/* $OpenBSD: sgidexec_none.c,v 1.3 2021/12/15 18:42:38 anton Exp $ */ /* * Written by Bret Stephen Lambert 2014 * Public Domain. */ #include #include #include #include #include #include #include #include #include #include #include #include "setuid_regress.h" int main(int argc, char *argv[]) { struct kinfo_proc kproc; char *toexec = NULL; if (argc > 1) { argv++; if ((toexec = strdup(argv[0])) == NULL) err(1, "strdup"); } /* should only respond to setgid upon exec */ if (issetugid()) errx(1, "process incorrectly marked as issetugid()"); if (read_kproc_pid(&kproc, getpid()) == -1) err(1, "kproc read failed"); if (kproc.p_psflags & PS_SUGID) errx(1, "PS_SUGID not set"); if (kproc.p_psflags & PS_SUGIDEXEC) errx(1, "PS_SUGIDEXEC incorrectly set"); if (toexec != NULL) if (execv(toexec, argv) == -1) err(1, "exec of %s failed", toexec); free(toexec); exit(0); }