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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 13:14:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 13:14:46 +0000
commit025c439e829e0db9ac511cd9c1b8d5fd53475ead (patch)
treefa6986b4690f991613ffb97cea1f6942427baf5d /plugins/sudoers/auth/secureware.c
parentInitial commit. (diff)
downloadsudo-05ae7ad340f23eb918a40c175f781eff7823df3f.tar.xz
sudo-05ae7ad340f23eb918a40c175f781eff7823df3f.zip
Adding upstream version 1.9.15p5.upstream/1.9.15p5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plugins/sudoers/auth/secureware.c')
-rw-r--r--plugins/sudoers/auth/secureware.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/plugins/sudoers/auth/secureware.c b/plugins/sudoers/auth/secureware.c
new file mode 100644
index 0000000..a193e55
--- /dev/null
+++ b/plugins/sudoers/auth/secureware.c
@@ -0,0 +1,116 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 1998-2005, 2010-2015 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * 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_GETPRPWNAM
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <pwd.h>
+#ifdef __hpux
+# undef MAXINT
+# include <hpsecurity.h>
+#else
+# include <sys/security.h>
+#endif /* __hpux */
+#include <prot.h>
+
+#include <sudoers.h>
+#include "sudo_auth.h"
+
+#ifdef __alpha
+extern int crypt_type;
+#endif
+
+int
+sudo_secureware_init(const struct sudoers_context *ctx, struct passwd *pw,
+ sudo_auth *auth)
+{
+ debug_decl(sudo_secureware_init, SUDOERS_DEBUG_AUTH);
+
+ /* Only initialize once. */
+ if (auth->data != NULL)
+ debug_return_int(AUTH_SUCCESS);
+
+#ifdef __alpha
+ if (crypt_type == INT_MAX)
+ debug_return_int(AUTH_FAILURE); /* no shadow */
+#endif
+
+ sudo_setspent();
+ auth->data = sudo_getepw(pw);
+ sudo_endspent();
+ debug_return_int(auth->data ? AUTH_SUCCESS : AUTH_ERROR);
+}
+
+int
+sudo_secureware_verify(const struct sudoers_context *ctx, struct passwd *pw,
+ const char *pass, sudo_auth *auth, struct sudo_conv_callback *callback)
+{
+ char *pw_epasswd = auth->data;
+ char *epass = NULL;
+ debug_decl(sudo_secureware_verify, SUDOERS_DEBUG_AUTH);
+
+ /* An empty plain-text password must match an empty encrypted password. */
+ if (pass[0] == '\0')
+ debug_return_int(pw_epasswd[0] ? AUTH_FAILURE : AUTH_SUCCESS);
+
+#if defined(__alpha)
+# ifdef HAVE_DISPCRYPT
+ epass = dispcrypt(pass, pw_epasswd, crypt_type);
+# else
+ if (crypt_type == AUTH_CRYPT_BIGCRYPT)
+ epass = bigcrypt(pass, pw_epasswd);
+ else if (crypt_type == AUTH_CRYPT_CRYPT16)
+ epass = crypt(pass, pw_epasswd);
+# endif /* HAVE_DISPCRYPT */
+#elif defined(HAVE_BIGCRYPT)
+ epass = bigcrypt(pass, pw_epasswd);
+#endif /* __alpha */
+
+ if (epass != NULL && strcmp(pw_epasswd, epass) == 0)
+ debug_return_int(AUTH_SUCCESS);
+ debug_return_int(AUTH_FAILURE);
+}
+
+int
+sudo_secureware_cleanup(const struct sudoers_context *ctx, struct passwd *pw,
+ sudo_auth *auth, bool force)
+{
+ char *pw_epasswd = auth->data;
+ debug_decl(sudo_secureware_cleanup, SUDOERS_DEBUG_AUTH);
+
+ if (pw_epasswd != NULL)
+ freezero(pw_epasswd, strlen(pw_epasswd));
+ debug_return_int(AUTH_SUCCESS);
+}
+
+#endif /* HAVE_GETPRPWNAM */