673 lines
21 KiB
Diff
673 lines
21 KiB
Diff
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diff -up /dev/null sudo-1.6.9p12/sesh.c
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--- /dev/null 2008-02-05 17:16:01.642928004 +0100
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+++ sudo-1.6.9p12/sesh.c 2008-02-06 13:06:50.000000000 +0100
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@@ -0,0 +1,46 @@
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+#include <stdio.h>
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+#include <unistd.h>
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+#include <limits.h>
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+#include <sys/types.h>
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+#include <sys/wait.h>
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+#include <errno.h>
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+
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+main (int argc, char **argv) {
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+ char buf[PATH_MAX];
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+ pid_t pid;
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+ if ( argc < 2 ) {
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+ fprintf(stderr,"%s: Requires at least one argument\n", argv[0]);
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+ exit(-1);
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+ }
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+
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+ if ((pid = fork()) < 0) {
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+ snprintf(buf, sizeof(buf), "%s: Couldn't fork",argv[0]);
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+ perror(buf);
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+ exit(-1);
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+ } else if (pid > 0) {
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+ /* Parent */
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+ int status;
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+ int ret;
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+
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+ do {
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+ if ((ret = waitpid(pid, &status, 0)) < 0 && errno == EINTR)
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+ continue;
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+ else if (ret < 0) {
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+ perror("waitpid failed");
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+ exit(1);
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+ }
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+ } while (0);
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+
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+ if (WIFEXITED(status))
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+ exit(WEXITSTATUS(status));
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+ else
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+ exit(1);
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+ } else {
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+ /* Child */
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+ execv(argv[1], &argv[1]);
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+
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+ snprintf(buf, sizeof(buf), "%s: Error execing %s", argv[0], argv[1]);
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+ perror(buf);
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+ exit(-1);
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+ }
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+}
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diff -up sudo-1.6.9p12/configure.in.selinux sudo-1.6.9p12/configure.in
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--- sudo-1.6.9p12/configure.in.selinux 2008-02-06 12:45:07.000000000 +0100
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+++ sudo-1.6.9p12/configure.in 2008-02-06 13:06:50.000000000 +0100
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@@ -102,7 +102,7 @@ dnl
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dnl Initial values for Makefile variables listed above
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dnl May be overridden by environment variables..
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dnl
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-PROGS="sudo visudo"
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+PROGS="sudo visudo sesh"
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: ${MANTYPE='man'}
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: ${mansrcdir='.'}
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: ${SUDOERS_MODE='0440'}
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diff -up /dev/null sudo-1.6.9p12/selinux.c
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--- /dev/null 2008-02-05 17:16:01.642928004 +0100
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+++ sudo-1.6.9p12/selinux.c 2008-02-06 13:06:50.000000000 +0100
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@@ -0,0 +1,425 @@
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+/*
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+ * Copyright (c) 2008 Dan Walsh <dwalsh@redhat.com>
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+ *
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+ * Borrowed heavily from newrole source code
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+ * Authors:
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+ * Anthony Colatrella
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+ * Tim Fraser
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+ * Steve Grubb <sgrubb@redhat.com>
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+ * Darrel Goeddel <DGoeddel@trustedcs.com>
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+ * Michael Thompson <mcthomps@us.ibm.com>
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+ * Dan Walsh <dwalsh@redhat.com>
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+ *
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+ * Permission to use, copy, modify, and distribute this software for any
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+ * purpose with or without fee is hereby granted, provided that the above
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+ * copyright notice and this permission notice appear in all copies.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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+ *
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+ */
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+#ifdef WITH_SELINUX
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+#include <config.h>
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+#include <sys/types.h>
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+#include <stdio.h>
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+#ifdef STDC_HEADERS
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+# include <stdlib.h>
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+# include <stddef.h>
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+#else
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+# ifdef HAVE_STDLIB_H
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+# include <stdlib.h>
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+# endif
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+#endif /* STDC_HEADERS */
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+#ifdef HAVE_STRING_H
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+# if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
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+# include <memory.h>
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+# endif
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+# include <string.h>
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+#else
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+# ifdef HAVE_STRINGS_H
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+# include <strings.h>
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+# endif
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+#endif /* HAVE_STRING_H */
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+#ifdef HAVE_UNISTD_H
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+# include <unistd.h>
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+#endif /* HAVE_UNISTD_H */
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+#include <errno.h>
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+#include <fcntl.h>
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+#include <signal.h>
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+
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+#ifdef WITH_AUDIT
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+#include <libaudit.h>
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+#endif
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+
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+#include "sudo.h"
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+
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+#include <sys/wait.h>
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+
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+#ifdef USE_AUDIT
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+#include <libaudit.h>
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+#endif
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+
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+#include <selinux/flask.h> /* for SECCLASS_CHR_FILE */
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+#include <selinux/selinux.h> /* for is_selinux_enabled() */
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+#include <selinux/context.h> /* for context-mangling functions */
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+#include <selinux/get_default_type.h>
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+#include <selinux/get_context_list.h>
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+
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+/**
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+ * This function attempts to revert the relabeling done to the tty.
