Adding upstream version 1.5.2.upstream/1.5.2upstream

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

1 files changed, 231 insertions, 0 deletions

diff --git a/modules/pam_faillock/main.c b/modules/pam_faillock/main.c
new file mode 100644
index 0000000..f62e1bb
--- /dev/null
+++ b/modules/pam_faillock/main.c
@@ -0,0 +1,231 @@
+/*
+ * Copyright (c) 2010 Tomas Mraz <tmraz@redhat.com>
+ * Copyright (c) 2010 Red Hat, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, and the entire permission notice in its entirety,
+ *    including the disclaimer of warranties.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * ALTERNATIVELY, this product may be distributed under the terms of
+ * the GNU Public License, in which case the provisions of the GPL are
+ * required INSTEAD OF the above restrictions.  (This clause is
+ * necessary due to a potential bad interaction between the GPL and
+ * the restrictions contained in a BSD-style copyright.)
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 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.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include <errno.h>
+#include <pwd.h>
+#include <time.h>
+#include <sys/types.h>
+#include <unistd.h>
+#ifdef HAVE_LIBAUDIT
+#include <libaudit.h>
+
+#define AUDIT_NO_ID     ((unsigned int) -1)
+#endif
+
+#include "faillock.h"
+
+struct options {
+	unsigned int reset;
+	const char *dir;
+	const char *user;
+	const char *progname;
+};
+
+static int
+args_parse(int argc, char **argv, struct options *opts)
+{
+	int i;
+	memset(opts, 0, sizeof(*opts));
+
+	opts->dir = FAILLOCK_DEFAULT_TALLYDIR;
+	opts->progname = argv[0];
+
+	for (i = 1; i < argc; ++i) {
+		if (strcmp(argv[i], "--dir") == 0) {
+			++i;
+			if (i >= argc || strlen(argv[i]) == 0) {
+				fprintf(stderr, "%s: No directory supplied.\n", argv[0]);
+				return -1;
+			}
+			opts->dir = argv[i];
+		}
+		else if (strcmp(argv[i], "--user") == 0) {
+			++i;
+			if (i >= argc || strlen(argv[i]) == 0) {
+				fprintf(stderr, "%s: No user name supplied.\n", argv[0]);
+				return -1;
+			}
+			opts->user = argv[i];
+		}
+		else if (strcmp(argv[i], "--reset") == 0) {
+			opts->reset = 1;
+		}
+		else {
+			fprintf(stderr, "%s: Unknown option: %s\n", argv[0], argv[i]);
+			return -1;
+		}
+	}
+	return 0;
+}
+
+static void
+usage(const char *progname)
+{
+	fprintf(stderr, _("Usage: %s [--dir /path/to/tally-directory] [--user username] [--reset]\n"),
+		progname);
+}
+
+static int
+do_user(struct options *opts, const char *user)
+{
+	int fd;
+	int rv;
+	struct tally_data tallies;
+	struct passwd *pwd;
+
+	pwd = getpwnam(user);
+
+	fd = open_tally(opts->dir, user, pwd != NULL ? pwd->pw_uid : 0, 0);
+
+	if (fd == -1) {
+		if (errno == ENOENT) {
+			return 0;
+		}
+		else {
+			fprintf(stderr, "%s: Error opening the tally file for %s:",
+				opts->progname, user);
+			perror(NULL);
+			return 3;
+		}
+	}
+	if (opts->reset) {
+#ifdef HAVE_LIBAUDIT
+		int audit_fd;
+#endif
+
+		while ((rv=ftruncate(fd, 0)) == -1 && errno == EINTR);
+		if (rv == -1) {
+			fprintf(stderr, "%s: Error clearing the tally file for %s:",
+				opts->progname, user);
+			perror(NULL);
+#ifdef HAVE_LIBAUDIT
+		}
+		if ((audit_fd=audit_open()) >= 0) {
+			audit_log_acct_message(audit_fd, AUDIT_USER_MGMT, NULL,
+				"faillock-reset", user,
+				pwd != NULL ? pwd->pw_uid : AUDIT_NO_ID,
+				NULL, NULL, NULL, rv == 0);
+			close(audit_fd);
+		}
+		if (rv == -1) {
+#endif
+			close(fd);
+			return 4;
+		}
+	}
+	else {
+		unsigned int i;
+
+		memset(&tallies, 0, sizeof(tallies));
+		if (read_tally(fd, &tallies) == -1) {
+			fprintf(stderr, "%s: Error reading the tally file for %s:",
+				opts->progname, user);
+			perror(NULL);
+			close(fd);
+			return 5;
+		}
+
+		printf("%s:\n", user);
+		printf("%-19s %-5s %-48s %-5s\n", "When", "Type", "Source", "Valid");
+
+		for (i = 0; i < tallies.count; i++) {
+			struct tm *tm;
+			char timebuf[80];
+			uint16_t status = tallies.records[i].status;
+			time_t when = tallies.records[i].time;
+
+			tm = localtime(&when);
+			strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm);
+			printf("%-19s %-5s %-52.52s %s\n", timebuf,
+				status & TALLY_STATUS_RHOST ? "RHOST" : (status & TALLY_STATUS_TTY ? "TTY" : "SVC"),
+				tallies.records[i].source, status & TALLY_STATUS_VALID ? "V":"I");
+		}
+		free(tallies.records);
+	}
+	close(fd);
+	return 0;
+}
+
+static int
+do_allusers(struct options *opts)
+{
+	struct dirent **userlist;
+	int rv, i;
+
+	rv = scandir(opts->dir, &userlist, NULL, alphasort);
+	if (rv < 0) {
+		fprintf(stderr, "%s: Error reading tally directory: %m\n", opts->progname);
+		return 2;
+	}
+
+	for (i = 0; i < rv; i++) {
+		if (userlist[i]->d_name[0] == '.') {
+			if ((userlist[i]->d_name[1] == '.' && userlist[i]->d_name[2] == '\0') ||
+			    userlist[i]->d_name[1] == '\0')
+				continue;
+		}
+		do_user(opts, userlist[i]->d_name);
+		free(userlist[i]);
+	}
+	free(userlist);
+
+	return 0;
+}
+
+
+/*-----------------------------------------------------------------------*/
+int
+main (int argc, char *argv[])
+{
+	struct options opts;
+
+	if (args_parse(argc, argv, &opts)) {
+		usage(argv[0]);
+		return 1;
+	}
+
+	if (opts.user == NULL) {
+		return do_allusers(&opts);
+	}
+
+	return do_user(&opts, opts.user);
+}