From 9620f76a210d9d8c1aaff25e99d6dc513f87e6e9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 04:23:56 +0200 Subject: Adding upstream version 1.8.27. Signed-off-by: Daniel Baumann --- .../regress/iolog_plugin/check_iolog_plugin.c | 412 +++++++++++++++++++++ 1 file changed, 412 insertions(+) create mode 100644 plugins/sudoers/regress/iolog_plugin/check_iolog_plugin.c (limited to 'plugins/sudoers/regress/iolog_plugin') 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 + * + * 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 + +#include +#include +#include +#ifdef HAVE_STRING_H +# include +#endif /* HAVE_STRING_H */ +#ifdef HAVE_STRINGS_H +# include +#endif /* HAVE_STRINGS_H */ +#include +#include +#include +#include + +#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; +} -- cgit v1.2.3