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Merge "net: qrtr: Add permission rules for QTI targets"

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qctecmdr 2019-10-14 18:42:18 -07:00 • committed by Gerrit - the friendly Code Review server
commit edb76bb237
1 changed files with 7 additions and 4 deletions
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11
net/qrtr/qrtr.c
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@ -11,6 +11,7 @@
#include <linux/spinlock.h>
#include <linux/wait.h>
#include <linux/rwsem.h>
#include <linux/uidgid.h>
#include <net/sock.h>
@ -27,6 +28,8 @@
#define QRTR_STATE_MULTI -2
#define QRTR_STATE_INIT -1
#define AID_VENDOR_QRTR KGIDT_INIT(2906)
/**
* struct qrtr_hdr_v1 - (I|R)PCrouter packet header version 1
* @version: protocol version
@ -1044,7 +1047,10 @@ static int qrtr_port_assign(struct qrtr_sock *ipc, int *port)
QRTR_MAX_EPH_SOCKET + 1, GFP_ATOMIC);
if (rc >= 0)
*port = rc;
} else if (*port < QRTR_MIN_EPH_SOCKET && !capable(CAP_NET_ADMIN)) {
} else if (*port < QRTR_MIN_EPH_SOCKET &&
!(capable(CAP_NET_ADMIN) ||
in_egroup_p(AID_VENDOR_QRTR) ||
in_egroup_p(GLOBAL_ROOT_GID))) {
rc = -EACCES;
} else if (*port == QRTR_PORT_CTRL) {
rc = idr_alloc(&qrtr_ports, ipc, 0, 1, GFP_ATOMIC);
@ -1645,9 +1651,6 @@ static int qrtr_addr_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
if (!netlink_capable(skb, CAP_NET_ADMIN))
return -EPERM;
if (!netlink_capable(skb, CAP_SYS_ADMIN))
return -EPERM;
ASSERT_RTNL();
rc = nlmsg_parse_deprecated(nlh, sizeof(*ifm), tb, IFA_MAX,