#include "ioctl.h"
#include "log.h"
#include "privs.h"
+#include "lib_errors.h"
#include "vty.h"
#include "zebra/rib.h"
#include "zebra/rt.h"
#include "zebra/interface.h"
+#include "zebra/zebra_errors.h"
#ifndef SUNOS_5
}
/* call ioctl system call */
-int if_ioctl(u_long request, caddr_t buffer)
+int if_ioctl(unsigned long request, caddr_t buffer)
{
int sock;
int ret;
int err = 0;
- if (zserv_privs.change(ZPRIVS_RAISE))
- zlog_err("Can't raise privileges");
- sock = socket(AF_INET, SOCK_DGRAM, 0);
- if (sock < 0) {
- int save_errno = errno;
- if (zserv_privs.change(ZPRIVS_LOWER))
- zlog_err("Can't lower privileges");
- zlog_err("Cannot create UDP socket: %s",
- safe_strerror(save_errno));
- exit(1);
+ frr_elevate_privs(&zserv_privs) {
+ sock = socket(AF_INET, SOCK_DGRAM, 0);
+ if (sock < 0) {
+ zlog_err("Cannot create UDP socket: %s",
+ safe_strerror(errno));
+ exit(1);
+ }
+ if ((ret = ioctl(sock, request, buffer)) < 0)
+ err = errno;
}
- if ((ret = ioctl(sock, request, buffer)) < 0)
- err = errno;
- if (zserv_privs.change(ZPRIVS_LOWER))
- zlog_err("Can't lower privileges");
close(sock);
if (ret < 0) {
return 0;
}
-static int if_ioctl_ipv6(u_long request, caddr_t buffer)
+/* call ioctl system call */
+int vrf_if_ioctl(unsigned long request, caddr_t buffer, vrf_id_t vrf_id)
{
int sock;
int ret;
int err = 0;
- if (zserv_privs.change(ZPRIVS_RAISE))
- zlog_err("Can't raise privileges");
- sock = socket(AF_INET6, SOCK_DGRAM, 0);
- if (sock < 0) {
- int save_errno = errno;
- if (zserv_privs.change(ZPRIVS_LOWER))
- zlog_err("Can't lower privileges");
- zlog_err("Cannot create IPv6 datagram socket: %s",
- safe_strerror(save_errno));
- exit(1);
+ frr_elevate_privs(&zserv_privs) {
+ sock = vrf_socket(AF_INET, SOCK_DGRAM, 0, vrf_id, NULL);
+ if (sock < 0) {
+ zlog_err("Cannot create UDP socket: %s",
+ safe_strerror(errno));
+ exit(1);
+ }
+ ret = vrf_ioctl(vrf_id, sock, request, buffer);
+ if (ret < 0)
+ err = errno;
}
+ close(sock);
- if ((ret = ioctl(sock, request, buffer)) < 0)
- err = errno;
- if (zserv_privs.change(ZPRIVS_LOWER))
- zlog_err("Can't lower privileges");
+ if (ret < 0) {
+ errno = err;
+ return ret;
+ }
+ return 0;
+}
+
+#ifndef HAVE_NETLINK
+static int if_ioctl_ipv6(unsigned long request, caddr_t buffer)
+{
+ int sock;
+ int ret;
+ int err = 0;
+
+ frr_elevate_privs(&zserv_privs) {
+ sock = socket(AF_INET6, SOCK_DGRAM, 0);
+ if (sock < 0) {
+ zlog_err("Cannot create IPv6 datagram socket: %s",
+ safe_strerror(errno));
+ exit(1);
+ }
+
+ if ((ret = ioctl(sock, request, buffer)) < 0)
+ err = errno;
+ }
close(sock);
if (ret < 0) {
}
return 0;
}
+#endif /* ! HAVE_NETLINK */
/*
* get interface metric
ifreq_set_name(&ifreq, ifp);
- if (if_ioctl(SIOCGIFMETRIC, (caddr_t)&ifreq) < 0)
+ if (vrf_if_ioctl(SIOCGIFMETRIC, (caddr_t)&ifreq, ifp->vrf_id) < 0)
return;
ifp->metric = ifreq.ifr_metric;
if (ifp->metric == 0)
ifreq_set_name(&ifreq, ifp);
#if defined(SIOCGIFMTU)
- if (if_ioctl(SIOCGIFMTU, (caddr_t)&ifreq) < 0) {
