bytemark/flexnbd-c
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This commit is contained in:
nick
2012-06-11 13:05:22 +01:00
parent 224bdcbf87
commit 893db71d7c
3 changed files with 23 additions and 22 deletions
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23
src/acl.c
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@@ -27,18 +27,18 @@ static int is_included_in_acl(int list_length, struct ip_and_mask (*list)[], uni
NULLCHECK( test );
int i;
for (i=0; i < list_length; i++) {
struct ip_and_mask *entry = &(*list)[i];
int testbits;
unsigned char *raw_address1, *raw_address2;
debug("checking acl entry %d (%d/%d)", i, test->generic.sa_family, entry->ip.family);
if (test->generic.sa_family != entry->ip.family) {
continue;
}
if (test->generic.sa_family == AF_INET) {
debug("it's an AF_INET");
raw_address1 = (unsigned char*) &test->v4.sin_addr;
@@ -49,9 +49,9 @@ static int is_included_in_acl(int list_length, struct ip_and_mask (*list)[], uni
raw_address1 = (unsigned char*) &test->v6.sin6_addr;
raw_address2 = (unsigned char*) &entry->ip.v6.sin6_addr;
}
debug("testbits=%d", entry->mask);
for (testbits = entry->mask; testbits > 0; testbits -= 8) {
debug("testbits=%d, c1=%02x, c2=%02x", testbits, raw_address1[0], raw_address2[0]);
if (testbits >= 8) {
@@ -63,17 +63,17 @@ static int is_included_in_acl(int list_length, struct ip_and_mask (*list)[], uni
(raw_address2[0] & testmasks[testbits%8]) )
goto no_match;
}
raw_address1++;
raw_address2++;
}
return 1;
no_match: ;
debug("no match");
}
return 0;
}
@@ -83,7 +83,7 @@ int acl_includes( struct acl * acl, union mysockaddr * addr )
if ( 0 == acl->len ) {
return !( acl->default_deny );
}
}
else {
return is_included_in_acl( acl->len, acl->entries, addr );
}
@@ -97,3 +97,4 @@ void acl_destroy( struct acl * acl )
acl->entries = NULL;
free( acl );
}