regression tests for bugs in first versions of new passwd code

diff --git a/src/regression/getpwnam_r-crash.c b/src/regression/getpwnam_r-crash.c
new file mode 100644 (file)
index 0000000..1e65b7d
--- /dev/null
+++ b/src/regression/getpwnam_r-crash.c
@@ -0,0 +1,13 @@
+// commit fc5a96c9c8aa186effad7520d5df6b616bbfd29d
+// getpwnam_r should not crash on nonexistant users when errno is 0
+
+#include <pwd.h>
+#include "test.h"
+
+int main(void)
+{
+       struct passwd *pw, pwbuf;
+       char buf[1024];
+       getpwnam_r("nonsensical_user", &pwbuf, buf, sizeof buf, &pw);
+       return t_status;
+}

diff --git a/src/regression/getpwnam_r-errno.c b/src/regression/getpwnam_r-errno.c
new file mode 100644 (file)
index 0000000..bb8685e
--- /dev/null
+++ b/src/regression/getpwnam_r-errno.c
@@ -0,0 +1,17 @@
+// commit 0afef1aa24b784c86ae6121ca39e999824086c7c
+// preexisting errno should not be interpreted by passwd/group functions
+
+#include <pwd.h>
+#include <errno.h>
+#include "test.h"
+
+int main(void)
+{
+       int baderr = EOWNERDEAD; // arbitrary absurd error
+       struct passwd *pw, pwbuf;
+       char buf[1024];
+       errno = baderr;
+       if (getpwnam_r("nonsensical_user", &pwbuf, buf, sizeof buf, &pw) == baderr)
+               t_error("getpwnam_r used preexisting errno for nonexisting user\n");
+       return t_status;
+}