Adding upstream version 1.8.27.upstream/1.8.27upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 232 insertions, 0 deletions

diff --git a/plugins/sudoers/auth/securid5.c b/plugins/sudoers/auth/securid5.c
new file mode 100644
index 0000000..ca75c56
--- /dev/null
+++ b/plugins/sudoers/auth/securid5.c
@@ -0,0 +1,232 @@
+/*
+ * Copyright (c) 1999-2005, 2007, 2010-2012, 2014-2016
+ *	Todd C. Miller <Todd.Miller@sudo.ws>
+ * Copyright (c) 2002 Michael Stroucken <michael@stroucken.org>
+ *
+ * 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.
+ *
+ * Sponsored in part by the Defense Advanced Research Projects
+ * Agency (DARPA) and Air Force Research Laboratory, Air Force
+ * Materiel Command, USAF, under agreement number F39502-99-1-0512.
+ */
+
+/*
+ * This is an open source non-commercial project. Dear PVS-Studio, please check it.
+ * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+ */
+
+#include <config.h>
+
+#ifdef HAVE_SECURID
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif /* HAVE_STRINGS_H */
+#include <unistd.h>
+#include <pwd.h>
+
+/* Needed for SecurID v5.0 Authentication on UNIX */
+#define UNIX 1
+#include <acexport.h>
+#include <sdacmvls.h>
+
+#include "sudoers.h"
+#include "sudo_auth.h"
+
+/*
+ * securid_init - Initialises communications with ACE server
+ * Arguments in:
+ *     pw - UNUSED
+ *     auth - sudo authentication structure
+ *
+ * Results out:
+ *     auth - auth->data contains pointer to new SecurID handle
+ *     return code - Fatal if initialization unsuccessful, otherwise
+ *                   success.
+ */
+int
+sudo_securid_init(struct passwd *pw, sudo_auth *auth)
+{
+    static SDI_HANDLE sd_dat;			/* SecurID handle */
+    debug_decl(sudo_securid_init, SUDOERS_DEBUG_AUTH)
+
+    auth->data = (void *) &sd_dat;		/* For method-specific data */
+
+    /* Start communications */
+    if (AceInitialize() != SD_FALSE)
+	debug_return_int(AUTH_SUCCESS);
+
+    sudo_warnx(U_("failed to initialise the ACE API library"));
+    debug_return_int(AUTH_FATAL);
+}
+
+/*
+ * securid_setup - Initialises a SecurID transaction and locks out other
+ *     ACE servers
+ *
+ * Arguments in:
+ *     pw - struct passwd for username
+ *     promptp - UNUSED
+ *     auth - sudo authentication structure for SecurID handle
+ *
+ * Results out:
+ *     return code - Success if transaction started correctly, fatal
+ *                   otherwise
+ */
+int
+sudo_securid_setup(struct passwd *pw, char **promptp, sudo_auth *auth)
+{
+    SDI_HANDLE *sd = (SDI_HANDLE *) auth->data;
+    int retval;
+    debug_decl(sudo_securid_setup, SUDOERS_DEBUG_AUTH)
+
+    /* Re-initialize SecurID every time. */
+    if (SD_Init(sd) != ACM_OK) {
+	sudo_warnx(U_("unable to contact the SecurID server"));
+	debug_return_int(AUTH_FATAL);
+    }
+
+    /* Lock new PIN code */
+    retval = SD_Lock(*sd, pw->pw_name);
+
+    switch (retval) {
+	case ACM_OK:
+		sudo_warnx(U_("User ID locked for SecurID Authentication"));
+		debug_return_int(AUTH_SUCCESS);
+
+        case ACE_UNDEFINED_USERNAME:
+		sudo_warnx(U_("invalid username length for SecurID"));
