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path: root/sbin/pfctl/pfctl_parser.c
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Diffstat (limited to 'sbin/pfctl/pfctl_parser.c')
-rw-r--r--sbin/pfctl/pfctl_parser.c184
1 files changed, 73 insertions, 111 deletions
diff --git a/sbin/pfctl/pfctl_parser.c b/sbin/pfctl/pfctl_parser.c
index 6b47d75f77f3..f2eb75135609 100644
--- a/sbin/pfctl/pfctl_parser.c
+++ b/sbin/pfctl/pfctl_parser.c
@@ -68,15 +68,14 @@
void print_op (u_int8_t, const char *, const char *);
void print_port (u_int8_t, u_int16_t, u_int16_t, const char *, int);
-void print_ugid (u_int8_t, unsigned, unsigned, const char *, unsigned);
+void print_ugid (u_int8_t, id_t, id_t, const char *);
void print_flags (uint16_t);
void print_fromto(struct pf_rule_addr *, pf_osfp_t,
struct pf_rule_addr *, sa_family_t, u_int8_t, int, int);
int ifa_skip_if(const char *filter, struct node_host *p);
struct node_host *host_if(const char *, int);
-struct node_host *host_v4(const char *, int);
-struct node_host *host_v6(const char *, int);
+struct node_host *host_ip(const char *, int);
struct node_host *host_dns(const char *, int, int);
const char * const tcpflags = "FSRPAUEWe";
@@ -229,6 +228,17 @@ pfctl_parser_init(void)
err(1, "Failed to create interface group query response map");
}
+void
+copy_satopfaddr(struct pf_addr *pfa, struct sockaddr *sa)
+{
+ if (sa->sa_family == AF_INET6)
+ pfa->v6 = ((struct sockaddr_in6 *)sa)->sin6_addr;
+ else if (sa->sa_family == AF_INET)
+ pfa->v4 = ((struct sockaddr_in *)sa)->sin_addr;
+ else
+ warnx("unhandled af %d", sa->sa_family);
+}
+
const struct icmptypeent *
geticmptypebynumber(u_int8_t type, sa_family_t af)
{
@@ -354,14 +364,14 @@ print_port(u_int8_t op, u_int16_t p1, u_int16_t p2, const char *proto, int numer
}
void
-print_ugid(u_int8_t op, unsigned u1, unsigned u2, const char *t, unsigned umax)
+print_ugid(u_int8_t op, id_t i1, id_t i2, const char *t)
{
char a1[11], a2[11];
- snprintf(a1, sizeof(a1), "%u", u1);
- snprintf(a2, sizeof(a2), "%u", u2);
+ snprintf(a1, sizeof(a1), "%ju", (uintmax_t)i1);
+ snprintf(a2, sizeof(a2), "%ju", (uintmax_t)i2);
printf(" %s", t);
- if (u1 == umax && (op == PF_OP_EQ || op == PF_OP_NE))
+ if (i1 == -1 && (op == PF_OP_EQ || op == PF_OP_NE))
print_op(op, "unknown", a2);
else
print_op(op, a1, a2);
@@ -918,7 +928,7 @@ print_rule(struct pfctl_rule *r, const char *anchor_call, int verbose, int numer
printf("%sall", count++ ? ", " : "");
if (r->log & PF_LOG_MATCHES)
printf("%smatches", count++ ? ", " : "");
- if (r->log & PF_LOG_SOCKET_LOOKUP)
+ if (r->log & PF_LOG_USER)
printf("%suser", count++ ? ", " : "");
if (r->logif)
printf("%sto pflog%u", count++ ? ", " : "",
@@ -967,11 +977,9 @@ print_rule(struct pfctl_rule *r, const char *anchor_call, int verbose, int numer
printf(" %sreceived-on %s", r->rcvifnot ? "!" : "",
r->rcv_ifname);
if (r->uid.op)
- print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user",
- UID_MAX);
+ print_ugid(r->uid.op, r->uid.uid[0], r->uid.uid[1], "user");
if (r->gid.op)
- print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group",
- GID_MAX);
+ print_ugid(r->gid.op, r->gid.gid[0], r->gid.gid[1], "group");
if (r->flags || r->flagset) {
