diff options
Diffstat (limited to 'tests/07-sim-db_bug_looping.c')
-rw-r--r-- | tests/07-sim-db_bug_looping.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/tests/07-sim-db_bug_looping.c b/tests/07-sim-db_bug_looping.c new file mode 100644 index 0000000..e3fec81 --- /dev/null +++ b/tests/07-sim-db_bug_looping.c @@ -0,0 +1,68 @@ +/** + * Seccomp Library test program + * + * Copyright IBM Corp. 2012 + * Author: Ashley Lai <adlai@us.ibm.com> + */ + +/* + * This library 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 library is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, see <http://www.gnu.org/licenses>. + */ + +#include <errno.h> +#include <unistd.h> + +#include <seccomp.h> + +#include "util.h" + +int main(int argc, char *argv[]) +{ + int rc; + struct util_options opts; + scmp_filter_ctx ctx = NULL; + + rc = util_getopt(argc, argv, &opts); + if (rc < 0) + goto out; + + ctx = seccomp_init(SCMP_ACT_KILL); + if (ctx == NULL) + return ENOMEM; + + /* The next three seccomp_rule_add_exact() calls for read must + * go together in this order to catch an infinite loop. */ + + rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 1, + SCMP_A0(SCMP_CMP_EQ, STDOUT_FILENO)); + if (rc != 0) + goto out; + + rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 1, + SCMP_A1(SCMP_CMP_EQ, 0x0)); + if (rc != 0) + goto out; + + rc = seccomp_rule_add_exact(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 1, + SCMP_A0(SCMP_CMP_EQ, STDIN_FILENO)); + if (rc != 0) + goto out; + + rc = util_filter_output(&opts, ctx); + if (rc) + goto out; + +out: + seccomp_release(ctx); + return (rc < 0 ? -rc : rc); +} |