"Fix" broken launchd injection stuff.

1 files changed, 45 insertions, 0 deletions

diff --git a/ios-bootstrap/unrestrict.c b/ios-bootstrap/unrestrict.c
new file mode 100644
index 0000000..e9ab4eb
--- /dev/null
+++ b/ios-bootstrap/unrestrict.c
@@ -0,0 +1,45 @@
+#include "substitute.h"
+#include "substitute-internal.h"
+#include <stdlib.h>
+#include <syslog.h>
+#include <errno.h>
+#include <stdio.h>
+
+int main(int argc, char **argv) {
+    if (argc != 3) {
+        syslog(LOG_EMERG, "unrestrict: wrong number of args");
+        return 1;
+    }
+    const char *pids = argv[1];
+    char *end;
+    long pid = strtol(pids, &end, 10);
+    if (!pids[0] || *end) {
+        syslog(LOG_EMERG, "unrestrict: pid not an integer");
+        return 1;
+    }
+
+    const char *should_resume = argv[2];
+    if (strcmp(should_resume, "0") && strcmp(should_resume, "1")) {
+        syslog(LOG_EMERG, "unrestrict: should_resume not 0 or 1");
+        return 1;
+    }
+
+    /* double fork to avoid zombies */
+    int ret = fork();
+    if (ret == -1) {
+        syslog(LOG_EMERG, "unrestrict: fork: %s", strerror(errno));
+        return 1;
+    } else if (ret) {
+        return 0;
+    }
+
+    char *err = NULL;
+    int sret = substitute_ios_unrestrict((pid_t) pid, should_resume[0] == '1', &err);
+    if (sret) {
+        syslog(LOG_EMERG, "unrestrict: substitute_ios_unrestrict => %d (%s)",
+               sret, err);
+        return 1;
+    }
+
+    return 0;
+}