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authorBalbir Singh <balbir@linux.vnet.ibm.com>2008-09-26 11:56:34 +0000
committerBalbir Singh <balbir@linux.vnet.ibm.com>2008-09-26 11:56:34 +0000
commit35d2e11a0458a79c89816a2f0be6fb957f91873e (patch)
treed3aa75330e12baf3208cc1513094fa07bd16eddd /tests/setuid.c
parenta8f3daf54136de7e02fc2cf153ad55051ce95ab4 (diff)
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Merge the cgruleseng daemon from Steve Olivieri
Signed-off-by: Steve Olivieri <sjo@redhat.com> Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com> git-svn-id: https://libcg.svn.sourceforge.net/svnroot/libcg/trunk@190 4f4bb910-9a46-0410-90c8-c897d4f1cd53
Diffstat (limited to 'tests/setuid.c')
-rw-r--r--tests/setuid.c75
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;
+}