Adding upstream version 1.9.13p3.upstream/1.9.13p3upstream

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

1 files changed, 432 insertions, 0 deletions

diff --git a/plugins/sudoers/regress/iolog_plugin/check_iolog_plugin.c b/plugins/sudoers/regress/iolog_plugin/check_iolog_plugin.c
new file mode 100644
index 0000000..e4cc141
--- /dev/null
+++ b/plugins/sudoers/regress/iolog_plugin/check_iolog_plugin.c
@@ -0,0 +1,432 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2018-2020 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.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <pwd.h>
+#include <unistd.h>
+
+#define SUDO_ERROR_WRAP 0
+
+#include "sudoers.h"
+#include "sudo_eventlog.h"
+#include "sudo_iolog.h"
+#include "sudo_plugin.h"
+
+#include <def_data.c>		/* for iolog_path.c */
+
+extern struct io_plugin sudoers_io;
+
+struct sudo_user sudo_user;
+struct passwd *list_pw;
+sudo_printf_t sudo_printf;
+sudo_conv_t sudo_conv;
+struct sudo_plugin_event * (*plugin_event_alloc)(void);
+
+sudo_dso_public int main(int argc, char *argv[], char *envp[]);
+
+static void
+usage(void)
+{
+    fprintf(stderr, "usage: %s pathname\n", getprogname());
+    exit(EXIT_FAILURE);
+}
+
+static int
+sudo_printf_int(int msg_type, const char *fmt, ...)
+{
+    va_list ap;
+    int len;
+
+    switch (msg_type) {
+    case SUDO_CONV_INFO_MSG:
+	va_start(ap, fmt);
+	len = vfprintf(stdout, fmt, ap);
+	va_end(ap);
+	break;
+    case SUDO_CONV_ERROR_MSG:
+	va_start(ap, fmt);
+	len = vfprintf(stderr, fmt, ap);
+	va_end(ap);
+	break;
+    default:
+	len = -1;
+	errno = EINVAL;
+	break;
+    }
+
+    return len;
+}
+
+static bool
+validate_iolog_info(const char *log_dir, bool legacy)
+{
+    struct eventlog *evlog;
+    time_t now;
+
+    time(&now);
+
+    /* Parse log file. */
+    if ((evlog = iolog_parse_loginfo(-1, log_dir)) == NULL)
+	return false;
+
+    if (evlog->cwd == NULL || strcmp(evlog->cwd, "/") != 0) {
+	sudo_warnx("bad cwd: want \"/\", got \"%s\"",
+	    evlog->cwd ? evlog->cwd : "NULL");
+	return false;
+    }
+
+    /* No host in the legacy log file. */
+    if (!legacy) {
+	if (evlog->submithost == NULL || strcmp(evlog->submithost, "localhost") != 0) {
+	    sudo_warnx("bad host: want \"localhost\", got \"%s\"",
+		evlog->submithost ? evlog->submithost : "NULL");
+	    return false;
+	}
+    }
+
+    if (evlog->submituser == NULL || strcmp(evlog->submituser, "nobody") != 0) {
+	sudo_warnx("bad user: want \"nobody\" got \"%s\"",
+	    evlog->submituser ? evlog->submituser : "NULL");
+	return false;
+    }
+
+    if (evlog->runuser == NULL || strcmp(evlog->runuser, "root") != 0) {
+	sudo_warnx("bad runuser: want \"root\" got \"%s\"",
+	    evlog->runuser ? evlog->runuser : "NULL");
+	return false;
+    }
+
+    /* No runas group specified, should be NULL. */
+    if (evlog->rungroup != NULL) {
+	sudo_warnx("bad rungroup: want \"\" got \"%s\"", evlog->rungroup);
+	return false;
+    }
+
+    if (evlog->ttyname == NULL || strcmp(evlog->ttyname, "/dev/console") != 0) {
+	sudo_warnx("bad tty: want \"/dev/console\" got \"%s\"",
+	    evlog->ttyname ? evlog->ttyname : "NULL");
+	return false;
+    }
+
+    if (evlog->command == NULL || strcmp(evlog->command, "/usr/bin/id") != 0) {
+	sudo_warnx("bad command: want \"/usr/bin/id\" got \"%s\"",
+	    evlog->command ? evlog->command : "NULL");
+	return false;
+    }
+
+    if (evlog->lines != 24) {
+	sudo_warnx("bad lines: want 24 got %d", evlog->lines);
+	return false;
+    }
+
+    if (evlog->columns != 80) {