+		debug_return_int(AUTH_FATAL);
+
+	case ACE_ERR_INVALID_HANDLE:
+		sudo_warnx(U_("invalid Authentication Handle for SecurID"));
+		debug_return_int(AUTH_FATAL);
+
+	case ACM_ACCESS_DENIED:
+		sudo_warnx(U_("SecurID communication failed"));
+		debug_return_int(AUTH_FATAL);
+
+	default:
+		sudo_warnx(U_("unknown SecurID error"));
+		debug_return_int(AUTH_FATAL);
+	}
+}
+
+/*
+ * securid_verify - Authenticates user and handles ACE responses
+ *
+ * Arguments in:
+ *     pw - struct passwd for username
+ *     pass - UNUSED
+ *     auth - sudo authentication structure for SecurID handle
+ *
+ * Results out:
+ *     return code - Success on successful authentication, failure on
+ *                   incorrect authentication, fatal on errors
+ */
+int
+sudo_securid_verify(struct passwd *pw, char *pass, sudo_auth *auth, struct sudo_conv_callback *callback)
+{
+    SDI_HANDLE *sd = (SDI_HANDLE *) auth->data;
+    int ret;
+    debug_decl(sudo_securid_verify, SUDOERS_DEBUG_AUTH)
+
+    pass = auth_getpass("Enter your PASSCODE: ", SUDO_CONV_PROMPT_ECHO_OFF,
+	callback);
+
+    /* Have ACE verify password */
+    switch (SD_Check(*sd, pass, pw->pw_name)) {
+	case ACM_OK:
+		ret = AUTH_SUCESS;
+		break;
+
+	case ACE_UNDEFINED_PASSCODE:
+		sudo_warnx(U_("invalid passcode length for SecurID"));
+		ret = AUTH_FATAL;
+		break;
+
+	case ACE_UNDEFINED_USERNAME:
+		sudo_warnx(U_("invalid username length for SecurID"));
+		ret = AUTH_FATAL;
+		break;
+
+	case ACE_ERR_INVALID_HANDLE:
+		sudo_warnx(U_("invalid Authentication Handle for SecurID"));
+		ret = AUTH_FATAL;
+		break;
+
+	case ACM_ACCESS_DENIED:
+		ret = AUTH_FAILURE;
+		break;
+
+	case ACM_NEXT_CODE_REQUIRED:
+                /* Sometimes (when current token close to expire?)
+                   ACE challenges for the next token displayed
+                   (entered without the PIN) */
+		if (pass != NULL) {
+		    memset_s(pass, SUDO_PASS_MAX, 0, strlen(pass));
+		    free(pass);
+		}
+        	pass = auth_getpass("\
+!!! ATTENTION !!!\n\
+Wait for the token code to change, \n\
+then enter the new token code.\n", \
+		SUDO_CONV_PROMPT_ECHO_OFF, callback);
+
+		if (SD_Next(*sd, pass) == ACM_OK) {
+			ret = AUTH_SUCCESS;
+			break;
+		}
+
+		ret = AUTH_FAILURE;
+		break;
+
+	case ACM_NEW_PIN_REQUIRED:
+                /*
+		 * This user's SecurID has not been activated yet,
+                 * or the pin has been reset
+		 */
+		/* XXX - Is setting up a new PIN within sudo's scope? */
+		SD_Pin(*sd, "");
+		sudo_printf(SUDO_CONV_ERROR_MSG, 
+		    "Your SecurID access has not yet been set up.\n");
+		sudo_printf(SUDO_CONV_ERROR_MSG, 
+		    "Please set up a PIN before you try to authenticate.\n");
+		ret = AUTH_FATAL;
+		break;
+
+	default:
+		sudo_warnx(U_("unknown SecurID error"));
+		ret = AUTH_FATAL;
+		break;
+    }
+
+    /* Free resources */
+    SD_Close(*sd);
+
+    if (pass != NULL) {
+	memset_s(pass, SUDO_PASS_MAX, 0, strlen(pass));
+	free(pass);
+    }
+
+    /* Return stored state to calling process */
+    debug_return_int(ret);
+}
+
+#endif /* HAVE_SECURID */