Add setenv/putenv regress

2 files changed, 130 insertions, 0 deletions

diff --git a/src/regress/lib/libc/env/Makefile b/src/regress/lib/libc/env/Makefile
new file mode 100644
index 0000000000..92e04369f4
--- /dev/null
+++ b/src/regress/lib/libc/env/Makefile
@@ -0,0 +1,5 @@
+#       $OpenBSD: Makefile,v 1.1 2010/08/23 22:34:37 millert Exp $
+
+PROG=   envtest
+
+.include <bsd.regress.mk>
diff --git a/src/regress/lib/libc/env/envtest.c b/src/regress/lib/libc/env/envtest.c
new file mode 100644
index 0000000000..33fc463404
--- /dev/null
+++ b/src/regress/lib/libc/env/envtest.c
@@ -0,0 +1,125 @@
+/*      $OpenBSD: envtest.c,v 1.1 2010/08/23 22:34:37 millert Exp $ */
+
+/*
+ * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+extern char **environ;
+
+static int
+count_instances(const char *name)
+{
+        int count = 0;
+        size_t namelen;
+        char **ep;
+
+        namelen = strlen(name);
+        for (ep = environ; *ep != NULL; ep++) {
+                if (strncmp(name, *ep, namelen) == 0 && (*ep)[namelen] == '=')
+                        count++;
+        }
+
+        return count;
+}
+
+static void
+fake_env(void)
+{
+        static char *fakenv[7];
+
+        fakenv[0] = "HOME=/root";
+        fakenv[1] = "USER=root";
+        fakenv[2] = "LOGNAME=root";
+        fakenv[3] = "SHELL=/bin/sh";
+        fakenv[4] = "USER=root";
+        fakenv[5] = NULL;
+
+        environ = fakenv;
+}
+
+int
+main(int argc, char *argv[])
+{
+        char *buf;
+        int n, failures = 0;
+        size_t len, bufsize;
+
+        /* Enable malloc security options. */
+        setenv("MALLOC_OPTIONS", "S", 0);
+
+        fake_env();
+        n = count_instances("USER");
+        if (n != 2) {
+                fprintf(stderr, "initial: %d instances of USER, expected %d\n",
+                    n, 2);
+                failures++;
+        }
+
+        if (unsetenv("USER") != 0) {
+                fprintf(stderr, "unsetenv: failed to remove USER\n");
+                failures++;
+        }
+        n = count_instances("USER");
+        if (n != 0) {
+                fprintf(stderr, "unsetenv: %d instances of USER, expected %d\n",
+                    n, 0);
+                failures++;
+        }
+
+        fake_env();
+        if (setenv("USER", "nobody", 0) != 0) {
+                fprintf(stderr, "setenv: failed to set USER\n");
+                failures++;
+        }
+        n = count_instances("USER");
+        if (n != 2) {
+                fprintf(stderr, "setenv: %d instances of USER, expected %d\n",
+                    n, 2);
+                failures++;
+        }
+
+        fake_env();
+        if (setenv("USER", "nobody", 1) != 0) {
+                fprintf(stderr, "setenv: failed to set USER\n");
+                failures++;
+        }
+        n = count_instances("USER");
+        if (n != 1) {
+                fprintf(stderr, "setenv: %d instances of USER, expected %d\n",
+                    n, 1);
+                failures++;
+        }
+
+        fake_env();
+        if (putenv("USER=nobody") != 0) {
+                fprintf(stderr, "putenv: failed to set USER\n");
+                failures++;
+        }
+        n = count_instances("USER");
+        if (n != 1) {
+                fprintf(stderr, "putenv: %d instances of USER, expected %d\n",
+                    n, 1);
+                failures++;
+        }
+
+        return failures;
+}