hfingerd

commit 2fbfb8b474c0be90c13f10ef5317340c06bc8717
parent 24fa6b6d5dc38c48b5546bf5a709a6b262c8d470
Author: hhvn <dev@hhvn.uk>
Date:   Sat,  5 Jun 2021 23:39:53 +0100

main.c handler.c: enable/disable "CGI"

Diffstat:
M
handler.c
 | 
6
++++++
M
main.c
 | 
9
++++++++-

2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/handler.c b/handler.c
@@ -10,6 +10,7 @@
 #include "main.h"
 
 extern char *planfile;
+extern int usecgi;
 
 void
 get_userlist(int fd) {
@@ -73,6 +74,11 @@ get_plan(int fd, char *user) {
 	}
 
 	if (access(path, X_OK) == 0) {
+		if (!usecgi) {
+			dprintf(fd, "Error: executable files disabled in daemon\n");
+			verbose("Ignoring executable: %s\n", path);
+			return;
+		}
 		/* executable */
 		switch (pid = fork()) {
 		case -1:
diff --git a/main.c b/main.c
@@ -21,12 +21,13 @@
 char *host = "localhost",
      *port = "79",
      *planfile = ".plan";
+int usecgi = 1; /* except this bool */
 
 char *argv0;
 
 void
 usage(void) {
-	printf("usage: %s [-h host] [-p port] [-f planfile]\n", basename(argv0));
+	printf("usage: %s [-Cc] [-h host] [-p port] [-f planfile]\n", basename(argv0));
 	exit(EXIT_USAGE);
 }
 
@@ -135,6 +136,12 @@ main(int argc, char *argv[]) {
 	case 'f':
 		planfile = EARGF(usage());
 		break;
+	case 'c':
+		usecgi = 1;
+		break;
+	case 'C':
+		usecgi = 0;
+		break;
 	} ARGEND;
 
 	memset(&hints, 0, sizeof(hints));