cifs: add pid of initiating process to spnego upcall info (c4c1bff6) · Commits · 戴 / test

fs/cifs/cifs_spnego.c

+8 −1

Original line number	Diff line number	Diff line
		@@ -86,6 +86,9 @@ struct key_type cifs_spnego_key_type = {
		/* 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)
		@@ -103,7 +106,8 @@ cifs_get_spnego_key(struct cifsSesInfo *sesInfo)
		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);
		@@ -141,6 +145,9 @@ cifs_get_spnego_key(struct cifsSesInfo *sesInfo)
		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, "");