*/
#include <linux/list.h>
+#include <linux/slab.h>
#include <linux/string.h>
#include <keys/user-type.h>
#include <linux/key-type.h>
+#include <linux/inet.h>
#include "cifsglob.h"
#include "cifs_spnego.h"
#include "cifs_debug.h"
* strlen(";sec=ntlmsspi") */
#define MAX_MECH_STR_LEN 13
-/* max possible addr len eg FEDC:BA98:7654:3210:FEDC:BA98:7654:3210/128 */
-#define MAX_IPV6_ADDR_LEN 43
-
/* strlen of "host=" */
#define HOST_KEY_LEN 5
/* strlen of ";user=" */
#define USER_KEY_LEN 6
+/* strlen of ";pid=0x" */
+#define PID_KEY_LEN 7
+
/* get a key struct with a SPNEGO security blob, suitable for session setup */
struct key *
cifs_get_spnego_key(struct cifsSesInfo *sesInfo)
host=hostname sec=mechanism uid=0xFF user=username */
desc_len = MAX_VER_STR_LEN +
HOST_KEY_LEN + strlen(hostname) +
- IP_KEY_LEN + MAX_IPV6_ADDR_LEN +
+ IP_KEY_LEN + INET6_ADDRSTRLEN +
MAX_MECH_STR_LEN +
UID_KEY_LEN + (sizeof(uid_t) * 2) +
- USER_KEY_LEN + strlen(sesInfo->userName) + 1;
+ USER_KEY_LEN + strlen(sesInfo->userName) +
+ PID_KEY_LEN + (sizeof(pid_t) * 2) + 1;
spnego_key = ERR_PTR(-ENOMEM);
description = kzalloc(desc_len, GFP_KERNEL);
if (server->addr.sockAddr.sin_family == AF_INET)
sprintf(dp, "ip4=%pI4", &server->addr.sockAddr.sin_addr);
else if (server->addr.sockAddr.sin_family == AF_INET6)
- sprintf(dp, "ip6=%pi6", &server->addr.sockAddr6.sin6_addr);
+ sprintf(dp, "ip6=%pI6", &server->addr.sockAddr6.sin6_addr);
else
goto out;
dp = description + strlen(description);
sprintf(dp, ";user=%s", sesInfo->userName);
+ dp = description + strlen(description);
+ sprintf(dp, ";pid=0x%x", current->pid);
+
cFYI(1, ("key description = %s", description));
spnego_key = request_key(&cifs_spnego_key_type, description, "");