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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:37:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:37:38 +0000
commitae581a19fbe896a797450b9d9573fb66f2735227 (patch)
tree56c40be8518a29c9351364d13a9676aa83932dc0 /lib/iolog/iolog_legacy.c
parentInitial commit. (diff)
downloadsudo-ae581a19fbe896a797450b9d9573fb66f2735227.tar.xz
sudo-ae581a19fbe896a797450b9d9573fb66f2735227.zip
Adding upstream version 1.9.13p3.upstream/1.9.13p3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/iolog/iolog_legacy.c')
-rw-r--r--lib/iolog/iolog_legacy.c168
1 files changed, 168 insertions, 0 deletions
diff --git a/lib/iolog/iolog_legacy.c b/lib/iolog/iolog_legacy.c
new file mode 100644
index 0000000..5d987ae
--- /dev/null
+++ b/lib/iolog/iolog_legacy.c
@@ -0,0 +1,168 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2009-2020 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.
+ */
+
+/*
+ * 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>
+#ifdef HAVE_STDBOOL_H
+# include <stdbool.h>
+#else
+# include "compat/stdbool.h"
+#endif /* HAVE_STDBOOL_H */
+#include <string.h>
+#include <signal.h>
+#include <limits.h>
+#include <time.h>
+
+#include "sudo_compat.h"
+#include "sudo_debug.h"
+#include "sudo_eventlog.h"
+#include "sudo_fatal.h"
+#include "sudo_gettext.h"
+#include "sudo_iolog.h"
+#include "sudo_util.h"
+
+bool
+iolog_parse_loginfo_legacy(FILE *fp, const char *iolog_dir,
+ struct eventlog *evlog)
+{
+ char *buf = NULL, *cp, *ep;
+ const char *errstr;
+ size_t bufsize = 0, cwdsize = 0, cmdsize = 0;
+ bool ret = false;
+ debug_decl(iolog_parse_loginfo_legacy, SUDO_DEBUG_UTIL);
+
+ /*
+ * Info file has three lines:
+ * 1) a log info line
+ * 2) cwd
+ * 3) command with args
+ */
+ if (getdelim(&buf, &bufsize, '\n', fp) == -1 ||
+ getdelim(&evlog->cwd, &cwdsize, '\n', fp) == -1 ||
+ getdelim(&evlog->command, &cmdsize, '\n', fp) == -1) {
+ sudo_warn(U_("%s: invalid log file"), iolog_dir);
+ goto done;
+ }
+
+ /* Strip the newline from the cwd and command. */
+ evlog->cwd[strcspn(evlog->cwd, "\n")] = '\0';
+ evlog->command[strcspn(evlog->command, "\n")] = '\0';
+
+ /*
+ * Crack the log line (lines and cols not present in old versions).
+ * timestamp:user:runas_user:runas_group:tty:lines:cols
+ * XXX - probably better to use strtok and switch on the state.
+ */
+ buf[strcspn(buf, "\n")] = '\0';
+ cp = buf;
+
+ /* timestamp */
+ if ((ep = strchr(cp, ':')) == NULL) {
+ sudo_warn(U_("%s: time stamp field is missing"), iolog_dir);
+ goto done;
+ }
+ *ep = '\0';
+ evlog->submit_time.tv_sec = sudo_strtonum(cp, 0, TIME_T_MAX, &errstr);
+ if (errstr != NULL) {
+ sudo_warn(U_("%s: time stamp %s: %s"), iolog_dir, cp, errstr);
+ goto done;
+ }
+
+ /* submit user */
+ cp = ep + 1;
+ if ((ep = strchr(cp, ':')) == NULL) {
+ sudo_warn(U_("%s: user field is missing"), iolog_dir);
+ goto done;
+ }
+ if ((evlog->submituser = strndup(cp, (size_t)(ep - cp))) == NULL) {
+ sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
+ goto done;
+ }
+
+ /* runas user */
+ cp = ep + 1;
+ if ((ep = strchr(cp, ':')) == NULL) {
+ sudo_warn(U_("%s: runas user field is missing"), iolog_dir);
+ goto done;
+ }
+ if ((evlog->runuser = strndup(cp, (size_t)(ep - cp))) == NULL) {
+ sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
+ goto done;
+ }
+
+ /* runas group */
+ cp = ep + 1;
+ if ((ep = strchr(cp, ':')) == NULL) {
+ sudo_warn(U_("%s: runas group field is missing"), iolog_dir);
+ goto done;
+ }
+ if (cp != ep) {
+ if ((evlog->rungroup = strndup(cp, (size_t)(ep - cp))) == NULL) {
+ sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
+ goto done;
+ }
+ }
+
+ /* tty, followed by optional lines + cols */
+ cp = ep + 1;
+ if ((ep = strchr(cp, ':')) == NULL) {
+ /* just the tty */
+ if ((evlog->ttyname = strdup(cp)) == NULL) {
+ sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
+ goto done;
+ }
+ } else {
+ /* tty followed by lines + cols */
+ if ((evlog->ttyname = strndup(cp, (size_t)(ep - cp))) == NULL) {
+ sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
+ goto done;
+ }
+ cp = ep + 1;
+ /* need to NULL out separator to use sudo_strtonum() */
+ /* XXX - use sudo_strtonumx */
+ if ((ep = strchr(cp, ':')) != NULL) {
+ *ep = '\0';
+ }
+ evlog->lines = sudo_strtonum(cp, 1, INT_MAX, &errstr);
+ if (errstr != NULL) {
+ sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO,
+ "%s: tty lines %s: %s", iolog_dir, cp, errstr);
+ }
+ if (ep != NULL) {
+ cp = ep + 1;
+ evlog->columns = sudo_strtonum(cp, 1, INT_MAX, &errstr);
+ if (errstr != NULL) {
+ sudo_debug_printf(SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO,
+ "%s: tty cols %s: %s", iolog_dir, cp, errstr);
+ }
+ }
+ }
+
+ ret = true;
+
+done:
+ free(buf);
+ debug_return_bool(ret);
+}