printf(" flags ");
print_flags(r->flags);
@@ -1378,7 +1386,6 @@ struct node_host *
gen_dynnode(struct node_host *h, sa_family_t af)
{
struct node_host *n;
- struct pf_addr *m;
if (h->addr.type != PF_ADDR_DYNIFTL)
return (NULL);
@@ -1391,8 +1398,7 @@ gen_dynnode(struct node_host *h, sa_family_t af)
n->tail = NULL;
/* fix up netmask */
- m = &n->addr.v.a.mask;
- if (af == AF_INET && unmask(m) > 32)
+ if (af == AF_INET && unmask(&n->addr.v.a.mask) > 32)
set_ipmask(n, 32);
return (n);
@@ -1477,7 +1483,8 @@ ifa_load(void)
err(1, "getifaddrs");
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
- if (!(ifa->ifa_addr->sa_family == AF_INET ||
+ if (ifa->ifa_addr == NULL ||
+ !(ifa->ifa_addr->sa_family == AF_INET ||
ifa->ifa_addr->sa_family == AF_INET6 ||
ifa->ifa_addr->sa_family == AF_LINK))
continue;
@@ -1502,42 +1509,25 @@ ifa_load(void)
}
#endif
n->ifindex = 0;
- if (n->af == AF_INET) {
- memcpy(&n->addr.v.a.addr, &((struct sockaddr_in *)
- ifa->ifa_addr)->sin_addr.s_addr,
- sizeof(struct in_addr));
- memcpy(&n->addr.v.a.mask, &((struct sockaddr_in *)
- ifa->ifa_netmask)->sin_addr.s_addr,
- sizeof(struct in_addr));
- if (ifa->ifa_broadaddr != NULL)
- memcpy(&n->bcast, &((struct sockaddr_in *)
- ifa->ifa_broadaddr)->sin_addr.s_addr,
- sizeof(struct in_addr));
- if (ifa->ifa_dstaddr != NULL)
- memcpy(&n->peer, &((struct sockaddr_in *)
- ifa->ifa_dstaddr)->sin_addr.s_addr,
- sizeof(struct in_addr));
- } else if (n->af == AF_INET6) {
- memcpy(&n->addr.v.a.addr, &((struct sockaddr_in6 *)
- ifa->ifa_addr)->sin6_addr.s6_addr,
- sizeof(struct in6_addr));
- memcpy(&n->addr.v.a.mask, &((struct sockaddr_in6 *)
- ifa->ifa_netmask)->sin6_addr.s6_addr,
- sizeof(struct in6_addr));
- if (ifa->ifa_broadaddr != NULL)
- memcpy(&n->bcast, &((struct sockaddr_in6 *)
- ifa->ifa_broadaddr)->sin6_addr.s6_addr,
- sizeof(struct in6_addr));
- if (ifa->ifa_dstaddr != NULL)
- memcpy(&n->peer, &((struct sockaddr_in6 *)
- ifa->ifa_dstaddr)->sin6_addr.s6_addr,
- sizeof(struct in6_addr));
- n->ifindex = ((struct sockaddr_in6 *)
- ifa->ifa_addr)->sin6_scope_id;
- } else if (n->af == AF_LINK) {
- ifa_add_groups_to_map(ifa->ifa_name);
+ if (n->af == AF_LINK) {
n->ifindex = ((struct sockaddr_dl *)
ifa->ifa_addr)->sdl_index;
+ ifa_add_groups_to_map(ifa->ifa_name);
+ } else {
+ copy_satopfaddr(&n->addr.v.a.addr, ifa->ifa_addr);
+ ifa->ifa_netmask->sa_family = ifa->ifa_addr->sa_family;
+ copy_satopfaddr(&n->addr.v.a.mask, ifa->ifa_netmask);
+ if (ifa->ifa_broadaddr != NULL) {
+ ifa->ifa_broadaddr->sa_family = ifa->ifa_addr->sa_family;
+ copy_satopfaddr(&n->bcast, ifa->ifa_broadaddr);
+ }
+ if (ifa->ifa_dstaddr != NULL) {
+ ifa->ifa_dstaddr->sa_family = ifa->ifa_addr->sa_family;
+ copy_satopfaddr(&n->peer, ifa->ifa_dstaddr);
+ }
+ if (n->af == AF_INET6)
+ n->ifindex = ((struct sockaddr_in6 *)
+ ifa->ifa_addr) ->sin6_scope_id;
}
if ((n->ifname = strdup(ifa->ifa_name)) == NULL)
err(1, "%s: strdup", __func__);
@@ -1803,22 +1793,21 @@ host(const char *s, int opts)
char *p, *ps;
const char *errstr;
- if ((p = strrchr(s, '/')) != NULL) {
+ if ((p = strchr(s, '/')) != NULL) {
mask = strtonum(p+1, 0, 128, &errstr);
if (errstr) {
fprintf(stderr, "netmask is %s: %s\n", errstr, p);
goto error;
