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|
package cmds
import (
"fmt"
"os"
"os/user"
"strconv"
"strings"
"syscall"
)
func test(args []string) int {
if len(args) <= 2 {
return 1
}
if strings.HasPrefix(args[1], "-") {
return genTest(args[1:])
} else {
n, err := strconv.Atoi(args[1])
if err != nil {
return testString(args[1:])
} else {
fmt.Println(n)
}
}
return 1
}
func testString(args []string) int {
ret := 1
switch args[1] {
case "=":
if args[0] == args[2] {
ret = 0
}
break
case "!=":
if args[0] != args[2] {
ret = 0
}
break
}
return ret
}
func genTest(args []string) int {
ret := 1
switch args[0] {
case "-n":
if len(args[1]) > 0 {
return 0
}
break
case "-z":
if len(args[1]) == 0 {
return 0
}
break
}
fi, err := os.Lstat(args[1])
c, _ := user.Current()
if err != nil {
return ret
}
s := fi.Sys().(*syscall.Stat_t)
switch args[0] {
case "-e":
ret = 0
break
case "-f":
if !fi.IsDir() {
ret = 0
}
break
case "-d":
if fi.IsDir() {
ret = 0
}
break
case "-r":
if fi.Mode().Perm()&0400 != 0 {
ret = 0
}
break
case "-w":
if fi.Mode().Perm()&0200 != 0 {
ret = 0
}
break
case "-x":
if fi.Mode().Perm()&0100 != 0 {
ret = 0
}
break
case "-S":
if fi.Size() > 0 {
ret = 0
}
break
case "-L":
if fi.Mode()&os.ModeSymlink != 0 {
ret = 0
}
break
case "-O":
if c.Uid == strconv.Itoa(int(s.Uid)) {
ret = 0
}
break
case "-G":
if c.Gid == strconv.Itoa(int(s.Gid)) {
ret = 0
}
break
}
return ret
}
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