testing

1 files changed, 105 insertions, 0 deletions

diff --git a/test/seccomp-extra/memwrexe.c b/test/seccomp-extra/memwrexe.c
new file mode 100644
index 000000000..548320df9
--- /dev/null
+++ b/test/seccomp-extra/memwrexe.c
@@ -0,0 +1,105 @@
+// This file is part of Firejail project
+// Copyright (C) 2014-2023 Firejail Authors
+// License GPL v2
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
+
+static void usage(void) {
+        printf("memwrexe options\n");
+        printf("where options is:\n");
+        printf("\tmmap - mmap test\n");
+        printf("\tmprotect - mprotect test\n");
+        printf("\tmemfd_create - memfd_create test\n");
+}
+
+int main(int argc, char **argv) {
+        if (argc != 2) {
+                fprintf(stderr, "TESTING ERROR: memwrexe insufficient params\n");
+                usage();
+                return 1;
+        }
+
+        if (strcmp(argv[1], "mmap") == 0) {
+                // open some file
+                int fd = open("memwrexe.c", O_RDONLY);
+                if (fd == -1) {
+                        fprintf(stderr, "TESTING ERROR: file not found, cannot run mmap test\n");
+                        return 1;
+                }
+
+                int size = lseek(fd, 0, SEEK_END);
+                if (size == -1) {
+                        fprintf(stderr, "TESTING ERROR: file not found, cannot run mmap test\n");
+                        return 1;
+                }
+
+                void *p = mmap (0, size, PROT_WRITE|PROT_READ|PROT_EXEC, MAP_SHARED, fd, 0);
+                if (p == MAP_FAILED) {
+                        printf("mmap failed\n");
+                        return 0;
+                }
+
+                printf("mmap successful\n");
+
+                // wait for expect to timeout
+                sleep(100);
+
+                return 0;
+        }
+
+        else if (strcmp(argv[1], "mprotect") == 0) {
+                // open some file
+                int fd = open("memwrexe.c", O_RDWR);
+                if (fd == -1) {
+                        fprintf(stderr, "TESTING ERROR: file not found, cannot run mmap test\n");
+                        return 1;
+                }
+
+                int size = lseek(fd, 0, SEEK_END);
+                if (size == -1) {
+                        fprintf(stderr, "TESTING ERROR: file not found, cannot run mmap test\n");
+                        return 1;
+                }
+
+                void *p = mmap (0, size, PROT_READ, MAP_SHARED, fd, 0);
+                if (p == MAP_FAILED) {
+                        fprintf(stderr, "TESTING ERROR: cannot map file for mprotect test\n");
+                        return 1;
+                }
+
+                int rv = mprotect(p, size, PROT_READ|PROT_WRITE|PROT_EXEC);
+                if (rv) {
+                        printf("mprotect failed\n");
+                        return 1;
+                }
+
+                printf("mprotect successful\n");
+
+                // wait for expect to timeout
+                sleep(100);
+
+                return 0;
+        }
+
+        else if (strcmp(argv[1], "memfd_create") == 0) {
+                int fd = syscall(SYS_memfd_create, "memfd_create", 0);
+                if (fd == -1) {
+                        printf("memfd_create failed\n");
+                        return 1;
+                }
+                printf("memfd_create successful\n");
+
+                // wait for expect to timeout
+                sleep(100);
+
+                return 0;
+        }
+}