+ if (vrf_if_ioctl(SIOCGIFMTU, (caddr_t)&ifreq, ifp->vrf_id) < 0) {
zlog_info("Can't lookup mtu by ioctl(SIOCGIFMTU)");
ifp->mtu6 = ifp->mtu = -1;
return;
ifreq_set_name(&ifreq, ifp);
- ret = if_ioctl(SIOCGIFFLAGS, (caddr_t)&ifreq);
+ ret = vrf_if_ioctl(SIOCGIFFLAGS, (caddr_t)&ifreq, ifp->vrf_id);
if (ret < 0) {
- zlog_err("if_ioctl(SIOCGIFFLAGS) failed: %s",
- safe_strerror(errno));
+ flog_err_sys(EC_LIB_SYSTEM_CALL,
+ "vrf_if_ioctl(SIOCGIFFLAGS) failed: %s",
+ safe_strerror(errno));
return;
}
#ifdef HAVE_BSD_LINK_DETECT /* Detect BSD link-state at start-up */
strncpy(ifmr.ifm_name, ifp->name, IFNAMSIZ);
/* Seems not all interfaces implement this ioctl */
- if (if_ioctl(SIOCGIFMEDIA, (caddr_t)&ifmr) < 0)
- zlog_err("if_ioctl(SIOCGIFMEDIA) failed: %s",
- safe_strerror(errno));
+ if (if_ioctl(SIOCGIFMEDIA, (caddr_t)&ifmr) == -1 &&
+ errno != EINVAL)
+ flog_err_sys(EC_LIB_SYSTEM_CALL,
+ "if_ioctl(SIOCGIFMEDIA) failed: %s",
+ safe_strerror(errno));
else if (ifmr.ifm_status & IFM_AVALID) /* Link state is valid */
{
if (ifmr.ifm_status & IFM_ACTIVE)
ifreq.ifr_flags = ifp->flags;
ifreq.ifr_flags |= flags;
- ret = if_ioctl(SIOCSIFFLAGS, (caddr_t)&ifreq);
+ ret = vrf_if_ioctl(SIOCSIFFLAGS, (caddr_t)&ifreq, ifp->vrf_id);
if (ret < 0) {
zlog_info("can't set interface flags");
ifreq.ifr_flags = ifp->flags;
ifreq.ifr_flags &= ~flags;
- ret = if_ioctl(SIOCSIFFLAGS, (caddr_t)&ifreq);
+ ret = vrf_if_ioctl(SIOCSIFFLAGS, (caddr_t)&ifreq, ifp->vrf_id);
if (ret < 0) {
zlog_info("can't unset interface flags");
/* linux/include/net/ipv6.h */
struct in6_ifreq {
struct in6_addr ifr6_addr;
- u_int32_t ifr6_prefixlen;
+ uint32_t ifr6_prefixlen;
int ifr6_ifindex;
};
#endif /* _LINUX_IN6_H */
-
/* Interface's address add/delete functions. */
int if_prefix_add_ipv6(struct interface *ifp, struct connected *ifc)
{
- int ret;
- struct prefix_ipv6 *p;
- struct in6_ifreq ifreq;
-
- p = (struct prefix_ipv6 *)ifc->address;
-
- memset(&ifreq, 0, sizeof(struct in6_ifreq));
-
- memcpy(&ifreq.ifr6_addr, &p->prefix, sizeof(struct in6_addr));
- ifreq.ifr6_ifindex = ifp->ifindex;
- ifreq.ifr6_prefixlen = p->prefixlen;
-
- ret = if_ioctl_ipv6(SIOCSIFADDR, (caddr_t)&ifreq);
-
- return ret;
+#ifdef HAVE_NETLINK
+ return kernel_address_add_ipv6(ifp, ifc);
+#endif /* HAVE_NETLINK */
}
int if_prefix_delete_ipv6(struct interface *ifp, struct connected *ifc)
{
- int ret;
- struct prefix_ipv6 *p;
- struct in6_ifreq ifreq;
-
- p = (struct prefix_ipv6 *)ifc->address;
-
- memset(&ifreq, 0, sizeof(struct in6_ifreq));
-
- memcpy(&ifreq.ifr6_addr, &p->prefix, sizeof(struct in6_addr));
- ifreq.ifr6_ifindex = ifp->ifindex;
- ifreq.ifr6_prefixlen = p->prefixlen;
-
- ret = if_ioctl_ipv6(SIOCDIFADDR, (caddr_t)&ifreq);
-
- return ret;
+#ifdef HAVE_NETLINK
+ return kernel_address_delete_ipv6(ifp, ifc);
+#endif /* HAVE_NETLINK */
}
#else /* LINUX_IPV6 */
#ifdef HAVE_STRUCT_IN6_ALIASREQ
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