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*: unify prefix copying

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There are a few places in the code where we use PREFIX_COPY(_IPV4/IPV6)
macro to copy a prefix. Let's always use prefix_copy function for this.

This should fix CID 1482142 and 1504610.

Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
This commit is contained in:
Igor Ryzhov 2021-06-02 20:03:52 +03:00
parent 176d039a27
commit b08dcc3f3f
5 changed files with 10 additions and 22 deletions
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8
bgpd/bgp_flowspec_util.c
View File

@ -227,12 +227,8 @@ int bgp_flowspec_ip_address(enum bgp_flowspec_util_nlri_t type,
BGP_FLOWSPEC_STRING_DISPLAY_MAX);
break;
case BGP_FLOWSPEC_CONVERT_TO_NON_OPAQUE:
if (prefix) {
if (prefix_local.family == AF_INET)
PREFIX_COPY_IPV4(prefix, &prefix_local);
else
PREFIX_COPY_IPV6(prefix, &prefix_local);
}
if (prefix)
prefix_copy(prefix, &prefix_local);
break;
case BGP_FLOWSPEC_VALIDATE_ONLY:
default:

2
bgpd/bgpd.c
View File

@ -1538,7 +1538,7 @@ static int bgp_peer_conf_if_to_su_update_v4(struct peer *peer,
*/
for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, ifc)) {
if (ifc->address && (ifc->address->family == AF_INET)) {
PREFIX_COPY_IPV4(&p, CONNECTED_PREFIX(ifc));
prefix_copy(&p, CONNECTED_PREFIX(ifc));
if (p.prefixlen == 30) {
peer->su.sa.sa_family = AF_INET;
addr = ntohl(p.u.prefix4.s_addr);

2
eigrpd/eigrp_network.c
View File

@ -219,7 +219,7 @@ int eigrp_network_set(struct eigrp *eigrp, struct prefix *p)
}
struct prefix *pref = prefix_new();
PREFIX_COPY_IPV4(pref, p);
prefix_copy(pref, p);
rn->info = (void *)pref;
/* Schedule Router ID Update. */

8
lib/prefix.h
View File

@ -481,11 +481,6 @@ extern void prefix_ipv4_free(struct prefix_ipv4 **p);
extern int str2prefix_ipv4(const char *, struct prefix_ipv4 *);
extern void apply_mask_ipv4(struct prefix_ipv4 *);
#define PREFIX_COPY(DST, SRC) \
*((struct prefix *)(DST)) = *((const struct prefix *)(SRC))
#define PREFIX_COPY_IPV4(DST, SRC) \
*((struct prefix_ipv4 *)(DST)) = *((const struct prefix_ipv4 *)(SRC))
extern int prefix_ipv4_any(const struct prefix_ipv4 *);
extern void apply_classful_mask_ipv4(struct prefix_ipv4 *);
@ -503,9 +498,6 @@ extern void prefix_ipv6_free(struct prefix_ipv6 **p);
extern int str2prefix_ipv6(const char *, struct prefix_ipv6 *);
extern void apply_mask_ipv6(struct prefix_ipv6 *);
#define PREFIX_COPY_IPV6(DST, SRC) \
*((struct prefix_ipv6 *)(DST)) = *((const struct prefix_ipv6 *)(SRC))
extern int ip6_masklen(struct in6_addr);
extern void masklen2ip6(const int, struct in6_addr *);

12
zebra/connected.c
View File

@ -198,7 +198,7 @@ static void connected_update(struct interface *ifp, struct connected *ifc)
void connected_up(struct interface *ifp, struct connected *ifc)
{
afi_t afi;
struct prefix p = {0};
struct prefix p;
struct nexthop nh = {
.type = NEXTHOP_TYPE_IFINDEX,
.ifindex = ifp->ifindex,
@ -225,7 +225,7 @@ void connected_up(struct interface *ifp, struct connected *ifc)
/* Ensure 'down' flag is cleared */
UNSET_FLAG(ifc->conf, ZEBRA_IFC_DOWN);
PREFIX_COPY(&p, CONNECTED_PREFIX(ifc));
prefix_copy(&p, CONNECTED_PREFIX(ifc));
/* Apply mask to the network. */
apply_mask(&p);
@ -277,9 +277,9 @@ void connected_up(struct interface *ifp, struct connected *ifc)
* resolve to the same network and mask
*/
for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) {
struct prefix cp = {0};
struct prefix cp;
PREFIX_COPY(&cp, CONNECTED_PREFIX(c));
prefix_copy(&cp, CONNECTED_PREFIX(c));
apply_mask(&cp);
if (prefix_same(&cp, &p) &&
@ -412,7 +412,7 @@ void connected_down(struct interface *ifp, struct connected *ifc)
return;
}
PREFIX_COPY(&p, CONNECTED_PREFIX(ifc));
prefix_copy(&p, CONNECTED_PREFIX(ifc));
/* Apply mask to the network. */
apply_mask(&p);
@ -450,7 +450,7 @@ void connected_down(struct interface *ifp, struct connected *ifc)
for (ALL_LIST_ELEMENTS_RO(ifp->connected, cnode, c)) {
struct prefix cp;
PREFIX_COPY(&cp, CONNECTED_PREFIX(c));
prefix_copy(&cp, CONNECTED_PREFIX(c));
apply_mask(&cp);
if (prefix_same(&p, &cp) &&