adjust wrapper program to pass-through TERM variable

acmetool/acmetool.c

@@ -0,0 +1,36 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define ACMETOOL_BINDIR  "@l_prefix@/bin"
+#define ACMETOOL_SBINDIR "@l_prefix@/sbin"
+#define ACMETOOL_BIN     "@l_prefix@/libexec/acmetool/acmetool"
+
+int main(int argn, char **argv)
+{
+    static char *env[] = {
+        "PATH=/bin:/usr/bin:/sbin:/usr/sbin:" ACMETOOL_BINDIR ":" ACMETOOL_SBINDIR,
+        NULL,
+        NULL
+    };
+    if (setuid(geteuid()) == -1) {
+        perror("setuid");
+        exit(1);
+    }
+    if (setgid(getegid()) == -1) {
+        perror("setgid");
+        exit(1);
+    }
+    char *term;
+    if ((term = getenv("TERM")) == NULL)
+        term = "vt100";
+    env[1] = malloc(strlen("TERM=") + strlen(term) + 1);
+    strcpy(env[1], term);
+    argv[0] = ACMETOOL_BIN;
+    if (execve(argv[0], argv, env) == -1)
+        abort();
+    return 0;
+}
+