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+ * fd - referencing the opened ttyn
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+ * ttyn - name of tty to restore
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+ * tty_context - original context of the tty
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+ * new_tty_context - context tty was relabeled to
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+ *
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+ * Returns zero on success, non-zero otherwise
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+ */
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+static int restore_tty_label(int fd, const char *ttyn,
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+ security_context_t tty_context,
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+ security_context_t new_tty_context)
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+{
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+ int rc = 0;
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+ security_context_t chk_tty_context = NULL;
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+
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+ if (!ttyn)
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+ goto skip_relabel;
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+
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+ if (!new_tty_context)
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+ goto skip_relabel;
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+
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+ /* Verify that the tty still has the context set by newrole. */
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+ if ((rc = fgetfilecon(fd, &chk_tty_context)) < 0) {
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+ fprintf(stderr, "Could not fgetfilecon %s.\n", ttyn);
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+ goto skip_relabel;
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+ }
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+
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+ if ((rc = strcmp(chk_tty_context, new_tty_context))) {
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+ fprintf(stderr, "%s changed labels.\n", ttyn);
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+ goto skip_relabel;
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+ }
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+
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+ if ((rc = fsetfilecon(fd, tty_context)) < 0)
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+ fprintf(stderr,
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+ "Warning! Could not restore context for %s\n", ttyn);
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+ skip_relabel:
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+ freecon(chk_tty_context);
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+ return rc;
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+}
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+
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+/**
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+ * This function attempts to relabel the tty. If this function fails, then
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+ * the fd is closed, the contexts are free'd and -1 is returned. On success,
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+ * a valid fd is returned and tty_context and new_tty_context are set.
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+ *
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+ * This function will not fail if it can not relabel the tty when selinux is
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+ * in permissive mode.
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+ */
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+static int relabel_tty(const char *ttyn, security_context_t new_context,
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+ security_context_t * tty_context,
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+ security_context_t * new_tty_context)
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+{
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+ int fd;
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+ int enforcing = security_getenforce();
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+ security_context_t tty_con = NULL;
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+ security_context_t new_tty_con = NULL;
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+
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+ if (!ttyn)
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+ return 0;
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+
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+ if (enforcing < 0) {
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+ fprintf(stderr, "Could not determine enforcing mode.\n");
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+ return -1;
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+ }
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+
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+ /* Re-open TTY descriptor */
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+ fd = open(ttyn, O_RDWR | O_NONBLOCK);
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+ if (fd < 0) {
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+ fprintf(stderr, "Error! Could not open %s.\n", ttyn);
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+ return fd;
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+ }
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+ fcntl(fd, F_SETFL, fcntl(fd, F_GETFL, 0) & ~O_NONBLOCK);
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+
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+ if (fgetfilecon(fd, &tty_con) < 0) {
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+ fprintf(stderr, "%s! Could not get current context "
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+ "for %s, not relabeling tty.\n",
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+ enforcing ? "Error" : "Warning", ttyn);
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+ if (enforcing)
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+ goto close_fd;
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+ }
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+
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+ if (tty_con &&
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+ (security_compute_relabel(new_context, tty_con,
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+ SECCLASS_CHR_FILE, &new_tty_con) < 0)) {
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+ fprintf(stderr, "%s! Could not get new context for %s, "
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+ "not relabeling tty.\n",
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+ enforcing ? "Error" : "Warning", ttyn);
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+ if (enforcing)
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+ goto close_fd;
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+ }
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+
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+ if (new_tty_con)
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+ if (fsetfilecon(fd, new_tty_con) < 0) {
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+ fprintf(stderr,
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+ "%s! Could not set new context for %s\n",
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+ enforcing ? "Error" : "Warning", ttyn);
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+ freecon(new_tty_con);
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+ new_tty_con = NULL;
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+ if (enforcing)
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+ goto close_fd;
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+ }
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+
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+ *tty_context = tty_con;
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+ *new_tty_context = new_tty_con;
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+ return fd;
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+
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+ close_fd:
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+ freecon(tty_con);
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+ close(fd);
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+ return -1;
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+}
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+
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+security_context_t get_exec_context(security_context_t old_context, char *role_s, char *type_s) {
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+
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+ /* our target security ID ("sid") */
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+ security_context_t new_context=NULL;
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+
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+ /* manipulatable form of context_s */
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+ context_t context;
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+
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+ if( !role_s ) {
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+ fprintf(stderr,"You must specify a role.\n");
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+ return NULL;
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+ }
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+
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+
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+ /*
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+ * Get the SID and context of the caller, and extract
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+ * the username from the context. Don't rely on the Linux
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+ * uid information - it isn't trustworthy.
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+ */
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+
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+ /*
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+ * Create a context structure so that we extract and modify
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+ * components easily.
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+ */
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+ context=context_new(old_context);
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+
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+ /*
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+ *
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+ * Step 3: Construct a new SID based on our old SID and the
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+ * arguments specified on the command line.
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+ *
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+ */
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+
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+ /* The first step in constructing a new SID for the new shell we *
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+ * plan to exec is to take our old context in `context' as a *
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+ * starting point, and modify it according to the options the user *
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+ * specified on the command line. */
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+
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+ /* If the user specified a new role on the command line (if `role_s' *
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+ * is set), then replace the old role in `context' with this new role. */
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+ if( !type_s ) {
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+ if( get_default_type(role_s,&type_s) )
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+ {
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+ fprintf(stderr,"Couldn't get default type.\n");
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+ goto err;
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+ }
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+ }
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+
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+ if( context_role_set(context,role_s)) {
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+ fprintf(stderr,"failed to set new role %s\n",role_s);
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+ goto err;
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+ }
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+
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+ /* If the user specified a new type on the command line (if `type_s' *
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+ * is set), then replace the old type in `context' with this new type. */
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+ if( type_s ) {
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+ if( context_type_set(context,type_s)) {
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+ fprintf(stderr,"failed to set new type %s\n",type_s);
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+ goto err;
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+ }
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+ } /* if user specified new type */
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+
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+ /* The second step in creating the new SID is to convert our modified *
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+ * `context' structure back to a context string and then to a SID. */
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+
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+ /* Make `context_s' point to a string version of the new `context'. */
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+ if( !(new_context=strdup(context_str(context)))) {
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+ fprintf(stderr,"failed to convert new context to string\n" );
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+ goto err;
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+ }
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+
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+ if (security_check_context(new_context) < 0) {
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+ fprintf(stderr, "%s is not a valid context\n", new_context);
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+ goto err;
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+ }
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+
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+#ifdef DEBUG
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+ printf("Your new context is %s\n",new_context);
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+#endif
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+
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+ context_free(context);
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+ return new_context;
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+
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+ err:
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+ context_free(context);
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+ freecon(new_context);
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+ return NULL;
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+
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+}
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+
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+void selinux_exec(char *role_s, char *type_s, char *safe_cmd, int NewArgc, char **NewArgv, char **environ){
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+ pid_t childPid = 0;
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+ int ttyfd = -1;
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+ /* our original securiy ID ("old_context") */
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+ security_context_t old_context=NULL;
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+
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+ /* security context to change to while running command*/
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+ security_context_t new_tty_context=NULL;
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+ /* current security context of tty */
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+ security_context_t tty_context=NULL;
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+
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+ char *ttyn = NULL; /* tty path */
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+
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+ /* our target security ID ("sid") */
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+ security_context_t new_context=NULL;
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+ /* Put the caller's SID into `old_context'. */
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+ if (getprevcon(&old_context)) {
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+ fprintf(stderr,"failed to get old_context.\n");
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+ exit(-1);
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+ }
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+
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+#ifdef DEBUG
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+ printf( "Your old context was %s\n", old_context );
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+#endif
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+ new_context=get_exec_context(old_context, role_s,type_s);
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+ if (! new_context) {
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+ fprintf(stderr, "Could not set exec context to %s.\n", new_context);
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+ exit(-1);
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+ }
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+
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+ ttyn = ttyname(STDIN_FILENO);
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+ if (!ttyn || *ttyn == '\0') {
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+ fprintf(stderr,
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+ "Warning! Could not retrieve tty information.\n");
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+ }
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+
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+ ttyfd = relabel_tty(ttyn, new_context, &tty_context, &new_tty_context);
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+ if (ttyfd < 0) {
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+ fprintf(stderr, "Could not setup tty context for %s.\n", new_context);
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+ exit(-1);
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+ }
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+
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+#ifdef DEBUG
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+ printf("Your old tty context is %s\n",tty_context);
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+ printf("Your new tty context is %s\n",new_tty_context);
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+#endif
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+
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+
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+ childPid = fork();
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+ if (childPid < 0) {
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+ /* fork failed, no child to worry about */
|
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+ int errsv = errno;
|
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+ fprintf(stderr, "newrole: failure forking: %s",
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+ strerror(errsv));
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+ if (restore_tty_label(ttyfd, ttyn, tty_context, new_tty_context))
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+ fprintf(stderr, "Unable to restore tty label...\n");
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+ if (close(ttyfd))
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+ fprintf(stderr, "Failed to close tty properly\n");
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+ goto err;
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+ } else if (childPid) {
|
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+ /* PARENT
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+ * It doesn't make senes to exit early on errors at this point,
|
||
|
+ * since we are doing cleanup which needs to be done.
|
||
|
+ * We can exit with a bad rc though
|
||
|
+ */
|
||
|
+ pid_t pid;
|
||
|
+ int exit_code = 0;
|
||
|
+ int status;
|
||
|
+
|
||
|
+ do {
|
||
|
+ pid = wait(&status);
|
||
|
+ } while (pid < 0 && errno == EINTR);
|
||
|
+
|
||
|
+ /* Preserve child exit status, unless there is another error. */
|
||
|
+ if (WIFEXITED(status))
|
||
|
+ exit_code = WEXITSTATUS(status);
|
||
|
+
|
||
|
+ if (restore_tty_label(ttyfd, ttyn, tty_context, new_tty_context)) {
|
||
|
+ fprintf(stderr, "Unable to restore tty label...\n");
|
||
|
+ exit_code = -1;
|
||
|
+ }
|
||
|
+ freecon(tty_context);
|
||
|
+ freecon(new_tty_context);
|
||
|
+ if (close(ttyfd)) {
|
||
|
+ fprintf(stderr, "Failed to close tty properly\n");
|
||
|
+ exit_code = -1;
|
||
|
+ }
|
||
|
+ exit(exit_code);
|
||
|
+ }
|
||
|
+ /* CHILD */
|
||
|
+ /* Close the tty and reopen descriptors 0 through 2 */
|
||
|
+ if (ttyn) {
|
||
|
+ if (close(ttyfd) || close(0) || close(1) || close(2)) {
|
||
|
+ fprintf(stderr, "Could not close descriptors.\n");
|
||
|
+ goto err;
|
||
|
+ }
|
||
|
+ ttyfd = open(ttyn, O_RDONLY | O_NONBLOCK);
|
||
|
+ if (ttyfd != 0)
|
||
|
+ goto err;
|
||
|
+ fcntl(ttyfd, F_SETFL, fcntl(ttyfd, F_GETFL, 0) & ~O_NONBLOCK);
|
||
|
+ ttyfd = open(ttyn, O_RDWR | O_NONBLOCK);
|
||
|
+ if (ttyfd != 1)
|
||
|
+ goto err;
|
||
|
+ fcntl(ttyfd, F_SETFL, fcntl(ttyfd, F_GETFL, 0) & ~O_NONBLOCK);
|
||
|
+ ttyfd = open(ttyn, O_RDWR | O_NONBLOCK);
|
||
|
+ if (ttyfd != 2)
|
||
|
+ goto err;
|
||
|
+ fcntl(ttyfd, F_SETFL, fcntl(ttyfd, F_GETFL, 0) & ~O_NONBLOCK);
|
||
|
+ }
|
||
|
+ if (setexeccon(new_context)) {
|
||
|
+ fprintf(stderr, "Could not set exec context to %s.\n",
|
||
|
+ new_context);
|
||
|
+ goto err;
|
||
|
+ }
|
||
|
+
|
||
|
+#ifdef USE_AUDIT
|
||
|
+ if (send_audit_message(1, old_context, new_context, ttyn))
|
||
|
+ goto err;
|
||
|
+#endif
|
||
|
+
|
||
|
+ {
|
||
|
+ /*
|
||
|
+ SELinux will only not transition properly with the following
|
||
|
+ code. Basically if the user chooses to use a different security
|
||
|
+ context. We need to start the selinux shell, before executing
|
||
|
+ the command. This way the process transition will happen
|
||
|
+ correctly. For example if they user wants to run rpm from
|
||
|
+ sysadm_r. Sudo will exec the /usr/sbin/sesh followed by the
|
||
|
+ specified command.*/
|
||
|
+ char **dst, **src = NewArgv+1;
|
||
|
+ NewArgv = (char **) emalloc2((++NewArgc + 1), sizeof(char *));
|
||
|
+ NewArgv[0] = estrdup("/usr/sbin/sesh");
|
||
|
+ NewArgv[1] = safe_cmd;
|
||
|
+ safe_cmd = estrdup("/usr/sbin/sesh");
|
||
|
+ /* copy the args from Argv */
|
||
|
+ for (dst = NewArgv + 2; (*dst = *src) != NULL; ++src, ++dst)
|
||
|
+ ;
|
||
|
+ }
|
||
|
+ freecon(old_context);
|
||
|
+ freecon(new_context);
|
||
|
+
|
||
|
+ execve(safe_cmd, NewArgv, environ); /* run the command */
|
||
|
+
|
||
|
+ perror("failed to exec shell\n");
|
||
|
+ err:
|
||
|
+ freecon(old_context);
|
||
|
+ freecon(new_context);
|
||
|
+ exit(-1);
|
||
|
+}
|
||
|
+#endif /* WITH_SELINUX */
|
||
|
diff -up sudo-1.6.9p12/Makefile.in.selinux sudo-1.6.9p12/Makefile.in
|
||
|
--- sudo-1.6.9p12/Makefile.in.selinux 2008-02-06 12:45:07.000000000 +0100
|
||
|
+++ sudo-1.6.9p12/Makefile.in 2008-02-06 13:08:50.000000000 +0100
|
||
|
@@ -43,7 +43,8 @@ INSTALL = $(SHELL) $(srcdir)/install-sh
|
||
|
# Libraries
|
||
|
LIBS = @LIBS@
|
||
|
NET_LIBS = @NET_LIBS@
|
||
|
-SUDO_LIBS = @SUDO_LIBS@ @AFS_LIBS@ @GETGROUPS_LIB@ $(LIBS) $(NET_LIBS)
|
||
|
+SELINUX_LIBS = -lselinux
|
||
|
+SUDO_LIBS = @SUDO_LIBS@ @AFS_LIBS@ @GETGROUPS_LIB@ $(LIBS) $(NET_LIBS) $(SELINUX_LIBS)
|
||
|
|
||
|
# C preprocessor flags
|
||
|
CPPFLAGS = -I. -I$(srcdir) @CPPFLAGS@
|
||
|
@@ -91,7 +92,7 @@ sudoers_gid = @SUDOERS_GID@
|
||
|
sudoers_mode = @SUDOERS_MODE@
|
||
|
|
||
|
# Pass in paths and uid/gid + OS dependent defined
|
||
|
-DEFS = @OSDEFS@ -D_PATH_SUDOERS=\"$(sudoersdir)/sudoers\" -D_PATH_SUDOERS_TMP=\"$(sudoersdir)/sudoers.tmp\" -DSUDOERS_UID=$(sudoers_uid) -DSUDOERS_GID=$(sudoers_gid) -DSUDOERS_MODE=$(sudoers_mode)
|
||
|
+DEFS = @OSDEFS@ -D_PATH_SUDOERS=\"$(sudoersdir)/sudoers\" -D_PATH_SUDOERS_TMP=\"$(sudoersdir)/sudoers.tmp\" -DSUDOERS_UID=$(sudoers_uid) -DSUDOERS_GID=$(sudoers_gid) -DSUDOERS_MODE=$(sudoers_mode) -DWITH_SELINUX
|
||
|
|
||
|
#### End of system configuration section. ####
|
||
|
|
||
|
@@ -105,7 +106,7 @@ SRCS = alloc.c alloca.c check.c closefro
|
||
|
logging.c memrchr.c mkstemp.c parse.c parse.lex parse.yacc set_perms.c \
|
||
|
sigaction.c snprintf.c strcasecmp.c strerror.c strlcat.c strlcpy.c \
|
||
|
sudo.c sudo_noexec.c sudo.tab.c sudo_edit.c testsudoers.c tgetpass.c \
|
||
|
- utimes.c visudo.c zero_bytes.c $(AUTH_SRCS)
|
||
|
+ utimes.c visudo.c zero_bytes.c $(AUTH_SRCS) selinux.c sesh.c
|
||
|
|
||
|
AUTH_SRCS = auth/afs.c auth/aix_auth.c auth/bsdauth.c auth/dce.c auth/fwtk.c \
|
||
|
auth/kerb4.c auth/kerb5.c auth/pam.c auth/passwd.c auth/rfc1938.c \
|
||
|
@@ -124,11 +125,13 @@ AUDIT_OBJS = audit_help.o
|
||
|
PARSEOBJS = sudo.tab.o lex.yy.o alloc.o defaults.o
|
||
|
|
||
|
SUDOBJS = check.o env.o getspwuid.o gettime.o goodpath.o fileops.o find_path.o \
|
||
|
- interfaces.o logging.o parse.o set_perms.o sudo.o sudo_edit.o \
|
||
|
+ interfaces.o logging.o parse.o set_perms.o sudo.o selinux.o sudo_edit.o \
|
||
|
tgetpass.o zero_bytes.o @SUDO_OBJS@ $(AUTH_OBJS) $(PARSEOBJS) $(AUDIT_OBJS)
|
||
|
|
||
|
VISUDOBJS = visudo.o fileops.o gettime.o goodpath.o find_path.o $(PARSEOBJS)
|
||
|
|
||
|
+SESH_OBJS = sesh.o
|
||
|
+
|
||
|
TESTOBJS = interfaces.o testsudoers.o $(PARSEOBJS)
|
||
|
|
||
|
LIBOBJS = @LIBOBJS@ @ALLOCA@
|
||
|
@@ -149,7 +152,7 @@ DISTFILES = $(SRCS) $(HDRS) BUGS CHANGES
|
||
|
BINFILES= BUGS CHANGES HISTORY LICENSE README TROUBLESHOOTING \
|
||
|
UPGRADE install-sh mkinstalldirs sample.syslog.conf sample.sudoers \
|
||
|
sudo sudo.cat sudo.man sudo.pod sudoers sudoers.cat sudoers.man \
|
||
|
- sudoers.pod visudo visudo.cat visudo.man visudo.pod
|
||
|
+ sudoers.pod visudo visudo.cat visudo.man visudo.pod sesh
|
||
|
|
||
|
BINSPECIAL= INSTALL.binary Makefile.binary libtool
|
||
|
|
||
|
@@ -181,6 +184,9 @@ sudo: $(SUDOBJS) $(LIBOBJS)
|
||
|
visudo: $(VISUDOBJS) $(LIBOBJS)
|
||
|
$(CC) -o $@ $(VISUDOBJS) $(LIBOBJS) $(LDFLAGS) $(LIBS) $(NET_LIBS)
|
||
|
|
||
|
+sesh: $(SESH_OBJS)
|
||
|
+ $(CC) -o $@ $(SESH_OBJS) $(LDFLAGS) $(LIBS)
|
||
|
+
|
||
|
testsudoers: $(TESTOBJS) $(LIBOBJS)
|
||
|
$(CC) -o $@ $(TESTOBJS) $(LIBOBJS) $(LDFLAGS) $(LIBS) $(NET_LIBS)
|
||
|
|
||
|
@@ -222,6 +228,7 @@ logging.o: logging.c $(SUDODEP)
|
||
|
set_perms.o: set_perms.c $(SUDODEP)
|
||
|
tgetpass.o: tgetpass.c $(SUDODEP)
|
||
|
visudo.o: visudo.c $(SUDODEP) version.h
|
||
|
+sesh.o: sesh.c
|
||
|
sudo.o: sudo.c $(SUDODEP) interfaces.h version.h
|
||
|
interfaces.o: interfaces.c $(SUDODEP) interfaces.h
|
||
|
testsudoers.o: testsudoers.c $(SUDODEP) parse.h interfaces.h
|
||
|
@@ -320,6 +327,7 @@ install-binaries: $(PROGS)
|
||
|
ln $(DESTDIR)$(sudodir)/sudo $(DESTDIR)$(sudodir)/sudoedit
|
||
|
|
||
|
$(INSTALL) -O $(install_uid) -G $(install_gid) -M 0111 -s visudo $(DESTDIR)$(visudodir)/visudo
|
||
|
+ $(INSTALL) -O $(install_uid) -G $(install_gid) -M 0111 -s sesh $(DESTDIR)$(visudodir)/sesh
|
||
|
|
||
|
install-noexec: sudo_noexec.la
|
||
|
$(LIBTOOL) --mode=install $(INSTALL) sudo_noexec.la $(DESTDIR)$(noexecdir)
|
||
|
diff -up sudo-1.6.9p12/sudo.c.selinux sudo-1.6.9p12/sudo.c
|
||
|
--- sudo-1.6.9p12/sudo.c.selinux 2008-02-06 12:45:07.000000000 +0100
|
||
|
+++ sudo-1.6.9p12/sudo.c 2008-02-06 13:06:50.000000000 +0100
|
||
|
@@ -101,6 +101,14 @@
|
||
|
#include <libaudit.h>
|
||
|
#endif
|
||
|
|
||
|
+#ifdef WITH_SELINUX
|
||
|
+#include <selinux/selinux.h>
|
||
|
+static char *role_s = NULL; /* role spec'd by user in argv[] */
|
||
|
+static char *type_s = NULL; /* type spec'd by user in argv[] */
|
||
|
+extern void selinux_exec(char *role_s, char *type_s, char *safe_cmnd, int NewArgc, char **NewArgv, char **environ);
|
||
|
+
|
||
|
+#endif
|
||
|
+
|
||
|
#include "sudo.h"
|
||
|
#include "interfaces.h"
|
||
|
#include "version.h"
|
||
|
@@ -487,6 +495,12 @@ main(argc, argv, envp)
|
||
|
if (ISSET(sudo_mode, MODE_BACKGROUND) && fork() > 0)
|
||
|
exit(0);
|
||
|
else {
|
||
|
+#ifdef WITH_SELINUX
|
||
|
+ if( is_selinux_enabled() >0 && role_s) {
|
||
|
+ selinux_exec(role_s, type_s, safe_cmnd, NewArgc, NewArgv, environ); /* run the command */
|
||
|
+ exit(-1);
|
||
|
+ }
|
||
|
+#endif
|
||
|
execve(safe_cmnd, NewArgv, environ);
|
||
|
}
|
||
|
#else
|
||
|
@@ -817,6 +831,30 @@ parse_args(argc, argv)
|
||
|
NewArgv++;
|
||
|
break;
|
||
|
#endif
|
||
|
+#ifdef WITH_SELINUX
|
||
|
+ case 'r':
|
||
|
+ /* Must have an associated SELinux role. */
|
||
|
+ if (NewArgv[1] == NULL)
|
||
|
+ usage(1);
|
||
|
+
|
||
|
+ role_s = NewArgv[1];
|
||
|
+
|
||
|
+ /* Shift Argv over and adjust Argc. */
|
||
|
+ NewArgc--;
|
||
|
+ NewArgv++;
|
||
|
+ break;
|
||
|
+ case 't':
|
||
|
+ /* Must have an associated SELinux type. */
|
||
|
+ if (NewArgv[1] == NULL)
|
||
|
+ usage(1);
|
||
|
+
|
||
|
+ type_s = NewArgv[1];
|
||
|
+
|
||
|
+ /* Shift Argv over and adjust Argc. */
|
||
|
+ NewArgc--;
|
||
|
+ NewArgv++;
|
||
|
+ break;
|
||
|
+#endif
|
||
|
#ifdef HAVE_LOGIN_CAP_H
|
||
|
case 'c':
|
||
|
/* Must have an associated login class. */
|
||
|
@@ -1318,6 +1356,9 @@ usage(exit_val)
|
||
|
#ifdef HAVE_BSD_AUTH_H
|
||
|
" [-a auth_type]",
|
||
|
#endif
|
||
|
+#ifdef WITH_SELINUX
|
||
|
+ " [-r role] [-t type] ",
|
||
|
+#endif
|
||
|
#ifdef HAVE_LOGIN_CAP_H
|
||
|
" [-c class|-]",
|
||
|
#endif
|
||
|
diff -up sudo-1.6.9p12/sudo.man.in.selinux sudo-1.6.9p12/sudo.man.in
|
||
|
--- sudo-1.6.9p12/sudo.man.in.selinux 2008-01-14 13:22:57.000000000 +0100
|
||
|
+++ sudo-1.6.9p12/sudo.man.in 2008-02-06 13:06:50.000000000 +0100
|
||
|
@@ -159,6 +159,7 @@ sudo, sudoedit \- execute a command as a
|
||
|
.PP
|
||
|
\&\fBsudo\fR [\fB\-bEHPS\fR] [\fB\-a\fR\ \fIauth_type\fR]
|
||
|
[\fB\-c\fR\ \fIclass\fR|\fI\-\fR] [\fB\-p\fR\ \fIprompt\fR] [\fB\-u\fR\ \fIusername\fR|\fI#uid\fR]
|
||
|
+[\fB\-r\fR \fIrole\fR ] [\fB\-t\fR \fItype\fR ]
|
||
|
[\fB\s-1VAR\s0\fR=\fIvalue\fR] {\fB\-i\fR\ |\ \fB\-s\fR\ |\ \fIcommand\fR}
|
||
|
.PP
|
||
|
\&\fBsudoedit\fR [\fB\-S\fR] [\fB\-a\fR\ \fIauth_type\fR] [\fB\-c\fR\ \fIclass\fR|\fI\-\fR]
|
||
|
@@ -323,6 +324,16 @@ preserve the invoking user's group vecto
|
||
|
\&\fBsudo\fR will initialize the group vector to the list of groups the
|
||
|
target user is in. The real and effective group IDs, however, are
|
||
|
still set to match the target user.
|
||
|
+.IP "\-r" 4
|
||
|
+.IX Item "-r"
|
||
|
+The \fB\-r\fR (\fRrole\fR) option causes the new (SELinux) security context to have the role specified by
|
||
|
+\fIROLE\fR.
|
||
|
+.IP "\-t" 4
|
||
|
+.IX Item "-t"
|
||
|
+The \fB\-t\fR (\fRtype\fR) option causes the new (SELinux) security context to have the have the type (domain)
|
||
|
+specified by
|
||
|
+\fITYPE\fR.
|
||
|
+If no type is specified, the default type is derived from the specified role.
|
||
|
.IP "\-p" 4
|
||
|
.IX Item "-p"
|
||
|
The \fB\-p\fR (\fIprompt\fR) option allows you to override the default
|