add Uids field to net_linux

net/net.go

@@ -39,13 +39,14 @@ type Addr struct {
 }
 
 type ConnectionStat struct {
-	Fd     uint32 `json:"fd"`
+	Fd     uint32  `json:"fd"`
-	Family uint32 `json:"family"`
+	Family uint32  `json:"family"`
-	Type   uint32 `json:"type"`
+	Type   uint32  `json:"type"`
-	Laddr  Addr   `json:"localaddr"`
+	Laddr  Addr    `json:"localaddr"`
-	Raddr  Addr   `json:"remoteaddr"`
+	Raddr  Addr    `json:"remoteaddr"`
-	Status string `json:"status"`
+	Status string  `json:"status"`
-	Pid    int32  `json:"pid"`
+	Uids   []int32 `json:"uids"`
+	Pid    int32   `json:"pid"`
 }
 
 // System wide stats about different network protocols

net/net_linux.go

@@ -14,6 +14,7 @@ import (
 	"syscall"
 
 	"github.com/shirou/gopsutil/internal/common"
+	"github.com/shirou/gopsutil/process"
 )
 
 // NetIOCounters returnes network I/O statistics for every network
@@ -281,6 +282,7 @@ type connTmp struct {
 	laddr    Addr
 	raddr    Addr
 	status   string
+	uids     []int32
 	pid      int32
 	boundPid int32
 	path     string
@@ -338,6 +340,7 @@ func ConnectionsPid(kind string, pid int32) ([]ConnectionStat, error) {
 				Type:   c.sockType,
 				Laddr:  c.laddr,
 				Raddr:  c.raddr,
+				Uids:   c.uids,
 				Status: c.status,
 				Pid:    c.pid,
 			}
@@ -346,6 +349,11 @@ func ConnectionsPid(kind string, pid int32) ([]ConnectionStat, error) {
 			} else {
 				conn.Pid = c.pid
 			}
+
+			// fetch process owner Real, effective, saved set, and filesystem UIDs
+			proc := process.Process{Pid: conn.Pid}
+			conn.Uids, _ = proc.Uids()
+
 			// check duplicate using JSON format
 			json := conn.String()
 			_, exists := dupCheckMap[json]