, n, &addr6) > 0)
if (inet_pton(AF_INET6, n, &addr.ip6) > 0)
family = AF_INET6;
else
#endif
{
family = AF_INET;
addr.s_addr = inet_addr(n);
addr.ip4.s_addr = inet_addr(n);
}
if (family == AF_INET) {
if (strchr(m, '.'))
mask.s_addr = inet_addr(m);
mask.ip4.s_addr = inet_addr(m);
else {
i = 32 - atoi(m);
mask.s_addr = 0xffffffff;
mask.s_addr >>= i;
mask.s_addr <<= i;
mask.s_addr = htonl(mask.s_addr);
mask.ip4.s_addr = 0xffffffff;
mask.ip4.s_addr >>= i;
mask.ip4.s_addr <<= i;
mask.ip4.s_addr = htonl(mask.ip4.s_addr);
}
}
#ifdef HAVE_IN6_ADDR
else {
if (inet_pton(AF_INET6, m, &mask6) <= 0) {
if (inet_pton(AF_INET6, m, &mask.ip6) <= 0) {
j = atoi(m);
for (i = 0; i < 16; i++) {
if (j < i * 8)
mask6.s6_addr[i] = 0;
mask.ip6.s6_addr[i] = 0;
else if (i * 8 + 8 <= j)
mask6.s6_addr[i] = 0xff;
mask.ip6.s6_addr[i] = 0xff;
else
mask6.s6_addr[i] = 0xff00 >> (j - i * 8);
mask.ip6.s6_addr[i] = 0xff00 >> (j - i * 8);
}
}
}
@@ -683,15 +688,15 @@ addr_matches_if_netmask(char *n, char *m)
continue;
switch(family) {
case AF_INET:
if ((ifp->addr.ip4.s_addr & mask.s_addr) == addr.s_addr)
if ((ifp->addr.ip4.s_addr & mask.ip4.s_addr) == addr.ip4.s_addr)
return(TRUE);
#ifdef HAVE_IN6_ADDR
case AF_INET6:
for (j = 0; j < sizeof(addr6.s6_addr); j++) {
if ((ifp->addr.ip6.s6_addr[j] & mask6.s6_addr[j]) != addr6.s6_addr[j])
for (j = 0; j < sizeof(addr.ip6.s6_addr); j++) {
if ((ifp->addr.ip6.s6_addr[j] & mask.ip6.s6_addr[j]) != addr.ip6.s6_addr[j])
break;
}
if (j == sizeof(addr6.s6_addr))
if (j == sizeof(addr.ip6.s6_addr))
return(TRUE);
#endif /* HAVE_IN6_ADDR */
}