Adding upstream version 1.8.27.upstream/1.8.27upstream

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

1 files changed, 412 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..456ed3c
--- /dev/null
+++ b/plugins/sudoers/regress/iolog_plugin/check_iolog_plugin.c
@@ -0,0 +1,412 @@
+/*
+ * Copyright (c) 2018 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 <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif /* HAVE_STRINGS_H */
+#include <errno.h>
+#include <pwd.h>
+#include <time.h>
+#include <unistd.h>
+
+#define SUDO_ERROR_WRAP 0
+
+#include "sudoers.h"
+#include "def_data.c"		/* for iolog_path.c */
+#include "sudo_plugin.h"
+#include "iolog.h"
+
+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;
+
+__dso_public int main(int argc, char *argv[], char *envp[]);
+
+static void
+usage(void)
+{
+    fprintf(stderr, "usage: %s pathname\n", getprogname());
+    exit(1);
+}
+
+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;
+}
+
+bool
+validate_iolog_info(const char *logfile)
+{
+    time_t now;
+    struct log_info *info;
+
+    time(&now);
+
+    /* Parse log file. */
+    if ((info = parse_logfile(logfile)) == NULL)
+	return false;
+
+    if (strcmp(info->cwd, "/") != 0) {
+	sudo_warnx("bad cwd: want \"/\", got \"%s\"", info->cwd);
+	return false;
+    }
+
+    if (strcmp(info->user, "nobody") != 0) {
+	sudo_warnx("bad user: want \"nobody\" got \"%s\"", info->user);
+	return false;
+    }
+
+    if (strcmp(info->runas_user, "root") != 0) {
+	sudo_warnx("bad runas_user: want \"root\" got \"%s\"", info->runas_user);
+	return false;
+    }
+
+    if (info->runas_group != NULL) {
+	sudo_warnx("bad runas_group: want \"\" got \"%s\"", info->runas_user);
+	return false;
+    }
+
+    if (strcmp(info->tty, "/dev/console") != 0) {
+	sudo_warnx("bad tty: want \"/dev/console\" got \"%s\"", info->tty);
+	return false;
+    }
+
+    if (strcmp(info->cmd, "/usr/bin/id") != 0) {
+	sudo_warnx("bad command: want \"/usr/bin/id\" got \"%s\"", info->cmd);
+	return false;
+    }
+
+    if (info->rows != 24) {
+	sudo_warnx("bad rows: want 24 got %d", info->rows);
+	return false;
+    }
+
+    if (info->cols != 80) {
+	sudo_warnx("bad cols: want 80 got %d", info->cols);
+	return false;
+    }
+
+    if (info->tstamp < now - 10 || info->tstamp > now + 10) {
+	sudo_warnx("bad tstamp: want %lld got %lld", (long long)now,
+	    (long long)info->tstamp);
+	return false;
+    }
+
+    free_log_info(info);
+
+    return true;
+}
+
+bool
+validate_timing(FILE *fp, int recno, int type, unsigned int p1, unsigned int p2)
+{
+    struct timing_closure timing;
+    char buf[LINE_MAX];
+    struct timespec delay;
+
+    if (!fgets(buf, sizeof(buf), fp)) {
+	sudo_warn("unable to read timing file");
+	return false;
+    }
+    buf[strcspn(buf, "\n")] = '\0';
+    if (!parse_timing(buf, &delay, &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.rows != (int)p1) {
+	    sudo_warnx("record %d: want %u rows, got %u", recno, p1,
+		timing.u.winsize.rows);
+	    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 (delay.tv_sec != 0 || delay.tv_nsec > 10000000) {
+	sudo_warnx("record %d: got excessive delay %lld.%09ld", recno,
+	    (long long)delay.tv_sec, delay.tv_nsec);
+	return false;
+    }
+
+    return true;
+}
+
+
+/*
+ * Test sudoers I/O log plugin endpoints.
+ */
+void
+test_endpoints(int *ntests, int *nerrors, const char *iolog_dir, char *envp[])
+{
+    int rc, cmnd_argc = 1;
+    char buf[1024], iolog_path[PATH_MAX];
+    char runas_gid[64], runas_uid[64];
+    FILE *fp;
+    char *cmnd_argv[] = {
+	"/usr/bin/id",
+	NULL
+    };
+    char *user_info[] = {
+	"cols=80",
+	"lines=24",
+	"cwd=/",
+	"tty=/dev/console",
+	"user=nobody",
+	NULL
+    };
+    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,
+	user_info, command_info, cmnd_argc, cmnd_argv, envp, NULL);
+    (*ntests)++;
+    if (rc != 1) {
+	sudo_warnx("I/O log open endpoint failed");
+	(*nerrors)++;
+	return;
+    }
+
+    /* Validate I/O log info file. */
+    (*ntests)++;
+    snprintf(iolog_path, sizeof(iolog_path), "%s/log", iolog_dir);
+    if (!validate_iolog_info(iolog_path))
+	(*nerrors)++;
+
+    /* Test log_ttyout endpoint. */
+    rc = sudoers_io.log_ttyout(output, strlen(output));
+    (*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);
+    (*ntests)++;
+    if (rc != 1) {
+	sudo_warnx("I/O change_winsize endpoint failed");
+	(*nerrors)++;
+	return;
+    }
+    rc = sudoers_io.change_winsize(24, 80);
+    (*ntests)++;
+    if (rc != 1) {
+	sudo_warnx("I/O change_winsize endpoint failed");
+	(*nerrors)++;
+	return;
+    }
+
+    /* Close the plugin. */
+    sudoers_io.close(0, 0);
+
+    /* 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 pw, rpw, *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];
+
+    /* Bare minimum to link. */
+    memset(&pw, 0, sizeof(pw));
+    memset(&rpw, 0, sizeof(rpw));
+    if ((tpw = getpwuid(0)) == NULL) {
+	if ((tpw = getpwnam("root")) == NULL)
+	    sudo_fatalx("unable to look up uid 0 or root");
+    }
+    rpw.pw_uid = tpw->pw_uid;
+    rpw.pw_gid = tpw->pw_gid;
+    sudo_user.pw = &pw;
+    sudo_user._runas_pw = &rpw;
+
+    /* Set iolog uid/gid to invoking user. */
+    iolog_uid = geteuid();
+    iolog_gid = getegid();
+
+    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;
+}