--- /dev/null
+/*
+ * Copyright (c) 1999-2005, 2007, 2010-2011
+ * Todd C. Miller <Todd.Miller@courtesan.com>
+ * 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.
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * 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.
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <stdio.h>
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif /* STDC_HEADERS */
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif /* HAVE_STRINGS_H */
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif /* HAVE_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
+ * promptp - 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
+securid_init(struct passwd *pw, char **promptp, sudo_auth *auth)
+{
+ static SDI_HANDLE sd_dat; /* SecurID handle */
+
+ auth->data = (void *) &sd_dat; /* For method-specific data */
+
+ /* Start communications */
+ if (AceInitialize() != SD_FALSE)
+ return AUTH_SUCCESS;
+
+ warningx("failed to initialise the ACE API library");
+ return 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
+securid_setup(struct passwd *pw, char **promptp, sudo_auth *auth)
+{
+ SDI_HANDLE *sd = (SDI_HANDLE *) auth->data;
+ int retval;
+
+ /* Re-initialize SecurID every time. */
+ if (SD_Init(sd) != ACM_OK) {
+ warningx("unable to contact the SecurID server");
+ return AUTH_FATAL;
+ }
+
+ /* Lock new PIN code */
+ retval = SD_Lock(*sd, pw->pw_name);
+
+ switch (retval) {
+ case ACM_OK:
+ warningx("User ID locked for SecurID Authentication");
+ return AUTH_SUCCESS;
+
+ case ACE_UNDEFINED_USERNAME:
+ warningx("invalid username length for SecurID");
+ return AUTH_FATAL;
+
+ case ACE_ERR_INVALID_HANDLE:
+ warningx("invalid Authentication Handle for SecurID");
+ return AUTH_FATAL;
+
+ case ACM_ACCESS_DENIED:
+ warningx("SecurID communication failed");
+ return AUTH_FATAL;
+
+ default:
+ warningx("unknown SecurID error");
+ return 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
+securid_verify(struct passwd *pw, char *pass, sudo_auth *auth)
+{
+ SDI_HANDLE *sd = (SDI_HANDLE *) auth->data;
+ int rval;
+
+ pass = auth_getpass("Enter your PASSCODE: ",
+ def_passwd_timeout * 60, SUDO_CONV_PROMPT_ECHO_OFF);
+
+ /* Have ACE verify password */
+ switch (SD_Check(*sd, pass, pw->pw_name)) {
+ case ACM_OK:
+ rval = AUTH_SUCESS;
+ break;
+
+ case ACE_UNDEFINED_PASSCODE:
+ warningx("invalid passcode length for SecurID");
+ rval = AUTH_FATAL;
+ break;
+
+ case ACE_UNDEFINED_USERNAME:
+ warningx("invalid username length for SecurID");
+ rval = AUTH_FATAL;
+ break;
+
+ case ACE_ERR_INVALID_HANDLE:
+ warningx("invalid Authentication Handle for SecurID");
+ rval = AUTH_FATAL;
+ break;
+
+ case ACM_ACCESS_DENIED:
+ rval = 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) */
+ pass = auth_getpass("\
+!!! ATTENTION !!!\n\
+Wait for the token code to change, \n\
+then enter the new token code.\n", \
+ def_passwd_timeout * 60, SUDO_CONV_PROMPT_ECHO_OFF);
+
+ if (SD_Next(*sd, pass) == ACM_OK) {
+ rval = AUTH_SUCCESS;
+ break;
+ }
+
+ rval = 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, "");
+ fprintf(stderr, "Your SecurID access has not yet been set up.\n");
+ fprintf(stderr, "Please set up a PIN before you try to authenticate.\n");
+ rval = AUTH_FATAL;
+ break;
+
+ default:
+ warningx("unknown SecurID error");
+ rval = AUTH_FATAL;
+ break;
+ }
+
+ /* Free resources */
+ SD_Close(*sd);
+
+ /* Return stored state to calling process */
+ return rval;
+}
projects / debian / sudo / blobdiff