Add '--elevated-install' and '--elevated-uninstall' commands to msiexec mode, cf. itchio/itch#536

fasterthanlime · fasterthanlime · commit 7f2fd1b50efb · 2016-05-07T01:18:23.000+02:00
diff --git a/src/elevate.c b/src/elevate.c
@@ -114,18 +114,25 @@ int msiexec(int argc, char** argv) {
   SAFE_APPEND("%s%s ", "/l*v");
   SAFE_APPEND("%s%s ", logPath);
 
+  char *verb = "open";
   if (strcmp(command, "--install") == 0) {
     SAFE_APPEND("%s%s ", "/i");
   } else if (strcmp(command, "--uninstall") == 0) {
     SAFE_APPEND("%s%s ", "/x");
+  } else if (strcmp(command, "--elevated-install") == 0) {
+    SAFE_APPEND("%s%s ", "/i");
+    verb = "runas";
+  } else if (strcmp(command, "--elevated-uninstall") == 0) {
+    SAFE_APPEND("%s%s ", "/x");
+    verb = "runas";
   } else {
     fprintf(stderr, "Command must be --install or --uninstall, got %s\n", command);
     msibail();
   }
 
   SAFE_APPEND("%s%s ", msiPath);
 
-  return exec("open", "msiexec", parameters);
+  return exec(verb, "msiexec", parameters);
 }
 
 /**
