fortify: print comp values early

Signed-off-by: Ophestra <cat@gensokyo.uk>

cmd/fpkg/main.go

@@ -62,6 +62,10 @@ func main() {
 		if flagVerbose {
 			seccomp.CPrintln = log.Println
 		}
+
+		// read comp values early to allow for early failure
+		fmsg.Verbosef("version %s", internal.Version())
+		fmsg.Verbosef("setuid helper at %s", internal.MustFsuPath())
 		return nil
 	}).
 		Flag(&flagVerbose, "v", command.BoolFlag(false), "Print debug messages to the console").

main.go

@@ -73,6 +73,10 @@ func buildCommand(out io.Writer) command.Command {
 		if flagVerbose {
 			seccomp.CPrintln = log.Println
 		}
+
+		// read comp values early to allow for early failure
+		fmsg.Verbosef("version %s", internal.Version())
+		fmsg.Verbosef("setuid helper at %s", internal.MustFsuPath())
 		return nil
 	}).
 		Flag(&flagVerbose, "v", command.BoolFlag(false), "Print debug messages to the console").

test/test.py

@@ -83,7 +83,8 @@ machine.succeed(
     "fortify-fhs -c '(cd /tmp/src && go generate ./... && go test ./... && touch /tmp/success-gotest)' &> /tmp/gotest &")
 
 # To check fortify's version:
-print(machine.succeed("sudo -u alice -i fortify version"))
+fortifyVersion = machine.succeed("sudo -u alice -i fortify version")
+print(fortifyVersion)
 
 # Wait for Sway to complete startup:
 machine.wait_for_file("/run/user/1000/wayland-1")
@@ -101,7 +102,7 @@ print(machine.fail("sudo -u alice -i fsu"))
 # Verify PrintBaseError behaviour:
 if denyOutput != "fsu: uid 1001 is not in the fsurc file\n":
     raise Exception(f"unexpected deny output:\n{denyOutput}")
-if denyOutputVerbose != "fsu: uid 1001 is not in the fsurc file\nfortify: *cannot obtain uid from fsu: permission denied\n":
+if denyOutputVerbose != f"fortify: version {fortifyVersion}fortify: setuid helper at /run/wrappers/bin/fsu\nfsu: uid 1001 is not in the fsurc file\nfortify: *cannot obtain uid from fsu: permission denied\n":
     raise Exception(f"unexpected deny verbose output:\n{denyOutputVerbose}")
 
 # Start fortify permissive defaults outside Wayland session: