1 files changed, 139 insertions, 0 deletions
diff --git a/plugins/sudoers/getspwuid.c b/plugins/sudoers/getspwuid.c
new file mode 100644
index 0000000..dd5092d
--- /dev/null
+++ b/plugins/sudoers/getspwuid.c
@@ -0,0 +1,139 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 1996, 1998-2005, 2010-2012, 2014-2015
+ *	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>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <pwd.h>
+#ifdef HAVE_GETSPNAM
+# include <shadow.h>
+#endif /* HAVE_GETSPNAM */
+#ifdef HAVE_GETPRPWNAM
+# ifdef __hpux
+#  undef MAXINT
+#  include <hpsecurity.h>
+# else
+#  include <sys/security.h>
+# endif /* __hpux */
+# include <prot.h>
+#endif /* HAVE_GETPRPWNAM */
+
+#include <sudoers.h>
+
+/*
+ * Exported for auth/secureware.c
+ */
+#if defined(HAVE_GETPRPWNAM) && defined(__alpha)
+int crypt_type = INT_MAX;
+#endif /* HAVE_GETPRPWNAM && __alpha */
+
+/*
+ * Return a copy of the encrypted password for the user described by pw.
+ * If shadow passwords are in use, look in the shadow file.
+ */
+char *
+sudo_getepw(const struct passwd *pw)
+{
+    char *epw = NULL;
+    debug_decl(sudo_getepw, SUDOERS_DEBUG_AUTH);
+
+    /* If there is a function to check for shadow enabled, use it... */
+#ifdef HAVE_ISCOMSEC
+    if (!iscomsec())
+	goto done;
+#endif /* HAVE_ISCOMSEC */
+
+#ifdef HAVE_GETPWNAM_SHADOW
+    {
+	struct passwd *spw;
+
+	/* On OpenBSD we need to closed the non-shadow passwd db first. */
+	endpwent();
+	if ((spw = getpwnam_shadow(pw->pw_name)) != NULL)
+	    epw = spw->pw_passwd;
+	setpassent(1);
+    }
+#endif /* HAVE_GETPWNAM_SHADOW */
+#ifdef HAVE_GETPRPWNAM
+    {
+	struct pr_passwd *spw;
+
+	if ((spw = getprpwnam(pw->pw_name)) && spw->ufld.fd_encrypt) {
+# ifdef __alpha
+	    crypt_type = spw->ufld.fd_oldcrypt;
+# endif /* __alpha */
+	    epw = spw->ufld.fd_encrypt;
+	}
+    }
+#endif /* HAVE_GETPRPWNAM */
+#ifdef HAVE_GETSPNAM
+    {
+	struct spwd *spw;
+
+	if ((spw = getspnam(pw->pw_name)) && spw->sp_pwdp)
+	    epw = spw->sp_pwdp;
+    }
+#endif /* HAVE_GETSPNAM */
+
+#if defined(HAVE_ISCOMSEC)
+done:
+#endif
+    /* If no shadow password, fall back on regular password. */
+    debug_return_str(strdup(epw ? epw : pw->pw_passwd));
+}
+
+void
+sudo_setspent(void)
+{
+    debug_decl(sudo_setspent, SUDOERS_DEBUG_AUTH);
+
+#ifdef HAVE_GETPRPWNAM
+    setprpwent();
+#endif
+#ifdef HAVE_GETSPNAM
+    setspent();
+#endif
+    debug_return;
+}
+
+void
+sudo_endspent(void)
+{
+    debug_decl(sudo_endspent, SUDOERS_DEBUG_AUTH);
+
+#ifdef HAVE_GETPRPWNAM
+    endprpwent();
+#endif
+#ifdef HAVE_GETSPNAM
+    endspent();
+#endif
+    debug_return;
+}