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freifunkist-firmware/package/network/services/dnsmasq/patches/110-ipset-remove-old-kernel...

65 lines
1.9 KiB

--- a/src/ipset.c
+++ b/src/ipset.c
@@ -22,7 +22,6 @@
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
-#include <sys/utsname.h>
#include <arpa/inet.h>
#include <linux/version.h>
#include <linux/netlink.h>
@@ -72,7 +71,7 @@ struct my_nfgenmsg {
#define NL_ALIGN(len) (((len)+3) & ~(3))
static const struct sockaddr_nl snl = { .nl_family = AF_NETLINK };
-static int ipset_sock, old_kernel;
+static int ipset_sock;
static char *buffer;
static inline void add_attr(struct nlmsghdr *nlh, uint16_t type, size_t len, const void *data)
@@ -87,25 +86,7 @@ static inline void add_attr(struct nlmsg
void ipset_init(void)
{
- struct utsname utsname;
- int version;
- char *split;
-
- if (uname(&utsname) < 0)
- die(_("failed to find kernel version: %s"), NULL, EC_MISC);
-
- split = strtok(utsname.release, ".");
- version = (split ? atoi(split) : 0);
- split = strtok(NULL, ".");
- version = version * 256 + (split ? atoi(split) : 0);
- split = strtok(NULL, ".");
- version = version * 256 + (split ? atoi(split) : 0);
- old_kernel = (version < KERNEL_VERSION(2,6,32));
-
- if (old_kernel && (ipset_sock = socket(AF_INET, SOCK_RAW, IPPROTO_RAW)) != -1)
- return;
-
- if (!old_kernel &&
+ if (
(buffer = safe_malloc(BUFF_SZ)) &&
(ipset_sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER)) != -1 &&
(bind(ipset_sock, (struct sockaddr *)&snl, sizeof(snl)) != -1))
@@ -217,17 +198,10 @@ int add_to_ipset(const char *setname, co
if (flags & F_IPV6)
{
af = AF_INET6;
- /* old method only supports IPv4 */
- if (old_kernel)
- {
- errno = EAFNOSUPPORT ;
- ret = -1;
- }
}
#endif
- if (ret != -1)
- ret = old_kernel ? old_add_to_ipset(setname, ipaddr, remove) : new_add_to_ipset(setname, ipaddr, af, remove);
+ ret = new_add_to_ipset(setname, ipaddr, af, remove);
if (ret == -1)
my_syslog(LOG_ERR, _("failed to update ipset %s: %s"), setname, strerror(errno));