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Merge pull request #8079 from pjdruddy/pr-snmp-coverity

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MPLSL3VPN snmp coverity fixes
This commit is contained in:
Donald Sharp 2021-02-19 08:54:02 -05:00 committed by GitHub
commit dc86ef74e6
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 20 additions and 7 deletions
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15
bgpd/bgp_mplsvpn_snmp.c
View File

@ -1023,14 +1023,17 @@ static struct bgp *bgpL3vpnVrfRt_lookup(struct variable *v, oid name[],
*rt_type = name[namelen + vrf_name_len + sizeof(uint32_t)];
}
/* validate the RT index is in range */
if (*rt_index > AFI_IP6)
return NULL;
if (exact) {
l3vpn_bgp = bgp_lookup_by_name(vrf_name);
if (l3vpn_bgp && !is_bgp_vrf_mplsvpn(l3vpn_bgp))
return NULL;
if (!l3vpn_bgp)
return NULL;
/* check the index and type match up */
if ((*rt_index != AFI_IP) || (*rt_index != AFI_IP6))
if ((*rt_index != AFI_IP) && (*rt_index != AFI_IP6))
return NULL;
/* do we have RT config */
if (!(l3vpn_bgp->vpn_policy[*rt_index]
@ -1408,8 +1411,7 @@ static struct bgp_path_info *bgpL3vpnRte_lookup(struct variable *v, oid name[],
break;
case INETADDRESSTYPEIPV6:
prefix.family = AF_INET6;
oid2in_addr(&name[i], sizeof(struct in6_addr),
&prefix.u.prefix4); /* sic */
oid2in6_addr(&name[i], &prefix.u.prefix6);
i += sizeof(struct in6_addr);
break;
}
@ -1431,8 +1433,7 @@ static struct bgp_path_info *bgpL3vpnRte_lookup(struct variable *v, oid name[],
break;
case INETADDRESSTYPEIPV6:
nexthop.ipa_type = IPADDR_V6;
oid2in_addr(&name[i], sizeof(struct in6_addr),
&nexthop.ip._v4_addr); /* sic */
oid2in6_addr(&name[i], &nexthop.ip._v6_addr);
/* i += sizeof(struct in6_addr); */
break;
}
@ -1458,7 +1459,7 @@ static struct bgp_path_info *bgpL3vpnRte_lookup(struct variable *v, oid name[],
/* otherwise lookup the one we have */
*l3vpn_bgp = bgp_lookup_by_name(vrf_name);
if (l3vpn_bgp == NULL)
if (*l3vpn_bgp == NULL)
return NULL;
pi = bgp_lookup_route_next(l3vpn_bgp, dest, &prefix, policy,

1
lib/smux.h
View File

@ -143,6 +143,7 @@ extern int smux_trap_multi_index(struct variable *vp, size_t vp_len,
size_t trapobjlen, uint8_t sptrap);
extern int oid_compare(const oid *, int, const oid *, int);
extern void oid2in_addr(oid[], int, struct in_addr *);
extern void oid2in6_addr(oid oid[], struct in6_addr *addr);
extern void oid2int(oid oid[], int *dest);
extern void *oid_copy(void *, const void *, size_t);
extern void oid_copy_addr(oid[], const struct in_addr *, int);

11
lib/snmp.c
View File

@ -64,6 +64,17 @@ void oid2in_addr(oid oid[], int len, struct in_addr *addr)
*pnt++ = oid[i];
}
void oid2in6_addr(oid oid[], struct in6_addr *addr)
{
unsigned int i;
uint8_t *pnt;
pnt = (uint8_t *)addr;
for (i = 0; i < sizeof(struct in6_addr); i++)
*pnt++ = oid[i];
}
void oid2int(oid oid[], int *dest)
{
uint8_t i;