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fortify: set SUID_DUMP_DISABLE after flag parse 

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>
This commit is contained in:
Ophestra Umiker 2024-10-13 00:09:14 +09:00
parent c818ea649a
commit f320dfc2ee
Signed by: cat
SSH Key Fingerprint: SHA256:gQ67O0enBZ7UdZypgtspB2FDM1g3GVw8nX0XSdcFw8Q
1 changed files with 8 additions and 0 deletions
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8
main.go
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@ -4,6 +4,7 @@ import (
"flag"
"fmt"
"os"
"syscall"
"git.ophivana.moe/cat/fortify/internal"
"git.ophivana.moe/cat/fortify/internal/app"
@ -23,6 +24,13 @@ func main() {
flag.Parse()
verbose.Set(flagVerbose)
// linux/sched/coredump.h
if _, _, errno := syscall.RawSyscall(syscall.SYS_PRCTL, syscall.PR_SET_DUMPABLE, 0, 0); errno != 0 {
fmt.Printf("fortify: cannot set SUID_DUMP_DISABLE: %s", errno.Error())
} else {
verbose.Println("prctl(PR_SET_DUMPABLE, SUID_DUMP_DISABLE) succeeded")
}
if internal.SdBootedV {
verbose.Println("system booted with systemd as init system")
}