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shim: re-exec self on startup 

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>
This commit is contained in:
Ophestra Umiker 2024-10-13 16:56:10 +09:00
parent b470941911
commit 77f2c320a6
Signed by: cat
SSH Key Fingerprint: SHA256:gQ67O0enBZ7UdZypgtspB2FDM1g3GVw8nX0XSdcFw8Q
1 changed files with 9 additions and 0 deletions
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9
internal/shim/main.go
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@ -7,6 +7,7 @@ import (
"fmt" "fmt"
"net" "net"
"os" "os"
"path"
"strconv" "strconv"
"syscall" "syscall"
@ -18,6 +19,14 @@ import (
// proceed with caution! // proceed with caution!
func shim(socket string) { func shim(socket string) {
// re-exec
if len(os.Args) > 0 && os.Args[0] != "fortify" && path.IsAbs(os.Args[0]) {
if err := syscall.Exec(os.Args[0], []string{"fortify", "shim"}, os.Environ()); err != nil {
fmt.Println("fortify-shim: cannot re-exec self:", err)
// continue anyway
}
}
verbose.Prefix = "fortify-shim:" verbose.Prefix = "fortify-shim:"
// dial setup socket // dial setup socket