}
if ((ps = malloc(strlen(s) - strlen(p) + 1)) == NULL)
- err(1, "host: malloc");
+ err(1, "%s: malloc", __func__);
strlcpy(ps, s, strlen(s) - strlen(p) + 1);
} else {
if ((ps = strdup(s)) == NULL)
- err(1, "host: strdup");
+ err(1, "%s: strdup", __func__);
}
- if ((h = host_v4(s, mask)) == NULL &&
- (h = host_v6(ps, mask)) == NULL &&
+ if ((h = host_ip(ps, mask)) == NULL &&
(h = host_if(ps, mask)) == NULL &&
(h = host_dns(ps, mask, (opts & PF_OPT_NODNS))) == NULL) {
fprintf(stderr, "no IP address found for %s\n", s);
@@ -1875,59 +1864,42 @@ error:
}
struct node_host *
-host_v4(const char *s, int mask)
+host_ip(const char *s, int mask)
{
+ struct addrinfo hints, *res;
struct node_host *h = NULL;
- struct in_addr ina;
-
- memset(&ina, 0, sizeof(ina));
- if (mask > -1) {
- if (inet_net_pton(AF_INET, s, &ina, sizeof(ina)) == -1)
- return (NULL);
- } else {
- if (inet_pton(AF_INET, s, &ina) != 1)
- return (NULL);
- }
- h = calloc(1, sizeof(struct node_host));
+ h = calloc(1, sizeof(*h));
if (h == NULL)
- err(1, "address: calloc");
- h->ifname = NULL;
- h->af = AF_INET;
- h->addr.v.a.addr.addr32[0] = ina.s_addr;
- set_ipmask(h, mask);
- h->next = NULL;
- h->tail = h;
-
- return (h);
-}
-
-struct node_host *
-host_v6(const char *s, int mask)
-{
- struct addrinfo hints, *res;
- struct node_host *h = NULL;
+ err(1, "%s: calloc", __func__);
+ if (mask != -1) {
+ /* Try to parse 10/8 */
+ h->af = AF_INET;
+ if (inet_net_pton(AF_INET, s, &h->addr.v.a.addr.v4,
+ sizeof(h->addr.v.a.addr.v4)) != -1)
+ goto out;
+ }
memset(&hints, 0, sizeof(hints));
- hints.ai_family = AF_INET6;
+ hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_DGRAM; /*dummy*/
hints.ai_flags = AI_NUMERICHOST;
- if (getaddrinfo(s, "0", &hints, &res) == 0) {
- h = calloc(1, sizeof(struct node_host));
- if (h == NULL)
- err(1, "address: calloc");
- h->ifname = NULL;
- h->af = AF_INET6;
- memcpy(&h->addr.v.a.addr,
- &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr,
- sizeof(h->addr.v.a.addr));
- h->ifindex =
- ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id;
- set_ipmask(h, mask);
+ if (getaddrinfo(s, NULL, &hints, &res) == 0) {
+ h->af = res->ai_family;
+ copy_satopfaddr(&h->addr.v.a.addr, res->ai_addr);
+ if (h->af == AF_INET6)
+ h->ifindex =
+ ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id;
freeaddrinfo(res);
- h->next = NULL;
- h->tail = h;
+ } else {
+ free(h);
+ return (NULL);
}
+out:
+ set_ipmask(h, mask);
+ h->ifname = NULL;
+ h->next = NULL;
+ h->tail = h;
return (h);
}
@@ -1974,20 +1946,10 @@ host_dns(const char *s, int mask, int numeric)
err(1, "host_dns: calloc");
n->ifname = NULL;
n->af = res->ai_family;
- if (res->ai_family == AF_INET) {
- memcpy(&n->addr.v.a.addr,
- &((struct sockaddr_in *)
- res->ai_addr)->sin_addr.s_addr,
- sizeof(struct in_addr));
- } else {
- memcpy(&n->addr.v.a.addr,
- &((struct sockaddr_in6 *)
- res->ai_addr)->sin6_addr.s6_addr,
- sizeof(struct in6_addr));
+ copy_satopfaddr(&n->addr.v.a.addr, res->ai_addr);
+ if (res->ai_family == AF_INET6)
n->ifindex =
- ((struct sockaddr_in6 *)
- res->ai_addr)->sin6_scope_id;
- }
+ ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id;
set_ipmask(n, mask);
n->next = NULL;
n->tail = n;