From e552688b70889a4879ef16ce38bc8c95e6f447c7 Mon Sep 17 00:00:00 2001
From: Ted Gould <ted@gould.cx>
Date: Wed, 19 Sep 2012 14:35:36 -0500
Subject: Steal a bunch of test infrastructure from libpam-icaclient

---
 tests/mock_pam.c | 110 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 tests/mock_pam.c

(limited to 'tests/mock_pam.c')

diff --git a/tests/mock_pam.c b/tests/mock_pam.c
new file mode 100644
index 0000000..6368b84
--- /dev/null
+++ b/tests/mock_pam.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright © 2012 Canonical Ltd. All rights reserved.
+ *
+ * Author(s): David Barth <david.barth@canonical.com>
+ *
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "mock_pam.h"
+
+struct pam_handle {
+	void *item[PAM_NUM_ITEMS];
+
+	struct pam_conv *conv;
+
+	/* note: the other fields have been omitted */
+};
+
+int fake_conv (int num_msg, const struct pam_message **msg,
+				struct pam_response **resp, void *appdata_ptr)
+{
+	struct pam_response *response = NULL;
+	response = malloc (sizeof (struct pam_response));
+
+	if (response == NULL)
+		return PAM_BUF_ERR;
+
+	response->resp_retcode = 0;
+
+	if (strcmp((*msg)->msg, "login:") == 0)
+		response->resp = strdup ("guest"); /* IMPORTANT: this needs to be in /etc/passwd */
+	else if (strcmp((*msg)->msg, "remote login:") == 0)
+		response->resp = strdup ("ruser");
+	else if (strcmp((*msg)->msg, "remote host:") == 0)
+		response->resp = strdup ("protocol://rhost/dummy");
+	else if (strcmp((*msg)->msg, "password:") == 0)
+		response->resp = strdup ("password");
+	else if (strcmp((*msg)->msg, "domain:") == 0)
+		response->resp = strdup ("domain");
+	else
+		return PAM_SYMBOL_ERR; /* leaks... */
+
+	*resp = response;
+
+	return PAM_SUCCESS;
+}
+
+struct pam_conv static_conv = { &fake_conv, (void *)NULL };
+
+pam_handle_t *pam_handle_new (void)
+{
+	pam_handle_t *newh = malloc (sizeof (pam_handle_t));
+
+	if (newh != NULL) {
+		newh->conv = &static_conv;
+		memset(newh->item, 0, sizeof(void *) * PAM_NUM_ITEMS);
+	}
+
+	return newh;
+}
+
+int pam_get_item (const pam_handle_t *pamh, int type, const void **value)
+{
+	if (pamh == NULL)
+		return PAM_SYSTEM_ERR;
+
+	if (type == PAM_CONV)
+		*value = pamh->conv;
+	else  if (pamh->item[type] != NULL)
+		*value = pamh->item[type];
+	else 
+		*value = NULL; /* will result in a prompt conversation */
+
+	return PAM_SUCCESS;
+}
+
+int pam_set_item (pam_handle_t *pamh, int type, const void *value)
+{
+	if (pamh == NULL)
+		return PAM_SYSTEM_ERR;
+
+	void **slot, *tmp;
+	size_t nsize, osize;
+
+	slot = &pamh->item[type];
+	osize = nsize = 0;
+
+	if (*slot != NULL)
+		osize = strlen((const char *)*slot) + 1;
+	if (value != NULL)
+		nsize = strlen((const char *)value) + 1;
+
+	if (*slot != NULL) {
+		memset(*slot, 0xd0, osize);
+		free(*slot);
+	}
+
+	if (value != NULL) {
+		if ((tmp = malloc(nsize)) == NULL)
+			return PAM_BUF_ERR;
+		memcpy(tmp, value, nsize);
+	} else {
+		tmp = NULL;
+	}
+	*slot = tmp;
+
+	return PAM_SUCCESS;
+}
-- 
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