Squash commits for public release

test/runner/main.c

@@ -0,0 +1,84 @@
+#include <dirent.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#define BUF_SIZE 4096
+char buf[BUF_SIZE];
+char namebuf[256];
+
+struct linux_dirent {
+    uint32_t inode;
+    uint16_t rec_len;
+    uint8_t name_len;
+    uint8_t file_type;
+    char* name;
+};
+
+void test_failed(const char* reason)
+{
+    printf("[FAILED] %s\n", reason);
+    fflush(stdout);
+    exit(1);
+}
+
+void test_ok(const char* name)
+{
+    printf("[OK] %s\n", name);
+    fflush(stdout);
+}
+
+int main(int argc, char** argv)
+{
+    int fd, nread;
+    struct linux_dirent* d;
+    int bpos;
+
+    setenv("PATH", "/bin:/usr/bin:/test_bin", 1);
+
+    fd = open("/test_bin", O_RDONLY | O_DIRECTORY);
+    if (fd < 0) {
+        test_failed("can't open /test_bin\n");
+    }
+
+    for (;;) {
+        nread = getdents(fd, buf, BUF_SIZE);
+        if (nread < 0) {
+            test_failed("can't read dir");
+        }
+
+        if (nread == 0)
+            break;
+
+        for (bpos = 0; bpos < nread;) {
+            d = (struct linux_dirent*)(buf + bpos);
+            if (((char*)&d->name)[0] != '.') {
+                int pid = fork();
+                if (pid) {
+                    int out = 0;
+                    waitpid(pid, &out, 0);
+                    if (out != 0) {
+                        test_failed((char*)&d->name);
+                    } else {
+                        test_ok((char*)&d->name);
+                    }
+                } else {
+                    setuid(10);
+                    setgid(10);
+                    sprintf(namebuf, "/test_bin/%s", (char*)&d->name);
+                    execlp(namebuf, namebuf, NULL);
+                    exit(0);
+                }
+            }
+            bpos += d->rec_len;
+        }
+    }
+
+    printf("[ALL TESTS PASSED]\n\n");
+    fflush(stdout);
+    return 0;
+}