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fix process code

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This commit is contained in:
MetaCubeX
2022-07-24 01:32:22 +08:00
parent dec32da262
commit 9be70f67ca
2 changed files with 11 additions and 32 deletions
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33
component/process/process_linux.go
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@ -8,8 +8,6 @@ import (
"net/netip"
"os"
"path"
"path/filepath"
"runtime"
"strings"
"syscall"
"unicode"
@ -39,6 +37,7 @@ func findProcessName(network string, ip netip.Addr, srcPort int) (int32, string,
if err != nil {
return -1, "", err
}
pp, err := resolveProcessNameByProcSearch(inode, uid)
return uid, pp, err
}
@ -110,7 +109,7 @@ func resolveSocketByNetlink(network string, ip netip.Addr, srcPort int) (int32,
return 0, 0, fmt.Errorf("netlink message: NLMSG_ERROR")
}
inode, uid := unpackSocketDiagResponse(&message)
inode, uid := unpackSocketDiagResponse(&messages[0])
if inode < 0 || uid < 0 {
return 0, 0, fmt.Errorf("invalid inode(%d) or uid(%d)", inode, uid)
}
@ -198,19 +197,8 @@ func resolveProcessNameByProcSearch(inode, uid int32) (string, error) {
continue
}
if runtime.GOOS == "android" {
if bytes.Equal(buffer[:n], socket) {
cmdline, err := os.ReadFile(path.Join(processPath, "cmdline"))
if err != nil {
return "", err
}
return splitCmdline(cmdline), nil
}
} else {
if bytes.Equal(buffer[:n], socket) {
return os.Readlink(path.Join(processPath, "exe"))
}
if bytes.Equal(buffer[:n], socket) {
return os.Readlink(path.Join(processPath, "exe"))
}
}
}
@ -218,19 +206,6 @@ func resolveProcessNameByProcSearch(inode, uid int32) (string, error) {
return "", fmt.Errorf("process of uid(%d),inode(%d) not found", uid, inode)
}
func splitCmdline(cmdline []byte) string {
cmdline = bytes.Trim(cmdline, " ")
idx := bytes.IndexFunc(cmdline, func(r rune) bool {
return unicode.IsControl(r) || unicode.IsSpace(r)
})
if idx == -1 {
return filepath.Base(string(cmdline))
}
return filepath.Base(string(cmdline[:idx]))
}
func isPid(s string) bool {
return strings.IndexFunc(s, func(r rune) bool {
return !unicode.IsDigit(r)