+	sudo_warnx("bad columns: want 80 got %d", evlog->columns);
+	return false;
+    }
+
+    if (evlog->submit_time.tv_sec < now - 10 || evlog->submit_time.tv_sec > now + 10) {
+	sudo_warnx("bad submit_time: want %lld got %lld", (long long)now,
+	    (long long)evlog->submit_time.tv_sec);
+	return false;
+    }
+
+    eventlog_free(evlog);
+
+    return true;
+}
+
+static bool
+validate_timing(FILE *fp, int recno, int type, unsigned int p1, unsigned int p2)
+{
+    struct timing_closure timing;
+    char buf[LINE_MAX];
+
+    if (!fgets(buf, sizeof(buf), fp)) {
+	sudo_warn("unable to read timing file");
+	return false;
+    }
+    buf[strcspn(buf, "\n")] = '\0';
+    if (!iolog_parse_timing(buf, &timing)) {
+	sudo_warnx("invalid timing file line: %s", buf);
+	return false;
+    }
+    if (timing.event != type) {
+	sudo_warnx("record %d: want type %d, got type %d", recno, type,
+	    timing.event);
+	return false;
+    }
+    if (type == IO_EVENT_WINSIZE) {
+	if (timing.u.winsize.lines != (int)p1) {
+	    sudo_warnx("record %d: want %u lines, got %u", recno, p1,
+		timing.u.winsize.lines);
+	    return false;
+	}
+	if (timing.u.winsize.cols != (int)p2) {
+	    sudo_warnx("record %d: want %u cols, got %u", recno, p2,
+		timing.u.winsize.cols);
+	    return false;
+	}
+    } else {
+	if (timing.u.nbytes != p1) {
+	    sudo_warnx("record %d: want len %u, got type %zu", recno, p1,
+		timing.u.nbytes);
+	    return false;
+	}
+    }
+    if (timing.delay.tv_sec != 0) {
+	sudo_warnx("record %d: got excessive delay %lld.%09ld", recno,
+	    (long long)timing.delay.tv_sec, timing.delay.tv_nsec);
+	return false;
+    }
+
+    return true;
+}
+
+
+/*
+ * Test sudoers I/O log plugin endpoints.
+ */
+static void
+test_endpoints(int *ntests, int *nerrors, const char *iolog_dir, char *envp[])
+{
+    int rc, cmnd_argc = 1;
+    const char *errstr = NULL;
+    char buf[1024], iolog_path[PATH_MAX];
+    char runas_gid[64], runas_uid[64];
+    FILE *fp;
+    const char *cmnd_argv[] = {
+	"/usr/bin/id",
+	NULL
+    };
+    const char *user_info[] = {
+	"cols=80",
+	"lines=24",
+	"cwd=/",
+	"host=localhost",
+	"tty=/dev/console",
+	"user=nobody",
+	NULL
+    };
+    const char *command_info[] = {
+	"command=/usr/bin/id",
+	iolog_path,
+	"iolog_stdin=true",
+	"iolog_stdout=true",
+	"iolog_stderr=true",
+	"iolog_ttyin=true",
+	"iolog_ttyout=true",
+	"iolog_compress=false",
+	"iolog_mode=0644",
+	runas_gid,
+	runas_uid,
+	NULL
+    };
+    char *settings[] = {
+	NULL
+    };
+    const char output[] = "uid=0(root) gid=0(wheel)\r\n";
+
+    /* Set runas uid/gid to root. */
+    snprintf(runas_uid, sizeof(runas_uid), "runas_uid=%u",
+	(unsigned int)runas_pw->pw_uid);
+    snprintf(runas_gid, sizeof(runas_gid), "runas_gid=%u",
+	(unsigned int)runas_pw->pw_gid);
+
+    /* Set path to the iolog directory the user passed in. */
+    snprintf(iolog_path, sizeof(iolog_path), "iolog_path=%s", iolog_dir);
+
+    /* Test open endpoint. */
+    rc = sudoers_io.open(SUDO_API_VERSION, NULL, sudo_printf_int, settings,
+	(char **)user_info, (char **)command_info, cmnd_argc,
+	(char **)cmnd_argv, envp, NULL, &errstr);
+    (*ntests)++;
+    if (rc != 1) {
+	sudo_warnx("I/O log open endpoint failed");
+	(*nerrors)++;
+	return;
+    }
+
+    /* Test log_ttyout endpoint. */
+    rc = sudoers_io.log_ttyout(output, strlen(output), &errstr);
+    (*ntests)++;
+    if (rc != 1) {
+	sudo_warnx("I/O log_ttyout endpoint failed");
+	(*nerrors)++;
+	return;
+    }
+
+    /* Test change_winsize endpoint (twice). */
+    rc = sudoers_io.change_winsize(32, 128, &errstr);
+    (*ntests)++;
+    if (rc != 1) {
+	sudo_warnx("I/O change_winsize endpoint failed");
+	(*nerrors)++;
+	return;
+    }
+    rc = sudoers_io.change_winsize(24, 80, &errstr);
+    (*ntests)++;
+    if (rc != 1) {
+	sudo_warnx("I/O change_winsize endpoint failed");
+	(*nerrors)++;
+	return;
+    }
+
+    /* Close the plugin. */
+    sudoers_io.close(0, 0);
+
+    /* Validate I/O log info file (json). */
+    (*ntests)++;
+    if (!validate_iolog_info(iolog_dir, false))
+	(*nerrors)++;
+
+    /* Validate I/O log info file (legacy). */
+    snprintf(iolog_path, sizeof(iolog_path), "%s/log.json", iolog_dir);
+    unlink(iolog_path);
+    (*ntests)++;
+    if (!validate_iolog_info(iolog_dir, true))
+	(*nerrors)++;
+
+    /* Validate the timing file. */
+    snprintf(iolog_path, sizeof(iolog_path), "%s/timing", iolog_dir);
+    (*ntests)++;
+    if ((fp = fopen(iolog_path, "r")) == NULL) {
+	sudo_warn("unable to open %s", iolog_path);
+	(*nerrors)++;
+	return;
+    }
+
+    /* Line 1: output of id command. */
+    if (!validate_timing(fp, 1, IO_EVENT_TTYOUT, strlen(output), 0)) {
+	(*nerrors)++;
+	return;
+    }
+
+    /* Line 2: window size change. */
+    if (!validate_timing(fp, 2, IO_EVENT_WINSIZE, 32, 128)) {
+	(*nerrors)++;
+	return;
+    }
+
+    /* Line 3: window size change. */
+    if (!validate_timing(fp, 3, IO_EVENT_WINSIZE, 24, 80)) {
+	(*nerrors)++;
+	return;
+    }
+
+    /* Validate ttyout log file. */
+    snprintf(iolog_path, sizeof(iolog_path), "%s/ttyout", iolog_dir);
+    (*ntests)++;
+    fclose(fp);
+    if ((fp = fopen(iolog_path, "r")) == NULL) {
+	sudo_warn("unable to open %s", iolog_path);
+	(*nerrors)++;
+	return;
+    }
+    if (!fgets(buf, sizeof(buf), fp)) {
+	sudo_warn("unable to read %s", iolog_path);
+	(*nerrors)++;
+	return;
+    }
+    if (strcmp(buf, output) != 0) {
+	sudo_warnx("ttylog mismatch: want \"%s\", got \"%s\"", output, buf);
+	(*nerrors)++;
+	return;
+    }
+}
+
+int
+main(int argc, char *argv[], char *envp[])
+{
+    struct passwd *tpw;
+    int tests = 0, errors = 0;
+    const char *iolog_dir;
+
+    initprogname(argc > 0 ? argv[0] : "check_iolog_plugin");
+
+    if (argc != 2)
+	usage();
+    iolog_dir = argv[1];
+
+    /* Set runas user. */
+    if ((tpw = getpwuid(0)) == NULL) {
+	if ((tpw = getpwnam("root")) == NULL)
+	    sudo_fatalx("unable to look up uid 0 or root");
+    }
+    sudo_user._runas_pw = pw_dup(tpw);
+
+    /* Set invoking user. */
+    if ((tpw = getpwuid(geteuid())) == NULL)
+	sudo_fatalx("unable to look up invoking user's uid");
+    sudo_user.pw = pw_dup(tpw);
+
+    /* Set iolog uid/gid to invoking user. */
+    iolog_set_owner(sudo_user.pw->pw_uid, sudo_user.pw->pw_gid);
+
+    test_endpoints(&tests, &errors, iolog_dir, envp);
+
+    if (tests != 0) {
+	printf("check_iolog_plugin: %d test%s run, %d errors, %d%% success rate\n",
+	    tests, tests == 1 ? "" : "s", errors,
+	    (tests - errors) * 100 / tests);
+    }
+
+    exit(errors);
+}
+
+/* Stub functions */
+
+bool
+set_perms(int perm)
+{
+    return true;
+}
+
+bool
+restore_perms(void)
+{
+    return true;
+}
+
+bool
+log_warning(int flags, const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    sudo_vwarn_nodebug(fmt, ap);
+    va_end(ap);
+
+    return true;
+}
+
+bool
+log_warningx(int flags, const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    sudo_vwarnx_nodebug(fmt, ap);
+    va_end(ap);
+
+    return true;
+}