diff options
Diffstat (limited to 'tests/setuid.c')
-rw-r--r-- | tests/setuid.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/tests/setuid.c b/tests/setuid.c new file mode 100644 index 0000000..9d77850 --- /dev/null +++ b/tests/setuid.c @@ -0,0 +1,75 @@ +/* + * Copyright Red Hat Inc. 2008 + * + * Author: Steve Olivieri <sjo@redhat.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <unistd.h> +#include <pwd.h> +#include <grp.h> +#include <errno.h> +#include <string.h> + +/* + * This is just a simple program for changing a UID or a GID. Comment out + * whichever block you don't want to use. + */ +int main(int argc, char *argv[]) +{ + /* User data */ + struct passwd *pwd; + + /* UID of user */ + uid_t uid; + + /* Group data */ + struct group *grp; + + /* GID of group */ + gid_t gid; + + /* Return codes */ + int ret; + + pwd = getpwnam(argv[1]); + uid = pwd->pw_uid; + fprintf(stdout, "Setting UID to %s (%d).\n", pwd->pw_name, uid); + if ((ret = setuid(uid))) { + fprintf(stderr, "Call to setuid() failed with error: %s\n", + strerror(errno)); + ret = -errno; + goto finished; + } + +// while(1) { +// grp = getgrnam("root"); +// gid = grp->gr_gid; +// fprintf(stdout, "Setting GID to %s (%d).\n", +// grp->gr_name, gid); +// if ((ret = setgid(gid))) { +// fprintf(stderr, "Call to setgid() failed with error:" +// " %s\n", strerror(errno)); +// ret = -errno; +// goto finished; +// } +// } + + while (1) { + usleep(3000000); + } + +finished: + return ret; +} |