1 files changed, 93 insertions, 0 deletions
diff --git a/Linux-PAM/libpam/pam_strerror.c b/Linux-PAM/libpam/pam_strerror.c
new file mode 100644
index 00000000..788c7a51
--- /dev/null
+++ b/Linux-PAM/libpam/pam_strerror.c
@@ -0,0 +1,93 @@
+/* pam_strerror.c */
+
+/*
+ * $Id: pam_strerror.c,v 1.4 2005/01/07 15:31:26 t8m Exp $
+ */
+
+#include "pam_private.h"
+
+const char *pam_strerror(pam_handle_t *pamh, int errnum)
+{
+#ifdef UGLY_HACK_FOR_PRIOR_BEHAVIOR_SUPPORT  /* will be removed from v 1.0 */
+
+    int possible_error;
+
+    possible_error = (int) pamh;
+    if (!(possible_error >= 0 && possible_error <= PAM_BAD_ITEM)) {
+	possible_error = errnum;
+    }
+
+/* mask standard behavior to use possible_error variable. */
+#define errnum possible_error
+
+#endif /* UGLY_HACK_FOR_PRIOR_BEHAVIOR_SUPPORT */
+
+    switch (errnum) {
+    case PAM_SUCCESS:
+	return "Success";
+    case PAM_ABORT:
+	return "Critical error - immediate abort";
+    case PAM_OPEN_ERR:
+	return "dlopen() failure";
+    case PAM_SYMBOL_ERR:
+	return "Symbol not found";
+    case PAM_SERVICE_ERR:
+	return "Error in service module";
+    case PAM_SYSTEM_ERR:
+	return "System error";
+    case PAM_BUF_ERR:
+	return "Memory buffer error";
+    case PAM_PERM_DENIED:
+	return "Permission denied";
+    case PAM_AUTH_ERR:
+	return "Authentication failure";
+    case PAM_CRED_INSUFFICIENT:
+	return "Insufficient credentials to access authentication data";
+    case PAM_AUTHINFO_UNAVAIL:
+	return "Authentication service cannot retrieve authentication info.";
+    case PAM_USER_UNKNOWN:
+	return "User not known to the underlying authentication module";
+    case PAM_MAXTRIES:
+	return "Have exhausted maximum number of retries for service.";
+    case PAM_NEW_AUTHTOK_REQD:
+	return "Authentication token is no longer valid; new one required.";
+    case PAM_ACCT_EXPIRED:
+	return "User account has expired";
+    case PAM_SESSION_ERR:
+	return "Cannot make/remove an entry for the specified session";
+    case PAM_CRED_UNAVAIL:
+	return "Authentication service cannot retrieve user credentials";
+    case PAM_CRED_EXPIRED:
+	return "User credentials expired";
+    case PAM_CRED_ERR:
+	return "Failure setting user credentials";
+    case PAM_NO_MODULE_DATA:
+	return "No module specific data is present";
+    case PAM_BAD_ITEM:
+	return "Bad item passed to pam_*_item()";
+    case PAM_CONV_ERR:
+	return "Conversation error";
+    case PAM_AUTHTOK_ERR:
+	return "Authentication token manipulation error";
+    case PAM_AUTHTOK_RECOVER_ERR:
+	return "Authentication information cannot be recovered";
+    case PAM_AUTHTOK_LOCK_BUSY:
+	return "Authentication token lock busy";
+    case PAM_AUTHTOK_DISABLE_AGING:
+	return "Authentication token aging disabled";
+    case PAM_TRY_AGAIN:
+	return "Failed preliminary check by password service";
+    case PAM_IGNORE:
+	return "The return value should be ignored by PAM dispatch";
+    case PAM_MODULE_UNKNOWN:
+	return "Module is unknown";
+    case PAM_AUTHTOK_EXPIRED:
+	return "Authentication token expired";
+    case PAM_CONV_AGAIN:
+	return "Conversation is waiting for event";
+    case PAM_INCOMPLETE:
+	return "Application needs to call libpam again";
+    }
+
+    return "Unknown PAM error";
+}